CN114012121A - Clamp for numerical control machine tool - Google Patents
Clamp for numerical control machine tool Download PDFInfo
- Publication number
- CN114012121A CN114012121A CN202111420518.7A CN202111420518A CN114012121A CN 114012121 A CN114012121 A CN 114012121A CN 202111420518 A CN202111420518 A CN 202111420518A CN 114012121 A CN114012121 A CN 114012121A
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 244000309464 bull Species 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 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
- 238000013213 extrapolation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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 barrel, wherein the barrel is provided with a clamping jaw mechanism and a pushing mechanism, the clamping 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 barrel, the pushing mechanism comprises a cross connecting rod, a push rod and a rotating rod, the cross connecting rod corresponds to the rear end of the round rod, the rotating rod is connected to the end part of the cross connecting rod, the rotating rod is connected with the rear end of the round rod, the push rod is slidably sleeved with the barrel and connected with the cross connecting rod, the barrel is connected with a supporting rod, the supporting rod is connected with a circular placing disc, the circular placing disc is connected with a positioning block, the barrel is provided with a rack, and the rack is provided with an electric telescopic rod which is fixedly connected with the push rod; the invention saves the clamping time of the round workpiece, saves the time for adjusting the clamping jaws 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 numerically controlled machine tool is an automatic machine tool with program control system, and the control system can logically process and decode the program defined by control code or other symbolic instruction, and use the coded digital representation to input the coded digital representation into numerically controlled machine tool by means of information carrier, and make the numerically controlled machine tool send out various control signals to control the action of the machine tool, and can automatically machine the workpiece according to the required shape and size of the drawing.
When processing the circular work piece that size and thickness are the same, current clamping mode carries out the clamping through the jack catch usually, however the in-process of clamping before processing, needs people to adjust each jack catch, need loosen the jack catch after current processing is accomplished simultaneously, then puts into next work piece to adjust the jack catch once more, such clamping mode is consuming time longer, influences production efficiency.
Disclosure of Invention
The purpose of the invention is: aims to provide a clamp for a numerical control machine tool to solve the problems in the background technology.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a clamp for a numerical control machine tool comprises a cylinder body, wherein the cylinder body is provided with four groups of jaw mechanisms and a pushing mechanism, the four groups of 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 jaw mechanism 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 on 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, an arc-shaped guide groove is formed in the rear side of the round rod of the jaw mechanism positioned on the upper side, the arc-shaped guide groove extends from the rear to the front by 90 degrees from the upper side of the round rod to the right side of the round rod, the end part of the pin rod of the jaw mechanism positioned on the upper side extends into the arc-shaped guide groove, a positioning piece is arranged between the pin rod and the barrel body, and the jaw mechanisms positioned on the lower left side and the lower right side and the jaw mechanisms positioned on the upper side are distributed in a circumferential array;
the pushing mechanism comprises a cross connecting rod, a push rod and four rotating rods, wherein four end parts of the cross connecting rod correspond to the rear ends of the four round rods respectively, the four rotating rods are connected to the four end parts of the cross connecting rod in a rotating mode respectively, the four rotating rods are fixedly connected with the rear ends of the four round rods respectively, and the push rod is sleeved with the cylinder body 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 support rods, each support rod is fixedly connected with a circular placing disc together, the circular placing discs are positioned at the inner sides of the four groups of clamping jaw 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 frame is installed to the barrel rear side, electric telescopic handle is installed to the frame, electric telescopic handle with push rod fixed connection.
The setting element including with barrel fixed connection's the platform of being connected, the pin rod with be connected sliding connection between the platform, it has the edge to connect a processing of platform rear side the slide rail of round bar axial extension, pin rod upper end fixedly connected with slide rail sliding connection's slider, pin rod downside front end fixedly connected with bar boss, the locating hole has been seted up to bar boss front side, it is equipped with the C shape locating lever to connect a front end slip cap, C shape locating lever rear end with the locating hole phase-match, C shape locating lever upper end with connect the first spring of fixedly connected with between the platform, the slider with fixedly connected with second spring between the slide rail rear side.
The jacking boss is corresponding to the front end of the C-shaped positioning rod, the surface of the jacking boss is a smooth arc surface, the thickness of the jacking boss is the minimum of one side corresponding to the rear end of the arc-shaped guide groove, the thickness of the jacking boss is the maximum of one side corresponding to the front end of the arc-shaped guide groove, and the maximum thickness of the jacking boss is equal to the depth of the positioning hole in which the rear end of the C-shaped positioning rod is inserted.
The pressing piece comprises a fixed plate fixedly arranged at the front end of the round rod and a movable pressing plate arranged on 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 through the square hole, and the end part of the square rod is provided with a limiting block.
