CN205270541U - A punching die that is used for punching a hole at pipe lateral wall - Google Patents
A punching die that is used for punching a hole at pipe lateral wall Download PDFInfo
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- CN205270541U CN205270541U CN201520910371.3U CN201520910371U CN205270541U CN 205270541 U CN205270541 U CN 205270541U CN 201520910371 U CN201520910371 U CN 201520910371U CN 205270541 U CN205270541 U CN 205270541U
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- die holder
- preset pieces
- pipe
- punching
- male mould
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Abstract
The utility model provides a punching die that is used for punching a hole at pipe lateral wall belongs to the mould field, including upper die base and die holder, this upper die base and die holder pass through the guide pillar to be connected, the bottom of upper die base is connected with the terrace die, vertically be provided with the pipe portion of placing on the die holder, the die holder still is connected with positioning mechanism, positioning mechanism includes consecutive drive assembly, drive assembly and locating component, locating component includes cylindrical locating lever, can follow longitudinal movement through drive assembly's drive messenger locating lever, place when the pipe and place portion when lasting at the pipe, inside that the in -process of locating lever removal can insert the pipe. This kind of punching die can be fast punches a hole to the lateral wall of pipe accurately, and the work piece that processing was come out has the characteristic of high quality high accuracy, can satisfy modern production's demand.
Description
Technical field
The utility model relates to mould applications, specifically, it relates to a kind of for the piercing die in side of circular pipe wall punching.
Background technology
Often needing the sidewall machining hole at circle pipe in field of machining, traditional processing mode adopts the mode in boring or milling hole to process, and these processing mode efficiency are too low, can not meet the demand of modern production.
Some piercing dies had occurred in recent years, can in the sidewall punching of circle pipe, but these piercing die structure designs are reasonable not, the material adding each circle pipe in round pipe making processes not evenly causes each circle pipe mechanical property inconsistent, to such an extent as to easily by the extruding distortion of circle pipe in the process of punching, cause round pipe to scrap, not only cause production cost to improve, also create the reduction of efficiency; The generation of the times such as piercing die even occurs damaging, seriously have impact on normal production work.
Practical novel content
The utility model provides a kind of for the piercing die in side of circular pipe wall punching, it is intended to solve the problem.
The utility model is achieved in that
For the piercing die in side of circular pipe wall punching, comprising die holder and lower die holder, on this, die holder and lower die holder are connected by guide pillar, and the bottom of described upper die holder is connected with upper male mould; Being vertically arranged with round pipe placement section on described lower die holder, lower die holder is also connected with locating mechanism; Described locating mechanism comprises the driving assembly, transmission assembly and the positioning component that are connected successively, and described positioning component comprises the location bar of column, by driving the driving of assembly to enable location bar move longitudinally; When circle pipe is placed on round pipe placement section, the process that location bar moves can be inserted the inside of round pipe.
This kind is for being mainly used in the sidewall punching at circle pipe at the piercing die of side of circular pipe wall punching, it is called for short piercing die, on it, in the basic structure of die holder, lower die holder and guide pillar and existing mould, structure is basically identical, and those skilled in the art can design according to experience and demand. Upper male mould is used in the sidewall punching justifying pipe, and its concrete size designs according to demand, it is possible to adopt Wimet to make so that it is to meet changing firmness requirements. On lower die holder, longitudinally (front and back in Fig. 1 to, be namely perpendicular to the direction of paper) are provided with round pipe placement section, and circle pipe placement section is used for placing circle pipe so that it is can not roll when punching.
Locating mechanism is used for location and supports, and what play a major role is location bar, when specifically working, circle pipe is placed on round pipe placement section, opens locating mechanism, drives component operation to drive location bar to vertically move, and makes location bar insertion circle pipe inner. The diameter of location bar internal diameter that is best and circle pipe mates, and the latter two are fitted to enable location bar enter circle pipe, play and better locate and support effect.
By locating the effect of bar, circle pipe in punch process can not be rocked or be shifted, and location bar from circle pipe inside play a supporting role, indirectly improve intensity and the rigidity of round pipe, make round pipe to be caused to be out of shape when upper male mould undershoot, make the workpiece hole position processed precisely and have better quality.
