Metal plate bending die and bending machine

Abstract

The utility model relates to the technical field of metal plate bending, in particular to a metal plate bending die and a bending machine, the metal plate bending die comprises a rack, a support frame is fixedly arranged on the rack, a metal plate machine is fixedly arranged at the top of the rack, a first die is arranged at the top of the support frame, and a second die is arranged at the bottom of the metal plate machine. A positioning and correcting mechanism is arranged on the supporting frame and comprises fixing frames symmetrically and fixedly installed on the two sides of the supporting frame, screw rods are movably installed in the fixing frames, motors connected with the screw rods are fixedly installed at one ends of the fixing frames, and fixing rods connected through threads are arranged on the screw rods. Clamping plates are fixedly mounted at the ends, extending to the outer side of the fixing frame, of the fixing rods. Through the arrangement of the positioning and correcting mechanism, the sheet metal part can be positioned and corrected on the first die, so that the sheet metal part is straightly arranged in the center of the first die, the sheet metal part is prevented from inclining or deviating during machining, bending errors are prevented, and scrap is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sheet metal bending die, especially to a sheet metal bending die and bending machine, belongs to sheet metal bending technical field. BACKGROUND

[0002] Sheet metal is a kind of comprehensive cold working process to metal sheet, including cutting, punching, cutting, bending, riveting / splicing, forming etc., and is widely used in automobile manufacturing, aerospace, precision machinery and other fields.

[0003] Sheet metal bending machine is commonly used in sheet metal bending processing device, and the bending die is arranged on the bending machine, and the sheet metal part is bent into shape in the die by stamping the sheet metal part to be processed. However, the bending die in the bending machine does not have the function of accurate positioning, and the sheet metal part to be processed cannot be positioned at the center of the die and corrected, which leads to the inclination or deviation of the sheet metal part on the die, resulting in the error of sheet metal bending processing and causing the scrap. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a sheet metal bending die capable of positioning and correcting sheet metal parts and a bending machine provided with the sheet metal bending die.

[0005] The utility model solves the above technical problems by adopting the following technical scheme:

[0006] A sheet metal bending die, comprising a rack, a supporting frame fixedly installed on the rack, a sheet metal machine fixedly installed on the top of the rack, a first die provided on the top of the supporting frame, a second die provided on the bottom of the sheet metal machine, a positioning and correcting mechanism provided on the supporting frame, the positioning and correcting mechanism comprising a fixed frame fixedly installed on both sides of the supporting frame, a screw movably installed in the fixed frame, a motor fixedly installed on one end of the fixed frame and connected with the screw, a fixed rod provided on the screw, and a clamping plate fixedly installed on one end of the fixed rod extending outside the fixed frame.

[0007] Further, a plurality of springs are installed on the surface of the supporting frame and the sheet metal machine, and a limiting rod is installed on two adjacent springs.

[0008] Further, a plurality of limiting blocks are fixedly installed on the first die and the second die, one end of a plurality of limiting rods penetrates the supporting frame and the sheet metal machine and is clamped with the limiting blocks, and a handle is fixedly installed on one side of the limiting rod.

[0009] Further, a plurality of fixed plates are fixedly installed on the support frame and the sheet metal machine, a first magnetic block is fixedly installed on the fixed plate, a second magnetic block is fixedly installed on the handle and is mutually adsorbed with the first magnetic block.

[0010] Further, an electric guide rail is fixedly installed on the support frame, a fixing frame is slidingly installed on the electric guide rail, a barrel is fixedly installed on the fixing frame, a fan is fixedly installed on the top of the barrel, a filter screen is fixedly installed in the barrel, a suction pipe is fixedly installed on one side of the barrel and a collection box is arranged at the bottom of the barrel.

[0011] Further, a threaded sleeve is fixedly sleeved on the surface of the barrel, and a plurality of threaded blocks matched with the threaded sleeve are fixedly installed on the threaded sleeve.

[0012] Further, a window is fixedly installed on the barrel.

[0013] The utility model discloses a bending machine which comprises the sheet metal bending die.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The positioning and correcting mechanism is arranged, the sheet metal part to be processed is positioned and corrected on the first die, the motor is started to drive the screw rod in the fixing frame to rotate and drive the fixing rod to move under the action of the screw thread, the fixing rod moves to push the clamping plate to make the two clamping plates approach the sheet metal part to be processed for extrusion, the sheet metal part to be processed is positioned and corrected at the center of the first die, so that the inclination and deviation of the sheet metal part to be processed on the first die are avoided, and the bending error is prevented and the scrap is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a screw rod structure schematic view of the utility model;

[0018] Figure 3 It is a limiting rod structure schematic view of the utility model;

[0019] Figure 4 It is a limiting block structure schematic view of the utility model;

[0020] Figure 5 It is a whole structure back view of the utility model;

[0021] Figure 6 It is a suction pipe structure schematic view of the utility model;

[0022] Figure 7 It is the barrel internal structure schematic view of the utility model.

