SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a clamping device for a middle frame of a mobile phone, so as to solve the problems that a workpiece to be processed cannot be firmly clamped and the stress is not uniform in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the clamping device for the middle frame of the mobile phone comprises a machine table, a supporting seat connected to the machine table, first pressing assemblies arranged on two sides of the supporting seat and a second pressing assembly arranged below the supporting seat, wherein a processing station is arranged on the upper surface of the supporting seat, each pressing assembly comprises a plurality of pressing cylinders, first pressing blocks and positioning pins, the pressing cylinders are symmetrically arranged on two sides of the supporting seat in a left-right distribution mode, cylinder shafts of the pressing cylinders are arranged upwards, the positioning pins are arranged on one sides of the cylinder shafts of the pressing cylinders, the first pressing blocks are sleeved on the cylinder shafts of the pressing cylinders, and first through holes are formed in the first pressing blocks corresponding to the positioning pins.
As a preferable aspect of the present invention, two second through holes are provided in the processing station.
As a preferable scheme of the present invention, the second pressing assembly includes a rotating motor and a pressing rod, an output shaft of the rotating motor is upwardly connected to the lower surface of the supporting seat, and the output shaft of the rotating motor is connected to the pressing rod corresponding to the second through hole.
As a preferable aspect of the present invention, the top end of the pressing rod is integrally formed with a second pressing block.
As a preferable scheme of the present invention, the second pressing block is disposed in a line-shaped structure.
As a preferable aspect of the present invention, the number of the pressing cylinders is six.
As the preferred scheme of the utility model, a plurality of positioning rods are arranged on the processing station.
As a preferred scheme of the utility model, avoidance grooves are symmetrically arranged at the left and right ends of the machine table.
As the preferable scheme of the utility model, the machine table is longitudinally provided with a connecting screw hole in a penetrating way.
According to the technical scheme, the utility model has the beneficial effects that: according to the utility model, the first pressing assembly is arranged to fix the processing workpiece on the processing station, and the pressing cylinders in the first pressing assembly are symmetrically distributed on two sides of the supporting seat, so that the pressing cylinders can uniformly press the processing workpiece on the processing station, and the two ends of the processing workpiece are uniformly stressed and fixed, thereby maintaining the flatness of the processing workpiece and improving the precision of the processing workpiece; the second pressing component is arranged to fix the processing workpiece on the processing station, and the rotating motor in the second pressing component is matched with the pressing rod, so that the processing workpiece cannot be easily separated from the processing station; the clamping device has high automation degree and simple and ingenious structure, can firmly fix the processing workpiece on the processing station, and ensures the flatness of the processing workpiece because the processing workpiece can be uniformly stressed.
Detailed Description
Referring to fig. 1 to 2, in an optional embodiment, the clamping device for a middle frame of a mobile phone includes a machine table 1, a supporting base 2 connected to the machine table 1, first pressing assemblies 3 disposed on two sides of the supporting base 2, and a second pressing assembly 4 disposed below the supporting base 2, a processing station 5 is disposed on an upper surface of the supporting base 2, the first pressing assemblies include a plurality of pressing cylinders 30, first pressing blocks 31, and positioning pins 32, the pressing cylinders 30 are symmetrically disposed on two sides of the supporting base 2 in a left-right distribution manner, cylinder axes of the pressing cylinders 30 are disposed upward, the positioning pins 32 are disposed on one sides of the cylinder axes of the pressing cylinders 30, the first pressing blocks 31 are sleeved on the cylinder axes of the pressing cylinders 30, and first through holes 33 are disposed on the first pressing blocks 31 corresponding to the positioning pins 32.
In the clamping device of this embodiment, the downward protrusion of first compact heap 31 one end is formed with the protrusion connecting portion, the clamping portion is extended to first compact heap 31 other end level, vertically run through in the protrusion connecting portion and be provided with first through-hole, the cylinder shaft of hold-down cylinder 30 passes first through-hole and fixes in the middle of first through-hole from down up, hold-down cylinder 30 cylinder shaft is fixed and is adopted conventional screw fixation mode in first through-hole, with cylinder shaft and first compact heap 31 fixed connection for hold-down cylinder 30, and then drive first compact heap 31 reciprocates, make first compact heap 31 compress tightly the processing work piece or first compact heap 31 unclamps from the processing work piece surface.
On the other hand, the first through hole 33 penetrates through the middle of the first pressing block 31, the first through hole 33 is formed by aligning with the positioning pin 32 on the pressing cylinder 30, the first pressing block 31 can move up and down along the positioning pin 32, the moving process of the first pressing block 31 is controlled by the positioning pin 32, the first pressing block 31 can move up and down accurately, and deviation cannot occur.
In addition, the pressing portion of the first pressing block 31 extends above the processing station 5 for pressing the processing workpiece.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, two second through holes 50 are provided on the processing station 5.
In the clamping device of this embodiment, the two second through holes 50 are for the tightening rod on the rotating electrical machine to pass through, and the shapes of the second through holes 50 are similar to the shape of the tightening rod and are both in a straight line shape; by providing the second through hole 50, the clamping bar can pass through the second through hole 50, and the position of the second through hole 50 corresponds to the position of the hole for processing the workpiece, so that the clamping bar can pass through the hole of the processing station 5.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, the second pressing assembly 4 includes a rotating motor 40 and a pressing rod 41, an output shaft of the rotating motor 40 is upwardly connected to a lower surface of the supporting base 2, and an output shaft of the rotating motor 40 is connected to the pressing rod 41 corresponding to the second through hole 50.
In the clamping device of this embodiment, when placing the processing workpiece on the processing station 5, the hole site of the processing workpiece is aligned with the pressing rod 41 and placed on the processing station 5, at this time, the pressing rod 41 extends out from the hole site of the processing workpiece, when the rotating electrical machine 40 is started, the output shaft of the rotating electrical machine 40 starts to rotate and drives the pressing rod 41 to rotate, the second pressing block on the pressing rod 41 rotates 90 °, so that the direction of the second pressing block is changed, and the second pressing block presses the processing workpiece. By providing the rotating motor 40 and the pressing rod 41, the middle of the work piece is fixed, the work piece is prevented from easily separating from the processing station 5, and the connecting stability and fixing efficiency of the clamping device are further increased.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, a second pressing block 410 is integrally formed at the top end of the pressing rod 41.
In the clamping device of this embodiment, the second pressing block 410 is used for pressing the middle of the workpiece to be processed, so as to improve the firmness of the clamping device.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, the second pressing block 410 is arranged in a straight-line structure.
In the clamping device of this embodiment, the second pressing block 410 is in a straight-line structure, and when the rotating motor 40 drives the second pressing block 410, the direction of the second pressing block 410 changes, and the upper surface of the workpiece to be machined can be pressed, so that the workpiece to be machined cannot easily come off from the machining station 5.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, the number of the pressing cylinders 30 is six.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for the middle frame of the mobile phone, a plurality of positioning rods 51 are arranged on the processing station 5.
In the clamping device of this embodiment, the positioning rod 51 functions to accurately place the work piece in the machining station 5, so that the work piece is not misdirected, and the accuracy of the clamping device is further improved.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, avoidance grooves 10 are symmetrically formed at two ends of a machine table 1.
In the clamping device of the embodiment, the avoiding groove 10 is arranged for being matched and connected with the external connecting mechanism, so that the connection between the clamping device and the external connecting mechanism is tighter, and the connection stability of the clamping device is improved.
Referring to fig. 1 to 2, in another alternative embodiment of the clamping device for a middle frame of a mobile phone, a connecting screw hole 11 is longitudinally arranged on the machine platform 1 in a penetrating manner.
In the clamping device of this embodiment, the position of the machine base 1 is fixed by fixing through the connection screw hole 11.
According to the utility model, the first pressing assembly 3 is arranged to fix the processing workpiece on the processing station 5, the pressing cylinders 30 in the first pressing assembly 3 are symmetrically arranged on two sides of the supporting seat 2, and the pressing cylinders 30 can uniformly press the processing workpiece on the processing station 5, so that two ends of the processing workpiece are uniformly stressed and fixed, and the flatness of the processing workpiece is further kept and the precision of the processing workpiece is improved; the second pressing component 4 is arranged to fix the processing workpiece on the processing station 5, and the rotating motor 40 in the second pressing component 4 is matched with the pressing rod 41, so that the processing workpiece cannot be easily separated from the processing station 5; the clamping device has high automation degree and simple and ingenious structure, can firmly fix the processing workpiece on the processing station 5, and ensures the flatness of the processing workpiece due to uniform stress of the processing workpiece.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.