CN219986827U - Fixing device - Google Patents

Abstract

The utility model provides a fixing device which comprises a base, a fixing mechanism and a positioning mechanism. The fixed mechanism is arranged on the base and comprises a rotation driving piece, a linkage piece and a fixed assembly. The fixed component is used for fixing a workpiece and is connected with the linkage piece, the rotation driving piece is connected with the base and the linkage piece and used for driving the linkage piece to drive the fixed component to rotate, and the linkage piece is provided with a fixed part. The positioning mechanism comprises a positioning driving piece and a stopping piece, wherein the stopping piece is provided with a clamping part which can be matched with the fixing part in a clamping way, the positioning driving piece is arranged on the base and positioned on one side of the fixing component, and the positioning driving piece is connected with the stopping piece and used for driving the stopping piece to move so as to enable the clamping part to be clamped with the fixing part, thereby fixing the fixing component. Above-mentioned fixed establishment can accomplish the rotation of work piece, and positioning mechanism can form joint cooperation with fixed subassembly through the fixed part on the linkage piece and the card portion of holding on the backstop piece, reduces the rocking of fixed subassembly in the processing work piece process, has improved the machining efficiency of work piece.

Description

Fixing device

Technical Field

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

Background

When a workpiece is machined at multiple angles, the workpiece is generally mounted on the jig, then the jig is driven to rotate by adopting the rotating mechanism, and finally the workpiece on the jig is machined by an external machining mechanism. However, most of the existing machining modes are single workpiece machining, the operation is complicated, in the machining process, the fixture can be rocked due to acting force applied to the workpiece by a machining mechanism, the fixture needs to be corrected for many times to ensure the machining quality of the workpiece, and the machining efficiency of the workpiece is low.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a fixture that improves machining efficiency.

An embodiment of the present utility model provides a fixing device, including:

a base;

the fixing mechanism is arranged on the base and comprises a rotation driving piece, a linkage piece and a fixing assembly, wherein the fixing assembly is used for fixing a workpiece and is connected with the linkage piece, the rotation driving piece is connected with the base and the linkage piece and is used for driving the linkage piece to drive the fixing assembly to rotate, and the linkage piece is provided with a fixing part;

the positioning mechanism comprises a positioning driving piece and a stopping piece, wherein the stopping piece is provided with a clamping part, the clamping part can be matched with the fixing part in a clamping way, the positioning driving piece is arranged on the base and is positioned on one side of the fixing assembly, and the positioning driving piece is connected with the stopping piece and used for driving the stopping piece to move so as to enable the clamping part to be clamped with the fixing part, thereby limiting the rotation of the linkage piece and fixing the fixing assembly.

When the fixing device works, the workpiece is firstly mounted on the fixing assembly, then the driving piece is rotated to drive the linkage piece to rotate, so that the linkage piece drives the fixing assembly and the workpiece mounted on the fixing assembly to rotate until the fixing portion of the linkage piece corresponds to the clamping portion of the stop piece, and finally the positioning driving piece drives the stop piece to move, so that the clamping portion is clamped and matched with the fixing portion, and therefore the linkage piece is limited to rotate and the fixing assembly is fixed, and the workpiece can be processed at multiple angles by the processing mechanism conveniently.

Therefore, the fixing device can complete rotation of the workpiece through the fixing mechanism, and in addition, the positioning mechanism can form clamping fit with the fixing component through the fixing part on the linkage piece and the clamping part on the stop piece, so that correction process caused by shaking of the fixing component in the workpiece processing process is reduced, the operation process is simplified, and the processing efficiency of the workpiece is improved.

In some embodiments, the base comprises a bearing member, a fixing member and a connecting member, wherein the connecting member is connected with the bearing member and the fixing member, the rotation driving member is connected with the fixing member, the linkage member and the fixing assembly are located on one side of the bearing member away from the fixing member, and the positioning driving member is connected with the bearing member.

In some embodiments, the linkage comprises:

the linkage body penetrates through the bearing piece, and one end of the linkage body is connected with the rotation driving piece;

the rotating body is connected with the other end of the linkage body and is arranged at intervals with the bearing piece, and the side edge of the rotating body is provided with the fixing part.

