CN220051370U

CN220051370U - Watchcase polishing clamp

Info

Publication number: CN220051370U
Application number: CN202321014749.2U
Authority: CN
Inventors: 刘秋香; 蔡雄
Original assignee: Dongguan Lianchi Hardware Technology Co ltd
Current assignee: Dongguan Lianchi Hardware Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-21
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a watchcase polishing clamp which comprises a clamp shell, a clamp supporting nozzle, a top core elastic jacking device, a clamp face cover, a handle and a pull rod, wherein the handle is arranged at the upper end of the outer wall of the clamp shell, the top core elastic jacking device is arranged in the clamp shell, the top core is in transmission connection with the top core elastic jacking device and extends out of the top opening position of the clamp shell, one end of the pull rod extends into the clamp shell and is in transmission connection with the top core elastic jacking device, the clamp supporting nozzle is sleeved at the top end of the top core, a plurality of supporting clamp blocks are arranged at the top of the clamp supporting nozzle, and the top core can extend upwards into an inner hole of the clamp supporting nozzle and jack all the supporting clamp blocks to enable the supporting clamp blocks to be outwards supported, so that the supporting clamp blocks clamp the inner wall of a middle hole of the clamp face cover. According to the polishing device, the clamp can assist the watchcase to carry out polishing treatment, so that the watchcase can be effectively prevented from deforming, the screen mounting position of the watchcase is protected, the case is prevented from collapsing during polishing, and meanwhile, the safety in the polishing process can be improved.

Description

Watchcase polishing clamp

Technical Field

The utility model relates to the technical field of watch clamping devices, in particular to a watch case polishing clamp.

Background

Watch cases appearing in the market at present all adopt casting mode production, the watchcase precision of casting mode production is lower, can't satisfy the watchcase production that dimensional accuracy requires higher, therefore it need polish processing to it after the watchcase casting production, however, traditional watchcase polishing process adopts the staff to directly hold the watchcase and polishes, its handheld dynamics is limited, often unable to grasp, destroy the dress screen position of watchcase easily when polishing, the watchcase appears the condition that the deformation collapses easily, thereby it is low to lead to the yields and the production efficiency of polishing watchcase, the quality is difficult to control, and the security performance is low, there is the potential safety hazard, operating personnel is easy to be injured when polishing, by the risk of emery wheel fish tail higher.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the watchcase polishing clamp which has good safety performance and can protect the screen mounting position of the watchcase and prevent the watchcase from deforming and collapsing during polishing.

In order to achieve the above purpose, the utility model provides a watchcase polishing clamp, which comprises a clamp shell, a clamp supporting nozzle, a top core elastic jacking device, a clamp face cover, a handle and a pull rod, wherein the handle is arranged at the upper end of the outer wall of the clamp shell, the top core elastic jacking device is arranged in the clamp shell, the top core is in transmission connection with the top core elastic jacking device and extends out of the top opening position of the clamp shell, one end of the pull rod extends into the clamp shell and is in transmission connection with the top core elastic jacking device and can control the top core elastic jacking device and the top core to move up and down through swinging, the clamp supporting nozzle is sleeved at the top end of the top core, the top of the clamp supporting nozzle is provided with a plurality of supporting clamping blocks, and the top core can extend into the inner hole of the clamp supporting nozzle and jack all the supporting clamping blocks to enable the supporting clamping blocks to outwards open, so that the supporting clamping blocks clamp the inner wall of the clamp face cover.

Preferably, the top of the inner hole of the clamp stay is provided with each arc-shaped surface or inclined surface which is positioned at the bottom of each stay clamp block and is used for being in contact with the top core.

Preferably, the middle part of the expanding clamping block is provided with a profiling edge which is used for being clamped with the inner wall of the watchcase, and the shape of the profiling edge corresponds to the shape of the inner wall of the watchcase.

Preferably, the elastic jacking device of the jacking core comprises a bearing, a driving part, a spring and a positioning column, wherein the bearing, the driving part and the spring are sequentially sleeved on the positioning column, and the jacking core is fixedly arranged in the middle of the bearing.

Preferably, one end of the pull rod extending into the clamp shell is fixedly connected with the driving part.

Preferably, the elastic jacking device of the jacking core further comprises a gasket, the gasket is arranged at the bottom in the clamp shell, and the positioning column is inserted into the middle of the gasket.

Preferably, an annular convex eave used for being clamped with the bottom of the clamp support mouth is arranged on the outer wall of the top opening position of the clamp shell.

