CN113336180A

CN113336180A - Three-jaw vacuum filling gun

Info

Publication number: CN113336180A
Application number: CN202110692953.9A
Authority: CN
Inventors: 李点; 刘海
Original assignee: Jinan Ruijun Automation Equipment Co ltd
Current assignee: Jinan Ruijun Automation Equipment Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-09-03
Anticipated expiration: 2041-06-22
Also published as: CN113336180B

Abstract

The application discloses a three-jaw clamping jaw vacuum filling gun, which relates to the field of vacuum filling guns and is provided with a vacuum valve body and a shared valve body, wherein the vacuum valve body controls the vacuum process of a system, and the shared valve body controls the filling and suck-back processes of the system, so that the vacuum, filling and suck-back processes are independent, the weight of the filling gun is reduced by reducing the number of the valve bodies, meanwhile, the clamping space is obviously occupied, and the manufacturing cost is reduced; in addition, the upper part of the clamping jaw is provided with the concave radian matched with the limiting ring, when the clamping jaw is unfolded in an outward rotating mode, the movement is smoother and unsmooth, the damage to an oil tank opening due to untimely opening and closing of the clamping jaw is avoided, and the safety of the operation process is improved.

Description

Three-jaw vacuum filling gun

Technical Field

The application relates to the field of vacuum filling guns, in particular to a three-jaw vacuum filling gun.

Background

Because the production speed of the current automobile is high, the automobile is generally off-line within 120 seconds on a general assembly line, the oil system is of a closed circulating structure, the interior of the oil system is filled with air, and the oil cannot be filled into the oil system in a short time if the air is not discharged.

Therefore, the method of firstly pumping air out of the oil system by using a vacuum pump to enable the oil system of the automobile to be in a vacuum state and then injecting oil is adopted to shorten the filling time. However, in order to continuously supplement consumed oil to an automobile oil tank system, the vacuumizing and filling of a main tank on a general assembly line are automatically completed by equipment at present, and in the past, many filling guns, particularly vacuum filling guns, are heavy in weight and inconvenient to use, so that the labor intensity of field operators is increased, and an oil tank opening is easily damaged.

Disclosure of Invention

In view of the deficiencies and shortcomings in the prior art, the three-jaw vacuum filling gun has the advantages of being capable of reducing weight, small in clamping space requirement and lighter in operation.

The application is realized by the following technical scheme:

a three-jaw clamping jaw vacuum filling gun comprises a valve mounting block assembly, wherein the valve mounting block assembly is connected with a clamping mechanism assembly through a driving cylinder assembly, and a central liquid conveying pipe is arranged in a central cavity of the valve mounting block assembly, the driving cylinder assembly and the clamping mechanism assembly; the vacuum valve body controls the vacuum process of the system, and the common valve body controls the filling and suck-back processes of the system.

By adopting the technical scheme: the vacuumizing process of the filling gun is controlled by a vacuum valve body; the filling and suck-back processes are controlled by a shared valve body, one valve body is reduced compared with a traditional three-valve respective control system, the assembly is simpler, the quality is lighter, and the manual operation is convenient for operators to hold the valve body for a long time.

Further, valve installation block subassembly is including the installation piece, inside vacuum valve body and the sharing valve body of setting up of installation piece, vacuum valve body and sharing valve body top installation valve cap.

Furthermore, a filling channel, a suck-back channel and a vacuum channel are arranged in the mounting block; the filling channel and the suck-back channel are both communicated with the common valve body; the vacuum channel is communicated with the vacuum valve body; the middle part of the mounting block is provided with a main channel in the vertical direction, and the shared valve body is communicated with the main channel

By adopting the technical scheme: the filling channel, the suck-back channel and the vacuum channel are respectively designed in the mounting block, the three operation process channels are independent, the internal structure layout of the valve mounting block is reasonable, and the work of each node is free from interference.

Further, including transition block subassembly, transition block subassembly includes transition piece and guard shield, the transition piece sets up in the inside front end of guard shield and is connected with valve installation block subassembly.

Furthermore, a mounting seat is arranged at the top of the outer side of the protective cover, a fixing plate is obliquely arranged on the mounting seat, and a filling gun button is mounted on the fixing plate.

By adopting the technical scheme: the pipeline that the guard shield inside set up connects with the transition piece, and the guard shield plays the effect of protection inside pipeline and transition piece on the one hand, and on the other hand provides the support for the fixed of mount pad, is convenient for set up the filling gun button.

