Stacking device for production of OSBs for door frames

Abstract

The invention relates to the technical field of transfer, and particularly discloses a stacking device for production of OSBs for door frames, the stacking device comprises a frame body and a rope traction device, the rope traction device can drive the frame body to move, a plurality of adsorption devices are installed on the frame body, and each adsorption device comprises an outer cylinder, an inner cylinder, an adsorption piece, a first elastic piece, a ventilation pipe and a control mechanism; the outer cylinder is fixedly connected with the frame body, the inner cylinder and the outer cylinder are connected in an up-down sliding mode, the adsorption piece is of a conical structure and is fixedly connected with the bottom of the inner cylinder, the adsorption piece and the inner cylinder can form an adsorption cavity, and the upper end and the lower end of the first elastic piece are connected with the inner cylinder and the outer cylinder respectively. The upper end of the ventilation pipe can communicate with an air source, and the control mechanism can control communication and closing between the ventilation pipe and the air source. When the plate is transferred, the plate can be prevented from being damaged, and the control precision of the downward moving distance of the adsorption part can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of transfer, and in particular to a stacking device for producing OSB boards for door frames. Background Art

[0002] OSB board is a directional structural board made of small-diameter wood, thinning wood and wood core. It is processed into long flakes by special equipment and then made into a directional structural board through processes such as degreasing, drying, gluing, directional paving and hot pressing.

[0003] The patent document with the authorization announcement number CN218879130U discloses a hoisting mechanical arm, including a hanger, a lifting rod is rotatably provided at one end of the hanger, a column is provided at the bottom of the lifting rod, a fixed shaft is rotatably provided at the bottom of the column, a mounting plate is provided at one end of the fixed shaft, and four groups of adsorption parts distributed in a rectangular shape are provided on the side of the mounting plate, each group of adsorption parts includes two adjustment plates rotatably connected to the mounting plate, and a connecting plate is connected in the middle of the two adjustment plates, and the adjustment plate is rotatably connected to the connecting plate, and a suction cup is provided at one end of the adjustment plate away from the mounting plate. The hoisting mechanical arm can adsorb and fix the plate and hoist and transfer it, thereby saving manpower and improving work efficiency, and the position of the suction cup can be adjusted according to the size of the plate, which is suitable for the adsorption and fixation of plates of various sizes.

[0004] In the above technical solution, after the position of the suction cup is adjusted, the lifting rod is controlled to extend, and the lifting rod drives the column to move downward when extended. The column drives the mounting plate to move downward through the fixed axis, and the mounting plate drives the suction cup to move downward through the adjustment plate until the suction cup contacts and adsorbs the plate. However, when transferring the upper and lower stacked plates, it is difficult to accurately control the descending height of the suction cup, that is, it is impossible to adsorb, lift or place the plate according to the actual position. For example, the suction cup has been in contact with the plate, and the lifting rod continues to drive the suction cup to descend, or after the adsorbed plate has been moved to the storage position, the lifting rod continues to apply downward force to the suction cup and the plate, which can easily cause the plate to break and be damaged. Summary of the invention

[0005] The present invention provides a stacking device for producing OSB boards for door frames, aiming to solve the problem in the related art that the boards cannot be adsorbed, lifted or placed according to their actual positions, which easily leads to damage to the boards.

[0006] A stacking device for producing OSB boards for door frames comprises a frame and a rope traction device, wherein the rope traction device can drive the frame to move, and a plurality of adsorption devices are installed on the frame, wherein the adsorption devices comprise an outer cylinder, an inner cylinder, an adsorption piece, an elastic piece 1, a vent pipe and a control mechanism, wherein the outer cylinder is fixedly connected to the frame, and the inner cylinder and the outer cylinder are connected in an up-and-down sliding manner, the adsorption piece is in a conical structure and is fixedly connected to the bottom of the inner cylinder, the adsorption piece and the inner cylinder can form an adsorption cavity, and the bottom of the adsorption piece can fit with the plate material, the upper and lower ends of the elastic piece 1 are respectively connected to the inner cylinder and the outer cylinder, a part of the vent pipe is inserted into the vent chamber, an opening 1 connected to the vent chamber is provided on the vent pipe, the upper end of the vent pipe can be connected to an air source, and the control mechanism can control the connection and closing between the vent pipe and the air source.

