CN114603296A - Medical open type linear anastomosis instrument welding tool - Google Patents
Medical open type linear anastomosis instrument welding tool Download PDFInfo
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- CN114603296A CN114603296A CN202011449688.3A CN202011449688A CN114603296A CN 114603296 A CN114603296 A CN 114603296A CN 202011449688 A CN202011449688 A CN 202011449688A CN 114603296 A CN114603296 A CN 114603296A
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- nail box
- box arm
- block
- supporting seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention discloses a medical open type linear anastomosis instrument welding tool, wherein a nail box arm comprises two side plates which are symmetrically arranged in parallel and a top plate connected between the upper end surfaces of the two side plates, the tool comprises a base plate and a supporting seat arranged on the upper surface of the base plate, the supporting seat is embedded between the two side plates of the nail box arm and is contacted with the lower surface of the top plate of the nail box arm, a pin groove part is welded and connected on the top plate of the nail box arm so as to form a pin groove, and the pin groove part comprises an arc part and a plane part, wherein the arc part is used for enclosing the pin groove with the top plate of the nail box arm, and the plane part is contacted with the surface of the top plate of the nail box arm; the two sides of the supporting seat are respectively provided with a movable block, the middle part of the pin shaft is embedded into the arc part of the pin groove piece, and the two ends of the pin shaft are respectively arranged in the grooves on the movable blocks. The medical open type linear anastomosis instrument welding tool realizes clamping of the nail box arm and the pin groove piece, can also accurately position the pin groove piece with smaller size at a special position of the nail box arm, and ensures the welding precision between the nail box arm and the pin groove piece while facilitating welding.
Description
Technical Field
The invention relates to a medical open type linear anastomosis instrument welding tool, and belongs to the technical field of medical instrument processing.
Background
The cutting and suturing instrument is a medical instrument widely used in surgical operations, has two functions of suturing and cutting, and can cut off redundant tissues while suturing wounds. The instrument is simple and convenient to operate, has a good operation effect, and can greatly reduce the pain of the operation patient, so that the instrument obtains the consistent first promise of vast surgeons.
In surgical operation, the medical endoscopic cutting anastomat becomes an essential auxiliary medical instrument in the process of suturing human tissues. With the development of medicine and product research and development, more and more multifunctional staple products are applied to clinic, and the application range of the multifunctional staple products relates to various fields of gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urology surgery, gynecology and the like, and becomes one of the essential tools for doctors. The application of the endoscopic cutting anastomat has the advantages of less bleeding in the operation, shorter operation time, capability of reducing manual operation errors, infection avoidance, quick postoperative function recovery and the like.
The endoscopic cutting anastomat comprises a nail box assembly and an anastomat sewing and cutting assembly, wherein the nail box assembly comprises a nail box inner core upper cover, a nail box inner core lower cover, a triggering safety device and a nail box shell, the nail box inner core upper cover, the nail box inner core lower cover, the triggering safety device and the nail box shell provide very critical functions for cutting, sewing and protecting the anastomat sewing and cutting assembly before triggering, the nail box inner core upper cover and the nail box inner core lower cover are assembled and matched to provide guiding functions for advancing and withdrawing the cutter assembly, the triggering safety device provides a protecting function, and triggering errors of the cutter assembly before the nail box assembly and the anastomat sewing and cutting assembly are assembled in place are prevented.
Disclosure of Invention
The invention aims to provide a medical open type linear anastomosis instrument welding tool which realizes clamping of a nail box arm and a pin groove piece, and meanwhile realizes accurate positioning of the pin groove piece with smaller size at a special position of the nail box arm, and ensures welding precision between the nail box arm and the pin groove piece while facilitating welding.
