Numerical control electric heating device

Abstract

This utility model belongs to the technical field of heat shrink equipment and discloses a CNC electric heating device, including a device housing. The device housing contains multiple temperature control modules. A heating device and guide rail are mounted on the upper surface of the device housing. A product positioning and moving device is slidably mounted on the guide rail. The product positioning and moving device has multiple product fixing positions, and the heating device has multiple corresponding heating positions. The multiple temperature control modules inside the device housing are electrically connected to the heating modules in the heating positions. Each heating module includes a ring heating coil and a heater fixing base. The ring heating coil is disposed inside the heater fixing base and fixed to the heating device by the heater fixing base. One end of the ring heating coil is electrically connected to the temperature control module. This utility model effectively solves problems such as uneven temperature and low efficiency, and has the advantages of high heat shrink quality, simple operation, and low cost.

Description

Technical Field

[0001] This utility model belongs to the technical field of heat shrink equipment, and in particular relates to a CNC electric heating device. Background Technology

[0002] In medical device manufacturing, heat shrink tubing is commonly used in the assembly of interventional medical devices. Before production, the heat shrink tubing needs to be cut to the required length and then fitted onto the needle for heat shrinking. After heat shrinking, the surface of the tubing must be smooth and free of bubbles, wrinkles, or heat-shrink burns. Currently, most medical device heat shrink tubing is heat-shrinked using a handheld heat gun. However, handheld heat guns suffer from uneven heating temperatures, easily leading to bubbles, wrinkles, or burns on the surface. Furthermore, the heat shrinking speed relies on manual control, making it difficult to maintain a uniform pace and affecting the quality of the heat shrinking. Some automated heat shrinking equipment heats the device cavity through a heating tube before moving the product into the cavity for heat shrinking, which suffers from inaccurate temperature control. To maintain a uniform speed, heat shrinking equipment uses a motor and guide rails for movement control, resulting in high equipment costs. Moreover, heat shrinking equipment is mostly single-station operation, leading to low efficiency and failing to meet the needs of mass production. Utility Model Content

[0003] The purpose of this invention is to provide a numerically controlled electric heating device to solve the above-mentioned technical problems.

[0004] To achieve the above objectives, the specific technical solution of this utility model for a numerically controlled electric heating device is as follows: A CNC electric heating device includes a housing with multiple temperature control modules inside. A heating device and a guide rail are mounted on the upper surface of the housing. A product positioning and moving device is slidably mounted on the guide rail. The product positioning and moving device has multiple product fixing positions, and the heating device has multiple corresponding heating positions. The multiple temperature control modules inside the housing are electrically connected to the heating modules in the heating positions. The product positioning and moving device is used to fix multiple products to be processed and, by manual control, moves along the guide rail to push the products to be processed into the corresponding heating positions on the heating device. The heating module includes a ring heating coil and a heater fixing base. The ring heating coil is disposed inside the heater fixing base and fixed to the heating device by the heater fixing base. One end of the ring heating coil is electrically connected to the temperature control module.

[0005] Furthermore, the heater mounting base is cylindrical with an open end for accommodating the annular heating coil, and a heating hole and a fixing hole on the other side. The heater mounting base is fixedly installed on the front side plate of the heating chamber through the fixing hole. The annular heating coil is installed inside the heater mounting base with its axis coaxial with the heating hole. One end of the annular heating coil is electrically connected to the temperature control module through through holes in the bottom of the heating chamber and the upper surface of the equipment chamber.

[0006] Furthermore, the heater mounting base is made of fiberglass.

[0007] Furthermore, the equipment housing has multiple control panels on its side panel, which are electrically connected to multiple temperature control modules in sequence. The control panels are used to set the heating temperature of each heating module.

[0008] Furthermore, the heating device includes a heating chamber, connecting feet, and multiple heating modules. The heating chamber is fixed to one end of the upper surface of the equipment housing via the connecting feet, which are used to suspend the heating device. Multiple heating modules are fixedly installed inside the heating chamber and electrically connected to the temperature control module through through holes in the bottom of the heating chamber and the upper surface of the equipment housing. The front side plate of the heating chamber has a horizontal elongated slot with multiple mounting holes at the top and bottom. Fasteners pass through the mounting holes to arrange and install multiple heating modules on the front side plate of the heating chamber, and the heating modules form multiple heating stations at the elongated slot.

