CN221290378U - Vice clamp for machining and machining device - Google Patents
Vice clamp for machining and machining device Download PDFInfo
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- CN221290378U CN221290378U CN202323238172.6U CN202323238172U CN221290378U CN 221290378 U CN221290378 U CN 221290378U CN 202323238172 U CN202323238172 U CN 202323238172U CN 221290378 U CN221290378 U CN 221290378U
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- 238000003754 machining Methods 0.000 title claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000012797 qualification Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a vice clamp for machining and a machining device, wherein the vice clamp for machining comprises a clamp main body and a quick-change base, the clamp main body comprises a clamping body and at least one fastening component which are detachably connected, the clamping body is of a frustum structure, the clamping body is provided with an upper end face and a lower end face which are opposite, the area of the upper end face is smaller than that of the lower end face, a limit groove is formed in the upper end face, and a fixed substrate is arranged on the lower end face; the fixed base plate is detachably connected with the quick-change base, the fixed base plate and the quick-change base are independently in a disc structure, and the diameter of the quick-change base is larger than that of the fixed base plate; the clamping groove is formed in the fastening component, the fastening component stretches into the clamping body along the direction perpendicular to the axial direction of the clamping body, and the clamping groove and the limiting groove are spliced to form a dovetail-shaped clamping opening. The utility model has the advantages of stable clamping, convenient operation and higher repeated stability.
Description
Technical Field
The utility model belongs to the technical field of machining, and relates to a vice clamp for machining and a machining device.
Background
In the machining and manufacturing processes, workpiece clamping is a very important step, and particularly in the case of repeated variable machining of workpieces in machine tool machining such as lathes, milling machines and boring machines, the advantages and disadvantages of workpiece clamping tools can directly influence the machining effect of the workpieces.
Because the workpieces are various in variety and different in size, positioning errors are easy to generate during repeated positioning, so that machining precision errors are large, and the product qualification rate is reduced. At present, the clamping mode of machining mainly comprises three modes: (1) Clamping a workpiece by means of a specially designed clamp in a clamping, compacting or supporting manner: (2) magnetically securing the workpiece to a machine tool or fixture; (3) directly fixing the workpiece on a workbench of the machine tool.
At present, a self-centering vice is generally adopted in machining production, a product to be machined is clamped on the self-centering vice, and the product is fixed by the clamping force of the self-centering vice. But because the clamping force of self-centering vice is not enough, and the bottom sprag is less, the work piece is unstable for connect the tool mark trace easily appears on the surface of processing back product, product quality is unstable, and the reject ratio is higher, in addition, because the vice can't fix a position fast, unsuitable batch production has still reduced production efficiency.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a vice clamp for machining and a machining device, which are stable in clamping, convenient to operate and high in repeated stability.
To achieve the purpose, the utility model adopts the following technical scheme:
In a first aspect, the utility model provides a vice clamp for machining, which comprises a clamp main body and a quick-change base, wherein the clamp main body comprises a clamping body and at least one fastening component which are detachably connected, the clamping body is of a frustum structure, the clamping body is provided with an upper end face and a lower end face which are opposite, the area of the upper end face is smaller than that of the lower end face, the upper end face is provided with a limiting groove, and the lower end face is provided with a fixed substrate; the fixed base plate is detachably connected with the quick-change base, the fixed base plate and the quick-change base are independently of a disc structure, and the diameter of the quick-change base is larger than that of the fixed base plate; the clamping groove is formed in the fastening component, the fastening component stretches into the clamping body along the direction perpendicular to the axial direction of the clamping body, and the clamping groove and the limiting groove are spliced to form a dovetail-shaped clamping opening.
The utility model changes the upper end surface of the clamp main body from straight surface contact to angle contact, increases the bottom support of the workpiece, has the characteristics of stable clamping and good repeated stability, improves the surface quality, improves the product qualification rate, is convenient to clamp and use, can exchange or disassemble the clamp main body according to different workpiece sizes and requirements, realizes repeated positioning and quick change, is beneficial to batch processing of the workpiece, and improves the machining production efficiency.
In the use process, the clamping surface of the workpiece to be clamped is required to be milled to form a positioning boss, and a key groove is milled on the surface of the positioning boss to finish preparation work; before clamping, adjusting the position of the clamp main body on the quick-change base according to the positioning requirement; during clamping, the positioning boss of the workpiece is placed in a dovetail-shaped clamping opening formed by splicing the clamping groove and the limiting groove, so that the bottom support is enhanced.
As a preferable technical scheme of the utility model, the fastening component comprises a clamping part and a locking bolt which are movably connected, the clamping groove is arranged on one side surface of the clamping part, which is close to the clamping body, and the locking bolt penetrates through the clamping part and stretches into the clamping body to be fixed along the direction vertical to the axial direction of the clamping body.
