Double-sided preheating device

Through the design of the double-sided preheating device, double-sided heating is performed using a glass cover and heating wire, combined with a temperature sensor and controller, the problems of uneven heating and slow preheating are solved, and fast and uniform heating is achieved and device life is extended.

CN223085399UActive Publication Date: 2025-07-11BEIJING XIAOJIAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422364012.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-11
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing heating devices are unevenly heated, and the bending temperature cannot be quickly reached by one preheating.

Method used

A double-sided preheating device is adopted, including two parallel heating pipes and heating components, and double-sided heating is used to heat with a glass cover and heating wire. It combines a temperature sensor and a temperature controller to achieve temperature monitoring and adjustment, and is equipped with cooling components to cool down to ensure uniform heating and rapid bending temperature.

Benefits of technology

It achieves more uniform and fast heating, and can reach the bending temperature through one heating, extending the service life of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223085399U_ABST
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Abstract

The utility model relates to the technical field of bending preheating, in particular to a double-face preheating device. Comprising two supports; the two heating pipes are respectively arranged between the two brackets in a sliding manner and are distributed up and down, and the two heating pipes are arranged in parallel; the number of the heating assemblies is two, and the heating assemblies are arranged on the two oppositely-arranged side walls of the two heating pipes correspondingly and suitable for being in contact with a to-be-heated part for heating correspondingly. The heating assembly can be used for preheating two opposite positions of a to-be-bent part on the to-be-heated part, so that the to-be-bent part can be heated more uniformly, and compared with the prior art, the bending temperature can be quickly reached through one-time heating.
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Description

Technical Field

[0001] The utility model relates to the technical field of bending preheating, and particularly relates to a double-sided preheating device. Background Art

[0002] Bending preheating is currently widely used in plastic bending preheating. At present, there is a great demand for plastic bending heating, acrylic bending heating, plexiglass bending heating, and bending of materials such as PC, PVC, and SBS.

[0003] Most heating devices on the market are single-sided designs, and the disadvantage is uneven heating, and the bending temperature cannot be quickly reached in one preheating. Content of the Utility Model

[0004] In view of this, the utility model provides a double-sided preheating device to solve the problems of uneven heating and the inability to quickly reach the bending temperature in one preheating.

[0005] The utility model provides a double-sided preheating device, including: two brackets; two heating tubes, which are respectively slidably arranged between the two brackets and are distributed up and down, and the two heating tubes are arranged parallel to each other; two heating components, which are respectively arranged on two opposite side walls of the two heating tubes and are adapted to contact and heat the workpiece to be heated respectively. Among them, the heating components can preheat two opposite positions of the bending part on the workpiece to be heated, making the heating of the bending part more uniform, and compared with the prior art, the bending temperature can be quickly reached through one heating.

[0006] In an optional embodiment, the heating component includes:

[0007] A glass cover, which is embedded on the opposite side walls of the heating tube;

[0008] A heating wire, which is arranged inside the glass cover;

[0009] Among them, the side wall of the glass cover near the position between the two heating tubes is flush with the side wall of the heating tube. After the heating wire generates heat, the heat is radiated to the glass cover, and then the temperature of the glass cover is used to contact and heat the bending part on the workpiece to be heated.

[0010] In an optional embodiment, both the heating tube and the glass cover are strip-shaped. The strip shape can make the heating of the bending part on the workpiece to be heated more accurate, and can heat a fixed area of the bending part.

[0011] In an optional embodiment, the heating component further includes:

[0012] A temperature sensor, which is adapted to detect the temperature inside the glass cover;

[0013] A display, electrically connected to the temperature sensor, is adapted to display the detected temperature of the temperature sensor. It can monitor the temperature inside the glass cover in real time, achieving the purpose of real-time monitoring of the preheating temperature.

[0014] In an alternative embodiment, the heating assembly further includes:

[0015] A temperature controller, connected to the heating wire, is adapted to adjust the heating temperature of the heating wire. The heating temperature can be adjusted by adjusting the power of the heating wire, avoiding too high or too low heating temperature and affecting the preheating effect.

