Side plate mounting machine

Abstract

The invention relates to the technical field of drawer guide rail assembling, in particular to a side plate installing machine which comprises a rack and a conveying belt, a right part assembling station and a right part clamping station are arranged on the rack, and a first installing device, a second installing device and a third installing device are sequentially arranged on the upper portion of the rack forwards. The first mounting device comprises a first driving mechanism, a right part feeding mechanism and a right part limiting mechanism used for limiting a side plate and a right part in a right part assembling station, the right part limiting mechanism comprises a first guide part assembled with the rack, and the top wall of the first guide part is downwards sunken to form a first guide groove to form the right part assembling station; the right part guide block is arranged in the right part limiting mechanism, the right part guide block can be clamped into the right part after entering the first guide part, the right part can be prevented from moving leftwards to deviate from the right part assembly station, the side plate can be prevented from moving rightwards to deviate from the right part assembly station, the alignment effect of the side plate and the right part is improved, and the production efficiency is improved. And the mounting effect of the right part and the side plate is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drawer guide rail assembly, and in particular to a side plate mounting machine. BACKGROUND

[0002] In the production process of the drawer guide rail, various accessories (including connecting code lock parts, rear rubber parts, handle buckles) need to be installed on the side plate with mounting support function. The rear rubber part is usually installed on the right side of the side plate and is used for connecting the tail of the side plate to the upper slide rail. The present application is referred to as the right part. The handle buckle is usually installed on the top of the side plate and is used for connecting the side plate to the upper slide rail. The present application is referred to as the top part. The connecting code lock part is usually installed on the left side of the side plate and is used for fixing the drawer pull front plate. The present application is referred to as the left part.

[0003] In the installation process of the side plate, the screw holes of the side plate and the accessories need to be aligned first, so that the screw can be stably installed in the screw hole, improving the installation quality of the side plate and the accessories. If the alignment is not correct, on the one hand, the screw cannot be screwed, and on the other hand, the screwing effect is not good, and the accessories of the product may loosen or even fall off during movement, which will affect the installation process. Therefore, the alignment process is an important link in the installation process. Since the installation positions of the accessories on the side plate are different, in order to optimize the feeding path, the feeding directions of the accessories need to be located close to the corresponding directions of the installation on the side plate. This results in the overlapping of the screwing mechanism and the feeding direction of the accessories, which is easy to cause interference between the screwing mechanism and the feeding structure of the accessories. Therefore, the existing technology usually adopts a semi-automatic assembly method, that is, the assembly position is adjusted by manual work, and then the screw is locked by manual work using the screwing mechanism, thereby completing the assembly process of the accessories and the side plate.

[0004] For the related technology in the above, the inventor believes that the key to realizing automatic assembly is to limit the side plate in two directions during assembly. Since the side plate and the accessory will move relatively during screw locking, the assembly of the two will be misaligned, which will further cause the product quality to be poor. Therefore, a side plate mounting machine needs to be designed to solve the above problems. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a side plate mounting machine to solve the defects in the background art.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: a side plate mounting machine, comprising a rack, a conveying belt assembled with the rack, a first side plate to-be-mounted station, a second pre-mounted plate to-be-mounted station, a third side plate to-be-mounted station and a fourth side plate to-be-mounted station are sequentially arranged on the top of the conveying belt from back to front, a right part assembling station is arranged on the right side of the first side plate to-be-mounted station, a right part clamping station is arranged below the right part assembling station, a first mounting device, a second mounting device and a third mounting device are sequentially arranged on the top of the rack from front to back, the first mounting device is arranged on the right side of the first side plate to-be-mounted station and the second pre-mounted plate to-be-mounted station, the second mounting device is arranged on the left side of the third side plate to-be-mounted station, the third mounting device is arranged on the left side of the fourth side plate to-be-mounted station, the first mounting device comprises a first driving mechanism for conveying the side plate from the first side plate to-be-mounted station to the right part assembling station, a right part feeding mechanism for conveying the right part from the right part clamping station to the right part assembling station, and a right part limiting mechanism for limiting the side plate and the right part in the right part assembling station, the right part limiting mechanism comprises a first guide part assembled with the rack, and a first guide groove is arranged on the top wall of the first guide part to form the right part assembling station.

[0007] The side wall of the first guide part is provided with a right part guide hole, the right part limiting mechanism further comprises a right part guide block for limiting the right part and a guide block pushing cylinder for driving the right part guide block to move forward and backward, the fixed end of the guide block pushing cylinder is assembled on the rack, the movable end of the guide block pushing cylinder is connected with the right part guide block, the right part guide block extends into the first guide part through the right part guide hole and limits the right part from moving to the left, so that the right part is located in the right part assembling station.

[0008] The side wall of the first guide groove is provided with a position limiting protrusion, the position limiting protrusion is used for limiting the side plate from moving to the right, so that the side plate is located in the right part assembling station.

[0009] The right part to-be-mounted station is further arranged on the right side of the right part assembling station, the right part to-be-mounted station is located above the right part clamping station, the right part feeding mechanism comprises a first clamping part for conveying the right part from the right part clamping station to the right part to-be-mounted station, a right part rotating cylinder for driving the first clamping part to rotate, a first pushing part for conveying the right part from the right part to-be-mounted station to the right part assembling station, and a right part left pushing cylinder for driving the first pushing part to move to the left, a first clamping groove is arranged on the top wall of the first clamping part to form the right part clamping station and the right part to-be-mounted station, the fixed end of the right part rotating cylinder is assembled on the rack, the movable end of the right part rotating cylinder is connected with the first clamping part, the fixed end of the right part left pushing cylinder is assembled on the rack, and the movable end of the right part left pushing cylinder is connected with the first pushing part.

[0010] The first mounting device further comprises a first screw assembly mechanism arranged on the rack, the first screw assembly mechanism is used for assembling the lower screw, the rack is further provided with a second screw to-be-assembled station located below the right piece assembly station, and a first screw to-be-assembled station located at the rear side of the second screw to-be-assembled station, the first screw assembly mechanism comprises a screw vibration disc assembled with the rack, a screw feeding channel connected with the screw vibration disc, a screw front pushing piece used for conveying the lower screw from the first screw to-be-assembled station to the second screw to-be-assembled station, and a screw front pushing cylinder used for driving the screw front pushing piece to move back and forth, the screw front pushing cylinder is assembled on the rack, the movable end of the screw front pushing cylinder is connected with the screw front pushing piece, and the first screw to-be-assembled station is arranged on the screw feeding channel.

[0011] The bottom wall of the first guide piece is provided with a screw guide hole, and the first screw assembly mechanism further comprises a screw feeding piece assembled with the rack, a first screwing piece in sliding connection with the screw feeding piece, a first screw pushing piece connected with the first screwing piece, and a screw upward pushing cylinder used for driving the first screw pushing piece to move upward.

[0012] The rear side wall of the screw feeding piece is recessed inward to form a screw assembly groove, and the screw assembly groove is in communication with the screw feeding channel.

[0013] The bottom of the first mounting device is provided with a base in sliding assembly with the top wall of the rack, the top wall of the base is protruded upward to form a first support, the first support is provided with a first threaded hole, the adjusting screw is in rotating assembly with the first threaded hole, the top wall of the rack is protruded upward to form a second support, and the adjusting screw is in rotating assembly with the second support.

[0014] The rack is provided with a left piece assembly station located at the left side of the third side plate to-be-assembled station, a left piece to-be-assembled station located at the left side of the left piece assembly station, and a left piece feeding station located below and in front of the left piece to-be-assembled station, the second mounting device comprises a third driving mechanism arranged on the rack and used for conveying the side plate from the third side plate to-be-assembled station to the left piece assembly station, a left piece feeding mechanism used for conveying the left piece from the left piece feeding station to the left piece to-be-assembled station, and a left piece adjusting mechanism used for adjusting the moving distance of the left piece from the left piece to-be-assembled station to the left piece assembly station, the left piece adjusting mechanism comprises a second sliding piece in sliding assembly with the rack and used for conveying the left piece from the left piece to-be-assembled station to the left piece assembly station, a first screw in threaded connection with the second sliding piece, and a first motor used for driving the first screw to rotate.

[0015] The frame includes a top part assembly station located to the left of the fourth side plate assembly station and a top part clamping station located to the lower left of the top part assembly station. The third installation device includes a fourth drive mechanism mounted on the frame for conveying the side plate from the fourth side plate assembly station to the top part assembly station, a top part feeding mechanism for conveying the top part from the top part clamping station to the top part assembly station, and a second screw assembly mechanism for installing the third screw on the top part pre-assembly plate. The second screw assembly mechanism is located above the top part assembly station. When the top part feeding mechanism is in the top part assembly station, a clearance space is formed between the top part feeding mechanism and the top part assembly station, and the second screw assembly mechanism is located in the clearance space.

[0016] The beneficial effects of the present invention are as follows: 1. By setting a right part guide block in the right part limiting mechanism, when the right part guide block enters the first guide member, it will be locked into the right part. This can prevent the right part from shifting to the left and deviating from the right part assembly station, and also prevent the side plate from moving to the right and deviating from the right part assembly station, thereby improving the alignment effect between the side plate and the right part, and further improving the installation effect of the right part and the side plate.

