A roller transmission device with four-side adjustment

Abstract

The present invention provides a roller transmission device with four-side adjustment, comprising a frame, a roller transmission assembly mounted on the frame, and a plurality of transmission rollers distributed on the roller transmission assembly for supporting and horizontally transmitting products; a side adjustment and positioning assembly and a front-to-back adjustment and positioning assembly mounted below the roller transmission assembly; the side adjustment and positioning assembly being provided with side adjustment contact members that can extend upward above the transmission rollers and move horizontally in a direction perpendicular to the transmission rollers; and the front-to-back adjustment and positioning assembly being provided with front-to-back adjustment contact members that can extend upward above the transmission rollers and move horizontally in the transmission direction of the transmission rollers. The present invention can perform four-side adjustment alignment processing on transmitted products and is compatible with products of different sizes.

Description

Technical Field

[0001] The present invention relates to the technical field of product transmission and positioning devices, and in particular to a roller transmission device with four-side adjustment. Background Art

[0002] Roller conveyors are used in the production of liquid crystal panels. These conveyors are equipped with multiple rollers to support and transport liquid crystal panels. Furthermore, products in various process stages that have similar shape features to liquid crystal panels (for example, products whose front projections are rectangular) are transported using roller conveyors. During product transport, it is usually necessary to keep the product in a certain position and align it with the processing device entering the next process. At this point, the product needs to be aligned to adjust its position on the conveyor to meet the positional accuracy requirements of the next process. Furthermore, current production lines generally require compatibility with the production of products of different sizes, and the alignment benchmarks are mostly based on the center of the product. Therefore, adjustments to the four sides of the product are required. However, the current production line field lacks adjustment conveyor devices that meet these requirements. Summary of the Invention

[0003] The technical problem to be solved by the present invention is: in view of the fact that the current production line lacks a transmission device that can perform alignment processing on products, a roller transmission device is provided that can adjust the alignment processing of products on all four sides and is compatible with products of different sizes.

[0004] The technical solution of the present invention to solve the above technical problems is as follows:

[0005] The present invention provides a roller transmission device with four-side adjustment, including a frame and a roller transmission assembly installed on the frame, wherein a plurality of transmission rollers for supporting and horizontally transmitting products are distributed on the roller transmission assembly; a two-side adjustment and positioning assembly and a front and rear adjustment and positioning assembly are installed below the roller transmission assembly, and the two-side adjustment and positioning assembly is provided with two-side adjustment contact pieces, which can extend upward to above the transmission roller and move horizontally along the transmission direction perpendicular to the transmission roller; the front and rear adjustment and positioning assembly is provided with front and rear adjustment contact pieces, which can extend upward to above the transmission roller and move horizontally along the transmission direction of the transmission roller.

[0006] The present invention has the following advantages: it can perform alignment processing on the four sides of the conveyed product and is compatible with products of different sizes. By adjusting the positioning components and contact members on both sides, the product's position can be adjusted perpendicular to the running direction. By adjusting the positioning components and contact members on both sides, the product's position can be adjusted forward and backward along the running direction and the angle can be adjusted.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the roller transmission assembly includes: at least two mounting bars arranged in parallel along the same level, a roller shaft is rotatably connected between the two mounting bars, multiple roller shafts are perpendicular to the mounting bars and arranged in sequence along the length direction of the mounting bars, multiple transmission rollers are fixed on each roller shaft, a speed regulating motor and a transmission shaft are installed on the mounting bar, the speed regulating motor is connected to the transmission shaft, and the transmission shaft is respectively connected to and drives multiple roller shafts to rotate.

[0009] The beneficial effects of adopting the above further solution are: the rotation speed of the transmission roller is consistent, and the various parts of the product can be transported stably and synchronously to avoid deviation during product transportation, and the gap between the roller shafts can allow the contact pieces to be adjusted on both sides and front and back to extend and move.

