CN113878364B - Unloader is used in production of PCB drill bit - Google Patents
Unloader is used in production of PCB drill bit Download PDFInfo
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- CN113878364B CN113878364B CN202111226920.1A CN202111226920A CN113878364B CN 113878364 B CN113878364 B CN 113878364B CN 202111226920 A CN202111226920 A CN 202111226920A CN 113878364 B CN113878364 B CN 113878364B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a blanking device for PCB drill bit production, belongs to the technical field of drill bit manufacturing, and is used for solving the problem of low blanking efficiency in PCB drill bit production. The cutting-off device comprises a first trough plate and a cutting-off mechanism, wherein two placing plates are fixed below the first trough plate, the cutting-off mechanism comprises a conveying belt and a rotating motor, the rotating motor is fixed on one side of the first trough plate, a poking rod and a cam are fixed on an output shaft of the rotating motor, a U-shaped rod is arranged on the cam in a sliding mode, a connecting plate is fixed at the end part of the U-shaped rod, a cutter is fixed above the connecting plate, a cutting saw and two spraying pipes are fixed below the connecting plate, the conveying belt is arranged between the two placing plates, a transmission is fixed at one end of the conveying belt, an X-shaped rotating disc is fixed at the end part of the transmission, a cooling mechanism is arranged above the first trough plate, a pushing mechanism is arranged at the end part of the first trough plate, a sliding plate is arranged at the end part of the pushing mechanism, and a polishing mechanism is arranged on the sliding plate; the invention improves the blanking efficiency of PCB drill bit production.
Description
Technical Field
The invention belongs to the technical field of drill bit manufacturing, and relates to a blanking device for PCB drill bit production.
Background
The PCB drill bit is mainly used for manufacturing PCBs, the PCBs are bonded by a plurality of layers of resin materials, copper foil wiring is adopted in the PCBs, the PCB drill bit is divided into 4 layers, 6 layers and 8 layers, drilling holes account for 30-40% of the cost of the printed circuit board, special equipment and drill bits are required for mass production, and the good PCB drill bit is made of high-quality hard alloy materials and has the advantages of being high in rigidity, high in hole site precision, good in hole wall quality, long in service life and the like.
The existing PCB drill bit is manufactured by processing bars, the bars need to be collected in a material receiving device in the processing and blanking process, the bars are transported and transported to other equipment, the subsequent polishing processing is facilitated, corresponding labor cost needs to be increased in the links, the production efficiency is also reduced, and therefore the blanking device for PCB drill bit production is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a blanking device for producing a PCB drill bit, which aims to solve the technical problems that: how to improve PCB drill bit production unloading efficiency.
The purpose of the invention can be realized by the following technical scheme:
a blanking device for PCB drill bit production comprises a first groove plate and a cutting mechanism, wherein two placing plates are fixed below the first groove plate, a mounting groove is formed in the first groove plate, the cutting mechanism comprises a conveying belt and a rotating motor, the rotating motor is fixed on one side of the first groove plate, an output shaft of the rotating motor penetrates through the first groove plate, a poking rod and a cam are fixed on the output shaft of the rotating motor, the cam is located on one side of the first groove plate, a U-shaped rod is arranged on the cam in a sliding mode, a connecting plate is fixed at the end portion of the U-shaped rod, a cutter is fixed above the connecting plate, a cutting saw and two spraying pipes are fixed below the connecting plate, the two spraying pipes are respectively located on two sides of the cutting saw, the poking rod is located on the other side of the first groove plate, the conveying belt is arranged between the two placing plates, the conveying belt is located inside the mounting groove, a transmission is fixed at one end of the conveying belt, an X-shaped rotating disc is fixed at the end of the transmission, the X-shaped rotating disc and the poke rod rotate in a matched mode, a cooling mechanism is arranged above the first trough plate, a pushing mechanism is arranged at the end of the first trough plate, a sliding plate is arranged at the end of the pushing mechanism, and a polishing mechanism is arranged on the sliding plate.