[0017] 2. By creating a stop protrusion in the first guide member of the right part limiting mechanism, the side plate is prevented from moving to the right and shifting away from the right part assembly station, thereby improving the assembly alignment effect. Attached Figure Description

[0018] Figure 1 This is a part of a first mounting device in Embodiment 1 of this application. Figure 1 ; Figure 2 This is a part of a first mounting device in Embodiment 1 of this application. Figure 2 ; Figure 3 This is a part of a first mounting device in Embodiment 1 of this application. Figure 3 ; Figure 4 yes Figure 3 A magnified view of a portion of point G in the middle; Figure 5 This is a schematic diagram of the right guide component in Embodiment 1 of this application; Figure 6 This is a part of a first mounting device in Embodiment 1 of this application. Figure 4 ; Figure 7 This is a part of a second mounting device in Embodiment 2 of this application. Figure 1 ; Figure 8 yes Figure 7 A magnified view of a portion of point C in the middle; Figure 9 This is a part of a second mounting device in Embodiment 2 of this application. Figure 2 ; Figure 10 is Figure 9 a partial enlarged view of D in FIG. 1; Figure 11 is a partial structure view of a third mounting device in Embodiment 3 of the present application Figure 1 ; Figure 12 is Figure 11 a partial enlarged view of E in FIG. 1; Figure 13 is a partial structure view of a third mounting device in Embodiment 3 of the present application Figure 2 ; Figure 14 is a partial structure view of a third mounting device in Embodiment 3 of the present application Figure 3 ; Figure 15 is Figure 14 a partial enlarged view of F in FIG. 1; Figure 16 is a partial structure view of a third mounting device in Embodiment 3 of the present application Figure 4 ; Figure 17 is a structure view of a second clamping jaw in Embodiment 3 of the present application Figure 18 is a structure view of a second screw assembly mechanism in Embodiments 1-3 of the present application Figure 19 is an assembly view of a top / right / left positioner and a side position plate in Embodiments 1-3 of the present application Figure 1 ; Figure 20 is an assembly view of a top / right / left positioner and a side position plate in Embodiments 1-3 of the present application Figure 2 ; Figure 21 is a structure view of a side position plate mounting machine in Embodiment 4 of the present application Figure 1 ; Figure 22 is a structure view of a side position plate mounting machine in Embodiment 4 of the present application Figure 2 ; Figure 23 is Figure 21 a partial enlarged view of A in FIG. 1; Figure 24 is Figure 22 a partial enlarged view of B in FIG. 1; Figure 25 is a partial structure view of a side position plate mounting machine in Embodiment 4 of the present application

[0019] Explanation of reference signs: 1, side plate; 1001, side plate opening; 2, right part; 3, lower screw; 4, left part; 5, top part; 61, first upper screw; 62, second upper screw; 63, third upper screw; 10, first driving mechanism; 101, first side plate pushing cylinder; 102, first side plate pushing piece; 103, first preloading plate pushing cylinder; 104, first preloading plate pushing piece; 20, second driving mechanism; 201, second preloading plate pushing cylinder; 202, second preloading plate pushing piece; 203, second assembly plate pushing cylinder; 204, second assembly plate pushing piece; 30, third driving mechanism; 301, third preloading plate pushing cylinder; 302, third preloading plate pushing piece; 303, third side plate pushing cylinder; 304, third side plate pushing piece; 40, fourth driving mechanism; 401, fourth side plate right pushing cylinder; 402, fourth side plate right pushing piece; 403, fourth side plate left pushing cylinder; 404, fourth side plate left pushing piece; 50, second screw assembly mechanism; 501, first sliding rail piece; 502, first sliding piece; 503, second screwing piece; 504, screwing piece rotating cylinder; 505, sliding piece pushing cylinder; 60, right part feeding mechanism; 601, right part vibrating disc; 602, right part feeding channel; 603, first clamping piece; 6031, first clamping groove; 604, right part rotating cylinder; 605, first pushing piece; 606, right part left pushing cylinder; 70, right part limiting mechanism; 701, first guide piece; 7011, right part guide hole; 7012, screw guide hole; 7013, first guide groove; 702, blocking protrusion; 704, right part guide block; 705, guide block pushing cylinder; 80, first screw assembly mechanism; 801, screw vibrating disc; 802, screw feeding channel; 803, screw front pushing cylinder; 804, first screwing piece; 805, screw upward pushing cylinder; 806, screw feeding piece; 807, screw front pushing piece; 808, screw assembly groove; 810, first screw pushing piece; 90, left part feeding mechanism; 901, left part feeding channel; 9011, first channel piece; 9012, second channel piece; 902, first limiting piece; 903, second pushing piece; 904, first left part pushing cylinder; 905, second left part pushing cylinder; 906, left part vibrating disc; 907, left part receiving channel; 908, left part clamping cylinder; 909, left part rotating cylinder; 910, first clamping jaw; 100, left part adjusting mechanism; 1100, second sliding piece; 1200, first screw rod; 1300, second sliding rail piece; 1400, first motor; 110, side plate limiting mechanism; 111, second guide piece; 1111, second guide groove; 112, side plate stop block; 113, stop block pushing piece; 114, stop block pushing cylinder; 120, top part feeding mechanism; 121, first mounting seat; 122, second mounting seat; 123, third sliding rail piece; 124, fourth sliding rail piece; 125, top part horizontal pushing cylinder; 126, top part vertical pushing cylinder; 127, second clamping jaw;1271, Z-shaped section; 1272, clamping section; 1273, avoiding opening; 128, top piece clamping air cylinder; 131, top piece vibration disc; 132, top piece feeding channel; 1321, second limiting piece; 1322, avoiding groove; 141, third guide piece; 1411, third guide groove; 71, conveying belt; 711, transmission rod; 72, side plate clamping piece; 73, second motor; 77, base; 78, fifth sliding rail piece; 79, rack; 81, first support; 82, second support; 83, adjusting disc; 84, driving wheel; 85, driven wheel; 86, belt; 87, adjusting screw; 88, movable frame; 205, first support piece up-pushing air cylinder; 206, first preloading plate support piece. DETAILED DESCRIPTION

[0020] In the description of the present application, if the orientation description such as "upper", "lower", "front", "back", "left", "right" and the like is referred to, the orientation or positional relationship indicated thereby is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. When a certain feature is referred to as being "provided", "fixed", "connected" to another feature, it can be directly provided, fixed or connected to the other feature, or indirectly provided, fixed or connected to the other feature. Figure 5 、 6 、8、14、20、21、22、25

[0021] In the present application, the side plate right piece mounting device is a first mounting device, the first mounting device is used for mounting the side plate 1 and the right piece 2, the side plate left piece mounting device is a second mounting device, the second mounting device is used for mounting the side plate 1 and the left piece 4, and the side plate top piece mounting device is a third mounting device, the third mounting device is used for mounting the side plate 1 and the top piece 5. The right piece 2 and the right piece are the same accessory, the left piece 4 and the left piece are the same accessory, and the top piece 5 and the top piece are the same accessory.

[0022] Example 1: as Figures 1-6As shown in Figures 18-25, a first installation device includes a frame 79. The frame 79 is provided with a first side panel mounting station, a right part assembly station located to the right of the first side panel mounting station, and a right part clamping station located below and to the right of the right part assembly station. The frame 79 is also provided with a first drive mechanism 10 for conveying the side panel 1 from the first side panel mounting station to the right part assembly station, a right part loading mechanism 60 for conveying the right part 2 from the right part clamping station to the right part assembly station, and a mechanism for limiting the side panel in the right part assembly station. The right part limiting mechanism 70 of the side plate 1 and the right part 2 includes a first guide 701 assembled with the frame 79. The top wall of the first guide 701 is recessed with a first guide groove 7013 to form a right part assembly station. By setting the right part limiting mechanism 70, the relative position of the side plate 1 and the right part 2 when they reach the right part assembly station is limited, reducing the positional error during the assembly process of the side plate 1 and the right part 2, improving the assembly accuracy of the side plate 1 and the right part 2, reducing rework costs, and improving the overall assembly efficiency.

[0023] The first guide member 701 has a right guide hole 7011 on its side wall. The right part limiting mechanism 70 also includes a right guide block 704 for limiting the right part 2 and a guide block pushing cylinder 705 for driving the right guide block 704 to move back and forth. The right guide block 704 extends into the first guide member 701 through the right guide hole 7011 and restricts the right part 2 from moving to the left, so that the right part 2 is located in the right part assembly station. By setting the right guide hole 7011 and the right guide block 704, the right part 2 is prevented from moving to the left after being located in the right part assembly station and thus deviating from its position. The assembly position of the right part 2 is limited so that the position of the right part 2 in the right part assembly station meets the assembly requirements.

[0024] It is worth mentioning that, such as Figure 13 As shown, when the right guide block 704 enters the first guide 701, it will be locked into the right position part 2, which can also prevent the side plate 1 from moving to the right and deviating from the right part assembly station, thereby limiting the side plate 1 and further improving the installation effect of the right position part 2 and the side plate 1.

[0025] The fixed end of the guide block pushing cylinder 705 is mounted on the frame 79, and the right guide block 704 is connected to the movable end of the guide block pushing cylinder 705.

[0026] The side wall of the first guide groove 7013 is inwardly protruding and provided with a stop protrusion 702, which is used to limit the movement of the side plate 1 to the right, so that the side plate 1 is located in the right assembly station. The stop protrusion 702 is provided with two groups, and the two groups of stop protrusions 702 are respectively located on the opposite side walls of the guide groove. By providing the stop protrusion 702 in the first guide 701, the position deviation of the side plate 1 after being located in the right assembly station is prevented, and the assembly position of the side plate 1 is limited, so that the position of the side plate 1 in the right assembly station meets the assembly requirements.

