Forming equipment for heat preservation cotton layer of heater
By designing an automatically controlled heater insulation cotton layer forming equipment, the technology of combining double-acting cylinders and two-position five-way solenoid valves is used to solve the problem of bubbles not easily discharged and uneven density during the casting process, and efficient and uniform insulation cotton layer forming is achieved.
Patent Information
- Application Number
- CN202421616781.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the existing heater insulation cotton layer production equipment, there are problems such as bubbles not easily discharged and uneven density during the casting process, and equipment control depends on labor, and there is a risk of position deviation.
A heater insulation cotton layer forming equipment is designed, using a double-acting cylinder and a two-position five-way solenoid valve to automatically control the reciprocating movement of the stamper through a cycle time relay, combining the structure of the positioning column, bearing sleeve and positioning bearing to ensure the stability and concentric position of the stamper in movement.
Automatic control is realized, manual participation is reduced, density uniformity and molding quality of the insulation cotton layer are ensured, problems with bubbles are avoided, and concentric positions between the stamping mold and the prefabricated insulation cotton area are ensured.
Smart Images
Figure CN222886168U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of production and molding of a heater insulation layer, and more specifically, to a forming device for a heater insulation cotton layer. Background Art
[0002] In the industry of producing heater insulation cotton layers, there are many processes in which fibrous insulation materials and adhesive materials are mixed and then cast onto the insulation layer or refractory bricks of heaters. The common problems in the insulation layers produced by this process are that there are bubbles that are not easily discharged in the insulation layer during the casting process, the density of the insulation layer is uneven, especially for ceramic insulation cotton which is insoluble in water and not easily bonded to the aqueous solution of the adhesive, and is prone to looseness.
[0003] In the current production equipment for heater insulation cotton layers, during the production process, the reciprocating movement of a double-acting cylinder is controlled manually or by a foot switch, and a large amount of manual participation is required during the casting of the heater insulation cotton. At the same time, there is no auxiliary mechanism for positioning and guiding during the movement of the cylinder extension rod, and it is difficult to ensure concentricity between the pressing die and the prefabricated insulation cotton area.
[0004] In view of the problems in the related art, no effective solution has been proposed yet. Summary of the Utility Model
[0005] In view of the above technical problems in the related art, the utility model provides a forming device for a heater insulation cotton layer, which can solve the above problems.
[0006] To achieve the above technical objectives, the technical solution of the utility model is realized as follows:
[0007] A forming device for a heater insulation cotton layer includes a connecting seat. One side of the upper end of the connecting seat is connected with an outer mold sleeve, and the other side of the upper end of the connecting seat is connected with a water delivery component. A pressing die mechanism is arranged directly above the outer mold sleeve. The pressing die mechanism includes a double-acting cylinder. The air inlet of the double-acting cylinder is connected with a two-position five-way solenoid valve. The driving shaft of the double-acting cylinder is connected with a pressing die assembly. The two-position five-way solenoid valve is electrically connected with a cycle time relay. The pressing die assembly includes a cylinder extension rod. The upper end of the cylinder extension rod is connected with the driving shaft of the double-acting cylinder. The upper end of the connecting seat is also connected with a lower flange through two lower positioning columns. The upper end of the lower flange is connected with an upper flange through two upper positioning columns. The upper end of the upper flange is supported and connected with the double-acting cylinder through a cylinder bracket. A bearing sleeve is connected between the upper flange and the lower flange. A positioning bearing adapted to the cylinder extension rod is embedded at both the upper and lower ends of the bearing sleeve. The lower end of the cylinder extension rod sequentially passes through the cylinder bracket and the bearing sleeve and is connected with the pressing die.
[0008] Furthermore, the cylinder bracket is circular tubular, and a vertical avoidance groove is formed on the outer wall of the cylinder bracket.
[0009] Furthermore, a positioning pin adapted to the vertical avoidance groove is provided at the upper end of the cylinder extension rod.
