CN209465641U - Long shape Forging delivers holding mechanism automatically - Google Patents

Abstract

The utility model relates to a kind of long shape Forgings to deliver holding mechanism automatically, support portion, the press section containing upright arm and horizontal arm, adjustment section and fastening part including the U-shaped arm that one end extends horizontally.The lower part of upright arm and the other end of support portion connect.The upper end of upright arm is equipped with the notch extended downwardly, and the wall of notch is equipped with the guide rail extended vertically, and top is equipped with top plate.One end of horizontal arm configure in notch and and guide rail, being capable of vertical shift.The free end of the U-shaped arm portion relative level arm of support portion extends outwardly.Adjustment section is mounted on upright arm lower part, and is partly assembled in notch and acts on the lower end surface of horizontal arm.Fastening part is mounted on top plate, and is partly assembled in notch and is acted on the upper surface of horizontal arm.Adjustment section and fastening part collective effect can adjust horizontal arm in height and position relatively-stationary in notch in horizontal arm.It can be realized the delivering to long shape Forging.

Description

Long shape Forging delivers holding mechanism automatically

Technical field

The utility model relates to technical field of forging, and in particular to a kind of holding machine that can be suitable for the delivering of long shape Forging Structure.

Background technique

Crankshaft on motor vehicle is the component manufactured by forging technology.The forging process of crankshaft is generally comprised such as compression -- Multiple processes such as roughing -- finishing -- deburring.It is that bar-shaped workpieces are compressed into oval-shaped profile in compression section With the primary molded product for the multiple portions for being generally shaped as crankshaft weight portion.Make when roughing primary molded product become it is secondary at Shape product, the shapes of the secondary forming product and dimension are similar with the shape of the crankshaft that will be manufactured to final forging and dimension.Finishing Secondary forming product are processed into crankshaft (calling " burr crankshaft " in the following text) by working hour.In deburring operation, removal is formed in burr crankshaft Edge on burr.

In the forging processing of crankshaft, the mold for executing the processes such as compression, roughing, finishing and deburring is usual Merge in single forging apparatus.As disclosed in Japanese Unexamined Patent Publication 05-000349 bulletin, this forging apparatus and transmission Mechanism Combination, transport mechanism operation, bar-shaped workpieces, primary molded product, secondary forming product and burr crankshaft are successively delivered To in the die assembly for executing subsequent handling above.Deburring crankshaft is discharged by transport mechanism from forging apparatus.

Long shape Forging needs to be delivered to compression mould component.Japan Patent 3377741 and Japanese Unexamined Patent Publication 2000- The known mechanisms for keeping and delivering this long shape Forging are disclosed in No. 071138 bulletin.It is public in Japan Patent 3377741 The mechanism opened delivers elongated product by being inserted under the opposite end of long shape Forging by maintaining part and then lifting maintaining part.

The pre-formed mold assembly for being commonly used for forming preformed articles includes eject pin, and the eject pin is for making preform Product are separated with pre-formed mold assembly.If mechanism disclosed in Japan Patent 3377741 is combined with pre-formed mold assembly, When maintaining part is below the opposite end for being inserted in long shape Forging (that is, preformed articles), it may interfere with eject pin.In other words, because It cannot be introduced under the opposite end of long shape Forging for maintaining part due to interfering with eject pin, so in Japan Patent 3377741 Disclosed mechanism is not used to delivering preformed articles.

Utility model content

The main purpose of the utility model is to provide a kind of delivering holding mechanism, which has and can forge Part readily enters under the opposite end of forging after die assembly release via eject pin, and forging is dragged, and stablizes Complete forging delivery actions in ground.

The utility model is to realize that its purpose adopts the technical scheme that: a kind of long shape Forging delivers holding mechanism automatically, Include:

Support portion, the U-shaped arm that one end of the support portion extends horizontally.

Press section, the press section include upright arm and horizontal arm, and the other end of the lower part of upright arm and the support portion Connection.The notch extended downwardly is equipped with from the upper end of upright arm, the two sides wall of notch is equipped with the guide rail extended vertically, notch Port at be fixedly installed with top plate.One end of horizontal arm configure in notch and with the guide rail on notch wall, can Vertical lifting is mobile.The free end of the relatively described horizontal arm of the U-shaped arm portion of the support portion extends outwardly.

