CN115284084A - Internal surface polishing equipment for hollow tubular steel column - Google Patents
Internal surface polishing equipment for hollow tubular steel column Download PDFInfo
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- CN115284084A CN115284084A CN202211169595.4A CN202211169595A CN115284084A CN 115284084 A CN115284084 A CN 115284084A CN 202211169595 A CN202211169595 A CN 202211169595A CN 115284084 A CN115284084 A CN 115284084A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 238000005498 polishing Methods 0.000 title claims description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 13
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/10—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a horizontal tool spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the field of workpiece grinding, in particular to an inner surface grinding device for a hollow tubular steel column, which comprises a grinding plate, a jacking device, a guide device and a driving device, wherein a guide ring and a workpiece are coaxially arranged in an initial state, the grinding plate is abutted against the inner side wall of the workpiece, one end of a transmission rod is rotatably connected with the driving wheel when the driving wheel rotates, and the other end of the transmission rod is fixedly connected with a guide rod, so that the driving wheel drives the guide rod to generate angular deflection, and the grinding plate is ground along the inner side wall of the workpiece. When the inner side wall of the workpiece meets the impurity protrusions, the extrusion force of the grinding plate on the inner side wall of the workpiece is increased through the jacking device, the guide ring swings under the action of the guide rod, the transmission rod is extended, the guide rod is shortened, the distance of the transmission rod for rotating the driving ring for a circle at the guide ring is changed, the grinding range of the grinding plate is reduced, fine grinding of impurities is realized, and the grinding force of the grinding plate on different positions of the inner side wall of the workpiece is changed to uniformly grind the workpiece.
Description
Technical Field
The invention relates to the field of workpiece grinding, in particular to an inner surface grinding device for a hollow tubular steel column.
Background
The utility model discloses a metal pipeline, including metal pipeline, polishing machine, pipe fitting, the metal pipeline application area is very wide, but in the intelligent manufacturing equipment industry, there is higher requirement to the roughness of metal pipeline inside wall, need grind the metal pipeline internal surface, clear away the coarse grain and the impurity of pipeline internal surface, current cast tube trade generally adopts the manual mode of using the buffing machine to clear up, insert the one end of burnishing machine from the pipeline, the inside wall that utilizes the burr of burnishing machine to pipeline grinds, thereby reach the effect of driving the punch burr on the pipe fitting, because the uncertain of pipeline internal surface impurity size, it is not careful to make the burnishing head polish to pipeline internal surface impurity, can not carry out key and repeated deburring to more outstanding impurity, make the metal pipeline inside wall can't reach good polishing and the effect, and artifical polishing need consume a large amount of physical power, and efficiency is lower.
Disclosure of Invention
The invention provides a polishing device for the inner surface of a hollow tubular steel column, which aims to solve the problem that the polishing effect on the inner side wall of a metal pipeline is poor in the prior art.
The inner surface polishing equipment for the hollow tubular steel column adopts the following technical scheme:
the inner surface polishing equipment for the hollow tubular steel column comprises a fixed frame, a positioning assembly, a support, a grinding assembly, a guide device and a driving device; a fixing plate is fixedly arranged on the fixing frame; the positioning assembly is used for fixing a workpiece to be machined; the bracket is fixedly arranged on the upper end surface of the fixing plate, a shaft lever is fixedly arranged on the bracket, and the shaft lever is coaxially arranged in the workpiece; the grinding assembly comprises a grinding plate, the grinding plate is abutted against the inner side wall of the workpiece through a jacking device, and the grinding plate can be arranged along the inner side wall of the workpiece in a sliding manner; the guide device comprises a guide ring and a guide rod, wherein the guide ring is arranged on the fixed plate through the auxiliary frame, so that the guide ring can swing along the cross section direction of the workpiece; the guide rod is telescopically arranged between the side wall of the guide ring and the shaft rod, and one end of the guide rod can slide along the side wall of the guide ring and is fixedly connected with the grinding plate; the other end of the guide rod can rotate around the shaft rod and is fixedly connected with the jacking device; the driving device comprises a driving wheel and a transmission rod, the driving wheel is rotatably arranged on the side wall of the guide ring and can slide along the side wall of the guide ring, the transmission rod is arranged in a telescopic mode, one end of the transmission rod is rotatably connected with the driving wheel, the other end of the transmission rod is fixedly connected with the guide rod, when the driving wheel rotates, the driving wheel slides along the side wall of the guide ring, and the grinding plate slides along the inner portion of a workpiece through the transmission rod.
