CN212552410U - Automatic workpiece feeding production line - Google Patents

Abstract

The utility model relates to a vehicle manufacturing technology field discloses an automatic production line of going up. The automatic loading production line comprises an automatic loading unit (1) and a processing unit (2); wherein the automatic loading unit (1) comprises a storage position (11) for storing workpieces, and a first robot (12) for grabbing the workpieces from the storage position (11) and placing the grabbed workpieces into a working position (21); the automatic loading production line comprises clamps for fixing workpieces, and the machining unit (2) comprises a work station (21) for providing a machining place for the workpieces and a clamp library (22) for parking the clamps of different specifications. Through automatic loading, change anchor clamps according to the specification of work piece, very big improvement work efficiency, reduced equipment cost and workman's intensity of labour.

Description

Automatic workpiece feeding production line

Technical Field

The utility model relates to a vehicle manufacturing technology field specifically relates to an automatic piece production line of going up.

Background

At present, in the field of automobile production and manufacturing, an automobile side wall production line body generally adopts a manual loading mode, and an automobile side wall is taken from a material box by a plurality of persons or by a lifting tool and then fixed on a clamp under the assistance of manpower so as to be fixed on a working position; moreover, at present, the production line often only produces a kind of motorcycle type, can't lead into a different motorcycle type. At present, people have higher and higher requirements on vehicles and more vehicle types, so that the requirements of the times are met, a production line is urgently needed, the production line can be suitable for various different vehicle types, and in addition, when different vehicle types are produced, the purpose can be achieved only by simply switching certain production units in the production line.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the car side wall that prior art exists need be manual to be gone up, providing a production line, utilizing this production line can be applicable to multiple different motorcycle types, is automatic to go up moreover, very big improvement production efficiency, reduced workman's intensity of labour.

In order to achieve the above object, an aspect of the present invention provides an automatic loading production line, which includes an automatic loading unit and a processing unit; the automatic loading unit comprises a storage position for storing workpieces, and a first robot for grabbing the workpieces from the storage position and placing the grabbed workpieces into a working position; the automatic workpiece feeding production line comprises a fixture for fixing a workpiece, and the processing unit comprises a work position for providing a processing place for the workpiece and a fixture library for parking the fixtures of different specifications.

Further, a plurality of the magazine positions are arranged in a row along a first direction, and the automatic part feeding unit includes a first rail extending along the first direction; the first robot is mounted on the first rail and runs along the extending direction of the first rail.

Further, the first robot comprises a robot main body and a hand grip detachably connected to the robot main body, and the hand grip comprises multiple specifications.

Further, the clamp storehouse is including setting up in the upper portion of clamp storehouse, be used for depositing the tongs storage bit of tongs.

Further, the first robot comprises a control system for controlling the operation of the robot main body and a vision system for finding the workpiece, and the vision system collects and transmits information of the workpiece to the control system and indicates the gripper to act through the control system.

Further, the automatic workpiece loading production line comprises a second rail extending along a second direction perpendicular to the first direction, and a second robot mounted on the second rail and running along the extending direction of the second rail and used for transporting the workpiece away from the work position.

Further, the gripper library comprises gripper storage locations, the first rail and the second rail are located in a first plane, and the gripper storage locations and the working locations are located in a first plane defined by the first rail and the second rail.

Further, the fixture warehouse and the working position are located on the same side of the second rail, and the working position is located between the automatic part feeding unit and the fixture warehouse.

Further, the automatic loading production line comprises a driving unit for moving the clamp, and a switching control unit for automatically replacing the clamp on the working position according to the specification of the workpiece grabbed by the first robot; the switching control unit is electrically connected with the first robot and the driving unit respectively.

Further, the automatic loading line includes at least one second rail and a plurality of processing units arranged in pairs on both sides of each second rail.

Through above-mentioned technical scheme, through automatic piece of going up, change anchor clamps according to the specification of work piece, very big improvement work efficiency, reduced equipment cost and workman's intensity of labour.

Drawings

FIG. 1 is a schematic view of an automatic part loading line according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the initial positional relationship of the gripper of FIG. 1 and the gripper storage and work positions.

