CN104259886B - A kind of clamp method for piece-holder and clamping device thereof - Google Patents
A kind of clamp method for piece-holder and clamping device thereof Download PDFInfo
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- CN104259886B CN104259886B CN201410480375.2A CN201410480375A CN104259886B CN 104259886 B CN104259886 B CN 104259886B CN 201410480375 A CN201410480375 A CN 201410480375A CN 104259886 B CN104259886 B CN 104259886B
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- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000003672 processing method Methods 0.000 description 6
- 238000005242 forging Methods 0.000 description 5
- 238000010923 batch production Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of clamp method for piece-holder and clamping device thereof, clamp method is to increase an auxiliary clamping process to matching eventually through described movable mold half and fixed mold during securing for piece-holder after described workpiece enters into feeding position, one auxiliary clamping device with auxiliary clamping part is i.e. set, while described movable mold half and fixed mold match and be clamped in described workpiece both sides respectively so that described movable mold half and fixed mold thus piece-holder fixed, the clamping to workpiece side is unclamped in described auxiliary blessing portion, complete the auxiliary clamping process to this subjob.Present invention reduces the difficulty that the translational speed of movable mold half is arranged, save manpower and materials, it both can guarantee that workpiece did not fell out after being pushed out horizontal hopper, can guarantee that again workpiece will not be deformed destroying, reduces the percent defective of workpiece, decrease production cost.
Description
Technical field
The present invention relates to a kind of clamp method and clamping device thereof, particularly relate to a kind of clamp method for piece-holder and clamping device thereof.
Background technology
Pipe fitting flat head chamfering machine is the process equipment utilizing the power head device with cutter head that the workpiece before dispatching from the factory carries out tack, chamfering.nullAs shown in Figure 1 to Figure 3，The process of a kind of existing pipe fitting flat head chamfering machine is as follows: first，Workpiece 1 is positioned in vertical hopper 2，In workpiece 1 falls into horizontal hopper 3 in vertical hopper 2 and be positioned at 4(feeding position, feeding position and be positioned at horizontal hopper and be positioned at the position directly below of vertical hopper)，Then control horizontal air cylinder or hydraulic cylinder 5 action thus drive to fix the movable mold half 6 being connected with its piston rod and at feeding position 4, move horizontally (Working position is at the fixed mold 9 being fixedly installed on operating platform 8) towards Working position 7 inside horizontal hopper 3，Thus promote the workpiece 1 being in feeding position 4 to move towards Working position 7 together，Match so that described movable mold half 6 and fixed mold 9 are clamped in described workpiece 1 both sides respectively thus are clamped at Working position 7 by workpiece 1 eventually through movable mold half 6 and fixed mold 9，Control the power head device with cutter head (not shown in Fig. 1 to Fig. 3) again to move close to workpiece 1 it is processed，After completion of processing，Control to remove with the power head device of cutter head，Control horizontal air cylinder or hydraulic cylinder 5 action again thus drive to fix the movable mold half 6 that is connected with its piston rod and process along moving horizontally to carry out the feeding of next workpiece towards feeding position 4 from Working position 7 inside horizontal hopper，Movable mold half 6 moves horizontally and opens the clamping being equivalent to unclamp the workpiece 1 to completion of processing simultaneously，The workpiece 1 of completion of processing drops，Outlet material 10 from operating platform 8 is discharged，So circulation.
For the ease of being automatically drained out of workpiece 1, the general lower section that discharging opening 10 is arranged on feeding position 4 is i.e. arranged on movable mold half 6 and workpiece 1 is gripped the lower section at place by fixed mold 9, for this, fixed mold contiguous block 11 is arranged and is positioned on the operating platform 8 of discharging opening 10 side, horizontal hopper 3 is arranged on the operating platform 8 of discharging opening 10 other side, by fixed mold 9 by the unsettled top position being arranged on discharging opening 10 of fixed mold contiguous block 11.
nullAs shown in Figure 2，Add man-hour，Movable mold half 6 promotes workpiece 1 to move towards Working position 7 from feeding position 4 along horizontal hopper 3 is internal，When its by the port of the workpiece 1 horizontal hopper of release 3 until the side of workpiece 1 contact with fixed mold 9 during this period of time in，Workpiece 1 only side contacts with movable mold half 6，Its other side is also not exposed to fixed mold 9，Under the influence of gravity，Workpiece 1 will have the trend dropped downwards within above-mentioned a period of time，And the shape of the clamping face of movable mold half 6 and fixed mold 9 (position that i.e. movable mold half and fixed mold contact with workpiece) all matches with workpiece 1，In order to make movable mold half 6 and fixed mold 9 be fixedly clamped workpiece 1 so that processing，When adding being fully contacted of the clamping face that must assure that workpiece 1 man-hour with movable mold half 6 and fixed mold 9，If workpiece 1 drops downwards when being pushed out horizontal hopper 3，The clamping face that can cause movable mold half 6 and fixed mold 9 can not be fully contacted with workpiece 1，Thus not clamping workpiece 1，Cannot be carried out normally producing.
Existing pipe fitting flat head chamfering machine is to solve the problems referred to above by the translational speed controlling movable mold half 6, inertia when utilizing workpiece 1 to be pushed out horizontal hopper 3, workpiece 1 is pushed on the clamping face of fixed mold 9 form workpiece 1 method of clamping of sandwich by arranging the translational speed of suitable movable mold half 6, therefore, the setting of the translational speed of movable mold half 6 is the most critically important, if translational speed is the slowest, workpiece 1 is not the most pushed on the clamping face of fixed mold 9, its inertia has disappeared, and workpiece will drop；If translational speed is too fast, the momentum of workpiece 1 can increase, its momentum also can increase, thus also increases the impulsive force of fixed mold 9, so on the one hand, impulsive force is crossed conference and is caused workpiece to be deformed destroying, the percent defective making workpiece is significantly increased, and adds production cost, still further aspect, also the machining accuracy that can make workpiece can significantly reduce, and increases percent defective and the production cost of workpiece further；Also having and be exactly, cutter head is also affected the biggest by the workpiece that processing is deformed after destroying, it may appear that the problem forged a knife, and needs frequently to change cutter head, too increases production cost, also reduces the service life of process equipment.Therefore, before reality is processed, the difficulty translational speed of movable mold half is arranged to suitable translational speed according to the specification of workpiece is bigger, require a great deal of time and energy, cause the waste of man power and material, particularly when the specification of workpieces difference of processing (specification of corresponding movable mold half and fixed mold is also different), accordingly, the translational speed of movable mold half also to debug change again.
