CN107116246B - A kind of crankshaft puncher - Google Patents
A kind of crankshaft puncher Download PDFInfo
- Publication number
- CN107116246B CN107116246B CN201710259120.7A CN201710259120A CN107116246B CN 107116246 B CN107116246 B CN 107116246B CN 201710259120 A CN201710259120 A CN 201710259120A CN 107116246 B CN107116246 B CN 107116246B
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- China
- Prior art keywords
- backer
- block
- crankshaft
- hole
- stop part
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- 238000005553 drilling Methods 0.000 abstract description 20
- 238000012545 processing Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 12
- 230000005484 gravity Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
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- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
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- 238000005859 coupling reaction Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
-
- 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
Abstract
The present invention provides a kind of crankshaft puncheres, belong to field of mechanical technique.It solves the problems, such as that existing drilling machine processing stability is low.This crankshaft puncher includes rack and the clamping bench that is set in rack, clamping bench is equipped with fixture, being equipped in the top of clamping bench can be relative to the drill bit assembly that clamping bench moves up and down, clamping bench is equipped with backer, backer includes backer's block and the stop part that is connected on backer's block, backer's block is connected on clamping bench, and the adjustment structure that stop part can be made to move up and down relative to backer's block and be held in position after movement is equipped between backer's block and stop part.It has many advantages, such as to be able to carry out various angular hole-borings, processing stability high.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of puncher more particularly to a kind of crankshaft puncher.
Background technique
Crankshaft is most important component in engine, it bears the power that connecting rod transmits, and is transformed into torque and passes through song
Axis exports and other attachmentes on engine is driven to work, and the service life of crankshaft decides the service life of complete machine, to guarantee crankshaft work
Make reliably, some straight holes or inclined hole can be processed on crankshaft as needed.Currently, being all using punching for crankshaft punching
Machine is punched, but puncher or can only be beaten straight hole on crankshaft or can only be beaten inclined hole on crankshaft, can not be by same
One puncher, which is not only realized to beat straight hole but also realize, beats inclined hole.
Chinese patent is it is proposed that a kind of drilling machine [application with a movable head and a tilting table crossed
Number: 94107745.4], it have a mountable pedestal on a workbench, one installation on the base it is vertical stand
The drilling machine power head component of column and one with a motor and an auger spindle, the drilling machine power head component are connected on column and can be
It moves thereon；One be mounted at the top of column and can be rotatable about rack gear and drilling machine power head component can be mounted on by one
Gear crank mechanism on bracket connects and makes drilling machine power head component that can rotate and can vertically move on it around column；One
Tilt table is attached on the pedestal of drilling machine；Transverse direction on one longitudinal slot and pedestal having on bearing substrate
The retaining mechanism of one bolt of slot is locked at the bearing substrate of tilt table with an eccentrically mounted cam axis connection
On retaining mechanism on drilling machine pedestal；One rotary support is pivotally attached in bearing substrate and including a workbench
Plate；One coaming plate may be mounted on the face of rotary support, have one on coaming plate convenient for workpiece to be locked on tilt table
Stopping element.It plays the role of the hole that all angles can be bored on workpiece by setting tilting table.
Although can bore the hole of all angles on workpiece using above-mentioned drilling machine, there is also certain deficiencies for it
Place: the drilling machine is not specially to design for crankshaft punching, therefore there is the orientation problems of crankshaft in boring procedure.And
Although being also provided with the stopping element that can be locked at workpiece on tilt table on the drilling machine, due to crankshaft structure compared with
To be special, and external form is not conventional, therefore is difficult really to position crankshaft using the stopping element in the drilling machine.And in routine
Crankshaft puncher in, generally also the bar portion of crankshaft clamped only by setting fixture, to achieve the purpose that clamp crankshaft.
But due to having balance weight on crankshaft, lead to the deviation of gravity center of crankshaft, if only clamping the bar portion of crankshaft, when drill bit is in song
On axis drill when can be easy to that crankshaft is made to be generated deflection by the gravity of balance weight, thus make drill stability by
Very big influence.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, proposing a kind of crankshaft puncher, to be solved
Certainly the technical issues of is the stability for how guaranteeing processing while carrying out various angular hole-borings on crankshaft.
Object of the invention can be realized by the following technical scheme:
A kind of crankshaft puncher, including rack and the clamping bench being set in rack, the clamping bench is equipped with folder
Tool, being equipped in the top of clamping bench can be relative to the drill bit assembly that clamping bench moves up and down, which is characterized in that the clamping
Platform is equipped with backer, and the backer includes backer's block and the stop part that is connected on backer's block, backer's block connection
On clamping bench, being equipped between backer's block and stop part can make stop part move up and down and move relative to backer's block
The adjustment structure being held in position after dynamic.
