CN113635522A

CN113635522A - Injection mold for instrument board

Info

Publication number: CN113635522A
Application number: CN202111178950.XA
Authority: CN
Inventors: 黄金申; 干洋洪; 黄洁钦; 黄宏辉; 吴照生
Original assignee: Ningbo Fareast Mould Making Co ltd
Current assignee: Ningbo Fareast Mould Making Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2021-11-12
Anticipated expiration: 2041-10-11
Also published as: CN113635522B

Abstract

The invention discloses an injection mold for an instrument board, which comprises a core plate, a cavity plate and an ejection assembly, wherein a cavity for molding the instrument board is formed between the core plate and the cavity plate: the cavity plate is provided with a glue injection assembly; the ejection assembly comprises an ejector plate, a driving oil cylinder for driving the ejector plate, a straight ejector block arranged on the ejector plate and an ejector rod group; the ejector pin group comprises a straight ejector pin and a movable ejector pin; the movable ejector rod piece comprises an installation block, a middle end, a driving block and a lower end, wherein the middle end is connected in a rotating mode, the driving block is arranged on the installation block, the lower end is connected in a rotating mode, one end of the driving block is connected with the upper end of the driving block in a splicing mode, the ejector rod is arranged on the core plate in a sliding mode, the core plate is arranged on the core plate, the other end of the driving block is close to the driving block, the driving block is arranged on the installation block in a driving mode, and the driving block rotates on the installation block. This application has the setting through activity ejector pin spare and can push up instrument panel from straight kicking block automatically, has reduced the effect of getting a degree of difficulty and having simplified the mould structure of instrument panel.

Description

Injection mold for instrument board

Technical Field

The invention relates to the field of automobile part processing molds, in particular to an injection mold for an instrument board.

Background

Currently, an automobile instrument panel is an assembly for installing various indicating instruments, ignition switches and the like in a cab. The automobile instrument board is generally an integral instrument body and is provided with an installation hole for installing the instrument and a defrosting air port for air outlet; generally, the vehicle instrument panel is designed integrally, and the general instrument panel is formed by integrally injection molding PP materials through an injection mold.

Since the area of the instrument panel of the automobile is large, a plurality of reinforcing ribs are generally provided inside the instrument panel to ensure the structural strength of the entire instrument panel. After the instrument board is molded in the cavity of the mold, the product is ejected out of the cavity through a straight ejector rod or a straight ejector block arranged on the ejector plate.

In view of the above-mentioned related art, the inventor believes that since part of the reinforcing ribs are formed in the forming grooves on the surface of the straight ejector block, and at the same time, the straight ejector rod and the straight ejector block move together when the ejector plate moves, the reinforcing ribs on the straight ejector block are difficult to directly take out, and finally, the product is difficult to take out.

Disclosure of Invention

In order to reduce the difficulty of getting of product, this application provides an injection mold for instrument board.

The application provides an injection mold for instrument board adopts following technical scheme:

an injection mold for an instrument panel, comprising a core plate, a cavity plate and an ejection assembly, wherein a cavity for molding the instrument panel is formed between the core plate and the cavity plate:

a glue injection assembly communicated with the cavity is arranged on the cavity plate;

the ejection assembly comprises an ejector plate arranged on the lower side of the core plate, a driving oil cylinder for driving the ejector plate to move towards the core plate, a straight ejector block and an ejector rod group which are arranged on the ejector plate and are inserted and slid on the core plate;

the ejector pin group comprises a straight ejector pin piece for ejecting the instrument panel from the cavity and a movable ejector pin piece for ejecting the instrument panel from the end face of the straight ejector block;

the movable ejector rod piece is in including setting up installation piece, middle-end rotation on the thimble board are connected drive block, lower extreme rotation on the installation piece are connected drive block one end and upper end are pegged graft and are slided ejector rod on the core board, are fixed on the core board and work as drive when the other end of drive block is close to the drive block is in the actuating lever that rotates on the installation piece.

