CN211221254U

CN211221254U - Edge sealing pinch roller device for gypsum board

Info

Publication number: CN211221254U
Application number: CN201921926091.6U
Authority: CN
Inventors: 张明全; 程元峰
Original assignee: Taishan Gypsum Dongying Co ltd
Current assignee: Taishan Gypsum Dongying Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-11
Anticipated expiration: 2029-11-08

Abstract

The utility model provides a sealing edge pinch roller device for gypsum boards, which solves the problem that the pressure of an upper pinch roller or a lower pinch roller on the gypsum boards can not be flexibly adjusted when the prior art seals the edges of the gypsum boards, the upper pinch roller and the lower pinch roller are correspondingly arranged at intervals from top to bottom, the upper pinch roller is rotationally connected with an upper pressure arm, and the lower pinch roller is rotationally connected with a lower pressure arm; the upper frame body and the lower frame body are arranged at intervals up and down, the upper frame body is connected with the bracket, and the bracket is connected with the lower frame body; an upper pressure arm positioned on one side of the upper pressure wheel is hinged with the bracket, the upper pressure arm positioned on the other side of the upper pressure wheel is connected with one end of an upper elastic adjustable spring device, and the other end of the upper elastic adjustable spring device is connected with the upper bracket body; the lower pressing arm positioned on one side of the lower pressing wheel is hinged with the support, the lower pressing arm positioned on the other side of the lower pressing wheel is connected with one end of the lower elastic adjustable spring device, and the other end of the lower elastic adjustable spring device is connected with the lower support, so that the lower elastic adjustable spring device can be widely applied to the technical field of gypsum board production.

Description

Edge sealing pinch roller device for gypsum board

Technical Field

The utility model relates to a gypsum board production technical field, in particular to banding pinch roller device for gypsum board.

Background

The gypsum board is used as a light building board, is mainly used for indoor suspended ceilings, light partition walls and decoration of buildings due to the characteristics of high strength, light weight, fire resistance, environmental protection, good decoration effect, convenience in processing and the like, and becomes a novel building decoration material which is energy-saving, waste-utilizing, green and environment-friendly and has the greatest development potential in the field of building decoration.

At present, in order to prevent a gypsum board from moving on a roller way in edge sealing equipment, an existing edge sealing pinch roller device is provided with an upper pinch roller, a lower pinch roller, an upper pressure arm and a lower pressure arm which are correspondingly arranged up and down, wherein the upper pinch roller and the lower pressure roller respectively press the upper surface and the lower surface of the gypsum board; the edge sealing pinch roller device is also provided with a spring which draws the upper pinch roller and the lower pinch roller to the direction of the gypsum board. Above-mentioned device is in the in-service use process, has following defect, can't be according to actual conditions, through the nimble pressure of adjusting the pinch roller or pushing down the wheel to the gypsum board of spring.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned technique, provide a banding pinch roller device for gypsum board, through the nimble regulation of spring on pinch roller or the pressure of pushing down the wheel to the gypsum board, satisfy the demand of gypsum board banding.

Therefore, the utility model provides a gypsum board edge sealing pinch roller device, which is provided with an upper pinch roller, a lower pinch roller, an upper pressure arm and a lower pressure arm, wherein the upper pinch roller and the lower pressure roller are correspondingly arranged at intervals from top to bottom, the upper pinch roller is used for compressing the upper surface of a gypsum board, and the lower pressure roller is used for compressing the lower surface of the gypsum board; the upper pressing wheel is rotationally connected with the upper pressing arm, and the lower pressing wheel is rotationally connected with the lower pressing arm; the utility model is also provided with an upper frame body, a lower frame body, a bracket, an upper elastic adjustable spring device and a lower elastic adjustable spring device, wherein the upper frame body and the lower frame body are arranged at a relative interval from top to bottom, the upper frame body is connected with the bracket, and the bracket is connected with the lower frame body; an upper pressure arm positioned on one side of the upper pressure wheel is hinged with the bracket, the upper pressure arm positioned on the other side of the upper pressure wheel is connected with one end of an upper elastic adjustable spring device, and the other end of the upper elastic adjustable spring device is connected with the upper bracket body; the lower pressing arm positioned on one side of the lower pressing wheel is hinged with the bracket, the lower pressing arm positioned on the other side of the lower pressing wheel is connected with one end of the lower elastic adjustable spring device, and the other end of the lower elastic adjustable spring device is connected with the lower bracket.

