CN114632856B - High-precision processing device for medical parts - Google Patents
High-precision processing device for medical parts Download PDFInfo
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- CN114632856B CN114632856B CN202210271959.3A CN202210271959A CN114632856B CN 114632856 B CN114632856 B CN 114632856B CN 202210271959 A CN202210271959 A CN 202210271959A CN 114632856 B CN114632856 B CN 114632856B
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000004049 embossing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012840 feeding operation 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
- 238000007493 shaping process Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/025—Stamping using rigid devices or tools for tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/04—Stamping using rigid devices or tools for dimpling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a high-precision processing device for medical parts, wherein one end of a mandrel connected with a fixed seat passes through a through hole, a thin-wall pipe sleeved on the mandrel penetrates through the through hole, a plurality of guide through holes extending outwards along the radial direction of the thin-wall pipe are formed in the inner wall of the through hole at equal intervals along the circumferential direction, a forming punch head is movably arranged in each guide through hole in a penetrating manner, a plurality of cam parts corresponding to the forming punch head are arranged in the inner wall of an annular rotary table at equal intervals along the circumferential direction, one end of the forming punch head, far away from the thin-wall pipe, is provided with a flange part outwards along the radial direction, the guide through hole comprises a guide section close to the thin-wall pipe and a containing section with the inner diameter larger than that of the guide section, the flange part of the forming punch head is positioned in the containing section of the guide through hole, and an elastic part is sleeved on the forming punch head and is positioned between the flange part of the forming punch head and the guide section of the guide through hole. The invention not only realizes the multipoint embossing processing of two axial positions on the thin-wall pipe, but also improves the consistency among a plurality of salient points obtained by one-time processing.
Description
Technical Field
The invention relates to a high-precision processing device for medical parts, and belongs to the technical field of precision part processing.
Background
Endoscopes are detection instruments that integrate traditional optics, ergonomics, precision machinery, modern electronics, mathematics, software, etc., and can be accessed orally into the stomach or through other natural tunnels. The endoscope can be used for seeing lesions which cannot be displayed by X-rays, and is widely applied to the medical field for diagnosing lesion tissues in a body cavity.
As the core accessory of medical endoscope, the processing quality of mirror tube is vital, especially carries out inwards multiple spot to the mirror tube of thin wall and beats protruding processing, and prior art is general directly beaten, is rotated, is beaten again and is realized the shaping effect of a plurality of bumps through the manual work to tubular product, and not only labor degree is big, production efficiency is low, and the position accuracy is not high moreover, can't guarantee the uniformity.
Disclosure of Invention
The invention aims to provide a high-precision processing device for medical parts, which not only realizes multipoint embossing processing on two axial positions on a thin-wall pipe and improves the processing efficiency, but also improves the consistency among a plurality of salient points obtained by one-time processing.
In order to achieve the above purpose, the invention adopts the following technical scheme: a high precision machining device for medical parts, for machining thin-walled tubes, comprising: the machine comprises a machine table, a fixed seat and a bracket, wherein the fixed seat is arranged on the upper surface of the machine table, a first supporting plate and a second supporting plate are arranged on the bracket and are positioned right above the fixed seat, a base is arranged on the upper surfaces of the first supporting plate and the second supporting plate which are arranged at intervals in the vertical direction, an annular rotary table is rotatably arranged on the outer side of the base, a through hole is formed in the center of the base, the other end of a mandrel with one end connected with the fixed seat penetrates through the through hole, and a thin-wall tube sleeved on the mandrel penetrates through the through hole;
a plurality of guide through holes extending outwards along the radial direction of the thin-wall pipe are formed in the inner wall of the through hole at equal intervals along the circumferential direction, a forming punch head is movably penetrated in each guide through hole, a plurality of cam parts corresponding to the forming punch heads are formed in the inner wall of the annular rotary table at equal intervals along the circumferential direction, one end of the forming punch head, which is far away from the thin-wall pipe, is provided with a flange part outwards along the radial direction, the guide through holes comprise guide sections close to the thin-wall pipe and containing sections with the inner diameter larger than that of the guide sections, the flange parts of the forming punch heads are positioned in the containing sections of the guide through holes, and an elastic piece is sleeved on the forming punch head and positioned between the flange parts of the forming punch heads and the guide sections of the guide through holes;
when the rotatable annular rotary table is in a first position, the cam part on the annular rotary table is in pushing contact with one end of the forming punch head and enables the elastic piece to be in an extrusion state, the other end of the forming punch head is in propping contact with the outer wall of the thin-wall pipe penetrating into the through hole, when the annular rotary table rotates to a second position, the cam part on the annular rotary table is far away from one end of the forming punch head and the elastic piece is in a diastole state, and the other end of the forming punch head and the outer wall of the thin-wall pipe are arranged at intervals.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, one end of a rotary connecting rod is connected with the annular turntable, and the other end of the rotary connecting rod correspondingly extends to the outer sides of the first supporting plate and the second supporting plate along the radial direction of the annular turntable.
2. In the above scheme, a cylinder is installed on the support and located outside the first support plate and the second support plate, a push block is installed on a piston rod of the cylinder, a connecting through hole which penetrates up and down is formed in the push block and located between the two rotary connecting rods, a mounting hole is formed in one end, far away from the annular rotary disc, of each rotary connecting rod, a vertically arranged movable column penetrates through the connecting through hole, and two ends of the movable column are respectively installed in the mounting holes on the rotary connecting rods through bearings.
3. In the above scheme, the connecting through hole is a strip-shaped through hole distributed along the direction of the piston rod of the vertical cylinder, and the movable column is in sliding fit with the inner wall of the connecting through hole.
4. In the above scheme, when the piston rod of the air cylinder is in a contracted state, the annular turntable is in the second position, and when the piston rod of the air cylinder is in an extended state, the annular turntable which can rotate along with the rotary connecting rod is in the first position.
5. In the above scheme, the support includes two vertical setting's riser, the both ends of first backup pad, second backup pad respectively with one the riser is connected, the lower extreme of riser is installed on the board.
6. In the above scheme, a plurality of strip-shaped grooves corresponding to the forming punch heads are formed in the outer wall of the mandrel at intervals along the circumferential direction, and each strip-shaped groove extends along the axial direction of the mandrel.
7. In the above scheme, one end of the thin-wall pipe is provided with a flanging part which is inwards along the radial direction of the thin-wall pipe, the flanging part is overlapped with the upper end face of the core shaft which is vertically arranged, and the other end of the thin-wall pipe is arranged at intervals with the upper surface of the fixing seat.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the invention relates to a high-precision processing device for medical parts, which is characterized in that an annular rotary table is rotatably arranged on the outer side of a base, a through hole is formed in the center of the base, a plurality of guide through holes extending outwards along the radial direction of a thin-wall pipe are formed in the inner wall of the through hole at equal intervals along the circumferential direction, a forming punch head is movably penetrated in each guide through hole, a plurality of cam parts corresponding to the forming punch heads are arranged on the inner wall of the annular rotary table at equal intervals along the circumferential direction, when the rotatable annular rotary table is positioned at a first position, the cam parts on the annular rotary table are in pushing contact with one end of the forming punch head, and the other end of the forming punch head is in abutting contact with the outer wall of the thin-wall pipe penetrating into the through hole, so that one-time bulge forming operation on a plurality of positions on the wall of the thin-wall pipe is realized, the processing precision is improved, the absolute position and relative position precision of a plurality of bulge positions in the circumferential direction and the axial direction can be ensured, and the processing consistency among a plurality of bulges on the same pipe body and among different pipe bodies can be improved.
2. The invention relates to a high-precision processing device for medical parts, which is characterized in that one end of a forming punch in a guide through hole, which is far away from a thin-wall pipe, is provided with a flange part which is outwards along the radial direction, the guide through hole comprises a guide section close to the thin-wall pipe and a containing section with the inner diameter larger than that of the guide section, the flange part of the forming punch is positioned in the containing section of the guide through hole, an elastic piece is sleeved on the forming punch and positioned between the flange part of the forming punch and the guide section of the guide through hole, when a rotatable annular turntable is positioned at a first position, a cam part on the annular turntable is in pushing contact with one end of the forming punch and enables the elastic piece to be in an extrusion state, when the annular turntable rotates to a second position, the cam part on the annular turntable is far away from one end of the forming punch and the elastic piece is in a relaxation state, the other end of the forming punch and the outer wall of the thin-wall pipe are arranged at intervals, so that the force of the forming punch on the thin-wall pipe can be elastically buffered, the excessive force of the forming punch on the thin-wall pipe is prevented, the bump forming effect is ensured, and after the multi-point bulge forming operation is finished, the forming punch is automatically retracted from the processed to the thin-wall pipe, and the blanking operation is convenient.
3. According to the high-precision processing device for the medical parts, one end of the rotary connecting rod is connected with the annular rotary table, the air cylinder is arranged on the bracket, the push block is arranged on the piston rod of the air cylinder, the connecting through holes which are vertically communicated are formed in the push block between the two rotary connecting rods, the connecting through holes are strip-shaped through holes which are distributed along the direction vertical to the piston rod of the air cylinder, one end of each rotary connecting rod, which is far away from the annular rotary table, is provided with the mounting hole, a vertically arranged movable column penetrates through the connecting through holes and is in sliding fit with the inner wall of the connecting through hole, and two ends of the movable column are respectively arranged in the mounting holes arranged on the rotary connecting rods through bearings, so that synchronous rotation of the two annular rotary tables is realized by driving one air cylinder at the same time, multi-point embossing processing on two axial positions on a thin-wall pipe is realized, processing efficiency is improved, and consistency among a plurality of salient points obtained by one-time processing is also improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-precision processing device for medical parts of the invention;
FIG. 2 is an enlarged view of the invention at A of FIG. 1;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is an exploded view of a part of the high precision machining apparatus for medical parts of the present invention;
fig. 5 is a partial sectional elevation view of a high-precision machining apparatus for medical parts according to the present invention.
In the above figures: 1. a thin-walled tube; 101. a burring part; 2. a machine table; 3. a fixing seat; 4. a bracket; 41. a vertical plate; 51. a first support plate; 52. a second support plate; 6. a base; 7. an annular turntable; 8. a through hole; 9. a mandrel; 91. a bar-shaped groove; 10. a guide through hole; 111. a guide section; 112. a receiving section; 12. forming a punch; 121. a flange portion; 13. a cam section; 14. an elastic member; 15. a rotary connecting rod; 16. a cylinder; 17. a pushing block; 18. a connecting through hole; 19. a mounting hole; 20. a movable column; 21. and a cover plate.
Detailed Description
In the description of this patent, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in this patent will be understood by those of ordinary skill in the art in a specific context.
Example 1: a high-precision machining device for medical parts for machining a thin-walled tube 1, comprising: the machine comprises a machine table 2, a fixed seat 3 and a bracket 4, wherein the fixed seat 3 is arranged on the upper surface of the machine table 2, a first supporting plate 51 and a second supporting plate 52 are arranged on the bracket 4 and positioned right above the fixed seat 3, a base 6 is arranged on the upper surfaces of the first supporting plate 51 and the second supporting plate 52 which are arranged at intervals in the vertical direction, an annular rotary table 7 is rotatably arranged on the outer side of the base 6, a through hole 8 is formed in the center of the base 6, the other end of a mandrel 9, one end of which is connected with the fixed seat 3, penetrates through the through hole 8, and a thin-wall tube 1 sleeved on the mandrel 9 penetrates through the through hole 8;
a plurality of guide through holes 10 extending outwards along the radial direction of the thin-wall pipe 1 are arranged on the inner wall of the through hole 8 at equal intervals along the circumferential direction, a forming punch 12 is movably penetrated in each guide through hole 10, a plurality of cam parts 13 corresponding to the forming punch 12 are arranged on the inner wall of the annular turntable 7 at equal intervals along the circumferential direction, one end of the forming punch 12 far away from the thin-wall pipe 1 is provided with a flange part 121 outwards along the radial direction, the guide through hole 10 comprises a guide section 111 close to the thin-wall pipe 1 and a containing section 112 with an inner diameter larger than that of the guide section 111, the flange part 121 of the forming punch 12 is positioned in the containing section 112 of the guide through hole 10, and an elastic piece 14 is sleeved on the forming punch 12 and positioned between the flange part 121 of the forming punch 12 and the guide section 111 of the guide through hole 10;
when the rotatable annular turntable 7 is in the first position, the cam part 13 on the annular turntable 7 is in pushing contact with one end of the forming punch 12 and enables the elastic piece 14 to be in a pressing state, the other end of the forming punch 12 is in abutting contact with the outer wall of the thin-wall tube 1 penetrating into the through hole 8, and when the annular turntable 7 is rotated to the second position, the cam part 13 on the annular turntable 7 is far away from one end of the forming punch 12 and the elastic piece 14 is in a diastole state, and the other end of the forming punch 12 is arranged at intervals with the outer wall of the thin-wall tube 1.
One end of a rotary link 15 is connected to the annular turntable 7, and the other end of the rotary link 15 extends to the outside of the first support plate 51 and the second support plate 52 along the radial direction of the annular turntable 7.
An air cylinder 16 is mounted on the bracket 4 and located outside the first support plate 51 and the second support plate 52, a push block 17 is mounted on a piston rod of the air cylinder 16, a connecting through hole 18 penetrating up and down is formed in the push block 17 located between the two rotary connecting rods 15, a mounting hole 19 is formed in one end, away from the annular rotary disc 7, of each rotary connecting rod 15, a vertically arranged movable column 20 penetrates through the connecting through hole 18, and two ends of the movable column 20 are respectively mounted in the mounting holes 19 on the rotary connecting rods 15 through bearings.
Each annular turntable 7 is connected with the first support plate 51 or the second support plate 52 in a matched manner through a plurality of groups of guide grooves and guide columns;
the connecting through holes 18 are bar-shaped through holes distributed along the direction perpendicular to the piston rod of the air cylinder 16, and the movable posts 20 are in sliding fit with the inner walls of the connecting through holes 18.
The annular turntable 7 is in the second position when the piston rod of the cylinder 16 is in the contracted state, and the annular turntable 7 rotatable with the rotary link 15 is in the first position when the piston rod of the cylinder 16 is in the extended state.
A plurality of strip-shaped grooves 91 corresponding to the forming punches 12 are circumferentially arranged on the outer wall of the mandrel 9 at intervals, and each strip-shaped groove 91 extends along the axial direction of the mandrel 9.
One end of the thin-walled tube 1 has a flange portion 101 radially inward thereof, the flange portion 101 is overlapped with an upper end surface of the vertically disposed mandrel 9, and the other end of the thin-walled tube 1 is disposed at an interval from an upper surface of the fixing base 3.
The upper surfaces of the base 6 and the annular turntable 7 are provided with a cover plate 21.
Example 2: a high-precision machining device for medical parts for machining a thin-walled tube 1, comprising: the machine comprises a machine table 2, a fixed seat 3 and a bracket 4, wherein the fixed seat 3 is arranged on the upper surface of the machine table 2, a first supporting plate 51 and a second supporting plate 52 are arranged on the bracket 4 and positioned right above the fixed seat 3, a base 6 is arranged on the upper surfaces of the first supporting plate 51 and the second supporting plate 52 which are arranged at intervals in the vertical direction, an annular rotary table 7 is rotatably arranged on the outer side of the base 6, a through hole 8 is formed in the center of the base 6, the other end of a mandrel 9, one end of which is connected with the fixed seat 3, penetrates through the through hole 8, and a thin-wall tube 1 sleeved on the mandrel 9 penetrates through the through hole 8;
a plurality of guide through holes 10 extending outwards along the radial direction of the thin-wall pipe 1 are arranged on the inner wall of the through hole 8 at equal intervals along the circumferential direction, a forming punch 12 is movably penetrated in each guide through hole 10, a plurality of cam parts 13 corresponding to the forming punch 12 are arranged on the inner wall of the annular turntable 7 at equal intervals along the circumferential direction, one end of the forming punch 12 far away from the thin-wall pipe 1 is provided with a flange part 121 outwards along the radial direction, the guide through hole 10 comprises a guide section 111 close to the thin-wall pipe 1 and a containing section 112 with an inner diameter larger than that of the guide section 111, the flange part 121 of the forming punch 12 is positioned in the containing section 112 of the guide through hole 10, and an elastic piece 14 is sleeved on the forming punch 12 and positioned between the flange part 121 of the forming punch 12 and the guide section 111 of the guide through hole 10;
when the rotatable annular turntable 7 is in the first position, the cam part 13 on the annular turntable 7 is in pushing contact with one end of the forming punch 12 and enables the elastic piece 14 to be in a pressing state, the other end of the forming punch 12 is in abutting contact with the outer wall of the thin-wall tube 1 penetrating into the through hole 8, and when the annular turntable 7 is rotated to the second position, the cam part 13 on the annular turntable 7 is far away from one end of the forming punch 12 and the elastic piece 14 is in a diastole state, and the other end of the forming punch 12 is arranged at intervals with the outer wall of the thin-wall tube 1.
One end of a rotary link 15 is connected to the annular turntable 7, and the other end of the rotary link 15 extends to the outside of the first support plate 51 and the second support plate 52 along the radial direction of the annular turntable 7.
An air cylinder 16 is mounted on the bracket 4 and located outside the first support plate 51 and the second support plate 52, a push block 17 is mounted on a piston rod of the air cylinder 16, a connecting through hole 18 penetrating up and down is formed in the push block 17 located between the two rotary connecting rods 15, a mounting hole 19 is formed in one end, away from the annular rotary disc 7, of each rotary connecting rod 15, a vertically arranged movable column 20 penetrates through the connecting through hole 18, and two ends of the movable column 20 are respectively mounted in the mounting holes 19 on the rotary connecting rods 15 through bearings.
The connecting through holes 18 are bar-shaped through holes distributed along the direction perpendicular to the piston rod of the air cylinder 16, and the movable posts 20 are in sliding fit with the inner walls of the connecting through holes 18.
The annular turntable 7 is in the second position when the piston rod of the cylinder 16 is in the contracted state, and the annular turntable 7 rotatable with the rotary link 15 is in the first position when the piston rod of the cylinder 16 is in the extended state.
The stand 4 includes two upright plates 41 arranged vertically, two ends of the first support plate 51 and the second support plate 52 are respectively connected to one of the upright plates 41, and a lower end of the upright plate 41 is mounted on the machine 2.
The upper surfaces of the base 6 and the annular turntable 7 are provided with a cover plate 21.
The surface of the cam portion 13 facing the forming punch 12 is an arc surface.
An arc-shaped transition area is formed between the cam part 13 and the inner wall of the annular turntable 7.
The thin-walled tube 1 for an endoscope has a diameter of 4.5mm, a wall thickness of 0.2mm and a length of 10cm.
When the high-precision processing device for the medical part is adopted, the working principle is as follows: when the piston rod of the air cylinder 16 is in a contracted state and the annular turntable 7 is in a second position, the thin-wall pipe 1 is sleeved on the mandrel 9, so that the flanging part 101 of the thin-wall pipe 1 is overlapped with the upper end surface of the mandrel 9;
the cylinder 16 drives the piston rod to an elongation state, and the 2 annular turntables 7 which can rotate along with the rotary connecting rod 15 synchronously rotate to respective first positions, at the moment, the cam part 13 on the annular turntables 7 is in pushing contact with one end of the forming punch 12 and enables the elastic piece 14 to be in an extrusion state, the other end of the forming punch 12 is in abutting contact with the outer wall of the thin-wall tube 1 penetrating into the through hole 8, so that the bulge of the thin-wall tube 1 is realized, and the axial 2 positions of the thin-wall tube 1 are realized at one time, and each position is in multipoint bulge forming in the circumferential direction;
the cylinder 16 drives the piston rods to a contracted state, the 2 annular turntables 7 synchronously rotate back to respective second positions, at the moment, the cam part 13 on the annular turntables 7 is far away from one end of the forming punch 12, the elastic piece 14 is in a relaxed state, and the other end of the forming punch 12 under the action of the elastic piece 14 is arranged at intervals with the outer wall of the thin-wall tube 1;
an annular rotary table is rotatably arranged on the outer side of a base, a through hole is formed in the center of the base, a plurality of guide through holes extending outwards along the radial direction of a thin-wall pipe are formed in the inner wall of the through hole at equal intervals along the circumferential direction, a forming punch is movably arranged in each guide through hole in a penetrating mode, a plurality of cam parts corresponding to the forming punch are arranged on the inner wall of the annular rotary table at equal intervals along the circumferential direction, when the rotatable annular rotary table is positioned at a first position, the cam parts on the annular rotary table are in pushing contact with one end of the forming punch, the other end of the forming punch is in abutting contact with the outer wall of the thin-wall pipe penetrating into the through hole, one-time protruding operation of a plurality of positions on the wall of the thin-wall pipe is achieved, machining precision is improved, absolute position and relative position precision of a plurality of protruding positions in the circumferential direction and the axial direction can be guaranteed, and machining consistency among a plurality of protruding points on the same pipe body and among protruding points on different pipe bodies can be improved;
the forming punch in the guide through hole is further provided with a flange part which is radially outwards arranged at one end far away from the thin-wall pipe, the guide through hole comprises a guide section close to the thin-wall pipe and a containing section with an inner diameter larger than that of the guide section, the flange part of the forming punch is arranged in the containing section of the guide through hole, an elastic piece is sleeved on the forming punch and is positioned between the flange part of the forming punch and the guide section of the guide through hole, when the rotatable annular turntable is positioned at a first position, a cam part on the annular turntable is in pushing contact with one end of the forming punch and enables the elastic piece to be in an extrusion state, when the annular turntable rotates to a second position, the cam part on the annular turntable is far away from one end of the forming punch and the elastic piece is in a relaxation state, the other end of the forming punch and the outer wall of the thin-wall pipe are arranged at intervals, so that the force of the forming punch on the thin-wall pipe can be prevented from being instantaneously acted on the forming punch, the convex point forming effect is ensured, and after one-time multi-point embossing operation is finished, the forming punch is automatically retracted from the processed thin-wall pipe, and the blanking and the feeding operation is convenient;
still, one end and the annular carousel of a rotatory connecting rod are connected, install a cylinder on the support, install a ejector pad on the piston rod of cylinder, open on the ejector pad between two rotatory connecting rods and have a connecting hole that link up from top to bottom, connecting hole is the bar through-hole that distributes along perpendicular cylinder piston rod direction, and one end that every rotatory connecting rod kept away from annular carousel is opened has a mounting hole, and a movable column of vertical setting passes connecting hole and with the inner wall sliding fit of connecting hole, in the both ends of movable column respectively pass through the bearing with install the mounting hole on rotatory connecting rod, realized that a cylinder drives the synchronous rotation of two annular carousels simultaneously, both realized protruding processing of multiple spot to two axial positions department on the thin wall pipe, improved machining efficiency, improved the uniformity between a plurality of bumps that once processing obtained again.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. A high precision machining device for medical parts, for machining thin-walled tubes (1), comprising: the machine comprises a machine table (2), a fixing seat (3) and a bracket (4), wherein the fixing seat (3) and the bracket (4) are arranged on the machine table (2), and the fixing seat (3) is arranged on the upper surface of the machine table (2), and is characterized in that: a first supporting plate (51) and a second supporting plate (52) are arranged on the support (4) and right above the fixed seat (3), a base (6) is arranged on the upper surfaces of the first supporting plate (51) and the second supporting plate (52) which are arranged at intervals in the vertical direction, an annular rotary table (7) is rotatably arranged on the outer side of the base (6), a through hole (8) is formed in the center of the base (6), the other end of a mandrel (9) with one end connected with the fixed seat (3) penetrates through the through hole (8), and a thin-wall tube (1) sleeved on the mandrel (9) penetrates through the through hole (8);
a plurality of guide through holes (10) extending outwards along the radial direction of the thin-wall pipe (1) are arranged on the inner wall of the through hole (8) at equal intervals along the circumferential direction, a forming punch head (12) is movably penetrated in each guide through hole (10), a plurality of cam parts (13) corresponding to the forming punch head (12) are arranged on the inner wall of the annular rotary table (7) at equal intervals along the circumferential direction, one end of the forming punch head (12) far away from the thin-wall pipe (1) is provided with a flange part (121) which is outwards along the radial direction, the guide through hole (10) comprises a guide section (111) close to the thin-wall pipe (1) and a containing section (112) with the inner diameter larger than that of the guide section (111), the flange part (121) of the forming punch head (12) is positioned in the containing section (112) of the guide through hole (10), and an elastic piece (14) is sleeved on the forming punch head (12) and positioned between the flange part (121) of the forming punch head (12) and the guide section (111) of the guide through hole (10);
when the rotatable annular rotary table (7) is in a first position, a cam part (13) on the annular rotary table (7) is in pushing contact with one end of a forming punch (12) and enables the elastic piece (14) to be in an extrusion state, the other end of the forming punch (12) is in propping contact with the outer wall of the thin-wall tube (1) penetrating into the through hole (8), and when the annular rotary table (7) rotates to a second position, the cam part (13) on the annular rotary table (7) is far away from one end of the forming punch (12) and the elastic piece (14) is in a relaxation state, and the other end of the forming punch (12) is arranged at intervals with the outer wall of the thin-wall tube (1).
2. The high-precision machining apparatus for medical parts according to claim 1, wherein: one end of a rotary connecting rod (15) is connected with the annular turntable (7), and the other end of the rotary connecting rod (15) correspondingly extends to the outer sides of the first supporting plate (51) and the second supporting plate (52) along the radial direction of the annular turntable (7).
3. The high-precision machining apparatus for medical parts according to claim 2, wherein: an air cylinder (16) is arranged on the support (4) and located outside the first support plate (51) and the second support plate (52), a push block (17) is arranged on a piston rod of the air cylinder (16), a connecting through hole (18) which penetrates through up and down is formed in the push block (17) between two rotary connecting rods (15), a mounting hole (19) is formed in one end, far away from the annular rotary disc (7), of each rotary connecting rod (15), a movable column (20) which is vertically arranged penetrates through the connecting through hole (18) and two ends of the movable column (20) are respectively arranged in the mounting hole (19) on the rotary connecting rod (15) through bearings.
4. A high-precision machining apparatus for medical parts according to claim 3, wherein: the connecting through holes (18) are strip-shaped through holes distributed along the direction perpendicular to the piston rod of the air cylinder (16), and the movable columns (20) are in sliding fit with the inner walls of the connecting through holes (18).
5. The high-precision machining apparatus for medical parts according to claim 4, wherein: when the piston rod of the air cylinder (16) is in a contracted state, the annular turntable (7) is in a second position, and when the piston rod of the air cylinder (16) is in an extended state, the annular turntable (7) which can rotate along with the rotary connecting rod (15) is in a first position.
6. The high-precision machining device for medical parts according to any one of claims 1 to 5, characterized in that: the support (4) comprises two vertical plates (41) which are vertically arranged, two ends of the first support plate (51) and the second support plate (52) are respectively connected with one vertical plate (41), and the lower end of each vertical plate (41) is arranged on the machine table (2).
7. The high-precision machining device for medical parts according to any one of claims 1 to 5, characterized in that: a plurality of strip-shaped grooves (91) corresponding to the forming punches (12) are formed in the outer wall of the mandrel (9) at intervals along the circumferential direction, and each strip-shaped groove (91) extends along the axial direction of the mandrel (9).
8. The high-precision machining device for medical parts according to any one of claims 1 to 5, characterized in that: one end of the thin-wall pipe (1) is provided with a flanging part (101) which is inwards along the radial direction of the thin-wall pipe, the flanging part (101) is overlapped with the upper end face of the mandrel (9) which is vertically arranged, and the other end of the thin-wall pipe (1) is arranged at intervals with the upper surface of the fixing seat (3).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210271959.3A CN114632856B (en) | 2022-03-18 | 2022-03-18 | High-precision processing device for medical parts |
| CN202311022805.1A CN116984459A (en) | 2022-03-18 | 2022-03-18 | Medical mirror tube embossing processing equipment |
| CN202310877273.3A CN116871374A (en) | 2022-03-18 | 2022-03-18 | Radial bulge device of thin-wall round tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210271959.3A CN114632856B (en) | 2022-03-18 | 2022-03-18 | High-precision processing device for medical parts |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311022805.1A Division CN116984459A (en) | 2022-03-18 | 2022-03-18 | Medical mirror tube embossing processing equipment |
| CN202310877273.3A Division CN116871374A (en) | 2022-03-18 | 2022-03-18 | Radial bulge device of thin-wall round tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114632856A CN114632856A (en) | 2022-06-17 |
| CN114632856B true CN114632856B (en) | 2023-08-29 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310877273.3A Pending CN116871374A (en) | 2022-03-18 | 2022-03-18 | Radial bulge device of thin-wall round tube |
| CN202311022805.1A Pending CN116984459A (en) | 2022-03-18 | 2022-03-18 | Medical mirror tube embossing processing equipment |
| CN202210271959.3A Active CN114632856B (en) | 2022-03-18 | 2022-03-18 | High-precision processing device for medical parts |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310877273.3A Pending CN116871374A (en) | 2022-03-18 | 2022-03-18 | Radial bulge device of thin-wall round tube |
| CN202311022805.1A Pending CN116984459A (en) | 2022-03-18 | 2022-03-18 | Medical mirror tube embossing processing equipment |
Country Status (1)
| Country | Link |
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| CN (3) | CN116871374A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH266942A (en) * | 1942-06-04 | 1950-02-28 | Automatic Die And Products Com | Method and machine for the manufacture of thin-walled tubular shaped objects. |
| CA2104826A1 (en) * | 1992-09-15 | 1994-03-16 | Ralph E. Roper | Apparatus and method for forming and hydropiercing a tubular frame member |
| JPH10193000A (en) * | 1997-01-08 | 1998-07-28 | Hitachi Ltd | Device for burring tube |
| JP2001300651A (en) * | 2000-04-28 | 2001-10-30 | Asahi-Seiki Mfg Co Ltd | Piercing apparatus for cylindrical work |
| CN101264495A (en) * | 2007-03-12 | 2008-09-17 | 伍享工业股份有限公司 | High-tension metal plate shaping manufacturing method and the punching equipment |
| CN103801606A (en) * | 2014-02-11 | 2014-05-21 | 罗信精密零件(上海)有限公司 | Full-automatic oil pipe joint extrusion device |
| CN206854432U (en) * | 2017-07-04 | 2018-01-09 | 中国扬子集团滁州扬子空调器有限公司 | The outer salient point processing unit (plant) of copper tube |
-
2022
- 2022-03-18 CN CN202310877273.3A patent/CN116871374A/en active Pending
- 2022-03-18 CN CN202311022805.1A patent/CN116984459A/en active Pending
- 2022-03-18 CN CN202210271959.3A patent/CN114632856B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH266942A (en) * | 1942-06-04 | 1950-02-28 | Automatic Die And Products Com | Method and machine for the manufacture of thin-walled tubular shaped objects. |
| CA2104826A1 (en) * | 1992-09-15 | 1994-03-16 | Ralph E. Roper | Apparatus and method for forming and hydropiercing a tubular frame member |
| JPH10193000A (en) * | 1997-01-08 | 1998-07-28 | Hitachi Ltd | Device for burring tube |
| JP2001300651A (en) * | 2000-04-28 | 2001-10-30 | Asahi-Seiki Mfg Co Ltd | Piercing apparatus for cylindrical work |
| CN101264495A (en) * | 2007-03-12 | 2008-09-17 | 伍享工业股份有限公司 | High-tension metal plate shaping manufacturing method and the punching equipment |
| CN103801606A (en) * | 2014-02-11 | 2014-05-21 | 罗信精密零件(上海)有限公司 | Full-automatic oil pipe joint extrusion device |
| CN206854432U (en) * | 2017-07-04 | 2018-01-09 | 中国扬子集团滁州扬子空调器有限公司 | The outer salient point processing unit (plant) of copper tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116984459A (en) | 2023-11-03 |
| CN116871374A (en) | 2023-10-13 |
| CN114632856A (en) | 2022-06-17 |
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