CN115889582A - Mold structure - Google Patents

Abstract

The invention relates to the technical field of forming processing, and discloses a die structure which comprises an upper die, a lower die, a cutting assembly, a bending assembly and a riveting assembly, wherein the cutting assembly is arranged on the upper die and/or the lower die and used for die cutting of a workpiece plate so as to cut off connection between the workpiece plate and a workpiece, the bending assembly comprises a pressing assembly and a supporting assembly which are arranged in a staggered mode, the pressing assembly is arranged on the upper die, the supporting assembly is arranged on the lower die and used for supporting the workpiece, when the upper die and the lower die are assembled, the pressing assembly and the supporting assembly are in staggered fit so as to bend the die-cut workpiece, the riveting assembly is arranged between the upper die and the lower die, and the riveting assembly is used for riveting the bent workpiece. Through the mould closing process of the upper mould and the lower mould of the mould structure, the operations of die cutting, bending and riveting at the joint of the workpiece and the workpiece plate are realized in one step, the processes are reduced, the mould cost is saved, the production efficiency is improved, and the product cost is reduced.

Description

Mold structure

Technical Field

The invention relates to the technical field of forming processing, in particular to a die structure.

Background

The existing box-shaped bent edge riveting workpiece needs to be separated from a workpiece material plate firstly after a part is formed, then the workpiece is bent by using a bending machine, and then the workpiece is riveted by using riveting equipment, so that multiple equipment is needed in the processing process of the workpiece, multiple processes are included, the process is complex, and the production cost is increased; and the riveting process has the advantages of multiple purposes of manpower and low production efficiency. Therefore, it is desirable to provide a mold structure to solve the above problems.

Disclosure of Invention

The invention aims to provide a die structure, which solves the technical problems that various devices are needed in the processing process of the existing box-shaped bent edge riveting workpiece, the procedure is complex, the production cost is high, and the production efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a mould structure, comprising an upper mould and a lower mould, and also comprising:

the cutting-off assembly is arranged on the upper die and/or the lower die and is used for carrying out die cutting on the workpiece flitch so as to cut off the connection between the workpiece flitch and the workpiece;

the bending assembly comprises a pressing assembly and a supporting assembly which are arranged in a staggered mode, the pressing assembly is arranged on the upper die, the supporting assembly is arranged on the lower die and used for supporting the workpiece, and when the upper die and the lower die are assembled, the pressing assembly and the supporting assembly are matched in a staggered mode to bend the workpiece subjected to die cutting; and

and the riveting assembly is arranged between the upper die and the lower die and is used for riveting the bent workpiece.

This mould structure includes mould and lower mould, still including cutting off the subassembly, bend subassembly and riveting subassembly, can carry out the cross cutting to the work piece flitch through cutting off the subassembly, in order to cut off being connected between work piece flitch and the work piece, support the dislocation cooperation of pressing subassembly and supporting component through the subassembly of bending, can bend the work piece after the cross cutting, the riveting subassembly is used for riveting the work piece after bending, in order to pass through mould structure's last mould and lower mould compound die process, one-step realization is to the cross cutting of work piece flitch and work piece junction, bend and riveted operation, the reduction process, the saving mould cost, promote production efficiency, and the product cost is reduced.

As a preferable aspect of the above mold structure, the bending assembly further includes:

the driving assembly is configured to drive the supporting assembly to move upwards relative to the pressing assembly when the upper die and the lower die are matched.

The driving assembly is arranged to drive the supporting assembly to move upwards relative to the abutting assembly, so that the abutting assembly and the supporting assembly are matched, and the workpiece is bent.

As a preferable aspect of the above mold structure, the driving assembly includes:

the middle part of the rotating piece is rotatably arranged on the lower die, and one end of the rotating piece can be abutted against the bottom of the supporting component; and

the pressing piece is arranged on the upper die and can be configured to downwards abut against the other end of the rotating piece so as to enable the supporting component to move upwards.

The drive assembly supports downwards through the pressing piece to press the other end of the rotating piece, and then drives one end of the rotating piece to enable the supporting assembly to move upwards.

As a preferable aspect of the above mold structure, the support member includes:

the pressing component can extend between the two groups of supporting components, and each group of supporting components is driven by at least one group of driving components.

Two sets of support pieces that the interval set up are used for supporting the work piece, and every group support piece is driven by at least a set of drive assembly, upwards removes through the support piece that drive assembly drive corresponds, when pressing the subassembly and stretching into between two sets of support pieces, can support and press the work piece to make and support and press the subassembly with the work piece to the clearance between two sets of support pieces and support and press, and then be convenient for realize bending of work piece.

As a preferable aspect of the above mold structure, the caulking assembly includes:

the riveting sliding block is arranged on the supporting component in a sliding mode along a first direction;

the horizontal pushing piece is arranged on the upper die in a moving mode along the first direction and is configured to push the riveting sliding block to move along the first direction; and

the vertical pushing piece is arranged on the upper die, and when the upper die and the lower die are closed, the vertical pushing piece drives the horizontal pushing piece to move towards the riveting sliding block along the first direction, so that the riveting sliding block rivets the workpiece.

The riveting component is simple in structure, and can realize linkage of all components of the riveting component so as to conveniently realize riveting of workpieces.

As a preferable scheme of the above mold structure, the horizontal pushing member and the vertical pushing member are matched through an inclined plane structure.

The horizontal pushing piece and the vertical pushing piece are matched through an inclined plane structure, the structure is simple, and the horizontal pushing piece is easily driven to drive the riveting sliding block along the first direction.

As a preferable scheme of the above mold structure, four sets of the riveting assemblies are provided, and the four sets of the riveting assemblies are arranged in a matrix.

The riveting subassembly sets up four groups, and four groups of riveting subassemblies are the matrix and arrange to in riveting corresponding position on the work piece, in order to realize the synchronous riveting of multiposition, promote work efficiency.

As a preferable aspect of the above mold structure, the cutting assembly includes:

and the cutting punch is arranged on the upper die and used for die cutting of the connecting position of the workpiece and the workpiece flitch.

And the cutting punch is arranged so as to facilitate the die cutting of the connecting position of the workpiece and the workpiece flitch.

As a preferable aspect of the above mold structure, the cutting assembly further includes:

and the supporting block is arranged on the lower die and corresponds to the cutting punch.

The supporting block can provide supporting force for the cutting punch so as to be matched with the cutting punch and cut the workpiece conveniently.

As a preferable aspect of the above die structure, the cutting assembly includes a plurality of cutting punches, and the support blocks are provided in one-to-one correspondence with the cutting punches.

The cutting-off component comprises a plurality of cutting-off punches and can perform die cutting on a plurality of connecting positions of a workpiece and a workpiece plate, the supporting pieces and the cutting-off punches are arranged in a one-to-one correspondence mode, so that when the cutting-off punches are used for die cutting, each cutting-off punch provides supporting force through one supporting block, then a plurality of preset positions of the workpiece are cut off, and the working efficiency is improved.

The invention has the beneficial effects that:

the die structure provided by the invention comprises an upper die and a lower die, and also comprises a cutting assembly, a bending assembly and a riveting assembly, wherein the cutting assembly can cut off the connection between a workpiece and a workpiece plate, the pressing assembly of the bending assembly and the supporting assembly are in staggered fit, the die-cut workpiece can be bent, and the riveting assembly is used for riveting the bent workpiece, so that the die-cutting, bending and riveting operations on the connection position of the workpiece and the workpiece plate can be realized in one step through the die assembly process of the upper die and the lower die of the die structure, the working procedures are reduced, the die cost is saved, the production efficiency is improved, and the product cost is reduced.

Drawings

FIG. 1 is a diagram of a box-like workpiece to be processed according to the present invention;

fig. 2 is a schematic structural diagram of a mold structure provided by the present invention:

FIG. 3 is a schematic structural diagram I of the die structure provided by the invention in the process of processing a workpiece after part of the structure is removed:

FIG. 4 is a schematic structural diagram II of the die structure provided by the invention in the process of processing a workpiece after part of the structure is removed:

fig. 5 is a third structural schematic diagram of the die structure provided by the invention in the process of processing a workpiece after part of the structure is removed.

