Clamping jig for machining mechanical parts

Abstract

The clamping jig for machining the mechanical parts comprises a base, a servo motor and clamping seats, a sliding groove is formed in the top face of the base, the servo motor is arranged in the center of the sliding groove, the two clamping seats are connected with the sliding groove in a sliding mode, and the servo motor drives the two clamping seats to synchronously move along the sliding groove through a linkage structure. The clamping base comprises a sliding base, a supporting plate and a locking frame, the supporting plate is arranged on the top face of the sliding base, and a plurality of limiting rods are connected to the supporting plate in a sliding mode; according to the clamping jig for machining the mechanical parts, a servo motor drives two clamping seats to clamp a workpiece through a linkage structure, limiting rods on the clamping seats can compress compressed springs after abutting against the workpiece, the limiting rods move outwards along a supporting plate, after the two clamping seats clamp the workpiece, a worker can rotate a screw to enable a locking frame to move downwards along the screw, and then the workpiece is clamped. The through groove of the locking frame can be meshed with the locking tooth sections on the limiting rods through the clamping teeth, and then the positions of the multiple limiting rods are fixed, so that the clamping base clamps the workpiece conveniently, and the clamping stability of the clamping base is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical clamp technology field especially relates to a mechanical part processing is with clamping fixture. BACKGROUND

[0002] Mechanical processing fixture as the production part needing to carry out repeated operation and play the auxiliary role, use mechanical processing fixture is favorable to improve work efficiency, increase product taking and putting pass rate, and guarantee the consistency of product, guarantee stable and reliable to reach each item processing precision requirement, the existing mechanical processing fixture is not good when using the flexibility of the clamping angle adjustment of clamp, and cannot be fast to hold the workpiece of irregular shape, inconvenient to use;

[0003] According to the authorized announcement number CN213319736U discloses a kind of production and processing metal of precision device, including base, the base upper surface is rotatably installed with carousel by shaft, the carousel upper surface both ends are fixedly installed with pneumatic telescopic rod, the piston rod of the pneumatic telescopic rod one end is fixedly connected with clamp, the clamp surface is movably inserted with telescopic rod, and telescopic rod is provided with multiple groups, the telescopic rod bottom is fixedly connected with support spring, and telescopic rod bottom and support spring are located in the inner chamber of clamp, the surface of telescopic rod is all equipped with adjusting groove, the adjusting groove inner chamber is all connected with fixed handle, telescopic rod is pressed into clamp with workpiece contact, and positioning is carried out to telescopic rod by rotating fixed handle, can improve the clamping precision and efficiency of workpiece, but in fact telescopic rod is provided with multiple, fixed handle can only be fixed telescopic rod position with adjacent telescopic rod, therefore, multiple telescopic rods in clamp block cannot be positioned by fixed handle alone, and the stability of telescopic rod clamping is affected. UTILITARIAN CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of mechanical part processing is with clamping fixture's servo motor is driven two clamping seats to clamp workpiece, and the limit rod on clamping seat is compressed pressure spring after being abutted with workpiece, and limit rod moves outward along support plate, after two clamping seats clamp workpiece, staff can rotate screw and make locking frame move downward along screw, the through slot of locking frame can be engaged with the locking tooth segment on limit rod by pawl, to fix the position of multiple limit rods, so that clamping seat clamps workpiece and improves the stability of clamping seat clamping.

[0005] The utility model provides a kind of clamping jig for mechanical parts processing, including base, servo motor and clamping seat, the top surface of the base is provided with sliding slot, the servo motor is arranged in the center position of the sliding slot, two clamping seat are slidably connected with the sliding slot, and the servo motor is driven two clamping seat along sliding slot synchronously by linkage structure, the clamping seat includes slide, support plate and locking frame, the support plate is arranged on the top surface of the slide, a plurality of limit rods are slidably connected on the support plate, the limit rod is connected with the support plate by compression spring, and the top surface of the limit rod is provided with locking tooth segment, the top surface of the support plate is rotatably connected with screw rod, the locking frame is slidably connected with the top of the support plate, and the locking frame is threadedly connected with the screw rod, the locking frame is provided with a plurality of through grooves for the limit rod to pass through, and the top surface of the through groove is provided with catch that can be engaged with the locking tooth segment.

[0006] Preferably, the center of the bottom surface of the sliding slot is provided with a mounting seat, and the servo motor is fixed on the mounting seat.

[0007] Preferably, the linkage mechanism includes a linkage gear and two linkage racks, the linkage gear is connected with the output end of the servo motor, two linkage racks are connected with the sides of the two slides facing each other, and the sides of the two linkage racks facing each other are engaged with the linkage gear, respectively.

[0008] Preferably, a plurality of through holes are provided on the support plate, a plurality of limit rods are slidably connected with the through holes, a connecting ring is provided on the limit rod, and the compression spring is connected with the connecting ring and the support plate, respectively.

[0009] Preferably, a horizontal plate is provided on the top of the side of the support plate opposite to the other support plate, and an opening is provided on the horizontal plate.

[0010] Preferably, an L-shaped plate is provided on the top surface of the locking frame, the vertical part of the L-shaped plate is slidably connected with the opening, and the horizontal part of the L-shaped plate is threadedly connected with the screw rod.

[0011] The utility model has the advantages that the clamping jig for mechanical parts processing cooperates with the base, the servo motor and the clamping seat, so that the servo motor drives the two clamping seats to clamp the workpiece through the linkage structure, the limit rods on the clamping seat compress the compression spring after abutting against the workpiece, and the limit rods move outward along the support plate, after the two clamping seats clamp the workpiece, the operator can rotate the screw rod to move the locking frame downward along the screw rod, the through grooves of the locking frame can be engaged with the locking tooth segments on the limit rods through the catches, thereby fixing the positions of the plurality of limit rods, so as to clamp the workpiece by the clamping seat and improve the stability of the clamping seat. BRIEF DESCRIPTION OF DRAWINGS

[0012] ATTACHED Figure 1 It is a top view of the utility model.

[0013] Appendix Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0014] Appendix Figure 3 This is a schematic diagram of the structure of this utility model;

[0015] Appendix Figure 4 This is a schematic diagram of the clamping structure in this utility model.

[0016] In the diagram: 1. Base, 2. Servo motor, 3. Slide groove, 4. Slide seat, 5. Support plate, 6. Locking frame, 7. Limiting rod, 8. Compression spring, 9. Locking tooth segment, 10. Screw, 11. Through groove, 12. Locking tooth, 13. Mounting seat, 14. Linkage gear, 15. Linkage rack, 16. Through hole, 17. Horizontal plate, 18. Opening, 19. L-shaped plate. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so as to provide a clearer understanding of the technical concept claimed by the present invention.

[0018] like Figures 1 to 4 As shown, a clamping fixture for machining mechanical parts includes a base 1, a servo motor 2, and clamps. The top surface of the base 1 has a sliding groove 3. The servo motor 2 is positioned at the center of the sliding groove 3. Two clamps are slidably connected to the sliding groove 3, and the servo motor 2 drives the two clamps to move synchronously along the sliding groove 3 via a linkage structure. Each clamp includes a slide 4, a support plate 5, and a locking frame 6. The support plate 5 is disposed on the top surface of the slide 4, and slides on the support plate 5. Multiple limiting rods 7 are connected, and the limiting rods 7 are connected to the support plate 5 via compression springs 8. The top surface of the limiting rods 7 is provided with locking tooth segments 9. The top surface of the support plate 5 is rotatably connected with a screw 10. The locking frame 6 is slidably connected to the top of the support plate 5, and the locking frame 6 is threadedly connected to the screw 10. The locking frame 6 is provided with multiple through slots 11 for the limiting rods 7 to pass through, and the top surface of the through slots 11 is provided with locking teeth 12 that can engage with the locking tooth segments 9.

[0019] The working principle of the clamping fixture for machining mechanical parts described in this utility model is achieved through the cooperation of the base 1, the servo motor 2, and the clamping seat. Figures 1 to 4As shown, the servo motor 2 has the functions of metering and accurate positioning, the servo motor 2 drives two clamping seats to clamp the workpiece through the linkage structure, the limiting rods 7 on the clamping seats will compress the compression springs 8 after abutting against the workpiece, and the limiting rods 7 move outward along the support plates 5, after the two clamping seats clamp the workpiece, the staff can rotate the screw 10 to make the locking frame 6 move downward along the screw 10, the through slot 11 of the locking frame 6 can be engaged with the locking tooth segments 9 on the limiting rods 7 through the clamping teeth 12, thereby fixing the positions of the plurality of limiting rods 7, compared with the traditional clamping jig, the locking frame 6 of the clamping jig for machining mechanical parts can fix the positions of the plurality of limiting rods 7 at the same time, and the stability of the clamping seat clamping is improved.

[0020] Specifically, the center of the bottom surface of the chute 3 is provided with a mounting seat 13, and the servo motor 2 is fixed on the mounting seat 13, wherein the linkage mechanism comprises a linkage gear 14 and two linkage racks 15, the linkage gear 14 is connected with the output end of the servo motor 2, and the two linkage racks 15 are connected with the sides of the two sliding seats 4 corresponding to each other, and the sides of the two linkage racks 15 corresponding to each other are engaged with the linkage gear 14 respectively, as shown in the figure. Figures 1 to 4 As shown, the servo motor 2 drives the linkage gear 14 to rotate on the mounting seat 13, the linkage gear 14 drives the two racks to move towards each other, and the two clamping seats move towards each other with the racks and clamp the workpiece, compared with the double-cylinder driving mode, the driving elements are reduced.

[0021] Further, a plurality of through holes 16 are arranged on the support plate 5, and the plurality of limiting rods 7 are connected with the plurality of through holes 16 in a sliding manner, a connecting ring is arranged on the limiting rod 7, and the compression spring 8 is connected with the connecting ring and the support plate 5 respectively, wherein a horizontal plate 17 is arranged on the top of the side of the support plate 5 away from the other support plate 5, and an opening 18 is arranged on the horizontal plate 17, and further, an L-shaped plate 19 is arranged on the top surface of the locking frame 6, the vertical part of the L-shaped plate 19 is connected with the opening 18 in a sliding manner, and the horizontal part of the L-shaped plate 19 is connected with the screw 10 in a threaded manner, as shown in the figure. Figures 1 to 4 As shown, when the through slot 11 of the locking frame 6 is not connected with the limiting rod 7, the clamping seat moves along the chute 3 to the workpiece, the limiting rod 7 moves along the through hole 16 of the support plate 5 after abutting against the workpiece, and the limiting rod 7 compresses the compression spring 8, the limiting rod 7 is gradually pressed against the workpiece under the action of the compression spring 8, after the two clamping seats clamp the workpiece, the staff rotates the screw 10, the horizontal part of the L-shaped plate 19 moves downward along the screw 10, and the vertical part of the L-shaped plate 19 moves downward along the opening 18, the locking frame 6 moves downward with the L-shaped plate 19, the through slot 11 of the locking frame 6 is engaged with the limiting locking tooth segment 9 through the clamping teeth 12, thereby fixing the positions of the plurality of limiting rods 7, and improving the clamping stability of the clamping seat.

[0022] The above are only specific embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A clamping fixture for machining mechanical parts, characterized in that: Including base, servo motor and clamping seat, the top surface of the base is provided with a chute, the servo motor is arranged at the center position of the chute, two clamping seats are slidably connected with the chute, and the servo motor drives two clamping seats to move synchronously along the chute through a linkage structure, the clamping seat comprises a sliding seat, a support plate and a locking frame, the support plate is arranged on the top surface of the sliding seat, a plurality of limiting rods are slidably connected on the support plate, the limiting rods are connected with the support plate through compression springs, the top surface of the limiting rod is provided with a locking tooth segment, a screw rod is rotatably connected on the top surface of the support plate, the locking frame is slidably connected with the top of the support plate, and the locking frame is threadedly connected with the screw rod, a plurality of through grooves are arranged on the locking frame for the limiting rods to pass through, and the top surface of the through groove is provided with a clamping tooth which can be engaged with the locking tooth segment.

2. The jig as set forth in claim 1, wherein: The center of the bottom surface of the chute is provided with a mounting seat, and the servo motor is fixed on the mounting seat.

3. The jig as set forth in claim 2, wherein: The linkage mechanism comprises a linkage gear and two linkage racks, the linkage gear is connected with the output end of the servo motor, two linkage racks are connected with the opposite sides of two sliding seats, and the opposite sides of two linkage racks are respectively engaged with the linkage gear.

4. The clamping jig for machining of a mechanical part according to claim 3, characterized in that: A plurality of through holes are arranged on the support plate, a plurality of limiting rods are slidably connected with the through holes, a connecting ring is arranged on the limiting rod, and the compression spring is connected with the connecting ring and the support plate respectively.

5. The jig as set forth in claim 4, wherein: The top of the side of the support plate opposite to the other support plate is provided with a horizontal plate, and the horizontal plate is provided with an opening.

6. The clamping jig for machining of a mechanical part according to claim 5, characterized in that: The top surface of the locking frame is provided with an L-shaped plate, the vertical part of the L-shaped plate is slidably connected with the opening, and the horizontal part of the L-shaped plate is threadedly connected with the screw rod.

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