阅读说明：本技术 一种吻合器用钛钉弯折挤压机构 (Titanium nail bending and extruding mechanism for anastomat ) 是由 周铁君 毛训根 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种吻合器用钛钉弯折挤压机构,涉及机械技术领域,其技术方案要点包括下支撑板与上支撑板,所述上支撑板的底部固定连接有伸缩装置,所述伸缩装置的两侧均设置有L形连接板,两个所述L形连接板之间卡接有冲压板,所述冲压板的下方设置有冲压块,所述下支撑板的顶部设置有底板,所述底板的顶部设置有弯折装置,所述弯折装置与冲压块之间设置有钛钉本体,所述伸缩装置包括液压缸,所述液压缸的顶部与上支撑板的底部固定连接,本发明通过设置三角孔,当冲压块与钛钉本体接触时,钛钉本体带动弯折模具向内侧旋转,弯折模具对钛钉本体的形变进行角度限制与支撑,弯折过程准确可控,效率高。(The invention discloses a titanium nail bending and extruding mechanism for an anastomat, which relates to the technical field of machinery, and adopts the technical scheme that the mechanism comprises a lower supporting plate and an upper supporting plate, wherein the bottom of the upper supporting plate is fixedly connected with a telescopic device, two sides of the telescopic device are respectively provided with an L-shaped connecting plate, a stamping plate is clamped between the two L-shaped connecting plates, a stamping block is arranged below the stamping plate, the top of the lower supporting plate is provided with a bottom plate, the top of the bottom plate is provided with a bending device, a titanium nail body is arranged between the bending device and the stamping block, the telescopic device comprises a hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with the bottom of the upper supporting plate, through the triangular hole, when the stamping block is contacted with the titanium nail body, the titanium nail body drives a bending die to rotate inwards, and the bending die limits and supports the deformation of the titanium nail body by an angle, the bending process is accurate and controllable, and the efficiency is high.)

1. The utility model provides an extrusion mechanism is buckled with titanium nail to anastomat, includes backup pad (1) and last backup pad (6), its characterized in that: go up the bottom fixedly connected with telescoping device of backup pad (6), the both sides of telescoping device all are provided with L shape connecting plate (4), two the joint has punching press board (5) between L shape connecting plate (4), the below of punching press board (5) is provided with punching press piece (7), the top of backup pad (1) is provided with bottom plate (14), the top of bottom plate (14) is provided with the device of buckling, be provided with titanium nail body (8) between device of buckling and punching press piece (7).

2. The titanium nail bending and extruding mechanism for the anastomat according to claim 1, wherein the telescopic device comprises a hydraulic cylinder (2), the top of the hydraulic cylinder (2) is fixedly connected with the bottom of the upper supporting plate (6), the bottom of the hydraulic cylinder (2) is fixedly connected with a lifting plate (3), electric push rods (13) are fixedly connected to two sides of the lifting plate (3), and the electric push rods (13) are fixedly connected with an L-shaped connecting plate (4).

3. The titanium nail bending and extruding mechanism for the anastomat according to claim 1, wherein the two L-shaped connecting plates (4) are provided with first clamping grooves (10) on opposite sides, the two second clamping grooves (11) are formed in the surface of the stamping plate (5), the L-shaped connecting plates (4) are clamped with the second clamping grooves (11), the stamping plate (5) is clamped with the first clamping grooves (10), the inner top wall of the first clamping grooves (10) is fixedly connected with anti-skidding blocks (12), and the bottoms of the anti-skidding blocks (12) are attached to the tops of the stamping plate (5).

4. The titanium nail bending and extruding mechanism for the anastomat according to claim 1, wherein spring rods (15) which are uniformly distributed are fixedly connected between the stamping plate (5) and the stamping block (7).

5. The titanium nail bending and extruding mechanism for the anastomat according to claim 1, wherein the bending device comprises two support plates (9), the bottom of each support plate (9) is fixedly connected with the top of the bottom plate (14), a bending die (16) is movably connected to the top of each support plate (9), and the top of each bending die (16) is attached to the titanium nail body (8).

6. The titanium nail bending and extruding mechanism for the anastomat according to claim 5, wherein a triangular hole (17) is formed in the front face of the bending die (16), the triangular hole (17) is in the shape of an isosceles right triangle, and the titanium nail body (8) is located on the inner wall of the triangular hole (17).

