CN215768889U

CN215768889U - Automatic adjusting machine

Info

Publication number: CN215768889U
Application number: CN202121013864.9U
Authority: CN
Inventors: 张彭春; 邹远根; 毛波涛
Original assignee: XINDA ELECTRIC CO Ltd
Current assignee: XINDA ELECTRIC CO Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-02-08
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to an automatic adjusting machine, which comprises a cam clamping mechanism used for clamping and fixing a workpiece, the first adjusting and positioning mechanism and the second adjusting and positioning mechanism are respectively positioned on two sides of the cam clamping mechanism, the first adjusting and positioning mechanism and the second adjusting and positioning mechanism have the same structure and are respectively provided with a static piece adjusting contact finger, a movable spring adjusting fork and a plug piece, the two sides of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism are in mirror image distribution, the first adjusting and positioning mechanism and the second adjusting and positioning mechanism can sequentially position X, Y axial coordinates of the static piece adjusting contact finger, the movable spring adjusting fork and the plug piece, the static piece adjusting contact finger can be used for correcting the arrangement consistency of common pins of the static pieces and the movable spring pieces or coil wiring boards in the same row, the interdigital can clamp two sides of the common pins of the movable spring pieces in the same row, the movable spring adjusting fork can rotate clockwise or anticlockwise under the driving of a servo motor, and the plug piece can stretch into the space between the common pins of the static pieces and the movable spring pieces. The debugging process is high in mechanical design accuracy, stable in quality and high in debugging efficiency.

Description

Automatic adjusting machine

Technical Field

The utility model relates to an automatic adjusting machine.

Background

The low-voltage relay generally comprises a plurality of groups of movable contacts or movable contacts, and due to the assembly problem, the contact characteristics of the plurality of groups of movable contacts have certain difference, namely, the same contact resistance value cannot be achieved at the same time, and even the problem that individual contacts cannot be attracted occurs. In order to adjust the low-voltage relay, so that the parameters of the contact resistance values of all groups of contacts reach a calibrated value, an operator needs to repeatedly adjust the low-voltage relay, wherein the working procedure of the adjustment work comprises the following steps: and adjusting a plurality of groups of static sheets serving as a suction basis, adjusting the movable spring sheet, and finally adding the plugging sheet to test whether the contact resistance of the movable spring sheet reaches the standard or not. The manual adjustment work above is time-consuming and labor-consuming, and is low in efficiency and poor in stability.

Disclosure of Invention

In view of this, the present invention provides an automatic adjusting machine capable of replacing manual work to realize cycle adjustment until the contact performance reaches the standard, and greatly improving the adjustment efficiency.

In order to achieve the above object, the present invention adopts an automatic adjusting machine, which comprises a cam clamping mechanism for clamping and fixing a workpiece, and a first adjusting and positioning mechanism and a second adjusting and positioning mechanism respectively located at two sides of the cam clamping mechanism, wherein the first adjusting and positioning mechanism and the second adjusting and positioning mechanism have the same structure, and are respectively provided with a static sheet adjusting contact finger, a movable spring adjusting fork and a plug sheet, and two sides of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism are distributed in a mirror image manner, the first adjusting and positioning mechanism and the second adjusting and positioning mechanism can sequentially position X, Y axial coordinates of the static sheet adjusting contact finger, the movable spring adjusting fork and the plug sheet, the static sheet adjusting contact finger acts on a static sheet and a common pin or a coil wiring board of the movable spring sheet in the same row, the static sheet adjusting contact finger can be used for correcting the arrangement consistency of the common pin or the coil wiring board of the static sheet and the movable spring sheet in the same row, the tail end of the movable spring adjusting fork is provided with an interdigital, the interdigital can clamp two sides of the common pins of the movable spring pieces in the same row, the movable spring adjusting fork can rotate clockwise or anticlockwise under the driving of the servo motor, and the plug piece can extend into the space between the static piece and the common pins of the movable spring pieces. Compared with the prior art, the utility model has the beneficial technical effects that: the first adjusting and positioning mechanism and the second adjusting and positioning mechanism move on the Y axis simultaneously to enable the static sheet adjusting contact finger, the movable spring adjusting fork and the plug sheet to be positioned between two rows of static sheets and movable spring sheets or between the static sheets and the movable spring sheets respectively in sequence, then the first adjusting and positioning mechanism and the second adjusting and positioning mechanism move along the X axis in opposite directions and are close to a workpiece on the cam clamping mechanism simultaneously, after an adjusting process is carried out, the arrangement consistency of the two rows of static sheets serving as a reference is adjusted at first, the arrangement consistency of the movable spring sheets is adjusted, finally, the plug sheet is added for testing, repeated adjustment and testing are carried out until the suction contact resistance of a plurality of groups of contacts reaches a unified standard value, the uniform standard adjusting and positioning mechanisms are adopted for realizing accurate positioning, the debugging process comprises the static sheet adjusting contact finger, the movable spring adjusting fork and the plug sheet, the mechanical design accuracy is high, manual intervention is not needed, and great product parameter discreteness of manual debugging is avoided, The quality is unstable.

In particular, the Y-axis positioning mechanism of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism comprises an adjusting module, the sliding table of the adjusting module is fixed with a module moving plate, the X-axis positioning mechanisms of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism comprise slide block mounting seats which can slide along an X-axis slide rail under the driving of a propelling cylinder, the X-axis slide rail is fixed on the module moving plate, the cushion block, the motor mounting seat and the clamping finger cylinder are fixed on the slide block mounting seat, a stator adjusting contact finger is fixed on the cushion block, one side of the motor mounting seat is fixed with the servo motor, the output shaft of the servo motor is connected with a movable spring adjusting fork, the plug sheet seat is used for fixing one end of the plug sheet, the clamping fingers of the clamping finger cylinder are used for fixing the middle end of the plug piece, and the tail end of the plug piece extends towards the cam clamping mechanism. Through the arrangement of the structure, the static sheet adjusting contact finger, the movable spring adjusting fork and the plug sheet can move along with the module moving plate in the Y-axis direction and move along with the slider mounting seat in the X-axis direction, the design requirement is met, meanwhile, the movable spring adjusting fork is driven by the servo motor, the control precision of the servo motor is high, and the servo motor is particularly suitable for the movable spring sheet to be used for micro position adjustment.

Particularly, a Y-axis position detection sheet is fixed on the module moving plate, a Y-axis starting point position detection switch is arranged on the module support, the Y-axis position detection sheet and the Y-axis starting point position detection switch are matched to transmit a module positioning adjusting signal to the controller, a rotating starting point position detection switch is arranged on the motor mounting seat, a fork opening position detection sheet is arranged on the circumferential surface of the movable spring adjusting fork, and the fork opening position detection sheet and the rotating starting point position detection switch are matched to transmit a movable spring adjusting fork positioning signal to the controller. Through the arrangement of the structure, the Y-axis starting point position detection switch and the rotating starting point position detection switch can respectively and accurately detect the Y-axis coordinate of the module moving plate and the direction of the fork opening, and the positioning mechanism can be conveniently adjusted to be put into the next cycle.

Particularly, the cam clamping mechanism comprises a tool base plate, a support column and a slide rail support, the tool base plate is adapted to the peripheral shape of a workpiece, a Z-axis slide rail is fixed on the slide rail support, a moving plate moves up and down along the Z-axis slide rail under the action of a direct-acting cylinder, a cam follower plate is fixedly arranged on the moving plate, rolling wheels are fixedly arranged at two ends of the cam follower plate, the cam clamping mechanism further comprises a swinging claw, an opening at the lower end of the swinging claw is in a diverging shape, the upper end of the swinging claw is hinged to the tool base plate, and the rolling wheels are respectively positioned on the outer side of the swinging claw and can extrude the swinging claw at the lower end of the swinging claw. The upper end of the swing claw is opened and closed by driving the direct-acting cylinder and the moving plate to act, so that the workpiece is released, clamped and fixed, and the stability of the workpiece in the assembling process is ensured.

Particularly, the movable plate is fixedly provided with a probe mounting plate, a probe penetrates through the probe mounting plate, and the probe is used for forming a common pin of the static sheet and the movable spring sheet and supporting the coil wiring board.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a side view of a cam clamping mechanism in an embodiment of the present invention;

FIG. 4 is a perspective view of a first adjustment positioning mechanism in an embodiment of the present invention;

FIG. 5 is a side view of a workpiece in an embodiment of the utility model.

In the figure: A. a workpiece; a1, still; a2, common pin of movable spring leaf; 1. a static sheet adjusting contact finger; 2. a movable spring adjusting fork; 21. a rotation start position detection switch; 3. a plug sheet; 4. a cam clamping mechanism; 41. a tooling substrate; 42. a pillar; 43. a slide rail bracket; 44. a Z-axis slide rail; 45. a Z-axis limit screw; 46. a roller; 47. swinging the grab; 48. a direct acting cylinder; 49. a cylinder pull block; 410. a probe mounting plate; 411. a probe; 412. moving the plate; 5. a large plate; 6. a first adjusting and positioning mechanism; 61. a module holder; 62. a Y-axis starting point position detection switch; 621. a Y-axis position detection sheet; 63. an adjusting module; 64. a module moving plate; 65. propelling the cylinder; 66. an X-axis slide rail; 67. a slider mounting base; 68. a servo motor; 69. a finger clamping cylinder; 691. clamping fingers; 610. a plug seat; 611. an X-axis limit screw; 612. a motor mounting seat; 613. a limiting block; 7. and a second adjusting and positioning mechanism.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, an automatic adjusting machine comprises a cam clamping mechanism 4 for clamping and fixing a workpiece a, and a first adjusting and positioning mechanism 6 and a second adjusting and positioning mechanism 7 respectively located at two sides of the cam clamping mechanism 4, wherein the first adjusting and positioning mechanism 6 and the second adjusting and positioning mechanism 7 have the same structure, and both have a static plate adjusting contact finger 1, a movable spring adjusting fork 2 and a plug 3, and are distributed in mirror image at two sides, the first adjusting and positioning mechanism 6 and the second adjusting and positioning mechanism 7 can together sequentially position X, Y axial coordinates of the static plate adjusting contact finger 1, the movable spring adjusting fork 2 and the plug 3, the static plate adjusting contact finger 1 acts on a static plate a1, a common pin a2 of a movable spring or a coil wiring board, the static plate adjusting contact finger 1 can be used for correcting the arrangement consistency of the static plate a1, the common pin a2 of the movable spring or the coil wiring board in the same row, the tail end of the movable spring adjusting fork 2 is provided with an interdigital which can clamp two sides of a common pin A2 of the movable springs in the same row, the movable spring adjusting fork 2 can rotate clockwise or anticlockwise under the driving of the servo motor 68, and the plug piece 3 can extend between the static piece A1 and the common pin A2 of the movable springs.

The Y-axis positioning mechanisms of the first adjusting and positioning mechanism 6 and the second adjusting and positioning mechanism 7 comprise an adjusting module 63, a module moving plate 64 is fixed on a sliding table of the adjusting module 63, the X-axis positioning mechanisms of the first adjusting and positioning mechanism 6 and the second adjusting and positioning mechanism 7 comprise a sliding block mounting seat 67 which can slide along an X-axis sliding rail 66 under the drive of a pushing cylinder 65, the X-axis sliding rail 66 is fixed on the module moving plate 64, a cushion block, a motor mounting seat 612 and a clamping finger cylinder 69 are fixed on the sliding block mounting seat 67, a stator adjusting contact finger 1 is fixed on the cushion block, a servo motor 68 is fixed on one side of the motor mounting seat 612, an output shaft of the servo motor 68 is connected with a movable spring adjusting fork 2, a plunger seat 610 is used for fixing one end of a plunger 3, a clamping finger 691 of the clamping finger cylinder 69 is used for fixing the middle end of the plunger 3, and the tail end of the plunger 3 extends towards the cam clamping mechanism 4.

A Y-axis position detecting piece 621 is fixed on the module moving plate 64, a Y-axis starting point position detecting switch 62 is arranged on the module bracket 61, the Y-axis position detecting piece 621 and the Y-axis starting point position detecting switch 62 are matched to transmit an adjusting module positioning signal to the controller, a rotating starting point position detecting switch 21 is arranged on the motor mounting base 612, a fork position detecting piece is arranged on the circumferential surface of the movable spring adjusting fork 2, and the fork position detecting piece and the rotating starting point position detecting switch 21 are matched to transmit a movable spring adjusting fork positioning signal to the controller.

Cam fixture 4 includes frock base plate 41, pillar 42 and slide rail bracket 43, frock base plate 41 adapts to work piece A's peripheral shape, fixed Z axle slide rail 44 on slide rail bracket 43, move board 412 and reciprocate along Z axle slide rail 44 under the effect of direct action cylinder 48, move and fixedly set up the cam follower plate on the board 412, the both ends of cam follower plate are fixed and are set up gyro wheel 46, still include swing claw 47 on cam fixture 4, the opening of swing claw 47's lower extreme is the form of dispersing, swing claw 47's upper end articulates on frock base plate 41, gyro wheel 46 is located swing claw 47's the outside respectively and can extrude swing claw 47 at swing claw 47's lower extreme.

The moving plate 412 is fixedly provided with a probe mounting plate 410, a probe 411 penetrates through the probe mounting plate 410, and the probe 411 is used for forming a static sheet A1, a common pin A2 of a movable spring and a support of a coil wiring plate.

Claims

1. An automatic adjusting machine is characterized in that: the device comprises a cam clamping mechanism for clamping and fixing a workpiece, and a first adjusting and positioning mechanism and a second adjusting and positioning mechanism which are respectively positioned at two sides of the cam clamping mechanism, wherein the first adjusting and positioning mechanism and the second adjusting and positioning mechanism have the same structure and are respectively provided with a static sheet adjusting contact finger, a movable spring adjusting fork and a plug sheet, the two sides of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism are distributed in a mirror image manner, the first adjusting and positioning mechanism and the second adjusting and positioning mechanism can sequentially position X, Y axial coordinates of the static sheet adjusting contact finger, the movable spring adjusting fork and the plug sheet, the static sheet adjusting contact finger acts on a static sheet and a common pin or a coil wiring board of the movable spring sheet in the same row, the static sheet adjusting contact finger can be used for correcting the arrangement consistency of the common pins or the coil wiring board of the static sheet and the movable spring sheet in the same row, and the tail end of the movable spring adjusting fork is provided with an interdigital, the fork fingers can clamp two sides of the common pins of the movable spring pieces in the same row, the movable spring adjusting fork can rotate clockwise or anticlockwise under the driving of the servo motor, and the plug piece can extend into the space between the common pins of the static piece and the movable spring pieces.

2. The automatic tuning machine of claim 1, wherein: the Y-axis positioning mechanism of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism comprises an adjusting module, the sliding table of the adjusting module is fixed with a module moving plate, the X-axis positioning mechanisms of the first adjusting and positioning mechanism and the second adjusting and positioning mechanism comprise slide block mounting seats which can slide along an X-axis slide rail under the driving of a propelling cylinder, the X-axis slide rail is fixed on the module moving plate, the cushion block, the motor mounting seat and the clamping finger cylinder are fixed on the slide block mounting seat, a stator adjusting contact finger is fixed on the cushion block, one side of the motor mounting seat is fixed with the servo motor, the output shaft of the servo motor is connected with a movable spring adjusting fork, the plug sheet seat is used for fixing one end of the plug sheet, the clamping fingers of the clamping finger cylinder are used for fixing the middle end of the plug piece, and the tail end of the plug piece extends towards the cam clamping mechanism.

3. The automatic tuning machine of claim 2, wherein: the module moving plate is fixed with a Y-axis position detection sheet, the module bracket is provided with a Y-axis starting point position detection switch, the Y-axis position detection sheet and the Y-axis starting point position detection switch are matched to transmit a module positioning signal to the controller, the motor mounting seat is provided with a rotary starting point position detection switch, the circumferential surface of the movable spring adjusting fork is provided with a fork opening position detection sheet, and the fork opening position detection sheet and the rotary starting point position detection switch are matched to transmit a movable spring adjusting fork positioning signal to the controller.

4. The automatic adjustment machine according to claim 2 or 3, characterized in that: the cam clamping mechanism comprises a tool base plate, a support column and a slide rail support, the tool base plate is suitable for the peripheral shape of a workpiece, a Z-axis slide rail is fixed on the slide rail support, a moving plate moves up and down along the Z-axis slide rail under the action of a direct-acting cylinder, a cam follower plate is fixedly arranged on the moving plate, rolling wheels are fixedly arranged at two ends of the cam follower plate, the cam clamping mechanism further comprises a swinging claw, an opening at the lower end of the swinging claw is in a diverging shape, the upper end of the swinging claw is hinged to the tool base plate, and the rolling wheels are respectively positioned on the outer side of the swinging claw and can extrude the swinging claw at the lower end of the swinging claw.

5. The automatic adjustment machine according to claim 4, characterized in that: move the board on the fixed probe mounting panel that sets up, the probe mounting panel on wear to establish the probe, the probe be used for forming the support of the public foot and the coil terminal board of still, movable reed.