WO2022121582A1

WO2022121582A1 - Rotary workbench controlled by high-precision splitter

Info

Publication number: WO2022121582A1
Application number: PCT/CN2021/128927
Authority: WO
Inventors: 齐瑛; 高志敏
Original assignee: 惠州市开蒙医疗科技有限公司
Priority date: 2020-12-08
Filing date: 2021-11-05
Publication date: 2022-06-16
Also published as: CN214081072U

Abstract

Provided is a rotary workbench controlled by a high-precision splitter, relating to the technical field of weight scale production. The rotary workbench comprises a frame (1). A splitter (11) is provided on the frame (1); a rotary table (12) is provided on the splitter (11) by means of a rotating shaft; and a plurality of fixtures (2) is provided on the rotary table (12) around the axis of the rotating shaft in a circumferential array. By starting the splitter (11) to drive the circulation of stations, a plurality of stations sequentially completes a plurality of procedures during product processing, so that the position of each movement of each fixture (2) is determined, thereby reducing the probability of the occurrence of the deviation of the fixture, improving the precision during processing, and improving the quality of a weight scale.

Description

A high-precision divider-controlled rotary table

technical field

The present application relates to the technical field of weight scale production, in particular to a rotary table controlled by a high-precision divider.

Background technique

Weight scales often have a transparent glass plate weighing pan. In the process of manufacturing the weight scale, the plastic bottom case and the glass plate are bonded by glue. There are wires and internal sensor components in the plastic bottom case. In order to cover the traces of these glues and parts such as wires and electronic devices, it is necessary to paste a metal sheet or other material between the plastic bottom case and the glass plate. The interface of the electronic weighing pan is more beautiful and tidy.

In the related art, the metal sheet is generally placed on the jig manually, and then glue is added to the metal sheet, and each set of jigs is matched with a set of pressing devices, and then the glass is placed on the jig and squeezed with the jig to compress. After the fixture and the product are cured together in a UV cold light oven.

In view of the above-mentioned related technologies, the inventor believes that there are the following defects: the production is mass-produced, so the three processes of installation, dispensing, pressing and curing of the metal sheets are all using assembly line production operations, and each process is completed. After that, the fixture needs to be placed on the assembly line to move to the next process. Therefore, when the assembly line transports the fixture, the position of the fixture is easy to shift, which reduces the accuracy of the next process and reduces the quality of the scale.

Utility model content

In order to improve the quality of the weight scale, the present application provides a rotary table controlled by a high precision divider.

A rotary table controlled by a high-precision divider provided by the application adopts the following technical solutions:

A rotary table controlled by a high-precision divider includes a frame, a divider is arranged on the frame, the divider is provided with a turntable through a rotating shaft, and a plurality of Fixtures.

By adopting the above technical solution, a plurality of fixtures form a plurality of processing stations, the splitter is activated to drive the rotation of the rotating shaft, and the rotation of the rotating shaft drives the rotation of the turntable to convert the stations. Therefore, the installation of metal sheets and the addition of metal sheets to the metal sheets are completed in the multiple stations in turn. There are multiple processes of gluing, squeezing and curing, and removing the product, so that the position of each movement of the fixture is determined, which reduces the probability of the fixture being offset, improves the accuracy in the processing process, and improves the quality of the scale.

Optionally, the fixture includes a bottom plate, a positioning column, and a positioning mechanism, the bottom plate is disposed on the turntable, the positioning column is disposed on the bottom plate and is used for placing metal sheets, and the positioning mechanism is disposed on the bottom plate and used for Position the glass.

By adopting the above technical solution, the metal sheet is installed on the positioning column, and then the glass is installed on the fixture, and the positioning mechanism is used to position the glass, so as to improve the position accuracy when installing the metal sheet and the glass, and improve the The quality of the scale.

Optionally, the positioning mechanism includes two positioning blocks, a support table, and an elastic component, the two positioning blocks are arranged on the bottom plate and abut against two adjacent side walls of the glass, and the support table is slidingly arranged on the bottom plate. It is used to support the glass, the elastic component is arranged on the bottom plate and is connected with the support table, and the upper surface of the support table extends above the metal sheet under the action of the elastic component.

