CN222511582U

CN222511582U - CNC cross processing tool

Info

Publication number: CN222511582U
Application number: CN202421323058.5U
Authority: CN
Inventors: 魏学文
Original assignee: Shenzhen Weibotong Technology Co ltd
Current assignee: Shenzhen Weibotong Technology Co ltd
Priority date: 2024-06-11
Filing date: 2024-06-11
Publication date: 2025-02-21
Anticipated expiration: 2034-06-11

Abstract

The utility model relates to a CNC four-way processing jig, which belongs to the technical field of CNC numerical control processing, and comprises a workbench, a base is fixed on the upper surface of the workbench, a positioning groove is provided on the upper surface of the base, a clamping mechanism for clamping the four-way pipe is arranged on the workbench, and brackets are fixed at the four corners of the lower surface of the workbench, and the clamping mechanism comprises a driving member, two mounting plates, a lifting member, two guide members, and two clamping members, and the driving member is arranged on the workbench. The CNC four-way processing jig can drive the threaded rod to rotate through the cooperation of the motor, thereby driving the threaded blocks on both sides to move, and the movement of the threaded blocks on both sides can drive the electric push rods on both sides to move, thereby adjusting the spacing between the two mounting plates, and the cooperation of the electric push rod can drive the connecting rod to move, thereby driving the mounting plate to move, and adjusting the height position of the mounting plate, so that the clamping plate can clamp the four-way pipe faster and more efficiently.

Description

CNC cross processing tool

Technical Field

The utility model relates to the technical field of CNC (computer numerical control) machining, in particular to a CNC four-way machining jig.

Background

In CNC numerical control machining, in order to achieve four-side simultaneous machining of a workpiece, a special tool fixture is usually required to be designed to fix and position the workpiece, and a mechanical clamping mode is usually adopted in a traditional fixture, such as a bolt, a pressing plate and other elements are used for fixing the workpiece on the fixture.

As disclosed in chinese patent publication No. (CN 207593320U), the CNC processing positioning fixture includes a base plate and a clamping mechanism mounted on the base plate, the clamping mechanism includes a positioning plate mounted on the base plate, an X-axis adjusting assembly located on the positioning plate, a Y-axis adjusting assembly located on one side of the positioning plate, and a Z-axis driving assembly mounted on the base plate, one end of the positioning plate is provided with a receiving slot, the X-axis adjusting assembly includes a stopper having one end received in the receiving slot, a positioning pin connected with the positioning plate, and a first elastic member sleeved on the positioning pin, one end of the first elastic member abuts against the stopper, the Y-axis adjusting assembly includes a fixed block mounted on the base plate, a sliding block slidably mounted on the base plate, a second elastic member located between the fixed block and the sliding block, the sliding block is disposed near an edge of the positioning plate, the workpiece is not adjustable, and the workpiece is mounted on the fixture due to the phenomenon of too tight or loose, resulting in a large processing error of the workpiece, the workpiece is not being clamped by the conventional clamping fixture, but the clamping mechanism has a high production cost, but the clamping precision is not suitable for the conventional clamping mechanism.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a CNC four-way processing jig which has the advantages of improving the positioning precision and clamping efficiency of the jig, and solves the problems that the traditional jig adopts a mechanical clamping mode, such as using bolts, pressing plates and other elements to fix a workpiece on the jig, and the mode has certain defects in the aspects of positioning precision, clamping efficiency, adaptability and the like when processing some workpieces with complex structures.

In order to achieve the purpose, the CNC four-way processing jig comprises a workbench, wherein a base is fixed on the upper surface of the workbench, a positioning groove is formed in the upper surface of the base, a clamping mechanism for clamping a four-way pipe is arranged on the workbench, and brackets are fixed at four corners of the lower surface of the workbench;

The clamping mechanism comprises a driving piece, two mounting plates, a lifting piece, two guide pieces and two clamping pieces, wherein the driving piece is arranged on the workbench and used for adjusting the clamping distance, the two mounting plates are respectively fixed with the two guide pieces, the two guide pieces are arranged on the workbench and used for guiding the moving track of the mounting plates, the lifting piece is arranged on the two mounting plates and used for adjusting the height position of the mounting plates, and the two clamping pieces are respectively arranged on the two mounting plates and used for clamping a four-way pipe to be processed.

