Special clamp for machining oil inlet and outlet hole of oil distribution disc

Abstract

The utility model discloses a special clamp for machining oil inlet and outlet holes of an oil distribution disc, and relates to the technical field of tool clamps. A special clamp for machining oil inlet and outlet holes of an oil distribution disc comprises a workbench. A groove is formed in the top of the workbench. A groove is formed in the base, a forward and reverse threaded lead screw is arranged in the groove, one side of the forward and reverse threaded lead screw is in threaded connection with a forward threaded moving block, the other side of the forward and reverse threaded lead screw is in threaded connection with a reverse threaded moving block, and a bearing plate is arranged at the top of the forward and reverse threaded lead screw. The motor is started to enable the rotating rod connected with the output end of the motor to rotate, so that the forward and reverse threaded lead screw fixedly connected with one end of the rotating rod is driven to rotate, and the rotating forward and reverse threaded lead screw enables the forward threaded moving block and the reverse threaded moving block which are in threaded connection with the two ends of the rotating forward and reverse threaded lead screw to get close to each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool fixture technical field, concretely is a kind of special fixture for processing oil distribution plate inlet and outlet oil hole. BACKGROUND

[0002] Oil distribution plate is the part that provides suction, discharge oil passage and divides high, low pressure oil cavity for pump, generally adopts copper and gold or powder metallurgy to manufacture oil distribution plate in low pressure pump, it is a sheet type part, only several oil window, complex oil channel is arranged in pump body.But must two sides finish, with the continuous development of medium, high pressure oil pump, more and more floating pressure side plate oil distribution plate is used, it not only has suction, discharge oil window, and design complex oil channel together.Generally, nodular cast iron is manufactured;This kind of oil distribution plate only needs single side finish.

[0003] Because fixing the oil distribution plate of different sizes during processing, it needs to spend a lot of time to align and adjust each time to ensure that the position of the oil distribution plate is roughly correct, which will seriously affect the production efficiency in batch processing, increase the processing time and cost of single workpiece. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of special fixture for processing oil distribution plate inlet and outlet oil hole, solve the problem that because fixing the oil distribution plate of different sizes during processing, it needs to spend a lot of time to align and adjust each time to ensure that the position of the oil distribution plate is roughly correct, which will seriously affect the production efficiency in batch processing, increase the processing time and cost of single workpiece.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of special fixture for processing oil distribution plate inlet and outlet oil hole, including workbench, recess is set in the top of workbench;

[0006] Recess, the inside of the recess is equipped with positive and negative thread lead screw, the side of the positive and negative thread lead screw is threadedly connected with positive thread moving block, the other side of the positive and negative thread lead screw is threadedly connected with reverse thread moving block, the top of the positive and negative thread lead screw is equipped with bearing plate;

[0007] Positive thread moving block, positive thread groove is formed in the side of the positive thread moving block, reverse thread groove is formed in the side of the reverse thread moving block;

[0008] Bearing plate, the bearing plate is installed in the inside of recess, the top of the bearing plate is provided with threaded column.

[0009] Preferably, the threaded column is installed at the center point of bearing plate, the top of the threaded column is threadedly connected with lower pressing plate, the top of the lower pressing plate is equipped with upper pressing plate, the top of the upper pressing plate is equipped with nut.

[0010] Preferably, both sides of the bearing plate are fixedly connected with slide rails, and both ends of the bearing plate are penetratingly connected with clamping plates.

[0011] Preferably, one of the clamping plates is installed on the top of the forward threaded moving block, and the other clamping plate is installed on the top of the reverse threaded moving block.

[0012] Preferably, one side of the clamping plate is provided with a sliding groove, and one side of the clamping plate is fixedly connected with a rubber pad.

[0013] Preferably, one side of the forward and reverse threaded screw rod is penetratingly connected with a rotating rod, and the other end of the rotating rod is fixedly connected with the output end of the motor outside the workbench.

[0014] The utility model provides a kind of processing special fixture of oil hole of oil distribution plate in and out, compared with prior art has the following beneficial effects:

[0015] A kind of processing special fixture of oil hole of oil distribution plate in and out, by the oil distribution plate is sleeved on threaded column, make upper pressing plate and lower pressing plate clamp the oil distribution plate, subsequently nut is screwed on threaded column, so that it is fixed, while starting motor, the start of motor makes the rotating rod connected with motor output end rotate, to this end drive rotating rod one end fixed connection the rotation of forward and reverse threaded screw rod, and the rotation of forward and reverse threaded screw rod will make its both ends threaded connection forward threaded moving block and reverse threaded moving block mutually close. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A kind of processing special fixture of oil hole of oil distribution plate in and out is proposed for the utility model three-dimensional structure schematic diagram;

[0017] Figure 2 A kind of processing special fixture of oil hole of oil distribution plate in and out is proposed for the utility model part separation structure schematic diagram;

[0018] Figure 3 A kind of processing special fixture of oil hole of oil distribution plate in and out is proposed for the utility model part section schematic diagram;

[0019] Figure 4 A kind of processing special fixture of oil hole of oil distribution plate in and out is proposed for the utility model structure schematic diagram.

[0020] In the drawing: 1, workbench;2, recess;3, forward and reverse threaded screw rod;4, forward threaded moving block;5, reverse threaded moving block;6, forward threaded groove;7, reverse threaded groove;8, bearing plate;9, threaded column;10, lower pressing plate;11, upper pressing plate;12, nut;13, slide rail;14, clamping plate;15, rubber pad;16, rotating rod;17, motor;18, sliding groove. DETAILED DESCRIPTION

[0021] 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 scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of processing and special fixture for oil distribution plate inlet and outlet oil hole includes workbench 1, recess 2 is set in the top of workbench 1;Recess 2 inside is equipped with positive and negative thread lead screw 3, one side of positive and negative thread lead screw 3 is threadedly connected with positive thread moving block 4, the other side of positive and negative thread lead screw 3 is threadedly connected with reverse thread moving block 5, and the top of positive and negative thread lead screw 3 is equipped with bearing plate 8;Positive thread moving block 4 one side is threadedly connected with positive thread groove 6, and reverse thread moving block 5 one side is threadedly connected with reverse thread groove 7;Bearing plate 8 is installed in the inside of recess 2, and the top of bearing plate 8 is provided with threaded column 9, one side of positive and negative thread lead screw 3 is connected with rotating rod 16, the other end of rotating rod 16 is fixedly connected with the output end of motor 17 outside workbench 1, one clamping plate 14 is installed on the top of positive thread moving block 4, and another clamping plate 14 is installed on the top of reverse thread moving block 5.

[0023] In the use process of the embodiment, the recess 2 set in the top of workbench 1 provides support for positive and negative thread lead screw 3, and the workbench 1 provides support for the motor 17 fixedly connected to the outside of the workbench 1, by starting the motor 17, the starting of the motor 17 makes the rotating rod 16 connected to the output end of the motor 17 rotate, to drive the positive and negative thread lead screw 3 fixedly connected to one end of the rotating rod 16 to rotate, since the surface of the positive and negative thread lead screw 3 is provided with positive and negative threads, the rotation of the positive and negative thread lead screw 3 will drive the positive thread moving block 4 to move towards the reverse thread moving block 5 under the action of the positive thread groove 6 set on one side of the positive thread moving block 4 and the reverse thread groove 7 set on one side of the reverse thread moving block 5, and the mutual approach of the positive thread moving block 4 and the reverse thread moving block 5 will make the two clamping plates 14 installed on the top of the positive thread moving block 4 and the reverse thread moving block 5 also approach each other, to clamp the oil distribution plate in the left-right direction, so as to fix the oil distribution plate.

[0024] Please refer to Figures 1-4 Threaded column 9 is installed at the center point of bearing plate 8, and the top of threaded column 9 is threadedly connected with lower pressing plate 10, the top of lower pressing plate 10 is provided with upper pressing plate 11, and the top of upper pressing plate 11 is provided with nut 12.

[0025] In use, the upper pressing plate 11 and the nut 12 are removed from the threaded column 9, then the oil distribution disc is sleeved on the threaded column 9, the upper pressing plate 11 is connected in a threaded mode, the upper pressing plate 11 and the lower pressing plate 10 clamp the oil distribution disc in the up-down direction, then the nut 12 is screwed on the threaded column 9, and the oil distribution disc is fixed again.

[0026] Please refer to Figures 1-4 Both sides of the bearing plate 8 are fixedly connected with slide rails 13, both ends of the bearing plate 8 are penetratedly connected with clamping plates 14, one side of the clamping plate 14 is provided with a sliding groove 18, and one side of the clamping plate 14 is fixedly connected with a rubber pad 15.

