CN218134394U

CN218134394U - Punching auxiliary device for punching machine

Info

Publication number: CN218134394U
Application number: CN202222789428.1U
Authority: CN
Inventors: 肖文龙
Original assignee: Mingtai Precision Stamping Wujiang Co ltd
Current assignee: Mingtai Precision Stamping Wujiang Co ltd
Priority date: 2022-10-22
Filing date: 2022-10-22
Publication date: 2022-12-27
Anticipated expiration: 2032-10-22

Abstract

The utility model relates to a punching auxiliary device for punching machine, it is including installing upper die base and the platelike die holder on the punching machine, the upper die base is located the top of die holder, columniform lower mould is installed at the die holder top, the columniform mould of going up is installed to upper die base bottom, the bottom of going up the mould is equipped with columniform arch, the top of lower mould is equipped with the indent with protruding looks adaptation, the bottom surface central point of indent puts and wears to be equipped with the pilot pin, bellied central point puts and is equipped with the locating hole that supplies the pilot pin to insert. This application has the pressure hole precision height, convenient to use's effect.

Description

Punching auxiliary device for punching machine

Technical Field

The application relates to the field of punching and pore-forming, in particular to a punching auxiliary device for a punching machine.

Background

At present, in some plate processing, through hole drilling technology needs to be carried out on different positions of a plate according to requirements, hole pressing needs to be carried out on the position of the through hole by taking the circle center of the through hole as the center, the plate is usually placed on a transmission device in actual production, and the plate is directly pressed by using a punching machine and being in rhythmic pause in cooperation with the transmission device. The inventor thinks that the precision of adjusting the punching position of the plate relative to the punching machine by using the transmission device is not high, and the center of the through hole is not coincident with the center of the pressing hole, so that the processed plate is not in accordance with requirements.

SUMMERY OF THE UTILITY MODEL

In order to improve the punching precision of pressure hole, this application provides a punching auxiliary device for piercing mill.

The application provides a punching auxiliary device for piercing mill adopts following technical scheme:

the utility model provides a punching auxiliary device for punching machine, is including installing upper die base and the die holder on the punching machine, the upper die base is located the top of die holder, the lower mould is installed at the die holder top, the last mould is installed to the upper die base bottom, the bottom of going up the mould is equipped with the arch, the top of lower mould be equipped with the indent of protruding looks adaptation, the bottom surface central point of indent puts and wears to be equipped with the pilot pin, bellied central point puts and is equipped with the confession the locating hole that the pilot pin inserted.

Through adopting above-mentioned technical scheme, place panel back on last mould, can carry out the punching press location to panel after passing the through-hole of panel through the pilot pin, drive piercing press makes upper die base and die holder move in opposite directions can make and go up mould and lower mould motion in opposite directions, and in the pilot pin can pass the locating hole of last mould in the motion process, indent and protruding cooperation can make the pressure hole shaping in the punching press in-process.

In a specific possible embodiment, a linear jacking mechanism is arranged at the bottom of the lower die base, a guide hole is formed in the lower die base, an output shaft of the linear jacking mechanism penetrates through the guide hole to be connected with the bottom of the positioning needle, and the positioning needle can move in the vertical direction.

Through adopting above-mentioned technical scheme, drive sharp climbing mechanism can drive the pilot pin and move along vertical direction, moves down when the top is less than the top of lower mould to the top when the pilot pin, can be convenient for the workman place panel on the lower mould, can be convenient for the change of panel or the removal of panel.

In a specific embodiment, the diameter of the positioning pin becomes larger from the top of the positioning pin to the bottom of the positioning pin.

By adopting the technical scheme, the positioning pin can be conveniently inserted into the through hole of the plate, and the situation that the positioning pin cannot be inserted into the through hole when a worker preliminarily corrects the position of the plate is avoided; when the drive straight line climbing mechanism, the process that straight line climbing mechanism's output shaft drove the thimble and passes the through-hole also has the effect to the further school position of panel, and when panel was not accurate location completely promptly, the thimble can let the fine motion appear in panel.

In a specific possible embodiment, a concave pit is formed at the bottom of the protrusion, a connecting hole is formed at the bottom of the concave pit, a mounting hole is formed at the bottom of the upper die, and the protrusion and the upper die are connected together through a bolt.

By adopting the technical scheme, the bulge can be detached from the upper die for cleaning, and sundries remained on the bulge after multiple processing are placed, so that the situation that the punched press hole has irregular bulges and can not meet the quality requirement is avoided; and the projections can also be removed to replace projections of other patterns as desired.

In a specific embodiment, the bottom of the bolt is higher than the bottom of the projection.

Through adopting above-mentioned technical scheme, structural damage or pressure hole structural damage appear in the punching press in-process bolt can be avoided to the interior installation design of bolt to lead to pressing the unsatisfied demand in hole.

In a specific embodiment, the upper mold is a rubber upper mold.

