Multi-station positioning turnover jig

Abstract

The invention provides a multi-station positioning overturning jig which can meet multi-station posture conversion of products, facilitates installation and detection of subsequent products and improves production and assembly efficiency. Comprising a base, an overturning seat and an overturning driving mechanism used for overturning the overturning seat by 90 degrees are arranged on the base, a jig plate used for placing a workpiece to be assembled is arranged on the overturning seat, a forward jacking mechanism used for forward positioning the workpiece to be assembled is arranged on one side of the jig plate, and a reverse jacking mechanism used for forward positioning the workpiece to be assembled is arranged on the other side of the jig plate. A lateral clamping mechanism for laterally clamping and positioning the workpiece to be assembled is arranged on the other side of the jig plate; the overturning base is provided with an X-direction driving mechanism used for driving the lateral clamping mechanism to transversely move along the jig plate and a Y-direction driving mechanism used for driving the forward jacking mechanism to longitudinally move along the jig plate.

Description

Technical Field

[0001] The invention relates to the technical field of electronic product production and assembly, and in particular to a multi-station positioning and flipping fixture. Background Art

[0002] In the production and assembly process of parts and components in some electronic products, such as mobile phones, notebooks, headphones, etc., the initial placement posture of the product materials is inconsistent with the posture required for assembly, so it is necessary to change the posture of the product to meet the assembly production needs. However, the current production and assembly equipment is still relatively lacking in posture change operations at different workstations, and the product cannot be effectively positioned during assembly, which makes it impossible to improve the production and assembly efficiency. Summary of the invention

[0003] In view of the above problems, the present invention provides a multi-station positioning and flipping fixture, which can meet the multi-station posture conversion of products, facilitate the installation and inspection of subsequent products, and improve production and assembly efficiency.

[0004] The present invention adopts the following technical scheme: a multi-station positioning and flipping jig, comprising a base, on which a flip seat and a flip driving mechanism for flipping the flip seat 90 degrees are installed; the flip seat is provided with a jig plate for placing workpieces to be assembled; one side of the jig plate is provided with a positive clamping mechanism for positively positioning the workpieces to be assembled; the other side of the jig plate is provided with a lateral clamping mechanism for laterally clamping and positioning the workpieces to be assembled; the flip seat is provided with an X-axis driving mechanism for driving the lateral clamping mechanism to move horizontally along the jig plate, and a Y-axis driving mechanism for driving the positive clamping mechanism to move longitudinally along the jig plate.

[0005] Furthermore, a plurality of workpiece slots are arranged on the jig plate, the workpieces to be assembled are placed in the workpiece slots, and limit blocks are arranged on the jig plate on both sides of the workpiece slots, and the side surfaces opposite to the limit blocks are arranged as inclined surfaces;

[0006] Furthermore, the base is U-shaped, and the flip drive mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, the reducer is connected to a connecting shaft through a coupling, the connecting shaft passes through the base and is connected to one end of the flip seat, and the other end of the flip seat is rotatably connected to the base;

[0007] Further, the positive tightening mechanism comprises a positive tightening seat, a positive side plate, and a positive cylinder; a positive linear guide is arranged on the positive tightening seat, and the positive side plate is slidably assembled on the positive linear guide; the positive cylinder is fixed to the bottom of the positive side plate, and a fixed block is installed on the positive tightening seat corresponding to the protruding end of the positive cylinder, so that the protruding end of the positive cylinder extends until it contacts the fixed block, pushing the positive side plate to move toward the workpiece slot;

[0008] Furthermore, the forward side plate is provided with a plurality of forward pressing blocks at positions corresponding to the workpiece grooves, and the forward pressing blocks are provided with a first protrusion for pressing the workpiece to be assembled; the forward pressing seat is provided with a limit plate, and a first compression spring is connected between the limit plate and the forward side plate;

