CN110695730B - Metal mold surface cutting device with polygonal cross section - Google Patents

Metal mold surface cutting device with polygonal cross section Download PDF

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Publication number
CN110695730B
CN110695730B CN201911023796.1A CN201911023796A CN110695730B CN 110695730 B CN110695730 B CN 110695730B CN 201911023796 A CN201911023796 A CN 201911023796A CN 110695730 B CN110695730 B CN 110695730B
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gear
wheel
center
fixedly connected
driven
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CN110695730A (en
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郑炅鑫
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Nantong Keyu Mold Technology Co ltd
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Shengzhou Yueming Mould Technology Co Ltd
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Priority to CN201911023796.1A priority Critical patent/CN110695730B/en
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Priority to JP2020027583A priority patent/JP2021066007A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a surface cutting device for a metal die with a polygonal section, which comprises a device main body, wherein a processing cavity with an upward opening is arranged in the device main body, sliding centers are arranged in the processing cavity in a bilaterally symmetrical and rotatable and slidable manner, a workpiece can be clamped through the sliding centers on two sides, the section of the workpiece before processing is circular, one end of each sliding center close to the symmetrical center abuts against the rotating center of the workpiece, the device can be automatically processed into the die with the polygonal section, and when the dies with different edge lengths need to be processed, the device can be manually adjusted and the transmission mode in the device can be changed, so that the dies with different edge lengths can be processed.

Description

Metal mold surface cutting device with polygonal cross section
Technical Field
The invention relates to the field of dies, in particular to a surface cutting device for a metal die with a polygonal section.
Background
The invention relates to a metal mold surface cutting device with a polygonal section, which can solve the problems.
Disclosure of Invention
The technical problem is as follows:
when the die with the polygonal cross sections with different side lengths is machined, a machine tool needs to be replaced, and machining efficiency is low.
In order to solve the problems, the embodiment designs a metal die surface cutting device with a polygonal cross section, which comprises a device main body, wherein a processing cavity with an upward opening is arranged in the device main body, sliding centers are arranged in the processing cavity in a bilateral symmetry manner, the sliding centers can rotate and slide, a workpiece can be clamped through the sliding centers on two sides, the cross section of the workpiece before processing is circular, one end of each sliding center, which is close to a symmetry center, is abutted against the rotation center of the workpiece, a spring groove with an opening deviating from the symmetry center is arranged in each sliding center, a through groove is connected in each spring groove through a spline, a pressing spring is fixedly connected between the end of each through groove, which is close to the symmetry center, and the inner wall of the spring groove, which is close to the symmetry center, under the elastic force of the pressing spring, the sliding centers clamp the workpiece, the inner walls of the left side and the right side of the processing cavity are symmetrically provided with transmission devices, one end of the through groove, which is far away from the symmetry center, is connected with the transmission devices, a cutting device is connected between the transmission devices at the two sides through threads, the cutting device is positioned at the upper side of the workpiece, the inner wall of the lower side of the processing cavity is internally provided with a driving device, the left end and the right end of the driving device are connected with the transmission devices at the left side and the right side through a connecting belt, the driving device is started, the transmission device is further driven through the connecting belt, the sliding center is further driven through the through groove to rotate, the workpiece is further driven to rotate, the cutting device is simultaneously driven to cut the workpiece, the inner wall of the lower side of the processing cavity is internally provided with a waste cavity in a communicating manner, the cut waste can, the end, far away from the symmetric center, of the manual adjusting device and the transmission devices on the left side and the right side can be connected through a fixed key respectively, the manual adjusting device is driven manually, the transmission mode in the transmission devices is changed through the fixed key, the driving devices are started at the moment, and then the cutting devices are driven through the transmission devices to process the workpieces into dies with polygonal sections with different edge lengths. Beneficially, the driving device comprises a communicating chamber arranged in the inner wall of the lower side of the processing chamber, a driving bevel gear is rotatably arranged in the communicating chamber, the lower end of the driving bevel gear is fixedly connected with a motor shaft, a motor is fixedly arranged in the inner wall of the lower side of the communicating chamber, the lower end of the motor shaft is connected with the motor in a power mode, driven bevel gears are symmetrically arranged at the left end and the right end of the driving bevel gear in a meshed mode, one end, away from the symmetric center, of each driven bevel gear is fixedly connected with a driven rotating shaft, one side, away from the symmetric center, of each driven bevel gear is rotatably provided with a driving pulley, the lower ends of the two connecting belts are respectively connected with the driving pulleys at the two sides, the upper ends of the connecting belts are respectively connected with the transmission, and then the driving belt wheel is driven to rotate through the driven rotating shaft, and the transmission device is driven through the connecting belt.
Beneficially, the transmission device comprises transmission cavities which are bilaterally symmetrical and are arranged in inner walls of the left side and the right side of the processing cavity, inner walls of the lower sides of the transmission cavities are communicated with the communication cavities, driven belt wheels are rotatably arranged in the transmission cavities, the upper ends of the two connecting belts are respectively connected with the driven belt wheels on the two sides, one ends, far away from the symmetry center, of the driven belt wheels are fixedly connected with a connecting shaft, one sides, far away from the symmetry center, of the driven belt wheels are rotatably provided with driving sector gears, the driving sector gears are fixedly connected with the connecting shaft, the upper ends of the driving sector gears can be meshed with driven sector gears, one ends, close to the symmetry center, of the driven sector gears are fixedly connected with an adjusting rotating shaft, one ends, close to the symmetry center, of the adjusting rotating shaft, the ratchet wheel is fixedly connected with the adjusting rotating shaft, the upper end of the ratchet wheel is provided with a one-way wheel in a meshed manner, the ratchet wheel can drive the one-way wheel to rotate when rotating forwards, the ratchet wheel cannot drive the one-way wheel to rotate when rotating backwards, one end of the one-way shaft, which is far away from the symmetry center, is respectively fixedly connected with the one-way wheels at two sides, the driving belt wheel rotates and drives the driven belt wheel to rotate through the connecting belt, the driving sector gear is further driven to rotate through the connecting shaft, the driven sector gear can be further driven to rotate, the ratchet wheel is further driven to rotate through the adjusting rotating shaft, the one-way wheel is further driven to rotate through the one-way shaft and the sliding tip, the workpiece is further driven to rotate, when the driving sector gear is disengaged from the driven sector gear, the workpiece does not rotate, and the rotating angle of the workpiece is, and the angle of rotation of the workpiece corresponds to the angle of rotation of the driven sector gear.
Beneficially, the ratchet wheel is close to one end of the symmetric center and a reset torsion spring is fixedly connected between the manual adjusting device, the manual adjusting device is manually started, the fixing key drives the adjusting rotating shaft to rotate reversely, the ratchet wheel and the driven sector gear to rotate reversely, the angle which can be meshed between the driven sector gear and the driving sector gear is changed, the rotating angle of the driven sector gear at each time is changed, the rotating angle of the workpiece at each time can be changed, and the included angle between two adjacent edges of the polygonal cross section of the workpiece can be changed.
Beneficially, one end of the connecting shaft, which is far away from the symmetry center, is fixedly connected with a large gear, an engaging groove with an opening deviating from the symmetry center is arranged in the large gear, a connecting wheel is rotatably arranged in the engaging groove, a connecting gear is arranged at the rear end of the connecting wheel in an engaging manner, the rear end of the connecting gear can be engaged with the large gear, a transmission belt wheel is rotatably arranged on the upper side of the connecting wheel, a transmission belt is connected between the connecting wheel and the transmission belt wheel, acceleration transmission is realized between the connecting wheel and the transmission belt wheel, a cantilever shaft is fixedly connected in the transmission belt wheel, one end, which is close to the symmetry center, of the cantilever shaft is fixedly connected with an intermediate gear, symmetrical gears are rotatably arranged on the upper side and the lower side of the intermediate gear, the intermediate gear can be respectively engaged with the, the symmetrical gear is fixedly connected with a symmetrical rotating shaft at one end close to the processing cavity, the symmetrical rotating shaft is rotatably connected with one end of the processing cavity at the inner wall of one side of the transmission cavity close to a symmetrical center, the symmetrical gear is rotatably provided with symmetrical belt wheels at one side close to the processing cavity, the symmetrical belt wheels are fixedly connected with the symmetrical rotating shaft, an intermediate belt wheel is rotatably arranged between the symmetrical belt wheels at the upper side and the lower side, synchronous belts are respectively connected between the intermediate belt wheel and the symmetrical belt wheels at the upper side and the lower side, a screw rod is fixedly connected between the intermediate belt wheels at two sides, the cutting device is in threaded connection with the screw rod, the connecting shaft rotates and drives the gear wheel to rotate, and then the connecting gear can be driven to rotate, and further the connecting wheel is driven to rotate by the driving belt, and further the intermediate, and the symmetrical gears can be driven to rotate, the rotating directions of the symmetrical gears on two sides are opposite, so that the symmetrical gears drive the symmetrical belt wheels to rotate through the symmetrical rotating shafts, the synchronous belt drives the middle belt wheel to rotate, and the screw drives the cutting device to slide in a left-right reciprocating manner and cut the workpiece.
Advantageously, when the driving sector gear is engaged with the driven sector gear, the connecting gear is not engaged with the gearwheel, and when the driving sector gear is not engaged with the driven sector gear, the connecting gear is engaged with the gearwheel.
