Clamping tool capable of centering for alloy pipe production

Abstract

The utility model relates to the technical field of alloy pipe machining, and discloses a centering clamping tool for alloy pipe production, which comprises a clamping frame, and a telescopic cylinder II is fixedly mounted on the cambered surface of the clamping frame. According to the centring clamping tool for alloy pipe production, an alloy pipe is placed on the upper surface of a supporting plate, an elastic telescopic rod enables a clamping plate above to be attached to the upper surface of the alloy pipe, the moving stability of the alloy pipe is guaranteed, then when a first telescopic air cylinder is started, the supporting plate moves upwards continuously, and a guide rod moves upwards under the action of a fixing cylinder and a reset spring; the movable block moves in the sliding groove and continuously pressurizes the contact block, so that the extension spring deforms, the movable block drives the indication block to move until the alloy pipe moves to the position of the circle center of the clamping frame, the pressure balance indication blocks at the two ends of the movable block coincide with the standard block pointing to the circle center, the centering process of the alloy pipe is facilitated, and the machining accuracy of the alloy pipe is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to alloy pipe processing technical field, concretely is a kind of clamping tool for alloy pipe production with centring. BACKGROUND

[0002] Alloy pipe has hollow section, is used as the pipeline of a large number of fluid, such as transporting petroleum, natural gas, coal gas, water etc., alloy pipe is a kind of seamless steel pipe, alloy pipe has different size of size, when the alloy pipe of different size is processed, alloy pipe needs to be centred and clamped, to ensure the accuracy of alloy pipe during processing.

[0003] According to the single crystal silicon bar clamping mechanism of one kind of automatic centring (announcement number: CN215433292U) disclosed, the piston rod of cylinder one and cylinder two moves to single crystal silicon bar, and the two clamping wheels on the triangular clamping block clamp single crystal silicon bar, the triangular clamping block can be relatively rotated according to the surface shape and size of single crystal silicon bar, so that the two clamping wheels better adhere to the surface of single crystal silicon bar, to realize the effect of automatic centring.

[0004] But the above-mentioned equipment in actual use, when the alloy pipe of different size is centred, alloy pipe needs to be placed on support plate and moved to the center position of clamping frame by telescopic cylinder, without obvious indicating device, the height of positioning support plate needs to be observed and adjusted manually, the process is more cumbersome, and the positioning accuracy is affected, which affects the machining accuracy, therefore, we provide a kind of clamping tool for alloy pipe production with centring. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of clamping tool for alloy pipe production with centring to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of clamping tool for alloy pipe production with centring, including clamping frame, the arc surface of the clamping frame is fixedly installed telescopic cylinder two, the movable end of telescopic cylinder two is fixedly installed centring frame, the outer side of the clamping frame is provided with telescopic cylinder one, the movable end of telescopic cylinder one is fixedly connected support plate, the surface of the clamping frame is fixedly installed with elastic telescopic rod, the inside of the clamping frame is provided with positioning mechanism, the inside of the clamping frame is provided with stabilizing mechanism including:

[0007] Fixed cylinder, the fixed cylinder is fixedly installed in the side wall of support plate, the inner wall of the fixed cylinder is fixedly connected with return spring, the end of return spring away from the inner wall of fixed cylinder is fixedly connected with guide rod, the inner wall of the clamping frame is fixedly installed standard block;

[0008] The movable block is movably installed on the inner wall of the clamping frame, the side wall of the movable block is fixedly connected with a tension spring, the end of the tension spring away from the side wall of the movable block is fixedly connected with a contact block, and the surface of the movable block is fixedly installed with an indicating block.

[0009] Preferably, the stabilizing mechanism comprises a convex block fixedly installed on the inner wall surface of the clamping frame, the surface of the movable block is provided with a movable groove, the inner wall of the movable groove is fixedly connected with a telescopic spring, the end of the telescopic spring away from the inner wall of the movable groove is fixedly connected with a mounting block, and the surface of the mounting block is movably installed with a roller.

[0010] Preferably, the inner surface of the clamping frame is provided with a sliding groove, and the shape of the sliding groove is matched with the shape of the movable block.

[0011] Preferably, the number of the convex blocks is several, and the several convex blocks are fixedly installed on the inner wall of the opening of the sliding groove in a circumferential array.

[0012] Preferably, the number of the tension springs is two, and the two tension springs are fixedly installed on the two ends of the movable block in a mirror image.

[0013] Preferably, the end of the guide rod away from the fixed cylinder is in a cylindrical shape, and the size of the cylindrical shape is matched with the shape of the sliding groove.