Furthermore, the jacking device comprises a jacking rod, the jacking rod is provided with a first fixing part and a first sliding part, the first fixing part is fixedly connected to the lower end face of the grinding plate, one end of the first sliding part is connected with one end of the first fixing part in a sliding mode, the other end of the first sliding part is connected to the shaft rod in a rotating mode, a first elastic part is arranged between the first sliding part and the first fixing part, the first elastic part always drives the first fixing part and the first sliding part to be away from each other or has a trend of being away from each other, and the grinding plate is enabled to be abutted to the inner side wall of the workpiece all the time.
Furthermore, the guide rod is provided with a second fixing part and a second sliding part, one end of the second fixing part is rotatably connected to the shaft rod, and a first connecting rod is fixedly arranged between the second fixing part and the first sliding part; one end of the second sliding portion is connected with one end of the second fixing portion in a sliding mode, the other end of the second sliding portion can slide along the circumferential direction of the side wall of the guide ring, and a second connecting rod is fixedly arranged between the second sliding portion and the grinding plate.
Furthermore, the transmission rod comprises a third fixing part and a third sliding part, one end of the third fixing part is connected with one end of the third sliding part in a sliding mode, the other end of the third fixing part is fixedly connected to the second fixing part, and the other end of the third sliding part is connected to the driving wheel in a rotating mode.
Furthermore, a sliding groove is formed in the end portion of the third sliding portion, an eccentric rod is fixedly arranged on the driving wheel, and the eccentric rod is slidably arranged in the sliding groove so that the third sliding portion can swing back and forth when the driving wheel rotates.
Furthermore, the auxiliary frame comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is perpendicular to the shaft rod, the lower end of the first telescopic rod is fixedly connected to the fixing plate, the second telescopic rod is perpendicular to the first telescopic rod, one end of the second telescopic rod is fixedly connected to the upper end of the first telescopic rod, the other end of the second telescopic rod is fixedly connected with the guide ring through a third connecting rod, and the guide ring and a workpiece are coaxially arranged in an initial state.
Furthermore, the auxiliary frames are arranged in two groups, and the two groups of auxiliary frames are symmetrically arranged on two sides of the guide ring.
Furthermore, the guide ring is a gear ring, the driving wheel is a gear, the gear ring and the gear are in meshing transmission, and a preset gear ratio is formed between the gear ring and the gear.
Furthermore, the driving device further comprises a power source, a transmission belt and a fixed rod, wherein the power source can slide along the side wall of the guide ring, the transmission belt is arranged between the power output shaft of the power source and the rotating shaft of the gear, and the two ends of the fixed rod are respectively connected with the power output shaft of the power source and the rotating shaft of the gear in a rotating mode, so that the gear and the toothed ring are always meshed.
The invention has the beneficial effects that: the invention relates to a polishing device for the inner surface of a hollow tubular steel column, which comprises a fixed frame, a positioning assembly, a support, a grinding plate, a jacking device, a guide device and a driving device. When the work piece inside wall meets impurity protruding, the extrusion force that makes the grinding board act on the work piece inside wall through the tight device in top increases, and the radial direction removal of grinding board along the work piece, make the guide ring swing under the effect of guide bar, and make the transfer line extension, the guide bar shortens, the distance that the drive ring rotated a week transfer line deflection at the guide ring has been changed, make the grinding scope of grinding board reduce, the realization is to the grinding that becomes more meticulous of impurity, when the impurity of work piece inside wall is crossed to the grinding board, make the guide ring resume to initial condition, through the grinding power of change to work piece inside wall different positions, make the grinding board evenly grind the work piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an apparatus for polishing an inner surface of a hollow tubular steel column according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is an exploded view of FIG. 1;
fig. 7 is a schematic diagram of the connection relationship between the grinding assembly, the jacking device, the guide rod and the driving device in fig. 1.
