CN114454420B

CN114454420B - Injection mold for automobile parts

Info

Publication number: CN114454420B
Application number: CN202210183987.XA
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Guangdong Maiya Plastic Co ltd
Current assignee: Guangdong Maiya Plastic Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2023-09-08
Anticipated expiration: 2042-02-28
Also published as: CN114454420A

Abstract

The invention relates to the technical field of automobile part production, in particular to an injection mold for automobile parts. The machine frame and the die are matched, so that the matching of the injection molding head and the injection molding hole can be ensured, the two are prevented from deviating, the designed detection mechanism can detect whether the injection molding head is tightly matched after being inserted into the injection molding hole, the height difference is converted into the rotating angle difference through the double screw rod, and the detection precision of the detector is indirectly improved. Has compact structure and detection function.

Description

Injection mold for automobile parts

Technical Field

The invention relates to the technical field of automobile part production, in particular to an injection mold for automobile parts.

Background

In the production process of automobile parts, the mode of adopting an injection molding method to produce is more and more widespread, an injection mold comprises a female mold and a male mold, and a cavity for molding an injection product is formed when the female mold and the male mold are assembled. However, in the injection molding process, in order to pursue efficiency, injection molding operations are often performed on a plurality of molds at the same time, so that position errors occur between the plurality of molds in the injection molding process to affect the injection molding effect, and it is necessary to design a mold that can assist in aligning and detecting whether the injection head and the injection hole are closely attached.

Disclosure of Invention

In view of the above-mentioned shortcomings of the background art, an object of the present invention is to provide an injection mold for automobile parts.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides an injection mold for auto parts, includes frame, mould and detection mechanism, the frame includes the lower base, is provided with four array distribution's support column on the lower base, and support column upper end threaded connection has the nut, and the support column is close to the position fixing of upper end and has spacing platform, is fixed with two plain type sliding columns that distribute on the base, and the sliding column upper end is provided with the sliding sleeve that resets, and the base is gone up to fixedly connected with on the sliding sleeve that resets, and upper base upper surface middle part is provided with the connecting block, and upper base lower surface is provided with the cassette, and upper base both sides are opened there is the mounting hole.

Further, the mould is including setting up two bed dies on the lower base, and the bed die upper surface is provided with the hole of moulding plastics, and the hole of moulding plastics side is provided with semicircular locating piece, and the bed die top is provided with the mould, and the mould is fixed on the cassette, goes up mould and spacing platform sliding connection, and the mould lower surface is provided with the head of moulding plastics, and the mould is just to the position of moulding plastics the head and is opened there is convex constant head tank.

Further, the positioning groove is matched with the positioning block, and the injection molding head is matched with the injection molding hole.

Further, detection mechanism is including setting up the fixed cover at the mounting hole upper surface, the fixed cover is opened there is the through-hole, the through-hole middle part is provided with two symmetric distribution's ball, be provided with the double helix pole in the through-hole, it has two and ball complex helicla flute to open on the double helix pole, double helix pole bottom rotates and is connected with the rolling disc, rolling disc and sliding column upper surface contact, the double helix pole upper end is fixed with the fixed disk, be provided with the scale that the circumference distributes on the fixed disk cylinder, the one end that the base was kept away from to the fixed cover is fixed with the pillar of three circumference distributions, pillar upper surface is fixed with the backup pad, fixed surface has positioning spring under the backup pad.

Further, a contact plate is fixed on the lower surface of the positioning spring, and the contact plate is in contact with the fixed disc.

Further, a detector is arranged on the side of the fixed sleeve, and is provided with a detection head, and the detection head is aligned with the scale.

The invention has the beneficial effects that:

the machine frame and the die are matched, so that the matching of the injection molding head and the injection molding hole can be ensured, the two are prevented from deviating, the designed detection mechanism can detect whether the injection molding head is tightly matched after being inserted into the injection molding hole, the height difference is converted into the rotating angle difference through the double screw rod, and the detection precision of the detector is indirectly improved.

