CN211136540U

CN211136540U - Circular tube inner wall superfinishing equipment

Info

Publication number: CN211136540U
Application number: CN201921107617.8U
Authority: CN
Inventors: 宋振平
Original assignee: Nanjing Boya Machinery Equipment Co ltd
Current assignee: Nanjing Boya Machinery Equipment Co.,Ltd.
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-07-31
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a pipe inner wall superfinishing equipment relates to superfinishing equipment technical field, and the length of processing for solving current pipe inner wall processing equipment is limited, can not once only polish the pipe inner wall in the course of working, and is relatively poor to polishing of pipe inner wall, leads to reducing machining efficiency lower, the relatively poor problem of machining precision. The middle position department on workstation top is provided with the groove of going through, the bottom plate is installed to the top of workstation, install rubber shock absorber ware between bottom plate and the workstation, the top of bottom plate is provided with fixed establishment and bearing structure, fixed establishment is located between two bearing structure, fixed establishment includes that the fixed station, lower arc accept the board, go up the arc and accept board, cylinder, support frame and lug, bearing structure includes backup pad, circular sleeve, arc fixed block and spring.

Description

Circular tube inner wall superfinishing equipment

Technical Field

The utility model relates to a super finish machining equipment technical field specifically is a pipe inner wall super finish machining equipment.

Background

The circular tube is a steel material having both ends open and a hollow concentric cross section, and the length thereof is larger than that of the periphery thereof. The pipe is placed at production in-process or for a long time, and the blank can be corroded by moisture and oxygen in the air and rusts unavoidably, and the rust on the outer wall of the steel pipe blank can be polished manually, but the rust inside the blank is difficult to handle manually, and the inner wall of the pipe needs to be processed by means of a processing device, so that the smoothness and flatness of the inner wall of the pipe are ensured, and the production quality of the pipe is improved.

However, the existing circular tube inner wall machining equipment is limited in machining length, the circular tube inner wall cannot be ground at one time in the machining process, grinding of the circular tube inner wall is poor, machining efficiency is low, machining accuracy is poor, and therefore the existing requirements are not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe inner wall superfinishing equipment to the processing length of the pipe inner wall processing equipment who proposes in solving above-mentioned background art is limited, can not once only polish the pipe inner wall in the course of working, and is relatively poor to polishing of pipe inner wall, leads to reducing machining efficiency lower, the relatively poor problem of machining precision.

In order to achieve the above object, the utility model provides a following technical scheme: a circular tube inner wall superfinishing device comprises a workbench, wherein a through groove is formed in the middle position of the top end of the workbench, a bottom plate is installed above the workbench, a rubber damper is installed between the bottom plate and the workbench, a plurality of rubber dampers are installed and evenly distributed on two sides of the through groove, a fixing mechanism and two supporting structures are arranged at the top of the bottom plate and located between the two supporting structures, the fixing mechanism comprises a fixing table, a lower arc-shaped receiving plate, an upper arc-shaped receiving plate, a cylinder, a supporting frame and a lug, the supporting structures comprise a supporting plate, a circular sleeve, an arc-shaped fixing block and a spring, circular tubes are installed on the inner sides of the fixing mechanism and the supporting structures, supporting rods are installed on one side of the bottom plate, and polishing motors are installed above the supporting rods, the utility model discloses a polishing machine, including bottom plate, telescopic link, semicircular arc support piece, center rod, the middle position department of center rod is provided with the head of polishing, the middle part of head of polishing is wear-resisting cylinder, and the both ends of head of polishing present to tighten up the shape to the centre.

Preferably, the inside of workstation upper end is provided with the holding tank, the internally mounted of holding tank has ball, the motor is installed to one side of workstation, and the output of motor passes through the shaft coupling transmission with ball and is connected, the lower extreme of bracing piece and telescopic link all passes the groove of going through and extends to the inside of holding tank, the bottom of bracing piece and telescopic link all is provided with fixed baseplate, ball nut fixed connection on fixed baseplate and the ball.

Preferably, the top of fixed station is provided with down the arc and accepts the board, the arc is accepted the top of board down and is provided with the arc and accepts the board, it accepts the top of board and installs the cylinder to go up the arc, the support frame is installed to one side of fixed station, and the one end of support frame extends to the top of cylinder to with cylinder fixed connection, the arc is accepted the board down and is accepted the inboard equal lug of board with last arc, and the lug is provided with a plurality of, the lug is provided with semi-cylindrical structure, the lug is accepted the board with lower arc and is a body structure with last arc.

