Pump body positioning sleeve press-fitting workbench for assembling oil pump

Abstract

The utility model discloses a pump body positioning sleeve press-fitting workbench for assembling an oil pump, and relates to the technical field of press-fitting workbenches, the pump body positioning sleeve press-fitting workbench comprises a workbench rack, a guardrail, a servo press-fitting mechanism, a positioning mechanism and a workpiece lifting mechanism, the guardrail is installed on the top surface of the workbench rack; the servo press-fitting mechanism is mounted in the guardrail and is arranged close to the front side; the positioning mechanism is arranged at the bottom of the servo press-fitting mechanism; the workpiece lifting mechanism is installed below a workbench plate of the workbench rack, and the workpiece lifting mechanism and the positioning mechanism can position the oil pump. The positioning mechanism comprises an upper positioning seat, a first mold closing pin is arranged at the front end of the bottom face of the upper positioning seat, a spring abuts against the position between a protruding part at the bottom end of the first mold closing pin and the bottom face of the upper positioning seat, and the spring is arranged on a vertical part of the first mold closing pin in a sleeving mode. According to the press-fitting tool, a positioning reference is provided for pressing the pump body positioning pin of the oil pump into the positioning hole, and the press-fitting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of press-fitting workbenches, in particular to a press-fitting workbench for a pump body positioning sleeve used for assembling an oil pump. Background Art

[0002] The oil pump pressurizes the oil in the oil pan and sends it to the oil filter and various lubricating oil channels to lubricate the main moving parts of the engine and filter the oil. When the oil pump is produced and processed, the various components need to be assembled together.

[0003] During the manufacturing process of the oil pump, the bushing needs to be assembled to the fixed part of the oil pump cylinder. Traditional bushing installation generally adopts manual assembly, that is, the operator relies on a simple press rod to resist the bushing, and then manually hammers the press rod to press the bushing to the corresponding position. There are the following problems with manual press-fitting of bushings: inaccurate positioning during the press-fitting process causes the bushing in the cylinder body to be pressed off, and also causes the bushing hole to deform, making it difficult for the oil pump to rotate and affecting the engine lubrication; the operator's hand directly contacts the punch part of the press rod, which is easy to be crushed and there is a safety hazard; because the matching method between the cylinder body and the bushing is interference fit, the required press-fitting force is large, the labor intensity is high, and the production efficiency is low.

[0004] Therefore, those skilled in the art provide a pump body positioning sleeve press-fitting workbench for oil pump assembly to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The utility model provides a pump body positioning sleeve press-fitting workbench for assembling an oil pump, in which a pump body positioning pin of the oil pump is pressed into a positioning hole to provide a positioning reference and improve the press-fitting effect.

[0006] The utility model discloses a pump body positioning sleeve press-fitting workbench for assembling an oil pump, comprising:

[0007] A workbench frame, wherein the bottom end of the workbench frame is provided with a leveling foot;

[0008] A guardrail, wherein the guardrail is installed on the top surface of the workbench frame;

[0009] A servo press-fitting mechanism, wherein the servo press-fitting mechanism is installed in the guardrail and arranged close to the front side;

[0010] A positioning mechanism, wherein the positioning mechanism is arranged at the bottom of the servo press-fitting mechanism;

[0011] A workpiece lifting mechanism, wherein the workpiece lifting mechanism is installed below the worktable plate of the worktable frame, and the workpiece lifting mechanism and the positioning mechanism can position the oil pump;

[0012] The positioning mechanism includes an upper positioning seat, a first mold pin is arranged at the front end of the bottom surface of the upper positioning seat, a spring is abutted between the raised portion at the bottom end of the first mold pin and the bottom surface of the upper positioning seat, the spring is sleeved on the vertical portion of the first mold pin, the upper positioning seat is installed on the first slider seat through an adjusting seat, the first slider seat can move along the first linear guide rail, and the first slider seat is connected to the first cylinder through a cylinder pull plate.

[0013] Furthermore, an upper positioning plate is provided at the front end of the bottom surface of the upper positioning seat near the position of the first mold pin, and a second mold pin is provided at the bottom surface of the upper positioning plate near the end of the first mold pin, and the second mold pin and the first mold pin are staggered.

[0014] Furthermore, the workpiece lifting mechanism comprises:

[0015] A lifting bracket, the top end of which is mounted on the bottom surface of the workbench, and a lifting through hole is provided in the middle of the top plate of the lifting bracket;

[0016] A second slider seat, the second slider seat is installed on the bottom plate of the lifting bracket, the top end of the second slider seat passes through the lifting through hole, a second linear guide rail is arranged on the inner side of the second slider seat, the second linear guide rail is provided with a guide rail seat which can move along its length direction, the top end of the guide rail seat has a support plate, the support plate is provided with a first positioning pin and a second positioning pin, the first positioning pin and the second positioning pin are staggered.

[0017] Furthermore, a support column and two supporting bolts are also provided on the support plate, the two supporting bolts are provided on both sides of a first positioning pin located on the front side, and the support column is provided on one side of a second positioning pin located on the rear side.

[0018] Furthermore, the bottom of the guide rail seat protrudes outward away from the side of the second linear guide rail to form a mounting plate, the bottom surface of the mounting plate is connected to the output end of the second cylinder through a cylinder joint, the second cylinder is installed on the bottom surface of the base plate of the lifting bracket, and a limit pin and two buffers are installed on the end of the mounting plate away from the guide rail seat, and the two buffers are installed on both sides of the limit pin.

[0019] Furthermore, the servo press-fitting mechanism comprises:

[0020] A servo motor bracket, wherein the bottom end of the servo motor bracket is mounted on the top surface of the worktable, and the servo motor bracket is connected to the guardrail through a plurality of drag chain brackets;

[0021] A driving mechanism, wherein the driving mechanism is mounted on the top of the servo motor bracket;

[0022] A press-fitting mechanism connected to an output end of the driving mechanism;

[0023] A cylinder seat is arranged at the bottom of the servo motor bracket, and the first cylinder is installed on the cylinder seat.

[0024] Furthermore, the driving mechanism includes two staggered electric cylinders, the output end of each electric cylinder is connected to the floating joint through an electric cylinder joint, one electric cylinder is installed on the servo motor bracket through an electric cylinder seat, and the other electric cylinder is installed on a transition plate through an electric cylinder seat, and the transition plate is installed on the servo motor bracket, and an adjustment pad is arranged between the transition plate and the corresponding electric cylinder seat.

[0025] Furthermore, the pressing mechanism includes two guide pillars, the top ends of the two guide pillars are respectively connected to the corresponding floating joints, the bottom ends of the guide pillars are connected to the pressure head connecting seat through the oil-free sleeve, the pressure head connecting seat is connected to the pressure head seat, a bushing is embedded in the interior of the pressure head seat, a pressure head is arranged in the bushing, the bottom end of the pressure head extends out of the bushing, a pump body positioning sleeve is arranged on the bottom end of the pressure head; a pressure head pad is embedded in the top surface of the pressure head; a pressure sensor seat is arranged between the pressure head seat and the pressure head connecting seat, a pressure sensor is installed in the middle of the bottom surface of the pressure sensor seat, and the pressure sensor extends into the bushing.

[0026] Furthermore, an all-in-one panel is provided at the top of the front side of the guardrail, a display is provided in the middle of the front side of the all-in-one panel, a lighting lamp is provided above the display, and the all-in-one panel is located on the front side of the two electric cylinders.

[0027] Furthermore, safety gratings are respectively arranged on both sides of the front side of the guardrail, and a grating protective cover is provided on the outer side of the safety grating.

[0028] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0029] The utility model discloses a pump body positioning sleeve press-fitting workbench for assembling an oil pump, comprising:

[0030] In the above technical solution, the utility model provides a pump body positioning sleeve press-fitting workbench for oil pump assembly, which has the following beneficial effects:

[0031] 1. The upper positioning seat is driven up and down by the first cylinder, and then cooperates with the workpiece lifting mechanism to position the oil pump to be pressed, ensuring the pressing effect of the servo pressing mechanism and avoiding the situation where the pressing effect is affected by displacement.

[0032] 2. The first mold pin and the second mold pin on the upper positioning seat simultaneously position the oil pump to be pressed, and the first mold pin and the second mold pin are staggered to avoid displacement during the positioning process and make the positioning more accurate.

[0033] 3. The second slider seat reciprocates along the second linear guide rail, and the oil pump to be pressed is positioned and lifted by the staggered first locating pin and the second locating pin. At the same time, it cooperates with the second mold pin and the first mold pin to position the oil pump more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0035] Figure 1 A three-dimensional diagram of a pump body positioning sleeve press-fitting workbench for oil pump assembly provided in an embodiment of the utility model;

[0036] Figure 2 Figure 1 The main view;

[0037] Figure 3 for Figure 1 Side view of

[0038] Figure 4 for Figure 1 A top view of

[0039] Figure 5 for Figure 1 A three-dimensional diagram of the positioning mechanism;

[0040] Figure 6 for Figure 1 A three-dimensional diagram of the workpiece lifting mechanism;

[0041] Figure 7 for Figure 1 The front view of the middle servo press-fit mechanism;

[0042] Figure 8 for Figure 7 Side view of

[0043] Fig. 9 for Figure 8 A top view of

[0044] Fig.10 for Figure 7 Schematic diagram of the enlarged structure of part A in the middle.

[0045] Description of reference numerals:

[0046] 10. Workbench frame; 11. Leveling feet; 12. Workbench board;

[0047] 20. Guardrail; 21. All-in-one panel; 22. Display; 23. Lighting; 24. Grating protective cover;

[0048] 30. Upper positioning seat; 31. First mold clamping pin; 32. Second mold clamping pin; 33. Spring; 34. First slider seat; 35. First linear guide rail; 36. Cylinder pull plate; 37. First cylinder; 38. Upper positioning plate;

[0049] 400, lifting bracket; 401, lifting through hole; 402, second slider seat; 403, second linear guide rail; 404, guide rail seat; 405, support plate; 406, first positioning pin; 407, second positioning pin; 408, support column; 409, supporting bolt; 410, mounting plate; 411, cylinder joint; 412, second cylinder; 413, limit pin; 414, buffer;

[0050] 500, servo motor bracket; 501, drag chain bracket; 502, cylinder seat; 503, electric cylinder; 504, electric cylinder connector; 505, floating connector; 506, electric cylinder seat; 507, transition plate; 508, adjustment pad;

[0051] 510, guide column; 511, oil-free shaft sleeve; 512, pressure head connecting seat; 513, pressure head seat; 514, bushing; 515, pressure head; 516, pressure head pad; 517, pressure sensor seat; 518, pressure sensor; 60, pump body positioning sleeve. DETAILED DESCRIPTION

[0052] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0053] See also Figure 1-5 As shown;

[0054] The embodiment of the utility model discloses a pump body positioning sleeve press-fitting workbench for assembling an oil pump, comprising:

[0055] A workbench frame 10, wherein a leveling foot 11 is provided at the bottom end of the workbench frame 10;

[0056] A guardrail 20, wherein the guardrail 20 is mounted on the top surface of the workbench frame 10;

[0057] A servo press-fitting mechanism, which is installed in the guardrail 20 and is arranged close to the front side;

[0058] A positioning mechanism, wherein the positioning mechanism is arranged at the bottom of the servo press-fitting mechanism;

[0059] A workpiece lifting mechanism, wherein the workpiece lifting mechanism is installed below the worktable plate 12 of the worktable frame 10, and the workpiece lifting mechanism and the positioning mechanism can position the oil pump;

[0060] The positioning mechanism includes an upper positioning seat 30, a first mold pin 31 is provided at the front end of the bottom surface of the upper positioning seat 30, a spring 33 is abutted between the convex portion at the bottom end of the first mold pin 31 and the bottom surface of the upper positioning seat 30, and the spring 33 is sleeved on the vertical portion of the first mold pin 31. The upper positioning seat 30 is installed on the first slider seat 34 through the adjustment seat, and the first slider seat 34 can move along the first linear guide rail 35. The first slider seat 34 is connected to the first cylinder 37 through the cylinder pull plate 36. Limit blocks are respectively provided on both sides of the connection between the upper limit seat 30 and the adjustment seat, and the limit blocks are installed on the first slider seat 34.

[0061] During specific use, the upper positioning seat 30 is driven to move up and down by the first cylinder 37, and then cooperates with the workpiece lifting mechanism to position the oil pump to be pressed, thereby ensuring the pressing effect of the servo pressing mechanism and avoiding the situation where the pressing effect is affected by displacement.

[0062] An upper positioning plate 38 is provided at the front end of the bottom surface of the upper positioning seat 30 near the position of the first mold pin 31, and a second mold pin 32 is provided at the bottom surface of the upper positioning plate 38 near the end of the first mold pin 31. The second mold pin 32 and the first mold pin 31 are staggered.

[0063] The first mold pin 31 and the second mold pin 32 on the upper positioning seat 30 simultaneously position the oil pump to be pressed, and the first mold pin 31 and the second mold pin 32 are staggered to avoid displacement during the positioning process and make the positioning more accurate.

[0064] See also Figure 6 As shown;

[0065] The workpiece lifting mechanism comprises:

[0066] A lifting bracket 400, the top end of which is mounted on the bottom surface of the workbench 12, and a lifting through hole 401 is provided in the middle of the top plate of the lifting bracket 400;

[0067] The second slider seat 402 is mounted on the bottom plate of the lifting bracket 400. The top of the second slider seat 402 passes through the lifting hole 401. The second linear guide rail 403 is arranged on the inner side of the second slider seat 402. The second linear guide rail 403 is provided with a guide rail seat 404 that can move along its length direction. The top of the guide rail seat 404 has a support plate 405. The support plate 405 is provided with a first positioning pin 406 and a second positioning pin 407. The first positioning pin 406 and the second positioning pin 407 are staggered. Another limiting plate is respectively arranged on both sides of the middle of the guide rail seat 404, and the other limiting plate is installed on the second slider seat 402.

[0068] The second slider seat 402 reciprocates along the second linear guide rail 403, and positions and lifts the oil pump to be pressed by means of the staggered first positioning pin 406 and the second positioning pin 407, while cooperating with the second mold pin 32 and the first mold pin 31 to position the oil pump more accurately.

[0069] The support plate 405 is further provided with a support column 408 and two supporting bolts 409 . The two supporting bolts 409 are provided on both sides of the first positioning pin 406 located at the front side, and the support column 408 is provided on one side of the second positioning pin 407 located at the rear side.

[0070] When the first positioning pin 406 and the second positioning pin 407 position the oil pump, the top ends of the support column 408 and the two supporting screws 409 support the oil pump, limiting the degree of freedom of the oil pump, thereby achieving positioning.

[0071] The bottom of the guide rail seat 404 protrudes outward away from the side of the second linear guide rail 403 to form a mounting plate 410. The bottom surface of the mounting plate 410 is connected to the output end of the second cylinder 412 through a cylinder joint 411. The second cylinder 412 is installed on the bottom surface of the base plate of the lifting bracket 400. A limiting pin 413 and two buffers 414 are installed on the end of the mounting plate 410 away from the guide rail seat 404. The two buffers 414 are installed on both sides of the limiting pin 413.

[0072] When the second cylinder 412 lifts the guide rail seat 404, the two buffers 414 contact the top plate of the lifting bracket 400 to reduce the impact on the cylinder joint 411; when the limiting nail 413 contacts the top plate of the lifting bracket 400, it is the maximum height of the guide rail seat 404.

[0073] See also Figure 7-10 As shown;

[0074] The servo press-fitting mechanism comprises:

[0075] A servo motor bracket 500, wherein the bottom end of the servo motor bracket 500 is mounted on the top surface of the workbench 12, and the servo motor bracket 500 is connected to the guardrail 20 via a plurality of drag chain brackets 501;

[0076] A driving mechanism, the driving mechanism is installed on the top of the servo motor bracket 500;

[0077] A press-fitting mechanism connected to an output end of the driving mechanism;

[0078] A cylinder seat 502 is disposed at the bottom of the servo motor bracket 500 , and the first cylinder 37 is installed on the cylinder seat 502 .

[0079] After the positioning mechanism and the workpiece lifting structure have completed positioning of the oil pump to be press-fitted, the driving mechanism drives the press-fitting mechanism to press-fit the pump body positioning sleeve of the oil pump.

[0080] The driving mechanism includes two staggered electric cylinders 503, the output end of each electric cylinder 503 is connected to a floating joint 505 via an electric cylinder joint 504, one electric cylinder 503 is mounted on a servo motor bracket 500 via an electric cylinder seat 506, and the other electric cylinder 503 is mounted on a transition plate 507 via an electric cylinder seat 506, and the transition plate 507 is mounted on the servo motor bracket 500, and an adjustment pad 508 is arranged between the transition plate 507 and the corresponding electric cylinder seat 506.

[0081] The electric cylinder 503 drives the press-fitting mechanism to work through the electric cylinder joint 504 and the floating joint 505. The two electric cylinders 503 are respectively installed on the corresponding electric cylinder seats 506. One electric cylinder seat 506 is directly installed on the servo motor bracket 500, and the other electric cylinder seat 506 is installed on the servo motor bracket 500 through the transition plate 507, so that the two electric cylinders 503 are staggered to adapt to the press-fitting of the pump body positioning sleeve on the oil pump.

[0082] The press-fitting mechanism includes two guide pillars 510, the top ends of the two guide pillars 510 are connected to the corresponding floating joints 505 respectively, the bottom ends of the guide pillars 510 are connected to the pressure head connecting seat 512 through the oil-free shaft sleeve 511, and the pressure head connecting seat 512 is connected to the pressure head seat 513. A bushing 514 is embedded in the interior of the pressure head seat 513, and a pressure head 515 is arranged in the bushing 514. The bottom end of the pressure head 515 extends out of the bushing 514, and the pump body positioning sleeve 60 is sleeved on the bottom end of the pressure head 515; a pressure head pad 516 is embedded in the top surface of the pressure head 515; a pressure sensor seat 517 is arranged between the pressure head seat 513 and the pressure head connecting seat 512, and a pressure sensor 518 is installed in the middle of the bottom surface of the pressure sensor seat 517, and the pressure sensor 518 extends into the bushing 514. One end of the bushing 514 is located outside the lower end of the pressure head seat 513 , and the other end of the bushing 514 is embedded in the pressure head seat 513 .

[0083] The guide column 510 is driven by the corresponding electric cylinder 503 to drive the pump body positioning sleeve 60 on the pressure head 515 to move downward and be pressed into the corresponding position on the oil pump.

[0084] See also Figure 1-4 As shown;

[0085] An integrated machine panel 21 is provided at the top of the front side of the guardrail 20, a display 22 is provided in the middle of the front side of the integrated machine panel 21, and a lighting lamp 23 is provided above the display 22. The lighting lamp 23 is installed on the guardrail 20, and the integrated machine panel 21 is located in front of the two electric cylinders 503. The display 22 is used to display the pressing process.

[0086] Safety gratings are respectively arranged on both sides of the front side of the guardrail 20, and the outer side of the safety grating is covered with a grating protection cover 24. When material splashing occurs in the device, the safety grating can block it to avoid harm to the user.

[0087] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A pump body positioning sleeve press-fitting workbench for oil pump assembly, characterized in that: include: A workbench frame (10), wherein a leveling foot (11) is provided at the bottom end of the workbench frame (10); A guardrail (20), wherein the guardrail (20) is installed on the top surface of the workbench frame (10); A servo press-fitting mechanism, the servo press-fitting mechanism being installed in the guardrail (20) and arranged close to the front side; A positioning mechanism, wherein the positioning mechanism is arranged at the bottom of the servo press-fitting mechanism; A workpiece lifting mechanism, the workpiece lifting mechanism being installed below a worktable plate (12) of a worktable frame (10), the workpiece lifting mechanism and the positioning mechanism being capable of positioning the oil pump; The positioning mechanism comprises an upper positioning seat (30), a first mold pin (31) is arranged at the front end of the bottom surface of the upper positioning seat (30), a spring (33) is abutted between the raised portion at the bottom end of the first mold pin (31) and the bottom surface of the upper positioning seat (30), the spring (33) is sleeved on the vertical portion of the first mold pin (31), the upper positioning seat (30) is installed on the first slider seat (34) through an adjustment seat, the first slider seat (34) can move along the first linear guide rail (35), and the first slider seat (34) is connected to the first cylinder (37) through a cylinder pull plate (36).

2. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 1, characterized in that: An upper positioning plate (38) is arranged at the front end of the bottom surface of the upper positioning seat (30) near the position of the first mold pin (31), and a second mold pin (32) is arranged at the bottom surface of the upper positioning plate (38) near the end of the first mold pin (31), and the second mold pin (32) and the first mold pin (31) are staggered.

3. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 1, characterized in that: The workpiece lifting mechanism comprises: A lifting bracket (400), the top end of which is mounted on the bottom surface of the workbench (12), and a lifting through hole (401) is provided in the middle of the top plate of the lifting bracket (400); A second slider seat (402), the second slider seat (402) is installed on the bottom plate of the lifting bracket (400), the top end of the second slider seat (402) passes through the lifting hole (401), a second linear guide rail (403) is arranged on the inner side of the second slider seat (402), the second linear guide rail (403) is provided with a guide rail seat (404) that can move along its length direction, the top end of the guide rail seat (404) has a support plate (405), the support plate (405) is provided with a first positioning pin (406) and a second positioning pin (407), the first positioning pin (406) and the second positioning pin (407) are staggered.

4. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 3, characterized in that: The support plate (405) is also provided with a support column (408) and two supporting bolts (409), wherein the two supporting bolts (409) are arranged on both sides of a first positioning pin (406) located on the front side, and the support column (408) is arranged on one side of a second positioning pin (407) located on the rear side.

5. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 3, characterized in that: The bottom of the guide rail seat (404) protrudes outward away from the side of the second linear guide rail (403) to form a mounting plate (410), and the bottom surface of the mounting plate (410) is connected to the output end of the second cylinder (412) through a cylinder joint (411). The second cylinder (412) is installed on the bottom surface of the base plate of the lifting bracket (400). A limit pin (413) and two buffers (414) are installed on the end of the mounting plate (410) away from the guide rail seat (404), and the two buffers (414) are installed on both sides of the limit pin (413).

6. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 1, characterized in that: The servo press-fitting mechanism comprises: A servo motor bracket (500), wherein the bottom end of the servo motor bracket (500) is mounted on the top surface of the workbench (12), and the servo motor bracket (500) is connected to the guardrail (20) via a plurality of drag chain brackets (501); A driving mechanism, the driving mechanism being mounted on the top of the servo motor bracket (500); A press-fitting mechanism connected to an output end of the driving mechanism; A cylinder seat (502) is provided at the bottom of the servo motor bracket (500), and the first cylinder (37) is installed on the cylinder seat (502).

7. A pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 6, characterized in that: The driving mechanism comprises two staggered electric cylinders (503), the output end of each electric cylinder (503) is connected to a floating joint (505) via an electric cylinder joint (504), one electric cylinder (503) is mounted on a servo motor bracket (500) via an electric cylinder seat (506), and the other electric cylinder (503) is mounted on a transition plate (507) via an electric cylinder seat (506), the transition plate (507) is mounted on the servo motor bracket (500), and an adjustment pad (508) is arranged between the transition plate (507) and the corresponding electric cylinder seat (506).

8. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 7, characterized in that: The press-fitting mechanism comprises two guide pillars (510), the top ends of the two guide pillars (510) are respectively connected to the corresponding floating joints (505), the bottom ends of the guide pillars (510) pass through the oil-free shaft sleeve (511) and are connected to the pressure head connecting seat (512), the pressure head connecting seat (512) is connected to the pressure head seat (513), a bushing (514) is embedded in the interior of the pressure head seat (513), a pressure head (515) is arranged in the bushing (514), and the pressure head The bottom end of the pump (515) extends out of the bushing (514), and the pump body positioning sleeve (60) is sleeved on the bottom end of the pressure head (515); a pressure head pad (516) is embedded in the top surface of the pressure head (515); a pressure sensor seat (517) is arranged between the pressure head seat (513) and the pressure head connecting seat (512), and a pressure sensor (518) is installed in the middle of the bottom surface of the pressure sensor seat (517), and the pressure sensor (518) extends into the bushing (514).

9. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 7, characterized in that: An integrated machine panel (21) is arranged at the top of the front side of the guardrail (20), a display (22) is arranged in the middle of the front side of the integrated machine panel (21), an illuminating lamp (23) is arranged above the display (22), and the integrated machine panel (21) is located in front of the two electric cylinders (503).

10. The pump body positioning sleeve press-fitting workbench for oil pump assembly according to claim 1, characterized in that: Safety gratings are respectively arranged on both sides of the front side of the guardrail (20), and a grating protection cover (24) is provided on the outer side of the safety grating.

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