Oil pump assembly tool
Through the design of convenient multi-directional rotation and integrated press-fitting function oil pump assembly tooling, the problems of difficulty in adjusting clamping tools and inconvenient parts press-fitting in the existing technology are solved, and efficient assembly and part positioning of oil pumps are achieved, which is suitable for a variety of applications. Model product.
Patent Information
- Application Number
- CN202010935195.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-08
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2040-09-08
AI Technical Summary
The existing oil pump assembly and assembly lack convenient multi-directional and full-angle rotation capabilities, which leads to repeated adjustment of clamping tools, which can easily cause loose clamping or damage the product's outer surface, and lack integrated parts pressing and assembly function, so the product needs to be frequently moved to press. match.
An oil pump assembly tool including a rotating mounting turntable, brake brake, linear guide rail and transmission shaft is designed. The rotating shaft achieves 360° free rotation, integrates the pressing function, and realizes the stable positioning of parts through the indexing structure and preloading mechanism. Pressure fitting.
It realizes convenient multi-directional assembly of oil pumps, reduces the adjustment frequency of clamping tools, avoids clamping looseness and product damage, improves assembly efficiency, and integrates part pressing and matching function, which is suitable for assembly of different models of products.
Smart Images
Figure CN111941332B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of oil pump assembly and relates to an oil pump assembly tool. Background Art
[0002] The oil pump is one of the core components of a diesel engine. For products that are under development and testing, they face repeated disassembly, inspection and adjustment, and there is no dedicated assembly line for assembly at this time.
[0003] The heavy fuel injection pump is heavy, and it is not convenient for manpower to repeatedly adjust the clamping direction on a vise or other clamping tool. The device makes full use of the rotating shaft to achieve multi-directional and full-angle rotation, making the product assembly more convenient. The device also integrates the function of press-fitting some parts, so there is no need to move the product to the press-fitting station.
[0004] When the clamping direction is repeatedly adjusted on a clamping tool such as a bench vise, the clamping may become loose or the outer surface of the product may be damaged. This device only needs to be clamped for the first time, making full use of the product's process holes for locking. Summary of the invention
[0005] The object of the present invention is to provide an oil pump assembly tool which can solve the above-mentioned problems and is convenient to turn.
[0006] According to the technical solution provided by the present invention: an oil pump assembly tool comprises a workbench, a turntable is rotatably installed on the workbench, a brake brake is installed in the middle of the workbench, a brake foot switch and a brake power supply unit are installed at the bottom of the workbench, the brake foot switch and the brake power supply unit are connected to the brake brake through wires, the lower end of the turntable is located in the brake brake, a vertical plate is vertically installed on the top of the turntable, a dividing cylinder is horizontally installed in the vertical plate, a transmission shaft is rotatably installed in the dividing cylinder, a bracket is connected to the inner side of the transmission shaft, a pump body positioning column and an oil cylinder positioning mechanism are arranged on the bracket, a handwheel is slidably installed on the outer side of the transmission shaft, the transmission shaft and the handwheel transmit torque through a key structure, a dividing structure is provided on the contact surface between the dividing cylinder and the handwheel, a pre-tightening mechanism is arranged on the outer end of the transmission shaft, linear guides are installed in parallel on both sides of the turntable, a slider is slidably arranged on the linear guide, a gantry is vertically connected to the slider, and a press-fit screw is vertically threaded in the middle of the gantry.
[0007] As a further improvement of the present invention, the dividing structure is composed of a dividing groove and a dividing boss, the dividing groove is opened on the side of the dividing cylinder, and the dividing bosses are evenly distributed on the side of the handwheel; the dividing groove includes a 0° groove, a 90° groove, a 180° groove, and a 270° groove.
[0008] As a further improvement of the present invention, the pre-tensioning mechanism includes a pre-tensioning retaining ring and a pre-tensioning spring, the pre-tensioning retaining ring is fixedly mounted on the outer end of the transmission shaft, the pre-tensioning spring is sleeved on the outer periphery of the transmission shaft, one end of the pre-tensioning spring abuts against the pre-tensioning retaining ring, and the other end abuts against the handwheel.
[0009] As a further improvement of the present invention, the oil cylinder positioning mechanism is a pump body fixing toggle clamp.
[0010] As a further improvement of the present invention, a transmission shaft through hole is provided in the hand wheel, and a key groove is provided on one side of the transmission shaft through hole.
