CN210995923U

CN210995923U - Bending device

Info

Publication number: CN210995923U
Application number: CN201921704794.4U
Authority: CN
Inventors: 李熙讚
Original assignee: Jiangsu Hesi Mould Co ltd
Current assignee: Jiangsu Hesi Mould Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-14
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a bending device belongs to stamping die technical field. The utility model comprises a frame, an upper die base, a bending knife, a lower die base, a lower press plate, a vertical jack and a reset spring which are arranged in the frame, wherein the bending knife is arranged on the upper die base, and the lower die base is fixedly connected with a left slide block and a right slide block through two ends and can move up and down along the frame; the lower pressing plate is arranged on the lower die base; the vertical jack can drive the lower die holder to move upwards, the upper pressing plate makes relative motion to the bending knife, and the to-be-bent operation placed between the upper pressing plate and the bending knife is subjected to the relative acting force of the cutting edge and the lower pressing plate, so that deformation is generated, and finally the angle of the cutting edge is bent. The utility model discloses simple structure, convenient operation is fit for using widely.

Description

Bending device

Technical Field

The utility model relates to a stamping die technical field, concretely relates to bending device.

Background

With the progress of society and the development of manufacturing industry, more and more bending pieces, such as cutting knives in automobile interior trim panel manufacturing molds, appear in the machined finished products. As an important type of die structure, a bending die is widely used in a plate bending process. In the prior art, various plate bending forming dies exist; however, with the patent numbers: 201811439849.3, the patent name of the invention is 'a bending forming die', for example, a hydraulic cylinder, a motor and the like are needed as power devices, the structure is complicated, and the die is not suitable for being popularized and used on site.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure's a bending device.

The technical scheme of the utility model is that: a bending device comprises a frame, an upper die base, a bending knife, a lower die base, a lower pressing plate, a vertical jack and a reset spring, wherein the upper die base, the bending knife, the lower die base, the lower pressing plate, the vertical jack and the reset spring are arranged in the frame; a lower die base is arranged right below the upper die base, a lower slot for accommodating the lower pressing plate is arranged at the upper end of the lower die base, and a lower fixed mounting hole for fixed mounting is formed in the lower slot; the two ends of the lower die holder are respectively and fixedly connected with a left sliding block and a right sliding block, a left sliding rail and a right sliding rail are fixedly arranged in the middle positions of the left supporting beam and the right supporting beam, the left sliding rail is matched with the left sliding block, and the right sliding rail is matched with the right sliding block; the bending knife is provided with a blade which protrudes downwards, and the lower pressing plate is provided with a groove matched with the shape of the blade; the lower die base is placed on the vertical jack, the base of the vertical jack is fixedly arranged on the bottom plate, and the adjusting bolt at the top of the vertical jack is arranged close to the lower die base and supports the lower die base; two groups of pull rings are arranged on the relative positions of the lower die base and the bottom plate, the two groups of pull rings are arranged on two sides of the vertical jack, a reset spring is arranged between each group of pull rings, and two ends of the reset spring are respectively fixed on the pull rings.

According to the further technical scheme, reinforcing ribs are arranged between the left supporting beam, the right supporting beam and the bottom plate respectively.

According to the further technical scheme, the outer sides of the left supporting beam and the right supporting beam are provided with lug plates for movement.

The utility model has the advantages that:

the utility model discloses simple structure can be applicable to the processing of the work piece of bending of multiple size. The utility model discloses avoid as power device with the help of external electrical appliances such as electric hydraulic cylinder, motor, adopt hand formula vertical jack for as power device, thereby the staff passes through the drive holding down plate rebound of manual control jack, the utility model discloses a compact structure, area is little, more is fit for the on-the-spot use widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention in a non-operating state.

Fig. 2 is a schematic structural diagram of the present invention in an operating state.

The device comprises a frame 1, a frame 11, a bottom plate 12, a left support beam 13, a top plate 14, a right support beam 15, a left slide rail 16 and a right slide rail; 2. an upper die holder 21, an upper slot 22 and an upper fixing mounting hole; 3. a bending knife 31 and a knife edge; 4. a lower pressing plate 41, a groove; 5. the lower die holder 51, the left slide block 52, the right slide block 53, the lower slot 54 and the lower fixing mounting hole; 6. the lifting device comprises a vertical jack, 61, a base, 62, a lifting oil valve, 63, an oil rod, 64, an adjusting screw rod, 65, a pressure rod, 66 and a handle; 7. a return spring 8, a reinforcing rib 9 and an ear plate.

Detailed Description

The invention will be further elucidated below by means of non-limiting examples, with the understanding that the invention is not limited thereto.

As shown in fig. 1-2, the utility model relates to a bending device, including frame 1, set up upper die base 2 in frame 1, bend sword 3, die holder 5, holding down plate 4, vertical jack 6, reset spring 7, frame 1 includes bottom plate 11, a left side supporting beam 12, roof 13, a right side supporting beam 14, a left side supporting beam 12, a right side supporting beam 14 is vertical to be fixed on bottom plate 11, roof 13 is on a parallel with the setting of bottom plate 11 to with a left side supporting beam 12, a right side supporting beam 14 links into an integrated entity, a left side supporting beam 12, be equipped with strengthening rib 8 between a right side supporting beam 14 and the bottom plate 11 respectively. The left support beam 12 and the right support beam 14 are provided with lugs 9 for movement on the outer sides thereof.

