A seamless steel cylinder centering clamping device with adjustment function

Abstract

The utility model discloses a centering clamping device for seamless steel cylinders with an adjustment function, comprising: a frame with four square columns, the lower part of the frame supporting the seamless steel cylinder; a pair of lower centering cylinders on both sides of the lower part of the seamless steel cylinder are fixed to the frame, and a pair of upper centering cylinders on both sides of the upper part of the seamless steel cylinder are respectively fixed to a pair of moving assemblies, the moving assembly has a centering clamping device that moves up and down along the square columns, the centering clamping device center-locks a pair of upper centering cylinders on the square columns, and controls the cylinder stroke to complete the centering clamping of the seamless steel cylinder. The beneficial effect is: the moving assembly acts as a slide block to move up and down along the guide rail of the frame, driving a pair of upper centering cylinders to adjust seamless steel cylinders of different specifications to the best centering clamping position, with the advantages of a small number of centering cylinders, accurate adjustment of the best centering position of the seamless steel cylinder, convenient operation and low manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel cylinders, in particular to a seamless steel cylinder centering clamping device with an adjustment function. Background Art

[0002] At present, in the field of seamless steel cylinder technology, whether it is canning or safety testing, it is required that the center of the seamless steel cylinder be accurately aligned with the center of the canning device or the center of the detection device, which is the premise for ensuring the improvement of the canning efficiency of seamless steel cylinders and the safety testing of seamless steel cylinders. The existing seamless steel cylinder centering clamping device includes a frame, which supports the seamless steel cylinder on the lower bottom plate inside the frame, and a test unit (including a canning device or a detection device) is provided on the upper part of the frame. In order to ensure that the center of the test unit is accurately aligned with the center of the seamless steel cylinder, a pair of lower centering cylinders and a pair of upper centering cylinders with the same structure and mirror symmetry are provided on the upper and lower sides near the optimal centering clamping position of the seamless steel cylinder body, respectively. The pair of lower centering cylinder bodies and the pair of upper centering cylinder bodies are respectively fixed on the frame, and the centering clamping of the seamless steel cylinder is completed by controlling the stroke of the cylinder. The above-mentioned prior art has the following defects: the upper and lower sets of centering cylinders in the prior art are both fixed on the frame, and can only be used for the precise centering and clamping of seamless steel cylinders of a single specification (height and diameter). When adjusting the centering and clamping of seamless steel cylinders of other specifications, especially the upper pair of centering cylinders cannot achieve the optimal centering and clamping position of the seamless steel cylinders, resulting in poor centering and clamping effect. Only by re-fixing the upper pair of centering cylinders on the frame according to the optimal centering and clamping position of the new specification of the steel cylinder can the seamless steel cylinder be precisely centering and clamping. The above-mentioned prior art has the characteristics of complex structure, high cost, low efficiency, and is not suitable for the centering and clamping needs of seamless steel cylinders of various specifications. Summary of the invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a pair of upper centering cylinders that can be lifted and moved along the frame, have an adjustment function, adapt to the optimal centering and clamping positions of seamless steel cylinders of various specifications, and can accurately center and clamp the test unit. A seamless steel cylinder centering clamping device with an adjustment function.

[0004] The technical solution to solve the above technical problems is: a seamless steel cylinder centering clamping device with an adjustment function, comprising: a frame is composed of four square columns arranged at intervals to form a square frame, a test unit is arranged on the upper part of the frame, and the seamless steel cylinder is supported on the steel cylinder support plate at the lower inner side of the square frame of the frame; a pair of lower centering cylinders and a pair of upper centering cylinders with the same structure, mirror symmetry and relative positions are respectively arranged at the lower and upper parts of both sides of the seamless steel cylinder, the pair of lower centering cylinders are respectively fixed on the cylinder support plates, the cylinder support plates are fixed on the lower part of the square columns, the pair of upper centering cylinders are respectively fixed on a pair of moving assemblies with the same structure, mirror symmetry, and the pair of moving assemblies are respectively arranged

[0005] There is a centering clamping device with the same mirror-symmetrical structure that moves up and down along a pair of square columns. After the pair of moving assemblies respectively drive the pair of upper centering cylinders to move to the optimal positions on both sides of the upper cylindrical body of the seamless steel cylinder, the centering clamping device centers and locks the pair of upper centering cylinders on the square columns. The centering clamping of the seamless steel cylinder is completed by controlling the cylinder stroke by a pair of lower centering cylinders and a pair of upper centering cylinders.

