CN109647969A - Punch device, stamping equipment and hole-punching method - Google Patents
Punch device, stamping equipment and hole-punching method Download PDFInfo
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- CN109647969A CN109647969A CN201910002164.0A CN201910002164A CN109647969A CN 109647969 A CN109647969 A CN 109647969A CN 201910002164 A CN201910002164 A CN 201910002164A CN 109647969 A CN109647969 A CN 109647969A
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- punching
- processed
- limit column
- travel
- punch device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention provides a kind of punch device, stamping equipment and hole-punching methods, solve three Sheet Metal Forming Technologies of the prior art, due to resetting caused by product empty position deviate, cause client's assembly difficulty, influence client use the problem of.A kind of hole-punching method based on stamping equipment provided by the embodiment of the present invention, comprising: import raw pieces to be processed on the type chamber of the raw pieces to be processed of the carrying in the stamping die；The die height is adjusted by adjusting the height of at least one described upper limit column and at least one lower limit column；It is moved using the type chamber that the press machine drives the punch device towards the carrying raw pieces to be processed, until at least one described upper limit column contacts with each other at least one described lower limit column；And the punch device is driven to draw off the raw pieces to be processed after punching press from the stamping die far from the type chamber of the carrying raw pieces to be processed by the press machine.
Description
Technical field
The present invention relates to technical fields of mechanical processing, and in particular to a kind of punch device, stamping equipment and hole-punching method.
Background technique
Power battery is the developing direction of new-energy automobile and energy-accumulating power station, and wherein power battery will by laser welding
Connection component links together, and to have identification chamfering when laser welding.It is rushed in general, being formed containing what the punching with chamfering used
Pressure method needs three punching presses, i.e. punching press bottom outlet, punching chamfers and fine cut circular hole, three step process for stamping can repeat punching
Positioning, causes the empty position of punching to deviate, to make client's assembly difficulty, influences the use of client；Meanwhile three step punching press can make
Punching press is carried out respectively with three formed punches, to improve cost, and reduces production efficiency.
Summary of the invention
In view of this, the embodiment of the present invention is dedicated to providing a kind of punch device, stamping equipment and hole-punching method, to solve
In the prior art due to resetting caused by punching empty position offset.
First aspect present invention provides a kind of punch device, including punching head；Wherein, the punching head includes along punching
Chamfering molded component, punched part and the preform part that head direction of travel is arranged successively.
In one embodiment, the sum of the thickness of the punched part and the thickness of the chamfering molded component are greater than to be added
The thickness of work raw pieces.
In one embodiment, the face of the preform part maximum cross section vertical with the punching head direction of travel
Product is less than the area of the punched part minimum cross-section vertical with the punching head direction of travel；The punched part and institute
The area for stating the vertical maximum cross section of punching head direction of travel is less than or equal to the chamfering molded component and the punching head row
The area of the minimum cross-section vertical into direction.
In one embodiment, the shape packet of the preform part vertical section parallel with the punching head direction of travel
Include any one in following shape: rectangular, triangle, trapezoidal；And/or the punched part and the punching head traveling side
Shape to parallel vertical section includes rectangular；And/or the chamfering molded component is parallel with the punching head direction of travel
The shape of vertical section includes trapezoidal.
In one embodiment, the shape of the preform part vertical section parallel with the punching head direction of travel is
It is rectangular；The shape of the punched part vertical section parallel with the punching head direction of travel is rectangular；It is shaped with the chamfering
The shape of the component vertical section parallel with the punching head direction of travel is trapezoidal.
In one embodiment, further includes: jumper bar and jumper bar seat, wherein the punching head and the jumper bar seat are separately connected
At the both ends of the jumper bar；Wherein, the preform part, the punched part, the chamfering molded component, the jumper bar with
And the jumper bar seat is through one polishing molding.