In some embodiments, the securing assembly comprises:

the support piece comprises a support body and an installation body, wherein the support body is connected with the installation body and is used for bearing a workpiece;

the fixed driving piece comprises a driving body and a propping body, wherein the propping body and the driving body are respectively positioned at two opposite sides of the supporting body, and the driving body is connected with the linkage piece and the propping body and is used for driving the propping body to be close to the driving body so that the propping body and the driving body respectively prop against two opposite sides of the workpiece positioned on the supporting body to the supporting body.

In some embodiments, the driving body is detachably connected with the mounting body, and a movable space for movably inserting the mounting body is enclosed between the driving body and the linkage member.

In some embodiments, the securing assembly further comprises:

the limiting piece is connected with the driving body and is surrounded with the driving body and the supporting body to form a containing groove, and the containing groove is communicated with the movable space and is used for containing the supporting body.

In some embodiments, the stop comprises:

the cover body is connected with the driving body and covers the accommodating groove;

and the buffer body is connected with the sealing cover body and positioned in the accommodating groove and is used for elastically propping against the workpiece to the supporting body.

In some embodiments, the fixing device further comprises a guide rail provided on the same side of the base as the fixing assembly, and the stopper comprises:

the sliding block is connected with the guide rail in a sliding way;

the stop body is connected with the positioning driving piece and the sliding block, and one end of the stop body, facing the linkage piece, is provided with the clamping part; wherein,

the positioning driving piece is used for driving the stop body to drive the sliding block to move along the guide rail, so that the clamping part on the stop body is clamped with the fixing part.

In some embodiments, the fixing portion is provided with a clamping groove, the clamping portion is provided with a convex body, and the rotation driving piece drives the linkage piece to drive the clamping groove of the fixing portion to rotate to correspond to the convex body of the clamping portion, so that the positioning driving piece drives the convex body of the clamping portion to be clamped to the clamping groove.

In some embodiments, the fixing parts are a plurality of, and the fixing parts are arranged at intervals along the circumference of the linkage piece.

Drawings

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

FIG. 2 is a cross-sectional view of the stop, linkage, rotational drive and base of FIG. 1 taken along the direction A-A.

Fig. 3 is a cross-sectional view of the securing assembly of fig. 1 taken along the direction B-B.

Fig. 4 is a schematic structural view of the linkage of fig. 1.

Description of the main reference signs

Fastening device 10

Base 11

Mounting groove 11a

Carrier 111

Fixing member 112

Connecting piece 113

Fixing mechanism 12

Rotation driving member 121

Linkage 122

Fixing portion 122a

Card slot 122b

Linkage 1221

Rotor 1222

Fixing assembly 123

Accommodation groove 123a

Support 1231

Support 1231a

Mounting body 1231b

Fixed driving piece 1232

Drive body 1232a

Support body 1232b

Limiting piece 1233

Cover 1233a

Buffer 1233b

Machining hole 1233c

Positioning mechanism 13

Positioning driving piece 131

Stop 132

Clamping portion 132a

Convex body 132b

Slider 1321

Stop 1322

Guide rail 14

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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, 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 implicitly indicating the 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.

The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present utility model provides a fixing device 10, which includes a base 11, a fixing mechanism 12 and a positioning mechanism 13 for fixing a workpiece. The fixing mechanism 12 is disposed on the base 11, and the fixing mechanism 12 includes a rotation driving member 121, a linkage member 122, and a fixing assembly 123. The linkage member 122 is provided with a fixing portion 122a, the fixing assembly 123 is used for fixing a workpiece and connecting the linkage member 122, and the rotation driving member 121 is connected with the base 11 and the linkage member 122 and is used for driving the linkage member 122 to drive the fixing assembly 123 to rotate. The positioning mechanism 13 includes a positioning driving member 131 and a stopper 132. The stopper 132 is provided with a clamping portion 132a, the clamping portion 132a can be in clamping fit with the fixing portion 122a, the positioning driving piece 131 is arranged on the base 11 and located on one side of the fixing assembly 123, and the positioning driving piece 131 is connected with the stopper 132 and used for driving the stopper 132 to move so that the clamping portion 132a is clamped with the fixing portion 122a, and therefore rotation and a rotation angle of the linkage piece 122 are limited and the fixing assembly 123 is fixed. Illustratively, the rotation driving member 121 may be a rotary cylinder, and the positioning driving member 131 may be a linear cylinder.