[0010] Furthermore, the double-acting cylinder is provided with a downward pressure chamber air vent and an upward pressure chamber air vent, and both the downward pressure chamber air vent and the upward pressure chamber air vent are connected to the two-position five-way solenoid valve.
[0011] Furthermore, a water storage cavity is arranged in the connecting seat, the water conveying assembly includes a negative pressure drain pipe, the lower end of the negative pressure drain pipe extends into the water storage cavity, the pipe orifice at the lower end of the negative pressure drain pipe is 5 mm away from the bottom surface of the water storage cavity, and the upper end of the negative pressure drain pipe sequentially penetrates through the lower flange and the upper flange.
[0012] Furthermore, a prefabricated heat insulation cotton area is arranged in the outer mold sleeve, a water leakage hole communicated with the water storage cavity is arranged at the bottom of the prefabricated heat insulation cotton area, and a grouting hole is formed in the outer wall of the outer mold sleeve.
[0013] Furthermore, the pressing mold includes an upper pressing mold connected to the cylinder extension rod, a lower pressing mold adapted to the prefabricated heat insulation cotton area is connected to the lower end of the upper pressing mold, a discharge hole is formed in the outer wall of the upper pressing mold, and the pressing mold is concentrically arranged with the prefabricated heat insulation cotton area.
[0014] The beneficial effects of the present utility model: By using the cycle time relay to regularly switch the energization time of the two-position five-way solenoid valve, the present application can automatically control the up-and-down reciprocating movement of the pressing mold, thereby extruding the heat insulation cotton slurry in the prefabricated heat insulation cotton area, so that the heat insulation cotton layer can be better formed; Through the connection structure of two upper positioning columns, two lower positioning columns, an upper flange, a lower flange, a bearing sleeve, a positioning bearing assembled in the bearing sleeve, and a negative pressure drain pipe, the pressing mold can be more stable during the reciprocating movement and is not prone to position deviation. Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0016] The following further describes the present utility model in detail according to the drawings.
[0017] Figure 1 It is a schematic structural diagram of a forming device for a heater heat insulation cotton layer according to an embodiment of the present utility model;
[0018] Figure 2 It is a schematic connection diagram of the positioning post, lower positioning post, upper flange, lower flange, bearing sleeve, and negative pressure drain pipe described in the embodiments of the present utility model;
[0019] Figure 3 is Figure 1 a partial enlarged view of the bottom;
[0020] Figure 4 is Figure 1 a partial enlarged view of the middle part.
[0021] In the figure:
[0022] 1. Power start button, 2. Cycle time relay, 3. Two-position five-way solenoid valve, 4. Double-acting cylinder, 5. Positioning pin, 6. Cylinder bracket, 7. Cylinder extension rod, 8. Solenoid valve, 9. Upper flange, 10. Upper positioning post, 11. Bearing sleeve, 12. Positioning bearing, 13. Lower flange, 14. Upper pressing die, 15. Lower pressing die, 16. Lower positioning post, 17. Outer die sleeve, 18. Prefabricated insulation cotton area, 19. Heating core, 20. Water storage cavity, 21. Negative pressure drain pipe, 22. Connecting sleeve, 23. Negative pressure tank connecting pipe, 91. Rising exhaust port, 92. Compressed air inlet, 93. Falling exhaust port, 94. Lower pressing cavity vent port, 95. Rising cavity vent port. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.