The clamping device adopts the fastening assembly to clamp the workpiece from the side surface, so that the clamping force is enhanced, the clamping stability is improved, the workpiece is prevented from being displaced, and the machining quality is improved.
As a preferable technical scheme of the utility model, the side wall of the clamping body is also provided with at least one U-shaped positioning groove, and the clamping part extends into the clamping body from the U-shaped positioning groove.
As a preferable technical scheme of the utility model, a locking hole is formed in the U-shaped positioning groove, and the locking hole penetrates through the clamping body along the direction perpendicular to the axis of the clamping body; the clamping part comprises a fastening section and a fixing section which are sequentially arranged, the fastening section stretches into the U-shaped positioning groove, the clamping groove is formed in the fastening section, and the fixing section stretches into the locking hole to be fixed.
In the use process, the clamping part extends into the U-shaped positioning groove, so that the clamping groove is propped against the positioning boss of the workpiece from the side surface, and then the locking bolt is inserted into the clamping part for fastening, thereby realizing repeated fixation and improving the stability of clamping.
As a preferable technical scheme of the utility model, at least one first locating pin is further arranged in the limiting groove, and the first locating pin is used for connecting a workpiece.
The clamping body is connected with a workpiece to be clamped through the first positioning pin to realize positioning, a key groove is formed in a positioning boss of the workpiece in the use process, and the first positioning pin is inserted into the key groove.
As a preferable technical scheme of the utility model, the fixed substrate is connected with the quick-change base through bolts.
As a preferable technical scheme of the utility model, the surface of the quick-change base is provided with a plurality of fixture fixing holes, the fixture fixing holes are distributed in a central symmetry mode, and the fixture fixing holes are used for being connected with the fixed substrate through bolts.
As a preferable technical scheme of the utility model, at least one locking groove is also distributed on the surface of the quick-change base, and the fixed substrate is connected with the locking groove through at least one second locating pin for locating.
As a preferable technical scheme of the utility model, the number of the fastening components is at least two, and at least two fastening components are arranged side by side and extend into the clamping body from the same side of the clamping body.
In a second aspect, the present utility model provides a machining apparatus comprising a working turret and the vice clamp for machining of the first aspect, wherein the quick-change base is detachably connected to the working turret.
The machining device provided by the utility model adopts the special vice clamp to clamp and fix the workpiece, so that the stability of the workpiece to be machined is ensured, the product qualification rate is improved, the mass production is realized, and the production efficiency is improved.
Compared with the prior art, the utility model has the beneficial effects that: according to the vice clamp for machining and the machining device, the upper end face of the clamp main body is changed from the straight face contact to the angle contact, the bottom support of a workpiece is increased, the vice clamp has the characteristics of stable clamping and good repeated stability, the surface quality is improved, the product qualification rate is improved, the vice clamp is convenient to clamp and use, the clamp main body can be replaced or disassembled according to different workpiece sizes and requirements, repeated positioning and quick replacement are realized, batch machining of the workpieces is facilitated, and the machining production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a vice clamp for machining according to one embodiment of the present utility model; FIG. 2 is a schematic view of a structure of a workpiece according to an embodiment of the present utility model; FIG. 3 is a schematic view illustrating an assembly of a vice clamp and a workpiece for machining according to an embodiment of the present utility model; fig. 4 is an assembly schematic diagram of a vice clamp for machining and a workpiece according to an embodiment of the utility model.
Wherein, 1-the workpiece; 2-positioning a boss; 3-keyway; 4-clamping the body; 5-quick-changing the base; 6, a limiting groove; 7-a first positioning pin; 8- "U" -shaped positioning groove; 9-locking holes; 10-a fastening assembly; 11-a clamping part; 12-locking bolts; 13-clamping grooves; 14-fixing the substrate; 15-a fixture fixing hole; 16-locking grooves; 17-a second locating pin; 18-a working turntable; 19-a fastening section; 20-fixed section.
Detailed Description
It is to be understood that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In one embodiment, the present utility model provides a vice clamp for machining, as shown in fig. 1, comprising a clamp body and a quick-change base 5. The clamp body comprises a clamp body 4 and at least one fastening assembly 10 detachably connected. The clamping body 4 is of a frustum structure, the clamping body 4 is provided with an upper end face and a lower end face which are opposite, the area of the upper end face is smaller than that of the lower end face, the upper end face is provided with a limiting groove 6, and the lower end face is provided with a fixed substrate 14. The fixed base plate 14 is detachably connected with the quick-change base plate 5, the fixed base plate 14 and the quick-change base plate 5 are independently in a disc structure, and the diameter of the quick-change base plate 5 is larger than that of the fixed base plate 14. The fastening assembly 10 is provided with a clamping groove 13, the fastening assembly 10 extends into the clamping body 4 along the direction perpendicular to the axial direction of the clamping body 4, and the clamping groove 13 and the limiting groove 6 are spliced to form a dovetail-shaped clamping opening.
