Screw machine with moving buffering function

Abstract

The utility model discloses a screw machine with a moving buffering function, which belongs to the technical field of mechanical equipment and comprises a working table, a support is arranged on one side of the working table, a first sliding rail is arranged in the middle of the working table perpendicular to the support, and an operating table capable of moving freely is mounted on the first sliding rail. A transverse moving structure is installed on the support, a vertical moving structure is installed on the transverse moving structure, the transverse moving structure is in linkage with the vertical moving structure, a three-sliding-block air suction structure is installed on the vertical moving structure, and an electric screwdriver is installed on the three-sliding-block air suction structure. A suction nozzle used for grabbing screws is installed on the electric screwdriver, and a negative pressure detector is installed in the suction nozzle.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a screw machine with a mobile buffer function. Background Art

[0002] With the development of the electronics industry, the shapes and structures of electronic products are becoming more and more complex, and the requirements for structural firmness are high. Therefore, more screws are used in electronic products for fastening. However, some electronic products have complex internal structures, small spaces, and deep positions to be fastened. It is difficult to distinguish the screw hole positions and fastening effects when fastening screws manually. Therefore, more efficient and reliable automatic screw locking machines have emerged. However, the inertia and wear caused by the start and stop of existing screw machines during long-term use can easily affect the gripping effect of the screws, which can easily cause the screws to fall off. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model provides a screw machine with a mobile buffering function. The first buffer structure cooperates with the second buffer structure, and the compression spring of the first buffer structure absorbs the kinetic energy acting on the first mounting seat when the driving cylinder is initially started, which can solve the problem of unstable driving force of the driving cylinder at the initial start-up and realize the stable downward movement of the electric screwdriver. The compression spring of the second buffer structure can absorb the impact force during the installation and picking up of the screws, which can effectively reduce the inertia of the screws caused by the start and stop of the equipment and prevent the screws from falling off.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A screw machine with a mobile buffering function comprises a workbench, a bracket is provided on one side of the workbench, a first slide rail is provided in the middle of the workbench perpendicular to the bracket, a freely movable operating table is installed on the first slide rail, a lateral moving structure is installed on the bracket, a vertical moving structure is installed on the lateral moving structure, the lateral moving structure is linked with the vertical moving structure, a three-slider suction structure is installed on the vertical moving structure, an electric screwdriver is installed on the three-slider suction structure, a suction nozzle for grabbing screws is installed on the electric screwdriver, and a negative pressure detector is installed in the suction nozzle.

[0006] Preferably, the transverse moving structure has the same structure as the vertical moving structure, including a moving track, one end of which is connected to a driving assembly, a freely movable moving seat is installed on the moving track, the vertical moving structure is fixedly installed on the moving seat of the transverse moving structure, the three-slider suction structure is fixedly installed on the moving seat of the longitudinal moving structure, and the driving assembly of the transverse moving structure is linked to the driving assembly of the vertical moving structure.

[0007] Preferably, the three-slider air suction structure comprises a connecting plate fixedly mounted on the moving seat of the longitudinal moving structure, a mounting plate fixedly mounted on the connecting plate, a vertical slide rail mounted in the middle of the mounting plate, an upper slide block, a middle slide block and a lower slide block which can move freely are mounted on the vertical slide rail in sequence, an electric screwdriver bracket is fixedly mounted on one end of the middle slide block close to the lower slide block, an electric screwdriver is fixedly mounted on the electric screwdriver bracket, a nozzle bracket is fixedly mounted on one end of the lower slide block away from the middle slide block, a nozzle is connected to the movable end of the electric screwdriver, and the nozzle is rotatably mounted on the nozzle bracket, a first mounting seat is fixedly mounted on the upper slide block, a second mounting seat is mounted on the middle slide block, a third mounting seat is mounted on the lower slide block, a first buffer assembly is provided between the first mounting seat and the second mounting seat, and a second buffer assembly is provided between the second mounting seat and the third mounting seat;

[0008] An auxiliary driving assembly matched with the first mounting seat is installed on the mounting plate on one side of the vertical slide rail.

[0009] Preferably, the first buffer assembly includes two freely movable bare screws inserted on the first mounting seat, the two bare screws are symmetrically distributed on both sides of the vertical slide rail, one end of the bare screw passes through the first mounting seat thread and is installed on the second mounting seat, and a compression spring is installed on the bare screw between the first mounting seat and the second mounting seat.

[0010] Preferably, the second buffer assembly includes an auxiliary mounting seat fixedly mounted on one end of the lower slider close to the middle slider, a freely movable bare screw is inserted into the auxiliary mounting seat, one end of the bare screw passes through the auxiliary mounting seat and is threadedly mounted on the second mounting seat, a compression spring is mounted on the bare screw between the auxiliary mounting seat and the second mounting seat, and the bare screw is located directly above the vertical slide rail.

[0011] Preferably, the auxiliary drive assembly includes a first drive bracket fixedly mounted on the upper end of the mounting plate, a second drive bracket fixedly mounted on the mounting plate between the first mounting seat and the second mounting seat, a drive cylinder fixedly mounted on the first drive bracket, a buffer fixedly mounted between the second drive bracket and the first mounting seat, a floating joint correspondingly mounted on the side of the first mounting seat away from the buffer, the floating joint is connected to an adjusting rod, and the adjusting rod is fixedly connected to the movable end of the drive cylinder passing through the first drive bracket.

[0012] Preferably, a stopper parallel to each other is provided at the lower end of the mounting plate, and concave steps cooperating with the stopper are provided on both sides of the lower end of the third mounting seat, and the stopper cooperating with the third mounting seat is used to limit the downward movement distance of the third mounting seat to prevent the lower slide block from detaching from the vertical slide rail.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. In the utility model, the vertical moving structure cooperates with the three-slider air suction structure to realize secondary movement in the vertical direction, the vertical moving structure is used for rapid movement in the vertical direction, and the three-slider air suction structure is used for precise movement in the vertical direction, which can effectively improve the efficiency of screw grabbing and installation;

[0015] 2. The utility model uses the first buffer structure to cooperate with the second buffer structure, and uses the compression spring of the first buffer structure to absorb the kinetic energy acting on the first mounting seat when the driving cylinder is initially started, which can solve the problem of unstable driving force of the driving cylinder at the initial start, and realize the stable downward movement of the electric screwdriver. The compression spring of the second buffer structure can absorb the impact force when installing and picking up the screws, which can effectively reduce the inertia of the screws caused by the start and stop of the equipment and prevent the screws from falling off;

[0016] 3. In the utility model, the rigid connection between the first mounting seat and the driving cylinder is replaced by a flexible connection through the design of a buffer, which can not only balance the driving force of the driving cylinder on the first mounting seat, avoiding the first mounting seat from being offset due to force on one side, but also avoiding the first mounting seat from being deformed due to excessive force. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a screw machine with a mobile buffer function according to the utility model;

[0018] Figure 2 It is a structural schematic diagram of a lateral moving structure of a screw machine with a moving buffer function according to the utility model;

[0019] Figure 3 The utility model is a structural schematic diagram of a vertical moving structure of a screw machine with a moving buffer function.

[0020] In the figure: 1-workbench, 2-bracket, 3-first slide rail, 4-operating table, 5-lateral moving structure, 6-vertical moving structure, 7-three-slider suction structure, 8-electric screwdriver, 9-nozzle, 501-moving track, 502-moving seat, 503-driving assembly, 701-connecting plate, 702-mounting plate, 703-vertical slide rail, 704-upper slider, 705-middle slider, 706-lower slider, 707-electric screwdriver bracket, 708-nozzle bracket, 709-first mounting seat, 710-second mounting seat, 711-third mounting seat, 712-bare screws, 713-compression spring, 714-first driving bracket, 715-second driving bracket, 716-driving cylinder, 717-buffer, 718-floating joint, 719-adjusting rod. DETAILED DESCRIPTION

[0021] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0022] like Figure 1-3 A screw machine with a mobile buffering function is shown, comprising a workbench 1, a bracket 2 is provided on one side of the workbench 1, a first slide rail 3 is provided in the middle of the workbench 1 perpendicular to the bracket 2, a freely movable operating table 4 is installed on the first slide rail 3 for placing the product to be processed, a lateral moving structure 5 is installed on the bracket 2, a vertical moving structure 6 is installed on the lateral moving structure 5, the lateral moving structure 5 is linked with the vertical moving structure 6, a three-slider suction structure 7 is installed on the vertical moving structure 6, an electric screwdriver 8 is installed on the three-slider suction structure 7, a suction nozzle 9 for grabbing screws is installed on the electric screwdriver 8, and the secondary movement in the vertical direction can be achieved by cooperating with the vertical moving structure 6 and the three-slider suction structure 7. The vertical moving structure 6 is used to quickly move in the vertical direction, and the three-slider suction structure 7 is used to accurately move in the vertical direction, which can effectively improve the efficiency of grabbing and installing screws.

[0023] The structure of the transverse moving structure 5 is the same as that of the vertical moving structure 6, including a moving track 501, one end of which is connected to a driving component 503, a freely movable moving seat 502 is installed on the moving track 501, the vertical moving structure 6 is fixedly installed on the moving seat 502 of the transverse moving structure 5, and the three-slider suction structure 7 is fixedly installed on the moving seat 502 of the longitudinal moving structure. The driving component 503 of the transverse moving structure 5 is linked with the driving component 503 of the vertical moving structure 6, and the linkage design can realize simultaneous movement in the horizontal and vertical directions, which is beneficial to improving the movement efficiency, and the moving guide rail is set as a lead screw.

[0024] The three-slider air suction structure 7 comprises a connecting plate 701 fixedly mounted on the moving seat 502 of the longitudinal moving structure, a mounting plate 702 is fixedly mounted on the connecting plate 701, a vertical slide rail 703 is mounted in the middle of the mounting plate 702, an upper slider 704, a middle slider 705 and a lower slider 706 which can move freely are sequentially mounted on the vertical slide rail 703, an electric screwdriver bracket 707 is fixedly mounted on one end of the middle slider 705 close to the lower slider 706, an electric screwdriver 8 is fixedly mounted on the electric screwdriver bracket 707, and the lower slider 70 A nozzle bracket 708 is fixedly installed at one end away from the middle slider 705, a nozzle 9 is connected to the movable end of the electric screwdriver 8, and the nozzle 9 is rotatably installed on the nozzle bracket 708. A first mounting seat 709 is fixedly installed on the upper slider 704, a second mounting seat 710 is installed on the middle slider 705, and a third mounting seat 711 is installed on the lower slider 706. A first buffer assembly is provided between the first mounting seat 709 and the second mounting seat 710, and a second buffer assembly is provided between the second mounting seat 710 and the third mounting seat 711;

[0025] An auxiliary driving assembly 503 matching with the first mounting seat 709 is mounted on the mounting plate 702 on one side of the vertical slide rail 703 .

[0026] The first buffer component includes two freely movable bare screws 712 inserted on the first mounting seat 709, and the two bare screws 712 are symmetrically distributed on both sides of the vertical slide rail 703. One end of the bare screw 712 passes through the first mounting seat 709 and is threadedly installed on the second mounting seat 710. A compression spring 713 is mounted on the bare screw 712 between the first mounting seat 709 and the second mounting seat 710; the second buffer component includes an auxiliary mounting seat fixedly installed on the lower slider 706 near one end of the middle slider 705, and a freely movable bare screw 712 is inserted on the auxiliary mounting seat, and one end of the bare screw 712 passes through the auxiliary mounting seat The seat thread is installed on the second mounting seat 710, and the bare screw 712 between the auxiliary mounting seat and the second mounting seat 710 is provided with a compression spring 713, and the bare screw 712 is located directly above the vertical slide rail 703; the first buffer structure is coordinated with the second buffer structure, and the compression spring 713 of the first buffer structure is used to absorb the kinetic energy acting on the first mounting seat 709 when the driving cylinder 716 is initially started, which can solve the problem of unstable driving force of the driving cylinder 716 at the initial start, and realize the stable downward movement of the electric screwdriver 8. The compression spring 713 of the second buffer structure can absorb the impact force during the installation and picking up of the screws, which can effectively reduce the inertia of the screws caused by the start and stop of the equipment and prevent the screws from falling off.

[0027] The auxiliary drive assembly 503 includes a first drive bracket 714 fixedly mounted on the upper end of the mounting plate 702, a second drive bracket 715 fixedly mounted on the mounting plate 702 between the first mounting seat 709 and the second mounting seat 710, a drive cylinder 716 fixedly mounted on the first drive bracket 714, and a buffer 717 fixedly mounted between the second drive bracket 715 and the first mounting seat 709. Through the design of the buffer 717, the rigid connection between the first mounting seat 709 and the drive cylinder 716 is replaced by a flexible connection, which can balance the driving force of the drive cylinder 716 on the first mounting seat 709 and avoid the first mounting seat 709 from being offset due to force on one side, and avoid the first mounting seat 709 from being deformed due to excessive force. A floating joint 718 is correspondingly installed on the side of the first mounting seat 709 away from the buffer 717, and the floating joint 718 is connected to an adjusting rod 719, and the adjusting rod 719 is fixedly connected to the movable end of the drive cylinder 716 passing through the first drive bracket 714.

