Car trunk spare tire cover hemming machine

Abstract

The present invention discloses a car luggage spare tire cover plate edge wrapping machine, which relates to the technical field of car luggage, and comprises: a control box; an edge wrapping frame, which is fixedly mounted on the top of the control box; a support frame, which is fixedly mounted on the top of the edge wrapping frame; a lifting mechanism, which is fixedly mounted at the middle position of the support frame; a clamping and positioning assembly, which is fixedly mounted on the bottom of the lifting mechanism; and an XY axis displacement platform, which is fixedly mounted on the top of the edge wrapping frame. The present invention realizes automatic glue spraying operation, improves automation performance, and realizes the performance of simultaneous edge wrapping of the spare tire cover plate body of the luggage box. The operation procedure is simple, and the effect of hot pressing edge wrapping in a high temperature environment is also realized, so as to avoid the problem that the glue solidifies before the edge wrapping and reduces the bonding effect, so that the edge wrapping bonding is more firm, and the phenomenon of automatic edge popping is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of automobile luggage boxes, and in particular to an edge wrapping machine for a spare tire cover plate of an automobile luggage box. Background Art

[0002] The spare tire cover for the trunk of a car refers to a decorative, soundproof and load-bearing component installed in the trunk at the rear of the car to cover and isolate the spare tire compartment, so as to achieve the flatness and consistency of the layout of the trunk of the car. The spare tire cover for the trunk of a car is composed of felt and a cover body. During the production and processing of the spare tire cover for the trunk of a car, the felt needs to be tightly attached to the trunk cover, and then the edge of the felt needs to be wrapped around the four sides of the cover body by manual spraying and manual hemming. However, this operation method is labor-intensive, has low production efficiency, high cost, and is prone to the phenomenon of the hemming automatically popping up.

[0003] After searching, a car trunk cover hemming tool with publication number CN211222045U belongs to the field of automobile parts production and processing equipment, including a frame, an operating table is fixed on the frame, a semi-enclosed protective fence is erected on the edge of the operating table, a lighting device is suspended above the operating table through a bracket, and is located on the inside of the protective fence. Hemming components are respectively arranged in the four directions of front, back, left and right of the horizontal plane of the operating table. The four hemming components form a workpiece placement area for placing the trunk cover, and a positioning block is fixed in the workpiece placement area. Each hemming component is driven by a horizontal cylinder to move horizontally in its respective direction to clamp and hem the trunk cover.

[0004] In combination with the above patents, it is found that the prior art has the following shortcomings: the prior art uses an edge wrapping machine to wrap the spare tire cover of a car trunk, and the automation effect is good. However, when it uses multiple horizontal cylinders to drive the edge wrapping assembly to move to realize the edge wrapping operation, the separate driving method of multiple horizontal cylinders has the problem of complicated operating procedures and disordered operating processes, and when a certain horizontal cylinder is damaged, the entire edge wrapping machine cannot continue to operate. Therefore, there is an urgent need for an edge wrapping machine for the spare tire cover of a car trunk to solve the above problems. Summary of the invention

[0005] In view of the problems in the related art, the present invention proposes an edge wrapping machine for a spare tire cover of a car trunk to overcome the above-mentioned technical problems existing in the existing related art.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A car trunk spare tire cover plate hemming machine, comprising:

[0008] Control box;

[0009] The frame is fixedly installed on the top of the control box;

[0010] A support frame, the support frame is fixedly installed on the top of the frame;

[0011] A lifting mechanism, the lifting mechanism is fixedly installed in the middle position of the support frame;

[0012] A clamping and positioning component, which is fixedly installed at the bottom of the lifting mechanism;

[0013] An XY-axis displacement platform, the XY-axis displacement platform is fixedly mounted on the top of the frame, a glue spraying assembly is provided at the equipment mounting end of the XY-axis displacement platform, the glue spraying assembly includes a glue spraying machine fixedly mounted on the outer wall of one side of the frame, and a spray gun is fixedly mounted at the equipment mounting end of the XY-axis displacement platform, and a first corrugated pipe is fixedly mounted at the glue input end of the spray gun and the glue output end of the glue spraying machine;

