CN107866758A - Buffer-type gripping mechanism - Google Patents
Buffer-type gripping mechanism Download PDFInfo
- Publication number
- CN107866758A CN107866758A CN201610854079.3A CN201610854079A CN107866758A CN 107866758 A CN107866758 A CN 107866758A CN 201610854079 A CN201610854079 A CN 201610854079A CN 107866758 A CN107866758 A CN 107866758A
- Authority
- CN
- China
- Prior art keywords
- buffer
- passage
- gripping mechanism
- channel
- valve
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 32
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000001960 triggered effect Effects 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 19
- 238000005381 potential energy Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 11
- 208000007101 Muscle Cramp Diseases 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/061—Arrangements for positively actuating jaws with fluid drive
-
- 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
- B23Q3/066—Bench vices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/02—Clamps with sliding jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
- B25B5/163—Jaws or jaw attachments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
- B25B5/166—Slideways; Guiding and/or blocking means for jaws thereon
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of buffer-type gripping mechanism, and it is used cooperatively with a hydraulic oil, and is used for clamping workpiece；The buffer-type gripping mechanism includes pedestal, the grips pincers being arranged on the pedestal, it is arranged on the adjustable clamp group on the pedestal and with the grips pincers separately, switching valve, drive cylinder pressure, connect the pipe-line cell of the switching valve and the driving cylinder pressure, and it is arranged on the buffer cell in the adjustable clamp group, the buffer cell includes a first passage, one second channel being connected with the first passage, and the control piece that can control the first passage and the mutual through-current capacity of second channel, the tiny flow quantity that the control piece is triggered by workpiece and makes to be only capable of with one to be less than for the hydraulic oil normal discharge between first passage and second channel passes through, reach the effect of buffering, workpiece can be thus avoided to be pressed from both sides bad, and adjust clamp pressure without because the workpiece of cutting is different during operation.
Description
Technical field
The present invention relates to the clamping device technical field of toolroom machine, specifically provides a kind of buffer-type gripping mechanism.
Background technology
Refering to shown in accompanying drawing 1, it is a known circular sawing machine 1, comprising a main clamp unit 11, a feeding clamp unit 12,
And a screw rod 13, the main clamp unit 11 include a main 111 and one main adjustable cramp 112 of stationary clamp, the feeding clamp list
Member 12 includes the feeding stationary clamp 122, one that a feeding slide 121, one is arranged on the feeding slide 121 and is arranged on the feeding
Horizontal feeding adjustable cramp 123 and one on slide 121 is arranged on the vertical feeding adjustable cramp 124 on the feeding slide 121；
During running, the feeding stationary clamp 122 in the feeding clamp unit 12 is lived with the horizontal feeding adjustable cramp 123 and the vertical feeding
Dynamic clamp 124 can common clamping workpiece, and use the screw rod 13 and drive the feeding slide 121 towards the direction of the main clamp unit 11
Stop after the mobile length to be cut, then the main stationary clamp 111 in the main clamp unit 11 and the main adjustable cramp 112
After common clamping workpiece, with saw blade cutting workpiece (Fig. 1 is not shown).
The shortcomings that known circular sawing machine 1, is, because the structure for the workpiece to be cut is probably solid or hollow pipe fitting,
And hollow fitting structure is weaker, when by cutting when solid workpiece is converted into cutting hollow workpiece, it is necessary to downgrade the main folder
Clamp the pressure of unit 11 and the feeding clamp unit 12 clamping, to avoid pressing from both sides bad workpiece, this for the operating personnel of producing line,
It is not only very troublesome, also it is unfavorable for the mobility lifting of producing line.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of buffer-type gripping mechanism, can be produced when clamping workpiece slow
Rush effect, it is not necessary to adjust clamp pressure because workpiece is different, be advantageous to lift producing line mobility.
