Roll changing device and conveying device

Abstract

The utility model relates to the technical field of glass conveying, in particular to a roller changing device and a conveying device.The roller changing device comprises an installation frame, an auxiliary roller set and a driving assembly, the auxiliary roller set comprises two first auxiliary rollers, the two first auxiliary rollers are connected to the top end of the installation frame in a spaced and rolling mode in the first direction, and the driving assembly is installed on the installation frame; the adjusting device is in driving connection with the auxiliary roller set so as to adjust the relative distance between the auxiliary roller set and the external belt. According to the roller replacing device, the lower carrier roller can be replaced without shutdown, and then the replacing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of glass conveying technology, and in particular to a roller changing device and a conveying device. Background Technology

[0002] Electronic glass is a high-tech product used in the fields of electronics, microelectronics, and optoelectronics. It is mainly used to manufacture integrated circuits and glass materials with functions such as optoelectronics, thermoelectricity, acousto-optics, and magneto-optics. Its application prospects are very broad.

[0003] In electronic glass production lines, belt conveyors are used for transport. Numerous lower idlers are installed beneath the belts to support them and prevent belt misalignment. However, these lower idlers operate continuously in dusty environments, leading to wear and tear and necessitating frequent replacement. Current technology typically requires stopping the belt conveyor for replacement, which can cause material blockages and results in low replacement efficiency. Utility Model Content

[0004] The main purpose of this invention is to propose a roller changing device that aims to solve the problems of material blockage and low changing efficiency when changing the lower idler roller in current technology.

[0005] To solve the above problems, this utility model proposes a roller changing device, comprising:

[0006] Mounting rack;

[0007] An auxiliary roller assembly, comprising two first auxiliary rollers, the two first auxiliary rollers being spaced apart and connected to the top end of the mounting frame along a first direction; and

[0008] A drive assembly is mounted on the mounting frame and driven to the auxiliary roller group to adjust the relative distance between the auxiliary roller group and the external belt.

[0009] In one embodiment, the two first auxiliary rollers are rotatably connected to the top of the mounting frame at intervals along a first direction.

[0010] In one embodiment, the first auxiliary roller includes a roller body and a connecting rod. The roller body is rotatably connected to the connecting rod, and the connecting rod is rotatably connected to the top of the mounting frame to adjust the angle of the first auxiliary roller relative to the mounting frame so as to adapt to the contours of the bottom ends of the outer belt.

[0011] In one embodiment, the auxiliary roller group further includes a second auxiliary roller, which is tactilely connected to the top of the mounting frame and located between the two first auxiliary rollers for rolling contact with the bottom of the outer belt.

[0012] In one embodiment, the roller changing device includes at least two auxiliary roller groups, which are rotatably connected to the mounting frame at intervals along a second direction.

[0013] In one embodiment, the mounting frame is a hollow frame, the auxiliary roller group is rotatably connected to the top of the frame, and the drive assembly is driven to the frame to adjust the relative distance between the auxiliary roller group and the external belt.

[0014] In one embodiment, the drive assembly includes a base, a drive member, at least one lead screw, and at least one corresponding lead screw nut. The drive member is mounted on the base, the lead screw nut is mounted on the frame, the lead screw passes through the lead screw nut, one end of the lead screw is connected to the frame, and the other end is drivenly connected to the drive member.

[0015] In one embodiment, the driving component includes a rocker arm, a transmission rod, at least one first gear and at least one corresponding second gear. The transmission rod is inserted into the base, and two first gears are spaced apart and sleeved on the transmission rod. A second gear is installed at the other end of a lead screw, and a first gear meshes with a second gear.

[0016] The rocker arm is connected to the end of the transmission rod away from the base, so as to drive the transmission rod to rotate.

[0017] In one embodiment, the base is further provided with a snap-fit ​​portion at its bottom end, the snap-fit ​​portion being used to snap into an external bracket.

[0018] This utility model also proposes a transport device, including a support, a lower idler roller, a roller changing device, and a belt. The roller changing device is the roller changing device described above. The lower idler roller is installed on the support, and the belt is movably disposed above the lower idler roller. The roller changing device is used to replace the lower idler roller and abut against the bottom end of the belt when the lower idler roller is under maintenance.