[0027] The right part waiting station is located above the right part clamping station. The right part feeding mechanism 60 comprises a first clamping part 603 for conveying the right part 2 from the right part clamping station to the right part waiting station, a right part rotating cylinder 604 for driving the first clamping part 603 to rotate, a first pushing part 605 for conveying the right part 2 from the right part waiting station to the right assembly station, and a right part left pushing cylinder 606 for driving the first pushing part 605 to move to the left. By providing the right part rotating cylinder 604, the first clamping part 603 can drive the right part 2 to rotate from the right part clamping station to the right part waiting station. The right part left pushing cylinder 606 drives the first pushing part 605 to push the right part 2 from the right part waiting station to the right assembly station, so that the right part 2 can be preliminarily assembled with the side plate 1 to form a first right part pre-assembly plate, and the continuity of the right part 2 feeding path is improved.

[0028] The top wall of the first clamping part 603 is downwardly recessed and provided with a first clamping groove 6031 to form the right part clamping station and the right part waiting station. Before the first clamping part 603 rotates, the first clamping groove 6031 forms the right part clamping station. After the first clamping part 603 rotates, the first clamping groove 6031 forms the right part waiting station.

[0029] The fixed end of the right part rotating cylinder 604 is assembled on the rack 79, and the movable end of the right part rotating cylinder 604 is connected with the first clamping part 603. The fixed end of the right part left pushing cylinder 606 is assembled on the rack 79, and the movable end of the right part left pushing cylinder 606 is connected with the first pushing part 605.

[0030] The right part feeding mechanism 60 further comprises a right part vibrating disc 601 assembled with the rack 79 and a right part feeding channel 602 connected with the right part vibrating disc 601. The right part vibrating disc 601 is used for feeding the right part 2. The right part feeding channel 602 is used for conveying the right part 2 from the discharge end of the right part vibrating disc 601 to the right part clamping station. By providing the right part feeding channel 602, the right part 2 can be orderly conveyed to the right part clamping station under the vibration of the right part vibrating disc 601, and the feeding efficiency is improved.

[0031] The first driving mechanism 10 comprises a first side plate pushing member 102 for conveying the side plate 1 from the first side plate waiting station to the right assembly station, a first side plate pushing cylinder 101 for driving the first side plate pushing member 102 to move left and right, a first pre-assembly plate pushing member 104 for conveying the first right pre-assembly plate from the right assembly station to the first side plate waiting station, and a first pre-assembly plate pushing cylinder 103 for driving the first pre-assembly plate pushing member 104 to move left and right. By arranging the first side plate pushing cylinder 101 and the first side plate pushing member 102, the side plate 1 can be pushed from the first side plate waiting station to the right assembly station, so that the side plate 1 is assembled with the right part 2 to form the first right pre-assembly plate. By arranging the first pre-assembly plate pushing cylinder 103 and the first pre-assembly plate pushing member 104, the first right pre-assembly plate can be pushed from the right assembly station back to the first side plate waiting station, thereby improving the continuity of the conveying path.

[0032] The fixed end of the first pre-assembly plate pushing cylinder 103 is assembled on the rack 79, the movable end of the first pre-assembly plate pushing cylinder 103 is connected with the first pre-assembly plate pushing member 104, the fixed end of the first side plate pushing cylinder 101 is assembled on the rack 79, and the movable end of the first side plate pushing cylinder 101 is connected with the first side plate pushing member 102.

[0033] The first right pre-assembly plate is the side plate 1 assembled with the right part 2.

[0034] The right assembly station is used for assembling the side plate 1 with the right part 2 and assembling the first right pre-assembly plate with the lower screw 3.

[0035] The first screw assembly mechanism 80 is arranged on the rack 79 and is used for assembling the lower screw 3. The rack 79 further comprises a second screw waiting station located below the right assembly station and a first screw waiting station located at the rear side of the second screw waiting station. The first screw assembly mechanism 80 comprises a screw vibration disc 801 assembled with the rack 79, a screw feeding channel 802 connected with the screw vibration disc 801, a screw pushing member 807 for conveying the lower screw 3 from the first screw waiting station to the second screw waiting station, and a screw pushing cylinder 803 for driving the screw pushing member 807 to move forward. The first screw waiting station is arranged on the screw feeding channel 802. By arranging the screw feeding channel 802, the screws in the screw vibration disc 801 can be orderly conveyed to the first screw waiting station under the vibration of the screw vibration disc 801. The screw pushing cylinder 803 drives the screw pushing member 807 to push the lower screw 3 from the first screw waiting station to the second screw waiting station, realizes the automatic and orderly feeding of the screws, provides a stable material basis for the subsequent assembly process of the lower screw 3, and improves the feeding efficiency of the lower screw 3.

[0036] The screw pushing cylinder 803 is assembled on the frame 79, and the movable end of the screw pushing cylinder 803 is connected with the screw pushing piece 807.

[0037] The bottom wall of the first guide piece 701 is provided with a screw guide hole 7012, and the first screw assembling mechanism 80 further comprises a screw feeding piece 806 assembled with the frame 79, a first screwing piece 804 in sliding connection with the screw feeding piece 806, a first screw pushing piece 810 connected with the first screwing piece 804, a screw upward pushing cylinder 805 for driving the first screw pushing piece 810 to move upward, and a screw assembling groove 808 recessed inward in the rear side wall of the screw feeding piece 806 and in communication with the screw feeding channel 802. After the lower screw 3 is pushed into the screw assembling groove 808 by the screw pushing piece 807, the lower screw 3 is located at the second screw waiting assembling station and is limited by the first screwing piece 804. At this time, the screw upward pushing cylinder 805 drives the first screw pushing piece 810 to move upward in the screw feeding piece 806 and pass through the screw guide hole 7012 into the first guide piece 701, so that the lower screw 3 moves from the second screw waiting assembling station to the right screw assembling station, and the lower screw 3 is assembled in the screw hole in the bottom wall of the first right piece pre-assembling plate, thereby improving the structural stability of the first right piece pre-assembling plate.

[0038] The first screwing piece 804 is an electric screwdriver head in the prior art, which can screw the lower screw 3.

[0039] The fixed end of the screw upward pushing cylinder 805 is assembled on the frame 79, and the movable end of the screw upward pushing cylinder 805 is connected with the first screw pushing piece 810.

[0040] The second driving mechanism 20 is arranged on the frame 79, the frame 79 is provided with a second pre-assembling plate waiting assembling station in front of the first side plate waiting assembling station and a first screw assembling station on the right side of the second pre-assembling plate waiting assembling station, the second driving mechanism 20 comprises a second pre-assembling plate pushing piece 202 for conveying the second right piece pre-assembling plate from the second pre-assembling plate waiting assembling station to the first screw assembling station, a second pre-assembling plate pushing cylinder 201 for driving the second pre-assembling plate pushing piece 202 to move leftward and rightward, a second assembling plate pushing piece 204 for conveying the right piece assembling plate from the first screw assembling station to the second pre-assembling plate waiting assembling station, and a second assembling plate pushing cylinder 203 for driving the second assembling plate pushing piece 204 to move leftward and rightward. The second pre-assembling plate pushing cylinder 201 and the second pre-assembling plate pushing piece 202 can push the second right piece pre-assembling plate from the second pre-assembling plate waiting assembling station to the first screw assembling station for assembling the first upper screw 61. After the first upper screw 61 is assembled, the second assembling plate pushing piece 204 and the second assembling plate pushing cylinder 203 can push the right piece assembling plate from the first screw assembling station back to the second pre-assembling plate waiting assembling station, thereby improving the continuity of the installation process.

[0041] The first screw assembly station is used for assembling the second right part pre-assembly plate and the first upper screw 61.

[0042] The fixed end of the second pre-assembly plate pushing cylinder 201 is assembled on the rack 79, the movable end of the second pre-assembly plate pushing cylinder 201 is connected with the second pre-assembly plate pushing piece 202, the fixed end of the second assembly plate pushing cylinder 203 is assembled on the rack 79, and the movable end of the second assembly plate pushing cylinder 203 is connected with the second assembly plate pushing piece 204.

[0043] The second right part pre-assembly plate is a first right part pre-assembly plate which has assembled the lower screw 3.

[0044] The right part assembly plate is a second right part pre-assembly plate which has assembled the first upper screw 61.

[0045] The second screw assembly mechanism 50 is further arranged above the first screw assembly station, and the second screw assembly mechanism 50 is used for assembling the first upper screw 61 in the top wall of the second right part pre-assembly plate. By arranging the second screw assembly mechanism 50 above the first screw assembly station, the first upper screw 61 can be assembled in the screw hole of the top wall of the second right part pre-assembly plate, and the structural stability of the assembled side plate 1 and right part 2 is improved.

[0046] The second screw assembly mechanism 50 includes a screw rotating cylinder 504, a sliding piece pushing cylinder 505, a first sliding rail piece 501 assembled with the rack 79, a first sliding piece 502 slidingly assembled with the first sliding rail piece 501, a second screw 503 connected with the first sliding piece 502 and used for assembling the first upper screw 61, the screw rotating cylinder 504 is assembled with the first sliding piece 502 and used for driving the second screw 503 to rotate, and the sliding piece pushing cylinder 505 is assembled with the rack 79 and used for driving the first sliding piece 502 to move up and down. By arranging the sliding piece pushing cylinder 505, the first sliding piece 502 connected with the second screw 503 can be driven to move downward, so that the second screw 503 can deliver the first upper screw 61 into the screw hole of the top wall of the second right part pre-assembly plate, and the screw rotating cylinder 504 is arranged to drive the second screw 503 to rotate, thereby assembling the first upper screw 61 in the top wall of the second right part pre-assembly plate, and further firmly connecting the side plate 1 and the right part 2.

