CN218966037U

CN218966037U - Mould core-pulling mechanism for improving dimensional stability of retainer

Info

Publication number: CN218966037U
Application number: CN202223457459.3U
Authority: CN
Inventors: 刘宁君; 张晓杰
Original assignee: Wuxi Zhongtian Plastic Cage Manufacturing Co ltd
Current assignee: Wuxi Zhongtian Plastic Cage Manufacturing Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to a die core pulling mechanism for improving dimensional stability of a retainer, which comprises a lower die, wherein a die clamping structure is arranged above the lower die, the core pulling structure is arranged above the lower die, the die clamping structure comprises a mounting frame, the bottom of the mounting frame is fixedly connected with the top of the lower die, an electric telescopic rod is fixedly arranged at the top of the mounting frame, an installation shell is fixedly arranged at the bottom of the electric telescopic rod telescopic shaft, and an upper die is fixedly arranged at the bottom of the installation shell. This improve holder dimensional stability's mould mechanism of loosing core through being provided with the compound die structure, has reached the purpose that improves mould mechanism stability of loosing core, prevents that the contact surface of last mould and bed die from warping, influences its life, through being provided with the structure of loosing core, plays the effect through a plurality of post movements of loosing core of motor drive for the post of loosing core is better at the die cavity internal stability, and the people of being convenient for use.

Description

Mould core-pulling mechanism for improving dimensional stability of retainer

Technical Field

The utility model relates to the technical field of mold core pulling, in particular to a mold core pulling mechanism for improving dimensional stability of a retainer.

Background

Injection molding is also called injection molding, which is a molding method for injection and molding, and has the advantages of high production speed and high efficiency, automation of operation, various patterns, various shapes, large size, small size, accurate product size, easy updating of products, and capability of molding products with complex shapes.

According to the core-pulling mold with high stability provided by the patent of publication No. CN215703729U, the effect of buffering the die closing and opening impact force is achieved by arranging the spring A and the spring B, the spring A is arranged at the position of the upper end of the die footstock on the outer surface of the support column, the spring B is sleeved at the position of the clearance between the die base and the die footstock on the outer surface of the support column, so that the problems that the contact impact force of an upper mold and a lower mold is large and the upper mold and the lower mold cannot be buffered in the die closing process, the contact surface of the upper mold and the lower mold is easily deformed and the service life of the upper mold is influenced are solved, the service life of the core-pulling mold is prolonged, but the core-pulling mold with high stability is realized by adopting a cylinder to perform core-pulling action, and if the core-pulling structure is more, a plurality of power devices are needed to drive the core-pulling columns to move, the cost is higher, and the core-pulling mechanism of the mold for improving the dimensional stability of the retainer is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a die core-pulling mechanism for improving the dimensional stability of a retainer, which has the advantage that a plurality of core-pulling columns can be driven to move by one motor, and solves the problems that the core-pulling die with high stability performs core-pulling action by a cylinder, and if the core-pulling structure is more, a plurality of power devices are needed to drive the core-pulling columns to move, and the cost is higher.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the die core pulling mechanism for improving the dimensional stability of the retainer comprises a lower die, wherein a die clamping structure is arranged above the lower die, and a core pulling structure is arranged above the lower die;

the die assembly structure comprises a mounting frame, the bottom of mounting frame and the top fixed connection of bed die, the top fixed mounting of mounting frame has electric telescopic handle, the bottom fixed mounting of electric telescopic handle telescopic shaft has the installation shell, the bottom fixed mounting of installation shell has the mould, the interior roof fixed mounting of installation shell has the motor, the output shaft of motor passes through shaft coupling fixedly connected with axis of rotation.

Further, the structure of loosing core is including two installation warehouses, two the inside of installation warehouses is all rotated and is installed one end and run through and extend to the inside dwang of installation shell, two the surface of dwang and the surface of axis of rotation closely laminate and have synchronous belt, two the equal fixed mounting of surface of dwang has horizontal gear, the equal slidable mounting of inner chamber left and right sides wall of last mould has one end to run through and extend to its inside post of loosing core, two the equal screw thread in inside of post of loosing core is installed one end and is run through and extend to the inside threaded rod of installation warehouses, two the equal fixed mounting of surface of threaded rod has vertical gear, two the surface of vertical gear meshes with the surface of two horizontal gears respectively.

Further, the mounting frame comprises four mounting rods and a mounting plate, the bottoms of the four mounting rods are fixedly connected with the top of the lower die, the top of the four mounting rods is fixedly provided with the mounting plate, and the top of the mounting plate is fixedly mounted with the bottom of the electric telescopic rod.

Further, the outer surfaces of the four mounting rods are fixedly provided with limiting blocks, and opposite sides of the four limiting blocks are fixedly connected with the left side and the right side of the upper die respectively.

Further, the movable hole is formed in the top of the mounting plate, and the size of the movable hole is matched with the size of the telescopic shaft of the electric telescopic rod.

Further, the outer surfaces of the two rotating rods and the outer surface of the rotating shaft are fixedly provided with belt pulleys, and the outer surfaces of the three belt pulleys are tightly attached to the inner surface of the synchronous belt.

Further, the left and right side walls of the inner cavity of the upper die are provided with mounting grooves, and the inner surfaces of the two mounting grooves are respectively connected with the outer surfaces of the two core-pulling columns in a sliding manner.

Further, the inner top wall and the inner bottom wall of the mounting groove are provided with sliding grooves, the top and the bottom of the core pulling column are fixedly provided with sliding blocks, and the outer surfaces of the two sliding blocks are respectively in sliding connection with the inner surfaces of the two sliding grooves.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this improve holder dimensional stability's mould mechanism of loosing core through being provided with the compound die structure, has reached the purpose that improves mould mechanism stability of loosing core, prevents that the contact surface of last mould and bed die from warping, influences its life, through being provided with the structure of loosing core, plays the effect through a plurality of post movements of loosing core of motor drive for the post of loosing core is better at the die cavity internal stability, and the people of being convenient for use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a top cross-sectional view of the structure of the present utility model, fig. 1.

In the figure: 1. a lower die; 2. a mold closing structure; 201. a mounting frame; 202. an electric telescopic rod; 203. a mounting shell; 204. an upper die; 205. a motor; 206. a rotating shaft; 3. a core pulling structure; 301. a mounting bin; 302. a rotating lever; 303. a timing belt; 304. a transverse gear; 305. a core pulling column; 306. a threaded rod; 307. a vertical gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1 and 3, a mold core pulling mechanism for improving dimensional stability of a retainer in this embodiment includes a lower mold 1, a mold clamping structure 2 is disposed above the lower mold 1, a core pulling structure 3 is disposed above the lower mold 1, the mold clamping structure 2 includes a mounting frame 201, a bottom of the mounting frame 201 is fixedly connected with a top of the lower mold 1, an electric telescopic rod 202 is fixedly mounted at a top of the mounting frame 201, a mounting shell 203 is fixedly mounted at a bottom of a telescopic shaft of the electric telescopic rod 202, an upper mold 204 is fixedly mounted at a bottom of the mounting shell 203, the electric telescopic rod 202 drives the upper mold 204 to lift through the mounting shell 203, a motor 205 is fixedly mounted on an inner top wall of the mounting shell 203, an output shaft of the motor 205 is fixedly connected with a rotating shaft 206 through a coupling, and the motor 205 drives the rotating shaft 206 to rotate.

Wherein, mounting bracket 201 is including four installation poles and a mounting panel, the top fixed connection of four installation poles and bed die 1, the top fixed mounting of four installation poles has the mounting panel, the top of mounting panel and the bottom fixed mounting of electric telescopic handle 202, the equal fixed mounting of surface of four installation poles has the stopper, improve the stability that installation shell 203 goes up and down, the relative one side of four stoppers respectively with the left and right sides fixed connection of last die 204, the movable hole has been seted up at the top of mounting panel, the size looks adaptation of movable hole size and electric telescopic handle 202 telescopic shaft, make things convenient for the flexible of electric telescopic handle 202 telescopic shaft.

Specifically, the electric telescopic rod 202 is started to drive the mounting shell 203 and the upper die 204 to move downwards, so that the upper die 204 and the lower die 1 are overlapped, the upper die 204 is limited by the limiting block, the motor 205 is started to drive the rotating shaft 206 to rotate, and the deformation of the contact surface of the upper die 204 and the lower die 1 is prevented, so that the service life of the contact surface is influenced.

Embodiment two: referring to fig. 1 and 2, on the basis of the first embodiment, the core pulling structure 3 includes two installation bins 301, rotating rods 302 with one ends penetrating and extending into the installation bins 301 are rotatably installed in the two installation bins 301, synchronous belts 303 are tightly attached to the outer surfaces of the two rotating rods 302 and the outer surfaces of the rotating shafts 206, the rotating shafts 206 drive the rotating rods 302 to rotate through the synchronous belts 303, transverse gears 304 are fixedly installed on the outer surfaces of the two rotating rods 302, the transverse gears 304 are driven to rotate by the rotating rods 302, core pulling columns 305 with one ends penetrating and extending into the inner portions of the core pulling columns are slidably installed on the left and right side walls of the inner cavity of the upper mold 204, threaded rods 306 with one ends penetrating and extending into the installation bins 301 are installed in the inner portions of the two core pulling columns 305 in a threaded mode, the core pulling columns 305 are driven to move, vertical gears 307 are fixedly installed on the outer surfaces of the two threaded rods 306, and the outer surfaces of the transverse gears 304 drive the threaded rods 306 to rotate through the vertical gears 307.

Wherein, the surface of two dwang 302 and the surface of axis of rotation 206 all fixed mounting have the belt pulley, and the surface of three belt pulley closely laminates with the internal surface of synchronous belt 303, makes things convenient for synchronous belt 303's installation.

Wherein, the mounting groove has all been seted up to the inner chamber left and right sides wall of last mould 204, and the surface sliding connection of interior surface and two post 305 of loosing core respectively of two mounting grooves, and the spout has all been seted up to the interior roof and the interior diapire of mounting groove, and the top and the bottom of post 305 of loosing core all fixed mounting have the slider, and the surface of two sliders respectively with the interior surface sliding connection of two spouts, the installation of post 305 and slider of loosing core is convenient.

Specifically, the rotating rod 302 is driven to rotate through the synchronous belt 303, the rotating rod 302 drives the vertical gear 307 and the threaded rod 306 to rotate through the transverse gear 304, the core-pulling column 305 moves through the sliding block, the die is perforated, the core-pulling is convenient, the plurality of core-pulling columns 305 are driven to move through the motor 205, the stability of the core-pulling columns 305 in the die cavity is good, and the use of people is convenient.

The working principle of the embodiment is as follows:

(1) When the die core pulling mechanism for improving the dimensional stability of the retainer is used, the electric telescopic rod 202 is started, the installation shell 203 and the upper die 204 are driven to move downwards, the upper die 204 and the lower die 1 are enabled to coincide, the upper die 204 is limited by the limiting block, and the motor 205 is started, so that the rotating shaft 206 is driven to rotate.

(2) The rotating rod 302 is driven to rotate through the synchronous belt 303, so that no matter how many core-pulling columns 305 are in the mold core-pulling mechanism, the rotating rod 302 can be driven through the synchronous belt 303, the vertical gear 307 and the threaded rod 306 are driven to rotate through the transverse gear 304, the core-pulling columns 305 move through the sliding blocks, holes are formed in the mold, and core pulling is convenient.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides an improve holder dimensional stability's mould mechanism of loosing core, includes bed die (1), its characterized in that: a die clamping structure (2) is arranged above the lower die (1), and a core pulling structure (3) is arranged above the lower die (1);

the die assembly structure (2) comprises a mounting frame (201), the bottom of the mounting frame (201) is fixedly connected with the top of a lower die (1), an electric telescopic rod (202) is fixedly arranged at the top of the mounting frame (201), a mounting shell (203) is fixedly arranged at the bottom of a telescopic shaft of the electric telescopic rod (202), an upper die (204) is fixedly arranged at the bottom of the mounting shell (203), a motor (205) is fixedly arranged on the inner top wall of the mounting shell (203), and a rotating shaft (206) is fixedly connected with an output shaft of the motor (205) through a coupler.

2. The mold core pulling mechanism for improving dimensional stability of a retainer according to claim 1, wherein: the utility model provides a loose core structure (3) including two installation warehouses (301), two the inside of installation warehouses (301) is all rotated and is installed dwang (302) that one end runs through and extends to installation shell (203) inside, two the surface of dwang (302) and the surface of axis of rotation (206) closely laminate and have synchronous belt (303), two the surface of dwang (302) is all fixed mounting has horizontal gear (304), the inner chamber left and right sides wall of last mould (204) is all slidable mounting has one end to run through and extends to its inside post of loosing core (305), two the inside of post of loosing core (305) is all threaded and is installed one end and run through and extend to threaded rod (306) inside installation warehouses (301), two the surface of threaded rod (306) is all fixed mounting vertical gear (307), two the surface of vertical gear (307) meshes with the surface of two horizontal gears (304) respectively.

3. The mold core pulling mechanism for improving dimensional stability of a retainer according to claim 1, wherein: the mounting frame (201) comprises four mounting rods and a mounting plate, the bottoms of the four mounting rods are fixedly connected with the top of the lower die (1), the top of the four mounting rods is fixedly provided with the mounting plate, and the top of the mounting plate is fixedly mounted with the bottom of the electric telescopic rod (202).

4. A mold core pulling mechanism for improving dimensional stability of a retainer according to claim 3, wherein: limiting blocks are fixedly arranged on the outer surfaces of the four mounting rods, and opposite sides of the four limiting blocks are fixedly connected with the left side and the right side of the upper die (204) respectively.

5. A mold core pulling mechanism for improving dimensional stability of a retainer according to claim 3, wherein: the top of mounting panel has seted up the movable hole, the size looks adaptation of movable hole and electric telescopic handle (202) telescopic shaft.

6. The mold core pulling mechanism for improving dimensional stability of a retainer according to claim 2, wherein: the outer surfaces of the two rotating rods (302) and the outer surface of the rotating shaft (206) are fixedly provided with belt pulleys, and the outer surfaces of the three belt pulleys are tightly attached to the inner surface of the synchronous belt (303).

7. The mold core pulling mechanism for improving dimensional stability of a retainer according to claim 2, wherein: mounting grooves are formed in the left side wall and the right side wall of the inner cavity of the upper die (204), and the inner surfaces of the two mounting grooves are respectively connected with the outer surfaces of the two core-pulling columns (305) in a sliding mode.

8. The mold core pulling mechanism for improving dimensional stability of a retainer according to claim 7, wherein: the inner top wall and the inner bottom wall of the mounting groove are respectively provided with a sliding groove, the top and the bottom of the core pulling column (305) are respectively fixedly provided with a sliding block, and the outer surfaces of the two sliding blocks are respectively in sliding connection with the inner surfaces of the two sliding grooves.