Trimming forming die

Abstract

The utility model discloses a trimming and forming die, and particularly relates to the field of trimming and forming dies, which comprises a base, a cushion block is fixedly arranged at the top end of the base, a convex die for placing an automobile plastic part is fixedly arranged at the top end of the cushion block, the outline of the convex die is the same as that of the automobile plastic part, a concave die is arranged right above the convex die, and the concave die is arranged right above the cushion block. The bottom end of the female die is in a blade shape, two notches are formed in the cushion block, cutting-off assemblies are arranged on the two sides of the cushion block respectively, and each cutting-off assembly comprises a cutting-off tool located in the notch on the corresponding side. According to the utility model, the concave die moves downwards to cut off waste materials at the edge of the automobile plastic part, then the frame-shaped waste materials are pressed and fixed, the hydraulic cylinder drives the cut-off tool to move upwards to cut off the frame-shaped waste materials from bottom to top, and the broken waste materials can be directly taken down and do not need to bypass the convex die and the plastic part upwards, so that the operation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trimming forming die field, concretely relates to a trimming forming die. BACKGROUND

[0002] A large part of accessories on the automobile is made of plastics, such as rearview mirror shell, center console panel, glove box door and the like, these plastic parts have a unique shape, therefore, generally, the mold is used to make.

[0003] In the actual production process, the precision of the mold is limited, therefore, the edge position of the automobile plastic part made is inevitably provided with excess waste, at this time, the trimming device is used to cut off the waste, such as the prior art disclosed in the publication number CN213972164U, a trimming forming die for automobile plastic parts.

[0004] The waste of the automobile plastic part is generally surrounded around the periphery of the plastic part main body part, when the trimming die cuts off the waste, the waste separated from the plastic part is in a closed frame type and is sleeved on the outside of the plastic part and the forming die, the waste needs to be moved to the upper side of the forming die and the plastic part, so that the cut-off waste can be taken down, the operation is relatively cumbersome, and the production efficiency is reduced. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a trimming forming die, the frame type waste is pressed tightly and fixed, then the cutting knife is driven by the hydraulic cylinder to move upward, the frame type waste is cut off from the bottom to the top, the cut-off waste can be directly taken down, does not need to bypass the convex die and the plastic part upwardly, the operation is more convenient, and the production efficiency is improved.

[0006] In order to realize the above object, the utility model provides the following technical scheme: a trimming forming die, comprising a base, the base top end is fixedly provided with a cushion block, the cushion block top end is fixedly provided with a convex die for placing the automobile plastic part, the contour of the convex die is same with the contour of the automobile plastic part, the convex die is provided with a concave die directly above, the bottom end of the concave die is in the shape of a blade;

[0007] Two notches are formed in the cushion block, the two notches are respectively and symmetrically arranged on the two sides of the convex die, the inner wall of one side of the notch is flush with the outer facade of the convex die, cutting assembly is respectively arranged on the two sides of the cushion block, the cutting assembly comprises a cutting knife in the corresponding one side notch, and the blade part of the cutting knife faces upward.

[0008] Further, the cutting assembly further comprises a hydraulic cylinder installed at the top end of the base, the piston rod top end of the hydraulic cylinder is fixedly provided with a top plate, one end of the cutting knife away from the convex die extends to the outside of the notch and is fixedly provided with a pull rod, and the pull rod top end is fixedly connected with the top plate.

[0009] Further, the concave die top is fixedly provided with a fixed beam, the convex die top is provided with a positioning groove, and the bottom of the plastic part is embedded in the positioning groove in a matched mode to fix the position of the plastic part.

[0010] Further, the base top is fixedly provided with a vertical column, the vertical column is located at the rear side of the cushion block, the front side of the vertical column is fixedly provided with a linear motor, and the rear end of the fixed beam is fixedly connected with the mover of the linear motor.

[0011] Further, two downward pressing rods penetrating through the fixed beam are arranged on the fixed beam, two pressing plates are fixedly arranged at the bottom end of the downward pressing rods, and the two pressing plates are arranged at the front and rear sides of the concave die respectively.

[0012] Further, the fixed beam is provided with a connecting plate at the top, the top end of the downward pressing rod is fixedly connected with the connecting plate, an electromagnet is fixedly arranged at the top end of the fixed beam, the electromagnet is located directly below the connecting plate, and the connecting plate is made of a material capable of being attracted by the electromagnet.

[0013] Further, two sleeves are fixedly arranged at the top end of the fixed beam, the two sleeves are respectively sleeved on the outer ends of the two downward pressing rods, the movement path of the downward pressing rod is regulated through the sleeves, the downward pressing rod can only move up and down along a straight line, two springs are arranged between the connecting plate and the fixed beam, the two ends of the spring are fixedly connected with the fixed beam and the connecting plate respectively, and the sleeve and the downward pressing rod are located on the inner side of the corresponding spring.

