CN220242243U - Die with stroke limiting and die closing positioning functions - Google Patents

Abstract

The utility model discloses a die with stroke limiting and die closing positioning functions, which comprises an upper die, a lower die, a stroke limiting piece, a positioning convex piece and a positioning concave piece, wherein one end of the stroke limiting piece is fixedly arranged on the upper die through a fixed screw, the other end of the stroke limiting piece is provided with a stroke hole, the lower die is provided with a limit screw, and the limit screw is movably arranged in the stroke hole; the positioning convex piece is fixedly arranged on the upper die, the positioning concave piece is fixedly arranged on the lower die, and the positioning convex piece and the positioning concave piece are matched with each other in a concave-convex manner to carry out die assembly positioning on the upper die and the lower die. The problem of poor die assembly positioning precision of the traditional die is solved by arranging the positioning concave piece and the positioning convex piece, and the precision of die assembly is improved, so that the product quality is improved; the stroke limiting piece is arranged to limit the stroke of the die, so that the risk of collision when the upper die and the lower die are clamped is reduced, the damage of die parts is reduced, and meanwhile, the influence on the efficiency of the next die clamping caused by the fact that the upper die is separated from the lower die when the die is opened is avoided, and the production efficiency is improved.

Description

Die with stroke limiting and die closing positioning functions

Technical Field

The utility model relates to the technical field of dies, and particularly discloses a die with stroke limiting and die closing positioning functions.

Background

The mould is used for various tools for injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods to obtain the required products in industrial production. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material.

The mold generally comprises an upper mold and a lower mold, and the upper mold and the lower mold need to be matched and matched in mold clamping in production. In the prior art, when the mold is closed, the mold is positioned by mostly relying on a guide device formed by a guide post and a guide hole, and a special closing and positioning device is not provided, so that the problem that the positioning accuracy is poor and the appearance of a product is influenced exists. Some dies are not provided with a stroke limiting device, so that the upper die and the lower die are easy to collide when the dies are closed, and parts of the dies are damaged; the die opening distance is difficult to control during die opening, and the upper die is easy to separate from the lower die due to the fact that the die opening distance is too large, the next die closing is affected, and therefore normal production efficiency is affected.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a die with stroke limiting and die closing positioning functions, solve the problems of poor die closing positioning precision, easiness in collision and difficulty in controlling the die opening distance of the traditional die, and improve the production quality and efficiency.

In order to achieve the above object, a mold with stroke limiting and mold closing positioning functions of the present utility model includes an upper mold and a lower mold that are matched with each other; also comprises a stroke limiting piece, a positioning convex piece and a positioning concave piece,

one end of the stroke limiting piece is fixedly arranged on the upper die through a fixed screw, a stroke hole is formed in the other end of the stroke limiting piece, the stroke hole is a long hole which is the same as the length direction of the stroke limiting piece, a limit screw is arranged on the lower die, the limit screw is movably arranged in the stroke hole, and the upper die and the lower die are limited in stroke by limiting the position of the limit screw in the stroke hole;

the positioning convex piece is fixedly arranged on the upper die, the positioning concave piece is fixedly arranged on the lower die, and the positioning convex piece and the positioning concave piece are matched with each other in a concave-convex manner to carry out die assembly positioning on the upper die and the lower die.

Specifically, the upper die comprises an upper compound plate, a base plate, an upper die core and an upper locking piece, wherein the upper compound plate is fixedly overlapped with the base plate, the upper die plate is fixedly connected with the base plate, the upper die core is fixedly arranged on the upper die plate, and the upper locking piece is arranged on the upper die plate and used for locking the upper die core.

Specifically, the lower mould includes lower compound board, mould foot, lower bolster, lower mold core and lower locking piece, and the one end of mould foot is installed in lower compound board, and the other end of mould foot is connected in the lower bolster in order to support the lower bolster, and the lower mold core is installed on the lower bolster, and lower locking piece is installed in the lower bolster and is used for locking down the mold core.

Specifically, one end of the stroke limiting piece is fixedly arranged on the outer side of the base plate through a fixing screw, the other end of the stroke limiting piece is connected on the outer side of the lower die plate through a limiting screw, the positioning convex piece is fixedly arranged on the outer side of the upper die plate, and the positioning concave piece is fixedly arranged on the outer side of the lower die plate.

Specifically, the lower die further comprises a lower ejector plate, an upper ejector plate and an ejector pin, wherein the upper ejector plate is movably connected to the lower die plate through a pin, the lower ejector plate is arranged at the bottom of the upper ejector plate, one end of the ejector pin is arranged on the upper ejector plate, and the other end of the ejector pin penetrates through the lower die plate to reach the lower die core.

Specifically, the bottom of lower bolster is provided with the recess, and the bolt overcoat is equipped with the spring, and the one end of spring holds in the recess, and the other end of spring supports the top of last thimble board.

Specifically, the lower die is also provided with a first guide post, two ends of the first guide post are respectively fixedly arranged on the lower compound plate and the lower die plate, the first guide post penetrates through the upper ejector pin plate and the lower ejector pin plate, and the upper ejector pin plate and the lower ejector pin plate are embedded with a first guide sleeve which is used for being sleeved outside the first guide post.

Specifically, the upper die further comprises a second guide post, one end of the second guide post is fixedly arranged on the upper compound plate, the other end of the second guide post sequentially penetrates through the base plate, the upper die plate and the lower die plate from top to bottom and stretches into the die leg, the die leg is provided with a through hole, and the end part of the second guide post is suspended and accommodated in the through hole.

Specifically, the upper die and the lower die are respectively provided with a second guide sleeve sleeved outside the second guide post, and the second guide sleeves are sequentially embedded and arranged on the base plate, the upper die plate and the lower die plate from top to bottom.

Specifically, the runner has been seted up to last compound board, runner department is provided with the holding ring, backing plate and cope match-plate pattern are provided with the runner with runner intercommunication, are provided with the runner bush in the runner, and the runner communicates in last mold core.

The utility model has the beneficial effects that: the utility model relates to a die with stroke limiting and die closing positioning functions, which comprises an upper die, a lower die, a stroke limiting piece, a positioning convex piece and a positioning concave piece, wherein one end of the stroke limiting piece is fixedly arranged on the upper die through a fixed screw, a stroke hole is formed in the other end of the stroke limiting piece, a limit screw is arranged on the lower die, and the limit screw is movably arranged in the stroke hole; the positioning convex piece is fixedly arranged on the upper die, the positioning concave piece is fixedly arranged on the lower die, and the positioning convex piece and the positioning concave piece are matched with each other in a concave-convex manner to carry out die assembly positioning on the upper die and the lower die. When the die is closed, the positioning convex piece is clamped into the positioning concave piece to be matched with the positioning concave piece in a concave-convex mode, and therefore the upper die and the lower die are accurately closed. The length of the travel hole of the travel limiting piece limits the travel of the upper die and the lower die, when the limit screw is in contact with the inner top wall of the travel hole, the upper die and the lower die are in a die clamping state, and the upper die does not continuously squeeze the lower die due to the limitation of the travel hole and the limit screw, so that the phenomenon that the upper die and the lower die collide to cause the damage of die parts is avoided; when the limit screw moves to be in contact with the inner bottom wall of the travel hole, the upper die and the lower die are at the maximum die opening distance, and the upper die is not far away from the lower die due to the limitation of the travel hole and the limit screw, so that the condition that the upper die is separated from the lower die to influence the next die closing is avoided.

According to the die with the stroke limiting and die closing positioning functions, the problem of poor die closing positioning precision of the traditional die is solved by arranging the positioning concave piece and the positioning convex piece, and the precision of die closing is improved, so that the product quality is improved, and the time and cost of a product later trimming process are saved; the stroke limiting piece is arranged to limit the stroke of the die, so that the risk of collision when the upper die and the lower die are clamped is reduced, the damage of die parts is reduced, and meanwhile, the influence on the efficiency of the next die clamping caused by the fact that the upper die is separated from the lower die when the die is opened is avoided, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of the present utility model;

FIG. 3 is a schematic cross-sectional view of B-B according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the C-C structure of the present utility model;

FIG. 5 is a schematic cross-sectional view of the D-D structure of the present utility model.

