CN217944160U

CN217944160U - Sprue insert structure of injection mold

Info

Publication number: CN217944160U
Application number: CN202221819090.3U
Authority: CN
Inventors: 郑奔
Original assignee: Dongguan Maya Precision Mould Co ltd
Current assignee: Dongguan Maya Precision Mould Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-02
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a sprue insert structure of an injection mold, relating to the technical field of injection molds; the utility model comprises a lower die body, wherein an upper die body is arranged above the lower die body, the top end of the upper die body is provided with an embedding groove, an embedding block is clamped in the embedding groove, the top end of the embedding block is connected with a sprue part, the top end of the sprue part is clamped with a cleaning device, and the top end of the upper die body is all embedded with a stabilizing component; the stabilizing assembly comprises a fixing rod, and the outer surface of the fixing rod is embedded with the upper die body; the utility model discloses a set up scarf joint groove, scarf joint piece and coupling assembling for the runner spare is more convenient when dismantling the installation, can reduce the working strength of staff when dismantling installation runner spare, and under the effect of the cleaning device who sets up, can be convenient for clear up the inner wall in runner groove after the runner groove uses, avoids influencing injection mold's next work.

Description

Sprue insert structure of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold's runner mold insert structure.

Background

The injection mold is a molding tool for injection and molding, can process workpieces with complex shapes, often uses a gate insert when the injection mold is used, and only needs to replace the insert without replacing the whole injection mold when a gate is damaged when the gate is used, so that the injection mold is more durable.

The prior art has the following problems:

firstly, the sprue parts in the structures are not convenient and fast to disassemble and assemble, so that the working strength of workers in disassembling and assembling the sprue parts is increased;

secondly, the runner grooves in these structures are inconvenient to clean after use, which affects the next work of the whole injection mold.

In view of the above problems, the inventors propose a gate insert structure of an injection mold for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The problems that a pouring gate part is inconvenient to detach and install and a pouring gate groove is inconvenient to clean are solved; an object of the utility model is to provide an injection mold's runner mold insert structure.

In order to solve the technical problem, the utility model adopts the following technical scheme: a sprue insert structure of an injection mold comprises a lower mold body, wherein an upper mold body is arranged above the lower mold body, an embedding groove is formed in the top end of the upper mold body, an embedding block is clamped in the embedding groove, the top end of the embedding block is connected with a sprue part, a cleaning device is clamped at the top end of the sprue part, and stabilizing components are all embedded in the top end of the upper mold body; the stabilizing assembly comprises a fixing rod, the outer surface of the fixing rod is embedded in the upper die body, a pull rod is inserted into the fixing rod, one end of the pull rod penetrates through the fixing rod and is connected with a limiting plate, the other end of the pull rod extends into the fixing rod and is connected with an extrusion plate, the limiting plate is of an inverted L shape, a positioning pin is inserted into the top end of the limiting plate, an expansion spring is sleeved on the outer surface of the fixing rod, one end of the expansion spring is fixedly connected with the inner wall of one side of the fixing rod, the other end of the expansion spring is fixedly connected with the extrusion plate, one end of the extrusion plate, which is opposite to the pull rod, is connected with a connecting block, one end of the connecting block penetrates through the fixing rod and is connected with a stabilizing buckle, and one end of the stabilizing buckle, which is opposite to the connecting block, extends into an embedding groove, and the both ends of scarf joint piece all opened the stable groove that the cooperation was stably detained and is used, when gate spare need be dismantled, can pull out earlier the locating pin on the limiting plate in the stable subassembly, pull the limiting plate again, make the limiting plate drive the pull rod in the dead lever and remove, make the stripper plate extrude expanding spring, at this moment the connecting block will drive stable knot and the stable groove separation on the scarf joint piece, later upwards stimulate gate spare, make scarf joint piece and scarf joint groove separation can dismantle down gate spare, when installing new gate spare, only need insert the scarf joint piece card new in the scarf joint inslot, loosen the pull rod that stimulates again, make stable knot under expanding spring's the effect of rebound force once more with stable groove joint together can accomplish the installation, after the installation, insert the locating pin again and establish into in the dead lever.

Preferably, the cleaning device comprises a sealing cover, a vertical rod is connected to the top end of the sealing cover, a knob is inserted into the top end of the vertical rod, a threaded rod is rotatably connected to the upper inner wall of the vertical rod, the lower end of the knob extends into the vertical rod and is fixedly connected with the threaded rod, a moving rod is sleeved on the outer surface of the threaded rod, a sliding groove is formed in the inner wall of one side of the vertical rod, a sliding block is slidably connected in the sliding groove, the upper portion of one end of the moving rod is fixedly connected with the sliding block, the lower end of the moving rod penetrates through the vertical rod and the sealing cover and is connected with a supporting rod, two ends of the supporting rod are jointly connected with a cleaning disc, a pouring slot which is vertically communicated is formed in the top end of the pouring piece, four buckles are connected to the top end of the pouring piece, and four clamping slots which are matched with the buckles for use are formed in the lower end of the sealing cover, open on the lower inner wall in scarf joint groove has the runner hole that cooperation runner groove used, when the work piece of moulding plastics, can pull the closing cap among the cleaning device, make buckle and draw-in groove separation, then, the liquid of will moulding plastics through runner groove and runner hole pour into last mould body and bed die body in can, when the runner groove after needs are cleared up to the use, the knob can rotate, make the knob drive the threaded rod in the montant and rotate, make the carriage release lever will reciprocate, the slider also can reciprocate in the spout thereupon simultaneously, make the removal of carriage release lever more stable, and when the carriage release lever is reciprocating, will make the bracing piece drive the clearance dish and reciprocate, thereby can clear up the inner wall in runner groove.

Preferably, the radius of the cleaning disc is the same as that of the gate groove, so that the cleaning disc can clean the inner wall of the gate groove conveniently.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a set up stable subassembly, after scarf joint piece and scarf joint groove joint, under the effect of limiting plate, pull rod, expanding spring, stripper plate and connecting block, can make stable knot insert stable inslot and carry out stable fixed to scarf joint piece, this kind of mounting means also is convenient for contact the fixed to scarf joint piece simultaneously to can make runner spare convenient to dismantle the installation, reduced the working strength of staff when dismantling the installation runner spare;

2. the utility model discloses a set up cleaning device, under the effect of knob, threaded rod, spout, slider, carriage release lever and bracing piece wherein, can make the clearance dish can reciprocate along the inner wall in runner groove to clear up the inner wall in runner groove after using, avoid influencing injection mold's next work.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the upper die body, the scarf joint block and the pouring gate piece of the present invention.

Fig. 3 is a sectional view of the connection assembly of the present invention.

Fig. 4 is a schematic structural view of the cleaning device of the present invention.

Fig. 5 is a sectional view of a part of the structure of the cleaning device of the present invention.

In the figure: 1. a lower die body; 2. a stabilizing assembly; 3. a cleaning device; 4. a gate member; 5. a scarf block; 6. an upper die body; 21. fixing the rod; 22. connecting blocks; 23. a stabilizing buckle; 24. a pressing plate; 25. a tension spring; 26. a limiting plate; 27. a pull rod; 28. positioning pins; 31. sealing the cover; 32. a knob; 33. a vertical rod; 34. cleaning the disc; 35. a support bar; 36. a threaded rod; 37. a chute; 38. a slider; 39. a travel bar; 41. a gate groove; 42. buckling; 51. a stabilizing slot; 61. a sprue hole; 62. and (4) embedding the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1-3, the utility model provides a gate insert structure of an injection mold, which comprises a lower mold body 1, an upper mold body 6 is arranged above the lower mold body 1, an embedding groove 62 is arranged at the top end of the upper mold body 6, an embedding block 5 is clamped in the embedding groove 62, the top end of the embedding block 5 is connected with a gate piece 4, a cleaning device 3 is clamped at the top end of the gate piece 4, and a stabilizing component 2 is embedded at the top end of the upper mold body 6; the stabilizing component 2 comprises a fixing rod 21, the outer surface of the fixing rod 21 is embedded with the upper die body 6, a pull rod 27 is inserted into the fixing rod 21, one end of the pull rod 27 penetrates through the fixing rod 21 and is connected with a limiting plate 26, the other end of the pull rod 27 extends into the fixing rod 21 and is connected with an extrusion plate 24, an expansion spring 25 is sleeved on the outer surface of the fixing rod 21, one end of the expansion spring 25 is fixedly connected with the inner wall of one side of the fixing rod 21, the other end of the expansion spring 25 is fixedly connected with the extrusion plate 24, one end of the extrusion plate 24, which is opposite to the pull rod 27, is connected with a connecting block 22, one end of the connecting block 22 penetrates through the fixing rod 21 and is connected with a stabilizing buckle 23, one end of the stabilizing buckle 23, which is opposite to the connecting block 22, extends into an embedding groove 62, and the two ends of the embedding block 5 are both matched with stabilizing grooves 51 used by the stabilizing buckle 23, when the sprue part 4 needs to be disassembled, the positioning pin 28 on the limiting plate 26 in the stabilizing component 2 can be pulled out firstly, then the limiting plate 26 is pulled, the limiting plate 26 drives the pull rod 27 in the fixing rod 21 to move, the extruding plate 24 extrudes the telescopic spring 25, at this time, the connecting block 22 drives the stabilizing buckle 23 to be separated from the stabilizing groove 51 on the embedding block 5, then the sprue part 4 is pulled upwards, the embedding block 5 is separated from the embedding groove 62 to disassemble the lower sprue part 4, when the new sprue part 4 is installed, only the new embedding block 5 needs to be clamped into the embedding groove 62, then the pulled pull rod 27 is loosened, the stabilizing buckle 23 is connected with the stabilizing groove 51 again under the effect of the rebounding force of the telescopic spring 25 to complete the installation, and after the installation, the positioning pin 28 is inserted into the fixing rod 21.

