CN113442379B

CN113442379B - Injection mold of motormeter installation casing

Info

Publication number: CN113442379B
Application number: CN202110572891.8A
Authority: CN
Inventors: 董绍强
Original assignee: Ningbo Dongfa Plastic Products Co ltd
Current assignee: Ningbo Dongfa Plastic Products Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-07-12
Anticipated expiration: 2041-05-25
Also published as: CN113442379A

Abstract

The invention relates to the technical field of dies and discloses an injection die of an automobile instrument mounting shell, which comprises a concave seat, a pushing die, a fixed die mechanism and a cutting mechanism, wherein the fixed die mechanism comprises a die seat, the surface of the die seat is provided with a die groove, a bulge is arranged in the die groove, the surface wall of the die seat is provided with a knife groove in conduction connection with the die groove, a sealing element is connected in the knife groove in a sliding manner, an extrusion piece is connected in the sealing element in a sliding manner, a push plate is connected in the extrusion piece in a sliding manner, and a telescopic groove is formed in the extrusion piece. According to the invention, through the design of the knife plate and the sealing piece, after the injection molding of the mold is completed, the second push rod can drive the knife plate of the cutting mechanism to cut the leftover materials of the injection molding piece through the knife groove, so that the later reprocessing time can be effectively reduced, the working efficiency is improved, the sealing piece can be opened when the knife plate is cut, the knife groove is blocked and sealed during the injection molding, and the condition that the injection molding residual materials overflow through the knife groove is reduced.

Description

Injection mold of motormeter installation casing

Technical Field

The invention relates to the technical field of molds, in particular to an injection mold for an automobile instrument mounting shell.

Background

The injection mold mainly comprises a female die with a variable cavity and composed of a female die combined substrate, a female die component and a female die combined clamping plate, and a male die with a variable core and composed of a male die combined substrate, a male die component, a male die combined clamping plate, a cavity cut-off component and a side cut-off combined plate. And the coordination change of the male die, the female die and the auxiliary forming system of the die. Can process series plastic parts with different shapes and sizes. The plastic processing industry is associated with plastic molding machines that impart tools of complete configuration and precise dimensions to plastic articles. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of injection molds are also various.

There is certain defect in the injection mold of current most motormeter installation casing when using, do not have fine fretwork position and the hole site of reserving the installation casing, lead to still need to carry out a large amount of work after moulding plastics and cut fretwork position and hole site, the cost when still having improved moulding plastics, it is troublesome to have caused unnecessary, and the mould is moulded plastics the remaining leftover bits and pieces and also can not be fine and get rid of, still need rely on the later stage to carry out cutting process again and just can accomplish the production work of installation casing, certain trouble has further been caused.

Disclosure of Invention

The invention provides an injection mold for an automobile instrument mounting shell, which has the beneficial effects of improving the working efficiency in the production process and reducing the injection cost, and solves the problems that the existing injection mold for most automobile instrument mounting shells in the background art has certain defects when in use, hollow parts and hole sites of the mounting shells are not well reserved, a large amount of work needs to be carried out to cut the hollow parts and the hole sites after injection molding, the cost in injection molding is also improved, unnecessary troubles are caused, leftover materials remained after the injection molding of the mold cannot be well removed, the production work of the mounting shells can be completed only by carrying out cutting processing at a later stage, and certain troubles are further caused.

The invention provides the following technical scheme: an injection mold of an automobile instrument mounting shell comprises a concave seat, a pushing mold, a fixed mold mechanism and a cutting mechanism, wherein the fixed mold mechanism comprises a mold seat, a mold groove is formed in the surface of the mold seat, a bulge is arranged in the mold groove, a cutter groove in conduction connection with the mold groove is formed in the surface wall of the mold seat, a sealing element is connected in the cutter groove in a sliding mode, an extrusion piece is connected in the sealing element in a sliding mode, a push plate is connected in the extrusion piece in a sliding mode, a telescopic groove is formed in the extrusion piece, and an extrusion needle fixedly connected with the push plate is arranged in the telescopic groove in a sliding mode;

