CN212794543U

CN212794543U - Automatic tool of polishing of stylus nib

Info

Publication number: CN212794543U
Application number: CN202021439674.9U
Authority: CN
Inventors: 廖思龙
Original assignee: Kunshan Qieheng Precision Components Technology Co ltd
Current assignee: Kunshan Qieheng Precision Components Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-26
Anticipated expiration: 2030-07-21

Abstract

The utility model provides an automatic tool of polishing of touch-control pen nib, it includes the rotatable frock casing of installing on the lathe bench of polishing, the upper end of frock casing has linked firmly the guide shell assembly, the inner chamber bottom of frock casing has linked firmly the cylinder, the piston rod upper end of cylinder has linked firmly the switching stand, run through along radial slip on the switching stand and be provided with the unable adjustment base who links firmly with the frock casing, unable adjustment base's centre has linked firmly the installation sleeve, the switching stand is stretched into to the telescopic upper end of installation, the top of switching stand evenly is provided with a plurality of radial sliding's clamping jaw along circumference, set up on the guide shell assembly with clamping jaw sliding fit's guide structure. The machine table for the polishing jig is fixed and polished to replace manual handheld polishing operation in the prior art, labor cost is reduced, concentricity of the jig reaches +/-0.005 mm, precision of a product is guaranteed to be below 0.02-0.03mm, quality stability of the product is guaranteed, and product quality is guaranteed.

Description

Automatic tool of polishing of stylus nib

Technical Field

The utility model relates to an automatic tool of polishing of stylus nib belongs to the stylus nib technical field that polishes.

Background

A stylus is a small pen-shaped tool used to input commands to a computer screen, a mobile device, a drawing board, and other devices having a touch screen, and a user can select a document or draw by clicking the touch screen with a pen point of the stylus. The surface quality of the stylus pen point directly concerns the use experience of the stylus pen, and therefore, polishing of the stylus pen point is a very critical step in the stylus pen processing process. At present, the traditional polishing mode for the stylus pen point is manual hand-held polishing, the labor cost of the polishing mode is high, the polishing curved surface easily causes bad production such as overhauling and overhearing, the quality stability is poor, and the defects in the prior art are overcome.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is exactly to prior art exist not enough, and provide an automatic tool of polishing of stylus nib, should polish for the tool board fixed the manual work hand-held type operation of polishing of replacing of polishing, reduced the human cost, guaranteed the stability of quality of product, ensured product quality.

The scheme is realized by the following technical measures: this automatic tool of polishing of stylus nib includes the rotatable frock casing of installing on the lathe bench of polishing, the upper end of frock casing has linked firmly the direction shell assembly, the inner chamber bottom of frock casing has linked firmly the cylinder, the piston rod upper end of cylinder has linked firmly the switching stand, run through along radial slip on the switching stand and be provided with the unable adjustment base who links firmly with the frock casing, unable adjustment base's centre has linked firmly the installation sleeve, the switching stand is stretched into to the telescopic upper end of installation, the top of switching stand evenly is provided with a plurality of radial sliding's clamping jaw along circumference, seted up on the direction shell assembly with clamping jaw sliding fit's guide structure.

Preferably, the fixing base is connected with an air pipe in a penetrating manner, the inner side end of the air pipe penetrates through the bottom of the side wall of the mounting sleeve and is communicated with the inner cavity of the mounting sleeve, and the outer side end of the air pipe is connected with a vacuum detection device.

Preferably, the guide shell assembly comprises a cylindrical shell and a conical shell, the cylindrical shell is arranged at the lower part, the conical shell is arranged at the upper part, the outer diameter of the cylindrical shell is larger than the outer diameter of the large end of the conical shell, a plurality of axial guide channels are uniformly arranged on the conical shell along the circumferential direction, the upper end and the lower end of each axial guide channel penetrate through the upper end and the lower end of the conical shell, an auxiliary guide groove which is in butt joint with the axial guide channels and has the same extension direction is arranged at the upper end of the cylindrical shell, and the outer side of the conical shell is fixedly connected with an outer cover which is matched with.

Preferably, the lateral wall of the switching stand column is symmetrically provided with two vertical guide holes in sliding fit with the fixed base, and two ends of the fixed base extend out of the vertical guide holes and are fixedly connected with the top of the tool shell through bolt assemblies.

Preferably, the top of switching stand is seted up and is equaled and the radial mounting groove that the position corresponds with clamping jaw quantity, the bottom of clamping jaw links firmly the sliding block with radial mounting groove sliding fit.

Preferably, the middle part of the fixed base is provided with a mounting groove corresponding to the position of the mounting sleeve, and the side wall of the mounting groove is provided with a horizontal through hole matched with the air pipe in a penetrating manner.

Preferably, the side wall of the mounting sleeve is provided with a radial through hole which is matched with the air pipe and is concentric with the horizontal through hole.

