CN219925778U - Clamping device - Google Patents

Abstract

The utility model provides a clamping device for clamping a plurality of workpieces, which comprises: a connection assembly; the supporting component is arranged at one end of the connecting component and is used for supporting one workpiece at one end of the plurality of workpieces; the pressing and holding assembly is arranged at the other end of the connecting assembly and comprises a first fixing piece, a first supporting and holding piece and a rotating piece, wherein the first fixing piece is connected with the other end of the connecting assembly and is arranged at intervals with the supporting and holding assembly, one side of the first fixing piece, which is away from the supporting and holding assembly, is provided with a limiting part, and a groove is formed between the limiting part and the first fixing piece; the first supporting piece is positioned at one side of the first fixing piece facing the supporting component and is opposite to the supporting component; the rotating piece is rotationally arranged on the first fixing piece and connected with the first supporting piece, and one side of the rotating piece, facing the limiting part, is provided with a protruding structure and a recessed structure. The whole assembly and disassembly process of the clamping device is not easy to touch and scratch the workpiece, and is simple to operate and short in time consumption.

Description

Clamping device

Technical Field

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

Background

In the surface treatment of electronic components, the workpiece is clamped before being sandblasted or cleaned. The existing clamping device is characterized in that a plurality of workpieces are connected in series through a string rod, then the string rod is placed on a fixing seat, and the workpieces are detached from the string rod one by one after sand blasting or cleaning. However, the clamping device is easy to scratch the workpiece in the assembling and disassembling process, and is complex in operation and long in time consumption.

Disclosure of Invention

In view of the above, it is necessary to provide a clamping device to solve the technical problems of easy scratching of the workpiece, complicated operation and long time consumption of the existing clamping device during the assembly and disassembly process.

The utility model provides a clamping device for clamping a plurality of workpieces, which comprises: a connection assembly; the supporting component is arranged at one end of the connecting component and is used for supporting one workpiece at one end of the plurality of workpieces; the pressing component is arranged at the other end of the connecting component and comprises a first fixing piece, a first supporting component and a rotating component, wherein the first fixing piece is connected with the other end of the connecting component and is arranged at intervals with the supporting component, a limiting part is arranged at one side, away from the supporting component, of the first fixing piece, and a groove is formed between the limiting part and the first fixing piece; the first supporting piece is positioned at one side of the first fixing piece facing the supporting component and is opposite to the supporting component; the rotating piece is rotationally arranged on the first fixing piece and connected with the first supporting piece, one side of the rotating piece, facing the limiting part, is provided with a protruding structure and a recessed structure, and the protruding structure and the recessed structure are matched with the groove of the limiting part when the rotating piece rotates, so that the first supporting piece is close to or far away from the supporting component to clamp or loosen a plurality of workpieces.

When the workpiece is installed, the clamping device stacks a plurality of workpiece layers on the supporting component, and then rotates the rotating piece, so that the protruding structure of the rotating piece is matched with the groove of the limiting part to enable the first supporting piece to be close to the supporting component to clamp the plurality of workpieces; when the workpiece is disassembled, the rotating piece is rotated, the concave structure of the rotating piece is matched with the groove of the limiting part, so that the first supporting piece is far away from the supporting component to loosen a plurality of workpieces, the workpiece is not easy to touch and scratch in the whole assembly and disassembly process, and the operation is simple and short in time consumption.

In some embodiments, the connection assembly comprises: one end of the first connecting rod is connected with the supporting component; the second connecting rod is arranged opposite to the first connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is connected with the first fixing piece; the adjusting component is respectively connected with one end of the first connecting rod, which is close to the second connecting rod, and one end of the second connecting rod, which is close to the first connecting rod, so as to adjust the distance between the first connecting rod and the second connecting rod.

In some embodiments, a receiving groove is formed at an end of the second connecting rod near the first connecting rod, and the adjusting component includes: one end of the first fixing rod is connected with the first connecting rod, and the other end of the first fixing rod extends into the accommodating groove of the second connecting rod; the second fixing rod is arranged in the second connecting rod, one end of the second fixing rod is rotationally connected with the first connecting rod, and one end of the second fixing rod, which is far away from the first fixing rod, is provided with a limiting part; the elastic piece is sleeved on the second fixing rod, two ends of the elastic piece are respectively abutted against the first fixing rod and the bottom of the accommodating groove, so that the limiting part of the second fixing rod is abutted against one end of the second connecting rod or one end, far away from the first connecting rod, of the first fixing piece, and the first fixing rod and the second fixing rod are rotated relatively to adjust the distance between the first fixing rod and the second fixing rod.

In some embodiments, a positioning groove is formed in a side surface of the first connecting rod, which is close to one end of the second connecting rod, a positioning column matched with the positioning groove is convexly arranged on one end of the second connecting rod, which is close to one end of the first connecting rod, the positioning column is used for rotating out of the positioning groove before feeding or discharging so that the pressing component and the supporting component are staggered to each other for feeding or discharging, and the positioning column is driven by the second connecting rod to rotate into the positioning groove after feeding is completed so that the pressing component and the supporting component are opposite to each other, so that the pressing component and the supporting component are matched to clamp a workpiece.

In some embodiments, the abutment assembly comprises: the second fixing piece is connected with one end of the first connecting rod far away from the second connecting rod; the second supporting piece is rotationally arranged on one side of the second fixing piece, which faces the first supporting piece, and is used for supporting one workpiece at one end of the plurality of workpieces.

In some embodiments, the first fixing member and the second fixing member each include a connection block and a clamping block that are clamped, the connection block is connected with the first connection rod or the second connection rod, and the clamping block is connected with the first abutting member or the second abutting member.

In some embodiments, the clamping device further comprises: the base is provided with a storage groove, and the connecting block, the first connecting rod and the second connecting rod are all arranged in the storage groove.

In some embodiments, a first positioning structure is disposed on a side of the first supporting member adjacent to the second supporting member to position a side surface of the workpiece.

In some embodiments, a second positioning structure is disposed on a side of the second supporting member, which is close to the first supporting member, so as to position another side surface of the workpiece opposite to the side surface positioned by the first positioning structure.

In some embodiments, a rotating structure is disposed on a side of the rotating member facing away from the first supporting member, and the rotating structure can drive the rotating member to rotate, so that the protruding structure or the recessed structure rotates into the groove of the limiting portion.

Drawings

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

Fig. 2 is a schematic perspective view of the workpiece in fig. 1 in front.

Fig. 3 is a schematic perspective view of the workpiece of fig. 1 from the back side.

Fig. 4 is an enlarged view of a portion of the clamping device of fig. 1 at III.

Fig. 5 is an exploded view of the clamping device of fig. 1.

Fig. 6 is a partially exploded view of the connection assembly of the clamping device of fig. 5.

Fig. 7 is a schematic cross-sectional view of the connection assembly of the clamping device of fig. 5 along VI-VI.

Description of the main reference signs

Clamping device 100

Connection assembly 10

First connecting rod 11

Positioning groove 111

Second connecting rod 12

Accommodation groove 121

Positioning column 122

Adjustment assembly 13

First fixing rod 131

Second fixing rod 132

Elastic member 133

Pin 134

Spacing part 135

Holding assembly 20

Second fixing member 21

Second connecting block 211

Second clamping block 212

Second abutting piece 22

Second positioning structure 221

Press-holding assembly 30

First fixing member 31

First connecting block 311

First clamping block 312

First abutting piece 32

First positioning structure 321

Rotating member 33

Raised structure 331

Recess structure 332

Rotating structure 333

Limit part 34

Recess 341

Base 40

Storage groove 41

Bottom plate 42

Fixed block 43

Workpiece 200

Front face 210

Post 220

First circular groove 230

Back surface 240

Square groove 250

Second circular groove 260

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 to 3, an embodiment of the present utility model provides a clamping device 100, which is used for sandblasting or cleaning, and is used for clamping a plurality of workpieces 200, such as 17 workpieces shown in the drawings, so as to improve the production efficiency. In this embodiment, the workpiece 200 is a mobile phone middle frame, the front side 210 of the workpiece 200 is provided with two protruding columns 220 and two first round grooves 230, the back side 240 of the workpiece 200 is provided with a square groove 250 and two second round grooves 260 respectively arranged on the upper side and the lower side of the square groove 250, wherein the two protruding columns 220 of the front side 210 of the workpiece 200 and the two second round grooves 260 of the back side 240 of the workpiece 200 are matched, and when the two workpieces 200 are stacked together, the two workpieces 200 can be inserted and connected through the two protruding columns 220 and the two second round grooves 260, and are not easy to shake. In some embodiments, the protruding pillar 220 and the first circular groove 230 may not be provided, so long as the workpiece 200 is provided with a structure capable of positioning two adjacent workpieces 200 with each other, for example, by matching a boss and a groove. Specifically, the clamping device 100 includes a connecting assembly 10, a holding assembly 20, and a pressing assembly 30.

The supporting component 20 is disposed at one end of the connecting component 10, and is used for supporting a workpiece 200 at one end of the plurality of workpieces 200. The pressing component 30 is disposed at the other end of the connecting component 10, and the pressing component 30 includes a first fixing member 31, a first supporting member 32, and a rotating member 33, where the first fixing member 31 is connected with the other end of the connecting component 10 and is disposed at a distance from the supporting component 20. Referring to fig. 4, a limiting portion 34 is disposed on a side of the first fixing member 31 facing away from the supporting component 20, and a recess 341 is formed between the limiting portion 34 and the first fixing member 31; the first supporting member 32 is located at one side of the first fixing member 31 facing the supporting component 20 and is opposite to the supporting component 20; the rotating member 33 is rotatably disposed on the first fixing member 31 and connected to the first supporting member 32, and a side of the rotating member 33 facing the limiting portion 34 has a protruding structure 331 and a recessed structure 332, so that the first supporting member 32 is close to or far from the supporting assembly 20 to clamp or unclamp the plurality of workpieces 200 when the rotating member 33 rotates through cooperation of the protruding structure 331 and the recessed structure 332 with the recess 341 of the limiting portion 34.

In the present embodiment, the protruding structure 331 and the recessed structure 332 are located on one side of the rotating member 33 and are both curved surfaces, and since the periphery of the workpiece 200 needs to be kept for one time for sandblasting or cleaning during sandblasting or cleaning, but the bottom side of the workpiece 200 cannot be blasted or cleaned for the first time, and the workpiece 200 needs to be rotated 180 ° and then cleaned again, the protruding structure 331 and the recessed structure 332 are both provided in two and alternate arrangement, so that the workpiece 200 can be clamped when the protruding structure 331 rotates into the groove 341 of the limiting portion 34, and the workpiece 200 can be loosened when the recessed structure 332 rotates into the groove 341 of the limiting portion 34.

In the above-mentioned clamping device 100, when installing the workpieces 200, a plurality of workpieces 200 are stacked on the supporting component 20, and then the rotating member 33 is rotated, so that the protruding structure 331 of the rotating member 33 cooperates with the groove 341 of the limiting portion 34 to make the first supporting member 32 approach to the supporting component 20 to clamp the plurality of workpieces 200; when the workpieces 200 are disassembled, the rotating piece 33 is rotated, so that the concave structure 332 of the rotating piece 33 is matched with the groove 341 of the limiting part 34 to enable the first abutting piece 32 to be far away from the abutting assembly 20 so as to loosen the workpieces 200, the workpieces 200 are not easy to scratch in the whole assembly and disassembly process, and the operation is simple and the time consumption is short.

Referring to fig. 5, in some embodiments, the connection assembly 10 includes a first connection rod 11, a second connection rod 12, and an adjustment assembly 13.

The first connection rod 11 is exemplified by an elongated shape, but is not limited thereto. One end of the first connecting rod 11 is connected to the holding assembly 20. The second connecting rod 12 is exemplified by, but not limited to, a rectangular parallelepiped shape. The second connecting rod 12 is disposed opposite to the first connecting rod 11, and one end of the second connecting rod 12 away from the first connecting rod 11 is connected to the first fixing member 31. The two ends of the adjusting component 13 are respectively connected with one end of the first connecting rod 11 close to the second connecting rod 12 and one end of the second connecting rod 12 close to the first connecting rod 11 so as to adjust the distance between the first connecting rod 11 and the second connecting rod 12. In this manner, a different number of workpieces 200, for example 16, 20, can be clamped as desired.

Referring to fig. 6 and 7, in some embodiments, a receiving groove 121 is formed at an end of the second connecting rod 12 near the first connecting rod 11, the adjusting assembly 13 includes a first fixing rod 131, a second fixing rod 132 and an elastic member 133, one end of the first fixing rod 131 is connected to the first connecting rod 11 through a pin 134, and the other end of the first fixing rod 131 is in threaded connection with the second fixing rod 132; the second fixing rod 132 passes through the second connecting rod 12, and a limiting part 135 is arranged at one end far away from the first fixing rod 131; the elastic member 133 is sleeved on the second fixing rod 132, and two ends of the elastic member 133 respectively abut against the first fixing rod 131 and the bottom of the accommodating groove 121, so that the limiting portion 135 of the second fixing rod 132 abuts against the second connecting rod 12 or one end of the first fixing member 31 away from the first connecting rod 11, so as to adjust the distance between the first connecting rod 11 and the second connecting rod 12 by relatively rotating the first fixing rod 131 and the second fixing rod 132. In the present embodiment, the elastic member 133 is a spring.

In some embodiments, a positioning groove 111 is formed on the upper side of the first connecting rod 11 near one end of the second connecting rod 12, a positioning post 122 matched with the positioning groove 111 is protruding on one end of the second connecting rod 12 near the first connecting rod 11, the positioning post 122 is used for rotating out of the positioning groove 111 before feeding or discharging, so that the pressing component 30 and the supporting component 20 are staggered to each other for feeding or discharging, and are driven by the second connecting rod 12 to rotate into the positioning groove 111 after feeding is completed, so that the pressing component 30 and the supporting component 20 are opposite, so that the pressing component 30 and the supporting component 20 cooperate to clamp the workpiece 200, the second connecting rod 12 is prevented from continuing to rotate, the workpiece 200 is helped to be quickly rotated into place after being replaced by an operator, and then the rotating piece 33 is rotated to press the workpiece 200 for sandblasting or cleaning.

With continued reference to fig. 5, in some embodiments, the abutting component 20 includes a second fixing member 21 and a second abutting member 22, where the second fixing member 21 is illustratively, but not limited to, a block shape, and the second fixing member 21 is vertically connected to an end of the first connecting rod 11 away from the second connecting rod 12; the second supporting member 22 is rotatably disposed on a side of the second fixing member 21 facing the first supporting member 32, and is used for supporting a workpiece 200 at one end of the plurality of workpieces 200.

In some embodiments, the first fixing member 31 includes a first connecting block 311 and a first clamping block 312 that are clamped by a buckle, the first connecting block 311 is vertically connected with the second connecting rod 12, and the first clamping block 312 is rotationally connected with the rotating member 33. The second fixing piece 21 comprises a second connecting block 211 and a second clamping block 212 which are connected through a buckle, the second connecting block 211 is connected with the first connecting rod 11, and the second clamping block 212 is rotationally connected with the second abutting piece 22.

So, through all setting up first connecting block 311 and first fixture block 312, and second connecting block 211 and second fixture block 212 to the buckle and connect, can conveniently take whole group's work piece 200, production efficiency obtains improving by a wide margin, has also reduced the production of bumping defective products such as scratch simultaneously, has promoted work piece 200 quality.

In some embodiments, the clamping device 100 further includes a base 40, and a receiving groove 41 is formed in the base 40, wherein the base 40 includes a bottom plate 42 and two fixing blocks 43 spaced apart from each other on one side of the bottom plate 42, the receiving groove 41 is formed on the two fixing blocks 43 and the bottom plate 42, and the first connecting block 311, the second connecting block 211, the first connecting rod 11 and the second connecting rod 12 are detachably disposed in the receiving groove 41.

Thus, when the sand blasting or cleaning is performed, the first connecting block 311, the second connecting block 211, the first connecting rod 11 and the second connecting rod 12 can be clamped in the accommodating groove 41 under the action of the elastic member 133. When loading and unloading are performed, the elastic piece 133 can be extruded, so that a gap is generated between the first connecting block 311 or the second connecting block 211 and the fixed block 43, and the workpiece 200 can be conveniently taken for replacement.

In some embodiments, a first positioning structure 321 is disposed on a side of the first abutment 32 adjacent to the second abutment 22 to position a side of the workpiece 200. In the present embodiment, the first positioning structures 321 are two cylindrical structures that fit into the two first circular grooves 230 of the front surface 210 of the workpiece 200.

In some embodiments, a second positioning structure 221 is disposed on a side of the second abutment 22 adjacent to the first abutment 32 to position another side of the workpiece 200 opposite to the side positioned by the first positioning structure 321. In the present embodiment, the second positioning structure 221 has four block structures to be abutted in the square groove 250 of the back surface 240 of the workpiece 200.

In some embodiments, a rotating structure 333 is disposed on a side of the rotating member 33 facing away from the first supporting member 32, and the rotating structure 333 can drive the rotating member 33 to rotate, so that the protruding structure 331 or the recessed structure 332 rotates into the recess 341 of the limiting portion 34. In the present embodiment, the rotating structure 333 is a handle.

The working process of the clamping device 100 is as follows:

firstly, the rotating structure 333 rotates the concave structure 332 into the groove 341 of the limiting portion 34, rotates the second connecting rod 12 and drives the positioning column 122 to rotate to a preset position, so that the positioning column 122 moves out of the positioning groove 111;

next, a workpiece 200 is placed on the second supporting member 22 of the supporting member 20, so that the second positioning structure 221 of the second supporting member 22 is supported in the square groove 250 of the back surface 240 of the workpiece 200, then another workpiece 200 is placed on the workpiece 200, wherein the two protruding columns 220 of the front surface 210 of the workpiece 200 extend into the two second round grooves 260 of the back surface 240 of the other workpiece 200, and then the workpieces 200 are stacked in sequence according to the above steps until the number of the workpieces 200 is a predetermined number;

again, the second connecting rod 12 is rotated, so that the positioning column 122 of the second connecting rod 12 is rotated into the positioning groove 111;

then, the rotating structure 333 rotates the protruding structure 331 to the recess 341 of the limiting portion 34, during which the first abutting piece 32 approaches the second abutting piece 22, and the first positioning structure 321 extends into the two first circular grooves 230 on the front surface 210 of the workpiece 200, so as to clamp the plurality of workpieces 200;

then, the first connecting rod 11 and the second connecting rod 12 of the connecting assembly 10, the second connecting block 211 of the abutting assembly 20, and the first connecting block 311 of the pressing assembly 30 are placed on the accommodating groove 41;

finally, the assembled clamping device 100 is removed into the cleaning frame, and then sandblasting or cleaning is performed.

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 clamping device for clamping a plurality of workpieces, comprising:

a connection assembly;

the supporting component is arranged at one end of the connecting component and is used for supporting one workpiece at one end of the plurality of workpieces;

the pressing component is arranged at the other end of the connecting component and comprises a first fixing piece, a first supporting component and a rotating component, wherein the first fixing piece is connected with the other end of the connecting component and is arranged at intervals with the supporting component, a limiting part is arranged at one side, away from the supporting component, of the first fixing piece, and a groove is formed between the limiting part and the first fixing piece;

the first supporting piece is positioned at one side of the first fixing piece facing the supporting component and is opposite to the supporting component; the rotating piece is rotationally arranged on the first fixing piece and connected with the first supporting piece, one side of the rotating piece, facing the limiting part, is provided with a protruding structure and a recessed structure, and the protruding structure and the recessed structure are matched with the groove of the limiting part when the rotating piece rotates, so that the first supporting piece is close to or far away from the supporting component to clamp or loosen a plurality of workpieces.

2. The clamping device as recited in claim 1, wherein said connection assembly comprises:

one end of the first connecting rod is connected with the supporting component;

the second connecting rod is arranged opposite to the first connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is connected with the first fixing piece;

the adjusting component is respectively connected with one end of the first connecting rod, which is close to the second connecting rod, and one end of the second connecting rod, which is close to the first connecting rod, so as to adjust the distance between the first connecting rod and the second connecting rod.

3. The clamping device as claimed in claim 2, wherein a receiving groove is formed at an end of the second connecting rod adjacent to the first connecting rod, and the adjusting assembly includes:

one end of the first fixing rod is connected with the first connecting rod, and the other end of the first fixing rod extends into the accommodating groove of the second connecting rod;

the second fixing rod is arranged in the second connecting rod, one end of the second fixing rod is rotationally connected with the first connecting rod, and one end of the second fixing rod, which is far away from the first fixing rod, is provided with a limiting part;

the elastic piece is sleeved on the second fixing rod, two ends of the elastic piece are respectively abutted against the first fixing rod and the bottom of the accommodating groove, so that the limiting part of the second fixing rod is abutted against the second connecting rod or one end, far away from the first connecting rod, of the first fixing piece, and the first fixing rod and the second fixing rod are rotated relatively to adjust the distance between the first connecting rod and the second connecting rod.

4. The clamping device as claimed in claim 3, wherein a positioning slot is formed in a side surface of the first connecting rod, which is close to one end of the second connecting rod, a positioning column matched with the positioning slot is convexly arranged at one end of the second connecting rod, which is close to the first fixing rod, the positioning column is used for rotating out of the positioning slot before feeding or discharging so that the pressing component and the supporting component are staggered with each other to feed or discharge, and the pressing component and the supporting component are rotated into the positioning slot under the driving of the second connecting rod after feeding is completed so that the pressing component and the supporting component are opposite to each other, so that the pressing component and the supporting component can be matched to clamp a workpiece.

5. The clamping device as claimed in claim 2, wherein said abutment assembly comprises:

the second fixing piece is connected with one end of the first connecting rod far away from the second connecting rod;

the second supporting piece is rotationally arranged on one side of the second fixing piece, which faces the first supporting piece, and is used for supporting one workpiece at one end of the plurality of workpieces.

6. The clamping device of claim 5, wherein the first fixing member and the second fixing member each comprise a clamping connection block and a clamping block, the connection block is connected with the first connecting rod or the second connecting rod, and the clamping block is connected with the first abutting member or the second abutting member.

7. The clamping device as recited in claim 6, further comprising:

the base is provided with a storage groove, and the connecting block, the first connecting rod and the second connecting rod are detachably arranged in the storage groove.

8. The clamping device of claim 5, wherein a side of the first abutment adjacent to the second abutment is provided with a first positioning structure to position a side of the workpiece.

9. The clamping device of claim 8, wherein a second locating structure is provided on a side of the second abutment adjacent to the first abutment to locate another side of the workpiece opposite to the side where the first locating structure is located.

10. The clamping device as claimed in claim 1, wherein a rotating structure is disposed on a side of the rotating member facing away from the first supporting member, and the rotating structure can drive the rotating member to rotate, so that the protruding structure or the recessed structure rotates into the groove of the limiting portion.