CN113895000A

CN113895000A - Casting mold capable of effectively improving character code identification quality and casting efficiency of castings

Info

Publication number: CN113895000A
Application number: CN202111126006.XA
Authority: CN
Inventors: 王刚; 胡发林; 刘付臣
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-07
Anticipated expiration: 2041-09-26
Also published as: CN113895000B

Abstract

The invention relates to a pouring mold capable of effectively improving casting character code identification quality and pouring efficiency, which comprises an upper mold, a lower mold arranged right below the upper mold, a guide rod arranged on the lower mold and a guide hole arranged on the upper mold, wherein the guide hole and the guide rod are arranged in a matching manner, the lower mold is provided with a plurality of injection molding cavities, the upper mold is detachably connected with a plurality of upper movable templates matched with the injection molding cavities, the upper movable templates are provided with fixed character codes and a plurality of adjusting grooves, and movable character code mechanisms are arranged in the adjusting grooves. This can effectively improve foundry goods word sign indicating quality and pouring efficiency's casting mold can change first word loose piece and second word loose piece in removing the word mechanism according to actual word demand, can carry out convenient regulation to its position in the adjustment tank, and can change into the loose piece that has different word, is applicable to the foundry goods of difference and moulds plastics the use, has reduced the cost of redesign and manufacturing mould.

Description

Casting mold capable of effectively improving character code identification quality and casting efficiency of castings

Technical Field

The invention belongs to the technical field of injection molding, and particularly relates to a pouring mold capable of effectively improving character code identification quality and pouring efficiency of a casting.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting.

An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

As the requirements on the appearance quality of castings are increased, the requirements on the code identification of the castings are also increased. Therefore, the beautiful, uniform and clear character code identification of the casting is necessary.

At present, the effect of forming character code marks on castings is achieved by arranging a module with character code marks in a mold, but the character codes on the module are mostly manufactured by a pure manual character code sand core method, the character code sand core is manufactured by a molding person and then placed on an outer mold to be formed along with molding and sand casting, due to the uncertainty of the molding and sand casting process, the position of a character code sand block is easily influenced, the final position of the character code mark of the castings is made into a five-eight gate, the appearance quality of the castings is greatly influenced, the character code and character number requirements of different castings are different, the loss of a character code mold is added, the movable block of the character code mold needs to be regularly re-manufactured, the movable block is generally made of aluminum, the manufacturing period is long, the manufacturing cost is high, the position and the sequencing of the character codes on the character code sand core cannot be conveniently adjusted, and different molds need to be designed and manufactured when different castings are produced.

Disclosure of Invention

The invention aims to solve the problems and provide a pouring mold which is simple in structure and reasonable in design and can effectively improve the character code identification quality and the pouring efficiency of castings.

The invention realizes the purpose through the following technical scheme:

a casting mold capable of effectively improving character code identification quality and casting efficiency of castings comprises an upper mold, a lower mold arranged right below the upper mold, a guide rod arranged on the lower mold and a guide hole arranged on the upper mold, wherein the guide hole and the guide rod are arranged in a matched mode, a plurality of injection molding cavities are arranged on the lower mold, a plurality of upper moving templates matched with the injection molding cavities are detachably connected to the upper mold, fixed character codes and a plurality of adjusting grooves are arranged on the upper moving templates, moving character code mechanisms are arranged in the adjusting grooves, protruding parts of the moving character code mechanisms and the fixed character codes extend into the injection molding cavities, a plurality of first limiting mechanisms are arranged on one side wall of each adjusting groove, and a plurality of first auxiliary limiting mechanisms are arranged on the other side wall of each adjusting groove;

the movable character code mechanism comprises a plurality of transverse blocks, first character code movable blocks and second character code movable blocks, wherein one end wall of each transverse block, each first character code movable block and each second character code movable block is provided with a second limiting mechanism matched with the first auxiliary limiting mechanism, the other end wall of each transverse block, each first character code movable block and each second character code movable block is provided with a second limiting groove matched with the first limiting mechanism, and the second limiting mechanisms are matched with the second limiting grooves.

