CN209094444U - A kind of forging mold with lock stiffening device - Google Patents

Abstract

The utility model discloses a kind of forging molds with lock stiffening device, its key points of the technical solution are that: including upper die holder and lower die holder, annular groove is offered in the upper die holder, upper module is plugged in the annular groove, groove is additionally provided in the lower die holder, lower module is plugged in the groove, the step surface that the lower module is 5cm with a depth on the outer wall close to described upper module one end, the lower module is arranged at the step surface is fixed with a dead ring, the dead ring has the protrusion for protruding the lower module, the inner hole of the protrusion has 0.5 ° -1 ° of taper, it is arranged fixed dead ring and lower module on lower module ring wall and is capable of forming an effective entirety, forging mold is processed by the size of lock requirement, the tight fit of upper/lower die can be reached, it is processed into 0.5 degree To 1 degree of taper, the complete self-locking closure of upper/lower die may be implemented.

Description

A kind of forging mold with lock stiffening device

Technical field

The utility model relates to forging mold field, in particular to a kind of forging mold with lock stiffening device.

Background technique

Forging is to apply pressure to metal stock using metal forming machinery, it is made to generate plastic deformation, is had with acquisition certain The processing method of the forging of mechanical performance, certain shapes and size.Die forging, which refers to, makes hair using mold on dedicated forging equipment Base forms and obtains the forging method of forging.The forging's block dimension of the method production is accurate, and machining allowance is smaller, and structure is also relatively more multiple Miscellaneous productivity is high.

Press machine die forging at present is still divided into open die forging, impressing forging and closed die forging two ways, middle open type according to forging shape Die forging is mainly used in the more complex forging of shape, and closed die forging is mainly used for that shape is relatively simple or the forging of revolution shape.Its In, the most mainstream production method of precision die forging is still realized in closed die forging, and the advantage of this respect is embodied a concentrated reflection of to be set by mold The self-locking device of meter latches, and this respect is that open die forging, impressing forging can not replace.

In order to solve the problems, such as opening die forging mismatch, annular lock or Square Lock are proposed, is realized half between upper and lower mould Closed mode produces.But in order to increase locker, it is also necessary to increase mold design, be come with additional increased part The position of lock is set, especially turns round the mold of shape, the lock of needs can only be set by way of increasing outer diameter.Nothing The material cost and manufacturing cost of mold are greatly increased in shape.The die forging of press machine die forging, especially multistation is assembled When, the installation dimension of mold is restricted, when making to produce the forging of larger shape, module size is restricted, thus mold Intensity receives very big influence.

To this, we design a kind of forging mold with lock stiffening device and solve such problems.

Utility model content

Aiming at the problem that mentioning in background technique, the purpose of the utility model is to provide a kind of with lock stiffening device Forging mold, to solve the problems, such as to mention in background technique.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of forging mold with lock stiffening device, including upper die holder and lower die holder offer in the upper die holder Annular groove is plugged with upper module in the annular groove, offers forming cavity in the upper module, the upper module by several the One clamping screw and several pins are connect with the upper die holder, and groove, grafting in the groove are additionally provided in the lower die holder There is lower module, the lower module is offering lower forming cavity close to the upper forming cavity on one side, and the lower module bottom is fixed There are dovetails, the groove floor on the lower die holder offers the dovetail groove for dovetails insertion, the dovetail groove Be plugged with voussoir in the gap of the dovetails, the lower module has one on the outer wall close to described upper module one end Depth is the step surface of 5cm, and the lower module is arranged at the step surface is fixed with a dead ring, and the dead ring has The protrusion of the lower module is protruded, the inner hole of the protrusion has 0.5 ° -1 ° of taper.

By using above-mentioned technical proposal, when assembling forging die, upper module can be fixed using pin and clamping screw In annular groove on upper die holder, upper die holder has the effect of upper module to reinforce its rigidity；Lower module is by utilizing dovetails, swallow Stern notch and voussoir can be fixed on the lower die seat, and fixed dead ring and lower module are arranged on lower module ring wall being capable of shape It is effective whole at one, forging mold is processed by the size of lock requirement, the tight fit of upper/lower die can be reached, It is processed into 0.5 degree to 1 degree of taper, the complete self-locking closure of upper/lower die may be implemented.

Preferably, being also plugged with block in the groove, the block has the wall surface being bonded with the lower module outer wall, It is fixed there are two fixed block on the block, it is opened up on the lower die holder there are two the notch for fixed block insertion, two It is connected by the second clamping screw between the fixed block and the lower die holder.

By using above-mentioned technical proposal, the block of grafting has the function of reinforcement structure to lower module in groove, can Prevent lower module from deforming.

Preferably, being also provided with sliding slot in the upper die holder, sliding is connected with positioning column, the positioning column in the sliding slot It is connected with spring between the sliding slot slot bottom, the location hole for positioning column insertion is offered on the upper module.

By using above-mentioned technical proposal, under spring force effect, the fixed column in sliding slot is inserted into upper module On positioning hole, can be realized between upper module and upper die holder installation positioning.

Preferably, the hole taper of the protrusion is 0.8 °.

By using above-mentioned technical proposal, 0.8 ° of protrusion hole taper it is opposite with 0.5 for be easier to process, and adopt It can guarantee that the closing of molding is not easy to increase friction when upper and lower mould molds again with 0.8 ° of taper.

Preferably, the pin offers square groove in one end far from the upper module.

By using above-mentioned technical proposal, the square groove of dowel ends can facilitate operator to take out pin.

Preferably, being further fixed on die shank at the top of the upper die holder.

By using above-mentioned technical proposal, by that upper die holder conveniently can be installed to press machine using die shank On.

In conclusion the utility model mainly has the advantages that

When assembling forging die, upper module can be fixed in the annular groove on upper die holder using pin and clamping screw, on Die holder has the effect of upper module to reinforce its rigidity；Lower module is by utilizing dovetails, dovetail groove and voussoir can be by it It is fixed to be arranged fixed dead ring and lower module on lower module ring wall on the lower die seat and be capable of forming an effective entirety, it will Forging mold is processed by the size of lock requirement, can be reached the tight fit of upper/lower die, is processed into 0.5 degree to 1 degree The complete self-locking closure of upper/lower die may be implemented in taper.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the forging mold with lock stiffening device；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is one of the structure sectional view of forging mold with lock stiffening device；

Fig. 4 is enlarged drawing at B in Fig. 3；

Fig. 5 is enlarged drawing at C in Fig. 3；

Fig. 6 is the two of the structure sectional view of the forging mold with lock stiffening device；

Fig. 7 is enlarged drawing at D in Fig. 6.

Appended drawing reference: 1, upper die holder；2, lower die holder；3, annular groove；4, upper module；5, upper forming cavity；6, the first clamping screw； 7, pin；8, groove；9, lower module；10, lower forming cavity；11, dovetails；12, dovetail groove；13, voussoir；14, dead ring；15, Protrusion；16, block；17, fixed block；18, notch；19, the second clamping screw；20, sliding slot；21, positioning column；22, spring； 23, location hole；24, square groove；25, die shank.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figures 1 to 7, a kind of forging mold with lock stiffening device, including upper die holder 1 and lower die holder 2, In annular groove 3 is offered in upper die holder 1, upper module 4 is plugged in annular groove 3, wherein offering upper forming cavity in upper module 4 5, and upper module 4 is connect by two the first clamping screws 6 and two pins 7 with upper die holder 1, while in lower die holder 2 also Equipped with groove 8, it is plugged with lower module 9 in groove 8, and lower module 9 is being offered into lower molding close to upper forming cavity 5 on one side Chamber 10 is fixed with dovetails 11 in 9 bottom of lower module, 8 bottom surface of groove on lower die holder 2 for stable fixation lower module 9 The dovetail groove 12 being inserted into for dovetails 11 is offered, and voussoir will be plugged in the gap of dovetail groove 12 and the dovetails 11 13；In order to enable better tightness and making mold overall structure more powerful after molding, by lower module 9 close to upper module The outer wall of 4 one end is got on the bus the step surface for cutting that a depth is 5cm, while lower module 9 being arranged at the step surface and is fixed with One dead ring 14, is heated to red heat for dead ring 14 when installing dead ring 14, and dead ring 14 is stuck on lower module 9 later Step surface at, wherein having the protrusion 15 of protrusion lower module 9 on dead ring 14, the inner hole of protrusion 15 is with 0.8 ° Taper, the inner hole of protrusion 15 form up big and down small inner hole；Therefore when assembling forging die, pin 7 and clamping screw energy are utilized Enough that upper module 4 is fixed in the annular groove 3 on upper die holder 1, upper die holder 1 has the effect of upper module 4 to reinforce its rigidity；Lower die Block 9 is covered on 9 ring wall of lower module by that can be fixed on lower die holder 2 using dovetails 11, dovetail groove 12 and voussoir 13 If fixed dead ring 14 and lower module 9 be capable of forming one it is effective whole, by forging mold by latch the size of requirement into Row processing, can reach the tight fit of upper/lower die, be processed into 0.5 degree to 1 degree of taper, and upper/lower die may be implemented completely certainly It is locked to close.

As shown in Figures 1 to 7, in order to reinforce the structure of lower module 9, block 16 is also plugged in groove 8, wherein block 16 have the wall surface being bonded with 9 outer wall of lower module, while there are two fixed blocks 17 for fixation on block 16, open on lower die holder 2 If there are two the notches 18 being inserted into for fixed block 17, while will pass through the second locking between two fixed blocks 17 and lower die holder 2 Bolt 19 connects, and the block 16 of grafting has the function of reinforcement structure to lower module 9 in groove 8, can prevent lower module 9 from occurring Deformation；In order to realize the positioning of the installation of upper module 4, it is also provided with sliding slot 20 in upper die holder 1, slides and is connected in sliding slot 20 Positioning column 21, and it will be connected with spring 22 between 20 slot bottom of positioning column 21 and sliding slot, while offering described in confession on upper module 4 The location hole 23 that positioning column 21 is inserted into, under the effect of 22 elastic force of spring, the fixed column in sliding slot 20 is inserted on upper module 4 Location hole 23 in, can be realized between upper module 4 and upper die holder 1 installation positioning；Simultaneously by pin 7 far from upper module 4 one end offers square groove 24, and the square groove 24 of 7 end of pin can facilitate operator to take out pin 7；Simultaneously in upper die holder 1 Top is further fixed on die shank 25, by the way that conveniently upper die holder 1 can be installed on press machine using die shank 25.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of forging mold with lock stiffening device, including upper die holder (1) and lower die holder (2), it is characterised in that: described It offers annular groove (3) in upper die holder (1), is plugged with upper module (4) in the annular groove (3), offered in the upper module (4) Forming cavity (5), the upper module (4) pass through several first clamping screws (6) and several pins (7) and the upper die holder (1) it connects, is additionally provided with groove (8) in the lower die holder (2), be plugged with lower module (9), the lower module in the groove (8) (9) in offering on one side lower forming cavity (10) close to the upper forming cavity (5), lower module (9) bottom is fixed with dovetail Block (11), the groove (8) bottom surface on the lower die holder (2) offer the dovetail groove for the dovetails (11) insertion (12), it is plugged with voussoir (13) in the gap of the dovetail groove (12) and the dovetails (11), the lower module (9) is close The step surface for being 5cm with a depth on the outer wall of described upper module (4) one end, the lower module (9) is in the step surface Place, which is arranged, is fixed with a dead ring (14), and the dead ring (14) has the protrusion (15) for protruding the lower module (9), institute The inner hole for stating protrusion (15) has 0.5 ° -1 ° of taper.

2. a kind of forging mold with lock stiffening device according to claim 1, it is characterised in that: the groove (8) it is also plugged with block (16) in, the block (16) has the wall surface being bonded with the lower module (9) outer wall, the block (16) fixed there are two fixed block (17) on, open up that there are two the slots for the fixed block (17) insertion on the lower die holder (2) Mouth (18) is connect by the second clamping screw (19) between two fixed blocks (17) and the lower die holder (2).

3. a kind of forging mold with lock stiffening device according to claim 1, it is characterised in that: the upper die holder (1) it is also provided with sliding slot (20) in, sliding is connected with positioning column (21) in the sliding slot (20), the positioning column (21) and described It is connected with spring (22) between sliding slot (20) slot bottom, offers on the upper module (4) and determine for the positioning column (21) insertion Position hole (23).

4. a kind of forging mold with lock stiffening device according to claim 1, it is characterised in that: the protrusion (15) hole taper is 0.8 °.

5. a kind of forging mold with lock stiffening device according to claim 1, it is characterised in that: the pin (7) square groove (24) are offered in one end far from the upper module (4).

6. a kind of forging mold with lock stiffening device according to claim 1, it is characterised in that: the upper die holder (1) die shank (25) are further fixed at the top of.