CN216263042U - Movable convex die mechanism and edge covering die - Google Patents
Movable convex die mechanism and edge covering die Download PDFInfo
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- CN216263042U CN216263042U CN202122916281.3U CN202122916281U CN216263042U CN 216263042 U CN216263042 U CN 216263042U CN 202122916281 U CN202122916281 U CN 202122916281U CN 216263042 U CN216263042 U CN 216263042U
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Abstract
The utility model discloses a movable male die mechanism and a binding die, comprising a movable male die and a driver; the movable male die is connected with the lower die holder in a matching mode, and the driver is rigidly connected with the upper die holder. The driver without a fragile structure is used for driving the movable male die to enter the male die to support the part, after the part is pre-bent and covered, the driver can be driven to move upwards in the die opening process of the die and gradually separated from the movable male die, so that the movable male die is separated from the male die, the moving in and out of the movable male die avoids the negative angle surface area of the part, and the part cannot be interfered with the male die when being put in and taken out. The working stability of the mechanism cannot be influenced by large force generated in the process of pre-bending and edge covering of the negative angle surface area of the part. In addition, the requirements of automatic line production and manual line production can be met simultaneously.
Description
Technical Field
The utility model relates to the technical field of assembly part processing, in particular to a movable male die mechanism and a binding die, wherein the movable male die mechanism and the binding die cannot interfere with a male die surface in the processes of putting in and taking out movable parts, and the working stability of the mechanism cannot be influenced by large force generated in the processes of pre-bending and binding the parts.
Background
In the process of cold stamping of the automobile outer covering part, the single part forms various sub-assemblies and assembly systems in the modes of inclusion, welding, screw connection, riveting and the like. The edge covering means that when the outer plate and the inner plate are combined, the turned edge of the outer plate is bent to the surface of the inner plate. Bordure is the most common mode in the connection of outer plate and interior plate, under the prerequisite of guaranteeing production efficiency, can guarantee the outward appearance quality of outer plate furthest, satisfies the increasingly high quality requirement of consumer.
In order to improve the processing precision, a hemming die is usually adopted to process the molded surface of the part. The negative angle exists on the local area surface of the assembly part produced by the edge covering die, and the negative angle area of the part needs to be pre-bent and edge covering, the negative angle area of the part interferes with the molded surface of the male die, when the part is put on the male die, the whole assembly part surface is not attached to the molded surface of the male die due to interference, and the next pre-bending and edge covering work cannot be carried out. In addition, the negative corner area of the assembly part after pre-bending and edge covering is wrapped on the molded surface of the male die, the part taking process is interfered with the molded surface of the male die, and the part surface is deformed if the part is forcibly taken out.
In the prior art, pre-bending and edge covering production are realized aiming at a negative angle surface area of an assembly part, and a mold is designed in two modes.
The method comprises the steps of developing two sets of edge covering dies, wherein one set of edge covering die is a formal edge covering die and is used for pre-bending and edge covering the area of the negative-angle surface of the part to be produced, and the other set of edge covering die is a simple edge covering die and is used for pre-bending and edge covering the area of the negative-angle surface of the part to be produced.
And secondly, a movable male die mechanism driven by a cylinder is designed for the negative angle surface area of the part in the edge covering die, when the part is placed on the male die, the movable male die is driven by the cylinder to enter the male die to support the part, and after the pre-bending edge covering work is finished, the movable male die is retracted by the cylinder to the outside of the male die. Referring to fig. 10, the mechanism is a cylinder-driven movable punch mechanism, which mainly comprises a cylinder (302) and a movable punch II (301). The working principle is that a part is placed on the male die II (303), the movable male die II (301) is driven by the rear air cylinder (302) to enter the male die II (303) to support the part, the prebending edge covering work is completed, the movable male die II (301) is retracted by the rear air cylinder (302) to the outside of the male die II (303), and then the part is taken out. The other disadvantage of the mechanism is that the driving force of the cylinder is limited, and the cylinder driving is easy to lose efficacy due to large force generated in the pre-bending edge covering process, so that the movable male die II can retreat out of the male die, and the part is deformed under air pressure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a movable convex die mechanism and a binding die. The negative corner surface area of the assembly part can be supported by the profile of the movable male die during pre-bending and edge covering work; the problem that the parts interfere with the molded surface of the male die in the processes of putting and taking out is solved; meanwhile, the problem of stress stability in the processes of prebending and edge covering of the negative corner area of the part is solved. The device also has the characteristics of simple structure, high automation degree, good stability, wide applicability and the like.