In the figure: 110. a support leg; 120. a fixing plate; 130. a positioning assembly; 131. fixing a column; 132. a sliding clamping block; 133. a vertical support block; 140. a support; 141. a first link; 142. a second link; 143. a third link; 144. a shaft lever; 210. grinding the plate; 220. a tightening rod; 221. a first fixed part; 222. a first sliding section; 230. a guide bar; 231. a second fixed part; 232. a second sliding section; 240. a transmission rod; 241. a third fixed part; 242. a third sliding part; 243. a chute; 250. a first connecting rod; 260. a second connecting rod; 310. a gear; 311. an eccentric rod; 320. a toothed ring; 410. a motor; 420. fixing the rod; 430. a transmission belt; 500. an auxiliary frame; 510. a first telescopic rod; 520. a second telescopic rod; 530. and a third connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
An embodiment of the grinding device for the inner surface of the hollow tubular steel column, as shown in fig. 1 to 7, comprises a fixed frame, a positioning assembly 130, a bracket 140, a grinding assembly, a jacking device, a guiding device and a driving device.
The fixing frame is fixedly provided with a fixing plate 120, specifically, the fixing frame comprises at least four supporting legs 110, and the fixing plate 120 is horizontally arranged at the upper ends of the supporting legs 110. The positioning assembly 130 is fixedly connected to the fixing plate 120, the positioning assembly 130 is used for fixing a workpiece to be machined, further, the positioning assembly 130 comprises a horizontal clamping unit and a vertical supporting block 133, the vertical supporting block 133 is fixedly arranged at the plate center of the fixing plate 120, and an upward opening V-shaped groove is formed in the upper end of the vertical supporting block 133, so that the workpiece of a tubular structure to be machined is supported. The horizontal clamping unit comprises a fixed column 131 and a sliding clamping block 132, the fixed column 131 is arranged in a telescopic mode, the lower end of the fixed column 131 is fixedly connected to the fixing plate 120, the sliding clamping block 132 is vertically arranged at the upper end of the fixed column 131, and the sliding clamping block 132 is arranged in a horizontal sliding mode. The horizontal clamping units are arranged in two groups, and the two groups of horizontal clamping units are symmetrically arranged on two sides of the vertical supporting block 133 to be suitable for fixing workpieces with different outer diameters.
The bracket 140 is fixedly arranged on the upper end surface of the fixing plate 120, a shaft rod 144 is fixedly arranged on the bracket 140, and the shaft rod 144 is coaxially arranged in the workpiece, specifically, the bracket 140 includes two first connecting rods 141, two second connecting rods 142 and a third connecting rod 143, and the two first connecting rods 141 are vertically arranged at two ends of the upper end surface of the fixing plate 120. The second link 142 is fixedly connected between the upper ends of the two first links 141. The third connecting rod 143 is bent by 90 degrees, one end of the third connecting rod 143 is fixedly connected to the middle of the second connecting rod 142, the other end of the third connecting rod 143 is height-adjustable, a shaft lever 144 coaxial with the workpiece is fixedly arranged at the other end of the third connecting rod 143, and the shaft lever 144 is arranged inside the workpiece, so that the shaft lever 144 is always coaxial with the workpiece.
