CN211968085U

CN211968085U - Disassembling die for high-strength plastic parts

Info

Publication number: CN211968085U
Application number: CN202020169885.9U
Authority: CN
Inventors: 蒋兆文; 黄贵玉; 黄健; 许堂林; 黄恩南; 韦升作; 黄国华; 李志海; 唐园惠
Original assignee: Guangxi Xinwote Industrial Co ltd
Current assignee: Guangxi Xinwote Industrial Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-11-20
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a disassembling die for high-strength plastic parts, which relates to the technical field of dies and comprises an upper die and a lower die, wherein the bottom of the upper die is provided with an insert punch and a punching tool which extend downwards, and the bottom extending end of the insert punch is lower than the tool edge end of the punching tool; the two sides of the upper die are connected with the two sides of the lower die through material returning steel wire ropes, and the steel wire ropes cross the top surface of the punching cutter; compared with the prior art, the plastic part disassembling mold has the advantages that the plastic part disassembling efficiency is high, the time for cutting and disassembling is short, the part disassembling can be completed within 45-65 seconds, and the efficiency is greatly improved; a steel wire rope is arranged on the top surface of the cutter in a crossing manner, and the plastic block stuck on the main pressing plate of the cutter can be quickly pulled off by tensioning the steel wire rope; simple structure, easy operation, easy maintenance.

Description

Disassembling die for high-strength plastic parts

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a high strength plastics part disassemble mould.

Background

In the production process, it is very difficult to cut, disassemble the trial products or the defective products that the material is nylon + glass fiber material, this is because the part that the material is nylon + glass fiber material is shown in figure 1, very tough, and the strengthening rib position is very intensive, and the shearing force is very big, and the unable whole of rubbing crusher is smashed, consequently, must cut into the fritter after, take out metal insert again, can realize smashing. At present, tools used for disassembling the parts are generally electric saws, the parts are cut by the electric saws, and the specific cutting mode and the defects are as follows:

1. an electric sawing machine is adopted, a product is manually cut into 6 small pieces of cutting tracks 003 as shown in figure 1, the time is 10-15 minutes, and the efficiency is very low;

2. manually knocking the metal insert 002, and taking out the metal insert, wherein the time is 3-5 minutes;

3. after the saw blade is cut to the plastic oil bottom shell 001, the saw blade is extremely easy to heat, so that the saw blade is burnt out or broken, and the saw blade is replaced more frequently;

4. the electric saw vibrates very greatly during cutting, has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high strength plastics part disassemble mould, it can solve prior art problem that the efficiency is low disassembling high strength plastics part.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the die comprises an upper die and a lower die, wherein an insert punch and a punching tool which extend downwards are arranged at the bottom of the upper die, and the extending end of the bottom of the insert punch is lower than the knife edge end of the punching tool; and the two sides of the upper die are connected with the two sides of the lower die through material returning steel wire ropes, and the steel wire ropes cross the top surface of the punching cutter.

In the above technical solution, a more specific solution may also be: the punching cutter is provided with a main cutter arranged along the length direction of the bottom of the upper die, and the back of the main cutter is provided with a main pressure plate; two pairs of auxiliary cutters are symmetrically and obliquely arranged on two sides of the main cutter, and an auxiliary pressing plate is arranged on the back of each auxiliary cutter; and a pair of fixed pulleys for hoisting the steel wire rope is symmetrically arranged outside two sides of two ends of the main pressure plate respectively, the fixed pulleys are fixed on the lower part of a fixed plate connected with the bottom of the upper die, and the mounting positions of the fixed pulleys are higher than the top surface of the main pressure plate.

Further: the lower die is provided with a panel and a bottom plate, the panel and the bottom plate are supported by supporting blocks, and baffles surrounding three sides of the panel are arranged on the panel; and a fixing block for fixing the plastic part is arranged on the panel surface.

Further: and a steel wire winding balancer is arranged in a space surrounded by the bottom plate, the panel and the supporting block of the lower die, and two ends of each steel wire rope are connected with the steel wire winding balancer.

Further: the upper die is provided with a protective cover corresponding to the baffle; and reinforcing plates are arranged in the middle parts of two sides of the bottom of the upper die, and the height of the downward extending reinforcing plates is equal to the height of the downward extending fixing plates.

Due to the adoption of the technical scheme, compared with the prior art, the utility model, have following beneficial effect:

1. the plastic part disassembling mold has the advantages that the plastic part disassembling mold is used for disassembling plastic parts, the efficiency is high, the time for cutting and disassembling is short, the part disassembling can be completed within 45-65 seconds, and the efficiency is greatly improved; a steel wire rope is arranged on the top surface of the cutter in a crossing manner, and the plastic block stuck on the main pressing plate of the cutter can be quickly pulled off by tensioning the steel wire rope; simple structure, easy operation, easy maintenance.

2. The punching cutter structure formed by the cutter and the pressing plate is adopted, cutting and disassembling are completed at one time, redundant and tedious actions are omitted, efficiency is greatly improved, and the service life of the cutter is prolonged.

Drawings

Fig. 1 is a schematic view of a prior art structure.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a bottom view of the upper mold of the present invention.

The serial numbers are as follows:

the plastic oil pan 001, the metal insert 002, the cutting track 003, the upper die 1, the lower die 2, the panel 2-1, the bottom plate 2-2, the supporting block 2-3, the baffle 2-4, the insert punch 3, the punching cutter 4, the main cutter 4-1, the main pressure plate 4-2, the auxiliary cutter 4-3, the auxiliary pressure plate 4-4, the reinforcing plate 5, the fixed pulley 6, the fixed plate 7, the material returning steel wire rope 8, the steel wire rolling balancer 9, the plastic part 10, the fixed block 11 and the protective cover 12.

