Heating mechanism of shoemaking drying oven and efficient shoemaking drying oven

Abstract

The heating mechanism comprises a lifting assembly, a heating assembly and an air supply assembly, the lifting assembly comprises a driving device and a heating box in transmission connection with the driving device, and the heating assembly is arranged on the heating box and communicated with the air supply assembly. According to the utility model, the product can be selectively heated and baked from the upper part / lower part and / or the side of the product, so that the baking requirements of different positions on different products can be met, and air flow can be introduced in the baking process and passes through the heating pipe so as to uniformly blow hot air to the product, so that all parts on the product can be baked approximately in the same way, and the product quality is improved. In the lifting and baking process, the heating box is always kept parallel to the assembly line body, it can be guaranteed that the heating pipes and products on the positioning frame are always kept in the stable and consistent baking state, the baking efficiency is improved, the baking quality is guaranteed, the structure is simple, cost is low, and production, assembly and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of shoemaking baking, in particular to a heating mechanism of a shoemaking oven and a high-efficiency shoemaking oven. Background Art

[0002] Baking is one of the most important processes in shoe production. In the current fully automatic production, the production process is generally as follows: a number of positioning racks are set up on the assembly line, and an oven is set up on the periphery of a section of the assembly line. After a certain number of positioning racks enter the oven, the assembly line is paused, the movable door panel of the oven is closed, and the heating device inside it bakes the semi-finished products. After the set time, the movable door panel opens, and the positioning rack drives the baked products out of the oven and at the same time sends the next batch of semi-finished products into the oven. In this production mode, since the oven and the heating device inside are fixed, the baking position of the heating device and each semi-finished product in the oven remains unchanged. In order to ensure the baking effect, the baking time and baking temperature need to be set with the farthest position to be baked as a reference. However, this heat is excessive for the semi-finished products at the near end, which not only causes energy waste and low baking efficiency, but also causes different baking effects. However, it is difficult to improve it through simple and economical structures and devices in the fully automatic production line. On the other hand, when the size, shape or position of the semi-finished product hung on the positioning rack changes, the oven program generally needs to be adjusted, which is troublesome to operate. Utility Model Content

[0003] In response to the problems existing in the above-mentioned prior art, the utility model provides a heating mechanism and a heating method for a shoe-making oven and a high-efficiency shoe-making oven, which can selectively heat and bake the products from above / below and / or from the sides of the products, meet the baking needs of different positions on different products, and ensure that the heating tubes and the products on the positioning rack always maintain a stable and consistent baking state, thereby improving the baking efficiency and effect, ensuring the baking quality, and the overall structure is simple, the cost is low, and it is easy to produce, assemble and maintain.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is as follows:

[0005] A heating mechanism of a shoemaking oven, the shoemaking oven comprises a box body erected on the periphery of an assembly line body, the assembly line body is provided with a plurality of positioning frames for fixing semi-finished products; the heating mechanism comprises a lifting assembly, a heating assembly and an air supply assembly, the lifting assembly and the air supply assembly are both arranged on the box body, the heating assembly is arranged beside the positioning frame, wherein:

[0006] The lifting assembly includes a driving device and two bidirectional screws arranged on the box body, the two bidirectional screws are connected to the driving device through a transmission device, each section of each bidirectional screw is threaded with a sleeve, each sleeve is hinged with more than one connecting rod and at least one sleeve is hinged with two connecting rods, a plurality of connecting rods are hinged with a heating box, the heating box and the two bidirectional screws are arranged in parallel with the assembly line body; the driving device can drive the two bidirectional screws to rotate in the same direction, so as to pull the plurality of connecting rods through the plurality of sleeves to drive the heating box to approach or move away from the assembly line body in parallel;

[0007] The heating assembly includes a plurality of first heating tubes and at least one second heating tube, wherein the plurality of first heating tubes are arranged in parallel with the assembly line body and arranged side by side at the end of the heating box close to the assembly line body, and the plurality of second heating tubes are arranged on the inner wall of the side wall of the box body and beside the plurality of positioning frames;

[0008] The air supply assembly includes a fan and a first air duct arranged on the box body, the fan is connected to the first air duct, the first air duct is connected to the second air duct and is slidably connected thereto, and the second air duct extends to the side wall of the heating box.

[0009] As a further elaboration of the above technical solution:

[0010] In the above technical solution, the driving device is a circular motion driving device, and the transmission device includes a first synchronous wheel, a second synchronous wheel, a third synchronous wheel and two synchronous parts. The first synchronous wheel, the second synchronous wheel and the third synchronous wheel are respectively arranged on a gear shaft and mounted on the box body. The first synchronous wheel is transmission-connected to the driving device, the second synchronous wheel and the third synchronous wheel are respectively arranged at one end of the bidirectional screw and transmission-connected thereto, and a synchronous part is respectively arranged between the first synchronous wheel and the second synchronous wheel and between the second synchronous wheel and the third synchronous wheel.

