CN105195600A - Punching die with opposite-punching mechanism - Google Patents

Punching die with opposite-punching mechanism Download PDF

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Publication number
CN105195600A
CN105195600A CN201510785315.6A CN201510785315A CN105195600A CN 105195600 A CN105195600 A CN 105195600A CN 201510785315 A CN201510785315 A CN 201510785315A CN 105195600 A CN105195600 A CN 105195600A
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CN
China
Prior art keywords
punch
die
pipe
locating piece
bolster
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CN201510785315.6A
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Chinese (zh)
Inventor
杨静
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重庆持恒模具有限公司
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Application filed by 重庆持恒模具有限公司 filed Critical 重庆持恒模具有限公司
Priority to CN201510785315.6A priority Critical patent/CN105195600A/en
Publication of CN105195600A publication Critical patent/CN105195600A/en

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Abstract

The invention provides a punching die with an opposite-punching mechanism, and belongs to the field of dies. The punching die with the opposite-punching mechanism comprises an upper die seat and a lower die seat which are connected by a guide column, wherein the bottom of the upper die seat is connected with an upper convex die; the top of the lower die seat is also connected with a lower convex die; a middle die seat is arranged between the upper die seat and the lower die seat and is connected with the lower die seat by a rest spring; the rest spring is arranged on the outer part of the guide column in a sleeving manner; a round pipe placing part is arranged on the middle die seat and is in an arc-shaped sinking groove structure; and the bottom of the arc-shaped sinking grove is provided with a round hole communicated with the bottom of the middle die seat. The punching die can punch a round pipe from two directions of the round pipe so as to finish the punching on two side hole positions of the round pipe, so that the working efficiency is improved, the device input is reduced, the workpiece accuracy is improved, and enterprise benefits can be promoted directly.

Description

A kind of perforating die had punch mechanism
Technical field
The present invention relates to mould applications, in particular to a kind of perforating die had punch mechanism.
Background technology
Often need the sidewall machining hole at pipe in field of machining, traditional processing mode mode of boring or hole milling that adopts processes more, and these processing mode efficiency are too low, can not meet the demand of modern production.
Some perforating dies were there are in recent years, can in the sidewall punching of pipe, but these perforating die structural designs are reasonable not, once punching can only be carried out in the side of pipe when punching, and usually need at two of pipe relative side-wall holes in field of machining, way when utilizing existing perforating die to carry out two-way perforate is: first carry out perforate in side, perforate is carried out at opposite side again in the position adjusting pipe afterwards.Although this way can complete punch work, often there is position, hole not problem accurately, cause the circular pipe workpiece machined not use, had a strong impact on normal production work.
Summary of the invention
The invention provides a kind of perforating die had punch mechanism, be intended to solve the problem.
The present invention is achieved in that
Have the perforating die to punch mechanism, comprise upper bolster and die shoe, this upper bolster and die shoe are connected by guide pillar, and the bottom of described upper bolster is connected with upper male mould; The top of described die shoe is also connected with lower punch, is provided with middle die holder between described upper bolster and die shoe, and described middle die holder is connected with die shoe by back-moving spring, and described back-moving spring is sheathed on the outside of guide pillar; Described middle die holder is provided with pipe placement section, and pipe placement section is arc deep gouge structure, the circular hole in the middle of the bottom of this arc deep gouge is provided with and is communicated with bottom die holder.
This have the sidewall punching being mainly used at pipe to the perforating die of punch mechanism, is called for short perforating die, and in the basic structure of its upper bolster, die shoe and guide pillar and existing mould, structure is basically identical, those skilled in the art can rule of thumb and demand design.Upper male mould is used for the sidewall punching at pipe, and its concrete size designs according to demand, carbide alloy can be adopted to make, make it meet changing firmness requirements.On middle die holder, longitudinally (fore-and-aft direction in Fig. 1, namely perpendicular to the direction of paper) is provided with pipe placement section, and pipe placement section is used for placing pipe, makes it can not roll when punching.
