Tool for processing plunger pump

By designing a tooling for piston pump machining, and using a combination of clamping and pressing parts for fixation, the problem of multiple cylinder block repositioning and clamping was solved, thus improving machining accuracy and efficiency.

CN117444677BActive Publication Date: 2025-12-26HEBEI WEIFU TECH CO LTD
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Patent Information

Application Number
CN202311664610.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-06
Publication Date
2025-12-26
Estimated Expiration
2043-12-06

AI Technical Summary

Technical Problem

Machining a plunger pump cylinder requires multiple clamping and repositioning operations, which affects machining accuracy and efficiency.

Method used

A tooling for machining a plunger pump was designed, including a clamping component and a pressing part. The clamping component clamps one end of the plunger pump cylinder body, the first driving component adjusts the direction of the clamping component, and the pressing part fixes the other end of the cylinder body, thereby achieving stable fixation of the cylinder body and multi-face machining.

Benefits of technology

It improves the precision and efficiency of piston pump cylinder block machining, reduces the need for frequent alignment, and simplifies the mounting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of tooling fixture, and proposes a tooling for processing plunger pump, which comprises a support frame; a clamping part is rotatably arranged on the support frame and used for clamping one end of a plunger pump cylinder body; a support block is arranged on the support frame; a pressing part is rotatably arranged on the support frame, and a pressing space is formed between the pressing part and the support block after the pressing part is rotated towards the support block, with the other end of the plunger pump cylinder body located in the pressing space; and a first driving part is arranged on the support frame and used for driving the clamping part to rotate. Through the above technical solution, the problem that the plunger pump cylinder body needs to be clamped multiple times for position changing during processing to complete the processing process and thus affect the processing precision and efficiency is solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tooling fixture, in particular, relates to a tooling for machining a plunger pump. BACKGROUND

[0002] The plunger pump is widely used in various hydraulic transmission systems due to its high speed, high pressure, compact structure, and easy variable control. The plunger pump is mainly composed of a cylinder body, a piston and a guide sleeve, wherein the piston and the inner cavity of the cylinder body cooperate, one end of the cylinder body is provided with an outlet for the piston to extend out, and the side wall of the cylinder body is provided with an oil inlet and an oil outlet. After the cylinder body is cast, it needs to be finished, including planing and boring, so that the cylinder body meets the assembly requirements. When finishing the cylinder body, it is usually fixed by pressing or clamping positioning. However, during the machining process, the cylinder body has multiple machining surfaces, so multiple position changes and clamping are required to complete the entire machining process, and the positioning datum needs to be determined again each time, which affects the machining accuracy and efficiency. SUMMARY

[0003] The present application provides a tooling for machining a plunger pump, which solves the problem of the need for multiple position changes and clamping to complete the machining process, thereby affecting the machining accuracy and efficiency.

[0004] The technical scheme of the present application is as follows:

[0005] The tooling for machining a plunger pump comprises

[0006] a support frame;

[0007] a clamping member rotatably arranged on the support frame, the clamping member being used for clamping one end of a plunger pump cylinder body;

[0008] a support block arranged on the support frame;

[0009] a pressing portion rotatably arranged on the support frame, the pressing portion and the support block forming a pressing space after the pressing portion is rotated towards the support block, and the other end of the plunger pump cylinder body being located in the pressing space;

[0010] a first driving member arranged on the support frame, the first driving member being used for driving the clamping member to rotate.

[0011] As a further technical scheme, it further comprises

[0012] a mounting plate arranged on the support frame;

[0013] A first telescopic member is arranged on the mounting plate, and one end of the pressing part is hingedly arranged on an output end of the first telescopic member;

[0014] A vertical plate is arranged on the mounting plate;

[0015] A first connecting rod is hingedly arranged at two ends of the vertical plate and the pressing part respectively.

[0016] As a further technical solution, it further comprises

[0017] A second telescopic member is arranged on a lower surface of the support frame, an output end of the second telescopic member penetrates through the support frame, and the mounting plate is connected with the output end of the second telescopic member;

[0018] A guide rod is slidingly arranged on the support frame, one end of the guide rod is connected with a lower surface of the mounting plate, and the other end of the guide rod penetrates through the support frame.

[0019] As a further technical solution, the clamping member comprises

[0020] A rotating frame is rotationally arranged on the support frame, and the rotating frame has a partition layer;

[0021] A plurality of limiting seats are circumferentially and intervaliy arranged on the rotating frame, and a rotating space is formed between the plurality of limiting seats and the rotating frame;

[0022] A rotating plate is rotationally arranged on the rotating frame;

[0023] A plurality of second connecting rods are one-to-one corresponding to the plurality of limiting seats, one end of the second connecting rod is rotationally arranged on the rotating plate, and the other end of the second connecting rod is radially slidingly arranged on the limiting seat relative to the rotating plate;

[0024] A plurality of clamping blocks are circular, the clamping blocks are eccentrically arranged at the ends of the second connecting rods away from the limiting seats, the plurality of clamping blocks form a clamping space after being close to each other, and one end of the plunger pump cylinder body is located in the clamping space;

[0025] A second driving member is arranged in the partition layer, and the second driving member is used for driving the rotating plate to rotate.

[0026] As a further technical solution, the limiting seat has a guide groove, one end of the guide groove points to a rotation center of the rotating plate, and one end of the second connecting rod is slidingly arranged in the guide groove, and the technical solution further comprises

[0027] Limiting plates are arranged on the limiting seats near one end of the rotating plate, and the limiting plates are distributed at intervals with the rotating frame, and the rotating plate is located between the limiting plates and the rotating frame.

[0028] As a further technical solution, it further comprises

[0029] Third connecting rods, the third connecting rods are circumferentially arranged at intervals on the rotating plate.

[0030] Compression rings are arranged at the other end of the third connecting rods.

[0031] Connecting shafts are arranged at one end of the second connecting rods, the axis of the connecting shafts coincides with the rotating center of the second connecting rods on the rotating plate, and the other end of the connecting shafts is hinged with the compression rings.

[0032] As a further technical solution, it further comprises

[0033] Baffles, the baffles are arranged at one end of the supporting frames, and the other baffles are slidingly arranged at the other end of the supporting frames, and the two baffles and the upper end of the supporting frames form a U-shaped frame.

[0034] Third telescopic members are arranged on the supporting frames, and the third telescopic members are used to drive one of the baffles to slide along the supporting frames.

[0035] Collecting hoppers are arranged below the opening of the U-shaped frame.

[0036] Air outlets are arranged on the slidingly arranged baffles, and the air outlets are located in the U-shaped frame.

[0037] As a further technical solution, it further comprises

[0038] Air bags are arranged on the slidingly arranged baffles, and the air bags are located in the U-shaped frame, and the surface of the air bag has a plurality of elastic protrusions.

[0039] The working principle and beneficial effects of the present application are as follows:

[0040] In the present application, in order to solve the problem that the cylinder body of the plunger pump needs to be clamped multiple times to complete the machining process, thereby affecting the machining precision and machining efficiency in the related art, the tooling for plunger pump machining is divided into two parts, the clamping part clamps one end of the plunger pump cylinder body, the support block and the pressing part cooperate to press the other end of the plunger pump cylinder body, and the first driving part can drive the clamping part to rotate. In use, first, one end of the plunger pump cylinder body is clamped by the clamping part, then the direction of the clamping part is adjusted by the first driving part according to the machining needs, and after adjustment, the other end of the plunger pump cylinder body is pressed on the support block by the pressing part, thereby completing the fixation of the plunger pump cylinder body. The rotation of the clamping part driven by the first driving part can make multiple machined surfaces of the plunger pump cylinder body successively face upwards, facilitating the milling machining of the to-be-machined surface of the plunger pump side wall, and after machining, the machining of the oil inlet and the oil outlet can be performed. The clamping part clamps the end of the plunger pump cylinder body away from the piston outlet, the pressing part and the support block are distributed above and below the one end of the plunger pump cylinder body, and the machining of the inner cavity and the piston outlet of the plunger pump cylinder body is not affected. When machining different machined surfaces of the plunger pump cylinder body, only the pressing part needs to be loosened, and the direction of the clamping part is adjusted by the first driving part. During the adjustment process, the plunger pump cylinder body and the clamping part always move synchronously, without the need for secondary fixation. After the direction of the clamping part is adjusted, the other end of the plunger pump cylinder body is pressed by the pressing part, and the machining can continue. The adjustment is convenient, without the need for secondary alignment, and the machining precision and machining efficiency during plunger pump machining can be improved.