The present invention in order to solve its technical problem used by technical scheme be：A kind of buffer-type gripping mechanism, the buffering
Formula gripping mechanism is used cooperatively with a hydraulic oil, and for clamping a workpiece；The buffer-type gripping mechanism includes pedestal, fixation
Pincers, adjustable clamp group, switching valve, driving cylinder pressure, pipe-line cell and buffer cell, wherein, the grips pincers are arranged on the pedestal
On, the adjustable clamp group be arranged on the pedestal and with the grips pincers separately, and be used between the adjustable clamp group and the grips pincers
House the workpiece；The switching valve, which has, closes clip-like state and opens clip-like state, and can switch between closing clip-like state and opening clip-like state；Should
Driving cylinder pressure is connected between the pedestal and the adjustable clamp group, and the driving cylinder pressure can also drive the adjustable clamp group remote or lean on
It is bordering on the grips pincers；The pipe-line cell connects the switching valve and the driving cylinder pressure；The buffer cell is arranged in the adjustable clamp group,
And the buffer cell includes a first passage, a second channel being connected with the first passage and one can control this
The control piece of first passage and the mutual through-current capacity of second channel, the first passage and second channel are serially connected in the pipe-line cell,
The control piece can move between first position and the second place；When the switching valve, which switches to this, closes clip-like state, the hydraulic oil
The driving cylinder pressure is flow to via the pipe-line cell, and drives the adjustable clamp group to be moved towards the grips pincers, now at the control piece
Between the first position, the first passage and second channel can for the hydraulic oil with a normal discharge by and working as the control
When part is triggered by the workpiece and is moved to the second place, it is only capable of between the first passage and second channel small with one for the hydraulic oil
In the normal discharge tiny flow quantity by the way that when the switching valve being switched into this opening clip-like state, the hydraulic oil can drive this
Away from the grips pincers, the control piece releases to be triggered and moves back into the first position adjustable clamp group by the workpiece.
As a further improvement on the present invention, the adjustable clamp group can be movably arranged at including an adjustable shelf and one
Pressing plate on the adjustable shelf, the pressing plate have a medial surface that the adjustable shelf is faced in face of the clamped surface of the grips pincers and one, should
Control piece is to be triggered via the pressing plate by the workpiece.
As a further improvement on the present invention, the adjustable clamp group also includes one and is arranged between the adjustable shelf and the pressing plate
Linear guide group and a return unit, the pressing plate be arranged on the adjustable shelf with can moving linearly, the return unit have make
The floating potential energy for stretching out the adjustable shelf of pressing plate tendency.
As a further improvement on the present invention, the linear guide group has a pair is arranged in leading on the adjustable shelf respectively
Bar, one end of each guide rod are fixed on the pressing plate, and the other end of each guide rod has a limiting section, two limits
Position portion can limit the floating distance for stretching out the adjustable shelf of the pressing plate.
As a further improvement on the present invention, the return unit is a compression spring, and the adjustable shelf has one to be somebody's turn to do to accommodating
The blind hole of return unit, the return unit are resisted against the medial surface of the pressing plate.
As a further improvement on the present invention, the first passage in the buffer cell and second channel are integrally formed at this
On adjustable shelf.
As a further improvement on the present invention, the pipe-line cell includes a pressure lateral line and an oil return lateral line, when this
Switching valve switches to this when closing clip-like state, and the hydraulic oil is flowed into the driving cylinder pressure and by the driving via the pressure lateral line
Cylinder pressure flows out to the oil return lateral line；When the switching valve, which switches to this, opens clip-like state, the hydraulic oil is via the oil return lateral line
Flow into the driving cylinder pressure and the pressure lateral line is flowed out to by the driving cylinder pressure；
First passage and second channel in the buffer cell are serially connected with the pressure lateral line, or the buffer cell
In first passage and second channel be serially connected with the oil return lateral line.
As a further improvement on the present invention, the first passage in the buffer cell and second channel are serially connected with the pressure
On lateral line.
As a further improvement on the present invention, the buffer cell also includes one and is connected with the first passage and second channel
Logical valve road, the one end open of the valve road, other end closure, the control piece have a valve rod being slideably positioned in the valve road and
One spring, the valve rod have the triggering end that can be triggered outside an openend for stretching out the valve road and by the workpiece, one in contrast to this
Triggering end and the inner end of closed end corresponding to the valve road, a big footpath section between the triggering end and the inner end, Yi Jiyi
Path section between the big footpath section and the inner end, the control piece is at the first position, the first passage and second channel
Connected via the valve road and the path section, when the control piece is in the second place, the first passage and second channel are via this
Valve road and the big footpath section connection, the both ends of the spring are resisted against the closed end of the valve road and the inner end of the valve rod, and the bullet respectively
Spring also has the potential energy that valve rod tendency can be made to be moved by the second place towards the first position.