In the perforating die of this structure, the structure of upper male mould and lower punch is basically identical, and upper male mould and lower punch constitute jointly to punch mechanism.During specific works, punching is carried out to pipe in epirelief stamping pipe top, and lower punch carries out punching from pipe bottom to pipe, completes the press work of diplopore.
The concrete course of work is such: upper bolster presses down, and upper male mould is contacted with pipe, and after the two contact, upper male mould has downward pressure to pipe, and back-moving spring is compressed, and middle die holder moves down; When back-moving spring short stay after lower punch contacts with pipe is (owing to being provided with circular hole bottom pipe placement section, lower punch is contacted) with pipe through through hole, now upper male mould and lower punch are exerted pressure from the both sides of pipe to pipe, because the structure of upper male mould and lower punch is basically identical, therefore the two is basically identical for the active force of pipe, along with the continuation of upper bolster is descending, make upper male mould and lower punch start to carry out punch work simultaneously, and then go out required hole in two sides of pipe.In the process of punching at the same time, back-moving spring is stressed comparatively complicated, and it may keep static and not recompress, larger possibility be continue compression but relatively before decrement reduce to some extent.
Therefore, the perforating die of this structure can carry out punching from the both direction of pipe to pipe, thus completes the punching press of pipe two side holes position, and operating efficiency is improved, and equipment investment reduces, and workpiece accuracy improves, can direct enterprise benefit.
Preferably, described upper male mould is connected with upper bolster by upper fixed seat, and described lower punch is connected with die shoe by lower fixed seat, is equipped with cushion block between described upper male mould and upper bolster and between lower punch and die shoe.
The setting of upper fixed seat and lower fixed seat enables upper male mould and lower punch be connected with upper bolster and die shoe easily, the design of cushion block makes upper male mould and the impulsive force of lower punch to upper bolster and die shoe in punch work reduce, and improves the service life of this perforating die.
Described die shoe is also connected with detent mechanism; Described detent mechanism comprises the driven unit, transmission component and the positioning component that are connected successively, and described positioning component comprises the backstay of column, by the driving of driven unit, backstay is moved longitudinally; When pipe is placed on pipe placement section, the inside of pipe in the process of backstay movement, can be inserted.
Detent mechanism is used for location and supports, and what play a major role is backstay, when specific works, pipe is placed on pipe placement section, opens detent mechanism, and driven unit work drives backstay to vertically move, and makes backstay insert pipe inner.The diameter of backstay preferably mates with the internal diameter of pipe, and the latter two are fitted to enable backstay enter pipe, plays better location and support effect.
By the effect of backstay, pipe in punch process can not be rocked or be shifted, and backstay is played a supporting role from the inside of pipe, indirectly improve intensity and the rigidity of pipe, make pipe can not be caused to be out of shape when upper male mould undershoot, make the workpiece hole position that processes precisely and there is better quality.
Therefore, the perforating die of this structure can carry out punching to the sidewall of pipe fast accurate, and the workpiece processed has the high-precision characteristic of high-quality, can meet the demand of modern production.
Can also design so further: described positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of pipe placement section; The two ends of pipe can be inserted respectively when the backstay of two in two groups of positioning components moves.
When the hole offered needed on pipe is positioned at the middle part of pipe, is inserted the two ends of pipe by the backstay in two groups of positioning components respectively, play spacing and supporting role from two ends to pipe, make detent mechanism to the location of pipe and support effect better.
Specifically can also design like this: two groups of positioning components are driven by same group of driven unit; Described driven unit comprises drive motors, and described transmission component comprises screw rod, and the two ends of this screw rod are respectively equipped with the contrary external screw thread of rotation direction, and described screw rod is fixedly connected with the motor shaft of drive motors; Described positioning component also comprises the nut be fixedly connected with backstay, and described nut sleeve is located on screw rod, and the rotation direction of two nuts in two groups of positioning components is contrary.
As shown in Figure 5, drive motors herein adopts either-rotation motor (namely can realize the motor rotated and reverse).Operationally, the rotation of drive motors can drive bolt rotary, and screw rod and motor shaft can adopt shaft coupling to be connected; Owing to screw rod being provided with the contrary external screw thread of two sections of rotation directions, therefore during bolt rotary, two sections of external thread rotaries, on the contrary, drive two nuts on screw rod to deviate from motion in opposite directions or mutually, and then make two backstays deviate from motion in opposite directions or mutually.By such running, backstay is inserted in pipe or simultaneously simultaneously and exit pipe.
Fig. 6 and Fig. 7 shows state during detent mechanism work, and in Fig. 7, two backstays insert pipe inside simultaneously.
By such design, this perforating die is positioned from pipe two ends in punch process, plays better effect.
Further, on described screw rod, two sections of externally threaded two ends are equipped with the stopper removably connected with screw rod.The barrier effect of stopper can make nut can not come off from corresponding thread segment, ensure that the normal operation of whole mechanism.
In order to make perforating die, there is better punching effect, further, the outside of described upper male mould is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises locating piece, the bottom surface of this locating piece is stretching structure, in the vertical section of locating piece, the outline line of its bottom surface is camber line, is provided with vertical through hole in locating piece, and described upper male mould is through this through hole; Described locating piece is connected with upper bolster by elastic mechanism, by this elastic mechanism, locating piece can be moved at vertical direction.
Perforating die is enable to carry out punching better by the booster action of auxiliary punch mechanism, specifically run like this: the bottom surface of locating piece is globoidal structure, make its outline consistent with the outline of pipe when designing and producing, in the process that upper bolster presses down, enable the bottom surface of locating piece fit with pipe surface; Locating piece is provided with vertical through hole, and upper male mould can pass this through hole; Elastic mechanism enables locating piece move relative to upper bolster; Upper bolster presses down locating piece and pipe in process and fits, and after laminating, locating piece elastic mechanism is started working and locating piece is no longer moved down, and upper male mould continues downward punching press, and then upper male mould is contacted and punching with pipe, completes punch work.
By the positioning action of locating piece, pipe can not be rocked in punch process, coordinate the restriction of pipe placement section to make pipe can not change position completely, make hole potential energy enough accurate; By the restriction of through hole in locating piece, upper male mould can not produce shift phenomenon in punch process, makes upper male mould can not mark cut on pipe, more can not cause the bending of upper male mould or fracture, and make position, hole more accurate, equipment failure rate is lower.
Therefore, the perforating die of this structure can make pipe in punch process more stable, and the operation of upper male mould is more smooth and easy, there will not be the faults such as upper male mould bending, improves the operation stability of perforating die.
Further, the bottom of described upper male mould is higher than the bottom surface of described locating piece.Such design makes locating piece in punching course first touch pipe, and upper male mould touches pipe more afterwards, makes the positioning action of locating piece to pipe and upper male mould better.
Elastic mechanism can be design like this, described elastic mechanism comprises sleeve assembly and is located at the Compress Spring in sleeve assembly, described sleeve assembly comprises inner sleeve and overcoat, described inner sleeve and overcoat are connected with upper bolster and locating piece respectively, and the two ends of described Compress Spring are fixedly connected with upper bolster and locating piece respectively.
As shown in the figure, upper bolster presses down, and after locating piece contacts with pipe, Compress Spring starts to compress, and inner sleeve and overcoat relative movement, make locating piece move relative to upper bolster, reaches its purpose of design; After punching completes, upper bolster is up, and sleeve assembly and Compress Spring reset, and locating piece is separated with pipe afterwards, gets back to original state.
Further, the bottom surface of described locating piece is provided with the rubber blanket of arc.The setting of rubber blanket makes the impulsive force between locating piece and pipe diminish, and decreases the possibility that locating piece damages pipe; And the setting of rubber blanket makes the frictional force between locating piece and pipe increase, the two is made to rock; And rubber is paid somebody's debt and expected repayment later to play and reduced the effect of noise, provide a good working environment to employee.
