CN218315000U - Arc back-off position forming die - Google Patents

Abstract

The utility model discloses an arc-shaped inverted-buckle-position forming die, which comprises a male die and a female die, wherein the male die and the female die can be used for die assembly and die sinking, and when the male die and the female die are used for die assembly, the male die and the female die enclose a product injection molding cavity; one end of the product injection molding cavity extends towards the lower left, and the other end of the product injection molding cavity extends towards the right; the product is moulded plastics the left side below of die cavity and is equipped with first building block, first building block can insert in the left lower extreme that the die cavity was moulded plastics to the product, the right-hand second building block, third building block, the fourth building block that distribute in proper order from top to bottom that is equipped with of die cavity is moulded plastics to the product, second building block, third building block, fourth building block can be towards the left side and insert in the right-hand member that the die cavity was moulded plastics to the product and mutually support with first building block, the left side inner wall that the die cavity was moulded plastics to the product is equipped with the watering of outside extension. The utility model has the advantages of reasonable design, the wax technology is pieced together to the cancellation, direct integrated into one piece.

Description

Arc back-off position forming die

Technical Field

The utility model relates to the technical field of mold, especially, relate to an arc back-off position forming die.

Background

Referring to fig. 4, since the product (11) has the arc-shaped inverted-buckling position (14) inside, in the prior art, the product (11) as a wax member is usually manufactured by splitting and using a wax splicing process, that is, a main body part of the product (11) and the arc-shaped inverted-buckling position (14) are formed separately and then are manufactured by using the wax splicing process.

Problems with the above technique: the mode has low production efficiency and poor product appearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arc back-off position forming die to production efficiency is low in the solution background art, the bad technical problem of product appearance.

In order to achieve the purpose, the technical scheme of the utility model provides an arc back-off position forming die, which comprises a male die and a female die, wherein the male die and the female die can be used for die assembly and die opening, and when the male die and the female die are used for die assembly, the male die and the female die enclose a product injection molding cavity; one end of the product injection molding cavity extends towards the left lower side, and the other end of the product injection molding cavity extends towards the right side; the product is moulded plastics the left side below of die cavity and is equipped with first building block, first building block can insert in the left lower extreme that the die cavity was moulded plastics to the product, the right-hand second building block, third building block, the fourth building block that distribute in proper order from top to bottom that is equipped with of die cavity is moulded plastics to the product, second building block, third building block, fourth building block can be towards the left side and insert in the right-hand member that the die cavity was moulded plastics to the product and mutually support with first building block, the left side inner wall that the die cavity was moulded plastics to the product is equipped with the watering of outside extension.

Furthermore, an arc portion is disposed on a side of the right upper end of the first building block close to the runner, an engagement groove is disposed on a side of the right upper end of the first building block away from the runner, left ends of the second building block and the third building block are engageable with the engagement groove, and upper and lower sides of the third building block are respectively engageable with the second building block and the fourth building block.

Furthermore, a step with a downward opening is arranged at the left lower end of the second building block, the left side of the step is a horizontal plane, and the right side of the step is an inclined plane which is gradually inclined downwards from left to right; a boss is arranged at the upper left end of the third building block, the left side of the boss is a horizontal plane, and the right side of the boss is an inclined plane which gradually inclines downwards from left to right; the step is embedded with the boss.

Further, an arc-shaped groove with a downward opening is formed in the lower left end of the third building block, an arc surface which gradually inclines upwards from left to right is formed in the left side of the arc-shaped groove, and an arc surface which gradually inclines downwards from left to right is formed in the right side of the arc-shaped groove; an arc-shaped table is arranged at the upper left end of the fourth building block, an arc surface which gradually inclines upwards from left to right is arranged at the left side of the arc-shaped table, and an arc surface which gradually inclines downwards from left to right is arranged at the right side of the arc-shaped table; the arc-shaped table is embedded with the arc-shaped groove.

Furthermore, a swing rod is arranged at the right end of the third building block, the right end of the swing rod extends rightwards to the outside of the injection molding cavity of the product and is movably connected with the movable block through a pin, the swing rod can swing up and down around the pin, and the movable block can drive the swing rod to move left and right.

Furthermore, a first limiting block is arranged at the right end of the second building block, the first limiting block is arranged outside the product injection molding cavity, and the first limiting block can be in limiting fit with the upper right of the product injection molding cavity; the right-hand member of fourth building block is equipped with the second stopper, the outside of the product die cavity of moulding plastics is located to the second stopper, the second stopper can mould plastics the spacing cooperation in the right side below of die cavity with the product.

Furthermore, a third limiting block extending downwards is arranged at the right end of the first limiting block, and the third limiting block is arranged on the right side of the second limiting block; a movable groove is formed in the upper right end of the second limiting block, openings are formed in the right side and the upper side of the movable groove, and the movable groove is formed among the first limiting block, the second limiting block and the third limiting block; the movable block is arranged in the movable groove and can move left and right in the movable groove.

Further, the left lower extreme of first building block is equipped with the fourth stopper, the outside of the product die cavity of moulding plastics is located to the fourth stopper, the fourth stopper can mould plastics the spacing cooperation in left side below of die cavity with the product.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model has reasonable structural design, (1) a first building block is arranged at the lower left side of the product injection molding cavity and can be inserted into the lower left end of the product injection molding cavity, so that the first building block can form the internal structure of the lower left end of the product; (2) The second, third and fourth building blocks can be inserted into the right end of the product injection molding cavity towards the left and are matched with the first building block, so that the second, third and fourth building blocks can not only form the internal structure of the right end of the product, but also form the arc-shaped reverse buckling position in the product by being matched with the first building block; (3) The second building block, the third building block and the fourth building block are mutually independent, so that the second building block, the third building block and the fourth building block can enter the right end of a product or come out of the right end of the product in a sequential mode; (4) The analysis shows that the first building block, the second building block, the third building block and the fourth building block are matched with each other, so that a wax splicing process can be omitted, the first building block, the second building block, the third building block and the fourth building block are directly integrally formed, the production efficiency is improved, and the risk of poor appearance is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of a portion of the area A of FIG. 1;

fig. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic cross-sectional view of the product produced by the present invention;

description of reference numerals: 1-male die, 2-product injection molding cavity; 3-a first building block, 301-an arc part, 302-a tabling groove and 303-a fourth limiting block; 4-a second building block, 401-a step, 402-a first stopper, 403-a third stopper; 5-third building block, 501-boss, 502-arc groove, 503-swinging rod; 6-a fourth building block, 601-an arc-shaped table, 602-a second limiting block and 603-a movable groove; 7-pouring channel, 8-movable block, 9-pin, 10-glass bead screw, 11-product, 12-first driving device, 13-second driving device and 14-arc-shaped back-off position.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but do not constitute a limitation to the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: an observer observes the accompanying drawing 1, the left side of the observer is set as the left side, the right side of the observer is set as the right side, the front side of the observer is set as the front side, the rear side of the observer is set as the rear side, the upper side of the observer is set as the upper side, and the lower side of the observer is set as the lower side, it should be noted that the terms "front end", "rear end", "left side", "right side", "middle part", "upper part", "lower part", and the like in the text indicate that the directions or positional relationships are directions or positional relationships established based on the drawings, and only for the convenience of clearly describing the present invention, the structures or parts indicated by the directions or indications must have specific directions and be configured in specific directions, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and "fourth" are used merely for purposes of clarity or simplicity of description and are not to be construed as indicating or implying relative importance or quantity.

