Vehicle frame punching device

Abstract

The utility model relates to a frame punching device which comprises a working table, a feeding mechanism, a punching mechanism and a grabbing mechanism, the punching mechanism comprises a main frame, an oil cylinder, a punch, a cushion block and a positioning column, the main frame and the cushion block are both fixed on the working table, the oil cylinder is arranged on the main frame, the output end of the oil cylinder is connected with the punch, the positioning column is transversely arranged on the main frame, and the grabbing mechanism is arranged on the main frame. The grabbing mechanism comprises a fixing frame, a first air cylinder, a sliding rod, a sliding block, a sliding plate and a fourth air cylinder, the first air cylinder drives the sliding block to slide on the sliding rod and drives an electromagnet to move, the sliding plate drives the sliding block to slide on the sliding rod, and the fourth air cylinder drives the sliding block to slide on the sliding rod and drives the electromagnet to move. The electromagnet is electrified to generate magnetic force to grab the frame short pipe, the frame short pipe at the position of the feeding mechanism is moved to the cushion block, and the positioning column has the advantages that the frame short pipe is arranged on the positioning column in a sleeving mode in the punching process, and when the oil cylinder on the top is started to drive the punch to punch the frame short pipe, the supporting performance can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of frame machining especially to a frame punching device. BACKGROUND

[0002] In the bicycle frame, even if the relatively short pipe also often needs to punch, for example, for installing brake clamps, speed changer, water bottle rack and other parts, for example, for installing brake clamps, the pipe needs to punch to install the bolt of fixed brake clamps, and the position and size precision of these holes directly affect the installation precision of brake clamps, and further affect the brake performance.

[0003] The short pipe is difficult to position in the punching die due to the relatively short length, and compared with the long pipe, the positioning reference surface of the short pipe is smaller, and position deviation is prone to occur, in the punching process, the short pipe can be displaced due to the slight vibration of the die or the elasticity of the material, leading to inaccurate punching position, and the short pipe is more prone to deformation when punching, and due to the relatively short length, the ability to resist deformation is relatively weak, when the punching force acts on the short pipe, the pipe body is prone to local deformation, especially in the case that the punching diameter is relatively large or the punching position is close to the end of the pipe, the deformation can affect the assembly and use performance of the subsequent frame, and the existing short pipe punching is usually manually fed, and this way not only has low feeding efficiency, but also has high labor cost, and the positioning is not accurate enough. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a frame punching device.

[0005] The utility model provides a frame punching device adopts the following technical scheme:

[0006] A frame punching device comprises a workbench, a feeding mechanism, a punching mechanism and a grabbing mechanism, wherein the punching mechanism and the grabbing mechanism are both arranged on the workbench, the feeding mechanism is arranged on one side of the workbench, the punching mechanism comprises a main frame, an oil cylinder, a punch, a pad and a positioning column, the main frame and the pad are both fixed on the workbench, the oil cylinder is arranged on the main frame, the output end of the oil cylinder is connected to the punch, the positioning column is transversely arranged on the main frame and aligned with the pad, the top of the pad is arranged in an arc shape adapted to the frame short tube, the outer diameter of the positioning column is smaller than the inner diameter of the frame short tube, and the positioning column is provided with a plurality of holes, wherein the holes are provided on the workbench. A waist-shaped groove is provided on the position column, and the grasping mechanism includes a fixed frame, a third cylinder, a sliding rod, a slider, a slide plate, a fourth cylinder, a connecting arm and an electromagnet. The fixed frame is set on a workbench, and the third cylinder and the slide rod are both set on the fixed frame. The output end of the third cylinder is connected to the slider, and the slider slides with the slide rod. The slide plate is fixed on the slider, and the fourth cylinder is set on the slide plate. The output end of the fourth cylinder is connected to the connecting arm, and the connecting arm slides on the slide plate. The electromagnets are respectively set at both ends of the connecting arm, and the bottom of the electromagnet is set to an arc shape that is compatible with the short tube of the frame.

[0007] Optionally, a pushing assembly is also provided on the workbench, and the pushing assembly includes a connecting frame, cylinder 1, cylinder 2, push plate 1 and push plate 2. The connecting frame is set on the workbench, cylinder 1 is set on the connecting frame, and cylinder 2 is set on the main frame. Cylinder 1 and cylinder 2 are arranged opposite to each other, and the output end of cylinder 2 is connected to push plate 2. The positioning column passes through push plate 2. Push plate 2 moves parallel to the action of cylinder 2. The output end of cylinder 1 is connected to push plate 1, and push plate 1 pushes the short tube of the frame to move toward the positioning column until it is sleeved in the positioning column.

