Clamp for precise grinding of aviation standard part

By using the design of a short adjustable screw and track slide system in the grinding fixture, the problem of large space occupancy of the adjustment mechanism in the prior art is solved, and the high versatility and compact structure of the fixture are realized, which is suitable for processing standard parts of various sizes.

CN222843849UActive Publication Date: 2025-05-09GUIZHOU LONGFEI SPRING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421861293.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-09
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The adjustment mechanism of the existing grinding fixtures takes up a large space, especially when large-size standard parts are positioned, the adjustment mechanism will protrude from the outside of the fixture, occupying the operating space of the grinder.

Method used

A precision grinding fixture for aviation standard parts is designed, using a short adjustable screw structure and a track slide system. The joints and slides are adjustable, the spacing between the sliders and end seats is adjustable to meet standard parts of different sizes, and the screw structure does not take up too much extra space when adjusting.

Benefits of technology

The fixture can flexibly adapt to various standard parts from large to small sizes, improving the versatility and efficiency of fixtures. At the same time, due to its compact structure, it does not occupy unnecessary space, and is especially suitable for production lines or workbenches with limited space.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222843849U_ABST
    Figure CN222843849U_ABST
Patent Text Reader

Abstract

The clamp for precise grinding of the aviation standard part comprises a clamp base and an end base, and the end of the top face of the clamp base is fixedly connected with the end base. The utility model has the advantages that the positions of the joint and the sliding block are adjustable, when the distance between the sliding block and the end seat is adjusted to be larger, the clamping and positioning of a standard component with a larger size can be adapted, and when the distance between the sliding block and the end seat is adjusted to be smaller, the clamping and positioning of a standard component with a smaller size can be adapted; the clamp can flexibly adapt to various standard parts from large sizes to small sizes. Due to the design, the same set of clamp can be applied to workpieces of various specifications, and the universality and the use efficiency of the clamp are greatly improved; the device can adapt to clamping and positioning of standard parts of various sizes, and meanwhile the device is smaller in size and does not occupy redundant space. And the whole clamp is more compact in structure. The method is particularly important for a production line or a workbench with limited space, precious production space can be saved, and the space utilization rate is increased.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of grinding fixtures, in particular to a fixture for precision grinding of aviation standard parts. Background Art

[0002] A grinding fixture is a device used to clamp and fix the workpiece during the grinding process. Its design and use are crucial to ensuring the accuracy, quality and efficiency of the grinding process. Grinding fixtures are also used in the processing of aviation precision standard parts.

[0003] In order to improve the versatility of the grinding fixture, the grinding fixture is generally designed to be adjustable and adaptable to the processing of standard parts of various sizes. However, in the prior art, the adjustment mechanism of such a fixture occupies a large space, especially when positioning large-sized standard parts, the adjustment mechanism will protrude a lot from the outside of the fixture, greatly occupying the operating space of the grinder. Therefore, a fixture for precision grinding of aviation standard parts is proposed, which has a more compact structure and does not occupy additional production and operating space. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the utility model is to provide a fixture for precision grinding of aviation standard parts to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a fixture for precision grinding of aviation standard parts, including a fixture seat and an end seat, wherein the end of the top surface of the fixture seat is fixedly connected to the end seat, and one side of the end seat is fixedly connected to a fixing clamp;

[0007] A track is provided inside the clamp seat, a slider is movably connected inside the track, a joint is fixedly connected to the back of the slider, and a plurality of positioning holes are provided at the bottom of the clamp seat;

[0008] A positioning piece is inserted into the joint, and the joint and the slider are positioned at any positioning hole through the positioning piece;

[0009] The slider is threadedly connected with a screw rod, the front end of the screw rod is movably connected with a movable seat, the front side of the movable seat is fixedly connected with a movable clamp, and the clamping surfaces of the movable clamp and the fixed clamp are provided with a plurality of grooves;

[0010] The rear end of the screw rod is fixedly connected with a screw head, the outer surface of the screw head is sleeved with a fastener, the fastener seat is on the top surface of the clamp seat, and the movable seat is movably connected to the top surface of the clamp seat.

[0011] Preferably, any of the above schemes is that the material of the clamp seat is aluminum alloy, and the distance between the end seat and the movable seat is adjustable.

[0012] Adopting the above technical solution: This device is specially used for the precision grinding of aviation standard parts and is a new type of standard parts fixture.

[0013] The specific structure of clamping the standard part is a fixed clamp and a movable clamp, and the surfaces of the fixed clamp and the movable clamp have a plurality of grooves. When the two are close together, the standard part is clamped. The design of the grooves makes the friction between the fixed clamp and the movable clamp and the standard part large, and the clamping is stable.

[0014] Preferably, any of the above schemes has clamping surfaces of the fixed clamp and the movable clamp parallel to each other, and the joint is welded to the slider.

[0015] Adopting the above technical solution: the core structure of this device is: track, slider, joint, positioning hole, positioning piece, screw, movable seat, movable clamp, screw head, fastener. The core advantages of this device are: the position of the slider on the track can be adjusted and locked, the back of the slider has a special joint, the bottom of the fixture seat has several positioning holes, the joint and the slider can be installed at any positioning hole through the positioning piece, use the tool to rotate the screw head, the screw rotates, and the movable seat approaches the end seat until the fixed clamp and the movable clamp are close to clamp the standard part, and then the fastener is put on the screw head to lock the screw head;

[0016] This fixture adopts a short adjustable screw structure, the position of the joint and the slider is adjustable, when the distance between the slider and the end seat is adjusted to a larger size, it can be adapted to the clamping and positioning of larger standard parts, when the distance between the slider and the end seat is adjusted to a smaller size, it can be adapted to the clamping and positioning of smaller standard parts; this fixture can flexibly adapt to various standard parts from large to small sizes. This design enables the same set of fixtures to be applied to workpieces of various specifications, greatly improving the versatility and use efficiency of the fixture.

[0017] At the same time, this fixture adopts a short adjustable screw structure. First, adjust the position of the slider according to the size of the standard part, and then fine-tune the screw. Even if the slider is adjusted to the end of the fixture seat, the screw structure will not take up too much extra space. This allows the device to adapt to the clamping and positioning of standard parts of various sizes, while the device is more compact and does not take up extra space. The entire fixture structure is more compact. This is especially important for production lines or workbenches with limited space, which can save valuable production space and improve space utilization.

[0018] Preferably, any of the above schemes is that the positioning hole is threadedly connected to the positioning member, and the positioning member is specifically a hexagon socket bolt.

[0019] Preferably, any of the above schemes is that the screw is arranged transversely and the position of the movable seat on the clamp seat is adjustable.

[0020] Preferably, in any of the above schemes, the screw head is a hexagonal head, the fastener is made of rubber, and the fastener has a through hole for housing the screw head.

[0021] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0022] 1. The fixture for precision grinding of aviation standard parts is equipped with rails, sliders, joints, positioning holes, positioning parts, screws, movable seats, movable clamps, screw heads, and fasteners. The position of the joint and slider is adjustable. When the distance between the slider and the end seat is adjusted to a larger size, it can be adapted to the clamping and positioning of standard parts with larger sizes. When the distance between the slider and the end seat is adjusted to a smaller size, it can be adapted to the clamping and positioning of standard parts with smaller sizes. The fixture can flexibly adapt to various standard parts from large to small sizes. This design enables the same set of fixtures to be applied to workpieces of various specifications, greatly improving the versatility and use efficiency of the fixture.

[0023] 2. This fixture for precision grinding of aviation standard parts adopts a short adjustable screw structure. First, adjust the position of the slider according to the size of the standard part, and then fine-tune the screw. Even if the slider is adjusted to the end of the fixture seat, the screw structure will not take up too much extra space. This allows the device to adapt to the clamping and positioning of standard parts of various sizes, while the device is more compact and does not take up extra space. The entire fixture structure is more compact. This is especially important for production lines or workbenches with limited space, which can save valuable production space and improve space utilization.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0027] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;

[0028] Figure 3 This is a schematic diagram of the screwing head structure of the utility model;

[0029] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0030] In the figure: 1-clamp seat, 2-end seat, 3-fixed clamp, 4-track, 5-slider, 6-joint, 7-positioning hole, 8-positioning piece, 9-screw, 10-movable seat, 11-movable clamp, 12-groove, 13-screw head, 14-fastener. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1-4 As shown, the fixture for precision grinding of aviation standard parts comprises a fixture seat 1 and an end seat 2. The end of the top surface of the fixture seat 1 is fixedly connected to the end seat 2, and one side of the end seat 2 is fixedly connected to a fixing clamp 3;

[0034] A track 4 is provided inside the fixture seat 1, a slider 5 is movably connected inside the track 4, a joint 6 is fixedly connected to the back of the slider 5, and a plurality of positioning holes 7 are provided at the bottom of the fixture seat 1;

[0035] A positioning piece 8 is inserted into the joint 6, and the joint 6 and the slider 5 are positioned at any positioning hole 7 through the positioning piece 8;

[0036] The slider 5 is threadedly connected with a screw rod 9, the front end of the screw rod 9 is movably connected with a movable seat 10, the front of the movable seat 10 is fixedly connected with a movable clamp 11, and the clamping surfaces of the movable clamp 11 and the fixed clamp 3 are provided with a plurality of grooves 12;

[0037] The rear end of the screw rod 9 is fixedly connected with a screw head 13 , the outer surface of the screw head 13 is sleeved with a fastener 14 , the fastener 14 is seated on the top surface of the clamp seat 1 , and the movable seat 10 is movably connected to the top surface of the clamp seat 1 .

[0038] Embodiment 1: The material of the fixture seat 1 is aluminum alloy, and the spacing between the end seat 2 and the movable seat 10 is adjustable. This device is specially used for precision grinding of aviation standard parts and is a new type of standard parts fixture. The specific structure of clamping the standard part is a fixed clamp 3 and a movable clamp 11, and the surface of the fixed clamp 3 and the movable clamp 11 has a plurality of grooves 12. When the two are close together, the standard part is clamped. The design of the groove 12 makes the friction between the fixed clamp 3 and the movable clamp 11 and the standard part large, and the clamping is stable.

[0039] Embodiment 2: The clamping surfaces of the fixed clamp 3 and the movable clamp 11 are parallel, and the joint 6 is welded to the slider 5. The core structure of this device is: track 4, slider 5, joint 6, positioning hole 7, positioning member 8, screw 9, movable seat 10, movable clamp 11, screw head 13, fastener 14. The position of the slider 5 on the track 4 can be adjusted and locked. The back of the slider 5 has a special joint 6. The bottom of the clamp seat 1 is provided with a number of positioning holes 7. The joint 6 and the slider 5 can be installed at any positioning hole 7 through the positioning member 8. Use a tool to rotate the screw head 13, the screw 9 rotates, and the movable seat 10 approaches the end seat 2 until the fixed clamp 3 and the movable clamp 11 are close to clamp the standard part, and then the fastener 14 is put on the screw head 13 to lock the screw head 13.

[0040] The positioning hole 7 is threadedly connected with the positioning member 8, and the positioning member 8 is specifically a hexagon socket bolt. The screw rod 9 is arranged horizontally, and the position of the movable seat 10 on the clamp seat 1 is adjustable. The screw head 13 is specifically a hexagonal head, and the material of the fastener 14 is rubber. The fastener 14 has a through hole that covers the screw head 13.

[0041] The working principle of the utility model is as follows:

[0042] The standard part is placed on the fixture seat 1, the position of the slider 5 on the track 4 can be adjusted and locked, the slider 5 has a special joint 6 on the back, and a number of positioning holes 7 are provided at the bottom of the fixture seat 1. The joint 6 and the slider 5 can be installed at any positioning hole 7 through the positioning piece 8. Use a tool to rotate the screw head 13, the screw 9 rotates, and the movable seat 10 approaches the end seat 2 until the fixed clamp 3 and the movable clamp 11 are close to clamp the standard part, and then the fastener 14 is put on the screw head 13, and the screw head 13 is locked, so as to achieve the clamping and positioning of the standard part.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] 1. The fixture for precision grinding of aviation standard parts is arranged by the coordination of rail 4, slider 5, joint 6, positioning hole 7, positioning member 8, screw 9, movable seat 10, movable clamp 11, screw head 13, and fastener 14. The position of joint 6 and slider 5 is adjustable. When the distance between slider 5 and end seat 2 is adjusted to be larger, it can be adapted to the clamping and positioning of standard parts with larger size. When the distance between slider 5 and end seat 2 is adjusted to be smaller, it can be adapted to the clamping and positioning of standard parts with smaller size. The fixture can flexibly adapt to various standard parts from large to small sizes. This design enables the same set of fixtures to be applied to workpieces of various specifications, greatly improving the versatility and use efficiency of the fixture.

[0045] 2. The fixture for precision grinding of aviation standard parts adopts a short adjustable screw 9 structure. First, adjust the position of the slider 5 according to the size of the standard part, and then fine-tune the screw 9. Even if the slider 5 is adjusted to the end of the fixture seat 1, the screw 9 structure will not take up too much extra space. This allows the device to adapt to the clamping and positioning of standard parts of various sizes, while the device is more compact and does not take up extra space. The entire fixture structure is more compact. This is especially important for production lines or workbenches with limited space, which can save valuable production space and improve space utilization.

Claims

1. A fixture for precision grinding of aviation standard parts, characterized in that: It comprises a clamp seat (1) and an end seat (2), wherein the end of the top surface of the clamp seat (1) is fixedly connected to the end seat (2), and one side of the end seat (2) is fixedly connected to a fixing clamp (3); The fixture seat (1) is provided with a track (4) inside, a slider (5) is movably connected inside the track (4), a joint (6) is fixedly connected to the back of the slider (5), and a plurality of positioning holes (7) are provided at the bottom of the fixture seat (1); a positioning piece (8) is plugged into the joint (6), and the joint (6) and the slider (5) are positioned at any positioning hole (7) through the positioning piece (8); The slider (5) is threadedly connected with a screw rod (9), the front end of the screw rod (9) is movably connected with a movable seat (10), the front side of the movable seat (10) is fixedly connected with a movable clamp (11), and the clamping surfaces of the movable clamp (11) and the fixed clamp (3) are provided with a plurality of grooves (12); The rear end of the screw rod (9) is fixedly connected to a screw head (13), the outer surface of the screw head (13) is sleeved with a fastener (14), the fastener (14) is seated on the top surface of the clamp seat (1), and the movable seat (10) is movably connected to the top surface of the clamp seat (1).

2. A fixture for precision grinding of aviation standard parts as claimed in claim 1, characterized in that: The material of the clamp seat (1) is aluminum alloy, and the distance between the end seat (2) and the movable seat (10) is adjustable.

3. A fixture for precision grinding of aviation standard parts as claimed in claim 2, characterized in that: The clamping surfaces of the fixed clamp (3) and the movable clamp (11) are parallel, and the joint (6) is welded to the slider (5).

4. A fixture for precision grinding of aviation standard parts as claimed in claim 3, characterized in that: The positioning hole (7) is threadedly connected to the positioning member (8), and the positioning member (8) is specifically a hexagon socket bolt.

5. A fixture for precision grinding of aviation standard parts as claimed in claim 4, characterized in that: The screw rod (9) is arranged transversely, and the position of the movable seat (10) on the clamp seat (1) is adjustable.

6. A fixture for precision grinding of aviation standard parts as claimed in claim 5, characterized in that: The screw head (13) is specifically a hexagonal head, the fastener (14) is made of rubber, and the fastener (14) has a through hole that is sleeved on the screw head (13).