CN114012121B - Clamp for numerical control machine tool - Google Patents
Clamp for numerical control machine tool Download PDFInfo
- Publication number
- CN114012121B CN114012121B CN202111420518.7A CN202111420518A CN114012121B CN 114012121 B CN114012121 B CN 114012121B CN 202111420518 A CN202111420518 A CN 202111420518A CN 114012121 B CN114012121 B CN 114012121B
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- rod
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- fixedly connected
- cylinder body
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of machining fixtures, and particularly relates to a fixture for a numerical control machine tool, which comprises a cylinder, wherein the cylinder is provided with a jaw mechanism and a pushing mechanism, the jaw mechanism comprises a round rod, a pressing piece and a pin rod, the round rod is provided with an arc-shaped guide groove, the end part of the pin rod extends into the arc-shaped guide groove, a positioning piece is arranged between the pin rod and the cylinder, the pushing mechanism comprises a cross connecting rod, a push rod and a rotary rod, the cross connecting rod corresponds to the rear end of the round rod, the rotary rod is connected with the end part of the cross connecting rod, the rotary rod is connected with the rear end of the round rod, the push rod is slidably sleeved with the cylinder and is connected with the cross connecting rod, the cylinder is connected with a support rod, the support rod is connected with a circular placing disc, the circular placing disc is connected with a positioning block, the cylinder is provided with a rack, and the electric telescopic rod is fixedly connected with the push rod; the invention saves the clamping time of the round workpiece, saves the time of adjusting the clamping jaw in the whole process, and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of machining fixtures, and particularly relates to a fixture for a numerical control machine tool.
Background
The numerical control machine is an automatic machine equipped with a program control system capable of logically processing a program prescribed by a control code or other symbol instruction, decoding the program, inputting the program to a numerical control device through an information carrier, sending various control signals from the numerical control device through operation processing to control the action of the machine, automatically machining parts according to the shape and size required by a drawing, clamping workpieces before machining the numerical control machine, and designing different clamps for workpieces with different shapes, sizes and thicknesses for the purpose.
When circular workpieces with the same size and thickness are processed, the existing clamping mode is usually clamping through clamping jaws, however, people are required to adjust each clamping jaw in the clamping process before processing, the clamping jaws are required to be loosened after the current processing is finished, then the next workpiece is placed in, the clamping jaws are adjusted again, the time consumption of the clamping mode is long, and the production efficiency is affected.
Disclosure of Invention
The purpose of the invention is that: aims to provide a fixture for a numerical control machine tool, so as to solve the problems in the background technology.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the clamp for the numerical control machine tool comprises a cylinder body, wherein the cylinder body is provided with four groups of claw mechanisms and a pushing mechanism, the four groups of claw mechanisms are respectively positioned on the upper side, the lower side, the left side and the right side of the front side of the cylinder body, each group of claw mechanisms comprises a round rod, a pressing piece and a pin rod, and each round rod extends forwards;
the pressing piece of the jaw mechanism positioned at the upper side is perpendicular to the round rod, the end part of the pressing piece horizontally extends towards the left side of the round rod, the rear side of the round rod of the jaw mechanism positioned at the upper side is provided with an arc-shaped guide groove, the arc-shaped guide groove is overturned from back to front by 90 degrees from the upper side of the round rod towards the right side of the round rod, the end part of the pin rod of the jaw mechanism positioned at the upper side extends into the arc-shaped guide groove, a positioning piece is arranged between the pin rod and the cylinder body, and the jaw mechanisms positioned at the lower, the left and the right sides and the jaw mechanism positioned at the upper side are distributed in a circumferential array;
the pushing mechanism comprises a cross connecting rod, a push rod and four rotating rods, the four end parts of the cross connecting rod respectively correspond to the rear ends of the four round rods, the four rotating rods are respectively connected to the four end parts of the cross connecting rod in a rotating mode, the four rotating rods are respectively fixedly connected with the rear ends of the four round rods, and the push rod is sleeved with the cylinder in a sliding mode and is fixedly connected with the center of the cross connecting rod;
the front side of the cylinder body is fixedly connected with a plurality of supporting rods, each supporting rod is fixedly connected with a circular placing disc, the circular placing discs are positioned on the inner sides of the four groups of claw mechanisms, the circular placing discs are fixedly connected with a plurality of positioning blocks, and the positioning blocks are distributed in a circumferential array;
the electric telescopic device is characterized in that a frame is arranged on the rear side of the cylinder body, an electric telescopic rod is arranged on the frame, and the electric telescopic rod is fixedly connected with the push rod.