[0014] A edging opening is provided in the middle position of the top of the frame, and a supporting frame located in the middle position inside the frame is provided at the bottom of the edging opening, the inner wall size of the supporting frame is the same as the inner wall size of the edging opening, and the four bottom corners of the supporting frame are fixedly mounted with supporting columns on the bottom inner wall of the frame, a supporting platform is provided in the middle position of the top of the supporting frame, and a buffer component is provided between the bottom of the supporting platform and the bottom inner wall of the supporting frame, the gap between the top outer wall of the supporting frame and the top inner wall of the frame is designed to be an edging gap, and hot pressing plates are inserted into the inner walls around the edging gap, and heating components are provided on the hot pressing plates, a center frame is fixedly installed in the middle position of the bottom inner wall of the frame, and mounting holes are provided in the middle position around the center frame, the inner walls of the four mounting holes are rotatably connected to the inner walls around the frame with threaded rods, a driving mechanism is provided between one end of the threaded rod and the center frame, the outer walls of the four threaded rods are screwed with movable seats, and the tops of the four movable seats are respectively fixedly connected to the middle position of one side of the four hot pressing plates.

[0015] Furthermore, the lifting mechanism includes a first cylinder fixedly installed in the middle position of the top of the support frame, and a plurality of first guide holes are opened on the top of the support frame, the inner walls of the first guide holes are fixed with guide sleeves, and the inner walls of the guide sleeves are plugged with first guide rods.

[0016] Furthermore, the clamping and positioning assembly includes a positioning frame fixedly mounted on the piston end of the first cylinder and the bottom of the first guide rod, and a limiting strip is fixed on the inner walls around the positioning frame, a second cylinder is fixedly mounted on the outer walls around the positioning frame, and the piston ends of the second cylinder are fixedly mounted with clamping seats that fit around the bottom of the limiting strip, a negative pressure adsorption assembly is arranged on the positioning frame, the negative pressure adsorption assembly includes an annular frame located in the middle area of ​​the positioning frame, and a third cylinder equidistantly distributed is fixedly mounted on the top of the positioning frame, and the piston end of the third cylinder is fixedly connected to the top of the annular frame, and suction cups equidistantly distributed in an annular shape are fixedly mounted on the bottom of the annular frame, the suction cups are communicated with the annular frame, and the suction cups are located above the limiting strip, a negative pressure pump is fixedly mounted on one side of the top of the support frame, and a second bellows is fixedly mounted on the air guide end of the negative pressure pump, a through opening for the second bellows to pass through is opened on one side of the top of the support frame, a connecting pipe is fixedly connected to the top of the annular frame, and the top of the connecting pipe is fixedly connected to one end of the second bellows.

[0017] Furthermore, the buffer assembly includes a cross seat fixedly installed in the middle position of the inner wall of the bottom of the support frame, and buffer grooves are opened around the top of the cross seat, guide rods are fixed on the inner walls of the buffer grooves, and the outer wall of the guide rod is sleeved with a buffer sleeve, and a telescopic spring sleeved on the outer wall of the guide rod is fixed to the outer wall of one end of the buffer sleeve and the inner wall of one end of the buffer groove, and the top of the buffer sleeve is rotatably connected to the middle position of the bottom of the support platform through a pin shaft.

[0018] Furthermore, a limiting column is fixedly installed at the middle position of the bottom of the support platform, and the distance between the bottom of the limiting column and the top of the cross seat is the same as the height of the hemming gap.

[0019] Furthermore, the heating assembly includes a heater fixedly mounted on one side of the bottom of the hot pressing plate, and an electric heating tube arranged inside the hot pressing plate is fixedly mounted on the top of the heater, and the four hot pressing plates are closed to form a square.

