CN114228009B - Post-injection trimming device and method for plastic parts - Google Patents
Post-injection trimming device and method for plastic parts Download PDFInfo
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- CN114228009B CN114228009B CN202111527227.8A CN202111527227A CN114228009B CN 114228009 B CN114228009 B CN 114228009B CN 202111527227 A CN202111527227 A CN 202111527227A CN 114228009 B CN114228009 B CN 114228009B
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- stainless steel
- steel ring
- cutting blade
- trimming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a post-injection trimming device and a trimming method for plastic parts, which relate to the technical field of trimming of injection products and comprise a connecting seat and a trimming mechanism, wherein two mounting backup plates are symmetrically and fixedly arranged on radial side walls of the connecting seat, and the trimming mechanism is fixedly arranged at one end, far away from the connecting seat, of the opposite side walls of the two mounting backup plates; the trimming mechanism comprises a cutting blade, a polishing block and a first elliptic stainless steel ring, wherein the cutting blade and the polishing block are symmetrically distributed on two sides of the first elliptic stainless steel ring, and one end, close to the connecting seat, of one of the installation backup plates is provided with a driving mechanism. The trimming mechanism is arranged at a local irregular position on the surface of the plastic injection molding part, can rapidly cut burrs and polish and repair the cut part, has a wide application range, and improves trimming efficiency after injection molding of the injection molding part.
Description
Technical Field
The invention relates to the technical field of injection molding product renovation, in particular to a post-injection molding renovation device and a renovation method of plastic parts.
Background
After the injection molding product is subjected to injection molding and demolding, part of the injection molding waste edges remain on the surface of the injection molding product, and then the waste edges are required to be cut, polished and flattened.
Disclosure of Invention
The present invention is directed to a post-injection trimming device and a trimming method for plastic parts, which solve the problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plastic parts's after injection molding trimming device, includes connecting seat and trimming mechanism, and the radial lateral wall symmetry of connecting seat is fixed to be equipped with two installation backup plates, and the trimming mechanism is fixed to be set up in the relative lateral wall of two installation backup plates and keep away from the one end of connecting seat, to the trimming mechanism that the local irregular position in plastic injection molding surface set up, but the quick cutting burr and polish repair operation is carried out to the cutting part, application scope is wide, improves the trimming efficiency after the injection molding.
The trimming mechanism comprises a cutting blade, a polishing block and a first elliptical stainless steel ring, wherein the cutting blade and the polishing block are symmetrically distributed on two sides of the first elliptical stainless steel ring, one end of one of the mounting backup plates, which is close to the connecting seat, is provided with a driving mechanism, the driving mechanism is utilized to provide power to drive the trimming mechanism to perform trimming operation, namely, the first elliptical stainless steel ring is driven to rotate between the two mounting backup plates, so that the cutting blade and the polishing block on two sides of the first elliptical stainless steel ring alternately operate, burrs on local irregular positions on the surface of an injection molding part are cut and polished, and trimming efficiency is improved.
The driving mechanism comprises a driving motor, the driving motor is fixedly arranged at the end part of one installation backup plate and is positioned between the two installation backup plates, a power shaft of the driving motor rotates to penetrate through the corresponding installation backup plates and then is connected with a first I-shaped wheel, the outer wall of a first elliptic stainless steel ring is fixedly provided with a pin shaft, the two pin shafts are respectively arranged on the two installation backup plates in a rotating mode, one pin shaft rotates to penetrate through the corresponding installation backup plates and then is connected with a second I-shaped wheel, a transmission chain is connected between the first I-shaped wheel and the second I-shaped wheel in a winding mode, the driving motor provides power to drive the first I-shaped wheel to rotate, the second I-shaped wheel is driven to rotate through the transmission chain as a transmission medium, namely, the first elliptic stainless steel ring is driven to rotate, so that cutting blades or polishing blocks on two sides of the first elliptic stainless steel ring are driven to rotate, alternate operation is realized, and burrs on local irregular positions on the surface of an injection molding piece are cut and polished, and trimming efficiency is improved.
In a further embodiment, the radial side wall of the connecting seat is fixedly provided with a handle, the handle is used for facilitating the operation of the integral structure, and the integral trimming mechanism can be extended into the uneven position of the surface of the injection molding piece, so that the rapid trimming operation is realized.
