Corrugated board production line with air cushion type hot plate

Abstract

The corrugated board production line with the air cushion type hot plate comprises racks, the air cushion type hot plate and a positioning assembly, the air cushion type hot plate is installed between the two racks, connecting blocks are fixedly connected to the two sides of the air cushion type hot plate, positioning holes are formed in the two ends of each connecting block, and the air cushion type hot plate is installed in the positioning assembly. A connecting groove matched with the connecting block is formed in one side of the rack, a cavity is formed in the position, located at the bottom of the connecting groove, of the rack, the positioning assembly is arranged in the cavity and comprises a two-way screw rotationally installed in the cavity, two symmetrical sliding blocks are connected to the two-way screw in a threaded mode, and the two sliding blocks are connected with the two-way screw in a threaded mode. A supporting plate is hinged to the top of the sliding block, and two positioning columns matched with the positioning holes are fixedly connected to the top of the supporting plate. Through the arrangement of the connecting blocks, the connecting grooves and the positioning assemblies, the air cushion type hot plate is convenient to mount and dismount, and the later maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated cardboard production lines, in particular to a corrugated cardboard production line with an air cushion type hot plate. Background Art

[0002] Corrugated cardboard consists of at least one layer of corrugated core paper and one layer of cardboard. It has high mechanical strength and can withstand collisions and falls during transportation. Therefore, it is used in various fields. On the production line, a corresponding air-cushion hot plate is designed. It is the most important step in determining the quality of the cardboard. It makes the cardboard solidify faster and cools and sets its shape, thereby reducing the probability of the cardboard deforming and warping due to slow cooling.

[0003] According to patent document: CN208263637U, a corrugated cardboard production line with an air cushion hot plate is disclosed, including a double-facer, which includes a frame, a heating plate, a heat conducting belt and a conveyor belt. The heating plate is arranged on the frame, the heat conducting belt is arranged above the heating plate, and the conveyor belt is arranged above the heat conducting belt. The heating plate includes a heating plate, an air inlet pipe and an air outlet pipe. The heating plate is box-shaped and an air cavity is arranged inside the heating plate. The air inlet pipe and the air outlet pipe are both located below the heating plate and are connected to the air cavity. A nozzle is also arranged on the upper surface of the hot plate. The beneficial effect of the utility model is that by arranging the air inlet pipe and the air outlet pipe on the heating plate of the double-facer, the corrugated cardboard can be effectively heated and replenished with water when passing through the double-facer, thereby improving the processing quality of the corrugated cardboard.

[0004] In the process of implementing the above, the inventors found that there are at least the following problems in this technology: when the air cushion hot plate is used, it needs to be installed in the corresponding area of the production rack. However, both ends of the air cushion hot plate are connected by multiple sets of bolts, which makes installation and disassembly very cumbersome, affecting the efficiency of subsequent maintenance.

[0005] Therefore, it is necessary to provide a corrugated board production line with an air cushion hot plate. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a corrugated board production line with an air cushion type hot plate.

[0007] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a corrugated cardboard production line with an air cushion hot plate, comprising a frame, an air cushion hot plate and a positioning assembly, wherein the air cushion hot plate is installed between two frames, and connecting blocks are fixedly connected to both sides of the air cushion hot plate, and positioning holes are provided at both ends of the connecting block, and a connecting groove adapted to the connecting block is provided on one side of the frame, and a cavity is provided at the bottom of the connecting groove of the frame, and the positioning assembly is provided in the cavity;

[0008] The positioning assembly includes a bidirectional screw rotatably installed in a cavity, two symmetrical sliders are threadedly connected to the bidirectional screw, a support plate is hinged on the top of the slider, a support rod is hinged between the support plate and the slider, there are two support rods, and two positioning columns adapted to the positioning holes are fixedly connected to the top of the support plate.

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

[0010] A guide roller is rotatably mounted on the top of the frame.

[0011] As a further description of the above technical solution:

[0012] The top surface of the air cushion type hot plate is provided with a plurality of drainage grooves distributed at equal intervals.

[0013] As a further description of the above technical solution:

[0014] One end of the bidirectional screw passes through the frame and is fixedly mounted with a hand wheel.

[0015] As a further description of the above technical solution:

[0016] A sliding groove is provided on the inner bottom wall of the cavity, and the sliding block is slidably connected in the sliding groove.

[0017] As a further description of the above technical solution:

[0018] Both ends of the support plate are fixedly connected to limit blocks, the inner side wall of the cavity is provided with a limit groove, and the limit blocks are slidably connected in the limit groove.

[0019] As a further description of the above technical solution:

[0020] A handle is fixedly mounted on one end of the air cushion type hot plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. Compared with the prior art, the present invention is provided with a connecting block, a connecting groove and a positioning assembly. When installing the air cushion type hot plate, the connecting blocks at both ends of the air cushion type hot plate can be slid into the connecting grooves of the two frames respectively. When the connecting block is completely slid into the connecting groove, the positioning hole will be aligned with the positioning column. Then, the hand wheel can be rotated to drive the bidirectional screw to rotate, so that the bidirectional screw drives the two sliders away from each other, and the slider drives the support plate to rise through the support rod, so that the support plate drives the positioning column to be inserted into the positioning hole, so that the connecting block can be positioned, which facilitates the installation and disassembly of the air cushion type hot plate and improves the efficiency of later maintenance.

[0023] 2. Compared with the prior art, the present invention can centrally drain and discharge the condensed water through the drainage groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a corrugated cardboard production line with an air cushion hot plate proposed in the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of an air cushion hot plate of a corrugated cardboard production line with an air cushion hot plate proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the frame structure of a corrugated cardboard production line with an air cushion hot plate proposed in the utility model;

[0027] Figure 4 This is a schematic cross-sectional view of a frame of a corrugated cardboard production line with an air cushion hot plate proposed in the present invention;

[0028] Figure 5 This is a schematic diagram of the support plate structure of a corrugated cardboard production line with an air cushion hot plate proposed by the utility model.

[0029] Legend:

[0030] 1. Frame; 11. Connecting groove; 12. Guide roller; 13. Slide groove; 14. Limiting groove; 2. Air cushion hot plate; 21. Connecting block; 22. Positioning hole; 23. Drainage groove; 24. Handle; 3. Positioning assembly; 31. Bidirectional screw; 32. Slider; 33. Support plate; 34. Positioning column; 35. Handwheel; 36. Limiting block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-Figure 5 The utility model provides a corrugated cardboard production line with an air cushion hot plate, which includes a frame 1, an air cushion hot plate 2 and a positioning assembly 3. A guide roller 12 is rotatably installed on the top of the frame 1. The air cushion hot plate 2 is installed between two frames 1. A plurality of air outlet holes are opened on the top surface of the air cushion hot plate 2, through which hot air can be blown to the production line to heat the corrugated cardboard. A plurality of equally distributed drainage grooves 23 are opened on the top surface of the air cushion hot plate 2, through which condensed water can be centrally drained and discharged.

[0033] Both sides of the air cushion type hot plate 2 are fixedly connected with a connecting block 21, and both ends of the connecting block 21 are provided with a positioning hole 22. A connecting groove 11 adapted to the connecting block 21 is provided on one side of the frame 1, and a cavity is provided at the bottom of the frame 1 at the connecting groove 11. The positioning assembly 3 is provided in the cavity, and the positioning assembly 3 includes a bidirectional screw 31 rotatably installed in the cavity. The bidirectional screw 31 is horizontally arranged along the length direction of the connecting groove 11. One end of the bidirectional screw 31 passes through the frame 1 and is fixedly installed with a handwheel 35. Two symmetrical sliders 32 are threadedly connected to the bidirectional screw 31, and a slide groove 13 is provided on the inner bottom wall of the cavity. The slider 32 is slidably connected in the slide groove 13. The top of the slider 32 is hinged with a support plate 33, and a support rod is hinged between the support plate 33 and the slider 32. There are two support rods, and the two support rods They are symmetrically distributed, and the top of the support plate 33 is fixedly connected to two positioning posts 34 that are compatible with the positioning holes 22. They are arranged through the connecting block 21, the connecting groove 11 and the positioning assembly 3. When the air cushion type hot plate 2 is installed, the connecting blocks 21 at both ends of the air cushion type hot plate 2 can be slid into the connecting grooves 11 of the two frames 1 respectively. When the connecting block 21 is completely slid into the connecting groove 11, the positioning holes 22 will align with the positioning posts 34. Then, the hand wheel 35 can be rotated to make the hand wheel 35 drive the bidirectional screw 31 to rotate, so that the bidirectional screw 31 drives the two sliders 32 away from each other, so that the slider 32 drives the support plate 33 to rise through the support rod, so that the support plate 33 drives the positioning posts 34 to be inserted into the positioning holes 22, so that the connecting block 21 can be positioned, which facilitates the installation and disassembly of the air cushion type hot plate 2 and improves the efficiency of later maintenance.

[0034] Among them, both ends of the support plate 33 are fixedly connected to the limiting blocks 36, and the inner wall of the cavity is provided with a limiting groove 14. The limiting blocks 36 are slidably connected in the limiting groove 14. Through the setting of the limiting blocks 36, the support plate 33 can be limited.

[0035] In order to facilitate the sliding of the air cushion type hot plate 2, a handle 24 is fixedly installed at one end of the air cushion type hot plate 2, and the handle 24 is used to facilitate the pulling and disassembly of the air cushion type hot plate 2.

[0036] Working principle: through the setting of the connecting block 21, the connecting groove 11 and the positioning component 3, when installing the air cushion type hot plate 2, the connecting blocks 21 at both ends of the air cushion type hot plate 2 can be slid into the connecting grooves 11 of the two frames 1 respectively. When the connecting block 21 is completely slid into the connecting groove 11, the positioning hole 22 will be aligned with the positioning column 34. Then, the hand wheel 35 can be rotated to make the hand wheel 35 drive the bidirectional screw 31 to rotate, so that the bidirectional screw 31 drives the two sliders 32 away from each other, so that the slider 32 drives the support plate 33 to rise through the support rod, so that the support plate 33 drives the positioning column 34 to be inserted into the positioning hole 22, so that the connecting block 21 can be positioned, which facilitates the installation and disassembly of the air cushion type hot plate 2 and improves the efficiency of later maintenance.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A corrugated cardboard production line with an air cushion hot plate, comprising a frame (1), an air cushion hot plate (2) and a positioning assembly (3), characterized in that: The air cushion type hot plate (2) is installed between two frames (1), and connecting blocks (21) are fixedly connected to both sides of the air cushion type hot plate (2), and positioning holes (22) are provided at both ends of the connecting block (21). A connecting groove (11) adapted to the connecting block (21) is provided on one side of the frame (1), and a cavity is provided at the bottom of the connecting groove (11), and the positioning assembly (3) is provided in the cavity; The positioning assembly (3) includes a bidirectional screw (31) rotatably mounted in a cavity, two symmetrical sliders (32) are threadedly connected to the bidirectional screw (31), a support plate (33) is hinged on the top of the slider (32), a support rod is hinged between the support plate (33) and the slider (32), and there are two support rods, and the top of the support plate (33) is fixedly connected to two positioning columns (34) adapted to the positioning holes (22).

2. The corrugated cardboard production line with an air cushion hot plate according to claim 1, characterized in that: A guide roller (12) is rotatably mounted on the top of the frame (1).

3. The corrugated cardboard production line with an air cushion hot plate according to claim 1, characterized in that: The top surface of the air cushion type hot plate (2) is provided with a plurality of drainage grooves (23) distributed at equal intervals.

4. The corrugated cardboard production line with an air cushion hot plate according to claim 1, characterized in that: One end of the bidirectional screw (31) passes through the frame (1) and is fixedly mounted with a hand wheel (35).

5. The corrugated cardboard production line with an air cushion hot plate according to claim 1, characterized in that: A sliding groove (13) is provided on the inner bottom wall of the cavity, and the sliding block (32) is slidably connected in the sliding groove (13).

6. The corrugated board production line with air cushion hot plate according to claim 1, characterized in that: Both ends of the support plate (33) are fixedly connected to a limiting block (36); a limiting groove (14) is provided on the inner side wall of the cavity; and the limiting block (36) is slidably connected in the limiting groove (14).

7. The corrugated board production line with air cushion hot plate according to claim 1, characterized in that: A handle (24) is fixedly mounted on one end of the air cushion type hot plate (2).

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