[0006] The preferred solution is that: the moving assembly is an "I"-shaped frame composed of a rib plate fixed between two upper and lower parallel upper support plates and a lower support plate; the top surface of the upper support plate fixedly supports the upper centering cylinder, and the left and right sides of the upper support plate and the lower support plate are respectively fixed on the inner side plates of a pair of U-shaped sliders with the same structure and symmetrical positions, the U-shaped slider groove is slidably matched with the square column with its opening facing the outside of the square frame of the frame, and the closing plate is fixedly closed on the open end face of the U-shaped slider groove; the centering clamping device is respectively arranged on the closing plate, the inner side plate of the U-shaped slider and the outer side plate of the U-shaped slider.

[0007] The preferred solution is that the height of the I-shaped frame of the moving assembly is the same as the height of the U-shaped sliding block.

[0008] The preferred solution is that the centering clamping device includes a tightening member and a locking member; the tightening members are respectively located on the closing plate and the outer plate of the U-shaped slider, and their structures include: a clamping block, a tightening bolt and a fastening nut; the clamping block is slidably mounted in the through hole of the closing plate and the through hole of the outer plate respectively; the fastening nut is respectively fixed on the outer side surface of the through hole of the closing plate and the through hole of the outer plate, and the tightening bolt passes through the fastening nut on the closing plate to press the clamping block in the through hole of the closing plate against one side of the square column; the tightening bolt passes through the fastening nut on the outer plate Then, the clamping block in the through hole of the outer plate is pushed against the other side of the square column; the locking member is arranged on the inner plate of the U-shaped slider, and its structure includes: a clamping block, a limiting bolt, a limiting nut, a locking nut and a fastening nut; the clamping block is slidably mounted in the through hole of the inner plate, and the fastening nut is fixed on the outer side of the through hole of the inner plate; after the limiting bolt is equipped with the locking nut, the limiting nut and the fastening nut in sequence, the clamping block in the through hole of the inner plate is pushed against the side of the square column opposite to the outer plate; the center of the clamping bolt of the clamping member and the center of the limiting bolt of the locking member are located in the same horizontal plane.

[0009] The preferred solution is that the best positions for centering and clamping the seamless steel cylinder are: the outer circle on both sides of the bottom of the cylinder at the lower part of the seamless steel cylinder body and the outer circle on both sides of the cylinder adjacent to the top arc surface at the upper part of the seamless steel cylinder body.

[0010] The preferred solution is that the square columns of the frame are one of solid columns and square tubes.

[0011] The preferred solution is that the pair of lower centering cylinders and the pair of upper centering cylinders each include a limiting cylinder and a clamping cylinder, the limiting cylinders are both located on one side of the seamless steel cylinder, and the clamping cylinders are both located on the other side of the seamless steel cylinder.

[0012] The beneficial effects of the utility model are as follows: the utility model only needs two groups of centering cylinders, one group is a pair of lower centering cylinders fixed at the lower part of the frame, and the other group of upper centering cylinders is equipped with a moving assembly as a guide rail slider, and the frame is used as a guide rail to drive the pair of upper centering cylinders to move up and down to achieve stepless adjustment. The centering clamping device is simple to operate and easy to control, and can adjust seamless steel cylinders of different specifications to the best centering clamping position. It can be used to accurately align the centers of seamless steel cylinders of various varieties and specifications with the center of the canning device or the center of the detection device. It has a small number of centering cylinders and can improve the filling and detection efficiency of seamless steel cylinders. It has the advantages of accurately adjusting the best centering position of seamless steel cylinders, convenient operation and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the front view of the utility model, showing that a pair of lower centering cylinders are centering and clamping at the best position of the lower part of the seamless steel cylinder, and the moving assembly moves along the square column to drive a pair of upper centering cylinders to center and clamp at the best position of the upper part of the seamless steel cylinder;

[0014] Figure 1a yes Figure 1 An enlarged view of part B of the mobile assembly is shown, showing the I-shaped frame and the U-shaped slider, and the tightening members on the outer plate of the U-shaped slider and the closing plate;

[0015] Figure 2 yes Figure 1 The left side view shows two U-shaped sliders connected to the left and right sides of the "I"-shaped frame of the moving assembly and two closing plates closing the open end faces of the two U-shaped sliders;

[0016] Figure 2a yes Figure 2 Enlarged view of middle C;

[0017] Figure 3 yes Figure 2 The EE section view shows the position and structure of the tightening member and the locking member;

[0018] Figure 4 yes Figure 3 Enlarged view of part D in the middle.

