CN222856400U - A rocker-arm upward forming mechanism - Google Patents
A rocker-arm upward forming mechanism Download PDFInfo
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- CN222856400U CN222856400U CN202420666326.7U CN202420666326U CN222856400U CN 222856400 U CN222856400 U CN 222856400U CN 202420666326 U CN202420666326 U CN 202420666326U CN 222856400 U CN222856400 U CN 222856400U
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Abstract
The application relates to a rocker arm type upward forming mechanism which comprises an upper die and a lower die, wherein a forming block is arranged on the lower die, a base is arranged in the lower die, a guide groove which is in sliding fit with the forming block is formed in the base, a driving block is arranged at the bottom surface of the upper die, a rotating shaft is rotationally connected to the base, a rocker arm is fixedly connected to the outer surface of the rotating shaft, the rocker arm is rotationally arranged on the base, one end of the rocker arm is abutted under the driving block, the other end of the rocker arm is abutted under the forming block, the upper die drives the driving block to descend, the driving block descends one end of the rocker arm, so that one end of the rocker arm close to the forming block moves upwards, the rocker arm drives the forming block to move towards the upper die, and the forming block is matched with the upper die to realize extrusion forming on a workpiece, so that the upward forming effect is realized.
Description
Technical Field
The application relates to the technical field of upward forming, in particular to a rocker arm type upward forming mechanism.
Background
The press molding refers to a process molding method in which a material is subjected to plastic deformation or separation by applying an external force to the material by a press and a die, thereby obtaining a workpiece of a desired shape and size.
The existing products often need to be subjected to an upward forming process in some parts during processing, an upward output air cylinder is installed in a lower die by a conventional upward forming means, the air cylinder drives a forming block in the lower die to be extruded upwards for forming, but the air cylinder is inconvenient to install due to the complex structure and narrow space in the lower die, and the manufacturing cost of the whole die is increased by installing the air cylinder, so that obvious defects exist.
Disclosure of Invention
In order to reduce the manufacturing cost of a die, the application provides a rocker arm type upward forming mechanism.
The application provides a rocker arm type upward forming mechanism which adopts the following technical scheme:
The utility model provides a rocking arm formula upward forming mechanism, includes mould and lower mould, be equipped with the shaping piece that is used for upwards shaping on the lower mould, be equipped with the base in the lower mould, the guide way has been seted up on the base, the shaping piece slides and sets up in the guide way, it is equipped with the drive block to go up the mould bottom, it is connected with the pivot to rotate on the base, pivot surface fixedly connected with rocking arm, the rocking arm rotates and sets up on the base, the one end butt of rocking arm is in the drive block below, the other end butt is in shaping piece below.
Through adopting above-mentioned technical scheme, when last mould downwardly moving and lower mould compound die, go up the mould and drive the drive piece and descend, the drive piece makes the one end of rocking arm descend, the rocking arm takes place to rotate under the effect of pivot to make the one end that the rocking arm is close to the shaping piece upwards move, the rocking arm drives the shaping piece and removes towards last mould, the shaping piece cooperates the mould to realize extrusion to the work piece, thereby realized upwards fashioned effect, so set up need not to add the cylinder in the lower mould, the design that makes the lower mould is simpler, inseparable, the cost of manufacture of mould has been reduced.
Optionally, sliding connection has the guide holder in the guide way, the shaping piece bottom surface is connected on the guide holder top surface, the guide holder is close to the one side of pivot is seted up flutedly, the one end of rocking arm is supported tightly all the time the recess top.
Through adopting above-mentioned technical scheme, when the drive block drives the rocking arm pivoted, support the rocking arm part that tightly at the recess top and drive the guide holder and rise, the guide holder rises and drives the shaping piece and rise, and the setting of guide holder makes the active connection between rocking arm tip and the shaping piece change into hard connection to improved the ascending stability of shaping piece, and made the possibility that the shaping piece breaks away from the guide way reduce.
Optionally, a supporting block is arranged in the base, the supporting block is arranged below the rotating shaft, and the surface of the supporting block is clung to the rocker arm.
