CN114378621A

CN114378621A - Device for quickly finding circle center

Info

Publication number: CN114378621A
Application number: CN202111599257.XA
Authority: CN
Inventors: 刘自柱; 张晶
Original assignee: Ningxia Dunyuan Poly Core Semiconductor Technology Co ltd
Current assignee: Ningxia Dunyuan Poly Core Semiconductor Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-04-22
Anticipated expiration: 2041-12-24
Also published as: CN114378621B

Abstract

A device for quickly finding the center of a circle comprises an annular seat, a holding block and a synchronous driving mechanism, wherein the holding block is arranged on the upper surface of the annular seat, the clasping blocks can linearly and reciprocally slide along the radial direction of the annular seat, the clasping blocks are a plurality of, the clasping blocks are evenly distributed along the circumferential direction of the annular seat, the end of the holding block facing the circle center of the annular seat is an arc-shaped end surface, the circle centers of the arc-shaped end surfaces of the holding blocks are concentric, the synchronous driving mechanism is fixedly arranged on the annular seat and can push the holding blocks to move for the same distance along the radial direction of the annular seat, the technical scheme of the invention can quickly find the rotating center of a round product, and the circle center of the product can be found within 30 seconds no matter a skilled worker or an unskilled worker, so that the time spent on finding the circle center in the processing process is greatly reduced, and the production progress can be effectively improved.

Description

Device for quickly finding circle center

Technical Field

The invention relates to the technical field of microelectronic circular product machining, in particular to a device for quickly finding a circle center.

Background

In the field of machining, when a worker needs to machine a round product, a large amount of time is often consumed to find the center of a blank of the product, or when the round product after machining needs to be repaired, the center of the product needs to be determined slowly by using a dial indicator, a skilled worker can find the center within 3 minutes, but for an unskilled worker, a long time is needed, the time is as short as 20 minutes, and the time is half an hour, so that the production progress of the product is seriously influenced.

Disclosure of Invention

In view of the above, it is necessary to provide a device for quickly finding a circle center, which can quickly locate the circle center.

The utility model provides a look for device in centre of a circle fast, includes annular seat, embraces tightly piece, synchronous drive mechanism, embrace the piece and locate the upper surface of annular seat tightly, embrace the piece and can follow the reciprocal slip of radial straight line of annular seat tightly, it is the several to embrace tightly the piece, and the piece is embraced tightly along annular seat circumference equipartition to the several, it is the arc terminal surface to embrace the one end in the annular seat centre of a circle tightly the piece face, and the several is embraced the centre of a circle of the arc terminal surface of tightly piece and is concentric, synchronous drive mechanism sets firmly in annular seat, synchronous drive mechanism can promote the several and embrace the same distance of the radial movement of tightly the piece along annular seat.

Preferably, the synchronous driving mechanism pushes each holding block to synchronously approach or depart from the center of the annular seat.

Preferably, the arc-shaped end surface of the clasping block is exposed out of the inner side edge of the annular seat towards the direction of the circle center of the annular seat.

Preferably, the synchronous driving mechanism includes first rack, first gear, connecting piece, the quantity of first rack is corresponding with the quantity of embracing tight piece, first gear rotates with the annular seat to be connected, first rack with embrace tight piece and be connected, first rack and annular seat sliding connection, each first rack correspond with a first gear engagement, two adjacent first gears pass through the connecting piece and connect to make two adjacent first gears synchronous rotation, the first gear of several passes through the connecting piece and links to each other end to end and forms into circular structure.

Preferably, the connecting piece includes head rod, first U-shaped frame, cross, second connecting rod, second U-shaped frame, first U-shaped frame includes first intermediate lamella and connects in the first curb plate of first intermediate lamella both sides, second U-shaped frame includes second intermediate lamella and connects in the second curb plate of second intermediate lamella both sides, the one end and the first gear connection of head rod, the other end and the first intermediate lamella of head rod are connected, the one end and another first gear connection of second connecting rod, the other end and the second intermediate lamella of second connecting rod are connected, the cross includes four pivots, a set of relative two pivots of cross is rotated with two first curb plates respectively and is connected, another set of relative two pivots of cross is rotated with two second curb plates respectively and is connected.

