Fixing device

Abstract

A fixing device comprises a first positioning assembly, a second positioning assembly and a clamping assembly, the first positioning assembly is suitable for moving in the first direction and the second direction, the second positioning assembly and the first positioning assembly are arranged in a spaced mode, and the second positioning assembly is suitable for moving in the third direction. Any two of the first direction, the second direction and the third direction form an included angle, the first positioning assembly and the second positioning assembly are both suitable for positioning a workpiece, the clamping assembly, the first positioning assembly and the second positioning assembly are arranged at intervals, the clamping assembly is suitable for clamping the workpiece, and the universality degree of the fixing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle processing fixtures, in particular to a fixing device. Background Art

[0002] At present, the handling of parts in the door automation line is completed by robot grippers. In order to realize the handling function, corresponding grippers need to be designed. Different models and different parts have corresponding grippers and placement racks. The more models are imported, the more grippers and placement racks there are, which takes up a lot of space and is costly. Therefore, manufacturers have developed fixing devices to solve the above problems. In the prior art, the fixing device realizes the flexible fixation of the door in the X and Z directions, but the fixing device does not have a fixing mechanism that moves in the Y direction, so the fixing device has poor universality in actual use. Utility Model Content

[0003] The utility model aims to provide a fixing device, which solves the problem of poor universality of the fixing device.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model provides a fixing device, comprising: a first positioning component, suitable for moving in a first direction and a second direction; a second positioning component, spaced apart from the first positioning component, the second positioning component being suitable for moving in a third direction, the first direction, the second direction and any two of the third direction having an angle, the first positioning component and the second positioning component being suitable for positioning a workpiece; a clamping component, spaced apart from the first positioning component and the second positioning component, the clamping component being suitable for clamping the workpiece.

[0006] In one embodiment, the fixing device further comprises a connecting frame, and the first positioning assembly, the second positioning assembly and the clamping assembly are all connected to the connecting frame.

[0007] In one embodiment, the fixing device also includes a first slide rail and a second slide rail, the first slide rail is connected to the connecting frame, the first slide rail extends along the first direction, the second slide rail is slidably connected to the first slide rail, the second slide rail extends along the second direction, and the first positioning assembly is slidably connected to the second slide rail.

[0008] In one embodiment, the first positioning assembly includes a first support, a first positioning member and a first position detection member, the first support is slidably connected to the second slide rail, the first positioning member and the first position detection member are both connected to the first support, the first positioning member is suitable for positioning the workpiece, the first position detection member is suitable for detecting the position of the first positioning portion of the workpiece relative to the first positioning member, and the first positioning member is suitable for connecting with the first positioning portion to achieve positioning.

[0009] In one embodiment, the first positioning member includes a first body and a first extension portion, the first body is connected to the first support, the first extension portion is slidingly connected to the first body along the third direction, and the first extension portion extends out of the first body, and the first extension portion is suitable for connecting to the first positioning portion.

[0010] In one embodiment, the first extending portion includes a step portion and a limiting portion, one end of the step portion is connected to the first body, and the other end is connected to the limiting portion, the orthographic projection of the limiting portion in the third direction is located inside the orthographic projection of the step portion in the third direction, the first positioning portion is provided with a positioning hole, the limiting portion is suitable for extending into the positioning hole, and the step portion is suitable for abutting the workpiece.

[0011] In one embodiment, the limiting portion includes a limiting body and a limiting protrusion, the limiting body is connected to the step portion, the limiting protrusion protrudes from the outer circumferential surface of the limiting body, the inner wall of the positioning hole is provided with a notch, and the limiting protrusion is suitable for extending into the notch.

[0012] In one embodiment, the first position detection member includes a mounting portion and a detection portion, the mounting portion is connected to the first support, the detection portion is disposed on the mounting portion, and the detection portion is suitable for detecting a position of the first positioning portion relative to the first positioning member.

[0013] In one embodiment, the mounting portion includes a first plate, a second plate, and a third plate connected in sequence, the first plate and the third plate are opposite to each other in the third direction, the first plate is connected to the first support, and the detection portion is arranged on the third plate.

[0014] In one embodiment, the fixing device further includes a third slide rail, the third slide rail is connected to the connecting frame, the third slide rail extends along the third direction, and the second positioning assembly is slidably connected to the third slide rail.

[0015] In one embodiment, the second positioning assembly includes a second support, a second positioning member and a second position detection member, the second support is slidably connected to the third slide rail, the second positioning member and the second position detection member are both connected to the second support, the second positioning member is suitable for positioning the workpiece, the second position detection member is suitable for detecting the position of the second positioning portion of the workpiece relative to the second positioning member, and the second positioning member is suitable for connecting with the second positioning portion to achieve positioning.

[0016] In one embodiment, the clamping assembly includes a clamping support, a driving member and a clamping member, the clamping support is connected to the connecting frame and the driving member, the driving member is connected to the clamping member to drive the clamping member to move, and the clamping member is suitable for clamping the workpiece.

[0017] In one embodiment, the clamping member includes a connecting plate, a pressure arm plate, a pressing portion and a positioning plate, the connecting plate is connected to the clamping support, the pressure arm plate is rotatably connected to the driving member and the connecting plate, the pressing portion is connected to the pressure arm plate, and the positioning plate is connected to the connecting plate.

[0018] In one embodiment, the clamping portion includes a mounting plate and a clamping plate, one end of the mounting plate is connected to the pressure arm plate, and the other end is connected to the clamping plate, and the clamping plate is arranged opposite to the positioning plate to be suitable for clamping the workpiece.

[0019] In one embodiment, the driving member includes a first sub-driving member and a second sub-driving member connected to each other, the first sub-driving member is connected to the clamping support, the second sub-driving member is connected to the connecting plate, and the second sub-driving member is rotatably connected to the pressure arm plate.

[0020] By setting a fixing device, the fixing device includes a first positioning component, a second positioning component and a clamping component. The first positioning component is suitable for moving in the first direction and the second direction, the second positioning component is spaced apart from the first positioning component, and the second positioning component is suitable for moving in the third direction. Any two of the first direction, the second direction and the third direction have an angle. The first positioning component and the second positioning component are both suitable for positioning the workpiece. The clamping component is spaced apart from the first positioning component and the second positioning component. The clamping component is suitable for clamping the workpiece. The first positioning component moves in the first direction and the second direction, and the second positioning component moves in the third direction, thereby improving the universality of the fixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 is a schematic structural diagram of a fixing device of an embodiment;

[0023] Figure 2 is a schematic structural diagram of a first positioning member of an embodiment;

[0024] Figure 3 is a schematic structural diagram of a clamping assembly according to an embodiment;

[0025] Figure 4 It is a schematic structural diagram of the installation part of an embodiment.

[0026] Description of reference numerals:

[0027] 10-fixing device, 11-first positioning assembly, 111-first slide rail, 112-second slide rail, 113-first positioning member, 1131-first body, 1132-first extension, 1133-step portion, 1134-limiting portion, 1135-limiting protrusion, 12-second positioning assembly, 121-third slide rail, 122-second positioning member, 1221-second body, 1222-second extension, 13-clamping assembly Part, 131-clamping support, 132-connecting plate, 133-first sub-driving member, 134-second sub-driving member, 135-pressure arm plate, 136-pressure portion, 137-positioning plate, 14-connecting frame, 15-first position detection member, 151-installing portion, 1511-first plate, 1512-second plate, 1513-third plate, 16-second position detection member, X-first direction, Y-third direction, Z-second direction. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0031] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] At present, the handling of parts in the door automation line is completed by robot grippers. In order to realize the handling function, corresponding grippers need to be designed. Different models and different parts have corresponding grippers and placement racks. The more models are introduced, the more grippers and placement racks there are, which takes up a lot of space and is costly. Therefore, the manufacturer has developed a fixing device 10 to solve the above problems. In the prior art, the fixing device 10 realizes flexible fixing of the door in the X direction and the Z direction, but the fixing device 10 does not have a fixing mechanism that moves in the Y direction, so the fixing device 10 has poor universality in actual use.