[0047] The fixed end of the sliding piece pushing cylinder 505 is assembled with the rack 79, the movable end of the first sliding piece 502 is connected with the sliding piece pushing cylinder 505, the fixed end of the screw rotating cylinder 504 is assembled with the first sliding piece 502, and the movable end of the screw rotating cylinder 504 is connected with the second screw 503.

[0048] The first pre-assembly plate support 206 is arranged below the top piece assembly station, the first support upper pushing cylinder 205 is connected with the first pre-assembly plate support 206, the first support upper pushing cylinder 205 is assembled with the rack 79 and is used for driving the first pre-assembly plate support 206 to move upwards, by arranging the first pre-assembly plate support 206 and the first support upper pushing cylinder 205, the first support upper pushing cylinder 205 can drive the first pre-assembly plate support 206 to move upwards and support the second right piece pre-assembly plate, when the first upper screw 61 is tightened, the second right piece pre-assembly plate is provided with supporting force, so that the first upper screw 61 assembly process can be smoothly carried out, the screw locking deviation or sliding phenomenon caused by the shaking of the second right piece pre-assembly plate is reduced, and the assembly quality of the side plate 1 and the right piece 2 is further improved.

[0049] The fixed end of the first support upper pushing cylinder 205 is assembled on the rack 79, and the first pre-assembly plate support 206 is connected with the movable end of the first support upper pushing cylinder 205.

[0050] The side plate clamping piece 72 for clamping the side plate 1 and the conveying belt 71 assembled on the rack 79 are further included, and the side plate clamping piece 72 is installed on the conveying belt 71.

[0051] The second motor 73 assembled on the rack 79 is further included, and the second motor 73 is used for driving the conveying belt 71 to rotate.

[0052] The implementation principle of a first installation device of the embodiment is as follows: during operation, the operator puts the right part 2 into the right part vibrating disc 601, puts the lower screw 3 into the screw vibrating disc 801, puts the first upper screw 61 into the second screwing part 503, and puts the side plate 1 into the side plate clamping part 72. The second motor 73 drives the conveying belt 71 to rotate. When the side plate 1 moves to the first side plate waiting station, the first side plate pushing cylinder 101 of the first driving mechanism 10 drives the first side plate pushing part 102 to push the side plate 1 to the right, so that the side plate 1 moves from the first side plate waiting station to the right part assembly station. At this time, the blocking protrusion 702 of the sidewall of the first guide groove 7013 limits the movement of the side plate 1 to the right, so that the side plate 1 does not deviate from the right plate assembly station. The right part feeding mechanism 60 drives the right part vibrating disc 601 to convey the right part 2 to the right part feeding channel 602, and then to the right part clamping station in the first clamping part 603. The first rotating cylinder drives the first clamping part 603 to rotate the right part 2 to the right part waiting station. The right part left pushing cylinder 606 drives the first pushing part 605 to push the right part 2 to the right part assembly station. The guide block pushing cylinder 705 drives the right part guide block 704 to extend into the right part 2 through the right part guide hole 7011, so as to limit the movement of the right part 2 to the left and prevent the right part 2 from deviating from the right part assembly station. At the same time, the side plate 1 is prevented from moving to the right and deviating from the right plate assembly station. The screw vibrating disc 801 conveys the lower screw 3 to the first screw waiting station through the screw feeding channel 802. The screw front pushing cylinder 803 drives the screw front pushing part 807 to push the lower screw 3 to the second screw waiting station. The screw upper pushing cylinder 805 drives the first screw pushing part 810 to make the first screwing part 804 move upward in the screw feeding part 806 and extend into the first guide part 701 through the screw guide hole 7012. The first screwing part 804 rotates to assemble the lower screw 3 on the right end bottom wall of the first right part pre-assembly plate. Then, the first pre-assembly plate pushing cylinder 103 drives the first pre-assembly plate pushing part 104 to push the second right part pre-assembly plate from the right part assembly station to the first side plate waiting station. The conveying belt 71 conveys the second right part pre-assembly plate from the first side plate waiting station to the second pre-assembly plate waiting station. The second pre-assembly plate pushing cylinder 201 of the side plate driving mechanism drives the second pre-assembly plate pushing part 202 to push the second right part pre-assembly plate from the second pre-assembly plate waiting station to the first screw assembly station. The slide pushing cylinder 505 of the second screw assembly mechanism 50 drives the first slide part 502 to drive the second screwing part 503 to move downward. At this time, the second side plate upper pushing cylinder drives the first pre-assembly plate supporting part 206 to move upward and support the second right part pre-assembly plate. When the first upper screw 61 is tightened, the second right part pre-assembly plate is provided with supporting force. The screwing part rotating cylinder 504 drives the second screwing part 503 to assemble the first upper screw 61 on the screw hole of the right end top wall of the second right part pre-assembly plate. Finally, the second assembly plate pushing cylinder 203 drives the second assembly plate pushing part 204 to push the right part assembly plate to return to the second pre-assembly plate waiting station, and the installation process of the side plate 1 and the right part 2 is completed.

[0053] Embodiment 2: as Figures 7-10 As shown in FIGS. 1-18 and 25, a second mounting device comprises a rack 79, the rack 79 is provided with a left piece assembly station, a third side plate to be mounted station located on the right side of the left piece assembly station, a left piece to be mounted station located on the left side of the left piece assembly station, and a left piece feeding station located in front of the left piece to be mounted station, the rack 79 is further provided with a third driving mechanism 30 for conveying the side plate 1 from the third side plate to be mounted station to the left piece assembly station, a left piece feeding mechanism 90 for conveying the left piece 4 from the left piece feeding station to the left piece to be mounted station, and a left piece adjusting mechanism 100 for adjusting the moving distance of the left piece 4 from the left piece to be mounted station to the left piece assembly station, the left piece adjusting mechanism 100 comprises a second sliding piece 1100 slidingly assembled with the rack 79 and used for driving the left piece 4 to be conveyed from the left piece to be mounted station to the left piece assembly station, a first screw rod 1200 threadedly connected with the second sliding piece 1100, and a first motor 1400 for driving the first screw rod 1200 to rotate, by driving the first screw rod 1200 to rotate through the first motor 1400, the first screw rod 1200 drives the second sliding piece 1100 to move towards the left piece assembly station after rotating, and the left piece 4 is driven to move towards the left piece assembly station, the distance of the left piece 4 extending into the side plate 1 can be flexibly adjusted to adjust the assembly position to expand the application range, meet the needs of specific assembly position, effectively solve the technical problems that the existing assembly process cannot adapt to the assembly needs of side plates 1 and left pieces 4 of various specifications, and meet the diversified production needs.

[0054] The left piece assembly station is used for the assembly of the side plate 1 and the left piece 4.

[0055] In the embodiment, the side plate 1 refers to the right piece assembly plate in the embodiment 1.

[0056] The first screw rod 1200 is rotationally assembled with the rack 79, and the first screw rod 1200 is connected with the output end of the first motor 1400.

[0057] The left piece adjusting mechanism 100 further comprises a second sliding rail piece 1300, and the bottom wall of the second sliding piece 1100 is slidingly assembled with the second sliding rail piece 1300.

[0058] The first motor 1400 is preferably a servo motor.

[0059] The side plate limiting mechanism 110 further comprises a side plate stopper 112, a stopper pushing piece 113 connected with the side plate stopper 112, and a stopper pushing cylinder 114 connected with the stopper pushing piece 113 and arranged on the rack 79 and used for driving the stopper pushing piece 113 to move back and forth. The outer wall of the side plate 1 is provided with a side plate opening 1001. When the side plate 1 moves to the left and enters the left piece assembly station, the side plate stopper 112 extends into the side plate opening 1001 and is used for preventing the side plate 1 from deviating from the left piece assembly station. The stopper pushing cylinder 114 is used for driving the stopper pushing piece 113 to move forward and backward, so that the side plate stopper 112 extends into the side plate 1 and limits the movement of the side plate 1, preventing the side plate 1 from moving too far and deviating from the assembly position of the left piece 4, thereby improving the assembly positioning accuracy of the side plate 1 and the left piece 4.

[0060] The side plate limiting mechanism 110 further comprises a side plate stopper 112, a stopper pushing piece 113 connected with the side plate stopper 112, and a stopper pushing cylinder 114 connected with the stopper pushing piece 113 and arranged on the rack 79 and used for driving the stopper pushing piece 113 to move back and forth. The outer wall of the side plate 1 is provided with a side plate opening 1001. When the side plate 1 moves to the left and enters the left piece assembly station, the side plate stopper 112 extends into the side plate opening 1001 and is used for preventing the side plate 1 from deviating from the left piece assembly station. The stopper pushing cylinder 114 is used for driving the stopper pushing piece 113 to move forward and backward, so that the side plate stopper 112 extends into the side plate 1 and limits the movement of the side plate 1, preventing the side plate 1 from moving too far and deviating from the assembly position of the left piece 4, thereby improving the assembly positioning accuracy of the side plate 1 and the left piece 4.

[0061] When the side plate stopper 112 moves forward and extends into the side plate opening 1001, the stopper pushing piece 113 abuts against the side wall of the second guide piece 111.

