CN216939614U

CN216939614U - Pneumatic clamp of numerical control milling machine

Info

Publication number: CN216939614U
Application number: CN202220690586.9U
Authority: CN
Inventors: 张祖平
Original assignee: Feibo Zhichuang Technology Hubei Co ltd
Current assignee: Feibo Zhichuang Technology Hubei Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-12
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to the technical field of numerical control milling machines and discloses a pneumatic clamp of a numerical control milling machine, which comprises a base and two groups of fixing plates arranged on the left side and the right side of the upper surface of the base, wherein two groups of sliding rods are fixedly connected to the inner side surfaces of the fixing plates, clamping blocks are slidably sleeved on the outer surfaces of the sliding rods, a first air cylinder is fixedly connected to the inner wall of each fixing plate, and the output end of the first air cylinder is fixedly connected with the outer side surfaces of the clamping blocks. This numerical control milling machine air jig, through the air exhauster, the dust absorption hose, the dust screen, retrieve box and inlet port cooperation use, make the air exhauster will retrieve the inside air of box through the dust absorption hose and take out, milling cutter mills produced sweeps and dust and passes through the inlet port and inhale and retrieve inside the box, the user can take out to retrieve the box and retrieve sweeps and dust, thereby further reduced the probability that sweeps and dust splashes everywhere, made things convenient for the staff to clean numerical control milling machine, made things convenient for clastic recovery work simultaneously.

Description

Pneumatic clamp of numerical control milling machine

Technical Field

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

Background

The milling machine fixture is mainly used for processing planes, grooves, splines and various forming surfaces on parts, is one of the most commonly used fixtures and mainly comprises a positioning device, a clamping device, a fixture body, a connecting element and a tool setting element.

For example, chinese patent application nos.: 201820411756.9, a numerically controlled fraise machine air jig substantially as described herein: including the base, vibration damping mount, cylinder and screw, this numerical control milling machine air jig has fixed the dead lever that has the diaphragm in base top right side position, the fan has been fixed in the diaphragm inboard simultaneously, effect through the fan, can clear up the sweeps of splashing in the device inside, do benefit to the user and clear up, but the fan blows the sweeps aloft easily, the sweeps scatters on the workstation, it is more difficult to clear up, and the device's fan and diaphragm are located the top of first clamp splice and second clamp splice, fan and diaphragm can cause the influence to milling cutter's removal.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a pneumatic clamp of a numerical control milling machine, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a pneumatic clamp of a numerical control milling machine comprises a base and two groups of fixed plates arranged on the left side and the right side of the upper surface of the base, wherein two groups of sliding rods are fixedly connected to the inner side surfaces of the fixed plates, clamping blocks are sleeved on the outer surfaces of the sliding rods in a sliding manner, a first air cylinder is fixedly connected to the inner wall of each fixed plate, the output end of the first air cylinder is fixedly connected with the outer side surfaces of the clamping blocks, mounting plates are fixedly connected to the bottoms of the left side surface and the right side surface of the base respectively, three groups of mounting bolts are inserted on the upper surface of each mounting plate, nuts are connected to the bottoms of the outer surfaces of the mounting bolts in a threaded manner, L-shaped grooves are formed in the clamping blocks on the right side, L-shaped clamping rods are slidably connected to the inner wall of each L-shaped groove, supporting plates are fixedly connected to the front surfaces and the back surfaces of the clamping blocks on the right side respectively, a second air cylinder is fixedly connected to the upper surfaces of the supporting plates, and the output ends of the second air cylinders are fixedly connected with the outer side surfaces of the L-shaped clamping rods, lie in left clamp splice right flank and offer the sideslip groove with L clamp bar looks adaptation, base inner wall slidable cartridge has the recovery box, it is provided with the dust screen to retrieve the positive fixedly connected with handle of box and the back, base upper surface middle part is provided with the magnet piece, the multiunit inlet port has been seted up to the base upper surface, base back intercommunication has the dust absorption hose, dust absorption hose bottom is provided with the air exhauster, the input of air exhauster and dust absorption hose's bottom intercommunication.

Preferably, the outer surface of the mounting bolt is sleeved with an elastic washer, the elastic washer is made of brass, and the thickness of the elastic washer is one millimeter.