[0010] Furthermore, two support bars are arranged side by side between the two mounting bars, and the roller shaft includes a long axis and a short axis. The long axis is arranged across the support bar, and the two ends of the short axis are respectively rotatably connected to the mounting bar and the support bar adjacent to the mounting bar. A front and rear adjustment area is reserved between the two support bars at a position corresponding to the second roller shaft, and the front and rear adjustment contact members are installed below the front and rear adjustment area and can extend into the front and rear adjustment area.

[0011] The beneficial effect of adopting the above further solution is that the forward and backward adjustment contact members can move in a larger stroke along the transmission direction of the transmission roller, which facilitates the rapid completion of product position adjustment with fewer reciprocating movements and improves compatibility with product sizes.

[0012] Furthermore, the speed regulating motor is arranged vertically, and the speed regulating motor is connected to the transmission shaft through a bevel gear.

[0013] The beneficial effects of adopting the above further solution are: compact structure, high transmission rigidity and high transmission efficiency.

[0014] Furthermore, the transmission shaft is connected to multiple roller shafts through magnetic gears.

[0015] The beneficial effects of adopting the above further solution are: smooth transmission, reduced vibration of the transmission roller, good consistency, and guaranteed synchronous rotation of multiple roller shafts.

[0016] Furthermore, the two side adjustment and positioning components include two side module mounting plates extending along their own length direction and arranged at intervals. The two side module mounting plates are respectively connected to a first sliding frame through a first servo screw module, so that the first sliding frame can move along the length direction of the two side module mounting plates, and the first sliding frame is respectively provided with two side adjustment contact pieces.

[0017] The beneficial effects of adopting the above further solution are: the position of both sides of the product can be adjusted simultaneously or separately, the product can be corrected, and it is compatible with products of different sizes.

[0018] Furthermore, the two side module mounting plates are symmetrically arranged on both sides of the transmission direction of the transmission roller.

[0019] The beneficial effect of adopting the above further solution is: better compatibility with product dimensions.

[0020] Furthermore, the first sliding frame is connected to the adjustment contact members on both sides through a telescopic mechanism.

[0021] The beneficial effect of adopting the above further solution is that the adjustment contact members on both sides are retractable and can be retracted downward to avoid the product and avoid interference when necessary.

[0022] Furthermore, the adjusting contact members on both sides are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

[0023] The beneficial effect of adopting the above further solution is that the guide wheel can rotate to avoid wear of the product.

[0024] Furthermore, the front and rear adjustment positioning assembly includes a front and rear module mounting plate, on which two second sliding frames are respectively installed through two independent second servo screw modules, so that the two second sliding frames can independently move forward and backward along the length direction of the front and rear module mounting plates, and the two second sliding frames are respectively connected to the front and rear adjustment contact pieces through a telescopic mechanism.

[0025] The beneficial effects of adopting the above further solution are: the position of the front and rear sides of the conveying direction of the product can be adjusted simultaneously or separately, the product can be corrected, and it is compatible with products of different sizes.

[0026] Furthermore, the front and rear adjustment contact members are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

[0027] The beneficial effect of adopting the above further solution is that the guide wheel can rotate to avoid wear of the product.

[0028] In the above embodiments, preferably, the frame is a frame structure constructed of profiles.

[0029] The beneficial effects of adopting the above further solution are: light weight and easy installation and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the present invention.

[0031] Figure 2 It is a structural schematic diagram of the roller transmission component.

[0032] Figure 3 Schematic diagram of the structure for adjusting the positioning components on both sides.

[0033] Figure 4 A schematic diagram of the structure of the front and rear adjustment positioning component.

[0034] In the accompanying drawings, the technical features represented by the reference numerals are as follows:

[0035] 1-frame; 2-roller transmission assembly; 21-transmission roller; 22-mounting bar; 23-roller shaft; 24-speed control motor; 25-drive shaft; 26-magnetic gear; 27-front and rear adjustment area; 3-side adjustment and positioning assembly; 31-side adjustment contact pieces; 32-side module mounting plates; 33-first servo screw module; 34-first sliding frame; 4-front and rear adjustment and positioning assembly; 41-front and rear adjustment contact pieces; 42-front and rear module mounting plates; 43-second servo screw module; 44-second sliding frame. DETAILED DESCRIPTION

[0036] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0037] The present invention refers to Figure 1-4 .

