CN220408409U - High-precision vice for micro-machining - Google Patents
High-precision vice for micro-machining Download PDFInfo
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- CN220408409U CN220408409U CN202321743675.6U CN202321743675U CN220408409U CN 220408409 U CN220408409 U CN 220408409U CN 202321743675 U CN202321743675 U CN 202321743675U CN 220408409 U CN220408409 U CN 220408409U
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- 238000005459 micromachining Methods 0.000 title claims abstract description 30
- 238000003754 machining Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 210000000080 chela (arthropods) Anatomy 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision vice for micro-machining, which comprises a fixed clamping unit and a movable clamping unit, wherein the fixed clamping unit comprises: fixed pincers seat, fixed jaw board, first taper pin and first screw, movable clamping unit includes: the movable clamp seat, the movable jaw plate, the second taper pin and the second screw, wherein the second taper pin penetrates through the movable jaw plate and is inserted into the movable clamp seat, and the second screw is connected with the movable jaw plate and the movable clamp seat; the fixed jaw plate is provided with: the movable jaw plate is provided with a first clamping plane, a first burr avoiding groove and a first limiting step, wherein the movable jaw plate is provided with: the second clamping plane, the second burr avoiding groove and the second limiting step. Compared with the prior art, the high-precision vice for micro-machining can ensure the precision of workpiece clamping and positioning, is beneficial to smooth performance of micro-machining of workpieces and realizes high-precision machining.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a high-precision vice for micro machining.
Background
The vice is a clamp common in machining. When a workpiece is clamped by a bench vice for fine machining, the precision of workpiece clamping and positioning needs to be ensured, so that the high-precision machining of the workpiece can be realized.
The prior art vice comprises: the clamping blocks (fixed clamping blocks and movable clamping blocks) and the jaw plates (fixed jaw plates and movable jaw plates) are connected through threaded connectors, and the movable clamping blocks and the movable jaw plates are connected through threaded connectors. The fixed jaw plate and the movable jaw plate cooperate to clamp a workpiece. In the use process of the vice, after the fixed jaw plate and the movable jaw plate clamp the workpiece, if the position of the workpiece is changed in the clamping process or the position of the workpiece is not placed in advance, the workpiece is knocked through bars, so that the position of the workpiece is adjusted.
The disadvantage of the prior art is that, because the clamping blocks and the jaw plates are connected only through the threaded connecting pieces, when the workpiece position is regulated by knocking, knocking force can be transmitted to the fixed jaw plates and the movable jaw plates, and the threaded connecting pieces between the clamping blocks and the jaw plates can be loosened, so that the accuracy and the stability of clamping of the vice are affected.
The prior art is also disadvantageous in that, as the clamping mode in the prior art is as follows: the whole face that utilizes fixed jaw board and removal jaw board carries out the centre gripping to the work piece, adopts this structure, has the burr when the work piece surface, if not clear up the burr or the burr clearance is not in place before the centre gripping, can lead to the product that the processing was come out can't guarantee total height, if all clear up the work piece surface, has increased the clearance process, influences the operating efficiency.
Therefore, it is necessary to provide a new high precision vice for micro-machining to solve the above-mentioned problems.
Disclosure of Invention
First, the technical problem to be solved
Based on the above, the utility model provides a high-precision vice for micro-machining, which aims to solve the technical problem that the clamping precision of the conventional vice is not high.
(II) technical scheme
In order to solve the technical problems, the utility model provides a high-precision vice for micro machining, which comprises a fixed clamping unit and a movable clamping unit, wherein the fixed clamping unit comprises: the movable clamping unit comprises a movable clamp seat and a movable jaw plate arranged on one side of the movable clamp seat, the movable clamp seat and the fixed clamp seat are oppositely arranged, and the movable clamp seat is connected with the fixed clamping unit in a sliding manner; the fixed clamping unit further comprises a first taper pin and a first screw, wherein the first taper pin penetrates through the fixed jaw plate and is inserted into the fixed jaw seat, and the first screw is connected with the fixed jaw plate and the fixed jaw seat; the movable clamping unit further comprises a second taper pin and a second screw, the second taper pin penetrates through the movable jaw plate and is inserted into the movable jaw seat, and the second screw is connected with the movable jaw plate and the movable jaw seat; the top of one side of the fixed jaw plate, which is close to the movable jaw plate, is provided with a first raised limiting step, and a first burr avoiding groove formed by recessing is formed between the first clamping plane and the first limiting step; the top of one side of the movable jaw plate, which is close to the fixed jaw plate, is a second clamping plane, a raised second limiting step is arranged at the top of one side of the movable jaw plate, which is far away from the fixed jaw plate, and a sunken second burr avoiding groove is arranged between the second clamping plane and the second limiting step.