The limiting plate 26 is of an inverted L shape, and a positioning pin 28 is inserted at the top end of the limiting plate 26.

By adopting the technical scheme, the positioning pin 28 is used, so that the stabilizing buckle 23 can be more stable after being inserted into the stabilizing groove 51.

The top end of the gate piece 4 is provided with a gate groove 41 which is through up and down, the top end of the gate piece 4 is connected with four buckles 42, and the lower end of the sealing cover 31 is provided with four clamping grooves which are matched with the buckles 42 for use.

By adopting the above technical solution, the cover 31 can block the gate groove 41 when the gate piece 4 is not used.

The lower inner wall of the scarfing groove 62 is provided with a sprue hole 61 used in cooperation with the sprue groove 41.

Through adopting above-mentioned technical scheme, the work piece of moulding plastics is convenient for carry out in the setting of runner hole 61.

Example two: as shown in fig. 4-5, the cleaning device 3 includes a sealing cover 31, a vertical rod 33 is connected to the top end of the sealing cover 31, a knob 32 is inserted into the top end of the vertical rod 33, a threaded rod 36 is rotatably connected to the upper inner wall of the vertical rod 33, the lower end of the knob 32 extends into the vertical rod 33 and is fixedly connected to the threaded rod 36, a moving rod 39 is sleeved on the outer surface of the threaded rod 36, the lower end of the moving rod 39 penetrates through the vertical rod 33 and the sealing cover 31 and is connected to a support rod 35, and both ends of the support rod 35 are commonly connected to a cleaning disc 34.

By adopting the technical scheme, the cleaning disc 34 cleans the gate piece 4, so that the injection mold can work quickly for the next time.

A sliding groove 37 is formed in the inner wall of one side of the vertical rod 33, a sliding block 38 is connected in the sliding groove 37 in a sliding manner, and the upper part of one end of a moving rod 39 is fixedly connected with the sliding block 38.

By adopting the technical scheme, the sliding grooves 37 and the sliding blocks 38 are arranged, so that the movement of the moving rod 39 is more stable.

The radius of the cleaning disc 34 is the same as the radius of the gate groove 41.

Through adopting above-mentioned technical scheme for the inner wall of runner groove 41 is easily cleared up.

