CN210025978U - Plastic mould ejection mechanism - Google Patents
Plastic mould ejection mechanism Download PDFInfo
- Publication number
- CN210025978U CN210025978U CN201920418071.1U CN201920418071U CN210025978U CN 210025978 U CN210025978 U CN 210025978U CN 201920418071 U CN201920418071 U CN 201920418071U CN 210025978 U CN210025978 U CN 210025978U
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- CN
- China
- Prior art keywords
- fixedly connected
- ejection
- patterns
- thimble
- demolding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic mould ejection mechanism, including the drawing of patterns bottom plate, the left side fixedly connected with ejection support at drawing of patterns bottom plate top, the intermediate position fixedly connected with fixed thread inside groove at ejection support top, the inside of fixed thread inside groove is run through and threaded connection has the propulsion lead screw, the bottom fixedly connected with ejection operation board of propulsion lead screw, adjusting screw's bottom fixedly connected with drawing of patterns thimble, the inside intermediate position of drawing of patterns thimble is provided with interior through-hole, the left and right sides of drawing of patterns thimble all is provided with the air exit, the top both sides of ejection operation board and the equal fixedly connected with miniature ventilation pump in position that is close to the drawing of patterns thimble, the output of miniature ventilation pump is provided with the ventilation pipe, the utility model relates to a mould. This plastic mould ejection mechanism has reached and has realized evenly in the hand between every thimble and the formed part, avoids stress concentration to cause the purpose of damage to the formed part.
Description
Technical Field
The utility model relates to a mould drawing of patterns technical field specifically is a plastic mould ejection mechanism.
Background
A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various.
A combined plastic mould for compression moulding, extrusion moulding, injection moulding, blow moulding and low-foaming moulding mainly comprises a female mould with a variable cavity and consisting of a female mould combined substrate, a female mould component and a female mould combined clamping plate, and a male mould with a variable core and consisting of a male mould combined substrate, a male mould component, a male mould combined clamping plate, a cavity cut-off component and a side cut-off combined plate. And the coordination change of the male die, the female die and the auxiliary forming system of the die. Can process series plastic parts with different shapes and sizes.
At present, the ejector pin of the plastic mould is manually extended out of the ejector pin hole, so that a formed product is ejected out, and because the depths of the ejector pin holes are different, the contact time of each ejector pin and the ejector pin hole is different, the manual demoulding can cause huge stress concentration, the formed product is subjected to die-out angle deviation, and a part structure and the inner cavity of the mould generate serious friction to damage the formed product.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a plastic mould ejection mechanism has solved present plastic mould and has stretched out the thimble of mould from thimble hole through the manual work to the shaping goods are ejecting, because the degree of depth of thimble hole differs, thereby every thimble is different with thimble hole contact time, and like this and the manual drawing of patterns can cause huge stress concentration, makes the shaping article demolding angular migration, and partial structure and mould inner chamber produce serious friction, leads to the fact the problem of destruction to the shaping article.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a plastic mold ejection mechanism comprises a demolding bottom plate, wherein an ejection support is fixedly connected to the left side of the top of the demolding bottom plate, a fixed thread inner groove is fixedly connected to the middle position of the top of the ejection support, a pushing screw rod penetrates through and is in threaded connection with the inside of the fixed thread inner groove, an ejection operating plate is fixedly connected to the bottom end of the pushing screw rod, auxiliary supporting blocks are fixedly connected to the left end and the right end of the bottom of the ejection operating plate respectively, an outer rotating block is rotatably connected to the bottom end of the auxiliary supporting blocks, an adjusting screw rod penetrates through and is in threaded connection with the bottom end of the outer rotating block, a demolding thimble is fixedly connected to the bottom end of the adjusting screw rod, an inner through hole is arranged at the middle position of the inside of the demolding thimble, air outlets are arranged at the left side and the right side of the demolding thimble respectively, the bottom end of the inner through hole is communicated with, the output end of the micro ventilation pump is provided with a ventilation pipe, and one end of the ventilation pipe, which is far away from the micro ventilation pump, is communicated with the top of the inner through hole.
Preferably, the surface of the auxiliary supporting block close to the lower part is uniformly and fixedly connected with an adjusting scale, and the top of the outer rotating block is fixedly connected with a scale pointer.
Preferably, the left side of the top of the ejection operating plate is fixedly connected with a limiting insertion rod, the top end inside the ejection support is fixedly connected with a limiting insertion block, and the outer surface of the limiting insertion rod is penetrated through and slidably connected with the limiting insertion block.
Preferably, the top of the propelling screw rod is fixedly connected with a cross propelling turntable.
Preferably, the top of drawing of patterns bottom plate fixedly connected with blanking recess, the top of drawing of patterns bottom plate just is located the equal fixedly connected with mould rack in both ends about the blanking recess.
The utility model provides a plastic mould ejection mechanism. The method has the following beneficial effects:
the plastic mold ejection mechanism is characterized in that a mold is placed in the middle of a mold placing frame, demolding thimbles correspond to ejection holes in the mold, due to the fact that the ejection holes are different in position height, a cross pushing rotary table is rotated first, the cross pushing rotary table drives a pushing screw rod to move downwards under the action of a fixed thread inner groove, so that the demolding thimbles approach the ejection holes, when a first demolding thimble enters the ejection holes and is about to eject a molded part, the cross pushing rotary table is stopped rotating, then other demolding thimbles which are not in contact with the molded part are adjusted, an outer rotating block is rotated, the outer rotating block is precisely rotated according to adjustment scales indicated by scale pointers, so that an adjusting threaded rod moves downwards under the action of the outer rotating block until the demolding thimbles are in contact with the ejection holes, the state between each demolding thimble and the molded part is kept consistent, and the cross pushing rotary table is, the push screw rod drives the demoulding ejector pins to downwards drive the formed part to be ejected through the ejection operating plate, the formed part falls into the blanking groove after being ejected, meanwhile, the miniature ventilation pump works to drive air to be led into the inner through hole through the ventilation pipe, breeze is discharged from the air outlet, the breeze can cool the local part of the ejection contact part properly, the hardness of the contact part of the formed part is increased, the purpose of realizing uniform hand between each ejector pin and the formed part and avoiding damage to the formed part caused by stress concentration is achieved.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
fig. 3 is a cross-sectional view of the demolding thimble of the present invention.
In the figure: the device comprises a demoulding bottom plate 1, an ejection support 2, a fixed thread inner groove 3, a propelling screw rod 4, an ejection operating plate 5, an auxiliary supporting block 6, an outer rotating block 7, an adjusting threaded rod 8, a demoulding thimble 9, an inner through hole 10, an air outlet 11, a miniature ventilation pump 12, a ventilation pipe 13, an adjusting scale 14, a scale pointer 15, a limiting inserted bar 16, a limiting inserted block 17, a cross propelling turntable 18, a blanking groove 19 and a mould placing frame 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a plastic mold ejection mechanism comprises a demolding bottom plate 1, an ejection support 2 is fixedly connected to the left side of the top of the demolding bottom plate 1, a fixed thread inner groove 3 is fixedly connected to the middle position of the top of the ejection support 2, a propelling screw rod 4 penetrates through and is in threaded connection with the inside of the fixed thread inner groove 3, an ejection operation plate 5 is fixedly connected to the bottom end of the propelling screw rod 4, auxiliary support blocks 6 are fixedly connected to the left end and the right end of the bottom of the ejection operation plate 5, an outer rotating block 7 is rotatably connected to the bottom end of the auxiliary support blocks 6, an adjusting threaded rod 8 penetrates through and is in threaded connection with the bottom end of the outer rotating block 7, a demolding thimble 9 is fixedly connected to the bottom end of the adjusting threaded rod 8, an inner through hole 10 is arranged at the middle position of the inside of the demolding thimble 9, air outlets 11 are arranged at the left side and the right side of the demolding thimble 9, the bottom end of the, the output end of the micro ventilation pump 12 is provided with a ventilation pipe 13, and one end of the ventilation pipe 13 far away from the micro ventilation pump 12 is communicated with the top of the inner through hole 10. The surface of the auxiliary supporting block 6 close to the lower part is uniformly and fixedly connected with an adjusting scale 14, and the top of the outer rotating block 7 is fixedly connected with a scale pointer 15. The left side of the top of the ejection operating plate 5 is fixedly connected with a limiting insertion rod 16, the top end inside the ejection support 2 is fixedly connected with a limiting insertion block 17, and the outer surface of the limiting insertion rod 16 is penetrated and slidably connected with the limiting insertion block 17. The top of the propelling screw rod 4 is fixedly connected with a cross propelling turntable 18. The top fixedly connected with blanking recess 19 of drawing of patterns bottom plate 1, the equal fixedly connected with mould rack 20 in both ends about drawing of patterns bottom plate 1 just is located blanking recess 19.
When the device is used, a mould is placed in the middle of a mould placing rack 20, demoulding thimbles 9 correspond to ejection holes on the mould, because the ejection holes are different in height, a cross propulsion turntable 18 is rotated, the cross propulsion turntable 18 drives a propulsion screw rod 4 to move downwards under the action of a fixed thread inner groove 3, so that the demoulding thimbles 9 approach to the ejection holes, when a first demoulding thimble 9 enters the ejection holes and is about to eject a formed part, the cross propulsion turntable 18 is stopped to rotate, then other demoulding thimbles 9 which are not in contact with the formed part are regulated, an outer rotating block 7 is rotated, the threaded rod 8 is accurately rotated according to an adjusting scale 14 pointed by a scale pointer 15, so that the regulating threaded rod 8 moves downwards under the action of the outer rotating block 7 until the demoulding thimble 9 is in contact with the ejection holes, and the state between each demoulding thimble 9 and the formed part is kept consistent, at the moment, the cross propulsion rotary table 18 is rotated again, so that the propulsion screw rod 4 drives the demoulding ejector pins 9 to drive the formed part to be ejected downwards through the ejection operating plate 5, the formed part falls into the blanking groove 19 after being ejected, meanwhile, the micro ventilation pump 12 works to drive air to be introduced into the inner through hole 10 through the ventilation pipe 13, and therefore breeze is discharged from the air outlet 11, the breeze can cool the ejection contact part locally and properly, the hardness of the contact part of the formed part is increased, the purpose of realizing uniform hand between each ejector pin and the formed part and avoiding damage to the formed part due to stress concentration is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a plastic mould ejection mechanism, includes drawing of patterns bottom plate (1), its characterized in that: the demolding device is characterized in that an ejection support (2) is fixedly connected to the left side of the top of the demolding bottom plate (1), a fixed thread inner groove (3) is fixedly connected to the middle position of the top of the ejection support (2), a propelling lead screw (4) penetrates through and is in threaded connection with the inside of the fixed thread inner groove (3), an ejection operating plate (5) is fixedly connected to the bottom end of the propelling lead screw (4), auxiliary supporting blocks (6) are fixedly connected to the left end and the right end of the bottom of the ejection operating plate (5), an outer rotating block (7) is rotatably connected to the bottom end of the auxiliary supporting blocks (6), an adjusting threaded rod (8) penetrates through and is in threaded connection with the bottom end of the outer rotating block (7), a demolding thimble (9) is fixedly connected to the bottom end of the adjusting threaded rod (8), an inner through hole (10) is formed in the middle position of the inside of the demolding, the bottom and the air exit (11) of interior through-hole (10) communicate, the equal fixedly connected with miniature ventilation pump (12) in position that the top both sides of ejecting operation panel (5) and be close to drawing of patterns thimble (9), the output of miniature ventilation pump (12) is provided with ventilation pipe (13), the one end of miniature ventilation pump (12) and the top of interior through-hole (10) intercommunication are kept away from in ventilation pipe (13).
2. The plastic mold ejection mechanism of claim 1, wherein: the surface of the auxiliary supporting block (6) close to the lower part is uniformly and fixedly connected with adjusting scales (14), and the top of the outer rotating block (7) is fixedly connected with a scale pointer (15).
3. The plastic mold ejection mechanism of claim 1, wherein: the ejection device is characterized in that a limiting insertion rod (16) is fixedly connected to the left side of the top of the ejection operating plate (5), a limiting insertion block (17) is fixedly connected to the top end of the inside of the ejection support (2), and the outer surface of the limiting insertion rod (16) penetrates through the limiting insertion block (17) and is in sliding connection with the limiting insertion block.
4. The plastic mold ejection mechanism of claim 1, wherein: the top of the propelling screw rod (4) is fixedly connected with a cross propelling turntable (18).
5. The plastic mold ejection mechanism of claim 1, wherein: the top fixedly connected with blanking recess (19) of drawing of patterns bottom plate (1), the equal fixedly connected with mould rack (20) in both ends about drawing of patterns bottom plate (1) just is located blanking recess (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418071.1U CN210025978U (en) | 2019-03-29 | 2019-03-29 | Plastic mould ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418071.1U CN210025978U (en) | 2019-03-29 | 2019-03-29 | Plastic mould ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210025978U true CN210025978U (en) | 2020-02-07 |
Family
ID=69357432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418071.1U Expired - Fee Related CN210025978U (en) | 2019-03-29 | 2019-03-29 | Plastic mould ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210025978U (en) |
-
2019
- 2019-03-29 CN CN201920418071.1U patent/CN210025978U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |