CN217344820U

CN217344820U - Self-compensating type joint line grinding device

Info

Publication number: CN217344820U
Application number: CN202221317936.3U
Authority: CN
Inventors: 颜德炽; 丁英杰; 高健; 曹景强
Original assignee: Zibo Furuite Thermal Energy Technology Co ltd
Current assignee: Zibo Furuite Thermal Energy Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to the field of oil well pipe processing devices for the oil industry, in particular to a self-compensating type joint line grinding device, which comprises a base unit, a steel pipe clamping unit, a variable speed compensation unit, a driving motor and a grinding wheel, and is characterized in that the steel pipe clamping unit comprises two clamping parts which are respectively and fixedly arranged at the two ends of the long edge of the base unit to clamp a steel pipe, one side of the steel pipe clamping unit on the base unit is provided with a compensation part bracket, the variable speed compensation unit and the driving motor are arranged on the compensation part bracket, the variable speed compensation unit is driven by the driving motor, the tail end of the variable speed compensation unit is rotatably connected with the grinding wheel and movably pasted on the steel pipe line, the device is convenient to use, greatly reduces the labor intensity, improves the production efficiency, can finish the precision and has stable grinding quality, and potential safety hazards in the production process are reduced.

Description

Self-compensating type joint line grinding device

Technical Field

The utility model relates to an oil well pipe processingequipment field for the oil industry, concretely relates to self compensating formula joint line grinding device.

Background

The end of oil well pipe is thickened by die forging, the die is cut into two semi-circular blocks, and when the die is processed, the two semi-circular blocks are combined into a whole circle, so that the required shape and size are forged. However, the pipe participates in the deformation part, and part of metal at the joint of the two half blocks is extruded out, so that an axial rib, namely a joint line, is formed on the outer surface of the thickened area. The existence of joint line has influenced the centre gripping of pipeline, can form the phenomenon of wearing and tearing to the inside pipe wall in the pit after the oil pipe that has the joint line goes into the pit, produces not good influence to subsequent fracturing, production and fish fishing, and at present, each enterprise all passes through the coping processing to the processing of burr, and the majority adopts artifical coping processing. The labor intensity of manual grinding is high, the efficiency is low, potential safety hazards exist, and the grinding quality is uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self compensating formula joint line grinding device to the defect that prior art exists.

The technical scheme of the utility model is that:

the utility model provides a self compensating type joint line grinding device, includes base unit, steel pipe centre gripping unit, variable speed compensation unit, driving motor and the emery wheel of polishing, steel pipe centre gripping unit include two clamping parts and respectively fixed set up in the both ends on the long limit of base unit carry out the centre gripping to the steel pipe on the base unit one side of steel pipe centre gripping unit is provided with compensation portion support, variable speed compensation unit and driving motor set up in on the compensation portion support, variable speed compensation unit by driving motor drive, variable speed compensation unit's end with the emery wheel of polishing rotates to be connected and the activity is laminated in steel pipe joint line.

The variable speed compensation unit comprises a compensation lever, a compensation spring and a linkage belt, wherein a rotating shaft of the compensation lever is rotatably connected with the compensation part support, one end of the compensation lever is rotatably connected with the grinding wheel, the other end of the compensation lever is connected with the compensation spring fixed on the compensation part support, the driving motor drives the linkage belt, the linkage belt is connected with a rotating shaft of the grinding wheel and drives the grinding wheel to rotate, and when the grinding wheel is abraded, the compensation spring drives the compensation lever to rotate to drive the grinding wheel to be automatically attached to a steel pipe assembly line.

