CN217675501U - Drawer type sheet stock loading attachment - Google Patents

Abstract

A drawer type sheet material feeding device comprises a drawer type stock bin, a sucker module grabbing device, a positioning table, a control system, a base and a robot, wherein the drawer type stock bin is arranged on the base and used for accommodating a workpiece to be processed; the sucking disc module grabbing device is arranged on the base and used for sucking and shifting the workpiece in the drawer type storage bin to the positioning table; the positioning table is used for positioning the workpiece to be processed; and the control system controls the actions of the sucker module grabbing device and the robot. The utility model is suitable for an automatic feeding of sheet stock, it is less to take up an area of the space, satisfies more and prepares material, reduces artifical blowing frequency, improves production efficiency.

Description

Drawer type sheet stock loading attachment

Technical Field

The utility model relates to an automobile manufacturing technical field, in particular to drawer type sheet stock loading attachment that is used for the manual work to prepare material and robot automatic feeding's interaction process.

Background

With the development of automation in the automobile industry, automatic robot feeding gradually replaces manual feeding. In an automobile part welding line, because a large number of parts need to be welded, the parts are usually taken from a material frame by manpower and then placed on welding equipment, a large number of parts assembling and taking operators are needed in a factory, the workpieces are easy to place wrongly, and the production takt is slow; automatic feeding of present robot increases gradually, and the robot is placed the work piece accurate, and the production beat shortens greatly, nevertheless needs the artifical material and robot of getting of preparing material of multiple charging equipment cooperation, how to store a large amount of spare parts in the limited activity space of robot, makes things convenient for the artifical material and robot to snatch the material loading, is the problem of waiting to solve urgently.

Disclosure of Invention

In order to solve the defects existing in the prior art, the utility model aims to provide a drawer type sheet stock feeding device to solve the problems that the arrangement space is nervous, the position of a part is inconvenient, and a robot can grab the part.

In order to achieve the above object, the utility model provides a drawer type sheet material feeding device, which comprises a drawer type stock bin, a sucker module gripping device, a positioning table, a control system, a base and a robot, wherein,

the drawer type storage bin is arranged on the base and used for accommodating a workpiece to be machined;

the sucking disc module grabbing device is arranged on the base and used for sucking and shifting the workpiece in the drawer type storage bin to the positioning table;

the positioning table is used for positioning the workpiece to be processed;

and the control system controls the actions of the sucker module grabbing device and the robot.

Furthermore, the drawer type storage bin comprises a workpiece bearing assembly, a limiting assembly, a drawer falling-off prevention assembly, a cabinet body, a sliding rail assembly, a waste discharge slideway and a waste opening baffle plate, wherein,

the workpiece bearing assembly is arranged in the cabinet body through the sliding rail assembly;

the limiting assembly is used for positioning the working position of the workpiece bearing assembly;

the drawer falling-off prevention assembly is arranged below the workpiece bearing assembly and used for protecting the workpiece bearing assembly;

the waste discharge slideway is obliquely attached to the cabinet body and is communicated with a waste port arranged at the lower part of the cabinet body;

the waste material opening baffle covers the waste material opening.

Further, the workpiece bearing assembly comprises a drawer, a workpiece arranging tray, a limiting plate, a stop block and a pull ring, wherein,

the limiting plate is arranged in the workpiece placing tray;

the workpiece placing tray is arranged in the drawer;

the stop block is arranged at one end of the drawer and used for limiting the position of the drawer pushed into the cabinet body;

the pull ring is arranged in the middle of the edge of the drawer and used for accommodating the pull rod of the robot.

Furthermore, the limit component comprises a pin cylinder component, a fixed limit block, a first detection switch, a limit block with a pin hole and a connecting bracket, wherein,

the limiting block with the pin hole is arranged on one side of the drawer;

the pin-through air cylinder assembly is fixed on the cabinet body through the connecting bracket and is positioned at the same side with the limiting block with the pin hole;

the fixed limiting block and the first detection switch are arranged on the connecting support.

Further, prevent that the drawer drops subassembly includes, sets up supplementary rod, travel switch and the baffle of drawer below, supplementary rod figure is the even number, sets up respectively the both sides of drawer below, travel switch with the baffle sets up on the support of cabinet body one side.

Furthermore, one end of the drawer is also provided with a detection rod, and the same side edge of the cabinet body is provided with a second detection switch.

Furthermore, the sucker module gripping device comprises a horizontal moving module, a vertical moving module arranged above the horizontal moving module, and a sucker assembly, wherein,

the horizontal moving module is arranged on the base and is in the same direction with the drawer and the sliding rail assembly;

the sucker assembly is arranged on the vertical moving module.

Further, the positioning table comprises a base and a positioning disc; the positioning plate comprises a supporting positioning pin, a supporting limiting plate and a third detection switch.

Furthermore, the control system comprises a servo controller, an electromagnetic valve, a vacuum generator and a PLC.

The utility model discloses a drawer type sheet stock loading attachment compares with prior art and has following beneficial effect:

(1) The drawer-type device of the utility model is suitable for the automatic feeding of sheet materials, and the occupied space is smaller;

(2) The equipment is provided with a plurality of layers of drawers, sheet materials are placed in the drawers in a stacked mode, and a plurality of groups of stacked materials can be arranged according to the size of a workpiece, so that more prepared materials are met, the manual material discharging frequency is reduced, and the production efficiency is improved;

(3) The feeding method reasonably divides the manual operation area from the robot operation area, and is low in cost, high in efficiency and high in safety.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:

fig. 1 is a schematic view of a drawer type sheet feeding device according to the present invention;

fig. 2 is a perspective view of a drawer-type storage bin according to the present invention;

FIG. 3 is another perspective view of the drawer-type silo;

FIG. 4 is a schematic view of a spacing assembly;

FIG. 5 is yet another angular perspective view of the drawer-type bin;

FIG. 6 shows a schematic view of a suction cup module gripping device;

fig. 7 is a schematic view of a fine positioning stage.

Detailed Description

Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure.

The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.

It is noted that references to "a" or "an" or "the" in the present disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that references to "one or more" are intended to be exemplary and not limiting unless the context clearly indicates otherwise. "plurality" is to be understood as two or more.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Term(s)

Sheet stock: the parts are formed by stamping thin steel plates, and are combined and welded with other parts to form parts on an automobile body.

Fig. 1 is a schematic diagram of a drawer type sheet feeding device according to the present invention, as shown in fig. 1, the present invention discloses a drawer type sheet feeding device, which comprises a drawer type stock bin 1, a sucker module gripping device 2, a fine positioning table 3, a control system 4, a base 5, and a robot, and is used for matching with the robot to pull out and push in the drawer, so as to realize manual stacking outside a station and material taking and clamping in the robot station.

The drawer type storage bin 1 has the main functions of facilitating manual stacking and simultaneously playing a role in coarse positioning; the sucking disc module grabbing device 2 is mainly used for shifting a roughly positioned workpiece in the drawer type stock bin 1 to the fine positioning table 3 below, so that a robot can conveniently and accurately grab the workpiece and place the workpiece into a clamp; the control system 4 comprises a servo controller, an electromagnetic valve, a vacuum generator and a PLC and is used for controlling the actions of the sucker module group grabbing device 2 and the robot; the base 5 is used for fixing the drawer type bin 1 and the sucker module grabbing device 2.

The robot side and the manual side are shown in fig. 1, where the worker stands on the side of the drawer with the handle facing the cabinet load, and the other side of the drawer is the robot operating side. Therefore, the cabinet body separates a worker from a robot work area, and safety is guaranteed.

