CN116160371A - Walking type sand-blasting paint-spraying frame - Google Patents

Abstract

The invention relates to the technical field of sand-blasting paint spraying, in particular to a walking type sand-blasting paint spraying frame. The invention aims to provide a walking type sand-spraying and paint-spraying frame which can spray paint and sand on the surface of steel more uniformly and fully and can enable sand-spraying materials and paint-spraying materials to be firmly attached. A walking type sand-blasting paint-spraying frame comprises a paint-spraying frame, walking wheels, a shell plate, a self-adapting mechanism and the like; the bottom of the spraying frame is rotatably connected with four travelling wheels, the top of the spraying frame is provided with a shell plate, and the upper part of the spraying frame is provided with a self-adaptive mechanism. The staff promotes and spouts the frame start motor simultaneously for take the rolling disc to rotate, the rolling disc rotates and drives fixed T-shaped groove pole and control reciprocating motion, thereby makes sand blasting head and spray paint head control reciprocating motion, and sand blasting head and spray paint head spout sand blasting material and spray paint material respectively simultaneously, and then make sand blasting head and spray paint head more fully evenly spray out sand blasting material and spray paint to steel on.

Description

Walking type sand-blasting paint-spraying frame

Technical Field

The invention relates to the technical field of sand-blasting paint spraying, in particular to a walking type sand-blasting paint spraying frame.

Background

In the process of processing the metal steel, the metal steel is required to be sandblasted and sprayed, so that the surface of the steel has certain wear resistance, corrosion resistance and different roughness, the shapes of the steel are different, and the metal steel consists of continuous inclined planes and planes, and is in a zigzag structure as a whole.

At present, when the steel with a zigzag structure is subjected to sand blasting and paint spraying, the steel surface is generally aligned to the sand blasting gun and the paint spraying gun for sand blasting, but because the steel is in a zigzag structure, the height between the sand blasting gun and the paint spraying gun and the steel surface is difficult to keep, more spraying is carried out on the steel surface at a place far away from the spray nozzle, less spraying is carried out on the steel surface at a place far away from the spray nozzle, so that sand blasting and paint spraying are not uniform enough and insufficient, the roughness of the steel after sand blasting and paint spraying is caused, the durability of the steel is influenced, in addition, a plurality of sand blasting materials and paint spraying materials can be dissipated in the sand blasting and paint spraying process, the dissipated sand blasting materials and paint spraying materials can fall on the steel surface, and the sand blasting materials and paint spraying materials can block the sand blasting materials and the paint spraying materials sprayed subsequently from the spray nozzle, so that the adhesion of the sand blasting materials and the paint spraying materials sprayed subsequently is not firm enough.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a walking type sand-spraying and paint-spraying frame which can spray paint and sand on the surface of steel more uniformly and fully and can ensure that sand-spraying materials and paint-spraying materials are more firmly adhered.

The technical proposal is as follows: a walking type sand-blasting paint-spraying frame comprises a paint-spraying frame, walking wheels, a shell plate, a self-adapting mechanism and a sand-blasting paint-spraying mechanism;

the bottom of the spray frame is rotatably connected with four travelling wheels;

the top of the spray frame is provided with an outer shell plate which is used for blocking the sand blasting material and the paint spraying material;

the upper part of the spraying frame is provided with the self-adaptive mechanism which is used for adapting to the structure of steel; the self-adaptive mechanism is provided with a sand-blasting paint-spraying mechanism which is used for sand-blasting paint-spraying on steel.

Further, the self-adaptive mechanism comprises a sliding guide block, a lifting bar, a transverse sliding rod and a universal pulley, two moving grooves are formed in the top of the spraying frame, three sliding guide blocks are connected to the moving grooves of the spraying frame in a sliding mode, the three sliding guide blocks are in a group, the lifting bar is connected to the sliding guide blocks in a sliding mode, the transverse sliding rod is connected to the bottom of the lifting bar in a sliding mode, and the universal pulley is connected to the bottom of the transverse sliding rod in a rotating mode.