As a further optimized scheme of the present invention, the first limiting mechanism includes a first moving chamber disposed on one sidewall of the adjusting groove, a first inner moving plate disposed in the first moving chamber, a first limiting block connected to one sidewall of the first inner moving plate, and a second spring connected to the other sidewall of the first inner moving plate, and one end of the first limiting block penetrates through the first moving chamber and extends into the adjusting groove.

As a further optimized scheme of the invention, the first auxiliary limiting mechanism comprises a first limiting groove and a through hole which are arranged on the other side wall of the adjusting groove, one end of the through hole is communicated with the first limiting groove, the other end of the through hole extends to the outer wall of the other side of the upper movable template, a groove is arranged at the position, close to the first limiting groove, of the bottom of the adjusting groove, and a third spring is connected in the groove.

As a further optimized scheme of the present invention, the second limiting mechanism includes a second moving chamber, a second inner moving plate disposed in the second moving chamber, a second limiting block connected to one sidewall of the second inner moving plate, and a fourth spring connected to the other sidewall of the second inner moving plate, and the second inner moving plate penetrates through the second moving chamber.

As a further optimization scheme of the invention, the upper end of the upper die is connected with a plurality of external connecting plates, the upper die is provided with a plurality of moving grooves and upper moving template mounting grooves, the moving grooves are communicated with the upper moving template mounting grooves, the moving grooves are internally provided with limiting rods and first springs, the first springs are sleeved outside the limiting rods, the middle parts of the external connecting plates are provided with through grooves matched with the moving grooves, and the upper ends of the limiting rods extend into the through grooves.

As a further optimization scheme of the invention, a plurality of transverse grooves are arranged on the side wall of the upper movable template mounting groove, side limiting transverse bars matched with the transverse grooves are arranged on both side walls of the upper movable template, and limiting holes matched with the limiting rods are arranged on the upper movable template.

As a further optimization scheme of the invention, a screw rod is arranged in the lower die, a plurality of lower fixing modules are arranged at the bottom of the injection molding cavity, and the lower fixing modules are detachably connected with the screw rod.

As a further optimization scheme of the invention, the lower end of the lower die is provided with a movable demolding plate, the movable demolding plate is connected with a plurality of demolding rods, one end of each demolding rod penetrates through the lower die and extends into the injection molding cavity, and one end face of each demolding rod is flush with the bottom end face of the injection molding cavity.

As a further optimization scheme of the invention, a plurality of material injection grooves are formed in the outer wall of the lower die and are respectively communicated with a plurality of injection cavities.

The invention has the beneficial effects that:

1) the upper moving module is detachably connected to the upper die, the moving character code mechanisms are arranged on the upper moving module and comprise a plurality of transverse blocks, a first character code movable block and a second character code movable block, the transverse blocks are used for filling gaps between the first character code transverse blocks and the adjusting grooves and achieving the function of limiting connection, when the positions of the first character code movable block and the second character code movable block are adjusted and installed, the corresponding character code movable blocks can be placed at corresponding positions in the adjusting grooves, then the gaps are filled through the transverse blocks, the effect of conveniently adjusting character code sequencing and positions can be achieved, and the character codes can be conveniently replaced after being seriously worn;

2) when installing the character code movable block, the invention comprises the limit connection between a first character code movable block and a transverse block, the limit connection between the transverse block and an adjusting groove, the limit connection between the first character code movable block and the adjusting groove and the limit connection between a second character code movable block and the adjusting groove, the first character code movable block and the transverse block are connected according to the actual position relation during the limit connection, a second limit mechanism on the first character code movable block can be inserted into the second limit groove on the transverse block, the second limit mechanism on the transverse block can also be inserted into the second limit groove on the first character code movable block, and similarly, when the character code movable block is specifically installed, the first limit mechanism and the second limit groove can be connected in a limit way, the second limit mechanism can also be inserted into the first limit mechanism for limit connection, the first limit mechanism and the second limit mechanism have the same working principle, and are firstly extruded and pressed into a moving cavity, when the limiting block moves to the limiting groove, the spring rebounds and pushes the limiting block into the limiting groove, the limiting groove can limit the limiting block, so that the limiting connection effect is achieved, when the upper moving template needs to be taken out of the upper die, the ejector pin is inserted into the through hole, the second limiting block located in the first limiting groove is pushed into the second moving cavity, the spring is compressed, the second limiting block and the first limiting groove are not limited, and the third spring can push one end of the transverse block or the first character code loose piece or the second character code loose piece up to facilitate taking out;

