CN210418012U

CN210418012U - Roller chain conveying line

Info

Publication number: CN210418012U
Application number: CN201921159399.2U
Authority: CN
Inventors: 丁志坚
Original assignee: Dongguan Weichuang Automation Equipment Co Ltd
Current assignee: Dongguan Weichuang Automation Equipment Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to the technical field of conveying lines, and discloses a roller chain conveying line, which comprises a conveying profile, a driven wheel, a roller chain, a transmission mechanism and a tensioning device; the conveying section bar is arranged in a strip shape, a first through cavity is formed in the upper portion of the conveying section bar along the length direction of the conveying section bar, the upper portion of the first through cavity is arranged in an open manner, a conveying end face used for conveying articles is formed at the open position, and a second through cavity is formed in the lower portion of the conveying section bar; the transmission mechanism and the tensioning device are arranged at one end of the conveying section bar, and the transmission mechanism comprises a rotating shaft, a motor for driving the rotating shaft to rotate and a driving wheel; the driven wheel is arranged at the other end of the conveying profile, the roller chain sequentially passes through the first through cavity, the driven wheel, the second through cavity, the driving wheel and the tensioning device, and a ring loop is formed.

Description

Roller chain conveying line

Technical Field

The patent of the utility model relates to a technical field of transfer chain particularly, relates to roller chain transfer chain.

Background

With the rising of labor cost and the popularization of automation, as an economic prop industry, the steady development of the mechanical industry is a necessary condition for the successful transformation of economy in China and a necessary result for the continuous transfer of the international equipment industry. In the production and transportation process, the automatic conveying system can select horizontal or inclined conveying operation modes according to a production site and the environment.

The roller chain conveying line is used as an efficient conveying mode, can freely stretch and retract in the production process, and achieves the purpose of automatic production; the conveying operation at various angles can be carried out, and higher production efficiency is brought to enterprises.

In the prior art, a roller chain conveying device generally adopts a motor, rollers and a conveying belt, wherein the motor drives the rollers, and the rollers drive the conveying belt, so that the conveying of articles is realized; after a long time of use, the conveyor belt is worn, and the tension is reduced, which leads to the reduction of the rotating efficiency of the belt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roller chain transfer chain aims at solving prior art, and conveyor belt can produce wearing and tearing, and the tensile force can descend thereupon to lead to the problem that belt rotation efficiency descends.

The roller chain conveying line comprises a conveying section bar, a roller chain, a driven wheel, a transmission mechanism and a tensioning device; the conveying section bar is arranged in a strip shape, a first through cavity is formed in the upper portion of the conveying section bar along the length direction of the conveying section bar, the upper portion of the first through cavity is arranged in an open manner, a conveying end face for conveying articles is formed at the open portion, and a second through cavity is formed in the lower portion of the conveying section bar; the transmission mechanism and the tensioning device are arranged at one end of the conveying profile, and the transmission mechanism comprises a rotating shaft, a motor for driving the rotating shaft to rotate and a driving wheel; the driven wheel is arranged at the other end of the conveying profile, and the roller chain sequentially penetrates through the first through cavity, the driven wheel, the second through cavity, the driving wheel and the tensioning device to form an annular loop.

Furthermore, the tensioning device comprises a supporting arm which is vertically arranged, two swinging arms which are obliquely arranged and two limiting groove strips; a bearing is connected between the front ends of the two swing arms, a tension wheel used for tensioning the roller chain is arranged on the bearing, a rotating shaft is arranged between the rear ends of the two swing arms, an arc-shaped notch is formed on the rear side wall of the middle part of the supporting arm, the rotating shaft is clamped on the arc-shaped notch, and the swing arms can swing around the arc-shaped notch in a reciprocating manner; the front end of the swing arm is provided with a limiting hole, the limiting groove strip is movably arranged in the limiting hole, the bottom of the limiting groove strip is hinged with the bottom of the supporting arm, and the top of the limiting groove strip extends upwards and is arranged in an arc shape in an empty mode; the middle part of swing arm is provided with first fixed block, the second fixed block has been arranged to the bottom of support arm, first fixed block with be connected with first elasticity post between the second fixed block.