[0011] In the above technical solution, the first synchronous wheel, the second synchronous wheel and the third synchronous wheel are all pulleys or sprockets, and the synchronous member is a synchronous belt or synchronous chain matching therewith.

[0012] In the above technical solution, an air filter is also provided in the heating box, the air inlet end of the air filter is connected to the second air duct, and an air uniforming plate is provided on the side of the air outlet end. A number of through holes are evenly arrayed on the air uniforming plate, and the air uniforming plate is detachably fixed between a number of the air filters and a number of the first heating tubes.

[0013] In the above technical solution, the air filter includes a plurality of V-shaped filter papers arranged side by side on the inner wall of the heating box, each of the V-shaped filter papers is provided with a hole groove on the side, and the plurality of hole grooves are arranged on one side wall of the heating box and are connected to the second air duct.

[0014] Another technical solution adopted by the utility model is as follows:

[0015] A high-efficiency shoe-making oven is provided with the heating mechanism described in the first technical solution.

[0016] As a further elaboration of the above technical solution:

[0017] In the above technical solution, a plurality of heat-insulating components are also provided on the wall of the box body.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a heating component and an air supply component in the shoemaking oven, the product can be heated and baked from the top / bottom and / or side of the product to meet the baking needs of products of different shapes and sizes and at different positions, and the air flow can be introduced during the baking process and passed through the heating tube to blow the hot air evenly onto the product, so that all parts of the product can receive roughly the same baking, thereby improving the baking efficiency and effect; by arranging a lifting component and arranging more than three connecting rods on each bidirectional screw thereon, the heating box is always kept parallel to the assembly line body during the lifting and baking processes, which can ensure that the heating tube and the product on the positioning rack are always kept in a stable and consistent baking state, thereby ensuring the baking quality, and the overall structure is simple, the cost is low, and it is easy to produce, assemble and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of this embodiment;

[0020] Figure 2 is a schematic diagram of the structure of the lifting assembly in this embodiment;

[0021] Figure 3 This is a schematic diagram of a bidirectional screw connection structure in another embodiment of the utility model;

[0022] Figure 4 : is a schematic diagram of the structure of the air supply assembly and the air filter in this embodiment (only part of the box structure is shown);

[0023] Figure 5 Schematic diagram of the structure of the heating assembly in this embodiment (the wind uniformity plate is not shown);

[0024] Figure 6 It is a circuit structure diagram of the heating mechanism in the utility model.

[0025] In the figure: 100, assembly line body; 200, box body; 300, positioning frame; 10, lifting assembly; 11, driving device; 12, bidirectional screw; 13, sleeve; 14, connecting rod; 15, first synchronous wheel; 16, second synchronous wheel; 17, third synchronous wheel; 18, synchronous member; 19, distance sensor; 20, heating assembly; 21, first heating tube; 22, second heating tube; 30, air supply assembly; 31, fan; 32, first air duct; 33, second air duct; 40, heating box; 50, air filter; 51, V-shaped filter paper; 52, hole slot; 53, air uniformity plate; 60, insulation member. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "several" and "multiple" mean two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] like Figure 1 As shown, the heating mechanism of the shoe-making oven comprises a box body 200 erected on the periphery of the assembly line body 100, and a plurality of positioning frames 300 for fixing semi-finished products are arranged on the assembly line body 100; the heating mechanism comprises a lifting assembly 10, a heating assembly 20 and an air supply assembly 30, the lifting assembly 10 and the air supply assembly 30 are both arranged on the box body 200, and the heating assembly 20 is arranged next to the positioning frame 300.

[0029] Figure 2The structure of the lifting assembly 10 in this embodiment is shown, the driving device 11 drives the first synchronous wheel 15 to rotate, and the second synchronous wheel 16 is driven to rotate through the synchronous member 18, the second synchronous wheel 16 drives a bidirectional screw 12 to rotate synchronously and drives the third synchronous wheel 17 to rotate through another synchronous member 18, the third synchronous wheel 17 drives another bidirectional screw 12 to rotate synchronously, and the two bidirectional screws 12 maintain the same rotation speed and direction; when each bidirectional screw 12 rotates, the two screw sections thereon synchronously drive the two sleeves 13 thereon to translate toward or away from each other, and one end of the heating box 40 is pulled up or down through the hinged pull rod 14, and the two synchronous bidirectional screws 12 cooperate to pull the two ends of the heating box 40 to move up or down synchronously.