3) the invention has simple structure, high stability, reasonable design and convenient realization.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a mating view of the upper mold and upper moving platen of the present invention;

FIG. 4 is a schematic structural view of the lower mold of the present invention;

FIG. 5 is a schematic diagram of the construction of the upper moving platen according to the present invention;

FIG. 6 is a mating view of the upper moving platen and adjustment slot of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 6 in accordance with the present invention;

FIG. 8 is an enlarged view at B of FIG. 6 of the present invention;

FIG. 9 is a schematic structural diagram of a first codeword loose piece according to the present invention;

FIG. 10 is a schematic diagram of a second codeword according to the present invention;

fig. 11 is a schematic structural view of a cross-piece of the present invention.

In the figure: 1. an upper die; 101. an outer connecting plate; 102. a moving groove; 103. a limiting rod; 104. a first spring; 105. penetrating a groove; 106. a guide hole; 2. a lower die; 201. an injection molding chamber; 202. a screw; 203. a lower fixing module; 204. a guide bar; 205. a material injection groove; 3. moving the stripper plate; 301. a stripper bar; 4. moving the template upwards; 401. fixing the character codes; 402. a lateral limiting horizontal bar; 403. an adjustment groove; 404. a first limit mechanism; 4040. a first moving chamber; 4041. a first inner moving plate; 4042. a first stopper; 4043. a second spring; 405. a first auxiliary limit mechanism; 4050. a first limit groove; 4051. a through hole; 406. a third spring; 5. a mobile character code mechanism; 501. a transverse block; 502. a first codeword live block; 503. a second codeword live block; 504. a second limiting mechanism; 5040. a second moving chamber; 5041. a second inner moving plate; 5042. a second limiting block; 5043. a fourth spring; 505. a second limit groove.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1-11, a casting mold capable of effectively improving the casting character code identification quality and the casting efficiency includes an upper mold 1, a lower mold 2 disposed under the upper mold 1, a guide rod 204 disposed on the lower mold 2, and a guide hole 106 disposed on the upper mold 1, the guide hole 106 and the guide rod 204 are disposed in a matching manner, the lower mold 2 is provided with a plurality of injection molding chambers 201, the upper mold 1 is detachably connected with a plurality of upper movable templates 4 matched with the injection molding chambers 201, the upper movable templates 4 are provided with fixed character codes 401 and a plurality of adjusting grooves 403, the adjusting grooves 403 are internally provided with movable character code mechanisms 5, the movable character code mechanisms 5 and the protruding portions of the fixed character codes 401 extend into the injection molding chambers 201, one side wall of the adjusting grooves 403 is provided with a plurality of first limiting mechanisms 404, and the other side wall is provided with a plurality of first auxiliary limiting mechanisms 405;

the movable character code mechanism 5 comprises a plurality of transverse blocks 501, a first character code loose block 502 and a second character code loose block 503, wherein one end wall of each of the transverse blocks 501, the first character code loose block 502 and the second character code loose block 503 is provided with a second limiting mechanism 504 matched with the first auxiliary limiting mechanism 405, the other end wall is provided with a second limiting groove 505 matched with the first limiting mechanism 404, and the second limiting mechanism 504 is matched with the second limiting groove 505.

