CN218891513U

CN218891513U - Pneumatic fixture of numerical control milling machine

Info

Publication number: CN218891513U
Application number: CN202222916073.8U
Authority: CN
Inventors: 刘波
Original assignee: Suzhou Wanda Precision Technology Co ltd
Current assignee: Suzhou Wanda Precision Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-21
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a pneumatic fixture of a numerical control milling machine, which comprises a mounting plate and a workbench, wherein a positioning block is arranged on the upper side of the mounting plate, a six-cylinder is arranged on the lower side of the mounting plate, the end part of a cylinder push rod is connected with a movable rod, a notch is arranged at the upper end of the movable rod, a clamping block is arranged between the U-shaped block and the notch, a mounting rod A is arranged on the outer surface of one side of the movable rod, a mounting rod B is arranged on the outer surface of one side of the U-shaped block, movable grooves A and B are respectively arranged in the mounting rod A and the mounting rod B, connecting pieces capable of conveniently disassembling the clamping block are arranged in the movable grooves A, the mounting block A is arranged on the outer surface of the other side of the movable rod, a mounting block B is arranged on the outer surface of one side of the U-shaped block, movable grooves B are respectively arranged in the mounting block A and the mounting block B, and fixing pieces capable of conveniently disassembling the clamping block are arranged in the movable grooves B. The clamping blocks are convenient to replace, workpieces with different shapes can be clamped by the clamping blocks with different shapes, the machining efficiency is improved, and accurate positioning is guaranteed.

Description

Pneumatic fixture of numerical control milling machine

Technical Field

The utility model relates to the technical field of machining, in particular to a pneumatic fixture of a numerical control milling machine.

Background

The numerical control milling machine is a milling machine controlled by digital signals of an electronic meter, comprehensively uses various technical achievements such as an electronic computer, automatic control, servo drive, precise measurement, novel mechanical structure and the like, and has the advantages of strong adaptability, high processing precision, stable processing quality, high production efficiency and the like.

The numerical control machine tool is mainly used for machining parts with complex shapes, the clamp is installed on the working table surface of the machine tool to position and clamp a workpiece, then the position of the part is determined through the setting of a machining coordinate system, currently, the clamping object of the clamp is single and the clamping block cannot be replaced on the numerical control milling machine or the machining center, the practicability is low, or the clamp is inconvenient to replace, so that the production efficiency is low, and the problem of the requirement of modern production is difficult to meet.

Disclosure of Invention

The utility model aims to provide a pneumatic fixture of a numerical control milling machine, which is convenient for replacing a clamping block.

In order to achieve the above object, the technical scheme of the present utility model is as follows.

A pneumatic fixture of a numerical control milling machine comprises a mounting plate and a workbench;

the upper side of the mounting plate is provided with a positioning block, the lower side of the mounting plate is provided with six cylinders, the end part of the cylinder push rod is connected with a movable rod, the movable rod penetrates the mounting plate to extend to the upper side of the mounting plate, and the upper end of the movable rod is provided with a notch;

six bottom blocks are arranged on the upper side of the mounting plate, U-shaped blocks are arranged on the upper side of the bottom blocks, and clamping blocks are arranged between the U-shaped blocks and the gaps;

a mounting rod A is arranged on the outer surface of one side of the movable rod, a mounting rod B is arranged on the outer surface of one side of the U-shaped block, movable grooves A are formed in the mounting rod A and the mounting rod B, and connecting pieces capable of conveniently disassembling the clamping blocks are arranged in the movable grooves A;

the installation block A is installed on the outer surface of the other side of the movable rod, the installation block B is installed on the outer surface of one side of the U-shaped block, the movable groove B is formed in the installation block A and the installation block B, and a fixing piece capable of conveniently disassembling the clamping block is arranged in the movable groove B.

The locating piece can carry out quick accurate location to the work piece, improves processingquality and the machining precision of work piece, and when the cylinder promotes movable rod and reciprocates, can drive the clamp block and rotate to carry the work piece through the cooperation with the locating piece, realize the fixed to the work piece, through the cooperation of connecting piece and mounting, can change the clamp block, removable different clamp block, thereby realize pressing from both sides the part of tight different shapes, but also can realize the purpose of many parts simultaneous clamping.

