CN210790595U

CN210790595U - Sand blasting machine

Info

Publication number: CN210790595U
Application number: CN201921426647.5U
Authority: CN
Inventors: 李冰; 刘彦博
Original assignee: Alegant Co ltd
Current assignee: Alegant Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-19
Anticipated expiration: 2029-08-30

Abstract

The utility model provides a sand blasting machine, including sand blasting machine host computer, sand blasting machine host computer includes: the sand blasting machine comprises a tool clamp, a small turntable mechanism, a large turntable mechanism, a rack covering the outside of the large turntable mechanism, a sand blasting mechanism, a first driving mechanism and a second driving mechanism; the first driving mechanism drives the large turntable mechanism to rotate so as to move different small turntable mechanisms to a sand blasting area below the sand blasting mechanism; the sand blasting mechanism comprises a spray gun bracket, a spray gun assembly capable of moving relative to the spray gun frame and a third driving mechanism capable of driving the spray gun assembly. The utility model provides a sand blasting machine adopts horizontal reciprocating motion's mechanism to drive the horizontal reciprocating motion sandblast of spray gun subassembly, has solved the difficult, not wide problem of gravity type sandblast application scope of pendulum type sandblast debugging among the prior art, has synthesized the advantage of pendulum type sandblast and gravity type sandblast, and the sandblast that are applicable to rule or irregular work piece are effectual, easy operation.

Description

Sand blasting machine

Technical Field

The utility model belongs to the technical field of the sand blasting equipment is relevant, concretely relates to sand blasting machine.

Background

A sand blasting machine belongs to the field of air conveying machinery, and is characterized in that powder particle materials are conveyed from one place to another place by utilizing compressed air in a pipeline, and in the process of converting kinetic energy into potential energy, sand grains moving at high speed are enabled to scour the surface of an object, so that the effect of improving the surface quality of the object is achieved.

The abrasive material of the sand blasting machine impacts and cuts the surface of the workpiece, so that the surface of the workpiece obtains certain cleanliness and different roughness, and the mechanical property of the surface of the workpiece is improved, thereby improving the fatigue resistance of the workpiece, increasing the adhesive force between the workpiece and the coating, prolonging the durability of the coating, being beneficial to the leveling and decoration of the coating, removing impurities, variegates and oxide layers on the surface, simultaneously roughening the surface of the medium, eliminating the residual stress of the workpiece and improving the renting of the surface hardness of the base material.

However, there are two main motion modes of the spray gun of the existing sand blasting machine, one is a gravity type vertical lifting mode, and the other is a pendulum type horizontal and vertical motion mode. The gravity type vertical lifting mode has the advantages that: when the product is a cylinder or a concentric cube, the sanding and carving effects are excellent, and the operation and machine adjustment are simple; the disadvantages are that: the sanding surface must be parallel to the direction of movement of the gun, which can result in poor sanding of many irregular products; the pendulum type horizontal and vertical motion modes have the advantages that: the sand blasting operation can be carried out on the workpiece in an all-around dead angle-free manner, and the shape of the product is not required; the disadvantages are that: because the spray gun utilizes the pendulum type motion, the distance between the spray gun and the workpiece inevitably has the nearest point and the farthest point, and the requirement on an operator is high by adjusting various parameters of the spray gun such as angle, pressure, distance and the like, and the operation is required to be carried out by professional personnel.

SUMMERY OF THE UTILITY MODEL

There is above-mentioned technical problem among the prior art, the utility model provides a sand blasting machine adopts the mode of the reciprocal sandblast of level, has solved the problem and the pendulum type sandblast that vertical lift sandblast coverage surface limitation need adjust each item parameter such as spray gun angle, pressure and to the operator problem that requires height, has combined vertical lift transfer rifle easily, the wide advantage of pendulum type sandblast coverage.

In order to achieve the above object, the present invention provides the following technical solutions:

a sand blasting machine comprises a sand blasting machine host, wherein the sand blasting machine host comprises a frame, a large turntable mechanism, a small turntable mechanism, a sand blasting mechanism and a tool clamp; the sand blasting mechanism comprises a fixed frame, a spray gun assembly and a first driving mechanism, the fixed frame is fixed on the rack, the spray gun assembly is movably arranged on the fixed frame, and the first driving mechanism is connected with the spray gun assembly so as to drive the spray gun assembly to horizontally reciprocate along the length direction of the fixed frame; the small turntable mechanism is arranged on the large turntable mechanism along the circumferential direction and is connected with a second driving mechanism for driving the small turntable mechanism to rotate, and the tool clamp is arranged on the small turntable mechanism and can rotate along with the small turntable mechanism; the large turntable mechanism is arranged in the rack and located below the sand blasting mechanism, and is connected with a third driving mechanism for driving the large turntable mechanism to rotate so as to drive the small turntable mechanism to move to a sand blasting area below the sand blasting mechanism.

Furthermore, the fixed frame is provided with a guide rail, the spray gun assembly comprises a connecting rod and a spray gun, the connecting rod is connected with the guide rail through a sliding block, the spray guns are fixed on the connecting rod, and the first driving mechanism is connected with the connecting rod and used for driving the connecting rod to horizontally reciprocate along the length direction of the guide rail.

Furthermore, the large turntable mechanism is provided with a plurality of hole sites, the small turntable mechanism is arranged on the hole sites, and the small turntable mechanism is detachably connected with the large turntable mechanism.

Furthermore, the small turntable mechanism comprises a small turntable, a small shaft, a first bearing seat, a first bearing and a synchronizing wheel, wherein one end of the small shaft is fixedly connected with the small turntable, the other end of the small shaft sequentially penetrates through the inner ring of the first bearing and the hole site and is fixedly connected with the synchronizing wheel, the first bearing is fixed in the first bearing seat, and the first bearing seat is fixedly connected with the large turntable mechanism.

Furthermore, the small turntable mechanism further comprises a small turntable support, a second bearing seat and a second bearing, the small turntable support is sleeved in the middle of the small shaft, one end of the small turntable support is fixedly connected with the first bearing seat, the other end of the small turntable support is fixedly connected with the second bearing seat, the small shaft further penetrates through an inner ring of the second bearing, and the second bearing is fixed in the second bearing seat.

Furthermore, the top surface and the side of frame all are equipped with the closing plate, at least one the side is equipped with the access door, be equipped with the observation window on the access door.

Furthermore, the main machine of the sand blasting machine further comprises a sand blowing device, wherein the sand blowing device is arranged above the large turntable mechanism and used for removing residues on the surface of the workpiece subjected to sand blasting.

Further, the main machine of the sand blasting machine further comprises a pneumatic system, and the pneumatic system is fixed on the rack and connected with the spray gun assembly and the sand blasting device.

Furthermore, a control device is arranged outside the rack, and the control device is electrically connected with the pneumatic system, the first driving mechanism, the second driving mechanism and the third driving mechanism.

Furthermore, the sand blasting machine further comprises an air compressor unit, a separator and a dust removal box, wherein the air compressor unit is connected with the pneumatic system, and the main machine of the sand blasting machine is connected with the separator and the dust removal box in series in sequence.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a sand blasting machine, the mechanism that adopts horizontal reciprocating motion drives the spray gun subassembly and does horizontal reciprocating motion and carry out sand blasting treatment, the spray gun subassembly is the same with the interval at every position of work piece, the sandblast distance, sandblast intensity and the sandblast volume that every position received the spray gun subassembly on the work piece are impartial, the problem that the pendulum type sandblast mode sandblast distance varies makes the sandblast dynamics inconsistent and leads to the sandblast effect inhomogeneous among the prior art has been solved simultaneously, the problem that the gravity type sandblast leads to the sandblast inhomogeneous because of the action of gravity of work piece among the prior art is solved, the sandblast is even and the effect is better; additionally, the utility model discloses still can adjust the spray direction of the spray gun on the spray gun subassembly according to actual conditions, solve the pendulum type sandblast and need calculate the gradual change distance of spray gun and work piece and debug the complicated problem of mode, easy operation is more convenient moreover. The utility model provides a sand blasting machine has synthesized the advantage of pendulum model sandblast and gravity type sandblast, can be to even sandblast of work piece, easy operation moreover, and the sandblast that are applicable to regular or irregular work piece are effectual.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of a large turntable mechanism according to an embodiment of the present invention;

