CN221289374U - Nonlinear precise stamping die for metal materials - Google Patents
Nonlinear precise stamping die for metal materials Download PDFInfo
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- CN221289374U CN221289374U CN202322958854.8U CN202322958854U CN221289374U CN 221289374 U CN221289374 U CN 221289374U CN 202322958854 U CN202322958854 U CN 202322958854U CN 221289374 U CN221289374 U CN 221289374U
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- stamping
- die
- top surface
- plate
- punching
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- 239000007769 metal material Substances 0.000 title claims abstract description 32
- 238000004080 punching Methods 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of metal material precision stamping, in particular to a metal material nonlinear precision stamping die, which has the technical scheme that: the punching device comprises a base, and is characterized in that round holes penetrating through the punching plate are formed in four corners of the top surface of the punching plate, hydraulic cylinders are fixedly arranged in four corners of the top surface of the base, push rods are inserted into one ends, far away from the base, of the hydraulic cylinders, the upper ends of the push rods upwards extend out of the hydraulic cylinders and are inserted into the round holes in the four corners of the punching plate, and a secondary punching device is arranged on the top surface of the punching plate, and has the beneficial effects that: the upper die is driven to slowly extrude the metal raw materials downwards, so that air in the upper die and air in the lower die are completely discharged, when the stroke block of the upper die is finished, the upper die rapidly and downwards completes the last stroke through the rapid impact of the secondary punching device, so that the problem that the produced spherical part is reduced in precision due to the fact that empty drums are generated in the punching die is solved, redundant materials can be rapidly cut off, and the surface of the punched spherical part is free of punching joint.
Description
Technical Field
The utility model relates to the technical field of metal material precision stamping, in particular to a metal material nonlinear precision stamping die.
Background
The metal material stamping die is a tool for plastically deforming metal materials in the metal processing process, can be designed and manufactured according to specific application requirements and part shapes, plays a key role in the metal processing industry, is widely applied to the fields of automobile manufacturing, electronic equipment, household appliances and the like, and can ensure improvement of product quality and production efficiency by precision design and manufacturing of the stamping die.
The prior art has the following defects: the traditional metal material stamping die, when stamping spherical parts, because the inner wall of the die is arc-shaped, if the stamping speed is too fast, the air in the die cannot be discharged in time, so that empty drums are easily generated in the stamping die, the surface of the stamped spherical parts is uneven, the precision of the produced spherical parts is reduced, and because the metal material has certain ductility, redundant materials can overflow from the joint of the die when the metal material is extruded, if the stamping speed is too slow, the upper die and the lower die can not cut off the redundant materials rapidly, so that an obvious stamping joint is generated on the surface of the stamped spherical parts, and the quality of the stamped spherical parts is unqualified.
Therefore, it is necessary to invent a metal material nonlinear precision stamping die.
Disclosure of utility model
Therefore, the utility model provides a metal material nonlinear precision stamping die, which is characterized in that a metal raw material is placed in a lower die, an upper die is driven to slowly extrude the metal raw material downwards, so that air in the upper die and air in the lower die are completely discharged, when a stroke block of the upper die is finished, the upper die rapidly and downwards complete the last stroke through a secondary stamping device, so that the problems that when a spherical part is stamped by the traditional metal material stamping die, if the stamping speed is too high, empty drums are easily generated in the stamping die, the precision of the produced spherical part is reduced, and if the stamping speed is too low, the upper die and the lower die cannot rapidly cut off excessive materials, and an obvious stamping seam is generated on the surface of the stamped spherical part are solved.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a nonlinear precision stamping die of metal material, includes base and punching press board, the punching press board sets up directly over the base, punching press board top surface four corners is provided with the round hole that runs through the punching press board, base top surface four corners fixed mounting has the pneumatic cylinder, the one end that the base was kept away from to the pneumatic cylinder inserts and installs the push rod, the push rod upper end upwards stretches out the pneumatic cylinder and inserts and install in the round hole in punching press board four corners, secondary stamping device is installed to punching press board top surface, secondary stamping device can strike the punching press board and make its downstream carry out secondary punching press.
Preferably, the secondary stamping device comprises a turntable, the turntable is arranged on the top surface of the stamping plate, a chute is arranged on the outer edge of the bottom surface of the turntable, the chute is an annular groove, the bottom surface of the chute is arranged into an uneven curved surface, and the protruding part of the bottom surface of the chute can prop against the upper end of the push rod to enable the upper end of the push rod to be unable to penetrate through a round hole of the stamping plate and extend to the upper part of the stamping plate.
Preferably, the motor of the secondary stamping device is fixedly arranged at the center of the top surface of the stamping plate, a round groove is formed in the center of the bottom surface of the rotary table, the motor is arranged in the round groove in the center of the bottom surface of the rotary table, one end, far away from the top surface of the stamping plate, of the motor is an output end, and the output end of the motor is fixedly connected with the top surface of the inner wall of the round hole in the bottom surface of the rotary table.
Preferably, the secondary stamping device comprises a top plate, the top plate is arranged right above the turntable, guide rods are fixedly arranged at four corners of the bottom surface of the top plate, the guide rods extend downwards to the top surface of the turntable, and one end, far away from the top plate, of the guide rods is fixedly connected with the top surface of the turntable.
Preferably, the secondary stamping device comprises a punch, the punch is arranged between the top plate and the turntable, round holes penetrating through the punch are formed in four corners of the top surface of the punch, the round holes of the punch are sleeved on the outer wall of the guide rod, and the punch can slide up and down along the guide rod.
Preferably, the secondary stamping device comprises an electromagnet, the electromagnet is fixedly arranged in the center of the top surface of the top plate, and the bottom surface of the electromagnet penetrates through the top surface of the top plate and extends to the bottom surface of the top plate.
Preferably, an upper die is fixedly arranged in the center of the bottom surface of the stamping plate, a lower die is fixedly arranged on the top surface of the base, and the upper die and the lower die can be spliced together.
The beneficial effects of the utility model are as follows: the metal raw material is put into the lower die, the upper die is driven to slowly extrude the metal raw material downwards, so that air in the upper die and air in the lower die are completely discharged, when the stroke block of the upper die is finished, the upper die rapidly and downwards completes the last stroke through the rapid impact of the secondary punching device, the effect of using the nonlinear two-stroke punching die is achieved, the phenomenon that empty drums are generated in the punching die is avoided, the precision of the produced spherical part is reduced, redundant materials can be rapidly cut off, and the surface of the punched spherical part is free of punching joint.
Drawings
FIG. 1 is a front view of a nonlinear precision stamping die for metal materials provided by the utility model;
FIG. 2 is a cross-sectional view of a non-linear precision stamping die for metallic materials provided by the utility model;
FIG. 3 is a schematic diagram showing a first stroke completion state of a non-linear precision stamping die for metal materials according to the present utility model;
FIG. 4 is a schematic diagram showing a second stroke completion state of a non-linear precision stamping die for metal materials according to the present utility model;
Fig. 5 is a sectional view of a turntable of a nonlinear precision stamping die for metal materials.
In the figure: base 11, lower mould 12, punching press board 13, upper mould 14, pneumatic cylinder 15, push rod 16, carousel 21, spout 22, guide arm 23, drift 24, roof 25, electro-magnet 26, motor 27.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1
As shown in fig. 1 to 4, a nonlinear precision stamping die for metal materials in an embodiment of a first aspect of the present utility model includes a base 11 and a stamping plate 13, the stamping plate 13 is disposed directly above the base 11, round holes penetrating the stamping plate 13 are formed in four corners of a top surface of the stamping plate 13, hydraulic cylinders 15 are fixedly mounted at four corners of the top surface of the base 11, a push rod 16 is inserted into one end of the hydraulic cylinder 15 away from the base 11, an upper end of the push rod 16 extends upwards out of the hydraulic cylinder 15 and is inserted into the round holes mounted at four corners of the stamping plate 13, and a secondary stamping device is mounted on the top surface of the stamping plate 13 and is capable of impacting the stamping plate 13 to move downwards for secondary stamping.
In the above embodiment, it should be noted that, the base 11 is a metal base, the punching plate 13 is an alloy plate with impact resistance, the push rod 16 is a metal push rod, the sum of the length of the inner wall of the hydraulic cylinder 15 and the thickness of the punching plate 13 is smaller than the length of the push rod 16, the push rod 16 cannot be completely retracted into the hydraulic cylinder 15, the metal raw material is placed on the base 11, the hydraulic cylinder 15 drives the push rod 16 to drive the punching plate 13 to slowly press the metal raw material downwards, so that the air in the upper die and the lower die is completely discharged, the first stroke is completed, the upper die is rapidly impacted by the secondary punching device, the second stroke is rapidly completed downwards, so that the effect of using the nonlinear two-section stroke punching die is achieved, the blank in the punching die is avoided, the precision of the produced spherical part is reduced, the redundant material can be rapidly cut off, and the surface of the punched spherical part has no punching joint.
Example 2
As shown in fig. 1-5, a nonlinear precision stamping die for metal materials comprises the whole content of embodiment 1, in addition, the secondary stamping device comprises a turntable 21, the turntable 21 is arranged on the top surface of a stamping plate 13, a chute 22 is arranged on the outer edge of the bottom surface of the turntable 21, the chute 22 is an annular groove, the bottom surface of the chute 22 is provided with an uneven curved surface, the protruding part of the bottom surface of the chute 22 can prop against the upper end of a push rod 16, so that the upper end of the push rod 16 cannot penetrate through a round hole of the stamping plate 13 and extend to the upper side of the stamping plate 13, a motor 27 of the secondary stamping device is fixedly arranged in the center of the top surface of the stamping plate 13, a round groove is formed in the center of the bottom surface of the turntable 21, one end, away from the top surface of the stamping plate 13, of the motor 27 is an output end, and the output end of the motor 27 is fixedly connected with the top surface of the inner wall of the round hole of the bottom surface of the turntable 21.
In the above embodiment, it should be noted that, the turntable 21 is a metal turntable, when the hydraulic cylinder 15 drives the push rod 16 to drive the pressing plate 13 to slowly and downwardly perform the first stroke, the raised portion of the bottom surface of the sliding groove 22 abuts against the upper end of the push rod 16, when the first stroke is finished, the turntable 21 is driven by the starting motor 27 to rotate, the recessed portion of the bottom surface of the sliding groove 22 is driven by the turntable 21 to move above the push rod 16, so as to achieve the effect of enabling the pressing plate 13 to continue to downwardly move, and after the second stroke is finished, the turntable 21 is driven by the starting motor 27 to rotate, the raised bottom surface of the sliding groove 22 pushes the upper end of the push rod 16 back into the round hole of the pressing plate 13, so as to achieve the effect of lifting the pressing plate 13 to the initial state.
Example 3
As shown in fig. 1 and 2, a nonlinear precision stamping die for metal materials comprises the whole content of embodiment 2, in addition, the secondary stamping device comprises a top plate 25, the top plate 25 is arranged right above a turntable 21, guide rods 23 are fixedly arranged at four corners of the bottom surface of the top plate 25, the guide rods 23 extend downwards to the top surface of the turntable 21, one end, far away from the top plate 25, of the guide rods 23 is fixedly connected with the top surface of the turntable 21, the secondary stamping device comprises a punch 24, the punch 24 is arranged between the top plate 25 and the turntable 21, round holes penetrating through the punch 24 are formed at four corners of the top surface of the punch 24, the round holes of the punch 24 are sleeved and arranged on the outer wall of the guide rods 23, the punch 24 can slide up and down along the guide rods 23, the secondary stamping device comprises electromagnets 26, the electromagnets 26 are fixedly arranged in the center of the top surface of the top plate 25, and the bottom surfaces of the electromagnets 26 penetrate through the top surface of the top plate 25 and extend to the bottom surface of the top plate 25.
In the above embodiment, it should be noted that, the top plate 25 is a metal top plate, the guide rod 23 is a metal guide rod, the punch 24 is a metal block with a very large weight, when the electromagnet 26 is energized, the electromagnet 26 attracts the punch 24, the punch 24 is located at the upper end of the guide rod 23, when the concave portion of the bottom surface of the chute 22 moves above the push rod 16 after the first stroke is finished, the electromagnet 26 is de-energized, the punch 24 is impacted by the impact of weight by rapidly dropping along the guide rod 23 to the turntable 21, and the turntable 21 pushes the punch plate 13 to rapidly drop, so as to achieve the effect of completing the second stroke.
Example 4
As shown in fig. 1 to 4, a nonlinear precision stamping die for metal materials includes the whole contents of embodiment 1, in addition, an upper die 14 is fixedly installed in the center of the bottom surface of the stamping plate 13, a lower die 12 is fixedly installed on the top surface of the base 11, and the upper die 14 and the lower die 12 can be spliced together.
In the above embodiment, the upper die 14 and the lower die 12 are made of impact-resistant metal, the metal material is placed in the lower die 12, the pressing plate 13 pushes the upper die 14 to approach the lower die 12 slowly when the first stroke is performed, the upper die 14 is not in contact with the lower die 12 when the first stroke is completed, the pressing plate 13 pushes the upper die 14 to move downward rapidly when the second stroke is performed, and the upper die 14 and the lower die 12 are completely closed when the second stroke is completed.
The application process of the utility model is as follows: the person skilled in the art places the metal raw material in the lower die 12, starts the hydraulic cylinder 15 to drive the push rod 16 to drive the stamping plate 13 to slowly descend, the stamping plate 13 pushes the upper die 14 to slowly approach the lower die 12 and extrudes the metal raw material, the air in the upper die 14 and the lower die 12 is completely discharged, then starts the motor 27 to drive the rotary table 21 to rotate, the rotary table 21 drives the concave part of the bottom surface of the chute 22 to move above the push rod 16, finally the electromagnet 26 is powered off, the punch 24 is rapidly dropped along the guide rod 23 under the influence of weight to strike the rotary table 21, the rotary table 21 pushes the stamping plate 13 to rapidly descend, and the stamping plate 13 pushes the upper die 14 to rapidly descend to finish the stamping of the spherical part.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (7)
1. The utility model provides a nonlinear precision stamping die of metal material, includes base (11) and punching press board (13), punching press board (13) set up directly over base (11), punching press board (13) top surface four corners is provided with the round hole that runs through punching press board (13), base (11) top surface four corners fixed mounting has pneumatic cylinder (15), one end that base (11) were kept away from to pneumatic cylinder (15) inserts and installs push rod (16), push rod (16) upper end upwards stretches out pneumatic cylinder (15) and inserts to install in the round hole in punching press board (13) four corners, its characterized in that: the top surface of the stamping plate (13) is provided with a secondary stamping device, and the secondary stamping device can impact the stamping plate (13) to enable the stamping plate to move downwards for secondary stamping.
2. The metal material nonlinear precision stamping die as defined in claim 1, wherein: the secondary stamping device comprises a rotary table (21), the rotary table (21) is arranged on the top surface of the stamping plate (13), a chute (22) is arranged on the outer edge of the bottom surface of the rotary table (21), the chute (22) is an annular groove, the bottom surface of the chute (22) is arranged to be an uneven curved surface, and the protruding portion of the bottom surface of the chute (22) can prop against the upper end of the push rod (16) to enable the upper end of the push rod (16) to be unable to penetrate through a round hole of the stamping plate (13) and extend to the upper portion of the stamping plate (13).
3. The metal material nonlinear precision stamping die according to claim 2, wherein: the secondary punching device motor (27), motor (27) fixed mounting is in punching press board (13) top surface central authorities, carousel (21) bottom surface central authorities are provided with the circular slot, motor (27) set up in carousel (21) bottom surface central authorities's circular slot, the one end that punching press board (13) top surface was kept away from to motor (27) is the output, motor (27) output and the round hole inner wall top surface fixed connection of carousel (21) bottom surface.
4. The metal material nonlinear precision stamping die according to claim 2, wherein: the secondary stamping device comprises a top plate (25), the top plate (25) is arranged right above the turntable (21), guide rods (23) are fixedly arranged at four corners of the bottom surface of the top plate (25), the guide rods (23) extend downwards to the top surface of the turntable (21), and one end, far away from the top plate (25), of each guide rod (23) is fixedly connected with the top surface of the turntable (21).
5. The non-linear precision stamping die for metal materials according to claim 4, wherein: the secondary stamping device comprises a punch (24), wherein the punch (24) is arranged between a top plate (25) and a turntable (21), round holes penetrating through the punch (24) are formed in four corners of the top surface of the punch (24), the round holes of the punch (24) are sleeved on the outer wall of a guide rod (23), and the punch (24) can slide up and down along the guide rod (23).
6. The non-linear precision stamping die for metal materials according to claim 5, wherein: the secondary stamping device comprises an electromagnet (26), wherein the electromagnet (26) is fixedly arranged in the center of the top surface of the top plate (25), and the bottom surface of the electromagnet (26) penetrates through the top surface of the top plate (25) and extends to the bottom surface of the top plate (25).
7. The metal material nonlinear precision stamping die as defined in claim 1, wherein: an upper die (14) is fixedly arranged in the center of the bottom surface of the stamping plate (13), a lower die (12) is fixedly arranged on the top surface of the base (11), and the upper die (14) and the lower die (12) can be spliced together.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221289374U true CN221289374U (en) | 2024-07-09 |
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| GR01 | Patent grant |