Cylindrical flat-grinding automatic feeding mechanism
By designing a cylindrical flat grinding automatic loading mechanism, the batch sorting and centralized feeding of materials are realized, and the problems of product damage and low efficiency caused by manual loading are solved, which improves production efficiency and reduces labor costs.
Patent Information
- Application Number
- CN202422092430.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The flat grinding and feeding method of existing cylindrical magnetic powder cores mainly relies on labor, which has problems such as high product damage rate, low production efficiency and increased labor costs, and existing equipment cannot realize the centralized feeding of small-sized materials.
A cylindrical flat grinding automatic feeding mechanism is designed, including independently controlled first and second conveyor belts, feed channels, movable grippers and material pushing components to realize batch sorting, arrangement and centralized feeding of materials into the flat grinder.
It improves grinding efficiency, avoids product damage caused by manual operation errors, reduces the defective yield and labor costs, and solves the problems of high production efficiency and labor demand.
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Figure CN223160619U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of feeding devices for surface grinding machines, and particularly to a cylindrical surface grinding automatic feeding mechanism. Background Art
[0002] At present, the existing feeding method for cylindrical magnetic powder cores in surface grinding is manual feeding, but manual feeding has the following problems: 1). During the production process, due to misoperation during manual feeding, the product may collide with the workbench or fall to the ground, resulting in notches or breakage of the product, leading to an increase in the defective rate; 2). Due to long-term repetitive manual work, the work efficiency may decrease, and the work error rate may increase, resulting in a decrease in production efficiency; 3). Due to the large demand for cylindrical magnetic powder core products, it is difficult for workers to keep up with the surface grinding speed, resulting in a decrease in production efficiency; 4). Due to the large demand for cylindrical magnetic powder core products and long production time, the demand for labor is large, resulting in an increase in labor costs.
[0003] The prior art with the publication number CN110788714A discloses a sole grinding robot and a sole grinding system, which relates to the field of sole grinding equipment. The sole grinding robot includes: a four-axis grinding machine table, a sole clamping device, a sole conveying device, a sole feeding device, and a control device. The four-axis grinding machine table is arranged on the sole conveying device, the sole clamping device is arranged between the four-axis grinding machine table and the sole conveying device, the sole feeding device is connected to one end of the sole conveying device, and the control device is electrically connected to the four-axis grinding machine table, the sole clamping device, the sole conveying device, and the sole feeding device respectively.
[0004] The prior art can only perform grinding work on one material each time, and cannot arrange small-sized materials and then perform centralized feeding. Summary of the Utility Model
[0005] In order to solve the problem of low grinding efficiency of small-sized materials in the prior art, the purpose of the utility model is to provide a cylindrical surface grinding automatic feeding mechanism, which can sort, arrange, and centrally feed multiple materials into the surface grinding machine, thereby improving the grinding efficiency.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions: A cylindrical surface grinding automatic feeding mechanism includes a first conveyor belt and a second conveyor belt installed on a chassis. The first conveyor belt and the second conveyor belt are independently controlled. The first conveyor belt delivers materials to the second conveyor belt. An inlet channel is arranged above the second conveyor belt. The inlet of the inlet channel is in a horn shape, and only one material can pass through the outlet of the inlet channel. The mechanism also includes a gripper movably installed on the chassis. The gripper can grab the materials discharged from the inlet channel and deliver the materials to a stacking position. The materials placed at the stacking position can be sent to the surface grinding machine through a pusher assembly to achieve feeding.
[0007] Preferably, a transition plate is provided between the first conveyor belt and the second conveyor belt. The transition plate is fixed to the chassis, and the material on the first conveyor belt moves to the second conveyor belt through the transition plate.
[0008] Preferably, the top surface of the transition plate, the top surface of the first conveyor belt, and the top surface of the second conveyor belt are at the same height.
[0009] Preferably, the conveying directions of the first conveyor belt and the second conveyor belt are the same.
[0010] Preferably, a first baffle and a fourth conveyor belt are provided above the second conveyor belt. The first baffle and the fourth conveyor belt are arranged opposite to each other, and the first baffle and the fourth conveyor belt form a feeding channel; a bevel edge is provided on the first baffle, and the bevel edge of the first baffle and the fourth conveyor belt cooperate to form an inlet of the feeding channel.
[0011] Preferably, the second conveyor belt and the fourth conveyor belt are vertically arranged, the second conveyor belt and the fourth conveyor belt move synchronously, and the fourth conveyor belt cooperates with the second conveyor belt to achieve synchronous scraping of materials.
