CN217192023U - Bending die - Google Patents
Bending die Download PDFInfo
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- CN217192023U CN217192023U CN202220280680.7U CN202220280680U CN217192023U CN 217192023 U CN217192023 U CN 217192023U CN 202220280680 U CN202220280680 U CN 202220280680U CN 217192023 U CN217192023 U CN 217192023U
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Abstract
The bending die of the utility model comprises a main die and a sliding die for bending the workpiece; bending parts are arranged at the lower ends of the main die and the sliding die, and a first inclined plane is arranged on the main die towards the workpiece; the sliding die slides and sets up on first inclined plane, the utility model discloses a sliding die is because under the effect of dead weight, along the inclination direction lapse and the master mode dislocation on first inclined plane, and then make the combination width of the portion of bending of master mode and sliding die lower extreme on the horizontal direction diminish, in enclosed construction's work piece is bent and is used, because the combination width of multiunit portion of bending diminishes, make the portion of bending stretch into in the work piece and arrive treat the face of bending on and carry out the width expansion and match the width of treating the face of bending, after the completion of bending, because the whole of master mode shifts up, the sliding die slides the dislocation with the master mode under the effect of dead weight, make the combination width of the portion of bending diminish once more, outside the mould can withdraw from the work piece smoothly, there is the problem of interference when having solved enclosed construction's work piece and bending.
Description
Technical Field
The utility model relates to a technical field of bending, concretely relates to mould of bending.
Background
The bending die is a tool for forming and processing the plate by the bending machine, the tool is composed of various parts, different dies have different structural characteristics, and even if the same product can be processed by different bending dies, the bending efficiency and the product quality are different.
On urban rail transit vehicle, there are a large amount of electric appliance cabinet bodies, door plant, transition wind channel, branch box etc. the piece of bending, this type of product has a common characteristic, and the product design is trilateral or the four sides enclosed construction that bends, and conventional mould has following problem when bending to enclosed construction's product: 1. the left side and the right side of the workpiece with the closed structure are bent and formed, so that the opening width of the workpiece is smaller than the width of a surface to be bent, and the problems that the bent part of the die cannot extend into the workpiece and reach the surface to be bent and cannot smoothly exit from the workpiece after the bending is finished are caused; 2. make it stretch into in the work piece through the width that reduces the portion of bending among the prior art, nevertheless this kind of mode makes the portion of bending can not match the width of waiting to bend the face, causes the poor problem of quality of bending.
In summary, a bending die is urgently needed to solve the problems of interference and inconvenient operation during bending of the sealing structure in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mould of bending to there is the problem of interference and inconvenient operation when solving among the prior art enclosed construction and bending, concrete technical scheme is as follows:
a bending die comprises a main die and a sliding die; bending parts for bending the workpiece are arranged at the lower ends of the main die and the sliding die; the bending part at the lower end of the sliding die is arranged in a protruding manner outwards in the width direction of the die; the main die is provided with a first inclined surface facing the workpiece; the sliding die is arranged on the first inclined surface in a sliding mode, and the sliding die slides in the inclination direction of the first inclined surface to adjust the overall combined width of the multiple groups of bending parts.
The preferable technical scheme comprises two groups of sliding dies which are symmetrically arranged relative to the main die; and two sides of the main mold in the horizontal direction are respectively provided with a first inclined plane which corresponds to the sliding molds one by one.
Above technical scheme is preferred, be equipped with the second inclined plane that matches with first inclined plane inclination on the sliding die, sliding contact between first inclined plane and the second inclined plane.
Above technical scheme is preferred, realize sliding connection through the cooperation of guide rail and spout between first inclined plane and the second inclined plane.
Preferably, in the above technical solution, the bending portion is detachably disposed at the lower end of the main mold or the sliding mold.
Preferably, in the above technical scheme, the bending part is provided with a T-shaped bulge; and a T-shaped through groove clamped with the T-shaped protrusion is formed at the lower end of the main die or the sliding die.
Preferably, in the above technical scheme, the main die is provided with a limiting portion, the limiting portion abuts against the sliding die and is used for limiting the bending portions of the main die and the sliding die to be located on the same straight line.
Preferably, the main die is provided with a guide rod; the sliding die is provided with a guide hole in sliding fit with the guide rod; the axial direction of the guide rod is the same as the gradient direction of the first inclined surface.
Preferably, an elastic piece is arranged between the main die and the sliding die, and the stretching direction of the elastic piece is consistent with the axial direction of the guide rod.
Preferably, the master mold includes a left mold, a middle mold and a right mold; the left die, the middle die and the right die are sequentially detachably connected to form a main die.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the bending die of the utility model comprises a main die and a sliding die for bending the workpiece; bending parts are arranged at the lower ends of the main die and the sliding die, and a first inclined plane is arranged on the main die towards the workpiece; the sliding die slides and sets up on first inclined plane, the utility model discloses a set up first inclined plane, make the sliding die because under the effect of dead weight, the inclination direction lapse and the master mode dislocation along first inclined plane, and then make the master mode and the combination width of the portion of bending of sliding die lower extreme on the horizontal direction diminish, in the work piece application of bending of enclosed construction, because the combination width of multiunit portion of bending diminishes, make the portion of bending can stretch into in the work piece and arrive treat the face of bending on and carry out the width expansion and mate the width of treating the face of bending, after the completion of bending, because the whole of master mode shifts up, the sliding die slides the dislocation with the master mode under the effect of dead weight, make the combination width of the portion of bending diminish once more, outside the mould can withdraw from the work piece smoothly, there is the problem of interference when having solved the work piece of enclosed construction and bending.
(2) The utility model discloses a two sets of sliding die that the symmetry set up for the length of the portion of bending can match the width of the face of waiting to bend.
(3) The sliding die can adjust the combined width of a plurality of groups of bending parts to the maximum extent through the matching of the first inclined plane and the second inclined plane, thereby being suitable for the condition that the opening width of a workpiece is far less than the width of a surface to be bent; the preferred cooperation through guide rail and spout can guarantee that the sliding die motion in-process is the straight line, improves the precision of bending.
(4) The bending part of the utility model can be disassembled to be convenient for replacing the bending parts with different shapes and specifications according to the actual bending requirement; the utility model discloses a cooperation that the groove was led to T shape arch and T shape is realized dismantling the connection, and lubricating grease is all smeared between groove fitting surface and first inclined plane and the second inclined plane is led to T shape arch and T shape, guarantees that the motion is steady, the friction does not have the extraneous sound for a short time to can dismantle fast and assemble.
(5) The utility model discloses a spacing portion can provide the support for the sliding die when bending, guarantees simultaneously that the bending portion of fundamental mode and sliding die lower extreme is in on the same straight line, guarantees the effect of bending.
(6) The guide rod of the utility model is used for ensuring the stability of the sliding die during sliding; the elastic piece is convenient for giving the downward thrust of sliding die for the sliding die of left and right sides can be drawn in to the centre under the effect of elasticity and dead weight.
(7) The utility model discloses a left mould, middle mould and right mould can dismantle in proper order along the horizontal direction and connect the formation master mould, the utility model discloses a split type design is adopted to the master mould, can select and assemble according to operating condition.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.
In the drawings:
FIG. 1 is a schematic view of the bending die of this embodiment when ejecting the workpiece (F) 1 Indicating the direction of movement of the master model, F 2 Indicating the sliding die movement direction);
FIG. 2 is an exploded view of the bending die of FIG. 1;
FIG. 3 is a schematic view of the bending die of FIG. 1 after bending a workpiece;
FIG. 4 is a side view of FIG. 3;
wherein, 1, a master mould; 1.a, a first inclined plane; 1.1, a left die; 1.2, an intermediate die; 1.3, a right die; 2. sliding the mold; 2.a, a second inclined plane; 3. a bending part; 4. a guide rail; 5. a chute; 6. a limiting part; 7. a guide bar; 8. a guide hole; 9. an elastic member; 10. a limiting block; 11. a workpiece; l is 1 The integral combination width of the bending part; l is 2 The opening width of the workpiece; l is 3 And the width of the surface to be bent.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a bending die includes a main die 1 and a sliding die 2 for bending a workpiece 11, as shown in fig. 1 to 4, specifically as follows:
as shown in fig. 1 and 2, the left and right sides of the main die 1 are respectively provided with a first inclined surface 1.a, the first inclined surfaces 1.a are arranged towards the workpiece 11, the two sets of sliding dies 2 are respectively arranged on the two sets of first inclined surfaces 1.a in a sliding manner, the sliding dies 2 can slide in the inclination direction of the first inclined surfaces 1.a, the lower ends of the main die 1 and the sliding dies 2 are respectively provided with bending portions 3 for bending the workpiece 11, and the sliding dies 2 slide to adjust the overall combination width L of the bending portions 1 。
As shown in fig. 1, the total combined width L of the bent portions 1 The overall combined width of the bending portions 3 arranged at the lower ends of the main die 1 and the sliding die 2 in the horizontal direction, i.e. the overall combined length of the multiple groups of bending portions 3 on the horizontal projection plane, is provided.
As shown in fig. 2, the main mold 1 of this embodiment may be integrally formed, or may be split, and the main mold 1 of this embodiment is preferably designed in a split manner, specifically: the main die 1 comprises a left die 1.1, a middle die 1.2 and a right die 1.3, wherein the left die 1.1 and the right die 1.3 are respectively detachably connected to the two horizontal sides of the middle die 1.2; the specifications and the shapes of the left die 1.1 and the right die 1.3 are consistent, and the shape of the middle die 1.2 is rectangular. The left die 1.1, the middle die 1.2 and the right die 1.3 of the present embodiment can be detachably connected in a manner such as bolt connection, clamping groove and clamping block connection or magnetic connection.
As shown in fig. 2, two sets of first slopes 1.a are respectively disposed on the left side of the left mold 1.1 and the right side of the right mold 1.3, and the two sets of first slopes 1.a are symmetrically disposed with respect to the middle mold 1.2. The slope of the first ramp 1.a is chosen according to the actual situation.
Preferably, the upper ends of the left die 1.1, the middle die 1.2 and the right die 1.3 are respectively provided with a connecting part connected with an external bending machine, so that the bending machine can drive the main die 1 and the sliding die 2 to move downwards, and the bending part 3 can bend the workpiece 11.
As shown in fig. 1 and 2, two side surfaces of the sliding die 2 in the horizontal direction are a second inclined surface 2.a and a vertical surface, respectively, and the second inclined surface 2.a and the first inclined surface 1.a are in sliding contact, specifically: the second inclined surface 2.a is provided with a sliding groove 5 (preferably a dovetail groove), the first inclined surface 1.a is provided with a guide rail 4, the length direction of the guide rail 4 is consistent with the inclination direction of the first inclined surface 1.a, the guide rail 4 is arranged in the sliding groove 5, and the guide rail 4 and the sliding groove 5 can slide relatively in the inclination direction of the first inclined surface 1. a. Preferably, the first bevel 1.a and the second bevel 2.a have the same slope, length and specification.
As shown in fig. 2, the lower ends of the main die 1 (i.e. the left die 1.1, the middle die 1.2, and the right die 1.3) and the sliding die 2 are provided with bending portions 3 for bending the workpiece 11, the bending portions 3 are horizontally and detachably disposed at the lower end of the main die 1 or the sliding die 2, and the bending portions 3 of the present embodiment refer to the prior art. The preferable mode that the bending part 3 is horizontally and detachably arranged on the main die 1 or the sliding die 2 is as follows: the lower extreme of fundamental mode 1 or sliding die 2 is equipped with the logical groove of T shape (lead to the groove and offer along mould width direction), and the upper end of the portion of bending 3 is provided with the T that leads to the groove and match with T shape and appears protrudingly, and when the portion of bending 3 need assemble, the protruding block that follows mould width direction (horizontal direction promptly) of T shape gets into the logical inslot of T shape to the realization portion of bending 3 stabilizes at the lower extreme of fundamental mode 1 or sliding die 2. In addition, the bent portion 3 of the present embodiment may be integrally formed with the main mold 1 or the slide mold 2, and is schematically illustrated as being integrally formed in fig. 2.
As shown in fig. 1 and 2, the bending portion 3 provided at the lower end of the sliding die 2 is provided in a protruding manner in the die width direction with respect to the vertical surface (i.e., one side surface in the horizontal direction) of the sliding die 2, and the protruding length is selected according to the actual situation.
