Adjustable roller conveyor device

By designing an adjustable roller transport device, using the motor drive movable seat adjustment and adaptive adjustment mechanism, the problems of insufficient structural fixation and transmission stability of the traditional device are solved, and efficient and flexible material transportation and a stable and reliable transmission system are achieved.

CN119750103AInactive Publication Date: 2025-04-04NANTONG HEYUE ROLLER MAKING EQUIP CO LTD
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Patent Information

Application Number
CN202510061815.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-04-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses an adjustable roller transport device, which relates to the field of transport technology, and comprises a base, a fixed base, a driving mechanism, an adaptive adjustment mechanism, a movable base, a fixing screw 1, a slide groove 1, a roller, a slider, an auxiliary sprocket, a connecting sprocket, a guide groove, a slide groove 2, a fixing screw 2, a motor 1 and a screw rod; the present invention has an ingenious and reasonable structural design, and the various components cooperate closely and coordinately. The screw rod is driven to rotate by the motor 1, so as to drive the movable base to flexibly extend and retract along the guide groove, thereby realizing precise adjustment of the length of the device, and can quickly adapt to different transport length requirements, and the operation is convenient and efficient; the adaptive adjustment mechanism in the present invention utilizes the ingenious hinge and connection between the connecting rods, and when the movable base is extended and retracted, the scissor mechanism is synchronously lengthened or contracted, so as to prompt the slider and the roller to be evenly separated or brought together, thereby ensuring the rationality and stability of the roller layout under different length conditions, and effectively improving the stability of transportation.
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Description

Technical Field

[0001] The invention relates to the technical field of transportation, and in particular to an adjustable roller transportation device. Background Art

[0002] In the fields of modern industrial production and logistics transportation, there is an increasing demand for efficient and flexible transportation of materials. Traditional roller conveyors often have fixed structures and are difficult to adapt to the requirements of materials of different sizes and different transportation scenarios. For example, in some automated production lines, the specifications of products are diverse, and the conveyor device needs to be able to quickly adjust the length to match the transmission path of products of different lengths to avoid poor material transmission or even jamming due to inappropriate device length, which affects production efficiency. Moreover, in the process of cargo handling in logistics warehouses, changes in the size of goods and transportation routes also require the transport equipment to be adjustable so as to better adapt to the warehouse layout and operation process. In addition, when dealing with different working conditions, the stability and reliability of the transmission system of traditional transport devices are also insufficient, and problems such as chain slack or uneven tension are prone to occur, which affects the service life and operation accuracy of the equipment. In order to solve these problems, an adjustable roller conveyor device came into being. It aims to meet diverse transportation needs, improve the efficiency and quality of material transportation, reduce equipment maintenance costs, and improve overall adaptability and reliability through unique structural designs, such as motor-driven movable seat adjustment, adaptive adjustment mechanism to adapt to different length changes, and optimized drive mechanism to ensure transmission stability. Summary of the invention

[0003] The purpose of the present invention is to provide an adjustable roller conveyor device in order to solve the above-mentioned problems, which solves the problems that the traditional roller conveyor device has a fixed structure, is difficult to adapt to different material sizes and transportation scenarios, and has insufficient transmission stability and reliability.