[0012] Preferably, a plurality of waist-shaped holes are formed in the first baffle, and fasteners fix the first baffle to the chassis through the waist-shaped holes; the first baffle can adjust the distance between the first baffle and the fourth conveyor belt by adjusting the relative positions of the fasteners and the waist-shaped holes.
[0013] Preferably, it includes a third conveyor belt. A discharge channel is provided on the third conveyor belt. The discharge channel is communicated with the outlet of the feeding channel. The materials in the feeding channel enter the discharge channel one by one and are arranged one by one in the material discharge channel.
[0014] Preferably, a sensor is installed at the end of the feeding channel. When the materials in the discharge channel trigger the sensor, the third conveyor belt stops moving.
[0015] Preferably, a mounting frame is fixed to the chassis. A lead screw is rotatably installed on the mounting frame. A sixth motor for driving the lead screw is installed on the mounting frame. A connecting frame is slidably installed on the mounting frame. The lead screw is threadedly connected to the connecting frame. A grasping cylinder is installed on the connecting frame, and a gripper is installed on the telescopic end of the grasping cylinder; the sixth motor can drive the lead screw to cause the connecting frame to move between the third conveyor belt and the inlet of the horizontal grinding machine.
[0016] The beneficial effects of the technical solution of the present utility model are as follows: The feeding mechanism is applicable to multi-row cylindrical magnetic powder cores. The first conveyor belt and the second conveyor belt achieve batch-by-batch centralized feeding. The gripper and the pusher assembly can automatically arrange the materials to realize the automatic feeding process of the surface grinder. Furthermore, during the production process, it can avoid the situation that due to the misoperation during manual feeding, the product collides with the workbench or falls to the ground, resulting in the notch or breakage of the product, and then causing the increase of the defective product rate. And this feeding mechanism can avoid the consequence of the decline in work efficiency and the increase in work error rate caused by long-term manual repetitive work, resulting in the decline of production efficiency. And the above-mentioned feeding mechanism can solve the problem of the decline in production efficiency caused by the large demand for cylindrical magnetic powder core products and the difficulty of workers' working speed to keep up with the surface grinding speed. The above-mentioned feeding mechanism can solve the problems of large demand for cylindrical magnetic powder core products, long production time, large demand for labor, and the increase in labor costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is the structural schematic diagram of the automatic feeding mechanism for cylindrical surface grinding Figure 1 ;
[0018] Figure 2 is the structural schematic diagram of the automatic feeding mechanism for cylindrical surface grinding Figure 2 ;
[0019] Figure 3 is the structural schematic diagram of the feeding component;
[0020] Figure 4 is the structural schematic diagram of the feeding component and the discharging component;
[0021] Figure 5 is the structural schematic diagram of the material transfer component.
[0022] Reference numerals: 1, first conveyor belt; 10, chassis; 11, first motor; 2, transition plate; 3, second conveyor belt; 4, third conveyor belt; 41, third motor; 51, first baffle; 511, bevel edge; 512, straight edge; 52, fourth conveyor belt; 521, fourth motor; 522, fourth mounting seat; 53, second baffle; 54, third baffle; 55, fourth baffle; 56, swing rod; 561, connection hole; 57, sixth baffle; 58, seventh baffle; 61, mounting frame; 62, gripper; 63, sixth motor; 64, connecting frame; 65, grasping cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.
[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is 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 thus should not be construed as limiting the present utility model.
[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more, unless otherwise clearly defined.
[0026] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.
[0027] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "under" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature. Embodiment
[0028] As Figures 1-5 shown, a cylindrical surface grinding automatic feeding mechanism includes a first conveyor belt 1 and a second conveyor belt 3 installed on a chassis 10. The first conveyor belt 1 and the second conveyor belt 3 are independently controlled. The first conveyor belt 1 sends materials to the second conveyor belt 3. Above the second conveyor belt 3, there is a feeding channel. The inlet of the feeding channel is in a horn shape, and only one material can pass through the outlet of the feeding channel. It also includes a gripper 66 movably installed on the chassis 10. The gripper 66 can grab the materials discharged from the feeding channel and send the materials to the material stacking position to be stacked. The materials placed at the material stacking position can be sent to a surface grinder through a pusher assembly to achieve feeding.