The locating piece including with barrel fixed connection's connection platform, the round pin pole with sliding connection between the connection platform, connection platform rear side processing has the edge round bar axially extending's slide rail, pin pole upper end fixedly connected with slide rail sliding connection's slider, pin pole downside front end fixedly connected with bar boss, the locating hole has been seted up to bar boss front side, connection platform front end slip cap is equipped with C shape locating lever, C shape locating lever rear end with locating hole assorted, C shape locating lever upper end with fixedly connected with first spring between the connection platform, the slider with fixedly connected with second spring between the slide rail rear side.
The lifting boss is in same-direction overturning with the arc-shaped guide groove, the lifting boss corresponds to the front end of the C-shaped positioning rod, the surface of the lifting boss is a flat cambered surface, the thickness of one side of the lifting boss, corresponding to the rear end of the arc-shaped guide groove, is minimum, the thickness of one side, corresponding to the front end of the arc-shaped guide groove, of the lifting boss is maximum, and the maximum thickness of the lifting boss is equal to the depth of the rear end of the C-shaped positioning rod inserted into the positioning hole.
The compressing piece comprises a fixed plate fixedly arranged at the front end of the round rod and a movable pressing plate arranged at the rear side of the fixed plate, and a third spring is fixedly connected between the fixed plate and the movable pressing plate.
The fixed plate is further provided with a square hole, the movable pressing plate is fixedly connected with a square rod, the square rod extends to penetrate through the square hole, and the end part of the square rod is provided with a limiting block.
The inside of the cylinder body is fixedly connected with four sleeves, and the four rotating rods are respectively inserted into the four sleeves in an extending mode.
The push rod is provided with two check blocks, one check block is positioned outside the cylinder body, and the other check block is positioned inside the cylinder body.
According to the invention, the push rod is pulled by the electric telescopic rod, so that the round rod is driven to move towards the round placing disc and rotate at the same time, the round workpiece of the round placing disc is quickly pressed by the pressing pieces of the round rod at the upper, lower, left and right sides, the clamping time of the round workpiece is saved, and after the round workpiece is machined, the pressing pieces can be separated from the round workpiece by pushing the round rod outwards, so that the machined round workpiece is quickly taken out, the time for adjusting the clamping jaws is saved in the whole process, and the working efficiency is improved.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view showing the structure of a jig for a numerical control machine tool according to an embodiment of the present invention in an initial state;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at C of FIG. 1;
FIG. 5 is a schematic view of the structure of the pin in the embodiment of the invention when the pin is unlocked;
FIG. 6 is a schematic view of the structure of the pressing member moving toward the circular placing plate after unlocking the pin according to the embodiment of the present invention;
FIG. 7 is a schematic view of the internal structure of a barrel according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the front side structure of an embodiment of the present invention;
the main reference numerals are as follows:
barrel 1, bracing piece 11, circular dish 12, locating piece 13, connection platform 14, sleeve 15, round bar 21, round pin pole 22, slider 221, second spring 222, bar boss 23, locating hole 231, C shape locating lever 24, first spring 25, jack-up boss 26, slide rail 27, arc guide slot 28, cross connecting rod 31, push rod 32, bull stick 33, dog 34, frame 41, electric telescopic link 42, fixed plate 51, movable clamp plate 52, third spring 53, square pole 54, stopper 55.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 8, a fixture for a numerical control machine tool of the present invention comprises a cylinder 1, the cylinder 1 is provided with four groups of jaw mechanisms and a pushing mechanism, the four groups of jaw mechanisms are respectively positioned on the upper, lower, left and right sides of the front side of the cylinder 1, each group of jaw mechanisms comprises a round bar 21, a pressing piece and a pin 22, each round bar 21 extends forwards, the pressing piece of the jaw mechanism positioned on the upper side is perpendicular to the round bar 21 and the end part extends horizontally towards the left side of the round bar 21, the rear side of the round bar 21 of the jaw mechanism positioned on the upper side is provided with an arc-shaped guide groove 28, the arc-shaped guide groove 28 extends from the upper side of the round bar 21 towards the right side of the round bar 21 in a turnover way from back to front 90 degrees, the end part of the pin 22 of the jaw mechanism positioned