CN202622293U - Engine hoop pin and oil seal pressing-in device - Google Patents

Engine hoop pin and oil seal pressing-in device Download PDF

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Publication number
CN202622293U
CN202622293U CN 201220054900 CN201220054900U CN202622293U CN 202622293 U CN202622293 U CN 202622293U CN 201220054900 CN201220054900 CN 201220054900 CN 201220054900 U CN201220054900 U CN 201220054900U CN 202622293 U CN202622293 U CN 202622293U
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CN
China
Prior art keywords
oil sealing
battle pin
engine
pin
cylinder
Prior art date
Application number
CN 201220054900
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Chinese (zh)
Inventor
朱流
詹白勺
Original Assignee
台州学院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 台州学院 filed Critical 台州学院
Priority to CN 201220054900 priority Critical patent/CN202622293U/en
Application granted granted Critical
Publication of CN202622293U publication Critical patent/CN202622293U/en

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Abstract

The utility model relates to the field of test equipment and particularly relates to an engine hoop pin and oil seal pressing-in device which comprises a rack, a main cylinder, an oil seal pressing head component, a clamping component and a hoop pin jacking component, wherein the cylinder body of the main cylinder is connected above the rack; the tail end of the cylinder rod of the main cylinder is connected with the oil seal pressing head component; the lower end of the oil seal pressing head component vacsorbs an oil seal; a workbench is arranged on the rack below the oil seal pressing head component and connected with the clamping component for clamping a hub of an engine; and the hoop pin jacking component for jacking a hoop pin is arranged on the rack below the workbench. According to the utility model, the oil seal pressing-in and the hoop pin pressing-in are completed through one process, so that the working efficiency is improved; after the oil seal and the hoop pin are pressed in, such a state is maintained at high pressure for three seconds, so that the oil seal and the hoop pin are more reliable in installation; a product box, a hoop pin box, an oil seal box and a liquid box are provided with photoelectric sensors used for detecting whether missed acquisition and missed coating exist, so that misoperation is prevented; and a pneumatic valve and a weightometer can be used for measuring the pressure required for oil seal pressing-in, so that the reliability of oil seal pressing-in is ensured.