Preferably, the vacuum detection device is a digital display pressure gauge.

Preferably, the bottom of the outer cover is integrally formed with a first cylindrical connecting section, the bottom of the conical shell is provided with a second cylindrical connecting section corresponding to the first cylindrical connecting section, the conical shell, the second cylindrical connecting section and the cylindrical shell are of an integrally formed structure, and the first cylindrical connecting section is fixedly connected with the second cylindrical connecting section through a bolt assembly.

Preferably, the tool housing and the machine tool grinding table are rotatably connected by a structure comprising: the lathe is polished bench and is rotated through the bearing and be connected with the back shaft, the bottom of lathe polishing platform has linked firmly servo motor, servo motor's output links firmly with the bottom of back shaft, the top of back shaft links firmly with the bottom of frock casing.

The beneficial effects of the utility model can learn according to the narration to above-mentioned scheme, among this stylus nib automation tool of polishing, polish the artifical hand-held type operation of polishing that replaces among the prior art with the board is fixed, reduced the human cost, the concentricity of this tool reaches 0.005mm, and the quality stability of product has been guaranteed to the precision assurance of product below 0.02-0.03mm, has ensured product quality. Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the local decomposition structure of the present invention.

Fig. 3 is a schematic view of a partial structure of the present invention.

In the figure, 1-clamping jaw, 2-guide shell assembly, 3-tool shell, 4-supporting shaft, 5-servo motor, 6-machine tool grinding table, 7-air pipe, 8-vacuum detection device, 9-axial guide channel, 10-cylindrical connecting section II, 11-conical shell, 12-positioning shoulder, 13-auxiliary guide groove, 14-cylindrical shell, 15-outer cover, 16-cylindrical connecting section I, 17-mounting sleeve, 18-radial through hole, 19-horizontal through hole, 20-connecting lug plate, 21-air cylinder, 22-fixing base, 23-mounting groove, 24-vertical guide hole, 25-sliding block, 26-switching upright column and 27-radial mounting groove.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

The utility model provides an automatic tool of polishing of stylus nib, as shown in the figure, it includes the rotatable frock casing 3 of installing on lathe platform 6 of polishing, frock casing 3 is with the rotation connection structure of lathe platform 6 of polishing: the grinding machine tool is characterized in that a supporting shaft 4 is rotatably connected to the grinding machine tool table 6 through a bearing, the bottom of the grinding machine tool table 6 is fixedly connected with a servo motor 5, the output end of the servo motor 5 is fixedly connected with the bottom of the supporting shaft 4, and the top of the supporting shaft 4 is fixedly connected with the bottom of the tool shell 3. After adopting this kind of structural style, servo motor 5 drive back shaft 4 rotates, and back shaft 4 drives frock casing 3 and rotates, realizes the conversion of the position of polishing. In order to further improve the efficiency of the grinding operation, a plurality of tool housings 3 can be uniformly arranged on the machine tool grinding table 6, and preferably 3-9 tool housings 3 are uniformly arranged on the machine tool grinding table 6.

The upper end of the tool shell 3 is fixedly connected with a guide shell assembly 2, and a guide structure in sliding fit with the clamping jaw 1 is arranged on the guide shell assembly 2. Specifically, the guide shell assembly 2 includes a cylindrical shell 14 positioned below and a conical shell 11 positioned above, and the outer diameter of the cylindrical shell 14 is greater than the outer diameter of the large end of the conical shell 11, so that a positioning shoulder 12 is formed at the junction of the cylindrical shell 14 and the conical shell 11, a plurality of axial guide channels 9 are uniformly formed on the conical shell 11 along the circumferential direction, the upper end and the lower end of each axial guide channel 9 penetrate through the upper end and the lower end of the conical shell 11, an auxiliary guide groove 13 which is in butt joint with the axial guide channels 9 and has the same extension direction is formed at the upper end of the cylindrical shell 14, an outer cover 15 which is adapted to the shape of the conical shell 11 is fixedly connected to the outer side of the conical shell 11, a cylindrical connection section one 16 is integrally formed at the bottom of the outer cover 15, the outer diameter of the cylindrical connection section one 16 is equal to the outer diameter of the large end of the outer cover 15, and a cylindrical connection section two 10 which corresponds to, the external diameter of the second cylindrical connecting section 10 is equal to the outer end of the large end of the conical shell 11, the second cylindrical connecting section 10 and the cylindrical shell 14 are of an integrally formed structure, the first cylindrical connecting section 16 is fixedly connected with the second cylindrical connecting section 10 through a bolt assembly, the outer cover 15 is fixedly connected with the conical shell 11 through the structure, the bottom of the outer cover 15 is in contact with the positioning shoulder 12, the positioning shoulder 12 limits the bottom of the outer cover 15, the mounting stability of the outer cover 15 is further improved, meanwhile, the positioning shoulder 12 provides a space for the auxiliary guide groove 13 to be arranged, a sufficient space is reserved for the movement of the clamping jaw 1, and the clamping jaw 1 can normally move.

The inner chamber bottom of frock casing 3 has linked firmly cylinder 21, cylinder 21 is the straight cylinder that pushes away, the piston rod upper end of cylinder 21 has linked firmly switching stand 26, but switching stand 26's top evenly is provided with a plurality of radial sliding's clamping jaw 1 along circumference, the radial mounting groove 27 that equals and the position corresponds with clamping jaw 1 is seted up at switching stand 26's top, and radial mounting groove 27 is T type groove, radial mounting groove 27 link up with switching stand 26's inner chamber, clamping jaw 1's bottom has linked firmly and has realized radial mounting groove 27 sliding fit's sliding block 25, sliding block 25 is for the T type piece with T type groove sliding fit, and radial mounting groove 27 and sliding block 25's cooperation can be guaranteed that clamping jaw 1 can radial movement and realize that clamping jaw 1's shrink is pressed from both sides tightly or open. The fixed base 22 fixedly connected with the tool housing 3 is arranged on the switching upright post 26 in a penetrating mode along the radial direction in a sliding mode, particularly, two vertical guide holes 24 in sliding fit with the fixed base 22 are symmetrically formed in the side wall of the switching upright post 26, the fixed mounting of the fixed base 22 and the vertical movement of the switching upright post 26 can be guaranteed through the structural mode, the vertical guide holes 24 are matched with the fixed base 22, the movement of the switching upright post 26 can be limited and guided, and the stability of the vertical movement of the switching upright post 26 is guaranteed.

The two ends of the fixed base 22 extend out of the vertical guide holes 24 and are fixedly connected with the top of the tool shell 3 through bolt assemblies, one end, extending out of the vertical guide holes 24, of the fixed base 22 is fixedly connected with a connecting lug plate 20, a threaded hole matched with the bolt assemblies is formed in the connecting lug plate 20, the middle of the fixed base 22 is fixedly connected with a mounting sleeve 17, the upper end of the mounting sleeve 17 extends into a switching upright post 26, a mounting groove 23 corresponding to the position of the mounting sleeve 17 is formed in the middle of the fixed base 22, the bottom of the mounting sleeve 17 is inserted into the mounting groove 23 and is fixedly connected with the fixed base 22 through the bolt assemblies, an air pipe 7 is connected to the fixed base 22 in a penetrating manner, the inner side end of the air pipe 7 penetrates through the bottom of the side wall of the mounting sleeve 17 and is communicated with the inner cavity of the mounting sleeve 17, the outer side end of the air pipe 7, the digital display pressure gauge displays the vacuum pressure value at the bottom inside the mounting sleeve 17, and when the value is larger than a specified value, the stylus is mounted at a fixed position, and when the value is smaller than the specified value, the stylus is not mounted at the fixed position. Specifically, a horizontal through hole 19 matched with the air pipe 7 is formed in the side wall of the mounting groove 23 in a penetrating manner, a radial through hole 18 matched with the air pipe 7 and concentric with the horizontal through hole 19 is formed in the side wall of the mounting sleeve 17, and the two auxiliary guide grooves 13 corresponding to the vertical guide holes 24 penetrate through the side wall of the cylindrical shell 14, so that on the premise that the clamping jaw 1 can normally act, a sufficient operation space can be reserved for mounting and connecting the air pipe 7.

In this automatic tool of polishing of touch-control pen nib, the nib of touch-control pen is installed up in installation sleeve 17, when vacuum detection device 8 bled air to the bottom of installation sleeve 17 through trachea 7, if the touch-control pen placed to target in place and can block up radial through-hole 18 on the installation sleeve 17 lateral wall, vacuum detection device 8's vacuum detection numerical value can reach regulation numerical value, if the touch-control pen did not place to target in place, then vacuum detection device 8's vacuum detection numerical value can not reach regulation numerical value.

After the stylus pen is placed in place, the piston rod of the air cylinder 21 drives the switching stand column 26 and the clamping jaws 1 to move upwards, under the action of the axial guide channel 9, the clamping jaws 1 are closed to clamp the upper portion of the stylus pen tightly, namely, the pen point of the stylus pen can be polished through the polishing head of the machine tool, after polishing is completed, the supporting shaft 4 can be driven by the servo motor 5 to rotate, and the supporting shaft 4 drives the tool shell 3 to rotate to perform conversion of polishing positions. After the stylus point is polished, the piston rod of the cylinder 21 drives the switching upright post 26 and the clamping jaws 1 to move downwards, under the action of the axial guide channel 9, each clamping jaw 1 is opened, the clamping on the upper part of the stylus is released, the polished stylus is taken out of the mounting sleeve 17, the stylus to be polished is placed in the mounting sleeve 17, and the operation steps are repeated.

This automatic tool of polishing of touch-control pen nib is with fixed manual hand-held type operation of polishing that replaces among the prior art of polishing of board, the machine automation of having realized the touch-control pen nib is polished, the human cost has been reduced compared with prior art, the effectual efficiency of polishing that has improved, the same field, its production efficiency is manual or 5-9 times of robot, and can promote the quality of polishing, the stability of quality of touch-control pen nib has been guaranteed, the concentricity of this tool reaches 0.005mm, size precision is high (below 0.02-0.03 mm), can 100% do 3D curved surface contour machining, product quality is guaranteed. The contact surface of the clamping jaw 1 and a product in the jig is mirror polished, so that the product clamp is effectively prevented from being damaged.

The technical features of the present invention that are not described can be realized by the prior art, and are not described herein again. The present invention is not limited to the above embodiments, and variations, modifications, additions and substitutions made by those skilled in the art within the scope of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an automatic tool of polishing of stylus nib, characterized by: it includes the rotatable frock casing of installing on the lathe platform of polishing, the upper end of frock casing has linked firmly the direction shell assembly, the inner chamber bottom of frock casing has linked firmly the cylinder, the piston rod upper end of cylinder has linked firmly the switching stand, run through along radial sliding on the switching stand and be provided with the unable adjustment base who links firmly with the frock casing, unable adjustment base's centre has linked firmly the installation sleeve, the switching stand is stretched into to the telescopic upper end of installation, the top of switching stand evenly is provided with a plurality of radial sliding's clamping jaw along circumference, set up on the direction shell assembly with clamping jaw sliding fit's guide structure.

2. The automatic grinding tool of stylus nib of claim 1, characterized by: the fixing base is connected with an air pipe in a penetrating mode, the inner side end of the air pipe penetrates through the bottom of the side wall of the mounting sleeve and is communicated with the inner cavity of the mounting sleeve, and the outer side end of the air pipe is connected with a vacuum detection device.

3. The automatic stylus tip polishing jig according to claim 1 or 2, characterized in that: the guide shell assembly comprises a cylindrical shell and a conical shell, the cylindrical shell is arranged at the lower part, the conical shell is arranged at the upper part, the outer diameter of the cylindrical shell is larger than the outer diameter of the large end of the conical shell, a plurality of axial guide channels are uniformly arranged on the conical shell along the circumferential direction, the upper end and the lower end of each axial guide channel penetrate through the upper end and the lower end of the conical shell, an auxiliary guide groove which is in butt joint with the axial guide channels and has the same extension direction is formed in the upper end of the cylindrical shell, and the outer side of the conical shell is fixedly connected with an outer cover matched with the.

4. The automatic grinding tool of stylus nib of claim 3, characterized by: two vertical guide holes in sliding fit with the fixed base are symmetrically formed in the side wall of the switching upright post, and two ends of the fixed base extend out of the vertical guide holes and are fixedly connected with the top of the tool shell through bolt assemblies.

5. The automatic grinding tool of stylus nib of claim 4, characterized by: the top of switching stand is seted up and is equallyd divide and the radial mounting groove that the position corresponds, the bottom of clamping jaw link firmly with radial mounting groove sliding fit's sliding block.

6. The automatic grinding tool of stylus nib of claim 5, characterized by: the middle part of unable adjustment base sets up the mounting groove that corresponds with the installation sleeve position, run through on the lateral wall of mounting groove and set up with trachea complex horizontal through-hole.

7. The automatic grinding tool of stylus nib of claim 6, characterized by: and the side wall of the mounting sleeve is provided with a radial through hole which is matched with the air pipe and is concentric with the horizontal through hole.

8. The automatic grinding tool of stylus nib of claim 2, characterized by: the vacuum detection device is a digital display pressure gauge.

9. The automatic grinding tool of stylus nib of claim 3, characterized by: the bottom of the outer cover is integrally formed with a first cylindrical connecting section, the bottom of the conical shell is provided with a second cylindrical connecting section corresponding to the first cylindrical connecting section, the conical shell, the second cylindrical connecting section and the cylindrical shell are of an integrally formed structure, and the first cylindrical connecting section and the second cylindrical connecting section are fixedly connected through a bolt assembly.

10. The automatic stylus tip polishing jig according to claim 1 or 2, characterized in that: the tool shell and the machine tool grinding table are rotatably connected by a structure comprising: the lathe is polished bench and is rotated through the bearing and be connected with the back shaft, the bottom of lathe polishing platform has linked firmly servo motor, servo motor's output links firmly with the bottom of back shaft, the top of back shaft links firmly with the bottom of frock casing.