CNC machining clamp for hardware parts

Abstract

The utility model discloses a hardware part CNC machining clamp which comprises a base, fixing plates are transversely, symmetrically and fixedly connected to the two sides of the upper portion of the base, a rotating rod is rotationally connected between the two fixing plates, an installation frame is fixedly installed in the middle of the rotating rod through a fixing block, and two L-shaped clamping frames connected with sliding grooves in the two sides in a sliding mode are arranged in the installation frame. A plurality of clamping assemblies are arranged in the clamping frame, and a driving assembly for driving the rotating rod to rotate is arranged at one end of the rotating rod; the servo motor drives the rotating rod to rotate, so that the rotating rod drives the mounting frame to turn over towards the other side and drives a part to turn over at the same time, the two faces of the part can be machined, and the part does not need to be disassembled and assembled in the machining process; the connecting clamping piece can be lengthened according to parts in different shapes by adjusting the tightness of the locking nut, the parts in different thicknesses can be conveniently fixed by rotating the multiple threaded rods, and flaws of products caused by shaking of the parts in the machining process are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing fixture field especially relates to hardware parts CNC processing fixture. BACKGROUND

[0002] CNC is for processing machine tool, needs to utilize the fixture in the processing process of processing machine tool, and the fixture refers to the device for fixing the processing object in the mechanical manufacturing process, making it occupy the correct position to accept the construction or detection; hardware parts are various in type and different in shape, and the ordinary fixture cannot firmly clamp the workpiece, the clamping effect is poor, and when the double-sided processing of the parts is needed, the parts need to be disassembled and fixed again, which is very time-consuming and reduces the processing efficiency. SUMMARY

[0003] The utility model wants to solve the technical problem that hardware parts are various in type and different in shape, and the ordinary fixture cannot firmly clamp the workpiece, the clamping effect is poor, and when the double-sided processing of the parts is needed, the parts need to be disassembled and fixed again, which is very time-consuming and reduces the processing efficiency.

[0004] To achieve the above object, the technical scheme adopted by the utility model is:

[0005] A hardware parts CNC processing fixture, including the base, the both sides of the base top horizontal symmetry fixedly connected with the fixed plate, the two fixed plates are penetrated with the rotary rod and are all rotationally connected with the two fixed plates, the rotary rod middle position fixedly connected with the fixed block, the other end of the fixed block is fixedly connected with the mounting frame, the both sides of the base top are fixedly connected with the support frame that is adapted to the mounting frame, the both sides of the horizontal inner side wall of the mounting frame are all provided with the sliding slot, the mounting frame is equipped with two with the both sides sliding slot sliding connection's '' L '' shape's clamping frame, the both sides longitudinal outer surfaces of the mounting frame middle position are all fixedly connected with the first bolt, the both sides of the clamping frame are all fixedly connected with the threaded rod, and the threaded rod is penetrated with the first bolt and is screw connected, the clamping frame is equipped with a plurality of clamping assemblies, and one end of the rotary rod is equipped with the driving assembly that drives the rotary rod rotation.

[0006] Further, the clamping assembly includes a connecting card, a plurality of square holes are formed in the upper part of the clamping frame, a through hole penetrating the clamping frame is vertically formed at the position of each square hole in the clamping frame, an upper nut is fixedly connected to the position of the through hole at the top of the clamping frame, a lower nut is fixedly connected to the position of the through hole at the bottom of the clamping frame, a screw rod is screw connected to the upper nut and the lower nut in the through hole, a locking nut is screw connected to the outer surface of the screw rod in the square hole, the number of locking nuts is two, a connecting card is installed on the outer part of the screw rod and between the two locking nuts, and an adjusting slot is formed in the middle position of the connecting card.

[0007] Further, the driving assembly comprises a servo motor, a gear is fixedly connected to one side outer wall of the rotating rod, a fixed table is installed above the base and directly below the gear, and a servo motor driving the gear to rotate is installed above the fixed table.

[0008] Further, the top of the support frame is provided with a rubber pad.

[0009] Further, a protruding block is fixedly connected to the middle of the outer surface of the mounting frame, a through cavity matched with the protruding block is formed in the side of the threaded rod close to the protruding block, and a rotating handle is fixedly connected to the other side top of the threaded rod.

[0010] Working principle and beneficial effects:

[0011] The servo motor drives the gear and the rotating rod to rotate, the rotating rod drives the mounting frame to overturn to the other side, and the parts are driven to overturn, so that the two surfaces of the parts can be machined, and the parts do not need to be disassembled and installed in the machining process, the labor intensity of workers is reduced, and the production efficiency is improved.