Through adopting above-mentioned technical scheme, go up the mould and rely on the cylinder to laminate with the lower mould fast generally, consequently when the drive block pushes down the rocking arm, the rocking arm can receive strong impact stress, and the setting of supporting shoe can play the supporting role to pivot and rocking arm, and effectively disperses the impact stress that rocking arm and pivot received, has further improved upward forming mechanism's stability.
Optionally, a reset piece is arranged on the base to enable the forming block to move back into the guide groove.
Through adopting above-mentioned technical scheme, the setting of piece that resets makes the shaping piece remove back in the guide way after accomplishing the shaping technology that makes upwards to make the rocking arm reset, when making the next shaping that makes upwards, the rocking arm can be driven smoothly to the drive piece, thereby has guaranteed the continuity of shaping technology that makes upwards.
Optionally, the reset piece is for setting up the nitrogen spring of base bottom surface, the output shaft of nitrogen spring with the guide holder bottom surface is connected, when nitrogen spring is natural state, the shaping piece is arranged in inside the guide way.
Through adopting above-mentioned technical scheme, when drive block and rocking arm separation, the pressure cancellation of drive block to rocking arm one end, the ejector pin part of nitrogen gas spring receives ascending power to disappear, and the ejector pin of nitrogen gas spring pulls guide holder and shaping piece and moves back into the guide way, makes the rocking arm be close to the tip of shaping piece and descends, and the rocking arm is close to the tip of drive block and rises, and the rocking arm resets to guaranteed going on smoothly of next upward shaping technology
Optionally, a limit bolt is arranged on the bottom surface of the lower die, and the limit bolt penetrates through the lower die and the nitrogen spring and is in threaded fit with the nitrogen spring.
Through adopting above-mentioned technical scheme, fix nitrogen spring between base and lower mould through spacing bolt, guaranteed nitrogen spring installation's accuracy, operating personnel can make nitrogen spring and lower mould separation through dismantling spacing bolt simultaneously.
Optionally, the piece that resets is including setting up the iron plate in the guide holder bottom surface, iron plate sliding connection is in the guide way, the base orientation the one side fixed mounting of guide holder has the magnetic path that is used for adsorbing the iron plate, the iron plate with the magnetic path is in same vertical direction.
Through adopting above-mentioned technical scheme, when drive block and rocking arm separation, the pressure cancellation of drive block to rocking arm one end, the rocking arm disappears to the butt force of guide holder to make the upward force that the iron plate received disappear, thereby the iron plate is adsorbed by the magnetic path and makes the iron plate move downwards in the guide way under the effect of magnetic path, and iron plate pulling guide holder and shaping piece move back in the guide way.
Optionally, a plurality of positioning columns are arranged on the lower die, positioning holes are formed in the base at positions corresponding to the positioning columns, and the positioning columns are in plug-in fit in the positioning holes.
Through adopting above-mentioned technical scheme, operating personnel has utilized the cooperation of reference column and locating hole to guarantee the installation accuracy of base to the accuracy of shaping piece upward shaping process has been guaranteed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. According to the application, the rocker arm, the rotating shaft, the forming block and the driving block are arranged, the driving block is driven by the upper die to descend, one end of the rocker arm is driven by the driving block to descend, so that one end of the rocker arm, which is close to the forming block, moves upwards, the forming block is driven by the rocker arm to move towards the upper die, and the forming block is matched with the upper die to realize extrusion forming on a workpiece, so that the upward forming effect is realized, and an air cylinder is not required to be added in the lower die, so that the design of the lower die is simpler and more compact, and the manufacturing cost of the die is reduced;
2. According to the application, the reset piece is arranged, so that the forming block moves back into the guide groove after the upward forming process is finished, and the rocker arm is reset, so that the driving block can smoothly drive the rocker arm when the upward forming process is performed next time, and the continuity of the upward forming process is ensured.
Drawings
Fig. 1 is an exploded view of the present application between an upper mold, a base and a lower mold.
