CN219522925U - Injection mold for sliding rail of vehicle seat - Google Patents

Abstract

The utility model relates to the technical field of molds, in particular to a vehicle seat slide rail injection mold which comprises a movable mold and a fixed mold, wherein a cavity is formed in one side wall of the movable mold, an inner cavity is formed in the movable mold, and a stripping mechanism is arranged in the inner cavity. Be provided with the heating ring on annotating the material hole lateral wall, can prevent to annotate the inside material of material hole and solidify and produce the jam, and because of being provided with the separation mechanism of preventing the jam, after the completion of moulding plastics, the shrink of second push rod is with the rack pull-up, make the drive wheel drive second drive wheel rotate, and then make first drive wheel drive interior pole rotate, the intercommunicating pore staggers with the connecting hole, the connecting hole separates with annotating the material Kong Zu, can prevent that the material in the connecting hole and annotate material hole tip material solidification adhesion together when the cooling, and before interior pole rotates, the extension of third push rod upwards promotes the shutoff, make the shutoff get into inside material extrusion with the intercommunicating pore, can prevent that the inside material of intercommunicating pore from solidifying and arousing the jam, thereby the production efficiency of moulding plastics has been improved.

Description

Injection mold for sliding rail of vehicle seat

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold for a sliding rail of a vehicle seat.

Background

Along with the development of society, the automobile gradually goes into every family, and in order to adapt to the demands of different consumer body types and habits, the automobile seat generally has a front-back adjustment function, and in order to realize the front-back adjustment function of the seat, the function of a seat slide rail is indispensable. At present, manufacturers adopt injection molding production when the accessories of the vehicle seat slide rail are produced, molten materials are injected into the injection hole of the die through the injection pipe and then flow into the die cavity for cooling and forming, but in actual production, if the materials in the injection hole are also cooled and solidified, blockage can be caused to influence injection molding, and if the materials are adhered to the accessories of the vehicle seat slide rail, the demoulding of formed workpieces can be influenced.

Disclosure of Invention

The utility model aims to provide an injection mold for a sliding rail of a vehicle seat, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vehicle seat slide rail injection mold, is including movable mould and cover half, be provided with the die cavity on a movable mould lateral wall, the inside of movable mould is provided with the inner chamber, the intracavity is provided with takes off material mechanism, the inside of cover half is provided with annotates the material hole, annotate the material hole lateral wall and be provided with the heating ring, annotate the material hole and be connected with the connecting hole, the connecting hole is connected with the separation mechanism of preventing blockking up.

Preferably, the movable mould is slidably mounted in the guide rail, and the left end of the movable mould is connected with a driving assembly.

Preferably, the stripping mechanism comprises a movable plate, a plurality of ejector rods are arranged on one side wall of the movable plate, the ejector rods extend to the die cavity, and the other side wall of the movable plate is fixedly connected with a first push rod.

Preferably, the fixed die is fixed on the mounting plate, and the material injection hole is connected with the material injection pipe.

Preferably, the separation mechanism comprises an inner rod, two cavities are formed in the inner part of the fixed mold, the inner rod is rotatably arranged in one cavity, the inner rod penetrates through the connecting hole, a communication hole is formed in the bottom end of the inner rod, a first driving wheel is arranged at the upper end of the inner rod, a second push rod is arranged in the other cavity, the end part of the second push rod is connected with a rack, a cross rod is rotatably arranged between the two cavities, one end of the cross rod is provided with a second driving wheel, the second driving wheel is connected with the first driving wheel in a meshed mode, and a driving wheel is arranged at the other end of the cross rod and connected with the rack in a meshed mode.

