CN211221873U

CN211221873U - Nondestructive cutting mechanism in thick and long sprue material mould of washing machine shell

Info

Publication number: CN211221873U
Application number: CN201921517814.7U
Authority: CN
Inventors: 孙仙志; 王江波
Original assignee: Taizhou Haomo Molding Technology Co ltd
Current assignee: Taizhou Haomo Molding Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-11
Anticipated expiration: 2029-09-12

Abstract

The utility model provides a harmless resection mechanism in thick elongated runner material mould of washing machine shell belongs to injection mould technical field. The cutting device comprises a plurality of micro oil cylinders and cutters, wherein the micro oil cylinders are arranged in parallel, an output shaft of each micro oil cylinder is connected with the bottom of each cutter, the cutters are inserted into gate inserts, the tops of the cutters are flush with the tops of the gate inserts, and gaps are reserved between the bottoms of the cutters and the bottoms of the gate inserts. The utility model discloses can realize the automatic excision of big mould's thick elongated runner material, reduce the manual excision process in later stage.

Description

Nondestructive cutting mechanism in thick and long sprue material mould of washing machine shell

Technical Field

The utility model belongs to the technical field of the injection mould, a harmless excision mechanism in thick elongated runner material mould of washing machine shell is related to.

Background

After the injection molding of the injection mold is completed, a gate strip is left on the product, and the gate strip is usually manually cut off in the later period, namely, the gate of the injection molded plastic part is manually cut off after the mold is opened. This increases the number of production steps and increases the production cost.

After continuous exploration, people adopt a method of cutting a gate strip in a die and then opening the die to automatically cut the gate strip. In the die internal cutting gate strip structure in the prior art, a method that an inclined guide post drives a slide block structure is generally adopted, and the structure is usually only suitable for cutting off a narrow and thin gate in a small die and is not suitable for cutting off a thick and long gate in a large die due to the fact that a plurality of transmission parts and unstable force are used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a harmless excision mechanism in thick elongated runner material mould of washing machine shell is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a harmless excision mechanism in thick elongated runner material mould of washing machine shell, includes miniature hydro-cylinder and cutter, miniature hydro-cylinder have a plurality of and mutual parallel arrangement, the output shaft of every miniature hydro-cylinder cutter bottom, the cutter insert the runner in, the cutter top flushes with the runner top of inserting, the cutter bottom has the clearance with the runner bottom of inserting.

In the nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell, an output shaft of the micro oil cylinder is fixedly connected with the bottom of the cutter through a connecting rod.

In the nondestructive cutting mechanism in the thick and long sprue material die of the washing machine shell, one end of the connecting rod is connected with the micro oil cylinder, the other end of the connecting rod is connected with the cutter seat, the bottom of the cutter is detachably connected with the cutter seat, and a gap is formed between the top of the cutter seat and the bottom of the sprue insert.

In the nondestructive cutting mechanism in the thick and long sprue material die of the washing machine shell, the nondestructive cutting mechanism further comprises a connecting rod seat which is arranged below the cutter seat and movably connected with the cutter seat, each micro oil cylinder is connected with one connecting rod, a plurality of connecting rods are inserted into the connecting rod seat and movably connected with the connecting rod seat, and the plurality of connecting rods are arranged in parallel and the tops of the connecting rods are flush.

In the nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell, the top of the cutter holder is provided with a clamping groove, the top of the cutter is provided with a cutting edge in a long strip shape, the bottom of the cutter is provided with a clamping strip matched with the shape and size of the clamping groove, and the clamping strip is clamped into the clamping groove.

In the nondestructive cutting mechanism in the thick and long sprue material die of the washing machine shell, the cross section of the cutting edge is triangular, the top of the cutting edge is flush with the top of the sprue insert, and the side wall of the cutting edge is in clearance fit with the inner part of the sprue insert.

In the nondestructive cutting mechanism in the thick and long sprue material die of the washing machine shell, the cutter seat comprises a cutter base which is pressed on the connecting rod seat and is fixedly connected with the connecting rod, a cutter connecting seat is clamped on the cutter base, and the clamping groove is positioned at the top of the cutter connecting seat.

In the nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell, the cross section of the clamping groove is L-shaped, the bottom of the cutter base is provided with a bayonet for inserting the bottom of the cutter connecting seat, and the bottom of the cutter connecting seat is inserted into the bayonet and is clamped and matched with the cutter base.

In the nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell, three micro oil cylinders are arranged in equal height, and the axial leads of the three micro oil cylinders are on the same plane.

In the nondestructive cutting mechanism in the thick and long sprue material die of the washing machine shell, the nondestructive cutting mechanism further comprises a ejector rod plate and a die set, the miniature oil cylinder is inserted in the ejector rod plate, the cutter connecting seat penetrates through the die set and then is movably connected with the die set, an oil path is further arranged in the ejector rod plate, the oil path is connected with the miniature oil cylinder, and the connecting rod seat is fixed in the die set.

Compared with the prior art, the utility model has the advantages of: the automatic cutting of the thick and long gate material of the large die can be realized, and the later manual cutting procedure is reduced; the utility model discloses simple structure, reliable and stable can effectual improvement production efficiency.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the present invention with the ejector plate and the die carrier removed;

fig. 4 is an exploded view of fig. 3.

In the figure, a micro oil cylinder 1, a cutter 2, a sprue insert 3, a grinding groove 3a, a grinding insert 3b, a cutting edge groove 3c, a connecting rod 4, a cutter seat 5, a connecting rod seat 6, a clamping groove 7, a cutting edge 8, a clamping strip 9, a cutter seat 10, a cutter connecting seat 11, a bayonet 12, an ejector plate 13, a mold frame 14 and an oil path 15.

Detailed Description

As shown in fig. 3 and 4, the nondestructive cutting mechanism in the gate material mold with the thick and long casing of the washing machine comprises a plurality of micro oil cylinders 1 and a cutter 2, wherein the micro oil cylinders 1 are arranged in parallel, the number of the micro oil cylinders is at least two, the two micro oil cylinders 1 are arranged on the same plane and form cutting power for the cutter 2, an output shaft of each micro oil cylinder 1 is connected with the bottom of the cutter 2, the cutter 2 is inserted into a gate insert 3, the top of the cutter 2 is flush with the top of the gate insert 3, and a gap is formed between the bottom of the cutter 2 and the bottom of the gate insert 3.

The micro oil cylinder in the embodiment is the prior art and can adopt a commercially available product. When the micro oil cylinder 1 acts, the top of the cutter 2 extends out of the gate insert 3 to cut the gate material, and the gap between the bottom of the cutter 2 and the bottom of the gate insert 3 is set according to the thickness of the gate material to be cut and the formation of the micro oil cylinder 1.

In the prior art, the pouring gate material in the die adopts the inclined guide post to drive the slide block structure to perform cutting treatment, and the structure is only suitable for a narrow and thin pouring gate of a small die and cannot effectively cut the thick and long pouring gate. In this embodiment, adopt the parallel arrangement of two or more miniature hydro-cylinders, form long distance parallel cutting power, and power is stable and powerful, can not take place to deflect to can directly carry out the intramode excision with thick long runner material, can not cause the damage to the mould.

The output shaft of the miniature oil cylinder 1 can be directly connected with the bottom of the cutter 2, but the connection mode is more complicated and is not beneficial to the replacement of the cutter, and in the embodiment, the output shaft of the miniature oil cylinder 1 is fixedly connected with the bottom of the cutter 2 through the connecting rod 4.

Specifically speaking, connecting rod 4 one end is connected miniature hydro-cylinder 1, and the other end is connected

cutter seat

5, 2 bottoms of cutter can dismantle with cutter seat 5 and be connected, have the clearance between cutter seat 5 top and the runner 3 bottoms of inserting. If the cutter 2 is worn after long-term use, the cutter only needs to be replaced, and the disassembly is convenient.