[0029] With such a setting, the feeding mechanism can be applicable to multiple rows of cylindrical magnetic powder cores. The first conveyor belt 1 and the second conveyor belt 3 achieve batch-by-batch and sequential centralized feeding. The gripper 66 and the pusher assembly can automatically arrange the materials to realize the automatic feeding process of the surface grinder. Furthermore, during the production process, it can avoid the situation that due to the misoperation during manual feeding, the product collides with the workbench or falls to the ground, resulting in notches or breakage of the product, thus causing an increase in the defective product rate. And this feeding mechanism can avoid the consequences of the decline in work efficiency and the increase in work error rate caused by long-term manual repetitive work, resulting in a decrease in production efficiency. And the above feeding mechanism can solve the problem of the decline in production efficiency caused by the large demand for cylindrical magnetic powder core products and the difficulty for workers' working speed to keep up with the surface grinding speed. The above feeding mechanism can solve the problems of large demand for cylindrical magnetic powder core products, long production time, large demand for labor, and rising labor costs.
[0030] In this embodiment, a transition plate 2 is provided between the first conveyor belt 1 and the second conveyor belt 3. The top surface of the transition plate 2, the top surface of the first conveyor belt 1, and the top surface of the second conveyor belt 3 are at the same height. The conveying directions of the first conveyor belt 1 and the second conveyor belt 3 are the same. With such a setting, after the worker places the materials on the first conveyor belt 1, the materials actively stay and gather on the transition plate 2, and then are pushed onto the second conveyor belt 3 by the subsequent materials, so that the materials can gather on the second conveyor belt 3 and are easily fed uniformly.
[0031] In this embodiment, as Figures 1 to 4As shown in the figure, the feeding mechanism includes a first baffle 51 and a fourth conveyor belt 52. The first baffle 51 is fixed on the chassis 10, and the fourth conveyor belt 52 is installed on the chassis 10. The first baffle 51 and the fourth conveyor belt 52 are arranged above the second conveyor belt 3. The first baffle 51 and the fourth conveyor belt 52 are arranged opposite to each other, and the first baffle 51 and the fourth conveyor belt 52 form a feeding channel. The first baffle 51 is provided with an inclined edge 511, and the inclined edge 511 of the first baffle 51 and the fourth conveyor belt 52 cooperate to form an inlet of the feeding channel; the fourth conveyor belt 52 is inclined, and the first baffle 51 is further provided with a straight edge 512 connected to the inclined edge 511, and the straight edge 512 and the fourth conveyor belt 52 cooperate to form an outlet of the feeding channel.
[0032] Further preferably, as Figures 1 to 4 shown in the figure, two first driving rollers are rotatably installed on the chassis 10, the first conveyor belt 1 is sleeved on the two first driving rollers, a first mounting seat is fixed on the chassis 10, the first motor 11 is installed on the first mounting seat, and the output end of the first motor 11 is in transmission connection with one of the first driving rollers through a first transmission belt; two second driving rollers are rotatably installed on the chassis 10, the second conveyor belt 3 is sleeved on the two second driving rollers, a second mounting seat is fixed on the chassis 10, the second motor is installed on the second mounting seat, and the output end of the second motor is in transmission connection with one of the second driving rollers through a second transmission belt; a fourth mounting seat 522 is fixed on the chassis 10, the fourth motor 521 is installed on the fourth mounting seat 522, the mounting plate is fixed on the fourth mounting seat 522, two fourth driving rollers are rotatably installed on the fourth mounting seat 522, the fourth conveyor belt 52 is sleeved on the two fourth driving rollers, and the fourth motor 521 is connected to one of the fourth driving rollers.
[0033] Further preferably, the second conveyor belt 3 and the fourth conveyor belt 52 are arranged perpendicular to each other, the second conveyor belt 3 and the fourth conveyor belt 52 move synchronously, and the fourth conveyor belt 52 cooperates with the second conveyor belt 3 to achieve synchronous scraping of materials. With such a setting, the fourth conveyor belt 52 assists in material transportation, thereby avoiding the friction between the material and the baffle causing the material to fall. By the fourth conveyor belt 52 cooperating with the second conveyor belt 3 to achieve synchronous scraping of materials, the material is prevented from falling, ensuring the smooth feeding of the material.
[0034] Further preferably, as Figure 3 shown in the figure, a plurality of kidney-shaped holes are formed in the first baffle 51, and the first baffle 51 is fixed on the chassis 10 through the kidney-shaped holes by fasteners. By adjusting the relative positions of the fasteners and the kidney-shaped holes, the distance between the first baffle 51 and the fourth conveyor belt 52 can be adjusted.
[0035] In this embodiment, as Figures 1 to 3As shown, a sixth baffle 57 and a seventh baffle 58 are fixed on the chassis 10. The sixth baffle 57 and the seventh baffle 58 are located above the first conveyor belt 1 and the second conveyor belt 3. The sixth baffle 57 and the seventh baffle 58 are arranged oppositely and cooperate to form a feeding channel.
[0036] In this embodiment, a swing rod 56 is fixed on the chassis. The swing rod is located above the second conveyor belt, between the sixth baffle and the first baffle. A connection hole is provided on the swing rod, and a fastener is connected to the chassis through the connection hole 561. The angle of the swing rod can be adjusted by loosening or tightening the fastener.
[0037] In this embodiment, as Figure 4 shown, the feeding mechanism includes a third conveyor belt 4. A discharging channel is arranged above the third conveyor belt 4. The discharging channel is communicated with the outlet of the feeding channel. The materials in the feeding channel enter the discharging channel one by one and are arranged one by one in the discharging channel.
[0038] Further preferably, a second baffle 53 and a third baffle 54 are fixed on the chassis 10. The second baffle 53 and the third baffle 54 are arranged oppositely. The second baffle 53 and the third baffle 54 cooperate to form a discharging channel. A fourth baffle 55 for blocking the discharging channel is fixed at the ends of the second baffle 53 and the third baffle 54. Further, as Figure 4 shown, waist-shaped holes are provided on both the second baffle 53 and the third baffle 54. The fastener passes through the waist-shaped holes and then fixedly connects the baffle to the chassis 10. The width of the discharging channel can be adjusted through the waist-shaped holes, so as to match more specifications of materials.
[0039] Further preferably, as Figure 4 shown, the third conveyor belt 4 and the second conveyor belt 3 are arranged vertically. In this way, the overall mechanism is more compact and more suitable for installation in the workshop.
[0040] Further preferably, a sensor is installed at the end of the feeding channel. When the materials in the discharging channel trigger the sensor, the third conveyor belt 4 stops moving, which is convenient for the gripper 66 to grab. Among them, the sensor is an infrared sensor.
[0041] Further preferably, two third driving rollers are rotatably installed on the chassis 10. The third conveyor belt 4 is sleeved on the two third driving rollers. A third motor 41 for driving the third driving roller is installed on the chassis 10.
[0042] In this embodiment, as Figure 2 and Figure 5 shown, a mounting bracket 61 is fixed on the chassis 10. A movable grabbing cylinder 65 is installed on the mounting bracket 61. The gripper 66 is installed on the telescopic end of the grabbing cylinder 65. The grabbing cylinder 65 will be located above the third conveyor belt.
[0043] Further preferably, a lead screw is rotatably installed on the mounting bracket 61, a sixth motor 63 for driving the lead screw is installed on the mounting bracket 61, a connecting bracket 64 is slidably installed on the mounting bracket 61, the lead screw is threadedly connected to the connecting bracket 64, and the grasping cylinder 65 is installed on the connecting bracket 64; the sixth motor 63 drives the lead screw to cause the connecting bracket to drive the gripper 66 to move between the third conveyor belt 4 and the feeding port of the surface grinder through the grasping cylinder 65.
[0044] In this embodiment, the gripper 66 is an electromagnetic plate, and whether the electromagnetic plate adsorbs the material is controlled by controlling the energization and de-energization of the electromagnetic plate.
[0045] In this embodiment, the pushing mechanism includes a stacking plate installed on the chassis 10, a pushing cylinder is installed on the chassis 10, and a pushing plate is installed on the telescopic end of the pushing cylinder; the chassis 10 is also installed with a surface grinding conveyor belt for sending the material to the feeding end of the surface grinder, two fifth driving rollers are rotatably installed on the chassis 10, the surface grinding conveyor belt is sleeved on the two fifth driving rollers, and the fifth motor is installed on the chassis 10 and connected to one of the fifth driving rollers.
[0046] In this embodiment, the Mitsubishi PLC control system is used to automatically control the above feeding mechanism.
[0047] When using the above cylindrical magnetic powder core full-automatic surface grinding feeding mechanism, first, the worker places the cylindrical magnetic powder core with the surface to be ground facing up on the first conveyor belt 1 with a hand-held magnet, and the material on the first conveyor belt 1 enters the second conveyor belt 3 through the transition plate 2; after a certain number of materials are stored on the second conveyor belt 3, the first conveyor belt 1 stops conveying, and the second conveyor belt 3 and the fourth conveyor belt 52 move synchronously to separate the materials stacked on the second conveyor belt 3 one by one and send them to the third conveyor belt 4. After a certain number of materials are stored on the third conveyor belt 4, the gripper 66 grabs the materials to the waiting-to-be-pushed position on the stacking plate. When the materials at the waiting-to-be-pushed position reach the set number, the pushing air pipe pushes the materials onto the surface grinding conveyor belt to complete the surface grinding feeding process.