Preferably, the variable speed compensation unit further comprises a middle rotating wheel and a variable speed belt, the middle rotating wheel is a structure in which two belt pulleys with different diameters are connected through a rotating shaft, the middle of the middle rotating wheel is rotatably connected with the compensation part support, the diameter of the outer side belt pulley of the middle rotating wheel is smaller than that of the inner side belt pulley, the upper portion of the variable speed belt is connected with the driving motor, the lower portion of the variable speed belt is connected with the outer side belt pulley of the middle rotating wheel, one side of the linkage belt is connected with the inner side belt pulley of the middle rotating wheel, and the other side of the linkage belt is connected with the rotating shaft of the grinding wheel.

Preferably, two clamping parts and every clamping part include spacing grip ring, centre gripping cylinder and go up the grip block around the steel pipe centre gripping unit includes, spacing grip ring with base unit fixed connection, the inside of spacing grip ring is provided with the lug of arc recess and laminates with the outer wall adaptation of steel pipe, the open-top and one side of spacing grip ring with centre gripping cylinder fixed connection, the lower terminal surface of going up the grip block be the arc and with the outer wall shape adaptation of steel pipe, go up the spacing slip of grip block in the open-top of spacing grip ring and by centre gripping cylinder drive up-and-down motion.

Preferably, a steel pipe pushing motor is further arranged on the base unit, the steel pipe pushing motor is divided into a front part and a rear part and is respectively arranged on the front side and the rear side of the base unit, and a driving end of the steel pipe pushing motor is provided with a pushing roller and drives the steel pipe to move along the axial direction of the steel pipe clamping unit.

Preferably, a middle support is arranged in the middle of the base unit, the top end of the middle support is an arc-shaped groove and is matched and attached with the outer wall of the steel pipe, and the middle support corresponds to the polishing grinding wheel in the horizontal direction.

Preferably, the driving motor, the steel pipe pushing motor and the clamping cylinder are electrically connected with the PLC control unit. .

Compared with the prior art, the utility model, have following advantage:

the device is convenient to use, greatly reduces the labor intensity, improves the production efficiency, can finish accurate grinding, has stable grinding quality, and reduces the potential safety hazard in the production process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the linkage relationship of the transfer wheel;

in the figure: 1-base unit, 11-middle support, 12-compensation support;

2-a steel pipe clamping unit, 21-a limiting clamping ring, 22-a clamping cylinder and 23-an upper clamping block;

3-steel tube pushing motor, 31-pushing roller;

4-variable speed compensation unit, 41-compensation lever, 42-linkage belt, 43-compensation spring, 44-middle rotating wheel and 45-variable speed belt;

5-driving a motor;

6-grinding the grinding wheel.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Example one

Referring to fig. 1 and 2, a self-compensating type parting line grinding device includes a base unit 1, a steel pipe clamping unit 2, a variable speed compensating unit 4, a driving motor 5 and a grinding wheel 6, the steel pipe clamping unit 2 for clamping and fixing a steel pipe is arranged at both ends of the base unit 1 in a long side direction, a compensating part support 12 is arranged at one side of the steel pipe clamping unit 2 on the base unit 1, the compensating part support 12 is connected with the variable speed compensating unit 4 and the driving motor 5, the variable speed compensating unit 4 is driven by the driving motor 5 and has a movable end connected with the grinding wheel 6 in a rotating manner, the variable speed compensating unit 4 includes a compensating lever 41, a compensating spring 43, a linkage belt 42, a transfer wheel 44 and a variable speed belt 45, a lever hanger is arranged at one side of the compensating part support 12 close to the steel pipe, the compensating lever 41 is connected with the compensating part support 12 in a rotating manner through the lever hanger, one end of the compensating lever 41 is connected with the grinding wheel 6 in a rotating manner, and the other end is connected with the compensating part support 12 fixed with the compensating part support 12 in a rotating manner The compensation spring 43 is connected, after the grinding wheel 6 is abraded, the compensation spring 43 applies acting force to drive the grinding wheel 6 to press down through the compensation lever 41, automatic compensation is completed, the speed change structure of the speed change compensation unit 4 realizes the functions of speed change and steering through multi-stage belt pulleys, the transfer pulley 44 is rotatably connected with the other side of the compensation part support 12 and is arranged below the driving motor 5, the front side and the rear side of the transfer pulley 44 are respectively provided with belt pulleys with different diameters, the belt pulley on the outer side is smaller than the belt pulley on the inner side, the belt pulley on the outer side is connected with the driving motor 5 through the speed change belt 45, the belt pulley on the inner side is connected with a rotating shaft of the grinding wheel 6 through the linkage belt 42, and due to the fact that the diameters of the front end and the rear end are different, the speed after the transmission through the two layers of belt pulleys is changed, and the speed change effect is generated. Since the rotating shaft of the grinding wheel 6 is moved, a fixed driving shaft cannot be used, and thus, the steering function can be realized by belt driving. In the actual use process, a compensation air cylinder can be used for replacing the compensation spring 43 so as to realize better control, and the compensation air cylinder and the driving motor 5 are electrically connected with the PLC control unit.