Detailed Description

The present invention will be described in further detail with reference to the following examples. However, the present invention is not limited to the following examples.

The embodiment shown in the figures 2-3 comprises an upper die 1 and a lower die 2, wherein the bottom of the upper die is provided with an insert punch 3 and a punching cutter 4 which extend downwards, the extending end of the bottom of the insert punch 3 is lower than the cutter edge end of the punching cutter 4, the punching cutter 4 is provided with a main cutter 4-1 which is arranged along the length direction of the bottom of the upper die 1, the back of the main cutter is provided with a main pressure plate 4-2, two pairs of auxiliary cutters 4-3 are symmetrically and obliquely arranged at the two sides of the main cutter 4-1, the back of the auxiliary cutters 4-3 is provided with an auxiliary pressure plate 4-4, the thicknesses of the main cutter and the auxiliary cutters are both 20mm, a pair of fixed pulleys 6 are respectively and symmetrically arranged outside the two sides of the two ends of the main pressure plate 4-1, a material returning steel wire rope 8 rounds one of the fixed pulleys 6 at the left end and winds on the fixed, the fixed pulley is fixed at the lower part of a fixed plate 7 connected with the bottom of the upper die 1, the mounting position of the fixed pulley 6 is slightly higher than the top surface of the main pressure plate 4-2, and when the steel wire rope is tensioned, the plastic block adhered to the punching cutter 4 can be pulled off and separated; the material returning steel wire ropes 8 go down from the two sides of the upper die 1, penetrate through holes formed in the two sides of the panel of the lower die 2 and are connected with a steel wire winding balancer 9 arranged at the bottom of the lower die; the lower die 2 is provided with a panel 2-1 and a bottom plate 2-2, the panel 2-1 and the bottom plate 2-2 are supported by a supporting block 2-3, and baffles 2-4 surrounding three sides of the panel are arranged on the panel 2-1; a fixed block 11 for fixing the plastic part 10 is arranged on the panel 2-1, and a protective cover 12 corresponding to the baffle 2-4 is arranged on the upper die side 1; and reinforcing plates 5 are arranged in the middle parts of two sides of the bottom of the upper die 1, and the height of the downward extending reinforcing plates is equal to the height of the downward extending fixing plates 7.

The working principle of the disassembling die is as follows:

mounting a disassembling die on a hydraulic press, driving an upper die to descend, enabling an insert punch to touch a plastic part in advance, then compressing the plastic part, and ejecting a metal insert to fall off and fall into the space of a lower die along with the continuous downward pressing of the upper die; the main pressing plate and the auxiliary pressing plate of the punching cutter continue to extrude the plastic parts to be torn until the parts are cut into 6 pieces, meanwhile, the material returning steel wire rope is gradually shortened along with the descending of the upper die, and the steel wire winding balancer starts to wind the material returning steel wire rope; after the cutting is finished, the upper die starts to ascend in a return stroke, the material returning steel wire rope is gradually stretched and tensioned from the steel wire winding balancer, and a small amount of plastic blocks stuck on the punching cutter are pulled out and separated to achieve the effect of material returning; after the return stroke action is finished, manually taking out the cut small parts; and ending the action and entering the next cycle.

Claims

1. The utility model provides a high strength plastics part's disassembling mould, has mould and lower mould, its characterized in that: an insert punch and a punching tool which extend downwards are arranged at the bottom of the upper die, and the extending end of the bottom of the insert punch is lower than the knife edge end of the punching tool; and the two sides of the upper die are connected with the two sides of the lower die through material returning steel wire ropes, and the steel wire ropes cross the top surface of the punching cutter.

2. The disassembling mold for high-strength plastic parts according to claim 1, wherein: the punching cutter is provided with a main cutter arranged along the length direction of the bottom of the upper die, and the back of the main cutter is provided with a main pressure plate; two pairs of auxiliary cutters are symmetrically and obliquely arranged on two sides of the main cutter, and an auxiliary pressing plate is arranged on the back of each auxiliary cutter; and a pair of fixed pulleys for hoisting the steel wire rope is symmetrically arranged outside two sides of two ends of the main pressure plate respectively, the fixed pulleys are fixed on the lower part of a fixed plate connected with the bottom of the upper die, and the mounting positions of the fixed pulleys are higher than the top surface of the main pressure plate.

3. The disassembling mold for high-strength plastic parts according to claim 2, wherein: the lower die is provided with a panel and a bottom plate, the panel and the bottom plate are supported by supporting blocks, and baffles surrounding three sides of the panel are arranged on the panel; and a fixing block for fixing the plastic part is arranged on the panel surface.

4. The disassembling mold for high-strength plastic parts according to claim 3, wherein: and a steel wire winding balancer is arranged in a space surrounded by the bottom plate, the panel and the supporting block of the lower die, and two ends of each steel wire rope are connected with the steel wire winding balancer.

5. The disassembling mold for high-strength plastic parts according to claim 4, wherein: the upper die is provided with a protective cover corresponding to the baffle; and reinforcing plates are arranged in the middle parts of two sides of the bottom of the upper die, and the height of the downward extending reinforcing plates is equal to the height of the downward extending fixing plates.