the cutting mechanism comprises a T-shaped frame and a sliding rail, a fourth sliding block is slidably connected in the sliding rail, a tool handle is fixedly connected to the surface of the fourth sliding block, a tool plate is fixedly connected to the surface of the tool handle, and a protruding block matched with an extrusion piece and a push plate is fixedly connected to the surface of the tool plate.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: it is fixed through bolt and fixed mould mechanism on the inside bottom plate of spill seat, fixed mould mechanism's surperficial still fixedly connected with gag lever post, two interior table walls of spill seat are fixed with first push rod and second push rod through the bolt respectively, the other end of first push rod is fixed through bolt and promotion mould, and promotes the mould and pass through gag lever post and fixed mould mechanism sliding connection, the other end of second push rod is fixed through bolt and cutting mechanism.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the inner surface of the knife groove is provided with a first sliding groove, the surface of the sealing element is fixedly connected with a first sliding block, the sealing element and the knife groove are connected with each other in a sliding mode through the first sliding block and the first sliding groove, a spring is arranged between the first sliding block and the first sliding groove, the inner surface of the sealing element is provided with a second sliding groove, the surface of the extrusion element is fixedly connected with a second sliding block, the sealing element and the extrusion element are connected with each other in a sliding mode through the second sliding block and the second sliding groove, the spring is arranged between the second sliding block and the second sliding groove, the inner surface wall of the extrusion element is provided with a third sliding groove, the surface wall of the push plate is fixedly connected with a third sliding block, the extrusion element and the push plate are connected with each other in a sliding mode through the third sliding block and the third sliding groove, and the spring is arranged between the third sliding block and the third sliding groove.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the tool grooves are arranged in three numbers, the three tool grooves are respectively distributed on two surface walls and the top of the die seat, and sealing elements are arranged in the three tool grooves.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the three slide rails are respectively distributed at the three tail ends of the T-shaped frame, fourth slide blocks are arranged in the three slide rails and matched with the three cutter grooves, and guide blocks matched with the cutter plates are fixedly connected to the surface of the die seat.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the screw rod is connected in the sliding rail in a rotating mode, the fourth sliding block is in threaded connection with the screw rod, the knob is connected to the fourth sliding block in a rotating mode, and the knob is fixedly connected with the screw rod.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the equal fixedly connected with frame type frame of horizontal both ends slide rail of T type frame, the horizontal end lateral wall fixedly connected with T type draw runner of frame type frame, and two T type draw runners set up relatively, T type spout has been seted up to the both sides wall of mould seat, frame type frame and mould seat pass through T type spout and T type draw runner sliding connection.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the knife plate is internally provided with a reverse flow hole and a forward flow hole in a communicating manner, the forward flow hole is close to the tail end of the knife plate, and the reverse flow hole and the forward flow hole are in communicating connection with the knife handle.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the surface of the sealing element is provided with a vent hole, the vent hole is in conduction connection with the die cavity, and the vent hole is of a half-arc conical structure.

As an alternative to the injection mold of the meter mounting case for an automobile according to the present invention, wherein: the extrusion needle is provided with a plurality of altogether, a plurality of extrusion needle horizontal distribution is in the push pedal, and the interval between two adjacent extrusion needles equals, flexible groove is provided with a plurality of altogether, the flexible groove of a plurality of and a plurality of extrusion needle mutual adaptation.

The invention has the following beneficial effects:

1. this injection mold of motormeter installation casing, through the design of cutting plate and sealing member, after the mould was moulded plastics and is accomplished, the second push rod can drive cutting mechanism's cutting plate and cut the leftover bits of injection molding through the sword groove, can effectively reduce the time of later stage reprocessing, improves work efficiency, and the sealing member can be opened when the cutting plate cutting to block sealedly to the knife groove when moulding plastics, reduce the circumstances that the clout of moulding plastics spills over through the sword groove.

2. This injection mold of motormeter installation casing through bellied design, can effectually reserve the fretwork position and the hole site of mould, reduces the cost of moulding plastics to work efficiency has been improved.

3. This injection mold of motormeter installation casing through the design of extruded article, accomplishes the back at moulding plastics, and the cutting board can drive the lug and promote the extruded article for the extruded article smashes the type extrusion to the corner clout, conveniently discharges to the corner material.