[0020] Furthermore, the driving mechanism includes a second bevel gear fixedly mounted on one end of the threaded rod, and a forward and reverse motor is fixedly mounted at the top middle position of the center frame, a first bevel gear is fixedly mounted on the output shaft of the forward and reverse motor, the first bevel gear is meshed with the second bevel gear, the first bevel gear and the second bevel gear are both arranged inside the center frame, second guide rods are fixed on both sides of the outer wall of the center frame and the inner wall of the frame, and a second guide hole for the second guide rod to pass through is opened on the moving seat.

[0021] Beneficial effects of the present invention:

[0022] The present invention provides an edge wrapping machine for the spare tire cover of a car trunk, which is provided with a clamping and positioning component, a lifting mechanism, a negative pressure adsorption component, an edge wrapping frame, an edge wrapping mouth, a support platform and a buffer component. The second cylinder in the clamping and positioning component and the stroke of the clamping seat are adjusted to fix the trunk spare tire cover body, the lifting mechanism is used to adjust the height of the positioning frame so that the position of the trunk spare tire cover body is close to the felt on the support platform, and then the third cylinder is used to adjust the height of the annular frame and the suction cup in the negative pressure adsorption component, and the negative pressure pump and the suction cup are used to adsorb and fix the trunk spare tire cover body, and then the second cylinder is released, and the third cylinder is continuously used to lower the height of the annular frame and the trunk spare tire cover body so that the trunk spare tire cover body is pressed into the edge wrapping mouth, and under the action of the buffer component, the trunk spare tire cover body and the felt are fully fitted, so as to realize the function of positioning the trunk spare tire cover body, ensure the stability of the trunk spare tire cover body during edge wrapping, and realize the performance of easy feeding and taking.

[0023] The invention provides an automobile trunk spare tire cover hemming machine, which, by means of an XY-axis displacement platform and a glue spraying assembly, uses a control box to control the stroke of the XY-axis displacement platform and the spray gun, so that glue is automatically sprayed around the hemming of the felt under the action of the glue spraying assembly, thereby realizing automatic glue spraying operation, replacing the manual glue spraying operation mode, and improving the automation performance of the entire hemming machine.

[0024] The present invention provides an automobile trunk spare tire cover plate edge wrapping machine, which can simultaneously drive four threaded rods to rotate under the action of the driving mechanism, and simultaneously drive four movable seats to move, and also drive the hot pressing plate to move in the edge wrapping gap, so as to push the edge of the felt to fold around the trunk spare tire cover plate body, thereby achieving the performance of simultaneous edge wrapping on the four sides of the trunk spare tire cover plate body, replacing the prior art that uses multiple horizontal cylinders to drive the edge wrapping operation, with a simple operation procedure and easy use, and can achieve the effect of rapid edge wrapping.

[0025] The present invention provides a car trunk spare tire cover hemming machine, which can heat the hot pressing plate under the action of the heating component by means of a hot pressing plate and a heating component, thereby achieving the effect of hot pressing hemming in a high temperature environment, avoiding the problem of glue solidifying before hemming and reducing the bonding effect, making the hemming bonding more firm, and preventing the hemming from automatically bouncing up. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the overall structure of a spare tire cover hemming machine for a car trunk provided by an embodiment of the present invention;

[0027] Figure 2A schematic diagram of the positioning frame and negative pressure pump structure of the automobile trunk spare tire cover hemming machine provided by the embodiment of the present invention;

[0028] Figure 3 A bottom view of a positioning frame of a car trunk spare tire cover hemming machine provided by an embodiment of the present invention;

[0029] Figure 4 A schematic diagram of the structure of a glue spraying assembly of an edge wrapping machine for a spare tire cover of a car trunk provided by an embodiment of the present invention;

[0030] Figure 5 A schematic diagram of the hemming port and support platform structure of the hemming machine for the spare tire cover of a car trunk provided by an embodiment of the present invention;

