A precision mold surface finishing and polishing equipment

Abstract

The present invention belongs to the technical field of polishing equipment, and specifically relates to a precision mold surface finishing polishing equipment, including a machine platform, a manipulator is provided on one side of the machine platform, an electromagnetic slide is fixedly connected to the top of the machine platform, and a plurality of through holes are opened inside the electromagnetic slide; a switching mechanism, the switching mechanism includes a rotating shaft and a plurality of polishing discs; an anti-splash mechanism, the anti-splash mechanism includes a scraper; a circulation mechanism, the circulation mechanism includes a pressure sensor. The present invention can collect and recycle the polishing agent through the circulation mechanism to improve the utilization rate of the polishing agent, and can automatically replace the polishing disc as the polishing agent accumulates in the circulation mechanism through the switching mechanism to improve the efficiency of polishing, and can reduce the outward splashing of the polishing agent through the anti-splash mechanism and move the splashed polishing agent back to the mold, thereby improving the utilization rate of the polishing agent and the convenience of polishing.

Description

Technical Field

[0001] The invention belongs to the technical field of polishing equipment, and in particular relates to a precision mold surface finishing polishing equipment. Background Art

[0002] Precision molds are tools used to ensure the accuracy of product shape, size and surface quality during mass production. In the process of processing molds, the surface of the mold is often fine-processed by polishing equipment to improve the mold demoulding efficiency, product surface finish and reduce the sticking phenomenon of the product. The polishing equipment is usually equipped with a rotatable polishing disc, and the bottom of the polishing disc is usually bonded with abrasive particles. During polishing, the motor drives the polishing disc to rotate at high speed, and the polishing agent is used to rub against the mold surface. The mold is roughly polished and finely polished by polishing discs of different mesh sizes to achieve polishing of the mold.

[0003] Chinese patent CN115446720B discloses a polishing device for mold processing with an easy-to-disassemble polishing disc, which belongs to the field of polishing technology. The present invention includes a mold, a polishing disc, a polishing table, a manipulator, a polishing mechanism, and a table cleaning mechanism. The manipulator is arranged on one side of the polishing table, the polishing mechanism is installed on the execution end of the manipulator, the table cleaning mechanism is arranged on the polishing table, the polishing table includes a machine table, an X-axis slide plate, and a Y-axis slide plate. A control system is arranged in the machine table. The X-axis slide plate is slidably arranged on the machine table, and the Y-axis slide plate is slidably arranged on the X-axis slide plate. The Y-axis slide plate is perpendicular to the sliding direction of the X-axis slide plate. The Y-axis slide plate and the X-axis slide plate move under the control of the control system. The polishing mechanism polishes the mold, and the table cleaning mechanism controls the Y-axis slide plate. The surface of the mold can be cleaned, and the Y-axis slide is an electromagnetic suction cup, which fixes the position of the mold on the Y-axis slide, making it easy to polish the mold; however, the mold processing polishing device with easy disassembly of the polishing disc requires the operator to manually replace the polishing disc, and cannot automatically replace the polishing disc. The polishing disc usually wears out after use, so the operator needs to manually replace the polishing disc frequently, and the polishing efficiency is insufficient. In addition, the polishing agent is easily thrown outward and splashed under the drive of the polishing disc during the polishing process, causing inconvenience to the equipment and the operator. The splashed polishing agent is difficult to collect and recycle, and the convenience of polishing is insufficient. Summary of the invention

[0004] The object of the present invention is to provide a precision mold surface finishing polishing equipment, which can collect and recycle the polishing agent through a circulation mechanism to improve the utilization rate of the polishing agent, and can automatically replace the polishing disc as the polishing agent accumulates in the circulation mechanism through a switching mechanism to improve the polishing efficiency, and can reduce the outward splashing of the polishing agent through an anti-splash mechanism and move the splashed polishing agent back to the mold, thereby improving the utilization rate of the polishing agent and the convenience of polishing.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A precision mold surface finishing and polishing equipment, comprising:

[0007] A machine platform, wherein a manipulator is provided on one side of the machine platform, an execution end of the manipulator is fixedly connected to a connecting plate, an electromagnetic slide is fixedly connected to the top of the machine platform, and a plurality of through holes are opened inside the electromagnetic slide;

[0008] A switching mechanism, wherein the switching mechanism is arranged on the connecting plate, and the switching mechanism comprises a rotating shaft and a plurality of polishing discs;

[0009] An anti-splash mechanism, which is arranged on the switching mechanism and is used to reduce the splashing of the polishing agent, and the anti-splash mechanism includes a scraper;

[0010] A circulation mechanism, which is arranged below the electromagnetic drag plate, is connected to the anti-splash mechanism, and is used to collect and recycle the polishing agent, and includes a pressure sensor;

[0011] Among them, after the switching mechanism works, it drives the anti-splash mechanism to operate, so that the scraper scrapes off the splashed polishing agent, and the polishing agent flows into the circulation mechanism to drive the pressure sensor to work, so that the circulation mechanism drives the polishing agent to be circulated. The pressure sensor also makes the polishing disk rotate and then connects to the rotating shaft to switch the polishing disk.

[0012] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, the switching mechanism also includes a first lifting plate slidably installed on one side of the bottom of the connecting plate in the vertical direction, the first lifting plate is fixedly connected to the first motor, the rotating shaft is fixedly connected to the output end of the first motor, and a second lifting plate is slidably installed on the other side of the bottom of the connecting plate in the vertical direction, the second lifting plate is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to a rotating drum, a plurality of lifting arms are circumferentially arranged on the outer side of the rotating drum, the lifting arms are slidably installed with the rotating drum in the vertical direction, the polishing disc is rotatably connected to the end of the lifting arm, and the upper end of the polishing disc slides with the lower end of the rotating shaft in the vertical direction.

[0013] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, a first slide rail is provided between the first lifting plate and the connecting plate, the first lifting plate and the connecting plate are slidably connected through the first slide rail, and a first pneumatic telescopic rod is fixedly connected between the first lifting plate and the connecting plate.

[0014] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, a second slide rail is provided between the second lifting plate and the connecting plate, the second lifting plate and the connecting plate are slidably connected through the second slide rail, and a second pneumatic telescopic rod is fixedly connected between the second lifting plate and the connecting plate.

[0015] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, a protrusion is fixedly connected to the lower end of the rotating shaft, and a groove is opened at the upper end of the polishing plate, and the groove and the protrusion are slidably matched in the vertical direction.

[0016] As a preferred solution of the precision mold surface finishing polishing equipment described in the present invention, wherein: a ring sleeve is fixedly connected to one end of the lifting arm close to the polishing disk, the ring sleeve is rotatably matched with the top of the polishing disk, a baffle is provided above the ring sleeve, and the baffle is fixedly connected to the top of the polishing disk.

[0017] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, the rotating drum is provided with a slide groove along the circumferential direction, the slide groove is slidably connected to the lifting arm, and a tension spring is fixedly connected between the top of the lifting arm and the slide groove.

[0018] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, the splash-proof mechanism also includes a shield arranged outside the rotating shaft, the shield is fixedly connected to the bottom of the first lifting plate, the scraper is arranged inside the shield, one end of the scraper is fixedly connected to the rotating shaft, and the other end of the scraper abuts against the inner wall of the shield.

[0019] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, wherein: the circulation mechanism also includes a collecting box arranged under the electromagnetic drag plate, the pressure sensor is fixedly connected to the inner side of the bottom of the collecting box, a third lifting plate is provided above the pressure sensor, the third lifting plate is slidably connected to the collecting box along the vertical direction, a material box is fixedly connected to the first lifting plate, a first pump body is provided between the material box and the collecting box, the first pump body is fixedly connected to the first lifting plate, the input end of the first pump body is connected to the collecting box, and the output end of the first pump body is connected to the material box, a second pump body is provided between the material box and the cover, the second pump body is fixedly connected to the first lifting plate, the input end of the second pump body is connected to the material box, and the output end of the second pump body is connected to the lower end of the outer wall of the cover.

[0020] As a preferred solution of the precision mold surface finishing and polishing equipment described in the present invention, a feeding port is provided on the top of the material box, and a sealing cover is detachably connected to the end of the feeding port.

[0021] The technical effects achieved by the present invention are:

[0022] The present invention adopts the design of a circulation mechanism, which can collect and recycle the polishing agent. The polishing agent flows into the collection box through the through hole. After the electromagnetic drag plate works, the metal dust particles generated during the polishing process mixed in the polishing agent are adsorbed on the inner wall of the through hole. The polishing agent flowing into the collection box presses the third lifting plate downward under the action of its own gravity, so that the third lifting plate presses down the pressure sensor. When the pressure value detected by the pressure sensor reaches the expected value, that is, when the polishing agent in the collection box accumulates to a certain amount, the first pump body works to extract the polishing agent in the collection box and move it to the material box. After the second pump body works, the stored polishing agent is taken out from the material box and moved to the mold, so as to realize the collection and recycling of the polishing agent, improve the utilization rate of the polishing agent, and improve the convenience of polishing.

[0023] The present invention adopts the design of a switching mechanism, which can automatically replace the polishing disc as the polishing agent accumulates in the circulation mechanism. When the polishing agent in the collection box accumulates to a certain amount, that is, the polishing disc is used for a certain period of time, the pressure value detected by the pressure sensor reaches an expected value, and the pressure sensor stops the rotation of the rotating shaft. The rotating drum drives one polishing disc downward through the lifting arm and separates it from the rotating shaft. After the rotating drum rotates, it drives another polishing disc to move below the rotating shaft. The rotating drum drives another polishing disc upward through the lifting arm and connects to the rotating shaft, thereby switching the polishing disc. Compared with the situation in which the operator needs to manually replace the polishing disc in the traditional method, the use time of the polishing disc is inferred by the accumulated amount of polishing agent, and then the wear degree of the polishing disc is judged to automatically replace the polishing disc, thereby improving the polishing efficiency.

[0024] The present invention adopts the design of a splash-proof mechanism, which can reduce the outward splashing of the polishing agent and move the splashed polishing agent back to the mold. After the switching mechanism works, the first motor drives the rotating shaft to rotate, and the rotating shaft drives the polishing disk to rotate to polish the mold. The polishing disk drives the polishing agent on the mold to splash outward, and the mask prevents the splashing polishing agent from moving outward, so that the polishing agent adheres to the inner wall of the mask. Compared with the traditional method, the inconvenience caused by the splashing polishing agent to the equipment and operators is reduced. When the rotating shaft rotates, it also drives the scraper to rotate along the inner wall of the mask to scrape off the polishing agent attached to the inner wall of the mask, so that the polishing agent falls along the inner wall of the mask to the mold below, so that the polishing agent is moved back to the mold for repeated use, thereby improving the utilization rate of the polishing agent and improving the convenience of polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention from an overall angle;

[0026] Figure 2It is a schematic diagram of the structure of the present invention from another angle;

[0027] Figure 3 It is a cross-sectional schematic diagram of the machine in the present invention;

[0028] Figure 4 It is a cross-sectional schematic diagram of the electromagnetic carriage in the present invention;

[0029] Figure 5 is a cross-sectional schematic diagram of the switching mechanism and the anti-splash mechanism in the present invention;

[0030] Figure 6 is a cross-sectional schematic diagram of the rotating shaft and the mask in the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the rotating drum and the polishing disc in the present invention;

[0032] Figure 8 It is an exploded schematic diagram of the rotating shaft and the polishing disc in the present invention;

[0033] Fig. 9 It is a schematic diagram of the structure of the rotating drum and the lifting arm in the present invention;

[0034] Fig.10 It is a structural schematic diagram of the circulation mechanism in the present invention;

[0035] Fig.11 It is a cross-sectional schematic diagram of the pressure sensor and the third lifting plate in the present invention.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] 10. Machine; 11. Robot; 12. Connecting plate; 13. Electromagnetic slide plate; 131. Through hole; 14. Mold;

[0038] 20. Switching mechanism; 21. Rotating shaft; 211. Bump; 22. Polishing disc; 221. Groove; 23. First lifting plate; 231. First slide rail; 232. First pneumatic telescopic rod; 24. First motor; 25. Second lifting plate; 251. Second slide rail; 252. Second pneumatic telescopic rod; 26. Second motor; 27. Rotating drum; 271. Slide groove; 272. Tension spring; 28. Lifting arm; 281. Ring sleeve; 282. Baffle;

[0039] 30. Anti-splash mechanism; 31. Scraper; 32. Shield;

[0040] 40. Circulation mechanism; 41. Pressure sensor; 42. Collection box; 43. Third lifting plate; 44. Material box; 441. Feeding port; 442. Sealing cover; 45. First pump body; 46. Second pump body. DETAILED DESCRIPTION

[0041] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0042] Example 1: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Fig.11 As shown, it is the first embodiment of the present invention, which provides a precision mold surface finishing and polishing equipment, including a machine table 10, a manipulator 11 is provided on one side of the machine table 10, the execution end of the manipulator 11 is fixedly connected to a connecting plate 12, the top of the machine table 10 is fixedly connected to an electromagnetic slide 13, and a plurality of through holes 131 are opened inside the electromagnetic slide 13; a switching mechanism 20, the switching mechanism 20 is arranged on the connecting plate 12, the switching mechanism 20 includes a rotating shaft 21 and a plurality of polishing discs 22; an anti-splash mechanism 30, the anti-splash mechanism 30 is arranged on the switching mechanism 20, and is used to reduce the splash of polishing agent, and the anti-splash mechanism 30 includes a scraper 31; a circulation mechanism 40, the circulation mechanism 40 is arranged below the electromagnetic slide 13, the circulation mechanism 40 is connected to the anti-splash mechanism 30, and is used to collect and recycle the polishing agent, and the circulation mechanism 40 includes a pressure sensor 41.

[0043] It should be noted that a mold 14 is provided on the top of the electromagnetic slide 13, through holes 131 are distributed on the outside of the mold 14, a control component (not shown) is provided inside the machine 10, and the pressure sensor 41 and the switching mechanism 20 are both connected to the control component.

[0044] When the present invention is in use, the mold 14 is placed on the top of the electromagnetic carriage 13. Under the magnetic force of the electromagnetic carriage 13, the mold 14 is adsorbed and fixed on the electromagnetic carriage 13. The manipulator 11 drives the switching mechanism 20 to move on the mold 14 through the connecting plate 12. After the switching mechanism 20 works, the rotating shaft 21 rotates and drives the polishing disc 22 to polish the mold 14. After the circulation mechanism 40 works, the polishing agent is released on the mold 14. During polishing, the polishing agent splashes outward. At this time, the anti-splash mechanism 30 prevents the polishing agent from splashing outward and makes the polishing agent adhere to the anti-splash mechanism 30. When the rotating shaft 21 rotates, it also drives the scraper 31 to rotate, scrapes off the polishing agent attached to the anti-splash mechanism 30, and moves the polishing agent back to the mold 14 for reuse, thereby improving the utilization rate of the polishing agent and the convenience of polishing. The metal dust particles generated during polishing are mixed in the polishing agent and move downward along the outer side of the mold 14. In the process of moving through the through hole 131 to the circulation mechanism 40, under the magnetic force of the electromagnetic carriage 13, the polishing agent The metal dust particles in the polishing agent are adsorbed and fixed on the inner wall of the through hole 131, and the polishing agent is filtered to facilitate the recycling and reuse of the polishing agent. When a certain amount of polishing agent accumulates in the circulation mechanism 40, it drives the pressure sensor 41 to work. The pressure sensor 41 enables the circulation mechanism 40 to extract the accumulated polishing agent after working and move it back to the mold 14, thereby realizing the collection and recycling of the polishing agent, improving the utilization rate of the polishing agent, and improving the convenience of polishing. When a certain amount of polishing agent accumulates in the circulation mechanism 40, it also indicates that the polishing disc 22 has been used for a certain period of time. When the circulation mechanism 40 drives the pressure sensor 41 to work, the pressure sensor 41 also enables the switching mechanism 20 to drive the polishing disc 22 to rotate after working, so that a polishing disc 22 connected to the rotating shaft 21 is switched to another polishing disc 22, thereby realizing the automatic replacement of the polishing disc 22 by the switching mechanism 20 as the polishing agent accumulates in the circulation mechanism 40. Compared with the traditional method in which the operator needs to manually replace the polishing disc 22, the polishing efficiency is improved.

[0045] Example 2: Reference Figure 1-Figure 11 , which is the second embodiment of the present invention, and this embodiment is based on the previous embodiment.

[0046] like Figure 5As shown, the switching mechanism 20 also includes a first lifting plate 23 slidably mounted on one side of the bottom of the connecting plate 12 in the vertical direction, a first motor 24 is fixedly connected to the first lifting plate 23, a rotating shaft 21 is fixedly connected to the output end of the first motor 24, a second lifting plate 25 is slidably mounted on the other side of the bottom of the connecting plate 12 in the vertical direction, a second motor 26 is fixedly connected to the second lifting plate 25, a rotating drum 27 is fixedly connected to the output end of the second motor 26, a plurality of lifting arms 28 are circumferentially arranged on the outer side of the rotating drum 27, the lifting arms 28 are slidably mounted with the rotating drum 27 in the vertical direction, the polishing disc 22 is rotatably connected to the end of the lifting arm 28, and the upper end of the polishing disc 22 is slidably matched with the lower end of the rotating shaft 21 in the vertical direction.

[0047] It should be noted that the first motor 24 and the second motor 26 are both connected to the control component.

[0048] According to the above structure, after the first motor 24 works, the output end drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the polishing disc 22 to rotate on the mold 14 to polish the mold 14. When the polishing disc 22 needs to be replaced, the second lifting plate 25 moves downward along the connecting plate 12, and the second lifting plate 25 drives the second motor 26 and the rotating drum 27 to move downward. The rotating drum 27 drives the polishing disc 22 to move downward through the lifting arm 28, so that the polishing disc 22 is separated from the rotating shaft 21. After the second motor 26 works, the output end drives the rotating drum 27 to rotate, and the rotating drum 27 drives the polishing disc 22 to rotate around the axis of the rotating drum 27 through the lifting arm 28, so that one polishing disc 22 moves out from under the rotating shaft 21, and the other polishing disc 22 moves to under the rotating shaft 21. At this time, the second lifting plate 25 moves upward along the connecting plate 12, so that the other polishing disc 22 is connected to the rotating shaft 21, thereby realizing the replacement of the polishing disc 22.

[0049] Furthermore, during the process of disengaging the rotating shaft 21 from the polishing disk 22, after the first lifting plate 23 moves upward along the connecting plate 12, the distance between the lower end of the rotating shaft 21 and the upper end of the polishing disk 22 is further increased, so as to facilitate the disengagement of the rotating shaft 21 and the polishing disk 22. During the process of connecting the rotating shaft 21 and the polishing disk 22, after the first lifting plate 23 moves downward along the connecting plate 12, the distance between the lower end of the rotating shaft 21 and the upper end of the polishing disk 22 is further reduced, so as to facilitate the connection between the rotating shaft 21 and the polishing disk 22, thereby improving the efficiency of disassembly and assembly of the rotating shaft 21 and the polishing disk 22.

[0050] like Figure 5 and Figure 6 As shown, a first slide rail 231 is provided between the first lifting plate 23 and the connecting plate 12 , the first lifting plate 23 and the connecting plate 12 are slidably connected via the first slide rail 231 , and a first pneumatic telescopic rod 232 is fixedly connected between the first lifting plate 23 and the connecting plate 12 .

[0051] It should be noted that the first pneumatic telescopic rod 232 is fixedly connected to the connecting plate 12 , the output end of the first pneumatic telescopic rod 232 is fixedly connected to the first lifting plate 23 , and the first pneumatic telescopic rod 232 is connected to the control component.

[0052] According to the above structure, after the first pneumatic telescopic rod 232 works, the output end drives the first lifting plate 23 to slide up and down along the connecting plate 12, and the first slide rail 231 makes the sliding process of the first lifting plate 23 along the connecting plate 12 more stable.

[0053] like Figure 5 and Figure 7 As shown, a second slide rail 251 is provided between the second lifting plate 25 and the connecting plate 12 , the second lifting plate 25 and the connecting plate 12 are slidably connected via the second slide rail 251 , and a second pneumatic telescopic rod 252 is fixedly connected between the second lifting plate 25 and the connecting plate 12 .

[0054] It should be noted that the second pneumatic telescopic rod 252 is fixedly connected to the connecting plate 12 , the output end of the second pneumatic telescopic rod 252 is fixedly connected to the second lifting plate 25 , and the second pneumatic telescopic rod 252 is connected to the control component.

[0055] According to the above structure, after the second pneumatic telescopic rod 252 works, the output end drives the second lifting plate 25 to slide up and down along the connecting plate 12, and the second slide rail 251 makes the sliding process of the second lifting plate 25 along the connecting plate 12 more stable.

[0056] like Figure 6 , Figure 7 and Figure 8 As shown, a protrusion 211 is fixedly connected to the lower end of the rotating shaft 21 , and a groove 221 is formed at the upper end of the polishing disc 22 . The groove 221 and the protrusion 211 are slidably matched along the vertical direction.

[0057] It should be noted that the cross-sectional shapes of the protrusion 211 and the groove 221 are rectangular or triangular.

[0058] According to the above structure, during the process of disassembling and assembling the rotating shaft 21 and the polishing disk 22, the protrusion 211 is inserted into the interior of the groove 221 to limit the rotating shaft 21 and the polishing disk 22 in the radial direction, so that the rotating shaft 21 can drive the polishing disk 22 to rotate. After the protrusion 211 is pulled out from the interior of the groove 221, the limitation of the rotating shaft 21 and the polishing disk 22 is released, so that the polishing disk 22 can be replaced easily.

[0059] like Figure 7 and Figure 8As shown, one end of the lifting arm 28 close to the polishing disc 22 is fixedly connected with a ring sleeve 281, and the ring sleeve 281 is rotatably matched with the top of the polishing disc 22. A baffle 282 is provided above the ring sleeve 281, and the baffle 282 is fixedly connected to the top of the polishing disc 22.

