CN211730106U

CN211730106U - Mold core-pulling mechanism

Info

Publication number: CN211730106U
Application number: CN201922422898.2U
Authority: CN
Inventors: 张贻青
Original assignee: Suzhou Luxi Optoelectronics Technology Co ltd
Current assignee: Suzhou Luxi Optoelectronics Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-23
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a mould mechanism of loosing core. The utility model comprises an outer core-pulling slider, an inner core-pulling slider is arranged at the bottom end of the outer core-pulling slider, a movable inner cavity is arranged at the joint of the middle part of the outer wall bottom end of the outer core-pulling slider and the middle part of the outer wall top end of the inner core-pulling slider, rack plates are arranged on both sides of the inner wall of the movable inner cavity, a shaft seat is arranged at the position of the movable inner cavity corresponding to the outer part of the inner core-pulling slider, a gear is arranged at the top end of the shaft seat, a movable tooth block is arranged on one side of the top end of the rack plate, when the outer core-pulling slider is applied with a leftward external force, the gear can rotate outside a gear shaft at the top end of the shaft seat through the engagement of the rack plate and the gear inside the outer core-pulling slider, the inner core-pulling slider can be driven to correspondingly, the device is convenient to use.

Description

Mold core-pulling mechanism

Technical Field

The utility model relates to a mould technical field specifically is a mould mechanism of loosing core.

Background

In the molding process of a mold, especially an injection mold, many shell products can be opened only after the core-pulling process is completed, and generally, an oil cylinder is used for core-pulling, so that the core-pulling process needs to be completed by a core-pulling structure.

However, the existing mold core pulling mechanism cannot drive the outer core pulling slide block and the inner core pulling slide block to slide simultaneously, cannot extract the inner core and the outer core of the mold simultaneously, and is troublesome to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould mechanism of loosing core to current mould mechanism of loosing core that proposes in solving above-mentioned background art slides when can not drive the outer slider of loosing core and the interior slider of loosing core, can not extract simultaneously mould inner core and outer core, and the device uses comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould mechanism of loosing core, includes the outer slider of loosing core, the slider of loosing core in installing outside the slider bottom of loosing core, outside loose core slider outer wall bottom middle part and the interior slider top outer wall middle part junction of loosing core install slide mechanism, slide mechanism is including activity inner chamber, rack plate, gear, axle bed and movable tooth piece, loose core slider outer wall bottom middle part outside and interior slider top outer wall middle part junction of loosing core outward and seted up movable inner chamber, the rack plate is all installed to activity inner chamber inner wall both sides, the outside corresponding activity inner chamber position department of the interior slider of loosing core runs through and installs the axle bed, the gear is installed on the axle bed top, movable tooth piece is installed to rack plate top one side.

Furthermore, the gear is fixedly connected with the shaft seat through a gear shaft, and a lubricating grease gasket is pasted at the joint of the gear and the gear shaft.

Further, fixed blocks are installed on two sides of the outer wall of the movable tooth block, supporting sleeves are installed on two sides of the outer wall of the outer core drawing sliding block, the fixed blocks are fixedly connected with the supporting sleeves through telescopic rods, and compression springs are sleeved between the outsides of the telescopic rods and the tops of the supporting sleeves and the bottoms of the fixed blocks.

Furthermore, the size of the teeth at the top end of the rack plate is equal to the size of the teeth on the outer part of the gear, and the gear and the rack plate are tightly meshed with each other.

Furthermore, the guide blocks are installed on two sides of the bottom end of the outer core pulling sliding block, clamping grooves are formed in two sides of the top end of the inner core pulling sliding block, and the inner diameter of each clamping groove is equal to the outer diameter of each guide block.

Furthermore, silica gel gaskets are respectively pasted and covered on two sides of the teeth on the surface of the rack plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with slide mechanism, when taking out the core slider outside and receiving external force left, through the interlock of taking out the inside rack plate of core slider outside and gear outside, the gear can rotate in the gear shaft outside on axle bed top, and the slider of loosing core correspondingly right in can driving through the rotation of gear to can slide when taking out the core slider outside and the interior slider of loosing core through movable inner chamber drive, extract the device simultaneously to mould inner core and outer core, it is convenient to use.

Through being provided with supporting sleeve, telescopic link and compression spring, when taking out the core slider and moving when too big left, through the interlock of activity rack piece and rack board, solved and taken out the core slider and moved when exceeding the stroke left and cause the problem of extrusion damage to the gear outward, realized the protection to the gear.

Drawings

Fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the movable inner chamber in the embodiment of FIG. 1;

fig. 3 is a schematic view of an installation structure of the loose gear in the embodiment of fig. 1.

Reference numerals: 1. an outward core-pulling slide block; 2. an inner core-pulling slider; 3. a sliding mechanism; 301. a movable inner cavity; 302. a rack plate; 303. a gear; 304. a shaft seat; 305. a movable tooth block; 4. a gear shaft; 5. a fixed block; 6. a support sleeve; 7. a telescopic rod; 8. compressing the spring.

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. 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.

Referring to fig. 1-3 together, a mold core pulling mechanism includes an outer core pulling slider 1, an inner core pulling slider 2 is installed at the bottom end of the outer core pulling slider 1, in order to avoid the position deviation between the outer core pulling slider 1 and the inner core pulling slider 2 when the outer core pulling slider 1 and the inner core pulling slider 2 slide, and ensure the positioning accuracy of the mold during core pulling, guide blocks are installed at both sides of the bottom end of the outer core pulling slider 1, clamping grooves are formed at both sides of the top end of the inner core pulling slider 2, the inner diameter of each clamping groove is equal to the outer diameter of each guide block, a sliding mechanism 3 is installed at the joint of the middle part of the bottom end of the outer wall of the outer core pulling slider 1 and the middle part of the outer wall of the top end of the inner core pulling slider 2, the sliding mechanism 3 includes a movable inner cavity 301, a rack plate 302, a gear 303, a shaft seat 304 and a movable tooth block 305, a movable inner cavity, the utility model discloses a core pulling device, including activity inner chamber 301 inner wall, movable inner chamber 301 inner wall both sides all install rack plate 302, the outside corresponding activity inner chamber 301 position department of interior core pulling slider 2 runs through and installs axle bed 304, gear 303 is installed on axle bed 304 top, in order to improve the compactness of interlock between rack plate 302 and the gear 303, the size of rack plate 302 top tooth equals the size of the outside tooth of gear 303, the interlock of each other between gear 303 and the rack plate 302 is inseparable, movable tooth piece 305 is installed to rack plate 302 top one side, through gear shaft 4 fixed connection between gear 303 and the axle bed 304, gear 303 and gear shaft 4 junction subsides have the lubricating grease gasket, when outer core pulling slider 1 receives external force left, through the interlock of the inside rack plate 302 of outer core pulling slider 1 and gear 303, gear 303 can rotate in the gear shaft 4 outsides on axle bed 304 top, can drive interior core pulling slider 2 through the rotation of gear 303 and correspondingly move right, thereby can be through the outside slider 1 of loosing core with interior slider 2 of loosing core slide simultaneously, extract the mould inner core simultaneously with outer core, it is convenient that the device uses, rack plate 302 surface tooth both sides all paste and have covered the silica gel gasket to reduce the friction of gear 303 in axle bed 304 department through lubricating grease piece and silica gel gasket, alleviated the wearing and tearing when using for a long time of gear 303.

Fixed block 5 is all installed to activity tooth piece 305 outer wall both sides, supporting sleeve 6 is all installed to 1 outer wall both sides of loosing core outward, through 7 fixed connection of telescopic link between fixed block 5 and the supporting sleeve 6, compression spring 8 has been cup jointed between 7 outsides of telescopic link and the 6 top of supporting sleeve and the 5 bottoms of fixed block, when the outer core-pulling slider 1 moves when too big left, through the interlock of activity tooth piece 305 with rack plate 302, solved outer core-pulling slider 1 and moved when surpassing the stroke left and cause the problem of extrusion damage to gear 303, realized the protection to gear 303.

To sum up, the utility model provides a mold core pulling mechanism, at work, at first, when outer core pulling slider 1 receives the external force to the left, through the interlock of rack plate 302 and gear 303 inside outer core pulling slider 1, gear 303 can rotate outside gear shaft 4 on axle bed 304 top, can drive inner core pulling slider 2 through the rotation of gear 303 and correspondingly move right, thereby can drive outer core pulling slider 1 and inner core pulling slider 2 to slide simultaneously through activity inner chamber 301, extract the mold inner core and outer core simultaneously, the device is convenient to use;

then, when the core-pulling slider 1 moves leftwards too much, the problem that the gear 303 is extruded and damaged when the core-pulling slider 1 moves leftwards and exceeds the stroke is solved through the meshing of the movable tooth block 305 and the rack plate 302, and the protection of the gear 303 is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mold core pulling mechanism, includes outer core pulling slider (1), its characterized in that, outer core pulling slider (1) bottom is installed interior slider (2) of loosing core, outer core pulling slider (1) outer wall bottom middle part and interior slider (2) top outer wall middle part junction of loosing core install slide mechanism (3) outward, slide mechanism (3) include movable inner chamber (301), rack board (302), gear (303), axle bed (304) and movable tooth piece (305), outer core pulling slider (1) outer wall bottom middle part and interior slider (2) top outer wall middle part junction of loosing core have seted up movable inner chamber (301), rack board (302) are all installed to movable inner chamber (301) inner wall both sides, interior slider (2) of loosing core outside corresponds movable inner chamber (301) position department and runs through and installs axle bed (304), gear (303) are installed on axle bed (304) top, and a movable toothed block (305) is arranged on one side of the top end of the rack plate (302).

2. The die core pulling mechanism as claimed in claim 1, wherein the gear (303) and the shaft seat (304) are fixedly connected through a gear shaft (4), and a lubricating grease gasket is adhered to the joint of the gear (303) and the gear shaft (4).

3. The mold core pulling mechanism according to claim 1, wherein fixing blocks (5) are mounted on two sides of the outer wall of the movable tooth block (305), supporting sleeves (6) are mounted on two sides of the outer wall of the outer core pulling sliding block (1), the fixing blocks (5) and the supporting sleeves (6) are fixedly connected through telescopic rods (7), and compression springs (8) are sleeved between the outer portions of the telescopic rods (7) and the top ends of the supporting sleeves (6) and the bottom ends of the fixing blocks (5).

4. A die core pulling mechanism according to claim 1, wherein the size of the teeth at the top end of the rack plate (302) is equal to the size of the outer teeth of the gear (303), and the gear (303) and the rack plate (302) are tightly engaged with each other.

5. The mold core pulling mechanism according to claim 1, wherein guide blocks are mounted on two sides of the bottom end of the outer core pulling slide block (1), clamping grooves are formed in two sides of the top end of the inner core pulling slide block (2), and the inner diameter of each clamping groove is equal to the outer diameter of each guide block.

6. The mold core pulling mechanism according to claim 1, wherein both sides of the teeth on the surface of the rack plate (302) are coated with silicone gaskets.