CN218256534U

CN218256534U - Die with height-adjustable positioning pin

Info

Publication number: CN218256534U
Application number: CN202221996519.6U
Authority: CN
Inventors: 曹存斌; 方伟军
Original assignee: Ningbo Beilun Sepadi Machinery Manufacturing Co ltd
Current assignee: Ningbo Beilun Sepadi Machinery Manufacturing Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-10
Anticipated expiration: 2032-07-28

Abstract

The utility model belongs to the mould equipment field provides a mould with adjustable locating pin height, include: the upper end of the movable die holder is provided with a pouring gate, the lower end of the movable die holder is provided with an upper die cavity sleeve, and the upper die cavity sleeve is provided with a material hole communicated with the pouring gate; the die comprises a static die holder, wherein a lower die cavity sleeve is arranged in the static die holder, the lower die cavity sleeve and the upper die cavity sleeve form an injection molding cavity, a positioning column with adjustable height is inserted in the lower die cavity sleeve, the positioning column is used for placing an insert to be cast, the height of the positioning column can be adjusted according to the type of the insert, and therefore a required workpiece is obtained through secondary injection molding. Compared with the prior art, the utility model has the advantages of be provided with down the die cavity cover in this quiet die holder, the lower die cavity cover interpolation is equipped with the reference column, and the height of reference column can carry out corresponding regulation according to the size of inserts to lower die cavity cover with it can make inserts and feed liquid unite two into one and form required work piece to go up the die cavity cover and form the chamber of moulding plastics.

Description

Die with height-adjustable positioning pin

Technical Field

The utility model belongs to the mould equipment field, concretely relates to mould with adjustable locating pin height.

Background

The inserts are parts made of metal, the inserts are required to be embedded in the mold during production of products, the inserts are combined with the products after injection molding into a whole through injection molding, inserts with different sizes are required to be used due to injection molding requirements of the products, however, the injection molding cavity of the existing mold cannot be subjected to height adjustment, the inserts are difficult to be suitable for injection molding of various inserts, and production efficiency is reduced while production cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, and provide a mould with adjustable locating pin height.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a die with adjustable positioning pin height is provided, which comprises: the upper end of the movable die holder is provided with a pouring gate, the lower end of the movable die holder is provided with an upper die cavity sleeve, and the upper die cavity sleeve is provided with a material hole communicated with the pouring gate;

the die comprises a static die holder, wherein a lower die cavity sleeve is arranged in the static die holder, the lower die cavity sleeve and the upper die cavity sleeve form an injection molding cavity, a positioning column with adjustable height is inserted in the lower die cavity sleeve, the positioning column is used for placing an insert to be cast, the height of the positioning column can be adjusted according to the length of the insert, and therefore the insert and a feed liquid are in the injection molding cavity for secondary injection molding to obtain a required workpiece.

In the above die with the height-adjustable positioning pin, the positioning column is movably clamped with a plurality of positioning blocks.

In the above die with the height-adjustable positioning pin, the stationary die holder has a stationary die plate and a bottom plate, the lower cavity sleeve is arranged in the stationary die plate, the bottom plate is provided with a supporting block, the positioning column is inserted into the lower cavity sleeve, and the bottom of the positioning column abuts against the supporting block.

In the above die with the height-adjustable positioning pin, a clamping groove is formed in the outer surface of the positioning column, a limiting plate is arranged on the static template, a limiting part is arranged on the limiting plate, and the clamping groove is movably clamped with the limiting part.

In the above mold with the height-adjustable positioning pin, the static mold plate is provided with a limiting through groove, and the lower cavity sleeve is detachably connected with the limiting through groove.

In the above mold with the height-adjustable positioning pin, the movable mold base is provided with a top plate and a movable mold plate, the gate is arranged on the top plate, the upper cavity is sleeved in the movable mold plate, a flow channel is formed by enclosing the lower end surface of the top plate and the upper end surface of the movable mold plate, and the gate is communicated with the material hole through the flow channel.