[0019] This invention discloses a roller changing device, including a mounting frame, an auxiliary roller group, and a drive assembly. The auxiliary roller group includes two first auxiliary rollers, which are rotatably connected to the mounting frame near the outer belt, perpendicular to the direction of the external belt conveyor. When using this roller changing device to replace the lower support roller, the device is first placed under the belt. Simultaneously, the drive assembly drives the auxiliary roller group to lift until the two first auxiliary rollers abut against the bottom ends of the belt, serving as temporary lower support rollers to ensure the belt can continue transporting glass. After stable contact, the drive assembly drives the auxiliary roller group to lift again, separating the belt from the damaged lower support roller. The operator then replaces the damaged lower support roller. After replacement, the roller changing device is removed. This roller changing device allows for lower support roller replacement without stopping the machine, thereby improving replacement efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of the roller changing device of this utility model;

[0022] Figure 2 This is a schematic diagram of the combined structure of the bracket and the lower roller of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of an embodiment of the transportation device of this utility model.

[0024] Explanation of icon numbers:

[0025] 100. Roller changing device; 10. Mounting frame; 20. Auxiliary roller group; 21. First auxiliary roller; 211. Roller body; 212. Connecting rod; 22. Second auxiliary roller; 30. Drive assembly; 31. Base; 311. Snap-fit ​​part; 32. Drive component; 321. Rocker arm; 322. Transmission rod; 323. First gear; 324. Second gear; 33. Lead screw; 34. Lead screw nut; 200. Bracket; 300. Lower support roller.

[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] If the present utility model involves directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0029] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0030] In current electronic glass production lines, belt conveyors are used for transport. Numerous lower idlers are installed beneath the belts to support them and prevent belt misalignment. However, these lower idlers operate continuously in dusty environments, leading to wear and tear and necessitating frequent replacement. Current technology typically requires stopping the belt conveyor for replacement, which can cause material blockages and results in low replacement efficiency.

[0031] To address the aforementioned problems, this utility model proposes a roller changing device, which aims to solve the issues of material blockage and low changing efficiency that often occur when changing the lower idler roller in current technologies.

[0032] In the embodiments of this utility model, the first direction is defined as the direction perpendicular to the external belt conveyor, and the second direction is the direction of the external belt conveyor.

[0033] like Figures 1 to 3In one embodiment, the roller changing device 100 includes a mounting frame 10, an auxiliary roller group 20, and a drive assembly 30. The auxiliary roller group 20 includes two first auxiliary rollers 21, which are spaced apart and connected to the top of the mounting frame 10 along a first direction. The drive assembly 30 is mounted on the mounting frame 10 and driven to the auxiliary roller group 20 to adjust the relative distance between the auxiliary roller group 20 and the external belt.

[0034] In this embodiment, the mounting frame 10 serves as the basic support structure for the entire roller changing device 100, providing a stable mounting platform for other components and ensuring that the auxiliary roller group 20 connected to itself near the external belt can withstand various vibrations and external force interferences generated during production line operation. The auxiliary roller group 20 includes two first auxiliary rollers 21, which are arranged perpendicular to the direction of the external belt and spaced apart, so that the two first auxiliary rollers 21 can abut against it from both ends in the belt width direction to ensure the support stability of the auxiliary roller group 20. At the same time, this arrangement of the two first auxiliary rollers 21 is the same as the layout of the external lower support roller 300 that originally supports the belt, ensuring that the auxiliary roller group 20 can perfectly replace the existing lower support roller 300 and maintain the smooth operation of the belt. The drive assembly 30 is mounted on the mounting frame 10 and driven and connected to the auxiliary roller group 20, mainly used to adjust the relative distance between the auxiliary roller group 20 and the external belt. By operating the drive assembly 30, the auxiliary roller group 20 can be driven to rise or fall according to preset requirements, thereby enabling the auxiliary roller group 20 to come into contact with the bottom of the outer belt and lift the belt a certain distance at the appropriate time, ensuring that the original lower support roller 300 can be smoothly disengaged from the bottom of the outer belt, creating the necessary conditions for the subsequent replacement of the lower support roller 300.

[0035] When replacing the lower support roller 300 using the roller changing device 100 proposed in this utility model, the device 100 is first placed under the belt. Simultaneously, the drive assembly 30 drives the auxiliary roller group 20 to lift until the two first auxiliary rollers 21 abut against the two ends of the bottom of the belt, serving as temporary lower support rollers 300 to ensure the belt can continuously transport glass. After stable contact, the drive assembly 30 drives the auxiliary roller group 20 to lift again, separating the belt from the damaged lower support roller 300. The operator then replaces the damaged lower support roller 300. After replacement, the roller changing device 100 is removed. This roller changing device 100 allows for replacement of the lower support roller 300 without stopping the machine, thereby improving replacement efficiency.

