Bending device for numerical control machining of sheet metal parts

Abstract

The utility model relates to the technical field of numerical control machining of sheet metal parts, in particular to a bending device for numerical control machining of sheet metal parts. In order to solve the problems that the bending precision of the sheet metal part is affected due to the fact that the sheet metal part is easy to deviate when being manually placed, and the bending efficiency is affected due to the fact that the sheet metal part is difficult to take after being bent. When the design is used, a sheet metal part is firstly placed on a placing plate, a hydraulic telescopic rod is started to drive a fixing plate on a sliding block to fix the sheet metal part, a hydraulic mechanism is started to drive a bending head on a lower pressing plate to move towards the position of a bending part, stretching of the peripheral bending position of the sheet metal part and extrusion of the inner bending position of the sheet metal part are reduced, and the sheet metal part is fixed. And in cooperation with a lifting assembly, a lifting plate at one end of a sliding rod on a connecting plate is lifted by starting an air cylinder, the demolding work of the sheet metal part can be completed more quickly, an operator can take the sheet metal part conveniently, the working efficiency is improved, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal piece numerical control processing technical field especially relates to a sheet metal piece numerical control processing's bending device. BACKGROUND

[0002] Sheet metal part is the product that sheet metal technology processes, and we live everywhere cannot leave sheet metal part, and the sheet metal part is made through filament power winding, laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, metal plate bending forming, die forging, water jet cutting, and the product that the sheet metal technology processes is called sheet metal part, and the sheet metal part is usually processed, and then the bending machine will be used, and the bending machine is the plate forming machinery designed for cold-rolled sheet metal processing.

[0003] The existing sheet metal bending device generally lacks fixing mechanism, and the stretching of the peripheral bending part of the sheet and the extrusion of the inner bending part are prone to cause the bending line of the sheet to deviate, the sheet metal part is placed manually, and the sheet metal part is also prone to deviation during manual placement, thereby affecting the bending accuracy of the sheet metal part, and after the sheet metal part is bent, it is difficult to take, thereby affecting the bending efficiency. UTILITY MODEL CONTENT

[0004] (1) technical problem to be solved

[0005] In order to solve the problem that the sheet metal part is placed manually and is prone to deviation, thereby affecting the bending accuracy of the sheet metal part, and after the sheet metal part is bent, it is difficult to take, thereby affecting the bending efficiency.

[0006] (2) technical scheme

[0007] The utility model discloses a technical scheme for a bending device for numerical control machining of sheet metal parts, comprising a bending device main body, including base, bending box, hydraulic mechanism, lower pressing plate, bending head, fixed assembly and lifting assembly, the base is arranged at the bottom surface position of the bending device main body, the support rod of the base is provided with the bending box at one end, the surface of the bending box is provided with the hydraulic mechanism, the extension end of the hydraulic mechanism is fixedly connected with the lower pressing plate arranged in the bending box, the bottom surface of the lower pressing plate is provided with the bending head of triangular strip structure, the fixed assembly is arranged at the middle position of the base and the bending box, the fixed assembly is arranged on the surface of the support rod of the base, the lifting assembly is arranged on the surface of the fixed assembly, the fixed assembly is arranged, the sheet metal part is placed on the placing plate, the fixed plate on the sliding block is driven by the hydraulic telescopic rod to fix the sheet metal part, the bending head on the lower pressing plate is moved towards the bending part position by starting the hydraulic mechanism, the stretching at the outer bending part of the sheet and the extrusion at the inner bending part are reduced, so that the offset of the bending line of the sheet is avoided, thereby improving the bending precision of the sheet metal part, and the lifting assembly is used to facilitate lifting and taking out the sheet metal part after bending, the lifting plate at one end of the sliding rod on the connecting plate is lifted by starting the air cylinder, thereby facilitating lifting the sheet metal part from the placing plate, the sheet metal part can be quickly demolded, the operator can conveniently take the sheet metal part, the operation efficiency is improved, and the use effect is good.

