CN218135564U

CN218135564U - Secondary positioning device for brazing

Info

Publication number: CN218135564U
Application number: CN202221817921.3U
Authority: CN
Inventors: 郭凯迪; 蔡得领; 金罕
Original assignee: Zhejiang Wahaha Intelligent Robot Co ltd
Current assignee: Zhejiang Wahaha Intelligent Robot Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-27
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a secondary positioner is used in brazing, including base plate and location portion, location portion is including being used for carrying out the first location portion of width direction location and being used for carrying out the second location portion of center location to the product, first location portion sets up the top at the base plate, be equipped with the through-hole that is used for wearing to establish second location portion on the base plate. The utility model provides a braze and use secondary positioning device realizes that the work piece can be more accurate in X, Y direction, and the tongs snatchs the work piece more accurate.

Description

Secondary positioning device for brazing

Technical Field

The utility model belongs to the technical field of the location technique of brazing and specifically relates to a secondary positioning device is used to braze.

Background

In the blade brazing process, workpiece errors caused by unavoidable factors such as production, manufacturing, installation, deformation and vibration and errors of the workpiece in the X direction and the Y direction in the coating process cause that a gripper cannot accurately grab the workpiece, after the system starts to work, the robot firstly uses a secondary gripper clamp to grab the workpiece, and the gripper grabs the workpiece and finds that the workpiece position X, Y has deviation in the direction when the gripper grabs the workpiece in the coating process, so that in addition to absolute error calibration required for a delivery mechanical arm, one essential operation in the production link of a brazing workstation is secondary calibration of the workpiece to be processed, the stability of the workpiece in the processing process is ensured, and the working efficiency and the working quality are improved.

The existing secondary positioning device for brazing can not perform secondary positioning on a workpiece to be machined, so that the grabbing of the workpiece by the grabbing hand is not accurate enough, and the next procedure and system compensation errors can not be paved.

For example, a "positioning tool applied to cooler brazing" disclosed in chinese patent literature, publication No. CN211276882U thereof includes a table, a positioning shaft, a positioning pin, a first brazing sheet, a built-in positioning block, a second brazing sheet, and a clamping mechanism; the positioning shaft and the positioning pin are detachably fixed on the workbench; the first brazing plate and the second brazing plate are sleeved on the positioning shaft; two sides of the built-in positioning block are provided with notches which symmetrically contract inwards; the clamping mechanism is movably arranged at the end parts of the first brazing sheet and the second brazing sheet. The defects that the tray cannot be clamped, the workpiece to be processed is not secondarily positioned, and the workpiece is not accurately grabbed by the gripper.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming among the prior art brazing with secondary positioner can not treat processing work piece carry out the secondary location, lead to the tongs to snatch the not accurate enough problem of work piece, provide a brazing with secondary positioner, realize that the work piece can be more accurate in X, Y direction, the tongs snatchs the work piece more accurate.

In order to realize the purpose, the utility model adopts the following technical scheme:

the secondary positioning device for brazing comprises a substrate and a positioning part, wherein the positioning part comprises a first positioning part and a second positioning part, the first positioning part is used for positioning a product in the width direction, the second positioning part is used for centering the product, the first positioning part is arranged above the substrate, and a through hole for penetrating the second positioning part is formed in the substrate. This scheme's secondary positioner for brazing comprises base plate and these two parts of location portion, because the product is not regular shape, the shape of location portion is formulated according to the appearance of product, for better laminating product, put the product on the location platform, the first location portion that sets up the upper surface at the base plate is used for carrying out width direction (X direction) location to the product, second location portion is used for carrying out central point to the product (Y direction), the through-hole of base plate is used for wearing to establish second location portion, the size of through-hole is greater than the width of second location portion, be convenient for second location portion and base plate relative movement.

Preferably, the first positioning portion comprises a fixed claw and a movable positioning block, the fixed claw is parallel to the movable positioning block in the length direction, and one side, far away from the fixed claw, of the movable positioning block is connected with the first cylinder. The fixed claw is a reference and a positioning surface, and the movable positioning block clamps a product under the action of the first cylinder to position the product close to the edge.

Preferably, the second positioning part comprises a limiting claw and a clamping claw arm, the limiting claw is fixedly arranged on the inner side of the upper part of the clamping claw arm, the limiting claw is arranged above the substrate, and the lower end of the clamping claw arm is connected with a cylinder connecting plate used for connecting a second cylinder. The second cylinder drives the gripper arm to move towards the center synchronously, a pair of limiting claws which are fixedly arranged on the inner side of the upper portion of the gripper arm are positioned towards the center synchronously, the product is positioned at the center, the product is convenient to grab by the follow-up gripper, and the first cylinder and the second cylinder are connected with the master controller and are convenient to control.

Preferably, the number of the cylinder connecting plates is two, and a pair of the cylinder connecting plates extend along the direction of the inner side of the clamping jaw arm. The quantity of cylinder connecting plate, clamping jaw arm and spacing claw is two, conveniently carries out the center location to the product, and a pair of cylinder connecting plate extends the connection that makes things convenient for the locating piece along the inboard direction of clamping jaw arm.

Preferably, the clamping claw arm is fixedly connected with the cylinder connecting plate through a connecting block. The lower extreme of gripper arm inlays to be established in the cylinder connecting plate, and gripper arm and cylinder connecting plate are arranged perpendicularly, and the connecting block of inboard perpendicular is fixed.

Preferably, an inclined plane for facilitating the clamping of the product and a bump for limiting the product are arranged on one side, far away from the clamping claw arm, of the limiting claw. The inclined plane on one side of the limiting claw, which is far away from the claw clamping arm, is convenient for better product fitting, so that the product is positioned more firmly, the lug above the inclined plane clamps the upper end of the product to limit the product in the vertical direction, and the limiting claw is prevented from moving inwards to extrude the product when the central positioning is carried out.

Preferably, a groove for positioning the limiting claw is formed in one side, close to the claw clamping arm, of the limiting claw. The groove on one side of the limiting claw close to the claw clamping arm is used for positioning the limiting claw.

Preferably, a positioning block is fixedly arranged on the lower surface of the cylinder connecting plate.

Preferably, support columns are fixedly arranged on two sides of the lower surface of the substrate. The fixed support column that is equipped with in lower surface both sides of base plate is used for supporting the base plate, is convenient for adjust the height of base plate, grabs away the product after the material loading of product and the secondary location before making things convenient for the secondary location.

The utility model discloses following beneficial effect has: (1) The workpiece can be more accurately gripped in the X, Y direction, and the gripper can grip the workpiece more accurately; (2) The inclined plane on one side of the limiting claw, which is far away from the claw clamping arm, is convenient to attach to a product conveniently and better, so that the product is positioned more firmly, the upper end of the product is clamped by the lug above the inclined plane, the product is limited in the vertical direction, and the limiting claw is prevented from moving inwards to extrude the product when the center is positioned; (3) The support columns fixedly arranged on two sides of the lower surface of the base plate are used for supporting the base plate, so that the height of the base plate can be conveniently adjusted, and the product can be conveniently grabbed away after the feeding and secondary positioning of the product before the secondary positioning.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the structure of the present invention;

fig. 3 is a front view of the structure of the present invention;

fig. 4 is a schematic structural view of the middle limiting claw of the present invention.

In the figure: base plate 1, through-hole 1.1, location portion 2, first location portion 2.1, second location portion 2.2, stationary dog 3, movable positioning piece 4, first cylinder 5.1, second cylinder 5.2, spacing claw 6, clamping jaw arm 7, cylinder connecting plate 8, connecting block 9, inclined plane 10, lug 11, recess 12, locating piece 13, support column 14.

Detailed Description

The invention is further described with reference to the following figures and examples.

The first embodiment is as follows:

as shown in fig. 1, 2 or 3, a secondary positioning device for brazing includes a substrate 1 and a positioning portion 2, the positioning portion 2 includes a first positioning portion 2.1 for performing width direction positioning on a product and a second positioning portion 2.2 for performing center positioning on the product, the first positioning portion 2.1 is disposed above the substrate 1, a through hole 1.1 for penetrating the second positioning portion 2.2 is disposed on the substrate 1, the first positioning portion 2.1 includes a fixed claw 3 and a movable positioning block 4, the fixed claw 3 is parallel to the length direction of the movable positioning block 4, one side of the movable positioning block 4 away from the fixed claw 3 is connected with the first cylinder 5.1, the second positioning portion 2.2 includes a limiting claw 6 and a clamping claw arm 7, the limiting claw 6 is fixedly disposed on the inner side of the upper portion of the clamping claw arm 7, the limiting claw 6 is disposed above the substrate 1, the lower end of the clamping claw arm 7 is connected with a cylinder 8 for connecting the second cylinder 5.2, the number of the cylinder connecting plates 8 is two, a pair of cylinder connecting plates 8 is disposed along the direction of the inner side of the clamping claw arm 7, and the clamping claw arm is connected with the fixed connecting plate 8 through a connecting block 9. The lower surface of the cylinder connecting plate 8 is fixedly provided with a positioning block 13, and two sides of the lower surface of the base plate 1 are fixedly provided with supporting columns 14.

Among the above-mentioned technical scheme, braze with secondary positioner by base plate 1 and location portion 2 two parts constitute, because the product is not regular shape, spacing claw 6's shape is formulated according to the appearance of product, for better laminating product, put the product on the locating table, first location portion 2.1 that sets up at the upper surface of base plate 1 is used for carrying out width direction (X direction) location to the product, second location portion 2.2 is used for carrying out the center location (Y direction) to the product, through-hole 1.1 of base plate 1 is used for wearing to establish second location portion 2.2, the size of through-hole 1.1 is greater than the width of second location portion 2.2, be convenient for second location portion 2.2 and base plate 1 relative movement. The fixed jaw 3 is the benchmark, the locating surface, the product is cliied under the effect of first cylinder 5.1 to movable positioning piece 4, lean on the limit location to the product, second cylinder 5.2 drives clamping jaw arm 7 and moves toward the central point in step, a pair of spacing claw 6 of fixed setting in the inboard upper portion of clamping jaw arm 7 is synchronous toward the central point location, carry out the central point location to the product, make things convenient for follow-up tongs to grab away the product, first cylinder 5.1 and second cylinder all are connected with total controller, conveniently control. The quantity of cylinder connecting plate 8, clamping jaw arm 7 and spacing claw 6 is two, conveniently carries out the center location to the product, and a pair of cylinder connecting plate 8 extends the connection that makes things convenient for locating piece 13 along the inboard direction of clamping jaw arm 7, and the lower extreme of clamping jaw arm 7 inlays to be established in cylinder connecting plate 8, and clamping jaw arm 7 arranges with cylinder connecting plate 8 is perpendicular, and the connecting block 9 of inboard perpendicular is fixed. The supporting columns 14 fixedly arranged on two sides of the lower surface of the substrate 1 are used for supporting the substrate 1, so that the height of the substrate 1 can be conveniently adjusted, and the product can be conveniently grabbed away after the feeding and secondary positioning of the product before the secondary positioning.

The second embodiment is as follows:

as shown in fig. 4, on the basis of embodiment 1, an inclined surface 10 for facilitating product insertion and a projection 11 for limiting a product are provided on one side of the limiting claw 6 away from the claw arm 7, and a groove 12 for positioning the limiting claw 6 is provided on one side of the limiting claw 6 close to the claw arm 7.

Among the above-mentioned technical scheme, the inclined plane 10 of keeping away from one side of gripper arm 7 on spacing claw 6 makes things convenient for better laminating product, makes the product location more firm, and the lug 11 of inclined plane 10 top blocks the upper end of product, carries out the spacing of vertical direction to the product, and spacing claw 6 inwards moves when preventing the center location extrudes the product, and the recess 12 that is close to one side of gripper arm 7 on spacing claw 6 is used for spacing claw 6 location.

The utility model discloses following beneficial effect has: the workpiece can be more accurately gripped in the X, Y direction, and the gripper can grip the workpiece more accurately; the inclined plane on one side of the limiting claw, which is far away from the claw clamping arm, is convenient to attach a product conveniently and better, so that the product is positioned more firmly, the lug above the inclined plane clamps the upper end of the product to limit the product in the vertical direction, and the limiting claw is prevented from moving inwards to extrude the product when the central positioning is performed; the fixed support column that is equipped with in lower surface both sides of base plate is used for supporting the base plate, is convenient for adjust the height of base plate, grabs away the product after the material loading of product and the secondary location before making things convenient for the secondary location.

Claims

1. The secondary positioning device for brazing comprises a base plate (1) and a positioning part (2), and is characterized in that the positioning part (2) comprises a first positioning part (2.1) used for positioning a product in the width direction and a second positioning part (2.2) used for performing center positioning on the product, the first positioning part (2.1) is arranged above the base plate (1), and a through hole (1.1) used for penetrating the second positioning part (2.2) is formed in the base plate (1).

2. The secondary positioning device for brazing according to claim 1, wherein the first positioning portion (2.1) comprises a fixed claw (3) and a movable positioning block (4), the fixed claw (3) and the movable positioning block (4) are parallel to each other in the length direction, and one side of the movable positioning block (4) far away from the fixed claw (3) is connected with the first cylinder (5.1).

3. The secondary positioning device for brazing according to claim 1, wherein the second positioning part (2.2) comprises a limiting claw (6) and a clamping claw arm (7), the limiting claw (6) is fixedly arranged on the inner side of the upper part of the clamping claw arm (7), the limiting claw (6) is arranged above the base plate (1), and the lower end of the clamping claw arm (7) is connected with a cylinder connecting plate (8) for connecting a second cylinder (5.2).

4. A secondary positioning device for brazing according to claim 3, wherein the number of the cylinder connecting plates (8) is two, and a pair of the cylinder connecting plates (8) is arranged extending in the direction of the inside of the gripper arms (7).

5. The secondary positioning device for brazing as recited in claim 3, characterized in that the gripper arms (7) are fixedly connected with the cylinder connecting plate (8) through connecting blocks (9).

6. The secondary positioning device for brazing as claimed in claim 3, 4 or 5, wherein a slope (10) for facilitating the product to be clamped and a bump (11) for limiting the product are arranged on one side of the limiting claw (6) far away from the claw arm (7).

7. The secondary positioning device for brazing as claimed in claim 3, 4 or 5, wherein a groove (12) for positioning the limiting claw (6) is formed on one side of the limiting claw (6) close to the claw arm (7).

8. The secondary positioning device for brazing according to claim 3, 4 or 5, wherein a positioning block (13) is fixedly arranged on the lower surface of the cylinder connecting plate (8).

9. The secondary positioning device for brazing according to claim 1, wherein supporting columns (14) are fixedly arranged on two sides of the lower surface of the base plate (1).