CN219004278U

CN219004278U - Novel bending die

Info

Publication number: CN219004278U
Application number: CN202223471277.1U
Authority: CN
Inventors: 林孝发; 林孝山; 许新玉
Original assignee: Xiamen Kailley Enterprise Co ltd
Current assignee: Xiamen Kailley Enterprise Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-12
Anticipated expiration: 2032-12-23

Abstract

The novel bending die comprises an upper die set and a lower die set which are matched with each other, wherein the upper die set is provided with an upper clamping seat, two sides of the upper clamping seat are provided with upper bending blocks, and the upper bending blocks are provided with first adjusting devices capable of adjusting the rotating angles of the upper bending blocks; the lower die set is provided with a lower clamping seat which is used for placing a workpiece and can move up and down, two sides of the lower clamping seat are provided with lower bending blocks, and the lower bending blocks are provided with second adjusting devices capable of adjusting the rotating angles of the lower bending blocks; the upper clamping seat and the lower clamping seat are mutually matched to clamp a workpiece, and the first adjusting device and the second adjusting device are adjusted to control the rotating angles of the upper bending block and the lower bending block, so that the bending width of the workpiece is adjusted.

Description

Novel bending die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a novel bending die.

Background

The bending die mainly applies external pressure through a bending machine to change the physical form of the blank, so that the blank is formed into special pairs of shapes and sizes. The U-shaped workpiece is one of the biggest bending workpieces of demand, and current bending die does not have the adjustment function, and the U-shaped workpiece that the mould only can process has the same angle of bending and width of bending promptly, and the U-shaped workpiece that if need different size requirements of bending need to relate to a plurality of bending dies, causes machining efficiency low, and manufacturing cost is higher.

Disclosure of Invention

Aiming at the defects existing in the background technology, the utility model aims to provide a novel bending die.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the novel bending die comprises an upper die set and a lower die set which are matched with each other, wherein the upper die set is provided with an upper clamping seat, two sides of the upper clamping seat are provided with upper bending blocks, and the upper bending blocks are provided with first adjusting devices capable of adjusting the rotating angles of the upper bending blocks; the lower die set is provided with a lower clamping seat which is used for placing a workpiece and can move up and down, two sides of the lower clamping seat are provided with lower bending blocks, and the lower bending blocks are provided with second adjusting devices capable of adjusting the rotating angles of the lower bending blocks; the upper clamping seat and the lower clamping seat are mutually matched to clamp the workpiece, and the first adjusting device and the second adjusting device are adjusted to control the rotation angles of the upper bending block and the lower bending block, so that the bending width of the workpiece is adjusted.

Further, the lower clamping seat can be abutted to the lower bending block, and the inward rotating angle of the lower bending block is controlled by adjusting the downward pressing distance of the lower clamping seat after being abutted to the lower bending block, so that the workpiece is inwards bent, and the bending angle of the workpiece is adjusted.

Further, the first adjusting device is an adjusting screw which is penetrated and in threaded fit with the upper bending block, and one end of the adjusting screw protruding out of the upper bending block is abutted against the upper clamping seat; the second adjusting device is a positioning column which is abutted to the lower end face of the lower bending block and adjustable in height.

Furthermore, inclined planes are arranged on two sides of the top of the upper clamping seat, and one end of the adjusting screw is abutted to the inclined planes.

Further, the lower bending block is provided with an abutting part for abutting the lower clamping seat, and when the lower clamping seat abuts the abutting part and continuously presses down, the lower bending block rotates inwards.

Further, the lower bending block is provided with at least one first positioning groove, the lower bending block is pivoted with a roller, the roller is provided with a second positioning groove, and the upper bending block is provided with a third positioning groove matched with the second positioning groove.

Further, an upper positioning groove is formed in the bottom of the upper clamping seat, a lower positioning groove which is matched with the upper positioning groove to clamp the workpiece is formed in the top of the lower clamping seat, and the upper positioning groove and the lower positioning groove are coaxially arranged with the first positioning groove.

