CN115488970A

CN115488970A - Compression fittings is used in production of fibre plywood

Info

Publication number: CN115488970A
Application number: CN202211040868.5A
Authority: CN
Inventors: 宋文蛟
Original assignee: Jiangsu Panzhilong Construction Engineering Co ltd
Current assignee: Jiangsu Panzhilong Construction Engineering Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-20

Abstract

The invention belongs to the technical field of plywood, and discloses a pressing device for producing fiber plywood, which comprises a workbench, a support column and a hydraulic cylinder, wherein a limiting shell is fixedly arranged at the bottom of the hydraulic cylinder, a pressing plate is fixedly arranged in the middle of the bottom of the limiting shell, movable components are movably sleeved at the left end and the right end of the bottom of the limiting shell, and a pressing roller is movably sleeved at the lower ends of the movable components. According to the invention, through the structural matching of the hydraulic cylinder, the limiting shell, the pressing plate and the like, when the plates of the fiber plywood are pressed, the limiting shell is driven to press downwards through the hydraulic cylinder, the middle part of the plates are pressed firstly, and then the first gear is driven to rotate through the first motor, so that the first toothed plate and the second toothed plate move reversely, the pressing rollers at the bottoms of the two groups of movable assemblies reversely move and press the plates from the middle part to the two sides, so that the plates are not deviated, air between the plates can be removed, and a better pressing effect is achieved.

Description

Compression fittings is used in production of fibre plywood

Technical Field

The invention belongs to the technical field of plywood, and particularly relates to a pressing device for producing fiber plywood.

Background

The plywood is an artificial board, which is formed by bonding three or more layers of plate-shaped materials through an adhesive, usually the layers are odd, the difference of mechanical properties is small, the fiber plywood is made of wood or plant fibers serving as raw materials through gluing, and the plywood needs to be pressed through a pressing device after the gluing.

In the prior art, the pressfitting of fiber plywood through compression fittings divide into two kinds of forms, one kind is to roll at the panel surface through the compression roller and carry out the pressfitting, one kind is that the clamp plate exerts pressure to the top surface of panel and carries out the pressfitting, because fiber plywood is the multilayer board combination and forms, when the form that adopts the compression roller is carried out the pressfitting, the marginal atress of two plywoods in the outside extrudees inboard panel to the middle part, the panel that is located in the middle produces the slip easily, thereby form the displacement between the messenger's panel, influence the intensity at plywood edge, when the form pressfitting that adopts the direct compression, because artifical brush glue, probably there is the air between the panel, the unable discharge of air during the pressfitting, and then influence fiber plywood bulk strength, therefore propose one kind to the aforesaid problem have the pressfitting effectual, clean convenient and convenient fibre plywood production of alignment of pressfitting uses the compression fittings

Disclosure of Invention

The invention aims to provide a pressing device for producing fiber plywood, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a compression fittings is used in production of fibre plywood, includes workstation, support column and pneumatic cylinder, the bottom fixed mounting of pneumatic cylinder has spacing shell, the centre fixed mounting of spacing shell bottom has the clamp plate, the equal activity in both ends has cup jointed movable assembly about spacing shell bottom, the lower extreme activity of movable assembly has cup jointed the compression roller, the left end the right side fixed mounting of movable assembly has second pinion rack, the right-hand member the left side fixed mounting of movable assembly has first pinion rack, the rear end fixed mounting at spacing shell middle part has first motor, the positive fixed mounting of first motor has first gear, first connecting strip and second connecting strip have been cup jointed from inside to outside in proper order to the activity to the front and back end of spacing shell, the equal activity of lower extreme of first connecting strip and second connecting strip has cup jointed clean subassembly, the fixed mounting has flexible post about spacing shell bottom, the bottom fixed mounting of flexible post has the rectangle pole, the inboard fixed mounting of rectangle pole has the card strip.

Preferably, the inside middle fixed mounting of workstation has the second motor, the top fixed mounting of second motor has first helical gear, the meshing of first helical gear top has drive assembly, drive assembly's outer end screw thread has cup jointed the cooperation piece, the top fixed mounting of cooperation piece has spacing subassembly, the gyro wheel has been cup jointed in the activity of spacing subassembly.

Preferably, the movable assembly includes first movable block, the second movable block has been cup jointed in the lower extreme activity of first movable block, the top fixed mounting of second movable block has first spring, the bottom fixed mounting of second movable block has spacing, the lower extreme activity of spacing has been cup jointed the compression roller, the lower extreme at spacing shell is cup jointed in the activity of first movable block.

Preferably, the cleaning assembly comprises a connecting shaft, a cleaning roller is fixedly mounted in the middle of the connecting shaft, second gears and a left end are fixedly mounted at the front end and the rear end of the connecting shaft respectively, the connecting shaft is movably sleeved with the first connecting strip, the connecting shaft is movably sleeved with the second connecting strip, and the cleaning roller is made of sponge blocks.

Preferably, the number of the clamping strips is two, the clamping strips are symmetrically arranged at the front end and the rear end of the inner side of the rectangular rod, and the clamping strips are meshed with the second gear.

Preferably, the upper end and the first pinion rack meshing of first gear, the lower extreme and the second pinion rack meshing of first gear, first gear activity cup joints in the inside of spacing shell, first pinion rack cup joints with the left end movable assembly activity, the second pinion rack cup joints with the right-hand member movable assembly activity.

Preferably, the telescopic column can be compressed when being subjected to pressure in the vertical direction, and an included angle exists between the first connecting strip and the second connecting strip.

Preferably, the transmission assembly comprises a second bevel gear, a threaded rod is fixedly mounted in the middle of the second bevel gear, the second bevel gear is meshed with the first bevel gear, and the threaded rod is in threaded sleeve joint with the matching block.

Preferably, the limiting assembly comprises a first fixed block, a second fixed block is movably sleeved at the inner end of the first fixed block, a second spring is fixedly mounted at the outer end of the second fixed block, and the outer end of the bottom of the first fixed block is fixedly connected with the matching block.

Preferably, the idler wheel protrudes out of the inner end of the limiting assembly, the idler wheel is in contact with the outer side of the plate, and the number of the transmission assemblies, the number of the matching blocks and the number of the limiting assemblies are four.

The invention has the following beneficial effects:

1. according to the invention, through the structural matching of the hydraulic cylinder, the limiting shell, the pressing plate and the like, when the plates of the fiber plywood are pressed, the limiting shell is driven to press downwards through the hydraulic cylinder, the middle part of the plates are pressed firstly, and then the first gear is driven to rotate through the first motor, so that the first toothed plate and the second toothed plate move reversely, the pressing rollers at the bottoms of the two groups of movable assemblies reversely move and press the plates from the middle part to the two sides, so that the plates are not deviated, air between the plates can be removed, and a better pressing effect is achieved.

2. According to the invention, through the structural matching of the limiting shell, the second connecting strip, the telescopic column and the like, before the pressing of the fiber plywood plate, the hydraulic cylinder drives the limiting shell to move downwards, the cleaning component is firstly contacted with the plate, and under the limiting of the clamping strip and the pressure exerted by the hydraulic cylinder, the cleaning component at the bottom of the first connecting strip and the cleaning component at the bottom of the second connecting strip move reversely to clean the surface of the plate, so that the appearance of the pressed plate is prevented from being influenced by sundries adhered to the top.

3. According to the invention, through the arrangement of the transmission assembly, the matching block, the limiting assembly and other structures, when the plates of the fiber plywood are pressed, the first bevel gear is driven to rotate through the second motor, the first bevel gear drives the matching block to move, so that the limiting assembly is driven to move towards the middle of the top of the workbench to limit the plates, meanwhile, the telescopic limiting assembly can meet the requirements of the plates with different sizes when the limiting alignment is carried out, the arranged rollers can reduce the friction force between the telescopic limiting assembly and the plates, and the plates move under the action of the force when the two sides of the plates are stressed unequally, so that the limiting effect is ensured.