Description

Engine battle pin and oil sealing press-in device
Technical field
The present invention relates to auto industry field, relate in particular to a kind of engine battle pin and oil sealing press-in device.
Background technology
As everyone knows; Automobile engine is the aggregate of multiple technologies and good parts; The engine battle pin refers to oil sealing and battle pin, and oil sealing is as one of key components and parts, because very high to its important technology index request such as sealing property, reliability, stability and long-life under the high-speed and high-temperature operating mode; Be to influence the principal element that engine further improves reliability and combination property for a long time, so require it to install accurately and reliably always.Existing battle pin installation method adopts the two procedures manually-operated mostly, exist efficient low, insecure problem is installed.
Summary of the invention
To the problems referred to above, the object of the present invention is to provide a kind of reliable installation, engine battle pin and oil sealing press-in device that efficient is high.
For realizing above-mentioned purpose; The scheme that the present invention adopts is: a kind of engine battle pin and oil sealing press-in device; Its difference is: include frame, master cylinder, oil sealing pressure head component, clamp assembly, battle pin roof pressure assembly, the master cylinder cylinder body is connected the frame top, the terminal oil sealing pressure head component that connects of master cylinder cylinder bar; Oil sealing pressure head component lower end vacuum suction oil sealing; On the frame of oil sealing pressure head component below workbench is set, workbench is connected with the clamp assembly that clamps engine machine hub, and the frame of workbench below is provided with the battle pin roof pressure assembly that battle pin is headed into.
Described oil sealing pressure head component includes connector and air suction type positioning sleeve; Connector is connected on the cylinder bar of master cylinder; The connector below connects the air suction type positioning sleeve; The air suction type positioning sleeve is the shell structure of a lower ending opening, inner hollow, and opening shape is identical with the battle pin cross sectional shape, and air suction type positioning sleeve sidewall is provided with ventilating shaft and the air-breathing axle that is communicated with vacuum generator; Vacuum generator is taken the cavity air through the ventilating shaft cavity bubbling air that air suction type battle pin positioning sleeve is inner away from air-breathing axle.
Described clamp assembly includes limited block, centration axis, clamping cylinder, falcon and colludes pressing plate and corner oil cylinder; Limited block is located on the workbench according to engine machine hub shape branch; Centration axis is connected on the workbench and penetrates in the hole of engine machine hub; Clamping cylinder is connected the sidewall that holds out against engine machine hub on the workbench, and limited block, centration axis, clamping cylinder engagement limits engine machine hub are in the free degree of table plane; The afterbody that the corner cylinder block is hinged on the frame, cylinder bar and falcon are colluded pressing plate is hinged, and falcon is colluded the pressing plate middle part and is hinged on the frame, and the corner cylinder action drives falcon and colludes pressing plate head hook-shape end engine machine hub is pressed on the work top.
Described battle pin roof pressure assembly includes top-bearing jar, pressuring template, pin rod, and pressuring template is arranged on engine machine hub below, and pressuring template position under the battle pin hole is provided with the roof pressure hole; Top-bearing jar is connected on the frame, and top-bearing jar roof pressure pin rod penetrates the roof pressure hole battle pin is pressed in the battle pin hole of engine machine hub.
Described pin rod disposes back-moving spring; Described battle pin is with positioning sleeve outward; Described connector is connected with poidometer.
Described frame is provided with product box, the battle pin box that holds battle pin, oil sealing box that holds oil sealing that the engine machine hub that holds oil sealing to be installed and battle pin uses and the fluid cartridge that holds cutting fluid.
Be equipped with photoelectric sensor on described product box, battle pin box, oil sealing box, the fluid cartridge.
The present invention is clamped in engine machine hub on the workbench, respectively oil sealing and battle pin is pressed into engine machine hub simultaneously with oil sealing pressure head component and battle pin roof pressure assembly, because the one procedure that is pressed into of oil sealing and battle pin is accomplished, has improved operating efficiency; The back high pressure that is pressed into of oil sealing and battle pin kept 3 seconds, installed more reliable; Be equipped with photoelectric sensor on product box, battle pin box, oil sealing box, the fluid cartridge, be used for detecting having or not to leak and take or holiday, improve the accuracy of installing, prevent maloperation; Air pressure valve, poidometer can be measured and be pressed into the used pressure of oil sealing, guarantee that oil sealing is pressed into reliably.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the Oil sealing assembly sketch map of the embodiment of the invention;
Fig. 3 is the structural representation of upper plate in the clamp assembly of the embodiment of the invention;
