CN205270576U - Crooked mould - Google Patents

Abstract

The utility model provides a crooked mould belongs to the mould field, including upper die base and die holder, the die holder upper surface has a terrace die through bottom plate fixed mounting, and the lower surface of upper die base is provided with an upper fixed plate, the last symmetry of an upper fixed plate has set up two die pieces, two be provided with the locating piece between the die piece, locating piece fixed connection in the lower surface of upper die base is provided with an elastomeric element between die piece and the locating piece, be provided with two guide blocks on the die holder, the guide block symmetry sets up in the terrace die both sides, side and the corresponding position of die piece that the guide block is close to the terrace die are provided with the inclined plane of mutually supporting respectively, be provided with slide mechanism between die piece and an upper fixed plate, slide mechanism can make the die piece for an upper fixed plate horizontal slip. The crooked mould of this kind of structure, the degree of adaptability between die piece and the terrace die is high, and the sustainability of processing part is strong, and crooked mould's machining efficiency is high.

Description

Bending mould

Technical field

The utility model relates to mould applications, specifically, it relates to a kind of bending mould.

Background technology

Bending die a kind of according to the shape needs of part, by pressing machine, blank can be bent into the mould of certain angle, and the crooked part being most widely used in Modern Industry Products adopts bending die to process. Bending die comprises the die and punch that are used in conjunction with each other, and under the effect of pressing machine, workpiece is brake forming between die and punch. Existing bending die is when processing crooked part, and usually because the cooperate degree between die and punch is low, working (machining) efficiency is low, and the product precision manufactured is low.

Practical novel content

The utility model provides a kind of bending mould, it is intended to improve the problem that the working (machining) efficiency of above-mentioned bending mould is low.

The utility model is achieved in that

Bending mould, comprise die holder and lower die holder, described lower die holder upper surface is installed with punch by lower retaining plate, the lower surface of upper die holder is provided with upper mounted plate, fixed plate has been symmetrical arranged two female die block, it is provided with preset pieces between two described female die block, preset pieces is fixedly connected on the lower surface of die holder, the first elasticity parts it are provided with between female die block and preset pieces, lower die holder is provided with two orienting lugs, described orienting lug is symmetricly set in punch both sides, the position that described orienting lug is corresponding near the side of punch and female die block is respectively arranged with the inclined-plane cooperatively interacted, slip mechanism it is provided with between described female die block and upper mounted plate, described slip mechanism can make female die block slide relative to upper mounted plate level.

The bending mould of this kind of structure, under the effect of orienting lug and slip mechanism, female die block can slide relative to upper mounted plate level, make the fitness between female die block and punch extremely high, the sustainability of processing parts is strong, avoid making because the Harmony difference between orienting lug and die mould can not Continuous maching part, thus improve the working (machining) efficiency of bending mould.

Further, described slip mechanism comprises the first chute and pulley, and described first chute is opened on upper mounted plate, and described pulley is arranged on the sidewall of female die block, and described pulley and the first chute cooperatively interact.

The wheel subdivision of pulley sticks into the first chute and is limited in the first chute, is coated with lubricating oil in the first chute, and when trying hard to recommend dynamic female die block outside, pulley can be free to slide in the first chute, thus female die block is slided in the horizontal direction.

Further, described first chute is opened on upper mounted plate, described female die block is being provided with engagement part near retaining plate side, one end, described engagement part is fixed on female die block, the other end inserts the first chute and cooperatively interacts with the first chute, and described first chute and described engagement part form described slip mechanism.

Be respectively arranged with, due on the side that female die block is corresponding with orienting lug, the inclined-plane cooperatively interacted, in the process that female die block moves horizontally, the inclined-plane of female die block all the time with the chamfered portion of orienting lug or all contact. During die sinking, starting position is returned at female die block, namely when female die block is moved horizontally to the most far-end away from preset pieces, the lower end on female die block inclined-plane and the upper end on orienting lug inclined-plane contact with each other, this just can guarantee bending mould upper once close mould time, female die block can be produced effective thrust by the inclined-plane of orienting lug in the horizontal direction so that it is move horizontally to the direction near preset pieces.

The bending mould of this kind of structure, is fixedly connected with between engagement part with female die block, good stability, and female die block arbitrarily can slide relative to upper mounted plate so that the fitness between female die block and punch is extremely high, and the sustainability of processing parts is strong. And contact area between engagement part and female die block is big so that upper mounted plate can be good at supporting female die block, female die block is avoided to produce more long afterwards in working life loosening, thus the product precision making processing is not high.