[0036] like Figures 1 to 3 In one embodiment, two first auxiliary rollers 21 are rotatably connected to the top of the mounting frame 10 at intervals along a first direction.

[0037] In this embodiment, the first auxiliary roller 21 is tumbledly connected to the top of the mounting frame 10, so that when it comes into contact with the external belt, it can effectively reduce the friction between the two, thereby ensuring the smooth movement of the belt.

[0038] like Figures 1 to 3 In one embodiment, the first auxiliary roller 21 includes a roller body 211 and a connecting rod 212. The roller body 211 is rotatably connected to the connecting rod 212, and the connecting rod 212 is rotatably connected to the top of the mounting frame 10 to adjust the angle of the first auxiliary roller 21 relative to the mounting frame 10 so as to adapt to the contours of the bottom ends of the outer belt.

[0039] In this embodiment, the roller 211 is a hollow cylindrical structure, fitted onto the outer periphery of the connecting rod 212. A bearing can also be installed between the two to ensure that the roller 211 can rotate smoothly relative to the connecting rod 212. The roller 211 is typically made of a material with good wear resistance, such as stainless steel, to reduce wear on the belt while ensuring stable support. The rotational connection between the roller 211 and the connecting rod 212 allows the roller 211 to rotate freely under belt friction, thus smoothly assisting belt operation. One end of the connecting rod 212 is movably connected to the mounting frame 10. The connection can be a snap-fit. By rotating the connecting rod 212, the angle of the first auxiliary roller 21 relative to the mounting frame 10 can be changed. By adjusting the angle of the connecting rod 212 relative to the mounting frame 10, the first auxiliary roller 21 can precisely adapt to the actual contour of the belt bottom by adjusting its own angle, ensuring a tight fit with the belt bottom under any circumstances and providing stable and uniform support.

[0040] like Figures 1 to 3 In one embodiment, the auxiliary roller group 20 further includes a second auxiliary roller 22, which is tactilely connected to the top of the mounting frame 10 and located between the two first auxiliary rollers 21 for rolling contact with the bottom of the outer belt.

[0041] The auxiliary roller assembly 20 also includes a second auxiliary roller 22, which is roll-connected to the mounting frame 10 and positioned between the two first auxiliary rollers 21. In actual operation, the belt of the electronic glass production line is typically concave due to the weight of the material and its own tension. When the roller changing device 100 is placed under the belt, the second auxiliary roller 22 can roll against the bottom of the belt and form a stable triangular support structure with the two first auxiliary rollers 21. This provides uniform support to the belt from multiple angles, effectively reducing belt deformation and sway, and significantly improving the smoothness of belt operation.

[0042] like Figures 1 to 3In one embodiment, the roller changing device 100 includes at least two auxiliary roller groups 20, which are rotatably connected to the mounting frame 10 at intervals along a second direction.

[0043] In this embodiment, the roller changing device 100 includes at least two auxiliary roller groups 20, which are spaced apart along the belt conveying direction. For example, when the roller changing device 100 includes two auxiliary roller groups 20, when the lower idler roller 300 is replaced using the roller changing device 100, the two auxiliary roller groups 20 are located on both sides of the lower idler roller 300 along the belt conveying direction, ensuring that the support area originally responsible for the lower idler roller 300 can be perfectly supported by the two auxiliary roller groups 20, ensuring the stable operation of the belt, and further improving the versatility of the roller changing device 100.

[0044] like Figures 1 to 3 In one embodiment, the mounting frame 10 is a hollow frame, the auxiliary roller group 20 is tumbledly connected to the top of the frame, and the drive assembly 30 is driven to be connected to the frame to adjust the relative distance between the auxiliary roller group 20 and the external belt.

[0045] In this embodiment, the mounting frame 10 is a hollow frame to reduce its weight and facilitate lifting. The hollow design also provides sufficient installation space for other components, making the roller changing device 100 more compact. The drive assembly 30 is driven and connected to the frame, and the connection method can be a lead screw 33 connection or a guide rail slider connection, allowing the frame to move under the action of the drive assembly 30, ensuring stable contact between the auxiliary roller group 20 and belts of any height. This structural design achieves flexible and precise control of the height of the auxiliary roller group 20 to meet the needs of changing the lower idler roller 300 under different working conditions, improving the versatility of the roller changing device 100.

