CN217258089U

CN217258089U - High-precision medical instrument part rapid forming die

Info

Publication number: CN217258089U
Application number: CN202221098980.XU
Authority: CN
Inventors: 沈呈科; 范丹丹; 沈爱菊
Original assignee: Shenzhen Runcheng Precision Machinery Technology Co Ltd
Current assignee: Shenzhen Runcheng Precision Machinery Technology Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-23
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a high-precision medical instrument part rapid forming die, which relates to the field of die design and comprises an upper die plate and a lower die plate, wherein a die cavity is fixedly arranged at the lower side of the upper die plate, a die core is fixedly arranged at the upper side of the lower die plate, a lateral core pulling mechanism is arranged on the lower die plate and comprises a first slider, a second slider, a compression spring, an adjusting screw, a locking nut and an oblique bolt, the first slider and the second slider are arranged on the lower die plate in a sliding fit manner, the second slider is positioned at the outer side of the first slider, the adjusting screw is fixedly arranged at the outer side of the first slider, a clearance hole is formed at the middle part of the second slider, the outer end of the adjusting screw passes through the clearance hole, the locking nut is arranged at the outer end of the adjusting screw in a spiral fit manner, the compression spring is arranged between the first slider and the second slider in an abutting manner, the oblique bolt is fixedly arranged at the lower side of the upper die plate, the second slider is formed with an insertion hole, and the lower end of the inclined bolt is inserted into the insertion hole in a clearance fit mode.

Description

High-precision medical instrument part rapid forming die

Technical Field

The utility model belongs to the technical field of mold design and specifically relates to a high-accuracy medical instrument part rapid prototyping mould is related to.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

In injection mold, the injection molding machine pours into injection mold with the plastic that the high temperature flows into, wait to carry out the drawing of patterns ejection of compact after the plastic cools off, to the product that the side structure is complicated, need set up side direction core pulling mechanism in the mould, side direction core pulling mechanism is including slider and oblique bolt, be provided with the obliquely jack on the slider, oblique bolt inserts the jack and drives the slider and be close to high temperature plastic during the compound die, the bolt is extracted the jack and is driven the slider and keep away from the plastic after the cooling during the drawing of patterns, the defect of this kind of mould lies in that the slip stroke of its slider is injectd, the slider slides to the unable regulation of distance of high temperature plastic, the product structure that leads to single mould to produce is completely unanimous, can't use single mould to produce the product that the structure has difference slightly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A high-precision medical instrument part rapid forming die comprises an upper die plate and a lower die plate, wherein a cavity is fixedly arranged on the lower side of the upper die plate, a core is fixedly arranged on the upper side of the lower die plate, the cavity is arranged above the core, a lateral core pulling mechanism is arranged on the lower die plate and comprises a first slider, a second slider, a compression spring, an adjusting screw rod, a locking nut and an inclined bolt, the first slider and the second slider are arranged on the lower die plate in a sliding fit manner, the first slider is positioned on the outer side of the core, the second slider is positioned on the outer side of the first slider, the adjusting screw rod is fixedly arranged on the outer side of the first slider, a clearance hole is formed in the middle of the second slider, the clearance hole is transversely arranged, the outer end of the adjusting screw rod penetrates through the clearance hole, the locking nut is arranged on the outer end of the adjusting screw rod in a spiral fit manner, the locking nut is pressed on the outer side of the second slider, the compression spring is abutted against and arranged between the first slider and the second slider, oblique bolt fixed mounting has the jack in the downside of cope match-plate pattern, the shaping on the second slider, and the jack slant sets up, and the lower extreme clearance fit of oblique bolt inserts the jack setting, and the setting of staggering around each other between clearance hole and the jack is kept away.

As a further aspect of the present invention: the outer side of the locking nut is provided with a cylinder handle, a nut countersunk groove is formed in the inner side of the cylinder handle, and the locking nut is installed in the nut countersunk groove in a clearance fit mode.

As a further aspect of the present invention: the outside of drum handle is carved and is made the scale, and the upside border of second slider is carved and is made the arrow point, and the arrow point direction scale setting.

As a further aspect of the present invention: the upper side edge of the lower template is formed with a clearance groove which is positioned below the cylinder handle.

