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CN-122007878-A - Automatic locking equipment for screw of air conditioner motor bracket

CN122007878ACN 122007878 ACN122007878 ACN 122007878ACN-122007878-A

Abstract

The invention discloses automatic screw locking equipment for an air conditioner motor bracket, which comprises a conveying line body assembly, wherein the conveying line body assembly is arranged on a main line body of an air conditioner production line in a butt joint mode, an electric screw tightening assembly, a triaxial module mechanism and a screw feeding and blanking mechanism are sequentially arranged on one side of the conveying line body assembly, and a visual positioning assembly is arranged above the electric screw tightening assembly. The nail feeding and blanking mechanism completes conveying of self-tapping screws, the visual positioning assembly accurately positions the positions of screw mounting holes, coordinates are sent to the PLC control system, the triaxial module mechanism drives the electric screw tightening assembly to complete screw suction and screw tightening actions, and therefore automatic feeding and positioning of workpieces, automatic nail feeding and separation, accurate positioning of screw mounting hole positions, automatic nail taking and automatic whole-flow automatic action of automatic nail locking are achieved. The invention can be compatible with the production of different product types, greatly lightens the labor capacity of workers, effectively improves the quality and the production efficiency of the products and realizes the automation and the intellectualization in the production process of the air conditioner.

Inventors

  • MU RONGSHENG
  • Shan Jinguo
  • CHEN YUNYU
  • CAO SHIXUAN
  • SUN DEJUN
  • LIU JIANFENG
  • SHEN LIYUAN
  • JIN YI
  • WANG XIAOYONG
  • WANG ZHIPENG
  • HUANG YI