[0007] The beneficial effects of the present invention are as follows: when the frame is controlled to descend and the suction cup contacts and adsorbs the plate, or after the plate is adsorbed and fixed, the frame is controlled to descend to place the plate, and when the adsorbed and fixed plate contacts the surface to be placed, the frame still has a certain downward movement space, and the elastic member is used for buffering, which can reduce the force applied to the plate and avoid damage to the plate, thereby greatly reducing the demand for accurate control of the downward movement distance of the adsorption member.

[0008] Preferably, the control mechanism includes a sleeve and a rotation control assembly, the sleeve is fixedly mounted on the upper part of the outer cylinder, wherein a portion of the ventilation pipe is inserted into the outer cylinder from the upper end of the outer cylinder, and the other portion of the ventilation pipe is inserted into the sleeve, the ventilation pipe is rotationally connected to the inner cylinder, and the two can be raised and lowered synchronously, an opening two is provided on the side wall of the ventilation pipe located in the sleeve, an opening three and an opening four are provided on the side wall of the sleeve, the opening three and the opening four are symmetrically distributed on both sides of the ventilation pipe, an air flow channel connected to the opening four is provided on the frame, and the rotation control assembly can connect the opening two with the opening three or the opening four.

[0009] Preferably, the rotation control assembly includes a groove group and a sliding member, the groove group includes two vertical grooves and two spiral grooves arranged on the inner wall of the sleeve, the two vertical grooves and the two spiral grooves are symmetrically distributed on both sides of the ventilation pipe, the upper and lower ends of the spiral groove are respectively connected to the two vertical grooves, and the lower end of the spiral groove is connected to the lower end of the vertical groove, the sliding member is connected to the ventilation pipe, and the sliding member is slidably fitted in the vertical groove or the spiral groove.

[0010] Preferably, the bottom of the vertical groove gradually approaches the center of the sleeve from top to bottom, and the bottom of the spiral groove gradually approaches the center of the sleeve from bottom to top. The upper bottom of the spiral groove is closer to the center of the sleeve than the bottom of the vertical groove at the corresponding connecting position, and the lower bottom of the spiral groove is farther away from the center of the sleeve than the bottom of the vertical groove. The sliding member can slide along the radial direction of the ventilation pipe, and an elastic member 2 is provided between the sliding member and the ventilation pipe. The elastic member 2 can elastically push the sliding member in the radial direction of the ventilation pipe, which has the effect of enabling the sliding member to stably circulate in the spiral groove and the vertical groove.

[0011] Preferably, the upper end height of the spiral groove is lower than the upper end height of the vertical groove. The effect is that when the air flow channel and the adsorption chamber are connected and the plate is adsorbed, or when the adsorption of the plate is released, if the frame, the outer cylinder and the sleeve continue to move downward, the sliding part can continue to move upward along the vertical groove, with a certain buffer movement distance, which can reduce the control accuracy of the frame's descending distance and avoid damage to structures such as the sliding part.

[0012] Preferably, the adsorbent is formed from an elastic material, and its effect is that when the plate is adsorbed, the outer cylinder and the sleeve move downward relative to the ventilation pipe, the elastic member is stretched, and at the same time, the elastic member applies a downward force to the inner cylinder. At this time, the adsorbent formed from the elastic material will undergo a certain deformation, thereby making the sealing effect between the adsorbent and the surface of the plate better, enabling better adsorption, and being suitable for the adsorption of plates with uneven surfaces.

[0013] Preferably, a stop member is provided at the bottom end of the ventilation pipe, and the stop member is located inside the adsorption member and is formed by an elastic material. The stop member can abut against the plate. The effect is that when the adsorption member abuts against the plate and deforms, the inner tube will drop a certain distance. At this time, the stop member abutting against the plate will also deform, and can provide a certain support for the ventilation pipe and the inner tube, and at the same time can provide a certain protection for the adsorption member to prevent the adsorption member from being subjected to excessive force.