The inside still fixedly connected with four sleeves of barrel, four the bull stick extends respectively and inserts four in the sleeve.
The push rod is provided with two stop blocks, one of the two stop blocks is positioned outside the cylinder, and the other stop block is positioned inside the cylinder.
According to the invention, the push rod is pulled through the electric telescopic rod, so that the round rods are driven to move towards the circular placing disc and rotate simultaneously, the pressing pieces of the round rods on the upper side, the lower side, the left side and the right side can quickly press the circular workpiece of the circular placing disc, the clamping time of the circular workpiece is saved, and after the processing is finished, the pressing pieces can be separated from the circular workpiece by pushing the round rods outwards, so that the processed circular workpiece can be 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 is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an embodiment of a clamp for a numerical control machine tool in an initial state according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure at C in FIG. 1;
FIG. 5 is a schematic structural view of the pin lever of the present invention when unlocked;
FIG. 6 is a schematic structural view illustrating the movement of the pressing member toward the circular placing plate after the pin lever is unlocked according to the embodiment of the present invention;
FIG. 7 is a schematic view of the internal structure of the cylinder according to the embodiment of the present invention;
FIG. 8 is a schematic front side view of an embodiment of the present invention;
the main element symbols are as follows:
the device comprises a barrel body 1, a support rod 11, a circular placing plate 12, a positioning block 13, a connecting table 14, a sleeve 15, a round rod 21, a pin rod 22, a sliding block 221, a second spring 222, a strip-shaped boss 23, a positioning hole 231, a C-shaped positioning rod 24, a first spring 25, a jacking boss 26, a sliding rail 27, an arc-shaped guide groove 28, a cross connecting rod 31, a push rod 32, a rotating rod 33, a stop block 34, a rack 41, an electric telescopic rod 42, a fixing plate 51, a movable pressing plate 52, a third spring 53, a square rod 54 and a limiting block 55.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-8, the clamp for the numerical control machine tool of the present invention comprises a cylinder 1, the cylinder 1 is provided with four sets of jaw mechanisms and a pushing mechanism, the four sets of jaw mechanisms are respectively located at the upper, lower, left and right sides of the front side of the cylinder 1, each set of jaw mechanism comprises a round rod 21, a pressing member and a pin rod 22, each round rod 21 extends forwards, the pressing member of the jaw mechanism located at the upper side is perpendicular to the round rod 21 and the end portion extends horizontally towards the left side of the round rod 21, the rear side of the round rod 21 of the jaw mechanism located at 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 rod 21 towards the right side of the round rod 21 in a backward and forward 90 degrees, the end portion of the pin rod 22 of the jaw mechanism located at the upper side extends into the arc-shaped guide groove 28, a positioning member is arranged between the pin rod 22 and the cylinder 1, the jaw mechanisms located at the lower, the left and right sides and the jaw mechanisms located at the upper side are distributed in a circumferential array, pushing mechanism is including a cross connecting rod 31, a push rod 32 and four bull sticks 33, four tip of cross connecting rod 31 correspond with four round bar 21 rear ends respectively, four bull sticks 33 rotate respectively and connect in four tip of cross connecting rod 31, four bull sticks 33 respectively with four round bar 21 rear end fixed connection, push rod 32 establish with 1 slip cap of barrel and with the center department fixed connection of cross connecting rod 31, 1 front side fixedly connected with of barrel a plurality of bracing pieces 11, the circular dish 12 of placing of the common fixedly connected with of each bracing piece 11, circular dish 12 of placing is located four group jack catch mechanism inboards, a plurality of locating pieces 13 of circular dish 12 fixedly connected with of placing, locating piece 13 is the circumference array and distributes, frame 41 is installed to 1 rear side of barrel, electric telescopic handle 42 is installed to frame 41, electric telescopic handle 42 and push rod 32 fixed connection.
