CN212070162U - Flanging and ejecting device - Google Patents
Flanging and ejecting device Download PDFInfo
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- CN212070162U CN212070162U CN202020461936.5U CN202020461936U CN212070162U CN 212070162 U CN212070162 U CN 212070162U CN 202020461936 U CN202020461936 U CN 202020461936U CN 212070162 U CN212070162 U CN 212070162U
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- guide pillar
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Abstract
The utility model relates to a flanging and ejecting device, which comprises a base, wherein the base is provided with a first guide post hole which faces upwards, the second guide pillar hole, the groove or the platform is communicated with the first guide pillar hole, the first guide pillar is arranged in the first guide pillar hole in sliding fit, the first guide pillar comprises a bottom circumference section and an upper matching section, an axial limiting shaft shoulder is formed between the bottom circumference section and the upper matching section, the cross section of the upper matching section is in a U-arc shape, the first guide pillar is provided with a downward mounting hole, a compression first compression spring is mounted in the mounting hole, the lower end of the first compression spring acts on the bottom of the first guide pillar hole, the second guide pillar hole is a downward counter bore, the small diameter section of the counter bore is in sliding fit with the second guide pillar, a second compression spring is sleeved on the lower section of the second guide pillar, the limiting block and the upper end of the first guide pillar hole, which penetrates through the first guide pillar hole, and the upper end of the second guide pillar jointly support a transversely extending ejector block, and the compression elasticity of the first compression spring is larger than that of.
Description
Technical Field
The utility model relates to a mould field, concretely relates to turn-ups liftout device.
Background
In the prior art of computer stamping dies, when a shell is laterally flanged, after the lateral flanging of the shell is finished, a convex die is wrapped by the laterally flanged lower edge to generate a negative angle, the shell is wrapped on the die and is not easy to demould, a material returning structure is required to assist material returning, a conventional material returning device fixes a transversely extending material returning block at the upper end of a single compression guide pillar, and meanwhile, due to the limitation of die space, the material returning device in the die design needs smaller volume, the diameter of the guide pillar is smaller, the connecting structure strength of the material returning block and the top end of the guide pillar is lower, the lower edge of the end head of the material returning block extends to the bottom of the edge covering and applies material returning force to the shell, by adopting the structure, because the shell has larger material returning force, the shell applies larger bending moment to the material returning block, the whole material returning device is easy to swing under the action of the bending moment, the whole device is easy to be misplaced under the stamping production with larger strength, so that the, the connection structure of the ejector block and the top end of the guide pillar is easy to damage, and meanwhile, by adopting the structure, the guide pillar bears a large bending moment in the ejection process, so that the whole guide pillar is extremely uneven in stress, the guide pillar and the matched part of the sleeve are seriously worn, the precision is easily reduced, and even the clamping is caused, so that the whole ejection device is failed.
Disclosure of Invention
The utility model aims at prior art not enough, provide a turn-ups liftout device, it can improve the swing trend of liftout device, prevents that the connection structure on liftout piece and guide pillar top from destroying, can also improve the guide pillar life-span, practices thrift manufacturing cost.
The purpose of the utility model is realized like this: a flanging and ejecting device comprises a base, wherein a first guide pillar hole and a second guide pillar hole which face upwards are arranged on the base, an upward groove or a platform is arranged between the first guide pillar hole and the second guide pillar hole, a first guide pillar which is in sliding fit with the first guide pillar is arranged in the first guide pillar hole, the first guide pillar comprises a bottom circumferential section and an upper matching section, an axial limiting shaft shoulder is formed between the bottom circumferential section and the upper matching section, the cross section of the upper matching section is in a major arc shape, the first guide pillar is provided with a downward mounting hole, a first compression spring is mounted in the mounting hole, the upper end of the first compression spring acts on the bottom of the mounting hole of the first guide pillar, the lower end of the first compression spring acts on the bottom of the first guide pillar hole, the second guide pillar hole is a downward counter bore, a small-diameter section of the counter bore is in sliding fit with the second guide pillar, and the lower section of the second guide pillar extends into a large-diameter hole section of the counter bore, the lower section of the second guide pillar is sleeved with a second compression spring, the upper end of the second compression spring acts on the bottom of the large-diameter hole section, the lower end of the second compression spring acts on a spring limiting shaft shoulder on the lower section of the second guide pillar, a limiting block is detachably fixed on the groove or the platform, the limiting block penetrates through the first guide pillar hole, the side face, extending into the lateral direction, of the limiting block is in sliding fit with the side plane of the upper matching section, the upper ends of the first guide pillar and the second guide pillar jointly support a transversely extending jacking block, and the compression elasticity of the first compression spring is larger than the elasticity of the second compression spring.
The limiting block is of a cuboid structure and is fixed on the base through bolts and pins, and a plurality of holes for filling solid lubricants are formed in the side face, facing the first guide pillar, of the limiting block.
The outer side walls of the first guide pillar and the second guide pillar are provided with a plurality of holes for filling solid lubricant.
And a downward spring guide pillar is arranged at the bottom of the mounting hole of the first guide pillar.
The side wall of the base is provided with a radial locking hole, the side wall of the first guide pillar facing the locking hole is provided with a long hole, a radial locking screw is matched in the locking hole, and the inward extending end of the radial locking screw is in sliding fit with the long hole.
The end of the material ejecting block is provided with an upward extending section.
And the periphery of the base is provided with a mounting flange, and the mounting flange is provided with a mounting bolt hole.
Adopt above-mentioned scheme, beneficial effect as follows, under free state, first compression spring overcomes second compression spring's elasticity and upwards jacks up the ejector pad, and second compression spring applys a decurrent effort to the second guide pillar, when the ejector pad carries out the liftout, bordures and applys a decurrent effort to the ejector pad, uses first smooth top of leading as the benchmark, forms two bending moments respectively, and wherein the bending moment that the second guide pillar applyed to the first guide pillar top can offset the bending moment that some bordures and applyed to the first guide pillar top. By adopting the structure, the bending moment borne by the top end of the first guide pillar and the supporting structure of the ejection block can be effectively improved or even balanced, the swinging trend of the ejection device can be improved, the damage to the connecting structure of the ejection block and the top end of the main force application guide pillar is prevented, the structural strength of the whole ejection device can be effectively improved, meanwhile, for the first guide pillar, the bending moment borne by the first guide pillar is reduced, the condition of uneven local stress on the first guide pillar can be improved, the abrasion condition of the outer wall of the main force application guide pillar can be improved, the production cost is saved, and the production reliability is improved. In the process of ejecting the inclined wrapping edge, the supporting structure of the second guide pillar, the first guide pillar and the ejector block can overcome large horizontal rotation moment, and the reliability of the connecting structure between the ejector block and the guide pillar in the process of ejecting the material is guaranteed. When the die is punched, the advancing block of the upper die acts on the material ejecting block firstly to enable the whole material ejecting block to move downwards, the first compression spring compresses, when the punching is completed, the upper die moves upwards, and at the moment, the material ejecting block moves upwards under the action of the first compression spring to complete the material ejecting.
The invention will be further explained with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawing, 100 is a base, 200 is a first guide post hole, 210 is a first guide post, 211 is a bottom circumference section, 212 is an upper matching section, 213 is an axial limit shaft shoulder, 214 is a mounting hole, 215 is a first compression spring, 230 is a spring guide post, 240 is a long hole, 250 is a radial locking hole, 251 is a mounting flange, 300 is a second guide post hole, 310 is a large-diameter hole section, 410 is a second compression spring, 420 is a spring limit shaft shoulder, 500 is a fixed limit block, 600 is a liftout block, and 610 is an extension section.
Detailed Description
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the flanging and ejecting device comprises a base 100, wherein a mounting flange 251 is arranged on the periphery of the base 100, a mounting bolt hole is formed in the mounting flange, and the flange is conveniently connected with a die holder through a bolt. The base 100 is provided with a first guide post hole 200 and a second guide post hole 300 which face upwards, an upward groove or platform is arranged between the first guide post hole 200 and the second guide post hole 300, the groove can penetrate through the first guide post hole 200, a sliding fit first guide post 210 is arranged in the first guide post hole 200, the first guide post 210 comprises a bottom circumferential section 211 and an upper fit section 212, an axial limit shaft shoulder 213 is formed between the bottom circumferential section 211 and the upper fit section 212, when the first guide post 210 moves upwards to an upper limit position, the axial limit shaft shoulder 213 and a limit block 500 form a limit structure, the cross section of the upper fit section 212 is in a major arc shape, the first guide post 210 is provided with a downward mounting hole 214, the mounting hole 214 is provided with a compression first compression spring 215, the upper end of the first compression spring 215 acts on the bottom of the mounting hole 214 of the first guide post 210, the lower end of the first compression spring 215 acts on the bottom of the first guide post hole. The side wall of the base 100 can be provided with a radial locking hole 250, the side wall of the first guide pillar 210 facing the locking hole is provided with a long hole 240, the locking hole 250 is internally matched with a radial locking screw, and the inward extending end of the radial locking screw is in sliding fit with the long hole 240. The spring guide post 230 is disposed downward at the bottom of the mounting hole 214 of the first guide post 210, and the spring guide post 230 is disposed to guide the first compression spring 215. The second guide pillar hole 300 is a downward counter bore, the small diameter section of the counter bore is in sliding fit with the second guide pillar 400, the lower section of the second guide pillar 400 extends into the large diameter hole section 310 of the counter bore, the lower section of the second guide pillar 400 is sleeved with a second compression spring 410, the upper end of the second compression spring 410 acts on the bottom of the large diameter hole section, the lower end of the second compression spring 410 acts on a spring limiting shaft shoulder 420 on the lower section of the second guide pillar 400, a limiting block 500 is detachably fixed on the groove or the platform, the limiting block 500 is communicated with the first guide pillar hole 200, the side face of the limiting block 500 extending laterally is in sliding fit with the side plane of the upper matching section 212, and the limiting block 500 can also stop the first guide pillar; the limiting block 500 is fixed on the base 100 through bolts and pins, a plurality of holes for filling solid lubricant are formed in the side face, facing the first guide pillar 210, of the limiting block 500, and by means of the structure, the friction condition of the side face of the limiting block 500 can be effectively improved, the service life is prolonged, and resistance can be reduced. The upper ends of the first guide pillar 210 and the second guide pillar 400 jointly support a transversely extending ejector block 600, the end of the ejector block 600 is provided with an upward extending section 610, and the extending section is arranged to enable the ejector position to be higher than the upper plane of the ejector block 600, so that the ejector block 600 is convenient to arrange and avoid interference. The compression elasticity of the first compression spring 215 is larger than that of the second compression spring 410, so that the ejection block 600 can be ejected upwards.
Preferably, the outer side walls of the first guide post 210 and the second guide post 400 are provided with a plurality of holes for filling solid lubricant, and by adopting the structure, the friction condition of the guide posts can be effectively improved, the service life is prolonged, and the resistance can also be reduced.
When the scheme is adopted for punch forming of the die, the pilot block of the upper die firstly acts on the ejector block 600 to promote the whole ejector block 600 to descend, the first compression spring 215 compresses, when the punching is completed, the upper die ascends, at the moment, the ejector block 600 moves upwards under the action of the first compression spring 215, when the ejector block 600 ejects, the covering edge exerts a downward acting force on the ejector block 600, the first guide sliding top ends respectively form two bending moments, wherein the bending moment exerted on the top end of the first guide pillar 210 by the second guide pillar 400 can counteract a part of bending moment exerted on the top end of the first guide pillar 210 by the covering edge and even balance the bending moment exerted on the top end of the first guide pillar 210, the bending moment borne on the top end of the first guide pillar 210 and the supporting structure of the ejector block 600 can be effectively improved and even balanced, the swinging trend of the ejector device can be improved, the damage to the connecting structure of the ejector block 600 and the top end of the guide pillar, meanwhile, for the first guide pillar 210, the bending moment applied to the first guide pillar 210 is reduced, so that the condition of uneven local stress on the first guide pillar 210 can be improved, the abrasion condition of the outer wall of the guide pillar can be improved, the production cost is saved, and the production reliability is improved.
Claims (7)
1. The utility model provides a turn-ups liftout device, includes base (100), its characterized in that: the base (100) is provided with a first guide post hole (200) and a second guide post hole (300) which face upwards, an upward groove or a platform is arranged between the first guide post hole (200) and the second guide post hole (300), a first guide post (210) in sliding fit is arranged in the first guide post hole (200), the first guide post (210) comprises a bottom circumferential section (211) and an upper matching section (212), an axial limiting shaft shoulder (213) is formed between the bottom circumferential section (211) and the upper matching section (212), the cross section of the upper matching section (212) is in a major arc shape, the first guide post (210) is provided with a downward mounting hole (214), a first compression spring (215) is mounted in the mounting hole (214), the upper end of the first compression spring (215) acts on the bottom of the mounting hole (214) of the first guide post (210), and the lower end of the first compression spring (215) acts on the bottom of the first guide post hole, the second guide post hole (300) is a downward counter bore, the small diameter section of the counter bore is in sliding fit with the second guide post (400), the lower section of the second guide post (400) extends into the large diameter hole section (310) of the counter bore, the lower section of the second guide post (400) is sleeved with a second compression spring (410), the upper end of the second compression spring (410) acts on the bottom of the large diameter hole section, the lower end of the second compression spring (410) acts on a spring limiting shaft shoulder (420) on the lower section of the second guide post (400), a limiting block (500) is detachably fixed on the groove or the platform, the limiting block (500) penetrates through the first guide post hole (200), the side face of the limiting block (500) extending in the lateral direction is in sliding fit with the side face of the upper matching section (212), and the upper ends of the first guide post (210) and the second guide post (400) jointly support a transversely extending jacking block (600), the first compression spring (215) has a compression elastic force greater than that of the second compression spring (410).
2. The flanging and ejecting device of claim 1, which is characterized in that: the limiting block is of a cuboid structure, the limiting block (500) is fixed on the base (100) through bolts and pins, and a plurality of holes for filling solid lubricants are formed in the side face, facing the first guide pillar (210), of the limiting block (500).
3. The flanging and ejecting device of claim 1, which is characterized in that: the outer side wall of the first guide post (210) and the second guide post (400) is provided with a plurality of holes for filling solid lubricant.
4. The flanging and ejecting device of claim 3, characterized in that: and a downward spring guide post (230) is arranged at the bottom of the mounting hole (214) of the first guide post (210).
5. The flanging and ejecting device of claim 1, which is characterized in that: the side wall of the base (100) is provided with a radial locking hole (250), the side wall of the first guide pillar (210) facing the locking hole is provided with a long hole (240), the locking hole (250) is internally matched with a radial locking screw, and the inward extending end of the radial locking screw is in sliding fit with the long hole (240).
6. The flanging and ejecting device of claim 1, which is characterized in that: the end of the ejector block (600) is provided with an upward extension section (610).
7. The flanging and ejecting device of claim 1, which is characterized in that: and a mounting flange (251) is arranged on the periphery of the base (100), and a mounting bolt hole is arranged on the mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461936.5U CN212070162U (en) | 2020-04-01 | 2020-04-01 | Flanging and ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461936.5U CN212070162U (en) | 2020-04-01 | 2020-04-01 | Flanging and ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212070162U true CN212070162U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020461936.5U Active CN212070162U (en) | 2020-04-01 | 2020-04-01 | Flanging and ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212070162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474515A (en) * | 2021-12-09 | 2022-05-13 | 煤炭科学技术研究院有限公司 | Flat vulcanizing forming machine capable of realizing distance control |
-
2020
- 2020-04-01 CN CN202020461936.5U patent/CN212070162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474515A (en) * | 2021-12-09 | 2022-05-13 | 煤炭科学技术研究院有限公司 | Flat vulcanizing forming machine capable of realizing distance control |
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