Material conveying device and production line system

Abstract

The utility model relates to a material conveying device and a production line system. The material conveying device comprises a guide rail assembly, a conveying trolley and a power distribution mechanism. The guide rail assembly is provided with a sliding channel. The sliding channel extends along a set direction and is arranged under the ground. The transporting trolley comprises a trolley body, a first driving assembly fixedly arranged on the trolley body and a connecting piece fixedly arranged on the trolley body. The first driving assembly is used for driving the vehicle body to move in the set direction. The connecting piece is in sliding fit with the sliding groove channel. The connecting piece is provided with a containing groove, and the containing groove is communicated with the sliding groove channel. The conveying assembly is driven by the vehicle body to move to be in butt joint fit with the production line. The wire group is used for electrically connecting an external power supply to the first driving assembly, so that the external power supply can supply power to the first driving assembly. The wire assembly is arranged in the containing groove in a penetrating mode and contained in the sliding groove channel. According to the invention, wired power supply and material transportation are realized, so that energy supply is stable; and meanwhile, the regularity of line distribution is improved, and good protection on the electric wire is realized.

Description

Technical Field

[0001] This application relates to the field of production line technology, and in particular to material handling devices and production line systems. Background Technology

[0002] With the continuous development of automated production technology, many manufacturers have adopted automated production lines for production. This involves transporting goods to the production line via transport vehicles, where they are processed, packaged, and performed on an assembly line to improve work efficiency.

[0003] To simplify manpower input, most transport vehicles currently use electric drive. Generally, the main methods for electric drive in transport vehicles are as follows: one is wired power supply, where the power cord is directly connected to the vehicle's motor for direct drive. However, in this technology, many manufacturers leave the power cords exposed on the ground for easy dragging during transport, resulting in messy wiring within the factory. The exposed wires are also more susceptible to damage, increasing the likelihood of electric shock accidents on the production line.

[0004] Secondly, wireless power supply can be used, such as placing the battery directly on the transport vehicle. However, wireless power supply methods for batteries have limited power duration and unstable power supply, requiring frequent replacement to maintain power supply efficiency, which increases manpower investment. Summary of the Invention

[0005] Therefore, it is necessary to provide a material handling device and production line system to address the problems of messy wiring and unstable power supply during the use of production lines.

[0006] A material handling device includes a guide rail assembly, a transport trolley, and a power distribution mechanism.

[0007] The guide rail assembly is provided with a sliding channel; the sliding channel extends along a predetermined direction and is disposed below the ground.

[0008] A transport trolley includes a vehicle body, a first drive assembly fixed to the vehicle body, and a connector fixed to the vehicle body; the first drive assembly is used to drive the vehicle body to move along the set direction; the connector passes through the sliding channel and is slidably engaged with the sliding channel; the connector is provided with a receiving groove, and the receiving groove is connected to the sliding channel.

[0009] A conveying assembly is connected to the vehicle body; the conveying assembly is used to move under the drive of the vehicle body to dock with the production line.

[0010] The power distribution mechanism includes a wire assembly; the wire assembly is used to electrically connect an external power source to the first drive assembly, so that the external power source can supply power to the first drive assembly; the wire assembly passes through the receiving groove and is housed in the sliding channel.

[0011] In one embodiment, the sliding channel includes a first side and a second side extending along the predetermined direction; the first side and the second side are spaced apart relative to each other along the width direction of the sliding channel; the guide rail assembly further includes at least one set of baffle assemblies; the baffle assembly includes a first baffle disposed on the first side and a second baffle disposed on the second side; the first baffle and the second baffle are spaced apart to form a slot; the slot communicates with the sliding channel, and the connector passes through the slot to slide with the sliding channel; wherein, the width direction is perpendicular to the predetermined direction; along the width direction, the width of the sliding channel is greater than the width of the slot.

[0012] And / or, the material conveying device further includes a tank drag chain disposed within the sliding channel, the tank drag chain being used to accommodate the wire assembly.

[0013] In one embodiment, the connector includes a mounting body and a limiting protrusion; the mounting body passes through the slot and slides with the sliding channel; the mounting body has a third side and a fourth side spaced apart from each other along the width direction; the limiting protrusion protrudes from at least one of the third side and the fourth side; the limiting protrusion can limit the insertion movement of the connector with the sliding channel along the depth direction of the sliding channel.

[0014] And / or, the guide rail assembly further includes at least one set of support components disposed under the ground; the support components include a first support member disposed on the first side and a second support member disposed on the second side; the first support member and the second support member are disposed at a distance from each other along the width direction to form the sliding channel between the first support member and the second support member; the first baffle is connected to the first support member, and the upper surface of the first baffle is flush with the ground; the second baffle is connected to the second support member, and the upper surface of the second baffle is flush with the ground.

[0015] In one embodiment, the conveying assembly is electrically connected to the wiring assembly; the material conveying device further includes a locking assembly, which is movably connected to the conveying assembly and has a locked state and an unlocked state; when the locking assembly is in the locked state, the locking assembly locks the conveying assembly to the vehicle body, so that the conveying assembly and the vehicle body remain relatively stationary; when the locking assembly is in the unlocked state, the locking assembly is separated from the conveying assembly.

[0016] And / or, the guide rail assembly further includes a first guide rail and a second guide rail extending along the set direction, the first guide rail and the second guide rail being spaced apart on the ground; the vehicle body includes a frame body and at least one set of roller assemblies connected to the frame body; the first drive assembly and the connector are connected to the frame body; wherein, the roller assembly includes a first roller that slides with the first guide rail, a second roller that slides with the second guide rail, and a connecting bearing connecting the first roller and the second roller; the first drive assembly is used to drive the first roller to roll, thereby causing the connecting bearing and the second guide rail to roll, so that the roller assembly drives the frame body to travel along the set direction.

[0017] In one embodiment, the conveying assembly includes a platform and a second drive assembly for driving the platform, the second drive assembly being electrically connected to the wire assembly; the locking assembly includes a third drive assembly and a movable member that movably engages with the drive assembly; the third drive assembly is used to be forced to move the movable member toward or away from the platform.

[0018] The support platform is provided with at least one limiting hole; when the locking component is in the locked state, the movable member is fixed to the support platform by inserting into the limiting hole, so that the movable member blocks the rotation of the support platform; when the locking component is in the unlocked state, the movable member and the limiting hole are spaced apart.

[0019] And / or, the vehicle body is provided with a clearance portion, which is adjacent to and clearance-avoids the support platform, and the clearance portion is used to install the movable part; when the locking component is in the locked state, the movable part is used to abut against and block the rotation of the support platform; when the locking component is in the unlocked state, the movable part is spaced apart from the support platform.