Preferably, the height of the bottom of the first burr avoiding groove is H1, and the height of the bottom of the second burr avoiding groove is the same as the height of the bottom of the second burr avoiding groove; the height of the first clamping plane is H2, and the height of the second clamping plane is the same as the height of the first clamping plane; the height of the first limiting step is H3, and the height of the second limiting step is the same as that of the first limiting step; h1 is more than H2 and less than H3.
Preferably, the first burr avoiding groove and the second burr avoiding groove are rectangular grooves.
Preferably, the whole rectangle that is of fixed jaw board, first spacing step, first burr dodge groove and first centre gripping plane and follow fixed jaw board's width direction sets gradually, fixed jaw board's length direction's both sides are location side and non-location side respectively, location side one side is equipped with the locating piece.
Preferably, the whole locating block is rectangular, and the locating block and the fixed jaw plate are integrally formed.
Preferably, a breaking groove formed by a groove is formed in one side, far away from the positioning block, of the positioning block, and the height of the bottom of the breaking groove is H0, and H0 is smaller than H1.
Preferably, the mounting surfaces of the first taper pin and the first screw are both one side surface of the fixed clamping unit, which is close to the movable clamping unit; the mounting surfaces of the second taper pin and the second screw are the side surfaces of the movable clamping unit, which are close to the fixed clamping unit.
Preferably, the number of the first taper pins is more than two, the number of the first screws is more than two, and the first taper pins and the first screws are staggered; the number of the second taper pins is more than two, the number of the second screws is more than two, and the second taper pins and the second screws are staggered.
Preferably, the high-precision vice for micro-machining further comprises a base, the fixed vice base is fixedly connected with the base, the movable vice base is slidably connected with the base, and the high-precision vice for micro-machining further comprises a linear drive for driving the movable vice base to slide.
Preferably, the middle part of the base is provided with a containing groove, the middle part of the linear drive is positioned in the containing groove, two ends of the linear drive are respectively a connecting end and a driving end, the connecting end is connected with the movable sliding block, and the driving end extends out of one side of the base.
(III) beneficial effects
Compared with the prior art, the high-precision vice for micro-machining can ensure the precision of workpiece clamping and positioning, is beneficial to smooth performance of micro-machining of workpieces and realizes high-precision machining.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a third perspective view of the present utility model;
FIG. 4 is a schematic front view of the present utility model;
FIG. 5 is a schematic top view of the present utility model;
FIG. 6 is a schematic left-hand view of the present utility model;
fig. 7 shows the present utility model: the structure of the fixed jaw plate and the movable jaw plate is shown as a first schematic diagram;
fig. 8 shows the present utility model: and a second structural schematic diagram of the fixed jaw plate and the movable jaw plate.
Reference numerals illustrate:
1. the fixed pliers seat, the fixed jaw plate, the movable pliers seat, the movable jaw plate, the first taper pin, the first screw, the second taper pin, the second screw, the positioning block, the cutting slot, the base and the linear driving are respectively arranged on the fixed pliers seat, the fixed jaw plate, the movable pliers seat, the movable jaw plate, the first taper pin, the first screw, the second taper pin, the second screw, the positioning block and the cutting slot, wherein the cutting slot is respectively arranged on the fixed pliers seat, the fixed jaw plate, the movable jaw plate, the first taper pin and the first screw;
21. the first clamping plane, 22, a first limiting step, 23, a first burr avoiding groove;
41. the second clamping plane is 42, the second limiting step is 43, and the second burr avoiding groove is formed;
111. a receiving groove;
121. and (3) a driving end.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
The high precision vise for micro-machining according to the present utility model will be further described with reference to fig. 1-8.