[0046] like Figures 1 to 3 In one embodiment, the drive assembly 30 includes a base 31, a drive member 32, at least one lead screw 33 and at least one corresponding lead screw 33 nut. The drive member 32 is mounted on the base 31, the lead screw 33 nut is mounted on the frame, the lead screw 33 passes through the lead screw 33 nut, one end of the lead screw 33 is connected to the frame, and the other end is drivenly connected to the drive member 32.

[0047] In this embodiment, the base 31 serves as the fundamental support for the entire roller changing device 100. It is a box-shaped structure with a hollow interior, providing sufficient installation space for the drive component 32. The frame is movably connected to the top of the base 31, and the specific connection method can be a lead screw 33 connection or a guide rail slider connection, etc. The drive component 32 can be a motor, cylinder, or other power device to convert electrical energy into mechanical energy and output stable and controllable rotational power. The drive component 32 is fixedly installed on the base 31 to ensure the stability of its position during operation, thereby providing reliable power support for the entire drive assembly 30. The lead screw 33 is a slender rod-shaped component with a specific thread structure. One end is connected to the drive component 32 for driving. When the drive component 32 operates, it drives the lead screw 33 to rotate at high speed. The other end is connected to the frame, transmitting power and guiding the frame's movement. The nut of the lead screw 33 is tightly fitted to the lead screw 33 and has an internal thread that matches the thread of the lead screw 33. It is fixedly installed on the frame. When the lead screw 33 rotates under the drive of the drive component 32, the nut of the lead screw 33 will move linearly along the axial direction of the lead screw 33 due to the interaction of the threads. Since the nut of the lead screw 33 is fixedly connected to the frame, the linear movement of the nut of the lead screw 33 will directly drive the frame to move synchronously. The specific number of lead screws 33 and nuts is at least two, but not limited. For example, two lead screws 33 and nuts can be used to form two transmission groups. These two transmission groups are spaced apart, providing driving force to the frame from different positions, making the force on the frame more even during movement. The other ends of both lead screws 33 are connected to the drive component 32, enabling the drive component 32 to simultaneously drive both lead screws 33 to rotate synchronously, distributing the rotational power equally between the two lead screws 33. When the drive component 32 operates, the two lead screws 33 rotate synchronously, each driving its corresponding lead screw 33 nut to move along the axial direction of the lead screw 33, thereby collaboratively pushing the frame to rise and fall smoothly, achieving precise adjustment of the relative distance between the auxiliary roller group 20 mounted on the frame and the external belt. Compared with the single lead screw 33 drive, this dual lead screw 33 drive structure can better cope with the unbalanced forces that the frame may face during movement, improving the stability and reliability of the entire drive assembly 30 and the roller changing device 100.

[0048] In the entire roller changing device 100, through the coordinated work of the drive component 32, the lead screw 33 and the lead screw 33 nut, the rotational motion of the drive component 32 is precisely converted into the linear lifting motion of the frame, thereby accurately controlling the relative distance between the auxiliary roller group 20 and the external belt, and realizing the flexible adjustment of the position of the auxiliary roller group 20.

[0049] like Figures 1 to 3In one embodiment, the driving member 32 includes a rocker arm 321, a transmission rod 322, at least one first gear 323 and at least one corresponding second gear 324. The transmission rod 322 is inserted into the base 31, and two first gears 323 are spaced apart and sleeved on the transmission rod 322. A second gear 324 is installed at the other end of the lead screw 33, and a first gear 323 meshes with a second gear 324.

[0050] The rocker arm 321 is connected to the end of the transmission rod 322 away from the base 31, so as to drive the transmission rod 322 to rotate.

[0051] In this embodiment, the transmission rod 322 is inserted into the base 31 and is rotatably connected to the base 31 via bearings and other components, ensuring that the transmission rod 322 can rotate flexibly within the base 31. Two first gears 323 are spaced apart on the transmission rod 322 so that they can rotate synchronously with the rotation of the transmission rod 322, thus transmitting power. At the other end of each lead screw 33, a second gear 324 is installed and meshes with the first gear 323. When the first gear 323 rotates, it drives the meshing second gear 324 to rotate synchronously, thereby transmitting the rotational power of the transmission rod 322 to the lead screw 33. At the same time, a rocker arm 321 is connected to the end of the transmission rod 322 away from the base 31. The operator can manually rotate the transmission rod 322 by operating the rocker arm 321. When the rocker arm 321 is pushed to make a circular motion, the transmission rod 322 rotates accordingly, causing the two first gears 323 mounted on it to rotate synchronously. Due to the meshing relationship between the first gear 323 and the second gear 324, the two second gears 324 are also driven to rotate, thereby causing the two lead screws 33 to rotate synchronously. The rotation of the lead screws 33 is then converted into linear motion through the lead screw 33 nut, realizing the lifting and lowering adjustment of the frame and the auxiliary roller group 20 mounted on the frame. This transmission structure composed of the rocker arm 321, the transmission rod 322, and the gear group provides a manual drive method for the roller changing device 100 that can realize the synchronous rotation of the two lead screws 33, meeting the roller changing needs of some scenarios where the degree of automation is not high but flexible manual operation is required.