[0041] The working principle of the present application is that the two ends of the support frame are respectively provided with a clamping part and an oppositely arranged pressing part and a support block for fixing the two ends of the plunger pump cylinder body. When the plunger pump cylinder body needs to be machined, first, one end of the plunger pump cylinder body is clamped by the clamping part, then the pressing part is rotated towards the support block, and the other end of the plunger pump cylinder body is fixed on the support block by the pressing part. At this time, one machined surface of the plunger pump cylinder body can be machined first, and then the inner cavity and the piston outlet of the plunger pump cylinder body can be machined. When the remaining machined surfaces need to be machined, first, the pressing part is reversely rotated, at this time, the end of the plunger pump cylinder body away from the clamping part is in a free state, the clamping part is rotated by the first driving part, the to-be-machined surface is supported above the support frame, and then the plunger pump cylinder body is pressed on the support block by the pressing part, thereby the remaining machined surfaces can be machined. The plunger pump cylinder body does not need to be frequently aligned during machining, the clamping process is simple and fast, and the machining efficiency during plunger pump machining is improved. BRIEF DESCRIPTION OF DRAWINGS

[0042] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0043] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0044] Figure 2 It is a schematic diagram of the local structure of the present application.

[0045] Figure 3 For the clamping member structure of the application schematic diagram;

[0046] Figure 4 For the clamping member structure of the application schematic diagram; Figure 3 For the clamping member structure of the application schematic diagram;

[0047] Figure 5 For the clamping member structure of the application schematic diagram;

[0048] Figure 6 For the clamping member structure of the application schematic diagram;

[0049] Figure 7 For the clamping member structure of the application schematic diagram;

[0050] Figure 8 For the clamping member structure of the application schematic diagram;

[0051] Figure: 1, support frame, 2, clamping member, 3, support block, 4, compression part, 5, compression space, 6, first drive, 7, mounting plate, 8, first telescopic piece, 9, vertical plate, 10, first connecting rod, 11, second telescopic piece, 12, guide rod, 13, rotating frame, 14, spacer, 15, limit seat, 16, rotating plate, 17, second connecting rod, 18, clamping block, 19, second drive, 20, guide groove, 21, limit plate, 22, third connecting rod, 23, compression ring, 24, connecting shaft, 25, baffle, 26, third telescopic piece, 27, collection hopper, 28, air outlet, 29, air bag, 30, elastic protrusion. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor also fall within the scope of protection of the application.

[0053] As Figures 1-8 shown, the embodiment proposes

[0054] The tool for processing plunger pump includes

[0055] Support frame 1;

[0056] Clamping member 2, clamping member 2 is rotatably arranged on support frame 1, and clamping member 2 is used for clamping one end of the plunger pump cylinder body;

[0057] Support block 3, support block 3 is arranged on support frame 1;

[0058] The pressing part 4 is rotatably arranged on the support frame 1, and the pressing part 4 forms a pressing space 5 with the support block 3 after being rotated towards the support block 3, and the other end of the cylinder body of the plunger pump is located in the pressing space 5;

[0059] The first driving member 6 is arranged on the support frame 1, and is used to drive the clamping member 2 to rotate.

