Automatic origin finding mechanism for grinding disc on polishing machine

Abstract

The utility model discloses an automatic origin finding mechanism for a grinding disc on a polishing machine, comprising a polishing machine and a processing table located on the polishing machine for grinding glass, an upper grinding disc for adsorbing and fixing the glass, a mounting guard plate being provided at the rear upper end of the polishing machine, a pulling mechanism for controlling the upper grinding disc to gradually lift upward being provided in the mounting guard plate, and plane positioning mechanisms being provided at the left and right sides of the mounting guard plate; the utility model has a simple structure and is convenient and quick to use, the upper grinding disc is controlled to move by the pulling mechanism and the driving mechanism, so that the upper grinding disc is lifted up, and plane positioning mechanisms are also provided at both ends, the rear end face of the upper grinding disc is positionally sensed by the plane positioning mechanism, so as to ensure that the upper grinding disc can return to the origin position during the lifting process, and then the upper grinding disc is driven by the driving mechanism, so that the upper grinding disc rotates back to the origin position in the circumferential direction, so that the upper grinding disc returns to the same positioning position, so as to facilitate the subsequent adsorption manipulator to accurately take and place the glass.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing machines, in particular to an automatic origin finding mechanism for a grinding disc on a polishing machine. Background Art

[0002] With the continuous development and progress of social science and technology, glass has become the most common item in daily life. From the glass windows on buildings and windshields on cars to the screens on mobile phones, glass needs to be polished before leaving the factory. The rough surface and edges of the glass must be polished to meet the use requirements before it can be used in the factory.

[0003] The inventor has previously applied for an unpowered upper plate bearing mechanism, but during use, it was found that the unpowered upper plate bearing mechanism could not accurately return to the original position during the lifting process, resulting in a position deviation of the upper plate. As a result, when the glass was transferred by the adsorption robot, it was impossible to load or unload the material correctly, affecting the use of the equipment, resulting in reduced production efficiency, reduced output, and failure to meet production needs.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the present invention aims to solve the defects in the prior art, and its main purpose is to provide a mechanism for automatically finding the origin of a grinding disc on a polishing machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mechanism for automatically finding the origin of an upper grinding disc of a polishing machine comprises a polishing machine and a processing table located on the polishing machine for grinding glass, and an upper grinding disc for adsorbing and fixing the glass, wherein the upper grinding disc is an unpowered grinding disc, and a mounting guard plate is provided at the rear upper end of the polishing machine, a pulling-up mechanism for controlling the upper grinding disc to be gradually lifted upward is provided in the mounting guard plate, an annular roller chain is provided at the rear end of the upper grinding disc, a driving mechanism is provided on one side of the pulling-up mechanism and is fixed to the mounting guard plate, the front end of the driving mechanism gradually approaches and meshes with the annular roller chain of the upper grinding disc, thereby controlling its rotation state, and plane positioning mechanisms are provided on the left and right sides of the mounting guard plate, the pulling-up mechanism controls the upper grinding disc to be gradually lifted upward, so that the upper grinding disc is in a vertical state, and allows the driving mechanism to approach the annular roller chain to control its rotation, and then abuts against the rear end surface of the upper grinding disc through the plane positioning mechanisms located on the left and right sides, thereby achieving the plane positioning and leveling effect of the upper grinding disc.

[0008] As a preferred embodiment, the pulling mechanism includes a pulling cylinder, a pulling mounting frame and a lifting cylinder. The lifting cylinder is fixed to the inner end of the pulling mounting frame and extends a piston rod forward to connect to the rear end of the upper grinding disc, thereby controlling its up and down movement. The pulling cylinder is arranged at the rear end of the pulling mounting frame. A swing arm is also provided between the pulling cylinder and the pulling mounting frame. One end of the swing arm is connected to the pulling mounting frame, and the other end is connected to the piston rod extended by the pulling cylinder. The pulling cylinder controls the pulling mounting frame to perform a lifting and pulling action through the swing arm, thereby lifting the upper grinding disc upward or dropping it downward, and then controls the upper grinding disc to move downward closer to / upward away from the processing workbench through the lifting cylinder.

[0009] As a preference, the annular roller chain is fixedly mounted on the rear end surface of the upper grinding disc by bolts, and the annular roller chain and the upper grinding disc are concentric circles.

[0010] Preferably, the driving mechanism includes a driving mounting plate, a sprocket and a driving motor. The driving mounting plate is fixedly mounted on the outer end of the mounting guard plate, the driving motor is arranged on the driving mounting plate, the sprocket is arranged at the front end of the driving motor and is sleeved on the extended rotating shaft, the driving motor controls the movement state of the sprocket, and drives the upper grinding disc to rotate through the mutual engagement of the sprocket and the annular roller chain.

[0011] Preferably, a sliding assembly is provided between the drive motor and the drive mounting plate for controlling the drive motor to approach / move away from the circular roller chain, the sliding assembly includes a transverse moving unit, a longitudinal moving unit and a fixed plate, the transverse moving unit is provided on the drive mounting plate, the fixed plate is provided on the transverse moving unit, the longitudinal moving unit is provided on the fixed plate, and the drive motor is provided on the longitudinal moving unit.

[0012] Preferably, the lateral movement unit includes a lateral drive cylinder, a lateral guide rail and a lateral slider, the lateral guide rails are respectively arranged at the front and rear ends of the mounting plate, the lower end of the lateral slider is slidably mounted on the lateral guide rail, the upper end of the lateral slider is fixed to the fixed plate by bolts, the lateral drive cylinder is arranged on one side of the mounting plate and extends a piston rod to be connected to the fixed plate, thereby controlling its movement along the direction of the lateral guide rail.

[0013] Preferably, the longitudinal moving unit includes a longitudinal driving cylinder, a longitudinal guide rail, a longitudinal plate and a longitudinal slider, the longitudinal guide rail is arranged on the upper end surface of the fixed plate, the longitudinal slider is arranged on the lower end surface of the longitudinal plate and installed on the longitudinal guide rail, the upper end surface of the longitudinal plate is used for installation and fixation of the driving motor, the longitudinal driving cylinder is installed on the rear side end of the fixed plate, and extends a piston rod forward to be connected with the longitudinal plate, the longitudinal driving cylinder controls the longitudinal plate and the longitudinal slider to move along the extension direction of the longitudinal guide rail, and cooperates with the control movement of the transverse moving unit to make the driving motor approach / move away from the annular roller chain.

[0014] As a preferred embodiment, the plane positioning mechanism includes a fixing frame and a touch sensor. The fixing frame is installed on the outer end surfaces on the left and right sides of the mounting guard plate. The touch sensor is arranged on the fixing frame and extends forward to detect the position of the upper grinding wheel. The touch sensors located at the left and right ends touch the rear end surface of the upper grinding wheel at the same time, thereby completing the plane positioning and leveling.

[0015] As a preference, the polishing machine is also provided with a central control system, which is electrically connected to the pulling mechanism, the driving mechanism and the plane positioning mechanism respectively, controls the movement by transmitting control signals to the corresponding mechanisms, and receives the detection sensing signals sent back by the plane positioning mechanism for comparison and analysis.

[0016] Preferably, the drive motor is a right-angle reduction motor.

[0017] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0018] The utility model has a simple structure and is quick and convenient to use. The upper grinding disc is controlled to move by a pulling mechanism and a driving mechanism, so that the front end surface of the upper grinding disc is lifted up to take and place the glass, and plane positioning mechanisms are also arranged on the left and right side ends. The rear end surface of the upper grinding disc is positionally sensed by the plane positioning mechanisms on both sides, so as to ensure that the upper grinding disc can return to the same plane position during the lifting process, and then the upper grinding disc is driven by the driving mechanism to rotate the upper grinding disc back to the origin position in the circumferential direction, so that the upper grinding disc returns to the same positioned position, so that the subsequent adsorption manipulator can accurately take and place the glass, thereby ensuring the taking and placing position of the glass, improving production efficiency, and reducing the production cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is another structural schematic diagram of the utility model from another viewing angle.

[0022] Figure 3 It is a schematic diagram of the driving mechanism structure of the utility model.

[0023] Figure 4 It is a structural schematic diagram of the driving mechanism of the utility model from another viewing angle.

[0024] Among them, the reference numerals in the figure are:

[0025] 100, polishing machine; 110, processing table; 120, upper grinding disc; 130, installation guard plate; 200, pulling mechanism; 210, pulling cylinder; 220, pulling mounting frame; 230, lifting cylinder; 300, ring roller chain; 400, driving mechanism; 410, driving mounting plate; 420, sprocket; 430, driving motor; 500, plane positioning mechanism; 510, fixing frame; 520, touch sensor; 600, sliding assembly; 610, lateral moving unit; 611, lateral driving cylinder; 612, lateral guide rail; 613, lateral slider; 620, longitudinal moving unit; 630, fixing plate; 640, longitudinal plate. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Reference Figure 1-4 As shown: an automatic origin finding mechanism for the upper grinding disc of a polishing machine, comprising a polishing machine 100 and a processing table 110 located on the polishing machine 100 for grinding glass, an upper grinding disc 120 for adsorbing and fixing the glass, and the upper grinding disc 120 used is an unpowered grinding disc. After being away from the workbench, there is no force for driving the upper grinding disc 120 to rotate, a mounting guard plate 130 is provided at the rear upper end of the polishing machine 100, and a pulling mechanism 200 for controlling the upper grinding disc 120 to gradually lift upward is provided in the mounting guard plate 130, and then an annular roller chain 300 is provided at the rear end of the upper grinding disc 120, and a driving mechanism 400 is also provided next to the pulling mechanism 200 and fixed on the mounting guard plate 130, and then the front end of the driving mechanism 400 is gradually brought close to the annular roller chain 300 of the upper grinding disc 120, and the two are meshed with each other, so as to The driving mechanism 400 drives the annular roller chain 300 to rotate, thereby controlling the rotation state of the upper grinding disc 120. A plane positioning mechanism 500 is provided on the left and right sides of the mounting guard plate 130. In actual use, the upper grinding disc 120 is gradually lifted upward by the control of the pulling mechanism 200, and the upper grinding disc 120 is in a vertical state. The driving mechanism 400 is then brought close to the annular roller chain 300 to control its rotation. The plane positioning mechanisms 500 on the left and right sides are then pressed against the rear end surface of the upper grinding disc 120, thereby achieving a plane positioning and leveling effect for the upper grinding disc 120. The driving mechanism 400 then drives the annular roller chain 300 to rotate, so that the origin of the circumferential direction on the upper grinding disc 120 can return to the origin state, thereby completing the leveling and origin-finding functions of the upper grinding disc 120, and facilitating subsequent precise placement of the glass.

[0032] In this embodiment, the pulling mechanism 200 includes a pulling cylinder 210, a pulling mounting frame 220 and a lifting cylinder 230. The lifting cylinder 230 is fixed to the inner end of the pulling mounting frame 220 and extends a piston rod forward to be connected to the rear end of the upper grinding disc 120, thereby controlling the up and down movement of the upper grinding disc 120. The pulling cylinder 210 is then arranged at the rear end of the pulling mounting frame 220. A swing arm is further provided between the pulling cylinder 210 and the pulling mounting frame 220. One end of the swing arm is connected to the pulling mounting frame 220, and the other end is connected to the piston rod extended by the pulling cylinder 210. The pulling cylinder 210 can control the pulling mounting frame 220 to lift and pull up through the swing arm, thereby lifting the upper grinding disc 120 upward or dropping it downward, and then the lifting cylinder 230 is used to control the upper grinding disc 120 to move downward to approach / upward away from the processing workbench.

[0033] In this embodiment, the annular roller chain 300 is fixedly installed on the rear end face of the upper grinding disc 120 by bolts, and the annular roller chain 300 is concentric with the upper grinding disc 120, and then connected to the center of the rear end face of the upper grinding disc 120 through the piston rod extended by the lifting cylinder 230, thereby controlling the movement of the upper grinding disc 120.

[0034] In this embodiment, the driving mechanism 400 includes a driving mounting plate 410, a sprocket 420 and a driving motor 430. The driving mounting plate 410 is fixedly mounted on the outer end of the mounting guard plate 130, and the driving motor 430 is arranged on the driving mounting plate 410. The sprocket 420 is then arranged at the front end of the driving motor 430, and the sprocket 420 is mounted on the rotating shaft extended by the driving motor 430, so that the driving motor 430 controls the movement state of the sprocket 420, and drives the upper grinding disc 120 to rotate through the mutual engagement of the sprocket 420 and the annular roller chain 300.

[0035] Specifically, a sliding assembly 600 for controlling the drive motor 430 to approach / move away from the annular roller chain 300 is provided between the drive motor 430 and the drive mounting plate 410, and the sliding assembly 600 includes a transverse moving unit 610, a longitudinal moving unit 620 and a fixed plate 630. By setting the transverse moving unit 610 on the drive mounting plate 410, and then setting the fixed plate 630 on the transverse moving unit 610, and then installing the longitudinal moving unit 620 on the fixed plate 630, and finally setting the drive motor 430 on the longitudinal moving unit 620, the drive motor 430 can move forward, backward, left and right, so that the sprocket 420 can approach / move away from the annular roller chain 300.

[0036] Furthermore, the transverse moving unit 610 includes a transverse driving cylinder 611, a transverse guide rail 612 and a transverse slider 613. The transverse guide rail 612 is respectively arranged at the front and rear ends of the mounting plate, and the lower end of the transverse slider 613 is slidably installed on the transverse guide rail 612. Then, the upper end of the transverse slider 613 is fixed to the fixed plate 630 by bolts, and then the transverse driving cylinder 611 is arranged on one side of the mounting plate and a piston rod is extended to connect with the fixed plate 630, thereby controlling the transverse slider 613 to move along the direction of the transverse guide rail 612.

[0037] Furthermore, the longitudinal moving unit 620 includes a longitudinal driving cylinder, a longitudinal guide rail, a longitudinal plate 640 and a longitudinal slider. The longitudinal guide rail is arranged on the upper end surface of the fixed plate 630, and the longitudinal slider is arranged on the lower end surface of the longitudinal plate 640 and slidably installed on the longitudinal guide rail, wherein the upper end surface of the longitudinal plate 640 is used for the installation and fixation of the driving motor 430, and then the longitudinal driving cylinder is installed on the rear side end of the fixed plate 630, and the driving cylinder extends the piston rod forward to connect with the longitudinal plate 640, and the longitudinal plate 640 and the longitudinal slider are controlled by the longitudinal driving cylinder so that they can move along the extension direction of the longitudinal guide rail, and cooperate with the control movement of the lateral moving unit 610, so that the driving motor 430 and the sprocket 420 are close to / away from the annular roller chain 300.

[0038] In this embodiment, the plane positioning mechanism 500 includes a fixing frame 510 and a touch sensor 520. The fixing frame 510 is installed on the outer end surfaces on the left and right sides of the mounting guard plate 130, and then the touch sensor 520 is installed on the fixing frame 510 and extended forward. The position of the upper grinding disc 120 is detected by the sensing head at the front end, and the touch sensors 520 at the left and right ends touch the rear end surface of the upper grinding disc 120 at the same time, thereby completing the plane positioning and leveling effect.

[0039] In this embodiment, the polishing machine 100 is also provided with a central control system. By electrically connecting the central control system to the pulling mechanism 200, the driving mechanism 400 and the plane positioning mechanism 500 respectively, and controlling the movement by transmitting control signals to the corresponding mechanisms, it can also receive the detection sensing signals sent back by the plane positioning mechanism 500 for comparison and analysis, and then issue corresponding control instructions, so that the driving mechanism 400 drives the upper grinding disc 120 to rotate so that it can return to the position of the circular origin, so that the upper grinding disc 120 can not only level the plane, but also make its points in the circumferential direction return to the origin position, so that the robot can accurately and quickly remove / put on the glass.

[0040] In this embodiment, the driving motor 430 used is a right-angle reduction motor, which is mounted on the longitudinal plate 640 .

[0041] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for the purpose of explaining the principles of the present invention, and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanation here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementation methods of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.

Claims

1. An automatic origin finding mechanism for a grinding disc on a polishing machine, comprising a polishing machine, a processing table on the polishing machine for grinding glass, and an upper grinding disc for adsorbing and fixing the glass, wherein: The upper grinding disc is an unpowered grinding disc, which is characterized in that: a mounting guard plate is provided at the upper rear end of the polishing machine, and a pulling-up mechanism for controlling the upper grinding disc to gradually lift upward is provided in the mounting guard plate. A circular roller chain is provided at the rear end of the upper grinding disc, and a driving mechanism is provided on one side of the pulling-up mechanism and fixed to the mounting guard plate. The front end of the driving mechanism gradually approaches and engages with the circular roller chain of the upper grinding disc, thereby controlling its rotation state. Planar positioning mechanisms are provided on the left and right sides of the mounting guard plate. The pulling-up mechanism controls the upper grinding disc to gradually lift upward, so that the upper grinding disc is in a vertical state, and allows the driving mechanism to approach the circular roller chain to control its rotation, and then the rear end face of the upper grinding disc is abutted by the planar positioning mechanisms located on the left and right sides, thereby achieving the planar positioning and leveling effect of the upper grinding disc.

2. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 1 is characterized by: The pulling mechanism includes a pulling cylinder, a pulling mounting frame and a lifting cylinder. The lifting cylinder is fixed to the inner end of the pulling mounting frame and extends a piston rod forward to connect the rear end of the upper grinding disc, thereby controlling its up and down movement. The pulling cylinder is arranged at the rear end of the pulling mounting frame. A swing arm is also provided between the pulling cylinder and the pulling mounting frame. One end of the swing arm is connected to the pulling mounting frame, and the other end is connected to the piston rod extended by the pulling cylinder. The pulling cylinder controls the pulling mounting frame to perform a lifting and pulling action through the swing arm, thereby lifting the upper grinding disc upward or dropping it downward, and then controls the upper grinding disc to move downward closer to / upward away from the processing workbench through the lifting cylinder.

3. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 2 is characterized by: The annular roller chain is fixedly installed on the rear end surface of the upper grinding disc by bolts, and the annular roller chain and the upper grinding disc are concentric circles.

4. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 1 is characterized by: The driving mechanism includes a driving mounting plate, a sprocket and a driving motor. The driving mounting plate is fixedly mounted on the outer end of the mounting guard plate. The driving motor is arranged on the driving mounting plate. The sprocket is arranged at the front end of the driving motor and is sleeved on the extended rotating shaft. The driving motor controls the movement state of the sprocket and drives the upper grinding disc to rotate through the mutual engagement of the sprocket and the annular roller chain.

5. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 4 is characterized by: A sliding assembly is provided between the driving motor and the driving mounting plate for controlling the driving motor to approach / move away from the annular roller chain. The sliding assembly includes a transverse moving unit, a longitudinal moving unit and a fixed plate. The transverse moving unit is provided on the driving mounting plate, the fixed plate is provided on the transverse moving unit, the longitudinal moving unit is provided on the fixed plate, and the driving motor is provided on the longitudinal moving unit.

6. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 5, characterized in that: The lateral movement unit includes a lateral driving cylinder, a lateral guide rail and a lateral slider. The lateral guide rails are respectively arranged at the front and rear ends of the mounting plate. The lower end of the lateral slider is slidably mounted on the lateral guide rail. The upper end of the lateral slider is fixed to the fixed plate by bolts. The lateral driving cylinder is arranged on one side of the mounting plate and extends a piston rod to be connected to the fixed plate, thereby controlling it to move along the direction of the lateral guide rail.

7. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 6, characterized in that: The longitudinal moving unit includes a longitudinal driving cylinder, a longitudinal guide rail, a longitudinal plate and a longitudinal slider. The longitudinal guide rail is arranged on the upper end surface of the fixed plate, the longitudinal slider is arranged on the lower end surface of the longitudinal plate and installed on the longitudinal guide rail, the upper end surface of the longitudinal plate is used for installation and fixation of the driving motor, the longitudinal driving cylinder is installed on the rear side end of the fixed plate, and extends a piston rod forward to be connected with the longitudinal plate, the longitudinal driving cylinder controls the longitudinal plate and the longitudinal slider to move along the extension direction of the longitudinal guide rail, and cooperates with the control movement of the lateral moving unit to make the driving motor approach / move away from the annular roller chain.

8. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 1 is characterized by: The plane positioning mechanism includes a fixing frame and a touch sensor. The fixing frame is installed on the outer end surfaces on the left and right sides of the mounting guard plate. The touch sensor is arranged on the fixing frame and extends forward to detect the position of the upper grinding disc. The touch sensors located at the left and right ends touch the rear end surface of the upper grinding disc at the same time, thereby completing the plane positioning and leveling.

9. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 1, characterized in that: The polishing machine is also provided with a central control system, which is electrically connected to the pulling mechanism, the driving mechanism and the plane positioning mechanism respectively, controls the movement by transmitting control signals to the corresponding mechanisms, and receives the detection sensing signals sent back by the plane positioning mechanism for comparison and analysis.

10. The automatic origin finding mechanism for the upper grinding disc of the polishing machine according to claim 4, characterized in that: The driving motor is a right-angle reduction motor.

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