As a further improvement on the present invention, the pressing plate also have one through the clamped surface and the medial surface screw, with
And one be arranged on screw in the screw, the triggering end of the valve rod is resisted against the screw, and the screw can adjust the valve rod
Triggering end stretches out the distance of the valve road openend.
As a further improvement on the present invention, the driving cylinder pressure includes a cylinder body and a piston rod, and the cylinder body is installed in this
In adjustable clamp group, one end of the piston rod is installed on the pedestal.
The beneficial effects of the invention are as follows：The driving cylinder pressure drives the adjustable clamp group close to the grips pincers, when the control piece by
When the workpiece triggers and is moved to the second place, it is only capable of with one being less than for the hydraulic oil between the first passage and second channel and is somebody's turn to do
The tiny flow quantity of normal discharge by, make the adjustable clamp group close to the grips pincers and clamp the workpiece with extremely slow speed,
Reach the effect of a buffering, however, because feeding is extremely short to the circulation time for completing cutting, in the adjustable clamp group slowly towards this
Grips pincers have completed the action of cutting during, you can the workpiece is unclamped, workpiece will not be bad by folder, and without
The pressure of clamping is adjusted because the workpiece of cutting is different.
Brief description of the drawings
Fig. 1 is the dimensional decomposition structure diagram of known circular sawing machine；
Fig. 2 is the dimensional structure diagram of the first embodiment of buffer-type gripping mechanism of the present invention；
Fig. 3 is the decomposition texture schematic diagram of buffer-type gripping mechanism shown in Fig. 2；
When Fig. 4 is that the switching valve in buffer-type gripping mechanism shown in Fig. 2 is in middle position state, the buffer-type gripping mechanism
Cross-sectional view；
Fig. 5 is that the switching valve in buffer-type gripping mechanism shown in Fig. 2 is in when closing clip-like state, the buffer-type gripping mechanism
Cross-sectional view；
Fig. 6 is that the switching valve in buffer-type gripping mechanism shown in Fig. 2 is in when opening clip-like state, the buffer-type gripping mechanism
Cross-sectional view；
Fig. 7 is located at cross-sectional view during first position for the control piece in buffer-type gripping mechanism shown in Fig. 2；
Fig. 8 is located at the cross-sectional view during second place for the control piece in buffer-type gripping mechanism shown in Fig. 2；
Fig. 9 is the cross-sectional view of the second embodiment of buffer-type gripping mechanism of the present invention.
With reference to accompanying drawing, make the following instructions：
1 --- circular sawing machine 11 --- main clamp unit
111 --- main stationary clamp 112 --- main adjustable cramps
12 --- feeding clamp unit 121 --- feeding slides
122 --- feeding stationary clamp 123 --- horizontal feeding adjustable cramps
124 --- vertical feeding adjustable cramp 13 --- screw rods
2 --- pedestal 3 --- grips pincers
4 --- adjustable clamp group 41 --- adjustable shelfs
42 --- pressing plate 43 --- linear guide groups
44 --- return unit 411 --- blind holes
421 --- clamped surface 422 --- medial surfaces
423 --- screw 424 --- screws
431 --- guide rod 432 --- limiting sections
5 --- switching valve 51 --- pump interfaces
52 --- oil return interfaces 6 --- drive cylinder pressure
61 --- cylinder body 62 --- piston rods
7 --- pipe-line cell 71 --- pressure lateral lines
72 --- oil return lateral line 8 --- buffer cells
81 --- first passage 82 --- second channels
83 --- control piece 84 --- valve roads
831 --- valve rod 832 --- springs
833 --- triggering end 834 --- inner ends
835 --- big footpath section 836 --- path sections
841 --- openend 842 --- closed ends
9 --- workpiece 10 --- hydraulic oil
Embodiment
Illustrate embodiments of the present invention by particular specific embodiment below, people skilled in the art can be by this theory
Content disclosed in bright book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that people skilled in the art understands and reads, the enforceable qualifications of the present invention are not limited to, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing the present invention
Under the effect of can be generated and the purpose that can reach, it all should still fall the model that can cover in disclosed technology contents
In enclosing.
