CN217552183U

CN217552183U - Clapper positioning device

Info

Publication number: CN217552183U
Application number: CN202220818164.5U
Authority: CN
Inventors: 陈志森; 林潇俊; 陈国栋; 吕洪杰; 杨朝辉
Original assignee: Shenzhen Hans CNC Technology Co Ltd
Current assignee: Shenzhen Hans CNC Technology Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-10-11
Anticipated expiration: 2032-04-08

Abstract

The utility model belongs to the technical field of circuit board processing, in particular to a clapper positioning device, which comprises a workbench, a positioning component, a clapper component and a clapper driving component; the positioning assembly is arranged on the workbench, the clapper assembly is connected to the clapper driving assembly, and the clapper driving assembly is used for driving the clapper assembly to move in a direction close to or far away from the positioning assembly; the clapper component comprises a moving plate and a plurality of eccentric pins, wherein the section of one side of each eccentric pin, which is close to the plate, forms a reference surface, and the eccentric pins can be in contact with the same side surface of the plate. The utility model discloses when well movable plate has machining error and installation error, it is a plurality of through the adjustment the eccentric pin can offset the error of movable plate to guarantee the adjustment required precision of the position of sheet material, adjustment process is simple swift.

Description

Clapper positioning device

Technical Field

The utility model belongs to the technical field of the processing of PCB circuit board, especially, relate to a clapper positioner.

Background

In the production process of the PCB, a positioning structure for adjusting the position of a workpiece is often needed to place the workpiece according to a specified posture and position so as to prepare for the workpiece to enter the next station.

The existing positioning structure is generally a combination of an air cylinder and a positioning pin for adjusting the position of a workpiece. However, when the position of the workpiece needs to be adjusted, the position of the whole cylinder often needs to be adjusted to meet the requirements of the position and the precision of the workpiece, and the positioning structure is complex in adjustment operation and low in efficiency.

Therefore, a novel positioning structure with convenient adjustment and operation and high positioning precision is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to current location structure need adjust the position and the precision demand that satisfy the work piece to the position of whole cylinder, adjust complex operation's problem, provide a clapper positioner.

In order to solve the technical problem, an embodiment of the present invention provides a clapper positioning device, which includes a workbench, a positioning assembly, a clapper assembly and a clapper driving assembly;

the positioning assembly is mounted on the workbench, the clapper assembly is connected to the clapper driving assembly, the clapper driving assembly is used for driving the clapper assembly to move in a direction close to or far away from the positioning assembly, and a region of the workbench, which is located between the positioning assembly and the clapper assembly, is used for placing plates;

the clapper component comprises a moving plate and a plurality of eccentric pins arranged on the moving plate, pin holes are formed in the moving plate, mounting holes are formed in the eccentric pins, the central axes of the eccentric pins and the central axes of the mounting holes are not collinear and are parallel to each other, the central axes of the mounting holes and the central axes of the pin holes are collinear, the tangent planes of the eccentric pins close to one side of a plate are located in the same plane to form a reference plane, and the eccentric pins can be in contact with the same side face of the plate.

Optionally, an included angle between the plane where the moving plate is located and the reference plane is 0 to 5 °.

Optionally, the pin hole and the mounting hole are connected by a screw.

Optionally, the workbench is provided with a plurality of moving grooves, and each eccentric pin can enter or leave the corresponding moving groove.

Optionally, the positioning assembly includes a plurality of first fixed cylindrical pins and a plurality of second fixed cylindrical pins, the plurality of first fixed cylindrical pins are arranged at intervals along an X-axis direction, the plurality of second fixed cylindrical pins are arranged at intervals along a Y-axis direction, and the first fixed cylindrical pins and the second fixed cylindrical pins are respectively abutted to two adjacent edges of the sheet material.

Optionally, the moving plate comprises a first plate and a second plate, the eccentric pin comprises a first moving cylindrical pin and a second moving cylindrical pin, the first plate is provided with a plurality of the first moving cylindrical pins, the second plate is provided with a plurality of the second moving cylindrical pins, and the clapper driving assembly comprises an X-axis driving assembly and a Y-axis driving assembly;

the X-axis driving assembly drives the first plate to move in the direction close to or far away from the second fixing cylindrical pin, and the Y-axis driving assembly drives the second plate to move in the direction close to or far away from the first fixing cylindrical pin.