In order to achieve the purpose, the invention adopts the technical scheme that: a medical open type linear anastomosis instrument welding tool comprises a nail box arm of a linear anastomosis instrument and a nail box arm, wherein the nail box arm comprises two side plates which are symmetrically arranged in parallel and a top plate connected between the upper end faces of the two side plates;
two movable blocks are respectively arranged on two sides of the supporting seat, the two movable blocks are oppositely arranged, and the movable blocks are close to the inner end face of the supporting seat and are used for being in contact with the side plate face of the nail box arm arranged on the supporting seat;
a groove for embedding a pin shaft is formed in the top surface of each of the two movable blocks, which is close to one end of the support seat, the middle part of the pin shaft is embedded into the arc-shaped part of the pin groove piece, and the two ends of the pin shaft are respectively embedded into the grooves in the movable blocks, so that the pin groove piece is placed on the nail box arm top plate between the two movable blocks;
a movable plate with a pressure head at the lower end is arranged above the pin-slot part and can move along the up-down direction, and when the movable plate moves downwards, the pressure head is in pressing contact with the plane part of the pin-slot part;
the lower end of the movable block is provided with a strip-shaped track part with an isosceles trapezoid cross section, the base plate is provided with strip-shaped guide grooves matched with the strip-shaped track part, the two strip-shaped guide grooves are both arranged perpendicular to the supporting seat, and the strip-shaped track part of the movable block is embedded into the strip-shaped guide grooves and can slide along the direction perpendicular to the supporting seat;
an elastic piece is connected between the end face of one end, away from the supporting seat, of the movable block and a driving block, the lower portion, away from the elastic piece, of the driving block is connected with a bidirectional cylinder, a right-angle hook body is fixed to the upper portion of the driving block, a groove body portion for the right-angle hook body to be embedded into is formed in the movable block, the hook body portion of the right-angle hook body is embedded into the groove body portion of the movable block and can move in the groove body portion along the direction perpendicular to the supporting seat, and one end, opposite to the hook body portion, of the right-angle hook body is connected with the driving block;
the nail box arm comprises a base plate, a nail box arm and a nail box arm, wherein a notch is formed in two side plates at one end of the nail box arm, a bolt capable of being embedded into the notch of the nail box arm is arranged on the base plate, a first limiting seat is arranged on the outer side of one end of the nail box arm with the notch, two first telescopic blocks corresponding to the two side plates of the nail box arm are installed in the first limiting seat at intervals, one end of each first telescopic block is embedded into the first limiting seat and connected with the first limiting seat through a first spring, and the other end of each first telescopic block extends out of the first limiting seat and is in extrusion contact with the end face of the side plate of the nail box arm;
two second limiting seats are arranged on the substrate on the same side of the supporting seat at intervals, the two second limiting seats are respectively arranged at two ends of the supporting seat, at least two second telescopic blocks are arranged in the second limiting seats at intervals, one ends of the second telescopic blocks are embedded into the second limiting seats and connected with the second limiting seats through a second spring, and the other ends of the second telescopic blocks extend out of the first limiting seats and are in extrusion contact with the outer surfaces of the nail box arm side plates;
one end of the movable block, which is close to the supporting seat, is provided with a mounting groove which is arranged along the vertical direction, an elastic supporting block which can move along the vertical direction is embedded in the mounting groove, and the top surface of the elastic supporting block is a concave arc surface which can be matched with the pin shaft.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, a third spring is connected between the bottom surface of the elastic supporting block and the mounting groove.
2. In the above scheme, the elastic supporting block and the movable block are connected in a matching way through a strip-shaped through hole arranged on the elastic supporting block and a supporting shaft penetrating through the strip-shaped through hole, and two ends of the supporting shaft are respectively embedded into the movable block.
3. In the scheme, the base plate between the supporting seat and the movable block is provided with the stop strip for limiting the stroke of the movable block.
4. In the above scheme, two first flexible piece, the flexible piece of second are located the first spacing seat, the spacing one end in the second of the first flexible piece is connected through a connecting strip respectively.
5. In the above scheme, a guide block is arranged between the two first telescopic blocks and the two second telescopic blocks which are arranged at intervals.
6. In the above scheme, a bidirectional cylinder is installed on the lower surface of the substrate, and a piston rod of the bidirectional cylinder is respectively connected with the two movable blocks and used for driving the movable blocks to reciprocate in the direction perpendicular to the supporting seat.
7. In the scheme, a cylinder frame is arranged on the side surface of the base plate, and a cylinder arranged on the cylinder frame is connected with the movable plate and used for driving the movable plate to move up and down.
