CN222243793U - A material puller for CNC machine tools - Google Patents
A material puller for CNC machine tools Download PDFInfo
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- CN222243793U CN222243793U CN202420967585.3U CN202420967585U CN222243793U CN 222243793 U CN222243793 U CN 222243793U CN 202420967585 U CN202420967585 U CN 202420967585U CN 222243793 U CN222243793 U CN 222243793U
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- clamping
- clamping jaw
- pull rod
- spring
- numerical control
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a puller for a numerical control machine tool, which comprises a fixed seat and clamping jaws, wherein the clamping jaws are rotationally connected with the fixed seat, the inner end surfaces of the clamping jaws are provided with tightening mechanisms, the tail ends of the clamping jaws are provided with alternate chucks, each tightening mechanism comprises a pull rod, a connector, a connecting rod and a first spring, the fixed seat is provided with a sliding hole, the pull rod passes through the sliding hole to be in sliding connection with the sliding hole, the connector is fixedly arranged at the tail end of the pull rod, the connecting rod is rotationally connected with the connector, the connecting rod is rotationally connected with the middle part of the clamping jaw, the connecting end far away from the connector is rotationally connected with the middle part of the clamping jaw, the first spring is sleeved on the pull rod, and the pull rod is elastically connected with the fixed seat through the first spring. According to the utility model, through the design of the rotation chuck, the puller is provided with three clamping surfaces with different structures, and can adapt to workpieces with various shapes and surface characteristics, such as plane plates, pipe fittings, arc plates and materials with uneven surfaces, so that the application range of the equipment is greatly widened, the shutdown time caused by the replacement of the fixture is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tool equipment, in particular to a puller for a numerical control machine tool.
Background
A puller for a numerical control machine is a device specifically designed for removing machined workpieces or scraps from the numerical control machine during an automated machining process. Such equipment is typically mounted on numerically controlled lathes or other types of numerically controlled machines for quickly, accurately and safely removing workpieces from the cutting area to improve production efficiency and reduce human intervention. The extractor generally comprises movable parts, such as extractor jaws or clamping jaws, which can be driven mechanically, pneumatically or hydraulically to effect gripping and releasing of the workpiece.
Most of the existing material shifter clamping jaw is of a plane structure, so that when a pipe fitting or a rod piece is clamped, a workpiece is likely to fall off in the clamping process due to insufficient laminating degree, and the clamping effect is poor, so that the position or force of the clamping jaw is likely to be required to be frequently adjusted, continuity and fluency of an automatic production line are affected, the clamping jaw of different types is changed to adapt to workpieces of different types in the prior art, but the clamping jaw is usually fixed with a machine tool through bolts, so that the clamping jaw is relatively complex in dismounting and mounting process, and the machining efficiency is affected.
Disclosure of utility model
The utility model aims to provide a puller for a numerical control machine tool, which has the advantages of convenience in chuck replacement and good clamping stability, and solves the problems that the puller of the numerical control machine tool in the prior art has poor fitting degree with a cambered surface model, the chuck replacement efficiency is low, and the production efficiency is affected.
In order to achieve the purpose, the technical scheme is that the puller for the numerical control machine tool comprises a fixed seat and clamping jaws, wherein the clamping jaws are rotationally connected with the fixed seat, a tightening mechanism is arranged on the inner end surface of each clamping jaw, and a rotation chuck is arranged at the tail end of each clamping jaw;
The tightening mechanism comprises a pull rod, a connector, a connecting rod and a first spring, wherein a sliding hole is formed in the fixing seat, the pull rod penetrates through the sliding hole and is in sliding connection with the pull rod, the connector is fixedly arranged at the tail end of the pull rod, the connecting rod is rotationally connected with the connector, the connecting rod is far away from the middle of the connector end and is rotationally connected with the middle of the clamping jaw, the first spring is sleeved on the pull rod, and the pull rod is elastically connected with the fixing seat through the first spring.
As the material puller for the numerical control machine tool, the material puller is preferably in a regular triangle structure, the side wall of the rotation chuck is respectively provided with a first clamping surface, a second clamping surface and a third clamping surface, the center of the rotation chuck is provided with a rotating shaft, the clamping jaw is provided with a shaft hole, and the clamping jaw and the rotation chuck are in matched rotation connection through the rotating shaft and the shaft hole.
In one preferable aspect of the present utility model, the first clamping surface has a planar structure.
As a preferable material puller for the numerical control machine tool, the second clamping surface is of an arc surface structure.
In the numerical control machine tool extractor according to the present utility model, preferably, the third clamping surface has a nail surface structure.
As the glassware for the numerical control machine tool, the rotary chuck is preferably provided with the pin holes, the clamping jaws are provided with the bolts which are in sliding connection, and the clamping jaws and the rotary chuck are in pin joint through the bolts and the pin holes.
