CN217493770U - Fine grinding device for molded surface of stamping die - Google Patents

Abstract

The utility model relates to the technical field of polishing, in particular to a fine polishing device for the molded surface of a stamping die, which can reduce the temperature of a polishing belt while polishing the die, avoid the influence of high temperature on the polishing belt and other equipment, prolong the service life of the polishing belt, save the cost and have high economy and reliability; the novel water-saving device comprises a base plate, the extension board, the connecting plate, the axle of intaking, the drainage axle, the apparatus further comprises a rotating shaft, the abrasive tape, two sets of rotary joint, elevating gear, back-and-forth movement device, drive arrangement, heat abstractor and clamping device, the equal fixed mounting of two sets of extension boards is in the bottom plate upper end, connecting plate fixed mounting is in the upper end of two sets of extension boards, the axle of intaking rotates respectively with the drainage axle and installs on two sets of extension boards, the axle of intaking is coaxial with the drainage axle, the inside of the axle of intaking all is provided with the cavity with the drainage axle, both ends are the opening about the axle of intaking and drainage axle, both ends are fixed mounting respectively on the axle of intaking and drainage axle about the pivot.

Description

Fine grinding device for molded surface of stamping die

Technical Field

The utility model relates to a technical field who polishes especially relates to a meticulous grinding device of stamping die profile.

Background

The stamping die is a special process device for processing materials into parts in cold stamping, and has wide application in the field of stamping. The plane of the upper end of the stamping die needs to be polished to be smooth in the machining process of the stamping die, so that polishing in the later period of the stamping die is facilitated. The existing grinding device is found in the grinding process of a stamping die, and because the grinding device is easily heated due to high temperature generated in the grinding process, the physical performance of the grinding device in the working process at a high temperature state is easily influenced, so that the service life of the grinding device is short, and the economical efficiency and the reliability are poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a can reduce the temperature of abrasive band when polishing to the mould, avoid high temperature to grinding band and other equipment to produce the influence, improved the life of abrasive band, practiced thrift the cost, the meticulous grinding device of stamping die profile that economic nature and reliability are high.

The utility model relates to a stamping die profile fine grinding device, which comprises a bottom plate, support plates, a connecting plate, a water inlet shaft, a drainage shaft, a rotating shaft, a grinding belt, two groups of rotary joints, a lifting device, a back-and-forth moving device, a driving device, a heat dissipation device and a clamping device, wherein the two groups of support plates are both fixedly arranged at the upper end of the bottom plate, the connecting plate is fixedly arranged at the upper ends of the two groups of support plates, the water inlet shaft and the drainage shaft are respectively and rotatably arranged on the two groups of support plates, the water inlet shaft and the drainage shaft are coaxial, cavities are respectively arranged inside the water inlet shaft and the drainage shaft, the left end and the right end of the water inlet shaft and the drainage shaft are both provided with openings, the left end and the right end of the rotating shaft are respectively and fixedly arranged on the water inlet shaft and the drainage shaft, a cavity is arranged inside the rotating shaft, the right part of the water inlet shaft and the left part of the drainage shaft are both communicated with the cavity of the rotating shaft, the grinding belt is fixedly arranged on the outer surface of the rotating shaft, the two groups of rotary joints are respectively and fixedly arranged on the two groups of support plates, the water discharging shaft and the water inlet shaft are respectively rotatably mounted with the two groups of rotary joints, the output end of the water discharging shaft is connected with the right rotary joint, the input end of the water inlet shaft is connected with the left rotary joint, the input end of the left rotary joint is connected with the output end of the heat dissipation device, the output end of the right rotary joint is connected with the input end of the heat dissipation device, the lifting device is mounted on the bottom plate, the front-back moving device is mounted on the lifting device, the clamping device is mounted on the front-back moving device, the clamping device is located below the grinding belt, the driving device is mounted on the connecting plate and the water discharging shaft, and the driving device is used for driving the rotation of the water discharging shaft; firstly, a mould to be polished is clamped and fixed by a clamping device at the upper end of a back-and-forth moving device, so that the molded surface to be polished on the mould is positioned at the uppermost end, then a driving device is opened, the driving device drives a rotating shaft to drive a grinding belt to rotate at a high speed through a drainage shaft, then the lifting device is opened, the lifting device enables the clamping device to drive the mould to rise through the front-back moving device until the surface of the mould to be polished is contacted with the rotary grinding belt, then the clamping device drives the mould to move back and forth through the front-back moving device, the mould is polished by the rotary grinding belt in the front-back moving process, meanwhile, the heat generated by the grinding belt in the grinding process is transferred to the cooling water in the rotating shaft cavity through the outer side wall of the rotating shaft, cooling the grinding belt by cooling water through the outer side wall of the rotating shaft to avoid overhigh temperature of the grinding belt, and then returning the cooling water in the cavity of the rotating shaft into the cavity of the rotating shaft for recycling after the cooling water enters the heat dissipation device for heat dissipation and cooling; the temperature of the grinding belt in the grinding process can be reduced, the grinding belt and other equipment are prevented from being affected by high temperature, the service life of the grinding belt is prolonged, the cost is saved, and the economical efficiency and the reliability are high.

Preferably, the driving device comprises a first chain wheel, a second chain wheel, a chain, a driving shaft, a fixing plate and a driving motor, the first chain wheel is fixedly arranged on the drainage shaft, the first chain wheel is in transmission connection with the second chain wheel through the chain, the second chain wheel is fixedly arranged at the right end of the driving shaft, the driving shaft is rotatably arranged on the fixing plate, the fixing plate is fixedly arranged at the lower end of the connecting plate, the left end of the driving shaft is connected with the output end of the driving motor, and the driving motor is fixedly arranged at the lower end of the connecting plate; turning on a driving motor, enabling a second chain wheel to rotate by the driving motor through a driving shaft, enabling a first chain wheel to drive a drainage shaft to rotate through a chain by the second chain wheel, and enabling the drainage shaft to drive a rotating shaft to rotate; the rotation of the drainage shaft is facilitated, and the convenience is improved.

Preferably, the clamping device comprises a supporting platform, a screw rod, sliding blocks, clamping plates and a handle, the supporting platform is fixedly arranged at the upper end of the front-back moving device, the screw rod is rotatably arranged on the supporting platform, the left part and the right part of the screw rod are provided with external threads with opposite rotation directions, the two groups of sliding blocks are arranged on the supporting platform in a left-right sliding mode, the two groups of sliding blocks are respectively screwed with the left part and the right part of the screw rod, the two groups of clamping plates are respectively fixedly arranged at the upper ends of the two groups of sliding blocks, and the handle is fixedly arranged at the left end of the screw rod; rotating the handle, driving the screw rod to rotate by the handle, enabling the two groups of clamping plates to be close to each other by the rotating screw rod through the sliding block, then placing the mold to be polished on the two groups of clamping plates, enabling the molded surface to be polished on the mold to be positioned at the upper end, then continuing enabling the two groups of clamping plates to be close to each other until the two groups of clamping plates clamp and fix the mold; because the distance between two sets of splint can be adjusted, so its mould that can the fixed different width of centre gripping, convenient to use, the limitation is low, and the practicality is high.

Preferably, the heat dissipation device comprises a water outlet pipe, a radiator, a water pipe, a first water pump, a return pipe, a water tank, a water inlet pipe and a second water pump, wherein the input end of the water outlet pipe is connected with the output end of the right rotary joint, the output end of the water outlet pipe is connected with the input end of the radiator, the radiator is fixedly arranged on a support plate on the right side, the output end of the radiator is connected with the input end of the first water pump through the water pipe, the water tank is fixedly arranged at the upper end of the bottom plate, a water storage cavity is arranged in the water tank, the output end of the first water pump is communicated with the water storage cavity of the water tank through the return pipe, the input end of the water inlet pipe is communicated with the water storage cavity of the water tank, the output end of the water inlet pipe is connected with the input end of the left rotary joint through the second water pump, and the second water pump is fixedly arranged at the upper end of the water tank; opening a first water pump to enable cooling water in a cavity of the rotating shaft to enter a radiator through a water discharging shaft, a rotary joint on the right side and a water discharging pipe in sequence, then cooling the cooling water in the radiator, enabling the cooled cooling water to enter a water tank through a water conveying pipe, the first water pump and a return pipe, then opening a second water pump to enable the cooling water in a water storage cavity of the water tank to enter a water inlet shaft through a water inlet pipe, the second water pump and the rotary joint on the left side in sequence, and then enabling the cooling water to enter the cavity of the rotating shaft through the water inlet shaft for recycling; the cooling of cooling water is facilitated, the cooling water can be recycled, and the convenience is improved.

Preferably, a liquid level meter is arranged on the water tank; through the arrangement, the liquid level in the water tank can be conveniently monitored.

Preferably, the outer layer of the connecting plate is provided with an antirust coating; through the arrangement, the contact between the connecting plate and the air is reduced, the rustiness of the connecting plate is delayed, and the service life of the connecting plate is prolonged.

Preferably, the front part of the upper end of the bottom plate is provided with a baffle plate; through the arrangement, the iron chips generated in the polishing process are prevented from being sputtered onto the body of a worker in front of the bottom plate, and the safety is improved.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a mould to be polished is clamped and fixed by a clamping device at the upper end of a back-and-forth moving device, so that the molded surface to be polished on the mould is positioned at the uppermost end, then a driving device is opened, the driving device drives a rotating shaft to drive a grinding belt to rotate at a high speed through a drainage shaft, then the lifting device is opened, the lifting device enables the clamping device to drive the mould to rise through the front-back moving device until the surface of the mould to be polished is contacted with the rotary grinding belt, then the clamping device drives the mould to move back and forth through the front-back moving device, the mould is polished by the rotary grinding belt in the front-back moving process, meanwhile, the heat generated by the grinding belt in the grinding process is transferred to the cooling water in the rotating shaft cavity through the outer side wall of the rotating shaft, cooling the grinding belt by cooling water through the outer side wall of the rotating shaft to avoid overhigh temperature of the grinding belt, and then returning the cooling water in the cavity of the rotating shaft into the cavity of the rotating shaft for recycling after the cooling water enters the heat dissipation device for heat dissipation and cooling; the temperature of the grinding belt in the grinding process can be reduced, the grinding belt and other equipment are prevented from being affected by high temperature, the service life of the grinding belt is prolonged, the cost is saved, and the economical efficiency and the reliability are high.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the rotary shaft, rotary joint, water inlet shaft, etc.;

FIG. 3 is a schematic structural diagram of a support table, a slide block, a lead screw and the like;

FIG. 4 is a schematic view of the structure of the driving motor, the fixing plate, the second sprocket and the like;

in the drawings, the reference numbers: 1. a base plate; 2. a support plate; 3. a connecting plate; 4. a water inlet shaft; 5. a drainage shaft; 6. a rotating shaft; 7. a grinding belt; 8. a rotary joint; 9. a lifting device; 10. a forward and backward moving device; 11. a first sprocket; 12. a second sprocket; 13. a chain; 14. a drive shaft; 15. a fixing plate; 16. a drive motor; 17. a support platform; 18. a lead screw; 19. a slider; 20. a splint; 21. a handle; 22. a water outlet pipe; 23. a heat sink; 24. a water delivery pipe; 25. a first water pump; 26. a return pipe; 27. a water tank; 28. a water inlet pipe; 29. and a second water pump.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Two groups of support plates 2 are fixedly arranged at the upper end of a bottom plate 1, a connecting plate 3 is fixedly arranged at the upper ends of the two groups of support plates 2, a water inlet shaft 4 and a water discharge shaft 5 are respectively rotatably arranged on the two groups of support plates 2, the water inlet shaft 4 and the water discharge shaft 5 are coaxial, cavities are respectively arranged inside the water inlet shaft 4 and the water discharge shaft 5, the left end and the right end of the water inlet shaft 4 and the water discharge shaft 5 are respectively opened, the left end and the right end of a rotating shaft 6 are respectively fixedly arranged on the water inlet shaft 4 and the water discharge shaft 5, a cavity is arranged inside the rotating shaft 6, the right part of the water inlet shaft 4 and the left part of the water discharge shaft 5 are respectively communicated with the cavity of the rotating shaft 6, a grinding belt 7 is coated and fixedly arranged on the outer surface of the rotating shaft 6, the two groups of rotating joints 8 are respectively fixedly arranged on the two groups of support plates 2, the water discharge shaft 5 and the water inlet shaft 4 are respectively rotatably arranged with the two groups of rotating joints 8, the output end of the water discharge shaft 5 is connected with the rotating joint 8 on the right side, the input end of the water inlet shaft 4 is connected with the rotating joint 8 on the left side, the lifting device 9 is arranged on the bottom plate 1, the back-and-forth moving device 10 is arranged on the lifting device 9, a first chain wheel 11 is fixedly arranged on the drainage shaft 5, the first chain wheel 11 is in transmission connection with a second chain wheel 12 through a chain 13, the second chain wheel 12 is fixedly arranged at the right end of a driving shaft 14, the driving shaft 14 is rotatably arranged on a fixed plate 15, the fixed plate 15 is fixedly arranged at the lower end of a connecting plate 3, the left end of the driving shaft 14 is connected with the output end of a driving motor 16, the driving motor 16 is fixedly arranged at the lower end of the connecting plate 3, a support 17 is fixedly arranged at the upper end of the back-and-forth moving device 10, a screw 18 is rotatably arranged on the support 17, the left part and the right part of the screw 18 are provided with external threads with opposite rotation directions, two groups of sliders 19 are respectively and leftwards slidably arranged on the support 17, the two groups of sliders 19 are respectively in threaded installation with the left part and the right part of the screw 18, and two groups of clamping plates 20 are respectively and fixedly arranged at the upper ends of the two groups of sliders 19, the handle 21 is fixedly installed at the left end of the screw 18, the input end of the water outlet pipe 22 is connected with the output end of the right rotary joint 8, the output end of the water outlet pipe 22 is connected with the input end of the radiator 23, the radiator 23 is fixedly installed on the support plate 2 on the right side, the output end of the radiator 23 is connected with the input end of the first water pump 25 through the water conveying pipe 24, the water tank 27 is fixedly installed at the upper end of the bottom plate 1, a water storage cavity is arranged inside the water tank 27, the output end of the first water pump 25 is communicated with the water storage cavity of the water tank 27 through the return pipe 26, the input end of the water inlet pipe 28 is communicated with the water storage cavity of the water tank 27, the output end of the water inlet pipe 28 is connected with the input end of the left rotary joint 8 through the second water pump 29, and the second water pump 29 is fixedly installed at the upper end of the water tank 27; firstly, a handle 21 is rotated, the handle 21 drives a screw 18 to rotate, the rotating screw 18 enables two groups of clamping plates 20 to approach each other through a sliding block 19, then a mould to be polished is placed on the two groups of clamping plates 20, the molded surface to be polished on the mould is positioned at the upper end, then the two groups of clamping plates 20 continue to approach each other until the two groups of clamping plates 20 clamp and fix the mould, then a driving motor 16 is started, the driving motor 16 enables a second chain wheel 12 to rotate through a driving shaft 14, the second chain wheel 12 enables a first chain wheel 11 to drive a drainage shaft 5 to rotate through a chain 13, the drainage shaft 5 drives a rotating shaft 6 to rotate, the rotating shaft 6 drives a grinding belt 7 to rotate at a high speed, then a lifting device 9 is started, the lifting device 9 enables a supporting platform 17 to drive two groups of sliding blocks 19 to ascend through a front-back moving device 10, the two groups of sliding blocks 19 enable the mould to ascend through the two groups of clamping plates 20, until the surface to be polished on the mould is contacted with the rotating grinding belt 7, then the support 17 drives the two sets of slide blocks 19 to move back and forth through the back-and-forth moving device 10, the two sets of slide blocks 19 drive the mold to move back and forth through the two sets of clamping plates 20, the mold is polished by the rotating grinding belt 7 in the back-and-forth moving process, simultaneously the heat generated in the polishing process of the grinding belt 7 is transferred to the cooling water in the cavity of the rotating shaft 6 through the outer side wall of the rotating shaft 6, the cooling water cools the grinding belt 7 through the outer side wall of the rotating shaft 6, then the first water pump 25 is started, the cooling water in the cavity of the rotating shaft 6 sequentially enters the radiator 23 through the water drainage shaft 5, the rotating joint 8 on the right side and the water outlet pipe 22, then the cooling water is cooled in the radiator 23, the cooled cooling water enters the water tank 27 through the water conveying pipe 24, the first water pump 25 and the return pipe 26, and then the second water pump 29 is started, so that the cooling water in the water storage cavity of the water tank 27 sequentially enters the water inlet pipe 28, The second water pump 29 and the left rotary joint 8 enter the water inlet shaft 4, and then the cooling water enters the cavity of the rotating shaft 6 again through the water inlet shaft 4 for recycling; the temperature of the grinding belt 7 can be reduced while the mold is ground, the influence of high temperature on the grinding belt 7 and other equipment is avoided, the service life of the grinding belt 7 is prolonged, the cost is saved, and the economy and the reliability are high.

As shown in fig. 1 to 4, the fine grinding device for the profile of the stamping die of the present invention, when in operation, firstly, the handle 21 is rotated, the handle 21 drives the lead screw 18 to rotate, the rotated lead screw 18 makes the two sets of clamping plates 20 approach each other through the slider 19, then the die to be ground is placed on the two sets of clamping plates 20, the profile to be ground on the die is positioned at the upper end, then the two sets of clamping plates 20 continue to approach each other until the two sets of clamping plates 20 clamp the die tightly, then the driving motor 16 is turned on, the driving motor 16 rotates the second chain wheel 12 through the driving shaft 14, the second chain wheel 12 rotates the first chain wheel 11 through the chain 13 to drive the drainage shaft 5 to rotate, the drainage shaft 5 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the grinding belt 7 to rotate at high speed, then the lifting device 9 is turned on, the lifting device 9 makes the supporting platform 17 drive the two sets of sliders 19 to rise through the back-and-forth movement device 10, two groups of sliding blocks 19 enable the mould to rise through two groups of clamping plates 20 until the surface to be polished on the mould is contacted with a rotating grinding belt 7, then a back-and-forth moving device 10 enables a support platform 17 to drive the two groups of sliding blocks 19 to move back and forth, the two groups of sliding blocks 19 enable the mould to move back and forth through two groups of clamping plates 20, the mould is polished by the rotating grinding belt 7 in the back-and-forth moving process, simultaneously heat generated in the polishing process of the grinding belt 7 is transmitted to cooling water in a cavity of a rotating shaft 6 through the outer side wall of the rotating shaft 6, the cooling water cools the grinding belt 7 through the outer side wall of the rotating shaft 6, then a first water pump 25 is started to enable the cooling water in the cavity of the rotating shaft 6 to enter a radiator 23 through a water discharging shaft 5, a rotating joint 8 on the right side and a water outlet pipe 22 in sequence, then the cooling water is cooled in the radiator 23, and the cooled cooling water enters a water tank 27 through a water conveying pipe 24, the first water pump 25 and a return pipe 26, and then the second water pump 29 is started, so that the cooling water in the water storage cavity of the water tank 27 enters the water inlet shaft 4 through the water inlet pipe 28, the second water pump 29 and the left rotary joint 8 in sequence, and then the cooling water enters the cavity of the rotating shaft 6 again through the water inlet shaft 4 for recycling.

The utility model discloses a fine grinding device for the molded surface of a stamping die, the installation mode, the connection mode or the setting mode of the fine grinding device are common mechanical modes, and the fine grinding device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a meticulous grinding device of stamping die profile's pivot 6, abrasive band 7, rotary joint 8, elevating gear 9, back-and-forth movement device 10, splint 20, radiator 23 and water tank 27 are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A fine grinding device for a molded surface of a stamping die is characterized by comprising a base plate (1), support plates (2), a connecting plate (3), a water inlet shaft (4), a water discharge shaft (5), a rotating shaft (6), a grinding belt (7), two groups of rotary joints (8), a lifting device (9), a front-back moving device (10), a driving device, a heat dissipation device and a clamping device, wherein the two groups of support plates (2) are fixedly arranged at the upper end of the base plate (1), the connecting plate (3) is fixedly arranged at the upper ends of the two groups of support plates (2), the water inlet shaft (4) and the water discharge shaft (5) are respectively and rotatably arranged on the two groups of support plates (2), the water inlet shaft (4) and the water discharge shaft (5) are coaxial, cavities are respectively arranged inside the water inlet shaft (4) and the water discharge shaft (5), the left end and the right end of the water inlet shaft (4) and the left end of the water discharge shaft (5) are both open, the left end and the right end of the rotating shaft (6) are respectively and fixedly arranged on the water inlet shaft (4) and the water discharge shaft (5), a cavity is arranged in the rotating shaft (6), the right part of the water inlet shaft (4) and the left part of the water discharge shaft (5) are communicated with the cavity of the rotating shaft (6), the grinding belt (7) is fixedly arranged on the outer surface of the rotating shaft (6) in a coating manner, two groups of rotary joints (8) are respectively and fixedly arranged on two groups of support plates (2), the water discharge shaft (5) and the water inlet shaft (4) are respectively and rotatably arranged with the two groups of rotary joints (8), the output end of the water discharge shaft (5) is connected with the rotary joint (8) on the right side, the input end of the water inlet shaft (4) is connected with the rotary joint (8) on the left side, the input end of the rotary joint (8) on the left side is connected with the output end of a heat dissipation device, the output end of the rotary joint (8) on the right side is connected with the input end of the heat dissipation device, the lifting device (9) is arranged on the bottom plate (1), the back-and-forth movement device (10) is arranged on the lifting device (9), the clamping device is arranged on the front-back moving device (10), the clamping device is positioned below the grinding belt (7), the driving device is arranged on the connecting plate (3) and the drainage shaft (5), and the driving device is used for driving the rotation of the drainage shaft (5).

2. The fine grinding device for the profile of the stamping die is characterized in that the driving device comprises a first chain wheel (11), a second chain wheel (12), a chain (13), a driving shaft (14), a fixing plate (15) and a driving motor (16), the first chain wheel (11) is fixedly arranged on the drainage shaft (5), the first chain wheel (11) is in transmission connection with the second chain wheel (12) through the chain (13), the second chain wheel (12) is fixedly arranged at the right end of the driving shaft (14), the driving shaft (14) is rotatably arranged on the fixing plate (15), the fixing plate (15) is fixedly arranged at the lower end of the connecting plate (3), the left end of the driving shaft (14) is connected with the output end of the driving motor (16), and the driving motor (16) is fixedly arranged at the lower end of the connecting plate (3).

3. The fine grinding device for the profile of the stamping die as claimed in claim 1, wherein the clamping device comprises a supporting table (17), a lead screw (18), sliders (19), clamping plates (20) and a handle (21), the supporting table (17) is fixedly mounted at the upper end of the forward and backward moving device (10), the lead screw (18) is rotatably mounted on the supporting table (17), the left and right parts of the lead screw (18) are provided with external threads with opposite rotation directions, the two groups of sliders (19) are slidably mounted on the supporting table (17) from left to right, the two groups of sliders (19) are respectively screwed with the left and right parts of the lead screw (18), the two groups of clamping plates (20) are respectively fixedly mounted at the upper ends of the two groups of sliders (19), and the handle (21) is fixedly mounted at the left end of the lead screw (18).

4. The fine grinding device for the molded surface of the stamping die as claimed in claim 1, wherein the heat dissipation device comprises a water outlet pipe (22), a radiator (23), a water delivery pipe (24), a first water pump (25), a return pipe (26), a water tank (27), a water inlet pipe (28) and a second water pump (29), the input end of the water outlet pipe (22) is connected with the output end of the right rotary joint (8), the output end of the water outlet pipe (22) is connected with the input end of the radiator (23), the radiator (23) is fixedly installed on the support plate (2) on the right side, the output end of the radiator (23) is connected with the input end of the first water pump (25) through the water delivery pipe (24), the water tank (27) is fixedly installed at the upper end of the base plate (1), a water storage cavity is arranged inside the water tank (27), the output end of the first water pump (25) is communicated with the water storage cavity of the water tank (27) through the return pipe (26), the input of inlet tube (28) communicates with the water storage chamber of water tank (27), and the output of inlet tube (28) passes through second water pump (29) and is connected with the input of left side rotary joint (8), and second water pump (29) fixed mounting is in water tank (27) upper end.

5. The fine grinding device for the molding surface of the stamping die as claimed in claim 4, characterized in that a liquid level meter is arranged on the water tank (27).

6. A stamping die profile fine grinding apparatus as claimed in claim 1, characterized in that the outer layer of the connecting plate (3) is provided with a rust-proof coating.

7. A profile fine grinding apparatus of a press mold according to claim 1, wherein a baffle is provided to a front portion of an upper end of the base plate (1).

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