on the upper side extends into the arc-shaped guide groove 28, a positioning piece is arranged between the pin 22 and the cylinder 1, the claw mechanisms positioned at the lower left side and the right side are distributed in a circumferential array with the claw mechanisms positioned at the upper side, the pushing mechanism comprises a cross connecting rod 31, a push rod 32 and four rotating rods 33, the four ends of the cross connecting rod 31 respectively correspond to the rear ends of the four round rods 21, the four rotating rods 33 are respectively connected with the four ends of the cross connecting rod 31 in a rotating way, the four rotating rods 33 are respectively fixedly connected with the rear ends of the four round rods 21, the push rod 32 is sleeved with the cylinder 1 in a sliding way and is fixedly connected with the center of the cross connecting rod 31, the front side of the cylinder 1 is fixedly connected with a plurality of support rods 11, each support rod 11 is fixedly connected with a circular placing disc 12, the circular placing disc 12 is positioned at the inner side of the four groups of claw mechanisms, the circular placing disc 12 is fixedly connected with a plurality of positioning blocks 13, the positioning blocks 13 are distributed in a circumferential array, the rear side of the cylinder 1 is provided with a frame 41, the frame 41 is provided with an electric telescopic rod 42, the electric telescopic rod 42 is fixedly connected with the push rod 32.
The electric telescopic rod 42 can be firmly fixed with the cylinder 1 through the frame 41, meanwhile, the cross connecting rod 31 can be fixed due to the fact that the push rod 32 is fixed with the electric telescopic rod 42, and the four rotary rods 33 are rotatably connected to the four ends of the cross connecting rod 31, and the four rotary rods 33 are respectively fixed with the four round rods 21, so that the round rods 21 can be arranged on the cross connecting rod 31, and therefore the round rods and the cylinder 1 form a whole together; the positioning piece is used for positioning the pin rod 22 and the cylinder;
in the initial state of the device, as shown in fig. 1, the pin rods 22 of the upper jaw mechanisms are all inserted into the rearmost ends of the arc-shaped guide grooves 28 of the round bars 21, and the pressing pieces are all located in the tangential direction of the round placing plate 12, and as the lower, left and right jaw mechanisms and the upper jaw mechanisms are distributed in a circumferential array, the pin rods 22 of each jaw mechanism are all inserted into the rearmost ends of the arc-shaped guide grooves 28 of the round bars 21 of each jaw mechanism, and the pressing pieces of each jaw mechanism are all located in the tangential direction of the round placing plate 12, so that the space of the round placing plate 12 is not blocked, and people can place round workpieces into the round placing plate 12, and the round workpieces are positioned through a plurality of positioning blocks 13 of the round placing plate 12; after the round workpiece is placed in, the electric telescopic rod 42 can synchronously drive the cross connecting rod 31 and the four rotating rods 33 through pulling the push rod 32, so that the round rod 21 moves towards the round placing disc 12, the claw mechanism at the upper side can enable the round rod 21 to rotate 90 degrees anticlockwise under the guiding action of the pin rod 22 and the arc-shaped guide groove 28, so that the pressing piece can move towards the round workpiece and rotate 90 degrees anticlockwise to correspond to the upper side of the round workpiece in the round placing disc 12, the upper side of the round workpiece is pressed, and similarly, the pressing pieces of the claw mechanisms at the lower, left and right sides can also approach the round workpiece and rotate 90 degrees anticlockwise to correspond to the lower, left and right sides of the round workpiece in the round placing disc 12, so that the lower, left and right sides of the round workpiece are pressed;
after the processing is finished, the electric telescopic rod 42 pushes the round rod 21 outwards, the round rod 21 rotates clockwise for 90 degrees to return to the initial position, the pressing piece is located at the tangential position of the round placing disc 12 again, people can conveniently take out the processed round workpiece, and the operation is repeated during secondary processing, so that the time for adjusting the clamping jaws is saved, and the working efficiency is improved;
according to the invention, the push rod is pulled by the electric telescopic rod, so that the round rod is driven to move towards the round placing disc and rotate at the same time, the round workpiece of the round placing disc is quickly pressed by the pressing pieces of the round rod at the upper, lower, left and right sides, the clamping time of the round workpiece is saved, and after the round workpiece is machined, the pressing pieces can be separated from the round workpiece by pushing the round rod outwards, so that the machined round workpiece is quickly taken out, the time for adjusting the clamping jaws is saved in the whole process, and the working efficiency is improved.
