Plunger pump cylinder body machining tool

Abstract

The utility model discloses a plunger pump cylinder body machining tool, and relates to the technical field of machining tools, the plunger pump cylinder body machining tool comprises a fixed connecting plate, a cast iron mounting block is fixed at the bottom of the fixed connecting plate, and an auxiliary positioning device is arranged at the top of the fixed connecting plate; the device is provided with the auxiliary positioning device, so that the auxiliary limiting effect is achieved, the accurate positioning size of a workpiece can be guaranteed, assembly errors are avoided, the manufacturing precision can be improved, the production efficiency can be improved, and the purpose of guaranteeing the product quality is achieved; the device is provided with a locking thread stabilizing device, a nut is arranged at the bottom of the outer side of the pressing screw, and the corresponding face of a stable limiting plate at one end of a guide limiting rod is attached to the outer side of the corresponding face of the nut on the outer side of the pressing screw, so that positioning and reinforcing of the nut at the bottom of the outer side of the pressing screw are completed, and it is guaranteed that the locking screw is not loosened after a part is installed; and the overall installation stability is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of processing tooling, in particular to a processing tooling for a plunger pump cylinder. Background Art

[0002] The plunger pump is a key component in hydraulic systems. It relies on the reciprocating motion of the plunger within the cylinder, causing the volume of the sealed working chamber to change, thereby achieving oil suction and pressure. Plunger pumps offer advantages such as high rated pressure, compact structure, high efficiency, and easy flow regulation. They are widely used in applications requiring high pressure, high flow, and where flow regulation is required, such as hydraulic presses, construction machinery, and ships. During the production and processing of plunger pump cylinders, tooling is required to position them for easy processing.

[0003] A Chinese patent discloses a tool for processing a plunger pump cylinder (authorization announcement number CN 208034415 U. The patented technology includes a base plate and a side wall, the side wall has an inwardly curved depression, the base plate is provided with a through hole, the tool for processing the plunger pump cylinder includes a base, a pair of rotating oil cylinders fixed on the base, a positioning plate fixed on the base, and a tension and expansion mechanism fixed on the base, the positioning plate is in contact with the outer surface of the base plate, the positioning plate is provided with a positioning protrusion corresponding to the side wall, a swing arm is fixed to the rotating shaft of the rotating oil cylinder, the swing arm is used to cooperate with the depression to clamp the plunger pump cylinder, the tension and expansion mechanism includes a pull rod passing through the positioning plate, an expansion sleeve sleeved outside the pull rod, a support sleeve, and a driving device for driving the pull rod to extend and retract, the pull rod is provided with an extrusion end near the end facing away from the driving device, and the extrusion end is used to cooperate with the step surface of the support sleeve to squeeze the expansion sleeve to expand.

[0004] However, the aforementioned machining tooling is not easy to ensure accurate positioning of the workpiece during use, which may cause assembly errors and the locking screw may loosen after the parts are installed. Therefore, those skilled in the art have provided a plunger pump cylinder machining tooling to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a plunger pump cylinder processing tool to solve the problems raised in the prior art.

[0006] A plunger pump cylinder processing tooling includes a fixed connecting plate, a cast iron mounting block is fixed to the bottom of the fixed connecting plate, an auxiliary positioning device is provided on the top of the fixed connecting plate, a tooling fixture is installed in the fixed connecting plate, a locking thread stabilization device is fixed to the bottom of the fixed connecting plate, a compression screw is installed through the bottom of the fixed connecting plate, a workpiece A surface is provided on the top of the fixed connecting plate, and a workpiece B surface is provided on the top of the fixed connecting plate;

[0007] The auxiliary positioning device includes an L-shaped bracket, a stable cast iron block is fixed on one side of the L-shaped bracket, a cast iron reinforcement block is fixed on the inner wall of one side of the L-shaped bracket, an electric push rod is fixed on the side of the cast iron reinforcement block away from the L-shaped bracket, a cast iron moving rod is fixed on the top of the L-shaped bracket, one end of the cast iron moving rod is rotatably connected to a rotating connecting frame via a rotating shaft, a guide mounting bracket is fixed on the top of the L-shaped bracket, the outer side of the guide mounting bracket is rotatably connected to a rotating cast iron frame via a rotating shaft, one end of the rotating cast iron frame is rotatably connected to the rotating connecting frame via a rotating shaft, and a stable limiting frame is fixed on the outer side of the rotating connecting frame.