Second aspect of the present invention provides a kind of stamping equipment, comprising: punch device mentioned above；Press machine, institute
Press machine is stated for controlling the elevating movement for driving the punch device；And stamping die；Wherein, the stamping die tool
Body includes: upper mold portion, including upper die holder, upper padding plate, upper clamp plate and the concave template set gradually along punching head direction of travel,
In, the upper clamp plate is provided with the type chamber of raw pieces movement to be processed for fixing the punch device on the concave template；Under
Mould portion, including set gradually along the punching head direction of travel external stripping plate, lower clamp plate, be correspondingly arranged with the concave template it is convex
Mould, lower bolster and lower die holder, wherein the type chamber for carrying the raw pieces to be processed is provided in the external stripping plate；It is described outer de-
Plate and the lower clamp plate pass through at least two discharging screw connections, are provided at least two on the lower clamp plate and the lower bolster
Through-hole, at least two dischargings screw are arranged at least two through-hole on the lower clamp plate and the lower bolster；
It is provided with the through-hole that at least two be correspondingly arranged at least two dischargings screw include spring on the lower die holder, is used for
Form the path that at least two dischargings screw moves up and down；The punch-pin is provided on the external stripping plate and the lower clamp plate
The type chamber of movement；And position-limit mechanism, for limiting die height.
In one embodiment, position-limit mechanism includes: at least one upper limit column, is arranged on the upper die holder；And
At least one lower limit column being correspondingly arranged at least one described upper limit column, setting is on the lower die holder；Wherein, work as institute
Upper die holder and the lower die holder are stated under the action of the press machine when die closing, at least one described upper limit column and it is described extremely
A few lower limit column contacts with each other.
Third aspect present invention provides a kind of hole-punching method based on stamping equipment mentioned above, comprising: will be to be added
Work raw pieces import on the type chamber of the raw pieces to be processed of the carrying in the stamping die；By adjusting it is described at least
The height of one upper limit column and at least one lower limit column adjusts the die height；It is driven using the press machine
The type chamber movement of the punch device towards the carrying raw pieces to be processed is moved, until at least one described upper limit column
It contacts with each other at least one described lower limit column；And the punch device is driven to hold far from described by the press machine
The type chamber for carrying the raw pieces to be processed draws off the raw pieces to be processed after punching press from the stamping die.
In one embodiment, described by adjusting at least one described upper limit column and at least one described lower limit column
Height adjust the ruler that the die height includes: the size and theoretical punching according to the actual punching after measurement punching press
Error between very little passes through the surface of at least one upper limit column and/or the table of at least one lower limit column of polishing
The mode in face reduces the die height；Or size and the theory according to the actual punching after the measurement punching press
Punching size between error, by being filled out between at least one described upper limit column and at least one described lower limit column
The mode of gasket is filled to increase the die height.
A kind of punch device, stamping equipment provided by the embodiment of the present invention and hole-punching method, according to user's difference
Use demand, treated on stamping equipment by using the punch device of different chamfer dimesions the part that processes raw material carry out once it is fixed
Position punching press to not only avoid the empty position offset of punching, but also is reduced costs, is improved to realize the punching of required size
Production efficiency.
Detailed description of the invention
Fig. 1 show the punch device provided by one embodiment of the present invention vertical section parallel with punching head direction of travel
Structural schematic diagram.
Fig. 2 show the thickness and chamfering molded component of the punched part of punch device provided by one embodiment of the present invention
The sum of thickness be greater than raw pieces to be processed thickness relationship structural schematic diagram.
Fig. 3 show the thickness and chamfering molded component of the punched part of punch device provided by one embodiment of the present invention
The sum of thickness be less than raw pieces to be processed thickness relationship structural schematic diagram.
Fig. 4 show the thickness and chamfering forming section of the punched part of the punch device of another embodiment of the present invention offer
The sum of thickness of part is less than the structural schematic diagram of the relationship of the thickness of raw pieces to be processed.
Fig. 5 show the structural schematic diagram of punching provided by one embodiment of the present invention.
Fig. 6 show the structural schematic diagram of the punching of another embodiment of the present invention offer.
Fig. 7 show the punch device vertical section parallel with punching head direction of travel of another embodiment of the present invention offer
Structural schematic diagram.
Fig. 8 show punch device that another of the invention embodiment the provides vertical section parallel with punching head direction of travel
Structural schematic diagram.