The invention has the beneficial effects as follows: the perforating die had punch mechanism that the present invention is obtained by above-mentioned design, punching can be carried out to pipe from the both direction of pipe, thus complete the punching press of pipe two side holes position, operating efficiency is improved, equipment investment reduces, workpiece accuracy improves, can direct enterprise benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation with the perforating die to punch mechanism that embodiment of the present invention provides;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the structural representation in use with the perforating die to punch mechanism that embodiment of the present invention provides;
Fig. 4 is the structural representation of driven unit and transmission component in the perforating die having punch mechanism that provides of embodiment of the present invention;
Fig. 5 is the structural representation of detent mechanism in the perforating die having punch mechanism that provides of embodiment of the present invention;
Fig. 6 is detent mechanism structural representation in use in the perforating die having punch mechanism that provides of embodiment of the present invention, and now backstay is positioned at the outside of pipe;
Fig. 7 is detent mechanism structural representation in use in the perforating die having punch mechanism that provides of embodiment of the present invention, and now backstay is positioned at the inside of pipe.
Figure acceptance of the bid note is respectively:
Upper bolster 101; Die shoe 102; Guide pillar 103; Upper male mould 104; Lower punch 105; Pipe placement section 106; Drive motors 107; Screw rod 108; Nut 109; Backstay 110; Stopper 111; Locating piece 112; Through hole 113; Sleeve assembly 114; Compress Spring 115; Rubber blanket 116; Middle die holder 117; Back-moving spring 118; Upper fixed seat 119; Lower fixed seat 120; Cushion block 121; Circular hole 122.
Detailed description of the invention
For making the object of embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Therefore, below to the detailed description of the embodiments of the present invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, 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 ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, 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, also can comprise the first and second features and not be 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 ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-Fig. 7
The perforating die that what present embodiment provided have to punch mechanism, comprise upper bolster 101 and die shoe 102, this upper bolster 101 and die shoe 102 are connected by guide pillar 103, and the bottom of upper bolster 101 is connected with upper male mould 104; The top of die shoe 102 is also connected with lower punch 105, is provided with middle die holder 117 between upper bolster 101 and die shoe 102, and middle die holder 117 is connected with die shoe 102 by back-moving spring 118, and back-moving spring 118 is sheathed on the outside of guide pillar 103; Middle die holder 117 is provided with pipe placement section 106, and pipe placement section 106 is arc deep gouge structure, the circular hole 122 in the middle of the bottom of this arc deep gouge is provided with and is communicated with bottom die holder 117.
This have the sidewall punching being mainly used at pipe to the perforating die of punch mechanism, be called for short perforating die, in the basic structure of its upper bolster 101, die shoe 102 and guide pillar 103 and existing mould, structure is basically identical, those skilled in the art can rule of thumb and demand design.Upper male mould 104 is used for the sidewall punching at pipe, and its concrete size designs according to demand, carbide alloy can be adopted to make, make it meet changing firmness requirements.On middle die holder 117, longitudinally (fore-and-aft direction in Fig. 1, namely perpendicular to the direction of paper) is provided with pipe placement section 106, and pipe placement section 106 is used for placing pipe, makes it can not roll when punching.
In the perforating die of this structure, upper male mould 104 is basically identical with the structure of lower punch 105, and during specific works, upper male mould 104 rushes pipe top and carries out punching to pipe, and lower punch 105 carries out punching from pipe bottom to pipe, completes the press work of diplopore.
The concrete course of work is such: upper bolster 101 presses down, and upper male mould 104 is contacted with pipe, and after the two contact, upper male mould 104 pairs of pipes have downward pressure, and back-moving spring 118 is compressed, and middle die holder 117 moves down; When back-moving spring 118 short stay after lower punch 105 contacts with pipe is (owing to being provided with circular hole 122 bottom pipe placement section 106, lower punch 105 can be contacted) with pipe through through hole 113, now upper male mould 104 and lower punch 105 are exerted pressure from the both sides of pipe to pipe, because upper male mould 104 is basically identical with the structure of lower punch 105, therefore the two is basically identical for the active force of pipe, along with the continuation of upper bolster 101 is descending, make upper male mould 104 and lower punch 105 start to carry out punch work simultaneously, and then go out required hole in two sides of pipe.In the process of punching at the same time, back-moving spring 118 is stressed comparatively complicated, and it may keep static and not recompress, larger possibility be continue compression but relatively before decrement reduce to some extent.
Therefore, the perforating die of this structure can carry out punching from the both direction of pipe to pipe, thus completes the punching press of pipe two side holes position, and operating efficiency is improved, and equipment investment reduces, and workpiece accuracy improves, can direct enterprise benefit.
Preferably, upper male mould 104 is connected with upper bolster 101 by upper fixed seat 119, and lower punch 105 is connected with die shoe 102 by lower fixed seat 120, is equipped with cushion block 121 between upper male mould 104 and upper bolster 101 and between lower punch 105 and die shoe 102.
The setting of upper fixed seat 119 and lower fixed seat 120 makes upper male mould 104 and lower punch 105 be connected with upper bolster 101 and die shoe 102 easily, the design of cushion block 121 makes the impulsive force of upper male mould 104 and lower punch 105 pairs of upper bolsters 101 and die shoe 102 in punch work reduce, and improves the service life of this perforating die.
Die shoe 102 is also connected with detent mechanism; Detent mechanism comprises the driven unit, transmission component and the positioning component that are connected successively, and positioning component comprises the backstay 110 of column, by the driving of driven unit, backstay 110 can be moved longitudinally; When pipe is placed on pipe placement section 106, the inside of pipe in the process of backstay 110 movement, can be inserted.
Detent mechanism is used for location and supports, and what play a major role is backstay 110, when specific works, pipe is placed on pipe placement section 106, opens detent mechanism, and driven unit work drives backstay 110 to vertically move, and makes backstay 110 insert pipe inside.The diameter of backstay 110 preferably mates with the internal diameter of pipe, and the latter two are fitted to enable backstay 110 enter pipe, plays better location and support effect.
By the effect of backstay 110, pipe in punch process can not be rocked or be shifted, and backstay 110 is played a supporting role from the inside of pipe, indirectly improve intensity and the rigidity of pipe, make pipe can not be caused to be out of shape when upper male mould 104 undershoot, make the workpiece hole position that processes precisely and there is better quality.
Therefore, the perforating die of this structure can carry out punching to the sidewall of pipe fast accurate, and the workpiece processed has the high-precision characteristic of high-quality, can meet the demand of modern production.
Can also design so further: positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of pipe placement section 106; The two ends of pipe can be inserted respectively when the backstay of two in two groups of positioning components 110 moves.
When the hole offered needed on pipe is positioned at the middle part of pipe, is inserted the two ends of pipe by the backstay 110 in two groups of positioning components respectively, play spacing and supporting role from two ends to pipe, make detent mechanism to the location of pipe and support effect better.
Specifically can also design like this: two groups of positioning components are driven by same group of driven unit; Driven unit comprises drive motors 107, and transmission component comprises screw rod 108, and the two ends of this screw rod 108 are respectively equipped with the contrary external screw thread of rotation direction, and screw rod 108 is fixedly connected with the motor shaft of drive motors 107; Positioning component also comprises the nut 109 be fixedly connected with backstay 110, and nut 109 is sheathed on screw rod 108, and the rotation direction of two nuts 109 in two groups of positioning components is contrary.
As shown in Figure 5, drive motors 107 herein adopts either-rotation motor (namely can realize the motor rotated and reverse).Operationally, the rotation of drive motors 107 can drive screw rod 108 to rotate, and screw rod 108 and motor shaft can adopt shaft coupling to be connected; Owing to screw rod 108 being provided with the contrary external screw thread of two sections of rotation directions, when therefore screw rod 108 rotates, two sections of external thread rotaries are on the contrary, drive two nuts 109 on screw rod 108 to deviate from motion in opposite directions or mutually, and then make two backstays 110 deviate from motion in opposite directions or mutually.By such running, backstay 110 can be inserted in pipe or simultaneously simultaneously and exit pipe.
Fig. 6 and Fig. 7 shows state during detent mechanism work, and in Fig. 7, two backstays 110 insert pipe inside simultaneously.
