CN217073177U

CN217073177U - Injection mold for producing automobile parts

Info

Publication number: CN217073177U
Application number: CN202220831611.0U
Authority: CN
Inventors: 刘永宁; 骆秋波; 蒋光武
Original assignee: Shanghai Surini Precision Mould Co ltd
Current assignee: Shanghai Surini Precision Mould Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-29
Anticipated expiration: 2032-04-06

Abstract

The application relates to an injection mold for producing automobile parts, which comprises a frame, a first substrate and a second substrate, wherein the first substrate is connected with the frame in a sliding manner through a first driving piece, the frame is connected with a rail, the second substrate is connected with the rail, thread forming pieces are arranged on two sides of the second substrate, the thread forming pieces are connected with the rail in a sliding manner through second driving pieces, the first substrate, the second substrate and an injection molding cavity is formed between the thread forming pieces, injection molding holes are formed in the first substrate, and the injection molding holes are communicated with the injection molding cavity. The application has the following effects: the first substrate and the thread forming part can respectively slide along the rack and the track to realize sequential die assembly and die opening, so that the product damage caused by the clamping with the special-shaped product can be avoided as much as possible.

Description

Injection mold for producing automobile parts

Technical Field

The application relates to the field of injection molds, in particular to an injection mold for producing automobile parts.

Background

The injection molding is one of the main methods for producing plastic products, and the principle of the injection molding is that granular or powdery raw materials are added into a hopper of an injection machine, the raw materials are heated and melted to be in a flowing state, and the raw materials enter a mold cavity through a nozzle and a pouring system of the mold under the pushing of a screw or a piston of the injection machine, and are hardened and shaped in the mold cavity.

The injection molding is suitable for the field of molding and processing of special-shaped products. The automobile parts are mostly special-shaped products and can be manufactured in an injection molding mode. However, in the process of molding the special-shaped product, each module of the mold is easily clamped with the special-shaped product in the mold opening process of the mold, so that the special-shaped product is damaged, and the product quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to avoid each module of mould and heterotypic product to block and lead to the product impaired as far as possible, this application provides an injection mold of production auto parts.

The application provides a pair of production auto parts's injection mold adopts following technical scheme:

an injection mold for producing automobile parts comprises a frame, a first substrate and a second substrate, wherein the frame is in a long block shape, the first substrate is connected with the rack in a sliding way along the length direction of the rack through a first driving piece so as to realize the connection or separation of the first substrate and the second substrate, the rack is connected with a track, the length direction of the track is vertical to the length direction of the rack, the second substrate is connected with the track, the two sides of the second substrate are respectively provided with a thread forming part, the thread forming parts are connected with the track in a sliding manner along the length direction of the track through a second driving part so as to realize the connection or separation of the thread forming parts and the second substrate, the first base plate, the second base plate and form the chamber of moulding plastics between the screw thread formed part, the hole of moulding plastics has been seted up to the first base plate, mould plastics the hole with mould plastics the chamber intercommunication.

By adopting the technical scheme, when the die is closed, the thread forming piece slides along the rail until the thread forming piece is connected with the second substrate, the first substrate slides along the rack until the first substrate is connected with the second substrate, the first substrate, the second substrate and the thread forming piece form an injection molding cavity at intervals, raw materials enter the injection molding cavity through the injection molding hole for molding, the first substrate slides along the rack to be far away from the second substrate, the thread forming piece slides along the rail to be far away from the second substrate, so that die opening is completed, and the sequential closing and opening of the die for the first substrate and the thread forming piece can avoid each module of the die and a special-shaped product from being clamped to cause damage of the product as much as possible.

Preferably, a plurality of limiting blocks are arranged on one side, facing the first substrate, of the second substrate, a plurality of grooves are formed in one side, facing the second substrate, of the first substrate, the grooves correspond to the limiting blocks one to one, and the limiting blocks are connected with the grooves in an inserting mode when the first substrate is connected with the second substrate.

By adopting the technical scheme, when the mold is closed, each limit block of the second substrate is connected with each groove of the first substrate in an inserting mode, so that the first substrate slides towards the second substrate and is connected with the second substrate, the connection stability and accuracy of the first substrate and the second substrate can be improved, and the quality of the injection molded product after being molded is improved.

Preferably, a molding block is arranged in the injection molding cavity, and the molding block is connected to one side, facing the second substrate, of the first substrate.

By adopting the technical scheme, the molding block can mold the injection molding product so as to realize that the shape of the injection molding product is in a special shape.

Preferably, the second substrate is provided with a sliding hole, a sliding block is connected to the sliding hole in a sliding manner along the length direction, and the sliding block and the molding block form the injection molding cavity at intervals.

Through adopting above-mentioned technical scheme, the sliding block forms heterotypic injection molding chamber with the shaping piece interval, and injection moulding product is the shaping back in the injection molding chamber, and the sliding block can be followed the slip hole length direction and slided in the direction of keeping away from the shaping piece in order to realize the die sinking of mould.

Preferably, the bottom of the sliding block is connected with a limiting plate, one side, far away from the first substrate, of the second substrate is provided with a limiting groove, and when the sliding block is inserted into the sliding hole, the limiting plate is located in the limiting groove.

Through adopting above-mentioned technical scheme, the sliding block slides in the hole that slides when being close to the shaping piece, and when the limiting plate was located the spacing groove, the sliding block stopped sliding, and the hole that slides forms the chamber of moulding plastics with the shaping piece interval, can inject the size in chamber of moulding plastics to this size precision when can improving injection moulding product shaping.

Preferably, a convex block is arranged at the top of the sliding block and is positioned in the injection molding cavity.

By adopting the technical scheme, the convex block can be used for molding the injection molding product so as to realize that the injection molding product is in a special shape.

Preferably, the sliding block is followed the hole of stepping down has been seted up to sliding hole length direction, the hole of stepping down with the chamber intercommunication of moulding plastics, first jack has been seted up on the sliding block lateral wall, first jack with the hole intercommunication of stepping down, the second jack has been seted up to second base plate both sides, the second jack with the hole intercommunication of sliding, thread groove has been seted up to thread forming spare one end, each thread forming spare has been seted up the one end of thread groove passes in proper order the second jack the mutual contact connects behind the first jack and forms the thread forming hole, the thread forming hole with the hole intercommunication of stepping down.

Through adopting above-mentioned technical scheme, the mould is after the compound die, and the one end contact connection that the thread groove was seted up to two thread forming spare, and two thread grooves form a thread forming hole, and the raw materials of moulding plastics gets into in the thread forming hole behind getting into the chamber of moulding plastics to this product that can become to take the screw thread.

Preferably, one end of the sliding block, which is far away from the forming block, is connected with a third driving piece.

By adopting the technical scheme, the third driving piece can drive the sliding block to slide in the sliding hole along the length direction of the sliding hole so as to realize the steps of die opening and die closing corresponding to the sliding hole.

Preferably, an elastic member is arranged on one side of the thread forming members close to the second substrate, and when the thread forming members are in contact connection with each other, the elastic member abuts against the side wall of the second substrate.

Through adopting above-mentioned technical scheme, during the screw thread forming part compound die, the elastic component can play the cushioning effect, can avoid two screw thread forming parts to set up the one end in thread groove collision each other and take place to damage as far as possible, can improve the quality after the injection moulding product shaping.

Preferably, the thread forming part is provided with a spring groove, the length direction of the spring groove is consistent with the sliding direction of the thread forming part, the elastic part adopts a spring, one end of the spring is connected with the bottom wall of the spring groove, and the other end of the spring protrudes out of the spring groove.

Through adopting above-mentioned technical scheme, the spring takes place deformation after with second base plate lateral wall butt to this shrink in to the spring groove, can avoid two screw thread forming parts to offer the tip of thread groove as far as possible and produce the clearance because of the spring, can improve the quality after the injection moulding product shaping.

