Die grinding equipment and grinding method

Abstract

The invention discloses mold grinding equipment and a grinding method.The mold grinding equipment comprises a machine body, a moving mechanism is installed in the machine body and comprises a plurality of guide rails, sliding blocks are slidably connected to the guide rails, and the mold grinding equipment further comprises a clamping mechanism, a grinding mechanism, a cooling mechanism, a slag collecting mechanism and a central control mechanism; a rotating pipe is arranged on the grinding mechanism, a grinding disc is detachably connected to the rotating pipe, and the cooling mechanism is used for reducing the temperature of the grinding disc; and the slag collecting mechanism is used for extracting cuttings in the grinding equipment. According to the mold grinding equipment and the grinding method, cuttings can be discharged in real time, the body health of workers is guaranteed, the influence of the cuttings on the grinding equipment is avoided, and normal operation of the equipment is guaranteed; and besides, the grinding disc can be cooled while grinding is conducted, the problems of deformation, softening and the like of the mold with the low melting point in the grinding process are effectively prevented, and therefore the quality of the mold is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of mold grinding equipment, and in particular relates to a mold grinding equipment and a grinding method. Background Art

[0002] With the development of industrial manufacturing, molds play an increasingly important role in the production of refined parts. However, existing mold grinding equipment has some technical bottlenecks, which restricts the improvement of mold processing accuracy and efficiency, and also brings environmental and safety risks.

[0003] First, the existing mold grinding equipment will produce a large amount of chips during the processing. A large amount of chips often float in the air, which not only threatens the health of the workers, but also enters the equipment, accumulating and causing the equipment accuracy to decrease, and even causing equipment failure;

[0004] Secondly, since the grinding disc will generate a lot of heat during the grinding process, the temperature of the grinding disc will rise rapidly. When the grinding disc comes into contact with molds with low melting points such as plastic and fiber, the excessively high temperature will cause such molds to soften and deform, resulting in damage, thus affecting the quality of the final product.

[0005] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0006] The purpose of the present invention is to provide a mold grinding device and a grinding method, which can discharge chips in real time, not only ensuring the health of the staff, but also avoiding the impact of chips on the grinding equipment, ensuring the normal operation of the equipment; in addition, the grinding disc can be cooled during grinding, effectively preventing the mold with a low melting point from deformation, softening and other problems during the grinding process, thereby ensuring the quality of the mold.

[0007] In order to achieve the above-mentioned object, a specific embodiment of the present invention provides a mold grinding device and a grinding method, comprising a machine body, a moving mechanism is installed in the machine body, the moving mechanism comprises a plurality of guide rails, a slider is slidably connected to the guide rails, and further comprises: a clamping mechanism, the clamping mechanism comprises a plurality of first hydraulic pumps and a second hydraulic pump, the second hydraulic pump is fixedly connected to the first hydraulic pump, and the plurality of the second hydraulic pumps are used to clamp the mold;

[0008] A grinding mechanism, wherein a rotating tube is provided on the grinding mechanism, a grinding disc is detachably connected to the rotating tube, a mounting hole matching the rotating tube is provided on the grinding disc, a slag guide groove is provided on the grinding surface of the grinding disc, and a cooling chamber is provided inside the grinding disc;

[0009] A cooling mechanism, wherein the cooling mechanism comprises a refrigeration tank, the refrigeration tank is connected to the cooling chamber, and the cooling gas generated by the refrigeration tank is used to reduce the temperature of the grinding disc;

[0010] A slag collecting mechanism, the slag collecting mechanism comprising an air pump, the air pump is used to extract the chips in the grinding equipment;

[0011] A central control mechanism is provided with a plurality of control modules, and the plurality of control modules are used to control a moving mechanism, a clamping mechanism, a grinding mechanism, a cooling mechanism and a slag collecting mechanism.

[0012] In one or more embodiments of the present invention, the grinding mechanism includes a moving block, the moving block is fixedly connected to the sliding block, a connecting column is fixedly connected to the moving block, the end of the connecting column away from the moving block is fixedly connected to the fixed block, a second bearing is embedded in the fixed block, the rotating tube is fixedly connected to the rotating inner ring of the second bearing, a second motor is fixedly installed on the fixed block, the second motor is fixedly connected to the first gear, and the rotating tube is fixedly connected to a second gear matching the first gear.

[0013] In one or more embodiments of the present invention, a locking groove is provided on the grinding disc, a limiting block is fixedly connected to the rotating tube, a locking nut is threadedly connected to the rotating tube, the thickness of the locking nut is smaller than the depth of the locking groove, and the slag guide groove and the locking groove are connected.

[0014] In one or more embodiments of the present invention, a first air pipe is installed on the refrigeration tank, a first quick connector is installed on the end of the first air pipe away from the refrigeration tank, a first installation groove matching the first quick connector is provided on the moving block, and the cooling mechanism also includes a second air pipe, the second air pipe is installed on the moving block, the second air pipe is rotatably connected in the moving block and is connected to the first installation groove, the end of the second air pipe away from the moving block extends into the rotating tube and is sealed with the rotating tube, a vent is provided at the end of the second air pipe extending into the rotating tube, the vent passes through the rotating tube and the grinding disc, and the vent is connected to the cooling chamber.

[0015] In one or more embodiments of the present invention, an exhaust hole is provided on the grinding disc, and the exhaust hole is communicated with the cooling cavity.

[0016] In one or more embodiments of the present invention, a first exhaust pipe is installed on the exhaust fan, a second quick connector is installed on the end of the first exhaust pipe away from the exhaust fan, a second installation groove matching the second quick connector is provided on the moving block, a connecting groove is provided on the groove wall of the second installation groove, the slag collecting mechanism also includes a second exhaust pipe, the second exhaust pipe is installed in the connecting groove, the end of the second exhaust pipe away from the moving block passes through the second air supply pipe, and the second exhaust pipe is connected to the locking groove.

[0017] In one or more embodiments of the present invention, the outer diameter of the second air extraction pipe is smaller than the inner diameter of the second air delivery pipe, and one end of the second air extraction pipe away from the connecting groove is recessed in the grinding surface of the grinding disc.

[0018] In one or more embodiments of the present invention, a working platform is integrally formed within the machine body, a through groove matching the second hydraulic pump is provided on the working platform, a fixing column matching the second hydraulic pump is fixedly connected to the telescopic rod of the first hydraulic pump, and both the fixing column and the second hydraulic pump include an elastic sleeve.

[0019] In one or more embodiments of the present invention, the clamping mechanism further includes a first motor, to which a placement plate is fixedly connected.

[0020] In order to achieve the above object, a specific embodiment of the present invention provides a mold grinding method, comprising the following steps:

[0021] S1. Place the mold to be polished in the mold polishing equipment;

[0022] S2. Start the central control mechanism, which controls the clamping mechanism to clamp the mold, and the moving mechanism drives the grinding mechanism to move in the machine body to grind the mold; when the grinding mechanism grinds the mold, the cooling mechanism and the slag collecting mechanism execute the instructions issued by the central control mechanism, the slag collecting mechanism extracts the chips from the production line when the mold is grinded, and the cooling mechanism cools down the grinding disc on the grinding mechanism.

[0023] Compared with the prior art, the mold grinding equipment and grinding method of the present invention can discharge chips in real time, which not only ensures the health of the staff, but also avoids the impact of chips on the grinding equipment, ensuring the normal operation of the equipment; in addition, the grinding disc can be cooled during grinding, effectively preventing the mold with a low melting point from deformation, softening and other problems during the grinding process, thereby ensuring the quality of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments recorded in the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a front view of a mold grinding device in one embodiment of the present invention;

[0026] Figure 2 A cross-sectional view of a mold grinding device in one embodiment of the present invention;

[0027] Figure 3 It is a structural schematic diagram of a grinding mechanism of a mold grinding device in one embodiment of the present invention;

[0028] Figure 4 for Figure 3 The structural diagram at A in the middle;

[0029] Figure 5 A partial cross-sectional view of a grinding mechanism of a mold grinding device in one embodiment of the present invention;

[0030] Figure 6 The structure of a grinding disc of a mold grinding device in one embodiment of the present invention is schematically shown. Figure 1 ;

[0031] Figure 7 The structure of a grinding disc of a mold grinding device in one embodiment of the present invention is schematically shown. Figure 2 ;

[0032] Figure 8 A cross-sectional view of a grinding disc of a mold grinding device according to an embodiment of the present invention Figure 1 ;

[0033] Fig. 9 A cross-sectional view of a grinding disc of a mold grinding device according to an embodiment of the present invention Figure 2 .

[0034] Description of main reference numerals:

[0035] 1. Machine body; 11. Working platform; 2. Moving mechanism; 21. Guide rail; 22. Slider; 3. Central control mechanism; 4. Clamping mechanism; 41. First hydraulic pump; 42. Second hydraulic pump; 43. Fixed column; 44. First motor; 45. Placement plate; 5. Grinding mechanism; 51. Moving block; 511. First mounting groove; 512. Second mounting groove; 513. Connecting groove; 514. First bearing; 52. Connecting column; 53. Fixed block; 531. Second motor; 5311. First gear; 532. The second bearing; 54, the rotating tube; 541, the second gear; 542, the limit block; 55, the grinding disc; 551, the cooling chamber; 552, the mounting hole; 553, the locking groove; 554, the slag guide groove; 555, the exhaust hole; 56, the locking nut; 6, the cooling mechanism; 61, the refrigeration tank; 62, the first air pipe; 63, the first quick connector; 64, the second air pipe; 641, the vent; 7, the slag collecting mechanism; 71, the vacuum pump; 72, the first exhaust pipe; 73, the second quick connector; 74, the second exhaust pipe. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0037] like Figures 1 to 9As shown, a mold grinding device in one embodiment of the present invention includes a body 1, a moving mechanism 2 is installed in the body 1, and the moving mechanism 2 includes a plurality of guide rails 21, and a slider 22 is slidably connected to the guide rails 21. The mold grinding device also includes a clamping mechanism 4, a grinding mechanism 5, a cooling mechanism 6, a slag collecting mechanism 7 and a central control mechanism 3. Among them, the clamping mechanism 4 includes a plurality of first hydraulic pumps 41 and a second hydraulic pump 42, and the second hydraulic pump 42 is welded on the telescopic rod of the first hydraulic pump 41, and the plurality of second hydraulic pumps 42 are used to clamp the mold to be ground. A rotating tube 54 is provided on the grinding mechanism 5, and a grinding disc 55 is detachably connected to the rotating tube 54. The grinding disc 55 is provided with a mounting hole 552 matching the rotating tube 54, and a slag guide groove 554 is provided on the grinding surface of the grinding disc 55, and a cooling chamber 551 is provided inside the grinding disc 55. The cooling mechanism 6 includes a refrigeration tank 61, which is connected to the cooling chamber 551. The cooling gas generated by the refrigeration tank 61 is used to reduce the temperature of the grinding disc 55. The slag collecting mechanism 7 includes an air pump 71, which is used to extract the chips in the grinding device. The central control mechanism 3 is equipped with multiple control modules, which can respectively control the moving mechanism 2, the clamping mechanism 4, the grinding mechanism 5, the cooling mechanism 6 and the slag collecting mechanism 7.

[0038] Specifically, the slag guide groove 554 is an arc-shaped groove, and the arc direction of the slag guide groove 554 is the same as the rotation direction of the grinding disc 55 . When grinding the mold, the chips generated by the mold will enter the slag guide groove 554 and then be sucked away by the slag collection mechanism 7 .

[0039] In addition, when grinding the mold, the cooling mechanism 6 will produce cooling gas and pass the cooling gas into the cooling chamber 551 to cool the grinding disc 55 to prevent the grinding disc 55 from being overheated, so that the grinding disc 55 can always maintain a low temperature when rubbing against the mold being grinded, preventing the mold from being deformed and damaged.

[0040] like Figures 1 to 4 As shown, the grinding mechanism 5 includes a moving block 51, which is welded to the slider 22, and a connecting column 52 is integrally formed on the moving block 51, and a fixed block 53 is welded to one end of the connecting column 52 away from the moving block 51. A second bearing 532 is embedded in the fixed block 53, and a rotating tube 54 is interference-fitted on the rotating inner ring of the second bearing 532. A second motor 531 is installed on the fixed block 53, and a first gear 5311 is welded to the rotating rod of the second motor 531, and a second gear 541 matching the first gear 5311 is welded to the rotating tube 54.