[0062] The fixed end of the stopper pushing cylinder 114 is arranged on the rack 79, and the movable end of the stopper pushing cylinder 114 is connected with the stopper pushing piece 113.

[0063] The rack 79 is further provided with a left piece waiting clamping station below the left piece waiting assembly station, a left piece waiting pushing station below the left piece waiting clamping station, and a left piece feeding station in front of the left piece waiting pushing station. The left piece feeding mechanism 90 includes a first left piece pushing cylinder 904, a second left piece pushing cylinder 905, a left piece feeding channel 901, and a second pushing piece 903 for conveying the left piece 4 from the left piece feeding station to the left piece waiting pushing station. The first left piece pushing cylinder 904 is assembled with the rack 79 and is used to drive the second pushing piece 903 to move forward and backward. The second left piece pushing cylinder 905 is assembled with the rack 79 and is used to drive the left piece feeding channel 901 to move up and down. The left piece feeding channel 901 is located above the second left piece pushing cylinder 905. The left piece feeding station and the left piece waiting pushing station are both arranged on the left piece feeding channel 901. The left piece feeding channel 901, the first left piece pushing cylinder 904, and the second pushing piece 903 are arranged to realize the transfer of the left piece from the left piece feeding station to the left piece waiting pushing station. At this time, the second left piece pushing cylinder 905 is started to transfer the left piece 4 on the left piece feeding channel 901 from the left piece waiting pushing station to the left piece waiting clamping station, realizing the orderly connection and transfer of the left piece 4 in multiple stations, and providing support for the subsequent clamping and assembly process of the left piece 4.

[0064] The fixed end of the first left piece pushing cylinder 904 is assembled with the rack 79, and the movable end of the first left piece pushing cylinder 904 is connected with the second pushing piece 903.

[0065] The fixed end of the second left piece pushing cylinder 905 is assembled with the rack 79, and the left piece feeding channel 901 is located above the movable end of the second left piece pushing cylinder 905.

[0066] The rear end of the left piece feeding channel 901 is provided with a first limiting piece 902 for limiting the left piece 4 on the left piece waiting pushing station. By arranging the first limiting piece 902 at the rear end of the left piece feeding channel 901, the left piece 4 moved to the left piece waiting pushing station can be blocked and limited, so that the left piece 4 stays at the preset left piece waiting pushing station, preventing the left piece 4 from slipping out of the left piece feeding channel 901, and enabling the left piece 4 to be stably transferred to the left piece waiting clamping station by the second left piece pushing cylinder 905.

[0067] The left piece feeding channel 901 comprises a first channel piece 9011 assembled on the rack 79, a second channel piece 9012 located behind the first channel piece 9011, a left piece feeding station located above the first channel piece 9011, a left piece to be pushed station located above the second channel piece 9012, a second left piece pushing cylinder 905 located below the second channel piece 9012, a first limiting piece 902 arranged on the rear end of the second channel piece 9012, and the height of the first channel piece 9011 is greater than or equal to the height of the second channel piece 9012. By dividing the left piece feeding channel 901 into the first channel piece 9011 and the second channel piece 9012, and locating the second left piece pushing cylinder 905 below the second channel piece 9012, compared with the overall design of the left piece feeding channel 901, on the one hand, the first channel piece 9011 that is not pushed up can continue to receive materials, making the feeding process more coherent, and on the other hand, the second left piece pushing cylinder 905 only pushes the left piece 4 on the second channel piece 9012 and clamps the single left piece 4 in the single feeding and pushing process, without pushing multiple left pieces 4 on the entire left piece feeding channel 901 at one time, which can reduce the required pushing force of the second left piece pushing cylinder 905, prolong its service life, and improve the feeding efficiency.

[0068] The left piece feeding mechanism 90 further comprises a left piece vibration disc 906 assembled with the rack 79 and a left piece receiving channel 907 connected with the left piece vibration disc 906. The left piece receiving channel 907 is connected with the first channel piece 9011 and is inclined downward from the left piece vibration disc 906 to the first channel piece 9011. By arranging the left piece vibration disc 906 and the inclined left piece receiving channel 907, the left piece 4 can slide into the first channel piece 9011 and enter the left piece feeding station under the vibration of the left piece vibration disc 906, realizing a coherent left piece 4 feeding process.

[0069] The left piece feeding mechanism 90 further comprises a left piece clamping cylinder 908, a left piece rotating cylinder 909, a first clamping jaw 910 for clamping the left piece 4, the left piece clamping cylinder 908 is connected to the left piece rotating cylinder 909 and is used to drive the first clamping jaw 910 to clamp the left piece 4, the left piece rotating cylinder 909 is assembled with the second sliding part 1100 and is used to drive the left piece clamping cylinder 908 to rotate, when the first clamping jaw 910 clamps the left piece 4, the first clamping jaw 910 abuts against the inner side wall of the left piece 4, the left piece clamping cylinder 908 is arranged to drive the first clamping jaw 910 to stably clamp the left piece, so as to avoid the left piece 4 from falling or deviating during the transfer process, the left piece 4 is driven by the left piece rotating cylinder to move from the left piece clamping station to the left piece mounting station, so as to realize the integrated action of clamping, angle adjustment and position transfer, improve the stability and position accuracy of the left piece 4 during the transfer process, make the subsequent assembly more smooth, further improve the overall feeding and assembly efficiency, meanwhile, the first clamping jaw 910 driven by the movable end of the left piece clamping cylinder 908 can adapt to the clamping requirements of left pieces 4 of different sizes, improve the adaptability, and when clamping, the first clamping jaw 910 abuts against the inner side wall of the left piece 4, so that the clamping stability can be enhanced through the inner side force, improve the clamping effect, and provide a basis for subsequent left piece transfer and assembly.

[0070] The movable end of the left piece clamping cylinder 908 is connected with the first clamping jaw 910, the fixed end of the left piece rotating cylinder 909 is assembled with the second sliding part 1100, and the movable end of the left piece rotating cylinder 909 is connected with the fixed end of the left piece clamping cylinder 908.

[0071] The third driving mechanism 30 comprises a third side plate pushing cylinder 303, a third pre-mounting plate pushing cylinder 301, a third side plate pushing part 304 for conveying the side plate 1 from the third side plate mounting station to the left piece mounting station, and a third pre-mounting plate pushing part 302 for conveying the left piece pre-mounting plate from the left piece mounting station to the third side plate mounting station, the third side plate pushing cylinder 303 is assembled with the rack 79 and is used to drive the third side plate pushing part 304 to move left and right, the third pre-mounting plate pushing cylinder 301 is assembled with the rack 79 and is used to drive the third pre-mounting plate pushing part 302 to move left and right, by arranging the third side plate pushing cylinder 303 and the third side plate pushing part 304, the side plate 1 is driven from the third side plate mounting station on the right side to the left piece mounting station on the left side, by arranging the third pre-mounting plate pushing cylinder 301 and the third pre-mounting plate pushing part 302, the left piece pre-mounting plate is driven from the left piece mounting station to the third side plate mounting station, the continuity of the side plate 1 and the left piece pre-mounting plate during the transfer between the third side plate mounting station and the left piece mounting station is improved, so that the subsequent assembly process is carried out smoothly, and the overall installation production efficiency is improved.

[0072] The fixed end of the third pre-assembly plate pushing cylinder 301 is assembled on the rack 79, the movable end of the third pre-assembly plate pushing cylinder 301 is connected with the third pre-assembly plate pushing piece 302, the fixed end of the third side plate pushing cylinder 303 is assembled on the rack 79, and the movable end of the third side plate pushing cylinder 303 is connected with the third side plate pushing piece 304.

[0073] The rack 79 is further provided with a second screw assembly mechanism 50 for assembling the second upper screw 62 on the top wall of the left piece pre-assembly plate, and is further provided with a second screw assembly station located to the right of the left piece assembly station, and the second screw assembly mechanism 50 is located above the second screw assembly station. By arranging the second screw assembly mechanism 50 above the second screw assembly station, the left end top wall of the left piece pre-assembly plate is assembled with the second upper screw 62, and the structural stability of the assembled side plate 1 and left piece 4 is improved.

[0074] The second screw assembly mechanism 50 includes a screw rotating cylinder 504, a sliding piece pushing cylinder 505, a first sliding rail piece 501 assembled with the rack 79, a first sliding piece 502 slidingly assembled with the first sliding rail piece 501, a second screw 503 connected with the first sliding piece 502 and used for assembling the second upper screw 62, the screw rotating cylinder 504 is assembled with the first sliding piece 502 and used for driving the second screw 503 to rotate, and the sliding piece pushing cylinder 505 is assembled with the rack 79 and used for driving the first sliding piece 502 to move up and down. By arranging the sliding piece pushing cylinder 505, the first sliding piece 502 connected with the second screw 503 can be driven to move downward, so that the second screw 503 can deliver the second upper screw 62 into the screw hole of the top wall of the left piece pre-assembly plate, and the second screw 503 is driven to rotate by the screw rotating cylinder 504 to realize the assembly of the second upper screw 62 on the top wall of the left piece pre-assembly plate, thereby firmly connecting the side plate 1 with the left piece 4.

[0075] The fixed end of the sliding piece pushing cylinder 505 is assembled with the rack 79, the first sliding piece 502 is connected with the movable end of the sliding piece pushing cylinder 505, the fixed end of the screw rotating cylinder 504 is assembled with the first sliding piece 502, and the movable end of the screw rotating cylinder 504 is connected with the second screw 503.

