Drying oven

Abstract

The utility model discloses a drying oven which comprises a rack arranged in the horizontal direction. The supporting frame can move in the length direction of the rack and is used for placing a to-be-machined product and controlling the to-be-machined product to move; the box body is of a hollow structure, the box body is erected in the middle of the rack, the axial direction of the box body is arranged in the length direction of the rack, and a heating mechanism is arranged in the box body and used for heating a product to be machined; openings are formed in the two axial ends of the box body and are a feeding port and a discharging port respectively, and a product to be machined penetrates into or out of the box body through the openings. Sealing pieces are fixed to the edges of the feeding port and the discharging port and flexibly cover the opening. According to the invention, segmented heating can be realized for an ultra-long product, meanwhile, the heat loss is reduced, and the heating efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of heating equipment, and particularly to an oven. Background Art

[0002] Currently, heating equipment for extra-long products is still lacking. Taking extra-long composite insulators as an example, a composite insulator includes a core rod, fittings at both ends of the core rod, and a silicone rubber umbrella skirt covering the outer periphery of the core rod. Due to the long length of the composite insulator, a segmented injection molding process needs to be adopted. During the production process of the composite insulator, in order to make the silicone rubber fully bond with the core rod, it is necessary to pre-coat the surface of the core rod with a coupling agent, then send it into the oven for heating and drying at a certain temperature and time, and then send it into an injection machine to inject silicone rubber. Therefore, the traditional segmented injection molding process needs to first complete the pre-baking and injection treatment of one section of the core rod, and then perform the pre-baking and injection treatment of the next section of the core rod, and so on until the composite insulator is prepared.

[0003] Existing ovens have great limitations on the length of the core rod to be heated. Even for a certain section of the core rod to be processed, it is necessary to manually turn the core rod multiple times for heating to dry the coupling agent, which is cumbersome to operate and has low production efficiency; even multiple heating is difficult to meet the requirements of segmented heating of the core rod. In addition, the existing oven structure has a lot of hot air loss and low heating efficiency. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the present application is to provide an oven that can achieve segmented heating for extra-long products, while reducing heat loss and improving heating efficiency.

[0005] To achieve the above purpose, the technical means adopted by the present application are as follows: An oven includes a frame, the frame is arranged horizontally; a support frame, the support frame is movable along the length direction of the frame, and is used to place the product to be processed and control the movement of the product to be processed; a box body, which is a hollow structure, the box body is erected in the middle of the frame, and the axial direction of the box body is arranged along the length direction of the frame. A heating mechanism is provided in the box body for heating the product to be processed; openings are provided at both axial ends of the box body, which are respectively a feed inlet and a discharge outlet, for the product to be processed to pass through or out of the box body; sealing sheets are fixed at the edges of the feed inlet and the discharge outlet, and the sealing sheets flexibly cover the openings.

[0006] Among them, the heating mechanism includes a plurality of heating tubes and a blower. The plurality of heating tubes are evenly arranged in the box body, and the blower is arranged on the top of the box body. Uniformly arranging heating tubes in the box body can uniformly heat and raise the temperature in the box body, and the setting of the blower can evenly disperse hot air in the box body.

[0007] The support frame includes a positioning member, which is a rectangular parallelepiped structure. The positioning member is arranged at the end of the support frame and is used to abut and fix the product to be processed.

[0008] Among them, at least two support members are arranged at intervals on the support frame, and the support members are V-shaped structures for supporting the products to be processed. The arrangement of at least two V-shaped support members can fix the position of the products to be processed, and can also provide stable support for the products to be processed to prevent them from sliding.

[0009] The support members can be moved along the support frame to adjust the distance between any two adjacent support members. The distance between the support members can be adjusted in order to adapt to products to be processed with different length specifications within a certain range.

[0010] The ends of the two branch rods of the support member are respectively sleeved with polyurethane sleeves. The setting of the polyurethane sleeves can prevent the support member from contacting the product to be processed coated with the coupling agent and affecting its performance.

[0011] The support frame further includes a driving motor and a brake mechanism. The driving motor is used to drive the support frame to move along the length direction of the frame, and the brake mechanism is used to control the support frame to stop moving.

[0012] The oven further includes a control system, which includes a control cabinet, a speed sensor, and a temperature sensor. The control cabinet is arranged on one side of the oven, the temperature sensor is arranged in the oven, and the speed sensor is arranged on the support frame. The control cabinet communicates with the temperature sensor and the speed sensor. The control system can control the heating temperature in the oven and the moving speed of the support frame by inputting parameters in advance, and can also adjust them in real time.

[0013] The frame also includes a slide rail, and the frame is arranged across the middle of the slide rail; the support frame is slidably connected to the slide rail through rollers; and an axial opening is arranged at the bottom of the box body for the support frame to pass through. The arrangement of the slide rail and the roller can facilitate the movement of the product to be processed.

[0014] The support frame further includes a baffle and a cylinder disposed below the baffle, and the cylinder drives the baffle to lift up to seal the axial opening at the bottom of the box. When the target processing part of the product to be processed enters the box and stops moving to wait for heating, the baffle can be lifted upward by the lifting of the cylinder, thereby abutting against the bottom of the box and sealing the axial opening, reducing heat loss and improving heating efficiency.

[0015] The edge of the axial opening is fixed with a windshield strip to block the gap between the raised baffle and the box body. The windshield strip can prevent hot air from flowing out of the gap between the box body and the baffle, thereby improving the heating efficiency.

[0016] Among them, the rack further includes a fixed bracket, which includes a lower bracket and an upper bracket. The top plate of the lower bracket abuts against and seals the axial opening at the bottom of the box body; the support frame is movably arranged on the fixed bracket. Compared with the situation of using a baffle to seal the axial opening at the bottom of the box body, setting a fixed bracket fixedly connected to the box body without gaps at the bottom of the box body and movably arranging the support frame on the fixed bracket can reduce heat loss, improve heating efficiency, and at the same time simplify the structure of the entire device.

[0017] Among them, the fixed bracket further includes rollers, and the support frame further includes grooves matching the shape of the rollers. The grooves and the rollers cooperate with each other to enable the support frame to move along the length direction of the rack.

[0018] The beneficial effects of the present application are as follows: Different from the prior art, the oven of the present application includes a rack, a support frame, and a box body. By precisely controlling the movement of the product to be processed through the support frame, it can penetrate into the box body and stay at the target position, facilitating the box body to perform heat treatment on the target processing part of the product to be processed, thereby realizing an efficient segmented heating function, with simple operation and high efficiency; and the opening of the box body is flexibly sealed by a sealing sheet, which can seal the box body while not affecting the penetration of the product to be processed into and out of the box body, reducing heat loss and improving heating efficiency.

[0019] At the same time, the present application seals the axial opening at the bottom of the box body through a baffle and a windshield strip, or by setting a fixed bracket at the bottom of the oven that can directly seal the axial opening of the box body, which can reduce the heat loss in the box body and improve heating efficiency.

[0020] In addition, the present application evenly arranges several heating tubes in the box body and sets a blower at the top of the box body. During heating, it can make the hot air in the box body evenly distributed, effectively preventing damage to the product to be processed caused by excessive local temperature, and the heating effect is better. Description of the Drawings

[0021] Figure 1 is a three-dimensional structural schematic diagram of an oven 10 in an embodiment of the present application;

[0022] Figure 2 is a front view of a support frame 200 in an embodiment of the present application;

[0023] Figure 3 is a three-dimensional structural schematic diagram of a heating mechanism 400 in an embodiment of the present application;

[0024] Figure 4 is a three-dimensional structural schematic diagram of another oven 20 in the present application. Detailed Embodiments

[0025] According to the requirements, specific embodiments of the present application will be disclosed herein. However, it should be understood that the embodiments disclosed herein are merely typical examples of the present application, which can be embodied in various forms. Therefore, the specific details disclosed herein are not considered restrictive, but merely as the basis for the claims and as a representative basis for teaching those skilled in the art to apply the present application differently in any appropriate manner in practice, including adopting various features disclosed herein and combining features that may not be explicitly disclosed herein.

[0026] In one embodiment, as Figure 1 shown, an oven 10 includes a frame 100, a support frame 200, and a box body 300. The frame 100 is arranged in the horizontal direction. The support frame 200 is movable along the length direction of the frame 100. For example, the support frame 200 is movably arranged on the frame 100 along the length direction of the frame 100, and is used to place the product to be processed 11 and control the movement of the product to be processed 11. The box body 300 is a hollow structure. The box body 300 is erected in the middle of the frame 100, and the axial direction of the box body 300 is arranged along the length direction of the frame 100. A heating mechanism 400 is provided in the box body 300 for heating the product to be processed 11; openings are provided at both axial ends of the box body 300, which are respectively a feed port and a discharge port, for the product to be processed 11 to pass through or out of the box body 300; sealing sheets (not shown in the figure) are fixed at the edges of the feed port and the discharge port, and the sealing sheets flexibly cover the openings.

[0027] It can be understood that the above product to be processed 11 can be an ultra-long composite insulator and its semi-finished products, or a composite insulator and its semi-finished products with a normal length specification, or other types of products that need to be heat-treated, which are not specifically limited herein. For the convenience of explaining the structure of the oven 10, the following will take the product to be processed 11 as an ultra-long mandrel 11 as an example for illustration.

[0028] The oven 10 of the present application drives the mandrel 11 to move through the support frame 200, so that the mandrel 11 can pass through the box body 300 and the target processing part of the mandrel 11 stays at the target position in the oven 10 for heat treatment, thereby realizing segmented heating of the mandrel 11, and there is no need to manually adjust the position of the mandrel 11, with simple operation, high efficiency, and low labor cost; and by flexibly covering the openings of the box body 300 with the sealing sheets, heat loss can be reduced and heating efficiency can be improved.

[0029] The frame 100 is arranged horizontally. The frame 100 includes a slide rail 110 and a frame body 120. The slide rail 110 is arranged horizontally and is used to move the support frame 200. The frame body 120 is also arranged horizontally and is used to install the box body 300. Specifically, the slide rail 110 includes several slide rail bases and two linear tracks. The slide rail bases are rectangular plate structures. Several slide rail bases are arranged at intervals along the length direction of the slide rail 110 and are parallel to each other. Both ends of all the slide rail bases are located on two parallel straight lines. The two linear tracks are respectively vertically connected to both ends of each slide rail base, making the two linear tracks parallel to each other, and are used to move the support frame 200. The frame body 120 is a frame structure and is spanned across the middle of the slide rail 110. The box body 300 is fixed on the top of the frame body 120, so that the box body 300 is also spanned across the middle of the slide rail 110. Furthermore, the support frame 200 can penetrate into the box body 300 from the feed port of the box body 300 along the slide rail 110, and then penetrate out of the box body 300 from the discharge port of the box body 300. A number of support feet are evenly arranged at the bottom of the frame body 120 and are used to support the frame body 120. And the support feet are movable relative to the ground, which is convenient for moving the position of the frame body 120, and the height of the support feet relative to the ground is adjustable, which is convenient for adjusting the height of the frame body 120 relative to the ground, so that the position of the frame 100 can be adjusted according to the length specification of the mandrel 11, which is more flexible and convenient.

[0030] The box body 300 is a cuboid structure and is arranged on the top of the frame body 120. And both sides of the bottom are fixedly connected to the frame body 120 and are located above the slide rail 110. An axial opening is arranged below the box body 300 for the support frame 200 to pass through. The box body 300 is erected at a certain height through the frame body 120, so that a space is formed between the lower part of the box body 300 and the slide rail 110 for the support frame 200 to move on the slide rail 110, so that the mandrel 11 can be inserted and moved along the axial direction of the mandrel 11 inside the box body 300.

[0031] Continue to refer to Figure 1 , the box body 300 is a hollow cuboid structure with openings at both ends. For the convenience of description, the two openings at both axial ends of the box body 300 are respectively defined as the feed port and the discharge port. Among them, along the moving direction of the mandrel 11, the opening through which the mandrel 11 enters the box body 300 is the feed port, and the opening through which the mandrel 11 leaves the box body 300 is the discharge port. The sizes of the feed port and the discharge port are the same. The present application does not limit the shapes and sizes of the box body 300, the feed port, and the discharge port, and only actual design needs to be carried out according to the size of the mandrel 11.

[0032] Sealing sheets (not shown in the figure) are fixed to the edges of both the feed inlet and the discharge outlet. Hereinafter, the sealing sheet at the feed inlet will be taken as an example for description. The sealing sheet installed at the edge of the feed inlet includes a plurality of sealing portions. The length direction of each sealing portion is arranged along the radial direction of the feed inlet, and the plurality of sealing portions are evenly distributed along the circumferential direction of the feed inlet to cooperate with each other to flexibly cover the feed inlet. In this way, when the mandrel 11 penetrates into the box body 300 or moves inside the box body 300, the sealing sheet can fit the outer circumference of the mandrel 11 for flexible yielding and will not hinder the movement of the mandrel 11. When the mandrel 11 is heated inside the box body 300, the sealing sheet fits the outer circumference of the mandrel 11 to maintain good sealing performance of the box body 300 and avoid heat loss caused by hot air overflowing from the box body 300. It can be understood that the sealing sheet can be circular, rectangular, pentagonal, etc., and the sealing portion can be fan-shaped, triangular, rectangular, etc., as long as the sealing portions can cooperate with each other to flexibly cover the feed inlet and the discharge outlet, and no specific limitation is made here.

[0033] Furthermore, in order to prevent the sealing sheet from being damaged due to continuous heating and affecting the sealing effect of the box body 300, the sealing sheet is made of a flexible material with high temperature resistance, corrosion resistance and elasticity in the prior art, such as polytetrafluoroethylene, silicone rubber, etc., and the present application does not limit this.

