Flexible tray transportation roller line

Abstract

The utility model discloses a flexible tray transportation roller line, belongs to the technical field of battery manufacturing, and aims to solve the problem of rapid adjustment of the width of a roller line in the prior art. The device comprises a support, an air cylinder assembly, a roller assembly, a transmission assembly and a driving assembly. The two air cylinder assemblies are fixedly installed on the support, the two roller assemblies are fixedly installed at the power output ends of the air cylinder assemblies respectively, the two transmission assemblies are in transmission connection and rigid connection with the two roller assemblies respectively, and the driving assembly is in transmission connection with the two transmission assemblies respectively. The two roller assemblies are oppositely arranged to form a roller line, the width of the roller line is adjusted along with power output by the air cylinder assembly, and meanwhile the transmission assembly is driven to move in the same direction. According to the utility model, the relative distance between the two groups of roller components is adjusted through the variable-pitch cylinder, and the transmission component is driven to move synchronously, so that the line width of the rollers is adjusted quickly.

Description

Technical Field

[0001] The utility model relates to a flexible tray transport roller line, belonging to the technical field of battery manufacturing. Background Art

[0002] With the development of the global new energy vehicle and energy storage industries, competition in the industry has intensified and market demand has changed rapidly; this requires lithium battery factories to be able to quickly adjust production strategies and frequently change product specifications. The traditional roller conveyor line of a lithium battery production line consists of a whole roller clamped on the mounting brackets on both sides of the conveyor line, and the channel width is adjusted by the waist hole of the guide component. This structure has no compatibility or extremely low compatibility, and is difficult to adjust and takes a long time to adjust; when the production line needs to be changed, it is necessary to re-purchase and re-produce the roller line, which increases costs; therefore, the lithium battery production line must have a certain degree of flexibility in design. Utility Model Content

[0003] Purpose of the utility model: In order to overcome the deficiencies in the prior art, the utility model provides a flexible pallet transport roller line. The utility model adjusts the relative distance between the two groups of roller assemblies through a cylinder, and at the same time drives the transmission assembly to move axially synchronously, thereby realizing rapid adjustment of the width of the roller line, avoiding replacement of rollers and transmission parts during adjustment, and saving replacement costs.

[0004] In order to achieve the above purpose / solve the above technical problems, the utility model is implemented by adopting the following technical solutions:

[0005] A flexible pallet conveying roller line, comprising:

[0006] A pitch-changing mechanism and two sets of roller assemblies arranged opposite to each other, the two sets of roller assemblies are arranged on the pitch-changing mechanism, and the pitch-changing mechanism is used to drive the two sets of roller assemblies to move toward or away from each other, so as to adjust the width between the two sets of roller assemblies.

[0007] Optionally, a driving assembly is further included, and the driving assembly drives the roller assembly through the transmission assembly. When the pitch-changing mechanism adjusts the width between the roller assemblies, the width between the transmission assemblies is adjusted.

[0008] Optionally, the pitch changing mechanism includes: two groups of cylinder assemblies respectively connected to the two groups of roller assemblies; the two groups of roller assemblies and the two groups of cylinder assemblies are relatively arranged on the bracket and the two groups of roller assemblies relatively arranged form a roller line, and the width of the roller line is adjusted according to the power output by the cylinder assembly.

[0009] Optionally, the cylinder assembly includes: two sets of guide rail assemblies fixedly mounted on the bracket and opposite to each other, and two sets of cylinders fixedly mounted on the bracket and respectively parallel to the two sets of guide rail assemblies;

[0010] The guide rail assembly includes: a linear guide rail horizontally mounted on the bracket, a linear slider slidably mounted on the linear guide rail, and a slider mounting plate fixedly mounted on the linear slider;

[0011] The power output end of the cylinder is fixedly connected with a cylinder connecting plate;

[0012] The cylinder connecting plate and the slider mounting plate are both fixedly mounted on the roller assembly. When the power output by the cylinder drives the cylinder connecting plate and the roller assembly to translate, the roller assembly drives the slider mounting plate and the linear slider to slide on the linear guide rail during the translation process.

