CN109590783B - A CNC fixture machine - Google Patents

Abstract

The invention provides a CNC fixture machine for processing mobile phone casings. The CNC fixture machine comprises a frame and a fixture mounting plate arranged on the frame. A clamp assembly, the clamp assembly includes a clamp cover plate for locking the product to be processed; the frame is also provided with a cover plate placing plate for placing the clamp cover plate when disassembling and assembling the workpiece to be processed, and the cover A board placement board is located in front of or to the side of the jig mounting board. The CNC fixture table of the invention is provided with a cover plate placement plate, which can facilitate the disassembly and assembly of the fixture cover plate when clamping the workpiece to be processed, without placing the fixture cover plate far away from the machine table, improving processing efficiency and saving energy labor costs.

Description

A CNC fixture machine

technical field

The invention relates to the technical field of machining, in particular to a CNC fixture machine.

Background technique

When CNC machine tools process mobile phone casings, such as the middle case and the outer shell, there is a fixture cover. After fixing the workpiece to be processed on the fixture cover, fix the fixture cover and the workpiece to be processed on the fixture together, and then Perform machining operations.

When the existing CNC machine tool clamps the product, the fixture cover needs to be removed and placed far away from the machine tool, which not only wastes manpower and time, but also has low work efficiency, and also makes the remaining cutting on the fixture cover. The droplets on the floor next to the machine will pollute the environment, and easily cause the floor to be slippery and cause safety accidents such as people to fall. In addition, placing the fixture cover far away from the machine tool is likely to cause scratches and damage to the fixture cover during transportation.

In addition, the positioning accuracy of the workpiece to be processed by the existing CNC machine tool is poor, resulting in increased processing errors.

Therefore, the existing technology still needs to be improved and developed.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a CNC fixture machine, which aims to solve the problem that the location of the fixture cover is far away during CNC machining in the prior art, resulting in low machining efficiency.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is as follows:

A CNC jig machine, which includes a frame and a jig mounting plate arranged on the frame, the jig installation plate is mounted with a jig assembly for fixing a workpiece to be processed, and the jig assembly includes a clamping device for locking The fixture cover plate of the product to be processed; the frame is also provided with a cover plate placement plate for placing the fixture cover plate when disassembling and assembling the workpiece to be processed, and the cover plate placement plate is located in front of or on the side of the fixture installation plate square.

Further, the upper end surface of the clamp mounting plate is higher than the upper end surface of the cover plate placement plate by a predetermined distance.

Further, the cover plate placement plate is provided with an auxiliary fixture for placing and positioning the fixture cover plate when disassembling and assembling the workpiece to be processed.

Further, a positioning block for positioning the cover plate of the clamp is integrally formed on the auxiliary clamp.

Further, a locking buckle for locking the workpiece to be processed is provided on the fixture cover.

Further, a fixture mounting through hole is provided in the middle of the fixture mounting plate, and the fixture assembly further includes a lifting cylinder fixed to the bottom of the fixture mounting plate and located below the fixture mounting through hole, and a lifting cylinder connected to the fixture mounting hole. The movable end of the lifting cylinder is connected to and embedded in the fixture installation through hole, and can be raised and lowered in the fixture installation through hole under the driving of the lifting cylinder.

Further, a workpiece positioning pin for positioning the workpiece to be processed is provided on the bottom plate of the fixture.

Further, the clamp assembly further includes a clamp fixing mechanism disposed on the clamp mounting plate and located at both ends of the clamp bottom plate.

Further, the fixture fixing mechanism includes a cylinder fixed on the fixture mounting plate, and a press head fixed on the movable end of the cylinder.

Further, the clamp assembly further includes a cover plate positioning pin disposed on the clamp mounting plate and between the end of the clamp bottom plate and the clamp fixing mechanism and used for positioning the clamp cover plate.

The invention discloses a CNC fixture machine. The CNC fixture machine comprises a frame and a fixture mounting plate arranged on the frame. A fixture assembly for fixing a workpiece to be processed is mounted on the fixture mounting plate. The fixture assembly includes a fixture cover plate for locking the product to be processed; the frame is also provided with a cover plate placement plate for placing the fixture cover plate when disassembling and assembling the workpiece to be processed, and the cover plate is placed The plate is located in front of or to the side of the clamp mounting plate. The CNC fixture table of the invention is provided with a cover plate placement plate, which can facilitate the disassembly and assembly of the fixture cover plate when clamping the workpiece to be processed, without placing the fixture cover plate far away from the machine table, improving processing efficiency and saving energy labor costs.

Description of drawings

The drawings described here are used to provide further understanding of the application, and constitute a part of the application. The embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation of the application. In the attached image:

FIG. 1 is a schematic structural diagram of an embodiment of a CNC fixture machine according to the present invention.

FIG. 2 is a schematic diagram of the structure of the clamp cover placed on the cover placement plate in FIG. 1 .

FIG. 3 is a schematic diagram of an exploded structure of the embodiment of the CNC fixture machine in FIG. 2 .

FIG. 4 is a schematic structural diagram of an embodiment of a clamp cover plate of the present invention.

Detailed ways

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve technical effects in the present application.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inside", " The orientation or positional relationship indicated by “outside” and the like is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

The CNC fixture machine of the present invention is mainly used for processing mobile phone casings, such as middle casings or outer casings. 1 is a schematic structural diagram of an embodiment of a CNC fixture machine of the present invention. As shown in FIG. 1 , the CNC fixture machine 1 of the present invention includes a frame 10, a fixture mounting plate 20, a fixture assembly 30 and a cover plate placement plate 40. The fixture assembly 30 includes a clamp cover 31 . The fixture mounting plate 20 and the cover plate placing plate 40 are horizontally installed on the frame 10 . The fixture mounting plate 20 is used to install the fixture assembly 30 . When machining workpieces, the workpiece to be processed is fixed on the fixture assembly 30 to be processed. The fixture assembly 30 includes a fixture cover 31. Before processing the workpiece, the fixture cover 31 is removed from the fixture assembly 30, the workpiece to be processed is locked and fixed on the fixture cover 31, and then the fixture cover 31 and the to-be-processed are locked. The workpieces are assembled together on the fixture assembly 30, fixed and then processed. The cover plate placement plate 40 is located in front of or on the side of the fixture mounting plate 20 , and the clamp cover plate 31 can be placed on the cover plate placement plate 40 after the fixture cover plate 31 is removed.

After the existing CNC fixture machine 1 disassembles the fixture cover 31 from the fixture assembly, the fixture cover 31 needs to be placed in a very far place, resulting in low work efficiency, large environmental pollution, and easy occurrence of safety accidents. A series of problems, such as the easy damage of the clamp cover 31, are described in the background art. In the present invention, a cover plate placement plate 40 for placing the clamp cover plate 31 is directly disposed on the frame 10 where the CNC clamp machine table 1 is disposed, and the clamp cover plate 31 is disassembled from the clamp assembly 30 and directly placed next to the clamp assembly 30 The cover plate can be placed on the plate 40 without moving it to a far place to place it, which can avoid the disadvantages caused by moving the clamp cover plate 31 to a far place in the prior art.

The cover plate placement plate 40 can be located in front of or on the side of the fixture mounting plate 20, as long as it is not at the rear, because the operator generally faces the fixture assembly on the fixture mounting plate 20 to install or remove the workpiece to be processed, and when operating, place the fixture. It is convenient to place the cover 31 in front of or on the side of the operator, and it is easier to operate. If the clamp cover 31 is to be placed behind the clamp assembly 30, it is inconvenient to operate and takes time. Preferably, the cover plate placement plate 40 is located in front of the clamp mounting plate 20 as shown in FIG. 1 .

