CN210335374U

CN210335374U - Full-automatic pneumatic grinding machine

Info

Publication number: CN210335374U
Application number: CN201920901831.4U
Authority: CN
Inventors: 张玉堂; 赵新凯; 司林旗; 黄砚涛
Original assignee: Zhengzhou Weida Automation Technology Co ltd
Current assignee: Zhengzhou Weida Automation Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-17
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a full-automatic pneumatic grinding machine, which comprises a frame and a dust collecting chamber, wherein a grinding device is arranged in the dust collecting chamber, the lower end of the grinding device is provided with a material conveying device for inputting and outputting materials into and out of the dust collecting chamber, and the material conveying device is provided with an adjustable clamp for clamping the materials; the dust collecting chamber is also internally provided with a blowing device for blowing polishing dust of the workpiece, the bottom surface of the dust collecting chamber is provided with a dust outlet, and the dust outlet is connected with a dust removing device. The utility model has strong adaptability and wide application range, automatically removes dust for the workpiece during polishing, and prevents the damage to human body and air environment; secondly, the utility model discloses not only can guarantee sufficient pretightning force or pre-compression and can make the cutter have strict vertical motion to make the accurate very big improvement of size of polishing effect of polishing.

Description

Full-automatic pneumatic grinding machine

Technical Field

The utility model relates to a material grinding device especially relates to a full-automatic pneumatic polisher.

Background

Along with the requirement of people on workpiece machining refinement, workpiece polishing gradually becomes an indispensable machining process, the process is completed by using a mechanical arm or an industrial robot, for example, chinese patent application publication No. CN 106346337 a, invention patent with patent application No. 201510412296.2 discloses an automatic polishing device and method, which specifically disclose that the automatic polishing device is matched with the mechanical arm to polish workpieces, and the automatic polishing device comprises: a grinding tool clamped at the end of the mechanical arm; the working table is provided with a feeding station, a polishing station and a receiving station which are arranged in sequence; the material tank is arranged on the feeding station, and a plurality of workpieces to be polished are placed in the material tank side by side; the clamping structure clamps the workpiece to move from the feeding station to the polishing station and from the polishing station to the receiving station; the clamping structure is arranged on the polishing station and clamps the workpiece for polishing by a polishing tool; and the control unit controls the mechanical arm, the clamping structure and the clamping structure to act. It treats the work piece of polishing through placing a plurality of side by side in the material inslot, and the work piece after polishing are treated to the centre gripping structure centre gripping, and the work piece is polished to the burnisher of robotic arm tip centre gripping, has realized the automatic work piece of polishing, has improved work efficiency and has replaced the manual work.

While robotic arms provide high precision sanding, robotic arms have the inherent drawback of relatively slow movement speeds. In addition, the equipment cost is high, the use and maintenance cost is high, and small enterprises are difficult to bear. Also, there are at least the following problems with its automatic sanding device: firstly, the grinding dust powder of the workpiece after being polished can be attached to the surface of the workpiece, the subsequent process cannot be directly used and the workpiece is easy to damage, and in addition, the grinding dust powder of the workpiece after being polished is dispersed in the air, so that the damage to the human body is large and the dust explosion of a workshop is easy to cause; secondly, the pre-pressure of the cutter is not enough or the cutter is easy to deflect, and the processing error is large. In this regard, the inventors have made extensive investigations and extensive and intensive studies, and have considered that there is a need for an improvement in the existing automatic grinding apparatus to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a full-automatic pneumatic polisher of sufficient pretightning force, machining precision height and air environmental protection particularly realizes through following technical scheme:

the utility model relates to a full-automatic pneumatic polisher, which comprises a frame and a dust collecting chamber, wherein a polishing device is arranged in the dust collecting chamber, a material conveying device for inputting and outputting materials into and out of the dust collecting chamber is arranged at the lower end of the polishing device, and an adjustable clamp for clamping the materials is arranged on the material conveying device; the dust collecting chamber is also internally provided with a blowing device for blowing polishing dust of the workpiece, the bottom surface of the dust collecting chamber is provided with a dust outlet, and the dust outlet is connected with a dust removing device.

Further, grinding device is multiaxis grinding machanism, multiaxis grinding machanism includes horizontal motion guide rail I, horizontal motion guide rail II, vertical motion guide rail and locates the cutter unit on the vertical motion guide rail, horizontal motion guide rail I is parallel to each other at least and is equipped with two, and horizontal motion guide rail I is arranged perpendicularly in to horizontal motion guide rail II, horizontal motion guide rail II is arranged perpendicularly in to the vertical motion guide rail.

Further, the cutter component comprises a cutter rest, a pre-tightening mechanism arranged at the front end of the cutter rest and used for adjusting the pre-tightening force of the cutter and a connecting piece used for connecting the cutter rest and the vertical moving guide rail, wherein the pre-tightening mechanism comprises a movable plate connected to the cutter rest in a single-degree-of-freedom sliding mode along the vertical direction, a cutter assembly arranged at the front end of the movable plate and an elastic element arranged between the cutter rest and the movable plate.

Further, the tool rest comprises a middle plate, the upper end and the lower end of the middle plate are respectively provided with a spring seat for fixing a spring and a limiting block for limiting a lower stroke stop point of the movable plate, and the movable plate is connected to the middle plate through a sliding block assembly.

Further, the material conveying device comprises a track assembly, a synchronous belt arranged on the track assembly and a sliding piece connected with the synchronous belt and connected to the track assembly in a single-degree-of-freedom sliding mode, the adjustable clamp comprises a transverse support arranged on the sliding piece, two longitudinal supports arranged oppositely and respectively arranged at two ends of the transverse support and a clamping block arranged at the upper end of each longitudinal support, the transverse support and the longitudinal supports are arranged vertically, a groove is formed in each longitudinal support along the length direction of each longitudinal support, and a T-shaped bolt used for adjusting each clamping block is arranged in each groove; and one end of the track assembly in the dust removing chamber is used for detecting a sensor component capable of adjusting the position of the clamp.

Optionally, the material conveying device comprises a belt conveyor; the adjustable clamp comprises a screw rod support I, a screw rod rotationally connected with the screw rod support I in a single-degree-of-freedom mode, a pneumatic clamp I in sliding connection with the screw rod support I in a length direction in a single-degree-of-freedom mode, and a pneumatic clamp II fixedly arranged on the screw rod support I, wherein the pneumatic clamp I is in threaded connection with the screw rod; but adjustable anchor clamps are still including locating the swing arm cylinder that I upper end of screw bracket is used for compressing tightly the material downwards and being on a parallel with the grip block that I setting of screw bracket is used for the centre gripping material, I upper end of screw bracket is located to the swing arm cylinder, be connected with the lead screw subassembly that is used for promoting the grip block on the grip block and be used for supporting the slide bar subassembly of grip block.

Furthermore, the dust removal device comprises a powder inlet pipe connected with the dust outlet, a fan connected with the other end of the powder inlet pipe, and a dust removal cloth bag connected with the discharge hole of the fan.

Further, the air blowing device comprises an air blowing pipe, and the air blowing pipe is arranged on one side of the cutter rest.

The utility model has the advantages that: material conveyor cooperation multiaxis grinding machanism can carry out the plane to various materials and polish and get rid of the collection to the high-efficient through ingenious design dust collector to the abrasive dust, consequently the utility model discloses be suitable for strong application range wide and carry out automatic chip removal to the work piece that has polished and handle, prevent to cause the harm to human body and air circumstance. The utility model discloses cutter unit design benefit structure adopts the mode that mould spring and sliding block set combined together to guarantee sufficient pretightning force or pre-pressure and can make the cutter have strict vertical motion again and make the accurate very big improvement of the size of polishing effect of polishing. Other advantageous effects of the present invention will be further described with reference to the following specific examples.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a material conveying device;

FIG. 3 is a schematic view of a cutter assembly;

FIG. 4 is a schematic view of another adjustable clamp;

fig. 5 is a schematic structural view of the pneumatic clamp.

Detailed Description

As shown in the figure: the utility model relates to a full-automatic pneumatic grinding machine, which comprises a frame 1 and a dust collecting chamber 2, wherein a grinding device is arranged in the dust collecting chamber 2, the lower end of the grinding device is provided with a material conveying device 3 for inputting and outputting materials into and out of the dust collecting chamber 2, and the material conveying device 3 is provided with an adjustable clamp 4 for clamping materials; the dust collecting chamber 2 is also internally provided with a blowing device 8 for blowing polishing dust of workpieces, the bottom surface of the dust collecting chamber 2 is provided with a dust outlet, and the dust outlet is connected with a dust removing device 5. The grinding device is multi-axis grinding mechanism 6, and is more preferred, multi-axis grinding mechanism 6 includes horizontal motion guide rail I601, horizontal motion guide rail II 602, vertical motion guide rail 603 and locates cutter unit 7 on vertical motion guide rail 603, horizontal motion guide rail I601 is parallel to each other at least and is equipped with two, horizontal motion guide rail I601 is arranged perpendicularly in to horizontal motion guide rail II 602, horizontal motion guide rail II 602 is arranged perpendicularly in to vertical motion guide rail 603. Of course, the polishing device may also be a two-axis polishing device with a certain vertical height; it is also possible to have a single axis grinding device fixed at one point, where a large diameter grinding plate is required to grind the entire surface, but three axes are preferred here. Of course, full-automatic pneumatic polisher still includes the switch board and moves with control grinding device, material conveyor 3, gas blowing device 8, dust collector 5's coordination and cooperation, and this is no longer repeated here for prior art.

When in use, the size of the material is manually measured and the material is put into an adjustable clamp; the system manually inputs processing parameters and quantity according to material quality; and starting a grinding program to accurately feed the material to the position below the cutter assembly 704 at each time through the material conveying device 3. And a preset pretightening force and a preset feed amount are installed for three-axis motion grinding operation, more specifically, the vertical motion guide rail 603 moves downwards to drive the cutter assembly 7 to move downwards, so that the cutter contacts with the material and forms a certain pretightening force, then the cutter rotates and performs plane motion in a machining plane under the drive of the horizontal motion guide rail I601 and the horizontal motion guide rail II 602 until the machining is finished, and the cutter moves upwards and stops rotating under the drive of the vertical motion guide rail 603. Then the material conveying device 3 drives the processed workpiece to move out of the dust collecting chamber 2, and finally the workpiece is disassembled and the material is clamped.

Under the condition that the transmission and positioning of materials or workpieces are also related to the grinding quality, and the technical scheme is not changed, the utility model also discloses another material conveying device 30 and an adjustable clamp 40, wherein the material conveying device comprises a belt conveyor; the adjustable clamp 40 comprises a screw rod support I4001, a screw rod 4002 in single-degree-of-freedom rotating connection with the screw rod support I4001, a pneumatic clamp I4003 in single-degree-of-freedom sliding connection with the screw rod support I4001 in the length direction, and a pneumatic clamp II 4004 fixedly arranged on the screw rod support I4001, wherein the pneumatic clamp I4003 is in threaded connection with the screw rod 4002; adjustable anchor clamps 40 is still including locating the swing arm cylinder 4005 that is used for compressing tightly the material downwards in screw bracket I4001 upper end and being parallel to the grip block 4006 that is used for the centre gripping material that screw bracket I4001 set up, swing arm cylinder 4005 locates screw bracket I4001 upper end, be connected with on the grip block 4006 and be used for promoting the lead screw subassembly 4007 of grip block 4006 and be used for supporting the slide bar subassembly 4008 of grip block 4006. Firstly, the material is placed on the belt conveyor 30, and the belt conveyor 30 carries the material and moves to the position of the pneumatic clamp II 4004, and the belt conveyor stops, or certainly does not stop. One side of material is blockked by pneumatic fixture II 4004 and both hug closely together this moment, and manual rotation lead screw then pneumatic fixture I4003 slides along lead screw support I4001 and leans on to pneumatic fixture I4003 and material opposite side, and pneumatic fixture I4003, pneumatic fixture II 4004 clamp the material tentatively this moment. Then, the screw rod assembly 4007 is driven to drive the clamping plate 4006 to move towards the direction of the screw rod bracket I4001 under the action of the sliding rod assembly 4008 until the inner side of the clamping plate 4006 is tightly close to the material, and the material is firmly fixed in the horizontal plane. Finally, the swing arm cylinder 4005 is actuated and pressed above the material, which is uniquely spatially determined and firmly fixed. Relative to above-mentioned material conveyor 3 and adjustable anchor clamps 4, it is fixed firm and prevented that the material from scurrying in vertical direction when polishing, is favorable to the quality of polishing.

In order to dress the convenience of card and enable full-automatic pneumatic polisher can be to most of materials on the market operation of polishing, with material conveyor 3 and adjustable anchor clamps 4 concrete design as follows: the material conveying device 3 comprises a track assembly 301, a synchronous belt 302 arranged on the track assembly 301, and a sliding part 303 connected with the synchronous belt 302 and connected with the track assembly 301 in a single-degree-of-freedom sliding manner, wherein the adjustable clamp 4 comprises a transverse support 401 arranged on the sliding part 303, two longitudinal supports 402 arranged oppositely at two ends of the transverse support 401, and a clamping block 403 arranged at the upper end of the longitudinal support 402, the transverse support 401 and the longitudinal support 402 are arranged vertically, the longitudinal support 402 is provided with a groove along the length direction thereof, and a T-shaped bolt (not marked in the figure) for adjusting the clamping block 403 is arranged in the groove; the end of the track assembly 301 within the dirt collection chamber 2 is used to detect a sensor assembly 304 for the position of the adjustable clamp 4, which sensor assembly 304 may be a proximity switch. Of course, the transverse bracket 401 and the longitudinal bracket 402 can be detachably connected together by means of T-bolts or other bolts. When the material clamping device is used, a material is placed on the transverse support 401, the left end and the right end of the material are attached to the longitudinal support 402, the front end and the rear end of the material are attached to the clamping blocks 403 by adjusting the clamping blocks 403, and then the material is fixed. After the material is loaded and clamped, the motor on the track assembly 301 drives the synchronous belt 302 to move so as to drive the sliding member 303 to slide linearly on the track assembly 301, that is, the adjustable clamp 4 together with the material enters the dust collecting chamber 2 and stops rotating after the induction of the inductor assembly 304 is performed, and at this time, the adjustable clamp 4 is placed right below the cutter assembly 7. The processing exterior is moved out of the dust collecting chamber 2 by reversing the motor on the rail assembly 301. When materials with the same size are ground, the adjustable clamp 4 does not need to be adjusted, and the workpiece is directly moved upwards and disassembled to be replaced by the materials to be ground.

The cutter assembly 7 guarantees the grinding quality, and in order to guarantee the accuracy of the vertical movement of the cutter in the grinding process and have enough pretightening force and avoid the interference between the cutter movement tool rest 701 and a workpiece, the cutter assembly 7 is specifically designed as follows: the device comprises a tool rest 701, a pre-tightening mechanism arranged at the front end of the tool rest 701 and used for adjusting the pre-tightening force of a tool, and a connecting piece 702 used for connecting the tool rest 701 and a vertical motion guide rail 603, wherein the pre-tightening mechanism comprises a movable plate 703 connected to the tool rest 701 in a one-degree-of-freedom sliding manner along the vertical direction, a tool assembly 704 arranged at the front end of the movable plate 703, and an elastic element arranged between the tool rest 701 and the movable plate 703, and the elastic element is preferably a die; the tool rest 701 comprises a middle plate 7011, a spring seat 7012 for fixing a spring and a limiting block 7013 for limiting a lower stroke stop point of the movable plate 703 are respectively arranged at the upper end and the lower end of the middle plate 7011, and the movable plate 703 is connected to the middle plate 7011 through a sliding block assembly 706. Further, three die springs 705 are provided to ensure sufficient pre-tightening force and simultaneously keep the left and right balance of the cutter; the tool assembly 704 is a pneumatic motor or stepper motor or the like, preferably a pneumatic motor, to which a tool is mounted. In use, the cutter assembly 7 moves downwards under the driving of the vertical moving guide rail 603, the cutter rotates under the rotation of the pneumatic motor, when the cutter presses on the material and before the grinding is finished, the movable plate 703 moves upwards along the cutter rest 701 by using the slide block assembly 706 and compresses the die spring 705 to form a pre-tightening force. And can also play the cushioning effect and avoid the cutter to receive instantaneous stress and damage when vertical motion guide rail descends too fast. Since the tool assembly 704 is disposed at the front end of the movable plate 703 and the movable plate 703 is disposed in the tool rest 701, the tool assembly 704 moves up and down depending on the stroke of the movable plate 703 moving up and down, and the tool assembly 704 is disposed at the outer end of the movable plate 703 in front of the tool rest 701, the lower end surface of the tool assembly 704 is lower than the tool rest 701, and the tool rest 701 does not interfere with the workpiece in any movement of the tool assembly 704. Secondly, the movable plate 703 is movably connected to the tool post 701 through the slider assembly 706 and the die spring 705, so that smooth and flexible movement of the tool assembly 704 is ensured, and strict vertical movement of the tool assembly 704 is ensured, which is beneficial to improvement of grinding accuracy and grinding effect.

In this embodiment, the dust removing device 5 includes a powder inlet pipe 501 connected to the dust outlet, a fan 502 connected to the other end of the powder inlet pipe 501, and a dust removing cloth bag 503 connected to the discharge port of the fan 502; the blowing device 8 comprises a blowing pipe which is arranged on one side of the tool rest 701. The fan 502 preferably centrifuges the fan 502, and the air blowing pipe is certainly connected to an air inflating pump in a workshop. In order to replace the manual work to get rid of the abrasive dust on the work piece and environmental protection, reduce the influence of abrasive dust to the machined surface simultaneously, the utility model discloses ingenious design dust collector 5, utilize the gas blow pipe to blow down on with the abrasive dust work piece, inhale into powder pipe 501 with the abrasive dust by centrifugal fan 502 immediately, concentrate the collection in placing dust removal sack 503 in through centrifugal fan 502.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a full-automatic pneumatic polisher, includes frame and dust collecting chamber, its characterized in that: a polishing device is arranged in the dust collecting chamber, a material conveying device used for inputting and outputting materials into and out of the dust collecting chamber is arranged at the lower end of the polishing device, and an adjustable clamp used for clamping the materials is arranged on the material conveying device; the dust collecting chamber is also internally provided with a blowing device for blowing polishing dust of the workpiece, the bottom surface of the dust collecting chamber is provided with a dust outlet, and the dust outlet is connected with a dust removing device.

2. The fully automatic pneumatic sander of claim 1, wherein: grinding device is multiaxis grinding machanism, multiaxis grinding machanism includes horizontal motion guide rail I, horizontal motion guide rail II, vertical motion guide rail and locates the cutter unit on the vertical motion guide rail, horizontal motion guide rail I is parallel to each other at least and is equipped with two, and horizontal motion guide rail I is arranged perpendicularly in to horizontal motion guide rail II, horizontal motion guide rail II is arranged perpendicularly in to the vertical motion guide rail.

3. The fully automatic pneumatic sander of claim 2, wherein: the cutter assembly comprises a cutter rest, a pre-tightening mechanism arranged at the front end of the cutter rest and used for adjusting the pre-tightening force of the cutter and a connecting piece used for connecting the cutter rest and the vertical moving guide rail, wherein the pre-tightening mechanism comprises a movable plate connected to the cutter rest in a single-degree-of-freedom sliding mode along the vertical direction, a cutter assembly arranged at the front end of the movable plate and an elastic element arranged between the cutter rest and the movable plate.

4. The fully automatic pneumatic sander of claim 3, wherein: the knife rest comprises a middle plate, the upper end and the lower end of the middle plate are respectively provided with a spring seat for fixing a spring and a limiting block for limiting a lower stroke stop point of the movable plate, and the movable plate is connected to the middle plate through a sliding block assembly.

5. The fully automatic pneumatic sander of claim 1, wherein: the material conveying device comprises a track assembly, a synchronous belt arranged on the track assembly and a sliding piece connected with the synchronous belt and connected to the track assembly in a single-degree-of-freedom sliding mode, the adjustable clamp comprises a transverse support arranged on the sliding piece, two longitudinal supports arranged oppositely and respectively arranged at two ends of the transverse support and a clamping block arranged at the upper end of each longitudinal support, the transverse support and the longitudinal supports are arranged vertically, each longitudinal support is provided with a groove along the length direction of the longitudinal support, and a T-shaped bolt used for adjusting the clamping block is arranged in each groove; and one end of the track assembly in the dust removing chamber is used for detecting a sensor component capable of adjusting the position of the clamp.

6. The fully automatic pneumatic sander of claim 1, wherein: the material conveying device comprises a belt conveyor; the adjustable clamp comprises a screw rod support I, a screw rod rotationally connected with the screw rod support I in a single-degree-of-freedom mode, a pneumatic clamp I in sliding connection with the screw rod support I in a length direction in a single-degree-of-freedom mode, and a pneumatic clamp II fixedly arranged on the screw rod support I, wherein the pneumatic clamp I is in threaded connection with the screw rod; but adjustable anchor clamps are still including locating the swing arm cylinder that I upper end of screw bracket is used for compressing tightly the material downwards and being on a parallel with the grip block that I setting of screw bracket is used for the centre gripping material, I upper end of screw bracket is located to the swing arm cylinder, be connected with the lead screw subassembly that is used for promoting the grip block on the grip block and be used for supporting the slide bar subassembly of grip block.

7. A fully automatic pneumatic sander according to any one of claims 1-6, wherein: the dust removal device comprises a powder inlet pipe connected with the dust outlet, a fan connected with the other end of the powder inlet pipe, and a dust removal cloth bag connected with the discharge port of the fan.

8. A fully automatic pneumatic sander according to any one of claims 4-6, wherein: the blowing device comprises a blowing pipe, and the blowing pipe is arranged on one side of the tool rest.