fig. 3 is a schematic top view of the turntable mechanism according to the embodiment of the present invention;

fig. 4 is a sectional view of the connection between the small turntable mechanism and the large turntable mechanism in the embodiment of the present invention;

fig. 5 is a schematic structural view of a sand blasting mechanism according to an embodiment of the present invention;

fig. 6 is the embodiment of the utility model provides a connection structure schematic diagram of sand blasting machine host computer, separator and dust removal case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, fig. 1 is an overall structural schematic diagram of a main frame of a sand blasting machine according to an embodiment of the present invention, fig. 2 is a structural schematic diagram of a carousel structure, and fig. 3 is a top view of a carousel.

The utility model provides a sand blasting machine, which comprises a sand blasting machine main machine, wherein the sand blasting machine main machine comprises a frame 4, a large turntable mechanism 3, a small turntable mechanism 2, a sand blasting mechanism 5 and a tool clamp 1; the sand blasting mechanism 5 comprises a fixed frame 51, a spray gun assembly 52 and a first driving mechanism (not marked in the figure), wherein the fixed frame 51 is fixed on the frame 4, the spray gun assembly 52 is movably arranged on the fixed frame 51, and the first driving mechanism is connected with the spray gun assembly 52 so as to drive the spray gun assembly 52 to horizontally reciprocate along the length direction of the fixed frame 51; the small turntable mechanism 2 is circumferentially arranged on the large turntable mechanism 3, the small turntable mechanism 2 is connected with a second driving mechanism (not marked in the figure) for driving the small turntable mechanism 2 to rotate, and the tool clamp 1 is arranged on the small turntable mechanism 2 and can rotate along with the small turntable mechanism 2; the large turntable mechanism 3 is arranged in the frame 1 and located below the sand blasting mechanism 5, and the large turntable mechanism 3 is connected with a third driving mechanism (not marked in the figure) for driving the large turntable mechanism to rotate 3 so as to drive the small turntable mechanism 2 to move to a sand blasting area below the sand blasting mechanism 5.

Specifically, in this embodiment, the first driving mechanism is disposed on the fixing frame and connected to the spray gun assembly through a first synchronous belt; the second driving mechanisms are arranged below the large turntable mechanism 3 and connected with the small turntable mechanisms through second synchronous belts, and each second driving mechanism corresponds to one small turntable mechanism 2; the third driving mechanism is arranged below the large turntable mechanism and is connected with the large turntable mechanism through a third synchronous belt.

Through the technical scheme, when the workpiece is subjected to sand blasting, the workpiece needing sand blasting can be fixed on the tool fixture 1, the first driving mechanism drives the large turntable mechanism 3 to rotate, the large turntable mechanism 3 drives the small turntable mechanism 2 to rotate to a sand blasting area below the sand blasting mechanism 5, the spray gun assembly 52 performs sand blasting on the workpiece, the second driving mechanism drives the small turntable mechanism 3 to rotate, and then the tool fixture 1 is driven to rotate, so that the sand blasting assembly 52 performs more uniform surface treatment on the workpiece.

Specifically, as shown in fig. 5, a guide rail 53 is arranged on the fixed frame 51, the spray gun assembly includes a connecting rod 521 and a plurality of spray guns 522 arranged on the connecting rod 521, the connecting rod 521 is connected with the guide rail 53 through a slider, and the third driving mechanism drives the connecting rod to drive the spray guns 522 on the connecting rod 521 to horizontally reciprocate. In the embodiment, the nozzle used by the spray gun is a boron carbide nozzle, the nozzle is a 360-degree rotating nozzle, more than 10 spray guns can be assembled on one connecting rod, and when sand blasting is carried out, one station area can simultaneously receive a plurality of sand blasting processing treatments, so that the working efficiency is greatly increased.