Further, the connecting piece comprises an inserting rod inserted in the movable groove A, the end part of the inserting rod penetrates through the clamping block to extend to the outer side of the movable rod or the U-shaped block, a shaft shoulder is arranged on the outer surface of the inserting rod, the shaft shoulder is in limiting sliding connection with the inner wall of the movable groove A, a positioning hole is formed in the lower side of the end part of the inserting rod, and a pull ring is arranged at the other end of the inserting rod;

the fixing piece comprises a positioning rod arranged in the movable groove B, the bottom of the positioning rod is connected with a spring A, the bottom of the spring A is connected with the inner wall of the movable groove B, a communication notch is formed in the side wall of the movable groove B, the outer surface of the positioning rod is connected with a lower pressing block, and the end part of the lower pressing block penetrates through the communication notch and extends to the outer side of the mounting block A or the mounting block B;

when the positioning hole is aligned with the positioning rod, the positioning rod can be inserted into the positioning hole.

Further, the outer surface of the inserted link is sleeved with a spring B, and two ends of the spring B are respectively connected with the surface of the shaft shoulder and the inner wall of the movable groove A.

The positioning rod is driven to be separated from the positioning hole by downwards pulling the lower pressing block, so that the inserting rod is pulled out, the clamping block is installed again after the clamping block is replaced, the operation is simple, the purpose of quickly replacing the clamping block can be achieved, and the production efficiency is improved.

Further, three sliding grooves are formed in the surface of the workbench, four supporting columns are installed at the bottom of the mounting plate, bolts are connected with the inner portions of the four supporting columns in a threaded mode, the bottoms of the four bolts extend into the three sliding grooves respectively, and round blocks are installed at the bottoms of the bolts.

When the bolt is screwed, the round block is driven to move upwards and tightly press the inner wall of the chute, and the support column and the workbench are tightly pressed, so that the mounting plate is fixed, and the mounting plate can be adjusted in position and replaced by loosening the bolt in a sliding manner.

Further, one end of the inserted link, which faces the positioning link, is in a circular arc structure, and one end of the positioning link, which faces the inserted link, is in a circular arc structure.

The inserted bar can push the locating bar to move downwards when the locating bar is extruded, so that the inserted bar can move forwards continuously, and the locating bar can be automatically inserted into the locating hole to fix the inserted bar under the action of the elastic force of the spring A, and the installation is convenient.

Further, a rubber pad is adhered to the outer surface of the lower pressing block, and anti-skid patterns are formed on the outer surface of the rubber pad.

The friction force can be increased through the functions of the rubber pad and the anti-skid patterns, and the phenomenon of hand slip is avoided.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the bottom structure of the mounting plate according to the present utility model.

Fig. 3 is an enlarged schematic view of a in fig. 1.

Fig. 4 is an enlarged schematic view of B in fig. 1.

Fig. 5 is a schematic view of a connection structure of a connecting member and a fixing member according to the present utility model.

FIG. 6 is a schematic view of a partial cross-sectional structure of a support column region according to the present utility model.

In the figure: 100. a mounting plate; 101. a positioning block; 102. a cylinder; 103. a movable rod; 104. a notch; 105. a bottom block; 106. a U-shaped block; 107. a clamping block; 108. a mounting rod A; 109. a mounting rod B; 110. a mounting block A; 111. a mounting block B; 112. a movable groove A; 113. a movable groove B; 200. a connecting piece; 201. a rod; 202. a shaft shoulder; 203. positioning holes; 204. a pull ring; 300. a fixing member; 301. a positioning rod; 302. a spring A; 303. a communication notch; 304. pressing the block; 400. a spring B; 500. a work table; 501. a chute; 502. a support column; 503. a bolt; 504. round blocks.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings.

1-6, a numerically controlled milling machine pneumatic fixture comprises a mounting plate 100 and a workbench 500;

the upper side of the mounting plate 100 is provided with a positioning block 101, the lower side of the mounting plate 100 is provided with six cylinders 102, the end part of a push rod of each cylinder 102 is connected with a movable rod 103, the movable rods 103 penetrate through the mounting plate 100 to extend to the upper side of the mounting plate 100, and the upper ends of the movable rods 103 are provided with notches 104;

six bottom blocks 105 are arranged on the upper side of the mounting plate 100, U-shaped blocks 106 are arranged on the upper side of the bottom blocks 105, and clamping blocks 107 are arranged between the U-shaped blocks 106 and the gaps 104;

a mounting rod A108 is arranged on the outer surface of one side of the movable rod 103, a mounting rod B109 is arranged on the outer surface of one side of the U-shaped block 106, a movable groove A112 is formed in each of the mounting rod A108 and the mounting rod B109, and a connecting piece 200 capable of conveniently disassembling the clamping block 107 is arranged in each of the movable groove A112;

the installation block A110 is installed on the outer surface of the other side of the movable rod 103, the installation block B111 is installed on the outer surface of one side of the U-shaped block 106, the movable groove B113 is formed in the installation block A110 and the installation block B111, and the fixing piece 300 capable of conveniently disassembling the clamping block 107 is arranged in the movable groove B113.