Further, the driving cylinder assembly comprises a driving cylinder, a piston and a piston sealing piece are connected in the driving cylinder, and the middle of the piston sealing piece is communicated with the main channel.

Furthermore, a protective shell is arranged at the upper part of the outer side of the clamping mechanism assembly, the clamping mechanism assembly comprises a jaw sleeve and a jaw, and the jaw is arranged in the lower area of the jaw sleeve; the inner side of the bottom of the clamping jaw sleeve is provided with a connecting block which is used for connecting the driving cylinder assembly and the clamping jaw sleeve; a sealing block and a sealing O-shaped ring are arranged below the connecting block and outside the piston; and a limiting ring is arranged on the outer side of the clamping jaw.

By adopting the technical scheme: the grabbing and releasing of the clamping jaws are controlled by the clamping jaw sleeve at the upper end, and the outward-opening radian of the clamping jaws is limited by the limiting ring, so that the clamping jaws can be grabbed accurately.

Furthermore, two sides of the top of the clamping jaw are movably connected with the clamping jaw sleeve through pin shafts; the upper part of the clamping jaw is provided with an inward concave radian matched with the limiting ring.

By adopting the technical scheme: the pin shaft connection enables the clamping jaw to rotate around the clamping jaw sleeve more flexibly, when the clamping jaw rotates outwards and expands, the concave part in the upper part of the clamping jaw is matched with the contact surface structure of the limiting ring, the clamping jaw moves more smoothly without clamping pause, and the damage to an oil tank opening due to untimely opening and closing of the clamping jaw can be avoided.

Further, still include the handle subassembly, the handle subassembly includes the handle, the handle end sets up the handle nut, the handle front end sets up the handle adapter sleeve, the handle subassembly passes through the handle adapter sleeve and connects on transition block group spare.

By adopting the technical scheme: an operator can conveniently hold the vacuum filling gun, the distance between the handle and the button of the filling gun is reasonable, and the device is convenient to operate and control to open and close.

In summary, the present application has the following beneficial effects:

1. the vacuum filling gun is provided with the vacuum valve body and the shared valve body, the vacuum valve body controls the vacuum process of the system, the filling and the suck-back processes of the shared valve body control system can realize the independence of vacuum, filling and suck-back, the weight of the filling gun is reduced by reducing the number of the valve bodies, the clamping space is also reduced, and the manufacturing cost is reduced.

2. The jack catch upper portion sets up the indent radian that matches with the spacing ring, and when the jack catch outwards rotated and expanded, the activity was more smooth and did not have the card pause, can not cause the damage to the oil tank port because of the jack catch opens and shuts untimely, has improved operation process's security.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a left side view of the present application;

FIG. 3 is a schematic view of a valve mounting block assembly;

FIG. 4 is a right side view of the valve mounting block assembly;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 4;

FIG. 8 is a schematic cross-sectional view taken along line D-D of FIG. 2;

FIG. 9 is an enlarged view of a portion of FIG. 8;

FIG. 10 is a top view of the transition block assembly and the valve mounting block assembly;

FIG. 11 is a schematic cross-sectional view taken along line E-E of FIG. 10;

FIG. 12 is a schematic cross-sectional view taken along line F-F of FIG. 10;

FIG. 13 is a schematic view of the clamping mechanism assembly;

fig. 14 is a schematic view of the jaw structure.

Description of reference numerals:

1. a handle assembly; 101. a handle; 102. a handle nut; 103. a handle connecting sleeve;

2. a transition block assembly; 201. a shield; 202. a mounting seat; 203. a fixing plate; 204. a gun filling button; 205. a transition block;

3. a valve mounting block assembly; 301. mounting blocks; 3011. a filling channel; 3012. a suck-back channel; 3013. a vacuum channel; 302. a vacuum valve body; 303. a common valve body; 304. a main channel;

4. a drive cylinder assembly; 401. a drive cylinder; 402. a piston; 403. a piston seal;

5. a clamping mechanism assembly; 501. a claw; 5011. concave radian; 502. a claw sleeve; 503. a limiting ring; 504. a sealing block; 505. connecting blocks;

6. a protective shell; 7. a central infusion tube.