The reference numerals include:

1-upper die 2-lower die 3-stroke limiting piece

4-positioning convex part 5-positioning concave part 10-pouring gate

11-upper compound plate 12-backing plate 13-upper template

14-upper mould core 15-upper locking piece 16-second guide post

17-second guide sleeve 18-positioning ring 19-sprue bush

21-lower compound plate 22-die leg 23-lower die plate

24-lower mould core 25-lower locking piece 26-lower thimble plate

27-upper thimble plate 28-thimble 29-spring

20-first guide pillar 201-first guide sleeve 202-stud

31-stroke hole.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 5, a mold with stroke limiting and mold clamping positioning functions of the present utility model includes an upper mold 1 and a lower mold 2 that are matched with each other; also comprises a stroke limiting piece 3, a positioning convex piece 4 and a positioning concave piece 5,

one end of the stroke limiting piece 3 is fixedly arranged on the upper die 1 through a fixing screw, a stroke hole 31 is formed in the other end of the stroke limiting piece 3, the stroke hole 31 is a long hole which is identical to the stroke limiting piece 3 in the length direction, a limit screw is arranged in the lower die 2 in a movable mode, the limit screw is arranged in the stroke hole 31 so that the end of the stroke limiting piece 3 is connected with the lower die 2, the upper die 1 and the lower die 2 are limited in stroke through limiting the position of the limit screw in the stroke hole 31, and the length of the stroke hole 31 is the stroke distance between the upper die 1 and the lower die 2. The fixed screw at the joint of the stroke limiting piece 3 and the upper die 1 is in a tightening state for a long time, and in the process of opening and closing the upper die 1 and the lower die 2, the limit screw of the stroke hole 31 is loosened, and the connection between the stroke limiting piece 3 and the lower die 2 is loosened, so that the upper die 1 can move relative to the lower die 2. When the limit screw is abutted against the inner top wall of the travel hole 31, the upper die 1 and the lower die 2 are in a die clamping state, and the upper die 1 is not extruded to the lower die 2 due to the limitation of the travel hole 31 and the limit screw, so that the phenomenon that the upper die 1 collides with the lower die 2 to cause the damage of die parts is avoided; when the limit screw moves to abut against the inner bottom wall of the travel hole 31, the upper die 1 and the lower die 2 are at the maximum die opening distance, and the upper die 1 is not far away from the lower die 2 due to the limitation of the travel hole 31 and the limit screw, so that the condition that the upper die 1 is separated from the lower die 2 to influence the next die closing is avoided.

The positioning convex piece 4 is fixedly arranged on the upper die 1, the positioning concave piece 5 is fixedly arranged on the lower die 2, the positioning convex piece 4 and the positioning concave piece 5 are matched with each other in a concave-convex mode to carry out die assembly positioning on the upper die 1 and the lower die 2, the positioning convex piece 4 is provided with a convex portion, the positioning concave piece 5 is provided with a groove matched with the convex portion, and the convex portion is used for being inserted into the groove so as to achieve the positioning effect. In this embodiment, the number of the positioning protruding members 4 and the positioning concave members 5 is four, the four positioning protruding members 4 are respectively disposed on two opposite sides of the upper mold 1, the four positioning concave members 5 are respectively disposed on two sides of the lower mold 2 corresponding to the four positioning protruding members 4, and during mold clamping, each corresponding positioning protruding member 4 and positioning concave member 5 need to be in concave-convex fit, so that the upper mold 1 and the lower mold 2 can be accurately positioned during mold clamping.

Referring to fig. 2, the upper die 1 includes an upper composite plate 11, a base plate 12, an upper die plate 13, an upper die core 14 and upper locking pieces 15, wherein the upper composite plate 11 is fixedly overlapped with the base plate 12 and is connected with the base plate 12 through bolts, the upper die plate 13 is fixedly connected with the base plate 12 through bolts, a concave accommodating cavity is formed in one surface of the upper die plate 13 far away from the base plate 12, the upper die core 14 is fixedly arranged in the accommodating cavity of the upper die plate 13, the upper locking pieces 15 are arranged on the upper die plate 13 and are used for locking the upper die core 14, two upper locking pieces 15 are respectively arranged on the front side and the rear side of the accommodating cavity, and the two upper locking pieces 15 respectively prop against the front side and the rear side of the upper die core 14; limiting blocks are arranged on the left side and the right side of the upper locking block 15, and limit the upper locking block 15 to the side edge of the accommodating cavity of the upper template 13; the upper mold core 14 is also embedded with a liquid pipeline, and the liquid pipeline can be communicated with external cooling or heating equipment so as to introduce cooling liquid or high-temperature liquid or steam, thereby cooling or heating the upper mold core 14.

Referring to fig. 2, the lower die 2 includes a lower compound plate 21, die legs 22, a lower die plate 23, a lower die core 24 and a lower locking piece 25, wherein one end of each die leg 22 is mounted on the lower compound plate 21, the other end of each die leg 22 is connected with the lower die plate 23 to support the lower die plate 23, two die legs 22 are respectively supported below the left and right sides of the lower die plate 23, a concave accommodating cavity is arranged above the lower die plate 23, the lower die core 24 is mounted in the accommodating cavity of the lower die plate 23, and the lower die core 24 and the upper die core 14 are provided with communicating cavities; the lower locking pieces 25 are arranged on the lower die plate 23 and used for locking the lower die core 24, two lower locking pieces 25 are arranged, and the two lower locking pieces 25 respectively prop against the front side and the rear side of the lower die core 24; the limiting block for limiting the upper locking piece 15 also abuts against the left side and the right side of the lower locking piece 25, the lower locking piece 25 is located between the upper locking piece 15 and the lower mold core 24, and an embedded piece is further arranged at the joint of the upper mold core 14 and the lower mold core 24 for further locking.

Referring to fig. 1, one end of the stroke limiter 3 is fixedly mounted on the outer side of the base plate 12 via a screw, the other end of the stroke limiter 3 is connected to the outer side of the lower die plate 23, and when the die is opened, the screw in the stroke hole 31 is located at the bottom of the stroke hole 31, and the upper die plate 13 and the lower die plate 23 are separated to a maximum distance due to the fixed connection of the base plate 12 and the upper die plate 13; during die assembly, the screws in the travel holes 31 are positioned at the top of the travel holes 31, and the upper die plate 13 and the lower die plate 23 are combined to a minimum distance.

The positioning convex piece 4 is fixedly arranged on the outer side of the upper die plate 13, the positioning concave piece 5 is fixedly arranged on the outer side of the lower die plate 23, the positioning convex piece 4 and the positioning concave piece 5 are in embedded installation, the outer surface of the positioning convex piece 4 is flush with the side surface of the upper die plate 13, and the outer surface of the positioning concave piece 5 is flush with the side surface of the lower die plate 23, so that the appearance of the die is more attractive, and the die is more beneficial to being installed in external equipment.

Referring to fig. 4, the lower mold 2 further includes a lower ejector plate 26, an upper ejector plate 27 and an ejector pin 28, the upper ejector plate 27 is movably connected to the lower mold plate 23 via an ejector pin 202, the lower ejector plate 26 is mounted at the bottom of the upper ejector plate 27, one end of the ejector pin 28 is mounted on the upper ejector plate 27, and the other end of the ejector pin 28 penetrates through the lower mold plate 23 to reach the lower mold core 24. The number of the ejector pins 28 is plural, and the plurality of ejector pins 28 are arranged in two groups on the upper ejector plate 27. The lower compound plate 21 is connected with a plurality of cushion blocks through screws, and the cushion blocks are used for supporting the lower thimble plate 26; the lower compound plate 21 is also provided with a support column penetrating through the upper ejector plate 27 and the lower ejector plate 26, and the support column is used for supporting the middle part of the lower template 23; the center of the lower replica 21 is provided with a round hole which can be used for a demoulding driving device of external equipment to extend in order to push the lower thimble plate 26 upwards, so that the thimble 28 moves upwards to eject the product, and demoulding is completed.

Referring to fig. 5, a groove is formed at the bottom of the lower die plate 23, a spring 29 is sleeved outside the stud 202, one end of the spring 29 is accommodated in the groove, and the other end of the spring 29 abuts against the top of the upper ejector plate 27. When the demoulding driving device of external equipment drives the lower ejector plate 26 to move upwards, the upper ejector plate 27 extrudes the spring 29 to elastically deform the spring 29; after the demolding is completed, the demolding driving device removes the pushing force on the lower ejector plate 26, and the elastic force of the spring 29 for restoring deformation pushes the upper ejector plate 27 to move downwards, so that the ejector pins 28 are reset.

Referring to fig. 5, the lower die 2 is further provided with a first guide post 20, two ends of the first guide post 20 are respectively and fixedly mounted on the lower complex plate 21 and the lower die plate 23, the first guide post 20 penetrates through the upper ejector plate 27 and the lower ejector plate 26, and the upper ejector plate 27 and the lower ejector plate 26 are embedded with a first guide sleeve 201 for being sleeved outside the first guide post 20. In the process of ejecting the product by the ejector pins 28 and resetting, the first guide post 20 and the first guide sleeve 201 are matched to form a guide device, the moving directions of the upper ejector pin plate 27, the lower ejector pin plate 26 and the ejector pins 28 are limited, the situation that the ejector pins 28 are askew and damaged due to the fact that the upper ejector pin plate 27 and the lower ejector pin plate 26 deviate from the set positions is avoided, and the ejector pins 28 are effectively protected.

Referring to fig. 3, the upper mold 1 further includes a second guide post 16, one end of the second guide post 16 is fixedly disposed on the upper complex plate 11, the other end of the second guide post 16 sequentially penetrates through the pad 12, the upper mold plate 13 and the lower mold plate 23 from top to bottom and penetrates into the mold leg 22, the mold leg 22 is provided with a through hole, and the end of the second guide post 16 is suspended in the through hole. The upper die 1 and the lower die 2 are respectively provided with a second guide sleeve 17 sleeved outside the second guide post 16, and the second guide sleeves 17 are sequentially embedded and arranged on the backing plate 12, the upper die plate 13 and the lower die plate 23 from top to bottom. The number of the second guide posts 16 is four, and the four second guide posts 16 are respectively positioned at four corners of the upper compound plate 11; the second guide sleeves 17 are also provided with four, each second guide sleeve 17 is divided into three sections, the three sections of second guide sleeves 17 are respectively arranged in the base plate 12, the upper die plate 13 and the lower die plate 23, and the second guide posts 16 axially move in the second guide sleeves 17 during die opening and die closing.

Referring to fig. 1, a gate 10 is provided on an upper compound plate 11, a positioning ring 18 is provided at the gate 10, a runner is provided on a backing plate 12 and an upper mold plate 13 and is communicated with the gate 10, a sprue bushing 19 is provided in the runner, and the runner is communicated with an upper mold core 14. The top of the upper mold core 14 is also provided with an upper mold insert, and a pouring channel penetrates through the upper mold insert, and the upper mold insert shields the top of the cavity of the upper mold core 14; the upper compound plate 11 is also provided with two grabbing pins which are respectively positioned at two sides of the pouring gate 10 and penetrate through the backing plate 12 to reach the pouring gate; the lower mold core 24 is provided with a lower mold insert, which shields the bottom of the cavity of the lower mold core 24, and the ejector pin 28 penetrates through the lower mold insert.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. A die with stroke limiting and die closing positioning functions comprises an upper die (1) and a lower die (2) which are matched with each other; the method is characterized in that: also comprises a stroke limiting piece (3), a positioning convex piece (4) and a positioning concave piece (5),

one end of the stroke limiting piece (3) is fixedly arranged on the upper die (1) through a fixed screw, a stroke hole (31) is formed in the other end of the stroke limiting piece (3), the stroke hole (31) is a long hole which is the same as the stroke limiting piece (3) in the length direction, a limit screw is arranged on the lower die (2), the limit screw is movably arranged in the stroke hole (31), and the upper die (1) and the lower die (2) are limited in stroke by limiting the position of the limit screw in the stroke hole (31);

the positioning convex piece (4) is fixedly arranged on the upper die (1), the positioning concave piece (5) is fixedly arranged on the lower die (2), and the positioning convex piece (4) and the positioning concave piece (5) are matched with each other in a concave-convex mode to mold and position the upper die (1) and the lower die (2).

2. The mold with stroke limiting and mold clamping positioning function according to claim 1, wherein: the upper die (1) comprises an upper compound plate (11), a base plate (12), an upper die plate (13), an upper die core (14) and an upper locking piece (15), wherein the upper compound plate (11) is fixedly connected with the base plate (12) in a superposition manner, the upper die plate (13) is fixedly connected with the base plate (12), the upper die core (14) is fixedly arranged on the upper die plate (13), and the upper locking piece (15) is arranged on the upper die plate (13) and used for locking the upper die core (14).

3. The mold with stroke limiting and mold clamping positioning function according to claim 2, wherein: the lower die (2) comprises a lower compound plate (21), a die foot (22), a lower die plate (23), a lower die core (24) and a lower locking piece (25), wherein one end of the die foot (22) is installed on the lower compound plate (21), the other end of the die foot (22) is connected with the lower die plate (23) to support the lower die plate (23), the lower die core (24) is installed on the lower die plate (23), and the lower locking piece (25) is installed on the lower die plate (23) and used for locking the lower die core (24).

4. A mold having stroke limiting and mold clamping positioning functions as recited in claim 3, wherein: one end of the stroke limiting piece (3) is fixedly arranged on the outer side of the base plate (12) through a fixing screw, the other end of the stroke limiting piece (3) is connected on the outer side of the lower die plate (23) through a limiting screw, the positioning convex piece (4) is fixedly arranged on the outer side of the upper die plate (13), and the positioning concave piece (5) is fixedly arranged on the outer side of the lower die plate (23).

5. A mold having stroke limiting and mold clamping positioning functions as recited in claim 3, wherein: the lower die (2) further comprises a lower ejector plate (26), an upper ejector plate (27) and ejector pins (28), the upper ejector plate (27) is movably connected to the lower die plate (23) through pins (202), the lower ejector plate (26) is arranged at the bottom of the upper ejector plate (27), one end of each ejector pin (28) is arranged on the upper ejector plate (27), and the other end of each ejector pin (28) penetrates through the lower die plate (23) to reach the lower die core (24).

6. The mold with stroke limiting and mold clamping positioning function according to claim 5, wherein: the bottom of lower bolster (23) is provided with the recess, and the overcoat of bolt (202) is equipped with spring (29), and one end holding of spring (29) is in the recess, and the other end of spring (29) supports the top of last thimble board (27).

7. The mold with stroke limiting and mold clamping positioning function according to claim 6, wherein: the lower die (2) is further provided with a first guide post (20), two ends of the first guide post (20) are respectively fixedly installed on the lower compound plate (21) and the lower die plate (23), the first guide post (20) penetrates through the upper ejector pin plate (27) and the lower ejector pin plate (26), and the upper ejector pin plate (27) and the lower ejector pin plate (26) are embedded and provided with a first guide sleeve (201) which is used for being sleeved outside the first guide post (20).

8. A mold having stroke limiting and mold clamping positioning functions as recited in claim 3, wherein: the upper die (1) further comprises a second guide post (16), one end of the second guide post (16) is fixedly arranged on the upper compound plate (11), the other end of the second guide post (16) sequentially penetrates through the base plate (12), the upper die plate (13) and the lower die plate (23) from top to bottom and goes deep into the die leg (22), the die leg (22) is provided with a through hole, and the end part of the second guide post (16) is suspended and accommodated in the through hole.

9. The mold with stroke limiting and mold clamping positioning function according to claim 8, wherein: the upper die (1) and the lower die (2) are respectively provided with a second guide sleeve (17) sleeved outside the second guide post (16), and the second guide sleeves (17) are sequentially embedded and arranged on the backing plate (12), the upper die plate (13) and the lower die plate (23) from top to bottom.

10. The mold with stroke limiting and mold clamping positioning function according to claim 2, wherein: the upper composite plate (11) is provided with a pouring gate (10), a positioning ring (18) is arranged at the pouring gate (10), a base plate (12) and an upper template (13) are provided with pouring channels communicated with the pouring gate (10), a pouring gate lining (19) is arranged in the pouring channels, and the pouring channels are communicated in an upper mold core (14).