The utility model discloses a high-precision vice for micro-machining, which comprises a fixed clamping unit and a movable clamping unit, wherein the fixed clamping unit comprises: the movable clamping unit comprises a movable clamp seat 3 and a movable jaw plate 4 arranged on one side of the movable clamp seat 3, the movable clamp seat 3 and the fixed clamp seat 1 are oppositely arranged, and the movable clamp seat 3 is connected with the fixed clamping unit in a sliding manner; the fixed clamping unit further comprises a first taper pin 5 and a first screw 6, wherein the first taper pin 5 penetrates through the fixed jaw plate 2 and is inserted into the fixed jaw seat 1, and the first screw 6 is connected with the fixed jaw plate 2 and the fixed jaw seat 1; the movable clamping unit further comprises a second taper pin 7 and a second screw 8, wherein the second taper pin 7 penetrates through the movable jaw plate 4 and is inserted into the movable jaw seat 3, and the second screw 8 is connected with the movable jaw plate 4 and the movable jaw seat 3; the top of one side of the fixed jaw plate 2, which is close to the movable jaw plate 4, is provided with a first clamping plane 21, the top of one side of the fixed jaw plate 2, which is far away from the movable jaw plate 4, is provided with a first raised limiting step 22, and a first burr avoiding groove 23 formed by recessing is arranged between the first clamping plane 21 and the first limiting step 22; the top of one side of the movable jaw plate 4, which is close to the fixed jaw plate 2, is provided with a second clamping plane 41, the top of one side of the movable jaw plate 4, which is far away from the fixed jaw plate 2, is provided with a second raised limiting step 42, and a second burr avoiding groove 43 formed by recessing is arranged between the second clamping plane 41 and the second limiting step 42.
In this embodiment, the jaw seat (the fixed jaw seat 1 and the movable jaw seat 3) and the jaw plate (the fixed jaw plate 2 and the movable jaw plate 4) are connected not only through the threaded connecting piece, but also are additionally provided with the taper pin, and the jaw seat and the jaw plate are limited through the taper surface of the taper pin, so that the occurrence of dislocation between the jaw seat and the jaw plate can be avoided. Therefore, in the utility model, through the cooperation of the threaded connecting piece and the taper pin, a stable connecting structure can be formed, deformation force caused by knocking the workpiece can be resisted, dislocation deformation between the clamp seat and the jaw plate is avoided, the stability of workpiece clamping is ensured, and conditions are provided for fine machining of the workpiece.
When the workpiece clamping device is used, the distance between the fixed clamping unit and the movable clamping unit is adjusted, two ends of the lower part of the workpiece are respectively placed on the first clamping plane 21 and the second clamping plane 41, and the first limiting step 22 and the second limiting step 42 play a limiting role. Due to the arrangement of the burr avoiding groove (the first burr avoiding groove 23 and the second burr avoiding groove 43), when the workpiece is clamped, the cleaning of the contact surface of the jaw plate is only required to be ensured, and the other parts are avoided by the burr avoiding groove. The workpiece cleaning device has the advantages that the area of the workpiece to be cleaned can be effectively reduced, the working efficiency is improved, burrs can be prevented from being positioned between the workpiece and the jaw plate in the clamping process of the clamp, on one hand, the workpiece is prevented from being stabbed by the burrs, on the other hand, the workpiece is prevented from being blocked by the burrs, and the clamping precision can be further guaranteed.
In summary, the burr void-avoiding groove provided by the utility model not only avoids error influence caused by burrs, ensures that the total height of a product meets the requirement, but also avoids that the arc radius of the tool nose generated in the process of milling the jaw plate influences the clamping precision.
According to the specific embodiment of the utility model, the height of the bottom of the first burr avoiding groove 23 is H1, and the height of the bottom of the second burr avoiding groove 43 is the same as the height of the bottom of the second burr avoiding groove 43; the height of the first clamping plane 21 is H2, and the height of the second clamping plane 41 is the same as the height of the first clamping plane 21; the height of the first limiting step 22 is H3, and the height of the second limiting step 42 is the same as that of the first limiting step 22; h1 < H2 < H3 (see FIG. 4).
In this embodiment, dodge the height of groove, centre gripping plane and spacing step through rationally setting up the burr, do benefit to the centre gripping plane and firmly support the work piece, still do benefit to the step and realize stable spacing function, still do benefit to the burr in addition and dodge the groove and realize the function that the burr dodged.
The vice of the utility model is provided with conical holes for installing conical pins on the fixed jaw seat 1 and the movable jaw seat 3, and the corresponding positions of the jaw plates are also treated with the same conical holes. The advantage of doing so has avoided when clamping work piece beaten the work piece, has avoided the jaw board to receive external force and lead to the uneven problem that leads to the thickness size of work piece not up to standard of jaw height.
According to an embodiment of the present utility model, the first burr avoiding groove 23 and the second burr avoiding groove 43 are rectangular grooves.