Please continue to refer to FIG. 1 , preferably, the upper end surface of the fixture mounting plate 20 is higher than the upper end surface of the cover plate placing plate 40 by a certain distance, the operator stands in front of the frame 10 during operation, and the cover plate is placed in front of the operator. plate 40, and a little further ahead is the clamp mounting plate 20, either when the operator takes the clamp cover 31 from the clamp mounting plate 20 and places it on the cover placement plate 40, or when the clamp cover is removed from the cover placement plate 40. 31 Reinstall the clamp mounting plate 20. The cover plate placement plate 40 is lower than the clamp mounting plate 20, which is more convenient to operate, and does not form an obstacle between the operator and the clamp mounting plate 20 because the cover plate placement plate 40 is too high. Preferably, the upper end surface of the clamp mounting plate 20 is higher than the upper end surface of the cover plate placing plate 40 by 0.5 cm (centimeter) to 2 cm.

As shown in FIG. 1 , in order to better position and support the clamp cover 31 when the clamp cover 31 is placed on the cover placement plate 40 , an auxiliary clamp 41 can be provided on the cover placement plate 40 , and the clamp cover 31 can be placed on the auxiliary fixture 41 after being removed. The auxiliary fixture 41 is integrally formed with a positioning block 411 for positioning the cover plate 31 of the fixture. There are multiple positioning blocks 411. Preferably, as shown in FIG. 1, the positioning blocks 411 are distributed around the auxiliary fixture 41, so that the The four sides of the fixture cover 31 are positioned at the same time, which prevents the fixture cover 31 from moving on the auxiliary fixture 41 and facilitates fixing the workpiece to be processed on the fixture cover 31 . The positioning effect of the clamp cover 31 in the auxiliary clamp 41 can be seen in FIG. 2 .

FIG. 4 is a schematic structural diagram of an embodiment of the cover plate of the fixture according to the present invention. The cover plate 31 of the fixture is provided with a locking buckle 311 for locking the workpiece to be processed. As shown in FIG. 4 , there may be two locking buckles 311 , which are arranged on both sides of the fixture cover 31 , so that after the workpiece to be processed is mounted on the fixture cover, both sides of the workpiece to be processed can be fixed. The locking buckle 311 includes a base 312 and a locking pin 313 , the base 312 can be integrally formed on the fixture cover 31 , and the locking buckle 311 is fixed on the base 312 by screws, so that the locking pin 313 can be provided with a certain amount by the base 312 . Since the workpiece to be processed has a certain thickness, the locking pin 313 needs a certain height to fix the workpiece to be processed.

When the workpiece to be processed is mounted on the fixture cover 31, the screw fixing the lock pin 313 on the base 312 can be removed first, the lock pin 313 can be removed, and after the workpiece to be processed is loaded, the lock pin 313 can be fixed by screws. The workpiece to be processed can be fixed on the base 312 . It can be understood that, the locking pin 313 can also be installed on the base 312 in other detachable ways.

FIG. 3 is a schematic diagram of the exploded structure of the embodiment of the CNC fixture machine in FIG. 2 . As shown in FIG. 3 , the fixture assembly 30 further includes a lifting cylinder 32 and a fixture bottom plate 33 . The fixture mounting plate 20 is provided with a fixture mounting through hole 21 in the middle position, the lifting cylinder 32 is fixedly connected to the bottom of the fixture mounting plate 20, and the lifting cylinder 32 is located just below the mounting through hole 21, so that the lifting cylinder 32 can push the fixture bottom plate 33 It ascends or descends inside the mounting through hole 21 . The movable end of the lift cylinder 32 is connected to the fixture bottom plate 33 , and the fixture bottom plate 33 is embedded in the fixture mounting through hole 21 .

The function of the fixture bottom plate 33 is to combine with the fixture cover plate 31 to locate the workpiece to be processed, and the to-be-processed workpiece is installed between the fixture bottom plate 33 and the fixture cover plate 31 . As shown in FIG. 1 , the fixture cover 31 is assembled on the fixture assembly 30 , and the workpiece to be processed is fixed on the bottom of the fixture cover 31 shown in FIG. 1 . When the fixture cover 31 is removed and placed on the cover placing plate 40, as shown in FIG. Then, they are assembled together on the clamp assembly 30 , that is, the clamp cover 31 is removed from the clamp assembly 30 , and then turned over and placed on the cover placement plate 40 .

Please refer to FIG. 3 , before installing the workpiece to be processed, the movable end of the lifting cylinder 32 is in a retracted state, the fixture bottom plate 33 is lowered, and the fixture cover plate 31 is clamped and the workpiece to be processed is placed on the fixture mounting plate 20 , and then control the lifting cylinder The movable end of 32 rises, and the bottom plate 33 of the fixture is lifted upward, and the workpiece to be processed at the bottom of the cover plate 31 is pressed, so that the workpiece to be processed can be limited and fixed by the bottom plate 33 and the cover plate 31 of the fixture.

As shown in FIG. 4 , the fixture cover plate 31 is provided with a number of machining holes 314 . The machining holes 314 correspond to the positions and sizes of the workpieces to be machined. The machining tools can align the fixture cover from these machining holes 314 . The workpiece to be processed at the bottom of the plate 31 is processed.

Please refer to FIG. 3 , the fixture bottom plate 33 is provided with a workpiece positioning pin 331 for positioning the workpiece to be processed, and corresponding positioning holes are also provided on the workpiece to be processed corresponding to the workpiece positioning pin 331 , so that the fixture bottom plate 33 moves upward to withstand the to-be-processed workpiece. When machining the workpiece, the workpiece to be machined can be positioned by the workpiece positioning pin 331 to avoid the workpiece to be machined from moving between the fixture bottom plate 33 and the fixture cover plate 31 . Preferably, the workpiece positioning pin 331 penetrates the workpiece to be processed and penetrates into the fixture cover plate 31, so that the fixture bottom plate 33, the workpiece to be processed and the fixture cover plate 31 can be fixed into a module for integral positioning.

Please refer to FIG. 3 , the fixture assembly 30 further includes a fixture fixing mechanism 34 , the fixture fixing mechanism 34 is disposed on the fixture mounting plate 20 , and the fixture fixing mechanism 34 is located at both ends of the fixture bottom plate 33 , so that when the fixture cover plate 31 is fixed to the workpiece to be processed After being clamped with the clamp bottom plate 33 , it can be positioned by the fixing mechanism 34 .

The clamp fixing mechanism 34 includes a cylinder 341 and a pressure head 342. The cylinder 341 is fixed on the clamp mounting plate 20, and the pressure head 342 is fixed at the movable end of the cylinder 341. The pressure head 342 is driven by the cylinder 341 to move to realize the pressing and Release the clamp cover 31. The cylinder 341 can be a lift cylinder or a rotary lift cylinder. The movable end of the rotary lift cylinder can rotate and lift at the same time, which can be used as an ideal type of cylinder for driving the ram 342 . The cylinder 341 can be disposed at the bottom of the fixture mounting plate 20 , and its movable end passes through the fixture mounting plate 20 to connect to the press head 342 , which can reduce the height of the top of the press head 342 and facilitate fixing the fixture cover 31 .

Referring to FIG. 3 , the clamp assembly 30 further includes a cover plate positioning pin 35 , and the cover plate positioning pin 35 can position the clamp cover plate 31 when the clamp cover plate 31 is installed on the clamp mounting plate 20 . As shown in FIG. 3 , the positioning pins 35 are disposed on the fixture mounting plate 20 between the end of the fixture bottom plate 33 and the fixture fixing mechanism 34 , that is to say, the positioning pins 35 are located at the left and right ends of the fixture bottom plate 33 as shown in FIG. 3 . Of course, the positioning pins 35 can also be located at the front and rear ends of the fixture bottom plate 33 , which is not limited, and only need to provide latch holes at the corresponding positions of the fixture cover plate 31 to match. Preferably, a support block 351 for supporting the clamp cover plate 31 is provided below the positioning pin 35 .

Please refer to Fig. 3, the clamping process of the CNC fixture machine of the embodiment of the present invention is:

The clamp cover 31 is placed on the auxiliary clamp 41 with the bottom facing up before clamping;

Fix the workpiece to be processed on the bottom of the fixture cover 31;

Turn over the fixture cover 31 containing the workpiece to be processed and place it on the fixture mounting plate 20, and position the fixture cover 31 through the positioning pins 35;

Control the lift cylinder 32 to rise, and drive the fixture bottom plate 33 to stand up against the workpiece to be processed;

The movement of the control cylinder 341 drives the pressing head 342 to fix the clamp cover plate 31, that is, the clamping of the CNC clamp machine according to the embodiment of the present invention is completed.

In summary, the present invention discloses a CNC fixture machine, the CNC fixture machine comprises a frame and a fixture mounting plate arranged on the frame, the fixture mounting plate is mounted with a workpiece for fixing the workpiece to be processed The clamp assembly includes a clamp cover plate for locking the product to be processed; the frame is also provided with a cover plate placement plate for placing the clamp cover plate when disassembling and assembling the workpiece to be processed, And the cover plate placement plate is located in front of or at the side of the clamp mounting plate. The CNC fixture table of the invention is provided with a cover plate placement plate, which can facilitate the disassembly and assembly of the fixture cover plate when clamping the workpiece to be processed, without placing the fixture cover plate far away from the machine table, improving processing efficiency and saving energy labor costs.

It should be understood that the application of the present invention is not limited to the above examples. For those of ordinary skill in the art, improvements or transformations can be made according to the above descriptions, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (2)

1. a CNC fixture machine, it is characterized in that, comprise rack and the fixture mounting plate that is arranged on this rack, and described fixture mounting plate is installed with the fixture assembly that is used to fix workpiece to be processed; A fixture mounting through hole is provided in the middle of the fixture mounting plate, and the fixture assembly includes a lifting cylinder fixed to the bottom of the fixture mounting plate and located below the fixture mounting through hole, and a movable cylinder connected to the lifting cylinder. A clamp bottom plate is connected to the end and embedded in the fixture installation through hole, and can be raised and lowered in the fixture installation through hole under the driving of the lifting cylinder; the fixture bottom plate is provided with a workpiece for positioning the workpiece to be processed. The workpiece positioning pin, the workpiece to be processed is provided with a positioning hole corresponding to the workpiece positioning pin; the clamp assembly is provided with a clamp cover for locking the workpiece to be processed, and the clamp cover is provided with a There are two locking buckles for locking the workpiece to be processed, and the locking buckles are arranged on both sides of the fixture cover plate opposite to each other; the combination of the fixture bottom plate and the fixture cover plate is used to locate and fix the workpiece to be processed; The clamp assembly further includes a clamp fixing mechanism arranged on the clamp mounting plate and located at both ends of the clamp base plate, the clamp fixing mechanism includes a cylinder fixed on the clamp mounting plate, and a cylinder fixed on the cylinder. The indenter at the movable end, the air cylinder is used to drive the indenter to move, so as to compress and release the clamp cover; the clamp assembly further includes a clamp mounted on the clamp mounting plate and located at the end of the clamp bottom plate a cover plate positioning pin between the part and the clamp fixing mechanism and used for positioning the clamp cover plate, the clamp cover plate is provided with a latch hole corresponding to the cover plate positioning pin; The fixture cover is provided with a number of machining holes, the machining holes correspond to the position and size of the workpiece to be machined, and the machining tools pass through the machining holes to the to-be-machined bottom of the fixture cover. workpiece for processing; The frame is also provided with a cover plate placing plate for placing the fixture cover plate when disassembling and assembling the workpiece to be processed, and the cover plate placing plate is located in front of or on the side of the fixture mounting plate; the cover An auxiliary fixture for placing and positioning the fixture cover when disassembling and assembling the workpiece to be processed is provided on the board placement board, and a positioning block for positioning the fixture cover is integrally formed on the auxiliary fixture; the positioning block There are several, which are distributed around the auxiliary fixture. 2 . The CNC fixture machine according to claim 1 , wherein the upper end surface of the fixture mounting plate is higher than the upper end surface of the cover plate placement plate by a predetermined distance. 3 .

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