Rolling mechanism

By using a design that combines a transmission component with an elastic component in the rolling mechanism, the problem of poor rolling effect on the raised part of the product in the existing rolling mechanism is solved, and a better rolling effect is achieved.

CN224075009UActive Publication Date: 2026-04-03SHENZHEN HANS FORTREND TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The existing rolling mechanism is not effective at pressing the peeling parts of the product film, and it is difficult to flatten them effectively.

Method used

A roller pressing mechanism is adopted, including a support base and a roller pressing assembly. The roller is connected to the roller pressing drive through a transmission component. An elastic element is set between the transmission component and the roller pressing drive. The roller moves under the action of the transmission component and presses the raised part of the product under the elastic tension of the elastic element to ensure sufficient roller pressure.

Benefits of technology

It improves the rolling effect on the raised parts of the product, ensuring that the rollers have sufficient rolling pressure during rolling to effectively flatten the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rolling mechanism which comprises a supporting seat used for supporting a product. The rolling assembly comprises a rolling driving part, a first elastic part, a transmission part and a rolling wheel, the rolling wheel is rotationally connected with one end of the transmission part, and the end, away from the rolling wheel, of the transmission part is rotationally connected with the driving end of the rolling driving part; the rolling driving piece drives the rolling wheels to move in the direction close to the product through the transmission piece, and in the moving direction of the rolling wheels, projections of part of the rolling wheels are overlapped with the product on the supporting base; and the first elastic piece is arranged between the transmission piece and the driving end of the rolling driving piece and provides elastic pulling force when the transmission piece rotates, so that the rolling wheel can tightly press the rolling part of the product. The rolling mechanism can apply enough rolling force to the product, so that the rolling effect on the product can be improved.
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Description

Technical Field

[0001] This utility model belongs to the field of product rolling technology, and more specifically, it relates to a rolling mechanism. Background Technology

[0002] In the processing of some products, it is necessary to apply a film to the product. However, after applying the film, local peeling is likely to occur. Currently, a roller pressing mechanism is generally used to press the peeling parts of the film on the product. However, the existing roller pressing mechanism is not effective in pressing the peeling parts of the product film. Utility Model Content

[0003] The present invention provides a roller pressing mechanism that can improve the roller pressing effect on the raised parts of a product.

[0004] The technical solution adopted in this utility model is a roller pressing mechanism, including:

[0005] Support base, used to support the product; and

[0006] A roller pressing assembly includes a roller pressing drive, a first elastic element, a transmission element, and a roller. One end of the roller is rotatably connected to the transmission element, and the end of the transmission element away from the roller is rotatably connected to the driving end of the roller pressing drive. The roller pressing drive can drive the roller to move towards the product through the transmission element, so that the roller acts on the product. In the direction of movement of the roller, a portion of the projection of the roller overlaps with the product on the support base, so that after the outer peripheral surface of the roller contacts the product, it can move away from the product under the action of the transmission element.

[0007] The first elastic element is provided between the transmission component and the driving end of the roller pressing drive component. The first elastic element provides elastic tension when the transmission component rotates, so that the roller can press the roller pressing part of the product.

[0008] In other words, in the rolling mechanism of this application, the roller for rolling the product is rotatably mounted at one end of the transmission member, and the other end of the transmission member is rotatably connected to the rolling drive member. The rolling drive member can drive the roller to move and act on the product. At the same time, in the direction of the roller's movement, the roller partially overlaps with the product on the support. Therefore, after the outer circumferential surface of the roller driven by the rolling drive member comes into contact with the product, the product can apply a reaction force to the roller. At this time, the roller can cause the transmission member to rotate relative to the rolling drive member under the action of the outer circumferential surface, thereby causing the roller to shift the distance of the overlapping part with the product. In addition, since a first elastic member is provided between the transmission member and the rolling drive member, the first elastic member can provide elastic tension when the transmission member rotates, thereby causing the roller to act on the surface of the product with the rolling part, and press against the rolling part of the product under the action of the first elastic member, and perform rolling under the action of the rolling drive member. The above method can ensure that the roller has sufficient rolling pressure when rolling the product, thereby improving the rolling effect on the product.