[0030] In this embodiment, the driving device 11 is a circular motion driving device, and the transmission device includes a first synchronous wheel 15, a second synchronous wheel 16, a third synchronous wheel 17 and two synchronous parts 18. The first synchronous wheel 15, the second synchronous wheel 16 and the third synchronous wheel 17 are respectively arranged on a gear shaft and mounted on the box body 200. The first synchronous wheel 15, the second synchronous wheel 16 and the third synchronous wheel 17 are all pulleys or sprockets, and the synchronous part 18 is a synchronous belt or synchronous chain matching therewith; in addition, a distance sensor 19 is also provided on the side of the synchronous belt 18 between the second synchronous wheel 16 and the third synchronous wheel 17 on the box body 200, which can sense the distance of the synchronous belt 18 and be electrically connected to the driving device 11, so as to avoid the excessive translation distance of the sleeve 13 caused by the excessive rotation angle of the two bidirectional screws 12 and then damage the heating box 40.

[0031] It should be noted that, among the lifting mechanisms currently on the market that use bidirectional screws as positioning supports, most of them have a structure in which a pull rod is hinged on the sleeve of each section of the screw, and then the lifting platform is hinged on the other end of the two pull rods. In practical applications, this structure mostly has the problem of the lifting platform being tilted during the lifting process. The main reason is: in order to enable the bidirectional screw to keep the two sections of the screw on it rotating synchronously in real time and drive the sleeve on it to translate in real time during the rotation process, in addition to requiring the bidirectional screw to have high precision, it also requires precise and stable transmission and a dry and clean application environment, and its use cost and application cost are relatively high; in some improved designs, some hinge the middle part of the two pull rods and hinge the two ends to the lifting platform and the sleeve respectively. Although the problem of the lifting platform tilting can be roughly solved, the space occupied by the entire lifting mechanism is increased, or the lifting distance of the lifting platform is limited; but the utility model is used in a shoemaking oven. In order to reduce energy consumption, the structure of the oven is designed to be relatively compact, and the improved structure cannot be used.

[0032] Therefore, the utility model further improves it, such as Figure 2-3As shown, more than three connecting rods 14 are used on each bidirectional screw 12, that is, at least one sleeve 13 is hinged with two connecting rods 14. Compared with the conventional two-rod structure, three or four connecting rods 14 jointly pull or support one end of the heating box 40 to form a positioning surface, thereby preventing the heating box 40 from tilting in the axial direction of the bidirectional screw 12, and the cooperation of the two synchronized bidirectional screws 12 can prevent the heating box 40 from tilting in the radial direction of the bidirectional screw 12, so that the heating box 40 always remains in the initial state (parallel to the assembly line body 100) and moves away from or close to the assembly line body 100, ensuring that before and after the position of the heating box 40 is adjusted and during the entire heating and baking process, the heating box 40 as a whole always maintains a set distance from the semi-finished products on the positioning racks 300 to ensure the baking effect. Figure 2 and Figure 3 The connection structures of the bidirectional screw 12 in two embodiments of the utility model are shown respectively. In one embodiment, two connecting rods 14 are connected to each sleeve 13 on the bidirectional screw 12, and in another embodiment, one sleeve 13 is connected to one connecting rod 14, and the other sleeve 13 is connected to two connecting rods 14. It has been verified by actual use that three or four connecting rods 14 have a better cost performance ratio, and can stably pull the heating box 40 without skewing during the height adjustment process.

[0033] The bidirectional screw belongs to the prior art, and its specific structure and working process are not described in detail here.

[0034] like Figure 4 As shown, the air supply assembly 30 includes a fan 31 and a first air duct 32 provided on the box body 200, the fan 31 is connected to the first air duct 32, the first air duct 32 is connected to the second air duct 33 and is slidably connected thereto, and the second air duct 33 extends to the side wall of the heating box 40. In order to prevent water vapor or particles in the air from entering the box body through the air supply assembly 30 and wearing out the semi-finished product, the inner wall of the box body 200 and the internal structural parts, an air filter 50 is also provided in the heating box 40, the air inlet end of the air filter 50 is connected to the second air duct 33, and a uniform air plate 53 is provided on the side of the air outlet end, and a plurality of through holes are evenly arrayed on the uniform air plate 53, and the uniform air plate 53 is detachably fixed between the air filter 50 and a plurality of first heating tubes 22. In this embodiment, the air filter 50 includes a plurality of V-shaped filter papers 51 arranged side by side on the inner wall of the heating box 40, and a hole groove 52 is provided on the side of each V-shaped filter paper 51. The plurality of hole grooves 52 are arranged on a side wall of the heating box 40 and are connected to the second air duct 33.

[0035] like Figure 5As shown, the heating assembly 20 includes a plurality of first heating tubes 21 and one or more second heating tubes 22. The plurality of first heating tubes 21 are arranged parallel to the assembly line body 100 and arranged side by side at the end of the heating box 40 close to the assembly line body 100. The plurality of second heating tubes 22 are arranged on the inner wall of the side wall of the box body 200 and beside a plurality of positioning frames 300.

