CN213350705U - Mould is used in screw production - Google Patents

Abstract

The utility model discloses a mould for screw production, including bed die and last mould, install two block mechanisms between bed die and the last mould, the bed die has been seted up in the bed die, install two carriage release levers, two through two slide mechanism in the bed die one side that the carriage release lever is close to all has a plurality ofly and bed die matched with screw thread strip, two through movable plate fixed mounting one side that the carriage release lever was kept away from mutually all rotates and installs the commentaries on classics handle, and fixed mounting has two and commentaries on classics handle matched with fixed plate on the bed die, last bed die, sliding tray have been seted up in the last mould, and sliding tray and last bed die communicate mutually, it has the notes material pipe to communicate between bed die and the last mould, it has the shaping board to go up interior fixed mounting of bed die. Has the advantages that: the screw forming machine can be used for manufacturing flat screws and plum blossom screws, is wide in application range, can be used for manufacturing threads while shaping screws, and is convenient and high in practicability.

Description

Mould is used in screw production

Technical Field

The utility model relates to a technical field of screw production especially relates to a mould for screw production.

Background

The screw is a component for combining and fixing two objects together, is commonly used in mechanical parts, electrical appliances or buildings, and has the effect of stable fixation, and the production and processing flow of the screw is generally that firstly, the screw is shaped in a mould, and then the shaped workpiece is engraved;

the existing screw mold is single in type, generally, one mold can only mold a single flat nail or a single plum-blossom nail, certain limitation is achieved, the existing mold is required to be taken out after molding is completed and then is subjected to engraving operation, engraving cannot be completed while molding is achieved, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a mold for producing screws.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mold for producing screws comprises a lower mold and an upper mold, wherein two clamping mechanisms are arranged between the lower mold and the upper mold, a lower die groove is arranged in the lower die, two moving rods are arranged in the lower die through two sliding mechanisms, one side, close to the two moving rods, of each moving rod is fixedly provided with a plurality of thread strips matched with the lower die groove through a moving plate, one side, far away from the two moving rods, of each moving rod is rotatably provided with a rotating handle, two fixing plates matched with the rotating handle are fixedly arranged on the lower die, an upper die cavity and a sliding groove are arranged in the upper die, the sliding groove is communicated with the upper die groove, a material injection pipe is communicated between the upper die groove and the upper die, a plastic plate is fixedly arranged in the upper die groove, the sliding groove is internally provided with a moving handle through the matching sliding mounting of the limiting groove and the limiting block, and the moving handle is fixedly provided with a shaping strip.

In foretell mould for screw production, block mechanism includes bayonet lock, magnet one of fixed mounting on last mould, set up in the bed die with bayonet lock matched with draw-in groove, fixed mounting has magnet two with magnet matched with in the draw-in groove, fixedly connected with spring rope between the bottom of draw-in groove and the bayonet lock.

In the above mold for producing screws, the sliding mechanism includes a trapezoidal sliding block fixedly mounted on the moving rod, and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the lower mold.

In the above mold for producing the screw, a plurality of groups of heating rods are fixedly mounted in the two moving plates.

In foretell mould for screw production, seted up the constant head tank in the bed die, and constant head tank and bed die intercommunication mutually, slidable mounting has the ejector pin in the constant head tank.

In the above mold for producing the screw, the sealing strips are fixedly mounted on the parts of the lower mold cavity, which are in contact with the thread strips and the ejector rods.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through setting up moulding board and moulding strip, be relative slip between moulding strip and the last die cavity, when the flat mouthful nail of needs preparation, can pull up moulding strip, can use solitary moulding board to make, when the plum blossom nail of needs preparation, can put down moulding strip to supreme die cavity in, can form the cross with moulding board mutually supporting to can carry out the preparation of plum blossom nail.

2: through setting up carriage release lever and screw thread strip, can promote the carriage release lever and make the screw thread strip get into lower die cavity and mutual block, can make lower die cavity turn into the thread groove by level and smooth groove, can annotate the material and make screw main part and screw thread integrated into one piece, after moulding completion, can stimulate the carriage release lever and pull out the screw thread strip to can make things convenient for the screw to take out.

3: through setting up block mechanism and ejector pin, block mechanism can be in the same place bed die and last mould fixed mounting when moulding, can make the two part after moulding accomplishes, promotes the ejector pin again and rises, can be with the screw jack-up after moulding to be convenient for take out the screw.

To sum up, the utility model discloses can enough produce the flat mouthful screw, can produce the plum blossom screw again, application scope is wider, still can accomplish the preparation of screw thread in the moulding while of screw, and is comparatively convenient, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of a screw production mold according to the present invention;

FIG. 2 is a top view of the connection between the lower mold groove and the moving plate in FIG. 1;

fig. 3 is a bottom view of the upper cavity and its upper part of fig. 1.

In the figure: the device comprises a lower die 1, an upper die 2, a bayonet 3, a first magnet 4, a bayonet 5, a lower die cavity 6, a top rod 7, a moving plate 8, a heating rod 9, a threaded strip 10, a moving rod 11, a rotating handle 12, a fixed plate 13, an upper die cavity 14, a plastic plate 15, a moving handle 16, a material injection pipe 17, a second magnet 18, a spring rope 19 and a plastic strip 20.