Crankshaft is clamped in the fixture on clamping bench, and actuator drive is then controlled according to the angle of required drilling
The rotational angle of shaft controls drill bit assembly and moves down to drill after rotateing in place.One end of crankshaft all has balance
Block, when crankshaft clamping, all clamp the bar portion of crankshaft just with fixture, the balance weight of crankshaft be all be located at outside fixture, and
And since balance weight is all in the class semicircular structure surrounded by an arc section and a line segment, the bar portion of crankshaft is in again
The polished rod shape of rule, causes the center of crankshaft bar portion and the center of the balance weight of crankshaft not in same position, thus while crankshaft
Bar portion it is clamped, but crankshaft after clamping may by balance weight gravity and generate the trend of deflection.
After the bar portion of crankshaft is clamped in fixture, the balance weight of crankshaft can be located at outside fixture, thus on clamping bench with
Backer is arranged in the location of balance weight corresponding position after crankshaft clamping, is matched by backer with the balance weight of crankshaft to realize song
Axis it is anti-sway.Since backer includes backer and the stop part that is connected on backer's block, backer's block is connected on clamping bench and keeps
Motionless, the positional relationship in face locating for the line segment after then being clamped according to crankshaft on balance weight and stop part upper end utilizes adjusting
Stop part is adjusted in structure, and face locating for the line segment on balance weight to ensure crankshaft is resisted against rigid when the upper end of stop part
It is also well parallel with horizontal plane, thus guarantee that the balance weight after crankshaft clamping is not in the situation to low while height,
Crankshaft by balance weight gravity and the trend that generates deflection stopped by backer so that crankshaft is in shaft rotation process
In be able to maintain it is motionless, with improve processing when stability.
In above-mentioned crankshaft puncher, the fixture includes grip block and pressing plate, the upper table of the grip block
Face offers holding tank along the direction perpendicular with shaft, and the pressing plate is located at the top of grip block and pressing plate can be relative to
Grip block moves up and down, and backer's block is located at outside one end of holding tank.
When clamping crankshaft, the bar portion of crankshaft is placed in the holding tank on grip block, and the balance weight of crankshaft can be located at clamping
Outside one end of slot, then only needing that backer's block is fixed on outside one end of holding tank and is guaranteed the balance weight position of backer's block and crankshaft
In outside the same end of holding tank, then after crankshaft clamping is in fixture, then pass through the upper end position that adjustment structure adjusts stop part
Set, so that it may so that face locating for line segment on the balance weight of crankshaft can just be resisted against on the upper surface of stop part and with level
Face keeping parallelism forms backstop to balance weight, to prevent the rotation of crankshaft when processing, plays and improves borehole stability
Effect.
In above-mentioned crankshaft puncher, provided bar shaped adjustment hole on the outside of described backer's block, backer's block with
Clamping bench is by passing through bar shaped adjustment hole and the fastening screw that penetrates in clamping bench is mutually fixed.
When the specification difference for the crankshaft processed, the size of the balance weight on crankshaft is also different.Outside due to backer's block
Side has provided bar shaped adjustment hole, and backer's block is with clamping bench by passing through bar shaped adjustment hole and penetrating the fastening screw phase in clamping bench
It is fixed, then backer's block just forms the state mutually separated with clamping bench after unclamping fastening screw, then pass through bar shaped adjustment hole
Cooperation with fastening screw is by backer's block relative to clamping stage translation, and face locating for line segment still can on the balance weight after making replacement
To form effective backstop on the upper surface of stop part after being enough resisted against translation, then fastening screw is tightened and makes backer's block and dress
Folder platform is mutually fixed again.In this way, so that the adjustable structure of backer's block forming position, stops to reach left and right adjusting
The purpose of flight position, then with the height adjustment for closing stop part upper end, enable stop part can to the crankshaft of different size
Enough form effective backstop.
In above-mentioned crankshaft puncher, backer's block is L-shaped, and backer's block is including section anyhow and vertically
Section, the bar shaped adjustment hole are located in the section anyhow of backer's block, and the stop part is connected to the upper of the vertical section of backer's block
End.
Backer's block is set as L-type, can make the lateral position regulatory function of backer's block and longitudinal height adjustment of stop part
Function is non-interference, and the lower end for being mainly reflected in stop part is connect with the upper end of the vertical section of backer's block, the setting of bar shaped adjustment hole
In the section anyhow of backer's block, the setting of bar shaped adjustment hole does not interfere with the normal regulating of stop part.
In above-mentioned crankshaft puncher, the stop part is in the shape of a rod, and backer's block is equipped with connecting hole, described
Stop part lower end be located in connecting hole, the adjustment structure includes being set to the external screw thread of stop part lower end outside and setting
The internal screw thread being placed on connecting hole inner wall.