[0004] In order to solve the above problems, the present invention provides a technical solution: an adjustable roller transport device, comprising a base, a fixed base, a driving mechanism, an adaptive adjustment mechanism, a movable base, a fixing screw 1, a slide groove 1, a roller, a slider, an auxiliary sprocket, a connecting sprocket, a guide groove, a slide groove 2, a fixing screw 2, a motor 1 and a screw rod; there are two fixed bases, and the bottoms of the two fixed bases are respectively fixedly connected to the front and rear positions on the base, and a transverse guide groove is opened on the upper part of the outer side surfaces of the two fixed bases, and a transverse slide groove 2 is opened in the center of the guide groove; there are two movable bases, and the outer parts of the two movable bases are transversely movably connected to the corresponding guide grooves, and a transverse slide groove 1 is opened in the central part of the left side of the two movable bases; there are a plurality of sliders, and the plurality of sliders are respectively arranged transversely and movably connected to the corresponding slide grooves 1 and 2, and the plurality of sliders are A roller is movably connected between the blocks, and the front ends of the rollers are fixedly connected to connecting sprockets, and both sides of the front side surfaces of several sliders are movably connected to auxiliary sprockets, among which the slider on the right is fixedly connected to the right side of the slide groove by a fixing screw 1, and the slider on the left is fixedly connected to the left side of the slide groove 2 by a fixing screw 2; there are two adaptive adjustment mechanisms, and the two adaptive adjustment mechanisms are respectively fixedly connected to the bottom of the corresponding movable seat, and the upper sides of the two adaptive adjustment mechanisms are respectively connected to the bottom of the corresponding slider; the driving mechanism is arranged on the outside of the fixed seat on the front side, and the upper side of the driving mechanism is connected to the connecting sprocket and the auxiliary sprocket; the motor 1 is fixedly connected to the outside of the left side of the guide groove; the screw is movably connected to the lower side of the guide groove, the left center of the screw is fixedly connected to the right output shaft of the motor 1, and the right side of the screw is connected to the threaded hole set on the lower side of the movable seat.

[0005] Preferably, the specific structure of the driving mechanism includes motor 2, guide sprocket 1, driving sprocket, elastic rod 1, mounting groove 1, reversing sprocket 1, elastic rod 2, reversing sprocket 2, mounting groove 2, guide sprocket 2, chain and guide sprocket 3; motor 2 is fixedly connected to the inner side of the fixed seat, and the driving sprocket is fixedly connected to the outer output shaft of motor 2; guide sprocket 1 is located on the upper right side of the driving sprocket, and guide sprocket 1 is movably connected to the outer side of the fixed seat; mounting groove 1 and mounting groove 2 are both provided on the outer side surface of the fixed seat on the front side. The left side of the second mounting groove is fixedly connected with an elastic rod 1, and the right side of the first mounting groove is fixedly connected with an elastic rod 2; the right front side of the first elastic rod is movably connected with a reversing sprocket 2; the left front side of the second elastic rod is movably connected with a reversing sprocket 1; the second guide sprocket is movably connected to the right side of the outer side of the fixed seat; the third guide sprocket is movably connected to the lower right side of the outer side of the movable seat; the chain is connected to all auxiliary sprockets and connecting sprockets through the first guide sprocket, the driving sprocket, the reversing sprocket 2, the first reversing sprocket, the second guide sprocket and the third guide sprocket.

[0006] Preferably, the second motor is a servo motor or a stepper motor.

[0007] Preferably, the first installation groove and the second installation groove are parallel to each other.

[0008] Preferably, the specific structure of the adaptive adjustment mechanism includes a fixed shaft one, a connecting rod one, a connecting rod two, a connecting shaft, a connecting rod four, a fixed shaft two, a slide block, an outer shell, a connecting rod three and a movable cavity; the movable cavity is arranged inside the lower side of the fixed seat, the outer shell is movably connected inside the movable cavity, and the upper side of the outer shell is fixedly connected to the lower side of the movable seat; the fixed shaft one is fixedly connected to the center of the left side of the movable cavity; the fixed shaft two is fixedly connected to the center of the right side of the outer shell; there are two connecting rods one, and the left sides of the two connecting rods one are movably connected to the outside of the fixed shaft one; there are two connecting rods four, and the right sides of the two connecting rods four are movably connected to the outside of the fixed shaft two; the connecting rod There are several connecting rods two, and several of the connecting rods two are movably connected between the head and tail, wherein the connecting rod two on the left side is hinged to the right side of the corresponding connecting rod one, and the connecting rod two on the right side is hinged to the left side of the corresponding connecting rod four; there are several connecting rods three, and the centers of several of the connecting rods three are movably connected to the centers of the corresponding connecting rod two, and several of the connecting rods three are movably connected between the head and tail, wherein the connecting rod three on the left side is hinged to the right side of the corresponding connecting rod one, and the connecting rod three on the right side is hinged to the left side of the corresponding connecting rod four; there are several slide blocks, and the tops of several of the slide blocks are respectively fixedly connected to the centers of the bottoms of the corresponding sliders, and the central insides of several of the slide blocks are respectively movably connected to the upper sides of the corresponding connecting rod three.

