CN215796844U - Follow-up feeding and discharging system - Google Patents
Follow-up feeding and discharging system Download PDFInfo
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- CN215796844U CN215796844U CN202121811522.1U CN202121811522U CN215796844U CN 215796844 U CN215796844 U CN 215796844U CN 202121811522 U CN202121811522 U CN 202121811522U CN 215796844 U CN215796844 U CN 215796844U
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Abstract
The utility model relates to the technical field of industrial robots, in particular to a follow-up feeding and discharging system which comprises an upper bracket and a lower bracket which are connected with each other, wherein a material loading and unloading mechanism is installed in the upper bracket, a follow-up mechanism is installed in the lower bracket, and the follow-up mechanism can drive the material loading and unloading mechanism to do horizontal rotation motion; and the upper bracket is also provided with a lifting driving mechanism, and the lifting driving mechanism can drive the material loading and unloading mechanism to do vertical lifting motion. The system effectively solves the problem of inaccurate positioning in the automatic feeding and discharging process, simultaneously solves the problem of accurate installation of a workpiece to be installed in the continuous motion process, has simple structure and easy maintenance, can greatly reduce the robot changing cost, meets the production line requirement in the production beat, and has the advantage of high positioning precision.
Description
Technical Field
The utility model relates to the technical field of industrial robots, in particular to a follow-up feeding and discharging system.
Background
The robot is an important measure for promoting the traditional manufacturing industry to realize the transformation and the upgrade of the industry. The traditional industry is promoted by modern and automatic equipment, the technical dividend is promoted to replace the population dividend, and the method becomes a source of new industry optimization and upgrade and the continuous increase of economy. At present, the robot is comprehensively promoted and implemented in enterprises in the industrial fields of electronics, machinery, food, textile, clothing, furniture, shoe industry, chemical industry, logistics and the like, which have obvious repeated labor characteristics, high labor intensity and certain dangerousness, particularly labor-intensive enterprises.
At present, robot exchange mainly adopts forms such as 'partial link robot exchange', 'whole production line automatic transformation', 'automatic production line + industrial robot', and in the execution process of robot exchange, often meet the enterprise in order to reduce the transformation cost, adopt to carry out robot exchange on the basis of maintaining current production equipment or production mode, because the old of production line, product variety are various, the degree of standardization or standardization of used frock clamp is low etc. and must lead to the fact the degree of difficulty of robot exchange to improve greatly. In addition, for some actions of automatic feeding and discharging or automatic assembling, when the tool and the part to be installed are required to be relatively static during installation, and accurate positioning is achieved, so that the success rate and the repeatability of installation can be ensured, therefore, the station to be installed is required to be in a static state at a specified position, however, for some production lines adopting chain continuous conveying, required execution actions are completed in the production lines, the production lines cannot pause intermittently, if a special machine or a robot is adopted for feeding and discharging or assembling, the tail end is required to be executed to capture the position actively, the tail end moves along with the position to be executed, the relative static state is reached, if the actions are required to be completed, more sensing detection systems such as image recognition or position judgment and the like need to be added, the cost of robot replacing people is increased, and the beat cannot meet the requirements of enterprises easily.
Therefore, a technique for solving this problem is urgently required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art, and provides a follow-up feeding and discharging system which is suitable for the working condition that feeding and discharging or assembling are required to be carried out on a production line, wherein the assembly process can be dynamic or static, the production line can adopt a gear, a chain wheel or a belt wheel to feed a transmission belt, the state of workpieces in the transmission belt can be free or fixed, and the follow-up feeding and discharging system is particularly suitable for a certain regular arrangement state, and if the workpieces are in the free state, because the workpieces are randomly arranged on the transmission belt, special mechanisms are required to be added subsequently to comb or arrange the workpieces. The servo mechanism is driven by the transmission mechanism in the conveying line or by the linear motion of the fixedly connected clamp, the servo mechanism is made to rotate, the rotating speed is completely matched with the conveying speed of the conveying line, the material loading and unloading mechanism and the servo mechanism are synchronously moved, so that the relative position between the workpiece and the loading and unloading jig can be determined by the relative position between the product and the conveying line transmission mechanism or the fixedly connected clamp, the synchronous motion between the workpiece and the jig can be further ensured in the loading and unloading or installation process, and the accurate installation or loading and unloading can be realized under the condition that excessive position detection or image identification means are not needed.