[0031] Figure 6 A cross-sectional view of a frame of an automobile trunk spare tire cover hemming machine provided by an embodiment of the present invention;

[0032] Figure 7 A schematic diagram of the support column and hemming gap structure of the hemming machine for the spare tire cover of a car trunk provided by an embodiment of the present invention;

[0033] Figure 8 A schematic diagram of the structure of a center frame and a forward and reverse motor of a car trunk spare tire cover hemming machine provided by an embodiment of the present invention;

[0034] Fig. 9 A diagram of the first bevel gear and the second bevel gear of the hemming machine for the spare tire cover of a car trunk provided by an embodiment of the present invention;

[0035] Fig.10 A schematic diagram of the cross seat and telescopic spring structure of the automobile trunk spare tire cover hemming machine provided by an embodiment of the present invention;

[0036] Fig.11 A diagram showing the closed state of the hot pressing plate of the automobile trunk spare tire cover hemming machine provided in an embodiment of the present invention.

[0037] In the figure:

[0038] 1. Control box; 2. Glue spraying assembly; 201. Glue spraying machine; 202. First bellows; 203. Spray gun; 3. Envelope frame; 4. XY axis displacement platform; 5. Positioning frame; 6. Support frame; 7. First cylinder; 8. First guide rod; 9. Negative pressure adsorption assembly; 901. Negative pressure pump; 902. Second bellows; 903. Through port; 904. Ring frame; 905. Suction cup; 10. Second cylinder; 11. Third cylinder; 12. Limiting strip; 13. Clamping seat; 14 , hemming mouth; 15, support table; 16, hot pressing plate; 17, movable seat; 18, threaded rod; 19, second guide rod; 20, center frame; 21, cross seat; 22, support frame; 23, limit column; 24, electric heating tube; 25, support column; 26, movable plate; 27, hemming gap; 28, forward and reverse motor; 29, heater; 30, second bevel gear; 31, first bevel gear; 32, buffer sleeve; 33, buffer groove; 34, guide rod; 35, telescopic spring. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] See also Figures 1 to 11 , a car trunk spare tire cover plate hemming machine, comprising:

[0044] Control box 1;

[0045] A frame 3, wherein the frame 3 is fixedly mounted on the top of the control box 1;

[0046] A support frame 6, the support frame 6 is fixedly mounted on the top of the frame 3;

[0047] A lifting mechanism, the lifting mechanism is fixedly installed in the middle position of the support frame 6, the lifting mechanism includes a first cylinder 7 fixedly installed in the middle position of the top of the support frame 6, and a plurality of first guide holes are opened on the top of the support frame 6, the inner walls of the first guide holes are fixed with guide sleeves, and the inner walls of the guide sleeves are plugged with first guide rods 8;