As the material puller for the numerical control machine tool, the bottom of the bolt is provided with the connecting plate, the end, far away from the bolt, of the connecting plate is provided with the upright post in threaded connection, the upright post is provided with the second spring, and the upright post passes through the clamping jaw and is elastically connected with the upright post through the second spring.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, through the design of the rotation chuck, the puller is provided with the clamping surfaces with three different structures, and can adapt to workpieces with various shapes and surface characteristics, such as a planar plate, a pipe fitting, an arc plate and a material with an uneven surface, so that the application range of equipment is greatly widened, the downtime caused by clamp replacement is reduced, the production efficiency is improved, the contact area between the arc surface structure and the nail surface structure is increased, the pressure is effectively dispersed, and the local stress concentration is reduced, so that the clamping stability is improved, the workpiece is prevented from slipping in the pulling process, and particularly, the clamping effect is remarkably improved due to the design, and the pulling efficiency is further improved.
2. According to the utility model, the rotating chuck and the clamping jaw are in matched rotation connection through the rotating shaft and the shaft hole, and the quick fixing and unlocking are realized through the pin joint structure of the bolt and the pin hole, so that an operator can complete the switching by only pressing the upright post, rotating the rotating chuck to a required clamping surface and inserting the bolt into the pin hole under the reset action of the second spring, and the whole process is simple, convenient and quick.
3. According to the clamping jaw, the automatic tightening function of the clamping jaw is realized through the tightening mechanism consisting of the pull rod, the connector, the connecting rod and the spring, the spring provides constant elastic force, so that the clamping jaw can automatically adjust the clamping force according to the size of a workpiece, the clamping firmness is ensured, the workpiece is prevented from being damaged due to excessive clamping, and the self-adaptive clamping force design is beneficial to protecting the workpiece, and meanwhile, the operation flow is simplified.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a cross-sectional view A-A of FIG. 3 in accordance with the present utility model;
Fig. 5 is a schematic view of the structure of the clamping block of the present utility model.
The device comprises a fixing seat, 101, a sliding hole, 2, clamping jaws, 201, a shaft hole, 3, a tightening mechanism, 310, a pull rod, 320, a connector, 330, a connecting rod, 340, a first spring, 4, a rotation chuck, 401, a rotating shaft, 402, a pin hole, 403, a first clamping surface, 404, a second clamping surface, 405, a third clamping surface, 410, a bolt, 420, a connecting plate, 430, a stand column, 431 and a second spring.
Detailed Description
Referring to fig. 1-5, a puller for a numerical control machine tool comprises a fixed seat 1 and clamping jaws 2, wherein the clamping jaws 2 are rotationally connected with the fixed seat 1, a tightening mechanism 3 is arranged on the inner end surface of the clamping jaws 2, and a rotation chuck 4 is arranged at the tail end of the clamping jaws 2;
The tightening mechanism 3 comprises a pull rod 310, a connector 320, a connecting rod 330 and a first spring 340, wherein a sliding hole 101 is formed in the fixing seat 1, the pull rod 310 penetrates through the sliding hole 101 to be connected with the fixing seat 1 in a sliding mode, the connector 320 is fixedly arranged at the tail end of the pull rod 310, the connecting rod 330 is rotationally connected with the connector 320, the end, far away from the connector 320, of the connecting rod 330 is rotationally connected with the middle of the clamping jaw 2, the first spring 340 is sleeved on the pull rod 310, and the pull rod 310 is elastically connected with the fixing seat 1 through the first spring 340.
Further, the rotating chuck 4 is of a regular triangle structure, the side wall of the rotating chuck 4 is respectively provided with a first clamping surface 403, a second clamping surface 404 and a third clamping surface 405, the center of the rotating chuck 4 is provided with a rotating shaft 401, the clamping jaw 2 is provided with a shaft hole 201, and the clamping jaw 2 and the rotating chuck 4 are in matched rotation connection with the shaft hole 201 through the rotating shaft 401.
Different clamping surfaces face the middle part through rotating the rotation chuck 4, so that the clamping surfaces which can be attached to the part can be quickly replaced, the application range of the equipment is improved, the clamping jaw 2 is not required to be replaced, and the production efficiency is improved.
Further, the first clamping surface 403 has a planar structure.
The clamping requirements of most planar boards can be met by the alternating clamping head 4 with a planar structure.
Further, the second clamping surface 404 has an arc surface structure.
The cambered surface structure is convenient to clamp the pipe fitting and the arc-shaped plate, and the contact area of the material and the clamping jaw 2 is improved, so that the clamping stability is improved, the pipe fitting slipping in the clamping process is avoided, and the material pulling efficiency is improved.
Further, the third clamping surface 405 is a nail surface structure.
The nail surface structure can adapt to materials with different surface irregularities, and the nail surface can accurately grasp the ravines on the surface of the materials, so that the clamping stability is improved.
Further, a pin hole 402 is formed in the rotation chuck 4, a bolt 410 in sliding connection is arranged on the clamping jaw 2, and the clamping jaw 2 and the rotation chuck 4 are matched and pin-connected through the bolt 410 and the pin hole 402.