The working principle of the invention is as follows: on placing the first frid with the bar, it drives poker rod and cam rotation through the output shaft to rotate the motor, poker rod drives the derailleur and rotates, the derailleur drives the conveyer belt and rotates, the conveyer belt drives the bar and carries out the ration and removes, the cam drives U type pole and reduces, U type pole drives the connecting plate and descends, the connecting plate drives the cutterbar and descends, the cutterbar drives the slitting saw and cuts the bar, cooling body carries the coolant liquid inside the shower, the shower sprays the coolant liquid on the slitting saw, inside the bar extrusion of push mechanism after the cutting is accomplished, push mechanism drives the bar after the cutting and carries on the sliding plate, grinding mechanism polishes the bar both ends, accomplish the unloading.
The cooling mechanism comprises a liquid storage tank, the liquid storage tank is fixed above the first trough plate, a cover plate is arranged above the liquid storage tank, a water suction pump is arranged inside the liquid storage tank, and the water outlet end of the water suction pump is connected with the two spray pipes through a spring water pipe.
By adopting the structure, the cover plate is opened, the cooling liquid is injected into the liquid storage tank, and the water suction pump conveys the cooling liquid to the inside of the spray pipe.
The pushing mechanism comprises a second groove plate, the second groove plate is fixed at the end portion of the first groove plate and is perpendicular to the first groove plate, a mounting plate is fixed above the second groove plate, two pushing grooves are formed in the mounting plate, two second fixing plates are fixed above the mounting plate, and the sliding plate is fixed at the end portion of the second groove plate.
By adopting the structure, the bar stock after the cutting is finished is extruded into the second groove plate, and the two second fixing plates provide mounting positions for parts of the pushing mechanism.
Push mechanism still includes pushing motor, slide bar, threaded rod and slurcam, the slurcam slides and sets up the inside at the second frid, the top of slurcam is fixed with first slider and second slider, first slider and second slider slide respectively and set up on two pushing grooves, slide bar and threaded rod all rotate and set up between two second fixed plates, first slider slides and sets up on the slide bar, second slider and threaded rod threaded connection, pushing motor fixes the side at one of them second fixed plate, pushing motor's output shaft passes through the shaft coupling and is connected with the threaded rod.
With the adoption of the structure, the pushing motor drives the threaded rod to rotate through the output shaft, the threaded rod drives the second sliding block to move, the second sliding block drives the pushing plate to move, and the pushing plate drives the bar after cutting is completed to move onto the sliding plate.
Polishing mechanism includes loop bar, pneumatic cylinder and two movable plates, loop bar and pneumatic cylinder are fixed on the mounting panel, the top of loop bar and pneumatic cylinder is fixed with the support, the support is the L type, the end fixing of support has the connecting rod, the below of connecting rod is fixed with the down tube of two symmetries, two movable plates all slide and set up on the sliding plate, the outside of two movable plates all is fixed with grinding motor and first fixed plate, be fixed with the polishing dish on grinding motor's the output shaft, the polishing dish is located the inboard of movable plate, the oblique spout has been seted up on the first fixed plate, two down tubes slide respectively and set up inside the oblique spout of corresponding position.
By adopting the structure, the polishing motor drives the polishing disc to rotate through the output shaft, the hydraulic cylinder drives the support to descend, the support drives the connecting rod to descend, the connecting rod drives the inclined rod to descend, the inclined rod drives the first fixing plate to move, the first fixing plate drives the movable plate to move, and the movable plate drives the polishing disc to be attached to the end part of the bar, so that the two ends of the bar are polished.