[0009] Furthermore, the control panel has a display screen and a knob, the knob being used to set the heating temperature and the display screen being used to display the heating temperature, with each annular heating coil controlled by a separate control panel.

[0010] Furthermore, the guide rail is located at the front end of the heating device and is fixedly installed on both sides of the equipment housing by fasteners.

[0011] Furthermore, the product fixing and moving device includes a slider, a speed control valve, a translation plate, and a fixing clamp. The translation plate is slidably connected to the guide rail through the slider and the speed control valve, and the fixing clamp is fixedly installed at one end of the translation plate.

[0012] Furthermore, the speed control valve includes a slider body with a groove in the middle that matches the guide rail. A cavity is located on one side of the groove, containing a compression spring and a compression ball. A tightening handle is installed on the outer wall of the cavity, connected to the compression spring by bolts. The compression ball is positioned in the slot between the groove and the cavity, contacting the side of the guide rail. The compression spring and the compression ball abut against each other. By rotating the tightening handle, the spring force of the compression spring can be adjusted, thereby adjusting the friction between the compression ball and the guide rail during the movement of the product fixing and moving device. During manual pushing of the translation plate, the thrust is a constant force to overcome this friction, thus achieving uniform speed advancement of the product fixing and moving device.

[0013] Furthermore, the fixing fixture includes a fixing base and a pressure block. The fixing base is fixedly mounted on the translation plate and includes multiple product clamping channels. The product to be processed is placed in the product clamping channel after being fitted with heat shrink tubing. The pressure block is fixed on the product clamping channel to achieve clamping. Multiple product fixing stations are formed between the product clamping channel and the pressure block, and each product fixing station is aligned with a heating station. Magnets are provided on the contact surfaces between the fixing base and the pressure block, and the pressure block and the fixing base are fixed by magnetic attraction.

[0014] The numerical control electric heating device of this utility model has the following advantages: This invention employs a ring-shaped heating coil and a fiberglass heater mounting base to form a heating module, ensuring uniform heating of the heat shrink tubing and avoiding localized overheating or insufficient temperature caused by traditional hot air guns. This effectively prevents problems such as bubbles, wrinkles, or burns, improving product yield. The fiberglass heater mounting base reduces heat loss, resulting in more stable and accurate temperature control, further enhancing heat shrink consistency. The equipment features multiple heating stations and product fixing stations, allowing for simultaneous processing of multiple products, significantly improving batch production capacity and meeting the needs of medical device industrial production. An independent temperature control module supports differentiated temperature settings for different stations, adapting to the processing requirements of different types of heat shrink tubing, offering high flexibility. Simultaneously, the manually driven product positioning and moving device eliminates the need for a motor drive, reducing equipment complexity and cost, while also minimizing maintenance requirements. By adjusting the friction between the clamping ball and the guide rail via a speed control valve, operators only need to apply a constant pushing force to achieve uniform movement, avoiding uneven manual pushing speeds that could affect the heat shrink effect.

[0015] In summary, this utility model solves the problems of uneven temperature, low efficiency, and high cost in traditional heat shrinking processes through innovative heating control, uniform speed propulsion, and multi-station design. It is particularly suitable for the medical device manufacturing field, which has strict requirements for heat shrinking quality, and has significant practical and economic value. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the overall structure of the CNC electric heating device of this utility model; Figure 2 This is a schematic diagram of the heating device structure of this utility model; Figure 3 This is a schematic diagram of the speed control valve structure of this utility model; The markings in the diagram are as follows: 1. Equipment housing; 11. Control panel; 111. Display screen; 112. Knob; 2. Heating device; 21. Heating chamber; 211. Long slot; 212. Mounting hole; 22. Connecting foot; 23. Heating module; 231. Ring heating coil; 232. Heater mounting base; 2321. Heating hole; 2322. Mounting hole; 3. Guide rail; 4. Product positioning and moving device; 41. Slider; 42. Speed ​​control valve; 421. Slider body; 4211. Slide groove; 422. Compression spring; 423. Compression ball; 424. Tightening handle; 43. Translation plate; 44. Fixing clamp; 441. Fixing base; 4411. Product clamping channel; 442. Pressure block. Detailed Implementation

[0017] To better understand the purpose, structure, and function of this utility model, a numerical control electric heating device of this utility model will be described in further detail below with reference to the accompanying drawings.

[0018] like Figure 1-3 As shown, this utility model discloses a CNC electric heating device, comprising a housing 1, with multiple temperature control modules inside the housing 1, and multiple control panels 11 on the side plate of the housing 1, which are electrically connected to the multiple temperature control modules in sequence. A heating device 2 and a guide rail 3 are mounted on the upper surface of the housing 1, and a product positioning and moving device 4 is slidably mounted on the guide rail 3. The product positioning and moving device 4 has multiple product fixing positions, and the heating device 2 has multiple corresponding heating positions. The multiple temperature control modules inside the housing 1 are electrically connected to the heating modules in the heating positions, and the control panels 11 are used to set the heating temperature of each heating module. The product positioning and moving device 4 is used to fix multiple products to be processed, and by manual control, it moves along the guide rail 3 to push the products to be processed into the corresponding heating positions on the heating device 2 for heat shrinking processing. After heat shrinking is completed, the product positioning and moving device 4 can be pulled out.

[0019] The heating device 2 includes a heating chamber 21, connecting feet 22, and multiple heating modules 23. The heating chamber 21 is fixed to one end of the upper surface of the equipment housing 1 via the connecting feet 22. The connecting feet 22 are used to suspend the heating device 2, increasing the heat dissipation space and facilitating heat dissipation for both the equipment housing 1 and the heating chamber 21. The multiple heating modules 23 are fixedly installed inside the heating chamber 21 and electrically connected to the temperature control module through through holes in the bottom of the heating chamber 21 and the upper surface of the equipment housing 1. The front panel of the heating chamber 21 has a horizontal elongated slot 211 with multiple mounting holes 212 at its upper and lower ends. Fastening screws pass through the mounting holes 212 to arrange and install the multiple heating modules 23 on the front panel of the heating chamber 21. The heating modules 23 form multiple heating stations at the elongated slot 211, allowing for the simultaneous heat shrinking of multiple products.

[0020] The heating module 23 includes a ring-shaped heating coil 231 and a heater mounting base 232. The heater mounting base 232 is cylindrical, open at one end to accommodate the ring-shaped heating coil 231, and has a heating hole 2321 and a mounting hole 2322 on the other side. The heater mounting base 232 is fixedly mounted on the front plate of the heating chamber 21 through the mounting hole 2322. The ring-shaped heating coil 231 is installed inside the heater mounting base 232, with its axis coaxial with the heating hole 2321. One end of the ring-shaped heating coil 231 is electrically connected to the temperature control module through through holes in the bottom of the heating chamber 21 and the upper surface of the equipment housing 1. The heater mounting base 232 is made of fiberglass, which not only fixes the ring-shaped heating coil 231 but also reduces heat loss, thereby reducing the energy consumption of the equipment.

[0021] The temperature control module uses an existing temperature control chip to control the ring heating coil 231 for heating. The control panel 11 has a display screen 111 and a knob 112. The knob is used to set the heating temperature, and the display screen 111 is used to display the heating temperature. Each ring heating coil 231 is controlled by a separate control panel 11, which can process different types of products at the same time according to different needs.