Example two

Referring to fig. 1 and 2, the steel pipe clamping unit 2 includes two sets of structures for clamping steel pipes from front and rear ends, each set of structure includes an upper clamping block 23, a clamping cylinder 22 and a limiting clamping ring 21, the bottom of the limiting clamping ring 21 is fixedly connected with the base unit 1, the lower portion of the inner wall of the limiting clamping ring 21 is upwardly arc-shaped and matched with the outer wall of the steel pipe in shape, one side of the limiting clamping ring 21 is fixedly provided with the clamping cylinder 22 and is provided with a top opening, the clamping cylinder 22 drives the upper clamping block 23 to move in a limiting manner in the upper opening of the limiting clamping ring 21, the lower end face of the upper clamping block 23 is arc-shaped and matched with the outer wall of the steel pipe in shape, the clamping cylinder 22 is electrically connected with the PLC control unit, and the clamping cylinder 22 is controlled by the PLC control unit.

The steel pipe clamping unit 2 clamps the steel pipe by driving the upper clamping block 23 through the clamping cylinder 22, so that the steel pipe is prevented from rotating and is supported in a position limiting manner when being polished, and the stable processing state is ensured.

EXAMPLE III

Referring to fig. 1 and 2, the same as the second embodiment, except that a middle support 11 and a steel tube pushing motor 3 are further disposed on the base unit 1, the middle support 11 corresponds to the vertical position of the grinding wheel 6, the middle support 11 supports the steel tube to prevent the steel tube from falling due to gravity center change, and also supports the steel tube during grinding, the steel tube pushing motor 3 is divided into two parts and disposed at the front and rear sides of the base unit 1, the driving end of the steel tube pushing motor 3 is connected with a pushing roller 31, the steel tube pushing motor 3 drives the steel tube to move along the long side direction of the base unit 1 through the pushing roller 31, the steel tube pushing motor 3 is also electrically connected with the PLC control unit, the steel tube pushing motor 3 and the steel tube clamping unit 2 move in a matching interval, when grinding is needed, the steel tube clamping unit 2 clamps the steel tube, guarantee the processing of steel pipe stable, after this section steel pipe processing, steel pipe pushing motor 3 starts, promotes the steel pipe backward, and then steel pipe clamping unit 2 cliies the steel pipe once more, polishes the steel pipe once more. The steel pipe can be controlled to advance by arranging the steel pipe pushing motor 3, and the steel pipe can be rapidly processed.

The working principle is as follows:

1. a worker or upstream processing equipment sends a steel pipe into the steel pipe clamping unit 2 from the front end, then the steel pipe pushing motor 3 rotates to convey the steel pipe backwards, the rear end of the steel pipe enters the middle support 11, the operator lifts the tail end of the compensation lever 41, the compensation lever 41 is put down after the steel pipe enters, the steel pipe pushing motor 3 stops rotating, the clamping cylinder 22 starts to push the upper clamping block 23 to clamp the steel pipe, then the driving motor 5 starts to sequentially drive the speed change belt 45, the transfer wheel 44, the linkage belt 42 and the grinding wheel 6, and the grinding wheel 6 grinds a joint line of the steel pipe.