[0076] The left piece pre-assembly plate refers to the side plate 1 assembled with the left piece 4 and without the second upper screw 62 in the embodiment.

[0077] The implementation principle of a second mounting device of the embodiment is as follows: during operation, an operator first puts the left part 4 into the left part vibrating disc 906 and the second upper screw 62 into the second screwing part 503. After the installation of the side plate 1 and the right part 2 is completed in the embodiment 1, the side plate 1 is moved forward from the second pre-assembly plate waiting-to-be-assembled station to the third side plate waiting-to-be-assembled station. After the left part 4 is discharged from the left part vibrating disc 906, it is first slid into the first channel part 9011 through the left part material receiving channel 907 to enter the left part feeding station, and then pushed into the second channel part 9012 by the second pushing part 903 driven by the first left part pushing cylinder 904 to enter the left part waiting-to-be-pushed station. Subsequently, the second left part pushing cylinder 905 drives the second channel part 9012 to transfer the left part 4 to the left part waiting-to-be-clamped station. The left part clamping cylinder 908 drives the first clamping jaw 910 to abut and clamp the left part 4 from the inner wall of the left part 4. The left part clamping cylinder 908 is driven by the left part rotating cylinder 909 to rotate and transfer the left part 4 to the left part waiting-to-be-assembled station. At this time, the third side plate pushing cylinder 303 drives the third side plate pushing part 304 to push the side plate 1 along the second guide groove 1111 to the left part assembly station. The stop block pushing cylinder 114 drives the side plate stop block 112 to move forward to extend into the side plate 1 to limit the movement distance of the side plate 1. The first motor 1400 of the left part adjusting mechanism 100 drives the first screw rod 1200 to rotate, so that the second sliding part 1100 drives the left part 4 to move rightward. The first motor 1400 can adjust the rotation speed of the first screw rod 1200 and thus adjust the assembly position of the left part 4 extending into the side plate 1. After the left part 4 and the side plate 1 are assembled, the third pre-assembly plate pushing cylinder 301 drives the third pre-assembly plate pushing part 302 to convey the left part pre-assembly plate from the left part assembly station to the second screw assembly station. The sliding part pushing cylinder 505 of the second screw assembly mechanism 50 drives the sliding part to move downward, and the screwing part rotating cylinder 504 drives the second screwing part 503 to assemble the second upper screw 62 in the screw hole of the left end top wall of the left part pre-assembly plate. Then, the third pre-assembly plate pushing cylinder 301 drives the third pre-assembly plate pushing part 302 to push the left part assembly plate back to the third side plate waiting-to-be-assembled station, and the installation process of the entire side plate 1 and the left part 4 is completed.

[0078] Embodiment 3: as Figures 11-25As shown, a third mounting device includes a rack 79, the rack 79 is provided with a top piece assembly station, a fourth side plate to be mounted station located on the right side of the top piece assembly station, and a top piece to be clamped station located below and left of the top piece assembly station. The rack 79 is further provided with a fourth driving mechanism 40 for conveying the side plate 1 from the fourth side plate to be mounted station to the top piece assembly station, a top piece feeding mechanism 120 for conveying the top piece 5 from the top piece to be clamped station to the top piece assembly station, and a second screw assembly mechanism 50 for mounting the third upper screw 63 on the top piece pre-assembly plate. The second screw assembly mechanism 50 is located above the top piece assembly station. When the top piece feeding mechanism 120 is located at the top piece assembly station, an avoiding space is formed between the top piece feeding mechanism 120 and the top piece assembly station, and the second screw assembly mechanism 50 is located in the avoiding space. By forming the avoiding space between the top piece feeding mechanism 120 and the top piece assembly station, and locating the second screw assembly mechanism 50 in the avoiding space during operation, the feeding process of the top piece feeding mechanism 120 and the screw mounting process of the second screw assembly mechanism 50 can be simultaneously operated without interference, avoiding equipment jamming, process interruption and part damage, and improving installation efficiency.

[0079] The top piece assembly station is used for assembly of the top piece 5 and the side plate 1, and assembly of the top piece pre-assembly plate and the third upper screw 63.

[0080] In this embodiment, the side plate 1 refers to the left piece assembly plate in the embodiment 2.

[0081] The top piece pre-assembly plate is the side plate 1 with the top piece 5 mounted thereon, and the top piece assembly plate is the top piece pre-assembly plate with the third upper screw 63 mounted thereon.

[0082] The top piece feeding mechanism 120 includes a top piece longitudinal push air cylinder 126, a top piece horizontal push air cylinder 125, a second clamping jaw 127 for clamping the top piece 5, a top piece clamping air cylinder 128 connected with the second clamping jaw 127, a third sliding rail 123 assembled with the rack 79, a first mounting seat 121 slidingly assembled with the third sliding rail 123, a fourth sliding rail 124 assembled with the first mounting seat 121, and a second mounting seat 122 slidingly assembled with the fourth sliding rail 124. The top piece longitudinal push air cylinder 126 is assembled with the rack 79 and used to drive the first mounting seat 121 to move up and down. The top piece horizontal push air cylinder 125 is assembled with the first mounting seat 121 and used to drive the second mounting seat 122 to move left and right. The top piece clamping air cylinder 128 is assembled with the second mounting seat 122 and used to drive the second clamping jaw 127 to clamp the top piece 5. By arranging the top piece clamping air cylinder 128, the second clamping jaw 127 can stably clamp the top piece 5. By arranging the top piece horizontal push air cylinder 125 and the top piece longitudinal push air cylinder 126, horizontal power and longitudinal power can be respectively provided, and the second clamping jaw 127 can be controlled to move from the top piece to be clamped station to the side plate top piece assembly station, thereby reducing the position error of manual clamping and moving and improving the effect of clamping and feeding the top piece 5.

[0083] Wherein, the fixed end of the top piece horizontal push cylinder 125 is assembled with the first mounting seat 121, the movable end of the top piece horizontal push cylinder 125 is connected with the second mounting seat 122, the fixed end of the top piece vertical push cylinder 126 is assembled with the rack 79, the movable end of the top piece vertical push cylinder 126 is connected with the first mounting seat 121, the movable end of the top piece clamping cylinder 128 is connected with the second clamping jaw 127, and the fixed end of the top piece clamping cylinder 128 is assembled with the second mounting seat 122.

[0084] Wherein, the second clamping jaw 127 is provided with two groups, and the second clamping jaw 127 comprises a Z-shaped section 1271 connected with the top piece clamping cylinder 128, the Z-shaped section 1271 is outwardly and downwardly protrudingly arranged from the movable end of the top piece clamping cylinder 128, by arranging the Z-shaped section 1271, a structure of first protruding downwardly and then extending forwardly is formed, when the second clamping jaw 127 clamps the top piece 5 and is in the working position, an avoiding space is formed in front of the top piece clamping cylinder 128, on the one hand, the second screw assembling mechanism 50 does not interfere with the top piece feeding mechanism 120, and the screw assembling operation can be smoothly completed in the avoiding space, on the other hand, compared with the clamping structure directly protruding downwardly, the vertical distance between the second screw assembling mechanism 50 and the top piece assembling station can be smaller due to the existence of the avoiding space, which helps to save the working stroke of the second screw assembling mechanism 50 and improve the practicability of the device.

[0085] Wherein, the second clamping jaw 127 further comprises a clamping section 1272, the clamping section 1272 is protrudingly arranged from the Z-shaped section 1271 to the other group of Z-shaped sections 1271 opposite to the Z-shaped section 1271, by arranging the clamping section 1272, the clamping section 1272 can directly clamp the top piece 5, and the clamping section 1272 bears the gravity of the clamping part, compared with the mode of clamping the top piece 5 by utilizing the lateral friction force through the inner side wall of the Z-shaped section 1271, the clamping effect is more stable, and the problem of the top piece 5 falling off in the clamping process is effectively avoided.

[0086] Wherein, the top wall of the clamping section 1272 is downwardly provided with an avoiding opening 1273 for preventing interference with the work of the second screw assembling mechanism 50, the avoiding openings 1273 of the two groups of clamping sections 1272 are oppositely arranged, by arranging the avoiding opening 1273, after the clamping section 1272 clamps the top piece 5 and moves to the side plate top piece assembling station, the interference between the second screw assembling mechanism 50 and the top wall of the clamping section 1272 when the third upper screw 63 is installed can be avoided, the operation space of the second screw assembling mechanism 50 for installing the third upper screw 63 is improved, and the lock screw process is smoothly carried out.

[0087] The top piece vibration disc 131, the top piece feeding channel 132, and the top piece to be clamped station are arranged on the top piece feeding channel 132. The top piece vibration disc 131 is assembled with the rack 79 and is used for feeding the top piece 5. One end of the top piece feeding channel 132 is connected with the top piece vibration disc 131. The other end of the top piece feeding channel 132 is connected with the top piece to be clamped station. The top piece feeding channel 132 and the top piece vibration disc 131 are arranged, so that the top piece 5 can be stably conveyed from the top piece vibration disc 131 to the top piece to be clamped station. The automatic and orderly feeding of the top piece 5 from the feeding to the to-be-clamped station is realized. The continuity of the installation process of the top piece 5 is improved.