Optionally, the X-axis driving assembly includes a first servo motor, a first lead screw and a first connecting plate, the first servo motor is installed on the lower surface of the workbench, the first lead screw is connected to the first servo motor, the first servo motor can drive the first connecting plate to move via the first lead screw, and the first connecting plate is connected to the first plate.

Optionally, the Y-axis driving assembly includes a second servo motor, a second lead screw and a second connecting plate, the second servo motor is installed on the lower surface of the workbench, the second lead screw is connected to the second servo motor, the second servo motor can drive the second connecting plate to move via the second lead screw, and the second connecting plate is connected to the second plate.

Optionally, the clapper positioning device further comprises a first in-position sensor mounted on the first plate and a second in-position sensor mounted on the second plate.

Optionally, be provided with a plurality of gas pockets on the workstation, when passing through the malleation wind in the gas pocket, make the sheet material of workstation top is in the suspended state, when passing through the negative pressure wind in the gas pocket, the sheet material can be adsorbed to the upper surface of workstation.

The embodiment of the utility model provides an among the clapper positioner, the central axis of eccentric round pin with the central axis of mounting hole is the collineation not and is parallel to each other, the eccentric round pin is eccentric component, with the central axis of mounting hole is rotatory for the axis during the eccentric round pin, can adjust each the rotation angle of eccentric round pin, thereby make a plurality of the reference surface that the eccentric round pin formed with nonparallel between one side edge of movable plate when the movable plate has machining error and installation error, it is a plurality of through adjusting the eccentric round pin can offset the error of movable plate to guarantee the adjustment required precision of the position of sheet material, adjustment process is simple swift.

Drawings

Fig. 1 is a schematic view of a clapper positioning device according to an embodiment of the present invention;

fig. 2 is a schematic top view of a clapper positioning device according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of a clapper positioning device according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view at A of FIG. 2;

fig. 5 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4.

The reference numerals in the specification are as follows:

1. a work table; 11. a moving groove; 12. air holes;

21. a first stationary cylindrical pin; 22. a second stationary cylindrical pin;

31. a pin hole; 321. a first plate member; 322. a second plate member; 331. a first moving cylindrical pin; 332. a second moving cylindrical pin; 34. mounting holes;

41. a first servo motor; 42. a first connecting plate; 43. a first linear guide rail; 44. an X-axis negative limit sensor; 45. an X-axis positive limit sensor;

51. a second servo motor; 52. a second connecting plate; 53. a second linear guide; 54. a Y-axis negative limit sensor; 55. a Y-axis positive limit sensor;

6. a first in-position sensor;

7. a second in-position sensor.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a clapper positioning device, which includes a positioning assembly, a clapper assembly and a clapper driving assembly. The positioning assembly is installed on a workbench 1 used for placing plates, the positioning assembly is used for positioning the plates, the clapper assembly is connected to the clapper driving assembly, the clapper driving assembly is used for driving the clapper assembly to move in the direction close to or far away from the positioning assembly, the area, located between the positioning assembly and the clapper assembly, of the workbench 1 is used for placing the plates, and the clapper driving assembly drives the clapper assembly to move so as to push the plates to move and enable the plates to be positioned between the positioning assembly and the clapper assembly.

The clapper component comprises a moving plate and a plurality of eccentric pins arranged on the moving plate, the eccentric pins are arranged on the same straight line, the tangent planes of one sides, close to the plate, of the eccentric pins are located in the same plane to form a reference plane, the eccentric pins can be in contact with the same side face of the plate, the clapper driving component can drive the moving plate to move, the eccentric pins move along with the moving plate, the eccentric pins are abutted to the plate, the reference plane can be overlapped with the edge of the plate, and the plate is pushed to move by the eccentric pins.

The embodiment of the utility model provides an among the clapper positioner, the central axis of eccentric round pin is not the collineation and is parallel to each other with the central axis of mounting hole 34, the eccentric round pin is eccentric component, when the central axis of mounting hole 34 is the rotatory eccentric round pin of axis, adjust the rotation angle of each eccentric round pin, nonparallel between reference surface that can make a plurality of eccentric round pins form and the movable plate, when the movable plate has machining error and installation error, can offset the error of movable plate through adjusting a plurality of eccentric rounds pins, thereby guarantee the adjustment required precision of the position of sheet material, the adjustment process is simple swift.

When the plate is adjusted in the existing positioning mechanism, the position of the whole cylinder needs to be adjusted to meet the requirements of the position and the precision of a workpiece, in the process of adjusting the cylinder, a screw is repeatedly detached, the defects of thread slipping and the like are easily caused, the whole mechanism is failed, and the cost is wasted.