The grinding assembly comprises a grinding plate 210, the grinding plate 210 enables the grinding plate 210 to abut against the inner side wall of the workpiece through a jacking device, and the grinding plate 210 can be arranged along the inner side wall of the workpiece in a sliding mode. Specifically, the tightening device includes a tightening rod 220, the tightening rod 220 has a first fixing portion 221 and a first sliding portion 222, the first fixing portion 221 is fixedly connected to the lower end surface of the grinding plate 210, one end of the first sliding portion 222 is slidably connected to one end of the first fixing portion 221, the other end of the first sliding portion 222 is rotatably connected to the shaft rod 144, a first elastic member is disposed between the first sliding portion 222 and the first fixing portion 221, and the first elastic member has a tendency of driving the first fixing portion 221 and the first sliding portion 222 to be away from each other or have the movement, so that the grinding plate 210 is always abutted against the inner side wall of the workpiece. Further, the first elastic member is a first spring, and the first spring is in a compressed state in an initial state, so that the grinding plate 210 acts on the inner side wall of the workpiece to have a preset extrusion force.
The guide means includes a guide ring and a guide rod 230, and the guide ring is disposed on the fixed plate 120 through the auxiliary frame 500 so that the guide ring can swing in the sectional direction of the workpiece. Specifically, the auxiliary frame 500 includes a first telescopic rod 510 and a second telescopic rod 520, the first telescopic rod 510 is vertically disposed, the lower end of the first telescopic rod 510 is fixedly connected to the fixing plate 120, the second telescopic rod 520 is horizontally disposed, one end of the second telescopic rod 520 is fixedly connected to the upper end of the first telescopic rod 510, the other end of the second telescopic rod 520 is fixedly connected to the guide ring through a third connecting rod 530, and the guide ring can swing in the vertical plane of the cross section of the workpiece under the telescopic action of the first telescopic rod 510 and the second telescopic rod 520. And in the initial state, the guide ring is arranged coaxially with the workpiece. The auxiliary frame 500 is provided with two sets, and two sets of auxiliary frames 500 are symmetrically arranged on two sides of the guide ring, so that the stability of the guide ring in the swinging process is improved.
The guiding rod 230 is telescopically arranged between the side wall of the guiding ring and the shaft rod 144, and one end of the guiding rod 230 can slide along the side wall of the guiding ring and is fixedly connected with the grinding plate 210. The other end of the guiding rod 230 can rotate around the shaft 144 and is fixedly connected with the tightening device. Specifically, the guide rod 230 has a second fixing portion 231 and a second sliding portion 232, one end of the second fixing portion 231 is rotatably connected to the shaft 144, and a first connecting rod 250 is fixedly disposed between the second fixing portion 231 and the first sliding portion 222. One end of the second sliding portion 232 is slidably connected to one end of the second fixing portion 231, the other end of the second sliding portion 232 can slide along the circumferential direction of the side wall of the guide ring, and a second connecting rod 260 is fixedly disposed between the second sliding portion 232 and the grinding plate 210 so as to generate angular deflection on the guide ring at the second sliding portion 232, so that the grinding plate 210 slides on the inner side wall of the workpiece, and the inner side wall of the workpiece is ground by the grinding plate 210. When the inner side wall of the workpiece has a local bulge, because the grinding plate 210 is fixedly connected to the second sliding portion 232, the end portion of the second sliding portion 232 can slide along the circumferential direction of the side wall of the guide ring, and the guide ring can swing in the cross section direction of the workpiece under the combined action of the first telescopic rod 510, the second telescopic rod 520 and the third connecting rod 530, when the grinding plate 210 moves along the radial direction of the workpiece, the grinding plate 210 pulls the guide ring to swing synchronously in the cross section direction of the workpiece through the second sliding portion 232, so that the second sliding portion 232 can always slide along the circumferential direction of the side wall of the guide ring, the grinding plate 210 is ensured to abut against the inner side wall of the workpiece, and the grinding plate 210 generates effective grinding on the workpiece.
The driving device comprises a driving wheel and a transmission rod 240, the driving wheel is rotatably arranged on the side wall of the guide ring and can slide along the side wall of the guide ring, the transmission rod 240 is telescopically arranged, one end of the transmission rod 240 is rotatably connected with the driving wheel, the other end of the transmission rod 240 is fixedly connected with the guide rod 230, so that when the driving wheel rotates, the driving wheel slides along the side wall of the guide ring, and the grinding plate 210 slides along the inside of the workpiece through the transmission rod 240. Further, the transmission rod 240 includes a third fixing portion 241 and a third sliding portion 242, one end of the third fixing portion 241 is slidably connected to one end of the third sliding portion 242, the other end of the third fixing portion 241 is fixedly connected to the second fixing portion 231, an end of the third sliding portion 242 is provided with a sliding slot 243, the driving wheel is fixedly provided with an eccentric rod 311, and the eccentric rod 311 is slidably and rotatably disposed in the sliding slot 243 to enable the third sliding portion 242 to swing back and forth when the driving wheel rotates.