Therefore, the sidewall of circle pipe can be carried out punching in fast accurate ground by the piercing die of this kind of structure, and the workpiece processed has the characteristic of high quality high precision, it is possible to 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 round pipe placement section; The two ends of round pipe can be inserted respectively when two location bars in two groups of positioning components move.
When the hole offered needed for circle pipe is upper is positioned at the middle part of round pipe, is inserted the two ends of round pipe by the location bar in two groups of positioning components respectively, play spacing and supporting role from two ends to circle pipe, make locating mechanism that the location of circle pipe and support effect is better.
Specifically can also design like this: two groups of positioning components drive Component driver by same group; Described driving assembly comprises drive-motor, and described transmission assembly comprises screw rod, and the two ends of this screw rod are respectively equipped with the contrary outside screw of rotation direction, and described screw rod is fixedly connected with the motor shaft of drive-motor; The nut that described positioning component also comprises with location bar is fixedly connected with, 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-motor herein adopts two-way motor (namely can realize the motor rotated and reverse). Operationally, the rotation of drive-motor can drive bolt rotary, and screw rod can adopt shaft coupling to be connected with motor shaft; Owing to screw rod being provided with the contrary outside screw of two sections of rotation directions, therefore during bolt rotary two sections of external thread rotaries on the contrary, driving two nuts on screw rod to deviate from motion in opposite directions or mutually, and then make two location bars deviate from motion in opposite directions or mutually. Location bar is enable to insert in round pipe simultaneously or exit circle pipe simultaneously by such operational process.
Fig. 6 and Fig. 7 shows state when locating mechanism works, and in Fig. 7, two location bars insert round pipe inside simultaneously.
By such design, this kind of piercing die is positioned from circle 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, it is ensured that the normal operation of whole mechanism.
In order to make piercing die have better punching effect, further, the outside of described upper male mould is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises preset pieces, the bottom surface of this preset pieces is stretching structure, in the profile of preset pieces, the skeletal lines of its bottom surface is camber line, is provided with vertical through hole in preset pieces, and described upper male mould is through this through hole; Described preset pieces is connected with upper die holder by elasticity mechanism, by this elasticity mechanism, preset pieces can be moved at vertical direction.
Piercing die is enable to carry out punching better by the booster action of auxiliary punch mechanism, specifically run like this: the bottom surface of preset pieces is globoidal structure, make its outline consistent with the outline of circle pipe when designing and producing, the process that upper die holder presses down enables the bottom surface of preset pieces and circle tube-surface laminating; Preset pieces is provided with vertical through hole, and upper male mould can pass this through hole; Elasticity mechanism enables preset pieces move relative to upper die holder; Upper die holder presses down preset pieces and round pipe laminating in process, and after laminating, preset pieces elasticity mechanism starts working and makes the no longer lower shifting of preset pieces, and upper male mould continues downward punching press, and then upper male mould is contacted and punching with circle pipe, completes punch work.
By the positioning action of preset pieces, circle pipe can not be rocked in punch process, coordinate the restriction of circle pipe placement section to make circle pipe can not change position completely so that hole potential energy is enough accurate; By the restriction of through hole in preset pieces, upper male mould can not produce shift phenomenon in punch process, makes upper male mould can not mark cut on circle pipe, more can not cause the bending of upper male mould or fracture so that position, hole is more accurate, and equipment failure rate is lower.
Therefore, the piercing die of this kind of structure can make in punch process circle pipe 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, it is to increase the operation stability of piercing die.
Further, the bottom of described upper male mould is higher than the bottom surface of described preset pieces. Such design makes preset pieces in punching course first touch circle pipe, and upper male mould touches circle pipe more afterwards, makes preset pieces that the positioning action of circle pipe and upper male mould is better.
Elasticity mechanism can be design like this, the compression spring that described elasticity mechanism comprises sleeve assembly and is located in sleeve assembly, described sleeve assembly comprises inner sleeve and overcoat, described inner sleeve and overcoat are connected with upper die holder and preset pieces respectively, and the two ends of described compression spring are fixedly connected with upper die holder and preset pieces respectively.
