CN215846934U - Clamp for flange joint workpiece - Google Patents
Clamp for flange joint workpiece Download PDFInfo
- Publication number
- CN215846934U CN215846934U CN202122147845.1U CN202122147845U CN215846934U CN 215846934 U CN215846934 U CN 215846934U CN 202122147845 U CN202122147845 U CN 202122147845U CN 215846934 U CN215846934 U CN 215846934U
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- base
- workpiece
- flange joint
- positioning
- clamp
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- 238000003825 pressing Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 8
- 238000003801 milling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a clamp for a flange joint workpiece, which comprises a base, wherein an open slot for accommodating the workpiece is formed in the side edge of the base, the open slot is formed in the vertical direction, a locking part for clamping the workpiece is connected onto the base, a positioning hole is formed in the top of the base, the positioning hole is formed in the periphery of the open slot, a positioning pin matched with a notch of the workpiece is inserted into the positioning hole, an elastic part is arranged in the positioning hole, and the elastic part drives the top end of the positioning pin to be exposed out of the top of the base. The flange joint positioning device has the advantages of simple structure, convenience in operation and high positioning precision, and effectively improves the machining efficiency of flange joint workpieces.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a clamp for a flange joint workpiece.
Background
In the conventional flange joint workpiece (hereinafter, referred to as a workpiece) shown in fig. 1, the whole workpiece is in a stepped shaft shape, an annular flange is convexly arranged on the circumferential surface of the workpiece, and a plurality of notches are arranged on the annular flange and are circumferentially distributed at equal intervals around the axis of the workpiece. At present when processing the notch, with the work piece clamping on the dividing head, then mill a notch through the milling machine, hand dividing head again makes the work piece rotate certain angle, and the milling machine mills next notch again, so operate repeatedly, accomplish until all notches are all processed. Therefore, the operation process is relatively troublesome, the workpiece is rotated at every time, the manual indexing head is needed, the manual indexing head is easy to shake, the processing quality of the notch is affected, and the manual process occupies more time, so that the processing efficiency is low. Therefore, there is a need to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a jig for flange joint workpieces.
The utility model realizes the purpose through the following technical scheme: the utility model provides an anchor clamps for flange joint work piece, includes the base, the side of base is equipped with the open slot of holding work piece, the open slot is seted up along vertical direction, be connected with the retaining member that is used for pressing from both sides tight work piece on the base, the top of base is equipped with the locating hole, the locating hole set up in the periphery of open slot, peg graft in the locating hole have with the locating pin of the notch looks adaptation of work piece, be equipped with the elastic component in the locating hole, the elastic component orders about the top of locating pin expose in the top of base.
Furthermore, a mounting hole penetrates through the base; the fixture is convenient to mount on a workbench of a milling machine, is convenient to mount, is firm in connection, and improves the working efficiency.
Furthermore, the open slot comprises a positioning slot and an avoiding slot which are sequentially arranged from top to bottom, the cross-sectional area of the positioning slot is larger than that of the avoiding slot, so that a U-shaped step surface is formed between the positioning slot and the avoiding slot, and the positioning hole is arranged on the step surface; the positioning device is better matched with a workpiece, so that the workpiece can be conveniently positioned, clamped and fixed, and the positioning precision is effectively improved.
Furthermore, the bottom end of the locking piece is in threaded connection with the base, a pressing block is convexly arranged at the top end of the locking piece, and the pressing block is arranged corresponding to the step surface; the workpiece is convenient to clamp or disassemble, and the processing efficiency is improved.
Furthermore, a limit flange is convexly arranged on the circumferential surface of the positioning pin, and a convex block matched with the limit flange in a stop way is arranged at the top end of the positioning hole; the positioning pin is firmly installed, and the positioning pin is prevented from falling from the positioning hole.
Furthermore, the top of the positioning pin is hemispherical; the positioning pin has the advantages that a certain guiding effect is achieved, the workpiece is conveniently positioned, the working efficiency is improved, and the possibility that the workpiece is scratched by the positioning pin is avoided.
Furthermore, the bottom end of the positioning hole is in threaded connection with a limit screw, and the elastic part is pressed between the limit screw and the positioning pin; the installation of the elastic component of being convenient for avoids the elastic component to drop from the locating hole.
The utility model has the beneficial effects that: in actual processing, a workpiece to be processed is accommodated in the open slot, then the locking part is operated to clamp and fix the workpiece to be processed, at the moment, under the action of the locking part and the workpiece to be processed, the workpiece to be processed presses the positioning pin, the positioning pin overcomes the acting force of the elastic part and retracts into the positioning hole, then the milling machine is started, due to the structural principle of the open slot, the side, away from the open slot, of the workpiece to be processed is not restricted or limited, so that the milling cutter moves freely relatively, a slot opening can be milled on the workpiece to be processed quickly, then the locking part is loosened, the workpiece to be processed is rotated, due to the action of the elastic part, the positioning pin is automatically clamped into the previously milled slot opening, so that the workpiece to be processed is positioned, then the locking part is operated to clamp and fix the workpiece to be processed again, the process is repeated, and then the next slot opening is milled, the positioning pin is matched with the notches of the workpiece, so that the rotating angle of the workpiece each time is the interval included angle between adjacent notches, the workpiece can be rapidly rotated, the machining position of each notch can be kept correct, rapid positioning is realized, the problems that a hand-operated dividing head is easy to shake mistakenly and takes long time in the prior art are solved, the operation is convenient, the machining time is effectively shortened, the machining efficiency is improved, and the machining quality is ensured; in general, the flange joint positioning device has the advantages of simple structure, convenience in operation and high positioning precision, and effectively improves the machining efficiency of flange joint workpieces.
Drawings
FIG. 1 is a schematic structural view of a prior art flange joint workpiece;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the base of the present invention;
fig. 5 is a schematic view of the state of use of the present invention.
The reference numerals are explained below:
1-a base; 11-open slots; 111-a positioning slot; 112-avoiding groove; 113-step surface; 12-positioning holes; 13-mounting holes; 14-a bump; 2-a locking member; 21-briquetting; 3-positioning pins; 31-a position-defining flange; 4-an elastic member; 5-a limit screw.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, the present embodiment provides a fixture for a flange joint workpiece, including a base 1, a side of the base 1 is provided with an open slot 11 for accommodating a workpiece, the open slot 11 is formed along a vertical direction, the base 1 is connected with a locking member 2 for clamping the workpiece, a positioning hole 12 is formed in a top of the base 1, the positioning hole 12 is formed in a periphery of the open slot 11, a positioning pin 3 adapted to a notch of the workpiece is inserted into the positioning hole 12, an elastic member 4 is arranged in the positioning hole 12, and the elastic member 4 drives a top end of the positioning pin 3 to be exposed out of the top of the base 1.
Specifically, the base 1 is penetrated with a mounting hole 13, two sides of the open slot 11 are respectively provided with a mounting hole 13, when the base 1 is clamped, only a corresponding bolt is required to be installed and fixed on a workbench of a milling machine, so that the clamp is firmly fixed on the milling machine.
The opening groove 11 comprises a positioning groove 111 and an avoiding groove 112 which are sequentially arranged from top to bottom, the cross-sectional area of the positioning groove 111 is larger than that of the avoiding groove 112, so that a U-shaped step surface 113 is formed between the positioning groove 111 and the avoiding groove 112, and the positioning hole 12 is arranged on the step surface 113; the bottom and the base 1 threaded connection of retaining member 2, the protruding briquetting 21 that is equipped with in top of retaining member 2, briquetting 21 and step face 113 correspond the setting.
Preferably, the positioning groove 111 and the avoiding groove 112 are both U-shaped, and are better matched with a stepped shaft-shaped workpiece; when a workpiece to be machined is clamped, the main structure of the workpiece is accommodated in the avoiding groove 112, and the annular flange on the workpiece is just accommodated in the positioning groove 111. Two sides of the open slot 11 are respectively provided with a locking part 2, so that a workpiece to be processed is firmly clamped, and more locking parts can be arranged; the locking piece 2 adopts a screw or a bolt, and a standard piece is reasonably utilized, so that the locking piece can be directly purchased and obtained on the market, and the processing cost is effectively reduced. The two sides of the open slot 11 are respectively provided with a positioning hole 12, the spacing included angle of the positioning hole 12 should be matched with the spacing included angle distributed on the notch of the workpiece, so as to ensure the positioning accuracy, of course, more positioning holes 12 can be arranged, and the positioning pin 3, the elastic part 4 and the limit screw 5 should be correspondingly arranged in the positioning hole 12, so that the positioning accuracy is improved.
A limiting flange 31 is convexly arranged on the circumferential surface of the positioning pin 3, and a convex block 14 which is matched with the limiting flange 31 in a stopping way is arranged at the top end of the positioning hole 12; the top of the positioning pin 3 is hemispherical.