[0009] Furthermore, the Y-axis driving mechanism comprises a Y-axis linear guide rail and a lifting cylinder, the lifting cylinder is fixed to the flip seat through a connecting plate, and the protruding end of the lifting cylinder is connected to the positive tightening seat; a Y-axis guide plate is fixed to the flip seat through a connecting block, a slider is mounted on the Y-axis guide plate, a linear plate is fixedly connected to the bottom of the positive tightening seat, the Y-axis linear guide rail is fixed to the linear plate, and the Y-axis linear guide rail and the slider are slidably assembled;

[0010] Furthermore, the flip seat is U-shaped, and the fixture plate is fixed to the top of the flip seat; a fixing plate is connected between the two ends of the flip seat, and a waist-shaped hole is provided on the fixing plate;

[0011] Further, the lateral clamping mechanism comprises a lateral fixing block and a lateral clamping block which are arranged opposite to each other, the lateral fixing block is fixed to the side wall of the jig plate on one side of the workpiece slot, the lateral clamping block is arranged on the other side of the workpiece slot, the lateral clamping block is fixed to the lateral movable plate, a column is fixedly connected to the flip seat, and the lateral movable plate is connected to the column through a second compression spring;

[0012] Furthermore, a transverse linear guide rail is arranged on the fixed plate along the X direction, and the lateral movable plate is slidably assembled on the transverse linear guide rail through a sliding block; a second protrusion is provided on the upper part of the lateral clamping block to cooperate with the lateral fixed block to clamp on the two side surfaces of the workpiece to be assembled, and a third protrusion is provided on the lower part of the lateral fixed block;

[0013] Furthermore, the X-axis driving mechanism includes an X-axis slide rail, a push-pull cylinder, and a push-pull plate. The X-axis slide rail is arranged on the flip seat, the push-pull cylinder is fixed on the flip seat, and the protruding end of the push-pull cylinder is connected to the push-pull plate; the push-pull plate is Z-shaped, and the bottom surface of the push-pull plate is slidably assembled on the X-axis slide rail. The upper end surface of the push-pull plate is toothed, and the toothed portion of the push-pull plate passes through the waist-shaped hole and abuts against the lateral movable plate accordingly; a limiting block is installed on the flip seat, and the limiting block is arranged opposite to the protruding end of the push-pull cylinder.

[0014] The beneficial effect of the present invention is that the jig plate and the workpiece to be assembled thereon can be flipped 90 degrees together through the flipping drive mechanism, and the workpiece to be assembled can be positively positioned and laterally clamped by the forward clamping mechanism and the lateral clamping mechanism respectively, and the X-direction displacement of the lateral clamping mechanism and the Y-direction displacement of the forward clamping mechanism can be respectively realized by the X-direction drive mechanism and the Y-direction drive mechanism, thereby satisfying the posture conversion of the product at different workstations, facilitating the installation and inspection of subsequent products, improving the production assembly efficiency, and having good economic use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention in a tightened state;

[0016] Figure 2 yes Figure 1 A is an enlarged structural diagram;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure after the positive tightening mechanism is hidden in the present invention;

[0018] Figure 4 It is a schematic diagram of the structure after the positive tightening mechanism is hidden in the present invention;

[0019] Figure 5 yes Figure 4 The enlarged structural diagram at B in FIG.

[0020] Figure 6 It is a schematic diagram of the assembly structure of the lateral clamping mechanism in the present invention;

[0021] Figure 7 yes Figure 6 The enlarged structural diagram at C in the figure. DETAILED DESCRIPTION

[0022] like Figure 1 to Figure 7As shown, a multi-station positioning and flipping jig of the present invention comprises a base 1, on which a flip seat 2 and a flip driving mechanism for flipping the flip seat 2 by 90 degrees are mounted, a jig plate 4 for placing a workpiece 3 to be assembled is provided on the flip seat 2, one side of the jig plate 4 is provided with a positive clamping mechanism 5 for positively positioning the workpiece 3 to be assembled, and the other side of the jig plate 4 is provided with a lateral clamping mechanism 6 for laterally clamping and positioning the workpiece 3 to be assembled, and the flip seat 2 is provided with an X-direction driving mechanism 7 for driving the lateral clamping mechanism 6 to move horizontally along the jig plate 4, and a Y-direction driving mechanism 8 for driving the positive clamping mechanism 5 to move longitudinally along the jig plate 4.

