Ejection mechanism for hot runner mold

Abstract

The utility model relates to the technical field of hot runner molds, in particular to an ejection mechanism for a hot runner mold, which mainly comprises a supporting bottom plate, a lower mold block arranged at the top end of the supporting bottom plate, an upper mold block arranged at the top end of the lower mold block, a connecting top plate arranged at the top end of the upper mold block, and an ejection adjusting component arranged at the top end of the lower mold block. The ejection adjusting assembly comprises a telescopic ejector rod, an elastic connecting piece is arranged on the inner side of the telescopic ejector rod, an adjusting sliding block is arranged at the top end of the telescopic ejector rod, and a fool-proof ejector block is arranged on the inner side of the adjusting sliding block. According to the ejection mechanism for the hot runner mold, the lower mold block and the upper mold block are separated through movement of the telescopic ejection rod, buffering connection is carried out through the elastic connecting piece in the moving process, the protection performance is improved, the adjusting sliding block and the positioning block on the inner side are clamped and positioned through the fool-proof ejection block, and the safety is improved. The supporting pressure of the telescopic ejector rod can be shared in the using process, abrasion of the telescopic ejector rod is reduced, and the using efficiency of the mold is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot runner die technical field, concretely is a kind of ejection mechanism for hot runner die. BACKGROUND

[0002] Hot runner die ejection mechanism is the important component in injection mold, its main function is to eject product from mold after injection molding, to realize automation production.

[0003] In the existing equipment operation process, to realize the effective separation between upper die and lower die, adjustable height telescopic rod is usually installed at the bottom end of mold, and the lifting function of telescopic rod is used to eject product, and the finished product is conveniently taken out.

[0004] In actual use, since telescopic rod needs to be frequently adjusted to adapt to different production requirements or cope with the change of mold internal structure, long-time repetitive operation can cause wear phenomenon at telescopic connecting part, and the wear of telescopic rod can gradually reduce the working precision of telescopic mechanism itself, at this time, the supporting effect borne by telescopic rod can also be correspondingly weakened, so that product is not convenient to take out from mold, and processing efficiency is affected, and optimization and improvement are needed. TECHNICAL SOLUTION

[0005] The utility model aims at providing a kind of ejection mechanism for hot runner die to solve the problem that telescopic rod is worn after long-time use, and the supporting effect borne can also be correspondingly weakened, so that product is not convenient to take out from mold.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of ejection mechanism for hot runner die, comprising: support base plate, the top of support base plate is provided with lower module, and the top of lower module is provided with upper module, the top of upper module is provided with connecting top plate,

[0007] Ejection adjusting assembly, ejection adjusting assembly is set to the top of lower module, and ejection adjusting assembly includes telescopic top rod, and the inside of telescopic top rod is provided with elastic connecting piece, the top of telescopic top rod is provided with adjusting slider, and the inside of adjusting slider is provided with foolproof top block, and ejection adjusting assembly is used for positioning after mold ejection;

[0008] Knocking assembly, knocking assembly is set to the inside of lower module, and knocking assembly includes connecting rod, and the outside of connecting rod is provided with inclined block, the top of inclined block is provided with impact block, the outside of inclined block is provided with push block, and knocking assembly is used for loosening knock of product in mold.

[0009] Preferably, the front end of upper module is provided with hot runner connecting end, and the left and right ends of the inside of upper module are connected with water cooling pipe, and the inside of right wall of upper module is provided with counter.

[0010] Preferably, the front end of the support bottom plate is provided with a moving limiting block, and the inner front end of the support bottom plate is installed with a top driving adjusting switch.

[0011] Preferably, the top end of the lower module is provided with a connecting barrel at each corner, and the telescopic top rod is arranged inside the connecting barrel; the inner top end of the lower module is installed with a guide column at each corner, and the outer side of the guide column is provided with an elastic connecting piece.

[0012] Preferably, the inside of the upper module is installed with a sliding seat, and the outer side of the sliding seat is slidingly connected with an adjusting sliding block.

[0013] Preferably, the bottom end of the adjusting sliding block is provided with a positioning block, the inner side of the positioning block is connected with a reset elastic piece, and the top end of the reset elastic piece is connected with an anti-fool top block.

[0014] Preferably, the inner side of the lower module is installed with a connecting rod at both front and rear ends, the outer side of the connecting rod is provided with a movable elastic piece, the top end of the movable elastic piece is connected with a limiting barrel, and the outer side of the limiting barrel is provided with an inclined stop block.

[0015] Preferably, the toggle block is installed at the bottom of the upper module at both front and rear ends, and the toggle block is used for extrusion adjustment of the inclined stop block.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a telescopic top rod is moved to separate lower module and upper module, and buffering connection is carried out through the elastic connecting piece in the movement process, improves the protection performance, and the adjusting sliding block and the positioning block between the inner side are positioned through the anti-fool top block, can share the support pressure of telescopic top rod in the use process, reduces the abrasion of telescopic top rod, ensures the use efficiency of the mould.

[0018] When the lower module and the upper module are separated and combined, the toggle block extrudes the inclined stop block at the bottom, then makes the impact block upwardly pop up and impact under the connection of the movable elastic piece, can knock the product after injection molding, is convenient for the gap between the product and the mould, is convenient for demoulding, further improves the use efficiency of the mould. DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the local section three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is the local separation three-dimensional structure schematic diagram of the ejection adjusting assembly of the utility model;

[0022] Figure 4This is a schematic diagram of the partially separated three-dimensional structure of the striking component of this utility model.

[0023] In the diagram: 1. Support base plate; 2. Lower module; 3. Upper module; 4. Connecting top plate; 5. Hot runner connection end; 6. Water cooling pipe; 7. Moving limit block; 8. Push adjustment switch; 9. Counter; 10. Connecting cylinder; 11. Telescopic push rod; 12. Guide column; 13. Elastic connector; 14. Sliding seat; 15. Adjusting slider; 16. Positioning block; 17. Reset elastic element; 18. Anti-foolproof top block; 19. Connecting rod; 20. Movable elastic element; 21. Limiting cylinder; 22. Inclined stop block; 23. Impact block; 24. Toggle block. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] like Figures 1-4 As shown, this application provides an ejection mechanism for a hot runner mold, including: a support base plate 1, a lower module 2 is provided at the top of the support base plate 1, an upper module 3 is provided at the top of the lower module 2, and a connecting top plate 4 is provided at the top of the upper module 3.

[0027] Specifically, such as Figure 1 As shown, a hot runner connection end 5 is installed at the front end of the upper module 3, and water cooling pipes 6 are connected to the left and right ends of the inner side of the upper module 3. A counter 9 is installed on the inner side of the right wall of the upper module 3. The hot runner connection end 5 is used for external connection of the internal hot runner, the water cooling pipes 6 are used for water cooling of the internal products, and the counter 9 is used for counting the number of times the mold is opened and ejected.

[0028] Specifically, such as Figure 1 As shown, a movable limiting block 7 is provided at the front end of the support base plate 1, and an jacking adjustment switch 8 is installed on the inner front end of the support base plate 1. The movable limiting block 7 is convenient for limiting the side when the mold is opened and closed. The jacking adjustment switch 8 is used to switch the movement of the inner telescopic ejector rod 11 and the adjusting slider 15.

[0029] The top end of the lower module 2 is provided with an ejection adjusting assembly, and the ejection adjusting assembly comprises a telescopic ejector rod 11, the inner side of the telescopic ejector rod 11 is provided with an elastic connecting piece 13, the top end of the telescopic ejector rod 11 is provided with an adjusting sliding block 15, and the inner side of the adjusting sliding block 15 is provided with a foolproof top block 18, and the ejection adjusting assembly is used for positioning after the mold is ejected.

[0030] Specifically, as shown in the figure, Figure 2 The top end of the lower module 2 is provided with a connecting barrel 10, the telescopic ejector rod 11 is arranged in the inner side of the connecting barrel 10, the inner side of the top end of the lower module 2 is provided with a guide column 12, and the outer side of the guide column 12 is provided with an elastic connecting piece 13, the connecting barrel 10 is connected to the inner side of the upper module 3, so as to facilitate the guided separation of the upper module 3 and the lower module 2, and then the telescopic ejection adjustment of the telescopic ejector rod 11 in the inner side is carried out. The elastic connecting piece 13 arranged outside the guide column 12 in the inner side can buffer and protect the movement process.

[0031] Specifically, as shown in the figure, Figure 3 The inner side of the upper module 3 is provided with a sliding seat 14, and the outer side of the sliding seat 14 is slidably connected with an adjusting sliding block 15, and the adjusting sliding block 15 can slide in the inner side of the sliding seat 14, and is used for the separation and ejection of the mold.

[0032] Specifically, as shown in the figure, Figure 3 The bottom end of the adjusting sliding block 15 is provided with a positioning block 16, the inner side of the positioning block 16 is connected with a reset elastic piece 17, and the top end of the reset elastic piece 17 is connected with a foolproof top block 18. When the adjusting sliding block 15 slides, the positioning block 16 is misaligned, and then the reset elastic piece 17 ejects the foolproof top block 18. After the foolproof top block 18 is ejected, it is clamped in the inner side of the adjusting sliding block 15 for limiting, so as to avoid displacement.

[0033] The inner side of the lower module 2 is provided with a knocking assembly, and the knocking assembly comprises a connecting rod 19, the outer side of the connecting rod 19 is provided with an inclined block 22, the top end of the inclined block 22 is provided with a striking block 23, the outer side of the inclined block 22 is provided with a knob 24, and the knocking assembly is used for loosening and knocking the product in the mold.

[0034] Specifically, as shown in the figure, Figure 4 The inner side of the lower module 2 is provided with a knocking assembly, and the knocking assembly comprises a connecting rod 19, the outer side of the connecting rod 19 is provided with an inclined block 22, the top end of the inclined block 22 is provided with a striking block 23, the outer side of the inclined block 22 is provided with a knob 24, and the knocking assembly is used for loosening and knocking the product in the mold.

[0035] Specifically, as shown in the figure, Figure 4As shown, the toggle block 24 is installed at the bottom of the upper module 3 at both ends, the toggle block 24 is used for extrusion adjustment of the inclined block 22, the limiting cylinder 21 and the movable elastic element 20 are not completely attached to the connecting rod 19, and a certain position offset will be generated when the toggle block 24 extrudes the inclined block 22, so that the toggle block 24 presses the top end of the inclined block 22 off, at this time, the movable elastic element 20 loses the pressure of the top end, and under the action of the inherent elasticity, the impact block 23 is knocked upward.

[0036] In the embodiment: the lower module 2 and the upper module 3 are separated by the movement of the telescopic top rod 11, the elastic connecting piece 13 is used for buffering connection in the movement process, the protection performance is improved, the inside adjusting sliding block 15 and the positioning block 16 are clamped and positioned through the foolproof top block 18, the support pressure of the telescopic top rod 11 can be shared in the use process, the wear of the telescopic top rod 11 is reduced, when the lower module 2 and the upper module 3 are opened and closed, the toggle block 24 extrudes the inclined block 22 at the bottom, and then the impact block 23 is knocked upward under the connection of the movable elastic element 20, the product after injection molding can be knocked, and the product demolding is facilitated.

[0037] The specific scheme is: in the use process, the lower module 2 and the upper module 3 are combined, then injection molding is carried out, under the cooling of the inside water cooling pipe 6, the product is formed, the telescopic top rod 11 drives the guide column 12 to move, at this time, the lower module 2 and the upper module 3 are separated, the movement of the telescopic top rod 11 is controlled through the toggle adjusting switch 8, the toggle adjusting switch 8 controls the adjusting sliding block 15 to move at the top of the sliding seat 14 at the same time, the positioning block 16 is arranged in dislocation, the foolproof top block 18 is clamped and supported in the inside adjusting sliding block 15, the support force of the telescopic top rod 11 is facilitated to be relieved, then when the upper module 3 rises and falls, the toggle block 24 extrudes the inclined block 22, a certain position offset is generated, so that the toggle block 24 presses the top end of the inclined block 22 off, at this time, the movable elastic element 20 loses the pressure of the top end, under the action of the inherent elasticity, the impact block 23 is knocked upward, the demolding of the formed product is facilitated.

[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 of 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, which are not provided in details for the sake of brevity.

[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 alternatives, modifications and variations should be included within the scope of the present application.

Claims

1. An ejection mechanism for a hot runner mold, comprising: Supporting bottom plate (1), the top end of the supporting bottom plate (1) is provided with a lower module (2), and the top end of the lower module (2) is provided with an upper module (3), and the top end of the upper module (3) is provided with a connecting top plate (4), characterized in that, The ejection adjusting assembly is arranged at the top end of the lower module (2), and the ejection adjusting assembly comprises a telescopic ejector rod (11), the inner side of the telescopic ejector rod (11) is provided with an elastic connecting piece (13), the top end of the telescopic ejector rod (11) is provided with an adjusting sliding block (15), and the inner side of the adjusting sliding block (15) is provided with a foolproof top block (18), and the ejection adjusting assembly is used for positioning after mold ejection. The knocking assembly is arranged on the inner side of the lower module (2), the knocking assembly comprises a connecting rod (19), the outer side of the connecting rod (19) is provided with an inclined block (22), the top end of the inclined block (22) is provided with a striking block (23), the outer side of the inclined block (22) is provided with a pushing block (24), and the knocking assembly is used for loosening knocking of products in the mold.

2. The ejection mechanism for hot runner mold according to claim 1, wherein The front end of the upper module (3) is provided with a hot runner connecting end (5), and the inner side of the upper module (3) is connected with water cooling pipes (6) at left and right ends.

3. The ejection mechanism for hot runner mold according to claim 1, wherein The front end of the supporting bottom plate (1) is provided with a moving limiting block (7), and the inner side of the supporting bottom plate (1) is provided with a top driving adjusting switch (8) at the front end.

4. The ejection mechanism for hot runner mold according to claim 1, wherein The top end of the lower module (2) is provided with a connecting barrel (10) at each corner, the telescopic ejector rod (11) is arranged in the connecting barrel (10), the inner side of the top end of the lower module (2) is provided with a guide column (12) at each corner, and the outer side of the guide column (12) is provided with an elastic connecting piece (13).

5. The ejection mechanism for hot runner mold according to claim 1, wherein The inner side of the upper module (3) is provided with a sliding seat (14), and the outer side of the sliding seat (14) is slidably connected with an adjusting sliding block (15).

6. The ejector mechanism for hot runner mold according to claim 5, wherein The bottom end of the adjusting sliding block (15) is provided with a positioning block (16), the inner side of the positioning block (16) is connected with a reset elastic piece (17), and the top end of the reset elastic piece (17) is connected with a foolproof top block (18).

7. The ejector mechanism for hot runner mold according to claim 1, wherein The inner side of the lower module (2) is provided with a connecting rod (19) at front and rear ends, the outer side of the connecting rod (19) is provided with a movable elastic piece (20), the top end of the movable elastic piece (20) is connected with a limiting barrel (21), and the outer side of the limiting barrel (21) is provided with an inclined block (22).

8. The ejection mechanism for hot runner mold according to claim 1, wherein The pushing block (24) is arranged at the bottom of the upper module (3) at front and rear ends, and the pushing block (24) is used for extrusion adjustment of the inclined block (22).

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