Center block assembly of injection mold capable of preventing sticking of waste edges

Abstract

The utility model discloses an injection mold center block assembly capable of preventing sticking of slitter edges, and particularly relates to the technical field of mold parts, the injection mold center block assembly comprises a mold butt joint shell, a supporting disc and a push rod, the supporting disc is fixed at the top end of the mold butt joint shell, the push rod is slidably connected to the inner wall of the supporting disc, and a synchronous cleaning structure is arranged at the top end of the push rod; the synchronous cleaning structure comprises a mold middle block fixedly arranged at the top end of the push rod, the outer wall of the mold middle block is fixedly connected with a plurality of supports, and one end of each support is fixedly connected with a connecting block. A supporting frame is arranged on the outer walls of the connecting blocks, and the multiple connecting blocks are fixedly connected with the supporting frame. According to the synchronous cleaning structure, the push rod is pushed upwards through the electric cylinder, the mold middle block drives the multiple supports to move upwards, the scraping frame drives the cleaning scraper to move upwards, large-area cleaning is achieved on the waste edge bonding position, waste edges at the edge position are synchronously cleaned, waste edge bonding is avoided, and the later use effect of the mold is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould part technical field more specifically, the utility model relates to the center block subassembly of injection mould of preventing waste edge sticking. BACKGROUND

[0002] The center block subassembly of injection mould of preventing waste edge sticking has important role in injection mould, and its main use is to prevent waste edge residue: the subassembly design usually includes waste edge overflow along structure, and these structures reserve space for the generation of waste edge in the injection process. The waste edge generated in the injection process can be taken out together with the product, and then removed from the product in the later period, thereby avoiding the waste edge residue on the mould.

[0003] In the existing public literature, the patent with the patent announcement number CN215472829U discloses an injection mould structure for improving the correction degree of injection products. This technology melts and extrudes the injection raw material, so that the air in the injection raw material is discharged into the storage pipe. Compared with the existing injection mould structure, this design effectively reduces the bubbles in the injection product during injection, ensures the appearance flatness of the injection product, eliminates the need for manual repair, saves manpower and time, improves the production quality of the injection product, and thus improves the work efficiency of producing the injection product. However, this technology still has the following problems.

[0004] During the use of the center block subassembly of injection mould, the waste edge of the injection part may adhere to the inner wall of the injection mould during the injection process, so that the center block needs to provide central support force during cleaning to realize edge cleaning, and it is difficult to clean the waste edge at the edge position simultaneously, the waste edge is easily bonded, and the late use effect of the mould is poor. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides the following technical scheme: the center block subassembly of injection mould of preventing waste edge sticking, including mould butt joint shell, support disc and push rod, the support disc is fixed at the top end of the mould butt joint shell, the push rod is slidably connected to the inner wall of the support disc, and the top end of the push rod is provided with a synchronous cleaning structure; the synchronous cleaning structure includes a mould center block fixedly arranged at the top end of the push rod, and a plurality of supports are fixedly connected to the outer wall of the mould center block, and one end of each support is fixedly connected with a connecting block; the outer wall of the connecting block is provided with a support frame, and the connecting blocks are fixedly connected between the support frames, the upper surface of the support frame is fixedly connected with a scraping frame, and the top end of the scraping frame is fixedly connected with a cleaning scraper.

[0006] Preferably, the plurality of supports are arranged in a rectangular equidistant distribution, and the cross-sectional shape of the connecting block is circular. The top end of the cleaning scraper has a smaller cross-sectional area than the bottom end, and the cleaning scraper is made of stainless steel. The mold docking shell is fixedly connected with a mounting ring on the outer wall, and a plurality of mounting holes are formed in the mounting ring. The plurality of mounting holes are arranged in a circular equidistant distribution, and the bottom end of the push rod is fixedly connected with an electric cylinder. The electric cylinder is fixedly connected with a support block between the mold docking shell.

[0007] When the technical solution is used, the mold docking shell supports the support block, the support block supports the support disc, and the support block can also support the electric cylinder. The push rod drives the mold middle block to move upwards, the mold middle block drives the plurality of supports to move upwards, the connecting block drives the support frame to move upwards, the scraping frame drives the cleaning scraper to move upwards, and the cleaning scraper cleans and cuts off along the edge of the bottom mold.

[0008] Preferably, the top end of the mold middle block is provided with a guide positioning structure. The guide positioning structure comprises a middle strip fixedly arranged at the top end of the mold middle block, and a guide block fixedly connected with the top end of the middle strip. The top end of the guide block is connected with a support ring, the inner wall of the support ring is fixedly connected with a positioning column, and the top end of the positioning column is fixedly connected with a guide middle end.

[0009] When the upper mold and the lower mold are docked, the upper mold is guided along the guide middle end to the outer wall of the positioning column, guided along the positioning column to the outer wall of the guide block, the mold middle block supports the middle strip, and the upper mold and the bottom mold are precisely positioned in the middle.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] The support block can also support the electric cylinder, the electric cylinder drives the push rod to move upwards, the push rod drives the mold middle block to move upwards, the mold middle block drives the plurality of supports to move upwards, the supports drive the connecting block to move upwards, the scraping frame drives the cleaning scraper to move upwards, and the cleaning scraper cleans and cuts off along the edge of the bottom mold. The waste edge can be synchronously cleaned at the edge position, the waste edge is prevented from being bonded, and the mold has better use effect in later period.

[0012] 2. The utility model adopts a guide positioning structure, the upper mold is guided along the guide middle end to the outer wall of the positioning column, guided along the positioning column to the outer wall of the guide block, the support ring supports the positioning column, the guide block provides stable support force for the support ring, the upper mold and the bottom mold are stably guided and positioned, and the guide positioning effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1This is a schematic diagram of the overall structure of the center block assembly of the anti-waste edge sticking injection mold of this utility model.

[0014] Figure 2 This is a partial structural diagram of the connection between the support plate and the push rod of this utility model.

[0015] Figure 3 This is a top view of the center block assembly of the anti-waste edge sticking injection mold of this utility model.

[0016] Figure 4 This is a schematic diagram of the vertical cross-section of the center block component of the anti-waste edge sticking injection mold of this utility model.

[0017] Figure 5 This is a partial structural diagram of the connection between the middle strip and the guide block of this utility model.

[0018] The attached figures are labeled as follows: 1. Mold docking shell; 2. Support plate; 3. Push rod; 4. Mold middle block; 5. Bracket; 6. Connecting block; 7. Support frame; 8. Scraper frame; 9. Cleaning scraper; 10. Mounting ring; 11. Mounting hole; 12. Electric cylinder; 13. Support block; 14. Support plate; 15. Guide middle end; 16. Middle strip; 17. Guide block; 18. Support ring; 19. Positioning post. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] As attached Figures 1-5 The anti-waste edge adhesion injection mold center block assembly shown has a synchronous cleaning structure. The synchronous cleaning structure enables the cleaning scraper 9 to clean and cut along the edge of the bottom mold, achieving large-area cleaning of the waste edge adhesion position. It can simultaneously clean the waste edge at the edge position, avoid waste edge adhesion, and improve the mold's later use effect. The specific structure of the synchronous cleaning structure is as follows.

[0021] In this technical solution, as shown in the appendix Figures 1-4As shown, the support disc 2 is fixed at the top end of the mold butt shell 1, the push rod 3 is slidingly connected to the inner wall of the support disc 2, and the top end of the push rod 3 is provided with a synchronous cleaning structure; the synchronous cleaning structure comprises a mold middle block 4 fixedly arranged at the top end of the push rod 3, and the outer wall of the mold middle block 4 is fixedly connected with a plurality of supports 5, and one end of each support 5 is fixedly connected with a connecting block 6; the outer wall of the connecting block 6 is provided with a support frame 7, and the plurality of connecting blocks 6 are fixedly connected between the support frame 7, the upper surface of the support frame 7 is fixedly connected with a scraping frame 8, and the top end of the scraping frame 8 is fixedly connected with a cleaning scraper 9. The plurality of supports 5 are arranged in a rectangular equidistant distribution, and the cross-sectional shape of the connecting block 6 is circular. The top end cross-sectional area of the cleaning scraper 9 is smaller than the bottom end cross-sectional area, and the cleaning scraper 9 is made of stainless steel.

[0022] In the technical solution, as shown in the accompanying drawings Figures 1-4 As shown, the outer wall of the mold butt shell 1 is fixedly connected with a mounting ring 10, and a plurality of mounting holes 11 are formed in the inside of the plurality of mounting rings 10; the plurality of mounting holes 11 are arranged in a circular ring equidistant distribution, so as to butt joint on the bottom die through the mounting ring 10, and at the same time, the mounting ring 10 can be fixed on the middle position of the bottom die by inserting bolts into the inside of the mounting holes 11, realizing butt joint installation operation. The bottom end of the push rod 3 is fixedly installed with an electric cylinder 12, and the electric cylinder 12 is fixedly connected with a support block 13 between the mold butt shell 1, so as to support the support block 13 through the mold butt shell 1, the support block 13 supports a support disc 14, the support disc 14 supports the electric cylinder 12, and the stability of the electric cylinder 12 is increased. The bottom end of the electric cylinder 12 is fixedly connected with the support disc 14, and the support disc 14 is fixedly connected between the mold butt shell 1, so that the support disc 14 can provide stable force to the bottom end of the electric cylinder 12, avoiding the electric cylinder 12 from shaking.

[0023] When the waste edge sticking injection mold center block assembly is used, first, the mold butt shell 1 is inserted into the middle position of the bottom die, and the mounting ring 10 is butt jointed on the bottom die, and at the same time, the mounting ring 10 can be fixed on the middle position of the bottom die by inserting bolts into the inside of the mounting holes 11, the support block 13 is supported through the mold butt shell 1, the support block 13 supports the support disc 14, the support disc 14 supports the electric cylinder 12, and at the same time, the support block 13 can also support the electric cylinder 12, the electric cylinder 12 pushes the push rod 3 upwards, the push rod 3 drives the mold middle block 4 to move upwards, at the same time, the push rod 3 moves upwards along the inner wall of the support disc 2, and the mold middle block 4 drives the plurality of supports 5 to move upwards, the support 5 drives the connecting block 6 to move upwards, the connecting block 6 drives the support frame 7 to move upwards, the support frame 7 drives the scraping frame 8 to move upwards, at the same time, the scraping frame 8 drives the cleaning scraper 9 to move upwards, the cleaning scraper 9 cleans and cuts off along the edge of the bottom die, so as to realize large area cleaning of the waste edge sticking position.

[0024] In the technical solution, as shown in the accompanying drawings Figures 2-5As shown, the top end of the mold block 4 is provided with a guide positioning structure; the guide positioning structure comprises a middle strip 16 fixedly arranged at the top end of the mold block 4, and the top end of the middle strip 16 is fixedly connected with a guide block 17, the top end of the guide block 17 is connected with a supporting ring 18, the inner wall of the supporting ring 18 is fixedly connected with a positioning column 19, and the top end of the positioning column 19 is fixedly connected with a guide middle end 15.

[0025] In use, when the upper mold and the lower mold are butted, the upper mold is guided along the guide middle end 15 to the outer wall of the positioning column 19, guided along the positioning column 19 to the outer wall of the guide block 17, and the supporting ring 18 supports the positioning column 19, while the mold block 4 supports the middle strip 16, the middle strip 16 supports the guide block 17, and the guide block 17 provides stable supporting force for the supporting ring 18, so that the upper mold is continuously guided along the guide block 17 to the outer wall of the middle strip 16, and the upper mold and the bottom mold are precisely positioned in the middle.

[0026] The contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used, and the electric appliance control elements not mentioned in the technical solution belong to the prior art, so they are not shown in the drawings, and will not be described here.

[0027] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A scrap edge prevention injection mold center block assembly comprising a mold docking housing (1), a support disc (2) and a push rod (3), characterized in that: The branch disc (2) is fixed at the top end of the mold butt shell (1), the push rod (3) is slidingly connected to the inner wall of the branch disc (2), and the top end of the push rod (3) is provided with a synchronous cleaning structure. The synchronous cleaning structure comprises a mold middle block (4) fixedly arranged at the top end of the push rod (3), and a plurality of supports (5) are fixedly connected to the outer wall of the mold middle block (4); one end of each support (5) is fixedly connected with a connecting block (6). The outer wall of the connecting block (6) is provided with a support frame (7), a plurality of connecting blocks (6) are fixedly connected between the support frame (7), the upper surface of the support frame (7) is fixedly connected with a scraping frame (8), and the top end of the scraping frame (8) is fixedly connected with a cleaning scraper (9).

2. The scrap edge prevention injection mold center block assembly of claim 1, wherein: A plurality of supports (5) are arranged in a rectangular equidistant distribution, and the cross-sectional shape of the connecting block (6) is circular.

3. The scrap edge prevention injection mold center block assembly of claim 1, wherein: The top end cross-sectional area of the cleaning scraper (9) is smaller than the bottom end cross-sectional area, and the cleaning scraper (9) is made of stainless steel.

4. The scrap edge prevention injection mold center block assembly of claim 1, wherein: The outer wall of the mold butt shell (1) is fixedly connected with a mounting ring (10), and a plurality of mounting holes (11) are formed in the mounting ring (10). A plurality of mounting holes (11) are arranged in a circular equidistant distribution.

5. The scrap free injection mold center block assembly of claim 1, wherein: The bottom end of the push rod (3) is fixedly connected with an electric cylinder (12), and the electric cylinder (12) is fixedly connected with a support block (13) between the mold butt shell (1).

6. The scrap edge prevention injection mold center block assembly of claim 5, wherein: The bottom end of the electric cylinder (12) is fixedly connected with a support disc (14), and the support disc (14) is fixedly connected between the mold butt shell (1).

7. The scrap free injection mold center block assembly of claim 1, wherein: The top end of the mold middle block (4) is provided with a guide positioning structure. The guide positioning structure comprises a middle strip (16) fixedly arranged at the top end of the mold middle block (4), and a guide block (17) fixedly connected to the top end of the middle strip (16); the top end of the guide block (17) is connected with a support ring (18), the inner wall of the support ring (18) is fixedly connected with a positioning column (19), and the top end of the positioning column (19) is fixedly connected with a guide middle end (15).

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