[0038] Example 1, as Figure 1 As shown:

[0039] The present invention provides a roller transmission device with four-side adjustment, including a frame 1 and a roller transmission assembly 2 installed on the frame 1, and a plurality of transmission rollers 21 for supporting and horizontally transmitting products are distributed on the roller transmission assembly 2; a two-side adjustment and positioning assembly 3 and a front and rear adjustment and positioning assembly 4 are installed below the roller transmission assembly 2, and the two-side adjustment and positioning assembly 3 is provided with two-side adjustment contact members 31, and the two-side adjustment contact members 31 can extend upward to above the transmission roller 21 and move horizontally along the transmission direction perpendicular to the transmission roller 21; the front and rear adjustment and positioning assembly 4 is provided with a front and rear adjustment contact member 41, and the front and rear adjustment contact member 41 can extend upward to above the transmission roller 21 and move horizontally along the transmission direction of the transmission roller 21.

[0040] Principle: The use process of the present invention is as follows: the adjustment contact members 31 on both sides are raised (or the adjustment contact members 31 on both sides are a structure extending above the transmission roller 21), the product flows into the roller transmission assembly 2, and the adjustment contact members 31 on both sides adjust the position of the product perpendicular to the running direction through horizontal movement, the front and rear adjustment contact members 41 are raised and adjust the position and angle of the product along the running direction through horizontal movement, after adjustment, the front and rear adjustment contact members 41 are lowered, and the product flows out of the roller transmission assembly 2.

[0041] Note: In the two-side adjustment and positioning assembly 3, the two sides refer to the two sides of the transmission direction of the transmission roller 21 ( Figure 1 In the front and rear adjustment positioning assembly 4, the front and rear refers to the transmission direction of the transmission roller 21 ( Figure 1 center front, back).

[0042] Note: Product inflow and outflow can be achieved through the rolling motion of the transfer roller 21, which can be driven by a drive mechanism mounted on the roller transfer assembly 2 or by an external mechanical drive. The lifting and lowering of the side adjustment contact members 31 and the front-to-back adjustment contact members 41 can be achieved through a reciprocating mechanism such as a cylinder or screw pair. This reciprocating mechanism can be mounted on the side adjustment and positioning assembly 3 or the front-to-back adjustment and positioning assembly 4. The horizontal movement of the side adjustment contact members 31 and the front-to-back adjustment contact members 41 can also be achieved through a reciprocating mechanism such as a cylinder or screw pair. The reciprocating mechanism for lifting and the reciprocating mechanism for horizontal movement can be installed in a progressive manner. (In a progressive installation, the fixed end of the latter mechanism is mounted on the movable end of the previous mechanism.)

[0043] The present invention has the following advantages: it can perform alignment processing on the four sides of the conveyed product and is compatible with products of different sizes. The two-side adjustment positioning assembly 3 and the two-side adjustment contact members 31 can adjust the position of the product perpendicular to the running direction on both sides, and the front-back adjustment positioning assembly 4 and the front-back adjustment contact members 41 can adjust the position of the product in the front and back direction of the running direction and adjust the angle.

[0044] Example 2:

[0045] In the above embodiment, preferably, the following improvements can be made: Figure 2 As shown:

[0046] Furthermore, the roller transmission assembly 2 includes: at least two mounting bars 22 arranged in parallel along the same level, a roller shaft 23 is rotatably connected between the two mounting bars 22, multiple roller shafts 23 are perpendicular to the mounting bars 22 and are arranged in sequence along the length direction of the mounting bars 22, multiple transmission rollers 21 are fixed on each roller shaft 23, a speed regulating motor 24 and a transmission shaft 25 are installed on the mounting bar 22, the speed regulating motor 24 is connected to the transmission shaft 25, and the transmission shaft 25 is respectively connected to and drives the multiple roller shafts 23 to rotate.

