Automatic constant-temperature heater for full-automatic plastic spraying production line
By designing an automatic constant temperature heater in the plastic spraying production line, using rock wool heating box and sealing reinforcement mechanism, combined with return air and heat conduction design, the problem of low heat dissipation and utilization efficiency in the existing technology is solved, and efficient heat is achieved Utilization and constant temperature control have improved product quality.
Patent Information
- Application Number
- CN202420698487.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-07
AI Technical Summary
The heaters in the existing plastic spraying production lines lack good sealing properties in the connection parts between the fan and the heater, resulting in serious heat dissipation, and they cannot effectively utilize the air source inside the dryer, affecting the heat utilization efficiency and product quality.
An automatic constant temperature heater for fully automatic plastic spraying production line is designed, using rock wool heating box, temperature sensor and combustion head. By setting up a sealing reinforcement mechanism and return air connection port in the air supply connection, combined with an air pressure switch and heat conduction plates realize effective heat utilization and constant temperature control.
It significantly improves the efficiency of heat utilization, reduces heat dissipation, ensures the constant temperature inside the oven, and improves product quality.
Smart Images
Figure CN222287808U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electrode junctions and relates to an automatic constant temperature heater used in a full-automatic plastic spraying production line. Background Art
[0002] Coating is an important link in the modern product manufacturing process. The quality of anti-rust and anti-corrosion coating is one of the important aspects of the overall quality of the product. The quality of product appearance not only reflects the product's protection and decorative performance, but is also an important factor in the value of the product. In the process of spraying, an automatic heater is needed. In order to heat the drying room on the production line, the heater in the prior art has the following disadvantages: after heating, it is usually guided by a fan to transport the heat source to the inside of the drying room, and the connection between the fan and the heater lacks good sealing. The sealing performance cannot be guaranteed by simply connecting with a flange. Secondly, when in use, the air source inside the drying room cannot be refluxed. For this reason, we designed an automatic constant temperature heater for a fully automatic spraying production line. Summary of the invention
[0003] The purpose of the utility model is to provide an automatic constant temperature heater for a fully automatic plastic spraying production line to solve the problems raised in the above background technology.
[0004] The purpose of the utility model can be achieved through the following technical solutions: an automatic constant temperature heater for a fully automatic plastic spraying production line, comprising a rock wool heating box, a temperature sensor and a burner head, one end of the burner head is provided with a hollow combustion channel, one end of the hollow combustion channel is provided with a valve plate assembly part, the valve plate assembly part is correspondingly connected to the through hole on one side of the rock wool heating box, the top of the burner head is provided with a combustion amount adjustment block, the end of the burner head is provided with an air pressure switch, the middle of the other side of the rock wool heating box is provided with an air supply connection part, the opening of the air supply connection part is provided with a sealing retainer ring, and the inner side of the sealing retainer ring is provided with a sealing reinforcement mechanism connected to the air supply connection part;
[0005] The sealing reinforcement mechanism includes an annular connecting seat and a rubber fitting flange, wherein the rubber fitting flange is arranged inside the air supply connecting part and the inner ring of the rubber fitting flange is transitionally assembled with the annular connecting seat, and a uniform air outlet plate is arranged inside the annular connecting seat.
[0006] In the automatic constant temperature heater for the fully automatic spraying production line, a return air connection port is provided on one side of the top of the rock wool heating box, and a metal baffle is provided inside the return air connection port. The purpose of this arrangement is to be able to connect the return air duct of the oven so that the air inside the oven can flow back to the inside of the rock wool heating box, which can reduce heat consumption and greatly improve heat utilization efficiency. The metal baffle can prevent the entry of powder dust.
[0007] In the automatic constant temperature heater for the fully automatic spraying production line, a waste heat utilization port is provided on one side of the front of the rock wool heating box, a heat conduction plate is provided inside the waste heat utilization port, and an object card cover corresponding to the waste heat utilization port is provided on one side of the heat conduction plate. The purpose of this arrangement is to increase the waste heat utilization effect, so that the heat of the burner head (the heat attached to the rock wool heating box) can be maximized.
[0008] In the automatic thermostatic heater for the fully automatic plastic spraying production line, a scale plate is provided on one side of the combustion volume adjustment block, so as to more intuitively indicate the air intake volume.
[0009] In the automatic thermostatic heater for the fully automatic spraying production line, there are two air pressure switches, and the temperature sensor is electrically connected to one of the air pressure switches. The purpose of this arrangement is to facilitate the formation of loop control, so that the temperature sensor is installed inside the oven to measure the temperature in real time. When the temperature is stable and low, the two air pressure switches are fully opened to speed up the air intake, improve the combustion efficiency, and thus ensure the heat conversion rate.