[0014] Compared with the prior art, the utility model provides a centering clamping tool for alloy pipe production, which has the following beneficial effects:

[0015] 1、The centering clamping tool for alloy pipe production is provided with a positioning mechanism, alloy pipes are placed on the upper surface of the supporting plate, the elastic telescopic rod adheres the upper clamping plate to the upper surface of the alloy pipe, the stability of the alloy pipe movement is ensured, the supporting plate is continuously moved upwards under the action of the telescopic cylinder one, the guide rod moves in the sliding groove under the action of the fixed cylinder and the return spring, the contact block is continuously pressurized, the tension spring is deformed, the movable block drives the indicating block to move, until the alloy pipe moves to the position of the center of the clamping frame, the pressure balance of the two ends of the movable block makes the indicating block coincide with the standard block pointing to the center, the centering process of the alloy pipe is facilitated, and the accuracy of the alloy pipe processing pipe is ensured.

[0016] 2、The centering clamping tool for alloy pipe production is provided with a stabilizing mechanism, the movable block is subjected to pressure at both ends under the action of the tension spring and the contact block, moves and is easy to shake, the mounting block on the movable block is continuously in contact with the roller and the convex blocks under the action of the telescopic spring, the movable block is more easily stabilized, the position of the indicating block and the standard block is quickly observed, and the positioning is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a body structure schematic diagram shows that the utility model discloses a clamping frame structure schematic diagram shows that the utility model discloses a support plate structure schematic diagram shows that the utility model discloses a movable block partial structure schematic diagram shows that the utility model discloses a movable block partial explosion structure schematic diagram.

[0018] Figure 2 The utility model discloses a clamping frame partial section structure schematic diagram shows that the utility model discloses a support plate structure schematic diagram shows that the utility model discloses a movable block partial structure schematic diagram shows that the utility model discloses a movable block partial explosion structure schematic diagram.

[0019] Figure 3 The utility model discloses a support plate structure schematic diagram shows that the utility model discloses a movable block partial structure schematic diagram shows that the utility model discloses a movable block partial explosion structure schematic diagram.

[0020] Figure 4 The utility model discloses a movable block partial structure schematic diagram shows that the utility model discloses a movable block partial explosion structure schematic diagram.

[0021] Figure 5 The utility model discloses a movable block partial explosion structure schematic diagram.

[0022] In the figure: 1, clamping frame, 2, telescopic cylinder one, 3, positioning mechanism, 301, fixed cylinder, 302, reset spring, 303, guide rod, 304, movable block, 305, tensile spring, 306, contact block, 307, indicating block, 308, standard block, 4, stabilizing mechanism, 401, lug, 402, movable slot, 403, telescopic spring, 404, mounting block, 405, cylinder, 5, support plate, 6, telescopic cylinder two, 7, centering frame, 8, elastic telescopic rod. Specific implementation

[0023] As Figures 1-5 The utility model provides a kind of centering clamping tool for alloy pipe production, including clamping frame 1, the arc surface of clamping frame 1 is fixedly installed telescopic cylinder two 6, the movable end of telescopic cylinder two 6 is fixedly installed centering frame 7, the outside of clamping frame 1 is provided with telescopic cylinder one 2, the movable end of telescopic cylinder one 2 is fixedly connected support plate 5, the surface of clamping frame 1 is fixedly installed with elastic telescopic rod 8, the inside of clamping frame 1 is provided with positioning mechanism 3, the inside of clamping frame 1 is provided with stabilizing mechanism 4 including fixed cylinder 301, reset spring 302, guide rod 303, movable block 304, tensile spring 305, contact block 306, indicating block 307, standard block 308.

[0024] In an embodiment of the utility model, fixed cylinder 301 is fixedly installed on the side wall of support plate 5, the inner wall of fixed cylinder 301 is fixedly connected with reset spring 302, the end of reset spring 302 away from the inner wall of fixed cylinder 301 is fixedly connected with guide rod 303, the inner wall of clamping frame 1 is fixedly installed with standard block 308, movable block 304 is movably installed on the inner wall of clamping frame 1, the side wall of movable block 304 is fixedly connected with tensile spring 305, the end of tensile spring 305 away from the side wall of movable block 304 is fixedly connected with contact block 306, the surface of movable block 304 is fixedly installed with indicating block 307.

[0025] In addition, the stabilizing mechanism 4 comprises protrusions 401 fixedly installed on the inner wall surface of the clamping frame 1, the surface of the movable block 304 is provided with a movable groove 402, the inner wall of the movable groove 402 is fixedly connected with a telescopic spring 403, one end of the telescopic spring 403 away from the inner wall of the movable groove 402 is fixedly connected with a mounting block 404, the surface of the mounting block 404 is movably installed with a roller 405, the inner surface of the clamping frame 1 is provided with a sliding groove, the shape of the sliding groove is matched with the shape of the movable block 304, so that the movable block 304 is facilitated to move in the sliding groove, and the shape of the mounting block 404 is matched with the shape of the movable groove 402, so that the mounting block 404 is facilitated to move in the movable groove 402 under the action of the telescopic spring 403.

[0026] In the embodiment of the utility model, the number of protrusions 401 is set to be several, the several protrusions 401 are fixedly installed in the circumferential array on the inner wall of the sliding groove opening, which is convenient for contacting with the roller 405, guarantees the quick stability of the movable block 304, and the number of the stretching spring 305 is set to be two, the two stretching springs 305 are fixedly installed on the two ends of the movable block 304 in the mirror image, the end of the guide rod 303 away from the fixed cylinder 301 is in the cylindrical shape, the size of the cylindrical shape is matched with the shape of the sliding groove, the structure of the elastic telescopic rod 8 is similar to the shape of the fixed cylinder 301, the reset spring 302 and the guide rod 303, the movable end of the elastic telescopic rod 8 is provided with a clamping plate, the shape of the clamping plate is matched with the shape of the supporting plate 5, but the shape of the clamping plate is smaller than the shape of the supporting plate 5, which guarantees the stable operation of the centering frame 7.

[0027] In the utility model, when in use, the alloy pipe is placed on the upper surface of the supporting plate 5, the elastic telescopic rod 8 adheres the upper clamping plate to the upper surface of the alloy pipe, guarantees the stability of the alloy pipe movement, then the telescopic cylinder no. 2 is started, the supporting plate 5 is constantly moved upwards, the guide rod 303 moves in the sliding groove under the action of the fixed cylinder 301 and the reset spring 302, the contact block 306 is constantly pressurized, the stretching spring 305 is deformed, the movable block 304 drives the indicating block 307 to move, until the alloy pipe moves to the position of the center of the clamping frame 1, the pressure balance indicating block 307 on the two ends of the movable block 304 coincides with the standard block 308 pointing to the center, which is convenient for the centering process of the alloy pipe, guarantees the accuracy of the alloy pipe machining pipe, then the telescopic cylinder no. 6 is started to stably clamp the surface of the alloy pipe by the centering frame 7.

[0028] Further, the movable block 304 is subjected to pressure on both ends under the action of the stretching spring 305 and the contact block 306, and moves easily to shake, the mounting block 404 on the movable block 304 constantly contacts the roller 405 with the several protrusions 401 under the action of the telescopic spring 403, so that the movable block 304 is more easily stable, guarantees the quick observation of the position of the indicating block 307 and the standard block 308, and makes the positioning more accurate.

[0029] The utility model has made the detailed description to the utility model generally, but can make some modification or improvement to it on the basis of the utility model, which is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A centerable clamping fixture for alloy tube production, comprising a clamping frame (1), wherein a telescopic cylinder two (6) is fixedly mounted on the arc surface of the clamping frame (1), a centering frame (7) is fixedly mounted on the movable end of the telescopic cylinder two (6), a telescopic cylinder one (2) is provided on the outer side of the clamping frame (1), a support plate (5) is fixedly connected to the movable end of the telescopic cylinder one (2), and an elastic telescopic rod (8) is fixedly mounted on the surface of the clamping frame (1), characterized in that: The inside of the clamping frame (1) is provided with a positioning mechanism (3), and the inside of the clamping frame (1) is provided with a stabilizing mechanism (4) comprising: A fixed cylinder (301) is fixedly installed on the side wall of the support plate (5), the inner wall of the fixed cylinder (301) is fixedly connected with a reset spring (302), one end of the reset spring (302) away from the inner wall of the fixed cylinder (301) is fixedly connected with a guide rod (303), and the inner wall of the clamping frame (1) is fixedly installed with a standard block (308); An active block (304) is movably installed on the inner wall of the clamping frame (1), the side wall of the active block (304) is fixedly connected with a tension spring (305), one end of the tension spring (305) away from the side wall of the active block (304) is fixedly connected with a contact block (306), and the surface of the active block (304) is fixedly installed with an indicating block (307).

2. A centerable clamping tool for use in the production of an alloy tube according to claim 1, characterized in that: The stabilizing mechanism (4) comprises a protrusion (401) fixedly installed on the inner wall surface of the clamping frame (1), the surface of the active block (304) is provided with an active groove (402), the inner wall of the active groove (402) is fixedly connected with a telescopic spring (403), one end of the telescopic spring (403) away from the inner wall of the active groove (402) is fixedly connected with a mounting block (404), and the surface of the mounting block (404) is movably installed with a roller (405).

3. The centerable clamping tool for producing an alloy pipe according to claim 1, characterized in that: The inner surface of the clamping frame (1) is provided with a sliding groove, and the shape of the sliding groove is matched with the shape of the active block (304).

4. The centerable clamping tool for producing an alloy pipe according to claim 2, characterized in that: The number of the protrusions (401) is several, and the several protrusions (401) are fixedly installed on the inner wall of the sliding groove opening in a circumferential array.

5. The centerable clamping tool for producing an alloy tube according to claim 1, characterized in that: The number of the tension springs (305) is two, and the two tension springs (305) are fixedly installed on both ends of the active block (304) in a mirror image.

6. A centerable clamping tool for use in the production of an alloy tube according to claim 3, characterized in that: The end of the guide rod (303) away from the fixed cylinder (301) is in a cylindrical shape, and the size of the cylindrical shape is matched with the shape of the sliding groove.

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