By adopting the above technical solution, the glass is placed on the support table, so that the glass is positioned against the two positioning blocks, which improves the accuracy of the position when installing the glass, and the support table keeps the glass and the glue on the metal sheet at a certain distance. Therefore, the probability of contacting the glue when installing the glass and pushing the glue to move the glue is reduced, thereby improving the accuracy of the glue position; pressing the glass downward makes the glass and the metal sheet bond together, loosening the glass, the glass and the The metal sheet moves up and away from the mounting post under the action of the elastic component, so as to facilitate the removal of the glass and metal sheet.

Optionally, the elastic component includes a screw rod and a positioning spring, the screw rod passes through the bottom plate and is threadedly connected to the support table, the positioning spring is sleeved on the screw rod and connected to the bottom plate and the support table at both ends, and the screw head is The part is pressed against the bottom plate under the action of the positioning spring.

By adopting the above technical solution, the movement of the support table drives the screw to slide on the bottom plate, and the support table squeezes the positioning spring, so the support table loses its force, the positioning spring pushes the support table back to its original position, and the head of the screw is pressed against the bottom plate The screw is connected with the support table threadedly, so the position of the support table can be adjusted, and at the same time, the screw is removed from the support table by screwing the screw rod, and then the positioning spring is replaced, so as to improve the recovery effect of the positioning spring on the support table.

Optionally, a side wall on the opposite side of the support platform and the bottom plate is provided with a limit groove for limiting the positioning spring, and both ends of the positioning spring are pressed against the bottoms of the two limit grooves.

By adopting the above technical solution, the limit groove reduces the probability of skew when the positioning spring is squeezed, improves the balance of the elastic force of the positioning spring on the support table, thus reduces the probability of skew when the support table moves, and improves the glass and The quality of sheet metal extrusion bonding.

Optionally, the bottom plate is provided with a limit component for limiting the glass, the limit component includes a limit seat, a limit block, and a limit spring, and the limit seat is provided on the bottom plate and located on the glass. The side away from the positioning block, the limit block is slidably arranged on the limit seat, the two ends of the limit spring are respectively connected with the limit block and the limit seat, and the limit block is under the action of the limit spring pressed against the glass.

By adopting the above technical solution, the limit block is squeezed when installing the glass, the glass is placed between the positioning block and the limit block, and the limit block is pressed against the glass under the action of the limit spring, so the positioning block and the limit block cooperate with each other. To position the glass, the probability of glass moving is reduced, and the quality of the scale is improved. At the same time, the limit block can be adapted to limit the glass of different sizes under the action of the limit spring, which improves the limit block to the glass. The adaptation range when the limit is reached.

Optionally, the positioning block is provided with a waist-shaped hole, and the positioning block is provided with a screw that passes through the waist-shaped hole and is connected to the bottom plate.

By adopting the above technical solution, the screw is screwed away from the positioning block, and then the position of the positioning block can be moved. After the movement is completed, the positioning block is positioned by screwing the screw against the positioning block, thereby further improving the positioning block and the positioning block. The adaptable range of the limit block to limit the glass.

Optionally, a rubber sheet is provided on the upper surface of the support table, and a circular arc-shaped guide angle is provided on the top of the limiting block and the side of the side close to the glass side.

By adopting the above technical solution, the rubber sheet buffers the glass, which reduces the probability of the glass being scratched, improves the quality of the glass, and improves the quality of the weight scale; It is guided at different times, which improves the convenience when installing the glass and improves the efficiency when producing the scale.

Optionally, both the bottom plate and the turntable are provided with pin holes, and a pin shaft for positioning the bottom plate is inserted and installed on the pin holes.

By adopting the above technical scheme, the positioning is performed by the pin shaft, thereby improving the accuracy of the positions of the plurality of clamps after being installed on the turntable, and improving the quality of the weight scale after production.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The splitter is used to start and drive the stations to convert, so multiple stations complete multiple processes in the product processing process in turn, so that the position of each movement of the fixture is determined, which reduces the probability of fixture offset and improves processing. The precision in the process improves the quality of the scale;

2. The glass is positioned by the positioning block, which improves the accuracy of the position when installing the glass. The support table keeps a certain distance between the glass and the glue on the metal sheet, which reduces the contact with the glue when installing the glass and pushes the glue to move the glue. The probability of , thereby improving the accuracy of the glue position, improving the bonding strength between the metal sheet and the glass, and improving the quality of the scale;

3. The glass is placed between the positioning block and the limit block, and the limit block is pressed against the glass under the action of the limit spring, so the positioning block and the limit block cooperate to position the glass, reducing the probability of the glass moving , the quality of the scale is improved, and at the same time, the limit block can be adapted to limit the glass of different sizes under the action of the limit spring, which improves the adaptability of the limit block to limit the glass.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present application;

Fig. 2 is the structural representation of the clamp of the present application;

3 is a schematic cross-sectional view of the present application, mainly showing elastic components;

FIG. 4 is a schematic structural diagram of the limiting assembly in the present application, wherein a cross-sectional view of the side wall of the limiting seat is made.

Reference numerals: 1, rack; 11, divider; 12, turntable; 13, metal sheet; 14, glass; 15, support block; 2, clamp; 21, bottom plate; 211, pin hole; 212, through hole; 213, through groove; 214, limit groove; 22, positioning column; 23, positioning mechanism; 24, positioning block; 241, waist groove; 25, support table; 251, support groove; 252, rubber sheet; 26, elasticity Component; 27, screw; 28, positioning spring; 3, limit assembly; 31, limit seat; 311, sliding groove; 32, limit block; 321, guide angle; 322, accommodating groove; 33, limit spring .

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings for 1-4.

The embodiment of the present application discloses a rotary table controlled by a high-precision divider.

Referring to FIG. 1, the rotary table controlled by the high-precision divider includes a frame 1, a divider 11 fixedly installed on the frame 1, a vertical rotating shaft is fixedly installed on the divider 11, and a horizontal shaft is fixed coaxially at the top of the rotating shaft. the turntable 12.

1 and 2, five clamps 2 are arranged on the upper surface of the turntable 12 in a circular array around the axis of the rotating shaft. Add glue on 13, install glass 14, squeeze and solidify, remove glass 14 and metal sheet 13, divider 11 starts to drive the shaft and turntable 12 to rotate, and the rotation of turntable 12 drives fixture 2 to turn to the next station for station conversion , and finally the fixture 2 is turned back to its original position.

1 and 2, the fixture 2 includes a base plate 21, a positioning column 22, and a positioning mechanism 23. The base plate 21 is mounted on the upper surface of the turntable 12 and is in the shape of a cube. The turntable 12 below the bottom plate 21 is provided with four pin holes 211 in a circular array around the array axis. At the same time, the lower surface of the bottom plate 21 is also provided with pin holes 211 corresponding to the pin holes 211 on the turntable 12; Both ends of the pin shafts are plugged and fitted with pin holes 211 on the turntable 12 and the bottom plate 21 respectively.

1 and 2, the positioning columns 22 are fixedly installed on the upper surface of the bottom plate 21 and are in a vertical state, and four positioning columns 22 are arranged in a circular array around the array axis of the bottom plate 21, and the positioning columns 22 are used for placing metal sheets. 13. The metal sheet 13 is in the shape of a disc and has a clamping slot on the lower surface. The clamping slot is arc-shaped and the axis coincides with the axis of the metal sheet 13; the metal sheet 13 is placed on the top of the positioning post 22 and the positioning post 22 is locked The glass 14 is in the shape of a rectangular parallelepiped, and the positioning mechanism 23 is arranged on the bottom plate 21 and is used for positioning the glass 14 .

2 and 3, the positioning mechanism 23 includes two positioning blocks 24, a support table 25, and an elastic component 26. The positioning blocks 24 are provided with two groups and are located on the side of the positioning column 22 away from the center of the bottom plate 21; the two groups of positioning blocks 24 are respectively Abutting on the adjacent two side walls of the glass 14 , each group of positioning blocks 24 is provided with two horizontally distributed, and the tops of the two groups of positioning blocks 24 are provided with a waist shape along the direction perpendicular to the side walls of the glass 14 in contact with the positioning blocks 24 . The waist-shaped hole runs through the upper and lower surfaces of the positioning block 24. The top of the positioning block 24 is provided with a waist-shaped groove 241 that communicates with the waist-shaped hole. The waist-shaped groove 241 and the waist-shaped hole are opened in the same direction, and the width of the waist-shaped groove 241 is greater than The width of the waist-shaped hole; the positioning block 24 is provided with a screw that passes through the waist-shaped hole and is threadedly connected to the bottom plate 21 , and the screw head is pressed against the groove bottom of the waist-shaped groove 241 .

1 and 3, a support block 15 is fixedly installed at the center of the upper surface of the bottom plate 21, the support table 25 is vertically slidably installed on the support block 15 and is used to support the glass 14, and the center of the lower surface of the support table 25 is opened. There is a support groove 251 that is slidingly matched with the support block 15, and a rubber sheet 252 is fixedly installed on the upper surface of the support table 25. The center line of the upper and lower surfaces of the support block 15, the support groove 251 and the support table 25 coincides and is located in the fourth position. between the positioning posts 22 .

