CN210115711U

CN210115711U - Workpiece clamping device of numerical control three-dimensional engraving machine

Info

Publication number: CN210115711U
Application number: CN201921110635.1U
Authority: CN
Inventors: 郑喜贵; 宋海涛; 张莉; 蒋玲玲; 石佩斐
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-02-28
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a workpiece clamping device of numerical control three-dimensional engraver, the effectual clamping device who solves current engraver consolidates not tightly, problem troublesome poeration, including the workstation, be provided with the slide that can move on the workstation, install the crossbeam on the slide, install vertical slide rail on the crossbeam, the slip is provided with the sculpture bull dog on vertical slide rail, its characterized in that, be fixed with the workstation on the workstation, all be fixed with clamping device around the workstation, clamping device includes the runner of rotation setting on the workstation, and threaded connection has the screw rod on the runner, and the top of screw rod is fixed with the roof, and the cover is equipped with the clamp plate on the screw rod, and the both ends of clamp plate rotate respectively and are connected with the cam compact heap, and the lower extreme of cam compact heap has the curved block of fixing on the workstation, and the end of cam compact heap can dismantle the couple on the curved block through the crotch, the utility model discloses whole, the disassembly is convenient, the replacement can be carried out randomly, and the practicability is strong.

Description

Workpiece clamping device of numerical control three-dimensional engraving machine

Technical Field

The utility model relates to an engraver technical field specifically is three-dimensional engraver's of numerical control work piece clamping device.

Background

The three-dimensional engraving machine is an industry classification of engraving machines, is a numerical control device emerging in recent years, and has a working principle similar to that of a numerical control milling machine. The method utilizes engraving programming software to convert the content to be engraved into standard G codes which can be identified by engraving machine control software, and three shafts of a control machine automatically move in an electric continuous mode, so that the effect of automatic engraving is achieved.

Three-dimensional engraver needs carry out the centre gripping to the work piece when carving fixedly, and clamping device's kind has a plurality ofly, is the clamping device who uses different according to the work piece shape of difference, for example, the cylinder, the cuboid, the clamping device of the dysmorphism body is all inequality, the utility model discloses mainly be to the anchor clamps reinforcement that use when certain enterprise carves same cuboid work piece for a long time not tight, easy not hard up, complex operation's problem when the centre gripping, this applicant receives after entrusting, according to the on-the-spot sculpture condition of this enterprise, provides a new clamping device.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a workpiece clamping device of three-dimensional engraver of numerical control, effectual clamping device who has solved current engraver consolidates not tightly, troublesome poeration's problem.

Workpiece clamping device of three-dimensional engraver of numerical control, including the workstation, be provided with the slide that can remove on the workstation, install the crossbeam on the slide, install vertical slide rail on the crossbeam, the slip is provided with the sculpture and turns round on the vertical slide rail, its characterized in that, be fixed with the operation panel on the workstation, all be fixed with clamping device around the operation panel, clamping device is including rotating the runner that sets up on the workstation, and threaded connection has the screw rod on the runner, and the top of screw rod is fixed with the roof, and the cover is equipped with the clamp plate on the screw rod, and the both ends of clamp plate are rotated respectively and are connected with the cam compact heap, and the lower extreme of cam compact heap has the curved block of fixing on the operation panel, and the couple can be dismantled on the curved.

Preferably, the rotating wheel is rotatably mounted on a rotating wheel fixing frame arranged on the workbench.

Preferably, the upper end of the rotating wheel is provided with a rotating hole, a first internal thread is arranged in the rotating hole, and the outer surface of the screw rod is provided with a first external thread matched with the first internal thread.

Preferably, a screw hole matched with the screw is formed in the pressing plate, and a second internal thread matched with the first external thread is formed in the screw hole.

Preferably, the number of the cam pressing blocks is two, rotating shafts are inserted into the two cam pressing blocks, and the rotating shafts are installed on a cam fixing frame arranged on the operating platform.

Preferably, one end of the hook is inserted into two ends of the end head of the cam pressing block, and the other end of the hook is detachably hooked on the bent block.

The utility model discloses possess following advantage:

1. through the cooperation of runner and screw rod, conveniently adjust the work piece of different thickness, and when adjusting thickness, can press from both sides tightly the work piece.

2. Through the cooperation of clamp plate and screw rod, conveniently adjust the work piece of different thickness to further press from both sides tightly once more the work piece through the cam compact heap.

3. The cam pressing block is connected with the bent block in a matched mode through the hook, so that the cam pressing block is connected with the operating table, and the workpiece is further clamped again.

4. Holistic clamping device easy operation dismantles the convenience, can change wantonly, and the practicality is strong.

Drawings

Fig. 1 is a schematic overall perspective view of the present invention.

Fig. 2 is a partially enlarged view of fig. 1 according to the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

The utility model relates to a clamping device of a numerical control three-dimensional engraving machine, which comprises an existing workbench 1, a movable sliding plate 2 is arranged on the workbench 1 in a sliding way, the sliding plate 2 is used for adjusting the transverse position of the engraving machine, a crossbeam 3 is arranged at the upper end of the sliding plate 2, a vertical sliding rail 4 is arranged on the crossbeam 3, an engraving rotary head is arranged on the vertical sliding rail 4 in a sliding way and is used for adjusting the vertical position of the engraving rotary head, the clamping device also comprises a driving device of the three-dimensional engraving machine, a power supply and the like, the three-dimensional engraving machine is a prior art, and is not repeated any more, the clamping device is mainly improved by the utility model, which comprises an operation table 6 fixed on the workbench 1, clamping devices 7 are fixed around the operation table 6, the structures of the clamping devices 7 are the same (only the clamping device in one direction is given in the drawing, and the size of the clamping device can be determined according to the actual situation), clamping device 7 includes runner 8, runner 8 can rotate, 6 marginal under of operation panel are arranged in to runner 8, 8 female connection of runner have screw rod 9, screw rod 9 rotates the high position that can adjusting screw rod 9 in runner 8, top at screw rod 9 is fixed with roof 10, roof 10 is except playing the effect that conveniently twists, still play the effect of playing the centre gripping to the work piece, the cover is equipped with clamp plate 11 on screw rod 9, clamp plate 11 can be on screw rod 9 the adjusting position height, in order to make things convenient for compressing tightly the work piece of different thickness, both ends on clamp plate 11 are provided with cam compact heap 12, it can compress tightly clamp plate 11 to rotate cam compact heap 12, the couple can be dismantled on dog 13 through crotch 14 to the end of cam compact heap 12, the below at operation panel 6 is fixed to the end of dog 13.

In order to fix the rotating wheel 8, a rotating wheel fixing frame 24 is fixed on the workbench 6, and the rotating wheel 8 is rotatably connected in the middle of the rotating wheel fixing frame 24, so that the rotating wheel 8 can rotate in the rotating wheel fixing frame 24.

The connection mode of runner 8 and screw rod 9 does, has seted up the commentaries on classics hole in the upper end of runner 8, has seted up first internal thread in changeing the downthehole, has seted up first external screw thread on screw rod 9, and first external screw thread matches with first internal thread, and screw rod 9 can adjusting screw rod 9's height in the runner internal rotation.

The connection mode of the pressing plate 11 and the screw 9 is that a screw hole is formed in the pressing plate 11, a second internal thread matched with the first external thread is formed in the screw hole, the pressing plate 11 is sleeved on the screw hole in a threaded mode, and when the pressing plate 11 rotates, the position of the pressing plate 11 on the screw 9 can be adjusted to adapt to workpieces with different thicknesses.

The cam pressing blocks 12 can be multiple, the cam pressing blocks 12 can be rotated to press the pressing plate 11, in order to facilitate installation and disassembly of the cam pressing blocks 12, the rotating shafts 16 are detachably installed in the cam pressing blocks, cam fixing frames 15 are fixed on two sides of the operating platform 6, holes are formed in one end of each cam fixing frame 15 in an opening mode, and the cam pressing blocks 12 can be changed into detachable and replaceable mechanisms.

One end of the hook 14 is inserted into the tail end of the end head of the cam pressing block 12, the other end of the hook 14 is hooked on the bent block 13, and the end head of the bent block 13 is fixed at the bottom of the operating platform 6.

In the first embodiment, clamping of the top plate 10;

the operation table 6 with a proper workpiece is selected, after the operation table is installed and fixed, the workpiece is placed on the surface of the operation table 6, the screw 9 is rotated to adjust the height of the screw 9 in the rotating wheel 8, then the workpiece is vertically placed, the workpiece is placed below the top plate 10, and the top plate 10 is screwed (properly, the workpiece can be screwed by a wrench), so that the top plate 10 clamps the workpiece.

In the second embodiment, the clamping of the pressure plate 11;

place clamp plate 11 in the work piece top, upwards rotate cam compact heap 12 for cam compact heap 12 is implemented to clamp plate 11 and is compressed tightly, and the dynamics of compressing tightly of cam compact heap 12 is great, avoids causing the damage to the work piece surface through clamp plate 11, and clamp plate 11 possesses limiting displacement to the work piece simultaneously.

Clamping the pressure plate 11, the hook 14 and the bent block 13;

after the cam pressing block 12 presses the pressing plate 11, one end of the hook 14 is hooked on the bent block 13, and then the cam pressing block 12 is turned, so that the pressing plate 11 and the operating table 6 are connected into a whole, and a workpiece is further clamped.

Clamping the top plate 10, the pressing plate 11, the hook 14 and the bent block 13;

the workpiece is placed on the operation table 6, the position of the pressing plate 11 on the screw 9 is adjusted, the pressing plate 11 is placed on the workpiece, the cam pressing block 12 is rotated, the hook 14 is hung on the bent block 13, and the screw 9 is rotated at the same time, so that the pressing plate 11 is clamped by the top plate 10.

The utility model discloses possess following advantage:

Claims

1. A workpiece clamping device of a numerical control three-dimensional engraving machine comprises a workbench (1), wherein a movable sliding plate (2) is arranged on the workbench (1), a cross beam (3) is arranged on the sliding plate (2), a vertical sliding rail (4) is arranged on the cross beam (3), and an engraving rotary head (5) is arranged on the vertical sliding rail (4) in a sliding manner, and is characterized in that an operating platform (6) is fixed on the workbench (1), clamping devices (7) are fixed on the periphery of the operating platform (6), each clamping device (7) comprises a rotary wheel (8) rotatably arranged on the workbench (1), a screw (9) is in threaded connection with the rotary wheel (8), a top plate (10) is fixed at the top end of the screw (9), a pressing plate (11) is sleeved on the screw (9), two ends of the pressing plate (11) are respectively and rotatably connected with cam pressing blocks (12), and a bending block (13) fixed on the operating platform (6) is arranged at the lower end of, the end of the cam pressing block (12) is detachably hooked on the bent block (13) through a hook (14).

2. The workpiece holding device of the CNC engraving machine of claim 1, wherein the rotating wheel (8) is rotatably mounted on a rotating wheel fixing frame (24) arranged on the workbench (1).

3. The workpiece clamping device of the numerical control three-dimensional engraving machine as claimed in claim 1, wherein the upper end of the rotating wheel (8) is provided with a rotating hole, a first internal thread is arranged in the rotating hole, and the outer surface of the screw rod (9) is provided with a first external thread matched with the first internal thread.

4. The workpiece clamping device of the numerical control three-dimensional engraving machine as claimed in claim 3, wherein the pressure plate (11) is provided with a screw hole matched with the screw (9), and a second internal thread matched with the first external thread is formed in the screw hole.

5. The workpiece clamping device of the numerical control three-dimensional engraving machine according to claim 1, characterized in that the number of the cam pressing blocks (12) is two, a rotating shaft (16) is inserted into the two cam pressing blocks (12), and the rotating shaft (16) is arranged on a cam fixing frame (15) arranged on the operating platform (6).

6. The workpiece clamping device of the numerical control three-dimensional engraving machine as claimed in claim 1, wherein one end of the hook (14) is inserted at two ends of the end head of the cam pressing block (12), and the other end of the hook (14) is detachably hooked on the bent block (13).