CN109821981A

CN109821981A - Mold

Info

Publication number: CN109821981A
Application number: CN201910252071.3A
Authority: CN
Inventors: 田沃土
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-05-31
Anticipated expiration: 2039-03-29
Also published as: CN109821981B

Abstract

The invention discloses a kind of molds, for workpieces processing, including cope plate and lower template, the cope plate and the lower template are equipped with upper die forming block and lower die forming blocks in opposite directions respectively, the lower die forming blocks are for placing the workpiece, it is located at lower die forming blocks two sides in the lower template and is equipped with transverse shear stress block, the transverse shear stress block is equipped with guide groove, the cope plate corresponds to the guide groove equipped with wedge block, when the wedge block, which extends downwardly into, to be slided in the guide groove, two transverse shear stress blocks are moved toward one another.When upper die forming block pushes, wedge block can also move together with upper die forming block, and wedge block can push transverse shear stress block to move simultaneously, enable the mold simultaneously or successively to realize the width of workpiece is modified and formed, without additionally using other molds, process time is shortened, production cost is reduced.

Description

Mold

Technical field

The present invention relates to stamping technology fields, more particularly to a kind of mold.

Background technique

With advances in technology with the promotion of people's living standard, people are also increasing to the demand of product, production Producer then needs to improve production efficiency.

The punching press or punching of product mostly use the mold of designated shape, and existing punching course is generally divided into two steps: first Step carries out the finishing of width using punching machine and mold to workpiece；Second step carries out arc to workpiece using another punching machine and mold The molding of degree.Use above-mentioned steps can be by work pieces process for specified size and shape.

It is existing that two steps need to be used to work pieces process, and two sets of different molds need to be used, on the one hand increase processing work Sequence, process time is longer, and on the other hand, two molds can generate extra-pay, increase production cost.

Summary of the invention

An object of the present invention is to provide a kind of one-time formed molds of energy.

A kind of mold, is used for workpieces processing, including cope plate and lower template, and the cope plate and the lower template distinguish phase To upper die forming block and lower die forming blocks are equipped with, the lower die forming blocks are located in the lower template for placing the workpiece Lower die forming blocks two sides are equipped with transverse shear stress block, and the transverse shear stress block is equipped with guide groove, and the cope plate is corresponding The guide groove is equipped with wedge block, when the wedge block, which extends downwardly into, to be slided in the guide groove, two transverse shear stress Block moves toward one another.

The mold proposed according to the present invention, when upper die forming block pushes, wedge block also can be with upper die forming block together Movement, and wedge block can push transverse shear stress block to move simultaneously, enable the mold simultaneously or successively realize to repair the width of workpiece Whole and molding shortens process time, reduces production cost without additionally using other molds.

In addition, the mold provided according to the present invention, can also have the following additional technical features:

Further, the transverse shear stress block connects return unit, and the return unit is for driving the transverse shear stress block multiple Position.

Further, the transverse shear stress block is equipped with fixed block, the return unit far from the side of the lower die forming blocks Including bolt and spring, the bolt passes through the fixed block and connect with the transverse shear stress block, the bolt and the fixation Block is slidably matched, and the spring is set on the bolt, and one end of the spring is fixedly connected with the bolt, the other end with The fixed block contact.

Further, impeller-hub is equipped in the guide groove, the impeller-hub is equipped with axle sleeve, and the axle sleeve is used for and institute State wedge block contact.

Further, the contact surface of the wedge block and the guide groove inner wall is cambered surface, and the cambered surface is from the wedge The bottom end of shape block upwardly extends.

Further, the corresponding central angle of the cambered surface is 3~10 degree.

Further, in the lower template, it is equipped with locating piece positioned at one end of the lower die forming blocks, the other end is equipped with The line of centres of damping assembly, the locating piece and the damping assembly is connect with the center of the transverse shear stress block mutually to hang down Directly.

Further, the damping assembly includes shell and damping ring, and the appearance of the shell is arranged in the damping ring Face.

Further, the damping assembly is corresponded in the lower template equipped with sliding slot, the damping assembly and the sliding slot It is slidably matched, sets resilient bar towards the damping assembly on the inner wall of the sliding slot, described time power bar is for driving described subtract Vibration component is moved towards the lower die forming blocks.

Further, the enclosure interior and side are respectively equipped with type chamber and via hole, and the via hole is connected to the type chamber, Described time power bar passes through the via hole and protrudes into that the type is intracavitary, and the top of the shell is equipped with locating rod, and the locating rod is from upper It is intracavitary that the type is protruded under, and is slidably matched with the shell, and described time power bar is equipped with locating slot upward, the locating slot Side wall is vertical plane, and the cross section of the locating rod is circle, and the side of the locating rod includes vertical plane and lozenges, works as institute When stating the side wall of vertical plane and the locating slot and contacting, the relative position between the locating rod and described time power bar is fixed, when When the lozenges and the locating slot contact, produced relative sliding between the locating rod and described time power bar.

Beneficial effects of the present invention include at least:

(1) it can simultaneously or successively realize and the width finishing and molding of workpiece are shortened without additionally using other molds Process time reduces production cost；

(2) position of damping assembly can be adjusted at any time, can be switched fast between workpiece clamping and releasing to clamp.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 is the partial cross-sectional structural diagram of the mold of first embodiment of the invention；

Fig. 2 is the vertical view schematic cross-sectional view of mold in Fig. 1；

Fig. 3 is the diagrammatic side-view cross-sectional structural schematic diagram of damping assembly in Fig. 2；

Fig. 4 is the schematic cross-sectional view along mandril of the mold of second embodiment of the invention；

In figure: 1- cope plate, 11- upper die forming block, 111- cut off knife, 12- wedge block, 2- lower template, mold forming under 21- Block, 213- spring, 22- transverse shear stress block, 23- guide groove, 24- return unit, 241- spring, 25- impeller-hub, 251- axle sleeve, 26- Damping assembly, 261- shell, 262- damping ring, 263- locating rod, 264- type chamber, 265- via hole, 27- locating piece, 271- spring, 272- convex block, 28- sliding slot, 281- return power bar, 282- locating slot, 29- fixed block, 3- workpiece, 4- stripper.

Specific embodiment

To keep objects, features and advantages of the present invention more obvious and easy to understand, with reference to the accompanying drawing to tool of the invention Body embodiment is described in detail.Several embodiments of the invention are given in attached drawing.But the present invention can be with many not With form realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to this The disclosure of invention is more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be Concrete meaning in bright.Term " and or " used herein include the arbitrary of one or more relevant listed items and All combinations.

Fig. 1 and Fig. 2 are please referred to, the first embodiment of the present invention proposes a kind of mold, is used for workpieces processing 3, including upper mold Plate 1 and lower template 2.

Specifically, the cope plate 1 and the lower template 2 are equipped with upper die forming block 11 and lower die forming blocks in opposite directions respectively 12, the lower die forming blocks 12 are used to place the workpiece 3, and it is equal to be located at 21 two sides of lower die forming blocks in the lower template 2 Equipped with transverse shear stress block 22, the transverse shear stress block 22 is equipped with guide groove 23, and the corresponding guide groove 23 of the cope plate 1 is set There is wedge block 12, when the wedge block 12, which extends downwardly into, to be slided in the guide groove 23, two 22 phases of transverse shear stress block To movement.

It is an advantage of the present invention that wedge block 12 also can be 11 piece one with upper die forming when upper die forming block 11 pushes Movement is played, and wedge block 12 can push transverse shear stress block 22 to move simultaneously, and the mold is enable simultaneously or successively to realize to workpiece 3 Width finishing and molding shorten process time, reduce production cost without additionally using other molds.

Preferably, the transverse shear stress block 22 connects return unit 24, and the return unit 24 is for driving the transverse shear stress Block 22 resets, then when that can separate automatically with workpiece after processing is completed to workpiece 3, convenient for ejecting workpiece 3.

Specifically, the transverse shear stress block 22 is equipped with fixed block 29 far from the side of the lower die forming blocks 21, it is described multiple Position part 24 includes bolt and spring 241, and the bolt passes through the fixed block 29 and connect with the transverse shear stress block 22, the spiral shell Bolt is slidably matched with the fixed block 29, and the spring 241 is set on the bolt, one end of the spring 241 with it is described Bolt is fixedly connected, and the other end is contacted with the fixed block 29,.

It is understood that spring 241 can generate elastic potential by compression when transverse shear stress block 22 moves toward one another Can, when wedge block 12 is separated with transverse shear stress block 22, spring 241 will drive transverse shear stress block 22 and automatically reset.

Preferably, it is equipped with impeller-hub 25 in the guide groove 23, the impeller-hub 25 is equipped with axle sleeve 251, the axle sleeve 251 with the wedge block 12 for contacting, and when wedge block 12 moves downward, wedge block 12 can rub with axle sleeve 251, this When axle sleeve 251 can opposite impeller-hub 25 rotate, directly generate sliding with 23 inner wall of guide groove compared with wedge block 12, frictional force is big It is big to reduce.Furthermore it is also possible to which bearing is arranged between axle sleeve 251 and impeller-hub 25, frictional force is further reduced.

Specifically, the contact surface of the wedge block 12 and 23 inner wall of guide groove is cambered surface, the cambered surface is from described The bottom end of wedge block 12 upwardly extends, and in the present embodiment, the corresponding central angle of the cambered surface is 6 degree.

In other embodiments, the corresponding central angle of cambered surface may be 3~10 degree of any number.

In actual production, when central angle is less than 6 degree, the transverse component that will lead to the generation of transverse shear stress block 22 is insufficient, repairs Whole effect is poor；When central angle is greater than 6 degree, the excessive by vertical power of transverse shear stress block 22 will lead to, wherein impeller-hub 25 It can do sth. in advance to be broken because of excess load.

Specifically, being equipped with locating piece 27, the other end positioned at one end of the lower die forming blocks 21 in the lower template 2 Equipped with damping assembly 26, the center of the line of centres of the locating piece 27 and the damping assembly 26 and the transverse shear stress block 22 Connection is mutually perpendicular to, then when carrying out punching press, two transverse shear stress blocks 22 and locating piece 72, damping assembly 26 can press from both sides workpiece 3 Tightly, prevent it from shifting.

Referring to Fig. 3, further, the damping assembly 26 includes shell 261 and damping ring 262, the damping ring 262 are arranged in the outer surface of the shell 261, and the damping assembly 26 is corresponded in the lower template 2 and is equipped with sliding slot 28, described to subtract Vibration component 26 is slidably matched with the sliding slot 28, sets resilient bar towards the damping assembly 26 on the inner wall of the sliding slot 28 281, described time power bar 281 is for driving the damping assembly 26 to move towards the lower die forming blocks 21.

It should be pointed out that returning power bar 281 is that one end is connected with the rod-like structure of brute spring, when damping assembly 26 with When returning the connection of power bar 281, returning power bar 281 can drive damping assembly 26 to move towards lower die forming blocks 21, to clamp workpiece 3.

Specifically, the inside and side of the shell 261 are respectively equipped with type chamber 264 and via hole 265,265 He of via hole The type chamber 264 is connected to, and described time power bar 281 passes through the via hole 265 and protrude into the type chamber 264, the top of the shell 261 Portion is equipped with locating rod 263, and the locating rod 263 is protruded into from top to bottom in the type chamber 264, and matches with the shell 261 sliding It closes, described time power bar 281 is equipped with locating slot 282 upward, and the side wall of the locating slot 282 is vertical plane, and the locating rod 263 is Cylindrical-shaped structure, the side of the locating rod 264 includes vertical plane and lozenges, when the vertical plane and the locating slot 282 Side wall contact when, the relative position between the locating rod 263 and described time power bar 281 is fixed, when the lozenges and institute When stating the contact of locating slot 282, produced relative sliding between the locating rod 263 and described time power bar 281.

It should be noted that when locating rod 263 can be inserted into locating slot 282 and vertical plane and locating slot 282 contact, it can Using artificial or other power adjustment damping assemblies 26 position, opposite transport will not occur with locating slot 282 for locating rod 263 at this time It is dynamic；When rotational positioning bar 263, when contacting its lozenges and locating slot 282, under conditions of other no external force, locating rod 263 can occur relative motion with locating slot 282, are detached from locating rod 263 with locating slot 282 automatically, realize to workpiece 3 It releases and clamps.

The second embodiment of the present invention proposes a kind of mold, and the present embodiment is almost the same with first embodiment, difference It is:

It is additionally provided with cutting head knife 111 referring to Fig. 4, being additionally provided with above locating piece 27 on upper die forming block 11, cutting head is arrived 111 fitting upper die forming blocks 11 are arranged, and there are certain gaps between locating piece 27 and lower die forming blocks 21, then cutting head knife can be used It modifies part of 111 pairs of workpiece 3 between the gap；

In addition, being located in lower die 2, locating piece 27 is equipped with stripper 4 far from the side of lower die forming blocks 21, and stripper 4 is Using the molding lever construction of shaft, the lower end of locating piece 27 is equipped with spring 271, and one side is equipped with convex block 272, and convex block 272 In 4 lower section of stripper, for being contradicted with stripper 4.

