CN218983117U - Zipper front code production die and casting piece thereof - Google Patents

Abstract

The utility model discloses a zipper preamble production die and a casting piece thereof, wherein the zipper preamble production die comprises: the lower die is provided with a pouring gate and a forming part on the top surface, the forming part comprises a main runner, a forming rib and a slag discharging groove, one end of the main runner is communicated with the pouring gate, the forming rib and the slag discharging groove are arranged at intervals along the direction away from the main runner, the forming groove is arranged on the surface of the forming rib, and sub runners are arranged between the forming groove and the main runner as well as between the forming groove and the slag discharging groove; the die comprises an upper die, wherein the bottom surface of the upper die is just provided with an avoidance groove relative to the position of the forming rib, the shape of the forming rib is mutually matched with that of the avoidance groove, and a forming cavity is arranged in the avoidance groove and is just opposite to the position of the forming groove.

Description

Zipper front code production die and casting piece thereof

Technical Field

The utility model relates to metal casting, in particular to a zipper preamble production die and a casting piece thereof.

Background

The zipper comprises the structure such as chain tooth, pull head, preceding sign indicating number and back sign indicating number, is mechanical stamping processing to the production mode of zip fastener preceding sign indicating number now, by mechanical equipment automated production, has improved whole production efficiency, but because the volume of zip fastener preceding sign indicating number is less, current mechanical stamping processing is lower to the positional stability of zip fastener preceding sign indicating number in the punching press in-process, causes the zip fastener preceding sign indicating number that the punching press formed to be difficult to ensure to have unified dimensional accuracy to splash around the piece that forms in the punching press production, be difficult to recycle, lead to production efficiency to be difficult to further improve.

Disclosure of Invention

The present utility model aims to provide a zipper preamble production mold and a casting thereof, which solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or creation condition.

The utility model solves the technical problems as follows:

zipper preamble production mould includes: the lower die is provided with a pouring gate and a forming part on the top surface, the forming part comprises a main runner, a forming rib and a slag discharging groove, one end of the main runner is communicated with the pouring gate, the forming rib and the slag discharging groove are arranged at intervals along the direction away from the main runner, the forming groove is arranged on the surface of the forming rib, and sub runners are arranged between the forming groove and the main runner as well as between the forming groove and the slag discharging groove; the upper die is characterized in that an avoidance groove is formed in the bottom surface of the upper die right opposite to the position of the forming rib, the shape of the forming rib is mutually matched with that of the avoidance groove, and a forming cavity is formed in the position, opposite to the forming groove, of the avoidance groove.

The technical scheme has at least the following beneficial effects: when the formed zipper front code is produced, the upper die and the lower die are mutually close along the up-down direction, a die cavity is formed between the forming groove of the forming rib and the forming cavity which are opposite to each other in a surrounding manner, then solution is injected into the lower die from the pouring gate, the solution flows into the main flow channel, and flows into the die cavity formed by the forming groove and the forming cavity through the sub flow channel at one side of the forming rib to form the zipper front code, finally flows into the slag discharging groove from the sub flow channel at the other side of the forming rib to discharge slag, then cooling is carried out, so that the internal solution is cooled and formed, then the upper die and the lower die are separated from each other, and the separated semi-finished product is subjected to working procedures such as flash, polishing and the like, and the separated waste can be directly recovered, melted and reproduced, so that the utilization rate of raw materials is improved.

As a further improvement of the technical scheme, forming ribs are arranged on two sides of the main runner, and slag discharge grooves are arranged on one sides, away from the main runner, of the two forming ribs. During molding, the solution flows from the main runner to the sub runners on the two sides respectively, enters into a mold cavity formed by the molding groove and the molding cavity, forms zipper preambles on the two molding ribs respectively, and removes chips to the slag discharging grooves on the two sides respectively, so that the zipper preambles can be formed to the two sides by shunting the solution in the main runner, and the production efficiency is improved.

As a further improvement of the above technical solution, the number of the molding parts is plural, and the main flow passages in the plural molding parts are all communicated with the gate. The solution injected from the pouring gate is split into a plurality of main runners in the forming parts, and a zipper front code is formed in each forming part, so that the production efficiency is further improved.

As a further improvement of the technical scheme, two forming groups are arranged on the lower die at intervals along the front-rear direction, the pouring gate is positioned between the two forming groups, two forming parts are arranged in each forming group along the left-right direction, and in the same forming group, the main flow channels in the two forming parts are connected with the pouring gate after being converged. The solution injected from the pouring gate flows in the front and back directions respectively, and then is respectively split into two main runners in the front forming group and two main runners in the rear forming group, zipper preambles are formed in the four forming parts respectively, and the number of single-time formable zipper preambles is further increased by reasonably and uniformly splitting the solution injected from the pouring gate, so that the production efficiency is improved.