Preferably, the fifth wheel is kept away from center of symmetry one end and is linked firmly the fixed axle, the fixed axle keep away from center of symmetry one end rotate connect in center of symmetry one side inner wall is kept away from in the transmission chamber, coupling gear keeps away from center of symmetry one end and has linked firmly the back shaft, the back shaft keep away from center of symmetry one end rotate connect in center of symmetry one side inner wall is kept away from in the transmission chamber, the back shaft with the fixed axle can support the post respectively coupling gear with the fifth wheel.
Advantageously, the cutting device comprises a sliding block capable of sliding left and right, the sliding block is in threaded connection with the screw rod, the lower end of the sliding block is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a cutting knife, the left end and the right end of the cutting knife can be used for cutting, the screw rod rotates and can drive the sliding block to slide left and right in a reciprocating mode, and then the connecting rod slides left and right in a reciprocating mode, so that the cutting knife is driven to slide left and right in a reciprocating mode and cut the workpiece.
Beneficially, the manual adjusting device comprises a communicated through groove formed in the inner wall of the transmission cavity close to one side of the symmetry center, the communicated through groove is formed in the inner wall close to one side of the symmetry center and is provided with a limiting cavity communicated with the processing cavity, manual wheels are arranged in the processing cavity in a bilateral symmetry and slidable mode, a connecting hole with an opening deviating from the symmetry center is formed in each manual wheel, one end of the adjusting rotating shaft close to the symmetry center extends into the connecting hole, a key groove with an opening facing the symmetry center is formed in the adjusting rotating shaft, a fixed key is fixedly connected into the key groove, a separation groove is formed in the connecting hole close to the inner wall on one side of the symmetry center in a communicated mode, the cross section of the separation groove is larger than that of the connecting hole, the right end of the reset torsion spring is fixedly connected with the manual wheel, the manual, the manual wheel passes through the fixed key with adjust the pivot and connect, rotate this moment the manual wheel, and the accessible the fixed key drives adjust the pivot and rotate, work as the fixed key is located when breaking away from the inslot, at this moment the manual wheel slides in the restriction intracavity, at this moment the manual wheel with the fixed key and adjust the pivot and do not connect with, at this moment adjust the pivot with can rotate relatively between the manual wheel, at this moment adjust the pivot and drive ratchet rotation and can twist reverse the torsional spring that resets, work as driven sector gear with the initiative sector gear breaks away from the meshing back drive the spring effect of torsional spring that resets down driven sector gear adjust the pivot and the ratchet reversal.
The invention has the beneficial effects that: the invention can automatically process a workpiece into a die with a polygonal section, and when the die with different edge lengths is required to be processed, the device can be manually adjusted and the transmission mode in the device can be changed, so that the die with different edge lengths can be processed.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view showing the overall structure of a surface cutting apparatus for a metal mold having a polygonal cross section according to the present invention;
FIG. 2 is an enlarged schematic view of "A" of FIG. 1;
FIG. 3 is an enlarged schematic view of "B" of FIG. 1;
FIG. 4 is an enlarged schematic view of "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 2;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 2;
FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 2;
FIG. 8 is a schematic view of the structure in the direction "G-G" of FIG. 2;
FIG. 9 is a schematic view of the structure in the direction "H-H" of FIG. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-9, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a surface cutting device for a metal die with a polygonal section, which is mainly applied to the production of the metal die with the polygonal section, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a surface cutting device for a metal die with a polygonal cross section, which comprises a device main body 11, wherein a processing cavity 21 with an upward opening is arranged in the device main body 11, sliding centers 36 are symmetrically arranged in the processing cavity 21 in a left-right manner, can rotate and slide, can clamp a workpiece 20 through the sliding centers 36 on two sides, the cross section of the workpiece 20 before processing is circular, one end, close to a symmetrical center, of each sliding center 36 is abutted against the rotating center of the workpiece 20, a spring groove 55 with an opening deviating from the symmetrical center is arranged in each sliding center 36, a through groove 38 is connected in each spring groove 55 through a spline, a compression spring 56 is fixedly connected between the end, close to the symmetrical center, of each through groove 38 and the inner wall of each spring groove 55, close to the symmetrical center, under the elastic force action of the compression spring 56, the sliding centers 36 clamp the workpiece, the inner walls of the left side and the right side of the processing cavity 21 are symmetrically provided with transmission devices 100, one end of the through groove 38, which is far away from the symmetry center, is connected to the transmission device 100, the transmission devices 100 on the two sides are in threaded connection with a cutting device 102, the cutting device 102 is positioned on the upper side of the workpiece 20, the inner wall of the lower side of the processing cavity 21 is provided with a driving device 103, the left end and the right end of the driving device 103 are connected with the transmission devices 100 on the left side and the right side through a connecting belt 23, the driving device 103 is started, the transmission devices 100 are driven through the connecting belt 23, the sliding center 36 is driven to rotate through the through groove 38, the workpiece 20 is driven to rotate, the cutting device 102 is driven to cut the workpiece 20, the inner wall of the lower side of the processing cavity 21 is internally provided with a waste material cavity 19, and cut waste materials, manual adjusting devices 101 are symmetrically arranged in the processing cavity 21 in the left-right direction, one end, far away from the symmetry center, of each manual adjusting device 101 is connected with the transmission devices 100 on the left side and the right side through a fixed key 59, the manual adjusting devices 101 are driven manually, the transmission mode in the transmission devices 100 is changed through the fixed keys 59, at the moment, the driving devices 103 are started, and the cutting devices 102 are driven through the transmission devices 100 to process the workpiece 20 into dies with polygonal cross sections with different side lengths.
According to the embodiment, the driving device 103 will be described in detail below, the driving device 103 includes a communicating chamber 13 disposed in the inner wall of the lower side of the processing chamber 21, a driving bevel gear 18 is rotatably disposed in the communicating chamber 13, a motor shaft 16 is fixedly connected to the lower end of the driving bevel gear 18, a motor 17 is fixedly disposed in the inner wall of the lower side of the communicating chamber 13, the lower end of the motor shaft 16 is dynamically connected to the motor 17, driven bevel gears 15 are symmetrically and meshed with the left and right ends of the driving bevel gear 18, a driven rotating shaft 14 is fixedly connected to one end of the driven bevel gear 15 away from the symmetry center, a driving pulley 12 is rotatably disposed on one side of the driven bevel gear 15 away from the symmetry center, the lower ends of two connecting belts 23 are respectively connected to the driving pulleys 12 on both sides, the upper ends of the, the motor 17 is started, and the motor shaft 16 drives the drive bevel gear 18 to rotate, and further drives the driven bevel gear 15 to rotate, and further drives the drive pulley 12 to rotate through the driven rotating shaft 14, and further drives the transmission device 100 through the connecting belt 23.
According to the embodiment, the transmission device 100 is described in detail below, the transmission device 100 includes a bilateral symmetry transmission cavity 30 disposed in the inner walls of the left and right sides of the processing cavity 21, the inner wall of the lower side of the transmission cavity 30 is communicated with the communication cavity 13, a driven pulley 22 is rotatably disposed in the transmission cavity 30, the upper ends of the two connecting bands 23 are respectively connected to the driven pulleys 22 on the two sides, one end of the driven pulley 22 away from the symmetry center is fixedly connected with a connecting shaft 24, one side of the driven pulley 22 away from the symmetry center is rotatably provided with a driving sector gear 31, the driving sector gear 31 is fixedly connected to the connecting shaft 24, the upper end of the driving sector gear 31 is provided with a driven sector gear 32 in a meshed manner, the driven sector gear 32 is fixedly connected to an adjusting shaft 33 near the symmetry center, one end of the adjusting shaft 33 near the symmetry center is connected to the manual adjusting device 101 through, a ratchet wheel 34 is rotatably arranged on one side of the driven sector gear 32 close to the symmetry center, the ratchet wheel 34 is fixedly connected to the adjusting rotating shaft 33, a one-way wheel 35 is meshed with the upper end of the ratchet wheel 34, the ratchet wheel 34 can drive the one-way wheel 35 to rotate in a forward rotation mode, the ratchet wheel 34 cannot drive the one-way wheel 35 to rotate in a reverse rotation mode, one end of a one-way shaft 37, far away from the symmetry center, is fixedly connected to the one-way wheels 35 on two sides respectively, the driving pulley 12 rotates and drives the driven pulley 22 to rotate through the connecting belt 23, the driving sector gear 31 is driven to rotate through the connecting shaft 24, the driven sector gear 32 can be driven to rotate, the ratchet wheel 34 is driven to rotate through the adjusting rotating shaft 33, the one-way wheel 35 is driven to rotate, and the workpiece 20 is driven to rotate through the one, when the driving sector gear 31 is disengaged from the driven sector gear 32, the workpiece 20 does not rotate any more, and at this time, the rotating angle of the workpiece 20 is the included angle between two adjacent sides of the polygonal cross section, and the rotating angle of the workpiece 20 corresponds to the rotating angle of the driven sector gear 32.
Beneficially, a reset torsion spring 42 is fixedly connected between one end of the ratchet wheel 34 close to the symmetry center and the manual adjusting device 101, the manual adjusting device 101 is manually started, and then the fixing key 59 drives the adjusting rotating shaft 33 to reversely rotate, so as to drive the ratchet wheel 34 and the driven sector gear 32 to reversely rotate, so as to change an angle that the driven sector gear 32 can be meshed with the driving sector gear 31, further change a rotation angle of the driven sector gear 32 at each time, further change a rotation angle of the workpiece 20 at each time, and then change an included angle between two adjacent sides of the polygonal cross section of the workpiece 20.