As shown in the figure, upper die holder presses down, and after preset pieces contacts with circle pipe, compression spring starts compression, inner sleeve and overcoat relative movement so that preset pieces moves relative to upper die holder, reaches its purpose of design; Punching is row, sleeve assembly and compression spring reset on upper die holder after completing, and preset pieces is separated with circle pipe afterwards, returns to original state.
Further, the bottom surface of described preset pieces is provided with the rubber pad of arc. The setting of rubber pad makes the surging force between preset pieces and circle pipe diminish, and decreases preset pieces to the possibility of circle pipe damage; And the setting of rubber pad makes the frictional force between preset pieces and circle pipe increase, the two is made to rock; And rubber pay somebody's debt and expect repayment later can play reduce noise effect, provide a good Working environment to employee.
When two sides of circle pipe all need to carry out punching, piercing die also can design like this: the top of described lower die holder is connected with lower punch, middle die holder it is provided with between described upper die holder and lower die holder, described middle die holder is connected with lower die holder by return spring, and described return spring is sheathed on the outside of guide pillar; Described round pipe placement section is located on middle die holder, and circle pipe placement section is arc deep gouge structure, and the bottom of this arc deep gouge is provided with the circular hole being connected bottom middle die holder.
In the piercing die of this kind of structure, the structure of upper male mould and lower punch is basically identical, and during concrete work, circle pipe is carried out punching by epirelief stamping circle pipe top, and circle pipe is carried out punching from circle pipe bottom by lower punch, completes the punching press work of diplopore.
Concrete working process is such: upper die holder presses down, and upper male mould is contacted with circle pipe, and after the two contact, circle pipe is had downward pressure by upper male mould so that return spring compresses, and moves under middle die holder; When return spring short stay after lower punch contacts with circle pipe is (owing to being provided with circular hole bottom circle pipe placement section, lower punch is contacted) with circle pipe through through hole, now circle pipe is exerted pressure by upper male mould and lower punch from the both sides of circle pipe, owing to the structure of upper male mould and lower punch is basically identical, therefore the two is basically identical for the reactive force of circle pipe, along with the continuation of upper die holder 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 circle pipe. While punching process in return spring comparatively complicated by power, it may keep static and not recompress, bigger possibility be continue compression but relatively before draught reduce to some extent.
Therefore, circle pipe can be carried out punching from two directions of circle pipe by the piercing die of this kind of structure, thus completes the punching press of circle pipe two side holes position so that working efficiency improves, and equipment investment reduces, and workpiece accuracy improves, it is possible to directly promote the performance of enterprises.
Preferably, described upper male mould is connected with upper die holder by upper fixed seat, and described lower punch is connected with lower die holder by lower fixed seat, is equipped with cushion block between described upper male mould and upper die holder and between lower punch and lower die holder.
The setting of upper fixed seat and lower fixed seat enables upper male mould and lower punch conveniently be connected with upper die holder and lower die holder, the design of cushion block makes upper male mould and lower punch in punch work the surging force of upper die holder and lower die holder be reduced, it is to increase the work-ing life of this piercing die.
The beneficial effects of the utility model are: the utility model by above-mentioned design obtain for the piercing die in side of circular pipe wall punching, fast accurate ground the sidewall of circle pipe can be carried out punching, the workpiece processed has the characteristic of high quality high precision, it is possible to meet the demand of modern production.
Accompanying drawing explanation
The technical scheme of mode is implemented in order to be illustrated more clearly in the utility model, it is briefly described to the accompanying drawing used required in enforcement mode below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the piercing die in side of circular pipe wall punching that the utility model enforcement mode provides;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the structural representation in use for the piercing die in side of circular pipe wall punching that the utility model enforcement mode provides;
Fig. 4 is the structural representation for driving assembly and transmission assembly in the piercing die of side of circular pipe wall punching that the utility model enforcement mode provides;
Fig. 5 is the structural representation for locating mechanism in the piercing die of side of circular pipe wall punching that the utility model enforcement mode provides;
Fig. 6 be the utility model implement that mode provides for the structural representation in use of locating mechanism in the piercing die of side of circular pipe wall punching, now locate the outside that bar is positioned at round pipe;
Fig. 7 be the utility model implement that mode provides for the structural representation in use of locating mechanism in the piercing die of side of circular pipe wall punching, now locate the inside that bar is positioned at round pipe.
