Dipping device for preparing isostatic pressing graphite product
By designing an automated impregnation device, the problems of inconvenient operation and poor phenolic resin filling effect during the impregnation process of isostatic graphite products were solved, realizing the full impregnation and efficient operation of phenolic resin on isostatic graphite products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-10
AI Technical Summary
In the impregnation process of isostatic graphite products, the existing equipment has problems such as inconvenient operation, poor phenolic resin filling effect and complex equipment design. In particular, isostatic graphite products are prone to mutual compression and covering during the impregnation process, and it is inconvenient to enter and exit the impregnation tank liquid.
An impregnation device was designed, comprising a controller, an impregnation chamber, a cover plate, a lifting rod, an air compressor, a vacuum pump, and a carrier. The cover plate is driven to rise and fall by a cylinder, and automated control is achieved by combining pressure and temperature sensors. The vacuum pump and air compressor are used to achieve vacuuming and pressurized impregnation of phenolic resin, ensuring full contact between isostatic graphite products and phenolic resin.
It achieves full contact between isostatically pressed graphite products and phenolic resin, improves impregnation effect and ease of operation, increases work efficiency, has a high degree of automation, and avoids the problem of mutual compression and covering of graphite products during the impregnation process.
Smart Images
Figure CN224101071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the impregnation technical field of isostatic graphite product, especially to a kind of impregnation device of preparation isostatic graphite product. BACKGROUND
[0002] In the production process of isostatic graphite product, impregnation treatment is needed, such as impregnation of isostatic graphite product by phenolic resin, so that the phenolic resin penetrates into the pores of isostatic graphite product, making the isostatic graphite product more compact and improving the structural strength.
[0003] In order to improve the impregnation effect, in addition to cleaning the isostatic graphite product, the air pressure before and during impregnation needs to be controlled to ensure the filling effect of the phenolic resin on the pores, which increases the design and control difficulty of the impregnation device. In addition, the isostatic graphite products cannot be extruded and covered during the impregnation process, and the operation of liquid in and out of the impregnation tank is not convenient, which needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an impregnation device for preparing isostatic graphite product, which improves the operation convenience and impregnation effect.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] An impregnation device for preparing isostatic graphite product, comprising a controller, an impregnation tank, a cover plate, a boom, an air compressor, a vacuum pump and a carrier, the cover plate is arranged above the impregnation tank in a lifting manner, the boom is arranged at the bottom of the cover plate in a spaced manner, the carrier is arranged on the boom, a first air pipe is arranged between the air inlet of the vacuum pump and the cover plate, a second air pipe is arranged between the air outlet of the air compressor and the cover plate, the controller is linearly connected with the air compressor and the vacuum pump for operation control.
[0007] Among them, the cover plate is provided with a pressure sensor, and the pressure sensor is connected with the controller for signal transmission.
[0008] Among them, the bottom of the impregnation tank is provided with a drain pipe, and the drain pipe is provided with a valve.
[0009] Among them, the impregnation tank is provided with a bracket on both sides of the cover plate, the top of the bracket is provided with a fixed plate above the cover plate, and the fixed plate is provided with a lifting drive mechanism connected with the cover plate.
[0010] Among them, the lifting drive mechanism adopts a pneumatic cylinder, and the controller is connected with the lifting drive mechanism for lifting control.
[0011] The cover plate is provided with a circle of sealing rings corresponding to the inner wall of the impregnation box.
[0012] The cover plate is provided with a circle of sealing rings corresponding to the inner wall of the impregnation box.
[0013] The heater is arranged in the impregnation box, the cover plate is provided with a downward temperature sensor, and the temperature sensor is connected with the controller.
[0014] The isostatic pressing graphite product adopts a ring structure, the carrier includes a plurality of hanging rods extending along the radial direction of the boom, and the hanging rods are provided with blocking pins.
[0015] The impregnation box is provided with a straight pipe on one side, the straight pipe is provided with a piston, and the outer end of the straight pipe is provided with a telescopic cylinder for driving the piston to move.
[0016] The impregnation device for preparing the isostatic pressing graphite product suspends the isostatic pressing graphite product on the carrier, avoids the problem of mutual extrusion or covering, ensures the contact of the isostatic pressing graphite product with the phenolic resin in the impregnation box, and the isostatic pressing graphite product can enter and exit the impregnation box along with the lifting of the cover plate, the operation is simple, the vacuum pump is started after the cover plate is lowered and closed, vacuumizing is carried out, air in the pores on the surface of the isostatic pressing graphite product is removed, then the piston is driven to move towards the impregnation box, the phenolic resin in the straight pipe is pushed into the impregnation box, the liquid level of the impregnation box is improved, the phenolic resin can immerse the isostatic pressing graphite product, then the air compressor is started, compressed air is input into the impregnation box, pressure impregnation is carried out, the filling effect of the phenolic resin on the pores on the surface of the isostatic pressing graphite product is improved, the degree of automation is high, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic view of the utility model;
[0018] Figure 2 is Figure 1 the structure schematic view after the cover plate is lowered. DETAILED DESCRIPTION
[0019] The technical scheme of the utility model will be further explained below in combination with specific embodiments. Figures 1-2
[0020] As Figure 1 and Figure 2 The impregnation device for preparing isostatic graphite products shown in the figure is used for impregnation of the isostatic graphite product 21, and comprises a controller 17, an impregnation box 1, a cover plate 2, a hanger rod 18, an air compressor 6, a vacuum pump 5 and a carrier, the cover plate 2 is arranged above the impregnation box 1 in a lifting manner, a sealing ring 4 corresponding to the inner wall of the impregnation box 1 is arranged on the cover plate 2, the cover plate 2 is lowered to close the impregnation box 1, and the air leakage problem is avoided through the sealing ring 4.
[0021] A support 8 is arranged on the impregnation box 1 and located on both sides of the cover plate, a fixing plate 3 is arranged on the top of the support 8 and located above the cover plate, a lifting driving mechanism 7 connected with the cover plate 2 is arranged on the fixing plate 3, and the lifting of the cover plate 2 is driven.
[0022] In the embodiment, the lifting driving mechanism 7 adopts a pneumatic cylinder, the controller 17 is connected with the lifting driving mechanism 7 to perform lifting control and improve the automation level. Upward extending guide columns 15 are symmetrically arranged on the cover plate 2, guide sleeves 16 corresponding to the guide columns are arranged on the fixing plate 3, and the stability of the lifting of the cover plate 2 is improved.
[0023] The hanger rod 18 is arranged at intervals at the bottom of the cover plate 2, the carrier is arranged on the hanger rod 18, the isostatic graphite product 21 is carried through the carrier, and the isostatic graphite product 21 is realized to be lifted in and out of the impregnation box 1 along with the cover plate 2.
[0024] In the embodiment, the isostatic graphite product 21 adopts a ring structure, the carrier comprises a plurality of hanging rods 20 extending along the radial direction of the hanger rod 18, stop pins 19 are arranged on the top of the hanging rods 20, the isostatic graphite product 21 can be hung on the hanging rods 20, and the stop pins 19 are used for limiting, so that the problems of slipping, mutual extrusion and covering of the isostatic graphite products 21 are avoided.
[0025] As shown in the figure, Figure 1 The first air pipe 23 is arranged between the air inlet of the vacuum pump 5 and the cover plate 2, so that the vacuumization of the impregnation box 1 is facilitated, after the cover plate 2 is closed by being lowered, the vacuum pump 5 is started first to perform vacuumization, and the air in the pores on the surface of the isostatic graphite product 21 is pumped away.