8. In the above scheme, the substrate is mounted on a four-axis driving mechanism.
9. In the above scheme, the diameter of the pin shaft is slightly larger than that of the arc-shaped part of the pin groove part.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the medical open type linear anastomosis instrument welding tool realizes clamping of the nail box arm and the pin groove piece, and simultaneously realizes accurate positioning of the pin groove piece with smaller size at a special position of the nail box arm, so that welding is facilitated and welding precision between the nail box arm and the pin groove piece is guaranteed; in addition, the lower end of the movable block is provided with a strip-shaped rail part with an isosceles trapezoid cross section, the base plate is provided with strip-shaped guide grooves matched with the strip-shaped rail part, the two strip-shaped guide grooves are arranged perpendicular to the supporting seat, the strip-shaped rail part of the movable block is embedded into the strip-shaped guide grooves and can slide along the direction perpendicular to the supporting seat, and through the matching arrangement of the dovetail groove and the rail, the moving straightness of the movable block is improved, the movable block is guaranteed to vertically apply force to the side plate of the nail box arm, and welding position deviation caused by inclination of the nail box arm is avoided; further, be connected with an elastic component between the terminal surface that the supporting seat was kept away from to its movable block and a drive disk, the lower part that the elastic component was kept away from to the drive disk is connected with a duplex cylinder, the upper portion of drive disk is fixed with a right angle coupler body, it has a confession to open on the movable block the cell body portion of right angle coupler body embedding, the coupler body portion embedding groove body portion of right angle coupler body to can remove along the direction of perpendicular to supporting seat in groove body portion, the right angle coupler body is connected with the drive disk back to the one end of coupler body portion, through the setting of elastic component cooperation right angle coupler body, groove body portion structure, can effectively avoid on conducting the movable block with the position skew error in the cylinder installation to further guarantee the straightness application of force of straightness that hangs down of movable block to nail casket arm, with preventing the skew of nail casket arm, improve welded position precision.
2. The invention discloses a medical open type linear anastomosis instrument welding tool, wherein a first limiting seat is arranged on the outer side of one end of a nail box arm with a notch, two first telescopic blocks corresponding to two side plates of the nail box arm are installed in the first limiting seat at intervals, one end of each first telescopic block is embedded into the first limiting seat and is connected with the first limiting seat through a first spring, the other end of each first telescopic block extends out of the first limiting seat and is in extrusion contact with the end surface of the nail box arm side plate, and the nail box arm is limited in the horizontal direction and cannot be damaged through the matching of the telescopic blocks and a bolt with the notch in the nail box arm side plate, so that the consistency of the welding position in the direction is ensured, and the welding precision is improved; furthermore, two second limiting seats are arranged on the substrate which is positioned on the same side of the supporting seat at intervals, the two second limiting seats are respectively positioned at two ends of the supporting seat, at least two second telescopic blocks are arranged in the second limiting seats at intervals, one ends of the second telescopic blocks are embedded into the second limiting seats and are connected with the second limiting seats through a second spring, the other ends of the second telescopic blocks extend out of the first limiting seats and are in extrusion contact with the outer surface of the nail box arm side plate, through the two groups of telescopic blocks which are arranged at intervals, the nail box arm is elastically limited in the vertical direction and cannot be damaged, and the situation that the nail box arm is deviated due to uneven stress can be effectively avoided, so that the welding position is deviated, and the welding precision is improved; in addition, one ends of the two first telescopic blocks and the two second telescopic blocks, which are respectively positioned in the first limiting seat and the second limiting seat, are connected through a connecting strip, a guide block is arranged between the two first telescopic blocks and the two second telescopic blocks which are arranged at intervals, and the connecting strip and the guide block are arranged, so that the straightness of the acting force of the telescopic blocks on the side plate of the nail box arm is further ensured, the nail box arm is prevented from deviating, and the welding position precision is ensured.
3. The invention discloses a medical open type linear anastomosis instrument welding tool, wherein one end of a movable block, which is close to a supporting seat, is provided with a mounting groove which is arranged along the vertical direction, an elastic supporting block which can move along the vertical direction is embedded in the mounting groove, the top surface of the elastic supporting block is a concave arc surface which can be matched with a pin shaft, and the concave arc surface on the elastic supporting block provides elastic support for the pin shaft provided with a pin groove piece, so that the pin groove piece is prevented from being damaged due to overlarge acting force of a pressure head, the pin groove piece can be prevented from being deflected due to instant stress, and the welding precision between the pin groove piece and a nail box arm is further ensured.
Drawings
FIG. 1 is a schematic structural diagram of a welding tool of an open type medical linear anastomosis instrument;
fig. 2 is a schematic partial structure diagram i of the welding tool for the medical open type linear anastomosis instrument according to the present invention;
FIG. 3 is a schematic view of a partial structure of a welding tool of the medical open type linear anastomosis instrument according to the second embodiment of the present invention;
FIG. 4 is a schematic view of a part of a structure of a welding tool of the medical open type linear anastomosis instrument;
FIG. 5 is a schematic view of a partial structure of a welding tool of the medical open type linear anastomosis instrument according to the fourth embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of the welding tool of the medical open type linear anastomosis instrument according to the fifth embodiment of the present invention;
FIG. 7 is a partial structural cross-sectional view of the first welding tool of the medical open type linear anastomosis instrument;
FIG. 8 is a partial structural sectional view of a second welding tool of the medical open type linear anastomosis instrument according to the present invention;
fig. 9 is a partial structural sectional view three of the medical open type linear anastomosis instrument welding tool of the present invention.
In the above drawings: 1. a side plate; 2. a top plate; 3. a pin and slot member; 301. an arc-shaped portion; 302. a planar portion; 4. a substrate; 5. a supporting seat; 6. a movable block; 7. a pin shaft; 8. a groove; 9. a pressure head; 10. a movable plate; 11. a bidirectional cylinder; 12. a cylinder frame; 13. a cylinder; 14. a strip-shaped track portion; 15. a strip-shaped guide groove; 16. a drive block; 17. an elastic member; 18. a right-angled hook body; 19. a trough portion; 20. a bolt; 21. a first limiting seat; 22. a first telescopic block; 23. a first spring; 24. a connecting strip; 25. a guide block; 26. a second limiting seat; 27. a second telescopic block; 28. a second spring; 29. a stop strip; 30. mounting grooves; 31. an elastic support block; 32. a third spring; 33. a strip-shaped through hole; 34. and supporting the shaft.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present 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 expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a medical open type linear anastomosis instrument welding tool comprises a nail box arm and a top plate, wherein the nail box arm comprises two side plates 1 which are symmetrically arranged in parallel and a top plate 2 connected between the upper end surfaces of the two side plates 1, the tool comprises a base plate 4 and a supporting seat 5 arranged on the upper surface of the base plate 4, the supporting seat 5 is embedded between the two side plates 1 of the nail box arm and is in contact with the lower surface of the nail box arm top plate 2, a pin groove piece 3 is welded and connected to the top plate 2 of the nail box arm so as to form a pin groove, and the pin groove piece 3 comprises an arc-shaped portion 301 and a plane portion 302, the arc-shaped portion is used for enclosing the pin groove with the nail box arm top plate 2, and the plane portion is in surface contact with the nail box arm top plate 2;
two sides of the supporting seat 5 are respectively provided with a movable block 6, the two movable blocks 6 are oppositely arranged, and the movable blocks 6 are close to the inner end surface of the supporting seat 5 and are used for being in surface contact with the nail box arm side plate 1 arranged on the supporting seat 5;
a groove 8 for embedding a pin shaft 7 is formed in the top surface of each of the two movable blocks 6 close to one end of the support seat 5, the middle part of the pin shaft 7 is embedded into the arc-shaped part 301 of the pin groove part 3, and the two ends of the pin shaft 7 are respectively embedded into the grooves 8 on the movable blocks 6, so that the pin groove part 3 is placed on the nail box arm top plate 2 between the two movable blocks 6;
a movable plate 10 having a pressing head 9 at a lower end thereof is disposed above the pin slot member 3 and is movable in an up-and-down direction, and when the movable plate 10 moves down, the pressing head 9 is in pressing contact with the flat portion 302 of the pin slot member 3;
the lower end of the movable block 6 is provided with a strip-shaped track part 14 with an isosceles trapezoid cross section, the base plate 4 is provided with strip-shaped guide grooves 15 matched with the strip-shaped track part 14, the two strip-shaped guide grooves 15 are both arranged perpendicular to the supporting seat 5, and the strip-shaped track part 14 of the movable block 6 is embedded into the strip-shaped guide grooves 15 and can slide along the direction perpendicular to the supporting seat 5;