Fig. 9 show the structural schematic diagram of stamping equipment provided by one embodiment of the present invention.
Figure 10 show the schematic flow chart of hole-punching method provided by one embodiment of the present invention.
Figure 11 be stamping equipment provided by one embodiment of the present invention upper die holder and lower die holder die closing when position-limit mechanism,
The structural schematic diagram of the position of punch device and stock piece to be processed.
Position restrainer when Figure 12 is the upper die holder and lower die holder die closing for the stamping equipment that another embodiment of the present invention provides
The structural schematic diagram of the position of structure, punch device and stock piece to be processed.
Figure 13 is the knot of the relative positional relationship of raw pieces to be processed provided by one embodiment of the present invention and punch device
Structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 show perpendicular section parallel with the punching head direction of travel of punch device provided by one embodiment of the present invention
The structural schematic diagram in face.
The punch device includes punching head 13, wherein punching head 13 include be arranged successively along punching head direction of travel fall
Angle molded component 131, punched part 132 and preform part 133.It should be appreciated that punching head direction of travel refers to punch device
The direction moved to raw pieces to be processed, i.e., the direction from top to bottom as shown in Figure 1 from jumper bar seat 11 to punching head 13.
It should be appreciated that preform part 133 is first during the punching head 13 is advanced to raw pieces to be processed
The component contacted with raw pieces to be processed, preform part first puncture raw pieces to be processed, penetrate raw pieces shape to be processed
It is less than the pre-formed hole of punch size at a size, is convenient for the blanking process of punched part in this way, makes the essence of punching to be formed
Du Genggao；After preform part penetrates raw pieces to be processed, punched part 132 is second and contacts with raw pieces to be processed
Component, punched part treat the part that processes raw material on the basis of above-mentioned pre-formed hole and carry out processing punching, penetrate raw material to be processed
Part, and cover entire pre-formed hole to form the punching without chamfering that a size is greater than pre-formed hole；When punched part penetrates
After raw pieces to be processed, chamfering molded component is the component that third is contacted with raw pieces to be processed, it should be noted that here
The chamfering molded component mentioned is the component of a truncated conical shape, and chamfering molded component does not penetrate raw pieces to be processed, only
Treated on the basis of the punching of no chamfering process raw material part carry out chamfering, make the biggish surface of the area of chamfering molded component with
Raw pieces to be processed it is concordant, the lesser surface of area is in contact with the punching of no chamfering, and chamfering molded component is by no chamfering
A part covering of punching forms an apical pore with chamfering, and the apical pore with chamfering and the bottom outlet without chamfering combine shape
At the punching of required chamfer dimesion.In general, completing a punching with chamfering, generally three need to be carried out using three punch devices
Punching press is walked, thus needing to configure three punch devices could complete, and the embodiment of the present invention only needs to configure a formed punch dress
The process that three step punching presses mentioned above can be completed by the method for a punching press is set, chamfer dimesion needed for being formed rushes
Hole to not only reduce costs, but also improves production efficiency.
Fig. 2 show the thickness and chamfering molded component of the punched part of punch device provided by one embodiment of the present invention
The sum of thickness be greater than raw pieces to be processed thickness relationship structural schematic diagram.Fig. 3 show one embodiment of the invention
The sum of thickness and the thickness of chamfering molded component of the punched part of the punch device of offer are less than the thickness of raw pieces to be processed
Relationship structural schematic diagram.Fig. 4 show the thickness of the punched part of the punch device of another embodiment of the present invention offer
It is less than the structural schematic diagram of the relationship of the thickness of raw pieces to be processed with the sum of the thickness of chamfering molded component.Herein, it is punched
The sum of the thickness of component 132 and the thickness of chamfering molded component 131 H1 are greater than the thickness H2 of raw pieces to be processed.