[0013] Optionally, the roller assembly includes: a roller mounting plate fixedly connected to the cylinder connecting plate and the slider mounting plate, a roller member arranged on the roller mounting plate, and a roller cover fixedly mounted on the top of the roller mounting plate;

[0014] The roller parts are in several groups, and each group of roller parts includes: a roller shaft rotatably connected to a roller mounting plate, and transmission gears and rollers respectively mounted on the roller shaft;

[0015] Several groups of roller components are horizontally arranged on the side of the roller mounting plate, and the several groups of roller components are connected and driven in pairs through transmission chains;

[0016] The power output by the cylinder drives the cylinder connecting plate and the roller mounting plate to translate, and the roller mounting plate drives the slider mounting plate to slide on the linear guide rail through the linear slider.

[0017] Optionally, the driving assembly includes: a motor mounting plate fixedly mounted on the bracket, and a driving motor fixedly mounted on the motor mounting plate;

[0018] The driving assembly outputs power to the two transmission assemblies synchronously, and the two transmission assemblies transmit the power to the corresponding roller assemblies respectively, thereby driving the two roller assemblies to rotate synchronously, which is used for roller line transportation of battery cell pallets.

[0019] Optionally, the transmission assembly includes: a coupling installed at the power end of the driving motor, a spline shaft assembly axially installed at the end of the coupling away from the driving motor and arranged at the ends of the two groups of roller assemblies, two groups of driving chains with one end respectively connected to the two groups of roller assemblies and the other end respectively connected to the spline shaft assembly, and an idler tensioning assembly installed on the bracket and connected to the two groups of driving chains respectively;

[0020] The spline shaft assembly is connected to the roller assembly through a driving chain and is rigidly connected to the roller assembly, transmitting driving force to the roller assembly and moving in the same direction as the roller assembly;

[0021] The power of the driving motor is transmitted to the spline shaft assembly through the coupling, so that the spline shaft assembly rotates; when the spline shaft assembly rotates, it drives the drive chain to transmit power, thereby transmitting power to the roller assembly for transporting the battery tray;

[0022] The power output by the cylinder drives the roller assembly to translate through the cylinder connecting plate and the guide rail assembly. When the roller assembly translates, it drives the spline shaft assembly and the drive chain to move in the same direction, so that the transmission relationship between the roller assembly, the spline shaft assembly and the drive chain is not affected by the movement of the roller assembly.

[0023] Optionally, the spline shaft assembly includes: two sets of bearing seats fixedly mounted on both side surfaces of the bracket and coaxially arranged, two sets of spline connecting plate assemblies respectively located on one side of the two sets of bearing seats, splines that pass through the two sets of spline connecting plate assemblies and the two sets of bearing seats and are connected to the coupling, and two sets of intermediate connecting assemblies that are sleeved on the splines and respectively abut against the two sets of spline connecting plate assemblies;

[0024] The two groups of spline connecting plate assemblies are respectively fixedly mounted on the ends of the two groups of roller assemblies; the two groups of spline connecting plate assemblies move with the two groups of roller assemblies, applying power to the middle connecting assembly to move along the splines.

[0025] Optionally, the spline includes: an external spline shaft that passes through two sets of spline connecting plate assemblies, two sets of bearing seats and is connected to the coupling, and two sets of spline outer cylinders that are mirror-distributed on the external spline shaft and spline-connected to the external spline shaft;

[0026] Wherein, one end of the spline outer cylinder is connected to a spline outer cylinder flange;

[0027] The external spline shaft drives the spline outer cylinder to rotate coaxially through the shaft transmission force of the coupling.

