CN212331701U

CN212331701U - Horizontal gear box high-pressure sheath forming die

Info

Publication number: CN212331701U
Application number: CN202021788618.6U
Authority: CN
Inventors: 周海晓; 周忠坤; 张钱旺; 李和栋; 童伟泽
Original assignee: Ningbo Guangming Rubber & Plastic Co ltd
Current assignee: Ningbo Guangming Rubber & Plastic Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-12
Anticipated expiration: 2030-08-25

Abstract

The utility model provides a horizontal gearbox high-pressure sheath forming die, which comprises an upper die, a middle frame and a lower die; an upper cavity is arranged in the upper die, and a lower cavity is arranged in the lower die; a mold core is detachably connected in the middle frame; the mold core comprises a fixed block, and a plurality of long cores are respectively arranged on two sides of the fixed block; the mold core also comprises a front sliding block and a rear sliding block which are arranged on two sides of the fixed block; a plurality of short cores are arranged on one side of each of the front sliding block and the rear sliding block, and the long cores are matched with the short cores; the middle frame comprises a middle frame rear transverse plate arranged on one side; one side of the rear transverse plate of the middle frame is provided with a gear box mechanism. The utility model discloses simple structure, convenient to use has the characteristics that the switch mould is more stable, quick, and is difficult for off-centre, and the overlap is few after the product demolding, and the product quality is high.

Description

Horizontal gear box high-pressure sheath forming die

Technical Field

The utility model relates to a high pressure sheath mould field, concretely relates to horizontal gear box high pressure sheath forming die.

Background

The high-pressure sheath is a common important part in the gear box and is manufactured by mould injection processing.

In the injection processing, the production efficiency and the product quality are always the direction of continuous pursuit and improvement of enterprises; when the traditional high-pressure sheath is produced and processed, the following problems often occur:

(1) the traditional mold stripping structure usually adopts a single-gear structure, the stability of the structure is relatively poor, and the mold stripping can only be carried out at a slower speed in order to prevent the gear structure from being clamped during mold stripping; the structure of the mold core is usually only designed with a single slide block, and the mold can be discharged at a slower speed, so that the production efficiency is influenced;

(2) the problem that a large-plane die is easy to be eccentric usually exists in a traditional die stripping structure, gaps often exist in the separation structure of a die core and the combination positions of all parts in a die cavity, so that burrs exist on a product after the die stripping, the problems of appearance defects and the like are solved, the product quality is influenced, and the efficiency is influenced by the cleaning of the burrs.

In order to further improve the production efficiency and the product quality, the conventional high-pressure sheath forming die needs to be improved urgently.

Disclosure of Invention

In order to solve the problem, the utility model provides a horizontal gear box high pressure sheath forming die.

The technical scheme of the utility model is that: a horizontal gearbox high-pressure sheath forming die comprises an upper die, a middle frame and a lower die; the upper die is provided with an upper die cavity, and the lower die is provided with a lower die cavity; the middle frame is detachably connected with a mold core; the mold core comprises a fixed block, and a plurality of long cores are respectively arranged on two sides of the fixed block; the mold core further comprises a front sliding block and a rear sliding block which are arranged on two sides of the fixed block; a plurality of short cores are arranged on one side of each of the front sliding block and the rear sliding block, and the long cores are matched with the short cores; the middle frame comprises a middle frame rear transverse plate arranged on one side; one side of the middle frame rear transverse plate is provided with a gear box mechanism.

Furthermore, a front slide block positioning groove, a fixed block positioning groove and a rear slide block positioning groove are formed in the lower cavity; the front sliding block positioning groove is matched with the front sliding block, the fixed block positioning groove is matched with the fixed block, and the rear sliding block positioning groove is matched with the rear sliding block.

Furthermore, the gear box mechanism comprises a first gear box arranged at two sides of the rear transverse plate of the middle frame and a second gear box arranged at the middle position of the rear transverse plate of the middle frame; an upper row of guide teeth and a lower row of guide teeth are arranged in the first gear box, and a gear is arranged between the two rows of guide teeth; the inside downside of second gear box be equipped with one row of direction tooth, just one row of direction tooth on be equipped with the gear.

Furthermore, one end of the upper row of guide teeth of the two first gear boxes is connected with a first guide sliding block, and one end of the lower row of guide teeth is connected with a second guide sliding block; the lower side surface of the first guide sliding block is provided with a positioning pin, and the upper side surface of the second guide sliding block is provided with a positioning pin; positioning grooves are formed in the lower side surfaces of the two ends of the front sliding block, and positioning grooves are formed in the upper side surfaces of the two ends of the rear sliding block; the positioning pin on the lower side surface of the first guide sliding block is matched with the positioning grooves on the upper side surfaces of the two ends of the rear sliding block; and the positioning pins on the upper side surface of the second guide sliding block are matched with the positioning grooves on the lower side surfaces of the two ends of the front sliding block.