Preferably, the connecting piece includes third connecting rod, rectangle piece, third U-shaped frame, fourth connecting rod, the third U-shaped frame includes the third intermediate lamella and connects in the third curb plate of third intermediate lamella both sides, the one end and the first gear connection of third connecting rod, the other end and the third intermediate lamella of third connecting rod are connected, the one end and another first gear connection of fourth connecting rod, the other end and the rectangle piece of fourth connecting rod are connected, the height of rectangle equals the distance between two third curb plates, the relative both ends of rectangle piece rotate with two third curb plates respectively and are connected.

Preferably, the synchronous driving mechanism further comprises a second gear, a third gear, a fourth gear and a holding knob, the second gear, the third gear and the fourth gear are all rotationally connected with the annular seat, the second gear is meshed with one of the first gears, the third gear is meshed with the second gear, the fourth gear is meshed with the third gear, and the output end of the holding knob is coaxially connected with the input end of the fourth gear.

Preferably, look for device in centre of a circle fast still includes elevating system, elevating system includes base, support, slide rail, second rack, fifth gear, the support is located on the base, slide rail and support sliding fit, the annular seat sets firmly in the top of slide rail, the second rack is installed to one side of slide rail, installs the fifth gear on the support, the fifth gear meshes with the second rack.

Preferably, the lifting mechanism further comprises a stopping piece, the stopping piece comprises a fixing column, a torsion spring and a brake block, the fixing column is fixedly arranged on the support, the torsion spring is sleeved on the support, one end of the torsion spring is connected with the support, the other end of the torsion spring is connected with the brake block, one end of the brake block is a tip end, the tip end of the brake block is meshed with the fifth gear, and the other end of the brake block is rotatably connected with the support.

Preferably, the device for quickly finding the circle center further comprises a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a third rack and a sixth gear, the support is connected with the base in a sliding mode, the third rack is arranged on the support, the sixth gear is arranged on the base, and the sixth gear is meshed with the third rack.

Compared with the prior art, the invention has the beneficial effects that:

the product with the center of a circle to be determined is placed on the rotary table, the center of the circle of the rotary table is concentric with the center of the arc-shaped end face of the holding block, the plurality of holding blocks are folded, the end faces of the plurality of holding blocks form a circle, the diameter of the circle formed by the end faces of the plurality of holding blocks is gradually equal to the diameter of the product, the center of the circle of the product is concentric with the center of the end face of the holding block, and therefore the center of the circle of the product is concentric with the center of the circle of the rotary table. By adopting the technical scheme of the invention, the rotation center of a circular product can be quickly found, and the circle center of the product can be found within 30 seconds no matter a skilled worker or an unskilled worker, so that the time spent on finding the circle center in the processing process is greatly reduced, and the production progress can be effectively improved.

Drawings

Fig. 1 is an isometric view of the apparatus for rapidly finding the center of a circle.

Fig. 2 is a schematic view of the synchronous drive mechanism.

Fig. 3 is a schematic structural view of one embodiment of the connector.

Fig. 4 is a schematic structural view of another embodiment of the connector.

Fig. 5 is a schematic structural view of the stopper.

Fig. 6 is a schematic view of the device for quickly finding the center of a circle in a use state.

In the figure: the device comprises an annular seat 10, a holding block 20, a synchronous driving mechanism 30, a first rack 31, a first gear 32, a connecting piece 33, a first connecting rod 331, a first U-shaped frame 332, a cross 333, a second connecting rod 334, a second U-shaped frame 335, a third connecting rod 336, a rectangular block 337, a third U-shaped frame 338, a fourth connecting rod 339, a second gear 34, a third gear 35, a fourth gear 36, a holding knob 37, a product 40, a rotary table 50, a lifting mechanism 60, a base 61, a support 62, a sliding rail 63, a second rack 64, a fifth gear 65, a stop piece 66, a fixed column 661, a torsion spring 662 and a brake block 663.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 6, an embodiment of the present invention provides a device for quickly finding a circle center, including an annular seat 10, a plurality of clasping blocks 20, and a synchronous driving mechanism 30, wherein the clasping blocks 20 are disposed on an upper surface of the annular seat 10, the clasping blocks 20 can linearly slide in a reciprocating manner along a radial direction of the annular seat 10, the clasping blocks 20 are uniformly distributed along a circumferential direction of the annular seat 10, one ends of the clasping blocks 20 facing a circle center of the annular seat 10 are arc-shaped end surfaces, circle centers of the arc-shaped end surfaces of the clasping blocks 20 are concentric, the synchronous driving mechanism 30 is fixedly disposed on the annular seat 10, and the synchronous driving mechanism 30 can push the clasping blocks 20 to move along the radial direction of the annular seat 10 by a same distance.