The four-way pipe clamping device has the beneficial effects that the positioning precision and clamping efficiency of the four-way pipe are improved, and the stability and precision in the processing process are ensured.

Further, the driving piece includes motor, threaded rod, two screw thread pieces, gag lever post, the motor is fixed with the right side of workstation, the one end of threaded rod is fixed with the output shaft of motor, the other end of threaded rod passes through the bearing with the left side inner wall of workstation and rotates to be connected, two the screw thread piece all with the outside threaded connection of threaded rod, the both ends of gag lever post are fixed with the left and right sides inner wall of workstation respectively, the outside of gag lever post and the inboard sliding connection of two screw thread pieces.

The technical scheme has the beneficial effects that the main pipeline of the four-way pipe is positioned and clamped conveniently.

Further, the outside of threaded rod distributes and has two opposite directions screw thread, and with the axis bilateral symmetry distribution of threaded rod, two the screw thread piece is located the both sides screw thread respectively, and with the axis bilateral symmetry distribution of threaded rod.

The further scheme has the beneficial effect that the distance between the two mounting plates can be adjusted by moving the threaded block.

Further, the lifting piece comprises two electric push rods and two connecting rods, wherein the two electric push rods are respectively fixed with the front surfaces of the two threaded blocks, one ends of the two connecting rods are respectively fixed with output shafts of the two electric push rods, and the other ends of the two connecting rods are respectively fixed with the lower surfaces of the two mounting plates.

The four-way pipe has the beneficial effects that the auxiliary pipeline of the four-way pipe reaches the positioning and clamping functions.

Further, the sliding port is formed in the upper surface of the workbench, the two connecting rods are located in the sliding port, and the width of the sliding port is matched with the outer diameter of the connecting rod.

The technical scheme has the beneficial effect that the connecting rod can conveniently move on the workbench.

Further, the guide piece comprises a first sliding rod, a first limiting block, a sliding block, a second sliding rod and a second limiting block, one end of the first sliding rod is fixed with the upper surface of the workbench, the other end of the first sliding rod is fixed with the first limiting block, the sliding block is in sliding connection with the outer side of the first sliding rod, one end of the second sliding rod is fixed with the left side of the sliding block, and the other end of the second sliding rod is fixed with the second limiting block.

The further scheme has the beneficial effect of avoiding the position deviation of the mounting plate in the moving process.

Further, the outer diameter of the first limiting block is larger than that of the first sliding rod, and the outer diameter of the second limiting block is larger than that of the second sliding rod.

The technical scheme has the beneficial effects that the sliding block is prevented from being separated from the first sliding rod, and the mounting plate is prevented from being separated from the second sliding rod.

Further, the clamping piece comprises a clamping block, the clamping block is fixed with the front face of the mounting plate, a first clamping groove is formed in the lower surface of the clamping block, and a second clamping groove is fixed on the left side of the clamping block.

The four-way pipe has the beneficial effect that the four-way pipe can be kept stable in the processing process.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. This CNC cross processing tool, through the cooperation of motor, can drive the threaded rod and rotate to drive both sides screw thread piece and remove, through the removal of both sides screw thread piece, can drive both sides electric putter and remove, thereby adjust the interval of two mounting panels, through electric putter's cooperation, can drive the connecting rod and remove, thereby drive the mounting panel and remove, adjust the high position of mounting panel, make splint can be faster more high-efficient press from both sides the four-way pipe clamp.

2. This CNC cross processing tool, through the cooperation of installation piece, can drive the second slide bar and remove when reciprocate to drive the slider and slide on first slide bar, so that to the removal of upper and lower direction location direction, through the cooperation of second slide bar, can be when the installation piece moves about to the removal of installation piece location direction, thereby improve the positioning accuracy of work piece.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

Fig. 3 is a schematic view of a clamping member according to the present utility model.

