CN220698843U - Positioning mechanism for machining - Google Patents
Positioning mechanism for machining Download PDFInfo
- Publication number
- CN220698843U CN220698843U CN202321808862.8U CN202321808862U CN220698843U CN 220698843 U CN220698843 U CN 220698843U CN 202321808862 U CN202321808862 U CN 202321808862U CN 220698843 U CN220698843 U CN 220698843U
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- CN
- China
- Prior art keywords
- connecting member
- pin
- bush
- positioning
- positioning mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003754 machining Methods 0.000 title claims abstract description 21
- 241001397809 Hakea leucoptera Species 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003801 milling Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000011900 installation process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a positioning mechanism for machining, which comprises a positioning pin and a positioning pin mounting seat, wherein the positioning pin mounting seat is fixedly arranged on a clamp plate. The positioning pin has the advantages that the driving mechanism drives the pin sleeve to move up and down, and then drives the positioning pin to move up and down, when the process boss is required to be milled off after the product is processed, the driving mechanism drives the pin sleeve to move down, so that the positioning part of the positioning pin is separated from the corresponding hole and avoids the milled position, the milling off treatment of the process boss can be realized without transferring the product to other places, the structure is simple, and the production cost and the beat are effectively saved.
Description
Technical Field
The utility model relates to the technical field of machining positioning, in particular to a positioning mechanism for machining.
Background
At present, for machining of certain products, since the final product is formed without holes or surfaces suitable for positioning, process bosses which are required as positioning bases during machining are left on the product when the product is manufactured, and suitable positioning holes or positioning surfaces of the product during machining are provided through the process bosses, and the process bosses must be milled out before the final delivery of the product. The existing positioning mechanism for machining at present, in particular to a positioning pin matched with a positioning hole, is basically in a fixed positioning form, and if the positioning is directly performed for milling a process boss after the machining of a product is finished, the positioning pin can be damaged, so that the product needs to be detached from the positioning tool and the process boss is milled away from other places, which means that one more working procedure is added, the production cost and the beat are both increased, and the control of the overall manufacturing cost is not facilitated.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the positioning mechanism for machining, which has a simple structure, and can realize the milling-off treatment of the process boss without transferring the product to other places after the product machining is finished, thereby effectively saving the production cost and the beat.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a positioning mechanism for machining, includes locating pin and locating pin mount pad, locating pin mount pad fixed mounting on the anchor clamps board, the locating pin mount pad on can be provided with the spacer bush from top to bottom movably, the locating pin include locating part and the installation department that top-down set gradually, the installation department coaxial stretch into set up the spacer bush in and with spacer bush fixed connection, the locating part upwards stretch out the spacer bush, the below of spacer bush be provided with and be used for driving the actuating mechanism of spacer bush up-and-down motion.
The locating pin mounting seat is provided with a guide hole which is vertically penetrated and matched with the pin sleeve, and the pin sleeve can be vertically movably arranged in the guide hole. The pin sleeve is guided by the guide holes in a vertical linear motion mode, so that the positioning part on the positioning pin can be accurately aligned with the holes on the process boss, and positioning accuracy is achieved.
The driving mechanism is a linear cylinder, the linear cylinder comprises a cylinder body and a piston rod, the piston rod is arranged on the cylinder body in a vertical linear motion, and the piston rod and the pin sleeve are coaxially and fixedly connected through a connecting component. The driving mechanism is simple in structure, when the process boss is required to be positioned and supported, an upward supporting force is provided for the positioning pin through the linear cylinder, and when the process boss is required to be milled off, the linear cylinder drives the positioning pin to be downward, so that position avoidance is formed.
The connecting component comprises an upper connecting piece and a lower connecting piece, wherein the upper end of the upper connecting piece is coaxially and fixedly connected with the lower end of the pin sleeve, the lower end of the lower connecting piece is coaxially and fixedly connected with the upper end of the piston rod, and the lower end of the upper connecting piece is connected with the upper end of the lower connecting piece. The connecting component has a simple structure, is divided into an upper connecting piece and a lower connecting piece, and can realize flexible and adjustable structure.
