CN217621971U

CN217621971U - Injection mold worm gear structure of loosing core

Info

Publication number: CN217621971U
Application number: CN202221672950.5U
Authority: CN
Inventors: 叶吉虎
Original assignee: Hangzhou Suokai Industrial Co ltd
Current assignee: Hangzhou Suokai Industrial Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-21
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to an injection mold technical field specifically is an injection mold worm gear structure of loosing core, including worm wheel, worm and product mould, through the key-type connection between worm wheel and the worm, the lower extreme of worm links to each other with the product mould, the outside of worm wheel is equipped with and drives the worm wheel and carry out pivoted rack A just rack A carries out portable regulation along the outside of worm wheel. This injection mold worm gear structure of loosing core compares with prior art for worm and the part that links to each other with the worm carry out linear motion when carrying out the pivoted, and this structure links to each other with travel switch again, thereby make and to carry out automated control in the actual production process, satisfied thread die's actual production requirement, can avoid the loaded down with trivial details step of artifical change screw thread inserts in traditional production, improved production efficiency.

Description

Injection mold worm gear structure of loosing core

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold worm gear structure of loosing core.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

When a plastic product with a thread core pulling structure is produced, the traditional mold thread core pulling adopts means of manually placing an insert, manually post-processing tapping and the like, the labor cost is high, the efficiency is low, and the automatic production and control are not easy to realize.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides an injection mold worm gear structure of loosing core has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection mold worm gear structure of loosing core, includes worm wheel, worm and product mould, through the key-type connection between worm wheel and the worm, the least significant end of worm links to each other with the product mould, the outside of worm wheel is equipped with and drives the worm wheel and carry out pivoted rack A just rack A carries out portable regulation along the outside of worm wheel, the worm wheel drives the worm when rotating and looses core the motion.

Preferably, the outside meshing of worm wheel has the rack A that drives the worm wheel and carry out axial pivoted just rack A carries out linear motion regulation around along the outside of worm wheel, the worm wheel drives the worm when rotating and rotates and the displacement.

Preferably, the displacement of the rack A is driven by an oil cylinder, the movement stroke of the rack A is controlled by two limit blocks B, the movement process of the rack A is guided by the guide block C and the wear-resisting plate in a coordinated manner, and a limit block C for controlling the torque of the worm wheel is arranged outside the worm wheel.

Preferably, the two limit blocks B are located at the front end and the tail end of the rack a respectively, the guide block C is located below the rack a, and the wear-resisting plate is located on the outer side of the rack a.

Preferably, a cover plate used for installing the worm wheel on the die is arranged above the worm wheel, a thread guide block is arranged in the cover plate, and the worm can perform small-amplitude vertical displacement adjustment through the thread guide block when rotating.

Preferably, the outside of worm is equipped with the guide block A that is used for carrying out the guide effect to the worm of displacement about the minor dimension just be equipped with the cushion between guide block A and the worm wheel, the top of worm is equipped with the double thread hob that cup joints with screw thread guide block looks screw just double thread hob and worm are the integration and are connected, the top of apron is equipped with the briquetting that is used for fixed thread guide block just the briquetting carries out position control through the adjusting plate.

Preferably, the insert A and the insert B are respectively fixed at the lowest end of the worm through pins, the worm synchronously drives the two inserts to move relative to the insert B in the core-pulling process, and the lowest end of the insert B is connected with the product mold through a clamping part.

Preferably, be equipped with at least three in the buckle spare and be used for carrying out spacing fixed spiral buckle to mold insert B, three spiral buckle is 120 and distributes in the buckle spare.

Preferably, a rack B which can be movably adjusted along the worm gear is further arranged outside the worm gear, a travel switch collision block which is connected with the rack B is arranged on the rack B, and the travel switch collision block moves between the two travel switches.

Preferably, the outside meshing of worm wheel has the rack B who carries out opposite direction displacement regulation with rack A, rack B's displacement regulation leads just through two guide block B the stroke of rack B passes through stopper A control, two travel switches locate respectively that travel switch hits the outside of piece and is used for the displacement of control hydro-cylinder.

The working principle is as follows: the oil cylinder drives the rack to move linearly back and forth, the movement stroke of the rack is controlled by the two limit blocks B, the rack A is guided by the guide block C and the wear-resisting plate in a coordinated manner in the movement process, the rack A drives the worm wheel to rotate, the limit blocks C control the torque of the worm wheel, and the worm wheel is pressed and fixed on a product mold through the cover plate. The pressing block fixes the thread guide block on the cover plate, and the relative position of the thread guide block is adjusted through the adjusting plate. The internal thread in the thread guide block is connected with the thread of the double-thread screw rod at the head of the worm, so that the relatively static thread guide block drives the worm to rotate and move up and down. Which is guided by the guide block a while moving up and down. The spacer blocks the guide block a from rubbing against the worm wheel. The tail part of the worm is also fixed with the two insert pieces through pins, so that the two insert pieces generate relative motion in the core-pulling process. The rack B can be driven to do linear motion back and forth in the rotation process of the worm wheel, the linear motion of the rack B is guided by the two guide blocks B in a coordinated mode, and the stroke of the rack B is controlled by the limiting block A. The tail part of the rack B is connected with a travel switch collision block through a connecting block, so that the rack B moves between two travel switches, and the two travel switches control the forward and backward movement of the oil cylinder to realize the automatic control of the mechanism.

This injection mold worm gear structure of loosing core compares with prior art for worm and the part that links to each other with the worm carry out linear motion when rotating, and this structure links to each other with travel switch again, thereby make and to carry out automated control in actual production process, the actual production requirement of screw thread mould has been satisfied, can avoid the loaded down with trivial details step of artifical change screw thread inserts in traditional production, and the production efficiency is improved, mechanical automated production has been realized, the thread quality of product has been guaranteed.

Drawings

FIG. 1 is a schematic view of the overall split structure of the present invention;

FIG. 2 is a schematic structural view of the whole front section of the present invention;

fig. 3 is a schematic structural view of the present invention viewed from above;

FIG. 4 is a schematic view of the overall structure of the present invention;

fig. 5 is a schematic view of the fastener structure of the product mold of the present invention.

In the figure: 1. a worm gear; 2. a worm; 3. a rack A; 4. a cover plate; 5. a threaded guide block; 6. a double-threaded screw; 7. an insert A; 8. an insert B; 9. a fastener; 10. a spiral buckle is arranged; 11. a guide block A; 12. cushion blocks; 14. briquetting; 15. an adjustment plate; 16. a rack B; 17. a travel switch collision block; 18. a travel switch; 19. a guide block B; 20. a limiting block A; 21. an oil cylinder; 22. a limiting block B; 23. a guide block C; 24. a wear plate; 25. and a limiting block C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a core pulling structure of a worm gear and a worm of an injection mold comprises a worm wheel 1, a worm 2 and a product mold, wherein a rack B16 which is movably adjusted along the worm wheel 1 is further arranged outside the worm wheel 1, a travel switch collision block 17 which is connected with the rack B16 is arranged on the rack B16, the travel switch collision block 17 moves between two travel switches 18, the rack B16 which is opposite to the rack A3 in displacement adjustment is meshed outside the worm wheel 1, the displacement adjustment of the rack B16 is guided through two guide blocks B19, the travel of the rack B16 is controlled through a limiting block A20, the two travel switches 18 are respectively arranged outside the travel switch collision block 17 and are used for controlling the displacement of an oil cylinder 21, the worm wheel 1 is in key connection with the worm 2, the lowest end of the worm 2 is connected with the product mold, the rack A3 which drives the worm wheel 1 to axially rotate is meshed outside the worm wheel 1, and the rack A3 is linearly adjusted back and forth along the outside the worm wheel 1, the worm wheel 1 drives the worm 2 to rotate and displace when rotating, the displacement of the rack A3 is driven by the oil cylinder 21, the movement stroke of the rack A3 is controlled by two limit blocks B22, the movement process of the rack A3 is guided by the guide block C23 and the wear-resisting plate 24 in a cooperation manner, the outer part of the worm wheel 1 is provided with a limit block C25 for controlling the torque of the worm wheel 1, the two limit blocks B22 are respectively positioned at the front end and the tail end of the rack A3, the guide block C23 is positioned below the rack A3, the wear-resisting plate 24 is positioned at the outer side of the rack A3, the upper part of the worm wheel 1 is provided with a cover plate 4 for installing the worm wheel 1 on a mold, the cover plate 4 is internally provided with a thread guide block 5, the worm 2 can adjust the vertical displacement of a small amplitude through the thread guide block 5 when rotating, the outer part of the worm 2 is provided with a guide block A11 for guiding the worm 2 of vertical displacement of a small amplitude, and a cushion block 12 is arranged between the guide block A11 and the worm wheel 1, the topmost of worm 2 is equipped with and is connected with 5 looks screw sockets of screw thread double-thread hob 6 and worm 2 are the integration, the least significant end of worm 2 is fixed with mold insert A7 and mold insert B8 respectively through the pin and worm 2 is being driven two mold inserts in step and is producing rather than relative motion going on loosing core the in-process, mold insert B8's least significant end passes through fastener 9 and links to each other with the product mould, be equipped with at least three spiral buckle 10 that is used for carrying out spacing fixed to mold insert B8 in the fastener 9, three spiral buckle 10 is 120 and distributes in fastener 9, the top of apron 4 is equipped with 14 and the briquetting 14 that is used for fixed screw thread guide 5 and carries out position control through adjusting plate 15, the outside of worm wheel 1 is equipped with and drives worm wheel 1 and carries out pivoted rack A3 and carries out portable regulation along worm wheel 1's outside, worm wheel 1 drives worm 2 when rotating and carries out the motion of loosing core.

The electrical components presented in the text are all electrically connected with external master controllers and 380V commercial power, and the master controllers can be conventional known devices controlled by computers and the like.

To sum up, this injection mold worm gear structure of loosing core, during the use, compare with prior art for worm 2 and the part that links to each other with worm 2 carry out linear motion when rotating, and this structure links to each other with travel switch 18 again, thereby makes and to carry out automated control in the actual production process, has satisfied the actual production requirement of screw thread mould, can avoid the loaded down with trivial details step of artifical change screw thread inserts in traditional production, has improved production efficiency. The mechanical automatic production is realized, and the thread quality of the product is ensured.

In the description of the present application, the terms "connect", "install", "fix", "set", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the present invention can be understood according to specific situations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an injection mold worm gear structure of loosing core, includes worm wheel (1), worm (2) and product mould, through the key-type connection between worm wheel (1) and worm (2), the least significant end of worm (2) links to each other its characterized in that with the product mould: the outside of worm wheel (1) is equipped with and drives worm wheel (1) and carry out pivoted rack A (3) just rack A (3) carry out portable the regulation along the outside of worm wheel (1), worm wheel (1) drive worm (2) when rotating and carry out the motion of loosing core.

2. The injection mold worm gear structure of loosing core of claim 1, characterized in that: the outside meshing of worm wheel (1) has drive worm wheel (1) to carry out axial pivoted rack A (3) just linear motion adjusts around rack A (3) carries out along the outside of worm wheel (1), worm wheel (1) drives worm (2) when rotating and rotates and the displacement.

3. The injection mold worm gear structure of loosing core of claim 2, characterized in that: the displacement of rack A (3) is through hydro-cylinder (21) drive, the motion stroke of rack A (3) is controlled and the motion process of rack A (3) is guided in coordination through guide block C (23) and antifriction plate (24) through two stopper B (22), the outside of worm wheel (1) is equipped with stopper C (25) that are used for controlling worm wheel (1) torque.

4. The injection mold worm gear structure of loosing core of claim 3, characterized in that: the two limiting blocks B (22) are respectively located at the front end and the tail end of the rack A (3), the guide block C (23) is located below the rack A (3), and the wear-resisting plate (24) is located on the outer side of the rack A (3).

5. The injection mold worm gear structure of loosing core of claim 4, characterized in that: the upper portion of worm wheel (1) is equipped with apron (4) that are used for installing worm wheel (1) on the mould, be equipped with screw thread guide block (5) in apron (4) just worm (2) accessible screw thread guide block (5) carry out displacement adjustment about the small-amplitude when rotating.

6. The injection mold worm gear structure of loosing core of claim 5, characterized in that: the outside of worm (2) is equipped with guide block A (11) just that are used for carrying out the guide effect to worm (2) of displacement from top to bottom of small-amplitude be equipped with cushion (12) between guide block A (11) and worm wheel (1), the top of worm (2) is equipped with two screw thread hob (6) just that cup joint with screw thread guide block (5) looks screw thread double thread hob (6) are the integration with worm (2) and are connected, the top of apron (4) is equipped with briquetting (14) just that are used for fixed thread guide block (5) briquetting (14) carry out position control through adjusting plate (15).

7. The injection mold worm gear structure of loosing core of claim 6, characterized in that: the lowest end of the worm (2) is respectively fixed with an insert A (7) and an insert B (8) through pins, the worm (2) synchronously drives the two inserts to move relative to the inserts in the core-pulling process, and the lowest end of the insert B (8) is connected with a product mold through a buckle piece (9).

8. The injection mold worm gear structure of loosing core of claim 7, characterized in that: be equipped with in buckle spare (9) at least three be used for carrying on spacing fixed spiral buckle (10) to mold insert B (8), three spiral buckle (10) are 120 and distribute in buckle spare (9).

9. The injection mold worm gear structure of loosing core of claim 1, characterized in that: the external portion of worm wheel (1) still is equipped with rack B (16) that carries out the portable regulation along worm wheel (1), be equipped with on rack B (16) and hit piece (17) with the travel switch that rack B (16) link to each other and travel switch hits piece (17) and move along between two travel switch (18).

10. The injection mold worm gear structure of loosing core of claim 9, characterized in that: the outside meshing of worm wheel (1) has rack B (16) that carry out opposite direction displacement with rack A (3) and adjust, the displacement of rack B (16) is adjusted and is led just through two guide block B (19) the stroke of rack B (16) is controlled through stopper A (20), two travel switch (18) are located the outside that travel switch collided piece (17) respectively and are used for the displacement of control cylinder (21).