Plywood hot-pressing device

Abstract

The utility model belongs to the field of hot pressing devices, and particularly relates to a plywood hot pressing device which comprises a base, a support is welded to the lower end of the base, a limiting mechanism is arranged on the support, a frame is welded to the upper end of the base, and a hydraulic cylinder is fixedly installed in the middle of the upper end of the frame. A hydraulic rod of the hydraulic cylinder penetrates through the support and is in sliding connection with the support, the lower end of the hydraulic rod is fixedly connected with a hot pressing plate, the lower end of the hot pressing plate is fixedly connected with a hanging rod, and the hanging rod is in sliding connection with the base. The motor drives the supporting disc to rotate, so that the square cylinder drives the square rod to slide, the screw rod and the square cylinder are rotated to do threaded motion, then the device can carry out hot press forming on plywood with different sizes and different length-width ratios, meanwhile, the square rod is elastically supported through the spring, the square rod can slide in the square cylinder, and therefore the plywood can be conveniently formed. And the device can be used for carrying out hot press molding on plywood with different thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing devices, in particular to a hot pressing device for plywood. Background Technique

[0002] Multi-layer plywood is a kind of wood-based board formed by cross-stacking and hot pressing three or more wood boards. Multi-layer plywood has the advantages of high strength, good stability, wear resistance, moisture-proof and mildew-proof.

[0003] The utility model patent with the patent authorization announcement number CN211164407U discloses a hot pressing device for plywood production, which relates to the technical field of plywood hot pressing. This hot pressing device for plywood production includes a hydraulic rod, a base and a box body. By setting the first-stage spring, this hot pressing device for plywood production achieves the effect of buffering the downward force of the pressing plate by the first-stage spring and the second-stage spring respectively, and solves the problem that in the production process of plywood, a hot pressing device is needed, and in the working process of the current hot pressing device, when the pressing plate presses down and contacts the plywood, it is easy to damage the plywood due to the lack of buffering, resulting in material waste and reduced production efficiency.

[0004] However, when this device hot presses multi-layer plywood, it is not convenient for the device to align and hot press plywood with different sizes and length-width ratios. At the same time, after the plywood is hot pressed and formed, it needs to be taken out manually, which is easy to cause hand burns. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hot pressing device for plywood, which solves the problems that when the device hot presses multi-layer plywood, it is not convenient for the device to align and hot press plywood with different sizes and length-width ratios, and at the same time, after the plywood is hot pressed and formed, it needs to be taken out manually, which is easy to cause hand burns.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hot pressing device for plywood, including a base, a bracket is welded at the lower end of the base, a limiting mechanism is arranged on the bracket, a frame is welded at the upper end of the base, a hydraulic cylinder is fixedly installed in the middle of the upper end of the frame, the hydraulic rod of the hydraulic cylinder passes through the bracket and is slidably connected with the bracket, the lower end of the hydraulic rod is fixedly connected with a hot pressing plate, a suspension rod is fixedly connected to the lower end of the hot pressing plate, the suspension rod is slidably connected with the base, and a jacking mechanism is arranged at the lower end of the suspension rod.

[0007] Preferably, the limiting mechanism includes a support plate. A support plate is fixedly connected inside the bracket. A motor is fixedly installed at the lower end of the support plate. The output end of the motor penetrates through the support plate and is rotatably connected to the support plate. A support disk is fixedly installed at the upper end of the output end. A sliding seat is slidably connected to the upper end of the support disk. A square tube is slidably connected inside the sliding seat. A screw rod is installed inside the sliding seat through a bearing. The screw rod is threadedly connected to the square tube. The square tube is slidably connected to the base. A square rod is slidably connected inside the square tube. A spring is arranged inside the square tube. By driving the support disk to rotate through the motor, the square tube drives the square rod to slide, and by rotating the screw rod to make a threaded movement with the square tube, the device can hot-press plywood with different sizes and different length-width ratios into shape. At the same time, by elastically supporting the square rod through the spring, the square rod can slide inside the square tube, enabling the device to hot-press plywood with different thicknesses into shape.