The electric telescopic rod 42 can be stably fixed with the cylinder 1 through the rack 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 circular rods 21 can be installed on the cross connecting rod 31 and form a whole together with the cylinder 1 due to the fact that the four rotating rods 33 are rotatably connected to the four ends of the cross connecting rod 31 and the four rotating rods 33 are respectively fixed with the four circular rods 21; 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 jaw mechanisms on the upper side are all inserted into the rearmost ends of the arc-shaped guide grooves 28 of the round rods 21, and the pressing pieces are all located in the tangential direction of the circular placing disc 12, because the jaw mechanisms on the lower left side, the lower right side and the jaw mechanisms on the upper side 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 rods 21 of each jaw mechanism, and the pressing pieces of each jaw mechanism are all located in the tangential direction of the circular placing disc 12, so that the space of the circular placing disc 12 is not blocked, people can place the circular workpieces into the circular placing disc 12, and position the circular workpieces through the plurality of positioning blocks 13 of the circular placing disc 12; after a round workpiece is placed, the electric telescopic rod 42 can synchronously drive and pull the cross connecting rod 31 and the four rotating rods 33 by pulling the push rod 32, so that the round rod 21 moves towards the round placing disc 12, the jaw mechanism on 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 jaw mechanisms on the lower left side and the right side can also approach the round workpiece and rotate 90 degrees anticlockwise to correspond to the lower left side and the lower right side of the round workpiece in the round placing disc 12, the lower left side and the right side of the round workpiece are pressed, and the upper left side and the right side of the round workpiece are pressed;
after the processing is finished, the electric telescopic rod 42 pushes the round rod 21 outwards, and similarly, the round rod 21 rotates clockwise by 90 degrees to return to the initial position, the pressing piece is positioned at the tangent position of the circular placing disc 12 again, people can conveniently take out the processed circular 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 through the electric telescopic rod, so that the round rods are driven to move towards the circular placing disc and rotate simultaneously, the pressing pieces of the round rods on the upper side, the lower side, the left side and the right side can quickly press the circular workpiece of the circular placing disc, the clamping time of the circular workpiece is saved, and after the processing is finished, the pressing pieces can be separated from the circular workpiece by pushing the round rods outwards, so that the processed circular workpiece can be 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 increase the application range of the invention, the following improvement is made, so that the pressing piece can press round workpieces with the same size but different thicknesses, as shown in the following:
referring to fig. 1 to 8, the positioning element includes a connecting platform 14 fixedly connected to the barrel 1, a pin 22 slidably connected to the connecting platform 14, a slide rail 27 axially extending along the round bar 21 is formed at the rear side of the connecting platform 14, a slide block 221 slidably connected to the slide rail 27 is fixedly connected to the upper end of the pin 22, a bar-shaped boss 23 is fixedly connected to 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 rod 24 is slidably sleeved at the front end of the connecting platform 14, the rear end of the C-shaped positioning rod 24 is matched with the positioning hole 231, a first spring 25 is fixedly connected between the upper end of the C-shaped positioning rod 24 and the connecting platform 14, a second spring 222 is fixedly connected between the slide block 221 and the rear side of the slide rail 27, a lifting boss 26 is formed at the front side of the round bar 21 and is turned in the same direction as the arc-shaped guide groove 28, the lifting boss 26 corresponds to the front end of the C-shaped positioning rod 24, the surface of the lifting boss 26 is a flat arc-shaped surface, the thickness of the jacking boss 26 is the smallest at the side corresponding to the rear end of the arc-shaped guide groove 28, the thickness of the jacking boss 26 is the largest at the side corresponding to the front end of the arc-shaped guide groove 28, and the largest thickness of the jacking boss 26 is equal to the depth of the rear end of the C-shaped positioning rod 24 inserted into 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 to make the pin 22 abut against the foremost 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; meanwhile, 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 thus the pin rod 22 at the lower side of the connecting table 14 and the slide rail 27 are positioned, the pin rod 22 and the connecting table 14 can be positioned, and the pin rod 22 is prevented from loosening;
when clamping the workpiece:
firstly, the electric telescopic rod 42 pulls the round rod 21, and due to the positioning of the pin rod 22, the pin rod 22 can push the round rod 21 to turn 90 ° under the action of the arc-shaped guide groove 28, in the process, because the jacking boss 26 and the arc-shaped guide groove 28 turn in the same direction, the end with the largest thickness of the jacking boss 26 gradually turns over towards the C-shaped positioning rod 24, the C-shaped positioning rod 24 is jacked up by overcoming the elastic force of the first spring 25 until the jacking boss 26 rotates 90 °, the end with the largest thickness of the jacking boss 26 completely jacks up the C-shaped positioning rod 24, and because the largest 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 this time, as shown in fig. 5, the rear end of the C-shaped positioning rod 24 just breaks away from the positioning hole 231, and the pin rod 22 is unlocked;
then, as shown in fig. 6, the electric telescopic rod 42 continues to pull the round rod 21, the jacking boss 26 moves towards the connecting table 14 relative to the C-shaped positioning rod 24, and continues to jack the C-shaped positioning rod 24, so that the C-shaped positioning rod 24 does not rebound and return, at this time, the lower end of the pin 22 is located at the front end of the arc-shaped guide groove 28, meanwhile, the slider 221 slides in the slide rail 27 towards the rear side of the connecting table 14 to compress the second spring 222, and under the elastic action of the second spring 222, the lower end of the pin 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, so that the pressing piece of the round rod 21 can continue to move towards the circular placing disc 12, and further press the circular workpieces with different thicknesses placed in the circular placing disc 12;
finally, when the round workpiece needs to be taken down, the electric telescopic rod 42 pushes the round rod 21 outwards, under the resilience 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 round rod 21 is prevented from rotating automatically until the sliding block 221 moves to the foremost side of the sliding rail 27, at this time, the electric telescopic rod 42 continues to push the round rod 21 outwards, under the action of the pin rod 22 and the arc-shaped guide groove 28, the round rod 21 reversely turns over by 90 degrees to return to the initial state, and similarly, the rear end of the C-shaped positioning rod 24 is inserted into the positioning hole 231 again, 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 limit 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 against the round workpiece in the round placing disc 12, and in the process that the round rod 21 moves towards the round placing disc 12, the third spring 53 between the fixed plate 51 and the movable pressing plate 52 can be compressed, so that the movable pressing plate 52 is pressed against the round workpiece, and 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 to prevent the third spring 53 from bending, and the limiting block 55 is used for preventing the square rod 54 from separating from the square hole.
