CN214352990U - Rotary cutting die for side wall of thin-wall product - Google Patents

Abstract

The utility model relates to the technical field of cutting devices, in particular to a rotary cutting die for the side wall of a thin-wall product, which comprises a guide pin, an upper die holder, a limiting column, an upper knife edge, an upper pressure plate, a lower support plate, an elastic rubber pad, a lower knife edge and a lower die holder; the upper die base is arranged above the lower die base, the bottom end of the guide pin penetrates through the upper die base and the upper knife edge to be connected with the upper pressure plate, the guide pin is fixedly connected with the upper die base in a clamping mode, a connecting groove matched with the conical surface of the upper die base is formed in the position, corresponding to the guide pin, of the upper die base, and the guide pin and the connecting groove are arranged in a clearance mode; the limiting column and the upper knife edge are assembled at the bottom of the upper die holder, and the upper pressure plate is installed at the bottom of the upper knife edge; the lower knife edge is arranged on the lower die base, and the elastic rubber pad and the lower material supporting plate are arranged in the knife edge formed at the top end of the lower knife edge. The utility model discloses locating pin about the original mould of cancellation for upper die base and die holder can the horizontal direction freely remove, utilize spacing post to guarantee the clearance of going up the lower edge of a knife simultaneously.

Description

Rotary cutting die for side wall of thin-wall product

Technical Field

The utility model relates to a cutting device technical field specifically is a rotatory cutting die of thin wall product lateral wall.

Background

The plastic uptake forming process is that the plastic coiled material is heated and formed into the structure and the shape of a product by a thermoforming machine, and finally the final finished product is cut. The existing product is cut mainly by a cutter or a die in the vertical direction, and the product can have a cutting flange edge. As the market changes, many medical or high-end electronics require no flanged edges, creating a need for side wall cuts.

There are two main ways to cut the existing sidewall: a slide die and a swing die. The slide block die can only move in one direction through the slide block, and is suitable for cutting a simple side wall opening in one direction; the cutting of a circle of side wall can be realized only by matching a plurality of sets of dies. The swing die converts the power of the punch in the vertical direction into horizontal motion in four directions to realize one-time cutting of the side wall through tooth grooves; the swing die can not realize continuous cutting in a circle, and needs accurate tooth sockets to convert motion, and the die is easy to wear, and the whole cost and the maintenance cost are very high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory cutting die of thin wall product lateral wall to the continuous cutting of the realization lateral wall a week that proposes in solving above-mentioned background art, the product can be by accurate positioning before the cutting simultaneously, and the relative lower edge of a knife keeps fixed in cutting process, can be pushed up out the problem after the cutting is accomplished.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary cutting die for the side wall of a thin-wall product comprises a guide pin, an upper die holder, a limiting column, an upper knife edge, an upper pressure plate, a lower material supporting plate, an elastic rubber mat, a lower knife edge and a lower die holder; the upper die holder is arranged above the lower die holder, and the bottom end of the guide pin penetrates through the upper die holder and the upper knife edge to be connected with the upper material pressing plate and is clamped on the upper die holder after being fixed; the limiting column and the upper knife edge are both assembled at the bottom of the upper die holder, and the upper material pressing plate is installed at the bottom of the upper knife edge; the lower tool opening is arranged on the lower die base, and the lower material supporting plate is arranged above the elastic rubber pad.

Preferably, the limiting columns are arranged in a plurality and are arranged at the peripheral sides of the lower surface of the upper die base at intervals, and the gap between the upper knife edge and the lower knife edge is correspondingly adjusted by controlling the height of the limiting columns.

Preferably, the upper part of the guide pin is in a truncated cone-shaped structure with a wide upper part and a narrow lower part, and the lower part of the guide pin is in a columnar structure.

Preferably, a connecting groove matched with the conical surface of the upper die holder is formed in the position, corresponding to the guide pin, of the upper die holder, and the guide pin and the connecting groove are arranged in a gap mode.

Preferably, the elastic rubber pad and the lower material supporting plate are both arranged in a knife edge formed at the top end of the lower knife edge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses locating pin about the original mould of cancellation for upper die base and die holder can the horizontal direction freely remove, utilize spacing post to guarantee the clearance of going up the lower edge of a knife simultaneously.

2. The utility model designs the upper pressure plate into a suspension design, and when the upper die base and the lower die base are opened, the upper pressure plate can automatically return to the original position through the positioning pin; in the closing process of the upper die base and the lower die base, the upper pressure plate can be accurately positioned through the side wall corresponding to a product, the die structure is simplified, the cost is reduced, and the cutting stability is improved.

3. The utility model discloses at the closed back of upper die base and die holder, go up the pressure flitch and can press flitch vertical direction compaction product from top to bottom under the effect of elasticity cushion down because the product is by accurate positioning, goes up pressure flitch and lower tool mouth can be with the compaction of product lateral wall, guarantees that the product is fully fixed before the cutting, and stability is stronger, improves machining precision and efficiency.

4. When the upper die base and the lower die base are opened, the lower material pressing plate is ejected out by the elastic rubber mat, and a product can not be completely placed in the lower knife edge, so that the product can not be directly contacted with the lower knife edge to cause scratch; after cutting is completed, the lower pressing plate can eject the product out under the action of the elastic rubber pad, contact of a lower knife edge is avoided, and the condition of scratching is prevented.

5. The utility model discloses a new mechanical structure has realized that the lateral wall once only cuts all around, has simplified process flow, has promoted output.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the specific structure of the present invention.

In the figure: 1. a pilot pin; 2. an upper die holder; 3. a limiting column; 4. an upper knife edge; 5. feeding a pressure plate; 6. a lower material supporting plate; 7. an elastic rubber pad; 8. a lower knife edge; 9. and a lower die holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a rotary cutting die for the side wall of a thin-wall product comprises a guide pin 1, an upper die base 2, a limiting column 3, an upper knife edge 4, an upper pressure plate 5, a lower material supporting plate 6, an elastic rubber mat 7, a lower knife edge 8 and a lower die base 9; the upper die holder 2 is arranged above the lower die holder 9, the bottom end of the guide pin 1 penetrates through the upper die holder 2 and the upper knife edge 4 to be connected with the upper pressure plate 5, the guide pin is fixedly clamped on the upper die holder 2, a connecting groove matched with the conical surface of the upper die holder 2 is formed in the position, corresponding to the guide pin 1, of the upper die holder 2, and the guide pin 1 and the connecting groove are arranged in a clearance mode; the limiting column 3 and the upper knife edge 4 are assembled at the bottom of the upper die holder 2, and the upper material pressing plate 5 is installed at the bottom of the upper knife edge 4; the lower knife edge 8 is installed on the lower die base 9, and the elastic rubber pad 7 and the lower material supporting plate 6 are both arranged in a knife edge formed at the top end of the lower knife edge 8.

Further, the gap between the upper knife edge 4 and the lower knife edge 8 is correspondingly adjusted by controlling the height of the limiting column 3.

Further, in the working process of the equipment, the lower die holder 9 is driven by a driving mechanism to rotate horizontally, the upper pressure plate 5, the lower material supporting plate 6, the lower knife edge 8 and a product to be cut clamped in the lower pressure plate rotate for a circle along the horizontal direction of the lower die holder 9, so that a horizontal shearing force is generated between the upper pressure plate and the lower knife edge 4, and the purpose of cutting the side wall of the product is achieved.

Further, when the upper die holder 2 and the lower die holder 9 are in an open state, the upper pressure plate 5 automatically returns under the action of gravity through the matching between the conical surface of the guide pin 1 connected with the upper pressure plate and the connecting groove between the upper die holder 2.

Further, in the process of closing the upper die holder 2 and the lower die holder 9, the upper pressure plate 5 after returning realizes the positioning of the horizontal position of the product to be cut through the side wall corresponding to the product.

Further, after the upper die holder 2 and the lower die holder 9 are closed, the upper pressure plate 5 and the lower material supporting plate 6 are fixed in the vertical direction under the action of the elastic rubber mat 7; meanwhile, the side wall of the upper pressure plate 5 corresponding to the product enables the product to be cut to be fixed relative to the lower knife edge 8 in the horizontal direction, so that the stability of the product to be cut in the rotating motion process is guaranteed.

Further, the elastic rubber pad 7 is used for ensuring the pressure for fixing the product to be cut in the vertical direction after the upper die base 2 and the lower die base 9 are closed, and avoiding crushing the product.

Further, after the upper die holder 2 and the lower die holder 9 are separated, the lower material supporting plate 6 ejects a product under the action of the elastic rubber pad 7, so that the product and the lower tool opening 8 are prevented from being scratched, and the product taking-out efficiency is improved; meanwhile, the upper pressure plate 5 is reset due to gravity and is ready for starting the cutting process of the next period.

The working principle is as follows: before cutting, the upper die base 2 and the lower die base 9 are separated, at the moment, the upper pressure plate 5 sinks under the action of gravity, and the guide pin 1 connected with the upper pressure plate automatically returns to a theoretical cutting position due to the fact that a matched conical surface exists between the guide pin and the upper die base 2. Then, a product to be cut is placed on the lower material supporting plate 5, the lower material supporting plate 5 is in an ejection state under the elastic action of the elastic rubber pad 7, and the product to be cut can only be preliminarily positioned, so that the product cannot collide with the edge of the lower knife edge 8 to be scratched.

Starting the machine, closing the upper die holder 2 and the lower die holder 9, and accurately positioning the horizontal position of the product to be cut by the upper pressure plate 5 through the side wall corresponding to the product; after the upper die holder 2 and the lower die holder 9 are closed, the upper pressure plate 5 and the lower material supporting plate 6 can fix the product in the vertical direction under the action of the elastic rubber mat 7; meanwhile, the side wall of the upper pressure plate 5 corresponding to the product enables the product to be cut to be relatively fixed relative to the lower knife edge 8 in the horizontal direction, so that the product to be cut is completely fixed in the rotating motion process, and the cutting stability is guaranteed.

After the upper die holder 2 and the lower die holder 9 are closed, the driving mechanism drives the lower die holder 9 to start horizontal rotation, and meanwhile, the upper pressure plate 5, the lower material supporting plate 6, the lower knife edge 8 and a product to be cut clamped in the upper pressure plate rotate synchronously for a circle along the horizontal direction of the lower die holder 9, so that a horizontal shearing force is generated between the upper pressure plate and the lower knife edge 4, and the product is cut off from the side wall.

After the side wall of the product is cut off, the upper die base 2 and the lower die base 9 start to be separated, the lower material supporting plate 5 ejects out the cut product under the action of the elastic rubber pad 7, so that the product and the edge of the lower knife edge 8 are prevented from being scratched, the taking-out efficiency is improved, and meanwhile, the upper material pressing plate 5 returns to the original position under the action of gravity to prepare for starting the cutting process of the next period.

It is worth noting that: the whole device realizes control over the driving mechanism through the driving mechanism, and since the equipment matched with the driving mechanism is common known equipment of professionals in the field, the device belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure are not described in detail herein.

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 (5)

1. The utility model provides a thin wall product lateral wall rotary cutting mould which characterized in that: the device comprises a guide pin (1), an upper die base (2), a limiting column (3), an upper knife edge (4), an upper pressure plate (5), a lower material supporting plate (6), an elastic rubber mat (7), a lower knife edge (8) and a lower die base (9); the upper die holder (2) is arranged above the lower die holder (9), and the bottom end of the guide pin (1) penetrates through the upper die holder (2) and the upper knife edge (4) to be connected with the upper pressure plate (5) and is fixedly clamped on the upper die holder (2); the limiting column (3) and the upper knife edge (4) are both assembled at the bottom of the upper die holder (2), and the upper pressure plate (5) is installed at the bottom of the upper knife edge (4); the lower knife edge (8) is installed on the lower die base (9), and the lower material supporting plate (6) is arranged above the elastic rubber mat (7).

2. The rotary cutting die for the side wall of a thin-walled product according to claim 1, wherein: the limiting columns (3) are arranged in a plurality and are arranged on the peripheral side of the lower surface of the upper die base (2) at intervals, and the gap between the upper knife edge (4) and the lower knife edge (8) is correspondingly adjusted by controlling the height of the limiting columns (3).

3. The rotary cutting die for the side wall of a thin-walled product according to claim 1, wherein: the upper part of the guide pin (1) is of a truncated cone-shaped structure with a wide upper part and a narrow lower part, and the lower part of the guide pin (1) is of a columnar structure.

4. The rotary cutting die for the side wall of a thin-walled product according to claim 1, wherein: the upper die holder (2) is provided with a connecting groove matched with the conical surface of the guide pin (1) at a position corresponding to the guide pin, and the guide pin (1) and the connecting groove are arranged in a clearance mode.

5. The rotary cutting die for the side wall of a thin-walled product according to claim 1, wherein: the elastic rubber pad (7) and the lower material supporting plate (6) are arranged in a knife edge formed at the top end of the lower knife edge (8).

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