Stop part is matched by the external screw thread of lower end with the internal screw thread on the connecting hole inner wall on backer's block with backer's block
And formed and be threadedly coupled, threaded connection can not only be such that stop part is held in position with backer's block, while rotational stop part again can be with
The upper end of stop part is set to move up or move down relative to backer's block, the adjustment structure of this form can make processing staff very convenient
Ground adjusts the height of stop part upper end, so that face locating for the line segment on the balance weight of crankshaft is resisted against energy behind stop part upper end
Enough and horizontal plane keeping parallelism, to improve stability when processing.
In above-mentioned crankshaft puncher, as another technical solution, the stop part is in the shape of a rod, the backer
Block is equipped with connecting hole, and the stop part lower end is located in connecting hole, and the adjustment structure includes being provided on backer's block
Lock hole and the lock screw that is threaded in lock hole, the lock hole is connected with connecting hole and lock screw
End withstand on the lower end side of stop part.
Original state, the end of lock screw withstand on stop part lower end side, and stop part is fixed.When needing to adjust,
Screwing out lock screw outward is released stop part, is then pulled up according to the position in face locating for line segment on the balance weight of crankshaft
Or stop part is pushed, the position in face locating for the line segment on balance weight to ensure crankshaft can behind stop part upper end to be resisted against
With horizontal plane keeping parallelism, then screwing lock screw again remains stationary stop part again.Pass through the adjusting of this form
Structure also can be realized the adjusting of stop part upper end position, to guarantee that face locating for the line segment on the balance weight of crankshaft is resisted against
Behind stop part upper end can with horizontal plane keeping parallelism, to improve stability when processing.
In above-mentioned crankshaft puncher, the rack is equipped with column, and the column is equipped with can be along vertical
The slide plate that column slides up and down, the drill bit assembly include the drill bit case being fixed on slide plate and are set to drill bit bottom portion
Drill bit, the column are equipped with guide plate in the lower section of slide plate, and the guide plate is equipped with pilot hole, the guiding hole location
In the underface of drill bit lower end, and when drill bit assembly moves down described in drill bit lower end can pass through pilot hole and and pilot hole
Between form clearance fit.
The length of drill bit is generally all longer, it is easy to swing is generated when length is longer makes the lower end of drill bit in drilling,
So as to cause the position in the hole bored or size, there are deviations.For this purpose, this crankshaft puncher in the lower section of slide plate by being arranged
The guide pad that can be slided up and down along column, guide plate is fixed on guide pad, and guide plate is equipped with pilot hole, then makes to bore
The lower end of head passes through pilot hole.Since drill bit and pilot hole are clearance fit, when the swing of drill bit lower end can be directed to hole
Hole wall stopped, to make drill bit rotation drilling but not deflect, thus improve stability when drilling.
In the above-mentioned crankshaft puncher, the column is equipped in the lower section of slide plate and can slide up and down along column
Guide pad, the guide plate are fixed on guide pad.
Guide plate is fixed on guide pad, guide pad can be slided up and down along column, then above and below by guide pad
Position can adjust the position that pilot hole limitation drill bit is swung, to reach the optimum efficiency for preventing drill bit from swinging.
In above-mentioned crankshaft puncher, guide cylinder, the piston of the guide cylinder are fixed in the rack
Bar is mutually fixed with guide pad, and the side of the guide pad is fixed with stopper, set on the column there are two damper and
One of damper is in the top of another damper, and the stopper is between two dampers.
Guide cylinder uses common telescopic cylinder, and common telescopic cylinder does not have the function of limitation piston rod stroke
Can, i.e., either piston rod is fully extended or piston rod is fully retracted, and the fully extended position that will lead to pilot hole of piston rod
Excessively high and influence anti-sway effect, piston rod is fully retracted, and be will lead to pilot hole and is kept completely separate with drill bit.
And two dampers one on the other are set on column, guide pad side setting stopper simultaneously makes stopper be located at two
Between a damper, in this way by two dampers can stretching to the piston rod of guide cylinder or retract stroke carry out
It limits, drill bit is formed in effectively anti-sway range so that the stroke of the piston rod of guide cylinder can be in always.
In above-mentioned crankshaft puncher, the guide plate includes plate body, locating piece and guide sleeve, the plate body
It is fixed on guide pad, the locating piece is mounted on plate body, and the locating piece is equipped with location hole and in positioning hole
Equipped with guide sleeve, the pilot hole is located on guide sleeve, and the guide sleeve is penetrated and withstood on outside locating piece by one
Lock-screw on guide sleeve side wall is fixed on positioning hole.
