CN210754693U

CN210754693U - Bending machine die

Info

Publication number: CN210754693U
Application number: CN201921655494.1U
Authority: CN
Inventors: 南足刚; 韦海勃; 杨明
Original assignee: FANGCHENGGANG ZHONGYI HEAVY INDUSTRY CO LTD; China First Metallurgical Group Co Ltd
Current assignee: FANGCHENGGANG ZHONGYI HEAVY INDUSTRY CO LTD; China First Metallurgical Group Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-16
Anticipated expiration: 2029-09-30

Abstract

A bending machine die relates to the technical field of bending devices. The bending machine die comprises an upper die and a lower die, wherein the upper die comprises a main die head and side die heads respectively arranged on two sides of the main die head, the bottoms of the side die heads are hinged with the bottom of the main die head, the main die head is also connected with a pressure rod capable of moving along the vertical direction, and the pressure rod is configured to drive the two side die heads to rotate towards or away from the main die head when moving along the vertical direction; the lower die is arranged below the upper die and is provided with a die cavity corresponding to the main die head and the two side die heads. The application provides a bender mould can the person of facilitating the use will go up the mould and bend the panel separation after handling, and the die head of avoiding going up the mould dies with the panel card of bending.

Description

Bending machine die

Technical Field

The application relates to the technical field of bending devices, in particular to a bending machine die.

Background

A bending machine is a commonly used plate processing device, which is widely used in various fields of machining. The mould of bending is the important component of bender, and present mould of bending mostly includes the lower mould of a bellied last mould and the mould below of locating on the lower mould, is equipped with opening or die cavity on the lower mould, goes up the mould and extrudees the panel of placing on the lower mould downwards and makes partly entering opening or die cavity of panel to the both sides that make panel be located opening or die cavity are buckled for opening or die cavity.

But when present current mould of bending used, its both sides often can block with the bulge of last mould when panel buckles back, lead to panel to be difficult to with last mould separation, need the operation personnel to strike panel with the hammer and just can separate, influence the quality of buckling of panel and reduced the operating efficiency, are difficult to satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a bender mould, its can be quick with last mould with bend the panel separation after handling, avoid going up the die head of mould and bend the panel card and die.

The embodiment of the application is realized as follows:

the embodiment of the application provides a bender mould, it includes:

the upper die comprises a main die head and side die heads respectively arranged on two sides of the main die head, the bottoms of the side die heads are hinged with the bottom of the main die head, the main die head is also connected with a pressure rod capable of moving along the vertical direction, and the pressure rod is configured to drive the two side die heads to rotate towards or away from the main die head when moving along the vertical direction;

the lower die is arranged below the upper die and provided with die grooves corresponding to the main die head and the two side die heads.

In some optional embodiments, a pressure bar groove extending in the vertical direction is formed in the top of the main die head, the pressure bar is movably inserted into the pressure bar groove and is hinged to two connecting rods, each connecting rod is hinged to one side die head, the two sides of the main die head are respectively provided with a side opening communicated with the pressure bar groove, and the pressure bar drives the two side die heads to rotate and be accommodated in or separated from the two side openings when moving along the pressure bar groove.

In some optional embodiments, the upper die is connected with an adjusting oil cylinder, and an oil cylinder rod of the adjusting oil cylinder is vertically arranged and connected with the pressure rod.

In some alternative embodiments, the pressure rod is connected with the upper die through threads, and the pressure rod is connected with a rotating wheel.

In some optional embodiments, the lower die comprises a left lower die and a right lower die which can move towards or away from each other, an elastic piece is connected between the left lower die and the right lower die, a left gap is arranged at the top of the left lower die, and a right gap is arranged at the top of the right lower die; the left notch and the right notch are matched to form a die cavity.

In some optional embodiments, the adjacent sides of the left lower die and the right lower die are respectively provided with a connecting groove, and the elastic element is a spring with two ends respectively connected with the inner walls of the two connecting grooves.

In some alternative embodiments, the upper die is removably attached to a die holder by at least one retaining bolt.

In some optional embodiments, the die holder is provided with a clamping groove, and the upper die is provided with a clamping block clamped with the clamping groove.

In some optional embodiments, a pressing plate is further arranged on one side of the fixture block, which is far away from the die holder, and the fixing bolt sequentially penetrates through the pressing plate, the fixture block and the die holder.

The beneficial effect of this application is: the bending machine die comprises an upper die and a lower die, wherein the upper die comprises a main die head and side die heads respectively arranged on two sides of the main die head, the bottoms of the side die heads are hinged with the bottom of the main die head, the main die head is also connected with a pressure rod capable of moving along the vertical direction, and the pressure rod is configured to drive the two side die heads to rotate towards or away from the main die head when moving along the vertical direction; the lower die is arranged below the upper die and is provided with a die cavity corresponding to the main die head and the two side die heads. The application provides a bender mould can the person of facilitating the use will go up the mould and bend the panel separation after handling, and the die head of avoiding going up the mould dies with the panel card of bending.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a cross-sectional view of a bender die provided in example 1 of the present application;

fig. 2 is a cross-sectional view of a bender die as provided in example 2 of the present application;

fig. 3 is a cross-sectional view of a bender die as provided in example 3 of the present application;

fig. 4 is a cross-sectional view of a bender die as provided in example 4 of the present application.

In the figure: 100. an upper die; 101. a clamping block; 110. a main die head; 111. a pressure bar groove; 112. a side opening; 113. a rotating shaft; 120. a side die head; 130. a pressure lever; 131. a connecting shaft; 132. connecting columns; 140. a connecting rod; 150. adjusting the oil cylinder; 160. a rotating wheel; 170. a die holder; 171. a card slot; 180. fixing the bolt; 190. pressing a plate; 200. a lower die; 210. a die cavity; 220. a left lower die; 221. a left notch; 230. a right lower die; 231. a right notch; 240. a spring; 250. and connecting the grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and performance of the bender die of the present application are described in further detail below with reference to examples.

Example 1

As shown in fig. 1, an embodiment of the present application provides a bending machine mold, which includes an upper mold 100 and a lower mold 200 disposed below the upper mold 100, where the upper mold 100 includes a main mold head 110 and side mold heads 120 respectively disposed at two sides of the main mold head 110, and the bottom of each side mold head 120 is hinged to the bottom of the main mold head 110, where the top of the main mold head 110 is provided with a strut groove 111 disposed along a vertical direction, two sides of the main mold head 110 are respectively provided with a lateral opening 112 communicated with the strut groove 111, the bottom of the main mold head 110 is connected to a rotatable rotating shaft 113 penetrating through the strut groove 111, the bottom of each side mold head 120 is sleeved on the rotating shaft 113 through the lateral opening 112, the main mold head 110 is further connected to a strut 130 inserted into the strut groove 111 and movable along the strut groove 111, the strut 130 is connected to the upper mold 100 through a thread, one end of the strut 130 extending out of the upper mold 100 is connected to a rotating wheel 160, one end of the strut, the connecting shaft 131 is connected with a connecting column 132 which is coaxially arranged, the connecting column 132 is hinged with two connecting rods 140, and each connecting rod 140 is hinged with one side die head 120; when the press rod 130 moves along the press rod groove 111, the two side die heads 120 are driven to move towards or away from each other so as to be accommodated in or separated from the two side openings 112; the lower die 200 is formed with a cavity 210 corresponding to the main die 110 and the two side dies 120, and the cross section of the cavity 210 is an isosceles triangle with the bottom side.

