CN219561319U - Precision nut production die - Google Patents

Abstract

The utility model discloses a precision nut production die, which relates to the field of dies and comprises a first die body, a second die body and a cover plate, wherein a locking assembly is arranged on the first die body, the locking assembly is provided with a first position for unlocking the second die body and a second locked position, and the cover plate is driven to unlock the second die body in the upward moving process, so that demolding is realized. According to the precision nut production die provided by the utility model, before liquid injection, a user manually connects the first die body with the second die body through the locking assembly, then covers the cover plate on the first die body and the second die body, then liquid injection is carried out until the cover plate is manually moved upwards by the user after cooling and molding of the die liquid, so that the unlocking assembly is driven to be in the first unlocking position in the upward moving process of the cover plate, then the first die body and the second die body are separated, and further the demolding is facilitated.

Description

Precision nut production die

Technical Field

The utility model relates to a die technology, in particular to a precision nut production die.

Background

In order to enable mass production during the production of screws, a mold is generally used for the production.

In publication No.: CN104588500a, publication (date): 2015-05-06, the name is a novel nut production mould, which comprises a base body, a forming sleeve, an elastic backing plate and a hard backing plate, wherein a cylindrical connecting hole is formed in the center of the base body, at least 4 connecting sliding grooves are uniformly distributed on the wall of the hole, a sliding block is arranged on the outer surface of the forming sleeve and connected with the connecting sliding groove of the base body through the sliding block, the forming sleeve is further coaxially distributed with the base body, at least one positioning pin is additionally arranged on the connecting sliding groove and is in positioning connection with the forming sleeve through the positioning pin, at least one layer of elastic backing plate and one layer of hard backing plate are arranged at the contact surface of the sliding block of the forming sleeve and the connecting sliding groove of the base body, a nut mould hole is additionally formed in the center line of the forming sleeve, and at least two air grooves are uniformly distributed on the outer surface of the base body. The utility model effectively realizes that one die can meet the processing requirements of various types of nuts, greatly reduces the investment of the cost of the nut production die, simultaneously improves the flexibility of die replacement and repair, effectively prolongs the service life of the die, and achieves the purposes of improving the utilization rate of the die and reducing the die and the production cost.

In the prior art including above-mentioned patent, and the mould is generally all fixed with the bolt, in the in-process of drawing of patterns, generally all is that the user manually unscrews the bolt in proper order, just can dismantle the mould, and the in-process operation of drawing of patterns is comparatively loaded down with trivial details.

Disclosure of Invention

The utility model aims to provide a precision nut production die which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a precision nut production mould, includes first die body, second die body and apron, be provided with a locking subassembly on the first die body, locking subassembly has the first position to second die body unblock and the second position of locking, apron rebound in-process drive locking subassembly is unblocked the second die body, and then realizes the drawing of patterns.

Preferably, an elastic element is arranged between the first die body and the second die body, and the elastic element enables the first die body and the second die body to be separated after the locking assembly is unlocked.

Preferably, the elastic piece comprises a plurality of bolts fixedly connected to the first die body, a first spring is sleeved outside each bolt, the other end of the first spring is fixedly connected to the side wall of the first die body, a plurality of connecting holes matched with the bolts are formed in the second die body, and the connecting holes are arranged in one-to-one correspondence with the bolts.

Preferably, the locking assembly comprises a limiting rod with one end rotatably connected to the first die body, the other end of the limiting rod is clamped on the second die body, and the limiting rod is slidably connected with a wedge-shaped abutting block.

Preferably, two opposite side walls of the cover plate are respectively provided with a supporting rod, and the supporting rods are provided with wedge-shaped parts matched with the wedge-shaped supporting blocks.

In the technical scheme, before liquid injection, a user manually connects the first die body with the second die body through the locking assembly, then covers the cover plate on the first die body and the second die body, then liquid injection is carried out until the cover plate is manually moved upwards by the user at the moment after cooling and molding of the die liquid, so that the unlocking assembly is driven to be in the first unlocking position in the process of upward movement of the cover plate, then the first die body and the second die body are separated, and further the demolding is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of a mold according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an installation structure of a stop lever according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a cover plate according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a nut cavity according to an embodiment of the present utility model.