Move the module on the detachable a plurality of that is connected with on last mould 1, and set up a plurality of removal word mechanism 5 on last removal module, remove word mechanism 5 by a plurality of horizontal piece 501, first word loose piece 502 and second word loose piece 503 constitute, horizontal piece 501 is used for filling the clearance between first word horizontal piece 501 and the adjustment tank 403 and reaches spacing function of connecting simultaneously, when adjusting the installation to the position of first word loose piece 502 and second word loose piece 503, can place corresponding word loose piece in adjustment tank 403 corresponding position department, then fill the clearance through horizontal piece 501 can, can reach the effect of convenient regulation word sequencing and position, and can carry out convenient change after the word wearing and tearing are serious.

The first limiting mechanism 404 includes a first movable chamber 4040 disposed on a side wall of the adjusting groove 403, a first movable plate 4041 disposed in the first movable chamber 4040, a first limiting block 4042 connected to a side wall of the first movable plate 4041, and a second spring 4043 connected to the other side wall of the first movable plate 4041, and one end of the first limiting block 4042 penetrates through the first movable chamber 4040 and extends into the adjusting groove 403.

First supplementary stop gear 405 is including locating first spacing groove 4050 and through-hole 4051 on the another lateral wall of adjustment tank 403, and the one end and the first spacing groove 4050 intercommunication of through-hole 4051, the other end extend to the opposite side outer wall department of supreme movable mould board 4, and the position that the bottom of adjustment tank 403 is close to first spacing groove 4050 is equipped with the recess, and the recess in-connection has third spring 406.

The second stopper mechanism 504 includes a second moving chamber 5040, a second moving plate 5041 provided in the second moving chamber 5040, a second stopper 5042 connected to one side wall of the second moving plate 5041, and a fourth spring 5043 connected to the other side wall of the second moving plate 5041, and the second moving plate 5041 penetrates the second moving chamber 5040.

When installing the character code loose piece, the limiting connection between the first character code loose piece 502 and the transverse piece 501, the limiting connection between the transverse piece 501 and the adjusting groove 403, the limiting connection between the first character code loose piece 502 and the adjusting groove 403, and the limiting connection between the second character code loose piece 503 and the adjusting groove 403 are included, the first character code loose piece 502 and the transverse piece 501 are connected according to the actual position relation during the limiting connection, the second limiting mechanism 504 on the first character code loose piece 502 can be inserted into the second limiting groove 505 on the transverse piece 501, the second limiting mechanism 504 on the transverse piece 501 can be inserted into the second limiting groove 505 on the first character code loose piece 502, similarly, when the specific installation is carried out, the limiting connection between the first limiting mechanism 404 and the second limiting groove 505 can be carried out, the second limiting mechanism 504 can be inserted into the first limiting mechanism 404 for limiting connection, and the working principle of the first limiting mechanism 404 and the second limiting mechanism 504 is the same, the limiting blocks are firstly extruded and pressed into the movable cavities, when the limiting blocks move to the limiting grooves, the springs rebound and push the limiting blocks into the limiting grooves, the limiting grooves can limit the limiting blocks, the limiting connection effect is achieved, when the movable template 4 needs to be taken out of the upper die 1, the ejector pins are inserted into the through holes 4051, the second limiting blocks 5042 located in the first limiting grooves 4050 are pushed into the second movable cavities 5040, the springs are compressed, the second limiting blocks 5042 and the first limiting grooves 4050 are not limited, the third springs 406 can push the transverse blocks 501 or one ends of the first character code movable blocks 502 or the second character code movable blocks 503 up, and the transverse blocks or the first character code movable blocks 502 or the second character code movable blocks 503 are conveniently taken out.