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, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of a mold;

FIG. 3 is a schematic view of a partial explosion configuration of the present invention;

FIG. 4 is a schematic structural view of the detection mechanism;

fig. 5 is a schematic view of the lower part of the explosive structure of the detection mechanism.

The reference numerals in the figures illustrate:

1. a frame; 11. a lower base; 12. a support column; 121. a nut; 13. a limiting platform; 14. an upper base; 141. a clamping seat; 142. a mounting hole; 15. a connecting block; 16. a sliding column; 161. resetting the sliding sleeve; 2. a mold; 21. a lower die; 211. injection molding holes; 212. a positioning block; 22. an upper die; 221. an injection molding head; 222. a positioning groove; 3. a detection mechanism; 31. a fixed sleeve; 311. a through hole; 312. a ball; 32. a support post; 33. a support plate; 34. a positioning spring; 341. a contact plate; 35. a double screw rod; 351. a rotating disc; 352. a fixed plate; 353. a scale; 36. a detector; 361. and a detection head.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The utility model provides an injection mold for auto parts, including frame 1, mould 2 and detection mechanism 3, as shown in figures 1, 2, 3, 4, 5, frame 1 includes lower base 11, be provided with four array distribution's support column 12 on the lower base 11, support column 12 upper end threaded connection has nut 121, the position that support column 12 is close to the upper end is fixed with spacing platform 13, be fixed with two sliding column 16 that flat distribution on the base 11, sliding column 16 upper end is provided with reset slide sleeve 161, fixedly connected with upper base 14 on the reset slide sleeve 161, upper base 14 upper surface middle part is provided with connecting block 15, upper base 14 lower surface is provided with cassette 141, upper base 14 both sides are opened there is mounting hole 142. The external device controls the upper base 14 to move through the connecting block 15, and the limiting platform 13 can prevent the die from being damaged in the moving process.

The die 2 comprises two lower dies 21 arranged on the lower base 11, injection holes 211 are formed in the upper surface of the lower dies 21, semicircular positioning blocks 212 are arranged on the sides of the injection holes 211, an upper die 22 is arranged above the lower dies 21, the upper die 22 is fixed on the clamping base 141, the upper die 22 is slidably connected with the limiting platform 13, an injection head 221 is arranged on the lower surface of the upper die 22, circular-arc-shaped positioning grooves 222 are formed in positions, opposite to the injection head 221, of the upper die 22, the positioning grooves 222 are matched with the positioning blocks 212, and the injection head 221 is matched with the injection holes 211. Through the cooperation of constant head tank 222 and locating piece 212, can realize automatic alignment, when the small deviation appears between injection molding head 221 and the hole 211 of moulding plastics, can assist the alignment, prevent that injection molding head 221 and the hole 211 of moulding plastics from taking place to piece together the little collision in room and leading to the mould impaired.

The detection mechanism 3 comprises a fixed sleeve 31 arranged on the upper surface of a mounting hole 142, the fixed sleeve 31 is provided with a through hole 311, two symmetrically distributed balls 312 are arranged in the middle of the through hole 311, a double-screw rod 35 is arranged in the through hole 311, two spiral grooves matched with the balls 312 are formed in the double-screw rod 35, the bottom of the double-screw rod 35 is rotationally connected with a rotating disc 351, the rotating disc 351 is contacted with the upper surface of a sliding column 16, a fixed disc 352 is fixed at the upper end of the double-screw rod 35, circumferentially distributed scales 353 are arranged on the cylindrical surface of the fixed disc 352, three circumferentially distributed struts 32 are fixed at one end of the fixed sleeve 31 far away from the upper base 14, a supporting plate 33 is fixed on the upper surface of the struts 32, a positioning spring 34 is fixed on the lower surface of the supporting plate 33, a contact plate 341 is fixed on the lower surface of the positioning spring 34, and the contact plate 341 is contacted with the fixed disc 352. The fixed sleeve 31 is provided with a detector 36 on the side, the detector 36 is provided with a detection head 361, and the detection head 361 is aligned with the scale. The height difference is converted into the angle difference of the fixed disk 352, and the detection accuracy is improved.

