A precision grinding device for graphite products

Abstract

The embodiment of the present application provides a precision grinding device for graphite products, which relates to the technical field of graphite product processing. A precision grinding device for graphite products comprises: a product clamping mechanism, a grinding transmission mechanism, the grinding transmission mechanism is located at the rear end of the product clamping mechanism, the grinding transmission mechanism grinds the product clamped by the product clamping mechanism, and a cleaning and dust collection mechanism, the cleaning and dust collection mechanism is located at the lower part of the front end of the product clamping mechanism. After multiple graphite products have completed the grinding process, the orientation of the graphite products can be automatically rotated while the grinding roller is cleaned, so that the polished graphite products can be easily taken out and new graphite products can be put in for grinding, thereby greatly improving work efficiency, reducing the cumbersome steps in the operation process, and making the entire graphite product grinding and replacement process smoother and more convenient.

Description

Technical Field

[0001] The present application relates to the technical field of graphite product processing, and in particular to a precision grinding device for graphite products. Background Art

[0002] Graphite is a non-metallic material with unique physical and chemical properties, and has good electrical conductivity, thermal conductivity, high temperature resistance, chemical stability, self-lubrication, etc. With the continuous development of modern industry, the application fields of graphite products are becoming more and more extensive. Therefore, in the processing of graphite products, grinding is an indispensable step. In mechanical manufacturing, grinding can improve the surface quality of seals and sliding parts made of graphite, reduce the friction coefficient, and improve their self-lubrication performance and sealing effect.

[0003] However, after the existing graphite product grinding device has completed grinding of multiple graphite products, it may not be able to automatically clean the grinding roller quickly and efficiently. If the cleaning is not timely, the remaining debris may cause new scratches or damage to the surface of the graphite product during subsequent grinding. At the same time, it is difficult to automatically adjust the dust suction area according to the working state of the grinding roller, specifically to perform adsorption when grinding the product, or to perform adsorption when cleaning the grinding roller, which leads to dispersion and waste of suction capacity, reduces the overall dust suction efficiency, and reduces the quality of the working environment. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a precision grinding and repairing device for graphite products, which can realize the grinding of multiple graphite products and absorb dust in real time, improve the grinding quality and the quality of the working environment, and can automatically clean the grinding roller after grinding is completed, and absorb impurities again during cleaning, so as to improve the cleanliness of the roller and the quality of the environment. At the same time, after the grinding process is completed, the graphite product position can be automatically rotated when cleaning the grinding roller, which is convenient for taking and placing, improves work efficiency, and makes the process smoother and more convenient. At the same time, the first and second bellows are used to reasonably absorb dust in batches during grinding and cleaning, respectively, to avoid suction waste and improve dust collection efficiency.

[0005] A precision grinding device for graphite products according to an embodiment of the present application includes:

[0006] Product clamping mechanism;

[0007] A grinding transmission mechanism, the grinding transmission mechanism is located at the rear end of the product clamping mechanism, and the grinding transmission mechanism grinds the product clamped by the product clamping mechanism;

[0008] A cleaning and dust collection mechanism, the cleaning and dust collection mechanism is located at the lower part of the front end of the product clamping mechanism, the grinding transmission mechanism drives the cleaning and dust collection mechanism to rotate and clean the grinding transmission mechanism, and the waste chips generated during the grinding and cleaning process of the grinding transmission mechanism are classified and stored;

[0009] The dust suction conversion mechanism is located on one side of the middle part of the product clamping mechanism, and the grinding transmission mechanism drives the dust suction conversion mechanism to generate negative pressure, so that the dust generated by the grinding and cleaning processes of the grinding transmission mechanism is timely adsorbed.

[0010] According to some embodiments of the present application, the product clamping mechanism includes a base and a clamping box, a bracket is fixedly connected to the middle part of the rear end of the upper surface of the base, a lower turntable is rotatably connected to the middle part of the rear end of the upper surface of the base, a transfer plate is fixedly connected to the two sides of the upper surface of the lower turntable, an upper turntable is fixedly connected to the upper surface of the transfer plate, the clamping box is fixedly connected to the upper end of the transfer plate, a first servo motor is fixedly connected to the middle part of the lower surface of the upper turntable, a first bevel gear is fixedly connected to the output end of the first servo motor, a bidirectional screw rod is rotatably connected to the upper end of the transfer plate, one-way slides are sleeved on both sides of the bidirectional screw rod, a second bevel gear is fixedly connected to the middle part of the bidirectional screw rod body, a clamping plate is fixedly connected to the lower surface of the one-way slide plate, and the clamping plates both slide laterally inside the clamping box.

[0011] According to some embodiments of the present application, the upper end of the upper turntable is rotatably connected to the bracket, and the first bevel gear and the second bevel gear are meshed with each other.

[0012] According to some embodiments of the present application, the grinding transmission mechanism includes an assembly frame, an assembly box and a slide rail, the assembly frame is fixedly connected to the middle part of the lower surface of the base, the rear end of the inner bottom surface of the assembly frame is fixedly connected to a second servo motor, the output end of the second servo motor is fixedly connected to a one-way screw rod, the upper end of the one-way screw rod is rotatably connected to the upper part of the bracket, the rod body of the one-way screw rod is sleeved with a one-way slider, the assembly box is fixedly connected to the outer wall of the front end of the one-way slider, the inner wall of the rear end of the assembly box is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a grinding frame, the outer wall of one side of the grinding frame is fixedly connected to a third servo motor, and the output end of the third servo motor is fixedly connected to a grinding roller;

[0013] The outer wall of the rear end of the one-way sliding slider is fixedly connected with an active toothed plate, and the middle part of the bracket is rotatably connected to the first gear, and the outer walls of the two sides of the first rotating rod are fixedly connected to the first rotating rod, and the outer wall of the transmission wheel is provided with a toothed belt. The other end of the first rotating rod is fixedly connected to the other end of the upper surface of the base, and the inner wall of the transmission wheel is provided with a toothed belt.

[0014] According to some embodiments of the present application, the active toothed plate meshes with the intermediate toothed roller during the process of moving downward.

[0015] According to some embodiments of the present application, the lower end of the semi-toothed ring is rotatably connected to the base.

[0016] According to some embodiments of the present application, the cleaning dust collection mechanism includes a dust collection box and a dust collection hood, the dust collection box is connected to the other side of the grinding frame by bolts, the middle part of the rear end of the dust collection box is connected with a first corrugated pipe, the front end of the upper surface of the lower turntable is fixedly connected with a semicircular support plate, the dust collection hood is fixedly connected to the rear end of the semicircular support plate, the outer wall of the rear end of the dust collection hood is fixedly connected with a plurality of cleaning brushes, the outer wall of the rear end of the dust collection hood is connected with a plurality of dust collection heads, and the middle part of the outer wall of the transfer plate on one side is fixedly connected with a filter A box, a first ventilation pipe is connected to the middle of the front end of the filter box, the first ventilation pipe is connected to the middle of the rear end of the dust hood, the middle of the rear end of the filter box is connected to the second bellows, the front end of the upper surface of the lower turntable is fixedly connected to a dust collecting seat, the rear end of the upper surface of the lower turntable is fixedly connected to the dust hood, the dust box reciprocates up and down on the rod body of the one-way screw rod, the lower end of the one-way screw rod passes through the base and extends to the lower part of the base, and the dust box is located at the upper end of the second servo motor and the assembly frame.

[0017] According to some embodiments of the present application, a long filter frame is disposed inside the rear end of the dust collection box, and a short filter frame is disposed at the center of the filter box.

[0018] According to some embodiments of the present application, a vibration cover is slidably connected to the inside of the vibration frame, and the dust suction conversion mechanism includes a reduction gear, a negative pressure cylinder and a transfer box, the reduction gear is fixedly connected to the outer wall of the lower end of the one-way screw, the rear end of the inner bottom surface of the assembly frame is rotatably connected to the second rotating rod, the outer wall of the upper end of the second rotating rod is fixedly connected to the reduction pinion, the reduction gear and the reduction pinion are meshed with each other, the outer wall of the middle part of the second rotating rod is fixedly connected to the third bevel gear, the middle part of the assembly frame is rotatably connected to the reciprocating screw, the outer wall of the rear end of the reciprocating screw is fixedly connected to the fourth bevel gear, the third bevel gear and the fourth bevel gear are meshed with each other, the rod body of the reciprocating screw is sleeved with a reciprocating slider, the outer wall on one side of the reciprocating slider is fixedly connected to an L-shaped connecting frame, the negative pressure cylinder is fixedly connected to one side of the rear end of the lower surface of the base, the front end of the inside of the negative pressure cylinder is slidably connected to a sealing plate, the rear end of the L-shaped connecting frame is fixedly connected to the middle part of the outer wall of the front end of the sealing plate, and the upper part of the sealing plate is connected with a first one-way valve;

[0019] The transfer box is fixedly connected to one side of the middle part of the upper surface of the base, a second ventilation pipe is fixedly connected to the middle part of the rear end of the negative pressure cylinder, a second one-way valve is fixedly connected to the end of the second ventilation pipe close to the negative pressure cylinder, the front end of the second ventilation pipe is through-connected to one side of the middle part of the transfer box, a rectangular air blocking frame is slidably connected to the inside of the transfer box, a plurality of ventilation holes are opened on one side of the transfer box, the upper end of the transfer box is through-connected with a ventilation head, the lower end of the first bellows is through-connected to the ventilation head at the rear end, and the lower end of the second bellows is through-connected to the ventilation head at the front end. A positioning plate is fixedly connected to one side of the front end of the upper surface of the base, and a return spring is fixedly connected to the outer wall of the rear end of the positioning plate; an intermediate slide is fixedly connected to the outer wall of one side of the front end of the rectangular air blocking frame, and the front end of the intermediate slide passes through the transfer box and extends to the outside of the transfer box; a short tooth plate is fixedly connected to the other side of the outer wall of the front end of the intermediate slide, and a semi-arc tooth ring is fixedly connected to the edge of the rear end of the lower surface of the lower turntable, and the short tooth plate and the semi-arc tooth ring are meshed with each other, and a return plate is fixedly connected to one side of the outer wall of the front end of the intermediate slide, and the outer wall of the front end of the return plate is fixedly connected to the rear end of the return spring.

[0020] According to some embodiments of the present application, a guide plate is fixedly connected to one side of the rear end outer wall of the positioning plate, and the front end of the middle slide slides outside the guide plate.

[0021] The beneficial effects of the present application are as follows: when in use, the graphite product to be polished can be clamped by the product clamping mechanism, and the clamped graphite product can be polished by the polishing transmission mechanism, and at the same time, the polishing transmission mechanism will drive the cleaning and dust collection mechanism and the dust collection conversion mechanism to timely absorb the dust generated during the polishing process of the graphite product and the cleaning process of the polishing roller, thereby simplifying the working steps and improving the quality of the graphite product during long-term processing. Among them, when the second servo motor is started, the one-way slider drives the polishing roller to move up and down, firstly, the polishing of multiple graphite products can be realized, and at the same time, dust can be absorbed in real time during the polishing process, thereby improving the polishing quality of the graphite products and the quality of the working environment. Secondly, after the polishing of multiple graphite products is completed, the polishing roller can be automatically cleaned, and in the cleaning process, the impurities generated during the cleaning can be adsorbed again, thereby improving the cleanliness of the polishing roller and improving the quality of the working environment. Thirdly, when After multiple graphite products have completed the grinding process, the position of the graphite products can be automatically rotated while the grinding roller is being cleaned, so that the polished graphite products can be easily taken out and new graphite products can be put in for grinding, thereby greatly improving work efficiency, reducing the cumbersome steps in the operation process, and making the entire graphite product grinding and replacement process smoother and more convenient. Fourthly, when the grinding roller is grinding the graphite product, the second bellows cannot inhale air, and the first bellows starts to absorb dust. When the cleaning brush is cleaning the grinding roller, the first bellows cannot inhale air, and the second bellows starts to absorb dust. Then, through the reasonable allocation of suction resources, the dispersion and waste of suction capacity are avoided, and the overall dust collection efficiency can be improved. Fifthly, the debris generated in the process of cleaning the grinding roller can be collected through the dust collecting seat, and the debris generated in the process of grinding the graphite product can be collected through the dust collecting hood, thereby achieving the purpose of classified storage, thereby facilitating the screening and secondary utilization of the debris in the later stage, and simplifying the screening process.

