CN213646166U

CN213646166U - Circular rotatory cutting die device and section bar cutter

Info

Publication number: CN213646166U
Application number: CN202022602227.7U
Authority: CN
Inventors: 刘刚
Original assignee: Heilongjiang Wankang Jinggong Decoration Engineering Co ltd
Current assignee: Heilongjiang Wankang Jinggong Decoration Engineering Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-09
Anticipated expiration: 2030-11-11

Abstract

A circular rotary cutting die device and a section bar cutting machine relate to equipment for cutting section bars and solve the problem that an inner die in the existing hydraulic cutting machine cannot be detached and replaced, so that the function of the hydraulic cutting machine is single. The utility model relates to a circular rotatory cutting die device includes external mold and centre form, and the centre form rotates and sets up on the external mold, is equipped with the sword groove on the external mold to and be connected for dismantling between the external mold. The embodiment sets the internal mold into a detachable form, and the internal mold can be replaced according to the shape of the cut section bar, so that the application range of the hydraulic cutting machine is increased, and the range of the cut section bar is wider. The inner die rotates relative to the outer die to adjust the cutting position according to the shape of the section bar, so that the cutting is more convenient. The utility model discloses the cutting that can be applicable to multiple section bar.

Description

Circular rotatory cutting die device and section bar cutter

Technical Field

The utility model relates to an equipment of cutting section bar class, concretely relates to circular rotatory cutting die device and section bar cutter.

Background

The known section bar cutting technology adopts a circular saw blade for cutting, and because the production line speed and the cutting speed are asynchronous, a plurality of short pieces are cut by combining and then the secondary cutting is carried out in the subsequent process. The whole process can generate more waste materials and scraps, and has the advantages of large material loss, high labor intensity, low production efficiency and high production cost. Therefore, the hydraulic cutting machine appears on the market, the sectional material is firstly placed into the die, the hydraulic cylinder drives the blade to cut the sectional material, the advantage of the cutting mode is that no scrap is generated, the sectional material is not deformed, the existing hydraulic cutting machine also has certain defects, the die adopts an integral structure and cannot be disassembled and replaced, and the hydraulic cutting machine has certain limitation when cutting the sectional materials with different shapes, so that the hydraulic cutting machine has a single function.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem of centre form non-detachable replacement in the current hydraulic pressure cutter, make its function singleness, and provide a section bar cutter with can dismantle the centre form.

The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:

the first scheme is as follows: a circular rotary cutting die device comprises an outer die and an inner die, wherein a cutter groove is formed in the outer die, the inner die is a cylinder with a cavity (namely the inner die is a shaft with a through hole), and the shape of the cavity is matched with the shape of the section of a section to be cut; the inner mold can rotate in the round hole of the outer mold, and the inner mold is detachably mounted in the round hole of the outer mold.

Further, the inner mold is fixed on the outer mold through a fastening mechanism.

Furthermore, the cross section of the cavity on the inner die is L-shaped, rectangular or circular. (the inner die is a shaft with a square or circular through hole).

Furthermore, the fastening mechanism comprises a fastening screw and an end cover used for fixing the inner die, the end cover is detachably connected with the outer die, the inner die penetrates through the end cover, the end cover is in threaded connection with the fastening screw, and the end of the fastening screw is abutted against the outer surface of the inner die.

Furthermore, the die further comprises a positioning block for adjusting the cutting angle of the section bar, the positioning block is positioned in a cavity (through hole) of the inner die, and the profile of the positioning block is matched with the section bar.

Furthermore, the outer surface of the inner die, which exceeds the circular hole part of the outer die, is also processed with a tooth form along the length direction, an outer circular gear is arranged on the outer die in a rotating manner, the inner die is driven to rotate by the outer circular gear meshed with the tooth form, and the inner die and the outer die are fixed after the inner die rotates to a preset position.

Scheme II: the utility model provides a section bar cutter, includes support body, cutter, pneumatic cylinder and scheme one circular rotatory cutting die device, the cutter with the position of tool way is corresponding, pneumatic cylinder and support body fixed connection, the cutter passes through pneumatic cylinder drive up-and-down motion, can place the section bar that waits to cut and pass the sword groove on the centre form.

Preferably, the profile cutting machine further comprises a transverse adjusting mechanism for adjusting the transverse movement of the outer die.

Preferably, the transverse adjusting mechanism comprises a hand wheel, a linear guide rail, a sliding block, a lead screw, a nut and a support, the linear guide rail is fixedly arranged on the support, the lead screw is arranged on the support in a rotating mode, the axis of the linear guide rail and the axis of the lead screw are arranged in parallel, the sliding block is arranged on the linear guide rail in a sliding mode, the nut is in threaded connection with the lead screw, the sliding block and the nut are respectively connected with the outer die in a detachable mode, the hand wheel is fixedly arranged at the end part of the lead screw, the support is fixed on the frame body, and the outer die is moved along the width direction of the cutter by rotating the hand wheel.

Preferably, a guide rail groove is processed on the outer die, a guide rail is processed on the frame body, the guide rail is connected with the guide rail groove in a sliding fit mode, a lead screw a is rotatably arranged on the frame body, a nut a is screwed on the lead screw a, the nut a is fixedly connected with the outer die, and a hand wheel a is arranged at the end of the lead screw a.

Compared with the prior art, the utility model following beneficial effect has:

the embodiment sets the internal mold into a detachable form, and the internal mold can be replaced according to the shape of the cut section bar, so that the application range of the hydraulic cutting machine is increased, and the range of the cut section bar is wider. The inner die rotates relative to the outer die to adjust the cutting position according to the shape of the section bar, so that the cutting is more convenient.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a schematic view of a lateral adjustment mechanism;

figure 6 is a schematic view of the inner mold meshing with a gear.

Reference numerals: 1. a base; 2. a frame body; 3. an inner mold 3; 4. a cutter; 5. a hydraulic cylinder; 6. fastening screws; 7. an end cap; 8. a hand wheel; 9. a linear guide rail; 10. a slider; 11. a lead screw; 12. a nut; 13. a support; 1-1, a cutter groove; 14. a tool holder; 2-1, a guide post; H. a lateral adjustment mechanism; 15. an outer gear; 3-1, tooth profile; 15-1, circular arc long hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.

Example 1: the embodiment is described below with reference to fig. 1 to 4, and the embodiment relates to a circular rotary cutting die device, which includes an outer die 1 and an inner die 3, where the outer die 1 is provided with a tool slot 1-1, the inner die 3 is a cylinder with a cavity (i.e. the inner die 3 is a shaft with a through hole), and the shape of the cavity matches with the shape of the cross section of a profile to be cut; the inner die 3 can rotate in the round hole of the outer die 1, and the inner die 3 is detachably arranged in the round hole of the outer die 1.

The inner die 3 is fixed on the outer die 1 through a fastening mechanism.

The number of the inner molds 3 can be 2, the inner molds are respectively arranged on the outer molds 1 in a rotating way, one inner mold 3 is provided with a fastening mechanism, and the two inner molds 3 are positioned at two sides of the cutter groove 1-1 and are arranged concentrically.

In order to facilitate the cutting of the section bar, the inner die 3 is a shaft with a through hole, and the shape of the through hole is matched with the shape of the section bar to be cut.

Optionally, the inner die 3 is a shaft with a square or circular through hole.

Alternatively, as shown in fig. 3 and 4, the fastening mechanism comprises a fastening screw 6 and an end cover 7 for fixing the bearing, the end cover is detachably connected with the outer die 1, the inner die 3 penetrates through the end cover 7, the end cover 7 is in threaded connection with the fastening screw 6, and the end of the fastening screw 6 is abutted against the outer surface of the inner die 3.

As shown in fig. 6, the inner mold 3 can be rotated by meshing gears in the present embodiment, and the specific structure thereof may be: the outer surface of the inner die 3, which exceeds the circular hole part of the outer die 1, is also processed with tooth profiles 3-1 along the length direction, the outer die 1 is provided with an outer circular gear 15 in a rotating way through a rotating shaft, an adjusting handle is fixedly arranged at the end part of the rotating shaft, the inner die 3 is driven to rotate through the outer circular gear 15 meshed with the tooth profiles 3-1, and the inner die 3 and the outer die 1 are fixed after rotating a preset position. Optionally, a circular arc-shaped long hole 15-1 is machined in the side face of the outer circular gear 15, a screw is arranged in the circular arc-shaped long hole 15-1, and the screw is in threaded connection with the outer die 1. The two circular arc-shaped long holes 15-1 are arranged symmetrically relative to the excircle gear 15, the inner die 13 is adjusted by rotating the adjusting handle and is fastened by screws.

In order to make the cut section bar be an inclined plane, the embodiment further comprises a positioning block for adjusting the cutting angle of the section bar, the positioning block is located in the cavity (through hole) of the inner die 3, and the shape surface of the positioning block is matched or attached with the corresponding surface of the section bar. The profile is extruded by the wedge-shaped block, so that the profile is not perpendicular to the side surface of the cutter groove 1-1 in the extension aspect, and an inclined surface appears after cutting, for example, for a support adopting square tube welding, the inclined surface is cut to facilitate welding, the length of a welding line is increased, and the overall strength of the support is improved.

Example 2: a section bar cutting machine is shown in figures 1-3 and comprises a frame body 2, a cutter 4, a hydraulic cylinder 5 and a circular rotary cutting die device in embodiment 1, wherein the cutter 4 corresponds to the position of a cutter groove 1-1, the hydraulic cylinder 5 is fixedly connected with the frame body 2, the cutter 4 is driven by the hydraulic cylinder 5 to move up and down, and a section bar to be cut and penetrating through the cutter groove 1-1 can be placed on an inner die 3.

Specifically, as shown in fig. 1, four guide posts 2-1 are arranged on a frame body 2, a tool rest 14 is arranged on the guide posts 2-1, a linear bearing which is slidably connected with the guide posts 2-1 is arranged between the tool rest 14 and the guide posts 2-1, the tool rest 14 is connected with a cutter 4 through a bolt, the tool rest 14 is driven by a hydraulic cylinder 5 to move up and down along the guide posts 2-1, and the cutter 4 enters a cutter groove 1-1 to cut the section.

Optionally, the present embodiment further comprises a lateral adjustment mechanism H for adjusting the lateral movement of the outer die 1.

In order to make the external mold 1 and the frame body 2 relatively move to adjust the position of the cutter 4 relative to the cutting of the profile, the first structure in the embodiment is as follows: and a transverse adjusting mechanism H for adjusting the transverse movement of the outer die 1 is also included.

Specifically, as shown in fig. 3 and 5, the transverse adjusting mechanism H includes a hand wheel 8, a linear guide 9, a slider 10, a lead screw 11, a nut 12 and a support 13, the linear guide 9 is fixedly disposed on the support 13, the lead screw 11 is rotatably disposed on the support 13, an axis of the linear guide 9 and an axis of the lead screw 11 are parallel to each other, the slider 10 is slidably disposed on the linear guide 9, the nut 12 is in threaded connection with the lead screw 11, the slider 10 and the nut 12 are respectively connected with the outer mold 1 in a detachable manner, the end of the lead screw 11 is fixedly provided with the hand wheel 8, the support 13 is fixed on the frame body 2, and the outer mold 1 is moved along the width direction of the cutter 4 by rotating the hand wheel 8 to adjust the cutting position of the cutter 4 relative to the profile.

The second structure is as follows: a guide rail groove is processed on the outer die 1, a guide rail is processed on the frame body 2 and is connected with the guide rail groove in a sliding fit mode, a lead screw a is arranged on the frame body 2 in a rotating mode, a screw nut a is connected onto the lead screw a in a threaded mode and fixedly connected with the outer die 1, and a hand wheel a is arranged at the end portion of the lead screw a. The guide rail groove can be a dovetail groove or a T-shaped groove, and the guide rail is a dovetail-shaped guide rail or a T-shaped guide rail.

Although the present invention has been described in detail with reference to certain specific embodiments, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A circular rotary cutting die device is characterized by comprising an outer die (1) and an inner die (3), wherein a knife groove (1-1) is formed in the outer die (1), the inner die (3) is a cylinder with a cavity, and the shape of the cavity is matched with the shape of the section of a section to be cut; the inner die (3) can rotate in the round hole of the outer die (1), and the inner die (3) is detachably arranged in the round hole of the outer die (1).

2. A circular rotary cutting die apparatus as claimed in claim 1, wherein the inner die (3) is secured to the outer die (1) by fastening means.

3. The circular rotary cutting die device according to claim 1, wherein the cross-sectional shape of the die cavity on the inner die (3) is L-shaped, rectangular or circular.

4. A circular rotary cutting die device according to claim 2, characterized in that the fastening mechanism comprises a fastening screw (6) and an end cover (7) for fixing the inner die (3), the end cover (7) is detachably connected with the outer die (1), the inner die (3) passes through the end cover (7), the end cover (7) is in threaded connection with the fastening screw (6), and the end of the fastening screw (6) is against the outer surface of the inner die (3).

5. The circular rotary cutting die device according to any one of claims 2 to 4, further comprising a positioning block for adjusting the cutting angle of the section bar, wherein the positioning block is positioned in the cavity of the inner die (3), and the profile surface of the positioning block is matched with the section bar.

6. The circular rotary cutting die device according to claim 1, characterized in that the outer surface of the inner die (3) beyond the circular hole part of the outer die (1) is processed with tooth profiles (3-1) along the length direction thereof, the outer die (1) is provided with an external gear (15) through a rotating shaft, the inner die (3) is driven to rotate through the external gear (15) meshed with the tooth profiles (3-1), and the inner die (3) and the outer die (1) are fixed after rotating a preset position.

7. A section bar cutting machine is characterized by comprising a frame body (2), a cutting knife (4), a hydraulic cylinder (5) and the circular rotary cutting die device as claimed in any one of claims 1-5, wherein the cutting knife (4) corresponds to the position of the knife groove (1-1), the hydraulic cylinder (5) is fixedly connected with the frame body (2), the cutting knife (4) is driven to move up and down by the hydraulic cylinder (5), and a section bar to be cut and penetrating through the knife groove (1-1) can be placed on an inner die (3).

8. A profile cutting-off machine according to claim 7, characterized by further comprising a lateral adjustment mechanism (H) for adjusting the lateral movement of the outer die (1).

9. The section bar cutting machine according to claim 8, characterized in that the transverse adjusting mechanism (H) comprises a hand wheel (8), a linear guide rail (9), a sliding block (10), a lead screw (11), a nut (12) and a support (13), the linear guide rail (9) is fixedly arranged on the support (13), the lead screw (11) is rotatably arranged on the support (13), the axis of the linear guide rail (9) and the axis of the lead screw (11) are arranged in parallel, the sliding block (10) is slidably arranged on the linear guide rail (9), the nut (12) is in threaded connection with the lead screw (11), the sliding block (10) and the nut (12) are respectively in detachable connection with the outer die (1), the hand wheel (8) is fixedly arranged at the end of the lead screw (11), the support (13) is fixed on the frame body (2), the outer die (1) is moved along the width direction of the cutter (4) by rotating the hand wheel (8), so as to adjust the cutting position of the cutter (4) relative to the section bar.

10. The section bar cutting machine according to claim 7, characterized in that the outer die (1) is provided with a guide rail groove, the frame body (2) is provided with a guide rail, the guide rail is connected with the guide rail groove in a sliding fit manner, the frame body (2) is rotatably provided with a lead screw a, the lead screw a is screwed with a screw nut a, the screw nut a is fixedly connected with the outer die (1), and the end part of the lead screw a is provided with a hand wheel a.