Further, the sand blasting and paint spraying mechanism comprises an input pipe, a fixed vertical pipe, a fixed arc pipe, a sand blasting head, a paint spraying head and a connecting hose, wherein each group of sliding guide blocks are fixedly connected with the input pipe, two input pipes are symmetrically arranged, the fixed vertical pipes are fixedly connected to three transverse sliding rods, the fixed arc pipe is fixedly connected to the other three transverse sliding rods, the upper end and the lower end of the fixed arc pipe are fixedly connected with the sand blasting head, the fixed arc pipe is communicated with the sand blasting head, the upper end and the lower end of the fixed vertical pipe are fixedly connected with the paint spraying head, the fixed vertical pipe is communicated with the paint spraying head, the fixed arc pipe and the lower end of the fixed vertical pipe are fixedly connected with the connecting hose, the fixed arc pipe and the fixed vertical pipe are communicated with the upper end of the connecting hose, and the upper end of the connecting hose is communicated with the input pipe.

Further, the connecting hose is made of soft materials.

Further, the spraying frame comprises a reciprocating mechanism, the upper portion of the spraying frame is provided with the reciprocating mechanism, the reciprocating mechanism comprises a fixed supporting plate, a motor, a rotating disc, a fixed connecting frame and a fixed T-shaped groove rod, the fixed supporting plate is fixedly connected to the upper portion of the spraying frame, the motor is fixedly connected to the fixed supporting plate, the rotating disc is fixedly connected to an output shaft of the motor, a small cylinder is fixedly connected to one side of the rotating disc, far away from the motor, of the rotating disc, a fixed connecting frame is fixedly connected between six sliding guide blocks, the fixed T-shaped groove rod is fixedly connected to the fixed connecting frame, a sliding groove is formed in the fixed T-shaped groove rod, and the small cylinder on the rotating disc is connected with the sliding groove on the fixed T-shaped groove rod in a sliding mode.

The wave-shaped reciprocating mechanism is arranged on the upper portion of the spraying frame and comprises a fixed rod and a fixed wave-shaped groove rod, the fixed rod is fixedly connected to the transverse sliding rod, six fixed wave-shaped groove rods are fixedly connected to the upper portion of the spraying frame, wave-shaped grooves are formed in the fixed wave-shaped groove rods, and the upper portion of the fixed rod is connected with the wave-shaped grooves on the fixed wave-shaped groove rods in a sliding mode.

Further, the sand spraying device comprises a sand sucking mechanism, wherein the sand spraying frame is provided with the sand sucking mechanism, the sand sucking mechanism comprises a fixed seat and a main sand sucking pipe, the upper part of the sand spraying frame is fixedly connected with two fixed seats, the two fixed seats are symmetrically placed, and the main sand sucking pipe is fixedly connected between the two fixed seats.

Further, the sand control device comprises a sand control mechanism, the sand control mechanism is arranged on the spraying frame and comprises a fixing support rod, a fixing curtain, a fixing plate, an auxiliary sand suction pipe and a fastening bolt, the fixing support rod is fixedly connected to the upper portion of the spraying frame, four threaded holes are formed in the fixing support rod, four threaded holes are also formed in the fixing plate, the fixing support rod is connected with the fixing plate through the fastening bolt, the fixing curtain is placed between the fixing support rod and the fixing plate, the auxiliary sand suction pipe is fixedly connected to the main sand suction pipe, and the main sand suction pipe is communicated with the auxiliary sand suction pipe.

The beneficial effects are that:

in the process that the worker pushes the spraying frame, the spraying head moves to the upper part of the plane of the steel, the spraying head sprays spraying sand, the worker continues pushing the spraying frame, the spraying head and the spraying head move to the inclined plane of the steel, the spraying height between the spraying head and the steel is kept unchanged, and the spraying paint sprayed by the spraying head and the spraying head can be better attached to the surface of the steel; the staff continues to promote and spouts the frame to the plane top of steel for sand blasting head and spray head are continuous to carry out sand blasting and spray paint to steel.