To sum up, consider the most from another point of view, design a kind of clamp method for piece-holder and clamping device thereof, to reduce the difficulty that the translational speed of movable mold half is arranged, use manpower and material resources sparingly, make its both can guarantee that workpiece after being pushed out horizontal hopper until workpiece is pushed to not fall out in a period of time on the clamping face of fixed mold, can guarantee that again when workpiece is pushed on the clamping face of fixed mold, workpiece will not be deformed destroying, reduce the percent defective of workpiece, reduce production cost, ensure the machining accuracy of workpiece, avoid forging a knife the generation of phenomenon, the service life improving process equipment is to be badly in need of solving the technical problem that.
Summary of the invention
The technical problem to be solved is the defect existed for prior art, a kind of clamp method for piece-holder and clamping device thereof are provided, which reduce the difficulty that the translational speed of movable mold half is arranged, save manpower and materials, its both can guarantee that workpiece after being pushed out horizontal hopper until workpiece is pushed to not fall out in a period of time on the clamping face of fixed mold, can guarantee that again when workpiece is pushed on the clamping face of fixed mold, workpiece will not be deformed destroying, reduce the percent defective of workpiece, decrease production cost, ensure that the machining accuracy of workpiece, avoid the generation of phenomenon of forging a knife, improve the service life of process equipment.
nullFor solving above-mentioned technical problem，The technical solution used in the present invention is: a kind of clamp method for piece-holder，It is to make workpiece enter into feeding position，Then described workpiece is promoted to move towards Working position by movable mold half，Match so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus fix to be processed by piece-holder eventually through described movable mold half and fixed mold，During securing for piece-holder, an auxiliary clamping process is increased to matching eventually through described movable mold half and fixed mold after described workpiece enters into feeding position，One auxiliary clamping device with auxiliary clamping part is i.e. set，When described movable mold half promotes workpiece to move towards Working position, described workpiece can contact with auxiliary clamping part，When described workpiece contacts with auxiliary clamping part，And matched with described movable mold half so that described movable mold half and auxiliary retained part are not clamped in described workpiece both sides thus piece-holder is fixed formation auxiliary clamping to workpiece applying chucking power by described auxiliary clamping part，It is further continued for driving described workpiece to move towards Working position by described movable mold half together with auxiliary clamping part，While described movable mold half and fixed mold match and be clamped in described workpiece both sides respectively so that described movable mold half and fixed mold thus piece-holder fixed, the clamping to workpiece side is unclamped in described auxiliary blessing portion，Complete the auxiliary clamping process to this subjob.
Preferably, during described auxiliary clamping, described movable mold half and workpiece are directed towards direction, Working position side in moving horizontally and being relatively fixed motionless between described movable mold half workpiece in contact, described auxiliary clamping part be on described auxiliary clamping device a little centered by circumferentially move towards direction, Working position side and be relative movement between described auxiliary clamping part and workpiece in contact.
Preferably, described auxiliary clamping part is that the sidepiece from surface of the work moves towards the peak position on described surface of the work, when it moves to the peak position of described surface of the work, described auxiliary clamping part unclamps the clamping to workpiece, the most described movable mold half and fixed mold match so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus piece-holder are fixed, and complete the auxiliary clamping process to this subjob.
Preferably, described auxiliary clamping device includes bracing frame, rotary shaft, swing arm, supporting rod, supporting rod block and extension spring；Support frame as described above is fixedly installed on vertical hopper, described rotary shaft is rotatably connected on one end of bracing frame, one end of described supporting rod is connected with described rotary shaft, described supporting rod block is fixedly installed on described vertical hopper and is positioned at the lower position of support frame as described above, one end of described swing arm is fixedly connected on one end of described rotary shaft, one end of described extension spring is connected with the other end of support frame as described above, and the other end of described extension spring is connected with the other end of described swing arm；To one pretension of supporting rod by described extension spring and contacted with supporting rod by described supporting rod block and make described supporting rod remain a state with pretension, the other end of described supporting rod is described auxiliary clamping part, and the other end of described supporting rod is in described horizontal hopper and it is blocked in described workpiece along horizontal hopper towards Working position by the anterior position on pushing direction.
Preferably, described clamp method comprises the following steps:
A, workpiece enters into the feeding position in horizontal hopper in vertical hopper, control horizontal air cylinder or hydraulic cylinder action drives movable mold half to move towards Working position inside horizontal hopper, when movable mold half 6 moves at described workpiece, the clamping face of described movable mold half contacts with the side of described workpiece, after contact, described workpiece is continued to press on by movable mold half and moves towards Working position inside horizontal hopper, time at the other end moving to described supporting rod, the other end of described supporting rod contacts with the other side of workpiece, under the pretension effect of described extension spring, the other end of described supporting rod applies chucking power to workpiece so that the other end of described movable mold half and supporting rod is clamped in described workpiece both sides respectively thus piece-holder is fixed formation auxiliary clamping；
B, after auxiliary clamping is formed, continuing through described movable mold half drives described workpiece to move towards Working position together with the other end of supporting rod, described movable mold half and workpiece in move horizontally and between described movable mold half workpiece in contact be relatively fixed motionless, the other end of described supporting rod is circumferentially moved towards direction, Working position side centered by described rotary shaft and the other end of described supporting rod and workpiece in contact are relative movements, the other end of the most described supporting rod is that the sidepiece from surface of the work moves towards the peak position on described surface of the work；
C, when the other end of described supporting rod moves to the peak position of described surface of the work, described workpiece is pushed at Working position and the other side of described workpiece is contacted with the clamping face of fixed mold, the most described movable mold half of the clamping to workpiece is i.e. unclamped in the chucking power disappearance that workpiece is applied by the other end of described supporting rod and fixed mold matches so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus piece-holder are fixed, and is processed workpiece；
After d, work pieces process, control horizontal air cylinder or hydraulic cylinder action drives movable mold half to move towards feeding position inside horizontal hopper, movable mold half and fixed mold are unclamped the clamping to workpiece and are made workpiece drop from discharging opening discharge, in moving process, movable mold half linearly moves until returning to feeding position, and the other end of described supporting rod is circumferentially moved towards direction, side, feeding position centered by described rotary shaft until the other end of described supporting rod turns to contact with described supporting rod block so that next workpiece is carried out auxiliary clamping；
Go to perform a step, until whole processing tasks completes after d has walked.