By such design, this perforating die is positioned from pipe two ends in punch process, plays better effect.
Further, on screw rod 108, two sections of externally threaded two ends are equipped with the stopper 111 removably connected with screw rod 108.The barrier effect of stopper 111 can make nut 109 can not come off from corresponding thread segment, ensure that the normal operation of whole mechanism.
In order to make perforating die, there is better punching effect, further, the outside of upper male mould 104 is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises locating piece 112, the bottom surface of this locating piece 112 is stretching structure, in the vertical section of locating piece 112, the outline line of its bottom surface is camber line, is provided with vertical through hole 113 in locating piece 112, and upper male mould 104 is through this through hole 113; Locating piece 112 is connected with upper bolster 101 by elastic mechanism, by this elastic mechanism, locating piece 112 can be moved at vertical direction.
Perforating die is enable to carry out punching better by the booster action of auxiliary punch mechanism, specifically run like this: the bottom surface of locating piece 112 is globoidal structure, make its outline consistent with the outline of pipe when designing and producing, in the process that upper bolster 101 presses down, enable the bottom surface of locating piece 112 fit with pipe surface; Locating piece 112 is provided with vertical through hole 113, and upper male mould 104 can pass this through hole 113; Elastic mechanism makes locating piece 112 can move relative to upper bolster 101; Upper bolster 101 presses down locating piece 112 and pipe in process and fits, after laminating, locating piece 112 elastic mechanism is started working and locating piece 112 is no longer moved down, and upper male mould 104 continues downward punching press, and then upper male mould 104 is contacted with pipe and punching, complete punch work.
By the positioning action of locating piece 112, pipe can not be rocked in punch process, coordinate the restriction of pipe placement section 106 to make pipe can not change position completely, make hole potential energy enough accurate; By the restriction of through hole 113 in locating piece 112, upper male mould 104 can not produce shift phenomenon in punch process, makes upper male mould 104 can not mark cut on pipe, more can not cause the bending of upper male mould 104 or fracture, make position, hole more accurate, equipment failure rate is lower.
Therefore, the perforating die of this structure can make pipe in punch process more stable, and the operation of upper male mould 104 is more smooth and easy, there will not be the faults such as upper male mould 104 bending, improves the operation stability of perforating die.
Further, the bottom of upper male mould 104 is higher than the bottom surface of locating piece 112.Such design makes locating piece 112 in punching course first touch pipe, and upper male mould 104 touches pipe more afterwards, makes the positioning action of locating piece 112 pairs of pipes and upper male mould 104 better.
Elastic mechanism can be design like this, elastic mechanism comprises sleeve assembly 114 and is located at the Compress Spring 115 in sleeve assembly 114, sleeve assembly 114 comprises inner sleeve and overcoat, inner sleeve and overcoat are connected with upper bolster 101 and locating piece 112 respectively, and the two ends of Compress Spring 115 are fixedly connected with upper bolster 101 and locating piece 112 respectively.
As shown in the figure, upper bolster 101 presses down, and after locating piece 112 contacts with pipe, Compress Spring 115 starts to compress, and inner sleeve and overcoat relative movement, make locating piece 112 move relative to upper bolster 101, reach its purpose of design; After punching completes, upper bolster 101 is up, and sleeve assembly 114 and Compress Spring 115 reset, and locating piece 112 is separated with pipe afterwards, gets back to original state.
Further, the bottom surface of locating piece 112 is provided with the rubber blanket 116 of arc.The setting of rubber blanket 116 makes the impulsive force between locating piece 112 and pipe diminish, and decreases the possibility of locating piece 112 pairs of pipe damages; And the setting of rubber blanket 116 makes the frictional force between locating piece 112 and pipe increase, the two is made to rock; And rubber blanket 116 also can play and reduces the effect of noise, provide a good working environment to employee.