The vertical jack 6 adopts a 2t oil jack and comprises a base 61, a lifting oil valve 62, an oil rod 63, an adjusting screw 64, a pressure rod 65 and a handle 66; a handle 66 is mounted on the strut 65 to control the rate of raising of the oil rod 63.

The upper die holder 2 is fixedly connected to the top plate 13, an upper slot 21 for accommodating the bending knife 3 is formed in the lower end of the upper die holder 2, and an upper fixed mounting hole 22 for fixed mounting is formed in the upper slot 21; the bending knife 3 is arranged in the upper slot 21 and locked by a bolt; a lower die holder 5 is arranged right below the upper die holder 2, a lower slot 53 for accommodating the lower pressing plate 4 is arranged at the upper end of the lower die holder 5, and a lower fixed mounting hole 54 for fixed mounting is arranged on the lower slot 53; the lower pressure plate 4 is disposed in the lower insertion groove 53 and locked in the lower insertion groove 53 by bolts.

The two ends of the lower die holder 5 are respectively fixedly connected with a left slider 51 and a right slider 52, the middle parts of the left supporting beam 12 and the right supporting beam 14 are fixedly provided with a left slide rail 15 and a right slide rail 16, the left slide rail 15 is matched with the left slider 51, and the right slide rail 16 is matched with the right slider 52; the bending knife 3 is provided with a cutting edge 31 protruding downwards, and the lower pressing plate 4 is provided with a groove 41 matched with the shape of the cutting edge 31; the lower die base 5 is placed on the vertical jack 6, the base 61 of the vertical jack 6 is fixedly arranged on the bottom plate 11, and the adjusting bolt at the top of the vertical jack 6 is tightly arranged against the lower die base 5 and supports the lower die base 5; two groups of pull rings are arranged on the opposite positions of the lower die base 5 and the bottom plate 11, the two groups of pull rings are arranged on two sides of the vertical jack 6, a reset spring 7 is arranged between each group of pull rings, and two ends of the reset spring 7 are respectively fixed on the pull rings.

When the lifting jack is in a non-working state, the oil rod 63 of the vertical jack 6 is located at an initial position, the lower die base 5 is placed above the vertical jack 6, the left sliding block 51 and the right sliding block 52 on two sides of the lower die base 5 are respectively located at the lowest parts of the left sliding rail 15 and the right sliding rail 16, and the return springs 7 on two sides of the vertical jack 6 are in a loose state.

During operation, a workpiece to be bent is placed on the upper pressing plate, the handle 66 is shaken up and down, the oil rod 63 of the vertical jack 6 moves upwards to push the lower die holder 5 to move upwards along the sliding rails on the two sides, the upper pressing plate moves the bending knife 3 relatively, the handle 66 is shaken continuously, the relative acting force between the cutting edge 31 and the lower pressing plate 4 is applied to the workpiece to be bent, so that deformation is generated, the angle of the cutting edge 31 is finally bent, and the reset spring 7 is in a deformation state at the moment.

After the bending is finished, the lifting oil valve 62 is rotated, the oil rod 63 descends, the lower die holder 5 moves downwards under the action of the return spring 7, and the bent workpiece is taken out.

When workpieces with different bending shapes are processed, the bending knife 3 and the lower pressing plate 4 on the device can be detached and replaced by the bending knife 3 and the lower pressing plate 4 with corresponding sizes.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending device is characterized in that: the bending die comprises a frame, and an upper die holder, a bending knife, a lower die holder, a lower pressing plate, a vertical jack and a reset spring which are arranged in the frame, wherein the frame comprises a bottom plate, a left supporting beam, a top plate and a right supporting beam, the left supporting beam and the right supporting beam are vertically fixed on the bottom plate, the top plate is parallel to the bottom plate and connects the left supporting beam and the right supporting beam into a whole, the upper die holder is fixedly connected on the top plate, the lower end of the upper die holder is provided with an upper slot for accommodating the bending knife, and the upper slot is provided with an upper fixed mounting hole for fixed mounting; a lower die base is arranged right below the upper die base, a lower slot for accommodating a lower pressing plate is formed in the upper end of the lower die base, and a lower fixed mounting hole for fixed mounting is formed in the lower slot; the two ends of the lower die holder are respectively and fixedly connected with a left sliding block and a right sliding block, a left sliding rail and a right sliding rail are fixedly arranged in the middle positions of the left supporting beam and the right supporting beam, the left sliding rail is matched with the left sliding block, and the right sliding rail is matched with the right sliding block; the bending knife is provided with a downward convex cutting edge, and the lower pressing plate is provided with a groove matched with the shape of the cutting edge; the lower die base is placed on the vertical jack, the base of the vertical jack is fixedly arranged on the bottom plate, and the adjusting bolt at the top of the vertical jack is arranged close to the lower die base and supports the lower die base; two groups of pull rings are respectively arranged at the opposite positions of the lower die base and the bottom plate, the two groups of pull rings are arranged at two sides of the vertical jack, a reset spring is arranged between each group of pull rings, and two ends of the reset spring are respectively fixed on the pull rings.

2. The bending apparatus according to claim 1, wherein: and reinforcing ribs are respectively arranged between the left supporting beam, the right supporting beam and the bottom plate.

3. The bending apparatus according to claim 1, wherein: and ear plates for moving are arranged on the outer sides of the left supporting beam and the right supporting beam.