[0034] Combined with Figure 3 , the heating mechanism 400 is arranged inside the box body 300. The heating mechanism 400 includes a plurality of heating tubes 420 and a fixing frame 430 for fixing the heating tubes 420. The plurality of heating tubes 420 are evenly arranged inside the box body 300, and the fixing frame 430 is arranged at both axial ends of the box body 300. Specifically, two fixing frames 430 are provided inside the box body 300, which are respectively clamped on the inner walls at both axial ends of the box body 300. The fixing frame 430 is a whole open-ring structure. An opening for the support frame 200 to penetrate the box body 300 is provided at the bottom of the fixing frame 430. A plurality of mounting holes 431 are evenly arranged in the circumferential direction on each fixing frame 430. The mounting holes 431 on the two fixing frames 430 are arranged correspondingly for installing the heating tubes 420, so that the length directions of the plurality of heating tubes 420 can be arranged along the axial direction of the box body 300 and evenly distributed. In this way, when the support frame 200 carries the mandrel 11 and starts to enter the box body 300, it can enter the inside of the box body 300 through the opening at the bottom of the fixing frame 430 for heating, and the plurality of heating tubes 420 can form a columnar heating cavity around the mandrel 11, making the mandrel 11 heated more evenly and avoiding local overheating of the mandrel 11 and causing damage. It can be understood that the fixing frame 430 can also be other structures such as a rectangular frame, as long as the number and specific installation positions of the heating tubes 420 are adjusted correspondingly, and no specific limitation is made here.

[0035] Furthermore, in order to make the heat distribution generated by the heating mechanism 400 in the box body 300 more uniform, the heating mechanism 400 further includes a plurality of fans 410 and a plurality of heat conduction grooves 440. The plurality of fans 410 are arranged on the top of the box body 300, and the plurality of heat conduction grooves 440 are arranged between the inner wall of the box body 300 and the heating tube 420, and the plurality of heat conduction grooves 440 are evenly distributed along the axial direction of the box body 300. In this embodiment, the inner cavity of the box body 300 is a cuboid cavity. The heat conduction groove 440 includes two side grooves and a top groove, and the notch directions of the side grooves and the top groove both face the inner wall of the box body 300; the two side grooves are clamped with the side walls of the box body 300, and the top groove is clamped with the top wall of the box body 300, so that the heat conduction groove 440 is in an overall "C" - shaped structure and the opening of the "C" - shaped structure faces the bottom wall of the box body 300, so that the movement of the support frame 200 in the box body 300 is not affected. The size of the heat conduction groove 440 matches the inner cavity of the box body 300, so that hot air is more evenly distributed in the box body 300; in other embodiments, the inner cavity of the box body can also be in the shape of a cylinder, an ellipsoid, etc., as long as the structure of the heat conduction groove is adjusted accordingly, which is not specifically limited here. The fan 410 includes a connected motor and a fan. The motor is fixedly installed on the top of the outer wall of the box body 300, and the fan penetrates through the outer wall of the box body 300 and is fixed in the top groove of the heat conduction groove 440, that is, the plurality of fans are correspondingly arranged with the plurality of heat conduction grooves 440. The motor can drive the fan to rotate. In this way, while the heating tube 420 is heating, each motor drives each fan to rotate to form hot air, and the hot air is evenly dispersed throughout the box body 300 through the top groove and the side grooves of the heat conduction groove 440, so that the mandrel 11 is heated more evenly and local overheating damage to the mandrel 11 is avoided.

[0036] In this embodiment, the heating tube 420 is a long - straight infrared heating tube, which can achieve heat transfer without contacting the mandrel 11, and the infrared heating tube is convenient to control the heating area and heating time, and can achieve a faster heating speed and better heating effect with less energy consumption. In other embodiments, other types of heating structures such as resistance wires can be set as long as they can meet the mandrel heating requirements, which are not limited here.

[0037] Refer to Figure 1 and Figure 2, the support frame 200 includes: a base 201 slidably connected to the slide rail 110, two first brackets 202 spaced apart along the length direction of the base 201 on the base 201, a second bracket 203 erected on the two first brackets 202, a positioning member 220 and a support member 230 provided on the second bracket 203. The base 201, the first bracket 202, the second bracket 203 and the support member 230 cooperate with each other in the vertical direction to raise the position of the mandrel 11 so that the mandrel 11 can completely enter the box body 300 for heating. Among them, the length direction of the base 201, the length direction of the frame 100, and the length direction of the slide rail 110 are all in the same direction.

[0038] The base 201 is a plate-like member, and two rows of rollers 111 matching two straight tracks are arranged on its bottom surface, so that the base 201 is slidably connected to the slide rail 110, so that the support frame 200 and the mandrel 11 placed on the support frame 200 can move along the slide rail 110. It can be understood that the base 201 can be an "H"-shaped plate member or an "I"-shaped plate member, or it can also be of other shapes, as long as the base 201 can be slidably connected to the slide rail 110 and its structure can meet the load-bearing requirements of the mandrel 11, and no specific restrictions are made here.