In this embodiment, the driving device further includes a power source, a transmission belt 430 and a fixing rod 420, the power source can slide along the side wall of the driving ring, the transmission belt 430 is disposed between the power output shaft of the power source and the rotating shaft of the driving wheel, and two ends of the fixing rod 420 are respectively rotatably connected to the power output shaft of the power source and the rotating shaft of the driving wheel, so that the driving wheel and the guide ring are always engaged. Further, the guide ring is a toothed ring 320, the driving wheel is a gear 310, the power source is a motor 410, and the motor 410 can slide on the side wall of the toothed ring 320 in the circumferential direction. The gear ring 320 and the gear 310 are in mesh transmission, and the gear ring 320 and the gear 310 have a preset gear ratio, so that the gear 310 rotates for a circle to move a small distance on the gear ring 320 and revolves around the gear ring 320 when the gear 310 rotates.
With the above embodiments, the usage principle and working process of the present invention are as follows:
during operation, a hollow tubular steel column workpiece to be processed is placed in the V-shaped groove of the vertical supporting block 133, the heights of the fixing columns 131 are adjusted, and the workpiece is clamped through the sliding clamping blocks 132 at the upper ends of the two fixing columns 131. At this time, the height of the third link 143 is adjusted so that the shaft 144 fixed to the third link 143 is coaxial with the workpiece. The length of the first telescopic rod 510, the second telescopic rod 520 and the third telescopic rod of the auxiliary frame 500 is adjusted to make the toothed ring 320 coaxial with the workpiece.
The motor 410 is started, the power output shaft of the motor 410 drives the gear 310 to rotate through the transmission belt 430, the motor 410 can slide along the side wall of the gear ring 320, the power output shaft of the motor 410 is rotatably connected with the fixing rod 420 between the rotating shafts of the driving gear 310, so that the gear 310 is always meshed with the gear ring 320, and when the gear 310 rotates, the gear 310 revolves around the gear ring 320. Since the sidewall of the gear 310 is fixedly provided with the eccentric rod 311, and one end of the third sliding portion 242 is provided with the sliding slot 243, the eccentric rod 311 is rotatably and slidably disposed in the sliding slot 243. The third sliding portion 242 is slidably connected to the third fixing portion 241, and the third fixing portion 241 is fixedly connected to the second fixing portion 231, so that the second fixing portion 231 and the third fixing portion 241 can rotate around the shaft 144. The end of the second fixing portion 231 is slidably connected to the second sliding portion 232, and one end of the second sliding portion 232 is slidably disposed along the circumferential direction of the sidewall of the ring gear 320, so that when the gear 310 rotates and revolves around the ring gear 320, the second sliding portion 232 reciprocates along the sidewall of the ring gear 320, and since the second sliding portion 232 is fixedly connected to the friction plate via the second connecting rod 260, the friction plate reciprocates on the inner sidewall of the workpiece, thereby grinding the inner sidewall of the workpiece. The lower end of the friction plate is provided with a first fixing portion 221, the lower end of the first fixing portion 221 is slidably provided with a first sliding portion 222, a first connecting rod 250 is fixedly arranged between the first sliding portion 222 and the second fixing portion 231, and a first spring is arranged between the first sliding portion 222 and the first fixing portion 221, and is in a compressed state in an initial state, so that the grinding plate 210 has a certain extrusion force when grinding the inner side wall of the workpiece.
When the inner side wall of the workpiece has the convex impurities as the grinding plate 210 grinds the inner side wall of the workpiece, the grinding plate 210 is pushed by the convex impurities, so that the grinding plate 210 slides along the radial direction of the workpiece, the first spring is further compressed, and the pressing force of the grinding plate 210 to the inner side wall of the workpiece is further increased. Because the grinding plate 210 is fixedly connected with the second sliding portion 232 through the second connecting rod 260, and one end of the second sliding portion 232 slides along the circumferential direction of the side wall of the toothed ring 320, the toothed ring 320 is pushed by the second sliding portion 232 to slide synchronously with the grinding plate 210, and further the toothed ring 320 is not coaxial with the shaft rod 144, at this time, the second sliding portion 232 and the second fixing portion 231 approach each other, the third fixing portion 241 and the third sliding portion 242 are away from each other, so that after the gear 310 rotates for a circle on the toothed ring 320, the deflection angle of the third sliding portion 242 is reduced, and further the deflection angle of the second sliding portion 232 is reduced, the deflection angle of the second sliding portion 232 driving the grinding plate 210 is reduced, the grinding time for the raised impurities is prolonged, the fine grinding for the impurities is realized, and further the grinding uniformity for the inner side wall of the workpiece is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an internal surface equipment of polishing of hollow tubulose steel column which characterized in that: the method comprises the following steps:
the fixing frame is fixedly provided with a fixing plate;
the positioning assembly is used for fixing a workpiece to be machined;
the bracket is fixedly arranged on the upper end surface of the fixing plate, a shaft lever is fixedly arranged on the bracket, and the shaft lever is coaxially arranged in the workpiece;
the grinding assembly comprises a grinding plate, the grinding plate enables the grinding plate to abut against the inner side wall of the workpiece through a jacking device, and the grinding plate can be arranged along the inner side wall of the workpiece in a sliding mode;
the guide device comprises a guide ring and a guide rod, and the guide ring is arranged on the fixed plate through the auxiliary frame and can swing along the cross section direction of the workpiece; the guide rod is telescopically arranged between the side wall of the guide ring and the shaft rod, and one end of the guide rod can slide along the side wall of the guide ring and is fixedly connected with the grinding plate; the other end of the guide rod can rotate around the shaft rod and is fixedly connected with the jacking device;
the driving device comprises a driving wheel and a transmission rod, the driving wheel is rotatably arranged on the side wall of the guide ring and can slide along the side wall of the guide ring, the transmission rod is arranged in a telescopic mode, one end of the transmission rod is rotatably connected with the driving wheel, the other end of the transmission rod is fixedly connected with the guide rod, when the driving wheel rotates, the driving wheel slides along the side wall of the guide ring, and the grinding plate slides along the inner portion of the workpiece through the transmission rod.
2. The equipment for grinding the inner surface of the hollow tubular steel column according to claim 1, wherein: the jacking device comprises a jacking rod, the jacking rod is provided with a first fixing part and a first sliding part, the first fixing part is fixedly connected to the lower end face of the grinding plate, one end of the first sliding part is connected with one end of the first fixing part in a sliding mode, the other end of the first sliding part is connected to the shaft rod in a rotating mode, a first elastic part is arranged between the first sliding part and the first fixing part, the first elastic part always drives the first fixing part and the first sliding part to be away from each other or has a trend of being away from each other, and the grinding plate is enabled to be abutted to the inner side wall of the workpiece all the time.
3. The internal surface grinding device for the hollow tubular steel column as claimed in claim 2, wherein: the guide rod is provided with a second fixing part and a second sliding part, one end of the second fixing part is rotatably connected to the shaft rod, and a first connecting rod is fixedly arranged between the second fixing part and the first sliding part; one end of the second sliding portion is connected with one end of the second fixing portion in a sliding mode, the other end of the second sliding portion can slide along the circumferential direction of the side wall of the guide ring, and a second connecting rod is fixedly arranged between the second sliding portion and the grinding plate.
4. The internal surface grinding device for the hollow tubular steel column as claimed in claim 3, wherein: the transfer line includes third fixed part and third sliding part, the one end of third fixed part and the one end sliding connection of third sliding part, and the other end fixed connection of third fixed part is in the second fixed part, and the other end rotation of third sliding part is connected in the drive wheel.
5. The internal surface grinding device for the hollow tubular steel column as claimed in claim 4, wherein: the end part of the third sliding part is provided with a sliding groove, an eccentric rod is fixedly arranged on the driving wheel and can be arranged in the sliding groove in a sliding mode, and when the driving wheel rotates, the third sliding part can swing in a reciprocating mode.
6. The internal surface grinding device for the hollow tubular steel column as claimed in claim 1, wherein: the auxiliary frame comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is perpendicular to the shaft rod, the lower end of the first telescopic rod is fixedly connected to the fixing plate, the second telescopic rod is perpendicular to the first telescopic rod, one end of the second telescopic rod is fixedly connected to the upper end of the first telescopic rod, the other end of the second telescopic rod is fixedly connected with the guide ring through a third connecting rod, and the guide ring and a workpiece are coaxially arranged in an initial state.
7. The internal surface grinding device for the hollow tubular steel column as claimed in claim 6, wherein: the auxiliary frames are arranged in two groups, and the two groups of auxiliary frames are symmetrically arranged on two sides of the guide ring.
8. The internal surface grinding device for the hollow tubular steel column as claimed in claim 1, wherein: the guide ring is a gear ring, the driving wheel is a gear, the gear ring and the gear are in meshing transmission, and a preset gear ratio is formed between the gear ring and the gear.
9. The internal surface grinding device for the hollow tubular steel column as claimed in claim 8, wherein: the driving device further comprises a power source, a transmission belt and a fixed rod, wherein the power source can slide along the side wall of the guide ring, the transmission belt is arranged between a power output shaft of the power source and a rotating shaft of the gear, and the two ends of the fixed rod are respectively connected with the power output shaft of the power source and the rotating shaft of the gear in a rotating mode, so that the gear and the gear ring are always meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169595.4A CN115284084A (en) | 2022-09-26 | 2022-09-26 | Internal surface polishing equipment for hollow tubular steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169595.4A CN115284084A (en) | 2022-09-26 | 2022-09-26 | Internal surface polishing equipment for hollow tubular steel column |
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| Publication Number | Publication Date |
|---|---|
| CN115284084A true CN115284084A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211169595.4A Pending CN115284084A (en) | 2022-09-26 | 2022-09-26 | Internal surface polishing equipment for hollow tubular steel column |
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| CN (1) | CN115284084A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623520A (en) * | 2018-11-21 | 2019-04-16 | 滁州市云米工业设计有限公司 | A kind of positioning grinding attachment of electronic product internal pipeline processing |
| CN111283486A (en) * | 2020-05-11 | 2020-06-16 | 烟台工程职业技术学院(烟台市技师学院) | Processing and grinding device for automobile cylinder sleeve |
| CN113231913A (en) * | 2021-06-01 | 2021-08-10 | 宁波新材料科技城犀鸟工业设计有限公司 | Efficient deburring device and process for mold production |
| CN115042026A (en) * | 2022-08-17 | 2022-09-13 | 南通鑫迪渔具有限公司 | Grinding device in buffer storage storehouse for fish feed processing |
-
2022
- 2022-09-26 CN CN202211169595.4A patent/CN115284084A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623520A (en) * | 2018-11-21 | 2019-04-16 | 滁州市云米工业设计有限公司 | A kind of positioning grinding attachment of electronic product internal pipeline processing |
| CN111283486A (en) * | 2020-05-11 | 2020-06-16 | 烟台工程职业技术学院(烟台市技师学院) | Processing and grinding device for automobile cylinder sleeve |
| CN113231913A (en) * | 2021-06-01 | 2021-08-10 | 宁波新材料科技城犀鸟工业设计有限公司 | Efficient deburring device and process for mold production |
| CN115042026A (en) * | 2022-08-17 | 2022-09-13 | 南通鑫迪渔具有限公司 | Grinding device in buffer storage storehouse for fish feed processing |
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Application publication date: 20221104 |
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