CN214166449U

CN214166449U - Positioning mechanism for feeding system

Info

Publication number: CN214166449U
Application number: CN202023232254.6U
Authority: CN
Inventors: 余胜波; 刘凯; 廉敏
Original assignee: Shandong Doknow Intelligent Technology Co ltd
Current assignee: Shandong Doknow Intelligent Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-10
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of positioning of machining workpieces, and relates to a positioning mechanism for a feeding system, which comprises a first supporting seat and a second supporting seat, wherein the first supporting seat and the second supporting seat are relatively fixed on a bottom plate; the connecting rod device is arranged between the first supporting seat and the second supporting seat, the lower portion of the connecting rod device is connected with the cylinder driving device, two ends of the connecting rod device are respectively connected with the locking adjusting devices which are oppositely arranged, each locking adjusting device comprises bearings which are oppositely arranged, the height of the bottom of each bearing is equal to that of the first supporting seat and the second supporting seat, the plurality of bearings are fixedly connected with the sliding blocks, and the linear rails which are matched with the sliding blocks for use are fixed on the bottom plate. The utility model discloses can accomplish the secondary location to the work piece automatically, the positioning process does not need artificial intervention, and automatic level is high, and production efficiency improves, and is high to work piece positioning accuracy, improves the quality uniformity who processes the work piece.

Description

Positioning mechanism for feeding system

Technical Field

The utility model relates to a positioning mechanism for feeding system belongs to machining work piece location technical field.

Background

In the mechanical processing process, after the processing of the processing workpiece in the previous process is finished, when the next process is carried out, the processing workpiece needs to be re-positioned and re-processed again so as to eliminate the posture position deviation of the processing workpiece on the plate chain line; the positioning of the machining workpiece plays an important role, and the positioning accuracy directly influences the quality of the machining workpiece; the processing work piece that will accomplish one process among the prior art takes off from the board chain line with artifical mode, then the manual work is put the processing inslot of one process next and is fixed a position the processing, adopts artifical mode to carry and the secondary location to the processing work piece in the machining process, has increased operator's intensity of labour, and fail safe nature is low, and production efficiency is low, adopts artifical mode to the precision of work piece secondary location low, causes the work piece quality uniformity poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the positioning mechanism for the feeding system is provided, the auxiliary robot automatically completes secondary positioning of the workpiece, manual intervention is not needed in the positioning process, the automation level is high, the production efficiency is improved, the workpiece positioning precision is high, and the quality consistency of the machined workpiece is improved.

The positioning mechanism for the feeding system comprises a first supporting seat and a second supporting seat, wherein the first supporting seat and the second supporting seat are relatively fixed on a bottom plate; the connecting rod device is arranged between the first supporting seat and the second supporting seat, the lower portion of the connecting rod device is connected with the cylinder driving device, two ends of the connecting rod device are respectively connected with the locking adjusting devices which are oppositely arranged, each locking adjusting device comprises bearings which are oppositely arranged, the height of the bottom of each bearing is equal to that of the first supporting seat and the second supporting seat, the plurality of bearings are fixedly connected with the sliding blocks, and the linear rails which are matched with the sliding blocks for use are fixed on the bottom plate.

The bearing is a roller bearing, the bottom height of the bearing is equal to the height of the first supporting seat and the second supporting seat, and the two support lugs of the workpiece can be accurately clamped and processed by the bearing. When the device is used, the existing robot is adopted to take down the processed workpiece which completes the previous process from the plate chain line, and then the processed workpiece is placed on the first supporting seat and the second supporting seat; starting a cylinder driving device, wherein the cylinder driving device drives a bearing to approach a processing workpiece at the middle position of a bottom plate through a connecting rod device, so that the oppositely arranged bearing clamps a support lug of the processing workpiece, the placement position of the processing workpiece is adjusted, and the processing workpiece is positioned, thereby eliminating the attitude deviation of the processing workpiece; then the cylinder driving device drives the bearing to be far away from the processed workpiece through the connecting rod device, and the processed workpiece after the posture position is adjusted is grabbed and then placed into a processing groove of the next procedure by the existing robot. Be equipped with numerical control program among the current robot, after current robot snatchs the processing work piece behind the adjustment gesture position, numerical control program among the current robot can automatic identification processing work piece's gesture position, then will process the work piece and put into the processing groove that corresponds processing work piece gesture position in the lower one process, through the utility model discloses to the secondary positioning of processing work piece, make and improve processing work piece positioning accuracy, and then improve processing work piece's quality uniformity.

Preferably, the locking adjusting device further comprises a fixing plate, the bottom of the fixing plate is fixedly connected with the sliding block, and the middle position of the upper part of the fixing plate is connected with the connecting rod device; the bearing runs through the connecting axle, and the connecting axle both ends are connected with bearing support top and bottom respectively, and one side and the fixed plate side middle part fixed connection of bearing support relative with the bearing. The middle position of the upper part of the fixing plate is connected with the connecting rod device, so that the distance that the connecting rod device drives the fixing plates on two sides to move along the linear track is consistent, the fixing plates are driven by the bearing clamps to clamp the workpiece, and the attitude deviation of the processed workpiece is adjusted.

Preferably, the connecting rod device comprises an intermediate shaft, the upper part of the intermediate shaft is connected with the middle position of the first crank, two ends of the first crank are respectively connected with one end of the opposite connecting rod, and the other end of the connecting rod is connected with the middle position of the upper part of the fixing plate. The middle position of the upper part of the intermediate shaft connected with the first crank ensures that the running tracks of the connecting rods on two sides of the first crank are consistent, so that the clamping force and the clamping position of the bearing on two sides of the workpiece to be machined are consistent, and the posture deviation of the workpiece to be machined is eliminated.

Preferably, the intermediate shaft penetrates through the bearing seat, the bearing seat is fixed on the bottom plate, the lower portion of the intermediate shaft is connected with the cylinder driving device, the cylinder driving device comprises a cylinder, the output end of the cylinder is connected with one end of the second crank, and the other end of the second crank is connected with the lower portion of the intermediate shaft. The second crank drives the intermediate shaft to rotate by starting the cylinder, and the intermediate shaft drives the connecting rod to reciprocate through the crank, so that the bearing clamps and loosens the machined workpiece.

Preferably, the bottom of the bottom plate is fixedly connected with the support frame, a plurality of leveling bolts are arranged on the bottom surface of the support frame, an L-shaped support is further oppositely arranged on the side surface of the bottom of the support frame, and one vertical side of the L-shaped support is fixedly connected with the side surface of the bottom of the support frame. Four stabilizer blades of support frame can be adjusted to the leveling bolt and on the coplanar, and the support frame is fixed through the level one side of L shape support, guarantees the stability in this positioning mechanism for feeding system use.

Preferably, one vertical side of the L-shaped support is provided with a strip hole, and the strip hole is matched with a leveling bolt to adjust the mounting height of the support frame.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model has the advantages of reasonable design, drive the bearing through the link device and press from both sides tight work piece to eliminate the gesture position deviation of processing work piece on the plate link line, the auxiliary robot accomplishes the secondary positioning to the work piece automatically, production efficiency improves, and fail safe nature is high, and to the work piece positioning accuracy height, improves the quality uniformity of processing the work piece; the positioning process does not need human intervention, the automation level is high, the use of a modern numerical control machining workshop is met, the image of the workshop is improved, and the cost is low.

Drawings

FIG. 1 is a schematic structural view of a positioning mechanism for a feeding system;

FIG. 2 is an enlarged view of a clamping combination of a bearing and a workpiece to be machined;

fig. 3 is an enlarged schematic view of the structure of the cylinder driving device.

In the figure: 1. a slider; 2. a linear track; 3. a bearing seat; 4. a first supporting seat; 5. a first crank; 6. an intermediate shaft; 7. a connecting rod; 8. a connecting shaft; 9. a bearing; 10. a bearing support; 11. a fixing plate; 12. a second supporting seat; 13. a base plate; 14. a cylinder; 15. a support frame; 16. an L-shaped bracket; 17. leveling bolts; 18. a workpiece; 19. a workpiece support lug; 20. and a second crank.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-3, the positioning mechanism for a feeding system of the present invention includes a first supporting seat 4 and a second supporting seat 12, wherein the first supporting seat 4 and the second supporting seat 12 are relatively fixed on a bottom plate 13; a connecting rod device is arranged between the first supporting seat 4 and the second supporting seat 12, the lower portion of the connecting rod device is connected with a cylinder 14 driving device, two ends of the connecting rod device are respectively connected with locking adjusting devices which are oppositely arranged, each locking adjusting device comprises a bearing 9 which is oppositely arranged, the height of the bottom of each bearing 9 is equal to that of the first supporting seat 4 and the second supporting seat 12, the plurality of bearings 9 are fixedly connected with the sliding block 1, and the linear track 2 which is matched with the sliding block 1 for use is fixed on the bottom plate 13.

In this embodiment:

the locking adjusting device also comprises a fixed plate 11, the bottom of the fixed plate 11 is fixedly connected with the sliding block 1, and the middle position of the upper part of the fixed plate 11 is connected with the connecting rod device; the bearing 9 runs through the connecting shaft 8, two ends of the connecting shaft 8 are respectively connected with the top and the bottom of the bearing support 10, and one side of the bearing support 10 opposite to the bearing 9 is fixedly connected with the middle part of the side surface of the fixing plate 11. The middle position of the upper part of the fixing plate 11 is connected with the connecting rod device, so that the distance that the connecting rod device drives the fixing plates 11 on the two sides to move along the linear track 2 is consistent, the fixing plates 11 drive the bearings 9 to clamp the workpiece 18, and the posture deviation of the processed workpiece 18 is adjusted.

The connecting rod device comprises a middle shaft 6, the upper part of the middle shaft 6 is connected with the middle position of a first crank 5, two ends of the first crank 5 are respectively connected with one end of a connecting rod 7 which is opposite, and the other end of the connecting rod 7 is connected with the middle position of the upper part of a fixing plate 11. The middle position of the upper part of the intermediate shaft 6 connected with the first crank 5 ensures that the running tracks of the connecting rods 7 at two sides of the first crank 5 are consistent, so that the clamping force and the clamping position of the bearing 9 on two sides of the machined workpiece 18 are consistent, and the posture deviation of the machined workpiece 18 is eliminated.

The intermediate shaft 6 penetrates through the bearing seat 3, the bearing seat 3 is fixed on the bottom plate 13, the lower portion of the intermediate shaft 6 is connected with a cylinder 14 driving device, the cylinder 14 driving device comprises a cylinder 14, the output end of the cylinder 14 is connected with one end of a second crank 20, and the other end of the second crank 20 is connected with the lower portion of the intermediate shaft 6. By starting the cylinder 14, the crank II 20 drives the intermediate shaft 6 to rotate, and the intermediate shaft 6 drives the connecting rod 7 to reciprocate through the crank I5, so that the bearing 9 clamps and loosens the processing workpiece 18.

The bottom of the bottom plate 13 is fixedly connected with a support frame 15, a plurality of leveling bolts 17 are arranged on the bottom surface of the support frame 15, an L-shaped support 16 is further oppositely arranged on the side surface of the bottom of the support frame 15, and one vertical side of the L-shaped support 16 is fixedly connected with the side surface of the bottom of the support frame 15. Four supporting legs of the supporting frame 15 can be adjusted by the leveling bolts 17 to be located on the same plane, and the supporting frame 15 is fixed through the horizontal side of the L-shaped support 16, so that the stability of the positioning mechanism for the feeding system in the using process is guaranteed.

And a strip hole is formed in one vertical side of the L-shaped support 16, and the strip hole is matched with the leveling bolt 17 to adjust the installation height of the support frame 15.

When the device is used, the existing robot is adopted to take down the processed workpiece 18 which finishes the previous procedure from the plate chain line, and then the processed workpiece is placed on the first supporting seat 4 and the second supporting seat 12; the air cylinder 14 is started, the air cylinder 14 drives the intermediate shaft 6 to rotate through the second crank 20, when the output end of the air cylinder 14 is shortened to drive the intermediate shaft 6 to rotate anticlockwise, the intermediate shaft 6 drives the connecting rod 7 to move through the first crank 5, the connecting rod 7 drives the bearing 9 to move to the machining workpiece 18 at the middle position along the linear track 2 through the fixing plate 11, the support lug of the machining workpiece 18 is clamped between the two bearings 9, the bearing 9 clamps the machining workpiece 18 to complete positioning of the machining workpiece 18, and posture position adjustment of the machining workpiece 18 is achieved; then when the output end of the conversion cylinder 14 is stretched to drive the intermediate shaft 6 to rotate clockwise, the intermediate shaft 6 drives the connecting rod 7 to move through the first crank 5, the connecting rod 7 drives the bearing 9 to move along the position of the linear rail 2 far away from the machined workpiece 18 through the fixing plate 11, the bearing 9 loosens the machined workpiece support lug 19, and the positioned machined workpiece 18 is grabbed and then placed into a machining groove of the next procedure by the existing robot. Be equipped with numerical control program among the current robot, snatch the processing work piece 18 after the adjustment gesture position when current robot after, numerical control program among the current robot can automatic identification processing work piece 18 gesture position, then will process work piece 18 and put into the processing groove that corresponds processing work piece 18 gesture position in the lower one process, through the utility model discloses to the secondary positioning of processing work piece 18, make and improve processing work piece 18 positioning accuracy, and then improve processing work piece 18's quality uniformity.

Claims

1. The utility model provides a positioning mechanism for feeding system which characterized in that: the device comprises a first supporting seat (4) and a second supporting seat (12), wherein the first supporting seat (4) and the second supporting seat (12) are relatively fixed on a bottom plate (13); a connecting rod device is arranged between the first supporting seat (4) and the second supporting seat (12), the lower part of the connecting rod device is connected with a cylinder driving device, two ends of the connecting rod device are respectively connected with a locking adjusting device which is oppositely arranged, the locking adjusting device comprises bearings (9) which are oppositely arranged, the bottom height of each bearing (9) is equal to that of the first supporting seat (4) and the second supporting seat (12), a plurality of bearings (9) are fixedly connected with the sliding block (1), and the linear track (2) which is matched with the sliding block (1) for use is fixed on the bottom plate (13).

2. The positioning mechanism for a feeding system according to claim 1, characterized in that: the locking adjusting device also comprises a fixed plate (11), the bottom of the fixed plate (11) is fixedly connected with the sliding block (1), and the middle position of the upper part of the fixed plate (11) is connected with the connecting rod device; the bearing (9) runs through the connecting shaft (8), the two ends of the connecting shaft (8) are respectively connected with the top and the bottom of the bearing support (10), and one side of the bearing support (10) opposite to the bearing (9) is fixedly connected with the middle part of the side face of the fixing plate (11).

3. The positioning mechanism for a feeding system according to claim 2, characterized in that: the connecting rod device comprises a middle shaft (6), the upper portion of the middle shaft (6) is connected with the middle position of a first crank (5), two ends of the first crank (5) are respectively connected with one end of a connecting rod (7) which is opposite to the two ends of the first crank, and the other end of the connecting rod (7) is connected with the middle position of the upper portion of the fixing plate (11).

4. The positioning mechanism for a feeding system according to claim 3, characterized in that: bearing frame (3) are run through to jackshaft (6), and bearing frame (3) are fixed on bottom plate (13), jackshaft (6) sub-unit connection cylinder drive arrangement, and cylinder drive arrangement includes cylinder (14), and crank two (20) one end is connected to the output of cylinder (14), and jackshaft (6) lower part is connected to the crank two (20) other end.

5. The positioning mechanism for a feeding system according to claim 1, characterized in that: the bottom of the bottom plate (13) is fixedly connected with the support frame (15), a plurality of leveling bolts (17) are arranged on the bottom surface of the support frame (15), an L-shaped support (16) is further oppositely arranged on the side surface of the bottom of the support frame (15), and one vertical side of the L-shaped support (16) is fixedly connected with the side surface of the bottom of the support frame (15).

6. The positioning mechanism for a feeding system according to claim 5, wherein: one vertical side of the L-shaped bracket (16) is provided with a long hole.