[0009] Preferably, the length of connecting rod one and connecting rod four is equal to half the length of connecting rod two and connecting rod three.

[0010] Preferably, the central interior of the slide block is a long groove.

[0011] Preferably, the motor 1 is a servo motor or a stepper motor.

[0012] The beneficial effects of the present invention are as follows: (1) The structural design of the present invention is ingenious and reasonable, and the various components are closely coordinated. The motor drives the screw to rotate, driving the movable seat to flexibly extend and retract along the guide groove, thereby realizing precise adjustment of the length of the device, which can quickly adapt to different transportation length requirements and is convenient and efficient to operate.

[0013] (2) The adaptive adjustment mechanism of the present invention utilizes the ingenious articulation and connection between the connecting rods to make the scissor mechanism lengthen or contract synchronously when the movable seat is extended or retracted, so as to make the slider and the roller evenly separate or close together, thereby ensuring the rationality and stability of the roller layout under different length conditions and effectively improving the stability of transportation.

[0014] (3) In the drive mechanism of the present invention, the second motor is matched with carefully designed guide sprockets, reversing sprockets, elastic rods and other components to form a stable and reliable transmission chain. The setting of the elastic rod effectively compensates for the change in chain tension when the device is extended, and the auxiliary sprocket further enhances the reliability of the transmission, ensuring that the roller can be stably driven to rotate under various working conditions to achieve smooth transportation of goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention.

[0016] Figure 2 for Figure 1 Partial side sectional view.

[0017] Figure 3 It is a structural diagram of the driving mechanism.

[0018] Figure 4 It is a structural schematic diagram of the adaptive adjustment mechanism.

[0019] 1-base; 2-fixed seat; 3-driving mechanism; 4-adaptive adjustment mechanism; 5-movable seat; 6-fixing screw 1; 7-slide 1; 8-roller; 9-slider; 10-auxiliary sprocket; 11-connecting sprocket; 12-guide groove; 13-slide 2; 14-fixing screw 2; 15-motor 1; 16-screw; 31-motor 2; 32-guide sprocket 1; 33-driving sprocket; 34-elastic rod 1; 35-installing groove one; 36-reversing sprocket one; 37-elastic rod two; 38-reversing sprocket two; 39-installing groove two; 310-guide sprocket two; 311-chain; 312-guide sprocket three; 41-fixed shaft one; 42-connecting rod one; 43-connecting rod two; 44-connecting shaft; 45-connecting rod four; 46-fixed shaft two; 47-slide block; 48-outer shell; 49-connecting rod three; 410-movable cavity. DETAILED DESCRIPTION

[0020] like Figure 1 and Figure 2As shown, this specific embodiment adopts the following technical scheme: an adjustable roller transport device, including a base 1, a fixed base 2, a driving mechanism 3, an adaptive adjustment mechanism 4, a movable base 5, a fixing screw 1 6, a slide 1 7, a roller 8, a slider 9, an auxiliary sprocket 10, a connecting sprocket 11, a guide groove 12, a slide 2 13, a fixing screw 2 14, a motor 15 and a screw 16; the fixed base 2 is two, the bottoms of the two fixed bases 2 are respectively fixedly connected to the front and rear positions on the base 1, and the upper parts of the outer sides of the two fixed bases 2 are provided with a transverse guide groove 12, and the center of the guide groove 12 is provided with a transverse slide 2 13; the movable base 5 is two, the outer parts of the two movable bases 5 are transversely movably connected to the corresponding guide groove 12, and the central parts of the left sides of the two movable bases 5 are provided with a transverse slide 1 7; the slider 9 is a plurality of, and the plurality of sliders 9 are respectively arranged transversely and movably connected to the corresponding slide 1 7 and slide 2 13, and the plurality of sliders 9 are movably connected with rollers 8, and the front ends of the rollers 8 are fixedly connected with connecting sprockets 11, and the front sides of several sliders 9 are movably connected with auxiliary sprockets 10 on both sides, wherein the slider 9 on the right is fixedly connected to the right side of the slide groove 7 by a fixing screw 16, and the slider 9 on the left is fixedly connected to the left side of the slide groove 2 13 by a fixing screw 2 14; there are two adaptive adjustment mechanisms 4, and the two adaptive adjustment mechanisms 4 are respectively fixedly connected to the bottom of the corresponding movable seat 5, and the upper sides of the two adaptive adjustment mechanisms 4 are respectively connected to the bottom of the corresponding slider 9; the driving mechanism 3 is arranged on the outer side of the fixed seat 2 on the front side, and the upper side of the driving mechanism 3 is connected to the connecting sprocket 11 and the auxiliary sprocket 10; the motor 15 is fixedly connected to the left side of the guide groove 12; the screw 16 is movably connected to the lower side of the guide groove 12, the left center of the screw 16 is fixedly connected to the right output shaft of the motor 15, and the right side of the screw 16 is connected to the threaded hole set on the lower side of the movable seat 5.

