CN219484943U - Prevent pressing from both sides and damaging mechanism and machine tool clamp - Google Patents

Abstract

The application discloses prevent pressing from both sides and damaging mechanism and lathe anchor clamps belongs to lathe processing technology field. The anti-pinch mechanism comprises a base component and a positioning component. The base assembly comprises: the supporting part and the buffering part are arranged on the supporting part, the positioning assembly comprises a clamping part and a limiting part, the clamping part is arranged on the supporting part, when the device is used, the device can further play a buffering role through compression buffering deformation of the springs, so that the workpiece is prevented from being damaged due to overlarge clamping force, the quality of the workpiece in the clamping process is ensured, the clamping effect can be further achieved through elastic reaction after the compression of the springs, the clamping loss prevention mechanism and the machine tool clamp can position and clamp the workpieces in the same batch only by adjusting the position of the stop block once by utilizing scales, the workpieces in the same batch can be positioned and clamped, the workpieces are rapidly positioned at the set position, time and labor are saved, and the processing efficiency of the workpieces is improved.

Description

Prevent pressing from both sides and damaging mechanism and machine tool clamp

Technical Field

The application belongs to the technical field of machine tool machining, and more particularly relates to an anti-clamping mechanism and a machine tool fixture.

Background

In machining a workpiece on a machine tool, it is necessary that the workpiece occupies a correct position relative to the machine tool before clamping, a process known as positioning. The workpiece is not necessarily exposed to external forces after positioning, and must be pressed in order to always maintain its correct position during the machining process, a process called clamping. The clamping process of the workpiece is a combination of a positioning process and a clamping process. A machine tool holder is a device on a machine tool for clamping a workpiece, which serves to bring the workpiece into a correct position relative to the machine tool or the knife and to keep this position unchanged during the machining process. The machine tool fixture is specially designed for a certain part product technology. At present, in the process of clamping a workpiece on a machine tool fixture, the direction of the workpiece is required to be continuously changed by using a scale to position the workpiece, so that the workpiece is positioned at a set position, the operation is too time-consuming, and the machining efficiency of the workpiece is reduced.

Disclosure of Invention

In order to solve the defects in the above technology, the application provides an anti-clamping mechanism and a machine tool fixture, which are actually used for improving the problem that at present, in the process of clamping a workpiece on the machine tool fixture, the workpiece is required to be positioned by P20230015 by continuously changing the orientation of the workpiece by using a scale, so that the workpiece is positioned at a set position, and the operation is too time-consuming.

In order to achieve the above purpose, the technical scheme of the application is as follows:

in a first aspect, the present application provides an anti-pinch mechanism comprising a base assembly and a positioning assembly.

The base assembly comprises: the supporting part and the buffer part are arranged on the supporting part.

The positioning assembly comprises a clamping part and a limiting part, wherein the clamping part is arranged on the supporting part, the limiting part is arranged on the buffering part, and the clamping part and the buffering part are correspondingly arranged.

In the implementation process, the supporting part comprises a U-shaped block, and a first sliding groove is formed in the U-shaped block.

In the implementation process, the supporting part further comprises a connecting plate, the connecting plate is fixed on the outer wall of the U-shaped block, and the connecting plate is provided with a mounting hole.

In the implementation process, the buffer part comprises a spring, a support column, a first sliding block, a buffer movable block, a first buffer rubber cushion and a limit baffle, one end of the spring is fixed in the U-shaped block, the other end of the spring is fixed on the lower surface of the support column, the first sliding block is fixed on the outer wall of the support column, the first sliding block is inserted in the first sliding groove in a sliding manner, the upper end of the support column is fixed on the lower surface of the buffer movable block, and the first buffer rubber cushion and the limit baffle are both fixed on the upper surface of the buffer movable block.

In the implementation process, the U-shaped block is provided with a groove, the support column is inserted into the groove, and one end of the spring is fixed in the groove.

In the implementation process, the clamping part comprises a screw rod, a motor, a guide rod, a clamping pressing block and a second buffer rubber cushion, one end of the screw rod is rotationally arranged on the U-shaped block, the guide rod is fixed on the U-shaped block, the motor is fixed on the upper surface of the U-shaped block, an output shaft of the motor and the other end of the screw rod are fixed together, the clamping pressing block is sleeved with threads and is arranged on the screw rod, the clamping pressing block is sleeved with the guide rod in a sliding mode, the second buffer rubber cushion is fixed on the lower surface of the clamping pressing block, a through hole is formed in the clamping pressing block, the limiting baffle penetrates through the through hole, and the second buffer rubber cushion and the first buffer rubber cushion are correspondingly arranged.

In the implementation process, the limiting part comprises a second sliding block, a stop block, a locking piece and scales, the buffering movable block is provided with a second sliding groove, the second sliding block is arranged in the second sliding groove in a sliding mode, the buffering movable block is provided with a plurality of thread grooves in a linear equidistant mode, the threads of the locking piece penetrate through the stop block, the stop block is attached to the first buffering rubber cushion, the threads of the end portion of the locking piece are in the thread grooves, and the scales are fixed on the buffering movable block.

In a second aspect, the present application further provides a machine tool fixture, including the anti-pinching mechanism, wherein the pinching portion is configured as a machine tool fixture.

Compared with the prior art, the application has the following advantages:

during the use, according to the setting position that same batch work piece needs to be in on the first buffering cushion, remove the second slider according to the scale, adjust the degree of depth of second slider in the second spout, hold the dog after adjusting, rotatory retaining member, make the tip of retaining member enter into the helicla flute, two dogs are spacing to the work piece, then place the work piece on first buffering cushion with two dogs, motor work, motor output shaft's rotation drives the lead screw and rotates, the centre gripping briquetting realizes reciprocating under the combined action of lead screw and guide arm, control motor output shaft pivoted direction, make the work piece by the centre gripping fix between first buffering cushion and second buffering cushion, the work piece is in the fixed in-process of being held, first buffering cushion and second buffering cushion can play the cushioning effect, simultaneously still set up buffering movable block and spring, through the compression buffering deformation of spring, can be further play the effect of buffering, in order to prevent the work piece from damaging because the clamping force is too big, the quality of having ensured the work piece in the centre gripping in-process, and the effect that spring compressed elasticity reaction can further play the tight, this anti-clamping mechanism and anchor clamps are used for the work piece to position the same time-saving and position to the work piece and need to be adjusted the work piece to the position of a batch, the work piece is labour saving, the same batch of adjusting position to work piece can be in the same time saving.

Drawings

Fig. 1 is a schematic perspective view of an anti-pinching mechanism according to an embodiment of the present application;

FIG. 2 is an exploded view of an anti-pinch mechanism provided in an embodiment of the present application;

FIG. 3 is a diagram of the relationship between the buffer portion and the limit portion according to the embodiment of the present application;

fig. 4 is an enlarged view of area a in fig. 3 provided in an embodiment of the present application.

In the figure: 100-a base component; 110-a support; 111-U-shaped blocks; 112-grooves; 113-a first chute; 114-connecting plates; 115-mounting holes; 120-buffer part; 121-a spring; 122-support columns; 123-a first slider; 124-buffer movable block; 125-a first buffer rubber pad; 126-limit baffles; 200-positioning an assembly; 210-a clamping portion; 211-screw rod; 212-an electric motor; 213-guide bar; 214-clamping the pressing block; 215-a second buffer cushion; 216-through holes; 220-limit part; 221-a second chute; 222-a second slider; 223-stop; 224-locking member; 225-thread groove; 226-scale.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to examples.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the examples, all means used are conventional in the art unless otherwise specified.

Referring to fig. 1-4, the present application provides an anti-pinching mechanism, which includes a base assembly 100 and a positioning assembly 200.

The positioning component 200 is arranged on the base component 100, the second sliding block 222 is moved according to the scale 226 according to the set position of the workpieces in the same batch on the first buffer rubber pad 125, the depth of the second sliding block 222 in the second sliding groove 221 is adjusted, the stop block 223 is held after the adjustment, the locking piece 224 is rotated, the end part of the locking piece 224 enters into the thread groove 225, the two stop blocks 223 limit the workpieces, then the workpieces are placed on the first buffer rubber pad 125 against the two stop blocks 223, the motor 212 works, the rotation of the output shaft of the motor 212 drives the screw rod 211 to rotate, the clamping pressing block 214 moves up and down under the combined action of the screw rod 211 and the guide rod 213, the rotation direction of the output shaft of the motor 212 is controlled, the workpieces are clamped and fixed between the first buffer rubber pad 125 and the second buffer rubber pad 215, the work piece is by the fixed in-process of centre gripping, first buffering cushion 125 and second buffering cushion 215 can play the cushioning effect, buffer movable block 124 and spring 121 have still been set up simultaneously, compression buffering deformation through spring 121, can be further play the effect of buffering, in order to prevent the work piece damage because the clamping force is too big, the quality of work piece in the centre gripping in-process has been ensured, and the elasticity reaction after the spring 121 compression can further play the effect of pressing from both sides tightly, this prevent pressing from both sides damage mechanism and lathe anchor clamps only need utilize scale 226 to carry out once to adjust the position of dog 223 to the work piece of same batch, can fix a position the centre gripping to the work piece of same batch, make the work piece be in the position department of settlement fast, labour saving and time saving, the machining efficiency to the work piece has been improved.

Referring to fig. 1-3, a base assembly 100 includes: the supporting part 110 and the buffering part 120, buffering part 120 sets up on supporting part 110, supporting part 110 includes U type piece 111, first spout 113 has been seted up on the U type piece 111, first spout 113's setting is convenient for first slider 123 remove on U type piece 111, supporting part 110 still includes connecting plate 114, connecting plate 114 is fixed on the outer wall of U type piece 111, mounting hole 115 has been seted up on the connecting plate 114, mounting hole 115's setting is convenient for install connecting plate 114 and is fixed to the lathe, buffering part 120 includes spring, support column 122, first slider 123, buffering movable block 124, first buffering cushion 125 and limit baffle 126, the one end of spring 121 is fixed in U type piece 111, the other end of spring 121 is fixed on the lower surface of support column 122, first slider 123 is fixed on the outer wall of support column 122, first slider 123 sliding insert is established in first spout 113, the upper end of support column 122 is fixed on the lower surface of buffering movable block 124, first cushion 125 and limit baffle 126 are all fixed on the upper surface of buffering movable block 124, through the compression of spring 121, can further prevent the support column 122 from damaging in the recess 112, the one end is fixed in the support column 112 because of setting up the recess 112, the groove 112 is convenient for the one end is set up in the support column 122.

Referring to fig. 1, 3 and 4, the positioning assembly 200 includes a clamping part 210 and a limit part 220, the clamping part 210 is disposed on the supporting part 110, the clamping part 210 includes a screw rod 211, a motor 212, a guide rod 213, a clamping pressing block 214 and a second buffer rubber pad 215, one end of the screw rod 211 is rotatably disposed on the U-shaped block 111, the guide rod 213 is fixed on the U-shaped block 111, the motor 212 is fixed on the upper surface of the U-shaped block 111, an output shaft of the motor 212 is fixed with the other end of the screw rod 211, the clamping pressing block 214 is threadedly sleeved on the screw rod 211, the clamping pressing block 214 is sleeved on the guide rod 213 in a sliding manner, the second buffer rubber pad 215 is fixed on the lower surface of the clamping pressing block 214, a through hole 216 is disposed on the clamping pressing block 214, the limit baffle 126 penetrates through the through hole 216, the second buffer rubber pad 215 and the first buffer rubber pad 125, the setting of the motor 212, the screw rod 211 and the guide rod 213 are convenient for the clamping pressing block 214 to move up and down, the limit part 220 is disposed on the buffer part 120, the clamping part 210 is correspondingly disposed on the upper surface of the U-shaped block 111, the limit part 220 includes a second slider 222, a stop block 223, a locking member 226 and a locking member 224 are disposed on the second slider 226 and a second sliding block 124, a second sliding block 221 is disposed on the second sliding groove 224 and a sliding groove 223 is disposed on the second sliding groove 125, the second sliding groove 223 is convenient for the sliding groove is disposed on the second sliding groove 223, and is matched with the second sliding groove 223, and is disposed on the sliding groove 223, and is matched with the sliding groove.

The present application further provides a machine tool fixture, including the anti-pinching mechanism, wherein the pinching portion 210 is configured as a machine tool fixture.

Specifically, this prevent pressing from both sides and decrease mechanism and machine tool clamp's theory of operation: during the use, according to the setting position that same batch work piece needs to be in on the first buffering cushion 125, remove second slider 222 according to scale 226, adjust the degree of depth of second slider 222 in second spout 221, the dog 223 is held after adjusting, rotatory retaining member 224, make the tip of retaining member 224 enter into in the screw groove 225, two dogs 223 carry out spacing to the work piece, then place the work piece on first buffering cushion 125 with two dogs 223, motor 212 work, the rotation of motor 212 output shaft drives lead screw 211 rotation, the centre gripping briquetting 214 realizes reciprocating under the combined action of lead screw 211 and guide arm 213, control motor 212 output shaft pivoted direction, make the work piece by the centre gripping fix between first buffering cushion 125 and second buffering cushion 215, the work piece is in by the fixed in-process of centre gripping, first buffering cushion 125 and second buffering cushion 215 can play the cushioning effect, simultaneously still set up buffering movable block 124 and spring 121, through the compression buffer deformation of spring 121, can be further play the buffering effect, in order to prevent that the work piece from damaging because the holding power is too big, the quality in the centre gripping, the work piece is in the centre gripping, and the work piece is in the quality of the back compression of spring 121 can be carried out the compression of spring to the work piece, the same batch clamp can be carried out to the setting up the work piece with the position of the work piece, the same batch clamping mechanism can be carried out, the work piece is located at the same time and the setting position has been adjusted to the work piece has the efficiency, can be broken down at the same time, the work piece has been adjusted to the position has the same place has the efficiency to the work piece has need to the position to the clamp has set up the work piece has the quality to be used to the position to the clamp the work piece is at the position to the work piece is at the same.