[0008] Further, the fixed assembly comprises a placing plate, a bending part, a fixed block, a fixed plate, a sliding block, a sliding groove and a hydraulic telescopic rod, the surface of the support rod of the base is provided with the placing plate, the surface of the placing plate is provided with the bending part of V-shaped structure at the bottom of the through groove below the bending head, the bending part is matched with the bending head, two groups of fixed blocks are symmetrically arranged at the two ends of the surface of the placing plate, the fixed plate is arranged on one side surface of each fixed block, the sliding block is arranged on the surface of each fixed block, the sliding block is connected with the sliding groove arranged in the sliding groove, the hydraulic telescopic rod is arranged on the surface of each fixed block, one end of the hydraulic telescopic rod penetrates through the fixed block and is connected with the sliding block arranged in the sliding groove, the fixed plate slides on the surface of the fixed block through the sliding block and the sliding groove, the sheet metal part is placed on the placing plate by arranging the fixed assembly, the fixed plate on the sliding block is driven by the hydraulic telescopic rod to fix the sheet metal part, the bending head on the lower pressing plate is moved towards the bending part position by starting the hydraulic mechanism, the stretching at the outer bending part of the sheet and the extrusion at the inner bending part are reduced, so that the offset of the bending line of the sheet is avoided, thereby improving the bending precision of the sheet metal part.

[0009] Further, the sliding block is in convex block structure, and the overall movement stability of the fixed plate is improved.

[0010] Further, the bottom surface of the fixing plate is provided with two-thirds spherical grooves, and a plurality of rolling balls are arranged in the two-thirds spherical grooves, so that the thin sheet metal part can move to the middle bending position under the action of the rolling balls when the sheet metal part is punched, and damage of the sheet metal part caused by too firm fixation during punching of the thin sheet metal part is avoided.

[0011] Further, the lifting assembly comprises lifting plates, sliding rods, connecting plates and air cylinders, the surface of the placing plate is symmetrically provided with two lifting plates, the bottom surface of each lifting plate is fixedly provided with two sliding rods, one end of each sliding rod away from the lifting plate penetrates through the placing plate and is connected with the connecting plate arranged below the placing plate, and the surface of the base is provided with an air cylinder, and the extending end of the air cylinder is fixedly connected with the connecting plate, so that the lifting plate at one end of the sliding rod on the connecting plate is lifted by starting the air cylinder after bending, so that the sheet metal part is conveniently lifted from the placing plate, the sheet metal part can be quickly demolded, the operator can conveniently take the sheet metal part, the work efficiency is improved, and the use effect is good.

[0012] Further, the surface of the placing plate is provided with accommodation grooves on both sides of the bending part, and the lifting plates are matched with the accommodation grooves, so that the lifting plates can be accommodated in the accommodation grooves during bending of the sheet metal part, the surface of the placing plate is always kept flat, quality problems of the sheet metal part during bending are avoided, and the product quality is improved.

[0013] Further, the surface of the lifting plate is provided with anti-skid rubber pads, so that the anti-skid rubber pads can be used as friction between the lifting plate and the sheet metal part, the sheet metal part is prevented from falling or being lifted, and the use effect is good.

[0014] (3) Advantageous effects

[0015] Compared with the prior art, the utility model has the advantages that: the fixing assembly is arranged when the utility model is used, the sheet metal part is placed on the placing plate, the fixing plate on the sliding block is driven by starting the hydraulic telescopic rod to fix the sheet metal part, the bending head on the lower pressing plate is driven by starting the hydraulic mechanism to move to the bending position, the stretching of the outer bending part of the sheet metal part and the extrusion of the inner bending part are reduced, the bending line of the sheet metal part is prevented from deviating, the bending precision of the sheet metal part is improved, the lifting assembly is arranged, the sheet metal part is conveniently lifted after bending, the lifting plate at one end of the sliding rod on the connecting plate is lifted by starting the air cylinder, the sheet metal part is conveniently lifted from the placing plate, the sheet metal part can be quickly demolded, the operator can conveniently take the sheet metal part, the work efficiency is improved, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure of the utility model is shown.

[0017] Figure 2 The utility model discloses Figure 1 The structure enlarged view of A place in the middle;

[0018] Figure 3 The utility model discloses

[0019] Figure 4 The utility model discloses Figure 3 The structure enlarged view of B place in the middle;

[0020] Figure 5 The utility model discloses

[0021] Figure 6 The utility model discloses

[0022] The utility model discloses a lifting assembly, fixed assembly and bending assembly, which are combined to form a bending device. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with the drawings and examples.