[0020] In one embodiment, the locking component includes at least one of the moving parts.

[0021] Wherein, at least one of the movable parts is a first movable part; the third driving assembly includes a power source and a telescopic rod; one end of the telescopic rod is driven to the power source, and the other end is connected to the first movable part; the power source is electrically connected to the wiring assembly, and the power source is used to drive the telescopic rod to extend or retract in a direction closer to or farther from the support platform, so that the telescopic rod drives the first movable part to extend or retract in a direction closer to or farther from the support platform, so that the locking assembly switches between the locked state and the unlocked state.

[0022] And / or, the material conveying device further includes a positioning trigger corresponding to the production line; the positioning trigger is movably coupled to the third drive assembly, at least one of the moving parts being a second moving part, and the third drive assembly is rotatably mounted on the vehicle body; when the locking assembly is in the unlocked state, one end of the third drive assembly is subjected to the external force of the positioning trigger, causing the other end of the third drive assembly to rotate so that the second moving part rotates away from the conveying assembly; when the locking assembly is in the locked state, the third drive assembly and the positioning trigger are spaced apart, and the positioning trigger releases the external force applied to the third drive assembly.

[0023] In one embodiment, the positioning trigger includes a positioning protrusion fixed to the ground; the third drive assembly includes a first connecting rod that engages with the positioning protrusion and a second connecting rod that is rotatably connected to the first connecting rod; one end of the second movable member is rotatably connected to the second connecting rod, and the other end is movably engaged with the support platform; wherein, when the first connecting rod engages with the positioning protrusion, the first connecting rod drives the second connecting rod and the second movable member to rotate away from the support platform, so that the locking assembly is in the unlocked state; when the first connecting rod and the positioning protrusion are spaced apart, the locking assembly is in the locked state.

[0024] And / or, the locking assembly further includes an elastic reset member, and the second movable member is driven by the elastic reset member in a transmission engagement with the third drive assembly; when the locking assembly is in the unlocked state, the third drive assembly compresses the elastic reset member, causing the other end of the third drive assembly to rotate so that the second movable member rotates away from the support platform; when the locking assembly is in the locked state, the third drive assembly and the positioning trigger member are spaced apart, so that the elastic reset member resets and drives the other end of the third drive assembly and the second movable member to rotate in a direction closer to the support platform.

[0025] In one embodiment, the movable component has a first side edge, a second side edge, and an inclined structure connecting the first side edge and the second side edge; the first side edge and the second side edge are arranged at a distance from each other, with the first side edge being closer to the production line and the second side edge being farther away from the production line; the inclined structure is inclined from low to high from the first side edge to the second side edge; wherein, when the locking component is in the locked state, the second side edge can abut against and block the support platform.

[0026] In one embodiment, the material conveying device includes at least two conveying components; the at least two conveying components are spaced apart from the vehicle body; the conveying components are arranged in a one-to-one correspondence with the production line.

[0027] And / or, the power distribution mechanism further includes an electrical cabinet; the electrical cabinet is used to connect to the wiring assembly so that power is distributed to the material handling device through the electrical cabinet.

[0028] A production line system includes a production line and a material conveying device as described in the above embodiments. The production line has a feeding area, a discharging area, and a production area disposed between the feeding area and the discharging area. A conveying component is used to dock with the feeding area or the discharging area so that: material is transported from the conveying component to the production area, or the material is transported from the production area to the conveying component.

[0029] The aforementioned material handling device and production line system, through the installation of sliding channels, enables the underground installation of electrical wires, thereby achieving wire storage and providing a degree of grounding to the wires, reducing the risk of electrical accidents. Furthermore, the cooperation between the sliding channels and connecting components serves both as a moving guide rail for the vehicle body, providing a limiting function and improving movement stability, and as a storage mechanism for the wire assemblies, enabling synchronous movement of the wire assemblies with the vehicle body. This achieves real-time wired power supply and improves the stability of power supply to the transport trolley. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the production line system in one embodiment.

[0031] Figure 2 This is a schematic diagram of the material conveying device in one embodiment.

[0032] Figure 3 for Figure 1 A magnified structural diagram of A in the middle.

[0033] Figure 4 for Figure 2 The diagram shows the structure of the transport trolley.

[0034] Figure 5 This is a schematic diagram of the cooperative structure of the transport trolley and the guide rail assembly in one embodiment.

[0035] Figure 7 for Figure 5 The front view of the guide rail assembly shown.

[0036] Figure 6 for Figure 5 The diagram shows the mating structure of the connector and the guide rail assembly.

[0037] Figure 8 for Figure 6 The diagram shows the structure of the connector.

[0038] Figure 9 This is a schematic diagram of the cooperation structure between the locking component and the conveying component in one embodiment.

[0039] Figure 10 for Figure 9 The diagram shows the cooperation structure between the support platform and the locking component.

[0040] Figure 11 for Figure 9 The diagram shows the installation structure of the locking component and the vehicle body.

[0041] Figure 12 This is a schematic diagram of the structure of the first locking component shown in one embodiment.

[0042] Figure 13 This is a schematic diagram of the structure of the second locking component shown in another embodiment.

[0043] Figure 14 This is a schematic diagram of the positioning trigger element in one embodiment.

[0044] 10. Production line system; 100. Material conveying device; 110. Guide rail assembly; 111. Sliding channel; 1111. First side; 1112. Second side; 112. Baffle assembly; 1121. First baffle; 1122. Second baffle; 113. Support assembly; 1131. First support member; 1132. Second support member; 114. Connecting transition member; 115. First guide rail; 116. Third guide rail; 120. Transport trolley; 121. Car body; 121a. Clearance part; 1211. Car frame body; 1212. Roller assembly; 122. Connector; 122a. Receiving groove; 1221. Mounting body; 1221a. Third side; 1221b. Fourth side; 1221c. Fifth side; 1222. Sixth side; 1222. Limiting protrusion; 130. Conveying group Components; 131, support platform; 1311, limiting hole; 132, second drive assembly; 133, first conveying assembly; 134, second conveying assembly; 140, power distribution mechanism; 141, electrical cabinet; 150, tank drag chain; 160, locking assembly; 161, first locking assembly; 1611, first movable part; 1612, power source; 1613, telescopic rod; 162, second locking assembly; 1621, second movable part; 1621a, first side edge; 1621b, second side edge; 1621c, inclined structure; 1622, positioning trigger; 1623, first connecting rod; 1624, second connecting rod; 163, third drive assembly; 200, production line; 210, first production line; 220, second production line; X, setting direction; Y, width direction; Z, depth direction. Detailed Implementation

[0045] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0046] See Figure 1 , Figure 1 A schematic diagram of the structure of a production line system 10 according to an embodiment of this application is shown. The production line system 10 provided in an embodiment of this application includes a material conveying device 100 and a production line 200.

