CN212092871U - Automobile ornament spraying rotation system - Google Patents

Abstract

An automobile ornament spraying rotation system comprises a plurality of rotation supporting wheels, a transmission device and a fine adjustment device; the transmission device consists of a group of transmission groups, each group of transmission group comprises two transmission components, each transmission component comprises a belt, a transmission belt pulley, a driven belt pulley and a tensioning belt pulley, and a transmission channel is formed between the belts of the two transmission components of each group of transmission group; all the autorotation supporting wheels are sequentially arranged in the transmission channel; the fine adjustment device is composed of more than two groups of fine adjustment components, and each group of fine adjustment components comprises two adjustment units; the adjusting unit comprises a belt pulley supporting plate, the belt pulley supporting plate is in an axial symmetry shape consisting of an isosceles triangle part and a rectangular part, mounting holes are formed in vertex angles of the isosceles triangle part of the belt pulley supporting plate, a first bearing is installed at the mounting holes, a shaft rod is inserted into the first bearing, the lower end of the shaft rod is fixed on a supporting wheel fixing plate, and belt pulleys are installed at two ends of the rectangular part of the belt pulley supporting plate respectively. The utility model discloses rotation riding wheel is difficult for the card, the fault rate is low.

Description

A spraying rotation system for automobile trim parts

technical field

The utility model relates to a spraying rotation system for automobile trim parts.

Background technique

After more than 40 years of development, China's auto industry has become an important industry in the national economy. With the continuous improvement of the level of economic development, cars began to enter the family. The automated production of auto parts can greatly improve the production efficiency and quality of products. The spray coating of auto parts has durability and corrosion resistance. Spraying is an important step in the processing of auto parts.

The columnar auto parts enter the spraying area one by one through the conveyor line. When spraying, considering the requirement of uniform film thickness around the product, the columnar product is guaranteed by the 360° rotation of the workpiece carrier's self-rotating roller. The 360° rotation of the autorotation roller is realized by the autorotation system of the sprayer. At present, the pulley of the transmission component in the autorotation system of the sprayer is fixed. The belt in the autorotation system of the sprayer is used to press the autorotation roller to generate enough friction to drive the autorotation roller to rotate. The autorotation roller is rubbing against the belt. Due to the lack of flexibility, the self-rotating roller is prone to be stuck, and the failure rate is high and it is not easy to replace.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, and to provide a spraying and rotating system for automobile trim parts, the rotating supporting wheel is not easy to be stuck, and the failure rate is low.

The technical scheme of the present utility model is as follows: it comprises a plurality of self-rotating supporting wheels mounted on the lower part of each workpiece carrier rod, a transmission device and a fine-tuning device for driving the rotation of the respective rotary supporting wheels; It is composed of arranged transmission groups, each group of transmission groups includes two oppositely arranged transmission components, each transmission component includes a belt, a transmission pulley, a passive pulley, and a tensioning pulley, and the two transmission components of each group of transmission groups are sequentially arranged along the transmission direction. A transmission channel is formed between the belts; the respective rotating rollers are arranged in the transmission channel in sequence; the fine-tuning device is composed of more than two sets of fine-tuning components arranged in sequence along the transmission direction, and each set of fine-tuning components includes two oppositely arranged for fine-tuning transmission. The adjustment unit of the channel width, the two adjustment units of each group of fine-tuning components are sequentially arranged on the inner side of the belt of the two transmission components of each group of transmission groups along the transmission direction; the adjustment unit includes a pulley support plate, and the pulley support plate is formed by an isosceles triangle , The axisymmetric shape composed of the rectangular part connected with the bottom edge of the isosceles triangle part, the top corner of the isosceles triangle part of the pulley support plate is provided with a mounting hole, the mounting hole is installed with bearing 1, and the shaft rod is inserted in bearing 1 , the lower end of the shaft rod is fixed on the supporting wheel fixing plate, and a pulley is installed at each end of the rectangular part of the pulley supporting plate; The shaft bar swings to fine-tune the width of the transmission channel.

The supporting wheel fixing plate is provided with two fixing screw holes for adjusting the position of the supporting wheel fixing plate, the fixing screw holes are oblong holes, and the two oblong holes are symmetrical along the shaft rod.

The belt is a V-belt, and the pulley is a single-groove pulley that cooperates with the V-belt for transmission.

The lower end of the bolt is fixed to the assembly holes at both ends of the rectangular part of the pulley support plate through the nut, the pulley is set outside the middle of the bolt through the bearing two, and the upper end of the bolt is equipped with a shaft clamp.

The supporting wheel fixing plate is mounted on the bottom plate on the frame.

The middle of the pulley support plate is matched with the shaft rod and the bearing. When the workpiece passes through the pulley, the spacing can be automatically fine-tuned. The fixed pulleys at both ends of the pulley support plate can swing left and right along the shaft rod with the pulley support plate. On the other hand, when the distance between the belt and the rotation supporting wheel is automatically fine-tuned, the width of the transmission channel is fine-tuned by the inward and outward swinging of the fine-tuning device of the utility model, and the belt and the rotation supporting wheel are tightly abutted.