The upper end of the lower connecting piece is provided with an upper connecting part which is used for being connected with the lower end of the upper connecting piece, the lower end of the upper connecting piece is provided with a lower connecting part which is used for being connected with the upper connecting part, the lower connecting part is provided with a T-shaped mounting groove which is opened at the lower part and penetrates left and right, the upper connecting part is of a T-shaped structure which is matched with the T-shaped mounting groove, the T-shaped structure is mounted in the T-shaped mounting groove, the side part of the T-shaped structure is in clearance fit with the T-shaped mounting groove, and the top end face of the T-shaped structure is a spherical surface. Based on the poor self precision of straight line jar, through above-mentioned structural design for form a slipknot between last connecting piece and the lower connecting piece and be connected, be used for the regulation of straight line jar precision.
The cylinder body is arranged below the clamp plate, a mounting cavity which penetrates through the clamp plate vertically is formed in the clamp plate, the piston rod and the connecting member are located in the mounting cavity, and the upper end of the connecting member extends out of the mounting cavity to be fixedly connected with the pin bush coaxially. The space of the clamp plate is effectively utilized, and the compactness of the whole structure is realized.
The outer diameter of the positioning part is gradually increased from top to bottom. Is convenient for positioning and installation.
Compared with the prior art, the utility model has the advantages that: the driving mechanism drives the pin sleeve to move up and down, so as to drive the positioning pin to move up and down, when the positioning pin is used for positioning, the positioning pin is matched with the positioning hole on the process boss to realize positioning installation of the process boss, and when the process boss is required to be milled off after product processing is finished, the driving mechanism drives the pin sleeve to move down, so that the positioning part of the positioning pin is separated from the corresponding hole and avoids the milled position, and the milling off treatment of the process boss can be realized without transferring the product to other places.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of an installation process boss according to the present utility model;
FIG. 3 is a schematic cross-sectional view of an installation process boss of the present utility model;
fig. 4 is a schematic exploded view of the clamp plate of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in the figure, the positioning mechanism for machining comprises a positioning pin 1 and a positioning pin mounting seat 2, wherein the positioning pin mounting seat 2 is fixedly mounted on a clamp plate 4, a pin sleeve 3 is movably arranged on the positioning pin mounting seat 2 up and down, the positioning pin 1 comprises a positioning part 101 and a mounting part 102 which are sequentially arranged from top to bottom, the mounting part 102 coaxially stretches into the pin sleeve 3 and is fixedly connected with the pin sleeve 3, the positioning part 101 stretches out of the pin sleeve 3 upwards, and a driving mechanism for driving the pin sleeve 3 to move up and down is arranged below the pin sleeve 3.
In this embodiment, the positioning pin mounting seat 2 is provided with a guide hole 21 which is penetrated up and down and matched with the pin bush 3, and the pin bush 3 can be arranged in the guide hole 21 in a vertically movable manner. The pin bush 3 is guided by the guide hole 21 to move up and down in a linear manner, so that the positioning part 101 on the positioning pin 1 can be aligned with the hole on the process boss A accurately, and positioning accuracy is realized.
In this embodiment, the driving mechanism is a linear cylinder 5, the linear cylinder 5 includes a cylinder body 51 and a piston rod 52, the piston rod 52 is disposed on the cylinder body 51 so as to be linearly movable up and down, and the piston rod 52 and the pin bush 3 are fixedly connected coaxially through a connecting member. The driving mechanism is simple in structure, when the process boss A needs to be positioned and supported, an upward supporting force is provided for the positioning pin 1 through the linear cylinder 5, and when the process boss A needs to be milled off, the linear cylinder 5 drives the positioning pin 1 to move downwards to form position avoidance.
In this embodiment, the connecting member includes an upper connecting piece 6 and a lower connecting piece 7, the upper end of the upper connecting piece 6 is coaxially and fixedly connected with the lower end of the pin bush 3, the lower end of the lower connecting piece 7 is coaxially and fixedly connected with the upper end of the piston rod 52, and the lower end of the upper connecting piece 6 is connected with the upper end of the lower connecting piece 7. The connecting component has a simple structure, is divided into the upper connecting piece 6 and the lower connecting piece 7, and can realize flexible and adjustable structure.
In this embodiment, the upper end of the lower connecting member 7 has an upper connecting portion 71 for connecting with the lower end of the upper connecting member 6, the lower end of the upper connecting member 6 has a lower connecting portion 61 for connecting with the upper connecting portion 71, the lower connecting portion 61 is provided with a T-shaped mounting groove 611 which is open at the lower portion and penetrates right and left, the upper connecting portion 71 is of a T-shaped structure which is fitted with the T-shaped mounting groove 611, the T-shaped structure is fitted in the T-shaped mounting groove 611, a clearance fit is provided between a side portion of the T-shaped structure and the T-shaped mounting groove 611, and a top end face 711 of the T-shaped structure is a spherical surface. Based on the fact that the precision of the linear cylinder 5 is poor, through the structural design, a slipknot connection is formed between the upper connecting piece 6 and the lower connecting piece 7 and is used for adjusting the precision of the linear cylinder 5.
In this embodiment, the cylinder 51 is disposed below the clamp plate 4, a mounting cavity 41 penetrating up and down is disposed in the clamp plate 4, the piston rod 52 and the connecting member are disposed in the mounting cavity 41, and the upper end of the connecting member extends out of the mounting cavity 41 to be fixedly connected with the pin bush 3 coaxially. The space of the jig plate 4 is effectively utilized, and the compactness of the whole structure is realized.
In this embodiment, the positioning portion 101 has an outer diameter that gradually increases from top to bottom. Is convenient for positioning and installation.
Claims (7)
1. The utility model provides a positioning mechanism for machining, includes locating pin and locating pin mount pad, locating pin mount pad fixed mounting on the anchor clamps board, its characterized in that locating pin mount pad on can be provided with the bush from top to bottom movably, the locating pin include locating part and the installation department that top-down set gradually, the installation department coaxial stretch into set up in the bush and with bush fixed connection, the locating part upwards stretch out the bush, the below of bush be provided with and be used for driving the actuating mechanism of bush up-and-down motion.
2. The positioning mechanism for machining according to claim 1, wherein the positioning pin mounting base is provided with a guide hole penetrating up and down and matched with the pin bush, and the pin bush is movably arranged in the guide hole up and down.
3. The positioning mechanism for machining according to claim 1, wherein the driving mechanism is a linear cylinder, the linear cylinder comprises a cylinder body and a piston rod, the piston rod is arranged on the cylinder body in a vertically linear motion, and the piston rod is fixedly connected with the pin bush coaxially through a connecting member.
4. A positioning mechanism for machining as claimed in claim 3, wherein said connecting member comprises an upper connecting member and a lower connecting member, the upper end of said upper connecting member being fixedly connected coaxially with the lower end of said pin housing, the lower end of said lower connecting member being fixedly connected coaxially with the upper end of said piston rod, and the lower end of said upper connecting member being connected with the upper end of said lower connecting member.
5. The positioning mechanism for machining according to claim 4, wherein the upper end of the lower connecting member has an upper connecting portion for connecting with the lower end of the upper connecting member, the lower end of the upper connecting member has a lower connecting portion for connecting with the upper connecting portion, the lower connecting portion is provided with a T-shaped mounting groove which is open at the lower portion and penetrates left and right, the upper connecting portion is of a T-shaped structure matched with the T-shaped mounting groove, the T-shaped structure is mounted in the T-shaped mounting groove, a clearance fit is formed between the side portion of the T-shaped structure and the T-shaped mounting groove, and the top end face of the T-shaped structure is a spherical surface.
6. A positioning mechanism for machining according to claim 3, wherein said cylinder is disposed below said jig plate, a vertically penetrating mounting cavity is provided in said jig plate, said piston rod and said connecting member are disposed in said mounting cavity, and the upper end of said connecting member extends out of said mounting cavity and is fixedly connected coaxially with said pin bush.
7. A positioning mechanism for machining according to claim 1, wherein said positioning portion has an outer diameter which increases from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808862.8U CN220698843U (en) | 2023-07-10 | 2023-07-10 | Positioning mechanism for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321808862.8U CN220698843U (en) | 2023-07-10 | 2023-07-10 | Positioning mechanism for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698843U true CN220698843U (en) | 2024-04-02 |
Family
ID=90440332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321808862.8U Active CN220698843U (en) | 2023-07-10 | 2023-07-10 | Positioning mechanism for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698843U (en) |
-
2023
- 2023-07-10 CN CN202321808862.8U patent/CN220698843U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |