CN211637890U - Stamping device of anti-bounce slide rail shocks resistance - Google Patents
Stamping device of anti-bounce slide rail shocks resistance Download PDFInfo
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- CN211637890U CN211637890U CN201922290228.XU CN201922290228U CN211637890U CN 211637890 U CN211637890 U CN 211637890U CN 201922290228 U CN201922290228 U CN 201922290228U CN 211637890 U CN211637890 U CN 211637890U
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Abstract
The utility model discloses a stamping device of anti bounce-back slide rail shocks resistance, including processing platform and support frame, the inboard activity of support frame is provided with the upper die base, the mould is installed to the bottom detachable of upper die base, the below of upper die base is equipped with the die holder of fixing at the processing bench, the lower mould is installed to the top detachable of die holder, the bottom four corners of upper die base is fixed with the guide bar, the upper surface of processing platform is fixed with the guide cylinder in the position department that corresponds the guide bar, the top of processing platform is fixed with the condenser tube that is located the lower mould both sides, the last cooling nozzle that is equipped with interval distribution of condenser tube, through shock attenuation post fixed connection between processing platform and the coolant tank. The utility model discloses, can accomplish the location installation of mould and bed die fast, it is more convenient to dismantle and change, and can spray cold water cooling to the mould at the in-process of punching press, the effectual too high condition of temperature appears in the mould after having prevented the punching press.
Description
Technical Field
The utility model relates to a slide rail processing technology field specifically is a stamping device of anti bounce-back slide rail shocks resistance.
Background
Stamping is a forming method for obtaining a workpiece of a desired shape and size by applying pressure to a plate, a strip, a pipe, a profile or the like by a press and a die to cause the plate, the strip, the pipe, the profile or the like to undergo recovery deformation or separation, and is one of the main methods for metal plastic working (or press working). In the process of machining the sliding rail, a stamping device can be used for stamping a workpiece produced by the sliding rail. But current stamping device for slide rail processing, to the dismantlement of mould convenient firm inadequately with the installation, the phenomenon of skew takes place easily for the mould among the stamping process, influences the punching press effect of work piece, and can produce certain vibrations among the stamping process, vibrations too big spare part that can lead to in the equipment produces not hard up or drops, simultaneously, the too high condition of temperature can appear in the mould behind the punching press, scalds the staff easily, inconvenient staff's operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stamping device of anti bounce-back slide rail shocks resistance possesses the installation to the mould and dismantles conveniently to possess the advantage of shock attenuation and cooling etc. solved current stamping device for slide rail processing, convenient firm inadequately with the installation to the dismantlement of mould, and do not possess the problem of shock attenuation and cooling etc..
In order to achieve the above object, the utility model provides a following technical scheme: a stamping device of an anti-impact anti-rebound slide rail comprises a processing table and a support frame, wherein the support frame is fixed on the processing table, an upper die base is movably arranged on the inner side of the support frame, an air cylinder is installed at the top of the support frame, a lower pressing plate is fixedly connected to the bottom end of a piston rod of the air cylinder and positioned above the upper die base, an upper die is detachably installed at the bottom of the upper die base, a second threaded rod is fixed at the top of the upper die base, a mounting hole is formed in the upper die base, the second threaded rod penetrates out of the mounting hole, a nut is connected to the top end of the second threaded rod in a threaded mode, a lower die base fixed on the processing table is arranged below the upper die base, a lower die is detachably installed at the top of the lower die base, threaded pipes fixed on the upper die base are, two ends of the second threaded rod are respectively fixed with a clamping block and a rotating handle, four corners of the bottom of the upper die holder are fixed with guide rods, a guide cylinder is fixed on the upper surface of the processing table at a position corresponding to the guide rod, a guide block is arranged in the guide cylinder in a sliding manner, the lower end surface of the guide block is connected with the inner bottom surface of the guide cylinder through a first spring, the guide rod is movably inserted into the guide cylinder, the bottom end of the guide rod is fixedly connected with the upper end surface of the guide block, cooling water pipes positioned at two sides of the lower die are fixed above the processing table, cooling spray heads distributed at equal intervals are arranged on the cooling water pipes, a cooling water tank is arranged below the processing platform, the processing platform is fixedly connected with the cooling water tank through a damping column, the cooling water tank's bottom four corners is installed the fixed bolster foot, install the suction pump on cooling water tank's the outer wall, be used for between suction pump and the condenser tube to send the water hose intercommunication.
Preferably, the upper surface of the processing table is provided with water collecting tanks around the lower die holder, filter screens are arranged in the water collecting tanks, the bottom ends of the water collecting tanks are communicated with the cooling water tank through backflow hoses, positioning rods are fixed on the upper surface of the lower die holder, and positioning holes matched with the positioning rods are formed in the bottom of the lower die.
Preferably, the upper surface of lower mould set up with the punching press recess of last mould looks adaptation, go up the mould and be located the punching press recess directly over, it is equipped with the liftout plate to slide in the punching press recess, pass through second spring coupling between the interior bottom surface of lower terminal surface of liftout plate and punching press recess.
Preferably, the shock absorption column is composed of a telescopic rod and a third spring sleeved on the outer side of the telescopic rod.
Preferably, a rubber pad is bonded on one surface of the lower pressing plate facing the upper die holder, and two ends of the upper die holder are fixedly connected with sliding sleeves which are sleeved on the supporting frame in a sliding manner.
Preferably, the filler has been seted up at cooling water tank's top, be provided with sealed lid on the filler, communicate through the flexible water piping between suction pump and the cooling water tank, the flexible water piping is located and extends to in the cooling water tank and its end intercommunication has the metal to filter the bulb, be equipped with evenly distributed's filtration pore on the metal to filter, suction pump and cylinder all are connected with external power source through the control switch of peripheral hardware.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a cooperation between screwed pipe, first threaded rod, the tight piece of clamp and second threaded rod, mounting hole, the nut that sets up is used down, can accomplish the location installation of mould and bed die fast, and the installation is more firm, has effectively prevented to appear the phenomenon of skew between the stamping process middle and upper die and the bed die, has strengthened stamping process's stability, and adopts this kind of mounting means, and is more convenient, save time with changing the dismantlement of last mould and bed die.
Two, the utility model discloses a guide bar, the guide block that set up, under mutually supporting between first spring and the guide cylinder, can drive the upper die base after the work piece punching press is accomplished and resume the normal position, make the upper die break away from the bed die, it is more convenient to demold, be convenient for operation and use, and under the cushioning effect through the shock attenuation post that sets up, can play the absorbing effect to whole equipment, the effectual equipment punching press in-process that has reduced leads to its inside part not hard up or the condition that drops because of vibrations are too big, the life of equipment has been prolonged.
Three, the utility model discloses a under the cooperation work of coolant tank, suction pump, condenser tube and the cooling shower nozzle that sets up, can spray cold water cooling to the mould at the in-process of punching press, the effectual too high condition of temperature appears in the mould after having prevented the punching press, and through the water catch bowl that sets up, filter screen and backward flow hose, can collect spun water to the water that will collect flows back again after filtering and recycles in the coolant tank, has reduced the waste of water resource.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the lower die holder of the present invention;
fig. 3 is a cross-sectional view of the lower mold of the present invention;
fig. 4 is a sectional view of the upper die base of the present invention;
fig. 5 is a sectional view of the upper mold of the present invention;
fig. 6 is a cross-sectional view of the processing table of the present invention.
In the figure: 1. a processing table; 2. a lower die holder; 3. a lower die; 4. an upper die holder; 5. an upper die; 6. a piston rod; 7. a cylinder; 8. a lower pressing plate; 9. a sliding sleeve; 10. a guide bar; 11. a guide block; 12. a guide cylinder; 13. a first spring; 14. a shock-absorbing post; 15. a support frame; 16. a water pump; 17. fixing the pad feet; 18. a cooling water tank; 19. a sealing cover; 20. a water filling port; 21. a metal filtering ball head; 22. a water pumping hose; 23. a threaded pipe; 24. a first threaded rod; 25. a clamping block; 26. turning a handle; 27. positioning a rod; 28. positioning holes; 29. stamping a groove; 30. ejecting the plate; 31. a second spring; 32. mounting holes; 33. a second threaded rod; 34. a nut; 35. a cooling water pipe; 36. a water delivery hose; 37. cooling the spray head; 38. a water collection tank; 39. a filter screen; 40. a return hose; 41. a telescopic rod; 42. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a stamping device of an impact-resistant and rebound-resistant slide rail comprises a processing table 1 and a support frame 15, wherein the support frame 15 is fixed on the processing table 1, an upper die base 4 is movably arranged on the inner side of the support frame 15, an air cylinder 7 is installed at the top of the support frame 15, a lower pressing plate 8 is fixedly connected to the bottom end of a piston rod 6 of the air cylinder 7, the lower pressing plate 8 is positioned above the upper die base 4, an upper die 5 is detachably installed at the bottom of the upper die base 4, a second threaded rod 33 is fixed at the top of the upper die 5, a mounting hole 32 is formed in the upper die base 4, the second threaded rod 33 penetrates out of the mounting hole 32, a nut 34 is in threaded connection with the top end of the second threaded rod, a lower die base 2 fixed on the processing table 1 is arranged below the upper die base 4, a lower die 3 is detachably installed at the top of the lower die, the two ends of the second threaded rod 33 are respectively fixed with a clamping block 25 and a rotating handle 26, the positioning and installation of the upper die 5 and the lower die 3 can be rapidly completed through the matching use among the threaded pipe 23, the first threaded rod 24, the clamping block 25, the second threaded rod 33, the mounting hole 32 and the nut 34, the installation is firmer, the phenomenon of deviation between the upper die 5 and the lower die 3 in the stamping process is effectively prevented, the stability of the stamping process is enhanced, in addition, the upper die 5 and the lower die 3 are more convenient and time-saving to disassemble and replace by adopting the installation mode, the four corners at the bottom of the upper die base 4 are fixed with the guide rods 10, the upper surface of the processing platform 1 is fixed with the guide cylinders 12 corresponding to the positions of the guide rods 10, the guide blocks 11 are arranged in the guide cylinders 12 in a sliding manner, the lower end surfaces of the guide blocks 11 are connected with the inner bottom surfaces of the guide cylinders 12 through the first springs 13, the guide rods 10 are movably inserted into the guide cylinders 12, and the bottom ends of the, during punching, the guide rod 10 is pressed by the upper die holder 4 to drive the guide block 11 in the guide cylinder 12 to compress the first spring 13 downwards, after punching is finished, the guide block 11 and the guide rod 10 can push the upper die holder 4 to move upwards under the elastic recovery of the first spring 13, so that the upper die 5 is separated from the lower die 3, the demolding is more convenient and convenient, and the operation and the use are convenient, the cooling water pipes 35 positioned at two sides of the lower die 3 are fixed above the processing table 1, the cooling water pipes 35 are provided with cooling spray heads 37 distributed at equal intervals, the cooling water tank 18 is arranged below the processing table, the processing table 1 is fixedly connected with the cooling water tank 18 through the shock absorption columns 14, the bottom of the cooling water tank 18 is provided with fixing pads 17 at four corners, the outer wall of the cooling water tank 18 is provided with the water suction pump 16, the water suction pump 16 is communicated with the cooling water pipes 35 through the water conveying hose 36, and the cooling, Under the cooperation of the water suction pump 16, the cooling water pipe 35 and the cooling nozzle 37, cold water can be sprayed to the die to be cooled in the stamping process, and the phenomenon of overhigh temperature of the die after stamping is effectively prevented.
The upper surface of the processing table 1 is provided with a water collecting tank 38 around the lower die holder 2, the water collecting tank 38 is internally provided with a filter screen 39, the bottom end of the water collecting tank 38 is communicated with the cooling water tank 18 through a backflow hose 40, waste water generated in the water spraying and cooling process flows into the water collecting tank 38 around the upper surface of the processing table 1, water entering the water collecting tank 38 is filtered by the filter screen 39 and then flows back to the cooling water tank 18 along the backflow hose 40 for recycling, the upper surface of the lower die holder 2 is fixed with a positioning rod 27, the bottom of the lower die 3 is provided with a positioning hole 28 matched with the positioning rod 27, the positioning rod 27 is matched with the positioning hole 28 to facilitate positioning and installation of the lower die 3, the upper surface of the lower die 3 is provided with a stamping groove 29 matched with the upper die 5, the stamping groove 29 is used for placing a workpiece to be stamped, the upper die 5 is positioned right above the stamping, the ejection plate 30 is arranged in the stamping groove 29 in a sliding manner, the lower end face of the ejection plate 30 is connected with the inner bottom face of the stamping groove 29 through the second spring 31, during stamping, the ejection plate 30 can be stressed to compress the second spring 31, after stamping is finished, the second spring 31 can push the ejection plate 30 to move upwards through elastic recovery, a processed workpiece can be taken out conveniently, the shock absorption column 14 is composed of a telescopic rod 41 and a third spring 42 sleeved on the outer side of the telescopic rod 41, the shock absorption column 14 can play a role in absorbing shock for the whole equipment, the condition that internal parts of the equipment are loosened or fall off due to overlarge shock in the stamping process of the equipment is effectively reduced, the service life of the equipment is prolonged, a rubber pad is bonded on one face, facing the upper die holder 4, two ends of the upper die holder 4 are fixedly connected with sliding sleeves 9 which are slidably sleeved on the support frame 15, and the stability of the upper die holder 4 in the up-down moving, the filler 20 has been seted up at cooling water tank 18's top, be provided with sealed lid 19 on the filler 20, open sealed lid 19, be convenient for add water in the 20 looks cooling water tank 18 of filler, communicate through pumping hose 22 between suction pump 16 and the cooling water tank 18, pumping hose 22 is located and extends to in cooling water tank 18 and its end intercommunication has metal filter bulb 21, be equipped with evenly distributed's filtration pore on the metal filter bulb 21, metal filter bulb 21 can filter the impurity of outlet tank normal water, suction pump 16 and cylinder 7 all are connected with external power supply through the control switch of peripheral hardware.
The working principle is as follows: when the device is used, firstly, the positioning hole 28 at the bottom of the lower die 3 is aligned with the positioning rod 27 and placed on the lower die holder 2, then the first threaded rods 24 at two sides of the lower die holder 2 are respectively rotated through the rotating handle 26, the two first threaded rods 24 respectively penetrate through the two threaded pipes 23 in a threaded manner and drive the two clamping blocks 25 to move towards the direction close to the lower die 3, when the two clamping blocks 25 move to be tightly abutted against the outer wall of the lower die 3, the rotating handle 26 stops rotating, at the moment, the lower die 3 is fixed on the lower die holder 2 under the clamping action of the two clamping blocks 25, then the threaded rod at the top of the upper die 5 penetrates out of the mounting hole 32 on the upper die holder 4 and is screwed with the screw cap 34, so that the upper die 5 is firmly fixed at the bottom of the upper die holder 4, after the upper die 5 and the lower die 3 are fixed, the device is switched on an external power supply, and a workpiece to be punched is placed at the punching, then starting the cylinder 7, the cylinder 7 operates to drive the lower press plate 8 to contact with the upper die holder 4 through the piston rod 6, the guide rod 10 receives pressure from the upper die holder 4 to drive the guide block 11 in the guide cylinder 12 to compress the first spring 13 downwards, the upper die holder 4 drives the upper die 5 to move downwards to punch the workpiece on the lower die 3, during punching, the ejector plate 30 in the punching groove 29 is forced to compress the second spring 31, after punching, the lower press plate 8 is driven to move upwards to the initial position through the starting cylinder 7, and the cylinder 7 is closed, at this time, the first spring 13 is elastically restored to drive the guide block 11 and the guide rod 10 to drive the upper die holder 4 to move upwards to the initial position, so that the upper die 5 is separated from the lower die 3, and at the same time, the second spring 31 is elastically restored to drive the ejector plate 30 to move upwards, so as to take out the workpiece after punching, and during punching, in order to prevent the mold from overheating, the water suction pump 16 may be started, the water suction pump 16 works through the water suction hose 22 and the water delivery hose 36, the water in the cooling water tank 18 is pumped into the cooling water pipe 35, the water entering the cooling water pipe 35 is sprayed to the mold through the cooling spray nozzle 37, the water is sprayed to cool the mold, the waste water generated in the water spraying cooling process flows into the water collection tank 38 around the upper surface of the processing table 1, and the water entering the water collection tank 38 flows into the cooling water tank 18 again along the return hose 40 after being filtered by the filter screen 39.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a stamping device of anti bounce-back slide rail shocks resistance, includes processing platform (1) and support frame (15), its characterized in that: the support frame (15) is fixed on the machining table (1), an upper die base (4) is movably arranged on the inner side of the support frame (15), an air cylinder (7) is installed at the top of the support frame (15), a lower pressing plate (8) is fixedly connected to the bottom end of a piston rod (6) of the air cylinder (7), the lower pressing plate (8) is located above the upper die base (4), an upper die (5) is detachably installed at the bottom of the upper die base (4), a second threaded rod (33) is fixed at the top of the upper die (5), a mounting hole (32) is formed in the upper die base (4), the second threaded rod (33) penetrates out of the mounting hole (32) and is in threaded connection with a nut (34) at the top end, a lower die base (2) fixed on the machining table (1) is arranged below the upper die base (4), and a lower die (3) is detachably installed at the top of, the two sides of the lower die (3) are provided with threaded pipes (23) fixed on the upper die base (4), the inner threads of the threaded pipes (23) penetrate through second threaded rods (33), two ends of each second threaded rod (33) are respectively fixed with a clamping block (25) and a rotating handle (26), four corners of the bottom of the upper die base (4) are fixed with guide rods (10), the upper surface of the machining table (1) is fixed with guide cylinders (12) corresponding to the positions of the guide rods (10), the guide cylinders (12) are internally provided with guide blocks (11) in a sliding manner, the lower end surfaces of the guide blocks (11) are connected with the inner bottom surfaces of the guide cylinders (12) through first springs (13), the guide rods (10) are movably inserted into the guide cylinders (12) and the bottom ends of the guide rods are fixedly connected with the upper end surfaces of the guide blocks (11), and cooling water pipes (35) located on two sides of the lower die (3) are fixed above the machining table (1), be equipped with equidistant distribution's cooling shower nozzle (37) on cooling water pipe (35), the below of processing is equipped with coolant tank (18), through shock attenuation post (14) fixed connection between processing platform (1) and coolant tank (18), fixed bolster foot (17) are installed in the bottom four corners of coolant tank (18), install suction pump (16) on the outer wall of coolant tank (18), be used for between suction pump (16) and cooling water pipe (35) to send water hose (36) intercommunication.
2. The stamping device for impact-resistant and rebound-resistant sliding rails as claimed in claim 1, wherein: processing platform (1) upper surface is located and is equipped with water catch bowl (38) around die holder (2), be equipped with filter screen (39) in water catch bowl (38), the bottom of water catch bowl (38) is passed through backflow hose (40) and is communicate with cooling water tank (18) the upper surface mounting of die holder (2) has locating lever (27), locating hole (28) with locating lever (27) matched with have been seted up to the bottom of bed die (3).
3. The stamping device for impact-resistant and rebound-resistant sliding rails as claimed in claim 1, wherein: stamping groove (29) with last mould (5) looks adaptation are seted up to the upper surface of bed die (3), it is located stamping groove (29) directly over to go up mould (5), it is equipped with liftout plate (30) to slide in stamping groove (29), be connected through second spring (31) between the interior bottom surface of the lower terminal surface of liftout plate (30) and stamping groove (29).
4. The stamping device for impact-resistant and rebound-resistant sliding rails as claimed in claim 1, wherein: the shock absorption column (14) is composed of a telescopic rod (41) and a third spring (42) sleeved on the outer side of the telescopic rod (41).
5. The stamping device for impact-resistant and rebound-resistant sliding rails as claimed in claim 1, wherein: the lower pressing plate (8) is bonded with a rubber pad on one surface facing the upper die holder (4), and two ends of the upper die holder (4) are fixedly connected with sliding sleeves (9) which are sleeved on the supporting frame (15) in a sliding manner.
6. The stamping device for impact-resistant and rebound-resistant sliding rails as claimed in claim 1, wherein: filler (20) have been seted up at the top of coolant tank (18), be provided with sealed lid (19) on filler (20), communicate through pumping hose (22) between suction pump (16) and coolant tank (18), pumping hose (22) are located and extend to in coolant tank (18) and its end intercommunication has metal filter bulb (21), be equipped with evenly distributed's filtration hole on metal filter bulb (21), suction pump (16) and cylinder (7) all are connected with external power source through the control switch of peripheral hardware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290228.XU CN211637890U (en) | 2019-12-19 | 2019-12-19 | Stamping device of anti-bounce slide rail shocks resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290228.XU CN211637890U (en) | 2019-12-19 | 2019-12-19 | Stamping device of anti-bounce slide rail shocks resistance |
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| CN211637890U true CN211637890U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922290228.XU Active CN211637890U (en) | 2019-12-19 | 2019-12-19 | Stamping device of anti-bounce slide rail shocks resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112872197A (en) * | 2020-12-24 | 2021-06-01 | 常熟市万胜汽车配件有限公司 | Automatic stamping device of vehicle air conditioner valve plate |
| CN113000719A (en) * | 2021-04-14 | 2021-06-22 | 刘光江 | Stamping device for machining |
| CN113231521A (en) * | 2021-07-13 | 2021-08-10 | 江苏久勋精密机械有限公司 | Water-cooling metal stamping device |
| CN113263089A (en) * | 2021-04-27 | 2021-08-17 | 惠州市乐达智能自动化有限公司 | Hardware die machining device and method |
| CN113477770A (en) * | 2021-07-11 | 2021-10-08 | 江阴市富仁机件有限公司 | Speed-adjustable full-automatic servo line |
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| CN114571645A (en) * | 2022-01-13 | 2022-06-03 | 江苏博生医用新材料股份有限公司 | Forming equipment for processing rubber plug of hemostix |
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| CN115847210A (en) * | 2023-01-31 | 2023-03-28 | 福建省正丰数控科技有限公司 | High-speed surface grinding machine driven by linear motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872197A (en) * | 2020-12-24 | 2021-06-01 | 常熟市万胜汽车配件有限公司 | Automatic stamping device of vehicle air conditioner valve plate |
| CN113000719A (en) * | 2021-04-14 | 2021-06-22 | 刘光江 | Stamping device for machining |
| CN113263089A (en) * | 2021-04-27 | 2021-08-17 | 惠州市乐达智能自动化有限公司 | Hardware die machining device and method |
| CN113477770A (en) * | 2021-07-11 | 2021-10-08 | 江阴市富仁机件有限公司 | Speed-adjustable full-automatic servo line |
| CN113231521A (en) * | 2021-07-13 | 2021-08-10 | 江苏久勋精密机械有限公司 | Water-cooling metal stamping device |
| CN114571645A (en) * | 2022-01-13 | 2022-06-03 | 江苏博生医用新材料股份有限公司 | Forming equipment for processing rubber plug of hemostix |
| CN114393874A (en) * | 2022-01-20 | 2022-04-26 | 上海酉元软件技术有限公司 | Antenna packaging method and device used for non-contact interface of smart card |
| CN114603080A (en) * | 2022-03-14 | 2022-06-10 | 江苏大洋精锻有限公司 | Flange shaft warm forging equipment and method thereof |
| CN115847210A (en) * | 2023-01-31 | 2023-03-28 | 福建省正丰数控科技有限公司 | High-speed surface grinding machine driven by linear motor |
| CN115847210B (en) * | 2023-01-31 | 2023-04-28 | 福建省正丰数控科技有限公司 | High-speed surface grinding machine driven by linear motor |
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