[0019] Description of the serial numbers in the attached drawings:

[0020] 1: frame; 1a: square column; 2: test unit; 3: seamless steel cylinder; 4: upper centering cylinder; 5: moving assembly; 5a: jacking bolt; 5b: fastening nut; 5c: clamping block; 5d: U-shaped slider; 5e: closing plate; 5f: fastening screw; 5g: lower support plate; 5h: upper support plate; 5i: rib plate; 5j: limit nut; 5k: limit bolt; 5l: locking nut; 5m: outer plate; 5n: inner plate;

[0021] 6: Lower centering cylinder; 7: Cylinder support plate; 8: Cylinder support plate; 9: Clamping block. DETAILED DESCRIPTION

[0022] The purpose, technical solutions and advantages of the utility model are described in detail below.

[0023] The utility model discloses a seamless steel cylinder centering clamping device with an adjustment function, comprising:

[0024] The rack 1 is a square frame formed by four square columns 1a arranged at intervals. A test unit 2 is arranged at the center of the upper part of the square column 1a of the rack 1. The test unit 2 includes a liquefied gas filling device or a cylinder detection device.

[0025] A pair of lower centering cylinders 6 with the same structure and mirror symmetry are located at the lower part of both sides of the cylinder of the seamless steel cylinder 3, and a pair of upper centering cylinders 4 with the same structure and mirror symmetry are located at the upper part of both sides of the cylinder of the seamless steel cylinder 3.

[0026] The pair of lower centering cylinders 6 correspond to the pair of upper centering cylinders 4 in upper and lower positions. The pair of lower centering cylinders 6 are respectively fixed on cylinder support plates 7, and the support plates 7 are fixed on the lower part of the square column 1a.

[0027] like Figure 1 , Figure 1a As shown, the pair of upper centering cylinders 4 are respectively fixed to a pair of moving assemblies 5 with identical mirror-symmetrical structures by fasteners (not shown in the figure), and the pair of moving assemblies 5 are respectively provided with centering clamping devices with identical mirror-symmetrical structures that move up and down along a pair of square columns 1a. After the pair of moving assemblies 5 respectively drive the pair of upper centering cylinders 4 to move to the optimal positions on both sides of the upper cylindrical body of the seamless steel cylinder 3, the centering clamping devices center and lock the pair of upper centering cylinders 4 on the square column 1a, and the centering clamping of the seamless steel cylinder 3 is completed by controlling the cylinder stroke by a pair of lower centering cylinders 6 and a pair of upper centering cylinders 4.

[0028] like Figure 1a , Figure 2 , Figure 2aAs shown, the moving assembly 5 is an "I"-shaped frame formed by welding and fixing a rib plate 5i between two upper and lower parallel upper support plates 5h and lower support plates 5g; the top surface of the upper support plate 5h fixedly supports the upper centering cylinder 4, and the left and right sides of the upper support plate 5h and the lower support plate 5g are respectively welded and fixed on the inner plate 5n of a pair of U-shaped sliders 5d with the same structure and symmetrical positions, the groove of the U-shaped slider 5d is slidably matched with the square column 1a with its opening facing the outside of the square frame of the frame 1, and the closing plate 5e is fixed and closed on the open end surface of the groove of the U-shaped slider 5d with four fastening screws 5f; the centering clamping device is respectively arranged on the closing plate 5e, the inner plate 5n of the U-shaped slider 5d and the outer plate 5m of the U-shaped slider 5d.

[0029] The height of the I-shaped frame of the moving assembly 5 is the same as the height of the U-shaped sliding block 5d.

[0030] like Figure 3 , Figure 4 As shown, the centering clamping device includes a clamping member and a locking member; the clamping members are respectively located on the closing plate 5e and the outer plate 5m of the U-shaped slider 5d, and their structures include: a clamping block 5c, a clamping bolt 5a and a fastening nut 5b; the clamping block 5c is slidably mounted in the through hole of the closing plate 5e and the through hole of the outer plate 5m, respectively; the fastening nut 5b is welded and fixed on the outer side surface of the through hole of the closing plate 5e and the outer side surface of the through hole of the outer plate 5m, respectively, and the clamping bolt 5a passes through the fastening nut 5b on the closing plate 5e, and then the clamping block 5c in the through hole of the closing plate 5e is pressed against one side of the square column 1a; the clamping bolt 5a passes through the fastening nut 5b on the outer plate 5m, and then the clamping block 5c in the through hole of the outer plate 5m is pressed against the other side of the square column 1a.