Figure acceptance of the bid note is respectively:
Upper die holder 101; Lower die holder 102; Guide pillar 103; Upper male mould 104; Lower punch 105; Circle pipe placement section 106; Drive-motor 107; Screw rod 108; Nut 109; Location bar 110; Stopper 111; Preset pieces 112; Through hole 113; Sleeve assembly 114; Compression spring 115; Rubber pad 116; Middle die holder 117; Return spring 118; Upper fixed seat 119; Lower fixed seat 120; Cushion block 121; Circular hole 122.
Embodiment
For making the utility model implement the object of mode, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model enforcement mode, technical scheme in the utility model enforcement mode is clearly and completely described, obviously, described enforcement mode is the utility model part enforcement mode, instead of whole enforcement modes. Based on the enforcement mode in the utility model, those of ordinary skill in the art are not making other enforcement modes all obtained under creative work prerequisite, all belong to the scope of the utility model protection. Therefore, below to the detailed description of the enforcement mode of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but only represent selected enforcement mode of the present utility model. Based on the enforcement mode in the utility model, those of ordinary skill in the art are not making other enforcement modes all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " counterclockwise " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit comprise one or more these features. In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals or the interaction relationship of two elements. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, it is also possible to comprise the first and second features be not directly contact but by the other characterisation contact between them. And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " comprise fisrt feature immediately below second feature and tiltedly lower section, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-Fig. 7
Present embodiment provide for the piercing die in side of circular pipe wall punching, comprise die holder 101 and lower die holder 102, on this, die holder 101 and lower die holder 102 are connected by guide pillar 103, and the bottom of upper die holder 101 is connected with upper male mould 104; Being vertically arranged with round pipe placement section 106 on lower die holder 102, lower die holder 102 is also connected with locating mechanism; Locating mechanism comprises the driving assembly, transmission assembly and the positioning component that are connected successively, and positioning component comprises the location bar 110 of column, by driving the driving of assembly to make location bar 110 move longitudinally; When circle pipe is placed on round pipe placement section 106, the process that location bar 110 moves can be inserted the inside of round pipe.
This kind is for being mainly used in the sidewall punching at circle pipe at the piercing die of side of circular pipe wall punching, it is called for short piercing die, on it, in the basic structure of die holder 101, lower die holder 102 and guide pillar 103 and existing mould, structure is basically identical, and those skilled in the art can design according to experience and demand. Upper male mould 104 is used in the sidewall punching justifying pipe, and its concrete size designs according to demand, it is possible to adopt Wimet to make so that it is to meet changing firmness requirements. On lower die holder 102, longitudinally (front and back in Fig. 1 to, be namely perpendicular to the direction of paper) are provided with round pipe placement section 106, and circle pipe placement section 106 is used for placing circle pipe so that it is can not roll when punching.
Locating mechanism is used for location and supports, and what play a major role is location bar 110, when specifically working, circle pipe is placed on round pipe placement section 106, opens locating mechanism, drives component operation to drive location bar 110 to vertically move, makes location bar 110 insert circle pipe inner. The diameter of location bar 110 internal diameter that is best and circle pipe mates, and the latter two are fitted to enable location bar 110 enter circle pipe, play and better locate and support effect.
By locating the effect of bar 110, circle pipe in punch process can not be rocked or be shifted, and location bar 110 from circle pipe inside play a supporting role, indirectly improve intensity and the rigidity of round pipe, make round pipe to be caused to be out of shape when upper male mould 104 undershoot, make the workpiece hole position processed precisely and have better quality.