In one embodiment, the moving plate is provided with a pin hole 31, the eccentric pin is provided with a mounting hole 34, the eccentric pin can be mounted on the moving plate through the mounting hole 34 and the pin hole 31, the central axis of the eccentric pin is not collinear with the central axis of the mounting hole 34 and is parallel to the central axis of the mounting hole 34, and the central axis of the mounting hole 34 is collinear with the central axis of the pin hole 31, namely, the mounting hole 34 is aligned with the pin hole 31.

The movable plate has machining errors during machining and installation errors during installation, so that the movable plate is inclined, the position of the plate cannot be adjusted in place when the plate is pushed, the installation hole 34 in the eccentric pin is not arranged on the central axis of the eccentric pin and is an eccentric hole, and the eccentric pin can absorb the errors of the movable plate.

Specifically, on the cross section of the eccentric pin, the position of the outer surface of the eccentric pin, which is closest to the central axis of the mounting hole 34, is a first position, and the position of the outer surface of the eccentric pin, which is farthest from the central axis of the mounting hole 34, is a second position, so that when the eccentric pin is rotated by the central axis of the mounting hole 34, the moving plate is kept still, and from the first position to the second position, the distance between one side of the eccentric pin, which is close to the plate, and the edge of the plate is gradually reduced.

In one embodiment, the angle between the plane of the moving plate and the reference plane is 0-5 °. When the moving plate has no error, the included angle between the plane where the moving plate is located and the reference plane is adjusted to be 0 degree, at the moment, the reference plane is parallel to the moving plate, the first positions of the eccentric pins are on the same horizontal line, or the second positions of the eccentric pins are on the same horizontal line.

When the moving plate has an error, in order to correct the error of the moving plate, an included angle between a plane where the moving plate is located and a reference plane is adjusted to be not 0 degree, the size of the included angle is determined according to the error condition of the moving plate, when the included angle reaches a maximum angle of 5 degrees, the first position of the first eccentric pin is located on one side close to the plate, and the second position of the last eccentric pin is located on one side close to the plate.

As shown in fig. 5, in one embodiment, the mounting hole 34 is a stepped hole, the pin hole 31 is connected with the mounting hole 34 by a screw, an internal thread is provided in the pin hole 31, and the screw is inserted into the mounting hole 34 and the pin hole 31, so as to fixedly mount the eccentric pin on the moving plate.

As shown in fig. 1 and 2, in an embodiment, the workbench 1 is provided with a plurality of moving slots 11, and when the moving plate drives the eccentric pins to push the sheet, each eccentric pin enters or leaves the corresponding moving slot 11, so as to push the sheet to abut against the positioning assembly.

As shown in fig. 1 and 2, in an embodiment, the positioning assembly includes a plurality of first fixed cylindrical pins 21 and a plurality of second fixed cylindrical pins 22, the plurality of first fixed cylindrical pins 21 are located on the same straight line, the plurality of first fixed cylindrical pins 21 are arranged at intervals in the X-axis direction, the plurality of second fixed cylindrical pins 22 are located on the same straight line, the plurality of second fixed cylindrical pins 22 are arranged at intervals in the Y-axis direction, the first fixed cylindrical pins 21 and the second fixed cylindrical pins 22 abut against two adjacent edges of the sheet, and the first fixed cylindrical pins 21 and the second fixed cylindrical pins 22 can define the position of the sheet, so that the sheet stops moving after contacting the first fixed cylindrical pins 21 and the second fixed cylindrical pins 22 when pushing the sheet.

As shown in fig. 1 and 2, in an embodiment, the moving plate includes a first plate member 321 and a second plate member 322, the eccentric pins include a first moving cylindrical pin 331 and a second moving cylindrical pin 332, the first plate member 321 is provided with a plurality of first moving cylindrical pins 331, the second plate member 322 is provided with a plurality of second moving cylindrical pins 332, and the clapper driving assembly includes an X-axis driving assembly and a Y-axis driving assembly. The X-axis driving assembly drives the first plate 321 to move along the direction close to or far away from the second fixing cylindrical pin 22, in the X-axis direction, the first plate 321 pushes the plate to abut against the second fixing cylindrical pin 22, the Y-axis driving assembly drives the second plate 322 to move along the direction close to or far away from the first fixing cylindrical pin 21, and in the Y-axis direction, the second plate 322 pushes the plate to abut against the first fixing cylindrical pin 21, so that the workpiece is positioned in the two-dimensional direction.

As shown in fig. 3, in an embodiment, the X-axis driving assembly includes a first servo motor 41, a first lead screw and a first connecting plate 42, the first servo motor 41 is installed on the lower surface of the worktable 1, the first lead screw is connected to the first servo motor 41, the first servo motor 41 can drive the first lead screw to rotate, a nut seat capable of being sleeved on the first lead screw is arranged on the first connecting plate 42, the first servo motor 41 can drive the first connecting plate 42 to move via the first lead screw, and the first connecting plate 42 is connected to the first plate 321, so as to drive the first plate 321 to move.

In an embodiment, the workbench 1 is provided with a first linear guide 43 and a first slider (not shown in the drawings) slidably connected to the first linear guide 43, the first slider is installed on the first connecting plate 42, when the first servo motor 41 drives the first connecting plate 42 to move, the first connecting plate 42 can move along the first linear guide 43, and the first slider is slidably connected to the first linear guide 43, which is beneficial to moving the first connecting plate 42.

In an embodiment, the worktable 1 is provided with an X-axis negative limit sensor 44 and an X-axis positive limit sensor 45, the movement range of the first screw rod and the first connecting plate 42 can be limited by the X-axis negative limit sensor 44 and the X-axis positive limit sensor 45, and the movement range of the first connecting plate 42 can be increased or decreased within an effective stroke range by adjusting the installation position of the positive and negative limit sensors. By means of the limit sensor, the movement range of the first connection plate 42 can be flexibly adjusted to meet the requirements of plates of different sizes.

As shown in fig. 3, in an embodiment, the Y-axis driving assembly includes a second servo motor 51, a second lead screw and a second connecting plate 52, the second servo motor 51 is installed on the lower surface of the worktable 1, the second lead screw is connected to the second servo motor 51, the second servo motor 51 can drive the second lead screw to rotate, a nut seat capable of being sleeved on the second lead screw is arranged on the second connecting plate 52, the second servo motor 51 can drive the second connecting plate 52 to move via the second lead screw, and the second connecting plate 52 is connected to the second plate 322, so as to drive the second plate 322 to move.

In an embodiment, the workbench 1 is provided with a second linear guide 53 and a second slider (not shown in the drawings) slidably connected to the second linear guide 53, the second slider is installed on the second connecting plate 52, when the second servo motor 51 drives the second connecting plate 52 to move, the second connecting plate 52 can move along the second linear guide 53, and the second slider is slidably connected to the second linear guide 53, which is beneficial to moving the second connecting plate 52.

In an embodiment, the Y-axis negative limit sensor 54 and the Y-axis positive limit sensor 55 are disposed on the worktable 1, the Y-axis negative limit sensor 54 and the Y-axis positive limit sensor 55 can limit the movement range of the second lead screw and the second connecting plate 52, and the mounting position of the positive and negative limit sensors is adjusted to increase or decrease the movement range of the second connecting plate 52 within the effective stroke range. Through the limit sensor, the movement range of the second connecting plate 52 can be flexibly adjusted to meet the requirements of plates with different sizes.

In one embodiment, as shown in fig. 1, the clapper positioning device further comprises a first in-place sensor 6 mounted on the first plate member 321, and a second in-place sensor 7 mounted on the second plate member 322, wherein the first moving cylinder pin 331 is prevented from colliding with the moving slot 11 by the first in-place sensor 6 when the first moving cylinder pin 331 moves to the bottom of the moving slot 11 in the corresponding moving slot 11, and the second moving cylinder pin 332 is prevented from colliding with the moving slot 11 by the second in-place sensor 7 when the second moving cylinder pin 332 moves to the bottom of the moving slot 11 in the corresponding moving slot 11.

The first movable cylindrical pin 331 can also correct installation errors of the first in-place sensor 6, eliminate errors of the first in-place sensor 6 and avoid sensor feedback errors, and the second movable cylindrical pin 332 can correct installation errors of the second in-place sensor 7, eliminate errors of the second in-place sensor 7 and avoid sensor feedback errors.