[0028] Optionally, the intermediate connection assembly includes: a spline connection shaft sleeved on the outer surface of the spline outer cylinder and having a clearance fit with the spline outer cylinder, a spline bearing seat sleeved on the outer surface of the spline connection shaft through a bearing assembly, a clamp fixedly mounted on the spline connection shaft and abutting against one end of the spline bearing seat, and an intermediate sprocket fixedly mounted on the spline connection shaft and located at one end of the clamp;

[0029] Among them, one end of the spline connecting shaft is provided with a spline connecting shaft flange for adapting to the spline outer cylinder flange; the intermediate sprocket is used for transmission connection with the drive chain; when the spline outer cylinder rotates, it drives the spline connecting shaft to rotate, and the spline connecting shaft drives the intermediate sprocket to rotate and transmits power to the roller part through the drive chain, driving the roller part to rotate.

[0030] Optionally, the spline connecting plate assembly includes: a first spline connecting plate provided at one end surface of the intermediate connecting assembly, a second spline connecting plate provided at the other end surface of the intermediate connecting assembly and fixedly connected to the roller assembly, a horizontal plate fixedly installed at the bottom of the first spline connecting plate and the second spline connecting plate, respectively, and a chain guard installed on one side of the first spline connecting plate, the second spline connecting plate, and the horizontal plate;

[0031] Among them, the first spline connecting plate and the second spline connecting plate are fixedly connected by a horizontal plate; when the roller assembly translates, it drives the second spline connecting plate, the first spline connecting plate, and the chain guard to translate, and then drives the middle connecting assembly to slide axially along the outer spline shaft, so that the middle connecting assembly rotates with the spline and can translate axially along the spline as the roller assembly moves.

[0032] Optionally, the idler tensioning assembly includes: a first tensioning plate fixedly mounted on the second spline connecting plate, a second tensioning plate slidably mounted on the second spline connecting plate, an idler mounted on the second tensioning plate rotating through an idler shaft, and a tensioning screw passing through the first tensioning plate and plugged into the second tensioning plate;

[0033] Among them, the idler wheel is arranged on one side of the driving chain for tensioning the driving chain; the tensioning screw is threadedly connected to the first tensioning plate, and the tensioning screw is movably connected to the second tensioning plate. When the tensioning screw is rotated, the tensioning screw translates in the first tensioning plate and drives the second tensioning plate to translate on the second spline connecting plate, which is used to adjust the tensioning force of the driving chain.

[0034] Compared with the prior art, the utility model has the following beneficial effects:

[0035] The relative distance between the two roller assemblies is adjusted by the cylinder, and the transmission assembly is driven to move axially synchronously at the same time, so as to realize the rapid adjustment of the roller line width, avoid the replacement of rollers and transmission parts during adjustment, and save the cost of changeover.

[0036] Through the connection and transmission design between the roller assembly and the transmission assembly, when the roller assembly moves, the transmission assembly is driven to move, and the movement does not affect the transmission assembly to transmit the motor power to the roller assembly, thereby realizing the normal rotation of the roller assembly and further expanding the adjustment range of the roller line width.

[0037] The transmission assembly adopts a spline shaft combination design, especially the spline connecting plate assembly is rigidly connected to the roller assembly, the spline connecting plate assembly is abutted against the intermediate connecting assembly, and the spline connecting plate assembly moves with the two groups of roller assemblies, applying power to the intermediate connecting assembly to move along the spline; and the transmission connection is achieved by respectively engaging the sprockets of the roller assembly and the intermediate connecting assembly at both ends of the driving chain; when the roller assembly moves, the intermediate connecting assembly of the transmission assembly moves axially along the external spline shaft with the former, providing better guidance for the movement of the transmission member without affecting its transmission performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The figure shows the structure diagram of the flexible pallet transport roller line of the utility model;

[0039] Figure 2 Shown is a structural diagram of the cylinder assembly of the utility model;

[0040] Figure 3 Shown is a structural diagram of the roller assembly of the utility model;

[0041] Figure 4 The figure shows the structure diagram of the variable pitch drive assembly of the utility model;

[0042] Figure 5 The figure shows the front view of the variable pitch drive assembly of the utility model;

[0043] Figure 6 Shown is a structural diagram of the spline shaft assembly of the utility model;

[0044] Figure 7 Shown is a structural diagram of the idler tensioning assembly of the utility model;

[0045] Figure 8 Shown is an exploded view of the intermediate connection assembly of the present invention.

[0046] Reference numerals: bracket 1, cylinder assembly 2, linear guide rail 21, linear slider 22, slider mounting plate 23, cylinder 24, cylinder connecting plate 25, roller assembly 3, roller mounting plate 31, roller member 32, transmission chain 33, roller cover 34, transmission assembly 4, drive assembly 41, drive motor 411, motor mounting plate 412, spline shaft assembly 42, bearing seat 421, spline 422, external spline shaft 4221, spline outer cylinder 4 222, intermediate connecting assembly 423, spline connecting shaft 4231, spline bearing seat 4232, bearing group 4233, clamp 4234, intermediate sprocket 4235, first spline connecting plate 424, second spline connecting plate 425, driving chain 43, idler tensioning assembly 44, first tensioning plate 441, second tensioning plate 442, idler shaft 443, idler 444, tensioning screw 445, coupling 45, chain guard 46. DETAILED DESCRIPTION

[0047] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0048] Combination Figures 1 to 8 Further explanation of a flexible pallet transport roller line in this embodiment includes: a bracket 1, a pitch-changing mechanism, a cylinder assembly 2, a roller assembly 3, a transmission assembly 4, and a drive assembly 41; wherein the bracket 1 is used for the installation of the overall mechanism, and is composed of four pillars and three support plates installed on the pillars, wherein two support plates are respectively installed at the ends of two pillars, and the two support plates are arranged in parallel, and the other support plate is installed on the sides of the two pillars and located at the ends of the two support plates arranged in parallel. The pitch-changing mechanism is two groups of cylinder assemblies 2, and the cylinder assemblies 2 are fixedly installed on the bracket 1, and the two groups of roller assemblies 3 are respectively fixedly installed at the power output ends of the cylinder assemblies 2, and the two groups of transmission assemblies 4 are respectively connected to the two groups of roller assemblies 3 in a transmission manner and rigidly connected, and the drive assembly 41 is respectively connected to the two groups of transmission assemblies 4 in a transmission manner;

[0049] Two groups of roller assemblies 3 and two groups of cylinder assemblies 2 are relatively arranged on the bracket 1 and the two groups of roller assemblies 3 relatively arranged form a roller line. The two groups of roller assemblies 3 adjust the width of the roller line with the power output by the cylinder assembly 2 and drive the transmission assembly 4 to move at the same time.

[0050] Preferably, the cylinder assembly 2 comprises: a guide rail assembly, a linear guide rail 21, a linear slider 22, a slider mounting plate 23, a cylinder 24, and a cylinder connecting plate 25; in this embodiment, there are two groups of guide rail assemblies, the two groups of guide rail assemblies are arranged opposite to each other and fixedly mounted on the bracket 1, and there are two groups of cylinders 24, the two groups of cylinders 24 are fixedly mounted on the bracket 1 and are respectively arranged in parallel with the two groups of guide rail assemblies; the linear guide rail 21 of the guide rail assembly is horizontally mounted on the bracket 1, the linear slider 22 is slidably mounted on the linear guide rail 21, and the slider mounting plate 23 is fixedly mounted on the linear slider 22; the power output end of the cylinder 24 is fixedly connected with the cylinder connecting plate 25; the cylinder connecting plate 25 and the slider mounting plate 23 are both fixedly mounted on the roller assembly 3, and when the power output of the cylinder 24 drives the cylinder connecting plate 25 and the roller assembly 3 to translate, the roller assembly 3 drives the slider mounting plate 23 and the linear slider 22 to slide on the linear guide rail 21 during the translation process.

[0051] Preferably, the roller assembly 3 comprises: a roller mounting plate 31, a roller member 32, a transmission chain 33, and a roller cover 34; wherein the roller mounting plate 31 is fixedly connected to the cylinder connecting plate 25 and the slider mounting plate 23, the roller member 32 is arranged on the roller mounting plate 31, and the roller cover 34 is fixedly installed on the top of the roller mounting plate 31;

[0052] Furthermore, the number of roller members 32 is several groups, and each group of roller members 32 includes: a roller shaft, a transmission gear, and a roller; the roller shaft is rotatably connected to the roller mounting plate 31, and the transmission gear and the roller are respectively installed on the roller shaft; several groups of roller members 32 are horizontally arranged on the side of the roller mounting plate 31, and the several groups of roller members 32 are connected in pairs through transmission chains 33;

[0053] When the power output by the cylinder 24 drives the cylinder connecting plate 25 and the roller mounting plate 31 to translate, the roller mounting plate 31 drives the slider mounting plate 23 to slide on the linear guide rail 21 through the linear slider 22 .

[0054] Preferably, the drive assembly 41 includes: a drive motor 411 and a motor mounting plate 412; wherein the motor mounting plate 412 is fixedly mounted on the bracket 1, and the drive motor 411 is fixedly arranged on the motor mounting plate 412, and the drive motor 411 is fixed by the motor mounting plate 412 so as to provide power for the entire body, and the drive assembly 41 synchronously outputs power to the two groups of transmission assemblies 4, and the two groups of transmission assemblies 4 respectively transmit the power to the corresponding roller assemblies 3, thereby driving the two groups of roller assemblies 3 to rotate synchronously, which is used for the roller line to transport the battery cell pallets.

[0055] Preferably, the transmission assembly 4 includes: a spline shaft assembly 42, a drive chain 43, an idler tensioning assembly 44, and a coupling 45; wherein the coupling 45 is installed at the power end of the drive motor 411; the spline shaft assembly 42 is axially installed at one end of the coupling 45 away from the drive motor 411 and located at the end of the two groups of roller assemblies 3; one end of the two groups of drive chains 43 are respectively connected to the two groups of roller assemblies 3, and the other ends are respectively connected to the spline shaft assembly 42; the idler tensioning assembly 44 is installed on the bracket 1 and is respectively connected to the two groups of drive chains 43; and then the power of the drive motor 411 is used to transmit the spline shaft assembly 42 through the coupling 45, so that the spline shaft assembly 42 rotates.

[0056] Preferably, the spline shaft assembly 42 comprises: a bearing seat 421, a spline 422, an intermediate connection assembly 423, and a spline 422 connecting plate assembly; wherein, the bearing seat 421 is divided into two groups, and the two groups of bearing seats 421 are fixedly mounted on the two side surfaces of the bracket 1 and are coaxially opposite to each other; the spline 422 connecting plate assembly is divided into two groups, and the two groups of spline 422 connecting plate assemblies are respectively located on one side of the two groups of bearing seats 421; the spline 422 passes through the two groups of spline 422 connecting plate assemblies and the two groups of bearing seats 421 and are connected to the coupling 45; the intermediate connection assembly 423 is divided into two groups, and the two groups of intermediate connection assemblies 423 are sleeved on the spline 422 and respectively abut against the two groups of spline 422 connecting plate assemblies;

[0057] Furthermore, two groups of spline 422 connecting plate assemblies are respectively fixedly installed on the ends of the two groups of roller assemblies 3; the two groups of spline 422 connecting plate assemblies move with the two groups of roller assemblies 3, and apply power to the middle connecting assembly 423 to move along the spline 422.

[0058] Preferably, the spline 422 includes: an external spline shaft 42214221, a spline outer cylinder 4222; the external spline shaft 4221 passes through two groups of spline 422 connecting plate assemblies, two groups of bearing seats 421 and are connected to the coupling 45, and the spline outer cylinder 4222 is divided into two groups, and the two groups of spline outer cylinders 4222 are mirror-distributed on the external spline shaft 4221 and are connected to the splines 422 of the external spline shaft 4221; one end of the spline outer cylinder 4222 is connected to a spline outer cylinder 4222 flange for fixed connection with the intermediate connecting assembly 423; the external spline shaft 4221 drives the spline outer cylinder 4222 to rotate coaxially through the axial transmission force of the coupling 45.

[0059] Preferably, the intermediate connection assembly 423 includes: a spline connection shaft 4231, a spline bearing seat 4232, a bearing group 4233, a clamp 4234, and an intermediate sprocket 4235; wherein the spline connection shaft 4231 is sleeved on the outer surface of the spline outer cylinder 4222 and is clearance-matched with the spline outer cylinder 4222, one end of the spline connection shaft 4231 is provided with a spline connection shaft 4231 flange for matching with the spline outer cylinder 4222 flange, and the hollow part of the spline connection shaft 4231 is sleeved on the spline outer cylinder 4222 with a certain clearance; the spline shaft The bearing seat 4232 is sleeved on the outer surface of the spline connecting shaft 4231 through the bearing group 4233, and the spline bearing seat 4232 and the spline connecting shaft 4231 can rotate freely relative to each other; the clamp 4234 is fixedly installed on the spline connecting shaft 4231 and abuts against one end of the spline bearing seat 4232, and is used to fix the spline bearing seat 4232 to prevent the spline bearing seat 4232 from axial movement; the intermediate sprocket 4235 is fixedly installed on the spline connecting shaft 4231 and is located at one end of the clamp 4234, and moves or rotates with the spline connecting shaft 4231;

[0060] Furthermore, the intermediate sprocket 4235 is used for transmission connection with the drive chain 43; when the spline outer cylinder 4222 rotates, the spline connecting shaft 4231 is driven to rotate, and the spline connecting shaft 4231 drives the intermediate sprocket 4235 to rotate and transmits power to the roller member 32 through the drive chain 43, driving the roller member 32 to rotate.

[0061] Preferably, the spline 422 connecting plate assembly includes: a first spline connecting plate 424, a second spline connecting plate 425, a horizontal plate, and a chain guard 46; wherein the first spline connecting plate 424 is arranged at one end surface of the intermediate connecting assembly 423, the second spline connecting plate 425 is arranged at the other end surface of the intermediate connecting assembly 423 and is fixedly connected to the roller assembly 3, the horizontal plate is fixedly mounted on the bottom of the first spline connecting plate 424 and the second spline connecting plate 425, respectively, the chain guard 46 is mounted on one side of the first spline connecting plate 424, the second spline connecting plate 425, and the horizontal plate, and the first spline connecting plate 424 and the second spline connecting plate 425 are fixedly connected through the horizontal plate;

[0062] When the roller assembly 3 translates, it drives the second spline connecting plate 425, the first spline connecting plate 424, and the chain guard 46 to translate, and then drives the intermediate connecting assembly 423 to slide axially along the external spline shaft 4221, so that the intermediate connecting assembly 423 rotates with the spline 422 and can translate axially along the spline 422 as the roller assembly 3 moves.

[0063] Preferably, the idler tensioning assembly 44 comprises: a first tensioning plate 441, a second tensioning plate 442, an idler 444 shaft 443, an idler 444, and a tensioning screw 445; wherein the first tensioning plate 441 is fixedly mounted on the second spline connecting plate 425, the second tensioning plate 442 is slidably mounted on the second spline connecting plate 425 through a waist hole, the idler 444 is rotatably mounted on the second tensioning plate 442 through the idler 444 shaft 443, and the tensioning screw 445 passes through the first tensioning plate 441 and is plugged into the second tensioning plate 442;

[0064] In addition, an idler wheel 444 is arranged on one side of the drive chain 43 for tensioning the drive chain 43; a tensioning screw 445 is threadedly connected to the first tensioning plate 441, and the tensioning screw 445 is movably connected to the second tensioning plate 442; when the tensioning screw 445 is rotated, the tensioning screw 445 translates in the first tensioning plate 441 and drives the second tensioning plate 442 to translate on the second spline connecting plate 425, so as to adjust the tensioning force of the drive chain 43.

