CN217831474U

CN217831474U - Switching mechanism for small-space punching of punching die

Info

Publication number: CN217831474U
Application number: CN202221238766.XU
Authority: CN
Inventors: 蒋梦婷; 焦克成; 夏宇生; 付三令
Original assignee: Rayhoo Motor Dies Co ltd
Current assignee: Rayhoo Motor Dies Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-18
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a switching mechanism that stamping die small space punches a hole, including the cylinder mounting panel, cylinder mounting panel top one side is provided with fixed drift, and fixed drift is close to and is provided with movable drift, and activity drift bottom is provided with the guide block of vertical activity, and the guide block drives through the activity slotting tool backing plate that the cylinder is connected and carries out vertical activity, and the cylinder is installed on the cylinder mounting panel. By arranging the fixed punch and the movable punch which can move longitudinally, one punch always punches the hole, and the other punch can be switched to realize selective punching; the movable punch is fixed through the guide block, and the guide block is driven by the movable slotting tool base plate to move longitudinally, so that the longitudinal movement switching of the movable punch is realized; realize local dodging like this, place the drift of different demands respectively on movable and unmovable backing plate, make the plate reach required product shape, reduce the waste in mould space, reduce mould manufacturing cost.

Description

Switching mechanism for small-space punching of punching die

Technical Field

The utility model relates to a stamping die field especially relates to a switching mechanism that little space of press die punched a hole.

Background

Because the cost is reduced in order to improve efficiency constantly, in order to satisfy the switching of different motorcycle types, consequently various switching and waste recycling's mould is more and more. Therefore, in the plate production process of the automobile stamping die, the switching mechanism needs to be considered so as to meet the switching of various automobile types. In the existing die trimming die design, a pneumatic switching mechanism is used during punching switching to realize the shape required by people. The prior art patent CN201895035U discloses a fast switching mechanism for punching, which uses a cylinder as a power source, converts the horizontal movement of an adjusting rod driven by the cylinder into the up-and-down movement of a punch through a wedge structure, and the punch moves up to punch or moves down to retract into a punch fixing seat without punching, so as to realize fast switching of punching. But one needs punch a hole all the time in the actual production, and one needs to switch, and it is spacing to switch to need carry out accurate direction, and the cavity that above-mentioned patent formed through drift fixing base and backing plate carries out longitudinal movement operation, and the drift stretches out the drift fixing base, and this mechanism direction is not accurate, and operates inconveniently when needing to change the drift, needs another kind of direction accurate structure of easily changing the drift, so this problem needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a switching mechanism for punching a small space of a punching die, which comprises an air cylinder mounting plate, wherein one side of the top of the air cylinder mounting plate is provided with a fixed punch which is close to a movable punch, the bottom of the movable punch is provided with a guide block which can move longitudinally, the guide block is driven by a movable slotting tool backing plate connected with an air cylinder to move longitudinally, and the air cylinder is arranged on the air cylinder mounting plate; and the cylinder mounting plate is provided with a guide limiting mechanism for fixing the guide block.

The further improvement lies in that the bottom end of one side, close to the cylinder, of the guide block is a first inclined surface, the side, close to the guide block, of the movable slotting tool base plate is a second inclined surface matched with the first inclined surface, and when the movable slotting tool base plate moves, the second inclined surface is in contact with the first inclined surface until the movable slotting tool base plate completely jacks up the guide block.

The further improvement is that the guide limiting mechanism comprises two longitudinal guide posts arranged on the cylinder mounting plate, the two guide posts upwards penetrate through the guide block, the two guide posts are positioned on two sides of one oblique diagonal of the guide block, the top ends of the guide posts are provided with limiting heads, and through holes for the guide posts to longitudinally move are formed in the guide block; the inner wall of the through hole is a smooth surface matched with the guide post to move; the movable cutter inserting backing plate is inserted between the two guide posts.

The further improvement is that after the guide block is completely jacked up by the movable slotting tool base plate, the guide block is in contact with the limiting head for limiting.

The further improvement lies in that the side of the guide block is provided with a magnetic attraction block, the cylinder mounting plate is made of iron, and when the movable punch does not work, the magnetic attraction block is attracted on the cylinder mounting plate.

The further improvement is that the fixed punch is fixed on the cylinder mounting plate through a fixed base plate.

The improved structure is characterized in that the fixed punch is a round punch, and the movable punch is a square punch.