As shown in fig. 2 and fig. 3, all be provided with the spacing portion 6 that can be inconsistent with the sliding die 2 up end on left mould 1.1 and the right mould 1.3, spacing portion 6 is contradicted sliding die 2 when being used for bending to provide the support for sliding die 2, specifically be: spacing portion 6 is a conflict plane, when work piece 11 need be bent, because the mould wholly moves down under the drive of bender, slip mould 2 takes place to slide the dislocation with master mould 1 in the inclination direction of first inclined plane 1.a (the lower extreme of slip mould 2 and the face of waiting to bend of work piece 11 this moment are inconsistent), when the up end of slip mould 2 was inconsistent with spacing portion 6, master mould 1 and the portion of bending 3 of the 2 lower extreme of slip mould are located same horizontal straight line, and the horizontal clearance of the adjacent two sets of end surfaces of portion of bending 3 of level is not more than 3mm, guarantee the effect of bending, then move down through the bender drive mould, and then make the portion of bending 3 that is located same straight line wait to bend the face of bending to work piece 11.
Preferably, as shown in fig. 2, the lower end of the guide rail 4 is further provided with a limiting block 10, and the limiting block 10 can abut against the lower end surface of the sliding chute 5, so as to prevent the sliding mold 2 from sliding downwards without limitation.
Preferably, as shown in fig. 2, the present embodiment further includes a guide rod 7 and an elastic member 9 (e.g., a spring); the group of guide rods 7 and the group of elastic members 9 of the present embodiment correspond to the group of sliding dies 2, and the guide rods 7 and the elastic members 9 are used for guiding the sliding dies 2 and providing downward elastic force to the sliding dies 2, specifically: one end of the guide rod 7 is in threaded connection with the limiting part 6 of the left die 1.1 or the right die 1.3, and the axial direction of the guide rod 7 is consistent with the inclination direction of the first inclined plane 1. a; the sliding die 2 is provided with a guide hole 8 along the axial direction of the guide rod 7, and the guide rod 7 is inserted into the guide hole 8, so that the sliding die 2 is guided when sliding on the first inclined surface 1. a; elastic component 9 cover is established on guide bar 7, and elastic component 9's flexible direction is unanimous with guide bar 7's axial, is equipped with the step portion of installation elastic component 9 in the guiding hole 8, and elastic component 9's both ends are contradicted with step portion and spacing portion 6 respectively.
The bending die of the embodiment has good applicability to the workpiece 11 of the closed structure, and the bending die of the embodiment is applicable to one condition of the workpiece 11 of the closed structure as follows:
the workpiece 11 with the closed structure of the embodiment is shown in fig. 3, and the workpiece 11 with the closed structure is formed by bending the left side and the right side of the workpiece so that the opening width L of the workpiece is formed 2 Is less than the width L of the surface to be bent 3 And the bending part 3 can not extend into the workpiece 11 to bend the surface to be bent, and the bending die of the embodiment can adapt to the working condition to bendThe bending process is as follows:
firstly, selecting proper left die 1.1, right die 1.3 and middle die 1.2 according to actual conditions, connecting the left die 1.1, the right die 1.3 and the middle die 1.2 to form a main die 1, and locking the left die 1.1, the right die 1.3 and the middle die 1.2 on a bending machine through a connecting part arranged at the upper end of the left die 1, the right die 1.3 and the middle die 1.2;
secondly, two groups of sliding dies 2 are correspondingly arranged on the first inclined surfaces 1.a of the left die 1.1 and the right die 1.3 respectively, bending parts 3 are selected according to bending parameters, and a plurality of groups of bending parts 3 with consistent shapes are arranged at the lower ends of the left die 1.1, the middle die 1.2, the right die 1.3 and the sliding dies 2 respectively;
thirdly, the bending machine drives the main die 1 and the sliding dies 2 to lift upwards, and the two groups of sliding dies 2 are folded from two ends to the middle under the action of dead weight and the elastic piece 9, so that the whole combination width L of the bending parts is enabled to be more than one 1 The size is reduced;
fourthly, the workpiece 11 to be bent is placed on the worktable, the main die 1 starts to descend, and the whole combination width L of the bending part 1 The bending die is reduced so that the bending die can extend into the workpiece 11 from the opening of the workpiece 11 and is abutted against the surface to be bent of the workpiece 11; as the main mold 1 continues to descend, the sliding mold 2 and the main mold 1 slide relatively in the inclination direction of the first inclined surface 1.a (the two sets of sliding molds 2 slide slowly toward the horizontal both ends), and at this time, the entire combined width L of the bent portion 1 Gradually expands to match the width L of the surface to be bent 3 ；
Fifthly, as shown in fig. 3 and 4, when the limiting part 6 of the main die 1 abuts against the upper end surface of the sliding die 2, the main die 1 and the bending part 3 at the lower end of the sliding die 2 are located on the same horizontal straight line, and the whole combination width L of the bending part at this time 1 At the maximum, under the action of the bending machine, the main die 1 and the sliding die 2 drive the bending part 3 to bend the workpiece 11 downwards;
sixthly, after the bending is finished, the die is withdrawn, as shown in fig. 1, specifically: the main die 1 is slowly lifted, under the action of the elastic piece 9 and gravity, the two groups of sliding dies 2 are folded from two ends to the middle, and the integral combination width L of the bending part is at the moment 1 Gradually becomes smaller, so that the die can smoothly follow the workpieceThe opening of the sliding die 2 and the bending part 3 at the lower end of the sliding die are withdrawn, and the withdrawing is finished when the sliding die 2 and the bending part 3 at the lower end of the sliding die are higher than the upper surface of a product.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The bending die is characterized by comprising a main die (1) and a sliding die (2); the lower ends of the main die (1) and the sliding die (2) are respectively provided with a bending part (3) for bending a workpiece (11); the bending part (3) at the lower end of the sliding die (2) is arranged in a protruding manner outwards in the width direction of the die; the main die (1) is provided with a first inclined surface (1.a) facing the workpiece (11); the sliding die (2) is arranged on the first inclined surface (1.a) in a sliding manner, and the sliding die (2) slides in the inclination direction of the first inclined surface (1.a) so as to adjust the integral combination width (L) of the multiple groups of bending parts 1 )。
2. The bending die according to claim 1, comprising two sets of sliding dies (2) arranged symmetrically with respect to the main die (1); and two sides of the main die (1) in the horizontal direction are respectively provided with a first inclined plane (1.a) which corresponds to the sliding dies (2) one by one.
3. Bending die according to claim 1, characterized in that the sliding die (2) is provided with a second bevel (2.a) having a slope matching the first bevel (1.a), and the first bevel (1.a) and the second bevel (2.a) are in sliding contact with each other.
4. Bending die according to claim 3, wherein the first bevel (1.a) and the second bevel (2.a) are slidably connected by the cooperation of the guide rail (4) and the sliding groove (5).
5. Bending die according to any one of claims 1-4, characterised in that the bending part (3) is arranged detachably at the lower end of the main die (1) or the sliding die (2).
6. The bending die according to claim 5, wherein T-shaped bulges are arranged on the bending parts (3); and a T-shaped through groove clamped with the T-shaped protrusion is formed at the lower end of the main mold (1) or the sliding mold (2).
7. Bending die according to claim 5, wherein a limiting part (6) is arranged on the main die (1), the limiting part (6) is abutted against the sliding die (2) for limiting the bending parts (3) of the main die (1) and the sliding die (2) to be positioned on the same straight line.
8. Bending die according to claim 1, characterised in that the main die (1) is provided with a guide bar (7); the sliding die (2) is provided with a guide hole (8) which is in sliding fit with the guide rod (7); the axial direction of the guide rod (7) is the same as the gradient direction of the first inclined surface (1. a).
9. Bending die according to claim 1, wherein an elastic member (9) is arranged between the main die (1) and the sliding die (2), and the extension direction of the elastic member (9) is axially consistent with the guide rod (7).
10. Bending die according to claim 1, characterised in that the main die (1) comprises a left die (1.1), an intermediate die (1.2) and a right die (1.3); the left die (1.1), the middle die (1.2) and the right die (1.3) are sequentially detachably connected to form the main die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280680.7U CN217192023U (en) | 2022-02-11 | 2022-02-11 | Bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280680.7U CN217192023U (en) | 2022-02-11 | 2022-02-11 | Bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217192023U true CN217192023U (en) | 2022-08-16 |
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ID=82796385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220280680.7U Active CN217192023U (en) | 2022-02-11 | 2022-02-11 | Bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217192023U (en) |
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2022
- 2022-02-11 CN CN202220280680.7U patent/CN217192023U/en active Active
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