[0010] In the automatic thermostatic heater for the fully automatic spraying production line, a steel structure support frame is provided at the bottom of the rock wool heating box, and heating box feet are welded at the four corners of the bottom of the steel structure support frame. The purpose of this arrangement is to have good support stability and overall strength.
[0011] Compared with the prior art, the advantages of the automatic constant temperature heater for the full-automatic plastic spraying production line of the utility model are as follows: a sealing reinforcement mechanism connected to the air supply connection part is arranged on the inner side of the sealing retaining ring, the sealing reinforcement mechanism includes structural parts such as an annular connection seat and a rubber fitting flange, the rubber fitting flange is arranged inside the air supply connection part and the inner ring of the rubber fitting flange is transitionally assembled with the annular connection seat, thereby ensuring good assembly sealing, reducing the gap connected with the fan duct, and thus reducing heat dissipation; a return air connection port is arranged on one side of the top of the rock wool heating box body, and a metal baffle is arranged inside the return air connection port, The return air connection port can be connected to the return air duct of the oven, so that the air inside the oven can flow back to the inside of the rock wool heating box, which can reduce heat consumption and greatly improve heat utilization efficiency. The metal baffle can block the entry of powder dust; by setting two air pressure switches, the temperature sensor is electrically connected to one of the air pressure switches to facilitate the formation of loop control, so that the temperature sensor is installed inside the oven to measure the temperature in real time. When it is stable and low, the two air pressure switches are fully opened to speed up the air intake and improve the combustion efficiency, thereby ensuring the heat conversion rate and making the temperature inside the oven constant. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model is a three-dimensional structural schematic diagram of an automatic constant temperature heater used in a fully automatic plastic spraying production line.
[0013] Figure 2 The utility model is a three-dimensional structural schematic diagram of an automatic constant temperature heater combustion machine head used in a fully automatic plastic spraying production line.
[0014] Figure 3 The utility model is a structural schematic diagram of an object card cover of an automatic constant temperature heater used in a full-automatic plastic spraying production line.
[0015] In the figure, 1. rock wool heating box; 2. air supply connection; 3. sealing retaining ring; 4. annular connection seat; 5. uniform air outlet plate; 6. rubber fitting flange; 7. return air connection port; 8. metal retaining net; 9. steel structure support frame; 10. heating box foot; 11. temperature sensor; 12. burner head; 13. hollow combustion channel; 14. valve plate assembly; 15. combustion quantity adjustment block; 16. scale identification plate; 17. air pressure switch; 18. heat conduction plate; 19. object card cover; 20. waste heat utilization port. DETAILED DESCRIPTION
[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0017] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model is an automatic constant temperature heater for a fully automatic plastic spraying production line;
[0018] Embodiment: The heater includes a rock wool heating box 1, a temperature sensor 11 and a burner head 12, a hollow combustion channel 13 is provided at one end of the burner head 12, a valve plate assembly 14 is provided at one end of the hollow combustion channel 13, the valve plate assembly 14 is connected to the through hole on one side of the rock wool heating box 1, a combustion amount adjustment block 15 is provided at the top of the burner head 12, a scale identification disk 16 is provided on one side of the combustion amount adjustment block 15, an air pressure switch 17 is provided at the end of the burner head 12, an air supply connection 2 is provided in the middle of the other side of the rock wool heating box 1, a sealing retainer ring 3 is provided at the opening of the air supply connection 2, and a sealing reinforcement mechanism connected to the air supply connection 2 is provided on the inner side of the sealing retainer ring 3;
[0019] The sealing reinforcement mechanism includes an annular connecting seat 4 and a rubber fitting flange 6. The rubber fitting flange 6 is arranged inside the air supply connection part 2 and the inner ring of the rubber fitting flange 6 is transitionally assembled with the annular connecting seat 4. A uniform air outlet plate 5 is arranged inside the annular connecting seat 4.
[0020] In this embodiment, in order to connect the return air duct of the oven so that the air source inside the oven (containing some heat) enters the interior of the rock wool heating box 1, thereby increasing the temperature inside the rock wool heating box 1 and reducing the combustion amount of the burner head 12, a return air connection port 7 is provided on one side of the top of the rock wool heating box 1, and a metal baffle 8 is provided inside the return air connection port 7.
[0021] In this embodiment, in order to better utilize the waste heat and facilitate the heat conduction of the heat adsorbed by the rock wool heating box 1 itself, a waste heat utilization port 20 is provided on one side of the front side of the rock wool heating box 1, a heat conduction plate 18 is provided inside the waste heat utilization port 20, and an object card cover 19 corresponding to the waste heat utilization port 20 is provided on one side of the heat conduction plate 18.
[0022] In this embodiment, in order to form a loop control, the temperature sensor 11 is installed inside the oven to measure the temperature in real time and form feedback to facilitate constant temperature control of the temperature inside the oven. There are two air pressure switches 17, and the temperature sensor 11 is electrically connected to one of the air pressure switches 17.