It should be appreciated that in order to stamp out the punching of required size, then the thickness of punched part and chamfering molded component
The sum of thickness H1 needs the thickness H2 greater than raw pieces to be processed otherwise just to will appear one of following situations: such as Fig. 3 institute
Show, the shape of chamfering molded component has been formed, but there is no be pierced by raw pieces to be processed completely for punched part；Such as Fig. 4 institute
Show, punched part is pierced by raw pieces to be processed completely, but the marginal trough of the separate punched part of chamfering molded component to
It processes raw material in part, is formed by above chamfering and will appear a step.Meanwhile the thickness of chamfering molded component should be less than
The thickness of raw pieces to be processed is not intended to limit the thickness of preform part herein.
Fig. 5 show the structural schematic diagram of punching provided by one embodiment of the present invention.Fig. 6 show the present invention another
The structural schematic diagram for the punching that embodiment provides.Herein, the maximum vertical with punching head direction of travel of preform part 133 is horizontal
The area in section is less than the area of the minimum cross-section vertical with punching head direction of travel of punched part 132；Punched part 132 with
The area of the vertical maximum cross section of punching head direction of travel is less than or equal to chamfering molded component 131 and punching head direction of travel hangs down
The area of straight minimum cross-section.
It should be appreciated that the cross section vertical with punching head direction of travel refers to the section perpendicular to paper.In order to stamp out
The punching of required size, then should just meet the maximum cross section vertical with punching head direction of travel of preform part 133
Otherwise the area that area is less than the minimum cross-section vertical with punching head direction of travel of punched part 132 works as preform part
The area of 133 maximum cross sections vertical with punching head direction of travel is less than or equal to chamfering molded component 131 and punching head is advanced
When the area of the vertical minimum cross-section in direction, it just will form the shape of punching as shown in Figure 5, that is, be formed by the bottom of punching
Hole is greater than the bottom outlet of the punching of required size, and practically necessary punch size is shown in dotted line；When preform part 133 and punching
It is vertical with punching head direction of travel most that the area of the vertical maximum cross section of hole head direction of travel is greater than chamfering molded component 131
When the area of small cross section, the punching of no chamfering as shown in FIG. 6 will form, so either which kind of punching is all unable to satisfy visitor
The normal use demand in family, and preform part does not penetrate raw pieces to be processed and forms a size less than punch size
Pre-formed hole, as soon as but directly form a biggish bottom outlet, it is higher also to form precision in this way in blanking process
Punching.
Meanwhile the area in addition to needing to meet the maximum cross section vertical with punching head direction of travel of preform part 133
The area of the minimum cross-section vertical with punching head direction of travel less than punched part 132, it is also necessary to meet punched part 132 with
The area of the vertical maximum cross section of punching head direction of travel is less than or equal to chamfering molded component 131 and punching head direction of travel hangs down
The area of straight minimum cross-section, otherwise, the height that just will form the apical pore of punching as shown in Figure 5 are less than rushing for required size
The height of the apical pore in hole, the size of practically necessary apical pore are shown in dotted line, or form rushing for no chamfering as shown in FIG. 6
Hole is also unable to satisfy the normal use demand of client.
Fig. 7 show another embodiment of the present invention offer punch device it is parallel with the punching head direction of travel erect
The structural schematic diagram in section.Fig. 8 show the punch device and the punching head traveling side that another embodiment of the invention provides
To the structural schematic diagram of parallel vertical section.Herein, the shape of the preform part vertical section parallel with punching head direction of travel
Shape includes any one in following shape: rectangular, triangle, trapezoidal；And/or punched part and punching head direction of travel are put down
The shape of capable vertical section includes rectangular；And/or the shape of the chamfering molded component vertical section parallel with punching head direction of travel
Including trapezoidal.As can be seen from Figures 7 and 8, it is not intended to limit the shape of preform part here, except three kinds of shapes mentioned above
Outside, as long as the area of the preform part minimum cross-section vertical with punching head direction of travel is less than punched part and punching head row
The area of the minimum cross-section vertical into direction, ensure that in this way preform part rush out first one it is preforming
Hole keeps the precision for the punching to be formed higher convenient for the blanking process of punched part；Meanwhile can be different according to client use
Demand is adjusted the size and shape of punched part, can also be adjusted to the chamfer dimesion of chamfering molded component, with
Meet the use demand of client, be not intended to limit the size and shape of punched part herein, does not also limit chamfering molded component
Chamfer dimesion.
