CN221362053U

CN221362053U - Multifunctional bending die replacing device and bending machine

Info

Publication number: CN221362053U
Application number: CN202323358276.0U
Authority: CN
Inventors: 徐正忠; 杨祖会
Original assignee: ANHUI SANXIN HEAVY INDUSTRY MACHINERY MANUFACTURING CO LTD
Current assignee: ANHUI SANXIN HEAVY INDUSTRY MACHINERY MANUFACTURING CO LTD
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-07-19
Anticipated expiration: 2033-12-05

Abstract

The utility model discloses a multifunctional bending die replacing device and a bending machine, and belongs to the technical field of bending machines. The device is detachable construction with multi-functional mould of bending, includes: the fixing rods are arranged on the upper die frame and extend outwards beyond the end parts of the two sides of the multifunctional bending die; the connecting rod is arranged on the multifunctional bending die; the connecting rod extends outwards to be flush with the end face of the fixing rod in a vertical plane; and the hoisting component can be matched with the fixing rod, and is sleeved with the connecting rod. Connecting rods and lifting parts are arranged on two sides of the multifunctional bending die and are located outside the bending areas of the workbench and the upper die, so that normal operation of the bending machine cannot be influenced, and the multifunctional bending die is simple and practical in structure and capable of being replaced rapidly.

Description

Multifunctional bending die replacing device and bending machine

Technical Field

The utility model belongs to the technical field of bending machines, and particularly relates to a multifunctional bending die replacing device and a bending machine.

Background

The bending machine is an important device for bending and forming workpieces in the sheet metal industry, and has the function of pressing the steel plate into parts with various shapes according to process requirements. Therefore, the bending machine is widely applied to various manufacturing and processing industries such as electrical cabinets, generators, lighting equipment, elevators, metal furniture, subway accessories, automobiles, grain machinery, textile machinery, engineering machinery, precision accessories, household appliances, process gifts, hospital laboratory equipment, kitchen ware processing and the like.

At present, the bender is carrying out the in-process of changing the mould, because the weight of mould self, when changing the mould, can be very laborious, still need to remove the mould towards the centre, consuming time and consuming time, not only influence production efficiency, there is the potential safety hazard simultaneously.

In order to solve the above problems, chinese patent CN116251865A discloses a mold-changing auxiliary mechanism for a bending machine, which comprises a bending machine frame, a lower mold and an upper mold are respectively mounted on the bending machine frame, a CNC triaxial platform is mounted on the bending machine frame, a telescopic arm is slidably mounted on the top of the CNC triaxial platform, a mold-changing clamp is fixedly mounted on the side surface of the telescopic arm, the mold-changing clamp comprises a mounting block, a plugboard is fixedly mounted on the side surface of the mounting block, a chute is formed on the upper surface of the plugboard, a pneumatic block is slidably mounted in the chute, and an automatic telescopic pin is slidably mounted on the pneumatic block; and as disclosed in chinese patent CN213496057U, the auxiliary rail device for replacing the die of the bending machine comprises a steel piece, a guide rail groove is milled at the lower end of the steel piece, a strip guide rail is arranged in the guide rail groove, the die is suspended on the strip guide rail, the die is contacted with the strip guide rail through a guide auxiliary mechanism, the guide auxiliary mechanism comprises a mounting seat and balls, the balls are embedded in the mounting seat, and the balls protrude out of the mounting seat to be contacted with the die. According to the auxiliary rail device for replacing the die of the bending machine, the guide rail groove is milled at the lower end of the steel piece, the strip-shaped guide rails with the guide auxiliary mechanisms arranged on the three sides are additionally arranged in the guide rail groove, the die can be directly hung on the strip-shaped guide rails, the die can be abutted against the strip-shaped guide rails through the clamp and cannot fall off, and meanwhile, when the die is replaced, the die can roll left and right on the strip-shaped guide rails under the guide auxiliary effect of the guide auxiliary mechanisms, so that the friction force can be greatly reduced, the rolling is very easy, the operation is convenient and simple, and time and labor are not required;

In addition, chinese patent CN217251797U discloses an automatic replacing device for bending machine mould, including the portal frame, rectangular channel has been seted up to the upper end surface of portal frame, is connected with drive assembly and clamping mechanism on the portal frame respectively, and the lower extreme cover of portal frame is equipped with hollow slab, and the lower extreme fixedly connected with touch panel of hollow slab, one side fixed mounting on touch panel has the second pneumatic cylinder. According to the utility model, the clamping mechanism is arranged, so that the die can be better and automatically clamped in the period of needing to be replaced, the phenomenon of time and labor consumption caused by manual replacement is avoided, and the working efficiency of the bending machine is improved; the second hydraulic cylinder and the fixed block are arranged, so that the height of the whole portal frame can be well lifted, and the clamping mechanism can drive the die to move upwards after clamping is convenient; finally, by arranging the driving component, the clamping mechanism can drive the die to move in the horizontal position.

However, to the mould change auxiliary mechanism for bender that CN116251865A discloses, this auxiliary mechanism installs CNC triaxial platform including in the bender frame, and CNC triaxial platform's top slidable mounting has flexible arm, then changes bed die and last mould through flexible arm, and the structure is comparatively complicated, and the work piece of waiting to bend of especially the size is great, greatly influences the bending work of bender itself.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a replacement device for a multifunctional bending die, which has a simple and practical structure on the premise of not influencing the normal operation of a bending machine and can realize faster replacement of the multifunctional bending die.

Another object of the present utility model is to provide a bending machine having the above-mentioned replacement device for a multifunctional bending die.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model relates to a replacing device of a multifunctional bending die, which is of a detachable structure with the multifunctional bending die, and comprises:

the fixing rods are arranged on the upper die frame and extend outwards beyond the end parts of the two sides of the multifunctional bending die;

The connecting rod is arranged on the multifunctional bending die; the connecting rod extends outwards to be flush with the end face of the fixing rod in a vertical plane;

and the hoisting component can be matched with the fixing rod, and is sleeved with the connecting rod.

When the lifting device is used, the lifting part is sleeved with the fixing rod, then the linear electric hydraulic cylinder is started, and the linear electric hydraulic cylinder drives the upper die frame to move upwards, so that the lower die is lifted, and then the lower die is rotated to replace the other bending surface.

In one possible embodiment of the present utility model, the hoisting member is a chain, a wire rope or a nylon rope.

In one possible implementation manner of the utility model, the connecting rod is provided with a clamp, and the clamp can clamp the chain on the connecting rod, so that the chain is not easy to fall off.

In one possible embodiment of the utility model, a positioning ring is placed on the connecting rod, the positioning ring being a metal ring or a rigid plastic ring, the positioning ring being able to fix the chain on the connecting rod together with the clamping band.

In one possible embodiment of the present utility model, the connecting rod and the fixing rod are both made of metal alloy.

3. Advantageous effects

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

(1) According to the replacing device for the multifunctional bending die, the connecting rods and the hoisting parts are arranged on the two sides of the multifunctional bending die and are positioned outside the bending areas of the workbench and the upper die, so that the normal operation of the bending machine is not affected, and the replacing device for the multifunctional bending die is simple and practical in structure and can realize rapid replacement of the multifunctional bending die;

(2) According to the replacement device for the multifunctional bending die, the hoisting component is preferably a chain, and the metal chain has high strength and is not easy to break, so that the replacement device is safe and reliable to use;

(3) According to the replacing device of the multifunctional bending die, the clamping hoop is arranged on the connecting rod, and the clamping hoop can clamp the chain, the nylon rope or the steel wire rope on the connecting rod, so that the chain, the nylon rope or the steel wire rope cannot fall off easily.

Drawings

FIG. 1 is a schematic structural view of a replacing device of a multifunctional bending die of the utility model;

Fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is a schematic structural view of a multifunctional bending die of the present utility model;

FIG. 4 is a view showing the state of use of the replacement device for the multifunctional bending die of the present utility model;

in the figure:

10. bending the machine body; 11. a wallboard; 12. a work table; 13. a notch;

20. An upper bending die assembly; 21. a lifting mechanism; 211. a linear electro-hydraulic cylinder; 212. a guide rail plate; 213. a slide plate; 214. a clamping plate; 22. an upper die frame; 23. a bending die is arranged;

30. A lower bending die assembly; 31. multifunctional bending die; 32. replacing the device; 321. a fixed rod; 322. a connecting rod; 323. hoisting the component; 324. a clamp; 325. and a positioning ring.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model is further described below with reference to examples.

As shown in fig. 1 to 4, the bending machine in this embodiment includes a bending machine body 10, an upper bending die assembly 20, a lower bending die assembly 30, and a rear stop device fixed on the bending machine body 10, where the rear stop device does not relate to the design gist of the present utility model, and only needs to adopt a structure of the prior art.

Wherein, combine fig. 1, the organism 10 of bending include two wallboards 11 and connect the workstation 12 of two wallboards 11, the front end face of wallboard 11 is close to workstation 12 department and has seted up opening 13, back dam device sets up between two wallboards 11 for to bending the sheet material and fix a position, to some length or the great sheet material of bending of width, back dam device can be used for the bearing sheet material of bending.

The lower bending die assembly 30 and the upper bending die assembly 20 are oppositely arranged (located in the same vertical plane), a workpiece to be bent (such as a steel plate or a galvanized plate) passes through the space between the lower bending die assembly 30 and the upper bending die assembly 20, the lower bending die assembly 30 and the upper bending die assembly 20 are in press fit with each other, the bending of the workpiece to be bent can be realized, the top of the bending machine body 10 is provided with a lifting mechanism 21, and the lifting mechanism 21 is connected with the upper bending die assembly 20 and drives the upper bending die assembly 20 to move up and down.

In fig. 1, the upper bending die assembly 20 includes a lifting mechanism 21 and an upper die frame 22, two linear electric hydraulic cylinders 211 are symmetrically distributed on two sides of the bending machine body 10, two linear electric hydraulic cylinders 211 are fixedly installed on the top end of the workbench 12, the upper die frame 22 is fixedly installed at the driving end of the two linear electric hydraulic cylinders 211, an upper bending die 23 is clamped at the lower end of the upper die frame 22, and a fixing clamp is generally adopted, wherein the fixing clamp has a structure in the prior art.

Further, the lifting mechanism 21 includes a linear electric hydraulic cylinder 211, a clamping plate 214, a guide rail plate 212 and a sliding plate 213, the linear electric hydraulic cylinder 211 and the guide rail plate 212 are fixed on the bending machine body 10, the lower end of the linear electric hydraulic cylinder 211 is connected with the upper bending die assembly 20 and drives the upper bending die assembly 20 through the linear electric hydraulic cylinder 211, the clamping plate 214 is fixed with the upper die frame 22 of the upper bending die assembly 20, the sliding plate 213 is fixed on the guide rail plate 212, the clamping plate 214 is clamped with the guide rail plate 212, and the clamping plate 214 reciprocates up and down relatively along the surface of the sliding plate 213.

In some embodiments of the present utility model, the replacing device 32 and the multifunctional bending die 31 are detachable structures, and the detachable structures may be screw structures, or plug structures, as shown in fig. 2 and 3, the replacing device 32 includes a fixing rod 321 disposed on the upper die frame 22, and the fixing rod 321 extends outwards beyond two side ends of the multifunctional bending die 31; a connecting rod 322 provided on the multifunctional bending die 31; the connecting rod 322 extends outwards to be flush with the end surface of the fixed rod 321 in a vertical plane; and a lifting part 323 capable of being matched with the fixing rod 321, wherein the lifting part 323 is sleeved with the connecting rod 322. When the multifunctional bending die is used, the lifting part 323 is sleeved with the fixing rod 321, then the linear electric hydraulic cylinder 211 is started, the linear electric hydraulic cylinder 211 drives the upper die frame 22 to move upwards, so that the multifunctional bending die 31 is lifted, then the multifunctional bending die 31 is rotated to replace the other bending surface, and the multifunctional bending die is simple and practical in structure and capable of replacing the multifunctional bending die rapidly on the premise that the normal work of a bending machine is not affected.

In some embodiments of the present utility model, as shown in fig. 4, the hanging component 323 is a chain, a steel wire rope or a nylon rope, and in a normal working state, the hanging component 323 may be fixed on the connecting rod 322 in a winding manner.

Further, the lifting component 323 is preferably a chain, the metal chain has higher strength and is not easy to break, and the use is safe and reliable, at this time, the connecting rod 322 is provided with a clamp 324, the clamp 324 can clamp the chain, nylon rope or steel wire rope on the connecting rod 322, so that the chain, nylon rope or steel wire rope is not easy to fall off, and a positioning ring 325 can be sleeved on the connecting rod 322, the positioning ring 325 is a metal ring, a hard plastic ring or the like, the positioning ring 325 can fix the chain on the connecting rod 322 together with the clamp 324, and the positioning ring 325 plays a limiting role in the transverse direction.

Considering that the connecting rod 322 and the fixing rod 321 have certain use strength, the connecting rod 322 and the fixing rod 321 are made of metal alloy materials, such as S304 stainless steel.

The examples of the present utility model are merely for describing the preferred embodiments of the present utility model, and are not intended to limit the spirit and scope of the present utility model, and those skilled in the art should make various changes and modifications to the technical solution of the present utility model without departing from the spirit of the present utility model.

Claims

1. The utility model provides a change device of multi-functional mould of bending, the device is detachable construction with multi-functional mould (31) of bending, its characterized in that includes:

The fixing rods (321) are arranged on the upper die frame (22), and the fixing rods (321) extend outwards beyond the two side end parts of the multifunctional bending die (31);

A connecting rod (322) arranged on the multifunctional bending die (31); the connecting rod (322) extends outwards to be flush with the end surface of the fixed rod (321) in a vertical plane;

And a hoisting component (323) which can be matched with the fixed rod (321), wherein the hoisting component (323) is sleeved with the connecting rod (322).

2. The replacement device of a multifunctional bending die according to claim 1, characterized in that the hoisting member (323) is a chain, a wire rope or a nylon rope.

3. The device for replacing a multifunctional bending die according to claim 2, wherein a clamp (324) is arranged on the connecting rod (322).

4. A device for replacing a multifunctional bending die according to claim 3, characterized in that a positioning ring (325) is sleeved on the connecting rod (322), and the positioning ring (325) is a metal ring or a hard plastic ring.

5. The device for replacing a multifunctional bending die according to any one of claims 1 to 4, wherein the connecting rod (322) and the fixing rod (321) are both made of metal alloy.

6. Bending machine, characterized by having a replacement device (32) of a multifunctional bending die (31) according to any one of claims 1 to 5.