In the figure:

1. an upper die;

2. a lower die;

3. cutting off the assembly;

4. bending the assembly; 41. a pressing component; 42. a support assembly; 43. a drive assembly; 431. a rotating member; 432. a pressing member;

5. riveting the assembly; 51. riveting a sliding block; 52. a horizontal pushing member; 53. a vertical pushing piece;

100. a workpiece; 101. a workpiece main body; 102. a tip; 103. and (4) side wings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The first embodiment is as follows:

fig. 1 provides a diagram to be processed of a box-shaped bent-edge riveting workpiece, in this state, a workpiece 100 has been detached from a workpiece plate, the workpiece 100 includes a workpiece main body 101, end heads 102 disposed at two ends of the workpiece main body 101, and side wings 103 disposed at two sides of the workpiece main body 101, during the processing of the workpiece 100, the workpiece 100 needs to be cut off from the workpiece plate, then the two end heads 102 are bent, and then two sides of the end heads 102 are riveted with the corresponding side wings 103.

The existing box-shaped bent edge riveting workpiece needs to be separated from a workpiece plate after a part is formed, then the workpiece is bent by using a bending machine, and then the workpiece is riveted by using riveting equipment, multiple equipment is needed in the processing process of the workpiece, multiple processes are included, the process is complex, and the production cost is increased; and the riveting process is multipurpose manpower, and the production efficiency is low.

In order to solve the above problem, the present embodiment provides a mold structure, as shown in fig. 2 to 5, the mold structure includes an upper mold 1 and a lower mold 2, and the upper mold 1 and the lower mold 2 can be matched for mold closing and mold opening. The die structure further comprises a cutting component 3, a bending component 4 and a riveting component 5, wherein the cutting component 3 is arranged on the upper die 1 and/or the lower die 2 and used for carrying out die cutting on a workpiece flitch so as to cut off the connection between the workpiece flitch and a workpiece 100, the bending component 4 comprises a pressing component 41 and a supporting component 42 which are arranged in a staggered mode, the pressing component 41 is arranged on the upper die 1, the supporting component 42 is arranged on the lower die 2 and used for supporting the workpiece 100, and when the upper die 1 and the lower die 2 are assembled, the pressing component 41 and the supporting component 42 are matched in a staggered mode so as to bend two end heads 102 of the workpiece 100 after die cutting; the caulking unit 5 is provided between the upper die 1 and the lower die 2, and the caulking unit 5 is used for caulking the bent work 100. The die cutting component 3 can be used for die cutting of the workpiece flitch, so that connection between the workpiece flitch and the workpiece 100 is cut off, the pressing component 41 of the bending component 4 and the supporting component 42 are in staggered fit, the workpiece 100 after die cutting can be bent, the riveting component 5 is used for riveting two sides of the end 102 of the workpiece 100 after bending and the corresponding side wing 103, so that the die closing process of the upper die 1 and the lower die 2 through the die structure is facilitated, the die cutting, bending and riveting operations of the connection position of the workpiece 100 and the workpiece flitch are realized in one step, the process is reduced, the die cost is saved, the production efficiency is improved, and the product cost is reduced.

Optionally, bending assembly 4 further includes a driving assembly 43, and driving assembly 43 is configured to drive supporting assembly 42 to move upward relative to pressing assembly 41 when upper die 1 and lower die 2 are closed, so as to cooperate pressing assembly 41 and supporting assembly 42, and thus, bend workpiece 100.

Specifically, the driving assembly 43 includes a rotating member 431 and a pressing member 432, the middle portion of the rotating member 431 is rotatably disposed on the lower mold 2, one end of the rotating member 431 can abut against the bottom portion of the supporting assembly 42, the pressing member 432 is disposed on the upper mold 1, and the pressing member 432 is configured to downwardly abut against the other end of the rotating member 431 so as to move the supporting assembly 42 upward. The driving assembly 43 downwardly presses the other end of the rotating member 431 through the pressing member 432, and then drives one end of the rotating member 431 to move the supporting assembly 42 upwardly, and the driving assembly 43 has a simple structure and is convenient to operate.

Alternatively, the pressing piece 432 may directly abut against the rotation piece 431. Naturally, the lower die 2 is movably provided with an abutting member in the vertical direction, the abutting member abuts against the other end of the rotating member 431, and the pressing member 432 abuts against the other end of the rotating member 431 by pressing the abutting member, that is, the abutting member transmits the pressing force of the pressing member 432 to the rotating member 431.

In this embodiment, the supporting assembly 42 includes two sets of supporting members disposed at intervals, the abutting assembly 41 is disposed opposite to the gap between the two sets of supporting members, the abutting assembly 41 can extend between the two sets of supporting members, and each set of supporting members is driven by at least one set of driving assembly 43. The two groups of supporting pieces arranged at intervals are used for supporting the workpiece 100, each group of supporting pieces is driven by at least one group of driving assembly 43, the corresponding supporting pieces are driven to move upwards through the driving assemblies 43, and when the pressing assembly 41 extends between the two groups of supporting pieces, the workpiece 100 can be pressed by the pressing assembly 41, so that the workpiece 100 is pressed towards a gap between the two groups of supporting pieces by the pressing assembly 41, and the workpiece 100 can be bent conveniently.

With continued reference to fig. 2 to 5, the riveting component 5 includes a riveting slider 51, a horizontal pushing member 52 and a vertical pushing member 53, the riveting slider 51 is slidably disposed on the supporting component 42 along a first direction (horizontal direction), the horizontal pushing member 52 is disposed on the upper die 1 along the first direction, the horizontal pushing member 52 is configured to push the riveting slider 51 to move along the first direction, the vertical pushing member 53 is disposed on the upper die 1, and when the vertical pushing member 53 closes the upper die 1 and the lower die 2, the vertical pushing member 53 drives the horizontal pushing member 52 to move toward the riveting slider 51 along the first direction, so that the riveting slider 51 rivets the workpiece 100. The riveting component 5 is simple in structure, and can realize linkage of all components of the riveting component 5 so as to conveniently rivet the workpiece 100.

Preferably, a riveting head is arranged on one side of the riveting slider 51, which is away from the horizontal pushing piece 52, a first riveting hole on the bent end 102 and a second riveting hole on the side wing 103 are oppositely arranged, the riveting head extends into the corresponding first riveting hole and the corresponding second riveting hole, and the first riveting hole and the second riveting hole form a flanging hole, so that the end 102 and the side wing 103 are riveted, the riveting mode does not need rivets, and the production cost is reduced.

Preferably, the horizontal pushing piece 52 and the vertical pushing piece 53 are matched through an inclined plane structure, the structure is simple, and the driving of the riveting slider 51 driven by the horizontal pushing piece 52 along the first direction is easy to realize.

In this embodiment, the riveting component 5 is provided with four groups, and the four groups of riveting components 5 are arranged in a matrix manner, so that the two sides of the two ends 102 and the corresponding side wings 103 are synchronously riveted, the multi-position synchronous riveting is realized, and the working efficiency is improved.

Optionally, the cutting assembly 3 includes a cutting punch provided on the upper die 1 for die cutting the connecting position of the workpiece 100 and the workpiece material plate. The cutting component 3 further comprises a supporting block which is arranged on the lower die 2 and corresponds to the cutting punch. The support block is configured to provide a supporting force for the cutting punch so as to cooperate with the cutting punch to facilitate cutting of the workpiece 100.

Preferably, the cutting assembly 3 includes a plurality of cutting punches, and the supporting blocks are arranged in one-to-one correspondence with the cutting punches, so that when the cutting punches perform die cutting, each cutting punch provides a supporting force by one supporting block, and then the workpiece 100 is cut off from a plurality of connecting positions of the workpiece flitch, thereby improving the working efficiency.

In this embodiment, the cutting assembly 3 includes four cutting punches arranged in a matrix.

Machining process of the workpiece 100:

first, the work piece flitch is supported on the support assembly 42.

Then, the upper die 1 is moved downwards, and the cutting punch cuts off the connecting position of the workpiece 100 and the workpiece flitch, so that the workpiece 100 is separated from the workpiece flitch; in the process of moving the upper die 1 downwards, the pressing piece 432 presses the rotating piece 431, so that the rotating piece 431 presses the supporting component 42 upwards, and the supporting component 42 is in staggered fit with the pressing component 41, so that the two ends 102 of the workpiece 100 are bent; in the process that the upper die 1 moves downwards, the vertical pushing piece 53 pushes the horizontal pushing piece 52, so that the riveting sliding block 51 is driven to move towards the workpiece 100, the end 102 and the side wing 103 of the workpiece 100 are riveted, and the die cutting, bending and riveting operation of the joint of the workpiece 100 and the workpiece material plate is realized.

Example two:

the present embodiment provides a mold structure, which is different from the first embodiment in that the structure of the riveting component 5 is slightly different, and in the first embodiment, the riveting component 5 includes a riveting slider 51, a horizontal pushing member 52 and a vertical pushing member 53. In this embodiment, the riveting component 5 includes the riveting slider 51 and the vertical pushing piece 53, the riveting slider 51 and the vertical pushing piece 53 are matched through an inclined plane structure, and the vertical pushing piece 53 directly drives the riveting slider 51 to move along the first direction.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a mould structure, includes mould (1) and lower mould (2), its characterized in that still includes:

the cutting assembly (3) is arranged on the upper die (1) and/or the lower die (2) and is used for carrying out die cutting on the workpiece flitch so as to cut off the connection between the workpiece flitch and the workpiece (100);

the bending component (4) comprises a pressing component (41) and a supporting component (42) which are arranged in a staggered mode, the pressing component (41) is arranged on the upper die (1), the supporting component (42) is arranged on the lower die (2), the supporting component (42) is used for supporting the workpiece (100), and when the upper die (1) and the lower die (2) are closed, the pressing component (41) and the supporting component (42) are matched in a staggered mode to bend the workpiece (100) after die cutting; and

the riveting component (5) is arranged between the upper die (1) and the lower die (2), and the riveting component (5) is used for riveting the bent workpiece (100).

2. Mould structure according to claim 1, characterized in that said bending assembly (4) further comprises:

a driving component (43), wherein the driving component (43) is configured to drive the supporting component (42) to move upwards relative to the pressing component (41) when the upper die (1) and the lower die (2) are clamped.

3. Mould structure according to claim 2, characterized in that said drive assembly (43) comprises:

the middle part of the rotating piece (431) is rotatably arranged on the lower die (2), and one end of the rotating piece (431) can abut against the bottom of the supporting component (42); and

and a pressing piece (432) arranged on the upper die (1), wherein the pressing piece (432) can be configured to press the other end of the rotating piece (431) downwards so as to enable the supporting component (42) to move upwards.

4. The mold structure according to claim 2, characterized in that the support assembly (42) comprises:

the pressing component (41) can extend into the space between the two supporting components, and each supporting component is driven by at least one driving component (43).

5. Mould structure according to any one of claims 1 to 4, characterized in that said riveting assembly (5) comprises:

a riveting slider (51) which is arranged on the supporting component (42) in a sliding manner along a first direction;

the horizontal pushing piece (52) is arranged on the upper die (1) in a moving mode along the first direction, and the horizontal pushing piece (52) is configured to be capable of pushing the riveting sliding block (51) to move along the first direction; and

the vertical pushing piece (53) is arranged on the upper die (1), when the upper die (1) and the lower die (2) are closed, the vertical pushing piece (53) drives the horizontal pushing piece (52) to move towards the riveting sliding block (51) along the first direction, so that the riveting sliding block (51) rivets the workpiece (100).

6. Mould structure according to claim 5, characterised in that said horizontal abutments (52) and said vertical abutments (53) cooperate by means of a ramp structure.

7. Mould structure according to claim 5, characterized in that said riveting assemblies (5) are provided in four groups, four groups of said riveting assemblies (5) being arranged in a matrix.

8. Mould structure according to any one of claims 1-4, characterized in that the shut-off assembly (3) comprises:

and the cutting punch is arranged on the upper die (1) and used for die cutting of the connecting position of the workpiece (100) and the workpiece material plate.

9. Mould structure according to claim 8, characterized in that said severing assembly (3) further comprises:

and the supporting blocks are arranged on the lower die (2) and correspond to the cutting punches.

10. The die arrangement according to claim 9, characterized in that the severing assembly (3) comprises a plurality of said severing punches and in that said support blocks are arranged in a one-to-one correspondence with said severing punches.

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