CN212918575U - CNC processing quick positioning jig - Google Patents

Abstract

The utility model discloses a CNC processing quick positioning jig relates to CNC processing technical field, the on-line screen storage device comprises a base, top in the base is provided with the cavity, the inside of cavity is provided with the lead screw, the both sides at lead screw top all are provided with first slider, and are two sets of the cylinder is all installed to the inside of first slider, the output of cylinder is connected with the second slider. The utility model discloses a set up first slider, first gear, the second gear, the push rod, second slider and splint isotructure, it is fixed to carry out the centre gripping to the product, drive two sets of first slider reverse motions through the lead screw, adjust the distance between two sets of first sliders, it is fixed to carry out the centre gripping to the product, the output shrink through two sets of cylinders can increase the angle that reduces two sets of splint with the extension, it is fixed to be convenient for carry out the centre gripping to the product, it is fixed to carry out the centre gripping to the product through two sets of splint, it is more stable to make the product at the in-process centre gripping effect of processing, the processing mode is simple.

Description

CNC processing quick positioning jig

Technical Field

The utility model relates to a CNC processing technology field specifically is a quick positioning jig of CNC processing.

Background

Generally, CNC machining generally refers to computer numerical control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines and the like, and in the production and manufacturing process, because defects such as product size not being machined in place or redundant defective materials and the like often occur, the time for re-manufacturing a new fixture is long, and in addition, the delivery time is short, and a stable and rapid positioning fixture is urgently needed.

When a small batch of workpieces are machined by the conventional CNC machining quick positioning jig, a single plain tiger clamp is used for machining, the manual control force is unstable, the workpieces or products are not clamped easily, and the manual clamping is too troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that when an existing CNC machining quick positioning jig is used for machining small-batch workpieces, manual clamping is unstable and is too troublesome, the CNC machining quick positioning jig is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a CNC processing quick positioning jig, includes the base, top in the base is provided with the cavity, the inside of cavity is provided with the lead screw, the both sides at lead screw top all are provided with first slider, and are two sets of the cylinder is all installed to the inside of first slider, the output of cylinder is connected with the second slider, one side of first slider is connected with the fixed block, the inside of fixed block is provided with the recess, one side that the cylinder was kept away from to the second slider is connected with the push rod that extends to its recess inside, the both sides of push rod all are provided with the latch, the inside both ends that are located the push rod of recess all the activity be provided with latch matched with first gear, the inside second gear that is provided with first gear matched with of recess, second gear fixedly connected with splint are passed through at the both ends.

Preferably, one side of the screw rod movably penetrates through the base and extends to the outer side of the base to be connected with a handle.

Preferably, a drawer is arranged inside the base, and a pull ring is arranged at the front end of the drawer.

Preferably, a sliding groove matched with the first sliding block is arranged in the cavity.

Preferably, both sides of lead screw all are provided with the stopper, the outer both sides of lead screw are reverse screw thread.

Preferably, the diameter of the first gear is smaller than the diameter of the second gear.

Preferably, the splint are of an arc structure, a slot matched with the cylinder is formed in the first sliding block, and a sliding rail matched with the second sliding block is arranged in the slot.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up first slider, first gear, the second gear, the push rod, second slider and splint isotructure, it is fixed to carry out the centre gripping to the product, drive two sets of first slider reverse motions through the lead screw, adjust the distance between two sets of first sliders, it is fixed to carry out the centre gripping to the product, the output shrink through two sets of cylinders can increase the angle that reduces two sets of splint with the extension, it is fixed to be convenient for carry out the centre gripping to the product, it is fixed to carry out the centre gripping to the product through two sets of splint, it is more stable to make the product at the in-process centre gripping effect of processing, the processing mode is simple.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged view of the present invention.

In the figure: 1. a base; 2. a cavity; 3. a screw rod; 4. a handle; 5. a first slider; 6. grooving; 7. A second slider; 8. a slide rail; 9. a cylinder; 10. a push rod; 11. a fixed block; 12. a first gear; 13. A second gear; 14. clamping teeth; 15. a drawer; 16. a pull ring; 17. a groove; 18. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a CNC processing quick positioning fixture includes a base 1, a cavity 2 is disposed at the top inside the base 1, a lead screw 3 is disposed inside the cavity 2, first sliders 5 are disposed on both sides of the top of the lead screw 3, cylinders 9 are disposed inside two groups of first sliders 5, an output end of each cylinder 9 is connected with a second slider 7, one side of each first slider 5 is connected with a fixed block 11, a groove 17 is disposed inside each fixed block 11, one side of each second slider 7, which is away from the corresponding cylinder 9, is connected with a push rod 10 extending into the corresponding groove 17, teeth 14 are disposed on both sides of the push rod 10, first gears 12 matched with the teeth 14 are movably disposed at both ends of the push rod 10 inside the corresponding groove 17, second gears 13 matched with the first gears 12 are disposed inside the corresponding groove 17, and clamping plates 18 are fixedly connected to both ends of the fixed blocks 11 through the second gears 13.

The utility model discloses a set up first slider 5, first gear 12, second gear 13, push rod 10, second slider 7 and splint 18 isotructure, it is fixed to carry out the centre gripping to the product, drive two sets of 5 reverse motions of first slider through lead screw 3, adjust the distance between two sets of first slider 5, it is fixed to carry out the centre gripping to the product, the output shrink through two sets of cylinders 9 can increase the angle that reduces two sets of splint 18 with the extension, it is fixed to be convenient for carry out the centre gripping to the product, it is fixed to carry out the centre gripping to the product through two sets of splint 18, it is more stable to make the product centre gripping effect at the in-process of processing, the processing mode is simple and convenient.

Please refer to fig. 1 and fig. 2, one side of the screw rod 3 is movably connected with a handle 4 through the outside extending to the base 1, the utility model discloses a set up the handle 4, be convenient for drive the two sets of first sliders 5 with the screw rod 3 and remove, be convenient for carry out the centre gripping to the product and fix.

Please refer to fig. 1, the inside of the base 1 is provided with a drawer 15, and the front end of the drawer 15 is provided with a pull ring 16, so that the drawer 15 is convenient for placing some tools needed for processing, and the processing is convenient.

Please refer to fig. 1, the inside of the cavity 2 is provided with a sliding groove matching with the first sliding block 5, the utility model discloses a set up the sliding groove, reduce the inside friction of cavity 2, be convenient for two sets of first sliding blocks 5 slide in cavity 2.

Please refer to fig. 1 emphatically, the both sides of lead screw 3 all are provided with the stopper, and the outer both sides of lead screw 3 are reverse screw, the utility model discloses a set up the stopper, prevent that two sets of first sliders 5 from breaking away from the both sides of lead screw 3, influence work efficiency, through setting up positive and negative screw, the lead screw 3 of being convenient for carries out the centre gripping with two sets of first sliders 5 to the product fixedly.

Please refer to fig. 1 and fig. 3, the diameter of the first gear 12 is smaller than the diameter of the second gear 13, and the diameter of the first gear 12 is smaller than the diameter of the second gear 13, so that the rotation speed of the second gear 13 can be adjusted by the rotation speed of the first gear 12, and the tension of the clamping plate 18 can be adjusted.

Please refer to fig. 1 and fig. 3 emphatically, splint 18 is the arc structure, and the inside of first slider 5 is provided with the fluting 6 that matches each other with cylinder 9, and the inside of fluting 6 is provided with second slider 7 matched with slide rail 8, the utility model discloses a set up splint 18 and be the arc structure, be convenient for carry out the centre gripping through splint 18 to the product fixed, through being provided with fluting 6, the output of the cylinder 9 of being convenient for drives second slider 7 and removes in the inside of first slider 5, through setting up slide rail 8, is convenient for second slider 7 and slides in slide rail 8.

The working principle is as follows: when a product needs to be processed, firstly, the handle 4 is rotated to enable the handle 4 to drive the screw rod 3 to rotate, the screw rod 3 drives the two groups of first sliding blocks 5 to move reversely to adjust the distance between the two groups of first sliding blocks 5, the product is clamped and fixed, and the processing is convenient, the air cylinders 9 are arranged in the two groups of first sliding blocks, the output end of the air cylinder 9 drives the second sliding block 7 to slide in the slide rail 8, the second sliding block 7 drives the push rod 10 to slide between the two groups of first gears 12, the first gear 12 can be rotated by arranging the clamping teeth 14 matched with the first gears 12 at the two ends of the push rod 10, the second gear 13 can be driven by the first gear 12 to rotate, the second gear 13 drives the clamping plates 18 to clamp and fix the product, the product is convenient to be processed, the angle of the two groups of clamping plates 18 can be increased by the contraction of the output ends of the two groups of the air cylinders, the angle that can reduce two sets of splint 18 through the output extension of two sets of cylinders 9, it is fixed to carry out the centre gripping to the product through two sets of splint 18, makes the product more stable at the in-process centre gripping effect of processing, is provided with drawer 15 through the front end at base 1, and pulling pull ring 16, accessible drawer 15 place the product that needs to use in some course of working, are convenient for process the product.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a quick positioning jig of CNC processing, includes base (1), its characterized in that: the top in the base (1) is provided with a cavity (2), a lead screw (3) is arranged in the cavity (2), two sides of the top of the lead screw (3) are provided with first sliders (5), cylinders (9) are arranged in the two groups of first sliders (5), the output end of each cylinder (9) is connected with a second slider (7), one side of each first slider (5) is connected with a fixed block (11), a groove (17) is arranged in each fixed block (11), one side, far away from the cylinders (9), of each second slider (7) is connected with a push rod (10) extending into the groove (17), two sides of each push rod (10) are provided with clamping teeth (14), two ends, located in the push rods (10), in the groove (17) are movably provided with first gears (12) matched with the clamping teeth (14), and a second gear (13) matched with the first gears (12) is arranged in the groove (17), and the two ends of the fixed block (11) are fixedly connected with clamping plates (18) through second gears (13).

2. The CNC machining rapid positioning jig of claim 1, wherein: one side of the screw rod (3) movably penetrates through the outer side extending to the base (1) and is connected with a handle (4).

3. The CNC machining rapid positioning jig of claim 1, wherein: a drawer (15) is arranged inside the base (1), and a pull ring (16) is arranged at the front end of the drawer (15).

4. The CNC machining rapid positioning jig of claim 1, wherein: and a sliding groove matched with the first sliding block (5) is arranged in the cavity (2).

5. The CNC machining rapid positioning jig of claim 1, wherein: the two sides of the screw rod (3) are provided with limiting blocks, and the two sides outside the screw rod (3) are reverse threads.

6. The CNC machining rapid positioning jig of claim 1, wherein: the diameter of the first gear (12) is smaller than the diameter of the second gear (13).

7. The CNC machining rapid positioning jig of claim 1, wherein: the clamping plate (18) is of an arc-shaped structure, a slot (6) matched with the air cylinder (9) is formed in the first sliding block (5), and a sliding rail (8) matched with the second sliding block (7) is arranged in the slot (6).

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