2 and 3, the elastic components 26 are arranged on the bottom plate 21 and connected to the support table 25, and four elastic components 26 are arranged in a circular array around the array axis of the bottom plate 21, and each elastic component 26 includes a screw 27, a positioning The spring 28, the bottom surface of the bottom plate 21 is provided with a through hole 212 penetrating the bottom plate 21, and the end of the through hole 212 close to the bottom surface of the bottom plate 21 is provided with a through slot 213, and the side wall on the opposite side of the support table 25 and the bottom plate 21 is provided with The limit slot 214 with a diameter larger than the diameter of the through hole 212 , the through hole 212 , the through slot 213 and the limit slot 214 are all circular and the axes are coincident, and the through hole 212 , the through slot 213 and the limit slot 214 are all around the bottom plate 21 . There are four in the circular array of the array axis.

2 and 3 , the screw rod 27 extends through the through hole 212 into the limiting groove 214 on the support table 25 , and one end of the screw rod 27 close to the support table 25 is threaded and is connected to the limit groove 214 of the support table 25 The bottom screw is connected, and the screw rod 27 slides through the through hole 212, and the head of the screw rod 27 is located in the through groove 213; the positioning spring 28 is sleeved on the screw rod 27, and the two ends of the positioning spring 28 are pressed against the support table 25. and on the bottom of the limiting groove 214 of the bottom plate 21 , and the diameter of the limiting groove 214 is equal to the outer diameter of the positioning spring 28 .

1 and 2, the head of the screw 27 is pressed against the bottom of the through groove 213 under the action of the positioning spring 28, and the upper surface of the support table 25 moves up to the top of the metal sheet 13 under the action of the positioning spring 28; After the glue is added to the sheet 13, when the glass 14 is placed on the support table 25, the glass 14 is not in contact with the glue.

Referring to FIGS. 1 and 2 , the bottom plate 21 is provided with limit components 3 for limiting the position of the glass 14 , and there are two limit components 3 , and at the same time, the two limit components 3 and the two sets of positioning blocks 24 are located on the glass 14 respectively. At the four side walls of the , the limit component 3 and the positioning block 24 are arranged opposite to each other, and the glass 14 is located between the limit component 3 and the positioning block 24 .

1 and FIG. 4 , the limit assembly 3 includes a limit seat 31, a limit block 32, and a limit spring 33. The limit seat 31 is fixedly installed on the upper surface of the bottom plate 21 by screws, and the top of the limit seat 31 extends to Above glass 14.

Referring to FIGS. 1 and 4 , a sliding groove 311 is provided on the side wall of the limiting seat 31 on the side close to the glass 14 , and the sliding groove 311 communicates with the lower surface of the limiting seat 31 , and the limiting block 32 is installed in a horizontal sliding manner. On the sliding groove 311 , the end of the limit block 32 close to the glass 14 protrudes out of the sliding groove 311 , and the end of the limit block 32 away from the glass 14 is provided with a accommodating groove 322 , and the limit spring 33 is placed on the accommodating groove 322 . And the end of the limit spring 33 away from the limit block 32 abuts on the bottom of the sliding groove 311 ; the limit block 32 is pressed against the glass 14 under the action of the limit spring 33 , and the top of the limit block 32 is close to the glass 14 A circular arc-shaped guide angle 321 is opened on the side of the .

The working principle of the embodiment of the present application is:

The five fixtures 2 form five stations, the divider is activated to drive the turntable 12 to rotate, and the turntable 12 rotates to drive the fixture 2 to switch stations. Therefore, the installation of the metal sheet 13, the addition of glue to the metal sheet 13, the extrusion of the metal sheet 13 are completed in sequence through the five stations. Pressing, curing, and removing the glass 14 are performed in five processes, so that the position of the fixture 2 is determined each time it moves, which reduces the probability of the fixture 2 being offset, improves the precision during processing, and improves the quality of the scale.

Place the metal sheet 13 on the positioning post 22, so that the positioning post 22 is snap-fitted with the snap groove, then glue is added to the upper surface of the metal sheet 13, and then the adjacent two side walls of the glass 14 and the four positioning blocks 24 The side walls are in contact, and then the other two side walls of the glass 14 are in contact with the guide corners 321, and the glass 14 is pressed down to push the limiting block 32 away from the glass 14, so that the glass 14 abuts on the upper surface of the support table 25, and the glass 14 is away from the positioning block 24 by two sides. The side wall abuts against the side wall of the limiting block 32 , so the limiting block 32 presses against the glass 14 under the action of the limiting spring 33 to limit the glass 14 .

Squeeze the glass 14 downward, so that the glass 14 and the metal sheet 13 are bonded together, release the force on the glass 14, and the glass 14 and the metal sheet 13 move upward under the action of the positioning spring 28, so the metal sheet 13 and the positioning post 22 Therefore, the glass 14 can be removed, so the glass 14 is not placed in contact with the glue, which reduces the probability that the glue is displaced by pushing the glass 14 when the glass 14 is installed, and improves the quality of the scale; The cooperation of the position spring 33 can be adapted to limit the position of the glass 14 of different sizes, which improves the adaptability of the limit block 32 when the limit block 32 limits the position of the glass 14 .

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims

A rotary table controlled by a high-precision divider, characterized in that it comprises a frame (1), a divider (11) is arranged on the frame (1), and the divider (11) is set through a rotating shaft There is a turntable (12), and a plurality of clamps (2) are arranged on the turntable (12) in a circular array around the axis of the rotation shaft. 2 . The rotary table controlled by a high-precision divider according to claim 1 , wherein the fixture ( 2 ) comprises a base plate ( 21 ), a positioning column ( 22 ), and a positioning mechanism ( 23 ), wherein the The bottom plate (21) is arranged on the turntable (12), the positioning column (22) is arranged on the bottom plate (21) and is used for placing the metal sheet (13), and the positioning mechanism (23) is arranged on the bottom plate (21) and for positioning the glass (14). 3. A rotary table controlled by a high-precision divider according to claim 2, characterized in that: the positioning mechanism (23) comprises two positioning blocks (24), a support table (25), an elastic component ( 26), the two positioning blocks (24) are arranged on the bottom plate (21) and abut on the adjacent two side walls of the glass (14), and the supporting table (25) is slidably arranged on the bottom plate (21) and For supporting the glass (14), the elastic component (26) is arranged on the bottom plate (21) and connected with the support table (25), and the upper surface of the support table (25) is under the action of the elastic component (26) Extend over the metal sheet (13). 4. A high-precision divider-controlled rotary table according to claim 3, wherein the elastic component (26) comprises a screw (27), a positioning spring (28), and the screw (27) Passing through the bottom plate (21) and being screwed with the support table (25), the positioning spring (28) is sleeved on the screw rod (27) and both ends are connected with the bottom plate (21) and the support table (25), the screw rod (27) The head is pressed against the bottom plate (21) under the action of the positioning spring (28). 5. A rotary table controlled by a high-precision divider according to claim 4, characterized in that: a pair of positioning springs ( 28) A limiting groove (214) for limiting the position, the two ends of the positioning spring (28) are pressed against the groove bottoms of the two limiting grooves (214). 6 . The rotary table controlled by a high-precision divider according to claim 3 , wherein the bottom plate ( 21 ) is provided with a limiting component ( 3 ) for limiting the position of the glass ( 14 ). 7 . The limit assembly (3) includes a limit seat (31), a limit block (32), and a limit spring (33), and the limit seat (31) is arranged on the bottom plate (21) and located on the glass (14) ) on the side away from the positioning block (24), the limiting block (32) is slidably arranged on the limiting seat (31), and the two ends of the limiting spring (33) are respectively connected with the limiting block (32) and the limiting seat (31). The seat (31) is connected, and the limit block (32) is pressed against the glass (14) under the action of the limit spring (33). 7 . The rotary table controlled by a high-precision divider according to claim 3 , wherein the positioning block ( 24 ) is provided with a waist-shaped hole, and the positioning block ( 24 ) is provided with a through hole. 8 . A screw that passes through the waist-shaped hole and is connected to the bottom plate (21). 8 . The rotary table controlled by a high-precision divider according to claim 6 , wherein a rubber sheet ( 252 ) is provided on the upper surface of the support table ( 25 ), and the limit block ( 32 ). ) top and a side edge of the side close to the glass (14) is provided with an arc-shaped guide angle (321). 9 . The rotary table controlled by a high-precision divider according to claim 2 , wherein the bottom plate ( 21 ) and the turntable ( 12 ) are both provided with pin holes ( 211 ), and the pin holes A pin shaft for positioning the bottom plate (21) is inserted and installed on the (211).