Preferably, the upper elastic adjustable spring device is provided with a first bolt, a first nut, a first annular sleeve, a first spring, a first annular gasket and a second nut; the upper end of the first bolt penetrates through the upper frame body and then is in threaded connection with the first nut, and the lower end of the first bolt is connected with the first annular sleeve; the upper frame body is provided with a first through hole, the upper end of the first bolt penetrates through the first through hole and extends out, and the first bolt can slide up and down in the first through hole; a first spring, a first annular gasket and a second nut are sequentially sleeved on a first bolt positioned between the upper frame body and the first annular sleeve from top to bottom; one end of the first spring is connected with the upper frame body, the other end of the first spring is connected with the first annular gasket, the first annular gasket is connected with the second nut, and the second nut is in threaded connection with the first bolt; the upper pressure arm on the other side of the upper pressure wheel is provided with a first connecting post which is sleeved in an annular hole hinged in the first annular sleeve.

Preferably, the annular hole of the first annular sleeve is larger than the size of the first connecting column.

Preferably, the lower elastic adjustable spring device is provided with a second bolt, a third nut, a second annular sleeve, a second spring, a second annular gasket and a fourth nut; the lower end of the second bolt penetrates through the lower frame body and then is in threaded connection with the third nut, and the upper end of the second bolt is connected with the second annular sleeve; the lower frame body is provided with a second through hole, the lower end of a second bolt penetrates through the second through hole and extends out, and the second bolt can slide up and down in the second through hole; a second spring, a second annular gasket and a fourth nut are sequentially sleeved on a second bolt positioned between the lower frame body and the second annular sleeve from bottom to top; one end of the second spring is connected with the lower frame body, the other end of the second spring is connected with a second annular gasket, the second annular gasket is connected with a fourth nut, and the fourth nut is in threaded connection with a second bolt; the lower pressing arm positioned at the other side of the lower pressing wheel is provided with a second connecting column which is sleeved and hinged in an annular hole of the second annular sleeve.

Preferably, the annular hole is positioned in the annular hole of the second annular sleeve, and the size of the annular hole of the second annular sleeve is larger than that of the second connecting column.

Preferably, a boss is arranged on one side of the upper pressing wheel or the lower pressing wheel, which is far away from the working surface of the upper pressing wheel or the lower pressing wheel.

Preferably, the mounting plate is further provided with a mounting through hole, and the mounting plate is connected with the lower frame body.

Preferably, the mounting through-hole is a bar-shaped through-hole.

Preferably, the length direction of the mounting through hole is consistent with the axial direction of the upper pressing wheel or the lower pressing wheel.

The utility model has the advantages that: the utility model provides a banding pinch roller device for gypsum board, it is equipped with pinch roller, pinch roller down, goes up the pressure arm, presses the arm down, goes up the support body, support, goes up elasticity adjustable spring device, elasticity adjustable spring device down, on the one hand, through installing elasticity adjustable spring device or elasticity adjustable spring device down, pinch roller or the pressure of pinch roller pair gypsum board down in nimble regulation satisfy the demand of gypsum board banding. On the other hand, according to lever principle, go up elasticity adjustable spring device through last pressure arm, when going up the pinch roller and applying the same downward effort to the gypsum board, compare elasticity adjustable spring device's position setting between first pivot and last pinch roller, the utility model discloses to go up elasticity adjustable spring device and set up in the position apart from the more distal end of first pivot (compare with the position of last pinch roller promptly), its power of exerting downwards is littleer, elasticity adjustable spring device in effectual protection on overall structure designs to elasticity adjustable spring device's life in effective extension reduces the equipment failure's of gypsum board banding process emergence. The third sets up the support, and the support sets up support body and lower support body fixed connection with relative interval from top to bottom respectively, sets up the last pressure arm with upper and lower interval respectively and hinge with the pressure arm down, makes the utility model discloses structure is simpler on the whole, uses more in a flexible way, is convenient for transport, installation and dismantlement.