When the device is used for clamping a workpiece, the position of the workpiece can be positioned through the positioning block 101, and then the air cylinder 102 is started to push the movable rod 103 to move upwards, so that the clamping block 107 is driven to rotate and be pressed on the surface of the workpiece, and the purpose of clamping the workpiece is achieved.

Preferably, the connecting piece 200 comprises a plug rod 201 inserted into the movable groove A112, the end part of the plug rod 201 passes through the clamping block 107 and extends to the outer side of the movable rod 103 or the U-shaped block 106, a shaft shoulder 202 is arranged on the outer surface of the plug rod 201, the shaft shoulder 202 is in limit sliding connection with the inner wall of the movable groove A112, a positioning hole 203 is formed in the lower side of the end part of the plug rod 201, and a pull ring 204 is arranged at the other end of the plug rod 201;

the fixing piece 300 comprises a locating rod 301 arranged in the movable groove B113, the bottom of the locating rod 301 is connected with a spring A302, the bottom of the spring A302 is connected with the inner wall of the movable groove B113, the side wall of the movable groove B113 is provided with a communication notch 303, the outer surface of the locating rod 301 is connected with a lower pressing block 304, and the end part of the lower pressing block 304 penetrates through the communication notch 303 and extends to the outer side of the installation block A110 or the installation block B111;

when the positioning hole 203 is aligned with the positioning rod 301, the positioning rod 301 can be inserted into the positioning hole 203.

When the clamping block 107 needs to be replaced, the lower pressing block 304 can be pushed downwards to drive the positioning rod 301 to descend and move out of the positioning hole 203, the pull ring 204 can be pulled outwards after the positioning rod 201 loses the fixing of the positioning rod 301, after the new clamping block 107 is replaced, the positioning rod 201 passes through the inside of the clamping block 107 again and continues to move outwards, when the positioning hole 203 aligns to the positioning rod 301, the positioning rod 301 is automatically inserted into the positioning hole 203 to fix the positioning rod 201 under the pushing of the elastic force of the spring A302, and then the installation of the clamping block 107 is realized, and the positioning rod 301 is stably inserted into the positioning hole 203 under the pushing force of the spring A302.

Preferably, the outer surface of the inserted link 201 is sleeved with a spring B400, and two ends of the spring B400 are respectively connected with the surface of the shaft shoulder 202 and the inner wall of the movable groove A112.

After the positioning rod 301 is pulled out from the positioning hole 203, the inserting rod 201 automatically contracts under the action of the tension of the spring B400 and is separated from the clamping block 107, the clamping block 107 is conveniently and rapidly taken out for replacement, and the spring B400 applies a certain tension to the inserting rod 201, so that the inner wall of the positioning hole 203 is in closer contact with the positioning rod 301, and the connection effect is improved.

Preferably, three sliding grooves 501 are formed in the surface of the workbench 500, four supporting columns 502 are mounted at the bottom of the mounting plate 100, bolts 503 are connected with the inner portions of the four supporting columns 502 in a threaded mode, the bottoms of the four bolts 503 extend into the three sliding grooves 501 respectively, and round blocks 504 are mounted at the bottoms of the bolts 503.

When the mounting plate 100 is mounted, the round block 504 can be slidably placed in the chute 501, and then the bolt 503 is screwed down to drive the round block 504 to move upwards, so that the round block 504 presses the inner wall of the chute 501, the support column 502 presses the surface of the workbench 500, the mounting of the mounting plate 100 is realized, and the position of the mounting plate 100 can be conveniently adjusted by loosening the bolt 503.

Preferably, the end of the insert rod 201 facing the positioning rod 301 has a circular arc structure, and the end of the positioning rod 301 facing the insert rod 201 has a circular arc structure.

When the clamping block 107 is installed, the insert rod 201 is pushed to move forward and squeeze the positioning rod 301, the arc surfaces at the ends of the insert rod 201 and the positioning rod 301 are contacted with each other, the positioning rod 301 can be squeezed to move downward, the insert rod 201 can move forward continuously, and the positioning rod 301 can be automatically inserted into the positioning hole 203 to fix the insert rod 201 under the action of the elastic force of the spring A302, so that the installation is convenient.

Preferably, a rubber pad is adhered to the outer surface of the lower pressing block 304, and anti-slip patterns are formed on the outer surface of the rubber pad.