Through adopting above-mentioned technical scheme, rubber is elastic material, can have the buffering when mould and lower mould contact on the rubber in stamping process, avoids going up mould or lower mould after a lot of processing to appear structural damage to a certain extent.

In a specific possible embodiment, bearing blocks are arranged on the top of the lower die holder and positioned on two sides of the upper die, and the top of each bearing block is as high as the top of the lower die holder.

Through adopting above-mentioned technical scheme, the bearing piece can play the bearing effect to the panel that will process, avoids the condition of not being convenient for to place to appear in great panel.

In a specific possible implementation scheme, a plurality of matching holes are formed in the top of the bearing block, a guide piece is arranged on the top of the bearing block, a butt joint hole is formed in the guide piece, and the matching holes and the butt joint hole are connected with screws together.

Through adopting above-mentioned technical scheme, the guide can play the guide effect to the removal of panel to the guide can dock with a plurality of connecting holes, makes the guide can change different positions in order to satisfy different panel size requirements.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after a plate is placed on an upper die, the plate can be punched and positioned after a positioning pin penetrates through a through hole of the plate, the upper die base and the lower die base are driven to move in opposite directions by driving a punching machine, the upper die and the lower die can move in opposite directions, the positioning pin can penetrate through a positioning hole of the upper die in the moving process, and a hole pressing forming can be realized by matching the inner concave part with the convex part in the punching process;

2. the driving linear jacking mechanism can drive the positioning needle to move along the vertical direction, when the positioning needle moves downwards to a position where the top of the positioning needle is lower than the top of the lower die, a worker can place a plate on the lower die conveniently, the plate can be replaced or moved conveniently, and when the positioning needle is driven to move upwards, the process that the ejector pin penetrates through the through hole has the effect of further aligning the plate, namely when the plate is not positioned accurately completely, the ejector pin can enable the plate to slightly move;

3. after placing panel on the lower mould, can have the buffering when mould and lower mould contact on the rubber in stamping process, avoid going up mould or lower mould after the processing many times to appear structural damage to a certain extent.

Drawings

Fig. 1 is a schematic view of the overall structure of the punching machine.

Fig. 2 is a schematic overall structure diagram of a punching auxiliary device for a punching machine according to an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application.

Description of reference numerals: 1. an upper die holder; 11. an upper die; 111. mounting holes; 112. a bolt; 12. a protrusion; 121. a pit; 1211. connecting holes; 13. positioning holes; 2. a lower die holder; 21. a lower die; 22. recessing; 23. a positioning pin; 24. a vertical plate; 241. a linear jacking mechanism; 25. a bearing block; 251. a mating hole; 252. a guide member; 2521. a butt joint hole; 26. a guide hole; 3. punching the end; 4. a stamped end.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The punching precision of the pressure hole is improved by installing the application on a punching machine. Referring to fig. 1, a punching end 3 and a punched end 4 located below the punching end are provided on the punching machine.

The embodiment of the application discloses auxiliary device that punches a hole for piercing mill. Referring to fig. 2 and 3, a punching auxiliary device for punching machine is including installing upper die base 1 on punching press end 3 and installing die holder 2 on being punched press end 4, upper die base 1 is located the top of die

holder

2, 2 tops of die holder have columniform lower mould 21 through the screw installation, 1 bottom fixed mounting of upper die base has columniform last mould 11, the bottom of going up mould 11 is equipped with columniform arch 12, the top of lower mould 21 is equipped with the indent 22 with protruding 12 looks adaptation, locating pin 23 is worn to be equipped with by the bottom surface central point of indent 22, the central point of arch 12 puts and is equipped with and supplies locating pin 23 male locating hole 13.

Firstly, the plate is placed on the upper die 11, then the plate can be positioned by penetrating the through hole of the plate through the positioning pin 23, the punching machine is driven to enable the upper die base 1 and the lower die base 2 to move oppositely, so that the upper die 11 and the lower die 21 move oppositely, the positioning pin 23 can penetrate through the positioning hole 13 of the upper die 11 in the movement process of the upper die 11 and the lower die 21, and the concave 22 is matched with the bulge 12 in the punching process, so that the hole pressing forming on the plate can be realized.

Referring to fig. 3, a vertical plate 24 is fixedly installed at the bottom of the lower die holder 2, a linear jacking mechanism 241 is installed on the vertical plate 24, the model of the linear jacking mechanism 241 is TPA65S-P10-L100-M, a guide hole 26 is formed in the lower die holder 2, the lower die 21 is hollow inside, an output shaft of the linear jacking mechanism 241 penetrates through the guide hole 26 to be fixedly connected with the bottom of the positioning needle 23 in an inner cavity of the lower die 21, and the positioning needle 23 can move in the vertical direction; the diameter of the positioning pin 23 becomes larger gradually from the top of the positioning pin 23 to the bottom of the positioning pin 23.

After the workman placed panel on lower mould 21 top, the workman carries out preliminary location to panel earlier for the through-hole on the panel can be passed to pilot pin 23, and drive sharp climbing mechanism 241 makes its output shaft drive the thimble remove insert the through-hole this moment in, because the diameter at pilot pin 23 top is less, so when panel is not accurate location completely, the thimble can let the fine motion appear in panel.

Referring to fig. 3, a recess 121 is formed at the bottom of the protrusion 12, a connection hole 1211 is formed at the bottom of the recess 121, a mounting hole 111 is formed at the bottom of the upper die 11, the protrusion 12 and the upper die 11 are connected together by a bolt 112, and the bottom of the bolt 112 is higher than the bottom of the protrusion 12, i.e., the bolt 112 does not contact with the sheet material during the stamping process, so that the sheet material can be protected from being damaged by the bolt 112. The upper die 11 is made of rubber, the upper die 11 made of rubber generates buffering in the contact process with the lower die 21, and the possibility of structural damage of the upper die 11 or the lower die 21 after multiple machining is reduced to a certain extent.

Referring to fig. 3, the top of the lower die holder 2 is provided with bearing blocks 25 at both sides of the lower die 21, and the tops of the bearing blocks 25 are at the same height as the top of the lower die holder 2; referring to fig. 2, the top of the support block 25 is provided with a plurality of matching holes 251, the top of the support block 25 is further provided with an L-shaped guide 252, the guide 252 is provided with a docking hole 2521, the matching hole 251 and the docking hole 2521 are connected together with screws, the guide 252 can guide the movement of the plate, and the docking hole 2521 can be docked with different matching holes 251, so that the guide 252 can be exchanged in different positions to meet the size requirements of different plates.

The implementation principle of the punching auxiliary device for the punching machine in the embodiment of the application is as follows: the position of guide 252 has first been adjusted so that satisfy panel size needs, place panel on last mould 11 through the direction of guide 252 again, then the position of preliminary adjustment panel makes the pilot pin 23 can pass through-hole on the panel, drive straight line climbing mechanism 241 makes its output shaft drive pilot pin 23 shift up and pass the through-hole this moment, then the redrive piercing press makes last mould 11 and lower mould 21 do the opposite movement, make it bump and let panel pressure hole shaping to go up mould 11 lower mould 21, take the pressure hole shaping back, the drive piercing press makes last mould 11 and lower mould 21 reset, drive straight line climbing mechanism 241 makes the pilot pin 23 reset simultaneously, make the top of pilot pin 23 be less than the top of lower mould 21.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a punching auxiliary device for punching machine, is including installing upper die base (1) and die holder (2) on the punching machine, upper die base (1) is located the top of die holder (2), lower mould (21) are installed at die holder (2) top, upper die base (1) bottom is installed and is gone up mould (11), its characterized in that: go up the bottom of mould (11) and be equipped with arch (12), the top of lower mould (21) be equipped with indent (22) of arch (12) looks adaptation, the bottom surface central point of indent (22) puts and wears to be equipped with pilot pin (23), the central point of arch (12) puts and is equipped with the confession pilot pin (23) male locating hole (13).

2. A punch assist apparatus for a punch machine as recited in claim 1, wherein: the bottom of lower die holder (2) is equipped with sharp climbing mechanism (241), it has guiding hole (26) to open on lower die holder (2), the output shaft of sharp climbing mechanism (241) passes guiding hole (26) with the bottom of pilot pin (23) links to each other, vertical direction motion can be followed in pilot pin (23).

3. A punch assist apparatus for a punch machine as recited in claim 2, wherein: the diameter of the positioning needle (23) is gradually increased from the top of the positioning needle (23) to the bottom of the positioning needle (23).

4. A punch assist apparatus for a punch machine as recited in claim 1, wherein: the bottom of the protrusion (12) is provided with a pit (121), the bottom surface of the pit (121) is provided with a connecting hole (1211), the bottom of the upper die (11) is provided with a mounting hole (111), and the protrusion (12) and the upper die (11) are connected with a bolt (112) together.

5. A punch assist apparatus for a punch machine as recited in claim 4, wherein: the bottom of the bolt (112) is higher than the bottom of the projection (12).

6. A punch assist apparatus for a punch machine as recited in claim 1, wherein: the upper die (11) is a rubber upper die (11).

7. The punching assisting device for the punching machine according to claim 1, characterized in that: the top of the lower die holder (2) is positioned on two sides of the upper die (11) and is provided with bearing blocks (25), and the top of each bearing block (25) is as high as the top of the lower die holder (2).

8. The punching assisting device for the punching machine according to claim 7, characterized in that: the top of the bearing block (25) is provided with a plurality of matching holes (251), the top of the bearing block (25) is provided with a guide piece (252), the guide piece (252) is provided with a butt joint hole (2521), and the matching holes (251) and the butt joint hole (2521) are connected with screws together.