[0023] A number of workpiece slots 9 are arranged on the jig plate 4, and the workpieces 3 to be assembled are placed in the workpiece slots 9. Limit blocks 10 are provided on the jig plate 4 on both sides of the workpiece slots 9, and the side surfaces opposite to the limit blocks 10 are set as inclined surfaces; the base 1 is U-shaped, and the flipping drive mechanism includes a servo motor 11 and a reducer 12. The servo motor 11 is connected to the reducer 12, and the reducer 12 is connected to the connecting shaft 14 through a coupling 13. The connecting shaft 14 passes through the base 1 and is connected to one end of the flip seat 2. The other end of the flip seat 2 is rotatably connected to the base 1 through a rotating shaft 15.

[0024] The positive tightening mechanism 5 includes a positive tightening seat 16, a positive side plate 17, and a positive cylinder 18. A positive linear guide 19 is arranged on the positive tightening seat 16, and the positive side plate 17 is slidably assembled on the positive linear guide 19; the positive cylinder 18 is fixed to the bottom of the positive side plate 17, and a fixing block 20 is installed on the positive tightening seat 16 corresponding to the protruding end of the positive cylinder 18, so that the protruding end of the positive cylinder 18 is extended until it contacts the fixing block 20, pushing the positive side plate 17 to move toward the workpiece slot 9;

[0025] The positive side plate 17 is provided with a plurality of positive pressure blocks 21 at positions corresponding to the workpiece grooves 9 , and the positive pressure blocks 21 are provided with first protrusions 22 for tightening the workpiece 3 to be assembled; the positive tightening seat 16 is provided with a limit plate 23 , and a first compression spring 24 is connected between the limit plate 23 and the positive side plate 17 .

[0026] The Y-axis driving mechanism 8 includes a Y-axis linear guide 25 and a lifting cylinder 26. The lifting cylinder 26 is fixed to the flip seat 2 through a connecting plate 27, and the protruding end of the lifting cylinder 26 is connected to the positive tightening seat 16. A Y-axis guide plate 29 is fixed to the flip seat 2 through a connecting block 28, and a slider 30 is installed on the Y-axis guide plate 29. A linear plate 31 is fixedly connected to the bottom of the positive tightening seat 16, and the Y-axis linear guide 25 is fixed on the linear plate 31. The Y-axis linear guide 25 and the slider 30 are slidably assembled.

[0027] The flip seat 2 is U-shaped, and the fixture plate 4 is fixed to the top of the flip seat 2; a fixed plate 32 is connected between the two ends of the flip seat 2, and a waist-shaped hole 33 is provided on the fixed plate 32; the lateral clamping mechanism 6 includes a lateral fixed block 34 and a lateral clamping block 35 which are arranged opposite to each other, the lateral fixed block 34 is fixed on the side wall of the fixture plate 4 on one side of the workpiece slot 9, and the lateral clamping block 35 is arranged on the other side of the workpiece slot 9, and the lateral clamping block 35 is fixed on the lateral movable plate 36, and a column 37 is fixedly connected to the flip seat 2, and the lateral movable plate 36 is connected to the column 37 through a second compression spring 38; a transverse linear guide 39 is arranged on the fixed plate 32 along the X direction, and the lateral movable plate 36 is slidably assembled on the transverse linear guide 39 through a sliding block 40; a second protrusion 41 is provided on the upper part of the lateral clamping block 35 to cooperate with the lateral fixed block 34 to clamp on the two side surfaces of the workpiece 3 to be assembled, and a third protrusion 42 is provided on the lower part of the lateral fixed block 34.