[0028] The lower end of the mounting plate 702 is provided with mutually parallel stoppers, and the lower ends of the third mounting seat 711 are provided with concave steps matching with the stoppers on both sides, and the stoppers matching with the third mounting seat 711 are used to limit the downward movement distance of the third mounting seat 711 to prevent the lower slider 706 from disengaging from the vertical slide rail 703.

[0029] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A screw machine with mobile buffer function, characterized in that: It includes a workbench, a bracket is provided on one side of the workbench, a first slide rail is provided in the middle of the workbench perpendicular to the bracket, a freely movable operating table is installed on the first slide rail, a lateral moving structure is installed on the bracket, a vertical moving structure is installed on the lateral moving structure, the lateral moving structure is linked with the vertical moving structure, a three-slider suction structure is installed on the vertical moving structure, an electric screwdriver is installed on the three-slider suction structure, a suction nozzle for grabbing screws is installed on the electric screwdriver, and a negative pressure detector is installed in the suction nozzle.

2. A screw machine with mobile buffering function according to claim 1, characterized in that: The structure of the transverse moving structure is the same as that of the vertical moving structure, including a moving track, one end of which is connected to a driving component, a freely movable moving seat is installed on the moving track, the vertical moving structure is fixedly installed on the moving seat of the transverse moving structure, the three-slider suction structure is fixedly installed on the moving seat of the vertical moving structure, and the driving component of the transverse moving structure is linked with the driving component of the vertical moving structure.

3. A screw machine with mobile buffering function according to claim 2, characterized in that: The three-slider air suction structure comprises a connecting plate fixedly mounted on the moving seat of the vertical moving structure, a mounting plate fixedly mounted on the connecting plate, a vertical slide rail mounted in the middle of the mounting plate, an upper slide block, a middle slide block and a lower slide block which can move freely are sequentially mounted on the vertical slide rail, an electric screwdriver bracket is fixedly mounted on one end of the middle slide block close to the lower slide block, an electric screwdriver is fixedly mounted on the electric screwdriver bracket, a nozzle bracket is fixedly mounted on one end of the lower slide block away from the middle slide block, a nozzle is connected to the movable end of the electric screwdriver, and the nozzle is rotatably mounted on the nozzle bracket, a first mounting seat is fixedly mounted on the upper slide block, a second mounting seat is mounted on the middle slide block, and a third mounting seat is mounted on the lower slide block, a first buffer assembly is provided between the first mounting seat and the second mounting seat, and a second buffer assembly is provided between the second mounting seat and the third mounting seat; An auxiliary driving assembly matched with the first mounting seat is mounted on the mounting plate at one side of the vertical slide rail.

4. A screw machine with a mobile buffering function according to claim 3, characterized in that: The first buffer assembly includes two freely movable bare screws inserted on the first mounting seat, and the two bare screws are symmetrically distributed on both sides of the vertical slide rail. One end of the bare screw passes through the first mounting seat thread and is installed on the second mounting seat. A compression spring is installed on the bare screw between the first mounting seat and the second mounting seat.

5. The screw machine with mobile buffer function according to claim 3 is characterized in that: The second buffer assembly includes an auxiliary mounting seat fixedly mounted on one end of the lower slider close to the middle slider, a freely movable bare screw is inserted into the auxiliary mounting seat, one end of the bare screw passes through the auxiliary mounting seat and is threadedly mounted on the second mounting seat, a compression spring is mounted on the bare screw between the auxiliary mounting seat and the second mounting seat, and the bare screw is located directly above the vertical slide rail.

6. The screw machine with mobile buffer function according to claim 3, characterized in that: The auxiliary drive assembly includes a first drive bracket fixedly mounted on the upper end of the mounting plate, a second drive bracket fixedly mounted on the mounting plate between the first mounting seat and the second mounting seat, a drive cylinder fixedly mounted on the first drive bracket, a buffer fixedly mounted between the second drive bracket and the first mounting seat, a floating joint correspondingly mounted on the side of the first mounting seat away from the buffer, the floating joint is connected to an adjusting rod, and the adjusting rod is fixedly connected to the movable end of the drive cylinder passing through the first drive bracket.

7. The screw machine with mobile buffer function according to claim 3, characterized in that: The lower end of the mounting plate is provided with mutually parallel stoppers, and both sides of the lower end of the third mounting seat are provided with concave steps matched with the stoppers. The stoppers matched with the third mounting seat are used to limit the downward movement distance of the third mounting seat.

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