Through adopting above-mentioned technical scheme, when needs release the instrument board in the die cavity, die cavity board and the mutual separation of core board, then release the die cavity with the instrument board through straight ejector pin spare and straight kicking block on the control thimble board, along with the continuous motion of thimble board, touch the one end of the drive block on the thimble board and set up on the actuating lever on the core board, because the actuating lever is fixed to be set up, and then this actuating lever can force the installation piece to take place to rotate, make the knockout rod of the installation piece other end at the core board rebound, finally make this knockout rod take place to separate instrument board and straight kicking block, so that there is subsequent manipulator direct clamp to get. Through the arrangement of the movable ejector rod piece, the instrument panel can be automatically separated from the straight ejector block without an additional power source, and the difficulty in taking the parts is reduced.

Optionally, the straight ejection block comprises an ejection block inserted and slid on the core plate, and a connecting rod, one end of which is fixed on the ejector plate and the other end of which is connected with the ejection block; the core plate is provided with a guide block, and the ejection block is provided with a guide groove which is limited to slide on the guide block.

By adopting the technical scheme, the straight ejection block is large in structure, so that the guide groove in the ejection block is limited by the guide block, the moving stroke of the ejection block can be effectively ensured, and meanwhile, the ejection block is prevented from falling on the core plate.

Optionally, the glue injection assembly includes a glue injection plate provided with a glue injection port and disposed on the cavity plate, and a plurality of thermal nozzles disposed on the cavity plate and communicated with the glue injection port;

the core plate is provided with a forming sliding block for forming the instrument panel; the forming slide block is provided with a guide hole for the insertion of the hot nozzle, and the tail end of the guide hole is provided with a flow passage hole communicated with the cavity.

Through adopting above-mentioned technical scheme, through setting up a plurality of hot nozzles, can increase the injection volume of the raw and other materials that enter into the die cavity in the unit interval, carry out solitary setting respectively according to actual conditions to the flow on the different hot nozzles simultaneously, and then improve the shaping quality of instrument board. On the other hand, the hot nozzle is arranged on the forming slide block, and the runner gate is arranged at the bottom of the forming slide block, so that the hot nozzle can be positioned during moving, the product can be smoothly filled, and the length of the runner can be shortened. Simultaneously, when the forming slide block is withdrawn, the waste materials in the flow passage hole can be automatically disconnected from the instrument panel.

Optionally, a cooling insert which is wrapped on the outer periphery of the hot nozzle and provided with a cooling water pipe is arranged on the cavity plate.

Through adopting above-mentioned technical scheme, the temperature that every cooling insert that sets up alone can the different hot nozzles of independent control, and then satisfies the required injection temperature in the different positions of instrument board, has higher practicality.

Optionally, a sealing insert which is detachably connected and used for inserting and positioning the hot nozzle is arranged at the tail end of the runner hole.

Through adopting above-mentioned technical scheme, the sealing insert is used for the position of location hot nozzle, has satisfied the demand that this sealing insert need adjust the change simultaneously through the mode of can dismantling the connection, has reduced the manufacturing cost of whole shaping slider. In addition, due to the independent installation, the setting precision of the sealing insert can be effectively and independently adjusted, and the matching precision of the hot nozzle is improved.

Optionally, the forming slide block is provided with a plurality of limiting guide pillars which can be inserted into positioning holes formed in the cavity plate.

Through adopting above-mentioned technical scheme, the setting of spacing guide pillar to the locating hole can avoid hot nozzle excessive grafting in the runner hole, plays the effect of protection hot nozzle.

Optionally, a forming block for forming the defrosting air port is arranged on the forming slide block, and a plurality of rows of L-shaped air outlets are arranged on the forming block.

Through adopting above-mentioned technical scheme, the setting of multirow solitary gas vent can high-efficiently exhaust, avoids the production of wind gap position weld mark, reduces the rejection rate, promotes product strength and appearance quality.

Optionally, a core-pulling slider and a second oil cylinder group are further arranged on the cavity plate, the core-pulling slider is driven to move on the cavity plate, the second oil cylinder group comprises a second oil cylinder and a pulling block arranged on a piston rod of the second oil cylinder, and a guide chute for slidably connecting the upper end of the core-pulling slider is formed in the pulling block.

By adopting the technical scheme, the core-pulling sliding block is controlled by the pulling block on the second oil cylinder group, so that the separation or the molding of the core-pulling sliding block and the instrument panel is realized.

Optionally, a mounting groove for mounting the second cylinder group is formed in the cavity plate, a limiting block for limiting the pushing distance of the drawing block is arranged on one side of the mounting groove, and a travel switch located on one side of the mounting groove is arranged on the drawing block.

Through adopting above-mentioned technical scheme, the setting of stopper can avoid the excessive propulsion of drawing the piece, has also avoided the excessive propulsion of the slider of loosing core on the die cavity board simultaneously. On the other hand, the travel switch is externally arranged in the mounting groove, so that the adjusting difficulty can be reduced.

Optionally, a cooling pipe is arranged on the core-pulling sliding block, and a movable groove for allowing the cooling pipe to move up and down is formed in the cavity plate.

Through adopting above-mentioned technical scheme, the temperature of this slider of loosing core is realized independently controlling in the setting of cooling tube spare. Meanwhile, the movable groove is convenient for the free movement of the cooling pipe fitting in the movable groove on the one hand, and is also convenient for the maintenance, the assembly and the disassembly of the cooling pipe fitting on the other hand.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the instrument panel can be automatically ejected away from the straight ejection block through the arrangement of the movable ejection rod piece, so that the difficulty in taking the instrument panel is reduced, and the structure of the mold is simplified;

2. by providing a plurality of individual thermal nozzles with attached cooling inserts, individual adjustment control of each thermal nozzle is achieved.

Drawings

Fig. 1 is a schematic structural view of an injection mold.

Fig. 2 is a cross-sectional view of an injection mold.

Fig. 3 is a first schematic structural view of a core plate and an ejection assembly.

FIG. 4 is a schematic view of a forming shoe and a heated nozzle.

Fig. 5 is a schematic structural diagram of the glue injection assembly.

Fig. 6 is a schematic structural view of a cavity plate.

FIG. 7 is a schematic view of an installation structure of the core pulling slider and the second cylinder group on the cavity plate.

FIG. 8 is a schematic structural view of the core back slide and the second cylinder group.

FIG. 9 is a cross-sectional schematic view of the core back slide and the second cylinder group.

Fig. 10 is a second schematic structural view of the core plate and the ejection assembly.

Fig. 11 is a schematic structural view of the ejection assembly.

Fig. 12 is an enlarged schematic view of the portion a shown in fig. 2.

Fig. 13 is a schematic structural view of the movable ejector pin members and ejector plate and core plate.

Fig. 14 is a schematic structural view of the movable pin member.

Fig. 15 is a schematic structural diagram of the ejector block and the transverse core-pulling block.

Description of reference numerals: 1. a core plate; 1-1, mounting a plate; 1-2, inserting holes; 1-3, supporting blocks; 2. a cavity plate; 3. ejecting the assembly; 4. a cavity; 5. a glue injection assembly; 5-1, a glue injection pipe; 6. an ejector plate; 6-1, a communicating hole; 7. a driving oil cylinder; 8. a straight top block; 9. a thimble rod group; 10. a straight ejection rod piece; 10-1, a top block; 10-2, straight rods; 11. a movable ejector rod piece; 12. mounting blocks; 13. a drive block; 13-1, a connector; 14. ejecting the rod; 15. a drive rod; 16. ejecting a block; 17. a connecting rod; 18. a guide block; 19. a guide groove; 20. injecting a rubber plate; 20-1, a diversion trench; 21. a glue injection port; 22. a hot nozzle; 23. forming a sliding block; 24. a guide hole; 25. a flow passage hole; 26. cooling the insert; 27. a sealing material insert; 28. a limiting guide post; 29. positioning holes; 30. forming a block; 31. an exhaust port; 32. a core-pulling slide block; 32-1, T-shaped block; 32-2, positioning chutes; 33. a second cylinder group; 34. a second cylinder; 35. drawing the block; 35-1, a movable rod; 35-2, self-locking insert; 36. a guide chute; 37. mounting grooves; 38. a limiting block; 39. a travel switch; 40. cooling the pipe fitting; 41. a movable groove; 42. pushing the oil cylinder; 43. a pushing block; 44. transversely pulling out the core block; 45. an elastic column.

Detailed Description

The present application is described in further detail below with reference to figures 1-15.

The embodiment of the application discloses an injection mold for instrument board. Referring to fig. 1 and 2, the injection mold for the instrument panel sequentially includes a glue injection assembly 5, a cavity plate 2, a core plate 1, and an ejection assembly 3 from top to bottom. A cavity 4 for forming an instrument panel is formed between a cavity plate 2 and a core plate 1, a straight ejector block 8 for forming the panel surface of the instrument panel and ejecting the instrument panel out of the cavity 4 is arranged on the ejection assembly 3, a forming slide block 23 for forming the panel surface of the instrument panel is arranged on the core plate 1, and a core-pulling slide block 32 for forming the shape of a through hole in the instrument panel is arranged on the cavity plate 2.

Referring to fig. 3, two pushing cylinders 42 are arranged on the core plate 1, a pushing block 43 is arranged on a piston rod at the front end of each pushing cylinder 42, the pushing block 43 and the forming slide block 23 are fixed through bolts, and the forming slide block 23 is controlled to be close to or far from the cavity 4 through the pushing cylinders 42. In order to fit the structure of the dashboard, the push cylinder 42 is provided obliquely on the upper end face of the core plate 1.

Referring to fig. 4 and 5, three guide holes 24 are formed in the forming slide 23 for inserting and positioning the hot nozzle 22 in the compound injection assembly 5, and the ends of the guide holes 24 are provided with runner holes 25 communicated with the cavity 4, so that the liquid raw material flowing out of the hot nozzle 22 can directly enter the cavity 4 through the runner holes 25. The glue injection assembly 5 comprises a glue injection plate 20 fixed to the cavity plate 2, a hot nozzle 22 insertable in a guide hole 24 and a glue injection pipe 5-1 directly accessible to the cavity 4. The middle part of the glue injection plate 20 is provided with a glue injection port 21, meanwhile, the inside of the glue injection plate 20 is provided with a diversion trench 20-1 for communicating the glue injection port 21, the glue injection pipe 5-1 and the hot nozzle 22, and liquid is guided to the glue injection pipe 5-1 and the hot nozzle 22 respectively through diversion of the diversion trench 20-1.

Referring to fig. 4, in order to control the discharge temperature of the hot nozzle 22, the cavity plate 2 is provided with a cooling insert 26 wrapped on the outer periphery side of the hot nozzle 22 at a position corresponding to the hot nozzle 22, the cooling insert 26 is fixed to the lower end of the cavity plate 2 through bolts on one hand, and a cooling water pipe is provided on the other hand, the stability of the cooling insert 26 is controlled through the cooling water pipe, and further the temperature of the hot nozzle 22 inserted in the cooling insert 26 is controlled, so that different hot nozzles 22 can be controlled according to different production requirements. Meanwhile, the cooling insert 26 can also be inserted into the forming slide block 23, so that the temperature of the forming slide block 23 can be controlled at the same time, and the forming quality of the forming slide block 23 can be controlled better.

Referring to fig. 4, the forming slide block 23 is further fixed with a sealing insert 27 capable of being penetrated by the heat supply nozzle 22 at the bottom end of the guide hole 24 through a bolt, the material of the sealing insert 27 is the same as that of the forming slide block 23, the detachable connection with the forming slide block 23 is realized through the bolt, the sealing insert 27 plays a role in positioning the heat nozzle 22 on one hand, and also realizes the purpose of convenient maintenance on the other hand, thereby reducing the production difficulty of the whole forming slide block 23.

Referring to fig. 4 and 6, in order to prevent the cooling insert 26 and the hot nozzle 22 from being excessively inserted into the guide hole 24, two limiting guide posts 28 are fixed on the upper end surface of the forming slide 23, and a positioning hole 29 for inserting the limiting guide posts 28 is formed in the cavity plate 2, so that when the cavity plate 2 is clamped on the core plate 1, the limiting guide posts 28 can prevent the hot nozzle 22 from being excessively inserted into the guide hole 24, and a protective effect is achieved.

Returning to fig. 3, the front side of the forming slide block 23 is further provided with a forming block 30 for forming a defrosting air port, the air outlets 31 arranged on the forming block 30 are arranged in an L shape and are provided with a plurality of rows, the flow rate of air is increased through the L shape, and the air exhaust efficiency is improved.

Referring to fig. 7 to 9, core back sliders 32 provided on the cavity plate 2 are provided on both sides of the cavity plate 2 for molding two through holes on the instrument panel, and the core back sliders 32 perform core back movement on the cavity plate 2 by a set of second cylinder groups 33. The cavity plate 2 is provided with a mounting groove 37 for mounting the second oil cylinder group 33, the second oil cylinder group 33 comprises a second oil cylinder 34 fixed on the mounting groove 37 and a pulling block 35 arranged on a piston rod of the second oil cylinder 34, the lower end of the pulling block 35 is provided with a guide chute 36 which is obliquely arranged, and the upper end of the core pulling slide block 32 is provided with a T-shaped block 32-1 which is limited to slide in the guide chute 36. When the second oil cylinder 34 pulls the pulling block 35 to move on the mounting groove 37, the guiding chute 36 is arranged to pull the core pulling slide 32 to passively generate the core pulling on the cavity plate 2.

Referring to fig. 8 and 9, in order to ensure stable operation of the drawing block 35, the cavity plate 2 is provided with a stopper 38 at the front side of the drawing block 35, and the movement of the drawing block 35 beyond the head can be avoided by the stopper 38; meanwhile, a movable rod 35-1 with a travel switch 39 is arranged on one side of the drawing block 35, signals of the moving position of the drawing block 35 can be fed back through the travel switch 39, and then the signals are transmitted to the manipulator for grabbing, and on the other hand, the travel switch 39 is arranged in the mounting groove 37, so that the travel switch 39 can be adjusted conveniently. On the other hand, when the core back slide block 32 is used for forming the instrument panel, the drawing block 35 is provided with a self-locking insert 35-2 in the guide chute 36, the lower end face of the self-locking insert 35-2 is provided with a protrusion protruding from the end face of the guide chute 36, the upper end face of the core back slide block 32 corresponding to the protrusion is provided with a positioning chute 32-2, when the core back slide block 32 is completely inserted into the cavity plate 2, the protrusion on the self-locking insert 35-2 is just positioned on the positioning chute 32-2, and the problem that the core back slide block 32 retreats during production can be effectively solved.

Referring to fig. 7 and 8, the tail end of the core pulling slider 32 is connected with a cooling pipe 40, a part of water pipes of the cooling pipe 40 can be arranged in a movable groove 41 arranged on the cavity plate 2, and the sectional area of the movable groove 41 is larger than that of the cooling pipe 40, so that on one hand, the cooling pipe 40 is convenient to maintain, and on the other hand, the cooling pipe can move together with the core pulling slider 32 in the movable groove 41.

Referring to fig. 10, a mounting plate 1-1 with support blocks 1-3 is arranged below a core plate 1, and an ejector assembly 3 is arranged between the mounting plate 1-1 and the core plate 1 and comprises an ejector plate 6, a straight ejector block 8 and an ejector rod group 9 which are fixed on the ejector plate 6, and a driving oil cylinder 7 which drives the ejector plate 6 to move towards the mounting plate 1-1. The driving oil cylinders 7 are fixed on the periphery of the core plate 1, the number of the driving oil cylinders is four, piston rods of the driving oil cylinders 7 are fixed on the ejector plate 6, the ejector plate 6 is controlled to be close to or far away from the core plate 1 through the operation of the driving oil cylinders 7, and meanwhile, the supporting blocks 1-3 can be provided with protective covers positioned on the periphery of the driving oil cylinders 7 to protect the driving oil cylinders 7.

Referring to fig. 11 and 12, the straight ejector block 8 includes two connecting rods 17 fixed on the ejector plate 6, and an ejector block 16 fixed on the upper ends of the two connecting rods 17, the upper end face of the ejector block 16 faces the cavity 4 and is provided with a plate surface for forming part of the instrument panel, the ejector block 16 is inserted and slid in an insertion hole 1-2 on the core plate 1, a guide block 18 is arranged in the insertion hole 1-2, meanwhile, the end face of the ejector block 16 facing the guide block 18 is provided with a guide groove 19, the ejector block 16 above the guide groove 19 is arranged in a sealing manner, so that the guide block 18 is limited and slid in the guide groove 19, and the ejector block 16 is prevented from falling.

Referring to fig. 11, the ejector pin group 9 includes a plurality of straight ejector pins 10 for directly applying a force to the instrument panel, and a plurality of movable ejector pins 11 disposed on the outer peripheral side of the straight ejector block 8. The straight ejector rod piece 10 comprises an ejector block 10-1 matched with the instrument panel and a straight rod 10-2 connecting the ejector block 10-1 and the ejector plate 6, and when the ejector plate 6 moves, the straight ejector rod piece 10 is controlled to directly eject the abutted instrument panel from the cavity 4.

Referring to fig. 13 and 14, the movable ejector pin member 11 includes a mounting block 12 fixed to the lower surface of the ejector plate 6 by a bolt, a driving block 13 rotatably connected to the mounting block 12 by a pin shaft, an ejector rod 14 having one end rotatably connected to the driving block 13, and a driving rod 15 provided on the core plate 1. Wherein, one end of the driving block 13 close to the ejector rod 14 is provided with a connector 13-1, and simultaneously, in order to enable the ejector rod 14 to do linear motion on the core plate 1, a waist-shaped hole slot is arranged at the connecting position of the ejector rod 14 and the connector to compensate the displacement distance required by the rotation of the driving block 13.

The driving rod 15 is fixed at the lower end of the core plate 1 in an inverted manner, and a communicating hole 6-1 (refer to fig. 11) for the driving rod 15 to penetrate through when the ejector plate 6 is close to the driving rod 15 is arranged on the ejector plate 6, so that when the ejector plate 6 is close to the driving rod 15, the driving rod 15 can apply force to the other end, opposite to the connector 13-1, of the driving block 13 to force the driving block 13 to rotate on the mounting block 12, the driving rod 15 is controlled to continuously move upwards, and further an instrument panel on the straight ejector block 8 is ejected from the surface of the straight ejector block 8, so that a later manipulator can directly grab the instrument panel.

Referring to fig. 15, in order to match the undercut structure in the instrument panel, two sets of transverse core-pulling blocks 44 are further disposed on the ejector block 16, on one hand, the transverse core-pulling blocks 44 are used for forming the undercut structure, on the other hand, elastic columns 45 made of polyurethane material are further disposed on one side of the transverse core-pulling blocks 44, and the arrangement of the elastic columns 45 enables the transverse core-pulling blocks 44 to play a role of accelerating separation of the instrument panel from the ejector block 16 when the ejector block 16 is ejected from the core plate 1, so that the deformation problem of the product is reduced, and the mold structure of the ejector block 16 is optimized.

The implementation principle of the injection mold for the instrument board is as follows: after the core plate 1 and the cavity plate 2 are closed, raw materials are filled into the cavity 4 through a hot nozzle 22 on the glue injection plate 20 and a glue injection pipe 5-1, after the cavity plate 2 is cooled for a certain time, the cavity plate 2 is opened, then a forming slide block 23 on the core plate 1 is withdrawn, after the thimble plate 6 operates, the straight ejector block 8 and the ejector rod group 9 move together, when a driving block 13 in a movable ejector rod 11 in the ejector rod group 9 touches a driving rod 15, the ejector rod 14 continues to move, the instrument panel is directly separated from the surface of the straight ejector block 8, and finally the materials are taken through a manipulator.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An injection mould for an instrument panel, characterized by comprising a core plate (1), a cavity plate (2) and an ejection assembly (3), a cavity (4) for forming the instrument panel being formed between the core plate (1) and the cavity plate (2):