Beneficially, one end of the connecting shaft 24, which is far away from the symmetry center, is fixedly connected with a large gear 25, an engaging groove 26, the opening of which deviates from the symmetry center, is arranged in the large gear 25, a connecting wheel 27 is rotatably arranged in the engaging groove 26, the rear end of the connecting wheel 27 is engaged with a connecting gear 62, the rear end of the connecting gear 62 can be engaged with the large gear 25, a driving pulley 43 is rotatably arranged on the upper side of the connecting wheel 27, a driving belt 29 is connected between the connecting wheel 27 and the driving pulley 43, acceleration transmission is performed between the connecting wheel 27 and the driving pulley 43, a cantilever shaft 44 is fixedly connected in the driving pulley 43, one end of the cantilever shaft 44, which is close to the symmetry center, is fixedly connected with an intermediate gear 51, symmetrical gears 45 are symmetrically and rotatably arranged on the upper side and the lower side of the intermediate gear 51, the middle gear 51 can not be simultaneously meshed with the symmetrical gears 45 on the upper and lower sides, the symmetrical gear 45 is close to one end of the processing cavity 21 and is fixedly connected with a symmetrical rotating shaft 46, the symmetrical rotating shaft 46 is close to one end of the processing cavity 21 and is rotatably connected to the inner wall of the transmission cavity 30 close to one side of the symmetrical center, the symmetrical gear 45 is close to one side of the processing cavity 21 and is rotatably provided with a symmetrical belt wheel 47, the symmetrical belt wheel 47 is fixedly connected with the symmetrical rotating shaft 46, a middle belt wheel 50 is rotatably arranged between the symmetrical belt wheels 47 on the upper and lower sides, a synchronous belt 48 is respectively connected between the middle belt wheel 50 and the symmetrical belt wheels 47 on the upper and lower sides, a screw 49 is fixedly connected between the middle belt wheels 50 on both sides, the cutting device 102 is in threaded connection with the screw 49, the connecting shaft 24 rotates and drives the, and then the connecting wheel 27 is driven to rotate, and further the driving belt wheel 43 is driven to rotate by the driving belt 29, and further the middle gear 51 is driven to rotate by the cantilever shaft 44, and further the symmetrical gear 45 can be driven to rotate, and the rotating directions of the symmetrical gears 45 on both sides are opposite, and further the symmetrical gears 45 drive the symmetrical belt wheel 47 to rotate by the symmetrical rotating shaft 46, and further the middle belt wheel 50 is driven to rotate by the synchronous belt 48, and further the cutting device 102 is driven to slide back and forth left and right by the screw 49 and cut the workpiece 20.
Advantageously, when the driving sector gear 31 is engaged with the driven sector gear 32, the connecting gear 62 is not engaged with the gearwheel 25, and when the driving sector gear 31 is not engaged with the driven sector gear 32, the connecting gear 62 is engaged with the gearwheel 25.
Beneficially, connecting wheel 27 is kept away from centre of symmetry one end and is linked firmly fixed axle 28, fixed axle 28 is kept away from centre of symmetry one end and is rotated connect in drive chamber 30 keeps away from centre of symmetry one side inner wall, connecting gear 62 is kept away from centre of symmetry one end and is linked firmly back shaft 57, back shaft 57 keep away from centre of symmetry one end rotate connect in drive chamber 30 keeps away from centre of symmetry one side inner wall, back shaft 57 with fixed axle 28 can support the post respectively connecting gear 62 with connecting wheel 27.
According to an embodiment, the cutting device 102 is described in detail below, the cutting device 102 includes a slide block 52 capable of sliding left and right, the slide block 52 is connected to the screw 49 in a threaded manner, a connecting rod 53 is connected to the lower end of the slide block 52, a cutting blade 54 is connected to the lower end of the connecting rod 53, both left and right ends of the cutting blade 54 can be used for cutting, the screw 49 rotates and can drive the slide block 52 to slide left and right in a reciprocating manner, and further the connecting rod 53 can slide left and right in a reciprocating manner, so as to drive the cutting blade 54 to slide left and right in a reciprocating manner and cut the workpiece 20.
According to the embodiment, the following description is made in detail on the manual adjustment device 101, the manual adjustment device 101 includes a communicating through groove 38 formed in the inner wall of the transmission cavity 30 close to the symmetric center, the communicating through groove 38 is close to the inner wall of the symmetric center and provided with a limiting cavity 39, the limiting cavity 39 is communicated with the processing cavity 21, a manual wheel 41 is arranged in the processing cavity 21 in a bilateral symmetry and slidable manner, a connecting hole 40 with an opening deviating from the symmetric center is formed in the manual wheel 41, one end of the adjusting rotating shaft 33 close to the symmetric center extends into the connecting hole 40, a key slot 58 with an opening facing the symmetric center is formed in the adjusting rotating shaft 33, the fixing key 59 is fixedly connected in the key slot 58, the connecting hole 40 is close to the communicating separating groove 61 in the inner wall of the symmetric center and provided with a cross section larger than the cross section of the connecting hole 40, reset torsion spring 42 right-hand member link firmly in manual wheel 41 slides manual wheel 41 works as fixed key 59 is located during in the connecting hole 40, manual wheel 41 passes through fixed key 59 with adjust pivot 33 and connect, rotate this moment manual wheel 41, and the accessible fixed key 59 drives adjust pivot 33 and rotate, works as fixed key 59 is located when breaking away from the inslot 61, at this moment manual wheel 41 slides in the restriction chamber 39, at this moment manual wheel 41 with fixed key 59 and adjust pivot 33 and do not connect, at this moment adjust pivot 33 with can rotate relatively between manual wheel 41, at this moment adjust pivot 33 and drive ratchet 34 rotates and can twist reset torsion spring 42, work as driven sector gear 32 with driving sector gear 31 breaks away from the meshing back drive torsion spring 42's elasticity effect down driven sector gear 32, The adjustment shaft 33 and the ratchet 34 are reversely rotated.
The following describes in detail the use steps of a polygonal-section metal mold surface cutting apparatus in this document with reference to fig. 1 to 9:
initially, the manual wheel 41 is not connected to the fixed key 59 and the adjustment shaft 33, and the slide 52 is at the right extreme position, where the driven sector gear 32 is not engaged with the driving sector gear 31, where the large gear 25 is engaged with the connecting gear 62, and where the intermediate gear 51 is engaged with the upper symmetrical gear 45.
When the workpiece clamping device is used, a workpiece 20 is clamped between the sliding centers 36 on two sides, the workpiece 20 is clamped under the elastic force of the compression spring 56, the motor 17 is started, the drive bevel gear 18 is driven to rotate through the motor shaft 16, the driven bevel gear 15 is driven to rotate, the drive pulley 12 is driven to rotate through the driven rotating shaft 14, the driven pulley 22 is driven to rotate through the connecting belt 23, the drive fan gear 31 and the large gear 25 are driven to rotate through the connecting shaft 24, the driven fan gear 32 is not meshed with the drive fan gear 31, the large gear 25 is meshed with the connecting gear 62, the large gear 25 drives the connecting gear 62 to rotate, the connecting wheel 27 is driven to rotate, the driving belt wheel 43 is driven to rotate at an accelerated speed through the driving belt 29, the middle gear 51 is driven to rotate through the cantilever shaft 44, the symmetrical gear 45 on the upper side is driven to rotate, and the symmetrical belt wheel 47 on the upper side, then the intermediate belt wheel 50 is driven to rotate by the upper synchronous belt 48, the slide block 52 is driven to slide leftwards by the screw 49, the cutting knife 54 is driven to slide leftwards by the connecting rod 53 and cut the workpiece 20, when the slide block 52 slides to the left limit position, the large gear 25 is disengaged from the connecting gear 62, at the moment, the driving sector gear 31 is engaged with the driven sector gear 32, at the moment, the intermediate gear 51 is just disengaged from the upper symmetrical gear 45, and the intermediate gear 51 is engaged with the lower symmetrical gear 45, the driving sector gear 31 rotates and drives the driven sector gear 32 to rotate, further the ratchet wheel 34 is driven to rotate by adjusting the rotating shaft 33 and twists the reset torsion spring 42, meanwhile, the ratchet wheel 34 drives the one-way wheel 35 to rotate, further the workpiece 20 is driven to rotate by the one-way shaft 37 and the sliding tip 36, when the driving sector gear 31 is disengaged from the, at the moment, the workpiece 20 rotates a certain angle, at the moment, the driven sector gear 32, the adjusting rotating shaft 33 and the ratchet wheel 34 are driven to rotate reversely under the action of the elastic force of the reset torsion spring 42, at the moment, the ratchet wheel 34 cannot drive the one-way wheel 35 to rotate, at the moment, the driven sector gear 32 rotates reversely and returns to the initial state, at the moment, the large gear 25 is meshed with the connecting gear 62 again, further, the middle gear 51 is driven to drive the symmetrical gear 45 on the lower side to rotate, further, the middle pulley 50 is driven to rotate through the symmetrical rotating shaft 46, the symmetrical pulley 47 and the synchronous belt 48 on the lower side, further, the screw 49 drives the slide block 52, the connecting rod 53 and the cutting blade 54 to slide rightwards and cut the workpiece 20 until the cutting blade 54 slides to the right limit position, at the moment, the device returns to the initial state, at the moment, until the workpiece 20 has just rotated through one revolution.
When the angle between two adjacent sides of the polygonal cross section of the workpiece 20 needs to be changed, the motor 17 is stopped, the driving sector gear 31 is not engaged with the driven sector gear 32 at this time, the manual wheel 41 is pulled, the manual wheel 41 slides out of the limiting cavity 39, the fixed key 59 slides into the connecting hole 40 and is connected with the manual wheel 41, the manual wheel 41 is rotated at this time, the adjusting rotating shaft 33 is driven to rotate reversely through the fixed key 59, the ratchet wheel 34 and the driven sector gear 32 are driven to rotate reversely, the ratchet wheel 34 cannot drive the one-way wheel 35 to rotate, the angle of the driving sector gear 31 driving the driven sector gear 32 to rotate can be changed when the driven sector gear 32 is engaged with the driving sector gear 31 every time, and the angle of the workpiece 20 rotating every time can be changed, so that the included angle between two adjacent sides of the polygonal cross section of the workpiece 20 can be changed.
The invention has the beneficial effects that: the invention can automatically process a workpiece into a die with a polygonal section, and when the die with different edge lengths is required to be processed, the device can be manually adjusted and the transmission mode in the device can be changed, so that the die with different edge lengths can be processed.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (1)

1. A surface cutting device for a metal mold with a polygonal section comprises a device main body, and is characterized in that: a processing cavity with an upward opening is formed in the device main body, sliding centers are symmetrically arranged in the processing cavity in a bilateral mode, can rotate and can slide, a workpiece can be clamped through the sliding centers on two sides, the cross section of the workpiece before processing is circular, and one end, close to a symmetric center, of each sliding center abuts against the rotating center of the workpiece; a spring groove with an opening deviating from the symmetric center is arranged in the sliding center, a through groove is connected in the spring groove through a spline, a pressing spring is fixedly connected between the end, close to the symmetric center, of the through groove and the inner wall of the spring groove, close to the symmetric center, on one side, and the sliding center clamps the workpiece under the action of the elastic force of the pressing spring; transmission devices are symmetrically arranged in the inner walls of the left side and the right side of the processing cavity, one end, far away from the symmetric center, of the through groove is connected to the transmission devices, a cutting device is in threaded connection between the transmission devices on the two sides, and the cutting device is located on the upper side of the workpiece; a driving device is arranged in the inner wall of the lower side of the processing cavity, and the left end and the right end of the driving device are connected with the transmission devices on the left side and the right side through connecting belts; the inner wall of the lower side of the processing cavity is internally provided with a waste material cavity in a communicated manner, cut waste materials can be stored in the waste material cavity, manual adjusting devices are symmetrically arranged in the processing cavity in the left and right direction, and one ends of the manual adjusting devices, which are far away from the symmetric center, can be respectively connected with the transmission devices on the left and right sides through fixed keys; the driving device comprises a communicating cavity arranged in the inner wall of the lower side of the processing cavity, a driving bevel gear is rotatably arranged in the communicating cavity, the lower end of the driving bevel gear is fixedly connected with a motor shaft, a motor is fixedly arranged in the inner wall of the lower side of the communicating cavity, and the lower end of the motor shaft is in power connection with the motor; the left end and the right end of the driving bevel gear are symmetrically provided with driven bevel gears in a meshed manner, one ends of the driven bevel gears, which are far away from the symmetry center, are fixedly connected with driven rotating shafts, one sides of the driven bevel gears, which are far away from the symmetry center, are rotatably provided with driving belt wheels, the lower ends of the two connecting belts are respectively connected to the driving belt wheels on the two sides, and the upper ends of the connecting belts are respectively connected to the transmission devices on the two sides; the transmission device comprises transmission cavities which are arranged in the inner walls of the left side and the right side of the processing cavity in a bilateral symmetry mode, the inner walls of the lower side of the transmission cavities are communicated with the communication cavities, driven belt wheels are rotatably arranged in the transmission cavities, and the upper ends of the two connecting belts are respectively connected to the driven belt wheels on the two sides; one end of the driven belt wheel, which is far away from the symmetry center, is fixedly connected with a connecting shaft, one side of the driven belt wheel, which is far away from the symmetry center, is rotatably provided with a driving sector gear, the driving sector gear is fixedly connected with the connecting shaft, the upper end of the driving sector gear can be meshed with a driven sector gear, one end of the driven sector gear, which is close to the symmetry center, is fixedly connected with an adjusting rotating shaft, and one end of the adjusting rotating shaft, which is close to the symmetry center, is connected with the manual adjusting device; the driven sector gear is rotatably provided with a ratchet wheel close to one side of the symmetry center, the ratchet wheel is fixedly connected with the adjusting rotating shaft, the upper end of the ratchet wheel is meshed with a one-way wheel, the ratchet wheel can drive the one-way wheel to rotate when rotating forwards, the ratchet wheel cannot drive the one-way wheel to rotate when rotating backwards, and one end of the one-way shaft, far away from the symmetry center, is fixedly connected with the one-way wheels on two sides respectively; a reset torsion spring is fixedly connected between one end of the ratchet wheel close to the symmetry center and the manual adjusting device; one end, far away from the symmetry center, of the connecting shaft is fixedly connected with a large gear, a meshing groove with an opening deviating from the symmetry center is formed in the large gear, a connecting wheel is rotatably arranged in the meshing groove, the rear end of the connecting wheel is meshed with a connecting gear, and the rear end of the connecting gear can be meshed with the large gear; a driving belt wheel is rotatably arranged on the upper side of the connecting wheel, a driving belt is connected between the connecting wheel and the driving belt wheel, and accelerated transmission is performed between the connecting wheel and the driving belt wheel; a cantilever shaft is fixedly connected in the transmission belt wheel, one end of the cantilever shaft, which is close to a symmetry center, is fixedly connected with a middle gear, symmetrical gears are symmetrically and rotatably arranged on the upper side and the lower side of the middle gear, the middle gear can be respectively meshed with the symmetrical gears on the upper side and the lower side, and the middle gear cannot be simultaneously meshed with the symmetrical gears on the upper side and the lower side; one end of the symmetrical gear, which is close to the processing cavity, is fixedly connected with a symmetrical rotating shaft, and one end of the symmetrical rotating shaft, which is close to the processing cavity, is rotatably connected to the inner wall of the transmission cavity, which is close to the symmetrical center; symmetrical belt wheels are rotatably arranged on one side, close to the machining cavity, of the symmetrical gear, the symmetrical belt wheels are fixedly connected to the symmetrical rotating shafts, an intermediate belt wheel is rotatably arranged between the symmetrical belt wheels on the upper side and the lower side, and synchronous belts are respectively connected between the intermediate belt wheel and the symmetrical belt wheels on the upper side and the lower side; a screw rod is fixedly connected between the middle belt wheels at the two sides, and the cutting device is in threaded connection with the screw rod; when the driving sector gear is meshed with the driven sector gear, the connecting gear is not meshed with the large gear, and when the driving sector gear is not meshed with the driven sector gear, the connecting gear is meshed with the large gear; one end of the connecting wheel, far away from the symmetry center, is fixedly connected with a fixed shaft, one end of the fixed shaft, far away from the symmetry center, is rotatably connected to the inner wall of the transmission cavity, far away from the symmetry center, is fixedly connected with a supporting shaft, one end of the supporting shaft, far away from the symmetry center, is rotatably connected to the inner wall of the transmission cavity, far away from the symmetry center, and the supporting shaft and the fixed shaft can respectively support the connecting gear and the connecting wheel; the cutting device comprises a sliding block capable of sliding left and right, the sliding block is in threaded connection with the screw rod, the lower end of the sliding block is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a cutting knife, and the left end and the right end of the cutting knife can be used for cutting; the manual adjusting device comprises a through groove communicated with the transmission cavity and arranged in the inner wall of one side close to the symmetry center, a limiting cavity is communicated with the through groove and arranged in the inner wall of one side close to the symmetry center, and the limiting cavity is communicated with the processing cavity; the processing cavity is internally provided with manual wheels which are bilaterally symmetrical and can slide, connecting holes with openings deviating from the symmetrical center are formed in the manual wheels, and one end of the adjusting rotating shaft, which is close to the symmetrical center, extends into the connecting holes; a key groove with an opening facing the symmetry center is formed in the adjusting rotating shaft, the fixed key is fixedly connected in the key groove, a separation groove is formed in the inner wall of one side, close to the symmetry center, of the connecting hole in a communicated mode, and the cross section of the separation groove is larger than that of the connecting hole; the right end of the reset torsion spring is fixedly connected with the manual wheel.
CN201911023796.1A 2019-10-25 2019-10-25 Metal mold surface cutting device with polygonal cross section Active CN110695730B (en)

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JP2020027583A JP2021066007A (en) 2019-10-25 2020-02-20 Surface cutting device for metal mold having polyhedral cross section

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Effective date of registration: 20230404

Address after: 226000 Group 18, Denggao Community, Motou Town, Rugao City, Nantong City, Jiangsu Province

Patentee after: Nantong Keyu Mold Technology Co.,Ltd.

Address before: No. 91 Duxiu Road, Ganlin Town, Shengzhou City, Shaoxing City, Zhejiang Province, 311800

Patentee before: Shengzhou Yueming Mould Technology Co.,Ltd.