Preferably, the shape of the jig housing is set to be cylindrical.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has simple structure and reasonable design, is provided with the clamp shell, the clamp support mouth, the top core elastic jacking device, the clamp surface cover, the handle and the pull rod, only the watchcase is required to be installed on the clamp support mouth, the pull rod is pulled to enable the top core to move downwards, the clamp support mouth is contracted and reset at the moment, the clamp surface cover is arranged on the clamp support mouth, finally, the pull rod is loosened to polish the watchcase, the top core props the clamp support mouth through the upward elastic force of the top core elastic jacking device to enable the propping-up clamping block to be tightly attached to the inner wall of the watchcase, the clamp support mouth and the clamp surface cover are mutually matched to effectively prevent the watchcase from deforming, the clamping and fixing are more stable and uniform, the screen mounting position of the watchcase can also be protected, and the case is prevented from collapsing during polishing.

2. The utility model has small volume, convenient use and good safety performance, can replace hands to clamp the watch case, and simultaneously avoids the polishing grinding wheel from scratching staff.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a polishing jig for a wristwatch case according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a case polishing jig according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a fixture nozzle of a case polishing fixture according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a case polishing jig according to an embodiment of the present utility model;

fig. 5 is an assembly schematic diagram of a case polishing jig according to an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a polishing jig for a watch case, which includes a jig housing 1, a jig holder 2, a top core 3, a top core elastic jack 4, a jig face cover 5, a handle 6, a pull rod 7, and a watch case 8, and the respective components of the embodiment are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the handle 6 may be disposed at an upper end of an outer wall of the fixture housing 1, the top core elastic jack-up device 4 is disposed in the fixture housing 1, the top core 3 is in transmission connection with the top core elastic jack-up device 4 and extends out of a top opening position of the fixture housing 1, one end of the pull rod 7 extends into the interior of the fixture housing 1 and is in transmission connection with the top core elastic jack-up device 4 and can control the top core elastic jack-up device 4 and the top core 3 to move up and down through swinging, the fixture supporting mouth 2 is sleeved at a top end of the top core 3, a plurality of supporting clamp blocks 21 are disposed at a top end of the fixture supporting mouth 2, and the top core 3 can extend into an inner hole 22 of the fixture supporting mouth 2 and jack up all the supporting clamp blocks 21 to enable the supporting clamp blocks 21 to be outwards supported (i.e. gaps of all the supporting clamp blocks 21 are increased), so that the supporting clamp blocks 21 clamp inner walls of the middle holes 51 of the fixture surface cover 5 are clamped.

Wherein, the outer wall of the top opening position of the clamp shell 1 can be provided with an annular convex eave 11 which is used for being clamped with the bottom of the clamp support mouth 2. Wherein, the inner hole 22 of the clamp support nozzle 2 is sleeved at the top of the top core 3, and the bottom is clamped with the annular convex eave 11 to be fixed above the clamp shell 1.

Preferably, the shape of the jig housing 1 may be set to be cylindrical.

As shown in fig. 3, the top of the inner hole 22 of the fixture nozzle 2 may be provided with each arc-shaped surface or inclined surface which is positioned at the bottom of each opening clamping block 21 and is used for contacting with the top core 3.

As shown in fig. 4, the elastic jacking device 4 for the jacking core may include a bearing 41, a driving portion 42, a spring 43, and a positioning column 44, where the bearing 41, the driving portion 42, and the spring 43 are sequentially sleeved on the positioning column 44, and the jacking core 3 is fixedly disposed in the middle of the bearing 41.

Further, the end of the pull rod 7 extending into the clamp housing 1 may be fixedly connected to the driving part 42.

Preferably, the elastic jacking device 4 of the jacking core further comprises a gasket 45, the gasket 45 is arranged at the bottom in the clamp shell 1, and the positioning column 44 is inserted in the middle of the gasket 45. The spacer 45 can limit the positioning post 44.

As shown in fig. 2 and 5, the middle part of the spreading clamp block 21 may be provided with a profiling edge 211 for clamping with the inner wall of the case 8, the profiling edge 211 having a shape corresponding to the shape of the inner wall of the case 8.

Furthermore, in this embodiment, six expansion clamping blocks 21 are used to clamp the watchcase 8, the six expansion clamping blocks 21 can be combined to form a structure matched with the shape of the middle hole of the clamp face cover 5, the structural distribution is in a shape of Chinese character 'x', the six expansion clamping blocks 21 can be expanded by the top core 3 in the natural state of the clamp to be tightly attached to the inner wall of the watchcase 8, the watchcase 8 can be effectively prevented from deforming during polishing, and the support is more stable and uniform.

During specific installation, the clamp support mouth 2 and the clamp face cover 5 are mutually matched to complete clamping limit of the watchcase 8, and meanwhile, the screen mounting position of the watchcase 8 can be protected, and the watchcase 8 is prevented from collapsing during polishing.

The working principle of the utility model is as follows:

when the polishing device is used, the pull rod 7 is pulled to enable the top core 3 to move downwards, at the moment, all the supporting clamping blocks 21 of the clamp supporting nozzle 2 are contracted and reset, the watchcase 8 is arranged on the profiling edge 211 of the clamp supporting nozzle 2, the clamp surface cover 5 is covered on the clamp supporting nozzle 2, finally, polishing treatment can be carried out by loosening the pull rod 7, after loosening the pull rod 7, the spring 43 of the elastic top core supporting device 4 is kept in an upward elastic force in a natural state, the driving part 42 and the bearing 41 can be supported, the clamp supporting nozzle 2 is propped up through the top core 3, the supporting clamping blocks 21 are supported to clamp the clamp surface cover 5, the watchcase 8 is limited through the clamp surface cover 5, the watchcase 8 is fixed between the clamp surface cover 5 and the clamp supporting nozzle 2, after polishing treatment is finished, the pull rod 7 is pulled again, the driving part 42 is driven to move downwards, meanwhile, downward pressure is applied to the spring 43, the top core 3 is also descended, at the moment, the supporting clamping blocks 21 are contracted and reset again, and the polished watchcase 8 can be taken out.

In summary, the utility model has simple structure and reasonable design, only the watchcase is required to be installed on the clamp supporting nozzle, the pull rod is pulled to enable the top core to move downwards, the clamp supporting nozzle is contracted and reset at the moment, the clamp surface cover is arranged on the clamp supporting nozzle, finally, the pull rod is loosened to polish the watchcase, the top core supports the clamp supporting nozzle through the upward elastic force of the elastic supporting device of the top core to enable the supporting clamp block to be tightly attached to the inner wall of the watchcase, the clamp supporting nozzle and the clamp surface cover are mutually matched, the watchcase can be effectively prevented from deforming, the clamping and fixing are more stable and uniform, the screen mounting position of the watchcase can be protected, and the situation that the watchcase collapses during polishing is prevented.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims

1. A watchcase polishing clamp, characterized in that: including anchor clamps casing (1), anchor clamps prop and chew (2), top core (3), top core elasticity jacking device (4), anchor clamps face lid (5), handle (6) and pull rod (7), handle (6) set up the outer wall upper end at anchor clamps casing (1), top core elasticity jacking device (4) set up the inside at anchor clamps casing (1), top core (3) are connected and stretch out the top open position of anchor clamps casing (1) with top core elasticity jacking device (4) transmission, the one end of pull rod (7) stretches into the inside of anchor clamps casing (1) and top core elasticity jacking device (4) transmission is connected and can control top core elasticity jacking device (4) and top core (3) reciprocates through the swing, anchor clamps prop the top that mouth (2) cover was established at top core (3), the top that anchor clamps prop mouth (2) is equipped with a plurality of blocks and prop up clamp piece (21), top core (3) can upwards stretch into the hole (22) that anchor clamps prop up (2) and prop up clamp piece (21) and make all clamp pieces (21) in the inner wall (51) that prop up and prop up clamp face (5) to make.

2. A watchcase polishing fixture as recited in claim 1, wherein: the top of an inner hole (22) of the clamp supporting nozzle (2) is provided with each arc-shaped surface or inclined surface which is positioned at the bottom of each supporting clamping block (21) and is used for being contacted with the top core (3).

3. A watchcase polishing fixture as recited in claim 1, wherein: the middle part of the expanding clamp block (21) is provided with a profiling edge (211) which is used for being clamped with the inner wall of the watchcase, and the shape of the profiling edge (211) corresponds to the shape of the inner wall of the watchcase.

4. A watchcase polishing fixture as recited in claim 1, wherein: the ejection elastic jacking device (4) comprises a bearing (41), a driving part (42), a spring (43) and a positioning column (44), wherein the bearing (41), the driving part (42) and the spring (43) are sequentially sleeved on the positioning column (44), and the ejection elastic jacking device (3) is fixedly arranged in the middle of the bearing (41).

5. The case polishing jig according to claim 4, wherein: one end of the pull rod (7) extending into the clamp shell (1) is fixedly connected with the driving part (42).

6. The case polishing jig according to claim 4, wherein: the jacking core elastic jacking device (4) further comprises a gasket (45), the gasket (45) is arranged at the bottom in the clamp shell (1), and the positioning column (44) is inserted into the middle of the gasket (45).

7. A watchcase polishing fixture as recited in claim 1, wherein: the outer wall of the top opening position of the clamp shell (1) is provided with an annular convex eave (11) which is used for being clamped with the bottom of the clamp supporting nozzle (2).

8. A watchcase polishing fixture as recited in claim 1, wherein: the clamp housing (1) is provided in a cylindrical shape.