Detailed Description

The present application is described in further detail below with reference to the attached drawings. The application discloses three-jaw jack catch vacuum filling rifle, refer to fig. 1-2, including valve installation block subassembly 3, valve installation block subassembly 3 is connected with clamping mechanism subassembly 5 through actuating cylinder subassembly 4, valve installation block subassembly 3, actuating cylinder subassembly 4 and clamping mechanism subassembly 5 central cavity set up central transfer line 7.

Referring to fig. 3-7, valve installation block subassembly 3 includes installation piece 301, the inside vacuum valve body 302 and the shared valve body 303 that sets up of installation piece 301, vacuum valve body 302 control system vacuum process, shared valve body 303 control system filling and suck-back process, vacuum valve body 302 and shared valve body 303 top installation valve cap.

A filling channel 3011, a suck-back channel 3012 and a vacuum channel 3013 are arranged in the mounting block 301; the filling channel 3011 and the suck-back channel 3012 are both communicated with the common valve body 303; the vacuum channel 3013 communicates with the vacuum valve body 302; the middle of the mounting block 301 is vertically provided with a main channel 304, and the common valve body 303 is communicated with the main channel 304. The valve mounting block assembly 3 plays a role in the transition connection of the transition block assembly 2 and the driving cylinder assembly 4, and realizes the installation of a vacuum system, a filling system and a back suction system.

The front end structure of the mounting block 301 is an inclined surface, so that the mass of the mounting block 301 is reduced on the premise of not influencing the internal channel of the mounting block 301, and the mounting block is convenient for an operator to better control.

Referring to fig. 8, the handle assembly 1 includes a handle 101, a handle nut 102 is disposed at the end of the handle 101, a handle connecting sleeve 103 is disposed at the front end of the handle 101, and the handle assembly 1 is connected to the transition block assembly 2 through the handle connecting sleeve 103. The handle assembly is used for connecting the filling hose and the transition block assembly to form a whole, so that the filling gun can be conveniently taken and placed.

Referring to fig. 9, the driving cylinder assembly 4 includes a driving cylinder 401, a piston 402 and a piston seal 403 are connected to the driving cylinder 401, and the middle of the piston seal 403 is communicated with the main passage 304. The drive cylinder assembly 4 effects clamping of the gun and provides power.

Referring to fig. 10 to 12, the transition block assembly 2 includes a transition block 205 and a shield 201, the transition block 205 is disposed at the front end inside the shield 201 and connected to the valve mounting block assembly 3, a pipe joint is disposed inside the shield 201 and connected to the transition block 205, and the end of the shield 201 is connected to the handle assembly 1; the top of the outer side of the protective cover 201 is provided with a mounting seat 202, the mounting seat 202 is obliquely provided with a fixing plate 203, the inclination angle of the fixing plate 203 is 60-70 degrees, the fixing plate 203 is provided with a filling gun button 204, and the left side and the right side of the filling gun button 204 are respectively provided with one for controlling vacuum and filling suck-back. The transition block assembly 2 is used for realizing connection of a vacuum pipeline and a filling pipeline, fixation of a filling gun button 204 and the like.

Referring to fig. 13 to 14, the clamping mechanism assembly 5 includes a jaw sleeve 502 and three jaws 501, the jaw sleeve 502 is located below the piston 402, and the jaws 501 are uniformly arranged at intervals of 120 degrees in a lower region of the jaw sleeve 502; a connecting block 505 is arranged on the inner side of the bottom of the jaw sleeve 502, and the connecting block 505 is used for connecting the driving cylinder assembly 4 and the jaw sleeve 502; a sealing block 504 and a sealing O-shaped ring are arranged below the connecting block 505 and outside the piston 402; and a limiting ring 503 is arranged on the outer side of the clamping jaw 501, and the clamping mechanism assembly 5 completes the connection and sealing of the filling gun and the oil can. Two sides of the top of the claw 501 are movably connected with the claw sleeve 502 through pin shafts; the upper part of the claw 501 is provided with an inward concave radian 5011 matched with the limit ring 503.

The working principle of this application does: in the using process, a filling gun is placed on an oil tank opening, a button 201 of the filling gun is pressed, a piston 403 extends out, a clamping mechanism assembly 5 is connected with the oil tank opening through a clamping claw 501, the piston 403 extends out and then is sealed with the oil tank opening through a sealing block 504, a vacuum valve body 302 is opened, a vehicle system pipeline is vacuumized through the oil tank opening, when the vacuum degree reaches a set value, the vacuum valve body 302 is closed, then the common valve body 302 is opened, a filling channel 3011 is communicated with the common valve body 302 and a main channel 404, the filling process is carried out, and the filling is automatically closed after the filling is finished; and finally, the suck-back channel 3012 is communicated with the common valve body 302 and the main channel 404, the redundant liquid is sucked back to the equipment, the common valve body 303 is closed after the suck-back quantity reaches the standard, the filling gun button 201 for stopping filling is pressed, the claw 5 is opened and separated from the oil tank port, and the filling process is finished.

The above is a preferred embodiment of the present application, and all modifications and variations that do not depart from the design concept, mechanical structure, and intelligent driving control of the present application are intended to be included within the scope of the present application.

Claims

1. The utility model provides a three-jaw jack catch vacuum filling rifle which characterized in that: the device comprises a valve mounting block assembly (3), wherein the valve mounting block assembly (3) is connected with a clamping mechanism assembly (5) through a driving cylinder assembly (4), and a central infusion tube (7) is arranged in a central cavity of the valve mounting block assembly (3), the driving cylinder assembly (4) and the clamping mechanism assembly (5); the vacuum valve is characterized in that a vacuum valve body (302) and a shared valve body (303) are arranged on the valve mounting block assembly (3), the vacuum valve body (302) controls the vacuum process of a system, and the shared valve body (303) controls the filling and suck-back processes of the system.

2. The vacuum filling gun with three jaws according to claim 1, wherein: valve installation block subassembly (3) are including installation piece (301), installation piece (301) are inside to set up vacuum valve body (302) and sharing valve body (303), the valve cap is installed at vacuum valve body (302) and sharing valve body (303) top.

3. The vacuum filling gun with three jaws according to claim 2, wherein: a filling channel (3011), a suck-back channel (3012) and a vacuum channel (3013) are arranged in the mounting block (301); the filling channel (3011) and the suck-back channel (3012) are both communicated with the common valve body (303); the vacuum channel (3013) is communicated with the vacuum valve body (302); the middle of the mounting block (301) is provided with a main channel (304) in the vertical direction, and the shared valve body (303) is communicated with the main channel (304).

4. The vacuum filling gun with three jaws according to claim 1, wherein: including transition block subassembly (2), transition block subassembly (2) are including transition piece (205) and guard shield (201), transition piece (205) set up in guard shield (201) inside front end and are connected with valve installation block subassembly (3).

5. The vacuum filling gun with three jaws according to claim 4, wherein: the top of the outer side of the protective cover (201) is provided with a mounting seat (202), the mounting seat (202) is provided with a fixing plate (203) in an inclined mode, and a filling gun button (204) is mounted on the fixing plate (203).

6. The vacuum filling gun with three jaws according to claim 2, wherein: the driving cylinder assembly (4) comprises a driving cylinder (401), a piston (402) and a piston sealing piece (403) are connected in the driving cylinder (401), and the middle of the piston sealing piece (403) is communicated with the main channel (304).

7. The vacuum filling gun with three jaws according to claim 1, wherein: the protective shell (6) is arranged at the upper part of the outer side of the clamping mechanism assembly (5), the clamping mechanism assembly (5) comprises a jaw sleeve (502) and a jaw (501), and the jaw (501) is arranged in the lower area of the jaw sleeve (502); a connecting block (505) is arranged on the inner side of the bottom of the clamping jaw sleeve (502), and the connecting block (505) is used for connecting the driving cylinder assembly (4) and the clamping jaw sleeve (502); a sealing block (504) and a sealing O-shaped ring are arranged below the connecting block (505) and outside the piston (402); and a limiting ring (503) is arranged on the outer side of the clamping jaw (501).

8. The vacuum filling gun with three jaws according to claim 7, wherein: two sides of the top of the clamping jaw (501) are movably connected with the clamping jaw sleeve (502) through pin shafts; the upper part of the clamping jaw (501) is provided with an inward concave radian (5011) matched with the limiting ring (503).

9. The vacuum filling gun with three jaws according to claim 1, wherein: still include handle subassembly (1), handle subassembly (1) includes handle (101), handle (101) end sets up handle nut (102), handle (101) front end sets up handle adapter sleeve (103), handle subassembly (1) is connected on transition block subassembly (2) through handle adapter sleeve (103).