[0039] The first bracket 202 is a rectangular parallelepiped column, and the two first brackets 202 are spaced apart along the length direction of the base 201 on the base 201. For example, the two first brackets 202 can be oppositely arranged at both ends of the base 201. The second bracket 203 is a slender rectangular plate member, and the second bracket 203 is erected on the two first brackets 202, so that the second bracket 203 is arranged along the length direction of the base 201, that is, the second bracket 203 is arranged along the length direction of the frame 100, for carrying the mandrel 11.

[0040] The positioning member 220 is of a cuboid structure and is arranged at the end of the support frame 200, that is, at the end of the second support 203. The positioning member 220 is used to abut against the end of the mandrel 11 to fix the position of the mandrel 11 and prevent the mandrel 11 from moving erratically during movement. It can be understood that the number of the positioning members 220 can be one, that is, the positioning member 220 is arranged at one end of the second support 203. At this time, the length of the mandrel 11 placed on the support frame 200 is not limited by the length of the second support 203. As long as one end of the mandrel 11 abuts against the positioning member 220, the support frame 200 can support mandrels 11 of more length specifications, expanding the applicable range of the equipment. The number of the positioning members 220 can also be two, and the two positioning members 220 are respectively arranged at both ends of the second support 203. At this time, the length of the mandrel 11 placed on the support frame 200 needs to be less than the length of the second support 203. One end of the mandrel 11 can abut against any one of the positioning members 220. In this way, different positioning members 220 can be flexibly selected for abutting according to the target heating position on the mandrel 11, avoiding the too long movement time of the mandrel 11 due to the too far distance between the target heating position on the mandrel 11 and the feeding port, thereby reducing the working efficiency.

[0041] At least two support members 230 are also arranged at intervals on the support frame 200, that is, at least two support members 230 are arranged at intervals on the second support 203 for cooperatively supporting the mandrel 11. The support member 230 includes two branch rods arranged at an angle, making the support member 230 as a whole in a V-shaped structure. In this way, no matter what shape the cross-section of the mandrel 11 placed on the support member 230 is, the support member 230 can use the two branch rods to clamp the mandrel 11, making it difficult for the mandrel 11 to roll and slip during movement. Using at least two support members 230 to cooperatively support the mandrel 11 can ensure the stability of the support effect, avoiding that when there is only one support member 230 and it is not in the exact middle of the mandrel 11, the mandrel 11 may be unstable in force and tilt and fall. It can be understood that the specific number of the support members 230 can be adjusted according to the length specification of the mandrel 11, and no specific limitation is made here.

[0042] Furthermore, the support member 230 can move along the second support 203 to adjust the distance between any two adjacent support members 230, so that each support member 230 can cooperate to support mandrels 11 of more different length specifications, improving the applicable range of the support frame 200. And the support member 230 is detachably connected to the second support 203, and different specifications and numbers of support members 230 can be replaced according to the mandrels 11 of different cross-section specifications (mainly the outer diameter size), further improving the universality of the equipment. In this embodiment, the mandrel 11 is of a solid structure and the cross-section is circular. In other embodiments, the cross-section of the mandrel can also be an annular shape, or other shapes such as an elliptical shape or a square shape, and no specific limitation is made here.

[0043] Further, polyurethane sleeves are respectively sleeved on the end portions of the two branch rods of the support member 230. The polyurethane material has high mechanical strength, good toughness, a smooth surface, and a small friction coefficient, which will not cause damage to the surface of the mandrel 11. Moreover, the polyurethane material can prevent the support member 230 from affecting the performance of the mandrel 11 coated with the coupling agent after contacting it. In other embodiments, the contact portion between the support member and the mandrel can be made of other materials, as long as it can ensure that its surface is smooth, will not cause damage to the mandrel surface, and will not affect the performance of the coupling agent.

[0044] Further, in order to prevent the heat in the box body 300 from escaping from the axial opening at the bottom of the box body 300, the support frame 200 further includes a plurality of baffles 240 and a cylinder 250 disposed below the baffles 240. The cylinder 250 can drive the baffles 240 to move in the vertical direction. The baffles 240 are horizontally disposed on the base 201. Since the first bracket 202 has a certain height, a moving space for the baffles 240 to move in the vertical direction can be formed between the second bracket 203 and the base 201. The shape and size of the baffles 240 match the axial opening at the bottom of the box body 300. When the support frame 200 drives the mandrel 11 to move into the box body 300, the cylinder 250 drives the baffles 240 to rise until the baffles 240 seal the axial opening at the bottom of the box body 300, effectively preventing the heat loss caused by the direct dissipation of the high-temperature air generated by the heating mechanism 400 working from the axial opening at the bottom of the box body 300, so as to make more full use of the heat energy and reduce the energy consumption. It can be understood that the size of the baffles 240 can also be larger than the size of the axial opening at the bottom of the box body 300, as long as the function of the baffles 240 can be achieved, and no specific limitation is made here.

[0045] In this embodiment, in order to make the equipment structure more compact, the first bracket 202 can be directly used to seal a part of the axial opening at the bottom of the box body 300. At this time, the baffle 240 includes three plate members, and the three plate members respectively sandwich the two first brackets 202. A cylinder 250 is disposed below each plate member, and the three cylinders 250 can respectively drive the three plate members to rise, so that the three plate members and the two first brackets 202 can cooperate to seal the axial opening below the box body 300. In other embodiments, the baffle can also be composed of other numbers of plate members, or the baffle can be an integral plate member, and the corresponding number of cylinders is set corresponding to the number of baffles, as long as the function of the baffle can be achieved, and no specific limitation is made here.

[0046] Further, refer to Figure 1 and Figure 2, in order to prevent hot air from escaping from the bottom of the box body 300, a number of wind-blocking wool strips (not shown in the figure) are fixedly installed at the edge of the axial opening at the bottom of the box body 300, which are used to block the gap between the raised baffle 240 and the box body 300. It can be understood that the wind-blocking wool strips can be fixed on the two side walls of the axial opening at the bottom of the box body 300, or can be fixed on the outer bottom wall outside the axial opening at the bottom of the box body 300, or can also be set at the above two positions at the same time, as long as a number of wind-blocking wool strips cooperate with each other to block the gap between the baffle 240 and the box body 300, and this application does not limit this. Each wind-blocking wool strip includes a brush fixing part and bristles fixed on the brush fixing part. The brush fixing part is detachably connected to the edge of the axial opening at the bottom of the box body 300, so that the bristles cover the gap between the baffle 240 and the two side walls of the axial opening at the bottom of the box body 300. The bristles can be made of materials such as nylon, polyester fiber, animal hair, plant fiber, etc., and the specific length of the bristles can be adjusted according to the blocking requirements. As long as the bristles of a number of wind-blocking wool strips can cooperate with each other to close the gap between the axial opening at the bottom of the box body 300 and the baffle 240 and will not interfere with the baffle 240, so that when the cylinder 250 drives the baffle 240 to rise to seal the axial opening at the bottom of the box body 300, the bristles can fill the gap between the baffle 240 and the two side walls of the axial opening at the bottom of the box body 300, effectively preventing high-temperature air from directly escaping from the axial opening below the box body 300 and causing heat loss, so that the heat energy can be more fully utilized and the energy consumption can be reduced.

[0047] Furthermore, referring to Figure 1 and Figure 3 , in order to facilitate the precise control of the movement of the mandrel 11, a driving motor 210 and a braking mechanism (not shown in the figure) are also provided on the support frame 200. The driving motor 210 can drive the support frame 200 to move along the length direction of the frame 100, so as to drive the mandrel 11 to move into or out of the box body 300; the braking mechanism can control the support frame 200 to stop moving, so as to control the mandrel 11 to stop moving at the target position. Among them, the driving motor 210 is a servo motor, etc., which can accurately control the moving distance and position of the support frame 200; the braking mechanism can be a common braking mechanism in the prior art, such as a drum braking mechanism, a disc braking mechanism, etc., and no specific limitation is made here. Before heating the mandrel 11, the driving motor 210 can be used to drive the support frame 200 to drive the mandrel 11 to move first. Until the target processing part of the mandrel 11 completely enters the box body 300, at this time, the braking mechanism is used to control the support frame 200 to stop moving, so that the target processing part on the mandrel 11 stays at the target position in the box body 300 and waits for subsequent heating treatment.