It should be noted that, the position of the positioning hole 12 should be set on the step surface 113 reasonably according to the actual distribution number and position of the notches, and the required rotation angle of each time is the interval included angle between adjacent notches in the process of processing the workpiece to be processed.
The bottom end of the positioning hole 12 is in threaded connection with a limit screw 5, and the elastic piece 4 is arranged between the limit screw 5 and the positioning pin 3 in a pressing mode.
Preferably, the elastic part 4 is a cylindrical spring, and the limit screw 5 is a fastening screw, so that the elastic part is better hidden in the positioning hole 12, and the base 1 is convenient to mount.
The specific working principle of the utility model is as follows: during actual processing, a workpiece to be processed is accommodated in the open slot 11, then the locking part 2 is screwed, the pressing block 21 is abutted against the annular flange, the workpiece to be processed is clamped and fixed, at the moment, under the action of the locking part 2 and the workpiece to be processed, the workpiece to be processed presses the positioning pin 3, the positioning pin 3 overcomes the acting force of the elastic part 4 and retracts into the positioning hole 12, then the milling machine is started, due to the structural principle of the open slot 11, the side, away from the open slot 11, of the workpiece to be processed is not restricted or limited, so that the milling cutter can move freely, a slot opening can be rapidly milled on the workpiece to be processed, then the locking part 2 is loosened, the workpiece to be processed is rotated, due to the action of the elastic part 4, the positioning pin 3 is automatically clamped into the slot opening milled before, the workpiece to be processed is positioned, then the locking part 2 is operated to clamp and fix the workpiece to be processed again, and repeating the process to mill the next notch, and repeating the operation until all the notches are machined, thereby finishing the machining of the workpiece.
The foregoing shows and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the claimed invention. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (7)
1. A fixture for flange joint workpieces, characterized in that: including base (1), the side of base (1) is equipped with open slot (11) of holding work piece, open slot (11) are seted up along vertical direction, be connected with retaining member (2) that are used for pressing from both sides tight work piece on base (1), the top of base (1) is equipped with locating hole (12), locating hole (12) set up in the periphery of open slot (11), peg graft in locating hole (12) have with locating pin (3) of the notch looks adaptation of work piece, be equipped with elastic component (4) in locating hole (12), elastic component (4) order about the top of locating pin (3) expose in the top of base (1).
2. A clamp for a flange joint workpiece according to claim 1, wherein: the base (1) is provided with a mounting hole (13) in a penetrating way.
3. A clamp for a flange joint workpiece according to claim 1, wherein: open slot (11) include from last constant head tank (111) that sets gradually extremely down and dodge groove (112), the cross-sectional area of constant head tank (111) is greater than dodge the cross-sectional area of groove (112), so that constant head tank (111) with dodge and be formed with step face (113) of U type between groove (112), locating hole (12) are seted up in on step face (113).
4. A clamp for a flange joint workpiece according to claim 3, wherein: the bottom of retaining member (2) with base (1) threaded connection, the protruding briquetting (21) that is equipped with in top of retaining member (2), briquetting (21) with step face (113) corresponds the setting.
5. A clamp for a flange joint workpiece according to claim 1, wherein: the positioning pin is characterized in that a limiting flange (31) is convexly arranged on the circumferential surface of the positioning pin (3), and a convex block (14) matched with the limiting flange (31) in a stopping way is arranged at the top end of the positioning hole (12).
6. A clamp for a flange joint workpiece according to claim 1, wherein: the top of the positioning pin (3) is hemispherical.
7. A clamp for a flange joint workpiece according to claim 1, wherein: the bottom end of the positioning hole (12) is in threaded connection with a limiting screw (5), and the elastic piece (4) is arranged between the limiting screw (5) and the positioning pin (3) in a pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122147845.1U CN215846934U (en) | 2021-09-07 | 2021-09-07 | Clamp for flange joint workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122147845.1U CN215846934U (en) | 2021-09-07 | 2021-09-07 | Clamp for flange joint workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215846934U true CN215846934U (en) | 2022-02-18 |
Family
ID=80257555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122147845.1U Active CN215846934U (en) | 2021-09-07 | 2021-09-07 | Clamp for flange joint workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215846934U (en) |
-
2021
- 2021-09-07 CN CN202122147845.1U patent/CN215846934U/en active Active
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