CN216227659U

CN216227659U - Positioning structure of quick-change trolley of robot workstation

Info

Publication number: CN216227659U
Application number: CN202122689325.3U
Authority: CN
Inventors: 鲍晓洁
Original assignee: Changshu Aotemei Machinery Automation Equipment Co ltd
Current assignee: Changshu Aotemei Machinery Automation Equipment Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-08
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a quick change trolley positioning structure of a robot workstation, which relates to the technical field of mechanical automation processing, wherein a trolley position groove for storing a quick change trolley is formed in the right end of the robot workstation, the quick change trolley is arranged in the trolley position groove, a clamp bottom plate is installed at the top of the quick change trolley, rollers are rotatably connected to the four ends of the bottom of the quick change trolley, jacking structures for jacking the quick change trolley are connected to two sides of the trolley position groove of the robot workstation, and the jacking structures are connected with a guide limiting structure for horizontal guide limiting; through the mode, the quick-change trolley is accurately and unmistakably limited at the fixed position, so that welding spot deviation even gun collision caused by the fact that the clamp cannot be installed at the fixed position is prevented, the welding processing accuracy is guaranteed, and the product quality is improved.

Description

Positioning structure of quick-change trolley of robot workstation

Technical Field

The utility model relates to the technical field of mechanical automatic processing, in particular to a positioning structure for a quick-change trolley of a robot workstation.

Background

In the mechanical welding processing technology, a clamped workpiece clamp is required to be placed on a workstation for processing, then a robot on the workstation processes a workpiece, but the type of a product produced by the workstation is customized according to the requirements of the clamp and a customer, the clamp is required to be frequently switched to enable the robot to move when different products are produced, and the robot is not idled, so that the benefit is maximum;

the existing clamp is arranged at a workstation and is positioned through a fixed positioning pin, a screw is screwed down, and the clamp is lifted by a crane to be aligned with a hole during assembly at each time, so that the clamp is very inconvenient.

Therefore, a positioning structure for a quick-change trolley of a robot workstation is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning structure for a quick-change trolley of a robot workstation, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a quick change dolly location structure of robot workstation, includes robot workstation, quick change dolly and anchor clamps bottom plate, the little position recess that is used for the quick change dolly to deposit is offered to robot workstation right-hand member, there is the quick change dolly in the little position recess, the anchor clamps bottom plate is installed at the top of quick change dolly, the bottom four-end department of quick change dolly rotates and is connected with the gyro wheel, robot workstation is connected with the jacking structure that is used for the jacking of quick change dolly in little position recess both sides, the jacking structural connection has the spacing direction limit structure that is used for horizontal direction, robot workstation is provided with the position response structure that is used for quick change dolly position response in the left end department symmetry of little position recess, robot workstation offers the braking structure that is used for the spacing braking of quick change dolly in the left side department of little position recess.

Furthermore, the jacking structure comprises a support frame, a U-shaped block, a first guide wheel and a wedge block quick-change trolley, the support frame is symmetrically and fixedly installed at the front and rear tops of the right end of the robot workstation, the U-shaped block is symmetrically and fixedly connected to the top of the support frame, the U-shaped block is rotatably connected with the first guide wheel through a bearing fixedly connected with the U-shaped block, and the wedge block is symmetrically and fixedly connected to the bottom of the quick-change trolley and matched with the first guide wheel for use.

Furthermore, when the quick-change trolley moves, the inclined side surface of the wedge block is in contact with the first guide wheel firstly, and the plane of the wedge block is in contact with the top of the first guide wheel in a fitting manner after the quick-change trolley is fixed.

Further, direction limit structure includes second wedge, diaphragm and second leading wheel, the inner wall fixedly connected with diaphragm of support frame, the even fixedly connected with second leading wheel of bearing through fixed connection is passed through at the top of diaphragm, the stand outer wall fixedly connected with of quick change dolly and the second wedge that the second leading wheel cooperation was used, the inclined plane and the first contact of second leading wheel of second wedge when quick change dolly removed, and the fixed back second leading wheel of quick change dolly and the contact of laminating of second wedge plane.

Furthermore, the position sensing structure comprises a positioning sensor and an L-shaped supporting seat, and the side wall of the L-shaped supporting seat is fixedly connected with the positioning sensor.

Furthermore, the L-shaped supporting seat is fixedly installed at the top of the robot workstation, and the L-shaped supporting seat is provided with the top of the left side of the small parking space groove.

Furthermore, the braking structure includes supporting seat, cylinder, location backing plate, square vice locating frame, main holding ring and locating pin, the right-hand member fixedly connected with cylinder of supporting seat, the output fixedly connected with locating pin of cylinder, the lateral wall of locating pin and the quad slit lateral wall of square vice locating frame and the round hole lateral wall laminating sliding connection of main holding ring, square vice locating frame and main holding ring are fixed mounting respectively at the top fixed connection of location backing plate, location backing plate symmetry fixed mounting is at the lower extreme square frame top of quick change dolly.

Furthermore, after the quick-change trolley is attached to and contacted with the positioning sensor, the positioning sensor senses a required numerical value, and the air cylinder pushes the positioning pin to be inserted into the square hole of the square auxiliary positioning frame and the round hole of the main positioning ring.

The utility model has the beneficial effects that:

the utility model moves the quick-change trolley into the small parking space groove after the quick-change trolley is arranged in the small parking space groove of the robot workstation, the quick-change trolley drives the second wedge block of the guide limiting structure to be in contact with the second guide wheel, a plurality of groups of second guide wheels carry out righting guide treatment on the second wedge block, the quick-change trolley is convenient to stably move in the small parking space groove, then the quick-change trolley drives the quick-change trolley of the jacking structure to move, the quick-change trolley drives the wedge block to move to the first guide wheel, the first guide wheel jacks the quick-change trolley after the inclined surface of the wedge block is in contact with the first guide wheel, the quick-change trolley is jacked, the ground under the quick-change trolley position is prevented from interfering the height position of the clamp due to welding slag or other reasons, welding spots are deviated, the welding quality is influenced, then the quick-change trolley is in contact with the positioning sensors of the position sensing structure, and the two groups of positioning sensors simultaneously sense the position to determine the position, the quick-change trolley is effectively prevented from being obliquely installed and mistakenly collided by workers, the position of the quick-change trolley is conveniently and accurately determined, when the positioning sensor senses a required numerical value, the air cylinder pushes the positioning pin to be inserted into the square hole of the square auxiliary positioning frame and the round hole of the main positioning ring, the positioning pin is matched with the square auxiliary positioning frame and the main positioning ring to fix and limit the positioning backing plate, the positioning backing plate is fixed and limited to the quick-change trolley, the quick-change trolley is prevented from being displaced due to the vibration of a robot workstation, the quick-change trolley is accurately and accurately limited at a fixed position, the phenomenon that welding spots are deviated or even hit due to the fact that the clamp cannot be installed at the right position is avoided, the accuracy of welding processing is guaranteed, and the product quality is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a bottom view of the structure of the present invention;

FIG. 4 is a right side view of the structure of the present invention;

FIG. 5 is a schematic structural view of the square secondary positioning frame and the primary positioning ring of the present invention when they are not installed;

FIG. 6 is a schematic view of a positioning pad and its connection structure according to the present invention;

FIG. 7 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the robot work station comprises a robot work station 2, a support frame 3, a U-shaped block 4, a first guide wheel 5, a wedge-shaped block 6, a quick-change trolley 7, a clamp bottom plate 8, a support seat 9, an air cylinder 10, a positioning inductor 11, a second wedge-shaped block 12, an L-shaped support seat 13, a transverse plate 14, a roller 15, a positioning cushion plate 16, a square auxiliary positioning frame 17, a main positioning ring 18, a trolley position groove 19, a positioning pin 20 and a second guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1, 3 and 5, a positioning structure for a quick change trolley of a robot workstation comprises a robot workstation 1, a quick change trolley 6 and a fixture bottom plate 7, wherein a trolley position groove 18 for storing the quick change trolley 6 is formed in the right end of the robot workstation 1, the quick change trolley 6 is arranged in the trolley position groove 18, the fixture bottom plate 7 is installed at the top of the quick change trolley 6, four ends of the bottom of the quick change trolley 6 are rotatably connected with idler wheels 14, the robot workstation 1 is connected with jacking structures for jacking the quick change trolley 6 at two sides of the trolley position groove 18, each jacking structure comprises a support frame 2, a U-shaped block 3, a first guide wheel 4 and a wedge-shaped block 5 quick change trolley 6, the support frames 2 are symmetrically and fixedly installed at the front and back tops of the right end of the robot workstation 1, the tops of the support frames 2 are symmetrically and fixedly connected with the U-shaped blocks 3, the U-shaped blocks 3 are rotatably connected with the first guide wheels 4 through fixedly connected bearings, the bottom of a quick-change trolley 6 of the quick-change trolley 6 is symmetrically and fixedly connected with a wedge block 5 matched with a first guide wheel 4 for use, the quick-change trolley 6 is connected with the wedge block 5 in a matching way, when the quick-change trolley 6 moves, the inclined side surface of the wedge block 5 is firstly contacted with the first guide wheel 4, the plane of the wedge block 5 is contacted with the top of the first guide wheel 4 after the quick-change trolley 6 is fixed, after the quick-change trolley 6 is arranged in a trolley groove 18 of a robot workstation 1, the quick-change trolley 6 moves into the trolley groove 18, after the quick-change trolley 6 moves, the quick-change trolley 6 drives the quick-change trolley 6 with a jacking structure to move, the quick-change trolley 6 drives the wedge block 5 to move to the first guide wheel 4, after the inclined surface of the wedge block 5 is contacted with the first guide wheel 4, the first guide wheel 4 jacks the quick-change trolley 6, the quick-change trolley 6 is jacked, the ground under the position of the quick-change trolley 6 is prevented from interfering with the height position of a fixture due to other reasons, the welding spot is deviated, and the welding quality is influenced;

as shown in fig. 1, 2, 3, 4 and 5, the jacking structure is connected with a guiding and limiting structure for horizontal guiding and limiting, the guiding and limiting structure comprises a second wedge block 11, a transverse plate 13 and a second guide wheel 20, the inner wall of the support frame 2 is fixedly connected with the transverse plate 13, the top of the transverse plate 13 is uniformly and fixedly connected with the second guide wheel 20 through a fixedly connected bearing, the outer wall of the upright post of the quick-change trolley 6 is fixedly connected with the second wedge block 11 matched with the second guide wheel 20, the inclined surface of the second wedge block 11 is firstly contacted with the second guide wheel 20 when the quick-change trolley 6 moves, and after the quick-change trolley 6 is fixed, the second guide wheel 20 is in planar fit contact with the second wedge-shaped block 11, the quick-change trolley 6 drives the second wedge-shaped block 11 of the guide limiting structure to be in fit contact with the second guide wheel 20, and the multiple groups of second guide wheels 20 are used for righting and guiding the second wedge-shaped block 11, so that the quick-change trolley 6 can move stably in the trolley groove 18.

As shown in fig. 2 and 7, the robot workstation 1 is symmetrically provided with a position sensing structure for sensing the position of the quick-change trolley 6 at the left end of the trolley position groove 18, the position sensing structure comprises a positioning sensor 10 and an L-shaped supporting seat 12, the side wall of the L-shaped supporting seat 12 is fixedly connected with the positioning sensor 10, the L-shaped supporting seat 12 is fixedly installed at the top of the robot workstation 1, the L-shaped supporting seat 12 is provided with the left top of the trolley position groove 18, the quick-change trolley 6 is in contact with the positioning sensor 10 of the position sensing structure, the positioning sensor 10 senses the position of the quick-change trolley 6, and the two groups of positioning sensors 10 simultaneously sense and determine the position, so that the oblique installation and the mistaken collision of the quick-change trolley 6 by workers are effectively avoided, and the position of the quick-change trolley 6 is conveniently and accurately determined;

as shown in fig. 2, 4, 5 and 6, the robot workstation 1 is provided with a braking structure for limiting and braking the quick-change trolley 6 at the left side of the trolley position groove 18, the braking structure comprises a supporting seat 8, an air cylinder 9, a positioning cushion plate 15, a square auxiliary positioning frame 16, a main positioning ring 17 and a positioning pin 19, the right end of the supporting seat 8 is fixedly connected with the air cylinder 9, the output end of the air cylinder 9 is fixedly connected with the positioning pin 19, the side wall of the positioning pin 19 is in fit sliding connection with the side wall of the square hole of the square auxiliary positioning frame 16 and the side wall of the circular hole of the main positioning ring 17, the square auxiliary positioning frame 16 and the main positioning ring 17 are respectively and fixedly installed at the top of the positioning cushion plate 15, the positioning cushion plate 15 is symmetrically and fixedly installed at the top of the square frame at the lower end of the quick-change trolley 6, the air cylinder 9 pushes the positioning pin 19 to be inserted into the square hole of the square auxiliary positioning frame 16 and the circular hole of the main positioning ring 17 when the positioning sensor 10 senses a required value after the quick-change trolley 6 is in fit contact with the positioning sensor 10, when two sets of location sensors 10 sense the requirement numerical value, cylinder 9 promotes locating pin 19 to insert in square hole of square auxiliary positioning frame 16 and the round hole of main holding ring 17, locating pin 19 realizes fixing spacing to location backing plate 15 with the cooperation of square auxiliary positioning frame 16 and main holding ring 17, location backing plate 15 realizes fixing spacing to quick change dolly 6, prevent 1 vibrations of robot workstation and make quick change dolly 6 take place the displacement, make quick change dolly 6 accurate spacing at fixed position, prevent that the anchor clamps from installing out-of-position and leading to the solder joint skew to hit the rifle even, guarantee welding process's accuracy, and the product quality is improved.

When in use, the quick-change trolley 6 is moved into the small position groove 18 after being aligned with the small position groove 18 of the robot workstation 1, the quick-change trolley 6 drives the second wedge block 11 of the guide limiting structure to be attached and contacted with the second guide wheel 20, the second wedge blocks 11 are righted and guided by the multiple groups of second guide wheels 20, so that the quick-change trolley 6 can stably move in the small position groove 18, then the quick-change trolley 6 drives the quick-change trolley 6 of the jacking structure to move, the quick-change trolley 6 drives the wedge block 5 to move to the first guide wheel 4, the first guide wheel 4 jacks the quick-change trolley 6 after the inclined surface of the wedge block 5 is contacted with the first guide wheel 4, the quick-change trolley 6 is jacked, the ground under the position of the quick-change trolley 6 is prevented from interfering the height position of the clamp due to welding slag or other reasons, so that welding spots are deviated and the welding quality is influenced, meanwhile, then the quick-change trolley 6 is contacted with the positioning inductor 10 of the position sensing structure, the positioning sensor 10 senses the position of the quick-change trolley 6, the two groups of positioning sensors 10 sense the determined positions simultaneously, oblique installation and mistaken collision of workers of the quick-change trolley 6 are effectively avoided, the position of the quick-change trolley 6 can be conveniently and accurately determined, when the positioning sensor 10 senses a required numerical value, the air cylinder 9 pushes the positioning pin 19 to be inserted into the square hole of the square auxiliary positioning frame 16 and the round hole of the main positioning ring 17, the positioning pin 19 is matched with the square auxiliary positioning frame 16 and the main positioning ring 17 to realize fixing and limiting of the positioning backing plate 15, the positioning backing plate 15 realizes fixing and limiting of the quick-change trolley 6, the quick-change trolley 6 is prevented from being displaced due to vibration of the robot workstation 1, the quick-change trolley 6 is enabled to be accurately limited at a fixed position, welding spots are prevented from being deviated or even colliding with a gun due to improper installation of a clamp, accuracy of welding processing is guaranteed, and product quality is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a workstation quick change dolly location structure of robot, includes workstation of robot (1), quick change dolly (6) and anchor clamps bottom plate (7), its characterized in that: a trolley position groove (18) for storing the quick-change trolley (6) is arranged at the right end of the robot workstation (1), a quick-change trolley (6) is arranged in the trolley position groove (18), a clamp bottom plate (7) is arranged at the top of the quick-change trolley (6), four ends of the bottom of the quick-change trolley (6) are rotatably connected with rollers (14), the robot workstation (1) is connected with jacking structures used for jacking the quick-change trolley (6) at two sides of the trolley position groove (18), the jacking structure is connected with a guide limit structure for horizontal guide limit, the robot workstation (1) is symmetrically provided with a position induction structure for position induction of the quick change trolley (6) at the left end of the trolley position groove (18), the robot workstation (1) is provided with a braking structure for limiting and braking the quick-change trolley (6) at the left side of the trolley position groove (18).