Invention additionally discloses a kind of clamping device realized according to clamp method as above, including the fixed mold being fixedly installed on operating platform top discharge mouth side, it is slidably arranged in the movable mold half in the horizontal hopper of described operating platform top discharge mouth opposite side, it is fixedly installed on the horizontal air cylinder on described operating platform or hydraulic cylinder, the tailpiece of the piston rod of described horizontal air cylinder or hydraulic cylinder is fixing with described movable mold half to be connected, described movable mold half can move back and forth under the effect of described horizontal air cylinder or hydraulic cylinder along described horizontal hopper, its described clamping device also includes the auxiliary clamping device with auxiliary clamping part, described auxiliary clamping device includes bracing frame, rotary shaft, swing arm, supporting rod, supporting rod block and extension spring；Support frame as described above is fixedly installed on vertical hopper, described rotary shaft is rotatably connected on one end of bracing frame, one end of described supporting rod is connected with described rotary shaft, described supporting rod block is fixedly installed on described vertical hopper and is positioned at the lower position of support frame as described above, one end of described swing arm is fixedly connected on one end of described rotary shaft, one end of described extension spring is connected with the other end of support frame as described above, and the other end of described extension spring is connected with the other end of described swing arm；To one pretension of supporting rod by described extension spring and contacted with supporting rod by described supporting rod block and make described supporting rod remain a state with pretension, the other end of described supporting rod is described auxiliary clamping part, and the other end of described supporting rod is in described horizontal hopper and it is blocked in described workpiece along horizontal hopper towards Working position by the anterior position on pushing direction by described supporting rod block.
Preferably, on the top of described movable mold half and be positioned at the clamping face of movable mold half and be provided with the retaining groove that the other end with described supporting rod matches.
Preferably, described rotary shaft has through hole and the screwed hole through with described through hole, one end of described supporting rod through the through hole in described rotary shaft, is screwed into described screwed hole with fastening screw and the bar portion of described fastening screw is contacted described supporting rod with supporting rod hold out against to be fixed in described rotary shaft.
Preferably, the other end of described supporting rod the most described auxiliary clamping part is set to inclined-plane.
Preferably, support frame as described above is additionally provided with the compressed air cleaning device for blowing processing powder off.
nullThe beneficial effects of the present invention is: till the present invention is by increasing an auxiliary clamping process and assisting clamping process can be continued until that when workpiece moves in horizontal hopper workpiece is sent to when the clamping face with fixed mold contacts during existing piece-holder，Ensure that workpiece does not falls out when being pushed out the port of horizontal hopper，Thus the difficulty that the translational speed reducing movable mold half is arranged，Save manpower and materials，Its both can guarantee that workpiece after being pushed out horizontal hopper until workpiece is pushed to not fall out in a period of time on the clamping face of fixed mold，Can guarantee that again when workpiece is pushed on the clamping face of fixed mold，Will not be deformed destroying，Reduce the percent defective of workpiece，Decrease production cost，Ensure that the machining accuracy of workpiece，Avoid the generation of phenomenon of forging a knife，Improve the service life of process equipment；The auxiliary clamping mechanism structure set up in the present invention is simple, and cost is low, can realize the automatic replacement between the auxiliary clamping of workpiece and processing clamping two states, can complete the batch production of workpiece, improve production efficiency；On the top of movable mold half and be positioned at the clamping face of movable mold half and be provided with retaining groove, when work pieces process, by the active force of extension spring, the other end of supporting rod can move in retaining groove, the other end making supporting rod does not contacts with workpiece, the workpiece adding man-hour will not be impacted by the other end so making supporting rod, it is ensured that machining accuracy.
Accompanying drawing explanation
Fig. 1 is the process schematic diagram one of existing pipe fitting flat head chamfering machine；
Fig. 2 is the process schematic diagram two of existing pipe fitting flat head chamfering machine；
Fig. 3 is the process schematic diagram three of existing pipe fitting flat head chamfering machine；
Fig. 4 is the perspective view one of the pipe fitting flat head chamfering machine being provided with clamping device in the embodiment of the present invention；
Fig. 5 is the perspective view two of the pipe fitting flat head chamfering machine being provided with clamping device in the embodiment of the present invention；
Fig. 6 is the perspective view three of the pipe fitting flat head chamfering machine being provided with clamping device in the embodiment of the present invention；
Fig. 7 is to be positioned at the three-dimensional structure for amplifying schematic diagram at auxiliary clamping device in Fig. 4；
Fig. 8 is to be positioned at the three-dimensional structure for amplifying schematic diagram at auxiliary clamping device in Fig. 5；
Fig. 9 is to be positioned at the three-dimensional structure for amplifying schematic diagram at fixed mold in Fig. 6；
Figure 10 is the theory structure schematic diagram of clamp method in the embodiment of the present invention；
Figure 11 is the process schematic diagram one of the embodiment of the present invention；
Figure 12 is the process schematic diagram two of the embodiment of the present invention；
Figure 13 is the process schematic diagram three of the embodiment of the present invention；
In figure: 1. workpiece, the most vertical hopper, the most horizontal hopper, 4. feeding position, 5. horizontal air cylinder or hydraulic cylinder, 6. movable mold half, 7. Working position, 8. operating platform, 9. fixed mold, 10. outlet material, 11. fixed mold contiguous blocks, 12. discharge grooves, 13. with the power head device of cutter head, 14. auxiliary clamping parts, peak position on 15. surface of the works, 16. bracing frames, 17. rotary shafts, 18. swing arms, 19. supporting rods, 20. supporting rod blocks, 21. extension springs, 22. openings, 23. retaining grooves, 24. side plates, 25. stop collars, 26. screws, 27. fastening screws, 28. fixed blocks, 29. compression gas pipes.
Detailed description of the invention
With specific embodiment technical scheme done further details of elaboration below in conjunction with the accompanying drawings.
