CN218503771U - Positioning jig - Google Patents
Positioning jig Download PDFInfo
- Publication number
- CN218503771U CN218503771U CN202222592337.9U CN202222592337U CN218503771U CN 218503771 U CN218503771 U CN 218503771U CN 202222592337 U CN202222592337 U CN 202222592337U CN 218503771 U CN218503771 U CN 218503771U
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- roller
- positioning jig
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- 239000000463 material Substances 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 abstract description 28
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Abstract
The utility model relates to a positioning jig, include: a base plate; the fixing assembly is arranged on the bottom plate and comprises a fixing tip; the movable assembly is arranged opposite to the fixed assembly along a first direction and comprises a movable center, and the movable center is opposite to the fixed center and is configured to move along the first direction; the fixed center and the movable center are respectively used for abutting against two ends of the roller part so as to position the roller part. The utility model discloses can effectively position combination roller, reduce the condition that equipment error appears in the combination roller after the equipment, guarantee the axiality of equipment back combination roller, improve the welding qualification rate of combination roller, it is extravagant to reduce the material.
Description
Technical Field
The utility model relates to a welding jig field particularly, relates to a positioning jig.
Background
The combined roller is a roller piece assembled by a plurality of workpieces, in the process of machining a lathe, a worker needs to assemble the combined roller before welding the combined roller, in the process of assembling, assembly errors are easy to occur in the welding position of the combined roller, the coaxiality of the assembled combined roller is difficult to guarantee, the subsequent welding qualified rate of the combined roller is influenced, and material waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioning jig can effectively fix a position the combination roller, reduces the condition that equipment error appears in the combination roller after the equipment, guarantees the axiality of equipment back combination roller, improves the welding qualification rate of combination roller, and it is extravagant to reduce the material.
A positioning jig comprising: a base plate; the fixing assembly is arranged on the bottom plate and comprises a fixing tip; the movable assembly is arranged opposite to the fixed assembly along a first direction and comprises a movable center, and the movable center is opposite to the fixed center and is configured to move along the first direction; the fixed center and the movable center are respectively used for abutting against two ends of the roller part so as to position the roller part.
In above-mentioned technical scheme, fixed center and live center set up relatively, through the one end butt of fixed center with the combination roller, order about live center again and remove along the first direction for live center and the other end butt of combination roller, thereby with the combination roller location on a straight line, the location is stable, can avoid the combination roller to take place the beat when the welding, and can guarantee the axiality of combination roller when the welding, effectively improve the welding quality of combination roller, it is extravagant to reduce the material.
Furthermore, the movable assembly comprises a stroke adjusting seat and a driving piece, the driving piece is arranged on the stroke adjusting seat, and the output end of the driving piece is connected to the movable center so as to drive the movable center to move along a first direction.
In the technical scheme, the driving part can drive the movable center to move along the first direction, so that the movable center is abutted against one end of the combined roller, certain pressure can be kept on the combined roller in the welding process, and the positioning accuracy and stability of the combined roller are ensured.
Furthermore, a through hole is formed in the stroke adjusting seat, and the movable center penetrates through the through hole.
In the technical scheme, the through hole can position the live center, guide the movement of the live center and ensure that the live center moves along the first direction.
Furthermore, a boss is formed at one end, far away from the fixed component, of the movable center, and an elastic part is arranged between the boss and the stroke adjusting seat.
In above-mentioned technical scheme, through set up the elastic component between boss and stroke adjustment seat, when live center stretches out and when making up the roller butt, the elastic component can form the elasticity that lasts, and after the welding was accomplished, live center can be automatic re-setting under the effect of this elasticity, the taking out of the combination roller of being convenient for operate convenient and fast more.
Furthermore, a guide groove extending along the first direction is formed in the bottom plate, and the stroke adjusting seat is slidably arranged in the guide groove.
In above-mentioned technical scheme, the guide way slip can be followed to the stroke control seat, can be convenient for adjust the distance between live center and the fixed centre to match the combination roller of different length, thereby improve the suitability of tool.
Furthermore, the stroke adjusting device also comprises a positioning bolt, and the positioning bolt is used for fixing the stroke adjusting seat.
In the technical scheme, the stroke adjusting seat can be fastened or loosened by rotating the positioning bolt so as to conveniently adjust the position of stroke adjustment.
Furthermore, the bottom plate is provided with a pneumatic switch, and the pneumatic switch is electrically connected with the driving piece.
In the technical scheme, the pneumatic switch is electrically connected with the driving part, the driving part can be controlled to be started and closed through the pneumatic switch, so that the action of the movable center is controlled, and the operation is simple and convenient.
Further, the fixed center is coaxial with the movable center.
In the technical scheme, the fixed center and the movable center are coaxial, so that the coaxiality of the combined roller during welding can be ensured, and the welding quality is improved.
Further, an end of the fixed center facing the movable assembly and an end of the movable center facing the fixed assembly are formed to be tapered.
In the technical scheme, the conical fixed center and the conical movable center can conveniently extend into the inner periphery of the combined roller, and meanwhile, the axial direction of the combined roller is favorably overlapped with the centers of the fixed center and the movable center, so that the welding coaxiality is ensured.
Furthermore, the surfaces of the fixed center and the movable center are provided with flexible material layers.
In the technical scheme, the flexible material layers are arranged on the surfaces of the fixed center and the movable center, so that the combined roller can be prevented from being scratched in the positioning process, and the quality of the combined roller is ensured.
Compared with the prior art, the beneficial effects of the utility model are that: fixed center and live center set up relatively, through the one end butt of fixed center with the combination roller, order about live center again and remove along first direction for the other end butt of live center and combination roller, thereby will make up the roller location on a straight line, the location is stable, can avoid the combination roller to take place the beat when the welding, and can guarantee the axiality of combination roller when the welding, effectively improves the welding quality of combination roller, and it is extravagant to reduce the material.
Drawings
Fig. 1 is a schematic structural view of a positioning fixture according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the positioning jig according to the embodiment of the present invention in a position of the combination roller.
Fig. 3 is a schematic cross-sectional view of fig. 2.
Fig. 4 is a partially enlarged schematic view of the movable assembly of fig. 3.
The reference numbers illustrate:
the device comprises a bottom plate 1, a guide groove 11, a pneumatic switch 12, a fixed assembly 2, a fixed center 21, a fixed seat 22, a movable assembly 3, a movable center 31, a boss 311, a stroke adjusting seat 32, a driving piece 33, an elastic piece 34, a positioning bolt 35, a combined roller 4 and a first direction C1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1 to 4, in a preferred embodiment, the positioning fixture of the present invention mainly includes a bottom plate 1, a fixed component 2, and a movable component 3. Wherein, fixed subassembly 2 is fixed to be set up on bottom plate 1, and bottom plate 1 is located to the movable subassembly 3 is movably, and fixed subassembly 2 sets up with movable subassembly 3 along first direction C1 relatively.
Specifically, the fixed component 2 includes a fixed tip 21, and the fixed tip 21 is installed on a fixed seat 22 and faces the movable component 3. The movable assembly 3 comprises a movable center 31, the movable center 31 is arranged opposite to the fixed center 21, the movable center 31 is configured to be movable along the first direction C1, and the fixed center 21 and the movable center 31 are respectively used for abutting against two ends of the combined roller 4 to position the combined roller 4.
When the combination roller 4 is positioned, the fixed center 21 is abutted against one end of the combination roller 4, the movable center 31 is driven to move along the first direction C1, the movable center 31 is abutted against the other end of the combination roller 4, the combination roller 4 is positioned on the same straight line, the whole positioning is stable, the combination roller 4 can be prevented from deviating during welding, the coaxiality of the combination roller 4 during welding can be ensured, the welding quality of the combination roller 4 is effectively improved, and the material waste is reduced.
The movable assembly 3 includes a stroke adjusting seat 32 and a driving member 33, the driving member 33 is mounted on the stroke adjusting seat 32, and the driving member 33 may be an existing linear driving device, such as an air cylinder. The output end of the driving part 33 is connected to the movable center 31, the movable center 31 can be driven to move along the first direction C1 through the driving part 33, the movable center 31 is abutted to one end of the combined roller 4, certain pressure can be kept on the end of the combined roller 4 in the welding process, and therefore the accuracy and the stability of the positioning of the combined roller 4 are guaranteed.
The stroke adjusting seat 32 is provided with a through hole, and the live center 31 penetrates through the through hole. It should be noted that the diameter of the through hole matches with the outer diameter of the live center 31, and the axial direction of the through hole is parallel to the first direction C1, so that the live center 31 can be positioned through the through hole, the live center 31 is guaranteed to move at a preset height, the live center 31 can be guided to move, the live center 31 is guaranteed to move along the first direction C1, and the live center 31 is prevented from deviating in the moving process.
The movable centre 31 is far away from the end of the fixed component 2 to form a boss 311, and an elastic part 34 is arranged between the boss 311 and the stroke adjusting seat 32. Specifically, elastic component 34 can be the spring for example, the through-hole stroke of stroke adjustment seat 32 is the shoulder hole, the both ends of elastic component 34 respectively with stroke adjustment seat 32 and boss 311 butt, thereby when live center 31 stretch out and with combination roller 4 butt, elastic component 34 can form the elasticity that lasts, after the welding is accomplished, driving piece 33's power is closed, live center 31 can be under the effect of this elasticity automatic keep away from combination roller 4, be convenient for take out of combination roller 4, make the operation convenient and fast more.
The bottom plate 1 is provided with a guide groove 11, the guide groove 11 extends along a first direction C1, and the stroke adjusting seat 32 is slidably disposed in the guide groove 11. The stroke adjusting seat 32 can slide along the guide groove 11, so that the distance between the movable center 31 and the fixed center 21 can be conveniently adjusted to match with the combined rollers 4 with different lengths, and the applicability of the jig is improved.
In the present embodiment, the movable assembly 3 further includes a positioning bolt 35, and the positioning bolt 35 is used for fixing the stroke adjustment seat 32. Specifically, the positioning bolt 35 sequentially penetrates through the stroke adjusting seat 32 and the bottom plate 1, and is in threaded connection with a nut not shown in the figure, and the positioning bolt 35 is rotated to fasten or loosen the connection between the stroke adjusting seat 32 and the bottom plate 1, so that the position of stroke adjustment can be conveniently adjusted.
The bottom plate 1 is provided with the pneumatic switch 12, the pneumatic switch 12 is electrically connected with the driving part 33, the driving part 33 can be controlled to be started and closed through the pneumatic switch 12, the action of the live center 31 is further controlled, and the operation is simple and convenient.
As a preferred embodiment, the fixed point 21 is coaxial with the live point 31. The fixed center 21 and the movable center 31 are coaxial, so that the coaxiality of the combined roller 4 during welding can be ensured, and the welding quality is improved.
In the present embodiment, the end of the fixed center 21 facing the movable member 3 and the end of the movable center 31 facing the fixed member 2 are formed in a tapered shape. The conical fixed center 21 and the conical movable center 31 can conveniently extend into the inner periphery of the combined roller 4, and meanwhile, the axial direction of the combined roller 4 is favorably overlapped with the centers of the fixed center 21 and the movable center 31, so that the welding coaxiality is ensured.
The surfaces of the fixed center 21 and the movable center 31 are provided with flexible material layers, and the flexible material layers can be made of conventional materials, such as flexible rubber or silicon rubber. By arranging the flexible material layers on the surfaces of the fixed center 21 and the movable center 31, the combined roller 4 can be prevented from being scratched in the positioning process, so that the quality of the combined roller 4 is ensured.
In order to facilitate understanding of the above-mentioned positioning jig for the combination roller 4, the following description is made on the working principle thereof: one end of the assembled combination roller 4 is abutted to the fixed center 21, the other end of the combination roller 4 is opposite to the tip end of the movable center 31, the pneumatic switch 12 is turned on, the driving piece 33 drives the movable center 31 to move along the first direction C1 and enables the movable center to be abutted to the other end of the combination roller 4, therefore, the combination roller 4 is located through the matching of the fixed center 21 and the movable center 31, the combination roller 4 is located in a straight line, the coaxiality of the combination roller 4 is guaranteed, the welding stability is guaranteed, the deflection is avoided, at the moment, the combination roller 4 is rotated, the roller surface is welded, after the welding is completed, the pneumatic switch 12 is turned off, the output end of the driving piece 33 returns to the original point, the movable center 31 automatically returns to the original point under the action of the elastic force of the elastic piece 34, the limitation on the combination roller 4 is removed, and finally the combination roller 4 is taken down, and the welding can be completed.
In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and broad scope of the appended claims.
Claims (10)
1. A positioning jig is characterized by comprising:
a base plate;
the fixing assembly is arranged on the bottom plate and comprises a fixing tip; and
the movable assembly is arranged opposite to the fixed assembly along a first direction and comprises a movable center, and the movable center is opposite to the fixed center and is configured to move along the first direction;
the fixed center and the movable center are respectively used for abutting against two ends of the roller part so as to position the roller part.
2. The positioning jig according to claim 1, wherein the movable assembly comprises a stroke adjusting seat and a driving member, the driving member is disposed on the stroke adjusting seat, and an output end of the driving member is connected to the movable center so as to drive the movable center to move along a first direction.
3. The positioning jig according to claim 2, wherein a through hole is formed in the stroke adjusting seat, and the live center is inserted into the through hole.
4. The positioning jig according to claim 3, characterized in that a boss is formed at one end of the live center, which is far away from the fixed component, and an elastic part is arranged between the boss and the stroke adjusting seat.
5. The positioning jig according to claim 2, wherein the bottom plate is provided with a guide groove extending in the first direction, and the stroke adjusting seat is slidably provided in the guide groove.
6. The positioning jig according to claim 5, further comprising a positioning bolt, wherein the positioning bolt is used for fixing the stroke adjusting seat.
7. The positioning fixture according to claim 2, wherein the bottom plate is provided with a pneumatic switch, and the pneumatic switch is electrically connected to the driving member.
8. The positioning jig of claim 1, wherein the fixed apex is coaxial with the live apex.
9. The positioning jig of claim 1, wherein an end of the fixed point facing the movable assembly and an end of the movable point facing the fixed assembly are formed in a tapered shape.
10. The positioning jig according to claim 1, characterized in that the surfaces of the fixed center and the movable center are provided with a flexible material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592337.9U CN218503771U (en) | 2022-09-29 | 2022-09-29 | Positioning jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592337.9U CN218503771U (en) | 2022-09-29 | 2022-09-29 | Positioning jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218503771U true CN218503771U (en) | 2023-02-21 |
Family
ID=85213763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222592337.9U Active CN218503771U (en) | 2022-09-29 | 2022-09-29 | Positioning jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218503771U (en) |
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2022
- 2022-09-29 CN CN202222592337.9U patent/CN218503771U/en active Active
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| GR01 | Patent grant |