Fixture positioning device for casing inner hole turning procedure
By designing a fixture positioning device for the inner hole process of the receiver, the problem of easy damage and clamping force in the prior art is solved, and the stable positioning of the receiver parts is achieved. and high-precision machining.
Patent Information
- Application Number
- CN202421273386.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The existing clamping equipment is prone to damage when clamping the outer surface of the receiver, and the clamping force is difficult to grasp, which affects the processing quality of the receiver during the inner hole processing of the vehicle.
A fixture positioning device including a fixture disc group, a fixture positioning block group and a fixture connecting column group is designed. The outer surface of the receiver part is positioned circumferentially through a parallel fixture disc group, thereby increasing the stability of positioning and clamping.
It realizes stable positioning and clamping of receiver parts, improves machining accuracy, avoids receiver damage, and has a simple structure, convenient operation and high flexibility.
Smart Images
Figure CN222471610U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of casing processing fixtures, and in particular relates to a fixture positioning device used in a casing inner hole turning process. Background Art
[0002] With the rapid development of my country's aviation industry, the production and processing of engine casings, one of the key manufacturing technologies of advanced aircraft engines, has played an important role in improving the performance of engine materials and ultimately determines the performance and level of the engine to a certain extent.
[0003] During the production and processing of receiver parts, the interior of the receiver needs to be processed. Especially during the processing of larger receiver parts, the positioning of the receiver becomes particularly important. During the processing of the inner hole of the receiver, the outer surface of the receiver needs to be positioned and clamped to ensure the quality of the inner hole processing of the receiver. The existing clamping equipment is prone to damage the receiver during the process of directly clamping the outer surface of the receiver. Especially when clamping the receiver, the clamping force of the traditional clamp on the receiver is not easy to control, and excessive clamping force will cause damage to the receiver. If the clamping force is too small, unstable clamping will occur, which will affect the processing quality when the subsequent receiver is processed in the inner hole.
[0004] Especially in the processing of high-precision receiver parts, it is necessary to position the receiver in the circumferential direction so as to complete the stable clamping of the receiver. However, the existing clamping and positioning device can only clamp and position the outer axis direction of the receiver. At the same time, the existing positioning equipment has unstable positioning and poor clamping and positioning accuracy. Utility Model Content
[0005] The utility model aims to solve the above problems and provide a fixture positioning device which has a simple structure, is easy to operate and can realize the circumferential clamping and positioning of the outer surface of a rotating body part for use in the casing inner hole turning process.
[0006] To solve the above technical problems, the technical solution of the utility model is: a fixture positioning device for a casing inner hole turning process, comprising a fixture disc group, a fixture positioning block group and a fixture connecting column group, the fixture disc group comprises a fixture first disc, a fixture second disc and a fixture third disc arranged in parallel with each other, the fixture positioning block group comprises a fixture first positioning block, a fixture second positioning block and a fixture third positioning block, the fixture connecting column group comprises a fixture first connecting column and a fixture second connecting column; the fixture first connecting column is located between the fixture first disc and the fixture second disc, and the fixture second connecting column is located between the fixture second disc and the fixture third disc; the fixture first positioning block is installed on the fixture first disc, the fixture second positioning block is installed on the fixture second disc, and the fixture third positioning block is installed on the fixture third disc; the parts to be processed are located in the fixture disc group and are positioned and clamped by the fixture positioning block group.
[0007] Preferably, the first plate of the clamp is a circular ring structure, and a first plate groove is provided on the end face of the first plate of the clamp, and the bottom of the part to be processed is located in the first plate groove of the clamp; the first plate of the clamp is provided with a first hole of the first plate of the clamp, a second hole of the first plate of the clamp, a third hole of the first plate of the clamp, a fourth hole of the first plate of the clamp and a fifth hole of the first plate of the clamp; the first hole of the first plate and the second hole of the first plate of the clamp are both threaded through hole structures, the third hole of the first plate of the clamp is a countersunk hole, and the fourth hole of the first plate of the clamp and the fifth hole of the first plate of the clamp have the same structure, both of which are threaded blind hole structures; the first hole of the first plate of the clamp, the second hole of the first plate of the clamp, the third hole of the first plate of the clamp, the fourth hole of the first plate of the clamp and the fifth hole of the first plate of the clamp are all distributed in a circular array.
[0008] Preferably, the second plate of the clamp includes a first block of the second plate of the clamp and a second block of the second plate of the clamp, the first block of the second plate of the clamp is a rectangular block structure, the two ends of the first block of the second plate of the clamp are arc structures, the lower layers of the two ends of the first block of the second plate of the clamp form a first block groove of the second plate of the clamp, the first block groove of the second plate of the clamp is provided with a first block groove through hole of the second plate of the clamp, the first block of the second plate of the clamp is provided with a first block connecting hole of the second plate of the clamp, the first block of the second plate of the clamp is a threaded hole structure, the first block of the second plate of the clamp and the second block of the second plate of the clamp have the same structure but opposite positions.
[0009] Preferably, the third plate of the clamp is a circular ring structure, and is provided with a first hole of the third plate of the clamp and a second hole of the third plate of the clamp. The first hole of the third plate of the clamp is a through hole structure, and the second hole of the third plate of the clamp is a threaded hole structure.
[0010] Preferably, the first positioning block is a rectangular structure, the end cross-section of the first positioning block is a trapezoidal shape, the first positioning block is provided with a first positioning block first hole and a first positioning block second hole, the first positioning block first hole and the first positioning block second hole are both through hole structures, and the first positioning block second hole is a waist-shaped hole structure; the first positioning block, the second positioning block of the fixture and the third positioning block of the fixture have the same structure.
[0011] Preferably, the first connecting column of the clamp is a cylindrical structure, the end cross-section of the first connecting column of the clamp is a regular hexagonal structure, and is concave to form the first hole of the first connecting column of the clamp, the first hole of the first connecting column of the clamp is an internal threaded hole structure, the other end of the first connecting column of the clamp protrudes outward to form a connecting rod of the first connecting column of the clamp, the connecting rod of the first connecting column of the clamp is a threaded rod structure, and the first connecting column of the clamp and the second connecting column of the clamp have the same structure.
[0012] The beneficial effects of the utility model are:
[0013] 1. The utility model provides a fixture positioning device for the inner hole turning process of the casing, which can realize circumferential positioning of the outer surface of the casing parts through the parallel arrangement of the first fixture plate, the second fixture plate and the third fixture plate, thereby increasing the stability of the positioning and clamping of the casing parts.
[0014] 2. The utility model installs different numbers and positions of first positioning blocks, second positioning blocks and third positioning blocks of the clamp on the first plate, second plate and third plate of the clamp to complete the clamping and positioning of the outer surface of the receiver part, and realizes the positioning of the bottom end of the part through the groove of the first plate of the clamp, thereby increasing the clamping stability of the entire receiver part, thereby ensuring the processing accuracy of the subsequent inner hole turning process.
[0015] 3. The utility model has a simple structure and is easy to operate. The position and quantity of the corresponding positioning blocks can be increased according to actual use requirements, thereby greatly increasing the flexibility of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of a fixture positioning device used in the process of turning inner holes of a casing according to the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the utility model after the parts to be processed are installed;
[0018] Figure 3 It is a structural schematic diagram of the first plate of the clamp of the utility model;
[0019] Figure 4 It is a structural schematic diagram of the second plate of the clamp of the utility model;
[0020] Figure 5It is a schematic diagram of the connection structure of the first block of the second plate of the clamp and the second block of the second plate of the clamp of the utility model;
[0021] Figure 6 It is a structural schematic diagram of the first block of the second plate of the clamp of the utility model;
[0022] Figure 7 It is a structural schematic diagram of the third plate of the clamp of the utility model;
[0023] Figure 8 It is a structural schematic diagram of the first positioning block of the clamp of the utility model;
[0024] Fig. 9 It is a structural schematic diagram of the first connecting column of the clamp of the utility model.
[0025] Explanation of the reference numerals: 1. fixture plate group; 2. fixture positioning block group; 3. fixture connecting column group; 11. fixture first plate; 12. fixture second plate; 13. fixture third plate; 21. fixture first positioning block; 22. fixture second positioning block; 23. fixture third positioning block; 31. fixture first connecting column; 32. fixture second connecting column; 110. fixture first plate groove; 111. fixture first plate first hole; 112. fixture first plate second hole; 113. fixture first plate third hole; 114. fixture first plate third hole Four holes; 115, the fifth hole of the first plate of the clamp; 121, the first block of the second plate of the clamp; 122, the second block of the second plate of the clamp; 131, the first hole of the third plate of the clamp; 132, the second hole of the third plate of the clamp; 211, the first hole of the first positioning block; 212, the second hole of the first positioning block; 311, the first hole of the first connecting column of the clamp; 312, the connecting rod of the first connecting column of the clamp; 1211, the groove of the first block of the second plate of the clamp; 1212, the through hole of the groove of the first block of the second plate of the clamp; 1213, the connecting hole of the first block of the second plate of the clamp. DETAILED DESCRIPTION
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0027] like Figures 1 to 9As shown, the utility model provides a fixture positioning device for the inner hole turning process of the casing, comprising a fixture disc group 1, a fixture positioning block group 2 and a fixture connecting column group 3, wherein the fixture disc group 1 comprises a first fixture disc 11, a second fixture disc 12 and a third fixture disc 13 arranged in parallel with each other. The fixture positioning block group 2 comprises a first fixture positioning block 21, a second fixture positioning block 22 and a third fixture positioning block 23, and the fixture connecting column group 3 comprises a first fixture connecting column 31 and a second fixture connecting column 32; the first fixture connecting column 31 is located between the first fixture disc 11 and the second fixture disc 12, and the second fixture connecting column 32 is located between the second fixture disc 12 and the third fixture disc 13. The first fixture positioning block 21 is installed on the first fixture disc 11, the second fixture positioning block 22 is installed on the second fixture disc 12, and the third fixture positioning block 23 is installed on the third fixture disc 13. The casing part to be processed is located in the fixture plate group 1 and is positioned and clamped by the fixture positioning block group 2. In order to complete the turning process of the inner hole of the casing part by the existing lathe equipment.
[0028] like Figure 3 As shown, the first plate 11 of the clamp is a circular ring structure, and a first plate groove 110 is provided on the end surface of the first plate 11 of the clamp, and the bottom of the part to be processed is located in the first plate groove 110 of the clamp. The first plate 11 of the clamp is provided with a first hole 111 of the first plate, a second hole 112 of the first plate of the clamp, a third hole 113 of the first plate of the clamp, a fourth hole 114 of the first plate of the clamp, and a fifth hole 115 of the first plate of the clamp. The first hole 111 of the first plate and the second hole 112 of the first plate of the clamp are both threaded through hole structures, the third hole 113 of the first plate of the clamp is a countersunk hole, and the fourth hole 114 of the first plate of the clamp and the fifth hole 115 of the first plate of the clamp have the same structure, and are both threaded blind hole structures. The first hole 111 of the first plate of the clamp, the second hole 112 of the first plate of the clamp, the third hole 113 of the first plate of the clamp, the fourth hole 114 of the first plate of the clamp, and the fifth hole 115 of the first plate of the clamp are all distributed in a circular array.
[0029] The bolt passes through the first positioning block 21 of the clamp and is connected to the fourth hole 114 of the first plate of the clamp, thereby fixing the first positioning block 21 of the clamp on the first plate 11 of the clamp.
[0030] A plurality of bolts are respectively passed through the second hole 112 of the first plate of the clamp and the third hole 113 of the first plate of the clamp to be fixedly connected to the existing equipment, which includes the existing machine tool equipment, etc., so as to fix the entire equipment of the utility model. Thus, during the process of machining the inner hole of the part, the entire equipment remains stable and does not shake.
[0031] The bottom of the first connecting post 31 of the clamp is threadedly connected to the first hole 111 of the first plate, so that the first connecting post 31 of the clamp is fixedly connected to the first plate 11 of the clamp.
[0032] like Figures 4 to 6 As shown, the second plate 12 of the clamp comprises a first block 121 of the second plate and a second block 122 of the second plate. The first block 121 of the second plate is a rectangular block structure. Both ends of the first block 121 of the second plate are arc structures. The lower layers of both ends of the first block 121 of the second plate form a first block groove 1211 of the second plate. The first block groove 1211 of the second plate is provided with a first block groove through hole 1212 of the second plate. The first block 121 of the second plate is provided with a first block connection hole 1213 of the second plate. The first block 121 of the second plate is a threaded hole structure. The first block 121 of the second plate and the second block 122 of the second plate have the same structure but are in opposite positions.
[0033] In this embodiment, the clamp second plate 12 is an annular structure, which is composed of a plurality of clamp second plate first blocks 121 and clamp second plate second blocks 122 connected to each other. At the same time, the bottom of the clamp second connecting column 32 passes through the through holes at the ends of the clamp second plate second block 122 and the clamp second plate first block 121 in turn and is threadedly connected to the clamp first connecting column 31.
[0034] The first clamp connection pillar 31 and the second clamp connection pillar 32 are coaxial structures, and a plurality of the first clamp connection pillars 31 and the second clamp connection pillars 32 are distributed in a ring-shaped array structure.
[0035] In actual use, different numbers of the first positioning blocks 21 of the clamp are installed on the first connecting hole 1213 of the second plate of the clamp. The bolts pass through their waist-shaped holes and are threadedly connected to the first connecting hole 1213 of the second plate of the clamp, thereby fixing them on the first block 121 of the second plate of the clamp.
[0036] like Figure 7 As shown, the third plate 13 of the clamp is a circular ring structure, and is provided with a first hole 131 of the third plate and a second hole 132 of the third plate. The first hole 131 of the third plate is a through hole structure, and the second hole 132 of the third plate is a threaded hole structure.
[0037] The first hole 131 of the third plate of the clamp and the second connecting column 32 of the clamp are arranged in a coaxial structure. When in use, the bolt passes through the first hole 131 of the third plate of the clamp and is connected to the second connecting column 32 of the clamp, thereby forming a fixed connection between the third plate 13 of the clamp and the upper end of the second connecting column 32 of the clamp.
[0038] like Figure 8As shown, the first positioning block 21 is a rectangular structure, the end cross-section of the first positioning block 21 is a trapezoidal shape, and the first positioning block 21 is provided with a first positioning block first hole 211 and a first positioning block second hole 212. The first positioning block first hole 211 and the first positioning block second hole 212 are both through hole structures, and the first positioning block second hole 212 is a waist-shaped hole structure; the first positioning block 21, the clamp second positioning block 22 and the clamp third positioning block 23 have the same structure.
[0039] In this embodiment, the number of the first positioning blocks 21 is multiple and they are distributed in a circumferential array on the first plate 11, the second plate 12 and the third plate 13 of the clamp. The bolt passes through the second hole 212 of the first positioning block and matches with the threaded hole on the corresponding plate, thereby completing the clamping and positioning of the part.
[0040] like Fig. 9 As shown, the first connecting column 31 of the clamp is a cylindrical structure, the end cross-section of the first connecting column 31 of the clamp is a regular hexagonal structure, and is concave to form the first hole 311 of the clamp, the first hole 311 of the clamp is an internal threaded hole structure, the other end of the first connecting column 31 of the clamp protrudes outward to form the first connecting column connecting rod 312 of the clamp, the first connecting column connecting rod 312 of the clamp is a threaded rod structure, and the first connecting column 31 of the clamp and the second connecting column 32 of the clamp have the same structure.
[0041] In actual use, the hole of the first connecting column 31 of the clamp is connected to the threaded rod end of the second connecting column 32 of the clamp, thereby forming a rod-shaped structure.
[0042] During the use of the utility model, the part to be processed is a receiver part. The receiver part to be processed is installed inside the cylinder formed by the first plate 11, the second plate 12 and the third plate 13 of the clamp, and the bottom of the receiver part is inserted into the first plate groove 110 of the clamp. Then, multiple first positioning blocks 21 are installed so that the ends of the first positioning blocks 21 abut against the surface of the receiver part, thereby completing the positioning and clamping of the receiver part. Then, the existing lathe processing equipment is used to complete the lathe processing of the inner hole of the receiver part.
[0043] Those skilled in the art will appreciate that the embodiments described herein are intended to help readers understand the principles of the present invention, and should be understood that the protection scope of the present invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific variations and combinations based on the technical inspirations disclosed in the present invention without departing from the essence of the present invention, and these variations and combinations are still within the protection scope of the present invention.
Claims
1. A fixture positioning device for a casing inner hole turning process, characterized in that: The invention comprises a clamp plate group (1), a clamp positioning block group (2) and a clamp connecting column group (3), wherein the clamp plate group (1) comprises a first clamp plate (11), a second clamp plate (12) and a third clamp plate (13) arranged in parallel with each other, the clamp positioning block group (2) comprises a first clamp positioning block (21), a second clamp positioning block (22) and a third clamp positioning block (23), and the clamp connecting column group (3) comprises a first clamp connecting column (31) and a second clamp connecting column (32); the first clamp connecting column (3 1) is located between a first plate (11) of the clamp and a second plate (12) of the clamp, and a second connecting column (32) of the clamp is located between the second plate (12) of the clamp and a third plate (13) of the clamp; a first positioning block (21) of the clamp is installed on the first plate (11) of the clamp, a second positioning block (22) of the clamp is installed on the second plate (12) of the clamp, and a third positioning block (23) of the clamp is installed on the third plate (13) of the clamp; a casing part to be processed is located in the clamp plate group (1) and is positioned and clamped by the clamp positioning block group (2).
2. A fixture positioning device for casing inner hole turning process according to claim 1, characterized in that: The first plate (11) of the clamp is a circular ring structure. The end surface of the first plate (11) of the clamp is provided with a first plate groove (110). The bottom of the part to be processed is located in the first plate groove (110). The first plate (11) of the clamp is provided with a first hole (111), a second hole (112), a third hole (113), a fourth hole (114) and a fifth hole (115). 1) and the second hole (112) of the first plate of the clamp are both threaded through hole structures, the third hole (113) of the first plate of the clamp is a countersunk hole, the fourth hole (114) of the first plate of the clamp and the fifth hole (115) of the first plate of the clamp have the same structure, both are threaded blind hole structures; the first hole (111) of the first plate of the clamp, the second hole (112) of the first plate of the clamp, the third hole (113) of the first plate of the clamp, the fourth hole (114) of the first plate of the clamp and the fifth hole (115) of the first plate of the clamp are all distributed in a circular array.
3. The fixture positioning device for the casing inner hole turning process according to claim 1 is characterized in that: The second plate (12) of the clamp comprises a first block (121) of the second plate and a second block (122) of the second plate. The first block (121) of the second plate is a rectangular block structure. Both ends of the first block (121) of the second plate are arc structures. The lower layers of both ends of the first block (121) of the second plate form a first block groove (1211) of the second plate. A first block groove through hole (1212) of the second plate is provided in the first block groove (1211). The first block (121) of the second plate is provided with a first block connecting hole (1213). The first block (121) of the second plate is a threaded hole structure. The first block (121) of the second plate and the second block (122) of the second plate have the same structure but are in opposite positions.
4. The fixture positioning device for the casing inner hole turning process according to claim 1 is characterized in that: The third plate (13) of the clamp is a circular ring structure, and is provided with a first hole (131) of the third plate and a second hole (132) of the third plate. The first hole (131) of the third plate is a through hole structure, and the second hole (132) of the third plate is a threaded hole structure.
5. The fixture positioning device for the casing inner hole turning process according to claim 1 is characterized in that: The first positioning block (21) is a rectangular parallelepiped structure, the end section of the first positioning block (21) is a trapezoidal shape, the first positioning block (21) is provided with a first positioning block first hole (211) and a first positioning block second hole (212), the first positioning block first hole (211) and the first positioning block second hole (212) are both through-hole structures, and the first positioning block second hole (212) is a waist-shaped hole structure; the first positioning block (21), the fixture second positioning block (22) and the fixture third positioning block (23) have the same structure.
6. The fixture positioning device for casing inner hole turning process according to claim 1 is characterized in that: The first connecting column (31) of the clamp is a cylindrical structure. The end section of the first connecting column (31) of the clamp is a regular hexagonal structure and is concave to form a first hole (311) of the first connecting column of the clamp. The first hole (311) of the first connecting column of the clamp is an internal threaded hole structure. The other end of the first connecting column (31) of the clamp protrudes outward to form a connecting rod (312) of the first connecting column of the clamp. The connecting rod (312) of the first connecting column of the clamp is a threaded rod structure. The first connecting column (31) of the clamp and the second connecting column (32) of the clamp have the same structure.