As shown in fig. 5, when the first code movable block 502 is disposed in the middle of the adjusting groove 403, the first transverse block 501 is connected to the first limiting mechanism 404 on the adjusting groove 403, and at this time, the first limiting block 4042 does not need to be squeezed, and the second limiting groove 505 on the transverse block 501 is directly inserted into the first limiting block 4042, and similarly, the space in the adjusting groove 403 is enough for the first code movable block 502 to move, so the second limiting groove 505 on the first code movable block 502 is inserted into the second limiting block 5042 on the transverse block 501, and at this time, the distance between the second limiting block 5042 on the first code movable block 502 and the first limiting groove 4050 on the adjusting groove is not enough for the other transverse block 501 to insert, so the second limiting block 5042 on the first code movable block 502 needs to be squeezed at this time, and the specific process is to press the transverse block 501 into the remaining gap, and at this time, the second limiting block 5042 on the first code movable block 502 is forced and moves into the second moving chamber 5040, at this moment, the second spring 4043 is compressed, and similarly, along with the downward movement of the transverse block 501, the second limit block 5042 on the transverse block 501 is also compressed into the second limit cavity in the transverse block 501 by the casting, until the lower end of the transverse block 501 contacts with the bottom of the adjusting groove 403, the second limit block 5042 on the first character code movable block 502 moves to the second limit groove 505 of the transverse block 501, and is inserted into the second limit groove 505 under the action of the second spring 4043, at this moment, the first character code movable block 502 and the transverse block 501 are in limit connection, and similarly, the second limit block 5042 on the transverse block 501 is inserted into the corresponding first limit groove 4050, and the transverse block 501 and the first auxiliary limit mechanism 405 are in limit connection.

If need be when the position control of first word loose piece 502 is as for the position of adjustment tank 403 lateral wall contact, with above-mentioned installation change for install earlier the horizontal piece 501, at last in the installation first word loose piece 502 can, like the same reason, if need not install first word loose piece 502, then all in proper order install the horizontal piece 501 can, can carry out convenient change and regulation according to the design demand.

The upper end of the upper die 1 is connected with a plurality of outer connecting plates 101, the upper die 1 is provided with a plurality of moving grooves 102 and upper moving template mounting grooves, the moving grooves 102 are communicated with the upper moving template mounting grooves, limiting rods 103 and first springs 104 are arranged in the moving grooves 102, the first springs 104 are sleeved outside the limiting rods 103, the middle parts of the outer connecting plates 101 are provided with penetrating grooves 105 matched with the moving grooves 102, and the upper ends of the limiting rods 103 extend into the penetrating grooves 105; the side wall of the upper moving template mounting groove is provided with a plurality of transverse grooves, the two side walls of the upper moving template 4 are provided with side limiting transverse strips 402 matched with the transverse grooves, and the upper moving template 4 is provided with limiting holes matched with the limiting rods 103.

When the movable template 4 is installed, the movable template 4 is aligned with the installation groove of the upper movable template and inserted, the limiting rod 103 moves downwards under the action of the first spring 104 and is inserted into the limiting hole in the upper movable template 4, the upper movable template 4 is limited at the moment, and the effect of conveniently installing the upper movable template 4 is achieved.

A screw 202 is arranged in the lower die 2, a plurality of lower fixing modules 203 are arranged at the bottom of the injection molding cavity 201, and the lower fixing modules 203 are detachably connected with the screw 202.

The lower extreme of lower mould 2 is equipped with removal stripper plate 3, is connected with a plurality of stripper rod 301 on the removal stripper plate 3, and in one end of stripper rod 301 passed through lower mould 2 and extended to injection moulding cavity 201, a terminal surface of stripper rod 301 and the bottom face parallel and level of injection moulding cavity 201.

The outer wall of the lower die 2 is provided with a plurality of material injection grooves 205, and the plurality of material injection grooves 205 are respectively communicated with the plurality of injection molding cavities 201.

During injection molding, after raw materials are injected into the injection groove 205 and cooled, the upper mold 1 and the lower mold 2 are separated, the stripper plate 3 is moved upwards and drives the stripper rod 301 to move upwards together, and the stripper rod 301 can eject a casting in the injection cavity 201, so that the effect of convenient demolding is achieved.