Assignees

  • 中船鹏力(南京)智能装备系统有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The automatic screw locking equipment for the air conditioner motor bracket is characterized by comprising a conveying line body assembly (1), wherein the conveying line body assembly (1) is arranged on a main line body of an air conditioner in a butt joint mode, an electric screw tightening assembly (4), a triaxial module mechanism (3) and a screw feeding and blanking mechanism (2) are sequentially arranged on one side of the conveying line body assembly (1), a visual positioning assembly (5) is arranged above the electric screw tightening assembly (4), the electric screw tightening assembly (4) is arranged on an ascending module of the triaxial module mechanism (3), and the visual positioning assembly (5) is independently fixed on the installation ground through a frame; the conveying line body assembly (1) is used for conveying and swinging an assembly of the positive motor support (01) and the chassis (02), the nail feeding and blanking mechanism (2) is used for conveying the self-tapping screw (03) to the electric batch screwing assembly (4), the three-shaft module mechanism (3) is used for adjusting the working position of the electric batch screwing assembly (4), and the electric batch screwing assembly (4) is used for sucking the self-tapping screw (03) and screwing the self-tapping screw (03); The equipment still includes PLC control system, built-in control program, transfer chain body subassembly (1) carries the sub-assembly of motor support (01) and chassis (02) in place, send nail blank mechanism (2) to carry self-tapping screw (03) in place simultaneously, the position of accurate locating screw mounting hole of vision locating component (5), send the coordinate for PLC control system, triaxial module mechanism (3) drive electric batch screw up subassembly (4) accomplish self-tapping screw (03) and absorb, screw up action, realize the automatic lock of air conditioner motor support screw and attach the process.
  2. 2. The automatic screw locking equipment for the air conditioner motor support is characterized in that the conveying line body assembly (1) comprises a line body frame (11), electric rollers (12), a blocking stop (13), clamping cylinders (14) and a fixing flange (15), two sides of the top of the line body frame (11) are respectively provided with protruding section side edges, a plurality of uniformly distributed electric rollers (12) are arranged between the inner sides of the section side edges on the two sides, the blocking stop (13) is arranged in a gap between every two adjacent electric rollers (12), the blocking stop is used for stopping after an assembly of a motor support (01) and a chassis (02) is in place, an electric push rod is fixedly connected to the lower side of a section of the line body frame (11), the output end of the electric push rod is in transmission connection with the blocking stop (13), the movable push plate and the fixing flange (15) are respectively arranged on two sides of the section side edges of the line body frame (11), the movable push plate is mounted on the section side edge on the front through the clamping cylinders (14), and the fixing flange (15) is connected to the section side of the rear section bar upper by adopting an adjustable side.
  3. 3. The automatic locking equipment for the air conditioner motor support screw is characterized in that an in-place induction photoelectric device (16) and a code scanning gun (17) are further arranged on the profile side wall of the wire body frame (11), the number of the in-place induction photoelectric devices (16) is two, the two in-place induction photoelectric devices (16) are diagonally arranged on two sides of the wire body frame (11), the code scanning gun (17) is used for reading bar code information of a product workpiece, scanning signals of the code scanning gun (17) and induction signals of the in-place induction photoelectric devices (16) are synchronously uploaded to a Mesh system, and the Mesh system interacts with the PLC control system.
  4. 4. The automatic screw locking equipment for the air conditioner motor support is characterized in that the screw feeding and cutting mechanism (2) comprises a mounting frame (21), a feeding bin (22), a vibrating bin (23), a direct vibrating channel (24) and a screw divider (25), wherein the feeding bin (22) and the vibrating bin (23) are both fixed on the mounting frame (21), a discharge hole of the feeding bin (22) is in butt joint with a feed hole of the vibrating bin (23), an input end of the direct vibrating channel (24) is in butt joint with a discharge hole of the vibrating bin (23), the screw divider (25) is arranged at an output end of the direct vibrating channel (24), the direct vibrating channel (24) is located under the triaxial module mechanism (3) and extends to one side of the conveying line body assembly (1), and a control cylinder is arranged inside the screw divider (25) and used for controlling single screws to pass through in sequence after being divided.
  5. 5. The automatic screw locking and attaching device for air conditioner motor brackets according to claim 4, wherein the number of the screw feeding and blanking mechanisms (2) is at least two, and at least two tapping screws (03) are simultaneously supplied to the electric batch tightening assembly (4).
  6. 6. The automatic locking device for air conditioner motor bracket screws according to claim 1, wherein: the three-axis module mechanism (3) comprises a mounting frame (31), a Y-axis module mechanism (32), a Z-axis module mechanism (33) and an X-axis variable-pitch module mechanism (34), wherein the Y-axis module mechanism (32) is fixed on a mounting table surface of the mounting frame (31) through a bracket, the Z-axis module mechanism (33) is connected with the Y-axis module mechanism (32) through an L-shaped connecting plate and is built into a two-axis module mechanism, the X-axis variable-pitch module mechanism (34) is installed on a movable module of the Z-axis module mechanism (33) through a connecting plate (343), a positive lead screw and a negative lead screw are arranged on a module of the X-axis variable-pitch module mechanism (34), two sliding blocks are sleeved on the outer side of the positive lead screw in a threaded manner, the sliding blocks are fixedly connected with a combined plate on the outer wall of the sliding block, the electric tightening assembly (4) is fastened on the plate through bolts, the positive lead screw and the negative lead screw realizes two sliding block variable-pitch movements, so that screw hole pitch changes in different types, and the Y-axis module mechanism (32), the Z-axis variable-pitch module mechanism (34) and the left and the right direction of the electric power saving module mechanism (34) are correspondingly screwed in the front direction of the left direction and the right direction of the power saving module mechanism.
  7. 7. The automatic screw locking device for the air conditioner motor support is characterized in that the X-axis distance changing module mechanism (34) comprises a rotary driving servo (341) and a corner speed reducer (342), the output end of the rotary driving servo (341) is in transmission fit with the input end of the corner speed reducer (342), the connection part of a module fixing frame and a connecting plate (343) of the X-axis distance changing module mechanism (34) is in rotary fit through a bearing, and the X-axis distance changing module mechanism (34) is driven by the rotary driving servo (341) and the corner speed reducer (342) to realize fixed-angle rotation so as to be compatible with screw angle changes of different types.
  8. 8. The automatic screw locking equipment for the air conditioner motor support is characterized in that the electric screw tightening assembly (4) comprises a module connecting plate (41), an electric screw cylinder (42), an electric screw guide rail (43), an electric screw adapter plate (44), an electric screw (45) and a screw suction head (46), wherein the module connecting plate (41) is fixed on a combined plate of an X-axis variable-pitch module mechanism (34), the electric screw adapter plate (44) is movably connected to the module connecting plate (41) through the linear guide rail, the electric screw cylinder (42) is fixed at the end of the module connecting plate (41), the output end of the air cylinder (42) is in transmission fit with the electric screw adapter plate (44) to realize linear movement of the electric screw, the screw suction head (46) is fixed at one end, far away from the air cylinder (42), of the screw suction head (46) is connected with a negative pressure system, the electric screw (03) in a screw distributor (25) is sucked in operation, the electric screw head and the screw suction head (46) are coaxially distributed, a through hole is formed in the axis of the screw suction head (46), and the electric screw (45) penetrates through the electric screw head (03) to realize automatic screw tapping.
  9. 9. The automatic screw locking equipment for the air conditioner motor support is characterized in that the visual positioning assembly (5) comprises a visual support (51), a camera adjustable support (52), a 2D camera (53) and a light source system (54), the visual support (51) is installed on one side of a screw of the conveying line body assembly (1) in a falling mode, the camera adjustable support (52) is hoisted on the visual support (51), the camera adjustable support (52) is connected with the clamping block through the support and the clamping block to adjust the 2D camera (53), the number of the 2D cameras (53) is two, the two 2D cameras (53) are provided with two light source systems (54), and the two light source systems (54) are used for polishing two screw mounting holes for repairing the working position of the screwing assembly (4).
  10. 10. The automatic locking equipment for the air conditioner motor support screw is characterized in that a protection assembly (6) is arranged on the outer side of the triaxial module mechanism (3), the protection assembly (6) comprises a section frame (61), a protection cover (62), a connecting corner piece (63), a safety switch (64), a touch screen (65) and a signal lamp (66), the protection assembly (6) is connected to the mounting frame (31) through the connecting corner piece (63), the protection cover (62) is made of transparent acrylic plates and is respectively mounted on a fixed section and an openable door frame, and the safety switch (64), the touch screen (65) and the signal lamp (66) are locked and attached to a section connecting groove for safety protection, operation control and state judgment of the whole equipment.

Description

Automatic locking equipment for screw of air conditioner motor bracket Technical Field The invention relates to the technical field of air conditioner external motor bracket assembly, in particular to automatic locking equipment for screws of an air conditioner external motor bracket. Background At present, in the production process of an air conditioner external unit, the assembly of a motor bracket and a chassis screw is required. Screw locking of the existing production line is assembled manually. As shown in fig. 1 and 2, in the process of manufacturing the air conditioner external unit, the motor bracket 01 is manually mounted in the fastening groove of the chassis 02, so that the screw hole of the motor bracket 01 is aligned with the screw hole of the chassis 02. The workpiece flows to the next station, and two tapping screws 03 are assembled manually by adopting a fixed-moment electric batch, so that the motor bracket 01 is connected with the chassis 02. The chassis of the external machine is designed into complex curved surfaces, the connection angle of the motor bracket and the chassis screw and the screw hole distance are changed along with the change of the production model, and the manual assembly screw can adapt to the change of different models to realize accurate assembly. Screw assembly on complicated panel beating curved surface can be realized to artifical adoption fixed moment electricity batch, but along with the improvement of production linear velocity, the intensity of artifical assembly screw is great, and it is unavoidable that there is the product screw to leak to beat, screws up the condition that the moment of torsion is not up to standard, leads to product quality to descend, assembly efficiency is low. To realize the automatic assembly of the motor bracket and the chassis screw of the equipment, accurate positioning is required to be realized for the screw mounting hole, and the compatibility of the production air conditioner model and the high-speed production takt requirement are ensured. Therefore, it is necessary to develop an automatic locking device for the bracket screw of the air conditioner motor to solve the above problems. Disclosure of Invention Aiming at the problems, the invention aims to provide the automatic locking equipment for the screw of the air conditioner motor bracket, which can automatically lock the screw of the motor bracket and the chassis, can accurately identify the hole distances of screws of different machine types, can accurately drive the screws by the screw driving mechanism, can meet corresponding process standards, can realize high compatibility and high efficiency of the production machine type, can reduce the labor intensity of manpower, can improve the quality of the screw locked products, and can improve the production efficiency of the production line. In order to solve the technical problems, the invention adopts the following technical scheme: The automatic screw locking equipment for the air conditioner motor bracket comprises a conveying line body assembly, wherein the conveying line body assembly is arranged on a main line body of an air conditioner production line in a butt joint mode, an electric screw tightening assembly, a triaxial module mechanism and a screw feeding and blanking mechanism are sequentially arranged on one side of the conveying line body assembly, a visual positioning assembly is arranged above the electric screw tightening assembly, the electric screw tightening assembly is arranged on an ascending module of the triaxial module mechanism, and the visual positioning assembly is independently fixed on the installation ground through a frame; The three-shaft module mechanism is used for adjusting the working position of the electric batch screwing assembly, and the electric batch screwing assembly is used for sucking the self-tapping screw and screwing the self-tapping screw; The equipment still includes PLC control system, and built-in control program, the assembly of transfer chain body subassembly with motor support and chassis carries in place, and the nail feed cutting mechanism carries self-tapping screw in place simultaneously, and the accurate locating screw mounting hole's of vision locating component position, send the coordinate to PLC control system, and triaxial module mechanism drive electricity is criticized and is screwed up the subassembly and accomplish self-tapping screw and absorb, screw and screw is screwed up the action, realizes the automatic locking of air conditioner motor support screw and attaches the process. Preferably, the conveying line body component comprises a line body frame, electric rollers, in-place blocking, clamping cylinders and fixed flanges, two sides of the top of the line body frame are respectively provided with convex profile side edges, a plurality of electric rollers which are uniformly distributed are arranged between the inner sides of the profile side edges, in-