Further, the upper module comprises two upper side plates, the upper clamping seat is fixedly connected to the upper side plates, the upper bending block is pivoted to the upper side plates, a connecting plate is arranged between the two upper side plates, a die shank is arranged at the top of the connecting plate, and the die shank is connected to a pressure source.

Further, the lower module comprises a bottom plate, and lower side plates are arranged on two sides of the bottom plate; the lower bending block is pivoted to the lower side plate, a sliding groove is formed in the lower side plate, the lower clamping seat is slidably matched with the sliding groove, a thimble is arranged at the bottom of the lower clamping seat and used for resetting the lower clamping seat so as to facilitate taking out of the workpiece, and the second adjusting device and the thimble penetrate through the bottom plate.

Further, one side of the lower module is provided with a workpiece length positioning assembly for selecting a workpiece with a proper length to bend, and the workpiece length positioning assembly comprises a positioning rod connected to the side plate and a positioning plate sleeved outside the positioning rod in a sliding manner.

The beneficial effects of the utility model are as follows:

1. the novel bending die is provided with an upper bending block and a lower bending block, the rotation angles of the upper bending block and the lower bending block can be adjusted through a first adjusting device and a second adjusting device, and the bending width of a workpiece is adjusted through the cooperative adjustment of the rotation angles of the upper bending block and the lower bending block.

2. According to the novel bending die provided by the utility model, the lower clamping seat is continuously pressed downwards after being abutted by the upper die set, at the moment, the lower bending block can rotate inwards to force the workpiece to be further inwards bent, so that the bending angle of the workpiece exceeds 90 degrees; the workpiece is bent to a required angle by controlling the distance for the upper module to continue to press down.

3. The utility model provides a novel bending die which is provided with a plurality of positioning grooves, in particular to a novel bending die which is characterized in that a first positioning groove is used for preventing a workpiece from shifting in the bending process, and a second positioning groove and a third positioning groove and an upper positioning groove and a lower positioning groove are respectively matched correspondingly, so that the workpiece is clamped; meanwhile, the number of the positioning grooves can be increased or decreased according to actual production requirements, so that a plurality of workpieces can be clamped and bent at one time within the allowable range of bending pressure.

4. According to the novel bending die, the ejector pins are arranged at the bottom of the lower clamping seat, and the lower clamping seat is reset to the initial position after the workpiece is bent, so that the workpiece is conveniently taken out.

5. According to the novel bending die provided by the utility model, the sliding groove for being matched with the lower clamping seat is formed in the inner side of the side plate of the lower die set, so that on one hand, the sliding groove ensures that the lower clamping seat can move in the vertical direction, and the lower clamping seat is prevented from shifting in the up-and-down movement process; on the other hand, the sliding groove enables the lower clamping seat to have a limiting position moving downwards, and damage to the die due to excessive downward pressing in the excessive bending process is avoided.

6. According to the novel bending die provided by the utility model, the workpiece length positioning assembly is arranged on one side of the lower clamping seat, and the position of the positioning block can be adjusted according to the processing requirement so as to select a workpiece with proper length for bending treatment.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a novel bending die of the present utility model;

FIG. 2 is an exploded view of an upper die set of a novel bending die of the present utility model;

FIG. 3 is an exploded view of a lower die set of a novel bending die of the present utility model;

FIG. 4 is a schematic diagram of an upper bending block of a novel bending die of the present utility model;

FIG. 5 is a schematic diagram of a lower bending block of a novel bending die of the present utility model;

FIG. 6 is a schematic diagram of an upper clamping seat of a novel bending die of the utility model;

FIG. 7 is a schematic view of a lower holder of a novel bending die of the present utility model;

FIG. 8 is a schematic diagram showing an initial state of a certain bending width of a novel bending die according to the present utility model;

FIG. 9 is a schematic diagram of a novel bending die with a bending angle of 90 degrees;

FIG. 10 is a schematic view showing a bending angle exceeding 90 degrees of a novel bending die of the utility model;

FIG. 11 is a schematic view of another bending width of a novel bending die of the present utility model;

in the figure, 10, an upper module; 101. an upper clamping seat; 1011. an inclined plane; 1012. an upper positioning groove; 102. an upper bending block; 1021. a third positioning groove; 103. a first adjusting device; 104. an upper side plate; 105. a connecting plate; 106. a die handle; 20. a lower module; 201. a lower clamping seat; 2011. a lower positioning groove; 202. a lower bending block; 2021. an abutting portion; 2022. a first positioning groove; 203. a roller; 2031. a second positioning groove; 204. a second adjusting device; 205. a bottom plate; 206. a lower side plate; 2061. a chute; 207. a thimble; 30. a length positioning assembly; 301. a positioning rod; 302. a positioning plate; 40. a workpiece.

