Grinding machine for outer surfaces of disc workpieces

Abstract

The utility model discloses a grinding machine for the outer surface of a disc type workpiece. The grinding machine comprises a distance regulation and control continuous feeding mechanism, a continuous feeding mechanism, a jacking mechanism and a grinding wheel. The interval regulation and control continuous feeding mechanism comprises a roller conveyor, a workpiece conveying and guiding assembly, a power and free assembly and a signal recognition assembly, the workpiece conveying and guiding assembly is used for sequentially guiding workpieces to be polished, and the power and free assembly is used for blocking the workpieces to be polished or enabling the workpieces to pass through according to signals of the signal recognition assembly; the continuous feeding mechanism comprises a supporting assembly, a material pushing plate, a vertical driving assembly and a horizontal driving assembly. And the jacking mechanism comprises a rotary jacking assembly and a Y-axis assembly, the rotary jacking assembly is used for jacking the to-be-polished workpiece and driving the to-be-polished workpiece to rotate, and the Y-axis assembly is used for driving the to-be-polished workpiece above the Y-axis assembly to move upwards to be matched with the rotary jacking assembly to clamp the to-be-polished workpiece and driving the polished workpiece to move downwards to be conveyed to the next link. According to the utility model, the production efficiency and the product quality are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of polisher, especially, relate to a disc type workpiece outer surface polisher. BACKGROUND

[0002] The disc type workpiece polisher is a kind of equipment specially used for the surface treatment of disc-shaped workpiece. Its main function is to remove burrs, rust, oxide layer and other impurities on the surface of workpiece by mechanical friction, and at the same time, the surface of workpiece can be polished, chamfered and other processed to achieve the required surface roughness and dimensional accuracy. Its working principle is to use polishing tool (such as grinding wheel, abrasive belt, grinding head, etc.) to contact with the surface of workpiece, and relative movement is carried out under certain pressure and speed, so as to realize the polishing effect of the surface of workpiece. According to different processing requirements, the polisher can adopt different polishing methods, such as rotary polishing, reciprocating polishing, vibration polishing, etc., to realize different processing effects.

[0003] The existing polisher still has the following problems in the running process:

[0004] 1. In the automatic feeding process, manual intervention is still needed, such as manual adjustment of workpiece and adjustment of feeding parameters, which increases the labor intensity and reduces the production efficiency;

[0005] 2. In the automatic feeding process, the workpieces are arranged disorderly, and the phenomenon of jamming or stacking is prone to occur, which affects the continuity and stability of feeding;

[0006] 3. When the feeding mechanism conveys workpieces, position deviation of workpieces may occur, which causes the workpieces to be unable to accurately align with the polishing tool when entering the polishing area, affecting the polishing quality;

[0007] 4. When the traditional polisher polishes workpieces, the workpieces are not clamped firmly, which is prone to cause uneven polishing marks due to excessive local stress of workpieces, and even safety accidents due to workpiece loosening. INVENTION CONTENTS

[0008] The utility model discloses a disc type workpiece outer surface polisher that can flexibly adjust the feeding speed of spacing control continuous feeding mechanism, realize continuous feeding through spacing control, and sequentially convey the workpieces to be polished conveyed; The continuous feeding mechanism realizes accurate pushing and stable conveying of workpieces; The jacking mechanism can firmly clamp the workpieces, ensuring uniform stress of workpieces during polishing; It can effectively improve production efficiency and product quality.

[0009] The utility model discloses a disc type workpiece outer surface polisher that can flexibly adjust the feeding speed of spacing control continuous feeding mechanism, realize continuous feeding through spacing control, and sequentially convey the workpieces to be polished conveyed; The continuous feeding mechanism realizes accurate pushing and stable conveying of workpieces; The jacking mechanism can firmly clamp the workpieces, ensuring uniform stress of workpieces during polishing; It can effectively improve production efficiency and product quality.

[0010] The spacing regulation continuous feeding mechanism comprises a roller conveyor, a workpiece conveying guide assembly, an accumulation assembly and a signal recognition assembly installed on the roller conveyor; the workpiece conveying guide assembly is close to the input end of the roller conveyor and is used for sequentially guiding the conveyed workpieces to be polished; the accumulation assembly and the signal recognition assembly are located on the outlet side of the workpiece conveying guide assembly; the accumulation assembly is used for blocking or passing the workpieces to be polished conveyed by the roller conveyor according to the signal of the signal recognition assembly; the signal recognition assembly comprises photoelectric switches one, two and three arranged in sequence along the conveying direction of the workpieces; the photoelectric switches one, two and three are both provided with two, respectively located on the left and right sides of the roller conveyor; the accumulation assembly is located between the photoelectric switches one and two; the spacing between the photoelectric switches one and two is the length of a workpiece to be polished along the conveying direction;

[0011] The continuous feeding mechanism is located between the accumulation assembly and the jacking mechanism and comprises a supporting assembly, a pushing plate, a vertical driving assembly and a horizontal driving assembly; the pushing plate is installed on the vertical driving assembly and is used for pushing the workpiece to be polished to move forward to the jacking mechanism; the vertical driving assembly is installed on the supporting assembly and is used for driving the pushing plate to move along the vertical direction; the horizontal driving assembly is installed on the grinding machine and is used for driving the supporting assembly to move along the horizontal direction;

[0012] The jacking mechanism comprises a rotating jacking assembly and a Y-axis assembly; the rotating jacking assembly is used for jacking and rotating the workpiece to be polished conveyed to the Y-axis assembly; the Y-axis assembly is used for driving the workpiece to be polished falling thereon to move upward to cooperate with the rotating jacking assembly to clamp the workpiece to be polished and drive the workpiece after polishing to move downward to be conveyed to the next link;

[0013] The grinding wheel is located on the side of the Y-axis assembly and is used for polishing the workpiece to be polished on the Y-axis assembly.

[0014] In the above technical solution, preferably, the workpiece conveying guide assembly comprises guide plates, guide mounting columns, guide seats, guide guide rods and guide guide rod mounting seats; two guide plates are located above the roller cylinders of the roller conveyor and are respectively located on the two sides of the conveyed workpieces to be polished; the guide plates on the same side are supported by at least one guide mounting column; the guide mounting columns on the same side are installed on the corresponding guide seats; the guide seats on the two sides are connected by at least one guide guide rod; the guide seat is provided with a threaded hole at the connection between the guide guide rod and the guide seat; a butterfly bolt is screwed in the threaded hole; the butterfly bolt can jacking the guide guide rod; the two ends of each guide guide rod are installed on the roller conveyor through the guide guide rod mounting seat.

[0015] In the above technical solution, preferably, the accumulation assembly comprises an accumulation support, an accumulation cylinder, a cylinder connecting rod, accumulation arms and accumulation connecting rods, the accumulation support is installed on the roller conveyor, the accumulation cylinder is installed on the accumulation support, the telescopic rod end of the accumulation cylinder is connected with one end of the cylinder connecting rod, the other end of the cylinder connecting rod is hingedly connected with one end of the two accumulation connecting rods, the other end of the two accumulation connecting rods is hingedly connected with the middle part of one accumulation arm, the two accumulation arms are located on the left and right sides of the accumulation cylinder, one end of the two accumulation arms is hingedly connected with the accumulation support, and the accumulation cylinder is telescopic to drive the two accumulation arms to fold or open.

[0016] In the above technical solution, preferably, the signal recognition assembly further comprises a signal installation guide rail, the signal installation guide rail is installed on the roller conveyor through a signal plate, and the photoelectric switch one, the photoelectric switch two and the photoelectric switch three are adjustably installed on the signal installation guide rail through a photoelectric switch installation assembly; the photoelectric switch installation assembly comprises a photoelectric switch shield and a nut plate, each photoelectric switch is installed in the photoelectric switch shield, the nut plate is located in the signal installation guide rail, and the photoelectric switch shield is connected with the nut plate through bolts.

[0017] In the above technical solution, preferably, the pushing plate is provided with a stop portion on both sides close to the end of the workpiece to be ground.

[0018] In the above technical solution, preferably, the vertical driving assembly comprises a vertical cylinder, vertical guide rods and a vertical guide rod fixing plate, one end of the vertical cylinder is installed on the vertical guide rod fixing plate, and the other end is installed on the support assembly; the two vertical guide rods are installed on the support assembly through slide block linear bearings and are located on the left and right sides of the vertical cylinder respectively, and the bottom ends of the two vertical guide rods are installed on the vertical guide rod fixing plate; the pushing plate is installed on the vertical guide rod fixing plate.

[0019] In the above technical solution, preferably, the horizontal driving assembly comprises a horizontal cylinder and horizontal guide rods, the cylinder body of the horizontal cylinder is installed on the grinding machine, the telescopic end of the horizontal cylinder is connected with the support assembly, the two horizontal guide rods are installed on the support assembly through slide block linear bearings and are located on the left and right sides of the horizontal cylinder respectively, and the two ends of the two horizontal guide rods are locked and fixed through the horizontal guide rod fixing plate fixed on the grinding machine and the guide rod locking block.

[0020] In the above technical solution, more preferably, the guide rod locking block is butted with the horizontal guide rod fixing plate, a threaded hole is arranged on the outer side surface of the guide rod locking block, a threaded counterbore is arranged on the outer side surface of the horizontal guide rod fixing plate, and the guide rod locking block and the horizontal guide rod fixing plate are connected through bolts to lock and fix the horizontal guide rod.

[0021] In the above technical scheme, preferably, the rotating clamping assembly comprises a servo motor, a cast rotating clamping shaft and a portal frame, the servo motor is installed on the portal frame, the cast rotating clamping shaft comprises a supporting cylinder, a rotating clamping shaft and a clamping tip, the supporting cylinder is installed on the portal frame, one end of the rotating clamping shaft is connected with the servo motor, the other end of the rotating clamping shaft passes through the supporting cylinder and is connected with the clamping tip, a supporting bearing is arranged between the rotating clamping shaft and the supporting cylinder, and the servo motor drives the rotating clamping shaft to rotate.

[0022] In the above technical scheme, preferably, the Y-axis assembly comprises a Y-axis base and a lifting jig, the Y-axis base comprises a Y-axis cylinder, an up-down moving plate and a material lifting driven shaft, the up-down moving plate is fixedly connected with the extension end of the Y-axis cylinder, the material lifting driven shaft is installed on the up-down moving plate, the lifting jig is installed on the material lifting driven shaft, and the Y-axis cylinder drives the lifting jig to move up and down.

[0023] The utility model has the advantages and positive effects that:

[0024] 1、The utility model discloses a workpiece conveying and guiding assembly is provided, which can accurately guide the workpiece during conveying and ensure that the workpiece remains on the predetermined path during conveying, thereby avoiding deviation of the workpiece from the track and occurrence of material jamming during conveying, enabling the workpiece to move smoothly, improving the position accuracy of the workpiece when entering the polishing area, realizing continuous conveying of the workpiece, reducing equipment downtime caused by inaccurate position of the workpiece or unstable conveying, and thus improving production efficiency.

[0025] 2、The utility model discloses a workpiece conveying and guiding assembly, which comprises an accumulation assembly, a signal recognition assembly and a continuous feeding mechanism arranged between the workpiece conveying and guiding assembly and the clamping mechanism, and the accumulation assembly can be controlled to close or open according to the signals sent by the corresponding position photoelectric switch in the signal recognition assembly, so as to block or pass the workpiece to be polished, the feeding speed can be controlled by adjusting the distance, and continuous feeding is realized; and the continuous feeding mechanism can be controlled according to the working state of the polishing station.

[0026] 3、The utility model discloses a workpiece conveying and guiding assembly, which comprises an accumulation assembly, a signal recognition assembly and a continuous feeding mechanism arranged between the workpiece conveying and guiding assembly and the clamping mechanism, and the accumulation assembly can be controlled to close or open according to the signals sent by the corresponding position photoelectric switch in the signal recognition assembly, so as to block or pass the workpiece to be polished, the feeding speed can be controlled by adjusting the distance, and continuous feeding is realized; and the continuous feeding mechanism can be controlled according to the working state of the polishing station.

[0027] 4. The utility model discloses a tight mechanism is combined through the rotation of tight spare and Y axle spare, can firmly hold work piece, make work piece more stable in the polishing process, reduced the security accident risk of the work piece clamping not firm loose, improved the security of equipment. Simultaneously ensure that work piece is evenly stressed in the polishing process, avoid the polishing trace uneven of the work piece local force too big.

[0028] 5. The utility model discloses a work piece in polishing can be arranged in order in sequence and is conveyed, avoided the production interruption of the traditional feeding mode because of manual operation or work piece arrangement not neat, can according to the working condition of polisher flexible adjustment feeding speed, realize the uninterrupted conveying of work piece, reduced the intervention of operating personnel in the equipment operation process, make polisher can continue to work, can improve polishing precision, efficiency and quality significantly, strengthen the flexibility and reliability of equipment, improve security, reduce maintenance cost. The utility model improves production efficiency and polishing quality significantly, reduces labor intensity and artificial cost and the security accident risk of human operation improper, improves the reliability and service life of equipment, optimizes production flow. BRIEF DESCRIPTION OF DRAWINGS

[0029] The technical solutions of the embodiments of the present application will be further described in detail below in combination with the drawings, but it should be known that these drawings are only designed for the purpose of explanation, and therefore, not as the limitation of the scope of the present application. In addition, unless specifically pointed out, these drawings are only intended to conceptually illustrate the structural configuration described herein, and not necessarily drawn to scale.

[0030] Figure 1 It is the perspective of the disc type work piece outer surface polisher of the embodiment provided by the utility model Figure 1 ;

[0031] Figure 2 It is the perspective of the disc type work piece outer surface polisher of the embodiment provided by the utility model Figure 2 (not including grinding wheel);

[0032] Figure 3 It is the perspective of the spacing control continuous feeding mechanism of the embodiment provided by the utility model Figure 1 ;

[0033] Figure 4 It is the perspective of the spacing control continuous feeding mechanism of the embodiment provided by the utility model Figure 2 ;

[0034] Figure 5 It is the perspective of the spacing control continuous feeding mechanism of the embodiment provided by the utility model Figure 3 ;

[0035] Figure 6is the overhead view of the spacing regulation continuous feeding mechanism provided by the embodiment of the utility model;

[0036] Figure 7 is the side view of the spacing regulation continuous feeding mechanism provided by the embodiment of the utility model;

[0037] Figure 8 is the perspective view of the continuous feeding mechanism provided by the embodiment of the utility model Figure 1 ;

[0038] Figure 9 is the perspective view of the continuous feeding mechanism provided by the embodiment of the utility model Figure 2 ;

[0039] Figure 10 is the perspective view of the continuous feeding mechanism provided by the embodiment of the utility model Figure 3 (shows the internal slider linear bearing).

[0040] Figure 11 is the perspective view of the jacking mechanism provided by the embodiment of the utility model;

[0041] Figure 12 is the front view of the jacking mechanism provided by the embodiment of the utility model;

[0042] Figure 13 is the A-A sectional view of Figure 12 ;

[0043] Figure 14 is the front view of the Y-axis assembly provided by the embodiment of the utility model;

[0044] Figure 15 is the B-B sectional view of Figure 14 .

[0045] In the figure,

[0046] 10, roller conveyor; 101, conveyor frame body; 102, conveyor longitudinal beam; 103, double-chain adjustable accumulation roller; 104, roller driving motor;

[0047] 20, workpiece conveying guide assembly; 201, guide plate; 202, guide mounting column; 203, guide seat; 204, guide guide rod; 205, guide guide rod mounting seat; 206, butterfly bolt;

[0048] 30, accumulation assembly; 301, accumulation support; 302, accumulation cylinder; 303, cylinder connecting rod; 304, accumulation arm; 305, accumulation connecting rod;

[0049] 40, signal recognition assembly; 401, photoelectric switch one; 402, photoelectric switch two; 403, photoelectric switch three; 404, signal mounting guide rail; 405, signal plate; 406, photoelectric switch shield; 407, nut plate;

[0050] 50, workpiece to be polished;

[0051] 60, support assembly;

[0052] 70, pushing plate; 701, stop portion;

[0053] 80, vertical driving assembly; 801, vertical cylinder; 802, vertical guide rod; 803, vertical guide rod fixing plate;

[0054] 90, horizontal driving assembly; 901, horizontal cylinder; 902, horizontal guide rod; 903, horizontal guide rod fixing plate; 904, guide rod locking block; 904-1, threaded through hole.

[0055] 100, rotating top tightening assembly; 1001, servo motor; 1002, support cylinder; 1003, rotating top pin shaft; 1004, top pin; 1005, gantry;

[0056] 110, Y-axis assembly; 1101, Y-axis cylinder; 1102, up-and-down moving plate; 1103, top lifting driven shaft; 1104, top lifting jig; 1105, Y-axis guide rail; 1106, sliding block; 1107, Y-axis base shield;

[0057] 120, grinding wheel. DETAILED DESCRIPTION

[0058] In order to further understand the inventive content, characteristics and effects of the present application, the following embodiments are exemplified and described in detail as follows in conjunction with the drawings.

[0059] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0060] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0061] Please refer to Figures 1-15 The utility model discloses an embodiment provides a disc type workpiece outer surface grinding machine, including spacing control continuous feeding mechanism, continuous feeding mechanism, jacking mechanism and grinding wheel.

[0062] Spacing control continuous feeding mechanism includes roller conveyor 10, workpiece conveying guide assembly 20, accumulation assembly 30 and signal identification assembly 40 installed on roller conveyor 10;Workpiece conveying guide assembly 20 is close to the input end of roller conveyor 10, for sequentially guiding the workpiece to be polished conveyed;Accumulation assembly 30 and signal identification assembly 40 are located at the outlet side of workpiece conveying guide assembly 20, accumulation assembly 30 is used to block or make the workpiece to be polished 50 conveyed by roller conveyor 10 according to the signal of signal identification assembly 40;Signal identification assembly 40 includes photoelectric switch one 401, photoelectric switch two 402 and photoelectric switch three 403 arranged in turn along the workpiece conveying direction, photoelectric switch one 401, photoelectric switch two 402 and photoelectric switch three 403 are all provided with two, respectively located at the left and right sides of roller conveyor 10, accumulation assembly 30 is located between photoelectric switch one 401 and photoelectric switch two 402, and the spacing of photoelectric switch one 401 and photoelectric switch two 402 is the length of a workpiece to be polished 50 along the conveying direction.

[0063] Continuous feeding mechanism is located between accumulation assembly 30 and jacking mechanism, including support assembly 60, push plate 70, vertical drive assembly 80 and horizontal drive assembly 90, push plate 70 is installed on vertical drive assembly 80, and push plate 70 is used to push the workpiece to be polished 50 to move forward to jacking mechanism, vertical drive assembly 80 is installed on support assembly 60, and vertical drive assembly 80 is used to drive push plate 70 to move along the vertical direction, horizontal drive assembly 90 is installed on the grinding machine, and horizontal drive assembly 90 is used to drive support assembly 60 to move along the horizontal direction;

[0064] The top-tightening mechanism comprises a rotating top-tightening assembly 100 and a Y-axis assembly 110, the rotating top-tightening assembly 100 is used to top-tighten and drive the workpiece 50 to be polished on the Y-axis assembly 110 to rotate, and the Y-axis assembly 110 is used to drive the workpiece 50 to be polished falling thereon to move upward to cooperate with the rotating top-tightening assembly 100 to clamp the workpiece 50 to be polished and drive the workpiece after polishing to move downward to be delivered to the next link.

[0065] The grinding wheel 120 is located on one side of the Y-axis assembly 110 and is used to polish the workpiece 50 to be polished on the Y-axis assembly 110.

[0066] As a preferred embodiment, the workpiece conveying and guiding assembly 20 comprises guiding plates 201, guiding mounting columns 202, guiding seats 203, guiding guide rods 204 and guiding guide rod mounting seats 205, two guiding plates 201 are located above the roller cylinders of the roller conveyor 10 and are respectively located on both sides of the workpiece 50 to be polished in conveying, the guiding plate 201 on each side is supported by at least one guiding mounting column 202, and the guiding mounting columns 202 on the same side are mounted on the corresponding guiding seat 203; the guiding seats 203 on both sides are connected by at least one guiding guide rod 204, the guiding seat 203 is provided with a threaded hole at the connection between the guiding guide rod 204 and the guiding seat 203, a butterfly bolt 206 is screwed in the threaded hole, and the butterfly bolt 206 can top-tighten the guiding guide rod 204; both ends of each guiding guide rod 204 are mounted on the roller conveyor 10 through the guiding guide rod mounting seat 205.

[0067] The guiding plates 201 are located above the roller cylinders and can limit the workpiece 50 to be polished on both sides, ensure the workpiece to be conveyed along a predetermined track, avoid the workpiece from deviating or shaking during conveying, and thus improve the position accuracy of the workpiece 50 to be polished when entering the polishing area. By adjusting the guiding mounting columns 202 and the guiding seats 203, the distance between the guiding plates 201 can be flexibly adjusted to adapt to workpieces of different sizes, improve the versatility and flexibility of the equipment, improve the accuracy and stability of workpiece conveying, and enhance the adaptability and service life of the equipment. Under the guidance of the workpiece conveying and guiding assembly 20, the workpiece smoothly reaches the working area of the polishing machine for subsequent polishing treatment.

[0068] The design of the butterfly bolt 206 enables an operator to easily tighten or loosen the bolt manually without the aid of tools, facilitates the adjustment of the guiding mounting columns 202 and the guiding seats 203, and can flexibly adapt to guiding guide rods 204 of different sizes and shapes, thereby improving the versatility and adaptability of the workpiece conveying and guiding assembly 20; adjusting the butterfly bolt 206 can accurately top-tighten or loosen the guiding guide rod 204, further ensure the stability between the guiding guide rod 204 and the guiding seat 203, greatly improve the installation and adjustment efficiency, and significantly reduce the time cost of installation and maintenance.

[0069] As a preferred embodiment, the accumulation assembly 30 includes an accumulation bracket 301, an accumulation cylinder 302, a cylinder connecting rod 303, accumulation arms 304, and accumulation connecting rods 305. The accumulation bracket 301 is mounted on the roller conveyor 10, the accumulation cylinder 302 is mounted on the accumulation bracket 301, the telescopic rod end of the accumulation cylinder 302 is connected to one end of the cylinder connecting rod 303, the other end of the cylinder connecting rod 303 is hingedly connected to one end of the two accumulation connecting rods 305, respectively, and the other end of the two accumulation connecting rods 305 is hingedly connected to the middle part of one accumulation arm 304, respectively. The two accumulation arms 304 are located on the left and right sides of the accumulation cylinder 302, one end of the two accumulation arms 304 is hingedly connected to the accumulation bracket 301, respectively, and the accumulation cylinder 302 drives the two accumulation arms 304 to fold or open by telescoping.

[0070] By telescoping of the accumulation cylinder 302, the folding or opening of the two accumulation arms 304 can be flexibly controlled. When the telescopic rod of the cylinder is retracted, the two accumulation arms 304 are folded to block the workpiece from continuing to advance. When the telescopic rod of the cylinder is extended, the two accumulation arms 304 are opened, and the workpiece can continue to be conveyed. The accumulation assembly 30 can flexibly adjust the conveying and accumulation of the workpiece according to production needs, making the production process more smooth, reducing the production bottleneck caused by workpiece accumulation or waiting, and improving the efficiency of the entire production line.

[0071] As a preferred embodiment, the signal recognition assembly 40 further includes a signal mounting guide rail 404 mounted on the roller conveyor 10 through a signal plate 405, ensuring the stability of the installation of the photoelectric switch. The photoelectric switch one 401, the photoelectric switch two 402, and the photoelectric switch three 403 are respectively mounted on the signal mounting guide rail 404 through a photoelectric switch mounting assembly, which can flexibly adjust the position and angle of the photoelectric switch according to the actual production needs and the size and shape of the workpiece to ensure the best signal detection effect. The photoelectric switch mounting assembly includes a photoelectric switch shield 406 and a nut plate 407. Each photoelectric switch is mounted in the photoelectric switch shield 406, the nut plate 407 is located in the signal mounting guide rail 404, and the photoelectric switch shield 406 is connected with the nut plate 407 through bolts. The photoelectric switch shield 406 can effectively protect the photoelectric switch from interference from dust, oil stains, moisture, and other external environmental factors, prolonging the service life of the photoelectric switch. Through the connection mode of the nut plate 407 and the bolts, the position of the photoelectric switch can be flexibly adjusted to adapt to different installation needs and workpiece sizes, improving the accuracy and reliability of signal detection.

[0072] As a preferred embodiment, the roller conveyor 10 comprises a conveyor frame body 101, conveyor longitudinal beams 102, double-chain adjustable accumulation roller cylinders 103, and roller cylinder driving motors 104. The conveyor longitudinal beams 102 are arranged on both sides of the conveyor frame body 101, the double-chain adjustable accumulation roller cylinders 103 are located between the conveyor longitudinal beams 102, and the roller cylinder driving motors 104 are connected with the double-chain adjustable accumulation roller cylinders 103 to drive the double-chain adjustable accumulation roller cylinders 103 to rotate. The high-efficiency and flexible workpiece conveying and accumulation functions are realized. This design not only improves the conveying efficiency and equipment stability, but also optimizes the production process, improves the service life and maintenance convenience of the equipment, and effectively improves the production efficiency and product quality.

[0073] As a preferred embodiment, the pushing plate 70 is provided with a stop portion 701 on both sides close to the end of the workpiece 50 to be polished. The stop portion 701 can effectively prevent the workpiece 50 to be polished from deviating laterally during the pushing process, so that the workpiece can remain stable during the conveying process, and ensure that the workpiece can accurately reach the predetermined position, thereby improving the polishing precision.

[0074] As a preferred embodiment, the vertical driving assembly 80 comprises a vertical cylinder 801, vertical guide rods 802, and a vertical guide rod fixing plate 803. One end of the vertical cylinder 801 is mounted on the vertical guide rod fixing plate 803, and the other end is mounted on the support assembly 60. The extension and retraction of the vertical cylinder 801 drives the pushing plate 70 to move in the vertical direction. Two vertical guide rods 802 are respectively installed on the support assembly 60 through linear slide bearings and are respectively located on both sides of the vertical cylinder 801. The bottom ends of the two vertical guide rods 802 are mounted on the vertical guide rod fixing plate 803 to ensure the stable movement of the pushing plate 70 in the vertical direction. The pushing plate 70 is mounted on the vertical guide rod fixing plate 803 to push the workpiece 50 to be polished to move forward. The design of the vertical driving assembly 80 ensures the stable movement of the pushing plate 70 in the vertical direction, avoiding the position deviation of the workpiece 50 to be polished caused by the shaking or instability of the pushing plate 70.

[0075] Specifically, the vertical cylinder 801 is a thin cylinder. The cylinder body of the vertical cylinder 801 is mounted on the vertical guide rod fixing plate 803. The extension rod of the vertical cylinder 801 is connected with an adjusting rod. The adjusting rod is connected and fixed with the support assembly 60 through two upper and lower nuts. Adjusting the two upper and lower nuts can adjust the position of the vertical guide rod fixing plate 803 to descend.

[0076] As a preferred embodiment, the horizontal driving assembly 90 comprises a horizontal cylinder 901 and a horizontal guide rod 902, the cylinder body of the horizontal cylinder 901 is mounted on the grinding machine, the telescopic end of the horizontal cylinder 901 is connected with the support assembly 60, and the telescopic action of the horizontal cylinder 901 drives the support assembly 60 to move in the horizontal direction; the two horizontal guide rods 902 are respectively installed on the support assembly 60 through linear slide bearings and are respectively located on the two sides of the horizontal cylinder 901, thereby reducing the friction and wear during movement, improving the stability and precision of horizontal movement; the two ends of the two horizontal guide rods 902 are locked and fixed through the horizontal guide rod fixing plates 903 and the guide rod locking blocks 904 fixed on the grinding machine, so as to ensure the stability and reliability of the horizontal guide rods 902, thereby ensuring the stable movement of the support assembly 60 in the horizontal direction, and facilitating installation, disassembly and maintenance. The horizontal driving assembly 90 can drive the support assembly 60 to move in the horizontal direction, so as to ensure that the workpiece 50 to be polished can be smoothly moved from one position to another position.

[0077] Specifically, the cylinder body of the horizontal cylinder 901 is mounted on the front horizontal guide rod fixing plate 903, and the two horizontal guide rod fixing plates 903 are respectively mounted on the accumulation support 301 of the accumulation assembly 30 and the gantry of the rotary clamping assembly 100.

[0078] The precise control of the vertical driving assembly 80 and the horizontal driving assembly 90 can ensure the position accuracy of the workpiece 50 to be polished when entering the polishing area, reduce the polishing quality fluctuation caused by the inaccurate position of the workpiece 50 to be polished, ensure the consistent polishing effect of each workpiece 50 to be polished, and improve the overall quality of the product.

[0079] Specifically, the periphery of the linear slide bearing at the vertical guide rod 802 and the horizontal guide rod 902 is provided with a linear bearing shield, and the support assembly 60 above the vertical guide rod 802 is provided with a guide rod shield matched with the vertical guide rod 802, which can effectively prevent dust, oil stains, moisture and other external environmental factors from entering the linear slide bearing, reduce the wear and failure caused by impurities, improve the reliability of the equipment, improve the movement precision, improve the safety of the equipment, and prolong the service life of the bearing.

[0080] As a preferred embodiment, the guide rod locking block 904 is connected with the horizontal guide rod fixing plate 903, a threaded hole 904-1 is arranged on the outer side of the guide rod locking block 904, a threaded hole is arranged on the outer side of the horizontal guide rod fixing plate 903, and a bolt is used to connect the guide rod locking block 904 and the horizontal guide rod fixing plate 903, so as to lock and fix the horizontal guide rod 902. By connecting the guide rod locking block 904 and the horizontal guide rod fixing plate 903 through the bolt, it can be ensured that the horizontal guide rod 902 remains stable during the operation of the equipment and will not be loosened or displaced due to external force. The bolt connection method is simple and fast, and the operator can quickly complete the installation of the horizontal guide rod 902, reducing the assembly time and cost of the equipment.

[0081] As a preferred embodiment, the rotating clamping assembly 100 includes a servo motor 1001, a cast rotating clamping shaft, and a gantry 1005. The servo motor 1001 is installed on the gantry 1005. The cast rotating clamping shaft includes a support cylinder 1002, a rotating clamping shaft 1003, and a clamping tip 1004. The support cylinder 1002 is installed on the gantry 1005. One end of the rotating clamping shaft 1003 is connected with the servo motor 1001, and the other end passes through the support cylinder 1002 and is connected with the clamping tip 1004. A support bearing is arranged between the rotating clamping shaft 1003 and the support cylinder 1002. The servo motor 1001 drives the rotating clamping shaft 1003 to rotate.

[0082] The rotating clamping assembly 100 cooperates with the Y-axis assembly 110 to firmly clamp the workpiece and rotate it when needed, so that each part of the workpiece can uniformly receive polishing. This design can ensure that the workpiece remains stable during polishing, reducing the problem of uneven polishing caused by workpiece shaking, thereby improving polishing accuracy.

[0083] As a preferred embodiment, the Y-axis assembly 110 includes a Y-axis base and a lifting jig 1104. The Y-axis base includes a Y-axis cylinder 1101, an up-down moving plate 1102, and a lifting passive shaft 1103. The extension end of the Y-axis cylinder 1101 is fixedly connected with the up-down moving plate 1102. The lifting passive shaft 1103 is installed on the up-down moving plate 1102. The lifting jig 1104 is installed on the lifting passive shaft 1103. The Y-axis cylinder 1101 drives the lifting jig 1104 to move up and down.

[0084] The Y-axis assembly 110 can realize the movement of the grinding wheel 120 in the vertical direction, so that the grinding wheel 120 can accurately align each part of the workpiece. By accurately controlling the movement of the Y-axis assembly 110, the height of the workpiece and the polishing requirements can be adjusted, complex polishing paths can be realized, and the polishing requirements of different workpieces can be met, further improving the polishing accuracy.

[0085] In the technical scheme, further preferably, the Y-axis base further comprises a vertically arranged Y-axis guide rail 1105 and a sliding block 1106 matched with the Y-axis guide rail 1105, the Y-axis guide rail 1105 is installed on a Y-axis base cover 1107, and the up-down moving plate 1102 is installed on the sliding block 1106.

[0086] The combination of the rotating clamping assembly 100 and the Y-axis assembly 110 makes the structure of the grinding machine more stable, reduces equipment failure caused by unstable movement of the workpiece clamping or the grinding wheel 120, and improves the operation reliability of the equipment. Multi-axis linkage can be realized, that is, the workpiece can rotate on one side, and the grinding wheel 120 can move in the Y-axis direction on the other side. The multi-axis linkage design greatly improves the grinding efficiency, reduces the grinding time, and improves the production efficiency.

[0087] The specific working process of the utility model is as follows:

[0088] When the workpiece to be polished 50 enters above the roller of the roller conveyor 10, the workpiece to be polished 50 is limited in the middle conveying channel by the guide plates 201 on both sides through the workpiece conveying guide assembly 20 and is sequentially conveyed in order; the initial accumulation assembly 30 is closed, when the photoelectric switch one 401 detects that there is the workpiece to be polished 50 at the corresponding position, the photoelectric switch two 402 and the photoelectric switch three 403 detect that there is no workpiece to be polished 50 at the corresponding position, the accumulation assembly 30 is opened, and the workpiece to be polished 50 continues to be conveyed forward; when the photoelectric switch two 402 detects that the workpiece to be polished 50 passes through the corresponding position, the accumulation assembly 30 is closed; when the photoelectric switch three 403 detects that the workpiece to be polished 50 is at the corresponding position, the continuous feeding mechanism waits when the polishing station rotates; when the photoelectric switch three 403 detects that the workpiece to be polished 50 is at the corresponding position, the continuous feeding mechanism acts to push the workpiece to be polished 50 to the polishing station. When feeding, the extension rod of the vertical air cylinder 801 extends, drives the pushing plate 70 to move downward to the rear of the workpiece to be polished 50, then the extension rod of the horizontal air cylinder 901 retracts, drives the whole vertical driving assembly 80 and the pushing plate 70 to move forward, and then pushes the workpiece to be polished 50 to move forward; after the workpiece to be polished 50 is pushed to the polishing station, the extension rod of the horizontal air cylinder 901 extends, drives the whole vertical driving assembly 80 and the pushing plate 70 to move backward, the extension rod of the vertical air cylinder 801 retracts, drives the pushing plate 70 to move upward, and returns to the initial position, completing one feeding.

[0089] The Y-axis cylinder 1101 drives the workpiece to be polished 50 on the jigs 1104 to move upward, cooperates with the rotating clamping assembly 100, clamps the workpiece to be polished 50, the rotating clamping assembly 100 starts, the grinding wheel 120 accurately aims at the workpiece to be polished 50 to start polishing the workpiece, after polishing is completed, the Y-axis cylinder 1101 drives the polished workpiece to descend, and the workpiece enters the next procedure.

[0090] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments are within the scope of the technical scheme of the present application.

Claims

1. A grinding machine for the outer surface of disc-shaped workpieces, characterized in that, The continuous feeding mechanism comprises a spacing regulation continuous feeding mechanism, a continuous feeding mechanism, a pressing mechanism and a grinding wheel. The spacing regulation continuous feeding mechanism comprises a roller conveyor, a workpiece conveying guide assembly, an accumulation assembly and a signal recognition assembly installed on the roller conveyor; the workpiece conveying guide assembly is close to the input end of the roller conveyor and is used for sequentially guiding the conveyed workpieces to be polished; the accumulation assembly and the signal recognition assembly are located on the outlet side of the workpiece conveying guide assembly; the accumulation assembly is used for blocking or passing the workpieces to be polished conveyed by the roller conveyor according to the signal of the signal recognition assembly; the signal recognition assembly comprises photoelectric switches one, two and three arranged in sequence along the conveying direction of the workpieces; the photoelectric switches one, two and three are provided in two sets and are located on the left and right sides of the roller conveyor; the accumulation assembly is located between the photoelectric switches one and two; the distance between the photoelectric switches one and two is the length of a workpiece to be polished along the conveying direction. The continuous feeding mechanism is located between the accumulation assembly and the pressing mechanism and comprises a supporting assembly, a pushing plate, a vertical driving assembly and a horizontal driving assembly; the pushing plate is installed on the vertical driving assembly and is used for pushing the workpieces to be polished to move forward to the pressing mechanism; the vertical driving assembly is installed on the supporting assembly and is used for driving the pushing plate to move in the vertical direction; the horizontal driving assembly is installed on the grinding machine and is used for driving the supporting assembly to move in the horizontal direction. The pressing mechanism comprises a rotating pressing assembly and a Y-axis assembly; the rotating pressing assembly is used for pressing and rotating the workpieces to be polished conveyed to the Y-axis assembly; the Y-axis assembly is used for driving the workpieces to be polished falling thereon to move upward and cooperate with the rotating pressing assembly to clamp the workpieces to be polished and drive the workpieces polished to move downward and be conveyed to the next link. The grinding wheel is located on one side of the Y-axis assembly and is used for polishing the workpieces to be polished on the Y-axis assembly.

2. The disc-like workpiece outer surface polishing machine according to claim 1, wherein, The workpiece conveying guide assembly comprises guide plates, guide mounting columns, guide seats, guide rods and guide rod mounting seats; two guide plates are located above the roller cylinders of the roller conveyor and are respectively located on the two sides of the conveyed workpieces to be polished; each side of the guide plates is supported by at least one guide mounting column; the guide mounting columns on the same side are installed on the corresponding guide seats; the guide seats on the two sides are connected by at least one guide rod; the guide seats are provided with threaded holes at the connection positions of the guide rods and the guide seats; butterfly bolts are screwed in the threaded holes; the butterfly bolts can press the guide rods; the two ends of each guide rod are installed on the roller conveyor by the guide rod mounting seats.

3. The disc-like workpiece outer surface polishing machine according to claim 1, wherein, The accumulation assembly comprises an accumulation support, an accumulation cylinder, a cylinder connecting rod, accumulation arms and accumulation connecting rods; the accumulation support is installed on the roller conveyor; the accumulation cylinder is installed on the accumulation support; the telescopic rod end of the accumulation cylinder is connected with one end of the cylinder connecting rod; the other end of the cylinder connecting rod is hingedly connected with one end of the two accumulation connecting rods; the other ends of the two accumulation connecting rods are hingedly connected with the middle parts of the two accumulation arms; the two accumulation arms are located on the left and right sides of the accumulation cylinder; one end of each accumulation arm is hingedly connected with the accumulation support; the accumulation cylinder is telescopic to drive the two accumulation arms to close or open.

4. The disc-like workpiece outer surface polishing machine according to claim 1, wherein, The signal recognition assembly further comprises a signal mounting guide rail, which is mounted on the roller conveyor through a signal plate, and the photoelectric switch one, the photoelectric switch two and the photoelectric switch three are respectively mounted on the signal mounting guide rail through an adjustable photoelectric switch mounting assembly; the photoelectric switch mounting assembly comprises a photoelectric switch shield and a nut plate, each photoelectric switch is mounted in the photoelectric switch shield, the nut plate is located in the signal mounting guide rail, and the photoelectric switch shield is connected with the nut plate through bolts.

5. The disc-like workpiece outer surface polishing machine, as recited in claim 1, wherein, The pushing plate is provided with a stop portion on both sides close to the end of the workpiece to be polished.

6. The disc-like workpiece outer surface polishing machine, as recited in claim 1, wherein, The vertical driving assembly comprises a vertical cylinder, vertical guide rods and a vertical guide rod fixing plate, one end of the vertical cylinder is mounted on the vertical guide rod fixing plate, and the other end is mounted on the supporting assembly; two vertical guide rods are respectively mounted on the supporting assembly through slide block linear bearings and are respectively located on both sides of the vertical cylinder, and bottom ends of the two vertical guide rods are mounted on the vertical guide rod fixing plate; the pushing plate is mounted on the vertical guide rod fixing plate.

7. The disc-like workpiece outer surface polishing machine, as recited in claim 1, wherein, The horizontal driving assembly comprises a horizontal cylinder and horizontal guide rods, a cylinder body of the horizontal cylinder is mounted on the polishing machine, a telescopic end of the horizontal cylinder is connected with the supporting assembly, two horizontal guide rods are respectively mounted on the supporting assembly through slide block linear bearings and are respectively located on both sides of the horizontal cylinder, and both ends of the two horizontal guide rods are locked and fixed through a horizontal guide rod fixing plate and a guide rod locking block fixed on the polishing machine.

8. The disc-like workpiece outer surface polishing machine according to claim 7, wherein, The guide rod locking block is connected with the horizontal guide rod fixing plate, a threaded hole is arranged on an outer side surface of the guide rod locking block, a threaded counterbore is arranged on an outer side surface of the horizontal guide rod fixing plate, and a bolt is connected with the horizontal guide rod fixing plate through the guide rod locking block, so that the horizontal guide rod is locked and fixed.

9. The disc-like workpiece outer surface polishing machine, as recited in claim 1, wherein, The rotating tightening assembly comprises a servo motor, a cast rotating tightening shaft and a portal frame, the servo motor is mounted on the portal frame, the cast rotating tightening shaft comprises a supporting cylinder, a rotating top shaft and a top, the supporting cylinder is mounted on the portal frame, one end of the rotating top shaft is connected with the servo motor, the other end penetrates through the supporting cylinder and is connected with the top, a supporting bearing is arranged between the rotating top shaft and the supporting cylinder, and the servo motor drives the rotating top shaft to rotate.

10. The disc-like workpiece outer surface polishing machine, as recited in claim 1, wherein, The Y-axis assembly comprises a Y-axis base and a lifting jig, the Y-axis base comprises a Y-axis cylinder, an up-down moving plate and a material lifting driven shaft, a telescopic end of the Y-axis cylinder is fixedly connected with the up-down moving plate, the material lifting driven shaft is mounted on the up-down moving plate, the lifting jig is mounted on the material lifting driven shaft, and the Y-axis cylinder drives the lifting jig to move up and down.

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