[0060] In the embodiment, in order to solve the problem that the cylinder body of the plunger pump needs to be clamped multiple times to complete the machining process, thereby affecting the machining precision and machining efficiency, the tooling for machining the plunger pump is divided into two parts, the clamping member 2 clamps one end of the cylinder body of the plunger pump, the support block 3 and the pressing part 4 cooperate to press the other end of the cylinder body of the plunger pump, and the first driving member 6 can drive the clamping member 2 to rotate. In use, first, one end of the cylinder body of the plunger pump is clamped by the clamping member 2, then the direction of the clamping member 2 is adjusted by the first driving member 6 according to the machining needs, and after adjustment, the other end of the cylinder body of the plunger pump is pressed on the support block 3 by the pressing part 4, thereby completing the fixation of the cylinder body of the plunger pump. The rotation of the clamping member 2 driven by the first driving member 6 can make multiple machining surfaces of the cylinder body of the plunger pump successively face upwards, thereby facilitating the milling machining of the to-be-machined surface of the side wall of the plunger pump, and after the machining is completed, the machining of the oil inlet and the oil outlet can be performed. The clamping member 2 clamps the end of the cylinder body of the plunger pump away from the piston outlet, the pressing part 4 and the support block 3 are arranged on one end of the cylinder body of the plunger pump in an up-down manner, and the machining of the inner cavity and the piston outlet of the cylinder body of the plunger pump is not affected. When different machining planes of the cylinder body of the plunger pump are machined, the pressing part 4 is first loosened, and then the direction of the clamping member 2 is adjusted by the first driving member 6. During the adjustment process, the cylinder body of the plunger pump and the clamping member 2 always move synchronously, and do not need to be fixed again. After the direction of the clamping member 2 is adjusted, the other end of the cylinder body of the plunger pump is pressed by the pressing part 4, and the machining can continue. The adjustment is convenient, and does not need to be re-aligned, thereby improving the machining precision and machining efficiency during the machining of the plunger pump.

[0061] Specifically, the two ends of the support frame 1 are respectively provided with the clamping piece 2 and the oppositely arranged pressing part 4 and the support block 3 for fixing the two ends of the plunger pump cylinder body. When the plunger pump cylinder body needs to be processed, first, the one end of the plunger pump cylinder body is clamped by the clamping piece 2, then the pressing part 4 is rotated towards the support block 3, and the other end of the plunger pump cylinder body is fixed on the support block 3. At this time, one processing surface of the plunger pump cylinder body can be processed first, and then the inner cavity and the piston outlet of the plunger pump cylinder body can be processed. When the remaining processing planes need to be processed, first, the pressing part 4 is reversely rotated, at this time, the end of the plunger pump cylinder body away from the clamping piece 2 is in a free state, the clamping piece 2 is driven to rotate by the first driving piece 6, and the processing plane to be processed is supported above the support frame 1, and then the plunger pump cylinder body is pressed on the support block 3 by the pressing part 4, so that the remaining processing planes can be processed. The plunger pump cylinder body does not need to be frequently aligned during processing, the clamping process is simple and fast, and the processing efficiency of the plunger pump during processing is improved.

[0062] Further, it further comprises

[0063] The mounting plate 7 is arranged on the support frame 1.

[0064] The first telescopic piece 8 is arranged on the mounting plate 7, and one end of the pressing part 4 is hingedly arranged on the output end of the first telescopic piece 8.

[0065] The vertical plate 9 is arranged on the mounting plate 7.

[0066] The first connecting rod 10 is hingedly arranged at the two ends of the vertical plate 9 and the pressing part 4.

[0067] In the embodiment, the pressing part 4 is hingedly arranged with the first telescopic piece 8 and the first connecting rod 10 in sequence, and the pressing part 4 can be close to or away from the support block 3 by controlling the telescopic movement of the first telescopic piece 8. The first connecting rod 10 is hingedly arranged on the vertical plate 9, and the first telescopic piece 8 can drive the pressing part 4 to be close to or away from the support block 3 by the arrangement of the vertical plate 9 and the first connecting rod 10. It is not necessary to increase other support structures above the support frame 1, which is convenient for the arrangement of the first telescopic piece 8. The space above the support frame 1 is reserved for the processing equipment to process the processing surface on the side wall of the plunger pump cylinder body.

[0068] Further, it further comprises

[0069] The second telescopic piece 11 is arranged on the lower surface of the support frame 1, the output end of the second telescopic piece 11 penetrates through the support frame 1, the mounting plate 7 is connected with the output end of the second telescopic piece 11, and the second telescopic piece 11 is used to drive the mounting plate 7 to ascend and descend.