In a further embodiment, the two sides of the first elliptical stainless steel ring are provided with plug holes, connecting columns are slidably inserted in the plug holes, the tips of the two connecting columns are fixedly connected with the side walls of the cutting blade and the polishing block respectively, the cutting blade and the polishing block are connected with the side walls of the first elliptical stainless steel ring through the connecting columns, and when the first elliptical stainless steel ring rotates, the cutting blade and the polishing block can be driven to synchronously rotate.
In further embodiments, the inside radial lateral wall of spliced eye has offered the spacing groove of axial distribution, and the outer wall of spliced pole is fixed to be equipped with the fixture block with the inside slip joint of spacing groove, after the spliced pole inserts the spliced eye, in order to prevent that the spliced pole from rotating at will in the spliced eye and leading to cutting blade or the piece of polishing to rotate, dislocation with injection molding surface burr influences cutting and polishing operation, utilizes the fixture block to slide the joint along spacing groove inside, can avoid the spliced pole to rotate at will in the spliced eye.
In a further embodiment, the trimming mechanism comprises a second oval stainless steel ring, the second oval stainless steel ring is located inside the first oval stainless steel ring, two plug-in seats are rotationally arranged on the outer wall of the second oval stainless steel ring and are plugged with the end parts of the connecting columns through threaded grooves, the connecting columns are fixedly connected with the plug-in seats, and then the cutting blades or the polishing blocks can be fixed, so that the connecting columns can be prevented from driving the cutting blades or the polishing blocks to shake at random on two sides of the first oval stainless steel ring.
In a further embodiment, the outer wall of the connecting column is fixedly sleeved with a limiting disc between the second elliptical stainless steel ring and the first elliptical stainless steel ring, and the second elliptical stainless steel ring can be stably arranged in the first elliptical stainless steel ring by arranging the limiting disc.
In a further embodiment, the cutting blade is of an arc-shaped section, and the cutting blade is convenient to cut burrs of the injection molding piece by arranging the arc-shaped section, the polishing block is of a cylindrical structure, and the radial side wall of the cylindrical structure can be utilized to polish and repair the cutting part.
Preferably, the method for repairing the plastic part after injection molding comprises the following steps:
a1, driving a trimming mechanism to perform trimming operation by using power provided by a driving mechanism, namely driving a first elliptical stainless steel ring to rotate between two mounting backup plates, so that cutting blades and polishing blocks on two sides of the first elliptical stainless steel ring alternately operate, cutting and polishing trimming operation is performed on burrs at local irregular positions on the surface of an injection molding part, and trimming efficiency is improved;
a2, in the trimming process, if the cutting blade or the grinding block touches harder burrs in the rotating operation process, the cutting blade or the grinding block is prevented from being damaged due to hard contact with the burrs through compression deformation of the first elliptic stainless steel ring, and the service life of the cutting blade or the grinding block is influenced;
a3, in the trimming process, if the cutting blade or the polishing block touches harder burrs in the rotating operation process, the compression deformation of the first elliptic stainless steel ring can be utilized, the hard contact burrs of the cutting blade or the polishing block are avoided, the cutting blade or the polishing block is damaged, and the service life of the cutting blade or the polishing block is influenced.
Compared with the prior art, the invention has the beneficial effects that:
according to the trimming mechanism arranged at the local irregular position of the surface of the plastic injection molding part, the driving mechanism is used for providing power to drive the trimming mechanism to perform trimming operation, namely, the cutting blades and the polishing blocks on two sides of the first elliptic stainless steel ring are driven to perform alternating operation, burrs can be quickly cut off, polishing and repairing operation can be performed on the cutting part, the application range is wide, and the trimming efficiency of the injection molding part after injection molding is improved.
Drawings
FIG. 1 is an exploded view of the main structure of the present invention;
FIG. 2 is a cross-sectional view of a first oval stainless steel ring structure of the present invention;
FIG. 3 is a schematic view of a connecting column according to the present invention;
fig. 4 is a schematic view of a cutting blade according to the present invention.
In the figure: 1. a connecting seat; 11. installing a backup plate; 12. a handle; 2. a trimming mechanism; 21. a first elliptical stainless steel ring; 22. a connecting column; 23. polishing the block; 24. a cutting blade; 25. a second elliptical stainless steel ring; 26. a socket; 27. a second spool; 28. a limit groove; 29. a limiting disc; 210. a clamping block; 3. a driving mechanism; 31. a driving motor; 32. a first spool; 33. and a transmission chain.