[0012] By adjusting the tightness of the locking nut, the connecting card can be extended according to different shapes of parts, so that the connecting card is closer to the surface of the parts, the threaded rods are moved upwards and downwards by rotating several threaded rods, different thicknesses of parts can be fixed sufficiently, and the parts are prevented from shaking during machining to cause defects of products. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0015] Figure 3 It is an enlarged structure schematic view of B in the utility model Figure 1 It is an enlarged structure schematic view of B in the utility model

[0016] Figure 4 It is a threaded rod part sectional structure schematic view of the utility model.

[0017] In the drawing: 1, base; 2, fixed plate; 3, rotating rod; 4, fixed block; 5, mounting frame; 6, support frame; 7, sliding groove; 8, clamping frame; 9, first bolt; 10, threaded rod; 11, connecting card; 12, locking nut; 13, square hole; 14, through hole; 15, upper nut; 16, lower nut; 17, screw rod; 18, adjusting long groove; 19, servo motor; 20, gear; 21, fixed table; 22, rubber pad; 23, protruding block; 24, through cavity; 25 rotating handle. DETAILED DESCRIPTION

[0018] The utility model can be better understood according to the following examples.

[0019] The structure, proportion, size and the like shown in the drawings of the specification are merely used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for implementing the utility model, so they do not have substantial technical significance, and any modification of structure, change of proportional relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope covered by the disclosed technical content of the utility model. Meanwhile, the terms such as "upper", "lower", "front", "rear", "intermediate" and the like cited in the specification are merely for the convenience of clear understanding and reading, and are not used to define the scope of implementation of the utility model, and the change or adjustment of relative relationship, without substantial change of technical content, should also be considered as the scope of implementation of the utility model.

[0020] As shown in Figures 1-4

[0021] Example 1

[0022] A hardware parts CNC machining clamp, including base 1, the two sides of base 1 are fixedly connected with fixed plate 2 symmetrically in horizontal direction, and rotating rod 3 is penetrated between two fixed plates 2 and is rotatably connected with two fixed plates 2, fixed block 4 is fixedly connected with rotating rod 3 at middle position, and mounting frame 5 is fixedly connected with the other end of fixed block 4, support frame 6 that is compatible with mounting frame is fixedly connected with the two sides of base 1 above fixed plate 2, sliding slot 7 is formed in the horizontal inner side wall of both sides of mounting frame 5, and "L" shaped clamping frame 8 that is slidably connected with both sides sliding slot 7 is arranged in mounting frame 5, first bolt 9 is fixedly connected with the middle position of longitudinal outer surface of both sides of mounting frame 5, and threaded rod 10 is fixedly connected with the two sides of clamping frame 8 away from each other, and threaded rod 10 is threadedly connected with first bolt 9 penetrating mounting frame 5, a plurality of clamping assemblies are arranged in clamping frame 8, and one end of rotating rod 3 is provided with driving assembly for driving rotating rod 3 to rotate.

[0023] ​The clamping assembly comprises a connecting card 11, a plurality of square holes 13 are formed in the upper inner part of the clamping frame 8, a through hole 14 is vertically formed in the clamping frame 8 at the position of each square hole 13 and penetrates the clamping frame 8, an upper nut 15 is fixedly connected to the top of the clamping frame 8 at the position of the through hole 14, a lower nut 16 is fixedly connected to the bottom of the clamping frame 8 at the position of the through hole 14, a screw rod 17 is arranged in the through hole 14 and is threadedly connected with the upper nut 15 and the lower nut 16, a locking nut 12 is threadedly connected with the outer surface of the screw rod 17 at the inner part of the square hole 13, the number of the locking nuts 12 is two, the connecting card 11 is installed on the outer part of the screw rod 17 and is located between the two locking nuts 12, and an adjusting long groove 18 is formed in the middle position of the connecting card 11.

[0024] The driving assembly comprises a servo motor 19, a gear 20 is fixedly connected to one side of the rotating rod 3, a fixed table 21 is fixedly installed on the upper part of the base 1 and is located directly below the gear 20, and the servo motor 19 is installed on the upper part of the fixed table 21 and drives the gear 20 to rotate.