[0014] Preferably, a clamping assembly is also included, which includes two positioning frames, two clamping members and a driving member, the two positioning frames are symmetrically arranged on both sides of the frame body, the two clamping members are respectively connected to the bottom of the two positioning frames, the driving member can drive the two positioning frames to move closer to or away from each other, and the two clamping members can move synchronously with the positioning frames.

[0015] By adopting the above technical solution, the beneficial effects of the present invention are as follows: 1. When the present invention controls the frame to descend and contacts and adsorbs the plate through the suction cup, or controls the frame to descend to place the plate after adsorbing and fixing the plate, and when the adsorbed and fixed plate contacts the surface to be placed, the frame still has a certain downward movement space, and the elastic member can reduce the force applied to the plate through buffering, thereby avoiding damage to the plate, thereby greatly reducing the demand for accurate control of the downward movement distance of the adsorption member.

[0016] 2. In the present invention, the opening and closing of multiple adsorption devices installed on the frame are independently controlled, that is, the opening and closing of multiple adsorption devices do not affect each other, so that the corresponding number and matching positions of adsorption devices can be adapted according to the shape and size of the plate, and the equipment only needs one air source to control all the adsorption devices installed on the frame, and no additional opening and closing control unit is required. In addition, the multiple adsorption devices installed on the frame can adsorb and fix multiple plates at a time for lifting and transportation, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0019] Figure 3 It is a schematic diagram of the matching structure of the vent pipe and the sleeve of the present invention.

[0020] Figure 4 It is a schematic diagram of the connection structure of the outer cylinder and the inner cylinder of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the ventilation pipe of the present invention.

[0022] Figure 6 It is a schematic diagram of the cross-sectional structure of the sleeve of the present invention.

[0023] Figure 7 Another schematic cross-sectional structure diagram of the sleeve of the present invention.

[0024] Reference numerals: 1. frame; 11. air flow channel; 2. outer cylinder; 21. slider; 3. Inner cylinder; 31. Adsorption chamber; 32. Vertical slide; 4. Adsorption member; 5. Elastic member 1; 6. vent pipe; 61. opening one; 62. opening two; 63. stop member; 64. annular groove; 71, sleeve; 711, opening three; 712, opening four; 721, sliding member; 722, vertical groove; 723, spiral groove; 724, elastic member two; 81, positioning frame; 82, clamping member; 83, driving member; 84, screw; 9. Board material. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0026] like Figure 1 As shown, the stacking device for producing OSB boards for door frames in an embodiment of the present invention includes a frame 1 and a rope traction device (not shown in the figure). The rope traction device can drive the frame 1 to move. A plurality of adsorption devices are installed on the frame 1. The plurality of adsorption devices are evenly and symmetrically installed on the frame 1. When adsorbing the plate 9, different numbers of adsorption devices can be adapted to adsorb the plate 9 according to the shape and size of the plate 9, and the flexibility is high. Among them, the rope traction device adopts a rope to lift the frame 1 for movement. The device is an existing mature technology and will not be elaborated in detail here.

[0027] like Figures 1 to 7 As shown, the adsorption device includes an outer tube 2, an inner tube 3, an adsorption member 4, an elastic member 5, a vent pipe 6 and a control mechanism.

[0028] like Figures 2 to 4 As shown, the outer cylinder 2 is fixedly connected to the frame 1, the inner cylinder 3 and the outer cylinder 2 are connected by sliding up and down, the adsorption member 4 is conical and fixedly connected to the bottom of the inner cylinder 3, the adsorption member 4 and the inner cylinder 3 can form an adsorption chamber 31, the adsorption member 4 is made of elastic material, and its bottom can fit with the plate 9, and the upper and lower ends of the elastic member 5 are respectively connected to the inner cylinder 3 and the outer cylinder 2.