When the fixing device 10 is operated, the workpiece is firstly mounted on the fixing assembly 123, then the rotation driving member 121 drives the linkage member 122 to rotate, so that the linkage member 122 drives the fixing assembly 123 and the workpiece mounted on the fixing assembly 123 to rotate until the fixing portion 122a of the linkage member 122 corresponds to the clamping portion 132a of the stop member 132, and finally the positioning driving member 131 drives the stop member 132 to move, so that the clamping portion 132a is clamped and matched with the fixing portion 122a, thereby limiting the rotation angle of the linkage member 122 and fixing the fixing assembly 123, and facilitating multi-angle processing of the workpiece by the processing mechanism.

Therefore, the fixing device 10 can complete the rotation of the workpiece through the fixing mechanism 12, and in addition, the positioning mechanism 13 can form a clamping fit through the fixing portion 122a on the linkage piece 122 and the clamping portion 132a on the stop piece 132 to fix the fixing component 123, so that the correction process caused by the shaking of the fixing component 123 in the workpiece processing process is reduced, the operation process is simplified, and the processing efficiency of the workpiece is improved.

Referring to fig. 1, in some embodiments, the fixing mechanisms 12 and the positioning mechanisms 13 in the fixing device 10 are all multiple groups, so that the fixing device 10 can fix multiple workpieces at the same time. The stopper 132 can be provided with a plurality of holding portions 132a at the same time, that is, the positioning driving member 131 drives the stopper 132 to move, so that the plurality of holding portions 132a are respectively clamped to the fixing portion 122a of the linkage 122, and the fixing of the plurality of fixing assemblies 123 is synchronously achieved. In the present embodiment, two retaining portions 132a are disposed on each of the stoppers 132.

Referring to fig. 1, in some embodiments, the base 11 includes a carrier 111, a fixing member 112 and a connecting member 113, wherein the connecting member 113 connects the carrier 111 and the fixing member 112, and forms a mounting groove 11a with the carrier 111 and the fixing member 112. The rotation driving member 121 is connected to the fixing member 112 and is accommodated in the installation groove 11a, so that collision of external components to the rotation driving member 121 during operation can be avoided. The linkage member 122 and the fixing assembly 123 are located on one side of the bearing member 111 away from the fixing member 112, and the positioning driving member 131 is connected to the bearing member 111.

Referring to fig. 1 and 2, in some embodiments, the linkage 122 includes a linkage 1221 and a rotator 1222. The linkage body 1221 is disposed through the carrier 111, one end of the linkage body 1221 is connected to the rotation driving member 121, the rotation body 1222 is connected to the other end of the linkage body 1221 and disposed at a distance from the carrier 111, and a fixing portion 122a is disposed on a side of the rotation body 1222.

Therefore, the linkage body 1221 and the bearing member 111 form a penetrating structure, and the bearing member 111 can limit the rotation center axis of the linkage body 1221 in a direction perpendicular to the rotation center axis of the linkage body 1221, so as to reduce the shake of the linkage member 122 during the rotation process and improve the rotation stability of the linkage member 122.

Referring to fig. 1 and 3, in some embodiments, the fixing assembly 123 includes a support 1231 and a fixing driving member 1232. The support 1231 includes a support body 1231a and a mounting body 1231b, wherein the support body 1231a is connected to the mounting body 1231b and is used for carrying a workpiece. The fixed driving member 1232 includes a driving body 1232a and a supporting body 1232b. The supporting body 1232b and the driving body 1232a are respectively located at two opposite sides of the supporting body 1231a, the driving body 1232a is connected with the linkage 122 and the supporting body 1232b, and is used for driving the supporting body 1232b to approach the driving body 1232a, so that the supporting body 1232b and the driving body 1232a respectively support two opposite sides of the workpiece located on the supporting body 1231a to the supporting body 1231a, i.e. the fixed workpiece is located between the end of the supporting body 1232b and the driving body 1232 a. Illustratively, the driving body 1232a may be a cylinder body and the abutment 1232b may be an output shaft connected to the cylinder body.

