CN220839106U - Novel interior screw location clamp device - Google Patents
Novel interior screw location clamp device Download PDFInfo
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- CN220839106U CN220839106U CN202322449627.2U CN202322449627U CN220839106U CN 220839106 U CN220839106 U CN 220839106U CN 202322449627 U CN202322449627 U CN 202322449627U CN 220839106 U CN220839106 U CN 220839106U
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- 238000001125 extrusion Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000001739 rebound effect Effects 0.000 description 3
- 241001272720 Medialuna californiensis Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a novel internal screw hole positioning and clamping device which comprises a rotary disc and a sleeve, wherein the upper surface of the rotary disc is fixedly provided with a clamping device, the clamping device comprises a power part, an expansion part and a recovery part, the lower surface of the rotary disc is provided with a rotating part, and one side of the rotary disc is fixedly provided with a limiting part. The clamping device is simple in structure, convenient to operate, economical and practical, and because the clamping device is in contact with the inner arc surface of the thin-wall part, the contact surface area is large, the stress distribution of the clamping end of the workpiece can be improved, the stress deformation of the thin-wall cylindrical part and the damage of the surface quality of the part are avoided, the positioning precision and the positioning quality are ensured, and the whole set of device is operated by the air cylinder, so that the clamping efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of positioning and clamping devices, in particular to a novel inner screw hole positioning and clamping device.
Background
In the mechanical manufacturing industry, various thin-wall rotary parts are frequently encountered, and other surfaces to be machined need to be positioned and machined by taking the machined inner hole as a reference. The existing technology uses three-jaw positioning clamping when clamping workpieces, and when the batch of workpieces is large, the original three-jaw positioning clamping time is long and the production efficiency is low; meanwhile, the three-jaw positioning and clamping process is easy to wear, the self-centering precision is low, and the three-jaw positioning and clamping process is easy to wear after repeated use and replacement, so that the coaxiality of the machined inner hole cannot meet the requirement of a drawing; in the clamping process, the three-jaw opening force is not easy to control, and the workpiece clamp is not tight or deforms easily. In order to improve the processing efficiency, reduce the clamping times and some parts do not allow to press the end face, so the inner hole is required to be tensioned, and a novel inner screw hole positioning and clamping device is designed and manufactured.
Therefore, a novel internal screw hole positioning and clamping device is provided.
Disclosure of utility model
The utility model aims at: the three-jaw positioning and clamping device is easy to wear in the existing three-jaw positioning and clamping process, is low in self-centering precision, is easy to wear after being repeatedly used and replaced, and can cause that the coaxiality of the machined inner hole cannot meet the requirement of a drawing; in the clamping process, the three-jaw opening force is not easy to control, and the problem that the workpiece clamp is not tight or deforms easily is solved.
In order to achieve the above object, the present utility model provides the following technical solutions:
a novel positioning and clamping device for an inner screw hole is used for solving the problems.
The application is specifically as follows:
The rotary disc comprises a rotary disc and a sleeve, wherein a clamping device is fixedly arranged on the upper surface of the rotary disc, the clamping device comprises a power part, an expansion part and a recovery part, a rotating part is arranged on the lower surface of the rotary disc, and a limiting part is fixedly arranged on one side of the rotary disc.
The utility model has simple structure, convenient operation, economy and practicability, and can improve the stress distribution of the clamping end of the workpiece, prevent the stress deformation of the thin-wall cylinder part and the damage of the surface quality of the part, ensure the positioning precision and quality, and ensure the whole set of device to operate by using the cylinder because the tensioning device is contacted with the inner arc surface of the thin-wall part and the contact surface area is larger.
As a preferred embodiment of the novel internal screw hole positioning and clamping device provided by the utility model, the power piece comprises an air cylinder, and the top of the air cylinder is connected with a sliding block through a piston rod.
As a preferred implementation mode of the novel internal screw hole positioning and clamping device provided by the utility model, the expansion piece comprises an extrusion block, one end of the extrusion block is fixedly connected with a cushion block, and one end of the cushion block is fixedly connected with a wedge sliding block.
As a preferred implementation mode of the novel inner screw hole positioning and clamping device provided by the utility model, the restoring piece comprises a dust cover, a second spring is fixedly connected to the inner wall side of the dust cover, and one end of the second spring is connected with the sliding block.
As a preferred implementation mode of the novel internal screw hole positioning and clamping device provided by the utility model, the rotating piece comprises a motor, the output end of the motor is fixedly connected with the lower surface of the rotating disc, and the motor is fixedly arranged on the surface of the connecting plate.
As a preferred implementation mode of the novel internal screw hole positioning and clamping device provided by the utility model, the limiting piece comprises a connecting plate, the top of the connecting plate is fixedly connected with a fixed block, the inside of the fixed block is fixedly connected with a first spring, one end of the first spring is fixedly connected with a limiting rod, and one end of the limiting rod is fixedly connected with a limiting block.
As a preferred implementation mode of the novel inner screw hole positioning and clamping device provided by the utility model, the surface circumference array of the rotating disc is provided with the limiting groove, the limiting groove is a half-moon-shaped notch, and the limiting block is a half-moon-shaped block, and the limiting groove and the half-moon-shaped block are matched.
As a preferred implementation mode of the novel internal screw hole positioning and clamping device provided by the utility model, the surface circumference array at the bottom of the rotating disk is provided with connecting grooves, and the piston rod penetrates through the connecting plate and passes through the connecting grooves to be connected with the sliding block.
As a preferred implementation mode of the novel internal screw hole positioning and clamping device provided by the utility model, the surface of the sliding block is provided with a notch matched with the cushion block and the inclined wedge sliding block, the cushion block and the sliding block are arranged in a sliding way.
Compared with the prior art, the utility model has the beneficial effects that:
In the scheme of the application:
The utility model has simple structure, convenient operation, economy and practicability, and can improve the stress distribution of the clamping end of the workpiece, prevent the stress deformation of the thin-wall cylinder part and the damage of the surface quality of the part, ensure the positioning precision and quality, and ensure the whole set of device to operate by using the cylinder because the tensioning device is contacted with the inner arc surface of the thin-wall part and the contact surface area is larger.
Drawings
FIG. 1 is a schematic structural view of a novel female screw hole positioning and clamping device provided by the application;
FIG. 2 is a schematic view showing the bottom view of the novel female screw hole positioning and clamping device;
FIG. 3 is a schematic view of the structure of the inside of a sleeve of the novel female screw positioning and clamping device provided by the application;
Fig. 4 is a schematic structural view of the inside of a fixing block of the novel inner screw hole positioning and clamping device provided by the application.
The figures indicate:
1. A rotating disc; 11. a limiting groove; 12. a connecting groove; 2. a cylinder; 3. a motor; 4. a connecting plate; 41. a fixed block; 42. a restraining bar; 43. a limiting block; 44. a first spring; 5. a sleeve; 51. extruding a block; 52. a cushion block; 53. wedge slide block; 54. a slide block; 6. a dust cover; 61. and a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
As described in the background art, the three-jaw positioning and clamping process is easy to wear, the self-centering precision is not high, and the three-jaw positioning and clamping process is easy to wear after repeated use and replacement, so that the coaxiality of the machined inner hole cannot meet the requirement of a drawing; in the clamping process, the three-jaw opening force is not easy to control, and the problem that the workpiece clamp is not tight or deforms easily is solved.
In order to solve the technical problem, the utility model provides a novel inner screw hole positioning and clamping device.
Specifically, please refer to fig. 1-4, a novel internal screw hole positioning and clamping device specifically comprises a rotary disk 1 and a sleeve 5, wherein the upper surface of the rotary disk 1 is fixedly provided with a clamping device, the clamping device comprises a power piece, an expansion piece and a recovery piece, the lower surface of the rotary disk 1 is provided with a rotating piece, and one side of the rotary disk 1 is fixedly provided with a limiting piece.
The utility model has simple structure, convenient operation, economy and practicability, and can improve the stress distribution of the clamping end of the workpiece, prevent the stress deformation of the thin-wall cylinder part and the damage of the surface quality of the part, ensure the positioning precision and quality, and ensure the whole set of device to operate by using the cylinder because the tensioning device is contacted with the inner arc surface of the thin-wall part and the contact surface area is larger.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1-4, a novel internal screw hole positioning and clamping device comprises a rotary disk 1 and a sleeve 5, wherein a clamping device is fixedly arranged on the upper surface of the rotary disk 1 and comprises a power piece, an expansion piece and a restoration piece, a rotary piece is arranged on the lower surface of the rotary disk 1, and a limiting piece is fixedly arranged on one side of the rotary disk 1. The power piece comprises a cylinder 2, and the top of the cylinder 2 is connected with a sliding block 54 through a piston rod. The expansion piece comprises an extrusion block 51, one end of the extrusion block 51 is fixedly connected with a cushion block 52, and one end of the cushion block 52 is fixedly connected with a wedge sliding block 53. The restoring piece comprises a dust cover 6, a second spring 61 is fixedly connected to the inner wall side of the dust cover 6, and one end of the second spring 61 is connected with the sliding block 54. The rotating piece comprises a motor 3, the output end of the motor 3 is fixedly connected with the lower surface of the rotating disk 1, and the motor 3 is fixedly arranged on the surface of the connecting plate 4. The surface circumference array at the bottom of the rotary disk 1 is provided with connecting grooves 12, and a piston rod penetrates through the connecting plate 4 and passes through the connecting grooves 12 to be connected with the sliding blocks 54. The surface of the sliding block 54 is provided with notches matched with the cushion block 52 and the wedge sliding block 53, the cushion block 52 and the sliding block 54 are arranged in a sliding way.
In the implementation process, the cylinder 2 is started, a piston rod at the top of the cylinder 2 pushes the sliding block 54 to transversely move in the sleeve 5, the sliding block 54 transversely moves, the wedge sliding block 53 and the cushion block 52 are extruded in a wedge groove formed in the sliding block 54 so as to radially move in a notch formed in the sleeve 5, the cushion block 52 and the extrusion block 51 are driven to radially move, the top surface of the extrusion block 51 is in contact with a part to be machined to achieve the tensioning effect, the purpose of clamping is achieved, after machining is completed, the piston rod is retracted, the sliding block 54 returns to the original position under the rebound effect of the second spring 61, the expanding element also returns to the original position along with the sliding block 54, the motor 3 is started to drive the rotating disc 1 to rotate, the next part to be machined is located at the machining position, and the cylinder 2 is started to clamp the part to be machined.
The clamping and loosening of the part to be processed are realized through the air cylinder 2, so that the efficiency is improved, the contact surface is increased, and the damage to the part to be processed is reduced.
Example 2
The rotating piece comprises a motor 3, the output end of the motor 3 is fixedly connected with the lower surface of the rotating disk 1, and the motor 3 is fixedly arranged on the surface of the connecting plate 4. The limiting piece comprises a connecting plate 4, a fixed block 41 is fixedly connected to the top of the connecting plate 4, a first spring 44 is fixedly connected to the inside of the fixed block 41, a limiting rod 42 is fixedly connected to one end of the first spring 44, and a limiting block 43 is fixedly connected to one end of the limiting rod 42. The surface circumference array of rotary disk 1 has seted up restriction groove 11, and restriction groove 11 is half-moon notch, and restriction piece 43 is half-moon piece, and both phase-match settings.
In the implementation process, after the machining is finished, the motor 3 is started to drive the rotary disk 1 to rotate, the limiting block 43 is extruded to slide out of the limiting groove 11 due to the rotation of the rotary disk 1, the limiting block 43 is extruded to enable the limiting rod 42 to transversely move in the fixed block 41 to extrude the first spring 44, the motor 3 stops rotating after rotating by 90 degrees, and the limiting block 43 is clamped into the limiting groove 11 again to play a fixing role under the resilience force of the first spring 44, so that the machining is facilitated.
The effect of the present invention is to restrict and fix the rotary table 1 and prevent the rotary table from moving during machining.
When the clamping cylinder is used, the cylinder 2 is started, the piston rod at the top of the cylinder 2 pushes the sliding block 54 to transversely move in the sleeve 5, the sliding block 54 transversely moves, the sliding wedge sliding block 53 and the cushion block 52 are extruded in the sliding wedge groove formed in the sliding block 54, radial movement is performed in the notch formed in the sleeve 5, the cushion block 52 and the extrusion block 51 are driven to radially move, the top surface of the extrusion block 51 is in contact with a part to be machined to achieve the tensioning effect, the purpose of clamping is achieved, after machining is completed, the piston rod is retracted, the sliding block 54 returns to the original position under the rebound effect of the spring II 61, the expansion piece also returns to the original position along with the sliding block 54, after machining is completed, the motor 3 is started to drive the rotating disc 1 to rotate, the next part to be machined is located at the machining position, the rotating disc 1 enables the limiting block 43 to be extruded to slide out of the limiting groove 11, the limiting block 43 is extruded, the limiting rod 42 is enabled to transversely move in the fixing block 41, the first limiting block 44 stops rotating after the motor 3 rotates by 90 degrees, the limiting block 43 is clamped into the limiting groove 11 again under the rebound effect of the spring I44, and the clamping cylinder 2 is started to conveniently clamp the cylinder.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.
Claims (9)
1. The utility model provides a novel interior screw location clamping device, includes rotary disk (1), sleeve (5), its characterized in that, the last fixed surface of rotary disk (1) installs clamping device, clamping device is including power spare, expansion piece and restoring piece, the lower surface of rotary disk (1) is equipped with rotates the piece, one side fixed mounting finite element of rotary disk (1).
2. The novel internal screw hole positioning and clamping device according to claim 1, wherein the power piece comprises a cylinder (2), and the top of the cylinder (2) is connected with a sliding block (54) through a piston rod.
3. The novel inner screw hole positioning and clamping device according to claim 2, wherein the expansion piece comprises an extrusion block (51), one end of the extrusion block (51) is fixedly connected with a cushion block (52), and one end of the cushion block (52) is fixedly connected with a wedge sliding block (53).
4. The novel inner screw hole positioning and clamping device according to claim 3, wherein the restoring piece comprises a dust cover (6), a second spring (61) is fixedly connected to the inner wall side of the dust cover (6), and one end of the second spring (61) is connected with the sliding block (54).
5. The novel inner screw hole positioning and clamping device according to claim 4, wherein the rotating piece comprises a motor (3), the output end of the motor (3) is fixedly connected with the lower surface of the rotating disc (1), and the motor (3) is fixedly arranged on the surface of the connecting plate (4).
6. The novel inner screw hole positioning and clamping device according to claim 5, wherein the limiting piece comprises a connecting plate (4), a fixed block (41) is fixedly connected to the top of the connecting plate (4), a first spring (44) is fixedly connected to the inside of the fixed block (41), a limiting rod (42) is fixedly connected to one end of the first spring (44), and a limiting block (43) is fixedly connected to one end of the limiting rod (42).
7. The novel inner screw hole positioning and clamping device according to claim 6, wherein limiting grooves (11) are formed in the surface circumference array of the rotating disc (1), the limiting grooves (11) are half-moon-shaped notches, and the limiting blocks (43) are half-moon-shaped blocks and are matched with each other.
8. The novel inner screw hole positioning and clamping device according to claim 7, wherein the surface circumference array at the bottom of the rotating disc (1) is provided with connecting grooves (12), and the piston rod penetrates through the connecting plate (4) and penetrates through the connecting grooves (12) to be connected with the sliding block (54).
9. The novel internal screw hole positioning and clamping device according to claim 8, wherein the surface of the sliding block (54) is provided with notches matched with the cushion block (52) and the wedge sliding block (53), the cushion block (52) and the sliding block (54) are arranged in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322449627.2U CN220839106U (en) | 2023-09-11 | 2023-09-11 | Novel interior screw location clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322449627.2U CN220839106U (en) | 2023-09-11 | 2023-09-11 | Novel interior screw location clamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220839106U true CN220839106U (en) | 2024-04-26 |
Family
ID=90772867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322449627.2U Active CN220839106U (en) | 2023-09-11 | 2023-09-11 | Novel interior screw location clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220839106U (en) |
-
2023
- 2023-09-11 CN CN202322449627.2U patent/CN220839106U/en active Active
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