[0022] The guide rail 3 is located at the front end of the heating device 2 and is fixedly installed on both sides of the equipment housing 1 by fasteners. The product fixing and moving device 4 includes a slider 41, a speed control valve 42, a translation plate 43 and a fixing clamp 44. The translation plate 43 is slidably connected to the guide rail 3 through the slider 41 and the speed control valve 42, and the fixing clamp 44 is fixedly installed at one end of the translation plate 43. The speed control valve 42 includes a slider body 421. The slider body 421 has a groove 4211 in the middle that matches the guide rail 3. One side of the groove 4211 has a cavity containing a compression spring 422 and a compression ball 423. A tightening handle 424 is installed on the outer wall of the cavity. The tightening handle 424 is connected to the compression spring 422 by bolts. The compression ball 423 is set in the slot between the groove 4211 and the cavity and contacts the side of the guide rail 3. The compression spring 422 and the compression ball 423 abut against each other. By rotating the tightening handle 424, the elastic force of the compression spring 422 can be adjusted, thereby adjusting the friction between the compression ball 423 and the guide rail 3 during the movement of the product fixing and moving device 4. This ensures that during the manual pushing of the translation plate 43, the pushing force is a constant force that overcomes the friction, thereby achieving uniform speed advancement of the product fixing and moving device 4.

[0023] The fixing fixture 44 includes a fixing base 441 and a pressure block 442. The fixing base 441 is fixedly mounted on the translation plate 43. The fixing base 441 includes multiple product clamping channels 4411. The product to be processed, fitted with heat shrink tubing, is placed in the product clamping channel 4411. The pressure block 442 is fixed on the product clamping channel 4411 to achieve clamping. Multiple product fixing stations are formed between the product clamping channel 4411 and the pressure block 442, and each product fixing station is aligned with a heating station. Preferably, the contact surfaces between the fixing base 441 and the pressure block 442 are provided with magnets. The pressure block 442 and the fixing base 441 are fixed by magnetic attraction, which can achieve quick clamping and fixing, which is convenient and fast.

[0024] In use, first connect the power supply to the equipment. Use the knob 112 on the control panel 11 to set the heating temperature of each heating station, ensuring the temperature meets the process requirements for heat shrink tubing. Observe the display screen 111 to confirm that the temperature of each heating module 23 has reached the set value. Then, place the products to be processed (such as needles with heat shrink tubing) sequentially into the product clamping channel 4411 of the fixing fixture 44. Secure the pressure block 442 to the fixing base 441 using magnetic attraction, ensuring the product is stable and the heat shrink tubing portion is exposed outside the clamping channel. Depending on production needs, multiple products can be clamped simultaneously at multiple product fixing stations to improve efficiency.

[0025] Next, by adjusting the tightening handle 424 of the speed control valve 42, the friction between the clamping ball 423 and the guide rail 3 is adjusted. The translation plate 43 is then gently pushed, causing the product fixing and moving device 4 to move along the guide rail 3 towards the heating device 2. The product fixing and moving device 4 is pushed forward evenly and stably under a constant thrust. When the product enters the heating station, the product to be processed extends into the annular heating coil 231 through the heating hole 2321. The annular heating coil 231 heats the heat shrink tubing evenly, causing it to shrink and tightly wrap around the product surface. After heat shrinking is complete, the translation plate 43 is pulled back to its initial position. Finally, the pressure block 442 is released, the processed product is removed, and the surface of the heat shrink tubing is checked for flatness, absence of bubbles, or wrinkles. The above clamping, pushing, and heat shrinking steps are repeated to achieve mass production. If different types of products need to be processed, the temperature parameters of the corresponding heating station can be adjusted individually through the control panel 11.

[0026] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A numerically controlled electric heating device comprising a device cabinet (1), characterized in that, The equipment housing (1) has multiple temperature control modules inside. The upper surface of the equipment housing (1) is equipped with a heating device (2) and a guide rail (3). A product positioning and moving device (4) is slidably installed on the guide rail (3). The product positioning and moving device (4) has multiple product fixing positions. The heating device (2) has multiple corresponding heating positions. The multiple temperature control modules inside the equipment housing (1) are electrically connected to the heating modules (23) in the heating positions. The product positioning and moving device (4) is used to fix multiple products to be processed and to move along the guide rail (3) by manual control to push the products to be processed into the corresponding heating positions on the heating device (2). The heating module (23) includes a ring heating coil (231) and a heater fixing base (232). The ring heating coil (231) is set inside the heater fixing base (232) and fixed on the heating device (2) by the heater fixing base (232). One end of the ring heating coil (231) is electrically connected to the temperature control module.

