CN213632573U

CN213632573U - Factory-used plunger assembly factory-leaving inspection device

Info

Publication number: CN213632573U
Application number: CN202022778443.7U
Authority: CN
Inventors: 张廉雍
Original assignee: Wuxi Pulong Precision Machinery Co ltd
Current assignee: Wuxi Pulong Precision Machinery Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-06
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a mill is with plunger subassembly verifying attachment that dispatches from factory relates to plunger technical field, and the section layer on the plunger is all adopted the scale to come to detect at the preparation production shaping for the current plunger of solving among the prior art to judge whether the gas tightness of this plunger accords with the standard, but this kind of detection mode is not comprehensive enough, can't ensure the problem that whole section face all accords with the standard. The surface of inspection workstation is provided with the pressure display screen, and closes the surface of workstation on and is provided with control module, inspection workstation and last be provided with the flexible member of hydraulic pressure between closing the workstation, and the inspection workstation passes through the flexible member of hydraulic pressure and closes the workstation on and be connected, the top of inspection workstation is provided with supports the spiale, and supports the spiale and pass through bolted connection with the inspection workstation, the top of supporting the spiale is provided with the die holder, and the die holder passes through bolted connection with the spiale with supporting, the bottom of closing the workstation on is provided with the air pump spiale.

Description

Factory-used plunger assembly factory-leaving inspection device

Technical Field

The utility model relates to a plunger technical field specifically is a mill dispatches from factory with plunger subassembly verifying attachment.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow regulation, such as hydraulic machines, engineering machinery and ships.

However, the existing plunger is manufactured, produced and molded by detecting the section layer on the plunger by using a ruler, so that whether the air tightness of the plunger meets the standard or not is judged, but the detection mode is not comprehensive enough, and the whole section surface can not meet the standard; therefore, the existing requirements are not met, and a factory plunger assembly factory inspection device is provided for the existing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mill is with plunger subassembly verifying attachment that dispatches from factory to solve the current plunger that proposes in the above-mentioned background art and all adopt the scale to detect the section layer on the plunger in the preparation production shaping, thereby judge whether the gas tightness of this plunger accords with the standard, but this kind of detection mode is not comprehensive enough, can't ensure the problem that whole section face all accords with the standard.

In order to achieve the above object, the utility model provides a following technical scheme: a factory-used plunger assembly delivery inspection device comprises an inspection workbench and an upper closing workbench, wherein a pressure display screen is arranged on the outer surface of the inspection workbench, a control module is arranged on the outer surface of the upper closing workbench, a hydraulic telescopic rod is arranged between the inspection workbench and the upper closing workbench, the inspection workbench is connected with the upper closing workbench through the hydraulic telescopic rod, a supporting transfer shaft is arranged at the top of the inspection workbench and connected with the inspection workbench through a bolt, a lower die holder is arranged above the supporting transfer shaft and connected with the supporting transfer shaft through a bolt, an air pump transfer shaft is arranged at the bottom of the upper closing workbench and connected with the upper closing workbench through a bolt, an upper die holder is arranged at the bottom of the air pump transfer shaft and connected with the air pump transfer shaft through a bolt, the upper die base is attached to and connected with the lower die base.

Preferably, the upper die holder is internally provided with a plunger upper die sleeve, the plunger upper die sleeve is connected with the upper die holder through a screw, the lower die holder is internally provided with a plunger lower die sleeve, and the plunger lower die sleeve is connected with the lower die holder through a screw.

Preferably, a resistance pressure shaft cylinder is arranged below the plunger lower die sleeve, an air inlet is formed between the resistance pressure shaft cylinder and the plunger lower die sleeve, and the resistance pressure shaft cylinder is electrically connected with the pressure display screen.

Preferably, the inside of resistance pressure shaft section of thick bamboo is provided with the resistance piston, and resistance piston and resistance pressure shaft section of thick bamboo sliding connection, the below of resistance piston is provided with reset spring, and reset spring passes through the draw-in groove with resistance piston and resistance pressure shaft section of thick bamboo and is connected.

Preferably, an inflation valve port is arranged between the upper die sleeve of the plunger and the air pump adapter shaft, a storage pneumatic cylinder is arranged at the top of the upper closing workbench, and the storage pneumatic cylinder is connected with the air pump adapter shaft through a pipeline.

