CN218191915U

CN218191915U - Negative angle forming die

Info

Publication number: CN218191915U
Application number: CN202222599012.3U
Authority: CN
Inventors: 艾文波
Original assignee: Dongguan Qinjin Industry Co ltd
Current assignee: Dongguan Qinjin Industry Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-03
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a negative angle forming die relates to mould technical field, include base, machined part, support frame, electric putter, go up mould, gag lever post, bed die, forming mechanism, adjustment mechanism. The utility model discloses a set up forming mechanism, drive first locating part respectively through rotating adjusting bolt, the second locating part removes along the inner wall of spacing bottom plate, can be to the convenient adjustment of shaping angle, then place the upper surface in the backup pad with the machined part, and contact with the formed part, start electric putter and promote the mould decline this moment, it slides along the inner wall of fixed block through the gag lever post to go up the mould simultaneously, then the machined part is at first locating part, under the extrusion of second locating part, promote the backup pad to the formed part extrusion, the formed part uses the connection pivot to rotate as the axle center this moment, and to torsion spring distortion, simultaneously through formed part and first locating part, mutually supporting of second locating part, can improve the shaping efficiency to machined part negative angle.

Description

Negative angle forming die

Technical Field

The utility model relates to the technical field of mold, specifically negative angle forming die.

Background

The die is a kind of dies and tools for obtaining the required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, in short, the die is a tool for making the formed article, the tool is composed of various parts, different dies are composed of different parts, it mainly realizes the processing of the shape of the article by the change of the physical state of the formed material, wherein the stamping die is a special process equipment for processing the material into parts in cold stamping, called cold stamping die, and stamping is a pressure processing method for obtaining the required parts by applying pressure to the material by using the die installed on the press machine at room temperature to separate or plastically deform the material.

Present part L type panel work piece need be processed into the negative angle to its corner angle in the course of working, but the mould that has now to be used for processing into the negative angle can't carry out quick adjustment according to the negative angle demand in the use, leads to in the use, needs the workman to rely on self experience to judge the negative angle of punching press, leads to the shaping efficiency of work piece lower, for this reason we have proposed negative angle forming die.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the forming efficiency of a workpiece is lower because the workpiece cannot be rapidly adjusted according to the requirement of a negative angle, a negative angle forming die is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the negative angle forming die comprises a base and a machined part, wherein the top end of the base is fixedly connected with a support frame through a bolt assembly, the top end of the support frame is fixedly connected with an electric push rod through a bolt, the output end of the electric push rod is fixedly connected with an upper die positioned below the support frame, the bottom ends of two sides of the upper die are fixedly connected with limiting rods, the top end of the base and the position below the upper die are fixedly connected with a lower die through a bolt assembly, and the bottom end of the upper die is provided with an adjusting mechanism for adjusting the negative angle of the machined part; the adjusting mechanism comprises adjusting bolts, a first limiting part, a limiting bottom plate and a second limiting part, the limiting bottom plate is fixedly connected to the bottom end of the upper die through a bolt assembly, the first limiting part is slidably connected to the inside of one side of the limiting bottom plate, the first limiting part penetrates through the outer wall of the bottom end of the limiting bottom plate, the second limiting part is slidably connected to the inside of one side of the limiting bottom plate and is located above the formed part, the second limiting part penetrates through the outer wall of the bottom end of the limiting bottom plate, the two adjusting bolts are arranged, are respectively rotatably connected to the inside of two sides of the upper die and penetrate through the upper die to be respectively in threaded connection with the first limiting part and the second limiting part; and the top end of the lower die is provided with a forming mechanism for performing negative angle punch forming on the machined part.

As a further aspect of the present invention: forming mechanism includes fixed block, backup pad, formed part, connection pivot, torque spring and fixed stop, the backup pad sets up the upper surface at the bed die, and contacts with the lower surface of machined part, fixed stop passes through bolt fixed connection on the top of bed die, and contacts with one side outer wall of backup pad, the fixed block is provided with two sets ofly, and is two sets of fixed block difference fixed connection is in the both sides on bed die top, and with gag lever post sliding connection, the formed part sets up in a set of fixed block intermediate position department, and contacts with one side outer wall of machined part, it is provided with two, two to connect the pivot fixed connection respectively at the both ends of formed part, and rotate with the fixed block and be connected, torque spring is provided with two, two torque spring block connection respectively is at the both ends of formed part, and is connected with the one end block of fixed block inner wall, torque spring cup joints the outer wall of connecting the pivot.

As a further aspect of the present invention: and the two fixing blocks are respectively and fixedly connected with two ends of the top end of the lower die.

As a further aspect of the present invention: one side that the machined part was kept away from to the formed part is provided with the limit baffle with bed die fixed connection, the position department that meets of formed part and machined part has seted up negative angle shaping groove, the backup pad meets position department with the formed part and has seted up and formed part outer wall anastomotic connecting groove each other.

As the utility model discloses further scheme again: the outer wall of one side, away from the first limiting part, of the second limiting part is in a slope shape, and the outer wall of one side, away from the second limiting part, of the first limiting part is in a vertical shape.

As a further aspect of the present invention: the first limiting part and the second limiting part are close to each other, limiting chutes are formed in two ends of one side of the first limiting part and the second limiting part, and connecting sleeve grooves matched with the outer walls of the first limiting part and the second limiting part are formed in the positions where the limiting bottom plate is connected with the first limiting part and the second limiting part.

As the utility model discloses further scheme again: the connecting positions of the first limiting part, the second limiting part and the adjusting bolt are provided with thread grooves matched with the threads on the outer wall of the adjusting bolt, and the inner wall of each thread groove is rectangular.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up forming mechanism, drive first locating part respectively through rotating adjusting bolt, the second locating part removes along the inner wall of spacing bottom plate, can be to the convenient adjustment of shaping angle, then place the machined part on the upper surface of backup pad, and contact with the formed part, start electric putter and promote the mould decline this moment, it slides along the inner wall of fixed block through the gag lever post to go up the mould simultaneously, then the machined part is at first locating part, under the extrusion of second locating part, promote the backup pad and extrude the formed part, the formed part rotates with connecting the pivot as the axle center this moment, and to torsion spring distortion, simultaneously through the formed part and first locating part, mutually supporting of second locating part, can improve the shaping efficiency to the machined part minus angle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the support frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the upper mold and the limiting bottom plate of the present invention;

fig. 4 is a schematic sectional view of the fixing block of the present invention.

In the figure: 1. a base; 2. a molding mechanism; 201. a fixed block; 202. a support plate; 203. forming a shaped part; 204. connecting the rotating shaft; 205. a torsion spring; 206. fixing a baffle plate; 3. an adjustment mechanism; 301. adjusting the bolt; 302. a first limit piece; 303. a limiting bottom plate; 304. a second limit piece; 4. an electric push rod; 5. an upper die; 6. a limiting rod; 7. a lower die; 8. processing a workpiece; 9. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a negative angle forming mold includes a base 1 and a workpiece 8, a supporting frame 9 is fixedly connected to a top end of the base 1 through a bolt assembly, an electric push rod 4 is fixedly connected to a top end of the supporting frame 9 through a bolt, an upper mold 5 located below the supporting frame 9 is fixedly connected to an output end of the electric push rod 4, limiting rods 6 are fixedly connected to bottom ends of two sides of the upper mold 5, a lower mold 7 is fixedly connected to a top end of the base 1 and located below the upper mold 5 through a bolt assembly, and an adjusting mechanism 3 for adjusting a negative angle of the workpiece 8 is disposed at a bottom end of the upper mold 5; the adjusting mechanism 3 comprises adjusting bolts 301, first limiting members 302, a limiting bottom plate 303 and second limiting members 304, the limiting bottom plate 303 is fixedly connected to the bottom end of the upper mold 5 through bolt assemblies, the first limiting members 302 are slidably connected to the inside of one side of the limiting bottom plate 303, the first limiting members 302 penetrate through to the outer wall of the bottom end of the limiting bottom plate 303, the second limiting members 304 are slidably connected to the inside of one side of the limiting bottom plate 303 and located above the formed part 203, the second limiting members 304 penetrate through to the outer wall of the bottom end of the limiting bottom plate 303, the two adjusting bolts 301 are arranged, the two adjusting bolts 301 are respectively rotatably connected to the inside of two sides of the upper mold 5, and penetrate through the upper mold 5 and are respectively in threaded connection with the first limiting members 302 and the second limiting members 304; the top end of the lower die 7 is provided with a forming mechanism 2 for performing negative angle punch forming on a workpiece 8.

In this embodiment: during the use, the adjusting bolt 301 is rotated to drive the first limiting part 302 and the second limiting part 304 to move respectively, at the moment, the first limiting part 302 and the second limiting part 304 all slide along the inner wall of the limiting bottom plate 303 through limiting chutes, so that the positions of the first limiting part 302 and the second limiting part 304 can be conveniently adjusted, then the electric push rod 4 is started to push the upper die 5 to descend, meanwhile, the first limiting part 302 and the second limiting part 304 perform stamping operation on the machined part 8 through the limiting bottom plate 303, and meanwhile, through the mutual matching of the first limiting part 302 and the second limiting part 304 with the forming mechanism 2, the forming angle of the machined part 8 can be conveniently adjusted according to requirements.

Please refer to fig. 1 to 4, the forming mechanism 2 includes a fixing block 201, a supporting plate 202, two forming members 203, a connecting rotating shaft 204, a torsion spring 205 and a fixing baffle 206, the supporting plate 202 is disposed on the upper surface of the lower mold 7 and contacts with the lower surface of the workpiece 8, the fixing baffle 206 is fixedly connected to the top end of the lower mold 7 through bolts and contacts with the outer wall of one side of the supporting plate 202, two sets of fixing blocks 201 are disposed, the two sets of fixing blocks 201 are respectively fixedly connected to two sides of the top end of the lower mold 7 and slidably connected to the limiting rod 6, the forming member 203 is disposed at the middle position of the set of fixing blocks 201 and contacts with the outer wall of one side of the workpiece 8, two connecting rotating shafts 204 are disposed, the two connecting rotating shafts 204 are respectively and fixedly connected to two ends of the forming member 203 and rotatably connected to the fixing blocks 201, two torsion springs 205 are respectively connected to two ends of the forming member 203 and are connected to one end of the inner wall of the fixing block 201, and the torsion springs 205 are sleeved on the outer wall of the connecting rotating shaft 204.

In this embodiment: the machined part 8 is placed on the upper surface of the supporting plate 202 and is in contact with the outer wall of one side of the formed part 203, at the moment, the electric push rod 4 is started to push the upper die 5 to descend, meanwhile, the upper die 5 slides along the inner wall of the fixing block 201 through the limiting rod 6, then, the machined part 8 is extruded by the first limiting part 302 and the second limiting part 304 to push the supporting plate 202 to descend, at the moment, the formed part 203 is extruded by the supporting plate 202 and rotates by taking the connecting rotating shaft 204 as an axis, meanwhile, the formed part 203 twists the torsion spring 205 through rotation, in the process, the formed part 203 is matched with the adjusting mechanism 3 through the negative angle forming groove, and the outer wall of one side of the machined part 8 is subjected to punch forming, so that the machined part 8 can be quickly formed, then, the electric push rod 4 is used for carrying out reverse operation on the torsion operation, at the torsion spring 205 drives the formed part 203 to reset through the rebound torsion spring, meanwhile, the formed part 203 rotates and limits the position through the limiting baffle plate, and pushes the supporting plate 202 to reset, so as to conveniently carry out quick punch forming on the next machined part 8.

Please refer to fig. 2 to 4, a limiting baffle is disposed on a side of the forming part 203 away from the workpiece 8 and fixedly connected to the lower mold 7, a negative angle forming groove is disposed at a position where the forming part 203 is connected to the workpiece 8, and a connecting slot matched with an outer wall of the forming part 203 is disposed at a position where the supporting plate 202 is connected to the forming part 203.

In this embodiment: the formed part 203 can be rotated and limited by the limiting baffle, and meanwhile, the formed part 203 can be pushed to ascend through the support plate 202 in the resetting process by the connecting clamping groove.

Please refer to fig. 2 to fig. 4, two ends of one side of the first limiting member 302 and the second limiting member 304 close to each other are both provided with a limiting chute, and a connecting socket matched with the outer walls of the first limiting member 302 and the second limiting member 304 is formed at the connecting position of the limiting bottom plate 303 and the first limiting member 302 and the second limiting member 304.

In this embodiment: through the mutual matching of the limiting chute and the connecting sleeve groove, the first limiting member 302 and the second limiting member 304 can respectively slide along the inner wall of the limiting bottom plate 303 under the rotation of the adjusting bolt 301.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The negative angle forming die comprises a base (1), a workpiece (8), a support frame (9), an electric push rod (4), an upper die (5), a limiting rod (6) and a lower die (7), and is characterized in that an adjusting mechanism (3) for adjusting the negative angle of the workpiece (8) is arranged at the bottom end of the upper die (5);

the adjusting mechanism (3) comprises adjusting bolts (301), a first limiting part (302), a limiting bottom plate (303) and a second limiting part (304), the limiting bottom plate (303) is fixedly connected to the bottom end of the upper die (5) through a bolt assembly, the first limiting part (302) is slidably connected to the inside of one side of the limiting bottom plate (303) and located above the fixed baffle (206), the first limiting part (302) penetrates through the outer wall of the bottom end of the limiting bottom plate (303), the second limiting part (304) is slidably connected to the inside of one side of the limiting bottom plate (303) and located above the forming part (203), the second limiting part (304) penetrates through the outer wall of the bottom end of the limiting bottom plate (303), two adjusting bolts (301) are arranged, the two adjusting bolts (301) are respectively rotatably connected to the inside of two sides of the upper die (5), and penetrate through the upper die (5) and are respectively in threaded connection with the first limiting part (302) and the second limiting part (304);

the top end of the lower die (7) is provided with a forming mechanism (2) used for carrying out negative angle punch forming on a machined part (8).

2. The negative angle forming die according to claim 1, wherein the forming mechanism (2) comprises a fixing block (201), a supporting plate (202), a forming piece (203), a connecting rotating shaft (204), a torsion spring (205) and a fixing baffle (206), the supporting plate (202) is arranged on the upper surface of the lower die (7), and is contacted with the lower surface of a workpiece (8), the fixed baffle (206) is fixedly connected with the top end of the lower die (7) through a bolt, and is contacted with the outer wall of one side of the supporting plate (202), two groups of fixing blocks (201) are arranged, the two groups of fixing blocks (201) are respectively and fixedly connected with the two sides of the top end of the lower die (7), and is connected with the limiting rod (6) in a sliding way, the forming piece (203) is arranged at the middle position of the group of fixing blocks (201), and is contacted with the outer wall of one side of the workpiece (8), two connecting rotating shafts (204) are arranged, the two connecting rotating shafts (204) are respectively and fixedly connected with the two ends of the forming part (203), and is rotationally connected with the fixed block (201), two torsion springs (205) are arranged, the two torsion springs (205) are respectively clamped and connected with the two ends of the forming part (203), and is clamped and connected with one end of the inner wall of the fixed block (201), and the torsion spring (205) is sleeved on the outer wall of the connecting rotating shaft (204).

3. The negative angle forming die of claim 2, wherein two fixing blocks (201) are arranged in one group, and the two fixing blocks (201) are respectively and fixedly connected with two ends of the top end of the lower die (7).

4. The negative angle forming die of claim 2, wherein a limit baffle fixedly connected with the lower die (7) is arranged on one side of the forming part (203) away from the workpiece (8), a negative angle forming groove is formed at the position where the forming part (203) is connected with the workpiece (8), and a connecting clamping groove matched with the outer wall of the supporting plate (202) is formed at the position where the supporting plate (202) is connected with the forming part (203).

5. The negative angle forming die of claim 1, wherein an outer wall of a side of the second limiting member (304) away from the first limiting member (302) is sloped, and an outer wall of a side of the first limiting member (302) away from the second limiting member (304) is vertical.