[0021] like Figure 3As shown, the specific structure of the driving mechanism 3 includes a motor 2 31, a guide sprocket 1 32, a driving sprocket 33, an elastic rod 1 34, a mounting groove 1 35, a reversing sprocket 1 36, an elastic rod 2 37, a reversing sprocket 2 38, a mounting groove 2 39, a guide sprocket 2 310, a chain 311 and a guide sprocket 3 312; the motor 2 31 is fixedly connected to the inner side of the fixed seat 2, and the driving sprocket 33 is fixedly connected to the outer output shaft of the motor 2 31; the guide sprocket 1 32 is located on the upper right side of the driving sprocket 33, and the guide sprocket 1 32 is movably connected to the outer side of the fixed seat 2; the mounting groove 1 35 and the mounting groove 2 39 are both provided on the outer side surface of the fixed seat 2 on the front side. The left side of the second mounting groove 39 is fixedly connected with an elastic rod 1 34, and the right side of the first mounting groove 35 is fixedly connected with an elastic rod 2 37; the right front side of the elastic rod 1 34 is movably connected with a reversing sprocket 2 38; the left front side of the elastic rod 2 37 is movably connected with a reversing sprocket 1 36; the guide sprocket 2 310 is movably connected to the right side of the outer side of the fixed seat 2; the guide sprocket 312 is movably connected to the lower right side of the outer side of the movable seat 5; the chain 311 is connected to all the auxiliary sprockets 10 and the connecting sprocket 11 through the guide sprocket 1 32, the driving sprocket 33, the reversing sprocket 2 38, the reversing sprocket 1 36, the guide sprocket 2 310 and the guide sprocket 3 312.

[0022] The second motor 31 is a servo motor or a stepper motor, so that the second motor 31 can be easily controlled by the existing automation technology; the first installation slot 35 and the second installation slot 39 are parallel to each other.

[0023] like Figure 4As shown, the specific structure of the adaptive adjustment mechanism 4 includes a fixed shaft 1 41, a connecting rod 1 42, a connecting rod 2 43, a connecting shaft 44, a connecting rod 45, a fixed shaft 2 46, a slide block 47, an outer shell 48, a connecting rod 3 49 and a movable cavity 410; the movable cavity 410 is arranged inside the lower side of the fixed seat 2, and the outer shell 48 is movably connected inside the movable cavity 410, and the upper side of the outer shell 48 is fixedly connected to the lower side of the movable seat 5; the fixed shaft 1 41 is fixedly connected to the left center of the movable cavity 410; the fixed shaft 2 46 is fixedly connected to the right center of the outer shell 48; there are two connecting rods 1 42, and the left interiors of the two connecting rods 1 42 are movably connected to the outside of the fixed shaft 1 41; there are two connecting rods 45, and the right interiors of the two connecting rods 45 are movably connected to the fixed shaft 2 4 6 exterior; there are several connecting rods 2 43, and several connecting rods 2 43 are movably connected between the head and tail, wherein the connecting rod 2 43 on the left side is hinged to the right side of the corresponding connecting rod 1 42, and the connecting rod 2 43 on the right side is hinged to the left side of the corresponding connecting rod 4 45; there are several connecting rods 3 49, and the centers of several connecting rods 3 49 are movably connected to the centers of the corresponding connecting rods 2 43, and several connecting rods 3 49 are movably connected between the head and tail, wherein the connecting rod 3 49 on the left side is hinged to the right side of the corresponding connecting rod 1 42, and the connecting rod 3 49 on the right side is hinged to the left side of the corresponding connecting rod 4 45; there are several slide blocks 47, and the tops of several slide blocks 47 are respectively fixedly connected to the bottom centers of the corresponding sliders 9, and the central interiors of several slide blocks 47 are respectively movably connected to the upper sides of the corresponding connecting rods 3 49.