[0047] Principle: When the speed-regulating motor 24 rotates, the drive shaft 25 transmits power to the multiple roller shafts 23, causing them to rotate synchronously. The multiple roller shafts 23 then drive the transmission rollers 21, achieving synchronous product transmission. The speed-regulating motor 24 and the drive shaft 25, and the transmission shaft 25 and the multiple roller shafts 23, can be connected by bevel gears, belts, chains, magnetic gears 26, or other transmission mechanisms.

[0048] The beneficial effects of adopting the above further solution are: the rotation speed of the transmission roller 21 is consistent, and various parts of the product can be stably transported synchronously to avoid deviation during product transportation, and the gap between the roller shafts 23 can allow the two side adjustment contact members 31 and the front and rear adjustment contact members 41 to extend and move.

[0049] Furthermore, two support bars are arranged side by side between the two mounting bars 22, and the roller shaft 23 includes a long axis and a short axis. The long axis is arranged across the support bar, and the two ends of the short axis are rotatably connected to the mounting bar 22 and the support bar adjacent to the mounting bar 22 respectively. A front and rear adjustment area 27 is reserved between the two support bars at the position corresponding to the second roller shaft, and the front and rear adjustment contact members 41 are installed below the front and rear adjustment area 27 and can extend into the front and rear adjustment area 27.

[0050] Note: A beam member may be used to maintain the parallel installation state of the mounting bars 22 to improve rigidity.

[0051] The beneficial effect of adopting the above further solution is that the forward and backward adjustment contact member 41 can move in a larger stroke along the transmission direction of the transmission roller 21, which is convenient for quickly completing the position adjustment of the product with fewer reciprocating movements and improving the compatibility with product dimensions.

[0052] Furthermore, the speed regulating motor 24 is arranged vertically, and the speed regulating motor 24 and the transmission shaft 25 are connected through a bevel gear.

[0053] The beneficial effects of adopting the above further solution are: compact structure, high transmission rigidity and high transmission efficiency.

[0054] Furthermore, the transmission shaft 25 is connected to the plurality of roller shafts 23 via magnetic gears 26 .

[0055] The beneficial effects of adopting the above further solution are: smooth transmission, reduced vibration of the transmission roller 21, good consistency, and guaranteed synchronous rotation of multiple roller shafts 23.

[0056] Example 3:

[0057] In the above embodiment, preferably, the following improvements can be made: Figure 3 As shown:

[0058] Furthermore, the two side adjustment and positioning components 3 include two side module mounting plates 32 extending along their own length direction and arranged at intervals. The two side module mounting plates 32 are respectively connected to a first sliding frame 34 through a first servo screw module 33, so that the first sliding frame 34 can move along the length direction of the two side module mounting plates 32, and the first sliding frame 34 is respectively provided with two side adjustment contact members 31.

[0059] Principle: Two side module mounting plates 32 are mounted on the frame 1 (preferably connected by adjustment screws in this embodiment). The length of the two side module mounting plates 32 is perpendicular to the transmission direction of the transmission roller 21. Using two side module mounting plates 32 allows for clearing the front-to-back adjustment positioning assembly 4 to prevent interference. Side adjustment contact members 31 extend upward above the transmission roller 21 and can also be designed as a retractable structure. The side adjustment contact members 31 on the two first sliding frames 34 are located on either side of the product. Horizontal movement adjusts the product's position and simultaneously corrects product deviation.

[0060] The beneficial effects of adopting the above further solution are: the position of both sides of the product can be adjusted simultaneously or separately, the product can be corrected, and it is compatible with products of different sizes.

[0061] Furthermore, the two side module mounting plates 32 are symmetrically arranged on both sides of the transmission direction of the transmission roller 21.

[0062] The beneficial effect of adopting the above further solution is: better compatibility with product dimensions.

[0063] Furthermore, the first sliding frame 34 is connected to the adjustment contact members 31 on both sides via a telescopic mechanism.

[0064] Note: The telescopic mechanism can be a reciprocating motion mechanism such as an electric telescopic rod, a hydraulic telescopic rod, a screw pair, etc.

[0065] The beneficial effect of adopting the above further solution is that the adjustment contact members 31 on both sides are retractable and can be retracted downward to avoid the product and avoid interference when necessary.