Preferably, the front side and the rear side of the lower surface of the clamping block are fixedly connected with the T-shaped sliding block, and the upper surface of the base is provided with a T-shaped sliding groove matched with the T-shaped sliding block.

Preferably, the outer surface of the sliding rod is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding rod is zero two millimeters.

Preferably, the outer surface of the sliding rod is slidably sleeved with four groups of stabilizing lantern rings, and the inner ends of the stabilizing lantern rings are fixedly connected with the outer surface of the clamping block.

Preferably, the lower surface of the supporting plate is fixedly connected with two reinforcing ribs, and the inner side surfaces of the reinforcing ribs are fixedly connected with the outer surface of the clamping block on the right side.

Preferably, retrieve the equal fixedly connected with rectangle draw runner of box left surface and right flank, the base inner wall is seted up with the rectangle spout of rectangle draw runner looks adaptation.

Preferably, the inner side surface of the clamping block is fixedly connected with an anti-skid gasket, the anti-skid gasket is made of rubber, and anti-skid convex grains are arranged on the inner side surface of the anti-skid gasket.

Preferably, the outer side of the fixing plate is fixedly connected with two groups of supporting rods, and the bottom ends of the supporting rods are fixedly connected with the upper surface of the base.

Preferably, the recycling box is made of aluminum alloy, the outer surface of the recycling box is subjected to anodic oxidation treatment, and the base is made of 316 stainless steel.

(III) advantageous effects

Compared with the prior art, the utility model provides a pneumatic clamp of a numerical control milling machine, which has the following beneficial effects:

1. this numerical control milling machine air jig, through the air exhauster, the dust absorption hose, the dust screen, retrieve box and inlet port cooperation use, make the air exhauster will retrieve the inside air of box through the dust absorption hose and take out, milling cutter mills produced sweeps and dust and passes through the inlet port and inhale and retrieve inside the box, the user can take out to retrieve the box and retrieve sweeps and dust, thereby further reduced the probability that sweeps and dust splashes everywhere, made things convenient for the staff to clean numerical control milling machine, made things convenient for clastic recovery work simultaneously.

2. This numerically controlled fraise machine air jig, through the clamp splice, the L shape groove, the second cylinder, L clamp pole cooperation is used, make first cylinder output drive two sets of clamp splices inward movement, two sets of clamp splices are to the left and right sides direction of part step up fixedly, the second cylinder drives L clamp pole inward movement simultaneously, L clamp pole presss from both sides tightly fixedly to the fore-and-aft direction of part, thereby the device can press from both sides the part of adorning various shapes, the probability that the part emptyd in the course of working has been reduced simultaneously, the stability of parts machining has been improved.

3. This numerical control milling machine air jig, through setting up the magnet piece, make the staff can place the part in the top of magnet piece, the magnet piece is fixed in advance to the part, thereby be convenient for the follow-up tight work of clamp splice and L shape clamping bar, through setting up slide bar and clamp splice, make the slide bar play the effect of stabilizing its movement track to the clamp splice, thereby further improved the stability that first cylinder impeld the clamp splice, guaranteed the clamp quality of dress of clamp splice to the part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an expanded view of the present invention;

FIG. 3 is a schematic view of a clamping block structure according to the present invention;

FIG. 4 is a cross-sectional view of the base of the present invention.