Preferably, the bottom of interior pole is provided with the kerve, and the kerve is linked together with the intercommunicating pore, and the inslot slides and is provided with the shutoff piece, and the bottom of shutoff piece rotates and is connected with the third push rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the injection mold for the vehicle seat slide rail, the stripping mechanism is arranged, after the accessory of the vehicle seat slide rail is molded, the movable mold moves leftwards to separate the molds, and then the first push rod stretches to push the movable plate, so that the ejector rod ejects a molded product out of the cavity, and the demolding is more convenient;

2. be provided with the heating ring on annotating the material hole lateral wall, can prevent to annotate the inside material of material hole and solidify and produce the jam, and because of being provided with the separation mechanism of preventing the jam, after the completion of moulding plastics, the shrink of second push rod is with the rack pull-up, make the drive wheel drive second drive wheel rotate, and then make first drive wheel drive interior pole rotate, the intercommunicating pore staggers with the connecting hole, the connecting hole separates with annotating the material Kong Zu, can prevent that the material in the connecting hole and annotate material hole tip material solidification adhesion together when the cooling, and before interior pole rotates, the extension of third push rod upwards promotes the shutoff, make the shutoff get into inside material extrusion with the intercommunicating pore, can prevent that the inside material of intercommunicating pore from solidifying and arousing the jam, thereby the production efficiency of moulding plastics has been improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: the device comprises a movable die 1, a fixed die 2, a die cavity 3, an inner cavity 4, a movable plate 5, a first push rod 6, a push rod 7, a material injection hole 8, a heating ring 9, a connecting hole 10, an inner rod 11, a communication hole 12, a first driving wheel 13, a cross rod 14, a second driving wheel 15, a driving wheel 16, a second push rod 17, a rack 18, a bottom groove 19, a blocking block 20 and a third push rod 21.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a vehicle seat slide rail injection mold, including movable mould 1 and cover half 2, movable mould 1 slidable mounting is in the guide rail, be provided with the guide way on the guide rail, be provided with the gliding guide block in the embedded guide way on the movable mould 1, the left end of movable mould 1 is connected with drive assembly, equipment such as cylinder, hydro-cylinder, but traction movable mould 1 stable lateral shifting, movable mould 1 and cover half 2 are the structure of assembling, be provided with die cavity 3 on one lateral wall of movable mould 1, the die cavity 3 is used for the shaping of vehicle seat slide rail accessory, its shape is according to the shape of vehicle seat slide rail accessory, the inside of movable mould 1 can be provided with cooling body, there are many forms's cooling scheme under the prior art, for the comparatively mature prior art in the field, so need not be repeated, the inside of movable mould 1 is provided with inner chamber 4, be provided with the mechanism that takes off in the inner chamber 4, take off the material mechanism including fly leaf 5, be provided with several ejector pins 7 on one lateral wall of fly leaf 5, ejector pin 7 extends to die cavity 3 department, the other lateral wall of fly leaf 5 fixedly connected with first push rod 6.

The inside of cover half 2 is provided with annotates material hole 8, annotates material hole 8 lateral wall and is provided with heating ring 9, annotates material hole 8 and is connected with connecting hole 10, and cover half 2 is fixed on the mounting panel, annotates material hole 8 and notes material pipe and be connected, annotates the material that the material pipe can pour into annotates material hole 8, then can get into the inside of die cavity 3 through connecting hole 10, and connecting hole 10 is connected with the separation mechanism of anti-clogging.

The blocking mechanism comprises an inner rod 11, two cavities are formed in the inner part of a fixed mold 2, the inner rod 11 is rotatably arranged in one cavity, the inner rod 11 penetrates through a connecting hole 10, a communicating hole 12 is formed in the bottom end of the inner rod 11, the communicating hole 12 and the connecting hole 10 are aligned to be in a conducting state when injection molding is conducted, materials can circulate, when the inner rod 11 rotates for a certain angle, the communicating hole 12 and the connecting hole 10 are staggered to block materials at two ends, a first driving wheel 13 is arranged at the upper end of the inner rod 11, a second push rod 17 is arranged in the other cavity, the end part of the second push rod 17 is connected with a rack 18, a cross rod 14 is rotatably arranged between the two cavities, one end of the cross rod 14 is provided with a second driving wheel 15, the second driving wheel 15 is in meshed connection with the first driving wheel 13, the other end of the cross rod 14 is provided with a driving wheel 16, the driving wheel 16 is in meshed connection with the rack 18, a bottom groove 19 is formed in the bottom of the inner rod 11, the bottom groove 19 is communicated with the communicating hole 12, a blocking block 20 is slidably arranged in the bottom of the bottom groove 19, and a third push rod 21 is rotatably connected to the bottom of the blocking block 20.

Because the material removing mechanism is arranged, after the accessory of the vehicle seat sliding rail is molded, the movable mould 1 moves leftwards to separate the moulds, a part of materials in the connecting hole 10 are solidified and then are connected with the product, the subsequent removal is needed, because the friction force of the connecting hole 10 to the product is smaller than that of the cavity 3 to the product, the molded product can move along with the movable mould 1, then the first push rod 6 stretches to push the movable plate 5, and then the ejector rod 7 ejects the molded product out of the cavity 3, so that the demolding is more convenient.

The heating ring 9 is arranged on the side wall of the material injection hole 8, the material inside the material injection hole 8 can be prevented from being blocked, and the blocking mechanism for preventing blocking is arranged, after injection molding is completed, the second push rod 17 contracts to pull the rack 18 upwards, so that the driving wheel 16 drives the second driving wheel 15 to rotate, the first driving wheel 13 drives the inner rod 11 to rotate, the communication hole 12 and the connecting hole 10 are staggered, the connecting hole 10 is separated from the material injection hole 8, the material inside the connecting hole 10 and the material at the end part of the material injection hole 8 are prevented from being solidified and adhered together during cooling, after mold separation, no molten material overflows, and before the inner rod 11 rotates, the third push rod 21 stretches to push the blocking block 20 upwards, so that the blocking block 20 enters the inside of the communication hole 12 to extrude the material inside the communication hole 12, the material inside the communication hole 12 can be prevented from being solidified to be blocked, and the two ends of the communication hole 12 have tiny residues, the left end can be removed along with products, the subsequent heating of the material inside the material injection hole 8 can not be influenced, and the production efficiency of injection molding is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a vehicle seat slide rail injection mold, is including movable mould (1) and cover half (2), its characterized in that: a cavity (3) is formed in one side wall of the movable die (1), an inner cavity (4) is formed in the movable die (1), a stripping mechanism is arranged in the inner cavity (4), a material injection hole (8) is formed in the fixed die (2), a heating ring (9) is arranged on the side wall of the material injection hole (8), a connecting hole (10) is connected with the material injection hole (8), and an anti-blocking mechanism is connected with the connecting hole (10);

the blocking mechanism comprises an inner rod (11), two cavities are formed in the inner part of the fixed die (2), the inner rod (11) is rotatably arranged in one cavity, the inner rod (11) penetrates through a connecting hole (10), a communication hole (12) is formed in the bottom end of the inner rod (11), a first transmission wheel (13) is arranged at the upper end of the inner rod (11), a second push rod (17) is arranged in the other cavity, a rack (18) is connected to the end of the second push rod (17), a cross rod (14) is rotatably arranged between the two cavities, one end of the cross rod (14) is provided with a second transmission wheel (15), the second transmission wheel (15) is in meshed connection with the first transmission wheel (13), a driving wheel (16) is in meshed connection with the rack (18), a bottom groove (19) is formed in the bottom of the inner rod (11), the bottom groove (19) is communicated with the communication hole (12), a blocking block (20) is slidably arranged in the bottom of the bottom groove (19), and a third push rod (21) is rotatably connected to the bottom of the blocking block (20).

2. The vehicle seat slide injection mold of claim 1, wherein: the movable die (1) is slidably mounted in the guide rail, and the left end of the movable die (1) is connected with a driving assembly.

3. The vehicle seat slide injection mold of claim 1, wherein: the material removing mechanism comprises a movable plate (5), a plurality of ejector rods (7) are arranged on one side wall of the movable plate (5), the ejector rods (7) extend to the die cavity (3), and a first push rod (6) is fixedly connected with the other side wall of the movable plate (5).