CN219853957U - Fixing device - Google Patents

Abstract

The utility model proposes a fixing device comprising: a base; the jig comprises a first through hole; the positioning assembly comprises a containing piece, two sliding pieces, two elastic pieces and an inserting piece, wherein the containing piece, the two sliding pieces, the two elastic pieces and the inserting piece are convexly arranged on the base; the accommodating piece comprises an accommodating groove, wherein the first through hole of the jig is used for being sleeved on the outer side of the accommodating piece; the two sliding parts are oppositely arranged in the accommodating groove, the moving directions of the two sliding parts are opposite, grooves are respectively formed in one sides of the two sliding parts, which are close to each other, of the two sliding parts, and a pressing part for pressing the jig is arranged at the end part of each sliding part; the two elastic pieces are respectively abutted between the two sliding pieces and the groove wall of the accommodating groove so as to push the sliding pieces to move and enable the pressing part to be pressed and held on one side of the jig, which is away from the base; the inserting piece is used for being inserted into the two grooves when the two sliding pieces slide to the opposite grooves of the two sliding pieces, so that the two sliding pieces stop sliding and the pressing part releases the pressing jig. The fixing device is not easy to loosen the workpiece during polishing, and the polishing efficiency is higher.

Description

Fixing device

Technical Field

The utility model relates to the technical field of polishing devices, in particular to a fixing device.

Background

In the field of 3C product manufacturing, polishing is generally required before some workpieces are machined, at present, the workpieces are placed on a base, then a cover plate is covered, the cover plate is fixed in an adsorption mode, and then polishing treatment is performed on the workpieces. However, this approach is inefficient, low throughput, and the cover plate is prone to loosening during polishing, thereby easily causing damage to the workpiece.

Disclosure of Invention

In view of the above, it is necessary to provide a fixing device to solve the technical problems that the workpiece is easy to loosen during polishing and the polishing efficiency is low.

The utility model provides a fixing device, which is used for fixing a workpiece and comprises the following components: a base; the jig is used for installing workpieces on two opposite sides of the jig so as to fix two workpieces at the same time, and comprises a first through hole; the positioning assembly comprises a containing piece, two sliding pieces, two elastic pieces and an inserting piece, wherein the containing piece, the two sliding pieces, the two elastic pieces and the inserting piece are convexly arranged on the base; the accommodating part comprises an accommodating groove, wherein the first through hole of the jig is used for being sleeved on the outer side of the accommodating part; the two sliding parts are oppositely arranged in the accommodating groove, the moving directions of the two sliding parts are opposite, grooves are respectively formed in one sides of the two sliding parts, which are close to each other, of the two sliding parts, and a pressing part for pressing the jig is arranged at the end part of each sliding part; the two elastic pieces are respectively abutted between the two sliding pieces and the groove walls of the accommodating groove so as to push the sliding pieces to move and enable the pressing part to be pressed on one side of the jig, which is away from the base; the inserting piece is used for being inserted into the two grooves when the two sliding pieces slide to the grooves of the two sliding pieces to be opposite, so that the two sliding pieces stop sliding and the pressing and holding part releases the pressing and holding of the jig.

According to the fixing device, the inserting piece is inserted into the grooves of the two sliding pieces so that the jig is sleeved on the outer sides of the accommodating pieces, and the two sliding pieces move under the pushing action of the corresponding elastic pieces by moving out of the inserting piece in the grooves of the two sliding pieces so that the pressing part presses one side, away from the base, of the jig, so that the workpiece is fixed, the workpiece is fixed stably, and the workpiece is not easy to loosen during polishing; and because two workpieces can be fixed simultaneously, the fixed quantity of the workpieces is large, and the polishing efficiency is higher.

In some embodiments, the positioning assembly further comprises: the other end of the guide piece is slidably arranged in the corresponding sliding piece in a penetrating manner so as to guide the sliding of the sliding piece; wherein the elastic piece is sleeved on the guide piece.

In some embodiments, one of the base and the jig is provided with a first positioning pin, and the other of the base and the jig is correspondingly provided with a first positioning groove matched with the first positioning pin, so that the jig is mounted on the base through the first positioning pin and the first positioning groove.

In some embodiments, further comprising: the cover plate comprises a second through hole which is used for being sleeved on the outer side of the accommodating part, the cover plate is used for being covered on one side, deviating from the base, of the jig, and the sliding part moves under the abutting of the elastic part and enables the pressing part to be pressed and held on the cover plate.