Further, a guide block is arranged on the front side wall of the supporting arm, and the bottom of the guide block extends towards the rotating shaft and is hinged with the rotating shaft; the guide block includes straight section and crooked section, straight section with the laminating of the preceding lateral wall of support arm is arranged, crooked section orientation the top of support arm is extended, and is passed the top of support arm is vacant and arranges, crooked section is the arc.

Furthermore, first limit blocks are respectively arranged on two side walls of the supporting arm and are arranged above the swing arm; and second limiting blocks are respectively arranged on the two side walls of the supporting arm and are arranged below the swing arm.

Furthermore, the lower part of the first limiting block is provided with a first abutting surface which is arranged towards the swing arm, and the first abutting surface is obliquely arranged, the lower part of the second limiting block is provided with a second abutting surface which is arranged towards the swing arm, and the second abutting surface is obliquely arranged; when the swing arm abuts against the first abutting surface, the inclination angle of the swing arm is consistent with that of the first abutting surface, and when the swing arm abuts against the second abutting surface, the inclination angle of the swing arm is consistent with that of the second abutting surface.

Further, the middle of the conveying section bar is provided with a rectangular cavity, an upper mounting hole is formed right above the rectangular cavity, a lower mounting hole is formed right below the rectangular cavity, and the rectangular cavity, the upper mounting hole and the lower mounting hole penetrate through the radial direction of the conveying section bar.

Furthermore, along the length direction of the conveying profile, protruding strips which are parallel and opposite to each other are convexly arranged on two side walls of the first through cavity and two side walls of the second through cavity, a first conveying passage for conveying the roller chain is formed between the two protruding strips of the first through cavity, a second conveying passage for conveying the roller chain is formed between the two protruding strips of the second through cavity, and a first friction cover plate is sleeved on the protruding strips.

Furthermore, the protruding strips comprise horizontal sections, the front ends of the horizontal sections are fixedly connected with the side wall of the first through cavity or the side wall of the second through cavity, the rear ends of the horizontal sections respectively extend upwards in a super-vertical mode and downwards in a vertical mode to form vertical sections, and the protruding strips are arranged in a T shape; the first friction cover plate comprises a long block, the middle part of the long block is provided with an accommodating cavity penetrating through two ends of the long block, and the accommodating cavity is cuboid; along the length direction of the long strip block, a rectangular opening is formed in the middle of one side face of the long strip block, the rectangular opening is communicated with the accommodating cavity, and the edge of the rectangular opening extends towards the direction departing from the accommodating cavity to form a limiting strip; when the first friction cover plate is sleeved on the protruding strips, the limiting strips are pressed on the horizontal section in a propping mode, and the vertical section is embedded into the accommodating cavity.

Further, the conveying section bars comprise a first conveying section bar and a second conveying section bar, the first conveying section bar and the second conveying section bar are arranged oppositely in parallel, T-shaped grooves are formed in the side walls of the first conveying section bar and the second conveying section bar, and the first conveying section bar and the second conveying section bar are fixedly connected through T-shaped screws; two ends of the rotating shaft respectively penetrate through the first conveying section bar and the second conveying section bar along the transverse direction of the first conveying section bar and the second conveying section bar; when the motor drives the rotating shaft to operate, the rotating shaft simultaneously drives the driving wheel of the first conveying profile and the driving wheel of the second conveying profile to operate.

Furthermore, a cover plate covers the upper portion of the driving wheel in a sealing mode, an opening is formed in the middle of the cover plate, the upper portion of the driving wheel is embedded into the opening, and a gap is formed between the edge of the driving wheel and the opening.

Compared with the prior art, the utility model provides a transmission mechanism and overspeed device tensioner are arranged to the roller chain transfer chain on the roller chain transfer line, and like this, when transmission mechanism drive roller chain pivoted, overspeed device tensioner can adjust the elasticity state of roller chain at any time, can guarantee that the roller chain is in the tensioning state always to guarantee the high-efficient transmission of roller chain, and then improve conveying efficiency, have very strong practicality.

