Injection mold for integrally forming nut insert

Abstract

The injection mold comprises an upper mold assembly and a lower mold assembly, the upper mold assembly comprises an inclined guide column arranged in an inclined mode, a sliding assembly is arranged on the lower mold assembly in a sliding mode, a lifting sliding block is arranged on the sliding assembly in a lifting mode, and a positioning part used for positioning the nut insert is arranged at the top of the lifting sliding block. The sliding assembly is provided with a first guide groove corresponding to the inclined guide column, and the inclined guide column is in guide fit with the first guide groove. A guide structure is arranged between the sliding assembly and the lifting sliding block, and the sliding assembly drives the lifting sliding block to do lifting motion through the guide structure, so that the positioning part is arranged in an inner hole of the nut insert in a penetrating mode or pulled out of the inner hole of the nut insert. The injection molding precision of the nut insert on an injection molding product can be effectively improved, and the rapid demolding effect of the injection molding product is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, especially a nut insert integrated forming's injection mold. BACKGROUND

[0002] As Figure 1 The injection product 6 is integrally injection molded with the nut insert 7, before the injection product 6 is injection molded, the nut insert 7 needs to be embedded as a pre-embedded part in the forming cavity formed after the upper die assembly and the lower die assembly are combined, the injection product 6 embedded with the nut insert 7 after injection molding needs to be assembled through the threaded connection of the nut insert 7, in order to make the injection product 6 achieve more accurate assembly effect through the nut insert 7, the forming position and the forming angle of the nut insert 7 on the injection product 6 need to be required with high precision, therefore, how to improve the precision and concentricity of the nut insert 7 integrally injection molded on the injection product 6 has become a technical problem to be solved at present. SUMMARY

[0003] The utility model discloses a nut insert integrated forming's injection mold can effectively improve the injection precision of nut insert on injection product, realize the effect that the injection product is demoulded quickly.

[0004] The utility model discloses a nut insert integrated forming's injection mold, including upper die assembly and lower die assembly, the upper die assembly includes the oblique guide pillar of setting obliquely, the lower die assembly is slid and is equipped with the sliding component, the sliding component is equipped with the lifting slide block and rises and falls, and the lifting slide block top is equipped with the positioning portion for positioning nut insert, the sliding component is equipped with the first guide groove with the oblique guide pillar, the oblique guide pillar with the first guide groove guide cooperation;

[0005] The guiding structure is equipped between the sliding component and the lifting slide block, the sliding component drives the lifting slide block lifting movement through the guiding structure, makes the positioning portion wear and tear and be positioned in the inner hole of the nut insert or from the inner hole of the nut insert and abstracts apart.

[0006] By adopting the technical scheme, the upper die assembly and the lower die assembly are separated from each other when the mold is opened, the upper die assembly drives the inclined guide pillar to move away from the lower die assembly, the product is separated from the upper die assembly, the inclined guide pillar and the first guide groove are used to guide the sliding assembly to translate and move away from the injection molding product on the lower die assembly, the sliding assembly moves away from the injection molding product, the lifting slider is driven to move downward relative to the injection molding product under the guidance of the guide structure, the positioning part of the lifting slider is separated from the inner hole of the nut insert, and then the injection molding product on the lower die assembly can be demolded; the sliding assembly is reset when the mold is closed, the lifting slider is driven to reset under the action of the guide structure, the nut insert is placed on the positioning part of the lifting slider, then the upper die assembly and the lower die assembly move close to each other and abut tightly, the mold is closed under the guidance of the inclined guide pillar and the first guide groove, and then the integral injection molding of the injection molding product and the nut insert is carried out, the positioning part of the lifting slider is lifted to facilitate the positioning of the inner hole of the nut insert for injection molding, the injection precision of the nut insert on the injection molding product is improved, or the positioning part of the lifting slider is lowered to be separated from the inner hole of the nut insert to facilitate demolding, and the injection precision of the nut insert on the injection molding product can be effectively improved, and the injection molding product can be demolded quickly.

[0007] The utility model discloses further provide that: the sliding assembly includes sliding seat and guide piece, the guide piece fixedly connected on the sliding seat, the first guide groove is through the side of the sliding seat, and the side of the lifting slider is provided with slide rail, the guide piece corresponds the second guide groove that the slide rail is provided with, and the slide rail with the second guide groove guide cooperation.

[0008] By adopting the technical scheme, when the sliding seat moves away from the injection molding product, the lifting slider is inclined to slide along the direction of the second guide groove relative to the guide piece under the guidance of the second guide groove and the slide rail, and the lifting slider is lifted and lowered.