[0047] Combination Figure 2 As shown, the material handling device 100 includes a guide rail assembly 110, a transport trolley 120, a conveying assembly 130, and a power distribution mechanism 140.

[0048] The guide rail assembly 110 is provided with a sliding channel 111. The sliding channel 111 extends along a set direction X and is disposed below the ground, that is, the sliding channel 111 is embedded below the ground. And the plane of the groove opening of the sliding channel 111 is flush with the ground.

[0049] It should be noted that the guide rail assembly 110 can be fixed to the ground by pouring cement, so that the groove of the sliding channel 111 is flush with the ground. No further restrictions are placed on the installation method of the guide rail assembly 110 on the ground.

[0050] like Figure 3 As shown, the conveying assembly 130 is connected to the vehicle body 121. The conveying assembly 130 is used to cooperate with the production line 200 for conveying. The production line 200 has a feeding area, a discharging area, and a production area located between the feeding area and the discharging area. Materials can be transported from the conveying assembly 130 to the production area, or from the production area to the conveying assembly 130.

[0051] like Figures 4 to 5 As shown, the transport trolley 120 includes a vehicle body 121, a first drive assembly fixed to the vehicle body 121, and a connector 122 fixed to the vehicle body 121. The first drive assembly is used to drive the vehicle body 121 to move along a predetermined direction X. Figure 5 as well as Figure 6 As shown, the connector 122 is inserted into the sliding channel 111 and can slide relative to the sliding channel 111. The connector 122 is provided with a receiving groove 122a, which is connected to the sliding channel 111.

[0052] Specifically, in one embodiment, the vehicle body 121 includes a frame body 1211 and at least one set of roller assemblies 1212 connected to the frame body 1211. It should be noted that the number of roller assemblies 1212 can be one set, two sets, or more sets, etc., and can be selected according to different load-bearing and transportation needs, without too many restrictions here.

[0053] The first drive assembly and connector 122 are connected to the frame body 1211. The roller assembly 1212 includes a first roller, a second roller, and a connecting bearing connecting the first and second rollers. The first drive assembly includes a drive motor and a flexible drive component that drives the drive motor and the first roller. The flexible drive component can be a drive chain or a drive belt, etc. A wiring assembly (not shown) is electrically connected to the drive motor, causing the drive motor to rotate and drive the drive chain and the first roller to roll, which in turn drives the connecting bearing and the second guide rail to roll, allowing the roller assembly 1212 to drive the frame body 1211 to travel in a predetermined direction X.

[0054] The power distribution mechanism 140 includes a wire assembly (not shown). One end of the wire assembly (not shown) is electrically connected to an external power source, and the other end is used for electrical connection with the first drive assembly and the conveying assembly 130. The wire assembly (not shown) passes through a receiving groove and is housed in a sliding channel 111. That is, a portion of the wire assembly (not shown) is housed in the sliding channel 111, while a portion of the wire passes through the receiving groove and is electrically connected to the first drive assembly of the transport trolley 120.

[0055] To facilitate understanding, the following explanation will focus on the transportation coordination between the material handling device 100 and the production line 200 in an implementation scenario.

[0056] Assuming that the production line 200 is in the first position along the set direction X, and the transport trolley 120 is in the second position, the transport trolley 120 needs to move from the second position to the first position so that the conveying component 130 can dock and transfer with the feeding area or discharging area of ​​the production line 200.

[0057] Assuming the drive motor of the first drive assembly is rotating forward, it drives the transmission chain to rotate the first roller, which in turn drives the connecting bearing and the second roller to rotate, causing the vehicle body 121 to move in the direction X toward the first position. At this time, the connector slides in the sliding groove 111, which helps to ensure the movement of the vehicle body 121 in the direction X. Furthermore, the movement of the receiving groove of the connector drives the movement of the wire assembly (not shown), realizing the synchronous movement of the wire assembly (not shown) and the vehicle body 121, and realizing real-time wired power supply.

[0058] Accordingly, assuming that the transport trolley 120 has completed the transport task to the production line 200, the drive motor of the first drive component is reversed. The drive motor drives the conveyor chain and the second roller to rotate in the opposite direction, thereby driving the connecting bearing and the second roller to rotate in the direction, so that the vehicle body 121 moves in the direction of the set direction X toward the second position, and finally the conveying component 130 is separated from the feed port or discharge port on the production line 200.

[0059] Thus, the sliding channel 111 enables the underground installation of electrical wires, thereby storing them and providing a grounding effect to the wires, reducing the risk of electrical accidents. Furthermore, the sliding channel 111, in conjunction with the connector 122, serves both as a guide rail for the vehicle body 121, providing a limiting function and improving movement stability, and as a storage unit for the electrical wiring assembly (not shown), enabling the electrical wiring assembly (not shown) to move synchronously with the vehicle body 121, achieving real-time wired power supply and improving the stability of power supply to the transport trolley 120.

[0060] To further improve the storage and protection of electrical wires, some embodiments combine... Figures 6 to 7 As shown, the sliding channel 111 includes a first side 1111 and a second side 1112 extending along a predetermined direction X. The first side 1111 and the second side 1112 are spaced apart from each other along the width direction Y of the sliding channel 111. The width direction Y is perpendicular to the predetermined direction X. The guide rail assembly 110 also includes at least one set of baffle assemblies 112. The baffle assemblies 112 are fixed to the ground, which can be a detachable connection method such as screwing or snap-fitting, or a non-detachable method such as cement sealing or welding. One set of baffle assemblies 112 includes a first baffle 1121 disposed on the first side 1111 and a second baffle 1122 disposed on the second side 1112. The first baffle 1121 and the second baffle 1122 are spaced apart to form a slot. The connector 122 slides through the slot to engage with the sliding channel 111. The width of the sliding channel 111 is greater than the width of the slot along the width direction Y.

[0061] It is understandable that by setting the baffle assembly 112, and the slot between the first baffle 1121 and the second baffle 1122 being smaller than the sliding channel 111, the baffle assembly 112 can block foreign objects or water droplets outside the sliding channel 111, without affecting the electrical connection between the wire passing through the connector 122 and the first drive assembly, thus providing good protection for the wire housed in the sliding channel 111, thereby enhancing the power supply safety effect.

[0062] Furthermore, in addition to reducing external factors affecting the power supply stability of the wire assembly (not shown), the storage effect of the wire assembly (not shown) within the sliding channel 111 can be improved to enhance power supply safety. In some embodiments, the conveying device 100 also includes a tank drag chain 150 disposed within the sliding channel 111, which is used to accommodate the wire assembly (not shown). Generally, the tank drag chain 150 is a highly flexible cable that can reciprocate with the drag chain without being easily worn, and has bending properties. Placing the wire assembly (not shown) within the tank drag chain 150 can protect the wire assembly (not shown). In addition, the wire assembly (not shown) can also move back and forth with the drag chain without affecting the synchronous movement of the wire assembly (not shown) and the vehicle body 121.

[0063] In conjunction with any embodiment of the baffle assembly 112 described above, in conjunction with Figures 6 to 8As shown, the connector 122 includes a mounting body 1221 and a limiting protrusion 1222. The size of the mounting body 1221 is adapted to the sliding channel 111 and the slot, allowing the mounting body 1221 to pass through the slot and slide in cooperation with the sliding channel 111. The mounting body 1221 has a third side 1221a and a fourth side 1221b spaced apart along the width direction Y. The limiting protrusion 1222 protrudes from at least one of the third side 1221a and the fourth side 1221b. That is, the setting of the limiting protrusion 1222 increases the size of the connector in the width direction Y, making the size of part of the connector no longer compatible with the slot. Consequently, the limiting protrusion 1222 can limit the engagement with the baffle assembly 112 along the depth direction of the sliding channel 111, thereby restricting the insertion movement of the connector 122 with the sliding channel 111 along the depth direction Z.

[0064] Specifically, the mounting body 1221 also includes a fifth side 1221c and a sixth side 1222 connected between the third side 1221a and the fourth side 1221b. The fifth side 1221c and the sixth side 1222 are arranged at intervals relative to each other along the depth direction Z. The fifth side 1221c is located closer to the vehicle body 121, and the sixth side 1222 is located away from the vehicle body 121. The limiting protrusion 1222 can be installed between the slot and the fifth side 1221c. In this case, the limiting protrusion 1222 can be fixed to at least one of the third side 1221a and the fourth side 1221b to prevent the connector 122 from moving downwards along the depth direction Z, thus achieving unidirectional limiting of the connector 122 in the depth direction Z. Similarly, the limiting protrusion 1222 can also be installed between the slot and the sixth side 1222. In this case, the limiting protrusion 1222 can be fixed to at least one of the third side 1221a and the fourth side 1221b, so as to prevent the connecting member 122 from being dragged by the vehicle body 121 and moving upward along the depth direction Z, effectively preventing the connecting member 122 from derailing from the sliding channel 111, and realizing the unidirectional limiting of the connecting member 122 in the depth direction Z.

[0065] In one embodiment, the connector includes at least four limiting protrusions 1222. These at least four limiting protrusions 1222 include a first limiting protrusion 1222, a second limiting protrusion 1222, a third limiting protrusion 1222, and a fourth limiting protrusion 1222. The first and second limiting protrusions 1222 are disposed between the slot and the fifth side 1221c, with the first limiting protrusion 1222 disposed on the third side 1221a and the second limiting protrusion 1222 disposed on the fourth side 1221b. The first and second limiting protrusions 1222 are flush with each other. This restricts the connector 122 from saging in the depth direction Z, ensuring smooth movement of the vehicle body 121. Accordingly, the third limiting protrusion 1222 and the fourth limiting protrusion 1222 are disposed between the slot and the sixth side 1222, and the third limiting protrusion 1222 and the fourth limiting protrusion 1222 are flush. Thus, through the limiting cooperation between the limiting protrusion 1222 and the baffle assembly 112, the upward movement of the connecting member 122 in the depth direction Z is restricted, preventing the connecting member 122 from sliding off the sliding channel 111 and improving the motion stability of the vehicle body 121. Furthermore, by providing limiting protrusions 1222 on both the third side 1221a and the fourth side 1221b, the impact force is balanced when the connecting member 122 impacts the baffle assembly 112, thereby improving the motion stability of the vehicle body 121 and preventing rollover.

[0066] In one embodiment, see back Figure 6 The guide rail assembly 110 further includes at least one set of support assemblies 113 disposed underground. Each support assembly 113 includes a first support member 1131 disposed on a first side 1111 and a second support member 1132 disposed on a second side 1112. The first support member 1131 and the second support member 1132 are spaced apart relative to each other along the width direction Y, forming a sliding channel 111 between them. A first baffle 1121 is connected to the first support member 1131, and the upper surface of the first baffle 1121 is flush with the ground. A second baffle 1122 is connected to the second support member 1132, and the upper surface of the second baffle 1122 is flush with the ground. Thus, the installation of the baffle assembly 112 is achieved through the arrangement of the first support member 1131 and the second support member 1132. This differs from directly fixing the baffle assembly 112 to the ground, reducing the ground processing steps and simplifying the process. Instead, the support members 113 are simply placed at intervals in the recesses of the ground, and cement is poured in from the side to fix the support members 113 to the ground, forming the sliding channel 111. Furthermore, fixing the baffle assembly 112 to the support members 113, unlike directly fixing the baffle assembly 112 to the ground, facilitates construction.

[0067] It should be noted that the fixed connection between the baffle assembly 112 and the support assembly 113 can be, but is not limited to, abutment, screw connection, snap connection or welding, or any combination thereof, and no further restrictions are imposed here.

[0068] In one specific implementation, see back Figure 6 The guide rail assembly 110 also includes at least two connecting transition members 114. The at least two connecting transition members 114 include a first connecting transition member 114 and a second connecting transition member 114 spaced apart along the width direction Y. The first connecting transition member 114 is disposed on the first support member 1131, and is located on the side of the first support member 1131 near the sliding channel 111. A first baffle 1121 abuts and is fixedly engaged with the first connecting transition member 114 and the first support member 1131. The second connecting transition member 114 is disposed on the second support member 1132, and is located on the side of the second support member 1132 near the sliding channel 111. A second baffle 1122 abuts and is fixedly engaged with the second connecting transition member 114 and the second support member 1132. Thus, by providing the first and second connecting transition members 114, the fixed engagement area between the baffle assembly 112 and the support assembly 113 is increased, thereby improving the stability of the connection between the baffle assembly 112 and the support assembly 113.

[0069] To improve the motion stability of the vehicle body 121, in conjunction with any of the above embodiments of the vehicle body 121, see [link to previous section]. Figure 2 The guide rail assembly 110 also includes a first guide rail 115 and a second guide rail extending along a predetermined direction X. The first guide rail 115 and the second guide rail are spaced apart on the ground. The first guide rail 115 and the second guide rail can be installed on the upper surface of the ground or embedded in the ground; no particular restrictions are placed here. The first roller slides in engagement with the first guide rail 115, and the second roller slides in engagement with the second guide rail. Thus, the movement of the roller assembly 1212 and the guide rails improves the stability of the transport trolley 120. Furthermore, the guiding engagement of the roller assembly 1212 with the first guide rail 115 and the second guide rail reduces the guiding engagement pressure between the connector 122 and the sliding channel 111, thereby reducing the impact pressure on the connector 122 and the sliding channel 111, and thus better protecting the connector 122 and the wire assembly (not shown).

[0070] To improve the transport stability of the conveying assembly 130, in conjunction with any embodiment of the conveying assembly 130, and in conjunction with Figures 9 to 10As shown, the conveying assembly 130 is electrically connected to a wiring assembly (not shown) to allow the conveying assembly 130 to rotate relative to the vehicle body 121, enabling the conveying assembly 130 to move towards or away from the production line 200. The material handling device 100 also includes a locking assembly 160, which is movably connected to the conveying assembly 130 and has a locked state and an unlocked state. When the locking assembly 160 is in the locked state, it locks the conveying assembly 130 to the vehicle body 121, keeping the conveying assembly 130 relatively stationary, i.e., the conveying assembly 130 does not operate. When the locking assembly 160 is in the unlocked state, it is separated from the conveying assembly 130. If the conveying assembly 130 is driven, it can rotate relative to the vehicle body 121, allowing it to dock with the loading or unloading area, thus realizing the conveying of materials between the production area and the production area.

[0071] To facilitate understanding, the following explanation will focus on the coordination between the conveyor component 130 and the production line 200 in an implementation scenario.

[0072] Assume production line 200 is in position 1 and transport trolley 120 is in position 2. If it is necessary to connect the conveying component 130 on the transport trolley 120 to the loading or unloading area of ​​production line 200, the drive motor of the first drive component is driven by the wiring assembly (not shown), causing the drive roller assembly 1212 to drive the trolley body 121 to move towards the first position in the set direction X. At this time, the locking component 160 can be locked, keeping the conveying component 130 relatively stationary, and the material can be placed on the conveying component 130. After a period of time, when the transport trolley 120 moves to the first position, the wiring assembly (not shown) stops supplying power to the first drive component, the transport trolley 120 stops moving, and the conveying component 130 connects to the loading or unloading area. Then, the locking component 160 can be unlocked, and the conveying component 130 can be powered by the wiring assembly (not shown), enabling the conveying component 130 to operate, thereby realizing the material transportation between the conveying component 130 and the production area.

[0073] Accordingly, once the material transport between the conveying assembly 130 and the production line 200 is completed, the power supply to the conveying assembly 130 via the wiring assembly (not shown) can be turned off, and the locking assembly 160 is triggered to switch from the unlocked state to the locked state, keeping the conveying assembly 130 stationary to stably carry the material. Then, by connecting the first drive assembly to the power supply via the wiring assembly (not shown), the transport trolley 120 moves towards the second position along the set direction X. Through the infinite repetition of the above steps, the cyclical transport between the transport trolley 120 and the production line 200 is achieved.

[0074] Thus, by locking the locking component 160 to the conveying component 130, the stability of material transport on the conveying component 130 is improved, preventing material slippage. Furthermore, unlike simply powering on or off the conveying component 130 to achieve stable material bearing, the locking component 160 ensures that the conveying component 130 remains relatively stationary even when affected by external factors (such as chain slippage), thereby improving the stable material bearing performance on the conveying component 130.

[0075] It should be noted that the locking method between the locking component 160 and the conveying component 130 can be varied, such as snap-fit, friction contact, or a combination thereof. Furthermore, the switching between the locked and unlocked states of the locking component 160 can be achieved through mechanical transmission or electric drive. In addition, the locking component 160 can be locked to the driving component of the conveying component 130, or it can be locked to the transmission component, driven component, etc., without further limitations.

[0076] In combination with any embodiment of the locking component 160 and the conveying component 130 described above, such as Figure 11 As shown, the locking assembly 160 includes a third drive assembly 163 and a movable member that movably engages with the third drive assembly 163. The third drive assembly 163 is used to move the movable member toward or away from the support platform 131 under force. The movable member can be a movable rod, a movable block, etc. Furthermore, the third drive assembly 163 can be an electric drive assembly or a mechanical drive assembly, without much limitation here.

[0077] Furthermore, the support platform 131 can be a transmission belt, a support platform, etc. See also some embodiments. Figure 11 The second drive assembly 132 includes at least two sets of rotating wheel assemblies rotatably mounted on the vehicle body 121, a drive motor, and a transmission chain. The roller assembly 1212 includes a first rotating wheel and a second rotating wheel. The transmission chain is wound between the drive motor and the first rotating wheel. The drive motor is electrically connected to a wiring assembly (not shown) to drive the first roller, causing the first roller to drive the second roller to rotate, thereby causing the support platform 131 to translate along a direction close to the production line 200.

[0078] In some embodiments, combined with Figure 10 and Figure 12As shown, the locking component 160 can be a first locking component 161. In this case, the movable part of the first locking component 161 is the first movable part 1611. Specifically, the support platform 131 can be provided with at least one limiting hole 1311. When the locking component 160 is in the locked state, the first movable part 1611 is engaged with the limiting hole 1311, preventing the support platform 131 from rotating. When the locking component 160 is in the unlocked state, the first movable part 1611 and the limiting hole 1311 are spaced apart. That is, the movable part of the first locking component 161 is used to engage with the limiting hole 1311 to achieve the switching of the support platform 131 between the locked and unlocked states. Thus, through the limiting engagement, the first movable part 1611 can completely block the operation of the support platform 131 when engaged with the limiting hole 1311, improving the locking effect of the first movable part 1611 and the limiting hole 1311 in the locked state.

[0079] In other embodiments, combined with Figure 9 , Figure 10 as well as Figure 13 The locking component 160 can be a second locking component 162. In this case, the movement of the second locking component 162 is the second movable member 1621. Specifically, the vehicle body 121 is provided with a clearance portion 121a, which is adjacent to and clearance-avoids the conveying component 130. The clearance portion 121a is used to install the movable member. When the platform 131 is in the locked state, the second movable member 1621 abuts against and blocks the rotation of the platform 131. When the platform 131 is in the unlocked state, the second movable member 1621 is spaced apart from the platform 131. That is, the second movable member 1621 of the second locking component 162 is used to abut against and block the platform 131 to achieve the switching of the platform 131 between the locked and unlocked states. Thus, by having the clearance portion 121a and the second movable member 1621 abut against and block in the locked state, unlike the snap-fit ​​locking method, the abutment locking method requires less processing of the platform 131, simplifying the processing steps.

[0080] Furthermore, in the above embodiments, the locking component 160 is locked by locking the support platform 131, which is different from directly locking the second drive component 132. This can reduce the damage caused by direct impact when locking the second drive component 132 and improve the service life of the material conveying device 100.

[0081] In one specific implementation, see back Figure 13The second movable component 1621 has a first side edge 1621a, a second side edge 1621b, and an inclined structure 1621c connecting the first side edge 1621a and the second side edge 1621b. The first side edge 1621a and the second side edge 1621b are arranged at intervals, with the first side edge 1621a located closer to the production line 200 and the second side edge 1621b located further away from the production line 200. The inclined structure 1621c is inclined from low to high from the first side edge 1621a to the second side edge 1621b. When the locking component 160 is in the locked state, the second side edge 1621b can abut and block the conveying component 130.

[0082] To facilitate understanding, the following explanation will focus on the cooperation between production line 200 and conveying component 130 in an implementation scenario.

[0083] When the conveying component 130 needs to be connected to the production line 200, the locking component 160 is in the unlocked state, and the drive motor of the second drive component 132 is rotating in the forward direction, so that the conveying component 130 moves in the first direction, thereby allowing one end of the conveying component 130 to be connected to the production line 200.

[0084] After the material transport between the support platform 131 and the production line 200 is completed, the support platform 131 can move in the second direction (opposite to the first direction) by reversing the drive motor of the second drive component 132. Simultaneously, the first drive component can be powered on, allowing the transport trolley 120 to move, and the locking component 160 can be switched from the unlocked state to the locked state. The inclined structure 1621c protrudes from the avoidance portion 121a. Because the first side edge 1621a to the second side edge 1621b is arranged from low to high, the movement resistance of the support platform 131 in the second direction is much smaller than the movement resistance in the first direction, thereby achieving directional movement of the support platform 131 and preventing slippage and reversal.

[0085] After the carrier platform 131 moves back to its original position along the second direction, the carrier platform 131 and the avoidance part 121a are spaced apart, which can keep the locking component 160 in the locked state, thereby preventing the carrier platform 131 from reversing and improving the operational stability of the conveying component 130.

[0086] In any embodiment of the first locking component 161 described above, the third drive component 163 of the first locking component 161 includes a power source 1612 and a telescopic rod 1613. One end of the telescopic rod 1613 is drivenly connected to the power source 1612, and the other end is connected to the first movable member 1611. The power source 1612 is electrically connected to a wiring assembly (not shown), and the power source 1612 drives the telescopic rod 1613 to extend or retract in a direction closer to or away from the support platform 131, so that the telescopic rod 1613 drives the first movable member 1611 to extend or retract in a direction closer to or away from the conveying component 130, thereby switching the locking component 160 between a locked state and an unlocked state. In this way, by electrically connecting the power source 1612 to the wiring assembly (not shown), the electrically driven locking component 160 is switched between an unlocked state and a locked state, which is beneficial to improving the unlocking and locking switching efficiency of the locking component 160, thereby improving the transportation coordination efficiency of the support platform 131 and the production line 200.

[0087] Referring to any embodiment of the second locking component 162 described above, see Figure 14 The material conveying device 100 also includes a positioning trigger 1622 corresponding to the production line 200. The positioning trigger 1622 is movably engaged with the third drive component 163 of the second locking component 162, and the third drive component 163 of the second locking component 162 is rotatably mounted on the vehicle body 121.

[0088] To facilitate understanding, the working principle of the third drive component 163 and the second moving part 1621 will be explained below.

[0089] Specifically, the working principle of the third drive assembly 163 can be referenced to the lever principle or linkage principle. When the transport trolley 120 moves to the position on the production line 200, one end of the third drive assembly 163 is subjected to the external force of the positioning trigger 1622, causing the other end of the third drive assembly 163 to rotate, thereby causing the second movable member 1621 to rotate away from the conveying assembly 130, thus unlocking the locking assembly 160. When the transport trolley 120 moves away from the position on the production line 200, the third drive assembly 163 and the positioning trigger 1622 are spaced apart, so that the external force applied by the positioning trigger 1622 to the third drive assembly 163 is released, thus locking the locking assembly 160.

[0090] Thus, through the cooperation of the positioning trigger 1622 and the third drive component 163, automatic mechanical unlocking is achieved when the device is in place and docked, without the need for too many electric drive components, and the difficulty of electrical control caused by too many electric drives is reduced.

[0091] It should be noted that the positioning trigger 1622 can be of various types, such as a magnetic attractor or a pull-up mechanism. Furthermore, the third drive assembly 163 can be a rotating rod or a linkage assembly, etc., without further restrictions.

[0092] In some embodiments, see back Figure 13 The third drive assembly 163 can be a linkage assembly. Specifically, in one embodiment, the positioning trigger 1622 includes a positioning protrusion fixed to the ground, and the positioning protrusion is disposed opposite to the production line 200, that is, the positioning protrusion is disposed at the location of the production line 200, which can be directly in front of the production line 200 or to the side front, etc. The third drive assembly 163 includes a first link 1623 that engages with the positioning protrusion and a second link 1624 that is rotatably connected to the first link 1623. One end of the second movable member 1621 is rotatably connected to the second link 1624, and the other end is movably engaged with the support platform 131.

[0093] When the first link 1623 engages with the positioning protrusion, it drives the second link 1624 and the second movable member 1621 to rotate away from the support platform 131. This prevents the second movable member 1621 from contacting and blocking the support platform 131, allowing the support platform 131 to dock with the production line 200. When the first link 1623 and the positioning protrusion are spaced apart, the first link 1623 can be moved in the opposite direction. This causes the first link 1623 to drive the second link 1624 and the second movable member 1621 to move in the opposite direction (i.e., rotate towards the support platform 131). The second movable member 1621 then continues to contact and block the support platform 131, meaning the locking assembly 160 is in a locked state, preventing the support platform 131 from reversing its movement.

[0094] Thus, transmission is achieved through the linkage assembly, which not only ensures precise transmission but also increases the transmission distance, thereby facilitating the setting and machining of the locking assembly 160. Furthermore, the positioning convex part features a simple structure and is easy to manufacture.

[0095] Furthermore, the locking assembly 160 also includes an elastic reset member, and the second movable member 1621 is in transmission engagement with the third drive assembly 163 through the elastic reset member. In one specific embodiment, the elastic reset member is a torsion spring, and the first link 1623 is rotatably connected to the second link 1624 through the torsion spring. In another specific embodiment, the elastic reset member is a tension spring, which is disposed between the first link 1623 and the second link 1624, such that the tension spring, the first link 1623, and the second link 1624 form a triangular-like structure, so as to achieve the elastic connection between the first link 1623 and the second link 1624 through the tension spring.

[0096] To facilitate understanding, the following description will illustrate the triggering and engagement process of the positioning protrusion and the elastic reset member in one embodiment.

[0097] When the transport trolley 120 is transported to the position where it docks with the production line 200, the first connecting rod 1623 engages with the positioning protrusion, so that the first connecting rod 1623 has a rotation vector along the first direction, which drives the second connecting rod 1624 and the second movable member 1621 to also have a rotation vector along the first direction (i.e., rotate in a direction away from the support platform 131), so that the second movable member 1621 no longer abuts against and blocks the support platform 131, and then the support platform 131 can complete the conveying docking work with the production line 200. At this time, the elastic reset member is in a compressed state.

[0098] When the transport trolley 120 moves away from the production line 200, the first connecting rod 1623 and the positioning protrusion are spaced apart. The elastic reset member is elastically reset to drive the first connecting rod 1623 to rotate in the opposite direction. This causes the first connecting rod 1623 to drive the second connecting rod 1624 and the second movable member 1621 to rotate in the opposite direction (i.e., rotate in the direction closer to the support platform 131). Then, the second movable member 1621 continues to resist the support platform 131 to prevent the support platform 131 from reversing.

[0099] Thus, by setting up the elastic reset component, the second movable part 1621 can automatically switch between locked and unlocked states, and the elasticity improves the switching efficiency, which is beneficial to the automation of the material conveying device 100. Furthermore, unlike the use of reset components such as electromagnets, elastic reset components such as springs and tension springs have a simpler structure and are readily available, which helps to reduce processing costs.

[0100] In one embodiment, see back Figure 11 The material conveying device 100 includes at least two locking components 160. The at least two locking components 160 include the first locking component 161 and the second locking component 162 described in the above embodiments.

[0101] To facilitate understanding, the following explanation will be based on an implementation scenario in which the first locking component 161 and the second locking component 162 work together.

[0102] When the conveying component 130 of the transport trolley 120 needs to be connected with the production line 200, the first locking component 161 and the second locking component 162 need to be unlocked so that the carrier platform 131 can move in the direction close to the production line 200.

[0103] After the conveying component 130 has finished loading or unloading, the transport trolley 120 can be driven to unlock the second locking component 162 while the carrier platform 131 is simultaneously driven in reverse. At this time, the inclined structure 1621c of the second movable component 1621 can act as a stop and block for the carrier platform 131 during reverse driving, preventing the carrier platform 131 from reversing. Meanwhile, the first locking component 161 remains in the unlocked state.

[0104] After the conveying component 130 completes the transport and the carrier platform 131 returns to its original position, the first locking component 161 can be driven to engage with the limiting hole 1311 to lock the carrier platform 131. At this time, the first locking component 161 is in a locked state.

[0105] Thus, through the cooperation of the first locking component 161 and the second locking component 162, the locking contact area in the locked state can be increased, thereby improving the fixing efficiency of the conveying component 130 on the transport trolley 120. Furthermore, while fixing the conveying component 130, it is also possible to prevent the conveying component 130 from reversing, ensuring the conveying component 130's carrying and transporting effect on materials.

[0106] It should be noted that the number of production lines 200 can be one or more, and can be set according to different transportation scenarios.

[0107] In conjunction with any embodiment of the material conveying device 100 described above, see back Figure 1 and Figure 3 The production line system 10 includes at least two production lines 200. For ease of understanding, taking the production line system 10 with two production lines 200 as an example, the two production lines 200 include a first production line 210 and a second production line 220. The material handling device 100 includes at least two conveying components 130. The at least two conveying components 130 are spaced apart on the vehicle body 121. The at least two conveying components 130 include a first conveying component 133 and a second conveying component 134. The first conveying component 133 is connected to the first production line 210. The second conveying component 134 is connected to the second production line 220. Thus, by connecting different production lines 200 with different conveying components 130, one material handling device 100 can transport different materials to different production lines 200, reducing the excessive arrangement of material handling devices 100 in the production line system 10, reducing processing difficulty, and lowering processing costs.

[0108] In some implementations, see back Figure 2The power distribution mechanism 140 also includes an electrical cabinet 141. The electrical cabinet 141 is used to connect to a wiring assembly (not shown) to distribute power to the material handling device 100. Specifically, the wiring assembly (not shown) includes a first wire and a plurality of second wires. The first wire is electrically connected between an external power source and the electrical cabinet 141 to supply power to the electrical cabinet 141. The plurality of second wires connect the first drive assembly, the third drive assembly 163, and the second drive assembly 132 to the electrical cabinet 141, so that the first drive assembly, the third drive assembly 163, and the second drive assembly 132 are connected in parallel to the electrical cabinet 141 and power is distributed through the electrical cabinet 141. Thus, the installation of the electrical cabinet 141 reduces the length of the wiring, avoiding messy wiring of the wiring assembly (not shown).

[0109] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0110] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0111] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0112] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0113] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0114] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0115] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A material conveying device, characterized in that, The material conveying device includes: The guide rail assembly is provided with a sliding channel; the sliding channel extends along a predetermined direction and is disposed below the ground. A transport trolley includes a vehicle body, a first drive assembly fixed to the vehicle body, and a connector fixed to the vehicle body; the first drive assembly is used to drive the vehicle body to move along the set direction; the connector passes through the sliding channel and is slidably engaged with the sliding channel; the connector is provided with a receiving groove, and the receiving groove is connected to the sliding channel. A conveying assembly is connected to the vehicle body; the conveying assembly is used to move under the drive of the vehicle body to dock with the production line. The power distribution mechanism includes a wire assembly; the wire assembly is used to electrically connect an external power source to the first drive assembly, so that the external power source can supply power to the first drive assembly; the wire assembly passes through the receiving groove and is housed in the sliding channel.