As a further improvement of the above technical solution, the forming grooves are arranged in a plurality of intervals on the forming rib. After the solution injected from the pouring gate flows into the main runner, the solution flows into a plurality of forming grooves from a plurality of sub runners respectively, a plurality of zipper preambles are formed on the forming ribs at intervals, and the number of single-time formable zipper preambles is further increased, so that the production efficiency is improved.

As a further improvement of the technical scheme, a plurality of slag discharging grooves are formed in the length extending direction of the forming ribs at intervals, and each slag discharging groove is connected with a plurality of forming grooves. In the same shaping portion, a plurality of shaping grooves of arranging along shaping muscle length direction divide into the multiunit, and every group all corresponds a row of slag groove for a plurality of shaping grooves can be respectively to a plurality of row slag groove in arranging the slag groove, and the slag ladle length of shaping after so steerable cooling is convenient with the separation of zip fastener preamble.

As a further improvement of the technical scheme, the lower die is provided with a first column hole, and the first column hole is connected to one side, far away from the forming rib, of the slag discharging groove. The solution flows into the first column hole from the slag discharging groove, a first jacking column which is connected with the slag ladle can be formed after cooling, and when the semi-finished product is taken out from the lower die, the first jacking column is jacked upwards, so that the slag ladle position of the semi-finished product can be conveniently jacked.

As a further improvement of the technical scheme, a second column hole is arranged in the main runner. When the solution flows in the main runner, the second column holes can be filled, the second ejector columns can be formed after cooling, and when the semi-finished product is taken out from the lower die, the main runner is a main connecting structure of all parts connected in the forming part, and upward jacking force is applied to the second ejector columns, so that the main runner can be stably jacked, and the semi-finished product can be more easily jacked.

As a further improvement of the technical scheme, third column holes are formed in the lower die and located on two sides of the pouring gate. The solution injected from the pouring gate fills the third column hole, a third jacking column is formed after cooling, and when the semi-finished product is taken out from the lower die, the third column hole is jacked upwards, so that jacking force can be provided for the middle part of the semi-finished product, and the semi-finished product is jacked more stably.

The zipper front code casting piece is obtained by the zipper front code production die.

The technical scheme has at least the following beneficial effects: by using the zipper preamble production die, cast pieces with a plurality of zipper preambles can be obtained, and the zipper preambles can be uniformly collected and processed to be separated, so that the production efficiency of the zipper preambles is greatly improved, and the quality and consistency of products are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

FIG. 1 is a top view of a zipper preamble production mold of the present utility model;

FIG. 2 is a top view of the zipper front code casting of the present utility model;

FIG. 3 is a schematic view of the structure of the zipper front body of the present utility model.

In the accompanying drawings: 100-lower die, 110-gate, 120-molding rib, 121-molding groove, 130-sub runner, 140-main runner, 150-slag discharging groove, 160-first column hole, 170-second column hole, 180-third column hole and 200-zipper front code body.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, the zipper front code production mold comprises a lower mold 100 and an upper mold, in practical application, the lower mold 100 and the upper mold are mounted on a molding press, a relatively close or far-away position can be generated between the lower mold 100 and the upper mold, wherein a gate 110 and a molding part are arranged on the top surface of the lower mold 100, the molding part comprises a main runner 140, a molding rib 120 and a slag discharging groove 150, one end of the main runner 140 is communicated with the gate 110, the molding rib 120 and the slag discharging groove 150 are arranged at intervals along the direction far away from the main runner 140, a molding groove 121 is arranged on the surface of the molding rib 120, the molding groove 121 is arranged on the surface of the molding rib 120 along the width direction of the molding rib 120, sub runners 130 are arranged on two sides of the top surface of the lower mold 100, one sub runner 130 is communicated with the main runner 140, the other sub runner 130 is communicated with the other end of the molding groove 121 and the slag discharging groove 150, the bottom surface of the upper mold is just opposite to the position of the molding rib 120, and the shape of the molding rib 120 and the shape of the adaptive groove are just opposite to the position of the molding rib 120, namely the cavity is just opposite to the cavity shape.

As can be seen from the above, when the molded slide fastener front is produced, the upper mold and the lower mold 100 are closed together in the vertical direction, a cavity is defined between the molding groove 121 of the molding rib 120 and the molding cavity facing each other, then a solution is injected into the lower mold 100 from the gate 110, the solution flows into the main flow channel 140, flows into the cavity formed by the molding groove 121 and the molding cavity through the sub flow channel 130 on one side of the molding rib 120 to form the slide fastener front, finally flows into the slag discharge groove 150 from the sub flow channel 130 on the other side of the molding rib 120 to discharge slag, then the internal solution is cooled and molded, the upper mold and the lower mold 100 are separated from each other, the cooled semi-finished product is subjected to processes such as flash, polishing and the like, and the separated waste materials can be directly recovered, melted and regenerated, so that the raw material utilization rate is improved, the slide fastener front is directly molded by using the die casting method, and the drawing process is not required, so that the drawing of the workpiece is reduced, the finally obtained finished product has better toughness and higher quality stability.

In the above embodiment, the zipper pre-code is formed only on one side of the main runner 140, and in order to increase the number of forming steps, the zipper pre-code may be formed on both sides of the main runner 140, in this embodiment, forming ribs 120 are disposed on both sides of the main runner 140, and the slag discharging grooves 150 are disposed on both sides of the forming ribs 120 away from the main runner 140. During molding, the solution flows from the main flow channel 140 to the sub flow channels 130 at two sides respectively, and enters the mold cavity formed by the molding groove 121 and the molding cavity, the zipper pre-forms are molded on the two molding ribs 120 respectively, and the chip is removed from the slag discharging grooves 150 at two sides respectively, so that the zipper pre-forms can be molded by shunting the solution in the main flow channel 140 to two sides, and the production efficiency is improved.

In order to further increase the number of zipper precursors that can be formed at a time, in this embodiment, the number of forming portions is plural, the main flow channels 140 in the forming portions are all connected to the gate 110, and the forming portions may be arranged at intervals on the same extension line, or arranged side by side at intervals, or arranged radially around the gate 110. The solution injected from the gate 110 is branched to the main flow channel 140 in the plurality of molding parts, and the zipper preamble is molded in each molding part, further improving the production efficiency.

The greater the number of molding parts, the greater the number of zipper front codes that can be molded in a single way theoretically, but at this time, it is required to consider that the solution injected from the gate 110 flows uniformly into the main flow channels 140 of each molding part to be distributed, and has enough pressure to avoid forming air holes when filling the molding cavity, so in this embodiment, two molding groups are disposed on the lower mold 100 at intervals along the front-rear direction, the gate 110 is located between the two molding groups, two molding parts are disposed in each molding group along the left-right direction, in the same molding group, the two main flow channels 140 in the two molding parts are joined and then connected to the gate 110, that is, the molding parts are disposed at the left front side, the right front side, the left rear side and the right rear side of the gate 110, and the main flow channels 140 in the right front molding part extend back to be communicated with the gate 110, the main flow channels 140 in the right rear molding part and the right rear molding part are located in the left front of the gate 110, and the left rear side of the gate is far away from the gate rib 120 and is formed far from the gate 110, and the left rear side of the gate is formed far from the gate 110. The solution injected from the gate 110 flows in the front and rear directions respectively, and then is split into two main runners 140 in the front molding group and two main runners 140 in the rear molding group respectively, zipper preambles are molded in the four molding parts respectively, and the number of single-time moldable zipper preambles is further increased by reasonably and uniformly splitting the solution injected into the gate 110, so that the production efficiency is improved.

In practical application, the molding ribs 120 in each molding portion extend along a straight line direction, and on each molding rib 120, a plurality of molding grooves 121 are arranged on the molding rib 120 at intervals, corresponding to the molding grooves, avoidance grooves which are equal in number to the molding ribs 120 and respectively correspond to the molding ribs are also arranged in the upper die, and molding cavities which are equal in number to the molding grooves 121 and respectively face each other. After the solution injected from the gate 110 flows into the main flow channel 140, the solution flows into the forming grooves 121 from the sub flow channels 130, and a plurality of zipper preambles are formed on the forming rib 120 at intervals, so that the number of single-time formable zipper preambles is further increased, and the production efficiency is improved.

In the above embodiment, in each forming portion, a slag discharging groove 150 is disposed on a side of the forming rib 120 away from the main runner 140, and the slag discharging groove 150 may be of a whole-segment design or a plurality of the slag discharging grooves 150 may be of a segment design, that is, the slag discharging grooves 150 are disposed at intervals along the length extending direction of the forming rib 120, and each slag discharging groove 150 is connected with a plurality of the forming grooves 121. In the same forming part, a plurality of forming grooves 121 arranged along the length direction of the forming rib 120 are divided into a plurality of groups, each group corresponds to one slag discharging groove 150, so that the plurality of forming grooves 121 can respectively discharge slag into the plurality of slag discharging grooves 150, the length of a slag ladle formed after cooling can be controlled, and the slag ladle can be conveniently separated from a zipper preamble.

