CN217095333U

CN217095333U - Guiding mechanism and hardware mould thereof

Info

Publication number: CN217095333U
Application number: CN202220459153.2U
Authority: CN
Inventors: 廖建生
Original assignee: Shenzhen Fusheng Precision Hardware Co ltd
Current assignee: Shenzhen Fusheng Precision Hardware Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-02
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a guiding mechanism and hardware mould thereof relates to the hardware mould field, including lower guide pin bushing, lower guide pin bushing internally mounted has the guide pillar, the guide pillar is polygonized structure, the vertical upwards extension of guide pillar, the guide pillar upper end sets up inside last guide pin bushing, both ends pass through the polygon sliding sleeve respectively with last guide pin bushing and lower guide pin bushing sliding connection about the guide pillar, guide pillar middle part outside fixedly connected with reset baffle, the guide pillar outside longitudinal symmetry be provided with reset spring, upside reset spring both ends respectively with upside polygon sliding sleeve and reset baffle upper end butt, downside reset spring both ends respectively with downside polygon sliding sleeve and reset baffle lower extreme butt. The utility model has the advantages that: by adopting the design of the guide sleeves on two sides, when die assembly forming is carried out, the guide sleeves on two sides synchronously slide to complete the die assembly stroke, the sliding length of the single guide sleeve and the guide pillar in the die assembly process can be effectively reduced, the abrasion of the guide sleeve is reduced, and the forming precision of the die is improved.

Description

Guiding mechanism and hardware mould thereof

Technical Field

The utility model relates to a hardware mould field specifically is to relate to a guiding mechanism and hardware mould thereof.

Background

The mold is a forming tool used for manufacturing products such as injection molding, blow molding, extrusion, stamping, forging and the like in industry, and the precision of the mold determines the precision of the product because the mold is mainly used for molding the appearance of the product. There are many factors affecting the accuracy of the mold, and the accuracy degradation due to misalignment when the upper and lower molds are closed is one of the factors having a large influence. In order to ensure the accuracy of the die assembly of the upper die and the lower die, a guide pillar for positioning is designed on the die so as to determine the die assembly position, and the guide pillar is generally made of bearing steel, hot die steel, easy turning iron and the like, so that the durability and the replaceability of the guide pillar on the guiding performance are greatly enhanced.

When current mould guide pillar design, can be more steady when guaranteeing the mould to open and shut the mould, it provides steady support when carrying out the mould to set up to be provided with reset spring between guide pillar and guide pin bushing usually, current guiding mechanism adopts single guide sleeve structure more, in the one shot forming process, the guide pin bushing need slide on the guide pillar and accomplish whole process length, wearing and tearing between the guide pillar guide pin bushing are great, guide pillar and guide pin bushing produce a large amount of heats at the slip in-process simultaneously, easily lead to guide pillar and guide pin bushing to take place to warp, influence the direction precision.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, a guiding mechanism and hardware mould thereof are provided, when this technical scheme had solved foretell current mould guide pillar design, can be more steady when carrying out the die opening and shutting for guaranteeing the mould, it provides steady support when carrying out the die opening and shutting to set up to be provided with reset spring between guide pillar and guide pin bushing usually, current guiding mechanism adopts single guide structure more, in the one shot forming process, the guide pin bushing need slide on the guide pillar and accomplish whole process length, wearing and tearing between the guide pillar guide pin bushing are great, guide pillar and guide pin bushing produce a large amount of heats in the slip in-process simultaneously, easily lead to guide pillar and guide pin bushing to take place to warp, influence the problem of direction precision.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the guide mechanism comprises a lower guide sleeve, wherein a guide pillar is arranged inside the lower guide sleeve, the guide pillar is of a polygonal structure and extends vertically upwards, the upper end of the guide pillar is arranged inside an upper guide sleeve, the upper end and the lower end of the guide pillar are respectively in sliding connection with the upper guide sleeve and the lower guide sleeve through polygonal sliding sleeves, a reset baffle is fixedly connected to the outer side of the middle of the guide pillar, reset springs are symmetrically arranged on the outer side of the guide pillar in the vertical direction, the two ends of each reset spring are respectively abutted to the upper ends of the polygonal sliding sleeves and the reset baffle, and the two ends of each reset spring are respectively abutted to the lower ends of the polygonal sliding sleeves and the reset baffle.

Preferably, the lower end of the circumferential surface of the lower guide sleeve is provided with an installation positioning groove, the lower end of the lower guide sleeve is fixedly connected with an installation plate, the lower end of the installation plate is fixedly connected with a lower heat conduction ring extending downwards, and the lower heat conduction ring is provided with a plurality of heat conduction holes.

