CN214814007U - Time delay ejecting device - Google Patents
Time delay ejecting device Download PDFInfo
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- CN214814007U CN214814007U CN202023203013.9U CN202023203013U CN214814007U CN 214814007 U CN214814007 U CN 214814007U CN 202023203013 U CN202023203013 U CN 202023203013U CN 214814007 U CN214814007 U CN 214814007U
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- plate
- force transmission
- transmission rod
- die assembly
- nitrogen spring
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000010009 beating Methods 0.000 claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 13
- 230000003111 delayed effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Abstract
The utility model provides a time delay ejection device, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises a punch fixing structure and a material pressing structure which are sequentially and elastically connected in parallel from top to bottom, an upper nitrogen spring is arranged between the punch fixing structure and the material pressing structure, an outer force transmission rod and an inner force transmission rod are vertically arranged in parallel in the lower die assembly, the inner force transmission rod is arranged between a pair of outer force transmission rods, a pair of inner force transmission rod top contact sliding blocks and a bottom contact beating plate structure, and the outer force transmission rod is sleeved with the lower nitrogen spring; one side of the lower die assembly, which is far away from the upper die assembly, is provided with a striking plate structure, a side plate is arranged on the side surface of the striking plate structure in a penetrating way, and the side plate slides left and right in a striking plate structure groove under the action of the cylinder. The utility model discloses the structure is ingenious, and the operation is sensitive, with mould functioning speed phase-match, can provide the back and can delay time ejecting low price simple structure's time delay ejecting device again.
Description
Technical Field
The utility model mainly relates to a sheet metal blanking field especially relates to a time delay ejecting device.
Background
The structure aims at thin plate blanking, and the product with high requirements on the flatness and the dimensional tolerance of a final product is used for a thin plate blanking process, the blanking process which is not high in requirements on thick plate blanking or size is generally directly blanked, a die of a part does not need to provide reverse back pressure for the part in the blanking process, the surface of the part which is usually subjected to the action of a one-way blanking force is slightly arched, and when the thin plate or the part with irregular shape is blanked, the arch can be particularly protruded, so that the flatness and other related dimensional accuracy of the part are influenced.
Therefore, back pressure and time delay are often adopted in the stamping process of the parts, namely the parts can be ejected only when the punch head is released from the plate and the material leaves the female die side, otherwise the parts can be pressed back to be embedded into the plate, the appearance quality of the parts is influenced, and continuous safe production is also influenced, so the process is often completed by matching a hydraulic or pneumatic mode with electrical control in the industry, but the method has higher cost, the ejection speed is often difficult to control, abnormal sound is generated at too high speed, the service life of a die is influenced, the parts cannot be ejected timely at too low speed, the production rhythm is influenced,
therefore, it is necessary to develop a mold structure with low cost, proper reaction speed and complete functions.
Published chinese utility model patent, application No. CN201820879455.9, patent name: the utility model provides a mould time delay ejecting device who reduces deformation, application date: 2018-06-07, the utility model relates to a mould time delay ejector device with reduced deformation, comprising a thimble reset rod and a mould bottom plate, wherein the bottom end of the thimble reset rod passes through a guide through hole of the mould bottom plate and is fixed with a thimble cover plate, the bottom surface of the thimble cover plate is fixed with a common thimble fixing plate, the top surface of the thimble cover plate is formed with at least one stepped through hole, the diameter of the upper section of the stepped through hole is smaller than that of the lower section, a time delay thimble plug bush is arranged in the stepped through hole, a time delay thimble block plug bush arranged at the bottom end of the time delay thimble is arranged in the lower section of the stepped through hole, and a gap is formed between the top surface of the time delay thimble block and the top surface of the lower section of the stepped through hole; the die ejection mechanism can eject the part with large holding force of the product in advance when the die product is ejected, and the part with small holding force is ejected in a delayed manner, so that the deformation of the die product after ejection is in a reasonable range, the quality stability of the die casting product is improved, and the rejection rate of processing and assembly is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a time delay ejection device which is matched with the running speed of a mould, can provide back pressure and can delay ejection, has low price and simple structure, and comprises an upper mould component and a lower mould component, wherein the upper mould component comprises a punch fixing structure 1 and a material pressing structure 2 which are sequentially and elastically connected in parallel from top to bottom, an upper nitrogen spring 3 is arranged between the punch fixing structure 1 and the material pressing structure 2,
an outer force transmission rod 4 and an inner force transmission rod 5 are vertically arranged in parallel in the lower die assembly, the inner force transmission rod 5 is arranged between the pair of outer force transmission rods 4, the tops of the pair of inner force transmission rods 5 are in contact with sliding blocks 6, the bottoms of the pair of inner force transmission rods 5 are in contact with a striking plate structure 7, and a lower nitrogen spring 8 is sleeved on the outer force transmission rods 4;
one side that lower mould component kept away from last mould component is installed and is beaten board structure 7, the curb plate 9 is worn to be equipped with by the side of beating board structure 7, curb plate 9 slides about beating board structure 7 inslot under the effect of cylinder.
Preferably, the striking plate structure 7 comprises an upper striking plate 701 and a lower striking plate 702, the upper striking plate 701 and the lower striking plate 702 are connected through a discharging screw 10, and a striking plate nitrogen spring 11 is sleeved on the discharging screw 10;
the side of the upper beating plate 701 is provided with a guide groove 12, and a hole 14 is formed in the guide groove corresponding to the through hole 13 of the side plate.
Preferably, the side plate 9 is provided with a limit pin 15, a pair of limit pins 15 is vertically arranged at the left side and the right side of the upright post of the beating plate structure 7, and one side of the side plate 9 close to the upper beating plate 701 is conveyed to the hole 14.
Preferably, the outer force transmission rod 4 consists of an upper part and a lower part, and the lower part of the outer force transmission rod 4 is sleeved with a lower nitrogen spring 8.
Preferably, the punch fixing structure 1 comprises an upper die base 101, an upper backing plate 102 and an upper fixing plate 103 which are sequentially connected in parallel and elastically from top to bottom, the upper die base 101, the upper backing plate 102 and the upper fixing plate 103 are the first half section which can move in time along with the press, a punch 16 is fixedly arranged on one side, close to the upper backing plate 102, of the upper die base 101, and the punch 16 penetrates through the punch fixing structure 1.
Preferably, one side of the punch 16, which is far away from the punch fixing structure 1, further penetrates through the pressing structure 2, and the pressing structure 2 comprises a discharging backing plate and a discharging plate which are fixed from top to bottom to form a buffer section.
Preferably, the force of the upper nitrogen spring 3 is greater than the lower nitrogen spring 8.
The utility model has the advantages that: the structure is ingenious, the operation is sensitive, the mold running speed is matched, back pressure can be provided, and the delay ejection device with low price and simple structure can be ejected in a delayed manner.
Drawings
FIG. 1 is a structural diagram of step 1 in the present embodiment;
FIG. 2 is a structural diagram of step 2 in the present embodiment;
FIG. 3 is a structural diagram of step 3 in the present embodiment;
FIG. 4 is a structural diagram of step 4 in the present embodiment;
FIG. 5 is a structural diagram of step 5 in the present embodiment;
FIG. 6 is a structural diagram of step 6 in the present embodiment;
FIG. 7 is a structural diagram of step 7 in the present embodiment;
FIG. 8 is a structural diagram of step 8 in the present embodiment;
FIG. 9 is a structural diagram of step 9 in the present embodiment;
in the figure, the position of the upper end of the main shaft,
1. the punch fixing structure comprises a punch fixing structure 101, an upper die base 102, an upper backing plate 103 and an upper fixing plate; 2. a material pressing structure; 3. feeding a nitrogen spring; 4. an outer force transfer lever; 5. an inner dowel bar; 6. a slider; 7. A beating plate structure, 701, an upper beating plate, 702 and a lower beating plate; 8. a lower nitrogen spring; 9. a side plate; 10. a discharge screw; 11. a beating plate nitrogen spring; 12. a guide groove; 13. a hole; 14. a through hole; 15. a limit pin; 16. a punch; 17. raw materials.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-9, the present invention comprises: the device comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises a punch fixing structure 1 and a pressing structure 2 which are sequentially and elastically connected in parallel from top to bottom, an upper nitrogen spring 3 is arranged between the punch fixing structure 1 and the pressing structure 2,
an outer force transmission rod 4 and an inner force transmission rod 5 are vertically arranged in parallel in the lower die assembly, the inner force transmission rod 5 is arranged between the pair of outer force transmission rods 4, the tops of the pair of inner force transmission rods 5 are in contact with sliding blocks 6, the bottoms of the pair of inner force transmission rods 5 are in contact with a striking plate structure 7, and a lower nitrogen spring 8 is sleeved on the outer force transmission rods 4;
one side that lower mould component kept away from last mould component is installed and is beaten board structure 7, the curb plate 9 is worn to be equipped with by the side of beating board structure 7, curb plate 9 slides about beating board structure 7 inslot under the effect of cylinder.
In this embodiment, preferably, the striking plate structure 7 includes an upper striking plate 701 and a lower striking plate 702, the upper striking plate 701 and the lower striking plate 702 are connected by a discharging screw 10, and a striking plate nitrogen spring 11 is sleeved on the discharging screw 10;
the side of the upper beating plate 701 is provided with a guide groove 12, and a hole 14 is formed in the guide groove 12 corresponding to the through hole 13 of the side plate.
The structure is arranged, the beating plate structure is divided into an upper beating plate and a lower beating plate, the upper beating plate is provided with a guide groove and a hole, and the upper beating plate and the lower beating plate are connected through a spring and a discharging screw.
In this embodiment, preferably, the side plate 9 is provided with a pair of limit nails 15, the limit nails 15 are vertically arranged at the left and right sides of the upright post of the striking plate structure 7, and one side of the side plate 9 close to the upper striking plate 701 is conveyed to the hole 14.
By adopting the structure, the side plate is provided with two limit nails and a round hole, and can slide left and right in the groove of the upper beating plate under the action of the cylinder.
In the present embodiment, the outer force transmission rod 4 is preferably composed of an upper part and a lower part, and the lower part of the outer force transmission rod 4 is sleeved with a lower nitrogen spring 8.
With the above structure, the outer force transfer rod is composed of two parts, the lower force transfer rod is provided with a spring, and the spring keeps the outer force transfer rod at the top dead center position in a normal state.
In this implementation, preferably, the punch fixing structure 1 includes an upper die base 101, an upper padding plate 102 and an upper fixing plate 103 which are sequentially connected in parallel and elastically from top to bottom, and become the first half section which can move in time along with the press, a punch 16 is fixedly installed on one side of the upper die base 101 close to the upper padding plate 102, and the punch 16 penetrates through the punch fixing structure 1.
In this embodiment, preferably, the side of the punch 16 away from the punch fixing structure 1 further penetrates through the pressing structure 2, and the pressing structure 2 comprises a discharging backing plate and a discharging plate fixed from top to bottom to form a buffer section.
In this embodiment, the force of the upper nitrogen spring 3 is preferably greater than that of the lower nitrogen spring 8.
In use, the following movement processes are included:
step 1, initial position:
the side plate is positioned at the left side, and the inner and outer dowel bars, the striking plate and the sliding block are positioned at the upper dead point;
the descending stripper plate of the upper die part is contacted with the outer force transmission rod;
and step 7, continuing to open the mold: in the process of continuing die sinking, as the force of the upper nitrogen spring is far greater than that of the striking plate return spring, the part cannot move upwards even if the punch moves upwards all the time before the blanking stroke is reset, and the end of die sinking of the blanking stroke is known;
and step 8, continuing to open the mold: the raw material and the stripper plate are separated from the lower die part, and the outer force transmission rod, the inner force transmission rod and the knockout plate move upwards together to push out the punched part and reach the top dead center to complete the reset, thereby realizing the function of delayed ejection;
and 9, moving the side plate to the left for resetting:
and the subsequent blanking process is completed in a circulating reciprocating manner.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A time delay ejection device is characterized by comprising an upper die assembly and a lower die assembly, wherein the upper die assembly comprises a punch fixing structure (1) and a pressing structure (2) which are sequentially and elastically connected in parallel from top to bottom, an upper nitrogen spring (3) is arranged between the punch fixing structure (1) and the pressing structure (2),
an outer force transmission rod (4) and an inner force transmission rod (5) are vertically arranged in parallel in the lower die assembly, the inner force transmission rod (5) is arranged between the pair of outer force transmission rods (4), the tops of the pair of inner force transmission rods (5) are in contact with sliding blocks (6), the bottoms of the pair of inner force transmission rods are in contact with striking plate structures (7), and a lower nitrogen spring (8) is sleeved on the outer force transmission rods (4);
one side that lower mould component kept away from last mould component is installed and is beaten board structure (7), curb plate (9) are worn to be equipped with by the side of beating board structure (7), curb plate (9) are at beating board structure (7) inslot horizontal slip under the effect of cylinder.
2. The delayed ejector apparatus of claim 1, wherein: the striking plate structure (7) comprises an upper striking plate (701) and a lower striking plate (702), the upper striking plate (701) and the lower striking plate (702) are connected through a discharging screw (10), and a striking plate nitrogen spring (11) is sleeved on the discharging screw (10);
a guide groove (12) is formed in the side face of the upper beating plate (701), and a hole (14) is formed in the guide groove and corresponds to a through hole (13) of the side plate.
3. The delayed ejection device of claim 2, wherein: install stop pin (15) on curb plate (9), it is a pair of stop pin (15) set up the left and right sides at beater structure (7) stand from top to bottom, curb plate (9) are close to one side of beating board (701) and carry to there being hole (14).
4. The delayed ejector apparatus of claim 3, wherein: the outer force transmission rod (4) consists of an upper part and a lower part, and a lower nitrogen spring (8) is sleeved on the lower part of the outer force transmission rod (4).
5. The delayed ejector apparatus of claim 4, wherein: drift fixed knot constructs (1) and includes from last to down parallel elastic connection's upper die base (101), upper padding plate (102), upper fixed plate (103) in proper order become the first half section that can in time move along with the press, one side fixed mounting that upper die base (101) are close to upper padding plate (102) has drift (16), drift (16) are worn to establish drift fixed knot structure (1).
6. The delayed ejector apparatus of claim 5, wherein: the side of the punch (16) far away from the punch fixing structure (1) is also penetrated through the material pressing structure (2), and the material pressing structure (2) comprises a discharging backing plate and a discharging plate which are fixed from top to bottom to form a buffer section.
7. The delayed ejector apparatus of claim 6, wherein: the force of the upper nitrogen spring (3) is greater than that of the lower nitrogen spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023203013.9U CN214814007U (en) | 2020-12-25 | 2020-12-25 | Time delay ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023203013.9U CN214814007U (en) | 2020-12-25 | 2020-12-25 | Time delay ejecting device |
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| Publication Number | Publication Date |
|---|---|
| CN214814007U true CN214814007U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023203013.9U Active CN214814007U (en) | 2020-12-25 | 2020-12-25 | Time delay ejecting device |
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| CN (1) | CN214814007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669652A (en) * | 2020-12-25 | 2022-06-28 | 无锡科里斯特科技有限公司 | A delay ejection device |
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2020
- 2020-12-25 CN CN202023203013.9U patent/CN214814007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669652A (en) * | 2020-12-25 | 2022-06-28 | 无锡科里斯特科技有限公司 | A delay ejection device |
| CN114669652B (en) * | 2020-12-25 | 2025-03-25 | 无锡科里斯特科技有限公司 | A delayed ejection device |
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