Self-centering pipe clamp for shot blasting machine

Abstract

The utility model relates to a self-centering pipe clamp for a shot blasting machine, which has the main technical characteristics that the clamping position can be automatically adjusted, and the self-centering pipe clamp is suitable for tubular workpieces with different diameters. The clamp comprises a fixed seat, a U-shaped base, a U-shaped bracket, an adjusting support and a screw rod, a fastening piece is arranged at the bottom of the fixed seat and is fixed in the shot blasting machine through a bolt; the two side walls and the bottom face of the U-shaped base form obtuse angles, and inner threaded holes are formed in the middle points of the two side walls. The two ends of the U-shaped support are connected with the U-shaped base respectively, one end is hinged, and the other end is in bolt connection. The adjusting supports are arranged on two side walls of the U-shaped base and the top surface of the U-shaped bracket, the side walls are provided with adjusting grooves, and the top ends are provided with rollers; and the screw rod penetrates through the adjusting groove and is in threaded connection with the U-shaped base and the U-shaped bracket. According to the utility model, the shot blasting effect can be improved, the stability and uniformity of a workpiece in the shot blasting process are ensured, and the surface treatment quality is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of shot blasting machine auxiliary workpiece equipment, in particular to a self-centering pipe clamp for a shot blasting machine. BACKGROUND

[0002] The shot blasting machine is a device for surface cleaning and is widely applied to surface treatment of workpieces such as castings and forgings. In the shot blasting process, the clamping stability of the workpiece directly affects the shot blasting effect. The existing shot blasting machine clamps are mostly fixed and cannot adapt to pipe-shaped workpieces of different diameters, resulting in unstable clamping and affecting the shot blasting effect. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a self-centering pipe clamp for a shot blasting machine, which can automatically adjust the clamping position, adapt to pipe-shaped workpieces of different diameters and improve the shot blasting effect. To achieve the above-mentioned purpose, the application provides the following technical scheme: a self-centering pipe clamp for a shot blasting machine, comprising:

[0004] A fixed seat is provided with a fastening piece at the bottom, and the fastening piece and the fixed seat are fixed in the shot blasting machine through bolts;

[0005] A U-shaped base is provided with an inner threaded hole at the midpoint of the two side walls and the bottom surface at an obtuse angle;

[0006] A U-shaped support is connected to the two ends of the U-shaped base, one end is hinged, the other end is bolted, and the U-shaped support and the U-shaped base have the same symmetry axis, and an inner threaded hole is arranged at the midpoint of the U-shaped support;

[0007] An adjusting support is arranged on the two side walls of the U-shaped base and the top surface of the U-shaped support, respectively, the side wall of the adjusting support is provided with an adjusting groove, and the top end of the adjusting support is provided with a roller;

[0008] A screw rod is threadedly connected to the U-shaped base and the U-shaped support through the adjusting groove, and the adjusting groove can adjust the fixed position of the screw rod.

[0009] The preferred technical scheme further comprises a guide rail and a groove, the guide rail is arranged on the inner side wall of the adjusting support, and the guide rail is axially parallel to the adjusting groove; the groove is arranged on the side wall of the U-shaped base and the top side wall of the U-shaped support, and the groove is matched with the guide rail.

[0010] The preferred technical scheme is that the two side walls of the U-shaped base and the bottom surface are at an angle of 120 degrees.

[0011] The preferred technical scheme further comprises an operating handle fixedly arranged at the top end of the adjusting support.

[0012] Preferably, the technical scheme further comprises a limiting hole, which is arranged on the U-shaped base and the U-shaped support, and can accommodate the connecting rod of the operating handle.

[0013] Preferably, the limiting hole is axially parallel to the adjusting groove.

[0014] Preferably, the technical scheme further comprises a quick locking structure, which is arranged at the connection between the U-shaped base and the U-shaped support, and comprises a limiting groove, a fixing shaft, a fish-eye screw rod and a nut, the limiting groove is arranged on the side of the U-shaped base and the U-shaped support, the fixing shaft is arranged on the U-shaped base, the fish-eye screw rod is sleeved on the fixing shaft and arranged in the limiting groove, and the nut is arranged on the fish-eye screw rod, so as to quickly lock the U-shaped base and the U-shaped support.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The self-centering pipe clamp for the shot blasting machine can adjust the clamping position and adapt to pipe-shaped workpieces of different diameters. The self-centering pipe clamp can ensure the stability and uniformity of the workpiece during the shot blasting process, effectively avoids the uneven shot blasting phenomenon caused by the diameter difference of the workpiece, and improves the surface treatment quality of the product. The fastening piece arranged at the bottom of the fixed seat is fixed in the shot blasting machine through bolts and the fixed seat, thereby enhancing the overall stability of the clamp. The included angle between the two side walls and the bottom surface of the U-shaped base is obtuse, and an internal thread hole is arranged at the midpoint of the two side walls, which is designed in symmetry with the axis of the U-shaped support, so that the clamp can maintain good balance and stability when adapting to workpieces of different diameters. The side wall of the adjusting support is provided with an adjusting groove, and the top end is provided with a roller, and the screw rod is threadedly connected with the U-shaped base and the U-shaped support through the adjusting groove. This design makes the adjustment of the clamp more flexible and accurate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a perspective view of a self-centering pipe clamp for a shot blasting machine according to an embodiment of the present application;

[0018] Figure 2 FIG. 2 is another perspective view of a self-centering pipe clamp for a shot blasting machine according to an embodiment of the present application;

[0019] Figure 3 FIG. 3 is a schematic view of the connection between the adjusting support and the roller;

[0020] Figure 4 FIG. 4 is a perspective view of the U-shaped base and the U-shaped support;

[0021] In the figure: 1, fixed seat; 2, fastening piece; 3, U-shaped base; 4, U-shaped support; 5, adjusting support; 6, adjusting groove; 7, roller; 8, screw rod; 9, guide rail; 10, groove; 11, operating handle; 12, limiting hole; 13, quick locking structure; 14, limiting groove; 15, fixed shaft; 16, fish eye screw rod; 17, nut. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] In addition, it should be understood that, for the convenience of description, the sizes of the various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example: the thickness or width of certain layers can be exaggerated relative to other layers.

[0025] It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not need to be further specifically discussed and described in the description of subsequent drawings.

[0026] To solve the technical problems in the background art, as shown in Figures 1-4 The present application provides a technical solution: a self-centering pipe clamp for a shot blasting machine, characterized by:

[0027] The fixed seat 1 is the base part of the clamp, and the bottom is provided with a fastening piece 2. The fastening piece 2 is used to connect with the fixed structure inside the shot blasting machine. The fastening piece 2 is fixed with the fixed seat 1 in the shot blasting machine by bolts, which ensures the stability and reliability of the clamp during use. The U-shaped base 3 is designed in a U-shaped structure, and the two side walls form an obtuse angle with the bottom surface. Such design can provide better support and clamping force. The midpoint of the two side walls of the U-shaped base 3 is provided with an internal threaded hole for connection with the screw rod 8. The two ends of the U-shaped support 4 are connected with the two ends of the U-shaped base 3 respectively. One end is connected by hinging, allowing a certain angle of movement; the other end is connected by bolts, ensuring the stability of the connection. The U-shaped support 4 has the same symmetry axis as the U-shaped base 3, ensuring the symmetry and balance of the clamp. The midpoint of the U-shaped support 4 is also provided with an internal threaded hole for connection with the screw rod 8. The adjusting support 5 is arranged on the two side walls of the U-shaped base 3 and the top surface of the U-shaped support 4 respectively, for supporting and adjusting the position of the screw rod 8. The side wall of the adjusting support 5 is provided with an adjusting groove 6 for the screw rod 8 to pass through and be fixed. The top end of the adjusting support 5 is provided with a roller 7, which facilitates the clamping and rolling of the adjusting support 5 in the U-shaped base 3 and the U-shaped support 4 to the steel pipe. The roller 7 as a clamping point can reduce friction, and also facilitates the rotation of the steel pipe. The screw rod 8 passes through the adjusting groove 6 of the adjusting support 5 and is threadedly connected with the U-shaped base 3 and the U-shaped support 4. By adjusting the position of the screw rod 8 in the adjusting groove 6, the position of the adjusting support 5 relative to the U-shaped support 4 or the U-shaped base 3 can be changed, so as to adapt to tubular workpieces of different diameters.

[0028] When the tubular workpiece needs to be clamped, first fix the fixed seat 1 in the shot blasting machine through the fastening piece 2. According to the diameter of the tubular workpiece, adjust the position of the screw rod 8 in the adjusting groove 6 to move the adjusting support 5 to the appropriate position. Place the tubular workpiece in the space enclosed by the U-shaped base 3 and the U-shaped support 4, and fix the adjusting support 5 by the clamping action of the screw rod 8, so that the roller 7 on the adjusting support 5 contacts the steel pipe to form clamping. If the surface to be blasted of the steel pipe needs to be adjusted, it only needs to be rotated. The roller 7 can cooperate with the rotation of the steel pipe to reduce friction.

[0029] Further, the guide rail 9 is arranged on the inner side wall of the adjusting support 5, which is designed to guide the movement of the adjusting support 5 between the U-shaped base 3 and the U-shaped support 4. The guide rail 9 is axially parallel to the adjusting groove 6, which ensures that the adjusting support 5 maintains straight-line movement when moving, improving the accuracy and stability of the adjustment. The groove 10 is arranged on the side wall of the U-shaped base 3 and the top side wall of the U-shaped support 4, which is matched with the guide rail 9 to ensure the smooth movement of the adjusting support 5 between the U-shaped base 3 and the U-shaped support 4. The groove 10 allows the adjusting support 5 to maintain close contact with the U-shaped base 3 and the U-shaped support 4 during movement, reducing shaking and errors during adjustment. The adjusting support 5 slides along the guide rail 9, while the groove 10 provides stable guidance and support for the adjusting support 5.

[0030] It is worth noting that the two side walls of the U-shaped base 3 are designed at an angle of 120 degrees with the bottom surface. This specific angle design helps to improve the stability and clamping force of the clamp. The 120-degree angle allows the U-shaped base 3 to provide more uniform support when in contact with the tubular workpiece, reducing stress concentration caused by uneven contact area.

[0031] Further, the operating handle 11 is fixedly arranged at the top end of the adjusting support 5, providing an intuitive and easy-to-operate structure for the operator. The operating handle 11 is mainly used for manually adjusting the position of the adjusting support 5, thereby adjusting the different positions of the screw rod 8 relative to the adjusting groove 6. By pulling the operating handle 11, the screw rod 8 can be driven to move within the adjusting groove 6, thereby adjusting the position of the adjusting support 5.

[0032] It is worth noting that the limiting hole 12 is arranged on the U-shaped base 3 and the U-shaped bracket 4, and its main function is to accommodate the connecting rod of the operating handle 11, ensuring the stability and safety of the operating handle 11 during operation. The design of the limiting hole 12 takes into account the size of the connecting rod of the operating handle 11, ensuring that the connecting rod can smoothly pass through, while providing sufficient friction to prevent the connecting rod from slipping or falling off during operation. The existence of the limiting hole 12 not only provides a fixed mounting position for the operating handle 11, but also limits the movement range of the operating handle 11, preventing excessive rotation or incorrect operation. The design of the limiting hole 12 also helps to reduce the vibration of the operating handle 11 during operation, improving the accuracy and reliability of the operation.

[0033] It is worth noting that the limiting hole 12 is designed to be axially parallel to the adjusting groove 6, meaning that both are on the same line or parallel lines, which helps to maintain the stability and consistency of the operating handle 11 during adjustment. The axial parallel design ensures that when the operating handle 11 rotates, the movement direction of its connecting rod in the limiting hole 12 is consistent with the movement direction of the screw rod 8 in the adjusting groove 6, thereby improving the accuracy of adjustment. Since the limiting hole 12 is axially parallel to the adjusting groove 6, the operating handle 11 will not produce lateral force when rotating, which helps to reduce friction and wear during adjustment, prolonging the service life of the clamp.

[0034] Notably, the quick-lock structure 13 is arranged at the connection between the U-shaped base 3 and the U-shaped support 4, which is designed to achieve quick locking and releasing between the U-shaped base 3 and the U-shaped support 4, and to improve the adjustment efficiency of the clamp. The quick-lock structure 13 includes a limiting groove 14, a fixing shaft 15, a fish-eye screw 16, and a nut 17, which work together to achieve the functions of quick locking and unlocking. The limiting groove 14 is arranged at the side of the U-shaped base 3 and the U-shaped support 4, providing guidance and limiting for the fish-eye screw 16, ensuring that the fish-eye screw 16 moves in the correct path. The fixing shaft 15 is arranged on the U-shaped base 3, used to fix the fish-eye screw 16, so that it can move stably in the limiting groove 14. The fish-eye screw 16 is sleeved on the fixing shaft 15 and arranged in the limiting groove 14, and its unique shape design allows it to move quickly along the limiting groove 14 when rotating, achieving quick locking and unlocking. The nut 17 is arranged on the fish-eye screw 16, and when it is necessary to lock the U-shaped base 3 and the U-shaped support 4, the nut 17 is rotated to move along the fish-eye screw 16, thereby achieving quick locking. When it is necessary to adjust the position of the U-shaped support 4, the nut 17 is first loosened, allowing the fish-eye screw 16 to move freely in the limiting groove 14. After adjusting the U-shaped support 4 to the desired position, the nut 17 is tightened, and the fish-eye screw 16 moves along the fixing shaft 15, pushing the U-shaped support 4 to tightly connect with the U-shaped base 3, achieving quick locking.

[0035] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A self-centering pipe clamp for a shot blasting machine, characterized in that, The utility model relates to a kind of adjustable U-shaped support, including: Fixed seat (1), the bottom of the fixed seat (1) is provided with fastening sheet (2), the fastening sheet (2) is fixed in the interior of shot blasting machine by bolt with the fixed seat (1); U-shaped base (3), the included angle of the two side walls of the U-shaped base (3) and bottom surface is obtuse, and its two side wall midpoint is provided with internal thread hole; U-shaped support (4), the two ends of the U-shaped support (4) are connected with the two ends of the U-shaped base (3) respectively, one end is hinged, the other end is bolted, and the U-shaped support (4) has the same symmetry axis with the U-shaped base (3), the U-shaped support (4) midpoint is provided with internal thread hole; Adjusting support (5), the adjusting support (5) is respectively provided on the two side walls of the U-shaped base (3) and the top surface of the U-shaped support (4), the side wall of the adjusting support (5) is provided with adjusting groove (6), and the top end of the adjusting support (5) is provided with roller (7); Screw rod (8), the screw rod (8) is screwed with the U-shaped base (3) and the U-shaped support (4) through the adjusting groove (6), and the adjusting groove (6) can adjust the fixed position of the screw rod (8).

2. The self-centering pipe clamp for a shot blaster according to claim 1, characterized by It also includes guide rail (9) and groove (10), the inner side wall of the adjusting support (5) is provided with the guide rail (9), and the guide rail (9) is axially parallel with the adjusting groove (6);The side wall of the U-shaped base (3) and the top side wall of the U-shaped support (4) are provided with the groove (10), and the groove (10) is matched with the guide rail (9).

3. The self-centering pipe clamp for a shot blaster according to claim 1, characterized by The included angle of the two side walls of the U-shaped base (3) and bottom surface is 120 degrees.

4. The self-centering pipe clamp for a shot blasting machine according to any one of claims 1 to 3, characterized in that It also includes operating handle (11), which is fixedly provided on the top end of the adjusting support (5).

5. The self-centering tube clamp for a shot blaster according to claim 4, characterized in that It also includes limiting hole (12), which is provided on the U-shaped base (3) and the U-shaped support (4), and the connecting rod of the operating handle (11) can be accommodated through the limiting hole (12).

6. The self-centering tube clamp for a shot blaster according to claim 5, characterized in that The limiting hole (12) is axially parallel with the adjusting groove (6).

7. The self-centering tube clamp for a shot blaster according to claim 6, characterized in that It also includes quick-lock structure (13), which is provided at the connection of the U-shaped base (3) and the U-shaped support (4), which includes limiting groove (14), fixed shaft (15), fish-eye screw rod (16) and nut (17), the limiting groove (14) is provided on the side of the U-shaped base (3) and the U-shaped support (4), the fixed shaft (15) is provided on the U-shaped base (3), the fish-eye screw rod (16) is sleeved on the fixed shaft (15), and it is provided in the limiting groove (14), the nut (17) is provided on the fish-eye screw rod (16), to realize the quick locking of the U-shaped base (3) and the U-shaped support (4).

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