Further, in order to adapt to processing of workpieces with different specifications and sizes, the small turntable mechanism and the large turntable mechanism are detachably connected, and as shown in fig. 2 and 4, the specific structure is as follows: the large turntable mechanism 3 is provided with a plurality of hole sites 31 at intervals along the circumferential direction, one hole site 31 can be correspondingly provided with a small turntable mechanism 2, the small turntable mechanism 2 comprises a small turntable 21 for installing the tool clamp 1, a small shaft 22, a first bearing seat 23, a first bearing 24 and a synchronizing wheel 25 which are fixed in the first bearing seat 23, the inner ring of the first bearing 23 corresponds to the hole site 31 on the large turntable mechanism 2, the small shaft 22 is connected with the first bearing 24 and penetrates through the hole site 31 on the large turntable mechanism 3, the top end of the small shaft 22 is fixedly connected with the small turntable 21, the bottom end of the small shaft is fixedly connected with the synchronizing wheel 25, a second driving mechanism can be connected with the synchronizing wheel through a synchronous belt, so that the small shaft is driven to drive the small turntable to rotate, and further drive the tool clamp 1 to. Further, in order to ensure the balance and the service life of the small shaft, the small turntable mechanism further comprises a small turntable support 26, a second bearing seat 27 and a second bearing 28 fixed in the second bearing seat, the small turntable support 26 is sleeved in the middle of the small shaft 22, one end of the small turntable support 26 is fixedly connected with the first bearing seat 23, the other end of the small turntable support 26 is fixedly connected with the second bearing seat 27, and the small shaft 22 is further connected with the second bearing 28; by adopting the design scheme of the double bearings, the rotation balance of the small shaft can be ensured, the rotation stability of the small shaft can also be ensured, and the design of the small turntable support can increase the use safety of the small turntable mechanism and prolong the service life of the small shaft.

As a further improvement, the main frame of the sand blasting machine further comprises a sand blowing device (not marked in the figure), wherein the sand blowing device is fixed on the frame and arranged above the large turntable mechanism and used for removing residues on the surface of the workpiece after the sand blasting process, so that the subsequent processing procedures of the workpiece after the sand blasting process can be reduced, and the efficiency of the subsequent processing of the workpiece is increased; the distance, the angle and the position of the sand blowing device can be regulated and controlled according to the actual use condition.

Furthermore, in order to facilitate the control of the air output of the spray gun assembly and the sand blowing device and meet the sand blasting requirements of workpieces of different specifications and models, the sand blasting machine further comprises a pneumatic system 6, wherein the pneumatic system 6 is fixed on the frame 4 and is respectively connected with each spray gun on the spray gun assembly and the sand blowing device.

Furthermore, in order to ensure the safety in the sand blasting process, the top surface and the side surface of the frame 4 are both provided with sealing plates, so that the influence of sand grains or dust generated in the sand blasting process on the working environment is reduced, and the working environment safety of workers is improved; in order to facilitate observation of the condition of sand blasting in the rack and maintenance of each part in the rack, at least one side surface is provided with an access door 41, the access door is also provided with an observation window 411, a sealing plate on the side surface is sealed by a carbon steel plate, and the top surface is sealed by toughened glass, so that the operation condition of a sand blasting mechanism can be observed conveniently; the access door is made of a carbon steel plate, and the observation window on the access door is made of toughened glass, so that the processing condition of the workpiece in the rack can be observed conveniently; the side of each sealing plate of the side faces towards the inside of the machine frame is also coated with rubber (not marked in the figure) for protecting the sealing plates from being impacted by particles and prolonging the service life of the sealing plates.

In order to control the host of the sand blasting machine and the sand blasting process conveniently, a control system 7 is further arranged outside the frame, the control system 7 is connected with the pneumatic system 6, the first driving mechanism, the second driving mechanism and the third driving mechanism, and the control system used in the embodiment is a PLC control system.

Further, as shown in fig. 6, the sand blasting machine includes an air compressor unit (not shown in the figure), a separator 11 and a dust box 12 in addition to the main machine of the sand blasting machine, the air compressor unit is connected with the pneumatic system 7, and the main machine of the sand blasting machine, the separator 11 and the dust box 12 are connected in series in sequence. The concrete structure can be as follows: the 4 lower parts of frame of sandblast host computer still are connected with sand collection hopper 42, the lower part and the sand return pipe 43 sealing connection of sand collection hopper 42, the one end of sand return pipe 43 is sealed, the other end and 11 intercommunications of separator, dust and sand grain accessible sand collection hopper after the sand blasting in the frame concentrate and get into the sand return pipe, then after the separation process in the separator, the great sand grain of granule carries out recycle, the dust is handled through the dust removal case, effectively solve the too big problem of staff operational environment dust. The separator used in this example is a cyclone separator.

It should be noted that, in the present embodiment, all the fixed connections are detachable fixed connections, including but not limited to threaded connections, pin connections, and the like, so as to facilitate handling or replacement of damaged parts; the first driving mechanism, the second driving mechanism and the third driving mechanism are all commonly used motors, and the third driving mechanism preferably adopts a servo motor; the sand blowing device mentioned above is mainly a sand blowing gun, and in this embodiment, the sand blowing gun used is a universal sand blowing gun.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.

Claims

1. A sand blasting machine comprises a sand blasting machine main machine, and is characterized in that the sand blasting machine main machine comprises a rack, a large turntable mechanism, a small turntable mechanism, a sand blasting mechanism and a tool clamp; the sand blasting mechanism comprises a fixed frame, a spray gun assembly and a first driving mechanism, the fixed frame is fixed on the rack, the spray gun assembly is movably arranged on the fixed frame, and the first driving mechanism is connected with the spray gun assembly so as to drive the spray gun assembly to horizontally reciprocate along the length direction of the fixed frame; the small turntable mechanism is arranged on the large turntable mechanism along the circumferential direction and is connected with a second driving mechanism for driving the small turntable mechanism to rotate, and the tool clamp is arranged on the small turntable mechanism and can rotate along with the small turntable mechanism; the large turntable mechanism is arranged in the rack and located below the sand blasting mechanism, and is connected with a third driving mechanism for driving the large turntable mechanism to rotate so as to drive the small turntable mechanism to move to a sand blasting area below the sand blasting mechanism.

2. The sand blasting machine according to claim 1, wherein a guide rail is arranged on the fixed frame, the spray gun assembly comprises a connecting rod and a spray gun, the connecting rod is connected with the guide rail through a sliding block, the spray guns are fixed on the connecting rod, and the first driving mechanism is connected with the connecting rod and used for driving the connecting rod to horizontally reciprocate along the length direction of the guide rail.

3. The sand blasting machine according to claim 1, wherein the large turntable mechanism is provided with a plurality of hole sites, the small turntable mechanism is arranged on the hole sites, and the small turntable mechanism is detachably connected with the large turntable mechanism.

4. The sand blasting machine according to claim 3, wherein the small turntable mechanism comprises a small turntable, a small shaft, a first bearing seat, a first bearing and a synchronizing wheel, one end of the small shaft is fixedly connected with the small turntable, the other end of the small shaft sequentially penetrates through an inner ring of the first bearing and the hole position and is fixedly connected with the synchronizing wheel, the first bearing is fixed in the first bearing seat, and the first bearing seat is fixedly connected with the large turntable mechanism.

5. The sand blasting machine according to claim 4, wherein the small turntable mechanism further comprises a small turntable support, a second bearing seat and a second bearing, the small turntable support is sleeved in the middle of the small shaft, one end of the small turntable support is fixedly connected with the first bearing seat, the other end of the small turntable support is fixedly connected with the second bearing seat, the small shaft further penetrates through an inner ring of the second bearing, and the second bearing is fixed in the second bearing seat.

6. The sander of claim 1, wherein the top and side surfaces of the frame are each provided with a sealing plate, at least one of the side surfaces is provided with an access door, and the access door is provided with an observation window.

7. The blasting machine according to claim 1, wherein the host machine further comprises a sand blasting device, and the sand blasting device is arranged above the large turntable mechanism and used for removing residues on the surface of the workpiece subjected to sand blasting.

8. The blasting machine according to claim 7, wherein the host machine further comprises a pneumatic system fixed to the frame and connected to the lance assembly and the sand blasting device, respectively.

9. The sander of claim 8 wherein a control device is provided external to the frame, the control device being electrically connected to the pneumatic system, the first drive mechanism, the second drive mechanism and the third drive mechanism.

10. The sand blasting machine according to claim 8 or 9, further comprising an air compressor unit, a separator and a dust box, wherein the air compressor unit is connected with the pneumatic system, and the main machine of the sand blasting machine, the separator and the dust box are connected in series in sequence.