In the figure: 1. a base; 101. an air inlet; 2. a fixing plate; 3. a slide bar; 4. a clamping block; 401. an L-shaped slot; 402. a horizontal chute; 5. a first cylinder; 6. mounting a plate; 7. installing a bolt; 8. a nut; 9. an L-shaped clamping bar; 10. a support plate; 11. a second cylinder; 12. a recovery box; 13. a handle; 14. a dust screen; 15. a magnet piece; 16. a dust collection hose; 17. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pneumatic clamp of a numerical control milling machine comprises a base 1 and two groups of fixed plates 2 arranged on the left side and the right side of the upper surface of the base 1, wherein the inner side surfaces of the fixed plates 2 are fixedly connected with two groups of sliding rods 3, the outer surface of each sliding rod 3 is slidably sleeved with a clamping block 4, the inner wall of each fixed plate 2 is fixedly connected with a first air cylinder 5, the output end of each first air cylinder 5 is fixedly connected with the outer side surface of each clamping block 4, the bottoms of the left side surface and the right side surface of the base 1 are fixedly connected with mounting plates 6, three groups of mounting bolts 7 are inserted on the upper surfaces of the mounting plates 6, the bottoms of the outer surfaces of the mounting bolts 7 are in threaded connection with nuts 8, an L-shaped groove 401 is formed in the clamping block 4 on the right side, the inner wall of the L-shaped groove 401 is slidably connected with an L-shaped clamping rod 9, the front surface and the back surface of the clamping block 4 on the right side are fixedly connected with a supporting plate 10, the upper surface of the supporting plate 10 is fixedly connected with a second air cylinder 11, the output end of the second air cylinder 11 is fixedly connected with the outer side surface of the L-shaped clamping rod 9, the right side surface of the clamping block 4 positioned on the left side is provided with a transverse sliding groove 402 matched with the L-shaped clamping rod 9, the inner wall of the base 1 is slidably inserted with a recovery box 12, the front surface of the recovery box 12 is fixedly connected with a handle 13, the back surface of the recovery box 12 is provided with a dust screen 14, the middle part of the upper surface of the base 1 is provided with a magnet sheet 15, the upper surface of the base 1 is provided with a plurality of groups of air inlet holes 101, the back surface of the base 1 is communicated with a dust suction hose 16, the bottom of the dust suction hose 16 is provided with an exhaust fan 17, the input end of the exhaust fan 17 is communicated with the bottom end of the dust suction hose 16, the exhaust fan 17, the dust suction hose 16, the dust screen 14, the recovery box 12 and the air inlet holes 101 are matched for use, so that the exhaust fan 17 extracts air in the recovery box 12 through the dust suction hose 16, the waste chips and the dust generated by milling of the milling cutter are sucked into the recovery box 12 through the air inlet holes 101, and the recovery box 12 can be taken out by a user for recovering the waste chips and the dust, thereby further reducing the probability of splashing of scraps and dust, facilitating cleaning of the numerical control milling machine by workers, facilitating recovery work of scraps, enabling the output end of the first cylinder 5 to drive the two groups of clamping blocks 4 to move inwards through the matching use of the clamping blocks 4, the L-shaped groove 401, the second cylinder 11 and the L-shaped clamping rod 9, enabling the two groups of clamping blocks 4 to clamp and fix the left and right directions of the part, enabling the second cylinder 11 to drive the L-shaped clamping rod 9 to move inwards, and enabling the L-shaped clamping rod 9 to clamp and fix the front and back directions of the part, so that the device can clamp parts in various shapes, simultaneously reducing the probability of toppling of the parts in the processing process, improving the stability of part processing, enabling the workers to place the parts above the magnet pieces 15 by arranging the magnet pieces 15, pre-fixing the parts by the magnet pieces 15, and facilitating subsequent clamping work of the clamping blocks 4 and the L-shaped clamping rod 9, through setting up slide bar 3 and clamp splice 4 for slide bar 3 has played the effect of stabilizing its motion orbit to clamp splice 4, thereby has further improved the stability that first cylinder 5 impeld clamp splice 4, has guaranteed clamp quality of clamp splice 4 to the part.

In the utility model, in order to further improve the mounting stability of the mounting bolt, the outer surface of the mounting bolt 7 is sleeved with the elastic washer, the elastic washer is made of brass, the thickness of the elastic washer is one millimeter, and the elastic washer is arranged, so that the mounting stability of the mounting bolt is further improved.

In the utility model, in order to further enhance the motion stability of the clamping block 4, the front side and the rear side of the lower surface of the clamping block 4 are fixedly connected with the T-shaped sliding blocks, the upper surface of the base 1 is provided with the T-shaped sliding grooves matched with the T-shaped sliding blocks, and the T-shaped sliding blocks are matched with the T-shaped sliding grooves, so that the motion stability of the clamping block 4 is further enhanced.

In the utility model, in order to further enhance the smoothness of the movement of the clamping block 4, the lubricating grease layer is arranged on the outer surface of the sliding rod 3, and the thickness of the lubricating grease layer on the outer surface of the sliding rod 3 is zero point two millimeters, so that the friction force between the sliding rod 3 and the clamping block 4 is reduced, and the smoothness of the movement of the clamping block 4 is further enhanced.