[0065] Working principle:

[0066] When the battery cell tray is transported, the power of the driving motor 411 is used to transmit the shaft of the spline shaft assembly 42 through the coupling 45, so that the outer spline shaft 4221 in the spline shaft assembly 42 rotates, and the outer spline shaft 4221 drives the spline outer cylinder 4222 to rotate coaxially, and the spline outer cylinder 4222 drives the spline connecting shaft 4231 fixed thereto to rotate coaxially, and the spline connecting shaft 4231 drives the intermediate sprocket 4235 to rotate again when rotating, and transmits the power to the roller member 32 through the driving chain 43, driving the roller member 32 to rotate, and the transmission power is transmitted in pairs through the multiple groups of transmission chains 33 on the two groups of roller assemblies 3, so as to realize the synchronous rotation of the two groups of roller assemblies 3 of the roller line, so as to achieve the purpose of continuous transportation of the battery cell tray;

[0067] When the roller line needs to be adjusted in width, the cylinder 24 is started, and the power output by the cylinder 24 drives the cylinder connecting plate 25 and the roller mounting plate 31 in the roller assembly 3 to translate. During the translation process, the roller mounting plate 31 drives the slider mounting plate 23 and the linear slider 22 to slide on the linear guide rail 21, thereby realizing the unilateral synchronous translation of the entire roller line. Secondly, the two groups of spline 422 connecting plate assemblies move with the two groups of roller assemblies 3, and apply power to the middle connecting assembly 423 to move along the spline 422. Specifically, when the roller mounting plate 31 translates, it drives the second spline connecting plate 425, the first spline connecting plate 424, and the chain guard 46 to translate synchronously. The second spline connecting plate 425 and the first spline connecting plate 424 drive the middle connecting assembly 423 to slide axially along the outer spline shaft 4221, so that the middle connecting assembly 423 rotates with the spline 422 and can translate axially along the spline 422 with the movement of the roller assembly 3.

[0068] In summary, the utility model adjusts the relative distance between the two groups of roller assemblies 3 through the cylinder 24, and drives the transmission assembly 4 to move in the same direction, thereby realizing rapid adjustment of the roller line width. Through the connection and transmission design between the roller assembly 3 and the transmission assembly 4, when the roller assembly 3 moves, the transmission assembly 4 is driven to move, and the transmission assembly 4 does not affect the transmission of motor power to the roller assembly 3 during the movement, so that the roller assembly 3 can rotate normally, further expanding the adjustment range of the roller line width, avoiding the replacement of rollers and transmission parts during adjustment, and saving the cost of replacement. The transmission component 4 adopts a spline 422 shaft combination design, especially the spline 422 connecting plate component is rigidly connected to the roller component 3, the spline 422 connecting plate component is abutted against the intermediate connecting component 423, and the spline 422 connecting plate component moves with the two groups of roller components 3, applying power to the intermediate connecting component 423 to move along the spline 422; the sprockets of the roller component 3 and the intermediate connecting component 423 are respectively engaged at both ends of the driving chain 43; when the roller component 3 moves, the intermediate connecting component 423 of the transmission component 4 moves axially along the external spline shaft 4221 with the former, providing better guidance for the movement of the transmission parts without affecting its transmission performance; when the machine drives the spline 422 to rotate, except for the spline bearing seat 4232, all other parts of the spline 422 intermediate connecting component 423 will rotate, and the roller is driven to rotate through the driving chain 43.

[0069] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0070] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A flexible pallet conveyor roller line, characterized in that: include: A pitch-changing mechanism and two sets of roller assemblies arranged opposite to each other, wherein the two sets of roller assemblies are arranged on the pitch-changing mechanism, and the pitch-changing mechanism is used to drive the two sets of roller assemblies to move toward or away from each other, so as to adjust the width between the two sets of roller assemblies; It also includes a driving assembly, which drives the roller assembly through the transmission assembly, and the pitch-changing mechanism adjusts the width between the transmission assemblies when adjusting the width between the roller assemblies; The pitch-changing mechanism comprises: two groups of cylinder assemblies respectively connected to the two groups of roller assemblies; the two groups of roller assemblies and the two groups of cylinder assemblies are arranged on the bracket opposite to each other, and the two groups of roller assemblies arranged opposite to each other form a roller line, and the width of the roller line is adjusted according to the power output by the cylinder assembly; The driving assembly is connected to the transmission assembly; the transmission assembly adopts a spline shaft combination design, and the transmission assembly includes: a spline shaft assembly arranged at the ends of the two roller assemblies, one end of which is respectively connected to the two roller assemblies and the other end of which is respectively connected to the spline shaft assembly; The spline shaft assembly is transmission-connected to the roller assembly through a drive chain and is rigidly connected to the roller assembly, so as to transmit driving force to the roller assembly and move in the same direction as the roller assembly.