Therefore, the sidewall of circle pipe can be carried out punching in fast accurate ground by the piercing die of this kind of structure, and the workpiece processed has the characteristic of high quality high precision, it is possible to 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 round pipe placement section 106; The two ends of round pipe can be inserted respectively when two location bars 110 in two groups of positioning components move.
When the hole offered needed for circle pipe is upper is positioned at the middle part of round pipe, is inserted the two ends of circle pipe by the location bar 110 in two groups of positioning components respectively, play spacing and supporting role from two ends to circle pipe, make locating mechanism that the location of circle pipe and support effect is better.
Specifically can also design like this: two groups of positioning components drive Component driver by same group; Driving assembly to comprise drive-motor 107, transmission assembly comprises screw rod 108, and the two ends of this screw rod 108 are respectively equipped with the contrary outside screw of rotation direction, and screw rod 108 is fixedly connected with the motor shaft of drive-motor 107; The nut 109 that positioning component also comprises with location bar 110 is fixedly connected with, 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-motor 107 herein adopts two-way motor (namely can realize the motor rotated and reverse). Operationally, the rotation of drive-motor 107 can drive screw rod 108 to rotate, and screw rod 108 can adopt shaft coupling to be connected with motor shaft; Owing to being provided with the contrary outside screw of two sections of rotation directions on screw rod 108, when therefore screw rod 108 rotates, two sections of external thread rotaries are on the contrary, driving two nuts 109 on screw rod 108 to deviate from motion in opposite directions or mutually, and then make two location bars 110 deviate from motion in opposite directions or mutually. Make location bar 110 can insert in round pipe simultaneously or exit circle pipe simultaneously by such operational process.
Fig. 6 and Fig. 7 shows state when locating mechanism works, and in Fig. 7, two location bars 110 insert circle pipe inside simultaneously.
By such design, this kind of piercing die is positioned from circle 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, it is ensured that the normal operation of whole mechanism.
In order to make piercing die have better punching effect, further, the outside of upper male mould 104 is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises preset pieces 112, the bottom surface of this preset pieces 112 is stretching structure, in the profile of preset pieces 112, the skeletal lines of its bottom surface is camber line, is provided with vertical through hole 113 in preset pieces 112, and upper male mould 104 is through this through hole 113; Preset pieces 112 is connected with upper die holder 101 by elasticity mechanism, by this elasticity mechanism, preset pieces 112 can be moved at vertical direction.
Piercing die is enable to carry out punching better by the booster action of auxiliary punch mechanism, specifically run like this: the bottom surface of preset pieces 112 is globoidal structure, make its outline consistent with the outline of circle pipe when designing and producing, the process that upper die holder 101 presses down enables the bottom surface of preset pieces 112 and circle tube-surface laminating; Preset pieces 112 is provided with vertical through hole 113, and upper male mould 104 can pass this through hole 113; Elasticity mechanism makes preset pieces 112 can move relative to upper die holder 101; Upper die holder 101 presses down preset pieces 112 and circle pipe laminating in process, after laminating, preset pieces 112 elasticity mechanism starts working and makes the no longer lower shifting of preset pieces 112, and upper male mould 104 continues downward punching press, and then upper male mould 104 is contacted and punching with circle pipe, complete punch work.
By the positioning action of preset pieces 112, circle pipe can not be rocked in punch process, coordinate the restriction of circle pipe placement section 106 to make circle pipe can not change position completely so that hole potential energy is enough accurate; By the restriction of through hole 113 in preset pieces 112, upper male mould 104 can not produce shift phenomenon in punch process, makes upper male mould 104 can not mark cut on circle pipe, more can not cause the bending of upper male mould 104 or fracture, making position, hole more accurate, equipment failure rate is lower.
Therefore, the piercing die of this kind of structure can make in punch process circle pipe 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, it is to increase the operation stability of piercing die.
Further, the bottom of upper male mould 104 is higher than the bottom surface of preset pieces 112. Such design makes preset pieces 112 in punching course first touch circle pipe, and upper male mould 104 touches circle pipe more afterwards, makes preset pieces 112 that the positioning action of circle pipe and upper male mould 104 is better.