[0009] Optionally, the roll forming assembly further includes a mounting component, the mounting base including a mounting portion and a protrusion, the mounting portion being connected to the driving end of the roll forming drive component, the protrusion being disposed on the mounting portion, the transmission component being rotatably disposed on the side of the protrusion, and the first elastic element being disposed between the transmission component and the mounting portion.

[0010] Optionally, the support base includes a first support portion, a second support portion, and a connecting portion. The first support portion and the second support portion are connected by the connecting portion to form an installation space between the first support portion and the second support portion. The first support portion is used to support the product, and a first clearance hole is provided on the first support portion to avoid the roller. The roller pressing drive is disposed in the installation space.

[0011] Optionally, the rollers are provided in multiple sets, and each set of rollers is rotatably connected to the drive end of the roller pressing drive through a transmission component.

[0012] Optionally, it also includes a clamping assembly disposed on the support base for clamping the product onto the support base.

[0013] Optionally, the clamping assembly includes a clamping member, a connecting rod, and a clamping drive member. The clamping member is rotatably mounted on the support base. One end of the connecting member is rotatably connected to the clamping member, and the other end of the connecting member is rotatably connected to the clamping drive member. The connecting member is also inclined.

[0014] Optionally, the support base is provided with two support positions, each support position is used to support a product, and the support base between the two support positions is rotatably provided with a clamping member corresponding to each support position, and each clamping member is connected to the clamping drive member through a connecting rod.

[0015] Each of the transmission components gradually tilts towards the corresponding support position from the end away from the clamping drive component.

[0016] Optionally, the system further includes a positioning component, which includes a first positioning element and a second positioning element. The first positioning element and the second positioning element are disposed opposite to each other on the support base. The support base between the first positioning element and the second positioning element is used to support the product, and the first positioning element is movable toward the second positioning element to press the product onto the second positioning element.

[0017] Optionally, the positioning component further includes a positioning drive and a second elastic element, wherein the second elastic element is disposed between the first positioning element and the support base, and the second elastic element enables the first positioning element to move toward the second positioning element.

[0018] The positioning drive is driven to the first positioning member so that the first positioning member can move away from the second positioning member.

[0019] The positioning drive is located on the side of the support base away from the product, and the support base has a through hole. The positioning drive is driven to connect with the first positioning component through the through hole.

[0020] Optionally, it further includes a mounting base, which is disposed on the support base, and the clamping member is rotatably disposed on the mounting base, with the second elastic member disposed between the first positioning member and the mounting base. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the roller pressing mechanism provided for the implementation of this utility model;

[0023] Figure 2 A schematic diagram of the structure of the roller pressing assembly in the roller pressing mechanism provided for the present invention;

[0024] Figure 3 A schematic diagram of the pressing component and positioning component in the roller pressing mechanism provided by this utility model.

[0025] Figure label:

[0026] 100, Support base; 110, First support part; 120, Second support part; 130, Connecting part; 140, Installation space; 150, First clearance hole; 160, Second clearance hole; 170, Through hole;

[0027] 200, Roller assembly; 210, Roller drive component; 220, First elastic element; 230, Transmission component; 240, Roller; 250, Mounting component; 251, Mounting part; 252, Protrusion;

[0028] 300. Clamping assembly; 310. Clamping component; 320. Connecting component; 330. Clamping drive component;

[0029] 400, Positioning component; 410, First positioning element; 420, Second positioning element; 430, Positioning drive element; 440, Second elastic element;

[0030] 500. Mounting bracket;

[0031] 600. Product; 610. Roller pressing section. Specific Implementation

[0032] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0033] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the roller pressing mechanism or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In some descriptions of utility models, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] This application provides a rolling mechanism that can roll a product to flatten any warping caused by film coating. For example, the product may be the battery cell of a new energy battery. The rolling mechanism can roll areas in the battery cell that are prone to warping after film coating, such as the side of the battery cell near the end.

[0037] See Figure 1 and Figure 2 A rolling mechanism includes a support base 100 and a rolling assembly 200. The support base 100 supports a product 600. The rolling assembly 200 includes a rolling drive 210, a first elastic member 220, a transmission member 230, and a roller 240. One end of the transmission member 230 is rotatably connected to the roller 240, and the end of the transmission member 230 away from the roller 240 is rotatably connected to the drive end of the rolling drive 210. The rolling drive 210 drives the roller 240 to move closer to the product 600 via the transmission member 230, so that the roller 240 acts on the product 600.

[0038] Specifically, when the product 600 is supported on the support base 100, the roller pressing drive 210 can drive the roller 240 to move towards the product 600 through the transmission component 230, thereby driving the roller 240 to act on the product 600 and roll the product 600.

[0039] Furthermore, in the moving direction of the roller 240, the projection of a portion of the roller 240 overlaps with the product 600 on the support 100, so that after the outer peripheral surface of the roller 240 contacts the product 600, it can move away from the product 600 under the action of the transmission member 230. In addition, a first elastic member 220 can be provided between the transmission member 230 and the driving end of the roller pressing drive member 210. The first elastic member 220 increases the elastic tension when the transmission member 230 rotates, so that the roller 240 can press the roller pressing part 610 of the product 600.

[0040] Understandably, in one embodiment, in order to ensure sufficient rolling pressure when the roller 240 rolls the pressing portion 610 of the product 600, the roller 240 partially overlaps with the product 600 on the support base 100 in the moving direction of the roller 240. This allows the roller pressing drive 210 to drive the outer peripheral surface of the roller 240 to contact the product 600 via the transmission member 230, after which the product 600 can apply a reaction force to the roller 240. At this time, under the action of its outer peripheral surface, the roller 240 can cause the transmission member 230 to move relative to the roller pressing drive. When component 210 rotates, roller 240 can be offset by the distance of the overlapping portion with product 600. Furthermore, since a first elastic element 220 is provided between transmission component 230 and roller pressing drive component 210, the first elastic element 220 can provide elastic tension when transmission component 230 rotates. This allows roller 240 to act on the surface of product 600 with roller pressing portion 610, and press against roller pressing portion 610 of product 600 under the action of first elastic element 220, and perform roller pressing under the action of roller pressing drive component 210.

[0041] In other words, in the rolling mechanism of this application, the roller 240 for rolling the product 600 is rotatably mounted at one end of the transmission member 230, and the other end of the transmission member 230 is rotatably connected to the rolling drive member 210. The rolling drive member 210 can drive the roller 240 to move and act on the product 600. At the same time, in the direction of movement of the roller 240, the roller 240 partially overlaps with the product 600 on the support base 100. Therefore, after the outer peripheral surface of the roller 240 is driven by the rolling drive member 210 to contact the product 600, the product 600 can apply a reaction force to the roller 240. At this time, under the action of the outer peripheral surface, the roller 240 can make the transmission member 230 relative to the rolling drive member 210. The roller 240 rotates at 0 degrees, thereby shifting the distance between itself and the overlapping portion of the product 600. Furthermore, since a first elastic element 220 is provided between the transmission element 230 and the roller pressing drive element 210, the first elastic element 220 can provide elastic tension when the transmission element 230 rotates. This allows the roller 240 to act on the surface of the product 600 with the roller pressing portion 610, and press against the roller pressing portion 610 of the product 600 under the action of the first elastic element 220, and perform roller pressing under the action of the roller pressing drive element 210. The above method can ensure that the roller 240 has sufficient roller pressure when rolling the product 600, thereby improving the roller pressing effect on the product 600.

[0042] For example, in one embodiment, the first surface of product 600 has a rolling portion 610. In this case, roller 240 can be disposed on the side of the second surface of product 600 adjacent to the first surface. Rolling drive member 210 can drive roller 240 to move towards the second surface of product 600, and after the outer peripheral surface of roller 240 contacts the second surface of product 600 or the edge of product 600, the transmission member 230 can drive roller 240 to rotate away from product 600. At the same time, under the elastic tension of elastic member, roller 240 can roll onto the first surface of product 600, thereby rolling the rolling portion 610 on the first surface of product 600. Rolling drive member 210 can be a cylinder.