[0029] Specifically, the upper end of the outer cylinder 2 is fixedly connected to the frame 1, and the inner cylinder 3 is movably inserted into the outer cylinder 2 from the lower end of the outer cylinder 2. A vertical slide groove 32 is opened on the outer surface of the inner cylinder 3, and a slider 21 adapted to be engaged with the vertical slide groove 32 is fixedly provided on the outer cylinder 2, so that the inner cylinder 3 and the outer cylinder 2 can stably slide relative to each other in the up and down directions. The interior of the adsorption member 4 and the inner cylinder 3 both have cavities, and the two cavities are connected to form an adsorption chamber 31. The material for preparing the adsorption member 4 can be rubber, and the elastic member 5 can be a spring, which is arranged on the outer peripheral side of the inner cylinder 3.

[0030] like Figures 2 to 5 As shown, part of the ventilation pipe 6 is inserted into the adsorption chamber 31, and an opening 61 communicating with the adsorption chamber 31 is provided on the ventilation pipe 6. The upper end of the ventilation pipe 6 can be connected to the air source, and the control mechanism can control the connection and closing between the ventilation pipe 6 and the air source.

[0031] Specifically, the control mechanism includes a sleeve 71 and a rotation control assembly, wherein the sleeve 71 is fixedly mounted on the upper part of the outer cylinder 2, wherein a portion of the ventilation pipe 6 is inserted into the outer cylinder 2 from the upper end of the outer cylinder 2, and the bottom end of the ventilation pipe 6 is inserted into the inner cylinder 3 from the upper end of the inner cylinder 3, and a through hole for inserting the ventilation pipe 6 is opened at the upper end of the inner cylinder 3, and an annular groove 64 is provided on the outer peripheral surface of the ventilation pipe 6, and the upper end of the inner cylinder 3 is movably clamped in the annular groove 64, so that the ventilation pipe 6 is rotationally connected to the inner cylinder 3, and the ventilation pipe 6 can be raised and lowered synchronously with the inner cylinder 3, and the portion of the ventilation pipe 6 located above the outer cylinder 2 is inserted into the sleeve 71 from the bottom end of the sleeve 71.

[0032] Opening one 61 is arranged on the side wall of the ventilation pipe 6 located inside the inner tube 3 to connect the adsorption chamber 31 and the ventilation pipe 6. An opening two 62 is arranged on the side wall of the ventilation pipe 6 located in the sleeve 71. An opening three 711 and an opening four 712 are arranged on the side wall of the sleeve 71. The opening three 711 and the opening four 712 are symmetrically distributed on both sides of the ventilation pipe 6. The opening two 62, the opening three 711 and the opening four 712 are all at the same height. When the opening two 62 is connected with the opening three 711, the side wall of the ventilation pipe 6 can block the opening four 712. When the opening two 62 is connected with the opening four 712, the side wall of the ventilation pipe 6 can block the opening three 711. The opening three 711 is connected to the outside world. An air flow channel 11 connected with the opening four 712 is arranged on the frame 1. The air flow channel 11 is connected to the air source. The rotating control component can connect the opening two 62 with the opening three 711 or the opening four 712.

[0033] like Figures 2 to 7 As shown, the rotation control assembly includes a groove group and a sliding member 721, the groove group includes two vertical grooves 722 and two spiral grooves 723 arranged on the inner wall of the sleeve 71, the two vertical grooves 722 and the two spiral grooves 723 are symmetrically distributed on both sides of the ventilation pipe 6, that is, the two vertical grooves 722 and the two spiral grooves 723 are arranged alternately in sequence along the circumferential direction of the inner wall of the sleeve 71, and the upper and lower ends of the spiral groove 723 are respectively connected to the two vertical grooves 722, wherein the lower end of the spiral groove 723 is connected to the lower end of the vertical groove 722, and the upper end of the spiral groove 723 is lower than the upper end of the vertical groove 722, the sliding member 721 is connected to the ventilation pipe 6, and the sliding member 721 is slidably fitted in the vertical groove 722 or the spiral groove 723.

