CN215467389U

CN215467389U - Rotary waste material cutter device for trimming

Info

Publication number: CN215467389U
Application number: CN202022227508.9U
Authority: CN
Inventors: 黄崇一
Original assignee: Tianjin Puxin Mold Co ltd
Current assignee: Tianjin Puxin Mold Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2022-01-11
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a rotary waste material cutter device for trimming, which comprises a rotary base, wherein an upper die base is fixedly arranged at the lower end of the rotary base, a swinging waste material cutter is installed at the upper end of the rotary base, a guide pin installation hole is formed in the lower end of the swinging waste material cutter, a spring guide pin is installed on the inner side of the guide pin installation hole, a rectangular spring is sleeved on the outer side of the spring guide pin, a guide sleeve is installed between the rotary base and the swinging waste material cutter, a baffle is installed on the inner side of the guide sleeve, a rotating shaft is movably installed at the upper end of the swinging waste material cutter through a bearing, a metal roller is installed at one end of the rotating shaft, and a top block is installed at the upper end of the metal roller. The utility model reduces waste scraps, prevents scraps from being brought onto the molded surface to cause damage to the molded surface of the mold and a product surface product, improves the product qualification rate of the mold in the production process, and reduces the production cost and the maintenance cost of the mold.

Description

Rotary waste material cutter device for trimming

Technical Field

The utility model relates to the technical field of dies, in particular to a rotary waste material knife device for trimming.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

In the mold design, especially in the mold design of parts such as automobile roofs, a trimming die is often used, but the trimming die is not provided with a rotary waste material cutter device in the using process, so that a large amount of waste material scraps are easily generated to fall on the mold surface, and the mold surface is damaged, and therefore, the design of a simple and effective rotary waste material cutter device is necessary.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rotary waste cutter device for trimming, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cut edge with rotatory waste material sword device, includes rotating basis, the fixed upper die base that is provided with of rotating basis's lower extreme, swing waste material sword is installed to rotating basis's upper end, the lower extreme of swing waste material sword has been seted up and has been led just round pin mounting hole, the spring is led just the round pin and is installed and lead the inboard of round pin mounting hole, the outside cover that the round pin was led to the spring is equipped with the rectangle spring, install the guide pin bushing between rotating basis and the swing waste material sword, the baffle is installed to the inboard of guide pin bushing, there is the rotation axis swing joint upper end of swing waste material sword through bearing movable mounting, the metal roller is installed to the one end of pivot, the kicking block is installed to the upper end of metal roller.

Furthermore, swing waste material sword rotation axis and rotating base rotation axis mounting hole coincidence are convenient for swing waste material sword's rotation to thereby swing waste material sword when contacting with the lower mould kicking block through the metal roll on the swing waste material sword device and begin rotatory work and cut the waste material of getting off and cut apart.

Further, a mounting groove is formed in the upper end of the rotating base, and a rotating shaft of the swing waste material knife is movably mounted on the inner side wall of the mounting groove, so that the swing waste material knife is convenient to mount.

Further, a fixing groove is formed in one side, close to the metal roller, of the upper end of the swing waste material knife, and the metal roller is installed on the inner side of the fixing groove, so that the swing waste material knife can rotate conveniently.

Furthermore, a fixing hole is formed in one side, close to the spring guide pin, of the upper end surface of the rotating base, and the lower end of the spring guide pin is connected with the fixing hole in a matched mode, so that the spring guide pin is convenient to fix.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the die is closed, the trimming insert firstly cuts the cutting waste, the swinging waste knife device firstly avoids the contact between the cutting edge of the front section of the swinging waste knife and the waste due to the self gravity, and when the rotating shaft on the swinging waste knife device is contacted with the ejector block of the lower die, the swinging waste knife starts to rotate so as to cut the cut waste.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary waste cutter device for trimming according to the present invention;

FIG. 2 is a top view of a rotating base of a rotary waste knife device for trimming of the present invention.

In the figure: 1. rotating the base; 2. an upper die holder; 3. swinging the scrap cutter; 4. a pilot pin mounting hole; 5. a spring pilot pin; 6. a rectangular spring; 7. a guide sleeve; 8. a baffle plate; 9. a rotating shaft; 10. a metal roller; 11. a top block; 12. mounting grooves; 13. fixing grooves; 14. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a cut edge and use rotatory waste material sword device, including rotating base 1, the fixed upper die base 2 that is provided with of lower extreme of rotating base 1, swing waste material sword 3 is installed to rotating base 1's upper end, swing waste material sword 3's lower extreme has been seted up and has been led positive round pin mounting hole 4, lead the inboard of positive round pin mounting hole 4 and install the spring and lead positive round pin 5, the outside cover that positive round pin 5 was led to the spring is equipped with rectangular spring 6, install guide pin bushing 7 between rotating base 1 and the swing waste material sword 3, baffle 8 is installed to the inboard of guide pin bushing 7, there is rotation axis 9 swing joint upper end of swing waste material sword 3 through bearing movable mounting, metal roller 10 is installed to the one end of rotation axis 9, kicking block 11 is installed to the upper end of metal roller 10.

The rotating shaft of the swing scrap cutter 3 is superposed with the rotating shaft mounting hole of the rotating base 1, so that the swing scrap cutter 3 can rotate conveniently, and the swing scrap cutter 3 starts to rotate when a metal roller 10 on the swing scrap cutter 3 device is contacted with a lower die ejector block 11, so that cut scraps are cut; the upper end of the rotating base 1 is provided with a mounting groove 12, and a rotating shaft where the waste material swinging cutter 3 is located is movably mounted on the inner side wall of the mounting groove 12, so that the waste material swinging cutter 3 is convenient to mount; a fixing groove 13 is formed in one side, close to the metal roller 10, of the upper end of the swinging waste material knife 3, and the metal roller 10 is installed on the inner side of the fixing groove 13, so that the swinging waste material knife 3 can rotate conveniently; the upper end surface of rotating base 1 is close to one side of spring guide pin 5 and has been seted up fixed orifices 14, and the spring guide pin 5's lower extreme is connected with the cooperation between fixed orifices 14, is convenient for spring guide pin 5's fixed.

The working principle is as follows: when the scrap cutting device is used, when the die is closed, the trimming insert firstly cuts off the scrap, the front section cutting edge of the swinging scrap cutter 3 is firstly not contacted with the scrap due to the self gravity of the swinging scrap cutter 3 device, and when the metal roller 10 on the swinging scrap cutter 3 device is contacted with the lower die ejector block 11, the swinging scrap cutter 3 starts to rotate so as to cut off the scrap.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut edge and use rotatory waste material sword device, includes rotating basis (1), its characterized in that: the fixed upper die base (2) that is provided with of lower extreme of rotating base (1), swing waste material sword (3) are installed to the upper end of rotating base (1), the lower extreme of swing waste material sword (3) has been seted up and has been led positive round pin mounting hole (4), lead the inboard of positive round pin mounting hole (4) and install the spring and lead positive round pin (5), the outside cover that positive round pin (5) was led to the spring is equipped with rectangle spring (6), install guide pin bushing (7) between rotating base (1) and swing waste material sword (3), baffle (8) are installed to the inboard of guide pin bushing (7), there is rotation axis (9) upper end of swing waste material sword (3) through bearing movable mounting, metal roller (10) are installed to the one end of rotation axis (9), kicking block (11) are installed to the upper end of metal roller (10).

2. The rotary scrap cutter device for trimming as claimed in claim 1, wherein: the rotating shaft where the swing scrap cutter (3) is located is overlapped with the rotating shaft mounting hole where the rotating base (1) is located.

3. The rotary scrap cutter device for trimming as claimed in claim 1, wherein: mounting groove (12) have been seted up to the upper end of rotating basis (1), swing the inboard lateral wall at mounting groove (12) is installed in the pivot movable mounting of swing waste material sword (3).

4. The rotary scrap cutter device for trimming as claimed in claim 1, wherein: a fixing groove (13) is formed in one side, close to the metal roller (10), of the upper end of the swing waste material knife (3), and the metal roller (10) is installed on the inner side of the fixing groove (13).

5. The rotary scrap cutter device for trimming as claimed in claim 1, wherein: the upper end surface of the rotating base (1) is provided with a fixing hole (14) at one side close to the spring guide pin (5), and the lower end of the spring guide pin (5) is connected with the fixing hole (14) in a matched manner.