As shown in Fig. 4 to Fig. 9, pipe fitting flat head chamfering machine includes operating platform 8, has discharging opening 10 on operating platform 8, and the lower section of discharging opening 10 is fixedly installed discharge groove 12, and the workpiece 1 processed is discharged through discharge groove 12 after discharging opening 10 drops.nullIt is fixedly installed fixed mold contiguous block 11 on the operating platform 8 of the side being positioned at discharging opening 10，Fixed mold 9 is screwed on fixed mold contiguous block 11 and the unsettled top position being positioned at discharging opening 10，Fixed mold 9 is positioned at Working position 7，Operating platform 8 is further fixedly arranged on horizontal hopper 3，Horizontal hopper 3 is a hollow cuboid，The port of its one end is positioned at the other side of discharging opening 10，Charging aperture is had at the top of described horizontal hopper 3，Vertical hopper 2 is welded on the top of described horizontal hopper 3 and is positioned at described charging aperture，Vertical hopper 2 is also in the cuboid of a hollow，Its internal cavities is connected with the internal cavities of horizontal hopper by the described charging aperture at horizontal hopper top，Workpiece 1 can be entered into inside horizontal hopper in vertical hopper by the charging aperture at described horizontal hopper top，In feeding position is located in horizontal hopper 3 and be positioned at the position directly below of vertical hopper 2，Movable mold half 6 is slidably arranged in the inside of horizontal hopper 3，One effect of described horizontal hopper 3 is that movable mold half 6 plays a guide effect，Horizontal air cylinder or hydraulic cylinder 5 it is further fixedly arranged on operating platform 8，Movable mold half 6 is fixing with the piston rod of horizontal air cylinder or hydraulic cylinder 5 to be connected，Under the effect of horizontal air cylinder or hydraulic cylinder 5，Movable mold half 6 can move back and forth along horizontal hopper 3 is internal.For the ease of workpiece 1 is formed the clamp position of both sides, the clamping face with fixed mold 9 of described movable mold half 6 is that the shape of the clamping face (position that i.e. movable mold half and fixed mold contact with workpiece) of the setting of level of relative face and movable mold half 6 and fixed mold 9 all matches with workpiece.Pipe fitting flat head chamfering machine also includes the power head device 13 with cutter head that can move to Working position 7 and return from Working position 7, when workpiece 1 is fixedly clamped after Working position 7 by movable mold half 6 and fixed mold 9, near Working position 7, workpiece 1 is processed with the power head device 13 of cutter head by control, after completion of processing, control to leave Working position 7 with the power head device 13 of cutter head.
nullEmbodiment: as shown in Figure 10，A kind of clamp method for piece-holder，It is to make workpiece 1 enter at feeding position 4，Then described workpiece 1 is promoted to move towards the fixed mold 9 being positioned at Working position by movable mold half 6，Match so that described movable mold half 6 and fixed mold 9 are clamped in described workpiece 1 both sides respectively thus are clamped to be processed by workpiece 1 eventually through described movable mold half 6 and fixed mold 9，An auxiliary clamping process is increased eventually through described movable mold half 6 and fixed mold 9 during being clamped by workpiece 1 to matching after described workpiece 1 enters into feeding position，One auxiliary clamping device with auxiliary clamping part 14 is i.e. set，When described movable mold half 6 promotes workpiece 1 to move towards the fixed mold 9 being positioned at Working position, described workpiece 1 can contact with auxiliary clamping part 14，When described workpiece 1 contacts with auxiliary clamping part 14，By described auxiliary clamping part 14, workpiece 1 applied chucking power and match with described movable mold half 6 so that described movable mold half 6 and auxiliary clamping part 14 are clamped in described workpiece 1 both sides thus the formation auxiliary clamping that is clamped by workpiece 1 respectively，It is further continued for driving described workpiece 1 to move towards the fixed mold 9 being positioned at Working position by described movable mold half 6 together with auxiliary clamping part 14，While described movable mold half 6 and fixed mold 9 match and be clamped in described workpiece both sides respectively so that described movable mold half 6 and fixed mold 9 thus piece-holder fixed, the clamping to workpiece 1 side is unclamped in described auxiliary blessing portion 14，Complete the auxiliary clamping process to this subjob.nullDescribed clamp method is by increasing an auxiliary clamping process during piece-holder，Utilize the auxiliary clamping device with auxiliary clamping part，Make to assist clamping part and movable mold half tool to be clamped in described workpiece both sides and workpiece is formed an auxiliary clamp position，And till above-mentioned auxiliary clamp position can be continued until that when workpiece moves in horizontal hopper workpiece is sent to when the clamping face with fixed mold contacts，Ensure that workpiece does not falls out when being pushed out the port of horizontal hopper，So translational speed of movable mold half is just easily arranged a suitable speed，Need not should consider as before that the translational speed of movable mold half can not be the slowest，It is also contemplated that the translational speed of movable mold half can not cross block，Because adding such a auxiliary clamping process to ensure that workpiece does not falls out when being pushed out the port of horizontal hopper，So range of choice when arranging the translational speed of movable mold half is the biggest，Both dropping of workpiece after causing workpiece to be pushed out horizontal hopper the most slowly because of the translational speed of movable mold half had been avoided，Turn avoid because the too fast workpiece causing workpiece to cause when being pushed on the clamping face of fixed mold of the translational speed of movable mold half is deformed destroying，The clamp method of the present invention reduces the difficulty that the translational speed of movable mold half is arranged，Save manpower and materials，Its both can guarantee that workpiece after being pushed out horizontal hopper until workpiece is pushed to not fall out in a period of time on the clamping face of fixed mold，Can guarantee that again when workpiece is pushed on the clamping face of fixed mold，Will not be deformed destroying，Reduce the percent defective of workpiece，Decrease production cost，Ensure that the machining accuracy of workpiece，Avoid the generation of phenomenon of forging a knife，Improve the service life of process equipment.
During described auxiliary clamping, described movable mold half 6 and workpiece 1 are directed towards direction, Working position side in moving horizontally and being relatively fixed motionless between described movable mold half workpiece in contact 1, described auxiliary clamping part 14 be on described auxiliary clamping device a little centered by circumferentially move towards direction, Working position side and be relative movement between described auxiliary clamping part 14 and workpiece in contact 1.Described auxiliary clamping part 14 is that the sidepiece from surface of the work moves towards the peak position 15 on described surface of the work, when it moves to the peak position 15 of described surface of the work, described auxiliary clamping part 14 unclamps the clamping to workpiece 1, the most described movable mold half 6 and fixed mold 9 match so that described movable mold half 6 and fixed mold 9 are clamped in described workpiece 1 both sides respectively thus are clamped by workpiece 1, complete the auxiliary clamping process to this subjob 1.When the peak position 15 moved on described surface of the work that auxiliary clamping part 14 is relative, the clamping face that now workpiece 1 is pushed into fixed mold 9 contacts, processing method of clamping (i.e. movable mold half 6 and the fixed mold 9 clamping to workpiece 1) is formed, auxiliary clamping releases, and is thusly-formed processing method of clamping and substitutes the process of auxiliary method of clamping.Auxiliary method of clamping in this clamp method is to be initially formed an interim auxiliary clamping workpiece clamp to be handled, finally need for being substituted auxiliary method of clamping by processing method of clamping to handle to be processed by workpiece clamp, i.e. while movable mold half and fixed mold form processing method of clamping to workpiece, the clamping to workpiece side is unclamped in described auxiliary blessing portion, auxiliary method of clamping releases, because auxiliary method of clamping does not process method of clamping fastening, its method of clamping being only to provide an interim auxiliary ensures not fall out when workpiece is pushed out the port of horizontal hopper, will be by the active force of cutter head when adding man-hour workpiece, it is thus desirable to the processing method of clamping more fastened.In the process of multiple workpiece, above two method of clamping replaces circulation the most in turn, until completing whole processing tasks, this ensure that being normally carried out of work pieces process, can complete the batch production of workpiece, substantially increasing production efficiency.