Further, fixed plate is provided with the first salient, and described female die block is being provided with the 2nd salient near retaining plate side, and described first salient and the 2nd salient form described slip mechanism, and described first salient and the 2nd salient cooperatively interact.

The bending mould of this kind of structure, first salient can and upper mounted plate between form chute, the end of the 2nd salient can be buckled in above-mentioned chute, simultaneously, the end of the first salient is also the equal of imbed in female die block so that the first salient and the 2nd salient form close-fitting slip mechanism.

Further, described orienting lug is provided with trilateral strengthening rib in the side away from punch.

The strengthening rib of trilateral can improve the rigidity of orienting lug, avoids in when punching press, and orienting lug moves horizontally, and causes the spacing of female die block and punch to exceed the width of processing work, thus affects guiding accuracy.

Further, described orienting lug and lower die holder are slidably connected.

When female die block is raised under the drive of stamping machine, after being separated with orienting lug, the thrust away from convex module that orienting lug is subject to disappears, slide to punch level under the effect of slide unit, when female die block is descending, the top on the contact guidance block inclined-plane at first bottom on its inclined-plane, and coordinate with it, it is made to move to the direction away from punch, until arriving the most far-end of mobile range, now, the inclined-plane of orienting lug coordinates completely with the inclined-plane of female die block, female die block is made to be clamped between orienting lug and preset pieces, thus coordinate with punch, complete the brake forming to workpiece. the bending mould of this kind of structure, the fitness between female die block and orienting lug is higher, and further improves guiding accuracy.

Further, having offered the 2nd chute on described lower die holder, described 2nd chute is being installed with the 2nd elasticity parts away from punch one end, and the bottom of described orienting lug is provided with the first slide block, described first slide block and the 2nd chute cooperatively interact so that the guiding accuracy height of bending mould.

2nd chute can be dovetail-indent or T-shaped groove, and the first slide block intercalation is in the 2nd chute, it is possible to be free to slide, and one end of the 2nd elasticity parts is fixed on the sidewall of the first chute away from punch one end, and the other end of the 2nd elasticity parts is towards the first slide block.

Further, described lower die holder has been offered the 2nd chute, described 2nd chute is being installed with the 2nd elasticity parts away from punch one end, described upper die holder is provided with slide unit, being provided with the 2nd slide block mated mutually with the 2nd chute bottom slide unit, described orienting lug is fixed on slide unit by holding bolt.

Screwing this holding bolt, namely orienting lug is fixed on slide unit, is provided with and the slide block that the 2nd chute mates bottom slide unit, and the 2nd slide block is located in the 2nd chute. This kind utilizes slide unit to realize being slidably connected between orienting lug and lower die holder, and sliding effect is good so that orienting lug is more accurate to the guide effect of female die block.

Further, it is provided with backing plate between described lower retaining plate and lower die holder.

Backing plate plays shock absorption, it is possible in minimizing, die holder is to the impact of lower die holder, extends the work-ing life of this bending mould.

Further, also comprising pressing plate and mould handle, mould handle is arranged at above die holder, pressing plate is slidably connected in preset pieces, and pressing plate upper surface is fixedly connected with makes bar, makes bar and is positioned at die holder and mould handle, the upper surface of mould handle is stretched out in the upper end making bar, beats bar and upper die holder and mould handle running fit.

Pressing plate can when bending workpiece pressing, prevent workpiece wrinkling, the scrap rate of less work pieces process.

The beneficial effects of the utility model are: the bending mould that the utility model is obtained by above-mentioned design, during use, first workpiece is placed on punch, when brake forming, along with pressing machine is descending, female die block is under the effect on orienting lug inclined-plane, moved horizontally to the direction near preset pieces by slip mechanism, compress the first elasticity parts, workpiece is carried out bending machining, after work pieces process completes, die under the drive of pressing machine away from punch, under the effect of the first elasticity parts restorer, female die block is moved horizontally to the direction away from preset pieces by slip mechanism, return to starting position. the bending mould of this kind of structure, under the effect of orienting lug and slip mechanism, female die block can slide relative to upper mounted plate level, make the fitness between female die block and punch extremely high, the sustainability of processing parts is strong, avoid making because the Harmony difference between orienting lug and die mould can not Continuous maching part, thus improve the working (machining) efficiency of bending mould.

