CN213857951U

CN213857951U - Double-end stud assembling machine of alternating-current generator

Info

Publication number: CN213857951U
Application number: CN202021713744.5U
Authority: CN
Inventors: 张勇; 焦翔宇
Original assignee: Chongqing Friend Industrial Co ltd
Current assignee: Chongqing Friend Industrial Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-08-03
Anticipated expiration: 2030-08-17

Abstract

The utility model provides an alternator stud assembly machine, includes the assembly support body, its characterized in that: a running water rack is arranged above the assembling rack body, and a conveying chain line for driving the product tray to move forwards is arranged on the running water rack; the product tray is provided with a positioning part for positioning a product to be assembled; the assembling frame body is provided with a vibrating disc for vibrating and feeding the stud to be assembled, and the vibrating disc is correspondingly connected with a stud positioning device for transmitting and positioning the stud to be assembled; the assembling frame body is also provided with a four-axis robot, and an operating part is arranged on the four-axis robot; the operation portion includes a grasping portion and a leak detection portion. The utility model relates to a rationally, treat through four-axis robot that assembly stud snatchs, positioning assembly and detect, add this equipment to product complete machine assembly line in, improved production efficiency, guaranteed the assembly uniformity and the stability of product, and reduced assembly error rate and workman intensity of labour.

Description

Double-end stud assembling machine of alternating-current generator

Technical Field

The utility model relates to an alternator stud assembly machine.

Background

With the popularization of modern industrial production intellectualization and automation, the traditional manual or semi-automatic production and assembly is gradually replaced. For example, in the process of assembling the alternating-current generator, the components such as a rotor, a stator and an end cover need to be respectively assembled by screws and nuts, so that the integrity of later-stage integral assembly is ensured. In order to further realize the streamlined assembly of the whole alternator, the stud assembly is used as a process of the whole alternator assembly line, and the integrity of the assembly and the product consistency are directly related to the continuity of subsequent assembly, so that the assembly automation and the assembly integrity are very important on the premise of ensuring the normal assembly of components.

Disclosure of Invention

To the weak point among the above-mentioned prior art, the utility model aims at providing a stud assembly machine, its reasonable in design has improved production efficiency, has guaranteed the assembly uniformity and the stability of product, and has reduced assembly error rate and workman's intensity of labour.

In order to realize the above function, the utility model adopts the following technical scheme: the utility model provides an alternator stud assembly machine, includes the assembly support body, its characterized in that: a running water rack is arranged above the assembling rack body, and a conveying chain line for driving the product tray to move forwards is arranged on the running water rack; the product tray is provided with a positioning part for positioning a product to be assembled; the assembly frame body is also provided with a tray jacking and positioning mechanism for lifting the product tray; the tray jacking positioning mechanism comprises a lower bottom plate fixedly connected with the assembly frame body, a jacking cylinder and guide pillars for guiding the cylinder to stretch and retract are fixedly arranged on the lower bottom plate, an upper bottom plate is fixedly arranged at the top end of a piston rod of the jacking cylinder, and a positioning pin matched with the product tray for positioning is arranged at the upper end of the upper bottom plate; the assembling frame body is provided with a vibrating disc for vibrating and feeding the stud to be assembled, and the vibrating disc is correspondingly connected with a stud positioning device for transmitting and positioning the stud to be assembled; the assembling frame body is further provided with a four-axis robot, the four-axis robot is provided with an operation part, the operation part comprises a grabbing part and a leakage detecting part, the grabbing part is used for grabbing the stud to be assembled on the stud positioning device and moving the stud to be assembled above the product to be assembled for assembling, the leakage detecting part is used for detecting whether the stud to be assembled on the product to be assembled is neglected to be assembled, and the tail end of the stud positioning device is further provided with a vibrating disc discharging detection part; the assembling frame body is also provided with a workpiece existence detection part; the assembly frame body with the assembly frame bottom is equipped with the adjustable lower margin of fixing with ground respectively.

Furthermore, the assembly frame body and the running water frame are arranged in a split mode, and the assembly frame body is located below the running water frame; the assembly frame body is provided with a telescopic limiting pile which can limit the position of the product tray.