In order to further improve the application scope of the invention, the following improvement is made, so that the pressing piece can press round workpieces with the same size but different thicknesses, and the following improvement is made:
referring to fig. 1 to 8, the positioning member includes a connecting table 14 fixedly connected with the cylinder 1, a sliding rail 27 extending along the axial direction of the round bar 21 is processed at the rear side of the connecting table 14, a sliding block 221 slidably connected with the sliding rail 27 is fixedly connected at the upper end of the pin 22, a bar-shaped boss 23 is fixedly connected at the front end of the lower side of the pin 22, a positioning hole 231 is formed at the front side of the bar-shaped boss 23, a C-shaped positioning bar 24 is sleeved at the front end of the connecting table 14 in a sliding manner, the rear end of the C-shaped positioning bar 24 is matched with the positioning hole 231, a first spring 25 is fixedly connected between the upper end of the C-shaped positioning bar 24 and the connecting table 14, a second spring 222 is fixedly connected between the sliding block 221 and the rear side of the sliding rail 27, a lifting boss 26 turning in the same direction as the arc-shaped guiding slot 28 is processed at the front side of the round bar 21, the lifting boss 26 corresponds to the front end of the C-shaped positioning bar 24, the thickness of the lifting boss 26 is a flat cambered surface, the thickness of the side corresponding to the rear end of the arc-shaped guiding slot 28 is minimum, the thickness of the lifting boss 26 corresponds to the thickness of the side of the arc-shaped guiding slot 28, and the thickness of the largest side of the lifting boss 26 is equal to the depth of the positioning hole 231.
In the initial state, as shown in fig. 1, 2 and 4, under the elastic action of the second spring 222, the slider 221 is pushed so that the pin 22 abuts against the forefront side of the slide rail 27, and at this time, the rear end of the arc-shaped guide groove 28 of the round bar 21 corresponds to the pin 22; simultaneously, under the elastic action of the first spring 25, the C-shaped positioning rod 24 is pulled, so that the rear end of the C-shaped positioning rod 24 is inserted into the positioning hole 231 of the strip-shaped boss 23, and the pin rod 22 and the sliding rail 27 at the lower side of the connecting table 14 are positioned, so that the pin rod 22 can be positioned with the connecting table 14, and the looseness of the pin rod 22 is avoided;
when clamping a workpiece:
firstly, the electric telescopic rod 42 pulls the round rod 21, the round rod 21 can be pushed to turn 90 degrees by the pin rod 22 under the action of the arc-shaped guide groove 28 due to the positioning of the pin rod 22, in the process, one end with the largest thickness of the jacking boss 26 gradually turns towards the C-shaped positioning rod 24 due to the fact that the jacking boss 26 turns in the same direction as the arc-shaped guide groove 28, the elastic force of the first spring 25 is overcome, the C-shaped positioning rod 24 is jacked up until the jacking boss 26 turns 90 degrees, the C-shaped positioning rod 24 is completely jacked up by one end with the largest thickness of the jacking boss 26, and the maximum thickness of the jacking boss 26 is equal to the depth of the C-shaped positioning rod 24 inserted into the positioning hole 231, at the moment, the rear end of the C-shaped positioning rod 24 is just separated from the positioning hole 231, and the pin rod 22 is unlocked as shown in fig. 5;
then, as shown in fig. 6, the electric telescopic rod 42 continues to pull the round rod 21, the lifting boss 26 moves towards the connecting table 14 relative to the C-shaped positioning rod 24, and continuously lifts the C-shaped positioning rod 24, so that the C-shaped positioning rod 24 cannot rebound and reset, at this time, the lower end of the pin rod 22 is located at the front end of the arc-shaped guide groove 28, meanwhile, the sliding block 221 slides towards the rear side of the connecting table 14 in the sliding rail 27 to compress the second spring 222, and under the elastic action of the second spring 222, the lower end of the pin rod 22 is always located at the front end of the arc-shaped guide groove 28, so that the round rod 21 is prevented from rotating, and the pressing piece of the round rod 21 can continue to move towards the circular placing disc 12, so as to press the circular workpieces with different thicknesses placed in the circular placing disc 12;
finally, when the round workpiece needs to be removed, the electric telescopic rod 42 pushes out the round rod 21, under the rebound action of the second spring 222, the lower end of the pin rod 22 can be always located at the front end of the arc-shaped guide groove 28, the rotation of the round rod 21 is avoided until the sliding block 221 moves to the forefront side of the sliding rail 27, at this time, the electric telescopic rod 42 continues pushing out the round rod 21, under the action of the pin rod 22 and the arc-shaped guide groove 28, the round rod 21 reversely turns over 90 degrees to return to the initial state, and similarly, the rear end of the C-shaped positioning rod 24 is reinserted into the positioning hole 231, and the pin rod 22 is repositioned.