Preferably, in the present embodiment, stripper 4 is divided into two parts by line of demarcation of shaft, wherein close to locating piece 27 Part it is heavier compared with another part.

It should be noted that can be supported to locating piece 27 when cutting head knife 111 is moved downward and is punched out to workpiece 3 Touching, locating piece 27 move down, and stripper 4 can also rotate towards locating piece 27 under gravity, be cut by cutting head knife 111 The waste material come can be fallen on stripper 4；

In die sinking, cutting head knife 111 is separated with locating piece 27, and locating piece 27 moves up under the action of spring 271, while convex Block 272 will drive stripper 4 and rotate towards remotely located piece 27 of direction, since die sinking process can be completed at 1~2 second, One end of stripper 4 can obtain an instantaneous thrust, and the waste material being located on stripper 4 is dished out, prevents waste from stacking from unloading On flitch 4.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims

1. a kind of mold, be used for workpieces processing, including cope plate and lower template, which is characterized in that the cope plate and it is described under Template is equipped with upper die forming block and lower die forming blocks in opposite directions respectively, and the lower die forming blocks are for placing the workpiece, under described It is located at lower die forming blocks two sides in template and is equipped with transverse shear stress block, the transverse shear stress block is equipped with guide groove, described Cope plate corresponds to the guide groove equipped with wedge block, when the wedge block, which extends downwardly into, to be slided in the guide groove, the cross It is moved toward one another to crushing block.

2. mold according to claim 1, which is characterized in that the transverse shear stress block connects return unit, the return unit For driving the transverse shear stress block reset.

3. mold according to claim 2, which is characterized in that the transverse shear stress block far from the lower die forming blocks one Side is equipped with fixed block, and the return unit includes bolt and spring, and the bolt passes through the fixed block and the transverse shear stress block Connection, the bolt are slidably matched with the fixed block, and the spring is set on the bolt, one end of the spring and institute It states bolt to be fixedly connected, the other end is contacted with the fixed block.

4. mold according to claim 1, which is characterized in that impeller-hub is equipped in the guide groove, on the impeller-hub Equipped with axle sleeve, the axle sleeve with the wedge block for contacting.

5. mold according to claim 1, which is characterized in that the contact surface of the wedge block and the guide groove inner wall is Cambered surface, the cambered surface are to upwardly extend from the bottom end of the wedge block.

6. mold according to claim 5, which is characterized in that the corresponding central angle of the cambered surface is 3~10 degree.

7. mold according to claim 1, which is characterized in that in the lower template, positioned at the lower die forming blocks One end is equipped with locating piece, and the other end is equipped with damping assembly, the line of centres and the cross of the locating piece and the damping assembly It is mutually perpendicular to the connection of the center of crushing block.

8. mold according to claim 7, which is characterized in that the damping assembly includes shell and damping ring, described to subtract The outer surface of the shell is arranged in vibration circle.

9. mold according to claim 8, which is characterized in that correspond to the damping assembly in the lower template and be equipped with cunning Slot, the damping assembly are slidably matched with the sliding slot, set resilient bar towards the damping assembly on the inner wall of the sliding slot, Described time power bar is for driving the damping assembly to move towards the lower die forming blocks.

10. mold according to claim 9, which is characterized in that the enclosure interior and side are respectively equipped with type chamber and mistake Hole, the via hole are connected to the type chamber, and described time power bar passes through the via hole and protrude into that the type is intracavitary, the top of the shell Equipped with locating rod, it is intracavitary that the locating rod protrudes into the type from top to bottom, and is slidably matched with the shell, described time power bar court It is equipped with locating slot, the side wall of the locating slot is vertical plane, and the cross section of the locating rod is circle, the side of the locating rod Face includes vertical plane and lozenges, when the side wall of the vertical plane and the locating slot contacts, the locating rod and described time Relative position between power bar is fixed, when the lozenges is contacted with the locating slot, the locating rod and described time power bar Between produce relative sliding.