CN219054059U - Sand blasting equipment suitable for steel pipe with indefinite length - Google Patents
Sand blasting equipment suitable for steel pipe with indefinite length Download PDFInfo
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- CN219054059U CN219054059U CN202320081529.5U CN202320081529U CN219054059U CN 219054059 U CN219054059 U CN 219054059U CN 202320081529 U CN202320081529 U CN 202320081529U CN 219054059 U CN219054059 U CN 219054059U
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- sand blasting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of sand blasting treatment of inner walls of steel pipes, in particular to sand blasting equipment suitable for steel pipes with indefinite length, which comprises a fixed chamber, a movable chamber and a sand blasting chamber which are sequentially arranged from left to right, wherein the movable chamber and the sand blasting chamber can move along the left-right direction, and a long-strip spray gun extending along the left-right direction is fixed on the sand blasting chamber; the fixed chamber and the movable chamber are used for clamping the steel pipe and driving the steel pipe to rotate, the movable chamber is internally provided with a shaft hole for the spray gun to pass through, and the spray gun is used for extending into the inner cavity of the steel pipe and carrying out sand blasting; one side of the sandblasting room, which is close to the movable room, is fixedly connected with a support structure, the support structure moves along with the sandblasting room, and the support structure supports the spray gun. The spray gun is supported by the support structure which moves along with the sand blasting chamber, so that the sand blasting chamber can be closer to the moving chamber, the length of the spray gun is reduced, the cost is reduced, and the spray gun is easier to maintain stable.
Description
Technical Field
The utility model relates to the technical field of sand blasting treatment of inner walls of steel pipes, in particular to sand blasting equipment suitable for steel pipes with variable lengths.
Background
The sand blasting machine for inner wall of steel pipe is to spray sand on the surface of workpiece with compressed air at high speed to impact with metal surface for eliminating impurity, rust, welding slag, etc. on the surface of steel pipe, to make the surface of workpiece possess certain roughness, to raise the anticorrosive life of spraying, to eliminate the residual stress of workpiece surface, to raise the fatigue strength of workpiece.
The inner wall sand blasting equipment of the steel pipe commonly used in the industry at present can process a plurality of steel pipes simultaneously, and is suitable for steel pipes with different lengths. The steel pipe inner wall shot blasting machine comprises a steel pipe fixing device, a shot blasting device, a steel pipe conveying device and a steel shot recycling device, wherein the steel pipe fixing device comprises a main moving vehicle and an auxiliary moving vehicle, the main moving vehicle and the auxiliary moving vehicle are rotatably provided with rotating shafts, the rotating shafts are provided with shaft holes, the inner ends of the rotating shafts are provided with clamping claws for fixing the steel pipes, and the steel pipes can be fixed between the main moving vehicle and the auxiliary moving vehicle; the shot blasting device comprises a shot blasting trolley, a tubular spray gun and a shot blasting tank connected with the spray gun are arranged on the shot blasting trolley, a spray head is arranged at the front end of the spray gun, and the spray gun can extend into and penetrate through a shaft hole of a rotating shaft in the main moving trolley. The steel pipe inner wall shot blasting machine of this patent folds through the synchronous motion in opposite directions of main locomotive and vice locomotive at first when the operation, makes the fixed steel pipe of jack catch at both ends, then gets into in the steel pipe through the shaft hole of pivot to from the one end of steel pipe to the other end of gradually moving, the in-process that the spray gun marched, the steel shot in the shot blasting jar spouted the inner wall of steel pipe through the spray gun, the in-process that the spray gun was marched, the steel pipe was rotatory simultaneously, makes the clearance scope of peening operation can cover the whole inner wall of steel pipe. In the patent, a main moving vehicle is positioned between an auxiliary moving vehicle and a shot blasting trolley, a spray gun is long and acts on a steel pipe after passing through the main moving vehicle from the shot blasting trolley, the steel pipe is subjected to shot blasting from one end to the other end, and the length of the spray gun is required to be very high; in addition, in order to support the spray gun, a supporting device is further arranged between the shot blasting trolley and the main moving trolley, obviously, the shot blasting trolley cannot pass through the supporting device, when the spray head of the spray gun reaches the far end of the steel pipe, the shot blasting trolley still has a large distance from the main moving trolley, the length requirement on the spray gun is higher, the cost of the spray gun can be obviously increased, the spray gun is too long, the spray gun is not beneficial to the position accuracy of the spray gun, the spray gun can be in contact with the inner wall of the steel pipe, and the inner wall of the steel pipe is scratched.
Disclosure of Invention
The utility model improves the problems existing in the prior art, namely the technical problem to be solved by the utility model is to provide a sand blasting device suitable for steel pipes with different sizes, which comprises a fixed chamber, a movable chamber and a sand blasting chamber which are sequentially arranged from left to right, wherein the movable chamber and the sand blasting chamber can both move along the left-right direction, and a long-strip-shaped spray gun extending along the left-right direction is fixed on the sand blasting chamber; the fixed chamber and the movable chamber are used for clamping the steel pipe and driving the steel pipe to rotate, the movable chamber is internally provided with a shaft hole for the spray gun to pass through, and the spray gun is used for extending into the inner cavity of the steel pipe and carrying out sand blasting; one side of the sandblasting room, which is close to the movable room, is fixedly connected with a support structure, the support structure moves along with the sandblasting room, and the support structure supports the spray gun.
As a preferable mode of the utility model, the spray gun comprises a cylindrical gun rod and a spray head fixed at one end of the gun rod far away from the sand blasting chamber, wherein the spray head is in a conical shape with a thin left end and a thick right end, and a supporting device is arranged on the peripheral wall of the spray head and can be opened and closed; the maximum width of the supporting device along the radial direction of the gun rod is smaller than the peripheral diameter of the gun rod when the supporting device is in a folded state; the supporting device is used for abutting against the inner wall of the steel pipe when in an open state.
Preferably, the outermost end of the supporting device in the open state is provided with a ball, the ball is used for abutting against the inner wall of the steel pipe, and the ball can rotate in any direction.
As a preferred mode of the utility model, the supporting device comprises a supporting component which is arranged on the peripheral wall of the spray head in a circumferential array manner, the supporting component comprises a supporting rod, a telescopic rod and a remote controller, the right end of the supporting rod is rotatably connected to the peripheral wall of the spray head, the left end of the supporting rod is a free end, the left end of the telescopic rod is rotatably connected to the peripheral wall of the spray head, the right end of the telescopic rod is rotatably connected with a rod body of the supporting rod, the telescopic rod stretches to push the supporting rod to swing away from the spray head, and the telescopic rod contracts to push the supporting rod to swing towards the spray head; the ball is arranged at the left end of the supporting rod and can rotate relative to the supporting rod, and the remote controller can receive the instruction and control the telescopic rod to extend and retract.
Preferably, the support rod is provided with a bar-shaped groove which is penetrated left and right, a shaft rod which is vertical to the left and right direction is fixed in the bar-shaped groove, and the telescopic rod is rotationally connected with the shaft rod.
Preferably, the left end of the supporting rod is provided with a containing groove for containing the balls, a limiting flange is arranged at the notch of the containing groove, the diameter of a circular space surrounded by the limiting flange is smaller than that of the balls, most of the balls are positioned in the containing groove and limited by the limiting flange, and a small part of the balls penetrate through the space surrounded by the limiting flange and extend out of the containing groove.
Preferably, a compression spring is disposed in the accommodation groove, and the compression spring is located between the ball and the groove bottom of the accommodation groove.
As the preferable mode of the utility model, the support structure comprises a transverse support plate and a longitudinal support plate, wherein the right side of the transverse support plate is fixedly connected with the sand blasting chamber, the lower side of the longitudinal support plate is fixedly connected with the left side of the transverse support plate, and the upper side of the longitudinal support plate is provided with an arc-shaped support groove correspondingly matched with the gun rod pair.
In the present utility model, a reinforcing rib plate is provided between the lateral support plate and the longitudinal support plate.
The beneficial effects are that:
the spray gun is supported by the support structure which moves along with the sand blasting chamber, a support mechanism with fixed positions is arranged between the sand blasting chamber and the moving chamber, and the travel of the sand blasting chamber to the left is not limited, so that the sand blasting chamber can be closer to the moving chamber, the length of the spray gun is reduced, the cost is reduced, the spray gun is easier to maintain stable, the position accuracy of the spray gun is ensured, the spray gun is prevented from being contacted with the inner wall of a steel pipe, and the inner wall of the steel pipe is prevented from being scratched.
Drawings
FIG. 1 is a general schematic of the blasting apparatus;
FIG. 2 is a schematic diagram of a spray head;
FIG. 3 is a schematic view of a support assembly;
FIG. 4 is a schematic view of a support bar;
fig. 5 is a schematic view of a stent structure.
Detailed Description
The following specific examples are intended to be illustrative of the utility model and are not intended to be limiting, as modifications of the utility model will be apparent to those skilled in the art upon reading the specification without inventive contribution thereto, and are intended to be protected by the patent law within the scope of the appended claims.
The utility model relates to sand blasting equipment suitable for an indefinite length steel tube 7, which comprises a fixed chamber 1, a movable chamber 2 and a sand blasting chamber 3 which are sequentially arranged from left to right, wherein the movable chamber 2 and the sand blasting chamber 3 can move along the left-right direction, and a strip-shaped spray gun 4 extending along the left-right direction is fixed on the sand blasting chamber 3; the fixed chamber 1 and the movable chamber 2 are used for clamping the steel pipe 7 and driving the steel pipe 7 to rotate, a shaft hole for the spray gun 4 to pass through is formed in the movable chamber 2, and the spray gun 4 is used for extending into the inner cavity of the steel pipe 7 and carrying out sand blasting; one side of the sandblasting room 3, which is close to the movable room 2, is fixedly connected with a support structure 5, the support structure 5 moves along with the sandblasting room 3, and the support structure 5 supports the spray gun 4. The sand blasting chamber 3 and the movable chamber 2 are not provided with a supporting mechanism with fixed positions, so that the left moving stroke of the sand blasting chamber 3 is not limited, the sand blasting chamber 3 can be closer to the movable chamber 2, the length of the spray gun 4 is reduced, the cost is reduced, the spray gun 4 is easier to maintain stable, the position precision is ensured, the spray gun 4 is prevented from contacting the inner part of the steel pipe 7, and the inner wall of the steel pipe 7 is prevented from being scratched; meanwhile, in the embodiment, the support structure 5 fixed with the sandblasting room 3 is arranged, the spray gun 4 is supported by the support structure 5, the support structure 5 moves along with the sandblasting room 3, and the travel of the sandblasting room 3 is not limited as long as the length of the support structure 5 in the left-right direction is not too long; the support effect of the support structure 5 on the spray gun 4 is inferior to that of the support mechanism in the prior art, but the support structure is established on the premise that the length of the spray gun 4 is effectively reduced in the embodiment, so that the spray gun 4 can still obtain stable support.
In order to further improve the supporting effect on the spray gun 4, in this embodiment, it is preferable that the spray gun 4 includes a cylindrical gun rod 42 and a spray head 41 fixed at one end of the gun rod 42 far away from the sandblasting room 3, the spray head 41 has a taper shape with a thin left end and a thick right end, and a supporting device is disposed on an outer peripheral wall of the spray head 41, and the supporting device can be opened and closed; the maximum width of the supporting device along the radial direction of the gun rod 42 is smaller than the peripheral diameter of the gun rod 42 when the supporting device is in the folded state; the supporting device is used for abutting against the inner wall of the steel pipe 7 when in an open state. When the spray head 41 does not enter the steel pipe 7, the supporting device is in a folded state, and the maximum width of the spray head 41 along the radial direction of the gun rod 42 is smaller than the peripheral diameter of the gun rod 42, so that the two processes of the spray gun 4 penetrating through the movable chamber 2 and extending into the steel pipe 7 cannot be influenced, after the spray head 41 enters the steel pipe 7, the supporting device is opened to an open state and can be abutted against the inner wall of the steel pipe 7, so that the spray gun 4 is stably supported at one end of the spray head 41, and the support structure 5 is supported at the other end, and both the left end and the right end of the spray gun 4 are supported, so that the running stability and the position accuracy of the spray gun 4 are effectively improved.
The supporting device and the inner wall of the steel pipe 7 have relative movement after abutting, and the inner wall of the steel pipe 7 can be scratched, so the supporting device is further improved, preferably, the outermost end of the supporting device in an open state is provided with a ball 63, the ball 63 is used for abutting the inner wall of the steel pipe 7, and the ball 63 can rotate in any direction, so that the resistance is reduced, and the inner wall of the steel pipe 7 is prevented from being scratched. In this embodiment, preferably, the supporting device includes a supporting component 6 disposed on the peripheral wall of the nozzle 41 in a circumferential array, the supporting component 6 includes a supporting rod 61, a telescopic rod 62 and a remote controller, the right end of the supporting rod 61 is rotatably connected to the peripheral wall of the nozzle 41, the left end is a free end, the left end of the telescopic rod 62 is rotatably connected to the peripheral wall of the nozzle 41, the right end is rotatably connected to the rod body of the supporting rod 61, the telescopic rod 62 stretches to push the supporting rod 61 to swing away from the nozzle 41, and the telescopic rod 62 contracts to pull the supporting rod 61 to swing towards the nozzle 41; the ball 63 is disposed at the left end of the support rod 61 and is rotatable with respect to the support rod 61, and the remote controller is capable of receiving a command and controlling the expansion and contraction of the expansion and contraction rod 62. The telescopic rods 62 extend to push the supporting rods 61 to swing outwards, all the supporting rods 61 form a outwards-opened state together, the supporting rods uniformly lean against the inner wall of the steel pipe 7 in the circumferential direction, the balance of the supporting force applied to the end of the spray gun 4 is improved, the stability of the spray head 41 is improved, and the uniformity of sand blasting is improved. The operation of the telescoping pole 62 is controlled by remotely sending commands to a remote controller during actual operation.
The existence of supporting component 6 can occupation space, influences the motion of dull polish in steel pipe 7, therefore the preferred strutting arrangement of this embodiment includes three supporting component 6, and further, preferably offer on the bracing piece 61 about link up bar groove 611, be fixed with the axostylus axostyle 612 of direction about the perpendicular to in the bar groove 611, telescopic link 62 with axostylus axostyle 612 rotates to be connected, reduces the backup pad 61 and to the blocking of dull polish, guarantees that the sand blasting effect is not influenced. Further, in this embodiment, the left end of the support rod 61 is provided with a receiving groove 613 for receiving the ball 63, a limit flange 614 is disposed at a notch of the receiving groove 613, a circular space surrounded by the limit flange 614 has a smaller diameter than the ball 63, a majority of the ball 63 is located in the receiving groove 613 and is limited by the limit flange 614, and a small portion of the ball 63 extends out of the receiving groove 613 through the space surrounded by the limit flange 614. The balls 63 are sufficiently restricted in the accommodation groove 613, and can be rotated in any direction, so as to accommodate the lateral movement of the head 41 and the rotation of the steel pipe 7. Further, it is preferable that a compression spring 615 is disposed in the accommodation groove 613, and the compression spring 615 is located between the ball 63 and the groove bottom of the accommodation groove 613, because there is vibration during the sand blasting process, and the supporting component 6 abuts against the inner wall of the steel pipe 7, if the supporting component 6 is completely hard-connected, the supporting component 6 cannot be worn seriously when facing the vibration, and the loosening of the connecting portion is easy to occur, in this embodiment, the compression spring 615 plays a role of buffering, and the durability of the supporting component 6 is improved.
In this embodiment, the support structure 5 includes a transverse support plate 51 and a longitudinal support plate 52, the right side of the transverse support plate 51 is fixedly connected with the sandblasting room 3, the lower side of the longitudinal support plate 52 is fixedly connected with the left side of the transverse support plate 51, and an arc-shaped support groove corresponding to the gun rod 42 is arranged on the upper side of the longitudinal support plate 52. Further, a reinforcing rib plate 53 is arranged between the transverse support plate 51 and the longitudinal support plate 52, so that the structural strength of the support structure 5 is improved, and the supporting effect on the spray gun 4 is improved.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (9)
1. The sand blasting equipment suitable for the steel pipes with the indefinite length is characterized by comprising a fixed chamber (1), a movable chamber (2) and a sand blasting chamber (3) which are sequentially arranged from left to right, wherein the movable chamber (2) and the sand blasting chamber (3) can move along the left-right direction, and a strip-shaped spray gun (4) extending along the left-right direction is fixed on the sand blasting chamber (3); the fixed chamber (1) and the movable chamber (2) are used for clamping a steel pipe and driving the steel pipe to rotate, a shaft hole for the spray gun (4) to pass through is formed in the movable chamber (2), and the spray gun (4) is used for extending into the inner cavity of the steel pipe and carrying out sand blasting; one side of the sandblasting room (3) close to the movable room (2) is fixedly connected with a support structure (5), the support structure (5) moves along with the sandblasting room (3), and the support structure (5) supports the spray gun (4).
2. A blasting apparatus for steel pipes of indefinite length according to claim 1, wherein the blast gun (4) comprises a cylindrical gun rod (42) and a nozzle (41) fixed to one end of the gun rod (42) far from the blasting chamber (3), the nozzle (41) is tapered with a thin left end and a thick right end, a supporting device is provided on the outer peripheral wall of the nozzle (41), and the supporting device can be opened and closed; the maximum width of the supporting device along the radial direction of the gun rod (42) is smaller than the peripheral diameter of the gun rod (42) when the supporting device is in the folding state; the supporting device is used for abutting against the inner wall of the steel pipe when in an open state.
3. A blasting apparatus for steel pipes of indefinite length according to claim 2, characterized in that the outermost end of the supporting means in the open state is provided with balls (63), the balls (63) being adapted to abut against the inner wall of the steel pipe, the balls (63) being rotatable in any direction.
4. A blasting apparatus for steel pipes of indefinite length according to claim 3, wherein the supporting means comprises a supporting member (6) circumferentially arranged on the outer peripheral wall of the blasting head (41), the supporting member (6) comprising a supporting rod (61), a telescopic rod (62) and a remote controller, the right end of the supporting rod (61) being rotatably connected to the outer peripheral wall of the blasting head (41) and the left end being a free end, the left end of the telescopic rod (62) being rotatably connected to the outer peripheral wall of the blasting head (41) and the right end being rotatably connected to the supporting rod (61), the telescopic rod (62) being extended to push the supporting rod (61) to swing away from the blasting head (41), the telescopic rod (62) being contracted to pull the supporting rod (61) to swing toward the blasting head (41); the ball (63) is arranged at the left end of the supporting rod (61) and can rotate relative to the supporting rod (61), and the remote controller can receive instructions and control the telescopic rod (62) to extend and retract.
5. The sand blasting equipment for the steel pipes with the indefinite length according to claim 4, wherein the supporting rod (61) is provided with a bar-shaped groove (611) which is penetrated left and right, a shaft lever (612) which is vertical to the left and right direction is fixed in the bar-shaped groove (611), and the telescopic rod (62) is rotationally connected with the shaft lever (612).
6. A blasting apparatus for steel pipes of indefinite length as claimed in claim 4, wherein the support bar (61) is provided at the left end with a receiving groove (613) for receiving the balls (63), a limit flange (614) is provided at the notch of the receiving groove (613), the diameter of a circular space surrounded by the limit flange (614) is smaller than the diameter of the balls (63), a large part of the balls (63) is located in the receiving groove (613) and is restricted by the limit flange (614), and a small part of the balls (63) is protruded out of the receiving groove (613) through the space surrounded by the limit flange (614).
7. A blasting apparatus for steel pipes of varying lengths according to claim 6, characterized in that a compression spring (615) is provided in the receiving groove (613), the compression spring (615) being located between the balls (63) and the groove bottom of the receiving groove (613).
8. A blasting apparatus for steel pipes of varying lengths according to claim 2, wherein the supporting structure (5) comprises a transverse support plate (51) and a longitudinal support plate (52), the right side of the transverse support plate (51) is fixedly connected with the blasting chamber (3), the lower side of the longitudinal support plate (52) is fixedly connected with the left side of the transverse support plate (51), and the upper side of the longitudinal support plate (52) is provided with an arc-shaped supporting groove correspondingly matched with the pair of gun bars (42).
9. A blasting apparatus for steel pipes of indefinite length according to claim 8, characterized in that a reinforcing plate (53) is provided between the transverse support (51) and the longitudinal support (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081529.5U CN219054059U (en) | 2023-01-13 | 2023-01-13 | Sand blasting equipment suitable for steel pipe with indefinite length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081529.5U CN219054059U (en) | 2023-01-13 | 2023-01-13 | Sand blasting equipment suitable for steel pipe with indefinite length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219054059U true CN219054059U (en) | 2023-05-23 |
Family
ID=86370429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081529.5U Active CN219054059U (en) | 2023-01-13 | 2023-01-13 | Sand blasting equipment suitable for steel pipe with indefinite length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219054059U (en) |
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2023
- 2023-01-13 CN CN202320081529.5U patent/CN219054059U/en active Active
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