[0023] In this embodiment, in order to improve the placement stability and overall bottom strength of the rock wool heating box 1, a steel structure support frame 9 is provided at the bottom of the rock wool heating box 1, and heating box feet 10 are welded at the four corners of the bottom of the steel structure support frame 9.
[0024] Working principle: The heater includes a rock wool heating box 1, a temperature sensor 11 and a burner head 12 and other structures. The burner head 12 is connected to the through hole on one side of the rock wool heating box 1 through a hollow combustion channel 13, and the valve plate assembly part 14 of the burner head 12 is correspondingly connected to the through hole on one side of the rock wool heating box 1, so that the burner head 12 can perform combustion operation (burn and generate heat inside the rock wool heating box 1) when air and fuel are introduced. An air supply connection part 2 is arranged in the middle of the other side of the rock wool heating box 1. The air supply connection part 2 is connected to the fan duct, and the heat is transported to the inside of the oven by the action of the fan. A sealing retaining ring 3 is arranged at the opening of the air supply connection part 2, and a sealing reinforcement mechanism connected to the air supply connection part 2 is arranged on the inner side of the sealing retaining ring 3. The sealing reinforcement mechanism includes structural parts such as an annular connecting seat 4 and a rubber fitting flange 6, which can ensure good assembly sealing between the air supply connection part 2 and the fan duct, reduce the gap connected to the fan duct, and thus reduce heat dissipation;
[0025] A return air connection port 7 is provided on one side of the top of the rock wool heating box 1 to connect with the return air duct of the oven, so that the air inside the oven can flow back to the inside of the rock wool heating box 1, which can reduce heat consumption and greatly improve the heat utilization efficiency. The metal baffle 8 can block the entry of powder dust and prevent internal corrosion of the rock wool heating box 1.
[0026] In order to achieve constant temperature control, the number of air pressure switches 17 is set to two, and the temperature sensor 11 is electrically connected to one of the air pressure switches 17 to form a loop control. The temperature sensor 11 is installed inside the oven to measure the temperature in real time and form feedback. When the temperature is stable and low, the two air pressure switches 17 are fully opened to speed up the air intake and improve the combustion efficiency, thereby ensuring the heat conversion rate and making the temperature inside the oven constant.
[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.
Claims
1. An automatic constant temperature heater for a fully automatic plastic spraying production line, comprising a rock wool heating box (1), a temperature sensor (11) and a burner head (12), characterized in that: A hollow combustion channel (13) is provided at one end of the burner head (12), a valve plate assembly portion (14) is provided at one end of the hollow combustion channel (13), the valve plate assembly portion (14) is correspondingly connected to a through hole on one side of the rock wool heating box (1), a combustion amount adjustment block (15) is provided at the top end of the burner head (12), an air pressure switch (17) is provided at the end of the burner head (12), an air supply connection portion (2) is provided at the middle of the other side of the rock wool heating box (1), a sealing retaining ring (3) is provided at the opening of the air supply connection portion (2), and a sealing reinforcement mechanism connected to the air supply connection portion (2) is provided on the inner side of the sealing retaining ring (3); The sealing reinforcement mechanism comprises an annular connecting seat (4) and a rubber fitting flange (6), wherein the rubber fitting flange (6) is arranged inside the air supply connecting portion (2) and the inner ring of the rubber fitting flange (6) is transitionally assembled with the annular connecting seat (4), and a uniform air outlet plate (5) is arranged inside the annular connecting seat (4).
2. The automatic constant temperature heater for the fully automatic plastic spraying production line according to claim 1 is characterized in that: A return air connection port (7) is provided on one side of the top end of the rock wool heating box (1), and a metal baffle (8) is provided inside the return air connection port (7).
3. The automatic constant temperature heater for the fully automatic plastic spraying production line according to claim 1 is characterized in that: A waste heat utilization port (20) is provided on one side of the front face of the rock wool heating box (1), a heat conduction plate (18) is provided inside the waste heat utilization port (20), and an object card cover (19) corresponding to the waste heat utilization port (20) is provided on one side of the heat conduction plate (18).
4. The automatic constant temperature heater for the fully automatic plastic spraying production line according to claim 1 is characterized in that: A scale identification disk (16) is provided on one side of the combustion quantity adjustment block (15).
5. The automatic constant temperature heater for the fully automatic plastic spraying production line according to claim 1 is characterized in that: The number of the air pressure switches (17) is two, and the temperature sensor (11) is electrically connected to one of the air pressure switches (17).
6. The automatic constant temperature heater for the fully automatic plastic spraying production line according to claim 1, characterized in that: A steel structure support frame (9) is provided at the bottom end of the rock wool heating box body (1), and heating box feet (10) are welded at the four corners of the bottom end of the steel structure support frame (9).