In the utility model, in order to further enhance the motion stability of the clamping block 4, four groups of stabilizing lantern rings are slidably sleeved on the outer surface of the sliding rod 3, and the inner ends of the stabilizing lantern rings are fixedly connected with the outer surface of the clamping block 4, so that the stabilizing lantern rings play a role of stabilizing the motion track of the clamping block 4, and the motion stability of the clamping block 4 is further enhanced.

In the utility model, in order to further enhance the supporting stability of the supporting plate 10, two reinforcing ribs are fixedly connected to the lower surface of the supporting plate 10, and the inner side surfaces of the reinforcing ribs are fixedly connected with the outer surface of the clamping block 4 positioned on the right side, so that the reinforcing ribs play a role in stably supporting the supporting plate 10, thereby further enhancing the supporting stability of the supporting plate 10.

In the utility model, in order to further enhance the motion stability of the recovery box 12, rectangular sliding strips are fixedly connected to the left side surface and the right side surface of the recovery box 12, and rectangular sliding grooves matched with the rectangular sliding strips are formed in the inner wall of the base 1 and are matched with the rectangular sliding strips through the rectangular sliding grooves, so that the motion stability of the recovery box 12 is further enhanced.

In the utility model, in order to further enhance the clamping quality of the clamping block 4 to the part, the inner side surface of the clamping block 4 is fixedly connected with an anti-skid gasket made of rubber, the inner side surface of the anti-skid gasket is provided with anti-skid convex particles, and the clamping quality of the clamping block 4 to the part is further enhanced by arranging the anti-skid gasket.

In the utility model, in order to further enhance the supporting stability of the fixing plate 2, two groups of supporting rods are fixedly connected to the outer side of the fixing plate 2, and the bottom ends of the supporting rods are fixedly connected with the upper surface of the base 1, so that the supporting rods play a role of stably supporting the fixing plate 2, thereby further enhancing the supporting stability of the fixing plate 2.

In the utility model, in order to further enhance the antirust performance of the device, the recovery box 12 is made of aluminum alloy, the outer surface of the recovery box 12 is subjected to anodic oxidation treatment, the base 1 is made of 316 stainless steel, and the antirust performance of the device is further enhanced by setting the material of the device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the device is installed on a workbench of a numerical control milling machine through a mounting bolt 7 and a nut 8, an exhaust fan 17 is placed on the ground, a part is placed on a base 1, a first air cylinder 5 is started, the output end of the first air cylinder 5 drives two groups of clamping blocks 4 to move inwards, the two groups of clamping blocks 4 clamp and fix the left and right directions of the part, an L-shaped clamping rod 9 is inserted into a transverse sliding groove 402, a second air cylinder 11 is started, the output end of the second air cylinder 11 drives the L-shaped clamping rod 9 to move inwards, the L-shaped clamping rod 9 clamps and fixes the front and back directions of the part, the part is processed by a milling cutter, waste chips and dust are generated in processing, the exhaust fan is started, the exhaust fan 17 extracts air in a recovery box 12 through a dust absorption hose 16, the waste chips and the dust generated in milling by the milling cutter are sucked into the recovery box 12 through an air inlet hole 101, and the recovery box 12 is taken out to recover the waste chips and the dust.

In conclusion, this numerically controlled fraise machine air jig, through air exhauster 17, dust absorption hose 16, dust screen 14, retrieve box 12 and inlet port 101 cooperation use, make air exhauster 17 take out the inside air of retrieving box 12 through dust absorption hose 16, milling cutter mills produced sweeps and dust and inhales through inlet port 101 and retrieves inside box 12, the user can take out and retrieve box 12 and retrieve sweeps and dust, thereby further reduced the probability that sweeps and dust splash everywhere, made things convenient for the staff to clean the numerically controlled fraise machine, made things convenient for clastic recovery work simultaneously.

This numerically controlled fraise machine air jig, through clamp splice 4, L shape groove 401, second cylinder 11, L clamp rod 9 cooperation is used, make 5 outputs of first cylinder drive two sets of clamp splices 4 inward movement, two sets of clamp splices 4 are fixed to the left and right sides direction of part step up, second cylinder 11 drives L clamp rod 9 inward movement simultaneously, L clamp rod 9 presss from both sides the front and back direction of part and presss from both sides fixedly, thereby the device can press from both sides the part of dress various shapes, the probability that the part emptys in the course of working has been reduced simultaneously, the stability of parts machining has been improved.

This numerical control milling machine pneumatic jig, through setting up magnet piece 15, make the staff can place the part in the top of magnet piece 15, magnet piece 15 is fixed in advance to the part, thereby be convenient for clamp splice 4 and the follow-up tight work of clamp splice 9 of L, through setting up slide bar 3 and clamp splice 4, make slide bar 3 play the effect of stabilizing its movement track to clamp splice 4, thereby further improved the stability that first cylinder 5 impeld clamp splice 4, the clamp quality of clamp splice 4 to the part has been guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control milling machine air jig, includes base (1) and sets up two sets of fixed plate (2) in the left and right sides of base (1) upper surface, two sets of slide bar (3) of fixed plate (2) medial surface fixedly connected with, slide bar (3) surface slidable cover is equipped with clamp splice (4), fixed plate (2) inner wall fixedly connected with first cylinder (5), the output of first cylinder (5) and the lateral surface fixed connection of clamp splice (4), its characterized in that: the bottom of the left side surface and the bottom of the right side surface of the base (1) are fixedly connected with mounting plates (6), three groups of mounting bolts (7) are inserted on the upper surface of each mounting plate (6), the bottom of the outer surface of each mounting bolt (7) is in threaded connection with a nut (8), an L-shaped groove (401) is formed in the clamping block (4) on the right side, the inner wall of each L-shaped groove (401) is in sliding connection with an L-shaped clamping rod (9), the front surface and the back surface of the clamping block (4) on the right side are fixedly connected with supporting plates (10), the upper surface of each supporting plate (10) is fixedly connected with a second air cylinder (11), the output end of each second air cylinder (11) is fixedly connected with the outer side surface of each L-shaped clamping rod (9), the right side surface of the clamping block (4) on the left side is provided with a transverse sliding groove (402) matched with the L-shaped clamping rods (9), and a recovery box (12) is inserted in the inner wall of the base (1) in a sliding manner, retrieve box (12) openly fixedly connected with handle (13) and the back and be provided with dust screen (14), base (1) upper surface middle part is provided with magnet piece (15), multiunit inlet port (101) have been seted up to base (1) upper surface, base (1) back intercommunication has dust absorption hose (16), dust absorption hose (16) bottom is provided with air exhauster (17), the input of air exhauster (17) and the bottom intercommunication of dust absorption hose (16).

2. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the outer surface of the mounting bolt (7) is sleeved with an elastic washer, the elastic washer is made of brass, and the thickness of the elastic washer is one millimeter.

3. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the front side and the rear side of the lower surface of the clamping block (4) are fixedly connected with the T-shaped sliding blocks, and the upper surface of the base (1) is provided with T-shaped sliding grooves matched with the T-shaped sliding blocks.

4. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the outer surface of the sliding rod (3) is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding rod (3) is zero point two millimeters.

5. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the outer surface of the sliding rod (3) is slidably sleeved with four groups of stabilizing lantern rings, and the inner ends of the stabilizing lantern rings are fixedly connected with the outer surface of the clamping block (4).

6. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the lower surface of the supporting plate (10) is fixedly connected with two reinforcing ribs, and the inner side surfaces of the reinforcing ribs are fixedly connected with the outer surface of the clamping block (4) on the right side.

7. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: retrieve the equal fixedly connected with rectangle draw runner of box (12) left surface and right flank, the rectangle spout with rectangle draw runner looks adaptation is seted up to base (1) inner wall.

8. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the inner side surface of the clamping block (4) is fixedly connected with an anti-slip gasket, the anti-slip gasket is made of rubber, and anti-slip convex grains are arranged on the inner side surface of the anti-slip gasket.

9. The numerically controlled milling machine pneumatic clamp according to claim 1, wherein: the outer side of the fixed plate (2) is fixedly connected with two groups of supporting rods, and the bottom ends of the supporting rods are fixedly connected with the upper surface of the base (1).

10. A numerically controlled fraise machine pneumatic jig according to claim 1, characterized in that: the recycling box (12) is made of aluminum alloy, the outer surface of the recycling box (12) is subjected to anodic oxidation treatment, and the base (1) is made of 316 stainless steel.