CN220864539U

CN220864539U - Trimming knife

Info

Publication number: CN220864539U
Application number: CN202322612327.1U
Authority: CN
Inventors: 陈凤彪
Original assignee: Mianyang Hongyuan Plastic Co ltd
Current assignee: Mianyang Hongyuan Plastic Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-30
Anticipated expiration: 2033-09-26

Abstract

The utility model provides a deburring sword, includes the hilt, and the one end of hilt is equipped with the shell, has seted up the rectangle breach on the shell, and the scraper is installed through a pair of screw to rectangle breach department, and the outside of scraper is the cutting edge, and the cutting edge sets up outwards. The knife handle is convenient for an operator to hold. The setting of sword shell conveniently carries out the fixed of scraper, and sets up the scraper in the rectangle breach, especially its cutting edge position is in the rectangle breach, when scraping the edge, can avoid causing the fish tail to the operator.

Description

Trimming knife

Technical Field

The utility model relates to the technical field of injection molding processing, in particular to a trimming cutter.

Background

Injection molding is a common method of molding plastic articles such as plastic chairs or housings. After injection molding, burrs are inevitably formed on edges, the quality of plastic products is affected by the existence of the burrs, and hands and the like are easily cut during use or assembly, so that the burrs need to be removed after injection molding is finished. The current commonly used removing tool is a common paper cutter, and the tool can scratch an operator by a little carelessness in specific application, and is inconvenient to carry out flash removing operation relative to a plurality of smaller holes.

Disclosure of utility model

The utility model provides a deburring cutter which solves the defects in the prior art, ensures the safety of deburring and has stronger practicability.

In order to achieve the object of the present utility model, the following techniques are proposed:

In order to facilitate scraping operation on the flash of the hole type structure, a spring is arranged inside the cutter shell along the length direction of the cutter shell, the spring stretches out and draws back along the length direction of the cutter shell, a movable block is movably arranged at the other end of the spring, the movable block is movably arranged in the cutter shell, a connecting handle is arranged on the movable block, a second scraper is arranged at the other end of the connecting handle, two sides of the second scraper are edge parts, a clamping block is arranged on one side of the movable block, a rotating bulge is arranged on the cutter shell, a rotating plate is arranged at the outer side end of the rotating bulge, a hanging plate is vertically arranged at the other end of the rotating plate, and the hanging plate acts on the clamping block for limiting the second scraper. The second scraper with the strip-shaped structure is convenient for scraping the hole flash. And through its telescopic setting, avoid causing harm to the operator when not using. And in order to ensure that the second scraper does not move outwards in the shortened state, a clamping block, a hanging plate and the like are arranged.

Further, the outer wall of the rectangular notch is provided with an inclined plane, and the inclined plane is arranged in an outward inclined mode. The inclined plane is arranged in consideration that an operator often inclines to hold the cutter when the flash cutting is performed, and the cutting operation of the flash is influenced if the end face of the rectangular notch is a plane.

Further, a pair of waist-shaped holes are formed in the scraper, and screws penetrate through the waist-shaped holes. The kidney-shaped holes are convenient for operators to adjust the position of the scraper, so that the cutting edge is ensured to be sharp at any time.

Further, the outer side end of the second scraper is in a sharp knife-shaped structure. The burrs of the holes can be removed by using the tips thereof.

Further, the clamping block is of a right triangle structure, and the inner wall of the clamping block is an inclined wall. This structural arrangement facilitates pushing the second scraper into the cutter housing.

Further, the inner side end of the rotating plate is obliquely provided with a pressing plate, and an angle formed between the length direction of the pressing plate and the length direction of the rotating plate is an obtuse angle. The setting of clamp plate makes things convenient for the operator to rotate the rotating plate, and then makes the second scraper pop out under the effect of spring.

Further, the rotating bulge is rotatably arranged on the cutter shell through a rotating shaft, and a torsion spring is arranged on the rotating shaft. The arrangement of the torsion spring can ensure the locking effect of the hanging plate on the clamping block.

Further, a concave groove is formed in the hilt, inclined planes are arranged on two sides of the concave groove, and holes are formed in the outer side end of the hilt. The concave groove is convenient for operators to hold the cutter.

Further, a movable groove is formed in the cutter shell, the scraper is arranged in the movable groove, the outer side end of the movable groove extends out of the cutter shell, the movable groove plays a limiting role on the scraper, and the scraper is conveniently arranged in the cutter shell in the arrangement mode.

A movable side groove is formed in one side of the cutter shell, the movable block is embedded in the movable side groove, a long hole is formed in the outer side of the movable side groove, and the clamping block moves in the long hole. The arrangement of the movable side grooves and the long holes plays a role in guiding the movement of the second scraper.

Further, two pairs of connecting convex rods are arranged on the outer wall of the cutter shell, a concave cover is sleeved at the rectangular notch of the cutter shell, two pairs of clamping plates are arranged on the concave cover, clamping grooves are formed in the outer wall of the inner side end of each clamping plate, and the connecting convex rods penetrate through the clamping grooves. The concave cover can protect the scraper and avoid safety accidents caused by the scraper when the scraper is not used.

The technical scheme has the advantages that:

The utility model is convenient for scraping off the flash, such as scraping off the flash on the edge or scraping off the flash on the inner wall of the hole, and ensures the safety during scraping.

Drawings

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective view of a trimming blade.

Fig. 2 shows a perspective view of the concave cover.

Fig. 3 shows a perspective view of the first cutter housing.

Fig. 4 shows a second perspective view of the cutter housing.

Fig. 5 shows a perspective view of the second blade.

Fig. 6 shows a perspective structural view of the doctor blade.

Detailed Description

As shown in fig. 1-6, the trimming knife comprises a knife handle 1, wherein a concave groove 10 is formed in the knife handle 1, inclined surfaces are arranged on two sides of the concave groove 10, and an eyelet 11 is formed in the outer side end of the knife handle 1.

One end of the tool holder 1 is provided with a tool shell 2, a rectangular notch 20 is formed in the tool shell 2, an inclined surface 25 is arranged on the outer wall of the rectangular notch 20, and the inclined surface 25 is arranged in an outward inclined mode. The scraper 3 is installed through a pair of screws 32 in rectangular notch 20, and the outside of scraper 3 is the cutting edge, and the cutting edge outwards sets up, has seted up a pair of waist type hole 30 on the scraper 3, and screw 32 wears in waist type hole 30.

The inside spring 40 that is equipped with of sword shell 2 along its length direction, spring 40 stretches out and draws back along the length direction of sword shell 2, and the other end activity of spring 40 is equipped with movable block 4, and in sword shell 2 was located to the activity of movable block 4, be equipped with connecting handle 41 on the movable block 4, the other end of connecting handle 41 was equipped with second scraper 42, and the both sides of second scraper 42 are the cutting edge, and the outside end of second scraper 42 is sharp knife-shaped structure. One side of the movable block 4 is provided with a clamping block 43, the clamping block 43 is of a right triangle structure, and the inner wall of the clamping block 43 is an inclined wall. The cutter shell 2 is rotationally provided with a rotating bulge 44, the rotating bulge 44 is rotationally arranged on the cutter shell 2 through a rotating shaft, the outer side end of the rotating bulge 44 provided with a torsion spring is provided with a rotating plate 46, the inner side end of the rotating plate 46 is obliquely provided with a pressing plate 45, and an angle formed between the length direction of the pressing plate 45 and the length direction of the rotating plate 46 is an obtuse angle. The other end of the rotating plate 46 is vertically provided with a hanging plate 47, and the hanging plate 47 acts on the clamping block 43 for limiting the second scraper 42.

The movable groove 21 is formed in the cutter shell 2, the scraper 3 is arranged in the movable groove 21, the outer side end of the movable groove 21 extends out of the cutter shell 2, the movable side groove 23 is formed in one side of the cutter shell 2, the movable block 4 is embedded in the movable side groove 23, the long hole 24 is formed in the outer side of the movable side groove 23, and the clamping block 43 moves in the long hole 24.

Two pairs of connecting convex rods 5 are arranged on the outer wall of the cutter shell 2, a concave cover 50 is sleeved at the rectangular notch 20 of the cutter shell 2, two pairs of clamping plates 51 are arranged on the concave cover 50, clamping grooves 52 are formed in the outer wall of the inner side end of each clamping plate 51, and the connecting convex rods 5 penetrate through the corresponding clamping grooves 52.

In this embodiment, when the edge flash is scraped off, the clamping plate 51 is pressed inward, so that the connecting convex rod 5 is removed from the clamping groove 52, and the concave cover 50 is detached from the cutter housing 2 after completion. And then scraping off the flash on the edge by the scraper 3.

When the edge of the scraper 3 is blunt, the screw 32 can be loosened first, then the position of the scraper 3 is adjusted, and the scraper is locked again by the screw 32 after the adjustment.

When the inner wall of the hole needs to be flash removed, an operator presses the pressing plate 45, so that the hanging plate 47 rotates outwards, the locking effect of the hanging plate 47 on the clamping block 43 is canceled, then the second scraper 42 is outwards ejected under the elastic force of the strong spring 40, and then flash treatment operation is performed. When the operation is completed, the second scraper 42 is pressed inward again, so that the second scraper 42 is positioned in the movable groove 23, and the clamping block 43 is limited by the hanging plate 47.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The trimming knife is characterized by comprising a knife handle (1), wherein a knife shell (2) is arranged at one end of the knife handle (1), a rectangular notch (20) is formed in the knife shell (2), a scraper (3) is mounted at the rectangular notch (20) through a pair of screws (32), the outer side of the scraper (3) is provided with a blade part, and the blade part is arranged outwards;

The inside spring (40) that is equipped with of sword shell (2) along its length direction, spring (40) are flexible along the length direction of sword shell (2), the other end activity of spring (40) is equipped with movable block (4), in sword shell (2) is located in movable block (4) activity, be equipped with on movable block (4) connecting handle (41), the other end of connecting handle (41) is equipped with second scraper (42), the both sides of second scraper (42) are the cutting part, one side of movable block (4) is equipped with fixture block (43), the last rotation of sword shell (2) is equipped with rotation arch (44), the outside end of rotation arch (44) is equipped with swivel plate (46), the other end of swivel plate (46) is equipped with link plate (47) perpendicularly, link plate (47) are on fixture block (43) for the spacing of second scraper (42).

2. The trimming blade according to claim 1, wherein the outer wall of the rectangular notch (20) is provided with a bevel (25), the bevel (25) being arranged obliquely outwards.

3. The trimming blade according to claim 1, wherein the blade (3) is provided with a pair of waist-shaped holes (30), and the screw (32) is inserted into the waist-shaped holes (30).

4. The trimming blade according to claim 1, wherein the outer end of the second blade (42) has a pointed blade-like configuration.

5. The trimming blade according to claim 1, wherein the clamping block (43) has a right triangle structure, and an inner wall of the clamping block (43) is an inclined wall.

6. The trimming blade according to claim 1, wherein the inner end of the rotary plate (46) is provided with a pressing plate (45) inclined, and an angle formed between a longitudinal direction of the pressing plate (45) and a longitudinal direction of the rotary plate (46) is an obtuse angle.

7. The trimming blade according to claim 1, wherein the rotation protrusion (44) is rotatably provided on the blade housing (2) through a rotation shaft, and a torsion spring is provided on the rotation shaft.

8. The trimming blade according to claim 1, wherein the handle (1) is provided with a concave groove (10), two sides of the concave groove (10) are inclined surfaces, and the outer side end of the handle (1) is provided with an eyelet (11).

9. The trimming cutter according to claim 1, wherein a movable groove (21) is formed in the cutter shell (2), the scraper (3) is arranged in the movable groove (21), and the outer side end of the movable groove (21) extends out of the cutter shell (2);

A movable side groove (23) is formed in one side of the cutter shell (2), the movable block (4) is embedded in the movable side groove (23), a long hole (24) is formed in the outer side of the movable side groove (23), and the clamping block (43) moves in the long hole (24).

10. The trimming cutter according to claim 1, wherein two pairs of connecting convex rods (5) are arranged on the outer wall of the cutter shell (2), a concave cover (50) is sleeved at the rectangular notch (20) of the cutter shell (2), two pairs of clamping plates (51) are arranged on the concave cover (50), clamping grooves (52) are formed in the outer wall of the inner side end of each clamping plate (51), and the connecting convex rods (5) penetrate through the corresponding clamping grooves (52).