CN213455413U

CN213455413U - High-precision equipment for detecting thickness of switch metal contact piece

Info

Publication number: CN213455413U
Application number: CN202022731401.8U
Authority: CN
Inventors: 唐根才; 唐艺洲
Original assignee: Tonglu Tuocheng Electronics Co ltd
Current assignee: Tonglu Tuocheng Electronics Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-15
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a switch metal contact piece's thickness detects uses high accuracy equipment, which comprises a frame, be equipped with the briquetting of vertical removal in the frame, briquetting top-down pushes down the metal contact piece that is located fixed platform, and displacement sensor is located the movement track of briquetting, and displacement sensor is connected with digital display module, and digital display module is used for showing the numerical value of the thickness of metal contact piece. The utility model discloses compact structure, convenient to use does benefit to the manufacturing quality of guarantee metal contact piece, control manufacturing cost.

Description

High-precision equipment for detecting thickness of switch metal contact piece

Technical Field

The utility model relates to a thickness detection field, concretely relates to high accuracy equipment is used in thickness detection of switch metal contact piece.

Background

The rotary switch is a switch which controls the on-off of the main contact by a rotary handle, and the contact piece is a component in the rotary switch and consists of fixed wafers (stators), the terminals can be interconnected according to a preset combination, and a plurality of contact pieces can be arranged on a single shaft and act simultaneously.

Therefore, in the manufacturing process, the situation that the contact is not in place easily occurs when the switch is rotated and switched due to the fact that the thickness of the contact piece does not reach the standard, or the distance deviation occurs between the assembling structures when the switch is assembled, so that the situation of assembly failure is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure convenient and compact structure's switch metal contact piece's high accuracy equipment for thickness detection.

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a switch metal contact's thickness detects uses high accuracy equipment, includes the frame, be equipped with vertical removal's briquetting in the frame, briquetting top-down pushes down the metal contact piece that is located fixed platform, and displacement sensor is located the motion trail of briquetting, and displacement sensor is connected with the digital display module, and the digital display module is used for showing the numerical value of the thickness of metal contact piece. When the pressing block is abutted to the metal contact piece after moving linearly in the vertical direction, the pressing block abuts to the displacement transmission effect and enables the displacement sensor to generate mechanical displacement, the function of converting the mechanical displacement into an electric signal of the digital display module is matched, and the length value of the displacement transmission effect displacement is subtracted from the length value exceeding the top surface of the fixed platform, which is initially set, so that the thickness value of the metal contact piece is obtained and displayed on a display screen of the digital display module.

As a further improvement of the technical scheme, the rack realizes the linear movement of the pressing block in the vertical direction through the linear driving mechanism, and the driving block of the linear driving mechanism is propped against the pressing block through the spring so that the pressing block presses the metal contact piece on the fixed platform from top to bottom when the linear driving mechanism is driven linearly. The spring is used for propping the pressing block to press the metal contact piece, so that the integrity of the metal contact piece is guaranteed, and the influence on the accuracy of the measurement result caused by the damage of the contact piece on the metal contact piece due to the direct pressing of the metal contact piece is avoided.

As a further improvement of the technical scheme, the spring is composed of a plurality of spring units, the spring units are sequentially sleeved on the loop bar from top to bottom, one end of the loop bar is fixedly connected to the pressing block through a bolt piece, the other end of the loop bar penetrates through a through hole in the driving block to enable the driving block to be sleeved on the loop bar, a clamping piece is fixedly connected in the through hole, and the clamping piece is abutted between the two spring units. The number of the spring units in the spring between the driving block and the pressing block is controlled through the clamping piece, and the spring units are connected in series, so that the elastic coefficient of the spring between the driving block and the pressing block is adjustable, a user can adjust the spring between the driving block and the pressing block according to the measuring requirement, and the accuracy of the measuring result is improved.

As the further improvement of the technical scheme, a plurality of positioning columns are fixedly connected to the fixing platform, the positioning columns are conical, the metal contact pieces are convenient to position and place, the metal contact pieces are located between the positioning columns, and the bottom end of the pressing block is provided with a groove used for containing the positioning columns.

As a further improvement of the above technical solution, a driving device for driving the positioning column to move linearly in the vertical direction is arranged on the fixed platform. Through drive arrangement make the straight line removal in the vertical direction of reference column for metal contact piece can be lifted by the reference column after the measurement is finished, thereby makes things convenient for metal contact piece to take off from fixed platform, improves detection efficiency.

Compared with the prior art, the utility model, have following advantage and effect:

the utility model discloses briquetting, displacement sensor and digital display module three cooperate and use, realize the measurement to the thickness of metal contact piece, measure conveniently and do benefit to and adjust the manufacture equipment of metal contact piece in advance according to the thickness condition of metal contact piece for the metal contact piece of follow-up preparation accords with operation standard, does benefit to and reduces the manufacturing loss, has ensured the assembly efficiency of switch. Furthermore, the mechanical displacement is generated by the displacement sensor during movement of the pressing block, so that the thickness value of the metal contact piece is indirectly acquired, the mechanism is compact and convenient to use, the difficulty and the working strength of detection are reduced, and the detection efficiency is favorably improved.

Drawings

Fig. 1 is a schematic structural diagram of the high-precision device for detecting the thickness of the switch metal contact piece of the present invention.

FIG. 2 is a schematic structural view of the compact shown in FIG. 1.

The device comprises a rack 1, a pressing block 2, a loop bar 21, a fixed platform 3, a positioning column 31, a driving device 32, a displacement sensor 4, a digital display module 5, a linear driving mechanism 6, a driving block 61, a spring 62, a spring unit 63, a through hole 64, a clamping piece 65, an air pump 7, a bolt piece 8 and a display screen 9.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1-2, the high-precision device for detecting the thickness of a switch metal contact piece in this embodiment includes a frame 1, a press block 2 moving vertically is disposed on the frame 1, the press block 2 presses the metal contact piece on a fixed platform 3 from top to bottom, a displacement sensor 4 is disposed on a motion track of the press block 2, the displacement sensor 4 is connected to a digital display module 5, the digital display module 5 is used for displaying a numerical value of the thickness of the metal contact piece, the frame 1 realizes linear movement of the press block 2 in a vertical direction through a linear driving mechanism 6, a driving block 61 of the linear driving mechanism 6 abuts against the press block 2 through a spring 62 so that the press block 2 presses the metal contact piece on the fixed platform 3 from top to bottom when the linear driving mechanism 6 is driven linearly, the linear driving mechanism 6 is a double-rod cylinder, the double-rod cylinder is fixedly connected to the, the spring 62 comprises a plurality of spring units 63, and spring unit 63 is overlapped on loop bar 21 in proper order from top to bottom, and 8 fixed connection in briquetting 2 are passed through to the one end of loop bar 21 on bolt, and the other end of loop bar 21 passes perforation 64 on the drive block 61 so that the drive block 61 overlaps on locating loop bar 21, and fixedly connected with fastener 65 in the perforation 64, fastener 65 support between two spring unit 63, it is provided with a plurality of reference columns 31 to slide on the fixed platform 3, and reference column 31 is the toper, and the metal contact piece is located between the reference column 31, and the recess that is used for holding reference column 31 is seted up to the bottom of briquetting 2, be equipped with the drive arrangement 32 that is used for driving reference column 31 linear motion in the vertical direction on the fixed platform 3, drive arrangement 32 is for cutting fork elevating gear, and motor drive cuts fork elevating system and stretches out.

To sum up, the utility model discloses application method is as follows:

the method comprises the following steps: placing the metal contact piece on the fixed platform through the positioning column;

step two: the pressing block vertically moves downwards through the linear driving mechanism until the bottom surface of the pressing block abuts against the metal contact piece, and the bottom surface of the pressing block abuts against the displacement sensor and the metal contact piece in sequence in the downward movement process of the pressing block;

step three: reading the numerical value displayed on the digital display module to obtain the thickness of the metal contact piece;

step four: resetting the pressing block, and then enabling the positioning column to rise upwards through the driving device, so that the metal contact piece is driven to move upwards for a certain distance;

step five: and taking the metal contact piece down from the fixed platform, and resetting the positioning column.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a switch metal contact's thickness detects uses high accuracy equipment, includes frame (1), its characterized in that: the metal contact piece display device is characterized in that a pressing block (2) moving vertically is arranged on the rack (1), the pressing block (2) presses a metal contact piece on the fixed platform (3) from top to bottom, the displacement sensor (4) is located on the motion track of the pressing block (2), the displacement sensor (4) is connected with a digital display module (5), and the digital display module (5) is used for displaying the numerical value of the thickness of the metal contact piece.

2. The high-precision apparatus for detecting the thickness of a switching metal contact piece according to claim 1, characterized in that: the rack (1) realizes the linear movement of the pressing block (2) in the vertical direction through the linear driving mechanism (6), and the driving block (61) of the linear driving mechanism (6) props against the pressing block (2) through the spring (62) so that the pressing block (2) presses the metal contact piece on the fixed platform (3) from top to bottom when the linear driving mechanism (6) is driven linearly.

3. The high-precision apparatus for detecting the thickness of a switching metal contact piece according to claim 2, characterized in that: spring (62) comprise a plurality of spring unit (63), spring unit (63) top-down overlaps in proper order and locates on loop bar (21), the one end of loop bar (21) is passed through bolt spare (8) fixed connection on briquetting (2), the other end of loop bar (21) passes perforation (64) on drive block (61) so that drive block (61) cover locate on loop bar (21), fixedly connected with fastener (65) in perforation (64), fastener (65) support between two spring unit (63).

4. The high-precision apparatus for detecting the thickness of a switching metal contact piece according to claim 1, characterized in that: fixed platform (3) go up the slip and are provided with a plurality of reference columns (31), and reference column (31) are the toper, and the metal contact piece is located between reference column (31), and the recess that is used for holding reference column (31) is offered to the bottom of briquetting (2).

5. The high-precision apparatus for detecting the thickness of a switching metal contact piece according to claim 1, characterized in that: and a driving device (32) for driving the positioning column (31) to linearly move in the vertical direction is arranged on the fixed platform (3).