According to the embodiment of the utility model, the whole fixed jaw plate 2 is rectangular, the first limiting step 22, the first burr avoiding groove 23 and the first clamping plane 21 are sequentially arranged along the width direction of the fixed jaw plate 2, two sides of the fixed jaw plate 2 in the length direction are respectively a positioning side and a non-positioning side, and a positioning block 9 is arranged on one side of the positioning side.
In the present embodiment, the positioning block 9 is a change reference at the time of processing. The arrangement of the positioning block 9 is beneficial to further improving the precision and efficiency of fine part machining.
The positioning block 9 can be used as a programming zero point of an X axis, the first clamping plane 21 of the fixed jaw plate 2 connected with the fixed jaw seat 1 can be used as a programming zero point of a Y axis, the bottom surface of a workpiece, which is contacted with the movable jaw of the fixed jaw, can be used as a programming zero point of a Z axis, repeated tool setting is not needed when workpieces are loaded each time, re-tool setting operation is not needed after the workpieces are turned over, machining repeatability operation is simplified, and positioning precision is improved.
According to the embodiment of the utility model, the positioning block 9 is rectangular in whole, and the positioning block 9 and the fixed jaw plate 2 are integrally formed.
In this embodiment, the structure of the positioning plate is integrally formed on the jaw plate, which is beneficial to ensuring the accuracy and stability of the position between the positioning block 9 and the jaw plate. And the influence of position uncertainty and deformation caused by movable connection is avoided. Further improving the positioning accuracy.
According to the specific embodiment of the utility model, a breaking groove 10 formed by a groove is arranged on one side of the positioning block 9 away from the positioning block 9, and the height of the bottom of the breaking groove 10 is H0, wherein H0 is less than H1.
In this embodiment, the breaking grooves 10 are provided to separate the clamping portion (the first clamping plane 21) from the positioning block 9, so that the small deformation caused when the clamping portion is clamped by force is prevented from being transmitted to the positioning block 9, and the clamping force can be prevented from affecting the precision of the positioning block 9.
According to the specific embodiment of the utility model, the mounting surfaces of the first taper pin 5 and the first screw 6 are the side surfaces of the fixed clamping unit, which are close to the movable clamping unit; the mounting surfaces of the second taper pin 7 and the second screw 8 are the side surfaces of the movable clamping unit, which are close to the fixed clamping unit.
In the embodiment, screw holes and conical holes are arranged at the corresponding positions of the jaw plate and the clamp seat, so that the screws and the conical pins can be conveniently installed. The outer side of the jaw plate is provided with a countersunk hole for accommodating a screw head, so that the screw is prevented from interfering with the movement of the jaw plate. The structure of the embodiment is beneficial to the installation of the connecting piece and the formation of a stable connecting structure.
According to the specific embodiment of the utility model, the number of the first taper pins 5 is more than two, the number of the first screws 6 is more, and the first taper pins 5 and the first screws 6 are staggered; the number of the second taper pins 7 is more than two, the number of the second screws 8 is more than two, and the second taper pins 7 and the second screws 8 are staggered.
In the embodiment, the positions of the screw and the taper pin are staggered, so that the positioning and the screw tightening actions are staggered, and the positioning and connecting effects are further ensured.
According to an embodiment of the present utility model, the high precision vice for micro-machining further comprises a base 11, the fixed jaw base 1 is fixedly connected with the base 11, the movable jaw base 3 is slidably connected with the base 11, and the high precision vice for micro-machining further comprises a linear drive 12 for driving the movable jaw base 3 to slide.
In this embodiment, the base 11 is used to form a supporting structure for the upper part, and the base 11 is also used to fix with the lower structure, so as to realize the fixed installation of the whole vice.
According to the embodiment of the utility model, the middle part of the base 11 is provided with the accommodating groove 111, the middle part of the linear drive 12 is positioned in the accommodating groove 111, two ends of the linear drive 12 are respectively provided with a connecting end and a driving end 121, the connecting end is connected with the movable sliding block, and the driving end 121 extends out of one side of the base 11.
In this embodiment, the linear driving device 12 is a screw driving structure, the driving end 121 has a hexagonal wrench surface, and the wrench is used to pull the linear driving device 12 to drive the movable jaw 3 to move, so as to clamp and loosen the workpiece.