[0011] The invention has a simple structure and occupies a small space. It can rotate freely 360° in the horizontal direction and can stably stay in any position by using a brake. It can rotate freely 360° in the vertical direction and can stably stay in the position every 90° by using a turntable. It has an integrated press-fit function, which is convenient for press-fitting of parts. It can be clamped once without repeated clamping changes. It has strong applicability and can meet the assembly of other types of products by simply replacing some auxiliary tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the present invention.
[0013] Figure 2 It is a side view of the present invention.
[0014] Figure 3 It is a top view of the present invention. DETAILED DESCRIPTION
[0015] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.
[0016] Figure 1-3 It includes 1-workbench, 2-turntable, 3-vertical plate, 4-positioning column, 5-gantry, 6-L-type bracket, 7-brake foot switch, 8-brake power supply unit, 9-brake, 10-linear guide, 11-slider, 12-pump body fixing elbow clamp, 13-press-fit screw rod, 14-indexing cylinder, 15-handwheel, 16-transmission shaft, 17-pump body, etc.
[0017] like Figure 1-3As shown, the present invention is an oil pump assembly tool, including a workbench 1, a turntable 2 is rotatably installed on the workbench 1 through a bearing, a brake 9 is installed in the middle of the workbench 1, a brake foot switch 7 and a brake power supply unit 8 are installed at the bottom of the workbench 1, the brake foot switch 7 and the brake power supply unit 8 are connected to the brake 9 through wires, the lower end of the turntable 2 is located in the brake 9, a vertical plate 3 is vertically installed on the top of the turntable 2, a dividing cylinder 14 is horizontally installed in the vertical plate 3, a transmission shaft 16 is rotatably installed in the dividing cylinder 14 through a bearing, the inner side of the transmission shaft 16 is connected to a bracket 6, a pump body positioning column 4 and an oil cylinder positioning mechanism are arranged on the bracket 6, a handwheel 15 is slidably installed on the outer side of the transmission shaft 16, and the transmission shaft 16 and the handwheel 15 transmit torque through a key structure.
[0018] The contact surface between the indexing cylinder 14 and the hand wheel 15 is provided with an indexing structure. The indexing structure is an indexing groove and an indexing boss. The indexing groove includes a 0° groove, a 90° groove, a 180° groove, and a 270° groove. The indexing groove is opened on the side of the indexing cylinder 14. Four indexing bosses are evenly distributed on the side of the hand wheel 15.
[0019] A preload mechanism is provided at the outer end of the transmission shaft 16, and the preload mechanism includes a preload retaining ring 18 and a preload spring 19. The preload retaining ring 18 is fixedly mounted on the outer end of the transmission shaft 16, and the preload spring 19 is sleeved on the outer periphery of the transmission shaft 16, with one end of the preload spring 19 abutting against the preload retaining ring 18 and the other end abutting against the hand wheel 15.
[0020] Linear guide rails 10 are installed in parallel on both sides of the turntable 2. Slide blocks 11 are slidably arranged on the linear guide rails 10. The slide blocks 11 are vertically connected to the gantry 5. The middle part of the gantry 5 is vertically threadedly connected to a press-fit screw rod 13.
[0021] The oil cylinder positioning mechanism is a pump body fixing toggle clamp 12. The specific model of the pump body fixing toggle clamp 12 is MC07-11.
[0022] Bracket 6 is an L-shaped bracket, which can better position the pump body.
[0023] A transmission shaft through hole is provided in the hand wheel 15, and a keyway is provided on one side of the transmission shaft through hole, and the keyway is used to cooperate with the key on the transmission shaft 16. The key can slide in the keyway, so that the transmission shaft 16 and the hand wheel 15 can slide and transmit torque.
[0024] The working process of the present invention is as follows:
[0025] Device preparation, after the brake power supply unit 8 is powered on, step on the brake foot switch 7, the brake 9 is in the released state, hold the handwheel 15 with both hands to rotate the turntable 2 horizontally, and the brake 9 will be automatically locked after releasing the brake foot switch 7. Hold the handwheel 15 with both hands and pull it outward to make the indexing boss come out of the indexing groove, so as to separate the indexing cylinder 14 from the handwheel 15, turn the handwheel 15, and the handwheel 15 drives the bracket 6 to rotate through the transmission shaft 16 to ensure that the pump body fixing toggle clamp 12 is directly above, and then push the handwheel 15 to make the indexing boss snap into the indexing groove to fix the handwheel 15 and the indexing cylinder 14.
[0026] The pre-assembled pump body 17 is placed on the bracket 6 , and the pump body 17 is positioned by using the mounting holes of the pump body 17 itself to cooperate with the positioning columns 4 , and then the pump body fixing toggle clamp 12 is pushed to clamp the pump body 17 .
[0027] The oil pump system and other parts are completed according to the product assembly sequence. At the same time, the slider 11 is moved to move the press-fit screw rod 13 along the linear guide rail 10, and the press-fit screw rod 13 is moved left and right to adjust to the press-fit position to complete the press-fit.
[0028] Hold the handwheel 15 tightly with both hands and pull it outward to make the indexing boss disengage from the indexing groove, so as to separate the indexing cylinder 14 from the handwheel 15. Turn the handwheel 15, and the handwheel 15 drives the bracket 6 to rotate through the transmission shaft 16 to ensure that the pump body fixing toggle clamp 12 is directly below. Then push the handwheel 15 to make the indexing boss snap into the indexing groove, so as to fix the handwheel 15 and the indexing cylinder 14.
[0029] Step on the brake pedal switch 7, release the brake 9, hold the handwheel 15 with both hands to rotate the turntable 2 horizontally, adjust the angle to a suitable position, and complete the lubrication system and other parts according to the product assembly sequence. During this period, you can step on the brake pedal switch 7 at any time, hold the handwheel 15 with both hands to rotate the turntable 2 horizontally to adjust the angle for the convenience of assembling other parts.
[0030] After assembly, hold the handwheel 15 tightly with both hands, pull it toward the human body to disengage the indexing cylinder 14, turn the handwheel 15 left and right to ensure that the pump body fixing elbow clamp 12 is directly above, and then push the handwheel 15 to lock the indexing cylinder 14; step on the brake foot switch 7, hold the handwheel 15 tightly with both hands and rotate the turntable 2 horizontally to make the handwheel 15 at the innermost side, release the brake foot switch 7; release the pump body fixing elbow clamp 12, and translate the sample to disengage the sample from the positioning column 4. Product detachment device.
Claims
1. An oil pump assembly tool, Features: The tooling comprises a workbench (1), a turntable (2) is rotatably mounted on the workbench (1), a brake (9) is mounted in the middle of the workbench (1), a brake foot switch (7) and a brake power supply unit (8) are mounted at the bottom of the workbench (1), the brake foot switch (7) and the brake power supply unit (8) are connected to the brake (9) through electric wires, the lower end of the turntable (2) is located in the brake (9), a vertical plate (3) is vertically mounted on the top of the turntable (2), a dividing cylinder (14) is horizontally mounted in the vertical plate (3), a transmission shaft (16) is rotatably mounted in the dividing cylinder (14), the inner side of the transmission shaft (16) is connected to a bracket (6), a pump body positioning column (4) and a cylinder positioning mechanism are arranged on the bracket (6), a hand wheel (15) is slidably mounted on the outer side of the transmission shaft (16), the transmission shaft (16) and the hand wheel (15) transmit torque through a key structure, the dividing cylinder (14) and the hand wheel (15) are connected to each other through a key structure. ) contact surface is provided with a graduation structure, the outer end of the transmission shaft (16) is provided with a pre-tightening mechanism, linear guide rails (10) are installed in parallel on both sides of the turntable (2), and a slider (11) is slidably provided on the linear guide rail (10), the slider (11) is vertically connected to the gantry (5), and the middle part of the gantry (5) is vertically threadedly connected to the press-fit screw rod (13); the graduation structure is a graduation groove and a graduation boss, the graduation groove is opened on the side of the graduation cylinder (14), and the hand wheel (1 5) indexing bosses are evenly distributed on the side; the indexing grooves include a 0° groove, a 90° groove, a 180° groove, and a 270° groove; the preload mechanism includes a preload retaining ring (18) and a preload spring (19), the preload retaining ring (18) is fixedly mounted on the outer end of the transmission shaft (16), the preload spring (19) is sleeved on the outer periphery of the transmission shaft (16), one end of the preload spring (19) abuts against the preload retaining ring (18), and the other end abuts against the hand wheel (15).
2. The oil pump assembly tool as claimed in claim 1, Features: The oil cylinder positioning mechanism is a pump body fixing toggle clamp (12).
3. The oil pump assembly tool as claimed in claim 1, Features: A transmission shaft through hole is formed in the hand wheel (15), and a key groove is formed on one side of the transmission shaft through hole.