4. This injection mold of motormeter installation casing, through the design of extrusion needle, after the completion of moulding plastics, the cutting board can drive the lug and promote the push pedal for the push pedal drives the extrusion and carries out the sectional type extrusion to the corner clout, has further improved the emission efficiency to the corner material.

5. This injection mold of motormeter installation casing through the design of slide rail, rotates the knob, and the knob drives the fourth slider through the lead screw and carries out the displacement, and the fourth slider drives the cutting board through the handle of a knife and carries out the displacement for this cutting board can carry out the adjusting position according to the length of required reservation leftover bits in the certain limit, has effectively improved cutting mechanism's suitability.

6. This injection mold of motormeter installation casing, through the retrograde flow hole, the design of following current hole and air vent, accomplish the cutting at the corner clout and smash the back, the air pump carries air current to the handle of a knife through the pipe, the handle of a knife carries air current to following current hole and hole against the current respectively, make following current hole and hole against the current blow to air vent and sword inslot respectively, blow off the clout of moulding plastics of remaining in air vent and sword inslot, clear up the mould, and reduce and remain the clout of moulding plastics and cause the influence to the sealed of sword groove and sealing member, and under the air vent effect of half arc taper type structure, can be more convenient to the clout of moulding plastics in the air vent clear away.

7. This injection mold of motormeter installation casing, design through frame type frame and T type spout, drive cutting mechanism at the second push rod and implement the cutting during operation, T type draw runner and T type spout can improve cutting mechanism and fixed die mechanism's horizontal motion, messenger's cutting board that can be better gets into the sword inslot, and under the effect of frame type frame and T type draw runner and T type spout joint, when cutting mechanism does not cut, frame type frame can effectually fix the sealing member and block, improve the sealed effect of sealing member, when the cutting board gets into the sword groove, the second push rod can drive frame simultaneously, make the hollow of sealing member accessible frame adjust the expansion.

8. This injection mold of motormeter installation casing, through the design of guide block, when can making the cutting board adjust, reduce the cutting board can not be fine extrude the sealing member and can not normally get into the condition in sword groove, improve the fault-tolerance when cutting mechanism cuts.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold of an automobile instrument mounting housing according to the present invention.

Fig. 2 is a perspective view of a fixing mold mechanism of an injection mold of an automobile instrument mounting housing according to the present invention.

Fig. 3 is a rear view of a fixing mold mechanism of an injection mold of an automobile instrument mounting housing according to the present invention.

Fig. 4 is a sectional view of a fixing mold mechanism of an injection mold of an automobile instrument mounting housing according to the present invention.

FIG. 5 is a sectional top view of a fixing mold mechanism of an injection mold for an instrument mounting case of an automobile according to the present invention.

Fig. 6 is a side sectional view of a fixing mold mechanism of an injection mold of an automobile instrument mounting housing according to the present invention.

Fig. 7 is an enlarged view of a region a of an injection mold for an instrument mounting case of an automobile according to the present invention.

Fig. 8 is a perspective view of a sealing member of an injection mold of an instrument mounting case for an automobile according to the present invention.

Fig. 9 is a perspective view of an extrusion of an injection mold for an instrument mounting housing of an automobile according to the present invention.

Fig. 10 is a perspective view of an extrusion pin of an injection mold for an automobile instrument mounting case according to the present invention.

Fig. 11 is a perspective view of a cutting mechanism of an injection mold of an automobile instrument mounting housing according to the present invention.

Fig. 12 is a sectional view of a blade plate of an injection mold for an instrument mounting case of an automobile according to the present invention.

Fig. 13 is a schematic view of a slide rail structure of an injection mold of an automobile instrument mounting housing according to the present invention.