Drawings

Fig. 1 is a schematic perspective view of a roller chain conveying line provided by the present invention;

fig. 2 is a sectional view of a conveying profile of the roller chain conveying line provided by the present invention;

fig. 3 is a schematic perspective view of the roller chain and the tensioning device in the roller chain conveying line provided by the present invention;

fig. 4 is a schematic perspective view of a tensioner of a roller chain conveying line provided by the present invention;

fig. 5 is an exploded schematic view of a tensioner of a roller chain conveyor line provided by the present invention;

fig. 6 is a schematic perspective view of a conveying profile of the roller chain conveying line provided by the present invention;

fig. 7 is a schematic perspective view of a conveying profile and a roller chain in the roller chain conveying line provided by the present invention;

fig. 8 is a schematic perspective view of a first friction cover plate of the roller chain conveying line provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is 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 invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-8, the preferred embodiment of the present invention is shown.

Comprises a conveying profile 100, a roller chain 150, a driven wheel, a transmission mechanism and a tensioning device 300; the conveying section bar 100 is arranged in a strip shape, along the length direction of the conveying section bar 100, the upper part of the conveying section bar 100 is provided with a first through cavity 112, the upper part of the first through cavity 112 is arranged in an open manner, a conveying end face for conveying articles is formed at the open position, and the lower part of the conveying section bar 100 is provided with a second through cavity 111; the transmission mechanism and the tensioning device 300 are arranged at one end of the conveying section bar 100, and the transmission mechanism comprises a rotating shaft 80, a motor 90 for driving the rotating shaft 80 to rotate and a driving wheel 10; the driven wheel is arranged at the other end of the conveying profile, and the roller chain 150 passes through the first through cavity 112, the driven wheel, the second through cavity 111, the driving wheel 10 and the tensioning device 300 in sequence and forms an annular loop.

Above-mentioned roller chain transfer chain that provides arranges drive mechanism and overspeed device tensioner 300 on roller chain 150 transfer chain, like this, when drive mechanism drive roller chain 150 pivoted, overspeed device tensioner 300 can adjust the elasticity state of roller chain 150 at any time, can guarantee that roller chain 150 is in the tensioning state always to guarantee the high-efficient transmission of roller chain 150, and then improve conveying efficiency, have very strong practicality.

The tensioning device 300 comprises a vertically arranged supporting arm 200, two obliquely arranged swing arms 210 and two limiting groove strips 310; a bearing 217 is connected between the front ends of the two swing arms 210, a tension wheel 230 for tensioning the roller chain 150 is arranged on the bearing 217, a rotating shaft 216 is arranged between the rear ends of the two swing arms 210, an arc-shaped notch 218 is formed on the rear side wall of the middle part of the supporting arm 200, the rotating shaft 216 is clamped on the arc-shaped notch 218, and the swing arms 210 can swing around the arc-shaped notch 218 in a reciprocating manner; a limiting hole is formed in the front end of the swing arm 210, the limiting groove strip 310 is movably arranged in the limiting hole, the bottom of the limiting groove strip 310 is hinged with the bottom of the supporting arm 200, and the top of the limiting groove strip 310 extends upwards and is arranged in an arc shape in an empty mode; the middle part of swing arm 210 is provided with first fixed block, and the second fixed block has been arranged to the bottom of support arm 200, is connected with first elasticity post 214 between first fixed block and the second fixed block.

On one hand, in the process of conveying the roller chain 150, the tension wheel 230 can play a certain tensioning role on the roller chain 150, on the other hand, the swing arm 210 arranged with the tension wheel 230 can rotate around the supporting arm 200 in a reciprocating mode, and the bottom end of the supporting arm 200 and the middle of the swing arm 210 are connected with the first elastic column 214, so that in the process of running the roller chain 150, when the roller chain 150 is too loose or too tight, the first elastic column 214 can stretch automatically and swing the swing arm 210, manual operation is not needed, the roller chain 150 can be adjusted to be in a proper tightness state, and the roller chain has strong practicability.

In addition, the limiting groove 310 can limit and guide the swinging track of the swing arm 210, thereby ensuring that the roller chain 150 is more tensely and orderly.