[0031] The locking member is arranged on the inner plate 5n of the U-shaped slider 5d, and its structure includes: a clamping block 5c, a limiting bolt 5k, a limiting nut 5j, a locking nut 5l and a fastening nut 5b; the clamping block 5c is slidably mounted in the through hole of the inner plate 5n, and the fastening nut 5b is welded and fixed on the outer surface of the through hole of the inner plate 5n; the limiting bolt 5k is sequentially equipped with the locking nut 5l, the limiting nut 5j and the fastening nut 5b, so that the clamping block 5c in the through hole of the inner plate 5n is pressed against the side of the square column 1a opposite to the outer plate 5m. The center of the clamping bolt 5a of the clamping member and the center of the limiting bolt 5k of the locking member are located in the same horizontal plane.

[0032] The best positions for centering and clamping the seamless steel cylinder 3 are: the outer circle on both sides of the bottom of the cylinder at the lower part of the seamless steel cylinder 3 and the outer circle on both sides of the cylinder adjacent to the top arc surface at the upper part of the seamless steel cylinder 3.

[0033] The square column 1a of the frame 1 is one of a solid column and a square tube.

[0034] The pair of lower centering cylinders 6 and the pair of upper centering cylinders 4 each include a limit cylinder and a clamping cylinder, the limit cylinders are located on one side of the seamless steel cylinder 3, and the clamping cylinders are located on the other side of the seamless steel cylinder 3. The working state is: the piston rods of the two limit cylinders of the lower centering cylinder 6 and the upper centering cylinder 4 are extended first, and the clamping block 9 at the end of the piston rod bears against one side of the seamless steel cylinder 3, then the clamping cylinder of the lower centering cylinder 6 works, and the clamping block 9 at the end of the piston rod clamps the lower part of the seamless steel cylinder 3, and then the pneumatic delay is controlled by the control system, and the clamping cylinder of the upper centering cylinder 4 works again, so as to ensure that the clamped seamless bottle is in the best position of the axis line in the square column 1a frame.

[0035] The following is a description of the workflow of the utility model:

[0036] 1. Manually adjust the U-shaped sliders 5d on the left and right sides of the moving assembly 5 to move along the square column 1a, and move the pair of upper centering cylinders 4 held by the moving assembly 5 to the best position for centering and clamping the upper part of the seamless steel cylinder 3 (such as Figure 1 shown);

[0037] 2. Adjust the locking member and the tightening member in the U-shaped slider respectively:

[0038] First, adjust the locking member on the inner plate 5n of the U-shaped slider 5d: adjust the limit bolt 5k so that the limit bolt 5k pushes the clamping block 5c to move and press against the side of the square column 1a, then adjust the limit nut 5j to firmly contact the end face of the fastening nut 5b, and then tighten the locking nut 5l to firmly contact the limit nut 5j to prevent loosening;

[0039] Secondly, adjust the tightening member on the closing plate 5e: adjust the tightening bolt 5a on the closing plate 5e, so that the tightening bolt 5a pushes the pressing block 5c to move and tighten the side of the square column 1a;

[0040] Finally, adjust the tightening member on the outer plate 5m of the U-shaped slider 5d: adjust the tightening bolt 5a on the outer plate 5m, and let the tightening bolt 5a push the clamping block 5c to move and tighten the side of the square column 1a.

[0041] At this time, the adjusted pair of moving assemblies 5 lock a pair of upper centering cylinders on the square column 1a of the frame 1, and the control system controls the upper and lower centering cylinders to clamp the seamless steel cylinder 3 in the centering position in an orderly manner to complete the filling or inspection of the seamless steel cylinder 3.

Claims

1. A seamless steel cylinder centering clamping device with an adjustment function, comprising: The frame (1) is a square frame formed by four square columns (1a) arranged at intervals. A test unit (2) is arranged on the upper part of the frame (1). A seamless steel cylinder (3) is supported on a steel cylinder support plate (8) at the lower inner side of the square frame of the frame (1). A pair of lower centering cylinders (6) and a pair of upper centering cylinders (4) having the same structure, mirror symmetry and relative positions are respectively arranged at the lower and upper parts of both sides of the cylinder of the seamless steel cylinder (3). The pair of lower centering cylinders (6) are respectively fixed on cylinder support plates (7), and the cylinder support plates (7) are fixed on the lower part of the square column (1a). The feature of the pair of upper centering cylinders (4) is that ) are respectively fixed on a pair of movable assemblies (5) with identical mirror-symmetrical structures, and the pair of movable assemblies (5) are respectively provided with centering clamping devices with identical mirror-symmetrical structures that move up and down along a pair of square columns (1a). After the pair of movable assemblies (5) respectively drive the pair of upper centering cylinders (4) to move to the optimal positions on both sides of the upper cylindrical body of the seamless steel cylinder (3), the centering clamping devices center and lock the pair of upper centering cylinders (4) on the square columns (1a), and the centering clamping of the seamless steel cylinder (3) is completed by controlling the cylinder stroke by a pair of lower centering cylinders (6) and a pair of upper centering cylinders (4).