2. The numerically controlled electric heating device according to claim 1, characterized in that The heater mounting base (232) is cylindrical with one end open to accommodate the annular heating coil (231). The other side has a heating hole (2321) and a fixing hole (2322). The heater mounting base (232) is fixedly mounted on the front side plate of the heating box (21) through the fixing hole (2322). The annular heating coil (231) is installed inside the heater mounting base (232), with its axis coaxial with the heating hole (2321). One end of the annular heating coil (231) is electrically connected to the temperature control module through the through holes at the bottom of the heating box (21) and the upper surface of the equipment box (1).

3. The numerically controlled electric heating device according to claim 1, characterized in that The heater mounting base (232) is made of fiberglass.

4. The digitally controlled electric heating device of claim 1, wherein, The equipment housing (1) has multiple control panels (11) on its side panel. The multiple control panels (11) are electrically connected to multiple temperature control modules in sequence. The control panels (11) are used to set the heating temperature of each heating module.

5. The digitally controlled electric heating device of claim 1, wherein, The heating device (2) includes a heating box (21), connecting feet (22) and multiple heating modules (23). The heating box (21) is fixed to one end of the upper surface of the equipment box (1) through the connecting feet (22), and the connecting feet (22) are used to suspend the heating device (2). Multiple heating modules (23) are fixedly installed inside the heating box (21) and electrically connected to the temperature control module through the through holes at the bottom of the heating box (21) and the upper surface of the equipment box (1). The front side plate of the heating box (21) has a horizontal long strip slot (211). The upper and lower ends of the long strip slot (211) have multiple mounting holes (212). Fasteners pass through the mounting holes (212) to arrange and install multiple heating modules (23) on the front side plate of the heating box (21). The heating modules (23) form multiple heating stations at the long strip slot (211).

6. The digitally controlled electric heating device of claim 4, wherein, The control panel (11) has a display screen (111) and a knob (112), the knob (112) being used to set the heating temperature and the display screen (111) being used to display the heating temperature. Each annular heating coil (231) is controlled by a separate control panel (11).

7. The digitally controlled electric heating device of claim 1, wherein, The guide rail (3) is set at the front end of the heating device (2) and is fixedly installed on both sides of the equipment box (1) by fasteners.

8. The digitally controlled electric heating device of claim 1, wherein, The product positioning and moving device (4) includes a slider (41), a speed control valve (42), a translation plate (43), and a fixing fixture (44). The translation plate (43) is slidably connected to the guide rail (3) through the slider (41) and the speed control valve (42). The fixing fixture (44) is fixedly installed at one end of the translation plate (43).

9. The digitally controlled electric heating device of claim 8, wherein, The speed control valve (42) includes a slider body (421), which has a groove (4211) in the middle that matches the guide rail (3). A cavity is located on one side of the groove (4211), containing a compression spring (422) and a compression ball (423). A tightening handle (424) is installed on the outer wall of the cavity. The tightening handle (424) is connected to the compression spring (422) by bolts. The compression ball (423) is disposed in the groove (4211). 1) On the slot between the cavity and the guide rail (3), the compression spring (422) and the compression ball (423) abut against each other. The spring force of the compression spring (422) can be adjusted by rotating the tightening handle (424), thereby adjusting the friction between the compression ball (423) and the guide rail (3) during the movement of the product positioning moving device (4). During the process of manually pushing the translation plate (43), the thrust is a constant force to overcome the friction, thereby realizing the uniform speed advancement of the product positioning moving device (4).

10. The digitally controlled electric heating device of claim 8, wherein, The fixing fixture (44) includes a fixing seat (441) and a pressure block (442). The fixing seat (441) is fixedly installed on the translation plate (43). The fixing seat (441) includes multiple product clamping channels (4411). The product to be processed is fitted with heat shrink tubing and placed in the product clamping channel (4411). The pressure block (442) is fixed on the product clamping channel (4411) to achieve clamping. Multiple product fixing stations are formed between the product clamping channel (4411) and the pressure block (442). Each product fixing station is aligned with the heating station. The contact surfaces between the fixing seat (441) and the pressure block (442) are provided with magnets. The pressure block (442) and the fixing seat (441) are fixed by magnetic attraction.

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