[0060] It should be noted that the cross-sectional shape of the baffle 282 is annular, the inner diameter of the baffle 282 is smaller than the diameter of the top of the polishing disk 22 , and the outer diameter of the baffle 282 is larger than the diameter of the top of the polishing disk 22 .

[0061] According to the above structure, during the process of the rotating shaft 21 driving the polishing disc 22 to rotate, the top of the polishing disc 22 rotates inside the ring sleeve 281, and the polishing disc 22 also drives the baffle 282 to rotate together. The baffle 282 prevents the polishing disc 22 from sliding down along the ring sleeve 281, which is convenient for limiting the polishing disc 22 and the lifting arm 28 in the vertical direction. When the polishing disc 22 needs to be removed from the lifting arm 28, the baffle 282 is removed from the top of the polishing disc 22, and the polishing disc 22 is lifted in the vertical direction. The polishing disc 22 is pulled downward from the inside of the ring sleeve 281 so that the top of the polishing disc 22 is separated from the lifting arm 28, thereby removing the polishing disc 22. When the polishing disc 22 needs to be installed on the lifting arm 28, the polishing disc 22 is inserted into the inside of the ring sleeve 281 from the bottom, and the baffle 282 is installed on the top of the polishing disc 22. The polishing disc 22 and the lifting arm 28 are limited in the vertical direction, so as to install the polishing disc 22, thereby improving the convenience of disassembly and assembly of the polishing disc 22 and the lifting arm 28.

[0062] like Fig. 9 As shown, the rotating drum 27 is provided with a slide groove 271 along the circumferential direction, the slide groove 271 is slidably connected to the lifting arm 28 , and a tension spring 272 is fixedly connected between the top of the lifting arm 28 and the slide groove 271 .

[0063] It should be noted that a sliding column is slidably provided on one end of the lifting arm 28 close to the rotating drum 27, and both ends of the sliding column are fixedly connected to the sliding groove 271, so as to make the lifting arm 28 slide up and down along the sliding groove 271 more stable. In the initial state, the tension spring 272 is in a slightly stretched state, and the upward pulling force of the tension spring 272 on the lifting arm 28 under the action of elasticity is balanced with the downward pulling force of the lifting arm 28 on the tension spring 272 under the action of gravity.

[0064] According to the above structure, the rotating drum 27 drives the polishing disc 22 to move upward through the lifting arm 28, so that the polishing disc 22 is connected to the rotating shaft 21, and the second lifting plate 25 continues to drive the rotating drum 27 to move upward, so that the lifting arm 28 moves downward along the slide groove 271. At this time, the tension spring 272 is further stretched by the lifting arm 28, so that the size in the vertical direction increases. The remaining polishing disc 22 is still in a slightly stretched state due to its tension spring 272, so that the remaining polishing disc 22 is at a higher height position than the polishing disc 22 connected to the rotating shaft 21, thereby avoiding the interference between the remaining polishing disc 22 and the mold 14 during the polishing process.

[0065] like Figure 5 , Figure 6 and Figure 8 As shown, the splash-proof mechanism 30 also includes a shield 32 arranged outside the rotating shaft 21, the shield 32 is fixedly connected to the bottom of the first lifting plate 23, and a scraper 31 is arranged inside the shield 32, one end of the scraper 31 is fixedly connected to the rotating shaft 21, and the other end of the scraper 31 abuts against the inner wall of the shield 32.

[0066] It should be noted that a notch is provided on one side of the shield 32 close to the rotating drum 27 , and the width of the notch is larger than the width of the lifting arm 28 , so that the lifting arm 28 can drive the polishing disc 22 to move up and down.

[0067] According to the above structure, the first motor 24 drives the rotating shaft 21 to rotate, and the rotating shaft 21 drives the polishing disc 22 to rotate and polish the mold 14. During polishing, the polishing agent splashed is blocked by the mask 32, so that the polishing agent adheres to the inner wall of the mask 32, thereby reducing the polishing agent splashing outward and causing inconvenience to the equipment and operators. When the rotating shaft 21 rotates, it also drives the scraper 31 to rotate, so that the end of the scraper 31 close to the mask 32 rotates along the inner wall of the mask 32, scraping off the polishing agent attached to the inner wall of the mask 32, so that the polishing agent falls onto the mold 14 for reuse, thereby reducing the waste of the polishing agent and improving the utilization rate of the polishing agent.

[0068] like Fig.10 and Fig.11As shown, the circulation mechanism 40 also includes a collecting box 42 arranged below the electromagnetic drag plate 13, a pressure sensor 41 is fixedly connected to the inner side of the bottom of the collecting box 42, a third lifting plate 43 is provided above the pressure sensor 41, and the third lifting plate 43 is slidably connected to the collecting box 42 along the vertical direction, a material box 44 is fixedly connected to the first lifting plate 23, a first pump body 45 is provided between the material box 44 and the collecting box 42, the first pump body 45 is fixedly connected to the first lifting plate 23, an input end of the first pump body 45 is connected to the collecting box 42, and an output end of the first pump body 45 is connected to the material box 44, a second pump body 46 is provided between the material box 44 and the cover 32, the second pump body 46 is fixedly connected to the first lifting plate 23, an input end of the second pump body 46 is connected to the material box 44, and an output end of the second pump body 46 is connected to the lower end of the outer wall of the cover 32.

[0069] It should be noted that the first pump body 45 and the second pump body 46 are both connected to the control component.

[0070] According to the above structure, the polishing agent falls into the interior of the collecting box 42 after passing through the through hole 131. After the polishing agent accumulates on the third lifting plate 43, it presses down the third lifting plate 43 under the action of its own gravity, so that the third lifting plate 43 presses down the pressure sensor 41, changing the pressure value detected by the pressure sensor 41. When the pressure value reaches the expected value, the first pump body 45 extracts the polishing agent in the collecting box 42 after working and moves the polishing agent to the material box 44 for recycling and storage. After the second pump body 46 works, it extracts the polishing agent in the material box 44 and moves the polishing agent to the mold 14 under the mask 32, thereby realizing the recycling of the polishing agent, improving the utilization rate of the polishing agent, and improving the convenience of polishing.

[0071] like Fig.10 As shown, a feeding port 441 is provided on the top of the material box 44 , and a sealing cover 442 is detachably connected to the end of the feeding port 441 .

[0072] It should be noted that the sealing cover 442 and the feeding port 441 are threadedly connected or slidably connected.

[0073] According to the above structure, when the polishing agent needs to be replenished, the sealing cover 442 is removed from the feeding port 441, and the polishing agent is placed into the interior of the material box 44 through the feeding port 441. After the placement is completed, the sealing cover 442 is connected to the feeding port 441 to close the feeding port 441, so that the polishing agent is replenished in the material box 44. When the polishing agent is consumed excessively during the recycling process, the polishing agent is replenished to improve the stability of the recycling process of the polishing agent.

[0074] The working principle of the present invention is as follows: during polishing, after the switching mechanism 20 works, the rotating shaft 21 rotates and drives the polishing disc 22 to polish the mold 14; the splash-proof mechanism 30 prevents the polishing agent from splashing outward and scrapes off the polishing agent attached to the splash-proof mechanism 30 as the rotating shaft 21 rotates, so that the polishing agent is moved back to the mold 14 for reuse, thereby improving the utilization rate of the polishing agent and the convenience of polishing; when the polishing agent falls into the circulation mechanism 40 and accumulates a certain amount, it drives the pressure sensor 41 to work; the pressure sensor 41 enables the circulation mechanism 40 to extract the accumulated polishing agent after working and move it back to the mold 14, thereby realizing the collection and recycling of the polishing agent and improving the utilization rate of the polishing agent; and the pressure sensor 41 also enables the switching mechanism 20 to drive the polishing disc 22 to rotate after working, so that one polishing disc 22 connected to the rotating shaft 21 is switched to another polishing disc 22, thereby realizing that the switching mechanism 20 automatically replaces the polishing disc 22 as the polishing agent accumulates in the circulation mechanism 40, thereby improving the efficiency of polishing.

[0075] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A precision mold surface finishing and polishing equipment, characterized in that: include: A machine platform (10), wherein a manipulator (11) is provided on one side of the machine platform (10), an execution end of the manipulator (11) is fixedly connected to a connection plate (12), and an electromagnetic slide plate (13) is fixedly connected to the top of the machine platform (10), wherein a plurality of through holes (131) are provided inside the electromagnetic slide plate (13); A switching mechanism (20), the switching mechanism (20) being arranged on the connecting plate (12), the switching mechanism (20) comprising a rotating shaft (21) and a plurality of polishing discs (22); an anti-splash mechanism (30), the anti-splash mechanism (30) being arranged on the switching mechanism (20) and used to reduce splashing of polishing agent, the anti-splash mechanism (30) comprising a scraper (31); A circulation mechanism (40), the circulation mechanism (40) being arranged below the electromagnetic drag plate (13), the circulation mechanism (40) being connected to the splash-proof mechanism (30) and being used for collecting and recycling the polishing agent, the circulation mechanism (40) comprising a pressure sensor (41); The switching mechanism (20) drives the anti-splash mechanism (30) to operate after it is in operation, so that the scraper (31) scrapes off the splashed polishing agent, and the polishing agent flows into the circulation mechanism (40) to drive the pressure sensor (41) to operate, so that the circulation mechanism (40) drives the polishing agent to be circulated, and the pressure sensor (41) also causes the polishing disc (22) to rotate and then connect to the rotating shaft (21) to switch the polishing disc (22); The switching mechanism (20) further comprises a first lifting plate (23) slidably mounted on one side of the bottom of the connecting plate (12) in the vertical direction, a first motor (24) being fixedly connected to the first lifting plate (23), the rotating shaft (21) being fixedly connected to the output end of the first motor (24), a second lifting plate (25) being slidably mounted on the other side of the bottom of the connecting plate (12) in the vertical direction, a second motor (26) being fixedly connected to the second lifting plate (25), a rotating drum (27) being fixedly connected to the output end of the second motor (26), a plurality of lifting arms (28) being circumferentially arranged on the outer side of the rotating drum (27), the lifting arms (28) being slidably mounted with the rotating drum (27) in the vertical direction, the polishing disc (22) being rotatably connected to the end of the lifting arm (28), the upper end of the polishing disc (22) being slidably matched with the lower end of the rotating shaft (21) in the vertical direction; A ring sleeve (281) is fixedly connected to one end of the lifting arm (28) close to the polishing disc (22); the ring sleeve (281) is rotatably matched with the top of the polishing disc (22); a baffle (282) is provided above the ring sleeve (281); and the baffle (282) is fixedly connected to the top of the polishing disc (22); The rotating drum (27) is provided with a slide groove (271) along the circumferential direction, the slide groove (271) is slidably connected to the lifting arm (28), and a tension spring (272) is fixedly connected between the top of the lifting arm (28) and the slide groove (271); The splash-proof mechanism (30) further comprises a shield (32) arranged outside the rotating shaft (21), the shield (32) being fixedly connected to the bottom of the first lifting plate (23), the scraper (31) being arranged inside the shield (32), one end of the scraper (31) being fixedly connected to the rotating shaft (21), and the other end of the scraper (31) being in contact with the inner wall of the shield (32).

2. The precision mold surface finishing and polishing equipment according to claim 1 is characterized in that: A first slide rail (231) is provided between the first lifting plate (23) and the connecting plate (12); the first lifting plate (23) and the connecting plate (12) are slidably connected via the first slide rail (231); and a first pneumatic telescopic rod (232) is fixedly connected between the first lifting plate (23) and the connecting plate (12).

3. The precision mold surface finishing and polishing equipment according to claim 2 is characterized in that: A second slide rail (251) is provided between the second lifting plate (25) and the connecting plate (12); the second lifting plate (25) and the connecting plate (12) are slidably connected via the second slide rail (251); and a second pneumatic telescopic rod (252) is fixedly connected between the second lifting plate (25) and the connecting plate (12).

4. The precision mold surface finishing and polishing equipment according to claim 1, characterized in that: A protrusion (211) is fixedly connected to the lower end of the rotating shaft (21), and a groove (221) is provided at the upper end of the polishing disc (22), wherein the groove (221) and the protrusion (211) are slidably matched in a vertical direction.

5. The precision mold surface finishing and polishing equipment according to claim 1, characterized in that: The circulation mechanism (40) further comprises a collection box (42) arranged below the electromagnetic drag plate (13); the pressure sensor (41) is fixedly connected to the inner side of the bottom of the collection box (42); a third lifting plate (43) is provided above the pressure sensor (41); the third lifting plate (43) is slidably connected to the collection box (42) in a vertical direction; a material box (44) is fixedly connected to the first lifting plate (23); a first pump body (45) is provided between the material box (44) and the collection box (42); the first pump body (45) The first pump body (45) is fixedly connected to the first lifting plate (23), the input end of the first pump body (45) is connected to the collecting box (42), the output end of the first pump body (45) is connected to the material box (44), a second pump body (46) is provided between the material box (44) and the shield (32), the second pump body (46) is fixedly connected to the first lifting plate (23), the input end of the second pump body (46) is connected to the material box (44), and the output end of the second pump body (46) is connected to the lower end of the outer wall of the shield (32).

6. The precision mold surface finishing and polishing equipment according to claim 5, characterized in that: A feeding port (441) is provided on the top of the material box (44), and a sealing cover (442) is detachably connected to the end of the feeding port (441).

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