As shown in Fig. 4 to Fig. 9, invention additionally discloses a kind of clamping device realizing above-mentioned clamp method, including the fixed mold 9 being fixedly installed on operating platform 8 top discharge mouth side, it is slidably arranged in the movable mold half 6 in the horizontal hopper of described operating platform 8 top discharge mouth opposite side, it is fixedly installed on the horizontal air cylinder on described operating platform 8 or hydraulic cylinder 5, the tailpiece of the piston rod of described horizontal air cylinder or hydraulic cylinder 5 is fixing with described movable mold half 6 to be connected, described movable mold half 6 can move back and forth under the effect of described horizontal air cylinder or hydraulic cylinder 5 along described horizontal hopper 3, described clamping device also includes the auxiliary clamping device with auxiliary clamping part, described auxiliary clamping device includes bracing frame 16, rotary shaft 17, swing arm 18, supporting rod 19, supporting rod block 20 and extension spring 21；Support frame as described above 16 is fixedly installed on vertical hopper 2, described rotary shaft 17 is rotatably connected on one end of bracing frame 16, one end of described supporting rod 19 is connected with described rotary shaft 17, described supporting rod block 20 is fixedly installed on described vertical hopper 2 and is positioned at the lower position of support frame as described above 16, one end of described swing arm 18 is fixedly connected on one end of described rotary shaft 17, one end of described extension spring 21 is connected with the other end of support frame as described above 16, and the other end of described extension spring 21 is connected with the other end of described swing arm 18；Give 19 1 pretensions of supporting rod by described extension spring 21 and contacted with supporting rod 19 by described supporting rod block 20 and make described supporting rod 19 remain a state with pretension, the other end of described supporting rod 19 is described auxiliary clamping part, the other end of described supporting rod 19 is in described horizontal hopper 3 and it is blocked in described workpiece 1 along horizontal hopper 3 towards Working position 7 by the anterior position on pushing direction by described supporting rod block 20, i.e. it is blocked in and enters between the described workpiece 1 of horizontal hopper and fixed mold 9 from vertical hopper, so that the other end making described supporting rod 19 applies chucking power to the side of workpiece 1.Described extension spring 21 is in a state elongated all the time, 19 1 pretensions of supporting rod are given by extension spring 21, under the effect of pretension, the other end of described supporting rod 19 has the trend moved in a circle towards direction, side, feeding position centered by rotary shaft 17 all the time, until the other end of described supporting rod 19 turns to held pole spacing block 20 and blocks and just can stop operating.Stop in order to the other end of supporting rod 19 can turn to the horizontal interior and held pole spacing block 20 of hopper 3, the other end of opening 22 dodging supporting rod 19 is all had on the top of horizontal hopper 3 and a sidepiece of vertical hopper 2, the opening 22 on the top of described horizontal hopper 3 connects with the opening 22 of a sidepiece of vertical hopper 2, this ensure that auxiliary clamping part 14 just can apply chucking power in horizontal hopper 3 to workpiece 1, form auxiliary clamping.nullAs shown in Figure 10 to Figure 13，Before processing，Supporting rod 19 held pole spacing block 20 blocks，Workpiece 1 enters on the feeding position horizontal hopper 3 from vertical hopper 2，Then control movable mold half 6 moves towards Working position along horizontal hopper 3 thus promotes workpiece 1 to move together，When workpiece 1 is pushed to contact with the other end of supporting rod 19 by movable mold half 6，Workpiece 1 be continued to press on so that workpiece 1 can apply an active force to the other end of supporting rod 19 by movable mold half 6，The other end making supporting rod 19 is left the other end of supporting rod block 20 and supporting rod 19 and is moved in a circle towards direction, Working position side centered by described rotary shaft 17，Simultaneously by the pretension of extension spring 21，The other end of supporting rod 19 can give 1 one i.e. chucking powers of reaction force of workpiece，Thus it forms auxiliary clamping together with movable mold half 6 to workpiece 1，When movable mold half 6 continues to move towards Working position，The other end of described supporting rod 19 relative meeting sidepiece from surface of the work moves towards the peak position 15 on described surface of the work，When it moves to the peak position 15 of described surface of the work，Workpiece 1 disappears to the other end of active force of supporting rod 19，The chucking power of workpiece 1 is disappeared by the other end of supporting rod 19 the most accordingly，The other end of supporting rod 19 is unclamped the clamping to workpiece 1 and is matched so that described movable mold half 6 and fixed mold 9 are clamped in described workpiece 1 both sides respectively thus are clamped by workpiece 1 by described movable mold half 6 and fixed mold 9 simultaneously，Realize forming processing method of clamping and substitute the process of auxiliary method of clamping.
nullAs shown in Fig. 6 and Fig. 9，On the top of movable mold half 6 and be positioned at the clamping face of movable mold half and be provided with retaining groove 23，The clamping face of described movable mold half 6 is the contact surface of movable mold half 6 and workpiece 1，When the clamping to workpiece 1 is unclamped in the peak position 15 that the other end of supporting rod 19 moves on described surface of the work，Under the effect of extension spring 21，The other end of supporting rod 19 moves in a circle towards direction, side, feeding position centered by described rotary shaft 17，Until the other end of supporting rod 19 contacts with retaining groove 23，I.e. by retaining groove 23, the other end of supporting rod 19 is blocked in retaining groove 23，Now，The peak position 15 on surface of the work is have left due to the other end of supporting rod 19，So the other end of supporting rod 19 does not contacts with workpiece 1，The workpiece 1 adding man-hour will not be impacted by the other end so making supporting rod 19，Thus do not interfere with machining accuracy.Man-hour is added at workpiece 1, owing to workpiece 1 can be by the active force of cutter head, if now the other end of supporting rod 19 also contacts with workpiece 1, the other end of supporting rod 19 can apply some unnecessary reaction forces to workpiece 1, processing to workpiece 1 impacts, and affects machining accuracy.