In addition, the rotating disc rotates to drive the fixed T-shaped groove rod to move left and right in a reciprocating mode, so that the sand blasting head and the paint spraying head move left and right in a reciprocating mode, meanwhile, sand blasting materials and paint spraying materials are sprayed out of the sand blasting head and the paint spraying head respectively, and further, the sand blasting materials and the paint spraying materials are sprayed out of the steel more fully and evenly.

In addition, when dead lever, horizontal sliding rod, sand blasting head and paint spraying head left and right reciprocating motion, the dead lever can reciprocate back and forth along the wave-shaped groove of fixed wave-shaped groove pole about reciprocating motion for dead lever, horizontal sliding rod, sand blasting head and paint spraying head reciprocate back and forth when reciprocating motion about, thereby make the scope that sand blasting head and paint spraying head sprayed further enlarge, further make sand blasting head and paint spraying head spray out sand blasting material and paint spraying head more evenly on the steel.

In addition, when the sand blasting head sprays sand blasting materials, the main sand suction pipe can adsorb little sand blasting materials scattered to the front of the sand blasting head, so that the subsequently sprayed sand blasting materials can be directly sprayed on the surface of steel, the sand blasting materials can be firmly attached to the surface of the steel, and the sand blasting quality is improved.

In addition, when fixed curtain blocks a small amount of sand blasting material that escapes to the sand blasting head rear, the auxiliary sand suction pipe can adsorb a small amount of sand blasting material that escapes to the sand blasting head rear, and the fixed curtain can block sand blasting material that the auxiliary sand suction pipe probably does not adsorb to the sand blasting material of more thoroughly adsorb sand blasting material that escapes to the steel surface, reduce the residual unnecessary sand blasting material on the steel surface, be convenient for follow-up better to the steel to spray paint.

Drawings

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

Fig. 2 is a schematic perspective view of a first part of the reciprocating mechanism of the present invention.

Fig. 3 is a schematic perspective view of a second part of the reciprocating mechanism of the present invention.

Fig. 4 is a schematic view of a part of a perspective structure of the adaptive mechanism of the present invention.

Fig. 5 is a schematic perspective view of the self-adapting mechanism and the sand-blasting and paint-spraying mechanism of the present invention.

Fig. 6 is a schematic perspective view of the reciprocating mechanism and the wave-shaped reciprocating mechanism of the present invention.

FIG. 7 is a schematic perspective view of the sand sucking mechanism and the sand preventing mechanism of the present invention.

FIG. 8 is a schematic perspective view of a portion of the sand control mechanism of the present invention.

The marks of the components in the drawings are as follows: 1: spray rack, 2: walking wheels, 3: shell plate, 41: slide guide block, 42: lifting bar, 43: transverse slide bar, 44: universal pulley, 51: input tube, 52: fixed vertical tube, 53: fixed arced tube, 54: sandblasting head, 55: paint spray head, 56: connection hose, 61: fixed support plate, 62: motor, 63: rotating disk, 64: fixed connection frame, 65: fixed T-slot bar, 71: fixing rod, 72: fixing the wave-shaped groove bar, 81: fixing base, 82: main sand suction tube, 91: fixing struts, 92: fixed curtain, 93: fixing plate, 94: auxiliary sand suction pipe, 95: and (5) fastening a bolt.

Detailed Description

Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.

Example 1

The utility model provides a walking sandblast frame of spraying paint, as shown in fig. 1-5, including spraying 1, walking wheel 2, the ectoderm 3, adaptive mechanism and sandblast mechanism of spraying paint, it is connected with four walking wheels 2 to spout 1 bottom rotation, and it has ectoderm 3 to spout 1 top through bolted connection, spouts 1 upper portion and is equipped with adaptive mechanism, and adaptive mechanism is used for adapting to the structure of steel, is equipped with sandblast mechanism of spraying paint on the adaptive mechanism, and sandblast mechanism of spraying paint is used for carrying out sandblast to steel.

The self-adaptive mechanism comprises a sliding guide block 41, a lifting bar 42, a transverse sliding rod 43 and a universal pulley 44, wherein two moving grooves are formed in the top of the spraying frame 1, three sliding guide blocks 41 are connected onto the moving grooves of the spraying frame 1 in a sliding mode, the three sliding guide blocks 41 are in a group, the lifting bar 42 is connected onto the sliding guide blocks 41 in a sliding mode, the lifting bar 42 is arranged vertically, the transverse sliding rod 43 is connected onto the bottom of the lifting bar 42 in a sliding mode, and the universal pulley 44 is connected onto the bottom of the transverse sliding rod 43 in a rotating mode.

The sand-blasting paint spraying mechanism comprises input pipes 51, fixed vertical pipes 52, fixed arc pipes 53, sand-blasting heads 54, paint-spraying heads 55 and connecting hoses 56, wherein one input pipe 51 is fixedly connected between each group of sliding guide blocks 41, two input pipes 51 are symmetrically arranged, one input pipe 51 is used for conveying sand-blasting materials, the other input pipe 51 is used for conveying paint-spraying materials, the fixed vertical pipes 52 are fixedly connected to three transverse sliding rods 43, the fixed vertical pipes 52 are vertically arranged, the fixed arc pipes 53 are fixedly connected to the other three transverse sliding rods 43, the fixed arc pipes 53 are vertically arranged, the upper ends and the lower ends of the fixed arc pipes 53 are fixedly connected with the sand-blasting heads 54, the fixed arc pipes 53 are communicated with the sand-blasting heads 54, the upper ends and the lower ends of the fixed vertical pipes 52 are fixedly connected with the paint-spraying heads 55, the fixed arc pipes 53 are fixedly connected with the connecting hoses 56, the connecting hoses 56 are soft materials, the fixed arc pipes 53 and the fixed vertical pipes 52 are communicated with the upper ends of the connecting hoses 56, and the upper ends of the connecting hoses 56 are communicated with the input pipes 54.