[0041] Specifically, when the mold is polished, the second motor 531 is started, and the rotating tube 54 is rotated through the meshing transmission of the first gear 5311 and the second gear 541 .

[0042] like Figure 6 and Figure 7 As shown, in order to facilitate the installation and removal of the grinding disc 55, a locking groove 553 is provided on the grinding disc 55, a limiting block 542 is integrally formed on the rotating tube 54, and a locking nut 56 is threadedly connected to the rotating tube 54. Specifically, the grinding disc 55 is installed between the locking nut 56 and the limiting block 542, and is clamped by the locking nut 56 and the limiting block 542. It is worth noting that the thickness of the locking nut 56 is less than the groove depth of the locking groove 553, so as to prevent the locking nut 56 from contacting the mold and ensure the grinding effect of the grinding disc 55.

[0043] like Figure 2 , Figure 5 , Figure 8 and Fig. 9 As shown, in order to cool down the grinding disc 55 while grinding the mold, a first air pipe 62 is installed on the refrigeration tank 61, and a first quick connector 63 is installed on the end of the first air pipe 62 away from the refrigeration tank 61. A first mounting groove 511 matching the first quick connector 63 is provided on the moving block 51, and the first quick connector 63 is threadedly connected in the first mounting groove 511. The cooling mechanism 6 also includes a second air pipe 64, which is rotatably connected in the moving block 51 and communicated with the first mounting groove 511. One end of the second air pipe 64 away from the moving block 51 extends into the rotating tube 54 and is sealed with the rotating tube 54. A vent 641 is provided on one end of the second air pipe 64 extending into the rotating tube 54, and the vent 641 passes through the rotating tube 54 and the grinding disc 55, and the vent 641 is connected to the cooling chamber 551.

[0044] Specifically, the moving block 51 is embedded with a first bearing 514, and the outer wall of the second air pipe 64 is interference-fitted on the rotating inner ring of the first bearing 514. When grinding the mold, the rotating tube 54 drives the grinding disc 55 and the second air pipe 64 to rotate together, and the refrigeration tank 61 delivers cold air to the second air pipe 64 through the first air pipe 62, the first quick connector 63 and the first mounting groove 511. The cold air in the second air pipe 64 can enter the grinding disc 55 through the vent 641 to cool the grinding disc 55. When the grinding disc 55 contacts the mold, the temperature is low, and the low temperature will be transmitted to the mold, which can prevent the mold from overheating and deformation, and ensure the grinding accuracy.

[0045] In addition, the grinding disc 55 is provided with an exhaust hole 555, which is connected to the cooling chamber 551. This prevents the grinding disc 55 from being damaged due to the increase of air pressure in the grinding disc 55. At the same time, the grinding surface of the grinding disc 55 is also provided with a plurality of small holes, through which cooling gas can be sprayed onto the mold, further reducing the temperature of the mold and protecting the mold.

[0046] like Figures 2 to 9As shown, in order to extract the chips while grinding the mold, a first air extraction pipe 72 is installed on the air extractor 71, and a second quick connector 73 is installed on the end of the first air extraction pipe 72 away from the air extractor 71. A second mounting groove 512 matching the second quick connector 73 is provided on the moving block 51, and the second quick connector 73 is threadedly connected in the second mounting groove 512. A connecting groove 513 is provided on the groove wall of the second mounting groove 512, and the connecting groove 513 connects the second mounting groove 512 with the first mounting groove 511. The slag collecting mechanism 7 also includes a second air extraction pipe 74, which is threadedly connected in the connecting groove 513. The end of the second air extraction pipe 74 away from the moving block 51 passes through the second air supply pipe 64 and the rotating pipe 54, and the end of the second air extraction pipe 74 away from the connecting groove 513 is connected to the locking groove 553.

[0047] Specifically, the slag guide groove 554 and the locking groove 553 are connected, the outer diameter of the second air extraction pipe 74 is smaller than the inner diameter of the second air supply pipe 64, and the second air extraction pipe 74 is located inside the second air supply pipe 64. When grinding the mold, the air extractor 71 is started to generate suction. Because one end of the second air extraction pipe 74 is located inside the locking groove 553, the air in the slag guide groove 554 and the air in the locking groove 553 will enter the second air extraction pipe 74 and be sucked away by the air extractor 71. While the air is flowing, the chips generated during grinding can be sucked away to prevent the chips from floating in the air, which can not only protect the health of the workers, but also prevent the chips from entering the grinding equipment.

[0048] It is worth noting that, in order to ensure the suction capacity of the air extractor 71, the end of the second air extraction pipe 74 away from the connecting groove 513 is recessed in the grinding surface of the grinding disc 55. The second air extraction pipe 74 will not be blocked by the mold during grinding.

[0049] like Figure 1 and Figure 2 As shown, a working platform 11 is integrally formed in the machine body 1, and a through groove matching the second hydraulic pump 42 is opened on the working platform 11. A fixing column 43 matching the second hydraulic pump 42 is welded on the telescopic rod of the first hydraulic pump 41, and both the fixing column 43 and the second hydraulic pump 42 include elastic sleeves.

[0050] Specifically, when clamping the mold, the first hydraulic pump 41 starts to push the second hydraulic pump 42 up, and when the fixed column 43 blocks the through slot on the working platform 11, the first hydraulic pump 41 stops moving, and the second hydraulic pump 42 starts to clamp the mold. Because of the blocking of the fixed column 43, the chips are further protected from entering the clamping mechanism 4, thereby protecting the equipment.

[0051] Furthermore, the clamping mechanism 4 also includes a first motor 44, and a placement plate 45 is welded on the rotating rod of the first motor 44. When the grinding position needs to be adjusted, the placement plate 45 can be controlled to rotate by the first motor 44, so as to facilitate the adjustment of the mold.

[0052] A mold grinding method, which uses a mold grinding device to grind the mold, comprises the following steps:

[0053] S1. Place the mold to be polished in the mold polishing equipment;

[0054] S2, start the central control mechanism 3, the central control mechanism 3 controls the clamping mechanism 4 to clamp the mold, the moving mechanism 2 drives the grinding mechanism 5 to move in the machine body 1 to grind the mold; when the grinding mechanism 5 grinds the mold, the cooling mechanism 6 and the slag collecting mechanism 7 execute the instructions issued by the central control mechanism 3, the slag collecting mechanism 7 extracts the chips from the production line when the mold is grinded, and the cooling mechanism 6 cools down the grinding disc 55 on the grinding mechanism 5.

[0055] When in use, the mold grinding equipment is started, and the clamping mechanism 4 clamps the mold to be polished. At this time, the grinding disc 55 rotates to grind the mold. While the grinding disc 55 is grinding the mold, the cooling mechanism 6 introduces cooling gas into the cooling chamber 551 to cool the grinding disc 55 to prevent thermal deformation of the mold, and the slag collection mechanism 7 starts to pump air to extract the chips generated during grinding and discharge them into the collection device to protect the staff and equipment.

[0056] Compared with the prior art, the mold grinding equipment and grinding method of the present invention can discharge chips in real time, which not only ensures the health of the staff, but also avoids the impact of chips on the grinding equipment, ensuring the normal operation of the equipment; in addition, the grinding disc can be cooled during grinding, effectively preventing the mold with a low melting point from deformation, softening and other problems during the grinding process, thereby ensuring the quality of the mold.

[0057] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0058] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mold polishing device, comprising a body, a moving mechanism installed in the body, the moving mechanism comprising a plurality of guide rails, a slider slidably connected to the guide rails, characterized in that: Also includes: A clamping mechanism, wherein the clamping mechanism comprises a plurality of first hydraulic pumps and a second hydraulic pump, wherein the second hydraulic pump is fixedly connected to the first hydraulic pump, and the plurality of the second hydraulic pumps are used for clamping the mold; A grinding mechanism, wherein a rotating tube is provided on the grinding mechanism, a grinding disc is detachably connected to the rotating tube, a mounting hole matching the rotating tube is provided on the grinding disc, a slag guide groove is provided on the grinding surface of the grinding disc, and a cooling chamber is provided inside the grinding disc; A cooling mechanism, wherein the cooling mechanism comprises a refrigeration tank, the refrigeration tank is connected to the cooling chamber, and the cooling gas generated by the refrigeration tank is used to reduce the temperature of the grinding disc; A slag collecting mechanism, the slag collecting mechanism comprising an air pump, the air pump is used to extract the chips in the grinding equipment; A central control mechanism is provided with a plurality of control modules, and the plurality of control modules are used to control a moving mechanism, a clamping mechanism, a grinding mechanism, a cooling mechanism and a slag collecting mechanism.

2. A mold polishing device according to claim 1, characterized in that: The grinding mechanism includes a moving block, the moving block is fixedly connected to a sliding block, the moving block is fixedly connected to a connecting column, the connecting column is fixedly connected to a fixed block at one end away from the moving block, a second bearing is embedded in the fixed block, the rotating tube is fixedly connected to a rotating inner ring of the second bearing, a second motor is fixedly installed on the fixed block, the second motor is fixedly connected to a first gear, and the rotating tube is fixedly connected to a second gear matching the first gear.

3. A mold polishing device according to claim 2, characterized in that: The grinding disc is provided with a locking groove, the rotating tube is fixedly connected with a limiting block, the rotating tube is threadedly connected with a locking nut, the thickness of the locking nut is smaller than the groove depth of the locking groove, and the slag guide groove and the locking groove are connected.

4. A mold polishing device according to claim 3, characterized in that: A first air pipe is installed on the refrigeration tank, and a first quick connector is installed at one end of the first air pipe away from the refrigeration tank. A first installation groove matching the first quick connector is provided on the moving block. The cooling mechanism also includes a second air pipe, and the second air pipe is installed on the moving block. The second air pipe is rotatably connected in the moving block and is connected to the first installation groove. One end of the second air pipe away from the moving block extends into the rotating tube and is sealed with the rotating tube. A vent is provided at one end of the second air pipe extending into the rotating tube, and the vent passes through the rotating tube and the grinding disc, and the vent is connected to the cooling chamber.

5. A mold polishing device according to claim 4, characterized in that: An exhaust hole is provided on the grinding disc, and the exhaust hole is communicated with the cooling cavity.

6. A mold polishing device according to claim 4, characterized in that: A first air suction pipe is installed on the air suction machine, and a second quick connector is installed at one end of the first air suction pipe away from the air suction machine. A second installation groove matching the second quick connector is provided on the moving block, and a connecting groove is provided on the groove wall of the second installation groove. The slag collecting mechanism also includes a second air suction pipe, and the second air suction pipe is installed in the connecting groove. One end of the second air suction pipe away from the moving block passes through the second air supply pipe, and the second air suction pipe is connected to the locking groove.

7. A mold polishing device according to claim 6, characterized in that: The outer diameter of the second air extraction pipe is smaller than the inner diameter of the second air delivery pipe, and one end of the second air extraction pipe away from the connecting groove is recessed in the grinding surface of the grinding disc.

8. A mold polishing device according to claim 1, characterized in that: A working platform is integrally formed in the body, a through groove matching the second hydraulic pump is opened on the working platform, a fixing column matching the second hydraulic pump is fixedly connected to the telescopic rod of the first hydraulic pump, and both the fixing column and the second hydraulic pump include elastic sleeves.

9. A mold polishing device according to claim 1, characterized in that: The clamping mechanism further comprises a first motor, to which a placing plate is fixedly connected.

10. A mold polishing method, characterized in that: The following steps are involved: S1. Place the mold to be polished in the mold polishing equipment; S2. Start the central control mechanism, which controls the clamping mechanism to clamp the mold, and the moving mechanism drives the grinding mechanism to move in the machine body to grind the mold; when the grinding mechanism grinds the mold, the cooling mechanism and the slag collecting mechanism execute the instructions issued by the central control mechanism, the slag collecting mechanism extracts the chips from the production line when the mold is grinded, and the cooling mechanism cools down the grinding disc on the grinding mechanism.

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