The working principle is as follows: when the sprue part 4 is required to be disassembled, the positioning pin 28 on the limiting plate 26 in the stabilizing component 2 can be pulled out firstly, then the limiting plate 26 is pulled, the limiting plate 26 drives the pull rod 27 in the fixing rod 21 to move, the extrusion plate 24 extrudes the telescopic spring 25, the connecting block 22 drives the stabilizing buckle 23 to be separated from the stabilizing groove 51 on the embedding block 5, then the sprue part 4 is pulled upwards, the embedding block 5 is separated from the embedding groove 62, the sprue part 4 can be disassembled, when the new sprue part 4 is assembled, only the new embedding block 5 needs to be clamped into the embedding groove 62, then the pulled pull rod 27 is loosened, the stabilizing buckle 23 is clamped with the stabilizing groove 51 under the effect of the rebound force of the telescopic spring 25 again, and the assembly can be completed, after the installation, insert locating pin 28 again and establish into dead lever 21, when moulding plastics the work piece, can stimulate closing cap 31 among the cleaning device 3, make buckle 42 and draw-in groove separation, then, the liquid of moulding plastics pours into in last mould body 6 and the bed die body 1 through runner groove 41 and runner hole 61 can, when the runner groove 41 after needs are cleared up after using, rotatable knob 32, make knob 32 drive the threaded rod 36 in montant 33 and rotate, make the carriage release lever 39 reciprocate, slider 38 also can reciprocate in spout 37 thereupon, make the removal of carriage release lever 39 more stable, and when carriage release lever 39 is reciprocating, will make bracing piece 35 drive clearance dish 34 and reciprocate, thereby can clear up the inner wall of runner groove 41.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an injection mold's runner mold insert structure, includes lower mould body (1), its characterized in that: an upper die body (6) is arranged above the lower die body (1), an embedding groove (62) is formed in the top end of the upper die body (6), an embedding block (5) is clamped in the embedding groove (62), the top end of the embedding block (5) is connected with a sprue part (4), a cleaning device (3) is clamped at the top end of the sprue part (4), and stabilizing components (2) are all embedded in the top end of the upper die body (6);

stabilize subassembly (2) and include dead lever (21), the surface and the last mould body (6) of dead lever (21) scarf joint mutually, it is equipped with pull rod (27) to alternate in dead lever (21), the one end of pull rod (27) runs through dead lever (21) and is connected with limiting plate (26), and the other end of pull rod (27) extends to in dead lever (21) and is connected with stripper plate (24), telescopic spring (25) have been cup jointed to the surface of dead lever (21), one end of telescopic spring (25) and one side inner wall fixed connection of dead lever (21), and the other end and stripper plate (24) fixed connection of telescopic spring (25), the one end of stripper plate (24) dorsad pull rod (27) is connected with connecting block (22), the one end of connecting block (22) runs through dead lever (21) and is connected with and stabilizes knot (23), stabilize the one end of detaining (23) dorsad connecting block (22) and extend to in scarf joint groove (62), and the stable groove (51) that the use of detaining (23) are all opened to the cooperation in the both ends of scarf joint block (5).

2. The gate insert structure of an injection mold according to claim 1, wherein the retainer plate (26) is of an inverted "L" shape, and a positioning pin (28) is inserted at a top end of the retainer plate (26).

3. The gate insert structure of an injection mold according to claim 1, wherein the cleaning device (3) comprises a sealing cover (31), the top end of the sealing cover (31) is connected with a vertical rod (33), a knob (32) is inserted into the top end of the vertical rod (33), a threaded rod (36) is rotatably connected to the upper inner wall of the vertical rod (33), the lower end of the knob (32) extends into the vertical rod (33) and is fixedly connected with the threaded rod (36), a moving rod (39) is sleeved on the outer surface of the threaded rod (36), the lower end of the moving rod (39) penetrates through the vertical rod (33) and the sealing cover (31) and is connected with a supporting rod (35), and the two ends of the supporting rod (35) are jointly connected with a cleaning disc (34).

4. The gate insert structure of an injection mold according to claim 3, wherein a sliding groove (37) is formed on an inner wall of one side of the vertical rod (33), a sliding block (38) is slidably connected in the sliding groove (37), and an upper portion of one end of the moving rod (39) is fixedly connected with the sliding block (38).

5. The gate insert structure of an injection mold according to claim 3, wherein the top end of the gate member (4) is provided with a gate groove (41) which is through from top to bottom, the top end of the gate member (4) is connected with four fasteners (42), and the lower end of the cover (31) is provided with four fastening grooves which are matched with the fasteners (42).

6. The gate insert structure of an injection mold according to claim 5, wherein the lower inner wall of the engagement groove (62) is formed with a gate hole (61) for use with the gate groove (41).

7. The gate insert structure of an injection mold according to claim 5, wherein the radius of the cleaning disc (34) is the same as the radius of the gate groove (41).