Furthermore, the limiting piles are provided with rollers which are contacted with the end parts of the product trays.

Furthermore, a stud conveying groove is formed between the vibration disc and the stud positioning device and is perpendicular to the stud positioning device which is adjacently arranged.

Furthermore, an eyebolt is arranged on the product tray.

Further, the assembly jig body is surrounded outward and is equipped with the fuselage protective assembly who has the emergency exit, be equipped with lock safety switch on the emergency exit, be equipped with tricolor lamp and human-computer interface on the fuselage protective assembly, tricolor lamp, human-computer interface all with the four-axis robot electricity is connected.

Further, the four-axis robot is positioned on the assembly frame body through the base.

To sum up, compared with the original structure, the utility model has the following advantages: reasonable in design snatchs, positioning assembly and detects through four-axis robot treating assembly stud to add it to waiting to assemble in the product complete machine assembly line, improved production efficiency, guaranteed the assembly uniformity and the stability of product, and reduced assembly error rate and workman's intensity of labour.

Drawings

FIG. 1 is a schematic three-dimensional structure of a stud assembly machine.

FIG. 2 is a schematic view of a stud assembler in elevation view.

FIG. 3 is a schematic left side view of the stud assembly machine.

FIG. 4 is a schematic top view of the stud assembly machine.

Fig. 5 is a schematic structural diagram of a tray jacking positioning mechanism.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

An alternator stud assembly machine as shown in figures 1 to 5,

the utility model provides an alternator stud assembly machine, includes assembly frame body 1, its characterized in that: a running water rack 2 is arranged above the assembling rack body 1, and a conveying chain line 3 for driving the product tray 34 to move forwards is arranged on the running water rack 2; the product tray 34 is provided with a positioning part for positioning the product 4 to be assembled; the assembly frame body 1 is also provided with a tray jacking and positioning mechanism 36 for lifting the product tray 34; the tray jacking positioning mechanism 36 comprises a lower bottom plate fixedly connected with the assembly frame body 1, a jacking cylinder 39 and guide pillars 40 for guiding the cylinder to stretch and retract are fixedly arranged on the lower bottom plate, an upper bottom plate is fixedly arranged at the top end of a piston rod of the jacking cylinder 39, and a positioning pin 41 for positioning the product tray 34 in a matched manner is arranged at the upper end of the upper bottom plate; the assembling frame body 1 is provided with a vibrating disc 10 for vibrating and feeding the stud to be assembled, and the vibrating disc 10 is correspondingly connected with a stud positioning device 12 for transmitting and positioning the stud to be assembled; the assembling frame body 1 is further provided with a four-axis robot 31, the four-axis robot 31 is provided with an operation part, the operation part comprises a grabbing part 32 and a leakage detecting part 33, the grabbing part is used for grabbing the stud to be assembled on the stud positioning device 12 and moving the stud to be assembled above the product 4 to be assembled for assembling, the leakage detecting part is used for detecting whether the stud to be assembled on the product 4 to be assembled is neglected to be assembled, and the tail end of the stud positioning device 12 is further provided with a vibrating disc discharging detecting part 13; the assembly frame body 1 is also provided with a workpiece existence detection part 14; the bottom of the assembly frame body 1 and the bottom of the flowing water frame 2 are respectively provided with an adjustable foot margin 5 fixed with the ground.

Further, the assembly frame body 1 and the running water frame 2 are arranged in a split manner, and the assembly frame body 1 is positioned below the running water frame 2; the assembly frame 1 is provided with a position limiting pile 37 which can limit the position of the product tray 34 and can be extended and contracted.

Further, the position-limiting piles 37 are provided with rollers 38 which contact the ends of the product trays 34.

Further, a stud conveying groove 11 is formed between the vibration disc 10 and the stud positioning device 12, and the stud conveying groove 11 is perpendicular to the stud positioning device 12 which is adjacently arranged.

Further, an eye bolt 35 is arranged on the product tray 34.

Further, assembly support body 1 periphery is equipped with the fuselage protective assembly 15 that has the emergency exit, be equipped with lock safety switch 18 on the emergency exit, be equipped with tricolor light 16 and human-computer interface 17 on the fuselage protective assembly 15, tricolor light 16, human-computer interface 17 all with four-axis robot 31 electricity is connected.

Further, the four-axis robot 31 is positioned on the assembly frame body 1 by a base 30.

The utility model discloses in, the simple and easy step of station operation as follows:

a. product trays 34 flow into the station;

b. the tray jacking and positioning mechanism 36 lifts and positions the product tray 34;

c. feeding by an automatic feeding mechanism, distributing by a sorting mechanism, and detecting unqualified products;

d. the four-axis robot drives the clamp to clamp the stud for preassembling;

e. the tray lift 36 drops and the product tray 34 exits the station.

The limiting pile 37 can be realized through a lever mechanism and driven by an air cylinder, so that the limiting pile 37 can be used for limiting the product tray 34 intermittently, namely, the product tray 34 loaded with the product 4 to be assembled can be accurately stopped on a station where the four-axis robot 31 is positioned, and the subsequent assembling and positioning of the stud are facilitated. The specific structure of the limiting pile 37 may also adopt other mechanical structures, for example, the limiting pile 37 is in a blocking state to the product tray 34 in a normal state, and when the product 4 to be assembled is assembled and moves on the conveying chain line 3, the limiting pile 37 is in a contracting state, so that fixed-point limiting to the product tray 34 can be realized.

When the product 4 to be assembled on the product tray 34 and the stud bolt to be assembled on the four-axis robot 31 are assembled, the product tray 34 may need to be lifted to meet the assembly requirement, and therefore, the limiting piles 37 are provided with rollers which are in contact with the end portions of the product tray 34, so that when the product tray 34 is lifted, the limiting piles 37 are in rolling fit with the product tray 34, the problem that the product tray 34 is lifted and lowered by the limiting piles 37 when lifted and lowered is prevented, and further the product tray 34 is changed along the length direction or the width direction, and the situation that the assembly is not in place is influenced is avoided. Directly on the assembly frame 1, there is a tray lift positioning mechanism 36 for lifting the product tray 34.

Four-axis robot 31 is located assembly support body 1 through the base, is equipped with on this four-axis robot 31 and snatchs portion 32, leak hunting portion 33, and wherein snatchs portion 32 mainly used and snatchs the back to stud on the stud positioner 12 is oriented, and rethread four-axis robot 31 moves to the waiting to assemble product 4 on the product tray 34, adapts to the adjustment through four-axis robot 31, adopts numerical control, finally realizes stud's assembly respectively. After assembly and assembly are finished, the leakage detecting part 33 detects the stud bolts mechanically or by infrared and the like to find out whether the stud bolts are neglected to be assembled, and if the stud bolts are neglected to be assembled, the four-axis robot 31 continues to grab and assemble the stud bolts until the assembly requirements are met.

When stud conveyer trough 11 will wait to assemble stud and carry to stud positioner 12, wait to assemble stud by stud positioner 12 and fix a position alone foremost one, concrete structure is: the positioning plate is arranged along the horizontal vertical direction of the stud conveying groove 11, a notch capable of only positioning one stud to be assembled is correspondingly arranged on the positioning plate, when the positioning plate is used, the positioning plate is driven by an air cylinder or an oil cylinder, the notch of the positioning plate corresponds to the port of the stud conveying groove 11, the stud to be assembled which moves forwards to the foremost end in the stud conveying groove 11 enters the notch of the positioning plate, and then the air cylinder or the oil cylinder drives the positioning plate to move backwards to drive the corresponding stud to be assembled to move to a set position. In application, a limiting part for limiting the position of the positioning plate can be arranged on the assembly frame body 1, so that the situation that excessive movement occurs during operation of the air cylinder or the oil cylinder and the like to influence the grabbing of the four-axis robot 31 is avoided.