In the high-precision vice for micromachining according to the present utility model, "micromachining" means machining a small workpiece, and "high-tightness" means high clamping precision of the vice.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements, or "transmission connection", i.e. power connection by various suitable means such as belt transmission, gear transmission or sprocket transmission. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. A high precision vise for micro machining comprising a fixed clamping unit and a movable clamping unit, the fixed clamping unit comprising: the movable clamping unit comprises a movable clamp seat and a movable jaw plate arranged on one side of the movable clamp seat, the movable clamp seat and the fixed clamp seat are oppositely arranged, and the movable clamp seat is connected with the fixed clamping unit in a sliding manner; the fixed clamping unit is characterized by further comprising a first taper pin and a first screw, wherein the first taper pin penetrates through the fixed jaw plate and is inserted into the fixed jaw seat, and the first screw is connected with the fixed jaw plate and the fixed jaw seat; the movable clamping unit further comprises a second taper pin and a second screw, the second taper pin penetrates through the movable jaw plate and is inserted into the movable jaw seat, and the second screw is connected with the movable jaw plate and the movable jaw seat; the top of one side of the fixed jaw plate, which is close to the movable jaw plate, is provided with a first raised limiting step, and a first burr avoiding groove formed by recessing is formed between the first clamping plane and the first limiting step; the top of one side of the movable jaw plate, which is close to the fixed jaw plate, is a second clamping plane, a raised second limiting step is arranged at the top of one side of the movable jaw plate, which is far away from the fixed jaw plate, and a sunken second burr avoiding groove is arranged between the second clamping plane and the second limiting step.
2. The high-precision vice for micro-machining according to claim 1, wherein the first burr avoidance groove bottom has a height H1, and the second burr avoidance groove bottom has the same height as the second burr avoidance groove bottom; the height of the first clamping plane is H2, and the height of the second clamping plane is the same as the height of the first clamping plane; the height of the first limiting step is H3, and the height of the second limiting step is the same as that of the first limiting step; h1 is more than H2 and less than H3.
3. The high precision vice for micro-machining according to claim 2, wherein the first burr avoiding groove and the second burr avoiding groove are rectangular grooves.
4. The high-precision vice for micromachining according to claim 3, wherein the fixed jaw plate is rectangular as a whole, the first limiting step, the first burr avoiding groove and the first clamping plane are sequentially arranged along the width direction of the fixed jaw plate, two sides of the fixed jaw plate in the length direction are a positioning side and a non-positioning side respectively, and a positioning block is arranged on one side of the positioning side.
5. The high precision vice for micro-machining according to claim 4, wherein the positioning block is rectangular in shape as a whole, and the positioning block is integrally formed with the fixed jaw plate.
6. The high-precision vice for micro-machining according to claim 5, wherein a breaking groove formed by a groove is formed in one side of the positioning block away from the positioning block, and the height of the bottom of the breaking groove is H0, H0 < H1.
7. The high-precision vice for micromachining according to claim 6, wherein the mounting surfaces of the first taper pin and the first screw are both a side surface of the fixed clamping unit, which is close to the movable clamping unit; the mounting surfaces of the second taper pin and the second screw are the side surfaces of the movable clamping unit, which are close to the fixed clamping unit.
8. The high-precision vice for micromachining according to claim 7, wherein the number of the first taper pins is two or more, the number of the first screws is plural, and the first taper pins are arranged offset from the first screws; the number of the second taper pins is more than two, the number of the second screws is more than two, and the second taper pins and the second screws are staggered.
9. The high-precision vice for micro-machining according to claim 8, further comprising a base, the fixed jaw being fixedly connected to the base, the movable jaw being slidably connected to the base, the high-precision vice for micro-machining further comprising a linear drive for driving the movable jaw to slide.
10. The high-precision vice for micromachining according to claim 9, wherein the middle part of the base is provided with a receiving groove, the middle part of the linear drive is positioned in the receiving groove, two ends of the linear drive are respectively a connecting end and a driving end, the connecting end is connected with the movable slide block, and the driving end extends out of one side of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743675.6U CN220408409U (en) | 2023-07-05 | 2023-07-05 | High-precision vice for micro-machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743675.6U CN220408409U (en) | 2023-07-05 | 2023-07-05 | High-precision vice for micro-machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220408409U true CN220408409U (en) | 2024-01-30 |
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ID=89660857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743675.6U Active CN220408409U (en) | 2023-07-05 | 2023-07-05 | High-precision vice for micro-machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220408409U (en) |
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2023
- 2023-07-05 CN CN202321743675.6U patent/CN220408409U/en active Active
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