[0023] In the figure, 1, rack; 2, support frame; 3, sheet metal machine; 4, first die; 5, second die; 6, positioning and correcting mechanism; 7, fixed frame; 8, screw; 9, motor; 10, fixed rod; 11, clamping plate; 12, spring; 13, limiting rod; 14, limiting block; 15, handle; 16, fixed plate; 17, first magnetic block; 18, second magnetic block; 19, electric guide rail; 20, fixed frame; 21, barrel; 22, fan; 23, filter screen; 24, suction tube; 25, collection box; 26, threaded sleeve; 27, threaded block; 28, window. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described clearly and completely in connection with the drawings and specific embodiments.

[0025] As Figures 1-7 shown, the sheet metal bending die provided by the embodiment comprises a rack 1, the support frame 2 is fixedly installed on the rack 1, the sheet metal machine 3 is fixedly installed on the top of the rack 1, the first die 4 is arranged on the top of the support frame 2, the second die 5 is arranged on the bottom of the sheet metal machine 3, the positioning and correcting mechanism 6 is arranged on the support frame 2, the positioning and correcting mechanism 6 comprises the fixed frame 7 which is fixedly installed on both sides of the support frame 2 in a symmetrical manner, the screw 8 is movably installed in the fixed frame 7, the motor 9 connected with the screw 8 is fixedly installed on one end of the fixed frame 7, the fixed rod 10 connected with the screw 8 through threads is arranged on the screw 8, and the clamping plate 11 is fixedly installed on the end of the fixed rod 10 extending to the outside of the fixed frame 7.

[0026] Through the arrangement of the positioning and correcting mechanism 6, the sheet metal part to be processed can be positioned and corrected on the first die 4, after the sheet metal part to be processed is placed on the first die 4, the motor 9 is started to drive the screw 8 in the fixed frame 7 to rotate, the fixed rod 10 is driven to move under the action of threads, the clamping plate 11 is pushed by the movement of the fixed rod 10, so that the two clamping plates 11 simultaneously approach the sheet metal to be extruded, and the sheet metal is positioned and corrected at the center of the first die 4, so as to avoid the inclination and deviation of the sheet metal on the first die 4.

[0027] In the embodiment, as Figures 1-7As shown, the support frame 2 and the surface of the sheet metal machine 3 are fixedly installed with a plurality of springs 12, and a limiting rod 13 is fixedly installed on two adjacent springs 12; a plurality of limiting blocks 14 are fixedly installed on the first mold 4 and the second mold 5, one end of the plurality of limiting rods 13 penetrates the support frame 2 and the sheet metal machine 3 and is clamped with the limiting blocks 14, and a handle 15 is fixedly installed on one side of the limiting rod 13; the plurality of limiting blocks 14 provided on the first mold 4 and the second mold 5 penetrate the support frame 2 and the sheet metal machine 3, the limiting rod 13 is clamped at one end with the limiting block 14 under the contraction support of the spring 12, and the first mold 4 and the second mold 5 are fixed on the support frame 2 and the sheet metal machine 3, respectively. The structure is convenient to fix, facilitates the installation of the first mold 4 and the second mold 5, and facilitates the disassembly and replacement of the first mold 4 and the second mold 5 after the limiting rod 13 is taken out of the limiting block 14.

[0028] A plurality of fixed plates 16 are fixedly installed on the support frame 2 and the sheet metal machine 3, a first magnetic block 17 is fixedly installed on the fixed plate 16, and a second magnetic block 18 that is attracted to the first magnetic block 17 is fixedly installed on the handle 15. After the limiting rod 13 is pulled away from the limiting block 14, the second magnetic block 18 on the handle 15 is attached to the first magnetic block 17, and the limiting rod 13 is fixed under the attraction of the first magnetic block 17 and the second magnetic block 18, so that the contraction of the limiting rod 13 driven by the spring 12 does not affect the disassembly during replacement.

[0029] In this embodiment, as shown in the figure, Figures 1-7 The inside of the support frame 2 is provided with an electric guide rail 19 fixedly installed on the gantry 1, a fixing frame 20 is slidingly installed on the electric guide rail 19, a barrel body 21 is fixedly installed on the fixing frame 20, a fan 22 is fixedly installed on the top of the barrel body 21, a filter screen 23 is fixedly installed in the inside of the barrel body 21, a suction pipe 24 is fixedly installed on one side of the barrel body 21, and a collection box 25 is provided at the bottom of the barrel body 21. After the sheet metal is bent, debris is left on the first mold 4, the electric guide rail 19 is started to drive the barrel body 21 through the fixing frame 20, the fan 22 is started to suck the debris on the first mold 4 into the barrel body 21 through the suction pipe 24, and the debris is collected into the collection box 25 under the interception of the filter screen 23, so that the debris on the first mold 4 is cleaned, and the influence of the debris on the quality of the subsequent sheet metal bending is avoided.

[0030] The surface of the barrel body 21 is fixedly sleeved with a threaded sleeve 26, a plurality of threaded blocks 27 used in cooperation with the threaded sleeve 26 are fixedly installed on the threaded sleeve 26; a window 28 is fixedly installed on the barrel body 21. The collecting box 25 is installed on the barrel body 21 by means of the threaded connection between the threaded sleeve 26 and the threaded blocks 27, the threaded blocks 27 can be separated from the threaded sleeve 26 by rotating the collecting box 25, so that the collecting box 25 can be dismounted from the barrel body 21, the collected chippings can be conveniently cleaned, after the cleaning is completed, the collecting box 25 is placed at the bottom of the barrel body 21, the threaded sleeve 26 and the threaded blocks 27 are connected by reverse rotation, and the installation is completed; the window 28 is provided, so that the chippings collection capacity in the collecting box 25 can be viewed through the barrel body 21.

[0031] Working principle: after the sheet metal is placed on the first mold 4, the motor 9 is started to drive the screw rod 8 in the fixed frame 7 to rotate, the screw rod 8 is driven to move under the action of the screw thread, the fixed rod 10 is moved to push the clamping plate 11, the two clamping plates 11 are simultaneously pushed to extrude the sheet metal, the sheet metal is positioned and straightened at the center of the first mold 4, so that the sheet metal is prevented from being inclined and deviated on the first mold 4.

[0032] The above description shows and describes the preferred embodiments of the utility model, and it should be understood that the utility model is not limited to the forms disclosed in the present text, and the changes and variations made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims of the utility model.

Claims

1. A sheet metal bending die, comprising a rack (1), a support frame (2) is fixedly installed on the rack (1), and a sheet metal machine (3) is fixedly installed on the top of the rack (1), characterized in that: The top of the support frame (2) is provided with a first mold (4), and the bottom of the sheet metal machine (3) is provided with a second mold (5); The positioning and correcting mechanism (6) is arranged on the support frame (2), the positioning and correcting mechanism (6) comprises a fixed frame (7) fixedly installed on both sides of the support frame (2), a screw rod (8) movably installed in the fixed frame (7), a motor (9) fixedly installed at one end of the fixed frame (7) and connected with the screw rod (8), and a fixed rod (10) arranged on the screw rod (8), and a clamping plate (11) fixedly installed on the end of the fixed rod (10) extending to the outside of the fixed frame (7).

2. The sheet metal bending die according to claim 1, characterized in that: The surfaces of the support frame (2) and the sheet metal machine (3) are provided with a plurality of springs (12), and a limiting rod (13) is arranged on two adjacent springs (12).

3. The sheet metal bending die according to claim 2, wherein: A plurality of limiting blocks (14) are fixedly installed on the first mold (4) and the second mold (5), and one end of the limiting rod (13) penetrates the support frame (2) and the sheet metal machine (3) and is clamped with the limiting block (14).

4. The sheet metal bending die according to claim 3, wherein: A handle (15) is fixedly installed on one side of the limiting rod (13).

5. The sheet metal bending die according to claim 4, wherein: A plurality of fixed plates (16) are fixedly installed on the support frame (2) and the sheet metal machine (3), a first magnetic block (17) is fixedly installed on the fixed plate (16), and a second magnetic block (18) is fixedly installed on the handle (15) and is attracted to the first magnetic block (17).

6. The sheet metal bending die according to claim 1, wherein: An electric guide rail (19) is fixedly installed on the gantry (1) in the support frame (2), a fixed frame (20) is slidably installed on the electric guide rail (19), a barrel body (21) is fixedly installed on the fixed frame (20), a fan (22) is fixedly installed on the top of the barrel body (21), a filter screen (23) is fixedly installed in the barrel body (21), a suction pipe (24) is fixedly installed on one side of the barrel body (21), and a collecting box (25) is arranged at the bottom of the barrel body (21).

7. The sheet metal bending die according to claim 6, wherein: A threaded sleeve (26) is fixedly installed on the surface of the barrel body (21), and a plurality of threaded blocks (27) are fixedly installed on the threaded sleeve (26) and used in cooperation with the threaded sleeve (26).

8. The sheet metal bending die according to claim 6, wherein: A window (28) is fixedly installed on the barrel body (21).

9. A bending machine characterized by: The sheet metal bending mold comprises the sheet metal bending mold according to any one of claims 1-8. The sheet metal bending mold comprises the sheet metal bending mold according to any one of claims 1-8.

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