Adjustment section, the adjustment section are mounted on the lower part of the upright arm, and be partly assembled in the notch with it is described The lower end surface of horizontal arm acts on.

Fastening part, the fastening part are mounted on the top plate, and are partly assembled in the notch and the horizontal arm Upper surface effect.

The adjustment section and the fastening part collective effect can adjust the horizontal arm in the slot in the horizontal arm Relatively-stationary height and position in mouthful.

In specific embodiment, the free end of the horizontal arm is equipped with pressure block.It is led equipped with a pair one end of the pressure block Xiang Zhu and the stud between two guide posts.On the ontology of the horizontal arm, towards one end of the pressure block be equipped with Counterbore is inserted into the free end of the counterbore of the guide post Corresponding matching and through-hole with the stud Corresponding matching, the guide post It is interior and with the pressure spring phase separation that is arranged in counterbore, the free end of the stud is pierced by the through-hole and matches top nut.Institute It states on the outer wall of guide post, is equipped with external screw thread at least adjacent to the part of the pressure block, and match the upper loop coil of setting.

The implementation structure of upper section is linked into an integrated entity the ontology of horizontal arm with pressure block by stud, at least in stud The part of free end side is equipped with external screw thread and matches with nut.By adjusting the position of nut combination opposite with stud, to adjust just Spacing under beginning state between horizontal arm body and pressure block, the initial compression amount of adjustment pressure spring.By adjusting loop coil phase To the position in guide post, adjusting guide post free end can extend into the length scale in counterbore, and adjustment pressure spring can The size of the clamp pressure of forging end is acted on by pressure block.

In specific embodiment, the adjustment section includes locating piece and drive assembly.

The notch bottom surface of the upright arm is equipped with sliding slot, and the lower part of the locating piece protrudes into sliding slot, top with it is described Horizontal arm effect.

The drive assembly is arranged on the upright arm, and is extended partially into the sliding slot and makees with the locating piece With, can drive the locating piece with respect to sliding slot slide, enable the top of the locating piece to the horizontal arm application push away Power.

Preferably implementing in structure, preloading spring is being equipped between Yu Suoshu locating piece and the horizontal arm, to reduce The requirement of machining accuracy or levelness, verticality to associated components mating surface reduces cost of manufacture.

In specific embodiment, the drive assembly is thrust screw rod, and the end of the thrust screw rod extends to the sliding slot, With the lower end face contact of the locating piece.Its length screwed in sliding slot can be adjusted by screwing the thrust screw rod, and then is adjusted and determined Fixation position of the position block with respect to sliding slot.

In specific embodiment, the drive assembly is screw rod, and one end of screw rod extends in sliding slot and the locating piece It matches and constitutes screw slider mechanism.The shank trend screw rod rotation for screwing screw rod end setting, just can drive locating piece It is mobile relative to sliding slot.

Using the opposite driving means for using thrust screw of the driving means of screw slider formula, can more accurately adjust Position of the locating piece with respect to sliding slot.And when using the driving means of screw slider formula, it to be generally matched with pocket bottom setting Sliding slot, this technical characteristic, the middle part of locating piece is equipped with type chamber, and one end of screw rod extends to the type chamber, such setting energy Enough guarantee that one end of screw rod configuration handle still is able to the lower end surface of Relative vertical arm when locating piece slides into minimum position There is development length as small as possible, so that the structure of whole device is more compact, is more convenient the holding mechanism and outside Facility connection avoids causing excessively to interfere in assembly, so that the facility structure of cooperation is complicated.Because if used merely Thrust screw rod, when horizontal arm is moved to extreme lower position when locating piece is moved to extreme lower position or when without locating piece, thrust Screw rod has the lower end surface that very big a part extends out upright arm, so in setting and the holding mechanism matched facility When, need in addition to consider this kind of state, it requires evade in advance the holding mechanism movement when, because thrust screw rod have it is biggish External size, and the interference that may cause, and make the structure of peripheral matched facility relative complex.Thus, outside not considering In the case where enclosing auxiliary facility structure, adjustment section and fastening part can be selected respectively as bolt, two bolts and horizontal arm It is upper and lower end-acted and horizontal arm is remained fixed at into mobile height and position.