[0024] Example 1:

[0025] Please refer to Figures 1-6The utility model provides a kind of embodiment: a sheet metal piece numerical control processing's bending device, including bending device main body, including base 1, bending box 11, hydraulic mechanism 12, lower pressing plate 13, bending head 14, fixed assembly 2 and lifting assembly 3, base 1 is arranged at bending device main body bottom surface position, the support rod one end of base 1 is equipped with bending box 11, the surface of bending box 11 is equipped with hydraulic mechanism 12, the extension end of hydraulic mechanism 12 is fixedly connected with the lower pressing plate 13 being arranged in bending box 11, the bottom surface of lower pressing plate 13 is equipped with the bending head 14 of triangular strip structure, fixed assembly 2 is arranged at the intermediate position of base 1 and bending box 11, fixed assembly 2 is installed on the surface of the support rod of base 1, lifting assembly 3 is arranged on the surface of fixed assembly 2, setting fixed assembly 2, sheet metal piece is placed to placing plate 21, start hydraulic telescopic rod 27 to drive the fixed plate 24 on slider 25 to fix sheet metal piece, by starting hydraulic mechanism 12 to drive the bending head 14 on lower pressing plate 13 to move towards bending portion 22 position, reduce the stretching of sheet metal outer periphery bending place and the extrusion of inner periphery bending place, so as to cause the deviation of sheet metal bending line, thereby improve the precision of sheet metal bending, and cooperate lifting assembly 3, after bending is completed, to facilitate lifting sheet metal and taking out, by starting cylinder 35 to lift the lifting plate 31 of the one end of slide bar 33 on connecting plate 34, so as to facilitate lifting sheet metal from placing plate 21, can make sheet metal complete demoulding work faster, it is convenient for operator to take, improve work efficiency, and use effect is good.

[0026] Fixed assembly 2 includes placing plate 21, bending portion 22, fixed block 23, fixed plate 24, slider 25, sliding slot 26 and hydraulic telescopic rod 27, the surface of the support rod of base 1 is equipped with placing plate 21, the surface of placing plate 21 is equipped with the bending portion 22 of V type structure in the bottom of the through groove being opened below bending head 14, bending portion 22 is matched with bending head 14, the surface of placing plate 21 is symmetrically provided with two groups of fixed blocks 23 at both ends, the side surface of fixed block 23 is equipped with fixed plate 24, fixed plate 24 is equipped with slider 25 in the position of being close to fixed block 23, slider 25 slides in the sliding slot 26 being opened in the surface of fixed block 23, the surface of fixed block 23 is equipped with hydraulic telescopic rod 27, one end of hydraulic telescopic rod 27 penetrates fixed block 23, and is connected with slider 25 being arranged in sliding slot 26, fixed plate 24 slides on the surface of fixed block 23 through slider 25 and sliding slot 26, by setting fixed assembly 2, sheet metal piece is placed to placing plate 21, start hydraulic telescopic rod 27 to drive the fixed plate 24 on slider 25 to fix sheet metal piece, by starting hydraulic mechanism 12 to drive the bending head 14 on lower pressing plate 13 to move towards bending portion 22 position, reduce the stretching of sheet metal outer periphery bending place and the extrusion of inner periphery bending place, so as to cause the deviation of sheet metal bending line, thereby improve the precision of sheet metal bending.

[0027] The slider 25 is in the shape of a convex block, which improves the overall movement stability of the fixed plate 24.

[0028] Two-thirds of the bottom surface of the fixed plate 24 is provided with a spherical groove, and a plurality of rolling balls 28 are arranged in the spherical groove. When stamping the thin sheet metal part, the thin sheet metal part can be moved to the middle bending part 22 under the action of the rolling balls 28, thereby avoiding damage caused by too firm fixation during processing of the thin sheet metal part.

[0029] Embodiment 2:

[0030] Please refer to Figures 1-6 In this embodiment, the lifting assembly 3 includes a lifting plate 31, a sliding rod 33, a connecting plate 34 and a cylinder 35. The surface of the placing plate 21 is symmetrically provided with two lifting plates 31, the bottom surface of each lifting plate 31 is fixedly provided with two sliding rods 33, one end of each sliding rod 33 away from the lifting plate 31 penetrates the placing plate 21 and is connected with the connecting plate 34 arranged below the placing plate 21, and the surface of the base 1 is provided with the cylinder 35, the extending end of the cylinder 35 is fixedly connected with the connecting plate 34. By arranging the lifting assembly 3, after bending, the sheet metal part can be easily lifted out, the cylinder 35 is started to lift the lifting plate 31 at one end of the sliding rod 33 of the connecting plate 34, so that the sheet metal part can be easily lifted from the placing plate 21, the demolding work of the sheet metal part can be completed faster, the operator can easily take it, the work efficiency is improved, and the use effect is good.