The machine body protection assembly 15 with the safety door is arranged on the periphery of the assembly frame body 1, safety production is guaranteed, external interference is effectively avoided, the door lock safety switch 18 is arranged on the safety door, and the interior of the assembly machine can be overhauled after the assembly machine is opened. The fuselage protective assembly 15 is provided with a three-color lamp 16 and a human-computer interface 17, and the three-color lamp 16 and the human-computer interface 17 are electrically connected with the four-axis robot 31. The working state of the four-axis robot 31 is displayed and recorded on the human-computer interface 17, so that workers can observe the working state of the assembly machine conveniently. The three-color lamp 16 displays the flood working state of the assembly machine, and when the leakage detection part 33, the vibration disc discharging detection part 13 and the workpiece existence detection part 14 detect that the assembly machine is in a leakage state, the discharging fault is caused, no workpiece exists or other faults occur in the assembly machine, the three-color lamp 16 is lighted in red to prompt a worker to maintain.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an alternator stud assembly machine, includes assembly support body (1), its characterized in that: a running water rack (2) is arranged above the assembling rack body (1), and a conveying chain line (3) for driving the product tray (34) to move forward is arranged on the running water rack (2); the product tray (34) is provided with a positioning part for positioning the product (4) to be assembled; the assembly frame body (1) is also provided with a tray jacking and positioning mechanism (36) for lifting the product tray (34); the tray jacking positioning mechanism (36) comprises a lower bottom plate fixedly connected with the assembly frame body (1), a jacking cylinder (39) and a left guide post (40) and a right guide post (40) for guiding the cylinder to stretch and retract are fixedly arranged on the lower bottom plate, an upper bottom plate is fixedly arranged at the top end of a piston rod of the jacking cylinder (39), and a positioning pin (41) matched with the product tray (34) for positioning is arranged at the upper end of the upper bottom plate; the assembling frame body (1) is provided with a vibrating disc (10) for vibrating and feeding the stud to be assembled, and the vibrating disc (10) is correspondingly connected with a stud positioning device (12) for transmitting and positioning the stud to be assembled; the assembling frame body (1) is further provided with a four-axis robot (31), an operation part is arranged on the four-axis robot (31), the operation part comprises a grabbing part (32) and a leakage detecting part (33), the grabbing part is used for grabbing to-be-assembled studs on the stud positioning device (12) and moving the to-be-assembled studs to the upper side of the to-be-assembled product (4) for assembly, the leakage detecting part is used for detecting whether to-be-assembled studs on the to-be-assembled product (4) are installed in a leakage mode, and a vibrating disc discharging detection part (13) is further arranged at the tail end of the stud positioning device (12); the assembly frame body (1) is also provided with a workpiece existence detection part (14); the assembly frame body (1) and the bottom of the water flowing machine frame (2) are respectively provided with an adjustable ground foot (5) fixed with the ground.

2. The alternator stud assembly machine of claim 1 wherein: the assembly frame body (1) and the running water frame (2) are arranged in a split mode, and the assembly frame body (1) is located below the running water frame (2); the assembly frame body (1) is provided with a telescopic limiting pile (37) which can limit the position of the product tray (34).

3. The alternator stud assembly machine of claim 2, wherein: the limiting piles (37) are provided with rollers (38) which are in contact with the end parts of the product trays (34).

4. The alternator stud assembly machine of claim 1 wherein: a stud conveying groove (11) is formed between the vibrating disc (10) and the stud positioning device (12), and the stud conveying groove (11) is perpendicular to the stud positioning device (12) which is adjacently arranged.

5. The alternator stud assembly machine of claim 1 wherein: and the product tray (34) is provided with an eyebolt (35).

6. The alternator stud assembly machine of claim 1 wherein: the assembly support body (1) periphery is equipped with fuselage protective assembly (15) that have the emergency exit, be equipped with lock safety switch (18) on the emergency exit, be equipped with tricolor lamp (16) and human-computer interface (17) on fuselage protective assembly (15), tricolor lamp (16), human-computer interface (17) all with four-axis robot (31) electricity is connected.

7. The alternator stud assembly machine of claim 1 wherein: the four-axis robot (31) is positioned on the assembly frame body (1) through a base (30).