CN114986368A - Device and method for polishing inner wall of deep hole of slender ultrathin pure titanium tube - Google Patents
Device and method for polishing inner wall of deep hole of slender ultrathin pure titanium tube Download PDFInfo
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- CN114986368A CN114986368A CN202210664915.7A CN202210664915A CN114986368A CN 114986368 A CN114986368 A CN 114986368A CN 202210664915 A CN202210664915 A CN 202210664915A CN 114986368 A CN114986368 A CN 114986368A
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- polishing
- wall
- titanium pipe
- titanium
- titanium tube
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/006—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing device and a method for a deep hole inner wall of a slender ultrathin pure titanium pipe, wherein the polishing device for the deep hole inner wall of the slender ultrathin pure titanium pipe comprises the following steps: the rotary clamping assembly is used for clamping a titanium pipe to be polished; and a polishing component, which is arranged at the side of the rotary clamping component and comprises a polishing piece; wherein the polishing member comprises: a guide rod section; and an air bag section arranged at one side end of the guide rod section, wherein the air bag section and the guide rod section are integrally formed; the air bag section is made of flexible materials, and the guide rod section is made of nylon materials. According to the invention, the polishing problems of vibration, corrugation, taper and the like which are easily generated during polishing of the inner wall of the deep hole of the titanium pipe due to the size and the material of the polishing piece are solved, the titanium pipe can be prevented from being deformed during polishing, the yield of the titanium pipe is improved, the polishing efficiency of the titanium pipe is improved, and the working efficiency is finally improved.
Description
Technical Field
The invention relates to the field of titanium tube inner wall polishing. More particularly, the invention relates to a device and a method for polishing the inner wall of a deep hole of a slender and ultrathin pure titanium tube.
Background
In the field of polishing the inner wall of a titanium tube, it is well known to adopt polishing devices with different structural forms to realize efficient polishing of the titanium tube. In the process of researching and realizing the high-efficiency polishing of the titanium tube, the inventor finds that the polishing device in the prior art has at least the following problems:
the grinding and polishing of the inner wall of the circular tube mainly uses mechanical polishing and electrolytic polishing at present, wherein the mechanical polishing method is used most, abrasive belts or abrasive paper are used, a long polishing rod extends into the circular tube through a straight grinding machine or a lathe, and the polishing and polishing effect of the inner tube arm is achieved through part rotation or abrasive paper wheel rotation.
When the existing polishing device is used for ultra-precisely polishing the inner wall of a deep hole of a slender and ultrathin pure titanium tube, the polishing rod is limited by the aperture, so that the polishing rod is small in diameter and large in length, the rigidity and the strength of the polishing rod are poor, vibration, corrugation and taper are easy to generate, and the straightness and the surface roughness of the deep hole polishing of the metal tube are influenced; meanwhile, the existing device is easy to generate heat too hard or is uneven in local polishing in the polishing process, so that the thin and long ultrathin pure titanium tube is stressed and deformed in the polishing process, and the dimensional accuracy and form and position tolerance indexes of parts are seriously influenced, so that the parts are scrapped.
In view of the above, there is a need to develop a polishing apparatus and method for inner wall of deep hole of slender and ultra-thin pure titanium tube to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide the slender and ultrathin polishing device for the inner wall of the deep hole of the pure titanium pipe, the air bag section made of flexible materials and the guide rod section made of nylon materials are adopted, so that the polishing problems of vibration, corrugation, taper and the like easily caused by the size and the material of a polishing piece during polishing of the inner wall of the deep hole of the titanium pipe are solved, the deformation of the titanium pipe in the polishing process can be prevented, the yield of the titanium pipe is improved, the polishing efficiency of the titanium pipe is improved, and the working efficiency is finally improved.