The utility model provides the following scheme:
a movable cam mechanism comprising:
a movable male die and a driver; the movable male die is matched and connected with the lower die holder, and the driver is rigidly connected with the upper die holder;
after a part to be machined in the negative angle surface area is put into the male die, the upper die base drives the driver to move downwards so that the driver provides acting force towards the male die for the movable male die and drives the movable male die to enter the male die straightly;
after the movable male die enters the male die, the molded surface of the movable male die supports the negative angle surface area, and rigid support is formed for the movable male die in the machining process of the negative angle surface area.
Preferably: the movable male die is provided with a rebound assembly; the rebound assembly is compressed after the movable male die enters the male die;
after the negative angle surface area is machined, the upper die base drives the driver to move upwards to enable the driver to be separated from the movable male die, so that the movable male die can be ejected out of the male die under the effect of the resilience force of the rebound assembly.
Preferably: the rebound assembly comprises a nitrogen spring.
Preferably: the lower die base is provided with a first limiting block, and the first limiting block is used for limiting the return stroke of the movable male die.
Preferably: the movable male die comprises a first stroke back plate, and the driver comprises a second stroke back plate; the first stroke back plate is provided with a first inclined driving surface and a first vertical driving surface, and the second stroke back plate is provided with a second inclined driving surface and a second vertical driving surface; the first inclined drive surface is vertically at least partially opposed to the second inclined drive surface.
Preferably: the movable male die further comprises a movable block with an integrated casting structure, and the first stroke back plate is fixedly connected with the movable block.
Preferably: the movable block is provided with a plurality of first baffle and apron, and is a plurality of first baffle and the apron is used for doing the movable block motion is guided.
Preferably: a second limiting block is arranged on the end face of the movable block opposite to the male die; the second limiting block is used for limiting the position of the movable male die entering the male die.
Preferably: the driver also comprises a driving block with an integrated casting structure, and the second stroke back plate is connected with the driving block; the driving block is provided with a second guide plate and a connecting plate, and the connecting plate is used for being connected with the upper die base.
A hemming die comprises an upper die base, a material pressing device, a hemming knife, a pre-bending knife block, a pre-bending mechanism, a lower die base, a male die and the movable male die mechanism.
According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:
according to the movable male die mechanism and the edge covering die, under an implementation mode, the movable male die mechanism provided by the application uses a driver without a fragile structure to drive the movable male die to enter the male die to support a part, after the part is pre-bent and edge covering work is completed, the die opening process of the die can drive the driver to move upwards and gradually separate from the movable male die, so that the movable male die is withdrawn out of the male die, the moving in and out of the movable male die avoids the negative angle surface area of the part, and the part can not be interfered with the male die when being put in or taken out. The working stability of the mechanism cannot be influenced by large force generated in the process of pre-bending and edge covering of the negative angle surface area of the part. In addition, the requirements of automatic line production and manual line production can be met simultaneously.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a movable male mold mechanism provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a movable cam mechanism provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a movable male die provided by an embodiment of the utility model;
FIG. 4 is a schematic structural diagram of a driver provided in an embodiment of the present invention;
FIG. 5 is a schematic view of a lower die assembly provided by an embodiment of the present invention;
FIG. 6 is a schematic view of an upper die assembly provided by an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a component provided in an embodiment of the present invention;
FIG. 8 is a schematic illustration of a step of a movable punch mechanism for part production according to an embodiment of the present invention;
FIG. 9 is a line drawing of the travel of the movable punch mechanism in the die provided by the embodiment of the utility model;
figure 10 is a schematic view of a prior art cylinder driven movable punch mechanism.
In the figure: the device comprises a movable male die 1, a rebound assembly 101, a first limiting block 102, a first stroke back plate 103, a movable block 104, a first guide plate 105, a cover plate 106, a second limiting block 107, a driver 2, a second stroke back plate 201, a driving block 202, a second guide plate 203, a connecting plate 204, a lower die holder 3, an upper die holder 4, a part 5, a negative angle surface area 501, a material pressing device 6, a taping knife 7, a pre-bending knife block 8, a pre-bending mechanism 9 and a male die 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Examples
Referring to fig. 1, 2, 3, 4, 5, 6, and 7, an embodiment of the present invention provides an active male mold mechanism, which may include:
a movable male die 1 and a driver 2; the movable male die 1 is connected with the lower die holder 3 in a matching way, and the driver 2 is rigidly connected with the upper die holder 4;
after the part 5 to be processed in the negative angle surface area 501 is put into the male die 10, the upper die base 4 drives the driver 2 to move downwards, so that the driver 2 provides acting force towards the male die 10 for the movable male die 1, and the movable male die 1 is driven to enter the male die 10 straightly;
after the movable male die 1 enters the male die 10, the molded surface of the movable male die 1 supports the negative angle surface area 501, and the movable male die 1 is rigidly supported in the processing process of the negative angle surface area 501.
According to the movable male die mechanism provided by the embodiment of the application, the driver 2 drives the movable male die 1 to enter the male die along a straight track, and the molded surface of the movable male die 1 is used for supporting the negative corner surface area 501 of the part 5 so as to realize the pre-bending edge covering work of the part 5. The production requirement of the die is easily met, and the problem of interference when the part 5 is put in and taken out is avoided; the mechanism is high in stability, the movable male die 1 of the mechanism is driven in place and then is limited at the periphery, so that large lateral force can be borne, and the stability of the mechanism cannot be influenced by the force generated by pre-bending and edge covering of the die; the work of the mechanism is driven to be completed along with the movement of the upper die base 4, the automation degree of the mechanism is high, the driving process does not need manual participation operation, and the mechanism is suitable for automatic production lines and manual production lines.
It can be understood that, because the movable male die 1 provided in the embodiment of the present application is in the state of exiting the male die when the die is in the die opening state before entering the male die 10, the movable male die 1 and the part 5 have a sufficient clearance, and there is no interference. After the negative angle surface area 501 is processed, the driver 2 provided by the embodiment of the application can move upwards under the drive of the upper die base 4 in the die opening process, so that the acting force of the movable male die 1 towards the male die disappears, at the moment, the movable male die 1 can be withdrawn from the male die, and when the movable male die 1 is withdrawn from the male die, various modes can be adopted, for example, modes such as manual stirring can be adopted, the movable male die 1 is withdrawn to avoid the negative angle area of the part 5, and the interference with the male die 10 can not occur when the part 5 is taken out.
In order to enable the movable male die 1 to automatically exit from the male die after the negative corner region 501 is machined, the embodiment of the application may provide that the movable male die 1 is provided with a rebound assembly 101; the rebound assembly 101 is compressed after the movable male die 1 enters the male die 10; after the negative angle surface area 501 is processed, the upper die holder 4 drives the driver 2 to move upwards, so that the driver 2 is separated from the movable male die 1, and the movable male die 1 can exit from the male die 10 straightly under the effect of the resilience force of the resilience assembly 101. The rebound assembly 101 is compressed after the movable punch 1 is combined with the punches, and the driver 2 continuously provides acting force to the movable punch 1 when the driver 2 is in a withdrawing state, so that the rebound assembly 101 cannot recover the deformation. And when the acting force of the movable convex die 1 on the driver 2 towards the convex die disappears, the rebound assembly 101 can restore the deformation and push the movable convex die 1 out of the convex die 10.
In practical applications, the rebound assembly 101 can take various forms, for example, in one implementation, the embodiment of the present application can provide that the rebound assembly 101 comprises a nitrogen spring. The nitrogen spring special for mould (called die nitrogen spring or nitrogen cylinder for short) is a new type elastic component using high-pressure nitrogen as working medium, and its volume is small, elastic force is large, stroke is long, working is stable, its manufacture is accurate, service life is long (one million times), elastic curve is smooth, and it has no need of pre-tightening, etc., and it has the works which are difficult to implement by conventional elastic components of metal spring, rubber and air cushion, etc., and can simplify mould design and manufacture, and is convenient for mould installation and regulation, and can prolong the service life of mould, and can ensure the stability of product quality.
In order to limit the return stroke of the movable male die 1, in the embodiment of the present application, the lower die holder 3 may be provided with a first limiting block 102, and the first limiting block 102 is used for limiting the return stroke of the movable male die 1. The first stopper 102 can be installed at a proper position of the lower die base 3, and the movable male die 1 can stop moving after contacting the first stopper 102 during the return stroke.
The driver 2 provided by the embodiment of the application can drive the movable male die 1 to act in a rigid driving mode, and is simple in driving structure and high in stability. In a specific selection of the implementation, there may be multiple ways, for example, in one implementation, the embodiment of the present application may provide that the movable male die 1 includes the first stroke back plate 103, the driver 2 includes the second stroke back plate 201; the first stroke back plate 103 is provided with a first inclined driving surface and a first vertical driving surface, and the second stroke back plate 201 is provided with a second inclined driving surface and a second vertical driving surface; the first inclined drive surface is vertically at least partially opposed to the second inclined drive surface. Through the structure, the mutual driving surfaces of the driver 2 and the movable male die 1 can be driven by the inclined surface first and then driven by the vertical driving surface.