Compared with the prior art, this unloader is used in production of PCB drill bit has following advantage:
1. the cutting mechanism, the first groove plate and the cooling mechanism are matched, so that the bar stock can be quantitatively conveyed and cut, the blanking speed of drill bit production is increased, and the blanking efficiency of PCB drill bit production is improved;
2. grinding machanism, push mechanism and sliding plate cooperation can transport automatically and polish the bar after the cutting, has improved the unloading efficiency of PCB drill bit production, has reduced the human cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a grinding mechanism according to the present invention;
FIG. 3 is a perspective view of the cutting mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a perspective view of a portion of the components of the present invention;
in the figure: 1-grinding mechanism, 101-bracket, 102-loop bar, 103-diagonal bar, 104-first fixed plate, 105-moving plate, 106-connecting bar, 107-grinding disc, 108-hydraulic cylinder, 2-cutting mechanism, 201-cutter, 202-poke bar, 203-speed changer, 204-X type rotating disc, 205-U type bar, 206-conveying belt, 207-rotating motor, 208-cam, 209-cutting saw, 210-spray pipe, 211-connecting plate, 3-mounting groove, 4-first groove plate, 5-cooling mechanism, 501-water pump, 502-cover plate, 203-liquid storage tank, 6-pushing mechanism, 601-pushing motor, 602-first slide block, 603-sliding bar, 604-threaded bar, 605-push groove, 606-second groove plate, 607-second fixed plate, 608-push plate, 609-second slider, 7-place plate, 8-slide plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, the present embodiment provides a blanking device for PCB drill bit production, including a first slot plate 4 and a cutting mechanism 2, two placing plates 7 are fixed below the first slot plate 4, a mounting slot 3 is formed on the first slot plate 4, the cutting mechanism 2 includes a conveyor belt 206 and a rotating motor 207, the rotating motor 207 is fixed on one side of the first slot plate 4, an output shaft of the rotating motor 207 penetrates through the first slot plate 4, a poke rod 202 and a cam 208 are fixed on an output shaft of the rotating motor 207, the cam 208 is located on one side of the first slot plate 4, a U-shaped rod 205 is slidably disposed on the cam 208, a connecting plate 211 is fixed on an end of the U-shaped rod 205, a cutter 201 is fixed above the connecting plate 211, a cutting saw 209 and two spray pipes 210 are fixed below the connecting plate 211, the two spray pipes 210 are respectively located on two sides of the cutting saw 209, the poke rod 202 is located on the other side of the first slot plate 4, the conveyer belt 206 sets up between two boards 7 of placing, and the conveyer belt 206 is located the inside of mounting groove 3, and the one end of conveyer belt 206 is fixed with derailleur 203, and the end fixing of derailleur 203 has X type rolling disc 204, and X type rolling disc 204 and poker rod 202 cooperate the rotation, and the top of first frid 4 is provided with cooling body 5, and the tip of first frid 4 is provided with push mechanism 6, and push mechanism 6 tip is provided with the sliding plate 8, is provided with grinding body 1 on the sliding plate 8.
The method includes the steps that a bar is placed on a first groove plate 4, a rotating motor 207 drives a poke rod 202 and a cam 208 to rotate through an output shaft, the poke rod 202 drives a transmission 203 to rotate, the transmission 203 drives a conveying belt 206 to rotate, the conveying belt 206 drives the bar to move quantitatively, the cam 208 drives a U-shaped rod 205 to lower, the U-shaped rod 205 drives a connecting plate 211 to lower, the connecting plate 211 drives a cutter 201 to lower, the cutter 201 drives a cutting saw 209 to cut the bar, cooling liquid is conveyed to the interior of a spraying pipe 210 through a cooling mechanism 5, the spraying pipe 210 sprays the cooling liquid onto the cutting saw 209, the cut bar is extruded to the interior of a pushing mechanism 6, the pushing mechanism 6 drives the cut bar to convey to a sliding plate 8, two ends of the bar are polished through a polishing mechanism 1, and blanking is completed.
The cooling mechanism 5 comprises a liquid storage tank 503, the liquid storage tank 503 is fixed above the first trough plate 4, a cover plate 502 is arranged above the liquid storage tank 503, a water suction pump 501 is arranged inside the liquid storage tank 503, and the water outlet end of the water suction pump 501 is connected with the two spray pipes 210 through a spring water pipe; the cover 502 is opened, the coolant is injected into the liquid tank 503, and the water pump 501 delivers the coolant to the inside of the shower pipe 210.
The pushing mechanism 6 comprises a second groove plate 606, the second groove plate 606 is fixed at the end part of the first groove plate 4, the second groove plate 606 and the first groove plate 4 are perpendicular to each other, a mounting plate is fixed above the second groove plate 606, two pushing grooves 605 are arranged on the mounting plate, two second fixing plates 607 are fixed above the mounting plate, and the sliding plate 8 is fixed at the end part of the second groove plate 606; the cut bar is pressed into the second channel plate 606 and the two second fixing plates 607 provide mounting locations for the components of the pushing mechanism 6.
The pushing mechanism 6 further comprises a pushing motor 601, a sliding rod 603, a threaded rod 604 and a pushing plate 608, the pushing plate 608 is slidably arranged inside the second groove plate 606, a first sliding block 602 and a second sliding block 609 are fixed above the pushing plate 608, the first sliding block 602 and the second sliding block 609 are slidably arranged on the two pushing grooves 605 respectively, the sliding rod 603 and the threaded rod 604 are rotatably arranged between the two second fixing plates 607, the first sliding block 602 is slidably arranged on the sliding rod 603, the second sliding block 609 is in threaded connection with the threaded rod 604, the pushing motor 601 is fixed on the side surface of one of the second fixing plates 607, and an output shaft of the pushing motor 601 is connected with the threaded rod 604 through a coupler; the pushing motor 601 drives the threaded rod 604 to rotate through the output shaft, the threaded rod 604 drives the second sliding block 609 to move, the second sliding block 609 drives the pushing plate 608 to move, and the pushing plate 608 drives the cut bar to move to the sliding plate 8.
The polishing mechanism 1 comprises a loop bar 102, a hydraulic cylinder 108 and two moving plates 105, the loop bar 102 and the hydraulic cylinder 108 are fixed on a mounting plate, a support 101 is fixed above the loop bar 102 and the hydraulic cylinder 108, the support 101 is L-shaped, a connecting rod 106 is fixed at the end of the support 101, two symmetrical inclined bars 103 are fixed below the connecting rod 106, the two moving plates 105 are arranged on a sliding plate 8 in a sliding manner, a polishing motor and a first fixing plate 104 are fixed on the outer sides of the two moving plates 105, a polishing disc 107 is fixed on an output shaft of the polishing motor, the polishing disc 107 is positioned on the inner side of the moving plates 105, an inclined chute is formed in the first fixing plate 104, and the two inclined bars 103 are respectively arranged in the inclined chutes at corresponding positions in a sliding manner; the grinding motor drives the grinding disc 107 to rotate through the output shaft, the hydraulic cylinder 108 drives the support 101 to descend, the support 101 drives the connecting rod 106 to descend, the connecting rod 106 drives the inclined rod 103 to descend, the inclined rod 103 drives the first fixing plate 104 to move, the first fixing plate 104 drives the moving plate 105 to move, and the moving plate 105 drives the grinding disc 107 to be attached to the end of the bar, so that two ends of the bar are ground.
In the present embodiment, the above-mentioned fixing means are all the simplest fixing means commonly used in the art, such as welding. Connecting by bolts; in this embodiment, the electrical devices, such as the hydraulic cylinder 108 and the rotating motor 207, are all prior art products, and can be purchased and used directly, and the detailed description is omitted.
The working principle of the invention is as follows:
the bar stock is placed on the first slot plate 4, the rotating motor 207 drives the poke rod 202 and the cam 208 to rotate through the output shaft, the poke rod 202 drives the transmission 203 to rotate, the transmission 203 drives the conveying belt 206 to rotate, the conveying belt 206 drives the bar stock to move quantitatively, the cam 208 drives the U-shaped rod 205 to lower, the U-shaped rod 205 drives the connecting plate 211 to lower, the connecting plate 211 drives the cutter 201 to lower, the cutter 201 drives the cutting saw 209 to cut the bar stock, the cooling mechanism 5 conveys the cooling liquid into the spraying pipe 210, the spraying pipe 210 sprays the cooling liquid onto the cutting saw 209, the cut bar stock is extruded into the second slot plate 606, the pushing motor 601 drives the threaded rod 604 to rotate through the output shaft, the threaded rod 604 drives the second slide block 609 to move, the second slide block 609 drives the pushing plate 608 to move, and the pushing plate 608 drives the cut bar stock to move to the sliding plate 8, the grinding motor drives the grinding disc 107 to rotate through the output shaft, the hydraulic cylinder 108 drives the support 101 to descend, the support 101 drives the connecting rod 106 to descend, the connecting rod 106 drives the inclined rod 103 to descend, the inclined rod 103 drives the first fixing plate 104 to move, the first fixing plate 104 drives the movable plate 105 to move, the movable plate 105 drives the grinding disc 107 to be attached to the end of the bar, so that two ends of the bar are ground, the bar is removed after grinding is completed, and discharging is completed.
In conclusion, the cutting mechanism 2, the first groove plate 4 and the cooling mechanism 5 are matched, so that the bar stock can be quantitatively conveyed and cut, the speed of drill bit production and blanking is increased, and the blanking efficiency of PCB drill bit production is improved; grinding machanism 1, push mechanism 6 and the cooperation of sliding plate 8 can transport automatically and polish the bar after the cutting, have improved the unloading efficiency of PCB drill bit production, have reduced the human cost.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A blanking device for PCB drill bit production comprises a first groove plate (4) and a cutting mechanism (2), and is characterized in that two placing plates (7) are fixed below the first groove plate (4), a mounting groove (3) is formed in the first groove plate (4), the cutting mechanism (2) comprises a conveying belt (206) and a rotating motor (207), the rotating motor (207) is fixed on one side of the first groove plate (4), an output shaft of the rotating motor (207) penetrates through the first groove plate (4), a poke rod (202) and a cam (208) are fixed on the output shaft of the rotating motor (207), the cam (208) is located on one side of the first groove plate (4), a U-shaped rod (205) is slidably arranged on the cam (208), a connecting plate (211) is fixed at the end of the U-shaped rod (205), a cutter (201) is fixed above the connecting plate (211), a cutting saw (209) and two spray pipes (210) are fixed below the connecting plate (211), two shower pipes (210) are located the both sides of slitting saw (209) respectively, poker rod (202) are located the opposite side of first frid (4), conveyer belt (206) set up two and place between board (7), and conveyer belt (206) are located the inside of mounting groove (3), the one end of conveyer belt (206) is fixed with derailleur (203), the end fixing of derailleur (203) has X type rolling disc (204), X type rolling disc (204) and poker rod (202) cooperation are rotated, the top of first frid (4) is provided with cooling mechanism (5), the tip of first frid (4) is provided with push mechanism (6), push mechanism (6) tip is provided with sliding plate (8), be provided with grinding machanism (1) on sliding plate (8).
2. The blanking device for the PCB drill bit production as claimed in claim 1, wherein the cooling mechanism (5) comprises a liquid storage tank (503), the liquid storage tank (503) is fixed above the first trough plate (4), a cover plate (502) is arranged above the liquid storage tank (503), a water suction pump (501) is arranged inside the liquid storage tank (503), and the water outlet end of the water suction pump (501) is connected with the two spray pipes (210) through a spring water pipe.
3. The blanking device for the PCB drill bit production as recited in claim 1, wherein the pushing mechanism (6) comprises a second groove plate (606), the second groove plate (606) is fixed at the end of the first groove plate (4), the second groove plate (606) and the first groove plate (4) are perpendicular to each other, a mounting plate is fixed above the second groove plate (606), two pushing grooves (605) are formed in the mounting plate, two second fixing plates (607) are fixed above the mounting plate, and the sliding plate (8) is fixed at the end of the second groove plate (606).
4. The blanking device for PCB drill bit production as recited in claim 3, the pushing mechanism (6) further comprises a pushing motor (601), a sliding rod (603), a threaded rod (604) and a pushing plate (608), the pushing plate (608) is arranged inside the second groove plate (606) in a sliding mode, a first sliding block (602) and a second sliding block (609) are fixed above the pushing plate (608), the first sliding block (602) and the second sliding block (609) are respectively arranged on the two pushing grooves (605) in a sliding mode, the sliding rod (603) and the threaded rod (604) are arranged between the two second fixing plates (607) in a rotating mode, the first sliding block (602) is arranged on the sliding rod (603) in a sliding mode, the second sliding block (609) is in threaded connection with the threaded rod (604), the pushing motor (601) is fixed on the side face of one of the second fixing plates (607), and an output shaft of the pushing motor (601) is connected with the threaded rod (604) through a coupler.
5. The blanking device for PCB drill bit production according to claim 3 or 4, wherein the grinding mechanism (1) comprises a loop bar (102), a hydraulic cylinder (108) and two moving plates (105), the loop bar (102) and the hydraulic cylinder (108) are fixed on a mounting plate, a bracket (101) is fixed above the loop bar (102) and the hydraulic cylinder (108), the bracket (101) is L-shaped, a connecting rod (106) is fixed at the end of the bracket (101), two symmetrical oblique rods (103) are fixed below the connecting rod (106), the two moving plates (105) are both arranged on the sliding plate (8) in a sliding manner, a grinding motor and a first fixing plate (104) are fixed at the outer sides of the two moving plates (105), a grinding disc (107) is fixed on the output shaft of the grinding motor, the grinding disc (107) is located at the inner side of the moving plate (105), an oblique chute is formed on the first fixing plate (104), the two inclined rods (103) are respectively arranged in the inclined sliding grooves at the corresponding positions in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111226920.1A CN113878364B (en) | 2021-10-21 | 2021-10-21 | Unloader is used in production of PCB drill bit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111226920.1A CN113878364B (en) | 2021-10-21 | 2021-10-21 | Unloader is used in production of PCB drill bit |
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| CN113878364B true CN113878364B (en) | 2022-08-19 |
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| CN114952300B (en) * | 2022-04-21 | 2023-08-25 | 湖北住方科技有限公司 | Drilling device for aluminum alloy doors and windows |
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| GB702322A (en) * | 1949-12-16 | 1954-01-13 | Reginald Bishop | Improvements in the cutting of the followers of the cam and follower type of steering gear |
| CN205437310U (en) * | 2016-03-07 | 2016-08-10 | 江苏永浩通讯科技有限公司 | Copper rod cutting device |
| CN109108663B (en) * | 2018-08-27 | 2019-09-03 | 上上德盛集团有限公司 | A kind of stainless steel tube cutting polishing integrated processing device and processing method |
| CN210818389U (en) * | 2019-07-19 | 2020-06-23 | 丽水俊翔信息技术有限公司 | Square pipe cutting and end face polishing integrated equipment |
| CN112238348A (en) * | 2019-12-17 | 2021-01-19 | 厉风燕 | Pipe bending equipment integrating cutting, polishing and forming |
| CN112008422A (en) * | 2020-08-31 | 2020-12-01 | 李春群 | Steel pipe fixed length cutting and terminal surface integrative equipment of polishing |
| CN112318197A (en) * | 2020-11-11 | 2021-02-05 | 常德鑫睿新材料有限公司 | Aluminum alloy cutting device |
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