Hot air circulating oven

Abstract

The utility model belongs to the technical field of drying ovens, and particularly relates to a hot air circulating drying oven, which comprises a hot air circulating drying oven body and a drying trolley, and is characterized in that two inner cavities are arranged in the hot air circulating drying oven body, a plurality of rollers are arranged at the bottoms of the inner cavities, and the rollers are arranged in four rows at equal intervals; the rollers do not make contact with one another, and a plurality of connecting bases are arranged at the bottom of the drying trolley. Through the supporting rods, the inclined plates, the movable plates and the rolling wheels, the drying trolley is kept in a stable state when entering the inner cavity, so that the influence of the bottom height of the hot air circulation drying oven body on the drying trolley is reduced; according to the hot air circulating oven, the conditions that materials fall and are damaged and are not uniformly distributed and the drying effect is not ideal due to inclination and jolting when the drying trolley enters the hot air circulating oven body are avoided, meanwhile, the supporting rods can be limited through the movable plates when the drying trolley does not enter the inner cavity, and the condition that the rotation of the supporting rods influences the movement of the drying trolley is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of ovens, and in particular relates to a hot air circulation oven. Background Art

[0002] The hot air circulation oven is a drying equipment widely used in industrial production. The hot air circulation oven heats the air and circulates the hot air in the oven to dry the material. When drying, the material needs to be spread flat on a pallet, and then the pallet is placed on a drying cart. By pushing the cart into the oven, the material can enter the oven for drying. Since the bottom of most ovens has a certain height, especially the movable oven, the bottom height of the oven is higher. When pushing the drying cart into the oven, an inclined pad needs to be placed between the oven and the ground. The pad allows the drying cart to be pushed upward into the oven. However, since the pad is in an inclined state, the drying cart may tilt or bump during the process of entering the oven, which may easily cause the material to fall and be damaged or the material distribution to be uneven, resulting in unsatisfactory drying effect. Utility Model Content

[0003] The utility model provides a hot air circulation oven, which has the characteristics of maintaining a stable state of a drying cart when entering an inner cavity through support rods, inclined plates, movable plates and rollers, thereby preventing the drying cart from falling and being damaged due to tilting and bumping when entering the hot air circulation oven body, and preventing uneven distribution of materials and unsatisfactory drying effect.

[0004] The utility model provides the following technical solution: it includes a hot air circulation oven body and a drying cart, characterized in that: two inner cavities are provided inside the hot air circulation oven body, a plurality of rollers are provided at the bottom of the inner cavity, the plurality of rollers are arranged in four rows at equal intervals, and the plurality of rollers do not contact each other, the bottom of the drying cart is provided with a plurality of connecting seats, the bottom of the connecting seat is rotatably connected to a support rod, the bottom of the support rod is provided with a moving wheel, the top side of the support rod is provided with an inclined plate, the bottom of the drying cart is provided with a movable plate, one side of the movable plate is provided with an arc plate, the movable plate is provided with a plurality of give grooves, the connecting seat and the support rod are located on the inner side of the give groove, the top of the movable plate is provided with a plurality of connecting rods, and a plurality of connecting plates are provided on both sides of the bottom of the drying cart, the connecting rod is slidably connected to the connecting plate, and the connecting rod and the connecting plate are connected by a spring.

[0005] Wherein, a plurality of fixing seats are provided at the bottom of the inner cavity, and the fixing seats are opposed to each other in pairs.

[0006] Wherein, the roller is rotatably connected to one side of the fixing seat, and the two rollers are located between the two fixing seats.

[0007] Wherein, a through slot is provided on the connecting plate, and the connecting rod is slidably connected to the inner side of the through slot.

[0008] Wherein, a connecting block is provided on the top of the connecting rod, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the top of the connecting plate.

[0009] Wherein, the spring is located on the outside of the connecting rod, and the connecting block is located above the connecting plate.

[0010] Wherein, the distance between the bottom of the drying cart and the top of the roller matches the thickness of the movable plate.

[0011] The beneficial effects of the present invention are as follows: the support rods, inclined plates, movable plates and rollers enable the drying trolley to maintain a stable state when entering the inner cavity, thereby reducing the influence of the bottom height of the hot air circulation oven body on the drying trolley, avoiding the situation where the drying trolley is tilted and bumped when entering the hot air circulation oven body, resulting in material falling and damage, uneven material distribution and unsatisfactory drying effect. At the same time, the movable plates can limit the support rods when the drying trolley has not entered the inner cavity, avoiding the situation where the rotation of the support rods affects the movement of the drying trolley.

[0012] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A magnified view of part A in FIG;

[0015] Figure 3 For this utility model Figure 1 A magnified view of part B in FIG;

[0016] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 5 For this utility model Figure 4 Enlarged view of part C in ;

[0018] Figure 6 This is a side structural diagram of the drying car in the present invention;

[0019] Figure 7 It is a schematic diagram of the three-dimensional structure of the movable plate in the utility model;

[0020] In the figure: 1. hot air circulation oven body; 11. inner cavity; 111. fixed seat; 12. roller; 2. drying cart; 21. connecting seat; 22. support rod; 221. moving wheel; 222. inclined plate; 23. connecting plate; 231. through groove; 232. spring; 24. movable plate; 241. curved plate; 242. clearance groove; 243. connecting rod; 244. connecting block. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 7 The utility model provides the following technical solutions: including a hot air circulation oven body 1 and a drying car 2, characterized in that: the hot air circulation oven body 1 is provided with two inner cavities 11, the bottom of the inner cavity 11 is provided with a plurality of rollers 12, the plurality of rollers 12 are arranged in four rows at equal intervals, and the plurality of rollers 12 do not contact each other, the bottom of the drying car 2 is provided with a plurality of connecting seats 21, the bottom of the connecting seat 21 is rotatably connected to a support rod 22, the bottom of the support rod 22 is provided with a moving wheel 221, the support rod 22 is provided with a movable wheel 221, and the support rod 22 is provided with a movable wheel 221. An inclined plate 222 is provided on one side of the top, and a movable plate 24 is provided on the bottom of the drying cart 2. An arc-shaped plate 241 is provided on one side of the movable plate 24. A plurality of makeshift grooves 242 are provided on the movable plate 24. The connecting seat 21 and the support rod 22 are located on the inner side of the makeshift groove 242. A plurality of connecting rods 243 are provided on the top of the movable plate 24. A plurality of connecting plates 23 are provided on both sides of the bottom of the drying cart 2. The connecting rods 243 are slidably connected to the connecting plates 23, and the connecting rods 243 and the connecting plates 23 are connected by springs 232.

[0022] In this embodiment, it includes a hot air circulation oven body 1 and a drying cart 2. When the material is located inside the hot air circulation oven body 1, the hot air is heated and circulated in the oven, thereby drying the material. The drying cart 2 is provided with a plurality of brackets and a plurality of trays. The material can be placed still inside the hot air circulation oven body 1 through the drying cart 2. The hot air circulation oven body 1 is provided with two inner cavities 11 inside. The bottom of the inner cavity 11 is provided with a plurality of rollers 12. The plurality of rollers 12 are in a vertical state. The plurality of rollers 12 are arranged in four rows at equal distances. The four rollers 12 with the rotation centers on the same straight line are respectively located in the four rows. The plurality of rollers 12 do not contact each other, and the plurality of rollers 12 do not interfere with each other. 2 is provided with several connecting seats 21 at the bottom, and the connecting seats 21 are fixedly connected to the bottom of the drying trolley 2. The bottom of the connecting seat 21 is rotatably connected to a support rod 22. The connecting seat 21 and the support rod 22 are connected by a torsion spring. When the support rod 22 rotates, the torsion spring will cause the support rod 22 to rotate and reset. A moving wheel 221 is provided at the bottom of the support rod 22. The moving wheel 221 allows the drying trolley 2 to move on the ground, which is convenient for moving materials. An inclined plate 222 is provided on one side of the top of the support rod 22. Several inclined plates 222 are all located on the same side of the support rod 22, and the bottom of the inclined plate 222 is lower than the bottom height of the inner cavity 11. When the drying trolley 2 moves toward the inside of the inner cavity 11, the bottom of the hot air circulation oven body 1 will block the inclined plate 222. As the drying trolley 2 enters the inner cavity 11, the inclined plate 222 and the support rod 22 will rotate to an angle that will not be interfered with by the bottom of the hot air circulation oven body 1, so that the drying trolley 2 can be translated into the inner cavity 11. A movable plate 24 is provided at the bottom of the drying trolley 2, and the movable plate 24 moves up and down at the bottom of the drying trolley 2. An arc-shaped plate 241 is provided on one side of the movable plate 24. The arc-shaped plate 241 and several inclined plates 222 are located on the same side. When the drying trolley 2 moves toward the direction of the hot air circulation oven body 1, the arc-shaped plate 241 will contact the roller 12 first, and the arc-shaped plate 241 will drive the movable plate 24 to move upward through the roller 12. The top of the movable plate 24 will be in contact with the bottom of the drying trolley 2. As the drying trolley 2 continues to be pushed in, several rollers 12 will push the movable plate 24 and the drying trolley 2 together. The drying trolley 2 is supported by the rollers 12 so that the drying trolley 2 can smoothly enter the inner cavity 11. At the same time, the rotation of the rollers 12 can reduce the influence of friction on the movement of the drying trolley 2. A plurality of clearance grooves 242 are provided on the movable plate 24. The connecting seat 21 and the support rod 22 are located on the inner side of the clearance grooves 242. The plurality of clearance grooves 242 correspond to the positions of the plurality of connecting seats 21, and the size of the clearance grooves 242 is larger than the rollers 12 and the support rod 22. When the support rod 22 is in a vertical state, the movable plate 24 can rise or fall on the outer side of the connecting seat 21 and the support rod 22. When the position of the movable plate 24 is lower than the support rod 22 and the rotation center of the movable plate 24, the movable plate 24 can limit the support rod 22 to avoid the drying trolley 2 from being pushed.When the support rod 22 rotates, a plurality of connecting rods 243 are provided on the top of the movable plate 24, and the connecting rods 243 are fixedly connected to the movable plate 24. A plurality of connecting plates 23 are provided on both sides of the bottom of the drying car 2, and the positions of the plurality of connecting plates 23 correspond to the positions of the plurality of connecting rods 243. The connecting rods 243 are slidably connected to the connecting plates 23. Through the connection between the connecting rods 243 and the connecting plates 23, the movable plate 24 can only move in the vertical direction, and the connecting rods 243 and the connecting plates 23 are connected by springs 232. The springs 232 make the movable plate 24 move when the drying car 2 does not enter the inner cavity 11. The height of the drying trolley 2 is lower than that of the connecting seat 21. The support rods 22, inclined plate 222, movable plate 24, and rollers 12 ensure that the drying trolley 2 remains stable when entering the inner cavity 11. This helps reduce the impact of the bottom height of the hot air circulation oven body 1 on the drying trolley 2, preventing the drying trolley 2 from falling and being damaged, and unevenly distributed and unsatisfactory drying effects due to tilting and bumping when entering the hot air circulation oven body 1. At the same time, the movable plate 24 can limit the support rods 22 when the drying trolley 2 has not entered the inner cavity 11, preventing the rotation of the support rods 22 from affecting the movement of the drying trolley 2.

[0023] A plurality of fixing seats 111 are provided at the bottom of the inner cavity 11 , and the fixing seats 111 are opposite to each other in pairs; the fixing seats 111 are fixedly connected to the bottom of the inner cavity 11 , and there are gaps between the fixing seats 111 .

[0024] The roller 12 is rotatably connected to one side of the fixed seat 111 , and the two rollers 12 are located between the two fixed seats 111 ; the two rollers 12 do not contact each other, and the connecting seat 21 , the support rod 22 and the moving wheel 221 can move between the two rollers 12 .

[0025] The connecting plate 23 defines a through slot 231 , and the connecting rod 243 is slidably connected to the inner side of the through slot 231 . When the movable plate 24 moves up and down, the connecting rod 243 slides inside the through slot 231 .