Accompanying drawing 2~8 is referred to, shows the first embodiment of buffer-type gripping mechanism of the present invention.In the present embodiment
In, the buffer-type gripping mechanism is used cooperatively with a hydraulic oil 10, and applied to one workpiece 9 of clamping；The buffer-type gripping mechanism
It is slow comprising a pedestal 2, a grips pincers 3, an adjustable clamp group 4, a switching valve 5, one driving cylinder pressure 6, a pipe-line cell 7 and one
Rush unit 8, wherein, the grips pincers 3 are arranged on the pedestal 2, the adjustable clamp group 4 be arranged on the pedestal 2 and with the grips pincers 3
Separately, it is used to house the workpiece 9 between the adjustable clamp group 4 and the grips pincers 3；The adjustable clamp group 4 includes an adjustable shelf 41, one
The pressing plate 42, one being arranged on can moving linearly on the adjustable shelf 41 is arranged at the line between the adjustable shelf 41 and the pressing plate 42
Property guiding group 43 and one be arranged at return unit 44 between the adjustable shelf 41 and the pressing plate 42, the adjustable shelf 41 has one to use
To house the blind hole 411 of the return unit 44, there is the pressing plate 42 clamped surface 421, one for facing the grips pincers 3 to face the activity
The medial surface 422, one of frame 41 is arranged on the screw 423 through the screw 423 and one of the clamped surface 421 and the medial surface 422
In screw 424, the linear guide group 43 has a pair of guide rods 431 being arranged in respectively on the adjustable shelf 41, each described to lead
One end of bar 431 is fixed on the pressing plate 42, and the other end of each guide rod 431 has a limiting section 432, and the return unit 44 pushes up
The medial surface 422 of the pressing plate 42 is butted on, and (i.e. this is multiple with that can make the floating potential energy for stretching out the adjustable shelf 41 of the pressing plate 42 tendency
Position part 44 has the elastic force that can make the pressing plate 42 backwards to the adjustable shelf 41 movement), and two limiting sections 432 can limit
Making the floating distance for stretching out the adjustable shelf 41 of the pressing plate 42, (i.e. two limiting sections 432 can limit the pressing plate 42 backwards to the work
The distance that moving frame 41 moves)；In the present embodiment, the return unit 44 is a compression spring.
Refering to shown in accompanying drawing 4~6, in the present embodiment, the switching valve 5 is that a 3-position 4-way electromagnetism guides reversal valve, should
Switching valve 5 has an oil return interface supplied for the pump interface 51 and one that the hydraulic oil 10 is pumped into the oil return of hydraulic oil 10 to the oil groove
52, the switching valve 5 is the middle position state (as shown in Figure 4) of being in when not operating, and can close clip-like one during the switching valve 5 action
State (as shown in Figure 5) and one is opened and switched between clip-like state (as shown in Figure 6).
The driving cylinder pressure 6 is connected between the pedestal 2 and the adjustable clamp group 4, and the driving cylinder pressure 6 can drive the adjustable clamp
Group 4 is remote or includes a cylinder body 61 and a piston rod 62, in the present embodiment, the cylinder close to the grips pincers 3, the driving cylinder pressure 6
Body 61 is installed in the adjustable clamp group 4, and one end of the piston rod 62 is installed on the pedestal 2.
The pipe-line cell 7 connects the switching valve 5 and the driving cylinder pressure 6, and the pipe-line cell 7 includes the He of a pressure lateral line 71
One oil return lateral line 72.
Refering to shown in accompanying drawing 6~8, the buffer cell 8 is arranged in the adjustable clamp group 4, and the buffer cell 8 includes one first
Passage 81, a second channel 82, a control piece 83 and the valve road 84 of the connection first passage 81 and second channel 82, should
First passage 81 and second channel 82 are serially connected with the pressure lateral line 71 of the pipe-line cell 7, and in the present embodiment, this
One passage 81 and second channel 82 are integrally formed on the adjustable shelf 41；The control piece 83 can be via the pressing plate 42 by this
Workpiece 9 triggers, and the control piece 83 can be between a first position (see shown in accompanying drawing 7) and a second place (see shown in accompanying drawing 8)
It is mobile, and control the 10 mutual through-current capacity of hydraulic oil in the first passage 81 and second channel 82；The control piece 83 has one to slide
The spring 832 of valve rod 831 and one being arranged in the valve road 84, one end open, the other end closure of the valve road, the valve rod 831 have
There is the openend 841 of the stretching valve road 84 outer and can be by the triggering end 833, one that the workpiece 9 triggers in contrast to the triggering end
833 and corresponding to the valve road 84 closed end 842 inner end 834, one it is big between the triggering end 833 and the inner end 834
Footpath section 835 and one is located at the path section 836 between the big footpath section 835 and the inner end 834, the triggering end 833 of the valve rod 831
The screw 424 is resisted against, due to might have tolerance when part produces, after causing the valve rod 831 to be assembled with the second channel 82
Not in estimated relative position, therefore the distance that the triggering end 833 stretches out the openend 842 can be adjusted by the screw 424, with
Adjust the relative position between the valve rod 831 and the second channel 82；The both ends of the spring 832 are resisted against the valve road 84 respectively
The inner end 834 of closed end 842 and the valve rod 831, and the spring 832 has the valve rod 831 can be made to be inclined to by the second place
Towards the potential energy of first position movement.
Refering to shown in accompanying drawing 5,7 and 8, when the switching valve 5, which switches to this, closes clip-like state, the hydraulic oil 10 is by the pump interface
51 sequentially through the pressure lateral line 71, the buffer cell 8, and flows into the driving cylinder pressure 6, is then flowed out by the driving cylinder pressure 6
To the oil return lateral line 72, and the cylinder body 61 is driven to drive the adjustable clamp group 4 to be moved towards the grips pincers 3, now the control piece
83 be in the first position, and the first passage 81 and second channel 82 are interconnected via the valve road 84 and the path section 836, should
Be available between first passage 81 and second channel 82 hydraulic oil 10 with a normal discharge by, when the pressing plate 42 contradict the workpiece 9,
And the control piece 83 is via the pressing plate 42 by the workpiece 9 when being triggered and being moved to the second place, the first passage 81 and second
Passage 82 is interconnected via the valve road 84 and the big footpath section 835, is only capable of supplying the liquid between the first passage 81 and second channel 82
Force feed 10 with one be less than the normal discharge tiny flow quantity by, and then make the adjustable clamp group 4 move speed can become very
Slowly, so as to reaching the effect of a buffering.
Refering to shown in accompanying drawing 6~8, when the switching valve 5, which switches to this, opens clip-like state, the hydraulic oil 10 is by the oil return side pipe
Road 72 flows into the driving cylinder pressure 6, and flows out to the pressure lateral line 71 by the driving cylinder pressure 6, and drives the adjustable clamp group 4 remote
The grips pincers 3, the control piece 83 releases to be triggered by the workpiece 9, and is used the spring 832 and moved back into the first position.
The advantage of the invention is that：When the pressing plate 42 of the adjustable clamp group 4, which contradicts, arrives the workpiece 9, the control piece 83 is by tactile
Send out and be moved to the second place, now the adjustable clamp group 4 is limited by the buffer cell 8, is forced close with extremely slow speed
The grips pincers 3, it is slowly close towards the grips pincers 3 in the adjustable clamp group 4 because feeding is extremely short to the circulation time for completing cutting
During, complete feeding cutting, you can unclamp the workpiece 9, so can reach the effect of buffering, the hydraulic oil 10 maintains
Be set in can stable holding solid shape pipe fitting elevated pressures, even if the workpiece 9 is the weaker hollow pipe fitting of structure, but due to this
The design of buffer cell 8, the workpiece 9 just can be avoided to be pressed from both sides bad, and clamp pressure need not be adjusted during operation.
Refering to shown in accompanying drawing 9, it is the structural representation of the second embodiment of buffer-type gripping mechanism of the present invention.The
Two embodiments are very similar with the first embodiment, are only that in place of difference：In a second embodiment, first passage 81 and
Two passages 82 are serially connected on the oil return lateral line 72 of the pipe-line cell 7, when the switching valve 5 switches to (figure when this closes clip-like state
It is not shown), the hydraulic oil 10 is flowed into the driving cylinder pressure 6 by pump interface 51 through the pressure lateral line 71, is then pressed by the driving
Cylinder 6 flows out to the oil return lateral line 72, and returns to the oil return interface 52 after flowing through the buffer cell 8, thereby drives the cylinder body 61
The adjustable clamp group 4 is driven to be moved towards the grips pincers 3.
