CN220144600U - Ejection mechanism of spinning die - Google Patents
Ejection mechanism of spinning die Download PDFInfo
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- CN220144600U CN220144600U CN202321620742.5U CN202321620742U CN220144600U CN 220144600 U CN220144600 U CN 220144600U CN 202321620742 U CN202321620742 U CN 202321620742U CN 220144600 U CN220144600 U CN 220144600U
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- ejector
- connecting block
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- 238000009987 spinning Methods 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of spinning, in particular to an ejection mechanism of a spinning die, which can uniformly stress a workpiece in the ejection process, prevents the workpiece from deforming in the ejection process and has high reliability and practicability; the device comprises a die, a pressing block and a top shaft, wherein the top shaft is rotationally connected with the pressing block; the mold is provided with a plurality of groups of left and right communicated through holes, the plurality of groups of ejector rods are respectively and horizontally slidably arranged in the plurality of groups of through holes of the mold, the left end faces of the plurality of groups of ejector rods and the left end face of the mold form a molding surface, the right ends of the plurality of groups of ejector rods are fixedly arranged on the connecting plate, the connecting plate is arranged on the ejection device, and the ejection device has the function of enabling the connecting plate to move left and right.
Description
Technical Field
The utility model relates to the technical field of spinning, in particular to an ejection mechanism of a spinning die.
Background
The spinning is to fix the flat blank on the mold of the spinning machine, then to drive the mold to rotate by the machine tool spindle, and to drive the blank to rotate by the mold, and to press the blank by the spinning wheel or the driving rod, so that the end face of the blank is gradually tightly attached to the mold to generate plastic deformation. After spinning processing is finished, the formed workpiece can be tightly adhered to a die and is difficult to directly take off, so that an ejection mechanism is needed to push the workpiece down on the die, and a worker is assisted to take off the workpiece on the spinning die.
In the prior art, the spinning machine with the patent application number of 202121793267.2 mainly comprises a die and a jacking piece, wherein an ejection rod is arranged on the die; when the die is used, the flat plate blank is tightly propped against the die through the propping piece, then the machine tool drives the die and the blank to rotate, then the rotating wheel is used for pressing the blank, the blank is gradually tightly stuck to the die in the rotating process, and then the processed blank is propped up and down on the end face of the die through the ejection rod.
The workpiece ejection device has the advantages that in the use process, when the workpiece is ejected up and down on the die, ejection force is applied to the workpiece only by virtue of one end face on the ejection rod, in the ejection process of the workpiece, the stress on each part of the workpiece is uneven, the workpiece is easy to deform in the ejection process, the dimensional accuracy is reduced, and the use is inconvenient.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the ejection mechanism of the spinning die, which can uniformly stress the workpiece in the ejection process, prevents the workpiece from deforming in the ejection process and has high reliability and practicability.
The ejection mechanism of the spinning die comprises a die, a pressing block and a jacking shaft, wherein the jacking shaft is rotationally connected with the pressing block; the left end of the die is provided with a molding surface, a plurality of groups of left and right communicated through holes are arranged on the die, the plurality of groups of ejector rods are respectively arranged in the plurality of groups of through holes of the die in a left-right sliding mode, the left end surfaces of the plurality of groups of ejector rods and the left end surfaces of the die form the molding surface, the right ends of the plurality of groups of ejector rods are fixedly arranged on the connecting plate, the connecting plate is arranged on the ejection device, and the ejection device has the function of enabling the connecting plate to move left and right; when a flat blank is spun, firstly, the right end of the flat blank is contacted with the left end of a die, then, a machine tool drives a jacking shaft and a pressing block to move rightwards, the pressing block is used for pressing the blank on the die, then, the machine tool drives the die to rotate, the die drives the blank to rotate, meanwhile, a spinning wheel is used for applying pressure to the blank, the right end face of the blank is gradually stuck on a molding surface of the die, when the processed blank is required to be taken down on the die, firstly, the pressing block and the jacking shaft are moved leftwards, then, a connecting plate is used for driving a plurality of groups of jacking rods to move leftwards through an ejection device, and the plurality of groups of jacking rods jack the spun blank under the die in the leftward moving process; when the workpiece is ejected from the die, the plurality of groups of ejector rods simultaneously apply leftward ejection force to the workpiece, so that the workpiece can be uniformly stressed in the ejection process, the workpiece is prevented from deforming in the ejection process, and the reliability is improved.
Preferably, the ejection device comprises a moving device and a limiting mechanism, wherein the moving device is connected with the connecting plate and is used for moving the connecting plate, and the limiting device limits the moving distance of the moving device; after the workpiece is ejected, the plurality of groups of ejector rods are moved rightwards to the right part of the die, then the moving device is used for pushing the connecting plate and the plurality of groups of ejector rods to move leftwards, and when the left end faces of the plurality of groups of ejector rods are flush with the left end face of the die, the limiting device stops moving the moving device.
Preferably, the moving device comprises a rotating shaft, a connecting block, a push rod, a hydraulic cylinder, a bracket and a bottom plate, wherein the connecting plate is fixedly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the connecting block, the rotating shaft is coaxial with the top shaft, the connecting block is fixedly arranged on the push rod, the right end of the push rod is connected with the output end of the hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the bottom plate through the bracket, the limiting mechanism is arranged on the bottom plate and the connecting block, and the limiting mechanism is used for limiting the movement of the connecting block; when a workpiece is jacked up and down on a die, firstly, a plurality of groups of ejector rods are moved to the right side of the die, then, the plurality of groups of ejector rods are moved to the left side of the die, at the moment, part of air is arranged on the left side of the plurality of groups of ejector rods, the plurality of groups of ejector rods are continuously moved to the left side, and the workpiece is jacked up and down on the die by the plurality of groups of ejector rods; the workpiece is conveniently jacked up and down on the die, so that convenience is improved; the hydraulic cylinder is opened, and the connecting block is driven by the hydraulic cylinder to move left and right through the push rod, so that the connecting plate can drive the plurality of groups of ejector rods to move left and right through the rotating shaft.
Preferably, the limiting mechanism comprises a fixed plate, a limiting plate and a lifting device, wherein the fixed plate is arranged on the connecting block through the lifting device, the limiting plate is fixedly arranged on the bottom plate, the left end face of the fixed plate is in contact with the right end face of the limiting plate, and the lifting device is used for lifting the fixed plate; when the workpiece is ejected, the lifting device drives the fixed plate to move to the upper part of the limiting plate, at the moment, the left and right movement of the plurality of groups of ejector rods is not limited, when the workpiece is ejected up and down on the die, after the plurality of groups of ejector rods move leftwards, the lifting device drives the fixed plate to move downwards until the lower part of the fixed plate is positioned on the right side of the limiting plate, at the moment, after the fixed plate moves leftwards to be in contact with the end face of the limiting plate, the left ends of the plurality of groups of ejector rods and the left end of the die form a molding surface, and convenience is improved.
Preferably, the lifting device comprises a screw rod and a sliding rod, the screw rod is screwed with the connecting block, the lower end of the screw rod is rotationally connected with the fixed plate, the sliding rod is vertically and slidably arranged on the connecting block, and the fixed plate is fixedly arranged at the lower end of the sliding rod; when the height of the fixed plate is adjusted, the screw rod is rotated, and the rotated screw rod drives the fixed plate to adjust the height; the convenience is improved.
Preferably, a dust cover is arranged on the hydraulic cylinder; through the arrangement, the cleanliness of the hydraulic cylinder is improved.
Preferably, a handle is arranged on the screw; the screw rod is convenient to rotate.
Compared with the prior art, the utility model has the beneficial effects that: the workpiece can be uniformly stressed in the ejection process, so that the workpiece is prevented from deforming in the ejection process, and the reliability and the practicability are high.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 2 is a schematic view of the structure of the top shaft, mold, web, etc.;
FIG. 3 is a schematic view of the structure of the press block, the die, the top shaft, etc.;
FIG. 4 is a schematic view of the structure of FIG. 1, partially enlarged at A;
FIG. 5 is a schematic diagram of the front view of the present utility model;
the reference numerals in the drawings: 1. a mold; 2. briquetting; 3. a top shaft; 4. a push rod; 5. a connecting plate; 7. a rotating shaft; 8. a connecting block; 9. a push rod; 10. a hydraulic cylinder; 11. a bracket; 12. a bottom plate; 13. a fixing plate; 14. a limiting plate; 15. a screw; 16. a sliding rod.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 5, the ejection mechanism of the spinning die of the utility model comprises a die 1, a pressing block 2, a top shaft 3, a plurality of groups of ejector rods 4, a connecting plate 5 and an ejection device, wherein the top shaft 3 is rotationally connected with the pressing block 2, the left end of the die 1 is provided with a forming surface, a plurality of groups of through holes which are communicated left and right are arranged on the die 1, the plurality of groups of ejector rods 4 are respectively arranged in the plurality of groups of through holes of the die 1 in a sliding manner, the forming surface is formed by the left end surfaces of the plurality of groups of ejector rods 4 and the left end surfaces of the die 1, the right ends of the plurality of groups of ejector rods 4 are fixedly arranged on the connecting plate 5, the connecting plate 5 is arranged on the ejection device, and the ejection device has the function of enabling the connecting plate 5 to move left and right; when a flat blank is spun, firstly, the right end of the flat blank is contacted with the left end of a die 1, then a machine tool drives a top shaft 3 and a pressing block 2 to move rightwards, the pressing block 2 is used for pressing the blank on the die 1, then the machine tool drives the die 1 to rotate, the die 1 drives the blank to rotate, meanwhile, a spinning wheel is used for applying pressure to the blank, the right end face of the blank is gradually stuck on a molding surface of the die 1, when the processed blank is required to be taken down on the die 1, firstly, the pressing block 2 and the top shaft 3 are moved leftwards, then a connecting plate 5 is used for driving a plurality of groups of top rods 4 to move leftwards through an ejection device, and the spun blank is pushed down by the die 1 in the leftwards moving process of the plurality of groups of top rods 4; when the workpiece is ejected up and down on the die 1, the leftward ejection force is applied to the workpiece through the plurality of groups of ejector rods 4, so that the workpiece can be uniformly stressed in the ejection process, the workpiece is prevented from deforming in the ejection process, and the reliability is improved.
The ejection device comprises a moving device and a limiting mechanism, the moving device is connected with the connecting plate 5 and is used for moving the connecting plate 5, and the limiting device limits the moving distance of the moving device; after the workpiece is ejected, the plurality of groups of ejector rods 4 are moved rightwards to the right part of the die 1, then the moving device is used for pushing the connecting plate 5 and the plurality of groups of ejector rods 4 to move leftwards, and when the left end faces of the plurality of groups of ejector rods 4 are flush with the left end face of the die 1, the limiting device stops moving.
As shown in fig. 1, 3 and 4, the moving device comprises a rotating shaft 7, a connecting block 8, a push rod 9, a hydraulic cylinder 10, a bracket 11 and a bottom plate 12, wherein the connecting plate 5 is fixedly arranged on the rotating shaft 7, the rotating shaft 7 is rotatably arranged on the connecting block 8, the rotating shaft 7 is coaxial with the top shaft 3, the connecting block 8 is fixedly arranged on the push rod 9, the right end of the push rod 9 is connected with the output end of the hydraulic cylinder 10, the hydraulic cylinder 10 is fixedly arranged on the bottom plate 12 through the bracket 11, a limiting mechanism is arranged on the bottom plate 12 and the connecting block 8, and the limiting mechanism is used for limiting the movement of the connecting block 8; when a workpiece is jacked up and down on the die 1, firstly, a plurality of groups of ejector rods 4 are moved rightwards to the right side of the die 1, then, a plurality of groups of ejector rods 4 are moved leftwards into a plurality of groups of through holes of the die 1, at the moment, part of air is arranged on the left side of the plurality of groups of ejector rods 4, the plurality of groups of ejector rods 4 are continuously moved leftwards, and the workpiece is jacked up and down on the die 1 by the plurality of groups of ejector rods 4; the workpiece is conveniently jacked up and down on the die 1, so that convenience is improved; the hydraulic cylinder 10 is opened, the hydraulic cylinder 10 enables the connecting block 8 to drive the rotating shaft 7 to move left and right through the push rod 9, and the rotating shaft 7 can enable the connecting plate 5 to drive the plurality of groups of ejector rods 4 to move left and right.
The limiting mechanism comprises a fixed plate 13, a limiting plate 14 and a lifting device, wherein the fixed plate 13 is arranged on the connecting block 8 through the lifting device, the limiting plate 14 is fixedly arranged on the bottom plate 12, the left end face of the fixed plate 13 is contacted with the right end face of the limiting plate 14, and the lifting device is used for lifting the fixed plate 13; when the workpiece is ejected, the lifting device drives the fixed plate 13 to move to the upper part of the limiting plate 14, at the moment, the left-right movement of the plurality of groups of ejector rods 4 is not limited, when the workpiece is ejected up and down on the die 1, after the plurality of groups of ejector rods 4 move leftwards, the lifting device drives the fixed plate 13 to move downwards until the lower part of the fixed plate 13 is positioned on the right side of the limiting plate 14, at the moment, after the fixed plate 13 moves leftwards to be in contact with the end face of the limiting plate 14, the left ends of the plurality of groups of ejector rods 4 and the left end of the die 1 form a molding surface, and convenience is improved.
The lifting device comprises a screw rod 15 and a sliding rod 16, the screw rod 15 is screwed with the connecting block 8, the lower end of the screw rod 15 is rotationally connected with the fixed plate 13, the sliding rod 16 is arranged on the connecting block 8 in a vertically sliding manner, and the fixed plate 13 is fixedly arranged at the lower end of the sliding rod 16; when the height of the fixed plate 13 is adjusted, the screw 15 is rotated, and the rotated screw 15 drives the fixed plate 13 to adjust the height; the convenience is improved.
Example 2
On the basis of the embodiment 1, the hydraulic cylinder 10 and the push rod 9 are replaced by electric push rods; the movable end of the electric push rod is connected with the connecting block 8, and the fixed end of the electric push rod is arranged on the bracket 11; the left-right movement of the connection block 8 can be achieved as well.
The die 1, the pressing block 2, the push rod 9, the hydraulic cylinder 10, the limiting plate 14 and the sliding rod 16 of the ejection mechanism of the spinning die are all purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. An ejection mechanism of a spinning die comprises a die (1), a pressing block (2) and a jacking shaft (3), wherein the jacking shaft (3) is rotationally connected with the pressing block (2); the novel plastic injection molding machine is characterized by further comprising a plurality of groups of ejector rods (4), a connecting plate (5) and an ejector device, wherein the left end of the mold (1) is provided with a molding surface, a plurality of groups of left and right communicated through holes are formed in the mold (1), the plurality of groups of ejector rods (4) are respectively arranged in the plurality of groups of through holes of the mold (1) in a left and right sliding mode, the left end surfaces of the plurality of groups of ejector rods (4) and the left end surface of the mold (1) form the molding surface, the right ends of the plurality of groups of ejector rods (4) are fixedly arranged on the connecting plate (5), the connecting plate (5) is arranged on the ejector device, and the ejector device has the function of enabling the connecting plate (5) to move left and right.
2. An ejector mechanism for a spinning die according to claim 1, wherein the ejector comprises a moving device and a limiting mechanism, the moving device is connected with the connecting plate (5), the moving device is used for moving the connecting plate (5), and the limiting device limits the moving distance of the moving device.
3. The ejection mechanism of a spinning die according to claim 2, wherein the moving device comprises a rotating shaft (7), a connecting block (8), a push rod (9), a hydraulic cylinder (10), a support (11) and a bottom plate (12), the connecting plate (5) is fixedly installed on the rotating shaft (7), the rotating shaft (7) is rotatably installed on the connecting block (8), the rotating shaft (7) is coaxial with the top shaft (3), the connecting block (8) is fixedly installed on the push rod (9), the right end of the push rod (9) is connected with the output end of the hydraulic cylinder (10), the hydraulic cylinder (10) is fixedly installed on the bottom plate (12) through the support (11), the limiting mechanism is installed on the bottom plate (12) and the connecting block (8), and the limiting mechanism is used for limiting the movement of the connecting block (8).
4. A spinning die ejection mechanism as claimed in claim 3, wherein the limit mechanism comprises a fixing plate (13), a limit plate (14) and a lifting device, the fixing plate (13) is mounted on the connecting block (8) through the lifting device, the limit plate (14) is fixedly mounted on the bottom plate (12), the left end face of the fixing plate (13) is in contact with the right end face of the limit plate (14), and the lifting device is used for lifting the fixing plate (13).
5. An ejector mechanism of a spinning die according to claim 4, wherein the lifting device comprises a screw rod (15) and a sliding rod (16), the screw rod (15) is screwed with the connecting block (8), the lower end of the screw rod (15) is rotatably connected with the fixed plate (13), the sliding rod (16) is vertically and slidably arranged on the connecting block (8), and the fixed plate (13) is fixedly arranged at the lower end of the sliding rod (16).
6. A spinning die ejection mechanism according to claim 3, wherein the hydraulic cylinder (10) is provided with a dust cover.
7. An ejector mechanism for a spinning die according to claim 5, wherein the screw (15) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620742.5U CN220144600U (en) | 2023-06-25 | 2023-06-25 | Ejection mechanism of spinning die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620742.5U CN220144600U (en) | 2023-06-25 | 2023-06-25 | Ejection mechanism of spinning die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220144600U true CN220144600U (en) | 2023-12-08 |
Family
ID=89014455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620742.5U Active CN220144600U (en) | 2023-06-25 | 2023-06-25 | Ejection mechanism of spinning die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220144600U (en) |
-
2023
- 2023-06-25 CN CN202321620742.5U patent/CN220144600U/en active Active
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