CN215510370U

CN215510370U - Anti-collision device of numerical control grinding machine

Info

Publication number: CN215510370U
Application number: CN202120975587.3U
Authority: CN
Inventors: 张善语
Original assignee: Guizhou Dingshan Precision Machinery Co ltd
Current assignee: Guizhou Dingshan Precision Machinery Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-14
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses an anti-collision device for a numerically controlled grinding machine, which belongs to the technical field of numerically controlled grinding machines. An anti-collision device for a numerically controlled grinding machine, comprising a support base and a support frame mounted on the base, wherein a clamping piece for clamping is arranged on the support frame, and the clamping piece is composed of a first clamping block and a second clamping piece. It is composed of two clamping blocks. The sides of the first clamping block and the second clamping block are provided with guide columns. The support frame is provided with guide holes for the guide columns to pass through. Each of the guide columns There are springs on the tops to prevent the segments from easily colliding with other devices during processing. Therefore, the guide columns are designed to intersperse the clamping pieces in the guide holes of the support frame before and after, to ensure that there is room for buffering when the collision clamps collide, and It is suitable for clamping and fixing of workpieces of different lengths.

Description

Anti-collision device of numerical control grinding machine

Technical Field

The utility model belongs to the technical field of numerically controlled grinders, and particularly relates to an anti-collision device of a numerically controlled grinder.

Background

With the rapid development of socioeconomic, as the name suggests, a clamp is a device for clamping a workpiece (or guiding a tool). The clamp is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a fixture, such as a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, etc. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

However, the anti-collision clamp used by the existing machine tool is not stable enough in connection and fixation of the duct piece in use, so that the duct piece is easy to shake and further to displace, and meanwhile, the duct piece is easy to collide with other devices in the machining process, so that the duct piece is damaged to a certain extent, and the use cost is increased; therefore, the existing requirements are not met, and the collision-proof device of the numerical control grinding machine is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-collision device for a numerically controlled grinding machine, and solves the problems that a clamp is extremely easy to collide with other devices in the overturning process to cause damage, and cannot be suitable for clamping workpieces with different lengths.

The technical scheme adopted by the utility model is as follows:

the utility model provides a numerically control grinder collision device, includes fixture, fixture includes the base of support usefulness and installs the support frame on the base be provided with the holder of centre gripping usefulness on the support frame, the holder comprises first grip block and second grip block, first grip block and second grip block symmetry set up on the support frame, the side of first grip block and second grip block all is provided with the guide post all set up the guiding hole that supplies the guide post to alternate on the support frame, guide post and guiding hole swing joint, every all be provided with the spring on the guide post, every the one end and the support frame of spring are connected, the other end and the holder that correspond of spring are connected.

To unable adaptation to the problem to the centre gripping of different length machined part, design first grip block and second grip block to the centre gripping of processing work piece, and connect the guide post in the guiding hole activity of support frame respectively on first grip block and second grip block, and design the spring on the guide post and make first grip block and the second grip block that set up at the support frame mutually support and draw close each other and accomplish the machined part centre gripping of installing the piece at first grip block and second grip block, two springs on the guide post in this in-process are in compression state all the time, and then promote first grip block and the second grip block that correspond and hug closely in the body surface of grip block.

Furthermore, the guide columns are hexagonal prisms, and the guide columns provided with the hexagonal prisms are matched with the guide holes in the hexagonal prisms, so that the first clamping blocks and the second clamping blocks can be prevented from being cut obliquely or turned over, and the guide columns can be ensured to move directionally.

Furthermore, all seted up the spout on first grip block and the second grip block, set up the slider in the spout, slider and spout sliding connection be provided with the locating lever on the base, the locating lever is connected with the base, be provided with the connecting plate on the locating lever, the one end of connecting plate is articulated with the locating lever, the other end of connecting plate articulates through the free bearing on the slider. In order to ensure the stability of the first clamping block and the second clamping block of the clamping piece, the sliding block is arranged to slide in the sliding groove and move directionally in the sliding groove formed in the clamping piece along the horizontal direction, in the process, the second clamping block, the positioning rod and the connecting plate form a right-angled triangle structure, and the sliding block is gradually far away from the guide column in the sliding groove along with the larger elastic force of the spring close to the second clamping block.

Furthermore, two sliding grooves are formed in the first clamping block and the second clamping block, and the two sliding grooves are symmetrical about the axis of the guide column; all install gliding slider in two spouts, wherein slider and locating lever are connected it with both with articulated mode by the connecting plate, two connecting plates and second grip block component isosceles triangle-shaped to this strengthens its stability, for the effect nature of reinforcing two connecting plates, can all connect the extension spring in two connecting plates respectively, the other end of two extension springs is connected in guide post and second grip block junction, when supporting for follow-up slider, can also assist the centering of the first grip block of spring propelling movement and second grip block to press from both sides tightly.