[0028] The X-axis driving mechanism 7 includes an X-axis slide rail 43, a push-pull cylinder 44, and a push-pull plate 45. The X-axis slide rail 43 is arranged on the flip seat 2, the push-pull cylinder 44 is fixed on the flip seat 2, and the protruding end of the push-pull cylinder 44 is connected to the push-pull plate 45; the push-pull plate 45 is Z-shaped, and the bottom surface of the push-pull plate 45 is slidably assembled on the X-axis slide rail 43. The upper end surface of the push-pull plate 45 is toothed, and the toothed portion 46 of the push-pull plate 45 passes through the waist-shaped hole 33 and abuts against the lateral movable plate 36 accordingly; a limiting block 47 is installed on the flip seat 2, and the limiting block 47 is arranged opposite to the protruding end of the push-pull cylinder 44 to limit the release position of the lateral movable plate 36, that is, the push-pull cylinder 44 extends until it contacts the limiting block 47, and the lateral movable plate 36 moves accordingly, so that an installation spacing is left between the lateral fixed block 34 and the lateral clamping block 35 to meet the size of the workpiece 3 to be assembled.

[0029] In addition, a photoelectric sensor 48 is installed on the base 1, and a paddle 49 is fixed at the end of the rotating shaft 15. When the servo motor 11 drives the flip seat 2 to flip, the paddle 49 rotates to a certain angle. The photoelectric sensor 48 can perform photoelectric sensing to obtain the rotation angle of the flip seat 2, thereby achieving accurate flipping position.

[0030] The working principle of the present invention is that after the workpiece 3 to be assembled is placed in the workpiece slot 9, the push-pull cylinder 44 of the X-direction driving mechanism 7 drives the push-pull plate 45 to move in the X-direction, and the toothed portion 46 of the push-pull plate 45 will also move in the X-direction, so that the lateral movable plate 36 can be pushed and pulled in the X-direction, and the extended end of the push-pull cylinder 44 is extended, so that the distance between the lateral fixing block 34 and the lateral clamping block 35 is increased, and the lower part of the workpiece 3 to be assembled can be placed on the third protrusion 42, and then the push-pull cylinder 44 is retracted, then Through the action of the second compression spring 38, the lateral movable plate 36 is reset, and the second protrusion 41 on the lateral clamping block 35 is clamped on one side of the workpiece 3 to be assembled with the reset action, while the other side of the workpiece 3 to be assembled is abutted against the lateral fixing block 34, so that the lateral clamping of the workpiece 3 to be assembled can be achieved; at the same time, when the forward cylinder 18 retracts, the forward side plate 17 can be driven to reset through the action of the first compression spring 24, which is also to facilitate the assembly of the workpiece 3 to be assembled, and when it is needed When the workpiece 3 to be assembled is positively positioned, the positive pressing seat 16 is driven to rise and fall to a suitable height position by the Y-axis driving mechanism 8, and the protruding end of the positive cylinder 18 extends out to abut against the fixed block 20, which can push the positive side plate 17 and the positive pressing block 21 thereon to move toward the front of the workpiece 3 to be assembled, until the first protrusion 22 is pressed against the front of the workpiece 3 to be assembled, thereby realizing the positive pressing positioning of the workpiece 3 to be assembled; at this point, the lateral clamping positioning and positive pressing positioning of the workpiece 3 to be assembled can be completed at a certain station, so as to facilitate the installation and inspection of subsequent products, and then at the next station, it is only necessary to connect the base 1 with the corresponding conveying mechanism (not shown in the figure), so that the base 1 can be conveyed to the corresponding station, and then the flipping drive mechanism is driven to make the flip seat 2 flip at a corresponding angle, and repeat the above positioning action, so as to realize the posture change of the workpiece 3 to be assembled at different stations, further meet the installation and inspection of subsequent products, improve the production assembly efficiency, and have good versatility.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-station positioning and flipping fixture, Features: The invention comprises a base, on which a turning seat and a turning driving mechanism for turning the turning seat 90 degrees are installed, on which a jig plate for placing workpieces to be assembled is provided, one side of the jig plate is provided with a positive tightening mechanism for positively positioning the workpieces to be assembled, and the other side of the jig plate is provided with a positive tightening mechanism for positively positioning the workpieces to be assembled. The lateral clamping mechanism for lateral clamping positioning, the flip seat is provided with an X-direction driving mechanism for driving the lateral clamping mechanism to move horizontally along the fixture plate, and a Y-direction driving mechanism for driving the positive clamping mechanism to move longitudinally along the fixture plate.

