Sand blasting device for galvanized pipe fitting

Abstract

The utility model relates to the technical field of pipe fitting processing, and discloses a galvanized pipe fitting sand blasting device which comprises a collecting box, the top of the collecting box is fixedly connected with a mounting frame, the inner side of the collecting box is fixedly connected with a supporting plate, one side of the mounting frame is fixedly provided with a motor A, and an output shaft of the motor A is fixedly connected with a driving gear. The inner wall of the supporting plate penetrates through a bearing and is rotationally connected with a rotating rod, the surface of the rotating rod is fixedly sleeved with a driven gear and a rotating plate, the driving gear is meshed with the driven gear, and the surface of the rotating rod is fixedly sleeved with the driven gear and the rotating plate. According to the utility model, the rotating plate drives the first sand blasting pipe to rotate in the galvanized pipe fitting, and is matched with the second sand blasting pipe to do circular motion around the first sand blasting pipe, so that all-directional and uniform sand blasting on the inner surface and the outer surface of the pipe fitting is ensured, and the adhesive force and the quality of a subsequent galvanized layer are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting processing technical field especially relates to a galvanized pipe fitting's sand blasting device. BACKGROUND

[0002] Good surface pretreatment can enhance the binding force of galvanizing layer and pipe fitting matrix, prevent galvanizing layer from appearing and falling off, peeling and other quality problems. Among many surface pretreatment methods, sand blasting treatment is a kind of efficient and commonly used technology. It can remove the impurities such as oxide skin, oil stain, rust mark on the surface of pipe fitting, and at the same time make the surface of pipe fitting form certain roughness, provide good foundation for galvanizing.

[0003] The existing galvanized pipe fitting's sand blasting device when using, first need to start the feeding device, electric cylinder promotes push rod, and the galvanized pipe fitting on the feeding platform is pushed to the clamping position of rotating device in turn, and the material blocking block can prevent the pipe fitting from moving excessively in the pushing process, to ensure that the pipe fitting enters the clamping device accurately, when the pipe fitting is pushed to the clamping position, the clamping rod of the clamping device is clamped under the action of compression spring, to prevent it from falling off in the sand blasting process, the motor of rotating device is started, the cylinder and pipe fitting are driven to rotate through gear transmission, at the same time, the sand blasting system is started, compressed air sprays the abrasive in the storage tank to the surface of rotating pipe fitting through the nozzle at high speed, realizes all-around uniform sand blasting treatment, after sand blasting, the rotating device stops rotating, the clamping device releases the pipe fitting, and the sand blasted pipe fitting falls to the discharge rack under the action of gravity, to complete the discharge.

[0004] Ordinary sand blasting gun is usually designed to treat the outer surface of the object, its shape and size are difficult to directly extend into the pipe fitting for sand blasting operation, even if some sand blasting guns can extend into the pipe fitting, but due to its fixed sand blasting angle, it is difficult to ensure that the inner surface of the pipe fitting is blasted all-round and uniformly, the sand particles cannot be sprayed to these positions by the fixed-angle sand blasting gun, so that the sand blasting effect of the inner surface is greatly reduced, which affects the adhesion and quality of the subsequent galvanizing layer. Therefore, a kind of galvanized pipe fitting's sand blasting device is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a kind of galvanized pipe fitting's sand blasting device, to improve the problem that the sand blasting gun in prior art is fixed in angle and affects the uniformity of sand blasting on the inner surface of pipe fitting during sand blasting.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a galvanized pipe fitting's sand blasting device, including the collecting box, the top of collecting box is fixedly connected with the mounting bracket, the inboard of collecting box is fixedly connected with the supporting plate, one side of mounting bracket is fixedly installed with motor A, the output shaft of motor A is fixedly connected with driving gear, the inner wall of supporting plate is penetrated and is rotatably connected with the rotating rod through the bearing, the surface of rotating rod is fixedly sleeved with driven gear and rotating plate respectively, driving gear is engaged with driven gear, the surface of rotating rod is fixedly sleeved with driven gear and rotating plate, one side of rotating plate is fixedly connected with no.

