CN113733530B - Plastic part bending method - Google Patents
Plastic part bending method Download PDFInfo
- Publication number
- CN113733530B CN113733530B CN202110985942.XA CN202110985942A CN113733530B CN 113733530 B CN113733530 B CN 113733530B CN 202110985942 A CN202110985942 A CN 202110985942A CN 113733530 B CN113733530 B CN 113733530B
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- Prior art keywords
- bending
- plastic part
- workpiece
- driving mechanism
- positioning rod
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- 238000005452 bending Methods 0.000 title claims abstract description 160
- 239000004033 plastic Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000002991 molded plastic Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007493 shaping 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a plastic part bending method, which comprises the following steps: providing a plastic part to be bent, wherein a right-angle notch is pre-processed on the plastic part, and a first positioning hole and a second positioning hole are positioned on two sides of the right-angle notch; placing the plastic part on a workpiece placing base, wherein the plastic part is sleeved with a first positioning rod and a second positioning rod through a first positioning hole and a second positioning hole; starting a hot air assembly and a cooling assembly, wherein the hot air pipe supplies air to the right-angle notch part of the plastic part for heating, and the cooling assembly cools the workpiece placing base; after heating for a preset time interval, closing the hot air assembly; and starting the first driving mechanism and the bending auxiliary mechanism, wherein the first driving mechanism drives the bending die to do linear motion towards the plastic part, and applies pressure to the right-angle notch part of the plastic part, and the bending auxiliary mechanism drives the first positioning rod and the second positioning rod to move in opposite directions so as to bend the two ends of the plastic part towards the middle part. The invention can reduce energy consumption and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of accessory processing, in particular to a plastic part bending method.
Background
Some products exist on the market, including plastic rims with right angles. In the prior art, the plastic frame is generally processed by bending after the plastic part to be processed is integrally heated. Because the plastic part needs to be heated integrally, the energy consumption is high, the time consumption of heating is long, the processing efficiency is low, the temperature of the bent plastic part is high, and the plastic part needs to be placed for cooling, so that the energy consumption is wasted.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a plastic part bending method which can reduce energy consumption and improve production efficiency.
According to the plastic part bending method, based on a plastic part bending device, the plastic part bending device comprises a workbench, a workpiece placement base, a hot air pipe, a bending die and a bending auxiliary mechanism, wherein the workpiece placement base, the bending die and the bending auxiliary mechanism are all arranged on the workbench, a cooling component and a workpiece bending area are arranged on the workpiece placement base, the hot air pipe is arranged on the workpiece placement base and connected with the hot air component, an air outlet of the hot air pipe faces the workpiece bending area, the bending die is positioned on one side of the workpiece bending area, the bending die is connected with a first driving mechanism, the bending auxiliary mechanism is positioned at the bottom of the workpiece placement base, a first positioning rod and a second positioning rod are arranged on the bending auxiliary mechanism, and are respectively positioned on two sides of the bending die, and the plastic part bending method comprises the following steps:
providing a plastic part to be bent, wherein a right angle notch, and a first positioning hole and a second positioning hole which are positioned at two sides of the right angle notch are pre-processed on the plastic part;
placing the plastic part on the workpiece placing base, wherein the plastic part is sleeved with the first positioning rod and the second positioning rod through the first positioning hole and the second positioning hole;
starting the hot air assembly and the cooling assembly, wherein the hot air pipe supplies air to heat the right-angle notch part of the plastic part, and the cooling assembly cools the workpiece placing base;
after heating for a preset time interval, closing the hot air assembly;
the first driving mechanism is started and the bending auxiliary mechanism is started, wherein the first driving mechanism drives the bending die to do linear motion towards the plastic piece, pressure is applied to the right-angle notch part of the plastic piece, and the bending auxiliary mechanism drives the first positioning rod and the second positioning rod to move in opposite directions, so that two ends of the plastic piece are bent towards the middle part.
The plastic part bending method provided by the embodiment of the invention has at least the following beneficial effects:
the hot-blast main carries out the air supply to the right angle breach part of plastic part and heats, and the heat is concentrated, and the heating zone is little, is favorable to reducing the energy consumption and improves heating efficiency, when bending the mould to the plastic part, the auxiliary mechanism of bending can drive first locating lever and second locating lever and move in opposite directions to supplementary plastic part is bent, is favorable to improving bending efficiency and ensures the effect of bending.
According to some embodiments of the invention, an angle between the right-angle side of the right-angle notch and the edge of the plastic part is 45 °.
According to some embodiments of the invention, the plastic part is provided with a round corner at the corner of the right-angle notch.
According to some embodiments of the invention, the first positioning holes and the second positioning holes are equidistantly distributed on two sides of the right-angle notch.
According to some embodiments of the invention, the heating is performed for a preset time interval of 5-6 seconds.
According to some embodiments of the invention, the workpiece placement base comprises a base bottom plate and a workpiece bending template, the workpiece bending template is installed on the base bottom plate, and after the first driving mechanism and the bending auxiliary mechanism are started, the bending die abuts against and pushes the plastic part until the plastic part abuts against the workpiece bending template.
According to some embodiments of the invention, the workpiece bending template is provided with a right-angle concave position, and the right-angle concave position is adapted to the molded plastic part.
According to some embodiments of the present invention, a movable limiting rod is disposed on the workbench and located in the workpiece bending area, the movable limiting rod is perpendicular to the workbench, the movable limiting rod is connected with a third driving mechanism, and before the first driving mechanism and the bending auxiliary mechanism are started, the movable limiting rod further includes: and starting the third driving mechanism, and driving the movable limiting rod to descend by the third driving mechanism.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a plastic bending apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the circle shown in FIG. 1 at position A;
FIG. 3 is a second schematic diagram of a plastic bending device according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the circled position B in FIG. 3;
FIG. 5 is a schematic exploded view of a plastic bending apparatus according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of a bending assist mechanism of a plastic bending apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a bending die of a plastic bending device according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating steps of a method for bending a plastic part according to an embodiment of the invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, "first", "second", etc. are used for distinguishing technical features only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as "disposed," "mounted," "connected," and the like are to be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by those skilled in the art in combination with the specific contents of the technical solutions.
Referring to fig. 1, the present embodiment discloses a plastic part bending method based on a plastic part bending device. In order to facilitate understanding of the plastic part bending method of the present embodiment, a plastic part bending device of the present embodiment is described below. Referring to fig. 1 and 2, or referring to fig. 3 and 4, the present embodiment discloses a plastic bending device, which includes a workbench 100, a workpiece placement base 200, a hot air pipe 300, a bending die 400 and a bending auxiliary mechanism 500, wherein the workpiece placement base 200 is mounted on the workbench 100, a cooling component (not shown) and a workpiece bending area 010 are disposed on the workpiece placement base 200, the hot air pipe 300 is mounted on the workpiece placement base 200 and is connected with a hot air component (not shown), an air outlet of the hot air pipe 300 faces the workpiece bending area 010, the bending die 400 is mounted on the workbench 100 and is located at one side of the workpiece bending area 010, the bending die 400 can do linear motion towards or away from the workpiece bending area 010 for entering or exiting the workpiece bending area 010, the bending die 400 is connected with a first driving mechanism 410, referring to fig. 5 and 6, the bending auxiliary mechanism 500 is mounted on the workbench 100 and is located at the bottom of the workpiece placement base 200, a first positioning rod 510 and a second positioning rod 520 are disposed on the bending auxiliary mechanism 500, and the first positioning rod 510 and the second positioning rod 520 are located at two sides of the bending die 400 respectively and can move towards or away from the workpiece bending die 400.
In fig. 2 and fig. 4, when in use, the plastic part 020 to be processed is placed on the workpiece placement base 200, and is positioned and fixed through the first positioning rod 510 and the second positioning rod 520, the hot air pipe 300 can heat the part to be bent, the heat is concentrated, the heating area is small, the energy consumption is reduced, the heating efficiency is improved, and when the bending die 400 bends the plastic part 020, the bending auxiliary mechanism 500 can drive the first positioning rod 510 and the second positioning rod 520 to move in opposite directions, so as to assist the bending of the plastic part 020, and the bending efficiency is improved and the bending effect is ensured. It should be noted that, in the process of heating the plastic part 020, heat dissipation may cause the workpiece placement base 200 to be heated, so the cooling component is used for cooling the workpiece placement base 200, so as to avoid the excessive temperature of the workpiece placement base 200.
Referring to fig. 5, the workpiece placement base 200 includes a base bottom plate 210 and a workpiece bending template 220, two sides of the base bottom plate 210 are respectively provided with a first extension portion 211 and a second extension portion 212, an avoidance area between the first extension portion 211 and the second extension portion 212 is used as a workpiece bending area 010, the workpiece bending template 220 is mounted on the base bottom plate 210 and is adapted to the workpiece bending area 010, a right-angle concave position 221 (as shown in fig. 7) is arranged on the workpiece bending template 220, and the right-angle concave position 221 is adapted to the shape of the workpiece after being formed. When bending, the bending die 400 enters the workpiece bending area 010 under the drive of the first driving mechanism 410, and bends the plastic part 020 to be processed, so that the plastic part 020 can be molded rapidly.
Referring to fig. 5, a first fixing block 231 and a second fixing block 232 are mounted on the workpiece bending die plate 220, a first slider 233 is disposed between the first fixing block 231 and the second fixing block 232, and the hot air pipe 300 is mounted on the first slider 233. The first slider 233 is slidably connected with the first fixing block 231 and the second fixing block 232, respectively, so that the position of the first slider 233 can be flexibly adjusted, thereby facilitating the adjustment of the position of the hot air duct 300. It should be noted that, an included angle, for example, 30 °, 40 ° or 45 °, is formed between the hot air pipe 300 and the horizontal plane, so that heat dissipation is reduced and heat utilization rate is improved for the plastic part 020 to be processed.
The bottom of the base bottom plate 210 is provided with an avoidance cavity (not shown), and the bending auxiliary mechanism 500 is located in the avoidance cavity, so that the space is saved sufficiently, and the volume of the device is reduced.
Referring to fig. 5 and 6, the bending auxiliary mechanism 500 includes a second driving mechanism (not shown), a first movable arm 530 and a second movable arm 540, wherein a fixing rod 550 perpendicular to the workbench 100 is mounted on an output shaft of the second driving mechanism, and specifically, the fixing rod 550 is disposed through a guide hole provided on the workbench 100, and the second driving mechanism is located below the workbench 100. The second driving mechanism can drive the fixed rod 550 to move towards or back to the workpiece bending area 010, the first end of the first movable arm 530 and the second end of the second movable arm 540 are both rotatably connected with the fixed rod 550, the first positioning rod 510 is installed at the second end of the first movable arm 530, and the second positioning rod 520 is installed at the second end of the second movable arm 540. When the plastic part 020 to be processed is bent, the second driving mechanism drives the fixing rod 550 to move back to the workpiece bending area 010, so as to drive the first movable arm 530 and the second movable arm 540 to move. Because the workpiece bending template 220 is provided with the right-angle concave position 221, the right-angle concave position 221 plays a role in guiding the movement direction of the first positioning rod 510 and the second positioning rod 520, the first positioning rod 510 and the second positioning rod 520 move along the edge of the right-angle concave position 221 in opposite directions, and pull force is applied to two ends of the plastic part 020, so that the plastic part 020 is assisted to be bent.
With continued reference to fig. 6, a movable limiting rod 110 is disposed on the workbench 100 and located in the workpiece bending area 010, the movable limiting rod 110 is perpendicular to the workbench 100, and the movable limiting rod 110 is connected with a third driving mechanism. Referring to fig. 2, before bending, the movable limiting rod 110 plays a role in positioning and limiting the plastic part 020, referring to fig. 4, after the plastic part 020 is heated, the movable limiting rod 110 moves downwards under the driving of the third driving mechanism, so that the bending track of the plastic part 020 is avoided, and misoperation is prevented.