Drawings

Fig. 1 is a schematic structure of a front view of the present invention (gypsum board loaded state);

FIG. 2 is a schematic structural view of the right side view shown in FIG. 1 (gypsum board loaded condition);

FIG. 3 is a schematic structural view of the top view shown in FIG. 2 (gypsum board loaded condition);

fig. 4 is a schematic structural diagram of a front view of the upper pressing wheel or the lower pressing wheel in the present invention;

FIG. 5 is a schematic structural view of the left side view shown in FIG. 4;

fig. 6 is a schematic diagram of the right side view of fig. 4.

The labels in the figure are: 1. the hydraulic press comprises an upper press wheel, 2, a lower press wheel, 3, an upper press arm, 4, a lower press arm, 5, an upper frame body, 6, a lower frame body, 7, a bracket, 8, an upper elastic adjustable spring device, 9, a lower elastic adjustable spring device, 10, a gypsum board, 11, a first rotating shaft, 12, a second rotating shaft, 13, a first bolt, 14, a first nut, 15, a first annular sleeve, 16, a first spring, 17, a first annular gasket, 18, a second nut, 19, a first through hole, 20, a first connecting column, 21, an annular hole of the first annular sleeve, 22, a second bolt, 23, a third nut, 24, a second annular sleeve, 25, a second spring, 26, a second annular gasket, 27, a fourth nut, 28, a second through hole, 29, a second connecting column, 30, an annular hole of the second annular sleeve, 31, a working surface, 32, 33, 34, a mounting through hole, 35. and a bearing.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

Shown by fig. 1-3, the utility model provides a banding pinch roller device for gypsum board, it is equipped with pinch roller 1, lower pinch roller 2, goes up pressure arm 3, lower pressure arm 4, goes up support body 5, lower support body 6, support 7, goes up elasticity adjustable spring device 8, elasticity adjustable spring device 9 down. The upper pressing wheel 1 and the lower pressing wheel 2 are arranged in a vertically spaced corresponding mode, the upper pressing wheel 1 is used for pressing the upper surface of the gypsum board 10, the lower pressing wheel 2 is used for pressing the lower surface of the gypsum board 10, and the upper pressing wheel 1 is rotatably connected with the upper pressing arm 3; the lower pinch roller 2 is rotatably connected with a lower pinch arm 4. The upper pressing wheel 1 and the lower pressing wheel 2 are used for pressing the edge sealing belt of the gypsum board 10 in a cooperative mode to complete the pressing work of the edge sealing of the gypsum board 10. The upper frame body 5 and the lower frame body 6 are arranged at an upper-lower relative interval, the upper frame body 5 is connected with the support 7, the support 7 is connected with the lower frame body 6, and generally, the upper frame body 5 and the lower frame body 6 are fixedly connected through the support 7. An upper pressure arm 3 positioned on one side of the upper pressure wheel 1 is hinged with a bracket 7 and is connected with the bracket through a first rotating shaft 11; the upper pressure arm 3 positioned at the other side of the upper pressure wheel 1 is connected with one end of an upper elastic adjustable spring device 8, and the other end of the upper elastic adjustable spring device 8 is connected with the upper frame body 5. The lower pressing arm 4 positioned at one side of the lower pressing wheel 2 is hinged with the bracket 7 and is connected with the bracket through a second rotating shaft 12; the lower pressing arm 4 positioned at the other side of the lower pressing wheel 2 is connected with one end of a lower elastic adjustable spring device 9, and the other end of the lower elastic adjustable spring device 9 is connected with the lower frame body 6.