The clasping block 20 is made of composite material, so that the product 40 is not damaged in the clasping process.

Compared with the prior art, the invention has the beneficial effects that:

the product 40 with the circle center to be determined is placed on the rotary table 50, the circle center of the rotary table 50 is concentric with the circle center of the arc-shaped end face of the holding block 20, the plurality of holding blocks 20 are mutually folded, the end faces of the plurality of holding blocks 20 form a circle, the diameter of the circle formed by the end faces of the plurality of holding blocks 20 is gradually equal to the diameter of the product 40, the circle center of the product 40 is concentric with the circle center of the end face of the holding block 20, and therefore the circle center of the product 40 is concentric with the circle center of the rotary table 50. By adopting the technical scheme of the invention, the rotation center of the circular product 40 can be quickly found, and the circle center of the product 40 can be found within 30 seconds no matter a skilled worker or an unskilled worker, so that the time spent on finding the circle center in the processing process is greatly reduced, and the production progress can be effectively improved.

Referring to fig. 1 to 6, further, the synchronous driving mechanism 30 pushes each hugging block 20 to synchronously approach or move away from the center of the annular seat 10.

Referring to fig. 1 to 6, further, the arc-shaped end surface of the holding block 20 is exposed out of the inner edge of the annular seat 10 in the direction of the center of the annular seat 10.

Referring to fig. 1 to 6, further, the synchronous driving mechanism 30 includes first racks 31, first gears 32, and connecting members 33, where the number of the first racks 31 corresponds to the number of the clasping blocks 20, the first gears 32 are rotatably connected to the annular seat 10, the first racks 31 are connected to the clasping blocks 20, the first racks 31 are slidably connected to the annular seat 10, each first rack 31 is correspondingly engaged with one first gear 32, two adjacent first gears 32 are connected by the connecting members 33, so that two adjacent first gears 32 rotate synchronously, and the first gears 32 are connected end to end by the connecting members 33 to form a circular structure. Specifically, the connecting member 33 is a universal joint or a bevel gear.

Referring to fig. 1 to 6, further, the connection member 33 includes a first connection rod 331, a first U-shaped frame 332, a cross 333, the first U-shaped frame 332 comprises a first middle plate and first side plates connected to two sides of the first middle plate, the second U-shaped frame 335 comprises a second middle plate and second side plates connected to two sides of the second middle plate, one end of the first connecting rod 331 is connected with the first gear 32, the other end of the first connecting rod 331 is connected with the first middle plate, one end of the second connecting rod 334 is connected with the other first gear 32, the other end of the second connecting rod 334 is connected with the second middle plate, the cross shaft 333 comprises four rotating shafts, one group of two opposite rotating shafts of the cross shaft 333 is respectively and rotatably connected with the two first side plates, and the other group of two opposite rotating shafts of the cross shaft 333 is respectively and rotatably connected with the two second side plates.

The second side plate is provided with a first connecting hole, the second side plate is provided with a second connecting hole, and the diameter of the rotating shaft of the cross 333 is equal to the diameter of the first connecting hole or the second connecting hole. The axis of rotation of cross 333 is preferably an interference fit with the first or second coupling holes to reduce transmission stack-up errors between the first plurality of gears 32.

Referring to fig. 1 to 6, further, the connection member 33 includes a third connection rod 336, a rectangular block 337, a third U-shaped frame 338, and a fourth connection rod 339, the third U-shaped frame 338 includes a third middle plate and third side plates connected to both sides of the third middle plate, one end of the third connection rod 336 is connected to the first gear 32, the other end of the third connection rod 336 is connected to the third middle plate, one end of the fourth connection rod 339 is connected to another first gear 32, the other end of the fourth connection rod 339 is connected to the rectangular block 337, the height of the rectangle is equal to the distance between the two third side plates, and the two opposite ends of the rectangular block 337 are rotatably connected to the two third side plates, respectively.

The first gear 32 drives the first rack 31 to linearly reciprocate along the radial direction of the annular seat 10, and the first rack 31 drives the holding block 20 to linearly reciprocate along the radial direction of the annular seat 10.