With continued reference to fig. 5 and 6, a first guide block 120 and a second guide block 130 are disposed on the table 100 and located at a side of the workpiece bending area 010, a second slide block 140 is installed between the first guide block 120 and the second guide block 130, a bending die 400 is installed at a side of the second slide block 140 adjacent to the workpiece bending area 010, and the bending die 400 is connected to a first driving mechanism 410 through the second slide block 140. The first guide block 120 and the second guide block 130 can play a role in limiting and guiding the second slide block 140, so that the bending die 400 can accurately bend the plastic part 020 to be processed.
In order to facilitate the replacement of the mold, the bending mold 400 is detachably connected with the second slider 140, for example, the bending mold 400 is connected with the second slider 140 by means of a clamping connection, for example, the bending mold 400 is connected with the second slider 140 by means of a threaded fastener, and of course, the bending mold 400 can be connected with the second slider 140 by means of a clamping connection, a threaded fastener and a combination of the clamping connection and the threaded fastener.
Referring to fig. 7, the bending die 400 includes a first right-angle platen 401 and a second right-angle platen 402 arranged up and down, the area of the first right-angle platen 401 is larger than that of the second right-angle platen 402, and the first right-angle platen 401 is closer to the workpiece bending area 010 than the second right-angle platen 402. The first right-angle pressing plate 401 and the second right-angle pressing plate 402 are respectively adapted to the upper side edge and the lower side edge of the plastic part 020 to be processed, and the right-angle parts of the first right-angle pressing plate 401 and the second right-angle pressing plate 402 apply pressure to the plastic part 020 to match with the workpiece bending template 220, so that the plastic part 020 can be rapidly bent and formed.
Referring to fig. 8, the plastic part bending method of the present embodiment includes steps S100 to S500, wherein the specific descriptions of the steps are as follows:
s100, referring to FIG. 2, a plastic part 020 to be bent is provided, wherein a right angle notch, a first positioning hole and a second positioning hole are pre-processed on the plastic part 020 and are positioned at two sides of the right angle notch;
s200, please continue to refer to FIG. 2, placing the plastic part 020 on the workpiece placement base 200, wherein the plastic part 020 is sleeved with the first positioning rod 510 and the second positioning rod 520 through the first positioning hole and the second positioning hole;
s300, starting a hot air assembly and a cooling assembly, wherein the hot air pipe 300 supplies air to heat the right-angle notch part of the plastic part 020, and the cooling assembly cools the workpiece placement base 200;
s400, after heating for a preset time interval, closing the hot air assembly;
s500, referring to FIG. 4, the first driving mechanism 410 and the bending auxiliary mechanism 500 are started, wherein the first driving mechanism 410 drives the bending die 400 to do linear motion towards the plastic part 020, and applies pressure to the right angle notch portion of the plastic part 020, and the bending auxiliary mechanism 500 drives the first positioning rod 510 and the second positioning rod 520 to move towards each other, so that the two ends of the plastic part 020 are bent towards the middle.
The hot-blast main 300 carries out the air supply heating to the right angle breach part of plastic part 020, and the heat is concentrated, and the heating zone is little, is favorable to reducing the energy consumption and improves heating efficiency, when bending mould 400 bends to plastic part 020, bend auxiliary mechanism 500 can drive first locating lever 510 and second locating lever 520 opposite movement to supplementary plastic part 020 is bent, is favorable to improving bending efficiency and ensures the effect of bending.
Specifically, referring to fig. 2, an included angle between a right-angle edge of the right-angle notch and an edge of the plastic part 020 is 45 °, and in the bending process, the right-angle edge of the right-angle notch can deform towards a center line of the right-angle notch, so that a right angle is formed after bending.
In order to facilitate processing and improve the intensity of plastic part 020, the corner processing that just is located the right angle breach on the plastic part 020 has the fillet, and the fillet can reduce the opening degree of depth of right angle breach to improve the joint strength of plastic part 020 at right angle breach part. The first locating holes and the second locating holes are equidistantly distributed on two sides of the right-angle notch, and in the process that the first locating rod 510 and the second locating rod 520 apply tension to the plastic part 020, the two ends of the plastic part 020 can be ensured to be stressed uniformly, and the bending angle is prevented from being inconsistent due to overlarge stress at one end.
In this embodiment, the preset heating time interval is 5-6 seconds, and the heat of the hot air sent out by the hot air pipe 300 is concentrated, and the heating area is small, so that the heating time can be shortened, the heating efficiency can be improved, and the heating energy consumption can be reduced.
Referring to fig. 5 and 7, the workpiece placement base 200 includes a base bottom plate 210 and a workpiece bending template 220, the workpiece bending template 220 is mounted on the base bottom plate 210, after the first driving mechanism 410 and the bending auxiliary mechanism 500 are started, the bending die 400 abuts against and pushes the plastic part 020 until the plastic part 020 abuts against the workpiece bending template 220, and the bending die 400 cooperates with the workpiece bending template 220 to bend and shape the plastic part 020, so that the stability of bending and shaping of the plastic part 020 is improved. Specifically, the workpiece bending template 220 is provided with a right-angle concave position 221, and the right-angle concave position 221 is adapted to the molded plastic part 020.
In this embodiment, a movable stop lever 110 is disposed on the workbench 100 and located in the workpiece bending area 010, the movable stop lever 110 is perpendicular to the workbench 100, the movable stop lever 110 is connected with a third driving mechanism, and before the first driving mechanism 410 and the bending auxiliary mechanism 500 are started, the device further includes: and the third driving mechanism is started, and drives the movable limiting rod 110 to descend, so that the bending motion track of the plastic part 020 can be avoided, and misoperation can be prevented.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (8)
1. The plastic part bending method is characterized in that the plastic part (020) bending device comprises a workbench (100), a workpiece placement base (200), a hot air pipe (300), a bending die (400) and a bending auxiliary mechanism (500), wherein the workpiece placement base (200), the bending die (400) and the bending auxiliary mechanism (500) are all installed on the workbench (100), a cooling component and a workpiece bending area (010) are arranged on the workpiece placement base (200), the hot air pipe (300) is installed on the workpiece placement base (200) and is connected with a hot air component, an air outlet of the hot air pipe (300) faces the workpiece bending area (010), the bending die (400) is positioned on one side of the workpiece bending area (010), the bending die (400) is connected with a first driving mechanism (410), the bending auxiliary mechanism (500) is positioned at the bottom of the workpiece placement base (200), a first positioning rod (510) and a second positioning rod (520) are arranged on the bending auxiliary mechanism (500), the first positioning rod (520) and the second positioning rod (520) are positioned on two sides of the first positioning rod (520) and the bending die (520) respectively,
the workpiece bending die plate (220) is provided with a first fixed block (231) and a second fixed block (232), a first sliding block (233) is arranged between the first fixed block (231) and the second fixed block (232), the hot air pipe (300) is arranged on the first sliding block (233), and the first sliding block (233) is respectively connected with the first fixed block (231) and the second fixed block (232) in a sliding mode;
the bending auxiliary mechanism (500) comprises a second driving mechanism, a first movable arm (530) and a second movable arm (540), wherein a fixed rod (550) perpendicular to the workbench (100) is arranged on an output shaft of the second driving mechanism, the fixed rod (550) penetrates through a guide hole formed in the workbench (100), and the second driving mechanism is positioned below the workbench (100); the second driving mechanism can drive the fixed rod (550) to move towards or back to the workpiece bending area (010), the first end of the first movable arm (530) and the second end of the second movable arm (540) are both rotationally connected with the fixed rod (550), the first positioning rod (510) is installed at the second end of the first movable arm (530), and the second positioning rod (520) is installed at the second end of the second movable arm (540);
the plastic part bending method comprises the following steps:
providing a plastic part (020) to be bent, wherein a right angle notch is pre-processed on the plastic part (020), and a first positioning hole and a second positioning hole are positioned at two sides of the right angle notch;
placing the plastic part (020) on the workpiece placement base (200), wherein the plastic part (020) is sleeved with the first positioning rod (510) and the second positioning rod (520) through the first positioning hole and the second positioning hole;
starting the hot air assembly and the cooling assembly, wherein the hot air pipe (300) supplies air to heat the right-angle notch part of the plastic part (020), and the cooling assembly cools the workpiece placement base (200);
after heating for a preset time interval, closing the hot air assembly;
the first driving mechanism (410) and the bending auxiliary mechanism (500) are started, wherein the first driving mechanism (410) drives the bending die (400) to do linear motion towards the plastic part (020), pressure is applied to a right-angle notch part of the plastic part (020), and the bending auxiliary mechanism (500) drives the first positioning rod (510) and the second positioning rod (520) to move towards each other so that two ends of the plastic part (020) are bent towards the middle part.
2. The method of bending plastic parts according to claim 1, characterized in that the angle between the right-angle edge of the right-angle notch and the edge of the plastic part (020) is 45 °.
3. The plastic part bending method according to claim 2, wherein rounded corners are machined on the plastic part (020) and located at the corners of the right-angle notch.
4. A method of bending a plastic part according to any one of claims 1 to 3, wherein the first positioning holes and the second positioning holes are equidistantly distributed on both sides of the right-angle notch.
5. The method of bending plastic parts according to claim 1, wherein the heating preset time interval is 5-6 seconds.
6. The plastic part bending method according to claim 1, wherein the workpiece placement base (200) includes a base bottom plate (210) and a workpiece bending die plate (220), the workpiece bending die plate (220) is mounted on the base bottom plate (210), and after the first driving mechanism (410) and the bending auxiliary mechanism (500) are started, the bending die (400) abuts against and pushes the plastic part (020) until the plastic part (020) abuts against the workpiece bending die plate (220).
7. The plastic part bending method according to claim 6, wherein the workpiece bending die plate (220) is provided with right-angle concave positions (221), and the right-angle concave positions (221) are adapted to the molded plastic part (020).
8. The plastic part bending method according to claim 1, wherein a movable limiting rod (110) is disposed on the workbench (100) and located in the workpiece bending area (010), the movable limiting rod (110) is perpendicular to the workbench (100), the movable limiting rod (110) is connected with a third driving mechanism, and before the first driving mechanism (410) and the bending auxiliary mechanism (500) are started, the method further comprises: and starting the third driving mechanism, and driving the movable limiting rod (110) to descend by the third driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985942.XA CN113733530B (en) | 2021-08-26 | 2021-08-26 | Plastic part bending method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985942.XA CN113733530B (en) | 2021-08-26 | 2021-08-26 | Plastic part bending method |
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| CN113733530A CN113733530A (en) | 2021-12-03 |
| CN113733530B true CN113733530B (en) | 2024-03-19 |
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| CN202110985942.XA Active CN113733530B (en) | 2021-08-26 | 2021-08-26 | Plastic part bending method |
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| CN114211734B (en) * | 2021-12-13 | 2023-12-12 | 温州市亦达眼镜有限公司 | Radian heating forming device for glasses frame |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437420A (en) * | 2018-04-12 | 2018-08-24 | 深圳市通得源科技有限公司 | A kind of plastic material bender |
| CN208450284U (en) * | 2018-07-02 | 2019-02-01 | 江苏申源集团有限公司 | A kind of stainless steel bending machine |
| CN213856461U (en) * | 2020-11-30 | 2021-08-03 | 大连佳田金属制品有限公司 | Punching press mechanism based on accurate bending |
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2021
- 2021-08-26 CN CN202110985942.XA patent/CN113733530B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437420A (en) * | 2018-04-12 | 2018-08-24 | 深圳市通得源科技有限公司 | A kind of plastic material bender |
| CN208450284U (en) * | 2018-07-02 | 2019-02-01 | 江苏申源集团有限公司 | A kind of stainless steel bending machine |
| CN213856461U (en) * | 2020-11-30 | 2021-08-03 | 大连佳田金属制品有限公司 | Punching press mechanism based on accurate bending |
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| CN113733530A (en) | 2021-12-03 |
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