2. A seamless steel cylinder centering clamping device with adjustment function according to claim 1, characterized in that: The moving assembly (5) is an "I"-shaped frame formed by fixing a rib plate (5i) between two upper and lower parallel upper support plates (5h) and lower support plates (5g); the upper support plate (5h) is fixedly supported on the top surface of the upper support plate (5h) by the upper centering cylinder (4); the left and right sides of the upper support plate (5h) and the lower support plate (5g) are respectively fixed on the inner side plates (5n) of a pair of U-shaped sliders (5d) with the same structure and symmetrical positions; the groove of the U-shaped slider (5d) is slidably matched with the square column (1a) with its opening facing the outer side of the square frame of the frame (1); the closing plate (5e) is fixedly closed on the open end surface of the groove of the U-shaped slider (5d); the centering clamping device is respectively arranged on the closing plate (5e), ​​the inner side plate (5n) of the U-shaped slider (5d) and the outer side plate (5m) of the U-shaped slider (5d).

3. A seamless steel cylinder centering clamping device with adjustment function according to claim 2, characterized in that: The height of the I-shaped frame of the moving assembly (5) is the same as the height of the U-shaped sliding block (5d).

4. A seamless steel cylinder centering clamping device with adjustment function according to claim 2, characterized in that: The centering clamping device comprises a clamping member and a locking member; the clamping members are respectively located on the closing plate (5e) and the outer plate (5m) of the U-shaped slider (5d), and their structures include: a clamping block (5c), a clamping bolt (5a) and a fastening nut (5b); the clamping block (5c) is slidably mounted in the through hole of the closing plate (5e) and the through hole of the outer plate (5m); the fastening nuts (5b) are respectively fixed on the closing plate (5e) and the outer plate (5m). On the outer side of the through hole of the outer plate (5e) and the outer side of the through hole of the outer plate (5m), the said pressing bolt (5a) passes through the fastening nut (5b) on the closing plate (5e) and then presses the pressing block (5c) in the through hole of the closing plate (5e) against one side of the square column (1a); the said pressing bolt (5a) passes through the fastening nut (5b) on the outer plate (5m) and then presses the pressing block (5c) in the through hole of the outer plate (5m) against the other side of the square column (1a); The locking member is arranged on the inner plate (5n) of the U-shaped slider (5d), and its structure comprises: a clamping block (5c), a limiting bolt (5k), a limiting nut (5j), a locking nut (5l) and a fastening nut (5b); the clamping block (5c) is slidably mounted in the through hole of the inner plate (5n), and the fastening nut (5b) is fixed on the outer surface of the through hole of the inner plate (5n); the limiting bolt (5k) is sequentially equipped with the locking nut (5l), the limiting nut (5j) and the fastening nut (5b), so that the clamping block (5c) in the through hole of the inner plate (5n) is pressed against the side of the square column (1a) opposite to the outer plate (5m); the center of the clamping bolt (5a) of the clamping member and the center of the limiting bolt (5k) of the locking member are located in the same horizontal plane.

5. A seamless steel cylinder centering clamping device with adjustment function according to claim 1, characterized in that: The optimal positions for centering and clamping the seamless steel cylinder (3) are: the outer circles on both sides of the bottom of the cylinder at the lower part of the seamless steel cylinder (3) and the outer circles on both sides of the cylinder at the upper part of the seamless steel cylinder (3) and adjacent to the top arc surface.

6. A seamless steel cylinder centering clamping device with adjustment function according to claim 1, characterized in that: The square column (1a) of the frame (1) is one of a solid column and a square tube.

7. A seamless steel cylinder centering clamping device with adjustment function according to claim 1, characterized in that: The pair of lower centering cylinders (6) and the pair of upper centering cylinders (4) each comprise a limit cylinder and a clamping cylinder, the limit cylinders being located on one side of the seamless steel cylinder (3) and the clamping cylinders being located on the other side of the seamless steel cylinder (3).

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