[0048] Further, to make the operation of the oven 10 more intelligent, the oven 10 further includes a control system 500. The control system 500 is a PLC control system, including a control cabinet 510 provided on one side of the box body 300 and having a visualization screen, a temperature sensor (not shown in the figure) provided in the box body 300, and a speed sensor (not shown in the figure) provided on the support frame 200. The temperature sensor is used to detect the actual temperature inside the box body 300 and feedback it to the control cabinet 510. The speed sensor is used to detect the actual moving speed of the support frame 200 and feedback it to the control cabinet 510. The control cabinet 510, the temperature sensor, and the speed sensor are communicatively connected, so as to realize the intelligent control of the oven 10. Before the oven 10 operates, the set heating temperature and set moving speed of the mandrel can be pre-entered in the control cabinet 510. Thus, during the operation of the oven 10, the control system 500 can adjust and control the temperature inside the box body 300 and the moving speed of the support frame 200 in real time according to the detection values fed back by the temperature sensor and the speed sensor. For example, when the actual temperature inside the box body 300 fails to reach the set heating temperature of the mandrel 11, the control increases the number of heating tubes 420 that are working, so that the temperature inside the box body 300 continues to rise. When the actual temperature exceeds the set heating temperature, the control reduces the number of heating tubes 420 that are working or controls the heating tubes 420 that are working to reduce the heating temperature until the actual temperature is equal to the set heating temperature, thereby ensuring the processing quality of the mandrel 11. Of course, the control system 500 can also adopt other forms of control systems and detection components, as long as the intelligent control of the oven 10 can be realized.

[0049] In another embodiment, continue to refer to Figure 4 , the present application further provides an oven 20, whose structure is basically similar to that of the oven 10. The difference is that the oven 20 includes a frame 600, a support frame 700, and a box body 300. The support frame 700 is movable along the length direction of the frame 600 and is used to place the mandrel 11 and control the movement of the mandrel 11. The specific structure and function of the box body 300 are as described above and will not be elaborated here.

[0050] The frame 600 includes a frame body 610 and a fixing bracket 620. The frame body 610 has the same structure as the aforementioned frame body 120 and is used to support the box body 300, which will not be elaborated here; the fixing bracket 620 includes a slide rail base 621, two roller tracks 622 arranged on both sides of the slide rail base 621, and two groups of rollers 623 correspondingly arranged in the two roller tracks 622. Specifically, the slide rail base 621 includes a lower bracket and an upper bracket fixedly connected to the lower bracket. The lower bracket includes two vertically arranged columns and a horizontally arranged top plate. The top plate straddles the two columns and is arranged along the length direction of the frame 600, so that the lower bracket is integrally in a "C"-shaped frame structure and the opening of the "C"-shaped structure faces the ground. The top plate of the lower bracket abuts against and seals the axial opening at the bottom of the box body 300; the upper bracket is arranged on the top plate of the lower bracket. The upper bracket is in a cuboid structure and is arranged along the length direction of the frame 600. Roller tracks 622 are correspondingly arranged on both side surfaces of the upper bracket. The roller tracks 622 extend along the axial direction of the box body 300. Two groups of rollers 623 matching the roller tracks 622 are arranged in the two roller tracks 622. The support frame 700 can be slidably connected to the upper bracket through the roller tracks 622 and the rollers 623, so that the support frame 700 is slidably connected to the fixing bracket 620.

[0051] The support frame 700 includes a third support 710, a support member 720, and a positioning member 730. The third support 710 includes a top plate and two side plates perpendicularly connected to the top plate. The two side plates are parallel to each other and there is a gap between the two side plates, making the overall shape of the third support 710 a "C"-shaped frame structure with the opening of the "C"-shaped structure facing the ground. The shape and size of the interior of the frame structure formed by the top plate and the two side plates of the third support 710 match the upper support of the slide rail base 621, enabling the third support 710 to be slidably sleeved on the upper support of the slide rail base 621. The third support 710 further includes a groove 711 that matches the shape of the roller 623. The groove 711 and the roller 623 cooperate with each other to move the support frame 710 along the length direction of the machine frame 600. Specifically, grooves 711 that match the shape of the roller 623 are respectively provided on the inner walls of the two side plates of the third support 710. That is, the groove 711 serves as the track for the roller 623 to roll, enabling the third support 710 to be slidably connected to the fixed support 620, so that the support frame 700 and the mandrel 11 placed on the support frame 700 can move along the fixed support 620. The specific structures of the support member 720 and the positioning member 730 and their connection methods with the third support 710 are the same as those of the support member 230 and the positioning member 220 described above, and will not be elaborated here. When moving the mandrel 11 through the support frame 700, a power source such as a driving motor can be used to drive the roller 623 to rotate so that it rolls in the groove 711, thereby driving the support frame 700 and the mandrel 11 provided on the support member 720 to move in the length direction of the fixed support 620. After the target processing part of the mandrel 11 completely enters the box body 300, the brake mechanism is used to control the support frame 700 to stop moving, so that the target processing part on the mandrel 11 stays at the target position in the box body 300 and waits for subsequent heating treatment. In this application, two sets of rollers 623 are fixedly arranged in the roller track 622. The third support 710 is sleeved on the fixed support 620 and the bottom surface of the groove 711 provided on the inner side wall of the third support 710 contacts the roller 623. The roller 623 rolls in the groove 711, and the frictional force generated at the contact between the roller 623 and the groove 711 is used to drive the third support 710 to slide along the length direction of the fixed support 620. In other embodiments, the roller, the roller track, and the groove can also be replaced by other transmission structures such as a transmission chain, as long as the movement of the third support 710 on the fixed support 620 can be achieved.