[0008] Preferably, a sliding pin is welded to the lower end of the sliding seat. The sliding pin is slidably connected to the support disk. By providing the sliding pin, the movement of the sliding seat is guided.

[0009] Preferably, a baffle is fixedly connected to the outer side of the square tube. The baffle is slidably connected to the base. By providing the baffle, the groove opened on the base is closed.

[0010] Preferably, one end of the spring is fixedly connected to the square rod, and the other end of the spring is fixedly connected to the square tube. By providing the spring, the square rod is facilitated to reset.

[0011] Preferably, the ejecting mechanism includes a suspension plate. A suspension plate is fixedly connected to the lower end of the suspension rod. A ejecting rod is slidably connected inside the suspension plate. The ejecting rod is slidably connected to the base. A top plate is welded to the upper end of the ejecting rod. A retaining ring is fixedly connected to the outer side of the ejecting rod. The retaining ring contacts the base. A compression spring is arranged on the outer side of the ejecting rod. By the compression spring pushing up the retaining ring, the ejecting rod is elastically pushed up, enabling the plywood to be separated from the base after hot-pressing, avoiding scalding of the hand and the base during the process of taking out the plywood, and making the process of taking out the plywood safer.

[0012] Preferably, one end of the compression spring is fixedly connected to the suspension plate, and the other end of the compression spring is fixedly connected to the retaining ring. By providing the compression spring, the top plate is elastically pushed up.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The utility model drives the support plate to rotate through a motor, so that the square tube drives the square rod to slide, and makes a threaded movement through the rotating screw rod and the square tube. Furthermore, the device can hot-press plywood with different sizes and different length-width ratios into shape. At the same time, the square rod is elastically supported by a spring, so that the square rod can slide in the square tube, and the device can hot-press plywood with different thicknesses into shape.

[0015] 2. The utility model makes the ejector rod be elastically jacked up by the compression spring jacking up the retaining ring, so that after the plywood is hot-pressed into shape, it can be separated from the base, avoiding scalding of the hand and the base during the process of taking out the plywood, and making the process of taking out the plywood safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the overall structure of the utility model;

[0017] Figure 2 is the utility model Figure 1 bottom view;

[0018] Figure 3 is the utility model Figure 2 three-dimensional view of the sliding seat;

[0019] Figure 4 is the utility model Figure 2 enlarged view of part A;

[0020] In the figure: 1. Base; 2. Bracket; 3. Limiting mechanism; 4. Frame; 5. Hydraulic cylinder; 6. Hot pressing plate; 7. Suspension rod; 8. Ejecting mechanism; 31. Support plate; 32. Motor; 33. Support plate; 34. Sliding seat; 35. Sliding pin; 36. Square tube; 37. Screw rod; 38. Baffle; 39. Square rod; 310. Spring; 81. Hanging plate; 82. Ejector rod; 83. Top plate; 84. Retaining ring; 85. Compression spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 - Figure 2, a plywood hot pressing device, including a base 1, a bracket 2 is welded to the lower end of the base 1, a limiting mechanism 3 is arranged on the bracket 2, a frame 4 is welded to the upper end of the base 1, a hydraulic cylinder 5 is fixedly installed in the middle of the upper end of the frame 4, the hydraulic rod of the hydraulic cylinder 5 penetrates through the bracket 2 and is slidably connected to the bracket 2, the lower end of the hydraulic rod is fixedly connected to a hot pressing plate 6, a suspension rod 7 is fixedly connected to the lower end of the hot pressing plate 6, the suspension rod 7 is slidably connected to the base 1, and an ejecting mechanism 8 is arranged at the lower end of the suspension rod 7.

[0023] Please refer to Figure 1 - Figure 3 , the limiting mechanism 3 includes a support plate 31, the support plate 31 is fixedly connected to the inside of the bracket 2, a motor 32 is fixedly installed at the lower end of the support plate 31, the output end of the motor 32 penetrates through the support plate 31 and is rotatably connected to the support plate 31, a support disk 33 is fixedly installed at the upper end of the output end, a sliding seat 34 is slidably connected to the upper end of the support disk 33, a sliding pin 35 is welded to the lower end of the sliding seat 34, the sliding pin 35 is slidably connected to the support disk 33, by setting the sliding pin 35, the movement of the sliding seat 34 is guided, a square tube 36 is slidably connected to the inside of the sliding seat 34, a screw rod 37 is installed in the sliding seat 34 through a bearing, the screw rod 37 is threadedly connected to the square tube 36, the square tube 36 is slidably connected to the base 1, a baffle 38 is fixedly connected to the outside of the square tube 36, the baffle 38 is slidably connected to the base 1, by setting the baffle 38, the groove opened on the base 1 is closed, a square rod 39 is slidably connected to the inside of the square tube 36, a spring 310 is arranged inside the square tube 36, one end of the spring 310 is fixedly connected to the square rod 39, and the other end of the spring 310 is fixedly connected to the square tube 36, by setting the spring 310, the square rod 39 is facilitated to reset, by driving the support disk 33 to rotate through the motor 32, the square tube 36 drives the square rod 39 to slide, and by rotating the screw rod 37 to make a threaded movement with the square tube 36, furthermore, the device can hot press and form plywood with different sizes and different length-width ratios. At the same time, by elastically supporting the square rod 39 through the spring 310, the square rod 39 can slide inside the square tube 36, so that the device can hot press and form plywood with different thicknesses.

[0024] Please refer to Figure 1 , Figure 2 , Figure 4, the ejection mechanism 8 includes a suspension plate 81. The lower end of the suspension rod 7 is fixedly connected to the suspension plate 81. A ejector rod 82 is slidably connected inside the suspension plate 81. The ejector rod 82 is slidably connected to the base 1. The upper end of the ejector rod 82 is welded with a top plate 83. A retaining ring 84 is fixedly connected to the outer side of the ejector rod 82. The retaining ring 84 contacts the base 1. A compression spring 85 is arranged on the outer side of the ejector rod 82. One end of the compression spring 85 is fixedly connected to the suspension plate 81, and the other end of the compression spring 85 is fixedly connected to the retaining ring 84. By arranging the compression spring 85, the top plate 83 is elastically jacked up. By the compression spring 85 jacking up the retaining ring 84, the ejector rod 82 is elastically jacked up, so that after the plywood is hot-pressed and formed, it can be separated from the base 1, avoiding scalding when the hand contacts the base 1 during the process of taking out the plywood, and making the process of taking out the plywood safer.

[0025] The specific implementation process of the present utility model is as follows: When in use, adjust the device according to the length-width ratio of the board. Manually rotate the screw rod 37. The screw rod 37 rotates and makes a threaded movement with the square tube 36. Then the square tube 36 drives the square rod 39 to move. Start the hydraulic cylinder 5 to drive the hot pressing plate 6 to move downward, so that the suspension rod 7 drives the suspension plate 81 to move downward, making the compression spring 85 loose, and the top plate 83 enters into the base 1. Stack the multi-layer boards coated with glue and place them above the top plate 83 that enters into the base 1. Start the motor 32. The motor 32 drives the support disk 33 to rotate. The rotation of the support disk 33 makes the sliding pin 35 move. The sliding pin 35 drives the sliding seat 34 to move. The sliding seat 34 drives the square tube 36 to move. The square tube 36 drives the square rod 39 to move, so that the square rod 39 contacts the side of the multi-layer boards, and aligns and clamps the multi-layer boards. By the motor 32 driving the support disk 33 to rotate, the square tube 36 drives the square rod 39 to slide, and by rotating the screw rod 37 and making a threaded movement with the square tube 36, the device can hot-press and form plywood with different sizes and length-width ratios. The hydraulic cylinder 5 drives the hot pressing plate 6 to continue to move downward, so that the hot pressing plate 6 enters into the base 1 and contacts the board, and hot-presses the board. At the same time, after the hot pressing plate 6 moves downward to contact the square rod 39, it presses down the square rod 39, making the square rod 39 move into the square tube 36. The square rod 39 is elastically supported by the spring 310, so that the square rod 39 can slide in the square tube 36, and the device can hot-press and form plywood with different thicknesses. After the plywood is hot-pressed and formed, the hydraulic rod drives the hot pressing plate 6 to reset, so that the suspension rod 7 drives the suspension plate 81 to move, making the compression spring 85 elastically jack up the retaining ring 84, so that the ejector rod 82 drives the top plate 83 to elastically jack up the plywood. By the compression spring 85 jacking up the retaining ring 84, the ejector rod 82 is elastically jacked up, so that after the plywood is hot-pressed and formed, it can be separated from the base 1, avoiding scalding when the hand contacts the base 1 during the process of taking out the plywood, and making the process of taking out the plywood safer.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A plywood hot pressing device, comprising a base (1), characterized in that: A bracket (2) is welded to the lower end of the base (1), a limit mechanism (3) is arranged on the bracket (2), a frame (4) is welded to the upper end of the base (1), a hydraulic cylinder (5) is fixedly installed in the middle of the upper end of the frame (4), a hydraulic rod of the hydraulic cylinder (5) passes through the bracket (2) and is slidably connected to the bracket (2), a hot pressing plate (6) is fixedly connected to the lower end of the hydraulic rod, a suspension rod (7) is fixedly connected to the lower end of the hot pressing plate (6), the suspension rod (7) is slidably connected to the base (1), and an ejection mechanism (8) is arranged at the lower end of the suspension rod (7).

2. The plywood hot pressing device according to claim 1, characterized in that: The limiting mechanism (3) comprises a support plate (31), the support plate (31) is fixedly connected inside the bracket (2), a motor (32) is fixedly installed at the lower end of the support plate (31), an output end of the motor (32) passes through the support plate (31) and is rotatably connected to the support plate (31), a support disk (33) is fixedly installed at the upper end of the output end, a slide seat (34) is slidably connected to the upper end of the support disk (33), a square tube (36) is slidably connected inside the slide seat (34), a screw rod (37) is installed inside the slide seat (34) through a bearing, the screw rod (37) and the square tube (36) are connected by threads, the square tube (36) and the base (1) are slidably connected, a square rod (39) is slidably connected inside the square tube (36), and a spring (310) is arranged inside the square tube (36).

3. The plywood hot pressing device according to claim 2, characterized in that: A sliding pin (35) is welded to the lower end of the sliding seat (34), and the sliding pin (35) is slidably connected to the supporting plate (33).

4. The plywood hot pressing device according to claim 2, characterized in that: A baffle (38) is fixedly connected to the outer side of the square tube (36), and the baffle (38) is slidably connected to the base (1).

5. The plywood hot pressing device according to claim 2, characterized in that: One end of the spring (310) is fixedly connected to the square rod (39), and the other end of the spring (310) is fixedly connected to the square tube (36).

6. The plywood hot pressing device according to claim 1, characterized in that: The ejection mechanism (8) comprises a hanging plate (81), the lower end of the hanging rod (7) is fixedly connected to the hanging plate (81), the interior of the hanging plate (81) is slidably connected to a push rod (82), the push rod (82) and the base (1) are slidably connected, the upper end of the push rod (82) is welded to a top plate (83), the outer side of the push rod (82) is fixedly connected to a retaining ring (84), the retaining ring (84) is in contact with the base (1), and a compression spring (85) is arranged on the outer side of the push rod (82).

7. The plywood hot pressing device according to claim 6, characterized in that: One end of the compression spring (85) is fixedly connected to the hanging plate (81), and the other end of the compression spring (85) is fixedly connected to the retaining ring (84).

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