[0052] like Figures 1 to 3 In one embodiment, the base 31 is further provided with a snap-fit ​​part 311 at the bottom end, which is used to snap-fit ​​with the external bracket 200.

[0053] In this embodiment, the snap-fit ​​part 311 can be in the shape of a protrusion, a groove, or a buckle, so that it can cooperate with the corresponding structure on the external bracket 200 to form a snap-fit ​​relationship. This ensures the installation stability of the roller changing device 100 and facilitates disassembly. Operators can easily disconnect the snap-fit ​​part 311 from the external bracket 200 and remove the roller changing device 100 from the production line.

[0054] This utility model also proposes a transport device, including a support 200, a lower idler roller 300, a roller changing device 100, and a belt. The belt is movably disposed above the lower idler roller 300. The roller changing device 100 is used to replace the lower idler roller 300 and abut against the bottom end of the belt during maintenance. The specific structure of the roller changing device 100 is as described in the above embodiments. Since the roller changing device 100 adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, and will not be described in detail here.

[0055] The above description is merely an exemplary embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural transformations made using the contents of this utility model and its drawings under the technical concept of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A roller changing device, characterized in that, The roller changing device includes: Mounting rack; An auxiliary roller assembly, comprising two first auxiliary rollers, the two first auxiliary rollers being spaced apart and connected to the top end of the mounting frame along a first direction; and A drive assembly is mounted on the mounting frame and driven to the auxiliary roller assembly to adjust the relative distance between the auxiliary roller assembly and the external belt.

2. The roller changing device as described in claim 1, characterized in that, The two first auxiliary rollers are rotatably connected to the top of the mounting frame at intervals along a first direction.

3. The roller changing device as described in claim 1, characterized in that, The first auxiliary roller includes a roller body and a connecting rod. The roller body is rotatably connected to the connecting rod, and the connecting rod is rotatably connected to the top of the mounting frame to adjust the angle of the first auxiliary roller relative to the mounting frame so as to adapt to the contours of the bottom ends of the outer belt.

4. The roller changing device as described in claim 3, characterized in that, The auxiliary roller assembly also includes a second auxiliary roller, which is tactilely connected to the top of the mounting frame and located between the two first auxiliary rollers for rolling contact with the bottom of the outer belt.

5. The roller changing device as described in claim 4, characterized in that, The roller changing device includes at least two auxiliary roller groups, which are rotatably connected to the mounting frame at intervals along a second direction.

6. The roller changing device as described in any one of claims 1 to 5, characterized in that, The mounting frame is a hollow frame, the auxiliary roller group is rotatably connected to the top of the frame, and the drive assembly is driven and connected to the frame to adjust the relative distance between the auxiliary roller group and the external belt.

7. The roller changing device as described in claim 6, characterized in that, The drive assembly includes a base, a drive component, at least one lead screw and at least one corresponding lead screw nut. The drive component is mounted on the base, the lead screw nut is mounted on the frame, the lead screw passes through the lead screw nut, one end of the lead screw is connected to the frame, and the other end is drivenly connected to the drive component.

8. The roller changing device as described in claim 7, characterized in that, The driving component includes a rocker arm, a transmission rod, at least one first gear and at least one corresponding second gear. The transmission rod is inserted into the base, and two first gears are spaced apart and sleeved on the transmission rod. A second gear is installed at the other end of a lead screw, and a first gear meshes with a second gear. The rocker arm is connected to the end of the transmission rod away from the base, so as to drive the transmission rod to rotate.

9. The roller changing device as described in claim 7, characterized in that, The base is also provided with a snap-fit ​​part at its bottom end, which is used to snap-fit ​​with an external bracket.

10. A transport device, characterized in that, The transport device includes a support frame, a lower idler roller, a roller changing device, and a belt. The roller changing device is the roller changing device as described in any one of claims 1 to 9. The lower idler roller is installed on the support frame, and the belt is movably disposed above the lower idler roller. The roller changing device is used to replace the lower idler roller and abut against the bottom end of the belt during maintenance of the lower idler roller.

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