[0070] A guide rod 12 is slidably arranged on the support frame 1, one end of the guide rod 12 is connected with the lower surface of the mounting plate 7, and the other end of the guide rod 12 penetrates the support frame 1.

[0071] In the embodiment, in order to make the pressing part 4 keep horizontal when pressing the plunger pump cylinder of different diameters, the plunger pump cylinder can keep horizontal, and the universality of the tool for machining the plunger pump is improved, the second telescopic part 11 is arranged on the support frame 1, the mounting plate 7 can be driven to slide on the support frame 1 through the second telescopic part 11, and then the height of the support block 3 and the pressing part 4 is adjusted, so that the two ends of the plunger pump cylinder of different diameters can be kept at the same height after being fixed. The guide rod 12 is slidably arranged on the support frame 1 and connected with the mounting plate 7, so that the stability of the mounting plate 7 during lifting is improved.

[0072] Further, the clamping part 2 comprises

[0073] A rotating frame 13 is rotatably arranged on the support frame 1, and the rotating frame 13 has a partition layer 14;

[0074] A plurality of limiting seats 15 are circumferentially and intervaliy arranged on the rotating frame 13, and a rotating space is formed between the plurality of limiting seats 15 and the rotating frame 13;

[0075] A rotating plate 16 is rotatably arranged on the rotating frame 13;

[0076] A plurality of second connecting rods 17 are provided, the plurality of second connecting rods 17 and the plurality of limiting seats 15 are one-to-one corresponding, one end of the second connecting rod 17 is rotatably arranged on the rotating plate 16, and the other end of the second connecting rod 17 is radially and slidably arranged on the limiting seat 15 relative to the rotating plate 16;

[0077] A plurality of clamping blocks 18 are arranged eccentrically on the second connecting rod 17 away from the limiting seat 15, the plurality of clamping blocks 18 are close to each other to form a clamping space, and one end of the plunger pump cylinder is located in the clamping space;

[0078] A second driving part 19 is arranged in the partition layer 14, and the second driving part 19 is used for driving the rotating plate 16 to rotate.

[0079] In the embodiment, the clamping member 2 is composed of a rotating frame 13, a limiting seat 15, a rotating plate 16, a second connecting rod 17, a clamping block 18 and a second driving member 19. The rotating frame 13 is rotatably arranged on the support frame 1. The rotating frame 13 is driven to rotate by the first driving member 6, so that the direction of the rotating frame 13 can be adjusted. The rotating plate 16 is rotatably arranged on the rotating frame 13. A plurality of limiting seats 15 are circumferentially and interval arranged on the rotating frame 13. In the process of rotating the rotating plate 16, the second connecting rod 17 slides along the limiting seat 15, and the sliding direction is along the radial direction of the rotating plate 16. At this time, the other end of the second connecting rod 17 rotates on the rotating plate 16. The clamping block 18 rotates with the second connecting rod 17. Since the clamping block 18 is eccentrically arranged on the second connecting rod 17, the clamping space formed between the plurality of clamping blocks 18 changes in the process of rotating the clamping block 18. By driving the rotating plate 16 to rotate at different angles by the second driving member 19, the clamping of the plunger pump cylinder body with different diameters can be realized, and the versatility of the tool for plunger pump processing is increased.

[0080] Further, the limiting seat 15 is provided with a guide groove 20. One end of the guide groove 20 points to the rotating center of the rotating plate 16. One end of the second connecting rod 17 is slidably arranged in the guide groove 20. Further comprising

[0081] A limiting plate 21 is arranged at one end of the limiting seat 15 close to the rotating plate 16. The limiting plate 21 is distributed at intervals with the rotating frame 13. The rotating plate 16 is located between the limiting plate 21 and the rotating frame 13.

[0082] In the embodiment, the limiting seat 15 is provided with the guide groove 20, which extends to the limiting plate 21, so as to increase the clamping range of the clamping member 2. The limiting plate 21 and the rotating member 13 have an interval. The rotating plate 16 is located between the rotating frame 13 and the limiting plate 21, so that the structure of the clamping member 2 is more stable.

[0083] Further, further comprising

[0084] A third connecting rod 22 is provided. A plurality of third connecting rods 22 are circumferentially and interval arranged on the rotating plate 16.

[0085] A pressing ring 23 is arranged at the other end of the third connecting rod 22.

[0086] A connecting shaft 24 is arranged at one end of the second connecting rod 17. The axis of the connecting shaft 24 coincides with the rotating center of the second connecting rod 17 on the rotating plate 16. The other end of the connecting shaft 24 is hingedly connected with the pressing ring 23.

[0087] In the embodiment, the third connecting rod 22 connects the rotating plate 16 and the pressing ring 23 together, the connecting shaft 24 and the second connecting rod 17 are connected together, the other end of the connecting shaft 24 is rotatably arranged on the pressing ring 23, at this time, the second connecting rod 17 and the clamping block 18 are located between the rotating plate 16 and the pressing ring 23, which can further improve the stability of the clamping member 2 when moving, and improve the reliability of the plunger pump cylinder body when clamped by the clamping member 2.

[0088] Further, it further comprises

[0089] The baffle 25 has two, one baffle 25 is arranged at one end of the support frame 1, and the other baffle 25 is slidably arranged at the other end of the support frame 1, and the two baffles 25 and the upper end of the support frame 1 form a U-shaped frame;

[0090] The third telescopic member 26 is arranged on the support frame 1, and the third telescopic member 26 is used to drive one baffle 25 to slide along the support frame 1;

[0091] The collecting hopper 27 is arranged below the opening of the U-shaped frame;

[0092] The air outlet 28 is arranged on the sliding baffle 25, and the air outlet 28 is located in the U-shaped frame.

[0093] In the embodiment, the two baffles 25 and the support frame 1 form a U-shaped frame together, which reduces the splashing of debris during processing. After processing is completed, the third telescopic member 26 can drive one baffle 25 to slide, and at the same time, the air outlet 28 blows air to gather the debris on the support frame 1 to the side of the fixed baffle 25, which is convenient for collecting the debris into the collecting hopper 27.

[0094] Further, it further comprises

[0095] The air bag 29 is arranged on the sliding baffle 25, and the air bag 29 is located in the U-shaped frame. The surface of the air bag 29 has a plurality of elastic protrusions 30.

[0096] In this embodiment, after the debris is cleaned, the air tightness of the plunger pump cylinder body can be preliminarily inspected. When the third telescopic part 26 drives the baffle 25 to move, the air bag 29 on the baffle 25 moves to the side close to the cylinder body. After the baffle 25 is moved to the position, air is filled into the air bag 29, the compression part 4 loosens one end of the plunger pump cylinder body, the clamping part 2 is rotated to make the oil inlet and outlet of the plunger pump face the air bag 29. In the process of air filling of the air bag 29, the elastic protrusion 30 enters the oil inlet and outlet. After the elastic protrusion 30 and the air bag 29 are inflated, the oil inlet and outlet are sealed. At this time, air is filled into the inner cavity of the plunger pump cylinder body through the piston outlet, so that the air tightness of the plunger pump cylinder body can be preliminarily inspected. When the oil inlet and outlet on the plunger pump cylinder body are not located on the same machining surface, one of the oil inlet and outlet can be sealed by the air bag 29 and the elastic protrusion 30, and the corresponding type of piston is fixedly installed in the inner cavity of the plunger pump cylinder body. At this time, air is filled into the inner cavity of the plunger pump cylinder body through the other oil inlet or outlet which is not sealed, so that the air tightness can be inspected.