[0048] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0049] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model without departing from the principle and spirit of the present utility model.
Claims
1. A cylindrical surface grinding automatic feeding mechanism, characterized in that: It includes a first conveyor belt (1) and a second conveyor belt (3) installed on a chassis (10). The first conveyor belt (1) and the second conveyor belt (3) are independently controlled. The first conveyor belt (1) delivers materials onto the second conveyor belt (3). Above the second conveyor belt (3), there is a feed channel. The inlet of the feed channel is flared, and only one material can pass through the outlet of the feed channel. It also includes a gripper movably installed on the chassis (10). The gripper (62) can grab the materials discharged from the feed channel and deliver the materials to the stacking position. The materials placed at the stacking position can be sent to a horizontal grinding mill for feeding through a pusher assembly.
2. The automatic feeding mechanism for cylindrical surface grinding according to claim 1, characterized in that: A transition plate (2) is arranged between the first conveyor belt (1) and the second conveyor belt (3). The transition plate (2) is fixed to the chassis (10). The materials on the first conveyor belt (1) move onto the second conveyor belt (3) through the transition plate (2).
3. The automatic feeding mechanism for cylindrical surface grinding according to claim 2, wherein: The top surface of the transition plate (2), the top surface of the first conveyor belt (1), and the top surface of the second conveyor belt (3) are at the same height.
4. The automatic feeding mechanism for cylindrical surface grinding according to claim 2, characterized in that: The conveying direction of the first conveyor belt (1) is the same as that of the second conveyor belt (3).
5. The automatic feeding mechanism for cylindrical surface grinding according to claim 1, characterized in that: Above the second conveyor belt (3), there is a first baffle (51) and a fourth conveyor belt (52). The first baffle (51) and the fourth conveyor belt (52) are arranged oppositely, and the first baffle (51) and the fourth conveyor belt (52) form a feeding channel. The first baffle (51) is provided with an inclined edge, and the inclined edge of the first baffle (51) and the fourth conveyor belt (52) cooperate to form the inlet of the feed channel.
6. The automatic loading mechanism for cylindrical surface grinding according to claim 5, characterized in that: The second conveyor belt (3) and the fourth conveyor belt (52) are perpendicularly arranged and move synchronously. The fourth conveyor belt (52) cooperates with the second conveyor belt (3) to achieve synchronous scraping of materials.
7. A cylindrical surface grinding automatic loading mechanism according to claim 5, characterized in that: A plurality of kidney-shaped holes are formed in the first baffle (51). Fasteners fix the first baffle (51) to the chassis (10) through the kidney-shaped holes. The first baffle (51) can adjust the distance between the first baffle (51) and the fourth conveyor belt (52) by adjusting the relative positions of the fasteners and the kidney-shaped holes.
8. A cylindrical surface grinding automatic feeding mechanism according to claim 1, characterized in that: It includes a third conveyor belt (4). A discharge channel is arranged on the third conveyor belt (4). The discharge channel is communicated with the outlet of the feed channel. The materials in the feed channel enter the discharge channel one by one and are arranged in the discharge channel one by one.
9. An automatic feeding mechanism for cylindrical surface grinding according to claim 8, characterized in that: An inductor is installed at the end of the feed channel. When the materials in the discharge channel trigger the inductor, the third conveyor belt (4) stops moving.
10. The cylindrical surface grinding automatic loading mechanism according to claim 1, wherein: An installation frame (61) is fixed on the chassis (10). A lead screw is rotatably installed on the installation frame (61). A sixth motor (63) for driving the lead screw is installed on the installation frame (61). A connecting frame (64) is slidably installed on the installation frame (61). The lead screw is threadedly connected to the connecting frame (64). A gripping cylinder (65) is installed on the connecting frame (64), and a gripper (62) is installed on the telescopic end of the gripping cylinder (65). The sixth motor (63) can drive the lead screw to cause the connecting frame (64) to move between the third conveyor belt (4) and the inlet of the horizontal grinding mill.
Citation Information
Patent Citations
Shoe sole polishing robot and shoe sole polishing system
CN110788714A