In one embodiment, specifically, the combination of shapes of each component of above-mentioned punching head can be in following manner
A kind of: the shape of the preform part vertical section parallel with punching head direction of travel can be rectangular, punched part and punching head
The shape of the parallel vertical section of direction of travel can be rectangular and parallel with punching head direction of travel chamfering molded component perpendicular section
The shape in face is trapezoidal；The shape of the preform part vertical section parallel with punching head direction of travel can also be trapezoidal, punching
The shape of the component vertical section parallel with punching head direction of travel can be rectangular and chamfering molded component and punching head traveling side
It is trapezoidal to the shape of parallel vertical section；The shape of the preform part vertical section parallel with punching head direction of travel can be with
To be trapezoidal, the shape of the punched part vertical section parallel with punching head direction of travel can for rectangular and chamfering molded component with
The shape of the parallel vertical section of punching head direction of travel is trapezoidal.It is not intended to limit the shape group of each component of punching head herein
It closes, can be specifically arranged according to the use demand of practical client.
In one embodiment, as shown in Figure 1, punch device further include: jumper bar 12 and jumper bar seat 11, wherein punching head 13
The both ends of jumper bar 12 are connected to jumper bar seat 11；Wherein, preform part 131, punched part 132, chamfering molded component
133, jumper bar 12 and jumper bar seat 11 are through one polishing molding.
Molding preform part, punched part, chamfering molded component, jumper bar it is to be appreciated that so-called one is polished
And jumper bar seat is the punch device comprising all parts mentioned above polished a whole block material and formed, and is compared
In the punch device of separate type, the molding punch device of one polishing is not necessarily to individually carry out the polishing and connection of each component, thus
Keep the manufacturing procedure to punch device more simple, at the same time it can also the use demand different according to user, changes formed punch dress
The shape and size for the punching head set, to complete the punching of different shape and size.
Fig. 9 show the structural schematic diagram of stamping equipment provided by one embodiment of the present invention.
The stamping equipment includes: punch device 905 mentioned above；Press machine, the press machine drive for controlling
Move the elevating movement of the punch device；And stamping die；
Wherein, the stamping die specifically includes:
Upper mold portion, including set gradually along punching head direction of travel upper die holder 901, upper padding plate 902, upper clamp plate 903 and
Concave template 904, wherein upper clamp plate 903 is provided with raw pieces movement to be processed for fixing punch device 905 on concave template 904
Type chamber 916；
Lower mold portion, including external stripping plate 907, lower clamp plate 908 and the concave template 904 set gradually along punching head direction of travel
Punch-pin 906, lower bolster 909 and the lower die holder 912 being correspondingly arranged, wherein carrying raw pieces to be processed are provided in external stripping plate 907
Type chamber；External stripping plate 907 is connect with lower clamp plate 908 by least two discharging screws 910, on lower clamp plate 908 and lower bolster 909
At least two through-holes are provided with, at least two through-holes on lower clamp plate 908 and lower bolster 909 are arranged at least two discharging screws
In；The through-hole 911 that at least two be correspondingly arranged at least two discharging screws 910 include spring is provided on lower die holder 912,
It is used to form the path of at least two discharging screws up and down motion；Punch-pin movement is provided in external stripping plate 907 and lower clamp plate 908
Type chamber；And position-limit mechanism, for limiting die height.