[0008] As a further solution of the present invention: the L-shaped bracket and the stable cast iron block are both embedded and fixed inside the fixed connecting plate, and a groove adapted to the size of the rotating cast iron frame is opened inside the rotating connecting frame.

[0009] As a further solution of the present invention: a through hole is provided inside the L-shaped bracket, and the size of the through hole is adapted to the size of the cast iron moving rod.

[0010] As a further solution of the present invention: the locking thread stabilization device includes a fixed shell, a support mounting block is fixed on the top of the fixed shell, a tension spring is fixed on the inner wall of one side of the fixed shell, the end of the tension spring away from the fixed shell is connected to a movable carbon steel plate, a movable guide block is fixed on the top of the movable carbon steel plate, a movable guide column is fixed on one side of the movable carbon steel plate, and a handle mounting pad is installed on one end of the movable guide column.

[0011] As a further solution of the present invention: a guide limit rod is fixed to a side of the handle mounting pad away from the movable guide column, and a stabilizing limit plate is installed at one end of the guide limit rod.

[0012] As a further solution of the present invention: the support mounting block and the fixed connecting plate are fixedly connected, the outer side of the clamping screw is threadedly connected with a nut, and the corresponding surface of the nut is in contact with one side of the stabilizing limit plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This device is equipped with an auxiliary positioning device. When the workpiece surface A and the workpiece surface B are placed on the top of the fixed connecting plate, first ensure that there is no foreign matter on the contact surface between the fixture and the part, then start the electric push rod at the bottom of the L-shaped bracket, and drive the cast iron moving rod to move through the output shaft of the electric push rod, so that the cast iron moving rod drives one end of the rotating connecting frame to rotate, so that the corresponding surface of the stable limit frame outside the rotating connecting frame fits on the outside of the corresponding workpiece surface A or workpiece surface B, which plays the role of auxiliary limit, can ensure the positioning size of the workpiece accurately, avoid assembly errors, improve manufacturing accuracy, and improve production efficiency, so as to achieve the purpose of ensuring product quality;

[0015] 2. This device is equipped with a locking thread stabilizing device. After the compression screw is assembled, the corresponding workpiece A surface or workpiece B surface is locked by the compression screw. At this time, a nut is provided at the bottom outside the compression screw, and the corresponding surface of the stabilizing limit plate at one end of the guide limit rod is attached to the outside of the corresponding surface of the nut on the outside of the compression screw, thereby completing the positioning and reinforcement of the nut at the bottom outside the compression screw, ensuring that the locking screw is not loose after the parts are installed, and further improving the overall installation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the plunger pump cylinder processing tooling of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the auxiliary positioning device of the plunger pump cylinder processing tooling of the utility model;

[0018] Figure 3 A three-dimensional diagram of the auxiliary positioning device for the plunger pump cylinder processing tooling of the utility model;

[0019] Figure 4 This is a structural schematic diagram of the locking thread stabilizing device of the plunger pump cylinder processing tooling of the utility model.

[0020] Numbers in the figure: 1. Fixed connecting plate; 2. Cast iron mounting block; 3. Auxiliary positioning device; 31. L-shaped bracket; 32. Stabilizing cast iron block; 33. Cast iron reinforcement block; 34. Electric push rod; 35. Cast iron moving rod; 36. Rotating connecting frame; 37. Guide mounting bracket; 38. Rotating cast iron frame; 39. Stabilizing limit frame; 4. Fixture; 5. Locking thread stabilizing device; 51. Fixed shell; 52. Support mounting block; 53. Tension spring; 54. Moving carbon steel plate; 55. Moving guide block; 56. Moving guide column; 57. Handle mounting pad; 58. Guide limit rod; 59. Stabilizing limit plate; 6. Pressing screw; 7. Workpiece surface A; 8. Workpiece surface B. DETAILED DESCRIPTION