2. The material conveying device according to claim 1, characterized in that, The sliding channel includes a first side and a second side extending along the predetermined direction; the first side and the second side are spaced apart relative to each other along the width direction of the sliding channel; the guide rail assembly further includes at least one set of baffle assemblies; the baffle assembly includes a first baffle disposed on the first side and a second baffle disposed on the second side; the first baffle and the second baffle are spaced apart to form a slot; the slot communicates with the sliding channel, and the connector passes through the slot to slide with the sliding channel; wherein, the width direction is perpendicular to the predetermined direction; along the width direction, the width of the sliding channel is greater than the width of the slot; And / or, the material conveying device further includes a tank drag chain disposed within the sliding channel, the tank drag chain being used to accommodate the wire assembly.

3. The material conveying device according to claim 2, characterized in that, The connector includes a mounting body and a limiting protrusion; the mounting body passes through the slot and slides with the sliding channel; the mounting body has a third side and a fourth side spaced apart from each other along the width direction; the limiting protrusion protrudes from at least one of the third side and the fourth side; the limiting protrusion can limit the insertion movement of the connector with the sliding channel along the depth direction of the sliding channel. And / or, the guide rail assembly further includes at least one set of support components disposed under the ground; the support components include a first support member disposed on the first side and a second support member disposed on the second side; the first support member and the second support member are disposed at a distance from each other along the width direction to form the sliding channel between the first support member and the second support member; the first baffle is connected to the first support member, and the upper surface of the first baffle is flush with the ground; the second baffle is connected to the second support member, and the upper surface of the second baffle is flush with the ground.

4. The material conveying device according to claim 1, characterized in that, The conveying assembly is electrically connected to the wiring assembly; the material conveying device further includes a locking assembly, which is movably connected to the conveying assembly and has a locked state and an unlocked state; when the locking assembly is in the locked state, the locking assembly locks the conveying assembly to the vehicle body, so that the conveying assembly and the vehicle body remain relatively stationary; when the locking assembly is in the unlocked state, the locking assembly is separated from the conveying assembly; And / or, the guide rail assembly further includes a first guide rail and a second guide rail extending along the set direction, the first guide rail and the second guide rail being spaced apart on the ground; the vehicle body includes a frame body and at least one set of roller assemblies connected to the frame body; the first drive assembly and the connector are connected to the frame body; wherein, the roller assembly includes a first roller that slides with the first guide rail, a second roller that slides with the second guide rail, and a connecting bearing connecting the first roller and the second roller; the first drive assembly is used to drive the first roller to roll, thereby causing the connecting bearing and the second guide rail to roll, so that the roller assembly drives the frame body to travel along the set direction.

5. The material conveying device according to claim 4, characterized in that, The conveying assembly includes a support platform and a second drive assembly for driving the support platform, the second drive assembly being electrically connected to the wire assembly; the locking assembly includes a third drive assembly and a movable member that movably engages with the third drive assembly; the third drive assembly is used to drive the movable member to move toward or away from the support platform; wherein... The support platform is provided with at least one limiting hole; when the locking component is in the locked state, the movable member is fixed to the support platform by inserting into the limiting hole, so that the movable member blocks the rotation of the support platform; when the locking component is in the unlocked state, the movable member and the limiting hole are spaced apart. And / or, the vehicle body is provided with a clearance portion, the clearance portion being disposed to avoid the support platform, the clearance portion being used to install the movable part; when the locking component is in the locked state, the movable part is used to abut against and block the support platform; when the locking component is in the unlocked state, the movable part is spaced apart from the support platform.

6. The material conveying device according to claim 5, characterized in that, The locking component includes at least one of the movable parts; wherein... At least one of the movable parts is a first movable part; the third drive assembly includes a power source and a telescopic rod; one end of the telescopic rod is driven to the power source, and the other end is connected to the first movable part; the power source is electrically connected to the wiring assembly, and the power source is used to drive the telescopic rod to extend or retract in a direction closer to or farther from the support platform, so that the telescopic rod drives the first movable part to extend or retract in a direction closer to or farther from the support platform, so that the locking assembly switches between the locked state and the unlocked state; And / or, the locking component further includes a positioning trigger corresponding to the production line, the positioning trigger engaging with the third drive component; at least one of the moving parts is a second moving part, and the third drive component is rotatably mounted on the vehicle body; when the locking component is in the unlocked state, one end of the third drive component is subjected to the external force of the positioning trigger, causing the other end of the third drive component to rotate, so that the second moving part rotates away from the conveying component; when the locking component is in the locked state, the third drive component and the positioning trigger are spaced apart, and the positioning trigger releases the external force applied to the third drive component.

7. The material conveying device according to claim 6, characterized in that, The positioning trigger includes a positioning protrusion fixed to the ground; the third drive assembly includes a first connecting rod that engages with the positioning protrusion and a second connecting rod that is rotatably connected to the first connecting rod; one end of the second movable member is rotatably connected to the second connecting rod, and the other end is movably engaged with the support platform; wherein, when the first connecting rod engages with the positioning protrusion, the first connecting rod drives the second connecting rod and the second movable member to rotate away from the support platform, so that the locking assembly is in the unlocked state; when the first connecting rod and the positioning protrusion are spaced apart, the locking assembly is in the locked state; And / or, the locking assembly further includes an elastic reset member, and the second movable member is driven by the elastic reset member in a transmission engagement with the third drive assembly; when the locking assembly is in the unlocked state, the third drive assembly compresses the elastic reset member, causing the other end of the third drive assembly to rotate so that the second movable member rotates away from the support platform; when the locking assembly is in the locked state, the third drive assembly and the positioning trigger member are spaced apart, so that the elastic reset member resets and drives the other end of the third drive assembly and the second movable member to rotate in a direction closer to the support platform.

8. The material conveying device according to claim 5, characterized in that, The movable component has a first side edge, a second side edge, and an inclined structure connecting the first side edge and the second side edge; the first side edge and the second side edge are arranged at a distance from each other, with the first side edge being closer to the production line and the second side edge being farther away from the production line; the inclined structure is inclined from low to high from the first side edge to the second side edge; wherein, when the locking component is in the locked state, the second side edge can abut against and block the support platform.

9. The material conveying device according to any one of claims 1 to 8, characterized in that, The material conveying device includes at least two conveying components; the at least two conveying components are spaced apart from the vehicle body; the conveying components are arranged in a one-to-one correspondence with the production line; And / or, the power distribution mechanism further includes an electrical cabinet; the electrical cabinet is used to connect to the wiring assembly so that power is distributed to the material handling device through the electrical cabinet.

10. A production line system, characterized in that, The system includes a production line and a material conveying device as described in any one of claims 1 to 9, wherein the production line has a feeding area, a discharging area, and a production area disposed between the feeding area and the discharging area; a conveying component is used to dock with the feeding area or the discharging area so that: material is transported from the conveying component to the production area, or the material is transported from the production area to the conveying component.

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