Plastic shaping equipment and plastic shaping method for automobile plastic parts

Abstract

The invention relates to the field of automobile plastic parts production, and discloses shaping equipment for automobile plastic parts, comprising a shaping chamber, wherein a heating component and a shaping component are arranged in the shaping chamber, wherein the heating component is used to heat the automobile plastic parts, and the shaping component is used to press and shape the automobile plastic parts, wherein a vent is opened on the side of the shaping chamber and a fan is arranged in the vent, and when the automobile plastic parts are shaped, the fan faces the automobile plastic parts; before shaping, the suspended automobile plastic parts are heated by hot air, and then the automobile plastic parts are pressed and held, and after the pressing and holding is performed for a preset time, the automobile plastic parts are dissipated to achieve the shaping purpose, and the plastic parts are softened after being heated, and shaping is easier to be completed under pressing and holding, so that the shaping effect and efficiency can be significantly improved, and when the automobile plastic parts are heated, the automobile plastic parts are suspended, so that the hot air can be blown to various positions of the automobile plastic parts, and the heating effect is better.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts production, in particular to the field of automobile plastic parts production, and in particular to a shaping device and a shaping method for automobile plastic parts. Background Art

[0002] Automobile interior parts are generally made of plastic and are produced by injection molding. The produced plastic parts sometimes fail to meet the requirements and need to be reshaped. Based on the search for the reshaping of automobile plastic parts, some existing technologies have been found, which are now introduced one by one:

[0003] First, the Chinese utility model patent with authorization announcement number CN209409286U discloses a shaping device for automobile plastic parts. The cylinder is started by a controller, and the piston rod of the cylinder drives the pressure plate downward. The shaping block on the pressure plate abuts against the automobile plastic part and achieves good positioning. At the same time, the limit block surrounds the automobile plastic part to prevent the automobile plastic part from deformation and scrapping during the shaping process. Then the pressure plate continues to press down, so that the automobile plastic part can change its shape according to the curved surface of the shaping bottom plate, thereby realizing the shaping of the automobile plastic part.

[0004] Secondly, the Chinese utility model patent with authorization announcement number CN214239519U discloses a shaping device for automobile plastic parts. The automobile plastic parts are placed on the top of the lower shaping plate and between the two positioning plates. Then the output end of the cylinder drives the pressure plate to move downward, and the pressure plate drives the two vertical plates to move downward. The two vertical plates can make the two clamping plates move toward each other, so as to clamp and position the automobile plastic parts to ensure processing stability. During the downward movement of the pressure plate, the upper shaping plate is driven downward, thereby automatically shaping the automobile plastic parts through cooperation with the lower shaping plate.

[0005] The essence of the above two prior arts is to achieve the shaping purpose by pressing and holding the automobile plastic parts for a preset time. However, after the plastic parts are produced by injection molding, they will cool and harden. Therefore, a longer period of pressing and holding is required to achieve the shaping purpose, and the efficiency is relatively low. Based on this, the present invention proposes a shaping device and a shaping method for automobile plastic parts. Summary of the invention

[0006] In order to solve the problems mentioned in the above background, the present invention provides a shaping device and a shaping method for automobile plastic parts.

[0007] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows.

[0008] The shaping equipment for automobile plastic parts includes a shaping chamber, in which a heating component and a shaping component are arranged. The heating component is used to heat the automobile plastic parts, and the shaping component is used to press and shape the automobile plastic parts. A vent is opened on the side of the shaping chamber and a fan is arranged in the vent. When the automobile plastic parts are being shaped, the fan faces the automobile plastic parts.

[0009] As a further improvement and optimization of the present invention, an inlet and an outlet are provided on the outer surface of the shaping room, and an inlet and an outlet door are matched and installed at the inlet and the outlet.

[0010] As a further improvement and optimization of the present invention, an inner frame is provided in the shaping chamber, and the shaping member includes a workbench and a threaded shaft installed on the inner frame and having a vertical axis, and a sliding guide fit is formed between the threaded shaft and the inner frame in a vertical direction, and the threaded shaft can move in the vertical direction;

[0011] A horizontally arranged shaping seat is provided at the bottom of the threaded shaft, and the shaping seat is located above the workbench. A horizontally arranged supporting seat is provided above the shaping seat. The supporting seat is provided with an avoidance hole for avoiding the threaded shaft and initially, the supporting seat is supported by the shaping seat. A vertically arranged plug rod extends from the lower end surface of the support seat, and the lower end of the plug rod passes through a through hole provided on the shaping seat. Screw holes are provided on the automotive plastic parts, and an interference fit is formed between the screw holes and the plug rod.

[0012] As a further improvement and optimization of the present invention, a slide groove is provided on the outer surface of the threaded shaft along the vertical direction, and a protrusion is provided on the inner frame, and the protrusion and the slide groove form a sliding connection.

[0013] As a further improvement and optimization of the present invention, a shaping motor is installed on the inner frame, and the shaping motor and the threaded shaft are connected to each other through a power transmission member. The driven member of the power transmission member is threadedly installed on the threaded shaft and the driven member is restricted to only rotate.

[0014] As a further improvement and optimization of the present invention, the heating component includes two driving components respectively located on both sides of the workbench and a hot air component arranged between the two driving components.

[0015] As a further improvement and optimization of the present invention, the driving assembly includes a threaded rod installed on the inner frame and arranged with its axis horizontally, and a driving motor for driving the threaded rod to rotate, and two threaded rods and two driving motors are arranged in the vertical direction;

[0016] The drive assembly also includes a connecting bracket slidably installed on the inner frame along the axis direction of the threaded rod. A worm wheel with a horizontal axis is installed on the connecting bracket through a bearing. The axis of the worm wheel is perpendicular to the axis of the threaded rod. The worm wheel is located between the two threaded rods, and the worm wheel is meshed with both threaded rods.

[0017] As a further improvement and optimization of the present invention, the hot air assembly includes a connecting arm connected to the worm gear, two connecting arms are correspondingly provided, a heating tube is provided between the two connecting arms, and a blowing nozzle is provided on the outer cylindrical surface of the heating tube and the blowing nozzle faces the center line of the workbench;

[0018] A fan is arranged in the heating tube, and the fan shaft is dynamically connected to a rotating motor arranged at the end of the heating tube. The fan shaft is in the shape of a hollow shaft and a heating element is arranged inside. Both the fan and the fan shaft are made of heat-conducting materials.

[0019] Shaping methods of plastic parts shaping equipment for automobiles:

[0020] Step 1: Install the automobile plastic part to be shaped on the lower end of the insertion rod through the interference fit between the screw hole on the automobile plastic part and the insertion rod. At this time, the automobile plastic part is suspended in the air;

[0021] Step 2: The heating element and the fan are started, and hot air is blown to the automobile plastic parts through the blowing nozzle. At the same time, through the cooperation of the two driving motors, the heating tube is driven to move along the axis of the threaded rod or rotate around the axis of the worm gear, so that the hot air is blown to various positions of the automobile plastic parts;

[0022] Step 3: After heating for a preset time, the threaded shaft moves downward. During the downward movement, at the beginning, the support seat, the insertion rod and the automobile plastic part move downward together with the shaping seat. When the plastic part is located on the workbench, the support seat, the insertion rod and the automobile plastic part stop moving downward, while the shaping seat continues to move downward, thereby contacting the automobile plastic part on the workbench, pressing and holding the automobile plastic part to achieve the shaping purpose;

[0023] During the shaping process, hot air is continuously blown towards the plastic parts of the car;

[0024] Step 4: After the preset shaping time, the shaping seat keeps pressing the automobile plastic parts, and the fan starts to dissipate heat and cool the automobile plastic parts;

[0025] Step 5: After the preset heat dissipation time, the shaping is completed, the threaded shaft moves up, and the automotive plastic parts are removed.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] This solution uses hot air to heat the suspended automobile plastic parts before shaping, and then presses the automobile plastic parts. After pressing for a preset time, the automobile plastic parts are cooled to achieve the shaping purpose. The plastic parts will soften after heating, making it easier to complete shaping under pressure. Therefore, the shaping effect and efficiency can be significantly improved.

[0028] Furthermore, when the automobile plastic parts are heated, the automobile plastic parts are suspended in the air, so that hot air can be blown to various positions of the automobile plastic parts, resulting in a better heating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of a plastic part of an automobile;

[0030] Figure 2 It is a structural schematic diagram of the present invention;

[0031] Figure 3 The internal schematic diagram of the present invention when heating automobile plastic parts;

[0032] Figure 4 The internal schematic diagram of the present invention when pressing and holding automobile plastic parts;

[0033] Figure 5 A schematic diagram of the shaping component when heating the automobile plastic part;

[0034] Figure 6 A schematic diagram of the shaping component when pressing and holding automobile plastic parts;

[0035] Figure 7 is a schematic diagram of a heating component;

[0036] Figure 8 is a schematic diagram of a hot air component;

[0037] Fig. 9 A cross-sectional view of the heating tube.

[0038] The reference numerals in the accompanying drawings are:

[0039] 100. Shaping room; 101. Entrance and exit doors; 102. Ventilation openings; 103. Fan; 104. Workbench; 105. Heating element; 1051. Driving motor; 1052. Threaded rod; 1053. Connecting bracket; 1054. Worm gear; 1055. Connecting arm; 1056. Heating tube; 1057. Blowing nozzle; 1058. Rotating motor; 1059. Fan; 106. Shaping element; 1061. Shaping motor; 1062. Power transmission member; 1063. Threaded shaft; 1064. Shaping seat; 1065. Support seat; 1066. Insert rod. DETAILED DESCRIPTION

[0040] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0041] Figure 1 The a in here refers to the screw hole on the plastic part of the car.

[0042] Reference Figure 1-Figure 9 The shaping equipment for automobile plastic parts includes a shaping chamber 100. The outer surface of the shaping chamber 100 is provided with an inlet and an outlet door 101 is matched and installed at the inlet and outlet. The automobile plastic parts can enter and exit the shaping chamber 100 through the inlet and outlet.

[0043] The shaping chamber 100 is provided with a heating component 105 and a shaping component 106. During shaping, the automobile plastic parts are first heated by the heating component 105, and then shaped by the shaping component 106. At the same time, during the shaping process, the automobile plastic parts are continuously heated by the heating component 105 at the beginning. After a preset time, the shaping is completed, and the heating is then canceled to allow the automobile plastic parts to gradually cool down, thereby completing the shaping of the automobile plastic parts. Since heating is added during the shaping process, the automobile plastic parts can be successfully shaped faster, and the shaping efficiency is significantly improved.

[0044] Reference Figure 3-Figure 6 An inner frame is provided in the shaping chamber 100, and the shaping component 106 includes a workbench 104 and a threaded shaft 1063 installed on the inner frame with a vertical axis. The threaded shaft 1063 and the inner frame form a sliding guide fit in the vertical direction. Furthermore, a slide groove is provided on the outer surface of the threaded shaft 1063 along the vertical direction, and a protrusion is provided on the inner frame, and the protrusion and the slide groove form a sliding connection.

[0045] A shaping motor 1061 is installed on the inner frame, and the shaping motor 1061 and the threaded shaft 1063 are connected to each other by a power transmission member 1062. Furthermore, a follower of the power transmission member 1062 is threadedly installed on the threaded shaft 1063 and both ends of the follower are in contact with the inner frame, that is, it is restricted to only rotate. Therefore, the shaping motor 1061 can drive the threaded shaft 1063 to move in the vertical direction.

[0046] A horizontally arranged shaping seat 1064 is provided at the bottom of the threaded shaft 1063, and the shaping seat 1064 is located above the workbench 104. A horizontally arranged support seat 1065 is provided above the shaping seat 1064. The support seat 1065 is provided with an avoidance hole for avoiding the threaded shaft 1063. Initially, the support seat 1065 is supported by the shaping seat 1064. A vertically arranged plug rod 1066 extends from the lower end surface of the support seat 1065. The lower end of the plug rod 1066 passes through the through hole provided on the shaping seat 1064. A screw hole is provided on the automotive plastic part to be shaped, and an interference fit is formed between the screw hole and the plug rod 1066. Open the access door 101, and the part to be shaped is inserted into the plastic part through the interference fit between the screw hole and the plug rod 1066. The shaped automobile plastic part is installed at the lower end of the insertion rod 1066, and then the plastic part is heated by the heating component 105, and then the threaded shaft 1063 is driven downward by the shaping motor 1061. During the downward movement, at the beginning, the support seat 1065, the insertion rod 1066 and the automobile plastic part move downward along with the shaping seat 1064. When the plastic part is located on the workbench 104, the support seat 1065, the insertion rod 1066 and the automobile plastic part stop moving downward, and the shaping seat 1064 continues to move downward, thereby contacting the automobile plastic part on the workbench 104, achieving pressure on the automobile plastic part, thereby achieving the shaping purpose. It should be noted that the shape of the shaping seat 1064 corresponds to the automobile plastic part to be shaped, and this scheme only uses a rectangle as an illustration.

[0047] Reference Figure 3 , Figure 4 and Figure 7-Figure 9 The heating component 105 includes two driving components respectively located on both sides of the workbench 104 and a hot air component arranged between the two driving components.

[0048] The driving assembly includes a threaded rod 1052 installed on the inner frame and arranged with its axis line horizontally, and a driving motor 1051 for driving the threaded rod 1052 to rotate. Two threaded rods 1052 and two driving motors 1051 are arranged in the vertical direction.

[0049] The driving assembly also includes a connecting bracket 1053 slidably installed on the inner frame along the axis direction of the threaded rod 1052, and a worm wheel 1054 with a horizontal axis is installed on the connecting bracket 1053 through a bearing, the axis of the worm wheel 1054 is perpendicular to the axis of the threaded rod 1052, and the worm wheel 1054 is located between the two threaded rods 1052. In the prior art, the worm wheel and the worm can mesh, and the outside of the worm is provided with a thread, which is equivalent to the threaded rod. Therefore, in this scheme, the worm wheel 1054 can form a meshing relationship with both threaded rods 1052. If the two threaded rods 1052 rotate and the rotation directions of the worm wheels 1054 are the same, then the worm wheel 1054 rotates. If the two threaded rods 1052 rotate and the rotation directions of the worm wheels 1054 are opposite, then the worm wheel 1054 will move along the axis of the threaded rod 1052 and move with the connecting bracket 1053.

[0050] The hot air assembly includes a connecting arm 1055 connected to the worm gear 1054 , two connecting arms 1055 are correspondingly provided, a heating tube 1056 is provided between the two connecting arms 1055 , a blowing nozzle 1057 is provided on the outer cylindrical surface of the heating tube 1056 and the blowing nozzle 1057 faces the center line of the workbench 104 .

[0051] A fan 1059 is arranged inside the heating tube 1056. The fan shaft of the fan 1059 is poweredly connected to a rotating motor 1058 arranged at the end of the heating tube 1056. The fan shaft is in the shape of a hollow shaft and a heating element is arranged inside. For example, existing electric heating technology is adopted. The fan 1059 and the fan shaft are both made of heat-conducting materials, such as metal.

[0052] Reference Figure 1-Figure 3 A ventilation hole 102 is provided on the side of the shaping room 100 facing the workbench 104 and a fan 103 is provided in the ventilation hole 102 .

[0053] Shaping methods of plastic parts shaping equipment for automobiles:

[0054] Step 1: Open the door 101, and install the automobile plastic part to be shaped on the lower end of the insertion rod 1066 through the interference fit between the screw hole on the automobile plastic part and the insertion rod 1066. At this time, the automobile plastic part is suspended in the air;

[0055] Step 2: The heating element and the fan 1059 are started, and hot air is blown toward the automobile plastic parts through the blowing nozzle 1057. At the same time, through the cooperation of the two driving motors 1051, the heating tube 1056 is driven to move along the axis of the threaded rod 1052 or rotate around the axis of the worm gear 1054, so that the hot air is blown toward various positions of the automobile plastic parts;

[0056] Step 3: After heating for a preset time, the shaping motor 1061 drives the threaded shaft 1063 to move downward. During the downward movement, at the beginning, the support seat 1065, the insertion rod 1066 and the automobile plastic part move downward together with the shaping seat 1064. When the plastic part is located on the workbench 104, the support seat 1065, the insertion rod 1066 and the automobile plastic part stop moving downward, while the shaping seat 1064 continues to move downward, thereby contacting the automobile plastic part on the workbench 104, pressing and holding the automobile plastic part to achieve the shaping purpose;

[0057] During the shaping process, hot air is continuously blown towards the plastic parts of the car;

[0058] Step 4: After the preset shaping time, the shaping seat 1064 keeps pressing the automobile plastic part, and the fan 103 starts to dissipate heat and cool the automobile plastic part;

[0059] Step 5: After the preset heat dissipation time, the shaping is completed, and the shaping motor 1061 drives the threaded shaft 1063 to move upward, open the access door 101, and take out the automobile plastic part.

[0060] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A shaping device for automobile plastic parts, comprising a shaping chamber (100), characterized in that: A heating component (105) and a shaping component (106) are arranged in the shaping chamber (100); the heating component (105) is used to heat the automobile plastic part; the shaping component (106) is used to press and shape the automobile plastic part; a vent (102) is provided on the side of the shaping chamber (100); a fan (103) is arranged in the vent (102); when shaping the automobile plastic part, the fan (103) faces the automobile plastic part.

2. The shaping equipment for automobile plastic parts according to claim 1, characterized in that: An entrance and an exit are formed on the outer surface of the shaping chamber (100), and an entrance and exit door (101) is installed in matching fashion at the entrance and exit.

3. The shaping equipment for automobile plastic parts according to claim 1, characterized in that: An inner frame is provided in the shaping chamber (100), and the shaping component (106) includes a workbench (104) and a threaded shaft (1063) installed on the inner frame and with a vertical axis, wherein a sliding guide fit is formed between the threaded shaft (1063) and the inner frame in a vertical direction, and the threaded shaft (1063) can move in the vertical direction; A horizontally arranged shaping seat (1064) is provided at the bottom of the threaded shaft (1063), and the shaping seat (1064) is located above the workbench (104). A horizontally arranged supporting seat (1065) is provided above the shaping seat (1064), and an avoidance hole for avoiding the threaded shaft (1063) is provided on the supporting seat (1065). Initially, the supporting seat (1065) is supported by the shaping seat (1064), and a vertically arranged insert rod (1066) extends from the lower end surface of the supporting seat (1065), and the lower end of the insert rod (1066) passes through a through hole provided on the shaping seat (1064), and a screw hole is provided on the automobile plastic part, and an interference fit is formed between the screw hole and the insert rod (1066).

4. The shaping equipment for automobile plastic parts according to claim 3, characterized in that: The outer surface of the threaded shaft (1063) is provided with a slide groove penetrating in the vertical direction, and a protrusion is provided on the inner frame, and the protrusion and the slide groove form a sliding connection.

5. The shaping equipment for automobile plastic parts according to claim 3, characterized in that: A shaping motor (1061) is installed on the inner frame, and a power connection is achieved between the shaping motor (1061) and the threaded shaft (1063) via a power transmission member (1062). A driven member of the power transmission member (1062) is threadedly installed on the threaded shaft (1063) and the driven member is restricted to only rotate.

6. The shaping equipment for automobile plastic parts according to claim 3, characterized in that: The heating component (105) comprises two driving components respectively located on both sides of the workbench (104) and a hot air component arranged between the two driving components.

7. The shaping equipment for automobile plastic parts according to claim 6, characterized in that: The driving assembly comprises a threaded rod (1052) installed on the inner frame and arranged with its axis in a horizontal direction, and a driving motor (1051) for driving the threaded rod (1052) to rotate, and two threaded rods (1052) and two driving motors (1051) are arranged in a vertical direction; The driving assembly also includes a connecting bracket (1053) slidably mounted on the inner frame along the axis direction of the threaded rod (1052); a worm wheel (1054) with a horizontal axis is mounted on the connecting bracket (1053) via a bearing; the axis of the worm wheel (1054) is perpendicular to the axis of the threaded rod (1052); the worm wheel (1054) is located between the two threaded rods (1052), and the worm wheel (1054) is meshed with the two threaded rods (1052).

8. The shaping equipment for automobile plastic parts according to claim 7, characterized in that: The hot air assembly comprises a connecting arm (1055) connected to the worm gear (1054), two connecting arms (1055) are provided correspondingly, a heating tube (1056) is provided between the two connecting arms (1055), and a blowing nozzle (1057) is provided on the outer circumferential surface of the heating tube (1056), and the blowing nozzle (1057) faces the center line of the workbench (104); A fan (1059) is arranged inside the heating tube (1056). The fan shaft of the fan (1059) is dynamically connected to a rotating motor (1058) arranged at the end of the heating tube (1056). The fan shaft is in the shape of a hollow shaft and a heating element is arranged inside. The fan (1059) and the fan shaft are both made of heat-conducting materials.

9. The shaping method of the shaping equipment for automobile plastic parts according to claim 8, characterized in that: The steps include: Step 1: The automobile plastic part to be shaped is installed on the lower end of the insertion rod (1066) through the interference fit between the screw hole on the automobile plastic part and the insertion rod (1066), and at this time, the automobile plastic part is suspended in the air; Step 2: The heating element and the fan (1059) are started, and hot air is blown toward the automobile plastic part through the blowing nozzle (1057). At the same time, through the cooperation of the two driving motors (1051), the heating tube (1056) is driven to move along the axis of the threaded rod (1052) or rotate around the axis of the worm gear (1054), so that the hot air is blown toward various positions of the automobile plastic part; Step 3: After heating for a preset time, the threaded shaft (1063) moves downward. During the downward movement, at the beginning, the support seat (1065), the insertion rod (1066) and the automobile plastic part move downward together with the shaping seat (1064). When the plastic part is located on the workbench (104), the support seat (1065), the insertion rod (1066) and the automobile plastic part stop moving downward, while the shaping seat (1064) continues to move downward, thereby contacting the automobile plastic part on the workbench (104), pressing and holding the automobile plastic part, and achieving the shaping purpose; During the shaping process, hot air is continuously blown towards the plastic parts of the car; Step 4: After the preset shaping time, the shaping seat (1064) keeps pressing the automobile plastic part, and the fan (103) starts to dissipate heat and cool the automobile plastic part; Step 5: After the preset heat dissipation time, the shaping is completed, the threaded shaft (1063) moves upward, and the automobile plastic part is removed.

Images