Fig. 4 is the structural representation of lower plate in the clamp assembly of the embodiment of the invention;
Fig. 5 is the battle pin roof pressure modular construction sketch map of the embodiment of the invention;
Description of symbols among the figure: 1-frame; The 2-electrical control cabinet; The 3-clamp assembly; 4-battle pin roof pressure assembly; The 5-workbench; 6-engine machine hub; 7-product box; 8-oil sealing pressure head component; The 9-master cylinder; The 10-Hydraulic Station; The 11-upper plate; The 12-lower plate; The 301-limited block; The 303-caging bolt; The 305-centration axis; The 307-falcon is colluded pressing plate; 309-corner oil cylinder; The 311-stand; The 313-clamping cylinder; The 315-connecting rod; The 401-top-bearing jar; The 403-back-moving spring; The 405-pressuring template; The 407-positioning sleeve; The 409-pin rod; The 411-battle pin; The 801-connector; The 803-poidometer; The 805-ventilating shaft; The air-breathing axle of 807-; 809-air suction type positioning sleeve; The 811-oil sealing.
The specific embodiment
For understanding the present invention better, below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is done further explanation, referring to Fig. 1 to Fig. 5:
By a kind of engine battle pin and the oil sealing press-in device that the present invention implements, disposable oil sealing 811 and battle pin 411 are pressed into engine machine hub 6, after engine machine hub 6 clamping and positioning, employing top is pressed into the mode that oil sealing 811, bottom head into battle pin 411.Concrete structure is: include frame 1, frame 1 bottom is fixed on the basis, ground through foundation bolt, and frame 1 below is provided with electrical control cabinet 2 and Hydraulic Station 10, and electrical control cabinet 2 is used to install electrical equipment and circuit, and Hydraulic Station 10 provides power for hydraulic cylinder.Frame 1 centre position is provided with workbench 5, is used for fixing clamping engine machine hub 6, the moderate operation of being convenient to the workman of the height of workbench 5.Also be provided with oil sealing box, the battle pin box of placing battle pin 411 of placing oil sealing 811 on the frame 1, place the product box of the engine machine hub 6 of waiting to be pressed into battle pin 411 and hold the fluid cartridge of cutting fluid; On battle pin box, the fluid cartridge photoelectric sensor is set; Detect respectively battle pin 411 have or not leak to take, cutting fluid has or not holiday; Automatically detect the accuracy of operation, guarantee that installation effectiveness is with reliable.
Master cylinder 9 drives oil sealing pressure head component 8 and is pressed into oil sealing 811, and master cylinder 9 adopts the oil cylinder of CHD2FWFA50B-250-A53 model, and used oil pressure is 3MPa, and the pressure that 5.88KN can be provided is to guarantee having enough pressure to be pressed into oil sealing 811.Master cylinder 9 cylinder bodies are connected frame 1 top, the terminal oil sealing pressure head component 8 that connects of master cylinder 9 cylinder bars.Oil sealing pressure head component 8 includes connector 801 and air suction type positioning sleeve 809; Connector 801 is connected on the cylinder bar of master cylinder 9 through rotation stopping screw; Connector 801 belows connect the air suction type positioning sleeve 809 that is pressed into preceding fixed installation, is pressed into back release oil sealing 811; Air suction type positioning sleeve 809 adopts the mode of air pressure absorption; Be set to the shell structure of a lower ending opening, inner hollow, opening shape and battle pin 411 cross sectional shapes coupling, air suction type positioning sleeve 809 sidewalls are provided with the ventilating shaft 805 and air-breathing axle 807 that is communicated with baric systerm.After putting into oil sealing 811 in the air suction type positioning sleeve 809, vacuum generator is taken the cavity air away from air-breathing axle 807, and external pressure compresses oil sealing 811, when needing to discharge oil sealing 811, through the cavity bubbling air of ventilating shaft 805 with air suction type positioning sleeve 809 inside.In order to judge whether oil sealing 811 positive and negatives are installed correctly, and air pressure valve can be indicated air pressure, the oil sealing 811 correct air pressure of installing are greater than the air pressure of oil sealing 811 anti-dresses.To be pressed into the used pressure of oil sealing 811 in order measuring, on connector 801, to be connected with poidometer 803.
Workbench 5 is connected with the clamp assembly 3 that clamps engine machine hub 6; Because the reliable and accurate positioning that clamps is the key that is concerning that oil sealing 811 and battle pin 411 are pressed into; So that clamping mode of the present invention adopts is spacing, centering, side clamp, fasten the multi-faceted spacing reliable clamping of guaranteeing up and down.Limited block 301 is located on the workbench 5 according to engine machine hub 6 shape branches with caging bolt 303, and limited block 301 is fixedly connected on the workbench 5, and its sidewall pushes against engine machine hub 6 sidewalls.The threaded block of caging bolt 303 is connected on the workbench 5, bolt and threaded block threaded engagement, and tighting a bolt to make its end push against engine machine hub 6 sidewalls.Centration axis 305 is connected on the workbench 5 and penetrates in the hole of engine machine hub 6, plays the centering