For clearly demonstrating the present invention, in present embodiment, list some specific embodiments:
Embodiment 1
Have the perforating die to punch mechanism, comprise upper bolster 101 and die shoe 102, this upper bolster 101 and die shoe 102 are connected by guide pillar 103, and the bottom of upper bolster 101 is connected with upper male mould 104; The top of die shoe 102 is also connected with lower punch 105, is provided with middle die holder 117 between upper bolster 101 and die shoe 102, and middle die holder 117 is connected with die shoe 102 by back-moving spring 118, and back-moving spring 118 is sheathed on the outside of guide pillar 103; Middle die holder 117 is provided with pipe placement section 106, and pipe placement section 106 is arc deep gouge structure, the circular hole 122 in the middle of the bottom of this arc deep gouge is provided with and is communicated with bottom die holder 117.
Upper male mould 104 is connected with upper bolster 101 by upper fixed seat 119, and lower punch 105 is connected with die shoe 102 by lower fixed seat 120, is equipped with cushion block 121 between upper male mould 104 and upper bolster 101 and between lower punch 105 and die shoe 102.
Die shoe 102 is also connected with detent mechanism; Detent mechanism comprises the driven unit, transmission component and the positioning component that are connected successively, and positioning component comprises the backstay 110 of column, by the driving of driven unit, backstay 110 can be moved longitudinally; When pipe is placed on pipe placement section 106, the inside of pipe in the process of backstay 110 movement, can be inserted.
Positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of pipe placement section 106; The two ends of pipe can be inserted respectively when the backstay of two in two groups of positioning components 110 moves.
Two groups of positioning components are driven by same group of driven unit; Driven unit comprises drive motors 107, and transmission component comprises screw rod 108, and the two ends of this screw rod 108 are respectively equipped with the contrary external screw thread of rotation direction, and screw rod 108 is fixedly connected with the motor shaft of drive motors 107; Positioning component also comprises the nut 109 be fixedly connected with backstay 110, and nut 109 is sheathed on screw rod 108, and the rotation direction of two nuts 109 in two groups of positioning components is contrary.On screw rod 108, two sections of externally threaded two ends are equipped with the stopper 111 removably connected with screw rod 108.
The outside of upper male mould 104 is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises locating piece 112, the bottom surface of this locating piece 112 is stretching structure, in the vertical section of locating piece 112, the outline line of its bottom surface is camber line, be provided with vertical through hole 113 in locating piece 112, upper male mould 104 is through this through hole 113; Locating piece 112 is connected with upper bolster 101 by elastic mechanism, by this elastic mechanism, locating piece 112 can be moved at vertical direction.The bottom of upper male mould 104 is higher than the bottom surface of locating piece 112.
Elastic mechanism comprises sleeve assembly 114 and is located at the Compress Spring 115 in sleeve assembly 114, sleeve assembly 114 comprises inner sleeve and overcoat, inner sleeve and overcoat are connected with upper bolster 101 and locating piece 112 respectively, and the two ends of Compress Spring 115 are fixedly connected with upper bolster 101 and locating piece 112 respectively.The bottom surface of locating piece 112 is provided with the rubber blanket 116 of arc.
The foregoing is only the preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. have the perforating die to punch mechanism, it is characterized in that, comprise upper bolster and die shoe, this upper bolster and die shoe are connected by guide pillar, and the bottom of described upper bolster is connected with upper male mould; The top of described die shoe is also connected with lower punch, is provided with middle die holder between described upper bolster and die shoe, and described middle die holder is connected with die shoe by back-moving spring, and described back-moving spring is sheathed on the outside of guide pillar; Described middle die holder is provided with pipe placement section, and pipe placement section is arc deep gouge structure, the circular hole in the middle of the bottom of this arc deep gouge is provided with and is communicated with bottom die holder.
2. the perforating die had punch mechanism according to claim 1, it is characterized in that, described upper male mould is connected with upper bolster by upper fixed seat, and described lower punch is connected with die shoe by lower fixed seat, is equipped with cushion block between described upper male mould and upper bolster and between lower punch and die shoe.
3. the perforating die had punch mechanism according to claim 1, is characterized in that, described die shoe is also connected with detent mechanism; Described detent mechanism comprises the driven unit, transmission component and the positioning component that are connected successively, and described positioning component comprises the backstay of column, by the driving of driven unit, backstay is moved longitudinally; When pipe is placed on pipe placement section, the inside of pipe in the process of backstay movement, can be inserted.