[0009] The utility model discloses further provide that: the lifting slider includes the sliding part and the top rod of integral setting, the positioning part extends to the one end of the top rod away from the sliding part, and the diameter of the positioning part gradually reduces from the side close to the sliding part to the side away from the sliding part.

[0010] By adopting the technical scheme, the positioning part with the gradually reduced end part can facilitate the nut insert to be placed on the positioning part and slide downward to the position more easily.

[0011] The utility model discloses further provide that: the sliding seat is vertically provided with the sliding groove, and the lifting slider is slidably arranged in the sliding groove.

[0012] By adopting the technical scheme, when the lifting slider slides in the inclined direction under the guidance of the guide structure, the lifting slider can only slide in the length direction of the sliding groove, so that the lifting slider can vertically slide relative to the sliding seat.

[0013] The utility model discloses further provide that: the sliding seat correspond to the lifting slider is equipped with the stop portion, when the lifting slider rises to and the stop portion contact in the sliding groove, the stop portion and the lifting slider limit stop cooperation.

[0014] By adopting the technical scheme, the stop portion can limit the lifting height of the lifting slider, preventing the lifting slider from excessively rising and causing the cooperation to fail.

[0015] The utility model discloses further provide that: the sliding seat is connected with driving device, and the driving device includes the oil cylinder, and the piston rod end of oil cylinder is fixedly connected with the sliding seat.

[0016] By adopting the technical scheme, the oil cylinder can drive the sliding seat to horizontally slide on the lower die assembly, which is different from the manual pushing mode, saves manpower and makes the mold closing more accurate.

[0017] The utility model discloses further provide that: the lower die assembly is fixed with the stop block, and the stop block is limited and stops cooperation with the sliding seat.

[0018] By adopting the technical scheme, the stop block is used to limit the horizontal sliding distance of the sliding seat.

[0019] The utility model discloses further provide that: the sliding assembly includes the connecting block, the guide piece is fixedly connected on the sliding seat through the connecting block, and the first guide groove extends and is opened on the connecting block.

[0020] The utility model discloses further provide that: the sliding seat correspond to the connecting block is equipped with the mounting hole, the connecting block is fixedly installed in the mounting hole, and the guide piece is equipped with the clamping portion, the connecting block correspond to the clamping portion is equipped with the clamping groove, and the guide piece is positioned through the clamping portion and the clamping groove clamping.

[0021] By adopting the technical scheme, the guide piece is detachably connected on the sliding seat through the connecting block, which facilitates the disassembly, replacement or maintenance of the guide piece on the sliding seat.

[0022] The utility model discloses further provide that: the connecting block both sides are equipped with the mounting hole site that communicates the first guide groove, and the mounting hole site is equipped with the elastic piece and the abutting piece, and the elastic piece always has the movement trend of driving the abutting piece and the inclined guide column side portion abut.

[0023] By adopting the technical scheme, when the inclined guide pillar extends into the first guide groove, the elastic members on both sides can abut the abutting blocks against both sides of the inclined guide pillar to position the inclined guide pillar, thereby improving the positioning accuracy of the upper die assembly and the lower die assembly in the die closing state.

[0024] In conclusion, the utility model has the following beneficial effects:

[0025] The inclined guide pillar is arranged on the bottom of the upper die assembly, the sliding assembly is arranged on the lower die assembly, the first guide groove is arranged in the sliding assembly corresponding to the inclined guide pillar, the guide structure is arranged between the sliding assembly and the lifting slider, the lifting slider is driven to move up and down by the sliding assembly through the guide structure, when the mold is opened, the upper die assembly drives the inclined guide pillar to move away from the lower die assembly, so that the product is separated from the upper die assembly, meanwhile, the sliding assembly is driven to translate and move away from the injection product on the lower die assembly by the guide action of the inclined guide pillar and the first guide groove, the lifting slider is driven to move downward relative to the injection product under the guide action of the guide structure while the sliding assembly moves away from the injection product, so that the positioning part of the lifting slider is separated from the inner hole of the nut insert, and then the injection product on the lower die assembly can be demolded; when the mold is closed, the sliding assembly is first reset, the lifting slider is driven to reset under the action of the guide structure, then the nut insert is placed on the positioning part of the lifting slider, and then the upper die assembly and the lower die assembly are close to each other and abut tightly, the mold is closed under the guide action of the inclined guide pillar and the first guide groove, and then the integral injection of the injection product and the nut insert is carried out, the positioning part of the lifting slider is raised to facilitate the positioning of the inner hole of the nut insert for injection, the injection precision of the nut insert on the injection product is improved, or the positioning part of the lifting slider is lowered to be separated from the inner hole of the nut insert to facilitate demolding, the injection precision of the nut insert on the injection product is effectively improved, and the effect of rapid demolding of the injection product is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is an injection product in the prior art.

[0027] Figure 2 It is a structural view of the utility model, and the upper die assembly and the lower die assembly are not shown.

[0028] Figure 3 It is a longitudinal sectional view of the utility model Figure 2 .

[0029] Figure 4 It is a view of another angle of the utility model Figure 2 , and the injection product and the stop block are not shown.

[0030] Figure 5 It is a view of another angle of the utility modelFigure 4 Exploded diagram.

[0031] Figure 6 This utility model Figure 4 Exploded image from another perspective.

[0032] Figure 7 This utility model Figure 2 Another cross-sectional view of .

[0033] Figure 8 This utility model Figure 7 A partial enlarged view of area A in the middle.

[0034] In the figure: 1. inclined guide column; 2. sliding assembly; 2a. first guide groove; 21. sliding seat; 21a. sliding groove; 21b. mounting hole; 21c. through hole; 211. stopper; 22. guide member; 22a. second guide groove; 221. clamping portion; 23. connecting block; 23a. clamping groove; 23b. mounting hole; 230. pressure block; 231. elastic member; 232. abutment block; 3. lifting slider; 30. slide rail; 31. sliding portion; 32. push rod; 321. positioning portion; 4. oil cylinder; 5. block; 6. injection molded product; 7. nut insert. DETAILED DESCRIPTION

[0035] The present invention will be further described below with reference to the accompanying drawings.

[0036] An injection mold for integrally forming a nut insert, such as Figures 2-6 As shown, it includes an upper mold assembly and a lower mold assembly, the upper mold assembly includes an inclined guide column 1, the lower mold assembly is slidably provided with a sliding assembly 2, the sliding assembly 2 is provided with a lifting slider 3 for lifting, and the top of the lifting slider 3 is provided with a positioning portion 321 for positioning the nut insert 7, the sliding assembly 2 is provided with a first guide groove 2a corresponding to the inclined guide column 1, and the inclined guide column 1 is guided and matched with the first guide groove 2a; a guide structure is provided between the sliding assembly 2 and the lifting slider 3, and the sliding assembly 2 drives the lifting slider 3 to move up and down through the guide structure, so that the positioning portion 321 is inserted into the inner hole of the nut insert 7 or is pulled out from the inner hole of the nut insert 7.

[0037] like Figures 3-6As shown, the sliding assembly 2 comprises a sliding seat 21 and a guide 22, the guide 22 is fixedly connected to the sliding seat 21, a first guide groove 2a is provided through the side of the sliding seat 21, and the side of the lifting sliding block 3 is obliquely provided with a sliding rail 30, the guide 22 is obliquely provided with a second guide groove 22a corresponding to the sliding rail 30, the sliding rail 30 and the second guide groove 22a are guided and matched, when the sliding seat 21 moves away from the injection molding product 6, under the guidance of the second guide groove 22a and the sliding rail 30, the lifting sliding block 3 is obliquely slid along the direction of the second guide groove 22a relative to the guide 22, realizing the up and down movement of the lifting sliding block 3; the lifting sliding block 3 comprises a sliding part 31 and a top rod 32 which are integrally arranged, a positioning part 321 is extended to one end of the top rod 32 away from the sliding part 31, and the diameter of the positioning part 321 gradually decreases from the side close to the sliding part 31 to the side away from the sliding part 31, the positioning part 321 with gradually reduced end part can facilitate the nut insert 7 to be placed on the positioning part 321 and slid downward to the position; the sliding seat 21 is vertically provided with a sliding groove 21a, and the top of the sliding seat 21 is provided with a through hole 21c communicating with the sliding groove 21a, the through hole 21c is used to make the positioning part 321 extend out of the top of the sliding seat 21, and the lifting sliding block 3 is slidably arranged in the sliding groove 21a, when the lifting sliding block 3 is guided to slide in the inclined direction under the guidance of the guide structure, it can only slide in the length direction of the sliding groove 21a, so that the lifting sliding block 3 can vertically slide relative to the sliding seat 21; the sliding seat 21 is provided with a stop part 211 corresponding to the lifting sliding block 3, when the lifting sliding block 3 rises in the sliding groove 21a to contact the stop part 211, the stop part 211 and the lifting sliding block 3 limit and stop cooperation, and the addition of the stop part 211 can limit the rising height of the lifting sliding block 3, preventing the lifting sliding block 3 from rising excessively and causing cooperation failure.

[0038] As shown in Figures 2-3 and Figures 4-6 The sliding seat 21 is connected with a driving device, the driving device comprises an oil cylinder 4, the piston rod end of the oil cylinder 4 is fixedly connected with the sliding seat 21, and the oil cylinder 4 can drive the sliding seat 21 to slide horizontally on the lower die assembly, which is different from the manual pushing mode, saving manpower and making the mold closing more accurate; the lower die assembly is fixedly provided with a stop block 5, the stop block 5 and the sliding seat 21 limit and stop cooperation, and the stop block 5 is used to limit the horizontal sliding distance of the sliding seat 21.

[0039] As shown in Figures 2-8As shown, the sliding assembly 2 comprises a connecting block 23, the guide 22 is fixedly connected to the sliding seat 21 through the connecting block 23, and the first guide groove 2a extends through the connecting block 23; the sliding seat 21 is provided with a mounting hole 21b corresponding to the connecting block 23, the connecting block 23 is fixedly installed in the mounting hole 21b, and the guide 22 is provided with a clamping portion 221, the connecting block 23 is provided with a clamping groove 23a corresponding to the clamping portion 221, and the guide 22 is clamped and positioned through the clamping portion 221 and the clamping groove 23a, so that the guide 22 is detachably connected to the sliding seat 21 through the connecting block 23, facilitating the disassembly, replacement or maintenance of the guide 22 on the sliding seat 21; the connecting block 23 is provided with a mounting hole 21b position on both sides, which communicates with the first guide groove 2a, and the mounting hole 21b position is provided with an elastic member 231 and an abutting block 232, and the connecting block 23 is fixedly provided with a pressing block 230 on the side of the mounting hole 21b position, the pressing block 230 is used to abut against the elastic member 231 to prevent the elastic member 231 from being pulled out of the mounting hole 21b position, the elastic member 231 always has a movement trend of abutting the abutting block 232 against the side of the inclined guide pillar 1, so that when the inclined guide pillar 1 extends into the first guide groove 2a, the elastic members 231 on both sides can abut the abutting block 232 against both sides of the inclined guide pillar 1, and the inclined guide pillar 1 is positioned and abutted, improving the positioning accuracy of the upper die assembly and the lower die assembly in the combined die state.

[0040] The basic working principle of the utility model is: the upper die assembly bottom is provided with an inclined guide pillar 1, the lower die assembly is provided with a sliding assembly 2, the sliding assembly 2 is provided with a first guide groove 2a corresponding to the inclined guide pillar 1, a guide structure is arranged between the sliding assembly 2 and the lifting slide 3, the sliding assembly 2 drives the lifting slide 3 to move up and down through the guide structure, when the mold is opened, the upper die assembly and the lower die assembly are separated from each other, the upper die assembly drives the inclined guide pillar 1 to move away from the lower die assembly, so that the product is separated from the upper die assembly, at the same time, the inclined guide pillar 1 and the first guide groove 2a are used to guide the sliding assembly 2 to move and move away from the injection molding product 6 on the lower die assembly, then the oil cylinder 4 pulls the sliding assembly 2 to move away from the injection molding product 6, at the same time, the sliding assembly 2 moves away from the injection molding product 6, under the guidance of the guide structure, the lifting slide 3 is driven to move downward relative to the injection molding product 6, so that the positioning part 321 of the lifting slide 3 is separated from the inner hole of the nut insert 7, then the injection molding product 6 on the lower die assembly can be demolded; when the mold is closed, the oil cylinder 4 pushes the sliding assembly 2 to reset, under the action of the guide structure, the lifting slide 3 is driven to reset, then the nut insert 7 is placed on the positioning part 321 of the lifting slide 3, then the upper die assembly and the lower die assembly are close to each other and abut tightly, under the guidance of the inclined guide pillar 1 and the first guide groove 2a, the mold is closed, then the integral injection molding of the injection molding product 6 and the nut insert 7 is carried out, the utility model is guided by the inclined guide pillar 1 and the first guide groove 2a, and the guide structure is matched with each other, so that the positioning part 321 of the lifting slide 3 is lifted to facilitate the inner hole positioning of the nut insert 7 for injection molding, the injection molding precision of the nut insert 7 on the injection molding product 6 is improved, or the positioning part 321 of the lifting slide 3 is driven to descend and be pulled out of the inner hole of the nut insert 7 to facilitate demolding, which can effectively improve the injection molding precision of the nut insert on the injection molding product and realize the effect of rapid demolding of the injection molding product.