7. The titanium nail bending and extruding mechanism for the anastomat according to claim 6, wherein a fixing groove (18) communicated with the triangular hole (17) is formed in the top of the bending die (16), and the titanium nail body (8) is located on the inner wall of the fixing groove (18).

8. The titanium nail bending and extruding mechanism for the anastomat according to claim 5, wherein a limiting block (19) is integrally formed at the bottom of the bending die (16), an arc-shaped groove (20) is formed at the top of the supporting plate (9), and the limiting block (19) is located on the inner wall of the arc-shaped groove (20).

9. The titanium nail bending and extruding mechanism for the anastomat according to the claim 5, wherein one side of the bending die (16) is integrally formed with a folding edge (21), and the bottom of the folding edge (21) is contacted with the top of the supporting plate (9).

10. A method for performing titanium nail bending extrusion molding by using the titanium nail bending extrusion mechanism for the anastomat according to any one of claims 1 to 9, which is characterized in that: the method comprises the following steps:

the method comprises the following steps: according to the diameter of the stamping plate (5), electric push rods (13) on two sides of the lifting plate (3) are started, the electric push rods (13) are made to extend, the electric push rods (13) drive the L-shaped connecting plate (4) to move outwards, the clamping radius is enlarged, the hydraulic cylinder (2) is started, the hydraulic cylinder (2) drives the lifting plate (3) to descend, the lifting plate (3) drives the two electric push rods (13) to descend, the two electric push rods (13) drive the L-shaped connecting plate (4) to descend, when the L-shaped connecting plate (4) descends to the height matched with a first clamping groove (10) and a second clamping groove (11) of the stamping plate (5), the hydraulic cylinder (2) is stopped, the two electric push rods (13) are started again, the electric push rods (13) are made to shorten, the electric push rods (13) drive the L-shaped connecting plate (4) to move inwards, the clamping radius is reduced until the first clamping groove (10) is clamped with the stamping plate (5), a second clamping groove (11) on the stamping plate (5) is clamped with the L-shaped connecting plate (4), and the anti-skid block (12) is attached to the top of the stamping plate (5);

step two: then the hydraulic cylinder (2) is started again, the hydraulic cylinder (2) is made to descend to drive the lifting plate (3) to descend, the lifting plate (3) drives the two L-shaped connecting plates (4) to descend, the two L-shaped connecting plates (4) drive the stamping plate (5) to descend, the stamping plate (5) drives the spring rod (15) to descend, the spring rod (15) drives the stamping block (7) to descend, when the stamping block (7) is in contact with the titanium nail body (8), the titanium nail body (8) drives the bending die (16) to rotate inwards, a limiting block (19) of the bending die (16) displaces along the arc-shaped groove (20), the titanium nail body (8) is extruded by a triangular hole (17) at the top of the bending die (16) to deform, and until the bending die (16) rotates for five degrees, the titanium nail body (8) in the triangular hole (17) deforms;

step three: after punching, the hydraulic cylinder (2) is started reversely, the hydraulic cylinder (2) is made to ascend, the lifting plate (3) is driven to ascend, the lifting plate (3) drives the two L-shaped connecting plates (4) to ascend, the two L-shaped connecting plates (4) drive the punching plate (5) to ascend, the punching plate (5) drives the spring rod (15) to ascend, the spring rod (15) drives the punching block (7) to ascend, and the formed titanium nail body (8) is taken out.

Technical Field

The invention relates to the technical field of machinery, in particular to a titanium nail bending and extruding mechanism for an anastomat.

Background

The titanium nail is widely used in medical instruments, such as anastomats, suturing devices, linear cutting, endoscopic linear cutting, titanium clamps (vascular clamps) and other instrument products, and is commonly used in the anastomosis and suturing operations of surgical stomach tissues, lung tissues and digestive tract surgical tissues.

However, because the titanium wire is too thin, the efficiency is low during straightening, forming and cutting, and the forming effect is not good, the forming mode of the titanium nail at present is mostly manual or semi-automatic, and no quick and automatic forming equipment exists, so that the forming efficiency is low, the forming effect is not good, and the forming cost is high. In addition, the damage to the lower die in the titanium nail forming process is large due to the design of the existing lower die, the service life of the lower die is short, and the titanium nail is inconvenient to take out after extrusion forming. Therefore, the titanium nail bending and pressing mechanism for the anastomat is provided by the technical personnel in the field, so as to solve the problems in the background technology.

Disclosure of Invention

In order to solve the problems in the background art, the invention aims to provide a titanium nail bending and extruding mechanism for an anastomat, which has the advantages that a bending die is used for carrying out angle limiting and supporting on the titanium nail body in a stamping mode, the bending process is accurate and controllable, and the efficiency is high.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an extrusion mechanism buckles with titanium nail for anastomat, includes bottom suspension fagging and last backup pad, the bottom fixedly connected with telescoping device of going up the backup pad, the both sides of telescoping device all are provided with L shape connecting plate, two the joint has the punching press board between the L shape connecting plate, the below of punching press board is provided with the punching press piece, the top of bottom suspension fagging is provided with the bottom plate, the top of bottom plate is provided with the device of buckling, be provided with the titanium nail body between device of buckling and the punching press piece.

As a further scheme of the invention: the telescopic device comprises a hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with the bottom of the upper supporting plate, the bottom of the hydraulic cylinder is fixedly connected with a lifting plate, electric push rods are fixedly connected to the two sides of the lifting plate, and the electric push rods are fixedly connected with the L-shaped connecting plate.

As a still further scheme of the invention: two first draw-in grooves have all been seted up to the opposite side of L shape connecting plate, the second draw-in groove that quantity is two is seted up on the surface of punching press board, L shape connecting plate and second draw-in groove joint, punching press board and first draw-in groove joint.

As a still further scheme of the invention: the inner top wall of the first clamping groove is fixedly connected with an anti-slip block, and the bottom of the anti-slip block is attached to the top of the stamping plate.

As a still further scheme of the invention: spring rods which are uniformly distributed are fixedly connected between the stamping plate and the stamping blocks.

As a still further scheme of the invention: the bending device comprises two supporting plates, the bottom of each supporting plate is fixedly connected with the top of the bottom plate, a bending die is movably connected to the top of each supporting plate, and the top of each bending die is attached to the titanium nail body.

As a still further scheme of the invention: the front of the bending die is provided with a triangular hole which is an isosceles right triangle, and the titanium nail body is positioned on the inner wall of the triangular hole.

As a still further scheme of the invention: the top of the bending die is provided with a fixing groove communicated with the triangular hole, and the titanium nail body is located on the inner wall of the fixing groove.

As a still further scheme of the invention: the bottom of the bending die is integrally formed with a limiting block, the top of the supporting plate is provided with an arc-shaped groove, and the limiting block is located on the inner wall of the arc-shaped groove.

As a still further scheme of the invention: and a folded edge is integrally formed on one side of the bending die, and the bottom of the folded edge is in contact with the top of the supporting plate.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the triangle hole, when punching press piece and titanium nail body contact, the titanium nail body drives the mould of buckling and inwards rotates, the stopper of mould of buckling is along the arc wall displacement, the titanium nail body receives the extrusion in the triangle hole at mould top of buckling and takes place deformation, when the mould of buckling rotates forty-five degrees, titanium nail body deformation in the triangle hole is buckled and is ended, the shape that utilizes the triangle hole is isosceles right triangle, when the mould of buckling has rotated forty-five degrees, one side of titanium nail body is buckled and is the L shape, and the both sides of L shape all laminate with the triangle hole, after taking out the titanium nail body, mould of buckling antiport resets. The specially designed bending die has the advantages that the bending process is accurate and controllable, the efficiency is high, the service life of the die is prolonged, and the formed titanium nails are easier to take out.

