CN109202496A - A kind of crankshaft punching Special clamping device - Google Patents

A kind of crankshaft punching Special clamping device Download PDF

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Publication number
CN109202496A
CN109202496A CN201811394979.XA CN201811394979A CN109202496A CN 109202496 A CN109202496 A CN 109202496A CN 201811394979 A CN201811394979 A CN 201811394979A CN 109202496 A CN109202496 A CN 109202496A
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CN
China
Prior art keywords
pedestal
waste material
plate
slot
crankshaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811394979.XA
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Chinese (zh)
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CN109202496B (en
Inventor
王仁乔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Jianshi Machinery Co Ltd
Original Assignee
Ningbo Jianshi Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201811394979.XA priority Critical patent/CN109202496B/en
Publication of CN109202496A publication Critical patent/CN109202496A/en
Application granted granted Critical
Publication of CN109202496B publication Critical patent/CN109202496B/en
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Classifications

    • 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
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • 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
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum
    • 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
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
    • B23Q2703/105—Devices for clamping workpieces of a particular form or made from a particular material for clamping a crankshaft

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a kind of crankshafts to punch Special clamping device, including pedestal, the pedestal is equipped with left skateboard and right slide plate, compact heap is equipped on the pedestal between left skateboard and right slide plate, the compact heap is equipped with first sliding groove, compression pulling plate is slidably connected in the first sliding groove, and the first screw rod is rotatably connected in the first sliding groove；The left skateboard and right slide plate are equipped with the first notch；The compression pulling plate is equipped with the second notch；The pedestal is equipped with multiple locating slide rods, and the threaded upper ends of locating slide rod are connected with adjusting bolt；Holddown spring is socketed on the locating slide rod；Driving hole is equipped in pedestal, the lower end of compact heap is equipped with drive screw, driving cylinder is equipped in pedestal；Pedestal is equipped with short axle crank throw fixed mechanism；The crankshaft drilling clamping device is not only simple in structure, and can carry out appropriate adjustment according to punching and the relative rotation of crank throw.

Description

A kind of crankshaft punching Special clamping device
Technical field
The present invention relates to Crankshaft Machining technical fields, in particular to a kind of crankshaft to punch Special clamping device.
Background technique
Crankshaft is the main rotating mechanism of engine, it, which is responsible for, is changed into the circle of itself for pumping for piston Zhou Yundong, and the engine speed usually described in us is exactly the revolving speed of crankshaft.Crankshaft as shown in Figure 9 includes short axle 001, song Turn 002 and both ends be equipped with the long axis 003 of locating notch 30, one end of the crank throw is fixedly connected with one end of long axis, institute The other end for stating crank throw is fixedly connected with one end of short axle, and the short axle and long axis are parallel to each other.With crankshaft application range Expand, some crankshafts needs are punched on the circumference side of long axis, although there are some dedicated punching folders in the prior art Tool, but the corner punched relative to crank throw can not be adjusted as needed；Allow to adjust the also more no trouble that operates； In addition the waste material generated in drill process will also be cleared up manually, also take up larger space since waste material is more fluffy.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of crankshaft punching Special clamping devices to be not only simple in structure, and can fast implement song The punching of axis, while appropriate adjustment can be carried out according to punching and the relative rotation of crank throw.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of crankshaft punches Special clamping device, including pedestal, Left skateboard and right slide plate are equipped on the pedestal side by side upwards along the vertical direction, on the pedestal between left skateboard and right slide plate Compact heap is connected with along vertical sliding, is equipped with first sliding groove along the length direction perpendicular to pedestal on the compact heap, described the Compression pulling plate is slidably connected in one sliding slot, be rotatably connected in the first sliding groove be arranged along its length for driving Compress the first mobile screw rod of pulling plate；It is equipped at top position for putting on the side of the left skateboard and right slide plate Set the first notch of long axis；The second slot for placing long axis is equipped on the compression pulling plate on the side towards the first notch Mouthful；
It is equipped with multiple locating slide rods on the pedestal upwards along the vertical direction, the compact heap is equipped with the multiple and positioning and slides The slide guide hole of bar cooperation；The threaded upper ends of the locating slide rod are connected with adjusting bolt；Bolt is being adjusted on the locating slide rod The holddown spring for forcing the compact heap to move downward is socketed between compact heap；
It is equipped with driving hole along the vertical direction in the lower section of compact heap in the pedestal, the lower end of the compact heap is described equipped with protruding into Drive screw in driving hole；Telescopic end is installed in the lower end of driving hole in the pedestal to fix with the drive screw lower end The driving cylinder of connection；Short axle crank throw fixed mechanism is equipped in the left side of left skateboard on the pedestal.