[0052] The effective effect of this application is that the oven of this application includes a machine frame, a support frame, and a box body. By precisely controlling the movement of the product to be processed through the support frame, it can penetrate into the box body and stay at the target position, facilitating the box body to perform heat treatment on the target processing part of the product to be processed, thereby realizing an efficient segmented heating function, with simple operation and high efficiency. Moreover, the opening of the box body is flexibly sealed by a sealing piece, which can seal the box body while not affecting the penetration of the product to be processed into and out of the box body, reducing heat loss and improving heating efficiency.

[0053] Meanwhile, in this application, the axial opening at the bottom of the box body is sealed by a baffle and a windproof wool strip, or a fixed bracket that can directly seal the axial opening of the box body is arranged at the bottom of the oven, which can reduce the heat loss in the box body and improve the heating efficiency.

[0054] In addition, in this application, several heating tubes are evenly arranged in the box body, and a fan is arranged at the top of the box body. During heating, the hot air in the box body can be evenly distributed, effectively preventing damage to the product to be processed caused by excessive local temperature, and the heating effect is better.

[0055] The technical content and features of this application have been disclosed above. However, it can be understood that under the creative concept of this application, those skilled in the art can make various changes and improvements to the above structures and materials, including combinations of the technical features disclosed or claimed separately here, and obviously other combinations of these features. These deformations and / or combinations all fall within the technical field involved in this application and within the protection scope of the claims of this application.

Claims

1. An oven, characterized in that, The oven comprises: A frame, wherein the frame is arranged in a horizontal direction; A support frame, the support frame is movable along the length direction of the frame, and is used to place the product to be processed and control the movement of the product to be processed; The box body is a hollow structure, which is erected in the middle of the frame, and the axial direction of the box body is arranged along the length direction of the frame. A heating mechanism is arranged in the box body for heating the product to be processed; openings are arranged at both axial ends of the box body, which are a feed port and a discharge port, respectively, for the product to be processed to pass into or out of the box body; sealing sheets are fixed on the edges of the feed port and the discharge port, and the sealing sheets flexibly cover the openings.

2. The oven according to claim 1, characterized in that, The heating mechanism comprises a plurality of heating tubes and a fan. The plurality of heating tubes are evenly arranged in the box body, and the fan is arranged on the top of the box body.

3. The oven according to claim 1, characterized in that, The support frame includes a positioning member, which is a rectangular parallelepiped structure. The positioning member is arranged at the end of the support frame and is used to abut and fix the product to be processed.

4. The oven according to claim 3, characterized in that At least two support members are spaced apart on the support frame, and the support members are V-shaped structures for supporting the products to be processed.

5. The oven according to claim 4, characterized in that, The support members can move along the support frame to adjust the distance between any two adjacent support members.

6. The oven according to claim 4, characterized in that, The ends of the two branch rods of the support member are respectively sleeved with polyurethane sleeves.

7. The oven according to claim 3, characterized in that, The support frame further includes a driving motor and a brake mechanism, wherein the driving motor is used to drive the support frame to move along the length direction of the frame, and the brake mechanism is used to control the support frame to stop moving.

8. The oven according to claim 7, characterized in that, The oven also includes a control system, which includes a control cabinet, a speed sensor, and a temperature sensor. The control cabinet is arranged on one side of the box body, the temperature sensor is arranged in the box body, and the speed sensor is arranged on the support frame. The control cabinet is communicatively connected with the temperature sensor and the speed sensor.

9. The oven according to claim 1, characterized in that, The frame also includes a slide rail, and the frame is straddled in the middle of the slide rail; the support frame is slidably connected to the slide rail via rollers; and an axial opening is arranged at the bottom of the box body for the support frame to pass through.

10. The oven according to claim 9, characterized in that, The support frame also includes a baffle and a cylinder arranged below the baffle, and the cylinder drives the baffle to rise to seal the axial opening at the bottom of the box body.

11. The oven according to claim 10, characterized in that, A windshield strip is fixedly mounted on the edge of the axial opening to block the gap between the baffle and the box body after the baffle is raised.

12. The oven according to claim 1, characterized in that, The frame also includes a fixed bracket, which includes a lower bracket and an upper bracket. The top plate of the lower bracket abuts against and seals the axial opening at the bottom of the box body. The support frame is movably arranged on the upper bracket.

13. The oven according to claim 12, characterized in that, The fixed bracket also includes a roller; the support frame also includes a groove matching the shape of the roller, and the groove and the roller cooperate with each other to enable the support frame to move along the length direction of the frame.

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