CN109590783B

CN109590783B - CNC anchor clamps board

Info

Publication number: CN109590783B
Application number: CN201811494535.3A
Authority: CN
Inventors: 华峰; 黄喜明; 黄雷; 王磊
Original assignee: Dongguan Chitwing Technology Co Ltd
Current assignee: Jieyao Precision Hardware (Shenzhen) Co.,Ltd.
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2020-07-07
Anticipated expiration: 2038-12-07
Also published as: CN109590783A

Abstract

The invention provides a CNC fixture machine table which is used for machining a mobile phone shell and comprises a rack and a fixture mounting plate arranged on the rack, wherein a fixture assembly used for fixing a workpiece to be machined is mounted on the fixture mounting plate, and the fixture assembly comprises a fixture cover plate used for locking a product to be machined; the rack is also provided with a cover plate placing plate for placing the clamp cover plate when the workpiece to be processed is disassembled and assembled, and the cover plate placing plate is positioned in front of or on the side of the clamp mounting plate. The cover plate placing plate is arranged on the CNC clamp machine table, so that the clamp cover plate can be conveniently disassembled and assembled when a workpiece to be machined is clamped, the clamp cover plate does not need to be placed at a place far away from the machine table, machining efficiency is improved, and labor cost is saved.

Description

CNC anchor clamps board

Technical Field

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

Background

The CNC machine has a jig cover plate when processing a mobile phone case such as a middle case and a housing, fixes a workpiece to be processed on the jig cover plate, fixes the jig cover plate and the workpiece to be processed together on the jig, and then performs a processing operation.

The existing CNC machine tool is required to be placed in a place far away from the machine tool after the clamp cover plate is detached when a product is clamped, so that manpower and time are wasted, the working efficiency is not high, cutting liquid remained on the clamp cover plate is dripped on a floor beside the machine tool, the environment is polluted, the floor is wet and slippery, and safety accidents such as falling down of personnel are caused easily. In addition, the clamp cover plate is easily scratched in the process of carrying when being placed at a place far away from the machine tool, and the clamp cover plate is damaged.

In addition, the existing fixture for installing the workpiece to be machined on the CNC machine tool has poor positioning precision on a product, so that the machining error is increased.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a CNC fixture machine table, which aims to solve the problem of low machining efficiency caused by a long placing place of a fixture cover plate during CNC machining in the prior art.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a CNC fixture machine table comprises a machine frame and a fixture mounting plate arranged on the machine frame, wherein a fixture assembly used for fixing a workpiece to be machined is mounted on the fixture mounting plate, and the fixture assembly comprises a fixture cover plate used for locking a product to be machined; the rack is also provided with a cover plate placing plate for placing the clamp cover plate when the workpiece to be processed is disassembled and assembled, and the cover plate placing plate is positioned in front of or on the side of the clamp mounting plate.

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

Furthermore, an auxiliary clamp for placing and positioning the clamp cover plate during dismounting of the workpiece to be machined is arranged on the cover plate placing plate.

Furthermore, the auxiliary clamp is integrally provided with a positioning block for positioning the clamp cover plate.

Furthermore, a locking buckle for locking the workpiece to be processed is arranged on the clamp cover plate.

Further, anchor clamps mounting panel intermediate position is provided with anchor clamps mounting hole, anchor clamps subassembly still including link firmly in anchor clamps mounting panel bottom, and be located the lift cylinder of anchor clamps mounting hole below, and with the expansion end of lift cylinder is connected and is inlayed in the anchor clamps mounting hole, and can be in under the drive of lift cylinder rise in the anchor clamps mounting hole and the anchor clamps bottom plate that descends.

Furthermore, a workpiece positioning pin for positioning the workpiece to be machined is arranged on the clamp bottom plate.

Further, the clamp assembly further comprises a clamp fixing mechanism arranged on the clamp mounting plate and located at two ends of the clamp bottom plate.

Further, anchor clamps fixed establishment including link firmly in the cylinder on the anchor clamps mounting panel, and link firmly in the pressure head of cylinder expansion end.