Through the above technical solutions, driving cylinder protrudes through transmission spiral shell when crankshaft punching Special clamping device work Compact heap is jacked up upwards and compresses holddown spring by bar；Then first long axis of crankshaft is put on left skateboard and right slide plate In notch；Then short axle is inserted into short axle crank throw fixed mechanism；Then it rotates the first screw rod and drives and be located in first sliding groove Pulling plate is compressed to long axis direction movement, and enters the long axis of crankshaft in the second notch；Then pass through the fixed machine of short axle crank throw Structure adjusts the steering of crank throw, while crank throw being pressed on left skateboard, finally cylinder is driven to shrink, compact heap is in holddown spring It is moved downward under effect, and then drives and compress the fixation that the long shaft compression of crankshaft is completed crankshaft by pulling plate；It is multiple fixed to be provided with Position slide bar and multiple holddown springs enable to the compression of crankshaft to be more uniformly stressed；Simultaneously can by rotation adjust bolt come Change the pretightning force of holddown spring.
In further technical solution, the short axle crank throw fixed mechanism includes the first sliding block, geared worm, transmission snail It takes turns, the second screw rod, is equipped with second sliding slot, first sliding block along the length direction of pedestal in the left side of left skateboard on the pedestal It is slidably connected in the second sliding slot, second screw rod is rotatably connected in second sliding slot along the length direction of pedestal and is used for The first sliding block is driven to move in second sliding slot；First sliding block is equipped with the installation side being parallel to each other with the left skateboard Plate, the transmission worm gear are rotatably connected in installation side plate, and the long axis of the shaft of the transmission worm gear and crankshaft is coaxially disposed； On first sliding block close to installation side plate two side positions at be equipped with protrusive board, the geared worm be rotatably connected on two it is convex It is engaged between plate and with the transmission worm gear；The inclined of the short axle grafting for crankshaft is equipped at the eccentric position of the transmission worm gear Arbor hole；The convex top of taper is equipped in the transmission worm gear at the end face center position towards left skateboard, the taper is convex very useful Crank throw held out against on the left side of left skateboard in the locating notch of insertion long axis left end.
Through the above technical solutions, driving the first sliding block by the second screw rod of rotation when short axle crank throw fixed mechanism works It is mobile to left skateboard direction, and then the short axle of crankshaft is inserted into the eccentric pivot hole of transmission worm gear, while by the convex tip cutting of taper In the locating notch for entering long axis left end；Then transmission worm gear rotation is driven by rotation geared worm, and then passes through short axle and song It turns driving long axis and turns to the position for needing to punch；It finally continues to rotate the second screw rod and is held out against crank throw on a left side by the convex top of taper On slide plate.