Description of the reference numerals

1-automatic loading unit; 2-a processing unit; 21-a working position; 22-a jig library; 11-reservoir location; 12-a first robot; 221-the gripper stores the bit; 222-grip storage bit; 13-a first track; 3-a second track; 4-a second robot.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, when the description is not made to the contrary, the use of the directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right in actual use; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1, the utility model provides an automatic loading production line, which comprises an automatic loading unit 1 and a processing unit 2; the automatic loading unit 1 is used for automatically sending the automobile side body into the processing unit 2 to replace the traditional manual loading, wherein the automatic loading unit 1 comprises a storage position 11 for storing workpieces, and a first robot 12 for grabbing the workpieces from the storage position 11 and placing the grabbed workpieces into a working position 21; the first robot 12 takes out the workpiece in the storage 11 by using the hand, and then moves the workpiece to a set position along the first track 13, then the hand of the first robot 12 and the workpiece move along the circumference under the control of the first robot 12, and the workpiece is placed on the working position 21, so that the automatic transmission of the automobile side body from the storage 11 to the working position 21 is realized; the automatic loading production line comprises fixtures for fixing workpieces, and the processing unit 2 comprises a work station 21 for providing a processing place for the workpieces and a fixture library 22 for parking the fixtures of different specifications.

Through automatic loading and the replacement of the clamp according to the specification of the workpiece, the working efficiency is greatly improved, and the equipment cost and the labor intensity of workers are reduced.

Wherein a plurality of magazine positions 11 are arranged in a row along a first direction, and the automatic part feeding unit 1 includes a first rail 13 extending along the first direction; the first robot 12 is mounted on the first rail 13 and runs along the extending direction of the first rail 13. In this way, by arranging the plurality of garage positions 11 in a row, the first robot 12 is used for grabbing workpieces such as automobile side walls as required, and the access time is greatly saved compared with the mode of placing the automobile side walls in a three-dimensional garage. Because in this way the access takes place mainly in the horizontal direction when accessing the work pieces, the access time is reduced to a great extent. When the workpiece is positioned in the three-dimensional warehouse, the workpiece is usually required to move in a large range in the horizontal direction and the up-down direction, and the workpiece taking time is long.

Preferably, the garage position 11 comprises a bracket for placing the automobile side walls, the bracket comprises a plurality of clamping grooves which are arranged at intervals and are positioned in the same horizontal plane, and each clamping groove can be correspondingly placed with one automobile side wall; each automobile side wall is vertically clamped in the corresponding clamping groove, so that more automobile side walls can be arranged in a smaller plane.

Preferably, an AGV cart equipped with an automatic guide device such as an electromagnetic or optical device, which can travel along a predetermined guide path and has safety protection and various transfer functions, is used to store the work in the storage 11, thereby greatly increasing the storage speed. The AGV dolly transports the car side wall to storehouse position 11 from other places to leave the car side wall in above-mentioned draw-in groove, realize automatic the depositing.

Preferably, the first robot 12 includes a robot body and a gripper detachably attached to the robot body, and the gripper includes a plurality of specifications. The first robot 12 automatically changes the gripper of a different specification according to the specification of the workpiece to be gripped by the first robot 12. For example, when it is necessary to grasp a workpiece, the first robot 12 automatically removes a gripper that does not match the workpiece from the robot main body and places it in a designated position, and then selects and mounts the gripper that matches the workpiece onto the robot main body. Through changing different tongs, utilize the tongs of different specifications to grab the work piece of different specifications, can realize grabbing different work pieces from storehouse position 11, and then realize that a production line can produce the work piece of multiple specification.

Preferably, the gripper magazine 22 includes a gripper storage location 222 disposed at an upper portion of the gripper magazine for storing the gripper. In one embodiment shown in fig. 1, according to the feature that the gripper of the first robot 12 is located at the upper part of the work station 21, the gripper is placed in the gripper storage location 221 at the lower part of the gripper library 22, and the gripper is placed in the gripper storage location 222 at the upper part of the gripper library 22, so that the operation time of the gripper in the vertical direction is reduced during switching, and the operation time of the gripper in the vertical direction is also reduced during switching, thereby improving the space utilization rate, facilitating the access of the gripper and the gripper, and greatly improving the work efficiency.

Preferably, the first robot 12 comprises a control system for controlling the operation of the robot body and a vision system for finding the workpiece, which collects and transmits information of the workpiece to the control system and instructs the gripper motion through the control system. The target workpiece is quickly and accurately found by using the vision system, and the control system is used for receiving signals transmitted by the vision system and controlling the gripper to move, so that the workpiece can be quickly and accurately gripped from the storage 11.

Preferably, the automatic workpiece feeding line comprises a second rail 3 extending in a second direction perpendicular to the first direction and a second robot 4 mounted on the second rail 3 and running in the extending direction of the second rail 3 for carrying the workpiece away from the work site 21.

After the workpiece is machined in the working position 21, it is automatically transported to the next process by the second robot 4. Wherein, the second robot 4 adopts the same gripper as the first robot 12 to grab the workpieces with the same specification.

Preferably, the gripper library 22 comprises a gripper storage location 221, the first track 13 and the second track 3 lie in a first plane, and the gripper storage location 221 and the working location 21 lie in a first plane defined by the first track 13 and the second track 3. With the arrangement, the first robot 12 takes the workpiece from the storage position 11 and then places the workpiece on the working position 21, the clamp is switched from the working position 21 to the clamp storage position 221, and the clamp is switched from the clamp storage position 221 to the working position 21, all of which mainly take the translation in the first plane as the main action, so that the movement in other directions is reduced as much as possible, the time is saved, and the working efficiency is improved.

Preferably, the fixture magazine 22 and the work station 21 are located on the same side of the second rail 3, and the work station 21 is located between the automatic part feeding unit 1 and the fixture magazine 22. Therefore, the distance between the clamp storage position 221 and the working position 21 is reduced as much as possible, the switching distance of the clamp between the working position 21 and the clamp storage position 221 is reduced, and the time is saved.

Preferably, the automatic loading line comprises a driving unit for moving the clamp, a switching control unit for automatically replacing the clamp on the working position 21 according to the specification of the workpiece grasped by the first robot 12; the switching control unit is electrically connected to the first robot 12 and the driving unit, respectively. In this way, the gripper can be switched between the work station 21 and the gripper storage position 221 at the same time when the first robot 12 grips the workpiece from the magazine 11, which avoids or shortens the waiting time for the gripper to wait until the gripper has not yet run to the work station 21 after the first robot 12 grips the workpiece from the magazine 11, or until the gripper has not yet run to the work station 21 after the gripper has been switched between the gripper storage position 221 and the work station 21.

Preferably, said automatic loading line comprises at least one of said second tracks and a plurality of said processing units 2 arranged in pairs on either side of each of said second tracks 3. By the arrangement, one production line can produce workpieces of any specifications as required, and the site allows the production.

Preferably, the automatic loading production line further comprises a safety protection device, wherein the safety protection device comprises an electronic fence, the electronic fence is arranged on one side of the working position 21, which is far away from the second rail 3, and extends from the loading unit 1 to the clamp warehouse 22 to prevent personnel from entering the clamping warehouse during normal working, so that unnecessary casualty accidents are avoided.

Preferably, the automatic loading line comprises a plurality of pairs of processing units 2 arranged symmetrically along the extension direction of one of the second rails to perform different processing processes. In one embodiment, as shown in fig. 1, the automatic loading line comprises two pairs of processing units 2 arranged along the length extension of the second rail 3, wherein a pair of processing units 2 adjacent to the loading unit 1 is used for welding; a pair of processing units 2 remote from the upper unit 1 are used to mount other components to the workpiece.

Preferably, the automatic loading line comprises a lifting device arranged above an end of the second rail 3 facing away from the loading unit 1 and a third rail for the operation of the lifting device. And transporting the processed workpiece to a designated place through the hoisting equipment. By the arrangement, the space is fully utilized, and the area of a factory building can be reduced.

The operation of an automatic loading line according to an embodiment shown in fig. 1 is described below, wherein the automatic loading line comprises a second rail 3 and two processing units 2 symmetrically arranged along the second rail 3; the workpiece to be processed is the left and right automobile side walls of the automobile, the working position 21 is set as a welding position, the automobile side walls are welded at the working position 21, and the production line can enable the left and right side walls of three automobile types to be produced in a collinear mode.

Firstly, introducing an automobile side wall into a storage position 11 through an AGV trolley; the 4 storage positions 11 are arranged along the length extending direction of the first rail 13, the extending direction of the second rail 3 is perpendicular to the extending direction of the first rail 13, and the 4 storage positions 11 are symmetrically arranged along the second rail 3; the first robot 12 rides on the first rail 13, and according to different vehicle types needing to be welded, the first robot 12 receives an instruction, switches the hand grips of the first robot 12, grips the side enclosure of the automobile from the storage position 11 and sends the side enclosure of the automobile to the working position 21; the gripper switches between the work station 21 and the gripper storage station 221 simultaneously. When the correct clamp reaches the working position 21, the automobile side wall grabbed by the first robot 12 falls onto the clamp, and then the worker puts the rest parts of the working position together onto the working position 21 and is clamped by the clamp. Then, utilize welding robot to weld, wherein, welding robot can adopt many, and every welding robot can set up in the position of difference according to the welded needs, and a plurality of welding robots can set up in the first plane, also can set up in the arbitrary position in the sky on first plane, and perhaps, partly welding robot sets up in the first plane, and partly welding robot sets up in the arbitrary position in the sky on first plane. After the welding robot finishes welding the automobile side wall, the second robot 4 running on the second track 3 transports the welded automobile side wall to the next processing unit 2 far away from the upper unit 1. The gripper of the second robot 4 is synchronous with the welding of the automobile side wall when switching, when the welding of the automobile side wall is finished, the gripper of the second robot 4 is also switched, and then the welded automobile side wall is sent to the next processing unit 2 along the second track 3 by the second robot 4, so that the working efficiency is further improved. After the other parts are mounted on the vehicle side panel in the processing unit 2, the vehicle side panel is transported to a predetermined place by a crane provided above one end of the second rail 3 facing away from the upper unit 1.

