CN217858326U - Trimming and punching composite die for precision parts - Google Patents
Trimming and punching composite die for precision parts Download PDFInfo
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- CN217858326U CN217858326U CN202222275474.XU CN202222275474U CN217858326U CN 217858326 U CN217858326 U CN 217858326U CN 202222275474 U CN202222275474 U CN 202222275474U CN 217858326 U CN217858326 U CN 217858326U
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- gear
- connecting plate
- sleeve
- trimming
- punching
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Abstract
The utility model discloses a trimming and punching composite die for precision parts, which comprises a fixed die, wherein a vertical hole is formed in the middle of the fixed die, a ring groove is formed above the fixed die, the ring groove is arranged outside the vertical hole, four racks are equidistantly arranged on the side wall of the fixed die, and a positioning device is arranged on each rack; the positioning device comprises a gear, a rotating shaft and an L-shaped rod; the gear is rotationally connected with the L-shaped rod through a rotating shaft and is meshed with the rack; the L-shaped rods are respectively installed on the punching device. This precision part side cut compound mould that punches a hole drives the connecting plate through the diaphragm and moves down, then the connecting plate drives L shape pole and moves down, makes tooth on the gear roll along the alveolus on the rack, makes and gives the vertical downstream of diaphragm, then in the drift stretches into the vertical hole, in the ring cutting piece stretched into the ring channel simultaneously, made movable mould and cover half perfect agree with, made the die-cut precision of part high.
Description
Technical Field
The utility model relates to the technical field of dies, specifically be a compound mould that punches a hole is cut edge to accurate part.
Background
The mould is a tool which can make the blank into a finished piece with a specific shape and size under the action of external force, and is widely used in the forming processing of compression molding or injection molding of blanking and the like, the mould has a specific outline or an inner cavity shape, the blank can be separated (blanked) according to the outline shape by applying the outline shape with a cutting edge, the blank can obtain a corresponding three-dimensional shape by applying the inner cavity shape, the mould generally comprises a movable mould and a fixed mould (or a male mould and a female mould), the movable mould and the fixed mould can be closed, the finished piece is taken out when the movable mould is separated, the blank is injected into a mould cavity to be formed when the fixed mould is closed, the trimming and the punching of some precision parts need to be finished by the mould, and the trimming and the punching of the current precision parts are complex mould, and the cutting and punching precision of the parts are low due to the unstable fit between the movable mould and the fixed mould.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a precision part side cut compound mould that punches a hole to solve the present precision part side cut compound mould that punches a hole that proposes in the above-mentioned background art, because movable mould and cover half agree with unstably, cause the part to surely punch the precision low.
In order to achieve the above object, the utility model provides a following technical scheme: a trimming and punching composite die for precision parts comprises a fixed die, wherein a vertical hole is formed in the middle of the fixed die, an annular groove is formed above the fixed die and is arranged on the outer side of the vertical hole, four racks are equidistantly arranged on the side wall of the fixed die, and a positioning device is arranged on each rack;
the positioning device comprises a gear, a rotating shaft and an L-shaped rod;
the gear is rotationally connected with the L-shaped rod through a rotating shaft and is meshed with the rack;
the L-shaped rods are respectively arranged on a punching device, and the punching device comprises a transverse plate, a connecting plate, a punch and a circular cutting piece;
the connecting plate is arranged below the transverse plate, the side wall of the connecting plate is provided with an L-shaped rod, the punch is arranged in the middle of the lower part of the connecting plate, the circular cutting piece is arranged below the connecting plate, and the circular cutting piece is arranged on the outer side of the punch;
the punch and the vertical hole are positioned on the same straight line;
the ring cutting piece and the ring groove are positioned on the same straight line.
Preferably, the guide post is installed on the top of diaphragm, the guide post is connected with external cylinder.
Preferably, a limiting device is arranged below the transverse plate and comprises a vertical rod and a sleeve;
the utility model discloses a safety protection device for bicycle, including montant, sleeve, montant, stop device, the montant is installed in the below of diaphragm, the sleeve is installed in the top of cover half, the sleeve is arranged in to the below of montant, montant and sleeve clearance fit, stop device's quantity is four, stop device equidistance is arranged in the below of diaphragm.
Preferably, a spring is arranged below each vertical rod, and the springs are respectively arranged inside the lower part of the sleeve.
Preferably, each vertical rod is provided with a rotating device, and each rotating device comprises two pulleys, two pin shafts, two brackets and two sliding grooves;
each pulley is connected with a support through a round pin axle rotation, two the spout is seted up respectively in the inside both sides of sleeve, each pulley and a spout sliding connection.
Preferably, each gear is provided with a clamping device, and each clamping device comprises a circular groove, four clamping blocks and four clamping grooves;
the circular slot is seted up in the gear, the circular slot is arranged in to the pivot, pivot and circular slot clearance fit, four the fixture block equidistance is installed in the pivot, four the draw-in groove equidistance is seted up in the circular slot, each the fixture block joint is in a draw-in groove.
Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the trimming and punching composite die for the precision parts has the advantages that:
the connecting plate is driven to move downwards through the transverse plate, the connecting plate drives the L-shaped rod to move downwards, teeth on the gear roll along tooth grooves on the rack, the transverse plate is driven to move vertically downwards, the punch extends into the vertical hole, meanwhile, the annular cutting piece extends into the annular groove, the movable die and the fixed die are perfectly matched, and the punching precision of the component is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the rotating shaft, the clamping block and the clamping groove in fig. 1.
In the figure: 1. the device comprises a fixed die, 2, a vertical hole, 3, an annular groove, 4, a punching device, 401, a transverse plate, 402, a connecting plate, 403, a punch, 404, a circular cutting piece, 5, a positioning device, 501, a gear, 502, a rotating shaft, 503, an L-shaped rod, 6, a limiting device, 601, a vertical rod, 602, a sleeve, 7, a guide post, 8, a rack, 9, a spring, 10, a pulley, 11, a pin shaft, 12, a support, 13, a sliding groove, 14, a circular groove, 15, a clamping block, 16 and a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a trimming and punching composite die for precision parts comprises a fixed die 1, wherein a vertical hole 2 is formed in the middle of the fixed die 1, an annular groove 3 is formed above the fixed die 1, the annular groove 3 is arranged outside the vertical hole 2, four racks 8 are equidistantly arranged on the side wall of the fixed die 1, and a positioning device 5 is arranged on each rack 8;
the positioning device 5 comprises a gear 501, a rotating shaft 502 and an L-shaped rod 503;
the gear 501 is rotatably connected with the L-shaped rod 503 through a rotating shaft 502, the gear 501 rotates on the L-shaped rod 503 through the rotating shaft 502, and the gear 501 is meshed with the rack 8;
the L-shaped rods 503 are respectively arranged on the punching device 4, and the punching device 4 comprises a transverse plate 401, a connecting plate 402, a punch 403 and a circular cutting piece 404;
the connecting plate 402 is arranged below the transverse plate 401, the side wall of the connecting plate 402 is provided with an L-shaped rod 503, the punch 403 is arranged in the middle of the lower part of the connecting plate 402, the circular cutting piece 404 is arranged below the connecting plate 402, the circular cutting piece 404 is arranged on the outer side of the punch 403, the transverse plate 401 drives the connecting plate 402 to move downwards, the connecting plate 402 drives the L-shaped rod 503 to move downwards, teeth on the gear 501 roll along tooth grooves on the rack 8, the component is placed on the fixed die 1, the transverse plate 401 drives the connecting plate 402 to move downwards, the connecting plate 402 drives the punch 403 to move downwards, the punch 403 extends into the vertical hole 2 to punch the component, the connecting plate 402 drives the circular cutting piece 404 to move downwards, and the circular cutting piece 404 extends into the annular groove 3 to cut edges of the component;
the punch 403 and the vertical hole 2 are on the same straight line, so that the deviation of the punched part is prevented;
the ring-cutting piece 404 is in the same line with the ring-shaped groove 3, so that the deviation of the component trimming is prevented.
Guide post 7 is installed on the top of diaphragm 401, and guide post 7 is connected with external cylinder, and external cylinder passes through guide post 7 and drives diaphragm 401 and remove, and cylinder field known technique, ancient do not do too much the repeated description.
A limiting device 6 is arranged below the transverse plate 401, and the limiting device 6 comprises a vertical rod 601 and a sleeve 602;
the montant 601 is installed in the below of diaphragm 401, and sleeve 602 is installed in the top of cover half 1, and in sleeve 602 was arranged in the below of montant 601, montant 601 and sleeve 602 clearance fit, diaphragm 401 drove montant 601 and moves down, then montant 601 stretches out and draws back in sleeve 602, and stop device 6's quantity is four, and stop device 6 equidistance is arranged in the below of diaphragm 401.
A spring 9 is installed below each vertical rod 601, the springs 9 are respectively installed inside the lower portion of the sleeve 602, the vertical rods 601 move downwards in the sleeve 602, the springs 9 are pressed in the sleeve 602, otherwise, the vertical rods 601 drive the transverse plate 401 to reset through the elasticity of the springs 9, and one-time component processing is completed.
Each vertical rod 601 is provided with a rotating device, and each rotating device comprises two pulleys 10, two pin shafts 11, two supports 12 and two sliding grooves 13;
each pulley 10 is rotatably connected with one support 12 through a pin shaft 11, the pulleys 10 rotate on the supports 12 through the pin shafts 11, two sliding grooves 13 are respectively formed in two sides of the interior of the sleeve 602, each pulley 10 is slidably connected with one sliding groove 13, the pulleys 10 roll in the sliding grooves 13, sliding friction is replaced by rolling friction, friction force between the vertical rod 601 and the sleeve 602 is reduced, and parts are machined more smoothly.
Each gear 501 is provided with a clamping device, and each clamping device comprises a circular groove 14, four clamping blocks 15 and four clamping grooves 16;
When the trimming and punching composite die for the precision part is used, firstly, the part is placed on the fixed die 1, an external air cylinder drives the transverse plate 401 to move downwards through the guide post 7, the transverse plate 401 drives the connecting plate 402 to move downwards, then the connecting plate 402 drives the L-shaped rod 503 to move downwards, teeth on the gear 501 roll along tooth grooves on the rack 8, meanwhile, the vertical rod 601 stretches out and draws back in the sleeve 602, the transverse plate 401 is vertically moved downwards, the connecting plate 402 drives the punch 403 to move downwards, the punch 403 extends into the vertical hole 2, the part is punched and processed, meanwhile, the connecting plate 402 drives the annular cutting piece 404 to move downwards, and the annular cutting piece 404 extends into the annular groove 3, so that the part is trimmed and processed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a precision part side cut compound mould that punches a hole, includes cover half (1), its characterized in that: a vertical hole (2) is formed in the middle of the fixed die (1), an annular groove (3) is formed above the fixed die (1), the annular groove (3) is arranged on the outer side of the vertical hole (2), four racks (8) are equidistantly arranged on the side wall of the fixed die (1), and a positioning device (5) is arranged on each rack (8);
the positioning device (5) comprises a gear (501), a rotating shaft (502) and an L-shaped rod (503);
the gear (501) is rotatably connected with the L-shaped rod (503) through a rotating shaft (502), and the gear (501) is meshed with the rack (8);
the L-shaped rods (503) are respectively installed on a punching device (4), and the punching device (4) comprises a transverse plate (401), a connecting plate (402), a punch (403) and a circular cutting piece (404);
the connecting plate (402) is arranged below the transverse plate (401), an L-shaped rod (503) is arranged on the side wall of the connecting plate (402), the punch (403) is arranged in the middle of the lower portion of the connecting plate (402), the circular cutting piece (404) is arranged below the connecting plate (402), and the circular cutting piece (404) is arranged on the outer side of the punch (403);
the punch (403) and the vertical hole (2) are positioned on the same straight line;
the ring cutting piece (404) and the ring groove (3) are positioned on the same straight line.
2. The trimming and punching composite die for precision parts as claimed in claim 1, wherein: guide post (7) are installed on the top of diaphragm (401), guide post (7) are connected with external cylinder.
3. The trimming and punching composite die for precision parts as claimed in claim 1, wherein: a limiting device (6) is arranged below the transverse plate (401), and the limiting device (6) comprises a vertical rod (601) and a sleeve (602);
montant (601) are installed in the below of diaphragm (401), the top in cover half (1) is installed in sleeve (602), sleeve (602) is arranged in to the below of montant (601), montant (601) and sleeve (602) clearance fit, the quantity of stop device (6) is four, stop device (6) equidistance is arranged in the below of diaphragm (401).
4. The trimming and punching composite die for precision parts as claimed in claim 3, wherein: each spring (9) is installed below the vertical rod (601), and the springs (9) are installed inside the lower portion of the sleeve (602) respectively.
5. The trimming and punching composite die for the precision parts as claimed in claim 3, wherein: each vertical rod (601) is provided with a rotating device, and each rotating device comprises two pulleys (10), two pin shafts (11), two brackets (12) and two sliding grooves (13);
each pulley (10) is connected with a support (12) through a round pin axle (11) and rotates, two spout (13) are seted up respectively in sleeve (602) inside both sides, each pulley (10) and a spout (13) sliding connection.
6. The trimming and punching composite die for precision parts as claimed in claim 1, wherein: each gear (501) is provided with a clamping device, and each clamping device comprises a circular groove (14), four clamping blocks (15) and four clamping grooves (16);
round slot (14) are seted up in gear (501), round slot (14) are arranged in pivot (502), pivot (502) and round slot (14) clearance fit, four fixture block (15) equidistance is installed on pivot (502), four in round slot (14), each is seted up to draw-in groove (16) equidistance fixture block (15) joint is in a draw-in groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275474.XU CN217858326U (en) | 2022-08-29 | 2022-08-29 | Trimming and punching composite die for precision parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275474.XU CN217858326U (en) | 2022-08-29 | 2022-08-29 | Trimming and punching composite die for precision parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217858326U true CN217858326U (en) | 2022-11-22 |
Family
ID=84078495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222275474.XU Active CN217858326U (en) | 2022-08-29 | 2022-08-29 | Trimming and punching composite die for precision parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217858326U (en) |
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2022
- 2022-08-29 CN CN202222275474.XU patent/CN217858326U/en active Active
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