Discharging mechanism for injection mold

Abstract

The utility model relates to the technical field of molds, in particular to a discharging mechanism for an injection mold, which mainly comprises a mold main body, a discharging hole and a sealing component arranged on the mold main body, the sealing component comprises a mounting plate arranged on the mold main body, a screw rod is arranged on the mounting plate, a threaded plate is arranged on the screw rod, and the threaded plate is connected with the mold main body. A sealing plate is arranged on the threaded plate, and the sealing assembly is used for sealing the discharging hole; and the lubricating assembly is arranged on the threaded plate. According to the discharging mechanism for the injection mold, a screw rod is controlled to rotate, so that a threaded plate can be driven to slide in a sliding groove, a sealing plate can be driven to move in the direction of a discharging hole, the sealing plate can cover the discharging hole, the discharging hole can be sealed when the mold body is not used, and the mold body is prevented from being damaged. Harmful factors such as oxygen, moisture and dust in the air can be effectively prevented from entering the mold main body, so that the service life of the mold main body can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of discharge mechanism for injection mould. BACKGROUND

[0002] As the key equipment in plastic forming processing, the design and performance of injection mould are directly related to the quality and production efficiency of final product.

[0003] The existing injection mould is usually equipped with discharge mechanism, and the discharge mechanism is generally composed of discharge groove and discharge port, and the main function of the discharge mechanism is to discharge the gas in the cavity during injection molding, to avoid the formation of defects such as air bubbles and shrinkage in the product, so as to ensure the quality and appearance of the product.

[0004] However, the existing injection mould discharge mechanism often adopts the design of normally open discharge port, and when the mould is not used, the dust in the external environment will enter the mould cavity and cause pollution, resulting in defects in the product during production, and finally causing the yield of the product to drop significantly. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a discharge mechanism for injection mould to solve the problem that the normally open discharge hole erodes the mould cavity.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A discharge mechanism for injection mould, comprising: a mould body, a discharge hole is provided on the mould body, a sealing assembly is provided on the mould body, the sealing assembly comprises a mounting plate provided on the mould body, a lead screw is provided on the mounting plate, a threaded plate is provided on the lead screw, a sealing plate is provided on the threaded plate, and the sealing assembly is used for sealing the discharge hole; a lubricating assembly is provided on the threaded plate, the lubricating assembly comprises a lubricating member provided on the threaded plate, an oil outlet groove is provided on the lubricating member, and the lubricating assembly is used for lubricating the lead screw.

[0008] Preferably, the sealing assembly further comprises a rotating member provided at one end of the lead screw, and the lead screw penetrates through the mounting plate.

[0009] Preferably, a sliding groove is provided on the mounting plate corresponding to the threaded plate, the threaded plate is movably arranged in the sliding groove, the threaded plate is threadedly arranged on the lead screw, and one end of the lead screw is rotatably arranged in the sliding groove.

[0010] Preferably, T-shaped blocks are arranged at both ends of the threaded plate, T-shaped grooves are provided on the mounting plate corresponding to the T-shaped blocks, and the T-shaped blocks are movably arranged in the T-shaped grooves.

[0011] Preferably, the two sides of the upper end of the T-shaped block are provided with rollers, and the T-shaped groove is provided with sliding rails corresponding to the rollers, and the rollers are movably arranged in the sliding rails.

[0012] Preferably, the middle part of the mounting plate is provided with a through hole communicating with the discharge hole, and the bottom of the sealing plate is provided with a silica gel plate.

[0013] Preferably, the lubricating assembly further comprises a connecting pipe arranged at the upper end of the lubricating piece, the connecting pipe penetrates through the threaded plate and extends to the outside, the threaded plate is provided with a connecting groove corresponding to the lubricating piece, the lubricating piece is movably arranged in the connecting groove, and the oil outlet groove is in contact with the screw rod.

[0014] Preferably, one side of the lubricating piece is provided with an elastic piece, the threaded plate is provided with a placing groove corresponding to the elastic piece, and the elastic piece is movably arranged in the placing groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] By controlling the rotation of the screw rod, the threaded plate can slide in the sliding groove, thereby driving the sealing plate to move towards the discharge hole, so that the sealing plate can cover the discharge hole, thereby sealing the discharge hole when the mold body is not used, effectively preventing harmful factors such as oxygen, moisture and dust in the air from entering the inside of the mold body, and effectively prolonging the service life of the mold body.

[0017] When the screw rod needs to be lubricated for a long time, lubricating oil is poured into the lubricating piece through the connecting pipe, and the lubricating oil can be uniformly applied to the screw rod through the contact between the oil outlet groove and the screw rod, thereby realizing comprehensive lubrication of the screw rod and making the rotation of the screw rod more smooth. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the utility model;

[0019] Figure 2 It is a partial three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is a sealing assembly three-dimensional structure schematic view of the utility model;

[0021] Figure 4 It is a sealing assembly three-dimensional structure schematic view of the utility model Figure 3 It is an enlarged schematic view of structure A in the utility model;

[0022] Figure 5 It is another perspective three-dimensional structure schematic view of the sealing assembly of the utility model;

[0023] Figure 6 It is a lubricating assembly three-dimensional structure schematic view of the utility model.

[0024] In the figure: 1, mold body; 2, discharge hole; 3, mounting plate; 4, through hole; 5, screw rod; 6, threaded plate; 7, rotating part; 8, sliding groove; 9, roller; 10, T-shaped block; 11, sliding rail; 12, T-shaped groove; 13, sealing plate; 14, silica gel plate; 15, connecting pipe; 16, lubricating part; 17, elastic part; 18, connecting groove; 19, placing groove; 20, oil outlet groove. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0027] As shown in the figure, the present application provides a discharge mechanism for injection mold, comprising: a mold body 1, a discharge hole 2 is arranged on the mold body 1, a sealing assembly is arranged on the mold body 1, the sealing assembly comprises a mounting plate 3 arranged on the mold body 1, a screw rod 5 is arranged on the mounting plate 3, a threaded plate 6 is arranged on the screw rod 5, a sealing plate 13 is arranged on the threaded plate 6, and the sealing assembly is used for sealing the discharge hole 2. Figures 1-6 Specifically, as shown in the figure, the sealing assembly further comprises a rotating part 7 arranged at one end of the screw rod 5, and the screw rod 5 penetrates the mounting plate 3. By rotating the rotating part 7, the screw rod 5 can be stably driven to rotate.

[0028] Figure 2 Specifically, as shown in the figure, the mounting plate 3 is provided with a sliding groove 8 corresponding to the threaded plate 6, the threaded plate 6 is movably arranged in the sliding groove 8, the threaded plate 6 is threadedly arranged on the screw rod 5, one end of the screw rod 5 is rotatably arranged in the sliding groove 8, and by rotating the screw rod 5, the threaded plate 6 can be stably slid in the sliding groove 8.

[0029] Specifically, as shown in the figure, both ends of the threaded plate 6 are provided with T-shaped blocks 10, the mounting plate 3 is provided with T-shaped grooves 12 corresponding to the T-shaped blocks 10, and the T-shaped blocks 10 are movably arranged in the T-shaped grooves 12. The cooperation of the T-shaped blocks 10 and the T-shaped grooves 12 can limit the movement direction of the threaded plate 6. Figure 3 Specifically, as shown in the figure, both ends of the threaded plate 6 are provided with T-shaped blocks 10, the mounting plate 3 is provided with T-shaped grooves 12 corresponding to the T-shaped blocks 10, and the T-shaped blocks 10 are movably arranged in the T-shaped grooves 12. The cooperation of the T-shaped blocks 10 and the T-shaped grooves 12 can limit the movement direction of the threaded plate 6.

[0030] Figure 4 Specifically, as shown in the figure, both ends of the threaded plate 6 are provided with T-shaped blocks 10, the mounting plate 3 is provided with T-shaped grooves 12 corresponding to the T-shaped blocks 10, and the T-shaped blocks 10 are movably arranged in the T-shaped grooves 12. The cooperation of the T-shaped blocks 10 and the T-shaped grooves 12 can limit the movement direction of the threaded plate 6.

[0031] ​​Specifically, as shown in Figure 4 The upper end of the T-shaped block 10 is provided with two rollers 9, and the T-shaped groove 12 is provided with a sliding rail 11 corresponding to the rollers 9. The rollers 9 are movably arranged in the sliding rail 11. The arrangement of the rollers 9 can increase the flexibility of the movement of the T-shaped block 10 in the T-shaped groove 12.

[0032] Specifically, as shown in Figure 5 The middle of the mounting plate 3 is provided with a through hole 4, which is communicated with the discharge hole 2. The bottom of the sealing plate 13 is provided with a silica gel plate 14. The arrangement of the silica gel plate 14 can improve the sealing performance of the sealing plate 13, thereby effectively preventing impurities in the air from entering the discharge hole 2.

[0033] The threaded plate 6 is provided with a lubricating assembly, which comprises a lubricating piece 16 arranged on the threaded plate 6. The lubricating piece 16 is provided with an oil outlet groove 20. The lubricating assembly is used for lubricating the lead screw 5.

[0034] Specifically, as shown in Figure 6 The lubricating assembly further comprises a connecting pipe 15 arranged on the upper end of the lubricating piece 16. The connecting pipe 15 penetrates the threaded plate 6 and extends to the outside. The threaded plate 6 is provided with a connecting groove 18 corresponding to the lubricating piece 16. The lubricating piece 16 is movably arranged in the connecting groove 18. The oil outlet groove 20 is in contact with the lead screw 5. The lubricating oil can be poured into the lubricating piece 16 through the connecting pipe 15. The lubricating piece 16 is communicated with the oil outlet groove 20, so that the lubricating oil can be evenly applied to the lead screw 5 through the oil outlet groove 20.

[0035] Specifically, as shown in Figure 6 One side of the lubricating piece 16 is provided with an elastic piece 17. The threaded plate 6 is provided with a placing groove 19 corresponding to the elastic piece 17. The elastic piece 17 is movably arranged in the placing groove 19. Through the elastic force of the elastic piece 17, the placing groove 19 can always be kept in contact with the lead screw 5, thereby facilitating the lubrication of the lead screw 5.