2. After the joint line of this part is polished, the clamping cylinder 22 starts to loosen the centre gripping to the steel pipe, then the steel pipe pushing motor 3 starts to promote the steel pipe rearward movement, and the steel pipe pushing motor 3 stop motion after the grinding wheel 6 is aimed at to the position of waiting to polish of current section, the clamping cylinder 22 starts and carries out the centre gripping to the steel pipe, then driving motor 5 starts, drives the grinding wheel 6 and rotates, polishes the steel pipe.

3. Repeat 2 steps until the joint line of steel pipe is all polished totally, and the in-process emery wheel 6 of polishing has taken place wearing and tearing, and the diameter diminishes, and compensating spring 43 applys the effort to compensation lever 41 this moment, guarantees that emery wheel 6's laminating is polished to the effect of polishing has been guaranteed.

The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.

Claims

1. A self-compensating type joint line grinding device comprises a base unit, a steel pipe clamping unit, a variable speed compensating unit, a driving motor and a grinding wheel, and is characterized in that the steel pipe clamping unit comprises two clamping parts and is fixedly arranged at two ends of a long edge of the base unit respectively for clamping a steel pipe, a compensating part bracket is arranged on one side of the steel pipe clamping unit on the base unit, the variable speed compensating unit and the driving motor are arranged on the compensating part bracket, the variable speed compensating unit is driven by the driving motor, and the tail end of the variable speed compensating unit is rotatably connected with the grinding wheel and movably attached to a joint line of the steel pipe;

2. The self-compensating parting line grinding device according to claim 1, wherein: the variable speed compensation unit further comprises a middle rotating wheel and a variable speed belt, the middle rotating wheel is of a structure that two belt pulleys with different diameters are connected through a rotating shaft, the middle of the middle rotating wheel is rotatably connected with the compensation portion support, the diameter of the outer side belt pulley of the middle rotating wheel is smaller than that of the inner side belt pulley, the upper portion of the variable speed belt is connected with the driving motor, the lower portion of the variable speed belt is connected with the outer side belt pulley of the middle rotating wheel, one side of the linkage belt is connected with the inner side belt pulley of the middle rotating wheel, and the other side of the linkage belt is connected with the rotating shaft of the grinding wheel.

3. The self-compensating parting line grinding device according to claim 2, wherein: the steel pipe centre gripping unit includes two clamping parts and every clamping part including spacing grip ring, centre gripping cylinder and last grip block around including, spacing grip ring with base unit fixed connection, the inside of spacing grip ring be provided with the lug of arc recess and with the laminating of the outer wall adaptation of steel pipe, the open-top and one side of spacing grip ring with centre gripping cylinder fixed connection, the lower terminal surface of going up the grip block be the arc and with the outer wall shape adaptation of steel pipe, go up the spacing slip of grip block in the open-top of spacing grip ring just by centre gripping cylinder drive up-and-down motion.

4. The self-compensating parting line grinding device according to claim 3, wherein: still be provided with steel pipe push motor on the base unit, steel pipe push motor divide into around two and set up respectively in both sides around the base unit, steel pipe push motor's drive end is provided with and promotes the gyro wheel and drive the steel pipe edge the axial motion of steel pipe clamping unit.

5. The self-compensating parting line grinding device according to claim 4, wherein: the middle part of the base unit is provided with a middle support, the top end of the middle support is an arc-shaped groove and is attached to the outer wall of the steel pipe in a matching mode, and the middle support corresponds to the polishing grinding wheel in the horizontal direction.

6. The self-compensating parting line grinding device according to claim 4, wherein: the driving motor, the steel pipe pushing motor and the clamping cylinder are electrically connected with the PLC control unit.