[0026] A connecting block 244 is provided at the top of the connecting rod 243, one end of the spring 232 is fixedly connected to the connecting block 244, and the other end of the spring 232 is fixedly connected to the top of the connecting plate 23; the connecting block 244 is fixedly connected to the connecting rod 243, and the size of the connecting block 244 is larger than the through slot 231.

[0027] The spring 232 is located on the outside of the connecting rod 243, and the connecting block 244 is located above the connecting plate 23; when the movable plate 24 moves downward, the connecting block 244 will compress the spring 232, and then the elastic force of the compressed spring 232 will cause the movable plate 24 to slide upward and reset.

[0028] The distance between the bottom of the drying trolley 2 and the top of the roller 12 matches the thickness of the movable plate 24 ; when the top of the movable plate 24 is in contact with the bottom of the drying trolley 2 , the bottom of the movable plate 24 is flush with the top of the roller 12 .

[0029] The working principle and usage process of the present invention are as follows: when in use, the curved plate 241 is located at the front side of the drying trolley 2, and then the drying trolley 2 is pushed toward the direction of the hot air circulation oven body 1. When the drying trolley 2 moves toward the direction of the hot air circulation oven body 1, the curved plate 241 will contact the roller 12 first, and the curved plate 241 will drive the movable plate 24 to move upward through the roller 12. The top of the movable plate 24 will be in contact with the bottom of the drying trolley 2. As the drying trolley 2 continues to be pushed in, several rollers 12 will support the movable plate 24 and the drying trolley 2. At the same time, the bottom of the hot air circulation oven body 1 will block the inclined plate 222. As the drying trolley 2 enters the inner cavity 11, the inclined plate 222 and the support rod 22 will rotate to an angle that will not be interfered with by the bottom of the hot air circulation oven body 1, so that the drying trolley 2 can be translated into the inner cavity 11.

Claims

1. A hot air circulation oven, comprising a hot air circulation oven body (1) and a drying vehicle (2), characterized in that: The hot air circulation oven body (1) is provided with two inner cavities (11) inside, and a plurality of rollers (12) are provided at the bottom of the inner cavities (11), and the plurality of rollers (12) are arranged in four rows with equal spacing, and the plurality of rollers (12) do not contact each other. The bottom of the drying trolley (2) is provided with a plurality of connecting seats (21), and the bottom of the connecting seats (21) is rotatably connected to a support rod (22), and the bottom of the support rod (22) is provided with a moving wheel (221), and a slanted plate (222) is provided on one side of the top of the support rod (22). The bottom of the drying trolley (2) is provided with a movable The movable plate (24) is provided with an arc-shaped plate (241) on one side of the movable plate (24), and a plurality of paving grooves (242) are provided on the movable plate (24). The connecting seat (21) and the supporting rod (22) are located on the inner side of the paving groove (242). A plurality of connecting rods (243) are provided on the top of the movable plate (24), and a plurality of connecting plates (23) are provided on both sides of the bottom of the drying car (2). The connecting rods (243) are slidably connected to the connecting plates (23), and the connecting rods (243) and the connecting plates (23) are connected by springs (232).

2. A hot air circulation oven according to claim 1, characterized in that: A plurality of fixing seats (111) are provided at the bottom of the inner cavity (11), and the fixing seats (111) are opposed to each other in pairs.

3. A hot air circulation oven according to claim 2, characterized in that: The roller (12) is rotatably connected to one side of the fixing seat (111), and the two rollers (12) are located between the two fixing seats (111).

4. A hot air circulation oven according to claim 3, characterized in that: A through slot (231) is provided on the connecting plate (23), and the connecting rod (243) is slidably connected to the inner side of the through slot (231).

5. The hot air circulation oven according to claim 4, characterized in that: A connecting block (244) is provided at the top of the connecting rod (243), one end of the spring (232) is fixedly connected to the connecting block (244), and the other end of the spring (232) is fixedly connected to the top of the connecting plate (23).

6. The hot air circulation oven according to claim 5, characterized in that: The spring (232) is located outside the connecting rod (243), and the connecting block (244) is located above the connecting plate (23).

7. The hot air circulation oven according to claim 6, characterized in that: The distance between the bottom of the drying cart (2) and the top of the roller (12) matches the thickness of the movable plate (24).

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