Vacuum unit for production process of epoxy resin and epichlorohydrin

Abstract

The utility model relates to the technical field of vacuum units, and discloses a vacuum unit for an epoxy resin and epichlorohydrin production process, which comprises a base, an air pressure cavity is arranged in a damping bottom plate, and the upper surface of the damping bottom plate is fixedly connected with the vacuum unit. An air inlet cavity is fixedly connected to the position, located on the left side of the vacuum unit, of the upper surface of the damping bottom plate, an air inlet pipe is integrally formed on the upper surface of the air inlet cavity, the right side of the air inlet cavity is fixedly connected with the left end of the output end of the vacuum unit, and a sliding groove is formed in the air inlet cavity; a filter plate is slidably connected to the position, located on the inner side of the sliding groove, in the air inlet cavity. When the pull plate moves leftwards on the handle, the shaft rod is driven to rotate under the meshing action of the rack and the arc-shaped toothed plate, then the universal wheel is driven to be contracted, and the effect that the universal wheel can be contracted and is convenient to use is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum units, in particular to a vacuum unit for production processes of epoxy resin and epichlorohydrin. Background Art

[0002] Epoxy resin is a high molecular polymer with the molecular formula (C11H12O3)n. It is a general term for a class of polymers containing two or more epoxy groups in the molecule. It is a condensation product of epichlorohydrin and bisphenol A or polyols. Vacuum units are required in the production process of epoxy resin and epichlorohydrin.

[0003] Patent Publication No. (CN218177461U) discloses an environmentally friendly vacuum unit, which belongs to the technical field of vacuum units, and includes a fixed base and a vacuum unit body located above the fixed base, one side of the top of the fixed base is fixedly connected with a connecting seat, the top of the connecting seat is connected to the vacuum unit body, the other side of the top of the fixed base is provided with a gas-liquid box for separating water and gas, and the gas-liquid box is connected to the outlet end of the vacuum unit body by a connecting pipe, the bottom of the fixed base is provided with two movable cavities, and the inner circumference of the movable cavity is provided with portable components for movement and fixation. The environmentally friendly vacuum unit is not only easy to move and fix, but also can separate liquid and gas, and is easy to clean impurities.

[0004] The above technology has the problems that the universal wheels are inconvenient to fix and operate when in use or storage, and the unit vibrates and shakes when working, which need to be improved. For this reason, we propose a vacuum unit for epoxy resin and epichlorohydrin production process. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a vacuum unit for epoxy resin and epichlorohydrin production process, which can solve the problems of inconvenient fixing and operation of universal wheels during use or storage, as well as vibration and shaking of the unit during operation.

[0006] To solve the above technical problems, according to one aspect of the utility model, more specifically, a vacuum unit for epoxy resin and epichlorohydrin production process comprises a base, the upper surface of the base is fixedly connected to a plurality of shock-absorbing cavities, a sliding hole is provided on the upper surface of the shock-absorbing cavity, a sliding plate is slidably connected to the interior of the shock-absorbing cavity, a connecting plate is fixedly connected to the upper surface of the sliding plate, the top ends of the plurality of connecting plates respectively pass through the plurality of sliding holes, and are fixedly connected to a shock-absorbing bottom plate together, a plurality of springs are fixedly connected between the shock-absorbing bottom plate and the base, an air pressure cavity is provided inside the shock-absorbing bottom plate, a vacuum unit is fixedly connected to the upper surface of the shock-absorbing bottom plate, and the upper surface of the shock-absorbing bottom plate and the air pressure cavity are located at the bottom of the shock-absorbing bottom plate. The left side of the vacuum unit is fixedly connected with an air intake chamber, the upper surface of the air intake chamber is integrally formed with an air intake pipe, the right side of the air intake chamber is fixedly connected to the left end of the output end of the vacuum unit, a sliding groove is provided inside the air intake chamber, a filter plate is slidably connected inside the air intake chamber and located on the inner side of the sliding groove, an air pressure box is fixedly connected inside the air intake chamber and located below the sliding groove, a sliding hole 2 is provided on the upper surface of the air pressure box, a hose is integrally formed with the bottom of the air pressure box, the bottom end of the hose is connected to the air pressure chamber, a sliding block is slidably connected to the inside of the air pressure box, the upper surface of the sliding block is fixedly connected to connecting plate 2, the top of the connecting plate 2 passes through the sliding hole 2 and is fixedly connected to the push plate.

[0007] Furthermore, a pull plate is slidably connected to the inside of the base, the right side of the pull plate penetrates to the right side of the base and is fixedly connected to a handle, the upper surface of the pull plate and located on the right side of the base are provided with two positioning holes, the lower surface of the pull plate and located inside the base are fixedly connected with two racks, the lower surface of the base is provided with two storage grooves, the inside of the base is fixedly connected with two shaft rods, the outer side wall of the shaft rod is rotatably connected to a support rod via a rotating shaft, the top end of the support rod is fixedly connected with an arc-shaped tooth plate, and the arc-shaped tooth plate is meshingly connected to the rack.

[0008] Furthermore, a positioning box is fixedly connected to the right side of the base and above the pull plate, a connecting air pipe is integrally formed on the right side of the positioning box, an air bag is fixedly connected to the right end of the connecting air pipe, and the air bag is fixedly connected to the handle.

[0009] Furthermore, the interior of the positioning box is slidably connected to a piston plate, a plurality of springs are fixedly connected between the piston plate and the positioning box, a positioning block is fixedly connected to the lower surface of the piston plate, the bottom end of the positioning block passes through the bottom of the positioning box and is engaged with the interior of the positioning port located on the left side of the upper surface of the pull plate.

[0010] Furthermore, a sealing ring is fixedly connected to the inner lower surface of the positioning box and located on the outer side of the positioning block.

[0011] Furthermore, the bottom end of the support rod is fixedly connected with a universal wheel.

[0012] The utility model provides a vacuum unit for epoxy resin and epichlorohydrin production process with the following beneficial effects:

[0013] When the vacuum unit is working, the gas enters the air intake chamber through the air intake pipe, and then passes through the internal filter plate to achieve the filtering effect. The vibration generated when the vacuum unit is working, at this time, the damping bottom plate and the spring drive the sliding plate in the damping bin to move up and down, and then the air inside the damping bin passes through the inside of the hose body cavity. At this time, the gas inside the air pressure chamber enters the inside of the air pressure box through the hose, so that the sliding block slides up and down repeatedly, and at this time drives the push plate to push the filter plate up and down to repeatedly shake, so that the filter plate is not blocked by impurities, and the air intake is better and more uniform.

[0014] When the pull plate moves to the left in the handle, the meshing action of the rack and the arc-shaped toothed plate drives the shaft rod to rotate, and then drives the universal wheel to retract, so that the universal wheel can be retracted for convenient use. When the positioning block is engaged with the inner side of the positioning hole to fix the pull plate, the airbag is pressed and enters the positioning box through the connecting air pipe, so that the piston plate moves upward, and the positioning block is engaged with the positioning holes different from those on the pull plate.

[0015] When the piston plate is acted on by the second spring, the positioning block is engaged in the positioning hole of the pull plate, thereby fixing the pull plate, and then the universal wheel is fixed when in use or stored, which is convenient for use. When the positioning block is engaged in the inner side of the positioning hole to fix the pull plate, the airbag is pressed and enters the positioning box through the connecting air pipe, so that the piston plate moves upward, and the positioning block is engaged in different positioning holes on the pull plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the overall structure of a vacuum unit for epoxy resin and epichlorohydrin production process of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of a vacuum unit for epoxy resin and epichlorohydrin production process of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional connection structure of a positioning box and a pull plate of a vacuum unit for epoxy resin and epichlorohydrin production process of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of a shock-absorbing chamber of a vacuum unit for use in the production process of epoxy resin and epichlorohydrin in the utility model;

[0021] Figure 5 This is a schematic cross-sectional view of the air inlet chamber of a vacuum unit for use in the production process of epoxy resin and epichlorohydrin according to the utility model;

[0022] Figure 6 The utility model is a vacuum unit for epoxy resin and epichlorohydrin production process Figure 5 A is an enlarged structural diagram of FIG.

[0023] In the figure: 1. base; 2. shock-absorbing chamber; 3. sliding hole 1; 4. sliding plate; 5. connecting plate 1; 6. shock-absorbing bottom plate; 7. spring 1; 8. air pressure chamber; 9. vacuum unit; 10. air inlet chamber; 11. sliding groove; 12. air pressure box; 13. sliding hole 2; 14. hose; 15. sliding block; 16. connecting plate 2; 17. push plate; 18. pull plate; 19. rack; 20. storage groove; 21. shaft; 22. support rod; 23. universal wheel; 24. arc tooth plate; 25. positioning port; 26. positioning box; 27. piston plate; 28. positioning block; 29. ​​sealing ring; 30. spring 2; 31. connecting air pipe; 32. air bag; 33. handle; 34. air inlet pipe; 35. filter plate. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0025] According to one aspect of the present invention, Figure 1-6As shown, a vacuum unit for epoxy resin and epichlorohydrin production process is provided, including a base 1, a plurality of shock absorbing chambers 2 are fixedly connected to the upper surface of the base 1, a sliding hole 3 is opened on the upper surface of the shock absorbing chamber 2, a sliding plate 4 is slidably connected inside the shock absorbing chamber 2, a connecting plate 5 is fixedly connected to the upper surface of the sliding plate 4, the top ends of the plurality of connecting plates 5 respectively pass through the plurality of sliding holes 3, and are fixedly connected to a shock absorbing bottom plate 6 together, a plurality of springs 7 are fixedly connected between the shock absorbing bottom plate 6 and the base 1, an air pressure chamber 8 is opened inside the shock absorbing bottom plate 6, a vacuum unit 9 is fixedly connected to the upper surface of the shock absorbing bottom plate 6, an air inlet chamber 10 is fixedly connected to the upper surface of the shock absorbing bottom plate 6 and located on the left side of the vacuum unit 9, and the air inlet chamber 10 is fixedly connected to the upper surface of the shock absorbing bottom plate 6 and located on the left side of the vacuum unit 9. An air intake pipe 34 is integrally formed on the upper surface of 10, the right side of the air intake chamber 10 is fixedly connected to the left end of the output end of the vacuum unit 9, a sliding groove 11 is provided inside the air intake chamber 10, a filter plate 35 is slidably connected inside the air intake chamber 10 and located inside the sliding groove 11, an air pressure box 12 is fixedly connected inside the air intake chamber 10 and located below the sliding groove 11, a sliding hole 2 13 is provided on the upper surface of the air pressure box 12, a hose 14 is integrally formed at the bottom of the air pressure box 12, the bottom end of the hose 14 is connected to the air pressure chamber 8, a sliding block 15 is slidably connected inside the air pressure box 12, the upper surface of the sliding block 15 is fixedly connected to the connecting plate 2 16, the top end of the connecting plate 2 16 passes through the sliding hole 2 13 and is fixedly connected to the push plate 17;

[0026] When the vacuum unit 9 is working, the gas enters the air intake chamber 10 through the air intake pipe 34, and then achieves the filtering effect under the action of the internal filter plate 35. The vibration generated when the vacuum unit 9 is working, at this time, under the action of the shock-absorbing bottom plate 6 and the spring 7, drives the sliding plate 4 in the shock-absorbing bin 2 to move up and down, and then makes the air inside the shock-absorbing bin 2 pass through the inside of the hose body cavity 8. At this time, the internal gas of the air pressure chamber 8 enters the inside of the air pressure box 12 through the hose 14, so that the sliding block 15 slides up and down repeatedly, and at this time drives the push plate 17 to push the filter plate 35 to shake up and down repeatedly, so that the filter plate is not blocked by impurities, and the effect of better uniform air intake is achieved.

[0027] In this embodiment, a pull plate 18 is slidably connected to the inside of the base 1, the right side of the pull plate 18 penetrates to the right side of the base 1, and is fixedly connected to a handle 33, the upper surface of the pull plate 18 and located on the right side of the base 1 is provided with two positioning holes 25, the lower surface of the pull plate 18 and located inside the base 1 is fixedly connected with two racks 19, the lower surface of the base 1 is provided with two storage grooves 20, the inside of the base 1 is fixedly connected with two shafts 21, the outer side wall of the shaft 21 is rotatably connected with a support rod 22 through a rotating shaft, the top of the support rod 22 is fixedly connected with an arc-shaped tooth plate 24, and the arc-shaped tooth plate 24 is meshed with the rack 19;

[0028] When the pull plate 18 moves to the left on the handle 33, the gear rack 19 and the arc-shaped gear plate 24 mesh with each other, driving the shaft 21 to rotate, and then driving the universal wheel 23 to retract, so that the universal wheel 23 can be retracted for easy use.

[0029] In this embodiment, a positioning box 26 is fixedly connected to the right side of the base 1 and above the pull plate 18. A connecting air pipe 31 is integrally formed on the right side of the positioning box 26. An air bag 32 is fixedly connected to the right end of the connecting air pipe 31. The air bag 32 is fixedly connected to the handle 33.

[0030] When the positioning block 28 is engaged with the fixing pull plate 18 inside the positioning hole 25 , under the pressure of the airbag 32 , it enters the positioning box 26 through the connecting air pipe 31 , causing the piston plate 27 to move upward until the positioning block 28 is engaged with a positioning hole 25 different from the pull plate 18 .

[0031] In this embodiment, a piston plate 27 is slidably connected to the interior of the positioning box 26, and a plurality of springs 230 are fixedly connected between the piston plate 27 and the positioning box 26. A positioning block 28 is fixedly connected to the lower surface of the piston plate 27, and the bottom end of the positioning block 28 passes through the lower part of the positioning box 26 and is engaged with the interior of the positioning opening 25 located on the left side of the upper surface of the pull plate 18.

[0032] When the piston plate 27 is under the action of the spring 2 30, the positioning block 28 is engaged in the positioning hole 25 of the pull plate 18, thereby fixing the pull plate 18, and then the universal wheel 23 is fixed when it is used or stored, which is convenient to use.

[0033] In this embodiment, a sealing ring 29 is fixedly connected to the inner lower surface of the positioning box 26 and located outside the positioning block 28;

[0034] When the airbag 32 is inflated into the interior of the positioning box, the gas is not easily discharged from the interior of the positioning box 26 under the action of the sealing ring 29, thereby achieving better movement of the piston plate 27.

[0035] In this embodiment, the bottom end of the support rod 22 is fixedly connected with a universal wheel 23;

[0036] It is convenient for the overall movement of the device.

[0037] The working principle of this device is: when the vacuum unit 9 is working, the gas enters the air inlet chamber 10 through the air inlet pipe 34, and then reaches the filtering effect under the action of the internal filter plate 35. The vibration generated when the vacuum unit 9 is working, at this time, under the action of the shock-absorbing bottom plate 6 and the spring 7, drives the sliding plate 4 in the shock-absorbing bin 2 to move up and down, and then makes the air inside the shock-absorbing bin 2 pass through the inside of the hose body cavity 8. At this time, the internal gas of the air pressure chamber 8 enters the inside of the air pressure box 12 through the hose 14, so that the sliding block 15 slides up and down repeatedly, and at this time drives the push plate 17 to push the filter plate 35 to shake up and down repeatedly, so that the filter plate is not blocked by impurities, and the effect of better uniform air intake is achieved.

[0038] The electrical components that appear in this article are all electrical components that exist in reality.