Preferably, one side of the storage pneumatic cylinder is provided with a hydraulic driving cylinder, and the hydraulic driving cylinder and the storage pneumatic cylinder are connected with the upper closing workbench through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an in putting into the inside plunger lower die sleeve of die holder with the plunger, make the intercombination between the lower mould afterwards, after the plunger parcel is gone up to lower die sleeve, the cylinder is followed the plunger and is gone up the top of die sleeve and to the inside injection air pressure of die sleeve, gaseous can't pass the plunger under the inseparable condition of plunger and die sleeve laminating and enter into resistance pressure axle section of thick bamboo, this plunger belongs to qualified product, and the plunger is inseparable with the die sleeve laminating, gaseous alright get into the resistance pressure axle section of thick bamboo in the gap between plunger and the die sleeve through, at this moment, when resistance piston receives atmospheric pressure and slides downwards, the resistance of resistance pressure axle section of thick bamboo will produce the change, resistance numerical value changes when detecting, the gas tightness just existing problem of this plunger, numerical value changes and then represents the gas tightness more poor.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. an inspection workbench; 2. a pressure display screen; 3. a closing workbench; 4. a control module; 5. a hydraulic drive cylinder; 6. storing the pneumatic cylinder; 7. a hydraulic telescopic rod; 8. supporting the transfer shaft; 9. the air pump is connected with the shaft in a rotating way; 10. a lower die holder; 11. an upper die holder; 12. a plunger lower die sleeve; 13. a plunger upper die sleeve; 14. an inflation valve port; 15. a resistance pressure shaft cylinder; 16. an air inlet; 17. a resistance piston; 18. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a factory-used plunger assembly delivery inspection device comprises an inspection workbench 1 and an upper closing workbench 3, wherein the outer surface of the inspection workbench 1 is provided with a pressure display screen 2 which can display the resistance value of a resistance pressure shaft barrel 15, the air tightness of a plunger has problems as long as the resistance value changes during detection, the larger the value change is, the poorer the air tightness is represented, the outer surface of the upper closing workbench 3 is provided with a control module 4 which is convenient for control operation, a hydraulic telescopic rod 7 is arranged between the inspection workbench 1 and the upper closing workbench 3, the inspection workbench 1 is connected with the upper closing workbench 3 through the hydraulic telescopic rod 7, the top of the inspection workbench 1 is provided with a supporting switching shaft 8, the supporting switching shaft 8 is connected with the inspection workbench 1 through a bolt, a lower die holder 10 is arranged above the supporting switching shaft 8, the plunger is placed into a plunger lower die sleeve 12 inside the lower die holder 10 during inspection, make the intercombination between the bed die afterwards, make the plunger in 11 inside on the bed die 13 suit in the top of plunger, guarantee measuring environment's sealing performance, and the bed die seat 10 passes through bolted connection with support switching shaft 8, the bottom of closing workstation 3 on is provided with air pump switching shaft 9, and air pump switching shaft 9 and the workstation 3 of closing on pass through bolted connection, the bottom of air pump switching shaft 9 is provided with bed die 11, and bed die 11 passes through bolted connection with air pump switching shaft 9, bed die 11 and bed die seat 10 laminating are connected.

Further, an upper plunger die sleeve 13 is arranged inside the upper die base 11, the upper plunger die sleeve 13 is connected with the upper die base 11 through screws, a lower plunger die sleeve 12 is arranged inside the lower die base 10, the lower plunger die sleeve 12 is connected with the lower die base 10 through screws, and the upper plunger die sleeve 13 and the lower plunger die sleeve 12 can be replaced according to different shapes of the detected plunger.

Further, the below of die sleeve 12 is provided with resistance pressure beam barrel 15 under the plunger, and be provided with air inlet 16 under resistance pressure beam barrel 15 and the plunger between die sleeve 12, resistance

pressure beam barrel

15 and 2 electric connection of pressure display screen, after upper and lower die sleeve wrapped up the plunger, the cylinder injected into atmospheric pressure to the die sleeve is inside from the top of die sleeve 13 on the plunger, gaseous can't pass the plunger under the inseparable condition of plunger and die sleeve laminating and enter into resistance pressure beam barrel 15, this plunger belongs to qualified product, and plunger and die sleeve laminating are inseparable, gaseous alright with the gap that passes between plunger and the die sleeve and enter into resistance pressure beam barrel 15 and cause the resistance value to change.

Further, the inside of resistance pressure shaft section of thick bamboo 15 is provided with resistance piston 17, and resistance piston 17 and resistance pressure shaft section of thick bamboo 15 sliding connection, resistance piston 17 receives atmospheric pressure when sliding downwards, resistance pressure shaft section of thick bamboo 15's resistance will change, because along with resistance piston 17's decline, the resistance can constantly increase, resistance piston 17's below is provided with reset spring 18, and reset spring 18 passes through the draw-in groove with resistance piston 17 and resistance pressure shaft section of thick bamboo 15 and is connected, reset spring 18 can resume resistance piston 17 to original position again after detecting.

Further, be provided with between mould cover 13 and the air pump switching shaft 9 on the plunger and inflate valve port 14, the top of closing workstation 3 on is provided with stores pneumatic cylinder 6, and stores pneumatic cylinder 6 and air pump switching shaft 9 and pass through the pipe connection, pours into the inside of mould cover 13 on the plunger through storing pneumatic cylinder 6 when detecting into gas to judge whether there is gas to pass the plunger and enter into resistance pressure axle tube 15.

