CN213917372U - Hand-push type internal grinding device - Google Patents
Hand-push type internal grinding device Download PDFInfo
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- CN213917372U CN213917372U CN202023095199.0U CN202023095199U CN213917372U CN 213917372 U CN213917372 U CN 213917372U CN 202023095199 U CN202023095199 U CN 202023095199U CN 213917372 U CN213917372 U CN 213917372U
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Abstract
The utility model discloses a hand propelled internal repair grinds device, including grinding pin device, hand push dolly and rotary drive device, wherein: the grinding rod device is fixed on the trolley and driven by the rotary driving device, the grinding rod device comprises a grinding head locking nut, a grinding head, a grinding shaft and a grinding shaft sleeve, the grinding shaft is arranged in the grinding shaft sleeve, the grinding head is sleeved at the grinding shaft head, the grinding shaft head is provided with external threads, and the grinding head is locked and fixed by the grinding head locking nut. Through the utility model discloses, can conveniently carry out the coping to tubular product internal surface defect rapidly, the hand push removes the operation, and is simple effective.
Description
Technical Field
The utility model relates to a steel pipe processing maintenance field especially relates to a hand propelled internal repair grinds device.
Background
In the production process of the hot-rolled seamless steel pipe, because of process problems, inner surface defects are easy to appear, if waste is directly judged, the yield is very low, the production cost is increased, and the waste of materials is also caused. Common internal surface defects of the seamless steel pipe comprise cracks, hairlines, inward folds, internal straight tracks, pits, pockmarks, scratches, internal spiral tracks and the like. Wherein cracks (crackles), inflections, pits and the like are dangerous defects, and scratches, slight inner straight paths and slight inner screw of the steel pipe are general defects. The general defects can be basically saved after being polished, so that the loss can be reduced by 5-10% after being polished to be qualified. However, the existing grinding mode is manual grinding, a special tool is lacked, the mould grinding effect is difficult to control, and the efficiency is lower.
Therefore, the utility model provides a coping device in hand propelled, the coping is removed conveniently, and frock simple manufacture, production operation is nimble, and coping steel pipe internal surface defect takes effect easily.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize:
a hand-push type internal grinding device comprises a grinding rod device, a hand-push trolley and a rotary driving device, wherein: the grinding rod device is fixed on the trolley and driven by the rotary driving device, the grinding rod device comprises a grinding head locking nut, a grinding head, a grinding shaft and a grinding shaft sleeve, the grinding shaft is arranged in the grinding shaft sleeve, the grinding head is sleeved at the grinding shaft head, the grinding shaft head is provided with external threads, and the grinding head is locked and fixed by the grinding head locking nut.
The hand-push type internal trimming and grinding device, wherein: the grinding shaft sleeve is sleeved with the rope at the front part of the grinding shaft sleeve, and the balancing weight is hung at the lower part of the rope.
The hand-push type internal trimming and grinding device, wherein: the trolley comprises a fixing frame, a trolley frame and wheels, wherein the fixing frame is fixed on the upper portion of the trolley frame, the wheels are installed on the lower portion of the fixing frame, and the grinding rod device is fixed on the fixing frame.
The hand-push type internal trimming and grinding device, wherein: the mount includes gasket, channel-section steel and V type groove, and V type groove is put on two parallel and the upright channel-section steel of inclining of each other, and the notch of two channel-section steels sets up mutually away from the other side, and the top plate and the lower side plate of channel-section steel all are equipped with the bolt hole, and the grinding shaft cover is put on V type groove, and the face pressure has the gasket on the grinding shaft cover, and the gasket is fixed on the channel-section steel by bolt locking on the mount.
The hand-push type internal trimming and grinding device, wherein: the frame includes a flat board, two stands, two support columns and four horizontal muscle, and the flat welding is at the top of two stands and two support columns, and two stand parallel arrangement just are located dull and stereotyped front portion, and two support column parallel arrangement just are located dull and stereotyped rear portion, and four reinforcing bars are equipped with the bolt hole respectively with adjacent stand and support column welded connection on the flat board, and two side channels are fixed on the flat board by bolt locking under the mount.
The hand-push type internal trimming and grinding device, wherein: the wheel comprises a wheel, a wheel connecting piece and a wheel bolt, wherein the wheel connecting piece is locked on the supporting column connecting plate through the wheel bolt, and the wheel is rotatably arranged at the lower part of the wheel connecting piece.
The hand-push type internal trimming and grinding device, wherein: the rotary driving device comprises a motor and a flexible shaft, one end of the flexible shaft is connected with an output shaft of the motor, and the other end of the flexible shaft is connected with a grinding shaft.
The hand-push type internal trimming and grinding device, wherein: the rear end of the grinding shaft is provided with a square hole, the other end of the flexible shaft is connected with a connecting piece, and the connecting piece is inserted into the square hole.
The hand-push type internal trimming and grinding device, wherein: still include the grinding pin support frame, the grinding pin support frame includes V type frame, bracing piece fixed plate and bracing piece base.
The hand-push type internal trimming and grinding device, wherein: the bracing piece is fixed on the bracing piece base, and polylith bracing piece fixed plate interval predetermined distance arranges, and every supporting plate all with bracing piece and bracing piece base welded connection respectively, V type frame is fixed at the bracing piece top.
Drawings
FIG. 1 is a schematic view of a hand-push type inner grinding device;
FIG. 2 is a schematic structural view of a rotation driving device;
FIG. 3 is a schematic view of a channel;
FIG. 4 is a schematic view of a V-shaped groove structure;
fig. 5 is a schematic structural view of a grinding rod support frame.
Detailed Description
The following describes the present invention in detail with reference to the accompanying fig. 1-5.
As shown in fig. 1, the hand-push type inner grinding device of the present invention comprises a grinding rod device, a grinding rod support frame, a hand-push cart and a rotary driving device. The grinding rod device is fixed on the trolley and driven by the rotary driving device.
The grinding rod device comprises a grinding head locking nut 1, a grinding head 2, a grinding shaft 3 and a grinding shaft sleeve 4. The grinding shaft 3 is arranged in the grinding shaft sleeve 4, the head of the grinding shaft 3 is provided with an external thread, the grinding head 2 is sleeved on the grinding shaft, the front of the grinding head 2 is locked by the grinding head locking nut 1, namely, the locking nut 1 is screwed on the head of the grinding shaft 3 and locks the magic head 2, and the rear end of the grinding shaft is provided with a square hole 8. The grinding rod device is required to be additionally provided with a counterweight device, the counterweight device consists of a rope 25 and a steel ring 26, the rope 25 is sleeved on the grinding shaft sleeve 4 at the front part of the grinding shaft sleeve 4, and the steel ring 26 is hung at the lower part of the grinding shaft sleeve. When the grinding rod device does not work, the grinding rod device is placed on a grinding rod support frame, as shown in fig. 5, the grinding rod support frame comprises a V-shaped frame 16, a support rod 17, a support rod fixing plate 18 and a support rod base 19, the support rod 17 is fixed on the support rod base 19, a plurality of support rod fixing plates 18 are arranged at intervals of a preset distance, each support fixing plate 18 is respectively connected with the support rod 17 and the support rod base 9 in a welding mode, and the V-shaped frame 16 is fixed at the top of the support rod 17.
The trolley comprises a fixed frame, a frame and wheels. The fixing frame comprises a gasket 5, a channel steel 6 (shown in figure 3), a V-shaped groove 7 (shown in figure 4), a fixing frame upper bolt 27 and a fixing frame lower bolt 12. V type groove 7 is put on two parallel and side upright channel-section steels 6 of each other, and the notch of two channel-section steels 6 sets up mutually back of the body promptly, and the top side board and the lower side plate of channel-section steel 6 all are equipped with the bolt hole, grind axle sleeve 4 and put on V type groove 7, grind the axle sleeve 4 above repressing gasket 5, with bolt 27 locking gasket 5 and channel-section steel 6 on the mount. The frame includes a dull and stereotyped 22, two stands 23, two support columns 24, four horizontal muscle 13, and dull and stereotyped 22 welds at the top of two stands 23 and two support columns 24, and two stand 23 parallel arrangement just are located dull and stereotyped 22 front portions, and two support columns 24 parallel arrangement just are located dull and stereotyped 22 rear portions, and four reinforcing bars 13 are equipped with the bolt hole with two adjacent stands 23 and support column 24 welded connection respectively on the dull and stereotyped 22. Two side vertical channel steels 6 are placed on the flat plate 22 and are locked by a lower bolt 12 of a fixing frame. The wheel includes a wheel 15, a wheel connector 21 and a wheel bolt 14. The wheel connecting member 21 and the supporting post 24 are connected to each other by a wheel bolt 14, and a wheel 25 is rotatably mounted on the lower portion of the wheel connecting member 21.
The rotary driving device comprises a motor 11 and a flexible shaft 20, one end of the flexible shaft 20 is connected with an output shaft of the motor 11 through a connecting piece 10, and the other end of the flexible shaft is connected with a connecting piece 9. The flexible shaft 20 is connected with the grinding shaft 3 through a connecting piece 9, namely the connecting piece 9 is inserted into a square hole 8 at the rear end of the grinding shaft.
The method for polishing the inside of the seamless steel tube by using the device comprises the steps of starting a motor, driving a flexible shaft to rotate by the motor, driving a grinding shaft to rotate by the flexible shaft, driving a grinding head to rotate by the grinding shaft, conveying the grinding head to extend into an inner hole of the steel tube by a trolley, forcefully pressing the inner wall of the steel tube to rotate and polish under the action of a balance weight, moving the trolley back and forth, withdrawing the inner hole of the steel tube by a grinding rod device after polishing is finished, and placing the front part of the grinding rod device in a V-shaped frame of a grinding rod support frame.
Through the utility model discloses, can conveniently carry out the coping to tubular product internal surface defect rapidly, the hand push removes the operation, and is simple effective.
Claims (10)
1. The utility model provides a hand propelled internal repair grinding device, includes grinding pin device, hand push dolly and rotation driving device, its characterized in that: the grinding rod device is fixed on the trolley and driven by the rotary driving device, the grinding rod device comprises a grinding head locking nut, a grinding head, a grinding shaft and a grinding shaft sleeve, the grinding shaft is arranged in the grinding shaft sleeve, the grinding head is sleeved at the grinding shaft head, the grinding shaft head is provided with external threads, and the grinding head is locked and fixed by the grinding head locking nut.
2. The hand propelled coping device according to claim 1, wherein: the grinding shaft sleeve is sleeved with the rope at the front part of the grinding shaft sleeve, and the balancing weight is hung at the lower part of the rope.
3. The hand propelled coping device according to claim 1, wherein: the trolley comprises a fixing frame, a trolley frame and wheels, wherein the fixing frame is fixed on the upper portion of the trolley frame, the wheels are installed on the lower portion of the fixing frame, and the grinding rod device is fixed on the fixing frame.
4. The hand propelled internal finishing device of claim 3, wherein: the mount includes gasket, channel-section steel and V type groove, and V type groove is put on two parallel and the upright channel-section steel of inclining of each other, and the notch of two channel-section steels sets up mutually away from the other side, and the top plate and the lower side plate of channel-section steel all are equipped with the bolt hole, and the grinding shaft cover is put on V type groove, and the face pressure has the gasket on the grinding shaft cover, and the gasket is fixed on the channel-section steel by bolt locking on the mount.
5. The hand propelled internal finishing device of claim 3, wherein: the frame includes a flat board, two stands, two support columns and four horizontal muscle, and the flat welding is at the top of two stands and two support columns, and two stand parallel arrangement just are located dull and stereotyped front portion, and two support column parallel arrangement just are located dull and stereotyped rear portion, and four reinforcing bars are equipped with the bolt hole respectively with adjacent stand and support column welded connection on the flat board, and two side channels are fixed on the flat board by bolt locking under the mount.
6. The push type inside grinding device according to claim 5, characterized in that: the wheel comprises a wheel, a wheel connecting piece and a wheel bolt, wherein the wheel connecting piece is locked on the supporting column connecting plate through the wheel bolt, and the wheel is rotatably arranged at the lower part of the wheel connecting piece.
7. The hand propelled coping device according to claim 1, wherein: the rotary driving device comprises a motor and a flexible shaft, one end of the flexible shaft is connected with an output shaft of the motor, and the other end of the flexible shaft is connected with a grinding shaft.
8. The hand propelled internal finishing device of claim 7, wherein: the rear end of the grinding shaft is provided with a square hole, the other end of the flexible shaft is connected with a connecting piece, and the connecting piece is inserted into the square hole.
9. The hand propelled coping device according to claim 1, wherein: still include the grinding pin support frame, the grinding pin support frame includes V type frame, bracing piece fixed plate and bracing piece base.
10. The push type inside grinding device according to claim 9, characterized in that: the bracing piece is fixed on the bracing piece base, and polylith bracing piece fixed plate interval predetermined distance arranges, and every supporting plate all with bracing piece and bracing piece base welded connection respectively, V type frame is fixed at the bracing piece top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023095199.0U CN213917372U (en) | 2020-12-21 | 2020-12-21 | Hand-push type internal grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023095199.0U CN213917372U (en) | 2020-12-21 | 2020-12-21 | Hand-push type internal grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213917372U true CN213917372U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023095199.0U Active CN213917372U (en) | 2020-12-21 | 2020-12-21 | Hand-push type internal grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213917372U (en) |
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2020
- 2020-12-21 CN CN202023095199.0U patent/CN213917372U/en active Active
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