CN213728942U

CN213728942U - Die bolt

Info

Publication number: CN213728942U
Application number: CN202021956309.5U
Authority: CN
Inventors: 陈甸甸; 姚飞跃; 姚晨; 李清华
Original assignee: Shenzhen Wojia Molding Technology Co ltd
Current assignee: Shenzhen Wojia Molding Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-07-20
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a mold bolt, including mould body, fixing base and bolt body, link to each other through the bolt body between mould body and the fixing base, the bolt body includes shank of bolt, bolt head and limiting plate, the bolt head is located the shank of bolt top, the limiting plate is located shank of bolt outer wall top, first elongated slot, square groove and second elongated slot have been seted up to limiting plate inner chamber one side, first elongated slot is located square groove one side, the second elongated slot is located square groove below, the inside sliding connection of first elongated slot has the promotion stock, square inslot portion is provided with square piece, the inclined groove is seted up to square piece inner wall one side, the utility model relates to a mold fitting technical field. This mould bolt can prevent effectively that the mould from taking place not hard up problem when fixed mounting, promotes die holding's fastness for the difficult not hard up problem of taking place of mould in the course of working promotes the security performance of mould processing.

Description

Die bolt

Technical Field

The utility model relates to a mould accessory technical field specifically is a mould bolt.

Background

In some large-scale mechanical production, a mold is often used for production, the mold has a specific contour or inner cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

Due to the characteristics of the mold, when certain products are processed and produced, the upper mold and the lower mold are used for closing the mold for production. The connection part of the upper die plate and the lower die plate is usually connected by bolts, but the existing die bolts are easy to loosen during installation and connection, so that the installation is not firm enough, and the quality and the efficiency of die processing are influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mould bolt has solved current mould bolt and has taken place not hard up problem easily when carrying out erection joint, and the installation is firm inadequately, influences the quality of mould processing and the problem of efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a die bolt comprises a die body, a fixing seat and a bolt body, wherein the die body is connected with the fixing seat through the bolt body, the bolt body comprises a bolt rod, a bolt head and a limiting plate, the bolt head is positioned at the top end of the bolt rod, the limiting plate is positioned above the outer wall of the bolt rod, one side of an inner cavity of the limiting plate is provided with a first long groove, a square groove and a second long groove, the first long groove is positioned on one side of the square groove, the second long groove is positioned below the square groove, a long pushing rod is connected inside the first long groove in a sliding mode, a square block is arranged inside the square groove, one side of the inner wall of the square block is provided with an inclined groove, the long pushing rod is movably connected with the inclined groove through a positioning column, the bottom end of the square block is fixedly connected with a limiting rod, the limiting rod is positioned inside the second long groove, and the bottom end of the limiting rod penetrates through the second long groove and extends to the lower portion of the outer wall of the limiting plate, and a return spring is fixedly sleeved on the outer wall surface of the limiting rod.

Preferably, one side of the outer wall of the die body is provided with a limiting hole matched with the limiting rod.

Preferably, the one end fixedly connected with slurcam that square piece was kept away from to the promotion stock, and the slurcam is located limiting plate outer wall one side.

Preferably, the first long groove, the square groove and the second long groove are integrally formed.

Preferably, a through hole matched with the long pushing rod is formed in one side of the first long groove.

Preferably, the bottom end of the second long groove is provided with a through hole matched with the limiting rod.

Preferably, the limiting plate is connected with the bolt rod through welding.

Advantageous effects

The utility model provides a mould bolt. The method has the following beneficial effects:

(1) this mould bolt, including the shank of bolt through utilizing the bolt body, bolt head and limiting plate, and be provided with first elongated slot in the limiting plate inside, square groove and second elongated slot, make sliding connection have the promotion stock in first elongated slot inside, square inslot portion is provided with square piece, the inclined groove is seted up to square piece inner wall one side, make to promote through reference column swing joint between stock and the inclined groove, and at square piece bottom fixedly connected with gag lever post, and the gag lever post is located inside the second elongated slot, the fixed cover of gag lever post outer wall surface has reset spring, when fixing the mould through the bolt, can prevent effectively that the mould from taking place not hard up problem when fixed mounting, promote the fastness of mould installation, make the difficult problem that takes place not hard up of mould in the course of working, promote the security performance of mould processing.

Drawings

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

FIG. 2 is a schematic view of the bolt body structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a mold body; 2. a fixed seat; 3. a bolt body; 301. a bolt shank; 302. a bolt head; 303. a limiting plate; 304. a first elongated slot; 305. a square groove; 306. a second elongated slot; 307. pushing the long rod; 308. a square block; 309. an inclined groove; 310. a positioning column; 311. a limiting rod; 312. a return spring; 313. a push plate; 4. and a limiting hole.

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, the present invention provides a technical solution: a die bolt comprises a die body 1, a fixed seat 2 and a bolt body 3, wherein the die body 1 and the fixed seat 2 are connected through the bolt body 3, the bolt body 3 comprises a bolt rod 301, a bolt head 302 and a limit plate 303, the bolt head 302 is positioned at the top end of the bolt rod 301, the limit plate 303 is positioned above the outer wall of the bolt rod 301, one side of an inner cavity of the limit plate 303 is provided with a first long groove 304, a square groove 305 and a second long groove 306, the first long groove 304 is positioned at one side of the square groove 305, the second long groove 306 is positioned below the square groove 305, a long pushing rod 307 is slidably connected inside the first long groove 304, a square block 308 is arranged inside the square groove 305, one side of the inner wall of the square block 308 is provided with an inclined groove 309, the long pushing rod 307 is movably connected with the inclined groove 309 through a positioning column 310, the bottom end of the square block 308 is fixedly connected with a limit rod 311, the limit rod 311 is positioned inside the second long groove 306, the bottom end of the limit rod 311 penetrates through the second long groove 306 and extends to the lower part of the outer wall of the limit plate 303, the outer wall surface of the limiting rod 311 is fixedly sleeved with a return spring 312.

One side of the outer wall of the die body 1 is provided with a limiting hole 4 matched with the limiting rod 311.

One end of the long pushing rod 307 far away from the square block 308 is fixedly connected with a pushing plate 313, and the pushing plate 313 is positioned on one side of the outer wall of the limit plate 303.

First slot 304, square slot 305, and second slot 306 are integrally formed therebetween.

A through hole matched with the long pushing rod 307 is formed at one side of the first long slot 304.

The bottom end of the second long slot 306 is provided with a through hole matched with the limiting rod 311.

The limit plate 303 and the bolt rod 301 are connected by welding.

In operation, when a die needs to be installed, by inserting the bolt shank 301 of the bolt body 3 into the installation threaded hole of the die, when the retainer plate 303 contacts the mold body 1, the return spring 312 is compressed, the stopper rod 311 automatically retracts into the second long groove 306, when the limiting plate 303 drives the limiting rod 311 to rotate to the limiting hole 4 formed on one side of the outer wall of the mold body 1, at this time, the return spring 312 is reset, the limit rod 311 is automatically inserted into the limit hole 4, thereby effectively preventing the bolt body 3 from loosening during installation, and when the bolt body needs to be disassembled, by pressing the long pushing rod 307 inside the first long slot 304, the positioning column 310 is pushed to move inside the inclined slot 309 by using the long pushing rod 307, so that the square block 308 can be driven to move, and then the square block 308 can drive the limiting rod 311 to contract into the second long groove 306, and the bolt body 3 can be rotated in the reverse direction through the screw thread, so that the disassembly work of the die is completed.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 mould bolt, includes mould body (1), fixing base (2) and bolt body (3), link to each other its characterized in that through bolt body (3) between mould body (1) and fixing base (2): the bolt body (3) comprises a bolt rod (301), a bolt head (302) and a limiting plate (303), the bolt head (302) is located at the top end of the bolt rod (301), the limiting plate (303) is located above the outer wall of the bolt rod (301), a first long groove (304), a square groove (305) and a second long groove (306) are formed in one side of an inner cavity of the limiting plate (303), the first long groove (304) is located on one side of the square groove (305), the second long groove (306) is located below the square groove (305), a long pushing rod (307) is connected inside the first long groove (304) in a sliding mode, a square block (308) is arranged inside the square groove (305), an inclined groove (309) is formed in one side of the inner wall of the square block (308), the long pushing rod (307) is movably connected with the inclined groove (309) through a positioning column (310), and a limiting rod (311) is fixedly connected to the bottom end of the square block (308), and the limiting rod (311) is positioned in the second long groove (306), the bottom end of the limiting rod (311) penetrates through the second long groove (306) and extends to the lower part of the outer wall of the limiting plate (303), and the surface of the outer wall of the limiting rod (311) is fixedly sleeved with a return spring (312).

2. A die bolt according to claim 1, wherein: and one side of the outer wall of the die body (1) is provided with a limiting hole (4) matched with the limiting rod (311).

3. A die bolt according to claim 1, wherein: the end, far away from the square block (308), of the long pushing rod (307) is fixedly connected with a pushing plate (313), and the pushing plate (313) is located on one side of the outer wall of the limiting plate (303).

4. A die bolt according to claim 1, wherein: the first long groove (304), the square groove (305) and the second long groove (306) are integrally formed.

5. A die bolt according to claim 1, wherein: one side of the first long groove (304) is provided with a through hole matched with the long pushing rod (307).

6. A die bolt according to claim 1, wherein: the bottom end of the second long groove (306) is provided with a through hole matched with the limiting rod (311).

7. A die bolt according to claim 1, wherein: the limiting plate (303) is connected with the bolt rod (301) through welding.