CN210549988U

CN210549988U - Small-bore steel pipe internal surface grinding mechanism

Info

Publication number: CN210549988U
Application number: CN201921668146.8U
Authority: CN
Inventors: 李永刚; 王洪川
Original assignee: Tianjin Junsheng Technology Development Co ltd
Current assignee: Tianjin Junsheng Technology Development Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-05-19
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a small aperture steel pipe internal surface coping mechanism, including truss and slip table, the spout has been seted up at the top of truss, the inside of spout is provided with the slider that uses with it in cooperation, the top of truss and the left side that is located the slip table are provided with the support frame of parallel placement, the top right side of slip table is provided with electric main shaft, the left side fixedly connected with support column at slip table top, the inside of support column is inserted and is equipped with the axle sleeve, the inside of axle sleeve is provided with the transmission shaft, output one side of electric main shaft is provided with first shaft coupling, the inside fixedly connected with output shaft that first shaft coupling was passed to electric main shaft's output, the outside of transmission shaft is provided with the grinding pin, the outside and the support frame swing joint. The utility model discloses a set up slip table and steel pipe clamping device, can eliminate steel pipe inner wall burr effectively, reduce the inhomogeneous difference of wall thickness, promote the qualification rate of steel pipe.

Description

Small-bore steel pipe internal surface grinding mechanism

Technical Field

The utility model relates to a steel rolling machinery specifically is a small aperture steel pipe internal surface coping mechanism.

Background

The steel pipe has inner wall quality defects such as inner screw, inner scratch, inner pit and the like in the production process, and needs to be polished, and various waste steel pipes also need surface renovation and derusting polishing. The existing sharpening machine has poor operation stability, and cannot well finish sharpening tasks due to the fact that a rotating shaft is long and poor in coaxiality and is often damaged.

At present, the length of the processed steel pipe is longer, generally about 10-12 meters. The prior polishing device for the inner wall of the steel pipe has the following problems:

1. the grinding motor is arranged at the head, the size of the motor is large, and the caliber of the grinding steel pipe must be larger than that of the motor.

2. The grinding motor has limited rotating speed and poor grinding effect.

3. The grinding motor is easy to generate heat and cannot grind for a long time, and the grinding time of 30 minutes generally needs to be 30 minutes for cooling.

4. The long shaft, namely the round steel shaft, is directly connected, so that the resistance is high, the abrasion is easy, and the service life is short.

The inner hole of the small-aperture steel pipe has artificial defects such as shape, position, size and the like in the rolling process, the qualification rate of the finished pipe is directly influenced, and the grinding is often needed. Through coping the inner surface of the small-aperture steel pipe, burrs on the inner wall of the steel pipe can be effectively eliminated, the difference of uneven wall thickness is reduced, and the qualification rate of the steel pipe can be effectively improved. The steel pipes with larger wall thickness difference can be upgraded by one to several grades.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small aperture steel pipe internal surface coping mechanism to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding mechanism for the inner surface of a small-aperture steel pipe comprises a truss and a sliding table, wherein a sliding groove is formed in the top of the truss, a sliding block matched with the sliding groove is arranged inside the sliding groove, a supporting frame which is arranged in parallel is arranged at the top of the truss and positioned on the left side of the sliding table, an electric main shaft is arranged on the right side of the top of the sliding table, a supporting column is fixedly connected to the left side of the top of the sliding table, a shaft sleeve is inserted inside the supporting column, a transmission shaft is arranged inside the shaft sleeve, a first coupler is arranged on one side of the output end of the electric main shaft, an output shaft penetrates through the inside of the first coupler, a grinding rod is arranged outside the transmission shaft, the outside of the grinding rod is movably connected with the supporting frame, a bearing is arranged inside the grinding rod, the transmission shaft is movably connected with the, the utility model discloses a coupling, including first shaft coupling, second shaft coupling, supporting bench, first end, second end, the inside fixedly connected with brush-holder stud of second shaft coupling is passed to the one end of transmission shaft, the left side fixedly connected with bulb brush of brush-holder stud, the left side of truss is provided with the base, the top fixedly connected with screw thread post of base, a supporting bench is worn to be equipped with on the upper portion of screw thread post, a supporting bench's upper and lower both ends all are provided with adjusting nut, one side of supporting bench is inserted and is equipped with the quarter butt, the outside of quarter butt is.

Preferably, the quantity of support frame is 3, and one of them sets up in the left side on slip table 2 upper portion, and two other all set up in the middle part of slip table 2.

Preferably, the number of the bearings is 5, which are respectively located at both ends and in the middle inside the grinding rod 34 and support the transmission shaft 33.

Preferably, the body of the brush rod 37 is provided with nylon wires extending outwards, the top end of the nylon wires is provided with a ball head brush 38, and the ball head brush 38 is a silicon carbide soft grinding ball head brush.

Preferably, the bottom of the truss is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that: according to the small-aperture steel pipe inner surface grinding mechanism, through the arrangement of the sliding table, the sliding chute and the sliding block, a worker can adjust the position of the grinding mechanism left and right according to actual needs; the transmission shaft can be effectively protected by arranging the grinding rod; the second coupling is arranged, so that the ball head brush can be replaced after being damaged; by arranging the threaded column and the support table, the height of the steel pipe can be adjusted and the steel pipe can be clamped by the clamping device; the support table can be limited by arranging the adjusting nut, so that the steel pipe body is prevented from inclining and the safety of operators is prevented from being damaged; through setting up expanding spring, can prevent to fix excessively to lead to the steel pipe body to take place deformation at the fixed in-process of steel pipe, cause irreversible consequence.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a side view of the steel pipe supporting structure of the present invention.

In the figure: 1 truss, 11 chutes, 12 sliders, 13 support frames, 2 sliding tables, 21 support columns, 22 shaft sleeves, 3 electric main shafts, 31 first couplings, 32 output shafts, 33 transmission shafts, 34 grinding rods, 35 bearings, 36 second couplings, 37 brush rods, 38 ball head brushes, 4 bases, 41 threaded columns, 42 support tables, 43 adjusting nuts, 44 short rods, 45 expansion springs and 46 clamping devices.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a grinding mechanism for the inner surface of a small-aperture steel pipe comprises a truss 1 and a sliding table 2, wherein a sliding groove 11 is formed in the top of the truss 1, a sliding block 12 matched with the sliding groove 11 is arranged in the sliding groove 11, a supporting frame 13 which is arranged in parallel is arranged on the top of the truss 1 and on the left side of the sliding table 2, the supporting frame 13 can be welded on the top of the truss 1, the number of the supporting frames 13 is 3, one of the supporting frames is arranged on the left side of the upper portion of the sliding table 2, the other two supporting frames are arranged in the middle of the sliding table 2, an electric spindle 3 is arranged on the right side of the top of the sliding table 2, the electric spindle 3 is connected with an external power supply, a supporting column 21 is fixedly connected to the left side of the top of the sliding table 2, a shaft sleeve 22 is inserted in the supporting, the output end of the electric spindle 3 penetrates through the output shaft 32 fixedly connected to the inside of the first coupler 31, the grinding rod 34 is arranged on the outside of the transmission shaft 33, the outside of the grinding rod 34 is movably connected with the support frame 13, the bearing 35 is arranged inside the grinding rod 34, the number of the bearings 35 is 5, the bearings are respectively arranged at two ends and the middle part inside the grinding rod 34 and support the transmission shaft 33, the transmission shaft 33 is movably connected with the grinding rod 34 through the bearing 35, the other end of the transmission shaft 33 is provided with the second coupler 36, one end of the transmission shaft 33 penetrates through the brush rod 37 fixedly connected to the inside of the second coupler 36, nylon wires extending outwards are arranged on the rod body of the brush rod 37, the top end of each nylon wire is provided with a ball head brush 38, each ball head brush 38 is a silicon carbide soft grinding ball head brush, and the second coupler 36 is arranged to detach and replace the ball head 38 when the ball head is damaged, the ball head brush 38 is a silicon carbide ball head brush, the silicon carbide ball head brush has a good cleaning effect, can remove tiny burrs on the inner surface of a steel pipe, improves the smoothness of an inner hole, the bottom of the truss 1 is provided with anti-slip lines, the stability of the truss 1 in the working process is enhanced, the left side of the truss 1 is provided with the base 4, the top of the base 4 is fixedly connected with the threaded column 41, the upper part of the threaded column 41 is penetrated with the support table 42, the upper end and the lower end of the support table 42 are both provided with the adjusting nuts 43, one side of the support table 42 is inserted with the short rod 44, the outer part of the short rod 44 is provided with the telescopic spring 45, one end of the short rod 44 is fixedly connected with the clamping device 46, the base 4, the threaded column 41, the support table 42, the adjusting nuts 43, the short rod 44, the telescopic spring 45 and the clamping device 46 jointly form, the steel pipe can be clamped and fixed through the matching of the two clamping mechanisms.

The working principle is as follows:

firstly, a switch of an external power supply of the electric spindle 3 is turned on, the output shaft 32 rotates to drive the transmission shaft 33 to rotate, the transmission shaft 33 drives the ball head brush 38 to rotate, then the position of the support table 42 is manually adjusted, the height of the support table is fixed by using the adjusting nut 43, the ball head brush 38 can enter the steel pipe, finally the steel pipe is placed in the arc-shaped groove of the clamping device 46, and a worker pushes the electric spindle 3 to move on the truss 1, so that the axial feeding from one end of the steel pipe to the other end of the steel pipe is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small aperture steel pipe internal surface coping mechanism, includes truss (1) and slip table (2), its characterized in that: the top of truss (1) has been seted up spout (11), the inside of spout (11) is provided with slider (12) that uses with it in cooperation, the top of truss (1) just is located the left side of slip table (2) and is provided with parallel placement's support frame (13), the top right side of slip table (2) is provided with electric main shaft (3), the left side fixedly connected with support column (21) at slip table (2) top, the inside of support column (21) is inserted and is equipped with axle sleeve (22), the inside of axle sleeve (22) is provided with transmission shaft (33), output one side of electric main shaft (3) is provided with first shaft coupling (31), the inside fixedly connected with output shaft (32) that first shaft coupling (31) was passed to the output of electric main shaft (3), the outside of transmission shaft (33) is provided with grinding pin (34), the outside and support frame (13) swing joint of grinding pin (34), a bearing (35) is arranged in the grinding rod (34), the transmission shaft (33) is movably connected with the grinding rod (34) through the bearing (35), the other end of the transmission shaft (33) is provided with a second coupling (36), one end of the transmission shaft (33) penetrates through the inside of the second coupling (36) and is fixedly connected with a brush rod (37), a bulb brush (38) is fixedly connected to the left side of the brush rod (37), a base (4) is arranged on the left side of the truss (1), the top of the base (4) is fixedly connected with a threaded column (41), a supporting platform (42) is arranged on the upper part of the threaded column (41) in a penetrating way, the upper end and the lower end of the supporting platform (42) are both provided with adjusting nuts (43), a short rod (44) is inserted into one side of the supporting table (42), a telescopic spring (45) is arranged outside the short rod (44), and one end of the short rod (44) is fixedly connected with a clamping device (46).

2. The mechanism for grinding the inner surface of the small-aperture steel pipe according to claim 1, wherein the mechanism comprises: the quantity of support frame (13) is 3, and one of them sets up in the left side on slip table (2) upper portion, and two other all set up the middle part in slip table (2).

3. The mechanism for grinding the inner surface of the small-aperture steel pipe according to claim 1, wherein the mechanism comprises: the number of the bearings (35) is 5, the bearings are respectively arranged at the two ends and the middle part inside the grinding rod (34), and the bearings play a role in supporting the transmission shaft (33).

4. The mechanism for grinding the inner surface of the small-aperture steel pipe according to claim 1, wherein the mechanism comprises: the nylon wire that is provided with outside extension on the body of rod of brush-holder stud (37), nylon wire top is provided with bulb brush (38), bulb brush (38) are the soft ball head brush of grinding of carborundum.

5. The mechanism for grinding the inner surface of the small-aperture steel pipe according to claim 1, wherein the mechanism comprises: the bottom of the truss (1) is provided with anti-skid lines.