In order to facilitate demolding, in this embodiment, the lower mold 100 is provided with a first pillar hole 160, and the first pillar hole 160 is connected to a side of the slag runner 150 away from the forming rib 120. The solution flows into the first column hole 160 from the slag discharging groove 150, and after cooling, a first ejection column connected with the slag ladle is formed, and when the semi-finished product is taken out from the lower die 100, the first ejection column is ejected upwards, so that the slag ladle position of the semi-finished product can be ejected conveniently.

In some embodiments, the main flow channel 140 is provided with a second column hole 170, and the second column holes 170 may be arranged on the main flow channel 140 at intervals along the length extending direction in the main flow channel 140. When the solution flows in the main runner 140, the second post holes 170 can be filled, the second ejector posts can be formed after cooling, and when the semi-finished product is taken out from the lower die 100, the main runner 140 is a main connecting structure of all parts connected in the forming part, and an upward lifting force is applied to the second ejector posts, so that the main runner 140 can be stably lifted up, and the semi-finished product can be more easily lifted up.

In some embodiments, third post holes 180 are provided on both sides of the gate 110 on the lower mold 100. The solution injected from the gate 110 fills the third column hole 180, and forms a third ejection column after cooling, and when the semi-finished product is taken out from the lower die 100, the third column hole 180 is lifted up, so that a lifting force can be provided to the middle part of the semi-finished product, and the semi-finished product is ejected more stably.

As shown in fig. 2, a fastener-precursor cast member is obtained from the fastener-precursor production mold described above.

From the above, with the die for producing zipper prefixes, a cast with multiple zipper prefixes can be obtained, and the zipper prefixes can be collected and processed uniformly to separate the zipper prefix body 200, as shown in fig. 3, so that the production efficiency of the zipper prefixes is greatly improved, and the quality and consistency of products are improved.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. Zipper preamble production mould, its characterized in that: comprising the following steps:

the lower die (100) is provided with a pouring gate (110) and a forming part on the top surface, the forming part comprises a main runner (140), forming ribs (120) and a deslagging groove (150), one end of the main runner (140) is communicated with the pouring gate (110), the forming ribs (120) and the deslagging groove (150) are arranged at intervals along the direction away from the main runner (140), forming grooves (121) are formed in the surface of the forming ribs (120), and sub-runners (130) are arranged between the forming grooves (121) and the main runner (140) and between the forming ribs (150);

the upper die is characterized in that an avoidance groove is formed in the bottom surface of the upper die right opposite to the position of the forming rib (120), the shape of the forming rib (120) is mutually matched with that of the avoidance groove, and a forming cavity is formed in the position, opposite to the forming groove (121), of the avoidance groove.

2. The zipper preamble production mold of claim 1, characterized in that: shaping ribs (120) are arranged on two sides of the main runner (140), and slag discharge grooves (150) are arranged on one side, away from the main runner (140), of each shaping rib (120).

3. The slide fastener preamble production mold according to claim 1 or 2, characterized in that: the number of the molding parts is plural, and the main flow passages (140) in the molding parts are all communicated with the gate (110).

4. A zipper preamble production mould according to claim 3, characterized in that: two forming groups are arranged on the lower die (100) at intervals along the front-rear direction, the pouring gate (110) is positioned between the two forming groups, two forming parts are arranged in each forming group along the left-right direction, and in the same forming group, the main flow channels (140) in the two forming parts are connected to the pouring gate (110) after being converged.

5. The zipper preamble production mold of claim 1, characterized in that: the molding grooves (121) are arranged in a plurality at intervals on the molding rib (120).

6. The zipper preamble production mold of claim 5, characterized in that: the slag discharging grooves (150) are formed in a plurality of at intervals along the length extending direction of the forming ribs (120), and each slag discharging groove (150) is connected with a plurality of forming grooves (121).

7. The zipper preamble production mold of claim 1, characterized in that: the lower die (100) is provided with a first column hole (160), and the first column hole (160) is connected to one side, far away from the forming rib (120), of the slag discharging groove (150).

8. The zipper preamble production mold of claim 1, characterized in that: a second column hole (170) is arranged in the main flow channel (140).

9. The zipper preamble production mold of claim 1, characterized in that: third column holes (180) are formed in the lower die (100) and located on two sides of the pouring gate (110).

10. The casting of sign indicating number spare, its characterized in that before the zip fastener: a zipper preamble production mould according to any one of claims 1 to 9.

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