[0008] Optionally, the feeding mechanism specifically includes a feeding table, a driver and a synchronous belt, and baffles are arranged at intervals on the synchronous belt.

[0009] Optionally, a positioning mechanism is further provided on the feeding table, and the positioning mechanism is arranged between the synchronous belt and the main frame. The positioning mechanism includes a positioning frame, a motor, a driving wheel group and a driven wheel group. The motor is arranged on the positioning frame, and the driving wheel group and the driven wheel group are respectively arranged on both sides of the positioning frame. The output end of the motor drives the driving wheel group to rotate, and the driving wheel group includes two groups of rollers, and the two groups of rollers are engaged with each other. The driven wheel group is specifically two groups of bearings, and the frame short tube rotates between the driving wheel group and the driven wheel group.

[0010] Optionally, the positioning mechanism further comprises a limiting assembly, the limiting assembly comprising a support, a cylinder five, a connecting rod and a roller, the support being arranged on one side of the positioning frame, the cylinder five being arranged obliquely on the support, the output end of the cylinder five being hinged to the waist of the connecting rod, one end of the connecting rod being hinged to the support, and the other end of the connecting rod being rotatably connected to the roller.

[0011] Optionally, a material returning groove is arranged on the workbench, and the material returning groove is arranged between the cushion block and the positioning column.

[0012] In summary, the utility model has at least one of the following beneficial technical effects:

[0013] 1. The cylinder three drives the sliding block to slide on the sliding rod, drives the sliding plate, the connecting arm and the electromagnets at both ends to move, and moves the frame short pipe at the feeding mechanism to the cushion block by the magnetic force generated by electrifying the electromagnets to grab the frame short pipe, and the positioning column is arranged, so that the frame short pipe is sleeved on the positioning column when punching, and the oil cylinder at the top is started to drive the punch to punch the frame short pipe, so that the supportability can be improved, and displacement caused by slight vibration of the pipe or elasticity of the material itself can be prevented;

[0014] 2. The positioning mechanism is arranged, so that the frame short pipe can be positioned in advance before being grabbed by the grabbing mechanism, and the rotation angle of the short pipe can be accurately controlled under the action of the motor through the driving wheel set, and higher-precision positioning can be realized in combination with the stable support of the driven wheel set;

[0015] 3. When positioning, the cylinder five drives the connecting rod to rotate, so that the roller at the end of the connecting rod abuts against the frame short pipe, the roller rotates along with the rotation of the frame short pipe, the frame short pipe is limited, and the positioning accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of a frame punching device.

[0017] Figure 2 It is a schematic view of another side of a frame punching device.

[0018] Figure 3 It is Figure 1 the enlarged view of A part in Fig.

[0019] Figure 4 It is Figure 2 the enlarged view of B part in Fig.

[0020] Explanation of reference signs: 1, frame short pipe; 2, workbench; 3, feeding mechanism; 31, feeding table; 32, driver; 33, synchronous belt; 34, material blocking plate; 4, punching mechanism; 41, main frame; 42, oil cylinder; 43, punch; 44, cushion block; 45, positioning column; 451, waist-shaped groove; 5, grabbing mechanism; 51, fixing frame; 52, cylinder three; 53, sliding rod; 54, sliding block; 55, sliding plate; 56, cylinder four; 57, connecting arm; 58, electromagnet; 6, material pushing assembly; 61, connecting frame; 62, cylinder one; 63, cylinder two; 64, push plate two; 7, positioning mechanism; 71, positioning frame; 72, motor; 73, driving wheel set; 74, driven wheel set; 75, support; 76, cylinder five; 77, connecting rod; 78, roller; 8, material returning groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements 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.

[0023] In addition, the meaning of "several" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0024] The embodiments of the present application disclose a frame punching device. Referring to Figures 1-4The utility model provides a kind of frame punching device, including workbench 2, feeding mechanism 3, punching mechanism 4 and grabbing mechanism 5, punching mechanism 4, grabbing mechanism 5 are all arranged on workbench 2, feeding mechanism 3 is arranged on the side of workbench 2, punching mechanism 4 includes main frame 41, oil cylinder 42, punch 43, cushion block 44 and positioning column 45, main frame 41 and cushion block 44 are all fixed on workbench 2, oil cylinder 42 is arranged on main frame 41, the output end of oil cylinder 42 is connected punch 43, positioning column 45 is transversely arranged on main frame 41, and aligns cushion block 44, the top of cushion block 44 is set as the arc shape compatible with frame short pipe 1, the outer diameter of positioning column 45 is less than the inner diameter of frame short pipe 1, and waist type groove 451 is opened in positioning column 45, grabbing mechanism 5 includes fixed frame 51, cylinder three 52, sliding rod 53, sliding block 54, sliding plate 55, connecting arm 57 and electromagnet 58, fixed frame 51 is arranged on workbench 2, cylinder three 52 and sliding rod 53 are all arranged on fixed frame 51, the output end of cylinder three 52 is connected sliding block 54, sliding block 54 is slidably connected with sliding rod 53, sliding plate 55 is fixed on sliding block 54, cylinder four 56 is arranged on sliding plate 55, the output end of cylinder four 56 is fixedly connected with connecting arm 57, connecting arm 57 slides on sliding plate 55, electromagnet 58 is respectively arranged at the two ends of connecting arm 57, the bottom of electromagnet 58 is set as the arc shape compatible with frame short pipe 1, by this design, cylinder three 52 drives sliding block 54 to slide on sliding rod 53, drives sliding plate 55, connecting arm 57 and the electromagnet 58 at two ends to move, and frame short pipe 1 is grabbed by the magnetic force generated by electrification of electromagnet 58, moves frame short pipe 1 in the place of feeding mechanism 3 to cushion block 44, the advantage of positioning column 45 is that frame short pipe 1 is sleeved on positioning column 45 when punching, and the supportability can be improved when the top oil cylinder 42 is started to drive punch 43 to punch frame short pipe 1, to prevent that frame pipe slightly vibrates or displacement occurs due to the elasticity of material itself.

[0025] Correspondingly, workbench 2 has pushing component 6 for pushing frame short pipe 1, and pushing component 6 includes connecting frame 61, cylinder one 62, cylinder two 63, push plate one and push plate two 64, connecting frame 61 is arranged on workbench 2, cylinder one 62 is arranged on connecting frame 61, cylinder two 63 is arranged on main frame 41, cylinder one 62 and cylinder two 63 are oppositely arranged, the output end of cylinder two 63 is connected with push plate two 64, positioning column 45 passes through push plate two 64, push plate two 64 moves in parallel under the action of cylinder two 63, the output end of cylinder one 62 is connected with push plate one, push plate one pushes frame short pipe 1 to move towards positioning column 45 until sleeving in positioning column 45, and correspondingly, after punching is completed, push plate two 64 pushes frame pipe segment from positioning column 45 under the action of cylinder two 63, and then frame pipe segment is grabbed out by grabbing mechanism 5 for subsequent process.

[0026] The feeding mechanism 3 specifically comprises a feeding table 31, a driver 32 and a synchronous belt 33, the synchronous belt 33 is provided with material blocking plates 34 at intervals, the feeding table 31 is further provided with a positioning mechanism 7, the positioning mechanism 7 is arranged between the synchronous belt 33 and a main frame 41, the positioning mechanism 7 comprises a positioning frame 71, a motor 72, a driving wheel set 73 and a driven wheel set 74, the motor 72 is arranged on the frame, the driving wheel set 73 and the driven wheel set 74 are arranged on the two sides of the positioning frame 71 respectively, the output end of the motor 72 drives the driving wheel set 73 to rotate, the driving wheel set 73 comprises two groups of rollers 78, the two groups of rollers 78 are meshed with each other, the driven wheel set 74 is specifically two groups of bearings, the frame short pipe 1 rotates between the driving wheel set 73 and the driven wheel set 74, through the arrangement of the positioning mechanism 7, the frame short pipe 1 can be positioned in advance before the grabbing mechanism 5 grabs, under the action of the motor 72, the rotation angle of the short pipe is accurately controlled through the driving wheel set 73, combined with the stable support of the driven wheel set 74, the positioning precision can be improved.

[0027] The positioning mechanism 7 further comprises a limiting assembly, the limiting assembly comprises a support 75, a cylinder five 76, a connecting rod 77 and a roller 78, the support 75 is arranged on one side of the positioning frame 71, the cylinder five 76 is arranged obliquely on the support 75, the output end of the cylinder five 76 is hinged to the waist of the connecting rod 77, one end of the connecting rod 77 is hinged to the support 75, the other end of the connecting rod 77 is rotatably connected with the roller 78, through this design, when positioning, the cylinder five 76 drives the connecting rod 77 to rotate, so that the roller 78 at the end of the connecting rod 77 abuts against the frame short pipe 1 and rotates with the frame short pipe 1, thereby limiting the frame short pipe 1 and improving the positioning accuracy, after positioning is completed, the cylinder drives the connecting rod 77 to lift up, the electromagnet 58 on the grabbing mechanism 5 grabs the frame short pipe 1 and places the frame short pipe 1 on the cushion block 44.