Elasticity mechanism can be design like this, the compression spring 115 that elasticity mechanism comprises sleeve assembly 114 and is located in sleeve assembly 114, sleeve assembly 114 comprises inner sleeve and overcoat, inner sleeve and overcoat are connected with upper die holder 101 and preset pieces 112 respectively, and the two ends of compression spring 115 are fixedly connected with upper die holder 101 and preset pieces 112 respectively.
As shown in the figure, upper die holder 101 presses down, and after preset pieces 112 contacts with circle pipe, compression spring 115 starts compression, inner sleeve and overcoat relative movement so that preset pieces 112 moves relative to upper die holder 101, reaches its purpose of design; Punching is gone on upper die holder 101 after completing, and sleeve assembly 114 and compression spring 115 reset, and preset pieces 112 is separated with circle pipe afterwards, returns to original state.
Further, the bottom surface of preset pieces 112 is provided with the rubber pad 116 of arc. The setting of rubber pad 116 makes the surging force between preset pieces 112 and circle pipe diminish, and decreases preset pieces 112 to the possibility of circle pipe damage; And the setting of rubber pad 116 makes the frictional force between preset pieces 112 and circle pipe increase, the two is made to rock; And rubber pad 116 also can play the effect reducing noise, provide a good Working environment to employee.
When two sides of circle pipe all need to carry out punching, piercing die also can design like this: the top of lower die holder 102 is connected with lower punch 105, middle die holder 117 it is provided with between upper die holder 101 and lower die holder 102, middle die holder 117 is connected with lower die holder 102 by return spring 118, and return spring 118 is sheathed on the outside of guide pillar 103; Circle pipe placement section 106 is located on middle die holder 117, and circle pipe placement section 106 is arc deep gouge structure, and the bottom of this arc deep gouge is provided with the circular hole 122 being connected bottom middle die holder 117.
In the piercing die of this kind of structure, upper male mould 104 is basically identical with the structure of lower punch 105, and during concrete work, circle pipe is carried out punching by upper male mould 104 punching circle pipe top, and circle pipe is carried out punching from circle pipe bottom by lower punch 105, and the punching press completing diplopore works.
Concrete working process is such: upper die holder 101 presses down, and upper male mould 104 is contacted with circle pipe, and after the two contact, circle pipe is had downward pressure by upper male mould 104 so that return spring 118 compresses, and middle die holder moves for 117 times; When return spring 118 short stay after lower punch 105 contacts with circle pipe is (owing to being provided with circular hole 122 bottom circle pipe placement section 106, lower punch 105 can be contacted) with circle pipe through through hole 113, now circle pipe is exerted pressure from the both sides of circle pipe by upper male mould 104 with lower punch 105, owing to upper male mould 104 is basically identical with the structure of lower punch 105, therefore the two is basically identical for the reactive force of circle pipe, along with the continuation of upper die holder 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 circle pipe. While punching process in return spring 118 comparatively complicated by power, it may keep static and not recompress, bigger possibility be continue compression but relatively before draught reduce to some extent.
Therefore, circle pipe can be carried out punching from two directions of circle pipe by the piercing die of this kind of structure, thus completes the punching press of circle pipe two side holes position so that working efficiency improves, and equipment investment reduces, and workpiece accuracy improves, it is possible to directly promote the performance of enterprises.
Preferably, upper male mould 104 is connected with upper die holder 101 by upper fixed seat 119, and lower punch 105 is connected with lower die holder 102 by lower fixed seat 120, is equipped with cushion block 121 between upper male mould 104 and upper die holder 101 and between lower punch 105 and lower die holder 102.
The setting of upper fixed seat 119 and lower fixed seat 120 makes upper male mould 104 and lower punch 105 conveniently be connected with upper die holder 101 and lower die holder 102, the design of cushion block 121 makes upper male mould 104 and lower punch 105 in punch work the surging force of upper die holder 101 and lower die holder 102 be reduced, it is to increase the work-ing life of this piercing die.
For clearly demonstrating the utility model, present embodiment lists some specific embodiments:
Embodiment 1
For the piercing die in side of circular pipe wall punching, comprising die holder 101 and lower die holder 102, on this, die holder 101 and lower die holder 102 are connected by guide pillar 103, and the bottom of upper die holder 101 is connected with upper male mould 104; Being vertically arranged with round pipe placement section 106 on lower die holder 102, lower die holder 102 is also connected with locating mechanism; Locating mechanism comprises the driving assembly, transmission assembly and the positioning component that are connected successively, and positioning component comprises the location bar 110 of column, by driving the driving of assembly to make location bar 110 move longitudinally; When circle pipe is placed on round pipe placement section 106, the process that location bar 110 moves can be inserted the inside of round pipe.
Positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of round pipe placement section 106; The two ends of round pipe can be inserted respectively when two location bars 110 in two groups of positioning components move.
Two groups of positioning components drive Component driver by same group; Driving assembly to comprise drive-motor 107, transmission assembly comprises screw rod 108, and the two ends of this screw rod 108 are respectively equipped with the contrary outside screw of rotation direction, and screw rod 108 is fixedly connected with the motor shaft of drive-motor 107; The nut 109 that positioning component also comprises with location bar 110 is fixedly connected with, 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 preset pieces 112, the bottom surface of this preset pieces 112 is stretching structure, in the profile of preset pieces 112, the skeletal lines of its bottom surface is camber line, being provided with vertical through hole 113 in preset pieces 112, upper male mould 104 is through this through hole 113; Preset pieces 112 is connected with upper die holder 101 by elasticity mechanism, by this elasticity mechanism, preset pieces 112 can be moved at vertical direction. The bottom of upper male mould 104 is higher than the bottom surface of preset pieces 112.
The compression spring 115 that elasticity mechanism comprises sleeve assembly 114 and is located in sleeve assembly 114, sleeve assembly 114 comprises inner sleeve and overcoat, inner sleeve and overcoat are connected with upper die holder 101 and preset pieces 112 respectively, and the two ends of compression spring 115 are fixedly connected with upper die holder 101 and preset pieces 112 respectively. The bottom surface of preset pieces 112 is provided with the rubber pad 116 of arc.
The top of lower die holder 102 is connected with lower punch 105, is provided with middle die holder 117 between upper die holder 101 and lower die holder 102, and middle die holder 117 is connected with lower die holder 102 by return spring 118, and return spring 118 is sheathed on the outside of guide pillar 103; Circle pipe placement section 106 is located on middle die holder 117, and circle pipe placement section 106 is arc deep gouge structure, and the bottom of this arc deep gouge is provided with the circular hole 122 being connected bottom middle die holder 117.
Upper male mould 104 is connected with upper die holder 101 by upper fixed seat 119, and lower punch 105 is connected with lower die holder 102 by lower fixed seat 120, is equipped with cushion block 121 between upper male mould 104 and upper die holder 101 and between lower punch 105 and lower die holder 102.
The foregoing is only preferred implementation of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind for the piercing die in side of circular pipe wall punching, it is characterised in that, comprise die holder and lower die holder, on this, die holder and lower die holder are connected by guide pillar, and the bottom of described upper die holder is connected with upper male mould; Being vertically arranged with round pipe placement section on described lower die holder, lower die holder is also connected with locating mechanism; Described locating mechanism comprises the driving assembly, transmission assembly and the positioning component that are connected successively, and described positioning component comprises the location bar of column, by driving the driving of assembly to enable location bar move longitudinally; When circle pipe is placed on round pipe placement section, the process that location bar moves can be inserted the inside of round pipe.
2. according to claim 1 for the piercing die in side of circular pipe wall punching, it is characterised in that, described positioning component has two groups, and two groups of positioning components are symmetrically set in the two ends of round pipe placement section; The two ends of round pipe can be inserted respectively when two location bars in two groups of positioning components move.