nullAs shown in Figure 5 and Figure 8，Support frame as described above 16 includes the biside plate 24 being fixedly installed on vertical hopper 2，Biside plate 24 is the level of state and is welded on the both sides of vertical hopper 2，In the present embodiment，Rotary shaft 17 through one end of described biside plate 24 and is rotationally connected with biside plate 24 by matched in clearance，Two ends through the rotary shaft 24 of biside plate are all cased with stop collar 25，The bar portion by screw 26 that is screwed in stop collar 25 by screw 26 contacts with rotary shaft 17 and is fixed in rotary shaft 17 by stop collar 25，Two stop collars 25 form axial limiting to rotary shaft 17，When preventing from rotating, rotary shaft 17 produces from biside plate 24，May be otherwise installation bearing on biside plate 24，By coordinating on one end that rotary shaft 17 is rotatably connected on described biside plate 24 of rotary shaft 17 and bearing.One end of described swing arm 18 is fixedly connected on one end of the described rotary shaft 17 passing biside plate, when rotary shaft 17 rotates, also the other end that can drive swing arm 18 rotates centered by rotary shaft 17, one end of described extension spring 21 is fixing with the other end of the biside plate 24 of bracing frame to be connected, and the other end of described extension spring 21 is fixing with the other end of swing arm 18 to be connected.After installation, extension spring 21 is in a state elongated all the time, gives 19 1 pretensions of supporting rod by extension spring 21.In the present embodiment, swing arm 18 and extension spring 21 are disposed as one, herein, it is also possible to swing arm 18 and extension spring 21 are disposed as two, are respectively fixedly connected with one end of said two swing arm 21 described through on the two ends of the rotary shaft 17 of biside plate.
Described rotary shaft 17 has through hole and the screwed hole through with described through hole, one end of described supporting rod 19 through the through hole in described rotary shaft, is screwed in the screwed hole in rotary shaft, with fastening screw 27, the bar portion making described fastening screw 27 and contacts with one end of supporting rod 19 thus be fixed in described rotary shaft 17 one end of described supporting rod 19.nullThe position that this structure makes supporting rod contact with rotary shaft can adjust，Thus the radius size that the other end adjusting supporting rod 19 moves in a circle centered by rotary shaft，When described radius more hour，The traveling time that the other end of supporting rod 19 sidepiece from surface of the work moves towards the peak position 15 on described surface of the work is the shortest，When described radius is the biggest，The traveling time that the other end of supporting rod 19 sidepiece from surface of the work moves towards the peak position 15 on described surface of the work is the longest，Such that it is able to the length of traveling time that the other end of supporting rod 19 sidepiece from surface of the work towards peak position 15 described surface of the work on move is adjusted flexibly，Make while the peak position 15 that the other end of supporting rod 19 moves on surface of the work releases auxiliary clamping，Fixed mold 9 and movable mold half 6 form processing clamping，Improve the versatility of this clamping device.
As shown in Figure 10 to Figure 13, the other end the most described auxiliary clamping part 14 of described supporting rod 19 is set to inclined-plane.So, when workpiece 1 is promoted and is contacted with the other end of described supporting rod 19, actually workpiece 1 contacts with the other end of inclined-plane of described supporting rod 19, in the present embodiment, workpiece 1 is circular pipe fitting, the frictional force when workpiece 1 surface is moved that the other end of the most described supporting rod 19 is relative is rolling friction, moves the frictional force between other end and workpiece 1 surface of described supporting rod 19 less, convenient.
As shown in figs. 4 and 7, support frame as described above 16 is additionally provided with the compressed air cleaning device for blowing processing powder off.Compressed air cleaning device includes the fixed block 28 being fixedly installed in the other end of support frame as described above biside plate and the compression gas pipe 29 passing described fixed block 28, and one end port of compression gas pipe 29 is at Working position, and its other end is connected with air compressor machine.Utilize compressed air to be blown off by processing powder, keep cleaning herein in order to avoid processing powder foot couple machining accuracy impacts.
As shown in Figure 10 to Figure 13, described clamp method comprises the following steps:
nulla、Workpiece 1 enters at the feeding position 4 in horizontal hopper 3 from vertical hopper 2，Control horizontal air cylinder or hydraulic cylinder action drives movable mold half 6 to move towards the fixed mold 9 being positioned at Working position 7 along horizontal hopper 3 is internal，When movable mold half 6 moves at described workpiece 1，The clamping face of described movable mold half 6 contacts with the side of described workpiece 1，After contact, described workpiece 1 is continued to press on by movable mold half 6 and moves towards the fixed mold 9 being positioned at Working position 7 along horizontal hopper 3 is internal，Time at the other end moving to described supporting rod 19，The other end of described supporting rod 19 contacts with the other side of workpiece 1，Under the pretension effect of described extension spring 21, the other end of described supporting rod 19 applies chucking power to workpiece 1 so that the other end of described movable mold half 6 and supporting rod 19 is clamped in described workpiece 1 both sides thus the formation auxiliary clamping that is clamped by workpiece 1 respectively；
B, after auxiliary clamping is formed, continuing through described movable mold half 6 drives described workpiece 1 to move towards the fixed mold 9 being positioned at Working position 7 together with the other end of supporting rod 19, described movable mold half 6 and workpiece 1 in move horizontally and between described movable mold half 6 workpiece in contact 1 be relatively fixed motionless, the other end of described supporting rod 19 is circumferentially moved towards direction, Working position 7 side centered by described rotary shaft 17 and the other end of described supporting rod 19 and workpiece in contact 1 are relative movements, the other end of the most described supporting rod 19 is that the sidepiece from surface of the work moves towards the peak position 15 on described surface of the work；
C, when the other end of described supporting rod 19 moves to the peak position 15 of described surface of the work, described workpiece 1 is pushed into be positioned at the fixed mold 9 of Working position 7 and the other side of described workpiece 1 is contacted with the clamping face of fixed mold 9, the most described movable mold half 6 of the clamping to workpiece 1 is i.e. unclamped in the chucking power disappearance that workpiece 1 is applied by the other end of described supporting rod 19 and fixed mold 9 matches so that described movable mold half 6 and fixed mold 9 are clamped in described workpiece 1 both sides respectively thus are clamped by workpiece 1, then control with the power head device 13 of cutter head, workpiece 1 to be processed；
D, after work pieces process, control horizontal air cylinder or hydraulic cylinder action drives movable mold half 6 to move towards feeding position along horizontal hopper 3 is internal, movable mold half 6 and fixed mold 9 are unclamped the clamping to workpiece 1 and workpiece 1 are dropped from discharging opening 10 discharge, in moving process, movable mold half 6 linearly moves until returning at feeding position 4, the other end of described supporting rod 19 is circumferentially moved towards direction, side, feeding position 4 centered by described rotary shaft 17 until the other end of described supporting rod 19 turns to contact with described supporting rod block 20 so that next workpiece is carried out auxiliary clamping；
Go to perform a step, until whole processing tasks completes after d has walked.
As shown in Fig. 6 and Fig. 9, wherein in c step, when the clamping to workpiece 1 is unclamped in the peak position 15 that the other end of described supporting rod 19 moves to described surface of the work, under the active force of extension spring 21, the other end of supporting rod 19 moves in a circle towards direction, side, feeding position 4 until it contacts with the retaining groove 23 on movable mold half 6 top centered by rotary shaft 17, so make to add man-hour, do not contact between the other end of supporting rod 19 with workpiece 1 surface, it is ensured that the machining accuracy of workpiece 1.
In sum, till the present invention is by increasing an auxiliary clamping process and assisting clamping process can be continued until that when workpiece moves in horizontal hopper workpiece is sent to when the clamping face with fixed mold contacts during existing piece-holder, ensure that workpiece does not falls out when being pushed out the port of horizontal hopper, thus the difficulty that the translational speed reducing movable mold half is arranged, save manpower and materials, its both can guarantee that workpiece after being pushed out horizontal hopper until workpiece is pushed to not fall out in a period of time on the clamping face of fixed mold, can guarantee that again when workpiece is pushed on the clamping face of fixed mold, will not be deformed destroying, reduce the percent defective of workpiece, decrease production cost, ensure that the machining accuracy of workpiece, avoid the generation of phenomenon of forging a knife, improve the service life of process equipment；The auxiliary clamping mechanism structure set up in the present invention is simple, and cost is low, can realize the automatic replacement between the auxiliary clamping of workpiece and processing clamping two states, can complete the batch production of workpiece, improve production efficiency；On the top of movable mold half and be positioned at the clamping face of movable mold half and be provided with retaining groove, when work pieces process, by the active force of extension spring, the other end of supporting rod can move in retaining groove, the other end making supporting rod does not contacts with workpiece, the workpiece adding man-hour will not be impacted by the other end so making supporting rod, it is ensured that machining accuracy.
Needs special instruction is, it is the top position that auxiliary clamping device is arranged on operating platform in the present embodiment, during auxiliary clamping, auxiliary clamping part be relative be that the sidepiece from surface of the work moves towards the peak position on described surface of the work, herein, auxiliary clamping device can also be arranged on the lower position of operating platform in fact, during auxiliary clamping, auxiliary clamping part be relative be that the sidepiece from surface of the work moves towards the lowest point on described surface of the work.In the present embodiment, workpiece is circular pipe fitting, but the present invention may also apply to the workpiece of other shapes, such as square pipe fitting etc..
Above example is used for illustrative purposes only; rather than limitation of the present invention; person skilled in the relevant technique is without departing from the spirit and scope of the present invention; can also make a variety of changes or convert; the technical scheme of the most all equivalents also should belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.
Claims (10)
- null1. the clamp method for piece-holder，It is to make workpiece enter into feeding position，Then described workpiece is promoted to move towards Working position by movable mold half，Match so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus fix to be processed by piece-holder eventually through described movable mold half and fixed mold，It is characterized in that: after described workpiece enters into feeding position, during securing for piece-holder, increase an auxiliary clamping process to matching eventually through described movable mold half and fixed mold，One auxiliary clamping device with auxiliary clamping part is i.e. set，When described movable mold half promotes workpiece to move towards Working position, described workpiece can contact with auxiliary clamping part，When described workpiece contacts with auxiliary clamping part，And matched with described movable mold half so that described movable mold half and auxiliary retained part are not clamped in described workpiece both sides thus piece-holder is fixed formation auxiliary clamping to workpiece applying chucking power by described auxiliary clamping part，It is further continued for driving described workpiece to move towards Working position by described movable mold half together with auxiliary clamping part，While described movable mold half and fixed mold match and be clamped in described workpiece both sides respectively so that described movable mold half and fixed mold thus piece-holder fixed, described auxiliary clamping part unclamps the clamping to workpiece side，Complete the auxiliary clamping process to this subjob.
- Clamp method the most according to claim 1, it is characterized in that: during described auxiliary clamping, described movable mold half and workpiece are directed towards direction, Working position side in moving horizontally and being relatively fixed motionless between described movable mold half workpiece in contact, described auxiliary clamping part be on described auxiliary clamping device a little centered by circumferentially move towards direction, Working position side and be relative movement between described auxiliary clamping part and workpiece in contact.
- Clamp method the most according to claim 2, it is characterized in that: described auxiliary clamping part is that the sidepiece from surface of the work moves towards the peak position on described surface of the work, when it moves to the peak position of described surface of the work, described auxiliary clamping part unclamps the clamping to workpiece, the most described movable mold half and fixed mold match so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus piece-holder are fixed, and complete the auxiliary clamping process to this subjob.
- 4. according to the clamp method described in claim 1,2 or 3, it is characterised in that: described auxiliary clamping device includes bracing frame, rotary shaft, swing arm, supporting rod, supporting rod block and extension spring；Support frame as described above is fixedly installed on vertical hopper, described rotary shaft is rotatably connected on one end of bracing frame, one end of described supporting rod is connected with described rotary shaft, described supporting rod block is fixedly installed on described vertical hopper and is positioned at the lower position of support frame as described above, one end of described swing arm is fixedly connected on one end of described rotary shaft, one end of described extension spring is connected with the other end of support frame as described above, and the other end of described extension spring is connected with the other end of described swing arm；To one pretension of supporting rod by described extension spring and contacted with supporting rod by described supporting rod block and make described supporting rod remain a state with pretension, the other end of described supporting rod is described auxiliary clamping part, and the other end of described supporting rod is in horizontal hopper and it is blocked in described workpiece along horizontal hopper towards Working position by the anterior position on pushing direction.