In the figure: 1. a concave seat; 2. a first push rod; 3. pushing the mold; 4. a limiting rod; 5. fixing the mold mechanism; 51. a mold base; 52. a die cavity; 53. a T-shaped chute; 54. a seal member; 55. a vent hole; 56. an extrusion; 57. a protrusion; 58. a guide block; 59. a first chute; 510. a first slider; 511. a cutter groove; 512. pushing the plate; 513. a second slider; 514. a second chute; 515. a third slider; 516. a third chute; 517. a telescopic groove; 518. a pressing pin; 6. a cutting mechanism; 61. a T-shaped frame; 62. a slide rail; 63. a knob; 64. a fourth slider; 65. a knife handle; 66. a bump; 67. a cutting board; 68. an upstream orifice; 69. a downstream orifice; 610. a screw rod; 611. a T-shaped slide bar; 612. a frame type frame; 7. a second push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-13, an injection mold for an automobile instrument mounting housing includes a concave seat 1, a pushing mold 3, a fixed mold mechanism 5 and a cutting mechanism 6, where the fixed mold mechanism 5 includes a mold seat 51, a mold cavity 52 is formed on the surface of the mold seat 51, a protrusion 57 is provided in the mold cavity 52, a knife slot 511 in conduction connection with the mold cavity 52 is formed on the surface wall of the mold seat 51, a sealing member 54 is slidably connected in the knife slot 511, an extrusion member 56 is slidably connected in the sealing member 54, a push plate 512 is slidably connected in the extrusion member 56, a telescopic slot 517 is formed in the extrusion member 56, and an extrusion needle 518 fixedly connected with the push plate 512 is slidably arranged in the telescopic slot 517;

the cutting mechanism 6 comprises a T-shaped frame 61 and a sliding rail 62, a fourth sliding block 64 is slidably connected in the sliding rail 62, a tool shank 65 is fixedly connected to the surface of the fourth sliding block 64, a tool plate 67 is fixedly connected to the surface of the tool shank 65, and a projection 66 matched with the extrusion part 56 and used by the push plate 512 is fixedly connected to the surface of the tool plate 67.

In the injection molding process of the mold, through the arrangement of the bulge 57, the hollowed-out part and hole sites of the shell can be effectively reserved, after the injection molding of the mold is completed, the edge and corner excess materials generated in the injection molding of the shell can be cut through the cutter plate 67 entering the cutter groove 511, when the cutter plate 67 enters the cutter groove 511, as the lug 66 is fixedly connected on the cutter plate 67, in the moving process of the cutter plate 67, the lug 66 sequentially pushes the push plate 512 and the extrusion piece 56, so that the push plate 512 firstly drives the extrusion pin 518 to perform sectional extrusion on the edge and corner excess materials, then the extrusion piece 56 performs crushing type extrusion on the edge and corner excess materials, so that the edge and corner materials are conveniently discharged, and under the action of the sealing piece 54, when the cutter plate 67 does not enter the cutter groove 511, the condition that uncooled plastics overflow through the cutter groove 511 in the injection molding process of the mold is reduced, and through the adjustment of the slide rail 62, so that the position of the cutting board 67 can be adjusted within a certain range according to the length of the leftover bits required to be reserved.

Example 2

The embodiment is an improvement made on the basis of embodiment 1, specifically referring to fig. 1, the internal bottom plate of the concave seat 1 is fixed with a fixed mold mechanism 5 through a bolt, the surface of the fixed mold mechanism 5 is also fixedly connected with a limiting rod 4, two internal surface walls of the concave seat 1 are respectively fixed with a first push rod 2 and a second push rod 7 through bolts, the other end of the first push rod 2 is fixed with a push mold 3 through a bolt, the push mold 3 is connected with the fixed mold mechanism 5 through the limiting rod 4 in a sliding manner, and the other end of the second push rod 7 is fixed with a cutting mechanism 6 through a bolt.

Drive fixed mould mechanism 5 and promote mould 3 and do relative axial motion about gag lever post 4 through first push rod 2, make promotion mould 3 and fixed mould mechanism 5 can keep the parallel state of die cavity 52, drive cutting mechanism 6 through second push rod 7 and carry out the translation, make cutting board 67 can get into in the sword groove 511 and carry out cutting work to the leftover bits of moulding plastics.

Example 3

The present embodiment is an improvement made on the basis of embodiment 1, specifically, with reference to fig. 2 to 10, the inner surface of the knife slot 511 is provided with a first sliding slot 59, the surface of the sealing member 54 is fixedly connected with a first sliding block 510, the sealing member 54 and the knife slot 511 are slidably connected through the first sliding block 510 and the first sliding slot 59, a spring is arranged between the first slide block 510 and the first slide groove 59, a second slide groove 514 is arranged on the inner surface of the sealing piece 54, a second slide block 513 is fixedly connected on the surface of the extrusion piece 56, the sealing piece 54 and the extrusion piece 56 are connected with each other in a sliding way through the second slide block 513 and the second slide groove 514, and a spring is arranged between the second sliding block 513 and the second sliding groove 514, a third sliding groove 516 is formed in the inner surface wall of the extrusion piece 56, a third sliding block 515 is fixedly connected to the surface wall of the push plate 512, the extrusion piece 56 and the push plate 512 are connected in a sliding manner through the third sliding block 515 and the third sliding groove 516, and the spring is arranged between the third sliding block 515 and the third sliding groove 516.

When the knife board 67 enters the knife slot 511, the knife board 67 extrudes the sealing part 54, the sealing part 54 elastically slides in the first sliding groove 59 through the first sliding block 510, so that the knife slot 511 is opened by the sealing part 54, at the moment, the knife board 67 can enter the knife slot 511 to perform cutting operation, when the knife board 67 extends into the knife slot 511 for a certain position, the knife board 67 drives the lug 66 to sequentially push the push plate 512 and the extrusion part 56, at the moment, the push plate 512 elastically slides in the third sliding groove 516 through the third sliding block 515, and drives the extrusion needle 518 to perform sectional extrusion on injection molding leftover materials through the telescopic groove 517, and then the lug 66 pushes the extrusion part 56, at the moment, the extrusion part 56 elastically slides through the second sliding block 513 and the second sliding groove 514, so that the 56 performs further crushing operation on the leftover materials, when the cutting of the knife board 67 is separated from the fixed die mechanism 5, drive cutting mechanism 6 through second push rod 7, cutting board 67 breaks away from sword groove 511 this moment, and the spring drives push pedal 512 through third slider 515 and resets, and push pedal 512 drives extrusion needle 518 and resets and get into flexible groove 517, and the spring drives extruded article 56 through second slider 513 and resets, and extruded article 56 resets to in the sealing member 54, and the spring drives sealing member 54 through first slider 510 and resets, and sealing member 54 laminates and closes sword groove 511.

Example 4

The present embodiment is an improvement on embodiment 1, and specifically, in combination with fig. 2 to 6 and 11, three sipes 511 are provided, the three sipes 511 are distributed on two surface walls and a top portion of the mold base 51, and a sealing member 54 is provided in each of the three sipes 511.

Further, three slide rails 62 are arranged, the three slide rails 62 are respectively distributed at three ends of the T-shaped frame 61, fourth slide blocks 64 are arranged in the three slide rails 62 and are matched with the three knife grooves 511, and guide blocks 58 matched with the knife plates 67 are fixedly connected to the surface of the die holder 51.

Through the design of a plurality of cutter grooves 511 and the cutter plate 67, the cutting device is suitable for cutting more injection molding leftover materials, and through the design of the guide block 58, the situation that the cutter plate 67 cannot extrude the sealing element 54 well and cannot enter the cutter grooves 511 normally can be reduced when the cutter plate 67 is adjusted.

Example 5

The present embodiment is an improvement made on the basis of embodiment 5, and specifically, with reference to fig. 11 to 13, a lead screw 610 is rotatably connected in the slide rail 62, the fourth slider 64 is in threaded connection with the lead screw 610, a knob 63 is rotatably connected on the fourth slider 64, and the knob 63 is fixedly connected with the lead screw 610.

Through rotating the knob 63, the knob 63 drives the screw rod 610 to rotate, the screw rod 610 can drive the fourth sliding block 64 to displace, and the fourth sliding block 64 drives the knife board 67 to displace through the knife handle 65, so that the function of adjusting the knife board 67 is achieved.

Example 6

The embodiment is an improvement made on the basis of embodiment 5, specifically, with reference to fig. 1 to 3 and 11, the sliding rails 62 at both horizontal ends of the T-shaped frame 61 are both fixedly connected with a frame 612, the side walls of the horizontal ends of the frame 612 are fixedly connected with T-shaped sliding bars 611, the two T-shaped sliding bars 611 are arranged oppositely, the two side walls of the mold base 51 are provided with T-shaped sliding grooves 53, and the frame 612 and the mold base 51 are slidably connected through the T-shaped sliding grooves 53 and the T-shaped sliding bars 611.