In further technical solution, perforative cunning is arranged right below at the punch position of long axis in the compact heap Hole, for the pedestal equipped with the slide guide protrusion in insertion slide opening, the slide guide protrusion is interior to be equipped with upper end opening along the vertical direction First scrap chute；It is equipped with the waste material push of right-end openings in the pedestal in the horizontal direction in the lower end of the first scrap chute Slot；It is equipped with the second scrap chute vertically downwards on the bottom surface of waste material push slot in the pedestal；In the pedestal The lower end of second scrap chute is equipped with the drawer slot communicated therewith, and the pumping for holding waste material is slidably connected in the drawer slot Drawer；
The annular grooving being connected to the driving hole and waste material push slot, and the center of the annular grooving are equipped in the pedestal On the axis of driving hole；The cam connecting with the drive screw is equipped in the annular grooving；The waste material pushes slot Waste material push plate is inside slidably connected, the left side of the waste material push slot is equipped with for waste material push plate to be pressed on cam Tension spring；Briquetting is slidably connected in the waste material push slot, and fixation is installed at the right-end openings position of the waste material push slot Plate；The first spring is equipped in the waste material push slot between briquetting and fixed plate, the center of the fixed plate is equipped with resistance Buddhist nun's stomata；
When the long axis to crankshaft punches, on the basic circle that waste material push plate is pressed on cam under the action of tension spring and it is located at The left side of first scrap chute lower ending opening；The first spring is in nature elongation state, the briquetting connecting with the first spring simultaneously Sealed at the upper end opening of the second scrap chute and by the upper end opening of the second scrap chute, punch the waste material of generation from First scrap chute is fallen into waste material push slot, and waste material is between waste material push plate and briquetting；When removing crankshaft due to driving Cylinder of taking offence stretches out driving drive screw and moves upwards, and then drives cam rotation, and cam pushes waste material push plate that will push away positioned at waste material It send the waste material in slot to push briquetting to be compressed, simultaneously because damping stomata moves briquetting slowly to the right and compresses the first bullet Spring, and then the upper end opening of the second scrap chute is opened；When drive screw, which moves downward, clamps crankshaft, drive screw driving Cam rotates backward, waste material push plate separate briquetting under the action of tension spring, so that the waste material between waste material push plate and briquetting It falls into the second scrap chute, is fallen into drawer into the waste material in the second scrap chute, simultaneously because damping stomata to press Block slowly moves downward under the action of the first spring.
In further technical solution, it is equipped with shaft in the end face center position far from left skateboard in the transmission worm gear, The installation side plate is equipped with shaft hole, and the shaft is rotatably connected on the shaft hole；Shaft hole is being passed through in the shaft One end caging bolt is installed.
(3) beneficial effect
Compared with prior art, when technical solution of the present invention has the advantage that crankshaft punching Special clamping device work, Driving cylinder protrudes through drive screw and jacks up compact heap upwards and compress holddown spring；Then the long axis of crankshaft is put into In the first notch on left skateboard and right slide plate；Then short axle is inserted into short axle crank throw fixed mechanism；Then first is rotated Bar drives the compression pulling plate being located in first sliding groove mobile to long axis direction, and enters the long axis of crankshaft in the second notch； Then the steering of crank throw is adjusted by short axle crank throw fixed mechanism, while crank throw being pressed on left skateboard, finally drives cylinder It shrinks, compact heap moves downward under the action of holddown spring, and then drives the long shaft compression completion song for compressing pulling plate for crankshaft The fixation of axis；It is provided with multiple locating slide rods and multiple holddown springs enables to the compression of crankshaft to be more uniformly stressed；Together When bolt can be adjusted by rotation to change the pretightning force of holddown spring；In addition the waste material that can also be generated to punching compresses And collection.
Detailed description of the invention
Principal section structural schematic diagram when Fig. 1 is a kind of crankshaft punching Special clamping device clamping crankshaft in the present invention；
Fig. 2 is the schematic diagram of the section structure in Fig. 1 at B-B；
Fig. 3 is the schematic diagram of the section structure in Fig. 1 at C-C；
Fig. 4 is the schematic diagram of the section structure in Fig. 1 at D-D；
Fig. 5 is the schematic diagram of the section structure in Fig. 1 at E-E；
Fig. 6 is the enlarged structure schematic diagram in Fig. 1 at A；
Principal section structural schematic diagram when Fig. 7 is a kind of crankshaft punching Special clamping device release crankshaft in the present invention；
Top view when Fig. 8 is a kind of crankshaft punching Special clamping device clamping crankshaft in the present invention；
Fig. 9 is the schematic diagram of the section structure of crankshaft in the present invention.