Detailed Description

The utility model is described in detail below with reference to fig. 1-11.

The novel bending die comprises an upper die set 10 and a lower die set 20 which are matched with each other, wherein the upper die set 10 is provided with an upper clamping seat 101, two sides of the upper clamping seat 101 are provided with upper bending blocks 102, and the upper bending blocks 102 are provided with first adjusting devices 103 capable of adjusting the rotation angles of the upper bending blocks; the lower die set 20 is provided with a lower clamping seat 201 which is used for placing the workpiece 40 and can move up and down, two sides of the lower clamping seat 201 are provided with lower bending blocks 202, and the lower bending blocks 202 are provided with a second adjusting device 204 which can adjust the rotating angle of the lower bending blocks; the upper clamping seat 101 and the lower clamping seat 201 are matched with each other to clamp the workpiece 40, and the first adjusting device 103 and the second adjusting device 204 are adjusted to control the rotation angles of the upper bending block 102 and the lower bending block 202, so that the bending width of the workpiece 40 is adjusted.

The novel bending die provided by the utility model is provided with the upper bending block 102 and the lower bending block 202, the rotation angles of which can be adjusted through the first adjusting device 103 and the second adjusting device 204, and the bending width of the workpiece 40 is adjusted through the cooperative adjustment of the rotation angles of the upper bending block 102 and the lower bending block 202.

In this example, the lower clamping seat 201 may abut against the lower bending block 202, and by adjusting the distance that the lower clamping seat 201 abuts against the upper bending block 102 and then continuously presses down, the angle of inward rotation of the lower bending block 202 is controlled, so that the workpiece 40 is bent inwards, and the bending angle of the workpiece 40 is adjusted; further, the lower bending block 202 is provided with an abutment 2021 for abutting against the lower holder 201, and when the lower holder 201 abuts against the abutment 2021 and continues to be pressed down, the lower bending block 202 rotates inward.

According to the novel bending die provided by the utility model, the lower clamping seat 201 is continuously pressed downwards after being abutted by the upper die set 10, at the moment, the lower bending block 202 can rotate inwards to force the workpiece 40 to be further inwards bent, so that the bending angle of the workpiece 40 exceeds 90 degrees; the workpiece 40 is bent to a desired angle by controlling the distance the upper die set 10 continues to be depressed.

In this embodiment, the first adjusting device 103 is an adjusting screw that is threaded through and is in threaded engagement with the upper bending block 102, and one end of the adjusting screw protruding out of the upper bending block 102 abuts against the upper clamping seat 101; the second adjusting device 204 is a positioning column which is abutted against the lower end surface of the lower bending block 202 and has adjustable height; further, inclined planes 1011 are provided on both sides of the top of the upper clamping seat 101, and one end of the adjusting screw abuts against the inclined planes 1011.

In this embodiment, the lower bending block 202 is provided with at least one first positioning groove 2022, the lower bending block 202 is provided with a roller 203, the roller 203 is provided with a second positioning groove 2031, the upper bending block 102 is provided with a third positioning groove 1021 matched with the second positioning groove 2031, and the third positioning groove 1021 and the first positioning groove 2022 are coaxially arranged; further, an upper positioning groove 1012 is formed at the bottom of the upper clamping seat 101, a lower positioning groove 2011 which is matched with the upper positioning groove 1012 to clamp the workpiece 40 is formed at the top of the lower clamping seat 201, and the upper positioning groove 1012 and the lower positioning groove 2011 are coaxially arranged with the first positioning groove 2022.

