Oven outside transfer device for multi-layer oven

By introducing heating components into the external transfer device of the multi-layer oven, the problem of product temperature fluctuation was solved, and the stability of product temperature and the improvement of product quality were achieved.

CN224241891UActive Publication Date: 2026-05-15GUANGDONG CHUANYAN COATING EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG CHUANYAN COATING EQUIP CO LTD
Filing Date
2025-05-27
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

During the external transfer process in a multi-layer oven, the product temperature fluctuates significantly, resulting in poor product quality, especially for products with cured paint after application.

Method used

Design an external transfer device, including a support frame, a lifting assembly, a conveyor belt, and a heating assembly. The heating assembly continuously heats the product to avoid temperature fluctuations.

Benefits of technology

By designing the heating components, the product temperature is kept stable, temperature fluctuations are avoided, and product quality consistency is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an out-of-oven transfer device for a multi-layer oven, which relates to the technical field of oven equipment and comprises a support, an up-down lifting component is arranged on the support, a mounting frame is connected to the lifting end of the up-down lifting component, a bearing seat is arranged on the mounting frame, and a transmission component is arranged on the bearing seat. The transmission assembly comprises a first conveying belt and a second conveying belt which are arranged on the left side and the right side of the bearing base correspondingly, and the first conveying belt and the second conveying belt convey borne products front and back. The device further comprises a heating assembly arranged on the bearing base, the heating assembly is used for providing heat for products which are borne and conveyed by the first conveying belt and the second conveying belt at the same time and located above the bearing base, so that when the products are transferred between the upper oven and the lower oven through the out-of-oven transfer device, the products can be continuously heated through the heating assembly; and the condition of large temperature difference fluctuation is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of oven equipment technology, and in particular to an external transfer device for multi-layer ovens. Background Technology

[0002] In current multi-layer ovens, after products flow from one layer of the oven to the outside via a conveyor belt, a vertical transport device is needed to transfer the products from that layer to the entrance of another layer of oven so that they can continue to be transported and baked on that other layer via the same conveyor belt. For example, the Chinese utility model patent CN216004311U, entitled "A Space-Saving Transport Device and Oven Using the Same," utilizes a horizontal moving mechanism that can move products horizontally and a product changing mechanism that can move products vertically to achieve external transfer of products between different layers of ovens.

[0003] During transportation, the lack of continuous external heat for insulation and the accelerated contact with air during transport can cause a certain degree of temperature drop in the product, resulting in significant temperature fluctuations. If the product needs to be shipped multiple times, multiple significant temperature fluctuations will occur. For certain types of products, such as those where the paint is cured in a multi-layer oven after application, this can easily lead to poor paint quality. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution to address the aforementioned problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an external transfer device for a multi-layer oven, comprising a support frame, an upper and lower lifting assembly mounted on the support frame, a mounting frame connected to the lifting end of the upper and lower lifting assembly, a support seat mounted on the mounting frame, and a transmission assembly mounted on the support seat.

[0006] The transmission assembly includes a first conveyor belt and a second conveyor belt respectively disposed on the left side and the right side of the support, and both the first and second conveyor belts are configured to transport the carried products back and forth.

[0007] It also includes a heating component mounted on the support, which provides heat to the product located above the support while being simultaneously carried and conveyed by the first and second conveyor belts.

[0008] As a further embodiment of this utility model: a first connecting seat is connected to the support, the first connecting seat extends upward, and a second connecting seat located above the support is connected to the upper end of the first connecting seat;

[0009] An air chamber is formed inside the support. The first part of the air chamber extends to the top side of the support to form an air inlet. The second part of the air chamber passes through the first connecting seat and extends into the second connecting seat, and forms an air outlet on the bottom side of the second connecting seat.

[0010] The heating assembly includes a fan and an electric heating element disposed in the air chamber. The fan's fan direction is configured to create negative pressure air intake at the air inlet and downward air outlet at the air outlet. The electric heating element is configured to heat the gas passing through the air chamber.

[0011] As a further embodiment of this utility model: the electric heating element includes a heating tube.

[0012] As a further embodiment of this utility model: the electric heating element is located below the air inlet and corresponds to the air inlet.

[0013] As a further embodiment of this utility model: the product is moved from front to back onto the first conveyor belt and the second conveyor belt, and the first connecting seat is connected to the rear end of the support seat to form a blocking and limiting structure for the product.

[0014] As a further embodiment of the present invention: the lifting assembly includes a vertical sliding guide rail disposed on the bracket, and a vertical sliding seat is slidably disposed on the vertical sliding guide rail;

[0015] The lifting assembly also includes a first drive motor and a chain gear assembly. The first and second gears of the chain gear assembly are vertically arranged and rotatably mounted on the bracket. The first drive motor drives one of the gears to rotate.

[0016] The chain of the chain gear assembly is discontinuously arranged with a break to form a chain head and a chain tail. The chain head is connected to the upper and lower slide seats, and the chain tail is connected to the upper and lower slide seats after passing through the first gear and the second gear in sequence, thus forming the meshing of the chain with the first gear and the second gear.

[0017] As a further embodiment of the present invention: the first conveyor belt includes a second drive motor and a plurality of support rollers arranged at intervals in front and behind, and the second drive motor drives one of the edge support rollers to rotate;

[0018] The first conveyor belt also includes an annular connecting belt that surrounds and tensions multiple support rollers, and the annular connecting belt forms an upper belt section for carrying products.

[0019] As a further embodiment of this utility model: a front-to-back moving component is provided on the mounting bracket, and a support is provided on the moving end of the front-to-back moving component.

[0020] As a further embodiment of this utility model: the front and rear moving component includes front and rear guide rails mounted on the mounting frame, front and rear slide blocks are slidably mounted on the front and rear guide rails, and a support seat is connected to the front and rear slide blocks;

[0021] The forward and backward movement assembly also includes a drive cylinder mounted on a mounting bracket, which drives the front and rear slides to move forward and backward.

[0022] Compared with the prior art, the beneficial effect of this technical solution is that the heating component is used to provide heat to the product located above the support seat while being simultaneously carried and conveyed by the first conveyor belt and the second conveyor belt, so that when the product is transferred between the upper and lower ovens through this external transfer device, it can be continuously heated by the heating component to avoid large temperature fluctuations.

[0023] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional structural view of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of the forward and backward moving component in this utility model;

[0027] Figure 3 This is a cross-sectional view of the support base in this utility model.

[0028] The corresponding labels in the attached diagram are explained as follows:

[0029] Bracket-1,

[0030] Lifting / lowering assembly - 2, sliding guide rail - 201, sliding base - 202, first drive motor - 203, first gear - 204, second gear - 205, chain - 206

[0031] Mounting bracket-3,

[0032] Support seat-4,

[0033] First conveyor belt-5, support roller-501, edge support roller-502, annular connecting belt-503, upper belt section-5031.

[0034] Second conveyor belt - 6,

[0035] Heating component-7, fan-701, electric heating element-702,

[0036] Front and rear moving assembly - 8, front and rear guide rails - 801, front and rear slide blocks - 802, drive cylinder - 803

[0037] First connecting seat-9,

[0038] Second connector-10,

[0039] Air intake -11,

[0040] Air outlet -12,

[0041] Air chamber-13. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0043] Please see Figure 1-3 An external transfer device for a multi-layer oven includes a support 1, a lifting assembly 2 is provided on the support 1, a mounting frame 3 is connected to the lifting end of the lifting assembly 2, a support seat 4 is provided on the mounting frame 3, and a transmission assembly is provided on the support seat 4.

[0044] The transmission assembly includes a first conveyor belt 5 and a second conveyor belt 6 respectively disposed on the left side and the right side of the support 4. Both the first conveyor belt 5 and the second conveyor belt 6 are configured to transport the carried products back and forth.

[0045] The external transfer device also includes a heating component 7 installed on the support 4. The heating component 7 is used to provide heat to the product located above the support 4 while being simultaneously carried and transferred by the first conveyor belt 5 and the second conveyor belt 6. When the product is transferred between the upper and lower ovens through this external transfer device, it can be continuously heated by the heating component 7 to avoid large temperature fluctuations.

[0046] In some embodiments, the lifting assembly 2 includes a vertical sliding guide rail 201 disposed on the bracket 1, and a vertical sliding seat 202 is slidably disposed on the vertical sliding guide rail 201.

[0047] The lifting assembly 2 also includes a first drive motor 203 and a chain gear assembly. The first gear 204 and the second gear 205 of the chain gear assembly are arranged vertically and rotatably on the bracket 1. The first drive motor 203 drives one of the gears (such as the first gear) to rotate. The chain 206 of the chain gear assembly is discontinuously arranged with a break to form a chain head and a chain tail. The chain head is connected to the upper and lower sliding seats 202. The chain tail passes through the first gear 204 and the second gear 205 in sequence and is connected to the upper and lower sliding seats 202, thus forming a meshing between the chain 206 and the first gear 204 and the second gear 205. When the first drive motor 203 is driven, it drives the upper and lower sliding seats 202 to slide up and down.

[0048] The upper and lower sliding base 202 corresponds to the lifting end that constitutes the above-mentioned upper and lower lifting assembly.

[0049] In some embodiments, the mounting bracket 3 is provided with a front-to-back moving component 8, and the support 4 is provided on the moving end of the front-to-back moving component 8.

[0050] In some embodiments, the front and rear moving assembly 8 includes a front and rear guide rail 801 disposed on the mounting bracket 3, a front and rear slide block 802 slidably disposed on the front and rear guide rail 801, and a support seat 4 connected to the front and rear slide block 802.

[0051] The forward and backward moving assembly 8 also includes a drive cylinder 803 mounted on the mounting bracket 3, which drives the front and rear slide blocks 802 to move forward and backward.

[0052] The front and rear slides 802 correspond to the moving ends of the aforementioned front and rear moving components.

[0053] In some embodiments, the first conveyor belt 5 includes a second drive motor and a plurality of support rollers 501 spaced apart front and rear, wherein the second drive motor drives one of the edge support rollers 502 to rotate.

[0054] The first conveyor belt 5 also includes an annular connecting belt 503, which surrounds and tensions a plurality of support rollers 501, and the annular connecting belt 503 has an upper belt portion 5031 for carrying products.

[0055] When the second drive motor drives the support roller to rotate, it drives the annular connecting belt 503, thereby enabling the annular connecting belt 503 to move the product it carries back and forth.

[0056] like Figure 2 As shown, the upper band 5031 is higher than the top surface of the support.

[0057] The structure of the second conveyor belt is similar to that of the first conveyor belt. It can be understood that the second conveyor belt and the first conveyor belt are symmetrically arranged on the left and right sides of the support.

[0058] In some embodiments, the second drive motor is mounted on a support, and the axial direction of the rotation output shaft of the second drive motor is left-right.

[0059] In some embodiments, a first connecting seat 9 is connected to the support 4, the first connecting seat 9 extends upward, and the upper end of the first connecting seat 9 is connected to a second connecting seat 10 located above the support 4.

[0060] An air chamber 13 is formed inside the support 4. The first part of the air chamber 13 extends to the top side of the support 4 to form an air inlet 11. The second part of the air chamber 13 extends from the first connecting seat 9 into the second connecting seat 10 and forms an air outlet 12 on the bottom side of the second connecting seat 10.

[0061] The heating assembly 7 includes a fan 701 and an electric heating element 702 disposed in the air chamber 13. The fan 701 is configured to form a negative pressure air intake at the air inlet 11 and a downward air outlet at the air outlet 12. The electric heating element 702 is configured to heat the gas passing through the air chamber 13.

[0062] In some embodiments, the electric heating element 702 includes a heating tube.

[0063] In some embodiments, the electric heating element 702 is located below the air inlet 11 and corresponds to the air inlet 11, that is, there is no structural component obstructing the electric heating element 702 and the air inlet 11.