Specific embodiment
It please refers to shown in Fig. 1-9, a kind of crankshaft punching Special clamping device, including pedestal 1, along vertical on the pedestal 1 Direction is equipped with left skateboard 2 and right slide plate 3 side by side upwards, along vertical sliding between left skateboard 2 and right slide plate 3 on the pedestal 1 It is connected with compact heap 4, is slided along the length direction perpendicular to pedestal 1 equipped with first sliding groove 401, described first on the compact heap 4 It is slidably connected in slot 401 and compresses pulling plate 5, being used for of being arranged along its length is rotatably connected in the first sliding groove 401 Driving compresses the first mobile screw rod 6 of pulling plate 5；It is all provided on the side of the left skateboard 2 and right slide plate 3 at top position There is the first notch 7 for placing long axis 003；Described compress is equipped on the side towards the first notch 7 for putting on pulling plate 5 Set the second notch 501 of long axis 003.
Set upwards along the vertical direction on the pedestal 1 there are four locating slide rod 8, set on the compact heap 4 there are four with institute State the slide guide hole of the cooperation of locating slide rod 8；The threaded upper ends of the locating slide rod 8, which are connected with, adjusts bolt 9；The locating slide rod 8 On adjusting the holddown spring 10 being socketed between bolt 9 and compact heap 4 for forcing the compact heap 4 to move downward.
It is equipped with driving hole 101 along the vertical direction in the lower section of compact heap 4 in the pedestal 1, the lower end of the compact heap 4 is set There is the drive screw 11 protruded into the driving hole 101；In the pedestal 1 the lower end of driving hole 101 be equipped with telescopic end with The driving cylinder 12 that 11 lower end of drive screw is fixedly connected；Short axle crank throw is equipped in the left side of left skateboard 2 on the pedestal 1 Fixed mechanism.
The short axle crank throw fixed mechanism include the first sliding block 13, geared worm 14, transmission worm gear 15, the second screw rod 16, It is equipped with second sliding slot 102 along the length direction of pedestal 1 in the left side of left skateboard 2 on the pedestal 1, first sliding block 13 slides It is connected in the second sliding slot 102, second screw rod 16 is rotatably connected on second sliding slot 102 along the length direction of pedestal 1 It is interior to be moved for the first sliding block 13 of driving in second sliding slot 102；First sliding block 13 is equipped with and 2 phase of left skateboard Mutually parallel installation side plate 17, the transmission worm gear 15 are rotatably connected in installation side plate 17, and turn of the transmission worm gear 15 The coaxial arrangement of the long axis 003 of axis and crankshaft；It is equipped at two side positions close to installation side plate 17 on first sliding block 13 convex Plate 18, the geared worm 14 are rotatably connected between two protrusive boards 18 and engage with the transmission worm gear 15；The transmission snail The eccentric pivot hole 1501 of 001 grafting of short axle for crankshaft is equipped at the eccentric position of wheel 15；In court in the transmission worm gear 15 The convex top 19 of taper is equipped with to the end face center position of left skateboard 2, the convex top 19 of taper is for being inserted into determining for 003 left end of long axis Crank throw 002 is held out against on the left side of left skateboard 2 in the notch 30 of position.
Perforative slide opening 402, the pedestal 1 are arranged right below at the punch position of long axis 003 in the compact heap 4 The slide guide protrusion 103 being equipped in insertion slide opening 402, in the slide guide protrusion 103 along the vertical direction equipped with upper end opening the One scrap chute 104；It is equipped with the waste material of right-end openings in the horizontal direction in the lower end of the first scrap chute 104 in the pedestal 1 Push slot 105；It is equipped with the second scrap chute vertically downwards on the bottom surface of waste material push slot 105 in the pedestal 1 106；The drawer slot 107 communicated therewith is equipped in the pedestal 1 in the lower end of the second scrap chute 106, in the drawer slot 107 Slidably connect the drawer 20 for holding waste material.
