Injection molding part mold device with cutting function

Abstract

The utility model discloses an injection-molded part mold device with a cutting function, which comprises a mold shell and further comprises a forming component, the forming component comprises a bottom plate arranged at the bottom of the mold shell, a forming sleeve is arranged at the top of the bottom plate, and a guide part is arranged at the top of the mold shell; the cutting assembly comprises a cutting box arranged on the edge side of the top of the mold shell, a cutter is arranged in an inner cavity of the cutting box, a driving part is arranged on the top of the inner wall of the cutting box, a locking part is arranged on the outer side of the cutting box, and a reset part is arranged on the edge side of the cutter; the cutting assembly is arranged on the edge side of the top of the mold shell, after plastic injection molding is preliminarily formed, the locking part is unlocked, the driving part drives the cutter to cut the residual tail of plastic, the reset part can drive the cutter to reset, and compared with cutting of the residual tail of the plastic after a worker waits for cooling of the mold, the cutting efficiency is greatly improved. The operation of directly cutting off the plastic in the mold without contacting the plastic can shorten the cutting operation time of the plastic.

Description

Technical Field

[0001] The utility model relates to the field of injection mold equipment, in particular to an injection mold device with a cutting function. Background Art

[0002] During the plastic injection molding process, the remaining plastic tail often needs to be cut after the product is formed to ensure the integrity and aesthetics of the product. The traditional operation method is to wait for the mold to cool down, then take the plastic product out and have the worker hold the plastic product to perform the cutting operation.

[0003] However, this operation method has problems. Waiting for the mold to cool will extend the entire production cycle of the plastic product. Workers also need to mark the parts to be cut and then use cutting tools to cut them, which is a time-consuming process.

[0004] Therefore, in order to solve the problem that the cutting process of the residual plastic tail is time-consuming, the utility model proposes an injection mold device with a cutting function. Utility Model Content

[0005] The purpose of the present utility model is to provide an injection mold device with a cutting function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an injection mold device with a cutting function, comprising a mold shell, and further comprising:

[0007] A molding assembly, which is used for fixed molding of plastic, and includes a base plate disposed at the bottom of a mold shell, a molding sleeve disposed at the top of the base plate and located in the inner cavity of the mold shell, and a guide portion disposed at the top of the mold shell for introducing plastic fluid into the inner cavity of the mold shell;

[0008] A cutting assembly is used to cut the residual tail of the molded plastic. The cutting assembly includes a cutting box arranged on the top side of the mold shell. The inner cavity of the cutting box is provided with a cutter for inserting and connecting with the mold shell and the side of the molding sleeve. The top of the inner wall of the cutting box is provided with a driving part for pushing the cutter to move. The outer side of the cutting box is provided with a locking part for fixing the cutter, and the side of the cutter is provided with a reset part.

[0009] Preferably, the driving part includes a compressed gas chamber arranged on the inner wall of the cutting box, an air inlet nozzle for connecting to the compressed gas chamber is provided on the outside of the cutting box, a push plate is provided on the top of the cutter, and a seal for sealing the compressed gas chamber is provided on the side of the push plate.

[0010] Preferably, the sealing member includes a sealing layer, and the sealing layer is arranged on the side of the push plate.

[0011] Preferably, the locking portion includes an insertion rod connected to the side of the cutting box, the side of the cutter is provided with a lock hole for the insertion of the insertion rod, and a resilient member for maintaining the insertion of the insertion rod is provided at the insertion point of the insertion rod and the cutting box.

[0012] Preferably, the resilient member comprises a compression spring and a pressure ring sleeved on the outside of the insertion rod, and the pressure ring is arranged on a side of the compression spring close to the cutter.

[0013] Preferably, the reset portion includes a pull rope inserted and connected to the side of the cutting box, and the end of the pull rope is fixedly connected to the side of the cutter.

[0014] Preferably, the guide portion includes an upper cover arranged on the top of the mold shell, an injection nozzle is provided on the top of the upper cover, a speaker deflector is provided in the inner cavity of the upper cover, and connecting rods for fixing the speaker deflector are symmetrically provided on the inner wall of the upper cover.

[0015] Preferably, locking bolts are symmetrically provided on the top of the upper cover, and the locking bolts are used to fix the mold shell and the upper cover.

[0016] The technical effects and advantages of this utility model are:

[0017] The utility model provides a cutting assembly on the top side of the mold shell. After the plastic is initially injection-molded, the locking part is unlocked, and the driving part drives the cutter to cut the remaining plastic tail. The reset part can drive the cutter to reset and prepare for the next cutting operation. Compared with the worker waiting for the mold to cool down before cutting the remaining plastic tail, this operation of directly cutting in the mold without contacting the plastic can shorten the plastic cutting operation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the schematic structural diagrams of the entire utility model.

[0019] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0020] Figure 3 It is a cross-sectional view of the entire utility model.

[0021] Figure 4 For this utility model Figure 3 A magnified view of the structure in the middle.

[0022] Figure 5 It is a cross-sectional view of the locking portion of the utility model.

[0023] In the figure: 1. Mold shell; 2. Upper cover; 201. Injection nozzle; 202. Locking bolt; 203. Speaker guide plate; 204. Connecting rod; 3. Cutting box; 301. Compressed gas chamber; 3011. Air inlet nozzle; 4. Cutter; 401. Pull rope; 402. Locking hole; 403. Push plate; 404. Sealing layer; 5. Locking part; 501. Insert rod; 502. Compression spring; 503. Pressing ring; 6. Bottom plate; 7. Molding sleeve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides Figure 1-5 The injection mold device with cutting function shown includes a mold shell 1, a molding component and a cutting component;

[0026] Specifically, the molding assembly is used for fixed molding of plastics. The molding assembly includes a bottom plate 6 arranged at the bottom of the mold shell 1. A molding sleeve 7 is arranged on the top of the bottom plate 6 and located in the inner cavity of the mold shell 1. A guide portion for introducing plastic fluid into the inner cavity of the mold shell 1 is arranged on the top of the mold shell 1.

[0027] It should be noted that the bottom plate 6 and the mold shell 1 are fixed by welding. The forming sleeve 7 is a square tubular object with one end closed. It is made of carbon structural steel and has a threaded hole on the top. The top of the bottom plate 6 is also provided with a threaded groove. The bottom plate 6 and the forming sleeve 7 are fixed by bolts inserted through the threaded holes and the threaded grooves.

[0028] Specifically, the guide portion includes an upper cover 2 disposed on the top of the mold shell 1, an injection nozzle 201 is disposed on the top of the upper cover 2, a speaker guide plate 203 is disposed in the inner cavity of the upper cover 2, and connecting rods 204 for fixing the speaker guide plate 203 are symmetrically disposed on the inner wall of the upper cover 2;

[0029] It should be noted that the injection nozzle 201 is welded to the top of the upper cover 2, the inner cavity of the upper cover 2 is connected to the inner cavity of the injection nozzle 201, the top of the speaker deflector 203 is closed, and it is welded to the connecting rod 204, and the connecting rod 204 is welded to the inner wall of the upper cover 2. The setting of the connecting rod 204 does not affect the flow of the plastic fluid;

[0030] Specifically, locking bolts 202 are symmetrically provided on the top of the upper cover 2. The locking bolts 202 are used to fix the mold shell 1 and the upper cover 2. The bottom ends of the locking bolts 202 are threadedly connected to the tops of the mold shell 1 and the upper cover 2, thereby fixing them.

[0031] Specifically, the cutting assembly includes a cutting box 3 arranged on the top side of the mold shell 1. The inner cavity of the cutting box 3 is provided with a cutter 4 for inserting and connecting to the mold shell 1 and the side of the forming sleeve 7. The top of the inner wall of the cutting box 3 is provided with a driving part for pushing the cutter 4 to move. The outer side of the cutting box 3 is provided with a locking part 5 for fixing the cutter 4. The side of the cutter 4 is provided with a reset part.

[0032] It should be noted that the cutting assembly is used to cut the remaining tail of the molded plastic. The cutting box 3 is fixed to the mold shell 1 by welding, and the side of the mold shell 1 is provided with a movable hole for the cutter 4 to move through.

[0033] Specifically, the driving unit includes a compressed gas chamber 301 provided on the inner wall of the cutting box 3, an air inlet nozzle 3011 for communicating with the compressed gas chamber 301 is provided on the outside of the cutting box 3, a push plate 403 is provided on the top of the cutter 4, and a sealing member for sealing the compressed gas chamber 301 is provided on the side of the push plate 403;

[0034] It should be noted that the air inlet nozzle 3011 is used to connect to the compressed gas tank, the push plate 403 is welded and fixed to the top of the cutter 4, and the sealing member includes a sealing layer 404, which is provided on the side of the push plate 403;

[0035] Specifically, the sealing layer 404 is made of rubber, and the sealing layer 404 and the push plate 403 are bonded with glue;

[0036] The locking portion 5 includes an insertion rod 501 inserted and connected to the side of the cutting box 3. A resilient member is provided at the insertion point of the insertion rod 501 and the cutting box 3 to maintain the insertion of the insertion rod 501.

[0037] It should be noted that a lock hole 402 is provided on the side of the cutter 4 for inserting the rod 501, and the resilient member includes a compression spring 502 and a pressure ring 503 sleeved on the outside of the rod 501, and the pressure ring 503 is arranged on the side of the compression spring 502 close to the cutter 4;

[0038] Specifically, the pressure ring 503 is fixed to the outer side of the insertion rod 501 by glue. The cutter 4 is unlocked by pulling the insertion rod 501, so that the compressed gas drives the cutter 4 to move and cut through the push plate 403. The inner wall of the mold shell 1 is provided with an annular groove for the movement of the cutter 4, thereby limiting the position of the cutter 4 during movement. The cutter 4 cannot contact the inner wall of the side of the annular groove away from the cutting box 3, thereby preventing the cutter 4 from being damaged by collision.

[0039] Specifically, the reset portion includes a pull rope 401 inserted and connected to the side of the cutting box 3. The end of the pull rope 401 is fixedly connected to the side of the cutter 4 by welding. The pull rope 401 is used to reset the cutter 4 after it pops out.

[0040] During actual use, a cutting assembly is provided on the top side of the mold shell 1. After the plastic is initially injection molded, the locking portion 5 is unlocked, and the driving portion drives the cutter 4 to cut the remaining plastic tail. The reset portion can drive the cutter 4 to reset and prepare for the next cutting operation. Compared with the staff waiting for the mold to cool down before cutting the remaining plastic tail, this type of cutting operation that directly cuts off the plastic in the mold without contacting the plastic can shorten the plastic cutting operation time.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection mold device with a cutting function, comprising a mold shell (1), characterized in that: Also includes: A molding assembly, the molding assembly is used for fixed molding of plastic, the molding assembly comprises a bottom plate (6) arranged at the bottom of a mold shell (1), a molding sleeve (7) is arranged at the top of the bottom plate (6) and located in the inner cavity of the mold shell (1), and a guide portion for introducing plastic fluid into the inner cavity of the mold shell (1) is arranged at the top of the mold shell (1); A cutting assembly is used for cutting the residual tail of the molded plastic. The cutting assembly includes a cutting box (3) arranged on the top side of the mold shell (1). The inner cavity of the cutting box (3) is provided with a cutter (4) for inserting and connecting with the mold shell (1) and the side of the molding sleeve (7). The top of the inner wall of the cutting box (3) is provided with a driving part for pushing the cutter (4) to move. The outer side of the cutting box (3) is provided with a locking part (5) for fixing the cutter (4). The side of the cutter (4) is provided with a reset part.

2. The injection mold device with cutting function according to claim 1, characterized in that: The driving unit includes a compressed gas chamber (301) arranged on the inner wall of the cutting box (3), an air inlet nozzle (3011) for connecting to the compressed gas chamber (301) is arranged on the outer side of the cutting box (3), a push plate (403) is arranged on the top of the cutter (4), and a sealing member for sealing the compressed gas chamber (301) is arranged on the side of the push plate (403).

3. The injection mold device with cutting function according to claim 2, characterized in that: The sealing member comprises a sealing layer (404), and the sealing layer (404) is arranged on the side of the push plate (403).

4. The injection mold device with cutting function according to claim 1, characterized in that: The locking portion (5) includes an insertion rod (501) inserted and connected to the side of the cutting box (3); a locking hole (402) for the insertion of the insertion rod (501) is provided on the side of the cutter (4); and a resilient member for maintaining the insertion of the insertion rod (501) is provided at the insertion point between the insertion rod (501) and the cutting box (3).

5. The injection mold device with cutting function according to claim 4, characterized in that: The resilient member comprises a compression spring (502) and a pressure ring (503) sleeved on the outside of the insertion rod (501); the pressure ring (503) is arranged on a side of the compression spring (502) close to the cutter (4).

6. The injection mold device with a cutting function according to claim 1, characterized in that: The reset portion comprises a pull rope (401) inserted and connected to the side of the cutting box (3), and the end of the pull rope (401) is fixedly connected to the side of the cutter (4).

7. The injection mold device with a cutting function according to claim 1, characterized in that: The guide portion comprises an upper cover (2) arranged on the top of the mold shell (1), an injection nozzle (201) is arranged on the top of the upper cover (2), a speaker guide plate (203) is arranged in the inner cavity of the upper cover (2), and connecting rods (204) for fixing the speaker guide plate (203) are symmetrically arranged on the inner wall of the upper cover (2).

8. The injection mold device with a cutting function according to claim 7, characterized in that: Locking bolts (202) are symmetrically arranged on the top of the upper cover (2), and the locking bolts (202) are used to fix the mold shell (1) and the upper cover (2).

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