an elastic piece 17 is connected between the end face of one end of the movable block 6, which is far away from the supporting seat 5, and a driving block 16, the lower part of the driving block 16, which is far away from the elastic piece 17, is connected with a bidirectional cylinder 11, a right-angled hook 18 is fixed on the upper part of the driving block 16, a groove body part 19, into which the right-angled hook 18 is embedded, is formed on the movable block 6, the hook body part of the right-angled hook 18 is embedded into the groove body part 19 of the movable block 6 and can move in the groove body part 19 along the direction perpendicular to the supporting seat 5, and one end, which is opposite to the hook body part, of the right-angled hook 18 is connected with the driving block 16;
the two side plates 1 at one end of the nail box arm are provided with a notch, the base plate 4 is provided with a bolt 20 which can be embedded into the notch of the nail box arm, the outer side of one end of the nail box arm with the notch is provided with a first limiting seat 21, two first telescopic blocks 22 corresponding to the two side plates 1 of the nail box arm are arranged in the first limiting seat 21 at intervals, one end of each first telescopic block 22 is embedded into the first limiting seat 21 and is connected with the first limiting seat 21 through a first spring 23, and the other end of each first telescopic block 22 extends out of the first limiting seat 21 and is in extrusion contact with the end face of the side plate 1 of the nail box arm;
two second limiting seats 26 are arranged on the substrate 4 at the same side of the supporting seat 5 at intervals, the two second limiting seats 26 are respectively arranged at two ends of the supporting seat 5, at least two second telescopic blocks 27 are arranged in the second limiting seats 26 at intervals, one ends of the second telescopic blocks 27 are embedded into the second limiting seats 26 and connected with the second limiting seats 26 through a second spring 28, and the other ends of the second telescopic blocks 27 extend out of the first limiting seats 21 and are in extrusion contact with the outer surface of the nail box arm side plate 1;
one end of the movable block 6 close to the supporting seat 5 is provided with an installation groove 30 which is arranged along the vertical direction, an elastic supporting block 31 which can move along the vertical direction is embedded in the installation groove 30, and the top surface of the elastic supporting block 31 is a concave arc surface which can be matched with the pin shaft 7.
A third spring 32 is connected between the bottom surface of the elastic supporting block 31 and the mounting groove 30; the elastic supporting block 31 and the movable block 6 are connected in a matching way through a strip-shaped through hole 33 arranged on the elastic supporting block 31 and a supporting shaft 34 penetrating through the strip-shaped through hole 33, and two ends of the supporting shaft 34 are respectively embedded into the movable block 6;
a stop strip 28 for limiting the stroke of the movable block 6 is arranged on the base plate 4 between the supporting seat 5 and the movable block 6; the two first telescopic blocks 22 and the second telescopic blocks 27 are respectively located at one ends of the first limiting seat 21 and the second limiting seat 26 and are connected through a connecting strip 24.
Example 2: a medical open type linear anastomosis instrument welding tool comprises a nail box arm and a nail box arm, wherein the nail box arm of the linear anastomosis instrument comprises two side plates 1 which are symmetrically arranged in parallel and a top plate 2 connected between the upper end faces of the two side plates 1, the tool comprises a base plate 4 and a supporting seat 5 arranged on the upper surface of the base plate 4, the supporting seat 5 is embedded between the two side plates 1 of the nail box arm and is contacted with the lower surface of the nail box arm top plate 2, a pin groove part 3 is welded and connected to the nail box arm top plate 2 to form a pin groove, and the pin groove part 3 comprises an arc-shaped part 301 and a plane part 302, the arc-shaped part and the plane part are in surface contact with the nail box arm top plate 2, and the arc-shaped part and the plane part are used for enclosing the pin groove with the nail box arm top plate 2;
two sides of the supporting seat 5 are respectively provided with a movable block 6, the two movable blocks 6 are oppositely arranged, and the movable blocks 6 are close to the inner end surface of the supporting seat 5 and are used for being in surface contact with the nail box arm side plate 1 arranged on the supporting seat 5;
a groove 8 for embedding a pin shaft 7 is formed in the top surface of each of the two movable blocks 6 close to one end of the support seat 5, the middle part of the pin shaft 7 is embedded into the arc-shaped part 301 of the pin groove part 3, and the two ends of the pin shaft 7 are respectively embedded into the grooves 8 on the movable blocks 6, so that the pin groove part 3 is placed on the nail box arm top plate 2 between the two movable blocks 6;
a movable plate 10 having a pressing head 9 at a lower end thereof is disposed above the pin slot member 3 and is movable in an up-and-down direction, and when the movable plate 10 moves down, the pressing head 9 is in pressing contact with the flat portion 302 of the pin slot member 3;
the lower end of the movable block 6 is provided with a strip-shaped track part 14 with an isosceles trapezoid cross section, the base plate 4 is provided with strip-shaped guide grooves 15 matched with the strip-shaped track part 14, the two strip-shaped guide grooves 15 are both arranged perpendicular to the supporting seat 5, and the strip-shaped track part 14 of the movable block 6 is embedded into the strip-shaped guide grooves 15 and can slide along the direction perpendicular to the supporting seat 5;
an elastic piece 17 is connected between the end face of one end of the movable block 6, which is far away from the supporting seat 5, and a driving block 16, the lower part of the driving block 16, which is far away from the elastic piece 17, is connected with a bidirectional cylinder 11, a right-angled hook 18 is fixed on the upper part of the driving block 16, a groove body part 19, into which the right-angled hook 18 is embedded, is formed on the movable block 6, the hook body part of the right-angled hook 18 is embedded into the groove body part 19 of the movable block 6 and can move in the groove body part 19 along the direction perpendicular to the supporting seat 5, and one end, which is opposite to the hook body part, of the right-angled hook 18 is connected with the driving block 16;
the two side plates 1 at one end of the nail box arm are provided with a notch, the base plate 4 is provided with a bolt 20 which can be embedded into the notch of the nail box arm, the outer side of one end of the nail box arm with the notch is provided with a first limiting seat 21, two first telescopic blocks 22 corresponding to the two side plates 1 of the nail box arm are arranged in the first limiting seat 21 at intervals, one end of each first telescopic block 22 is embedded into the first limiting seat 21 and is connected with the first limiting seat 21 through a first spring 23, and the other end of each first telescopic block 22 extends out of the first limiting seat 21 and is in extrusion contact with the end face of the side plate 1 of the nail box arm;
two second limiting seats 26 are arranged on the substrate 4 at the same side of the supporting seat 5 at intervals, the two second limiting seats 26 are respectively arranged at two ends of the supporting seat 5, at least two second telescopic blocks 27 are arranged in the second limiting seats 26 at intervals, one ends of the second telescopic blocks 27 are embedded into the second limiting seats 26 and connected with the second limiting seats 26 through a second spring 28, and the other ends of the second telescopic blocks 27 extend out of the first limiting seats 21 and are in extrusion contact with the outer surface of the nail box arm side plate 1;
one end of the movable block 6 close to the supporting seat 5 is provided with an installation groove 30 which is arranged along the vertical direction, an elastic supporting block 31 which can move along the vertical direction is embedded in the installation groove 30, and the top surface of the elastic supporting block 31 is a concave arc surface which can be matched with the pin shaft 7.
A guide block 25 is arranged between the two first telescopic blocks 22 and the two second telescopic blocks 27 which are arranged at intervals; a bidirectional cylinder 11 is mounted on the lower surface of the base plate 4, and piston rods of the bidirectional cylinder 11 are respectively connected with the two movable blocks 6 and used for driving the movable blocks 6 to reciprocate in a direction vertical to the supporting seat 5;
a cylinder frame 12 is installed on the side surface of the base plate 4, and a cylinder 13 installed on the cylinder frame 12 is connected with the movable plate 10 for driving the movable plate 10 to move up and down; the base plate 4 is arranged on a four-axis driving mechanism; the diameter of the pin shaft 7 is slightly larger than the diameter of the arc-shaped portion 301 of the pin groove member 3.
The working principle is as follows: during the use, install nail casket arm on the supporting seat earlier, two movable blocks of redriving press from both sides tight fixedly to nail casket arm, at this moment, put into the round pin axle that the mid-mounting has the round pin groove spare in the recess on two movable blocks for the round pin groove spare is located nail casket arm roof, and the fly leaf downstream of redriving makes the pressure head compress tightly the plane portion of round pin groove spare, thereby realizes the clamping to nail casket arm and round pin groove spare, further welds the two through laser welding equipment again.
When the medical open type linear anastomosis instrument welding tool is adopted, clamping of the nail box arm and the pin groove piece is realized, meanwhile, the pin groove piece with smaller size is accurately positioned at the special position of the nail box arm, welding is facilitated, and meanwhile, welding precision between the nail box arm and the pin groove piece is guaranteed;
in addition, the dovetail grooves and the rails are matched, so that the moving straightness of the movable block is improved, the movable block is guaranteed to vertically apply force to the side plate of the nail box arm, and the welding position deviation caused by the inclination of the nail box arm is avoided; furthermore, through the arrangement of the elastic piece matched with the right-angle hook body and the groove body part structure, the position deviation error in the installation process of the air cylinder can be effectively prevented from being transmitted to the movable block, the perpendicularity of the movable block on the force application of the nail box arm is further ensured, the nail box arm is prevented from deviating, and the welding position precision is improved;
in addition, the telescopic block and the bolt are matched with the notch on the side plate of the nail box arm, so that the nail box arm is limited in the horizontal direction and cannot be damaged, the consistency of the welding position in the direction is ensured, and the welding precision is improved;
in addition, through two groups of telescopic blocks arranged at intervals, the elastic limit of the nail box arm in the vertical direction is realized, the nail box arm cannot be damaged, the condition that the welding position deviates due to the fact that the nail box arm is unevenly stressed and deviates can be effectively avoided, and the welding precision is improved;
in addition, due to the arrangement of the connecting strip and the guide block, the straightness of the acting force of the telescopic block on the side plate of the nail box arm is further ensured, the nail box arm is prevented from deviating, and the welding position precision is ensured;
in addition, the elastic support is provided for the pin shaft provided with the pin groove part through the concave arc-shaped surface on the elastic support block, so that the damage of the pin groove part due to overlarge acting force of a pressure head is avoided, the deviation of the pin groove part due to instant stress can be avoided, and the welding precision between the pin groove part and the nail box arm is further ensured.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides an open sharp apparatus welding frock of coincideing of medical treatment, the straight line nail casket arm of coincideing the apparatus includes two curb plates (1) that parallel symmetry set up and connects roof (2) between the up end of two curb plates (1), the frock includes base plate (4) and sets up in supporting seat (5) of base plate (4) upper surface, between two curb plates (1) of supporting seat (5) embedding nail casket arm to with nail casket arm roof (2) lower surface contact, its characterized in that: a pin slot part (3) is welded and connected on the top plate (2) of the nail box arm, so as to form the pin slot, and the pin slot part (3) comprises an arc-shaped part (301) used for enclosing the pin slot with the nail box arm top plate (2) and a plane part (302) in surface contact with the nail box arm top plate (2);
two sides of the supporting seat (5) are respectively provided with a movable block (6), the two movable blocks (6) are arranged oppositely, and the inner end surface, close to the supporting seat (5), of each movable block (6) is used for being in surface contact with a nail box arm side plate (1) arranged on the supporting seat (5);
a groove (8) for embedding a pin shaft (7) is formed in the top surface of one end, close to the supporting seat (5), of each of the two movable blocks (6), the middle of the pin shaft (7) is embedded into the arc-shaped part (301) of the pin groove piece (3), the two ends of the pin shaft (7) are respectively embedded into the grooves (8) in the movable blocks (6), and therefore the pin groove piece (3) is placed on the nail box arm top plate (2) between the two movable blocks (6);
a movable plate (10) with a pressure head (9) at the lower end is arranged above the pin groove member (3) and can move along the up-and-down direction, and when the movable plate (10) moves down, the pressure head (9) is in pressing contact with a plane part (302) of the pin groove member (3);
the lower end of the movable block (6) is provided with a strip-shaped rail part (14) with an isosceles trapezoid cross section, the base plate (4) is provided with strip-shaped guide grooves (15) matched with the strip-shaped rail part (14), the two strip-shaped guide grooves (15) are arranged perpendicular to the supporting seat (5), and the strip-shaped rail part (14) of the movable block (6) is embedded into the strip-shaped guide grooves (15) and can slide along the direction perpendicular to the supporting seat (5);
an elastic piece (17) is connected between the end face of one end, far away from the supporting seat (5), of the movable block (6) and a driving block (16), the lower portion, far away from the elastic piece (17), of the driving block (16) is connected with a bidirectional cylinder (11), a right-angle hook body (18) is fixed to the upper portion of the driving block (16), a groove body portion (19) for the right-angle hook body (18) to be embedded into is formed in the movable block (6), the hook body portion of the right-angle hook body (18) is embedded into the groove body portion (19) of the movable block (6) and can move in the groove body portion (19) along the direction perpendicular to the supporting seat (5), and one end, back to the hook body portion, of the right-angle hook body (18) is connected with the driving block (16);
the nail box arm comprises a nail box arm body and a base plate (4), wherein two side plates (1) at one end of the nail box arm body are provided with a notch, a bolt (20) capable of being embedded into the notch of the nail box arm body is arranged on the base plate (4), a first limiting seat (21) is arranged on the outer side of one end of the nail box arm body with the notch, two first telescopic blocks (22) corresponding to the two side plates (1) of the nail box arm body are installed in the first limiting seat (21) at intervals, one end of each first telescopic block (22) is embedded into the first limiting seat (21) and is connected with the first limiting seat (21) through a first spring (23), and the other end of each first telescopic block (22) extends out of the first limiting seat (21) and is in extrusion contact with the end face of the nail box arm side plate (1);
two second limiting seats (26) are arranged on the substrate (4) positioned on the same side of the supporting seat (5) at intervals, the two second limiting seats (26) are respectively positioned at two ends of the supporting seat (5), at least two second telescopic blocks (27) are arranged in the second limiting seats (26) at intervals, one ends of the second telescopic blocks (27) are embedded into the second limiting seats (26) and are connected with the second limiting seats (26) through second springs (28), and the other ends of the second telescopic blocks (27) extend out of the first limiting seats (21) and are in extrusion contact with the outer surface of the nail box arm side plate (1);
one end of the movable block (6) close to the supporting seat (5) is provided with a mounting groove (30) which is arranged along the vertical direction, an elastic supporting block (31) which can move along the vertical direction is embedded in the mounting groove (30), and the top surface of the elastic supporting block (31) is a concave arc-shaped surface which can be matched with the pin shaft (7).
2. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: and a third spring (32) is connected between the bottom surface of the elastic supporting block (31) and the mounting groove (30).
3. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: the elastic supporting block (31) and the movable block (6) are connected with a supporting shaft (34) penetrating through a strip-shaped through hole (33) formed in the elastic supporting block (31) in a matched mode, and two ends of the supporting shaft (34) are embedded into the movable block (6) respectively.
4. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: a stop strip (28) used for limiting the stroke of the movable block (6) is arranged on the base plate (4) between the supporting seat (5) and the movable block (6).
5. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: one ends of the two first telescopic blocks (22) and the second telescopic blocks (27) which are respectively positioned in the first limiting seat (21) and the second limiting seat (26) are connected through a connecting strip (24).
6. The medical open type linear anastomosis instrument welding tool according to claim 1 or 5, characterized in that: a guide block (25) is arranged between the two first telescopic blocks (22) and the two second telescopic blocks (27) which are arranged at intervals.
7. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: a bidirectional cylinder (11) is mounted on the lower surface of the base plate (4), and a piston rod of the bidirectional cylinder (11) is connected with the two movable blocks (6) respectively and used for driving the movable blocks (6) to reciprocate in the direction perpendicular to the supporting seat (5).
8. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: a cylinder frame (12) is installed on the side face of the base plate (4), and a cylinder (13) installed on the cylinder frame (12) is connected with the movable plate (10) and used for driving the movable plate (10) to move up and down.
9. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: the base plate (4) is arranged on a four-axis driving mechanism.
10. The medical open type linear anastomosis instrument welding tool according to claim 1, wherein: the diameter of the pin shaft (7) is slightly larger than that of the arc-shaped part (301) of the pin groove piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449688.3A CN114603296A (en) | 2020-12-09 | 2020-12-09 | Medical open type linear anastomosis instrument welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011449688.3A CN114603296A (en) | 2020-12-09 | 2020-12-09 | Medical open type linear anastomosis instrument welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114603296A true CN114603296A (en) | 2022-06-10 |
Family
ID=81857078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011449688.3A Pending CN114603296A (en) | 2020-12-09 | 2020-12-09 | Medical open type linear anastomosis instrument welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114603296A (en) |
-
2020
- 2020-12-09 CN CN202011449688.3A patent/CN114603296A/en active Pending
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