The pin 410 is inserted into the pin hole 402 to fix the clamping jaw 2 and the rotation chuck 4, so that the rotation chuck 4 is prevented from shaking in the clamping process, and the pin joint structure improves the matching efficiency of the clamping jaw 2 and the rotation chuck 4.
Further, a connecting plate 420 is arranged at the bottom of the bolt 410, a stand column 430 in threaded connection is arranged at the end, far away from the bolt 410, of the connecting plate 420, a second spring 431 is arranged on the stand column 430, and the stand column 430 penetrates through the clamping jaw 2 to be elastically connected with the clamping jaw through the second spring 431.
The bolt 410 can be quickly inserted into the bolt 410 under the reset action of the second spring 431, and the bolt 410 can be driven to move downwards by pressing the upright post 430, so that the bolt 410 is separated from the pin hole 402, the clamping jaw 2 can rotate, different clamping surfaces can be quickly replaced, and the convenience of equipment operation is improved.
When the material shifter is used, the fixed seat 1 is installed on a power source of a numerical control machine tool, such as an air cylinder, a hydraulic cylinder, a linear motor and the like, the upright post 430 is pressed down according to the shape and the surface characteristics of a workpiece to be pulled, the rotation chuck 4 is rotated to a corresponding clamping surface, then the bolt 410 is quickly inserted into the pin hole 402 of the rotation chuck 4 under the action of a spring, the rotation chuck 4 is locked, the air cylinder is started, the air cylinder drives the clamping jaw 2 to move towards the workpiece to be pulled, when the clamping jaw 2 impacts the workpiece to be pulled, the workpiece to be pulled is propped up by the centers of two groups of clamping blocks, then the clamping blocks are clamped on the surface of the workpiece under the reset action of the first spring 340, and the pull rod 310 can be pulled out when necessary, so that the clamping stability is kept, and the workpiece is pulled out under the action of friction force of the clamping blocks.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The puller for the numerical control machine tool comprises a fixed seat (1) and clamping jaws (2), wherein the clamping jaws (2) are rotationally connected with the fixed seat (1), and the puller is characterized in that a tightening mechanism (3) is arranged on the inner end surface of each clamping jaw (2), and a rotation chuck (4) is arranged at the tail end of each clamping jaw (2);
Tightening mechanism (3) are including pull rod (310), joint (320), connecting rod (330) and first spring (340), be provided with slide hole (101) on fixing base (1), pull rod (310) pass slide hole (101) and sliding connection thereof, joint (320) fixed mounting is at the end of pull rod (310), connecting rod (330) are connected with joint (320) rotation, and the middle part rotation that keeps away from joint (320) end and clamping jaw (2) of connecting rod (330) is connected, first spring (340) cover is established on pull rod (310), pull rod (310) and fixing base (1) are through first spring (340) elastic connection.
2. The extractor for the numerical control machine tool according to claim 1, wherein the rotating chuck (4) is of a regular triangle structure, a first clamping surface (403), a second clamping surface (404) and a third clamping surface (405) are respectively arranged on the side wall of the rotating chuck (4), a rotating shaft (401) is arranged at the center of the rotating chuck (4), a shaft hole (201) is formed in the clamping jaw (2), and the clamping jaw (2) and the rotating chuck (4) are in matched rotation connection through the rotating shaft (401) and the shaft hole (201).
3. The extractor for a numerical control machine tool according to claim 2, wherein the first clamping surface (403) has a planar structure.
4. The extractor for numerically-controlled machine tools of claim 2, wherein the second clamping surface (404) is an arc surface.
5. The extractor for a numerical control machine tool according to claim 2, wherein the third clamping surface (405) has a nail surface structure.
6. The extractor for the numerical control machine tool according to claim 1, wherein the rotation chuck (4) is provided with a pin hole (402), the clamping jaw (2) is provided with a bolt (410) in sliding connection, and the clamping jaw (2) and the rotation chuck (4) are matched and connected through the bolt (410) and the pin hole (402).
7. The extractor for numerical control machine tool according to claim 6, wherein a connecting plate (420) is arranged at the bottom of the bolt (410), a stand column (430) in threaded connection is arranged at the end, far away from the bolt (410), of the connecting plate (420), a second spring (431) is arranged on the stand column (430), and the stand column (430) penetrates through the clamping jaw (2) to be elastically connected with the clamping jaw through the second spring (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420967585.3U CN222243793U (en) | 2024-05-07 | 2024-05-07 | A material puller for CNC machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420967585.3U CN222243793U (en) | 2024-05-07 | 2024-05-07 | A material puller for CNC machine tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222243793U true CN222243793U (en) | 2024-12-27 |
Family
ID=93984996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420967585.3U Active CN222243793U (en) | 2024-05-07 | 2024-05-07 | A material puller for CNC machine tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222243793U (en) |
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2024
- 2024-05-07 CN CN202420967585.3U patent/CN222243793U/en active Active
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