CN215881106U

CN215881106U - Surface blank polishing device

Info

Publication number: CN215881106U
Application number: CN202122024568.5U
Authority: CN
Inventors: 高承文; 傅芳禄; 全忠其
Original assignee: Hubei Xinfubao Precision Technology Co ltd
Current assignee: Hubei Xinfubao Precision Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of watchcase polishing, and discloses a watchcase polishing device which comprises a polisher body, wherein the polisher body comprises a rack and a grinding wheel, an automatic polishing mechanism is arranged in front of the grinding wheel on the polisher body, the automatic polishing device comprises a workbench, a mounting plate is arranged at the upper end of the workbench, a cylindrical cam is arranged at the upper end of the mounting plate, a connecting rod is slidably embedded in a curve groove of the cylindrical cam, a supporting plate is arranged between the grinding wheel and the cylindrical cam at the upper end of the mounting plate, the middle part of the connecting rod is hinged with a supporting part, a telescopic component is arranged at one end of the connecting rod, which is far away from the cylindrical cam, and a watchcase clamping component is arranged at one end of the telescopic component.

Description

Surface blank polishing device

Technical Field

The utility model relates to the technical field of watchcase polishing, in particular to a watch blank polishing device.

Background

A watch is a precise timing instrument, which comprises a watch case, a watch band and a precise component inside the watch case, wherein in the process of producing the watch case, the appearance of the watch case is preliminarily formed after raw materials of the watch case pass through a material cutting and a through hole, the watch case meeting the requirements can be formed by a plurality of processes such as polishing, drilling and the like subsequently, in the process of polishing the watch case, different parts of the watch case need to be polished in different processes, the two side edges of a blank are polished by manual polishing in the prior process, namely, one side edge of the watch case needing to be polished is aligned to a grinding wheel of a polisher by manually holding the watch case, after polishing is finished, the watch case is rotated, and the other side edge of the watch case is polished, so that the polishing effect is achieved, however, the efficiency is lower due to the manual polishing, meanwhile, the manual close-distance contact with the grinding wheel exists safety hidden troubles, there is therefore a need for a watch blank grinding device that replaces manual operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a surface blank polishing device which has the effects of improving manual operation and polishing efficiency.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a table base grinding device, includes the polisher body, the polisher body includes frame and emery wheel, the place ahead that the polisher body is located the emery wheel is provided with automatic grinding machanism, automatic grinding device includes the workstation, the workstation upper end is provided with the mounting panel, the upper end of mounting panel is provided with the cylindrical cam, the cylindrical cam bottom is connected with the motor, it is equipped with the connecting rod to slide to inlay in the curve recess of cylindrical cam, the mounting panel upper end be located the emery wheel with be provided with the backup pad between the cylindrical cam, the connecting rod middle part with the supporting part is articulated, the one end that the cylindrical cam was kept away from to the connecting rod is provided with scalable subassembly, the one end of scalable subassembly is provided with table base centre gripping subassembly.

As a further arrangement of the utility model, the telescopic assembly comprises a sleeve coaxially sleeved outside the connecting rod in a sliding manner, a spring is arranged inside the sleeve, one end of the spring is fixedly connected with the sleeve, the other end of the spring is fixedly connected with the connecting rod, and a surface blank clamping assembly is arranged outside the sleeve.

According to the further arrangement of the utility model, the watch blank clamping assembly comprises a fixed plate fixed at the top of the sleeve, a watch blank positioning convex part is arranged in the middle of the fixed plate, a clamping plate is hinged to one side of the fixed plate, and elastic buckles are arranged on one symmetrical side edge of the fixed plate, which is positioned at the hinged position of the fixed plate and the clamping plate.

Through adopting above-mentioned technical scheme, the mode of adopting cylindrical cam and connecting rod can make the connecting rod do the circular motion of luffing motion, and the table base passes through the centre gripping subassembly to be fixed at the front end of connecting rod, when the connecting rod luffing motion to with the emery wheel contact, the emery wheel is polished to the watch shell, and when the connecting rod continues the swing, the emery wheel produced pressure to the table base, and pressure makes the spring shrink in the sleeve to make the connecting rod can continue the swing, and then continue to polish to the table base side, thereby replace artifical manual operation.

As a further arrangement of the utility model, a lead screw is arranged at the bottom of the mounting plate, the lead screw is horizontally arranged along the length direction of the connecting rod, slide bars are symmetrically arranged at two sides of the lead screw, a slide block is fixed at the bottom of the mounting plate, the slide block is fixedly connected to a lead screw nut of the lead screw, the slide block penetrates through the slide bar in a sliding manner, and an adjusting hand wheel is arranged at one end of the lead screw, which is far away from the grinding wheel.

