Horizontal rotor hanging pin tool clamp structure of centrifugal machine

Abstract

The utility model relates to the field of centrifugal machines, in particular to a horizontal rotor hanging pin work fixture structure of a centrifugal machine, which can solve the problems that after one end of a hanging pin to be machined is machined, the hanging pin needs to be detached and converted into the other end for machining, the operation is troublesome, and the work efficiency is not improved. Comprising a first fixing block and a second fixing block, a right angle is cut off from the left side of the first fixing block to form a first end face, and fixing holes are formed in the first fixing block on the right side of the first end face; a first screw is screwed on the first end face rightwards and rightwards, and a second screw is screwed on the upper side of the fixing hole downwards. A screw is arranged on the right side face of the first fixing block, a penetrating hole is formed in the second fixing block, a right angle is cut off from the right side of the second fixing block to form a second end face, the screw penetrates out of the penetrating hole, a locking nut is arranged at the outer end of the screw, and limiting structures are further arranged on the adjacent faces of the first fixing block and the second fixing block. A fixing base is fixedly arranged on the front side face of the second fixing block. The device is easy to operate, convenient to use and beneficial to improving efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge field, concretely is a kind of horizontal rotor hanging pin tooling fixture structure of centrifuge. BACKGROUND

[0002] At present, the horizontal rotor of large capacity basically adopts aluminum alloy rotor body equipped with hanging pin, its surface is smooth and even, and the processing difficulty is low, unlike the rough surface of cast rotor body. However, the non-cast hanging pin needs to be processed by equipment, and the hanging pin to be processed needs to be fixed during processing. The utility model discloses a kind of horizontal rotor hanging pin tooling fixture structure of centrifuge, and its working principle is as follows: the hanging pin 2 to be processed is placed in the mounting hole 11 of tooling fixture 1, the hanging pin 2 to be processed has a center positioning hole 21, the positioning screw mounting hole 13 needs to be aligned with the center positioning hole 21, the positioning screw 4 is inserted into the positioning screw mounting hole 13, and then the center positioning hole 21 is passed through and is tightened by screw thread connection, the stop screw 3 is screwed in the stop screw mounting hole 12 by screw thread, and the stop screw 3 is screwed on the hanging pin 2 to be processed, then the tooling fixture 1 is installed on the numerical control lathe, and the fixed shaft 14 is clamped on the three-jaw chuck of numerical control lathe. When the cylindrical surface is processed, the stop screw 3 and the positioning screw 4 are loosened respectively, the semi-finished hanging pin 5 is taken out, the direction is turned, and then the other end cylindrical surface of the semi-finished hanging pin 5 is also processed by the same method, so that the finished hanging pin is obtained.

[0003] The above-mentioned hanging pin tooling fixture structure can fix the hanging pin to be processed. However, in the process of use, it is found that it has defects: after the hanging pin to be processed is processed on one end, it needs to be disassembled and fixed for processing on the other end, which is relatively troublesome and is not conducive to improving work efficiency. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of horizontal rotor hanging pin tooling fixture structure of centrifuge, which can solve the problem that the hanging pin to be processed needs to be disassembled and fixed for processing on the other end after being processed on one end, which is relatively troublesome and is not conducive to improving work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of horizontal rotor hanging pin tooling fixture structure of centrifuge, including the first fixed block and the second fixed block formed by cutting the square along the vertical opposite side, the first end face is formed by cutting off right angle on the left side of the first fixed block, and the first fixed block is provided with fixed hole matched with the hanging pin to be processed on the front and back of the right side of the first end face, the fixed hole is respectively extended from the plane of the rear side and the plane of the front side of the first fixed block on the front and back ends;

[0006] The first screw is screwed on the first end face right side and matched with the center positioning hole of the side face of the hanging pin to be processed, and the second screw is screwed on the first fixing block upper side of the fixed hole and used for positioning the hanging pin to be processed;

[0007] The screw rod is vertically arranged on the right side face of the first fixing block, the second fixing block is provided with a through hole through which the screw rod passes, the right side of the second fixing block is cut off to form a second end face, the screw rod passes through the through hole and is provided with a locking nut at the outer end, and the adjacent faces of the first fixing block and the second fixing block are further provided with a limiting structure for preventing rotation.

[0008] The second fixing block is provided with a fixing seat on the front side face.

[0009] As a preferred technical scheme, the limiting structure comprises an arc-shaped protrusion vertically arranged on the right side face of the first fixing block, and an arc-shaped groove embedded on the left side face of the second fixing block and matched with the arc-shaped protrusion.

[0010] As a preferred technical scheme, the arc-shaped protrusion is a vertical strip structure and is arranged on the upper side and the lower side of the screw rod respectively.

[0011] As a preferred technical scheme, the arc-shaped groove is a vertical strip structure and is arranged on the upper side and the lower side of the through hole respectively.

[0012] As a preferred technical scheme, the fixing seat is in a cylindrical shape and is fixed to the front side face of the second fixing block.

[0013] As a preferred technical scheme, the length of the fixed hole is smaller than the length of the hanging pin to be processed.

[0014] As a preferred technical scheme, the inner surface of the fixed hole is in sliding fit with the outer surface of the hanging pin to be processed.

[0015] Compared with the prior art, the horizontal rotor hanging pin tool clamp structure of the centrifugal machine has the following beneficial effects:

[0016] 1. The first fixing block on the right side of the first end face is provided with a fixed hole matched with the hanging pin to be processed, the fixed hole is arranged on the plane of the rear side and the plane of the front side of the first fixing block, the fixed hole is used for inserting and fixing the hanging pin to be processed, the two ends of the hanging pin to be processed are arranged to respectively extend from the two ends of the fixed hole, and the first fixing block is combined with the second fixing block, so that the first fixing block is rotated to change the processing end of the hanging pin to be processed.

[0017] 2. The utility model discloses a first end face is screwed right with the first screw that cooperates with the center positioning hole of the side of the hanging pin to be processed, and the first fixed block of the fixed hole upper side is screwed down with the second screw that positions the hanging pin to be processed, when using, the first screw and the second screw can play the positioning effect to the hanging pin to be processed from different angles.

[0018] 3. The utility model discloses that the screw rod is passed out the perforation and is equipped with the lock nut at the outer end portion, and the limiting structure that prevents rotating is still equipped on the adjacent surface of first fixed block and second fixed block, when using, first fixed block and second fixed block can be locked and fixed through the lock nut, and the limiting structure can prevent the rotation of first fixed block when processing.

[0019] 4. The utility model discloses the fixed seat is fixed on the second fixed block front side, when using, the fixed seat can be clamped on the three-jaw chuck of numerical control lathe to fix the whole fixture.

[0020] 5. The utility model discloses the arc convexity is taken out the arc recess after the processing of the one end of the hanging pin to be processed, and the first fixed block is rotated 180 degrees, and the arc convexity is clamped into the arc recess, then the lock nut is screwed tightly, and the processing end conversion can be completed, simple operation, and the hanging pin to be processed does not need to be disassembled, and it is favorable to improve work efficiency. DRAWINGS

[0021] The drawings explained here are used to provide further understanding of the utility model and constitute a part of this application:

[0022] Figure 1 It is the split structure schematic diagram of the first embodiment of the utility model;

[0023] Figure 2 It is Figure 1 It is the schematic diagram of the three-dimensional structure of another angle;

[0024] Figure 3 It is Figure 1 It is the schematic diagram of the three-dimensional structure after assembling;

[0025] Figure 4 It is Figure 3 It is the schematic diagram of the three-dimensional structure of another angle.

[0026] Indicated in the drawing: 1. first fixed block;11. first end face;12. fixed hole;13. arc convexity;14. screw rod;2. second fixed block;21. second end face;22. perforation;23. arc recess;3. the hanging pin to be processed;4. first screw;5. second screw;6. lock nut;7. fixed seat. SPECIFIC EMBODIMENT

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] like Figures 1 to 4 As shown, a centrifuge horizontal rotor pin mounting fixture structure includes a first fixing block 1 and a second fixing block 2 formed by vertically cutting a cube along opposite sides. A right angle is cut off on the left side of the first fixing block 1 to form a first end face 11. Fixing holes 12, which mate with the pins 3 to be processed, are provided on the front and rear sides of the first fixing block 1 on the right side of the first end face 11. The front and rear ends of the fixing holes 12 extend from the rear and front planes of the first fixing block 1, respectively. A first screw 4 (anti-rotation) is screwed clockwise onto the first end face 11 to mate with the center positioning hole 31 on the side of the pin 3 to be processed. A second screw 5, which positions the pin 3 to be processed, is screwed downwards onto the first fixing block 1 above the fixing holes 12. A screw 14 is fixedly mounted perpendicularly to the center of the right side of the first fixing block 1. A through hole 22 for the screw 14 to pass through is provided to the right of the center of the left side of the second fixing block 2. A right angle is cut off on the right side of the second fixing block 2 to form a second end face 21. The screw 14 passes through the through hole 22 and a locking nut 6 is provided at its outer end. A limiting structure to prevent rotation is also provided on the adjacent surfaces of the first fixing block 1 and the second fixing block 2. A fixing seat 7 is fixedly mounted on the front side of the second fixing block 2.

[0030] The limiting structure includes an arc-shaped protrusion 13 vertically located on the right side of the first fixing block 2, and an arc-shaped groove 23 that mates with the arc-shaped protrusion 13 embedded on the left side of the second fixing block 2.

[0031] The arc-shaped protrusion 13 is a vertical strip structure, located on the upper and lower sides of the screw 14.

[0032] The arc-shaped groove 23 is a vertical strip structure, located on the upper and lower sides of the perforation 22.

[0033] The fixing base 7 is cylindrical, and its rear side is fixed to the front side of the second fixing block 2.

[0034] The length of the fixing hole 12 is less than the length of the hanging pin 3 to be processed, so that both ends of the hanging pin 3 to be processed extend out of the fixing hole 12.

[0035] The inner surface of the fixing hole 12 slides into contact with the outer surface of the hanging pin 3 to be processed.

[0036] In use, the fixing hole 12 is used for inserting the fixing pin 3 to be processed, the two ends of the fixing pin 3 to be processed respectively extend from the two ends of the fixing hole 12, and the first fixing block 1 is attached to the second fixing block 2, so as to rotate the first fixing block 1 to switch the processing end of the fixing pin 3 to be processed. The first screw 4 and the second screw 5 can play a positioning role on the fixing pin 3 to be processed from different angles. The first fixing block 1 and the second fixing block 2 can be locked and fixed through the locking nut 6, and the limiting structure can prevent the first fixing block 1 from rotating during processing. The fixing seat 7 can be clamped on the three-jaw chuck of the numerical control lathe, so as to fix the whole clamp. Specifically, when one end of the fixing pin 3 to be processed is processed, the locking nut 6 is loosened, the arc-shaped protrusion 13 is separated from the arc-shaped groove 23, the first fixing block 1 is rotated by 180 degrees, the arc-shaped protrusion 13 is clamped into the arc-shaped groove 23, and then the locking nut 6 is tightened, so that the switching of the processing end is completed. Simple operation, without disassembling the fixing pin 3 to be processed, can improve work efficiency.

[0037] The components used in the utility model are all general standard components or components known by those skilled in the art, and their structures and principles are well known to those skilled in the art.

[0038] It should be noted that in this paper, the terms "first", "second", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] The structures, proportions, sizes and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0040] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A horizontal rotor pinning tooling fixture structure for a centrifuge, characterized by: The first fixed block and the second fixed block are formed by vertically cutting a cube along opposite sides, the first fixed block has a first end face formed by cutting a right angle on the left side, and a fixing hole is arranged on the first fixed block in front of and behind the first end face and cooperates with a hanging pin to be machined, the fixing hole extends from the plane on the rear side and the plane on the front side of the first fixed block respectively at the front end and the rear end; A first screw is screwed on the first end face to the right and cooperates with a center positioning hole on the side of the hanging pin to be machined, and a second screw is screwed on the first fixed block above the fixing hole to position the hanging pin to be machined; A screw rod is fixed vertically on the right side surface of the first fixed block at the center position, a through hole is arranged on the second fixed block for the screw rod to pass through to the right, a second end face is formed by cutting a right angle on the right side of the second fixed block, the screw rod passes through the through hole and is provided with a locking nut at the outer end, and a limiting structure is further arranged on the adjacent surface of the first fixed block and the second fixed block to prevent rotation; A fixed seat is fixed on the front side surface of the second fixed block.

2. A horizontal rotor pinning tooling fixture structure for a centrifuge as defined in claim 1, wherein: The limiting structure comprises an arc-shaped protrusion vertically arranged on the right side surface of the first fixed block, and an arc-shaped groove is embedded on the left side surface of the second fixed block and cooperates with the arc-shaped protrusion.

3. A horizontal rotor pinning tooling fixture structure for a centrifuge as defined in claim 2, wherein: The arc-shaped protrusion is a vertical strip structure and is arranged on the upper side and the lower side of the screw rod respectively.

4. A horizontal rotor pinning tooling fixture structure for a centrifuge as defined in claim 2, wherein: The arc-shaped groove is a vertical strip structure and is arranged on the upper side and the lower side of the through hole respectively.

5. The horizontal rotor pinning tooling fixture structure for a centrifuge as set forth in claim 1, wherein: The fixed seat is in a cylindrical shape and is fixed on the front side surface of the second fixed block.

6. A horizontal rotor pinning tooling fixture structure for a centrifuge as defined in claim 1, wherein: The length of the fixing hole is less than the length of the hanging pin to be machined.

7. The horizontal rotor pinning tooling fixture structure for a centrifuge as set forth in claim 1, wherein: The inner surface of the fixing hole is in sliding cooperation with the outer surface of the hanging pin to be machined.

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