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, a mold for screw production comprises a lower mold 1 and an upper mold 2, two clamping mechanisms are installed between the lower mold 1 and the upper mold 2, a lower mold cavity 6 is formed in the lower mold 1, two moving rods 11 are installed in the lower mold 1 through two sliding mechanisms, a plurality of thread strips 10 matched with the lower mold cavity 6 are fixedly installed on one sides, close to the two moving rods 11, of the two moving rods through a moving plate 8, rotating handles 12 are rotatably installed on one sides, far away from the two moving rods 11, of the two moving rods, and two fixing plates 13 matched with the rotating handles 12 are fixedly installed on the lower mold 1;

the following points are notable:

1. the clamping mechanism comprises a clamping pin 3 and a magnet I4 which are fixedly arranged on the upper die 2, a clamping groove 5 matched with the clamping pin 3 is formed in the lower die 1, a magnet II 18 matched with the magnet I4 is fixedly arranged in the clamping groove 5, and a spring rope 19 is fixedly connected between the bottom of the clamping groove 5 and the clamping pin 3;

the clamping mechanism can fixedly install the lower die 1 and the upper die 2 together during shaping, and the lower die and the upper die can be separated after the shaping is completed, so that the screw can be taken out.

2. The sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the moving rod 11, and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the lower die 1 and used for enabling the moving rod 11 to only slide in the lower die 1 without deviation.

3. The moving rod 11 is pushed to enable the thread strip 10 to enter the lower die groove 6 and be clamped with the thread strip, so that the lower die groove 6 is converted into a thread groove from a smooth groove, and the material is injected to enable the screw main body and the threads to be integrally formed.

4. The fixing plate 13 is provided with a clamping groove, when the thread strip 10 is clamped in the lower die groove 6, the rotating handle 12 can be rotated to be clamped in the clamping groove, so that the rotating handle 12 can be fixed, and the rotating handle 12 can be prevented from sliding when the screw is molded.

An upper die cavity 14 and a sliding groove are formed in the upper die 2, the sliding groove is communicated with the upper die cavity 14, a material injection pipe 17 is communicated between the upper die cavity 14 and the upper die 2, a plastic plate 15 is fixedly installed in the upper die cavity 14, a moving handle 16 is slidably installed in the sliding groove through the matching of a limiting groove and a limiting block, and a plastic strip 20 is fixedly installed on the moving handle 16;

the following points are notable:

1. the material injection pipe 17 is used for injecting materials into the upper die 2.

2. A separate shaping plate 15 may be used to make the flat head screw.

3. Moulding strip 20 and last die cavity 14 between be relative slip, when needs preparation plum blossom nail, can put down moulding strip 20 to supreme die cavity 14 in, can mutually support with moulding board 15 and form the cross to can carry out the preparation of plum blossom nail.

4. A plurality of groups of heating rods 9 are fixedly arranged in the two moving plates 8, so that the mold material in the lower mold groove 6 can be heated, the flowability of the mold material can be increased, and the mold material can be filled more quickly.

5. Set up the constant head tank in the bed die 1, and the constant head tank is linked together with bed die slot 6, and slidable mounting has ejector pin 7 in the constant head tank, promotes ejector pin 7 and rises, can be with the screw jack-up after moulding to be convenient for take out the screw.

6. The equal fixed mounting of the part that contacts with screw thread strip 10, ejector pin 7 has the sealing strip on the lower die cavity 6, can prevent that the mould material from entering into in constant head tank and the trapezoidal spout and influencing moulding effect.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses in, operating personnel can be earlier with 3 blocks of bayonet lock to draw-in groove 5 in to make magnet 4 and two 18 looks absorptions of magnet, can fix between bed die 1 and the last mould 2, the screw kind of preparation as required again, the selection raises moulding strip 20 or puts down, and promote to change 12 make the screw strip 10 blocks on the movable plate 8 to lower die cavity 6 in, can follow and annotate material pipe 17 and annotate the material in to last die cavity 14, thereby can start moulding of screw.

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 (6)

1. The utility model provides a mould for screw production, includes bed die (1) and last mould (2), its characterized in that, install two block mechanism between bed die (1) and last mould (2), lower die cavity (6) have been seted up in bed die (1), install two carriage release lever (11) through two slide mechanism in bed die (1), two one side that carriage release lever (11) are close to mutually all through movable plate (8) fixed mounting have a plurality of with lower die cavity (6) matched with screw thread strip (10), two one side that carriage release lever (11) keep away from mutually all rotates and installs rotating handle (12), and fixed mounting has two and rotating handle (12) matched with fixed plate (13) on bed die (1), upward set up die cavity (14), sliding tray in mould (2), and the sliding tray is linked together with last die cavity (14), go up the mould groove (14) and go up and communicate between mould (2) and annotate material pipe (17), it has plastic plate (15) to go up fixed mounting in mould groove (14), sliding tray is interior to have the removal through the cooperation slidable mounting of spacing groove and stopper to (16), and removes fixed mounting has moulding strip (20) on (16).

2. The mold for producing the screws according to claim 1, wherein the clamping mechanism comprises a bayonet (3) and a first magnet (4) which are fixedly installed on the upper mold (2), a clamping groove (5) matched with the bayonet (3) is formed in the lower mold (1), a second magnet (18) matched with the first magnet (4) is fixedly installed in the clamping groove (5), and a spring rope (19) is fixedly connected between the bottom of the clamping groove (5) and the bayonet (3).

3. The mold for producing the screw according to claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the movable rod (11), and a trapezoidal sliding groove matched with the trapezoidal sliding block is formed in the lower mold (1).

4. The screw production mold according to claim 1, wherein a plurality of groups of heating rods (9) are fixedly mounted in both of the moving plates (8).

5. The screw production mold according to claim 2, wherein the lower mold (1) is provided with a positioning groove therein, the positioning groove is communicated with the lower mold groove (6), and the positioning groove is internally provided with a mandril (7) in a sliding manner.

6. The mold for producing the screw according to claim 5, wherein the sealing strips are fixedly arranged on the parts of the lower mold cavity (6) contacted with the thread strips (10) and the ejector rods (7).

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