Referring to fig. 1 to 4, the embodiment provides an arc-shaped inverted-buckle-position forming mold, which includes a male mold 1 and a female mold (not shown in the figure), wherein the male mold 1 and the female mold can be closed and opened, and when the male mold 1 and the female mold are closed, the male mold 1 and the female mold enclose a product injection mold cavity 2; one end of the product injection molding cavity 2 extends towards the left lower side, and the other end of the product injection molding cavity 2 extends towards the right side; the left lower side of the product injection molding cavity 2 is provided with a first building block 3, the first building block 3 can be inserted into the left lower end of the product injection molding cavity 2, the right side of the product injection molding cavity 2 is provided with a second building block 4, a third building block 5 and a fourth building block 6 which are sequentially distributed from top to bottom, the second building block 4, the third building block 5 and the fourth building block 6 can be inserted into the right end of the product injection molding cavity 2 towards the left side and are mutually matched with the first building block 3, and the left inner wall of the product injection molding cavity 2 is provided with a pouring gate 7 which extends outwards. The function is as follows: (1) The first building block is arranged at the lower left of the product injection molding cavity and can be inserted into the lower left end of the product injection molding cavity, so that the first building block can mold the internal structure of the lower left end of the product; (2) The second, third and fourth building blocks are arranged on the right side of the product injection molding cavity from top to bottom in sequence, and can be inserted into the right end of the product injection molding cavity towards the left and are matched with the first building block, so that the second, third and fourth building blocks can mold the internal structure of the right end of the product, and the arc-shaped reverse buckling positions 14 in the product 11 can be molded by matching with the first building block; (3) The second building block, the third building block and the fourth building block are mutually independent, so that the second building block, the third building block and the fourth building block can enter the right end of a product or come out of the right end of the product in a sequential mode; (4) The analysis shows that the first building block, the second building block, the third building block and the fourth building block are matched with each other, so that a wax splicing process can be omitted, the building blocks are directly integrally formed, the production efficiency is improved, and the risk of poor appearance is improved.

Specifically, an arc portion 301 is disposed on a side of the right upper end of the first building block 3 close to the runner 7, an engagement groove 302 is disposed on a side of the right upper end of the first building block 3 away from the runner 7, left ends of the second building block 4 and the third building block 5 can be engaged with the engagement groove 302, and upper and lower sides of the third building block 5 are engaged with the second building block 4 and the fourth building block 6, respectively. The function is as follows: by the design, the first building block can be used for forming a part of arc-shaped reverse buckling positions of the product 11, and the first building block can be firstly drawn out when the mold is opened, and then the second building block, the third building block and the fourth building block are drawn out.

Specifically, a step 401 with a downward opening is arranged at the lower left end of the second building block 4, the left side of the step 401 is a horizontal plane, and the right side of the step 401 is an inclined plane gradually inclined downward from left to right; a boss 501 is arranged at the left upper end of the third building block 5, the left side of the boss 501 is a horizontal plane, and the right side of the boss 501 is an inclined plane which is gradually inclined downwards from left to right; the step 401 is fitted to the boss 501. The function is as follows: the design facilitates the left end of the second building block and the first building block to be matched to form the arc-shaped reverse buckling position of the product 11, and also facilitates the first building block to be pulled out outwards and then the third building block and the fourth building block to be pulled out.

Specifically, the left lower end of the third building block 5 is provided with an arc-shaped groove 502 with a downward opening, the left side of the arc-shaped groove 502 is set as an arc surface which gradually inclines upwards from left to right, and the right side of the arc-shaped groove 502 is set as an arc surface which gradually inclines downwards from left to right; the left upper end of the fourth building block 6 is provided with an arc-shaped table 601, the left side of the arc-shaped table 601 is provided with an arc surface which gradually inclines upwards from left to right, and the right side of the arc-shaped table 601 is provided with an arc surface which gradually inclines downwards from left to right; the arc-shaped table 601 is engaged with the arc-shaped groove 502. The function is as follows: the design is convenient to draw the second building block outwards firstly, then the third building block is lifted upwards to be separated from the embedded state and then is drawn outwards, and finally the fourth building block is drawn outwards.

Specifically, the right end of the third building block 5 is provided with a swing rod 503, the right end of the swing rod 503 extends to the right to the outside of the product injection mold cavity 2 and is movably connected with the movable block 8 through a pin 9, the swing rod 503 can swing up and down around the pin 9, and the movable block 8 can drive the swing rod 503 to move left and right. During the actual core pulling operation (i.e. mold opening): step 1, drawing out a first building block towards the lower left; step 2, extracting the second building block to the right; step 3, the fourth building block is pulled out to the right for a certain distance, so that the third building block is jacked up upwards and the swinging rod swings upwards around the pin, and the arc-shaped table is separated from the arc-shaped groove at the moment; step 4, the movable block moves rightwards, so that the third building block is extracted rightwards; and 5, completely drawing out the fourth building block to the right so as to finish the core-pulling work.

Specifically, a first limit block 402 is arranged at the right end of the second building block 4, the first limit block 402 is arranged outside the product injection molding cavity 2, and the first limit block 402 can be in limit fit with the upper right of the product injection molding cavity 2; the right end of the fourth building block 6 is provided with a second limiting block 602, the second limiting block 602 is arranged outside the product injection molding cavity 2, and the second limiting block 602 can be in limiting fit with the lower right side of the product injection molding cavity 2. The function is as follows: the first limiting block can limit the leftward movement amplitude of the second building block, and the second limiting block can limit the leftward movement amplitude of the fourth building block.

Specifically, a third limiting block 403 extending downward is disposed at the right end of the first limiting block 402, and the third limiting block 403 is disposed at the right side of the second limiting block 602; a movable groove 603 is formed in the right upper end of the second limiting block 602, openings are formed in the right side and the upper side of the movable groove 603, and the movable groove 603 is formed among the first limiting block 402, the second limiting block 602 and the third limiting block 403; the movable block 8 is disposed in the movable slot 603 and can move left and right in the movable slot 603. The function is as follows: through the setting of third stopper, can enclose synthetic activity chamber (the groove that moves about promptly) with second stopper, first stopper, the third stopper is also convenient simultaneously and drives actuating cylinder or hydro-cylinder etc. and be connected.

Specifically, the lower left end of the first building block 3 is provided with a fourth limiting block 303, the fourth limiting block 303 is arranged outside the product injection molding cavity 2, and the fourth limiting block 303 can be in limiting fit with the lower left side of the product injection molding cavity 2. The function is as follows: through setting up the fourth stopper, can restrict the range of first building block towards the interior motion of product injection molding die cavity.

Specifically, referring to fig. 3, the fourth stopper 303 of the first building block is driven by the first driving device 12, and the third stopper 403 of the second building block is driven by the second driving device 13, where the first driving device and the second driving device may be an oil cylinder or an air cylinder.

Specifically, the left and right movement of the movable block 8 and the second limiting block can also be driven by an air cylinder or an oil cylinder, and the specific structure can be selected according to actual needs.

In addition, the movable block 8 can cooperate with the glass bead screw 10, and the right end of the second limiting block 602 also can be connected with the third limiting block 403 through the plugging screw and the spring in sequence, and the specific connecting structure thereof can be selected according to actual needs, which is not described in detail herein.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.

Claims (8)

1. An arc-shaped inverted-buckle-position forming die comprises a male die (1) and a female die, wherein the male die (1) and the female die can be subjected to die assembly and die disassembly, and when the male die (1) and the female die are subjected to die assembly, the male die (1) and the female die enclose a product injection molding cavity (2); the method is characterized in that: one end of the product injection molding cavity (2) extends towards the left lower side, and the other end of the product injection molding cavity (2) extends towards the right side; the left side below of the product injection molding cavity (2) is equipped with first building block (3), first building block (3) can insert the product and mould plastics in the left lower extreme of cavity (2), the right-hand second building block (4), third building block (5), fourth building block (6) that distribute in proper order from top to bottom that is equipped with of cavity (2) is moulded plastics to the product, second building block (4), third building block (5), fourth building block (6) can insert in the right-hand member of the product injection molding cavity (2) and mutually support with first building block (3) towards a left side, the left side inner wall of the product injection molding cavity (2) is equipped with runner (7) of outside extension.

2. The arc-shaped inverted buckle forming die according to claim 1, wherein: an arc-shaped part (301) is arranged on one side, close to the pouring gate (7), of the upper right end of the first building block (3), an embedding groove (302) is arranged on one side, far away from the pouring gate (7), of the upper right end of the first building block (3), the left ends of the second building block (4) and the third building block (5) can be embedded in the embedding groove (302), and the upper side and the lower side of the third building block (5) are respectively embedded in the second building block (4) and the fourth building block (6).

3. The arc-shaped inverted buckle position forming die as claimed in claim 2, wherein: the left lower end of the second building block (4) is provided with a step (401) with a downward opening, the left side of the step (401) is set as a horizontal plane, and the right side of the step (401) is set as an inclined plane gradually inclined downwards from left to right; a boss (501) is arranged at the left upper end of the third building block (5), the left side of the boss (501) is set as a horizontal plane, and the right side of the boss (501) is set as an inclined plane which gradually inclines downwards from left to right; the step (401) is embedded with the boss (501).

4. The arc-shaped inverted buckle forming die as set forth in claim 3, wherein: an arc-shaped groove (502) with a downward opening is formed in the lower left end of the third building block (5), an arc surface which gradually inclines upwards from left to right is formed in the left side of the arc-shaped groove (502), and an arc surface which gradually inclines downwards from left to right is formed in the right side of the arc-shaped groove (502); the left upper end of the fourth building block (6) is provided with an arc-shaped table (601), the left side of the arc-shaped table (601) is provided with an arc surface which gradually inclines upwards from left to right, and the right side of the arc-shaped table (601) is provided with an arc surface which gradually inclines downwards from left to right; the arc-shaped table (601) is embedded with the arc-shaped groove (502).

5. The arc-shaped inverted-buckle-position forming die as claimed in claim 4, wherein: the right-hand member of third building block (5) is equipped with swinging arms (503), the right-hand member of swinging arms (503) extends to the outside of product injection mold cavity (2) right side and passes through pin (9) swing joint with movable block (8), swinging arms (503) can be around pin (9) luffing motion, movable block (8) can drive swinging arms (503) along the side-to-side motion.

6. The arc-shaped inverted-buckle-position forming die as claimed in claim 5, wherein: a first limiting block (402) is arranged at the right end of the second building block (4), the first limiting block (402) is arranged outside the product injection molding cavity (2), and the first limiting block (402) can be in limiting fit with the upper right of the product injection molding cavity (2); the right-hand member of fourth building block (6) is equipped with second stopper (602), the outside of the product die cavity (2) of moulding plastics is located in second stopper (602), second stopper (602) can mould plastics the spacing cooperation in the right side below of die cavity (2) with the product.

7. The arc-shaped inverted-buckle-position forming die as claimed in claim 6, wherein: a third limiting block (403) extending downwards is arranged at the right end of the first limiting block (402), and the third limiting block (403) is arranged on the right side of the second limiting block (602); a movable groove (603) is formed in the right upper end of the second limiting block (602), openings are formed in the right side and the upper side of the movable groove (603), and the movable groove (603) is formed among the first limiting block (402), the second limiting block (602) and the third limiting block (403); the movable block (8) is arranged in the movable groove (603) and can move left and right in the movable groove (603).

8. The arc-shaped inverted-buckle position forming die as claimed in any one of claims 1 to 7, wherein: the left lower extreme of first building block (3) is equipped with fourth stopper (303), the outside of the product die cavity (2) of moulding plastics is located in fourth stopper (303), fourth stopper (303) can mould plastics the spacing cooperation in left below of die cavity (2) with the product.

Images