CN101817054B

CN101817054B - Cavity die rotating upsetter and operating method thereof

Info

Publication number: CN101817054B
Application number: CN201010124747XA
Authority: CN
Inventors: 杨东佐
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-12
Filing date: 2010-03-12
Publication date: 2012-03-07
Anticipated expiration: 2030-03-12
Also published as: CN101817054A; WO2011109974A1

Abstract

The invention relates to a cavity die rotating upsetter and an operating method thereof. The upsetter comprises a rotatable cavity die holder, cavity dies uniformly distributed in the cavity die holder, a guide post fixed with the cavity die holder, a sliding chute arranged in the guide post, a friction slider installed in the sliding chute, a thimble spacing stopper fixed on the upsetter body and a thimble spacing stopper adjusting mechanism; a workpiece ejector mechanism is arranged only in a position from which a workpiece is ejected out of the cavity die, and the workpiece ejector mechanism comprises a ejector rod which can eject a thimble; and a position, which is corresponding to the ejector rod, on the thimble spacing stopper is provided with a clearance hole. The operating method comprises the following steps: in the rotating process of the cavity die holder, the thimble and the cavity die holder rotate synchronously, the thimble keeps stationary relative to the cavity die holder, and the thimble stopper does not move. The invention has the advantages that the workpiece ejector mechanism only needs to be arranged in the discharging position, and particularly, the thimble does not need to be separated from the cavity die holder in the rotating process of the cavity die holder, thereby facilitating the high-speed upsetting and improving the operating efficiency.

Description

A kind of cavity die rotating upsetter and method of work

Technical field

The present invention relates to a kind of cavity die rotating upsetter and method of work, particularly relate to a kind of cavity die rotating upsetter and method of work that is used for standard components such as high-speed molding securing member.

Background technology

Existing upsetter, the general and fuselage of die is fixed, the transposition of inter process be by drift move back and forth or feeding clip mechanism such as clamp is clamped to another die with blank from a die and realizes.This upsetter, complex structure is difficult for realizing the high speed upsetting especially.In order to solve the problem of high speed upsetting; The patent No. is in the patent of invention of ZL87105260.1; A kind of multistation die-revolving high-speed upsetter is disclosed; This invention provides the die more than at least three on the revolution die socket, will adorn and the same number of punch die corresponding with the die of die socket on the slide block; The guiding mechanism of regulating product length is made up of regulating sleeve, ring washer and adjusting nut, is used for unifying to regulate the length of product; Should invent application space cam mechanism on cold headers simultaneously, and drive cavity die rotating and pretend the intermittent-rotation motion, to realize the transposition between the cold headers multiple operation.The cavity die rotating upsetter of this disclosure of the Invention; Comprise the cold nail hitting head machinery of the two drifts HC that its disclosed in the prior art West Germany west Glan company produces; Its die all need separate die socket prior to die socket with the material pushing needle in the die socket and could turn round when die socket turns round, die socket is turned back to desired location and stops back material pushing needle entering die socket under the effect of material jacking mechanism again.This upsetter, in the time of realizing the high speed upsetting, because material pushing needle needs to separate with die socket when die socket rotates, one side need provide a material pushing needle resetting-mechanism that material pushing needle is separated with die socket, makes the complex structure of upsetter; The length of material pushing needle is long on the other hand, constantly pass in and out die socket, and material pushing needle is damaged easily, is easy to damage as between material pushing needle and die socket, adopting stage clip resetting means, stage clip, shortens the service life of upsetter, and it is complicated especially that other resetting structure can become; When particularly needing the high speed upsetting, material pushing needle will get into die socket repeatedly, separates with die socket, and this relative upsetting cycle need take the long time, therefore reduces upsetting efficient greatly.The patent No. is the patent of invention of ZL87105260.1; The resetting-mechanism of material pushing needle does not see that from its disclosed literal and Tu Lai it can't realize the action that material pushing needle is separated with die socket; Can be blocked by material pushing needle during the die socket rotation; Therefore can't realize the rotation of die socket, the technical scheme of this patent can't realize, can prove that thus this technical scheme is not obtain actual enforcement.Its rotation of mentioning the cavity die rotating device of the cold nail hitting head machinery of the two drifts HC that West Germany west Glan company produces is to rely on gear and tooth bar realization; When the gears engaged of tooth bar and cavity die rotating device is; The driving rotational device rotates; When being out of gear of tooth bar and cavity die rotating device, the cavity die rotating device just stops operating, and is limited in the fixing angle cavity die rotating device motionless by the alignment pin in the detent mechanism again simultaneously.It points out that " under high-speed case, the engagement repeatedly of rack and pinion and the insertion repeatedly of alignment pin and pin-and-hole are withdrawed from generation bump, vibrations and noise; Again because the wearing and tearing of these two kinematic pairs; Reduce the precision and the service life of machine " shortcoming; through the applicant's the proof of repeatedly practising; the inserting repeatedly of the engagement repeatedly of rack and pinion and alignment pin and pin-and-hole withdrawed from and hit bump, vibrations and the noise of product generation with producing bump, vibrations and the noise stamping that will liquidate, and can ignore; The wearing and tearing of two kinematic pairs are to the precision of machine with also there is not what influence service life.

Summary of the invention

First purpose of the present invention is to provide a kind of and realizes the high speed upsetting, thimble does not need to separate but the cavity die rotating upsetter that rotates with die with die when die socket rotates.

Second purpose of the present invention be to provide a kind of when die socket rotates thimble do not need to separate but rotate, can realize the method for work of the cavity die rotating upsetter of high speed upsetting with die with die.

A kind of cavity die rotating upsetter comprises big slide block, is fixed on the die assembly on the big slide block, the big slide block driving mechanism that big slide block is moved back and forth; The die assembly; Cut feed collet material mechanism, the workpiece ejecting mechanism makes die turn to the die indexing means of desired location; The die positioner that die is stopped at desired location, material jacking mechanism; The die assembly only comprises the die socket of support rotation relatively, circumferentially is evenly distributed on the die more than two or two in the die socket along die; Be provided with and the fixing lead of die socket in the side of die socket away from die assembly, the position of corresponding each thimble is provided with chute on lead; Material jacking mechanism comprises that an end is installed in the die and die thimble one to one, is installed in the friction slip in the chute, with the fixing spacing abutment of thimble of body; Also be provided with the spacing abutment guiding mechanism of thimble of the distance between adjustment spacing abutment of thimble and the die socket; Only be provided with the workpiece ejecting mechanism, but the workpiece ejecting mechanism comprises the knock-pin of top thimble in the die position that workpiece is ejected; The position of corresponding knock-pin is provided with emptiness avoiding hole on the spacing abutment of thimble, and knock-pin is towards the external diameter of the emptiness avoiding hole one end aperture less than emptiness avoiding hole, and friction slip is greater than the aperture of emptiness avoiding hole; Thimble contacts by friction slip with friction slip away from an end of die socket and keeps out; Friction slip contacts with the spacing abutment of thimble and is kept out by the spacing abutment of thimble away from an end of thimble.Because spacing abutment of thimble and body are fixed; Knock-pin is towards the external diameter of the emptiness avoiding hole one end aperture less than emptiness avoiding hole; The face that friction slip contacts with the spacing abutment of thimble is greater than the aperture of emptiness avoiding hole; In the process of die socket rotation, the relative die socket of thimble and friction slip is static to be rotated with die socket, and spacing abutment of thimble and body fixed static are motionless.When upsetting; The spacing abutment of thimble is kept out spacing to friction slip, friction slip is kept out spacing to thimble, does not need the thimble in corresponding each die all need design the workpiece ejecting mechanism that moves back and forth; Only need the workpiece ejecting mechanism to be set in the discharging position; Make upsetter simple in structure, debugging is easily simple, and cost is low; Particularly in the die socket rotary course, thimble need not separate with die socket, shortens the movement travel of the thimble of knowing clearly greatly, has guaranteed that thimble ejects the smooth and easy of blank, has improved the operating efficiency and the service life of thimble, is easier to realize quick upsetting.Owing to increased the friction slip structure, in rotary course, the spacing abutment of the relative thimble of friction slip has relative fricting movement; Thimble does not have relative motion to friction slip; The frictional force that its contact-making surface produced when therefore the spacing abutment of the relative thimble of die socket rotatablely moved acts on the slide block, and does not act on the thimble, so thimble is not allowed easily broken; The assurance die socket can be realized rotation at a high speed, the service life of having improved thimble.The spacing abutment guiding mechanism of thimble is adjusted the position of thimble in die through the distance between adjustment spacing abutment of thimble and the die socket; When the workpiece of the upsetting different length that the section diameter of moulding is identical in die; Need not change thimble and die; Once adjustment just mixes up the thimble position in all dies; Overcome shortcomings such as the present adjustment respectively of each station of multistation upsetter, complex structure, debugging bother, take time and effort, improved operating efficiency, reduced equipment cost.

As first kind of improvement; The spacing abutment guiding mechanism of thimble comprises and the fixing adjustment post of the spacing abutment of thimble; Pass first adjustment part and second adjustment part, first bolt and two first adjustment nuts of adjustment post, be installed on first bolt and place first adjustment part and second adjustment part between stage clip; First adjustment part and body near die socket are fixed; The adjustment post and the first adjustment part matched in clearance; Second adjustment part away from die socket is fixed with the adjustment post; One end of first bolt is fixed on first adjustment part, the other end of first bolt pass second adjustment part and with the second adjustment part matched in clearance, the adjustment nut is installed on first bolt and places the side of second adjustment part away from first adjustment part.This adjustment structural adjustment thimble is very convenient during with respect to the position of die socket, only needs two adjustment of adjustment nuts just can adjust the position of whole thimbles, needs adjustment respectively to compare with the thimble of each station of present multistation upsetter, and adjustment is very convenient.

As second kind of improvement, the spacing abutment guiding mechanism of thimble only comprise rotatable can not axially movable second bolt, stop collar; On body, be provided with the pilot hole of the spacing abutment of thimble, between pilot hole and the spacing abutment of thimble, be provided with the rotation preventive mechanism that prevents that the relative body of the spacing abutment of thimble from rotating, matched in clearance between spacing abutment of thimble and pilot hole; Second bolt is the rotation bare terminal end away from an end of die socket, is provided with positive stop lug boss at second bolt near the rotation bare terminal end, and second bolt is the end of thread near an end of die socket; Stop collar and body are fixed, and in stop collar, are provided with the shoulder hole that cooperates with second bolt and positive stop lug boss, and the macropore of shoulder hole is towards die socket one side; The end of thread of second bolt passes the spacing abutment of thimble, the spacing abutment threaded engagement of second bolt and thimble.This adjustment architecture is simple, and is convenient during the position of adjustment thimble relative die socket.

As the third improvement, the die positioner comprises the first goods of furniture for display rather than for use driving shaft, the driving mechanism of the first goods of furniture for display rather than for use driving shaft; Be fixed on first goods of furniture for display rather than for use on the first goods of furniture for display rather than for use driving shaft; With the second fixing goods of furniture for display rather than for use axle of body, only be articulated in second goods of furniture for display rather than for use on the second goods of furniture for display rather than for use axle rotationally, backstay; With the fixing backstay guide pin bushing of body, second back-moving spring; Backstay comprises two small ends; Small end towards die socket stretches in the die socket; Pass guide pin bushing and on this small end, be provided with the installing hole of second goods of furniture for display rather than for use away from the small end of die socket; Second back-moving spring is installed between guide pin bushing and backstay, and an end of second goods of furniture for display rather than for use stretches in the installing hole of guide pin bushing, the other end of second goods of furniture for display rather than for use can with the first goods of furniture for display rather than for use butt.When the driving force that die socket need stop and not adding, backstay stretches in the die socket under the effect of second back-moving spring, can overcome effect of inertia and make die socket can rest on desired location accurately and reliably.When die socket need rotate, backstay separated with die socket under the effect of the driving force of driving mechanism.

As the common improvement of scheme one to scheme four, the die indexing means comprises first driving cog that is arranged on the die socket border, is provided with the disk of second driving cog that meshes with first driving cog, the disk driving mechanism of driver plate rotation; The shared disk girth of second driving cog is disk girth and die number ratio.Be employed in the die indexing means that operative gear is set on the disk, simple in structure leaning on.