In this embodiment, the device further comprises a connecting rod seat 6 arranged below the cutter seat 5 and movably connected with the cutter seat 5, each micro oil cylinder 1 is connected with one connecting rod 4, a plurality of connecting rods are inserted into the connecting rod seat 6 and movably connected with the connecting rod seat 6, and the plurality of connecting rods 4 are arranged in parallel and the tops of the connecting rods are flush. Because the connecting rods are multiple, the connecting rods are parallel to each other to form stable longitudinal thrust, and the connecting rod seat 6 plays a role in guiding and positioning the connecting rods and simultaneously plays a role in supporting the cutter seat 5.

The top of the cutter seat 5 is provided with a clamping groove 7, the top of the cutter 2 is provided with a cutting edge 8 which is in a long strip shape, the bottom of the cutter 2 is provided with a clamping strip 9 matched with the shape and the size of the clamping groove 7, and the clamping strip 9 is clamped into the clamping groove 7 to enable the cutter 2 and the cutter seat 5 to form clamping matching, and convenient to detach and install.

In the present embodiment, the cross section of the cutting edge 8 is triangular, the top of the cutting edge 8 is flush with the top of the gate insert 3, and the side wall of the cutting edge 8 is in clearance fit with the inside of the gate insert 3, where the clearance fit means that the clearance is between 1 and 2 wires.

In order to facilitate the grinding of the gap between the cutter 2 and the gate insert 3, the gate insert 3 is provided with a grinding groove 3a, a grinding insert 3b is detachably arranged in the grinding groove 3a, and a cutting edge groove 3c for inserting the cutting edge 8 is formed between the grinding insert 3b and the gate insert 3.

The cutter seat 5 comprises a cutter base 10 which is pressed on the connecting rod seat 6 and is fixedly connected with the connecting rod 4, a cutter connecting seat 11 is clamped on the cutter base 10, and the clamping groove 7 is located at the top of the cutter connecting seat 11.

The cross section of draw-in groove can be T type or other shapes, and in this embodiment, the cross section of draw-in groove 7 is L shape, is equipped with on the cutter base 10 and supplies the bayonet socket 12 of cutter connecting seat 11 bottom male, thereby the cooperation of bayonet socket 12 and cutter base 10 joint is inserted to cutter connecting seat 11 bottom, has the screw hole in the bayonet socket 12, and cutter connecting seat 11 forms fixed connection through the screw with cutter base 10 after inserting in bayonet socket 12.

In the preferred scheme, three micro oil cylinders 1 are arranged in equal height, the axial leads of the three micro oil cylinders 1 are on the same plane, and the three micro oil cylinders 1 are arranged in equal height and keep synchronous motion.

As shown in fig. 1 and fig. 2, the cutting tool further comprises a ejector rod plate 13 and a die set 14, the micro oil cylinder 1 is inserted into the ejector rod plate 13, the cutter connecting seat 11 penetrates through the die set 14 and then is movably connected with the die set 14, an oil path 15 is further arranged in the ejector rod plate 13, the oil path 15 is connected with the micro oil cylinder 1, and the connecting rod seat 6 is fixed in the die set 14.

It should be noted that, in the nondestructive cutting mechanism in the thick and long sprue mold of the washing machine housing, one or more sprue molds can be arranged in one mold, and the sprue molds are determined according to sprue materials to be cut.

The utility model discloses a working process is: after injection molding is completed, the three micro oil cylinders 1 synchronously act to push the three connecting rods 4 to move upwards under the die closing state of the die, the connecting rods 4 push the cutter base 10, the cutter base 10 pushes the cutter connecting seat 11, the cutter connecting seat 11 pushes the cutter 2 to move upwards, the sprue insert 3 is cut off by the cutting edge 8, and the die is opened after the three micro oil cylinders 1 return.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the guide plate main body 1, the groove 2, the oil storage tank 3, the oil storage cavity 4, the oil outlet flow passage 5, the upper guide plate 6, the lower guide plate 7, the connecting plate 8, the oil blocking valve 9, the oil inlet 10, the check valve 11, the air inlet 12, the filter screen 13, the inner hexagonal groove 14, the intermittent oil outlet assembly 15, the intermittent oil outlet block 16, the intermittent oil outlet flow passage 17, the elastic member 18, the compression spring 19 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a harmless resection mechanism in thick elongated runner material mould of washing machine shell, includes miniature hydro-cylinder (1) and cutter (2), its characterized in that, miniature hydro-cylinder (1) have a plurality of and mutual parallel arrangement, the output shaft of every miniature hydro-cylinder (1) cutter (2) bottom, cutter (2) insert in runner insert (3), cutter (2) top flushes with runner insert (3) top, cutter (2) bottom and runner insert (3) bottom have the clearance.

2. The nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell according to claim 1 is characterized in that an output shaft of the micro oil cylinder (1) is fixedly connected with the bottom of the cutter (2) through a connecting rod (4).

3. The nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell according to claim 2 is characterized in that one end of the connecting rod (4) is connected with the micro oil cylinder (1), the other end of the connecting rod is connected with the cutter seat (5), the bottom of the cutter (2) is detachably connected with the cutter seat (5), and a gap is formed between the top of the cutter seat (5) and the bottom of the sprue insert (3).

4. The nondestructive cutting mechanism for the gate material mold with the thick and long shape of the shell of the washing machine as claimed in claim 3 is characterized by further comprising a connecting rod seat (6) which is arranged below the cutter seat (5) and movably connected with the cutter seat (5), wherein each micro oil cylinder (1) is connected with a connecting rod (4), a plurality of connecting rods are inserted into the connecting rod seat (6) and movably connected with the connecting rod seat (6), and the plurality of connecting rods (4) are arranged in parallel and have flush tops.

5. The nondestructive cutting mechanism for the gate material mold with the thick and long shape of the shell of the washing machine as claimed in claim 4 is characterized in that a clamping groove (7) is arranged at the top of the cutter holder (5), the top of the cutter (2) is provided with a cutting edge (8) in a strip shape, the bottom of the cutter (2) is provided with a clamping strip (9) matched with the shape and size of the clamping groove (7), and the clamping strip (9) is clamped into the clamping groove (7).

6. The nondestructive cutting mechanism for the thick and long sprue die of the washing machine shell according to claim 5 is characterized in that the cross section of the cutting edge (8) is triangular, the top of the cutting edge (8) is flush with the top of the sprue insert (3), and the side wall of the cutting edge (8) is in clearance fit with the inside of the sprue insert (3).

7. The nondestructive cutting mechanism in the gate material mold with the thick and long shape of the shell of the washing machine as claimed in claim 5 is characterized in that the cutter seat (5) comprises a cutter base (10) which is pressed on the connecting rod seat (6) and is fixedly connected with the connecting rod (4), the cutter base (10) is clamped with a cutter connecting seat (11), and the clamping groove (7) is positioned at the top of the cutter connecting seat (11).

8. The nondestructive cutting mechanism in the gate material mold of the washing machine shell with the thick and long shape is characterized in that the cross section of the clamping groove (7) is L-shaped, the cutter base (10) is provided with a bayonet (12) for inserting the bottom of the cutter connecting seat (11), and the bottom of the cutter connecting seat (11) is inserted into the bayonet (12) so as to be in bayonet fit with the cutter base (10).

9. The nondestructive cutting mechanism for the thick and long sprue in the washing machine shell mold according to claim 1 is characterized in that three micro oil cylinders (1) are arranged in equal height, and the axial leads of the three micro oil cylinders (1) are on the same plane.

10. The nondestructive cutting mechanism in the thick and long sprue die of the washing machine shell according to claim 7 is characterized by further comprising a top rod plate (13) and a die frame (14), wherein the miniature oil cylinder (1) is inserted in the top rod plate (13), the cutter connecting seat (11) penetrates through the die frame (14) and then is movably connected with the die frame (14), an oil way (15) is further arranged in the top rod plate (13), the oil way (15) is connected with the miniature oil cylinder (1), and the connecting rod seat (6) is fixed in the die frame (14).