a glue injection assembly (5) communicated with the cavity (4) is arranged on the cavity plate (2);

the ejection assembly (3) comprises an ejector plate (6) arranged on the lower side of the core plate (1), a driving oil cylinder (7) for driving the ejector plate (6) to move towards the core plate (1), a straight ejector block (8) arranged on the ejector plate (6) and inserted and slid on the core plate (1), and an ejector rod group (9);

the ejector pin group (9) comprises a straight ejector pin (10) for ejecting the instrument panel from the cavity (4) and a movable ejector pin (11) for ejecting the instrument panel from the end face of the straight ejector block (8);

activity ejector pin piece (11) is including setting up installation piece (12), middle-end rotation on thimble board (6) are connected drive block (13), lower extreme rotation on installation piece (12) are connected drive block (13) one end and upper end are pegged graft and are slided ejector rod (14) on core board (1), are fixed core board (1) is gone up and is worked as drive block (13) other end drives when being close to drive block (13) are in pivoted actuating lever (15) is gone up in installation piece (12).

2. The injection mold for an instrument panel according to claim 1, characterized in that said straight ejector block (8) comprises an ejector block (16) inserted and slipped on said core plate (1), a connecting rod (17) having one end fixed to said ejector plate (6) and the other end connected to said ejector block (16); the core plate (1) is provided with a guide block (18), and the ejection block (16) is provided with a guide groove (19) which is limited to slide on the guide block (18).

3. The injection mold for instrument panels as claimed in claim 1, characterized in that said glue injection assembly (5) comprises a glue injection plate (20) provided on said cavity plate (2) and having a glue injection opening (21), a plurality of hot nozzles (22) provided on said cavity plate (2) and communicating with said glue injection opening (21);

a forming slide block (23) for forming the instrument panel is arranged on the core plate (1); the forming sliding block (23) is provided with a guide hole (24) for the hot nozzle (22) to be inserted, and the tail end of the guide hole (24) is provided with a flow channel hole (25) communicated with the cavity (4).

4. An injection mold for an instrument panel according to claim 3, wherein the cavity plate (2) is provided with a cooling insert (26) with a cooling water pipe wrapped around the outer periphery of the hot nozzle (22).

5. An injection mold for an instrument panel according to claim 3, wherein the flow passage hole (25) is provided at its distal end with a seal insert (27) detachably attached and into which the hot nozzle (22) is inserted and positioned.

6. An injection mold for an instrument panel as claimed in claim 3, characterized in that said forming slide (23) is provided with a plurality of positioning guide posts (28) which can be inserted into positioning holes (29) provided on said cavity plate (2).

7. The injection mold for an instrument panel as claimed in claim 3, wherein the forming block (23) is provided with a forming block (30) for forming the defrosting port, and the forming block (30) is provided with a plurality of rows of L-shaped exhaust ports (31).

8. The injection mold for the instrument panel according to claim 1, wherein a core-pulling slider (32) for forming an instrument panel through hole and a second cylinder group (33) for driving the core-pulling slider (32) to move on the cavity plate (2) are further arranged on the cavity plate (2), the second cylinder group (33) comprises a second cylinder (34) and a pulling block (35) arranged on a piston rod of the second cylinder (34), and a guide chute (36) for slidably connecting the upper end of the core-pulling slider (32) is arranged on the pulling block (35).

9. The injection mold for an instrument panel as claimed in claim 8, wherein a mounting groove (37) for mounting said second cylinder group (33) is provided on said cavity plate (2), a stopper (38) for limiting a pushing distance of said drawing block (35) is provided on one side of said mounting groove (37), and a stroke switch (39) located on one side of said mounting groove (37) is provided on said drawing block (35).

10. An injection mold for an instrument panel according to claim 8, characterized in that the core back slider (32) is provided with a cooling pipe (40), and the cavity plate (2) is provided with a movable groove (41) for the cooling pipe (40) to move up and down.