effect.Clamping cylinder 313 is connected the sidewall that holds out against engine machine hub 6 on the workbench 5, and limited block 301, centration axis 305, clamping cylinder 313 engagement limits engine machine hubs 6 are in the free degree on workbench 5 planes.Fasten up and down and adopt upper plate 11, lower plate 12 to be connected with engine machine hub 6; The structure that engine machine hub 6 ends adopt corner oil cylinder 309 and falcon to collude pressing plate 307; The afterbody that corner oil cylinder 309 cylinder bodies are hinged on the frame 1, cylinder bar and falcon are colluded pressing plate 307 is hinged; Falcon is colluded pressing plate 307 middle parts and is hinged on the frame 1 through connecting rod 315; Utilize lever principle, corner oil cylinder 309 cylinder bars rise to drive falcon, and to collude pressing plate 307 head hook-shape ends downward, thereby engine machine hub 6 is pressed on 5 of the workbench.
The frame 1 of workbench 5 belows is provided with the battle pin roof pressure assembly 4 that battle pin 411 is headed into, and battle pin roof pressure assembly 4 includes top-bearing jar 401, pressuring template, pin rod 409.Top-bearing jar 401 is connected on the frame 1, and top-bearing jar 401 adopts the oil cylinder of CHDQWB32-10D-A93 model, uses oil pressure 3MPa; 2.411KN pressure can be provided, and pressuring template 405 is arranged on the workbench of engine machine hub 6 belows, on the pressuring template of position under the battle pin hole, is provided with the roof pressure hole; The roof pressure hole play the guiding role; Its aperture is a bit larger tham pin rod 409, and pin rod 409 freely moves up and down in the roof pressure hole, the terminal roof pressure pin rod 409 of top-bearing jar 401 cylinder bars; Pin rod 409 passes to battle pin 411 with pressure, thereby is pressed in the pin-and-hole of engine machine hub 6.Be pressed into 409 ejections of back pin rod in order to make, so pin rod 409 disposes back-moving spring 403.Be with positioning sleeve 407 outside the battle pin 411, the endoporus of positioning sleeve 407 is a shoulder hole, cooperates the shape of pin rod 409 can play guiding and spacing effect.
Described frame 1 be provided with engine machine hub 6 usefulness that hold oil sealing to be installed 811 and battle pin 411 the product box, hold battle pin 411 the battle pin box, hold the oil sealing box of oil sealing 811 and the fluid cartridge that holds cutting fluid.Be equipped with photoelectric sensor on described product box, battle pin box, oil sealing box, the fluid cartridge.Take or holiday for the detecting operation personnel have or not to leak, improve the accuracy of installing, prevent maloperation.
Implementation process of the present invention may further comprise the steps:
(1) each oil cylinder is in initial position, and the original position indicator lamp of control panel is bright;
(2) take out the engine machine hub 6 that the product that assembles is oil sealing 811 to be installed and battle pin 411 from the product box, be coated with cutting fluid in product oil sealing 811 positions, cutting fluid is pre-installed in the fluid cartridge, and for preventing holiday, fluid cartridge is provided with photoelectric sensor;
(3) product is placed on workbench 5 according to the position of limited block 301 and centration axis 305, tightens stop screw 303;
(4) in battle pin box and oil sealing box, take out battle pin 411 and oil sealing 811 respectively; Be respectively charged in the pin-and-hole and air suction type positioning sleeve 809 of engine machine hub 6; The photoelectric sensor of battle pin box and oil sealing box detects battle pin 411 respectively and has or not leakage to take with oil sealing 811; Air pressure through vacuum generation valve can detect oil sealing 811 and have or not neglected loading or dress anti-, air pressure is little then might adorn anti-or dress partially, the then possibility neglected loading of no air pressure;
(5) battle pin 411 and oil sealing 811 pack into ready after, starting switch, two corner oil cylinders, 309 cylinder bars rise, falcon is colluded pressing plate 307 head hook-shape ends and compresses product downwards;
(6) top-bearing jar 401 low pressure rise; Simultaneously master cylinder 9 descends fast, and top-bearing jar 401 high pressure rise when treating that inductive switch is sensed pin rod 409 and propped up battle pin 411, the battle pin 411 back top-bearing jar 401 high pressure maintenance 3S that is in place; Treat that lower end electromagnetic induction switch induction oil sealing 811 is near behind the product; Master cylinder 9 descends at a slow speed, and after detecting that oil sealing 811 is in place and confirm pressure by pressure sensor to the height sensor, vacuum generator cuts out; Air suction type positioning sleeve 809 discharges oil sealing 811, master cylinder 9 pressurize 3S;
(7) behind master cylinder 9 and the top-bearing jar 401 pressurize 3S, guarantee that oil sealing 811 and battle pin 411 are in place after, panel OK lamp is bright.Master cylinder 9 fast rise, top-bearing jar 401 descend, and two corner oil cylinders 309 descend simultaneously, clamp assembly 3 relaxation products, and the original position indicator lamp is bright, gas cleaning oil sealing 811 positioning fixture 3S.The next engine machine hub 6 of packing into repeats above-mentioned (1)~(7) step.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalence of therefore doing according to claim of the present invention changes, and still belongs to protection scope of the present invention.

Claims (9)

1. engine battle pin and oil sealing press-in device; It is characterized in that: include frame (1), master cylinder (9), oil sealing pressure head component (8), clamp assembly (3), battle pin roof pressure assembly (4); Master cylinder (9) cylinder body is connected frame (1) top; The terminal oil sealing pressure head component (8) that connects of master cylinder (9) cylinder bar, oil sealing pressure head component (8) lower end vacuum suction oil sealing (811) is provided with workbench (5) on the frame (1) of oil sealing pressure head component (8) below; Workbench (5) is connected with the clamp assembly (3) that clamps engine machine hub (6), and the frame (1) of workbench (5) below is provided with the battle pin roof pressure assembly (4) that battle pin (411) is headed into.
2. engine battle pin according to claim 1 and oil sealing press-in device; It is characterized in that: described oil sealing pressure head component (8) includes connector (801) and air suction type positioning sleeve (809); Connector (801) is connected on the cylinder bar of master cylinder (9); Connector (801) below connects air suction type positioning sleeve (809); Air suction type positioning sleeve (809) is the shell structure of a lower ending opening, inner hollow, and opening shape is identical with battle pin (411) cross sectional shape, and air suction type positioning sleeve (809) sidewall is provided with ventilating shaft (805) and the air-breathing axle (807) that is communicated with vacuum generator; Vacuum generator is taken the cavity air through ventilating shaft (805) the cavity bubbling air that air suction type battle pin positioning sleeve (407) is inner away from air-breathing axle (807).
3. engine battle pin according to claim 1 and oil sealing press-in device; It is characterized in that: described clamp assembly (3) includes limited block (301), caging bolt (303), centration axis (305), clamping cylinder (313), falcon and colludes pressing plate (307) and corner oil cylinder (309); Limited block (301), caging bolt (303) are located on the workbench (5) according to engine machine hub (6) shape branch; Centration axis (305) is connected workbench (5) and goes up and penetrate in the hole of engine machine hub (6); Clamping cylinder (313) is connected the sidewall that holds out against engine machine hub (6) on the workbench (5), and limited block (301), centration axis (305), clamping cylinder (313) engagement limits engine machine hub (6) are in the free degree on workbench (5) plane; The afterbody that the frame (1) that is hinged on corner oil cylinder (309) cylinder body goes up, cylinder bar and falcon are colluded pressing plate (307) is hinged; Falcon is colluded pressing plate (307) middle part and is hinged on the frame (1), and corner oil cylinder (309) action drive falcon is colluded pressing plate (307) head hook-shape end engine machine hub (6) is pressed on workbench (5) face.
4. engine battle pin according to claim 1 and oil sealing press-in device; It is characterized in that: described battle pin roof pressure assembly (4) includes top-bearing jar (401), pressuring template (405), pin rod (409); Pressuring template (405) is arranged on engine machine hub (6) below, and pressuring template (405) position under the battle pin hole is provided with the roof pressure hole; Top-bearing jar (401) is connected on the frame (1), and top-bearing jar (401) roof pressure pin rod (409) penetrates the roof pressure hole battle pin (411) is pressed in the battle pin hole of engine machine hub (6).
5. engine battle pin according to claim 4 and oil sealing press-in device is characterized in that: described pin rod (409) disposes back-moving spring (403).
6. engine battle pin according to claim 4 and oil sealing press-in device is characterized in that: the outer positioning sleeve (407) that is with of described battle pin (411).
7. engine battle pin according to claim 2 and oil sealing press-in device is characterized in that: described connector (801) is connected with poidometer (803).
8. engine battle pin according to claim 1 and oil sealing press-in device is characterized in that: described frame (1) be provided with engine machine hub (6) usefulness that holds oil sealing to be installed (811) and battle pin (411) the product box, hold battle pin (411) the battle pin box, hold the oil sealing box of oil sealing (811) and the fluid cartridge that holds cutting fluid.
9. engine battle pin according to claim 8 and oil sealing press-in device is characterized in that: be equipped with photoelectric sensor on described product box, battle pin box, oil sealing box, the fluid cartridge.
CN 201220054900 2012-02-20 2012-02-20 Engine hoop pin and oil seal pressing-in device CN202622293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220054900 CN202622293U (en) 2012-02-20 2012-02-20 Engine hoop pin and oil seal pressing-in device

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Application Number Priority Date Filing Date Title
CN 201220054900 CN202622293U (en) 2012-02-20 2012-02-20 Engine hoop pin and oil seal pressing-in device

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CN202622293U true CN202622293U (en) 2012-12-26

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528433A (en) * 2012-02-20 2012-07-04 台州学院 Press-in device for engine ring pin and oil seal
CN103089589A (en) * 2013-01-09 2013-05-08 昆山佳铭自动化科技有限公司 Compressing-ring assembling and detection combination device used for piston type electric vacuum pump
CN103692193A (en) * 2013-12-29 2014-04-02 长城汽车股份有限公司 Automatic press fitting machine for engine valve oil seals and valve spring gaskets
CN103692207A (en) * 2013-12-17 2014-04-02 苏州博众精工科技有限公司 Pressure meter assembling equipment
CN103978369A (en) * 2014-06-03 2014-08-13 詹白勺 Engine oil pump shell steel ball and plug pressing device
CN103978368A (en) * 2014-06-03 2014-08-13 詹白勺 Engine oil pump shell steel ball and plug pressing method and controller
CN105666100A (en) * 2016-03-26 2016-06-15 中国计量学院 Sealing tester
CN105666098A (en) * 2016-03-16 2016-06-15 宁波圣龙汽车动力系统股份有限公司 Oil seal press-fitting mechanism
CN105716805A (en) * 2016-03-26 2016-06-29 中国计量学院 Blocking detection device
CN107932027A (en) * 2017-12-25 2018-04-20 重庆骄直电气有限公司 The press fitting control method of servo press
CN111408927A (en) * 2020-05-21 2020-07-14 东莞市嘉宏机电科技有限公司 Press-fitting guide clamp of engine cylinder sleeve

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528433A (en) * 2012-02-20 2012-07-04 台州学院 Press-in device for engine ring pin and oil seal
CN103089589A (en) * 2013-01-09 2013-05-08 昆山佳铭自动化科技有限公司 Compressing-ring assembling and detection combination device used for piston type electric vacuum pump
CN103692207A (en) * 2013-12-17 2014-04-02 苏州博众精工科技有限公司 Pressure meter assembling equipment
CN103692207B (en) * 2013-12-17 2016-02-24 苏州博众精工科技有限公司 A kind of Pressure gauge mounting equipment
CN103692193B (en) * 2013-12-29 2016-02-24 长城汽车股份有限公司 A kind of engine valve oil seal and valve spring pad automatic press mounting machine
CN103692193A (en) * 2013-12-29 2014-04-02 长城汽车股份有限公司 Automatic press fitting machine for engine valve oil seals and valve spring gaskets
CN103978369A (en) * 2014-06-03 2014-08-13 詹白勺 Engine oil pump shell steel ball and plug pressing device
CN103978368A (en) * 2014-06-03 2014-08-13 詹白勺 Engine oil pump shell steel ball and plug pressing method and controller
CN103978369B (en) * 2014-06-03 2016-06-15 詹白勺 Engine oil pump case steel ball and plug press-in device
CN103978368B (en) * 2014-06-03 2016-03-30 詹白勺 Engine oil pump case steel ball and plug method of press-fitting and controller
CN105666098A (en) * 2016-03-16 2016-06-15 宁波圣龙汽车动力系统股份有限公司 Oil seal press-fitting mechanism
CN105666100A (en) * 2016-03-26 2016-06-15 中国计量学院 Sealing tester
CN105716805A (en) * 2016-03-26 2016-06-29 中国计量学院 Blocking detection device
CN105666100B (en) * 2016-03-26 2018-05-04 中国计量大学 One kind envelope pressure test machine
CN107932027A (en) * 2017-12-25 2018-04-20 重庆骄直电气有限公司 The press fitting control method of servo press
CN111408927A (en) * 2020-05-21 2020-07-14 东莞市嘉宏机电科技有限公司 Press-fitting guide clamp of engine cylinder sleeve

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Granted publication date: 20121226

Termination date: 20140220