Preferably, the peripheral surface of the polygonal sliding sleeve is provided with a roller groove, a sliding roller is arranged in the roller groove, and the peripheral surface of the sliding roller is abutted against the guide pillar.

Preferably, the guide pillar is of a hollow structure, an oil injection sleeve is fixedly connected to the upper end of the guide pillar, an oil injection hole is formed in the middle of the upper end of the oil injection sleeve in a penetrating mode, an oil injection head is installed inside the oil injection hole, and the oil injection head is communicated with the inside of the guide pillar.

Preferably, a plurality of oil outlets are formed in the peripheral surface of the guide pillar, and the oil outlets are communicated with the inside of the guide pillar.

Furthermore, a hardware mould is provided, and the guide mechanism is installed.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a design of two side guide pin bushings, during the use, with lower guide pin bushing fixed mounting under on the fixed die plate, it installs on last movable mould board to go up the guide pin bushing, when carrying out the shaping compound die, it moves down along with last movable mould board to go up the guide pin bushing, it moves down to drive upside polygon sliding sleeve, upside polygon sliding sleeve passes through the upside spring and transmits the compound die power to the guide pillar, and then it moves down in step to drive the guide pillar, and then when the compound die, the guide pillar both ends shrink respectively to last guide pin bushing down, thereby reduce the slip length of single guide pin bushing in the compound die process with the guide pillar, reduce the wearing and tearing of guide pin bushing, reduce the heat that guide pillar guide pin bushing friction produced simultaneously, reduce the deformation of guide pillar and guide pin bushing, the effectual direction precision that has improved guiding mechanism, and then improve the shaping precision of mould.

Drawings

Fig. 1 is a schematic perspective view of a guide mechanism according to the present invention;

fig. 2 is an exploded view of the guide mechanism according to the present invention;

fig. 3 is a bottom view of the guiding mechanism provided by the present invention;

fig. 4 is a cross-sectional view of the guide mechanism of the present invention.

The reference numbers in the figures are:

1. a lower guide sleeve; 101. installing a positioning groove; 102. mounting a plate; 103. a lower heat conducting ring; 1031. a heat conduction hole; 2. a polygonal sliding sleeve; 201. a roller groove; 202. a sliding roller; 3. a guide post; 301. resetting the baffle; 302. An oil outlet hole; 4. a return spring; 5. an upper guide sleeve; 6. an oil filling head; 7. and (4) oil injection sleeve.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-4, a guide mechanism comprises a lower guide sleeve 1, a guide post 3 is installed inside the lower guide sleeve 1, the guide post 3 is of a polygonal structure, the guide post 3 extends vertically upwards, the upper end of the guide post 3 is arranged inside an upper guide sleeve 5, the upper end and the lower end of the guide post 3 are respectively connected with the upper guide sleeve 5 and the lower guide sleeve 1 in a sliding manner through a polygonal sliding sleeve 2, a reset baffle 301 is fixedly connected with the outer side of the middle part of the guide post 3, reset springs 4 are symmetrically arranged on the outer side of the guide post 3 in an up-down manner, two ends of the upper reset spring 4 are respectively abutted against the upper ends of the upper polygonal sliding sleeve 2 and the reset baffle 301, two ends of the lower reset spring 4 are respectively abutted against the lower ends of the lower polygonal sliding sleeve 2 and the reset baffle 301, a double-side guide sleeve design is adopted, when mold closing molding is carried out, the mold closing stroke is completed by the guide sleeves on two sides in a synchronous sliding manner, the sliding of the single guide sleeve and the guide post in the mold closing process can be effectively reduced, reduce the wearing and tearing of guide pin bushing, improve the shaping precision of mould.

The lower end of the peripheral surface of the lower guide sleeve 1 is provided with an installation positioning groove 101, the lower end of the lower guide sleeve 1 is fixedly connected with a mounting plate 102, the lower end of the mounting plate 102 is fixedly connected with a lower heat conduction ring 103 extending downwards, the lower heat conduction ring 103 is provided with a plurality of heat conduction holes 1031, the upper end of the upper guide sleeve 5 is fixedly connected with an upper heat conduction ring 501, the upper heat conduction ring 501 is provided with upper heat conduction holes, and when the heat conduction device is used, heat generated by sliding friction of the upper guide sleeve and the lower guide sleeve can be rapidly discharged through the lower heat conduction ring 103 and the heat conduction holes on the upper heat conduction ring 501.

Roller groove 201 has been seted up to 2 all surfaces of polygon sliding sleeve, roller groove 201 internally mounted has slip gyro wheel 202, slip gyro wheel 202 all surfaces and 3 butts of guide pillar, guide pillar 3 is hollow structure, 3 upper ends fixedly connected with oiling cover 7 of guide pillar, oiling cover 7 upper end middle part is run through and is seted up the oil filler point, oiling hole internally mounted has oiling head 6, oiling head 6 and the inside intercommunication of guide pillar 3, a plurality of oil outlet 302 have been seted up to 3 all surfaces of guide pillar, oil outlet 302 and the inside intercommunication of guide pillar 3, through oiling head 6 to the inside lubricating oil that adds of guide pillar 3, the inside lubricating oil of guide pillar 3 discharges to 3 surfaces of guide pillar through oil outlet 302, in 3 slip processes of guide pillar,

slip gyro wheel

202 and 3 surface contact of guide pillar can coat one deck lubricating oil on its surface, reduce its frictional force in the roll process, reduce the friction damage.

When the guide mechanism is installed on a hardware mould, the lower guide sleeve 1 is fixedly installed on the lower fixed mould plate, the upper guide sleeve 5 is installed on the upper movable mould plate, when the guide mechanism is formed, the upper guide sleeve 1 moves downwards along with the upper movable mould plate to drive the upper polygonal sliding sleeve 2 to move downwards, the upper polygonal sliding sleeve 2 transmits mould closing force to the guide pillar 3 through the upper spring 4, the guide pillar 3 is driven to move downwards synchronously, the guide pillar 3 moves downwards to compress the lower spring 4 and enters the lower guide sleeve 1, then when the mould is closed, two ends of the guide pillar respectively contract into the upper guide sleeve and the lower guide sleeve, when the mould is opened, the upper guide sleeve 1 moves upwards along with the upper movable mould plate, and under the elastic force action of the springs 4 on the upper side and the lower side, the guide pillar 3 is reset to an initial position.

To sum up, the utility model has the advantages that: by adopting the design of the guide sleeves on two sides, when die assembly forming is carried out, the guide sleeves on two sides synchronously slide to complete the die assembly stroke, the sliding length of the single guide sleeve and the guide pillar in the die assembly process can be effectively reduced, the abrasion of the guide sleeve is reduced, and the forming precision of the die is improved.

The foregoing shows and describes the general principles, essential 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 above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A guide mechanism is characterized by comprising a lower guide sleeve (1), a guide post (3) is arranged in the lower guide sleeve (1), the guide post (3) is of a polygonal structure, the guide post (3) vertically extends upwards, the upper end of the guide post (3) is arranged in the upper guide sleeve (5), the upper end and the lower end of the guide post (3) are respectively connected with the upper guide sleeve (5) and the lower guide sleeve (1) in a sliding way through polygonal sliding sleeves (2), the outer side of the middle of the guide pillar (3) is fixedly connected with a reset baffle (301), the outer side of the guide pillar (3) is provided with reset springs (4) in an up-and-down symmetrical mode, the two ends of each reset spring (4) are respectively abutted to the upper ends of the polygonal sliding sleeve (2) and the reset baffle (301), and the two ends of each reset spring (4) are respectively abutted to the lower ends of the polygonal sliding sleeve (2) and the reset baffle (301).

2. The guide mechanism according to claim 1, wherein the lower end of the peripheral surface of the lower guide sleeve (1) is provided with a mounting positioning groove (101), the lower end of the lower guide sleeve (1) is fixedly connected with a mounting plate (102), the lower end of the mounting plate (102) is fixedly connected with a lower heat conducting ring (103) extending downwards, and the lower heat conducting ring (103) is provided with a plurality of heat conducting holes (1031).

3. The guiding mechanism according to claim 2, wherein a roller groove (201) is formed on the peripheral surface of the polygonal sliding sleeve (2), a sliding roller (202) is installed inside the roller groove (201), and the peripheral surface of the sliding roller (202) is abutted against the guide post (3).

4. The guide mechanism as claimed in claim 3, wherein the guide post (3) is of a hollow structure, an oil filling sleeve (7) is fixedly connected to the upper end of the guide post (3), an oil filling hole is formed in the middle of the upper end of the oil filling sleeve (7) in a penetrating manner, an oil filling head (6) is installed in the oil filling hole, and the oil filling head (6) is communicated with the inside of the guide post (3).

5. The guiding mechanism as claimed in claim 4, wherein the guide post (3) has a plurality of oil outlets (302) formed on the peripheral surface thereof, and the oil outlets (302) are communicated with the interior of the guide post (3).

6. A hardware mould characterised by mounting a guide mechanism as claimed in any one of claims 1 to 5.