The above purpose is realized by the following technical scheme:
a follow-up type loading and unloading system comprises an upper support and a lower support which are connected with each other, wherein a material loading and unloading mechanism is installed in the upper support, a follow-up mechanism is installed in the lower support, and the follow-up mechanism can drive the material loading and unloading mechanism to rotate horizontally; and the upper bracket is also provided with a lifting driving mechanism, and the lifting driving mechanism can drive the material loading and unloading mechanism to do vertical lifting motion.
Furthermore, the upper support comprises a first support plate and a second support plate which are arranged up and down and are parallel to each other, and the first support plate and the second support plate are connected through at least four mutually symmetrical upper support rods to form a first working space capable of accommodating the material loading and unloading mechanism;
the lower support comprises a second support plate and a third support plate which are arranged from top to bottom, and the second support plate is connected with the third support plate through at least four lower support rods which are symmetrical to each other, so that a second working space capable of accommodating the follow-up mechanism is formed.
Furthermore, the follow-up mechanism comprises a first bearing seat arranged on the surface of the third supporting plate, the first bearing seat is vertically sleeved with a first rotating shaft, the first rotating shaft is used as an axis, the outer side of the first bearing seat is sleeved with and fixedly connected with a transmission part, and the top of the first rotating shaft vertically penetrates through the second supporting plate and is connected with the material loading and unloading mechanism.
Furthermore, a second bearing seat is arranged along the surface of the second support plate, and the second bearing seat is vertically sleeved outside the first rotating shaft.
Furthermore, the material loading and unloading mechanism comprises a cylindrical transition disc, the axis of the cylindrical transition disc is locked with the top of the first rotating shaft, at least two guide holes which are symmetrical to each other and can be penetrated by guide pillars are formed in the circumference of the transition disc, and the tops of the guide pillars are connected with the follow-up frame;
the follow-up frame is connected with a lifting driving mechanism arranged on the first supporting plate, and the guide pillar can vertically move in the guide hole under the driving of the lifting driving mechanism.
And furthermore, a guide sleeve for limiting the bottom end of the guide pillar is arranged on the surface of each guide hole.
Furthermore, the follow-up frame is in an X shape formed by four support arms with the same specification, and grabbing fixtures for grabbing materials are respectively arranged at the end parts of the four support arms; the follow-up frame is composed of at least two support arms with the same specification, and grabbing fixtures for grabbing materials are respectively arranged at the end parts of the support arms;
the lifting driving mechanism comprises a second rotating shaft and a linear movement power device, the second rotating shaft can penetrate through a through hole arranged at the axis position of the follow-up frame, and the top of the second rotating shaft is connected with a piston rod of the linear movement power device through a coupler; the linear moving power device is installed on the surface of the first supporting plate, and the piston rod penetrates through the first supporting plate.
Furthermore, the shaft coupling is perpendicularly connected with one end of the connecting rod, the other end of the connecting rod is perpendicularly connected with a pin shaft, and the pin shaft can penetrate through a pin shaft hole formed in the first supporting plate.
Further, the connecting rod is parallel to the first supporting plate, and the length of the pin shaft is not less than the length between the follow-up frame and the first supporting plate.
Further, the angle between adjacent support arms on the follow-up frame satisfies the following formula:
wherein phi is an angle between adjacent support arms, L is a distance between workpieces to be mounted or loaded and unloaded on a transmission line, and R is a length of the support arm.
Advantageous effects
According to the follow-up feeding and discharging system provided by the utility model, through analyzing the structural characteristics of the existing conveying mode and the arrangement rule of the workpieces on the conveying line, the existing transmission structure of the conveying line or the fixed clamp of the workpieces is used as the power source of the follow-up mechanism to push the follow-up mechanism to synchronously rotate, so that the relative position between the workpiece and the feeding and discharging jig can be determined according to the relative position between the product and the conveying line transmission mechanism or the fixed clamp, the synchronous motion between the workpiece and the jig can be ensured in the process of driving the material loading and discharging mechanism to load and unload materials or installing the material loading and discharging mechanism by the lifting driving mechanism, and the purpose of accurately installing or loading and unloading materials can be realized without excessive position detection or image recognition means. The system effectively solves the problem of inaccurate positioning in the automatic feeding and discharging process, simultaneously solves the problem of accurate installation of a workpiece to be installed in the continuous motion process, has simple structure and easy maintenance, can greatly reduce the robot changing cost, meets the production line requirement in the production beat, and has the advantage of high positioning precision.
Drawings
FIG. 1 is a side view of a follower loading and unloading system according to the present invention;
FIG. 2 is a first perspective view of the servo type loading and unloading system according to the present invention;
FIG. 3 is a second perspective view of the servo loading and unloading system of the present invention;
fig. 4 is a working schematic diagram of a follow-up feeding and discharging system according to the present invention.
Graphic notation:
1-upper support, 2-lower support, 3-material loading and unloading mechanism, 4-following mechanism, 5-lifting driving mechanism, 6-first support plate, 7-second support plate, 8-upper support rod, 9-first working space, 10-third support plate, 11-lower support rod, 12-second support space, 13-first bearing seat, 14-first rotating shaft, 15-transmission component, 16-second bearing seat, 17-transition disc, 18-guide post, 19-guide hole, 20-following frame, 21-guide sleeve, 22-support arm, 23-grabbing jig, 24-second rotating shaft, 25-linear moving power device, 26-piston rod, 27-coupler, 28-connecting rod, 29-pin shaft, 30-pin shaft hole, 31-third bearing seat.
Detailed Description
The utility model is explained in more detail below with reference to the figures and examples. The described embodiments are only some embodiments of the utility model, not all 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.
As shown in fig. 1, a follow-up type loading and unloading system comprises an upper bracket 1 and a lower bracket 2 which are connected with each other, wherein a material loading and unloading mechanism 3 is installed in the upper bracket 1, a follow-up mechanism 4 is installed in the lower bracket 2, and the follow-up mechanism 4 can drive the material loading and unloading mechanism 3 to rotate horizontally; the upper support 1 is also provided with a lifting driving mechanism 5, and the lifting driving mechanism 5 can drive the material loading and unloading mechanism 3 to vertically move up and down.
Specifically, this system mainly is to the operating mode that need go on unloading or assemble on the production line, and the assembly process can be dynamic or static, the production line can adopt gear, sprocket or band pulley to advance driven conveyer belt, and the state of work piece in the conveyer belt can be free or fixed, is particularly suitable for having certain law state of arranging, if is free state, because the work piece is arranged at random on the conveyer belt, needs follow-up some special mechanism that add to comb or arrange it.
As shown in fig. 4, the working principle is as follows:
by analyzing the structural characteristics of the existing conveying mode and the arrangement rule of the workpieces on the conveying line, the existing transmission structure of the conveying line or the fixed fixture of the workpieces is used as a power source of the follow-up mechanism to push the follow-up mechanism to rotate;
the structure of the follow-up mechanism can adopt the structural forms of chain wheels, belt wheels, gears or shifting forks and the like which are the same as the driving mechanism in the conveying belt;
the follow-up motion belongs to driven motion, the follow-up mechanism is driven through a transmission mechanism in the conveying line or linear motion of a fixedly connected clamp, the follow-up mechanism is made to rotate, the material loading and unloading mechanism is further driven to rotate, and the rotating speed is completely matched with the conveying speed of the conveying line; the material loading and unloading mechanism does synchronous motion, can determine the relative position between the workpiece and the feeding and unloading jig through the relative position of the product and the conveying line transmission mechanism or the fixed connection clamp, and can also ensure the synchronous motion between the workpiece and the material taking jig in the feeding and unloading or installation process, thereby realizing accurate installation or feeding and unloading under the condition that excessive position detection or image recognition means is not needed.
As shown in fig. 2 and 3, as an optimization of the upper frame 1 and the lower frame 2 in the present system, the upper frame 1 includes a first supporting plate 6 and a second supporting plate 7 which are arranged up and down and parallel to each other, and the first supporting plate 6 and the second supporting plate 7 are connected by at least four upper supporting rods 8 which are symmetrical to each other, so as to form a first working space 9 which can accommodate the material handling mechanism 3;
the lower support 2 comprises a second support plate 7 and a third support plate 10 which are arranged from bottom to top, and the second support plate 7 and the third support plate 10 are connected through at least four mutually symmetrical lower support rods 11 to form a second working space 12 capable of accommodating the follow-up mechanism 4.
In this embodiment, the upper supporting plate 8 and the lower supporting rod 11 may also be the same supporting rod, the upper end is used for supporting the first supporting plate 6, the lower end is used for supporting the third supporting plate 10, and the middle section is used for supporting the second supporting plate 7.
The follow-up mechanism 4 comprises a first bearing seat 13 arranged on the surface of the third supporting plate 10, the first bearing seat 13 is vertically sleeved with a first rotating shaft 14, the first rotating shaft 14 is taken as an axis, the outer side of the first bearing seat is sleeved with and fixedly connected with a transmission part 15, and the top of the first rotating shaft 14 vertically penetrates through the second supporting plate 7 and is connected with the material loading and unloading mechanism 3.
A second bearing block 16 is disposed along the surface of the second support plate 7, and the second bearing block 16 is vertically sleeved outside the first rotating shaft 14.
In this way, smooth rotation of the first rotating shaft between the second support plate 7 and the third support plate 10 can be ensured.
The transmission part in the mechanism can also adopt the structural form of a transmission gear or a chain wheel, and the specific structural form can be determined according to the specific transmission mode, the space position and other time conditions.
The material loading and unloading mechanism 3 comprises a cylindrical transition disc 17 with the axis locked with the top of the first rotating shaft 14, at least two guide holes 19 which are symmetrical to each other and can be penetrated by guide posts 18 are arranged along the circumference of the transition disc 17, and the tops of the guide posts 18 are connected with a follow-up frame 20.
In another embodiment, four guide holes 19 are symmetrically formed in the circumference of the transition disc 17, through which guide posts 18 can pass, and the tops of the four guide posts 18 are connected to a follow-up frame 20;
the following frame 20 is connected to a lifting driving mechanism 5 disposed on the first support plate 6, and the guide post 18 can vertically move up and down in the guide hole 19 under the driving of the lifting driving mechanism 5.
A guide sleeve 21 for limiting the bottom end of the guide post 18 is arranged along the surface of each guide hole 19.
In this embodiment, the transition disc 17 is mainly provided with a guiding mechanism, a locking mechanism and the like, and mainly functions to connect the following mechanism 4 with the following frame 20, adjust the mutual positions of the following mechanism and the following frame 20, and simultaneously play a role in guiding the up-and-down movement of the following frame 20; the locking mechanism fixes and connects the circle center of the transition disc body and the first rotating shaft in a double-nut mode.
The follow-up frame 20 is composed of at least two support arms 22 with the same specification, and the end parts of the support arms 22 are respectively provided with a grabbing jig 23 for grabbing materials.
As shown in fig. 2, in the present embodiment, the follower rack 20 is formed in an X shape by four support arms 22 with the same specification, and the end portions of the four support arms 22 are respectively provided with a grabbing fixture 23 for grabbing materials.
Specifically, the angle between adjacent support arms 22 on the follower frame 20 satisfies the following formula:
wherein phi is an angle between adjacent support arms, L is a distance between workpieces to be mounted or loaded and unloaded on a transmission line, and R is a length of the support arm.
In this embodiment, the grabbing jig 23 may be configured to adopt an electromagnetic, vacuum adsorption or mechanical grabbing manner, and the grabbing jig 23 and the follower frame may be connected by a rigid (screw connection or welding) or flexible (universal joint or elastic material or part), and may be specifically adjusted according to actual installation conditions.
The gripping jig 23 is driven by the linear movement power device of the elevation driving mechanism 5 to perform vertical linear movement, and the operation is rapid. In this embodiment, the linear motion power device may be an air cylinder, a linear motor, or the like
As shown in fig. 1, the lifting driving mechanism 5 includes a second rotating shaft 24 and a linear moving power device 25, the second rotating shaft 24 can pass through a through hole (labeled in the figure) provided at the axial center position of the follower frame 20, and a third bearing seat 31 capable of being sleeved on the second rotating shaft 24 is further provided on the surface of the through hole; the top of the second rotating shaft 24 is connected with a piston rod 26 of the linear motion power device 25 through a coupling 27; the linear motion power device 25 is mounted on the surface of the first support plate 6, and the piston rod 26 penetrates through the first support plate 6.
In order to ensure the stable movement of the lifting driving mechanism 5, a pin 29 is vertically connected to the other end of the connecting rod 28, and the pin 29 may penetrate through a pin hole 30 formed in the first support plate 6. When the piston rod 26 drives the follow-up frame 20 to do vertical lifting motion, the pin shaft 29 synchronously lifts in the pin shaft hole 30; the connecting rod 28 is parallel to the first supporting plate 6, and the length of the pin 29 is not less than the length between the follow-up frame 20 and the first supporting plate 6.
Three groups of bearing combinations of the first bearing seat 13, the second bearing seat 16 and the third bearing seat 31 are arranged in the whole system to play roles of supporting, reducing friction and the like, and the bearings can adopt cylindrical roller bearings, ball bearings and angular contact bearings or combinations of rolling bearings and thrust bearings to reduce the influence of axial force on rotary motion; wherein, the third bearing seat 31 is arranged between the linear motion power device and the follow-up frame to prevent the power device from rotating along with the linear motion power device.
The above description is for the purpose of illustrating embodiments of the utility model and is not intended to limit the utility model, and it will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A follow-up type loading and unloading system is characterized by comprising an upper support and a lower support which are connected with each other, wherein a material loading and unloading mechanism is installed in the upper support, a follow-up mechanism is installed in the lower support, and the follow-up mechanism can drive the material loading and unloading mechanism to rotate horizontally; and the upper bracket is also provided with a lifting driving mechanism, and the lifting driving mechanism can drive the material loading and unloading mechanism to do vertical lifting motion.
2. The follow-up loading and unloading system of claim 1, wherein the upper support comprises a first support plate and a second support plate which are arranged up and down and parallel to each other, and the first support plate and the second support plate are connected through at least four upper support rods which are symmetrical to each other to form a first working space which can accommodate the material loading and unloading mechanism;
the lower support comprises a second support plate and a third support plate which are arranged from top to bottom, and the second support plate is connected with the third support plate through at least four lower support rods which are symmetrical to each other, so that a second working space capable of accommodating the follow-up mechanism is formed.
3. The follow-up loading and unloading system as claimed in claim 2, wherein the follow-up mechanism includes a first bearing seat mounted on the surface of the third supporting plate, the first bearing seat vertically sleeves a first rotating shaft, the first rotating shaft is used as an axis, a transmission member is sleeved and fixedly connected to the outer side of the first bearing seat, and the top of the first rotating shaft vertically penetrates through the second supporting plate and is connected with the material loading and unloading mechanism.
4. The follow-up feeding and discharging system as claimed in claim 3, wherein a second bearing seat is disposed along a surface of the second support plate, and the second bearing seat is vertically sleeved outside the first rotating shaft.
5. A follow-up loading and unloading system as claimed in claim 3, wherein the material loading and unloading mechanism comprises a cylindrical transition disc with an axis locked with the top of the first rotating shaft, at least two guide holes are symmetrically formed along the circumference of the transition disc for guide pillars to pass through, and the tops of the guide pillars are connected with a follow-up frame;
the follow-up frame is connected with a lifting driving mechanism arranged on the first supporting plate, and the guide pillar can vertically move in the guide hole under the driving of the lifting driving mechanism.
6. The follow-up feeding and discharging system as claimed in claim 5, wherein a guide sleeve for limiting the bottom end of the guide pillar is provided along the surface of each guide hole.
7. The follow-up loading and unloading system as claimed in claim 5, wherein the follow-up frame is composed of at least two support arms with the same specification, and the end parts of the support arms are respectively provided with a grabbing fixture for grabbing materials;
the lifting driving mechanism comprises a second rotating shaft and a linear movement power device, the second rotating shaft can penetrate through a through hole arranged at the axis position of the follow-up frame, and the top of the second rotating shaft is connected with a piston rod of the linear movement power device through a coupler; the linear moving power device is installed on the surface of the first supporting plate, and the piston rod penetrates through the first supporting plate.
8. The follow-up feeding and discharging system as claimed in claim 7, wherein the coupling is vertically connected to one end of the connecting rod, and the other end of the connecting rod is vertically connected to a pin shaft, and the pin shaft can penetrate through a pin shaft hole of the first supporting plate.
9. The follow-up feeding and discharging system as claimed in claim 8, wherein the connecting rod is parallel to the first support plate, and the length of the pin shaft is not less than the length between the follow-up frame and the first support plate.
10. The follower type loading and unloading system as recited in claim 7, wherein the angle between adjacent arms on the follower frame satisfies the following formula:
wherein phi is an angle between adjacent support arms, L is a distance between workpieces to be mounted or loaded and unloaded on a transmission line, and R is a length of the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121811522.1U CN215796844U (en) | 2021-08-04 | 2021-08-04 | Follow-up feeding and discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121811522.1U CN215796844U (en) | 2021-08-04 | 2021-08-04 | Follow-up feeding and discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215796844U true CN215796844U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121811522.1U Active CN215796844U (en) | 2021-08-04 | 2021-08-04 | Follow-up feeding and discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215796844U (en) |
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2021
- 2021-08-04 CN CN202121811522.1U patent/CN215796844U/en active Active
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