Negative pressure paint dipping and glue filling exhaust tool structure

Abstract

The utility model provides a negative pressure paint dipping and glue filling exhaust tool structure, which relates to the technical field of negative pressure transformers, and comprises a piston structure assembly, a cover plate assembly, a tank body, a piston cylinder, an O-shaped sealing ring, a flange nut, a hand wheel, a lock washer, a round nut, a grate, a pin shaft, a cotter pin, a movable joint stud and a lifting ring nut, cotter pins are arranged on the two sides of the tank body, the cover plate assembly and the tank body are matched, bolted and fixed through a movable joint stud, a lifting ring nut and the cotter pins, a piston cylinder is transversely fixed to the lower portion of the tank body, the piston cylinder and the tank body are bolted and fixed, and an O-shaped sealing ring is arranged between the piston cylinder and the tank body for sealing. The device is convenient to use, the possibility of burning explosion caused by the fact that voltage enters a diluent or an initiating explosive device is effectively reduced and eradicated, the production safety is improved, meanwhile, the device is flexible to use and convenient to move, and the use efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer negative pressure dip paint and pyrotechnics glue filling exhaust technology field, concretely is a negative pressure dip paint and glue filling exhaust frock structure. BACKGROUND

[0002] The negative pressure dip paint is an insulation treatment process under the vacuum negative pressure environment, during the negative pressure dip paint process, the coil to be handled is placed in the insulating paint, then vacuum is extracted to form the negative pressure environment, so that the insulating paint can quickly, uniformly and completely penetrate into every tiny pore and interstice of the coil, increase the filling rate, thereby improving the mechanical strength, insulation strength and moisture-proof, mildew-proof and other properties of the electronic transformer coil.

[0003] The glue filling is to fill the sealant into the specific part or space of the pyrotechnics, and the glue filling exhaust is a technology of using the negative pressure environment to exhaust the gas during the glue filling, the negative pressure environment can make the gas quickly overflow from the glue liquid and the filling space, thereby improving the exhaust efficiency, if the gas exists during the glue filling, two problems can be caused: 1, the air bubble cavity is formed, the quality and integrity of the glue filling are affected, and the performance or strength of the product is reduced; 2, the sealant flow is hindered, the sealant is unevenly distributed, and the filling effect is affected.

[0004] The diluent in the dip paint process insulating paint and the reagent in the pyrotechnics have the risk of combustion and explosion, the combustion and explosion accidents caused by static discharge or electric leakage are prevented and reduced, the safety accidents caused by static electricity and electric leakage can be fundamentally solved in the power-free operation space, in addition, the static electricity also adsorbs the dust and the small particles mixed into the insulating paint or the sealant, the quality indexes such as the insulation resistance and the dielectric strength of the product are affected, the electric vacuum equipment exists the problems of large operation space, power supply, and certain electric explosion danger of the diluent and the pyrotechnics.

[0005] Therefore, it is urgent to develop a negative pressure dip paint and glue filling exhaust frock structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a negative pressure dip paint and glue filling exhaust frock structure, solved the existing technology in because the combustion and explosion accident caused by static discharge or electric leakage in the dip paint process, improved production safety, improved production efficiency simultaneously.

[0007] In order to achieve the above object, the utility model discloses a negative pressure paint and glue filling exhaust tool structure, including piston structure subassembly, apron subassembly, jar body, piston cylinder, O type sealing ring, flange nut, hand wheel, stop washer, round nut, grating, pin shaft, cotter pin, knuckle pin and ring nut, the upper portion of jar body is equipped with apron subassembly, the both sides of jar body are equipped with cotter pin, apron subassembly and jar body are fixed with knuckle pin, ring nut and cotter pin cooperation bolt joint, the lower portion of jar body is horizontally fixed with piston cylinder, piston cylinder and jar body are fixed with bolt, the interval between piston cylinder and jar body is equipped with O type sealing ring and seals, the upper portion of apron is bolted and fixed with ring nut.

[0008] Preferably, the front of the piston cylinder is provided with a flange nut, the piston structure assembly is horizontally placed inside the piston cylinder through the flange nut, the front of the piston structure assembly is provided with a hand wheel, the hand wheel and the piston structure assembly are provided with a stop washer, and the front end of the piston structure assembly is clamped and fixed with a round nut.