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

1. when the die is closed, the thread forming part slides along the rail until the thread forming part is connected with the second substrate, the first substrate slides along the rack until the first substrate is connected with the second substrate, the first substrate, the second substrate and the thread forming part form an injection molding cavity at intervals, raw materials enter the injection molding cavity through the injection molding hole for molding, the first substrate slides along the rack to be far away from the second substrate, the thread forming part slides along the rail to be far away from the second substrate, so that die opening is completed, and the sequential closing and opening of the die for the first substrate and the thread forming part can avoid each module of the die from being clamped with a special-shaped product to cause damage of the product as much as possible;

2. when the mold is closed, each limiting block of the second substrate is inserted into each groove of the first substrate, so that the first substrate slides towards the second substrate and is connected with the second substrate, the connection stability and accuracy of the first substrate and the second substrate can be improved, and the quality of an injection molded product after being molded is improved;

3. when the thread forming parts are assembled, the elastic part can play a role in buffering, the situation that one ends of the two thread forming parts, provided with the thread grooves, collide with each other to cause damage can be avoided as much as possible, and the quality of the injection molding product after being molded can be improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an injection mold for producing an automobile part according to an embodiment of the present application.

Fig. 2 is an exploded view of an injection mold for producing an automobile part according to an embodiment of the present disclosure.

Fig. 3 is a schematic partial structural diagram of an injection mold for producing an automobile part according to an embodiment of the present application, which is used for showing a first substrate.

Fig. 4 is a schematic structural diagram of a portion of an injection mold for producing an automobile part according to an embodiment of the present application, which is used for showing a second substrate.

Description of reference numerals:

100. a first substrate; 101. injection molding holes; 102. forming a block; 103. a groove;

200. a second substrate; 201. a sliding hole; 202. a sliding block; 203. a limiting plate; 204. a limiting groove; 205. a bump; 206. a hole of abdication; 207. a first jack; 208. a second jack; 209. a limiting block;

300. a thread forming member; 301. a thread groove; 302. a spring;

400. a frame; 401. a track;

500. and (5) an injection molding cavity.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses an injection mold for producing automobile parts. Referring to fig. 1 and 2, the injection mold for producing the automobile parts includes a frame 400 and a rail 401, the rail 401 is connected to the frame 400, the frame 400 is slidably connected to a first substrate 100, the rail 401 is connected to a second substrate 200, two sides of the second substrate 200 are respectively provided with a thread forming member 300, the thread forming members 300 slide along the rail 401 to be connected to or separated from the second substrate 200, and the first substrate 100 slides along the frame 400 to be connected to or separated from the second substrate 200.

Referring to fig. 1 and 2, the frame 400 is in a long block shape, the first substrate 100 and the second substrate 200 are both in a square block shape, the first substrate 100 is connected to a first driving member, the first driving member is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected to one side of the first substrate 100 away from the second substrate 200. The rail 401 is a round bar, and the two ends of the rail 401, which penetrate through the second substrate 200, are connected with a bar block to limit the second substrate 200. The length direction of the bar is perpendicular to the length direction of the frame 400. The threaded member 300 is slidably connected to the long bar by a second driving member, the second driving member is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected to a side of the threaded member 300 away from the second substrate 200.

After the threaded member 300 and the first substrate 100 are connected to the second substrate 200, the threaded member 300, the first substrate 100 and the second substrate 200 form an injection molding cavity 500. Injection molding hole 101 has been seted up at first base plate 100 top, and injection molding hole 101 communicates with injection molding chamber 500. The bottom of the first substrate 100 is connected with a molding block 102, the molding block 102 is columnar, when the first substrate 100 is connected with the second substrate 200, the molding block 102 is located in the injection molding cavity 500, and the molding block 102 is used for molding an injection molding product.

The second substrate 200 is provided with a sliding hole 201, and the length direction of the sliding hole 201 is the same as the sliding direction of the first substrate 100. The sliding block 202 is connected to the sliding hole 201 in a sliding mode along the length direction of the sliding hole 201, the sliding block 202 is columnar, one end of the sliding block 202 is connected with the convex block 205, the convex block 205 is special-shaped, one end, provided with the convex block 205, of the sliding block 202 penetrates through the sliding hole 201 and then is located in the injection molding cavity 500, and the convex block 205 is used for molding an injection molding product.

The one end that sliding block 202 was equipped with lug 205 has seted up the hole of stepping down 206, and the hole of stepping down 206 length direction is unanimous with sliding block 202 length direction, and the hole of stepping down 206 communicates with injection molding chamber 500. First jack 207 has been seted up to the lateral wall of sliding block 202, and second jack 208 has all been seted up to second base plate 200 both sides, and second jack 208 communicates with sliding hole 201. When the sliding block 202 slides into the sliding hole 201, the first insertion hole 207 is communicated with the second insertion hole 208. One end of the sliding block 202, which is far away from the convex block 205, is connected with a third driving member, the third driving member adopts a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected with the sliding block 202.

One end of the threaded member 300 is rod-shaped and provided with a threaded groove 301, the length direction of the threaded groove 301 is consistent with the length direction of the rack 400, and the end of the threaded member 300 provided with the threaded groove 301 is connected with the second insertion hole 208 in a sliding manner. When the die is closed, the ends of the two thread forming parts 300, which are provided with the thread grooves 301, sequentially pass through the second insertion holes 208 and the first insertion holes 207 and then are connected in a contact manner, the two thread grooves 301 are spliced to form a thread forming hole, and the thread forming hole is communicated with the injection molding cavity 500 to form a threaded product.

One side of the threaded member 300 facing the second substrate 200 is provided with a spring slot, and the length direction of the spring slot is consistent with the sliding direction of the threaded member 300. An elastic part is arranged in the spring groove, the elastic part is a spring 302, one end of the spring 302 is connected with the bottom wall of the spring groove, and the other end of the spring 302 protrudes out of the spring groove. When the ends of the two thread forming members 300, which are provided with the thread grooves 301, are in contact connection with each other, the springs 302 can play a role in buffering, the springs 302 deform after abutting against the side walls of the second substrate 200, and the springs 302 are located in the spring grooves after being compressed and deformed.

Referring to fig. 2 and 3, four grooves 103 are formed on one side of the first substrate 100 facing the second substrate 200, and the four grooves 103 are respectively distributed at four corners of the first substrate 100. The second substrate 200 has four stoppers 209 integrally formed on a side thereof facing the first substrate 100, and the four stoppers 209 are respectively disposed at four corners of the second substrate 200. One side of the second substrate 200 away from the first substrate 100 is provided with a limiting groove 204, and the limiting groove 204 is annular and is communicated with the sliding hole 201.

Referring to fig. 2 and 4, a limiting plate 203 is integrally formed at an end of the sliding block 202 away from the protrusion 205, and when the sliding block 202 slides to the position where the first insertion hole 207 faces and communicates with the second insertion hole 208, the limiting plate 203 is located in the limiting groove 204 to limit the sliding block 202.

The implementation principle of the injection mold for producing the automobile parts in the embodiment of the application is as follows: when the die is closed, one end of the sliding block 202 provided with the lug 205 is inserted into the sliding hole 201 until the limit plate 203 is positioned in the limit groove 204, at this time, the first insertion hole 207 and the second insertion hole 208 are opposite and communicated, the end parts of the two thread forming members 300 provided with the thread grooves 301 are inserted into the second insertion hole 208 and the first insertion hole 207 in sequence and then spliced to form thread forming holes, the first substrate 100 slides towards the second substrate 200 until the limiting block 209 is inserted into the groove 103, the raw materials are injected into the injection molding cavity 500 through the injection molding holes 101, and after the raw materials are molded in the injection molding cavity 500, the mold is opened, the first substrate 100 slides along the frame 400 to be far away from the second substrate 200, the thread forming member 300 slides along the track 401 to be far away from the second substrate 200, the sliding block 202 slides along the sliding hole 201 to be far away from the second substrate 200, therefore, the mold opening is completed, and the first substrate 100, the thread forming member 300 and the sliding block 202 are sequentially closed and opened, so that the phenomenon that each module of the mold is clamped with a special-shaped product to cause damage to the product can be avoided as much as possible.

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. The utility model provides an injection mold of production auto parts which characterized in that: including frame (400), first base plate (100) and second base plate (200), frame (400) are the rectangular block form, first base plate (100) are followed through first driving piece frame (400) length direction with frame (400) slide to be connected in order to realize first base plate (100) with second base plate (200) are connected or separate, frame (400) are connected with track (401), track (401) length direction with frame (400) length direction is perpendicular, second base plate (200) with track (401) are connected, second base plate (200) both sides all are equipped with screw thread formed part (300), screw thread formed part (300) are followed through the second driving piece track (401) length direction with track (401) slide to be connected in order to realize screw thread formed part (300) with second base plate (200) are connected or separate, the first substrate (100), the second substrate (200) and the thread forming part (300) form an injection molding cavity (500) therebetween, the first substrate (100) is provided with an injection molding hole (101), and the injection molding hole (101) is communicated with the injection molding cavity (500).

2. The injection mold for producing automobile parts according to claim 1, characterized in that: a plurality of limiting blocks (209) are arranged on one side, facing the first substrate (100), of the second substrate (200), a plurality of grooves (103) are formed in one side, facing the second substrate (200), of the first substrate (100), the grooves (103) correspond to the limiting blocks (209) one by one, and when the first substrate (100) is connected with the second substrate (200), the limiting blocks (209) are connected with the grooves (103) in an inserted mode.

3. The injection mold for producing automobile parts according to claim 1, characterized in that: a molding block (102) is arranged in the injection molding cavity (500), and the molding block (102) is connected to one side, facing the second base plate (200), of the first base plate (100).

4. An injection mold for producing automotive parts according to claim 3, characterized in that: the second substrate (200) is provided with a sliding hole (201), a sliding block (202) is connected to the sliding hole (201) in a sliding mode along the length direction, and the sliding block (202) and the forming block (102) form the injection molding cavity (500) at intervals.

5. The injection mold for producing automobile parts according to claim 4, wherein: limiting plate (203) is connected with to sliding block (202) bottom, second base plate (200) are kept away from limiting groove (204) have been seted up to one side of first base plate (100), sliding block (202) with when sliding hole (201) are pegged graft, limiting plate (203) are located in limiting groove (204).

6. The injection mold for producing automobile parts according to claim 4, wherein: a convex block (205) is arranged at the top of the sliding block (202), and the convex block (205) is positioned in the injection molding cavity (500).

7. The injection mold for producing automobile parts according to claim 4, wherein: the slider (202) is followed hole of stepping down (206) has been seted up to hole of sliding (201) length direction, hole of stepping down (206) with mould plastics chamber (500) intercommunication, first jack (207) have been seted up on slider (202) lateral wall, first jack (207) with hole of stepping down (206) intercommunication, second jack (208) have been seted up to second base plate (200) both sides, second jack (208) with hole of sliding (201) intercommunication, thread groove (301) have been seted up to thread forming piece (300) one end, each thread forming piece (300) have been seted up the one end of thread groove (301) is passed in proper order second jack (208) the mutual contact connection forms the thread shaping hole behind first jack (207), the thread shaping hole with hole of stepping down (206) intercommunication.

8. The injection mold for producing automobile parts according to claim 4, wherein: and one end of the sliding block (202) far away from the forming block (102) is connected with a third driving piece.

9. The injection mold for producing automobile parts according to claim 1, characterized in that: an elastic piece is arranged on one side, close to the second base plate (200), of the threaded forming piece (300), and when the threaded forming pieces (300) are in contact connection with each other, the elastic piece is abutted to the side wall of the second base plate (200).

10. The injection mold for producing automobile parts according to claim 9, wherein: spring groove has been seted up to screw thread formed part (300), spring groove length direction with screw thread formed part (300) slip direction is unanimous, elastic component adopts spring (302), spring (302) one end with spring groove diapire is connected, spring (302) other end protrusion spring groove sets up.