Referring to fig. 3, the pressing member includes a fixed plate 51 fixedly disposed at the front end of the round rod 21, and a movable pressing plate 52 disposed at the rear side of the fixed plate 51, a third spring 53 is fixedly connected between the fixed plate 51 and the movable pressing plate 52, the fixed plate 51 is further provided with a square hole, the movable pressing plate 52 is fixedly connected with a square rod 54, the square rod 54 extends through the square hole, and a limiting block 55 is disposed at the end of the square rod 54.
When the round workpiece is pressed, the movable pressing plate 52 is abutted with the round workpiece in the round placing disc 12, and the third spring 53 between the fixed plate 51 and the movable pressing plate 52 can be compressed in the process of moving the round rod 21 to the round placing disc 12, so that the movable pressing plate 52 and the round workpiece are pressed, and meanwhile, a certain damping effect is achieved; the square rod 54 and the square hole are arranged for positioning the movable pressing plate 52 and the fixed plate 51, the third spring 53 is prevented from bending, and the limiting block 55 is used for preventing the square rod 54 from being separated from the square hole.
Referring to fig. 7, four sleeves 15 are fixedly connected inside the cylinder 1, and four rotating rods 33 are respectively inserted into the four sleeves 15 in an extending manner.
By means of the four sleeves 15 and the four swivel rods 33, the round bar 21 can be further stabilized, and the stability can be improved.
Referring to fig. 7, the push rod 32 is provided with two stoppers 34, wherein one stopper 34 is located outside the cylinder 1, and the other stopper 34 is located inside the cylinder 1.
By providing the stopper 34, the pulling and pushing distance of the push rod 32 can be limited, and the stability of the device can be improved.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (5)
1. The utility model provides a fixture for digit control machine tool which characterized in that: the clamping jaw mechanism comprises a cylinder body, wherein the cylinder body is provided with four groups of clamping jaw mechanisms and a pushing mechanism, the four groups of clamping jaw mechanisms are respectively positioned on the upper side, the lower side, the left side and the right side of the front side of the cylinder body, each group of clamping jaw mechanisms comprises a round rod, a pressing piece and a pin rod, and each round rod extends forwards;
the pressing piece of the jaw mechanism positioned at the upper side is perpendicular to the round rod, the end part of the pressing piece horizontally extends towards the left side of the round rod, the rear side of the round rod of the jaw mechanism positioned at the upper side is provided with an arc-shaped guide groove, the arc-shaped guide groove is overturned from back to front by 90 degrees from the upper side of the round rod towards the right side of the round rod, the end part of the pin rod of the jaw mechanism positioned at the upper side extends into the arc-shaped guide groove, a positioning piece is arranged between the pin rod and the cylinder body, and the jaw mechanisms positioned at the lower, the left and the right sides and the jaw mechanism positioned at the upper side are distributed in a circumferential array;
the pushing mechanism comprises a cross connecting rod, a push rod and four rotating rods, the four end parts of the cross connecting rod respectively correspond to the rear ends of the four round rods, the four rotating rods are respectively connected to the four end parts of the cross connecting rod in a rotating mode, the four rotating rods are respectively fixedly connected with the rear ends of the four round rods, and the push rod is sleeved with the cylinder in a sliding mode and is fixedly connected with the center of the cross connecting rod;
the front side of the cylinder body is fixedly connected with a plurality of supporting rods, each supporting rod is fixedly connected with a circular placing disc, the circular placing discs are positioned on the inner sides of the four groups of claw mechanisms, the circular placing discs are fixedly connected with a plurality of positioning blocks, and the positioning blocks are distributed in a circumferential array;