[0025] A convex block 23 is fixedly connected to the middle position of the outer surface of the mounting frame 5, a through cavity 24 that is matched with the convex block 23 is formed in the side of the threaded rod 10 that is close to the convex block 23, and a rotating handle 25 is fixedly connected to the other side top of the threaded rod 10.

[0026] In use, the size of the part is estimated first, the distance between the two clamping frames 8 is adjusted by rotating the threaded rods 10 at both ends through the rotating handle 23, then the part is placed between the two clamping frames 8, the connecting card 11 is extended above the part by adjusting the tightness of the locking nuts 12, then the connecting card 11 is moved downward by rotating the threaded rod 10, the part is pressed, when the processing of one side of the part is completed, the servo motor 19 is started, the rotating rod 3 is driven to rotate by the rotation of the servo motor 19, the mounting frame 5 is flipped onto the support frame 6 on the other side, and the other side of the part is conveniently processed.

[0027] The part is flipped by the rotation of the gear 20 driven by the servo motor 19, the mounting frame 5 is flipped to the other side by the rotating rod 3, and the part is flipped, so that the two sides of the part can be processed, the part does not need to be disassembled and installed in the processing process, the labor intensity of workers is reduced, and the production efficiency is improved.

[0028] The tightness of the locking nuts 12 is adjusted, the connecting card 11 is extended according to different shapes of the part, the connecting card 11 is closer to the surface of the part, the threaded rods 10 are moved upward and downward by rotating a plurality of threaded rods 10, different thicknesses of the part are conveniently fixed, and the part is prevented from shaking and causing defects in the product.

Claims

1. A hardware CNC machining clamp comprising a base (1), characterized in that: The base (1) is fixedly connected with two fixed plates (2) on the two sides above the base (1) and transversely symmetrically, rotating rods (3) penetrate through the two fixed plates (2) and are rotatably connected with the two fixed plates (2), a fixed block (4) is fixedly connected with the middle of the rotating rod (3), an installation frame (5) is fixedly connected with the other end of the fixed block (4), support frames (6) which are adapted to the installation frame (5) are fixedly connected with the two sides of the base (1) above the two fixed plates (2), sliding grooves (7) are formed in the transverse inner side walls of the two sides of the installation frame (5), two "L"-shaped clamping frames (8) which are slidably connected with the two sliding grooves (7) are arranged in the installation frame (5), first bolts (9) are rotatably connected with the middle positions of the longitudinal outer surfaces of the two sides of the installation frame (5), threaded rods (10) are fixedly connected with the two sides of the clamping frame (8) which are away from each other, the threaded rods (10) penetrate through the installation frame (5) and are threadedly connected with the first bolts (9), a plurality of clamping assemblies are arranged in the clamping frame (8), and one end of the rotating rod (3) is provided with a driving assembly which drives the rotating rod (3) to rotate.

2. The hardware CNC machining jig according to claim 1, characterized in that: The clamping assembly comprises a connecting card (11), a plurality of square holes (13) are formed in the upper part of the clamping frame (8), through holes (14) which penetrate through the clamping frame (8) are vertically formed in the positions of the square holes (13) in the clamping frame (8), upper nuts (15) are fixedly connected with the positions of the through holes (14) in the top of the clamping frame (8), lower nuts (16) are fixedly connected with the positions of the through holes (14) in the bottom of the clamping frame (8), a screw rod (17) is threadedly connected with the upper nut (15) and the lower nut (16) in the through hole (14), lock nuts (12) are threadedly connected with the outer surface of the screw rod (17) in the square hole (13), the number of the lock nuts (12) is two, the connecting card (11) is arranged on the outer part of the screw rod (17) and between the two lock nuts (12), and an adjusting long groove (18) is formed in the middle position of the connecting card (11).

3. The hardware CNC machining jig according to claim 1, characterized in that: The driving assembly comprises a servo motor (19), a gear (20) is fixedly connected with the outer wall of one side of the rotating rod (3), a fixed table (21) is fixedly arranged on the base (1) and directly below the gear (20), and the servo motor (19) is arranged on the fixed table (21) and drives the gear (20) to rotate.

4. The hardware CNC machining jig according to claim 1, characterized in that: A rubber pad (22) is arranged on the top of the support frame (6).

5. The hardware CNC machining jig according to claim 1, characterized in that: A convex block (23) is fixedly connected with the middle position of the outer surface of the installation frame (5), a through cavity (24) which is adapted to the convex block (23) is formed in the side of the threaded rod (10) which is close to the convex block (23), and a rotating handle (25) is fixedly connected with the other side of the threaded rod (10).

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