Detailed Description
The following description will clearly and fully describe the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, the embodiment provides a post-injection trimming device and a trimming method for plastic parts, which comprises a connecting seat 1 and a trimming mechanism 2, wherein two mounting backup plates 11 are symmetrically and fixedly arranged on radial side walls of the connecting seat 1, the trimming mechanism 2 is fixedly arranged at one end, far away from the connecting seat 1, of the opposite side walls of the two mounting backup plates 11, and the trimming mechanism 2 arranged at a local irregular position on the surface of a plastic injection molding part can quickly cut burrs and polish and repair cut parts, so that the application range is wide, and the trimming efficiency of the injection molding part after injection molding is improved.
The trimming mechanism 2 comprises a cutting blade 24, a polishing block 23 and a first elliptical stainless steel ring 21, wherein the cutting blade 24 and the polishing block 23 are symmetrically distributed on two sides of the first elliptical stainless steel ring 21, pin shafts are fixedly arranged on the outer wall of the first elliptical stainless steel ring 21, the two pin shafts are respectively arranged on the two mounting backup plates 11 in a rotating mode, one end, close to the connecting seat 1, of one mounting backup plate 11 is provided with a driving mechanism 3, the driving mechanism 3 is used for providing power to drive the trimming mechanism 2 to perform trimming operation, namely the first elliptical stainless steel ring 21 is driven to rotate between the two mounting backup plates 11, the cutting blades 24 and the polishing blocks 23 on two sides of the first elliptical stainless steel ring 21 alternately operate, burrs on local irregular positions on the surface of an injection molding piece are cut and polished, and trimming efficiency is improved.
The two sides of the first elliptic stainless steel ring 21 are provided with inserting holes, connecting columns 22 are slidably inserted in the inserting holes, the tips of the two connecting columns 22 are fixedly connected with the side walls of the cutting blade 24 and the polishing block 23 respectively, the cutting blade 24 and the polishing block 23 are connected with the side walls of the first elliptic stainless steel ring 21 by the connecting columns 22, and when the first elliptic stainless steel ring 21 rotates, the cutting blade 24 and the polishing block 23 can be driven to synchronously rotate.
In the trimming process, if the cutting blade 24 or the grinding block 23 touches harder burrs in the rotating process, the hard contact of the cutting blade 24 or the grinding block 23 with burrs can be avoided through the compression deformation of the first elliptic stainless steel ring 21, so that the cutting blade 24 or the grinding block 23 is damaged, and the service life of the cutting blade 24 or the grinding block 23 is influenced.
The driving mechanism 3 comprises a driving motor 31, the driving motor 31 is fixedly arranged at the end part of one installation backup plate 11 and is positioned between two installation backup plates 11, a power shaft of the driving motor 31 rotates to penetrate through the corresponding installation backup plate 11 and then is connected with a first I-shaped wheel 32, one pin shaft rotates to penetrate through the corresponding installation backup plate 11 and then is connected with a second I-shaped wheel 27, a transmission chain 33 is wound between the first I-shaped wheel 32 and the second I-shaped wheel 27, the driving motor 31 provides power to drive the first I-shaped wheel 32 to rotate, the second I-shaped wheel 27 is driven to rotate through the transmission chain 33 as a transmission medium, namely, the first oval-shaped stainless steel ring 21 is driven to rotate, so that cutting blades 24 or polishing blocks 23 on two sides of the first oval-shaped stainless steel ring 21 are driven to rotate, alternate operation is realized, burrs on partial irregular positions on the surface of an injection molding piece are cut and polished, and trimming efficiency is improved.
Example two
Referring to fig. 1-4, a further improvement was made over example 1:
the handle 12 is fixedly arranged on the radial side wall of the connecting seat 1, the handle 12 is used for facilitating the operation of the integral structure, and the whole trimming mechanism 2 can be extended into the uneven position of the surface of the injection molding piece, so that the rapid trimming operation is realized.
The limiting groove 28 of axial distribution has been seted up to the inside radial lateral wall of spliced eye, and the outer wall of spliced pole 22 is fixed to be equipped with the fixture block 210 with the inside slip joint of limiting groove 28, after spliced pole 22 inserts the spliced eye, in order to prevent spliced pole 22 and rotate at the spliced eye is inside to lead to cutting blade 24 or grinding piece 23 to rotate at will, misplaces with injection molding surface burr, influences cutting and polishing operation, utilizes fixture block 210 along the inside slip joint of limiting groove 28, can avoid spliced pole 22 at the inside rotation at will of spliced eye.
In order to enhance the stability of the cutting blade 24 or the grinding block 23 during rotation, the trimming mechanism 2 comprises a second oval stainless steel ring 25, the second oval stainless steel ring 25 is positioned in the first oval stainless steel ring 21, two inserting seats 26 are rotatably arranged on the outer wall of the second oval stainless steel ring 25, the inserting seats 26 are inserted into the end parts of the connecting columns 22 through threaded grooves, the connecting columns 22 are fixedly connected with the inserting seats 26, and the cutting blade 24 or the grinding block 23 can be fixed, so that the connecting columns 22 can be prevented from driving the cutting blade 24 or the grinding block 23 to shake at will on two sides of the first oval stainless steel ring 21.
In addition, in the trimming process, if the cutting blade 24 or the grinding block 23 touches the harder burrs in the rotating process, not only the compression deformation of the first elliptical stainless steel ring 21, but also the compression deformation of the second elliptical stainless steel ring 25 can be utilized, so that the cutting blade 24 or the grinding block 23 is prevented from being in hard contact with the burrs, the cutting blade 24 or the grinding block 23 is damaged, and the service life of the cutting blade 24 or the grinding block 23 is influenced.
The limiting disc 29 positioned between the second oval stainless steel ring 25 and the first oval stainless steel ring 21 is fixedly sleeved on the outer wall of the connecting column 22, and the second oval stainless steel ring 25 can be stably arranged in the first oval stainless steel ring 21 by arranging the limiting disc 29.
The cutting blade 24 is arc-shaped in section, and through setting up arc-shaped structure, the convenient cutting blade 24 cuts the operation to injection molding burr, and the polishing piece 23 is the cylindricality structure, and the radial lateral wall of usable cylindricality structure is polished the trimming operation to the cutting part.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a plastic parts's after injection molding refurbishment device, includes connecting seat (1) and trimming mechanism (2), its characterized in that: two mounting backup plates (11) are symmetrically and fixedly arranged on the radial side wall of the connecting seat (1), and the trimming mechanism (2) is fixedly arranged at one end, far away from the connecting seat (1), of the opposite side wall of the two mounting backup plates (11);
the trimming mechanism (2) comprises a cutting blade (24), a polishing block (23) and a first elliptical stainless steel ring (21), wherein the cutting blade (24) and the polishing block (23) are symmetrically distributed on two sides of the first elliptical stainless steel ring (21), and one end, close to the connecting seat (1), of one mounting backup plate (11) is provided with a driving mechanism (3);
the driving mechanism (3) comprises a driving motor (31), the driving motor (31) is fixedly arranged at the end part of one installation backup plate (11) and is positioned between the two installation backup plates (11), a power shaft of the driving motor (31) rotates to penetrate through the corresponding installation backup plate (11) and then is connected with a first I-shaped wheel (32), the outer wall of the first oval stainless steel ring (21) is fixedly provided with a pin shaft, the two pin shafts are respectively arranged on the two installation backup plates (11) in a rotating mode, one pin shaft is connected with a second I-shaped wheel (27) after penetrating through the corresponding installation backup plate (11), and a transmission chain (33) is connected between the first I-shaped wheel (32) and the second I-shaped wheel (27) in a winding mode.
2. An injection post-finishing device for plastic parts according to claim 1, wherein: the radial side wall of the connecting seat (1) is fixedly provided with a handle (12).
3. An injection post-finishing device for plastic parts according to claim 1, wherein: the two sides of the first elliptic stainless steel ring (21) are provided with splicing holes, connecting columns (22) are slidably spliced in the splicing holes, and the tips of the two connecting columns (22) are fixedly connected with the side walls of the cutting blade (24) and the polishing block (23) respectively.
4. A post-injection molding refurbishing apparatus for a plastic part as defined in claim 3, wherein: the radial lateral wall in the inside of spliced eye has offered spacing groove (28) of axial distribution, the outer wall of spliced pole (22) is fixed be equipped with fixture block (210) of the inside slip joint of spacing groove (28).
5. A post-injection molding refurbishing apparatus for a plastic part as defined in claim 3, wherein: the trimming mechanism (2) comprises a second oval stainless steel ring (25), the second oval stainless steel ring (25) is located inside the first oval stainless steel ring (21), two plug seats (26) are rotatably arranged on the outer wall of the second oval stainless steel ring (25), and the plug seats (26) are plugged with the end parts of the connecting columns (22) through thread grooves.
6. An injection post-mold refurbishment device for plastic parts as defined in claim 5, wherein: and a limiting disc (29) positioned between the second elliptical stainless steel ring (25) and the first elliptical stainless steel ring (21) is fixedly sleeved on the outer wall of the connecting column (22).
7. An injection post-finishing device for plastic parts according to claim 1, wherein: the cutting blade (24) is of an arc-shaped section, and the polishing block (23) is of a cylindrical structure.
8. A method of refurbishing a post-injection refurbishing apparatus for plastic parts, according to the post-injection refurbishing apparatus for plastic parts as defined in claim 7, comprising the steps of:
a1, a driving mechanism (3) is used for providing power to drive a trimming mechanism (2) to perform trimming operation, namely a first elliptical stainless steel ring (21) is driven to rotate between two mounting backup plates (11), so that cutting blades (24) and polishing blocks (23) on two sides of the first elliptical stainless steel ring (21) alternately operate, burrs on local irregular positions on the surface of an injection molding part are cut and polished, and trimming efficiency is improved;
a2, in the finishing process, if the cutting blade (24) or the grinding block (23) touches harder burrs in the rotating operation process, the cutting blade (24) or the grinding block (23) can be prevented from being in hard contact with the burrs through compression deformation of the first elliptic stainless steel ring (21), so that the cutting blade (24) or the grinding block (23) is damaged, and the service life of the cutting blade (24) or the grinding block (23) is influenced;
a3, in the trimming process, if the cutting blade (24) or the grinding block (23) touches harder burrs in the rotating operation process, the compression deformation of the first elliptical stainless steel ring (21) can be utilized, the compression deformation of the second elliptical stainless steel ring (25) can be utilized, the hard contact of the cutting blade (24) or the grinding block (23) with the burrs is avoided, the cutting blade (24) or the grinding block (23) is damaged, and the service life of the cutting blade (24) or the grinding block (23) is influenced.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111527227.8A CN114228009B (en) | 2021-12-14 | 2021-12-14 | Post-injection trimming device and method for plastic parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111527227.8A CN114228009B (en) | 2021-12-14 | 2021-12-14 | Post-injection trimming device and method for plastic parts |
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| CN114228009A CN114228009A (en) | 2022-03-25 |
| CN114228009B true CN114228009B (en) | 2023-06-20 |
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| CN110789075A (en) * | 2019-11-06 | 2020-02-14 | 陈汉元 | Injection molding surface finishing processing method for plastic preservation box |
| CN210849564U (en) * | 2019-11-19 | 2020-06-26 | 台山市丰博环保科技有限公司 | Glass tempering manure pit head demolding cutting device |
| CN211467225U (en) * | 2019-12-06 | 2020-09-11 | 合肥利嘉塑业有限公司 | Fringed edge polishing device for production of refrigerator injection molding parts |
| CN212045794U (en) * | 2019-11-30 | 2020-12-01 | 苏州创优塑胶科技有限公司 | Robot laser dysmorphism injection molding mouth of a river cutting device |
| CN112388321A (en) * | 2020-11-03 | 2021-02-23 | 广州梵智产品设计有限公司 | Stainless steel cutting equipment of polishing |
| CN214721166U (en) * | 2021-04-30 | 2021-11-16 | 德通（连江）金属容器有限公司 | Easy open can jar body trimming device |
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2021
- 2021-12-14 CN CN202111527227.8A patent/CN114228009B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA942066A (en) * | 1970-08-28 | 1974-02-19 | Derek H. G. Prowse | Abrasive cutting device |
| EP1657040A1 (en) * | 2004-11-16 | 2006-05-17 | BBR Automation | Sprue cutting device |
| CN103640045A (en) * | 2013-09-09 | 2014-03-19 | 联合纸巾技术有限公司 | Knife grinder and cutting machine |
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| CN214721166U (en) * | 2021-04-30 | 2021-11-16 | 德通（连江）金属容器有限公司 | Easy open can jar body trimming device |
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| CN114228009A (en) | 2022-03-25 |
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