Reference numerals illustrate:

1.1, a first die body; 1.10, a bolt; 1.11, a first spring; 1.2, a second die body; 1.20, a limiting pin; 1.21, connecting holes; 1.3, cover plate; 1.30, an injection port; 1.31, a butt joint rod; 1.4, a limiting rod; 1.40, a clamping groove; 1.41, a chute; 1.42, a second spring; 1.43 wedge-shaped abutment blocks.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a precision nut production mold, which comprises a first mold body 1.1, a second mold body 1.2 and a cover plate 1.3, wherein a locking assembly is arranged on the first mold body 1.1, the locking assembly is provided with a first position for unlocking the second mold body 1.2 and a second locked position, and the cover plate 1.3 drives the locking assembly to unlock the second mold body 1.2 in the upward moving process, so that demolding is realized.

Specifically, as shown in fig. 2 and 4, a plurality of mold cavities are linearly formed in the first mold body 1.1 and the second mold body 1.2, the mold cavities are bolts or nuts, in a preferred embodiment of this embodiment, a limit post is disposed on two opposite sides of the upper ends of the first mold body 1.1 and the second mold body 1.2, at least 4 through holes or blind holes adapted to the limit post are formed in the cover plate 1.3, the through holes or blind holes are used for connecting the first mold body 1.1, the second mold body 1.2 and the cover plate 1.3 (not shown in the drawing), a plurality of injection ports 1.30 are linearly equidistantly formed in the cover plate 1.3, and the injection ports 1.30 are disposed in one-to-one correspondence with the mold cavities.

The locking component is arranged on the first die body 1.1, the locking component is provided with a first position for unlocking the second die body 1.2 and a second position for locking, the locking component is connected with the first die body 1.1 and the second die body 1.2 in a plugging, clamping or other detachable mode, the locking component is unlocked in the upward moving process of the cover plate 1.3, the locking component is a component for converting the movement in the vertical direction into the horizontal direction, and in the prior art, a connecting rod mechanism, a wedge-shaped abutting mechanism or other mechanisms capable of realizing the movement are generally suitable for the implementation.

According to the precision nut production mold provided by the utility model, before liquid injection, a user manually connects the first mold body 1.1 with the second mold body 1.2 through the locking assembly, then covers the cover plate 1.3 on the first mold body 1.1 and the second mold body 1.2, then liquid injection is carried out until the mold liquid is cooled and molded, and then the user manually moves the cover plate 1.3 upwards at the moment, so that the unlocking assembly is driven to be in the first unlocking position in the upward moving process of the cover plate 1.3, then the first mold body 1.1 and the second mold body 1.2 are separated, and further the demolding is facilitated.

Referring to fig. 2-3, in another embodiment of the present utility model, an elastic member is disposed between the first mold body 1.1 and the second mold body 1.2, and the elastic member disengages the first mold body 1.1 and the second mold body 1.2 after the locking assembly is unlocked.

The elastic piece comprises a plurality of bolts 1.10 fixedly connected to the first die body 1.1, a first spring 1.11 is sleeved outside each bolt 1.10, the other end of the first spring 1.11 is fixedly connected to the side wall of the first die body 1.1, a plurality of connecting holes 1.21 matched with the bolts 1.10 are formed in the second die body 1.2, and the connecting holes 1.21 are in one-to-one correspondence with the bolts 1.10.

Specifically, two opposite sides on the first die body 1.1 are fixedly connected with two bolts 1.10 in a mirror symmetry mode of a middle line, a first spring 1.11 is sleeved outside each bolt 1.10, the other end of the first spring 1.11 is fixedly connected to the side wall of the first die body 1.1, a plurality of connecting holes 1.21 matched with the bolts 1.10 are formed in the opposite sides on the second die body 1.2, and the cross section of each connecting hole 1.21 is T-shaped, so that the spring can be completely positioned in the connecting hole 1.21 when compressed to the maximum deformation amount.

Through being provided with an elastic component between first die body 1.1 and second die body 1.2, when the in-process of apron 1.3 upward removal to the locking subassembly unblock for first spring 1.11 has a trend of recovering former length, produces the elasticity and separates first die body 1.1, second die body 1.2, and then conveniently the drawing of patterns.

Referring to fig. 1-3, in another embodiment of the present utility model, the locking assembly includes a stop lever 1.4 with one end rotatably connected to the first mold body 1.1, the other end of the stop lever 1.4 is clamped to the second mold body 1.2, and a wedge-shaped abutment block 1.43 is slidably connected to the stop lever 1.4.

Two opposite side walls of the cover plate 1.3 are respectively provided with a supporting rod 1.31, and the supporting rods 1.31 are respectively provided with a wedge-shaped part matched with the wedge-shaped supporting blocks 1.43.

Specifically, one end of each limiting rod 1.4 is rotationally connected to the first die body 1.1, the other end of each limiting rod 1.4 is provided with a hook, two opposite side walls of the second die body 1.2 can be fixedly connected with limiting pins 1.20 matched with the hooks, the limiting pins 1.20 are arranged in one-to-one correspondence with the limiting rods 1.4, clamping grooves 1.40 matched with the abutting rods 1.31 are formed in the end faces of the limiting rods 1.4, one side of each clamping groove 1.40 is provided with a sliding groove 1.41, a second spring 1.42 is fixedly connected to the inner part of each sliding groove 1.41, the other end of each second spring 1.42 is fixedly connected to the side wall of each wedge-shaped abutting block 1.43, and the wedge-shaped abutting blocks 1.43 are slidably connected in the sliding grooves 1.41.

In the use, each bolt 1.10 on the first die body 1.1 and the song connecting hole 1.21 on the second die body 1.2 are in one-to-one correspondence by the user, make bolt 1.10 insert in connecting hole 1.21, make first die body 1.1 and second die body 1.2 laminating, then rotate gag lever post 1.4 respectively, make the couple on the gag lever post 1.4 overlap on spacer pin 1.20, at this moment the user manually place apron 1.3 on first die body 1.1 and second die body 1.2, make butt pole 1.31 and wedge butt piece 1.43 joint each other, use the manual upward movement at this moment after the die liquid cooling supports apron 1.3, make butt pole 1.31 on apron 1.3 and gag lever post 1.4 go up wedge butt piece 1.43, drive gag lever post 1.4 and rotate, and then make the couple on gag lever post 1.4 and the die body on the gag lever post 1.4 break away from, make first spring 1.11 have a first trend of restoring, and then the first spring force is produced 1.2, and the second trend is removed, and the convenience is 1.2.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (5)

1. The utility model provides a precision nut production mould, includes first die body (1.1), second die body (1.2) and apron (1.3), its characterized in that, be provided with a locking subassembly on first die body (1.1), locking subassembly has the first position and the second position of locking to second die body (1.2) unblock, apron (1.3) upward moving in-process drive locking subassembly is unblocked second die body (1.2), and then realizes the drawing of patterns.

2. A precision nut production mould according to claim 1, characterized in that an elastic element is arranged between the first mould body (1.1) and the second mould body (1.2), which elastic element, after unlocking the locking assembly, causes the first mould body (1.1) and the second mould body (1.2) to disengage.

3. The precision nut production die as claimed in claim 2, wherein the elastic piece comprises a plurality of bolts (1.10) fixedly connected to the first die body (1.1), a first spring (1.11) is sleeved outside each bolt (1.10), the other end of the first spring (1.11) is fixedly connected to the side wall of the first die body (1.1), a plurality of connecting holes (1.21) matched with the bolts (1.10) are formed in the second die body (1.2), and the connecting holes (1.21) are arranged in one-to-one correspondence with the bolts (1.10).

4. A precision nut production mould as claimed in claim 1, characterized in that the locking assembly comprises a limit rod (1.4) with one end rotatably connected to the first mould body (1.1), the other end of the limit rod (1.4) is clamped on the second mould body (1.2), and a wedge-shaped abutting block (1.43) is slidably connected to the limit rod (1.4).

5. The precision nut production mold according to claim 4, wherein two opposite side walls of the cover plate (1.3) are respectively provided with a supporting rod (1.31), and the supporting rods (1.31) are provided with a wedge-shaped part matched with a wedge-shaped supporting block (1.43).