2. The robotic workstation quick-change cart positioning structure of claim 1, wherein: jacking structure includes support frame (2), U-shaped piece (3), first leading wheel (4) and wedge (5), top around the right-hand member of support frame (2) symmetry fixed mounting robot workstation (1), the top symmetry fixedly connected with U-shaped piece (3) of support frame (2), U-shaped piece (3) rotate through fixed connection's bearing and are connected with first leading wheel (4), the bottom symmetry fixedly connected with of quick change dolly (6) is with wedge (5) that first leading wheel (4) cooperation was used.

3. The robotic workstation quick-change cart positioning structure of claim 2, wherein: when the quick-change trolley (6) moves, the bevel edge surface of the wedge block (5) is in contact with the first guide wheel (4) firstly, and the plane of the wedge block (5) is in contact with the top of the first guide wheel (4) after the quick-change trolley (6) is fixed.

4. The robotic workstation quick-change cart positioning structure of claim 3, wherein: the direction limit structure includes second wedge (11), diaphragm (13) and second leading wheel (20), the inner wall fixedly connected with diaphragm (13) of support frame (2), the even fixedly connected with second leading wheel (20) of bearing that fixed connection is passed through at the top of diaphragm (13), the stand outer wall fixedly connected with of quick change dolly (6) and second wedge (11) that second leading wheel (20) cooperation was used, the inclined plane and the first contact of second leading wheel (20) of second wedge (11) when quick change dolly (6) removed, and second leading wheel (20) and the contact of laminating of second wedge (11) plane after quick change dolly (6) was fixed.

5. The robotic workstation quick-change cart positioning structure of claim 4, wherein: the position sensing structure comprises a positioning sensor (10) and an L-shaped supporting seat (12), wherein the side wall of the L-shaped supporting seat (12) is fixedly connected with the positioning sensor (10).

6. The robotic workstation quick-change cart positioning structure of claim 5, wherein: the L-shaped supporting seat (12) is fixedly arranged at the top of the robot workstation (1), and the L-shaped supporting seat (12) is arranged at the top of the left side of the small car position groove (18).

7. The robotic workstation quick-change trolley positioning structure of any one of claims 1-6, wherein: braking structure includes supporting seat (8), cylinder (9), locating pad board (15), square vice locating frame (16), main holding ring (17) and locating pin (19), the right-hand member fixedly connected with cylinder (9) of supporting seat (8), the output fixedly connected with locating pin (19) of cylinder (9), the lateral wall of locating pin (19) and the quad slit lateral wall of square vice locating frame (16) and the round hole lateral wall laminating sliding connection of main holding ring (17), square vice locating frame (16) and main holding ring (17) are fixed mounting respectively at the top of locating pad board (15), locating pad board (15) symmetry fixed mounting is at the lower extreme square frame top of quick change dolly (6).

8. The robotic workstation quick-change cart positioning structure of claim 7, wherein: after the quick-change trolley (6) is attached to and contacted with the positioning sensor (10), when the positioning sensor (10) senses a required numerical value, the air cylinder (9) pushes the positioning pin (19) to be inserted into the square hole of the square auxiliary positioning frame (16) and the round hole of the main positioning ring (17).