Disclosure of Invention
In view of the above, it is desirable to provide a fixing device with simple structure and convenient operation.
A fixing device comprises a first fixing seat, a second fixing seat and a connecting mechanism, wherein the first fixing seat and the second fixing seat are used for clamping workpieces, and the connecting mechanism is used for locking the first fixing seat and the second fixing seat.
Further, coupling mechanism includes rotating member, connecting block and trip, the trip is located on the first fixing base, the rotating member rotationally locates on the second fixing base, locating connecting block slidable on the second fixing base and with the rotating member is connected, the rotating member is used for driving the connecting block slides, the connecting block is used for stretching into in the trip in order to lock first fixing base and second fixing base.
Furthermore, the connecting mechanism further comprises a first elastic piece, two ends of the first elastic piece respectively abut against the connecting block and the second fixing seat so that the connecting block extends into the clamping hook to lock the first fixing seat and the second fixing seat, and the rotating piece rotates to drive the connecting block to slide away from the clamping hook so that the first fixing seat is separated from the second fixing seat.
Furthermore, the second fixing seat comprises a body, a pressing rod and a second elastic piece, and two ends of the second elastic piece respectively press the body and the pressing rod, so that the pressing rod presses the workpiece.
Further, the rotating part includes pivot, rotatory piece and actuating lever, the pivot is rotationally worn to locate the second fixing base, rotatory piece with the actuating lever is connected respectively the both ends of pivot, rotatory piece is connected the connecting block, the actuating lever is used for the drive the pivot is rotated, the pivot is used for the drive rotatory piece rotates, rotatory piece is used for the drive the connecting block slides.
Further, the rotating block comprises a plurality of first positioning holes, the connecting block comprises a plurality of second positioning holes, and the rotating block is connected with one of the second positioning holes of the connecting block through one of the first positioning holes.
Further, the rotating block comprises a main body part and a protruding part, the main body part is circular, the protruding part is located on the outer peripheral face of the main body part, the main body part is connected with the rotating shaft, the protruding part is connected with the connecting block, and the first positioning holes are formed in the protruding part in a plurality.
Further, the rotating shaft comprises a limiting block, the main body part comprises a plurality of limiting holes, and the rotating shaft is connected with one or more limiting holes of the main body part through the limiting block.
Further, the second fixing seat further comprises a handle, and the handle is used for stopping the driving rod to limit the rotation angle of the rotating block.
Further, the first fixing seat comprises a positioning plate, a sheath and a mounting plate, the positioning plate is used for supporting and positioning the workpiece, the sheath is used for shielding a partial area of the workpiece, and the mounting plate is used for connecting a manipulator.
The fixing device locks or releases the first fixing seat and the second fixing seat through the connecting mechanism. The fixing device is simple in structure and convenient to operate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, a fixing device 100 according to a preferred embodiment of the present invention is used for clamping a workpiece 200. In the illustrated embodiment, the workpiece 200 is a cell phone bezel, but is not so limited.
Referring to fig. 2, 5 and 6, the fixing device 100 includes a first fixing base 10, a second fixing base 30 and a connecting mechanism 50. The first fixing seat 10 and the second fixing seat 30 are used for clamping a workpiece 200. The connecting mechanism 50 is used for locking the first fixing seat 10 and the second fixing seat 30.
Referring to fig. 2, 5 and 6, the connecting mechanism 50 includes a rotating member 51, a connecting block 53 and a hook 55. The hook 55 is disposed on the first fixing base 10. The rotating member 51 is rotatably disposed on the second fixing base 30. The connecting block 53 is slidably disposed on the second fixing base 30 and connected to the rotating member 51. The rotating member 51 is used for driving the connecting block 53 to slide. The connecting block 53 is used for extending into the hook 55 to lock the first fixing seat 10 and the second fixing seat 30.
The hook 55 is provided with a locking groove 550 to receive one end of the connection block 53.
In the illustrated embodiment, the number of the hooks 55 and the number of the connection blocks 53 are two, but the invention is not limited thereto, and in other embodiments, the number of the hooks 55 and the number of the connection blocks 53 may be one or more as needed.
Referring to fig. 6, in the illustrated embodiment, the connecting mechanism 50 further includes a first elastic member 57. The two ends of the first elastic member 57 respectively press against the connecting block 53 and the second fixing seat 30, so that the connecting block 53 extends into the hook 55 to lock the first fixing seat 10 and the second fixing seat 30. The rotating member 51 rotates to drive the connecting block 53 to slide away from the hook 55, so that the first fixing seat 10 is separated from the second fixing seat 30.
Referring to fig. 3 and 5, in the illustrated embodiment, the second fixing base 30 includes a body 31, a pressing rod 37 and a second elastic member (not shown). Two ends of the second elastic member respectively press against the body 31 and the pressing rod 37, so that the pressing rod 37 presses against the workpiece 200.
When the second fixing seat 30 is covered on the first fixing seat 10, the pressing rod 37 presses the workpiece 200 in advance for positioning; when the second fixing seat 30 is removed, the pressing rod 37 can still press the workpiece 200 before the second fixing seat 30 is completely separated from the workpiece 200, so as to prevent the workpiece 200 from being taken out.
In the illustrated embodiment, the body 31 is provided with a slide groove 310 to slidably receive the connecting block 53.
Referring to fig. 3 and 5, in the illustrated embodiment, the second fixing base 30 further includes a pressing plate 33. The pressing plate 33 is detachably disposed on the body 31. The pressing plate 33 is used for pressing the workpiece 200. The pressing plate 33 is provided with an escape hole 330 to escape the hook 55. When the second fixing seat 30 is covered on the first fixing seat 10, the hook 55 passes through the avoiding hole 330.
In the illustrated embodiment, the second fixing base 30 further includes a sleeve 35. The sleeve 35 is sleeved on the body 31 and used for shielding a partial area of the workpiece 200.
Referring to fig. 5 and 6, in the illustrated embodiment, the rotating member 51 includes a rotating shaft 512, a rotating block 514 and a driving rod 516. The rotating shaft 512 is rotatably disposed through the second fixing base 30. The rotating block 514 and the driving rod 516 are respectively connected to two ends of the rotating shaft 512. The rotation block 514 is connected to the connection block 53. The driving rod 516 is used for driving the rotating shaft 512 to rotate. The rotating shaft 512 is used for driving the rotating block 514 to rotate. The rotating block 514 is used for driving the connecting block 53 to slide.
In the illustrated embodiment, the rotation block 514 includes a plurality of first positioning holes 5140. The connecting block 53 includes a plurality of second positioning holes 530. The rotation block 514 is connected to one of the second positioning holes 530 of the connection block 53 through one of the first positioning holes 5140.
The protruding distance of the connecting block 53 can be adjusted to fit different workpieces 200 by aligning and connecting different first positioning holes 5140 and second positioning holes 530, without remanufacturing the parts.
In the illustrated embodiment, the rotation block 514 includes a body 5141 and a protrusion 5143. The body portion 5141 has a circular shape. The protrusion 5143 is located on the outer circumferential surface of the body 5141. The body portion 5141 is connected to the rotating shaft 512. The protrusion 5143 is connected to the connection block 53. A plurality of the first positioning holes 5140 is provided on the protrusion 5143.
In the illustrated embodiment, the shaft 512 includes a stop block 5121. The body portion 5141 includes a plurality of limiting holes 5104. The rotating shaft 512 is connected with one or more of the limiting holes 5104 of the main body 5141 through the limiting block 5121.
By aligning the different limiting holes 5104 with the limiting blocks 5121, the angle of the protrusion 5143 can be adjusted to fit the connection block 53.
In the illustrated embodiment, the second holder 30 further includes a handle 39. The handle 39 is used for stopping the driving rod 516 to limit the rotation angle of the rotation block 514.
Referring to fig. 2 and 4, in the illustrated embodiment, the first fixing seat 10 includes a positioning plate 11, a sheath 13 and a mounting plate 17. The positioning plate 11 is used for supporting and positioning the workpiece 200. The sheath 13 is used to shield a partial region of the workpiece 200. The mounting plate 17 is used for attachment of a robot (not shown).
In the illustrated embodiment, the first fixing seat 10 further includes a positioning rod 15. The positioning rod 15 is disposed on the positioning plate 11 and used for positioning the workpiece 200.
The fixture 100, in use: the workpiece 200 is placed on the first holder 10. Then, the rotary member 51 is rotated to contract the connection block 53. Then, the second fixing seat 30 is placed on the workpiece 200, the rotating member 51 is released, and the first elastic member 57 drives the connecting block 53 to extend into the slot 550 for fixing. After the machining is completed, the rotating member 51 is rotated to contract the connecting block 53, and the second fixing seat 30 and the workpiece 200 are taken out.
The fixing device 100 locks or releases the first holder 10 and the second holder 30 through the connection mechanism 50. The fixing device 100 has a simple structure and is convenient to operate.
Further, when the fixing device 100 is used for clamping workpieces with different specifications, only the positioning plate 11, the sheath 13, the pressing plate 33, the sleeve body 35 and other elements need to be replaced; the protruding distance of the connecting block 53 can be adjusted to fit different workpieces 200 by aligning and connecting different first positioning holes 5140 and second positioning holes 530, without remanufacturing the parts.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.