It should be appreciated that refer to the direction that punch device is moved towards lower mold portion along punching head direction of travel, i.e., it is as shown in Figure 9
Direction from top to bottom from upper mold portion to lower mold portion.Upper die holder, upper padding plate, the upper folder that direction along from top to bottom is sequentially placed
Four mold layer of plate and concave template are linked together by a screw 914, form upper mold portion, while punching is fixed on upper clamp plate
Head device；Three lower clamp plate that is sequentially placed along direction from top to bottom, lower bolster and lower die holder mold layer pass through another spiral shell
Nail 915 links together, and external stripping plate is connected by least two discharging screws with lower clamp plate.It is set on lower clamp plate and lower bolster
At least two through-holes are equipped with, at least two discharging screws are located at least two through-holes on lower clamp plate and lower bolster, upper part
It extends in external stripping plate and is connected with external stripping plate, its underpart extends at least two through-holes comprising spring of lower die holder.And
There are one apart from adjustable gap between external stripping plate and lower clamp plate, this is by least two discharging screws apart from adjustable gap
It is supported, when upper die holder and when lower die holder die closing, by movement of at least two discharging screws in the through-hole comprising spring, this
A distance apart from adjustable gap will be gradually reduced, and the travel distance of raw pieces to be processed increases therewith.Upper die holder with
During lower die holder die closing, punch-pin will drive raw pieces to be processed to move to the direction of punch device, due to position-limit mechanism
In the presence of this movement can at a time stop, to will limit out die height, will being obtained according to different die heights
The punching of different chamfer dimesions, so as to die height be controlled, to obtain required size according to the use demand of client
Punching.
In one embodiment, as shown in figure 9, position-limit mechanism 913 includes: at least one upper limit column 9131, setting exists
On the upper die holder 901；And at least one lower limit column 9132 being correspondingly arranged at least one upper limit column 9131, setting
On lower die holder 912；Wherein, when upper die holder 901 and when die closing under the action of press machine of lower die holder 912, at least one
Limited post 9131 contacts with each other at least one lower limit column 9132.
It should be appreciated that in upper die holder and during lower die holder die closing, with the reduction of the distance apart from adjustable gap,
At least two discharging screws are moved to the direction of the through-hole comprising spring, compress the spring in the through-hole comprising spring, and
And at least two discharging screw moved to the direction of the through-hole comprising spring external stripping plate can be driven to move to the direction of lower die holder,
Thus it can make punch-pin that raw pieces to be processed be driven to move to the direction of punch device, until at least one upper limit column and at least
When one lower limit column contacts with each other, raw pieces to be processed are had moved in the type chamber of raw pieces movement to be processed at this time, punching
The expansion shape of raw pieces to be processed is determined, while raw pieces to be processed contact with each other with formed punch, stamps out required chamfer dimesion
Punching.
Herein, position-limit mechanism can limit die height, it can limit the travel distance of raw pieces to be processed, formed
The punching of required chamfer dimesion, to not only avoid the occurrence of because punching is caused by the travel distance of raw pieces to be processed is too small
One blind hole or the case where for a punching without chamfering, and avoid the occurrence of because the travel distance of raw pieces to be processed is excessive
Caused by the chamfering top edge of punching have the case where step.
It should be noted that the present embodiment to the number of upper limit column and lower limit column without limitation, as long as meeting the upper limit
The number of position column is identical as the number of lower limit column, and the location of upper limit column also should be corresponding with lower limit column, this
Sample just can guarantee that, when upper die holder and lower die holder are closed, lower limit column contacts with each other with upper limit column, avoids raw material to be processed
The travel distance of part is too large or too small, has the function that limit die height.
Figure 10 show the schematic flow chart of hole-punching method provided by one embodiment of the present invention.The hole-punching method packet
It includes:
101: raw pieces to be processed are imported to the type chamber of the raw pieces to be processed of the carrying in the stamping die
On；
102: by adjusting the height of at least one described upper limit column and at least one lower limit column to adjust
State die height；
103: driving the punch device towards the type of the carrying raw pieces to be processed using the press machine
Chamber movement, until at least one described upper limit column contacts with each other at least one described lower limit column；
104: and drive the punch device far from the carrying raw pieces to be processed by the press machine
Type chamber, the raw pieces to be processed after punching press are drawn off from the stamping die.
Herein, the present embodiment completes primary positioning punching press using a punch device, while utilizing at least one upper limit
Position column limits die height at least one lower limit column, to realize the punching of required size, not only avoids the sky of punching
Positional shift causes client's assembly difficulty, influences the problem of client uses, and reduce costs, improves production efficiency.