2. A multi-station positioning and flipping fixture according to claim 1, Features: A plurality of workpiece slots are arranged on the jig plate, and the workpieces to be assembled are placed in the workpiece slots. Limit blocks are arranged on the jig plate at both sides of the workpiece slots, and the side surfaces opposite to the limit blocks are arranged as inclined surfaces.

3. A multi-station positioning and flipping fixture according to claim 1, Features: The base is U-shaped, and the flipping drive mechanism includes a servo motor and a reducer. The servo motor is connected to the reducer, and the reducer is connected to a connecting shaft through a coupling. The connecting shaft passes through the base and is connected to one end of the flipping seat, and the other end of the flipping seat is rotatably connected to the base.

4. A multi-station positioning and flipping fixture according to claim 2, Features: The positive tightening mechanism includes a positive tightening seat, a positive side plate, and a positive cylinder. A positive linear guide is arranged on the positive tightening seat, and the positive side plate is slidably assembled on the positive linear guide. The positive cylinder is fixed to the bottom of the positive side plate, and a fixed block is installed on the positive tightening seat corresponding to the protruding end of the positive cylinder, so that the protruding end of the positive cylinder extends until it contacts the fixed block, pushing the positive side plate to move toward the workpiece slot.

5. A multi-station positioning and flipping fixture according to claim 4, Features: The positive side plate is provided with a plurality of positive pressure blocks at positions corresponding to the workpiece grooves, and the positive pressure blocks are provided with a first protrusion for tightening the workpiece to be assembled; the positive tightening seat is provided with a limit plate, and a first compression spring is connected between the limit plate and the positive side plate.

6. A multi-station positioning and flipping fixture according to claim 4, Features: The Y-axis driving mechanism includes a Y-axis linear guide and a lifting cylinder. The lifting cylinder is fixed to the flip seat through a connecting plate, and the protruding end of the lifting cylinder is connected to the positive tightening seat. A Y-axis guide plate is fixed to the flip seat through a connecting block, and a slider is installed on the Y-axis guide plate. A linear plate is fixedly connected to the bottom of the positive tightening seat, and the Y-axis linear guide is fixed to the linear plate. The Y-axis linear guide is slidably assembled with the slider.

7. The multi-station positioning and flipping fixture according to claim 2, Features: The flip seat is U-shaped, and the fixture plate is fixed to the top of the flip seat; a fixing plate is connected between the two ends of the flip seat, and a waist-shaped hole is provided on the fixing plate.

8. A multi-station positioning and flipping fixture according to claim 7, Features: The lateral clamping mechanism includes a lateral fixing block and a lateral clamping block which are relatively arranged. The lateral fixing block is fixed to the side wall of the jig plate on one side of the workpiece slot, and the lateral clamping block is arranged on the other side of the workpiece slot. The lateral clamping block is fixed to the lateral movable plate, and a column is fixedly connected to the flip seat, and the lateral movable plate is connected to the column through a second compression spring.

9. A multi-station positioning and flipping fixture according to claim 8, Features: A transverse linear guide rail is arranged along the X direction on the fixed plate, and the lateral movable plate is slidably assembled on the transverse linear guide rail through a sliding block; a second protrusion is provided on the upper part of the lateral clamping block to cooperate with the lateral fixed block to clamp on the two side surfaces of the workpiece to be assembled, and a third protrusion is provided on the lower part of the lateral fixed block.

10. The multi-station positioning and flipping fixture according to claim 8, Features: The X-axis driving mechanism includes an X-axis slide rail, a push-pull cylinder, and a push-pull plate. The X-axis slide rail is arranged on the flip seat, the push-pull cylinder is fixed on the flip seat, and the protruding end of the push-pull cylinder is connected to the push-pull plate; the push-pull plate is Z-shaped, and the bottom surface of the push-pull plate is slidably assembled on the X-axis slide rail. The upper end surface of the push-pull plate is tooth-shaped, and the tooth-shaped portion of the push-pull plate passes through the waist-shaped hole and abuts against the lateral movable plate accordingly; a limiting block is installed on the flip seat, and the limiting block is arranged opposite to the protruding end of the push-pull cylinder.

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