Furthermore, a resin plate is arranged at the front end of the second gearbox; the front end of the resin plate is provided with a fixed plate; the front end of the fixed plate is provided with an oil cylinder.

Furthermore, one end of the long core is provided with a sealing column, and one end of the short core is provided with a sealing groove; the sealing column is tightly matched with the sealing groove.

Furthermore, four positioning guide pillars are arranged on the lower die; four first positioning holes are formed in the upper die and are matched with the positioning guide pillars; the lower die is also provided with four positioning guide sleeves; the upper die is also provided with four second positioning holes, and the second positioning holes are matched with the positioning guide sleeves.

Furthermore, the outer surfaces of the upper cavity and the lower cavity are plated with vacuum coatings.

Furthermore, the two sides of the upper die are provided with connecting blocks; the connecting block is provided with a positioning block; and one side of the positioning block is provided with an ejection column.

The utility model discloses a horizontal gear box high pressure sheath forming die, simple structure, convenient to use, the design of gear box mechanism double guide tooth makes the mould switch mould more stable to can be with faster fast closing mould, simultaneously, by the first direction slider and the second direction slider of gear box control can open and shut simultaneously, make the demolding more simple convenient, thereby further promote production efficiency; the sealing columns of the long core and the short core are tightly matched with the sealing grooves, and the extrusion is more compact under the action of the first guide sliding block and the second guide sliding block, so that the matched part is not easy to generate flash; in the upper and lower mould, four sets of first locating holes cooperate with the positioning guide pillar, and four sets of second locating holes cooperate with the positioning guide bushing, adopt the accurate location of the mode of dual location, have solved the easy off-centre problem of big plane mould in the past, further promote product quality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the long core and the short core;

FIG. 4 is a schematic view of the structure of the front slider engaged with the second guiding slider;

fig. 5 is a schematic structural view of the rear slider in cooperation with the first guide slider.

In the figure, an upper die-1, a middle frame-2 and a lower die-3 are arranged; an upper cavity-1.1, a first positioning hole-1.2, a second positioning hole-1.3, a connecting block-1.4, a positioning block-1.5 and an ejection column-1.6; 2.1 of a rear transverse plate of the middle frame, 2.2 of a gear box mechanism, 2.3 of a first gear box, 2.4 of a second gear box, 2.5 of guide teeth, 2.6 of a gear, 2.7 of a first guide slide block, 2.8 of a second guide slide block, 2.9 of a positioning pin, 2.10 of a resin plate, 2.11 of a fixing plate and 2.12 of an oil cylinder; a lower cavity-3.1, a front slide block positioning groove-3.2, a fixed block positioning groove-3.3, a rear slide block positioning groove-3.4, a positioning guide pillar-3.5 and a positioning guide sleeve-3.6; 4.1 parts of fixed block, 4.2 parts of long core, 4.3 parts of front sliding block, 4.4 parts of rear sliding block, 4.5 parts of short core, 4.7 parts of positioning groove, 4.6 parts of sealing column and 4.8 parts of sealing groove.

Detailed Description

The following describes the forming mold for the high-pressure sheath of the horizontal gearbox in detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4 and 5, a horizontal gearbox high-pressure sheath forming die comprises an upper die 1, a middle frame 2 and a lower die 3; an upper cavity 1.1 is arranged in the upper die 1, and a lower cavity 3.1 is arranged in the lower die 3; a mold core 4 is detachably connected in the middle frame 2; the mold core 4 comprises a fixed block 4.1, and a plurality of long cores 4.2 are respectively arranged on two sides of the fixed block 4.1; the mold core 4 also comprises a front sliding block 4.3 and a rear sliding block 4.4 which are arranged at two sides of the fixed block 4.1; a plurality of short cores 4.5 are arranged on one side of the front sliding block 4.3 and one side of the rear sliding block 4.4, and the long cores 4.2 are matched with the short cores 4.5; the middle frame 2 comprises a middle frame rear transverse plate 2.1 arranged on one side; a gear box mechanism 2.2 is arranged on one side of the middle frame rear transverse plate 2.1; a front slide block positioning groove 3.2, a fixed block positioning groove 3.3 and a rear slide block positioning groove 3.4 are arranged in the lower cavity 3.1; the front slide block positioning groove 3.2 is matched with the front slide block 4.3, the fixed block positioning groove 3.3 is matched with the fixed block 4.1, and the rear slide block positioning groove 3.4 is matched with the rear slide block 4.4; the gear box mechanism 2.2 comprises a first gear box 2.3 arranged at two sides of the middle frame rear transverse plate 2.1 and a second gear box 2.4 arranged at the middle position of the middle frame rear transverse plate 2.1; an upper row of guide teeth 2.5 and a lower row of guide teeth 2.5 are arranged in the first gear box 2.3, and a gear 2.6 is arranged between the two rows of guide teeth 2.5; a row of guide teeth 2.5 are arranged on the lower side inside the second gear box 2.4, and a gear 2.6 is arranged on the row of guide teeth 2.5; one end of the upper row of guide teeth 2.5 of the two first gear boxes 2.3 is connected with a first guide sliding block 2.7, and one end of the lower row of guide teeth 2.5 is connected with a second guide sliding block 2.8; the lower side surface of the first guide sliding block 2.7 is provided with a positioning pin 2.9, and the upper side surface of the second guide sliding block 2.8 is provided with a positioning pin 2.9; positioning grooves 4.7 are formed in the lower side surfaces of the two ends of the front sliding block 4.3, and positioning grooves 4.7 are formed in the upper side surfaces of the two ends of the rear sliding block 4.4; the positioning pin 2.9 on the lower side surface of the first guide slide block 2.7 is matched with the positioning groove 4.7 on the upper side surface of the two ends of the rear slide block 4.4; the positioning pin 2.9 on the upper side surface of the second guide slide block 2.8 is matched with the positioning grooves 4.7 on the lower side surfaces of the two ends of the front slide block 4.3; the front end of the second gear box 2.4 is provided with a resin plate 2.10; the front end of the resin plate 2.10 is provided with a fixed plate 2.11; the front end of the fixed plate 2.11 is provided with an oil cylinder 2.12; one end of the long core 4.2 is provided with a sealing column 4.6, and one end of the short core 4.5 is provided with a sealing groove 4.8; the sealing column 4.6 is tightly matched with the sealing groove 4.8; four positioning guide posts 3.5 are arranged on the lower die 3; four first positioning holes 1.2 are arranged in the upper die 1, and the first positioning holes 1.2 are matched with the positioning guide pillars 3.5; the lower die 3 is also provided with four positioning guide sleeves 3.6; four second positioning holes 1.3 are also formed in the upper die 1, and the second positioning holes 1.3 are matched with the positioning guide sleeves 3.6; the outer surfaces of the upper cavity 1.1 and the lower cavity 3.1 are plated with vacuum coatings; the two sides of the upper die 1 are provided with connecting blocks 1.4; a positioning block 1.5 is arranged on the connecting block 1.4; one side of the positioning block 1.5 is provided with an ejection column 1.6.

In actual use, an operator firstly installs a fixed block 4.1 in a fixed block positioning groove 3.3; the gearbox mechanism 2.2 is controlled by the oil cylinder 2.12, the first guide slide block 2.7 and the second guide slide block 2.8 are driven to move by the movement of the gearbox mechanism 2.2, and the front slide block 4.3 and the rear slide block 4.4 are driven to be close to the fixed block 4.1, so that the sealing column 4.6 and the sealing groove 4.8 are extruded and tightly matched with each other, and the problem that the position is easy to generate flash is solved; then, an operator installs the upper die 1 through equipment, enables the four sets of first positioning holes 1.2 to be matched with the positioning guide pillars 3.5, and enables the four sets of second positioning holes 1.3 to be matched with the positioning guide sleeves 3.6, and the double positioning mode is adopted for accurate positioning, so that the problem that the existing large-plane die is easy to be eccentric is solved, and the product quality is improved; finally, the mould is installed, can carry on the injection process, in the course of working, because the exterior surface of upper cavity 1.1, lower cavity 3.1 has plated the nanometer vacuum coating, this coating not only has the thickness evenly, the characteristic of the high (HV400) of hardness, still have the lubricity (coefficient of friction is only 0.06-0.12), through improving lubricity and characteristic such as the scratch resistance of the sliding position, make the products need not to clear up the overlap after demolding, or only need clear up the overlap that produces a small amount of easy clearance in the course of vulcanizing, thus further raise production efficiency, greatly reduce the foreign matter risk, promote the product quality.

After the operator finishes the injection action and the vulcanization process, the upper and lower cavities of the mold are opened; the middle frame is ejected out, the gearbox mechanism 2.2 is controlled by the oil cylinder 2.12, the first guide slide block 2.7 and the second guide slide block 2.8 are driven by the gear box mechanism 2.2 to move, the front slide block 4.3 and the rear slide block 4.4 are further driven to be far away from the fixed block 4.1, and the long core 4.2 and the short core 4.5 which are originally closely matched are separated; then, the operator can quickly take out the fixing block 4.1 and sequentially take down the high-pressure sheath from the long core 4.2 to complete demoulding.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a horizontal gear box high pressure sheath forming die which characterized in that: comprises an upper die (1), a middle frame (2) and a lower die (3); an upper cavity (1.1) is arranged in the upper die (1), and a lower cavity (3.1) is arranged in the lower die (3); a mold core (4) is detachably connected in the middle frame (2); the mold core (4) comprises a fixed block (4.1), and a plurality of long cores (4.2) are respectively arranged on two sides of the fixed block (4.1); the mold core (4) further comprises a front sliding block (4.3) and a rear sliding block (4.4) which are arranged on two sides of the fixed block (4.1); a plurality of short cores (4.5) are arranged on one side of each of the front sliding block (4.3) and the rear sliding block (4.4), and the long cores (4.2) are matched with the short cores (4.5); the middle frame (2) comprises a middle frame rear transverse plate (2.1) arranged on one side; one side of the middle frame rear transverse plate (2.1) is provided with a gear box mechanism (2.2).

2. The horizontal gearbox high-pressure sheath forming die as claimed in claim 1, wherein: a front slide block positioning groove (3.2), a fixed block positioning groove (3.3) and a rear slide block positioning groove (3.4) are arranged in the lower cavity (3.1); the front sliding block positioning groove (3.2) is matched with the front sliding block (4.3), the fixed block positioning groove (3.3) is matched with the fixed block (4.1), and the rear sliding block positioning groove (3.4) is matched with the rear sliding block (4.4).

3. The horizontal gearbox high-pressure sheath forming die as claimed in claim 2, wherein: the gear box mechanism (2.2) comprises a first gear box (2.3) arranged at two sides of the middle frame rear transverse plate (2.1) and a second gear box (2.4) arranged at the middle position of the middle frame rear transverse plate (2.1); an upper row of guide teeth and a lower row of guide teeth (2.5) are arranged in the first gear box (2.3), and a gear (2.6) is arranged between the two rows of guide teeth (2.5); the inside downside of second gear box (2.4) be equipped with one row of direction tooth (2.5), just one row of direction tooth (2.5) on be equipped with gear (2.6).

4. The horizontal gearbox high-pressure sheath forming die as claimed in claim 3, wherein: one end of the upper row of guide teeth (2.5) of the two first gear boxes (2.3) is connected with a first guide sliding block (2.7), and one end of the lower row of guide teeth (2.5) is connected with a second guide sliding block (2.8); a positioning pin (2.9) is arranged on the lower side surface of the first guide sliding block (2.7), and a positioning pin (2.9) is arranged on the upper side surface of the second guide sliding block (2.8); positioning grooves (4.7) are formed in the lower side surfaces of the two ends of the front sliding block (4.3), and positioning grooves (4.7) are formed in the upper side surfaces of the two ends of the rear sliding block (4.4); the positioning pins (2.9) on the lower side surface of the first guide sliding block (2.7) are matched with the positioning grooves (4.7) on the upper side surfaces of the two ends of the rear sliding block (4.4); and the positioning pin (2.9) on the upper side surface of the second guide sliding block (2.8) is matched with the positioning grooves (4.7) on the lower side surfaces of the two ends of the front sliding block (4.3).

5. The horizontal gearbox high-pressure sheath forming die as claimed in claim 3, wherein: the front end of the second gear box (2.4) is provided with a resin plate (2.10); the front end of the resin plate (2.10) is provided with a fixed plate (2.11); the front end of the fixed plate (2.11) is provided with an oil cylinder (2.12).

6. The horizontal gearbox high-pressure sheath forming die as claimed in claim 1, wherein: one end of the long core (4.2) is provided with a sealing column (4.6), and one end of the short core (4.5) is provided with a sealing groove (4.8); the sealing column (4.6) is tightly matched with the sealing groove (4.8).

7. The horizontal gearbox high-pressure sheath forming die as claimed in claim 1, wherein: four positioning guide columns (3.5) are arranged on the lower die (3); four first positioning holes (1.2) are formed in the upper die (1), and the first positioning holes (1.2) are matched with the positioning guide columns (3.5); the lower die (3) is also provided with four positioning guide sleeves (3.6); the upper die (1) is also provided with four second positioning holes (1.3), and the second positioning holes (1.3) are matched with the positioning guide sleeves (3.6).

8. The horizontal gearbox high-pressure sheath forming die as claimed in claim 1, wherein: the outer surfaces of the upper cavity (1.1) and the lower cavity (3.1) are plated with vacuum coatings.

9. The horizontal gearbox high-pressure sheath forming die as claimed in claim 1, wherein: the two sides of the upper die (1) are provided with connecting blocks (1.4); a positioning block (1.5) is arranged on the connecting block (1.4); and an ejection column (1.6) is arranged on one side of the positioning block (1.5).