Further, one side of the storage pneumatic cylinder 6 is provided with a hydraulic driving cylinder 5, the hydraulic driving cylinder 5 and the storage pneumatic cylinder 6 are connected with the upper closing workbench 3 through bolts, and the hydraulic driving cylinder 5 can control a hydraulic telescopic rod 7 to perform telescopic operation, so that combination between an upper die and a lower die is realized.

The working principle is as follows: when in use, a plunger is put into a plunger lower die sleeve 12 in a lower die holder 10, then an upper die and a lower die are combined with each other, a plunger upper die sleeve 13 in an upper die holder 11 is sleeved above the plunger, the plunger upper die sleeve 13 and the plunger lower die sleeve 12 can be replaced according to different shapes of a detection plunger, after the plunger is wrapped by the upper die sleeve and the lower die sleeve, air pressure is injected into the die sleeve from the top of the plunger upper die sleeve 13 by an air cylinder, air cannot penetrate through the plunger to enter a resistance pressure shaft barrel 15 under the condition that the plunger is tightly attached to the die sleeve, the plunger belongs to a qualified product, the plunger is not tightly attached to the die sleeve, the air can penetrate through a gap between the plunger and the die sleeve to enter the resistance pressure shaft barrel 15, and when the resistance piston 17 slides downwards under the air pressure, the resistance value of the resistance pressure shaft barrel 15 can change because of the resistance piston 17 descends, the resistance value can be continuously increased, a return spring 18 is arranged below the resistance piston 17, the return spring 18 is connected with the resistance piston 17 and the resistance pressure shaft barrel 15 through clamping grooves, the return spring 18 can restore the resistance piston 17 to the original position after detection, the air tightness of the plunger piston is problematic as long as the resistance value changes during detection, and the larger the value change, the worse the air tightness is.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a factory is with plunger subassembly inspection device that dispatches from factory, includes inspection workstation (1) and closes workstation (3) on with, its characterized in that: the outer surface of the inspection workbench (1) is provided with a pressure display screen (2), the outer surface of the upper closing workbench (3) is provided with a control module (4), a hydraulic telescopic rod piece (7) is arranged between the inspection workbench (1) and the upper closing workbench (3), the inspection workbench (1) is connected with the upper closing workbench (3) through the hydraulic telescopic rod piece (7), the top of the inspection workbench (1) is provided with a supporting switching shaft (8), the supporting switching shaft (8) is connected with the inspection workbench (1) through a bolt, a lower die holder (10) is arranged above the supporting switching shaft (8), the lower die holder (10) is connected with the supporting switching shaft (8) through a bolt, the bottom of the upper closing workbench (3) is provided with an air pump switching shaft (9), and the air pump switching shaft (9) is connected with the upper closing workbench (3) through a bolt, the bottom of air pump switching shaft (9) is provided with upper die base (11), and upper die base (11) pass through bolted connection with air pump switching shaft (9), upper die base (11) are connected with die holder (10) laminating.

2. The factory-used plunger assembly factory-inspection device as claimed in claim 1, wherein: the plunger upper die sleeve (13) is arranged inside the upper die base (11), the plunger upper die sleeve (13) is connected with the upper die base (11) through screws, the plunger lower die sleeve (12) is arranged inside the lower die base (10), and the plunger lower die sleeve (12) is connected with the lower die base (10) through screws.

3. The factory-used plunger assembly factory-inspection device as claimed in claim 2, wherein: the lower die sleeve (12) of the plunger is provided with a resistance pressure shaft cylinder (15) below, an air inlet (16) is formed between the resistance pressure shaft cylinder (15) and the lower die sleeve (12) of the plunger, and the resistance pressure shaft cylinder (15) is electrically connected with the pressure display screen (2).

4. The factory-used plunger assembly factory-inspection device as claimed in claim 3, wherein: resistance piston (17) is provided with in the inside of resistance pressure shaft section of thick bamboo (15), and resistance piston (17) and resistance pressure shaft section of thick bamboo (15) sliding connection, the below of resistance piston (17) is provided with reset spring (18), and reset spring (18) pass through the draw-in groove with resistance piston (17) and resistance pressure shaft section of thick bamboo (15) and be connected.

5. The factory-used plunger assembly factory-inspection device as claimed in claim 2, wherein: an inflation valve port (14) is arranged between the plunger upper die sleeve (13) and the air pump transfer shaft (9), a storage pneumatic cylinder (6) is arranged at the top of the upper closing workbench (3), and the storage pneumatic cylinder (6) is connected with the air pump transfer shaft (9) through a pipeline.

6. The factory plunger assembly factory inspection device as claimed in claim 5, wherein: one side of the storage pneumatic cylinder (6) is provided with a hydraulic driving cylinder (5), and the hydraulic driving cylinder (5) and the storage pneumatic cylinder (6) are connected with the upper closing workbench (3) through bolts.