Preferably, the top of backup pad is provided with circular sleeve, circular sleeve's inboard is provided with the arc fixed block, and the arc fixed block is provided with four, install the spring between arc fixed block and the circular sleeve, the one end of spring respectively with circular sleeve and arc fixed block welded connection.

Preferably, the central axis of the central rod and the central axis of the round tube are positioned on the same straight line.

Preferably, one end of the central rod is in transmission connection with the output end of the polishing motor through a coupler, and the other end of the central rod is in rotation connection with the semi-circular arc supporting piece through a bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up two bearing structure and a fixed establishment, messenger's pipe that can be fine is in a horizontality, then will have the interior that center rod of polishing head passed the pipe, and the center line of pipe and center rod is located same axis, thereby guarantee the precision of polishing, center rod's one end is fixed on grinding motor, the other end cup joints inside semicircle support piece, it is rotatory to drive ball screw by the motor, two fixed bases are fixed on two ball nut of ball screw, ball nut turns into linear motion with rotary motion, grinding motor also carries out high-speed rotary motion simultaneously and drives the polishing head and rotate, thereby realized that polishing head is reciprocating motion inside the pipe, can be complete all polish the pipe inner wall. The design has better polishing effect, improves the processing efficiency and increases the reinforcing precision.

2. The utility model discloses an install a plurality of rubber shock absorber between bottom plate and the workstation, rubber shock absorber has good shock attenuation effect, can reduce the vibrations that this equipment produced at the during operation to avoided vibrations to machining precision's influence, improved the machining precision, guaranteed the effect of processing.

3. The utility model discloses a last arc on the fixed establishment is accepted the board and can be driven by the cylinder and is realized going up and down, is convenient for fix the pipe, has set up supporting mechanism again in fixed establishment's both sides, and two supporting mechanism can support the both ends of pipe, and supporting mechanism's inside is provided with the arc fixed block simultaneously, and the arc fixed block passes through the spring to be connected with circular sleeve, and the spring has good elasticity, is convenient for take the outer wall of arc fixed block and pipe closely to laminate, still has good shock attenuation effect.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall side view of the present invention;

FIG. 3 is a schematic view of a partial structure of the fixing table of the present invention;

fig. 4 is a schematic view of a local structure of the fixing rod of the present invention.

In the figure: 1. a work table; 2. a ball screw; 3. a motor; 4. a base plate; 5. a rubber damper; 6. a fixing mechanism; 61. a fixed table; 62. a lower arc-shaped bearing plate; 63. an upper arc-shaped bearing plate; 64. a cylinder; 65. a support frame; 66. a bump; 7. a support structure; 71. a support plate; 72. a circular sleeve; 73. an arc-shaped fixed block; 74. a spring; 8. a support bar; 9. a telescopic rod; 10. a fixed base; 11. polishing the motor; 12. a semi-circular arc support; 13. a circular tube; 14. a center pole; 141. polishing head; 15. and (6) accommodating the tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a circular tube inner wall superfinishing device comprises a workbench 1, a through groove is arranged at the middle position of the top end of the workbench 1, a bottom plate 4 is arranged above the workbench 1, rubber shock absorbers 5 are arranged between the bottom plate 4 and the workbench 1, a plurality of rubber shock absorbers 5 are arranged, the damping effect is good, the rubber shock absorbers 5 are evenly distributed on two sides of the through groove, a fixing mechanism 6 and two supporting structures 7 are arranged at the top of the bottom plate 4, the fixing mechanism 6 is positioned between the two supporting structures 7 and used for fixing a circular tube 13, the fixing mode is simple and convenient, the fixing mechanism 6 comprises a fixing table 61, a lower arc-shaped bearing plate 62, an upper arc-shaped bearing plate 63, an air cylinder 64, a supporting frame 65 and a lug 66, the supporting structures 7 comprise supporting plates 71, circular sleeves 72, arc-shaped fixing blocks 73 and springs 74, the circular tube 13 is arranged on the inner sides of the fixing mechanism 6 and the supporting structures 7, the bracing piece 8 is installed to one side of bottom plate 4, the top of bracing piece 8 is installed and is provided with grinding motor 11, telescopic link 9 is installed to the opposite side of bottom plate 4, the top of telescopic link 9 is provided with semicircle support piece 12, for well core rod 14's end improvement holding power, install well core rod 14 between semicircle support piece 12 and the grinding motor 11, well core rod 14's intermediate position department is provided with the head of polishing 141, the middle part of the head of polishing 141 is wear-resisting cylinder, long service life, and the both ends of the head of polishing 141 present and tighten up the shape to the centre, so that the head of polishing 141 drills into and polishes in pipe 13 under the rotating state.

Further, the inside of 1 upper end of workstation is provided with holding tank 15, holding tank 15's internally mounted has ball 2, motor 3 is installed to one side of workstation 1, and motor 3's output and ball 2 pass through the shaft coupling transmission and are connected, make it rotatory and transmission moment of torsion jointly, the lower extreme of bracing piece 8 and telescopic link 9 all passes the groove of going through and extends to holding tank 15's inside, the bottom of bracing piece 8 and telescopic link 9 all is provided with unable adjustment base 10, ball nut fixed connection on unable adjustment base 10 and the ball 2, ball nut can change rotary motion and be linear motion.

Further, a lower arc-shaped bearing plate 62 is arranged above the fixed table 61, an upper arc-shaped bearing plate 63 is arranged above the lower arc-shaped bearing plate 62, an air cylinder 64 is arranged at the top of the upper arc-shaped bearing plate 63, a supporting frame 65 is arranged on one side of the fixed table 61, one end of the supporting frame 65 extends to the upper side of the air cylinder 64 and is fixedly connected with the air cylinder 64, the connection mode is firm, the air cylinder 64 can drive the upper arc-shaped bearing plate 63 to lift, the inner sides of the lower arc-shaped bearing plate 62 and the upper arc-shaped bearing plate 63 are provided with a plurality of convex blocks 66, stress neps in contact with the circular pipe 13 are reduced, pressure is increased, the gripping force of the fixed circular pipe 13 is improved, the convex blocks 66 are provided with semi-cylindrical structures, the surfaces are smooth and flat, when in contact with the circular pipe 13, the surface of the circular pipe 13 is not easy to damage, the wholeness is good, and the junction is seamless.

Further, the top of backup pad 71 is provided with circular sleeve 72, the inboard of circular sleeve 72 is provided with arc fixed block 73, and arc fixed block 73 is provided with four, four arc fixed blocks 73 are the circumference and distribute, be convenient for with the outer wall laminating of pipe 13, improve fixed fastness, install spring 74 between arc fixed block 73 and the circular sleeve 72, good elasticity has, the shock attenuation effect has when fixed, spring 74's one end respectively with circular sleeve 72 and arc fixed block 73 welded connection, joint strength is high, structural rigidity is big, the welding seam leakproofness is good.

Furthermore, the central axis of the central rod 14 and the central axis of the circular tube 13 are positioned on the same straight line, so that the overall stability and the excellent polishing effect of the equipment are ensured.

Furthermore, one end of the central rod 14 is in transmission connection with the output end of the polishing motor 11 through a coupler, so that the central rod and the output end rotate together and transmit torque, and the other end of the central rod 14 is in rotation connection with the semi-circular arc support piece 12 through a bearing, so that the central rod 14 can rotate under the driving of the polishing motor 11.

The working principle is as follows: when the device is used, the telescopic rod 9 is shortened, the telescopic rod 9 drives the semi-arc supporting piece 12 to descend, the round pipe 13 is sleeved outside the device with the central rod 14, the middle part of the round pipe 13 is placed on the lower arc-shaped bearing plate 62, the cylinder 64 extends to drive the upper arc-shaped bearing plate 63 to move downwards until the round pipe 13 is tightly wrapped by the lower arc-shaped bearing plate 62 and the upper arc-shaped bearing plate 63, namely, the cylinder 64 is stopped to extend, the plurality of convex blocks 66 are arranged on the inner sides of the lower arc-shaped bearing plate 62 and the upper arc-shaped bearing plate 63, so that the contact area with the surface of the round pipe 13 is reduced, the pressure is increased, the gripping force is improved, the firmness of the fixing mechanism 6 for fixing the round pipe 13 is ensured, two ends of the round pipe 13 respectively penetrate between the four arc-shaped fixing blocks 73 on the two supporting structures 7, the arc-shaped fixing, when the telescopic rod 9 is extended, the telescopic rod 9 drives the semi-circular support 12 to ascend, and when the inner side of the semi-circular support 12 is attached to the central rod 14, the telescopic rod stops moving, so that the other end of the central rod 14 is supported. After the pipe 13 is fixed to finish, starting motor 3 and grinding motor 11 simultaneously, ball 2 drives well core rod 14 high-speed rotations, the head 141 of polishing on well core rod 14 is rotatory thereupon, motor 3 drives ball 2 and rotates, fixed baseplate 10 is fixed with the ball nut on the ball 2, ball nut can turn into linear motion with rotary motion, thereby realize that the head 141 of polishing carries out reciprocating motion in the inside of pipe 13, can once only accomplish the inner wall processing of pipe 13, and machining efficiency is high. A plurality of rubber shock absorbers 5 are arranged between the bottom plate 4 and the workbench 1, the rubber shock absorbers 5 have a good shock absorption effect, and the shock generated by the equipment during working can be reduced, so that the influence of the shock on the machining precision is avoided, and the machining precision is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a tubular inner wall superfinishing equipment, includes workstation (1), its characterized in that: intermediate position department on workstation (1) top is provided with the groove of going through, bottom plate (4) are installed to the top of workstation (1), install rubber shock absorber (5) between bottom plate (4) and workstation (1), and rubber shock absorber (5) install a plurality of, and a plurality of rubber shock absorber (5) evenly distributed in the both sides that go through the groove, the top of bottom plate (4) is provided with fixed establishment (6) and bearing structure (7), and bearing structure (7) are provided with two, fixed establishment (6) are located between two bearing structure (7), fixed establishment (6) are including fixed station (61), lower arc accept board (62), go up arc and accept board (63), cylinder (64), support frame (65) and lug (66), bearing structure (7) are including backup pad (71), circular sleeve (72), Arc fixed block (73) and spring (74), pipe (13) are installed to the inboard of fixed establishment (6) and bearing structure (7), bracing piece (8) are installed to one side of bottom plate (4), the top of bracing piece (8) is installed and is provided with grinding motor (11), telescopic link (9) are installed to the opposite side of bottom plate (4), the top of telescopic link (9) is provided with semicircle support piece (12), install well core rod (14) between semicircle support piece (12) and grinding motor (11), the intermediate position department of well core rod (14) is provided with and polishes head (141), the middle part of polishing head (141) is wear-resisting cylinder, and the both ends of polishing head (141) present to tighten up the shape to the centre.

2. The superfinishing apparatus for the inner wall of a circular tube according to claim 1, wherein: the utility model discloses a bearing support of a motor, including workstation (1), the inside of holding tank (15) is provided with holding tank (15), the internally mounted of holding tank (15) has ball (2), motor (3) are installed to one side of workstation (1), and the output of motor (3) passes through the shaft coupling transmission with ball (2) and is connected, the lower extreme of bracing piece (8) and telescopic link (9) all passes the inside that leads to the trough and extend to holding tank (15), the bottom of bracing piece (8) and telescopic link (9) all is provided with unable adjustment base (10), ball nut fixed connection on unable adjustment base (10) and ball (2).

3. The superfinishing apparatus for the inner wall of a circular tube according to claim 1, wherein: the top of fixed station (61) is provided with down the arc and accepts board (62), the top that the arc was accepted board (62) down is provided with the arc and accepts board (63), it accepts the top of board (63) to go up the arc and installs cylinder (64), support frame (65) are installed to one side of fixed station (61), and the one end of support frame (65) extends to the top of cylinder (64) to with cylinder (64) fixed connection, the arc is accepted board (62) and is accepted inboard equal lug (66) of board (63) with last arc down, and lug (66) are provided with a plurality of, lug (66) are provided with semi-cylindrical structure, lug (66) are accepted board (62) and last arc and are a body structure with lower arc.

4. The superfinishing apparatus for the inner wall of a circular tube according to claim 1, wherein: the top of backup pad (71) is provided with circular sleeve (72), the inboard of circular sleeve (72) is provided with arc fixed block (73), and arc fixed block (73) are provided with four, install spring (74) between arc fixed block (73) and circular sleeve (72), the one end of spring (74) respectively with circular sleeve (72) and arc fixed block (73) welded connection.

5. The superfinishing apparatus for the inner wall of a circular tube according to claim 1, wherein: the central axis of the central rod (14) and the central axis of the round pipe (13) are positioned on the same straight line.

6. The superfinishing apparatus for the inner wall of a circular tube according to claim 1, wherein: one end of the central rod (14) is in transmission connection with the output end of the polishing motor (11) through a coupler, and the other end of the central rod (14) is rotatably connected with the semi-circular arc supporting piece (12) through a bearing.