Plywood pressing device

Abstract

The utility model belongs to the technical field of plywood production equipment, and is particularly a plywood pressing device, comprising a base, a bracket arranged on the base, a hydraulic mechanism arranged on the bracket, a pressing plate arranged at the lower end of the hydraulic mechanism, a first limiting mechanism arranged on the outer side of the bracket, a bidirectional screw rod arranged on the first limiting mechanism, a second limiting mechanism arranged on the inner side of the bracket, and the first limiting mechanism comprising a threaded hole, an engaging opening, a limiting plate and a hinge. The utility model adjusts and limits the position of the sheet to be pressed by the first limiting mechanism, the limiting plate, the hinge, the bidirectional screw rod, the second limiting mechanism and the cylinder, and can adjust the sheet from four directions to keep it at the center position of the base, thereby improving the use effect. The first limiting mechanism, the second limiting mechanism, the cylinder, the mounting groove, the motor and the bevel gear are used to optimize the operation mode of the hand wheel, and the electric and pneumatic modes are used for driving, which is more labor-saving and improves the degree of automation and convenience.

Description

Technical Field

[0001] The utility model relates to the technical field of plywood production equipment, in particular to a plywood pressing device. Background Art

[0002] Plywood is a board made of thin wood chips that are cross-stacked and bonded with glue. Plywood needs to be pressed during the production process. During the processing of multi-layer plywood, a pressing device is required to press the multi-layer boards with adhesive into one piece using a pre-pressing device. The pressing equipment includes cold pressing and hot pressing equipment. Different processing steps require different pressing equipment.

[0003] The prior art has the following shortcomings: Application No. 202223275933.0 in the prior art proposes a plywood pressing device, comprising a bracket, a crossbeam is arranged on the top of the bracket, two groups of cylinders are arranged inside the crossbeam, a pressing plate is arranged at the bottom of the two groups of cylinders, and adjustment mechanisms are arranged on the left and right sides of the pressing plate; a pressing platform is arranged inside the bracket, a placing plate is arranged on the top of the pressing platform and below the pressing plate, a cavity is opened inside the pressing platform, a bidirectional screw is arranged inside the cavity, and limiting plates are arranged on the outside of the bidirectional screw and on the left and right sides of the placing plate.

[0004] When the above-mentioned equipment is in use, a handwheel is used to drive the bidirectional screw rod to move the limit plate toward the center, so as to gather the plates that need to be pressed. The limit plate can only act on two sides of the plates, and has no effective limit effect on the other two sides of the plates. The overall use effect can be further improved. At the same time, the manual operation of the handwheel is more laborious, and the convenience and automation level are low. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a plywood pressing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plywood pressing device, comprising a base, a bracket is arranged on the base, a hydraulic mechanism is arranged on the bracket, a pressing plate is arranged at the lower end of the hydraulic mechanism, a first limiting mechanism is arranged on the outer side of the bracket, a bidirectional screw rod is arranged on the first limiting mechanism, a second limiting mechanism is arranged on the inner side of the bracket, a cylinder is arranged on the outer side of the bracket, a mounting groove is arranged on the base, a motor is arranged in the mounting groove, a bevel gear is arranged at the output end of the motor, a bearing is arranged on the inner side of the mounting groove, a positioning sliding mechanism is arranged on the side of the pressing plate, and a positioning groove is opened on the inner side of the bracket;

[0007] The first limiting mechanism comprises a threaded hole, an engaging opening, a limiting plate and a hinge. The limiting plate is arranged in the engaging opening, and a hinge is arranged between the limiting plate and the first limiting mechanism.

[0008] As a preferred technical solution of the utility model: the four corners of the pressure plate are provided with positioning sliding mechanisms, the positioning sliding mechanisms and the pressure plate are integrally formed, positioning grooves are opened on both sides of the inner wall of the bracket, and the positioning sliding mechanisms and the positioning grooves are adapted and combined with each other.

[0009] As a preferred technical solution of the utility model: the bracket is fixedly installed on the base, and the hydraulic mechanism has two groups and is fixedly connected through the top of the bracket and the pressure plate by bolts.