Accompanying drawing explanation

The technical scheme of mode is implemented in order to be illustrated more clearly in the utility model, it is briefly described to the accompanying drawing used required in enforcement mode below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.

Fig. 1 is the sectional view that the utility model implements the first bending mould that mode provides;

Fig. 2 is the front view that the utility model implements upper mounted plate and female die block in the first bending mould of providing of mode;

Fig. 3 is the side-view that the utility model implements upper mounted plate and female die block in the first bending mould of providing of mode;

Fig. 4 is the sectional view that the utility model implements the 2nd kind of bending mould that mode provides;

Fig. 5 is the sectional view that the utility model implements the third bending mould that mode provides;

Fig. 6 is the lower die holder of the third bending mould and the structural representation of orienting lug that the utility model implements that mode provides;

Fig. 7 is the lower die holder of the 4th kind of bending mould and the structural representation of orienting lug that the utility model implements that mode provides.

Figure acceptance of the bid note is respectively:

Upper die holder 101, lower die holder 102, punch 103, make bar 104, female die block 105, mould handle 106, upper mounted plate 107, lower retaining plate 108, orienting lug 109, preset pieces 110, first elasticity parts 111, first chute 112, strengthening rib 113, workpiece 114, pressing plate 115, backing plate 116, the 2nd chute 117, slide unit 118, holding bolt 119, first slide block 120, the 2nd elasticity parts 121, the 2nd slide block 122, first salient 123, the 2nd salient 124.

Embodiment

For making the utility model implement the object of mode, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model enforcement mode, technical scheme in the utility model enforcement mode is clearly and completely described, obviously, described enforcement mode is the utility model part enforcement mode, instead of whole enforcement modes. Based on the enforcement mode in the utility model, those of ordinary skill in the art are not making other enforcement modes all obtained under creative work prerequisite, all belong to the scope of the utility model protection. Therefore, below to the detailed description of the enforcement mode of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but only represent selected enforcement mode of the present utility model. Based on the enforcement mode in the utility model, those of ordinary skill in the art are not making other enforcement modes all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " counterclockwise " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit comprise one or more these features. In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals or the interaction relationship of two elements. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, it is also possible to comprise the first and second features be not directly contact but by the other characterisation contact between them. And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " comprise fisrt feature immediately below second feature and tiltedly lower section, or only represent that fisrt feature level height is less than second feature.

Refer to Fig. 1-Fig. 7,

The bending mould that present embodiment provides, comprise die holder 101 and lower die holder 102, described lower die holder 102 upper surface is installed with punch 103 by lower retaining plate 108, the lower surface of upper die holder 101 is provided with upper mounted plate 107, fixed plate 107 has been symmetrical arranged two female die block 105, it is provided with preset pieces 110 between two described female die block 105, preset pieces 110 is fixedly connected on the lower surface of die holder 101, the first elasticity parts 111 it are provided with between female die block 105 and preset pieces 110, lower die holder 102 is provided with two orienting lugs 109, described orienting lug 109 is symmetricly set in punch 103 both sides, described orienting lug 109 is respectively arranged with, near the position of the side of punch 103 and female die block 105 correspondence, the inclined-plane cooperatively interacted, it is provided with slip mechanism between described female die block 105 and upper mounted plate 107, described slip mechanism can make female die block 105 slide relative to upper mounted plate 107 level.

Slip mechanism can make the female die block 105 in this bending die in die sinking or close the key part that in mould process, left and right horizontal is slided. In use, first workpiece 114 is placed on punch 103, when brake forming, along with pressing machine is descending, female die block 105 is under the effect on orienting lug 109 inclined-plane, moved horizontally to the direction near preset pieces 110 by slip mechanism, compress the first elasticity parts 111, workpiece 114 is carried out bending machining, after workpiece 114 machines, die under the drive of pressing machine away from punch 103, under the effect of the first elasticity parts 111, female die block 105 is moved horizontally to the direction away from preset pieces 110 by slip mechanism, returns to starting position.

The bending mould of this kind of structure, under the effect of orienting lug 109 and slip mechanism, female die block 105 can slide relative to upper mounted plate 107 level, make the fitness between female die block 105 and punch 103 extremely high, the sustainability of processing parts is strong, avoid making because the Harmony difference between orienting lug 109 and die mould can not Continuous maching part, thus improve the working (machining) efficiency of bending mould.