3. according to claim 2 for the piercing die in side of circular pipe wall punching, it is characterised in that, two groups of positioning components drive Component driver by same group; Described driving assembly comprises drive-motor, and described transmission assembly comprises screw rod, and the two ends of this screw rod are respectively equipped with the contrary outside screw of rotation direction, and described screw rod is fixedly connected with the motor shaft of drive-motor; The nut that described positioning component also comprises with location bar is fixedly connected with, described nut sleeve is located on screw rod, and the rotation direction of two nuts in two groups of positioning components is contrary.
4. according to claim 3 for the piercing die in side of circular pipe wall punching, it is characterised in that, on described screw rod, two sections of externally threaded two ends are equipped with the stopper removably connected with screw rod.
5. according to claim 1 for the piercing die in side of circular pipe wall punching, it is characterized in that, the outside of described upper male mould is provided with auxiliary punch mechanism, this auxiliary punch mechanism comprises preset pieces, the bottom surface of this preset pieces is stretching structure, in the profile of preset pieces, the skeletal lines of its bottom surface is camber line, is provided with vertical through hole in preset pieces, and described upper male mould is through this through hole; Described preset pieces is connected with upper die holder by elasticity mechanism, by this elasticity mechanism, preset pieces can be moved at vertical direction.
6. according to claim 5 for the piercing die in side of circular pipe wall punching, it is characterised in that, the bottom of described upper male mould is higher than the bottom surface of described preset pieces.
7. according to claim 5 for the piercing die in side of circular pipe wall punching, it is characterized in that, the compression spring that described elasticity mechanism comprises sleeve assembly and is located in sleeve assembly, described sleeve assembly comprises inner sleeve and overcoat, described inner sleeve and overcoat are connected with upper die holder and preset pieces respectively, and the two ends of described compression spring are fixedly connected with upper die holder and preset pieces respectively.
8. according to claim 5 for the piercing die in side of circular pipe wall punching, it is characterised in that, the bottom surface of described preset pieces is provided with the rubber pad of arc.
9. according to claim 1 for the piercing die in side of circular pipe wall punching, it is characterized in that, the top of described lower die holder is connected with lower punch, middle die holder it is provided with between described upper die holder and lower die holder, described middle die holder is connected with lower die holder by return spring, and described return spring is sheathed on the outside of guide pillar; Described round pipe placement section is located on middle die holder, and circle pipe placement section is arc deep gouge structure, and the bottom of this arc deep gouge is provided with the circular hole being connected bottom middle die holder.
10. according to claim 9 for the piercing die in side of circular pipe wall punching, it is characterized in that, described upper male mould is connected with upper die holder by upper fixed seat, described lower punch is connected with lower die holder by lower fixed seat, is equipped with cushion block between described upper male mould and upper die holder and between lower punch and lower die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910371.3U CN205270541U (en) | 2015-11-16 | 2015-11-16 | A punching die that is used for punching a hole at pipe lateral wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910371.3U CN205270541U (en) | 2015-11-16 | 2015-11-16 | A punching die that is used for punching a hole at pipe lateral wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205270541U true CN205270541U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910371.3U Expired - Fee Related CN205270541U (en) | 2015-11-16 | 2015-11-16 | A punching die that is used for punching a hole at pipe lateral wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205270541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215143A (en) * | 2015-11-16 | 2016-01-06 | 重庆持恒模具有限公司 | A kind of perforating die with auxiliary punch mechanism |
| CN105234263A (en) * | 2015-11-16 | 2016-01-13 | 重庆持恒模具有限公司 | Piercing die for piercing in sidewall of round tube |
| CN109201861A (en) * | 2018-08-31 | 2019-01-15 | 苏州荣业机械有限公司 | A kind of novel circular tube punching die |
-
2015
- 2015-11-16 CN CN201520910371.3U patent/CN205270541U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215143A (en) * | 2015-11-16 | 2016-01-06 | 重庆持恒模具有限公司 | A kind of perforating die with auxiliary punch mechanism |
| CN105234263A (en) * | 2015-11-16 | 2016-01-13 | 重庆持恒模具有限公司 | Piercing die for piercing in sidewall of round tube |
| CN109201861A (en) * | 2018-08-31 | 2019-01-15 | 苏州荣业机械有限公司 | A kind of novel circular tube punching die |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20161116 |