CN210901715U

CN210901715U - Bracelet positioning device of bracelet machine

Info

Publication number: CN210901715U
Application number: CN201922179973.7U
Authority: CN
Inventors: 郑锦; 陈乃彦
Original assignee: Shenzhen Hongheng Jewelry Co ltd
Current assignee: Shenzhen Hongheng Jewelry Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-03
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a bracelet positioner of bracelet machine relates to bracelet processing equipment, and it includes that base, circumference slide in a plurality of setting elements of base terminal surface and the driving piece that the drive setting element was kept away from each other, the radial slip of base is followed to the setting element, the base is close to the coaxial screw rod that is fixed with of terminal surface of setting element, the driving piece cup joints in the screw rod and slides along the screw rod, screw rod threaded connection has the fastening nut who drives the driving piece and remove towards the base, the diameter that the driving piece is close to the base is less than its diameter of keeping away from the base, the one end and the driving piece lateral wall butt that the setting element is close to the base axis, the one end and the bracelet. The bracelet is positioned by the driving piece and the positioning piece, and the positioning piece can slide along the radial direction of the base, so that bracelets of different sizes can be positioned without replacing the positioning device, and the bracelet can be processed more conveniently.

Description

Bracelet positioning device of bracelet machine

Technical Field

The utility model relates to a bracelet processing equipment especially relates to a bracelet positioner of bracelet machine.

Background

The metal bracelet is usually processed by a cNC bracelet machine when patterns are processed on the surface, before processing, a positioning clamp is used for connecting the bracelet with the cNC bracelet machine, and the position of the bracelet is fixed by the positioning clamp during connection.

The outer diameter of a traditional positioning clamp is usually kept unchanged, when bracelets of different sizes are machined, the positioning clamps of different outer diameters need to be used, at the moment, a cNC bracelet machine needs to be provided with a plurality of positioning clamps, when the bracelets of different sizes are machined, the positioning clamps need to be replaced, and therefore the bracelet machining efficiency is reduced.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a bracelet positioner of bracelet machine can fix a position not unidimensional bracelet to no longer need change positioner when processing not unidimensional bracelet, increase the efficiency of work.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bracelet positioner of bracelet machine, includes that base, circumference slide in a plurality of setting elements of base terminal surface and the driving piece that the drive setting element was kept away from each other, the setting element is along the radial slip of base, the terminal surface coaxial screw rod that is close to the setting element of base, the driving piece cup joints in the screw rod and slides along the screw rod, screw rod threaded connection has the fastening nut who drives the driving piece and remove towards the base, the diameter that the driving piece is close to the base is less than its diameter of keeping away from the base, the setting element is close to the one end and the driving piece lateral wall butt of base axis, the one end and the bracelet inner wall butt of.

Through adopting above-mentioned technical scheme, cup joint the bracelet in the locating piece when the adversary bracelet is fixed a position, later remove fastening nut towards the base direction to drive the driving piece and remove towards the base, utilize the driving piece to make the setting element remove towards the direction of keeping away from the base axis, thereby fix a position the bracelet, can be according to the size adjustment fastening nut of bracelet when fixing a position the bracelet and towards the distance that the base removed, thereby can fix a position not unidimensional bracelet, make the course of working of bracelet more convenient.

The utility model discloses further set up to: the screw rod has cup jointed the spring that promotes the driving piece and keep away from the base, the one end of spring and the terminal surface butt that the driving piece is close to the base, the other end and the base butt of spring.

Through adopting above-mentioned technical scheme, utilize the spring to exert the elasticity of keeping away from the base removal to the driving piece, make the driving piece can move towards the direction of keeping away from the base automatically when breaking away from with fastening nut to no longer need the manual work to remove the driving piece, make the process of bracelet follow the dismantlement on the setting element more convenient.

The utility model discloses further set up to: a plurality of first wedge faces have been seted up to driving piece outer wall circumference, the setting element has been seted up the second wedge face near the terminal surface of driving piece, first wedge face is parallel with the second wedge face, first wedge face and second wedge face butt.

By adopting the technical scheme, the contact area between the driving part and the positioning part is increased by utilizing the first wedge-shaped surface and the second wedge-shaped surface, the pressure intensity between the driving part and the positioning part is reduced, the limiting part and the driving part are not easy to damage, and the service life of the driving part and the limiting part is prolonged.

The utility model discloses further set up to: the setting element is close to all can dismantle the thickening piece of being connected with of driving piece's terminal surface, the laminating of thickening piece and second wedge face, the thickening piece other end and first wedge face butt.

Through adopting above-mentioned technical scheme, utilize the thickening piece to increase the terminal surface that the base axis was kept away from to the setting element to the interval of base axis, thereby make the setting element can fix a position the bracelet of bigger diameter, thereby further increased positioner's application scope.