[0036] The utility model arranges a lifting component 10, a heating component 20 and an air supply component 30 in the shoe-making oven, and can selectively heat and bake the product from above / below and / or from the side of the product to meet the needs of products of different shapes and sizes and different baking positions. Airflow can also be introduced during the baking process and passed through the heating tube to blow hot air evenly onto the product, so that all parts of the product can receive roughly the same baking, thereby improving the baking efficiency and effect.

[0037] like Figure 6 As shown, in this embodiment, the first circuit, the second circuit and the third circuit are connected in parallel, and the two ends thereof are respectively connected to the power circuit. In application, the first heating tube 21, the second heating tube 22 and the fan 31 can be reasonably selected to be turned on according to the shape and size of the semi-finished product placed on the positioning frame 300 and the characteristics of the position to be baked, and the first heating tube 21 on the heating box 40 is moved to a suitable position away from the semi-finished product through the lifting assembly 10.

[0038] like Figure 1 , 4 As shown, the utility model also discloses a high-efficiency shoe-making oven, in which the heating mechanism in the above embodiment is arranged. In order to further reduce energy loss, a plurality of heat-insulating parts 60 are arranged on the wall of the box body 200 in this embodiment.

[0039] The above does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A heating mechanism of a shoe-making oven, the shoe-making oven comprising a box body erected on the periphery of an assembly line body, the assembly line body being provided with a plurality of positioning frames for fixing semi-finished products; characterized in that: The heating mechanism comprises a lifting assembly, a heating assembly and an air supply assembly, wherein the lifting assembly and the air supply assembly are both arranged on the box body, and the heating assembly is arranged beside the positioning frame, wherein: The lifting assembly includes a driving device and two bidirectional screws arranged on the box body, the two bidirectional screws are connected to the driving device through a transmission device, each section of each bidirectional screw is threaded with a sleeve, each sleeve is hinged with more than one connecting rod and at least one sleeve is hinged with two connecting rods, a plurality of connecting rods are hinged with a heating box, the heating box and the two bidirectional screws are arranged in parallel with the assembly line body; the driving device can drive the two bidirectional screws to rotate in the same direction, so as to pull the plurality of connecting rods through the plurality of sleeves to drive the heating box to approach or move away from the assembly line body in parallel; The heating assembly includes a plurality of first heating tubes and at least one second heating tube, wherein the plurality of first heating tubes are arranged in parallel with the assembly line body and arranged side by side at the end of the heating box close to the assembly line body, and the plurality of second heating tubes are arranged on the inner wall of the side wall of the box body and beside the plurality of positioning frames; The air supply assembly includes a fan and a first air duct arranged on the box body, the fan is connected to the first air duct, the first air duct is connected to the second air duct and is slidably connected thereto, and the second air duct extends to the side wall of the heating box.

2. The heating mechanism of the shoemaking oven according to claim 1, characterized in that: The driving device is a circular motion driving device, and the transmission device includes a first synchronous wheel, a second synchronous wheel, a third synchronous wheel and two synchronous parts. The first synchronous wheel, the second synchronous wheel and the third synchronous wheel are respectively arranged on a gear shaft and mounted on the box body. The first synchronous wheel is transmission-connected with the driving device, the second synchronous wheel and the third synchronous wheel are respectively arranged at one end of the bidirectional screw and transmission-connected thereto, and a synchronous part is respectively arranged between the first synchronous wheel and the second synchronous wheel and between the second synchronous wheel and the third synchronous wheel.

3. The heating mechanism of the shoemaking oven according to claim 2, characterized in that: The first synchronous wheel, the second synchronous wheel and the third synchronous wheel are all pulleys or sprockets, and the synchronous member is a synchronous belt or a synchronous chain.

4. The heating mechanism of the shoemaking oven according to claim 1, characterized in that: An air filter is also provided in the heating box, the air inlet end of the air filter is connected to the second air duct, and an air uniforming plate is provided on the side of the air outlet end. A number of through holes are evenly arrayed on the air uniforming plate, and the air uniforming plate is detachably fixed between a number of the air filters and a number of the first heating tubes.

5. The heating mechanism of the shoemaking oven according to claim 4, characterized in that: The air filter includes a plurality of V-shaped filter papers arranged side by side on the inner wall of the heating box, each of the V-shaped filter papers is provided with a hole groove on the side, and the plurality of hole grooves are arranged on a side wall of the heating box and are connected to the second air duct.

6. An efficient shoe-making oven, characterized in that: The shoe-making oven is provided with a heating mechanism as described in any one of claims 1-5.

7. A high-efficiency shoe-making oven according to claim 6, characterized in that: A plurality of heat-insulating components are also arranged on the wall of the box body.

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