[0022] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of a front view of a three-dimensional structure of a precision grinding and repairing device for graphite products according to an embodiment of the present application;

[0025] Figure 2 It is a bottom-up stereoscopic structural schematic diagram of a precision grinding and repairing device for graphite products according to an embodiment of the present application;

[0026] Figure 3 is a schematic diagram of the three-dimensional structure of a product clamping mechanism according to an embodiment of the present application;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the lower turntable, the middle transfer plate, the upper turntable and the clamping box according to an embodiment of the present application;

[0028] Figure 5 is a schematic diagram of the three-dimensional structure of a grinding transmission mechanism according to an embodiment of the present application;

[0029] Figure 6 It is a three-dimensional structural schematic diagram of a product clamping mechanism and a grinding transmission mechanism according to an embodiment of the present application;

[0030] Figure 7 is a schematic diagram of a half-sectioned three-dimensional structure of an assembly box according to an embodiment of the present application;

[0031] Figure 8 is a top view of a three-dimensional structure diagram of a cleaning and dust collection mechanism according to an embodiment of the present application;

[0032] Fig. 9 is a schematic diagram of a front three-dimensional structure of a cleaning and dust collection mechanism according to an embodiment of the present application;

[0033] Fig.10 It is a front view three-dimensional structural schematic diagram of a product clamping mechanism, a grinding transmission mechanism and a cleaning and dust collection mechanism according to an embodiment of the present application;

[0034] Fig.11 is a schematic diagram of the three-dimensional structure of the dust suction conversion mechanism according to an embodiment of the present application;

[0035] Fig.12 is a schematic diagram of a partial top-section three-dimensional structure of a dust suction conversion mechanism according to an embodiment of the present application;

[0036] Fig.13 It is a schematic diagram of a partial frontal three-dimensional structure of the dust suction conversion mechanism according to an embodiment of the present application.

[0037] Icons: 1. Product clamping mechanism; 101. Base; 102. Bracket; 103. Lower turntable; 104. Transfer plate; 105. Upper turntable; 106. Clamping box; 107. First servo motor; 108. First bevel gear; 109. Bidirectional screw rod; 110. Second bevel gear; 111. One-way slide plate; 112. Clamp plate; 2. Grinding transmission mechanism; 201. Assembly frame; 202. Second servo motor; 203. One-way screw rod; 204. One-way slide block; 2 05, assembly box; 206, electric telescopic rod; 207, grinding frame; 208, third servo motor; 209, grinding roller; 210, active tooth plate; 211, intermediate tooth roller; 212, first rotating rod; 213, transmission wheel; 214, toothed belt; 215, intermediate gear; 216, slide rail; 217, slide seat; 218, intermediate tooth plate; 219, half tooth ring; 220, transmission gear seat; 3, cleaning dust collection mechanism; 301, dust collection box; 302, long filter rack; 303, first bellows; 304, semicircular support plate; 305, dust cover; 306, cleaning brush; 307, dust head; 308, filter box; 309, short filter rack; 310, first vent pipe; 311, second bellows; 312, dust collection seat; 313, dust cover; 4, dust conversion mechanism; 401, reduction gear; 402, second rotating rod; 403, reduction pinion; 404, third bevel gear; 405, reciprocating screw; 406, fourth Bevel gear; 407, reciprocating slider; 408, L-shaped connecting frame; 409, negative pressure cylinder; 410, sealing plate; 411, first one-way valve; 412, transfer box; 413, second ventilation pipe; 414, rectangular air blocking frame; 415, ventilation hole; 416, ventilation head; 417, positioning plate; 418, reset spring; 419, middle slide plate; 420, guide plate; 421, short tooth plate; 422, semi-arc gear ring; 423, reset plate; 424, second one-way valve. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0039] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0040] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element 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.

[0043] 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.

[0044] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] A precision grinding device for graphite products according to an embodiment of the present application will be described below with reference to the accompanying drawings.

[0047] like Figure 1-Figure 13 As shown, a precision grinding device for graphite products according to an embodiment of the present application includes: a product clamping mechanism 1, a grinding transmission mechanism 2, a cleaning and dust collection mechanism 3 and a dust collection conversion mechanism 4.

[0048] like Figure 1 and Figure 2 It shows a product clamping mechanism 1, a grinding transmission mechanism 2, the grinding transmission mechanism 2 is located at the rear end of the product clamping mechanism 1, the grinding transmission mechanism 2 grinds the product clamped by the product clamping mechanism 1, a cleaning and dust collection mechanism 3, the cleaning and dust collection mechanism 3 is located at the lower part of the front end of the product clamping mechanism 1, the grinding transmission mechanism 2 drives the cleaning and dust collection mechanism 3 to rotate and clean the grinding transmission mechanism 2, the waste chips generated during the grinding and cleaning process of the grinding transmission mechanism 2 are classified and stored, and the dust collection conversion mechanism 4 is located on one side of the middle part of the product clamping mechanism 1, the grinding transmission mechanism 2 drives the dust collection conversion mechanism 4 to generate negative pressure, so that the dust generated during the grinding and cleaning process of the grinding transmission mechanism 2 is timely adsorbed.

[0049] When in use, the graphite product to be polished can be clamped by the product clamping mechanism 1, and then the clamped graphite product can be polished by the polishing transmission mechanism 2. At the same time, the polishing transmission mechanism 2 will drive the cleaning and dust collection mechanism 3 and the dust collection conversion mechanism 4 to timely absorb the dust generated during the polishing process of the graphite product and the cleaning process of the polishing roller 209, thereby simplifying the working steps and improving the quality of the graphite product during long-term processing.

[0050] like Figure 3 and Figure 4The product clamping mechanism 1 includes a base 101 and a clamping box 106. The middle part of the rear end of the upper surface of the base 101 is fixedly connected with a bracket 102. The middle part of the rear end of the upper surface of the base 101 is rotatably connected with a lower turntable 103. Both sides of the upper surface of the lower turntable 103 are fixedly connected with a transfer plate 104. The upper surface of the transfer plate 104 is fixedly connected with an upper turntable 105. The clamping box 106 is fixedly connected to the upper end of the transfer plate 104. The middle part of the lower surface of the upper turntable 105 is fixedly connected with a first servo motor 107. The output end of the first servo motor 107 is fixedly connected with a first bevel gear 108. The upper end of the transfer plate 104 is rotatably connected with a bidirectional lead screw 109. Both sides of the bidirectional lead screw 109 are sleeved with one-way slide plates 111. The middle part of the rod body of the bidirectional lead screw 109 is fixedly connected with a first bevel gear 108. The lower surfaces of the second bevel gear 110 and the one-way slide plate 111 are fixedly connected with a clamping plate 112, and the clamping plate 112 slides laterally inside the clamping box 106. The upper end of the upper turntable 105 is rotatably connected to the bracket 102, and the first bevel gear 108 and the second bevel gear 110 are meshed with each other. When grinding the graphite product, the graphite product to be ground is first placed in the clamping box 106 in sequence, and then the first servo motor 107 is started to make the first bevel gear 108 and the second bevel gear 110 mesh with each other, so that the bidirectional screw rod 109 is rotated, and the one-way slide plate 111 starts to drive the clamping plate 112 to clamp the graphite product, thereby achieving the fixation of the graphite product and ensuring that the graphite product is not prone to shaking during the grinding process.

[0051] like Figure 5 , Figure 6 and Figure 7The grinding transmission mechanism 2 includes an assembly frame 201, an assembly box 205 and a slide rail 216. The assembly frame 201 is fixedly connected to the middle part of the lower surface of the base 101. The rear end of the inner bottom surface of the assembly frame 201 is fixedly connected to the second servo motor 202. The output end of the second servo motor 202 is fixedly connected to a one-way screw rod 203. The upper end of the one-way screw rod 203 is rotatably connected to the upper part of the bracket 102. The rod body of the one-way screw rod 203 is sleeved with a one-way slider 204. The assembly box 205 is fixedly connected to the outer wall of the front end of the one-way slider 204. The inner wall of the rear end of the assembly box 205 is fixedly connected to an electric telescopic rod 206. The output end of the electric telescopic rod 206 is fixedly connected to a grinding frame 207. The outer wall of one side of the grinding frame 207 is fixedly connected There is a third servo motor 208, the output end of the third servo motor 208 is fixedly connected to a grinding roller 209, the outer wall of the rear end of the one-way slider 204 is fixedly connected to an active toothed plate 210, the middle part of the front end of the bracket 102 is rotatably connected to an intermediate toothed roller 211, the rear end of the upper surface of the base 101 is rotatably connected to a first rotating rod 212, the outer walls of both sides of the intermediate toothed roller 211 and the first rotating rod 212 are fixedly connected to a transmission wheel 213, the outer wall of the transmission wheel 213 is sleeved with a toothed belt 214, the other side of the first rotating rod 212 is fixedly connected to an intermediate gear 215, a slide rail 216 is fixedly connected to the other side of the upper surface of the base 101, the interior of the slide rail 216 is slidably connected to a slide seat 217, and the rear end of the upper surface of the slide seat 217 is fixedly connected The middle gear plate 218 meshes with the middle gear 215, and the lower surface of the lower turntable 103 is fixedly connected with a half gear ring 219. The front end of the upper surface of the slide 217 is fixedly connected with a transmission gear seat 220. The transmission gear seat 220 meshes with the half gear ring 219. When the half gear ring 219 rotates, it drives the lower turntable 103, the intermediate plate 104, the clamping box 106 and the upper turntable 105 to rotate. During the downward movement of the active gear plate 210, it meshes with the middle gear roller 211. The lower end of the half gear ring 219 is rotatably connected to the base 101. Specifically, when the graphite product is ground, the clamped graphite product will face the grinding surface toward the grinding roller 209 during the rotation of the lower turntable 103. The electric telescopic rod 206 is started according to the specific length of the graphite product extending out of the clamping box 106, so that the grinding roller 209 moves to the surface of the graphite product to be polished, and then the third servo motor 208 is started to make the grinding roller 209 rotate and polish the graphite product. At the same time, the one-way screw rod 203 is rotated by starting the second servo motor 202, and then the one-way slider 204 drives the grinding roller 209 to move from top to bottom. At this time, the grinding roller 209 in the self-rotation process will polish multiple graphite products in turn, thereby completing the grinding of the graphite products. After multiple graphite products are polished, the active tooth plate 210 and the intermediate tooth roller 211 will be meshed with each other during the downward movement of the one-way slider 204.Under the action of the transmission wheel 213 and the toothed belt 214, the first rotating rod 212 drives the intermediate gear 215 to rotate. At this time, the intermediate gear 215 will move the intermediate tooth plate 218 to the rear end during the rotation process. At the same time, the intermediate tooth plate 218 starts to drive the slide 217 and the transmission gear seat 220 to move to the rear end. At this time, under the mutual meshing of the transmission gear seat 220 and the half toothed ring 219, the half toothed ring 219 starts to drive the lower turntable 103, the transfer plate 104 and the clamping box 106 to rotate. At this time, the polished graphite product starts to rotate, which brings convenience for the staff to take out the graphite product and put in a new graphite product.

[0052] like Figure 8 , Fig. 9 and Fig.10The cleaning dust collection mechanism 3 includes a dust collection box 301 and a dust collection cover 305. The dust collection box 301 is connected to the other side of the grinding frame 207 by bolts. The middle part of the rear end of the dust collection box 301 is connected with a first corrugated pipe 303. The front end of the upper surface of the lower turntable 103 is fixedly connected with a semicircular support plate 304. The dust collection cover 305 is fixedly connected to the rear end of the semicircular support plate 304. The outer wall of the rear end of the dust collection cover 305 is fixedly connected with a plurality of cleaning brushes 306. The outer wall of the rear end of the dust collection cover 305 is connected with a plurality of dust collection heads 307. The middle part of the outer wall of the transfer plate 104 on one side is fixedly connected with a plurality of cleaning brushes 306. The filter box 308 is fixedly connected, and the middle part of the front end of the filter box 308 is connected with the first ventilation pipe 310, and the first ventilation pipe 310 is connected with the middle part of the rear end of the dust cover 305, and the middle part of the rear end of the filter box 308 is connected with the second bellows 311, and the front end of the upper surface of the lower turntable 103 is fixedly connected with the dust collecting seat 312, and the rear end of the upper surface of the lower turntable 103 is fixedly connected with the dust collecting cover 313, and the dust collecting box 301 reciprocates up and down on the rod of the one-way screw rod 203, and the lower end of the one-way screw rod 203 passes through the base 101 and extends to the lower part of the base 101, The dust box 301 is located at the upper end of the second servo motor 202 and the assembly frame 201. A long filter frame 302 is arranged inside the rear end of the dust box 301, and a short filter frame 309 is arranged at the center of the filter box 308. Specifically, in the process of grinding the graphite product, the dust box 301 can timely absorb and store the dust generated during the grinding process of the grinding roller 209. At the same time, when the lower turntable 103 drives the clamping box 106 to rotate, the dust cover 305 drives the cleaning brush 306 to rotate. At this time, the third servo motor 208 is in a stopped state. During the rotation process, the concentration cleaning brush 306 will clean the foreign matter attached to the surface of the grinding roller 209. At the same time, when cleaning the grinding roller 209, the dust collecting seat 312 is located below the grinding roller 209. The dust collecting seat 312 can collect the debris generated in the process of cleaning the grinding roller 209. When the grinding roller 209 grinds the graphite product, the dust collecting cover 313 is located below the grinding roller 209. The dust collecting cover 313 can collect the debris generated in the process of grinding the graphite product, thereby avoiding the mixing of the debris generated by the two, and achieving the purpose of classified storage of the debris.

[0053] like Fig.11 , Fig.12 and Fig.13The dust suction conversion mechanism 4 includes a reduction gear 401, a negative pressure cylinder 409 and a transfer box 412. The reduction gear 401 is fixedly connected to the outer wall of the lower end of the one-way screw 203. The rear end of the inner bottom surface of the assembly frame 201 is rotatably connected to the second rotating rod 402. The outer wall of the upper end of the second rotating rod 402 is fixedly connected to the reduction pinion 403. The reduction gear 401 and the reduction pinion 403 are meshed with each other. The outer wall of the middle part of the second rotating rod 402 is fixedly connected to the third bevel gear 404. The middle part of the assembly frame 201 is rotatably connected to a reciprocating screw 405. The outer wall of the rear end of the reciprocating screw 405 is fixedly connected to the fourth bevel gear 406. The third bevel gear 404 and the fourth bevel gear 406 are meshed with each other. The rod body of the reciprocating screw 405 is sleeved with a reciprocating slider 40 7. An L-shaped connecting frame 408 is fixedly connected to the outer wall of one side of the reciprocating slider 407. A negative pressure cylinder 409 is fixedly connected to one side of the rear end of the lower surface of the base 101. A sealing plate 410 is slidably connected to the front end of the interior of the negative pressure cylinder 409. The rear end of the L-shaped connecting frame 408 is fixedly connected to the middle of the outer wall of the front end of the sealing plate 410. The upper part of the sealing plate 410 is connected with a first one-way valve 411. A transfer box 412 is fixedly connected to one side of the middle part of the upper surface of the base 101. A second ventilation pipe 413 is fixedly connected to the middle part of the rear end of the negative pressure cylinder 409. A second one-way valve 424 is fixedly connected to one end of the second ventilation pipe 413 close to the negative pressure cylinder 409. The front end of the second ventilation pipe 413 is connected to one side of the middle part of the transfer box 412. The interior of the transfer box 412 A rectangular air blocking frame 414 is slidably connected, and a plurality of air vents 415 are provided on one side of the transfer box 412. A vent head 416 is connected to the upper end of the transfer box 412, and the lower end of the first bellows 303 is connected to the rear end vent head 416, and the lower end of the second bellows 311 is connected to the front end vent head 416. A positioning plate 417 is fixedly connected to one side of the front end of the upper surface of the base 101, and a return spring 418 is fixedly connected to the outer wall of the rear end of the positioning plate 417. An intermediate slide plate 419 is fixedly connected to the outer wall of one side of the front end of the rectangular air blocking frame 414, and the front end of the intermediate slide plate 419 passes through the transfer box 412 and extends to the outside of the transfer box 412. A short tooth plate 421 is fixedly connected to the other side of the outer wall of the front end of the intermediate slide plate 419. A semi-arc gear ring 422 is fixedly connected to the edge of the rear end of the lower surface 3, and the short tooth plate 421 meshes with the semi-arc gear ring 422. A reset plate 423 is fixedly connected to one side of the outer wall of the front end of the intermediate slide plate 419. The outer wall of the front end of the reset plate 423 is fixedly connected to the rear end of the reset spring 418. A guide plate 420 is fixedly connected to one side of the outer wall of the rear end of the positioning plate 417. The front end of the intermediate slide plate 419 slides outside the guide plate 420. Specifically, in the process of grinding the graphite product, the one-way screw rod 203 can be rotated by starting the second servo motor 202, and the reduction gear 401 will drive the reduction gear 403 to rotate. At this time, the second rotating rod 402 will mesh the third bevel gear 404 with the fourth bevel gear 406.And make the reciprocating screw rod 405 rotate, at this time the reciprocating slider 407 drives the L-shaped connecting frame 408 and the sealing plate 410 to move inside the negative pressure cylinder 409, and generates negative pressure inside the negative pressure cylinder 409, the negative pressure inside the negative pressure cylinder 409 will make the second ventilation pipe 413 start to inhale, and at the same time make the transfer box 412 generate negative pressure, when the grinding roller 209 is located at the graphite product position for grinding, the negative pressure generated inside the transfer box 412 will be sucked in through the rear end ventilation head 416 and the first bellows 303, at this time some dust generated during the grinding of the graphite product enters the dust collection box 301, and then is filtered through the long filter frame 302, wherein, during the operation of the negative pressure cylinder 409, the sealing plate 410 is facing the inside of the negative pressure cylinder 409 Move, the first one-way valve 411 is in an open state, and the second one-way valve 424 is in a closed state. When the sealing plate 410 moves toward the outside of the negative pressure cylinder 409, the second one-way valve 424 is in an open state, and the first one-way valve 411 is in a closed state, thereby forming a negative pressure, which effectively reduces the dust generated during the working process of the graphite product and improves the quality of the working environment. After the graphite product is polished, the polishing roller 209 moves downward and is cleaned by the cleaning brush 306, the semi-arc tooth ring 422 will continuously engage with the short tooth plate 421, so that the middle slide plate 419 drives the rectangular air blocking frame 414 to move to the position of the positioning plate 417. At this time, the rear end ventilation head 416 and the rear end ventilation hole 415 will be blocked by the rear end of the rectangular air blocking frame 414 , the vent hole 415 and the vent head 416 at the front end can be ventilated, and the negative pressure generated inside the transfer box 412 will be sucked in through the second bellows 311, so that the inside of the filter box 308 will generate negative pressure, and the air will be sucked in through the first vent pipe 310 and the dust hood 305. At this time, the dust generated by the cleaning brush 306 during the cleaning process will be absorbed by the dust head 307, thereby effectively improving the cleaning quality of the cleaning brush 306, reducing the content of impurities on the surface of the grinding roller 209, and improving the quality of the grinding roller 209 during long-term use. Among them, when the second servo motor 202 is started, the one-way slider 204 drives the grinding roller 209 to move up and down. First, it can realize the grinding of multiple graphite products, and at the same time, it can suck in real time during the grinding process. The grinding roller 209 can be automatically cleaned, and the impurities generated during the cleaning process can be adsorbed again, thereby improving the cleanliness of the grinding roller 209 and improving the quality of the working environment. Thirdly, after the grinding process of multiple graphite products is completed, the grinding roller 209 can be automatically cleaned while the grinding roller 209 is cleaned, so that the position of the graphite product can be automatically rotated, so that the polished graphite product can be easily taken out and a new graphite product can be put in for polishing, thereby greatly improving the work efficiency, reducing the cumbersome steps in the operation process, and making the entire graphite product polishing and replacement process smoother and more convenient.Fourthly, when the grinding roller 209 is grinding the graphite product, the second bellows 311 cannot suck air, and the first bellows 303 starts to suck dust. When the cleaning brush 306 is cleaning the grinding roller 209, the first bellows 303 cannot suck air, and the second bellows 311 starts to suck dust. Thus, through the reasonable allocation of suction resources, the dispersion and waste of suction capacity are avoided, and the overall dust suction efficiency can be improved. Fifthly, the dust collecting seat 312 can collect the debris generated in the process of cleaning the grinding roller 209, and the dust collecting cover 313 can collect the debris generated in the process of grinding the graphite product, thereby achieving the purpose of classified storage, thereby facilitating the screening and secondary utilization of the debris in the later stage, and simplifying the screening process.

[0054] Specifically, the working principle of the precision grinding device for graphite products is as follows: when grinding the graphite product, the clamped graphite product will turn the surface to be ground toward the position of the grinding roller 209 during the rotation of the lower turntable 103, and then the electric telescopic rod 206 is started according to the specific length of the graphite product extending out of the clamping box 106, so that the grinding roller 209 moves to the surface to be ground of the graphite product, and then the third servo motor 208 is started to make the grinding roller 209 rotate and grind the graphite product, and at the same time, the one-way screw rod 203 can be rotated by starting the second servo motor 202, and then the one-way slider 204 will drive the grinding roller 209 to move from top to bottom, and at this time, the grinding roller 209 in the self-rotation process will move multiple graphite products according to the rotation process. The grinding is then completed, and the grinding of the graphite products is completed. After multiple graphite products are ground, the active tooth plate 210 and the intermediate tooth roller 211 are meshed with each other during the downward movement of the one-way slider 204, and the first rotating rod 212 drives the intermediate gear 215 to rotate under the action of the transmission wheel 213 and the toothed belt 214. At this time, the intermediate gear 215 causes the intermediate tooth plate 218 to move toward the rear end during the rotation, and the intermediate tooth plate 218 starts to drive the slide 217 and the transmission gear seat 220 to move toward the rear end. At this time, the transmission gear seat 220 and the half gear ring 219 are meshed with each other, and the half gear ring 219 starts to drive the lower turntable 103, the transfer plate 104 and the clamping box 106 to rotate. At this time, the graphite products that have been ground begin to rotate, thereby It is convenient for the staff to take out the graphite products and put in new graphite products. At the same time, the dust box 301 can timely absorb and store the dust generated during the grinding process of the grinding roller 209. At the same time, when the lower turntable 103 drives the clamping box 106 to rotate, the dust hood 305 will drive the cleaning brush 306 to rotate. At this time, the third servo motor 208 is in a stopped state, and then the concentration cleaning brush 306 will clean the foreign matter attached to the surface of the grinding roller 209 during the rotation. At the same time, when cleaning the grinding roller 209, the dust collecting seat 312 is located below the grinding roller 209. The dust collecting seat 312 can collect the debris generated during the cleaning of the grinding roller 209. When the grinding roller 209 grinds the graphite product, the dust collecting hood 313 is located below the grinding roller 209. 9, the dust collecting cover 313 can collect the debris generated during the grinding of the graphite product, thereby avoiding the mixing of the debris generated by the two, and at the same time, the one-way screw 203 can be rotated by starting the second servo motor 202, and the large reduction gear 401 can drive the small reduction gear 403 to rotate. At this time, the second rotating rod 402 can make the third bevel gear 404 mesh with the fourth bevel gear 406, and make the reciprocating screw 405 rotate. At this time, the reciprocating slider 407 drives the L-shaped connecting frame 408 and the sealing plate 410 to move inside the negative pressure cylinder 409, and generates negative pressure inside the negative pressure cylinder 409. The negative pressure inside the negative pressure cylinder 409 will cause the second ventilation pipe 413 to start inhaling, and at the same time, a negative pressure is generated inside the transfer box 412.When the grinding roller 209 is located at the graphite product position for grinding, the negative pressure generated inside the transfer box 412 will be sucked in through the ventilation head 416 at the rear end and the first bellows 303. At this time, some dust generated during the grinding of the graphite product enters the dust collection box 301 and is filtered through the long filter frame 302, thereby effectively reducing the dust generated during the working process of the graphite product and improving the quality of the working environment. After the grinding of the graphite product is completed, the grinding roller 209 moves downward and is cleaned by the cleaning brush 306. The semi-arc tooth ring 422 will continuously mesh with the short tooth plate 421, so that the middle slide plate 419 drives the rectangular air blocking frame 414 to the positioning plate 41 7, at this time, the rear ventilation head 416 and the rear ventilation hole 415 will be blocked by the rear end of the rectangular air blocking frame 414, and the front ventilation hole 415 and the ventilation head 416 can be ventilated. At this time, the negative pressure generated inside the transfer box 412 will be sucked through the second bellows 311, so that the inside of the filter box 308 will generate negative pressure, and the first ventilation pipe 310 and the dust cover 305 will be sucked. At this time, the dust generated by the cleaning brush 306 during the cleaning process will be absorbed by the dust head 307, thereby effectively improving the cleaning quality of the cleaning brush 306, reducing the content of impurities on the surface of the grinding roller 209, and improving the quality of the grinding roller 209 when used for a long time.

[0055] It should be noted that the models and specifications of the first servo motor 107, the second servo motor 202, the third servo motor 208 and the electric telescopic rod 206 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be repeated in detail.

[0056] The power supply and principle of the first servo motor 107 , the second servo motor 202 , the third servo motor 208 and the electric telescopic rod 206 are clear to those skilled in the art and will not be described in detail herein.

[0057] The above are only embodiments of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0058] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A precision grinding device for graphite products, characterized in that: include: A product clamping mechanism (1), the product clamping mechanism (1) comprising a base (101) and a clamping box (106), the middle part of the rear end of the upper surface of the base (101) being fixedly connected to a bracket (102), the middle part of the rear end of the upper surface of the base (101) being rotatably connected to a lower turntable (103), both sides of the upper surface of the lower turntable (103) being fixedly connected to a transfer plate (104), the upper surface of the transfer plate (104) being fixedly connected to an upper turntable (105), the clamping box (106) being fixedly connected to the upper end of the transfer plate (104), the lower end of the upper turntable (105) being fixedly connected to the lower end of the upper turntable (105). A first servo motor (107) is fixedly connected to the middle of the surface, an output end of the first servo motor (107) is fixedly connected to a first bevel gear (108), an upper end of the transfer plate (104) is rotatably connected to a bidirectional screw rod (109), both sides of the bidirectional screw rod (109) are sleeved with a one-way slide plate (111), a second bevel gear (110) is fixedly connected to the middle of the bidirectional screw rod (109), a clamping plate (112) is fixedly connected to the lower surface of the one-way slide plate (111), and the clamping plates (112) slide laterally inside the clamping box (106); A grinding transmission mechanism (2), the grinding transmission mechanism (2) being located at the rear end of the product clamping mechanism (1), the grinding transmission mechanism (2) grinding the product clamped by the product clamping mechanism (1), the grinding transmission mechanism (2) comprising an assembly frame (201), an assembly box (205) and a slide rail (216), the assembly frame (201) being fixedly connected to the middle part of the lower surface of the base (101), the rear end of the inner bottom surface of the assembly frame (201) being fixedly connected to a second servo motor (202), the output end of the second servo motor (202) being fixedly connected to a one-way screw rod (203), the one-way screw rod (203) The upper end of the screw rod (203) is rotatably connected to the upper part of the bracket (102); the shaft of the one-way screw rod (203) is sleeved with a one-way slider (204); the assembly box (205) is fixedly connected to the outer wall of the front end of the one-way slider (204); the inner wall of the rear end of the assembly box (205) is fixedly connected to an electric telescopic rod (206); the output end of the electric telescopic rod (206) is fixedly connected to a grinding frame (207); the outer wall of one side of the grinding frame (207) is fixedly connected to a third servo motor (208); and the output end of the third servo motor (208) is fixedly connected to a grinding roller (209); The outer wall at the rear end of the one-way slider (204) is fixedly connected to an active toothed plate (210), the middle part of the front end of the bracket (102) is rotatably connected to an intermediate toothed roller (211), and the active toothed plate (210) meshes with the intermediate toothed roller (211) during the downward movement, the rear end of the upper surface of the base (101) is rotatably connected to a first rotating rod (212), the outer walls on both sides of the intermediate toothed roller (211) and the first rotating rod (212) are fixedly connected to a transmission wheel (213), the outer wall of the transmission wheel (213) is sleeved with a toothed belt (214), the other side of the first rotating rod (212) is fixedly connected to an intermediate gear (215), and the slide rail (216) is fixedly connected to the base (1 01), the inner part of the slide rail (216) is slidably connected to a slide seat (217), the rear end of the upper surface of the slide seat (217) is fixedly connected to an intermediate tooth plate (218), the intermediate tooth plate (218) and the intermediate gear (215) are meshed with each other, the lower surface of the lower turntable (103) is fixedly connected to a semi-tooth ring (219), the front end of the upper surface of the slide seat (217) is fixedly connected to a transmission tooth seat (220), the transmission tooth seat (220) and the semi-tooth ring (219) are meshed with each other, and the semi-tooth ring (219) rotates while driving the lower turntable (103), the intermediate transfer plate (104), the clamping box (106) and the upper turntable (105) to rotate; A cleaning dust collection mechanism (3), the cleaning dust collection mechanism (3) is located at the lower part of the front end of the product clamping mechanism (1), the grinding transmission mechanism (2) drives the cleaning dust collection mechanism (3) to rotate and clean the grinding transmission mechanism (2), and the waste chips generated during the grinding and cleaning process of the grinding transmission mechanism (2) are classified and stored, the cleaning dust collection mechanism (3) comprises a dust collection box (301) and a dust collection hood (305), the dust collection box (301) is connected to the other side of the grinding frame (207) by bolts, the middle part of the rear end of the dust collection box (301) is connected through a first bellows (303), the front end of the upper surface of the lower rotating disk (103) is fixedly connected to a semicircular support plate (304), the dust collection hood (305) is fixedly connected to the rear end of the semicircular support plate (304), the outer wall of the rear end of the dust collection hood (305) is fixedly connected to a plurality of cleaning brushes (306), and the outer wall of the rear end of the dust collection hood (305) is fixedly connected to the outer wall of the rear end of the dust collection hood (305). A plurality of dust collecting heads (307) are connected through the walls, a filter box (308) is fixedly connected to the middle of the outer wall of the transfer plate (104) on one side, a first ventilation pipe (310) is connected through the middle of the front end of the filter box (308), the first ventilation pipe (310) is connected through the middle of the rear end of the dust collecting cover (305), a second bellows (311) is connected through the middle of the rear end of the filter box (308), and the front surface of the upper surface of the lower transfer plate (103) is fixedly connected to the filter box (308) at the middle of the front end. The lower end of the lower rotating disk (103) is fixedly connected to a dust collecting seat (312); the rear end of the upper surface of the lower rotating disk (103) is fixedly connected to a dust collecting cover (313); the dust collecting box (301) reciprocates up and down on the shaft of the one-way screw rod (203); the lower end of the one-way screw rod (203) penetrates the base (101) and extends to the lower part of the base (101); the dust collecting box (301) is located at the upper ends of the second servo motor (202) and the assembly frame (201); The dust suction conversion mechanism (4) is located on one side of the middle part of the product clamping mechanism (1), and the grinding transmission mechanism (2) drives the dust suction conversion mechanism (4) to generate negative pressure, so that the dust generated by the grinding transmission mechanism (2) during the grinding and cleaning process is promptly adsorbed.

2. A precision grinding device for graphite products according to claim 1, characterized in that: The upper end of the upper rotating disk (105) is rotatably connected to the bracket (102), and the first bevel gear (108) and the second bevel gear (110) are meshed with each other.

3. The precision grinding device for graphite products according to claim 1, characterized in that: The lower end of the semi-toothed ring (219) is rotatably connected to the base (101).

4. The precision grinding device for graphite products according to claim 1, characterized in that: A long filter frame (302) is arranged inside the rear end of the dust collection box (301), and a short filter frame (309) is arranged at the center of the inside of the filter box (308).

5. The precision grinding device for graphite products according to claim 1, characterized in that: The dust suction conversion mechanism (4) comprises a large reduction gear (401), a negative pressure cylinder (409) and a transfer box (412); the large reduction gear (401) is fixedly connected to the outer wall of the lower end of the one-way screw (203); the rear end of the inner bottom surface of the assembly frame (201) is rotatably connected to a second rotating rod (402); the outer wall of the upper end of the second rotating rod (402) is fixedly connected to a small reduction gear (403); the large reduction gear (401) and the small reduction gear (403) are meshed with each other; the outer wall of the middle part of the second rotating rod (402) is fixedly connected to a third bevel gear (404); the middle part of the assembly frame (201) is rotatably connected to a reciprocating screw (405); the reciprocating screw (405) ) is fixedly connected to the outer wall of the rear end with a fourth bevel gear (406), the third bevel gear (404) and the fourth bevel gear (406) are meshed with each other, the rod body of the reciprocating screw rod (405) is sleeved with a reciprocating slider (407), the outer wall of one side of the reciprocating slider (407) is fixedly connected to an L-shaped connecting frame (408), the negative pressure cylinder (409) is fixedly connected to one side of the rear end of the lower surface of the base (101), the front end of the interior of the negative pressure cylinder (409) is slidably connected to a sealing plate (410), the rear end of the L-shaped connecting frame (408) is fixedly connected to the middle part of the outer wall of the front end of the sealing plate (410), and the upper part of the sealing plate (410) is connected through with a first one-way valve (411); The transfer box (412) is fixedly connected to one side of the middle part of the upper surface of the base (101); a second ventilation pipe (413) is fixedly connected to the middle part of the rear end of the negative pressure cylinder (409); a second one-way valve (424) is fixedly connected to one end of the second ventilation pipe (413) close to the negative pressure cylinder (409); a front end of the second ventilation pipe (413) is connected to one side of the middle part of the transfer box (412); a rectangular air blocking frame (414) is slidably connected to the inside of the transfer box (412); a plurality of ventilation holes (415) are provided on one side of the transfer box (412); a ventilation head (416) is connected to the upper end of the transfer box (412); a lower end of the first bellows (303) is connected to the ventilation head (416) at the rear end; a lower end of the second bellows (311) is connected to the ventilation head (416) at the front end; A positioning plate (417) is fixedly connected to one side of the front end of the upper surface of the base (101), and a return spring (418) is fixedly connected to the outer wall of the rear end of the positioning plate (417). An intermediate slide plate (419) is fixedly connected to the outer wall of one side of the front end of the rectangular air blocking frame (414). The front end of the intermediate slide plate (419) passes through the transfer box (412) and extends to the outside of the transfer box (412). A short tooth plate (421) is fixedly connected to the other side of the outer wall of the front end of the intermediate slide plate (419). A semi-arc tooth ring (422) is fixedly connected to the edge of the rear end of the lower surface of the lower turntable (103), and the short tooth plate (421) and the semi-arc tooth ring (422) are meshed with each other. A return plate (423) is fixedly connected to one side of the outer wall of the front end of the intermediate slide plate (419), and the outer wall of the front end of the return plate (423) is fixedly connected to the rear end of the return spring (418).

6. A precision grinding device for graphite products according to claim 5, characterized in that: A guide plate (420) is fixedly connected to one side of the rear end outer wall of the positioning plate (417), and the front end of the middle slide plate (419) slides outside the guide plate (420).

Images