It is noted that pressing plate 42, linear guide group 43 and return unit 44 in the adjustable clamp group 4 etc. not this
The necessary component of invention, if the workpiece 9 is rectangular cross section, it also can directly press the control piece 83 of the buffer cell 8.In addition,
Although the above embodiment of the present invention is exemplified by applying in feeding clamp, the invention is not restricted to this, also can be applicable to main clamp.
In summary, the present invention can produce buffering effect when clamping workpiece, and suitable for different tubular types, producing line is made
Industry personnel need not adjust clamp pressure because workpiece is different, be advantageous to lift producing line mobility, therefore can reach the present invention really
Purpose.
Above-mentioned embodiment only the illustrative present invention the effect of, not for limitation the present invention, it is noted that for
For those skilled in the art, without departing from the technical principles of the invention, some change can also be made
Enter and modification, these improvement and modification also should be regarded as within the scope of the present invention.In addition, each group in the above-described embodiment
The quantity of part is only illustrative, also non-to be used to limit the present invention.
Claims (11)
- A kind of 1. buffer-type gripping mechanism, it is characterised in that：The buffer-type gripping mechanism is used cooperatively with a hydraulic oil (10), and For clamping a workpiece (9)；The buffer-type gripping mechanism includes pedestal (2), grips pincers (3), adjustable clamp group (4), switching valve (5) cylinder pressure (6), pipe-line cell (7) and buffer cell (8), are driven, wherein, the grips pincers (3) are arranged on the pedestal (2) On, the adjustable clamp group (4) be arranged on the pedestal (2) and with the grips pincers (3) separately, and the adjustable clamp group (4) is solid with this It is used to house the workpiece (9) between fixed pincers (3)；The switching valve (5), which has, closes clip-like state and opens clip-like state, and can close clip-like State and opening switches between clip-like state；The driving cylinder pressure (6) is connected between the pedestal (2) and the adjustable clamp group (4), and the driving pressure Cylinder (6) can also drive the adjustable clamp group (4) away from or close to the grips pincers (3)；The pipe-line cell (7) connects the switching valve (5) with the driving cylinder pressure (6)；The buffer cell (8) is arranged in the adjustable clamp group (4), and the buffer cell (8) includes one First passage (81), a second channel (82) being connected with the first passage (81) and one can control the first passage (81) and second channel (82) mutually through-current capacity control piece (83), the first passage (81) and second channel (82) are serially connected in this In pipe-line cell (7), the control piece (83) can move between first position and the second place；When the switching valve (5) switches to When this closes clip-like state, the hydraulic oil (10) flow to the driving cylinder pressure (6) via the pipe-line cell (7), and drives the adjustable clamp group (4) mobile towards the grips pincers (3), now the control piece (83) is in the first position, and the first passage (81) and second leads to Between road (82) can for the hydraulic oil (10) with a normal discharge by, and when the control piece (83) by the workpiece (9) trigger and When being moved to the second place, it is only capable of with one being less than for the hydraulic oil (10) between the first passage (81) and second channel (82) and is somebody's turn to do The tiny flow quantity of normal discharge is by the way that when the switching valve (5) being switched into this opening clip-like state, the hydraulic oil (10) can drive The adjustable clamp group (4) away from the grips pincers (3), the control piece (83) release by the workpiece (9) trigger and move back into this first Position.
- 2. buffer-type gripping mechanism according to claim 1, it is characterised in that：The adjustable clamp group (4) includes an adjustable shelf (41) and one can be movably arranged at pressing plate (42) on the adjustable shelf (41), and the pressing plate (42) has one solid in face of this The clamped surface (421) of (3) and one is clamped calmly and faces the medial surface (422) of the adjustable shelf (41), and the control piece (83) is via the pressure Plate (42) is triggered by the workpiece (9).
- 3. buffer-type gripping mechanism according to claim 2, it is characterised in that：The adjustable clamp group (4) also includes one and set The linear guide group (43) and a return unit (44) being placed between the adjustable shelf (41) and the pressing plate (42), the pressing plate (42) It is arranged on can moving linearly on the adjustable shelf (41), the return unit (44), which has, makes the pressing plate (42) tendency is floating to stretch out the work The potential energy of moving frame (41).
- 4. buffer-type gripping mechanism according to claim 3, it is characterised in that：The linear guide group (43) has a pair points The guide rod (431) not being arranged on the adjustable shelf (41), one end of each guide rod (431) are fixed on the pressing plate (42), often The other end of one guide rod (431) has a limiting section (432), and two limiting sections (432) can limit the pressing plate (42) distance for stretching out the adjustable shelf (41) is floated.
- 5. buffer-type gripping mechanism according to claim 3, it is characterised in that：The return unit (44) is a compression spring, The adjustable shelf (41) has one to house the blind hole (411) of the return unit (44), and the return unit (44) is resisted against the pressing plate (42) medial surface (422).
- 6. buffer-type gripping mechanism according to claim 3, it is characterised in that：First passage in the buffer cell (8) (81) it is integrally formed on the adjustable shelf (41) with second channel (82).
- 7. buffer-type gripping mechanism according to claim 3, it is characterised in that：The pipe-line cell (7) includes one on the pressure side Pipeline (71) and an oil return lateral line (72), when the switching valve (5), which switches to this, closes clip-like state, the hydraulic oil (10) is via this Pressure lateral line (71) flows into the driving cylinder pressure (6) and flows out to the oil return lateral line (72) by the driving cylinder pressure (6)；When The switching valve (5) switches to this when opening clip-like state, and the hydraulic oil (10) flows into the driving cylinder pressure via the oil return lateral line (72) (6) the pressure lateral line (71) is flowed out in and by the driving cylinder pressure (6)；First passage (81) and second channel (82) in the buffer cell (8) are serially connected with the pressure lateral line (71), or First passage (81) and second channel (82) in person's buffer cell (8) are serially connected with the oil return lateral line (72).
- 8. buffer-type gripping mechanism according to claim 7, it is characterised in that：First passage in the buffer cell (8) (81) it is serially connected with the pressure lateral line (71) with second channel (82).
- 9. buffer-type gripping mechanism according to claim 8, it is characterised in that：The buffer cell (8) also include one with The valve road (84) that the first passage (81) is connected with second channel (82), one end open, the other end closure of the valve road (84), The control piece (83) has the valve rod (831) and a spring (832) being slideably positioned in the valve road (84), the valve rod (831) With one stretch out the valve road (84) openend is outer and the triggering end (833), one tactile in contrast to this that can be triggered by the workpiece (9) Start (833) and correspond to the inner end (834) of the closed end of the valve road (84), one positioned at the triggering end (833) and the inner end (834) big footpath section (835) and a path section (836) between the big footpath section (835) and the inner end (834) between, For the control piece (83) at the first position, the first passage (81) and second channel (82) are via the valve road (84) and the path Section (836) connection, when the control piece (83) is in the second place, the first passage (81) and second channel (82) are via the valve Road (84) and big footpath section (835) connection, the both ends of the spring (832) are resisted against the closed end and the valve of the valve road (84) respectively The inner end (834) of bar (831), and the spring (832) also have can make the valve rod (831) tendency by the second place towards this The potential energy of one position movement.
- 10. buffer-type gripping mechanism according to claim 9, it is characterised in that：The pressing plate (42) also runs through with one should Clamped surface (421) is arranged on the screw (424) in the screw (423) with the screw (423) of the medial surface (422) and one, should The triggering end (833) of valve rod (831) is resisted against the screw (424), and the screw (424) can adjust touching for the valve rod (831) Originator stretches out the distance of valve road (84) openend.
- 11. according to buffer-type gripping mechanism according to any one of claims 1 to 10, it is characterised in that：The driving cylinder pressure (6) Including a cylinder body (61) and a piston rod (62), the cylinder body (61) is installed in the adjustable clamp group (4), and the one of the piston rod (62) End is installed on the pedestal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854079.3A CN107866758A (en) | 2016-09-27 | 2016-09-27 | Buffer-type gripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854079.3A CN107866758A (en) | 2016-09-27 | 2016-09-27 | Buffer-type gripping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107866758A true CN107866758A (en) | 2018-04-03 |
Family
ID=61752182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854079.3A Pending CN107866758A (en) | 2016-09-27 | 2016-09-27 | Buffer-type gripping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107866758A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05277864A (en) * | 1992-03-26 | 1993-10-26 | Ikeda Koki Kk | Centering device in machine tool |
| WO1999014013A1 (en) * | 1997-09-16 | 1999-03-25 | Amada Company, Limited | Method of clamping a work with vise apparatus and vise apparatus |
| CN2628246Y (en) * | 2003-06-02 | 2004-07-28 | 和和机械股份有限公司 | Press cylinder braking device capable of generating buffer effect at stroke terminal |
| CN201147907Y (en) * | 2008-01-25 | 2008-11-12 | 北京石油化工学院 | Hydraulic force amplifier having oil-liquid automatic compensation apparatus |
| CN201217181Y (en) * | 2008-03-26 | 2009-04-08 | 刘庆荣 | Hydraulic pliers |
| US20100025904A1 (en) * | 2007-02-27 | 2010-02-04 | Satoshi Okanda | Clamp |
| CN101890680A (en) * | 2010-03-08 | 2010-11-24 | 张家港市聚翔机械有限公司 | Double-jaw pliers |
| CN206066257U (en) * | 2016-09-27 | 2017-04-05 | 和和机械（张家港）有限公司 | Buffer-type gripping mechanism |
| CN208930039U (en) * | 2018-09-14 | 2019-06-04 | 潍坊职业学院 | Plate accessory clamp |
-
2016
- 2016-09-27 CN CN201610854079.3A patent/CN107866758A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05277864A (en) * | 1992-03-26 | 1993-10-26 | Ikeda Koki Kk | Centering device in machine tool |
| WO1999014013A1 (en) * | 1997-09-16 | 1999-03-25 | Amada Company, Limited | Method of clamping a work with vise apparatus and vise apparatus |
| CN2628246Y (en) * | 2003-06-02 | 2004-07-28 | 和和机械股份有限公司 | Press cylinder braking device capable of generating buffer effect at stroke terminal |
| US20100025904A1 (en) * | 2007-02-27 | 2010-02-04 | Satoshi Okanda | Clamp |
| CN201147907Y (en) * | 2008-01-25 | 2008-11-12 | 北京石油化工学院 | Hydraulic force amplifier having oil-liquid automatic compensation apparatus |
| CN201217181Y (en) * | 2008-03-26 | 2009-04-08 | 刘庆荣 | Hydraulic pliers |
| CN101890680A (en) * | 2010-03-08 | 2010-11-24 | 张家港市聚翔机械有限公司 | Double-jaw pliers |
| CN206066257U (en) * | 2016-09-27 | 2017-04-05 | 和和机械（张家港）有限公司 | Buffer-type gripping mechanism |
| CN208930039U (en) * | 2018-09-14 | 2019-06-04 | 潍坊职业学院 | Plate accessory clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205111372U (en) | Link mechanism clamping jig | |
| CN100999282A (en) | Lumber feeding mechanism | |
| CN201121770Y (en) | Pipe slewing clamping and contraction device | |
| CN205254848U (en) | Unidirectional drive cramping device | |
| CN202726615U (en) | Large steel sizing machine | |
| CN206066257U (en) | Buffer-type gripping mechanism | |
| CN107866758A (en) | Buffer-type gripping mechanism | |
| PL2155464T3 (en) | Demolding device for demolding a tool from a mold | |
| CN102182187A (en) | Pile clamping box for accurate positioning | |
| CN105458787A (en) | Fixture for processing of valve bodies of gate valves | |
| CN202114897U (en) | High-speed injection circuit with buffering function for hydraulic injection moulding machine | |
| CN109702484A (en) | Small piston sealing ring automatic assembling and voltage adjusting device | |
| CN215749434U (en) | Online cutting device | |
| CN212509043U (en) | Hydraulic station | |
| CN109018999A (en) | A kind of civil engineering hose transfer device | |
| CN210551626U (en) | Foam pressing device for foam cutting machine | |
| CN211804993U (en) | Positioning device | |
| CN203579031U (en) | Automatic welding wire transporting device | |
| CN201693452U (en) | Grinder working table positioning buffering device | |
| CN204019163U (en) | A kind of two-way vertical folder press mechanism of sawing machine | |
| CN210071318U (en) | Under-pressure opening and closing test equipment for valve | |
| CN203343237U (en) | Automobile girder bending and clamping die | |
| CN203696829U (en) | Double-station effective environment-friendly pneumatic clamp | |
| CN215149238U (en) | Clamping mechanism capable of being inserted into narrow space | |
| CN201406372Y (en) | Shaping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |