CN219212319U

CN219212319U - Double-station positioning mechanism

Info

Publication number: CN219212319U
Application number: CN202223300096.2U
Authority: CN
Inventors: 王璞
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-20
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a double-station positioning mechanism which comprises a workbench, wherein two workpiece placement tables are arranged on the workbench at intervals side by side, a rotating device is arranged between the two workpiece placement tables, an elliptical cam is arranged at the output end of the rotating device, two sides of the rotating device are respectively provided with a fixed seat board, a sliding rod is arranged on the fixed seat board in a sliding manner, a first side pressing block and a second side pressing block are respectively fixed at two ends of the sliding rod, an elastic element is arranged between the second side pressing block and the fixed seat board, and a first stop block is arranged on one side, far away from the first side pressing block, of each workpiece placement table. The elliptical cam is driven to rotate around the central axis of the elliptical cam through one rotating device, so that two second side pressing blocks on two sides are synchronously pushed to move the workpiece to a designated position, the workpiece on two workpiece placement tables is positioned in the X direction, the number of positioning mechanisms is reduced, the equipment control logic is simplified, and the equipment cost is reduced; and the whole structure is simple, and the design is ingenious.

Description

Double-station positioning mechanism

Technical Field

The utility model relates to the technical field of workpiece positioning, in particular to a double-station positioning mechanism.

Background

In the production process of the battery module, a heat insulation pad is generally required to be adhered to the side surface of the square shell battery cell, on one hand, double faced adhesive tape on the heat insulation pad can achieve adhesion fixation between the battery cells, and on the other hand, the heat insulation pad also has the functions of insulation and heat insulation, so that after thermal runaway of a single battery cell, the temperature of the adjacent battery cell is prevented from rising rapidly, and the occurrence of thermal diffusion is avoided. When the heat insulation pad is fed, the heat insulation pad is required to be positioned firstly, and because the heat insulation pad is required to be more in quantity by a single module, a plurality of heat insulation pad placing stations are usually arranged on the workbench, however, a positioning mechanism is usually correspondingly and independently arranged around each existing placing station, so that the positioning mechanisms on the workbench are various, the structure is complex, and the equipment tooling cost is greatly increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a double-station positioning mechanism, which utilizes the same set of positioning mechanism to position workpieces on two stations, realizes integration and simplification of the positioning mechanism and reduces the cost.

In order to solve the technical problems, the double-station positioning mechanism comprises a workbench, two workpiece placement tables are arranged on the workbench at intervals side by side, a rotating device is arranged between the two workpiece placement tables, an elliptical cam is arranged at the output end of the rotating device and horizontally arranged, the rotating device drives the elliptical cam to rotate around the central axis, two sides of the rotating device are respectively provided with a fixed seat board, sliding rods are arranged on the fixed seat boards in a sliding manner, the sliding rods are arranged along the arrangement direction of the workpiece placement tables, two ends of the sliding rods are respectively fixed with a first side pressing block and a second side pressing block, the first side pressing block and the second side pressing block are respectively arranged on two sides of the fixed seat board, an elastic element is arranged between the second side pressing block and the fixed seat board, the elastic element pushes the second side pressing block to elastically contact with the side surface of the elliptical cam, and one side of each workpiece placement table far away from the first side pressing block is provided with a first stop block.

In the double-station positioning mechanism, the elliptical cam is driven to rotate around the central axis of the elliptical cam through the rotating device, so that two second side pressing blocks on two sides are synchronously pushed, and then the workpiece is pushed to move to a designated position through the first side pressing block, so that the workpiece on two workpiece placement tables is positioned in the X direction, the number of positioning mechanisms is reduced, the number of parts on the workbench is reduced, the equipment control logic is simplified, and the equipment cost is reduced; and the workpiece is pushed through the elliptical cam, so that the structure is simple, the design is ingenious, and the positioning action is quick and reliable. The arrangement direction of the two workpiece placement tables is defined as the X direction of the workbench, and the arrangement direction of the two workpiece placement tables is defined as the Y direction of the workbench.

As an improvement of the double-station positioning mechanism, the workpiece placing table comprises a bottom plate and supporting bars which are arranged on the top surface of the bottom plate at intervals, and the top surfaces of the supporting bars are flush.

Further, the supporting strips are arranged along the arrangement direction perpendicular to the workpiece placing table, and grooves are formed in the top surfaces of the supporting strips at intervals.

Through the support bar and the groove structure on the support bar, the contact area between the bottom surface of the workpiece and the workpiece placing table is reduced, the friction resistance of the positioning mechanism when pushing the workpiece is reduced, the workpiece can be easily pushed, and the surface friction damage to the workpiece is also reduced.

As another improvement of the double-station positioning mechanism, a third side pressing block is respectively arranged on the side parts of the two workpiece placing tables along the direction vertical to the arrangement direction of the workpiece placing tables, the two third side pressing blocks are both arranged on the workbench in a sliding manner, a connecting plate is arranged between the two third side pressing blocks, a moving device is arranged at the bottom of one third side pressing block and is arranged on the workbench and used for driving the third side pressing blocks to synchronously move along the direction vertical to the arrangement direction of the workpiece placing tables, and a second stop block is arranged on one side, far away from the third side pressing block, of each workpiece placing table.

The two third side pressing blocks are synchronously pushed to move by the moving device, so that the workpiece Y-direction positioning is realized, the integration and simplification of the positioning mechanism are realized, and the whole structure is simple and efficient.

Further, the moving device comprises a linear cylinder and a connecting block, wherein the linear cylinder is arranged on the bottom surface of the workbench, the connecting block is vertically arranged, and two ends of the connecting block are fixedly connected with the output end of the linear cylinder and one third side pressing block respectively. The cylinder drives the motion rapidly and reflects the block.

Further, a carriage seat is arranged at the bottom of the third side pressing block, sliding rails are arranged at two ends of the carriage seat, and the sliding rails are arranged on the surface of the workbench along the arrangement direction of the workpiece placing table. The carriage seat is arranged on the workbench in a sliding way through the sliding rail, and the linear motion precision is high and the motion is stable.

In summary, by adopting the double-station positioning mechanism, the positioning mechanisms of the two stations are integrated and simplified, one positioning mechanism is not required to be correspondingly arranged on each station, and the equipment and tooling cost is reduced.

Drawings

In the drawings:

FIG. 1 is an overall view of the dual-station positioning mechanism of the present utility model.

FIG. 2 is a schematic view of the dual-station positioning mechanism of the present utility model after placement of a workpiece.

Fig. 3 is a diagram showing the structure of a rotating device of the double-station positioning mechanism of the present utility model.

Fig. 4 is a diagram showing a structure of a mobile device of a double-station positioning mechanism according to the present utility model.

Reference numerals illustrate: 1-a workbench; 11-notch; 2-a workpiece placement table; 21-a bottom plate; 22-supporting bars; 23-grooves; 3-rotating means; 4-elliptical cams; 5-fixing the seat board; 51-a sliding rod; 52-a first side compact; 53-second side compacts; 54-an elastic element; 61-a first stop; 62-a second stop; 7-a third side compact; 71-connecting plates; 72-a carriage base; 73-sliding rails; 8-a mobile device; 81-a linear cylinder; 82-connecting blocks; 83-buffer.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model.

Figures 1-4 illustrate a dual-position positioning mechanism of the present utility model. As shown in fig. 1-3, the double-station positioning mechanism comprises a workbench 1, two workpiece placement tables 2 are arranged on the workbench 1 at intervals side by side, a rotating device 3 is arranged between the two workpiece placement tables 2, an elliptical cam 4 is arranged at the output end of the rotating device 3, the elliptical cam 4 is horizontally arranged, the rotating device 3 drives the elliptical cam 4 to rotate around the central axis, two sides of the rotating device 3 are respectively provided with a fixed seat board 5, a sliding rod 51 is arranged on the fixed seat board 5 in a sliding manner, the sliding rod 51 is arranged along the arrangement direction of the workpiece placement tables 2, two ends of the sliding rod 51 are respectively fixed with a first side pressing block 52 and a second side pressing block 53, the first side pressing block 52 and the second side pressing block 53 are respectively arranged on two sides of the fixed seat board 5, an elastic element 54 is arranged between the second side pressing block 53 and the fixed seat board 5, the elastic element 54 pushes the second side pressing block 53 to elastically contact against the side of the elliptical cam 4, and one side of each workpiece placement table 2, which is far from the first side pressing block 52, is provided with a first stop block 61.

As shown in fig. 3, the turning device 3 employs a rotary cylinder fixed to the surface of the table 1. The first side pressing block 52, the second side pressing block 53 and the fixed seat board 5 are all of plate-shaped structures which are vertically arranged, the first side pressing block 52 is arranged on one side of the fixed seat board 5, which is close to the workpiece placing table 2, and is used for pushing the workpiece on the workpiece placing table 2 to a designated position, and the second side pressing block 53 is arranged on one side of the fixed seat board 5, which is far away from the workpiece placing table 2, and is used for receiving the thrust of the elliptical cam 4. The sliding rod 51 has two, horizontally arranged, and the guiding is more stable.

Alternatively, the elastic member 54 is a spring, which is sleeved on the outer side of the slide rod 51, and the spring is kept in a compressed state to provide an elastic force. The elliptical cam 4 is in an elliptical plate shape, in the process of horizontally rotating around the central axis of the elliptical cam, the distance between the two second side pressing blocks 53 continuously changes between the long axis and the short axis of the ellipse due to the action of the elastic element 54, when the length of the long axis is equal to that of the long axis, the second side pressing blocks 53 finish pushing the workpiece to be positioned, and after the workpiece is taken out, the distance is equal to that of the short axis, and the second side pressing blocks 53 reset.

Optionally, the first stop 61 is disposed directly opposite the first side block 52. The workpiece is a plate-shaped heat insulation pad, the heights of the first stop block 61 and the first side pressing block 52 are higher than the height of the placed workpiece, and the first side pressing block 52 pushes the workpiece to move horizontally and then to reach a position in contact with and propped against the first stop block 61, so that X-direction positioning is realized.

As shown in fig. 1, the work placement table 2 includes a bottom plate 21 and support bars 22 provided at intervals on the top surface of the bottom plate 21, the top surfaces of the support bars 22 being flush. The support bars 22 are arranged in the direction perpendicular to the arrangement direction of the workpiece placement table 2, and grooves 23 are provided at intervals on the top surface of the support bars 22. The contact area between the bottom surface of the workpiece and the workpiece placing table 2 is reduced, and the friction resistance of pushing during positioning is reduced.

As shown in fig. 1 and 2, along the arrangement direction of the vertical workpiece placement table 2, a third side pressing block 7 is respectively provided at the side parts of the two workpiece placement tables 2, the two third side pressing blocks 7 are slidably provided on the workbench 1, and a connecting plate 71 is provided therebetween, wherein the bottom of one third side pressing block 7 is provided with a moving device 8, the moving device 8 is provided on the workbench 1 and is used for driving the third side pressing block 7 to synchronously move along the arrangement direction of the vertical workpiece placement table 2, and a second stop block 62 is provided at one side of each workpiece placement table 2 far away from the third side pressing block 7. The moving device 8 pushes the third side pressing block 7 to move along the Y direction, so that the workpiece is pushed to a position in contact with and propped against the second stop block 62, and Y-direction positioning is realized.

As shown in fig. 4, the moving device 8 includes a linear cylinder 81 and a connecting block 82, the linear cylinder 81 is provided on the bottom surface of the table 1, the connecting block 82 is vertically arranged, and both ends are fixedly connected with the output end of the linear cylinder 81 and a third side pressing block 7, respectively. The position of the workbench 1 corresponding to the connecting block 82 is provided with a notch 11, and the notch 11 is used for providing a space required by the movement of the connecting block 82.

Optionally, a buffer 83 is provided on the connection block 82, and a buffer end of the buffer 83 is aligned with a bottom side surface of the notch 11. When the linear cylinder 81 pushes the third side pressing block 7 to move towards the second stop block 62, the buffer 83 contacts with the side surface of the bottom of the notch 11, and gradually limits the third side pressing block 7 to move continuously, so that the thrust force received by the workpiece is reduced when the workpiece is about to contact with the second stop block 62, and the workpiece is prevented from being damaged by collision.

As shown in fig. 1, the bottom of the third side pressing block 7 is provided with a carriage base 72, both ends of the carriage base 72 are provided with slide rails 73, and the slide rails 73 are provided on the surface of the table 1 along the direction perpendicular to the arrangement direction of the workpiece placement table 2.

The movement of the third side pressing block 7 is guided by the slide rail 73, and the movement accuracy is improved. Optionally, a baffle is arranged on one side of the sliding rail 73 close to the edge of the workbench 1, and limiting is performed when the third side pressing block 7 is reset.

When the Y-direction positioning device is used, after the heat insulation pad workpieces are placed on the top surfaces of the support bars 22, the linear air cylinders 81 act, the connecting plates 71 drive the two third side pressing blocks 7 to move, and the workpieces on the two workpiece placing tables 2 are synchronously pushed to the positions attached to the corresponding second stop blocks 62, so that Y-direction positioning is completed; then the rotary cylinder acts to rotate the elliptical cam 4, so that the distance between the two second side pressing blocks 53 on two sides is equal to the long axis of the ellipse, and the first side pressing block 52 pushes the workpiece to move to a position attached to the first stop block 61, and X-direction positioning is realized; resetting to an initial state after the workpiece is taken away: the third side pressing pieces 7 are moved to the end of the slide rail 73 away from the second stopper 62, and the distance between the two second side pressing pieces 53 is the minor axis length of the ellipse. The integration and simplification of the positioning mechanisms of the two stations are realized, the number of parts on the workbench 1 is small, and the control is simple.

Finally, it should be noted that: the foregoing embodiments are merely for illustrating the technical aspects of the present utility model and not for limiting the scope thereof, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes, modifications or equivalents may be made to the specific embodiments of the present utility model after reading the present utility model, and these changes, modifications or equivalents are within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a duplex position positioning mechanism, its characterized in that includes workstation (1), workstation (1) is last to be provided with two work piece placing table (2) side by side at intervals, two be provided with rotation device (3) between work piece placing table (2), the output of rotation device (3) is provided with oval cam (4), oval cam (4) level arrangement, just rotation device (3) drive oval cam (4) walk around the axis rotation in center, the both sides of rotation device (3) set up a fixed bedplate (5) respectively, fixed bedplate (5) are last to slide and are provided with slide bar (51), slide bar (51) are arranged along the range direction of work piece placing table (2), the both ends of slide bar (51) are fixed with first side briquetting (52) and second side briquetting (53) respectively, first side briquetting (52) and second side briquetting (53) are located respectively the both sides of fixed bedplate (5), second side briquetting (53) with fixed between (5) the axis rotation, elastic element (54) are provided with between elastic element (54) and elastic element (4) offset side face, a first stop block (61) is arranged on one side, away from the first side pressing block (52), of each workpiece placing table (2).

2. A double-station positioning mechanism according to claim 1, characterized in that the workpiece placement table (2) comprises a bottom plate (21) and support bars (22) arranged on the top surface of the bottom plate (21) at intervals, the top surfaces of the support bars (22) being flush.

3. A double-station positioning mechanism according to claim 2, characterized in that the support bars (22) are arranged in a direction perpendicular to the arrangement direction of the work placement table (2), and grooves (23) are provided at intervals on the top surface of the support bars (22).

4. A double-station positioning mechanism according to claim 1, characterized in that the rotating means (3) employs a rotary cylinder fixed on the surface of the table (1).

5. A double-station positioning mechanism according to claim 1, characterized in that the elastic element (54) is a spring, which is sleeved outside the sliding rod (51).

6. The double-station positioning mechanism according to claim 1, wherein the first stopper (61) is disposed directly opposite to the first side pressing block (52).

7. Double-station positioning mechanism according to claim 1, characterized in that a third side press block (7) is respectively arranged on the side parts of two workpiece placement tables (2) along the arrangement direction perpendicular to the workpiece placement tables (2), the two third side press blocks (7) are both arranged on the workbench (1) in a sliding manner, a connecting plate (71) is arranged between the two third side press blocks, a moving device (8) is arranged at the bottom of one third side press block (7), the moving device (8) is arranged on the workbench (1) and is used for driving the third side press blocks (7) to synchronously move along the arrangement direction perpendicular to the workpiece placement tables (2), and a second stop block (62) is arranged on one side, far away from the third side press block (7), of each workpiece placement table (2).

8. The double-station positioning mechanism according to claim 7, wherein the moving device (8) comprises a linear cylinder (81) and a connecting block (82), the linear cylinder (81) is arranged on the bottom surface of the workbench (1), the connecting block (82) is vertically arranged, and two ends of the connecting block are fixedly connected with the output end of the linear cylinder (81) and one third side pressing block (7) respectively.

9. The double-station positioning mechanism according to claim 8, wherein a notch (11) is arranged at the position of the workbench (1) corresponding to the connecting block (82), and the notch (11) is used for providing space required for moving the connecting block (82).

10. The double-station positioning mechanism according to claim 7, wherein a carriage base (72) is arranged at the bottom of the third side pressing block (7), sliding rails (73) are arranged at two ends of the carriage base (72), and the sliding rails (73) are arranged on the surface of the workbench (1).