[0064] On the one hand, the design of the heating component 7 and the air chamber 13 enables heating of the product located above the support 4 from both the top and bottom. That is, the lower part of the product can be directly heated by the electric heating element 702, and the upper part of the product can be heated by hot air, making the heating more comprehensive. On the other hand, the upper part of the product is subjected to the downward pressure of the hot air at the air outlet 12 and the negative pressure of the gas at the air inlet 11, which allows the product to obtain additional pressure on the upper belt part 5031 of the annular connecting belt, thereby making the friction and anti-slip effect between the product and the upper belt part 5031 better.

[0065] In some embodiments, the product moves from front to back onto the first conveyor belt and the second conveyor belt, and the first connecting seat 9 is connected to the rear end of the support seat 4 to form a blocking and limiting structure for the product.

[0066] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An external transfer device for a multi-layer oven, characterized in that, It includes a bracket, on which a lifting assembly is installed, a mounting frame is connected to the lifting end of the lifting assembly, a support seat is installed on the mounting frame, and a transmission assembly is installed on the support seat. The transmission assembly includes a first conveyor belt and a second conveyor belt respectively disposed on the left side and the right side of the support, and both the first and second conveyor belts are configured to transport the carried products back and forth. It also includes a heating component mounted on the support, which provides heat to the product located above the support while being simultaneously carried and conveyed by the first and second conveyor belts.

2. The external transfer device according to claim 1, characterized in that, A first connecting seat is connected to the support, the first connecting seat extends upward, and a second connecting seat located above the support is connected to the upper end of the first connecting seat; An air chamber is formed inside the support. The first part of the air chamber extends to the top side of the support to form an air inlet. The second part of the air chamber passes through the first connecting seat and extends into the second connecting seat, and forms an air outlet on the bottom side of the second connecting seat. The heating assembly includes a fan and an electric heating element disposed in the air chamber. The fan's fan direction is configured to create negative pressure air intake at the air inlet and downward air outlet at the air outlet. The electric heating element is configured to heat the gas passing through the air chamber.

3. The external transfer device according to claim 2, characterized in that, Electric heating elements include heating elements.

4. The external transfer device according to claim 2 or 3, characterized in that, The electric heating element is located below the air inlet and corresponds to the air inlet.

5. The external transfer device according to claim 2, characterized in that, The product is moved from front to back onto the first and second conveyor belts, with the first connecting seat connected to the rear end of the support seat to form a blocking and limiting structure for the product.

6. The external transfer device according to claim 1, 2, 3, or 5, characterized in that, The lifting assembly includes upper and lower sliding guide rails mounted on a bracket, and upper and lower sliding bases are slidably mounted on the upper and lower sliding guide rails. The lifting assembly also includes a first drive motor and a chain gear assembly. The first and second gears of the chain gear assembly are vertically arranged and rotatably mounted on the bracket. The first drive motor drives one of the gears to rotate. The chain of the chain gear assembly is discontinuously arranged with a break to form a chain head and a chain tail. The chain head is connected to the upper and lower slide seats, and the chain tail is connected to the upper and lower slide seats after passing through the first gear and the second gear in sequence, thus forming the meshing of the chain with the first gear and the second gear.

7. The external transfer device according to claim 1, 2, 3, or 5, characterized in that, The first conveyor belt includes a second drive motor and a plurality of support rollers spaced at intervals in front and behind. The second drive motor drives one of the edge support rollers to rotate. The first conveyor belt also includes an annular connecting belt that surrounds and tensions multiple support rollers, and the annular connecting belt forms an upper belt section for carrying products.

8. The external transfer device according to claim 1, 2, 3, or 5, characterized in that, The mounting bracket is equipped with a front-to-back moving assembly, and the support is located on the moving end of the front-to-back moving assembly.

9. The external transfer device according to claim 8, characterized in that, The forward and backward moving assembly includes a front and rear guide rails mounted on a mounting bracket, a front and rear slide blocks slidably mounted on the front and rear guide rails, and a support seat connected to the front and rear slide blocks; The forward and backward movement assembly also includes a drive cylinder mounted on a mounting bracket, which drives the front and rear slides to move forward and backward.