The foregoing examples represent only a few embodiments of the present application, which are described in detail and are not thereby to be construed as limiting the scope of the claims.

It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the protection scope of the present application is subject to the appended claims.

Claims (8)

1. The utility model provides a prevent pressing from both sides and damaging mechanism which characterized in that includes:

-a base assembly (100), the base assembly (100) comprising: a support portion (110) and a buffer portion (120), the buffer portion (120) being provided on the support portion (110); and

the positioning assembly (200), the positioning assembly (200) comprises a clamping part (210) and a limiting part (220), the clamping part (210) is arranged on the supporting part (110), the limiting part (220) is arranged on the buffering part (120), and the clamping part (210) and the buffering part (120) are correspondingly arranged.

2. The anti-pinching mechanism according to claim 1, wherein the supporting portion (110) comprises a U-shaped block (111), and a first chute (113) is formed in the U-shaped block (111).

3. The anti-pinching mechanism according to claim 2, wherein the supporting portion (110) further comprises a connecting plate (114), the connecting plate (114) is fixed on the outer wall of the U-shaped block (111), and a mounting hole (115) is formed in the connecting plate (114).

4. The anti-pinching mechanism according to claim 2, wherein the buffering portion (120) comprises a spring (121), a supporting column (122), a first sliding block (123), a buffering movable block (124), a first buffering rubber pad (125) and a limit baffle (126), one end of the spring (121) is fixed in the U-shaped block (111), the other end of the spring (121) is fixed on the lower surface of the supporting column (122), the first sliding block (123) is fixed on the outer wall of the supporting column (122), the first sliding block (123) is slidably inserted in the first sliding groove (113), the upper end of the supporting column (122) is fixed on the lower surface of the buffering movable block (124), and the first buffering rubber pad (125) and the limit baffle (126) are both fixed on the upper surface of the buffering movable block (124).

5. The anti-pinching mechanism according to claim 4, wherein the U-shaped block (111) is provided with a groove (112), the support column (122) is inserted into the groove (112), and one end of the spring (121) is fixed in the groove (112).

6. The anti-clamping mechanism according to claim 4, wherein the clamping portion (210) comprises a screw rod (211), a motor (212), a guide rod (213), a clamping pressing block (214) and a second buffer rubber pad (215), one end of the screw rod (211) is rotatably arranged on the U-shaped block (111), the guide rod (213) is fixed on the U-shaped block (111), the motor (212) is fixed on the upper surface of the U-shaped block (111), an output shaft of the motor (212) is fixed with the other end of the screw rod (211), the clamping pressing block (214) is sleeved on the screw rod (211) in a threaded manner, the clamping pressing block (214) is sleeved on the guide rod (213) in a sliding manner, the second buffer rubber pad (215) is fixed on the lower surface of the clamping pressing block (214), a through hole (216) is formed in the clamping pressing block (214), and the limiting baffle (126) penetrates through the through hole (216), and the second buffer rubber pad (215) is correspondingly arranged with the first buffer rubber pad (125).

7. The anti-pinch mechanism according to claim 6, wherein the limiting portion (220) comprises a second sliding block (222), a stop block (223), a locking member (224) and scales (226), the second sliding groove (221) is formed in the buffering movable block (124), the second sliding block (222) is slidably arranged in the second sliding groove (221), a plurality of thread grooves (225) are formed in the buffering movable block (124) in a linear equidistant mode, threads of the locking member (224) penetrate through the stop block (223), the stop block (223) is attached to the first buffering rubber pad (125), threads of the end portion of the locking member (224) are arranged in the thread grooves (225), and the scales (226) are fixed on the buffering movable block (124).

8. Machine tool fixture, characterized by comprising

An anti-pinch mechanism as claimed in any one of claims 1 to 7; the clamping portion (210) is configured as a machine tool clamp.