Furthermore, a rolling shaft is arranged between the sliding block and the sliding groove and connected with the sliding block, and in order to reduce abrasion between the sliding block and the sliding groove, the rolling shaft is designed to be beneficial to the movement of the sliding block and the sliding groove and reduce the influence of friction factors.

Furthermore, be provided with the limiting plate on the slider, the limiting plate is connected with the slider, designs the limiting plate and is used for restricting the slider and breaks away from the spout, inserts the slider in the spout from the side of second grip block with the slider, passes through the fix with screw at the limiting plate afterwards with the slider.

Furthermore, the first clamping block and the second clamping block are both L-shaped plates, and therefore workpieces can be placed conveniently.

Furthermore, be provided with the slipmat on the L template, design the slipmat and increase the frictional force between holder and the machined part, simultaneously, the cooperation L template is the slipmat of L type, more does benefit to developing of centre gripping work.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. avoid the section of jurisdiction extremely easily to produce the collision with other devices in the course of working, so the guide post of design hexagonal prism with the holder around the guiding hole of support frame goes, ensure that collision anchor clamps bump the space that has the buffering, adapt to the centre gripping of different length machined parts simultaneously and fix to all be provided with the spring and be used for promoting the first grip block and the second grip block centre gripping machined part of sending the holder on the guide post, realize self-holding.

2. In order to avoid the anti-collision clamp used by the machine tool to be unstable in connection and fixation of the pipe piece during use, the pipe piece is easy to shake, a first clamping block and a second clamping block of the clamping piece are designed to be clamped, two sliding grooves are formed in the clamping piece, sliding blocks which are connected in a sliding mode are matched with a positioning rod and connected with connecting plates of the positioning rod and the connecting plates, the first clamping block and the second clamping block are supported in the moving process, meanwhile, the second clamping block and the connecting plates which are connected on the two sliding blocks respectively form an isosceles triangle, and further, the anti-collision clamp has a more stable effect.

Drawings

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

FIG. 2 is an enlarged view at A of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the utility model at B in FIG. 1;

FIG. 4 is a schematic perspective view of the slider of FIG. 1 in accordance with the present invention;

the labels in the figure are: 2. a base; 3. a support frame; 4. a clamping member; 5. a first clamping block; 6. a second clamping block; 7. a guide post; 8. a spring; 9. a guide hole; 10. a slider; 11. a chute; 12. positioning a rod; 13. a connecting plate; 14. hinging seat; 15. a roller; 16. a limiting plate; 17. a non-slip mat; 18. a fixture.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

as shown in fig. 1, a numerically controlled grinder collision prevention device, including fixture 18, fixture 18 includes base 2 and the support frame 3 of installing on base 2 that supports usefulness, be provided with holder 4 that the centre gripping was used on support frame 3, holder 4 comprises first grip block 5 and second grip block 6, first grip block 5 and second grip block 6 symmetry set up on support frame 3, the side of first grip block 5 and second grip block 6 all is provided with guide post 7, all set up the guiding hole 9 that supplies guide post 7 to alternate on support frame 3, guide post 7 and guiding hole 9 swing joint, all be provided with spring 8 on every guide post 7, the one end of every spring 8 is connected with support frame 3, the other end of spring 8 is connected with corresponding holder 4.

Above-mentioned in-process, to the unable problem of adapting to the centre gripping of different length machined part, design first grip block 5 and second grip block 6 to the machined part centre gripping, and connect guide post 7 common horizontal migration in the guiding hole 9 of support frame 3 on first grip block 5 and second grip block 6 respectively, and design spring 8 on guide post 7 and make the first grip block 5 and the second grip block 6 that set up at support frame 3 mutually cooperate and draw close each other and accomplish the machined part centre gripping work of installing the piece of first grip block 5 and second grip block 6, two springs 8 on guide post 7 in this process are in compression state all the time, and then promote first grip block 5 and the second grip block 6 that correspond and hug closely in the body surface of grip block.

Example 2:

the present embodiment is developed on the basis of embodiment 1, as shown in fig. 1, the guide post 7 is in the shape of a hexagonal prism, and the guide post 7 provided with the hexagonal prism is matched with the guide hole 9 in the shape of the hexagonal prism, so that the first clamping block 5 and the second clamping block 6 can be prevented from being chamfered or turned over, and the guide post 7 can be ensured to move directionally; as shown in fig. 2, the first clamping block 5 and the second clamping block 6 are both provided with a sliding chute 11, a sliding block 10 is arranged in the sliding chute 11, the sliding block 10 is in sliding connection with the sliding chute 11, the base 2 is provided with a positioning rod 12, the positioning rod 12 is connected with the base 2, the positioning rod 12 is provided with a connecting plate 13, one end of the connecting plate 13 is hinged with the positioning rod 12, and the other end of the connecting plate 13 is hinged on the sliding block 10 through a hinge seat 14; in order to ensure the stability of the first clamping block 5 and the second clamping block 6 of the clamping piece 4, a sliding block 10 is arranged to slide in a sliding groove 11 and move directionally along the sliding groove 11 horizontally arranged on the clamping piece 4, in the process, the second clamping block 6, a positioning rod 12 and a connecting plate 13 form a right-angled triangle structure, and the sliding block 10 gradually moves away from a guide post 7 in the sliding groove 11 as the elastic force of a spring 8 close to the second clamping block 6 is larger; as shown in fig. 1, two sliding grooves 11 are formed in each of the first clamping block 5 and the second clamping block 6, and the two sliding grooves 11 are symmetrical with respect to the axis of the guide post 7; sliding blocks 10 are installed in the two sliding grooves 11, wherein the sliding blocks 10 and the positioning rods 12 are connected in a hinged mode through connecting plates 13, the two connecting plates 13 and the second clamping block 6 form an isosceles triangle, so that the stability of the connecting plates is enhanced, in order to enhance the action of the two connecting plates 13, tension springs can be connected to the middle of each of the two connecting plates 13, the other ends of the two tension springs are connected to the connecting position of the guide column 7 and the second clamping block 6, and the sliding blocks 10 can assist the springs 8 to push the first clamping block 5 and the second clamping block 6 to be centered and clamped while providing support; as shown in fig. 4, a roller 15 is arranged between the slider 10 and the chute 11, the roller 15 is connected with the slider 10, and in order to reduce the abrasion between the slider 10 and the chute 11, the roller 15 is designed to facilitate the movement of the slider 10 and the chute 11 and reduce the influence of friction factors; as shown in fig. 3, a limiting plate 16 is arranged on the slider 10, the limiting plate 16 is connected with the slider 10, the limiting plate 16 is designed to limit the slider 10 to be separated from the chute 11, the slider 10 is inserted into the slider 10 in the chute 11 from the side surface of the second clamping block, and then the limiting plate 16 and the slider 10 are fixed by screws; the first clamping block 5 and the second clamping block 6 are both L-shaped plates, and a workpiece is placed conveniently; be provided with slipmat 17 on the L template, design slipmat 17 increase the frictional force between holder 4 and the machined part, simultaneously, cooperate the L template to be the slipmat 17 of L type, more do benefit to developing of centre gripping work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An anti-collision device for a numerically controlled grinding machine, comprising a fixture (18), the fixture (18) comprising a support base (2) and a support frame (3) mounted on the base (2), characterized in that , a clamping member (4) for clamping is arranged on the support frame (3), and the clamping member (4) is composed of a first clamping block (5) and a second clamping block (6) , the first clamping block (5) and the second clamping block (6) are symmetrically arranged on the support frame (3), the first clamping block (5) and the second clamping block (6) ) are provided with guide columns (7) on the sides, and guide holes (9) for the guide columns (7) to be inserted through are provided on the support frame (3). ) movably connected, each of the guide posts (7) is provided with a spring (8), one end of each of the springs (8) is connected to the support frame (3), and the other end of the spring (8) is connected to the support frame (3). The corresponding clamps (4) are connected.

2 . The anti-collision device for a numerically controlled grinding machine according to claim 1 , wherein the shape of the guide column ( 7 ) is a hexagonal prism. 3 .

3. The anti-collision device for a numerically controlled grinding machine according to claim 1, wherein a chute (11) is provided on both the first clamping block (5) and the second clamping block (6), so that A slider (10) is arranged in the chute (11), the slider (10) is slidably connected with the chute (11), and a positioning rod (12) is arranged on the base (2). (12) is connected to the base (2), the positioning rod (12) is provided with a connecting plate (13), one end of the connecting plate (13) is hinged with the positioning rod (12), and the connecting plate (13) The other end is hinged on the sliding block (10) through a hinge seat (14).

4. The anti-collision device for a numerically controlled grinding machine according to claim 3, characterized in that, two sliding grooves (11) are provided on the first clamping block (5) and the second clamping block (6), and the two Each of the sliding grooves (11) is symmetrical with respect to the axis of the guide column (7).

5. The anti-collision device for a numerically controlled grinding machine according to claim 3, wherein a roller (15) is provided between the slider (10) and the chute (11), and the roller (15) Connect with the slider (10).

6 . The anti-collision device for a numerically controlled grinding machine according to claim 5 , wherein a limit plate ( 16 ) is provided on the slider ( 10 ), and the limit plate ( 16 ) is connected to the slider ( 10 ). 7 . .

7 . The anti-collision device for a numerically controlled grinding machine according to claim 1 , wherein the shape of the first clamping block ( 5 ) and the second clamping block ( 6 ) are both L-shaped plates. 8 .

8. The anti-collision device for a numerically controlled grinding machine according to claim 7, wherein a non-slip pad (17) is provided on the L-shaped plate.