- Clamp method the most according to claim 4, it is characterised in that: described clamp method comprises the following steps:A workpiece enters into the feeding position in horizontal hopper in vertical hopper, control horizontal air cylinder or hydraulic cylinder action drives movable mold half to move towards Working position inside horizontal hopper, when movable mold half moves at described workpiece, the clamping face of described movable mold half contacts with the side of described workpiece, after contact, described workpiece is continued to press on by movable mold half and moves towards Working position inside horizontal hopper, time at the other end moving to described supporting rod, the other end of described supporting rod contacts with the other side of workpiece, under the pretension effect of described extension spring, the other end of described supporting rod applies chucking power to workpiece so that the other end of described movable mold half and supporting rod is clamped in described workpiece both sides respectively thus piece-holder is fixed formation auxiliary clamping；B, after auxiliary clamping is formed, continuing through described movable mold half drives described workpiece to move towards Working position together with the other end of supporting rod, described movable mold half and workpiece in move horizontally and between described movable mold half workpiece in contact be relatively fixed motionless, the other end of described supporting rod is circumferentially moved towards direction, Working position side centered by described rotary shaft and the other end of described supporting rod and workpiece in contact are relative movements, the other end of the most described supporting rod is that the sidepiece from surface of the work moves towards the peak position on described surface of the work；C, when the other end of described supporting rod moves to the peak position of described surface of the work, described workpiece is pushed at Working position and the other side of described workpiece is contacted with the clamping face of fixed mold, the most described movable mold half of the clamping to workpiece is i.e. unclamped in the chucking power disappearance that workpiece is applied by the other end of described supporting rod and fixed mold matches so that described movable mold half and fixed mold are clamped in described workpiece both sides respectively thus piece-holder are fixed, and is processed workpiece；After d, work pieces process, control horizontal air cylinder or hydraulic cylinder action drives movable mold half to move towards feeding position inside horizontal hopper, movable mold half and fixed mold are unclamped the clamping to workpiece and are made workpiece drop from discharging opening discharge, in moving process, movable mold half linearly moves until returning to feeding position, and the other end of described supporting rod is circumferentially moved towards direction, side, feeding position centered by described rotary shaft until the other end of described supporting rod turns to contact with described supporting rod block so that next workpiece is carried out auxiliary clamping；Go to perform a step, until whole processing tasks completes after d has walked.
- 6. one kind realizes the clamping device according to the clamp method described in any one claim in claim 1 to 5, including the fixed mold being fixedly installed on operating platform top discharge mouth side, it is slidably arranged in the movable mold half in the horizontal hopper of described operating platform top discharge mouth opposite side, it is fixedly installed on the horizontal air cylinder on described operating platform or hydraulic cylinder, the tailpiece of the piston rod of described horizontal air cylinder or hydraulic cylinder is fixing with described movable mold half to be connected, described movable mold half can move back and forth under the effect of described horizontal air cylinder or hydraulic cylinder along described horizontal hopper, it is characterized in that: described clamping device also includes the auxiliary clamping device with auxiliary clamping part, described auxiliary clamping device includes bracing frame, rotary shaft, swing arm, supporting rod, supporting rod block and extension spring；Support frame as described above is fixedly installed on vertical hopper, described rotary shaft is rotatably connected on one end of bracing frame, one end of described supporting rod is connected with described rotary shaft, described supporting rod block is fixedly installed on described vertical hopper and is positioned at the lower position of support frame as described above, one end of described swing arm is fixedly connected on one end of described rotary shaft, one end of described extension spring is connected with the other end of support frame as described above, and the other end of described extension spring is connected with the other end of described swing arm；To one pretension of supporting rod by described extension spring and contacted with supporting rod by described supporting rod block and make described supporting rod remain a state with pretension, the other end of described supporting rod is described auxiliary clamping part, and the other end of described supporting rod is in described horizontal hopper and it is blocked in described workpiece along horizontal hopper towards Working position by the anterior position on pushing direction by described supporting rod block.
- Clamping device the most according to claim 6, it is characterised in that: on the top of described movable mold half and be positioned at the clamping face of movable mold half and be provided with the retaining groove that the other end with described supporting rod matches.
- Clamping device the most according to claim 6, it is characterized in that: in described rotary shaft, have through hole and the screwed hole through with described through hole, one end of described supporting rod through the through hole in described rotary shaft, is screwed into described screwed hole with fastening screw and the bar portion of described fastening screw is contacted described supporting rod with supporting rod hold out against to be fixed in described rotary shaft.
- Clamping device the most according to claim 6, it is characterised in that: the other end the most described auxiliary clamping part of described supporting rod is set to inclined-plane.
- 10. according to the clamping device described in any one claim in claim 6 to 9, it is characterised in that: on support frame as described above, it is additionally provided with the compressed air cleaning device for blowing processing powder off.
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| CN201410480375.2A CN104259886B (en) | 2014-09-19 | 2014-09-19 | A kind of clamp method for piece-holder and clamping device thereof |
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| CN106771402B (en) * | 2016-12-28 | 2023-08-01 | 国网浙江省电力公司湖州供电公司 | Auxiliary platform for testing lightning arrester leakage instrument |
| CN109249096A (en) * | 2018-11-07 | 2019-01-22 | 苏州裕庆金属制品有限公司 | A kind of steel pipe Self-tapping apparatus |
| CN110103182A (en) * | 2019-05-31 | 2019-08-09 | 宁夏昊昌机械再制造有限公司 | A kind of triple-use valve valve pocket voltage regulation screw provision for disengagement |
| CN111054984B (en) * | 2019-12-26 | 2024-05-28 | 如皋市中正机械有限公司 | Production device for pipe pile die assembly fittings |
| CN115815668B (en) * | 2022-12-19 | 2024-09-13 | 安徽涌诚机械有限公司 | Coarse and fine milling process for rotating frame of precision industrial robot |
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| US3044367A (en) * | 1958-04-14 | 1962-07-17 | Midwest Supply And Mfg Company | Double end tube deburring machine |
| EP0076419A3 (en) * | 1981-10-01 | 1984-09-12 | Emag Maschinenfabrik Gmbh | Method and device for clamping work pieces |
| CN2589131Y (en) * | 2002-12-20 | 2003-12-03 | 山东豪迈机械科技有限公司 | Pipe hole milling machine |
| CN102601614A (en) * | 2011-01-21 | 2012-07-25 | 浙江顺信机械有限公司 | Full-automatic chamfering machine |
| CN202910674U (en) * | 2012-11-27 | 2013-05-01 | 王连福 | Chamfering machine |
| CN104002148A (en) * | 2013-02-26 | 2014-08-27 | 盐城纺织职业技术学院 | Rapid pipe fitting clamping-blanking mechanism |
| CN204053544U (en) * | 2014-09-19 | 2014-12-31 | 株洲凯丰实业有限公司 | A kind of clamping device for piece-holder |
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Address after: 412007 Tianyi Avenue 959, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Kaifeng Industrial Co.,Ltd. Address before: 412007 A3 Building of SME Promotion Park in Tianyuan District, Zhuzhou City, Hunan Province Patentee before: Zhuzhou Kaifeng Industrial Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |