Automatic table leg assembling equipment

Abstract

The utility model relates to the field of table body machining and manufacturing, in particular to automatic table leg assembling equipment which comprises a workbench. The upper conveying unit is arranged on the workbench and used for conveying the foot bottom plate to an assembly position; a conveying groove is formed in the surface of the workbench, and the lower conveying unit is contained in the conveying groove; a transfer unit; and the rotary installation unit is installed on the workbench and located below the assembly position. Through cooperative arrangement of the upper conveying unit, the lower conveying unit, the transfer unit and the rotary mounting unit, the foot soles are conveyed to the assembly position through the upper conveying unit, the foot pads are conveyed to the assembly position through the lower conveying unit, the transfer unit can transfer the foot soles to the assembly position, and at the moment, the foot pads are located below the foot soles; according to the table leg automatic assembling device, the assembling efficiency is effectively improved, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of table body processing and manufacturing, and in particular to a table leg automatic assembly device. BACKGROUND

[0002] The table leg is specifically installed at the end of the table leg away from the table board, the pressure received by the table board is transmitted to the table leg, and then transmitted to the supporting surface through the table leg, the table leg is mainly composed of a foot bottom plate and a foot pad, the foot pad is installed on the side of the foot bottom plate facing the supporting surface and slightly protrudes outward, and directly contacts the supporting surface, thereby playing a buffering role.

[0003] In the related art, the following connection mode is adopted between the foot pad and the foot bottom plate: at least one threaded hole is formed on the surface of the foot bottom plate, the threaded hole extends along the height direction of the foot bottom plate, a screw rod is integrally formed on the foot pad, the screw rod is matched with the threaded hole, so as to spin the foot pad and the foot bottom plate into one body. The related art has the problem that the spin work of the foot pad is mainly completed manually by workers, which is complicated and time-consuming, even if a machine is used for spin, the workers still need to manually position the foot bottom plate or the foot pad, which wastes manpower and resources. SUMMARY

[0004] In order to improve the assembly efficiency of the table leg, the present application provides a table leg automatic assembly device.

[0005] The table leg automatic assembly device provided by the present application adopts the following technical scheme:

[0006] A table leg automatic assembly device, the table leg is composed of a foot bottom plate and a foot pad, the foot pad is spin-mounted on the foot bottom plate, and the table leg automatic assembly device comprises

[0007] A workbench for providing support for each unit, the workbench is provided with an assembly position;

[0008] An upper conveying unit arranged on the workbench and used for conveying the foot bottom plate to the assembly position;

[0009] A lower conveying unit, a conveying groove is formed on the surface of the workbench, the lower conveying unit is accommodated in the conveying groove, and is used for conveying the foot pad to the assembly position;

[0010] A transfer unit arranged between the upper conveying unit and the lower conveying unit;

[0011] A spin mounting unit installed on the workbench and located below the assembly position.

[0012] Optionally, the workbench is provided with an assembly groove and a driving cavity, the assembly groove is located at the end of the lower conveying unit and communicates with the conveying groove, the driving cavity is arranged below the assembly groove and communicates with the assembly groove, the screwing unit is arranged in the driving cavity, the screwing unit has a driving end capable of rotating feeding, and the driving end faces the assembly groove.

[0013] Optionally, the upper end of the assembly groove is formed with an installation groove extending outward, a limiting piece is arranged in the installation groove, a first driver is arranged on the workbench, and the limiting piece is arranged on the telescopic end of the first driver, so that the limiting piece can move towards the center of the assembly groove or away from the center of the assembly groove.

[0014] Optionally, one side of the limiting piece facing the assembly groove is arc-shaped to match the part of the outer shape of the foot pad.

[0015] Optionally, the workbench is further provided with a positioning unit, the positioning unit comprises a positioning plate and a second driver, a plurality of positioning plates and a plurality of second drivers are arranged, each positioning plate is arranged on the telescopic end of each second driver, so that each positioning plate can move towards the assembly position or away from the assembly position, and a lubricating oil pad is attached to the surface of the positioning plate.

[0016] Optionally, the screwing unit comprises:

[0017] a linear displacement module arranged in the driving cavity;

[0018] a rotating module arranged on the linear displacement module, and the linear displacement module drives the rotating module to move up and down;

[0019] a claw arranged on the driving end of the rotating module, and the claw cooperates with the foot pad.

[0020] Optionally, the output conveying unit is further arranged, the output conveying unit and the upper conveying unit are arranged on the same plane and are spaced apart, and the transfer unit is arranged between the output conveying unit and the upper conveying unit, and the transfer unit can transfer the table leg at the assembly position to the output conveying unit.

[0021] Optionally, the transfer unit comprises:

[0022] a cross slide module arranged on the workbench and located on one side of the upper conveying unit, a horizontal part of the cross slide module extends from the upper conveying unit to the output conveying unit, and a vertical part of the cross slide module extends from the upper conveying unit to the lower conveying unit;

[0023] a mechanical hand arranged on the moving end of the cross slide module, and the mechanical hand is used for clamping and loosening the foot plate.

[0024] To sum up, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By the cooperation of the upper conveying unit, the lower conveying unit, the transfer unit and the screwing unit, the foot plate is conveyed to the assembly position by the upper conveying unit, the foot pad is conveyed to the assembly position by the lower conveying unit, the transfer unit can transfer the foot plate to the assembly position, at this time the foot pad is located below the foot plate, the screwing unit screws the foot pad onto the foot plate, thereby completing the automatic assembly of the table leg, and the device effectively improves the assembly efficiency and saves manpower;

[0026] 2. By the setting of the positioning unit, the position of the foot plate can be corrected and fixed before screwing, preventing the mispositioning of the foot plate and the foot pad, and ensuring that the foot pad is successfully screwed onto the foot plate; the cooperation of the limiting piece and the first driver can limit the position of the foot pad during screwing, avoiding the deviation of the foot pad to other directions. In addition, during screwing, the screw rod part of the foot pad contacts the lubricating oil pad to lubricate the screw rod, improving the screwing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a partial front view structural schematic diagram of an embodiment of the present application.

[0028] Figure 2 is a partial top view structural schematic diagram of an embodiment of the present application.

[0029] Figure 3 is Figure 1 is an enlarged schematic diagram of the structure at A in FIG. 6;

[0030] Figure 4 is a partial side view structural schematic diagram of an embodiment of the present application.

[0031] Reference signs: 1, workbench; 2, upper conveying unit; 3, lower conveying unit; 4, transfer unit; 41, cross slide module; 42, mechanical hand; 5, screwing unit; 51, linear displacement module; 52, rotation module; 53, claw; 6, limiting piece; 7, first driver; 8, positioning unit; 81, positioning plate; 82, second driver; 9, output conveying unit. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.

[0033] An embodiment of the present application discloses a table leg automatic assembly equipment, the table leg is composed of a foot plate and a foot pad, wherein a threaded hole along the height direction is formed on one face of the foot plate, and a screw rod is arranged on the face of the foot pad facing the foot plate. Referring to Figure 1The table leg automatic assembly equipment comprises a workbench 1 and a lower conveying unit 3, a conveying groove is formed on the working surface of the workbench 1, the lower conveying unit 3 is arranged in the conveying groove, the foot pad is arranged with one end of the screw rod upward, so that the foot pad has a larger contact surface with the lower conveying unit 3, an assembly position is arranged on the working surface, the assembly position is located at the output end of the lower conveying unit 3, an assembly groove is formed at the assembly position, the assembly groove is communicated with the conveying groove, and the foot pad is directly conveyed into the assembly groove by the lower conveying unit 3.

[0034] The workbench 1 is further provided with an upper conveying unit 2, the upper conveying unit 2 is located above the working surface, the foot plate is conveyed on the upper conveying unit 2, and the conveying direction is parallel to the lower conveying unit 3. Similarly, the output end of the upper conveying unit 2 is close to the assembly position, when the foot plate is conveyed to the end of the upper conveying unit 2, a transfer unit 4 is further arranged on the workbench 1, the transfer unit 4 can transfer the foot plate at the end of the upper conveying unit 2 to the assembly position, at this time, the surface of the foot plate is in contact with the working surface, and the foot pad in the assembly groove is just located below the foot plate. It can be understood that when the foot plate is located at the assembly position, the surface provided with the threaded hole should face the working surface, so that the screw rod part of the foot pad corresponds to the threaded hole, so as to facilitate the subsequent screwing work.

[0035] Specifically, a driving cavity is further formed in the workbench 1, the driving cavity is communicated with the assembly groove, a screwing unit 5 is arranged in the driving cavity, the screwing unit 5 has a driving end which can rotate and feed upward, the foot pad in the assembly groove can be in contact with the driving end, and the foot pad can be driven to rotate and feed upward by the friction or convex cooperation between the two, so as to complete the assembly action.

[0036] The screwing unit 5 can adopt the following structure: the screwing unit 5 comprises a linear displacement module 51, a rotating module 52 and a clamping jaw 53, wherein the linear displacement module 51 is arranged on one side of the driving cavity, the rotating module 52 is arranged on the displacement end of the linear displacement module 51, and the clamping jaw 53 is arranged on the rotating end of the rotating module 52. The upward feeding action is realized by the linear displacement module 51, and the rotating action is realized by the rotating module 52. The linear displacement module 51 and the rotating module 52 both adopt conventional technologies, and the specific structure and working principle thereof will not be described here.

[0037] Further, an installation groove is further arranged at one end of the assembly groove close to the working surface, a first driver 7 is fixedly installed in the installation groove, a limiting piece 6 is installed at the output end of the first driver 7, the first driver 7 can drive the limiting piece 6 to move horizontally towards the center of the assembly groove. The side of the limiting piece 6 facing the assembly groove is arc-shaped and matched with the screw part of the foot pad, when the first driver 7 drives the limiting piece 6 to move towards the center of the assembly groove, the limiting piece 6 can limit the screw part, avoiding the screw part from shaking during the upward screwing process. In addition, in order to improve the screwing efficiency and reduce the friction of the screw part during the screwing process, a lubricating oil pad is adhered to the arc-shaped surface of the limiting piece 6, the lubricating oil pad is in contact with the screw part, and a small amount of lubricating oil is coated on the surface of the screw part during the screwing process, thereby reducing the friction.

[0038] Referring to Figure 2 A positioning unit 8 is further arranged on the working surface of the workbench 1, the positioning unit 8 comprises a plurality of positioning plates 81 and a plurality of second drivers 82, each second driver 82 corresponds to one positioning plate 81, the second driver 82 drives the positioning plate 81 to move horizontally in a plane parallel to the working surface, so that the positioning plate 81 moves towards or away from the assembly position. When the foot plate is transferred to the assembly position, the plurality of second drivers 82 act synchronously to move the plurality of positioning plates 81 towards the assembly position and contact the outer surface of the foot plate, thereby correcting and clamping the position of the foot plate, and then the screwing unit 5 is started to complete the screwing, after the screwing is completed, the second drivers 82 drive the positioning plates 81 to retreat synchronously, so that the assembled table leg assembly can be removed. The first driver 7 and the second driver 82 can both be a driving cylinder or other driving elements capable of completing corresponding actions, which are not limited here.

[0039] Referring to Figure 4 An output conveying unit 9 is further arranged above the workbench 1, the output conveying unit 9 is in the same plane as the upper conveying unit 2 and is spaced apart, the transfer unit 4 is arranged between the output conveying unit 9 and the upper conveying unit 2, the transfer unit 4 can transfer the foot plate at the end of the upper conveying unit 2 to the assembly position, and can also transfer the table leg that has completed the screwing at the assembly position to the output conveying unit 9, the output conveying unit 9 is used to transmit the table leg to the next process.

[0040] Specifically, the above conveying unit 2, the lower conveying unit 3 and the output conveying unit 9 can all adopt a synchronous belt conveying module, which belongs to the prior art, and its specific structure is not described herein. The transfer unit 4 comprises a cross slide module 41 and a mechanical hand 42, wherein the cross slide module 41 further comprises a horizontal linear module and a vertical linear module, the horizontal linear module extends from the output end of the upper conveying unit 2 to the input end of the output conveying unit 9, and the vertical linear module extends from the output end of the upper conveying unit 2 to the assembly position. The mechanical hand 42 is installed at the driving end of the cross slide module 41, so that the mechanical hand 42 can be horizontally and vertically displaced, the mechanical hand 42 clamps the foot plate, and the cross slide module 41 drives the transfer of the foot plate. The mechanical hand 42 specifically adopts a clamping type mechanical hand 42, and its specific structure belongs to the prior art, which is not described herein.

[0041] The implementation principle of the table leg automatic assembly equipment according to an embodiment of the present application is as follows: first, the foot plate enters the input end of the upper conveying unit 2 and is conveyed to the output end, when reaching the output end, the mechanical hand 42 clamps the foot plate, at the same time, the cross slide module 41 drives the horizontal displacement of the mechanical hand 42, so that the foot plate is staggered with the upper conveying unit 2, then the cross slide module 41 drives the vertical downward displacement of the mechanical hand 42, so that the foot plate is transferred to the assembly position, then the mechanical hand 42 releases the foot plate; at the same time, the foot pad enters the lower conveying unit 3, the lower conveying unit 3 conveys the foot pad to the assembly groove, at this time, the foot pad and the foot plate are in corresponding positions, then the second driver 82 is started to drive the positioning plate 81 to clamp the foot plate, then the rotation assembly unit 5 is started to drive the claw 53 to feed upward while rotating, the foot pad is fed upward while rotating, at the same time, the first driver 7 drives the limiting piece 6 to extend, so that the limiting piece 6 contacts the screw part of the foot pad to limit the position of the screw, when the foot pad is about to be rotated and assembled, the first driver 7 drives the limiting piece 6 to move away, and finally the rotation assembly action is completed. After the rotation assembly is completed, the second driver 82 drives the positioning plate 81 to move away from the foot plate, the mechanical hand 42 re-clamps the foot plate, and the cross slide module 41 transfers the assembled table leg to the output conveying unit 9, and conveys the table leg to the subsequent process.

[0042] The above are preferred embodiments of the present application, but do not limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A table leg automatic assembly apparatus, a table leg being composed of a leg bottom plate and a leg pad, the leg pad being screwed to the leg bottom plate, characterized in that, It includes: Workbench (1) provides support for each unit, the workbench (1) has an assembly position; The upper conveying unit (2) is provided on the workbench (1) and is used for conveying the foot plate to the assembly position; The lower conveying unit (3) is provided on the workbench (1) and is used for conveying the foot pad to the assembly position; The transfer unit (4) is arranged between the upper conveying unit (2) and the lower conveying unit (3); The spin unit (5) is installed on the workbench (1) and located below the assembly position.

2. The table leg automatic assembly equipment according to claim 1, characterized in that: The workbench (1) is provided with an assembly slot and a driving cavity, the assembly slot is located at the end of the lower conveying unit (3) and communicates with the conveying slot, the driving cavity is arranged below the assembly slot and communicates with the assembly slot, the spin unit (5) is arranged in the driving cavity, the spin unit (5) has a driving end which can rotate and feed, and the driving end faces the assembly slot.

3. The table leg automatic assembly equipment according to claim 2, characterized in that: The upper end of the assembly slot is formed with an installation slot which expands outward, the installation slot is provided with a limiting piece (6), the workbench (1) is provided with a first driver (7), and the limiting piece (6) is arranged on the telescopic end of the first driver (7), so that the limiting piece (6) can move towards or away from the center of the assembly slot.

4. The table leg automatic assembly equipment according to claim 3, characterized in that: The side of the limiting piece (6) facing the assembly slot is arc-shaped to match the part of the outer shape of the foot pad.

5. The table leg automatic assembly equipment according to claim 1, characterized in that: The workbench (1) is also provided with a positioning unit (8), the positioning unit (8) includes a positioning plate (81) and a second driver (82), and a plurality of positioning plates (81) and second drivers (82) are arranged, each positioning plate (81) is arranged on the telescopic end of each second driver (82), so that each positioning plate (81) can move towards or away from the assembly position, and the surface of the positioning plate (81) is adhered with a lubricating oil pad.

6. The table leg automatic assembly equipment according to claim 2, characterized in that The spin unit (5) includes: A linear displacement module (51) is arranged in the driving cavity; A rotating module (52) is arranged on the linear displacement module (51), and the linear displacement module (51) drives the rotating module (52) to move up and down; A claw (53) is arranged on the driving end of the rotating module (52), and the claw (53) cooperates with the foot pad.

7. The table leg automatic assembly device according to any one of claims 1-6, characterized in that, It also includes an output conveying unit (9), the output conveying unit (9) is in the same plane with the upper conveying unit (2) and is distributed at intervals, the transfer unit (4) is arranged between the output conveying unit (9) and the upper conveying unit (2), and the transfer unit (4) can transfer the table leg in the assembly position to the output conveying unit (9).

8. The table leg automatic assembly device according to claim 7, characterized in that, The transfer unit (4) includes: A cross slide module (41) is arranged on the workbench (1) and located on one side of the upper conveying unit (2), the horizontal part of the cross slide module (41) extends from the upper conveying unit (2) to the output conveying unit (9), and the vertical part extends from the upper conveying unit (2) to the lower conveying unit (3); A mechanical hand (42) is installed on the moving end of the cross slide module (41), and the mechanical hand (42) is used for clamping and loosening the foot plate.

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