[0039] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A vacuum unit for epoxy resin and epichlorohydrin production process, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a plurality of shock-absorbing chambers (2), a sliding hole (3) is provided on the upper surface of the shock-absorbing chamber (2), a sliding plate (4) is slidably connected to the interior of the shock-absorbing chamber (2), a connecting plate (5) is fixedly connected to the upper surface of the sliding plate (4), the top ends of the plurality of connecting plates (5) respectively pass through the plurality of sliding holes (3), and are fixedly connected to a shock-absorbing bottom plate (6), a plurality of springs (7) are fixedly connected between the shock-absorbing bottom plate (6) and the base (1), an air pressure chamber (8) is provided inside the shock-absorbing bottom plate (6), a vacuum unit (9) is fixedly connected to the upper surface of the shock-absorbing bottom plate (6), an air intake chamber (10) is fixedly connected to the upper surface of the shock-absorbing bottom plate (6) and located on the left side of the vacuum unit (9), an air intake pipe (34) is integrally formed on the upper surface of the air intake chamber (10), and the The right side of the air inlet chamber (10) is fixedly connected to the left end of the output end of the vacuum unit (9), a sliding groove (11) is provided inside the air inlet chamber (10), a filter plate (35) is slidably connected inside the air inlet chamber (10) and located inside the sliding groove (11), an air pressure box (12) is fixedly connected inside the air inlet chamber (10) and located below the sliding groove (11), a sliding hole 2 (13) is provided on the upper surface of the air pressure box (12), a hose (14) is integrally formed at the bottom of the air pressure box (12), the bottom end of the hose (14) is connected to the air pressure chamber (8), a sliding block (15) is slidably connected inside the air pressure box (12), the upper surface of the sliding block (15) is fixedly connected to a connecting plate 2 (16), the top end of the connecting plate 2 (16) passes through the sliding hole 2 (13) and is fixedly connected to the push plate (17).

2. The vacuum unit for epoxy resin and epichlorohydrin production process according to claim 1, characterized in that: The base (1) is slidably connected to a pull plate (18) inside, the right side of the pull plate (18) penetrates to the right side of the base (1) and is fixedly connected to a handle (33), the upper surface of the pull plate (18) and located on the right side of the base (1) are provided with two positioning holes (25), the lower surface of the pull plate (18) and located inside the base (1) are fixedly connected to two racks (19), the lower surface of the base (1) is provided with two storage grooves (20), the inside of the base (1) is fixedly connected to two shaft rods (21), the outer side wall of the shaft rod (21) is rotatably connected to a support rod (22) through a rotating shaft, the top end of the support rod (22) is fixedly connected to an arc-shaped tooth plate (24), and the arc-shaped tooth plate (24) is meshingly connected to the rack (19).

3. The vacuum unit for epoxy resin and epichlorohydrin production process according to claim 2, characterized in that: A positioning box (26) is fixedly connected to the right side of the base (1) and located above the pull plate (18); a connecting air pipe (31) is integrally formed on the right side of the positioning box (26); an air bag (32) is fixedly connected to the right end of the connecting air pipe (31); and the air bag (32) is fixedly connected to the handle (33).

4. The vacuum unit for epoxy resin and epichlorohydrin production process according to claim 3, characterized in that: The interior of the positioning box (26) is slidably connected to a piston plate (27), a plurality of springs (30) are fixedly connected between the piston plate (27) and the positioning box (26), a positioning block (28) is fixedly connected to the lower surface of the piston plate (27), the bottom end of the positioning block (28) passes through the bottom of the positioning box (26) and is engaged with the interior of the positioning port (25) located on the left side of the upper surface of the pull plate (18).

5. The vacuum unit for epoxy resin and epichlorohydrin production process according to claim 4, characterized in that: A sealing ring (29) is fixedly connected to the inner lower surface of the positioning box (26) and located outside the positioning block (28).

6. The vacuum unit for epoxy resin and epichlorohydrin production process according to claim 2, characterized in that: The bottom end of the support rod (22) is fixedly connected with a universal wheel (23).

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