Drawings

FIG. 1 is a schematic overall view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the bottom structure of the position-limiting housing of the present invention;

FIG. 5 is a separate view of the internal structure of the spacing housing of the present invention;

FIG. 6 is a schematic view of a first motor according to the present invention;

FIG. 7 is a structural subdivision view of the movable element of the present invention;

FIG. 8 is a top view of the table of the present invention;

FIG. 9 is a separated view of the inner structure of the working table according to the present invention;

FIG. 10 is an enlarged view of the position B in FIG. 9 according to the present invention.

In the figure: 1. a work table; 2. a support column; 3. a hydraulic cylinder; 4. a limiting shell; 5. pressing a plate; 6. a movable component; 61. a first movable block; 62. a first spring; 63. a second movable block; 64. a limiting frame; 7. pressing rollers; 8. a first gear; 9. a first toothed plate; 10. a second toothed plate; 11. a first motor; 12. a first connecting bar; 13. a second connecting strip; 14. a telescopic column; 15. a rectangular bar; 16. clamping the strip; 17. a cleaning assembly; 171. a connecting shaft; 172. a second gear; 173. a cleaning roller; 18. a second motor; 19. a first helical gear; 20. a transmission assembly; 201. a second helical gear; 202. a threaded rod; 21. a matching block; 22. a limiting component; 221. a first fixed block; 222. a second spring; 223. a second fixed block; 23. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, an embodiment of the present invention provides a pressing device for producing a fiber plywood, including a workbench 1, a support column 2 and a hydraulic cylinder 3, wherein a limiting shell 4 is fixedly installed at the bottom of the hydraulic cylinder 3, a pressing plate 5 is fixedly installed in the middle of the bottom of the limiting shell 4, movable components 6 are movably sleeved at both left and right ends of the bottom of the limiting shell 4, a pressing roller 7 is movably sleeved at the lower end of each movable component 6, a second toothed plate 10 is fixedly installed at the right side of the left movable component 6, a first toothed plate 9 is fixedly installed at the left side of the right movable component 6, a first motor 11 is fixedly installed at the rear end of the middle part of the limiting shell 4, a first gear 8 is fixedly installed at the front side of the first motor 11, a first connecting strip 12 and a second connecting strip 13 are movably sleeved at the front and rear ends of the limiting shell 4 from inside to outside in sequence, a cleaning component 17 is movably sleeved at both lower ends of the first connecting strip 12 and the second connecting strip 13, telescopic columns 14 are fixedly installed at left and right sides of the bottom of the limiting shell 4, a rectangular rod 15 is fixedly installed at the bottom of the rectangular rod 15;

the working principle and the beneficial effects of the technical scheme are as follows: make spacing shell 4 and clamp plate 5 lapse through the pneumatic cylinder 3 that sets up carry out the pressfitting to the middle part of panel, make the gas that receives pressure remove to both ends, and carry out the pressfitting to the both ends of panel at the in-process that compression roller 7 removed to both sides, the gaseous exhaust of being convenient for, the inlayer that also can prevent panel simultaneously produces the skew, and at the pressfitting in-process, clean subassembly 17 can with panel surface contact, and reach clear purpose through the rotation, prevent that surperficial debris from being pressfitting to panel.

As shown in fig. 8 and 9, in one embodiment, a second motor 18 is fixedly installed in the middle inside the workbench 1, a first bevel gear 19 is fixedly installed at the top of the second motor 18, a transmission assembly 20 is engaged at the top of the first bevel gear 19, an outer end of the transmission assembly 20 is in threaded sleeve connection with a matching block 21, a top of the matching block 21 is fixedly installed with a limiting assembly 22, and an inner end of the limiting assembly 22 is movably sleeved with a roller 23;

the working principle and the beneficial effects of the technical scheme are as follows: second motor 18 through setting up drives first helical gear 19 and rotates, first helical gear 19 drives drive assembly 20 and rotates, thereby make four spacing subassemblies 22 can move to the inboard in step, it is spacing to panel, and the spacing subassembly 22 that sets up is extending structure, can be when spacing to panel through the different long wide panel of flexible adaptation of spacing subassembly 22, application scope is wider, it is spacing to the extrusion of panel simultaneously, the gyro wheel 23 of setting can receive the panel activity of lateral pressure through the normal running fit, guarantee better result of use.

As shown in fig. 7, in one embodiment, the movable assembly 6 includes a first movable block 61, a second movable block 63 is movably sleeved on a lower end of the first movable block 61, a first spring 62 is fixedly mounted on a top of the second movable block 63, a limiting frame 64 is fixedly mounted on a bottom of the second movable block 63, a pressing roller 7 is movably sleeved on a lower end of the limiting frame 64, and the first movable block 61 is movably sleeved on a lower end of the limiting housing 4;

the working principle and the beneficial effects of the technical scheme are as follows: through the first movable block 61 of the activity that sets up at the lower extreme of spacing shell 4, can cooperate with first pinion rack 9 and second pinion rack 10, the rotation through first gear 8 drives first pinion rack 9 and the synchronous motion in opposite directions of second pinion rack 10, and first movable block 61, first spring 62 and the cooperation of second movable block 63 can stretch out and draw back, can carry out the pressfitting to panel after guaranteeing movable assembly 6 to remove, and simultaneously, second pinion rack 10 is avoided in the inside position of first movable block 61 in first spring 62 distribution, first spring 62 removes on the panel the pressure to panel is the same with the pressure of clamp plate 5 to panel.

As shown in fig. 2, in one embodiment, the cleaning assembly 17 includes a connecting shaft 171, a cleaning roller 173 is fixedly mounted in the middle of the connecting shaft 171, second gears 172 are fixedly mounted at the front and rear ends of the connecting shaft 171, the left connecting shaft 171 is movably sleeved with the first connecting bar 12, the right connecting shaft 171 is movably sleeved with the second connecting bar 13, and the cleaning roller 173 is made of a sponge block;

the working principle and the beneficial effects of the technical scheme are as follows: through the cooperation of the second gear 172 that sets up and card strip 16, can be spacing to second gear 172 through card strip 16 when cleaning roller 173 receives pressure with panel contact, the first connecting strip 12 and the second connecting strip 13 of cooperation slope can make cleaning assembly 17 remove to both sides and the cleaning assembly 17 clockwise turning of left end, the cleaning assembly 17 anticlockwise turning of right-hand member guarantees clean effect, and the cleaning roller 173 that the sponge piece was made is less with the frictional force of panel, it is clean to more convenient rotate.

As shown in fig. 2, in one embodiment, two clamping bars 16 are symmetrically arranged at the front end and the rear end of the inner side of the rectangular rod 15, and the clamping bars 16 are engaged with the second gear 172;

the working principle and the beneficial effects of the technical scheme are as follows: through the meshing of the clamping strip 16 and the second gear 172, the clamping strip 16 limits the cleaning component 17, so that the cleaning component 17 at the left end rotates clockwise, and the cleaning component 17 at the right end rotates anticlockwise.

As shown in fig. 6, in one embodiment, the upper end of the first gear 8 is engaged with the first toothed plate 9, the lower end of the first gear 8 is engaged with the second toothed plate 10, the first gear 8 is movably sleeved inside the limiting housing 4, the first toothed plate 9 is movably sleeved with the left movable assembly 6, and the second toothed plate 10 is movably sleeved with the right movable assembly 6;

the working principle and the beneficial effects of the technical scheme are as follows: through first gear 8, the cooperation of first pinion rack 9 and second pinion rack 10, can make first pinion rack 9 and the synchronous motion in opposite directions of second pinion rack 10 when first gear 8 rotates, guarantee the uniformity of removal, first gear 8 can only rotate, guarantee the stability of structure, first pinion rack 9 cup joints with the activity of left end movable assembly 6, second pinion rack 10 cup joints with the activity of right-hand member movable assembly 6, guarantee that the scope that first pinion rack 9 and second pinion rack 10 removed is wider, guarantee better practical function.

As shown in fig. 1 and 3, in one embodiment, the telescopic column 14 can be compressed when being pressed in a vertical direction, and an included angle is formed between the first connecting strip 12 and the second connecting strip 13;

the working principle and the beneficial effects of the technical scheme are as follows: through the contained angle between first connecting strip 12 and the second connecting strip 13, and first connecting strip 12 and second connecting strip 13 carry out perpendicular symmetry with the mid point of spacing shell 4 on the elevation view, consequently clean subassembly 17 can remove when receiving pressure, and the direction of removal can make the contained angle increase between first connecting strip 12 and the second connecting strip 13 to when not atress, the power of flexible post 14 reconversion can drive two clean subassemblies 17 reconversion.

As shown in fig. 10, in one embodiment, the transmission assembly 20 includes a second bevel gear 201, a threaded rod 202 is fixedly installed in the middle of the second bevel gear 201, the second bevel gear 201 is engaged with the first bevel gear 19, and the threaded rod 202 is in threaded sleeve connection with the mating block 21;

the working principle and the beneficial effects of the technical scheme are as follows: the second bevel gear 201 and the first bevel gear 19 are meshed to play a role in transmission, and the threaded rod 202 sleeved by the threads and the matching block 21 are matched to drive the matching block 21 to move when the transmission assembly 20 rotates, so that the stability of the structure is ensured.

As shown in fig. 9, in an embodiment, the limiting assembly 22 includes a first fixing block 221, an inner end of the first fixing block 221 is movably sleeved with a second fixing block 223, an outer end of the second fixing block 223 is fixedly mounted with a second spring 222, and an outer end of the bottom of the first fixing block 221 is fixedly connected with the mating block 21;

the working principle and the beneficial effects of the technical scheme are as follows: through the spacing subassembly 22 that can stretch out and draw back that sets up, can be when extrudeing panel spacingly, the shrink through second spring 222 makes spacing subassembly 22 wholly shorten, and according to the mutual principle of power, the power that the spacing subassembly 22 of symmetry one end received should be mutual this moment to reach panel stable by spacing intermediate position at workstation 1 top.

As shown in fig. 9, in one embodiment, the roller 23 protrudes from the inner end of the limiting component 22, the roller 23 contacts with the outer side of the plate, and the number of the transmission components 20, the matching blocks 21 and the limiting components 22 is four;

the working principle and the beneficial effects of the technical scheme are as follows: through the gyro wheel 23 that sets up can be when spacing subassembly 22 produces pressure to panel, drive panel by mobilizable gyro wheel 23's rotation and remove the equilibrium point that reaches power, guarantee that panel can be located the centre at workstation 1 top all the time.

The working principle and the using process are as follows:

when the fiber plywood is pressed, firstly, the board which is brushed with the glue is placed at the top of the workbench 1, then the second motor 18 is started to drive the first bevel gear 19 to rotate, the first bevel gear 19 drives the four groups of transmission assemblies 20 to rotate, the transmission assemblies 20 drive the limiting assemblies 22 to move through the matching blocks 21, the board is extruded and limited, in the process of extruding the board, the limiting assemblies 22 are gradually compressed, and the board is kept in the middle of the top of the workbench 1 under the elastic force action of the second spring 222;

the hydraulic cylinder 3 is started to drive the limiting shell 4 to move downwards, the cleaning component 17 is firstly contacted with the plate and moves towards two sides under the action of pressure, the cleaning component 17 at the lower end of the first connecting strip 12 moves leftwards and rotates clockwise, the cleaning component 17 at the lower end of the second connecting strip 13 moves rightwards and rotates anticlockwise, and the telescopic column 14 is gradually compressed;

the pressing plate 5 is in contact with the plate and presses the plate, the hydraulic cylinder 3 is stopped at the moment, the first motor 11 is started, the first gear 8 rotates to drive the two movable assemblies 6 to move towards two sides respectively through the first toothed plate 9 and the second toothed plate 10, and the pressing roller 7 is in contact with the top of the plate and presses the plate from the middle to two sides.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compression fittings is used in production of fibre plywood, includes workstation (1), support column (2) and pneumatic cylinder (3), its characterized in that: the utility model discloses a pneumatic cylinder, including pneumatic cylinder (3), the bottom fixed mounting of pneumatic cylinder (3) has spacing shell (4), the middle fixed mounting of spacing shell (4) bottom has clamp plate (5), movable assembly (6) have been cup jointed in the equal activity in both ends about spacing shell (4) bottom, compression roller (7) have been cup jointed in the lower extreme activity of movable assembly (6), the left end the right side fixed mounting of movable assembly (6) has second pinion rack (10), the right-hand member the left side fixed mounting of movable assembly (6) has first pinion rack (9), the rear end fixed mounting at spacing shell (4) middle part has first motor (11), the positive fixed mounting of first motor (11) has first gear (8), the front and back end of spacing shell (4) has first connecting strip (12) and second connecting strip (13) from inside to outside in proper order the activity cup jointed, the equal activity of lower extreme of first connecting strip (12) and second connecting strip (13) cup joints rectangle cleaning assembly (17), the left and right sides of spacing shell (4) bottom is installed telescopic column (14), the fixed mounting of telescopic column (14) has fixed rod (15), inboard fixed mounting of clamping bar (16).

2. The laminating device for fiber plywood production of claim 1, wherein: the middle fixed mounting of workstation (1) inside has second motor (18), the top fixed mounting of second motor (18) has first helical gear (19), first helical gear (19) top meshing has drive assembly (20), the outer end screw thread of drive assembly (20) has cup jointed cooperation piece (21), the top fixed mounting of cooperation piece (21) has spacing subassembly (22), gyro wheel (23) have been cup jointed in the activity of the inner of spacing subassembly (22).

3. The laminating device for fiber plywood production of claim 1, wherein: activity subassembly (6) are including first movable block (61), second movable block (63) have been cup jointed in the lower extreme activity of first movable block (61), the top fixed mounting of second movable block (63) has first spring (62), the bottom fixed mounting of second movable block (63) has spacing (64), compression roller (7) have been cup jointed in the lower extreme activity of spacing (64), the lower extreme at spacing shell (4) is cup jointed in first movable block (61) activity.

4. The laminating device for fiber plywood production of claim 1, wherein: cleaning assembly (17) includes connecting axle (171), the middle part fixed mounting of connecting axle (171) has cleaning roller (173), the equal fixed mounting in both ends has second gear (172), left end around connecting axle (171) and first connecting strip (12) activity cup joint, the right-hand member connecting axle (171) and second connecting strip (13) activity cup joint, cleaning roller (173) are made for the sponge piece.

5. The laminating device for fiber plywood production of claim 1, wherein: the number of the clamping strips (16) is two, the clamping strips are symmetrically arranged at the front end and the rear end of the inner side of the rectangular rod (15), and the clamping strips (16) are meshed with the second gear (172).

6. A press-fit device for fibre plywood production according to claim 1, characterized in that: the upper end and the first pinion rack (9) meshing of first gear (8), the lower extreme and the second pinion rack (10) meshing of first gear (8), first gear (8) activity is cup jointed in the inside of spacing shell (4), first pinion rack (9) and left end movable assembly (6) activity are cup jointed, second pinion rack (10) and right-hand member movable assembly (6) activity are cup jointed.

7. The laminating device for fiber plywood production of claim 1, wherein: the telescopic column (14) can be compressed when being stressed in the vertical direction, and an included angle exists between the first connecting strip (12) and the second connecting strip (13).

8. A press-fit device for fibre plywood production according to claim 2, characterized in that: the transmission assembly (20) comprises a second bevel gear (201), a threaded rod (202) is fixedly mounted in the middle of the second bevel gear (201), the second bevel gear (201) is meshed with the first bevel gear (19), and the threaded rod (202) is in threaded sleeve joint with a matching block (21).

9. A press-fit device for fibre plywood production according to claim 2, characterized in that: spacing subassembly (22) include first fixed block (221), second fixed block (223) have been cup jointed in the inner activity of first fixed block (221), the outer end fixed mounting of second fixed block (223) has second spring (222), the outer end and the cooperation piece (21) fixed connection of first fixed block (221) bottom.

10. A press-fit device for fibre plywood production according to claim 2, characterized in that: the roller (23) protrudes out of the inner end of the limiting assembly (22), the roller (23) is in contact with the outer side of the plate, and the number of the transmission assemblies (20), the number of the matching blocks (21) and the number of the limiting assemblies (22) are four.