阅读说明：本技术 一种具有温控功能的车灯吹塑模具 (Car light blow mold with temperature control function ) 是由 周卫华 于 2021-03-01 设计创作，主要内容包括：本发明提供了一种具有温控功能的车灯吹塑模具,包括具有成型腔的上模和平板状的下模,还包括底座,所述底座顶部对称固定有竖直的支架,两个支架顶部共同固定连接有水平的顶板,所述上模固定在所述顶板底部；所述底座顶部位于所述两个支架之间的位置固定有两个竖直的弹性伸缩柱,所述下模固定在两个弹性伸缩柱顶部；所述两个支架之间滑动连接有能推动所述下模向上运动而与所述上模配合的框架,所述底座顶部固定有用于驱动所述框架上下运动的驱动机构；所述下模内设有进气通道,所述上模内设有自动温控装置。本发明可对制品各部位的温度进行精确控制,使产品壁厚均匀,且能自动切断边料,提高生产效率,降低劳动强度,且能方便取走吹塑产品。(The invention provides a vehicle lamp blow molding mold with a temperature control function, which comprises an upper mold with a molding cavity, a flat lower mold and a base, wherein vertical supports are symmetrically fixed at the top of the base, the tops of the two supports are fixedly connected with a horizontal top plate together, and the upper mold is fixed at the bottom of the top plate; two vertical elastic telescopic columns are fixed at the position, between the two supports, of the top of the base, and the lower die is fixed at the tops of the two elastic telescopic columns; a frame capable of pushing the lower die to move upwards to be matched with the upper die is connected between the two brackets in a sliding mode, and a driving mechanism used for driving the frame to move up and down is fixed to the top of the base; an air inlet channel is arranged in the lower die, and an automatic temperature control device is arranged in the upper die. The invention can accurately control the temperature of each part of the product, so that the wall thickness of the product is uniform, the rim charge can be automatically cut off, the production efficiency is improved, the labor intensity is reduced, and the blow-molded product can be conveniently taken away.)

1. A car light blow mold with temperature control function comprises: the upper die is provided with a forming cavity, and the lower die is a flat lower die and is characterized by further comprising a base, wherein vertical supports are symmetrically fixed on the top of the base, a horizontal top plate is fixedly connected to the tops of the two supports together, and the upper die is fixed to the bottom of the top plate; two vertical elastic telescopic columns are fixed at the position, between the two supports, of the top of the base, and the lower die is fixed at the tops of the two elastic telescopic columns; a frame capable of pushing the lower die to move upwards to be matched with the upper die is connected between the two brackets in a sliding mode, and a driving mechanism used for driving the frame to move up and down is fixed to the top of the base; an air inlet channel is arranged in the lower die, and an automatic temperature control device is arranged in the upper die.

2. The blow mold for car lights with temperature control function according to claim 1, wherein each elastic telescopic column comprises a vertical cylinder fixedly connected with the top of the base, a vertical column slidably inserted in the vertical cylinder, and a spring fixed at the bottom in the vertical cylinder and fixedly connected with the vertical column;

the bottom of the lower die is fixedly connected with the top of the vertical column, and the air inlet channel is located between the two elastic telescopic columns.

3. The vehicle lamp blow-molding mold with the temperature control function according to claim 2, wherein sliding grooves are respectively formed in the opposite sides of the two brackets along the vertical direction, sliding blocks are respectively fixed to the opposite sides of the frame, and the sliding blocks on the opposite sides of the frame are slidably assembled in the sliding grooves on the opposite sides of the two brackets in a one-to-one correspondence manner.

4. The vehicle lamp blow mold with temperature control function according to claim 3, characterized in that a lower portion of the inner wall of the frame periphery is provided with a boss protruding horizontally inwards for pushing the lower mold to move upwards, and an upper portion of the inner wall of the frame periphery is provided with an inclined sliding surface inclined inwards from top to bottom.

5. The vehicle lamp blow mold with the temperature control function according to claim 4, wherein the driving mechanism is two hydraulic rods, and the two hydraulic rods are respectively and correspondingly arranged between the adjacent bracket and the elastic telescopic column.

6. The vehicle lamp blow mold with the temperature control function according to claim 5, wherein notches are symmetrically arranged at the bottom of the upper mold and located outside two sides of the upper mold forming cavity, and the notches are symmetrically located at two sides of the lower mold and located inside the frame when the lower mold is matched with the upper mold.

Technical Field

The invention relates to the technical field of blow molding molds, in particular to a vehicle lamp blow molding mold with a temperature control function.

Background

After the lamp shade of the prior automobile lamp is molded by a mold, the secondary edge cutting processing is carried out on the blow molding mask by adopting the traditional mechanical processing modes such as tungsten steel saw blades, manual cutting and the like. Such a production process has the following disadvantages: 1. the processing efficiency is low; 2. the noise and dust pollution are great in the processing process; 3. the operation danger is increased in the processing process, and the fingers are easily cut by operators; 4. the secondary processing damage rate of the product is larger. In addition, the existing products often have the problems of uneven wall thickness, low mechanical strength, uneven light transmittance and the like.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a blow mold for a vehicle lamp with a temperature control function.

The invention is realized by the following technical scheme:

the invention provides a vehicle lamp blow mold with a temperature control function, which comprises an upper mold with a molding cavity, a flat lower mold and a base, wherein vertical supports are symmetrically fixed at the top of the base, a horizontal top plate is fixedly connected to the tops of the two supports together, and the upper mold is fixed at the bottom of the top plate; two vertical elastic telescopic columns are fixed at the position, between the two supports, of the top of the base, and the lower die is fixed at the tops of the two elastic telescopic columns; a frame capable of pushing the lower die to move upwards to be matched with the upper die is connected between the two brackets in a sliding mode, and a driving mechanism used for driving the frame to move up and down is fixed to the top of the base; an air inlet channel is arranged in the lower die, and an automatic temperature control device is arranged in the upper die.

Preferably, each elastic telescopic column comprises a vertical cylinder fixedly connected with the top of the base, a vertical column inserted in the vertical cylinder in a sliding manner, and a spring fixed at the bottom in the vertical cylinder and fixedly connected with the vertical column;

the bottom of the lower die is fixedly connected with the top of the vertical column, and the air inlet channel is located between the two elastic telescopic columns.

Preferably, sliding grooves are formed in one side, opposite to the two supports, of the two supports respectively in the vertical direction, sliding blocks are fixed to two sides, opposite to the frame, of the two supports respectively, and the sliding blocks on the two sides, opposite to the frame, of the two supports are assembled in the sliding grooves on the opposite sides of the two supports in a one-to-one corresponding sliding mode.

Preferably, the lower part of the inner wall of the frame periphery is provided with a boss which protrudes inwards and horizontally to push the lower die to move upwards, and the upper part of the inner wall of the frame periphery is provided with an inclined sliding surface which inclines inwards from top to bottom.

Preferably, the driving mechanism is two hydraulic rods, and the two hydraulic rods are respectively and correspondingly arranged between the adjacent bracket and the elastic telescopic column.

Preferably, the bottom of the upper die is located outside two sides of the upper die forming cavity, notches are symmetrically formed in the two sides of the upper die forming cavity, and the notches are symmetrically located on two sides of the lower die and located on the inner side of the frame when the lower die is matched with the upper die.

The invention has the beneficial effects that: the automatic temperature control device is arranged, so that the temperature of each part of the product can be accurately controlled, and the wall thickness of the product is uniform; because the upper die is provided with the notch, the rim charge is automatically cut off after the blow molding is finished, the production efficiency is improved, and the labor intensity is reduced; because set up the frame and drive lower mould and go up the mould compound die, when the frame moves down to the lower mould below, conveniently take away the blowing product.

Drawings

Fig. 1 is a sectional view of a blow mold for a vehicle lamp having a temperature control function according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a resiliently flexible post provided in accordance with an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a frame according to an embodiment of the present invention.

In the figure: 1-upper mould; 2-lower mould; 3-a base; 4-a scaffold; 5-a top plate; 6-an air inlet channel; 7-a frame; 8-vertical cylinder; 9-vertical posts; 10-a spring; 11-a boss; 12-inclined slide surface; 13-a hydraulic lever; 14-incision; 15-temperature controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 1 is a cross-sectional view of a blow mold for a vehicle lamp with a temperature control function according to an embodiment of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a vehicle lamp blow mold with a temperature control function, which includes an upper mold 1 with a molding cavity, a flat lower mold 2, and a base 3, wherein the base 3 is horizontally disposed, vertical brackets 4 are symmetrically fixed on the top of the base 3, a horizontal top plate 5 is fixedly connected to the tops of the two brackets 4, and the upper mold 1 is fixed at the bottom of the top plate 5. It should be noted here that the upper mold 1 has a molding cavity opening facing downward.

With continued reference to fig. 1, two vertical elastic telescopic columns are fixed at the top of the base 3 between the two brackets 4, and the lower die 2 is fixed at the top of the two elastic telescopic columns. Referring to fig. 2, fig. 2 is a cross-sectional view of the elastic telescopic columns according to the embodiment of the present invention, each of the elastic telescopic columns includes a vertical column 8 fixedly connected to the top of the base 3, a vertical column 9 slidably inserted into the vertical column 8, and a spring 10 fixed to the bottom of the vertical column 8 and fixedly connected to the vertical column 9.

The vertical setting of a riser 8 to the open-top setting of a riser 8, the vertical slip of upstand 9 is pegged graft in a riser 8, and the vertical setting of spring 10 is in the 8 interior bottoms of a riser, and the setting is sealed to a riser 8 bottom, and bottom fixed connection in spring 10 bottom and the upstand 8, bottom fixed connection in spring 10 top and the upstand 9 insert a riser 8, 2 bottoms of lower mould and upstand 9 top fixed connection.

With continued reference to fig. 1, a frame 7 capable of pushing the lower die 2 to move upwards so as to be matched with the upper die 1 is slidably connected between the two brackets 4, and a driving mechanism for driving the frame 7 to move upwards and downwards is fixed on the top of the base 3.

Specifically, the opposite sides of the two supports 4 are respectively provided with a sliding groove along the vertical direction, the opposite sides of the frame 7 are respectively fixed with a sliding block, and the sliding blocks on the opposite sides of the frame 7 are assembled in the sliding grooves on the opposite sides of the two supports 4 in a one-to-one corresponding sliding manner. The sliding groove and the sliding block are of the existing common sliding fit structure, so the sliding groove and the sliding block are not shown in the figure.

The driving mechanism is hydraulic rods 13, the number of the hydraulic rods 13 is two, and the two hydraulic rods 13 are respectively and correspondingly arranged between the adjacent bracket 4 and the elastic telescopic column. Two hydraulic stem 13 all vertical settings to two hydraulic stem 13 tops correspond fixed connection with the bottom of the relative both sides of frame 7, two hydraulic stem 13 bottoms all with 3 top fixed connection of base.

In this embodiment, be equipped with inlet channel 6 in the lower mould 2, inlet channel 6 is located the position between two flexible posts, is equipped with automatic temperature control device in last mould 1, automatic temperature control device includes a plurality of temperature controllers 15 of evenly distributed in last mould 1. The arrangement of the air inlet channel 6 in the lower die 2 and the automatic temperature control device in the upper die 1 is well known in the art and will not be described in detail herein.

With continuing reference to fig. 1 and with reference to fig. 3, fig. 3 is a schematic structural diagram of a frame according to an embodiment of the present invention, a lower portion of an inner wall of a circumference of the frame 7 is provided with a boss 11 protruding horizontally inward for pushing the lower mold 2 to move upward, and an upper portion of the inner wall of the circumference of the frame 7 is provided with an inclined sliding surface 12 inclined inward from top to bottom.

Besides, notches 14 are symmetrically arranged at the bottom of the upper die 1 and positioned outside two sides of the forming cavity of the upper die 1, and the notches 14 are symmetrically positioned at two sides of the lower die 2 and positioned inside the frame 7 when the lower die 2 is matched with the upper die 1. It should be noted that the upper die 1 and the lower die 2 are vertically aligned after being mounted to be used in cooperation with each other.

The use principle of the invention is as follows: when in production, the two hydraulic rods 13 are controlled to contract simultaneously, the lower die 2 is stabilized under the common support of the two elastic telescopic columns, the frame 7 is positioned below the lower die 2, then raw materials are placed on the lower die 2, the two hydraulic rods 13 are controlled to extend simultaneously until a boss 11 on the inner side of the frame 7 is clamped around the bottom of the lower die 2, the size of the lower die 2 is matched with the size of the inner side of the middle part of the frame 7, the lower die 2 can enter the frame 7 conveniently due to the inclined sliding surface 12 arranged on the upper part of the frame 7, the frame 7 slides upwards along the two brackets 4 under the drive of the two hydraulic rods 13, meanwhile, the frame 7 also pushes the lower die 2 to move upwards until the lower die 2 and the upper die 1 are matched, when the lower die 2 and the upper die 1 are matched, the two elastic telescopic columns are stretched, then the air inlet channel is ventilated, and the automatic temperature control device works to control the temperature of each part of, when the die assembly is completed, the material cutting process can be automatically completed due to the existence of the notch 14, after the blow molding work is completed, the two hydraulic rods 13 are controlled to simultaneously contract, the frame 7 slides downwards along the two supports 4, the lower die 2 moves downwards under the action of the two elastic telescopic columns (when the lower die 2 moves upwards and is matched with the upper die 1, the spring 10 is stretched to generate elastic potential energy, when the frame 7 moves downwards, the lower die 2 moves downwards due to the elastic deformation recovered by the spring 10), and when the frame 7 moves below the lower die 2, the blow molding products on the surface of the lower die 2 can be conveniently taken away.

The automatic temperature control device is arranged, so that the temperature of each part of the product can be accurately controlled, and the wall thickness of the product is uniform; because the upper die is provided with the notch, the rim charge is automatically cut off after the blow molding is finished, the production efficiency is improved, and the labor intensity is reduced; because set up the frame and drive lower mould and go up the mould compound die, when the frame moves down to the lower mould below, conveniently take away the blowing product.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.