[0026] A straight pipe 9 is arranged on one side of the impregnation box 1, a piston 10 is arranged in the straight pipe 9, a telescopic air cylinder 11 driving the movement of the piston 10 is arranged at the outer end of the straight pipe 9, the telescopic air cylinder 11 is controlled through the controller 17 (PLC), after the vacuum pump 5 is closed, the piston 10 is driven to move towards the impregnation box 1 through the telescopic air cylinder 11, the phenolic resin in the straight pipe 9 is pushed into the impregnation box 1, the liquid level of the impregnation box 1 is improved, and the phenolic resin can immerse the isostatic graphite product 21, as shown in the figure, to perform impregnation for preparing the isostatic graphite product. Figure 2
[0027] In order to improve the impregnation effect, a second air pipe 24 is arranged between the air outlet of the air compressor 6 and the cover plate 2, the controller 17 is linearly connected with the air compressor 6 and the vacuum pump 5, and operation control is performed. During the isostatic pressure graphite product impregnation process, the air compressor 6 is started, and compressed air is input into the impregnation box 1 to perform pressure impregnation, so as to improve the filling effect of the phenolic resin on the surface pores of the isostatic pressure graphite product.
[0028] In the embodiment, the cover plate 2 is provided with a pressure sensor 13 connected with the controller 17 for signal transmission. The air pressure in the impregnation box 1 is monitored by the pressure sensor 13, so as to facilitate the control of the controller 17 on the air compressor 6 and the vacuum pump 5, and the automation level is improved.
[0029] In order to improve the flowability of the phenolic resin material, a heater 22 is arranged in the impregnation box 1. The heater 22 can adopt an electric heating pipe, and the heating control of the heater 22 is performed by the controller 17. In the embodiment, the cover plate 2 is provided with a downward temperature sensor 14 connected with the controller 17 for temperature detection of the phenolic resin, so as to avoid overheating.
[0030] In addition, a drain pipe 12 is arranged at the bottom of the impregnation box 1, and a valve is arranged on the drain pipe 12. When the valve is opened, the phenolic resin in the impregnation box 1 can be discharged, so as to facilitate cleaning or replacement of the impregnation material, and the application range is wide.
[0031] The above is only a preferred embodiment of the present application. For those skilled in the art, according to the idea of the present application, the specific implementation mode and application range can be changed, and the content of the specification should not be understood as a limitation of the present application.
Claims
1. An impregnation device for the impregnation of isostatically pressed graphite products for the production of isostatically pressed graphite products, characterized in that Including: Controller, impregnation tank, cover plate, boom, air compressor, vacuum pump and carrier, the cover plate is arranged above the impregnation tank, the boom is arranged at the bottom of the cover plate, the carrier is arranged on the boom, the air inlet of the vacuum pump is connected with the cover plate through the first air pipe, the air outlet of the air compressor is connected with the cover plate through the second air pipe, the controller is linearly connected with the air compressor and the vacuum pump for operation control.
2. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by The cover plate is provided with a pressure sensor connected with the controller for signal transmission.
3. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by The bottom of the impregnation tank is provided with a drain pipe provided with a valve.
4. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by The impregnation tank is provided with a support on both sides of the cover plate, the top of the support is provided with a fixed plate above the cover plate, and the fixed plate is provided with a lifting driving mechanism connected with the cover plate.
5. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 4, characterized by The lifting driving mechanism adopts a cylinder, and the controller is connected with the lifting driving mechanism for lifting control.
6. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 4, characterized by The cover plate is provided with a pair of upward extending guide columns, and the fixed plate is provided with a guide sleeve corresponding to the guide column.
7. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by The cover plate is provided with a ring of sealing rings corresponding to the inner wall of the impregnation tank.
8. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by, The impregnation tank is provided with a heater, and the cover plate is provided with a temperature sensor pointing downward, which is connected with the controller.
9. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by, The isostatic pressure graphite product adopts a ring structure, the carrier includes a plurality of hanging rods extending along the radial direction of the boom, and the hanging rods are provided with stop pins.
10. The impregnation apparatus for producing an isostatic pressed graphite product according to claim 1, characterized by One side of the impregnation tank is provided with a straight pipe, the straight pipe is provided with a piston, and the outer end of the straight pipe is provided with a telescopic cylinder for driving the piston to move.