[0033] In view of the above problems, the present invention provides a fixing device 10. Figure 1 and Figure 2 , including a first positioning component 11, a second positioning component 12 and a clamping component 13.

[0034] The first positioning assembly 11 is adapted to move in a first direction X and a second direction Z.

[0035] The second positioning assembly 12 is spaced apart from the first positioning assembly 11, and the second positioning assembly 12 is suitable for moving in the third direction Y. Any two of the first direction X, the second direction Z and the third direction Y have an angle, and the first positioning assembly 11 and the second positioning assembly 12 are both suitable for positioning the workpiece. Optionally, the angle between the first direction X and the second direction Z is ninety degrees. Optionally, the angle between the second direction Z and the third direction Y is ninety degrees. Optionally, the angle between the first direction X and the third direction Y is ninety degrees.

[0036] The clamping assembly 13 is spaced apart from the first positioning assembly 11 and the second positioning assembly 12 , and the clamping assembly 13 is suitable for clamping a workpiece.

[0037] By setting the first positioning component 11, the second positioning component 12 and the clamping component 13, the first positioning component 11 is suitable for moving in the first direction X and the second direction Z, the second positioning component 12 is spaced apart from the first positioning component 11, the second positioning component 12 is suitable for moving in the third direction Y, any two of the first direction X, the second direction Z and the third direction Y have an angle, the first positioning component 11 and the second positioning component 12 are both suitable for positioning the workpiece, the clamping component 13 is spaced apart from the first positioning component 11 and the second positioning component 12, the clamping component 13 is suitable for clamping the workpiece, the first positioning component 11 moves in the first direction X and the second direction Z, and the second positioning component 12 moves in the third direction Y, thereby improving the universality of the fixing device 10.

[0038] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The fixing device 10 further includes a connecting frame 14 , and the first positioning assembly 11 , the second positioning assembly 12 and the clamping assembly 13 are all connected to the connecting frame 14 .

[0039] Optionally, the connection frame 14 is connected to the ground. Optionally, the first positioning assembly 11 is connected to the connection frame 14 via a threaded nut, the second positioning assembly 12 is connected to the connection frame 14 via a threaded nut, and the clamping assembly 13 is connected to the connection frame 14 via a threaded nut.

[0040] Optionally, the material of the connecting frame 14 is carbon structural steel. Optionally, a plurality of weight-reducing holes are provided on the connecting frame 14, and the plurality of weight-reducing holes are arranged at intervals. Optionally, the plurality of weight-reducing holes are arranged at equal intervals. Since the fixing device 10 is to be installed on a robot for use, the weight of the connecting frame 14 should be reduced by designing a plurality of weight-reducing holes while ensuring strength, thereby reducing the load requirement of the robot.

[0041] Specifically, the provision of the connecting frame 14 improves the structure of the fixing device 10 and enhances the stability of the connection between the first positioning assembly 11 , the second positioning assembly 12 and the clamping assembly 13 .

[0042] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The fixing device 10 includes a first slide rail 111 and a second slide rail 112. The first slide rail 111 is connected to the connecting frame 14, the first slide rail 111 extends along the first direction X, the second slide rail 112 is slidably connected to the first slide rail 111, the second slide rail 112 extends along the second direction Z, and the first positioning assembly 11 is slidably connected to the second slide rail 112.

[0043] Optionally, the fixing device 10 further includes a sliding connecting plate, one end of which is connected to the first slide rail 111 and the other end of which is connected to the second slide rail 112 , thereby achieving: the second slide rail 112 is installed on the first slide rail 111 in the form of a sliding connecting plate.

[0044] Optionally, the first positioning assembly 11 also includes a connected base, a servo motor, a servo motor connecting plate 132, a screw nut, a bearing, a slider, a transition plate, a connecting plate 132, a slide rail protection cover, a transmission mechanism protection cover, a synchronous belt and a synchronous pulley. The specific connection method of the above parts is: the base is connected to the connecting frame 14, the slider is connected to the base, the servo motor connecting plate 132 is connected to the base to fix the servo motor, the servo motor and the screw nut are installed with a synchronous pulley (the transmission ratio is designed in combination with the screw parameters, the servo motor parameters and the positioning accuracy, and the size of the two pulleys is selected according to the designed transmission ratio), connected by a synchronous belt, the bearing plays the role of supporting the screw, the nut on the screw is connected to the slider through the transition plate, and finally the slide rail protection cover and the transmission mechanism protection cover are installed. The movement mode of the first positioning component 11 is as follows: the servo motor rotates, driving the two synchronous pulleys to rotate through the synchronous belt, the synchronous pulleys are connected to the lead screw nut through a flat key, the synchronous pulleys drive the lead screw to rotate, the lead screw rotation drives the transition plate to move forward or backward, and the transition plate drives the connecting plate 132 to translate, so that the rotational motion of the servo motor is converted into the linear motion of the connecting plate 132.

[0045] Specifically, the first slide rail 111 and the second slide rail 112 improve the structure of the first positioning assembly 11 and enhance the flexibility of the fixing device 10 in fixing the workpiece.

[0046] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The first positioning assembly 11 includes a first support, a first positioning member 113 and a first position detection member 15. The first support is slidably connected to the second slide rail 112. The first positioning member 113 and the first position detection member 15 are both connected to the first support. The first positioning member 113 is suitable for positioning the workpiece. The first position detection member 15 is suitable for detecting the position of the first positioning portion of the workpiece relative to the first positioning member 113. The first positioning member 113 is suitable for connecting with the first positioning portion to achieve positioning.

[0047] Optionally, the first positioning member 113 can move in the first direction X and the second direction Z. Optionally, the clamping force of the first positioning member 113 is adjusted by calculation so that the first positioning member 113 has a positioning function, which provides more space for the flexible design of the fixing device 10 .

[0048] Specifically, the first positioning member 113 improves the structure of the first positioning assembly 11 and improves the stability of the fixed workpiece.

[0049] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The first positioning member 113 includes a first body 1131 and a first extension portion, the first body 1131 is connected to the first support, the first extension portion is slidably connected to the first body 1131 along the third direction Y, and the first extension portion extends out of the first body 1131, and the first extension portion is suitable for connecting with the first positioning portion.

[0050] Optionally, the first extension portion can extend in the third direction Y or retract.

[0051] Specifically, the first body 1131 and the first extension portion improve the structure of the first positioning member 113 and enhance the stability of the first positioning member 113 in fixing the workpiece.

[0052] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The first extending portion includes a step portion 1133 and a limiting portion 1134. One end of the step portion 1133 is connected to the first body 1131, and the other end is connected to the limiting portion 1134. The orthographic projection of the limiting portion 1134 on the third direction Y is located inside the orthographic projection of the step portion 1133 on the third direction Y. The first positioning portion is provided with a positioning hole. The limiting portion 1134 is suitable for extending into the positioning hole, and the step portion 1133 is suitable for abutting against the workpiece.

[0053] Optionally, the positioning hole may be a polygonal hole, a circular hole, an elliptical hole, an irregularly shaped hole, etc.

[0054] Specifically, the step portion 1133 and the limiting portion 1134 improve the structure of the first extending portion and enhance the stability of the first extending portion in fixing the workpiece.

[0055] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The limiting portion 1134 includes a limiting body and a limiting protrusion 1135. The limiting body is connected to the step portion 1133. The limiting protrusion 1135 protrudes from the outer circumferential surface of the limiting body. A notch is provided on the inner wall of the positioning hole, and the limiting protrusion 1135 is suitable for extending into the notch.

[0056] Optionally, the limiting protrusion 1135 is connected to the step portion 1133. Optionally, the notch is a limiting hole or a limiting groove.

[0057] Specifically, the arrangement of the limiting body and the limiting protrusion 1135 improves the structure of the limiting portion 1134 and enhances the stability of the fixation of the workpiece.

[0058] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The first position detection member 15 includes a mounting portion 151 and a detection portion. The mounting portion 151 is connected to the first support. The detection portion is arranged on the mounting portion 151 and is suitable for detecting the position of the first positioning portion relative to the first positioning member 113 .

[0059] Optionally, the detection part is a first sensor, the mounting part 151 and the first sensor are connected by a threaded nut, and the active component of the first position detection member 15 is a proximity switch for detecting whether the workpiece is in place. When the proximity switch has no signal, the fixing device 10 does not operate.

[0060] Specifically, the first position detection member 15 improves the structure of the fixing device 10 and enhances the accuracy of the workpiece fixation.

[0061] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The mounting portion 151 includes a first plate 1511, a second plate 1512 and a third plate 1513 which are connected in sequence. The first plate 1511 and the third plate 1513 are opposite to each other in the third direction Y. The first plate 1511 is connected to the first support, and the detection portion is arranged on the third plate 1513.

[0062] Optionally, the shape of the first plate 1511 can be polygonal, circular, elliptical, irregular, etc., the shape of the second plate 1512 can be polygonal, circular, elliptical, irregular, etc., and the shape of the third plate 1513 can be polygonal, circular, elliptical, irregular, etc.

[0063] Specifically, the first plate 1511 , the second plate 1512 , and the third plate 1513 improve the structure of the mounting portion 151 , and facilitate detection by the detection portion.

[0064] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The fixing device 10 further includes a third slide rail 121 , which is connected to the connecting frame 14 , and the third slide rail 121 extends along the third direction Y, and the second positioning assembly 12 slides and moves with the third slide rail 121 .

[0065] Optionally, the length of the third slide rail 121 is determined according to user needs, and the present invention does not limit it.

[0066] Specifically, the third slide rail 121 improves the structure of the fixing device 10 , and the third slide rail 121 improves the flexibility of movement of the second positioning assembly 12 .

[0067] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The second positioning assembly 12 includes a second support, a second positioning member 122 and a second position detection member 16. The second support is slidably connected to the third slide rail 121. The second positioning member 122 and the second position detection member 16 are both connected to the second support. The second positioning member 122 is suitable for positioning the workpiece. The second position detection member 16 is suitable for detecting the position of the second positioning portion of the workpiece relative to the second positioning member 122. The second positioning member 122 is suitable for connecting with the second positioning portion to achieve positioning.

[0068] Optionally, the second position detection member 16 is spaced apart from the second positioning member 122 , and the second position detection member 16 is suitable for detecting the position of the workpiece. Optionally, the second positioning member 122 includes a second body 1221 and a second extension portion 1222 .

[0069] Optionally, the structure of the second positioning assembly 12 is the same as that of the first positioning assembly 11. Optionally, the second position detection member 16 is a proximity switch for detecting whether the workpiece is in place. When the proximity switch has no signal, the fixing device 10 does not act.

[0070] Optionally, the first positioning member 113 is a first detent cylinder; and / or the second positioning member 122 is a second detent cylinder.

[0071] Optionally, by calculating and adjusting the clamping force of the first detent cylinder and the second detent cylinder, the first detent cylinder and the second detent cylinder can have a positioning function, which provides more space for the flexible design of the fixing device 10.

[0072] Optionally, the cross-section of the first extension portion 1132 may be in the shape of a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-section of the first extension portion 1132 may be in the shape of, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc. Optionally, the cross-section of the second extension portion 1222 may be in the shape of, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc. Optionally, the cross-section of the second extension portion 1222 may be in the shape of, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc.

[0073] Specifically, the second positioning assembly 12 improves the structure of the fixing device 10 and enhances the stability of the workpiece fixation.

[0074] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3The clamping assembly 13 includes a clamping support 131, a driving member and a clamping member. The clamping support 131 is connected to the connecting frame 14 and the driving member. The driving member is connected to the clamping member to drive the clamping member to move. The clamping member is suitable for clamping a workpiece.

[0075] Optionally, the clamping support 131 is installed on the connecting plate 132, the cylinder body of the first sub-driving member 133 is installed on the support 131 through a rotating shaft, and the piston rod of the first sub-driving member 133 is installed on the connecting plate 132 through a rotating shaft. The connecting plate 132 and the support 131 can rotate relative to each other and are connected to each other through a rotating shaft.

[0076] Specifically, the above arrangement improves the rotation flexibility of the clamping assembly 13 .

[0077] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The clamping member includes a connecting plate 132, a pressure arm plate 135, a pressing portion 136 and a positioning plate 137. The connecting plate 132 is connected to the clamping support 131. The pressure arm plate 135 is rotationally connected to the driving member and the connecting plate 132. The pressing portion 136 is connected to the pressure arm plate 135. The positioning plate 137 is connected to the connecting plate 132.

[0078] Optionally, the cylinder of the second sub-driver 134 is connected to the connecting plate 132 via a rotating shaft, the piston ear shaft of the second sub-driver 134 is connected to the pressure arm plate 135 via a rotating shaft, the pressure arm plate 135 and the connecting plate 132 can rotate relative to each other, the clamping part 136 is connected to the pressure arm plate 135, and the positioning plate 137 is installed on the connecting plate 132. The movement mode of the clamping assembly 13 is as follows: when clamping, the piston of the first sub-driver 133 extends out of the connecting plate 132, and the connecting piece on it rotates relative to the clamping support 131, which is a primary flipping process, and then the piston rod of the second sub-driver 134 extends out, pushing the pressure arm plate 135 and the connecting piece on the pressure arm plate 135 to rotate relative to the connecting plate 132, which is a secondary flipping process. The above is the clamping mode of the clamping assembly 13, and the order is reversed when opening.

[0079] Optionally, the clamping portion 136 and the positioning plate 137 are designed to fit with the sheet metal of the vehicle body. For different vehicle models, the surface of the sheet metal is generally different. The flexible design of the fixing device 10 is achieved by switching the mechanisms of different vehicle models. For example, there are 6 rows of mounting holes on the clamping support 131. When switching different vehicle models, the corresponding mechanism is used to achieve clamping. The mechanism is a two-stage flip mechanism. The opening angle of the two-stage flip is larger and the distance from the workpiece is farther when opened to meet the different design spaces of different vehicle models.

[0080] Specifically, the above arrangement improves the rotation flexibility of the clamping assembly 13 and improves the stability of the clamping assembly 13 in fixing the workpiece.

[0081] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The clamping portion 136 includes a mounting plate and a clamping plate. One end of the mounting plate is connected to the pressure arm plate 135, and the other end is connected to the clamping plate. The clamping plate and the positioning plate 137 are arranged opposite to each other to be suitable for clamping the workpiece.

[0082] Optionally, the shape of the mounting plate may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the mounting plate may be, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc. Optionally, the shape of the pressing plate may be, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc. Optionally, the shape of the pressing plate may be, but not limited to, a quadrilateral, a hexagon, a circle, an octagon, an ellipse, an irregular shape, etc.

[0083] Specifically, the mounting plate and the clamping plate improve the structure of the clamping portion 136 so that the workpiece is clamped and fixed.

[0084] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0085] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A fixing device, characterized in that: include: A first positioning assembly adapted to move in a first direction and a second direction; a second positioning assembly, spaced apart from the first positioning assembly, the second positioning assembly being adapted to move in a third direction, any two of the first direction, the second direction and the third direction having an included angle, and the first positioning assembly and the second positioning assembly being adapted to position a workpiece; A clamping assembly is spaced apart from the first positioning assembly and the second positioning assembly, and the clamping assembly is suitable for clamping the workpiece.

2. The fixing device according to claim 1, characterized in that: The fixing device further comprises a connecting frame, and the first positioning assembly, the second positioning assembly and the clamping assembly are all connected to the connecting frame.

3. The fixing device according to claim 2, characterized in that: The fixing device also includes a first slide rail and a second slide rail, the first slide rail is connected to the connecting frame, the first slide rail extends along the first direction, the second slide rail is slidably connected to the first slide rail, the second slide rail extends along the second direction, and the first positioning assembly is slidably connected to the second slide rail.

4. The fixing device according to claim 3, characterized in that: The first positioning assembly includes a first support, a first positioning member and a first position detection member. The first support is slidably connected to the second slide rail. The first positioning member and the first position detection member are both connected to the first support. The first positioning member is suitable for positioning the workpiece. The first position detection member is suitable for detecting the position of the first positioning portion of the workpiece relative to the first positioning member. The first positioning member is suitable for connecting with the first positioning portion to achieve positioning.

5. The fixing device according to claim 4, characterized in that: The first positioning member includes a first body and a first extension portion, the first body is connected to the first support, the first extension portion is slidably connected to the first body along the third direction, and the first extension portion extends out of the first body, and the first extension portion is suitable for connecting with the first positioning portion.

6. The fixing device according to claim 5, characterized in that: The first extending portion includes a step portion and a limiting portion, one end of the step portion is connected to the first body, and the other end is connected to the limiting portion, the orthographic projection of the limiting portion in the third direction is located inside the orthographic projection of the step portion in the third direction, the first positioning portion is provided with a positioning hole, the limiting portion is suitable for extending into the positioning hole, and the step portion is suitable for abutting the workpiece.

7. The fixing device according to claim 6, characterized in that: The limiting portion includes a limiting body and a limiting protrusion, the limiting body is connected to the step portion, the limiting protrusion protrudes from the outer peripheral surface of the limiting body, the inner wall of the positioning hole is provided with a notch, and the limiting protrusion is suitable for extending into the notch.

8. The fixing device according to claim 4, characterized in that: The first position detection member includes a mounting portion and a detection portion, the mounting portion is connected to the first support, the detection portion is arranged on the mounting portion, and the detection portion is suitable for detecting the position of the first positioning portion relative to the first positioning member.

9. The fixing device according to claim 8, characterized in that: The mounting portion includes a first plate, a second plate, and a third plate connected in sequence, the first plate and the third plate are opposite to each other in the third direction, the first plate is connected to the first support, and the detection portion is disposed on the third plate.

10. The fixing device according to claim 2, characterized in that: The fixing device further comprises a third slide rail, the third slide rail is connected to the connecting frame, the third slide rail extends along the third direction, and the second positioning assembly is slidably connected to the third slide rail.

11. The fixing device according to claim 10, characterized in that: The second positioning assembly includes a second support, a second positioning member and a second position detection member. The second support is slidably connected to the third slide rail. The second positioning member and the second position detection member are both connected to the second support. The second positioning member is suitable for positioning the workpiece. The second position detection member is suitable for detecting the position of the second positioning portion of the workpiece relative to the second positioning member. The second positioning member is suitable for connecting with the second positioning portion to achieve positioning.

12. The fixing device according to claim 2, characterized in that: The clamping assembly includes a clamping support, a driving member and a clamping member. The clamping support is connected to the connecting frame and the driving member. The driving member is connected to the clamping member to drive the clamping member to move. The clamping member is suitable for clamping the workpiece.

13. The fixing device according to claim 12, characterized in that: The clamping member includes a connecting plate, a pressure arm plate, a pressing portion and a positioning plate, the connecting plate is connected to the clamping support, the pressure arm plate is rotatably connected to the driving member and the connecting plate, the pressing portion is connected to the pressure arm plate, and the positioning plate is connected to the connecting plate.

14. The fixing device according to claim 13, characterized in that: The clamping part comprises a mounting plate and a clamping plate, one end of the mounting plate is connected to the pressure arm plate, and the other end is connected to the clamping plate, and the clamping plate is arranged opposite to the positioning plate to be suitable for clamping the workpiece.

15. The fixing device according to claim 13, characterized in that: The driving member includes a first sub-driving member and a second sub-driving member connected to each other, wherein the first sub-driving member is connected to the clamping support, the second sub-driving member is connected to the connecting plate, and the second sub-driving member is rotatably connected to the pressure arm plate.

Images