A mold for machining the circular surface of an anastomosis device anvil

Abstract

The present invention discloses a mold for processing the circular surface of the anastomosis anvil, which specifically relates to the field of mold technology, including an upper positioning frame, a rotating shaft rod embedded and installed through one side of the upper positioning frame, and a switching mechanism installed at one end of the rotating shaft rod; the switching mechanism includes a pressing mold arranged at one end of the rotating shaft rod, the other end of the rotating shaft rod is connected to a first servo motor with a coaxial transmission connection, and a plurality of semicircular pressing concave heads are installed above the pressing mold and a plurality of arc-shaped pressing concave heads are installed below the pressing mold. The present invention adopts a switching mechanism, which can switch between two models of the circular surface of the anastomosis seat for processing according to actual use. The processing model can be switched and changed during the production process without stopping production, disassembling and replacing. At the same time, the mold can be used as two sets, which greatly improves the applicability of the mold and reduces production costs.

Description

[0001] This application is a divisional application of the application filed on March 15, 2023, with application number 202310249590.0 and invention name “A mold for processing the circular surface on the stapler support”. Technical Field

[0002] The present invention relates to the technical field of molds, and more particularly to a mold for machining a circular surface on an anastomosis anvil. Background Art

[0003] The stapler, the world's first stapler, has been used for gastrointestinal anastomosis for nearly a century. It wasn't until 1978 that tubular staplers became widely used in gastrointestinal surgery. They are generally available as disposable or reusable, imported or domestically produced. They are used in medicine as an alternative to traditional manual suturing. Modern technological advancements and improvements in manufacturing techniques have necessitated the use of molds for the circular surface of the anvil.

[0004] Patent application publication number CN206373248U discloses a mold for machining the circular surface on the anastomosis anvil, comprising an upper die base, an upper pad, an upper clamping plate, a stop plate, a stripper plate, a lower template, a lower pad, a lower die base, four wedges, four sliders, four slider return springs, and four locating pins. The upper pad is mounted on the upper die base, the upper clamping plate is mounted on the upper pad, the stop plate is mounted on the upper clamping plate, the stripper plate is mounted on the stop plate, the lower die base is mounted on the lower template, and the lower template is mounted on the lower pad. The four wedges are screwed to the upper die base, and matching sliders are located directly below the four wedges. Each slider is equipped with a slider return spring, and four locating pins are provided on one side of each slider. This mold ensures machining accuracy, reduces machining errors, improves production efficiency, and reduces production costs during the production process.

[0005] In summary, the above patents, in actual use, can only use a matching mold to process the circular surface of one type of anvil during processing. When it is necessary to replace the anvil with another type to process the circular surface at a different angle, another set of molds is required, which greatly increases the production cost of the mold and has low switching efficiency. Summary of the Invention

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a mold for processing the circular surface on the anastomosis nail seat. The present invention adopts a switching mechanism, which can switch between two models of the circular surface of the nail seat for processing according to actual usage. The processing model can be switched and changed during the production process without stopping production, disassembling and replacing. At the same time, the mold can be used as two sets, which greatly improves the applicability of the mold and reduces production costs, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a mold for machining the circular surface of a stapler anvil, comprising an upper positioning frame, a rotating shaft embedded in one side of the upper positioning frame, and a switching mechanism installed at one end of the rotating shaft;

[0008] The switching mechanism includes a pressing mold arranged at one end of a rotating shaft, the other end of the rotating shaft is connected to a first servo motor with a coaxial transmission connection, a plurality of semicircular pressing recesses are installed above the pressing mold and a plurality of arc-shaped pressing recesses are installed below, an arc-shaped positioning seat is provided below each arc-shaped pressing recess, the bottom end of the arc-shaped positioning seat is connected to a flip mold, a plurality of semicircular positioning seats are installed below the flip mold and a linkage rotating rod is connected to one side, and a second servo motor is installed at one end of the linkage rotating rod.

[0009] In a preferred embodiment, the rotating shaft is movably connected to the upper positioning frame, the two ends of the rotating shaft are respectively fixedly connected to the output end of the first servo motor and the downward pressing mold, the inner cavity shape of the semicircular downward pressing concave head is set to be semicircular, the inner cavity shape of the arc-shaped downward pressing concave head is set to be arc-shaped, and the arc-shaped positioning seat is clamped with the arc-shaped downward pressing concave head.

[0010] In a preferred embodiment, a linkage support rod is installed on the left side of the pressing mold and the flipping mold, and a bearing ring is movably sleeved on the outer wall of the linkage support rod near the end position, and the outer sleeve of the linkage rotating rod is provided with a bottom fixing frame, and a supporting bottom frame is installed under the bottom fixing frame, and the supporting bottom frame and the bottom fixing frame are fixed by welding.

[0011] In a preferred embodiment, a hydraulic press connecting bracket is installed above the upper positioning frame, and positioning support rods are installed on both sides of the hydraulic press connecting bracket, which pass through the upper surface of the upper positioning frame and extend to the position below the upper positioning frame. A lower pressure ring is provided outside the positioning support rod and below the upper positioning frame, and the bottom end of the lower pressure ring is connected to a first extrusion spring.

[0012] In a preferred embodiment, a linkage limiting mechanism is installed inside the pressing mold and the flip mold, and the linkage limiting mechanism includes a linkage tooth plate arranged inside the pressing mold, a linkage tooth ring is meshed above the linkage tooth plate, and the inner wall of the linkage tooth ring is connected to a transmission shaft, one end of the transmission shaft is installed with a driving motor with a coaxial transmission connection, a pushing tooth plate is meshed above the linkage tooth ring, a sliding block is connected to the top of the pushing tooth plate and an embedded support block is installed at one side, a positioning slider is installed below the linkage tooth plate, and a positioning block is connected at one side of the linkage tooth plate, two electromagnets are provided on the opposite sides of the embedded support block and the positioning block, the two linkage tooth plates are symmetrically arranged, the sliding block is welded and fixed to the pushing tooth plate, and the vertical cross-section of the sliding block is set to a cross shape.

[0013] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip.

[0014] The technical effects and advantages of the present invention are as follows:

[0015] 1. The present invention adopts a switching mechanism. When it is necessary to punch the anvil seat on the arc surface, the arc-shaped positioning seat and the arc-shaped pressing concave head can be relative to each other and maintain a vertical parallel state. When it is necessary to process the upper circular surface of the semicircular anvil seat, the first servo motor drives the rotating shaft to rotate 180 degrees in the upper positioning frame, and the pressing die drives multiple semicircular pressing concave heads to rotate. At the same time, the pressing die drives multiple arc-shaped pressing concave heads to rotate, and multiple arc-shaped pressing concave heads flip to the upper position. Multiple semicircular pressing concave heads can be rotated and moved down to the lower position. The second servo motor drives the linkage rotating rod to rotate 180 degrees, the arc-shaped positioning seat can be flipped down to the lower position, and the semicircular positioning seat can be flipped to the upper position. The two types of anvil seat circular surfaces can be switched according to actual use for processing operations. The processing model can be switched and changed during the production process without stopping production, disassembling and replacing. At the same time, the mold can be used as two sets, which greatly improves the applicability of the mold and reduces production costs.

[0016] 2. The present invention adopts a linkage limit mechanism to start two driving motors to rotate in different directions. The transmission shaft drives the linkage gear ring to drive, pushes the gear plate to drive the sliding block to slide along the pressing mold, and the embedded support block moves to the left and contacts an electromagnet position. The linkage gear ring drives the linkage gear plate to move to the right, and the linkage gear plate drives the positioning block to move to the right and contacts another electromagnet. When the hydraulic press connecting bracket is fixed to the hydraulic press by bolts, the hydraulic press connecting bracket moves downward, and can play a role of clamping support through the embedded support block and the positioning block, and support the embedded support block by pushing the gear plate, and the linkage gear plate plays a role of supporting the positioning block. In this way, when the mold is moved down for closing, the pressing mold and the flip mold will not be flipped, thereby ensuring stable mold closing operation and better mold closing stability.

[0017] 3. The present invention does not need to energize the two powerful electromagnets, so that the compressed second extrusion spring can move the lower support block upward under the action of the rebound force, and the widened support plate drives the lower support plate strip to move the three linked limit sliders upward. The linked limit slider slides upward along the first limit support plate and the second limit support plate, and the positioning ejector can be ejected upward from the inside of the arc-shaped positioning seat, and the multiple processed circular arc surface anvils are pushed out. In this way, parts at multiple points can be ejected at one time, and the linked ejection will not cause the processed anvils to get stuck and unable to be removed, thereby achieving the effect of efficient removal.

[0018] In summary, through the mutual influence of the above-mentioned multiple effects, the processing model can be switched and changed during the production process without stopping production, disassembling and replacing. At the same time, the mold can be used as two sets, which greatly improves the applicability of the mold. When the mold is moved down to close, the pressing mold and the flip mold will not be flipped, ensuring stable mold closing operation. It can realize the ejection of parts at multiple points at one time, and the linkage ejection will not cause the processed pin holder to get stuck and unable to be removed. In summary, the applicability of the mold can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a bottom-up three-dimensional structural schematic diagram of the present invention.

[0021] Figure 3 It is a schematic diagram of the vertical section structure of the upper positioning frame of the present invention.

[0022] Figure 4 It is a structural schematic diagram of the connection between the electromagnet and the upper positioning frame of the present invention.

[0023] Figure 5 It is a structural schematic diagram of the connection between the linkage gear ring and the transmission shaft of the present invention.

[0024] Figure 6 It is a schematic diagram of the positioning top column structure of the present invention.

[0025] Figure 7 For the present invention Figure 6 Enlarged structural diagram at point A in the middle.

[0026] Figure 8 It is a schematic diagram of the structure of the powerful electromagnet of the present invention.

[0027] The accompanying drawings are marked as follows: 1. upper positioning frame; 2. rotating shaft; 3. pressing die; 4. first servo motor; 5. semicircular pressing concave head; 6. arc-shaped pressing concave head; 7. arc-shaped positioning seat; 8. flip die; 9. semicircular positioning seat; 10. linkage rotating rod; 11. second servo motor; 12. linkage support rod; 13. bearing ring; 14. bottom fixing frame; 15. supporting bottom frame; 16. hydraulic press connecting bracket; 17. positioning support rod; 18. pressing ring; 19. first extrusion spring; 20. electromagnetic Iron; 21. Linkage tooth plate; 22. Linkage gear ring; 23. Transmission shaft; 24. Drive motor; 25. Push tooth plate; 26. Sliding block; 27. Embedded support block; 28. Positioning block; 29. Mounting slot; 30. Positioning top column; 31. Linkage limit slider; 32. First limit support plate; 33. Second limit support plate; 34. Press down support plate strip; 35. Widen support plate; 36. Press down support block; 37. Second extrusion spring; 38. Support block; 39. Powerful electromagnet; 40. Positioning slider. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] As attached Figure 1-8 The mold shown is used for machining the circular surface of the stapler anvil, comprising an upper positioning frame 1, a rotating shaft 2 is embedded and installed through one side of the upper positioning frame 1, and a switching mechanism is installed at one end of the rotating shaft 2;

[0030] The switching mechanism includes a pressing mold 3 arranged at one end of a rotating shaft 2, and the other end of the rotating shaft 2 is connected to a first servo motor 4 with a coaxial transmission connection. A plurality of semicircular pressing recesses 5 are installed above the pressing mold 3 and a plurality of arc-shaped pressing recesses 6 are installed below. An arc-shaped positioning seat 7 is provided below each arc-shaped pressing recess 6, and the bottom end of the arc-shaped positioning seat 7 is connected to a flip mold 8. A plurality of semicircular positioning seats 9 are installed below the flip mold 8 and a linkage rotating rod 10 is connected to one side, and a second servo motor 11 is installed at one end of the linkage rotating rod 10.

[0031] In some embodiments, as shown in the attached Figure 1-3 As shown, the rotating shaft 2 is movably connected to the upper positioning frame 1, and the two ends of the rotating shaft 2 are fixedly connected to the output end of the first servo motor 4 and the lower pressing mold 3, so that the first servo motor 4 is started to drive the rotating shaft 2 to rotate one hundred and eighty degrees inside the upper positioning frame 1, and the rotating shaft 2 drives the lower pressing mold 3 to rotate, thereby realizing the effect of stable transmission. The inner cavity shape of the semicircular lower pressing concave head 5 is set to be semicircular, and the inner cavity shape of the arc-shaped lower pressing concave head 6 is set to be circular arc. The arc-shaped positioning seat 7 is clamped with the arc-shaped lower pressing concave head 6, so that the inner cavity of the semicircular lower pressing concave head 5 can press out a semicircle, and the inner cavity of the arc-shaped lower pressing concave head 6 is pressed downward to form an arc shape, thereby realizing the processing operation of two models of pin seats, and the arc-shaped lower pressing concave head 6 moves down and is clamped above the arc-shaped positioning seat 7 to realize the extrusion effect.

[0032] In some embodiments, as shown in the attached Figure 1-3 As shown, a linkage support rod 12 is installed on the left side of the pressing mold 3 and the flip mold 8, and a bearing ring 13 is movably sleeved on the outer wall of the linkage support rod 12 near the end position, so that the pressing mold 3 can drive the linkage support rod 12 to rotate stably inside the bearing ring 13, thereby ensuring the stable transmission performance of the pressing mold 3. The outer sleeve of the linkage rotating rod 10 is provided with a bottom fixed frame 14, and a supporting bottom frame 15 is installed below the bottom fixed frame 14. The supporting bottom frame 15 and the bottom fixed frame 14 are fixed by welding, so that the linkage rotating rod 10 can rotate stably inside the bottom fixed frame 14, and the supporting bottom frame 15 supports the bottom fixed frame 14 to ensure the stability of the bottom fixed frame 14.

[0033] In some embodiments, as shown in the attached Figure 1As shown, a hydraulic press connecting bracket 16 is installed above the upper positioning frame 1, and positioning support rods 17 are installed on both sides of the hydraulic press connecting bracket 16, which pass through the upper surface of the upper positioning frame 1 and extend to the position below the upper positioning frame 1. A lower pressure ring 18 is provided outside the positioning support rod 17 and below the displacement upper positioning frame 1, and the bottom end of the lower pressure ring 18 is connected to a first extrusion spring 19, so that when the hydraulic press connecting bracket 16 and the hydraulic press are fixed by bolts, the hydraulic press connecting bracket 16 moves downward, and the upper positioning frame 1 starts to move downward along the four positioning support rods 17, and the upper positioning frame 1 squeezes the lower pressure ring 18 to drive the first extrusion spring 19 to compress downward, stably pressing downward, and the first extrusion spring 19 can play a certain buffering role.

[0034] In some embodiments, as shown in the attached Figure 4-5 As shown, the interior of the pressing mold 3 and the flip mold 8 are both equipped with a linkage limiting mechanism, which includes a linkage tooth plate 21 arranged inside the pressing mold 3, a linkage tooth ring 22 meshed above the linkage tooth plate 21, and the inner wall of the linkage tooth ring 22 is connected to a transmission shaft 23, one end of the transmission shaft 23 is equipped with a driving motor 24 with a coaxial transmission connection, a pushing tooth plate 25 meshed above the linkage tooth ring 22, a sliding block 26 is connected to the top of the pushing tooth plate 25 and an embedded support block 27 is installed at one side, a positioning slider 40 is installed below the linkage tooth plate 21, and a positioning block 28 is connected to one side of the linkage tooth plate 21, two electromagnets 20 are provided on the opposite sides of the embedded support block 27 and the positioning block 28, the two linkage tooth plates 21 are symmetrically arranged, the sliding block 26 is welded and fixed to the pushing tooth plate 25, and the vertical cross-section of the sliding block 26 is set to a cross shape;

[0035] So that, the two drive motors 24 can be started to rotate in different directions, the drive motor 24 drives the transmission shaft 23 to rotate forward, the linkage gear ring 22 drives the push gear plate 25 to move to the left, the sliding block 26 slides along the lower pressing mold 3, the embedded support block 27 moves to the left and contacts an electromagnet 20 position, the linkage gear ring 22 drives the linkage gear plate 21 to move the positioning slider 40, and the linkage gear plate 21 drives the positioning block 28 to move to the right and contacts another electromagnet 20, and the four electromagnets 20 are energized to generate magnetic attraction to achieve the fixing effect.

