Precise part grinding structure

Abstract

The utility model relates to a precision part grinding structure which comprises a workbench, the top of the workbench is connected with a supporting block in a sliding mode, and the top of the supporting block is provided with a positioning clamp assembly. The positioning clamp assembly comprises a clamp body, the clamp body is fixedly connected to the top of a supporting block, a positioning blind hole is formed in the supporting block, a limiting plate is placed on the top of the clamp body, a spring is fixedly connected to the outer surface of the positioning plate, and a limiting rod is fixedly connected to the interior of the spring. According to the precision part grinding structure, when a workpiece is ground, firstly, three sets of supporting blocks slide to the top of a workbench, then a clamp body is placed on the tops of the supporting blocks, a positioning plate is inserted into a positioning blind hole, a shifting limiting rod is inserted into the supporting blocks, and the three sets of supporting blocks are sequentially and fixedly connected together through countersunk bolts; the supporting block is fixed to the top of the workbench through the fastening screw, then the workpiece is connected to the top of the clamp body in a sleeving mode, and grinding machining is conducted.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing center technical field, concretely is a precision part grinding structure. BACKGROUND

[0002] Traditional grinding procedure is relying on the random use of steel part to prop up and then use the pressing plate to fix in grinding, and there is great security guarantee in actual grinding and clamping process, and only one specification part can be ground at a time, and the grinding precision cannot be accurately guaranteed, and the function requirement of one tooling compatible multi-process grinding cannot be realized at the same time; because the assembly requirement of precision parts is high, so the assembly precision needs to be accurately controlled, and after rough machining and finish machining of the lathe, the grinding procedure is carried out, and in the assembly process, the assembly is matched with multiple sets, if the precision cannot be guaranteed in the grinding process, the problems such as assembly inconsistency and repeated rework are caused.

[0003] The clamping range of the traditional tooling fixture is limited, and there is difficulty in compatible multi-process grinding, and only single process and single quantity can be used for grinding, so the precision part grinding structure is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a precision part grinding structure, which has the advantages of concentrating single high-precision parts and ordinary parts grinding process on a set of tooling for grinding, breaking the limitation of single-function grinding, reducing the number of personnel over-repeated disassembly of tooling and clamping of workpieces, and solving the problems of low machining efficiency and high clamping frequency, which easily affects the grinding precision.

[0005] To achieve the above object, the utility model provides the following technical scheme: a precision part grinding structure, comprising a workbench, the top of the workbench is slidably connected with a supporting block, the top of the supporting block is provided with a positioning clamp assembly;

[0006] The positioning clamp assembly comprises a clamping body, the clamping body is fixedly connected to the top of the supporting block, a positioning blind hole is formed in the inside of the supporting block, a limiting plate is placed on the top of the clamping body, a spring is fixedly connected to the outer surface of the positioning plate, and a limiting rod is fixedly connected to the inside of the spring.

[0007] Further, a T-shaped sliding groove is formed in the inside of the workbench, a T-shaped sliding block is fixedly connected to the bottom of the supporting block, and the T-shaped sliding block slides in the inside of the workbench through the T-shaped sliding groove.

[0008] Further, a first bolt hole is formed in the inside of the clamping body, and a workpiece body is sleeved on the top of the clamping body.

[0009] Further, the inside of the support block is provided with a second bolt hole, the positioning plate is an L-shaped plate, and the positioning plate is inserted into the inside of the support block through a positioning blind hole.

[0010] Further, a countersunk bolt is arranged in the inside of the positioning plate, and the countersunk bolt penetrates and extends into the inside of the support block.

[0011] Further, a limiting rod hole is arranged in the inside of the support block, the limiting rod is a circular rod, and the limiting rod is located in the inside of the support block through the limiting rod hole.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] 1. The precision part grinding structure, when the workpiece is ground, first, three groups of support blocks are slid to the top of the workbench, then the clamping body is placed on the top of the support block, the positioning plate is inserted into the inside of the positioning blind hole, the limiting rod is inserted into the inside of the support block, and the support block is fixed to the top of the workbench through the fastening screw, then the workpiece is sleeved on the top of the clamping body, and grinding processing can be performed.

[0014] 2. The precision part grinding structure, by arranging the positioning plate and the limiting rod, the support block and the clamping body can be prevented from loosening and deviating during processing, so that the working efficiency during grinding is higher; by arranging the T-shaped sliding groove and the T-shaped sliding block, the T-shaped sliding block can play a limiting role when the support block is installed. DETAILED DESCRIPTION

[0015] Figure 1 It is a structure front view of the utility model;

[0016] Figure 2 It is a structure side view of the utility model;

[0017] Figure 3 It is a structure first clamp drawing of the utility model;

[0018] Figure 4 It is a structure second clamp drawing of the utility model;

[0019] Figure 5 It is a structure third clamp drawing of the utility model;

[0020] Figure 6 It is a structure fourth clamp drawing of the utility model;

[0021] Figure 7 It is a structure fifth clamp drawing of the utility model.

[0022] In the figure: 1, workbench; 2, T-shaped sliding groove; 3, support block; 4, T-shaped sliding block; 5, clamping body; 51, first clamp; 52, second clamp; 53, third clamp; 54, fourth clamp; 55, fifth clamp; 6, workpiece body; 7, first bolt hole; 8, second bolt hole; 9, positioning blind hole; 10, positioning plate; 11, spring; 12, limiting rod; 13, countersunk bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment one: please refer to Figures 1-7 The precise part grinding structure in the embodiment comprises a workbench 1, the top of the workbench 1 is slidably connected with a support block 3, the inside of the workbench 1 is provided with a T-shaped sliding groove 2, the bottom of the support block 3 is fixedly connected with a T-shaped sliding block 4, and the T-shaped sliding block 4 slides in the inside of the workbench 1 through the T-shaped sliding groove 2.

[0025] The top of the support block 3 is provided with a positioning clamp assembly; the positioning clamp assembly comprises a clamping body 5, the inside of the clamping body 5 is provided with a first bolt hole 7, and the top of the clamping body 5 is sleeved with a workpiece body 6.

[0026] The clamping body 5 is fixedly connected to the top of the support block 3, the inside of the support block 3 is provided with a second bolt hole 8, the inside of the support block 3 is provided with a positioning blind hole 9, the top of the clamping body 5 is placed with a limiting plate 10, the shape of the limiting plate 10 is an L-shaped plate, and the limiting plate 10 is inserted into the inside of the support block 3 through the positioning blind hole 9.

[0027] The inside of the limiting plate 10 is provided with a countersunk bolt 13, and the countersunk bolt 13 penetrates and extends into the inside of the support block 3.

[0028] The outer surface of the limiting plate 10 is fixedly connected with a spring 11, the inside of the spring 11 is fixedly connected with a limiting rod 12, the inside of the support block 3 is provided with a limiting rod hole, the shape of the limiting rod 12 is a circular rod, and the limiting rod 12 is located in the inside of the support block 3 through the limiting rod hole.

[0029] In the embodiment, the number of the support blocks 3 is three groups, the three groups of support blocks 3 are all slid into the inside of the workbench 1 through the T-shaped sliding blocks 4, and then are fixed after penetrating into the inside of the second bolt holes 8 through the screws, so that the clamping body 5 is supported.

[0030] In this embodiment, please refer to the appendix. Figure 3 The clamping body 5 has five different specifications and shapes of components, which are used to clamp different workpieces when grinding them. This ensures that the bottom and top plates are kept as coaxial as possible, thereby improving the grinding accuracy. It has achieved high stability, high rigidity, high machining accuracy, and multi-process grinding function, and has shown very significant results in practical applications.

[0031] In this embodiment, by setting the positioning plate 10 and the limiting rod 12, the support block 3 and the clamping body 5 are prevented from loosening or shifting during the processing, thus ensuring higher work efficiency during grinding.

[0032] In this embodiment, the positioning plate 10, spring 11, limit rod 12, and countersunk bolt 13 are all in three sets, and they are used in the same way. This application description only describes one set.

[0033] Example 2: Please refer to Figure 3 Based on the first embodiment, the three sets of support blocks 3 are first slid to the top of the workbench 1, then the first clamp 51 is placed on the top of the support block 3, the positioning plate 10 is inserted into the inside of the positioning blind hole 9, the limit rod 12 is inserted into the inside of the support block 3, and they are sequentially fixed together by countersunk bolts 13.

[0034] Example 3: Please refer to Figure 4 The difference between this and the first clamp 51 is that it is equipped with an inner ring. Based on the first embodiment, the three sets of support blocks 3 are first slid to the top of the workbench 1, and then the second clamp 52 is placed on the top of the support block 3. The positioning plate 10 is inserted into the inside of the positioning blind hole 9, and the moving limit rod 12 is inserted into the inside of the support block 3. They are then fixed together in sequence by countersunk bolts 13.

[0035] Example 4: Please refer to Figure 5 The difference between the third fixture and the second fixture 52 is the inner diameter size, which is suitable for workpieces with different inner diameters. Based on the first embodiment, the three sets of support blocks 3 are first slid to the top of the worktable 1, and then the third fixture 53 is placed on the top of the support block 3. The positioning plate 10 is inserted into the inside of the positioning blind hole 9, and the limit rod 12 is inserted into the inside of the support block 3. They are then fixed together in sequence by countersunk bolts 13.

[0036] Example 5: Please refer to Figure 6The difference between the third clamp 53 is that the top is provided with a boss, for the workpiece set in the boss outer surface, on the basis of embodiment one, first three groups of support block 3 is slid to the top of the workbench 1, then the fourth clamp 54 is placed on the top of the support block 3, the positioning plate 10 is inserted into the positioning blind hole 9, and the limiting rod 12 is inserted into the support block 3, and is fixed and connected together in sequence by means of the countersunk head bolt 13.

[0037] Embodiment six: please refer to Figure 7 The difference between the fourth clamp 54 is that the inner diameter size is larger, which can be used for the workpiece set in the fifth clamp 55, on the basis of embodiment one, first three groups of support block 3 is slid to the top of the workbench 1, then the fifth clamp 55 is placed on the top of the support block 3, the positioning plate 10 is inserted into the positioning blind hole 9, and the limiting rod 12 is inserted into the support block 3, and is fixed and connected together in sequence by means of the countersunk head bolt 13.

[0038] The working principle of the above embodiment is:

[0039] The precision part grinding structure, when the workpiece is ground, first three groups of support block 3 is slid to the top of the workbench 1, then the clamp 5 is placed on the top of the support block 3, the positioning plate 10 is inserted into the positioning blind hole 9, and the limiting rod 12 is inserted into the support block 3, and is fixed and connected together in sequence by means of the countersunk head bolt 13, while the support block 3 is fixed to the top of the workbench 1 by means of the fastening screw, then the workpiece 6 is sleeved on the top of the clamp 5, and the grinding processing can be carried out, the rigidity of the tool is good, the processing stability is good and the multi-process grinding is compatible, at the same time, the precision requirement of the part is ensured, the production efficiency is greatly improved, the number of repeated disassembly and assembly of the tool due to inaccurate precision detection is reduced, and the processing efficiency is greatly improved.

[0040] It should be noted that the standard parts used in the application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the mature bolt, rivet, welding and other conventional means in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art. The circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0041] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0042] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A precision part lapping structure comprising a worktable (1), characterized in that: The top of the workbench (1) is slidably connected with a supporting block (3), and the top of the supporting block (3) is provided with a positioning clamp assembly; The positioning clamp assembly comprises a clamping body (5) fixedly connected to the top of the supporting block (3), the inside of the supporting block (3) is provided with a positioning blind hole (9), the top of the clamping body (5) is placed with a positioning plate (10), the outer surface of the positioning plate (10) is fixedly connected with a spring (11), and the inside of the spring (11) is fixedly connected with a limiting rod (12).

2. The precision part lapping structure of claim 1, wherein: The inside of the workbench (1) is provided with a T-shaped sliding groove (2), and the bottom of the supporting block (3) is fixedly connected with a T-shaped sliding block (4), which slides in the inside of the workbench (1) through the T-shaped sliding groove (2).

3. The precision part lapping structure of claim 1, wherein: The inside of the clamping body (5) is provided with a first bolt hole (7), and the top of the clamping body (5) is sleeved with a workpiece body (6).

4. The precision part lapping structure of claim 1, wherein: The inside of the supporting block (3) is provided with a second bolt hole (8), the shape of the positioning plate (10) is L-shaped plate, and the positioning plate (10) is inserted into the inside of the supporting block (3) through the positioning blind hole (9).

5. The precision part lapping structure of claim 1, wherein: The inside of the positioning plate (10) is provided with a countersunk bolt (13), and the countersunk bolt (13) penetrates and extends into the inside of the supporting block (3).

6. The abrasive structure of claim 1, wherein: The inside of the supporting block (3) is provided with a limiting rod hole, the shape of the limiting rod (12) is a circular rod, and the limiting rod (12) is located in the inside of the supporting block (3) through the limiting rod hole.

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