[0010] As a preferred technical solution of the utility model: there are four groups of the first limiting mechanisms and every two groups are arranged corresponding to each other, there are four groups of the bidirectional screw rods, two groups of the bidirectional screw rods respectively pass through the top of the bracket and the base and pass through the installation groove, and the two ends of the two groups of the bidirectional screw rods respectively pass through a group of threaded holes on the first limiting mechanism.

[0011] As a preferred technical solution of the utility model: the part of the bidirectional screw in the installation groove is fixed with a gear that matches the bevel gear and meshes with each other, the outer ring of the bearing is fixedly embedded in the inner wall of the installation groove, and the bidirectional screw passes through and is fixed on the inner ring of the bearing.

[0012] As a preferred technical solution of the utility model: there are four groups of installation grooves and four groups of bidirectional screw rods are driven correspondingly respectively, the structures in the installation grooves are consistent, and the driving methods of the bidirectional screw rods are consistent.

[0013] As a preferred technical solution of the utility model: the second limiting mechanism has four groups and is distributed on the inner sides of both sides of the bracket, the cylinder has several groups and is fixed on both sides of the bracket, the output end of the cylinder passes through the bracket and is fixedly connected to the second limiting mechanism, the limiting plate is rotatably connected to the first limiting mechanism through a hinge, the limiting plate is adapted to the engaging mouth, and the hinge is specifically a two-stage force hinge.

[0014] Compared with the prior art, the utility model provides a plywood pressing device, which has the following beneficial effects:

[0015] 1. A plywood pressing device is provided with a first limiting mechanism, a limiting plate, a hinge, a bidirectional screw rod, a second limiting mechanism, and a cylinder. The cylinder is started to push the second limiting mechanism to push the plates on the base from both sides to the middle and gather them together. The motor is started to drive the bidirectional screw rod to cause the first limiting mechanisms at both ends of the bidirectional screw rod to move outward from the bracket, and the first limiting plate is flipped outward and kept in an inclined downward position under the action of the two-stage force hinge. The motor is started again to cause the bidirectional screw rod to rotate in the opposite direction, and the first limiting mechanism approaches the bracket, so that the limiting plate pushes the plates toward the middle. The position of the plates to be pressed can be adjusted and restricted, and the plates can be adjusted from four directions to keep them in the center position of the base, thereby improving the use effect.

[0016] 2. This plywood pressing device is equipped with a first limiting mechanism, a second limiting mechanism, a cylinder, a mounting groove, a motor, and a bevel gear. The cylinder pushes the second limiting mechanism to push the plates on the base from both sides to the middle and gather them together. The motor drives the bidirectional screw rod to cause the first limiting mechanisms at both ends of the bidirectional screw rod to move. The operation mode of the hand wheel is optimized, and it is driven by electric and pneumatic methods, which is more labor-saving and improves the degree of automation and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall external structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bidirectional screw drive structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the first limiting mechanism of the utility model;

[0020] Figure 4 For this utility model Figure 1 A is an enlarged schematic diagram.

[0021] In the figure: 1. base; 2. bracket; 3. hydraulic mechanism; 4. pressure plate; 5. first limiting mechanism; 501. threaded hole; 502. fitting mouth; 503. limiting plate; 504. hinge; 6. bidirectional screw rod; 7. second limiting mechanism; 8. cylinder; 9. mounting groove; 10. motor; 11. bevel gear; 12. bearing; 13. positioning sliding mechanism; 14. positioning groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment: a plywood pressing device comprises a base 1, a bracket 2 is arranged on the base 1, a hydraulic mechanism 3 is arranged on the bracket 2, a pressing plate 4 is arranged at the lower end of the hydraulic mechanism 3, a first limiting mechanism 5 is arranged on the outer side of the bracket 2, a bidirectional screw 6 is arranged on the first limiting mechanism 5, a second limiting mechanism 7 is arranged on the inner side of the bracket 2, a cylinder 8 is arranged on the outer side of the bracket 2, a mounting groove 9 is arranged on the base 1, a motor 10 is arranged in the mounting groove 9, a bevel gear 11 is arranged at the output end of the motor 10, the bidirectional screw 6 can be driven to rotate by the motor 10 and the bevel gear 11, a bearing 12 is arranged on the inner side of the mounting groove 9, a positioning sliding mechanism 13 is arranged on the side of the pressing plate 4, and a positioning groove 14 is opened on the inner side of the bracket 2;