[0024] Such as Figures 1-4As shown, according to the present utility model, a forming device for a heater heat-insulating cotton layer is disclosed, which includes a connecting seat. On one side of the upper end of the connecting seat, an outer mold sleeve 17 is connected. On the other side of the upper end of the connecting seat, a water delivery component is connected. Above the outer mold sleeve 17, a pressing mold mechanism is provided. The pressing mold mechanism includes a double-acting cylinder 4. The air inlet of the double-acting cylinder 4 is connected to a two-position five-way solenoid valve 3. The driving shaft of the double-acting cylinder 4 is connected to a pressing mold component. The two-position five-way solenoid valve 3 is electrically connected to a cycle time relay 2. The pressing mold component includes a cylinder extension rod 7. The upper end of the cylinder extension rod 7 is connected to the driving shaft of the double-acting cylinder 4. The upper end of the connecting seat is also connected to a lower flange 13 through two lower positioning columns 16. The upper end of the lower flange 13 is connected to an upper flange 9 through two upper positioning columns 10. The upper end of the upper flange 9 is supported and connected to the double-acting cylinder 4 through a cylinder bracket 6. A bearing sleeve 11 is connected between the upper flange 9 and the lower flange 13. At both the upper and lower ends of the bearing sleeve 11, a positioning bearing 12 adapted to the cylinder extension rod 7 is embedded. The lower end of the cylinder extension rod 7 sequentially passes through the cylinder bracket 6 and the bearing sleeve 11 to connect the pressing mold.
[0025] Embodiment 1:
[0026] In this application, the compressed air inlet 92 of the two-position five-way solenoid valve 3 is connected to high-pressure air flow. When the high-pressure air flow enters the upper space of the piston through the compressed air inlet 92 and the lower pressure chamber air inlet 94, the piston is pressed down by the high-pressure air flow (the air in the lower space of the piston is discharged from the downward exhaust port 93), driving the cylinder extension rod 7 to drive the pressing mold to move downward. And when the high-pressure air flow enters the lower space of the piston through the compressed air inlet 92 and the upward chamber air inlet 95, the piston is pressed up by the high-pressure air flow (the air in the upper space of the piston is discharged from the upward exhaust port 91), driving the cylinder extension rod 7 to drive the pressing mold to move upward. In this application, the power supply start button 1 provides power for the cycle time relay 2. By the cycle time relay 2 timing to switch the energization time of the two-position five-way solenoid valve, the switching of the high-pressure air flow output from the two paths of the two-position five-way solenoid valve 3 is controlled, so that the up and down cyclic operation of the pressing mold can be automatically controlled.
[0027] Install the heating core 19 at the set position in the outer mold sleeve 17. Through the conduit and the grouting hole on the outer mold sleeve 17, inject the thermal insulation cotton slurry into the prefabricated thermal insulation cotton area 18. When the pressing mold moves downward into the prefabricated thermal insulation cotton area 18, shape the thermal insulation layer with the required shape and structure through the pressing mold. At the same time, the pressing mold can extrude the thermal insulation cotton slurry to squeeze out the moisture in the thermal insulation cotton slurry (burst the bubbles). Part of the moisture is discharged from the discharge holes on the upper pressing mold 14, and the other part drains into the water storage cavity 20 through the water leakage holes. The water in the water storage cavity 20 can, through the action of structures such as the negative pressure drain pipe 21, the connecting sleeve 22, the negative pressure tank connecting pipe 23, and the solenoid valve 8, remove the negative pressure in the extrusion space and at the same time conduct the water into the water storage tank for recycling (the cotton slurry pool filled with thermal insulation cotton slurry can be set below the equipment of this application, and the discharged water can be directly introduced into the cotton slurry pool for reuse, and a mixer is continuously stirred in the cotton slurry pool).
[0028] Since the pressing mold needs to reciprocate up and down multiple times and enter the prefabricated thermal insulation cotton area 18, the stability of the movement of the cylinder extension rod 7 is very important. Therefore, in this application, a positioning pin 5 is provided on the cylinder extension rod 7, and a vertical avoidance groove is opened on the outer wall of the cylinder bracket 6, so that the positioning pin 5 slides up and down in the vertical avoidance groove to prevent the cylinder extension rod 7 from rotating. At the same time, a bearing sleeve 11 is connected between the upper flange 9 and the lower flange 13, and a positioning bearing 12 adapted to the cylinder extension rod 7 is embedded at both the upper and lower ends of the bearing sleeve 11, so that the positioning bearing 12 positions and guides the cylinder extension rod 7. And the upper flange 9 and the lower flange 13 are connected to the upper end of the connecting seat through two upper positioning columns, two lower positioning columns, and the negative pressure drain pipe. Therefore, the structure is very stable, and the cylinder extension rod 7 is not prone to deviation, which can ensure the concentricity of the pressing mold and the prefabricated thermal insulation cotton area 18.
[0029] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A device for forming a heat preservation cotton layer of a heater, comprising a connecting seat, one side of the upper end of the connecting seat is connected to an outer mold sleeve (17), the other side of the upper end of the connecting seat is connected to a water delivery assembly, a die pressing mechanism is provided directly above the outer mold sleeve (17), the die pressing mechanism comprises a double-acting cylinder (4), the air vent of the double-acting cylinder (4) is connected to a two-position five-way battery valve (3), the driving shaft of the double-acting cylinder (4) is connected to the die pressing assembly, characterized in that: The two-position five-way battery valve (3) is electrically connected to a cycle time relay (2); the die assembly comprises a cylinder extension rod (7); the upper end of the cylinder extension rod (7) is connected to the drive shaft of the double-acting cylinder (4); the upper end of the connecting seat is also connected to a lower flange (13) via two lower positioning columns (16); the upper end of the lower flange (13) is connected to an upper flange (9) via two upper positioning columns (10); the upper end of the upper flange (9) is supported and connected to the double-acting cylinder (4) via a cylinder bracket (6); a bearing sleeve (11) is connected between the upper flange (9) and the lower flange (13); a positioning bearing (12) adapted to the cylinder extension rod (7) is embedded at both upper and lower ends of the bearing sleeve (11); the lower end of the cylinder extension rod (7) passes through the cylinder bracket (6) and the bearing sleeve (11) in sequence to connect to the die.
2. The device for forming the heat insulation layer of a heater according to claim 1, characterized in that: The cylinder support (6) is in the shape of a circular tube, and a vertical avoidance groove is provided on the outer wall of the cylinder support (6).
3. The device for forming the heat insulation layer of a heater according to claim 2, characterized in that: A positioning pin (5) adapted to the vertical avoidance groove is provided at the upper end of the cylinder extension rod (7).
4. The device for forming the heat insulation layer of a heater according to claim 1, characterized in that: The double-acting cylinder (4) is provided with a down-pressure chamber vent (94) and an up-pressure chamber vent (95), and the down-pressure chamber vent (94) and the up-pressure chamber vent (95) are both connected to the two-position five-way battery valve (3).
5. The device for forming the heat insulation layer of a heater according to claim 1, characterized in that: A water storage chamber (20) is provided in the connection seat, and the water delivery assembly comprises a negative pressure drainage pipe (21). The lower end of the negative pressure drainage pipe (21) extends into the water storage chamber (20), and the pipe opening at the lower end of the negative pressure drainage pipe (21) is 5 mm away from the bottom surface of the water storage chamber (20). The upper end of the negative pressure drainage pipe (21) passes through the lower flange (13) and the upper flange (9) in sequence.
6. The device for forming the heat insulation layer of a heater according to claim 5, characterized in that: A prefabricated thermal insulation cotton area (18) is provided in the outer mold sleeve (17), a water leakage hole communicating with the water storage cavity (20) is provided at the bottom of the prefabricated thermal insulation cotton area (18), and a grouting hole is provided on the outer wall of the outer mold sleeve (17).
7. The device for forming the heat insulation layer of a heater according to claim 6, characterized in that: The die comprises an upper die (14) connected to the cylinder extension rod (7); the lower end of the upper die (14) is connected to a lower die (15) adapted to the prefabricated thermal insulation cotton area (18); a discharge hole is provided on the outer wall of the upper die (14); the die is concentrically arranged with the prefabricated thermal insulation cotton area (18).