Slip mechanism comprises the first chute 112 and pulley, and described first chute 112 is opened on upper mounted plate 107, and described pulley is arranged on the sidewall of female die block 105, and described pulley and the first chute 112 cooperatively interact. The wheel subdivision of pulley sticks into the first chute 112 and is limited in the first chute 112, it is coated with lubricating oil in first chute 112, when trying hard to recommend dynamic female die block 105 outside, pulley can be free to slide in the first chute 112, thus female die block 105 can be slided in the horizontal direction.

The bending mould of said structure can complete the Continuous maching that spares bend is shaping. But, owing to the pulley in the bending mould of said structure and position intensity fixing between female die block 105 are low, along with the increase of bending mould working life, pulley probably splits away off from the sidewall of female die block 105. And in said structure, be only contacted by pulley between female die block 105 with upper positioning element, not can be good at transmitting mould pressure to female die block 105 generation in the process of processing work 114. Given this, its structure has been carried out further improvement by contriver.

Bending mould, comprise die holder 101 and lower die holder 102, described lower die holder 102 upper surface is installed with punch 103 by lower retaining plate 108, the lower surface of upper die holder 101 is provided with upper mounted plate 107, fixed plate 107 has been symmetrical arranged two female die block 105, it is provided with preset pieces 110 between two described female die block 105, preset pieces 110 is fixedly connected on the lower surface of die holder 101, the first elasticity parts 111 it are provided with between female die block 105 and preset pieces 110, lower die holder 102 is provided with two orienting lugs 109, described orienting lug 109 is symmetricly set in punch 103 both sides, described orienting lug 109 is respectively arranged with, near the position of the side of punch 103 and female die block 105 correspondence, the inclined-plane cooperatively interacted, it is provided with slip mechanism between described female die block 105 and upper mounted plate 107, described slip mechanism can make female die block 105 slide relative to upper mounted plate 107 level. described first chute 112 is opened on upper mounted plate 107, described female die block 105 is being provided with engagement part near retaining plate side, one end, described engagement part is fixed on female die block 105, the other end inserts the first chute 112 and cooperatively interacts with the first chute 112, and described first chute 112 forms described slip mechanism with described engagement part.

Upper die holder 101 and lower die holder 102 are the basi components of this bending mould, it is possible to adopt Q234 steel plate to make, good combination property, it may also be useful to the life-span is long. Die and punch 103 are the working parts of this bending mould, it is possible to adopting GCr15 steel to make, intensity height, not easily damages. Die comprises two female die block 105 being symmetricly set on upper mounted plate 107. All having offered groove on sidewall corresponding between female die block 105 with preset pieces 110, the first elasticity parts 111 are arranged in this groove, and the first elasticity parts 111 are spring or torsion spring, it is also possible to be resilient rubbber cushion.

Be respectively arranged with, due on the side that female die block 105 is corresponding with orienting lug 109, the inclined-plane cooperatively interacted, in the process that female die block 105 moves horizontally, the inclined-plane of female die block 105 all the time with the chamfered portion of orienting lug 109 or all contact. During die sinking, starting position is returned at female die block 105, namely when female die block 105 is moved horizontally to the most far-end away from preset pieces 110, the lower end on female die block 105 inclined-plane and the upper end on orienting lug 109 inclined-plane contact with each other, this just can guarantee bending mould upper once close mould time, female die block 105 can be produced effective thrust by the inclined-plane of orienting lug 109 in the horizontal direction so that it is move horizontally to the direction near preset pieces 110.

In the bending mould of this kind of structure, engagement part is that female die block 105 is in the part protruded near retaining plate side, being be fixedly connected with between engagement part and female die block 105, it is preferable to engagement part and female die block 105 are one-body molded, certain engagement part and female die block 105 can also be split structures. The other end of engagement part sticks into the first chute 112, and is limited in the first chute 112. Under the effect of the first elasticity parts 111 restorer, can slide to the direction level away from strongback relative to upper mounted plate 107 in engagement part; Under the thrust that female die block 105 is produced by orienting lug 109 inclined-plane, can slide to the direction level near strongback relative to upper mounted plate 107 in engagement part. Owing to being fixedly connected with between engagement part and female die block 105, therefore engagement part drives female die block 105 to move horizontally in the process slided, and under the effect of pressing machine, has coordinated the bending machining to workpiece 114 with punch 103.