In specific embodiment, guide rail set by the two sidewalls of notch on Yu Suoshu upright arm, in being that a pair is led on each side wall Rail plate.The top of the locating piece is placed between two guide-rail plates, can be by guide-rail plate constraint vertical sliding.In this embodiment In, if having been provided with the matched sliding slot in locating piece lower part, the depth of sliding slot can be with more relatively shallow, or even can be not provided with Sliding slot.

In specific embodiment, the fastening part is bolt.The top plate is equipped with tapped through hole corresponding with the bolt.

Preferably, the fastening part further includes sleeve.The tapped through hole being arranged on the sleeve and the top plate matches, institute Bolt is stated to match with the sleeve.Screwing the sleeve is pressed in one end on horizontal arm, and then screwing bolt makes its screw rod end Portion is pressed on horizontal arm.

Containing the relatively previous scheme of sleeved embodiment, on the one hand convenient for phase separation between increase fastening part and horizontal arm Contact area, on the other hand can be realized two-stage tightening, optimize the force-bearing situation of helicitic texture included in fastening part, have Help extend the service life of fastening part.In addition, be also convenient for selecting sleeve and bolt the better material production of mechanical performance, and Increase cost of manufacture not too bigly.

Detailed description of the invention

Fig. 1 is the whole the schematic diagram of the section structure of this patent embodiment.

Fig. 2 is that a left side for this patent embodiment shows structural schematic diagram.

Fig. 3 is the schematic diagram of structure of matching between upright arm and horizontal arm in this patent embodiment.

Fig. 4 is this patent embodiment in the improvement structural schematic diagram to horizontal arm part.

Fig. 5 is main view corresponding with embodiment shown in Fig. 4 to structural schematic diagram.

Fig. 6 is a kind of application state schematic diagram of this patent embodiment.

In figure: 1 support portion, 2 press sections, 21 upright arms, 211 notches, 211a guide rail, 212 top plates, 213 bottom plates, 22 is horizontal Arm, 221 pressure blocks, 222 connecting pins, 222a track slot, 223 studs, 223a nut, 224 guide posts, 225 loop coils, 226 pressure bullets Spring, 3 locating pieces, 4 screw rods, 41 shanks, 5 fastening parts, 51 bolts, 52 sleeves, 6 preloading springs, 10 lower dies, 20 eject pins, 30 is pre- Formed products

Specific embodiment

Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with Understand for those skilled in the art and read, is not intended to limit the utility model enforceable qualifications, therefore does not have skill Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute Under the effect of capable of generating and the purpose that can reach, it should all still fall in what the revealed technology contents of the utility model can be covered In range.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to chat That states is illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change Under more technology contents, when being also considered as the enforceable scope of the utility model.

The main purpose of this patent is to provide a kind of holding mechanism for implementing to deliver automatically to long shape Forging.A pair of of this patent The corresponding both ends for acting on long shape Forging (preformed articles 30) of holding mechanism under scheme.The delivering holding mechanism has can be Preformed articles 30 readily enter the opposite of preformed articles 30 after die assembly (lower die 10) release via eject pin 20 Under end, preformed articles 30 are dragged, and stably accomplish the delivery actions to preformed articles 30.

If Fig. 1 to Fig. 3 and long shape Forging shown in fig. 6 deliver holding mechanism automatically, include:

Support portion 1, the U-shaped arm that one end of the support portion 1 extends horizontally.In application, the freedom of the U-shaped arm portion End can be insinuated into the lower section of 30 corresponding end of preformed articles.If 30 end of preformed articles is cylindrical structure, the U-shaped arm On the inside of two partial trailing arms, the curved surface being adapted with cylinder may be configured as, so that the end of cylinder can be firmly clamped in Between two trailing arms.Similarly, if the end outside wall surface of preformed articles is its alloytype face form, need to set the wall surface wheel of two trailing arms Exterior feature preferably contacts so that trailing arm can be formed with the end of preformed articles, enable delivering in preformed articles steadily It is limited between a pair of holding mechanism.