[0036] In some embodiments, as shown in the attached Figure 6-8As shown, the arc-shaped positioning seat 7 and the semicircular positioning seat 9 are provided with mounting grooves 29 on the opposite sides, and the arc-shaped positioning seat 7 and the semicircular positioning seat 9 are embedded with positioning top columns 30 at positions close to one side of the mounting groove 29. The bottom end of the positioning top column 30 is connected to a linkage limiting slider 31. A first limiting support plate 32 is installed at one side of the linkage limiting slider 31 and a second limiting support plate 33 is installed on the other side. A downward pressure support strip 34 is connected to the lower side of the linkage limiting slider 31, and a downward pressure support strip 34 is installed below the downward pressure support strip 34. Two widened support plates 35, and two downward pressure support blocks 36 are connected below each widened support plate 35. The bottom end of the downward pressure support block 36 is fixedly connected to a second extrusion spring 37, and a support block 38 is welded to the bottom end of the second extrusion spring 37. A strong electromagnet 39 is installed below the widened support plate 35 and between the two downward pressure support blocks 36. The linkage limit slider 31 is slidably connected to the first limit bracket 32. The first limit bracket 32 and the second limit bracket 33 are symmetrically arranged about the linkage limit slider 31;

[0037] So that the two powerful electromagnets 39 are no longer energized, the compressed second extrusion spring 37 moves the downward pressure support block 36 upward under the action of the rebound force, and the widened support plate 35 drives the downward pressure support plate strip 34 to make the three linked limit sliders 31 slide upward along the opposite side of the first limit support plate 32 and the second limit support plate 33, and the linked limit slider 31 drives the positioning push column 30 to be pushed upward from the inside of the arc-shaped positioning seat 7, and can push out multiple nail seats with processed arc surfaces.

[0038] Working principle of the present invention:

[0039] When switching the mold, when it is necessary to punch the anvil on the arc surface, the arc-shaped positioning seat 7 and the arc-shaped pressing concave head 6 can be made relative to each other and maintain a vertically parallel state. When it is necessary to process the upper circular surface of the semicircular anvil, the first servo motor 4 can be started to drive the rotating shaft 2 to rotate one hundred and eighty degrees inside the upper positioning frame 1. The rotating shaft 2 drives the pressing mold 3 to rotate, and the pressing mold 3 can drive the linkage support rod 12 to rotate stably inside the bearing ring 13, so that the pressing mold 3 can drive multiple semicircular pressing concave heads 5 to rotate. At the same time, the pressing mold 3 drives multiple arc-shaped pressing concave heads 6 to rotate, so that multiple arc-shaped pressing concave heads 6 can be flipped to the upper position, and multiple semicircular pressing concave heads 5 can be rotated and moved downward to the lower position, and the second servo is started at the same time. The servo motor 11 drives the linkage rotating rod 10 to rotate 180 degrees, and the linkage rotating rod 10 can rotate stably inside the bottom fixed frame 14, and the supporting bottom frame 15 supports the bottom fixed frame 14. The flip mold 8 drives the multiple arc-shaped positioning seats 7 to rotate, and the flip mold 8 can drive the multiple semicircular positioning seats 9 to rotate, so that the arc-shaped positioning seat 7 can be flipped down to the lower position, and the semicircular positioning seat 9 can be flipped to the upper position, so that the semicircular downward pressing concave head 5 corresponds to the semicircular positioning seat 9 one by one, so that the two types of anvil seat circular surfaces can be switched according to actual usage for processing operations. When the selected arc-shaped downward pressing concave head 6 is opposite to the arc-shaped positioning seat 7, the protruding rod at the bottom of the arc-shaped anvil seat can be inserted into the mounting groove 29 on the multiple arc-shaped positioning seats 7;

[0040] When performing stamping processing, the two drive motors 24 can be started to rotate in different directions. The drive motor 24 drives the transmission shaft 23 to rotate forward, and the transmission shaft 23 drives the linkage gear ring 22 to transmit. The linkage gear ring 22 drives the push tooth plate 25 to move to the left, and the push tooth plate 25 drives the sliding block 26 to slide along the lower pressing mold 3, and the push tooth plate 25 drives the embedded support block 27 to move to the left and contact an electromagnet 20 position. The linkage gear ring 22 drives the linkage gear plate 21 to move to the right. At the same time, the linkage gear plate 21 drives the positioning slider 40 to move, and the linkage gear plate 21 drives the positioning block 28 to move to the right and contact another electromagnet 20, and the embedded support block 27 and the positioning block 28 on the flip mold 8 are also connected with the other two electromagnets. 20 is in contact, so that the four electromagnets 20 are energized to generate magnetic attraction to achieve the fixing effect. In this way, when the hydraulic press connecting bracket 16 is fixed to the hydraulic press by bolts, the hydraulic press connecting bracket 16 moves downward, and the hydraulic press connecting bracket 16 drives the upper positioning frame 1 to move downward, and the upper positioning frame 1 drives the rotating shaft 2 to move downward, and the rotating shaft 2 drives the pressing die 3 to move downward, and the upper positioning frame 1 begins to move downward along the four positioning support rods 17, and the upper positioning frame 1 squeezes the pressing ring 18 to drive the first squeezing spring 19 to compress downward, when the arc-shaped pressing concave head 6 is squeezed with the arc-shaped positioning seat 7, the upper surface of the part is quickly formed in the gap between the arc-shaped positioning seat 7 and the arc-shaped pressing concave head 6, so that the processing of the anvil seat of the arc surface is completed;

[0041] When the anvil seat with the arc surface is taken out, the two powerful electromagnets 39 are no longer energized, and the compressed second extrusion spring 37 can make the downward pressure support block 36 move upward under the action of the rebound force, and the downward pressure support block 36 drives the widened support plate 35 to move upward, and the widened support plate 35 drives the downward pressure support plate strip 34 to make the three linked limit sliders 31 move upward, and the linked limit slider 31 slides upward along the opposite side of the first limit support plate 32 and the second limit support plate 33, and the linked limit slider 31 drives the positioning push column 30 to push upward, and the positioning push column 30 can be pushed upward from the inside of the arc positioning seat 7, and multiple anvil seats with processed arc surfaces can be pushed out, so that parts at multiple points can be ejected at one time, which is more convenient for personnel to take out.

[0042] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0043] Secondly: The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. The same embodiment and different embodiments of the present invention may be combined with each other without conflict.

[0044] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A die for machining the circular surface of an anastomosis anvil, comprising an upper positioning frame (1), characterized in that: A rotating shaft (2) is embedded and installed through one side of the upper positioning frame (1), and a switching mechanism is installed at one end of the rotating shaft (2); The switching mechanism includes a pressing die (3) arranged at one end of a rotating shaft (2), the other end of the rotating shaft (2) is connected to a first servo motor (4) with a coaxial transmission connection, the first servo motor (4) drives the rotating shaft (2) to rotate 180 degrees in the positive direction inside the upper positioning frame (1), and the rotating shaft (2) drives the pressing die (3) to rotate, a plurality of semicircular pressing concave heads (5) are installed above the pressing die (3) and a plurality of arc-shaped pressing concave heads (6) are installed below, an arc-shaped positioning seat (7) is provided below each arc-shaped pressing concave head (6), the bottom end of the arc-shaped positioning seat (7) is connected to a flip die (8), a plurality of semicircular positioning seats (9) are installed below the flip die (8) and a plurality of semicircular positioning seats (9) are installed below the flip die (8) and a plurality of semicircular positioning seats (10) are installed below the flip die (1). The side is connected with a linkage rotating rod (10), and a second servo motor (11) is installed at one end of the linkage rotating rod (10). The second servo motor (11) can drive the linkage rotating rod (10) to rotate 180 degrees. The arc-shaped positioning seat (7) and the semicircular positioning seat (9) are provided with a mounting groove (29) on the opposite side, and the arc-shaped positioning seat (7) and the semicircular positioning seat (9) are embedded with a positioning top column (30) at a position close to one side of the mounting groove (29). The bottom end of the positioning top column (30) is connected with a linkage limiting slider (31), and a first limiting support plate (32) is installed at one side of the linkage limiting slider (31) and a second limiting support plate (33) is installed on the other side. The bottom of the linkage limiting slider (31) is connected There is a downward pressure support strip (34), two widening support plates (35) are installed below the downward pressure support strip (34), and two downward pressure support blocks (36) are connected below each widening support plate (35), the bottom end of the downward pressure support block (36) is fixedly connected to a second extrusion spring (37), and a support block (38) is welded to the bottom end of the second extrusion spring (37), and a strong electromagnet (39) is installed below the widening support plate (35) and between the two downward pressure support blocks (36). The linkage limit slider (31) is slidably connected to the first limit slider (32), and the first limit slider (32) and the second limit slider (33) are symmetrically arranged about the linkage limit slider (31). The downward pressure mold (3) and the flip The rotating mold (8) is equipped with a linkage limiting mechanism inside. The linkage limiting mechanism includes a linkage tooth plate (21) arranged inside the lower pressing mold (3). A linkage tooth ring (22) is engaged above the linkage tooth plate (21), and the inner wall of the linkage tooth ring (22) is connected to a transmission shaft (23). One end of the transmission shaft (23) is equipped with a driving motor (24) connected to the coaxial transmission. A pushing tooth plate (25) is engaged above the linkage tooth ring (22). A sliding block (26) is connected to the top of the pushing tooth plate (25) and an embedded support block (27) is installed at one side. A positioning slider (40) is installed below the linkage tooth plate (21), and a positioning block (28) is connected to one side of the linkage tooth plate (21).Two electromagnets (20) are provided on opposite sides of the embedded support block (27) and the positioning block (28), the two linkage tooth plates (21) are symmetrically arranged, the sliding block (26) is welded and fixed to the pushing tooth plate (25), and the vertical cross-section of the sliding block (26) is set to a cross shape; The rotating shaft (2) is movably connected to the upper positioning frame (1), and the two ends of the rotating shaft (2) are fixedly connected to the output end of the first servo motor (4) and the lower pressing mold (3) respectively; The inner cavity shape of the semicircular downward pressing concave head (5) is set to be semicircular, the inner cavity shape of the arc-shaped downward pressing concave head (6) is set to be arc-shaped, and the arc-shaped positioning seat (7) is clamped with the arc-shaped downward pressing concave head (6).

2. The mold for machining the circular surface of the stapler anvil according to claim 1, characterized in that: A linkage support rod (12) is installed on the left side of the pressing mold (3) and the turning mold (8), and a bearing ring (13) is movably sleeved on the outer wall of the linkage support rod (12) near the end position.

3. The mold for machining the circular surface of the stapler anvil according to claim 1, characterized in that: The linkage rotating rod (10) is externally sleeved with a bottom fixing frame (14), and a supporting bottom frame (15) is installed below the bottom fixing frame (14). The supporting bottom frame (15) and the bottom fixing frame (14) are fixed by welding.

4. The mold for machining the circular surface of the stapler anvil according to claim 1, characterized in that: A hydraulic press connecting bracket (16) is installed above the upper positioning frame (1), and positioning rods (17) are installed on both sides of the hydraulic press connecting bracket (16) and pass through the upper surface of the upper positioning frame (1) and extend to the position below the upper positioning frame (1). A lower pressure ring (18) is provided outside the positioning rod (17) and below the upper positioning frame (1), and the bottom end of the lower pressure ring (18) is connected to a first extrusion spring (19).

Images