In some embodiments, one of the cover plate and the jig is provided with a second positioning pin, and the other of the cover plate and the jig is correspondingly provided with a second positioning groove matched with the second positioning pin, so that the cover plate is installed on the jig through the second positioning pin and the second positioning groove.

In some embodiments, a grip is provided on the cover plate to facilitate movement of the cover plate by the grip.

In some embodiments, the base comprises: the bottom plate is connected with the accommodating piece; the support piece and the connecting plate, the both ends of support piece are connected respectively the bottom plate with the connecting plate, the connecting plate is used for connecting on processing platform.

In some embodiments, two opposite sides of the jig are provided with positioning portions for positioning the workpiece.

In some embodiments, the positioning portion has a contoured surface on its outer periphery, and the contoured surface is configured to adapt to the shape of the inner side of the workpiece to position the workpiece.

In some embodiments, the bottom of the insert is tapered to insert into both of the grooves of both of the slides.

Drawings

Fig. 1 is a perspective view of a fixing device according to an embodiment of the present utility model.

Fig. 2 is an exploded structural view of the fixing device of fig. 1.

Description of the main reference signs

Fixing device 100

Base 10

Bottom plate 11

Support 12

Connecting plate 13

First locating pin 14

Jig 20

First through hole 21

Positioning part 22

Profiling surface 221

First positioning groove 23

Second positioning pin 24

Positioning assembly 30

Receptacle 31

Accommodating groove 311

Slider 32

Groove 321

Pressing and holding part 322

Elastic member 33

Insert 34

Guide 35

Cover plate 40

Second through hole 41

Grip portion 42

Second positioning groove 43

Workpiece 200

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1, the present utility model provides a fixing device 100, which is applied in the fields of surface polishing, etc. for fixing a workpiece 200, in this embodiment, the workpiece 200 is a mobile phone center, but is not limited thereto. Specifically, the fixing device 100 includes a base 10, a jig 20, and a positioning assembly 30.

Referring to fig. 2, the jig 20 includes a first through hole 21, and in this embodiment, the first through hole 21 is disposed in the middle of the jig 20 and is rectangular. It is understood that in other embodiments, the first through hole 21 may be offset from the middle of the jig 20 and have a rhombus shape, but is not limited thereto.

The positioning assembly 30 comprises a receiving member 31 protruding from the base 10, two sliding members 32, two elastic members 33 and an inserting member 34. The accommodating part 31 includes an accommodating groove 311, wherein the first through hole 21 of the jig 20 is used for being sleeved on the outer side of the accommodating part 31, in the present embodiment, the accommodating part 31 is substantially rectangular, and the accommodating groove 311 is disposed in the middle of the accommodating part 31, but is not limited thereto. The two sliding pieces 32 are oppositely arranged in the accommodating groove 311, the moving directions of the two sliding pieces are opposite, grooves 321 are respectively arranged on one sides of the two sliding pieces 32, which are close to each other, the end part of each sliding piece 32 is provided with a pressing part 322 for pressing the jig 20, in the embodiment, the sliding pieces 32 are in a sliding block-shaped structure, and the pressing parts 322 are in a protruding bump structure; one end of each of the two elastic members 33 is abutted against the sliding member 32, and the other end is abutted against the groove wall of the accommodating groove 311, so as to push the sliding member 32 to move and enable the pressing portion 322 to press against one side of the jig 20, which is away from the base 10. In the present embodiment, the elastic member 33 is a spring, and it is understood that in other embodiments, the elastic member 33 may be another elastic member. The inserting piece 34 may be inserted into the two grooves 321 when the two sliding pieces 32 slide to the opposite grooves 321 of the two sliding pieces 32, so that the two sliding pieces 32 stop sliding and the pressing portion 322 releases the pressing fixture 20, and in this embodiment, the inserting piece 34 is a plug.

When the insert 34 has not been inserted into the two grooves 321, the slider 31 is pushed to a position where it can press and hold the jig 20 by the action of the elastic member 33. When the jig 20 is unlocked, the elastic member 32 is contracted by applying an external force, the two grooves 321 are adjacent to each other until they are opposite, at this time, the insert 34 is inserted into the two grooves 321, and then, even if the external force is removed, the two sliding members 31 have a tendency to move reversely under the action of the elastic force, but the opposite movement is blocked from each other by the insert 34 to maintain the posture, at this time, the jig 20 can be easily attached to the positioning assembly 30 or removed from the positioning assembly 30.

In the fixing device 100, the inserting piece 34 is inserted into the grooves 321 of the two sliding pieces 32 to enable the fixture 20 to be sleeved on the outer side of the accommodating piece 31, and the inserting piece 34 moving out of the grooves 321 of the two sliding pieces 32 enables the two sliding pieces 32 to move under the pushing action of the corresponding elastic pieces 33 so that the pressing part 322 presses one side of the fixture 20 away from the base 10, thereby fixing the workpiece 200, fixing the workpiece 200 is stable, and the workpiece 200 is not easy to loosen during polishing; and because two workpieces 200 can be fixed at the same time, the fixed quantity of the workpieces 200 is large, and the polishing efficiency is higher.

In some embodiments, the base 10 comprises a bottom plate 11, two supports 12 and a connecting plate 13, the bottom plate 11 being connected to the housing 31; the support piece 12 is a hollow support plate, two ends of the two support pieces 12 are respectively connected with the bottom plate 11 and the connecting plate 13, the connecting plate 13 is arranged in parallel with the bottom plate 11, and the connecting plate 13 is used for being connected to a processing platform. It will be appreciated that in other embodiments, the base 10 may have other structures, as long as the fixture 20 is supported and mounted on a processing platform.

In some embodiments, two opposite sides of the jig 20 are provided with positioning portions 22, and the positioning portions 22 are used for positioning the workpiece 200. Preferably, the outer periphery of the positioning portion 22 is provided with a profiling surface 221, and the profiling surface 221 is configured to adapt to the shape of the inner side surface of the workpiece 200 so as to position the workpiece 200. In the present embodiment, the upper and lower sides of the jig 20 are mirror images, and the profiling surface 221 on the outer periphery of the positioning portion 22 is designed according to the inner cavity of the workpiece 200, so that the positioning portion can be positioned without interfering with the inner cavity of the workpiece 200.

In this embodiment, two first positioning pins 14 are disposed on the base 10, and two first positioning slots 23 corresponding to the first positioning pins 14 are disposed on the jig 20, so that the jig 20 is mounted on the base 10 through the first positioning pins 14 and the first positioning slots 23, wherein the first positioning slots 23 are blind slots.

It will be appreciated that in other embodiments, two first positioning slots 23 are provided on the base 10, and two first positioning pins 14 matching with the first positioning slots 23 are correspondingly provided on the jig 20, so that the jig 20 is mounted on the base 10 through the first positioning pins 14 and the first positioning slots 23.

With continued reference to fig. 2, in some embodiments, the bottom of the insert 34 has a tapered structure so as to be inserted into the two grooves 321 of the two sliding members 32, and the top of the insert 34 has a bud-shaped structure so as to be convenient for an operator to hold.

In some embodiments, the positioning assembly 30 further includes a guide member 35, where the guide member 35 is rod-shaped, one end of the guide member 35 is fixed to a groove wall of the accommodating groove 311, and the other end of the guide member 35 is slidably disposed in the corresponding sliding member 32 and connected to another groove wall of the accommodating groove 311, so as to guide the sliding of the sliding member 32; wherein the elastic member 33 is sleeved on the guide member 35.

In some embodiments, the fixing device 100 further includes a cover plate 40, where the cover plate 40 includes a second through hole 41 sleeved on the outer side of the accommodating element 31, in this embodiment, the second through hole 41 is disposed in the middle of the cover plate 40 and is adapted to the shape of the accommodating element 31, so that the inserting and pulling operations of the inserting element 34 can be facilitated, the cover plate 40 is used for covering the side of the fixture 20 facing away from the base 10, and the sliding element 32 moves under the abutting of the elastic element 33 and makes the pressing portion 322 pressed against the cover plate 40. Thus, by providing the cover plate 40, the work 200 can be fixed, and the work 200 can be prevented from moving during polishing to affect polishing effect.

In some embodiments, a grip 42 is provided on the cover 40 to facilitate movement of the cover 40 by the grip 42. In the present embodiment, the grip portion 42 is provided as two handles, and is provided on opposite sides of the second through hole 41.

In the present embodiment, two second positioning pins 24 are disposed on the jig 20, two second positioning grooves 43 matched with the second positioning pins 24 are correspondingly disposed on the cover plate 40, so that the cover plate 40 is mounted on the jig 20 through the second positioning pins 24 and the second positioning grooves 43, wherein the second positioning grooves 43 are through grooves, and the second positioning pins 24 penetrate through the second positioning grooves 43.

It will be appreciated that in other embodiments, two second positioning slots 43 are provided on the fixture 20, and two second positioning pins 24 corresponding to the second positioning slots 43 are provided on the cover 40, so that the cover 40 is mounted on the fixture 20 through the second positioning pins 24 and the second positioning slots 43.

The working procedure of the fixing device 100 of this embodiment is as follows:

firstly, two workpieces 200 are respectively arranged on the profiling surfaces 221 of the positioning parts 22 on two opposite sides of the jig 20 to position the workpieces 200;

then, the two sliders 32 are slid and the insert 34 is inserted into the two grooves 321 when the grooves 321 of the two sliders 32 are opposite, so that the two sliders 32 stop sliding;

next, the first through hole 21 of the jig 20 is sleeved outside the accommodating piece 31, wherein the jig 20 is positioned on the bottom plate 11 of the base 10 through the first positioning pin 14 and the first positioning groove 23;

then, the second through hole 41 of the cover plate 40 is sleeved outside the accommodating piece 31, wherein the cover plate 40 is positioned on the jig 20 through the second positioning pin 24 and the second positioning groove 43;

then, the insert 34 is pulled out, the sliding piece 32 moves under the guiding action of the guiding piece 35 and the elastic supporting action of the elastic piece 33, and the pressing part 322 is pressed on one side of the jig 20 away from the base 10, so that the workpiece 200 is fixed;

finally, the connection plate 13 of the base 10 is connected to the processing table, and the workpiece 200 is processed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A fixture for securing a workpiece, comprising:

a base;

the jig is used for installing workpieces on two opposite sides of the jig so as to fix two workpieces at the same time, and comprises a first through hole;

the positioning assembly comprises a containing piece, two sliding pieces, two elastic pieces and an inserting piece, wherein the containing piece, the two sliding pieces, the two elastic pieces and the inserting piece are convexly arranged on the base;

the accommodating part comprises an accommodating groove, wherein the first through hole of the jig is used for being sleeved on the outer side of the accommodating part;

the two sliding parts are oppositely arranged in the accommodating groove, the moving directions of the two sliding parts are opposite, grooves are respectively formed in one sides of the two sliding parts, which are close to each other, of the two sliding parts, and a pressing part for pressing the jig is arranged at the end part of each sliding part;

the two elastic pieces are respectively abutted between the two sliding pieces and the groove walls of the accommodating groove so as to push the sliding pieces to move and enable the pressing part to be pressed on one side of the jig, which is away from the base;

the inserting piece is used for being inserted into the two grooves when the two sliding pieces slide to the grooves of the two sliding pieces to be opposite, so that the two sliding pieces stop sliding and the pressing and holding part releases the pressing and holding of the jig.

2. The fixture of claim 1, wherein the positioning assembly further comprises:

the other end of the guide piece is slidably arranged in the corresponding sliding piece in a penetrating manner so as to guide the sliding of the sliding piece;

wherein the elastic piece is sleeved on the guide piece.

3. The fixture of claim 1, wherein one of the base and the jig is provided with a first positioning pin, and the other of the base and the jig is correspondingly provided with a first positioning groove matched with the first positioning pin, so that the jig is mounted on the base through the first positioning pin and the first positioning groove.

4. The fixture of claim 1, further comprising:

the cover plate comprises a second through hole which is used for being sleeved on the outer side of the accommodating part, the cover plate is used for being covered on one side, deviating from the base, of the jig, and the sliding part moves under the abutting of the elastic part and enables the pressing part to be pressed and held on the cover plate.

5. The fixture of claim 4, wherein one of the cover plate and the jig is provided with a second positioning pin, and the other of the cover plate and the jig is correspondingly provided with a second positioning groove matched with the second positioning pin, so that the cover plate is mounted on the jig through the second positioning pin and the second positioning groove.

6. The fixture of claim 4, wherein the cover plate is provided with a grip to facilitate movement of the cover plate by the grip.

7. The fixture of claim 1, wherein the base comprises:

the bottom plate is connected with the accommodating piece;

the support piece and the connecting plate, the both ends of support piece are connected respectively the bottom plate with the connecting plate, the connecting plate is used for connecting on processing platform.

8. The fixture of claim 1, wherein the two opposite sides of the jig are each provided with a positioning portion for positioning the workpiece.

9. The fixture of claim 8, wherein the positioning portion has a contoured surface on an outer periphery thereof, the contoured surface being configured to conform to the shape of the inner side of the workpiece to position the workpiece.

10. The fixture of claim 1, wherein the bottom of said insert is tapered for insertion into both of said grooves of both of said slides.