[0024] Among them, the length of the connecting rod 1 42 and the connecting rod 4 45 is equal to half the length of the connecting rod 2 43 and the connecting rod 3 49; the central interior of the slide block 47 is a long groove; the motor 15 is a servo motor or a stepper motor, so it is convenient to control the motor 15 through existing automation technology.

[0025] The usage status of the present invention is as follows: the present invention has a reasonable and simple structure, low production cost and convenient installation. When the adjustable roller transport device is needed to transport items, the length of the device must first be adjusted according to the transport length of the items, and the motor 15 is started. The right output shaft of the motor 15 drives the screw 16 to rotate. Since the right side of the screw 16 is connected to the threaded hole set on the lower side of the movable seat 5, and the outer side of the movable seat 5 is laterally movably connected to the corresponding guide groove 12, the rotation of the screw 16 will drive the movable seat 5 to extend along the guide groove 12. At this time, a transverse slide groove 17 is provided in the central part of the left side of the two movable seats 5, and a plurality of sliders 9 are respectively arranged laterally and movably connected to the corresponding slide groove 17 and slide groove 2 13. When the movable seat 5 is extended, it will bring The outer shell 48 in the dynamic adaptive adjustment mechanism 4 is extended out together, and the fixed shaft 1 41 inside the adaptive adjustment mechanism 4 is fixedly connected to the left center of the active cavity 410, the fixed shaft 2 46 is fixedly connected to the right center of the outer shell 48, the left interior of the connecting rod 1 42 is movably connected to the outside of the fixed shaft 1 41, the right interior of the connecting rod 45 is movably connected to the outside of the fixed shaft 2 46, the connecting rod 2 43 is movably connected between the head and the tail, and the left connecting rod 2 43 is hinged to the right side of the corresponding connecting rod 1 42, the right connecting rod 2 43 is hinged to the left side of the corresponding connecting rod 4 45, the center of the connecting rod 3 49 is movably connected to the center of the corresponding connecting rod 2 43 and is movably connected between the head and the tail, the left connecting rod 3 49 is hinged to the right side of the corresponding connecting rod 1 42, and the right connecting rod 3 49 is hinged to the left side of the corresponding connecting rod 4 The corresponding connecting rod four 45 is hinged on the left side, and the tops of several slide blocks 47 are respectively fixedly connected to the bottom centers of the corresponding sliders 9, and the central interiors of several slide blocks 47 are respectively movably connected to the upper sides of the corresponding connecting rods three 49. In this way, as the movable seat 5 is extended, the internal scissor mechanism (composed of connecting rod one 42, connecting rod two 43, connecting rod three 49, connecting rod four 45, etc.) will be stretched, so that several sliders 9 and rollers 8 can be evenly separated, meeting the needs of using the device after extension. In terms of the driving mechanism 3, the motor two 31 is fixedly connected to the inner side of the fixed seat 2, and the driving sprocket 33 is fixedly connected to the outer output shaft of the motor two 31. The guide sprocket one 32 is located on the upper right side of the driving sprocket 33 and is movably connected to the outer side of the fixed seat 2. The mounting groove one 35 and the mounting groove two 39 are all arranged on the outer side of the fixed seat 2 on the front side and are parallel to each other. The left side of the second mounting groove 39 is fixedly connected with an elastic rod 1 34, and the right front side of the elastic rod 1 34 is movably connected with a reversing sprocket 2 38. The right side of the mounting groove 1 35 is fixedly connected with an elastic rod 2 37, and the left front side of the elastic rod 2 37 is movably connected with a reversing sprocket 1 36. The guide sprocket 2 310 is movably connected to the right side of the outer side of the fixed seat 2, and the guide sprocket 3 312 is movably connected to the lower right side of the outer side of the movable seat 5. The chain 311 is connected to all the auxiliary sprockets 10 and the connecting sprocket 11 through the guide sprocket 1 32, the driving sprocket 33, the reversing sprocket 2 38, the reversing sprocket 1 36, the guide sprocket 2 310 and the guide sprocket 3 312. The elastic rod 1 34 and the elastic rod 2 37 are arranged.The auxiliary sprocket 10 can meet the needs of the chain 311 transmission after the device is extended, and the reliability and stability of the chain 311 transmission can be improved, so that the roller 8 can be driven to rotate through the driving mechanism 3 to realize the transportation of the items on the roller 8.