As shown in fig. 2, in the use process of the utility model, the clamping surface of a workpiece 1 to be clamped is required to be milled to form a positioning boss 2, and a key groove 3 is milled on the surface of the positioning boss 2 to finish preparation work; before clamping, the position of the clamp main body on the quick-change base 5 is adjusted according to the positioning requirement; during clamping, the positioning boss 2 of the workpiece 1 is placed in a dovetail-shaped clamping opening formed by splicing the clamping groove 13 and the limiting groove 6, so that the bottom support is enhanced, the clamping stability is improved, meanwhile, the positioning boss 2 of the workpiece 1 is provided with the key slot 3, and the first positioning pin 7 is inserted into the key slot 3 for connection.
In some embodiments, as shown in fig. 3 and 4, the fastening assembly 10 includes a clamping portion 11 and a locking bolt 12 that are movably connected, the clamping groove 13 is disposed on a side surface of the clamping portion 11 near the clamping body 4, and the locking bolt 12 penetrates through the clamping portion 11 and extends into the clamping body 4 along a direction perpendicular to an axial direction of the clamping body 4 to be fixed. According to the utility model, the workpiece 1 is clamped by the side surface, so that the clamping force is enhanced, the clamping stability is improved, the workpiece 1 is prevented from being displaced, and the machining quality is improved.
Specifically, as shown in fig. 1, the side wall of the clamping body 4 is further provided with at least one "U" shaped positioning groove 8, and the clamping portion 11 extends into the clamping body 4 from the "U" shaped positioning groove 8. A locking hole 9 is formed in the U-shaped positioning groove 8, and the locking hole 9 penetrates through the clamping body 4 along the direction perpendicular to the axis of the clamping body 4. As shown in fig. 4, the clamping portion 11 includes a fastening section 19 and a fixing section 20 that are sequentially disposed, the fastening section 19 extends into the "U" shaped positioning slot 8, the clamping slot 13 is formed on the fastening section 19, and the fixing section 20 extends into the locking hole 9 to fix. In the use process, the clamping part 11 is stretched into the U-shaped positioning groove 8, so that the clamping groove 13 is propped against the positioning boss 2 of the workpiece 1 from the side surface, and then the locking bolt 12 is inserted into the clamping part 11 for fastening, thereby realizing repeated fixation and improving the stability of clamping.
In some embodiments, the number of fastening assemblies 10 is at least two, at least two of the fastening assemblies 10 are arranged side by side and extend into the clamping body 4 from the same side of the clamping body 4.
In some embodiments, the fixing substrate 14 is bolted to the quick-change base 5, a plurality of fixture fixing holes 15 are formed in the surface of the quick-change base 5, the fixture fixing holes 15 are distributed in a central symmetry manner, and the fixture fixing holes 15 are used for bolting the fixing substrate 14. The surface of the quick-change base 5 is also provided with at least one locking groove 16, and the fixed base plate 14 is connected with the locking groove 16 through at least one second positioning pin 17 for positioning. In the assembly process, the fixing base plate 14 is first positioned into the proper locking groove 16 by using the second positioning pin 17, then the M10 bolt is used for penetrating through the fixing base plate 14 and is inserted into the proper fixture fixing hole 15 on the surface of the quick-change base plate 5 to be locked.
In another embodiment, the utility model provides a machining device, which comprises a working turntable 8 and the vice clamp for machining in another embodiment, wherein the quick-change base 5 is detachably connected with the working turntable 18.
In order to help the person skilled in the art to better understand the overall technical scheme and working process of the present utility model, the present utility model provides the following specific clamping modes of the machining device:
Step one: preparation of the workpiece 1 to be processed
S101, milling the clamping surface of the workpiece 1 to form a positioning boss 2 with a dovetail-shaped section, so that the positioning boss 2 is matched with the limiting groove 6 of the clamping body 4 in structure;
S102: and a key groove 3 is formed in the middle of the positioning boss 2 in a machining mode, and the preparation work of the workpiece 1 is completed.
Step two: clamping of workpieces 1
S201: embedding the positioning boss 2 of the workpiece 1 into a dovetail-shaped clamping opening formed by splicing the clamping groove 13 and the limiting groove 6;
S202: the first locating pin 7 in the limit groove 6 is matched with the key groove 3 of the workpiece 1, so that the workpiece 1 is located;
S203: the clamping part 11 stretches into the U-shaped positioning groove 8, the clamping groove 13 is propped against one end of the positioning boss 2 of the workpiece 1 from the side surface to be positioned, and then the locking bolt 12 is inserted into the clamping part 11 to be fastened, so that the workpiece 1 is repeatedly fixed.