When the pressing block 304 is pressed downwards to separate the positioning rod 301 from the inserting rod 201, the rubber pad can increase the comfort level with the hand, and the friction force with the hand can be improved by matching with the anti-skid patterns, so that the hand slipping caused by the conditions of perspiration, dampness and the like of the hand is avoided.

The foregoing detailed description of the utility model has been presented in conjunction with a specific embodiment, and it is not intended that the utility model be limited to such detailed description. Several equivalent substitutions or obvious modifications will occur to those skilled in the art to which this utility model pertains without departing from the spirit of the utility model, and the same should be considered to be within the scope of this utility model as defined in the appended claims.

Claims

1. The utility model provides a numerically controlled fraise machine pneumatic clamp, includes mounting panel (100) and workstation (500), its characterized in that:

the device is characterized in that a positioning block (101) is arranged on the upper side of the mounting plate (100), six air cylinders (102) are arranged on the lower side of the mounting plate (100), movable rods (103) are connected to the end parts of push rods of the air cylinders (102), the movable rods (103) penetrate through the mounting plate (100) and extend to the upper side of the mounting plate (100), and notches (104) are formed in the upper ends of the movable rods (103);

six bottom blocks (105) are arranged on the upper side of the mounting plate (100), U-shaped blocks (106) are arranged on the upper side of the bottom blocks (105), and clamping blocks (107) are arranged between the U-shaped blocks (106) and the gaps (104);

an installation rod A (108) is installed on the outer surface of one side of the movable rod (103), an installation rod B (109) is installed on the outer surface of one side of the U-shaped block (106), movable grooves A (112) are formed in the installation rod A (108) and the installation rod B (109), and connecting pieces (200) capable of conveniently disassembling the clamping blocks (107) are arranged in the movable grooves A (112);

the movable rod is characterized in that an installation block A (110) is installed on the outer surface of the other side of the movable rod (103), an installation block B (111) is installed on the outer surface of one side of the U-shaped block (106), a movable groove B (113) is formed in the installation block A (110) and the installation block B (111), and a fixing piece (300) capable of conveniently disassembling the clamping block (107) is arranged in the movable groove B (113).

2. The numerically controlled fraise machine pneumatic jig of claim 1, wherein:

the connecting piece (200) comprises an inserting rod (201) inserted into the movable groove A (112), the end part of the inserting rod (201) penetrates through the clamping block (107) to extend to the outer side of the movable rod (103) or the U-shaped block (106), a shaft shoulder (202) is arranged on the outer surface of the inserting rod (201), the shaft shoulder (202) is in limiting sliding connection with the inner wall of the movable groove A (112), a positioning hole (203) is formed in the lower side of the end part of the inserting rod (201), and a pull ring (204) is arranged at the other end of the inserting rod (201);

the fixing piece (300) comprises a locating rod (301) arranged in the movable groove B (113), a spring A (302) is connected to the bottom of the locating rod (301), the bottom of the spring A (302) is connected with the inner wall of the movable groove B (113), a communication notch (303) is formed in the side wall of the movable groove B (113), a pressing block (304) is connected to the outer surface of the locating rod (301), and the end portion of the pressing block (304) penetrates through the communication notch (303) to extend to the outer side of the installation block A (110) or the installation block B (111);

the positioning rod (301) can be inserted into the positioning hole (203) when the positioning hole (203) is aligned with the positioning rod (301).

3. The numerically controlled fraise machine pneumatic jig of claim 2, wherein:

the outer surface of the inserted link (201) is sleeved with a spring B (400), and two ends of the spring B (400) are respectively connected with the surface of the shaft shoulder (202) and the inner wall of the movable groove A (112).

4. A numerically controlled fraise machine pneumatic jig as claimed in claim 3, wherein:

three spouts (501) have been seted up on the surface of workstation (500), four support column (502) are installed to the bottom of mounting panel (100), four the inside equal threaded connection of support column (502) has bolt (503), four the bottom of bolt (503) extends respectively to three in spout (501), circle piece (504) are installed to the bottom of bolt (503).

5. The numerically controlled fraise machine pneumatic jig of claim 4, wherein:

the end of the inserted link (201) facing the positioning link (301) is in a circular arc structure, and the end of the positioning link (301) facing the inserted link (201) is in a circular arc structure.

6. The numerically controlled fraise machine pneumatic jig of claim 5, wherein:

the outer surface of the lower pressing block (304) is adhered with a rubber pad, and the outer surface of the rubber pad is provided with anti-skid patterns.