[0026] The control method in the present invention is to start manually or control through existing automation technology. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and wiring layout in detail.

[0027] In the description of the invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element 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 invention.

[0028] In the invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screw-on" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the invention according to the specific circumstances.

[0029] The above shows and describes the basic principles, main features and advantages of the invention. Those skilled in the art should understand that the invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the invention. Without departing from the spirit and scope of the invention, the invention may have various changes and improvements, which shall fall within the scope of the invention to be protected. The scope of protection of the invention shall be defined by the attached claims and their equivalents.

Claims

1. An adjustable roller conveyor, characterized in that: It comprises a base (1), a fixed seat (2), a driving mechanism (3), an adaptive adjustment mechanism (4), a movable seat (5), a fixing screw (6), a slide groove (7), a roller (8), a slider (9), an auxiliary sprocket (10), a connecting sprocket (11), a guide groove (12), a second slide groove (13), a fixing screw (14), a motor (15) and a screw (16); There are two fixing seats (2), the bottoms of the two fixing seats (2) are respectively fixedly connected to the front and rear positions of the base (1), and a transverse guide groove (12) is provided on the upper part of the outer side surface of the two fixing seats (2), and a transverse slide groove (13) is provided in the center of the guide groove (12); There are two movable seats (5), the exteriors of the two movable seats (5) are movably connected to the interiors of corresponding guide grooves (12) in a transverse manner, and a transverse slide groove (7) is provided in the central interiors of the left sides of the two movable seats (5); There are a plurality of sliders (9), and the sliders (9) are arranged in a transverse manner and are movably connected to the corresponding slide grooves 1 (7) and 2 (13). The sliders (9) are movably connected to rollers (8) relative to each other, and the front ends of the rollers (8) are fixedly connected to connecting sprockets (11). Both sides of the front sides of the sliders (9) are movably connected to auxiliary sprockets (10), wherein the right slider (9) is fixedly connected to the right side of the slide groove 1 (7) by means of fixing screws 1 (6), and the left slider (9) is fixedly connected to the left side of the slide groove 2 (13) by means of fixing screws 2 (14); There are two adaptive adjustment mechanisms (4), and the two adaptive adjustment mechanisms (4) are respectively fixedly connected to the bottom of the corresponding movable seat (5), and the upper sides of the two adaptive adjustment mechanisms (4) are respectively connected to the bottom of the corresponding slider (9); The driving mechanism (3) is arranged outside the front fixing seat (2), and the upper side of the driving mechanism (3) is connected to the connecting sprocket (11) and the auxiliary sprocket (10); The motor 1 (15) is fixedly connected to the left side of the guide groove (12); The screw rod (16) is movably connected to the lower side of the guide groove (12), the left center of the screw rod (16) is fixedly connected to the right output shaft of the motor 1 (15), and the right side of the screw rod (16) is connected to a threaded hole provided on the lower side of the movable seat (5).

2. The adjustable roller conveyor according to claim 1, characterized in that: The specific structure of the driving mechanism (3) includes a second motor (31), a first guide sprocket (32), a driving sprocket (33), a first elastic rod (34), a first mounting groove (35), a first reversing sprocket (36), a second elastic rod (37), a second reversing sprocket (38), a second mounting groove (39), a second guide sprocket (310), a chain (311) and a third guide sprocket (312); The second motor (31) is fixedly connected to the inner side of the fixing seat (2), and a driving sprocket (33) is fixedly connected to the outer output shaft of the second motor (31); The guide sprocket wheel 1 (32) is located on the upper right side of the driving sprocket wheel (33), and the guide sprocket wheel 1 (32) is movably connected to the outer side of the fixing seat (2); The first mounting groove (35) and the second mounting groove (39) are both formed on the outer side of the front fixing seat (2); the left side of the second mounting groove (39) is fixedly connected to the first elastic rod (34), and the right side of the first mounting groove (35) is fixedly connected to the second elastic rod (37); The right front side of the first elastic rod (34) is movably connected to a second reversing sprocket (38); The left front side of the second elastic rod (37) is movably connected to a reversing sprocket (36); The second guide sprocket (310) is movably connected to the right side of the outer side of the fixing seat (2); The guide sprocket three (312) is movably connected to the lower right side of the outer side surface of the movable seat (5); The chain (311) is connected to all the auxiliary sprockets (10) and the connecting sprocket (11) via a guide sprocket 1 (32), a driving sprocket (33), a reversing sprocket 2 (38), a reversing sprocket 1 (36), a guide sprocket 2 (310) and a guide sprocket 3 (312).

3. The adjustable roller conveyor according to claim 2, characterized in that: The second motor (31) is a servo motor or a stepper motor.

4. The adjustable roller conveyor according to claim 2, characterized in that: The first mounting groove (35) and the second mounting groove (39) are parallel to each other.

5. The adjustable roller conveyor according to claim 1, characterized in that: The specific structure of the adaptive adjustment mechanism (4) includes a fixed shaft 1 (41), a connecting rod 1 (42), a connecting rod 2 (43), a connecting shaft (44), a connecting rod 4 (45), a fixed shaft 2 (46), a slide block (47), an outer shell (48), a connecting rod 3 (49) and a movable chamber (410); The movable chamber (410) is disposed inside the lower side of the fixed seat (2), the movable chamber (410) is movably connected to the outer shell (48), and the upper side of the outer shell (48) is fixedly connected to the lower side of the movable seat (5); The fixed shaft 1 (41) is fixedly connected to the center of the left side of the movable chamber (410); The second fixed shaft (46) is fixedly connected to the center of the right side inside the outer shell (48); There are two connecting rods (42), and the left inner portions of the two connecting rods (42) are movably connected to the outside of the fixed shaft (41); There are two connecting rods 4 (45), and the right sides of the two connecting rods 4 (45) are both movably connected to the outside of the fixed shaft 2 (46); There are a plurality of connecting rods 2 (43), and the plurality of connecting rods 2 (43) are movably connected at their ends, wherein the connecting rod 2 (43) on the left side is hinged to the right side of the corresponding connecting rod 1 (42), and the connecting rod 2 (43) on the right side is hinged to the left side of the corresponding connecting rod 4 (45); There are a plurality of connecting rods three (49), the centers of a plurality of connecting rods three (49) are movably connected to the centers of corresponding connecting rods two (43), and a plurality of connecting rods three (49) are movably connected between the head and tail, wherein the connecting rod three (49) on the left side is hinged to the right side of the corresponding connecting rod one (42), and the connecting rod three (49) on the right side is hinged to the left side of the corresponding connecting rod four (45); There are a plurality of slide blocks (47), the tops of the plurality of slide blocks (47) are respectively fixedly connected to the center of the bottom of the corresponding slider (9), and the central interiors of the plurality of slide blocks (47) are respectively movably connected to the upper sides of the corresponding connecting rods (49).

6. The adjustable roller conveyor according to claim 5, characterized in that: The length of the connecting rod one (42) and the connecting rod four (45) is equal to half the length of the connecting rod two (43) and the connecting rod three (49).

7. The adjustable roller conveyor according to claim 5, characterized in that: The central interior of the slide block (47) is a long groove.

8. The adjustable roller conveyor according to claim 1, characterized in that: The motor 1 (15) is a servo motor or a stepper motor.