Quick die changing device for bending forming machine

Abstract

The utility model relates to the technical field of bending machines, in particular to a quick die changing device for a bending forming machine, which comprises a mounting seat, a plurality of die frames are fixed on the mounting seat at intervals, a front plate and a rear plate are formed on the die frames, a die mounting groove is formed between the front plate and the rear plate, and a through hole is formed in the front plate; the mold clamping plate is located in the mold mounting groove in a sliding mode, a transmission pin is arranged on the mold clamping plate and penetrates out of the penetrating hole, and the transmission pin and the penetrating hole are arranged in a sliding mode; the waist wheel is rotatably mounted on the mold frame, the waist wheel and the transmission pin are correspondingly arranged, when the waist wheel is rotated to be in contact with the transmission pin, the waist wheel pushes the transmission pin to drive the mold clamping plate to move relative to the rear plate, so that the mold clamping plate and the rear plate clamp the mold, and when the waist wheel is rotated to be staggered from the transmission pin, the mold clamping plate and the rear plate loosen the mold. Through the arrangement, the mold is very convenient and rapid to assemble and disassemble, the mold changing efficiency is effectively improved, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine especially points to a quick die changing device for bending forming machine. BACKGROUND

[0002] The mold is the core component of the bending forming machine, which is the execution element for realizing the bending of the workpiece. The mold of the bending forming machine is generally designed by customization. Different molds need to be equipped for different workpiece sizes. The bending production of complex workpieces requires frequent replacement of different molds.

[0003] The invention patent with the publication number CN111136168A discloses a combined bending machine mold. The mold of the prior art is fixed by bolts. Since the mold needs to be frequently replaced, the installation method using bolts is very troublesome during disassembly and assembly, is not convenient and fast, has low die changing efficiency, and is inconvenient to use.

[0004] Therefore, there is still room for improvement in the prior art. UTILITY MODEL CONTENT

[0005] In order to solve the problems of the prior art, the utility model provides a quick die changing device for a bending forming machine, which can quickly disassemble and assemble the mold, improve the die changing efficiency, and is convenient to use.

[0006] In order to achieve the above-mentioned purpose, the technical scheme applied by the utility model is as follows:

[0007] A quick die changing device for a bending forming machine, comprising a mounting seat, a plurality of mold frames are fixed on the mounting seat at intervals, a front plate and a rear plate are formed on the mold frame, a mold mounting groove is formed between the front plate and the rear plate, and a through hole is provided on the front plate; a mold clamp plate is slidably located in the mold mounting groove, a transmission pin is provided on the mold clamp plate, the transmission pin passes through the through hole, and the transmission pin and the through hole are slidably arranged; a waist wheel is rotatably installed on the mold frame, the waist wheel is correspondingly arranged with the transmission pin, when the waist wheel is rotated and contacted with the transmission pin, the waist wheel pushes the transmission pin to drive the mold clamp plate to displace relative to the rear plate, so that the mold clamp plate and the rear plate clamp the mold, when the waist wheel is rotated and dislocated with the transmission pin, the mold clamp plate and the rear plate release the mold.

[0008] According to the above-mentioned scheme, the end of the transmission pin passes through the through hole and is located outside the mold frame, the waist wheel is rotatably installed outside the mold frame, and the end of the transmission pin is formed with a slope corresponding to the waist wheel.

[0009] According to the above-mentioned scheme, a spring one is sleeved on the transmission pin, and the two ends of the spring one are fixed on the front plate and the mold clamp plate respectively, and a guide assembly is arranged between the front plate and the mold clamp plate.

[0010] According to the scheme, the guide assembly comprises a guide hole arranged on the front plate and a guide rod arranged on the mold clamping plate, and the guide rod is slidably arranged in the guide hole.

[0011] According to the scheme, the guide hole is formed with a limiting step one near one end of the mold clamping plate, the guide rod is slidably arranged in the guide hole, a limiting block one is fixed on the end of the guide rod, and the limiting block one is arranged in correspondence with the limiting step one.

[0012] According to the scheme, a rotating pin is arranged on the inner side of the waist wheel, a mounting hole is arranged on the mold frame, the rotating pin is rotatably arranged in the mounting hole, and a rotating rod is arranged on the outer side of the waist wheel.

[0013] According to the scheme, the mounting hole is formed with a limiting step two near one end of the waist wheel, a limiting block two is fixed on the end of the rotating pin, and the limiting block two is arranged in correspondence with the limiting step two.

[0014] According to the scheme, a locking assembly is arranged on the outer side of the mold frame, and the locking assembly is used for locking the waist wheel when the mold clamping plate and the rear plate clamp the mold.

[0015] According to the scheme, a locking groove is arranged on the waist wheel, and the locking assembly comprises a fixed plate, a locking pin, a limiting piece, a pull knob and a spring two, the fixed plate is fixed on the outer side of the mold frame, the first end of the locking pin is fixedly connected with the pull knob, the second end of the locking pin is arranged in correspondence with the locking groove in sequence after passing through the limiting piece, the spring two and the fixed plate, and the two ends of the spring two are fixed on the limiting piece and the fixed plate respectively.

[0016] According to the scheme, a mounting plate is formed on the mold frame, and the mounting plate is fixed on the mounting seat through bolts.

[0017] The utility model discloses beneficial effect:

[0018] The utility model discloses beneficial effect: ACCURATE DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the mold frame schematic diagram of the utility model;

[0021] Figure 3 It is Figure 2 The front plate sectional view of the utility model discloses beneficial effect:

[0022] Figure 4 is Figure 3 is an enlarged view of position A in the figure;

[0023] Figure 5 is a schematic view of a mold clamping plate of the utility model;

[0024] Figure 6 is a schematic view of a waist wheel of the utility model;

[0025] Figure 7 is a schematic view of a locking assembly of the utility model.

[0026] in the figure:

[0027] 1, mounting seat; 2, mold frame; 21, mounting plate; 22, front plate; 23, rear plate; 24, mold mounting groove; 25, through hole; 26, guide hole; 27, limiting step one; 28, mounting hole; 29, limiting step two; 3, mold clamping plate; 31, transmission pin; 311, inclined surface; 32, spring one; 33, guide rod; 34, limiting block one; 4, waist wheel; 41, rotating rod; 42, rotating pin; 43, locking groove; 44, limiting block two; 5, locking assembly; 51, fixed plate; 52, locking pin; 53, limiting sheet; 54, pull knob; 55, spring two. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0029] As Figures 1 to 7The utility model discloses a quick die changing device for bending forming machine, including mounting seat 1, a plurality of die carriers 2 are fixed with on mounting seat 1, and the die carrier 2 is formed with front plate 22 and back plate 23, and the front plate 22 and back plate 23 form die mounting groove 24, and the front plate 22 is equipped with perforation 25, die clamp plate 3, die clamp plate 3 is located in die mounting groove 24 and slides, and die clamp plate 3 is equipped with transmission pin 31, and transmission pin 31 sets up and passes out perforation 25, and transmission pin 31 and perforation 25 slide and set up, waist wheel 4, waist wheel 4 can rotate and install on die carrier 2, and waist wheel 4 sets up with transmission pin 31 correspondingly, when rotating waist wheel 4 and transmission pin 31 contact, waist wheel 4 promotes transmission pin 31 and drives die clamp plate 3 to displace relative to back plate 23, makes die clamp plate 3 and back plate 23 clamp die, when rotating waist wheel 4 and transmission pin 31 are out of position, die clamp plate 3 and back plate 23 release die. Set up like this, when assembling die, die is inserted in die mounting groove 24, then rotates waist wheel 4 and promotes transmission pin 31 action, and then promotes die clamp plate 3 to displace relative to back plate 23, makes die clamp plate 3 and back plate 23 clamp die, and assembly is convenient, when disassembling die, rotating waist wheel 4 and transmission pin 31 are out of position, die clamp plate 3 and back plate 23 lose the clamping force of die, and can release die, and the mode of rotating waist wheel 4 realizes die changing, and assembly and disassembly are very convenient and fast, effectively improve die changing efficiency, and convenient to use.

[0030] Further, the end of transmission pin 31 passes out perforation 25 and is located outside die carrier 2, waist wheel 4 can rotate and install outside die carrier 2, and the end of transmission pin 31 is formed with inclined surface 311 corresponding to waist wheel 4. Set up like this, when rotating waist wheel 4 to contact transmission pin 31, under the action of force, waist wheel 4 slides along inclined surface 311, and then promotes transmission pin 31 and drives die clamp plate 3 to displace to back plate 23, realizes that die clamp plate 3 and back plate 23 clamp die.

[0031] Further, spring one 32 is sleeved on transmission pin 31, and the two ends of spring one 32 are fixed on front plate 22 and die clamp plate 3 respectively, and guiding assembly is arranged between front plate 22 and die clamp plate 3. Set up like this, in the initial state, under the action of spring one 32, pull die clamp plate 3 close or adhere to the inside of front plate 22, when rotating waist wheel 4 to correspond with transmission pin 3 and promote transmission pin 3 and drive die clamp plate 3 to displace to back plate 23, spring one 32 is in the state of stretching, when rotating waist wheel 4 and transmission pin 31 are out of position, under the rebound force of spring one 32, pull die clamp plate 3 close or adhere to the inside of front plate 22, to realize that die clamp plate 3 and back plate 23 release die.

[0032] Further, the guide assembly comprises a guide hole 26 arranged on the front plate 22 and a guide rod 33 arranged on the mold clamping plate 3, the guide rod 33 being slidably arranged in the guide hole 26. In this way, the mold clamping plate 3 can slide linearly in the mold mounting groove 24 more stably, and the clamping effect is better.

[0033] Further, the guide hole 26 is formed with a limiting step 27 near one end of the mold clamping plate 3, the end of the guide rod 33 is slidably arranged in the guide hole 26, a limiting block 34 is fixed on the end of the guide rod 33, and the limiting block 34 is arranged correspondingly to the limiting step 27. In this way, the mold clamping plate 3 can be prevented from being separated from the front plate 22 during sliding.

[0034] Further, the inside of the waist wheel 4 is arranged with a rotating pin 42, the mold frame 2 is arranged with a mounting hole 28, the rotating pin 42 is rotatably arranged in the mounting hole 28, and the outside of the waist wheel 4 is arranged with a rotating rod 41. In this way, when the waist wheel 4 is rotated, the rotating rod 4 is rotated to achieve the rotation of the waist wheel 4, and the operation is convenient.

[0035] Further, the mounting hole 28 is formed with a limiting step 29 near one end of the waist wheel 4, a limiting block 44 is fixed on the end of the rotating pin 42, and the limiting block 44 is arranged correspondingly to the limiting step 29. In this way, after the waist wheel 4 is assembled, it is attached to the mold frame 2, and when the waist wheel 4 is rotated, the rotating pin 42 will not be separated from the mounting hole 28, but will only rotate relative to the mounting hole 28.

[0036] Further, the outside of the mold frame 2 is arranged with a locking assembly 5, when the mold clamping plate 3 and the rear plate 23 are clamped to the mold by rotating the waist wheel 4, the waist wheel 4 can be locked by the locking assembly 5.

[0037] Further, the waist wheel 4 is arranged with a locking groove 43, the locking assembly 5 comprises a fixed plate 51, a locking pin 52, a limiting piece 53, a pull knob 54, and a spring 55, the fixed plate 51 is fixed to the outside of the mold frame 2, the first end of the locking pin 52 is fixedly connected with the pull knob 54, the second end of the locking pin 52 passes through the limiting piece 53, the spring 55 and the fixed plate 51 in sequence and is arranged correspondingly to the locking groove 43, and the two ends of the spring 55 are fixed to the limiting piece 53 and the fixed plate 51 respectively. In this way, the pull knob 54 is first pulled to drive the locking pin 52 to retract, and the rotating space of the waist wheel 4 is avoided, when the waist wheel 4 is rotated to correspond to the transmission pin 31, the locking groove 43 is just corresponded to the locking pin 52 at this time, the pull knob 54 is loosened, the locking pin 52 is driven to be inserted into the locking groove 43 under the rebounding force of the spring 55, at this time, the waist wheel 4 is in a locked state and cannot rotate by itself, thereby ensuring that the mold clamping plate 3 and the rear plate 23 are always in the clamped mold form.

[0038] Further, the mold frame 2 is formed with a mounting plate 21, and the mounting plate 21 is fixed to the mounting seat 1 by bolts. In this way, the assembly is convenient.

[0039] In practical application, the two perforations 25 and the two transmission pins 31 are located at the middle of the waist wheel 4, and the waist wheel 4 is vertically located between the two perforations 25, as shown in Figure 1 and 2 When the waist wheel 4 is rotated, the waist wheel 4 rotates around the rotating pin 42, and the upper and lower ends of the rotating pin 42 correspond to the inclined surfaces 311 of the two transmission pins 31, respectively.

[0040] It should be noted that the outer side of the front plate 22 is the side of the front plate 22 away from the rear plate 23, or the side close to the waist wheel 4, that is, the side corresponding to the waist wheel 4 as shown in Figure 2 and 3 The inner side of the waist wheel 4 is the side close to the front plate 22, that is, the side provided with the rotating pin 42 as shown in Figure 6 The outer side of the waist wheel 4 is the side away from the front plate 22, that is, the side provided with the rotating rod 41 as shown in Figure 6 .

[0041] The embodiments of the utility model are described above in combination with the drawings, but the utility model is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative but not restrictive, and the ordinary skilled in the art can make many forms under the inspiration of the utility model without departing from the purpose of the utility model and the scope protected by the claims, and these all belong to the protection scope of the utility model.

Claims

1. A quick die changing device for a bending forming machine, characterized in that, The utility model relates to a mould clamping device, including: Mounting seat (1), a plurality of mould frames (2) are fixed with interval on mounting seat (1), the front plate (22) and rear plate (23) are shaped on mould frame (2), the mould installation groove (24) is formed between the front plate (22) and rear plate (23), and the front plate (22) is equipped with the perforation (25); Mould clamp plate (3) is located in mould installation groove (24) and is slid, and the transmission pin (31) is equipped on mould clamp plate (3), and the transmission pin (31) passes out and is arranged with the perforation (25), and the transmission pin (31) is slid with the perforation (25) and is arranged; Waist wheel (4) can be rotatably installed on mould frame (2), and the waist wheel (4) is correspondingly arranged with the transmission pin (31), when the waist wheel (4) is rotated and contacts the transmission pin (31), the waist wheel (4) pushes the transmission pin (31) and drives mould clamp plate (3) to displace relative to rear plate (23), so that mould clamp plate (3) and rear plate (23) clamp mould, when the waist wheel (4) is rotated and the transmission pin (31) is misaligned, mould clamp plate (3) and rear plate (23) loosen mould.

2. The quick die changing device for a bending forming machine according to claim 1, characterized in that: The end of transmission pin (31) passes out and is located outside mould frame (2) with the perforation (25), the waist wheel (4) can be rotatably installed outside mould frame (2), and the end of transmission pin (31) is shaped with inclined surface (311) corresponding to waist wheel (4).

3. A quick die change device for a bending forming machine according to claim 2, characterized in that: Spring one (32) is sleeved on transmission pin (31), and the both ends of spring one (32) are fixed on front plate (22) and mould clamp plate (3) respectively, and guiding assembly is arranged between front plate (22) and mould clamp plate (3).

4. The quick die changing device for a bending machine according to claim 3, wherein: The guiding assembly includes guiding hole (26) arranged on front plate (22) and guiding rod (33) arranged on mould clamp plate (3), and the guiding rod (33) is slid with guiding hole (26) and is arranged.

5. A quick die change device for a bending forming machine according to claim 4, characterized in that: The end of guiding hole (26) close to mould clamp plate (3) is shaped with limit step one (27), the end of guiding rod (33) is slid in guiding hole (26), limit block one (34) is fixed on the end of guiding rod (33), and limit block one (34) is correspondingly arranged with limit step one (27).

6. The quick die changing device for a bending machine according to claim 2, wherein: The inside of waist wheel (4) is equipped with rotating pin (42), the mould frame (2) is equipped with mounting hole (28), the rotating pin (42) can be rotatably installed in mounting hole (28), and the outside of waist wheel (4) is equipped with rotating rod (41).

7. A quick die change device for a bending machine according to claim 6, characterized in that: The end of mounting hole (28) close to waist wheel (4) is shaped with limit step two (29), limit block two (44) is fixed on the end of rotating pin (42), and limit block two (44) is correspondingly arranged with limit step two (29).

8. The quick die changing device for a bending machine according to claim 2, wherein: The outside of mould frame (2) is equipped with locking assembly (5), when the waist wheel (4) is rotated and mould clamp plate (3) and rear plate (23) clamp mould, the waist wheel (4) can be locked through locking assembly (5).

9. A quick die change device for a bending forming machine according to claim 8, characterized in that: The waist wheel (4) is provided with a locking groove (43), the locking assembly (5) comprises a fixed plate (51), a locking pin (52), a limiting sheet (53), a pull knob (54) and a spring (55), the fixed plate (51) is fixed to the outside of the mold frame (2), the first end of the locking pin (52) is fixedly connected with the pull knob (54), the second end of the locking pin (52) is sequentially arranged through the limiting sheet (53), the spring (55) and the fixed plate (51) and is correspondingly arranged with the locking groove (43), and the two ends of the spring (55) are fixed on the limiting sheet (53) and the fixed plate (51) respectively.

10. The quick die changing device for a bending machine according to claim 1, wherein: The mold frame (2) is formed with a mounting plate (21), and the mounting plate (21) is fixed on the mounting seat (1) through bolts.

Images