Adjustable manual plate bending device

Abstract

The utility model discloses an adjustable manual plate bending device which comprises two working table tops and a bending wheel set a capable of rotating and bending, and the bending wheel set a is provided with a driven wheel set which moves synchronously through a transmission piece. The transmission part comprises a driving gear, a sliding rack and a driven gear, the sliding rack is slidably installed on the working table top through a sliding rail, meshing teeth are arranged on the two sides of the sliding rack, and the driving gear meshed with one side of the sliding rack is fixed to the bottom of the bending wheel set a. A driven gear meshed with the other side of the sliding rack is fixed to the bottom of the driven wheel set. According to the adjustable manual plate bending device, the bending wheel set a and the driven wheel set synchronously work and are in transmission through the transmission part, so that the bending wheel set a and the driven wheel set synchronously conduct bending operation, when an n-shaped metal part is machined, the bending driving frequency is reduced, meanwhile, the position of the metal part does not need to be adjusted for the second time, machining steps are simplified, and machining efficiency is improved. And the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to a bending tool, in particular to an adjustable manual plate bender. Background Art

[0002] Sheet metal bending machines are divided into manual bending machines, hydraulic bending machines and CNC bending machines. Bending machines are divided into manual bending machines, hydraulic bending machines and CNC bending machines. Hydraulic bending machines can be divided into torsion axis synchronization, machine-hydraulic synchronization, and electro-hydraulic synchronization according to the synchronization method.

[0003] A manual bender is a device that bends metal parts by manual drive. The device is usually provided with a fulcrum and a rotatable bending component. The metal part is bent at the fulcrum through the bending component so that the metal part is bent at a certain angle. The manual bender can only bend the metal part once at a time. If the metal part needs to be bent into a rectangle or a Π shape, at least two bends are required. For this repetitive single action, simplifying the number of bending times can effectively improve the working efficiency. For this purpose, technical improvements are made to the manual bender of the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable manual plate bender to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An adjustable manual plate bender comprises two working tables and a rotatable bending wheel set a, wherein the bending wheel set a is installed with a driven wheel set that moves synchronously through a transmission member;

[0007] The transmission member includes a driving gear, a sliding rack and a driven gear. The sliding rack is slidably mounted on the work surface through a slide rail. Meshing teeth are arranged on both sides of the sliding rack. A driving gear meshing with one side of the sliding rack is fixed at the bottom of the bending wheel group a, and a driven gear meshing with the other side of the sliding rack is fixed at the bottom of the driven wheel group.

[0008] The driven wheel group and the bending wheel group a have the same structure, and the tops of the driven wheel group and the bending wheel group a are both provided with a bending wheel group b and a positioning wheel group.

[0009] As a further solution of the utility model: a slide groove is arranged on the work surface, and a sliding block located in the slide groove and capable of sliding in the slide groove is arranged at the bottom of the driven wheel group.

[0010] As a further solution of the utility model: a positioner located on both sides of the slide slot is fixed on the top of the work surface, a bolt sliding slot is provided in the positioner, and a fastening bolt passing through the bolt sliding slot is threadedly connected to the slider, and the positioner is limited to a convenient position of the slide slot by tightening the fastening bolt.

[0011] As a further solution of the utility model: an arc groove is provided on the driven wheel group, and the bending wheel group b and the movable wheel group are arranged in the arc groove.

[0012] As a further solution of the utility model: a screw rod is arranged at the bottom of the bending wheel set b, and the screw rod is fixed on the arc groove of the driven wheel set by a positioning bolt.

[0013] As a further solution of the utility model: the height between the two work surfaces is limited by a height limiting tube and a height limiting plate, the two work surfaces are fixed to the height limiting tube or the height limiting plate by bolts, and the driving gear, sliding rack and driven gear are all located between the two work surfaces.

[0014] As a further solution of the utility model: a bending handle is fixed on the bending wheel set a by bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The adjustable manual plate bender works synchronously with the bending wheel group a and the driven wheel group through a transmission member, so that the bending wheel group a and the driven wheel group perform bending operations synchronously. When processing Π-shaped metal parts, not only the number of bending drives is reduced, but also there is no need to adjust the position of the metal parts for a second time, which simplifies the processing steps and can greatly improve the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an adjustable manual plate bender;

[0018] Figure 2 It is a structural exploded view of an adjustable manual plate bender;

[0019] Figure 3 The figure is a top view of the structure of an adjustable manual sheet metal bender.

[0020] In the figure: 1. working table; 2. height limiting tube; 3. bending wheel set a; 4. bending handle; 5. driving gear; 6. sliding rack; 7. driven gear; 8. driven wheel set; 9. arc groove; 10. slider; 11. positioning bolt; 12. fastening bolt; 13. positioner; 14. bending wheel set b; 15. positioning wheel set; 16. height limiting plate. DETAILED DESCRIPTION

[0021] See also Figures 1 to 3 In the embodiment of the utility model, the adjustable manual plate bender includes two working tables 1 and a rotatable bending wheel group a3. The bending wheel group a3 is installed with a driven wheel group 8 that moves synchronously through a transmission member. The bending wheel group a3 and the driven wheel group 8 work synchronously and bend a metal part twice at the same time. For the Π-shaped bending process, it is only necessary to set the distance between the bending wheel group a3 and the driven wheel group 8 to be the same as the distance between the two bending points.

[0022] The transmission member includes a driving gear 5, a sliding rack 6 and a driven gear 7. The sliding rack 6 is slidably mounted on the work surface 1 through a slide rail 17. Meshing teeth are arranged on both sides of the sliding rack 6. A driving gear 5 meshing with one side of the sliding rack 6 is fixed at the bottom of the bending wheel group a3. A driven gear 7 meshing with the other side of the sliding rack 6 is fixed at the bottom of the driven wheel group. When the bending wheel group a3 is driven to bend, the bending wheel group a3 will also drive the driving gear 5 to slide the sliding rack 6. The sliding of the sliding rack 6 drives the meshing driven gear 7 to rotate.

[0023] The driven wheel group 8 and the bending wheel group a3 have the same structure. The tops of the driven wheel group 8 and the bending wheel group a3 are both provided with a bending wheel group b14 and a positioning wheel group 15. The driven gear 7 rotates to drive the driven wheel group 8 to rotate, thereby achieving the effect of bending the workpiece twice with one drive, simplifying the number of bending drives. For metal parts with Π-shaped bends, only one drive is required to complete the forming, which not only reduces the number of bending drives and improves work efficiency, but also does not require a secondary adjustment of the position of the metal parts, simplifies the processing steps, and can greatly improve work efficiency.

[0024] In a preferred embodiment, a slide groove is provided on the work surface 1, and a slider 10 located in the slide groove and capable of sliding in the slide groove is provided at the bottom of the driven wheel group 8. Since the distance length between the bending wheel group a3 and the driven wheel group 8 required for each batch production of metal parts is different, it is necessary to set the driven wheel group 8 to be movable so that the distance between the bending wheel group a3 and the driven wheel group 8 becomes adjustable, which can better control the distance between the two bending points during Π-shaped bending.

[0025] In a preferred embodiment, a locator 13 located on both sides of the slide groove is fixed on the top of the work table 1, and a bolt sliding groove is opened in the locator 13. A fastening bolt 12 that passes through the bolt sliding groove is threadedly connected to the slider 10. The locator 13 is limited to a convenient position of the slide groove by tightening the fastening bolt 12. The slider 10 slides in the slide groove, and the fastening bolt 12 installed on the slider 10 slides in the bolt sliding groove. After the distance adjustment of the driven wheel group 8 is completed, the fastening bolt 12 is used to limit the position, so that the position of the driven wheel group 8 is fixed to prevent displacement during bending.

[0026] In a preferred embodiment, an arc groove 9 is provided on the driven wheel group 8, and the bending wheel group b14 and the movable wheel group are arranged in the arc groove 9. A screw is provided at the bottom of the bending wheel group b14, and the screw is fixed to the arc groove 9 of the driven wheel group 8 by a positioning bolt 11. During the movement of the driven wheel group 8, the driven gear 7 will rotate with the adjustment distance, and the driven wheel group 8 will also rotate together, causing the bending wheel group b14 to be offset and the metal parts cannot be inserted. For this reason, the bending wheel group b14 is moved on the arc groove 9 to adjust the initial position of the bending wheel group b14.

[0027] In a preferred embodiment, the height between the two work surfaces 1 is limited by a height limiting tube 2 and a height limiting plate 16, the two work surfaces 1 are fixed to the height limiting tube 2 or the height limiting plate 16 by bolts, the driving gear 5, the sliding rack 6 and the driven gear 7 are all located between the two work surfaces 1, and a bending handle 4 is fixed to the bending wheel group a3 by bolts.

[0028] It should be noted that the above embodiments all belong to the same utility model concept, and the description of each embodiment has its own focus. For matters that are not described in detail in some embodiments, reference can be made to the description in other embodiments.

[0029] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An adjustable manual plate bender, comprising two working tables (1) and a rotatable bending wheel set a (3), characterized in that: The bending wheel set a (3) is installed with a driven wheel set (8) that moves synchronously via a transmission member; The transmission member comprises a driving gear (5), a sliding rack (6) and a driven gear (7); the sliding rack (6) is slidably mounted on the work surface (1) via a slide rail (17); both sides of the sliding rack (6) are provided with meshing teeth; a driving gear (5) meshing with one side of the sliding rack (6) is fixed at the bottom of the bending wheel group a (3); and a driven gear (7) meshing with the other side of the sliding rack (6) is fixed at the bottom of the driven wheel group; The driven wheel assembly (8) and the bending wheel assembly a (3) have the same structure, and a bending wheel assembly b (14) and a positioning wheel assembly (15) are provided on the top of each of the driven wheel assembly (8) and the bending wheel assembly a (3).

2. The adjustable manual sheet metal bender according to claim 1, characterized in that: The work surface (1) is provided with a slide groove, and the bottom of the driven wheel group (8) is provided with a sliding block (10) located in the slide groove and capable of sliding in the slide groove.

3. The adjustable manual sheet metal bender according to claim 2, characterized in that: A positioner (13) located on both sides of the slide groove is fixed on the top of the work surface (1), a bolt slide groove is provided in the positioner (13), a fastening bolt (12) penetrating the bolt slide groove is threadedly connected to the slider (10), and the positioner (13) is limited to a convenient position of the slide groove by tightening the fastening bolt (12).

4. The adjustable manual sheet metal bender according to claim 2, characterized in that: The driven wheel set (8) is provided with an arc groove (9), and the bending wheel set b (14) and the movable wheel set are arranged in the arc groove (9).

5. The adjustable manual sheet metal bender according to claim 4, characterized in that: A screw rod is provided at the bottom of the bending wheel assembly b (14), and the screw rod is fixed to the arc groove (9) of the driven wheel assembly (8) via a positioning bolt (11).

6. The adjustable manual sheet metal bender according to claim 1, characterized in that: The height between the two working surfaces (1) is limited by a height limiting tube (2) and a height limiting plate (16), the two working surfaces (1) are fixed to the height limiting tube (2) or the height limiting plate (16) by bolts, and the driving gear (5), the sliding rack (6) and the driven gear (7) are all located between the two working surfaces (1).

7. The adjustable manual sheet metal bender according to claim 1, characterized in that: A bending handle (4) is fixed to the bending wheel assembly a (3) via bolts.

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