[0016] In an alternative embodiment, a cooling assembly is further included:

[0017] An inlet pipe and an outlet pipe are both arranged on two heating pipes and communicate with the inner sides of the heating pipes;

[0018] A water pump is arranged on the inlet pipe;

[0019] Wherein, both the inlet pipe and the outlet pipe are closed pipes. The inlet pipe and the outlet pipe can perform water circulation cooling through the water pump, avoiding the heat at the extended position on the side of the glass cover of the heating pipe from affecting the workpiece to be heated when the glass cover heats the bending position on the workpiece to be heated, and prolonging the service life of the device of the present application.

[0020] In an alternative embodiment, a sliding assembly is further included:

[0021] Two guide rails are respectively vertically arranged on two brackets and are located on the opposite side walls of the two brackets;

[0022] A guide plate, one side of which is arranged on the guide rail and the other side of which is fixedly connected to the end side of the heating pipe;

[0023] A setscrew is arranged on the guide plate and is adapted to penetrate through the guide plate and press tightly against the guide rail.

[0024] In an alternative embodiment, the glass cover is arranged at the middle position of the side wall of the heating pipe. It can make the heating of the bending position on the workpiece to be heated more accurate and make the heating of the workpiece to be heated more uniform.

[0025] In an alternative embodiment, it further includes:

[0026] Two universal wheels are respectively arranged at the bottom ends of two brackets. It can facilitate the movement of the brackets.

[0027] In an alternative embodiment, the heating wire is an infrared heating wire. Description of the Drawings

[0028] To more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0029] Figure 1 Structural schematic diagram of an embodiment of the present utility model;

[0030] Figure 2 Structural schematic diagram of the sliding component of an embodiment of the present utility model;

[0031] Figure 3 Schematic diagram of the position of the heating wire of an embodiment of the present utility model.

[0032] Explanation of reference numerals:

[0033] 10, bracket; 20, heating tube; 30, heating component; 31, glass cover; 32, heating wire; 33, temperature controller; 34, display; 40, cooling component; 41, water inlet pipe; 42, water outlet pipe; 43, water pump; 50, sliding component; 51, guide rail; 52, guide plate; 53, setscrew; 60, universal wheel. Specific embodiments

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0035] The following will be combined with Figures 1 to 3 , to describe the embodiments of the present utility model.

[0036] According to an embodiment of the present utility model, a double-sided preheating device is provided, including: two brackets 10, which can be stainless steel brackets 10; two heating tubes 20, which are respectively slidably arranged between the two brackets 10 and are distributed vertically. The two heating tubes 20 are arranged parallel to each other, and the two heating tubes 20 can be horizontally arranged with a gap therebetween; two heating assemblies 30, which are respectively arranged on two opposite side walls of the two heating tubes 20 and are adapted to contact and heat the workpiece to be heated respectively. Among them, the heating assembly 30 can preheat two opposite positions of the bending area on the workpiece to be heated, making the heating of the bending area more uniform. Compared with the prior art, the bending temperature can be quickly reached through one-time heating.

[0037] Specifically, the heating assembly 30 can be a heating plate embedded on two opposite side walls of the two heating tubes 20.

[0038] In one embodiment, the heating assembly 30 includes:

[0039] A glass cover 31, which is embedded on the opposite side walls of the heating tube 20;

[0040] A heating wire 32, specifically, it can be an infrared quartz tube with a service life of 5000 hours and the temperature can be adjusted between 0-600°C, and is arranged in the glass cover 31;

[0041] Among them, the side wall of the glass cover 31 near the position between the two heating tubes 20 is flush with the side wall of the heating tube 20. After the heating wire 32 generates heat, the heat is radiated to the glass cover 31, and then the bending area on the workpiece to be heated is heated by contacting the temperature of the glass cover 31.

[0042] In one embodiment, both the heating tube 20 and the glass cover 31 are strip-shaped. The strip shape can make the heating of the bending area on the workpiece to be heated more accurate and can heat a fixed area of the bending area.

[0043] In one embodiment, the heating assembly 30 further includes:

[0044] A temperature sensor, which is adapted to detect the temperature inside the glass cover 31; the temperature sensor can be a thermometer probe arranged on the glass cover 31 and connected to the inside of the glass cover 31.

[0045] A display 34, which is electrically connected to the temperature sensor and is adapted to display the detected temperature of the temperature sensor. It can monitor the temperature inside the glass cover 31 in real time to achieve the purpose of real-time monitoring of the preheating temperature.

[0046] It should be noted that a processor may also be included. The temperature sensor sends the detection signal to the processor, and after the processor processes the detection signal, the temperature is displayed on the display 34. Among them, there are two groups of temperature sensors and the display 34. The two groups of temperature sensors respectively detect the temperatures in the two glass covers 31, and the two displays 34 can be respectively arranged on the side walls of the two heating tubes 20.

[0047] In one embodiment, the heating assembly 30 further includes:

[0048] A temperature controller 33, connected to the heating wire 32, and adapted to adjust the heating temperature of the heating wire 32. The adjustment of the heating temperature can be achieved by adjusting the power of the heating wire 32, so as to avoid too high or too low heating temperature and affect the preheating effect. Among them, the temperature controller 33 is electrically connected between the power supply and the heating wire 32, and can adjust the power of the heating wire 32.

[0049] In one embodiment, a cooling assembly 40 is further included:

[0050] A water inlet pipe 41 and a water outlet pipe 42, both arranged on the two heating tubes 20 and communicating with the inner sides of the heating tubes 20; among them, the water inlet pipe 41 and the water outlet pipe 42 are arranged on both heating tubes 20.

[0051] A water pump 43, arranged on the water inlet pipe 41;

[0052] Among them, the water inlet pipe 41 and the water outlet pipe 42 are both closed pipes. The water inlet pipe 41 and the water outlet pipe 42 can be cooled by the water pump 43 through water circulation, so as to avoid the heat at the extended position of the heating tube 20 on the side of the glass cover 31 affecting the workpiece to be heated when the glass cover 31 heats the bent part of the workpiece to be heated, and prolong the service life of the device of the present application.

[0053] Among them, an inlet mark can be set at the position of the heating tube 20 corresponding to the water inlet pipe 41, and an outlet mark can be set at the position of the water outlet pipe 42. During operation, the water pump 43 at the port of the water inlet pipe 41 and the water outlet pipe 42 are placed in a water bucket to achieve the purpose of a cooling cycle. It should be noted that when the water temperature rises to >50 °C during large workload or long-term use of the configured water circulation system, please replace the water source.

[0054] In one embodiment, a sliding assembly 50 is further included:

[0055] Two guide rails 51, respectively vertically arranged on the two brackets 10 and located on the opposite side walls of the two brackets 10;

[0056] The guide plate 52 is disposed on one side on the rail 51 and fixedly connected to the end side of the heating tube 20 on the other side; wherein, there may be four guide plates 52, which are respectively disposed at both ends of the two heating tubes 20, and the two guide plates 52 on the same side are disposed in the same rail 51.

[0057] The setscrew 53 is disposed on the guide plate 52 and is adapted to penetrate through the guide plate 52 and abut tightly against the rail 51.

[0058] Wherein, an opening may be formed on one side of the rail 51 facing the heating tube 20, the guide plate 52 is disposed in the opening, the setscrew 53 directly penetrates through the guide plate 52 and is embedded in the rail 51 to fix the guide plate 52 on the rail 51.

[0059] In one embodiment, the glass cover 31 is disposed at the middle position on the side wall of the heating tube 20, which can make the heating of the bending part on the workpiece to be heated more accurate and make the heating of the workpiece to be heated more uniform.