In order to adapt to the requirements of three vehicle types, the clamp needs to have three types: a clamp, B clamp and C clamp; the switching of the three grippers between gripper storage position 221 and working position 21 is achieved by: as shown in fig. 2, the positions of the three grippers at this time are set to the initial state, and the gripper storage bits 221 include 1# bit, 2# bit, 3# bit, 4# bit, and 5# bit; at this point, the a clamp is in the working position 21; the clamp B is in a 3# position; the C clamp is in the 4# position.

When the B clamp needs to be replaced to the working position 21, the B clamp is displaced from the 3# position to the 2# position along the first direction; then, the A clamp is moved from the working position 21 to the 5# position through the 1# position along the second direction and stays at the position; then the B clamp passes through the 1# bit from the 2# bit along the first direction; then the B clamp moves to the working position 21 along the second direction, and the switching between the B clamp and the A clamp is realized.

When the C clamp needs to be replaced to the working position 21, the C clamp is displaced from the 4# position to the 5# position along the first direction; then, the C clamp is shifted from the 5# position to the 1# position along the second direction; the C clamp is then shifted from the 1# position to the 2# position along the first direction.

Then the A clamp is moved from the working position 21 to the 5# position through the 1# position along the second direction and stays at the position; then the C clamp is displaced from the 2# position to the 1# position along the first direction; then the C clamp moves to the working position 21 along the second direction, and the switching between the C clamp and the A clamp is realized.

By adopting the method, the switching time of the clamp between the clamp storage position 221 and the working position 21 can be shortened to be within 1 minute, and by adopting the production line, the collinear production of multiple vehicle types can be met, the non-value-added time is reduced, and the benefit is improved for automobile production.

Of course, as long as there is enough space, more jig storage locations 221 may be provided in the jig magazine 22 according to various vehicle models in order to accommodate more vehicle models.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (10)

1. An automatic loading production line is characterized by comprising an automatic loading unit (1) and a processing unit (2); wherein the content of the first and second substances,

the automatic loading unit (1) comprises a storage position (11) for storing workpieces, and a first robot (12) for grabbing the workpieces from the storage position (11) and placing the grabbed workpieces into a working position (21);

the automatic loading production line comprises clamps for fixing workpieces, and the machining unit (2) comprises a work station (21) for providing a machining place for the workpieces and a clamp library (22) for parking the clamps of different specifications.

2. The automatic loading line according to claim 1, characterized in that a plurality of said seats (11) are arranged in a row along a first direction, said automatic loading unit (1) comprising a first track (13) extending along said first direction; the first robot (12) is mounted on the first rail (13) and runs along the extending direction of the first rail (13).

3. The automated piece feeding line according to claim 2, wherein the first robot (12) comprises a robot body and a plurality of different sized grippers removably attached to the robot body, and wherein the grippers comprise a plurality of sizes.

4. The automated feeding line according to claim 3, wherein the gripper magazine (22) comprises a gripper storage location (222) arranged at an upper portion of the gripper magazine for storing the gripper.

5. The automatic feeding line according to claim 3, characterized in that said first robot (12) comprises a control system for controlling the operation of said robot body and a vision system for finding the workpiece, said vision system acquiring and transmitting information of the workpiece to said control system and indicating said gripper action by said control system.

6. The automatic loading line according to claim 5, characterized in that it comprises a second rail (3) extending in a second direction perpendicular to the first direction and a second robot (4) mounted on the second rail (3) and running in the direction of extension of the second rail (3) for transporting a workpiece away from the work place (21).

7. The automatic loading line according to claim 6, characterized in that said magazine (22) comprises a gripper storage location (221), said first track (13) and said second track (3) lying in a first plane, said gripper storage location (221) and said work location (21) lying in a first plane defined by said first track (13) and said second track (3).

8. The automatic feeding line according to claim 7, characterized in that said magazine (22) and said work station (21) are located on the same side of said second track (3), and said work station (21) is located between said automatic feeding unit (1) and said magazine (22).

9. The automatic loading line according to claim 8, characterized in that it comprises a drive unit for moving said gripper, a switching control unit for automatically replacing said gripper on said work station (21) according to the specifications of the workpiece grasped by said first robot (12); the switching control unit is electrically connected with the first robot (12) and the driving unit respectively.

10. The automatic feeding line according to any one of claims 6 to 9, characterized in that it comprises at least one of said second tracks and a plurality of said processing units (2) arranged in pairs on either side of each of said second tracks (3).

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