Fig. 2 is according to the utility model discloses a drawer type feed bin perspective, fig. 3 is another angle perspective of drawer type feed bin, the utility model discloses a total three gear of every drawer stop position in drawer type feed bin 1 is that people frock spare gear, feed bin store the gear, the sucking disc module snatchs the gear respectively.

Referring to fig. 2 and 3, the drawer type storage bin 1 includes a workpiece carrying assembly, a limiting assembly, a drawer falling prevention assembly, a cabinet 13, a sliding rail assembly 14, a waste discharge chute 15, and a waste opening baffle 16.

The work load bearing assembly includes a drawer 101, a work seating tray 102, a coarse restriction plate (not shown) installed in the work seating tray 102 for controlling the position of each laminated sheet, a stopper 103, and a pull ring 104, wherein the work seating tray 102 is installed in the drawer 101. The drawer 101 is connected to the cabinet 13 by a rail assembly 14, and the drawer 101 can reciprocate along the rail assembly 14. A plurality of drawers 101 may be disposed in the cabinet 13 according to the number of workpieces. The stopper 103 is disposed at one end of the right side of the drawer 101 close to the robot side, and is used for limiting the drawer 101 to be manually pushed into the cabinet body 13. A pull ring 104 is provided at a middle position of an edge of the drawer near the robot side for accommodating the pull rod of the robot so as to push and pull the drawer 101 by pulling of the pull rod of the robot.

Fig. 4 is a schematic diagram of a limiting assembly, and as shown in fig. 4, the limiting assembly includes a pin cylinder assembly 111, a fixed limiting block 112, a detection switch 113, a limiting block 114 with a pin hole, and a connecting bracket 115, the limiting block 114 with the pin hole is disposed at one side of the drawer 101, and moves together with the drawer 101, and is used for positioning the drawer 101 when the suction cup module gripping device 2 takes a material. The pin-through cylinder assembly 111 is fixed on the cabinet 13 through a connecting bracket 115 from the robot side, is located at the same side as the limiting block 114 with the pin hole, and is used for limiting the drawer 101 manually pushed into the cabinet 13 and locking the drawer 101 pulled out by the robot together with the fixed limiting block 112 and the detection switch 113. The fixed stopper 112 and the detection switch 113 are disposed on the connection bracket 115. The detection switch 113 may be, for example, a proximity switch.

A detection rod 105 is further disposed at one end of the drawer 101 close to the robot side, as shown in fig. 5, and a detection switch 106 is disposed on a corresponding edge of the cabinet 13 close to the robot side for determining whether the drawer 101 is inside the cabinet 13 by detecting the detection rod 105, wherein the detection switch 106 may be a proximity switch, for example. Specifically, after the drawer 101 is filled with the workpiece manually, the drawer 101 is pushed into the cabinet 13, the pin of the pin-through cylinder assembly 111 blocks the stopper 103, the detection switch 106 detects the detection rod 105, it is determined that the drawer 101 is in the cabinet 13, and the material preparation is completed manually; after the robot pulls out the drawer 101 through the pull ring 104, the fixed limit block 112 blocks the limit block 114 with the pin hole to pull out the drawer 101 for limiting, the pin cylinder assembly 111 is conveniently inserted with a pin, the detection switch 113 detects the limit block 114 with the pin hole, and the drawer 101 is determined to be in a grabbing gear position of the sucker module.

The drawer falling-off preventing assembly comprises auxiliary rods 121, a travel switch 122 and a baffle 123, wherein the auxiliary rods 121 are arranged below the drawer 101, the number of the auxiliary rods 121 is even, the auxiliary rods are respectively arranged on two sides below the drawer 101, and the drawer 101 is prevented from falling off after being separated from a sliding rail. The travel switch 122 and the baffle 123 are disposed on a bracket on one side of the cabinet 13, and when the drawer 101 slides to the robot side away from the slide rail, the travel switch 122 is touched and intercepted by the baffle 123.

Waste material discharge slide 15 slope sets up between cabinet body 13 and smart locating platform 3, and the material spare can drop into waste material discharge slide 15 after the material failure is got to sucking disc module grabbing device 2, and the workman opens the waste material mouth that waste material mouth baffle 16 set up below the cabinet body and takes out the waste material.

Fig. 6 shows a schematic diagram of the sucker module gripping device, the sucker module gripping device 2 comprises a horizontal moving module 21, a vertical moving module 22 and a sucker assembly 23, wherein the horizontal moving module 21 is installed on the base 5 and is in the same direction with the drawer slide rail; a vertical moving module 22 is arranged above the horizontal moving module 21, and a suction cup assembly 23 for sucking the workpiece is arranged on the vertical moving module 22. The horizontal moving module 21 and the vertical moving module 22 may be commercially available linear moving modules. The sucking disc subassembly 23 can be set up according to the needs of waiting to absorb work piece size and number, and in this embodiment, sucking disc subassembly 23 sets up to can absorb 4 work pieces simultaneously.

Fig. 7 is a schematic diagram of a fine positioning table, which is a fine positioning table 3, including a base 31 and a positioning plate 32, where the number of groups of the positioning plate 31 corresponds to the maximum number of workpieces that can be sucked by the suction cup assembly 23 at a time, which is 4 in this embodiment, and each group of the positioning plate includes a supporting positioning pin, a supporting limiting plate, and a detection switch (e.g., a proximity switch) to adapt to the placement of the suction cup. The specific arrangement of the supporting positioning pin, the supporting limiting plate and the detection switch can be set according to the shape of the sheet stock.

The following further describes the drawer type sheet feeding device in combination with the working process of the drawer type sheet feeding device.

First, the device is in an initial state, in which there is no workpiece in the device, the drawer 101 is in the cabinet 13, the pin of the pin-through cylinder assembly 111 is extended, the suction cup assembly 23 is waiting above the cabinet 13, and the detection switch 106 has a signal.

Manual emptying: the drawer 101 is pulled out manually, the detection switch 106 has no signal, and the sheet stock is put into the workpiece setting tray 102 of the drawer 101 in a stacking manner; the drawer 101 is manually fed into the cabinet 13, and the stop block 103 contacts the pin of the pin-through cylinder assembly 111, so that the drawer 101 cannot be pushed to the workpiece taking station and only can be in the cabinet 13. Manually pressing the button will signal the detection switch 106 that the PLC workpiece is in place.

The robot drives the drawer to extend: after the workpiece is in place, the PLC sends out an instruction, the pin of the pin penetrating cylinder assembly 111 retracts, then the robot is driven to hook the pull ring 104 by using the pull rod, and the drawer 101 is pulled out of the cabinet body 13 to a sucking disc module grabbing gear; a detection switch 113 beside the pin penetrating cylinder assembly 111 detects a stopper 114 with a pin hole, the cylinder extends to send the pin into the pin hole, and the drawer 101 is locked.

The sucking disc module grabbing device acts: the horizontal moving module 21 and the vertical moving module 22 drive the sucker assembly 23 to take out the workpiece from the drawer 101 onto the fine positioning table 3, and a detection switch on the table has a signal.

The robot grabs the workpiece: the robot grabs the workpiece from the fine positioning table 3 to the fixture, and a detection switch of the corresponding workpiece on the table has no signal.

And after all the workpieces on the fine positioning table 3 are taken out, the sucker again grabs and sends the workpieces into the fine positioning table, and the process is repeated.

After the drawer workpiece is taken out, the pin of the pin penetrating cylinder assembly 111 retracts, the drawer 101 is unlocked, the robot sends the drawer 101 into the cabinet body 13, the detection switch 113 beside the pin penetrating cylinder assembly 111 is not provided with a signal, the detection switch 106 is provided with a signal, the pin of the pin penetrating cylinder assembly 111 extends out, the PLC is informed that the material is short, the material stacking is manually prepared, and the next cycle is started.

Compare with artifical material loading, the utility model discloses a drawer type sheet stock loading attachment and robot cooperation have improved the productivity greatly, have reduced the work piece and have placed the error rate, store a large amount of spare parts in the limited activity space of robot, make things convenient for the manual work to prepare material and the robot snatchs the material loading, reduce the manual work frequency of prepareeing material, improve production efficiency.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A drawer type sheet material feeding device is characterized by comprising a drawer type stock bin, a sucker module grabbing device, a positioning table, a control system, a base and a robot, wherein,

the drawer type storage bin is arranged on the base and used for accommodating a workpiece to be machined;

the sucking disc module grabbing device is arranged on the base and is used for sucking and shifting a workpiece in the drawer type storage bin to the positioning table;

the positioning table is used for positioning the workpiece to be processed;

and the control system controls the actions of the sucker module grabbing device and the robot.

2. The drawer-type sheet feeding device according to claim 1, wherein the drawer-type bin comprises a workpiece carrying assembly, a limiting assembly, a drawer falling prevention assembly, a cabinet body, a slide rail assembly, a waste discharge chute, and a waste port baffle, wherein,

the workpiece bearing assembly is arranged in the cabinet body through the sliding rail assembly;

the limiting assembly is used for positioning the working position of the workpiece bearing assembly;

the drawer falling-off prevention assembly is arranged below the workpiece bearing assembly and used for protecting the workpiece bearing assembly;

the waste discharge slideway is obliquely attached to the cabinet body and is communicated with a waste port arranged at the lower part of the cabinet body;

the waste material opening baffle covers the waste material opening.

3. The drawer-type sheet feeding apparatus as claimed in claim 2, wherein said work carrying assembly comprises a drawer, a work mounting tray, a limiting plate, a stopper, and a pull ring, wherein,

the limiting plate is arranged in the workpiece placing tray;

the workpiece placing tray is arranged in the drawer;

the stop block is arranged at one end of the drawer and limits the position of the drawer pushed into the cabinet body;

the pull ring is arranged in the middle of the edge of the drawer and used for accommodating the pull rod of the robot.

4. The drawer type sheet feeding device according to claim 2, wherein said limiting assembly comprises a pin-through cylinder assembly, a fixed limiting block and a first detecting switch, a limiting block with a pin hole, and a connecting bracket, wherein,

the limiting block with the pin hole is arranged on one side of the drawer;

the pin-through air cylinder assembly is fixed on the cabinet body through the connecting bracket and is positioned at the same side with the limiting block with the pin hole;

the fixed limiting block and the first detection switch are arranged on the connecting support.

5. The drawer type sheet feeding device according to claim 2, wherein said drawer falling prevention assembly comprises auxiliary rods, a travel switch and a baffle plate, wherein said auxiliary rods are arranged below said drawer, the number of said auxiliary rods is even, said auxiliary rods are respectively arranged at two sides below said drawer, and said travel switch and said baffle plate are arranged on a bracket at one side of said cabinet body.

6. A drawer sheet feeder according to any one of claims 2-5, wherein a detection lever is provided at one end of the drawer and a second detection switch is provided at the same side edge of the cabinet.

7. The drawer sheet feeder of claim 2, wherein said suction cup module gripping device comprises a horizontal movement module, a vertical movement module disposed above said horizontal movement module, a suction cup assembly, wherein,

the horizontal moving module is arranged on the base and is in the same direction with the drawer and the sliding rail assembly;

and the sucker component is arranged on the vertical moving module.

8. The drawer sheet feeder of claim 1, wherein the positioning table comprises a base and a positioning plate; the positioning plate comprises a supporting positioning pin, a supporting limiting plate and a third detection switch.

9. The drawer sheet feeder of claim 1, wherein the control system comprises a servo controller, a solenoid valve, a vacuum generator and a PLC.

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