The annular grooving 108 being connected to the driving hole 101 and waste material push slot 105 is equipped in the pedestal 1, and described The center of annular grooving 108 is located on the axis of driving hole 101；It is equipped with and the drive screw 11 in the annular grooving 108 The cam 21 of threaded connection；Waste material push plate 22 is slidably connected in the waste material push slot 105, the waste material push slot 105 Left side is equipped with the tension spring 23 for being pressed on waste material push plate 22 on cam 21；Sliding connects in the waste material push slot 105 It is connected to briquetting 24, fixed plate 25 is installed at the right-end openings position of the waste material push slot 105；The waste material pushes slot 105 The first spring 26 is equipped between inherent briquetting 24 and fixed plate 25, the center of the fixed plate 25 is equipped with damping stomata 2501。
Shaft 27, the installation side plate 17 are equipped in the end face center position far from left skateboard 2 in the transmission worm gear 15 It is equipped with shaft hole 1701, the shaft 27 is rotatably connected on the shaft hole 1701；Shaft hole is being passed through in the shaft 27 1701 one end is equipped with caging bolt 28.
The crankshaft punch Special clamping device work when, driving cylinder 12 protrude through drive screw 11 by compact heap 4 to It is upper to jack up and compress holddown spring 10；Then the first notch 7 long axis of crankshaft 003 being put on left skateboard 2 and right slide plate 3 It is interior；Then the first sliding block 13 is driven to drive transmission worm gear 15 mobile to 2 direction of left skateboard by the second screw rod 16 of rotation, and then will The short axle of crankshaft is inserted into the eccentric pivot hole 1501 of transmission worm gear 15, while 003 left end of long axis is inserted on the convex top 19 of taper In locating notch 30；Then rotating the first screw rod 6 drives the compression pulling plate 5 being located in first sliding groove 401 to move to 003 direction of long axis It is dynamic, and enter the long axis 003 of crankshaft in the second notch 501；Then transmission worm gear 15 is driven by rotation geared worm 14 Rotation, and then drive long axis 003 to turn to the position for needing to punch by short axle and crank throw 002；Then proceed to rotation second Bar 16 is held out against crank throw 002 on left skateboard 2 by the convex top 19 of taper；Finally driving cylinder 12 is shunk, and compact heap 4 is compressing bullet It is moved downward under the action of spring 10, drives and compress the fixation that the long axis 003 of crankshaft is compressed completion crankshaft by pulling plate 5；It is provided with Multiple locating slide rods 8 and multiple holddown springs 10 enable to the compression of crankshaft to be more uniformly stressed；Rotation can be passed through simultaneously Bolt 9 is adjusted to change the pretightning force of holddown spring 10.
When the long axis 003 to crankshaft punches, waste material push plate 22 is pressed on cam 21 under the action of tension spring 23 Left side on basic circle and positioned at 104 lower ending opening of the first scrap chute；The first spring 26 is in nature elongation state simultaneously, with The briquetting 24 of first spring 26 connection is located at the upper end opening of the second scrap chute and by the upper end opening of the second scrap chute It seals, the waste material for punching generation is fallen into waste material push slot 105 from the first scrap chute 104, and waste material is located at waste material push plate 22 Between briquetting 24；It moves upwards, and then drives convex since driving cylinder 12 stretches out driving drive screw 11 when removing crankshaft 21 rotation of wheel, the promotion waste material push plate 22 of cam 21 are pushed the waste material being located in waste material push slot 105 to briquetting 24 and are compressed, together When briquetting 24 slowly moved to the right and compress the first spring 26 due to damping stomata 2501, and then by the second scrap chute Upper end opening is opened；When drive screw 11, which moves downward, clamps crankshaft, drive screw 11 drives cam 21 to rotate backward, waste material The separate briquetting 24 under the action of tension spring 23 of push plate 22, so that the waste material between waste material push plate 22 and briquetting 24 falls into second It in scrap chute, is fallen into drawer 20 into the waste material in the second scrap chute, simultaneously because damping stomata 2501 makes briquetting 24 slowly move downward under the action of the first spring 26.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (4)

1. a kind of crankshaft punches Special clamping device, including pedestal, which is characterized in that on the pedestal along the vertical direction upwards simultaneously Row is equipped with left skateboard and right slide plate, is connected with compact heap, institute along vertical sliding between left skateboard and right slide plate on the pedestal It states and is equipped with first sliding groove along the length direction perpendicular to pedestal on compact heap, compression is slidably connected in the first sliding groove and is drawn Plate, be rotatably connected in the first sliding groove be arranged along its length for drive the first screw rod for compressing pulling plate and moving； The first notch for placing long axis is being equipped at top position on the side of the left skateboard and right slide plate；The pressure Strain at the second notch being equipped on the side towards the first notch on plate for placing long axis；
It is equipped with multiple locating slide rods on the pedestal upwards along the vertical direction, the compact heap is equipped with the multiple and positioning and slides The slide guide hole of bar cooperation；The threaded upper ends of the locating slide rod are connected with adjusting bolt；Bolt is being adjusted on the locating slide rod The holddown spring for forcing the compact heap to move downward is socketed between compact heap；
It is equipped with driving hole along the vertical direction in the lower section of compact heap in the pedestal, the lower end of the compact heap is described equipped with protruding into Drive screw in driving hole；Telescopic end is installed in the lower end of driving hole in the pedestal to fix with the drive screw lower end The driving cylinder of connection；Short axle crank throw fixed mechanism is equipped in the left side of left skateboard on the pedestal.
2. crankshaft according to claim 1 punches Special clamping device, which is characterized in that the short axle crank throw fixed mechanism Including the first sliding block, geared worm, transmission worm gear, the second screw rod, in the left side of left skateboard along the length of pedestal on the pedestal Direction is equipped with second sliding slot, and first sliding block is slidably connected in the second sliding slot, length of second screw rod along pedestal Degree direction is rotatably connected in second sliding slot for driving the first sliding block moving in second sliding slot；It is set on first sliding block There is the installation side plate being parallel to each other with the left skateboard, the transmission worm gear is rotatably connected in installation side plate, and the transmission The shaft of worm gear and the long axis of crankshaft are coaxially disposed；It is equipped at two side positions close to installation side plate on first sliding block convex Plate, the geared worm are rotatably connected between two protrusive boards and engage with the transmission worm gear；The bias of the transmission worm gear The eccentric pivot hole of the short axle grafting for crankshaft is equipped at position；In the end face center position towards left skateboard in the transmission worm gear It sets place and is equipped with the convex top of taper, the taper is convex very useful in holding out against crank throw in left skateboard in the locating notch of insertion long axis left end On left side.
3. crankshaft according to claim 1 punches Special clamping device, which is characterized in that in long axis in the compact heap It is arranged right below perforative slide opening at punch position, the pedestal is equipped with the slide guide protrusion in insertion slide opening, the slide guide The first scrap chute of upper end opening is equipped in raised along the vertical direction；In the lower end edge water of the first scrap chute in the pedestal Square to be equipped with right-end openings waste material push slot；It is set vertically downwards on the bottom surface of waste material push slot in the pedestal There is the second scrap chute；The drawer slot communicated therewith, the drawer slot are equipped in the pedestal in the lower end of the second scrap chute Inside slidably connect the drawer for holding waste material；
The annular grooving being connected to the driving hole and waste material push slot, and the center of the annular grooving are equipped in the pedestal On the axis of driving hole；The cam connecting with the drive screw is equipped in the annular grooving；The waste material pushes slot Waste material push plate is inside slidably connected, the left side of the waste material push slot is equipped with for waste material push plate to be pressed on cam Tension spring；Briquetting is slidably connected in the waste material push slot, and fixation is installed at the right-end openings position of the waste material push slot Plate；The first spring is equipped in the waste material push slot between briquetting and fixed plate, the center of the fixed plate is equipped with resistance Buddhist nun's stomata；
When the long axis to crankshaft punches, on the basic circle that waste material push plate is pressed on cam under the action of tension spring and it is located at The left side of first scrap chute lower ending opening；The first spring is in nature elongation state, the briquetting connecting with the first spring simultaneously It is sealed at the upper end opening of the second scrap chute and by the upper end opening of the second scrap chute；When removing crankshaft due to Drive screw moves upwards, and then drives cam rotation, and cam pushes waste material push plate to push away the waste material being located in waste material push slot It is compressed to briquetting, simultaneously because damping stomata moves briquetting slowly to the right and compresses the first spring, and then by second The upper end opening of scrap chute is opened；When drive screw, which moves downward, clamps crankshaft, drive screw driving cam is rotated backward, Waste material push plate separate briquetting under the action of tension spring, so that the waste material between waste material push plate and briquetting falls into the second waste material and slides In slot, simultaneously because damping stomata moves downward briquetting slowly under the action of the first spring.
4. crankshaft according to claim 2 punches Special clamping device, which is characterized in that separate in the transmission worm gear The end face center position of left skateboard is equipped with shaft, and the installation side plate is equipped with shaft hole, and the shaft is rotatably connected on described Shaft hole；Caging bolt is installed in the one end for passing through shaft hole in the shaft.
CN201811394979.XA 2018-11-22 2018-11-22 Special clamping device for crankshaft punching Active CN109202496B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113370171A (en) * 2021-08-16 2021-09-10 徐州优力同创科技股份有限公司 Clamping device for bearing machining

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Publication number Priority date Publication date Assignee Title
KR20020046047A (en) * 2000-12-12 2002-06-20 류정열 Apparatus for fixing crank on deburring
CN203956589U (en) * 2014-06-30 2014-11-26 嘉兴市宏丰机械有限公司 A kind of brill bent axle major axis centre hole clamp
CN204487220U (en) * 2015-01-30 2015-07-22 重庆市云阳曲轴有限责任公司 Bent axle drilling machine special fixture
CN105479216A (en) * 2014-09-18 2016-04-13 泰州自行车三套轴总厂 Crankshaft drilling clamp
CN207414856U (en) * 2017-10-13 2018-05-29 重庆瑁得机械制造有限公司 A kind of clamping device for Crankshaft Machining
CN108481047A (en) * 2018-06-26 2018-09-04 福建工程学院 A kind of fixture that can adjust installation position of drive shafting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020046047A (en) * 2000-12-12 2002-06-20 류정열 Apparatus for fixing crank on deburring
CN203956589U (en) * 2014-06-30 2014-11-26 嘉兴市宏丰机械有限公司 A kind of brill bent axle major axis centre hole clamp
CN105479216A (en) * 2014-09-18 2016-04-13 泰州自行车三套轴总厂 Crankshaft drilling clamp
CN204487220U (en) * 2015-01-30 2015-07-22 重庆市云阳曲轴有限责任公司 Bent axle drilling machine special fixture
CN207414856U (en) * 2017-10-13 2018-05-29 重庆瑁得机械制造有限公司 A kind of clamping device for Crankshaft Machining
CN108481047A (en) * 2018-06-26 2018-09-04 福建工程学院 A kind of fixture that can adjust installation position of drive shafting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113370171A (en) * 2021-08-16 2021-09-10 徐州优力同创科技股份有限公司 Clamping device for bearing machining

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