2. By arranging the folding edge, the triangular hole of the bending die is vertically upward under a normal condition by utilizing the folding edge, the folding edge is attached to the top of the supporting plate, the horizontal placement of the bending die before stamping is ensured, the stamping is finished, and when the bending die is reset, the folding edge is attached to the supporting plate, and the resetting of the bending die is finished;

3. through setting up first draw-in groove and second draw-in groove for L shape connecting plate carries out the joint with the punching press board fast, and non slipping spur in the first draw-in groove can increase the friction between L shape connecting plate and the punching press board, utilizes being connected of L shape connecting plate and punching press board, has avoided punching press board to take place to rock in the stamping process, improves the stability of punching press.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the hydraulic cylinder of the present invention during extension;

FIG. 3 is a schematic view of the connection of the hydraulic cylinder and the lifter plate of the present invention;

FIG. 4 is an elevational, cross-sectional view of a pallet of the present invention;

FIG. 5 is a schematic view of the connection between the pallet and the bending mold according to the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

fig. 7 is an enlarged view of the invention at B in fig. 5.

In the figure: 1. a lower support plate; 2. a hydraulic cylinder; 3. a lifting plate; 4. an L-shaped connecting plate; 5. stamping the plate; 6. an upper support plate; 7. stamping the blocks; 8. a titanium nail body; 9. a support plate; 10. a first card slot; 11. a second card slot; 12. anti-skid blocks; 13. an electric push rod; 14. a base plate; 15. a spring lever; 16. bending the die; 17. a triangular hole; 18. fixing grooves; 19. a limiting block; 20. an arc-shaped slot; 21. and (7) folding edges.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings

Referring to fig. 1 to 7, in an embodiment of the present invention, a titanium nail bending and extruding mechanism for a stapler includes a lower support plate 1 and an upper support plate 6, a telescopic device is fixedly connected to the bottom of the upper support plate 6, L-shaped connection plates 4 are respectively disposed on both sides of the telescopic device, a stamping plate 5 is clamped between the two L-shaped connection plates 4, a stamping block 7 is disposed below the stamping plate 5, a bottom plate 14 is disposed on the top of the lower support plate 1, a bending device is disposed on the top of the bottom plate 14, and a titanium nail body 8 is disposed between the bending device and the stamping block 7.

In fig. 3, the telescoping device includes pneumatic cylinder 2, the top of pneumatic cylinder 2 and the bottom fixed connection of last backup pad 6, the bottom fixedly connected with lifter plate 3 of pneumatic cylinder 2, the equal fixedly connected with electric putter 13 in both sides of lifter plate 3, electric putter 13 and the 4 fixed connection of L shape connecting plate, through setting up electric putter 13, can adjust the centre gripping radius of L shape connecting plate 4, the not punching press board 5 of equidimension model of adaptation, the suitability of improvement device.

In fig. 3 or fig. 6, first draw-in groove 10 has all been seted up to the opposite side of two L shape connecting plates 4, second draw-in groove 11 that quantity is two is seted up on the surface of punching press board 5, L shape connecting plate 4 and second draw-in groove 11 joint, punching press board 5 and first draw-in groove 10 joint, the interior roof fixedly connected with non slipping spur 12 of first draw-in groove 10, the bottom of non slipping spur 12 and the top laminating of punching press board 5, through setting up first draw-in groove 10 and second draw-in groove 11, make L shape connecting plate 4 and punching press board 5 carry out the joint fast, non slipping spur 12 in the first draw-in groove 10 can increase the friction between L shape connecting plate 4 and punching press board 5, utilize being connected of L shape connecting plate 4 and punching press board 5, avoided punching press board 5 to take place to rock in the stamping process, improve the stability of punching press.

In fig. 1, spring rods 15 which are uniformly distributed are fixedly connected between the stamping plate 5 and the stamping block 7, and the spring rods 15 are arranged to support the stamping of the stamping block 7, so that the stamping stress is more uniform, and the situation of local stress concentration is avoided.

In fig. 1 or 5, the bending device includes two support plates 9, the bottom of each support plate 9 is fixedly connected with the top of the bottom plate 14, the top of each support plate 9 is movably connected with a bending die 16, the top of each bending die 16 is attached to the titanium nail body 8, the front of each bending die 16 is provided with a triangular hole 17, each triangular hole 17 is an isosceles right triangle, each titanium nail body 8 is located on the inner wall of each triangular hole 17, the top of each bending die 16 is provided with a fixing groove 18 communicated with each triangular hole 17, each titanium nail body 8 is located on the inner wall of each fixing groove 18, by arranging the triangular holes 17, when the stamping block 7 is in contact with the titanium nail body 8, each titanium nail body 8 drives the bending die 16 to rotate inwards, a limit block 19 of each bending die 16 displaces along an arc-shaped groove 20, each titanium nail body 8 deforms under the extrusion of the triangular hole 17 at the top of each bending die 16 until the bending die 16 rotates forty-five degrees, the titanium nail body 8 in the triangular hole 17 is deformed and is bent over, utilizes the shape in triangular hole 17 to be isosceles right triangle, when the mould 16 of buckling rotated forty-five degrees, one side of titanium nail body 8 was buckled and is the L shape, and the both sides of L shape all laminate with triangular hole 17, after taking out titanium nail body 8, 16 antiport of mould of buckling reset, and the process of buckling is accurate controllable, efficient.

In fig. 4, the bottom integrated into one piece of mould 16 of buckling has stopper 19, and arc wall 20 has been seted up at the top of layer board 9, and stopper 19 is located the inner wall of arc wall 20, and through setting up stopper 19, when mould 16 of buckling rotates, stopper 19 carries out fore-and-aft direction and the spacing of up-and-down direction along the inner wall displacement of arc wall 20 to the rotation of mould 16 of buckling, avoids mould 16 of buckling to take place to rock at the rotation in-process.

In fig. 5, a hem 21 is integrally formed on one side of the bending die 16, the bottom of the hem 21 is in contact with the top of the supporting plate 9, and by arranging the hem 21, the hem 21 is utilized, under a normal condition, the triangular hole 17 of the bending die 16 is vertically upward, the hem 21 is attached to the top of the supporting plate 9, the horizontal placement of the bending die 16 before stamping is ensured, the stamping is completed, and when the bending die 16 is reset, when the hem 21 is attached to the supporting plate 9, the resetting of the bending die 16 is completed.

The working principle and the using method of the invention are as follows: when the device is used, according to the diameter of the stamping plate 5, the electric push rods 13 on the two sides of the lifting plate 3 are started, the electric push rods 13 are extended, the electric push rods 13 drive the L-shaped connecting plate 4 to move outwards, the clamping radius is enlarged, the hydraulic cylinder 2 is started, the hydraulic cylinder 2 drives the lifting plate 3 to descend, the lifting plate 3 drives the two electric push rods 13 to descend, the two electric push rods 13 drive the L-shaped connecting plate 4 to descend, when the L-shaped connecting plate 4 descends to the height of the first clamping groove 10 matched with the second clamping groove 11 of the stamping plate 5, the hydraulic cylinder 2 is stopped, the two electric push rods 13 are started again, the electric push rods 13 are shortened, the electric push rods 13 drive the L-shaped connecting plate 4 to move inwards, the clamping radius is reduced until the first clamping groove 10 is clamped with the stamping plate 5, the second clamping groove 11 on the stamping plate 5 is clamped with the L-shaped connecting plate 4, the antiskid blocks 12 are attached to the top of the stamping plate 5, and then the hydraulic cylinder 2 is started again, the hydraulic cylinder 2 is made to descend to drive the lifting plate 3 to descend, the lifting plate 3 drives the two L-shaped connecting plates 4 to descend, the two L-shaped connecting plates 4 drive the stamping plate 5 to descend, the stamping plate 5 drives the spring rod 15 to descend, the spring rod 15 drives the stamping block 7 to descend, when the stamping block 7 is contacted with the titanium nail body 8, the titanium nail body 8 drives the bending die 16 to rotate inwards, the limiting block 19 of the bending die 16 displaces along the arc-shaped groove 20, the titanium nail body 8 is extruded by the triangular hole 17 at the top of the bending die 16 to deform until the bending die 16 rotates forty-five degrees, the titanium nail body 8 in the triangular hole 17 deforms and finishes bending (as shown in figure 2), after the stamping is finished, the hydraulic cylinder 2 is started reversely to ascend the hydraulic cylinder 2 to drive the lifting plate 3 to ascend, the lifting plate 3 drives the two L-shaped connecting plates 4 to ascend, the two L-shaped connecting plates 4 drive the stamping plate 5 to ascend, the stamping plate 5 drives the spring rod 15 to ascend, the spring rod 15 drives the stamping block 7 to ascend, and the formed titanium nail body 8 is taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.