When the bending machine die provided by the embodiment of the application is used, a steel plate to be bent is placed on the lower die 200, the upper die 100 is controlled to move downwards, the main die head 110 and the two side die heads 120 respectively arranged at the two sides of the main die head 110 are used for pressing against the steel plate, so that the part, above the die cavity 210, of the steel plate is stressed to bend downwards and enter the die cavity 210, the steel plate on the lower die 200 is subjected to extrusion bending processing by using the extrusion action of the main die head 110 and the two side die heads 120 and matching with the die cavity 210, after the steel plate is extruded by the main die head 110 and the two side die heads 120 and bent to a required angle, in order to avoid that the two sides of the steel plate are stuck with the main die head 110 and the two side die heads 120 and cannot take down the steel plate, after the bending is finished, an operator can rotate the rotating wheel 160 to drive the pressing rod 130 to move upwards relative to the upper die 100, and the two side dies 120 are rotated in the direction of approaching each other and accommodated in the two side openings 112 formed at both sides of the main die 110, thereby forming a gap and separating the main die head 110 and the bent steel plate, facilitating the operators to take off the bent steel plate, effectively avoiding the bent steel plate from being locked with the upper die 100, after separating the bent steel plate, the operator may rotate the rotating wheel 160 in the reverse direction to drive the pressing rod 130 to move downward relative to the upper mold 100, thereby driving the two connecting rods 140 connected with the pressing rod 130 to rotate reversely to drive the two side die heads 120 to rotate relative to the main die head 110, and the two side dies 120 are rotated away from each other and are ejected from the two side openings 112 formed at both sides of the main die 110, thereby restoring to the initial state, and at this time, the main die head 110 and the two side die heads 120 respectively arranged at the two sides of the main die head 110 can be reused to cooperate and press the steel plate for bending operation.

Example 2

As shown in fig. 2, the present embodiment provides a bending machine die, which has substantially the same structure as the bending machine die provided in embodiment 1, except that a rotating wheel 160 is not provided in the bending machine die provided in the present embodiment, but an adjusting cylinder 150 connected to an upper die 100 is provided, and a cylinder rod of the adjusting cylinder 150 is vertically arranged and connected to a pressing rod 130.

The bending machine die provided by the embodiment of the application is provided with the adjusting oil cylinder 150 connected with the upper die 100, and an operator can control the oil cylinder rod of the adjusting oil cylinder 150 to stretch out or retract, so that the two side die heads 120 can be conveniently adjusted to rotate relative to the main die head 110, the two side die heads 120 are matched with the main die head 110 to operate when a steel plate is extruded and bent, and the two side die heads 120 are accommodated in the main die head 110 to avoid being blocked when the upper die 100 and the bent steel plate are separated.

Example 3

As shown in fig. 3, an embodiment of the present application provides a bending machine die, which has substantially the same structure as the bending machine die provided in embodiment 1, except that the lower die 200 includes a left lower die 220 and a right lower die 230 that are movable toward and away from each other, an elastic member is connected between the left lower die 220 and the right lower die 230, a left notch 221 is formed at the top of the left lower die 220, and a right notch 231 is formed at the top of the right lower die 230; the left notch 221 and the right notch 231 are matched to form a mold cavity 210, one adjacent sides of the left lower mold 220 and the right lower mold 230 are respectively provided with a connecting groove 250, and the elastic element is a spring 240 with two ends respectively connected with the inner walls of the two connecting grooves 250.

The bending machine die provided by the embodiment of the application can be matched with the left lower die 220 and the right lower die 230 which are close to or far away from each other and move reversely to serve as the lower die 200, when the upper mold 100 moves downward to press the steel plates placed on the left and right lower molds 220 and 230 to be bent, the pressing force can drive the left lower mold 220 and the right lower mold 230 to move away from each other, a space is formed between the left and right lower molds 220 and 230, and the spring 240 having both ends respectively coupled to the coupling grooves 250 of the left and right lower molds 220 and 230 is stretched, so that the bent steel plate further enters the gap between the left lower die 220 and the right lower die 230 after entering the die cavity 210, so as to perform sufficient extrusion bending work on the steel plate, and after the extrusion bending work is completed, the left lower die 220 and the right lower die 230 are driven to move and return in the direction of approaching each other by the restoring force of the spring 240, so as to push the bent steel plate to be separated from the left lower die 220 and the right lower die 230, thereby realizing the demolding process.

Example 4

As shown in fig. 4, an embodiment of the present application provides a bending machine die, which has substantially the same structure as the bending machine die provided in embodiment 2, and the difference is that an upper die 100 is detachably connected to a die holder 170 through two fixing bolts 180, the die holder 170 is provided with a clamping groove 171, the upper die 100 is provided with a clamping block 101 clamped with the clamping groove 171, one side of the clamping block 101 away from the die holder 170 is further provided with a pressing plate 190, and the fixing bolts 180 sequentially penetrate through the pressing plate 190, the clamping block 101 and the die holder 170 to detachably connect the three together.

The bender mould that this application embodiment provided fixes last mould 100 through setting up die holder 170, and go up and still connect through fixing bolt 180 when mould 100 and die holder 170 are connected through fixture block 101 and draw-in groove 171 joint, it receives the stress dispersion when waiting the steel sheet of buckling to guarantee to go up the mould 100 downstream extrusion, the life of mould 100 is gone up in the extension, and make things convenient for the operation personnel to dismantle and go up mould 100 and maintain, fix through clamp plate 190 and die holder 170 cooperation fixing bolt 180 in addition, can guarantee the stability when going up mould 100 and going up and down, guarantee the stability of the operation of buckling and go on.

In some alternative embodiments, the plunger 130 may be further configured to move along the plunger slot 111 to drive the two side dies 120 to move toward or away from each other, so that the two side dies 120 only fit on or away from two sides of the main die 110, and the two side dies 120 do not enter the side openings 112 formed on two sides of the main die 110, and the position of the side dies 120 can be adjusted to separate the upper die 100 from the bent steel plate.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims

1. A bender mold, comprising:

the lower die is arranged below the upper die, and the lower die is provided with die cavities corresponding to the main die head and the two side die heads.

2. The bending machine die according to claim 1, wherein a pressure bar groove extending in the vertical direction is formed in the top of the main die head, the pressure bar is movably inserted into the pressure bar groove and is hinged to two connecting rods, each connecting rod is hinged to one side die head, side openings communicated with the pressure bar groove are formed in two sides of the main die head respectively, and the pressure bar drives the two side die heads to rotate and be accommodated in or separated from the two side openings when moving along the pressure bar groove.

3. The bending machine die according to claim 2, wherein the upper die is connected with an adjusting oil cylinder, and an oil cylinder rod of the adjusting oil cylinder is vertically arranged and connected with the pressure rod.

4. The bending machine die according to claim 2, wherein the pressure bar is in threaded connection with the upper die, and the pressure bar is connected with a rotating wheel.

5. The bending machine die according to claim 1, wherein the lower die comprises a left lower die and a right lower die which can move towards or away from each other, an elastic piece is connected between the left lower die and the right lower die, a left gap is formed in the top of the left lower die, and a right gap is formed in the top of the right lower die; the left notch and the right notch are matched to form the die cavity.

6. The bending machine die according to claim 5, wherein adjacent sides of the left lower die and the right lower die are respectively provided with a connecting groove, and the elastic member is a spring with two ends respectively connected with the inner walls of the two connecting grooves.

7. The bender die according to claim 1, wherein said upper die is removably attached to a die holder by at least one retaining bolt.

8. The bending machine die according to claim 7, wherein the die holder is provided with a clamping groove, and the upper die is provided with a clamping block clamped with the clamping groove.

9. The bending machine die according to claim 8, wherein a pressing plate is further arranged on one side of the fixture block away from the die holder, and the fixing bolt sequentially penetrates through the pressing plate, the fixture block and the die holder.