Initially, the steel is in a zigzag structure, the steel is provided with a plurality of inclined planes and planes, a worker puts the steel between four travelling wheels 2, the steel contacts the bottom of a universal pulley 44 close to one side of a fixed arc-shaped pipe 53, an initial sand blasting head 54 is aligned with one side edge of the steel, firstly, the worker introduces sand blasting materials into an input pipe 51 close to one side of the fixed arc-shaped pipe 53, then the sand blasting materials flow into a group of connecting hoses 56 close to one side of the fixed arc-shaped pipe 53, then the sand blasting materials flow into the sand blasting head 54, finally the sand blasting head 54 sprays the sand blasting materials, so that the sand blasting materials are sprayed onto the steel, then the worker slowly pushes a spray frame 1, the four travelling wheels 2 are horizontally moved while rotating under the thrust of the worker, the four travelling wheels 2 horizontally move to drive a shell plate 3 to horizontally move, simultaneously, the four travelling wheels 2 horizontally move to drive the universal pulley 44 horizontally move, the universal pulley 44 horizontally move to drive the transverse sliding rod 43 horizontally move, the transverse sliding rod 43 horizontally move to drive the fixed arc-shaped pipe 53 horizontally move, the fixed arc-shaped pipe 53 horizontally move to drive the sand blasting head 54 horizontally move, the transverse sliding rod 43 horizontally move to drive the fixed vertical pipe 52 horizontally move, the fixed vertical pipe 52 horizontally move to drive the paint spraying head 55 horizontally move, the fixed arc-shaped pipe 53 and the fixed vertical pipe 52 horizontally move to drive the connecting hose 56 horizontally move, when the paint spraying head 55 moves to the edge of one side of steel, a worker leads paint spraying material into the input pipe 51 near one side of the fixed vertical pipe 52, then paint spraying material flows into the connecting hose 56 near one side of the fixed vertical pipe 52, then paint spraying material flows into the paint spraying head 55, finally the paint spraying head 55 sprays paint spraying material, so that the paint spraying material is sprayed on the steel; the worker continues to push the spray frame 1 to move above the inclined plane of the steel, the bottom of the universal pulley 44 close to one side of the sand blasting head 54 is contacted with the inclined plane of the steel, the inclined plane of the steel extrudes the universal pulley 44 to move upwards along the inclined plane of the steel, the universal pulley 44 close to the direction of the sand blasting head 54 is driven to move upwards along the inclined plane of the steel, the transverse sliding rod 43 close to the direction of the sand blasting head 54 is driven to move upwards along the lifting bar 42 close to the direction of the fixed arc tube 53, the transverse sliding rod 43 close to the direction of the sand blasting head 54 is driven to move upwards, the fixed arc tube 53 is driven to move upwards, the connecting hose 56 is slightly deformed by the upward movement of the fixed arc tube 53, the spray height between the sand blasting head 54 and the steel is kept unchanged, so that the sand blasting material sprayed by the sand blasting head 54 can be better attached to the surface of the steel, when the spray head 55 moves to the inclined plane of the steel, the bottom of the universal pulley 44 close to one side of the spray head 55 is driven to contact with the inclined plane of the steel, the universal pulley 44 close to the steel is driven to move upwards along the inclined plane of the steel, the universal pulley 44 close to the direction of the spray head 55 is driven to move upwards along the inclined plane of the steel, the universal pulley 44 close to the direction of the steel is driven to move upwards along the universal pulley 55 is driven to move upwards along the inclined plane of the steel, and the spray the steel is kept upwards along the steel, and the spray height between the spray paint is kept at a vertical height between the spray pipe 52 and the steel is kept unchanged upwards along the steel is kept at a higher level when is kept constant; the worker continues to push the spray frame 1 onto the plane of the steel material, the universal pulley 44 on the side close to the spray head 54 is separated from contact with the inclined plane of the steel material, the inclined plane does not squeeze the universal pulley 44 on the side close to the spray head 54, the universal pulley 44 on the side close to the spray head 54 is reset downwards under the action of gravity, the fixed arc-shaped pipe 53 and the spray head 54 are reset downwards, the fixed arc-shaped pipe 53 is reset downwards, the connecting hose 56 is reset, the spray head 54 sprays the spray on the horizontal steel material again, when the spray head 55 moves onto the plane of the steel material, the worker continues to push the spray frame 1, the universal pulley 44 on the side close to the spray head 55 is separated from contact with the inclined plane of the steel material, the inclined plane does not squeeze the universal pulley 44 on the side close to the spray head 55, the universal pulley 44 on the side close to the spray head 55 is reset downwards under the action of gravity, the fixed vertical pipe 52 and the spray head 55 are reset downwards, and the fixed vertical pipe moves downwards so that the connecting hose 56 is reset, and the spray head 55 is reset again on the horizontal steel material again, and the spray head 54 and the spray on the steel material continuously.

Example 2

On the basis of embodiment 1, as shown in fig. 5-6, the spraying frame further comprises a reciprocating mechanism, the upper part of the spraying frame 1 is provided with the reciprocating mechanism, the reciprocating mechanism comprises a fixed supporting plate 61, a motor 62, a rotating disc 63, a fixed connecting frame 64 and a fixed T-shaped groove rod 65, the upper part of the spraying frame 1 is connected with the fixed supporting plate 61 through rivets, the fixed supporting plate 61 is connected with the motor 62 through bolts, the rotating disc 63 is fixedly connected with the upper output shaft of the motor 62, one side of the rotating disc 63 far away from the motor 62 is fixedly connected with a small cylinder, the fixed connecting frame 64 is welded between the six sliding guide blocks 41, the fixed connecting frame 64 is welded with the fixed T-shaped groove rod 65, the fixed T-shaped groove rod 65 is provided with a sliding groove, and the small cylinder on the rotating disc 63 is connected with the sliding groove on the fixed T-shaped groove rod 65 in a sliding manner.

After the worker lets in the sand blasting material, the small cylinder on the initial rotating disc 63 is positioned in the middle of the sliding groove on the fixed T-shaped groove rod 65, the worker starts the motor 62 to push the spraying frame 1, the motor 62 drives the output shaft to rotate clockwise, the output shaft rotates clockwise to drive the rotating disc 63 to rotate clockwise, the rotating disc 63 rotates clockwise to drive the small cylinder on the rotating disc 63 to rotate clockwise, the small cylinder on the rotating disc 63 rotates clockwise to drive the fixed T-shaped groove rod 65 to move horizontally in a direction away from the fixed support plate 61, the fixed T-shaped groove rod 65 moves to drive the fixed connecting frame 64 to move horizontally in a direction away from the fixed support plate 61, and the fixed connecting frame 64 moves to drive the sand blasting head 54 and the paint spraying head 55 to move horizontally in a direction away from the fixed support plate 61; when the small cylinder on the rotating disc 63 continues to rotate clockwise, the small cylinder rotates clockwise to drive the fixed T-shaped groove rod 65 to horizontally move and reset in the direction away from the fixed support plate 61, the fixed T-shaped groove rod 65 horizontally moves and resets in the direction away from the fixed support plate 61 to drive the fixed connecting frame 64 to horizontally move and reset in the direction close to the fixed support plate 61, the fixed connecting frame 64 horizontally moves and resets in the direction close to the fixed support plate 61 to drive the sand blasting head 54 and the paint spraying head 55 to horizontally move in the direction close to the fixed support plate 61, the fixed connecting frame 64 horizontally reciprocates left and right, the fixed connecting frame 64 horizontally reciprocates to drive the sand blasting head 54 and the paint spraying head 55 horizontally, and the sand blasting head 54 and the paint spraying head 55 respectively spray sand blasting material and paint spraying material, so that the sand blasting head 54 and the paint spraying head 55 spray sand blasting material and steel material more uniformly and fully, and the sand blasting and paint spraying quality are further improved.

Example 3

On the basis of the embodiment 1, as shown in fig. 5-6, the wave-shaped reciprocating mechanism is further included, the wave-shaped reciprocating mechanism is arranged on the upper portion of the spraying frame 1, the wave-shaped reciprocating mechanism comprises a fixed rod 71 and a fixed wave-shaped groove rod 72, the fixed rod 71 is welded on the transverse sliding rod 43, six fixed wave-shaped groove rods 72 are connected to the upper portion of the spraying frame 1 through bolts, wave-shaped grooves are formed in the fixed wave-shaped groove rod 72, and the upper portion of the fixed rod 71 is connected with the wave-shaped grooves in the fixed wave-shaped groove rod 72 in a sliding mode.

When the fixed connecting frame 64 reciprocates left and right, the fixed connecting frame 64 drives the sliding guide block 41 to reciprocate left and right, the sliding guide block 41 reciprocates left and right to drive the lifting bar 42, the transverse sliding rod 43 and the fixed rod 71 to reciprocate left and right, the fixed rod 71 reciprocates back and forth along the wave-shaped groove of the fixed wave-shaped groove rod 72, so that the fixed rod 71, the transverse sliding rod 43, the sand-blasting head 54 and the paint-spraying head 55 reciprocate back and forth while reciprocating left and right, the spraying range of the sand-blasting head 54 and the paint-spraying head 55 is further enlarged, and the sand-blasting head 54 and the paint-spraying head 55 spray sand-blasting materials and paint-spraying materials more uniformly onto steel materials.

Example 4

On the basis of embodiment 1, as shown in fig. 5 and 7, the sand-sucking mechanism is further included, the sand-sucking mechanism is arranged on the spray frame 1, the sand-sucking mechanism comprises a fixing seat 81 and a main sand-sucking pipe 82, two fixing seats 81 are connected to the upper portion of the spray frame 1 through bolts, the two fixing seats 81 are symmetrically placed, and the main sand-sucking pipe 82 is fixedly connected between the two fixing seats 81.

One side of the main sand suction pipe 82, which is close to the fixing seat 81, is connected with an external dust collector, when the sand blasting head 54 sprays sand blasting materials, most of the sand blasting materials are firmly attached to the steel surface, a small part of the sand blasting materials can be scattered to the front of the sand blasting head 54, then a worker starts the external dust collector, so that the main sand suction pipe 82 adsorbs the sand blasting materials with a small part of the sand blasting materials scattered to the front of the sand blasting head 54, the subsequently sprayed sand blasting materials can be directly sprayed to the steel surface, and therefore the sand blasting materials are firmly attached to the steel surface, and the sand blasting quality is improved.

Example 5

On the basis of embodiment 4, as shown in fig. 5, 7 and 8, the sand control mechanism is further included, the sand control mechanism is arranged on the sand spraying frame 1, the sand control mechanism comprises a fixing support rod 91, a fixing curtain 92, a fixing plate 93, a secondary sand sucking pipe 94 and a fastening bolt 95, the fixing support rod 91 is welded on the upper portion of the sand spraying frame 1, four threaded holes are formed in the fixing support rod 91, four threaded holes are also formed in the fixing plate 93, the fixing support rod 91 is connected with the fixing plate 93 through the fastening bolt 95, the fixing curtain 92 is placed between the fixing support rod 91 and the fixing plate 93, the fixing curtain 92 is of a rectangular structure, the secondary sand sucking pipe 94 is fixedly connected to the primary sand sucking pipe 82, the primary sand sucking pipe 82 is communicated with the secondary sand sucking pipe 94, and the secondary sand sucking pipe 94 is located between the fixing curtain 92 and the primary sand sucking pipe 82.

When the sand blasting head 54 sprays sand blasting materials, a small part of sand blasting materials can be scattered to the rear of the sand blasting head 54, a worker starts a dust collector, the auxiliary sand suction pipe 94 can absorb a small part of sand blasting materials scattered to the rear of the sand blasting head 54, the auxiliary sand suction pipe 94 can block the sand blasting materials possibly not absorbed by the auxiliary sand suction pipe 94, thereby more thoroughly absorbing the sand blasting materials scattered to the surface of steel, residual redundant sand blasting materials on the surface of steel are reduced, the subsequent better spray painting treatment on the steel is facilitated, when the sand blasting materials on the fixed curtain 92 are adhered to a certain amount, the worker unscrews the fastening bolt 95 and then changes the fixed curtain 92, so that the worker places a new fixed curtain 92 between the fixed support rod 91 and the fixed plate 93, and then the worker tightens the fastening bolt 95, so that the fixed support rod 91 and the fixed plate 93 are re-fixed on the fixed curtain 92.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a walking sandblast spray-paint rack which characterized in that: comprises a spray frame (1), a travelling wheel (2), a shell plate (3), a self-adaptive mechanism and a sand-blasting and paint-spraying mechanism;

the bottom of the spraying frame (1) is rotatably connected with four travelling wheels (2);

the top of the spray frame (1) is provided with an outer shell plate (3), and the outer shell plate (3) is used for blocking sand blasting materials and paint spraying materials;

the upper part of the spraying frame (1) is provided with a self-adaptive mechanism which is used for adapting to the structure of steel;

the self-adaptive mechanism is provided with a sand-blasting paint-spraying mechanism which is used for sand-blasting paint-spraying on steel.

2. A walk behind blast painting rack as claimed in claim 1, wherein: the self-adaptive mechanism comprises a sliding guide block (41), a lifting bar (42), a transverse sliding rod (43) and a universal pulley (44), wherein two moving grooves are formed in the top of the spraying frame (1), three sliding guide blocks (41) are connected to the moving grooves of the spraying frame (1) in a sliding mode, the three sliding guide blocks (41) are in a group, the lifting bar (42) is connected to the sliding guide blocks (41) in a sliding mode, the transverse sliding rod (43) is connected to the bottom of the lifting bar (42) in a sliding mode, and the universal pulley (44) is connected to the bottom of the transverse sliding rod (43) in a rotating mode.

3. A walk behind blast painting rack as claimed in claim 2, wherein: the sand blasting paint spraying mechanism comprises an input pipe (51), fixed vertical pipes (52), fixed arc pipes (53), sand blasting heads (54), paint spraying heads (55) and connecting hoses (56), wherein one input pipe (51) is fixedly connected between each group of sliding guide blocks (41), two input pipes (51) are symmetrically arranged, each of three transverse sliding rods (43) is fixedly connected with one fixed vertical pipe (52), each of the other three transverse sliding rods (43) is fixedly connected with one fixed arc pipe (53), the upper end and the lower end of each fixed arc pipe (53) are fixedly connected with the sand blasting heads (54), each fixed arc pipe (53) is communicated with the sand blasting heads (54), each fixed vertical pipe (52) is fixedly connected with the paint spraying heads (55), each fixed arc pipe (53) is fixedly connected with the lower end of each fixed vertical pipe (52) with the connecting hose (56), each fixed arc pipe (53) is fixedly connected with the upper end of each connecting hose (56), and each fixed vertical pipe (52) is communicated with the upper end of each connecting hose (56).

4. A walk behind blast painting rack according to claim 3, wherein: the connecting hose (56) is made of soft material.

5. A walk behind blast painting rack according to claim 3, wherein: the spraying device comprises a spraying frame (1), and is characterized by further comprising a reciprocating mechanism, wherein the upper portion of the spraying frame (1) is provided with the reciprocating mechanism, the reciprocating mechanism comprises a fixed supporting plate (61), a motor (62), a rotating disc (63), a fixed connecting frame (64) and a fixed T-shaped groove rod (65), the fixed supporting plate (61) is fixedly connected to the upper portion of the spraying frame (1), the motor (62) is fixedly connected to the fixed supporting plate (61), the rotating disc (63) is fixedly connected to the upper output shaft of the motor (62), one side of the rotating disc (63) far away from the motor (62) is fixedly connected with a small cylinder, a fixed connecting frame (64) is fixedly connected between six sliding guide blocks (41), a fixed T-shaped groove rod (65) is fixedly connected to the fixed connecting frame (64), a sliding groove is formed in the fixed T-shaped groove rod (65), and the small cylinder on the rotating disc (63) is connected with the sliding groove on the fixed T-shaped groove rod (65) in a sliding mode.

6. A walk behind blast painting rack as claimed in claim 5, wherein: the spraying device comprises a spraying frame (1), and is characterized by further comprising a waveform reciprocating mechanism, wherein the waveform reciprocating mechanism is arranged on the upper portion of the spraying frame (1) and comprises a fixed rod (71) and a fixed waveform groove rod (72), the fixed rod (71) is fixedly connected to the transverse sliding rod (43), six fixed waveform groove rods (72) are fixedly connected to the upper portion of the spraying frame (1), waveform grooves are formed in the fixed waveform groove rods (72), and the upper portion of the fixed rod (71) is connected with the waveform grooves on the fixed waveform groove rods (72) in a sliding mode.

7. A walk behind blast painting rack as claimed in claim 6, wherein: still including sand sucking mechanism, be equipped with sand sucking mechanism on spouting frame (1), sand sucking mechanism is including fixing base (81) and main sand sucking pipe (82), spouts two fixing bases (81) of frame (1) upper portion fixedly connected with, and two fixing bases (81) are the symmetry and place, fixedly connected with main sand sucking pipe (82) between two fixing bases (81).

8. A walk behind blast painting rack as claimed in claim 7, wherein: still including sand control mechanism, be equipped with sand control mechanism on spouting frame (1), sand control mechanism is including fixed branch (91), fixed curtain (92), fixed plate (93), vice sand sucking pipe (94) and fastening bolt (95), it has fixed branch (91) to spout frame (1) upper portion fixedly connected with, it has four screw holes to open on fixed branch (91), also open on fixed plate (93) four screw holes, fixed branch (91) are connected through fastening bolt (95) with fixed plate (93), fixed curtain (92) have been placed between fixed branch (91) and fixed plate (93), fixedly connected with vice sand sucking pipe (94) on main sand sucking pipe (82), main sand sucking pipe (82) and vice sand sucking pipe (94) intercommunication.

Images