CN109968642B - Plastic sheet numerical control three-D thermoforming equipment - Google Patents
Plastic sheet numerical control three-D thermoforming equipment Download PDFInfo
- Publication number
- CN109968642B CN109968642B CN201910240281.0A CN201910240281A CN109968642B CN 109968642 B CN109968642 B CN 109968642B CN 201910240281 A CN201910240281 A CN 201910240281A CN 109968642 B CN109968642 B CN 109968642B
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- Prior art keywords
- belt
- frame
- driving
- rotating shafts
- transverse rotating
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- 239000002985 plastic film Substances 0.000 title claims abstract description 21
- 238000003856 thermoforming Methods 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 27
- 229920003023 plastic Polymers 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7162—Boxes, cartons, cases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to a plastic sheet numerical control three-D thermoforming device, wherein a fixing device driven by a lifting mechanism to lift along the Z direction is arranged on a rack, the fixing device comprises a plastic clamping plate which is positioned at the upper side and the lower side and is used for clamping a plastic sheet, a film rod holder which is positioned at the upper side of the plastic clamping plate and is driven by a driving device to move along the X, Y direction is arranged on the rack, and a heater for heating and forming a film rod is arranged at the upper end of the film rod holder. The numerical control three-D thermoforming device for the plastic sheet is compact in structure and convenient to use for rapid forming of the plastic sheet.
Description
Technical Field
The invention relates to a plastic sheet numerical control three-D thermoforming device.
Background
At present, the plastic material is formed and processed mainly by using a die on various plastic forming machines, and plastic sheets with the thickness of less than 2mm are mainly formed by adopting a plastic sucking method, namely, the plastic sheets are placed on a plastic sucking machine, and are adsorbed on the die through negative pressure generated by the plastic sucking machine, so that a shell-shaped plastic piece consistent with the shape of the die is obtained. The molding of plastic parts by means of a mold is generally applied to mass production, and single-piece and small-batch production is often not suitable for adopting the method because of high cost, and no method particularly suitable for producing single-piece and small-batch thin-shell plastic parts exists at present.
Disclosure of Invention
The invention aims to provide the numerical control three-D thermoforming equipment for the plastic sheet, which has compact structure, is convenient for rapid forming of the plastic sheet, and is suitable for production of single-piece and small-batch thin-shell plastic pieces.
The technical scheme of the invention is as follows: the utility model provides a three D thermoforming equipment of plastic sheet numerical control, be provided with the fixing device who goes up and down along the Z direction by elevating system drive in the frame, fixing device is including being located upper and lower side and being used for the plastics splint of centre gripping, be provided with in the frame and be located the upside of plastics splint and drive the membrane pole holder that realizes removing along X, Y direction by drive arrangement, the heater that is used for the shaping membrane pole of heating is installed to the upper end of membrane pole holder.
Further, elevating system is including vertical the setting in the vertical axle of frame both sides portion front and back side, vertical axle and the lateral part sliding fit of plastics splint, the front and back side of frame is provided with first horizontal pivot respectively, and the downside that is located first horizontal pivot is provided with the horizontal pivot of second respectively, the middle part of first horizontal pivot and the horizontal pivot of second is provided with the band pulley respectively, is provided with first drive belt between the band pulley of the horizontal pivot of first horizontal pivot and the horizontal pivot of second that is located same one side respectively, first drive belt is connected with plastics splint, the rear side of frame is provided with the rotatory first actuating mechanism of drive first horizontal pivot.
Further, the first driving mechanism comprises a cantilever mount arranged at the rear side of the frame, a first driving belt wheel driven to rotate by a first motor is arranged on the cantilever mount, and the first driving belt wheel is connected with a first driven belt wheel arranged on a first transverse rotating shaft at the rear side of the frame through a second transmission belt.
Further, the driving device comprises a longitudinal sliding rod longitudinally arranged at the upper end of the frame and in sliding fit with the heater, a first belt transmission mechanism for driving the longitudinal sliding rod to transversely move is arranged on the upper portion of the frame, a transverse sliding rod in sliding fit with the heater is transversely arranged on the frame, and a second belt transmission mechanism for driving the transverse sliding rod to longitudinally move is further arranged on the frame.
Further, the first belt transmission mechanism comprises longitudinal rotating shafts arranged on two sides of the top of the frame, belt wheels are respectively arranged in front of and behind the longitudinal rotating shafts, a third transmission belt is arranged between the two belt wheels arranged in front of the two longitudinal rotating shafts, a fourth transmission belt is arranged between the two belt wheels arranged behind the two longitudinal rotating shafts, the front end and the rear end of the longitudinal sliding rod are respectively connected with the third transmission belt and the fourth transmission belt, and a second driving mechanism for driving the longitudinal rotating shafts to rotate is arranged on one side of the frame.