As further improvement; Outside die socket, be provided with the die holder; Be provided with spacing first end cap and second end cap in die case of die socket at the two ends of die socket; First end cap is near die assembly, and first end cap is fixed on the die holder, and second end cap is fixed on the die socket and is limited in the die holder; Be provided with the empty avoiding through hole of empty avoiding disk in the position of the corresponding disk of die holder.First end cap and second end cap are only spacing rotationally in the die holder with die socket simple and reliablely.

As the common improvement of scheme one to scheme four, cut feed collet material mechanism, comprise and cut the material bar; The reciprocating material bar driving mechanism of cutting of material bar is cut in driving; Be fixed on and cut cutting the material cutter and cutting the feeding clip mechanism that the material cutter cooperates the clamping blank on the material bar, feeding clip mechanism comprises clip feed blade; Cut the holding part that material cutter and clip feed blade complement each other to form the clamping blank, make clip feed blade expect that cutter opens, puts blank and opens mechanism at the clip feed blade of desired location with cutting; Also be provided with make clip feed blade cut relatively the material cutter reset closed form the holding part of clamping blank, the spacing resetting-mechanism of the feeding clip mechanism of restriction clip feed blade motion in the process that blank is cut off; At feed entrance point, the holding part of clamping blank is along the diameter of the width of cutting the material cutter direction of motion greater than blank; Put cutting material level, clip feed blade is cut the material cutter relatively and is kept fixing, and the holding part of clamping blank does not change.Cutting material level is changed to from cutting material cutter and clip feed blade and acts on blank and make the blank generation be deformed to blank to be cut off residing position, residing position in the process that promptly blank is cut off.In the process that blank is cut off, clip feed blade is cut the material cutter relatively and is kept fixing fully, and promptly the holding part of clamping blank does not change; Like this in the process that blank is cut off; Can deflection with rock, therefore make the bottom of the blank of being cut off smooth, be equal to the effect that wholecircle is cut.Because smooth by the blank cut off bottom, when being sent to subsequent processing upsetting moulding, make the dynamic balance that acts on the blank, during moulding blank can deflection with rock, the good and precision height of the Forming Quality of workpiece, defect rate is low; To the big workpiece of need distortion, be difficult for causing blank to be filled in mold cavity sometimes here, be filled in mold cavity sometimes again over there, more help reduction in the numbers of seconds; And the workpiece tail end face that upsetting is come out is smooth.Because in the process that blank is cut off, clip feed blade with cut the material cutter and can realize clamping fully blank, what therefore be fit to long blank cuts the feed collet material.

A kind of method of work of cavity die rotating upsetter, method of work comprises: in the process of die socket rotation, thimble and die socket rotate synchronously, and thimble keeps static with respect to die socket, and the thimble abutment is not moved.

As improvement, also be provided with the spacing abutment guiding mechanism of thimble of the distance between adjustment spacing abutment of thimble and the die socket; Be provided with and the fixing lead of die socket in the side of die socket away from die assembly; The position of corresponding each thimble is provided with chute on lead; Friction slip is installed in chute, and thimble contacts with friction slip away from an end of die socket and is kept out spacing by it; Spacing abutment of thimble and body are fixed, and the face that friction slip contacts with the spacing abutment of thimble is greater than the aperture of emptiness avoiding hole, and friction slip contacts with the spacing abutment of thimble and kept out by the spacing abutment of thimble away from an end of thimble;

Method of work comprises: in the process of die socket rotation; Thimble and friction slip and die socket rotate synchronously; The spacing abutment of thimble is not moved; The relative die socket of thimble, friction slip keeps static, and friction slip contacts the generation force of sliding friction with the spacing abutment of thimble, fricton-tight frictional force between thimble and friction slip, between thimble and the spacing abutment of thimble.

As further improvement, the number of die manys two than the number of punch die, comprises die and shaping position and the punch die die one to one of die, the discharging position of feed entrance point; Be provided with the blank propulsive mechanism in the die that blank is advanced feed entrance point at the corresponding feed entrance point of punch die one side, on the big slide block of punch die one side, be provided with empty avoiding and cut the empty avoiding space of feed collet material mechanism, blank propulsive mechanism, corresponding discharging position and be provided with the discharging clearance position of workpiece when ejecting; Only be provided with the workpiece ejecting mechanism in the discharging position;

Method of work comprises:

Die is rotated to the die of shaping position, the die of discharging position by the die of feed entrance point; After rotating to the die of its adjacent position; After promptly rotating the angle of 360 °/die number, stop operating at desired location at die positioner and the recessed die holder of die indexing means acting in conjunction; In the process of die socket rotation, realize in the die workpiece from last operation backward the transmission of an operation and the die of discharging position move to feed entrance point,, the die of feed entrance point moves to shaping position; Die socket stops; The blank propulsive mechanism will be cut feed collet material mechanisms grip in the die of the blank propelling feed entrance point of feed entrance point; Workpiece in the corresponding die carries out the upsetting moulding to punch die to die direction motion and to it, and the workpiece ejecting mechanism will eject that in type workpiece ejects in the die of position; After blank propulsive mechanism, punch die and ejecting mechanism are accomplished corresponding actions and are resetted, rotate the angle of 360 °/die number again at the acting in conjunction lower cavity die of die detent mechanism and die indexing means, so circulate.

The invention has the beneficial effects as follows because spacing abutment of thimble and die socket or body are fixed; Thimble always rotates with die socket in the process of die socket rotation; Therefore only need in the discharging position workpiece ejecting mechanism to be set, particularly in the die socket rotary course, thimble need not separate with die socket; Be easier to realize quick upsetting, increase work efficiency.

Description of drawings

Fig. 1 is the schematic perspective view that the cavity die rotating upsetter of the embodiment of the invention 1 removes body, flywheel etc.

Fig. 2 is the schematic perspective view of Fig. 1 from another direction projection.

Fig. 3 is the schematic perspective view that part-structure only is shown of the embodiment of the invention 1.

Fig. 4 is the perspective exploded view that part-structure only is shown of the embodiment of the invention 1.

