Clamping device

Abstract

A clamping device comprises: a base; and a clamping mechanism, which is arranged on the base, and comprises: a mounting plate, which is provided with a plurality of mounting slots; and at least two fixing members, which are respectively installed in corresponding ones of the mounting slots and used to clamp a workpiece, and the fixing members can change their positions on the mounting plate to adapt to different workpieces after being installed in different mounting slots. The clamping device can adapt to different workpieces.

Description

Technical Field

[0001] The present application relates to the field of mechanical processing, and in particular to a clamping device. Background Art

[0002] Existing clamping devices are usually designed for specific workpieces. When the workpiece changes, the original clamping device can only be discarded and the clamping device needs to be redesigned and manufactured. This increases the processing cost and causes waste. In addition, redesigning and manufacturing takes a lot of time, reduces production efficiency, and cannot meet the needs of rapid prototyping. Summary of the invention

[0003] In view of this, it is necessary to provide a clamping device that can adapt to different workpieces.

[0004] An embodiment of the present application provides a clamping device, comprising:

[0005] base; and

[0006] The clamping mechanism is arranged on the base and comprises:

[0007] A mounting plate having a plurality of mounting slots; and

[0008] At least two fixing members are respectively installed in corresponding ones of the installation slots and used for clamping the workpiece. After the fixing members are installed in different installation slots, their positions on the installation plate can be changed to adapt to different workpieces.

[0009] The fixing parts can be installed in different installation slots, so that the distance between the two fixing parts can be changed to adapt to workpieces of different sizes and shapes.

[0010] In at least one embodiment of the present application, the plurality of mounting grooves include a plurality of first mounting grooves and a plurality of second mounting grooves, the plurality of first mounting grooves are parallel, the plurality of second mounting grooves are parallel; any first mounting groove is perpendicular to any second mounting groove.

[0011] The fixing member can be installed in the first mounting groove or the second mounting groove. Multiple parallel first mounting grooves / second mounting grooves enable the fixing member to flexibly adjust its position. The vertical first mounting groove and second mounting groove facilitate clamping the workpiece from different positions.

[0012] In at least one embodiment of the present application, the mounting plate is provided with a plurality of protrusions, the plurality of protrusions are spaced apart and evenly arranged on the mounting plate, and the plurality of protrusions form a plurality of the first mounting grooves and a plurality of the second mounting grooves.

[0013] The first mounting groove and the second mounting groove are formed by the protrusions arranged at intervals, and the protrusions can stably resist the fixing member to ensure the sliding effect of the fixing member.

[0014] In at least one embodiment of the present application, each of the bumps comprises:

[0015] A connecting portion, one end of which is connected to the mounting plate; and

[0016] A stopper is connected to the other end of the connecting portion, and a projection area of ​​the stopper on the mounting plate is larger than a projection area of ​​the connecting portion on the mounting plate.

[0017] The projection area of ​​the stopper on the mounting plate is larger than the projection area of ​​the connecting portion on the mounting plate, so that the top width of the first mounting groove / the second mounting groove is smaller than the bottom width, so that the stopper can limit the fixing part to ensure the sliding effect.

[0018] In at least one embodiment of the present application, the fixing member includes

[0019] a sliding portion, slidably disposed in the first mounting groove or the second mounting groove; and

[0020] The clamping portion is connected to the sliding portion and extends from between the adjacent stop portions to clamp a workpiece.

[0021] The sliding part can slide at the bottom of the first installation groove / the second installation groove and be limited by the stop part, and the clamping part extends out to clamp the workpiece, so that the fixing part can slide and clamp the workpiece.

[0022] In at least one embodiment of the present application, the fixing member further includes a holding member, which is movably disposed on the clamping portion and is used to hold the workpiece against the workpiece for fixing.

[0023] The fixing member holds the workpiece by the holding member, thereby improving the fixing effect of clamping the workpiece and preventing it from sliding.

[0024] In at least one embodiment of the present application, the protrusion is provided with an adsorption hole, the clamping device further comprises an adsorption mechanism, and the adsorption hole is connected to the adsorption mechanism for adsorbing the workpiece.

[0025] The convex block can generate negative pressure to absorb the workpiece, thereby improving the fixing effect of the workpiece.

[0026] In at least one embodiment of the present application, the adsorption mechanism includes:

[0027] A suction seat having air holes; and

[0028] A sealing member seals the area between the adsorption seat and the mounting plate to form an air chamber, and the sealing member can change shape to adapt to different workpieces.

[0029] According to the size of the workpiece, the seal forms air chambers of different sizes, so that the air chamber matches the workpiece and improves the adsorption effect.

[0030] In at least one embodiment of the present application, the air holes include a first air hole, a second air hole, a third air hole and a fourth air hole; the adsorption seat is also provided with a first fixed groove, a second fixed groove, a third fixed groove and a fourth fixed groove; the first fixed groove surrounds the first air hole, the second fixed groove surrounds the first fixed groove and the second air hole, the third fixed groove surrounds the second fixed groove and the third air hole, the fourth fixed groove, the third fixed groove and the fourth air hole, and the first fixed groove, the second fixed groove, the third fixed groove and the fourth fixed groove are respectively used to install sealing parts to form corresponding sealed spaces.

[0031] By providing a plurality of fixing grooves which are nested in layers, when the sealing element is installed in different fixing grooves, air chambers of different sizes are generated to adapt to the size of the workpiece.

[0032] In at least one embodiment of the present application, the base comprises:

[0033] a first driving mechanism;

[0034] A second driving mechanism, provided on the first driving mechanism;

[0035] A third driving mechanism, provided on the second driving mechanism; and

[0036] A rotating mechanism is arranged on the third driving mechanism and connected to the clamping mechanism. The first driving mechanism drives the second driving mechanism to move along a first direction. The second driving mechanism drives the third driving mechanism to move along a second direction. The third driving mechanism drives the rotating mechanism to move along a third direction. The first direction, the second direction and the third direction are perpendicular to each other. The rotating mechanism drives the clamping mechanism to rotate.

[0037] The base can drive the workpiece to move and rotate in three-dimensional space through the clamping mechanism to facilitate operations such as transfer and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 Schematic diagram of the three-dimensional structure of a clamping device in one embodiment.

[0039] Figure 2 for Figure 1 Schematic diagram of the exploded three-dimensional structure of the clamping device shown.

[0040] Figure 3 for Figure 1 A top view of the adsorption seat of the clamping device is shown.

[0041] Main component symbols

[0042] Clamping device 100

[0043] Base 10

[0044] The first driving mechanism 11

[0045] The second driving mechanism 12

[0046] The third driving mechanism 13

[0047] Rotating mechanism 14

[0048] Clamping mechanism 30

[0049] Mounting plate 32

[0050] Mounting slot 320

[0051] First installation slot 3212

[0052] Second mounting slot 3214

[0053] Bump 321

[0054] Adsorption hole 3210

[0055] Connection 3216

[0056] Stopper 3218

[0057] Fixing 34

[0058] Sliding portion 341

[0059] Clamping portion 343

[0060] Mounting hole 3430

[0061] Abutment 345

[0062] Adsorption mechanism 50

[0063] Adsorption seat 51

[0064] Air hole 511

[0065] First air hole 5112

[0066] Second air hole 5114

[0067] The third pore 5116

[0068] Fourth vent 5118

[0069] First fixing groove 5111

[0070] Second fixing groove 5113

[0071] The third fixing groove 5115

[0072] Fourth fixing groove 5117

[0073] Workpiece 200 DETAILED DESCRIPTION

[0074] The embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0075] It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "located on" another component, it may be directly located on the other component or there may be a central component at the same time. The terms "top", "bottom", "upper", "lower", "left", "right", "front", "back", and similar expressions used herein are for illustrative purposes only.

[0076] An embodiment of the present application provides a clamping device, comprising:

[0077] base; and

[0078] The clamping mechanism is arranged on the base and comprises:

[0079] A mounting plate having a plurality of mounting slots; and

[0080] At least two fixing members are respectively installed in corresponding ones of the installation slots and used for clamping the workpiece. After the fixing members are installed in different installation slots, their positions on the installation plate can be changed to adapt to different workpieces.

[0081] The clamping device can be adapted to workpieces of different sizes and shapes.

[0082] Some embodiments of the present application are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0083] See also Figure 1 , an embodiment of the present application provides a clamping device 100. The clamping device 100 is used to clamp different types of workpieces 200.

[0084] The clamping device 100 includes a base 10, a clamping mechanism 30 and an adsorption mechanism 50. The clamping mechanism 30 and the adsorption mechanism 50 are disposed on the base 10. The clamping mechanism 30 is used to clamp the workpiece 200. The adsorption mechanism 50 is used to adsorb the workpiece 200.

[0085] In the illustrated embodiment, the adsorption mechanism 50 is fixed to the base 10, and the clamping mechanism 30 is disposed on the adsorption mechanism 50. In at least one embodiment, the clamping mechanism 30 is disposed on the base 10; in at least one embodiment, the adsorption mechanism 50 can be omitted, and the workpiece 200 is only fixed by the clamping mechanism 30.

[0086] Please also read Figure 2 The clamping mechanism 30 includes a mounting plate 32 and at least two fixing members 34. Each fixing member 34 is mounted on the mounting plate 32. At least two fixing members 34 are used to clamp the workpiece 200 for fixing. The mounting plate 32 is provided with a plurality of mounting slots 320. The fixing members 34 are installed in different mounting slots 320 so that their positions can be adjusted on the mounting plate 32 to adapt to different workpieces 200.

[0087] In the illustrated embodiment, the plurality of mounting slots 320 include a plurality of first mounting slots 3212 and a plurality of second mounting slots 3214. The plurality of first mounting slots 3212 are parallel to each other, and the plurality of second mounting slots 3214 are parallel to each other; any first mounting slot 3212 is perpendicular to any second mounting slot 3214.

[0088] It can be understood that in other embodiments, the first mounting groove 3212 can be obliquely intersected or not intersected with the second mounting groove 3214, and the first mounting groove 3212 / the second mounting groove 3214 can also intersect with each other, etc., as long as the fixing member 34 is installed in different first mounting grooves 3212 / the second mounting grooves 3214 to adjust its position on the mounting plate 32.

[0089] Specifically, the mounting plate 32 is provided with a plurality of protrusions 321. Each of the protrusions 321 includes a connecting portion 3216 and a stopper 3218. The two ends of the connecting portion 3216 are respectively connected to the mounting plate 32 and the stopper 3218. The stopper 3218 protrudes from the connecting portion 3216. That is, the projection area of ​​the stopper 3218 on the mounting plate 32 is larger than the projection area of ​​the connecting portion 3216 on the mounting plate 32.

[0090] In the illustrated embodiment, a plurality of protrusions 321 are spaced and evenly arranged on the mounting plate 32. A plurality of first mounting grooves 3212 and a plurality of second mounting grooves 3214 are formed between the plurality of protrusions 321. The plurality of first mounting grooves 3212 are perpendicular to the plurality of second mounting grooves 3214. In the illustrated embodiment, the first mounting grooves 3212 are substantially T-shaped. The second mounting grooves 3214 are also substantially T-shaped.

[0091] The fixing member 34 includes a sliding portion 341 and a clamping portion 343. The sliding portion 341 extends from the end of the clamping portion 343. In the illustrated embodiment, the fixing member 34 is substantially T-shaped. The sliding portion 341 can slide in the first mounting groove 3212 or the second mounting groove 3214. The clamping portion 343 extends from between the adjacent stop portions 3218 to clamp the workpiece 200.

[0092] In the illustrated embodiment, the fixing member 34 further includes a resisting member 345. The resisting member 345 is movably disposed on the clamping portion 343 to resist the workpiece 200 for fixing.

[0093] In the illustrated embodiment, the abutting member 345 is threadedly connected to the clamping portion 343 and the extension length is adjusted by rotation.

[0094] In the illustrated embodiment, the clamping portion 343 is provided with a plurality of mounting holes 3430 for mounting the abutting member 345. According to the fixing requirements, the abutting member 345 can be installed in a suitable mounting hole 3430.

[0095] It can be understood that in other embodiments, the abutting member 345 can be omitted, as long as the clamping portion 343 can clamp and fix the workpiece 200 .

[0096] The protrusion 321 is further provided with a suction hole 3210 . The suction hole 3210 is connected to the suction mechanism 50 to suction the workpiece 200 .

[0097] Please also read Figure 3 The adsorption mechanism 50 includes an adsorption seat 51 and a sealing member (such as a rubber ring, not shown). The adsorption seat 51 is provided with an air hole 511. The air hole 511 is connected to the adsorption hole 3210 for air suction. The sealing member is used to seal the area between the adsorption seat 51 and the mounting plate 32 to form an air chamber. The sealing member can change shape to adapt to different workpieces 200.

[0098] Specifically, the air holes 511 include a first air hole 5112, a second air hole 5114, a third air hole 5116 and a fourth air hole 5118. The first air hole 5112, the second air hole 5114, the third air hole 5116 and the fourth air hole 5118 are arranged in sequence from the center of the adsorption seat 51 to the outer edge of the adsorption seat 51.

[0099] The adsorption seat 51 is also provided with a first fixed groove 5111, a second fixed groove 5113, a third fixed groove 5115 and a fourth fixed groove 5117. The first fixed groove 5111 surrounds the first air hole 5112. The second fixed groove 5113 surrounds the second air hole 5114 and the first fixed groove 5111. The third fixed groove 5115 surrounds the second fixed groove 5113 and the third air hole 5116. The fourth fixed groove 5117 surrounds the third fixed groove 5115 and the fourth air hole 5118. That is, each fixed groove surrounds an air hole 511 to form an air chamber accordingly. The first fixed groove 5111, the second fixed groove 5113, the third fixed groove 5115 and the fourth fixed groove 5117 are used to install a seal to form a corresponding sealed space. When the corresponding air hole is blocked and the seal is installed in the corresponding fixed groove, different air chambers can generate negative pressure to adsorb different workpieces. According to the size and position of the workpiece, one or more of the air chambers can generate negative pressure at the same time.

[0100] In the illustrated embodiment, the first fixing groove 5111 , the second fixing groove 5113 , the third fixing groove 5115 , and the fourth fixing groove 5117 are all substantially rectangular, but the invention is not limited thereto.

[0101] In the illustrated embodiment, the adsorption seat 51 is connected to the mounting plate 32 via a positioning pin.

[0102] See also Figure 1 and Figure 2 In the illustrated embodiment, the base 10 can drive the clamping mechanism 30 and the adsorption mechanism 50 to move and rotate in three-dimensional space. Specifically, the base 10 includes a first driving mechanism 11, a second driving mechanism 12, a third driving mechanism 13 and a rotating mechanism 14. The second driving mechanism 12 is arranged on the first driving mechanism 11. The third driving mechanism 13 is arranged on the second driving mechanism 12. The rotating mechanism 14 is arranged on the third driving mechanism 13. The adsorption seat 51 is arranged on the rotating mechanism 14. The first driving mechanism 11 drives the second driving mechanism 12 to move in a first direction. The second driving mechanism 12 drives the third driving mechanism 13 to move in a second direction. The third driving mechanism 13 drives the rotating mechanism 14 to move in a third direction. The first direction, the second direction and the third direction are perpendicular to each other. The rotating mechanism 14 drives the clamping mechanism 30 and the adsorption mechanism 50 to rotate.

[0103] When the clamping device 100 is in use, the sealing member is installed into the corresponding fixing groove according to the size of the workpiece 200. The adsorption seat 51 is connected to the mounting plate 32 by a positioning pin. The workpiece 200 is placed on the top of the protrusion 321. The fixing member is installed into the corresponding first mounting groove 3212 or the second mounting groove 3214. Then the abutting member 345 is rotated to abut the workpiece 200 for fixing. Then, the adsorption mechanism 50 is started to adsorb the workpiece 200.

[0104] The clamping device 100 can be adapted to workpieces of different sizes and shapes by installing the fixing member 34 into different installation slots.

[0105] In addition, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not intended to limit the present application. As long as they are within the spirit and scope of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.

Claims

1. A clamping device, characterized in that: include: Base; and The clamping mechanism is arranged on the base and comprises: A mounting plate, provided with a plurality of protrusions, wherein the plurality of protrusions form a plurality of mounting grooves; The plurality of mounting grooves include a plurality of first mounting grooves and a plurality of second mounting grooves, the plurality of first mounting grooves are parallel to each other, and the plurality of second mounting grooves are parallel to each other; any first mounting groove is perpendicular to any second mounting groove; and At least two fixing members are respectively installed in corresponding one of the mounting grooves and used to clamp the workpiece. After the fixing members are installed in different mounting grooves, their positions on the mounting plate can be changed to adapt to different workpieces. The fixing members include a sliding portion and a clamping portion extending from an end of the sliding portion. The sliding portion is slidably arranged in the first mounting groove or the second mounting groove, and the clamping portion is used to clamp the workpiece. An adsorption mechanism, the adsorption mechanism is installed on the base and is used to adsorb the workpiece; the adsorption mechanism includes an adsorption seat and a sealing member, the adsorption seat is provided with an air hole, the sealing member seals the area between the adsorption seat and the mounting plate to form an air chamber, and the sealing member can change its shape to adapt to different workpieces; the convex block is provided with an adsorption hole, and the adsorption hole is connected to the air hole for adsorbing the workpiece; The fixing member further comprises a holding member, which is movably arranged on the clamping portion and is used for holding the workpiece against the workpiece for fixing.

2. The clamping device according to claim 1, characterized in that: The plurality of protrusions are spaced apart and evenly arranged on the mounting plate, and the plurality of protrusions form a plurality of the first mounting grooves and a plurality of the second mounting grooves.

3. The clamping device according to claim 2, characterized in that: Each of the projections comprises: A connecting portion, one end of which is connected to the mounting plate; and A stopper is connected to the other end of the connecting portion, and a projection area of ​​the stopper on the mounting plate is larger than a projection area of ​​the connecting portion on the mounting plate.

4. The clamping device according to claim 3, characterized in that: The clamping portion extends from between adjacent stop portions.

5. The clamping device according to claim 1, characterized in that: The air holes include a first air hole, a second air hole, a third air hole and a fourth air hole; the adsorption seat is also provided with a first fixed groove, a second fixed groove, a third fixed groove and a fourth fixed groove; the first fixed groove surrounds the first air hole, the second fixed groove surrounds the first fixed groove and the second air hole, the third fixed groove surrounds the second fixed groove and the third air hole, and the fourth fixed groove surrounds the third fixed groove and the fourth air hole. The first fixed groove, the second fixed groove, the third fixed groove and the fourth fixed groove are respectively used to install sealing members to form corresponding sealed spaces.

6. The clamping device according to claim 1, characterized in that: The base comprises: a first driving mechanism; A second driving mechanism, provided on the first driving mechanism; A third driving mechanism, provided on the second driving mechanism; and A rotating mechanism is arranged on the third driving mechanism and connected to the clamping mechanism. The first driving mechanism drives the second driving mechanism to move along a first direction. The second driving mechanism drives the third driving mechanism to move along a second direction. The third driving mechanism drives the rotating mechanism to move along a third direction. The first direction, the second direction and the third direction are perpendicular to each other. The rotating mechanism drives the clamping mechanism to rotate.

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