2. The flexible pallet conveyor roller line according to claim 1 is characterized in that: The cylinder assembly comprises: two sets of guide rail assemblies fixedly mounted on the bracket and opposite to each other, and two sets of cylinders fixedly mounted on the bracket and respectively parallel to the two sets of guide rail assemblies; The guide rail assembly includes: a linear guide rail horizontally mounted on the bracket, a linear slider slidably mounted on the linear guide rail, and a slider mounting plate fixedly mounted on the linear slider; The power output end of the cylinder is fixedly connected with a cylinder connecting plate; The cylinder connecting plate and the slider mounting plate are both fixedly mounted on the roller assembly. When the power output by the cylinder drives the cylinder connecting plate and the roller assembly to translate, the roller assembly drives the slider mounting plate and the linear slider to slide on the linear guide rail during the translation process.

3. The flexible pallet conveyor roller line according to claim 2 is characterized in that: The roller assembly comprises: a roller mounting plate fixedly connected to the cylinder connecting plate and the slider mounting plate, a roller member arranged on the roller mounting plate, and a roller cover fixedly mounted on the top of the roller mounting plate; The roller parts are in several groups, and each group of roller parts includes: a roller shaft rotatably connected to a roller mounting plate, and transmission gears and rollers respectively mounted on the roller shaft; Several groups of roller components are horizontally arranged on the side of the roller mounting plate, and the several groups of roller components are connected and driven in pairs through transmission chains; The power output by the cylinder drives the cylinder connecting plate and the roller mounting plate to translate, and the roller mounting plate drives the slider mounting plate to slide on the linear guide rail through the linear slider.

4. The flexible pallet conveyor roller line according to claim 3 is characterized in that: The driving assembly comprises: a motor mounting plate fixedly mounted on the bracket, and a driving motor fixedly mounted on the motor mounting plate; The driving assembly outputs power to the two transmission assemblies synchronously, and the two transmission assemblies transmit the power to the corresponding roller assemblies respectively, thereby driving the two roller assemblies to rotate synchronously, which is used for roller line transportation of battery cell pallets.

5. The flexible pallet conveyor roller line according to claim 4 is characterized in that: The transmission assembly also includes: a coupling mounted on the power end of the drive motor, an idler tensioning assembly mounted on the bracket and respectively connected to the two sets of drive chains; The spline shaft assembly is axially mounted on the end of the coupling away from the drive motor, and the power of the drive motor is transmitted to the spline shaft assembly through the coupling to rotate the spline shaft assembly; when the spline shaft assembly rotates, it drives the drive chain to transmit power, thereby transmitting power to the roller assembly for transporting the battery tray; The power output by the cylinder drives the roller assembly to translate through the cylinder connecting plate and the guide rail assembly. When the roller assembly translates, it drives the spline shaft assembly and the drive chain to move in the same direction, so that the transmission relationship between the roller assembly, the spline shaft assembly and the drive chain is not affected by the movement of the roller assembly.

6. The flexible pallet conveyor roller line according to claim 5 is characterized in that: The spline shaft assembly comprises: two sets of bearing seats fixedly mounted on both sides of the bracket and coaxially arranged, two sets of spline connecting plate assemblies respectively located on one side of the two sets of bearing seats, splines passing through the two sets of spline connecting plate assemblies and the two sets of bearing seats and connected to the coupling, and two sets of intermediate connecting assemblies sleeved on the splines and respectively abutting against the two sets of spline connecting plate assemblies; The two groups of spline connecting plate assemblies are respectively fixedly mounted on the ends of the two groups of roller assemblies; the two groups of spline connecting plate assemblies move with the two groups of roller assemblies, applying power to the middle connecting assembly to move along the splines.

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