When the second push rod 7 drives the cutting mechanism 6 to perform cutting operation, the horizontal movement of the cutting mechanism 6 and the fixed mold mechanism 5 can be improved through the T-shaped sliding strip 611 and the T-shaped sliding groove 53, and the knife plate 67 can better enter the knife groove 511, under the effect that the frame 612 is clamped with the T-shaped sliding strip 611 and the T-shaped sliding groove 53, when the cutting mechanism 6 does not perform cutting, the frame 612 can effectively fix and block the sealing element 54, so that the sealing effect of the sealing element 54 is improved, when the second push rod 7 pushes the knife plate 67 to enter the knife groove 511, the second push rod 7 can simultaneously drive the frame 612, so that the knife plate 67 extrudes the sealing element 54, and the sealing element 54 can be adjusted and expanded through the hollow part of the frame 612.

Example 7

The present embodiment is an improvement made on the basis of embodiment 4, and specifically, with reference to fig. 2 to 4 and 12, a reverse flow hole 68 and a forward flow hole 69 are formed in the knife plate 67 in a communicating manner, and the forward flow hole 69 is close to the end of the knife plate 67, and the reverse flow hole 68 and the forward flow hole 69 are in a communicating connection with the knife handle 65.

Furthermore, the surface of the sealing element 54 is provided with a vent hole 55, the vent hole 55 is in conduction connection with the die cavity 52, and the vent hole 55 is of a half-arc conical structure.

Still further, the vent hole 55 at the top can be an injection molding hole, and the knife handle 65 is in conduction connection with an external air pump through a conduit.

After the cutting and crushing of the knife board 67, the extruding part 56 and the extruding needle 518 are completed, the air pump is electrically connected with the power supply, the air pump conveys air flow to the knife handle 65 through the guide pipe at the moment, the knife handle 65 conveys air flow to the downstream hole 69 and the upstream hole 68 respectively, so that the downstream hole 69 and the upstream hole 68 blow the vent hole 55 and the knife slot 511 respectively, residual injection molding remainders in the vent hole 55 and the knife slot 511 are blown out, the die is cleaned, the influence of the residual injection molding remainders on the sealing of the knife slot 511 and the sealing part 54 is reduced, and the injection molding remainders in the vent hole 55 can be more conveniently cleaned under the action of the vent hole 55 with a semi-arc conical structure.

Example 8

The embodiment is an improvement made on the basis of embodiment 1, specifically, with reference to fig. 2 to 9, a plurality of extrusion needles 518 are arranged, the plurality of extrusion needles 518 are horizontally distributed on the push plate 512, the distance between two adjacent extrusion needles 518 is equal, a plurality of telescopic grooves 517 are arranged, and the plurality of telescopic grooves 517 and the plurality of extrusion needles 518 are adapted to each other.

Through the design of a plurality of extrusion needles 518, this mould can be better carry out crushing work to the clout of moulding plastics, further is convenient for discharge the clout of moulding plastics.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an injection mold of motormeter installation casing, includes spill seat (1), promotes mould (3), fixed die mechanism (5) and cutting mechanism (6), its characterized in that: the fixed die mechanism (5) comprises a die base (51), a die groove (52) is formed in the surface of the die base (51), a protrusion (57) is arranged in the die groove (52), a knife groove (511) which is in conduction connection with the die groove (52) is formed in the surface wall of the die base (51), a sealing element (54) is connected in the knife groove (511) in a sliding manner, an extrusion piece (56) is connected in the sealing element (54) in a sliding manner, a push plate (512) is connected in the extrusion piece (56) in a sliding manner, a telescopic groove (517) is formed in the extrusion piece (56), and an extrusion needle (518) which is fixedly connected with the push plate (512) is arranged in the telescopic groove (517) in a sliding manner;

the cutting mechanism (6) comprises a T-shaped frame (61) and a sliding rail (62), a fourth sliding block (64) is connected in the sliding rail (62) in a sliding mode, a cutter handle (65) is fixedly connected to the surface of the fourth sliding block (64), a cutter plate (67) is fixedly connected to the surface of the cutter handle (65), a convex block (66) matched with the extrusion piece (56) and the push plate (512) for use is fixedly connected to the surface of the cutter plate (67), and when the cutter plate (67) penetrates into a cutter groove (511) to a certain position, the cutter plate (67) drives the convex block (66) to sequentially push the push plate (512) and the extrusion piece (56);

the knife slot (511) is internally provided with a sealing element (54), the inner surface of the knife slot (511) is provided with a first sliding groove (59), the surface of the sealing element (54) is fixedly connected with a first sliding block (510), the sealing element (54) and the knife slot (511) are in sliding connection through the first sliding block (510) and the first sliding groove (59), a spring is arranged between the first sliding block (510) and the first sliding groove (59), the inner surface of the sealing element (54) is provided with a second sliding groove (514), the surface of the extrusion element (56) is fixedly connected with a second sliding block (513), the sealing element (54) and the extrusion element (56) are in sliding connection through the second sliding block (513) and the second sliding groove (514), a spring is arranged between the second sliding block (513) and the second sliding groove (514), the inner surface wall of the extrusion element (56) is provided with a third sliding groove (516), the surface wall of the push plate (512) is fixedly connected with a third sliding block (515), the extrusion piece (56) is connected with the push plate (512) in a sliding way through a third sliding block (515) and a third sliding groove (516), and a spring is arranged between the third sliding block (515) and the third sliding groove (516);

a screw rod (610) is rotatably connected in the slide rail (62), a fourth slide block (64) is in threaded connection with the screw rod (610), a knob (63) is rotatably connected on the fourth slide block (64), and the knob (63) is fixedly connected with the screw rod (610);

the equal fixedly connected with frame (612) in horizontal both ends slide rail (62) of T type frame (61), the horizontal end lateral wall fixedly connected with T type draw runner (611) of frame (612), and two T type draw runners (611) set up relatively, T type spout (53) have been seted up to the both sides wall of mould seat (51), frame (612) and mould seat (51) are through T type spout (53) and T type draw runner (611) sliding connection.

2. The injection mold of an automobile instrument mounting case according to claim 1, wherein: fix through bolt and fixed mould mechanism (5) on the inside bottom plate of spill seat (1), the surperficial fixedly connected with gag lever post (4) that still goes back of fixed mould mechanism (5), two interior table walls of spill seat (1) are respectively through bolt fastening have first push rod (2) and second push rod (7), the other end of first push rod (2) is fixed through bolt and promotion mould (3), and promotes mould (3) and pass through gag lever post (4) and fixed mould mechanism (5) sliding connection, the other end of second push rod (7) is fixed through bolt and cutting mechanism (6).

3. The injection mold of an automobile instrument mounting case according to claim 1, wherein: the number of the cutter grooves (511) is three, and the three cutter grooves (511) are respectively distributed on two surface walls and the top of the mold base (51).

4. The injection mold of an automobile instrument mounting case according to claim 3, wherein: the three slide rails (62) are arranged, the three slide rails (62) are respectively distributed at the three tail ends of the T-shaped frame (61), fourth slide blocks (64) are arranged in the three slide rails (62) and are matched with the three knife grooves (511), and guide blocks (58) matched with the knife plates (67) in use are fixedly connected to the surface of the die base (51).

5. The injection mold of an automobile instrument mounting case according to claim 1, wherein: the cutter plate (67) is internally provided with a reverse flow hole (68) and a forward flow hole (69) in a communicating manner, the forward flow hole (69) is close to the tail end of the cutter plate (67), and the reverse flow hole (68) and the forward flow hole (69) are in communicating connection with the cutter handle (65).

6. The injection mold of an automobile instrument mounting case according to claim 1, wherein: the surface of the sealing piece (54) is provided with a vent hole (55), the vent hole (55) is in conduction connection with the die cavity (52), and the vent hole (55) is of a half-arc conical structure.

7. The injection mold of an automobile instrument mounting case according to claim 1, wherein: the extrusion needle (518) are provided with a plurality of altogether, a plurality of extrusion needle (518) horizontal distribution is on push pedal (512), and the interval between two adjacent extrusion needles (518) equals, flexible groove (517) are provided with a plurality of altogether, a plurality of flexible groove (517) and a plurality of extrusion needle (518) mutual adaptation.