In the figure, a workbench, a base, a positioning groove 3, a clamping mechanism 4, a driving piece 41, a motor 411, a threaded rod 412, a threaded block 413, a limiting rod 414, a mounting plate 42, a lifting piece 43, an electric push rod 431, a connecting rod 432, a guide piece 44, a first sliding rod 441, a first limiting block 442, a sliding block 443, a second sliding rod 444, a second limiting block 445, a clamping piece 45, a clamping block 451, a first clamping groove 452, a second clamping groove 453 and a bracket 5 are arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1, a CNC four-way processing jig in this embodiment, including workstation 1, the last fixed surface of workstation 1 has base 2, and constant head tank 3 has been seted up to the upper surface of base 2, and constant head tank 3 on the base 2 can carry out preliminary location to the position of four-way pipe, is provided with the clamping mechanism 4 that is used for pressing from both sides tight to the four-way pipe on workstation 1, improves the positioning accuracy and the clamping efficiency of four-way pipe, ensures stability and the precision in the course of working, and the four corners department of workstation 1 lower surface all is fixed with support 5, makes workstation 1 remain stable.

Referring to fig. 2-3, in order to improve positioning accuracy and clamping efficiency of the four-way pipe and ensure stability and accuracy in the machining process, the clamping mechanism 4 in this embodiment includes a driving member 41, two mounting plates 42, a lifting member 43, two guiding members 44, and two clamping members 45, where the driving member 41 is disposed on the workbench 1 and is used for adjusting a clamping distance so as to perform positioning and clamping operation on a main pipe of the four-way pipe, the two mounting plates 42 are respectively fixed with the two guiding members 44, the two guiding members 44 are disposed on the workbench 1 and are used for guiding a moving track of the mounting plates 42, so that the mounting plates 42 are prevented from being shifted in the moving process, the lifting member 43 is disposed on the two mounting plates 42 and is used for adjusting a height position of the mounting plates 42, so that an auxiliary pipe of the four-way pipe reaches positioning and clamping, and the two clamping members 45 are respectively disposed on the two mounting plates 42 and are used for clamping the four-way pipe to be machined, so that the four-way pipe can be kept stable in the machining process.

In this embodiment, the driving member 41 includes a motor 411, a threaded rod 412, two threaded blocks 413, and a limiting rod 414, the motor 411 is fixed on the right side of the workbench 1, one end of the threaded rod 412 is fixed with an output shaft of the motor 411, the output shaft of the motor 411 drives the threaded rod 412 to rotate, the other end of the threaded rod 412 is rotationally connected with the left inner wall of the workbench 1 through a bearing, the two threaded blocks 413 are both in threaded connection with the outer sides of the threaded rod 412, the threaded rod 412 drives the two threaded blocks 413 to move, the two ends of the limiting rod 414 are respectively fixed with the left and right inner walls of the workbench 1, the outer sides of the limiting rod 414 are respectively in sliding connection with the inner sides of the two threaded blocks 413, the limiting rod 414 limits the angle of the threaded blocks 413, the lifting member 43 is prevented from shifting, the lifting member 43 includes two electric push rods 431 and two connecting rods 432, the two electric push rods 431 are respectively fixed with the front sides of the two threaded blocks 413, the screw blocks 413 on both sides drive the electric push rods 431 to move, one ends of the two connecting rods 432 are respectively fixed with output shafts of the two electric push rods 431, the other ends of the two connecting rods 432 are respectively fixed with lower surfaces of the two mounting plates 42, the electric push rods 431 drive the connecting rods 432 to move, the connecting rods 432 drive the mounting plates 42 to move so as to adjust the distance between the mounting plates 42 on both sides, meanwhile, the output shafts of the electric push rods 431 drive the connecting rods 432 to move, the connecting rods 432 drive the mounting plates 42 to move so as to adjust the height of the mounting plates 42, the guide piece 44 comprises a first sliding rod 441, a first limiting block 442, a sliding block 443, a second sliding rod 444 and a second limiting block 445, one end of the first sliding rod 441 is fixed with the upper surface of the workbench 1, the other end of the first sliding rod 441 is fixed with the first limiting block 442, the sliding block 443 is in sliding connection with the outer side of the first sliding rod 441, one end of the second sliding rod 444 is fixed with the left side of the sliding block 443, the other end of the second sliding rod 444 is fixed with the second limiting block 445, when the mounting plate 42 moves up and down, the mounting plate 42 drives the second sliding rod 444 to move, the second sliding rod 444 drives the sliding block 443 to move, the sliding block 443 slides on the first sliding rod 441, the vertical movement of the mounting plate 42 is positioned and guided, when the mounting plate 42 moves left and right, the mounting plate 42 slides on the second sliding rod 444, the left and right movement of the mounting plate 42 is positioned and guided, the position of the mounting plate 42 is prevented from deviating, the clamping piece 45 comprises a clamping block 451, the clamping block 451 is fixed with the front surface of the mounting plate 42, the lower surface of the clamping block 451 is provided with a first clamping groove 452, the mounting plate 42 drives the clamping block 451 to move, the clamping block 451 moves to the base 2, the left side of the clamping block 451 is fixed with a second clamping groove 453, the motor 411 is opened again, the distance of the mounting plate 42 can be adjusted, and therefore the second clamping groove 453 on the clamping block 451 positions a main pipe of the four-way pipe, and the positioning precision of a workpiece is improved.

It should be noted that, two threads with opposite directions are distributed on the outer side of the threaded rod 412, and the threads are distributed in a left-right symmetrical manner by the central axis of the threaded rod 412, the two thread blocks 413 are respectively located on the two side threads and distributed in a left-right symmetrical manner by the central axis of the threaded rod 412, and the moving directions of the thread blocks 413 on the two sides are opposite because of the two threads formed on the outer side of the threaded rod 412, so that the distance between the two mounting plates 42 can be adjusted by the moving of the thread blocks 413, a sliding opening is formed in the upper surface of the workbench 1, the two connecting rods 432 are located in the sliding opening, the width of the sliding opening is matched with the outer diameter of the connecting rod 432, the connecting rod 432 can conveniently move on the workbench 1, the outer diameter of the first limiting block 442 is larger than the outer diameter of the first sliding rod 441, the outer diameter of the second limiting block 445 is larger than the outer diameter of the second sliding rod 444, and the mounting plates 42 are prevented from being separated from the first sliding rod 444.

The working principle of the embodiment is as follows:

(1) Firstly, a four-way pipe to be processed is placed on a base 2, a positioning groove 3 on the base 2 can be used for initially positioning the position of the four-way pipe, then a motor 411 is turned on, an output shaft of the motor 411 drives a threaded rod 412 to rotate, the threaded rod 412 drives two side threaded blocks 413 to move, and as bidirectional threads are formed in the outer side of the threaded rod 412, the moving directions of the two side threaded blocks 413 are opposite, the two side threaded blocks 413 drive an electric push rod 431 to move, the electric push rod 431 drives a connecting rod 432 to move, and the connecting rod 432 drives a mounting plate 42 to move, so that the distance between the two side mounting plates 42 is adjusted.

(2) After the distance between the mounting plates 42 on two sides is adjusted, the electric push rod 431 is opened, the output shaft connecting rod 432 of the electric push rod 431 moves, the connecting rod 432 drives the mounting plate 42 to move, thereby adjusting the height of the mounting plate 42, the mounting plate 42 drives the clamping block 451 to move, the clamping block 451 moves to the base 2, the first clamping groove 452 on the clamping block 451 positions the auxiliary pipeline of the four-way pipe, at the moment, the motor 411 is opened again, the distance between the mounting plates 42 can be adjusted, thereby enabling the second clamping groove 453 on the clamping block 451 to position the main pipeline of the four-way pipe, positioning accuracy of workpieces is improved, the mounting plate 42 drives the second sliding rod 444 to move when moving up and down, the second sliding rod 444 drives the sliding block 443 to move, the sliding block 443 slides on the first sliding rod 441, the mounting plate 42 moves up and down to obtain positioning guide, and the mounting plate 42 slides on the second sliding rod 444 when moving left and right, so that the left movement of the mounting plate 42 obtains positioning guide, and the position of the mounting plate 42 is prevented from shifting.