The embodiment of the application can further provide that the movable male die 1 further comprises a movable block 104 with an integrated casting structure, and the first stroke back plate 103 is fixedly connected with the movable block 104. The movable block 104 with the integrated casting structure is used as a main body component of the movable male die 1, so that the deformation resistance of the movable male die is stronger.
In order to guide the moving block 104 during the moving process, in the embodiment of the present application, the moving block 104 may be provided with a plurality of first guide plates 105 and a cover plate 106, and a plurality of the first guide plates 105 and the cover plate 106 are used for guiding the moving of the moving block 104. Both sides and the bottom of the movable punch 1 use the first guide plate 105 and the cover plate 106 as guides.
In order to limit the position of the movable male die 1 entering the male die, a second limiting block 107 is arranged on the end surface of the movable block 104 opposite to the male die 10; the second limiting block 107 is used for limiting the position of the movable male die 1 entering the male die 10. When the movable male die 1 enters the male die, the second limiting block 107 can stop moving after contacting with the male die.
The embodiment of the present application may further provide that the driver 2 further includes a driving block 202 having an integral casting structure, and the second stroke back plate 201 is connected to the driving block 202; the driving block 202 is provided with a second guide plate 203 and a connecting plate 204, and the connecting plate 204 is used for connecting with the upper die holder 4. The driving block 202 of the integrated casting structure is used as the main body of the driver 2, so that rigid driving of the movable male die 1 can be realized, the deformation resistance of the driver 2 can be improved, rigid support is formed for the movable male die 1 in the machining process of the negative-angle area 501, and the movable male die is prevented from being damaged by large force generated in the pre-bending edge covering process in the machining process of the negative-angle area 501.
The movable male die mechanism provided by the embodiment of the application can realize that interference does not occur when the part 5 is put in and taken out; when the die is in a pre-bending and edge-covering negative angle surface area 501, the movable convex die 1 enters the convex die so as to support the negative angle surface area 501 of the part 5 by using the molded surface of the movable convex die 1; the moving track of the movable male die 1 in the mechanism is that the movable male die enters and exits the male die straightly; the motion stroke track of the driver 2 in the mechanism is shown in figure 9; the second stroke back plate 201, the first stroke back plate 103, the first guide plate 105, the second guide plate 203, the cover plate 106, the first limiting block 102 and the second limiting block 107 in the mechanism can bear large lateral force under the interaction, so that the force generated by pre-bending and edge covering of the part 5 cannot influence the stability of the mechanism.
In a word, the movable male die mechanism provided by the application uses a driver without a fragile structure to drive the movable male die to enter the male die to support a part, after the part is prebent and covered with edges, the die opening process of the die can drive the driver to move upwards and gradually separate from the movable male die, so that the movable male die is withdrawn from the male die, the movable male die 1 moves in and out to avoid the negative angle surface area of the part, and the part can not be interfered with the male die when being put in and taken out. The working stability of the mechanism cannot be influenced by large force generated in the process of pre-bending and edge covering of the negative angle surface area of the part.
The embodiment of the application can also provide a hemming die, which comprises an upper die holder 4, a material pressing device 6, a hemming knife 7, a pre-bending knife block 8, a pre-bending mechanism 9, a lower die holder 3, a male die 10 and the movable male die mechanism.
The movable male die mechanism can mainly consist of a driver 2 and a movable male die 1.
The movable convex die 1 in the die opening state of the die is in a convex die withdrawing state, and the movable convex die 1 and the part 5 have enough avoiding clearance without any interference; after the part 5 is put on the male die 10, the upper die base 4 drives the driver 2 to move downwards to drive the movable male die 1 and push the movable male die 1 into the male die 10, so that the profile of the movable male die 1 completely supports the negative angle area 501 of the part 5, and preparation is made for the next negative angle area 501 pre-bending and edge covering work of the part 5.
After the part 5 finishes the pre-bending and edge covering work, the upper die base 4 drives the driver 2 to move upwards and gradually separate from the movable male die 1, so that the movable male die 1 is withdrawn out of the male die 10; when the upper die base 4 moves upwards to the die opening state, the part 5 can be sent out by the conveyor belt or the manipulator, and a complete production process of the part 5 is completed.
Referring to fig. 8, specific steps for the working of the mold provided by the present application are as follows:
before the part 5 to be processed in the negative angle surface area 501 is put on the male die 10, the movable male die 1 and the pre-bending tool block 8 are in a retreating state;
after a part 5 to be processed in the negative angle surface area 501 is placed on the male die, the upper die base 4 moves downwards, the driver 2 drives the movable male die 1 to enter the male die straightly, and the molded surface of the movable male die 1 supports the negative angle surface area 501 of the part 5 to be processed in the negative angle surface area 501;
the upper die base 4 continues to move downwards, the material pressing device 6 starts to press the part 5, and the material pressing device 6 presses the part 5 on the male die 10;
the upper die holder 4 continues to descend, and the pre-bending cutter block 8 performs pre-bending work on the negative corner area 501 of the part 5 and then returns to the original position;
the upper die holder 4 continues to move downwards, and the edge covering knife 7 carries out edge covering work on the negative corner area 501 of the part 5, namely the part 5 finishes pre-bending and edge covering production;
the upper die holder 4 moves upwards, the driver 2 is separated from the driving action of the movable convex die 1, and the movable convex die 1 is withdrawn out of the convex die 10 under the action of the rebound component 101;
after the upper die base 4 moves upwards to the die opening state, the part 5 can be taken out through a manipulator or a conveyor belt, and then a complete part 5 production step is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A movable male die mechanism is characterized by comprising:
a movable male die and a driver; the movable male die is matched and connected with the lower die holder, and the driver is rigidly connected with the upper die holder;
after a part to be machined in the negative angle surface area is put into the male die, the upper die base drives the driver to move downwards so that the driver provides acting force towards the male die for the movable male die and drives the movable male die to enter the male die straightly;
after the movable male die enters the male die, the molded surface of the movable male die supports the negative angle surface area, and rigid support is formed for the movable male die in the machining process of the negative angle surface area.
2. The movable punch mechanism of claim 1 wherein the movable punch is provided with a rebound assembly; the rebound assembly is compressed after the movable male die enters the male die;
after the negative angle surface area is machined, the upper die base drives the driver to move upwards to enable the driver to be separated from the movable male die, so that the movable male die can be ejected out of the male die under the effect of the resilience force of the rebound assembly.
3. The movable punch mechanism of claim 2 wherein the rebound assembly comprises a nitrogen spring.
4. The movable male die mechanism according to claim 2, wherein the lower die holder is provided with a first stopper for limiting a return stroke of the movable male die.
5. The movable punch mechanism of claim 1 wherein the movable punch includes a first stroke back plate and the driver includes a second stroke back plate; the first stroke back plate is provided with a first inclined driving surface and a first vertical driving surface, and the second stroke back plate is provided with a second inclined driving surface and a second vertical driving surface; the first inclined drive surface is vertically at least partially opposed to the second inclined drive surface.
6. The movable punch mechanism of claim 5 further comprising a movable block having an integral cast structure, wherein the first stroke back plate is fixedly attached to the movable block.
7. The movable punch mechanism of claim 6 wherein the movable block is provided with a plurality of first guide plates and a cover plate for guiding movement of the movable block.
8. The movable punch mechanism of claim 6 wherein the end face of the movable block opposite the punch is provided with a second stop block; the second limiting block is used for limiting the position of the movable male die entering the male die.
9. The movable punch mechanism of claim 5 wherein the actuator further comprises an actuator block having an integral cast structure, the second travel back plate being connected to the actuator block; the driving block is provided with a second guide plate and a connecting plate, and the connecting plate is used for being connected with the upper die base.
10. A hemming die comprising an upper die base, a swage, a hemming knife, a pre-bending knife block, a pre-bending mechanism, a lower die base, a male die and a movable male die mechanism according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122916281.3U CN216263042U (en) | 2021-11-25 | 2021-11-25 | Movable convex die mechanism and edge covering die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122916281.3U CN216263042U (en) | 2021-11-25 | 2021-11-25 | Movable convex die mechanism and edge covering die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216263042U true CN216263042U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122916281.3U Active CN216263042U (en) | 2021-11-25 | 2021-11-25 | Movable convex die mechanism and edge covering die |
Country Status (1)
| Country | Link |
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| CN (1) | CN216263042U (en) |
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2021
- 2021-11-25 CN CN202122916281.3U patent/CN216263042U/en active Active
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