Working principle:

when the invention works, the lower die 21 is placed at a preset position, then an external device drives the upper base 14 to press downwards, at the moment, the positioning groove 222 is matched with the positioning block 212, the injection molding head 221 is matched with the injection molding hole 211, the tight matching of the injection molding head 221 and the injection molding hole 211 is ensured, and the external injection molding mechanism is communicated with the injection molding head 221 through an external pipeline and performs injection molding in the lower die 21. During injection molding, if the injection molding head 221 and the injection molding hole 211 are not in close fit, the heights of the double screw rods 35 on the left side and the right side are different, at the moment, the rotating angles of the scales 353 are different, and when the detector 36 detects that the rotating angles of the scales are different, an alarm is sent to remind a worker to overhaul.

The beneficial effects are as follows:

the frame 1 and the die 2 designed by the invention are matched, so that the matching of the injection molding head 221 and the injection molding hole 211 can be realized, and the designed detection mechanism 3 can detect whether the injection molding head 221 and the injection molding hole 211 are tightly matched or not.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims

1. The utility model provides an injection mold for auto parts, includes frame (1), mould (2) and detection mechanism (3), its characterized in that, frame (1) is including lower base (11), be provided with four array distribution's support column (12) on lower base (11), support column (12) upper end threaded connection has nut (121), the position that support column (12) is close to the upper end is fixed with spacing platform (13), be fixed with two parallel distribution's slip post (16) on lower base (11), slip post (16) upper end is provided with reset sliding sleeve (161), fixedly connected with upper base (14) on reset sliding sleeve (161), upper base (14) upper surface middle part is provided with connecting block (15), upper base (14) lower surface is provided with cassette (141), upper base (14) both sides are opened and are had mounting hole (142);

the detection mechanism (3) comprises a fixed sleeve (31) arranged on the upper surface of a mounting hole (142), the fixed sleeve (31) is provided with a through hole (311), two symmetrically distributed balls (312) are arranged in the middle of the through hole (311), a double-screw rod (35) is arranged in the through hole (311), two spiral grooves matched with the balls (312) are formed in the double-screw rod (35), a rotating disc (351) is rotatably connected to the bottom of the double-screw rod (35), the rotating disc (351) is in contact with the upper surface of a sliding column (16), the upper end of the double-screw rod (35) is fixedly provided with a fixed disc (352), scales (353) distributed circumferentially are arranged on the cylindrical surface of the fixed disc (352), three struts (32) distributed circumferentially are fixed at one end of the fixed sleeve (31) away from an upper base (14), a supporting plate (33) is fixed on the upper surface of the struts (32), and a positioning spring (34) is fixed on the lower surface of the supporting plate (33).

A contact plate (341) is fixed on the lower surface of the positioning spring (34), and the contact plate (341) is contacted with the fixed disc (352);

a detector (36) is arranged on the side of the fixed sleeve (31), a detection head (361) is arranged on the detector (36), and the detection head (361) is aligned with the scale.

2. The injection mold for automobile parts according to claim 1, wherein the mold (2) comprises two lower molds (21) arranged on the lower base (11), injection holes (211) are formed in the upper surfaces of the lower molds (21), semicircular positioning blocks (212) are arranged on the sides of the injection holes (211), an upper mold (22) is arranged above the lower molds (21), the upper mold (22) is fixed on the clamping base (141), the upper mold (22) is in sliding connection with the limiting platform (13), an injection head (221) is arranged on the lower surfaces of the upper molds (22), and circular-arc-shaped positioning grooves (222) are formed in positions, facing the injection head (221), of the upper molds (22).

3. The injection mold for automobile parts according to claim 2, wherein the positioning groove (222) is matched with the positioning block (212), and the injection head (221) is matched with the injection hole (211).