Through adopting above-mentioned technical scheme, through the regulatory action of lead screw, the adjustable table base is for the position of emery wheel, when the effect of polishing is not good, adjusts the position of table base with adjusting the lead screw to the adjustment effect of polishing.

As a further arrangement of the utility model, the inner cavity of the sleeve is of a square structure, and the top of the connecting rod is of a square structure matched with the inner cavity of the sleeve.

Through adopting above-mentioned technical scheme, the structure is avoided the surface base to take place to deflect at the in-process of polishing, leads to the polishing surface deviation.

In a further aspect of the present invention, the friction surface of the grinding wheel is V-shaped.

Through adopting above-mentioned technical scheme, the emery wheel of V type friction surface can be simultaneously processed the both sides face of pair of base, and is convenient quick, compares artifical manual operation, need not rotate the base, promotes the speed of polishing.

The utility model has the beneficial effects that:

1. adopt the mode of cylinder cam and connecting rod, can make the connecting rod do the circular motion of luffing motion, this arc is crossing with the emery wheel circular surface, the table base passes through the centre gripping subassembly to be fixed at the front end of connecting rod, when the connecting rod luffing motion to with the emery wheel contact, the emery wheel is polished to the watch shell, when the connecting rod continues the swing, the emery wheel produces pressure to the table base, pressure makes the spring shrink in the sleeve, thereby make the connecting rod can continue the swing, and then continue to polish to the table base side, thereby accomplish polishing to table base arc side, replace manual operation, moreover, the steam generator is simple in structure, and the efficiency of polishing is promoted.

2. The clamping assembly positions the surface blank through the convex part on the fixing plate, aligns the hole at the center of the surface blank with the convex part for positioning, rotates the clamping plate, and continues to align the reverse convex part on the clamping plate with the hole at the center of the surface blank, so that the surface blank is completely fixed, and the surface blank cannot move in the polishing process to cause the deviation of the polished surface.

3. The grinding wheel adopts a V-shaped friction surface, can simultaneously process two side surfaces of the blank, is convenient and quick, is compared with manual operation, does not need to rotate the blank, and improves the grinding speed.

Drawings

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

FIG. 1 is a schematic view of the entire mechanism of the present embodiment;

FIG. 2 is a schematic structural view of a watch blank holding mechanism according to the present embodiment;

FIG. 3 is a schematic diagram of the retractable assembly of the present embodiment;

in the figure, 1, a grinding machine body, 11, a frame, 12, a grinding wheel, 2, an automatic grinding mechanism, 21, a workbench, 22, a mounting plate, 23, a cylindrical cam, 24, a connecting rod, 25, a supporting plate, 26, a telescopic component, 261, a sleeve, 262, a spring, 27, a watch blank clamping component, 271, a fixing plate, 272, a positioning convex part, 273, a clamping plate, 274, an elastic buckle, 28, a motor, 31, a lead screw, 32, a sliding rod, 33, a sliding block, 34 and an adjusting hand wheel.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example one

Referring to fig. 1 to 3, a watch blank polishing device comprises a polisher body 1, the polisher body 1 comprises a frame 11 and a grinding wheel 12, a friction surface of the grinding wheel 12 is V-shaped to facilitate simultaneous polishing of two side surfaces of a watch blank, the polisher body 1 is provided with an automatic polishing mechanism 2 in front of the grinding wheel 12, the automatic polishing mechanism 2 comprises a workbench 21, an upper end of the workbench 21 is provided with a mounting plate 22, an upper end of the mounting plate 22 is provided with a cylindrical cam 23, a motor 28 is connected to a bottom of the cylindrical cam 23, the motor 28 controls the cylindrical cam 23 to rotate, a connecting rod 24 is slidably embedded in a curved groove of the cylindrical cam 23, an upper end of the mounting plate 22 is provided with a supporting plate 25 between the grinding wheel 12 and the cylindrical cam 23, a middle portion of the connecting rod 24 is hinged to the supporting plate 25, when the cylindrical cam 23 rotates, one end of the connecting rod 24 slides in the curved groove of the cylindrical cam 23, connecting rod 24 is swung from top to bottom around backup pad 25, the one end that cylindrical cam 23 was kept away from to connecting rod 24 is provided with telescopic component 26, telescopic component 26 includes that coaxial slip cover establishes the sleeve 261 in the connecting rod outside, sleeve 261 is inside to be provided with spring 262, the one end and the sleeve 261 fixed connection of spring 262, one end and connecting rod 24 fixed connection, sleeve 261 is square structure, the top of connecting rod 24 is rather than assorted square structure, sleeve 261 cup joints after, can not take place relative rotation between sleeve 261 and the connecting rod 24, sleeve 261 top outside is provided with table base clamping component 27, table base clamping component 27 is including fixing the fixed plate 271 at sleeve 261 top, the middle part of fixed plate 271 sets up table base location convex part 272, fixed plate 271 one side articulates there is the grip block 273, the fixed plate is located and is provided with elasticity buckle 274 with the symmetrical side of grip block 273 articulated department.

The bottom of the mounting plate 22 is provided with a lead screw 31, the lead screw 31 is horizontally arranged along the length direction of the connecting rod 24, slide rods 32 are symmetrically arranged on two sides of the lead screw 31, a slide block 33 is fixed on the bottom of the mounting plate 22, the slide block 33 is fixedly connected to a lead screw nut of the lead screw 31, the slide block 33 slides through the slide rod 32, one end of the lead screw 31, which is far away from the grinding wheel 12, is provided with an adjusting hand wheel 34, the position of the automatic grinding mechanism 2 relative to the grinding wheel 12 can be set through the lead screw 31, and when the grinding effect is not good, the position of the watch blank relative to the grinding wheel 12 is adjusted through adjusting the lead screw 331, so that the grinding effect is adjusted.

The working principle of the utility model is as follows:

the watch blank to be polished is aligned to the positioning convex part 272 on the fixing plate 271, the watch blank is clamped by the clamping plate 273 and then is buckled in the elastic buckle 274, the motor 28 is switched on, the motor 28 drives the cylindrical cam 23 to rotate, the cylindrical cam 23 drives the connecting rod 24 to swing up and down, the connecting rod 24 can make up-and-down circular arc motion, the circular arc is intersected with the circular surface of the grinding wheel 12, the watch blank is fixed at the front end of the connecting rod 24 through the fixing plate 271, when the connecting rod 24 swings up and down to be in contact with the grinding wheel 12, the grinding wheel 12 polishes the watch blank, when the connecting rod 24 continues to swing, the grinding wheel 12 generates pressure on the watch blank, the pressure enables the spring 262 in the sleeve 261 to contract, the connecting rod 24 can continue to swing, the side surface of the watch blank is further polished, the polishing on the arc-shaped side surface of the watch blank is completed, manual operation is replaced, the structure is simple, and the polishing efficiency is improved.

Claims

1. The utility model provides a surface base grinding device, includes polisher body (1), its characterized in that: the polisher body (1) comprises a rack (11) and a grinding wheel (12), an automatic polishing mechanism (2) is arranged in front of the grinding wheel (12) of the polisher body (1), the automatic grinding mechanism (2) comprises a workbench (21), a mounting plate (22) is arranged at the upper end of the workbench (21), a cylindrical cam (23) is arranged at the upper end of the mounting plate (22), a motor (28) is connected at the bottom of the cylindrical cam (23), a connecting rod (24) is embedded in the curved groove of the cylindrical cam (23) in a sliding way, a supporting plate (25) is arranged at the upper end of the mounting plate (22) between the grinding wheel (12) and the cylindrical cam (23), connecting rod (24) middle part with backup pad (25) are articulated, the one end that cylindrical cam (23) was kept away from in connecting rod (24) is provided with telescopic component (26), telescopic component's one end is provided with table base clamping component (27).

2. A surface blank grinding device according to claim 1, characterized in that: scalable subassembly (26) establish including coaxial slip cover sleeve (261) in the connecting rod outside, sleeve (261) inside is provided with spring (262), the one end of spring (262) with sleeve (261) fixed connection, one end with connecting rod (24) fixed connection, sleeve (261) top one side is provided with table base centre gripping subassembly (27).

3. A surface blank grinding device according to claim 2, characterized in that: the watch blank clamping assembly (27) comprises a fixing plate (271) fixed to the top of the sleeve (261), a watch blank positioning convex portion (272) is arranged in the middle of the fixing plate (271), a clamping plate (273) is hinged to one side of the fixing plate (271), and an elastic buckle (274) is arranged on one side of the fixing plate (271) located at the hinge of the clamping plate (273) and symmetrical to one side of the fixing plate.

4. A surface blank grinding device according to claim 1, characterized in that: mounting panel (22) bottom is provided with lead screw (31), lead screw (31) are along connecting rod (24) length direction level setting, lead screw (31) bilateral symmetry is provided with slide bar (32), mounting panel (22) bottom is fixed with slider (33), slider (33) fixed connection be in on the screw nut of lead screw (31), slider (33) slide and pass slide bar (32), emery wheel (12) one end is kept away from in lead screw (31) is provided with adjusting hand wheel (34).

5. A surface blank grinding device according to claim 2, characterized in that: the inner cavity of the sleeve (261) is of a square structure, and the top of the connecting rod (24) is of a square structure matched with the inner cavity of the sleeve (261).

6. A surface blank grinding device according to claim 1, characterized in that: the friction surface of the grinding wheel (12) is V-shaped.