Further, the second driving mechanism comprises a first vertical arm arranged at the rear part of one side of the frame, a second driving belt wheel driven to rotate by a second motor is arranged on the first vertical arm, and the second driving belt wheel is connected with a second driven belt wheel arranged on a longitudinal rotating shaft on one side of the frame through a fifth driving belt.
Further, the second belt transmission mechanism comprises third transverse rotating shafts arranged on the front side and the rear side of the upper portion of the frame, belt wheels are respectively arranged at two side ends of the third transverse rotating shafts, a fifth transmission belt is arranged between two belt wheels at one end of each of the two third transverse rotating shafts, a sixth transmission belt is arranged between two belt wheels at the other end of each of the two third transverse rotating shafts, two ends of the transverse sliding rod are respectively connected with the sixth transmission belt and the seventh transmission belt, and a third driving mechanism for driving the third transverse rotating shafts to rotate is arranged at one side of the frame.
Further, the third driving mechanism comprises a second vertical arm arranged at the front part of one side of the frame, a third driving belt wheel driven to rotate by a third motor is arranged on the second vertical arm, and the third driving belt wheel is connected with a third driven belt wheel arranged on a third transverse rotating shaft at the front side of the frame through an eighth driving belt.
Compared with the prior art, the invention has the following advantages: the method is suitable for the production of single-piece and small-batch thin-shell plastic pieces such as gift boxes, packaging boxes, ornament covers and the like, is particularly suitable for the production of products with personalized requirements such as birthday cake boxes, advertising boards, special-shaped lamp covers and the like, and can reduce the production period and the production cost of the products.
Drawings
FIG. 1 is a schematic view of the structure of an inventive forming machine;
FIG. 2 is a side view of a forming machine of the present invention;
FIG. 3 is a top view of the forming machine of the present invention;
FIG. 4 is a schematic drawing of a forming process of an arbitrary curved surface according to the first embodiment of the present invention;
FIG. 5 is a schematic view of a curved surface with a larger depth in a straight cylindrical shape according to a second embodiment of the present invention;
fig. 6 is a schematic view of curved surface forming with a larger depth of a cylindrical shape according to a third embodiment of the present invention.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 3
The utility model provides a three D thermoforming equipment of plastic sheet numerical control, includes frame 10, be provided with the fixing device who goes up and down along the Z direction by elevating system drive in the frame, fixing device is including being located upper and lower side and being used for the plastics splint 20 of centre gripping plastic sheet, and the downside that is located the plastics splint of downside is connected with shaping template 30, be provided with in the frame and be located the upside of plastics splint and realize the membrane pole holder 40 that removes along X, Y direction by drive arrangement drive, the heater that is used for the shaping membrane pole 41 of heating is installed to the upper end of membrane pole holder.
In this embodiment, the elevating system includes vertical axle 51 of vertical bottom plate 11 both sides portion front and back side that is fixed in the frame, vertical axle and the lateral part sliding fit of plastics splint, the front and back side of frame is provided with first horizontal pivot 52 respectively, and the downside that is located first horizontal pivot is provided with second horizontal pivot 53 respectively, the middle part of first horizontal pivot and second horizontal pivot is provided with band pulley 54 respectively, is provided with first drive belt 55 between the band pulley of first horizontal pivot and the second horizontal pivot that is located same one side respectively, first drive belt is connected with plastics splint, the rear side of frame is provided with the rotatory first actuating mechanism of drive first horizontal pivot. Thereby driving the first transverse rotating shaft to rotate and further driving the plastic clamping plate to lift.
In this embodiment, in order to better drive the first transverse rotating shaft at the rear side to rotate, the first driving mechanism includes a cantilever frame 56 disposed at the rear side of the frame, and a first driving pulley 57 driven to rotate by a first motor 60 is disposed on the cantilever frame and connected to a first driven pulley 59 disposed on the first transverse rotating shaft at the rear side of the frame via a second driving belt 58.
In this embodiment, the driving device includes a longitudinal sliding rod 61 longitudinally disposed at an upper end of the frame and longitudinally penetrating through the seat shell of the heater to be in sliding fit with the seat shell of the heater, a first belt transmission mechanism driving the longitudinal sliding rod to move transversely is disposed at an upper portion of the frame, a transverse sliding rod 62 penetrating through the seat shell of the heater to be in sliding fit with the seat shell of the heater is disposed transversely on the frame, and a second belt transmission mechanism driving the transverse sliding rod to move longitudinally is also disposed on the frame.
In this embodiment, for better driving the longitudinal sliding rod to move transversely, the first belt transmission mechanism includes longitudinal rotating shafts 63 disposed on two sides of the top of the frame, pulleys 64 are disposed in front of and behind the longitudinal rotating shafts, a third transmission belt 65 is disposed between two pulleys located in front of the two longitudinal rotating shafts, a fourth transmission belt 66 is disposed between two pulleys located behind the two longitudinal rotating shafts, front and rear ends of the longitudinal sliding rod are respectively connected with fixing blocks 70 fixed on the third transmission belt and the fourth transmission belt, and a second driving mechanism for driving the longitudinal rotating shafts to rotate is disposed on one side of the frame.
In this embodiment, in order to drive the longitudinal shaft to rotate, the second driving mechanism includes a first vertical arm disposed at a rear portion of one side of the frame, and a second driving pulley 67 driven to rotate by a second motor 79 is disposed on the first vertical arm, and the second driving pulley is connected to a second driven pulley 69 disposed on the longitudinal shaft on one side of the frame via a fifth driving belt 58.
In this embodiment, for better driving the transverse sliding rod to move longitudinally, the second belt transmission mechanism includes a third transverse rotating shaft 71 disposed on the front and rear sides of the upper portion of the frame, two side ends of the third transverse rotating shaft are respectively provided with a belt pulley 72, a fifth transmission belt 73 is disposed between two belt pulleys located at one end of the two third transverse rotating shafts, a sixth transmission belt 74 is disposed between two belt pulleys located at the other end of the two third transverse rotating shafts, two ends of the transverse sliding rod are respectively connected with a fixed block 78 fixed on the sixth transmission belt and the seventh transmission belt, and one side of the frame is provided with a third driving mechanism for driving the third transverse rotating shaft to rotate.
In this embodiment, in order to drive the third transverse rotating shaft to rotate, the third driving mechanism includes a second vertical arm disposed at a front portion of one side of the frame, and a third driving pulley 75 driven to rotate by a third motor 80 is disposed on the second vertical arm, and the third driving pulley is connected to a third driven pulley 77 disposed on the third transverse rotating shaft at the front side of the frame through an eighth driving belt 76.
Working principle: fixing the plastic sheet on a fixing device, and inputting a three-D pattern to be formed; starting automatic programming software to form a numerical control three-D forming driving program, selecting a forming die rod to be installed in a die rod holder, returning the die rod holder to the coordinate origin of a machine tool, and heating the forming die rod to a temperature matched with the forming temperature of the plastic sheet; and starting a forming driving program, and driving the forming die rod to move according to the forming driving program by a driving device, wherein the plane position of the forming die rod is determined by the axial movement of X, Y in two directions, and the axial movement in the Z direction is responsible for stretching and forming the plastic sheet along the Z axis direction. In the forming process, the driving program changes the Nth forming film rod according to the forming requirement, or selects primary stretching, secondary stretching or N times of stretching according to the forming depth, or the forming die rod moves and rotates the forming die rod in a compound motion stretching mode.
The foregoing is only illustrative of the preferred embodiments of the present invention, and it will be apparent to those skilled in the art from this disclosure that, based upon the teachings herein, no inventive effort is required to devise a plastic sheet numerical control three D thermoforming apparatus of various forms that, while maintaining the spirit and scope of the present invention, embody the principles, adaptations and variations of the invention as defined by the appended claims.
Claims (2)
1. The numerical control three-D thermoforming equipment for the plastic sheet comprises a frame, and is characterized in that a fixing device driven by a lifting mechanism to lift along the Z direction is arranged on the frame, the fixing device comprises a plastic clamping plate which is positioned at the upper side and the lower side and is used for clamping the plastic sheet, a film rod holder which is positioned at the upper side of the plastic clamping plate and is driven by a driving device to move along the X, Y direction is arranged on the frame, and a heater for heating and forming a film rod is arranged at the upper end of the film rod holder; the lifting mechanism comprises vertical shafts vertically arranged on the front side and the rear side of two sides of the frame, the vertical shafts are in sliding fit with the sides of the plastic clamping plates, the front side and the rear side of the frame are respectively provided with a first transverse rotating shaft, the lower sides of the first transverse rotating shafts are respectively provided with a second transverse rotating shaft, the middle parts of the first transverse rotating shafts and the second transverse rotating shafts are respectively provided with belt wheels, first driving belts are respectively arranged between the belt wheels of the first transverse rotating shafts and the second transverse rotating shafts on the same side, the first driving belts are connected with the plastic clamping plates, and the rear side of the frame is provided with a first driving mechanism for driving the first transverse rotating shafts to rotate; the first driving mechanism comprises a cantilever mount arranged at the rear side of the frame, a first driving belt pulley driven to rotate by a first motor is arranged on the cantilever mount, and the first driving belt pulley is connected with a first driven belt pulley arranged on a first transverse rotating shaft at the rear side of the frame through a second transmission belt; the driving device comprises a longitudinal sliding rod longitudinally arranged at the upper end of the frame and in sliding fit with the heater, a first belt transmission mechanism for driving the longitudinal sliding rod to transversely move is arranged at the upper part of the frame, a transverse sliding rod in sliding fit with the heater is transversely arranged on the frame, and a second belt transmission mechanism for driving the transverse sliding rod to longitudinally move is also arranged on the frame; the first belt transmission mechanism comprises longitudinal rotating shafts arranged on two sides of the top of the frame, belt pulleys are respectively arranged in front of and behind the longitudinal rotating shafts, a third transmission belt is arranged between the two belt pulleys positioned in front of the two longitudinal rotating shafts, a fourth transmission belt is arranged between the two belt pulleys positioned in rear of the two longitudinal rotating shafts, the front end and the rear end of the longitudinal sliding rod are respectively connected with the third transmission belt and the fourth transmission belt, and a second driving mechanism for driving the longitudinal rotating shafts to rotate is arranged on one side of the frame; the second driving mechanism comprises a first vertical arm arranged at the rear part of one side of the frame, a second driving belt wheel driven to rotate by a second motor is arranged on the first vertical arm, and the second driving belt wheel is connected with a second driven belt wheel arranged on a longitudinal rotating shaft at one side of the frame through a fifth driving belt; the second belt transmission mechanism comprises third transverse rotating shafts arranged on the front side and the rear side of the upper part of the frame, belt wheels are respectively arranged at two side ends of the third transverse rotating shafts, a fifth transmission belt is arranged between two belt wheels at one end of each of the two third transverse rotating shafts, a sixth transmission belt is arranged between two belt wheels at the other end of each of the two third transverse rotating shafts, two ends of the transverse sliding rod are respectively connected with the sixth transmission belt and the seventh transmission belt, and a third driving mechanism for driving the third transverse rotating shafts to rotate is arranged at one side of the frame; the third driving mechanism comprises a second vertical arm arranged at the front part of one side of the frame, a third driving belt wheel driven to rotate by a third motor is arranged on the second vertical arm, and the third driving belt wheel is connected with a third driven belt wheel arranged on a third transverse rotating shaft at the front side of the frame through an eighth driving belt.
2. The plastic sheet numerical control three D thermoforming apparatus of claim 1, wherein the underside of the plastic splint is further provided with a forming template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910240281.0A CN109968642B (en) | 2019-03-28 | 2019-03-28 | Plastic sheet numerical control three-D thermoforming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910240281.0A CN109968642B (en) | 2019-03-28 | 2019-03-28 | Plastic sheet numerical control three-D thermoforming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109968642A CN109968642A (en) | 2019-07-05 |
| CN109968642B true CN109968642B (en) | 2024-04-12 |
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ID=67081101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910240281.0A Active CN109968642B (en) | 2019-03-28 | 2019-03-28 | Plastic sheet numerical control three-D thermoforming equipment |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2229613A (en) * | 1938-11-22 | 1941-01-21 | Plax Corp | Process of and apparatus for forming articles from plastic sheet material |
| CN1799815A (en) * | 2006-01-06 | 2006-07-12 | 郏银芳 | Full-automatic plastic suction forming machine |
| CN200970903Y (en) * | 2006-10-16 | 2007-11-07 | 汕头市粤东机械厂有限公司 | Sheet heating device of plastic cup shaping filling machine |
| CN204674013U (en) * | 2015-06-04 | 2015-09-30 | 瑞安市永旭机械有限公司 | Plastic molding press |
| CN204687338U (en) * | 2015-06-04 | 2015-10-07 | 瑞安市永旭机械有限公司 | Plastic sheet forming integrated machine |
| CN209920520U (en) * | 2019-03-28 | 2020-01-10 | 厦门大学嘉庚学院 | Numerical control three-D thermoforming device for plastic sheet |
-
2019
- 2019-03-28 CN CN201910240281.0A patent/CN109968642B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2229613A (en) * | 1938-11-22 | 1941-01-21 | Plax Corp | Process of and apparatus for forming articles from plastic sheet material |
| CN1799815A (en) * | 2006-01-06 | 2006-07-12 | 郏银芳 | Full-automatic plastic suction forming machine |
| CN200970903Y (en) * | 2006-10-16 | 2007-11-07 | 汕头市粤东机械厂有限公司 | Sheet heating device of plastic cup shaping filling machine |
| CN204674013U (en) * | 2015-06-04 | 2015-09-30 | 瑞安市永旭机械有限公司 | Plastic molding press |
| CN204687338U (en) * | 2015-06-04 | 2015-10-07 | 瑞安市永旭机械有限公司 | Plastic sheet forming integrated machine |
| CN209920520U (en) * | 2019-03-28 | 2020-01-10 | 厦门大学嘉庚学院 | Numerical control three-D thermoforming device for plastic sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109968642A (en) | 2019-07-05 |
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