Fig. 2 is a schematic structural view of a base in embodiment 1 of the present application.
Fig. 3 is a cross-sectional view of the base in embodiment 1 of the present application.
Fig. 4 is a cross-sectional view of the base in embodiment 2 of the present application.
The reference numerals are 1, an upper die, 11, a driving block, 2, a lower die, 21, a positioning column, 3, a base, 31, a positioning hole, 4, a guide groove, 41, a forming block, 42, a guide seat, 421, a groove, 5, a supporting block, 6, a rotating shaft, 61, a rocker arm, 7, a reset piece, 71, a nitrogen spring, 72, an iron block, 73, a magnetic block, 8 and a limit bolt.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a rocker arm type upward forming mechanism.
Example 1
Referring to fig. 1, a rocker arm type upward forming mechanism comprises an upper die 1 and a lower die 2, a base 3 is detachably connected to the lower die 2, a plurality of positioning holes 31 are formed in the surface of the base 3, four positioning columns 21 are installed at positions of the lower die 2 corresponding to the positioning holes 31 in this embodiment, the positioning columns 21 are in plug-in fit in the positioning holes 31, and an operator can accurately install the base 3 on the lower die 2 according to the positions of the positioning columns 21 so as to ensure the accuracy of an upward forming process.
Referring to fig. 1 and 2, a guide groove 4 is formed in a base 3, a forming block 41 for forming upwards is connected in a sliding manner in the guide groove 4, a driving block 11 for driving the forming block 41 to move upwards is fixedly mounted on the surface of an upper die 1, which is close to the base 3, a supporting block is fixedly mounted on the base 3, a rotating shaft 6 is arranged above the supporting block, the rotating shaft 6 is rotatably connected on the base 3 and is arranged between a guide seat 42 and the driving block 11, a rocker arm 61 is fixedly mounted on the outer surface of the rotating shaft 6, the rocker arm 61 is rotatably connected on the surface of the supporting block, one end of the rocker arm 61 is abutted against the lower surface of the driving block 11, and the other end of the rocker arm 61 is arranged below the forming block 41.
When the upper die 1 moves downwards to be matched with the lower die 2, the upper die 1 drives the driving block 11 to descend, the driving block 11 enables one end of the rocker arm 61 to descend, the rocker arm 61 rotates under the action of the rotating shaft 6, so that one end of the rocker arm 61, which is close to the forming block 41, moves upwards, the rocker arm 61 drives the forming block 41 to move towards the upper die 1, the forming block 41 is matched with the upper die 1 to realize extrusion forming on a workpiece, the effect of upward forming is realized, and an air cylinder is not required to be added in the lower die 2 in such a way, so that the design of the lower die 2 is simpler and more compact, and the manufacturing cost of the die is reduced.
The supporting block can support the rotating shaft 6 and the rocker arm 61, so that impact stress borne by the rocker arm 61 and the rotating shaft 6 is effectively dispersed, and the stability of the upward forming mechanism is further improved.
Referring to fig. 3, in order to further improve the stability of the upward movement of the forming block 41, a guide seat 42 is slidably connected in the guide groove 4, the top surface of the guide seat 42 is fixedly connected with the bottom surface of the forming block 41, a groove 421 is formed in one surface of the guide seat 42 away from the guide groove 4, and one end of the rocker arm 61, which is close to the guide groove 4, is always abutted against the top of the groove 421.
While the driving block 11 drives the rocker arm 61 to rotate, the end part of the rocker arm 61 abutting against the top of the groove 421 drives the guide seat 42 to ascend, the guide seat 42 ascends to drive the forming block 41 to ascend, and the arrangement of the guide seat 42 enables the active connection between the end part of the rocker arm 61 and the forming block 41 to be changed into hard connection, so that the ascending stability of the forming block 41 is improved, and the possibility that the forming block 41 is separated from the guide groove 4 is reduced.
