Oil distribution disc grinding machine clamp

Abstract

The utility model discloses an oil distribution disc grinding machine clamp, and relates to the technical field of clamps. The clamp comprises a clamp base plate and a workpiece body, a center taper hole is formed in the side face of the clamp base plate, a positioning base is fixedly arranged on the surface of the outer side of the clamp base plate, the surface of the outer side of the clamp base plate is connected with a first hinge pressing plate, the surface of the outer side of the clamp base plate is connected with a second hinge pressing plate, and the first hinge pressing plate and the second hinge pressing plate are fixedly arranged on the workpiece body. According to the utility model, a workpiece body can be firstly placed in the placing groove, then is tightly held by the two matched hinge pressing plates after being tightly pressed by the compression screw, so that the reliability of workpiece clamping is ensured, a grinding machine is used for machining a central taper hole by double tips, the workpiece machining is converted into a conventional grinding machine machining mode, and the machining efficiency is greatly improved. In addition, the number of workpieces clamped by the clamp at a time is increased, the machining efficiency is higher, the workpieces are symmetrically and evenly distributed on the body, the grinding force is balanced, the dynamic balance is better, the machining stability is guaranteed, and the machining quality is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to an oil distribution plate grinder clamp. Background Art

[0002] The oil distribution plate plays the role of high and low oil circuit distribution in the hydraulic motor or pump, so that when there is high-pressure oil in the motor or pump, the torque is output through the plunger chamber, and when the low-pressure oil returns, the high-pressure oil in the plunger chamber that stops outputting torque is discharged. A clamp is required when grinding the oil distribution plate.

[0003] When existing equipment is grinding oil distribution plates, it often encounters differentiated individuals that can only be processed by unconventional positioning and clamping methods. The outer arc surface of the product is ground, and the conventional clamping method cannot meet the processing requirements. In addition, the grinding speed is high and cannot meet the higher dynamic balance requirements for the workpiece and the fixture. Utility Model Content

[0004] In order to solve the problem that traditional processes often encounter differentiated individuals that can only be processed by unconventional positioning and clamping during grinding, the outer arc surface of the product is ground, and the conventional clamping method cannot meet the processing requirements, and the grinding speed is high, which cannot meet the higher requirements for dynamic balance of the workpiece and the fixture; the purpose of this utility model is to provide an oil distribution plate grinder fixture.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an oil distribution plate grinder fixture, comprising a fixture base and a workpiece body, a center cone hole is opened on the side of the fixture base, a positioning base is fixedly provided on the outer surface of the fixture base, a first hinge pressure plate is connected to the outer surface of the fixture base, a second hinge pressure plate is connected to the outer surface of the fixture base, a placement groove is opened on the positioning base, the workpiece body and the inner surface of the placement groove are movably fitted, a protrusion is installed in the placement groove, the protrusion passes through the workpiece body, a clamping screw is inserted into the inner thread of the protrusion, and the clamping screw movably passes through the workpiece body.

[0006] Preferably, there are four positioning bases, and the positioning bases are symmetrically arranged on the outer surface of the fixture substrate, the workpiece body is provided with holes for cooperating with clamping screws, the protrusions are installed in the placement grooves by screws, the first hinge pressure plate and the second hinge pressure plate are symmetrically arranged on the outer surface of the fixture substrate, there are four first hinge pressure plates and four second hinge pressure plates, and the first hinge pressure plates and the second hinge pressure plates are distributed in a circular array on the outer surface of the fixture substrate.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] The utility model can first place the workpiece body in the placement groove, and after being tightened by the clamping screw, it is clamped by the two matching hinge pressure plates, thereby ensuring the reliability of workpiece clamping. The grinder processes the center cone hole with double top centers, and converts the workpiece processing into a conventional grinder processing method. In addition, the number of workpieces that can be clamped at one time by the fixture is increased to pieces, and the processing efficiency is higher. Moreover, because the workpieces are symmetrically and evenly distributed on the body, the grinding force is balanced, the dynamic balance is better, the stability of the processing is guaranteed, and the processing quality is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0010] Figure 1 It is a schematic diagram of the structure of the utility model.

[0011] Figure 2 This is a schematic diagram of the placement slot structure of the utility model.

[0012] Figure 3 It is a schematic diagram of the side view structure of the clamp substrate of the utility model.

[0013] Figure 4 This is a schematic diagram of the cross-sectional structure of the clamp substrate of the utility model.

[0014] Figure 5 This is a schematic diagram of the top view of the fixture base plate of the utility model.

[0015] In the figure: 1, fixture base; 11, center cone hole; 12, positioning base; 2, first hinge pressure plate; 3, second hinge pressure plate; 4, placement groove; 5, protrusion; 6, clamping screw; 7, workpiece body. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-5As shown, the utility model provides an oil distribution plate grinder fixture, including a fixture base 1 and a workpiece body 7, the side of the fixture base 1 is provided with a central cone hole 11, the outer surface of the fixture base 1 is fixedly provided with a positioning base 122, the outer surface of the fixture base 1 is connected with a first hinge pressure plate 2, the outer surface of the fixture base 1 is connected with a second hinge pressure plate 3, a placement groove 4 is provided on the positioning base 12, the workpiece body 7 is movably fitted with the inner surface of the placement groove 4, a convex block 5 is installed in the placement groove 4, the convex block 5 passes through the workpiece body 7, and the convex block 5 The internal thread is inserted with a clamping screw 6, and the clamping screw 6 movably penetrates the workpiece body 7. The workpiece body 7 can be placed in the placement groove 4 first, and then clamped by the clamping screw 6, and then clamped by the two matching hinge pressure plates, so as to ensure the reliability of workpiece clamping. The grinding machine processes the double-top center cone hole 11, and converts the workpiece processing into a conventional grinding machine processing method. In addition, the number of workpieces that can be clamped at one time by this fixture is increased to 4 pieces, and the processing efficiency is higher. In addition, because the workpieces are symmetrically and evenly distributed on the body, the grinding force is balanced, and the dynamic balance is better, which ensures the stability of the processing and effectively improves the processing quality.

[0018] There are four positioning bases 122, and the positioning bases 122 are symmetrically arranged on the outer surface of the fixture substrate 1, which is convenient for connecting four workpieces. The workpiece body 7 is provided with a hole used for cooperating with the clamping screw 6, which is convenient for clamping operation through the clamping screw 6. The protrusion 5 is installed in the placement groove 4 by screws, which is convenient for the installation of the protrusion 5. The first hinge pressure plate 2 and the second hinge pressure plate 3 are symmetrically arranged on the outer surface of the fixture substrate 1. There are four first hinge pressure plates 2 and second hinge pressure plates 3, and the first hinge pressure plates 2 and the second hinge pressure plates 3 are distributed in a ring array on the outer surface of the fixture substrate 1, which is convenient for subsequent clamping operations on the four workpieces.

[0019] Working principle: When the utility model is in use, the workpiece body 7 can be placed in the placement groove 4 first, and after being clamped by the clamping screw 6, it is clamped by the two matching hinge pressure plates to ensure the reliability of workpiece clamping. The grinder processes the double-top center cone hole 11, and converts the workpiece processing into a conventional grinder processing method. The number of workpieces that can be clamped at one time by this fixture is increased to 4 pieces, and the processing efficiency is higher. In addition, because the workpieces are symmetrically and evenly distributed on the body, the grinding force is balanced, the dynamic balance is better, the stability of the processing is guaranteed, and the processing quality is effectively improved.

[0020] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An oil plate grinding machine fixture, comprising a fixture base plate (1) and a workpiece body (7), characterized in that: The side of the clamp substrate (1) is provided with a central conical hole (11), the outer surface of the clamp substrate (1) is fixedly provided with a positioning base (12), the outer surface of the clamp substrate (1) is connected with a first hinge pressure plate (2), the outer surface of the clamp substrate (1) is connected with a second hinge pressure plate (3), a placement groove (4) is provided on the positioning base (12), the workpiece body (7) is movably fitted with the inner surface of the placement groove (4), a protrusion (5) is installed in the placement groove (4), the protrusion (5) passes through the workpiece body (7), a clamping screw (6) is inserted into the inner thread of the protrusion (5), and the clamping screw (6) movably passes through the workpiece body (7).

2. The oil plate grinder fixture according to claim 1, characterized in that: Four positioning bases (12) are provided, and the positioning bases (12) are symmetrically arranged on the outer surface of the fixture base plate (1).

3. The oil plate grinder fixture according to claim 1, characterized in that: The workpiece body (7) is provided with a hole used in conjunction with the clamping screw (6).

4. The oil plate grinder fixture according to claim 1, characterized in that: The protrusion (5) is installed in the placement groove (4) by means of screws.

5. The oil plate grinder fixture as claimed in claim 1, characterized in that: The first hinge pressing plate (2) and the second hinge pressing plate (3) are symmetrically arranged on the outer surface of the clamp base plate (1).

6. The oil plate grinder fixture according to claim 1, characterized in that: Four of the first hinge pressing plates (2) and the second hinge pressing plates (3) are provided, and the first hinge pressing plates (2) and the second hinge pressing plates (3) are distributed in a circular array on the outer surface of the fixture base plate (1).

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