[0066] Furthermore, the adjusting contact members 31 on both sides are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

[0067] The beneficial effect of adopting the above further solution is that the guide wheel can rotate to avoid wear of the product.

[0068] Example 4:

[0069] In the above embodiment, preferably, the following improvements can be made: Figure 4 As shown:

[0070] Furthermore, the front and rear adjustment positioning assembly 4 includes a front and rear module mounting plate 42, on which two second sliding frames 44 are respectively installed through two independent second servo screw modules 43, so that the two second sliding frames 44 can independently move forward and backward along the length direction of the front and rear module mounting plate 42, and the two second sliding frames 44 are respectively connected to the front and rear adjustment contact members 41 through a telescopic mechanism.

[0071] Note: The telescopic mechanism can be a reciprocating motion mechanism such as an electric telescopic rod, a hydraulic telescopic rod, a screw pair, etc.

[0072] Principle: The front and rear module mounting plates 42 are used to be installed on the frame 1 (in this embodiment, adjustment screws are preferably used for installation), and are arranged along the transmission direction of the transmission roller 21. The telescopic mechanism can drive the front and rear adjustment contact members 41 to extend above the transmission roller 21 or retract to below the transmission roller 21. When extending above the transmission roller 21, the two second sliding frames 44 move independently. The front and rear adjustment contact members 41 located in front of the product conveying direction can be used to stop the product, and the front and rear adjustment contact members 41 located behind the conveying direction can be used to adjust the product position and correct the deviation.

[0073] The beneficial effects of adopting the above further solution are: the position of the front and rear sides of the conveying direction of the product can be adjusted simultaneously or separately, the product can be corrected, and it is compatible with products of different sizes.

[0074] Furthermore, the front and rear adjustment contact members 41 are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

[0075] The beneficial effect of adopting the above further solution is that the guide wheel can rotate to avoid wear of the product.

[0076] Embodiment 5:

[0077] In the above embodiments, preferably, the frame 1 is a frame structure constructed of profiles.

[0078] Note: Preferably, the frame 1 is a rectangular frame.

[0079] The beneficial effects of adopting the above further solution are: light weight and easy installation and adjustment.

[0080] In the description of the present invention, it should be understood that if there appear descriptive terms indicating orientation, direction or positional relationship, such as: "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated in this specification is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of understanding the present invention and simplifying the description, and does not indicate or imply that the part, element or whole referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0081] In addition, if there are order description terms, such as "first", "second", etc., their purpose in this specification is to facilitate understanding or simplify the description. For example, in order to distinguish multiple technical features with the same type or function, but they have to be mentioned separately, this specification may use prefix or suffix order description terms to distinguish them. Therefore, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0082] In the present invention, if terms describing the relative functional relationship of structures are used, such as "install", "connect", "connect", "fix", etc., they should be understood in a broad sense unless otherwise clearly specified and limited. For example, "install", "connect", "connect", etc. can be fixed connections, detachable connections, or integrated; can be mechanical connections or electrical connections; can be direct connections or indirect connections through an intermediate medium, can be internal connections between two elements or an interactive relationship between two elements; "fix" can be an integrated fixation or a detachable fixation through fasteners; can be a direct fixation or a fixation through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above-mentioned descriptive terms in the present invention can be understood according to the specific circumstances, the context, the coherence of the preceding and following texts, etc.

[0083] In the present invention, if descriptive terms with subsidiary or connecting meanings appear, for example, a first feature is "on" or "below" a second feature, unless otherwise clearly specified and limited, they should not be understood in a restrictive manner. For example, "on" or "below" can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. For those skilled in the art, the specific meanings of the above descriptive terms in the present invention can be understood based on the specific circumstances, the context, the coherence of the preceding and following texts, etc.

[0084] Furthermore, when a first feature is “above,” “above,” or “above” a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. When a first feature is “below,” “below,” or “below” a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0085] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments, examples and features of different embodiments and examples described in this specification, unless there is any contradiction, and these combinations or combinations should all fall within the scope of the present invention.

[0086] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limiting the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of information available through public channels and in combination with the technical inspiration provided by the present application documents.

Claims

1. A roller transmission device with four-side adjustment, characterized in that: The invention comprises a roller transmission assembly (2) mounted on a frame (1), wherein a plurality of transmission rollers (21) for supporting and horizontally transmitting products are distributed on the roller transmission assembly (2); a side adjustment positioning assembly (3) and a front-back adjustment positioning assembly (4) are mounted below the roller transmission assembly (2); a side adjustment contact member (31) is provided on the side adjustment positioning assembly (3), and the side adjustment contact member (31) can extend upward to above the transmission roller (21) and move horizontally along a transmission direction perpendicular to the transmission roller (21); a front-back adjustment contact member (41) is provided on the front-back adjustment positioning assembly (4), and the front-back adjustment contact member (41) can extend upward to above the transmission roller (21) and move horizontally along the transmission direction of the transmission roller (21); The two-side adjustment and positioning assembly (3) comprises two two-side module mounting plates (32) extending along the length direction thereof and arranged at intervals, the two two-side module mounting plates (32) being connected to a first sliding frame (34) via a first servo screw module (33) respectively, so that the first sliding frame (34) can move along the length direction of the two-side module mounting plates (32), and the first sliding frame (34) is provided with two-side adjustment contact members (31) respectively; The front-to-back adjustment positioning assembly (4) comprises a front-to-back module mounting plate (42), on which two second sliding frames (44) are respectively mounted via two independent second servo screw modules (43), so that the two second sliding frames (44) can independently move forward and backward along the length direction of the front-to-back module mounting plate (42), and the two second sliding frames (44) are respectively connected to the front-to-back adjustment contact members (41) via telescopic mechanisms.

2. The roller transmission device with four-side adjustment according to claim 1, characterized in that: The roller transmission assembly (2) comprises: at least two mounting bars (22) arranged in parallel along the same level; a roller shaft (23) is rotatably connected between the two mounting bars (22); a plurality of roller shafts (23) are perpendicular to the mounting bars (22) and are sequentially spaced along the length direction of the mounting bars (22); a plurality of transmission rollers (21) are fixed on each roller shaft (23); a speed regulating motor (24) and a transmission shaft (25) are installed on the mounting bar (22); the speed regulating motor (24) is connected to the transmission shaft (25); and the transmission shaft (25) is respectively connected to and drives the plurality of roller shafts (23) to rotate.

3. The roller transmission device with four-side adjustment according to claim 2, characterized in that: Two support bars are arranged in parallel between the two mounting bars (22), and the roller shaft (23) includes a long axis and a short axis, the long axis is arranged across the support bars, and the two ends of the short axis are respectively rotatably connected to the mounting bar (22) and the support bar adjacent to the mounting bar (22), and a front and rear adjustment area (27) is reserved at a position corresponding to the second roller shaft between the two support bars, and the front and rear adjustment contact member (41) is installed below the front and rear adjustment area (27) and can extend into the front and rear adjustment area (27).

4. The roller transmission device with four-side adjustment according to claim 2, characterized in that: The speed regulating motor (24) is arranged vertically, and the speed regulating motor (24) is connected to the transmission shaft (25) via a bevel gear; the transmission shaft (25) is respectively connected to the plurality of roller shafts (23) via magnetic gears (26).

5. The roller transmission device with four-side adjustment according to claim 1, characterized in that: The two side module mounting plates (32) are symmetrically arranged on both sides of the transmission direction of the transmission roller (21).

6. The roller transmission device with four-side adjustment according to claim 1, characterized in that: The first sliding frame (34) is connected to the adjustment contact members (31) on both sides via a telescopic mechanism.

7. The roller transmission device with four-side adjustment according to claim 1, characterized in that: The adjusting contact members (31) on both sides are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

8. The roller transmission device with four-side adjustment according to claim 1, characterized in that: The front and rear adjustment contact members (41) are a plurality of mutually independent guide wheels, and the axial directions of the guide wheels are arranged vertically.

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