[0034] In the initial state of the lifting equipment, the sliding member 721 is engaged at the bottom end of the spiral groove 723, the opening 2 62 on the ventilation pipe 6 is connected to the opening 3 711, and the side wall of the ventilation pipe 6 blocks the opening 4 712. At this time, the air flow channel 11 on the frame 1 and the ventilation pipe 6 are in a disconnected state, and the sliding member 21 on the outer tube 2 is snap-fitted to the upper side of the vertical slide groove 32.

[0035] When adsorbing the plate 9, the frame 1 is first driven to move by the rope traction device, so that the adsorption device moves to the top of the plate 9 to be adsorbed, and then the rope is released, and the frame 1 and the adsorption device move downward. After the bottom end of the adsorption member 4 contacts and seals with the upper surface of the plate 9, the outer cylinder 2 and the sleeve 71 will continue to move downward relative to the ventilation pipe 6. With the cooperation of the sliding member 721 and the spiral groove 723, the ventilation pipe 6 will rotate, and the sliding member 721 will move along the spiral groove 723. After the sliding member 721 enters the vertical groove 722 from the upper end of the spiral groove 723, the ventilation pipe 6 rotates 180°. At this time, the opening three 711 is blocked by the ventilation pipe 6, and the opening two 62 is connected with the opening four 712, that is, the air flow channel 11 on the frame 1 can be connected with the adsorption chamber 31. At this time, the air source is started to inhale. The plate 9 is adsorbed by the adsorption member 4, wherein, when the outer cylinder 2 and the sleeve 71 move downward relative to the ventilation pipe 6, the elastic member 5 will be stretched, and the elastic member 5 will exert a downward force on the inner cylinder 3. At this time, the adsorption member 4 formed by the elastic material will undergo a certain deformation, so that the sealing effect between the adsorption member 4 and the surface of the plate 9 can be better, and better adsorption can be achieved. Next, the frame 1 and the adsorbed plate 9 are driven upward by the rope traction device, and the outer cylinder 2 and the sleeve 71 will first move upward relative to the inner cylinder 3 and the ventilation pipe 6, and the slider 21 on the outer cylinder 2 will move up and re-engage with the upper side of the vertical slide groove 32, and the sliding member 721 will move downward along the vertical groove 722 relative to the sleeve 71 to the bottom end of the spiral groove 723, that is, the spiral groove 723 will also return to its original position.

[0036] Among them, the bottom of the vertical groove 722 gradually approaches the center of the axis of the sleeve 71 from top to bottom, and the bottom of the spiral groove 723 gradually approaches the center of the axis of the sleeve 71 from bottom to top. The upper end bottom of the spiral groove 723 is closer to the center of the axis of the sleeve 71 than the bottom of the vertical groove 722 at the corresponding connecting position. The lower end of the spiral groove 723 is located below the vertical groove 722, and the lower end bottom of the spiral groove 723 is farther away from the center of the sleeve 71 than the bottom of the vertical groove 722. The sliding member 721 is movably inserted into the ventilation pipe 6 and can slide along the radial direction of the ventilation pipe 6. An elastic member 724 is provided between the sliding member 721 and the ventilation pipe 6. The elastic member 724 is a spring and can elastically push the sliding member 721 in the radial direction of the ventilation pipe 6.

[0037] As can be seen from the above, when the sliding member 721 moves upward along the spiral groove 723 from the bottom of the spiral groove 723, the elastic member 2 724 will be gradually compressed, and the sliding member 721 will gradually move toward the inner side of the ventilation pipe 6. After the sliding member 721 enters the vertical groove 722 through the upper end of the spiral groove 723, the elastic member 2 724 will elastically push the sliding member 721 to stop at the bottom of the vertical groove 722. Since the upper end bottom of the spiral groove 723 is closer to the center of the axis of the sleeve 71 than the bottom of the vertical groove 722 at the corresponding connecting position, Thereby, the sliding member 721 can be stably present in the vertical groove 722. When the sliding member 721 moves along the vertical groove 722 toward the bottom end of the vertical groove 722, the elastic member 2 724 will be gradually compressed, and the sliding member 721 will gradually move toward the inner side of the ventilation pipe 6. After the sliding member 721 enters the bottom end of the spiral groove 723 through the bottom end of the vertical groove 722, the elastic member 2 724 will elastically push the sliding member 721 so that it stops at the bottom of the spiral groove 723. At this time, the sliding member 721 can be stably present in the spiral groove 723.