In the above die with the height-adjustable positioning pin, a movable cavity is arranged in the top plate, a stripper plate is arranged in the movable cavity, a nitrogen spring and an ejector pin are arranged on the stripper plate, the nitrogen spring is connected with the inner wall of the movable cavity, and the ejector pin is movably inserted in the top plate until the ejector pin is located at the runner.

In foretell mould with adjustable locating pin height, be provided with first direction draw-in groove on the both ends of movable mould board, be provided with second direction draw-in groove on the both ends of quiet template, the movable joint has the gag lever post on first direction draw-in groove and the second direction draw-in groove, the gag lever post has first spacing end and the spacing end of second, the terminal surface of first direction draw-in groove with first activity is supported and is leaned on, the terminal surface of second direction draw-in groove with the spacing end activity of second is supported and is leaned on.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. a lower cavity sleeve is arranged in the static die holder, a positioning column is inserted in the lower cavity sleeve, and the height of the positioning column can be correspondingly adjusted according to the size of the insert, so that the lower cavity sleeve and the upper cavity sleeve form an injection molding cavity, and the insert and the feed liquid can be combined into a whole to form a required workpiece;

2. the device has strong practicability and convenient use, thereby effectively reducing production cost and improving working efficiency;

3. after the mold is opened, the stripping plate moves in the movable cavity through the nitrogen spring, so that the stripping plate drives the ejector pins to eject and drop waste at the position of the flow channel, and the working efficiency is further improved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a structural sectional view of the present invention;

FIG. 4 is a schematic view of a positioning post;

FIG. 5 is a schematic view of a positioning column and a positioning block;

fig. 6 is a schematic structural view of the stopper plate.

In the figure, 1, a movable mould base; 2. a gate; 3. an upper cavity sleeve; 4. material holes; 5. a static die holder; 6. a lower cavity sleeve; 7. an injection molding cavity; 8. a positioning column; 9. an insert; 10. positioning a block; 11. a static template; 12. A base plate; 13. a supporting block; 14. a card slot; 15. a limiting plate; 16. a limiting part; 17. a limiting through groove; 18. a top plate; 19. moving the template; 20. a movable cavity; 21. stripping plates; 22. a nitrogen spring; 23. A thimble; 24. a first guide clamping groove; 25. a second guide clamping groove; 26. a limiting rod; 27. a first limit end; 28. a second limit end.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the mold for adjusting the height of the dowel pin comprises: the die comprises a movable die holder 1, wherein a pouring gate 2 is arranged at the upper end of the movable die holder 1, an upper die cavity sleeve 3 is arranged at the lower end of the movable die holder 1, and a material hole 4 communicated with the pouring gate 2 is formed in the upper die cavity sleeve 3; the die comprises a static die holder 5, wherein a lower die cavity sleeve 6 is arranged in the static die holder 5, an injection molding cavity 7 is formed by the lower die cavity sleeve 6 and an upper die cavity sleeve 3, a positioning column 8 with adjustable height is inserted in the lower die cavity sleeve 6, the positioning column 8 is used for placing an insert 9 to be cast, the height of the positioning column 8 can be adjusted according to the length of the insert 9, and therefore the insert 9 and feed liquid are subjected to secondary injection molding in the injection molding cavity 7 to obtain a required workpiece.

Move and be provided with a plurality of die cavity covers 3 on the die holder 1, runner 2 delivers to a plurality of die cavity covers 3 in with the feed liquid through the spreader cone, be provided with a plurality of lower die cavity covers 6 that cooperate with last die cavity cover 3 on the quiet die holder 5, thereby form a plurality of chamber 7 of moulding plastics, it moulds plastics to set up like this to realize the multiunit, and the production efficiency is improved, the manual work can carry out height control according to the size of inserts 9 to reference column 8 in lower die cavity cover 6, thereby guarantee the cavity of moulding plastics chamber 7, make things convenient for the feed liquid to unite two into one with inserts 9 and form the product.

A plurality of positioning blocks 10 are movably clamped on the positioning column 8.

Be provided with positioning groove 14 on the reference column 8, the locating piece 10 both ends structure is the same, the one end and the positioning groove 14 joint of locating piece 10, and the other end of locating piece 10 is connected with another locating piece 10 again, thereby artifical accessible increases or reduces the locating hole on the reference column 8 and realizes the altitude mixture control.

The static die holder 5 is provided with a static die plate 11 and a bottom plate 12, the lower cavity sleeve 6 is arranged in the static die plate 11, a supporting block 13 is arranged on the bottom plate 12, the positioning column 8 is inserted into the lower cavity sleeve 6, and the bottom of the positioning column 8 is abutted against the supporting block 13.

The positioning column 8 is detachably arranged in the lower cavity sleeve 6, so that a worker can conveniently increase or decrease the positioning blocks 10 on the positioning column 8, and the supporting blocks 13 have the supporting function on the positioning column 8.

A clamping groove 14 is formed on the outer surface of the positioning column 8, a limiting plate 15 is arranged on the static template 11, a limiting part 16 is arranged on the limiting plate 15, and the clamping groove 14 is movably clamped with the limiting part 16.

The limiting plate 15 is provided with a through hole, the through hole is connected with the limiting part 16, the positioning column 8 is manually penetrated through the through hole to enable the clamping groove 14 to be located at the through hole, then the limiting plate 15 is moved, the limiting part 16 is connected with the clamping groove 14 in a clamped mode, the limiting plate 15 is arranged to prevent the positioning column 8 from shifting in the working process, and therefore product quality is affected.

The static template 11 is provided with a limiting through groove 17, and the lower cavity sleeve 6 is detachably connected with the limiting through groove 17.

The lower cavity sleeve 6 is connected with the limiting through groove 17 through bolts, so that the lower cavity sleeve 6 can be repaired and replaced manually.

The movable die holder 1 is provided with a top plate 18 and a movable die plate 19, a sprue 2 is arranged on the top plate 18, an upper die cavity sleeve 3 is arranged in the movable die plate 19, a runner is formed by enclosing the lower end face of the top plate 18 and the upper end face of the movable die plate 19, the sprue 2 is communicated with a material hole 4 through the runner, a movable cavity 20 is arranged in the top plate 18, a stripping plate 21 is arranged in the movable cavity 20, a nitrogen spring 22 and an ejector pin 23 are arranged on the stripping plate 21, the nitrogen spring 22 is connected with the inner wall of the movable cavity 20, and the ejector pin 23 is movably inserted in the top plate 18 until the ejector pin 23 is positioned at the runner.

In a die assembly state, a plurality of flow channels are formed by enclosing the lower end face of the top plate 18 and the upper end face of the movable die plate 19, a sprue 2 is provided with a shunting cone at the lower end, the shunting cone conveys feed liquid into the flow channels until the feed holes 4 of the upper die cavity sleeves 3, then the feed liquid flows into the injection cavity 7 and is subjected to secondary injection molding with the insert 9 to form a product, a blocking pin is inserted at the center of the positioning column 8 in the injection molding process, so that the feed liquid in the injection cavity is prevented from flowing out from the center of the positioning column 8, after the product injection molding is completed, the movable die holder 1 moves to realize die opening with the stationary die holder 5, after the die opening, the product in the injection cavity 7 is manually taken down, then the top plate 18 is separated from the movable die plate 19, the nitrogen spring 22 acts to drive the stripper plate 21 to move towards the stationary die holder 5 in the movable cavity 20, the ejector 23 interpenetrates the top plate 18 until the flow channels push the waste adhered to the flow channels, then the nitrogen spring 22 drives the stripper plate 21 and the ejector 23 to reset, and the waste adhered to be effectively removed from the top plate 18 through the stripper plate 21, so as to improve the working efficiency.

The two ends of the movable template 19 are provided with first guide clamping grooves 24, the two ends of the static template 11 are provided with second guide clamping grooves 25, the first guide clamping grooves 24 and the second guide clamping grooves 25 are movably clamped with limiting rods 26, each limiting rod 26 is provided with a first limiting end 27 and a second limiting end 28, the end face of each first guide clamping groove 24 is abutted to the first movable portion, and the end face of each second guide clamping groove 25 is abutted to the second limiting end 28.

During die sinking, the top plate 18 and the movable die plate 19 both move leftwards until the movable die plate 19 is separated from the static die plate 11, a product in the injection molding cavity 7 is manually taken out, then the top plate 18 and the movable die plate 19 continue to move leftwards until the second limiting end 28 abuts against the end face of the second guide clamping groove 25, the first limiting end 27 abuts against the first guide clamping groove 24, the movable die plate 19 cannot move leftwards any more at the moment, the top plate 18 continues to move along with an external driving part, further the top plate 18 is separated from the movable die plate 19, then the nitrogen spring 22 drives the stripper plate 21 to move, and therefore the ejector pins 23 eject waste materials adhered to the top plate 18, and the working efficiency is further improved.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions of the embodiments as "first," "second," "a," etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of the indicated features is indicative. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Claims

1. A die with an adjustable positioning pin height is characterized by comprising:

the upper end of the movable die holder is provided with a pouring gate, the lower end of the movable die holder is provided with an upper die cavity sleeve, and the upper die cavity sleeve is provided with a material hole communicated with the pouring gate;

2. The mold of claim 1, wherein the positioning pin has a plurality of positioning blocks movably engaged thereon.

3. The mold with the height-adjustable positioning pin as claimed in claim 2, wherein the stationary mold base is provided with a stationary mold plate and a bottom plate, the lower cavity sleeve is arranged in the stationary mold plate, a supporting block is arranged on the bottom plate, the positioning column is inserted into the lower cavity sleeve, and the bottom of the positioning column abuts against the supporting block.

4. The mold with the adjustable positioning pin height according to claim 3, wherein a clamping groove is formed on the outer surface of the positioning column, a limiting plate is arranged on the static template, a limiting part is arranged on the limiting plate, and the clamping groove is movably clamped with the limiting part.

5. The mold with the height-adjustable positioning pin as claimed in claim 3, wherein the fixed mold plate is provided with a limiting through groove, and the lower cavity sleeve is detachably connected with the limiting through groove.

6. The mold with the height-adjustable positioning pin according to claim 4, wherein the movable mold base is provided with a top plate and a movable mold plate, the gate is arranged on the top plate, the upper cavity is sleeved in the movable mold plate, a flow channel is formed by the lower end surface of the top plate and the upper end surface of the movable mold plate in a surrounding manner, and the gate is communicated with the material hole through the flow channel.

7. The mold with the height-adjustable positioning pin as claimed in claim 6, wherein a movable cavity is arranged in the top plate, a stripper plate is arranged in the movable cavity, a nitrogen spring and an ejector pin are arranged on the stripper plate, the nitrogen spring is connected with the inner wall of the movable cavity, and the ejector pin is movably inserted into the top plate until the ejector pin is positioned at the flow channel.

8. The mold with the adjustable height of the positioning pin according to claim 6, wherein two ends of the movable mold plate are provided with first guide clamping grooves, two ends of the static mold plate are provided with second guide clamping grooves, the first guide clamping grooves and the second guide clamping grooves are movably clamped with limiting rods, each limiting rod is provided with a first limiting end and a second limiting end, the end surface of each first guide clamping groove is movably abutted against the corresponding first guide clamping groove, and the end surface of each second guide clamping groove is movably abutted against the corresponding second limiting end.