4. the perforating die had punch mechanism according to claim 3, is characterized in that, described positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of pipe placement section; The two ends of pipe can be inserted respectively when the backstay of two in two groups of positioning components moves.
5. the perforating die had punch mechanism according to claim 4, is characterized in that, two groups of positioning components are driven by same group of driven unit; Described driven unit comprises drive motors, and described transmission component comprises screw rod, and the two ends of this screw rod are respectively equipped with the contrary external screw thread of rotation direction, and described screw rod is fixedly connected with the motor shaft of drive motors; Described positioning component also comprises the nut be fixedly connected with backstay, and described nut sleeve is located on screw rod, and the rotation direction of two nuts in two groups of positioning components is contrary.
6. the perforating die had punch mechanism according to claim 5, is characterized in that, on described screw rod, two sections of externally threaded two ends are equipped with the stopper removably connected with screw rod.
7. the perforating die had punch mechanism according to claim 1, it is characterized in that, the outside of described upper male mould is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises locating piece, the bottom surface of this locating piece is stretching structure, in the vertical section of locating piece, the outline line of its bottom surface is camber line, is provided with vertical through hole in locating piece, and described upper male mould is through this through hole; Described locating piece is connected with upper bolster by elastic mechanism, by this elastic mechanism, locating piece can be moved at vertical direction.
8. the perforating die had punch mechanism according to claim 7, is characterized in that, the bottom of described upper male mould is higher than the bottom surface of described locating piece.
9. the perforating die had punch mechanism according to claim 7, it is characterized in that, described elastic mechanism comprises sleeve assembly and is located at the Compress Spring in sleeve assembly, described sleeve assembly comprises inner sleeve and overcoat, described inner sleeve and overcoat are connected with upper bolster and locating piece respectively, and the two ends of described Compress Spring are fixedly connected with upper bolster and locating piece respectively.
10. the perforating die had punch mechanism according to claim 7, is characterized in that, the bottom surface of described locating piece is provided with the rubber blanket of arc.
CN201510785315.6A 2015-11-16 2015-11-16 Punching die with opposite-punching mechanism CN105195600A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992124A (en) * 1982-11-17 1984-05-28 Ig Tech Res Inc Die set for press die
CN102641943A (en) * 2012-04-23 2012-08-22 昆山诚业德精密模具有限公司 Counter punching mechanism for processing both sides of square tube
CN102658324A (en) * 2012-05-21 2012-09-12 张道义 Vertical steel tube die device
CN202683751U (en) * 2012-05-16 2013-01-23 周波 Dual-hole counter-punching die
CN103316989A (en) * 2012-03-23 2013-09-25 新疆特变电工集团有限公司 Numerically-controlled thread punching and shearing equipment for silicon steel sheet
CN103418671A (en) * 2013-08-12 2013-12-04 太仓市微贯机电有限公司 Workpiece punching die
CN205270544U (en) * 2015-11-16 2016-06-01 重庆持恒模具有限公司 Punching die with offset mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992124A (en) * 1982-11-17 1984-05-28 Ig Tech Res Inc Die set for press die
CN103316989A (en) * 2012-03-23 2013-09-25 新疆特变电工集团有限公司 Numerically-controlled thread punching and shearing equipment for silicon steel sheet
CN102641943A (en) * 2012-04-23 2012-08-22 昆山诚业德精密模具有限公司 Counter punching mechanism for processing both sides of square tube
CN202683751U (en) * 2012-05-16 2013-01-23 周波 Dual-hole counter-punching die
CN102658324A (en) * 2012-05-21 2012-09-12 张道义 Vertical steel tube die device
CN103418671A (en) * 2013-08-12 2013-12-04 太仓市微贯机电有限公司 Workpiece punching die
CN205270544U (en) * 2015-11-16 2016-06-01 重庆持恒模具有限公司 Punching die with offset mechanism

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