[0043] See Figure 2 The roller pressing assembly 200 may also include a mounting member 250, which is disposed on the drive end of the roller pressing assembly. The transmission member 230 is rotatably connected to the mounting member 250, and a first elastic member 220 is disposed between the transmission member 230 and the mounting member 250. The mounting member 250 can facilitate the connection between the transmission member 230 and the drive end of the roller pressing drive member 210.

[0044] Furthermore, the mounting base 500 may include a mounting portion 251 and a protrusion 252. The mounting portion 251 is connected to the driving end of the roller pressing drive member 210, the protrusion 252 is disposed on the mounting portion 251, and the transmission member 230 is rotatably disposed on the side of the protrusion 252. A first elastic member 220 is disposed between the transmission member 230 and the mounting portion 251. It is understood that this method facilitates the rotatable connection between the transmission member 230 and the mounting base 500, and also facilitates the placement of an elastic member between the transmission member 230 and the mounting base 500, so that the elastic member can provide elastic tension when the transmission member 230 rotates.

[0045] See Figure 1 In one embodiment, the support base 100 may include a first support portion 110, a second support portion 120, and a connecting portion 130. The first support portion 110 and the second support portion 120 are connected by the connecting portion 130, so that an installation space 140 is formed between the first support portion 110 and the second support portion 120. The first support portion 110 is used to support the product 600, and a first clearance hole 150 for avoiding the roller 240 is provided on the first support portion 110, so that the roller 240 can act on the product 600. The roller pressing drive member 210 is disposed within the installation space 140. It is understood that the above structure facilitates the setting of the roller pressing drive member 210, improves the overall integrity of the roller pressing mechanism, and facilitates the roller pressing drive member 210 to drive the roller 240 to roll the product 600 on the support base 100.

[0046] For example, the first support portion 110 and the second support portion 120 can be arranged opposite each other in the vertical direction. The roller pressing drive member 210 can be arranged in the installation space 140 and fixed on the second support portion 120. The product 600 is placed on the first support portion 110. The roller pressing portion 610 of the product 600 is located on the side of the product 600. The roller pressing drive member 210 can drive the roller 240 to move in the vertical direction through the transmission member 230. When the roller 240 acts on the lower surface of the product 600 or the edge of the product 600 through the first clearance hole 150, the transmission member 230 is driven to rotate under the guidance of the outer peripheral surface of the roller 240. Under the action of the first elastic member 220, the roller 240 can act on the side of the product 600, thereby pressing the roller pressing portion 610 of the product 600.

[0047] Furthermore, in one embodiment, in order to facilitate the rolling of multiple rolling parts 610 on the product 600, multiple sets of rollers 240 can be provided. Each set of rollers 240 can be rotatably connected to the driving end of the rolling drive 210 through a transmission member 230. In this way, the rolling drive 210 can drive the corresponding rollers 240 to move by driving multiple transmission members 230, thereby rolling the multiple rolling parts 610 of the product 600.

[0048] It is understood that the rotation direction of each transmission component 230 relative to the roller pressing drive component 210 can be adjusted according to the different positions of the upper roller pressing part 610 of the product 600. For example, when the roller pressing parts 610 of the product 600 are all located on the same side of the product 600, the rotation direction of each transmission component 230 can be the same; when the roller pressing parts 610 of the product 600 are located on different sides of the product 600, the rotation direction of the transmission component 230 is different.

[0049] See Figure 1 The rolling mechanism may also include a pressing component 300, which is disposed on the support base 100 and is used to press the product 600 onto the support base 100 to prevent the product 600 from moving when the roller 240 rolls the product 600.

[0050] Further, see Figure 3 The clamping assembly 300 may include a clamping member 310, a connecting member 320, and a clamping drive member 330. The clamping member 310 is rotatably mounted on the support base 100. One end of the connecting member 320 is rotatably connected to the clamping member 310, and the other end of the connecting member 320 is rotatably connected to the clamping drive member 330. The connecting member 320 is inclined. Specifically, the clamping drive member 330 can drive the clamping member 310 to rotate through the connecting member 320, so that the clamping member 310 can clamp the product 600 onto the support base 100.

[0051] For example, in one embodiment, the clamping drive 330 can be disposed in the installation space 140 and fixed on the second support 120. The clamping drive 330 can be a cylinder. The clamping member 310 is rotatably disposed on the first support 110. The clamping drive 330 moves one end of the drive connector 320 toward the direction of approaching or moving away from the first support 110, thereby causing the other end of the connector 320 to drive the clamping member 310 rotatably disposed on the first support 110 to rotate, so that the clamping member 310 can clamp or release the product 600.

[0052] Combination Figure 1 and Figure 3 In order to improve the rolling efficiency of the roller pressing mechanism on the product 600, two support positions can be provided on the support base 100. Each support position is used to support one product 600. A clamping member 310 is rotatably provided on the support base 100 between the two support positions corresponding to each support position. Each clamping member 310 is connected to the clamping drive member 330 through a connecting rod. The end of each transmission member 230 away from the clamping drive member 330 gradually tilts towards the direction of the corresponding support position.

[0053] It is understood that in the above structure, when the clamping drive 330 simultaneously drives the connecting member 320 connected to each clamping member 310 to move, each connecting member 320 can drive the corresponding clamping member 310 to rotate. In addition, since the end of each transmission member 230 away from the clamping drive 330 gradually tilts towards the corresponding support position, the clamping drive 330 can simultaneously drive the two clamping members 310 to synchronously clamp or release the product 600.

[0054] In another embodiment, a second clearance hole 160 may be provided on the first support portion 110, and each transmission member 230 may be connected to the clamping member 310 through the second clearance hole 160.

[0055] See Figure 1 The rolling mechanism may also include a positioning component 400, which is disposed on the support base 100. The positioning component 400 is used to position the product 600 on the support base 100 to ensure that the roller 240 can accurately roll the rolling part 610 of the product 600.

[0056] Further, see Figure 3The positioning component 400 may include a first positioning member 410 and a second positioning member 420. The first positioning member 410 and the second positioning member 420 are disposed opposite to each other on the support base 100. The support base 100 between the first positioning member 410 and the second positioning member 420 is used to support the product 600, and the first positioning member 410 can move toward the second positioning member 420 to press the product 600 onto the second positioning member 420, thereby achieving the positioning of the product 600. It can be understood that by positioning the product 600 on the support base 100, it can be ensured that the product 600 can overlap with the projection of part of the roller 240, so that the roller 240 can act on the rolling portion 610 of the product 600 and can elastically press against the rolling portion 610 of the product 600.

[0057] Furthermore, in one embodiment, the positioning component 400 may further include a positioning drive member 430 and a second elastic member 440. The second elastic member 440 is disposed between the first positioning member 410 and the support base 100. The second elastic member 440 enables the first positioning member 410 to move toward the second positioning member 420. The positioning drive member 430 is drivenly connected to the first positioning member 410 so that the first positioning member 410 can move away from the second positioning member 420.

[0058] Specifically, when a product 600 needs to be placed onto the support base 100 between the first positioning member 410 and the second positioning member 420, the positioning drive member 430 can drive the first positioning member 410 away from the second positioning member 420. After the product 600 is placed on the support base 100, the positioning drive member 430 can release the driving force on the first positioning member 410, and the first positioning member 410 can move towards the second positioning member 420 under the action of the second elastic member 440, elastically pressing the product 600 onto the second positioning member 420. The positioning drive member 430 can achieve a driving connection by abutting against the first positioning member 410. The positioning drive member 430 can be a cylinder.

[0059] Furthermore, in order to make the structure of the roller pressing mechanism more compact, the positioning drive 430 can be set on the side of the support 100 away from the product 600, and the support 100 is provided with a through hole 170, and the positioning drive 430 and the first positioning member 410 are drivenly connected through the through hole 170.

[0060] For example, in one embodiment, the positioning drive 430 may be disposed in the installation space 140 and fixed to the side of the first support 110 away from the product 600, and the first support 110 is provided with a through hole 170.

[0061] In another embodiment, the rolling mechanism may further include a mounting base 500, which is disposed on the support base 100. The clamping member 310 is rotatably disposed on the mounting base 500, and a second elastic member 440 is disposed between the first positioning member 410 and the mounting base 500. It can be understood that by providing the mounting base 500 on the support base 100, the rotatable connection between the clamping member 310 and the support base 100 can be facilitated, and the second elastic member 440 can be disposed between the first positioning member 410 and the support base 100.

[0062] Specifically, the mounting base 500 can be fixedly mounted on the first support portion 110.

[0063] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of some utility models should be included within the protection scope of some utility models.

Claims

1. A roll press mechanism characterized by, The application relates to a product supporting and rolling device. The device comprises a supporting seat for supporting products, and a rolling assembly. The rolling assembly comprises a rolling driving element, a first elastic element, a transmission element and a roller. The roller is rotatably connected to one end of the transmission element. The other end of the transmission element is rotatably connected to the driving end of the rolling driving element.

2. The roll press mechanism according to claim 1, wherein The roller can be driven by the rolling driving element to move towards the product through the transmission element.

3. The roller press mechanism of claim 2, wherein, Part of the projection of the roller overlaps the product on the supporting seat in the moving direction of the roller.

4. The roll press mechanism of claim 1, wherein The outer circumferential surface of the roller can contact the product and move away from the product under the action of the transmission element.

5. The roll press mechanism according to any one of claims 1 to 4, wherein The first elastic element is arranged between the transmission element and the driving end of the rolling driving element.

6. The roller press mechanism of claim 5, wherein, The first elastic element provides elastic tension when the transmission element rotates, so that the roller can compress the product.

7. The roller press mechanism of claim 6, wherein, The rolling assembly further comprises a mounting element. The mounting element comprises a mounting part and a protruding part.

8. The roller press mechanism of claim 6, wherein, The mounting part is connected to the driving end of the rolling driving element. The transmission element is rotatably arranged on the side surface of the protruding part. The first elastic element is arranged between the transmission element and the mounting part. The supporting seat comprises a first supporting part, a second supporting part and a connecting part. The first supporting part and the second supporting part are connected through the connecting part. The first supporting part and the second supporting part form a mounting space. The first supporting part is used for supporting products. The first supporting part is provided with a first avoiding hole for avoiding the roller. The rolling driving element is arranged in the mounting space. The roller is provided with multiple groups. Each group of the roller is rotatably connected to the driving end of the rolling driving element through a transmission element. The device further comprises a compressing assembly. The compressing assembly is arranged on the supporting seat and used for compressing the product on the supporting seat. The compressing assembly comprises a compressing element, a connecting element and a compressing driving element. The compressing element is rotatably arranged on the supporting seat. One end of the connecting element is rotatably connected to the compressing element. The other end of the connecting element is rotatably connected to the compressing driving element. The connecting element is arranged in an inclined manner. The supporting seat is provided with two supporting positions. Each supporting position is used for supporting one product. The supporting seat between the two supporting positions is rotatably provided with the compressing element corresponding to each supporting position. Each compressing element is connected to the compressing driving element through the connecting element. The end of each transmission element away from the compressing driving element is gradually inclined towards the corresponding supporting position. The device further comprises a positioning assembly. The positioning assembly comprises a first positioning element and a second positioning element. The first positioning element and the second positioning element are oppositely arranged on the supporting seat. The supporting seat between the first positioning element and the second positioning element is used for supporting products. The first positioning element can move towards the second positioning element to compress the product on the second positioning element.

9. The roller press mechanism of claim 8, wherein, The positioning assembly further comprises a positioning driving member and a second elastic member, the first positioning member and the supporting seat are provided with the second elastic member, and the second elastic member enables the first positioning member to move towards the direction close to the second positioning member; The positioning driving member is in driving connection with the first positioning member, so as to enable the first positioning member to move towards the direction away from the second positioning member; The positioning driving member is arranged on the side of the supporting seat away from the product, and the supporting seat is provided with a through hole, and the positioning driving member and the first positioning member are in driving connection through the through hole.

10. The roller press mechanism of claim 9, wherein, Further comprising a mounting seat arranged on the supporting seat, and the pressing member is rotatably arranged on the mounting seat, and the second elastic member is arranged between the first positioning member and the mounting seat.