a rack is arranged at the rear side of the cylinder body, and is provided with an electric telescopic rod which is fixedly connected with the push rod;
the locating piece comprises a connecting table fixedly connected with the cylinder body, the pin rod is in sliding connection with the connecting table, a sliding rail axially extending along the round rod is machined on the rear side of the connecting table, a sliding block fixedly connected with the upper end of the pin rod is in sliding connection with the sliding rail, a strip-shaped boss is fixedly connected with the front end of the lower side of the pin rod, a locating hole is formed in the front side of the strip-shaped boss, a C-shaped locating rod is sleeved at the front end of the connecting table in a sliding mode, the rear end of the C-shaped locating rod is matched with the locating hole, a first spring is fixedly connected between the upper end of the C-shaped locating rod and the connecting table, and a second spring is fixedly connected between the sliding block and the rear side of the sliding rail;
the lifting boss is in same-direction overturning with the arc-shaped guide groove, the lifting boss corresponds to the front end of the C-shaped positioning rod, the surface of the lifting boss is a flat cambered surface, the thickness of one side of the lifting boss, corresponding to the rear end of the arc-shaped guide groove, is minimum, the thickness of one side, corresponding to the front end of the arc-shaped guide groove, of the lifting boss is maximum, and the maximum thickness of the lifting boss is equal to the depth of the rear end of the C-shaped positioning rod inserted into the positioning hole.
2. The jig for a numerical control machine tool according to claim 1, wherein: the compressing piece comprises a fixed plate fixedly arranged at the front end of the round rod and a movable pressing plate arranged at the rear side of the fixed plate, and a third spring is fixedly connected between the fixed plate and the movable pressing plate.
3. The jig for a numerical control machine tool according to claim 2, wherein: the fixed plate is further provided with a square hole, the movable pressing plate is fixedly connected with a square rod, the square rod extends to penetrate through the square hole, and the end part of the square rod is provided with a limiting block.
4. The jig for a numerical control machine tool according to claim 1, wherein: the inside of the cylinder body is fixedly connected with four sleeves, and the four rotating rods are respectively inserted into the four sleeves in an extending mode.
5. The jig for a numerical control machine tool according to claim 1, wherein: the push rod is provided with two check blocks, one check block is positioned outside the cylinder body, and the other check block is positioned inside the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111420518.7A CN114012121B (en) | 2021-11-26 | 2021-11-26 | Clamp for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111420518.7A CN114012121B (en) | 2021-11-26 | 2021-11-26 | Clamp for numerical control machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114012121A CN114012121A (en) | 2022-02-08 |
| CN114012121B true CN114012121B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111420518.7A Active CN114012121B (en) | 2021-11-26 | 2021-11-26 | Clamp for numerical control machine tool |
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| CN207431828U (en) * | 2017-10-19 | 2018-06-01 | 洛阳华冠齿轮股份有限公司 | A kind of new rotatable compression quick change construction |
| CN207656333U (en) * | 2017-12-15 | 2018-07-27 | 浙江青霄科技股份有限公司 | Novel pneumatic fixture |
| CN208147414U (en) * | 2018-05-08 | 2018-11-27 | 长春东睦富奥新材料有限公司 | Thin-wall workpiece improves the clamp structure of geometric tolerance in a kind of powder metallurgy |
| CN109264379A (en) * | 2018-09-13 | 2019-01-25 | 缪心怡 | A kind of column lithium ion battery automation transhipment fixture |
| CN112008461A (en) * | 2020-09-01 | 2020-12-01 | 森泰英格（成都）数控刀具股份有限公司 | Tool clamp for machining thin-wall workpiece |
| CN112276258A (en) * | 2020-11-14 | 2021-01-29 | 浙江劳伦斯机床有限公司 | Workpiece clamp on gear scraping machine |
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| CN114012121A (en) | 2022-02-08 |
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