[0031] The surface of the placing plate 21 is provided with a receiving groove 32 on both sides of the bending part 22, which is matched with the lifting plate 31. When the sheet metal part is bent, the lifting plate 31 can be received in the receiving groove 32, so that the surface of the placing plate 21 can always remain flat, and the quality problem of the sheet metal part during bending can be avoided, thereby improving the product quality.

[0032] The surface of the lifting plate 31 is provided with an anti-skid rubber pad, which can play a role in friction between the lifting plate 31 and the sheet metal part, so as to avoid the situation that the sheet metal part slips or cannot be lifted, and the use effect is good.

[0033] Through the above steps, when in use, the sheet metal part is placed on the placing plate 21 by setting the fixing assembly 2, the hydraulic telescopic rod 27 is started to drive the fixing plate 24 on the sliding block 25 to fix the sheet metal part, the bending head 14 on the lower pressing plate 13 is moved towards the bending part 22 position by starting the hydraulic mechanism 12, the stretching of the bending part of the sheet metal part and the extrusion of the inner bending part are reduced, so that the bending line of the sheet metal part is not offset, thereby improving the bending precision of the sheet metal part, and cooperating with the lifting assembly 3, after the bending is completed, the lifting plate 31 on one end of the sliding rod 33 of the connecting plate 34 is lifted by starting the air cylinder 35, so that the sheet metal part is lifted from the placing plate 21, the sheet metal part can be demolded faster, the operator can take the sheet metal part conveniently, the work efficiency is improved, and the use effect is good.

[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A bending device for numerical control processing of sheet metal parts, comprising a bending device body, characterized in that: The utility model provides a bending device, including base (1), bending box (11), hydraulic mechanism (12), down pressure plate (13), bending head (14), fixed assembly (2) and lifting assembly (3), base (1) sets up at bending device main part bottom surface position, the support rod one end of base (1) is installed bending box (11), the surface of bending box (11) is installed hydraulic mechanism (12), the extension end of hydraulic mechanism (12) is fixedly connected with the down pressure plate (13) of setting in bending box (11), the bottom surface of down pressure plate (13) is installed the bending head (14) of triangular strip structure, base (1) and bending box (11) intermediate position is provided with fixed assembly (2), fixed assembly (2) is installed on the surface of support rod of base (1), lifting assembly (3) sets up at the surface of fixed assembly (2).

2. The bending device for numerical control machining of sheet metal parts according to claim 1, characterized in that: The utility model provides a bending device, including base (1), bending box (11), hydraulic mechanism (12), down pressure plate (13), bending head (14), fixed assembly (2) and lifting assembly (3), base (1) sets up at bending device main part bottom surface position, the support rod one end of base (1) is installed bending box (11), the surface of bending box (11) is installed hydraulic mechanism (12), the extension end of hydraulic mechanism (12) is fixedly connected with the down pressure plate (13) of setting in bending box (11), the bottom surface of down pressure plate (13) is installed the bending head (14) of triangular strip structure, base (1) and bending box (11) intermediate position is provided with fixed assembly (2), fixed assembly (2) is installed on the surface of support rod of base (1), lifting assembly (3) sets up at the surface of fixed assembly (2).

3. The bending device for numerical control machining of sheet metal parts according to claim 2, characterized in that: The sliding block (25) is arranged in a convex block structure.

4. The bending device for numerical control machining of sheet metal parts according to claim 2, characterized in that: Two-thirds spherical grooves are formed in the bottom surface of the fixed plate (24), and a rolling ball (28) is arranged in each groove.

5. The bending device for numerical control machining of sheet metal parts according to claim 2, characterized in that: The lifting assembly (3) includes a lifting plate (31), a sliding rod (33), a connecting plate (34), and a pneumatic cylinder (35). The surface of the placement plate (21) is symmetrically provided with two lifting plates (31). The bottom surface of each lifting plate (31) is fixedly provided with two sliding rods (33). One end of each sliding rod (33) away from the lifting plate (31) penetrates the placement plate (21) and is connected with the connecting plate (34) arranged below the placement plate (21). The surface of the base (1) is provided with a pneumatic cylinder (35). The extension end of the pneumatic cylinder (35) is fixedly connected with the connecting plate (34).

6. The bending device for numerical control machining of sheet metal parts according to claim 2, characterized in that: The surface of the placement plate (21) is provided with a receiving groove (32) on both sides of the bending portion (22), which is adapted to the lifting plate (31). The lifting plate (31) is clamped in the receiving groove (32).

7. The bending device for numerical control machining of sheet metal parts according to claim 5, characterized in that: The surface of the lifting plate (31) is mounted with anti-skid rubber pads.

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