[0027] In use, the forward threaded moving block 4 and the reverse threaded moving block 5 are close to each other, the sliding groove 18 is arranged on one side of the clamping plate 14, the two clamping plates 14 are close to each other at both ends of the bearing plate 8 under the action of the sliding groove 18 and the slide rail 13, the bearing plate 8 provides support for the oil distribution disc, the rubber pad 15 fixedly connected with one side of the clamping plate 14 can fill the small gap between the oil distribution disc and the clamping plate 14, the clamping force is more uniformly distributed on the oil distribution disc, the local excessive pressure is reduced, the oil distribution disc is prevented from being deformed due to uneven stress, and the machining precision is ensured.

[0028] In the utility model, the upper pressing plate 11 and the nut 12 are removed from the threaded column 9, then the oil distribution disc is sleeved on the threaded column 9, the upper pressing plate 11 is connected in a threaded mode, the upper pressing plate 11 and the lower pressing plate 10 clamp the oil distribution disc in the up-down direction, then the nut 12 is screwed on the threaded column 9, and the oil distribution disc is fixed again, the rotating rod 16 connected with the output end of the motor 17 is rotated by starting the motor 17, the rotating rod 16 drives the forward and reverse threaded lead screw 3 fixedly connected with one end of the rotating rod 16 to rotate, the surface of the forward and reverse threaded lead screw 3 is provided with forward and reverse threads, the rotation of the forward and reverse threaded lead screw 3 drives the forward threaded moving block 4 and the reverse threaded moving block 5 to be close to each other under the action of the forward threaded groove 6 arranged on one side of the forward threaded moving block 4 and the reverse threaded groove 7 arranged on one side of the reverse threaded moving block 5, the forward threaded moving block 4 and the reverse threaded moving block 5 are close to each other, the sliding groove 18 is arranged on one side of the clamping plate 14, the two clamping plates 14 installed on the top of the forward threaded moving block 4 and the reverse threaded moving block 5 are close to each other at both ends of the bearing plate 8 under the action of the sliding groove 18 and the slide rail 13, and the oil distribution disc is clamped in the left-right direction, so that the oil distribution disc is fixed again.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0031] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A special fixture for machining the oil hole of a distribution plate, comprising a worktable (1), characterized in that: The top of the workbench (1) is provided with a groove (2); The groove (2) is internally provided with a positive and reverse threaded screw rod (3), one side of the positive and reverse threaded screw rod (3) is threadedly connected with a positive threaded moving block (4), the other side of the positive and reverse threaded screw rod (3) is threadedly connected with a reverse threaded moving block (5), and the top of the positive and reverse threaded screw rod (3) is provided with a bearing plate (8); The positive threaded moving block (4) is provided with a positive threaded groove (6) penetratingly formed on one side, and the reverse threaded moving block (5) is provided with a reverse threaded groove (7) penetratingly formed on one side; The bearing plate (8) is installed in the inside of the groove (2), and the top of the bearing plate (8) is provided with a threaded column (9).

2. The special fixture for machining the oil hole of the oil distribution plate according to claim 1, characterized in that: The threaded column (9) is installed at the center point of the bearing plate (8), the top of the threaded column (9) is threadedly connected with a lower pressing plate (10), the top of the lower pressing plate (10) is provided with an upper pressing plate (11), and the top of the upper pressing plate (11) is provided with a nut (12).

3. The special fixture for machining the oil hole of the oil distribution plate according to claim 2, characterized in that: Both sides of the bearing plate (8) are fixedly connected with sliding rails (13), and both ends of the bearing plate (8) are penetratingly connected with clamping plates (14).

4. The special fixture for machining the oil hole of the oil distribution plate according to claim 3, characterized in that: One of the clamping plates (14) is installed on the top of the positive threaded moving block (4), and the other clamping plate (14) is installed on the top of the reverse threaded moving block (5).

5. The special fixture for machining the oil hole of the oil distribution plate according to claim 4, characterized in that: One side of the clamping plate (14) is provided with a sliding groove (18), and one side of the clamping plate (14) is fixedly connected with a rubber pad (15).

6. The special fixture for machining the oil hole of the oil distribution plate according to claim 1, characterized in that: One side of the positive and reverse threaded screw rod (3) is penetratingly connected with a rotating rod (16), and the other end of the rotating rod (16) is fixedly connected with the output end of the motor (17) outside the workbench (1).

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