Referring to fig. 1 to 6, further, the synchronous driving mechanism 30 further includes a second gear 34, a third gear 35, a fourth gear 36, and a clasping knob 37, where the second gear 34, the third gear 35, and the fourth gear 36 are all rotationally connected to the annular seat 10, the second gear 34 is engaged with one of the first gears 32, the third gear 35 is engaged with the second gear 34, the fourth gear 36 is engaged with the third gear 35, and an output end of the clasping knob 37 is coaxially connected to an input end of the fourth gear 36.

Referring to fig. 1 to 6, further, the device for quickly finding the center of a circle further includes a lifting mechanism 60, the lifting mechanism 60 includes a base 61, a support 62, a slide rail 63, a second rack 64, and a fifth gear 65, the support 62 is disposed on the base 61, the slide rail 63 is in sliding fit with the support 62, the annular seat 10 is fixedly disposed at the top end of the slide rail 63, the second rack 64 is mounted on one side of the slide rail 63, the fifth gear 65 is mounted on the support 62, and the fifth gear 65 is engaged with the second rack 64.

Referring to fig. 1 to 6, further, the lifting mechanism 60 further includes a stopper 66, the stopper 66 includes a fixing post 661, a torsion spring 662 and a brake block 663, the fixing post 661 is fixedly disposed on the bracket 62, the torsion spring 662 is sleeved on the bracket 62, one end of the torsion spring 662 is connected with the bracket 62, the other end of the torsion spring 662 is connected with the brake block 663, one end of the brake block 663 is a tip, the tip of the brake block 663 is engaged with the fifth gear 65, and the other end of the brake block 663 is rotatably connected with the bracket 62.

Referring to fig. 1 to 6, further, the device for quickly finding the circle center further includes a horizontal adjusting mechanism, the horizontal adjusting mechanism includes a third rack and a sixth gear, the support 62 is slidably connected to the base 61, the third rack is disposed on the support 62, the sixth gear is disposed on the base 61, and the sixth gear is engaged with the third rack.

The use method of the device for quickly finding the circle center comprises the following steps:

firstly, fixing the bracket 62 relative to the base 61 by using a fastener to ensure the stability of the device;

operating the synchronous driving mechanism 30 to find the circle center of the rotary table 50, then positioning the rotary table 50 to enable the circle center of the arc-shaped end face of the holding block 20 to be concentric with the rotary table 50, and then placing the product 40 on the rotary table 50, wherein the product 40 is a silicon ring;

finding the height of the center of the silicon ring to be determined by using the lifting mechanism 60;

operating the synchronous driving mechanism 30 to find the circle center of the silicon ring, and then positioning the silicon ring;

eliminating the positioning deviation of the circle center of the silicon ring by using the horizontal adjusting mechanism, or rotating the rotary table 50 for 180 degrees again to position the circle center of the silicon ring again to eliminate the positioning deviation of the circle center;

the turntable 50 is rotated to drive the silicon ring thereon to rotate for processing.

When the device is used for the first time, the circle center of the holding block 20 needs to be found by using a dial gauge, the device is adjusted to enable the circle center of the device to be the same as the preset circle center, the adjusted circle center is positioned after being adjusted, then the device can be used, the circle center can be positioned and found for the circle center of the product 40 after being found, the circle center finding operation on the product 40 is not needed before each machining, and only when errors occur in machining or the circle center of the device is corrected every half year can the device be used. The device belongs to fool type operation, is simple and easy to understand, can also carry out circle center positioning to the silicon ring very fast even if new people, can fundamentally improve production efficiency.

In particular, in the technical scheme of the invention, the transmission of each first gear 32 in the synchronous driving mechanism 30 is realized by the connecting piece 33, and the connecting piece 33 can realize rigid transmission, so that the accumulative error is small and the precision is higher compared with a mode of adopting flexible transmission such as an air cylinder.

The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a look for device in centre of a circle fast which characterized in that: including annular seat, embrace tight piece, synchronous drive mechanism, embrace the piece and locate the upper surface of annular seat tightly, embrace the piece and can follow the reciprocal slip of radial straight line of annular seat tightly, it is the several to embrace tight the piece, and the several is embraced tight piece along annular seat circumference equipartition, it is the arc terminal surface to embrace the one end in the annular seat centre of a circle to embrace the piece face tightly, and the centre of a circle of the arc terminal surface of piece is concentric tightly embraced to the several, synchronous drive mechanism sets firmly in annular seat, synchronous drive mechanism can promote the several and embrace the same distance of the radial movement of tight piece along annular seat tightly.

2. The apparatus for fast finding the center of a circle according to claim 1, wherein: the synchronous driving mechanism pushes each holding block to synchronously approach or keep away from the circle center of the annular seat.

3. The apparatus for fast finding the center of a circle according to claim 1, wherein: the arc-shaped end face of the holding block is exposed out of the inner side edge of the annular seat towards the direction of the circle center of the annular seat.

4. The apparatus for fast finding the center of a circle according to claim 1, wherein: synchronous actuating mechanism includes first rack, first gear, connecting piece, the quantity of first rack is corresponding with the quantity of embracing the piece tightly, first gear rotates with the annular seat to be connected, first rack with embrace the piece tightly and be connected, first rack and annular seat sliding connection, each first rack correspond with a first gear engagement, and two adjacent first gears pass through the connecting piece and connect to make two adjacent first gears rotate in step, the first gear of several passes through the connecting piece and links to each other end to end and forms into circular structure.

5. The apparatus for fast finding the center of a circle according to claim 4, wherein: the connecting piece includes head rod, first U-shaped frame, cross axle, second connecting rod, second U-shaped frame, first U-shaped frame includes first intermediate lamella and connects in the first curb plate of first intermediate lamella both sides, second U-shaped frame includes the second intermediate lamella and connects in the second curb plate of second intermediate lamella both sides, the one end and the first gear connection of head rod, the other end and the first intermediate lamella of head rod are connected, the one end and another first gear connection of second connecting rod, the other end and the second intermediate lamella of second connecting rod are connected, the cross axle includes four pivots, a set of relative two pivots of cross axle rotates with two first curb plates respectively to be connected, another set of relative two pivots of cross axle rotates with two second curb plates respectively to be connected.

6. The apparatus for fast finding the center of a circle according to claim 4, wherein: the connecting piece includes third connecting rod, rectangular block, third U-shaped frame, fourth connecting rod, the third U-shaped frame includes the third intermediate lamella and connects in the third curb plate of third intermediate lamella both sides, the one end and the first gear connection of third connecting rod, the other end and the third intermediate lamella of third connecting rod are connected, the one end and another first gear connection of fourth connecting rod, the other end and the rectangular block of fourth connecting rod are connected, the height of rectangle equals the distance between two third curb plates, the both ends that the rectangular block is relative rotate with two third curb plates respectively and are connected.

7. The apparatus for fast finding the center of a circle according to claim 4, wherein: synchronous drive mechanism still includes second gear, third gear, fourth gear, holds the knob tightly, second gear, third gear, fourth gear all rotate with the ring carrier and are connected, second gear and one of them first gear engagement, third gear and second gear engagement, fourth gear and third gear engagement, hold the output of knob tightly and the input coaxial coupling of fourth gear.

8. The apparatus for fast finding the center of a circle according to claim 1, wherein: the device for quickly finding the circle center further comprises a lifting mechanism, the lifting mechanism comprises a base, a support, a sliding rail, a second rack and a fifth gear, the support is arranged on the base, the sliding rail is in sliding fit with the support, the annular seat is fixedly arranged on the top end of the sliding rail, the second rack is installed on one side of the sliding rail, the fifth gear is installed on the support, and the fifth gear is meshed with the second rack.

9. The apparatus for fast finding the center of a circle according to claim 8, wherein: the lifting mechanism further comprises a stop piece, the stop piece comprises a fixing column, a torsional spring and a brake block, the fixing column is fixedly arranged on the support, the torsional spring is sleeved on the support, one end of the torsional spring is connected with the support, the other end of the torsional spring is connected with the brake block, one end of the brake block is pointed, the pointed end of the brake block is meshed with the fifth gear, and the other end of the brake block is rotatably connected with the support.

10. The apparatus for fast finding the center of a circle according to claim 9, wherein: the device for quickly finding the circle center further comprises a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a third rack and a sixth gear, the support is connected with the base in a sliding mode, the third rack is arranged on the support, the sixth gear is arranged on the base, and the sixth gear is meshed with the third rack.