The utility model discloses in the use, by figure 1 ~ 3 show, the banding position of gypsum board 10 lies in pinch roller 1 and pushes down between the wheel 2, under the effect of last elasticity adjustable spring device 8 and lower elasticity adjustable spring device 9, goes up pinch roller 1 and pushes down wheel 2 and compresses tightly the banding area of gypsum board 10 in coordination, accomplishes the work that compresses tightly of the banding of gypsum board 10. The upper and lower elastically adjustable spring means 8, 9 may be commercially available devices capable of varying the spring force of the spring without replacing the spring, such as the one disclosed in the patent application No. 2015100589383; the invention patent with application number 2015100589256 discloses an adjustable spring; the utility model discloses an adjustable spring assembly, etc. of utility model patent application No. 2011205338571. Through installing elasticity adjustable spring assembly 8 and elasticity adjustable spring assembly 9 down, pinch roller 1 or pinch roller 2 satisfy the demand of gypsum board 10 banding in the nimble regulation to the pressure of gypsum board 10.

It should be emphasized that, the second invention point of the above technical solution is to arrange the upper pressing wheel 1 and the upper elastic adjustable spring device 8 connected with the upper pressing arm 3 on the same side of the first rotating shaft 11, and the position of the upper elastic adjustable spring device 8 is arranged at the farther end from the first rotating shaft 11 relative to the position of the upper pressing wheel 1; according to lever principle, go up adjustable spring assembly 8 of elasticity and successively through last pressure arm 3, when going up pinch roller 1 and applying the same downward effort to gypsum board 10, compare the position setting of adjustable spring assembly 8 of elasticity between first pivot 11 and last pinch roller 1, the utility model discloses with last adjustable spring assembly 8 setting in apart from the position of 11 more distal ends of first pivot (compare with the position of last pinch roller 1 promptly), its power of exerting downwards is littleer, on the effectual protection of overall structure design adjustable spring assembly 8 of elasticity, thereby effectively prolong the life of adjustable spring assembly 8 of elasticity, reduce the emergence of the equipment trouble of gypsum board 10 banding process, reduce because of shutting down the loss that overhauls and cause. In addition, the lower pressing wheel 2 connected with the lower pressing arm 4 and the lower elastic adjustable spring device 9 are arranged on the same side of the second rotating shaft 12, and the position of the lower elastic adjustable spring device 9 is arranged at the farther end from the second rotating shaft 12 relative to the position of the lower pressing wheel 2; the working principle and the like of the structural design are the same as those of the upper elastic adjustable spring device 8, and the description is not repeated here. The third invention point of the above technical scheme of the utility model is that setting up the support 7, the support 7 is respectively with upper support 5 and lower support 6 fixed connection that relative interval set up from top to bottom, and respectively with the upper pressure arm 3 and the lower pressure arm 4 that the interval set up from top to bottom articulated, make the utility model discloses structure is simpler on the whole, uses more in a flexible way, is convenient for transportation, installation and dismantlement.

The upper spring-adjustable spring device 8 or the lower spring-adjustable spring device 9 of the present invention can be further optimized, as shown in fig. 1 to 3, by adopting the following means:

the upper elastic adjustable spring device 8 is provided with a first bolt 13, a first nut 14, a first annular sleeve 15, a first spring 16, a first annular gasket 17 and a second nut 18; the upper end of the first bolt 13 penetrates through the upper frame body 5 and then is in threaded connection with the first nut 14, and the lower end of the first bolt 13 is connected with the first annular sleeve 15; the upper frame body 5 is provided with a first through hole 19, the upper end of the first bolt 13 penetrates through the first through hole 19 and extends out, and the first bolt 13 can slide up and down in the first through hole 19. A first spring 16, a first annular gasket 17 and a second nut 18 are sequentially sleeved on the first bolt 13 positioned between the upper frame body 5 and the first annular sleeve 15 from top to bottom; one end of a first spring 16 is connected with the upper frame body 5, the other end of the first spring 16 is connected with a first annular gasket 17, the first annular gasket 17 is connected with a second nut 18, and the second nut 18 is in threaded connection with the first bolt 13; the upper pressing arm 3 on the other side of the upper pressing wheel 1 is provided with a first connecting post 20, and the first connecting post 20 is sleeved and hinged in an annular hole 21 of the first annular sleeve 15. The utility model discloses when using, when changing 10 specifications of gypsum board, when its thickness changes, can be through rotatory first nut 14, drive first bolt 13 and first annular cover 15 and rise or descend, thereby drive the first spliced pole 20 of last pressure arm 3 in the first annular cover 15 and rise or descend round first pivot 11, the rising or the decline of going up pressure arm 3 are driving the rising or the decline of going up pressure wheel 1, thereby the distance increase between pressure wheel 1 and the lower pressure wheel 2 is gone up in the realization or is dwindled, thereby satisfy the demand of the 10 banding of gypsum board of different thickness. In addition, when the second nut 18 is not moved, by rotating the first nut 14, not only the ascending or descending of the upper press wheel 1 can be realized, but also the degree of compression of the first spring 16 between the upper frame body 5 and the first annular gasket 17 can be adjusted, and the acting force of the upper press wheel 1 on the upper surface of the gypsum board 10 can be increased or reduced. In addition, when the first nut 14 is not moved, the degree of compression of the first spring 16 between the upper frame 5 and the first annular spacer 17 can be adjusted by rotating the second nut 18, so as to increase or decrease the acting force of the upper press wheel 1 on the upper surface of the gypsum board 10. In addition, when the gypsum board 10 has a large upward force on the upper pressing wheel 1 during the edge sealing process in the longitudinal direction instantaneously (this will not occur basically because the field operator can adjust the elastic force of the first spring 16 during the installation of the edge sealing pressing wheel device to keep the downward pressure of the upper pressing wheel 1 on the gypsum board 10 as large as possible within a reasonable range), the gypsum board 10 pushes the upper pressing wheel 1 to move upward, the upper pressing wheel 1 moves upward to drive the first bolt 13 to move upward, the distance between the upper frame body 5 and the first annular gasket 17 is shortened to compress the first spring 16, the elastic force of the first spring 16 is increased to increase the downward pressure of the upper pressing wheel 1 on the gypsum board 10, when the downward pressure of the upper pressing wheel 1 on the gypsum board 10 is increased to be equal to the upward force of the gypsum board 10 on the upper pressing wheel 1, the gypsum board 10 is in a static state; when the large scraping action of the plasterboard 10 which occurs instantaneously in the longitudinal direction during the edge sealing process disappears, the plasterboard 10 is pushed back to the original working position by the elastic force of the first spring 16. As a further preference, inside the annular hole 21 of the first annular sleeve 15, the size of the annular hole 21 of the first annular sleeve 15 is greater than the size of the first connecting post 20; when the first annular sleeve 15 is driven by the first bolt 13 to ascend or descend, the first connecting column 20 of the upper press arm 3 is smaller than the annular hole of the first annular sleeve 15 in the annular hole of the first annular sleeve 15, which is more favorable for the upper press arm 3 to ascend or descend around the first rotating shaft 11.

The lower elastic adjustable spring device 9 is provided with a second bolt 22, a third nut 23, a second annular sleeve 24, a second spring 25, a second annular gasket 26 and a fourth nut 27; the lower end of the second bolt 22 penetrates through the lower frame body 6 and then is in threaded connection with the third nut 23, the upper end of the second bolt 22 is connected with the second annular sleeve 24, the lower frame body 6 is provided with a second through hole 28, the lower end of the second bolt 22 penetrates through the second through hole 28 and extends out, and the second bolt 22 can slide up and down in the second through hole 28. A second spring 25, a second annular gasket 26 and a fourth nut 27 are sequentially sleeved on the second bolt 22 between the lower frame body 6 and the second annular sleeve 24 from bottom to top; one end of the second spring 25 is connected with the lower frame body 6, the other end of the second spring 25 is connected with a second annular gasket 26, the second annular gasket 26 is connected with a fourth nut 27, and the fourth nut 27 is in threaded connection with the second bolt 22; the lower pressing arm 4 positioned at the other side of the lower pressing wheel 2 is provided with a second connecting column 29, and the second connecting column 29 is sleeved and hinged in an annular hole 30 of the second annular sleeve 24. The utility model discloses when using, when changing gypsum board 10 specifications, when its thickness changes, can be through rotatory third nut 23, it rises or descends to drive second bolt 22 and second annular cover 24, thereby it rises or descends round second pivot 12 to drive the second spliced pole 29 of the arm 4 of pushing down in the second annular cover 24, the rising or the decline of the arm 4 of pushing down is driving the rising or the decline of the wheel 2 of pushing down, thereby it increases or reduces to realize going up the distance between pinch roller 1 and the wheel 2 of pushing down, thereby satisfy the demand of the gypsum board 10 banding of different thickness. In addition, when the fourth nut 27 is not moved, the third nut 23 is rotated to not only raise or lower the lower pressing wheel 2, but also adjust the degree of compression of the second spring 25 between the lower frame body 6 and the second annular gasket 26 to increase or decrease the acting force of the lower pressing wheel 2 on the lower surface of the gypsum board 10. In addition, when the third nut 23 is not moved, the degree of compression of the second spring 25 between the lower frame 6 and the second annular gasket 26 can be adjusted by rotating the fourth nut 27, so as to increase or decrease the acting force of the lower pressing wheel 2 on the lower surface of the gypsum board 10. As a further preference, inside the annular hole 30 of the second annular sleeve 24, the size of the annular hole 30 of the second annular sleeve 24 is greater than the size of the second connecting column 29; when the second annular sleeve 24 is lifted or lowered by the second bolt 22, the second connecting column 29 of the pressing arm 4 is smaller than the annular hole 30 of the second annular sleeve 24 in the annular hole 30 of the second annular sleeve 24, which is more favorable for lifting or lowering the pressing arm 4 around the second rotating shaft 12.

As a further preference of this embodiment, the component structures, the connection relationships between the components, and the working principles thereof of the upper elastic adjustable spring device 8 and the lower elastic adjustable spring device 9 are the same, which facilitates the standardized matching of the components and reduces the production cost.

As a further preferred embodiment, as shown in fig. 4-6, a boss 32 is provided on a side of the upper pressing wheel 1 or the lower pressing wheel 2 away from the working surface 31, and the boss 32 has a function of positioning the working surface 31 and protecting the working surface 31 of the upper pressing wheel 1 or the lower pressing wheel 2 from being damaged by foreign objects.

As a further preferred embodiment, as shown in fig. 1 to 3, the present invention further includes a mounting plate 33, the mounting plate 33 has a mounting through hole 34, and the mounting plate 33 is connected, usually fixedly connected, with the lower frame 6; during mounting, the mounting plate 33 is fixed to the frame by inserting a commercially available bolt through the mounting through hole 34 and fitting a commercially available nut. As a further preference, the mounting through hole 34 is a strip-shaped through hole, which facilitates the mounting of the present invention on the rack through a commercially available bolt and a commercially available nut. As a further preference, the length direction of the mounting through hole 34 is consistent with the axial direction of the upper pinch roller 1 or the lower pinch roller 2; to having installed fixing bolt in the frame, the length direction setting that will install through-hole 34 is unanimous with the axis direction of last pinch roller 1 or pinch roller 2, can still use the frame on the basis of the original fixed commercially available bolt, according to the work needs, will the utility model discloses whole length direction along installation through-hole 34 is close to or keeps away from the banding of gypsum board 10, realizes going up pinch roller 1 or pinch roller 2 to the regulation of the area of contact size of the banding of gypsum board 10, improves the banding effect.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A sealing edge pressing wheel device for a gypsum board is provided with an upper pressing wheel, a lower pressing wheel, an upper pressing arm and a lower pressing arm, wherein the upper pressing wheel and the lower pressing wheel are correspondingly arranged at intervals up and down; the upper pressing wheel is rotationally connected with the upper pressing arm, and the lower pressing wheel is rotationally connected with the lower pressing arm; the device is characterized by also comprising an upper frame body, a lower frame body, a support, an upper elastic adjustable spring device and a lower elastic adjustable spring device, wherein the upper frame body and the lower frame body are arranged at intervals up and down relatively, the upper frame body is connected with the support, and the support is connected with the lower frame body; the upper pressing arm positioned on one side of the upper pressing wheel is hinged with the bracket, the upper pressing arm positioned on the other side of the upper pressing wheel is connected with one end of the upper elastic adjustable spring device, and the other end of the upper elastic adjustable spring device is connected with the upper frame body; the lower pressing arm positioned on one side of the lower pressing wheel is hinged with the bracket, the lower pressing arm positioned on the other side of the lower pressing wheel is connected with one end of the lower elastic adjustable spring device, and the other end of the lower elastic adjustable spring device is connected with the lower frame body.

2. The edge sealing pinch roller device for the gypsum board as claimed in claim 1, wherein the upper elastic adjustable spring device is provided with a first bolt, a first nut, a first annular sleeve, a first spring, a first annular gasket and a second nut; the upper end of the first bolt penetrates through the upper frame body and then is in threaded connection with the first nut, and the lower end of the first bolt is connected with the first annular sleeve; the upper frame body is provided with a first through hole, the upper end of the first bolt penetrates through the first through hole and extends out, and the first bolt can slide up and down in the first through hole; a first spring, a first annular gasket and a second nut are sequentially sleeved on the first bolt between the upper frame body and the first annular sleeve from top to bottom; one end of the first spring is connected with the upper frame body, the other end of the first spring is connected with the first annular gasket, the first annular gasket is connected with the second nut, and the second nut is in threaded connection with the first bolt; the upper pressing arm positioned on the other side of the upper pressing wheel is provided with a first connecting column, and the first connecting column is sleeved in an annular hole hinged to the first annular sleeve.

3. The edge sealing roller device for gypsum boards of claim 2, wherein the size of the annular hole of the first annular sleeve is larger than the size of the first connecting column.

4. An edge sealing pinch roller device for gypsum boards as claimed in any one of claims 1 to 3, wherein the lower elastically adjustable spring device is provided with a second bolt, a third nut, a second annular sleeve, a second spring, a second annular gasket, and a fourth nut; the lower end of the second bolt penetrates through the lower frame body and then is in threaded connection with the third nut, and the upper end of the second bolt is connected with the second annular sleeve; the lower frame body is provided with a second through hole, the lower end of the second bolt penetrates through the second through hole and extends out, and the second bolt can slide up and down in the second through hole; a second spring, a second annular gasket and a fourth nut are sequentially sleeved on the second bolt between the lower frame body and the second annular sleeve from bottom to top; one end of the second spring is connected with the lower frame body, the other end of the second spring is connected with the second annular gasket, the second annular gasket is connected with the fourth nut, and the fourth nut is in threaded connection with the second bolt; and the lower pressing arm positioned on the other side of the lower pressing wheel is provided with a second connecting column which is sleeved and hinged in an annular hole of the second annular sleeve.

5. An edge sealing pinch roller device for gypsum boards as claimed in claim 4, wherein the size of the annular hole of the second annular sleeve is larger than the size of the second connecting column.

6. The edge sealing and pressing wheel device for the gypsum board as claimed in claim 1, wherein a boss is provided on one side of the upper pressing wheel or the lower pressing wheel away from the working surface.

7. The edge sealing pinch roller device for the gypsum board as claimed in claim 1, wherein a mounting plate is further provided, the mounting plate is provided with a mounting through hole, and the mounting plate is connected with the lower frame body.

8. The edge sealing roller device for gypsum boards as claimed in claim 7, wherein the mounting through holes are strip-shaped through holes.

9. The edge sealing roller device for the gypsum board as claimed in claim 8, wherein the length direction of the mounting through holes is consistent with the axial direction of the upper roller or the lower roller.