As a further aspect of the present invention: a plurality of positioning rods are fixedly mounted on the outer side of the first sliding block, a plurality of positioning holes are formed in the second sliding block, and the outer ends of the positioning rods are inserted into the positioning holes in a one-to-one clearance fit mode.

As a further aspect of the present invention: the outside shaping of first slider has first spring groove, and the inboard shaping of second slider has second spring groove, and housing spring butt is installed between first spring groove and second spring groove, and the degree of depth that first spring groove and second spring groove add equals the length after housing spring compresses tightly completely.

Compared with the prior art, the beneficial effects of the utility model are that: the compression spring is pressed between the first sliding block and the second sliding block all the time, the first sliding block can be driven to be close to the second sliding block when the locking nut button is tight, the compression spring drives the first sliding block to be away from the second sliding block when the locking nut button is loose, the position of the sliding block is adjusted, the sliding stroke of the sliding block is adjusted, and a single mold can produce products with slightly different structures.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the lateral coring mechanism;

figure 4 is a schematic top cross-sectional view of the lateral coring mechanism.

Shown in the figure: 1. mounting a template; 2. a lower template; 3. a cavity; 4. a core; 5. a lateral core-pulling mechanism; 51. a first slider; 52. a second slider; 53. a compression spring; 54. adjusting the screw rod; 55. locking the nut; 56. an oblique bolt; 6. avoiding a void; 7. a jack; 8. a cylinder handle; 9. a nut countersunk groove; 10. a graduated scale; 11. an arrow; 12. avoiding a void groove; 13. positioning a rod; 14. positioning holes; 15. a first spring groove; 16. a second spring groove.

Detailed Description

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

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model discloses a high-precision medical instrument part rapid molding die, which comprises an upper die plate 1 and a lower die plate 2, wherein a cavity 3 is fixedly installed at the lower side of the upper die plate 1, a core 4 is fixedly installed at the upper side of the lower die plate 2, the cavity 3 is arranged above the core 4, a lateral core-pulling mechanism 5 is arranged on the lower die plate 2, the lateral core-pulling mechanism 5 comprises a first slider 51, a second slider 52, a compression spring 53, an adjusting screw 54, a lock nut 55 and an oblique pin 56, the first slider 51 and the second slider 52 are both installed on the lower die plate 2 in a sliding fit manner, the first slider 51 is located at the outer side of the core 4, the second slider 52 is located at the outer side of the first slider 51, the adjusting screw 54 is fixedly installed at the outer side of the first slider 51, a clearance hole 6 is formed at the middle part of the second slider 52, the clearance hole 6 is transversely arranged, the outer end of the adjusting screw 54 passes through the clearance hole 6, a locking nut 55 is arranged at the outer end of the adjusting screw 54 in a spiral matching manner, the locking nut 55 is pressed on the outer side of the second slide block 52, a compression spring 53 is arranged between the first slide block 51 and the second slide block 52 in an abutting manner, an inclined bolt 56 is fixedly arranged at the lower side of the upper template 1, a jack 7 is formed on the second slide block 52, the jack 7 is obliquely arranged, the lower end of the inclined bolt 56 is inserted into the jack 7 in a clearance fit manner, and the clearance holes 6 and the jack 7 are arranged in a staggered manner from front to back;

the principle is as follows: the hold-down spring 53 is pressed between the first slider 51 and the second slider 52 all the time, the lock nut 55 can drive the first slider 51 to approach to the direction of the second slider 52 when being fastened tightly, the hold-down spring 53 drives the first slider 51 to leave away from the second slider 52 when the lock nut 55 is fastened loosely, the adjustment of the slider position is realized, during mold closing, the inclined plug pin 56 is inserted into the plug hole 7 to drive the second slider 52 to move towards the direction of the core 4, injection molding is carried out after the first slider 51 is close to the core 4, because the distance between the first slider 51 and the second slider 52 can be adjusted, and then the sliding stroke is adjusted, a product with slight difference in structure can be produced by a single mold, during mold releasing, the inclined plug pin 56 is pulled out from the plug hole 7 to realize the effect of driving the first slider 51 and the second slider 52 to keep away from the core 4, the product is prevented from being clamped by the inner wall of the first slider 51, and the product demolding is convenient.

As a further aspect of the present invention: a cylindrical handle 8 is arranged on the outer side of the locking nut 55, a nut countersunk groove 9 is formed on the inner side of the cylindrical handle 8, and the locking nuts 55 are arranged in the nut countersunk groove 9 in a matched mode; it is possible to facilitate the twisting of the lock nut 55.