[0036] In this embodiment: by controlling the rotation of the lead screw 5, the threaded plate 6 can slide back and forth in the sliding groove 8, thereby driving the sealing plate 13 to cover or move away from the discharge hole 2, so that the discharge hole 2 can work normally when the mold body 1 is used, and the discharge hole 2 can be sealed when the mold body 1 is not used, thereby preventing air from entering the mold cavity and causing erosion. Through the elastic force of the elastic piece 17, the lubricating piece 16 can move towards the lead screw 5, so that the oil outlet groove 20 can keep in contact with the lead screw 5, thereby facilitating the lubrication of the lead screw 5.

[0037] The specific scheme is: when the mold body 1 does not need to work, the rotating part 7 is rotated, so that the lead screw 5 can be driven to rotate, so that the threaded plate 6 can slide in the sliding groove 8, so that the T-shaped block 10 can slide in the T-shaped groove 12, through the cooperation of the T-shaped block 10 and the T-shaped groove 12, the movement direction of the threaded plate 6 can be limited, and the roller 9 moves in the sliding rail 11, so that the flexibility of the T-shaped block 10 in the T-shaped groove 12 is increased, so that the strength required by the staff to rotate the lead screw 5 is greatly reduced, the sealing plate 13 is moved to the top of the discharge hole 2, and the sealing plate 13 is arranged, the sealing property of the sealing plate 13 is improved, so that the air entering the mold cavity is greatly reduced, and through the elastic force of the elastic element 17, the lubricating element 16 can slide in the connecting groove 18, so that the two groups of lubricating elements 16 move to the direction of the lead screw 5, so that the oil outlet groove 20 is in contact with the lead screw 5, the lubricating oil is filled into the lubricating element 16 through the connecting pipe 15, and the oil outlet groove 20 is uniformly coated on the lead screw 5.

[0038] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details.

[0039] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations or equivalents that fall within the spirit and scope of the application are intended to be included within the scope of the application.

Claims

1. A stripper mechanism for an injection mold comprising: The utility model provides a mould body (1) is provided with a discharging hole (2), characterized by, A sealing assembly is arranged on the mould body (1), and the sealing assembly comprises a mounting plate (3) arranged on the mould body (1), a screw rod (5) arranged on the mounting plate (3), a threaded plate (6) arranged on the screw rod (5), and a sealing plate (13) arranged on the threaded plate (6), and the sealing assembly is used for sealing the discharging hole (2). A lubricating assembly is arranged on the threaded plate (6), and the lubricating assembly comprises a lubricating piece (16) arranged on the threaded plate (6), and an oil outlet groove (20) arranged on the lubricating piece (16), and the lubricating assembly is used for lubricating the screw rod (5).

2. The ejection mechanism for injection mold according to claim 1, wherein The sealing assembly further comprises a rotating piece (7) arranged at one end of the screw rod (5), and the screw rod (5) penetrates the mounting plate (3).

3. The ejection mechanism for injection mold according to claim 2, wherein The mounting plate (3) is provided with a sliding groove (8) corresponding to the threaded plate (6), the threaded plate (6) is movably arranged in the sliding groove (8), the threaded plate (6) is threadedly arranged on the screw rod (5), and one end of the screw rod (5) is rotatably arranged in the sliding groove (8).

4. The ejection mechanism for injection mold according to claim 3, wherein Both ends of the threaded plate (6) are provided with T-shaped blocks (10), the mounting plate (3) is provided with T-shaped grooves (12) corresponding to the T-shaped blocks (10), and the T-shaped blocks (10) are movably arranged in the T-shaped grooves (12).

5. The ejection mechanism for injection mold according to claim 4, wherein Both sides of the upper end of the T-shaped block (10) are provided with rollers (9), the T-shaped groove (12) is provided with sliding rails (11) corresponding to the rollers (9), and the rollers (9) are movably arranged in the sliding rails (11).

6. The ejection mechanism for injection mold according to claim 1, wherein A through hole (4) is arranged in the middle of the mounting plate (3), the through hole (4) is communicated with the discharging hole (2), and the bottom of the sealing plate (13) is provided with a silica gel plate (14).

7. The ejection mechanism for injection mold according to claim 1, wherein The lubricating assembly further comprises a connecting pipe (15) arranged at the upper end of the lubricating piece (16), the connecting pipe (15) penetrates the threaded plate (6) and extends to the outside, the threaded plate (6) is provided with a connecting groove (18) corresponding to the lubricating piece (16), the lubricating piece (16) is movably arranged in the connecting groove (18), and the oil outlet groove (20) is in contact with the screw rod (5).

8. The ejection mechanism for injection mold according to claim 7, wherein One side of the lubricating piece (16) is provided with an elastic piece (17), the threaded plate (6) is provided with a placing groove (19) corresponding to the elastic piece (17), and the elastic piece (17) is movably arranged in the placing groove (19).

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