[0048] A clamping and positioning component, which is fixedly installed at the bottom of the lifting mechanism. The clamping and positioning component includes a positioning frame 5 fixedly installed at the piston end of the first cylinder 7 and the bottom of the first guide rod 8, and the inner walls around the positioning frame 5 are fixed with limit strips 12, and the outer walls around the positioning frame 5 are fixedly installed with second cylinders 10, and the piston ends of the second cylinders 10 are fixedly installed with clamping seats 13 that fit around the bottom of the limit strips 12. A negative pressure adsorption component 9 is provided on the positioning frame 5, and the negative pressure adsorption component 9 includes an annular frame 904 located in the middle area of ​​the positioning frame 5, and the top of the positioning frame 5 is fixedly installed with a third cylinder 11 distributed at equal distances, and the piston end of the third cylinder 11 is fixedly connected to the top of the annular frame 904, and the bottom of the annular frame 904 is fixedly installed with suction cups 905 distributed in an annular shape at equal distances, and the suction cups 905 are communicated with the annular frame 904, and the suction cups 905 are located above the limit strips 12, and a negative pressure pump 901 is fixedly installed on one side of the top of the support frame 6, and the negative pressure pump A second bellows 902 is fixedly installed on the air guide end of 901, and a through hole 903 for the second bellows 902 to pass through is opened on one side of the top of the support frame 6. A connecting pipe is fixedly connected to the top of the annular frame 904, and the top of the connecting pipe is fixedly connected to one end of the second bellows 902. The spare tire cover body of the luggage compartment is fixed by adjusting the stroke of the second cylinder 10 and the clamping seat 13 in the clamping and positioning assembly, and the height of the positioning frame 5 is adjusted by the lifting mechanism so that the position of the spare tire cover body of the luggage compartment is close to the felt on the support platform 15, and then the height of the annular frame 904 and the suction cup 905 in the negative pressure adsorption assembly 9 is adjusted by the third cylinder 11, and the negative pressure pump 901 and the suction cup 905 are used to adsorb and fix the spare tire cover body of the luggage compartment, and then the second cylinder 10 is released, and the height of the annular frame 904 and the spare tire cover body of the luggage compartment is continuously lowered by the third cylinder 11, so that the spare tire cover body of the luggage compartment is pressed into the edge-wrapping opening 14, so as to realize the positioning of the spare tire cover body of the luggage compartment;

[0049] An XY-axis displacement platform 4 is fixedly mounted on the top of the wrapping frame 3. A glue spraying assembly 2 is provided at the equipment installation end of the XY-axis displacement platform 4. The glue spraying assembly 2 includes a glue spraying machine 201 fixedly mounted on the outer wall of one side of the wrapping frame 3. A spray gun 203 is fixedly mounted at the equipment installation end of the XY-axis displacement platform 4. A first corrugated pipe 202 is fixedly mounted at the glue input end of the spray gun 203 and the glue output end of the glue spraying machine 201 to control the stroke of the XY-axis displacement platform 4 and the spray gun 203. Under the action of the glue spraying assembly 2, glue is automatically sprayed around the hemming of the felt, thereby realizing automatic glue spraying operation, replacing the manual glue spraying operation mode, and improving the automation performance of the entire hemming machine;

[0050] A edging opening 14 is provided at the middle position of the top of the frame 3, and a support frame 22 is provided at the bottom of the edging opening 14 and is located in the middle position of the inner part of the frame 3. The inner wall size of the support frame 22 is the same as the inner wall size of the edging opening 14. The four corners of the bottom of the support frame 22 are fixedly mounted with support columns 25 on the bottom inner wall of the frame 3. A support platform 15 is provided at the middle position of the top of the support frame 22, and a buffer component is provided between the bottom of the support platform 15 and the bottom inner wall of the support frame 22. The top outer wall of the support frame 22 and the top inner wall of the frame 3 are provided between the support column 25 and the bottom inner wall of the frame 3. The space between the edges is designed as a hemming gap 27, and the inner walls around the hemming gap 27 are all plugged with hot pressing plates 16, and the hot pressing plates 16 are all provided with heating components. A center frame 20 is fixedly installed in the middle of the bottom inner wall of the hemming frame 3, and mounting holes are opened in the middle of the four sides of the center frame 20. The inner walls of the four mounting holes are respectively connected to the inner walls around the hemming frame 3 with threaded rods 18, and a driving mechanism is provided between one end of the threaded rod 18 and the center frame 20. The driving mechanism includes a second bevel gear 30 fixedly installed at one end of the threaded rod 18. , and a forward and reverse motor 28 is fixedly installed at the top middle position of the center frame 20, and a first bevel gear 31 is fixedly installed on the output shaft of the forward and reverse motor 28, and the first bevel gear 31 is meshed with the second bevel gear 30, and the first bevel gear 31 and the second bevel gear 30 are both arranged inside the center frame 20, and the second guide rods 19 are fixed on both sides of the outer wall of the center frame 20 and the inner wall of the frame 3, and the second guide holes for the second guide rods 19 to pass through are opened on the moving seat 17, and the outer walls of the four threaded rods 18 are screwed with the moving seat 17 The tops of the four moving seats 17 are respectively fixedly connected to the middle positions of one side of the four hot pressing plates 16. The forward and reverse motors 28 in the driving mechanism are controlled by the control box 1 to work, and the meshing action of the first bevel gear 31 and the second bevel gear 30 drives the four threaded rods 18 to rotate, drives the four moving seats 17 to move, and also drives the hot pressing plates 16 to move in the hemming gap 27. The extrusion action of the hot pressing plates 16 is used to push the edges of the felt to be folded around the spare tire cover body of the luggage compartment, thereby simultaneously hemming the spare tire cover body of the luggage compartment.

[0051] Specifically, the buffer assembly includes a cross seat 21 fixedly mounted at the middle position of the inner wall at the bottom of the support frame 22, and buffer grooves 33 are opened around the top of the cross seat 21, and guide rods 34 are fixed on the inner walls of the buffer grooves 33. The outer wall of the guide rod 34 is sleeved with a buffer sleeve 32, and a telescopic spring 35 sleeved on the outer wall of the guide rod 34 is fixed to the outer wall of one end of the buffer sleeve 32 and the inner wall of one end of the buffer groove 33. The top of the buffer sleeve 32 is rotatably connected to the middle position of the bottom of the support platform 15 through a pin shaft. A limiting column 23 is fixedly installed at the middle position of the bottom of the support platform 15, and the distance from the bottom of the limiting column 23 to the top of the cross seat 21 is the same as the height of the edging gap 27. When the rear cover body of the spare tire of the luggage case is continuously pressed down, the buffering effect of the telescopic spring 35 in the buffer assembly is used for buffering, so as to avoid the problem of extrusion damage to the rear cover body of the spare tire of the luggage case, so that the felt is fully fitted with the rear cover body of the spare tire of the luggage case.

[0052] Specifically, the heating component includes a heater 29 fixedly mounted on one side of the bottom of the hot press plate 16, and an electric heating tube 24 arranged inside the hot press plate 16 is fixedly mounted on the top of the heater 29. The four hot press plates 16 are closed in a square shape, and the felt can be fully adhered to the four sides of the spare tire cover body of the trunk when the hot press plates 16 are closed. The hot press plates 16 can be heated under the action of the heating component to achieve the effect of hot pressing and edging in a high temperature environment, avoiding the problem of glue solidifying before edging and reducing the bonding effect, making the edging bonding more firm, and preventing the edging from automatically bouncing up.

[0053] In summary, with the aid of the above technical solution of the present invention, the working principle of the present invention is as follows: when in use, the user places the cut felt on the support table 15 in advance, and then uses the control box 1 to control the stroke of the XY axis displacement platform 4 and the spray gun 203, and the glue is automatically sprayed around the edge of the felt under the action of the glue spraying component 2, and then the spare tire cover body of the luggage compartment is placed in the positioning frame 5, and the stroke of the clamping seat 13 is adjusted by the second cylinder 10 in the clamping positioning component to fix the spare tire cover body of the luggage compartment, and then the first cylinder 10 in the lifting mechanism is used to adjust the stroke of the clamping seat 13. The first cylinder 7 adjusts the height of the positioning frame 5 so that the position of the luggage compartment spare tire cover body is close to the felt on the support platform 15. Then the user uses the third cylinder 11 to adjust the height of the annular frame 904 and the suction cup 905 in the negative pressure adsorption component 9, and cooperates with the negative pressure pump 901 and the suction cup 905 to adsorb and fix the luggage compartment spare tire cover body. Then the second cylinder 10 is reset, and the third cylinder 11 is continuously used to lower the height of the annular frame 904 and the luggage compartment spare tire cover body, so that the luggage compartment spare tire cover body is pressed into the edge opening 14, and under the action of the buffer component, the The trunk spare tire cover body is fully fitted with the felt. Next, the user controls the forward and reverse motor 28 in the driving mechanism through the control box 1 to work, and cooperates with the meshing action of the first bevel gear 31 and the second bevel gear 30 to drive the four threaded rods 18 to rotate, drive the four moving seats 17 to move, and also drive the hot pressing plate 16 to move in the hemming gap 27. The extrusion effect of the hot pressing plate 16 is used to push the edge of the felt to fold around the trunk spare tire cover body, thereby simultaneously hemming the trunk spare tire cover body around the four sides, and the heater in the heating component can be The hot pressing plate 16 is heated under the action of 29 and the electric heating tube 24 to achieve the effect of hot pressing and edging in a high temperature environment, avoiding the problem of glue solidifying before edging and reducing the bonding effect, and then turning off the heating component. After a period of time, the hot pressing plate 16 is driven to reset through the driving mechanism, and the lifting mechanism is used to drive the clamping and positioning component and the luggage compartment spare tire cover body after edging to rise, and the negative pressure adsorption component 9 is turned off, and the third cylinder 11 is reset. The luggage compartment spare tire rear cover body can be separated from the suction cup 905 through the blocking effect of the limit strip 12 to achieve unloading.