Referring to fig. 7, four sleeves 15 are further fixedly connected inside the cylinder 1, and four rotating rods 33 are respectively inserted into the four sleeves 15 in an extending manner.
The four sleeves 15 and the four rotating rods 33 can further stabilize the round rod 21, and stability is 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.
Through setting up dog 34, can carry out spacing to the pulling of push rod 32 and extrapolation distance, improve the stability of device.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a anchor clamps 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 mechanism 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 on 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, an arc-shaped guide groove is formed in the rear side of the round rod of the jaw mechanism positioned on the upper side, the arc-shaped guide groove extends from the rear to the front by 90 degrees from the upper side of the round rod to the right side of the round rod, the end part of the pin rod of the jaw mechanism positioned on the upper side extends into the arc-shaped guide groove, a positioning piece is arranged between the pin rod and the barrel body, and the jaw mechanisms positioned on the lower left side and the lower right side and the jaw mechanisms positioned on the upper side are distributed in a circumferential array;
the pushing mechanism comprises a cross connecting rod, a push rod and four rotating rods, wherein four end parts of the cross connecting rod correspond to the rear ends of the four round rods respectively, the four rotating rods are connected to the four end parts of the cross connecting rod in a rotating mode respectively, the four rotating rods are fixedly connected with the rear ends of the four round rods respectively, and the push rod is sleeved with the cylinder body 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 support rods, each support rod is fixedly connected with a circular placing disc together, the circular placing discs are positioned at the inner sides of the four groups of clamping jaw 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 frame is installed to the barrel rear side, electric telescopic handle is installed to the frame, electric telescopic handle with push rod fixed connection.
2. The jig for numerical control machine tools according to claim 1, characterized in that: the setting element including with barrel fixed connection's the platform of being connected, the pin rod with be connected sliding connection between the platform, it has the edge to connect a processing of platform rear side the slide rail of round bar axial extension, pin rod upper end fixedly connected with slide rail sliding connection's slider, pin rod downside front end fixedly connected with bar boss, the locating hole has been seted up to bar boss front side, it is equipped with the C shape locating lever to connect a front end slip cap, C shape locating lever rear end with the locating hole phase-match, C shape locating lever upper end with connect the first spring of fixedly connected with between the platform, the slider with fixedly connected with second spring between the slide rail rear side.
3. The jig for numerical control machine tools according to claim 2, characterized in that: the jacking boss is corresponding to the front end of the C-shaped positioning rod, the surface of the jacking boss is a smooth arc surface, the thickness of the jacking boss is the minimum of one side corresponding to the rear end of the arc-shaped guide groove, the thickness of the jacking boss is the maximum of one side corresponding to the front end of the arc-shaped guide groove, and the maximum thickness of the jacking boss is equal to the depth of the positioning hole in which the rear end of the C-shaped positioning rod is inserted.
4. The jig for numerical control machine tools according to claim 1, characterized in that: the pressing piece comprises a fixed plate fixedly arranged at the front end of the round rod and a movable pressing plate arranged on the rear side of the fixed plate, and a third spring is fixedly connected between the fixed plate and the movable pressing plate.
5. The jig for numerical control machine tools according to claim 5, characterized in that: 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 through the square hole, and the end part of the square rod is provided with a limiting block.
6. The jig for numerical control machine tools according to claim 1, characterized in that: the inside still fixedly connected with four sleeves of barrel, four the bull stick extends respectively and inserts four in the sleeve.
7. The jig for numerical control machine tools according to claim 1, characterized in that: the push rod is provided with two stop blocks, one of the two stop blocks is positioned outside the cylinder, and the other stop block is positioned inside the cylinder.
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 true CN114012121A (en) | 2022-02-08 |
| CN114012121B 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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| CN (1) | CN114012121B (en) |
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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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| CN114012121B (en) | 2024-01-26 |
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