[0088] The two groups of avoidance grooves 1322 are arranged on the left and right sides of one end of the top piece feeding channel 132 close to the top piece to be clamped station. The top piece to be clamped station is located between the two groups of avoidance grooves 1322. The avoidance grooves 1322 are arranged, so as to provide a left-right direction clamping space for the second clamping jaw 127. When the second clamping jaw 127 clamps the top piece 5 close to the top piece to be clamped station, the second clamping jaw 127 can enter the inside of the top piece feeding channel 132 through the avoidance grooves 1322. The opening and closing range of the second clamping jaw 127 is prevented from being reduced due to the limitation of the side wall of the top piece feeding channel 132. The clamping operation range of the clamping part is increased. The stability of clamping is improved. The problems of clamping misplacement and falling caused by the limited clamping range are avoided.

[0089] The second limiting part 1321 is arranged on one end of the top piece feeding channel 132 close to the top piece to be clamped station. The top piece to be clamped station is located on the front side of the second limiting part 1321. The top piece feeding channel 132 and the second limiting part 1321 are arranged, so as to block the top piece 5 conveyed to the end of the channel. The deviation, misplacement or separation of the top piece 5 in the conveying process is avoided. The effect of the second clamping jaw 127 clamping the top piece 5 is better. The deviation of feeding is reduced. The continuity of the overall installation process is improved.

[0090] The second screw assembly mechanism 50 includes a screw rotating cylinder 504, a sliding part pushing cylinder 505, a first sliding rail part 501 assembled with the rack 79, a first sliding part 502 slidingly assembled with the first sliding rail part 501, and a second screw 503 connected with the first sliding part 502 and used for assembling the third upper screw 63. The screw rotating cylinder 504 is assembled with the first sliding part 502 and is used for driving the second screw 503 to rotate. The sliding part pushing cylinder 505 is assembled with the rack 79 and is used for driving the first sliding part 502 to move up and down. The sliding part pushing cylinder 505 can drive the first sliding part 502 to move downwards together with the connected second screw 503. The second screw 503 can convey the third upper screw 63 into the screw hole of the top wall of the top piece pre-assembly plate. The screw rotating cylinder 504 drives the second screw 503 to rotate, so as to assemble the third upper screw 63 of the top wall of the top piece pre-assembly plate. The side plate 1 and the top piece 5 are firmly connected.

[0091] Wherein, the fixed end of the slide pushing cylinder 505 is assembled with the rack 79, the first slide 502 is connected with the movable end of the slide pushing cylinder 505, the fixed end of the twist rotating cylinder 504 is assembled with the first slide 502, and the movable end of the twist rotating cylinder 504 is connected with the second twist 503.

[0092] Wherein, the first pre-assembly plate support 206 is arranged below the top piece assembly station, the first support upper pushing cylinder 205 is connected with the first pre-assembly plate support 206, and the first support upper pushing cylinder 205 is assembled with the rack 79 and used to drive the first pre-assembly plate support 206 to move upward. By arranging the first pre-assembly plate support 206 and the first support upper pushing cylinder 205, the second side plate upper pushing piece can be driven to move upward by the driving force of the second side plate upper pushing cylinder and support the top piece pre-assembly plate, so that the support force is provided for the top piece pre-assembly plate when the third upper screw 63 is tightened, the assembly process of the third upper screw 63 can be smoothly performed, the screw locking deviation phenomenon caused by the shaking of the top piece pre-assembly plate is reduced, and the assembly quality is improved.

[0093] Wherein, the fixed end of the first support upper pushing cylinder 205 is assembled on the rack 79, and the first pre-assembly plate support 206 is connected with the movable end of the first support upper pushing cylinder 205.

[0094] Wherein, the top piece pre-assembly plate refers to the side plate 1 assembled with the top piece 5 and without the third upper screw 63 in the embodiment.

[0095] Wherein, the fourth driving mechanism 40 includes the fourth side plate right pushing piece 402 for conveying the side plate 1 from the fourth side plate to-be-assembled station to the top piece assembly station, the fourth side plate right pushing cylinder 401 for driving the fourth side plate right pushing piece 402, the fourth side plate left pushing piece 404 for conveying the top piece assembly plate from the top piece assembly station to the fourth side plate to-be-assembled station, and the fourth side plate left pushing cylinder 403 for driving the fourth side plate left pushing piece 404. By arranging the fourth side plate right pushing cylinder 401 and the fourth side plate right pushing piece 402, the side plate 1 can be pushed from the fourth side plate to-be-assembled station to the top piece assembly station, so as to prepare for the subsequent assembly with the top piece 5. By arranging the fourth side plate left pushing cylinder 403 and the fourth side plate left pushing piece 404, the top piece assembly plate can be pushed from the top piece assembly station to the fourth side plate to-be-assembled station, so as to form a continuous workpiece conveying path.

[0096] Wherein, the top piece assembly plate is the top piece pre-assembly plate with the third upper screw 63 assembled in the embodiment.

[0097] The third guide 141 assembled with the rack 79 is further included between the fourth side plate to-be-assembled station and the top piece assembly station, a top wall of the third guide 141 is recessed downward to form a third guide groove 1411, the third guide groove 1411 is arranged in the third guide 141, the third guide groove 1411 is used for limiting the side plate 1 in the lateral direction, so that the side plate 1 is prevented from deviating in the left-right direction during sliding, and the assembly positioning precision of the side plate 1 and the top piece 5 is improved.

[0098] The conveyor belt 71 and the second motor 73 are further included and assembled on the rack 79, the side plate clamping piece 72 for clamping the side plate 1 is arranged on the conveyor belt 71, and the second motor 73 is used for driving the conveyor belt 71 to rotate.

[0099] The third installation device of the embodiment is implemented as follows: during operation, the operator puts the top piece 5 into the top piece vibrating disc 131, after the installation of the side plate 1 and the left piece 4 is completed in the embodiment 2, the side plate 1 is moved from the third side plate to-be-assembled station to the fourth side plate to-be-assembled station, the fourth side plate left pushing cylinder 403 of the fourth driving mechanism 40 drives the fourth side plate left pushing piece 404 to push the side plate 1 to slide along the third guide groove 1411 of the third guide 141 from the fourth side plate to-be-assembled station on the right to the top piece assembly station, the top piece 5 is discharged from the top piece vibrating disc 131 and enters the top piece to-be-clamped station through the top piece feeding channel 132, the top piece longitudinal pushing cylinder 126 drives the second mounting seat 122 to move the second clamping jaw 127 downward, so that the clamping section 1272 of the second clamping jaw 127 is aligned with the side wall of the top piece 5, then the movable end of the top piece clamping cylinder 128 drives the second clamping jaw 127 to close and clamp the top piece 5, then the top piece longitudinal pushing cylinder 126 drives the second mounting seat 122 to move the second clamping jaw 127 upward, the top piece horizontal pushing cylinder 125 drives the first mounting seat 121 to move the second clamping jaw 127 leftward to move the top piece 5 to the top piece assembly station, so that the side plate 1 and the top piece 5 are preliminarily positioned to form a top piece pre-assembled plate, then the second screw assembly mechanism 50 starts to work, the fourth side plate upward pushing cylinder drives the fourth side plate upward pushing piece to move upward to support the top piece pre-assembled plate, then the second clamping jaw 127 is unfolded under the action of the top piece clamping cylinder 128 to release the top piece 5, the second clamping jaw 127 is reset under the actions of the top piece horizontal pushing cylinder 125 and the top piece longitudinal pushing cylinder 126, finally the fourth side plate right pushing cylinder 401 drives the fourth side plate right pushing piece 402 to push the top piece assembly plate to slide along the third guide groove 1411 from the side plate top piece assembly station back to the fourth side plate to-be-assembled station, and the installation of the side plate 1 and the top piece 5 is completed.

[0100] In the embodiment 4, the fourth side plate to-be-assembled station is provided with a third guide 141, the third guide 141 is arranged between the fourth side plate to-be-assembled station and the top piece assembly station, a top wall of the third guide 141 is recessed downward to form a third guide groove 1411, the third guide groove 1411 is arranged in the third guide 141, the third guide groove 1411 is used for limiting the side plate 1 in the lateral direction, so that the side plate 1 is prevented from deviating in the left-right direction during sliding, and the assembly positioning precision of the side plate 1 and the top piece 5 is improved. Figures 1-25As shown, a side plate mounting machine comprises a first mounting device in embodiment 1, a second mounting device in embodiment 2, a third mounting device in embodiment 3, and further comprises a rack 79, a conveying belt 71 assembled with the rack 79, and the conveying belt 71 is sequentially provided with a first side plate to-be-mounted station, a second pre-mounted plate to-be-mounted station, a third side plate to-be-mounted station, and a fourth side plate to-be-mounted station from top to bottom and from front to back on the rack 79, and the first mounting device is sequentially provided with the first mounting device, the second mounting device, and the third mounting device from top to bottom and from back to front on the rack 79, the first mounting device is located at the right side of the first side plate to-be-mounted station and the second pre-mounted plate to-be-mounted station, the second mounting device is located at the left side of the third side plate to-be-mounted station, and the third mounting device is located at the left side of the fourth side plate to-be-mounted station.

[0101] Further comprising an adjusting screw 87 and an adjusting disc 83 connected with the adjusting screw 87, the bottom of the first mounting device is provided with a base 77 which is slidingly assembled with the top wall of the rack 79, the top wall of the base 77 is provided with a first support 81 which is protruded upward, the first support 81 is provided with a first threaded hole, the adjusting screw 87 is rotationally assembled with the first threaded hole, the top wall of the rack 79 is provided with a second support 82 which is protruded upward, and the adjusting screw 87 is rotationally assembled with the second support 82, the adjusting screw 87 is rotationally assembled with the first threaded hole, so that the first mounting device can be adjusted in left-right position by rotating the adjusting disc 83, and the device can be adapted to different specifications of the side plate 1, thereby improving the practicability of the device.