[0054] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Automobile trunk spare tire cover hemming machine, characterized in that: include: Control box (1); A frame (3), wherein the frame (3) is fixedly mounted on the top of the control box (1); A support frame (6), wherein the support frame (6) is fixedly mounted on the top of the frame (3); A lifting mechanism, the lifting mechanism being fixedly mounted at a middle position of the support frame (6); A clamping and positioning assembly, wherein the clamping and positioning assembly is fixedly mounted at the bottom of the lifting mechanism; An XY-axis displacement platform (4), wherein the XY-axis displacement platform (4) is fixedly mounted on the top of the frame (3), and a glue spraying assembly (2) is provided at the device mounting end of the XY-axis displacement platform (4); A edging opening (14) is provided at the middle position of the top of the frame (3), and a support frame (22) is provided at the bottom of the edging opening (14) and is located at the middle position of the frame (3). The inner wall size of the support frame (22) is the same as the inner wall size of the edging opening (14). Support columns (25) are fixedly mounted on the bottom inner wall of the frame (3) at the four bottom corners of the support frame (22). A support platform (15) is provided at the middle position of the top of the support frame (22), and a buffer component is provided between the bottom of the support platform (15) and the bottom inner wall of the support frame (22). The gap between the top outer wall of the support frame (22) and the top inner wall of the frame (3) is designed as an edging seam. A gap (27) is formed on the inner walls of the hemming gap (27), and a hot pressing plate (16) is inserted into the inner walls around the hemming gap (27), and a heating component is arranged on the hot pressing plate (16). A center frame (20) is fixedly installed in the middle position of the bottom inner wall of the hemming frame (3), and mounting holes are opened in the middle positions around the center frame (20). Threaded rods (18) are rotatably connected between the inner walls of the four mounting holes and the inner walls around the hemming frame (3), and a driving mechanism is arranged between one end of the threaded rod (18) and the center frame (20). The outer walls of the four threaded rods (18) are screwed with movable seats (17), and the tops of the four movable seats (17) are fixedly connected to the middle positions of one side of the four hot pressing plates (16).

2. The automobile trunk spare tire cover hemming machine according to claim 1, characterized in that: The lifting mechanism comprises a first cylinder (7) fixedly mounted at a middle position on the top of the support frame (6), and a plurality of first guide holes are opened on the top of the support frame (6), guide sleeves are fixed to the inner walls of the first guide holes, and first guide rods (8) are inserted into the inner walls of the guide sleeves.