The utility model has the advantages that: 1. the utility model has the advantages that by arranging the fixed punch and the movable punch which can move longitudinally, one punch hole is always carried out, and the other punch hole can be switched to realize selective punching; the movable punch is fixed through the guide block, and the guide block is driven by the movable slotting tool base plate to move longitudinally, so that the longitudinal movement switching of the movable punch is realized; realize local dodging like this, place the drift of different demands respectively on movable and unmovable backing plate, make the plate reach required product shape, reduce the waste in mould space, reduce mould manufacturing cost.

2. The utility model discloses the cylinder mounting panel sets up the direction stop gear and leads spacing to the guide block of movable drift, drives the inclined plane two of movable slotting tool backing plate and the inclined plane one of guide block to contact through the cylinder and jack up the guide block gradually, and the in-process of guide block jack-up is matchd with the guide post through the smooth through-hole of inner wall, realizes accurate smooth and easy direction and removes, and after the guide block jacks up completely, it is spacing with spacing head contact, and movable drift is in operating condition and fixed drift operation of punching a hole this moment; the movable punch can be directly detached and replaced when needing to be replaced, the guide limiting mechanism is not required to be detached, and the movable punch is very convenient.

3. The side surface of the guide block of the utility model is adsorbed together with the iron cylinder mounting plate through the magnetic adsorption block when the movable punch head does not work; the fixed punch is circular, and the movable punch is square to meet the actual punching requirement.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a side view of the movable cutter-inserting backing plate and the guide block of the present invention.

Fig. 4 is a side view of the movable tool insert plate of fig. 3 lifting the guide block.

Wherein: the device comprises a cylinder mounting plate 1, a fixed punch 2, a movable punch 3, a guide block 4, a cylinder 5, a movable cutter inserting backing plate 6, a guide column 7, a limiting head 8, a through hole 9, an inclined plane I10, an inclined plane II 11, a magnetic attraction block 12 and a fixed backing plate 13.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are only used to explain the present invention, and do not constitute limitations to the scope of the present invention.

As shown in fig. 1-4, the embodiment provides a switching mechanism for small-space punching of a punching die, which includes a cylinder mounting plate 1, wherein a fixed punch 2 is arranged on one side of the top of the cylinder mounting plate 1, the fixed punch 2 is close to a movable punch 3, a longitudinally movable guide block 4 is arranged at the bottom of the movable punch 3, the guide block 4 is driven by a movable slotting tool backing plate 6 connected with a cylinder 5 to longitudinally move, and the cylinder 5 is mounted on the cylinder mounting plate 1; and the cylinder mounting plate 1 is provided with a guide limiting mechanism for fixing the guide block 4. By arranging the fixed punch 2 and the movable punch 3 which can move longitudinally, one punch can be always punched, and the other punch can be switched to realize selective punching; the movable punch 3 is fixed through the guide block 4, and the guide block 4 is driven by the movable cutter inserting base plate 6 to move longitudinally, so that the longitudinal movement switching of the movable punch 3 is realized; realize local dodging like this, through placing the drift of different demands respectively on movable and unmovable backing plate, make the plate reach required product shape, reduce the waste in mould space, reduce mould manufacturing cost.

The bottom end of one side, close to the air cylinder 5, of the guide block 4 is a first inclined surface 10, one side, close to the guide block 4, of the movable slotting tool backing plate 6 is a second inclined surface 11 matched with the first inclined surface 10, and when the movable slotting tool backing plate 6 moves, the second inclined surface 11 is in contact with the first inclined surface 10 until the movable slotting tool backing plate 6 completely jacks up the guide block 4. The guide limiting mechanism comprises two longitudinal guide posts 7 arranged on the air cylinder mounting plate 1, the two guide posts 7 upwards penetrate through the guide block 4, the two guide posts 7 are positioned on two sides of one diagonal of the guide block 4, limiting heads 8 are arranged at the top ends of the guide posts 7, and through holes 9 for the guide posts 7 to longitudinally move are formed in the guide block 4; the inner wall of the through hole 9 is a smooth surface matched with the guide post 7 to move; the movable cutter inserting backing plate 6 is inserted between the two guide columns 7. After the guide block 4 is completely jacked up by the movable cutter inserting base plate 6, the guide block 4 is contacted with the limiting head 8 for limiting. The cylinder mounting plate 1 is provided with a guide limiting mechanism for guiding and limiting a guide block 4 of a movable punch 3, the cylinder 5 drives a second inclined surface 11 of a movable slotting tool backing plate 6 to contact with a first inclined surface 10 of the guide block 4 to gradually jack up the guide block 4, the guide block 4 is matched with a guide post 7 through a through hole 9 with a smooth inner wall in the jacking process, accurate and smooth guide movement is realized, the guide block 7 is in contact with a limiting head 8 for limiting after being completely jacked up, and the movable punch 3 is in a working state and performs punching operation with a fixed punch 2; the movable punch 3 can be directly detached and replaced when needing to be replaced, the guide limiting mechanism is not required to be detached, and the movable punch is very convenient to use.

The side of the guide block 4 is provided with a magnetic attraction block 12, the cylinder mounting plate 1 is iron, and when the movable punch 3 does not work, the magnetic attraction block 12 is attracted to the cylinder mounting plate 1. The fixed punch 2 is fixed on the cylinder mounting plate 1 through a fixed backing plate 13. The fixed punch 2 is a round punch, and the movable punch 3 is a square punch. The side surface of the guide block 4 is adsorbed together with the iron cylinder mounting plate 1 through the magnetic attraction block 12 when the movable punch does not work, and the guide block 4 can freely fall down to enable the magnetic attraction block 12 to be adsorbed with the iron cylinder mounting plate 1 due to the matching of the through hole 9 with the smooth inner wall and the guide column 7 and the action of gravity; the fixed punch 2 is circular, and the movable punch 3 is square to meet the actual punching requirement.

In actual use: when the movable punch 3 does not need to punch, the air cylinder 5 drives the movable slotting tool base plate 6 to be far away from the guide block 4, the guide block 4 freely falls down, the magnetic attraction block 12 is attracted with the air cylinder mounting plate 1, and only the fixed punch 2 punches at the moment; when the movable punch 3 needs to punch, the starting cylinder 5 drives the movable slotting tool backing plate 6 to be close to the guide block 4, the second inclined plane 11 of the movable slotting tool backing plate 6 is contacted with the first inclined plane 10 of the guide block 4 to jack up the guide block 4 gradually, the guide block 4 is contacted with the limiting head 8 after being completely jacked up, and the movable punch 3 is positioned at the top end and punches a hole together with the fixed punch 2.

Claims

1. A switching mechanism for small-space punching of a punching die comprises a cylinder mounting plate (1) and is characterized in that a fixed punch (2) is arranged on one side of the top of the cylinder mounting plate (1), the fixed punch (2) is next to a movable punch (3), a longitudinally movable guide block (4) is arranged at the bottom of the movable punch (3), the guide block (4) is driven by a movable slotting tool backing plate (6) connected with a cylinder (5) to move longitudinally, and the cylinder (5) is mounted on the cylinder mounting plate (1); and the cylinder mounting plate (1) is provided with a guide limiting mechanism for fixing the guide block (4).

2. The switching mechanism for small-space punching of the punching die according to claim 1, characterized in that the bottom end of the side of the guide block (4) close to the cylinder (5) is provided with a first inclined surface (10), the side of the movable cutter-inserting pad (6) close to the guide block (4) is provided with a second inclined surface (11) matched with the first inclined surface (10), and when the movable cutter-inserting pad (6) moves, the second inclined surface (11) contacts with the first inclined surface (10) until the guide block (4) is completely jacked up by the movable cutter-inserting pad (6).

3. The switching mechanism for small-space punching of the punching die according to claim 2, characterized in that the guiding and limiting mechanism comprises two longitudinal guide posts (7) arranged on the cylinder mounting plate (1), the two guide posts (7) upwardly penetrate through the guide block (4), the two guide posts (7) are positioned on two sides of an oblique diagonal of the guide block (4), a limiting head (8) is arranged at the top end of each guide post (7), and a through hole (9) for the longitudinal movement of the guide post (7) is arranged in the guide block (4); the inner wall of the through hole (9) is a smooth surface matched with the movement of the guide post (7); the movable cutter inserting backing plate (6) is inserted between the two guide columns (7).

4. The switching mechanism for small-space punching of the punching die as claimed in claim 3, wherein the guide block (4) is contacted with the limiting head (8) for limiting after the guide block (4) is completely jacked up by the movable cutter-inserting backing plate (6).

5. The switching mechanism for the small-space punching of the punching die as claimed in claim 1, wherein the magnetic attraction block (12) is arranged on the side surface of the guide block (4), the cylinder mounting plate (1) is made of iron, and when the movable punch (3) does not work, the magnetic attraction block (12) is attracted on the cylinder mounting plate (1).

6. The switching mechanism for small-space punching of a punching die according to claim 1, wherein the stationary punch (2) is fixed to the cylinder mounting plate (1) by a stationary pad (13).

7. The switching mechanism for small-space punching of a punching die according to claim 1, wherein the fixed punch (2) is a circular punch and the movable punch (3) is a square punch.