[0097] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A jig for processing a plunger pump, characterized by, The utility model relates to a support frame (1); Clamping piece (2), clamping piece (2) rotation is arranged on support frame (1), clamping piece (2) is used for clamping the one end of plunger pump cylinder body; Support block (3), support block (3) is arranged on support frame (1); Pressing part (4), pressing part (4) rotation is arranged on support frame (1), after pressing part (4) is rotated to support block (3), pressing part (4) and support block (3) form the pressing space (5) between, the other end of plunger pump cylinder body is located in pressing space (5); First drive (6), first drive (6) is arranged on support frame (1), and first drive (6) is used for driving clamping piece (2) rotation; Mounting plate (7), mounting plate (7) is arranged on support frame (1); First telescopic part (8), first telescopic part (8) is arranged on mounting plate (7), and one end of pressing part (4) is hingedly arranged on the output end of first telescopic part (8); Vertical plate (9), vertical plate (9) is arranged on mounting plate (7); First connecting rod (10), first connecting rod (10) both ends are hingedly arranged on vertical plate (9) and pressing part (4) respectively; Second telescopic part (11), second telescopic part (11) is arranged on the lower surface of support frame (1), the output end of second telescopic part (11) penetrates support frame (1), mounting plate (7) is connected with the output end of second telescopic part (11), and second telescopic part (11) is used to drive mounting plate (7) to go up and down; Guide rod (12), guide rod (12) is slidably arranged on support frame (1), one end of guide rod (12) is connected with the lower surface of mounting plate (7), and the other end of guide rod (12) penetrates support frame (1); The clamping piece (2) includes Rotating frame (13), rotating frame (13) rotation is arranged on support frame (1), and rotating frame (13) has a partition (14); Limiting seat (15), the limiting seat (15) has a plurality of, a plurality of limiting seat (15) circumferential interval is arranged on rotating frame (13), and a plurality of limiting seat (15) and rotating frame (13) form rotation space between; Rotating plate (16), rotating plate (16) rotation is arranged on rotating frame (13); Second connecting rod (17), the second connecting rod (17) has a plurality of, a plurality of second connecting rod (17) and a plurality of limiting seat (15) one-to-one, one end of second connecting rod (17) rotation is arranged on rotating plate (16), and the other end of second connecting rod (17) is about radially slidingly arranged on limiting seat (15) on rotating plate (16) ​ Clamping blocks (18) are circular, and the clamping blocks (18) are eccentrically arranged at one end of the second connecting rod (17) away from the limiting seat (15), and a plurality of clamping blocks (18) form a clamping space after being close to each other, and one end of the plunger pump cylinder is located in the clamping space; A second driving member (19) is arranged in the partition layer (14), and the second driving member (19) is used for driving the rotating plate (16) to rotate; Wherein, the limiting seat (15) has a guide groove (20) at one end of the rotating center of the rotating plate (16), and the second connecting rod (17) is slidably arranged in the guide groove (20), further comprising A limiting plate (21) is arranged at one end of the limiting seat (15) close to the rotating plate (16), and the limiting plate (21) is spaced apart from the rotating frame (13), and the rotating plate (16) is located between the limiting plate (21) and the rotating frame (13); Further comprising A third connecting rod (22) has a plurality of third connecting rods (22) arranged circumferentially on the rotating plate (16); A compression ring (23) is arranged at the other end of the third connecting rod (22); A connecting shaft (24) is arranged at one end of the second connecting rod (17), and the axis of the connecting shaft (24) coincides with the rotating center of the second connecting rod (17) on the rotating plate (16), and the other end of the connecting shaft (24) is hinged with the compression ring (23).

2. The jig for processing of a plunger pump according to claim 1, characterized by Further comprising A baffle (25) has two baffles (25), one baffle (25) is arranged at one end of the support frame (1), and the other baffle (25) is slidably arranged at the other end of the support frame (1), and the two baffles (25) and the upper end of the support frame (1) form a U-shaped frame; A third telescopic member (26) is arranged on the support frame (1), and the third telescopic member (26) is used for driving one baffle (25) to slide along the support frame (1); A collecting hopper (27) is arranged below the opening of the U-shaped frame; An air outlet (28) is arranged on the sliding baffle (25), and the air outlet (28) is located in the U-shaped frame.

3. The plunger pump machining tooling of claim 2, wherein, Further comprising An air bag (29) is arranged on the sliding baffle (25), and the air bag (29) is located in the U-shaped frame, and the surface of the air bag (29) has a plurality of elastic protrusions (30).

Citation Information

Patent Citations

  • Mechanical chuck clamp and workpiece double-face assembly machine

    CN114619063A

  • Polar coordinate flange drilling workbench

    CN211162048U