[0060] In one embodiment, it further includes:

[0061] The universal wheels 60 are two and are respectively disposed at the bottom ends of the two brackets 10, which can facilitate the movement of the brackets 10.

[0062] In one embodiment, the heating wire 32 is an infrared heating wire.

[0063] When in use, the following steps may be adopted:

[0064] 1. First, place the workpiece to be heated between the upper and lower heating tubes 20 and select the required heating position.

[0065] 2. Adjust according to the thickness of the workpiece to be heated, manually adjust the interval between the two heating tubes 20, and use a tool to tighten the setscrew 53 at a proper position so that the interval between the two heating tubes 20 reaches the required thickness.

[0066] 3. Plug in the power supply and adjust the power of the heating wire 32. Observe through the display 34 whether the required temperature of the workpiece to be heated is reached, so that the workpiece to be heated is softened to the required state, and at the same time turn on the water pump 43 to make the cooling assembly 40 work. Protect the workpiece to be heated from being affected by the heat extension of the heating tube 20.

[0067] 4. When the workpiece to be heated has reached the required effect, turn off the temperature controller 33, and use a tool to loosen the setscrew 53. Take out the workpiece to be heated. Then perform the bending process.

[0068] 5. After use, turn off the power supply, recycle the heating tube 20 and place it in the recycling area, and move the bracket 10 through the universal wheels 60.

[0069] Although embodiments of the present utility model have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present utility model, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A double-sided preheating device, characterized in that, Including: Two brackets (10); Two heating tubes (20), which are respectively slidably arranged between the two brackets (10) and are distributed vertically. The two heating tubes (20) are arranged parallel to each other; Two heating assemblies (30), which are respectively arranged on two opposite side walls of the two heating tubes (20) and are adapted to contact and heat the workpiece to be heated respectively.

2. The double-sided preheating device according to claim 1, wherein The heating assembly (30) includes: A glass cover (31), which is embedded on the opposite side walls of the heating tube (20); A heating wire (32), which is arranged in the glass cover (31); Wherein, the side wall of the glass cover (31) near the position between the two heating tubes (20) is flush with the side wall of the heating tube (20).

3. The double-sided preheating device according to claim 2, wherein Both the heating tube (20) and the glass cover (31) are strip-shaped.

4. The double-sided preheating device according to claim 2, characterized in that, The heating assembly (30) further includes: A temperature sensor, which is adapted to detect the temperature inside the glass cover (31); A display (34), which is electrically connected to the temperature sensor and is adapted to display the detected temperature of the temperature sensor.

5. The double-sided preheating device according to claim 4, characterized in that, The heating assembly (30) further includes: A temperature controller (33), which is connected to the heating wire (32) and is adapted to adjust the heating temperature of the heating wire (32).

6. The double-sided preheating device according to claim 1, wherein, It further includes a cooling assembly (40): A water inlet pipe (41) and a water outlet pipe (42), which are both arranged on the two heating tubes (20) and are communicated with the inside of the heating tubes (20); A water pump (43), which is arranged on the water inlet pipe (41); Wherein, both the water inlet pipe (41) and the water outlet pipe (42) are closed pipes.

7. The double-sided preheating device according to claim 1, characterized in that, It further includes a sliding assembly (50): Two guide rails (51), which are respectively arranged vertically on the two brackets (10) and are located on the opposite side walls of the two brackets (10); A guide plate (52), one side of which is arranged on the guide rail (51), and the other side is fixedly connected to the end side of the heating tube (20); A setscrew (53), which is arranged on the guide plate (52) and is adapted to penetrate through the guide plate (52) and press tightly against the guide rail (51).

8. The double-sided preheating device according to claim 2, characterized in that, The glass cover (31) is arranged at the middle position of the side wall of the heating tube (20).

9. The double-sided preheating device according to claim 1, wherein It further includes: Two universal wheels (60), which are respectively arranged at the bottom ends of the two brackets (10).

10. The double-sided preheating device according to claim 2, wherein, The heating wire (32) is an infrared heating wire.