[0102] Further comprising a movable frame 88 mounted on the top wall of the base 77, the right part pushing cylinder, the second screw assembly mechanism 50, the screw upward pushing cylinder 805, the right part left pushing cylinder 606, the right part rotating cylinder 604, the first pre-mounted plate pushing cylinder 103, the second assembly plate pushing cylinder 203, and the first support upward pushing cylinder 205 in embodiment 1 are all mounted on the movable frame 88.

[0103] Further comprising a fifth sliding rail 78 which is protruded upward on the top wall of the rack 79, and the bottom wall of the base 77 is slidingly assembled with the fifth sliding rail 78, the fifth sliding rail 78 enables the base 77 to smoothly slide along the left-right direction of the rack 79, thereby reducing the difficulty of adjusting the mounting device of the right part 2 in the left-right position on the rack 79.

[0104] Further comprising a side plate clamping piece 72 provided on the conveying belt 71, and a second motor 73 for driving the conveying belt 71 to rotate, the side plate 1 is mounted in the side plate clamping piece 72, the second motor 73 drives the conveying belt 71 to rotate, so that the side plate 1 can complete the transfer of the station on the conveying belt 71, the side plate clamping piece 72 can stably clamp the side plate, so that the position of the side plate 1 is fixed during the conveying process, avoiding shaking or deviation, realizing smooth and orderly transfer of the side plate 1 on the conveying belt 71, providing stable material supply for the subsequent mounting process, and improving the coherence and automation degree of the overall production process.

[0105] Further comprising the driven wheel 85, the driving wheel 84, the belt 86, the transmission rod 711 arranged in the conveying belt 71, the output shaft of the second motor 73 is rotatably arranged in the driving wheel 84, the transmission rod 711 is rotatably arranged in the driven wheel 85, the belt 86 is sleeved on the driving wheel 84 and the driven wheel 85, the second motor 73 is preferably a servo motor, and the stable power transmission chain is formed by arranging the driving wheel 84, the belt 86 and the driven wheel 85, so that the power of the second motor 73 is transmitted to the transmission rod 711 arranged in the conveying belt 71, the power loss of the conveying belt 71 during transmission is small, the transmission is stable, the slipping phenomenon is avoided, and the service life of the second motor 73 is prolonged.

[0106] As shown in Figure 18 In this embodiment, three groups of the second screw assembling mechanism 50 are provided, the second screw assembling mechanism 50 of embodiment 1 is used for assembling the second right piece pre-assembly plate and the first upper screw 61, the second screw assembling mechanism 50 of embodiment 2 is used for assembling the left piece pre-assembly plate and the second upper screw 62, and the second screw assembling mechanism 50 of embodiment 3 is used for assembling the top piece pre-assembly plate and the third upper screw 63, wherein the second screw assembling mechanism 50 of embodiment 1 is installed on the movable frame 88, and the second screw assembling mechanisms 50 of embodiments 2 and 3 are installed on the rack 79.

[0107] As shown in Figure 15 In this embodiment, two groups of the first support piece up-pushing air cylinder 205 and the first pre-assembly plate support piece 206 are provided and are respectively located below the second screw assembling mechanism 50 in embodiment 1 and embodiment 3, wherein the first support piece up-pushing air cylinder 205 of embodiment 1 is installed on the movable frame 88, and the first support piece up-pushing air cylinder 205 of embodiment 3 is installed on the rack 79.

Claims

1. A side panel installation machine, characterized in that: The system includes a frame and a conveyor belt assembled with the frame. Above the conveyor belt, facing rearward, are sequentially arranged a first side panel assembly station, a second pre-assembly plate assembly station, a third side panel assembly station, and a fourth side panel assembly station. The frame also includes a right-part assembly station located to the right of the first side panel assembly station and a right-part clamping station located below and to the right of the right-part assembly station. Above the frame, facing forward, are sequentially arranged a first mounting device, a second mounting device, and a third mounting device. The first mounting device is located to the right of the first side panel assembly station and the second pre-assembly plate assembly station. The second mounting device is located to the right of the third side panel assembly station. On the left side of the side panel waiting station, the third installation device is located on the left side of the fourth side panel waiting station. The first installation device includes a first driving mechanism for conveying the side panel from the first side panel waiting station to the right part assembly station, a right part feeding mechanism for conveying the right part from the right part clamping station to the right part assembly station, and a right part limiting mechanism for limiting the side panel and the right part in the right part assembly station. The right part limiting mechanism includes a first guide member assembled with the frame. The top wall of the first guide member is recessed downward to form a first guide groove to form the right part assembly station.

2. The side panel mounting machine according to claim 1, characterized in that: The first guide member has a right part guide hole on its side wall. The right part limiting mechanism also includes a right part guide block for limiting the right part and a guide block pushing cylinder for driving the right part guide block to move back and forth. The fixed end of the guide block pushing cylinder is mounted on the frame. The right part guide block is connected to the movable end of the guide block pushing cylinder. The right part guide block extends into the first guide member through the right part guide hole and restricts the right part from moving to the left, so that the right part is located in the right part assembly station.

3. The side panel mounting machine according to claim 1, characterized in that: The sidewall of the first guide groove has an inwardly protruding stop protrusion, which is used to restrict the side plate from moving to the right, so that the side plate is located in the right part assembly station.

4. The side panel mounting machine according to claim 1, characterized in that: The frame is also provided with a right part waiting station located to the right of the right part assembly station. The right part waiting station is located above the right part clamping station. The right part feeding mechanism includes a first clamping member for conveying the right part from the right part clamping station to the right part waiting station, a right part rotary cylinder for driving the first clamping member to rotate, a first pusher for conveying the right part from the right part waiting station to the right part assembly station, and a right part left pusher for driving the first pusher to move to the left. The top wall of the first clamping member is recessed downward to form a first clamping groove to form the right part clamping station and the right part waiting station. The fixed end of the right part rotary cylinder is mounted on the frame, and the movable end of the right part rotary cylinder is connected to the first clamping member. The fixed end of the right part left pusher is mounted on the frame, and the movable end of the right part left pusher is connected to the first pusher.

5. The side panel mounting machine according to claim 1, characterized in that: The first installation device further includes a first screw assembly mechanism disposed on the frame. The first screw assembly mechanism is used to assemble the lower screw. The frame is also provided with a second screw waiting station located below the right part assembly station and a first screw waiting station located behind the second screw waiting station. The first screw assembly mechanism includes a screw vibratory feeder mounted on the frame, a screw feeding channel connected to the screw vibratory feeder, a screw pusher for conveying the lower screw from the first screw waiting station to the second screw waiting station, and a screw pusher cylinder for driving the screw pusher to move back and forth. The screw pusher cylinder is mounted on the frame, and the movable end of the screw pusher cylinder is connected to the screw pusher. The first screw waiting station is disposed on the screw feeding channel.

6. The side panel mounting machine according to claim 5, characterized in that: The bottom wall of the first guide member is provided with a screw guide hole. The first screw assembly mechanism also includes a screw feeding member assembled with the frame, a first screw tightening member slidably connected with the screw feeding member, a first screw pusher connected with the first screw tightening member, and a screw pushing cylinder for driving the first screw pusher to move upward.

7. The side panel mounting machine according to claim 6, characterized in that: The rear side wall of the screw feeding component is recessed inward and has a screw assembly groove, which is connected to the screw feeding channel.

8. The side panel mounting machine according to any one of claims 1-7, characterized in that: It also includes an adjusting screw and an adjusting disc connected to the adjusting screw. The bottom of the first mounting device is provided with a base that is slidably assembled with the top wall of the frame. The top wall of the base is provided with a first bracket protruding upwards. The first bracket has a first threaded hole. The adjusting screw is rotatably assembled with the first threaded hole. The top wall of the frame is provided with a second bracket protruding upwards. The adjusting screw is rotatably assembled with the second bracket.

9. The side panel mounting machine according to claim 1, characterized in that: The frame is provided with a left part assembly station located to the left of the third side plate assembly station, a left part waiting station located to the left of the left part assembly station, and a left part loading station located below and in front of the left part waiting station. The second installation device includes a third drive mechanism disposed on the frame for conveying the side plate from the third side plate assembly station to the left part assembly station, a left part loading mechanism for conveying the left part from the left part loading station to the left part waiting station, and a left part adjustment mechanism for adjusting the moving distance of the left part from the left part waiting station to the left part assembly station. The left part adjustment mechanism includes a second sliding member slidably assembled with the frame and used to drive the left part from the left part waiting station to the left part assembly station, a first screw threadedly connected to the second sliding member, and a first motor for driving the first screw to rotate.

10. The side panel mounting machine according to claim 1, characterized in that: The frame is provided with a top part assembly station located to the left of the fourth side plate assembly station and a top part clamping station located to the lower left of the top part assembly station. The third installation device includes a fourth drive mechanism mounted on the frame for conveying the side plate from the fourth side plate assembly station to the top part assembly station, a top part feeding mechanism for conveying the top part from the top part clamping station to the top part assembly station, and a second screw assembly mechanism for installing a third screw on the top part pre-assembly plate. The second screw assembly mechanism is located above the top part assembly station. When the top part feeding mechanism is in the top part assembly station, a clearance space is formed between the top part feeding mechanism and the top part assembly station, and the second screw assembly mechanism is located in the clearance space.

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