Claims

1. The CNC four-way machining jig comprises a workbench (1) and is characterized in that a base (2) is fixed on the upper surface of the workbench (1), a positioning groove (3) is formed in the upper surface of the base (2), a clamping mechanism (4) for clamping a four-way pipe is arranged on the workbench (1), and supports (5) are fixed at four corners of the lower surface of the workbench (1);

The clamping mechanism (4) comprises a driving piece (41), two mounting plates (42), a lifting piece (43), two guide pieces (44) and two clamping pieces (45), wherein the driving piece (41) is arranged on the workbench (1) and used for adjusting the clamping distance, the two mounting plates (42) are respectively fixed with the two guide pieces (44), the two guide pieces (44) are arranged on the workbench (1) and used for guiding the moving track of the mounting plates (42), the lifting piece (43) is arranged on the two mounting plates (42) and used for adjusting the height position of the mounting plates (42), and the two clamping pieces (45) are respectively arranged on the two mounting plates (42) and used for clamping a four-way pipe to be processed.

2. The CNC four-way machining jig according to claim 1, wherein the driving piece (41) comprises a motor (411), a threaded rod (412), two threaded blocks (413) and a limiting rod (414), the motor (411) is fixed on the right side of the workbench (1), one end of the threaded rod (412) is fixed with an output shaft of the motor (411), the other end of the threaded rod (412) is rotatably connected with the left inner wall of the workbench (1) through a bearing, the two threaded blocks (413) are in threaded connection with the outer sides of the threaded rod (412), the two ends of the limiting rod (414) are respectively fixed with the inner walls of the left side and the right side of the workbench (1), and the outer sides of the limiting rod (414) are in sliding connection with the inner sides of the two threaded blocks (413).

3. The CNC four-way machining jig according to claim 2, wherein two threads with opposite directions are distributed on the outer side of the threaded rod (412), the threads are distributed in a bilateral symmetry mode through a central axis of the threaded rod (412), and the two thread blocks (413) are respectively located on the threads on two sides and distributed in a bilateral symmetry mode through the central axis of the threaded rod (412).

4. The CNC four-way machining jig according to claim 3, wherein the lifting piece (43) comprises two electric push rods (431) and two connecting rods (432), the two electric push rods (431) are respectively fixed with the front surfaces of the two threaded blocks (413), one ends of the two connecting rods (432) are respectively fixed with output shafts of the two electric push rods (431), and the other ends of the two connecting rods (432) are respectively fixed with the lower surfaces of the two mounting plates (42).

5. The CNC four-way machining jig according to claim 4, wherein a sliding opening is formed in the upper surface of the workbench (1), two connecting rods (432) are located in the sliding opening, and the width of the sliding opening is matched with the outer diameter of the connecting rods (432).

6. The CNC four-way machining jig according to claim 1, wherein the guide piece (44) comprises a first sliding rod (441), a first limiting block (442), a sliding block (443), a second sliding rod (444) and a second limiting block (445), one end of the first sliding rod (441) is fixed with the upper surface of the workbench (1), the other end of the first sliding rod (441) is fixed with the first limiting block (442), the sliding block (443) is in sliding connection with the outer side of the first sliding rod (441), one end of the second sliding rod (444) is fixed with the left side of the sliding block (443), and the other end of the second sliding rod (444) is fixed with the second limiting block (445).

7. The CNC four-way machining jig according to claim 6, wherein the outer diameter of the first limiting block (442) is larger than the outer diameter of the first sliding rod (441), and the outer diameter of the second limiting block (445) is larger than the outer diameter of the second sliding rod (444).

8. The CNC four-way machining jig according to claim 1, wherein the clamping piece (45) comprises a clamping block (451), the clamping block (451) is fixed with the front surface of the mounting plate (42), a first clamping groove (452) is formed in the lower surface of the clamping block (451), and a second clamping groove (453) is fixed on the left side of the clamping block (451).