It should be noted that the code sand core is made of hot core box precoated sand, the precoated sand can be 70/100 meshes, the code marks on the first code loose block 502 and the second code loose block 503 are directly made by a core shooter, and the model of the core shooter can be Z8615.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a can effectively improve foundry goods word sign indicating quality and casting efficiency's casting mold, includes mould (1), locates bed die (2) under mould (1), locates guide arm (204) on bed die (2) and locates guide hole (106) on mould (1), guide hole (106) and guide arm (204) cooperate the setting, its characterized in that: the injection molding device is characterized in that a plurality of injection molding cavities (201) are arranged on the lower mold (2), a plurality of upper movable templates (4) matched with the injection molding cavities (201) are detachably connected to the upper mold (1), fixed character codes (401) and a plurality of adjusting grooves (403) are arranged on the upper movable templates (4), movable character code mechanisms (5) are arranged in the adjusting grooves (403), protruding parts of the movable character code mechanisms (5) and the fixed character codes (401) extend into the injection molding cavities (201), a plurality of first limiting mechanisms (404) are arranged on one side wall of each adjusting groove (403), and a plurality of first auxiliary limiting mechanisms (405) are arranged on the other side wall;

remove word mechanism (5) and include a plurality of horizontal piece (501), first word loose piece (502) and second word loose piece (503), all be equipped with on horizontal piece (501), first word loose piece (502) and second word loose piece (503) the end wall with first supplementary stop gear (405) matched with second stop gear (504), all be equipped with on the other end wall with first stop gear (404) matched with second spacing groove (505), second stop gear (504) and second spacing groove (505) phase-match.

2. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: first stop gear (404) including locate first removal cavity (4040) on adjustment tank (403) a lateral wall, locate first interior movable plate (4041) in first removal cavity (4040), connect first stopper (4042) on first interior movable plate (4041) a lateral wall and connect second spring (4043) on first interior movable plate (4041) another lateral wall, the one end of first stopper (4042) runs through first removal cavity (4040) and extends to in adjustment tank (403).

3. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: first supplementary stop gear (405) is including locating first spacing groove (4050) and through-hole (4051) on another lateral wall of adjustment tank (403), the one end and first spacing groove (4050) intercommunication of through-hole (4051), and the other end extends to the opposite side outer wall department of supreme movable mould board (4), the position that the bottom of adjustment tank (403) is close to first spacing groove (4050) is equipped with the recess, and the recess in-connection has third spring (406).

4. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: the second limiting mechanism (504) comprises a second moving cavity (5040), a second inner moving plate (5041) arranged in the second moving cavity (5040), a second limiting block (5042) connected to one side wall of the second inner moving plate (5041) and a fourth spring (5043) connected to the other side wall of the second inner moving plate (5041), and the second inner moving plate (5041) penetrates through the second moving cavity (5040).

5. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: go up the upper end of mould (1) and be connected with a plurality of outer connecting plate (101), and go up and be equipped with a plurality of shifting chute (102) and go up the shifting formwork mounting groove on mould (1), shifting chute (102) and last shifting formwork mounting groove intercommunication are equipped with gag lever post (103) and first spring (104) in shifting chute (102), and the outside at gag lever post (103) is established in first spring (104) cover, the middle part of outer connecting plate (101) is equipped with and wears groove (105) with shifting chute (102) matched with, and the upper end of gag lever post (103) extends to in wearing groove (105).

6. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 5, is characterized in that: the side wall of the upper moving template mounting groove is provided with a plurality of transverse grooves, the two side walls of the upper moving template (4) are provided with side limiting transverse strips (402) matched with the transverse grooves, and the upper moving template (4) is provided with limiting holes matched with the limiting rods (103).

7. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: the injection molding machine is characterized in that a screw (202) is arranged in the lower die (2), a plurality of lower fixing modules (203) are arranged at the bottom of the injection molding cavity (201), and the lower fixing modules (203) are detachably connected with the screw (202).

8. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: the lower extreme of lower mould (2) is equipped with removal stripper plate (3), is connected with a plurality of stripper rod (301) on removal stripper plate (3), and in the one end of stripper rod (301) passed through lower mould (2) and extended to injection moulding cavity (201), a terminal surface of stripper rod (301) and the bottom face parallel and level of injection moulding cavity (201).

9. The casting mold capable of effectively improving the casting character code identification quality and the casting efficiency according to claim 1, is characterized in that: the outer wall of the lower die (2) is provided with a plurality of injection grooves (205), and the plurality of injection grooves (205) are respectively communicated with the plurality of injection cavities (201).