[0038] After the frame 1 and the adsorbed plate 9 are driven to move to the top of the storage position by the rope traction device, the rope is then released, and the frame 1 and the adsorption device move downward. After the plate 9 is placed at the storage position, the frame 1 continues to move downward, and the outer cylinder 2 and the sleeve 71 continue to move downward relative to the ventilation pipe 6. With the cooperation of the sliding member 721 and the spiral groove 723, the ventilation pipe 6 will rotate, and the sliding member 721 will move along the spiral groove 723. After the sliding member 721 enters the vertical groove 722 from the upper end of the spiral groove 723, the ventilation pipe 6 rotates 180°. At this time, the opening four 712 will be blocked, and the opening two 62 and the opening three 711 are connected, so that the adsorption chamber 31 can be connected with the outside world, that is, the adsorption of the plate 9 can be released.

[0039] In addition, the upper end height of the spiral groove 723 is set to be lower than the upper end height of the vertical groove 722, that is, there is an upwardly extending portion of the vertical groove 722 above the connecting point between the spiral groove 723 and the vertical groove 722, so that the air flow channel 11 and the adsorption chamber 31 are connected and the plate 9 is adsorbed, or when the adsorption of the plate 9 is released, if the frame 1, the outer tube 2 and the sleeve 71 continue to move downward, the sliding member 721 can continue to move upward along the vertical groove 722, with a certain buffer movement distance, which can reduce the control accuracy of the descending distance of the frame 1 and avoid damage to the sliding member 721 and other structures.

[0040] In some embodiments, Figure 1 and Figure 2As shown, a stop member 63 is provided at the bottom end of the ventilation pipe 6, and the stop member 63 is located in the adsorption member 4 and is formed by an elastic material. The stop member 63 can stop with the plate 9. When the outer cylinder 2 moves downward relative to the inner cylinder 3, the elastic member 5 will be stretched and can exert a downward force on the inner cylinder 3, and the adsorption member 4 will be deformed, causing the inner cylinder 3 to drop a certain distance. At this time, the stop member 63 that stops with the plate 9 will also be deformed, and can provide a certain support for the ventilation pipe 6 and the inner cylinder 3, and at the same time can provide a certain protection for the adsorption member 4 to prevent the adsorption member 4 from being subjected to excessive force.

[0041] In some embodiments, Figure 1 As shown, the stacking device for producing OSB boards for door frames also includes a clamping assembly, which includes two positioning frames 81, two clamping members 82 and a driving member 83. The two positioning frames 81 are symmetrically arranged on both sides of the frame body 1, and the two clamping members 82 are respectively connected to the bottom of the two positioning frames 81. The driving member 83 can drive the two positioning frames 81 to move closer to or away from each other, and the two clamping members 82 can move synchronously with the positioning frames 81.

[0042] Specifically, the driving member 83 can be a double-headed motor, and screws 84 are fixedly connected at the output ends on both sides of the driving member 83. The length direction of the screw 84 is in the same direction as the arrangement direction of the two positioning frames 81. The two positioning frames 81 are respectively threadedly connected to the two screws 84, and the positioning frames 81 are slidingly connected to the frame body 1, so as to control the operation of the driving member 83, that is, the two positioning frames 81 can be driven to move closer to or away from each other, and then the two clamping members 82 can be made to move closer to or away from each other. For multiple plates 9 to be transferred that are stacked up and down, after the adsorption device adsorbs the topmost plate 9, the clamping members 82 on both sides of the plate 9 are made closer to each other through the driving member 83, and the two sides of the lower plate 9 can be clamped, so that two or more plates 9 can be transferred at a time.

[0043] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A stacking device for producing OSB panels for door frames, comprising a frame and a rope traction device, wherein the rope traction device can drive the frame to move, and is characterized in that: A plurality of adsorption devices are installed on the frame, and the adsorption devices include an outer cylinder, an inner cylinder, an adsorption piece, an elastic piece, a ventilation pipe and a control mechanism. The outer cylinder is fixedly connected to the frame, and the inner cylinder and the outer cylinder are connected by sliding up and down. The adsorption piece is in a conical structure and is fixedly connected to the bottom of the inner cylinder. The adsorption piece and the inner cylinder can form an adsorption cavity, and the bottom of the adsorption piece can fit with the plate. The upper and lower ends of the elastic piece are respectively connected to the inner cylinder and the outer cylinder. Part of the ventilation pipe is inserted into the adsorption cavity. An opening connected to the adsorption cavity is provided on the ventilation pipe. The upper end of the ventilation pipe can be connected to an air source. The control mechanism can control the connection and closure between the ventilation pipe and the air source.

2. The stacking device for producing OSB boards for door frames according to claim 1, characterized in that: The control mechanism includes a sleeve and a rotation control component. The sleeve is fixedly installed on the upper part of the outer tube, wherein a part of the ventilation pipe is inserted into the outer tube from the upper end of the outer tube, and the other part of the ventilation pipe is inserted into the sleeve. The ventilation pipe is rotationally connected to the inner tube, and the two can be raised and lowered synchronously. An opening two is provided on the side wall of the ventilation pipe in the sleeve, and an opening three and an opening four are provided on the side wall of the sleeve. Opening three and opening four are symmetrically distributed on both sides of the ventilation pipe. An air flow channel connected with opening four is provided on the frame. The rotation control component can connect opening two with opening three or opening four.

3. The stacking device for producing OSB boards for door frames according to claim 2, characterized in that: The rotation control component includes a groove group and a sliding member. The groove group includes two vertical grooves and two spiral grooves arranged on the inner wall of the sleeve. The two vertical grooves and the two spiral grooves are symmetrically distributed on both sides of the ventilation pipe. The upper and lower ends of the spiral groove are respectively connected to the two vertical grooves, and the lower end of the spiral groove is connected to the lower end of the vertical groove. The sliding member is connected to the ventilation pipe, and the sliding member slides in the vertical groove or the spiral groove.

4. The stacking device for producing OSB boards for door frames according to claim 3, characterized in that: The bottom of the vertical groove gradually approaches the center of the sleeve from top to bottom, and the bottom of the spiral groove gradually approaches the center of the sleeve from bottom to top. The upper bottom of the spiral groove is closer to the center of the sleeve than the bottom of the vertical groove at the corresponding connecting position, and the lower bottom of the spiral groove is farther away from the center of the sleeve than the bottom of the vertical groove. The sliding member can slide in the radial direction of the ventilation pipe, and an elastic member 2 is provided between the sliding member and the ventilation pipe, and the elastic member 2 can elastically push the sliding member in the radial direction of the ventilation pipe.

5. The stacking device for producing OSB boards for door frames according to claim 4, characterized in that: The upper end height of the spiral groove is lower than the upper end height of the vertical groove.

6. The stacking device for producing OSB boards for door frames according to claim 4, characterized in that: The adsorption element is formed by elastic material.

7. The stacking device for producing OSB boards for door frames according to claim 6, characterized in that: A stop piece is provided at the bottom end of the ventilation pipe. The stop piece is located in the adsorption piece and is formed by elastic material. The stop piece can stop against the plate.

8. The stacking device for producing OSB boards for door frames according to claim 1, characterized in that: It also includes a clamping assembly, which includes two positioning frames, two clamping members and a driving member. The two positioning frames are symmetrically arranged on both sides of the frame body, and the two clamping members are respectively connected to the bottom of the two positioning frames. The driving member can drive the two positioning frames to move closer to or away from each other, and the two clamping members can move synchronously with the positioning frames.

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