In some embodiments, the driving body 1232a is detachably connected to the mounting body 1231b, so that the support member 1231 is separated from the fixed driving member 1232, and convenience in placing the workpiece is improved. In addition, a movable space for movably inserting the mounting body 1231b is defined between the driving body 1232a and the linkage 122, so that a certain guiding effect can be formed on the mounting body 1231b, and the efficiency of mounting the support 1231 to the fixed driving member 1232 can be improved.

In some embodiments, the securing assembly 123 further includes a stop 1233. The limiting member 1233 is connected to the driving body 1232a and surrounds the driving body 1232a and the supporting body 1232b to form a containing groove 123a, and the containing groove 123a is communicated with the movable space and is used for containing the supporting body 1231a, so that stability of workpiece fixing can be improved, and particularly, the workpiece fixing device is aimed at a workpiece with elasticity. In this embodiment, the limiting member 1233 is provided with a processing hole 1233c communicating with the accommodating groove 123a, so that an external processing mechanism processes the workpiece fixed to the supporting body 1231a through the processing hole 1233 c.

Referring to fig. 3, in some embodiments, the limiting member 1233 includes a cover 1233a and a buffer 1233b. The cover body 1233a is connected with the driving body 1232a and covers the accommodating groove 123a, and the buffer body 1233b is connected with the cover body 1233a and is positioned in the accommodating groove 123a and is used for elastically supporting the workpiece to the supporting body 1231a, so that the damage of the limiting piece 1233 to the workpiece is reduced. For example, the buffer 1233b may be a youli glue or a sponge structure.

Referring to fig. 1, in some embodiments, the fixing device 10 further includes a guide rail 14, where the guide rail 14 and the fixing assembly 123 are disposed on the same side of the carrier 111 of the base 11. Stop 132 includes a slider 1321 and a stop body 1322. The sliding block 1321 is slidably connected to the guide rail 14, the stop body 1322 is connected to the positioning driving member 131 and the sliding block 1321, and a clamping portion 132a is disposed at an end of the stop body 1322 facing the linkage 122, and the positioning driving member 131 is configured to drive the stop body 1322 to drive the sliding block 1321 to move along the guide rail 14, so that the clamping portion 132a on the stop body 1322 is clamped with the fixing portion 122a.

Accordingly, rail 14 can guide the movement of slider 1321, thereby improving the stability of the movement of stopper 132.

Referring to fig. 1 and fig. 4 together, in some embodiments, the fixing portion 122a is provided with a clamping groove 122b, the clamping portion 132a is provided with a protruding body 132b, and the rotation driving member 121 drives the linkage member 122 to drive the clamping groove 122b of the fixing portion 122a to rotate to correspond to the protruding body 132b of the clamping portion 132a, so that the positioning driving member 131 drives the protruding body 132b of the clamping portion 132a to be clamped to the clamping groove 122b. Therefore, the clamping groove 122b and the convex body 132b are adopted to form clamping fit, so that the structure is simple, and the manufacturing cost is low.

In other embodiments, the positions of the card slot 122b and the boss 132b may be interchanged. Specifically, the locking groove 122b is provided in the locking portion 132a, and the protrusion 132b is provided in the fixing portion 122a, so that the same function can be achieved.

In some embodiments, the fixing portion 122a is a plurality of fixing portions 122a, and the plurality of fixing portions 122a are disposed at intervals along the circumferential direction of the linkage 122. Accordingly, the plurality of fixing portions 122a disposed at intervals can fix the linkage 122 when it is rotated to a plurality of positions, thereby increasing the angular range of the positioning mechanism 13 to position the fixing mechanism 12.

Taking the single fixing mechanism 12 and the single positioning mechanism 13 as examples, the operation of the fixing device 10 is described as follows:

first, the mounting body 1231b and the driving body 1232a are assembled and disassembled to place the workpiece on the supporting body 1231a and to place the workpiece in the accommodating groove 123 a;

next, the driving body 1232a drives the supporting body 1232b to approach the driving body 1232a, so that the supporting body 1232b and the driving body 1232a respectively support the two opposite sides of the workpiece located on the supporting body 1231a to the supporting body 1231a, thereby fixing the workpiece;

then, the rotation driving member 121 drives the linkage member 122 to rotate, so that the linkage member 122 drives the fixing assembly 123 and the workpiece mounted on the fixing assembly 123 to rotate until the fixing portion 122a of the linkage member 122 corresponds to the clamping portion 132a of the stop member 132;

finally, the positioning driving piece 131 drives the stop body 1322 to drive the slider 1321 to move along the guide rail 14, so that the clamping portion 132a on the stop body 1322 is clamped with the fixing portion 122a.

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.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A fixation device, comprising:

a base;

the fixing mechanism is arranged on the base and comprises a rotation driving piece, a linkage piece and a fixing assembly, wherein the linkage piece is provided with a fixing part, the fixing assembly is used for fixing a workpiece and is connected with the linkage piece, and the rotation driving piece is connected with the base and the linkage piece and is used for driving the linkage piece to drive the fixing assembly to rotate;

the positioning mechanism comprises a positioning driving piece and a stopping piece, wherein the stopping piece is provided with a clamping part, the clamping part can be matched with the fixing part in a clamping way, the positioning driving piece is arranged on the base and is positioned on one side of the fixing assembly, and the positioning driving piece is connected with the stopping piece and used for driving the stopping piece to move so as to enable the clamping part to be clamped with the fixing part, thereby limiting the rotation of the linkage piece and fixing the fixing assembly.

2. The fixture of claim 1, wherein the at least one member comprises a plurality of protrusions,

the base comprises a bearing part, a fixing part and a connecting part, wherein the connecting part is connected with the bearing part and the fixing part, the rotating driving part is connected with the fixing part, the linkage part and the fixing assembly are located on one side, away from the fixing part, of the bearing part, and the positioning driving part is connected with the bearing part.

3. The fixture of claim 2, wherein the linkage comprises:

the linkage body penetrates through the bearing piece, and one end of the linkage body is connected with the rotation driving piece;

the rotating body is connected with the other end of the linkage body and is arranged at intervals with the bearing piece, and the side edge of the rotating body is provided with the fixing part.

4. The fixture of claim 1, wherein the fixture assembly comprises:

the support piece comprises a support body and an installation body, wherein the support body is connected with the installation body and is used for bearing a workpiece;

the fixed driving piece comprises a driving body and a propping body, wherein the propping body and the driving body are respectively positioned at two opposite sides of the supporting body, and the driving body is connected with the linkage piece and the propping body and is used for driving the propping body to be close to the driving body so that the propping body and the driving body respectively prop against two opposite sides of the workpiece positioned on the supporting body to the supporting body.

5. The fixture of claim 4, wherein the at least one locking element comprises a locking element,

the driving body is detachably connected with the mounting body, and a movable space for movably inserting the mounting body is formed between the driving body and the linkage piece in a surrounding mode.

6. The fixture of claim 5, wherein the fixture assembly further comprises:

the limiting piece is connected with the driving body and is surrounded with the driving body and the supporting body to form a containing groove, and the containing groove is communicated with the movable space and is used for containing the supporting body.

7. The fixture of claim 6, wherein the stop comprises:

the cover body is connected with the driving body and covers the accommodating groove;

and the buffer body is connected with the sealing cover body and positioned in the accommodating groove and is used for elastically propping against the workpiece to the supporting body.

8. The fixture of claim 1, further comprising a rail disposed on a same side of the base as the fixture assembly, the stop comprising:

the sliding block is connected with the guide rail in a sliding way;

the stop body is connected with the positioning driving piece and the sliding block, and one end of the stop body, facing the linkage piece, is provided with the clamping part; wherein,

the positioning driving piece is used for driving the stop body to drive the sliding block to move along the guide rail, so that the clamping part on the stop body is clamped with the fixing part.

9. The fixture of claim 1, wherein the at least one member comprises a plurality of protrusions,

the fixing part is provided with a clamping groove, and the clamping part is provided with a convex body; wherein,

the rotation driving piece drives the linkage piece to drive the clamping groove of the fixing part to rotate to correspond to the convex body of the clamping part, so that the positioning driving piece drives the convex body of the clamping part to be clamped to the clamping groove.

10. The fixture of claim 1, wherein the at least one member comprises a plurality of protrusions,

the fixed part is a plurality of, and a plurality of fixed parts are arranged along the circumference interval of the linkage piece.