Figure 11 be stamping equipment provided by one embodiment of the present invention upper die holder and lower die holder die closing when position-limit mechanism,
The structural schematic diagram of the position of punch device and stock piece to be processed.Figure 12 is the punching press that another embodiment of the present invention provides
The structural representation of the position of position-limit mechanism, punch device and stock piece to be processed when the upper die holder and lower die holder die closing of equipment
Figure.Herein, the height by adjusting at least one upper limit column and at least one lower limit column includes: to adjust die height
According to the error between the size of the punching of the size of the actual punching after measurement punching press and theory, pass through polishing
The mode on the surface of at least one upper limit column and/or the surface of at least one lower limit column reduces the die closing
Highly；
Or according to the error between the size of the actual punching after measurement punching press and the size of theoretical punching, pass through
The mode of joint sheet increases die height between at least one upper limit column and at least one lower limit column.
It should be appreciated that when press machine drives above-mentioned punch device to move at least one upper limit column 9131 and at least one
When a lower limit column 9132 contacts with each other, if the travel distance of raw material to be processed 111 is too small, i.e., die height is excessive, will
Punching after there is punching press is blind hole or the punching without chamfering, needs the ruler according to the actual punching after measurement punching press at this time
The very little error between the size of theoretical punching, by under the surface at least one upper limit column of polishing and/or at least one
The mode on the surface of limited post reduces die height.As shown in figure 11, the embodiment of the present invention is at least one upper limit of polishing
For the surface of column, when at least one upper limit column height reduce after, die height also reduces therewith, in this way can to avoid because
The case where punching caused by the travel distance of raw pieces to be processed is too small after punching press is blind hole or punching without chamfering, institute
The shape of punching after can guaranteeing punching press in a manner of using position-limit mechanism of polishing meets the normal use demand of client.
It is also understood that when press machine drive above-mentioned punch device move at least one upper limit column 9131 at least
When one lower limit column 9132 contacts with each other, if the travel distance of stock piece to be processed 111 is excessive, i.e., die height is too small,
The top edge of the chamfering of punching after just will appear punching press can have a step, be needed at this time according to the reality after measurement punching press
Punching size and theory punching size between error, by least one upper limit column and at least one lower limit
The mode of joint sheet 121 increases die height between the column of position.As shown in figure 12, when at least one upper limit column and at least one
After being filled with gasket 121 between a lower limit column, die height is consequently increased, in this way can be to avoid because of raw pieces to be processed
There are steps for the chamfering top edge of punching caused by travel distance is excessive after punching press, so filling using in position-limit mechanism
The mode of gasket can guarantee that the shape of the punching after punching press meets the normal use demand of client.
It should be noted that raw pieces to be processed and the relative positional relationship of punch device are as shown in figure 13, punch device
Punched part need complete penetration raw pieces to be processed, while the chamfering molded component of punch device is far from the table of punched part
Face needs the flush with raw pieces to be processed.So during above-mentioned adjustment die height, by repeatedly adjust to
The height of a few upper limit column and at least one lower limit column is filled with reaching raw pieces to be processed as shown in fig. 13 that and formed punch
The relative positional relationship set.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, made any modification, equivalent replacement etc. be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of punch device characterized by comprising punching head；
Wherein, the punching head include the chamfering molded component being arranged successively along punching head direction of travel, punched part and in advance at
Type component.
2. punch device according to claim 1, which is characterized in that the thickness of the punched part and the chamfering shape
The sum of thickness of component is greater than the thickness of raw pieces to be processed.
3. punch device according to claim 2, which is characterized in that the preform part and the punching head traveling side
It is less than the punched part minimum cross-section vertical with the punching head direction of travel to the area of vertical maximum cross section
Area；
The area of the punched part maximum cross section vertical with the punching head direction of travel be less than or equal to the chamfering at
The area of the shape component minimum cross-section vertical with the punching head direction of travel.
4. punch device according to claim 1 to 3, which is characterized in that the preform part and the punching
The shape of the parallel vertical section of hole head direction of travel includes any one in following shape: rectangular, triangle, trapezoidal；With/
Or, the shape of the punched part vertical section parallel with the punching head direction of travel includes rectangular；And/or the chamfering
The shape of the molded component vertical section parallel with the punching head direction of travel includes trapezoidal.
5. punch device according to claim 4, which is characterized in that the preform part and the punching head traveling side
It is rectangular to the shape of parallel vertical section；The shape of the punched part vertical section parallel with the punching head direction of travel
It is rectangular；The shape of the vertical section parallel with the punching head direction of travel with the chamfering molded component is trapezoidal.
6. punch device according to claim 5, which is characterized in that further include: jumper bar and jumper bar seat, wherein the punching
Head and the jumper bar seat are connected to the both ends of the jumper bar；
Wherein, the preform part, the punched part, the chamfering molded component, the jumper bar and the jumper bar seat
Through one polishing molding.
7. a kind of stamping equipment characterized by comprising punch device as claimed in claim 6；Press machine, the punching
Press bed is for controlling the elevating movement for driving the punch device；And stamping die；
Wherein, the stamping die specifically includes:
Upper mold portion, including upper die holder, upper padding plate, upper clamp plate and the concave template set gradually along punching head direction of travel, wherein institute
Upper clamp plate is stated for fixing the punch device, the type chamber of raw pieces movement to be processed is provided on the concave template；
Lower mold portion, including set gradually along the punching head direction of travel external stripping plate, lower clamp plate, corresponding with the concave template set
Punch-pin, lower bolster and the lower die holder set, wherein the type chamber for carrying the raw pieces to be processed is provided in the external stripping plate；Institute
External stripping plate and the lower clamp plate are stated by least two discharging screw connections, be provided on the lower clamp plate and the lower bolster to
Few two through-holes, the lower clamp plate is arranged in at least two dischargings screw and described at least two on the lower bolster are logical
Kong Zhong；It is logical comprising spring that be correspondingly arranged at least two dischargings screw at least two are provided on the lower die holder
Hole is used to form the path that at least two dischargings screw moves up and down；It is provided on the external stripping plate and the lower clamp plate
The type chamber of the punch-pin movement；And
Position-limit mechanism, for limiting die height.
8. stamping equipment according to claim 7, which is characterized in that the position-limit mechanism includes: at least one upper limit
Column is arranged on the upper die holder；And at least one lower limit column being correspondingly arranged at least one described upper limit column, if
It sets on the lower die holder；
Wherein, described at least one when the upper die holder and when the lower die holder die closing under the action of press machine
Limited post contacts with each other at least one described lower limit column.
9. a kind of hole-punching method based on stamping equipment as claimed in claim 8 characterized by comprising
Raw pieces to be processed are imported on the type chamber of the raw pieces to be processed of the carrying in the stamping die；
It is high to adjust the die closing by adjusting the height of at least one described upper limit column and at least one lower limit column
Degree；
It is moved using the type chamber that the press machine drives the punch device towards the carrying raw pieces to be processed, directly
It contacts with each other at least one described upper limit column at least one described lower limit column；And
Drive the punch device far from the type chamber of the carrying raw pieces to be processed by the press machine, by punching press
The raw pieces to be processed afterwards are drawn off from the stamping die.
10. hole-punching method according to claim 9, which is characterized in that described by adjusting at least one described upper limit
The height of column and at least one lower limit column includes: to adjust the die height
According to the error between the size of the punching of the size of the actual punching after measurement punching press and theory, by described in polishing
The mode on the surface of at least one upper limit column and/or the surface of at least one lower limit column is high to reduce the die closing
Degree；
Or according to the error between the size of the punching for the size and the theory for measuring the actual punching after the punching press,
Increased by way of the joint sheet between at least one described upper limit column and at least one described lower limit column described
Die height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002164.0A CN109647969A (en) | 2019-01-02 | 2019-01-02 | Punch device, stamping equipment and hole-punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002164.0A CN109647969A (en) | 2019-01-02 | 2019-01-02 | Punch device, stamping equipment and hole-punching method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109647969A true CN109647969A (en) | 2019-04-19 |
Family
ID=66118202
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002164.0A Pending CN109647969A (en) | 2019-01-02 | 2019-01-02 | Punch device, stamping equipment and hole-punching method |
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| Country | Link |
|---|---|
| CN (1) | CN109647969A (en) |
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Application publication date: 20190419 |