In this embodiment, the first positioning groove 2022 is used to prevent the workpiece 40 from shifting during the bending process, and the second positioning groove 2031 and the third positioning groove 1021 and the upper positioning groove 1012 and the lower positioning groove 2011 are respectively correspondingly matched with each other, so as to clamp the workpiece 40; meanwhile, the number of the positioning grooves is the same, and the specific number of the positioning grooves is three in the embodiment, and the number of the positioning grooves can be increased or decreased according to actual production requirements, so that a plurality of workpieces 40 can be clamped and bent at one time within the allowable range of bending pressure.

In this embodiment, the upper module 10 includes two upper side plates 104, the upper clamping seat 101 is fixedly connected to the upper side plates 104, the upper bending block 102 is pivotally connected to the upper side plates 104, a connecting plate 105 is disposed between the two upper side plates 104, a die shank 106 is disposed at the top of the connecting plate 105, and the die shank 106 is connected to a pressure source.

In this embodiment, the lower module 20 includes a bottom plate 205, and lower side plates 206 are disposed on two sides of the bottom plate 205; the lower bending block 202 is pivotally connected to the lower side plate 206, a sliding slot 2061 is disposed in the lower side plate 206, the lower holder 201 is slidably engaged with the sliding slot 2061, and a thimble 207 is disposed at the bottom of the lower holder 201 for resetting the lower holder 201 to facilitate the removal of the workpiece 40, and the second adjusting device 204 and the thimble 207 are disposed on the bottom plate 205. The sliding groove 2061 has the function of ensuring that the lower clamping seat 201 can move in the vertical direction and avoiding the deviation in the up-and-down movement process; on the other hand, the lower clamping seat 201 has a limiting position moving downwards, so that damage to the die caused by excessive pressing in the process of excessive bending is avoided.

In this embodiment, a workpiece 40 length positioning assembly 30 is disposed at one side of the lower module 20, and is used for selecting a workpiece 40 with a proper length for bending, and the workpiece comprises a positioning rod 301 connected to a side plate and a positioning plate 302 slidably sleeved outside the positioning rod 301. The workpiece 40 length positioning assembly 30 has the function of adjusting the position of the positioning block according to the processing requirement so as to select a workpiece 40 with a proper length for bending processing.

The utility model provides a novel bending die, which comprises the following bending process:

the upper die set 10 and the lower die set 20 are connected to bending machine equipment, the die shank 106 is connected to a pressure output end, the ejector pin 207 and the second adjusting device 204 are respectively connected to a first cylinder and a second cylinder, and the bending die is installed.

Adjusting the positioning plate 302 to the required length of the processed workpiece 40, and selecting a workpiece 40 with a proper length to perform bending operation according to the required length; then, the workpiece 40 with a proper length is placed in the lower positioning groove 2011 of the lower clamping seat 201, and the upper module 10 slowly descends under the drive of the pressure output end until the upper positioning groove 1012 of the upper clamping seat 101 is matched with the lower positioning groove 2011 of the lower clamping seat 201 to clamp the workpiece 40, as shown in fig. 8.

The upper module 10 is further lowered, so that the third positioning groove 1021 of the upper bending block 102 is matched with the second positioning groove 2031 of the roller 203, the workpiece 40 is always clamped in the bending process, and the first positioning groove 2022 prevents the workpiece 40 from shifting in the bending process. At this time, the lower holder 201 starts to descend by the bending pressure, and the work 40 is bent inward by the cooperation of the third positioning groove 1021 and the second positioning groove 2031. When the workpiece 40 is bent to 90 degrees, as shown in fig. 9, the upper module 10 can stop descending; if the required bending angle exceeds 90 degrees, the upper module 10 continues to press down to make the lower clamping seat 201 abut against the abutting portion 2021 of the lower bending block 202, so that the lower bending block 202 rotates inwards, and then the workpiece 40 continues to bend inwards, so that the bending angle exceeds 90 degrees, as shown in fig. 10.

When the workpiece 40 is bent to the bending degree required by processing, the upper module 10 rises, the first cylinder pushes the lower clamping seat 201 to the initial position through the ejector pin 207, the lower bending block 202 is automatically reset under the action of gravity, and at the moment, an operator takes out the processed workpiece 40.

If the bending width of the current bending die is different from the drawing processing requirement, the operator only needs to rotate the first adjusting device 103, that is, rotate the adjusting screw to rotate the upper bending block 102, correspondingly, start the second cylinder to adjust the height of the positioning column, so that the lower bending block 202 rotates, as shown in fig. 11, and the same bending die can be applied to different bending width processing conditions.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it, and not to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. The novel bending die comprises an upper die set and a lower die set which are matched with each other, and is characterized in that the upper die set is provided with an upper clamping seat, two sides of the upper clamping seat are provided with upper bending blocks, and the upper bending blocks are provided with first adjusting devices capable of adjusting the rotating angles of the upper bending blocks; the lower die set is provided with a lower clamping seat which is used for placing a workpiece and can move up and down, two sides of the lower clamping seat are provided with lower bending blocks, and the lower bending blocks are provided with second adjusting devices capable of adjusting the rotating angles of the lower bending blocks; the upper clamping seat and the lower clamping seat are mutually matched to clamp the workpiece, and the first adjusting device and the second adjusting device are adjusted to control the rotation angles of the upper bending block and the lower bending block, so that the bending width of the workpiece is adjusted.

2. The novel bending die as set forth in claim 1, wherein said lower holder is adapted to abut against said lower bending block and to control an angle of inward rotation of said lower bending block by adjusting a distance by which said lower holder is adapted to continue to press down after abutting against said lower bending block, so that said workpiece is bent inward, thereby adjusting a bending angle of said workpiece.

3. The novel bending die as set forth in claim 1, wherein said first adjusting means is an adjusting screw threaded through said upper bending block, said adjusting screw protruding from one end of said upper bending block to abut said upper clamping seat; the second adjusting device is a positioning column which is abutted to the lower end face of the lower bending block and adjustable in height.

4. The novel bending die as claimed in claim 3, wherein inclined planes are formed on two sides of the top of the upper clamping seat, and one end of the adjusting screw is abutted against the inclined planes.

5. The novel bending die as set forth in claim 2, wherein said lower bending block is provided with an abutment portion for abutting said lower holder, said lower bending block being rotated inwardly when said lower holder abuts said abutment portion and continues to be depressed.

6. The novel bending die as set forth in claim 1, wherein said lower bending block is provided with at least one first positioning groove, said lower bending block is pivotally connected to a roller, said roller is provided with a second positioning groove, and said upper bending block is provided with a third positioning groove cooperating with said second positioning groove.

7. The novel bending die as set forth in claim 6, wherein said upper clamping seat has an upper positioning groove at its bottom, said lower clamping seat has a lower positioning groove at its top for clamping said workpiece in cooperation with said upper positioning groove, said upper and lower positioning grooves being coaxially disposed with said first positioning groove.

8. The novel bending die set according to any one of claims 1-7, wherein the upper die set comprises two upper side plates, the upper clamping seat is fixedly connected to the upper side plates, the upper bending block is pivoted to the upper side plates, a connecting plate is arranged between the two upper side plates, a die shank is arranged at the top of the connecting plate, and the die shank is connected to a pressure source.

9. A novel bending die as claimed in any one of claims 1 to 7 wherein said lower die set comprises a base plate, said base plate being provided on both sides with lower side plates; the lower bending block is pivoted to the lower side plate, a sliding groove is formed in the lower side plate, the lower clamping seat is slidably matched with the sliding groove, a thimble is arranged at the bottom of the lower clamping seat and used for resetting the lower clamping seat so as to facilitate taking out of the workpiece, and the second adjusting device and the thimble penetrate through the bottom plate.

10. The novel bending die as set forth in claim 9, wherein one side of said lower die set is provided with a workpiece length positioning assembly for selecting a proper length of said workpiece for bending, and said positioning assembly comprises a positioning rod connected to said side plate and a positioning plate slidably sleeved outside said positioning rod.