As shown in fig. 1, in an embodiment, the clapper positioning device further comprises a workbench 1, a region of the workbench 1 between the positioning assembly and the clapper assembly is used for placing the plate material, a plurality of air holes 12 are arranged on the workbench 1, and preferably, an array of the air holes 12 is distributed on the whole region of the workbench 1 for placing the plate material. The air holes 12 can allow positive pressure air and negative pressure air to pass through. For the plates which are easy to damage and scratch, the position of the plates can be adjusted while the damage is reduced by controlling the air pressure in the air holes 12. After the sheet material is moved to the workbench 1, firstly, positive pressure air is blown to the sheet material through the air holes 12, so that the sheet material above the workbench 1 is in a suspension state, then, the X-axis driving assembly drives the first plate 321 to push the sheet material along the X-axis direction, the Y-axis driving assembly drives the second plate 322 to push the sheet material along the Y-axis direction, after the sheet material is positioned in two dimensions, the sheet material is adsorbed by the negative pressure air in the air holes 12, and falls down, so that the sheet material can be adsorbed on the upper surface of the workbench 1, and under the action of gravity, the Z-axis direction can also naturally form positioning, and the complete positioning of the workpiece in three dimensions is completed. The plate is positioned in the positive pressure air state, so that the plate can be prevented from sliding on the workbench 1 to be scratched in the plate pushing process, and the product quality is prevented from being influenced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A clapper positioning device is characterized by comprising a positioning component, a clapper component and a clapper driving component;

the positioning assembly is arranged on a workbench for placing plates, the clapper assembly is connected with the clapper driving assembly, and the clapper driving assembly is used for driving the clapper assembly to move in a direction close to or far away from the positioning assembly;

the clapper assembly comprises a moving plate and a plurality of eccentric pins arranged on the moving plate, the tangent planes of one sides of the eccentric pins close to the plate are in the same plane to form a reference plane, and the eccentric pins can be in contact with the same side face of the plate.

2. The clapper positioning device of claim 1 wherein the angle between the plane of the moving plate and the reference plane is 0-5 °.

3. The clapper positioning device as recited in claim 1, wherein the moving plate is provided with a pin hole, the eccentric pin is provided with a mounting hole, the central axis of the eccentric pin is not collinear with the central axis of the mounting hole and is parallel to the mounting hole, and the central axis of the mounting hole is collinear with the central axis of the pin hole.

4. The clapper positioning device according to claim 1, wherein a plurality of moving slots are formed in the table, and each eccentric pin can enter or leave the corresponding moving slot.

5. The clapper positioning device according to claim 1, wherein the positioning assembly comprises a plurality of first fixed cylindrical pins and a plurality of second fixed cylindrical pins, the plurality of first fixed cylindrical pins are arranged at intervals along the X-axis direction, the plurality of second fixed cylindrical pins are arranged at intervals along the Y-axis direction, and the first fixed cylindrical pins and the second fixed cylindrical pins are respectively used for abutting two adjacent edges of the plate material.

6. The clapper positioning device according to claim 5, wherein the moving plate comprises a first plate and a second plate, the eccentric pin comprises a first moving cylindrical pin and a second moving cylindrical pin, the first plate is provided with a plurality of the first moving cylindrical pins, the second plate is provided with a plurality of the second moving cylindrical pins, and the clapper driving assembly comprises an X-axis driving assembly and a Y-axis driving assembly;

7. The clapper positioning device as claimed in claim 6, wherein the X-axis driving assembly comprises a first servo motor, a first lead screw and a first connecting plate, the first servo motor is mounted on the lower surface of the worktable, the first lead screw is connected to the first servo motor, the first servo motor can drive the first connecting plate to move through the first lead screw, and the first connecting plate is connected with the first plate.

8. The clapper positioning device as claimed in claim 6, wherein the Y-axis driving assembly comprises a second servo motor, a second lead screw and a second connecting plate, the second servo motor is mounted on the lower surface of the worktable, the second lead screw is connected to the second servo motor, the second servo motor can drive the second connecting plate to move through the second lead screw, and the second connecting plate is connected to the second plate.

9. The paddle positioning device of claim 6, further comprising a first in-position sensor mounted on the first plate, and a second in-position sensor mounted on the second plate.

10. The clapper positioning device of any one of claims 1-9 wherein the clapper positioning device further comprises a table; the area of the workbench, which is positioned between the positioning assembly and the clapper assembly, is used for placing plates; a plurality of air holes are formed in the workbench; when positive pressure wind passes through the air holes, the plate above the workbench is in a suspension state, and when negative pressure wind passes through the air holes, the upper surface of the workbench can adsorb the plate.