Further, the clamp assembly further comprises a cover plate positioning pin arranged on the clamp mounting plate and located between the end part of the clamp bottom plate and the clamp fixing mechanism and used for positioning the clamp cover plate.

The invention discloses a CNC (computer numerical control) clamp machine table, which comprises a rack and a clamp mounting plate arranged on the rack, wherein a clamp assembly used for fixing a workpiece to be machined is arranged on the clamp mounting plate, and the clamp assembly comprises a clamp cover plate used for locking a product to be machined; the rack is also provided with a cover plate placing plate for placing the clamp cover plate when the workpiece to be processed is disassembled and assembled, and the cover plate placing plate is positioned in front of or on the side of the clamp mounting plate. The cover plate placing plate is arranged on the CNC clamp machine table, so that the clamp cover plate can be conveniently disassembled and assembled when a workpiece to be machined is clamped, the clamp cover plate does not need to be placed at a place far away from the machine table, machining efficiency is improved, and labor cost is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

Fig. 2 is a schematic structural view of the cover plate of the jig of fig. 1 placed on the cover plate placing plate.

FIG. 3 is an exploded view of the CNC fixture of FIG. 2.

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

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The CNC fixture machine of the invention is mainly used for processing mobile phone shells, such as middle shells or outer shells. Fig. 1 is a schematic structural diagram of an embodiment of a CNC fixture machine 1 according to the present invention, as shown in fig. 1, the CNC fixture machine 1 according to the present invention includes a frame 10, a fixture mounting plate 20, a fixture assembly 30, and a cover plate placing plate 40, wherein the fixture assembly 30 includes a fixture cover plate 31. The clamp mounting plate 20 and the cover plate placing plate 40 are both horizontally mounted on the frame 10, the clamp mounting plate 20 is used for mounting the clamp assembly 30, and when a workpiece is machined, the workpiece to be machined is fixed on the clamp assembly 30 to be machined. The clamp assembly 30 comprises a clamp cover plate 31, before a workpiece is machined, the clamp cover plate 31 is detached from the clamp assembly 30, the workpiece to be machined is locked and fixed on the clamp cover plate 31, then the clamp cover plate 31 and the workpiece to be machined are assembled on the clamp assembly 30 together, and machining is carried out after the clamp cover plate 31 and the workpiece to be machined are fixed. The cover plate 40 is positioned in front of or at the side of the jig mounting plate 20, and the jig cover plate 31 can be placed on the cover plate 40 after being removed.

After the existing CNC fixture machine 1 detaches the fixture cover plate 31 from the fixture assembly, the fixture cover plate 31 needs to be placed at a far place, thereby causing a series of problems such as low working efficiency, large environmental pollution, easy occurrence of safety accidents, and easy damage of the fixture cover plate 31, as introduced in the background art. The cover plate placing plate 40 for placing the clamp cover plate 31 is directly arranged on the rack 10 for arranging the CNC clamp machine table 1, the clamp cover plate 31 is directly placed on the cover plate placing plate 40 beside the clamp assembly 30 after being detached from the clamp assembly 30, the clamp cover plate 31 does not need to be moved to a far place to be placed, and the defect caused by the fact that the clamp cover plate 31 is moved to a far place in the prior art can be avoided.

The cover plate placement plate 40 may be located at the front or side of the fixture mounting plate 20, as long as it is not at the rear, because the operator generally installs or removes the workpiece to be machined facing the fixture assembly on the fixture mounting plate 20, it is relatively easy to place the fixture cover plate 31 in front of or at the side of the operator, and if the fixture cover plate 31 is to be placed behind the fixture assembly 30, it is inconvenient to operate and delays time. Preferably, the cover placement plate 40 is positioned forward of the clamp mounting plate 20, as shown in FIG. 1.

Referring to fig. 1, 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 a certain distance, the operator stands in front of the rack 10 during operation, the cover plate placing plate 40 is in front of the operator, and the clamp mounting plate 20 is in front of the operator, so that the cover plate placing plate 40 is more convenient to operate than the clamp mounting plate 20, and no obstacle is formed between the operator and the clamp mounting plate 20 because the cover plate placing plate 40 is too high, no matter when the operator takes the clamp cover plate 31 from the clamp mounting plate 20 to place the clamp cover plate 40, or puts the clamp cover plate 31 back to the clamp mounting plate 20 from the cover plate placing plate 40. Preferably, the upper end surface of the jig mounting plate 20 is higher by 0.5 cm (centimeter) to 2cm than the upper end surface of the cover placing plate 40.

As shown in fig. 1, in order to facilitate better positioning and supporting of the jig cover plate 31 when the jig cover plate 31 is placed on the cover plate placing plate 40, an auxiliary jig 41 may be provided on the cover plate placing plate 40, and the jig cover plate 31 may be removed and placed on the auxiliary jig 41. The auxiliary fixture 41 is integrally provided with a plurality of positioning blocks 411 for positioning the fixture cover plate 31, preferably, as shown in fig. 1, the positioning blocks 411 are distributed around the auxiliary fixture 41, so that four sides of the fixture cover plate 31 can be simultaneously positioned, the fixture cover plate 31 is prevented from moving on the auxiliary fixture 41, and a workpiece to be machined is conveniently fixed on the fixture cover plate 31. The positioning effect of the gripper cover 31 in the auxiliary gripper 41 can be seen in fig. 2.

Fig. 4 is a schematic structural diagram of an embodiment of the cover plate of the clamp of the present invention, and the cover plate 31 of the clamp is provided with a locking buckle 311 for locking a workpiece to be processed. As shown in fig. 4, two locking buckles 311 may be provided at two opposite sides of the clamp cover plate 31, so that the two sides of the workpiece to be machined can be fixed after the workpiece to be machined is mounted on the clamp cover plate. The locking buckle 311 comprises a base 312 and a locking pin 313, the base 312 can be integrally arranged on the clamp cover plate 31, the locking buckle 311 is fixed above the base 312 through a screw, so that a certain height can be provided for the locking pin 313 through the base 312, and the locking pin 313 needs a certain height to fix the workpiece to be machined due to the fact that the workpiece to be machined has a certain thickness.

When a workpiece to be machined is installed on the clamp cover plate 31, the screw for fixing the lock pin 313 on the base 312 can be firstly detached, the lock pin 313 is detached, the workpiece to be machined is installed, and then the lock pin 313 is fixed on the base 312 through the screw, so that the workpiece to be machined can be fixed. It will be appreciated that the locking pin 313 may be removably mounted to the base 312 in other ways.

Fig. 3 is an exploded view of the CNC fixture machine of fig. 2, as shown in fig. 3, the fixture assembly 30 further includes a lifting cylinder 32 and a fixture bottom plate 33. The middle position of the clamp mounting plate 20 is provided with a clamp mounting through hole 21, the lifting cylinder 32 is fixedly connected to the bottom of the clamp mounting plate 20, and the lifting cylinder 32 is positioned right below the mounting through hole 21, so that the lifting cylinder 32 can push the clamp bottom plate 33 to ascend or descend in the mounting through hole 21. The movable end of the lifting cylinder 32 is connected with a clamp bottom plate 33, and the clamp bottom plate 33 is embedded in the clamp mounting through hole 21.

The jig base plate 33 functions in combination with the jig cover plate 31 to position the workpiece to be machined, which is mounted between the jig base plate 33 and the jig cover plate 31. The clamp cover 31 shown in fig. 1 is assembled to the clamp assembly 30, and the workpiece to be machined is fixed to the bottom of the clamp cover 31 shown in fig. 1. When the fixture cover plate 31 is detached and placed on the cover plate placing plate 40, as shown in fig. 2, the cover plate placing plate 40 is placed with its bottom facing upward, so that the workpiece to be machined is fixed on the bottom of the cover plate placing plate 40, and then assembled to the fixture assembly 30, that is, the fixture cover plate 31 is detached from the fixture assembly 30 and then placed on the cover plate placing plate 40 in an inverted state.

Referring to fig. 3, before the workpiece to be processed is mounted, the movable end of the lifting cylinder 32 is in a contracted state, the clamp bottom plate 33 is lowered, the workpiece to be processed is clamped by the clamp cover plate 31 and placed on the clamp mounting plate 20, then the movable end of the lifting cylinder 32 is controlled to be raised, the clamp bottom plate 33 is jacked upwards, the workpiece to be processed at the bottom of the clamp cover plate 31 is compressed, and thus the workpiece to be processed can be limited and fixed through the clamp bottom plate 33 and the clamp cover plate 31.

As shown in fig. 4, a plurality of processing holes 314 are provided on the clamp cover plate 31, the processing holes 314 correspond to positions and sizes of workpieces to be processed, and a processing tool can process the workpieces to be processed at the bottom of the clamp cover plate 31 from the processing holes 314.

Referring to fig. 3, the clamp bottom plate 33 is provided with a workpiece positioning pin 331 for positioning a workpiece to be machined, and a corresponding positioning hole is also provided at a position on the workpiece to be machined corresponding to the workpiece positioning pin 331, so that when the clamp bottom plate 33 moves upward to abut against the workpiece to be machined, the workpiece to be machined can be positioned by the workpiece positioning pin 331, and the workpiece to be machined is prevented from moving between the clamp bottom plate 33 and the clamp cover plate 31. Preferably, the workpiece positioning pin 331 penetrates through the workpiece to be machined and penetrates into the clamp cover plate 31, so that the clamp base plate 33, the workpiece to be machined and the clamp cover plate 31 can be fixed into a module to be integrally positioned.

Referring to fig. 3, the clamp assembly 30 further includes a clamp fixing mechanism 34, the clamp fixing mechanism 34 is disposed on the clamp mounting plate 20, and the clamp fixing mechanism 34 is disposed at two ends of the clamp bottom plate 33, so that when the clamp cover plate 31 is fixed to the workpiece to be processed and clamped with the clamp bottom plate 33, the workpiece can be positioned by the fixing mechanism 34.

The fixture fixing mechanism 34 comprises an air cylinder 341 and a pressure head 342, the air cylinder 341 is fixedly connected to the fixture mounting plate 20, the pressure head 342 is fixedly connected to the movable end of the air cylinder 341, and the pressure head 342 moves under the driving of the air cylinder 341 to realize the compression and the loosening of the fixture cover plate 31. The cylinder 341 can be a lifting cylinder or a rotary lifting cylinder, and the movable end of the rotary lifting cylinder can rotate and lift at the same time, and can be an ideal cylinder type for driving the pressure head 342. The cylinder 341 may be disposed at the bottom of the clamp mounting plate 20, and the movable end of the cylinder may pass through the clamp mounting plate 20 to connect to the pressure head 342, so that the height of the top end of the pressure head 342 may be reduced, thereby facilitating the fixing of the clamp cover plate 31.

Referring to fig. 3, the fixture assembly 30 further includes a cover plate positioning pin 35, and the cover plate positioning pin 35 can position the fixture cover plate 31 when the fixture cover plate 31 is mounted on the fixture 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 base plate 33 and the fixture fixing mechanism 34, that is, the positioning pins 35 are disposed at the left and right ends of the fixture base plate 33 in fig. 3, and of course, the positioning pins 35 may be disposed at the front and rear ends of the fixture base plate 33, which is not limited, and only needs to dispose the bolt holes at corresponding positions of the fixture cover plate 31 for matching. Preferably, a support block 351 for supporting the clamp cover plate 31 is provided below the positioning pin 35.

Referring to fig. 3, a clamping process of the CNC fixture machine according to the embodiment of the present invention is as follows:

the clamp cover plate 31 is placed on the auxiliary clamp 41 with the bottom upward before clamping;

fixing a workpiece to be processed at the bottom of the clamp cover plate 31;

turning over the clamp cover plate 31 provided with the workpiece to be processed and placing the clamp cover plate 31 on the clamp mounting plate 20, and positioning the clamp cover plate 31 through a positioning pin 35;

controlling the lifting cylinder 32 to ascend to drive the clamp bottom plate 33 to prop up the workpiece to be processed;

and controlling the cylinder 341 to move to drive the press head 342 to fix the clamp cover plate 31, thus completing the clamping of the CNC clamp machine table of the embodiment of the invention.

In summary, the invention discloses a CNC fixture machine, which comprises a frame and a fixture mounting plate arranged on the frame, wherein a fixture assembly for fixing a workpiece to be machined is arranged on the fixture mounting plate, and the fixture assembly comprises a fixture cover plate for locking a product to be machined; the rack is also provided with a cover plate placing plate for placing the clamp cover plate when the workpiece to be processed is disassembled and assembled, and the cover plate placing plate is positioned in front of or on the side of the clamp mounting plate. The cover plate placing plate is arranged on the CNC clamp machine table, so that the clamp cover plate can be conveniently disassembled and assembled when a workpiece to be machined is clamped, the clamp cover plate does not need to be placed at a place far away from the machine table, machining efficiency is improved, and labor cost is saved.

It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims

1. A CNC clamp machine table is characterized by comprising a rack and a clamp mounting plate arranged on the rack, wherein a clamp assembly used for fixing a workpiece to be machined is arranged on the clamp mounting plate;

the fixture assembly comprises a fixture mounting plate, a fixture assembly and a fixture base plate, wherein the fixture mounting plate is provided with a fixture mounting through hole in the middle, the fixture assembly comprises a lifting cylinder fixedly connected to the bottom of the fixture mounting plate and positioned below the fixture mounting through hole, and the fixture base plate is connected with the movable end of the lifting cylinder, embedded in the fixture mounting through hole and driven by the lifting cylinder to ascend and descend in the fixture mounting through hole; a workpiece positioning pin for positioning a workpiece to be machined is arranged on the clamp bottom plate, and a positioning hole corresponding to the workpiece positioning pin is arranged on the workpiece to be machined; the clamp assembly is provided with a clamp cover plate for locking a workpiece to be machined, the clamp cover plate is provided with two locking buckles for locking the workpiece to be machined, and the two locking buckles are oppositely arranged on two sides of the clamp cover plate; the clamp bottom plate and the clamp cover plate are combined for positioning and fixing a workpiece to be processed; the clamp assembly further comprises a clamp fixing mechanism which is arranged on the clamp mounting plate and is positioned at two ends of the clamp bottom plate, the clamp fixing mechanism comprises an air cylinder fixedly connected on the clamp mounting plate and a pressure head fixedly connected at a movable end of the air cylinder, and the air cylinder is used for driving the pressure head to move so as to realize the compression and the release of the clamp cover plate; the clamp assembly further comprises a cover plate positioning pin which is arranged on the clamp mounting plate, is positioned between the end part of the clamp bottom plate and the clamp fixing mechanism and is used for positioning the clamp cover plate, and a bolt hole corresponding to the cover plate positioning pin is formed in the clamp cover plate;

the clamp cover plate is provided with a plurality of processing hole positions, the processing hole positions correspond to positions and sizes of workpieces to be processed, and a processing tool penetrates through the processing hole positions to process the workpieces to be processed at the bottom of the clamp cover plate;

the frame is also provided with a cover plate placing plate for placing the clamp cover plate when the workpiece to be processed is disassembled and assembled, and the cover plate placing plate is positioned in front of or at the side of the clamp mounting plate; the cover plate placing plate is provided with an auxiliary clamp for placing and positioning the clamp cover plate when a workpiece to be machined is dismounted, and the auxiliary clamp is integrally formed with a positioning block for positioning the clamp cover plate; the locating piece has a plurality ofly, distributes respectively around supplementary anchor clamps.

2. The CNC jig machine of claim 1, wherein the upper end face of the jig mounting plate is higher than the upper end face of the cover placing plate by a predetermined distance.