To achieve these objects and other advantages in accordance with the present invention, there is provided an apparatus for polishing a deep hole inner wall of an elongated ultra-thin pure titanium tube, comprising: the rotary clamping assembly is used for clamping a titanium pipe to be polished; and
the polishing component is arranged at the side of the rotary clamping component and comprises a polishing piece;
wherein the polishing member comprises: a guide rod section; and
an air bag section fixedly mounted on one side end of the guide rod section;
the air bag section is made of flexible materials, and the guide rod section is made of nylon materials.
Preferably, the periphery of the air bag section can be adhered with polishing leathers with different grain sizes.
Preferably, the air bag section is hollow so as to form an inflation cavity, a connecting air path is formed in the guide rod section, one end of the connecting air path is communicated with the inflation cavity, and the other end of the connecting air path is communicated with external air source equipment.
Preferably, the polishing assembly further comprises: the moving unit is in transmission connection with the polishing piece;
under the action of the rotary clamping assembly, the titanium pipe rotates along a first direction, under the action of the moving unit, the polishing piece moves into an inner hole of the titanium pipe, the air bag section is in contact connection with the inner wall of the titanium pipe, and meanwhile the polishing piece reciprocates along the direction parallel to the axial direction of the titanium pipe to polish the inner wall of the titanium pipe.
Preferably, the mobile unit includes: a movement driver;
the screw rod transmission part is in transmission connection with the power output end of the mobile driver; and
the adapter plate is in transmission connection with the movable part of the screw rod transmission piece, and the polishing piece is arranged above the adapter plate.
Preferably, the polishing assembly further comprises: the first rotary driver is fixedly arranged above the adapter plate, and the power output end of the first rotary driver is in transmission connection with the polishing piece;
under the action of the first rotary driver, the polishing piece rotates along a second direction opposite to the first direction.
Preferably, the rotating clamp assembly comprises: a second rotary driver;
the synchronization unit is in transmission connection with the power output end of the second rotary driver; and
the clamping unit is in transmission connection with the synchronous unit;
the clamping unit clamps and fixes the titanium pipe, and the titanium pipe rotates along a first direction by taking the axial direction as an axis under the action of the second rotary driver.
Preferably, the clamping unit includes: the clamping driver is in transmission connection with the synchronous unit; and
the clamping pieces are not less than two and are in transmission connection with the power output end of the clamping driver;
the clamping piece is provided with an air bag part, a connecting pipeline is arranged in the clamping piece, one end of the connecting pipeline is communicated with the air bag part, and the other end of the connecting pipeline is communicated with external air source equipment.
In another aspect, the present invention further provides a polishing method for a deep hole inner wall of an elongated ultra-thin pure titanium tube, the method being applied to the polishing apparatus for the deep hole inner wall of the elongated ultra-thin pure titanium tube according to any one of the above methods, the method comprising:
fixing the titanium pipe to be polished, and controlling the titanium pipe to rotate along a first direction;
adhering buff leather to the periphery of the bladder section of the polishing article;
controlling the polishing piece to enter an inner hole of the rotating titanium tube, and injecting compressed air into an air bag section of the polishing piece to enable the polishing leather to be attached to the inner wall of the titanium tube;
dripping deionized water containing cerium oxide into an inner hole of the titanium tube, controlling the polishing piece to rotate along a second direction, and synchronously controlling the polishing piece to reciprocate for a certain time along a direction parallel to the axial direction of the titanium tube;
and after polishing, measuring the roughness of the inner wall of the titanium tube.
Preferably, the rotation speed of the titanium pipe rotating along the first direction is 60-80 revolutions per minute.