[0009] Preferably, the piston structure assembly includes a piston, a piston transmission rod, a guide belt, a piston oil seal, a dustproof ring, a bearing, an inner snap spring and an outer snap spring, the outer side of the piston is sequentially provided with the guide belt, the piston oil seal, the dustproof ring and the bearing, the inner side of the piston is provided with the bearing, and the middle part of the piston is provided with the piston transmission rod.

[0010] Preferably, the top of the piston transmission rod is provided with a T-shaped disc structure, the lower part of the T-shaped disc structure is provided with a clamping groove, the piston transmission rod passes through the bearing and the outer snap spring is clamped in the clamping groove position, so that the piston transmission rod and the bearing are transversely clamped and fixed, and the piston transmission rod is transversely clamped and fixed with the piston and the bearing through the outer snap spring.

[0011] Preferably, the apron subassembly includes a cover plate, a sealing washer, an O-shaped sealing ring, a window, a flange plate, a check valve, a vacuum safety valve, an adapter, a vacuum pressure gauge, an inside and outside connecting ball valve and a silencer, the middle part of the cover plate is provided with a through hole, the upper part of the through hole is provided with a window, the window and the cover plate are provided with an O-shaped sealing ring, the flange plate is arranged above the window, and the flange plate and the cover plate are bolted and fixed, the upper part of the cover plate is bolted and fixed with the check valve, the upper part of the cover plate is bolted and fixed with the vacuum safety valve, and the upper part of the cover plate is bolted and fixed with two adapters.

[0012] Preferably, the two adapters are symmetrically arranged, one of the adapters is bolted and fixed with a vacuum pressure gauge above, the other adapter is bolted and fixed with a silencer above, and the check valve is bolted and fixed with an inside and outside connecting ball valve above.

[0013] Preferably, the lower part of the cover plate is provided with a sealing washer corresponding to the caliber of the jar body.

[0014] Preferably, an annular baffle is provided in the middle of the tank body, and the annular baffle is engaged with the grid.

[0015] Preferably, there are four cotter pins, and the cotter pins are arranged symmetrically.

[0016] Preferably, a grounding mark is provided at the bottom of the tank.

[0017] Beneficial effects

[0018] This utility model provides a negative pressure impregnation and glue filling venting fixture structure, which has the following advantages compared with the existing technology:

[0019] 1. This utility model replaces the original electric vacuum equipment for dispensing and venting. It does not require a power supply and the equipment is vacuumed by manually rotating the handwheel. It is convenient to use and effectively reduces and eliminates the possibility of voltage leakage into the thinner or pyrotechnics, which may cause combustion and explosion, thus increasing production safety.

[0020] 2. This utility model features a piston cylinder horizontally positioned at the bottom of the tank, resulting in a small structural joint that does not occupy working space. Furthermore, the equipment is flexible, easy to move, and increases its efficiency.

[0021] 3. This utility model equipment is compact, simple in structure, convenient to maintain and repair, and has a good vacuuming effect, which improves the product yield. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a cross-sectional view of the AA section of this utility model;

[0025] Figure 3 This is a schematic diagram of the cover plate assembly structure of this utility model;

[0026] Figure 4 This is a cross-sectional view of the cover plate assembly of this utility model;

[0027] Figure 5 This is a cross-sectional view of the piston structure assembly of this utility model.

[0028] In the diagram: 1. Piston structure assembly, 101. Piston, 102. Piston drive rod, 103. Guide belt, 104. Piston oil seal, 105. Dust seal, 106. Bearing, 107. Inner snap ring, 108. Outer snap ring;

[0029] 2. Cover plate assembly, 201. Cover plate, 202. Sealing gasket, 203. Adapter, 204. Viewing window, 205. Flange plate, 206. Check valve, 207. Vacuum safety valve, 208. Silencer, 209. Vacuum pressure gauge, 210. Internal and external ball valve.

[0030] 3. Tank body; 4. Piston cylinder; 5. O-ring seal; 6. Flange nut; 7. Handwheel; 8. Locking washer; 9. Round nut; 10. Grate; 11. Pin; 12. Cotter pin; 13. Swivel stud; 14. Eye nut. Detailed Implementation

[0031] To make the technical problems, technical solutions and beneficial effects of this utility model clearer, this utility model will be further described in detail with reference to the embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. The technical solutions of this utility model will be described in detail below with reference to the embodiments and accompanying drawings, but the scope of protection is not limited thereto.

[0032] A negative pressure impregnation and glue filling venting fixture structure includes a piston structure assembly 1, a cover plate assembly 2, a tank body 3, a piston cylinder 4, an O-ring seal 5, a flange nut 6, a handwheel 7, a stop washer 8, a round nut 9, a grate 10, a pin 11, a cotter pin 12, a stud 13, and a lifting eye nut 14. The cover plate assembly 2 is located on top of the tank body 3, and cotter pins 12 are located on both sides of the tank body 3. The cover plate assembly 2 and the tank body 3 are bolted together and fixed by the stud 13, the lifting eye nut 14, and the cotter pins 12. The piston cylinder 4 is horizontally fixed below the tank body 3 and is bolted to the tank body 3. The device has a small size. An O-ring seal 5 is provided between the piston cylinder 4 and the tank body 3 for sealing. The lifting eye nut 14 is bolted to the top of the cover plate 201 to facilitate the opening of the cover plate 201.

[0033] In some embodiments, a flange nut 6 is provided in front of the piston cylinder 4, and the piston structure assembly 1 is placed horizontally inside the piston cylinder 4 through the flange nut 6. A handwheel 7 is provided in front of the piston structure assembly 1, and a stop washer 8 is provided between the handwheel 7 and the piston structure assembly 1. The rotation of the handwheel 7 drives the piston assembly to rotate, causing the piston 101 to move forward or retract. A round nut 9 is snapped and fixed at the front end of the piston structure assembly 1 to ensure that the piston structure assembly 1 and the handwheel 7 are securely installed.

[0034] In some embodiments, the piston structure assembly 1 includes a piston 101, a piston drive rod 102, a guide belt 103, a piston oil seal 104, a dust seal 105, a bearing 106, an inner retaining ring 107, and an outer retaining ring 108. The guide belt 103, piston oil seal 104, dust seal 105, and bearing 106 are sequentially provided on the outer side of the piston 101. The bearing 106 is provided on the inner side of the piston 101. The piston drive rod 102 is installed in the middle of the piston 101. The piston drive rod 102 passes through the bearing 106 and is engaged and fixed with the piston 101.

[0035] In some embodiments, the piston drive rod 102 has a T-shaped disc structure at its top and a slot below the T-shaped disc structure. The piston drive rod 102 passes through the bearing 106 and is engaged with the outer retaining spring 108 in the slot, so that the piston drive rod 102 and the bearing 106 are laterally engaged and fixed. The piston drive rod 102 is laterally engaged and fixed with the piston 101 and the bearing 106 by the outer retaining spring 108. The movement of the piston drive rod 102 drives the piston 101 to do work.

[0036] In some embodiments, the cover plate assembly 2 includes a cover plate 201, a sealing gasket 202, an O-ring seal 5, a viewing window 204, a flange plate 205, a check valve 206, a vacuum safety valve 207, an adapter 203, a vacuum pressure gauge 209, an internal and external ball valve 210, and a silencer. The cover plate 201 has a through hole in the middle, and a viewing window 204 is provided above the through hole. The product status can be observed through the viewing window 204. An O-ring seal is provided between the viewing window 204 and the cover plate 201. The flange plate 205 is located above the viewing window 204 and is bolted to the cover plate 201 to ensure that the viewing window 204 is securely installed. A check valve 206 is bolted to the top of the cover plate 201. A vacuum safety valve 207 is bolted to the top of the cover plate 201. Two adapters 203 are bolted to the top of the cover plate 201.

[0037] In some embodiments, two adapters 203 are symmetrically arranged. A vacuum pressure gauge 209 is bolted to the top of one adapter 203 to detect the pressure inside the equipment. A silencer is bolted to the top of the other adapter 203. An internal and external ball valve 210 is bolted to the top of the check valve 206. The silencer 208 and the internal and external ball valve 210 can be used for vacuum exhaust.

[0038] In some embodiments, a sealing gasket 202 corresponding to the diameter of the tank body 3 is provided below the cover plate 201 to ensure good sealing of the equipment.

[0039] In some embodiments, an annular baffle is provided in the middle of the tank body 3, and the annular baffle is engaged with the grid 10. The annular baffle is used to support the grid 10.

[0040] In some embodiments, there are four cotter pins 12, which are symmetrically arranged and their positions correspond to the positions of the cover plate 201, so that the equipment is well sealed.

[0041] In some embodiments, a grounding mark is provided below the tank body 3 to facilitate power connection of the equipment and eliminate static electricity during the operation of the piston 101.

[0042] Example 1

[0043] The assembly process of the piston structure component 1 in this utility model includes: mounting the bearing 106 onto the piston transmission rod 102; installing an external retaining ring 108 on the piston transmission rod 102; fixing the bearing 106; placing the front end of the bearing 106 of the piston transmission rod 102 with the bearing 106 fixed into the bearing 106 mounting hole of the piston; installing an internal retaining ring 107; fixing the bearing 106 and the piston 101; and sequentially installing the piston oil seal 104, dust seal 105, and guide belt 103 in the corresponding positions in the outer ring groove of the piston 101. When installing the piston oil seal 104, the opening faces away from the piston transmission rod 102.

[0044] The assembly process of the cover plate assembly 2 of this utility model includes: installing a sealing gasket 202 in the sealing groove below the cover plate 201, installing an O-ring 5 in the sealing groove above the cover plate 201, installing the viewing window 204 on the cover plate 201, pressing the flange plate 205 onto the viewing window 204, aligning the bolt holes of the flange plate 205 with the threaded blind holes of the cover plate 201, fixing the viewing window 204 and the flange plate 205 with bolts, flat washers, and spring washers, sequentially installing the adapter 203, vacuum safety valve 207, adapter 203, and check valve 206 clockwise through the four threaded through holes of the cover plate 201, installing a vacuum pressure gauge 209 and an internal / external ball valve 210 on the two adapters 203 respectively, installing a silencer 208 on the internal / external ball valve 210 on the adapter 203, and installing an internal / external ball valve 210 on the check valve 206.

[0045] The assembly process of this utility model includes: placing an O-ring 5 into the flange sealing groove of the tank body 3; inserting the piston cylinder 4 into the flange hole of the tank body 3; the piston drive rod 102 of the piston structure assembly 1 has threads and is installed together with the flange nut 6; inserting the piston structure assembly 1 into the piston cylinder 4; aligning the flange nut 6, the piston cylinder 4, and the flange bolt holes of the tank body 3; fixing with bolts, nuts, spring washers, and flat washers; putting the handwheel 7 onto the piston drive rod 102; installing a stop washer 8 and a round nut 9 on the piston drive rod 102; fixing the stop washer 8; inserting the pin shaft 11 into the shaft hole of the tank body 3 and the shaft hole of the hinge stud 13; and fixing with a cotter pin 12 inserted into the pin hole of the pin shaft 11.

[0046] The usage process of this utility model is as follows: reliably connect the bolt at the grounding mark of the tank body 3 to the grounding wire, loosen the lifting eye nut 14, remove the cover plate assembly 2 and the grate 10, turn the handwheel 7, and fully insert the piston 101 into the piston cylinder 4. Add a certain amount of No. 46 hydraulic oil to the tank body 3 to completely submerge the piston cylinder 4. Place the grate 10 into the tank body 3, place the open container with the coil immersed in insulating varnish or the pyrotechnic item filled with sealant on the grate 10, cover the cover plate assembly 2 on the tank body 3, and align the sealing gasket 202 on the cover plate 201 with the sealing surface of the tank body 3. Turn the lifting eye nut 14 onto the cover plate 201 and tighten it repeatedly diagonally. Close the two internal and external ball valves 210, and gradually turn the handwheel 7 to unscrew the piston 101 outwards while observing the vacuum pressure gauge 209. Tighten the valve to the required pressure and stop. After the required process time is reached, slowly open the inner and outer ball valves 210 of the air inlet to release pressure. Tighten the handwheel 7 to return the piston 101 to the initial position. Loosen the lifting ring nut 14, remove the cover plate assembly 2, take out the product, and complete the operation. The inner and outer ball valves 210 connected to the check valve 206 can be connected to the vacuum pump pipeline for vacuuming. The silencer 208 and the inner and outer ball valves 210 can be used for vacuum exhaust.

[0047] The above description is a further detailed explanation of the present invention in conjunction with specific preferred embodiments. For those skilled in the art to which the present invention pertains, several simple deductions or substitutions can be made without departing from the present invention, and all such deductions or substitutions should be considered as falling within the scope of patent protection determined by the submitted claims.

Claims

1. A negative pressure paint dipping and glue filling exhaust tool structure, characterized in that The utility model provides a piston structure assembly, a cover plate assembly, a tank body, a piston cylinder, an O type sealing ring, a flange nut, a hand wheel, a stop washer, a round nut, a grate, a pin shaft, a cotter pin, a hinged stud and a lifting ring nut, the tank body is equipped with the cover plate assembly above, both sides of the tank body are equipped with the cotter pin, the cover plate assembly and the tank body are fixed through the hinged stud, the lifting ring nut and the cotter pin, the piston cylinder is fixed below the tank body, the piston cylinder and the tank body are fixed, the O type sealing ring is arranged between the piston cylinder and the tank body and is used for sealing, and the lifting ring nut is fixed above the cover plate assembly.

2. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 1, wherein The piston structure assembly passes through the flange nut and is horizontally arranged in the piston cylinder, the hand wheel is arranged in front of the piston structure assembly, the stop washer is arranged between the hand wheel and the piston structure assembly, and the round nut is clamped and fixed to the front end of the piston structure assembly.

3. The vacuum impregnation and glue infusion exhaust tooling structure of claim 2, wherein, The piston structure assembly comprises a piston, a piston transmission rod, a guide belt, a piston oil seal, a dustproof ring, a bearing, an inner snap spring and an outer snap spring, the piston is sequentially provided with the guide belt, the piston oil seal, the dustproof ring and the bearing outside, the piston is provided with the bearing inside, and the piston transmission rod is installed in the middle of the piston.

4. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 3, characterized in that, The top of the piston transmission rod is provided with a T-shaped disc structure, the T-shaped disc structure is provided with a clamping groove below, the piston transmission rod passes through the bearing and is clamped in the clamping groove by the outer snap spring, so that the piston transmission rod is transversely clamped and fixed with the bearing, and the piston transmission rod is transversely clamped and fixed with the piston and the bearing by the outer snap spring.

5. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 4, wherein The cover plate assembly comprises a cover plate, a sealing washer, an O type sealing ring, a window, a flange plate, a check valve, a vacuum safety valve, an adapter, a vacuum pressure gauge, an inside-out ball valve and a silencer, the cover plate is provided with a through hole in the middle, the window is arranged above the through hole, the O type sealing ring is arranged between the window and the cover plate, the flange plate is arranged above the window and is fixed with the cover plate, the check valve is fixed above the cover plate, the vacuum safety valve is fixed above the cover plate, and two adapters are fixed above the cover plate.

6. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 5, wherein The two adapters are symmetrically arranged, the vacuum pressure gauge is fixed above one of the adapters, the silencer is fixed above the other adapter, and the inside-out ball valve is fixed above the check valve.

7. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 6, wherein The cover plate is provided with the sealing washer below corresponding to the caliber of the tank body.

8. The negative pressure paint dipping and glue filling exhaust tool structure according to claim 7, characterized in that, The tank body is provided with an annular baffle in the middle, and the annular baffle is clamped with the grate. 9.The negative pressure paint dipping and glue filling exhaust tooling structure of claim 8, wherein, The cotter pin is four, and the cotter pins are symmetrically arranged. 10.The negative pressure paint dipping and glue filling exhaust tool structure according to claim 9, characterized in that, The tank body is provided with a grounding mark below.

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