CN210548445U - Plate shearing and bending device - Google Patents

Abstract

The utility model relates to a plate shearing and bending device, which is used for shearing a corrugated plate to form a trapezoidal notch required during installation and mainly comprises a base, wherein one end of the base is provided with two scissors and a force application mechanism for driving the two scissors; particularly, one blade of the scissors is not provided with a handle, an arc-shaped stressed edge is only formed on the rear edge of the blade, the force application mechanism is provided with two rocker arms which are driven by the rocker arms to swing up and down, and a force application rod is bridged between the two rocker arms to enable the force application rod to be propped against the stressed edge of the blade, so that the blade can be pushed to generate a larger shearing force in a labor-saving manner, and two notches are cut on the edge of a plate. Additionally, the utility model discloses still be equipped with the bending mechanism with this application of force mechanism interlock, can turn over the slab in the lump between the twice incision and turn over in, required trapezoidal breach when making the edge of panel form the installation.

Description

Plate shearing and bending device

Technical Field

The utility model relates to a panel is cuted and is buckled the utensil, and more specifically says, is a panel is cuted and is buckled the utensil for cuting unrestrained board or other panel, can cut the edge of panel and buckle out required trapezoidal breach when installing.

Background

The corrugated panels of today are usually implemented as steel plates with a continuous trapezoidal cross section, which can be used to construct roofs, rain shelters or side walls, etc. Because the corrugated board is a continuous trapezoidal plate, a large seam is formed when one end of the corrugated board is abutted against a wall surface, or the seam is also large when a mountain-shaped roof is built, the lap joint end needs to be coated with a trimming plate, and a smaller seam is filled with silicon rubber and the like. However, when the board is combined with the corrugated board, the edge of the board must be cut into the trapezoidal notch, so that the trapezoidal notch is sleeved on the trapezoidal board of the corrugated board, and thus, the complete edge folding engineering can be made.

The known technology for shearing the trapezoidal notch at the edge of the plate is carried out by a worker holding a pair of scissors, so that the beautiful and neatly-scribed trapezoidal notch cannot be sheared, the scissors apply force to shear the trapezoidal notch, physical strength is consumed considerably, and construction action is slow.

Therefore, the inventor has proposed various designs of plate cutting and bending mechanisms, such as shown in taiwan patent publication M530228, which can be applied to cut edges of corrugated board or other plates to form trapezoidal notches required for installation of corrugated board or other plates. The scheme is a further improvement of the prior plate shearing device, so as to achieve the aims of more labor-saving shearing and plate bending, quick construction and more convenient operation.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the inventor is not perfected, and is therefore interested in studying and overcoming the shortcomings, and based on the accumulated experience of the inventor in the industry for many years, a plate shearing and bending device is further developed to achieve the purposes of labor-saving plate shearing and bending, fast construction and convenient operation.

The utility model discloses a main objective and other aim at provide a panel is cuted and utensil of buckling for the edge of cuting unrestrained board or other panel buckles simultaneously, required trapezoidal breach when making the edge formation installation of panel such as unrestrained board, and then reach more laborsaving shearing and buckle panel, the construction is quick, and efficiency such as convenient operation.

In order to achieve the above and other objects, the present invention provides a panel cutting and bending device for cutting and bending panels such as corrugated panels, preferably comprising a base having two pivoting seats at a first end thereof; two scissors symmetrically arranged at two sides of the first end of the base, each of the scissors is provided with a first blade and a second blade which protrude out of the first end of the base; the rear end of the first blade forms a fixed part which is fixed on the base; the second blade is rotatably pivoted on the first blade, and a stress edge is formed at the back of the second blade; a force application mechanism which is provided with a rotating shaft, and the rotating shaft is rotatably and horizontally arranged between the two pivoting seats; one end of the rocker is combined on the rotating shaft to rock the rotating shaft to rotate; the two rocker arms are combined at two ends of the rotating shaft, and one ends of the two rocker arms are driven by the rotating shaft to swing up and down; the force application rod is bridged between the two rocker arms, the rod body of the force application rod is propped against the stressed edge of the second blade, and the force application rod swings up and down to push the cutting edge of the second blade to be close to and separate from the cutting edge of the first blade; and a bending mechanism arranged on the first end of the base and provided with a folding plate member driven by the force applying mechanism.

In the plate shearing and bending device, the force-bearing edge of the second blade is an arc-shaped edge facing to the rear lower surface, and the force-applying rod is propped against the arc-shaped edge.

In the above-mentioned plate shearing and bending device, the scissors have a first elastic element, and the first elastic element drives the cutting edge of the second blade to separate from the cutting edge of the first blade.

In the above-mentioned plate shearing and bending device, the first elastic element is an extension spring, and the extension spring is connected between the base and the second blade.

In the above-mentioned plate shearing and bending device, the two pivoting seats are respectively provided with a bearing, and two ends of the rotating shaft penetrate through the bearings.

In the plate shearing and bending device, the bending mechanism comprises a sleeve which is rotatably sleeved on the rotating shaft; one end of the first connecting rod is fixed on the sleeve; one end of the second connecting rod is pivoted on the first connecting rod, and the other end of the second connecting rod is pivoted on the first pivoting position of the folded plate member; one end of the third connecting rod is pivoted at the second pivoting position of the folded plate component, the other end of the third connecting rod is pivoted on the base, and the third connecting rod is provided with a lug which abuts against the rod body of the force application rod.

In the above-mentioned plate shearing and bending device, the sleeve has a strip groove communicated to the inside, the strip groove extends along the circumference of the sleeve for a circumference, and one end of the rocker passes through the strip groove to be coupled to the rotating shaft.

In the above-mentioned apparatus for cutting and bending a sheet material, the flap member is a rod, one end of the flap member has the first pivot position and the second pivot position, respectively, and the other end of the flap member can be turned over upward to bend the sheet material.

In the above-mentioned apparatus for shearing and bending a sheet material, the bending mechanism has a second elastic element, and the second elastic element drives the flap member to return to the original position.

The utility model discloses a panel is cuted and utensil of buckling can use this base to place on trapezoidal unrestrained board, makes the edge of a knife of two scissors link up the edge of panel such as another unrestrained board, again by user operation forcing mechanism's rocker, drives this rocking arm and this application of force pole and up swings, causes this application of force pole to promote this second blade, and then cuts out two incisions at the unrestrained board. Then, the rocker is operated continuously to drive the bending mechanism, so that the other end of the folded plate member is turned upwards to bend the plate between the two notches, and the plate forms a trapezoidal notch required by mounting other corrugated plates, thereby achieving the effects of labor-saving shearing and bending of the plate, rapid construction, convenient operation and the like.

Drawings

FIG. 1 is a reference view of a preferred embodiment of a sheet shearing and bending apparatus of the present application in use.

FIG. 2 is a front perspective view of a preferred embodiment of the present invention.

FIG. 3 is a rear perspective view of a preferred embodiment of the apparatus for shearing and bending sheet material of the present application.

FIG. 4 is a schematic top view of a preferred embodiment of the apparatus of the present invention.

FIG. 5 is a schematic longitudinal cross-sectional view of a preferred embodiment of the present invention.

FIG. 6 is a schematic view of the shearing action of the preferred embodiment of the apparatus for shearing and bending sheet material according to the present application.

FIG. 7 is a schematic view of the bending operation of the preferred embodiment of the apparatus for shearing and bending sheet material of the present application.

Description of the symbols

10 wave board

20 sheet material

201 trapezoidal notch

202 incision

203 plate

1 base

11 pivoting seat

12 pivoting part

2 scissor

21 first blade

211 knife edge

212 fixed part

22 second blade

221 blade

222 stress bearing edge

23 first elastic element

231 tension spring

24 fixing element

A knife edge

3 force applying mechanism

31 rotating shaft

32 rocker

33 Rocker arm

34 force applying rod

4 bending mechanism

41 flap member

411 first pivoting position

412 second pivot position

42 sleeve

421 strip-shaped grooves

43 first link

44 second connecting rod

45 third connecting rod

451 Tab

46 second elastic element

461 tension spring

Detailed Description

To fully understand the objects, features and functions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for the following embodiments:

referring to fig. 1, a plate cutting and bending device according to the present invention is used to cut another corrugated plate or other plates 20 on a corrugated plate 10, so as to form a trapezoidal notch 201 required for assembling the corrugated plate 10. Referring to fig. 2, 3, 4 and the drawings together, the preferred embodiment of the present invention comprises a base 1, two scissors 2, a force applying mechanism 3 and a bending mechanism 4, wherein:

referring to fig. 2 and 3, the base 1 is a metal plate bent into a trapezoidal configuration with a narrow top and a wide bottom, an inverted-u configuration or other shapes, preferably a trapezoidal configuration corresponding to the size of a general corrugated board, and can be quickly fitted on a corrugated board 10 with a trapezoidal cross section (as shown in fig. 1); two symmetrical pivoting seats 11 are arranged on the first end of the base 1, and a bearing is respectively arranged in the two pivoting seats 11; the base 1 is provided with a pivot portion 12 (as shown in fig. 4 and 5) at the middle of the first end, and two pivot seats 11 and a pivot portion 12 are used for mounting the following components.

Referring to fig. 3, 5 and 6, the two scissors 2 are symmetrically disposed at two sides of the first end of the base 1, and each of the scissors 2 has a first blade 21 and a second blade 22 protruding from the first end of the base 1; the first blade 21 is in an L-shaped configuration, the front end of the first blade is a blade 211, the rear end of the first blade forms a fixing part 212, and the first blade 21 is fixed on the side surface of the base 1 through the fixing part 212 and a plurality of fixing elements 24; the lower end of the second blade 22 is pivotally connected to the inner surface of the first blade 21, the front edge of the second blade 22 forms a convex arc-shaped blade 221, and the rear edge forms a concave arc-shaped force-receiving edge 222, so that the second blade 22 can be pushed to make the second blade 22 close to or separate from the first blade 21 when a force is applied to the force-receiving edge 222. Wherein the force-receiving edge 222 of the second blade 21 is preferably implemented as an arc-shaped edge facing backward and downward; furthermore, each of the scissors 2 may further implement a first elastic element 23, the first elastic element 23 drives the cutting edge of the second blade 22 to separate from the cutting edge of the first blade 21, one of the preferred embodiments of the first elastic element 23 is an extension spring 231, the extension spring 231 is connected between the pivot seat 11 (or other parts) of the base 1 and the second blade 22, so that each of the scissors 2 can open the cutting edge thereof.

Referring to fig. 3, 4 and 5, the force applying mechanism 3 preferably has a rotating shaft 31, and the rotating shaft 31 is rotatably and horizontally disposed between the two pivoting bases 11, so that two ends thereof respectively pass through the bearings of the two pivoting bases 11; a rocker 32, one end of the rocker 32 is connected to the upper surface of the middle of the rotating shaft 31, so that the user can hold the rocker 32 to rotate the rotating shaft 31; two rocker arms 33, the two rocker arms 33 are combined at two ends of the rotating shaft 31 and are positioned at the outer sides of the two pivoting seats 11, so that the two rocker arms 33 can be driven by the rotating shaft 31 to enable one end (front end) to swing up and down; and a force application rod 34, the force application rod 34 is bridged between the front ends of the two rocker arms 33, the upper surface of the rod body of the force application rod 34 can be abutted against the arc-shaped edge 222 of the second blade 22 when rising (as shown in fig. 6), and further the second blade 22 is pushed to be close to the first blade 21, so that the upward and downward swinging of the force application rod 34 can push the cutting edge 221 of the second blade 22 to be close to and separate from the cutting edge 211 of the first blade 21.

Referring to fig. 2 to 5, the bending mechanism 4 is disposed on the first end of the base 1 and mainly includes a folding plate member 41 that can be driven by the force applying mechanism 3; the preferred embodiment of the bending mechanism 4 comprises a sleeve 42, the sleeve 42 is rotatably sleeved on the rotating shaft 31 of the force applying mechanism 3, the sleeve 42 has a strip groove 421 communicated with the inside, the strip groove 421 extends along the circumference of the sleeve 42 for a circumference, so that one end of the rocker 32 passes through the strip groove 421 to be combined on the rotating shaft 31; a first link 43, one end of the first link 43 is fixed on the sleeve 42; a second link 44, one end of the second link 44 is pivoted to the first link 43, and the other end of the second link 44 is pivoted to the first pivot 411 of the flap member 41; a third connecting rod 45, one end of the third connecting rod 45 is pivoted to the second pivoting position 412 of the flap member 41, the other end is pivoted to the pivoting portion 12 on the base 1, and a protruding piece 451 is arranged behind the third connecting rod 45, and the lower edge of the protruding piece 451 abuts against the shaft of the force application rod 34.

Referring to fig. 5, the flap member 41 is preferably implemented as a rod, one end of the flap member 41 has the first pivot joint 411 and the second pivot joint 412, respectively, and the other end of the flap member 41 can be turned upwards to bend the plate material. Also, the bending mechanism 4 may be implemented with a second elastic element 46, the second elastic element 46 is used to drive the flap member 41 to return to the original position, and the second elastic element 46 is preferably a tension spring 461 connected between the flap member 41 and the base 1.

To sum up, the utility model discloses a when the utensil is cuted and is buckled to panel uses, refer to fig. 5 and show, remove earlier the utility model discloses a utensil is cuted and is buckled to panel makes the edge of a knife A of these two scissors 2 hold up the edge of a panel 20. Referring to fig. 6, when the user rotates the rocker 32 of the force applying mechanism 3 backwards, the rocker 32 synchronously drives the rotating shaft 31, the two rocker arms 33 and the force applying rod 34 to swing upwards, so that the force applying rod 34 abuts against the force applying edge 222 of the second blade 22 to push the second blade 22 upwards, and further the knife edges a of the second blade 22 and the first blade 21 are closed, so as to cut two cuts 202 (as shown in fig. 1) at the edge of the plate.

Referring to fig. 1, if the plate 203 between the two notches 202 is to be folded inward, referring to fig. 7, as long as the rocker 32 is further rotated backward, the rocker 32 abuts against the rear end of the strip-shaped groove 421 of the sleeve 42, so as to drive the sleeve 42 and the first connecting rod 43 to rotate backward, and the first connecting rod 43 drives the second connecting rod 44 to rotate downward at the same time; the two rocker arms 33 and the force application rod 34 still continue to swing upwards at the same time, so that the force application rod 34 pushes the lower edge of the lug 451 of the third connecting rod 45, and the third connecting rod 45 rotates forwards; thus, the bending mechanism 4 turns the flap member 41 forward and upward by the four-bar mechanism, and when the flap member is turned, the sheet 203 between the two notches 202 is pushed to fold inward (as shown in fig. 1 and 7), so that the sheet 20 forms the required trapezoidal notch 201.

The present invention has been described in terms of the preferred embodiment, but those skilled in the art should understand that this embodiment is only used to depict the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that equivalent changes and substitutions to those of the embodiment are also intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (9)

1. A panel shearing and bending tool for shearing and bending a panel, comprising:

a base, on the first end of which two pivoting seats are arranged;

two scissors symmetrically arranged at two sides of the first end of the base, each of the scissors is provided with a first blade and a second blade which protrude out of the first end of the base; the rear end of the first blade forms a fixed part which is fixed on the base; the second blade is rotatably pivoted on the first blade, and a stress edge is formed at the back of the second blade;

a force application mechanism which is provided with a rotating shaft, and the rotating shaft is rotatably and horizontally arranged between the two pivoting seats; one end of the rocker is combined on the rotating shaft to rock the rotating shaft to rotate; the two rocker arms are combined at two ends of the rotating shaft, and one ends of the two rocker arms are driven by the rotating shaft to swing up and down; the force application rod is bridged between the two rocker arms, the rod body of the force application rod is propped against the stressed edge of the second blade, and the force application rod swings up and down to push the cutting edge of the second blade to be close to and separate from the cutting edge of the first blade; and a bending mechanism arranged on the first end of the base and provided with a folding plate member driven by the force applying mechanism.

2. The apparatus according to claim 1, wherein the force-receiving edge of the second blade is a curved edge facing rearward and downward, and the force-receiving bar abuts against the curved edge.

3. A sheet material cutting and bending apparatus according to claim 1 or 2, wherein the shears have a first resilient member which urges the cutting edge of the second blade away from the cutting edge of the first blade.

4. A sheet material cutting and bending apparatus according to claim 3, wherein said first resilient element is an extension spring connected between said base and said second blade.

5. The apparatus according to claim 1, wherein the two pivoting seats are respectively provided with a bearing, and two ends of the shaft pass through the bearings.

6. The apparatus according to claim 1, wherein the bending mechanism comprises a sleeve rotatably disposed around the shaft; one end of the first connecting rod is fixed on the sleeve; one end of the second connecting rod is pivoted on the first connecting rod, and the other end of the second connecting rod is pivoted on the first pivoting position of the folded plate member; one end of the third connecting rod is pivoted at the second pivoting position of the folded plate component, the other end of the third connecting rod is pivoted at a pivoting part on the base, and the third connecting rod is provided with a lug which is abutted against the rod body of the force application rod.

7. The apparatus according to claim 6, wherein the sleeve has a groove communicating with the inside, the groove extending along a circumference of the sleeve for a circumference, and one end of the rocking lever passes through the groove to be coupled to the rotating shaft.

8. A sheet cutting and bending apparatus according to claim 6 wherein the flap member is a bar having one end thereof provided with the first and second pivotal connections respectively and the other end thereof being capable of being flipped upwardly to bend the sheet.

9. The sheet cutting and bending apparatus according to claim 8 wherein the bending mechanism has a second resilient element that urges the flap member back into position.

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