CN111606018A - An automatic assembly line plastic injection molding production line - Google Patents

Abstract

An automatic assembly line plastic injection molding production line, comprising: a main conveying track, one or more injection molding machines, and the main conveying track is a double-layered track; and one or more lift rails, wherein the lift rail includes a lift rail drive rail, a bottom plate, a lift drive rod group, The drive mechanism, each group of lift transmission rods comprises a pair of cross-arranged lift transmission rod 1 and lift transmission rod 2. The upper ends of the lift transmission rod 1 and the lift transmission rod 2 are respectively hinged at the upper support under the transmission track of the lifting track, and the lifting and lowering The second lower end of the transmission rod is hinged at the lower support on the base plate, and the lower end of the lifting transmission rod is movably installed at the guide groove; and a manipulator is also included. The invention connects a plurality of injection molding machines, and sends them to a designated station through a manipulator, a main conveying track and a transfer box. Adopting the design of lifting track and double-layer track, and used with multiple injection molding machines, it can effectively improve production efficiency and reduce personnel costs.

Description

An automatic assembly line plastic injection molding production line

technical field

The invention belongs to the technical field of machinery, and relates to an injection molding production line.

Background technique

Lead-acid batteries are widely used in transportation, telecommunication power, stations and docks and other fields. The demand for lead-acid battery casings is increasing, and lead-acid battery casings are produced by plastic injection molding. Plastic injection molding production is a wide range of plastic production processes. It is usually a labor-intensive production mode. One injection molding machine is operated by one person, three shifts a day, and four people are required for rest personnel. Manual operation is not only a safety hazard, but also artificial. The high cost also leads to unstable quality, low production efficiency, and difficulty in staff training and management.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above-mentioned problems in the prior art, and propose an automatic assembly line plastic injection molding production line, which has a reasonable design, improves production efficiency and reduces personnel costs.

The technical scheme of the present invention includes: a main conveying track, which is a double-layered track, including an upper layer of the conveying track and a lower layer of the conveying track; A set of oppositely arranged lifting transmission rods and a drive mechanism for driving the lifting and lowering of the lifting transmission rod group. The upper end of the second rod is hinged to the upper support under the transmission track of the lifting track, the lower end of the second lifting transmission rod is hinged to the lower support on the bottom plate, and the lower end of the lifting transmission rod is movably installed at the guide groove; The top of the lift rail drive track is flush with the upper layer of the conveying track when it is in position, or when the lift rail is lowered to a low position, the top of the lift rail drive rail is flush with the lower layer of the conveying track; for more than one injection molding machine, the lift rail and injection molding machine are located on the side of the main conveying track There is a one-to-one correspondence between the injection molding machine and the lifting track; it also includes a manipulator for taking out the products in the injection molding machine mold and placing it into the product turnover box on the lifting track.

The side part of the main conveying track is also provided with more than one product inspection station.

The conveying main track includes a first horizontal track segment, a second horizontal track segment, and a connecting track segment connecting one end of the first horizontal track segment and the second horizontal track segment.

The lifting rail and the injection molding machine are arranged in sequence on one side of the horizontal rail segment, and the product inspection stations are arranged in sequence on the two sides of the horizontal rail segment.

Each product inspection station has two stations, and the two stations are opposite to the two sides of the horizontal track section.

The drive mechanism includes a lift transmission motor and a transmission mechanism. The transmission mechanism includes a fixed gear 1, a fixed gear 2, and a motor shaft gear. The motor shaft gear is mounted on the lift transmission motor shaft. The fixed gear 1 and the fixed gear 2 are connected by a chain 1. Transmission connection, the motor shaft gear and the fixed gear 1 are connected through the chain 2, the guide groove is located between the fixed gear 1 and the fixed gear 2, the end of the lift transmission rod has a pulley that matches the guide groove and a linkage gear that meshes with the chain 1.

The bottom plate is also provided with a lowering limit protection column for limiting the position of the bottom plate.

There are at least two drop limit guard columns.

The upper side part of the conveying rail and the lower side part of the conveying rail are respectively provided with auxiliary rails for docking with the lifting rail, and the roller table axis on the auxiliary rail is perpendicular to the roller table axis of the upper layer of the conveying rail.

The main conveying rail is provided with a jacking transmission device corresponding to each auxiliary rail and or at the turning point of the main conveying rail.