[0041] The above is only the preferred embodiment of the utility model, so equivalent changes or modifications made according to the structure, features and principles of the utility model patent application range are included in the utility model patent application range.

Claims

1. A nut insert integrated injection mold comprising an upper mold assembly and a lower mold assembly, characterized in that: The upper die assembly comprises an obliquely arranged inclined guide pillar (1), the lower die assembly is slidably provided with a sliding assembly (2), the sliding assembly (2) is provided with a lifting sliding block (3) which is lifted and lowered, and the top of the lifting sliding block (3) is provided with a positioning portion (321) for positioning a nut insert, the sliding assembly (2) is provided with a first guide groove (2a) corresponding to the inclined guide pillar (1), and the inclined guide pillar (1) is guided and matched with the first guide groove (2a); A guide structure is arranged between the sliding assembly (2) and the lifting sliding block (3), the sliding assembly (2) drives the lifting sliding block (3) to move up and down through the guide structure, so that the positioning portion (321) is positioned in or separated from the inner hole of the nut insert.

2. The injection mold for integrally molding a nut insert according to claim 1, wherein: The sliding assembly (2) comprises a sliding seat (21) and a guide piece (22), the guide piece (22) is fixedly connected to the sliding seat (21), the first guide groove (2a) is throughly provided on the side of the sliding seat (21), and the side of the lifting sliding block (3) is obliquely provided with a sliding rail (30), the guide piece (22) is obliquely provided with a second guide groove (22a) corresponding to the sliding rail (30), and the sliding rail (30) is guided and matched with the second guide groove (22a).

3. The injection mold for integrally molding a nut insert according to claim 1, wherein: The lifting sliding block (3) comprises a sliding portion (31) and a top rod (32) which are integrally arranged, the positioning portion (321) is extended to one end of the top rod (32) away from the sliding portion (31), and the diameter of the positioning portion (321) gradually decreases from the side close to the sliding portion (31) to the side away from the sliding portion (31).

4. The injection mold for integrally molding a nut insert according to claim 2, wherein: The sliding seat (21) is vertically provided with a sliding groove (21a), and the lifting sliding block (3) is slidably arranged in the sliding groove (21a).

5. The injection mold for integrally molding a nut insert according to claim 4, wherein: The sliding seat (21) is provided with a stop portion (211) corresponding to the lifting sliding block (3), when the lifting sliding block (3) is lifted to contact the stop portion (211) in the sliding groove (21a), the stop portion (211) is limited and stopped from cooperating with the lifting sliding block (3).

6. The injection mold for integrally molding a nut insert according to claim 2, wherein: The sliding seat (21) is connected with a driving device, the driving device comprises an oil cylinder (4), and the piston rod end of the oil cylinder (4) is fixedly connected with the sliding seat (21).

7. The injection mold for integrally molding a nut insert according to claim 2, wherein: The lower die assembly is fixedly provided with a stop block (5), and the stop block (5) is limited and stopped from cooperating with the sliding seat (21).

8. The injection mold for integrally molding a nut insert according to claim 2, wherein: The sliding assembly (2) comprises a connecting block (23), the guide piece (22) is fixedly connected to the sliding seat (21) through the connecting block (23), and the first guide groove (2a) is extended and throughly provided on the connecting block (23).

9. The injection mold for integrally molding a nut insert according to claim 8, wherein: The sliding seat (21) is provided with a mounting hole (21b) corresponding to the connecting block (23), the connecting block (23) is fixedly installed in the mounting hole (21b), and the guide piece (22) is provided with a clamping portion (221), the connecting block (23) is provided with a clamping groove (23a) corresponding to the clamping portion (221), and the guide piece (22) is clamped and positioned through the clamping portion (221) and the clamping groove (23a).

10. The injection mold for integrally molding a nut insert according to claim 9, wherein: The connecting block (23) is provided with a mounting hole (21b) corresponding to the first guide groove (2a) on both sides, and the mounting hole (21b) is provided with an elastic element (231) and an abutting block (232), the elastic element (231) always has a movement trend for driving the abutting block (232) to abut against the side of the inclined guide column (1).

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