The drill bit of corresponding size is needed replacing when processing the hole of different size, and since drill bit and pilot hole are gap
Cooperation, when bit size does not influence whether the cooperation between pilot hole simultaneously, to make pilot hole can not be effectively to drill bit
Form the effect of anti-rock.Therefore pilot hole is arranged on guide sleeve, and guide sleeve penetrates outside locating piece further through one
The lock-screw withstood on guide sleeve side wall is fixed on positioning hole, this allows for foring between guide sleeve and locating piece removable
The structure of formula.
When the size difference of drill bit, lock-screw is screwed out, then replacing in positioning hole has and bit size
The guide sleeve in corresponding pilot hole aperture, then again again screws in lock-screw.So, the drill bit after replacement can
Pilot hole limitation on guide sleeve after being replaced, to improve stability when processing.
In above-mentioned crankshaft puncher, the locating piece is equipped with bar shaped mounting hole, the locating piece and plate body
It is mutually fixed by passing through bar shaped mounting hole and penetrating the intracorporal positioning screw of plate.
Bar shaped mounting hole is set on locating piece, after processing staff can adjust replacement according to the difference of bit size
The front-rear position of guide sleeve, so that the drill bit lower end after replacement can pass through the pilot hole on the guide sleeve after replacement, to protect
Demonstrate,prove this crankshaft puncher process various specifications hole when can held stationary, improve processing stability.
Compared with prior art, this crankshaft puncher has the advantage that
1, backer is located on clamping bench at the fixture, the balance weight of crankshaft after crankshaft is clamped in fixture with backer's phase
Against backstop is formed, prevent crankshaft from generating swing because of balance weight, to improve stability when drilling；
2, the lateral position of stop screw and longitudinal height are adjustable, make the same backer to the crankshaft of various specifications
It is capable of forming effective backstop, thus can guarantee stability when the crankshaft to various specifications is processed；
3, the pilot hole that clearance fit is formed after passing through using drill bit forms limitation to drill bit, prevents drill bit lower end because boring
Head length is too long and occurs swinging the stability so that when influencing drilling；
4, pilot hole is arranged on removable guide sleeve, therefore after replacing various sizes of drill bit, can correspondingly more
The guide sleeve with corresponding pilot hole aperture is changed, can guarantee stability when boring the hole of various specifications；
5, the damper that the piston rod stroke of guide cylinder is distributed by about two limits, so that the piston rod of guide cylinder
Stroke can be always in being formed to drill bit in effectively anti-sway range.
Detailed description of the invention
Fig. 1 is the main view of this crankshaft puncher.
Fig. 2 is the perspective view of this crankshaft puncher.
Fig. 3 is the main view in this crankshaft puncher at clamping bench.
Fig. 4 is main view when Fig. 3 is clamped with crankshaft.
Fig. 5 is the schematic diagram in this crankshaft puncher between clamping bench and shaft.
Fig. 6 is the cross-sectional view of backer in this crankshaft puncher.
Fig. 7 is main view when being not connected with having drill bit assembly on this crankshaft puncher central post.
Fig. 8 is side view when being connected with drill bit assembly on this crankshaft puncher central post.
Fig. 9 is the top view of guide plate in this crankshaft puncher.
Figure 10 is the main view of Fig. 9.
Figure 11 is the optical cable of guide plate.
In figure, 1, rack；2, clamping bench；3, fixture；3a, grip block；3a1, holding tank；3b, pressing plate；3c, gripper cylinder；
4, drill bit assembly；4a, drill bit case；4b, drill bit；5, shaft；6, backer；6a, backer's block；6a1, anyhow section；6a11, bar shaped are adjusted
Hole；6a2, vertical section；6a21, connecting hole；6b, stop part；7, fastening screw；8, column；9, slide plate；10, guide plate；10a, plate
Body；10b, locating piece；10b1, location hole；10b2, bar shaped mounting hole；10c, guide sleeve；10c1, pilot hole；10d, locking screw
Nail；10e, positioning screw；11, guide pad；12, guide cylinder；13, stopper；14, damper；15, driving motor；16, electromagnetism
Brake；17, cross saddle；18, mounting base；19, output motor；20, Z axis motor；21, damping sheet；22, sliding rail；23, sliding
Block；24, link block；25, crankshaft.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As depicted in figs. 1 and 2, a kind of crankshaft puncher, including rack 1, rack 1 is equipped with clamping bench 2, on clamping bench 2
Equipped with fixture 3, the top of clamping bench 2 is equipped with can be relative to the drill bit assembly 4 that clamping bench 2 moves up and down.It is additionally provided in rack 1
Shaft 5 and actuator, actuator is connected with shaft 5 and actuator is able to drive shaft 5 and rotates and after so that shaft 5 is rotate in place
It remains stationary, clamping bench 2 is connected in shaft 5.Actuator is to be connected to the driving motor 15 of 5 one end of shaft and be connected to turn
The output shaft of the electromagnetic brake 16 of 5 other end of axis, driving motor 15 is connected with shaft 5 by shaft coupling, and driving motor is worked as
It will drive shaft 5 when 15 output shaft rotation to rotate together, make shaft 5 using electromagnetic brake 16 after shaft 5 rotate in place
It remains stationary.Certainly, other than the mode that aforesaid way driving motor 15 is matched with electromagnetic brake 16, actuator is also
It can be in such a way that driving motor 15 be matched with brake disc or rotary cylinder is matched with electromagnetic brake 16.