[0024] The first limiting mechanism 5 includes a threaded hole 501 , an engaging opening 502 , a limiting plate 503 and a hinge 504 . The limiting plate 503 is arranged in the engaging opening 502 . A hinge 504 is arranged between the limiting plate 503 and the first limiting mechanism 5 . The limiting plate 503 can be easily retracted through the engaging opening 502 .

[0025] In this embodiment, the four corners of the pressing plate 4 are provided with a positioning sliding mechanism 13, the positioning sliding mechanism 13 and the pressing plate 4 are integrally formed, and positioning grooves 14 are provided on both sides of the inner wall of the bracket 2. The positioning sliding mechanism 13 and the positioning groove 14 are adapted to and combined with each other, and the stability of the pressing plate 4 during the lifting process can be guaranteed by the positioning sliding mechanism 13 and the positioning groove 14; the bracket 2 is fixedly mounted on the base 1, and there are two groups of hydraulic mechanisms 3, which pass through the top of the bracket 2 and are fixedly connected to the pressing plate 4 by bolts, and the pressing plate 4 can be lifted and lowered by the hydraulic mechanism 3 and sufficient pressure can be provided to the pressing plate 4; there are four groups of first limiting mechanisms 5, and each two groups are arranged corresponding to each other, and there are four groups of bidirectional screw rods 6, two groups of bidirectional screw rods 6 respectively pass through the top of the bracket 2 and the base 1 and pass through the installation groove 9, and the two ends of the two groups of bidirectional screw rods 6 respectively pass through a group of threaded holes 501 on the first limiting mechanism 5, and the plate to be pressed can be pushed through the first limiting mechanism 5; part of the bidirectional screw rod 6 in the installation groove 9 is fixed There are gears that match the bevel gear 11 and mesh with each other. The outer ring of the bearing 12 is fixedly embedded in the inner wall of the mounting groove 9. The bidirectional screw 6 passes through and is fixed on the inner ring of the bearing 12. The first limit mechanism 5 can be moved toward the center through the bidirectional screw 6. There are four groups of mounting grooves 9 and they drive four groups of bidirectional screws 6 respectively. The structures in the mounting grooves 9 are consistent, and the driving methods of the bidirectional screws 6 are consistent. The installation of the motor 10 is convenient through the mounting grooves 9. There are four groups of second limit mechanisms 7 and they are distributed On the inner sides of both sides of the bracket 2, there are several groups of cylinders 8 and they are fixed on both sides of the bracket 2. The cylinders 8 can be used to push the second limiting mechanism 7. The output end of the cylinder 8 passes through the bracket 2 and is fixedly connected to the second limiting mechanism 7. The limiting plate 503 is rotatably connected to the first limiting mechanism 5 through the hinge 504. The limiting plate 503 is adapted to the fitting mouth 502. The hinge 504 is specifically a two-stage force hinge. The limiting plate 503 can be flipped outwards through the hinge 504 and can stay in a suitable position at will.

[0026] The working principle and use process of the utility model: in actual use, the equipment is placed in a suitable position and connected to an external power supply to energize the motor 10, and then the hydraulic mechanism 3 is driven to lift the pressing plate 4, and then the plates to be pressed are stacked and placed on the base 1 and corresponding to the pressing plate 4, and the cylinder 8 is started to push the second limiting mechanism 7 to push the plates on the base 1 from both sides to the middle and gather them together, and then the motor 10 is started to drive the bidirectional screw 6 to rotate through the bevel gear 11, so that the first limiting mechanisms 5 at both ends of the bidirectional screw 6 move outward from the bracket 2, until the edge of the plate to be pressed at the first limiting mechanism 5 flips the first limiting plate 503 outward and makes it under the action of the second-stage force hinge 504 The lower part is kept in a tilted downward position, and the motor 10 is started again to cause the bidirectional screw rod 6 to rotate in the opposite direction. The first limit mechanism 5 approaches the bracket 2. At the same time, the limit plate 503 will act on the lower part of the other two sides of the plate placed on the base 1 and push it toward the middle. In the same way as above, the limit plate 503 is kept in an inclined upward direction during the process to push the upper part of the other two sides of the plate. The position of the plate to be pressed can be adjusted and limited. The plate can be adjusted from four directions to keep it in the center position of the base 1, thereby improving the use effect. At the same time, the operation method of the hand wheel is optimized, and it is driven by electric and pneumatic methods, which is more labor-saving and improves the degree of automation and convenience.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plywood pressing device, comprising a base (1), a bracket (2) being arranged on the base (1), a hydraulic mechanism (3) being arranged on the bracket (2), a pressing plate (4) being arranged at the lower end of the hydraulic mechanism (3), characterized in that: A first limiting mechanism (5) is arranged on the outer side of the bracket (2), a bidirectional screw rod (6) is arranged on the first limiting mechanism (5), a second limiting mechanism (7) is arranged on the inner side of the bracket (2), a cylinder (8) is arranged on the outer side of the bracket (2), a mounting groove (9) is arranged on the base (1), a motor (10) is arranged in the mounting groove (9), a bevel gear (11) is arranged at the output end of the motor (10), a bearing (12) is arranged on the inner side of the mounting groove (9), a positioning sliding mechanism (13) is arranged on the side of the pressure plate (4), and a positioning groove (14) is opened on the inner side of the bracket (2); The first limiting mechanism (5) comprises a threaded hole (501), an engaging opening (502), a limiting plate (503) and a hinge (504); the limiting plate (503) is arranged in the engaging opening (502); and the hinge (504) is arranged between the limiting plate (503) and the first limiting mechanism (5).

2. A plywood pressing device according to claim 1, characterized in that: The four corners of the pressure plate (4) are each provided with a positioning sliding mechanism (13), the positioning sliding mechanism (13) and the pressure plate (4) are integrally formed, and positioning grooves (14) are each provided on both sides of the inner wall of the bracket (2), and the positioning sliding mechanism (13) and the positioning grooves (14) are adapted to and combined with each other.

3. The plywood pressing device according to claim 1, characterized in that: The bracket (2) is fixedly mounted on the base (1); the hydraulic mechanism (3) has two groups in total and passes through the top of the bracket (2) and is fixedly connected to the pressure plate (4) by bolts.

4. The plywood pressing device according to claim 1, characterized in that: There are four groups of the first limiting mechanisms (5) and every two groups are arranged corresponding to each other. There are four groups of the bidirectional screw rods (6). Two groups of the bidirectional screw rods (6) respectively pass through the top of the bracket (2) and the base (1) and pass through the installation groove (9). The two ends of the two groups of the bidirectional screw rods (6) respectively pass through the threaded holes (501) on one group of the first limiting mechanisms (5).

5. The plywood pressing device according to claim 1, characterized in that: The part of the bidirectional screw (6) located in the installation groove (9) is fixed with a gear that matches the bevel gear (11) and meshes with each other, the outer ring of the bearing (12) is fixedly embedded in the inner wall of the installation groove (9), and the bidirectional screw (6) passes through and is fixed on the inner ring of the bearing (12).

6. The plywood pressing device according to claim 1, characterized in that: There are four groups of the installation grooves (9) and they respectively drive four groups of bidirectional screw rods (6). The structures in the installation grooves (9) are consistent, and the driving methods of the bidirectional screw rods (6) are consistent.

7. The plywood pressing device according to claim 1, characterized in that: The second limiting mechanism (7) has four groups distributed on the inner sides of both sides of the bracket (2); the cylinder (8) has several groups fixed on both sides of the bracket (2); the output end of the cylinder (8) passes through the bracket (2) and is fixedly connected to the second limiting mechanism (7); the limiting plate (503) is rotatably connected to the first limiting mechanism (5) via a hinge (504); the limiting plate (503) is adapted to the fitting opening (502); and the hinge (504) is specifically a two-stage force hinge.

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