Specifically, under the driving of the driving wheel 10, the roller chain 150 sequentially passes through the tension wheel 230 and the guide block 220, when the roller chain 150 is tight, the swing arm 210 swings upward, and when the roller chain swings to a proper tightness, the first elastic column 214 tensions the swing arm 210, and at this time, the roller chain 150 reaches a proper tightness; when the roller chain 150 is loose, the resilient posts 214 pull the swing arm 210 downward and the swing arm 210 swings downward.

An operating block 215 is formed on the outer side wall of the front end of the swing arm 210, the operating block 215 is arranged in the direction away from the tension wheel 230, when the automatic tension of the roller chain 150 is in trouble or delayed, the swing arm 210 and the first elastic column 214 can be pressed and stimulated through the operating block 215, and the fault tolerance of the roller chain 150 automatic tensioning device 300 is further increased.

The both ends of bearing 217 extend outwards and form the protruding end, fixed set has fixed strip 321 on the protruding end, spacing hole forms on fixed strip 321, the one end of fixed strip 321 extends towards deviating from axis of rotation 216 direction, and be the vacant end of vacant arrangement, be connected with second elastic column 320 between vacant end and the operation piece 215, first of all, fixed strip 321 is with bearing 217 fixed connection, like this, when roller chain 150 is in the operation, after roller chain 150 appears relaxing, second elastic column 320 can stimulate fixed strip 321, fixed strip 321 drives bearing 217 and rotates, thereby take up roller chain 150.

The guide block 220 is disposed on the front side wall of the support arm 200, the bottom of the guide block 220 extends toward the rotation shaft 216 and is hinged to the rotation shaft 216, and the guide block 220 can guide the transmission direction of the roller chain 150.

The guide block 220 comprises a straight section and a bent section, the straight section is attached to the front side wall of the support arm 200, the bent section extends towards the top of the support arm 200 and is arranged in a vacant mode over the top of the support arm 200, the bent section is in an arc shape, and the bent section arranged in the arc shape is more moderate, so that the roller chain 150 is smoother in the transmission process.

The ends of the curved segments extend in a horizontal direction to form horizontal segments, and finally, the roller chain 150 is horizontally disposed when it exits from the horizontal segments, thereby facilitating subsequent conveyance of articles to be conveyed.

A first limit block 211 is arranged on the side wall of the support arm 200, the first limit block 211 is arranged above the swing arm 210, a second limit block 212 is arranged on the support arm 200, and the second limit block 212 is arranged below the swing arm 210; when the swing arm 210 swings upward to a certain extent, the swing arm 210 abuts against the first stopper 211, and when the swing arm 210 swings upward to a certain extent, the swing arm 210 abuts against the second stopper 212.

The first and

second stoppers

211 and 212 can limit the swing range of the swing arm 210, so that the automatic roller chain tensioner 300 is more stable when the roller chain 150 is adjusted to be loosened and tightened.

The lower part of the first limiting block 211 is provided with a first abutting surface which is arranged towards the swing arm 210, the first abutting surface is arranged in an inclined manner, the lower part of the second limiting block 212 is provided with a second abutting surface which is arranged towards the swing arm 210, and the second abutting surface is arranged in an inclined manner; when the swing arm 210 abuts against the first abutting surface, the inclination angle of the swing arm 210 is consistent with that of the first abutting surface, and when the swing arm 210 abuts against the second abutting surface, the inclination angle of the swing arm 210 is consistent with that of the second abutting surface; like this, when the swing arm 210 supports and presses on first support pressure face or the second support pressure face, swing arm 210 and first stopper 211 or second stopper 212 between have bigger area of contact, the two support when pressing the structure more stable, firm to can not cause the damage to the stopper.

The rear side wall of the top of the support arm 200 extends in the horizontal direction to form a limiting column 201, and the limiting column 201 can limit the roller chain 150 along the width direction of the roller chain 150, so that the roller chain 150 does not deviate from the conveying path when entering the guide block 220 through the support arm 200.