Step three: vice clamp and working turntable 8
S301: according to the size of the clamp main body 4 and the size of the workpiece 1 to be processed, fixing the fixed substrate 14 at the bottom of the clamp main body 4 on a proper position of the quick-change base 5 by utilizing at least one second positioning pin 17, and locking the fixed substrate 14 on the quick-change base 5 by utilizing bolts so as to realize the matching of the clamp main body 4 and the bottom;
S302: and integrally moving the vice clamp onto the working turntable 8, and realizing locking connection of the quick-change base 5 and the working turntable 8 by utilizing bolts to finish clamping work.
The utility model changes the upper end surface of the clamp main body 4 from straight surface contact to angle contact, increases the bottom support of the workpiece 1, has the characteristics of stable clamping and good repeated stability, improves the surface quality, improves the product qualification rate, is convenient to clamp and use, is beneficial to batch processing of the workpiece 1, and improves the machining production efficiency.
The applicant declares that the above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present utility model disclosed by the present utility model fall within the scope of the present utility model and the disclosure.
Claims (10)
1. The vice clamp for machining is characterized by comprising a clamp main body and a quick-change base, wherein the clamp main body comprises a clamping body and at least one fastening component which are detachably connected, the clamping body is of a frustum structure and is provided with an upper end face and a lower end face which are opposite, the area of the upper end face is smaller than that of the lower end face, the upper end face is provided with a limiting groove, and the lower end face is provided with a fixed substrate;
The fixed base plate is detachably connected with the quick-change base, the fixed base plate and the quick-change base are independently of a disc structure, and the diameter of the quick-change base is larger than that of the fixed base plate; the clamping groove is formed in the fastening component, the fastening component stretches into the clamping body along the direction perpendicular to the axial direction of the clamping body, and the clamping groove and the limiting groove are spliced to form a dovetail-shaped clamping opening.
2. The vice clamp for machining according to claim 1, wherein the fastening assembly includes a clamping portion and a locking bolt movably connected, the clamping groove is provided on a surface of the clamping portion, which is close to the clamping body, and the locking bolt penetrates the clamping portion and extends into the clamping body in a direction perpendicular to an axial direction of the clamping body to be fixed.
3. The vice clamp for machining according to claim 2, wherein the side wall of the clamping body is further provided with at least one "U" -shaped positioning groove, and the clamping portion extends into the clamping body from the "U" -shaped positioning groove.
4. The vice clamp for machining according to claim 3, wherein the "U" shaped positioning groove is provided therein with a locking hole penetrating the clamping body in a direction perpendicular to the axis of the clamping body;
The clamping part comprises a fastening section and a fixing section which are sequentially arranged, the fastening section stretches into the U-shaped positioning groove, the clamping groove is formed in the fastening section, and the fixing section stretches into the locking hole to be fixed.
5. The vice clamp for machining according to claim 1, wherein at least one first positioning pin for connecting a workpiece is further provided in the limit groove.
6. The machine vise clamp of claim 1, said fixed base plate being bolted to said quick change base.
7. The vice clamp for machining according to claim 6, wherein a plurality of clamp fixing holes are formed in the surface of the quick-change base, the clamp fixing holes are distributed in a central symmetry manner, and the clamp fixing holes are used for bolting the fixing base plate.
8. The vice clamp for machining according to claim 6, wherein the quick-change base further has at least one locking groove distributed on a surface thereof, and the fixing base plate is positioned by being connected to the locking groove by at least one second positioning pin.
9. The machine vise clamp according to claim 1, wherein said number of fastening assemblies is at least two, said at least two fastening assemblies being arranged side by side and extending into said clamping body from the same side of said clamping body.
10. A machining apparatus comprising a work turret and the vice clamp for machining according to any one of claims 1 to 9, wherein the quick-change base is detachably connected to the work turret.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323238172.6U CN221290378U (en) | 2023-11-29 | 2023-11-29 | Vice clamp for machining and machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323238172.6U CN221290378U (en) | 2023-11-29 | 2023-11-29 | Vice clamp for machining and machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221290378U true CN221290378U (en) | 2024-07-09 |
Family
ID=91749139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323238172.6U Active CN221290378U (en) | 2023-11-29 | 2023-11-29 | Vice clamp for machining and machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221290378U (en) |
-
2023
- 2023-11-29 CN CN202323238172.6U patent/CN221290378U/en active Active
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