Owing to being fixedly connected with between engagement part with female die block 105, good stability, female die block 105 arbitrarily can slide relative to upper mounted plate 107 so that the fitness between female die block 105 and punch 103 is extremely high, and the sustainability of processing parts is strong. And contact area between engagement part and female die block 105 is big so that upper mounted plate 107 can be good at supporting female die block 105, female die block 105 is avoided to produce more long afterwards in working life loosening, thus the product precision making processing is not high.

In addition, present embodiment provides the slip mechanism of another kind of distortion: fixed plate 107 is provided with the first salient 123, described female die block 105 is being provided with the 2nd salient 124 near retaining plate side, described first salient 123 and the 2nd salient 124 form described slip mechanism, and described first salient 123 and the 2nd salient 124 cooperatively interact.

First salient 123 is the part that upper mounted plate 107 protrudes, and is fixedly connected with therebetween, in some preferred embodiments, and the two structure being formed in one. Also it is fixedly connected with between 2nd salient 124 and female die block 105. First salient 123 can and upper mounted plate 107 between form chute, the end of the 2nd salient 124 can be buckled in above-mentioned chute, simultaneously, the end of the first salient 123 is also the equal of imbed in female die block 105 so that the first salient 123 and the 2nd salient 124 form close-fitting slip mechanism.

Preferably, described orienting lug 109 is provided with trilateral strengthening rib 113 in the side away from punch 103. The strengthening rib 113 of trilateral can improve the rigidity of orienting lug 109, avoids in when punching press, and orienting lug 109 moves horizontally, and causes the spacing of female die block 105 and punch 103 to exceed the width of processing work 114, thus affects guiding accuracy.

The bending mould of said structure can the working (machining) efficiency of obvious improving product. But being fixedly connected with between orienting lug 109 with punch 103, also can cause and coordinate slightly unstable between female die block 105 inclined-plane with orienting lug 109 inclined-plane, and Given this, orienting lug 109 has been carried out further improvement again by contriver.

Described orienting lug 109 is slidably connected with lower die holder 102. when female die block 105 is raised under the drive of stamping machine, after being separated with orienting lug 109, the thrust away from punch 103 pieces that orienting lug 109 is subject to disappears, slide to punch 103 level under the effect of slide unit, when female die block 105 is descending, the top on contact guidance block 109 inclined-plane at first bottom on its inclined-plane, and coordinate with it, it is made to move to the direction away from punch 103, until arriving the most far-end of mobile range, now, the inclined-plane of orienting lug 109 coordinates completely with the inclined-plane of female die block 105, female die block 105 is made to be clamped between orienting lug 109 and preset pieces 110, thus coordinate with punch 103, complete the brake forming to workpiece 114. the bending mould of this kind of structure, the fitness between female die block 105 and orienting lug 109 is higher, and further improves guiding accuracy.

Further, described lower die holder 102 has been offered the 2nd chute 117, described 2nd chute 117 is being installed with the 2nd elasticity parts 121 away from punch 103 one end, and the bottom of described orienting lug 109 is provided with the first slide block 120, and described first slide block 120 and the 2nd chute 117 cooperatively interact.

2nd chute 117 can be dovetail-indent or T-shaped groove, first slide block 120 intercalation is in the 2nd chute 117, can be free to slide, one end of 2nd elasticity parts 121 is fixed on the sidewall of the first chute 112 away from punch 103 one end, the other end of the 2nd elasticity parts 121 is towards the first slide block 120, when guide deflection sheave is subject to that the thrust of female die block 105 is backward to be moved away from punch 103 direction, compress the 2nd elasticity parts 121, when this thrust reduces gradually, orienting lug 109 moves to the direction near punch 103 under the effect of the 2nd elasticity parts 121 force of compression, return to starting position.

Or, described lower die holder 102 has been offered the 2nd chute 117, described 2nd chute 117 is being installed with the 2nd elasticity parts 121 away from punch 103 one end, described upper die holder 101 is provided with slide unit 118, being provided with bottom slide unit 118 and the 2nd slide block 122 that the 2nd chute 117 phase is mated, described orienting lug is fixed on slide unit 118 by holding bolt 119. Upper die holder 101 arranges slide unit 118, sidewall at slide unit 118 is provided with holding bolt 119 along slide unit 118 length direction, screw this holding bolt 119, namely orienting lug is fixed on slide unit 118, being provided with bottom slide unit 118 and the slide block that the 2nd chute 117 mates, the 2nd slide block 122 is located in the 2nd chute 117. This kind utilizes slide unit 118 to realize being slidably connected between orienting lug 109 and lower die holder 102, and sliding effect is good so that orienting lug 109 is more accurate to the guide effect of female die block 105.

Preferably, it is provided with backing plate 116 between described lower retaining plate 108 and lower die holder 102. Backing plate 116 plays shock absorption, it is possible in minimizing, die holder 101 is to the impact of lower die holder 102, extends the work-ing life of this bending mould.

Further, also comprise pressing plate 115 and mould handle 106, mould handle 106 is arranged at above die holder 101, pressing plate 115 is slidably connected in preset pieces 110, pressing plate 115 upper surface is fixedly connected with makes bar 104, making bar 104 and be positioned at die holder 101 and mould handle 106, the upper surface of mould handle 106 is stretched out in the upper end making bar 104, beats bar 104 and upper die holder 101 and mould handle 106 running fit. Pressing plate 115 can when bending workpiece pressing 114, prevent workpiece 114 wrinkling, less workpiece 114 processing scrap rate.

For clearly demonstrating the utility model, present embodiment lists two specific embodiments:

Embodiment 1,

The bending mould that the present embodiment provides, comprise die holder 101 and lower die holder 102, described lower die holder 102 upper surface is installed with punch 103 by lower retaining plate 108, the lower surface of upper die holder 101 is provided with upper mounted plate 107, fixed plate 107 has been symmetrical arranged two female die block 105, it is provided with preset pieces 110 between two described female die block 105, preset pieces 110 is fixedly connected on the lower surface of die holder 101, the first elasticity parts 111 it are provided with between female die block 105 and preset pieces 110, lower die holder 102 is provided with two orienting lugs 109, described orienting lug 109 is symmetricly set in punch 103 both sides, described orienting lug 109 is respectively arranged with, near the position of the side of punch 103 and female die block 105 correspondence, the inclined-plane cooperatively interacted, it is provided with slip mechanism between described female die block 105 and upper mounted plate 107, described slip mechanism can make female die block 105 slide relative to upper mounted plate 107 level. described first chute 112 is opened on upper mounted plate 107, described female die block 105 is being provided with engagement part near retaining plate side, one end, described engagement part is fixed on female die block 105, the other end inserts the first chute 112 and cooperatively interacts with the first chute 112, and described first chute 112 forms described slip mechanism with described engagement part.

Embodiment 2,

The bending mould that the present embodiment provides, comprise die holder 101 and lower die holder 102, described lower die holder 102 upper surface is installed with punch 103 by lower retaining plate 108, the lower surface of upper die holder 101 is provided with upper mounted plate 107, fixed plate 107 has been symmetrical arranged two female die block 105, it is provided with preset pieces 110 between two described female die block 105, preset pieces 110 is fixedly connected on the lower surface of die holder 101, the first elasticity parts 111 it are provided with between female die block 105 and preset pieces 110, lower die holder 102 is provided with two orienting lugs 109, described orienting lug 109 is symmetricly set in punch 103 both sides, described orienting lug 109 is respectively arranged with, near the position of the side of punch 103 and female die block 105 correspondence, the inclined-plane cooperatively interacted, it is provided with slip mechanism between described female die block 105 and upper mounted plate 107, described slip mechanism can make female die block 105 slide relative to upper mounted plate 107 level.

Fixed plate 107 is provided with the first salient 123, described female die block 105 is being provided with the 2nd salient 124 near retaining plate side, described first salient 123 and the 2nd salient 124 form described slip mechanism, and described first salient 123 and the 2nd salient 124 cooperatively interact.

Lower die holder 102 has been offered the 2nd chute 117, described 2nd chute 117 is being installed with the 2nd elasticity parts 121 away from punch 103 one end, the bottom of described orienting lug 109 is provided with the first slide block 120, and described first slide block 120 and the 2nd chute 117 cooperatively interact.

Embodiment 3,

The bending mould that the present embodiment provides, comprise die holder 101 and lower die holder 102, described lower die holder 102 upper surface is installed with punch 103 by lower retaining plate 108, the lower surface of upper die holder 101 is provided with upper mounted plate 107, fixed plate 107 has been symmetrical arranged two female die block 105, it is provided with preset pieces 110 between two described female die block 105, preset pieces 110 is fixedly connected on the lower surface of die holder 101, the first elasticity parts 111 it are provided with between female die block 105 and preset pieces 110, lower die holder 102 is provided with two orienting lugs 109, described orienting lug 109 is symmetricly set in punch 103 both sides, described orienting lug 109 is respectively arranged with, near the position of the side of punch 103 and female die block 105 correspondence, the inclined-plane cooperatively interacted, it is provided with slip mechanism between described female die block 105 and upper mounted plate 107, described slip mechanism can make female die block 105 slide relative to upper mounted plate 107 level. it is provided with backing plate 116 between described lower retaining plate 108 and lower die holder 102.

This mould also comprises pressing plate 115 and mould handle 106, mould handle 106 is arranged at above die holder 101, pressing plate 115 is slidably connected in preset pieces 110, pressing plate 115 upper surface is fixedly connected with makes bar 104, make bar 104 and it is positioned at die holder 101 and mould handle 106, the upper surface of mould handle 106 is stretched out in the upper end making bar 104, beats bar 104 and upper die holder 101 and mould handle 106 running fit.

Described lower die holder 102 has been offered the 2nd chute 117, described 2nd chute 117 is being installed with the 2nd elasticity parts 121 away from punch 103 one end, described upper die holder 101 is provided with slide unit 118, being provided with bottom slide unit 118 and the 2nd slide block 122 that the 2nd chute 117 phase is mated, described orienting lug is fixed on slide unit 118 by holding bolt 119.

The foregoing is only preferred implementation of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. bending mould, it is characterized in that, comprise die holder and lower die holder, described lower die holder upper surface is installed with punch by lower retaining plate, the lower surface of upper die holder is provided with upper mounted plate, fixed plate has been symmetrical arranged two female die block, it is provided with preset pieces between two described female die block, preset pieces is fixedly connected on the lower surface of die holder, the first elasticity parts it are provided with between female die block and preset pieces, lower die holder is provided with two orienting lugs, described orienting lug is symmetricly set in punch both sides, the position that described orienting lug is corresponding near the side of punch and female die block is respectively arranged with the inclined-plane cooperatively interacted, slip mechanism it is provided with between described female die block and upper mounted plate, described slip mechanism can make female die block slide relative to upper mounted plate level.

2. bending mould according to claim 1, it is characterised in that, described slip mechanism comprises the first chute and pulley, and described first chute is opened on upper mounted plate, and described pulley is arranged on the sidewall of female die block, and described pulley and the first chute cooperatively interact.

3. bending mould according to claim 2, it is characterized in that, described first chute is opened on upper mounted plate, described female die block is being provided with engagement part near retaining plate side, one end, described engagement part is fixed on female die block, the other end inserts the first chute and cooperatively interacts with the first chute, and described first chute and described engagement part form described slip mechanism.

4. bending mould according to claim 1, it is characterized in that, fixed plate is provided with the first salient, described female die block is being provided with the 2nd salient near retaining plate side, described first salient and the 2nd salient form described slip mechanism, and described first salient and the 2nd salient cooperatively interact.

5. bending mould according to claim 1, it is characterised in that, described orienting lug is provided with trilateral strengthening rib in the side away from punch.

6. bending mould according to claim 1, it is characterised in that, described orienting lug and lower die holder are slidably connected.

7. bending mould according to claim 6, it is characterized in that, described lower die holder has been offered the 2nd chute, described 2nd chute is being installed with the 2nd elasticity parts away from punch one end, the bottom of described orienting lug is provided with the first slide block, and described first slide block and the 2nd chute cooperatively interact.

8. bending mould according to claim 6, it is characterized in that, described lower die holder has been offered the 2nd chute, described 2nd chute is being installed with the 2nd elasticity parts away from punch one end, described upper die holder is provided with slide unit, being provided with the 2nd slide block mated mutually with the 2nd chute bottom slide unit, described orienting lug is fixed on slide unit by holding bolt.

9. bending mould according to claim 1, it is characterised in that, it is provided with backing plate between described lower retaining plate and lower die holder.

10. bending mould according to claim 1, it is characterized in that, also comprise pressing plate and mould handle, mould handle is arranged at above die holder, pressing plate is slidably connected in preset pieces, and pressing plate upper surface is fixedly connected with makes bar, makes bar and is positioned at die holder and mould handle, the upper surface of mould handle is stretched out in the upper end making bar, beats bar and upper die holder and mould handle running fit.