[0014] The utility model has the advantages of:

[0015] The waste material at the edge of the automobile plastic part is cut off through the downward movement of the concave die, then the frame-shaped waste material is pressed and fixed, the frame-shaped waste material is cut off from below to above through the upward movement of the cutting knife driven by the hydraulic cylinder, and the cut-off waste material can be directly and quickly taken off without needing to bypass the convex die and the plastic part upwardly, so that the operation difficulty is lower and the operation is more convenient, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the utility model;

[0017] Figure 2 It is the cushion block and convex die structure drawing of the utility model;

[0018] Figure 3 It is the cutting assembly structure drawing of the utility model;

[0019] Figure 4 It is the fixed beam bottom structure drawing of the utility model;

[0020] Figure 5 It is the fixed beam side sectional view of the utility model;

[0021] In the figure: 1, base; 2, stand; 3, cushion block; 301, notch; 4, linear motor; 5, cutting assembly; 501, hydraulic cylinder; 502, top plate; 503, pull rod; 504, cutting knife; 6, convex die; 601, positioning groove; 7, fixed beam; 8, connecting plate; 9, spring; 10, concave die; 11, pressing plate; 12, sleeve; 13, pressing rod; 14, electromagnet. DETAILED DESCRIPTION

[0022] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0023] Referring to the drawings accompanying the specification Figures 1-5 The utility model provides a cut -edge forming die, including base 1, the top of base 1 is fixedly provided with cushion block 3, the top of cushion block 3 is fixedly provided with the convex die 6 for placing automobile plastic part, and the profile of convex die 6 is same with the profile of automobile plastic part, the top of convex die 6 is provided with concave die 10, and the bottom of concave die 10 is knife blade shape, the top of convex die 6 is provided with positioning groove 601, and the bottom of plastic part can be embedded into positioning groove 601, to fix the position of automobile plastic part,

[0024] Before starting cutting edge operation, place automobile plastic part, below-mentioned plastic part, at the top of convex die 6, and embed the bottom of plastic part into positioning groove 601, in this state, the edge profile of plastic part is aligned with the edge profile of convex die 6, then drive concave die 10 to move downward, and the profile of the cavity in concave die 10 is also mutually fitted with the profile of convex die 6, when concave die 10 moves downward, plastic part and convex die 6 can be embedded into the cavity of concave die 10, and the waste of plastic part edge also extends to the outside of convex die 6 and concave die 10, and the bottom of concave die 10 will contact with waste in the process of moving downward, to cut off the connection between waste and plastic part, so as to cut waste from plastic part, to complete the forming work of plastic part.

[0025] For the cut waste, it also needs to be cut off, so as to be taken down, as shown in Figures 1-3 As shown, two notches 301 are formed in cushion block 3, and the two notches 301 are symmetrically arranged on both sides of convex die 6, the inner wall of one side of notch 301 is flush with the outer vertical surface of convex die 6, and cutting assembly 5 is arranged on both sides of cushion block 3, and cutting assembly 5 includes cutting knife 504 arranged in the corresponding one side of notch 301, and the blade of cutting knife 504 faces upward.

[0026] The cutting assembly 5 further comprises a hydraulic cylinder 501 mounted on the top end of the base 1, and a top plate 502 is fixedly arranged on the top end of the piston rod of the hydraulic cylinder 501, and the cutting knife 504 extends to the outside of the gap 301 away from one end of the male die 6 and is fixedly provided with a pull rod 503, and the top end of the pull rod 503 is fixedly connected with the top plate 502.

[0027] The waste cut by the female die 10 will fall to the top end of the cushion block 3 and be sleeved outside the male die 6, at this time, the waste is in a frame type, then the waste is pressed and fixed on the top end of the cushion block 3, then the hydraulic cylinder 501 is started, the piston rod of the hydraulic cylinder 501 extends upward and pushes the top plate 502 to move upward, the top plate 502 drives the pull rod 503, thereby pulling the cutting knife 504 hidden in the gap 301 to move upward, the cutting knife 504 is originally located in the gap 301 and covers the bottom of the waste, the cutting knife 504 moves upward to cut the waste from bottom to top, so that the originally frame-shaped waste is broken, and the frame-shaped waste is not closed after being broken, and the broken waste can be directly taken down without needing to pass around the male die 6 and the plastic part upward, so that the operation is more convenient and the forming efficiency is improved.

[0028] The top end of the female die 10 is fixedly provided with a fixed beam 7, the top end of the base 1 is fixedly provided with a vertical column 2, the vertical column 2 is located on the rear side of the cushion block 3, the front side of the vertical column 2 is fixedly provided with a linear motor 4, and the rear end of the fixed beam 7 is fixedly connected with the mover of the linear motor 4, and the mover of the linear motor 4 moves up and down to drive the fixed beam 7 to move up and down, thereby driving the female die 10 to move up and down through the fixed beam 7, and the cutting work is performed by controlling the movement of the female die 10.

[0029] Before the frame-shaped waste is cut, it needs to be pressed and fixed on the top end of the cushion block 3, as shown in Figure 4 、 Figure 5 Two downward pressing rods 13 penetrating through the fixed beam 7 are arranged on the fixed beam 7, two pressing plates 11 are fixedly arranged on the bottom end of the downward pressing rods 13, and the two pressing plates 11 are respectively arranged on the front and rear sides of the female die 10.

[0030] A connecting plate 8 is arranged on the top of the fixed beam 7, the top end of the downward pressing rod 13 is fixedly connected with the connecting plate 8, an electromagnet 14 is fixedly arranged on the top end of the fixed beam 7, the electromagnet 14 is located directly below the connecting plate 8, and the connecting plate 8 is made of a material that can be attracted by the electromagnet.

[0031] Two sleeve pipes 12 are fixedly arranged on the top end of the fixed beam 7, the two sleeve pipes 12 are respectively sleeved on the outer ends of the two downward pressing rods 13, the movement path of the downward pressing rod 13 is regulated through the sleeve pipe 12, so that the downward pressing rod 13 can only move up and down along a straight line, two springs 9 are arranged between the connecting plate 8 and the fixed beam 7, the two ends of the spring 9 are respectively fixedly connected with the fixed beam 7 and the connecting plate 8, and the sleeve pipe 12 and the downward pressing rod 13 are located on the inner side of the spring 9 on the corresponding side.

[0032] When the concave die 10 cuts off the waste material, the electromagnet 14 is energized, the energization generates magnetic force and attracts the connecting plate 8 to move downward, the connecting plate 8 moves downward, so that the pressing rod 13 and the pressing plate 11 are both moved downward, and the spring 9 is compressed along with the movement of the connecting plate 8, after the pressing plate 11 is moved downward, the cut-off waste material is pressed and fixed on the top end of the cushion block 3 downward, so that the subsequent cutting assembly 5 cuts off the waste material, after cutting, the electromagnet 14 is de-energized, the elastic force of the spring 9 is released and pushes the connecting plate 8 to move upward, in turn drives the pressing rod 13 and the pressing plate 11 to move upward and return to the original position, releases the fixation of the waste material, and facilitates the taking down of the waste material.

[0033] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A trimming die comprising a base (1), characterized in that: The base (1) top end is fixedly provided with a cushion block (3), the cushion block (3) top end is fixedly provided with a convex die (6) for placing automobile plastic parts, the convex die (6) is provided with a concave die (10) directly above, and the bottom end of the concave die (10) is in the shape of a knife edge; Two notches (301) are formed in the cushion block (3), and the two notches (301) are respectively arranged on the two sides of the convex die (6), the cushion block (3) is respectively provided with a cutting assembly (5) on the two sides, and the cutting assembly (5) comprises a cutting knife (504) arranged in the corresponding notch (301).

2. A trim-forming die according to claim 1, wherein: The cutting assembly (5) further comprises a hydraulic cylinder (501) mounted at the top end of the base (1), a top plate (502) is fixedly arranged at the top end of the piston rod of the hydraulic cylinder (501), one end of the cutting knife (504) away from the convex die (6) extends to the outside of the notch (301) and is fixedly provided with a pull rod (503), and the top end of the pull rod (503) is fixedly connected with the top plate (502).

3. A trim-forming die according to claim 1, wherein: The top end of the concave die (10) is fixedly provided with a fixed beam (7), and the top end of the convex die (6) is provided with a positioning groove (601).

4. A trim-forming die according to claim 3, wherein: The top end of the base (1) is fixedly provided with a stand column (2), the stand column (2) is located at the rear side of the cushion block (3), a linear motor (4) is fixedly arranged on the front side of the stand column (2), and the rear end of the fixed beam (7) is fixedly connected with the mover of the linear motor (4).

5. A trim-flanging die according to claim 3 wherein: Two downward pressing rods (13) penetrating through the fixed beam (7) are arranged on the fixed beam (7), and two pressing plates (11) are fixedly arranged at the bottom end of the downward pressing rod (13), and the two pressing plates (11) are respectively arranged on the front and rear sides of the concave die (10).

6. A trim-flanging die according to claim 5, wherein: The top of the fixed beam (7) is provided with a connecting plate (8), the top end of the downward pressing rod (13) is fixedly connected with the connecting plate (8), the top end of the fixed beam (7) is fixedly provided with an electromagnet (14), and the electromagnet (14) is located directly below the connecting plate (8).

7. A trim-flanging die according to claim 6, wherein: The top end of the fixed beam (7) is fixedly provided with two sleeve pipes (12), the two sleeve pipes (12) are respectively sleeved on the outer ends of the two downward pressing rods (13), and two springs (9) are arranged between the connecting plate (8) and the fixed beam (7), and the two ends of the spring (9) are fixedly connected with the fixed beam (7) and the connecting plate (8) respectively. The top end of the fixed beam (7) is fixedly provided with two sleeve pipes (12), the two sleeve pipes (12) are respectively sleeved on the outer ends of the two downward pressing rods (13), and two springs (9) are arranged between the connecting plate (8) and the fixed beam (7), and the two ends of the spring (9) are fixedly connected with the fixed beam (7) and the connecting plate (8) respectively.

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