The present invention is designed in combination with the characteristics of the lead-acid battery shell, and the present invention connects a plurality of injection molding machines and delivers them to a designated station through a manipulator, a main conveying track, and a transfer box. Adopting the design of lifting track and double-layer track, and used with multiple injection molding machines, it can effectively improve production efficiency and reduce personnel costs. In order to protect the plastic parts, all materials are placed in the turnover box, and the plastic parts are obtained by the robot above the injection molding machine, which will not be polluted by the water and oil of the injection molding machine. It is transported by rollers, passing through the elevated racks of the rollers, avoiding pedestrian passages, and does not affect ground walking and vehicle traffic. The transmission mechanism drives the chain through gears, and finally pushes the lifting transmission rod installed in the guide groove of the lower bottom plate, wherein the rising and falling states of the lifting rod can be changed by changing the direction of the transmission motor.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the connection schematic diagram of conveying main track and lifting track;

Fig. 3 is the structural representation of the lifting track;

In the figure: 1. Injection molding machine; 2. Manipulator; 3. Lifting track; 7. Product turnover box; 8. Product inspection station; 9. Main conveying track; 10. Auxiliary track; 102. Lifting track transmission track; 103, Transmission track power motor; 104, lift transmission rod; 105, lift transmission power motor; 106, motor shaft gear; 107, lower limit protection column; 108, fixed gear one; 109, guide groove; 110, linkage gear; 111, fixed Gear 2; 201, manipulator; 202, plastic products; 203, turnover box in packing; 204, turnover box in transfer of finished products; 205, upper layer of conveying track; 206, lower layer of conveying track; 208, empty turnover box.

Detailed ways

In FIGS. 1 and 2 , the present invention includes a main conveying rail 9 , three lifting rails 3 , three injection molding machines 1 , and three manipulators 2 . The main conveying track 9 is a double-layered track, including an upper layer 205 of the conveying track and a lower layer 206 of the conveying track. The injection molding machine 1, the lifting rail 3, and the injection molding machine 1 are all located on the side of the main conveying rail 9, and the injection molding machine 1 corresponds to the lifting rail 3 one-to-one. The side of the upper layer 205 of the conveying track and the side of the lower layer 206 of the conveying track are respectively provided with auxiliary rails 10 for docking with the lifting rail 3 . The main conveying rail 9 is provided with a jacking transmission device corresponding to each auxiliary rail 10 and or at the turning point of the main conveying rail 9. The jacking transmission device includes a jacking cylinder, a transmission belt located on the jacking cylinder, and a pulley that cooperates with the transmission belt. . The main conveying track 9 includes a horizontal track segment 1, a horizontal track segment 2, and a connecting track segment connecting one end of the horizontal track segment 1 and the horizontal track segment 2. The lifting rail 3 and the injection molding machine 1 are arranged in sequence on one side of the horizontal rail section, and the product inspection station 8 is arranged in sequence on the two sides of the horizontal rail section. Each product inspection station 8 has two stations, and the two stations are oppositely arranged on the two sides of the horizontal rail section.

In FIG. 3, the lift rail 3 includes a lift rail transmission rail 102, a bottom plate, two sets of oppositely arranged lift drive rod groups, and a drive mechanism for driving the lift drive rod groups to rise and fall. Lifting transmission rod 1, lifting transmission rod 2 104, the upper ends of lifting transmission rod 1 and lifting transmission rod 2 104 are respectively hinged to the upper support below the transmission track 102 of the lifting track, and the lower end of the lifting transmission rod 104 is hinged to the lower support on the bottom plate At the seat, the lower end of the lifting transmission rod is movably installed at the guide groove 109; when the lifting rail 3 is raised to a high position, the upper surface of the lifting rail transmission rail 102 is flush with the upper layer of the conveying rail or when the lifting rail 3 is lowered to a low position. The top of 102 is flush with the lower layer of the conveying track. The driving mechanism includes a lifting transmission motor 105 and a transmission mechanism. The transmission mechanism includes a fixed gear 1 108, a fixed gear 2 111, and a motor shaft gear 106. The motor shaft gear 106 is installed on the shaft of the lifting transmission motor 105. The fixed gear 1 108 is connected to the fixed gear 108. The second gear 111 is connected by the first chain transmission, the motor shaft gear 106 and the fixed gear one 108 are connected by the second chain transmission, the guide groove 109 is located between the fixed gear one 108 and the fixed gear two 111, and the end of the lift transmission rod 104 has a guide groove 109 is matched with the pulley, and the chain gear 110 is meshed with the chain.

During the lifting process, the lifting rail 3 is rotated by the lifting transmission motor 105, which drives the coaxial motor shaft gear 106 to rotate, and the motor shaft gear 106 drives the fixed gear 1 108 through the chain; the linkage gear 110 is coaxially connected and installed with the bottom shaft of the lifting transmission rod. In the guide groove 109, the fixed gear 108, the fixed gear 2 111 and the chain drive the linkage gear 110 to rotate, so that the lifting transmission rod can move left and right in the wire groove 109, and finally push the lifting rod to move up and down; In order to prevent the motor from running out of control during the descending process, the protection column 107 stops the descending action through the mechanical gear to protect the chain from being pulled off. Changing the direction of the drive rail power motor 103 can change the rising and falling states of the lift rod.

When working, each injection molding machine 1 is equipped with a manipulator 2, the manipulator 2 takes out the plastic product 202 from the mold of the injection molding machine 1, the lifting rail 3 is at a high position, and the plastic product 202 is placed in the product turnover box 7 on the lifting rail 3, The product turnover box 7 is sent to the upper layer 205 of the conveying track of the main conveying track 9 through the lifting rail 3 to start the transmission, and is transferred to the product inspection station 8. The operator takes out the plastic products 202 in the product turnover box 7 for inspection, and the empty turnover box 208 is placed on the lower layer 206 of the conveying track of the conveying main track 9. When the empty turnover box 208 is transferred to the corresponding position of the lifting track 3 through the auxiliary track 10, the lifting track 3 is lowered to a low position, and the upper surface of the lifting track transmission track 102 is flush with the lower layer 206 of the transport track, The empty turnover box 208 is moved to the top of the lifting rail transmission rail 102 with the assistance of the jacking transmission mechanism, and the lifting rail 3 is raised to a high position to complete a complete cycle operation. Among them, 203 is a turnover box in packing, and 204 is a turnover box in the transfer of finished products.

Claims (10)

1. The utility model provides an automatic assembly line plastics injection moulding line which characterized in that: the method comprises the following steps:

the conveying main track (9) is a double-layer track and comprises a conveying track upper layer (205) and a conveying track lower layer (206);

the lifting track (3) comprises a lifting track transmission track (102), a bottom plate, two groups of lifting transmission rod groups arranged oppositely and a driving mechanism for driving the lifting transmission rod groups to lift, each group of lifting transmission rod group comprises a pair of lifting transmission rod I and a lifting transmission rod II (104) arranged in a crossed mode, the upper ends of the lifting transmission rod I and the lifting transmission rod II (104) are respectively hinged to an upper support seat below the lifting track transmission track (102), the lower end of the lifting transmission rod II (104) is hinged to a lower support seat on the bottom plate, and the lower end of the lifting transmission rod I is movably arranged at a guide groove (109); when the lifting track (3) is lifted to a high position, the upper surface of the lifting track transmission track (102) is flush with the upper layer of the conveying track, or when the lifting track (3) is lowered to a low position, the upper surface of the lifting track transmission track (102) is flush with the lower layer of the conveying track;

the injection molding machines (1) are arranged, the lifting rails (3) and the injection molding machines (1) are located on the side portions of the conveying main rails (9), and the injection molding machines (1) correspond to the lifting rails (3) one by one;

the automatic loading and unloading device further comprises a manipulator (2) for taking out the products in the injection molding machine die and placing the products into a product turnover box (7) on the lifting track (3).

2. The automated in-line plastic injection molding line of claim 1, wherein: the side part of the main conveying track (9) is also provided with more than one product inspection station (8).

3. The automated in-line plastic injection molding line of claim 2, wherein: the conveying main track (9) comprises a first horizontal track section, a second horizontal track section and a connecting track section which is connected with one end of the first horizontal track section and one end of the second horizontal track section.

4. The automated in-line plastic injection molding line of claim 2, wherein: the lifting track (3) and the injection molding machine (1) are sequentially arranged on one side part of the horizontal track section, and the product inspection stations (8) are sequentially arranged on the two side parts of the horizontal track section.

5. The automated in-line plastic injection molding line of claim 4, wherein: each product inspection station (8) has two stations, and the two stations are oppositely provided with two side parts of the horizontal rail section.

6. The automated in-line plastic injection molding line of claim 1, wherein: the driving mechanism comprises a lifting transmission motor (105) and a transmission mechanism, the transmission mechanism comprises a first fixed gear (108), a second fixed gear (111) and a motor shaft gear (106), the motor shaft gear (106) is arranged on a shaft of the lifting transmission motor (105), the first fixed gear (108) is in transmission connection with the second fixed gear (111) through a chain, the motor shaft gear (106) is in transmission connection with the first fixed gear (108) through the second chain, a guide groove (109) is located between the first fixed gear (108) and the second fixed gear (111), and a pulley matched with the guide groove (109) and a linkage gear (110) meshed with the first chain are arranged at the end part of the lifting transmission rod (104).

7. The automated in-line plastic injection molding line of claim 1, wherein: and a descending limit protection column (107) for limiting the position of the bottom plate is also arranged on the bottom plate.

8. The automated in-line plastic injection molding line of claim 7, wherein: the number of the descending limit protection columns (107) is at least two.

9. The automated in-line plastic injection molding line of claim 1, wherein: the lateral part of the upper conveying track layer (205) and the lateral part of the lower conveying track layer (206) are respectively provided with an auxiliary track (10) for butting the lifting track (3), and the axis of a roller way on the auxiliary track (10) is vertical to the axis of the roller way of the upper conveying track layer (205).

10. The automated in-line plastic injection molding line of claim 9, wherein: the conveying main track (9) is provided with a jacking transmission device corresponding to each auxiliary track (10) and/or the turning part of the conveying main track (9), and the jacking transmission device comprises a jacking cylinder, a transmission belt positioned on the jacking cylinder and a belt pulley working in cooperation with the transmission belt.

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