The tension pulley 230 is provided with a bearing surface for bearing the roller chain 150, the middle of the bearing surface is provided with a groove, and the groove is arranged along the circumferential direction of the tension pulley 230, so that in the process of conveying the roller chain 150, the protrusion in the middle of the roller chain 150 can just sink into the groove, on one hand, the protrusion fits the outline structure of the roller chain 150, on the other hand, when the protrusion of the roller chain 150 sinks into the groove, the roller chain 150 in the process of conveying can be limited and guided, and the roller chain 150 is not easy to slip and is not easy to deviate from the tension pulley 230.

In addition, the middle part of the conveying profile 100 is provided with a rectangular cavity 130, an upper mounting hole 136 is formed right above the rectangular cavity 130, a lower mounting hole 131 is formed right below the rectangular cavity 130, the upper mounting hole 136 and the lower mounting hole 131 penetrate through the radial direction of the conveying profile 100, and fittings for assisting the transmission of the roller chain 150 can be fixed in the upper mounting hole 136 and the lower mounting hole 131 which are arranged one above the other; rectangular cavity 130, last mounting hole 136 and lower mounting hole 131's setting can alleviate the weight of carrying section bar 100 greatly, is convenient for on the one hand to the transportation and the transfer of carrying section bar 100, and on the other hand reduces the manufacturing materials of carrying section bar 100, reduces the cost.

The two positioning holes 140 are formed in the bottom of the conveying profile 100, the two positioning holes 140 are respectively arranged on two sides of the T-shaped groove 132, the positioning holes 140 extend along the length direction of the conveying profile 100 and penetrate through the conveying profile 100, the longitudinal direction of the conveying profile 100, namely the conveying direction of the roller chain 150, can be positioned better, the conveying profile 100 is less prone to deviation, and the accuracy in the conveying process is improved.

Along the length direction of the conveying profile 100, protruding strips 134 which are arranged in a flush and opposite mode are convexly arranged on two side walls of the first through cavity 112 and two side walls of the second through cavity 111, a first conveying passage for conveying the roller chain is formed between the two protruding strips 134 of the first through cavity 112, a second conveying passage for conveying the roller chain 150 is formed between the two protruding strips 134 of the second through cavity, and a first friction cover plate 133 is sleeved on each protruding strip; the first friction cover plates 133 arranged on two sides of the first transmission path and the second transmission path can separate the roller chain 150 from the conveying profile 100, so that when the roller chain 150 runs, the roller chain 150 is not directly contacted with the conveying profile 100, abrasion to the conveying profile 100 is avoided, the abrasion resistance of the conveying profile 100 is greatly improved, the service life of the conveying profile 100 is prolonged, and the roller chain has high practicability.

In addition, protruding strip 134 includes the horizontal segment, the front end of horizontal segment and the lateral wall fixed connection that first leads to chamber 112 or the lateral wall of second logical chamber 111, the rear end of horizontal segment surpasss vertical upwards and vertical downwardly extending forms vertical section respectively, protruding strip 134 is the T shape and arranges, two protruding strips 134 that are the T shape and arrange enclose and close and form first transfer passage and second transfer passage, like this, in transmission process, protruding strip 134 can play the effect to chain 150 direction on the one hand, on the other hand, can also play the effect spacing to chain 150, the advancing direction of chain 150 is more normal stable, be difficult for taking place to rock or the skew at first transfer passage or second transfer passage, and then promote the stability in the chain 150 transmission process.

The first friction cover plate 133 comprises a long strip block, the middle part of the long strip block is provided with an accommodating cavity 151 penetrating through two ends of the long strip block, and the accommodating cavity 151 is cuboid; along the length direction of the long block, the middle part of one side surface of the long block is provided with a rectangular opening, the rectangular opening is communicated with the accommodating cavity 151, and the edge of the rectangular opening extends towards the direction departing from the accommodating cavity 151 to form a limiting strip 152; when the first friction cover plate 133 is sleeved on the protruding strips 134, the limiting strips 152 are pressed on the horizontal section, and the vertical section is embedded into the accommodating cavity 151, so that the first friction cover plate 133 can completely wrap the outer side surfaces of the protruding strips 134, interference between the chain 150 and the protruding strips 134 can be avoided, and meanwhile, the first friction cover plate 133 and the protruding strips 134 are more stably combined and are not easy to fall off.

Furthermore, the conveying profile 100 comprises a first conveying profile 100 and a second conveying profile 100, the first conveying profile 100 and the second conveying profile 100 are arranged oppositely in parallel, T-shaped grooves 132 are formed in the side walls of the first conveying profile 100 and the second conveying profile 100, and the first conveying profile 100 and the second conveying profile 100 are fixedly connected through T-shaped screws 128; meanwhile, the arrangement of the T-shaped groove 132 can also greatly reduce the weight of the conveying profile 100, facilitate the conveying and transferring of the roller chain 150 conveying line, and reduce the consumable material, thereby reducing the manufacturing cost.

The lower end face of the conveying section bar 100 is also provided with a T-shaped groove 132 to facilitate the fixing of the conveying section bar 100.

Along the transverse direction of the first conveying section bar and the second conveying section bar, two ends of the rotating shaft 80 respectively penetrate through the first conveying section bar and the second conveying section bar; when the motor 90 drives the rotating shaft 80 to operate, the rotating shaft 80 simultaneously drives the driving wheel 81 of the first conveying profile and the driving wheel 10 of the second conveying profile to operate, so that two roller chains 150 can be simultaneously driven to simultaneously convey only by installing one motor 90, energy consumption can be effectively saved, and conveying cost can be reduced.

The motor 90 is a servo motor 90, and the servo motor 90 is an engine that controls the operation of mechanical elements in a servo system, and is an auxiliary motor indirect speed change device. The speed and position accuracy can be controlled very accurately, and the voltage signal can be converted into torque and rotating speed to drive a controlled object. The rotor speed is controlled by the input signal, and can quickly respond, and can be used as an actuating element in an automatic control system, and has the advantages of small electromechanical time constant and high linearity.

In the process of conveying the roller chain 150, the products on the roller chain 150 are difficult to fall into some broken slag or other small particles, and the broken slag or other small particles are accumulated on the roller chain 150 as long as time passes, so that certain influence is caused on the operation of the roller chain 150, therefore, a cover plate is covered above the driving wheel 10, an opening is arranged in the middle of the cover plate, the upper part of the driving wheel 10 is embedded into the opening, a gap is arranged between the edge of the driving wheel 10 and the opening, and therefore when the broken slag on the belt rotates to the gap, the broken slag can fall from the gap, and accumulation of the broken slag can be effectively avoided.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The roller chain conveying line is characterized by comprising a conveying profile, a roller chain, a driven wheel, a transmission mechanism and a tensioning device; the conveying section bar is arranged in a strip shape, a first through cavity is formed in the upper portion of the conveying section bar along the length direction of the conveying section bar, the upper portion of the first through cavity is arranged in an open manner, a conveying end face for conveying articles is formed at the open portion, and a second through cavity is formed in the lower portion of the conveying section bar; the transmission mechanism and the tensioning device are arranged at one end of the conveying profile, and the transmission mechanism comprises a rotating shaft, a motor for driving the rotating shaft to rotate and a driving wheel; the driven wheel is arranged at the other end of the conveying profile, and the roller chain sequentially penetrates through the first through cavity, the driven wheel, the second through cavity, the driving wheel and the tensioning device to form an annular loop.

2. The roller chain conveyor line according to claim 1, wherein the tensioning device includes a vertically arranged support arm, two obliquely arranged swing arms, and two limit groove bars; a bearing is connected between the front ends of the two swing arms, a tension wheel used for tensioning the roller chain is arranged on the bearing, a rotating shaft is arranged between the rear ends of the two swing arms, an arc-shaped notch is formed on the rear side wall of the middle part of the supporting arm, the rotating shaft is clamped on the arc-shaped notch, and the swing arms can swing around the arc-shaped notch in a reciprocating manner; the front end of the swing arm is provided with a limiting hole, the limiting groove strip is movably arranged in the limiting hole, the bottom of the limiting groove strip is hinged with the bottom of the supporting arm, and the top of the limiting groove strip extends upwards and is arranged in an arc shape in an empty mode; the middle part of swing arm is provided with first fixed block, the second fixed block has been arranged to the bottom of support arm, first fixed block with be connected with first elasticity post between the second fixed block.

3. The roller chain conveyor line according to claim 2, wherein a guide block is disposed on a front side wall of the support arm, a bottom portion of the guide block extending toward the rotational shaft and being hinged to the rotational shaft; the guide block includes straight section and crooked section, straight section with the laminating of the preceding lateral wall of support arm is arranged, crooked section orientation the top of support arm is extended, and is passed the top of support arm is vacant and arranges, crooked section is the arc.

4. The roller chain conveying line according to claim 3, wherein first stopper blocks are respectively disposed on both side walls of the support arm, the first stopper blocks being disposed above the swing arm; and second limiting blocks are respectively arranged on the two side walls of the supporting arm and are arranged below the swing arm.

5. The roller chain conveying line according to claim 4, wherein a lower portion of the first stopper has a first abutting surface disposed toward the swing arm, the first abutting surface being disposed obliquely, a lower portion of the second stopper has a second abutting surface disposed toward the swing arm, the second abutting surface being disposed obliquely; when the swing arm abuts against the first abutting surface, the inclination angle of the swing arm is consistent with that of the first abutting surface, and when the swing arm abuts against the second abutting surface, the inclination angle of the swing arm is consistent with that of the second abutting surface.

6. The roller chain conveyor line according to any one of claims 1 to 5, wherein the conveyor section bar has a rectangular cavity in the middle, an upper mounting hole is formed right above the rectangular cavity, a lower mounting hole is formed right below the rectangular cavity, and the rectangular cavity, the upper mounting hole and the lower mounting hole all penetrate through the conveyor section bar in the radial direction.

7. The roller chain conveyor line according to any one of claims 1 to 5, wherein, along the length direction of the conveying profile, protruding strips are protruded on two side walls of the first through cavity and on two side walls of the second through cavity in a flush opposite arrangement, a first conveying passage for conveying the roller chain is formed between the two protruding strips of the first through cavity, a second conveying passage for conveying the roller chain is formed between the two protruding strips of the second through cavity, and a first friction cover plate is sleeved on the protruding strips.

8. The roller chain conveying line according to claim 7, wherein the raised strips comprise horizontal sections, the front ends of the horizontal sections are fixedly connected with the side walls of the first through cavities or the side walls of the second through cavities, the rear ends of the horizontal sections respectively extend upwards and downwards in a super-vertical mode to form vertical sections, and the raised strips are arranged in a T shape; the first friction cover plate comprises a long block, the middle part of the long block is provided with an accommodating cavity penetrating through two ends of the long block, and the accommodating cavity is cuboid; along the length direction of the long strip block, a rectangular opening is formed in the middle of one side face of the long strip block, the rectangular opening is communicated with the accommodating cavity, and the edge of the rectangular opening extends towards the direction departing from the accommodating cavity to form a limiting strip; when the first friction cover plate is sleeved on the protruding strips, the limiting strips are pressed on the horizontal section in a propping mode, and the vertical section is embedded into the accommodating cavity.

9. The roller chain conveying line according to any one of claims 1 to 5, wherein the conveying profiles comprise a first conveying profile and a second conveying profile, the first conveying profile and the second conveying profile are arranged oppositely in parallel, a T-shaped groove is formed in each of the side wall of the first conveying profile and the side wall of the second conveying profile, and the first conveying profile and the second conveying profile are fixedly connected through a T-shaped screw; two ends of the rotating shaft respectively penetrate through the first conveying section bar and the second conveying section bar along the transverse direction of the first conveying section bar and the second conveying section bar; when the motor drives the rotating shaft to operate, the rotating shaft simultaneously drives the driving wheel of the first conveying profile and the driving wheel of the second conveying profile to operate.

10. The roller chain conveyor line according to any one of claims 1 to 5, wherein a cover plate is closed over the drive wheel, the cover plate has an opening in a central portion thereof, the drive wheel is fitted over the opening, and a gap is provided between an edge of the drive wheel and the opening.