[0028] The workbench 2 is provided with a material returning groove 8, the material returning groove 8 is arranged between the cushion block 44 and the positioning column 45, after the punch 43 completes punching, the waste punched down falls into the material returning groove 8, thereby avoiding the accumulation and residue of the waste on the workbench 2, and reducing the interference of the waste on subsequent punching operation and other components.

[0029] It should be noted that the electromagnet 58 in the grabbing mechanism 5 is specifically magnetic in the state of power-on, and loses magnetism in the state of power-off, thereby realizing grabbing and feeding, the on-off control of the magnetism of the electromagnet 58 is relatively common, so it is not described in detail herein.

[0030] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, therefore: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A frame piercing apparatus characterized by: The utility model provides a kind of vehicle frame short tube automatic production line, including workbench (2), feeding mechanism (3), punching mechanism (4) and grabbing mechanism (5), the punching mechanism (4), grabbing mechanism (5) are all arranged on the workbench (2), the feeding mechanism (3) is arranged on one side of the workbench (2), the punching mechanism (4) includes main frame (41), oil cylinder (42), punch (43), cushion block (44) and locating column (45), the main frame (41) and cushion block (44) are all fixed on workbench (2), the oil cylinder (42) is arranged on the main frame (41), the output end of the oil cylinder (42) is connected the punch (43), the locating column (45) is transversely arranged on main frame (41), and aligns the cushion block (44), the top of the cushion block (44) is set as the arc shape compatible with vehicle frame short tube (1), the outer diameter of the locating column (45) is less than the inner diameter of vehicle frame short tube (1), the locating column (45) is provided with a waist type groove (451), the grabbing mechanism (5) includes fixed frame (51), cylinder three (52), slide rod (53), sliding block (54), slide plate (55), cylinder four (56), connecting arm (57) and electromagnet (58), the fixed frame (51) is arranged on workbench (2), the cylinder three (52) and slide rod (53) are all arranged on the fixed frame (51), the output end of the cylinder three (52) is connected the sliding block (54), the sliding block (54) is slidably connected with the slide rod (53), the slide plate (55) is fixed on the sliding block (54), the cylinder four (56) is arranged on slide plate (55), the output end of cylinder four (56) is connected the connecting arm (57), the connecting arm (57) is slid on the slide plate (55), the electromagnet (58) is respectively arranged at both ends of the connecting arm (57), and the bottom of the electromagnet (58) is set as the arc shape compatible with vehicle frame short tube (1).

2. A frame punching device according to claim 1, characterized in that: The workbench (2) is also provided with a pushing assembly (6), and the pushing assembly (6) includes a connecting frame (61), a cylinder one (62), a cylinder two (63), a first push plate (64) and a second push plate (64).

3. A frame punching device according to claim 1, characterized in that: The feeding mechanism (3) specifically includes a feeding table (31), a driver (32) and a synchronous belt (33), and the synchronous belt (33) is provided with a material blocking plate (34) at intervals.

4. A frame punching device according to claim 3, characterized in that: The feeding table (31) is further provided with a positioning mechanism (7), which is arranged between the synchronous belt (33) and the main frame (41), and comprises a positioning frame (71), a motor (72), a driving wheel set (73) and a driven wheel set (74). The motor (72) is arranged on the positioning frame (71), and the driving wheel set (73) and the driven wheel set (74) are arranged on the two sides of the positioning frame (71) respectively. The output end of the motor (72) drives the driving wheel set (73) to rotate. The driving wheel set (73) comprises two groups of rollers (78), and the two groups of rollers (78) are meshed with each other. The driven wheel set (74) is specifically two groups of bearings. The vehicle frame short pipe (1) rotates between the driving wheel set (73) and the driven wheel set (74).

5. A frame punching device according to claim 4, characterized in that: The positioning mechanism (7) further comprises a limiting assembly, which comprises a support (75), a cylinder five (76), a connecting rod (77) and a roller (78). The support (75) is arranged on one side of the positioning frame (71). The cylinder five (76) is arranged obliquely on the support (75). The output end of the cylinder five (76) is hinged to the waist of the connecting rod (77). One end of the connecting rod (77) is hinged to the support (75), and the other end of the connecting rod (77) is rotatably connected to the roller (78).

6. A frame punching device according to claim 1, characterized in that: The workbench (2) is provided with a material returning groove (8), which is arranged between the cushion block (44) and the positioning column (45).

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