It, can be with as shown in figure 3, in order to well be convenient for drilling with 4 face of drill bit assembly after being clamped in crankshaft 25 on clamping bench 2
Cross saddle 17 is set in rack 1, and in the fixed U-shaped mounting base 18 in the top of cross saddle 17, shaft 5 is threaded through peace
On dress seat 18 and clamping bench 2 is located at the opening of mounting base 18, is equipped with bearing between 5 both ends of shaft and mounting base 18, passes through
Cross saddle 17 can be realized the movement of clamping bench 2 in the horizontal plane, the i.e. movement of X-direction and Y direction.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, backer 6 is equipped on clamping bench 2 at fixture 3, fixture 3 includes being set to
The upper surface of grip block 3a and pressing plate 3b on clamping bench 2, grip block 3a offer clamping along the direction perpendicular with shaft 5
Slot 3a1, holding tank 3a1 is V-shaped, and pressing plate 3b is located at the top of grip block 3a, and the bottom of clamping bench 2 is fixed with gripper cylinder 3c,
The piston rod of gripper cylinder 3c is upward through clamping bench 2 and is connected with pressing plate 3b.In clamping crankshaft 25, by the bar of crankshaft 25
Under portion is placed in the holding tank 3a1 of grip block 3a and then covers pressing plate 3b.Backer 6 includes backer's block 6a and stop part 6b,
Backer's block 6a is connected to the side of clamping bench 2, and after crankshaft 25 is located in fixture 3 balance weight of crankshaft 25 with backer's block 6a
In outside the same end of holding tank 3a1, the lower end of stop part 6b is connected to the upper end of backer's block 6a, and stop part 6b and backer's block 6a
Between be equipped with stop part 6b can be made to move up and down and be held in position after movement relative to backer's block 6a adjustment structure, this
In embodiment, stop part 6b is in the shape of a rod, and backer's block 6a is equipped with connecting hole 6a21, and the lower end stop part 6b is located at connecting hole 6a21
Interior, adjustment structure includes the interior spiral shell for being set to the external screw thread of stop part 6b lower end outside and being set on connecting hole 6a21 inner wall
Line.It can specifically be used using fillister head screw as stop part 6b, naturally it is also possible to be bolt, tack pin etc..
The bar portion of crankshaft 25 is located in holding tank 3a1, and crankshaft 25 is located at outside holding tank 3a1 with one end of balance weight, puts down
Weighing apparatus block is all the similar semicircular structure surrounded by an arc section and a line segment.And backer's block 6a is connected to clamping bench
The threaded upper ends of 2 side, backer's block 6a are connected with stop part 6b, then guaranteeing that crankshaft 25 has the one of balance weight in clamping
End is located at the side that clamping bench 2 connects the block 6a that has backing, and can enable face locating for the line segment on the balance weight of crankshaft 25 in this way
It is enough resisted against on the upper surface of stop part 6b and keeps parallel with horizontal plane.Come specifically by turn stop part 6b to backstop
The upper end level position of part 6b is adjusted, it is ensured that face locating for the line segment on the balance weight of crankshaft 25 is resisted against stop part 6b's
, so that balance weight is not in situation about lowing while height, crankshaft 25 can be made with horizontal plane keeping parallelism behind upper end
By balance weight gravity and the trend that generates deflection stopped by backer 6 so that crankshaft 25 is in shaft rotation process
In be able to maintain it is motionless, with improve processing when stability
As shown in fig. 6, backer's block 6a is L-shaped, backer's block 6a has section 6a1 anyhow and vertical section 6a2, the cross of backer's block 6a
The side of straight section 6a1 has provided bar shaped adjustment hole 6a11, and backer's block 6a is by passing through bar shaped adjustment hole 6a11 and penetrating clamping bench 2
Interior 7 phase of fastening screw is fixed.The upper end of connecting hole setting and the vertical section 6a2 of backer's block 6a, the lower end of stop part 6b with lean on
The threaded upper ends of the vertical section 6a2 of mountain block 6a connect.Backer's block 6a passes through the cooperation energy of bar shaped adjustment hole 6a11 and fastening screw 7
Enough realize that the left-right position of stop part 6b is adjusted, while stop part 6b can be realized only again with backer's block 6a mode being threadedly coupled
Longitudinal height adjustment of block piece 6b, by the adjusting of the two positions so that the same backer 6 is facing the different crankshaft of specification
Effective backstop can be formed when 25.In order to avoid bar shaped adjustment hole 6a11 is directly exposed to outside, it is arranged on fastening screw 7
One piece of cover board can be covered up bar shaped adjustment hole 6a11 using cover board.
As shown in figs. 2,7 and 8, rack 1 is equipped with column 8, and column 8 is parallel with the opposite side surface of clamping bench 2
Two sliding rails 22 are provided with, sliding block 23 is respectively equipped on two sliding rails 22, is connected with slide plate 9 between each sliding block 23.Drill bit assembly 4 includes
Drill bit 4b and drill bit case 4a, drill bit 4b are set to the bottom of drill bit case 4a, are fixed with output motor 19, drill bit on drill bit case 4a
The transmission mechanism for being connected with the output shaft of output motor 19 and drill bit 4b capable of being driven to rotate is equipped in case 4a.It is fixed on column 8
There is Z axis motor 20, the bottom of slide plate 9 is connected with Z axis screw rod, and the output shaft of Z axis motor 20 is connected with Z axis screw rod, when Z axis motor
It is able to drive slide plate 9 by Z axis screw rod when 20 output shaft rotation to move up and down along sliding rail 22, to realize that drill bit 4b's is upper and lower
It is mobile.
As shown in Figure 7 and Figure 8, guide pad 11 is further respectively had on two sliding rails 22, guide pad 11 is located at the lower section of sliding block 23,
Guide plate 10 is connected between each guide pad 11, guide plate 10 is equipped with the pilot hole 10c1 with the lower end drill bit 4b face, works as brill
The head lower end 4b forms clearance fit drill bit 4b and pilot hole 10c1 after pilot hole 10c1.By being set on guide plate 10
Pilot hole 10c1 is set, the lower end of drill bit 4b is then made to pass through pilot hole 10c1.Since drill bit 4b and pilot hole 10c1 matches for gap
Close, therefore stopped when swings of the lower end drill bit 4b can be directed to the hole wall of hole 10c1, thus make drill bit 4b rotate drill but
It does not deflect, thus improves stability when drilling.
The opposite side of two guide pads 11 is respectively fixed with link block 24, is further fixed on two guide cylinders 12 in rack 1, and one
The piston rod of a guide cylinder 12 is correspondingly connected with a link block 24, as the stretching or retraction of the piston rod of guide cylinder 12 make
Guide plate 10 is obtained to move up or down.The opposite side of two guide pads 11 is respectively fixed with stopper 13, and the two sides of column 8 are equal
If damper 14 is all fixed on every piece of damping sheet 21, on two dampers 14 of 8 the same side of column there are two damping sheet 21
Lower face setting, is located at the stopper 13 of the same side between two dampers 14 with two damper 14.Damper 14 is bullet
Spring damper, stopper 13 are located between two dampers 14, in this way can be to guide cylinder 12 by two dampers 14
Piston rod stretching or retract stroke be defined so that the stroke of the piston rod of guide cylinder 12 can always in pair
Drill bit 4b is formed in effectively anti-sway range.
As shown in Fig. 9, Figure 10 and Figure 11, in the present embodiment, guide plate 10 includes plate body 10a, locating piece 10b and leads
To set 10c, plate body 10a is fixed between each guide pad 11, and locating piece 10b is equipped with bar shaped mounting hole 10b2, locating piece 10b with
Plate body 10a is by passing through bar shaped mounting hole 10b2 and the positioning screw 10e phase that penetrates in plate body 10a is fixed.The part locating piece 10b
It stretches out outside plate body 10a, and is equipped with location hole 10b1 on the locating piece 10b stretched out outside plate body 10a, guide sleeve 10c is set to positioning
In the 10b1 of hole, pilot hole 10c1 is located on guide sleeve 10c, and guide sleeve 10c outside locating piece 10b by penetrating and withstanding on guide sleeve
Lock-screw 10d on 10c side wall is fixed in location hole 10b1.
When needing the change in size in hole bored just to need to use various sizes of drill bit 4b, and on original guide sleeve 10c
Pilot hole 10c1 be can not be formed effectively to cooperate with the drill bit 4b after replacement, therefore on locating piece 10b be arranged bar shaped pacify
Hole 10b2 is filled, it is adjustable fixed by positioning screw 10e and the cooperation of bar shaped mounting hole 10b2 after unscrewing positioning screw 10e
Overhang of the position block 10b relative to plate body 10a.Meanwhile lock-screw 10d being screwed out, so that it may take original guide sleeve 10c
Out, be then placed in have with the guide sleeve 10c in the aperture drill bit 4b size corresponding pilot hole 10c1 after replacement, then again again
Lock-screw 10d screw-in is withstood on the side wall of guide sleeve 10c.The lower end drill bit 4b by operation above, after enabling replacement
The pilot hole 10c1 on guide sleeve 10c after being enough replaced is limited, to can guarantee when processing the hole of arbitrary dimension
The stability of processing.
As shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, in order to drill simultaneously to multiple crankshafts 25, filling
It presss from both sides the fixture 3 that setting quantity is even number on platform 2 and fixture 3 in pairs, is arranged on drill bit case 4a identical with 3 quantity of fixture
Drill bit 4b, while in order to remain stationary after guaranteeing each 25 clamping of crankshaft, on clamping with each fixture 3
It is correspondingly arranged a backer 6.Two fixtures 3 in same group share the same block pressur plate 3b and same gripper cylinder 3c,
The piston rod of gripper cylinder 3c is placed through the clamping bench 2 between two fixtures 3, and the piston rod of gripper cylinder 3c is connected to pressing plate
At the center of 3b, the holding tank 3a1 on the respective grip block 3a of two fixture 3 is respectively positioned on the lower section of pressing plate 3b, and pressing plate 3b is circular arc
Shape plate, the lower surface of pressing plate 3b place opposite with two holding tank 3a1 is plane, is acted by the piston rod of a gripper cylinder 3c
It can be achieved at the same time the clamping and release of two crankshafts 25.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, the difference is that: in the present embodiment, backstop
Part 6b is in the shape of a rod, and backer's block 6a is equipped with connecting hole 6a21, and the lower end stop part 6b is located in connecting hole 6a21, and adjustment structure includes
The lock hole being provided on backer's block 6a and the lock screw being threaded in lock hole, lock hole and connecting hole 6a21 phase
The end of connection and lock screw withstands on the lower end side of stop part 6b.
Original state, the end of lock screw withstand on the lower end stop part 6b side, and stop part 6b is fixed.It needs to adjust
When, screwing out lock screw outward is released stop part 6b, then the position in the face according to locating for line segment on the balance weight of crankshaft 25
The position in face locating for the line segment on the balance weight to pull up or push stop part 6b, to ensure crankshaft 25 is set to be resisted against backstop
Can be with horizontal plane keeping parallelism behind the upper end part 6b, then screwing lock screw again remains stationary stop part 6b again.It is logical
The adjustment structure for crossing this form also can be realized the adjusting of stop part 6b upper end position, to guarantee on the balance weight of crankshaft 25
Line segment locating for face be resisted against behind the upper end stop part 6b can with horizontal plane keeping parallelism, to improve stability when processing.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of crankshaft puncher, including rack (1) and the clamping bench (2) being set on rack (1), the clamping bench
(2) fixture (3) are equipped with, being equipped in the top of clamping bench (2) can be relative to the drill bit assembly that clamping bench (2) move up and down
(4), which is characterized in that the clamping bench (2) is equipped with backer (6), and the backer (6) includes backer's block (6a) and connects
The stop part (6b) being connected on backer's block (6a), backer's block (6a) are connected on clamping bench (2), backer's block
Being equipped between (6a) and stop part (6b) can be such that stop part (6b) moves up and down relative to backer's block (6a) and protect after movement
Hold the adjustment structure of positioning, rack (1) is equipped with column (8), and column (8) is equipped with and can slide up and down along column (8)
Slide plate (9), drill bit assembly (4) include the drill bit case (4a) being fixed on slide plate (9) and are set to the bottom drill bit case (4a)
Drill bit (4b), column (8) are equipped with guide plate (10) in the lower section of slide plate (9), and guide plate (10) is equipped with pilot hole (10c1), lead
It is located at the underface of the lower end drill bit (4b) to hole (10c1), and the lower end drill bit (4b) can be worn when drill bit assembly (4) moves down
It crosses pilot hole (10c1) and forms clearance fit between pilot hole (10c1), column (8) is equipped in the lower section of slide plate (9) can
The guide pad (11) slided up and down along column (8), guide plate (10) are fixed on guide pad (11), and rack is fixed on (1)
Guide cylinder (12), piston rod and the guide pad (11) of guide cylinder (12) are mutually fixed.
2. crankshaft puncher according to claim 1, which is characterized in that provided bar shaped on the outside of backer's block (6a)
Adjustment hole (6a11), backer's block (6a) and clamping bench (2) are by passing through bar shaped adjustment hole (6a11) and penetrating clamping bench
(2) fastening screw (7) in is mutually fixed.
3. crankshaft puncher according to claim 2, which is characterized in that backer's block (6a) is L-shaped, and described leans on
Mountain block (6a) includes that section (6a1) and vertical section (6a2), the bar shaped adjustment hole (6a11) are located at the cross of backer's block (6a) anyhow
On straight section (6a1), the stop part (6b) is connected to the upper end of the vertical section (6a2) of backer's block (6a).
4. crankshaft puncher according to claim 1 or 2 or 3, which is characterized in that the stop part (6b) is in the shape of a rod,
Backer's block (6a) is equipped with connecting hole (6a21), and the stop part lower end (6b) is located in connecting hole (6a21), institute
The adjustment structure stated includes being set to the external screw thread of stop part (6b) lower end outside and being set on connecting hole (6a21) inner wall
Internal screw thread.
5. crankshaft puncher according to claim 1 or 2 or 3, which is characterized in that the stop part (6b) is in the shape of a rod,
Backer's block (6a) is equipped with connecting hole (6a21), and the stop part lower end (6b) is located in connecting hole (6a21), institute
The adjustment structure stated includes the lock hole being provided on backer's block (6a) and the lock screw being threaded in lock hole, institute
The lock hole stated is connected with connecting hole (6a21) and the end of lock screw withstands on the lower end side of stop part (6b).
6. crankshaft puncher according to claim 1, which is characterized in that the side of the guide pad (11) is fixed with resistance
Block (13), sets on the column (8) there are two damper (14) and one of damper (14) is located at another and damps
The top of device (14), the stopper (13) is between two dampers (14).
7. crankshaft puncher according to claim 1, which is characterized in that the guide plate (10) include plate body (10a),
Locating piece (10b) and guide sleeve (10c), the plate body (10a) are fixed on guide pad (11), the locating piece
(10b) is mounted on plate body (10a), and the locating piece (10b) is equipped with location hole (10b1) and in location hole (10b1)
Equipped with guide sleeve (10c), the pilot hole (10c1) is located on guide sleeve (10c), and the guide sleeve (10c) passes through one
It is penetrated outside from locating piece (10b) and the lock-screw (10d) withstood on guide sleeve (10c) side wall is fixed on location hole (10b1)
It is interior.
8. crankshaft puncher according to claim 7, which is characterized in that the locating piece (10b) is pacified equipped with bar shaped
It fills hole (10b2), the locating piece (10b) and plate body (10a) are by passing through bar shaped mounting hole (10b2) and penetrating plate body
Positioning screw (10e) in (10a) is mutually fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259120.7A CN107116246B (en) | 2017-04-20 | 2017-04-20 | A kind of crankshaft puncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259120.7A CN107116246B (en) | 2017-04-20 | 2017-04-20 | A kind of crankshaft puncher |
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| CN107116246A CN107116246A (en) | 2017-09-01 |
| CN107116246B true CN107116246B (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710259120.7A Active CN107116246B (en) | 2017-04-20 | 2017-04-20 | A kind of crankshaft puncher |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247391B (en) * | 2018-02-08 | 2023-10-13 | 无锡瑞真精机股份有限公司 | Boring fixture for tappet body |
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| TWI586463B (en) * | 2015-01-06 | 2017-06-11 | Chen Peng-Ren | CNC double spindle drive |
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| BE1014381A6 (en) * | 2003-02-07 | 2003-09-02 | Schulten Kothe | Bars boring machine. |
| CN203343475U (en) * | 2013-05-13 | 2013-12-18 | 佛山市圣特斯数控设备有限公司 | Multi-station drilling press |
| CN103418812A (en) * | 2013-08-08 | 2013-12-04 | 四川迅雷威机械制造有限公司 | Machine tool for ring mold gun drill |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107116246A (en) | 2017-09-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191113 Address after: 245 200 Shexian Economic Development Zone, Huangshan City, Anhui Province Patentee after: HUANGSHAN ZHANGSHI CRANKSHAFT Co.,Ltd. Address before: 317606, Wangjiang Road, 34 clear town, Taizhou, Zhejiang, Yuhuan County Patentee before: YUHUAN BOBANG AUTOMATION EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A crankshaft drilling machine Effective date of registration: 20230317 Granted publication date: 20190816 Pledgee: China Postal Savings Bank Limited by Share Ltd. Shexian branch Pledgor: HUANGSHAN ZHANGSHI CRANKSHAFT Co.,Ltd. Registration number: Y2023980035200 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190816 Pledgee: China Postal Savings Bank Limited by Share Ltd. Shexian branch Pledgor: HUANGSHAN ZHANGSHI CRANKSHAFT Co.,Ltd. Registration number: Y2023980035200 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |