CN108723203B - Mini-tiller shell stamping device - Google Patents
Mini-tiller shell stamping device Download PDFInfo
- Publication number
- CN108723203B CN108723203B CN201810764721.8A CN201810764721A CN108723203B CN 108723203 B CN108723203 B CN 108723203B CN 201810764721 A CN201810764721 A CN 201810764721A CN 108723203 B CN108723203 B CN 108723203B
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- cavity
- piston plate
- die
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- communicated
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- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 210000001503 joint Anatomy 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 32
- 230000000903 blocking effect Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The application relates to the field of sheet stamping, and particularly discloses a micro-cultivator shell stamping device which comprises a base body, a female die, a male die and a stamping machine; the female die is fixed with the base body, a liquid cavity and a diversion channel are arranged in the base body, a first piston plate is arranged in the liquid cavity, the liquid cavity is divided into a first cavity and a second cavity by the first piston plate, a liquid inlet channel communicated with the die cavity is arranged in the female die, the liquid inlet channel is communicated with the first cavity, and a limiting edge is arranged on the side wall of the first cavity; the limiting edge is provided with a first quick connector connected with one end of the flow guide channel, the other end of the flow guide channel is communicated with the second cavity, and the first piston plate is provided with a one-way valve and a second quick connector which can be in butt joint with the first quick connector; the seat body is provided with a first oil cavity and a second oil cavity, a piston is arranged in the first oil cavity, a second piston plate is arranged in the second oil cavity, the upper end of the first oil cavity is communicated with the second oil cavity, and the upward movement of the male die drives the second piston plate and the first piston plate to move upwards simultaneously; and water in the liquid cavity enters the die cavity to wash the die cavity.
Description
Technical Field
The invention relates to the technical field of sheet stamping, in particular to a micro-cultivator shell stamping device.
Background
At present, when an automobile is manufactured, an automobile shell needs to be stamped to meet the installation requirement of the automobile. When the automobile shell is stamped, a large-sized stamping machine is generally used for stamping the automobile shell, but because of different stamping shapes, the stamping machine needs to be replaced with a die to stamp different shapes, and the stamping processing is a production technology for producing product parts with certain shapes, sizes and performances by directly receiving deformation force in the die and deforming the plate by means of power of conventional or special stamping equipment. The plate material, the die and the equipment are three elements of stamping processing. The stamping process is a metal cold deformation process. Therefore, it is called cold stamping or sheet stamping, simply stamping. It is one of the main methods of metal plastic working (or press working) and belongs to the material forming engineering technology.
When the plate is stamped, impurities or scrap iron are usually fallen off from the plate processed last time in a die cavity of the female die, and in this case, the plate is stamped, and the impurities or scrap iron form pits on the formed shell, so that the attractiveness of the shell is affected; therefore, when the plate is punched, the die cavity of the female die needs to be cleaned firstly, but at present, the cleaning is mainly performed manually, and time and labor are wasted.
Disclosure of Invention
The invention aims to provide a micro-cultivator shell stamping device capable of automatically cleaning a die cavity of a female die.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
the micro cultivator shell stamping device comprises a base body, a female die fixed on the base body, a male die arranged above the female die and matched with the groove, and a stamping machine for driving the male die to move up and down, wherein a die cavity is arranged in the female die; the liquid cavity is divided into a first cavity and a second cavity by the first piston plate, a liquid inlet channel extending to the bottom of the die cavity is arranged in the female die, the liquid inlet channel is communicated with the first cavity, and a limiting edge for limiting the first piston plate is arranged on the side wall of the first cavity; the limiting edge is provided with a first quick connector connected with one end of the flow guide channel, the first piston plate is provided with a second quick connector which can be matched with the first quick connector, the first piston plate is internally provided with a return channel which is used for communicating the first cavity with the second quick connector, and the other end of the flow guide channel is communicated with the second cavity; the first piston plate is provided with a one-way valve, the liquid inlet end of the one-way valve is communicated with the second cavity, and the liquid outlet end of the one-way valve is communicated with the first cavity; a first oil cavity is arranged on the base body along the vertical direction, a piston is arranged in the first oil cavity, and the piston is fixed with the male die through a connecting rod; a second oil cavity is further formed in the base, a second piston plate is arranged in the second oil cavity, and the upper end of the first oil cavity is communicated with the second oil cavity; the first piston plate and the second piston plate are mutually fixed through a push rod, and when the male die moves upwards, the second piston plate pushes the first piston plate to move towards the limit edge.
The principle of the stamping device of the mini-tiller shell is as follows:
and placing the plate on the female die, pushing the male die to move downwards by the punching machine, and extruding the plate by matching the male die and the female die. When the punch drives the punch to move upwards, the punch drives the piston to move upwards through the connecting rod, so that hydraulic oil in the first oil cavity is extruded into the second oil cavity and pushes the second piston plate to slide in the second oil cavity, the second piston plate pushes the first piston plate to slide towards the limit edges through the push rod, and in the process, the first piston plate presses the liquid in the first cavity into the die cavity.
Until the first piston plate abuts against the limiting edge, the first quick connector and the second quick connector are matched with each other, so that the first cavity is communicated with the diversion channel; and at this time, the space of the second cavity is increased, so that negative pressure is formed in the second cavity, and therefore, liquid entering the die cavity enters the second cavity through the liquid inlet channel, the quick connector and the diversion channel. In the process of flowing the liquid in the die cavity, the liquid has a flushing effect on the side wall of the die cavity, so that impurities or scrap iron and the like on the side wall of the die cavity can be brought into the second cavity.
When the male die moves downwards, hydraulic oil in the second oil cavity returns to the first oil cavity, the first piston plate moves away from the limit rib, the one-way valve is conducted, and liquid in the second cavity enters the first cavity through the one-way valve.
The beneficial effect that this scheme produced is:
the method comprises the steps of (1) enabling a mold cavity to be communicated with a second cavity by pressing liquid in the first cavity into a mold cavity and then connecting a first quick connector with the second quick connector, so that the liquid in the mold cavity can return to the second cavity; the liquid flows in the die cavity and has a scouring effect on the side wall of the die cavity, so that impurities can be brought into the second cavity, and pits are prevented from being formed on the molded shell due to the impurities when the plate is punched.
Secondly, when the first piston plate presses the liquid in the first cavity into the die cavity, the liquid has an extrusion effect on the molded shell, so that the shell is convenient to demold; in addition, the action area of the liquid on the shell is large, so that the deformation of the shell caused during demolding can be avoided.
The punching machine drives the male die to move up and down, so that the female die and the male die can be matched, and the plate is punched; the first piston plate and the second piston plate are also driven to move so as to flush the die cavity.
The first preferred scheme is as follows: as a further optimization of the basic scheme, the axial direction of the liquid cavity is along the vertical direction, and the second oil cavity is arranged below the liquid cavity. The axial direction of the liquid cavity can be arranged vertically or obliquely, but in the preferred scheme, the axial direction of the liquid cavity is arranged vertically; thereby be convenient for the processing of each cavity, in addition also make the fall of die cavity and second chamber great, can increase the velocity of flow of liquid flow to be favorable to taking away the impurity adsorbed at the die cavity lateral wall.
And a second preferred scheme is as follows: as a further optimization of the first preferred scheme, a filter screen is arranged at the liquid outlet end of the one-way valve; the impurity can be filtered through setting up the filter screen, then can avoid getting into the impurity of second intracavity and return in the die cavity again.
And a preferred scheme III: as a further optimization of the second preferred scheme, a groove communicated with the liquid inlet channel is formed in the bottom surface of the die cavity, a blocking block is connected in the groove in a sliding mode, a pressure spring is arranged below the blocking block, and when the blocking block extends out of the groove, the liquid inlet channel is communicated with the die cavity. When the plate is punched, the blocking block is pressed back into the groove, so that a smooth curved surface is formed at the bottom of the die cavity, and the formed shell is prevented from being marked; when the male die and the female die are separated, the blocking block ejects out under the action of the pressure spring and the liquid pressure, so that the liquid can enter the die cavity.
The preferable scheme is as follows: as a further optimization of the third preferred scheme, the pump wheel is rotationally connected with the diversion channel, a torsion spring is connected between the pump wheel and the side wall of the diversion channel, a driving rod penetrating through the middle of the pump wheel is fixed on the second piston plate, a driving ring is arranged between the pump wheel and the driving rod, a spiral convex edge and a spiral groove which are mutually matched are arranged between the driving ring and the driving rod, the driving ring is connected with the pump wheel through a one-way bearing, and when the first piston plate is propped against the limit edge, the spiral groove and the spiral convex edge are separated from the matching.
When the second piston plate drives the driving rod to move upwards, the driving ring rotates under the mutual extrusion of the spiral groove and the spiral convex edge, and meanwhile, the driving ring drives the pump wheel to rotate through the one-way bearing, so that the torsion spring stores energy; when the spiral groove and the spiral convex edge are separated from each other, the torsion spring drives the pump wheel to rotate, and at the moment, the pump wheel can accelerate the liquid in the die cavity to flow to the second cavity, so that the liquid flow rate is increased. When the second piston plate moves downwards, the driving rod drives the driving ring to rotate reversely, and the unidirectional bearing is disengaged at the moment, so that the driving ring can not drive the pump wheel to rotate, and the torsion spring is in a natural extension state.
The preferable scheme is as follows: as a further optimization of the fourth preferred scheme, the side wall of the diversion channel is embedded with a first magnet, a second magnet is fixed on the driving ring, and the first magnet and the second magnet attract each other; after the energy of the torsion spring is released, the first magnet and the second magnet are attracted, so that the driving ring is positioned, and the spiral groove and the spiral convex rib are convenient to form a matching relationship again.
Drawings
FIG. 1 is a schematic view of a stamping device for a mini-tiller housing according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the hydraulic pump comprises a base body 10, a liquid cavity 11, a first cavity 111, a second cavity 112, a first piston plate 113, a one-way valve 114, a filter screen 115, a first quick connector 116, a second quick connector 117, a diversion channel 12, a pump impeller 121, a driving ring 122, a one-way bearing 123, a first oil cavity 13, a piston 131, a connecting rod 132, a second oil cavity 14, a second piston plate 141, a push rod 142, a driving rod 143, a male die 20, a female die 30, a flow groove 311, a blocking 312 and a pressure spring 313.
The embodiment is substantially as shown in figures 1, 2 and 3:
the micro-cultivator shell stamping device of the embodiment comprises a base body 10, a female die 30 fixed on the base body 10, a male die 20 arranged above the female die 30 and capable of being matched with the female die 30, and a stamping machine for driving the male die 20 to move up and down; the die cavity is arranged in the female die 30, the male die 20 can be embedded in the die cavity, the plate is placed on the female die 30, and the male die 20 is pushed by the punching machine to move downwards, so that the male die 20 and the female die 30 are matched to extrude the plate, and the plate can be formed.
The inside of the seat body 10 is provided with a liquid cavity 11 and a second oil cavity 14 from top to bottom, and the central axes of the liquid cavity 11 and the second oil cavity 14 are all along the vertical direction. The periphery of the liquid cavity 11 is provided with three diversion channels 12, and the diversion channels 12 are uniformly distributed along the circumferential direction of the liquid cavity 11. A first piston plate 113 capable of sliding along the axial direction of the liquid cavity 11 is arranged in the liquid cavity 11, the first piston plate 113 divides the liquid cavity 11 into a first cavity 111 and a second cavity 112, the first cavity 111 is arranged above the first piston plate 113, and the second cavity 112 is arranged below the first piston plate 113. A liquid inlet channel extending to the bottom of the die cavity is arranged in the die cavity 30, a groove communicated with the liquid inlet channel is arranged on the bottom surface of the die cavity, a block 312 is connected in the groove in a sliding manner, a pressure spring 313 is arranged below the block 312, the upper end of the pressure spring 313 is fixed with the block 312, and the lower end of the pressure spring 313 is fixed with the bottom of the groove; the blocking piece 312 can be prevented from sliding out of the groove by fixing the compression spring 313 and the blocking piece 312, and when the blocking piece 312 is not stressed, the blocking piece 312 stretches out of the groove under the action of the compression spring 313; in addition, the peripheral wall of the lower end of the block 312 is provided with a launder 311, so that when the block 312 extends out of the groove, the launder 311 communicates the liquid inlet channel with the mold cavity.
The liquid inlet channel is communicated with the first cavity 111, and a limiting edge is arranged on the side wall of the upper part of the first cavity 111, and can limit the upward moving distance of the first piston plate 113. The limiting edge is provided with a first quick connector 116 communicated with the upper end of the diversion channel 12, the first piston plate 113 is provided with a second quick connector 117 which can be matched with the first quick connector 116, and the first piston plate 113 is internally provided with a backflow channel communicated with the first cavity 111 and the second quick connector 117. When the first piston plate 113 abuts against the limit rib, the first quick connector 116 will mate with the second quick connector 117, and the first chamber 111 communicates with the diversion channel 12. The lower end of the diversion channel 12 is communicated with the second cavity 112, and the liquid cavity 11 is filled with water; when the first piston plate 113 moves upward, water in the first chamber 111 is pressed into the mold cavity, and the space of the second chamber 112 increases, so that a negative pressure is formed in the second chamber 112; when the first piston plate 113 abuts against the limit rib, the first quick connector 116 abuts against the second quick connector 117, so that under the negative pressure of the second cavity 112, water in the mold cavity is sucked into the second cavity 112 through the diversion channel 12, and the water returns to the liquid cavity 11.
The first piston plate 113 is provided with a check valve 114, the liquid inlet end of the check valve 114 is communicated with the second cavity 112, and the liquid outlet end of the check valve 114 is communicated with the first cavity 111. Thus when the first piston plate 113 moves upwards, the non-return valve 114 is not conductive and the water in the first chamber 111 will be forced into the mould cavity. And when the first piston plate 113 moves downward, the check valve 114 is turned on, and water in the second chamber 112 will enter the first chamber 111 so that the water can circulate in the first and second chambers 111 and 112.
The base body 10 is provided with first oil cavities 13 along the vertical direction, the first oil cavities 13 are provided with four in total, and the first oil cavities 13 are uniformly distributed along the circumferential direction of the liquid cavity 11. A piston 131 capable of sliding vertically is arranged in the first oil chamber 13, and the piston 131 is fixed with the male die 20 through a connecting rod 132, so that when the male die 20 moves up and down, the piston 131 moves in the vertical direction in the first oil chamber 13. The upper end of the first oil chamber 13 communicates with the bottom of the second oil chamber 14, a second piston plate 141 is provided in the second oil chamber 14 to be slidable in the vertical direction, and the upper space of the piston 131 in the first oil chamber 13 and the lower space of the second piston plate 141 in the second oil chamber 14 are filled with hydraulic oil. So that when the piston 131 moves up, the hydraulic oil in the first oil chamber 13 will enter the second oil chamber 14, and the second piston plate 141 will move up; and when the piston 131 moves down, the hydraulic oil in the second oil chamber 14 is returned to the first oil chamber 13, and the second piston plate 141 moves down. The first piston plate 113 and the second piston plate 141 are fixed to each other by the push rod 142, and the second piston plate 141 will simultaneously move the first piston plate 113. In addition, the second oil chamber 14 is provided in a ring shape, thereby facilitating the design of the capacity of the second oil chamber 14 to match the stroke ratio of the piston 131 and the second piston plate 141.
The pump impeller 121 is rotationally connected in the diversion channel 12, a torsion spring is connected between the pump impeller 121 and the side wall of the diversion channel 12, one end of the torsion spring is fixed with the pump impeller 121, and the other end of the torsion spring is fixed with the side wall of the diversion channel 12. When the water in the mould cavity returns to the second cavity 112 through the diversion channel 12, the pump wheel 121 rotates positively to accelerate the speed of the water flowing to the second cavity 112. A driving rod 143 penetrating through the middle of the pump wheel 121 is fixed on the second piston plate 141, and a driving ring 122 is arranged between the pump wheel 121 and the driving rod 143; a spiral convex edge and a spiral groove which are matched with each other are arranged between the driving ring 122 and the driving rod 143, the helix angle of the spiral groove is 58 degrees, and the section of the spiral groove is rectangular; so that when the driving rod 143 moves relative to the driving ring 122, the driving ring 122 will rotate under the mutual pressing action of the spiral groove and the spiral rib, i.e. there is no self-locking property between the spiral groove and the spiral rib. The driving ring 122 is connected with the pump wheel 121 through a one-way bearing 123, when the driving rod 143 moves upwards, the driving ring 122 is reversed, and at the moment, the one-way bearing 123 is meshed, and the driving ring 122 drives the pump wheel 121 to be reversed; and when the driving rod 143 moves downward, the driving ring 122 rotates forward, and the one-way bearing 123 is disengaged. In addition, the lower end of the driving rod 143 is a light section, when the first piston plate 113 abuts against the limiting rib, the driving ring 122 slides to the light section of the driving rod 143, that is, the spiral groove and the spiral rib are disengaged, so that the driving ring 122 can rotate freely relative to the driving rod 143.
The side wall of the diversion channel 12 is embedded with a first magnet, a second magnet is fixed on the driving ring 122, and the first magnet and the second magnet are attracted; when the driving ring 122 slides to the light section of the driving rod 143, the driving ring 122 can be positioned under the action of the mutual attraction of the first magnet and the second magnet because the driving ring 122 can rotate freely relative to the driving rod 143, so that the spiral groove and the spiral convex edge are favorable to form a matching relationship again when the driving rod 143 slides downwards.
The specific working process of the micro-cultivator shell stamping device of the embodiment is as follows:
the punch moves the punch 20 upward and in the process, the second piston plate 141 moves the first piston plate 113 upward, so that the first piston plate 113 presses the water in the first chamber 111 into the die cavity. Until the first piston plate 113 abuts against the limit rib, so that the first quick connector 116 and the second quick connector 117 are abutted, and meanwhile, the space of the second cavity 112 is increased, so that negative pressure is formed in the second cavity 112, and water in the die cavity returns to the second cavity 112. And in the process that the second piston plate 141 drives the driving rod 143 to move upwards, the pump wheel 121 is reversed to store energy of the torsion spring; and when the spiral groove and the spiral convex edge are disengaged, the torsion spring drives the pump wheel 121 to rotate positively, so that the pump wheel 121 accelerates the water in the mold cavity to flow to the second cavity 112. During the flow of water within the mold cavity, the water has a flushing effect on the sidewalls of the mold cavity, which can carry impurities or scrap iron, etc. from the sidewalls of the mold cavity into the second cavity 112. At the moment, the plate can be placed on the female die, and the male die is driven to downwards until the male die and the female die form a fit, and then the plate can be punched; after the plate is pressed for a period of time, the male die is moved upwards, and the plate is formed into a mini-tiller shell.
When the male die 20 moves downwards, the second piston plate 141 drives the first piston plate 113 to move downwards, and the first quick connector 116 and the second quick connector 117 are separated; at this point, the liquid in the second chamber 112 will pass through the one-way valve 114 into the first chamber 111. To prevent impurities entering the second chamber 112 from returning again into the mould cavity, the liquid outlet end of the non-return valve 114 is provided with a sieve 115.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. The micro cultivator shell stamping device comprises a base body, a female die fixed on the base body, a male die arranged above the female die and matched with the groove, and a stamping machine for driving the male die to move up and down, wherein a die cavity is arranged in the female die; the method is characterized in that: the liquid cavity is divided into a first cavity and a second cavity by the first piston plate, a liquid inlet channel extending to the bottom of the die cavity is arranged in the female die, the liquid inlet channel is communicated with the first cavity, and a limiting edge for limiting the first piston plate is arranged on the side wall of the first cavity; the limiting edge is provided with a first quick connector connected with one end of the flow guide channel, the first piston plate is provided with a second quick connector matched with the first quick connector, the first piston plate is internally provided with a return channel which is used for communicating the first cavity with the second quick connector, and the other end of the flow guide channel is communicated with the second cavity; the first piston plate is provided with a one-way valve, the liquid inlet end of the one-way valve is communicated with the second cavity, and the liquid outlet end of the one-way valve is communicated with the first cavity; a first oil cavity is arranged on the base body along the vertical direction, a piston is arranged in the first oil cavity, and the piston is fixed with the male die through a connecting rod; a second oil cavity is further formed in the base, a second piston plate is arranged in the second oil cavity, and the upper end of the first oil cavity is communicated with the second oil cavity; the first piston plate and the second piston plate are mutually fixed through a push rod, and when the male die moves upwards, the second piston plate pushes the first piston plate to move towards the limit edge; the axial direction of the liquid cavity is along the vertical direction, and the second oil cavity is arranged below the liquid cavity;
the pump impeller is rotationally connected with the diversion channel, a torsion spring is connected between the pump impeller and the side wall of the diversion channel, a driving rod penetrating through the middle of the pump impeller is fixed on the second piston plate, a driving ring is arranged between the pump impeller and the driving rod, a spiral convex edge and a spiral groove which are mutually matched are arranged between the driving ring and the driving rod, and the driving ring is connected with the pump impeller through a one-way bearing; the lower extreme of actuating lever is the light section, and when first piston board and spacing arris offset, the drive ring slides to the light section of actuating lever, spiral recess and spiral bead break away from the cooperation.
2. The mini-tiller housing stamping device of claim 1, characterized by: the liquid outlet end of the one-way valve is provided with a filter screen.
3. The mini-tiller housing stamping device of claim 2, characterized by: the bottom surface of die cavity is equipped with the recess with feed liquor passageway intercommunication, and the sliding connection has the sprue in the recess, and the below of sprue is equipped with the pressure spring, and when the sprue stretched out from the recess, feed liquor passageway and die cavity intercommunication.
4. The mini-tiller housing stamping device of claim 3, further characterized by: the side wall of the flow guide channel is embedded with a first magnet, a second magnet is fixed on the driving ring, and the first magnet and the second magnet are attracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764721.8A CN108723203B (en) | 2018-07-12 | 2018-07-12 | Mini-tiller shell stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764721.8A CN108723203B (en) | 2018-07-12 | 2018-07-12 | Mini-tiller shell stamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108723203A CN108723203A (en) | 2018-11-02 |
| CN108723203B true CN108723203B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810764721.8A Active CN108723203B (en) | 2018-07-12 | 2018-07-12 | Mini-tiller shell stamping device |
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| CN (1) | CN108723203B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113478893B (en) * | 2021-06-28 | 2022-12-30 | 来宾市新桂生物科技有限公司 | Medicinal powder tablet press is with preventing being stained with attaches formula drift mechanism |
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