As a further aspect of the present invention: a graduated scale 10 is carved on the outer side of the cylinder handle 8, an arrow 11 is carved on the upper side edge of the second sliding block 52, and the arrow 11 points to the graduated scale 10; it is possible to facilitate adjustment and determination of the distance between the first slider 51 and the second slider 52.

As a further aspect of the present invention: a clearance groove 12 is formed at the edge of the upper side of the lower template 2, and the clearance groove 12 is positioned below the cylindrical handle 8; the lower template 2 can not block the cylinder handle 8, so that the cylinder handle 8 can be twisted conveniently.

As a further aspect of the present invention: a plurality of positioning rods 13 are fixedly installed on the outer side of the first sliding block 51, a plurality of positioning holes 14 are formed in the second sliding block 52, and the outer ends of the positioning rods 13 are inserted into the positioning holes 14 in a one-to-one clearance fit manner; the second slider 52 can be ensured to be outside the first slider 51, and the distance adjustment is more stable.

As a further aspect of the present invention: a first spring groove 15 is formed on the outer side of the first sliding block 51, a second spring groove 16 is formed on the inner side of the second sliding block 52, a pressing spring 53 is installed between the first spring groove 15 and the second spring groove 16 in an abutting mode, and the added depth of the first spring groove 15 and the second spring groove 16 is equal to the length of the pressing spring 53 after the pressing spring 53 is completely pressed; the hold-down spring 53 can be completely sunk into the first spring groove 15 and the second spring groove 16, while the mounting position of the hold-down spring 53 can be ensured.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. The utility model provides a high-accuracy medical instrument part rapid prototyping mould, includes cope match-plate pattern and lower bolster, and the downside fixed mounting of cope match-plate pattern has the die cavity, and the upside fixed mounting of lower bolster has the core, and the die cavity setting is provided with the side direction on the lower bolster and takes out heart mechanism, its characterized in that in the top of core: the lateral core-pulling mechanism comprises a first slide block, a second slide block and a pressing spring, adjusting screw, lock nut and oblique bolt, the equal sliding fit of first slider and second slider is installed on the lower bolster, first slider is located the outside of core, the second slider is located the outside of first slider, adjusting screw fixed mounting is in the outside of first slider, the middle part shaping of second slider has the clearance hole of keeping away, keep away the horizontal setting of clearance hole, adjusting screw's outer end is passed and is kept away the clearance hole setting, lock nut screw fit installs the outer end at adjusting screw, lock nut presses the outside at the second slider, the housing spring butt is installed between first slider and second slider, oblique bolt fixed mounting is at the downside of cope match-plate pattern, the shaping has the jack on the second slider, the jack slant sets up, the lower extreme clearance fit of oblique bolt inserts the jack setting, keep away the setting of staggering around each other between clearance hole and the jack.

2. The high-precision medical instrument part rapid forming die as claimed in claim 1, wherein: the outer side of the locking nut is provided with a cylinder handle, a nut countersunk groove is formed in the inner side of the cylinder handle, and the locking nut is installed in the nut countersunk groove in a clearance fit mode.

3. The high-precision medical instrument part rapid forming die as claimed in claim 2, wherein: the outside of drum handle is carved and is made the shaping and have the scale, and the upside border of second slider is carved and is made the shaping and have the arrow point, and the arrow point sets up to the scale.

4. The high-precision medical instrument part rapid forming die as claimed in claim 2, wherein: the upper side edge of the lower template is formed with a clearance groove which is positioned below the cylinder handle.

5. The high-precision medical instrument part rapid forming die as claimed in claim 1, wherein: a plurality of positioning rods are fixedly mounted on the outer side of the first sliding block, a plurality of positioning holes are formed in the second sliding block in a forming mode, and the outer ends of the positioning rods are in one-to-one clearance fit with the positioning holes in an inserted mode.

6. The high-precision medical instrument part rapid forming die as claimed in claim 1, wherein: the outside shaping of first slider has first spring groove, and the inboard shaping of second slider has second spring groove, and housing spring butt is installed between first spring groove and second spring groove, and the degree of depth that first spring groove and second spring groove add equals the length after housing spring compresses tightly completely.