Referring to fig. 3, in order to ensure the continuity of the upward molding process, a reset piece 7 is provided on the base 3, the reset piece 7 includes a nitrogen spring 71 detachably connected to the lower die 2, one end of the nitrogen spring 71 extends upward to penetrate through the guide groove 4, a top rod of the nitrogen spring 71 is fixedly connected with the bottom surface of the guide seat 42, and when the nitrogen spring 71 presents a natural state, the molding block 41 is disposed inside the guide groove 4.
The reset piece 7 comprises a nitrogen spring 71 which is connected to the lower die 2 through a limit bolt 8, one end of the nitrogen spring 71 extends upwards to penetrate through the guide groove 4, an output shaft of the nitrogen spring 71 is fixedly connected with the bottom surface of the guide seat 42, and when the nitrogen spring 71 is in a natural state, the forming block 41 is arranged inside the guide groove 4.
After the upward forming process is finished, the upper die 1 drives the driving block 11 to be far away from the rocker arm 61, the pressure of the driving block 11 to one end of the rocker arm 61 is cancelled, the ejector rod part of the nitrogen spring 71 is subjected to upward force to disappear, under the reset action of the nitrogen spring 71, the ejector rod of the nitrogen spring 71 pulls the guide seat 42 and the forming block 41 to move back into the guide groove 4, the end part of the rocker arm 61, which is close to the forming block 41, is lowered, the end part of the rocker arm 61, which is close to the driving block 11, is raised, and the rocker arm 61 is reset, so that the next upward forming process is ensured to be smoothly carried out.
The bottom surface of lower mould 2 is equipped with stop bolt 8, and stop bolt 8's one end upwards extends and passes lower mould 2 and nitrogen spring 71, and stop bolt 8 and nitrogen spring 71's bottom screw thread fit.
Fix nitrogen spring 71 between base 3 and lower mould 2 through stop bolt 8, guaranteed the accuracy of nitrogen spring 71 installation, operating personnel can make nitrogen spring 71 and lower mould 2 separation through dismantling stop bolt 8 simultaneously.
The implementation principle of the rocker arm type upward forming mechanism is that when an upper die 1 moves downwards to be matched with a lower die 2, the upper die 1 drives a driving block 11 to descend, the driving block 11 enables one end of a rocker arm 61 to descend, the rocker arm 61 rotates under the action of a rotating shaft 6, so that one end of the rocker arm 61 close to a forming block 41 moves upwards, the rocker arm 61 drives a guide seat 42 to move upwards through hard contact with a groove 421, the guide seat 42 drives the forming block 41 to move upwards, the forming block 41 is matched with the upper die 1 to realize extrusion forming on a workpiece, and therefore an upward forming effect is realized, and an air cylinder is not required to be added in the lower die 2, so that the design of the lower die 2 is simpler and more compact, and the manufacturing cost of the die is reduced;
After the upward forming process is finished, the upper die 1 drives the driving block 11 to be far away from the rocker arm 61, the pressure of the driving block 11 to one end of the rocker arm 61 is cancelled, the ejector rod part of the nitrogen spring 71 is subjected to upward force to disappear, under the reset action of the nitrogen spring 71, the ejector rod of the nitrogen spring 71 pulls the guide seat 42 and the forming block 41 to move back into the guide groove 4, the end part of the rocker arm 61, which is close to the forming block 41, is lowered, the end part of the rocker arm 61, which is close to the driving block 11, is raised, and the rocker arm 61 is reset, so that the next upward forming process is ensured to be smoothly carried out.
Example 2
Referring to fig. 4, the difference between this embodiment and embodiment 1 is that the reset element 7 includes an iron block 72, the iron block 72 is fixedly connected to the end surface of the guide holder 42 far away from the forming block 41, the iron block 72 is slidably connected in the guide groove 4, a magnetic block 73 for adsorbing the iron block 72 is fixedly mounted on the base 3, the magnetic block 73 is fixedly mounted on the end surface of the base 3 facing the guide holder 42, and the iron block 72 and the magnetic block 73 are in the same vertical direction.
The implementation principle of embodiment 2 is that, after the upward molding process is finished, the upper die 1 drives the driving block 11 to be far away from the rocker arm 61, the pressure of the driving block 11 to one end of the rocker arm 61 is cancelled, the abutting force of the rocker arm 61 to the guide seat 42 is eliminated, so that the upward force applied to the iron block 72 is eliminated, the iron block 72 is absorbed by the magnetic block 73 under the action of the magnetic block 73, so that the iron block 72 moves downwards in the guide groove 4, the iron block 72 pulls the guide seat 42 and the molding block 41 to move back into the guide groove 4, the end part of the rocker arm 61 close to the molding block 41 is lowered, the end part of the rocker arm 61 close to the driving block 11 is raised, and the rocker arm 61 is reset, so that the next upward molding process is ensured to be smoothly carried out.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (8)
1. The utility model provides a rocking arm formula upward forming mechanism, includes mould (1) and lower mould (2), be equipped with on lower mould (2) and be used for ascending fashioned shaping piece (41), a serial communication port, be equipped with base (3) in lower mould (2), guide slot (4) have been seted up on base (3), shaping piece (41) sliding arrangement is in guide slot (4), mould (1) bottom surface is equipped with driving block (11) on, it is connected with pivot (6) to rotate on base (3), pivot (6) surface fixedly connected with rocking arm (61), rocking arm (61) rotate and set up on base (3), one end butt of rocking arm (61) is in driving block (11) below, the other end butt is in shaping piece (41) below.
2. The rocker arm type upward forming mechanism according to claim 1, wherein a guide seat (42) is slidably connected in the guide groove (4), the bottom surface of the forming block (41) is connected to the top surface of the guide seat (42), a groove (421) is formed in one surface, close to the rotating shaft (6), of the guide seat (42), and one end of the rocker arm (61) is always abutted against the top of the groove (421).
3. The rocker arm type upward forming mechanism according to claim 2, wherein a supporting block (5) is arranged in the base (3), the supporting block (5) is arranged below the rotating shaft (6), and the surface of the supporting block (5) is tightly attached to the rocker arm (61).
4. A rocker arm type upward forming mechanism according to claim 3, wherein the base (3) is provided with a return member (7) for moving the forming block (41) back into the guide groove (4).
5. The rocker arm type upward forming mechanism according to claim 4, wherein the reset piece (7) is a nitrogen spring (71) arranged on the bottom surface of the base (3), an output shaft of the nitrogen spring (71) is connected with the bottom surface of the guide seat (42), and the forming block (41) is arranged inside the guide groove (4) when the nitrogen spring (71) is in a natural state.
6. The rocker arm type upward forming mechanism according to claim 5, wherein a limit bolt (8) is arranged on the bottom surface of the lower die (2), and the limit bolt (8) penetrates through the lower die (2) and the nitrogen spring (71) and is in threaded fit with the nitrogen spring (71).
7. The rocker arm type upward forming mechanism according to claim 5, wherein the reset piece (7) comprises an iron block (72) arranged on the bottom surface of the guide seat (42), the iron block (72) is slidably connected in the guide groove (4), a magnetic block (73) for adsorbing the iron block (72) is fixedly arranged on one surface of the base (3) facing the guide seat (42), and the iron block (72) and the magnetic block (73) are in the same vertical direction.
8. The rocker arm type upward forming mechanism according to claim 1, wherein a plurality of positioning columns (21) are arranged on the lower die (2), positioning holes (31) are formed in the base (3) at positions corresponding to the positioning columns (21), and the positioning columns (21) are in plug-in fit with the positioning holes (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420666326.7U CN222856400U (en) | 2024-04-01 | 2024-04-01 | A rocker-arm upward forming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420666326.7U CN222856400U (en) | 2024-04-01 | 2024-04-01 | A rocker-arm upward forming mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222856400U true CN222856400U (en) | 2025-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420666326.7U Active CN222856400U (en) | 2024-04-01 | 2024-04-01 | A rocker-arm upward forming mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN222856400U (en) |
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- 2024-04-01 CN CN202420666326.7U patent/CN222856400U/en active Active
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