Press section 2, the press section 2 include upright arm 21 and horizontal arm 22, and the lower part of upright arm 21 and the support portion 1 The other end be fixedly connected so that 1 Relative vertical arm 21 of support portion formed 90 degree of angles.It is equipped with from the upper end of upright arm 21 downward The notch 211 of extension, two sides (the forward and backward side shown in FIG. 1) wall of notch 211 are equipped with the guide rail 211a extended vertically, slot Top plate 212 is fixedly installed at the port of mouth 211.One end of horizontal arm 22 configure in notch 211 and on 211 wall of notch Guide rail 211a matching, enable 22 Relative vertical arm of horizontal arm, 21 vertical shift.The U-shaped arm portion of the support portion 1 The free end of the relatively described horizontal arm 22 extends outward certain length.Horizontal arm 22 is parallel with respect to support portion 1, and in support Right above portion 1.Assign the movement that horizontal arm 22 slides vertically, it is therefore intended that it is big with respect to the vertical interval of support portion 1 to adjust it It is small, so as to by the holding mechanism use on the preformed articles 30 with different thickness of end.

Adjustment section, the adjustment section are mounted on the lower part of the upright arm 21, and be partly assembled in the notch 211 with The lower end surface of the horizontal arm 22 acts on.Structure is embodied to introduce in hereafter expansion.

Fastening part 5, the fastening part 5 are mounted on the top plate 212, and are partly assembled in the notch 211 and institute State the upper surface effect of horizontal arm 22.

The adjustment section and 5 collective effect of fastening part in the horizontal arm 22, can adjust the horizontal arm 22 in Relatively-stationary height and position in the notch 211.

As shown in Figure 1 to Figure 3, the adjustment section includes locating piece 3 and drive assembly (such as thrust screw rod or screw rod 4).Institute 211 bottom surface of notch for stating upright arm 21 is equipped with sliding slot, and the lower part of the locating piece 3 is protruded into sliding slot, top and the level Arm 22 acts on.The drive assembly is arranged on the upright arm 21, and is extended partially into the sliding slot and the positioning Block 3 acts on, and the opposite sliding slot of the locating piece 3 can be driven to slide, enable the top of the locating piece 3 to the horizontal arm 22 apply thrust.Preferably implementing in structure, as shown, is being equipped with and pre-tightens between Yu Suoshu locating piece 3 and the horizontal arm 22 Spring 6 reduces cost of manufacture to reduce the requirement to the machining accuracy or levelness, verticality of associated components mating surface.

In specific embodiment, the drive assembly can be thrust screw rod, and the end of the thrust screw rod extends to the cunning Slot, the lower end face contact with the locating piece.Its length screwed in sliding slot can be adjusted by screwing the thrust screw rod, and then be adjusted Fixation position of the locating piece with respect to sliding slot.

In other specific embodiments, as shown in Figure 1 and Figure 2, the drive assembly is screw rod 4, and one end of screw rod 4 extends It is matched in sliding slot with the locating piece 3 and constitutes screw slider mechanism.The shank 41 for screwing 4 end of screw rod setting drives silk Bar 4 rotates, and locating piece 3 just can be driven mobile relative to sliding slot.

It, can be more smart using the opposite driving means for using thrust screw of the driving means of screw slider formula as shown Really adjust position of the locating piece with respect to sliding slot.And when using the driving means of screw slider formula, it to be generally matched with notch The middle part of the sliding slot of bottom setting, this technical characteristic, locating piece is equipped with type chamber, and one end of screw rod extends to the type chamber, in this way Setting can guarantee screw rod configuration handle one end still be able to Relative vertical arm when locating piece slides into minimum position There is development length as small as possible in the lower end surface of (specially in the bottom plate 213 of upright arm lower end setting), so that entire dress The structure set is more compact, more convenient to connect the holding mechanism with outside plant, avoids causing excessively to interfere in assembly, make The facility structure that must cooperate is complicated.Because if using simple thrust screw rod, when locating piece is moved to extreme lower position or There is no that when horizontal arm is moved to extreme lower position when locating piece, thrust screw rod has very big a part and extends out under upright arm End face, so needing in addition to consider this kind of state, evading the guarantor in advance in setting facility matched with the holding mechanism When holding mechanism action, because thrust screw rod has a biggish external size, and the interference that may cause, and make peripheral matched facility Structure it is relative complex.Thus, in the case where not considering peripheral matched facility structure, adjustment section and fastening part can be respective Selecting is bolt, two bolts and horizontal arm upper and lower end-acted and horizontal arm is remained fixed at into mobile height and position.

As shown in Figure 1 to Figure 3, guide rail 211a set by the two sidewalls of notch on Yu Suoshu upright arm 21, in equal on each side wall For a pair of guide rails plate.The top of the locating piece 3 is placed between two guide-rail plates, can be by guide-rail plate constraint vertical sliding.Herein In embodiment, if having been provided with the matched sliding slot in 3 lower part of locating piece, the depth of sliding slot can be with more relatively shallow, very Sliding slot can be extremely not provided with.

As shown in Figure 1 to Figure 2, the fastening part 5 includes bolt 51 and sleeve 52.The sleeve 52 and the top plate 212 The tapped through hole of upper setting matches, and the bolt 51 is matched with the sleeve 52.Screwing the sleeve 52 makes one end be pressed in water On flat arm 22, then screwing bolt 51 is pressed in its screw rod end on horizontal arm 22.The effect of sleeve 52 is set, is on the one hand convenient for On the other hand the contact area for increasing phase separation between fastening part 5 and horizontal arm 22 can be realized two-stage tightening, optimize fastening part Included in helicitic texture force-bearing situation, facilitate extend fastening part service life.In addition, being also convenient for sleeve and spiral shell Bolt selects the better material production of mechanical performance, without too greatly increasing cost of manufacture.

In other embodiments, the fastening part can be bolt.The top plate is logical equipped with screw thread corresponding with the bolt Hole.

As shown in Figure 4, Figure 5, the free end of the horizontal arm 22 is equipped with pressure block 221.One end of the pressure block 221 is set There are a pair of of guide post 224 and the stud 223 between two guide posts 224.On the ontology of the horizontal arm 22, described in One end of pressure block 221 is equipped with and the counterbore of 224 Corresponding matching of guide post and logical with 223 Corresponding matching of stud Hole, in the free end insertion counterbore of the guide post 224 and with 226 phase separation of pressure spring that is arranged in counterbore, the stud 223 free end is pierced by the through-hole and matches top nut 223a.On the outer wall of the guide post 224, at least adjacent to the pressure The part of power block 221 is equipped with external screw thread, and matches the upper loop coil 225 of setting.This kind implements structure, by stud 223 by horizontal arm 22 ontology links into an integrated entity with pressure block 221, such as scheme, at least the part of the free end side of stud 223 be equipped with external screw thread with Nut 223a matching.By adjusting nut 223a and the opposite position combined of stud 223, to adjust horizontal arm 22 under original state Spacing between ontology and pressure block 221, the initial compression amount of adjustment pressure spring 226.It is being led by adjusting loop coil 225 is opposite Position on column 224, adjustment 224 free end of guide post can extend into the length scale in counterbore, adjustment pressure 226 energy of spring The size of the clamp pressure of 30 end of preformed articles is enough acted on by pressure block 221.The embodiment passes through setting pressure block 221 make it be that flexible force can be avoided rigid work while guaranteeing that chucking power is reliable and stable to the power of forging both ends effect It is adversely affected caused by forging under firmly.

Above embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore, Such as those of ordinary skill in the art is in spirit revealed without departing from the utility model and institute under technical idea All equivalent modifications or change completed, should be covered by the claim of the utility model.

Claims (10)

1. a kind of long shape Forging delivers holding mechanism automatically characterized by comprising

Support portion, the U-shaped arm that one end of the support portion extends horizontally；

Press section, which includes upright arm and horizontal arm, and the lower part of upright arm is connect with the other end of the support portion； The notch extended downwardly is equipped with from the upper end of upright arm, the two sides wall of notch is equipped with the guide rail extended vertically, the end of notch Top plate is fixedly installed at mouthful；One end of horizontal arm configure in notch and with the guide rail on notch wall, can be vertical Lifting；The free end of the relatively described horizontal arm of the U-shaped arm portion of the support portion extends outwardly；

Adjustment section, the adjustment section are mounted on the lower part of the upright arm, and are partly assembled in the notch and the level The lower end surface of arm acts on；

Fastening part, the fastening part are mounted on the top plate, and are partly assembled to upper with the horizontal arm in the notch It is end-acted；

The adjustment section and the fastening part collective effect can adjust the horizontal arm in the notch in the horizontal arm Relatively-stationary height and position.

2. long shape Forging according to claim 1 delivers holding mechanism automatically, it is characterised in that: the freedom of the horizontal arm End is equipped with pressure block；

One end of the pressure block is equipped with a pair of of guide post and the stud between two guide posts；

On the ontology of the horizontal arm, towards one end of the pressure block be equipped with the counterbore of the guide post Corresponding matching and with The through-hole of the stud Corresponding matching, in the free end insertion counterbore of the guide post and with the pressure spring phase that is arranged in counterbore Effect, the free end of the stud is pierced by the through-hole and matches top nut；

On the outer wall of the guide post, it is equipped with external screw thread at least adjacent to the part of the pressure block, and match and be equipped with loop coil.

3. long shape Forging according to claim 1 or 2 delivers holding mechanism automatically, it is characterised in that:

The adjustment section includes locating piece and drive assembly；

The notch bottom surface of the upright arm is equipped with sliding slot, and the lower part of locating piece is protruded into sliding slot, and top and horizontal arm act on；

The drive assembly is arranged on the upright arm, and is extended partially into the sliding slot and acts on the locating piece, The locating piece can be driven to slide with respect to sliding slot, the top of the locating piece is enabled to apply thrust to the horizontal arm.

4. long shape Forging according to claim 3 delivers holding mechanism automatically, it is characterised in that: Yu Suoshu locating piece and institute It states and is equipped with preloading spring between horizontal arm.

5. long shape Forging according to claim 3 delivers holding mechanism automatically, it is characterised in that: the drive assembly is to push away Power screw rod, the end of the thrust screw rod extend to the sliding slot, the lower end face contact with the locating piece.

6. long shape Forging according to claim 3 delivers holding mechanism automatically, it is characterised in that: the drive assembly is silk Bar, one end of screw rod extend in sliding slot with the positioning Block- matching and constitute screw slider mechanism.

7. long shape Forging according to claim 3 delivers holding mechanism automatically, it is characterised in that: slot on Yu Suoshu upright arm Mouthful two sidewalls set by guide rail, in each side wall be a pair of guide rails plate；The top of the locating piece is placed between two guide-rail plates, It can be by guide-rail plate constraint vertical sliding.

8. long shape Forging according to claim 1 or 2 delivers holding mechanism automatically, it is characterised in that:

The adjustment section includes locating piece and drive assembly；

The guide rail set by the two sidewalls of notch on the upright arm, in each side wall be a pair of guide rails plate；The locating piece is set It, can be by guide-rail plate constraint vertical sliding between two guide-rail plates；

The drive assembly is arranged on the upright arm, and is extended partially into the notch and acts on the locating piece, The locating piece vertical sliding can be driven, the top of the locating piece is enabled to apply thrust to the horizontal arm.

9. long shape Forging according to claim 1 or 2 delivers holding mechanism automatically, it is characterised in that: the fastening part is Bolt；The top plate is equipped with tapped through hole corresponding with the bolt.

10. long shape Forging according to claim 9 delivers holding mechanism automatically, it is characterised in that: the fastening part also wraps Include sleeve；The tapped through hole being arranged on the sleeve and the top plate matches, and the bolt is matched with the sleeve.