The utility model discloses further set up to: the setting element is close to the terminal surface of driving piece and offers the guide way that is the level setting, the terminal surface that the thickening piece is close to the setting element is fixed with the guide block, the guide block joint is in the guide way.

Through adopting above-mentioned technical scheme, utilize the cooperation of guide block and guide way to be connected thickening piece and setting element to make thickening piece's dismouting more convenient.

The utility model discloses further set up to: the screw rod is kept away from one end threaded connection of base and is had the stopper, leave the clearance between stopper and the fastening nut.

Through adopting above-mentioned technical scheme, utilize the stopper to inject fastening nut's position, make fastening nut difficult to drop from the screw rod after unscrewing to make positioner's use remain stable.

The utility model discloses further set up to: the screw rod is kept away from the terminal surface of base and is seted up and be polygonal joint groove, the stopper has been close to the terminal surface of base and has been seted up the spread groove, the screw rod is inserted in the spread groove, the stopper is coaxial wear to be equipped with joint groove complex locating lever, the one end joint that the locating lever is close to the base is in the joint inslot.

Through adopting above-mentioned technical scheme, utilize the locating lever to restrict the rotation of stopper, make the stopper difficult emergence rotate to make fastening nut be difficult for dropping from the screw rod.

The utility model discloses further set up to: the end face, far away from the driving piece, of the positioning piece is fixedly connected with an elastic pad, and the end face, far away from the positioning piece, of the elastic pad is abutted to the inner wall of the bracelet.

By adopting the technical scheme, the elastic pad is abutted against the inner wall of the bracelet, so that the pressure applied by the positioning piece on the bracelet is reduced, the surface of the bracelet is not easy to damage, and the surface quality of the bracelet to be processed is not easy to influence.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the bracelet is positioned by the driving piece and the positioning piece, and the positioning piece can slide along the radial direction of the base, so that bracelets of different sizes can be positioned without replacing the positioning device, and the bracelet is more convenient to process;

2. the distance that the driving piece can move towards the direction far away from the axis of the base is increased by the thickening sheets, so that the applicable range of the positioning device is further increased.

Drawings

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

FIG. 2 is a schematic view illustrating a connection relationship between the driving member and the base;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B of fig. 2.

In the figure, 1, a base; 11. a guide groove; 12. a butting block; 13. a screw; 131. a clamping groove; 14. fastening a nut; 15. a spring; 16. a friction pad; 17. an elastic pad; 2. a positioning member; 21. a guide block; 22. positioning a groove; 23. a second wedge-shaped face; 24. thickening sheets; 241. a guide block; 25. a guide groove; 3. a drive member; 31. accommodating grooves; 32. a first wedge-shaped face; 4. a limiting block; 41. connecting grooves; 42. and (5) positioning the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the bracelet positioning device of a bracelet machine disclosed by the invention comprises a disc-shaped base 1 fixed on the bracelet machine by using bolts, a plurality of positioning pieces 2 circumferentially sliding on the end surface of the base 1, and a driving piece 3 driving the positioning pieces 2 to be away from each other. As shown in fig. 2, a plurality of T-shaped guide grooves 11 are circumferentially formed in the upper end of the base 1, the guide grooves 11 are perpendicular to the axis of the base 1 and penetrate through the side wall of the base 1, a guide block 21 (see fig. 3) is integrally formed on the end surface of the positioning member 2 close to the base 1, and the guide block 21 is inserted into the guide grooves 11 to slide. The opening of the guide groove 11 far away from the axis of the base 1 is connected with an abutting block 12 through a bolt, and a gap is reserved between the abutting block 12 and the end face of the guide block 21 far away from the axis of the base 1. Base 1 is close to the coaxial welding of setting element 2 has screw rod 13, and driving piece 3 cup joints in screw rod 13 and slides along the axis of screw rod 13, and the one end threaded connection that base 1 was kept away from to screw rod 13 has fastening nut 14, and fastening nut 14 is close to the terminal surface of base 1 and the terminal surface butt that base 1 was kept away from to driving piece 3. The diameter of the driving piece 3 close to the base 1 is smaller than that of the driving piece far away from the base 1, and the side wall of the driving piece is abutted against the end face of the positioning piece 2 close to the axis of the base 1. The end surfaces of the positioning pieces 2 far away from the axis of the base 1 are provided with positioning grooves 22, the positioning grooves 22 penetrate through the end surfaces of the positioning pieces 2 close to each other, and the positioning grooves 22 are abutted to the inner walls of the bracelets. When the bracelet is positioned, the bracelet is sleeved on the positioning block, then the fastening nut 14 is moved towards the base 1, so that the driving piece 3 is driven to move towards the base 1, the driving piece 3 is utilized to enable the positioning piece 2 to move towards the direction far away from the axis of the base 1, the bracelet is positioned, the distance of the fastening nut 14 moving towards the base 1 can be adjusted according to the size of the bracelet when the bracelet is positioned, the bracelets with different sizes can be positioned, and the processing process of the bracelet is more convenient.

As shown in fig. 2, the bracelet can still be detached from the positioning block in a troublesome manner, since the driving member 3 still needs to be manually moved away from the base 1 when the fastening nut 14 is moved away from the base 1. Therefore, the screw 13 is sleeved with the spring 15 for pushing the driving part 3 to be away from the base 1, the accommodating groove 31 is coaxially formed in the end surface of the driving part 3 close to the base 1, one end of the spring 15 abuts against the end surface of the accommodating groove 31 away from the base 1, and the other end of the spring 15 abuts against the end surface of the base 1. The spring 15 is used for applying elastic force to the driving piece 3 to move away from the base 1, so that the driving piece 3 can automatically move towards the direction away from the base 1 when being separated from the fastening nut 14, manual movement of the driving piece 3 is not needed, and the process of detaching the bracelet from the positioning piece 2 is more convenient.

As shown in fig. 1, since the contact area between the driving member 3 and the positioning member 2 is small, the pressure between the driving member 3 and the positioning member 2 is large when the driving member and the positioning member are in contact, which easily causes the driving member 3 and the positioning member 2 to wear, and affects the service life. Therefore, a plurality of first wedge-shaped surfaces 32 which are obliquely arranged are arranged on the outer wall of the driving part 3 in the circumferential direction, and one end, close to the base 1, of each first wedge-shaped surface 32 inclines towards the axis direction of the base 1. The end surface of the positioning member 2 close to the driving member 3 is provided with a second wedge-shaped surface 23, one end of the second wedge-shaped surface 23 far away from the base 1 inclines towards the axis direction far away from the base 1, and the second wedge-shaped surface 23 is parallel to the first wedge-shaped surface 32 abutted against the second wedge-shaped surface. The first wedge-shaped surface 32 and the second wedge-shaped surface 23 increase the contact area between the driving member 3 and the positioning member 2, reduce the pressure between the driving member and the positioning member, and prevent the positioning member and the driving member 3 from being damaged, thereby prolonging the service life of the driving member 3 and the positioning member.

As shown in fig. 3, the size of some bracelets can produce great change, this moment, it is necessary to make the positioning element 2 move a greater distance, therefore, the end surface of the positioning element 2 close to the driving element 3 is detachably connected with the thickening sheet 24, one end of the thickening sheet 24 close to the axis of the base 1 abuts against the first wedge-shaped surface 32, the other end of the thickening sheet 24 is attached to the end surface of the positioning element 2 close to the axis of the base 1 and the first wedge-shaped surface 32, the distance from the end surface of the positioning element 2 far away from the axis of the base 1 to the axis of the base 1 is increased by using the thickening sheet 24, and thus the positioning element 2 can position the bracelets with a greater diameter, and the application range of the.

As shown in fig. 3, in order to make the mounting and dismounting of the thickened plate 24 more convenient, a horizontally arranged guide groove 25 is formed on the end surface of the positioning member 2 close to the driving frame member, and the longitudinal section of the guide groove 25 is T-shaped and penetrates through one side wall of the positioning member 2. The end face of the thickening sheet 24 close to the positioning piece 2 is integrally formed with a guide block 241, and the guide block 241 is clamped in the guide groove 25. The thickened piece 24 is connected with the positioning piece 2 by the matching of the guide block 241 and the guide groove 25, so that the thickened piece 24 is more convenient to disassemble and assemble.

As shown in fig. 4, since the fastening bolt is liable to fall off the screw 13 after the fastening bolt is loosened, the use of the positioning device is affected at this time. Therefore, one end, far away from the base 1, of the screw 13 is connected with the limiting block 4, the limiting block 4 is provided with a connecting groove 41 coaxially close to the end face of the base 1, and the screw 13 is inserted into the connecting groove 41 and is in threaded connection with the limiting block 4. The position of the fastening nut 14 is limited by the limiting block 4, so that the fastening nut 14 is not easy to fall off the screw 13 after being unscrewed, and the using process of the positioning device is stable.

As shown in fig. 4, since the stopper 4 is still rotated, the fastening nut 14 is still dropped. Therefore screw 13 keeps away from the terminal surface of base 1 and has offered and be polygonal joint groove 131, stopper 4 wears to be equipped with joint groove 131 complex locating lever 42, and locating lever 42 passes stopper 4 and inserts and arrange in joint groove 131, and joint groove 131 inner wall glues even has friction pad 16, and friction pad 16 is close to the lateral wall butt of screw 13 axis and locating lever 42. The positioning rod 42 is used for limiting the rotation of the limiting block 4, so that the limiting block 4 is not easy to rotate, and the fastening nut 14 is not easy to fall off from the screw 13.

As shown in FIG. 2, since the positioning element 2 can move along the radial direction of the base 1, the positioning slot 22 can not be attached to the inner wall of the bracelet, so that the inner wall of the bracelet is deformed, and the surface quality of the processed bracelet is affected. Therefore, the positioning grooves 22 are all adhered with elastic pads 17, and the end faces of the elastic pads 17 far away from the axis of the base 1 are abutted against the inner walls of the bracelets. The elastic pad 17 is abutted against the inner wall of the bracelet, so that the pressure applied by the positioning piece 2 to the bracelet is reduced, the surface of the bracelet is not easy to damage, and the surface quality of the bracelet to be processed is not easy to influence.

The implementation principle of the embodiment is as follows: before the bracelet is sleeved on the positioning device, the positioning pieces 2 are mutually close by hands, then the bracelet is sleeved on the positioning pieces 2, then the fastening nuts 14 are rotated to move towards the base 1, the positioning pieces 2 move towards the direction far away from the axis of the base 1 by utilizing the driving piece 3, the elastic pads 17 are abutted against the inner wall of the bracelet, and at the moment, the bracelet can be machined. When the size of the bracelet to be processed is changed more, the guide block 241 of the thickening sheet 24 is inserted into the guide slot 25, and the distance between one end of the positioning piece 2 far away from the axis of the base 1 and the axis of the base 1 is increased, so that the bracelet with larger size can be processed.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A bracelet positioning device of a bracelet machine is characterized in that: including base (1), circumference slide in a plurality of setting elements (2) of base (1) terminal surface and drive driving piece (3) that setting element (2) kept away from each other, the radial slip of base (1) is followed in setting element (2), the terminal surface coaxial fixation that base (1) is close to setting element (2) has screw rod (13), driving piece (3) cup joint in screw rod (13) and slide along screw rod (13), screw rod (13) threaded connection has fastening nut (14) that drives driving piece (3) and move towards base (1), the diameter that driving piece (3) are close to base (1) is less than its diameter of keeping away from base (1), the one end and driving piece (3) lateral wall butt that setting element (2) are close to base (1) axis, the one end and the bracelet inner wall butt of base (1) axis are kept away from to setting element (2).

2. The bracelet positioning device of a bracelet machine according to claim 1, wherein: screw rod (13) cup joint and promote spring (15) that driving piece (3) kept away from base (1), the terminal surface butt that one end and driving piece (3) of spring (15) are close to base (1), the other end and base (1) butt of spring (15).

3. The bracelet positioning device of a bracelet machine according to claim 1, wherein: a plurality of first wedge faces (32) have been seted up to driving piece (3) outer wall circumference, second wedge face (23) have been seted up to setting element (2) terminal surface that is close to driving piece (3), first wedge face (32) are parallel with second wedge face (23), first wedge face (32) and second wedge face (23) butt.

4. The bracelet positioning device of a bracelet machine according to claim 3, wherein: the terminal surface that setting element (2) are close to driving piece (3) all can be dismantled and be connected with thickening piece (24), thickening piece (24) and second wedge face (23) laminating, thickening piece (24) other end and first wedge face (32) butt.

5. The bracelet positioning device of a bracelet machine according to claim 4, wherein: guide way (25) that are the level setting are seted up to setting element (2) terminal surface that is close to driving piece (3), thickening piece (24) are close to the terminal surface of setting element (2) and are fixed with guide block (241), guide block (241) joint is in guide way (25).

6. The bracelet positioning device of a bracelet machine according to claim 1, wherein: the screw rod (13) is far away from one end of the base (1) and is in threaded connection with a limiting block (4), and a gap is reserved between the limiting block (4) and the fastening nut (14).

7. The bracelet positioning device of a bracelet machine according to claim 6, wherein: the terminal surface that base (1) was kept away from in screw rod (13) has been seted up and has been polygonized joint groove (131), connecting groove (41) have been seted up to the terminal surface that stopper (4) are close to base (1), screw rod (13) are inserted in connecting groove (41), stopper (4) are coaxial to be worn to be equipped with joint groove (131) complex locating lever (42), the one end joint that locating lever (42) are close to base (1) is in joint groove (131).

8. The bracelet positioning device of a bracelet machine according to claim 1, wherein: the end face, far away from the driving piece (3), of the positioning piece (2) is fixedly connected with an elastic pad (17), and the end face, far away from the positioning piece (2), of the elastic pad (17) is abutted to the inner wall of the bracelet.