[0021] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 3 The utility model provides a plunger pump cylinder processing tool, including a fixed connecting plate 1, a cast iron mounting block 2 is fixed to the bottom of the fixed connecting plate 1, an auxiliary positioning device 3 is provided on the top of the fixed connecting plate 1, a tool fixture 4 is installed in cooperation with the interior of the fixed connecting plate 1, a locking thread stabilizing device 5 is fixed to the bottom of the fixed connecting plate 1, a pressing screw 6 passing through the bottom of the fixed connecting plate 1 is plugged and installed, a workpiece A surface 7 is provided on the top of the fixed connecting plate 1, and a workpiece B surface 8 is provided on the top of the fixed connecting plate 1;

[0023] The auxiliary positioning device 3 includes an L-shaped bracket 31, a stable cast iron block 32 is fixed to one side of the L-shaped bracket 31, a cast iron reinforcement block 33 is fixed to the inner wall of one side of the L-shaped bracket 31, an electric push rod 34 is fixed to the side of the cast iron reinforcement block 33 away from the L-shaped bracket 31, a cast iron moving rod 35 is fixed to the top of the L-shaped bracket 31, one end of the cast iron moving rod 35 is rotatably connected to a rotating connecting frame 36 through a rotating shaft, and a through hole is opened inside the L-shaped bracket 31, and the size of the through hole is the same as that of the cast iron moving rod 3 5, a guide mounting bracket 37 is fixed to the top of the L-shaped bracket 31, and a rotating cast iron frame 38 is rotatably connected to the outer side of the guide mounting bracket 37 through a rotating shaft. One end of the rotating cast iron frame 38 is rotatably connected to the rotating connecting frame 36 through a rotating shaft, and a stable limit frame 39 is fixed to the outer side of the rotating connecting frame 36. The L-shaped bracket 31 and the stable cast iron block 32 are both embedded and fixed in the interior of the fixed connecting plate 1, and a groove adapted to the size of the rotating cast iron frame 38 is opened inside the rotating connecting frame 36.

[0024] During use of this device, when the workpiece A surface 7 and the workpiece B surface 8 are placed on the top of the fixed connecting plate 1, first ensure that there are no foreign objects on the contact surface between the tooling fixture 4 and the parts, and then start the electric push rod 34 at the bottom of the L-shaped bracket 31, and drive the cast iron moving rod 35 to move through the output shaft of the electric push rod 34, so that the cast iron moving rod 35 drives one end of the rotating connecting frame 36 to rotate, so that the corresponding surface of the stable limit frame 39 on the outside of the rotating connecting frame 36 is attached to the outside of the corresponding workpiece A surface 7 or the workpiece B surface 8. At this time, one end of the rotating cast iron frame 38 can rotate on the outside of the guide mounting bracket 37, and after the corresponding surface of the stable limit frame 39 is attached to the outside of the corresponding workpiece A surface 7 or the workpiece B surface 8, it plays an auxiliary limiting role, which can ensure the accurate positioning size of the workpiece, avoid assembly errors, and improve manufacturing accuracy.

[0025] See also Figure 1 and Figure 4The present invention provides a plunger pump cylinder processing tooling, the locking thread stabilizing device 5 includes a fixed shell 51, a support mounting block 52 is fixed on the top of the fixed shell 51, a tension spring 53 is fixed to the inner wall of one side of the fixed shell 51, and the end of the tension spring 53 away from the fixed shell 51 is connected to a movable carbon steel plate 54, and a movable guide block 55 is fixed on the top of the movable carbon steel plate 54, and a movable guide column 56 is fixed on one side of the movable carbon steel plate 54, and a handle mounting pad 57 is installed at one end of the movable guide column 56, and a guide limit rod 58 is fixed on the side of the handle mounting pad 57 away from the movable guide column 56, and a stabilizing limit plate 59 is installed at one end of the guide limit rod 58, the support mounting block 52 and the fixed connecting plate 1 are fixedly connected, and a nut is threadedly connected to the outer side of the tightening screw 6, and the corresponding surface of the nut is in contact with one side of the stabilizing limit plate 59.

[0026] During use of this device, after the clamping screw 6 is assembled, the corresponding workpiece A surface 7 or workpiece B surface 8 is locked by the clamping screw 6. At this time, a nut is provided at the bottom outer side of the clamping screw 6, and the upper top surface of the nut is in contact with the lower bottom surface of the fixed connecting plate 1. The carbon steel plate 54 is moved horizontally by the tension spring 53 in the fixed shell 51, so that the movable carbon steel plate 54 drives the movable guide column 56 and the guide limit rod 58 to move, and the corresponding surface of the stable limit plate 59 at one end of the guide limit rod 58 is in contact with the outer side of the corresponding surface of the nut on the outer side of the clamping screw 6, thereby completing the positioning and reinforcement of the nut at the bottom outer side of the clamping screw 6, ensuring that the locking screw is not loose after the parts are installed.

[0027] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A plunger pump cylinder processing tool, comprising a fixed connecting plate (1), characterized in that: A cast iron mounting block (2) is fixed to the bottom of the fixed connecting plate (1), an auxiliary positioning device (3) is provided on the top of the fixed connecting plate (1), a fixture (4) is installed in cooperation with the interior of the fixed connecting plate (1), a locking thread stabilizing device (5) is fixed to the bottom of the fixed connecting plate (1), a pressing screw (6) passing through the bottom of the fixed connecting plate (1) is installed on the top of the fixed connecting plate (1), a workpiece A surface (7) is provided on the top of the fixed connecting plate (1), and a workpiece B surface (8) is provided on the top of the fixed connecting plate (1); The auxiliary positioning device (3) comprises an L-shaped bracket (31), a stable cast iron block (32) is fixed on one side of the L-shaped bracket (31), a cast iron reinforcement block (33) is fixed on the inner wall of one side of the L-shaped bracket (31), an electric push rod (34) is fixed on the side of the cast iron reinforcement block (33) away from the L-shaped bracket (31), a cast iron moving rod (35) is fixed on the top of the L-shaped bracket (31), one end of the cast iron moving rod (35) is rotatably connected to a rotating connecting frame (36) via a rotating shaft, a guide mounting bracket (37) is fixed on the top of the L-shaped bracket (31), the outer side of the guide mounting bracket (37) is rotatably connected to a rotating cast iron frame (38) via a rotating shaft, one end of the rotating cast iron frame (38) is rotatably connected to the rotating connecting frame (36) via a rotating shaft, and a stable limiting frame (39) is fixed on the outer side of the rotating connecting frame (36).

2. The plunger pump cylinder processing tool according to claim 1, characterized in that: The L-shaped bracket (31) and the stable cast iron block (32) are both embedded and fixed inside the fixed connecting plate (1), and a groove having a size adapted to that of the rotating cast iron frame (38) is provided inside the rotating connecting frame (36).

3. The plunger pump cylinder processing tool according to claim 1, characterized in that: A through hole is provided inside the L-shaped bracket (31), and the size of the through hole matches the size of the cast iron moving rod (35).

4. The plunger pump cylinder processing tool according to claim 1, characterized in that: The locking thread stabilizing device (5) comprises a fixed shell (51), a support mounting block (52) is fixed on the top of the fixed shell (51), a tension spring (53) is fixed on the inner wall of one side of the fixed shell (51), the tension spring (53) is connected to a movable carbon steel plate (54) at one end away from the fixed shell (51), a movable guide block (55) is fixed on the top of the movable carbon steel plate (54), a movable guide column (56) is fixed on one side of the movable carbon steel plate (54), and a handle mounting pad (57) is installed on one end of the movable guide column (56).

5. The plunger pump cylinder processing tool according to claim 4, characterized in that: A guide limit rod (58) is fixed to the side of the handle mounting pad (57) away from the movable guide column (56), and a stabilizing limit plate (59) is installed at one end of the guide limit rod (58).

6. The plunger pump cylinder processing tool according to claim 5, characterized in that: The support mounting block (52) and the fixed connection plate (1) are fixedly connected, the outer side of the compression screw (6) is threadedly connected to a nut, and the corresponding surface of the nut is in contact with one side of the stabilizing limit plate (59).

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