[0007] As further description of the above technical scheme: the adjusting assembly includes two studs, two the stud is respectively screwed through the one end of no. 1 sand blasting pipe, two the stud is respectively fixedly connected with the sealing plug, two the stud is respectively fixedly connected with the knob.

[0008] As further description of the above technical scheme: the clamping assembly includes an electric telescopic rod, the electric telescopic rod is fixedly connected with the movable clamping plate, the movable clamping plate is provided with a hole in the middle.

[0009] As further description of the above technical scheme: the shielding assembly includes two arc baffles, two the arc baffle is symmetrical and fixedly connected at the top of collecting box, two the arc baffle's outside is fixedly installed with vibration motor respectively.

[0010] As further description of the above technical scheme: the end surface of no. 1 sand blasting pipe and no. 2 sand blasting pipe is fixedly connected with the conveying pipeline respectively, the end of conveying pipeline that no. 1 sand blasting pipe end surface is connected is fixedly penetrated the one end of rotating rod and extends outward.

[0011] As further description of the above technical scheme: the surface of no. 1 sand blasting pipe is sleeved with rubber disc, one side of rubber disc is fixedly connected on the other side of supporting plate, the side adjacent to rubber disc of movable clamping plate is abutted with galvanized pipe fitting.

[0012] As further description of the above technical scheme: the top of collecting box is provided with an opening, the bottom inner wall of collecting box is slidably connected with a drawer through a slide rail, the outer side of drawer is fixedly connected with a handle.

[0013] As further description of the above technical scheme: the outer wall of collecting box is provided with the control switch of motor A and vibration motor A.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the first sand blasting pipe is driven to rotate in the inside of the galvanized pipe fitting through the rotating plate, and the second sand blasting pipe is in circumferential motion around the first sand blasting pipe, so that the inside and outside surfaces of the pipe fitting are blasted in all directions and uniformly, thereby improving the adhesion and quality of the subsequent galvanized layer.

[0016] 2. In the utility model, the two sealing plugs are respectively moved in the inside of the first sand blasting pipe and the second sand blasting pipe, the number of nozzles required for sand blasting can be adjusted according to the length of the galvanized pipe fitting, when the galvanized pipe fitting is short, the number of nozzles can be reduced by moving the piston, and vice versa; the problem of waste caused by useless sand blasting of the nozzles is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 a front view of the sand blasting device for the galvanized pipe fitting is provided for the utility model;

[0018] Figure 2 a top view of the sand blasting device for the galvanized pipe fitting is provided for the utility model;

[0019] Figure 3 a partial structure schematic view of the sand blasting device for the galvanized pipe fitting is provided for the utility model;

[0020] Figure 4 a cross-sectional schematic view of the partial structure of the sand blasting device for the galvanized pipe fitting is provided for the utility model.

[0021] LEGEND:

[0022] 1, collection box;2, arc baffle;3, mounting frame;4, motor A;5, driving gear;6, driven gear;7, first sand blasting pipe;8, second sand blasting pipe;9, galvanized pipe fitting;10, support plate;11, electric telescopic rod;12, moving clamp plate;13, conveying pipeline;14, vibration motor;15, stud;16, sealing plug;17, knob;18, rotating rod;19, rotating plate;20, rubber disc. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] REFERENCE Figure 1 - Figure 3The utility model provides a kind of sand blasting device of galvanized pipe fitting, including collection box 1, the top of collection box 1 is fixedly connected with mounting bracket 3, the inboard of collection box 1 is fixedly connected with support plate 10, one side of mounting bracket 3 is fixedly installed with motor A 4, the output shaft of motor A 4 is fixedly connected with driving gear 5, the output shaft of motor A 4 can drive driving gear 5 positive and negative rotation, the inner wall of support plate 10 is penetrated and rotationally connected with rotating rod 18 by bearing, bearing cooperates support plate 10 and is limited to the effect of rotating rod 18, so that rotating rod 18 can be more stable in the inner wall rotation of support plate 10, the surface of rotating rod 18 is fixedly covered with driven gear 6, rotating plate 19 respectively, driving gear 5 is engaged with driven gear 6, is driven by engagement, so that rotating rod 18 and motor A 4 are in opposite direction rotation, one side of rotating plate 19 is fixedly connected with No.

[0025] Refer to Figure 4 The adjusting assembly includes two studs 15, the two studs 15 are respectively screwed through one end of the first sand blasting pipe 7 and the second sand blasting pipe 8, one end of the two studs 15 is respectively fixedly connected with a sealing plug 16, the other end of the two studs 15 is respectively fixedly connected with a knob 17, the two sealing plugs 16 are respectively moved in the first sand blasting pipe 7 and the second sand blasting pipe 8 by being arranged, the number of spray heads required for sand blasting can be adjusted according to the length of the galvanized pipe 9, when the galvanized pipe 9 is shorter, the number of spray heads can be reduced by moving the piston, and vice versa, to avoid the problem of waste caused by useless sand blasting of the spray head.

[0026] Refer to Figure 3 , Figure 4The clamping assembly comprises an electric telescopic rod 11, a movable clamping plate 12 is fixedly connected to the electric telescopic rod 11, the movable clamping plate 12 is provided with a hole in the middle, the movable clamping plate 12 is driven away from the electric telescopic rod 11, thereby reserving the feeding space of the galvanized pipe fitting 9, and the electric telescopic rod 11 and the movable clamping plate 12 can clamp the galvanized pipe fitting 9 with different lengths.

[0027] With reference to Figure 1 The shielding assembly comprises two arc-shaped baffles 2, which are symmetrically and fixedly connected to the top of the collecting box 1, the arc-shaped baffles 2 are used to prevent splashing during sand blasting, the outer sides of the two arc-shaped baffles 2 are respectively fixedly installed with vibration motors 14, the arc-shaped baffles 2 cooperate with the vibration motors 14 to effectively shake off the residual spraying material, the top of the collecting box 1 is provided with an opening, the bottom inner wall of the collecting box 1 is slidably connected with a drawer through a slide rail, the sprayed material shaken off enters the drawer to complete collection, the outer side of the drawer is fixedly connected with a handle, the drawer can be taken out from the inside of the collecting box 1 by cooperating with the handle, which is convenient for centralized treatment of the spraying material in the drawer, and the outer wall of the collecting box 1 body is provided with control switches of the motor A4 and the vibration motor 14, which is convenient for controlling the motor A4 and the vibration motor 14.

[0028] Working principle: by starting the electric telescopic rod 11, the telescopic end of the electric telescopic rod 11 drives the moving clamping plate 12 to move away, and one end of the galvanized pipe fitting 9 is abutted on the rubber disc 20, then the electric telescopic rod 11 is started in reverse, so that the electric telescopic rod 11 drives the moving clamping plate 12 to move, and the other end of the galvanized pipe fitting 9 is abutted on the rubber disc 20 by the moving clamping plate 12, so that the galvanized pipe fitting 9 of different lengths can be clamped; then the motor A4 is started from the control switch, the output shaft of the motor A4 drives the driving gear 5 to rotate, the driving gear 5 drives the driven gear 6 to rotate through the meshing of the driving gear 5 and the driven gear 6, the driven gear 6 drives the rotating rod 18 to rotate, the rotating rod 18 drives the rotating plate 19 to rotate, the rotating plate 19 drives the first sand blasting pipe 7 and the second sand blasting pipe 8 to rotate respectively, the first sand blasting pipe 7 and the second sand blasting pipe 8 respectively enter the sand through the conveying pipeline 13, the inner wall of the galvanized pipe fitting 9 is blasted by the rotation of the first sand blasting pipe 7, and the outer surface of the galvanized pipe fitting 9 is blasted by the second sand blasting pipe 8, since the first sand blasting pipe 7 and the second sand blasting pipe 8 are the maximum length of the galvanized pipe fitting 9, when the length of the galvanized pipe fitting 9 is shorter, the length of the first sand blasting pipe 7 and the second sand blasting pipe 8 is greater than the length of the galvanized pipe fitting 9, then the waste caused by the continuous sand blasting of the excess nozzle part, at this time, only the knob 17 is rotated, the stud 15 drives the sealing plug 16 to move in the inner wall of the first sand blasting pipe 7 and the second sand blasting pipe 8, the space inside the first sand blasting pipe 7 and the second sand blasting pipe 8 is adjusted by the movement of the sealing plug 16, then the excess part of the first sand blasting pipe 7 and the second sand blasting pipe 8 cannot be blasted by the nozzle, the waste of sand can be effectively reduced, the arc-shaped baffle 2 is arranged to prevent splashing caused by sand blasting, the vibration motor 14 is started from the control switch, the vibration motor 14 vibrates on the arc-shaped baffle 2, which can effectively shake off the residual sand, the shaken sand is collected in the drawer, and the drawer can be taken out from the inside of the collection box 1, so that the sand in the drawer can be conveniently collected and treated.

[0029] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A grit blasting device for galvanised pipes comprising a collection tank (1), characterised in that: The top of the collecting box (1) is fixedly connected with a mounting rack (3), the inner side of the collecting box (1) is fixedly connected with a supporting plate (10), one side of the mounting rack (3) is fixedly installed with a motor A (4), the output shaft of the motor A (4) is fixedly connected with a driving gear (5), the inner wall of the supporting plate (10) is rotatably connected with a rotating rod (18) through a bearing, the surface of the rotating rod (18) is fixedly sleeved with a driven gear (6) and a rotating plate (19) respectively, the driving gear (5) is engaged with the driven gear (6), the surface of the rotating rod (18) is fixedly sleeved with the driven gear (6) and the rotating plate (19), one side of the rotating plate (19) is fixedly connected with a second sand blasting pipe (8) respectively, one end of the rotating rod (18) is fixedly connected with a first sand blasting pipe (7), one end of the first sand blasting pipe (7) and the second sand blasting pipe (8) is provided with an adjusting assembly, the upper side of the collecting box (1) is provided with a clamping assembly, the upper side of the collecting box (1) body is provided with a shielding assembly.

2. A device for sandblasting a galvanized pipe fitting according to claim 1, wherein The adjusting assembly comprises two studs (15), the two studs (15) are respectively threaded through one end of the first sand blasting pipe (7) and the second sand blasting pipe (8), one end of the two studs (15) is fixedly connected with a sealing plug (16) respectively, the other end of the two studs (15) is fixedly connected with a knob (17) respectively.

3. A device for sandblasting a galvanized pipe fitting as defined in claim 1, wherein: The clamping assembly comprises an electric telescopic rod (11), the electric telescopic rod (11) is fixedly connected with a moving clamping plate (12) through telescopic connection, and the middle part of the moving clamping plate (12) is provided with a hole.

4. A device for sandblasting a galvanized pipe fitting as defined in claim 1, wherein: The shielding assembly comprises two arc-shaped baffles (2), the two arc-shaped baffles (2) are symmetrically and fixedly connected to the top of the collecting box (1), and the outer sides of the two arc-shaped baffles (2) are fixedly installed with vibration motors (14) respectively.

5. A device for sandblasting a galvanized pipe fitting as defined in claim 1, wherein: The end faces of the first sand blasting pipe (7) and the second sand blasting pipe (8) are fixedly and communicatively provided with a conveying pipe (13), and one end of the conveying pipe (13) connected with the end face of the first sand blasting pipe (7) is fixedly penetrated through one end of the rotating rod (18) and extends outward.

6. A device for sandblasting a galvanized pipe fitting as defined in claim 3, wherein: The surface of the first sand blasting pipe (7) is sleeved with a rubber disc (20), one side of the rubber disc (20) is fixedly connected to the other side of the supporting plate (10), and the side adjacent to the rubber disc (20) of the moving clamping plate (12) abuts against a galvanized pipe fitting (9).

7. A device for sandblasting a galvanized pipe fitting as defined in claim 1, wherein: The top of the collecting box (1) is provided with an opening, the bottom inner wall of the collecting box (1) is slidingly connected with a drawer through a slide rail, and the outer side of the drawer is fixedly connected with a handle.

8. A device for sandblasting a galvanized pipe fitting according to claim 1, characterized in that: The outer wall of the collecting box (1) body is provided with control switches of the motor A (4) and the vibration motor (14).

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