One of the above technical solutions has the following advantages or beneficial effects: according to the invention, the airbag section made of the flexible material and the guide rod section made of the nylon material are adopted, so that the polishing problems of vibration, corrugation, taper and the like which are easily generated during polishing due to the size and the material of the polishing piece on the inner wall of the deep hole of the titanium pipe are solved, the titanium pipe can be prevented from being deformed in the polishing process, the yield of the titanium pipe is improved, the polishing efficiency of the titanium pipe is improved, and the working efficiency is finally improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:
FIG. 1 is a three-dimensional structural view of a deep-hole inner wall polishing device for an elongated ultrathin pure titanium tube according to an embodiment of the invention;
FIG. 2 is a top view of a deep-hole inner wall polishing device for an elongated ultra-thin pure titanium tube according to an embodiment of the present invention;
FIG. 3 is a three-dimensional structural view of a proposed rotating clamp assembly according to one embodiment of the present invention;
FIG. 4 is a cross-sectional view of a proposed clamp according to one embodiment of the present invention;
FIG. 5 is a three-dimensional structural view of a proposed burnishing element according to one embodiment of the present invention;
FIG. 6 is a cross-sectional view of a polishing article according to one embodiment of the present invention;
fig. 7 is a flow chart of a polishing method for the deep hole inner wall of the elongated ultrathin pure titanium tube, which is provided according to one embodiment of the invention.
Description of reference numerals:
100. a polishing device;
110. rotating the clamping assembly; 111. a second rotary drive; 112. a synchronization unit; 113. a clamping unit; 1131. a clamping actuator; 1132. a clamping member; 11321. a clamping groove; 11322. an air bag portion; 11323. connecting a pipeline;
120. a polishing assembly; 121. a mobile unit; 1211. a movement driver; 1212. a screw rod transmission part; 1213. an adapter plate; 122. a polishing member; 1221. a guide rod section; 12211. connecting the gas circuit; 1222. an air bag section; 12221. an inflation cavity; 123. a first rotary driver;
200. a titanium tube.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item appearing in front of the word "comprising" or "comprises" includes the element or item listed after the word "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the following description, words such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on different positions, different use states, etc. therefore, these or other orientations should not be interpreted as limiting terms.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to the relationship of structures being secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.
According to an embodiment of the present invention, referring to fig. 1 to 7, it can be seen that a polishing apparatus 100 for deep hole inner wall of a slender and ultrathin pure titanium tube comprises: a rotary clamping assembly 110 for clamping the titanium tube 200 to be polished; and
a polishing assembly 120 disposed alongside the spin chuck assembly 110, the polishing assembly 120 including a polishing member 122;
wherein the polishing member 122 includes: a guide rod segment 1221; and
an air bag section 1222 fixedly installed at one side end of the guide rod section 1221;
the balloon section 1222 is made of flexible material, and the guide rod section 1221 is made of nylon material.
It can be understood that the balloon section 1222 is made of a flexible material, so that the balloon section 1222 can deform when inflated, so that the balloon section 1222 can be tightly attached to the inner wall of the titanium tube 200, the balloon section 1222 has a better polishing effect, and meanwhile, the balloon section 1222 can be prevented from causing the deformation of the titanium tube 200, thereby improving the yield of the titanium tube 200.
The guide rod section 1221 is made of nylon material, so that the guide rod section 1221 has a certain strength to prevent the guide rod section 1211 from being damaged during polishing to affect the polishing operation; and has certain toughness, so that the guide rod section 1211 can be slightly bent in the polishing process, the titanium tube 200 is prevented from being deformed in the polishing process of the guide rod section 1211, and the yield of the titanium tube 200 is improved.
In a preferred embodiment of the present invention, the outer diameter of the guide rod segment 1221 is smaller than the bore diameter of the titanium tube 200.
Further, the outer perimeter of the bladder segment 1222 may be adhered with buff leather of varying grit.
In a specific embodiment of the present invention, polishing operation may be performed by adhering polishing leather having coarse and fine particle sizes to the outer periphery of the airbag section of the polishing member, and after polishing, polishing operation may be performed by replacing polishing leather having coarse and fine particle sizes with polishing leather having fine and coarse particle sizes to the outer periphery of the airbag section of the polishing member, and after polishing operation is performed again, polishing operation may be performed by adhering polishing leather having fine and fine particle sizes to the outer periphery of the airbag section of the polishing member.
Further, the air bag section 1222 is hollow inside to form an inflation cavity 12221, a connection air path 12211 is opened inside the guide rod section 1221, one end of the connection air path 12211 is communicated with the inflation cavity 12221, and the other end of the connection air path 12211 is communicated with an external air source device.
Under the action of the air supply device, compressed air is delivered into the inflation cavity 12221 through the connecting air passage 12211 to inflate the balloon segment 1222, so that the balloon segment 1222 is tightly attached to the inner wall of the titanium tube 200.
Further, the polishing assembly 120 further includes: a moving unit 121, which is in transmission connection with the polishing member 122;
under the action of the rotating clamping assembly 110, the titanium tube 200 rotates along a first direction, and under the action of the moving unit 121, the polishing piece 122 moves into the inner hole of the titanium tube 200 and the air bag section 1222 is in contact connection with the inner wall of the titanium tube 200, and meanwhile, the polishing piece 122 reciprocates along a direction parallel to the axial direction of the titanium tube 200 so as to polish the inner wall of the titanium tube 200.
Further, the moving unit 121 includes: a movement driver 1211;
a screw rod transmission 1212, which is in transmission connection with the power output end of the mobile driver 1211; and
an adapter plate 1213, which is in transmission connection with the movable portion of the screw rod transmission 1212, and the polishing member 122 is disposed above the adapter plate 1213.
Specifically, under the action of the moving driver 1211, the polishing member 122 moves to the inner hole of the titanium tube 200, and meanwhile, the polishing member 122 moves back and forth along a direction parallel to the axial direction of the titanium tube 200, so that the polishing member 122 performs a polishing operation on the inner wall of the titanium tube 200.
Further, the polishing assembly 120 further includes: the first rotary driver 123 is fixedly arranged above the adapter plate 1213, and the power output end of the first rotary driver 123 is in transmission connection with the polishing element 122;
under the action of the first rotary driver 123, the polishing member 122 rotates in a second direction opposite to the first direction.
It can be understood that, during the polishing process, the titanium tube 200 rotates in a first direction, and simultaneously, under the action of the first rotary driver 123, the polishing member 122 rotates in a second direction opposite to the first direction, so as to improve the polishing efficiency of the polishing member 122, and finally improve the work efficiency.
Further, the rotating clamp assembly 110 includes: a second rotation driver 111; a synchronization unit 112, which is in transmission connection with the power output end of the second rotation driver 111; and a clamping unit 113, which is in transmission connection with the synchronization unit 112;
specifically, the clamping unit 113 clamps and fixes the titanium tube 200, and under the action of the second rotary driver 111, the titanium tube 200 rotates along a first direction with the axial direction thereof as an axis, so that the titanium tube 200 is matched with the polishing member 122 to polish the inner wall of the titanium tube 200.
In a preferred embodiment of the present invention, the synchronization unit 112 is any one of a driving belt, a driving chain or a driving gear.
Further, the clamping unit 113 includes: a clamping drive 1131, which is in driving connection with the synchronization unit 112; and
the number of the clamping pieces 1132 is not less than two, and the clamping pieces 1132 are in transmission connection with the power output end of the clamping driver 1131;
wherein, centre gripping groove 11321 has been seted up to the inboard of holder 1132, be provided with gasbag portion 11322 in the centre gripping groove 11321, connecting tube 11323 has been seted up in the holder 1132, connecting tube 11323's one end and gasbag portion 11322 are linked together, connecting tube 11323's the other end is linked together with outside air supply equipment.
Specifically, under the action of the clamping driver 1131, the clamping member 1132 clamps the titanium pipe 200 to be polished, so as to limit and fix the titanium pipe 200, and prevent the titanium pipe 200 from moving freely during the polishing process;
meanwhile, an air bag portion 11322 is arranged in the clamping groove 11321, when the clamping driver 1131 controls the clamping piece 1132 to clamp and fix the titanium tube 200, compressed air is conveyed into the air bag portion 11322 through a connecting pipeline 11323 by external air source equipment, so that the air bag portion 11322 is inflated and expanded, the pressure between the air bag portion 11322 and the titanium tube 200 is increased, the titanium tube 200 is clamped and fixed more tightly, and certain deformation can occur in the air bag portion 11322, so that the part scrapping caused by the deformation of the titanium tube 200 in the polishing process is prevented, and the yield of the titanium tube 200 is improved.
It should be understood that the prevention of deformation of the titanium tube 200 during polishing is not limited to the arrangement of the air bag portion 11322 in the clamping groove 11321, and other common structures, such as the outer periphery of the clamping groove 11321 is coated with an outer layer made of flexible material, can also prevent deformation of the titanium tube 200 during polishing, and therefore, should also be regarded as a specific embodiment of the present disclosure.
On the other hand, referring to fig. 7 again, the invention further provides a polishing method for the deep hole inner wall of the elongated ultrathin pure titanium pipe, which is applied to the polishing device for the deep hole inner wall of the elongated ultrathin pure titanium pipe, and the method comprises the following steps:
step S1, fixing the titanium tube to be polished, and controlling the titanium tube to rotate along a first direction;
step S2, adhering the polishing leather to the periphery of the air bag section of the polishing piece;
s3, controlling the polishing piece to enter an inner hole of the rotating titanium tube, and simultaneously injecting compressed air into the air bag section of the polishing piece to enable the polishing leather to be attached to the inner wall of the titanium tube;
step S4, drip-irrigating cerium oxide-containing deionized water into an inner hole of the titanium tube, controlling the polishing piece to rotate along a second direction, and synchronously controlling the polishing piece to reciprocate for a certain time along a direction parallel to the axial direction of the titanium tube;
and step S5, after finishing polishing, measuring the roughness of the inner wall of the titanium tube.
Further, the rotating speed of the titanium pipe rotating along the first direction is 60-80 revolutions per minute.
In one embodiment of the present invention, the titanium tube is rotated in the first direction at a speed of 60 rpm, in another embodiment of the present invention, the titanium tube is rotated in the first direction at a speed of 80 rpm, and in yet another embodiment of the present invention, the titanium tube is rotated in the first direction at a speed of 70 rpm.
Specifically, the specific personnel for setting the rotating speed of the titanium pipe rotating along the first direction can set the rotating speed according to the actual situation.
In a preferred embodiment of the invention, the titanium tube is rotated in the first direction at a speed of 70 rpm.
In a preferred embodiment of the present invention, polishing leathers of different grain sizes may be sequentially adhered to the outer circumferences of the bladder segments of the polishing members, respectively, to perform the polishing operation in step S2.
For example, polishing leather with coarse and fine particle sizes can be adhered to the periphery of the air bag section of the polishing piece for polishing operation, after polishing is completed, polishing leather with coarse and fine particle sizes is replaced by polishing leather with fine and coarse particle sizes, after polishing is completed again, polishing leather with fine and fine particle sizes is adhered to the periphery of the air bag section of the polishing piece for polishing operation, and polishing is carried out by replacing polishing leather according to a coarse-fine-ultrafine sequence so that the inner wall of the titanium tube has a better polishing effect.
In step S5, the roughness of the inner wall of the titanium tube may be measured by a roughness meter to test whether the titanium tube meets the index requirements of the design drawing; or the titanium pipe is actually applied and tested to test whether the titanium pipe meets the index requirements of the design drawing.
In a first embodiment of the present invention:
the clamping driver 1131 controls the clamping member 1132 to clamp and fix the titanium pipe 200 to be polished, and the second rotary driver 111 controls the titanium pipe 200 to rotate along a first direction by taking the axial direction as an axis;
attaching the rough-grain polished leather to the outer periphery of the balloon section 1222, the moving driver 1211 first controls the balloon section 1222 to move into the inner bore of the titanium tube 200, drops the deionized water containing cerium oxide into the inner bore of the titanium tube 200, the first rotary actuator 123 controls the polishing member 122 to rotate in a second direction opposite to the first direction, while the moving driver 1211 controls the polishing member 122 to reciprocate in a direction parallel to the axial direction of the titanium tube 200, the fine particles of cerium oxide in the polishing leather and deionized water cut the inner wall of the titanium tube 200, so as to polish the titanium tube 200, and the deionized water containing cerium oxide can play a role in lubricating, thereby facilitating the movement of polishing leather in the inner hole of the titanium tube 200, meanwhile, the deionized water containing cerium oxide is dripped to cool the titanium tube 200 through friction heating, so that the problem of deformation of the titanium tube caused by friction heating in the polishing process can be solved;
when polishing of the polishing leather with coarse grain size is completed, the moving driver 1211 controls the air bag section 1222 to move to the outer region of the titanium tube 200, and the polishing leather with coarse grain size is replaced by the polishing leather with fine grain size adhered to the outer periphery of the air bag section 1222, and the operation is repeated;
after finishing polishing the buff with fine and coarse grain, the moving driver 1211 controls the air bag section 1222 to move to the outer area of the titanium tube 200, the buff with fine and coarse grain is replaced by the buff with fine and coarse grain adhered to the outer circumference of the air bag section 1222, and the above operations are repeated to completely finish the polishing operation of the inner wall of the titanium tube 200, so that the titanium tube 200 completely meets the index requirements of the design drawing.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a slender ultra-thin pure titanium pipe deep hole inner wall burnishing device which characterized in that includes:
a rotating clamping assembly (110) for clamping a titanium tube (200) to be polished; and
a polishing assembly (120) disposed alongside the spin chuck assembly (110), the polishing assembly (120) comprising a polishing member (122);
wherein the polishing member (122) comprises: a guide rod segment (1221); and
an air bag section (1222) fixedly installed at one side end of the guide rod section (1221);
the air bag section (1222) is made of a flexible material, and the guide rod section (1221) is made of a nylon material.
2. The deep hole inner wall polishing device for the slender ultra-thin pure titanium pipe as claimed in claim 1, wherein the outer circumference of the balloon segment (1222) can be adhered with polishing leathers with different thickness and fineness.
3. The deep hole inner wall polishing device for the elongated and ultrathin pure titanium pipe as claimed in claim 1, wherein the air bag section (1222) is hollow inside to form an inflation cavity (12221), a connecting air passage (12211) is opened inside the guide rod section (1221), one end of the connecting air passage (12211) is communicated with the inflation cavity (12221), and the other end of the connecting air passage (12211) is communicated with an external air source device.
4. The apparatus according to claim 1, wherein the polishing assembly (120) further comprises: a moving unit (121) which is in transmission connection with the polishing piece (122);
under the action of the rotary clamping assembly (110), the titanium pipe (200) rotates along a first direction, under the action of the moving unit (121), the polishing piece (122) moves into the inner hole of the titanium pipe (200), the air bag section (1222) is in contact connection with the inner wall of the titanium pipe (200), and meanwhile, the polishing piece (122) moves back and forth along the direction parallel to the axial direction of the titanium pipe (200) so as to polish the inner wall of the titanium pipe (200).
5. The deep hole inner wall polishing device for the elongated ultra-thin pure titanium tube as recited in claim 4, wherein said moving unit (121) comprises: a movement driver (1211);
the screw rod transmission piece (1212) is in transmission connection with the power output end of the mobile driver (1211); and
an adapter plate (1213) in transmission connection with the movable portion of the screw drive (1212), and the polishing member (122) is arranged above the adapter plate (1213).
6. The apparatus according to claim 5, wherein the polishing assembly (120) further comprises: the first rotary driver (123) is fixedly arranged above the adapter plate (1213), and the power output end of the first rotary driver (123) is in transmission connection with the polishing piece (122);
the polishing member (122) is rotated in a second direction opposite to the first direction by the first rotary drive (123).
7. The apparatus according to claim 1, wherein the rotary clamping assembly (110) comprises: a second rotary drive (111);
a synchronization unit (112) in transmission connection with the power output of the second rotary drive (111); and
a clamping unit (113) in transmission connection with the synchronization unit (112);
the clamping unit (113) clamps and fixes the titanium pipe (200), and the titanium pipe (200) rotates along a first direction by taking the axial direction as an axis under the action of the second rotary driver (111).
8. The deep hole inner wall polishing device for the elongated ultra-thin pure titanium tube as claimed in claim 7, wherein said holding unit (113) comprises: a clamping drive (1131) in driving connection with the synchronization unit (112); and
the clamping pieces (1132) are not less than two, and the clamping pieces (1132) are in transmission connection with the power output end of the clamping driver (1131);
wherein, centre gripping groove (11321) have been seted up to the inboard of holder (1132), be provided with gasbag portion (11322) in holder groove (11321), connecting tube (11323) have been seted up in holder (1132), the one end and the gasbag portion (11322) of connecting tube (11323) are linked together, the other end and the outside air supply equipment of connecting tube (11323) are linked together.
9. A method for polishing the deep hole inner wall of an elongated ultrathin pure titanium pipe, which is applied to the device for polishing the deep hole inner wall of the elongated ultrathin pure titanium pipe as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
fixing a titanium pipe to be polished, and controlling the titanium pipe to rotate along a first direction;
adhering buff leather to the periphery of the bladder section of the polishing article;
controlling the polishing piece to enter an inner hole of the rotating titanium tube, and injecting compressed air into an air bag section of the polishing piece to enable the polishing leather to be attached to the inner wall of the titanium tube;
dripping deionized water containing cerium oxide into an inner hole of the titanium tube, controlling the polishing piece to rotate along a second direction, and synchronously controlling the polishing piece to reciprocate for a certain time along a direction parallel to the axial direction of the titanium tube;
and after polishing, measuring the roughness of the inner wall of the titanium tube.
10. The apparatus for polishing the inner wall of a deep hole of an elongated and ultra-thin pure titanium tube according to claim 8, wherein the rotation speed of the titanium tube in the first direction is 60 to 80 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664915.7A CN114986368A (en) | 2022-06-13 | 2022-06-13 | Device and method for polishing inner wall of deep hole of slender ultrathin pure titanium tube |
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| CN202210664915.7A CN114986368A (en) | 2022-06-13 | 2022-06-13 | Device and method for polishing inner wall of deep hole of slender ultrathin pure titanium tube |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6144570A (en) * | 1984-08-03 | 1986-03-04 | Sakae Seisakusho:Kk | Polishing apparatus for automatic galvanization |
| WO2016049957A1 (en) * | 2014-09-30 | 2016-04-07 | 广东省自动化研究所 | Multi-angular automatic polishing system and polishing method thereof |
| CN105729181A (en) * | 2016-03-31 | 2016-07-06 | 苏州市合叶精密机械有限公司 | Flexible fixture applicable to workpieces with irregular shapes |
| CN110385634A (en) * | 2019-08-17 | 2019-10-29 | 浙江华鼎机械有限公司 | A kind of internal perisporium polishing machine of nut |
| CN213999023U (en) * | 2020-12-31 | 2021-08-20 | 四川永嵘钢化玻璃有限公司 | Volumetric flask inner wall burnishing device |
-
2022
- 2022-06-13 CN CN202210664915.7A patent/CN114986368A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6144570A (en) * | 1984-08-03 | 1986-03-04 | Sakae Seisakusho:Kk | Polishing apparatus for automatic galvanization |
| WO2016049957A1 (en) * | 2014-09-30 | 2016-04-07 | 广东省自动化研究所 | Multi-angular automatic polishing system and polishing method thereof |
| CN105729181A (en) * | 2016-03-31 | 2016-07-06 | 苏州市合叶精密机械有限公司 | Flexible fixture applicable to workpieces with irregular shapes |
| CN110385634A (en) * | 2019-08-17 | 2019-10-29 | 浙江华鼎机械有限公司 | A kind of internal perisporium polishing machine of nut |
| CN213999023U (en) * | 2020-12-31 | 2021-08-20 | 四川永嵘钢化玻璃有限公司 | Volumetric flask inner wall burnishing device |
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