The rod body of the workpiece carrier rod is composed of two parts: the upper rod and the lower rod. When in use, the length of the upper rod can be replaced according to the length of the auto parts. There is no need to disassemble the lower rod during maintenance. The auto parts can be switched quickly and the production efficiency high.

Description of drawings

Figure 1 is a schematic structural diagram of a spraying assembly line for automotive trim;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the side view of Fig. 1;

Fig. 4 is the structural representation of the utility model;

Fig. 5 is the structural representation of adjustment unit;

Fig. 6 is the top view of Fig. 5;

7 is a schematic structural diagram of a transmission assembly in the prior art;

Fig. 8 is the exploded structure schematic diagram of the workpiece carrier rod;

FIG. 9 is a schematic structural diagram of a workpiece carrier rod.

Detailed ways

In FIGS. 1 , 2 and 3 , the spraying assembly line for automobile trim includes a conveying mechanism, a plurality of workpiece carrier bars 18 for loading workpieces 20 , and a spraying mechanism. The conveying mechanism includes a conveying chain, and the conveying chain includes a plurality of chain links 17, each chain link 17 is provided with a hinge hole, and a workpiece carrier rod 18 is hinged between two adjacent chain links by movably inserted at the hinge hole. The spraying mechanism includes a frame 16, an autorotation system mounted on the frame 16, and a spraying system. The autorotation system includes a plurality of autorotation rollers 10 mounted on the lower part of each workpiece carrier rod 18, and a transmission for driving the rotation of the respective rotary rollers 10. device, fine-tuning device. The transmission device is composed of two groups of transmission groups arranged in sequence along the transmission direction. Each group of transmission groups includes two oppositely arranged transmission components. Each transmission component includes a belt 11, a transmission pulley 14, a passive pulley 15, and a tensioning pulley. 14 is connected to the motor 19, and a transmission channel is formed between the belts 11 of the two transmission components of each group of transmission groups arranged in sequence along the transmission direction; the respective rotating idlers 10 are sequentially arranged in the transmission channel. The fine-tuning device is composed of four sets of fine-tuning assemblies arranged in sequence along the transmission direction, each set of fine-tuning assemblies includes two oppositely arranged adjusting units 12 for fine-tuning the width of the transmission channel.

In FIG. 4 , a group of transmission groups includes two oppositely arranged transmission components, and the two symmetrically arranged transmission components are arranged on both sides of the self-rotating supporting wheel 10 . The drive assembly includes a belt 11 , a drive pulley 14 , a driven pulley 15 , and a tension pulley 13 . The inner side of the belt of each transmission assembly is provided with two groups of fine adjustment assemblies along the transmission direction, and the two groups of fine adjustment assemblies include four adjustment units 12 . The four adjusting units 12 are respectively adjusting unit one 1201, adjusting unit two 1202, adjusting unit three 1203 and adjusting unit four 1204. The tensioning pulley 13 is arranged between the transmission pulley 14 and the passive pulley 15, and the transmission of the inner drive assembly An adjustment unit 1 1201 is set between the pulley 14 and the tension pulley 13, an adjustment unit 2 1202 is set between the driven pulley 15 and the tension pulley 13, and an adjustment unit 3 1203 is set between the drive pulley and the tension pulley of the outer transmission assembly , An adjustment unit 4 1204 is set between the passive pulley and the tensioning pulley. When the rotation idler 10 runs to the two pulleys on the left side of the adjustment unit 2 1202 and the adjustment unit 4 1204, the rotation idler 10 squeezes the two pulleys on the left side of the adjustment unit 2 1202 and the adjustment unit 4 1204, so that the adjustment unit 2 1202 and the adjustment unit 1204 The left pulley support plate of unit 4 1204 swings outward along the shaft rod, and the right pulley of adjustment unit 2 1202 and adjustment unit 4 1204 swing inward, automatically fine-tuning the distance between the belt and the rotation idler, so that the belt is tightly rotated Roller.

In Figs. 5 and 6, the pulley support plate 3 is an axisymmetric shape composed of an isosceles triangle portion and a rectangular portion connected to the base of the isosceles triangle portion. The top corner of the isosceles triangle portion of the pulley support plate 3 is provided with a mounting plate. A bearing 5 is installed at the installation hole, the shaft rod 4 is inserted into the bearing 1 5, the lower end of the shaft rod 4 is fixed on the supporting wheel fixing plate 1, and a pulley 6 is installed at each end of the rectangular part of the pulley support plate 3. The lower end of the bolt 7 is fixed to the assembly holes at both ends of the rectangular part of the pulley support plate 3 through the nut 9, the pulley 6 is sleeved on the outside of the middle of the bolt 7 through the second bearing 51, and the upper end of the bolt 7 is equipped with a shaft clamp 8. The supporting wheel fixing plate 1 is provided with two fixing screw holes 2 for adjusting the position of the supporting wheel fixing plate 1 . The idler fixing plate 1 is mounted on the bottom plate 1601 on the frame 16 through the fastening bolts inserted into the fixing screw holes 2 .

In Figure 7, 10' is an autorotating roller, 11' is a belt, 13' is a tensioning pulley, 14' is a transmission pulley, and 15' is a driven pulley. The belt 11' is in direct contact with the self-rotating supporting wheel 10' to generate friction to drive the self-rotating supporting wheel 10' to rotate.

In FIGS. 8 and 9 , the workpiece carrier rod 18 includes a rod body, and a top hat sleeve 1803 for positioning each product is inserted into the upper end of the rod body. An elastic sheet is fixed at the threaded hole at the upper end of the top hat sleeve 1803 , and the workpiece 20 is supported on the top hat sleeve 1803 through the elastic sheet. superior. The rod body includes an upper rod 1801 and a lower rod 1802 . The upper rod 1801 is a stepped rod, including an upper thin part and a lower thick part, the lower thick part has a limit pin 1806 along the radial direction, and the upper thin part and the lower thick part have a circle of limit flanges; the lower rod is a stepped structure , including the upper thick part and the lower detail part. The middle part of the upper thick part has a blind hole along the axial direction. Position pin one 1806 is fixedly inserted in the blind hole. The bottom of the blind hole is arc surface, which is easy to clean. The top hat sleeve 1803 is mounted on the upper detail of the upper rod 1801 through the second limit pin 1807 , and the lower part of the top hat sleeve 1803 is provided with the second limit port 1808 which cooperates with the second limit pin 1807 . The rotation supporting wheel 10 includes a wheel portion and a connecting sleeve connected to the upper end surface of the wheel portion. The connecting sleeve is radially provided with a threaded hole 1001. The lower side of the lower detail of the lower rod is milled with a flat portion, the screw is inserted at the threaded hole 1001, and the end of the screw is in contact with the flat portion of the lower detail of the lower rod.

Claims (5)

1. A spraying rotation system for automobile trim, characterized in that it comprises a plurality of rotation supporting wheels (10) mounted on the lower part of each workpiece carrier rod (18), a transmission device for driving the rotation of the respective rotary supporting wheels (10) , fine-tuning device; the transmission device is composed of more than one group of transmission groups arranged in sequence along the transmission direction, each group of transmission groups includes two oppositely arranged transmission components, each transmission component includes a belt (11), a transmission pulley (14) , passive pulley (15), tension pulley (13), a transmission channel is formed between the belts (11) of the two transmission components of each group of transmission groups arranged in sequence along the transmission direction; The fine-tuning device is composed of more than two sets of fine-tuning components arranged in sequence along the transmission direction, each set of fine-tuning components includes two oppositely arranged adjustment units (12) for fine-tuning the width of the transmission channel, and the two sets of fine-tuning components for each set of fine-tuning components are adjusted. The units are sequentially arranged along the transmission direction on the inner side of the belts (11) of the two transmission components of each group of transmission groups; the adjustment unit (12) includes a pulley support plate (3), and the pulley support plate (3) is composed of an isosceles triangle portion, An axisymmetric shape composed of a rectangular part connected to the bottom edge of the isosceles triangle part, the top corner of the isosceles triangle part of the pulley support plate (3) is provided with a mounting hole, and a bearing (5) is installed at the mounting hole, and the shaft rod ( 4) Inserted in bearing one (5), the lower end of the shaft rod (4) is fixed on the supporting wheel fixing plate (1), and a pulley (6) is installed at each end of the rectangular part of the pulley support plate (3). 2. The spraying rotation system for automobile trim parts according to claim 1, characterized in that: the supporting wheel fixing plate (1) is provided with two fixing screw holes (2) for adjusting the position of the supporting wheel fixing plate (1). ), the fixing screw hole (2) is an oblong hole, and the two oblong holes are symmetrical along the shaft rod (4). 3 . The spraying rotation system for automotive trim parts according to claim 1 , wherein the belt ( 11 ) is a V-belt, and the pulley ( 6 ) is a single-groove pulley that cooperates with the V-belt for transmission. 4 . 4. The spraying rotation system for automobile trim parts according to claim 1, characterized in that: the lower end of the bolt (7) is fixed to the assembly holes at both ends of the rectangular part of the pulley support plate (3) through the nut (9), and the pulley (6) ) is sleeved on the outside of the middle of the bolt (7) through the second bearing (51), and the upper end of the bolt (7) is equipped with a shaft clamp (8). 5 . The spraying rotation system for automobile trim parts according to claim 1 , wherein the supporting wheel fixing plate ( 1 ) is mounted on the bottom plate ( 1601 ) on the frame ( 16 ). 6 .

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