3. The automobile trunk spare tire cover hemming machine according to claim 2, characterized in that: The clamping and positioning assembly comprises a positioning frame (5) fixedly mounted on the piston end of the first cylinder (7) and the bottom of the first guide rod (8), and the inner walls around the positioning frame (5) are fixedly provided with limit strips (12), the outer walls around the positioning frame (5) are fixedly provided with second cylinders (10), and the piston ends of the second cylinders (10) are fixedly provided with clamping seats (13) which are fitted around the bottom of the limit strips (12), and a negative pressure adsorption assembly (9) is arranged on the positioning frame (5).

4. The automobile trunk spare tire cover hemming machine according to claim 3, characterized in that: The negative pressure adsorption component (9) comprises an annular frame (904) located in the middle area of ​​the positioning frame (5), and a third cylinder (11) distributed at equal distances is fixedly installed on the top of the positioning frame (5), and the piston end of the third cylinder (11) is fixedly connected to the top of the annular frame (904), and a suction cup (905) distributed in an annular shape at equal distances is fixedly installed on the bottom of the annular frame (904), and the suction cup (905) is communicated with the annular frame (904), and the suction cup (905) is located above the limit bar (12), and a negative pressure pump (901) is fixedly installed on one side of the top of the support frame (6), and a second bellows (902) is fixedly installed on the air guide end of the negative pressure pump (901), and a through opening (903) for the second bellows (902) to pass through is opened on one side of the top of the support frame (6), and a connecting pipe is fixedly connected to the top of the annular frame (904), and the top of the connecting pipe is fixedly connected to one end of the second bellows (902).

5. The automobile trunk spare tire cover hemming machine according to claim 4, characterized in that: The glue spraying assembly (2) comprises a glue spraying machine (201) fixedly mounted on an outer wall of one side of the frame (3), and a spray gun (203) is fixedly mounted on the equipment mounting end of the XY axis displacement platform (4), and a first corrugated pipe (202) is fixedly mounted on the glue input end of the spray gun (203) and the glue output end of the glue spraying machine (201).

6. The automobile trunk spare tire cover hemming machine according to claim 5, characterized in that: The buffer assembly comprises a cross seat (21) fixedly mounted at the middle position of the inner wall at the bottom of the support frame (22), and buffer grooves (33) are provided around the top of the cross seat (21), and guide rods (34) are fixed to the inner walls of the buffer grooves (33), and the outer wall of the guide rod (34) is sleeved with a buffer sleeve (32), and a telescopic spring (35) sleeved on the outer wall of the guide rod (34) is fixed to the outer wall of one end of the buffer sleeve (32) and the inner wall of one end of the buffer groove (33), and the top of the buffer sleeve (32) is rotatably connected to the middle position around the bottom of the support platform (15) through a pin shaft.

7. The automobile trunk spare tire cover hemming machine according to claim 6, characterized in that: A limiting column (23) is fixedly installed at the middle position of the bottom of the support platform (15), and the distance between the bottom of the limiting column (23) and the top of the cross seat (21) is the same as the height of the hemming gap (27).

8. The automobile trunk spare tire cover hemming machine according to claim 7, characterized in that: The heating assembly comprises a heater (29) fixedly mounted on one side of the bottom of the hot pressing plate (16), and an electric heating tube (24) arranged inside the hot pressing plate (16) is fixedly mounted on the top of the heater (29), and the four hot pressing plates (16) are closed to form a square.

9. The automobile trunk spare tire cover hemming machine according to claim 8, characterized in that: The driving mechanism comprises a second bevel gear (30) fixedly mounted on one end of the threaded rod (18), a forward and reverse motor (28) fixedly mounted at the top middle position of the center frame (20), a first bevel gear (31) fixedly mounted on the output shaft of the forward and reverse motor (28), the first bevel gear (31) meshing with the second bevel gear (30), and the first bevel gear (31) and the second bevel gear (30) are both arranged inside the center frame (20).

10. The automobile trunk spare tire cover hemming machine according to claim 9, characterized in that: Second guide rods (19) are fixed to both sides of the outer walls of the central frame (20) and the inner walls of the frame (3), and second guide holes for the second guide rods (19) to pass through are provided on the movable seat (17).

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