Fig. 5 is the perspective exploded view of cutting feed collet material mechanism of the embodiment of the invention 1.

Fig. 6 is the schematic perspective view that part-structure only is shown of the embodiment of the invention 2.

The specific embodiment

Embodiment 1

To shown in Figure 4, a kind of cavity die rotating upsetter comprises die assembly like Fig. 1; The die assembly driving mechanism that the relative die assembly of die assembly is moved back and forth, the die assembly is cut feed collet material mechanism; Only be arranged on the workpiece ejecting mechanism of discharging position; Make the die indexing means of die rotation set angle, the die positioner that die is stopped at desired location, material jacking mechanism.

The die assembly driving mechanism comprises bent axle 1, is installed in the connecting rod 2 on the bent axle 1, the big slide block 3 that articulates rotationally with connecting rod 2.Die assembly comprises the die shoe 4 that is fixed on the big slide block 3, and three punch dies that evenly are fixed on the die shoe 4 are punch die 5, punch die 72, punch die 73.

The die assembly comprises the die holder 6 that is fixed on the body; Be installed in the die case 7 that die holder interior 6 and die holder 6 are fixed; Be installed in rotation on the die socket 8 in the die case 7; Be fixed on five dies in the die socket 8 along circumferentially evenly distributing of die socket, the angle of the central axis line of the central axis of adjacent die and die socket is 72 °.With die socket 8 spacing first end cap 10 and second end caps 11 in die case 7.Die holder 6 away from a side of punch die also be provided with fixing base 12, the first end caps 10 of body near punch die, first end cap 10 is fixed on the die holder 6, second end cap 11 is fixed on the die socket 8 and is spacing in die holder 6 by base 12.

The number of die manys two than the number of punch die, comprise the corresponding die 9 of die 76 and shaping position and the punch die 5 of a die 77, discharging position of feed entrance point, with corresponding three dies 74 of punch die 72, three dies 75 corresponding with punch die 73; Die 77 at the corresponding feed entrance point of punch die one side is provided with the blank propulsive mechanism in the die that blank is advanced feed entrance point, on the big slide block 3 of punch die one side, is provided with empty avoiding and cuts the empty avoiding space of feed collet material mechanism, blank propulsive mechanism, corresponding discharging position and be provided with the discharging clearance position of workpiece when ejecting.Empty avoiding space and discharging clearance position comprise the avoiding hollow groove 44 that is arranged on corresponding discharging position and feed entrance point on the slide block 3.The blank propulsive mechanism comprises the pusher cam 52 that is fixed on the bent axle 1; One end can with the roller 54 of pusher cam 52 butts, pusher goods of furniture for display rather than for use 53 is fixed on the gear shaft 55 on the pusher goods of furniture for display rather than for use 53; Be fixed on the pusher cylindrical gear 56 on the gear shaft 55; Charging ram 57, pusher goods of furniture for display rather than for use back-moving spring 58 is provided with the driving cog 59 with 56 engagements of pusher cylindrical gear on charging ram 57.Pusher goods of furniture for display rather than for use back-moving spring 58 1 ends are connected on the pusher goods of furniture for display rather than for use 53, and an end is connected on the body.Roller 54 is installed in the end of pusher goods of furniture for display rather than for use 53, and gear shaft 55 is fixed on the other end of pusher goods of furniture for display rather than for use 53.

The die positioner comprises the driving mechanism of the first goods of furniture for display rather than for use driving shaft, 13, the first goods of furniture for display rather than for use driving shafts 13, is fixed on first goods of furniture for display rather than for use 14 on the first goods of furniture for display rather than for use driving shaft 13; Be fixed on the fixed block 15 on first goods of furniture for display rather than for use 14, the push rod 16 on the holder fixed block 15 is with the second fixing goods of furniture for display rather than for use axle (not shown) of body; Only be articulated in second goods of furniture for display rather than for use 17 on the second goods of furniture for display rather than for use axle rotationally; Backstay 18 is with fixing backstay guide pin bushing 19, the second back-moving springs 20 of body; Backstay 18 comprises two small ends; Small end towards die socket 8 stretches in the die socket 8; The installing hole 21 that passes guide pin bushing 19 and on this small end, be provided with away from the small end of die socket 8; Second back-moving spring 20 is installed in 18 of guide pin bushing and backstays, and an end of second goods of furniture for display rather than for use 17 stretches in the installing hole 21 of backstay 18, the other end of second goods of furniture for display rather than for use 17 can with push rod 16 butts.The driving mechanism of the first goods of furniture for display rather than for use driving shaft 13 comprises first travelling gear 22 that is fixed on the bent axle 1; Second travelling gear 23 with 22 engagements of first travelling gear is fixed on first power transmission shaft 24 (two) on second travelling gear 23, is fixed on first bevel gear 25 on first power transmission shaft 24; Second bevel gear 26 with 25 engagements of first bevel gear; Be fixed on second power transmission shaft 27 on second bevel gear 26, be fixed on the third hand tap gear 28 on second power transmission shaft 27, with the 4th bevel gear 29 of third hand tap gear 28 engagements; Be fixed on the 3rd power transmission shaft 30 on the 4th bevel gear 29, be fixed on first cam 31 on the 3rd power transmission shaft 30.Side at first goods of furniture for display rather than for use 14 is equipped with first roller, 32, the first cams 31 and first roller, 32 butts.

The workpiece ejecting mechanism comprises second cam 33 that is fixed on the 3rd power transmission shaft 30; Be fixed on the 3rd goods of furniture for display rather than for use 34 on the first goods of furniture for display rather than for use driving shaft 13, be installed in second roller 35 on the 3rd goods of furniture for display rather than for use 34, be fixed on the push rod 35 on the 3rd goods of furniture for display rather than for use 34; Can with the push rod 36 of push rod 35 butts; With body stationary sleeve 37, can with the knock-pin 38 of push rod 36 butts, the thimble 39 of knock-pin 38 butt discharging positions.One end of push rod 36 and knock-pin 38 stretches into respectively in the sleeve 37.On the 3rd push rod 36, be with back-moving spring, back-moving spring 60 places 36 of sleeve 37 and push rods.

Extend away from a side of die at second end cap 11 and to be provided with lead 41, the position of corresponding each thimble 39 is provided with chute 42 on lead 41.

Material jacking mechanism comprises that an end is installed in the die and die thimble 39 one to one; Be installed in the friction slip 43 in the chute 42, friction slip 43 carried out the spacing abutment guiding mechanism of thimble of the distance between the spacing abutment of spacing thimble of keeping out 40, the adjustment spacing abutment 40 of thimble and the die socket 8; Thimble 39 contacts with friction slip 43 away from an end of die socket 8 is kept out spacing by friction slip 43; Friction slip 43 contacts by the spacing abutment 40 of thimble with the spacing abutment 40 of thimble away from an end of thimble 39 and keeps out.The spacing abutment 40 of thimble is installed in the base 12 and with base 12 and fixes.The position of corresponding knock-pin 38 is provided with emptiness avoiding hole 61 on the spacing abutment 40 of thimble, and knock-pin 38 is towards the external diameter of the emptiness avoiding hole 61 1 ends aperture less than emptiness avoiding hole 61, and friction slip 43 is greater than the aperture of emptiness avoiding hole 61.

The die indexing means comprises first driving cog 49 that is arranged on die socket 8 borders, is provided with the disk 51 of second driving cog 50 that meshes with first driving cog 49, the disk driving mechanism of driver plate 51 rotations; Second driving cog, 50 shared disk 51 girths are 1/5 disk girth; Be provided with the empty avoiding through hole (not shown) of empty avoiding disk in the position of die case 7 and die holder 6 corresponding disks.The disk driving mechanism comprises the 5th bevel gear 62 that is fixed on second power transmission shaft 27; The 6th bevel gear 63 with the engagement of the 5th bevel gear 62 is fixed on the 4th power transmission shaft 64 on the 6th bevel gear 63, with the 7th fixing bevel gear 65 of the 4th power transmission shaft 64; The 8th bevel gear 66 with 65 engagements of the 7th bevel gear; Be fixed on the 5th power transmission shaft 67 on the 8th bevel gear 66, be fixed on the 9th bevel gear 68 on the 5th power transmission shaft 67, with the tenth bevel gear 69 of the 9th bevel gear 68 engagements; Be fixed on the 6th power transmission shaft 70 that the tenth awl tooth 69 is taken turns, disk 51 is fixed on the 6th power transmission shaft 70.

The spacing abutment guiding mechanism of thimble comprises the adjustment post of fixing with the spacing abutment 40 of thimble 38; First adjustment part 45 that passes adjustment post 38 and second adjustment part 46, first bolt 71 and two first adjust nuts 48, are installed on first bolt 71 and place first adjustment part 45 and the stage clip 47 of 46 of second adjustment parts; First adjustment part 45 near die socket is fixed with body; Adjustment post 38 and first adjustment part, 45 matched in clearance; Second adjustment part 46 away from die socket is fixing with adjustment post 38; One end of first bolt 71 is fixed on first adjustment part 45, the other end of first bolt 71 pass second adjustment part 46 and with second adjustment part, 46 matched in clearance, adjustment nut 48 is installed on first bolt 71 and places the side of second adjustment part 46 away from first adjustment part 45.When the length of workpiece changes, move to the motion of die direction or away from the die direction through rotating the first adjustment nut, 48, the second abutment 46.Second abutment 46 is to the motion of die direction, and the spacing abutment 40 of thimble shortens with the distance of die socket 8, and the distance that thimble 39 is inserted in the die is elongated, and the length of workpiece shortens; Second abutment 46 is to moving away from the die direction, and the spacing abutment 40 of thimble is elongated with the distance of die socket 8, and the distances that thimble 39 is inserted in die and the die socket 8 shorten, and the length of workpiece is elongated.

As shown in Figure 5; Cut feed collet material mechanism; Comprise and cut material seat 137, can be installed in to cut through pressing plate 138 with slidably reciprocating and cutting material bar 139 in the material seat 137, drive and cut material bar 139 reciprocating material bar 139 driving mechanisms of cutting; Be fixed on and cut material and cutting material cutter 140 on the bar 139; With cut the clip feed blade 141 that material cutter 140 cooperates the feeding clip mechanism of clamping blanks, make clip feed blade 141 and cut material cutter 140 and open, put blank and open mechanism at the clip feed blade of desired location, make clip feed blade cut relatively material cutter 140 reset closedly form the holding part of clamping blank, the spacing resetting-mechanism of the restriction clip feed blade moves in the process that blank is cut off clip feed blade; Feeding clip mechanism comprises clip feed blade 141, cuts the holding part that material cutter 140 and clip feed blade 141 complement each other to form the clamping blank, and at feed entrance point, the holding part of clamping blank is along the diameter of the width of cutting material cutter 140 directions of motion greater than blank; Put cutting material level, clip feed blade 141 is cut material cutter 140 relatively and is kept fixing, and the holding part of clamping blank does not change.

As shown in Figure 5; Material folding plate mechanism comprises and cuts the material folding plate Connection Block 78 that material bar 139 is fixed; With the material folding plate 80 of material folding plate Connection Block 78 through cylindrical pivot 79 pivot joints; With the fixing material folding plate guide holder 81 of body, the elasticity reset device that pivot 79 is resetted near clip feed blade 141 1 sides towards material folding plate pivoted hole 82.In material folding plate guide holder 81, be provided with the chute 83 of parallel shears material direction, material folding plate 80 can slidably reciprocate and be installed in rotationally in the chute 83 up and down.The pivoted hole 82 that cooperates with pivot 79 on the material folding plate 80 comprises two semi-circular portion and the straight line portion that is connected two semi-circular portion of end; Be provided with protruding axle 84 in the both sides of material folding plate 80; The two ends of pivot 79 are installed on the material folding plate Connection Block 78 and stretch out material folding plate Connection Block 78, and elasticity reset device is to be connected the protruding axle 84 of material folding plate 80 both sides and the extension spring 85,86 of pivot 79 chien shih material folding plates 80 horizontal resets.

As shown in Figure 5, on a side of material folding plate 80, be provided with holddown groove 87, holddown groove 87 is fixed with clip feed blade holder 88 away from material folding plate Connection Block 78 in holddown groove 87, and clip feed blade 141 is fixed on the clip feed blade holder 88, and is vertical with material folding plate 80.

As shown in Figure 5, the spacing resetting-mechanism of clip feed blade 141 comprise to press down material folding plate 80 with make material folding plate 80 reset downwards ground elastic reset hold down gag be installed in the adjustment part on the material folding plate guide holder 81.The elastic reset hold down gag comprises the spring base 89 on the geometrical clamp flitch guide holder 81, and the material folding plate that is installed in butt material folding plate 80 in the spring base 89 compresses little axle 90, and butt material folding plate compresses the stage clip 91 of little axle 90; Be installed in the adjustment screw 92 that compresses stage clip 91 on the spring base 89, the locking nut 93 on the suit adjustment screw 92.Adjustment part is the Z type, comprises horizontal ends 94, horizontal ends 95 and is connected the broken line part (not shown) of two horizontal ends, and the horizontal ends 94 of adjustment part is installed on the material folding plate guide holder 81, but horizontal ends 95 butt clip feed blades 141.At feed entrance point, adjustment part is towards the horizontal ends 95 butt clip feed blades 141 of clip feed blade 141, and clip feed blade 141 does not contact with cutting material cutter 140, and the holding part of clamping blank is along the diameter of the width of cutting material cutter 140 directions of motion greater than blank; Put cutting material level, the holding part of clamping blank equals the diameter of blank along the width of cutting material cutter 140 directions of motion.

As shown in Figure 5, make clip feed blade and cut material cutter 140 and open, put blank and open the head part 136 of mechanism for fixing with big slide block 3 at the clip feed blade of desired location.

As shown in Figure 5, the holding part of clamping blank comprises being located at cuts the U type storage tank 96 of material on the cutter 140, and the holding part of clamping blank is the formed accommodation space of planar section that is arranged on the U type storage tank 96 cut on the material cutter 140 and clip feed blade 141; U type storage tank 96 comprise the semicircle arc groove that cooperates with blank diameter and with the tangent straight line portion of semicircle arc groove, U type groove is along the diameter of the width of cutting material cutter 140 directions of motion less than blank.

As shown in Figure 5; Cut material bar 139 driving mechanisms and be fixed on the 11 bevel gear 97 on first power transmission shaft 24, the 12 bevel gear 98 with 97 engagements of the 11 bevel gear is fixed on the 7th power transmission shaft 99 on the 12 bevel gear 98; Be fixed on the cam 130 on the 7th power transmission shaft 99; Be articulated in rotationally with the fixing holder 131 of body on goods of furniture for display rather than for use 132, be installed on goods of furniture for display rather than for use 132 1 ends can with the roller 133 of goods of furniture for display rather than for use 132 apical graftings, be installed in the push rod 134 of goods of furniture for display rather than for use 132 other ends; Be installed in material folding plate Connection Block 78 and cut the stage clip 135 between the material seat 137, push rod 134 can with material folding plate Connection Block 78 apical graftings.

As shown in Figure 5, the method for work of cutting the feed collet material of cutting feed collet material mechanism of upsetter comprises:

At feed entrance point; Clip feed blade 141 is withstood by adjustment part; Pivot 79 moves to the side away from clip feed blade 141 with respect to pivoted hole 82, and clip feed blade 141 leaves the distance of setting with cutting material cutter 140, and the holding part of clamping blank is along the diameter of the width of cutting material cutter 140 directions of motion greater than blank; Blank enters in the holding part of clamping blank, when blank gets into and between the holding part of clamping blank certain clearance is arranged.

Under the effect of cutting material bar 139 driving mechanisms; Cutting feed collet material mechanism moves to from feed entrance point to the first die locality and cuts material level and put; Clip feed blade 141 separates with adjustment part; Pivot 79 moves to the side near clip feed blade 141 with respect to pivoted hole 82, and clip feed blade 141 moves relative to cutting material cutter 140, and the distance that moves equates relative to the distance that pivoted hole 82 moves with pivot 79; The holding part of clamping blank is along cutting the diameter that the width of expecting cutter 140 directions of motion equals blank, and blank is expected that with cutting cutter 140 clamps fully by clip feed blade 141.

Put cutting material level, under the effect of cutting material bar 139 driving mechanisms, cut feed collet material mechanism and continue to the motion of the first die locality, blank is cut off; Put cutting material level; The elastic reset hold down gag is downward pressing clip flitch 80 in the process that blank is cut off; And its elastic force acts on the decomposing force that clip feed blade 141 makes progress greater than blank in the process of being cut off at blank; Material folding plate 80 is cut material cutter 140 does not relatively have motion, and the clip feed blade 141 that is fixed on the material folding plate 80 is cut the 140 nothing motions of material cutter relatively, and the holding part of clamping blank does not change.

Under the effect of cutting material bar 139 driving mechanisms, to cut blank that feed collet material mechanisms grip cut off and put and move to the first die position and stop from cutting material level, punch die moves to the die direction; Head part 136 top material folding plates 80; Head part 136 can overcome the elastic force of elastic reset hold down gag, and material folding plate 80 relative drive-connecting shafts are rotated, and material folding plate 80 drives clip feed blade fixed thereon 141 relative drive-connecting shafts and rotates; Make clip feed blade 141 cut material cutter 140 relatively and open, workpiece is poured in first die by punch die;

Workpiece is poured by punch die and cuts feed collet material mechanism in first die toward the feed entrance point motion; Or punch die back moves after the moulding first time of completion workpiece; Head part 136 separates with material folding plate 80; Material folding plate 80 moves downward fast under the elastic force effect of the gravity of material folding plate 80, clip feed blade 141 and elastic reset hold down gag and resets, clip feed blade 141 with cut the holding part that material cutter 140 forms the clamping blanks; Leave material folding plate 80 from head part 136 clip feed blade 141 is cut after material cutter 140 closures to cutting feed collet material mechanism kinematic to the process of feed entrance point relatively, the holding part of clamping blank is along the diameter of the width of cutting material cutter 140 directions of motion less than blank;

After punch die is returned to desired location, under the effect of cutting material bar 139 driving mechanisms, cuts feed collet material mechanism and move to feed entrance point from the first die position; So circulation.

Before blank is cut off with all keeping afterwards always and cutting material cutter 140 directions of motion relation of meeting at right angles.

The method of work of upsetter comprises: die is rotated to the die of shaping position, the die of discharging position by the die of feed entrance point; After rotating to the die of its adjacent position; After promptly rotating 72 °; First driving cog 49 that second driving cog 50 on the disk 51 breaks away from the die socket 8, backstay 18 gets in the die socket 8 under the effect of spring 20, and die socket 8 stops operating; In the process of die socket 8 rotation, realize in the die workpiece from last operation backward the transmission of an operation and the die of discharging position move to feed entrance point, the die of feed entrance point moves to shaping position; Die socket 8 stops; Charging ram 57 will be put in the die of the blank propelling feed entrance point that is clamped to feed entrance point from cutting material level by cutting material cutter and clip feed blade; Workpiece in the corresponding die carries out the upsetting moulding to punch die to die direction motion and to it, and knock-pin 38 will eject that in type workpiece ejects in the die of position; Charging ram 57, punch die and knock-pin 38 accomplish corresponding actions and reset with the effect of backstay 18 at the driving mechanism of the first goods of furniture for display rather than for use driving shaft 13 etc. under with after die socket 8 separates; First driving cog, 49 engagements on second driving cog 50 on the disk 51 and the die socket 8; Die socket 8 begins to rotate, so circulation.In the process of die socket 8 rotations; Thimble 39 rotates with friction slip 43 and die socket 8 synchronously; The spacing abutment 40 of thimble is not moved; Thimble 39, friction slip 43 relative die sockets 8 keep static, and friction slip 43 contacts with the spacing abutment 40 of thimble and produces force of sliding friction, 40 fricton-tight frictional force of the spacing abutment of 43 of thimble 39 and friction slips, thimble 39 and thimble.

Embodiment 2

As shown in Figure 6, different with embodiment 1 is, the spacing abutment guiding mechanism of thimble comprises second bolt 100, stop collar 102; On body, be provided with the pilot hole (not shown) of the spacing abutment of thimble; On the spacing abutment 103 of thimble, be provided with and prevent the spline plane 106 that the spacing abutment of thimble 103 relative bodies rotate and the emptiness avoiding hole (not shown) of second bolt 100; In pilot hole, be provided with the plane (not shown) that cooperates with the spline plane, spacing abutment 103 of thimble and pilot hole matched in clearance; Second bolt 100 is rotation clamping hex head end 101 away from an end of die socket 104, and being provided with positive stop lug boss 107, the second bolts 100 at second bolt 100 near rotation clamping hex head end 101 is the end of thread near an end of die socket 104; Stop collar 102 is fixed with body, in stop collar 102, is provided with the shoulder hole that cooperates with second bolt 100 and positive stop lug boss, and the macropore 108 of shoulder hole is towards die socket 104 1 sides; The end of thread of second bolt 100 passes the spacing abutment 103 of thimble and extend in the emptiness avoiding hole of lead 105; The limited cover 102 of positive stop lug boss one end of second bolt 100 is kept out spacing; The other end is kept out spacing by body, spacing abutment 103 threaded engagement of the end of thread of second bolt 100 and thimble.When the length of workpiece changes; Through rotating the rotation clamping hex head end 101 of second bolt 100; 100 on second bolt rotates no axially-movable; The spacing abutment 103 of thimble has only axially-movable not have rotation, so the spacing abutment 103 of thimble is moved to the motion of die socket 104 directions or away from die socket 104 directions.The spacing abutment 103 of thimble is to the motion of die socket 104 directions, and the spacing abutment 103 of thimble shortens with the distance of die socket 104, and the distance that thimble 109 is inserted in die and the die socket 104 is elongated, and the length of workpiece shortens; The spacing abutment 103 of thimble is when moving away from die socket 104 directions, and the spacing abutment 103 of thimble is elongated with the distance of die socket 104, and the distance that thimble is inserted in die and the die socket 104 shortens, and the length of workpiece is elongated.

The number of die and punch die can be identical among the present invention, and die and punch die are corresponding one by one, only needs the upsetter among the embodiment of front is not designed pusher and do not need empty avoiding space or clearance position to get final product on the slide block greatly.

But the cavity die rotating device request for utilization among the present invention number is the cavity die rotating device in 87105260.1.

Claims

1. a cavity die rotating upsetter comprises big slide block, is fixed on the die assembly on the big slide block, the big slide block driving mechanism that big slide block is moved back and forth; The die assembly; Cut feed collet material mechanism, the workpiece ejecting mechanism makes die turn to the die indexing means of desired location; The die positioner that die is stopped at desired location, material jacking mechanism; The die assembly only comprises the die socket of support rotation relatively, circumferentially is evenly distributed on the die more than two in the die socket along die; It is characterized in that: be provided with and the fixing lead of die socket in the side of die socket away from die assembly, the position of corresponding each thimble is provided with chute on lead; Material jacking mechanism comprises that an end is installed in the die and die thimble one to one, is installed in the friction slip in the chute, with the fixing spacing abutment of thimble of body; Also be provided with the spacing abutment guiding mechanism of thimble of the distance between adjustment spacing abutment of thimble and the die socket; Only be provided with described workpiece ejecting mechanism, but the workpiece ejecting mechanism comprises the knock-pin of top thimble in the die position that workpiece is ejected; The position of corresponding knock-pin is provided with emptiness avoiding hole on the spacing abutment of thimble, and knock-pin is towards the external diameter of the emptiness avoiding hole one end aperture less than emptiness avoiding hole, and friction slip is greater than the aperture of emptiness avoiding hole; Thimble contacts by described friction slip with described friction slip away from an end of die socket and keeps out; Described friction slip contacts with the spacing abutment of thimble and is kept out by the spacing abutment of thimble away from an end of thimble; The die positioner comprises the first goods of furniture for display rather than for use driving shaft; The driving mechanism of the first goods of furniture for display rather than for use driving shaft is fixed on first goods of furniture for display rather than for use on the first goods of furniture for display rather than for use driving shaft, with the second fixing goods of furniture for display rather than for use axle of body; Only be articulated in second goods of furniture for display rather than for use on the second goods of furniture for display rather than for use axle rotationally; Backstay is with the fixing backstay guide pin bushing of body, second back-moving spring; Backstay comprises two small ends; Small end towards die socket stretches in the die socket; Pass guide pin bushing and on this small end, be provided with the installing hole of second goods of furniture for display rather than for use away from the small end of die socket; Second back-moving spring is installed between guide pin bushing and backstay, and an end of second goods of furniture for display rather than for use stretches in the installing hole of backstay, the other end of second goods of furniture for display rather than for use can with the first goods of furniture for display rather than for use butt.

2. a kind of cavity die rotating upsetter as claimed in claim 1; It is characterized in that: the spacing abutment guiding mechanism of thimble comprises and the fixing adjustment post of the spacing abutment of thimble; Pass first adjustment part and second adjustment part, first bolt and two first adjustment nuts of adjustment post, be installed on first bolt and place first adjustment part and second adjustment part between stage clip; First adjustment part and body near die socket are fixed; The adjustment post and the first adjustment part matched in clearance; Second adjustment part away from die socket is fixed with the adjustment post; One end of first bolt is fixed on first adjustment part, the other end of first bolt pass second adjustment part and with the second adjustment part matched in clearance, the adjustment nut is installed on first bolt and places the side of second adjustment part away from first adjustment part.

3. according to claim 1 or claim 2 a kind of cavity die rotating upsetter; It is characterized in that: the die indexing means comprises first driving cog that is arranged on the die socket border; Be provided with the disk of second driving cog that meshes with first driving cog, the disk driving mechanism of driver plate rotation; The shared disk girth of second driving cog is disk girth and die number ratio; The die assembly comprises the die holder that is fixed on the body; Be installed in the die case of fixing with the die holder in the die holder; Be installed in rotation on the die socket in the die case, be provided with spacing first end cap and second end cap in die case of die socket at the two ends of die socket, first end cap is near die assembly; First end cap is fixed on the die holder, and second end cap is fixed on the die socket and is limited in the die holder; Be provided with the empty avoiding through hole of empty avoiding disk in the position of die holder and the corresponding disk of die case.

4. the method for work of a cavity die rotating upsetter is characterized in that cavity die rotating upsetter, comprises big slide block, is fixed on the die assembly on the big slide block; The big slide block driving mechanism that big slide block is moved back and forth, the die assembly is cut feed collet material mechanism; The workpiece ejecting mechanism; Make die turn to the die indexing means of desired location, the die positioner that die is stopped at desired location, material jacking mechanism; The die assembly only comprises the die socket of support rotation relatively, circumferentially is evenly distributed on the die more than two in the die socket along die; It is characterized in that: be provided with and the fixing lead of die socket in the side of die socket away from die assembly, the position of corresponding each thimble is provided with chute on lead; Material jacking mechanism comprises that an end is installed in the die and die thimble one to one, is installed in the friction slip in the chute, with the fixing spacing abutment of thimble of body; Also be provided with the spacing abutment guiding mechanism of thimble of the distance between adjustment spacing abutment of thimble and the die socket; Only be provided with described workpiece ejecting mechanism, but the workpiece ejecting mechanism comprises the knock-pin of top thimble in the die position that workpiece is ejected; The position of corresponding knock-pin is provided with emptiness avoiding hole on the spacing abutment of thimble, and knock-pin is towards the external diameter of the emptiness avoiding hole one end aperture less than emptiness avoiding hole, and friction slip is greater than the aperture of emptiness avoiding hole; Thimble contacts by described friction slip with described friction slip away from an end of die socket and keeps out; Described friction slip contacts with the spacing abutment of thimble and is kept out by the spacing abutment of thimble away from an end of thimble; Method of work comprises: in the process of die socket rotation, thimble and die socket rotate synchronously, and thimble keeps static with respect to die socket, and the thimble abutment is not moved.

5. the method for work of cavity die rotating upsetter as claimed in claim 4 is characterized in that: the spacing abutment guiding mechanism of thimble that also is provided with the distance between adjustment spacing abutment of thimble and the die socket; Be provided with and the fixing lead of die socket in the side of die socket away from die assembly; The position of corresponding each thimble is provided with chute on lead; Friction slip is installed in chute, and described thimble contacts with friction slip away from an end of die socket and is kept out spacing by it; Spacing abutment of thimble and body are fixed, and the face that friction slip contacts with the spacing abutment of thimble is greater than the aperture of emptiness avoiding hole, and described friction slip contacts with the spacing abutment of thimble and kept out by the spacing abutment of thimble away from an end of thimble;

6. the method for work of cavity die rotating upsetter as claimed in claim 5, it is characterized in that: the number of die manys two than the number of punch die, comprises die and shaping position and the punch die die one to one of die, the discharging position of feed entrance point; Be provided with the blank propulsive mechanism in the die that blank is advanced feed entrance point at the corresponding feed entrance point of punch die one side, on the big slide block of punch die one side, be provided with empty avoiding and cut the empty avoiding space of feed collet material mechanism, blank propulsive mechanism, corresponding discharging position and be provided with the discharging clearance position of workpiece when ejecting; Only be provided with described workpiece ejecting mechanism in the discharging position;

Method of work comprises:

Die is rotated to the die of shaping position, the die of discharging position by the die of feed entrance point; After rotating to the die of its adjacent position; After promptly rotating the angle of 360 °/die number, stop operating at desired location at die positioner and the recessed die holder of die indexing means acting in conjunction; In the process of die socket rotation, realize in the die workpiece from last operation backward the transmission of an operation and the die of discharging position move to feed entrance point, the die of feed entrance point moves to shaping position; Die socket stops; The blank propulsive mechanism will be cut feed collet material mechanisms grip in the die of the blank propelling feed entrance point of feed entrance point; Workpiece in the corresponding die carries out the upsetting moulding to punch die to die direction motion and to it, and the workpiece ejecting mechanism will eject that in type workpiece ejects in the die of position; After blank propulsive mechanism, punch die and ejecting mechanism are accomplished corresponding actions and are resetted, rotate the angle of 360 °/die number again at the acting in conjunction lower cavity die of die detent mechanism and die indexing means, so circulate.