Craniomaxillofacial bone fracture plate bending processing equipment

By designing an automated craniofacial bone plate bending processing equipment, which utilizes cylinder-driven mold bending and convenient mold replacement, the problems of labor-intensive and insufficient precision of existing equipment have been solved, achieving efficient and flexible bone plate processing.

CN223845744UActive Publication Date: 2026-01-30XIAMEN CHANGYING MEDICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423110637.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-30
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing craniofacial bone plate bending equipment requires manual operation, which is laborious, and the bending position error is large. The mold is also inconvenient to fix, which affects the accuracy and flexibility.

Method used

A processing device comprising a cylinder, a first bending die, a second bending die, an insert post, and an electric push rod was designed. The cylinder drives the die to bend, the insert post allows for easy die replacement, and the electric push rod quickly removes the bone plate, thus achieving automated operation.

Benefits of technology

It improves the efficiency and precision of the bending process, increases the flexibility of mold replacement, simplifies the operation process, and enhances the diversity of bone plate shapes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses cranio-maxillofacial bone fracture plate bending processing equipment which comprises a base, a placing frame is fixedly arranged on the upper end face of the base, an air cylinder is arranged on the outer wall of the placing frame, and a first bending die is arranged at the output end of the air cylinder. A second bending mold is movably arranged on one side of the first bending mold and located in the placing frame, supporting plates are fixedly arranged on the upper end face of the base and located on the two sides, a top plate is arranged on the upper end faces of the supporting plates, a threaded hole is formed in the middle of the top plate, and a threaded column is arranged in the threaded hole; and the lower end of the threaded column penetrates through the top plate and is rotationally provided with a pressing plate, and the upper end of the threaded column is fixedly provided with a hand wheel, so that a user can place a cranio-maxillofacial bone fracture plate into the placing frame, then the air cylinder is controlled to move the first bending mold to press the bone fracture plate onto the inner wall of the second bending mold, the bending effect is achieved, and time and labor are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bone plate bending technology, more particularly, it relates to a craniomaxillofacial bone plate bending processing equipment. BACKGROUND

[0002] The craniomaxillofacial bone plate is a kind of internal fixation device for craniomaxillofacial surgery, and is used for fixing fracture or repairing maxillofacial bone defect, and the material selection of craniomaxillofacial bone plate is crucial for the success of operation and the recovery of patient, and the design of bone plate is usually adapted to the specific anatomical structure and fracture type of patient, so before operation, doctors will customize bone plate according to CT scan or other imaging data of patient, and in the process of customizing bone plate, bending equipment needs to be used for processing.

[0003] Most of the existing bending processing equipment still needs manual operation, which leads to more labor in the process of bending, and when bending, the bending position on the bone plate will have certain error when manually operated, which affects bending precision;

[0004] And most of the bending dies are fixed by bolts, so tools are needed when disassembling, so it is not convenient to replace, and it is more troublesome to operate when the bone plate needs to be bent into different shapes. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a craniomaxillofacial bone plate bending processing equipment to solve the technical problem that most of the existing bending processing equipment needs manual operation, which leads to more labor in the process of bending.

[0007] (II) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A craniomaxillofacial bone plate bending processing equipment, including the base, the upper end surface fixed of base is equipped with the placing frame, the outer wall of placing frame is equipped with the pneumatic cylinder, the output of pneumatic cylinder is equipped with first bending mould, one side of first bending mould and the inside of placing frame are equipped with second bending mould, the upper end surface of base and both sides are fixed and equipped with support plate, the upper end surface of support plate is equipped with roof, the middle position of roof is equipped with threaded hole, the inside of threaded hole is equipped with threaded column, the lower end of threaded column passes through roof and is equipped with pressing plate, and the upper end is fixed and equipped with hand wheel, both ends of pressing plate are equipped with sliding block, the outer wall of support plate is equipped with sliding hole correspondingly, sliding block is equipped with sliding installation with sliding hole, the outer wall of first bending mould is equipped with inserting column, the output of pneumatic cylinder is equipped with inserting slot correspondingly, and the inserting column is located in the inside of inserting slot.

[0009] The utility model further sets up, the output of pneumatic cylinder is equipped with bolt, the lower end of bolt extends to the inside of inserting slot, the outer wall of inserting column is equipped with slot correspondingly, the lower end of bolt is located in the inside of slot, the upper end of bolt is fixed and equipped with pull block, first spring is fixed and equipped between pull block and the output of pneumatic cylinder, and it is convenient to replace first bending mould.

[0010] The utility model further sets up, both ends of second bending mould are equipped with mounting block, the inner wall of placing frame is equipped with mounting slot correspondingly, the mounting block is located in the inside of mounting slot, the outer wall of both sides of placing frame and mounting block is equipped with connecting hole correspondingly, the inside of connecting hole is equipped with connecting screw, and it is convenient to replace second bending mould.

[0011] The utility model further sets up, the bottom of placing frame and on base are equipped with material taking opening, the inside of material taking opening is equipped with blanking plate, the lower end surface of base and on four corners are equipped with support column, the lower end of support column is equipped with base, and it is convenient to support the equipment.

[0012] The utility model further sets up, the upper end surface of base and on both sides are equipped with electric push rod, the output of electric push rod is fixedly connected with the lower end surface of blanking plate, it is convenient to make blanking plate move down, to convenient to take bone plate.

[0013] The utility model further sets up, the lower end surface of blanking plate and on both sides are fixedly equipped with limit block, the upper end surface of limit block is in contact with the lower end surface of base, and it is convenient to limit the moving distance of blanking plate.

[0014] The utility model further sets up, one end of connecting screw is fixedly equipped with twist block, and it is convenient to disassemble connecting screw.

[0015] The utility model further provides for, both side surfaces of the base are externally connected piece fixedly equipped, convenient for the equipment is fixed.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a kind of craniomaxillofacial bone plate bending processing equipment, with following beneficial effects:

[0018] 1, by setting first bending mould, second bending mould and cylinder, so that user can be placed in the frame, after control cylinder to make first bending mould moves, to press the bone plate to the outer wall of second bending mould, to realize the effect of bending, save time and effort.

[0019] 2, by setting inserting column, bolt and connecting screw, so that user can make bolt separate from insertion slot by pulling pull block, at this moment, inserting column can be taken out from the inside of insertion slot, to replace first bending mould, connecting screw can also be disassembled by screwing block, to take second bending mould from the inside of frame, to replace second bending mould, by this design, first bending mould and second bending mould inside device can be conveniently replaced, so that craniomaxillofacial bone plate is bent into different shapes, increase flexibility.

[0020] 3, by setting material taking opening and blanking plate, so that after bending processing ends, user can make its output end drive blanking plate to move downward by controlling electric push rod, to make the bone plate after bending leak from the inside of material taking opening, to conveniently take bone plate quickly, increase bending efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a kind of craniomaxillofacial bone plate bending processing equipment whole schematic view under unused state;

[0022] Figure 2 It is the position schematic view of limit block on blanking plate;

[0023] Figure 3 It is the installation explosion drawing of cylinder, first bending mould and bolt;

[0024] Figure 4 It is the installation explosion drawing of frame, second bending mould and connecting screw on base;

[0025] Figure 5 It is the position schematic view of frame, blanking hole, support plate, top plate and screw hole on base.

[0026] In the figure: 1, base; 2, placing frame; 3, air cylinder; 4, first bending die; 5, second bending die; 6, support plate; 7, top plate; 8, threaded hole; 9, threaded column; 10, pressing plate; 11, hand wheel; 12, sliding block; 13, sliding hole; 14, plug-in column; 15, plug-in slot; 16, bolt; 17, insertion slot; 18, pulling block; 19, first spring; 20, mounting block; 21, mounting slot; 22, connecting hole; 23, connecting screw; 24, material taking opening; 25, blanking plate; 26, support column; 27, base; 28, electric push rod; 29, limiting block; 30, twisting block; 31, external block. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0030] Please refer to Figures 1-5 A craniomaxillofacial bone plate bending processing equipment, including base 1, the upper end surface of base 1 is fixedly provided with placing frame 2, the outer wall of placing frame 2 is provided with air cylinder 3, the output end of air cylinder 3 is provided with first bending die 4, one side of first bending die 4 and located inside placing frame 2 is movably provided with second bending die 5, the upper end surface of base 1 and located on both sides is fixedly provided with support plate 6, the upper end surface of support plate 6 is provided with top plate 7, the middle position of top plate 7 is provided with threaded hole 8, the inside of threaded hole 8 is provided with threaded column 9, the lower end of threaded column 9 passes through top plate 7 and is rotatably provided with pressing plate 10, the upper end is fixedly provided with hand wheel 11, both ends of pressing plate 10 are provided with sliding block 12, the outer wall of support plate 6 is correspondingly provided with sliding hole 13, sliding block 12 is slidably installed with sliding hole 13, the outer wall of first bending die 4 is provided with plug-in column 14, the output end of air cylinder 3 is correspondingly provided with plug-in slot 15, plug-in column 14 is located inside plug-in slot 15.

[0031] The output end of the air cylinder 3 is movably provided with a plug 16, the lower end of the plug 16 extends into the plug slot 15, a plug slot 17 is correspondingly formed on the outer wall of the plug-in column 14, the lower end of the plug 16 is located in the plug slot 17, the upper end of the plug 16 is fixedly provided with a pull block 18, the first spring 19 is fixedly arranged between the pull block 18 and the output end of the air cylinder 3, both ends of the second bending die 5 are provided with mounting blocks 20, mounting grooves 21 are correspondingly formed on the inner wall of the placing frame 2, the mounting blocks 20 are located in the mounting grooves 21, connecting holes 22 are correspondingly formed on the outer walls of the two sides of the placing frame 2 and the mounting blocks 20, connecting screws 23 are arranged in the connecting holes 22, and the connecting screws 23 are fixedly provided with twisting blocks 30 at one end.

[0032] More specifically, the user can put the craniofacial bone plate into the placing frame 2, then control the air cylinder 3 to move the first bending die 4 to press the bone plate onto the outer wall of the second bending die 5, thereby realizing the bending effect, the user can also pull the pull block 18 to make the plug 16 disengage from the plug slot 17, at this time, the plug-in column 14 can be taken out from the inside of the plug-in slot 15 to replace the first bending die 4, the connecting screw 23 can also be disassembled by the twisting block 30 to take out the second bending die 5 from the inside of the placing frame 2 to replace the second bending die 5, so as to bend the craniofacial bone plate into different shapes and increase flexibility.

[0033] Please refer to Figure 1 , Figure 2 and Figure 5 , as an embodiment for conveniently taking the bent bone plate: a material taking opening 24 is formed on the bottom of the placing frame 2 and on the base 1, a discharging plate 25 is movably arranged in the material taking opening 24, support columns 26 are arranged on the lower end surface of the base 1 and on the four corners, a base 27 is arranged on the lower end of the support column 26, electric push rods 28 are arranged on the upper end surface of the base 27 and on both sides, the output ends of the electric push rods 28 are fixedly connected with the lower end surface of the discharging plate 25, limit blocks 29 are fixedly arranged on the lower end surface of the discharging plate 25 and on both sides, and the upper end surfaces of the limit blocks 29 are in contact with the lower end surface of the base 1.

[0034] Specifically, after the bending process is completed, the user can control the electric push rod 28 to drive the discharging plate 25 to move downward, so that the bent bone plate leaks out from the inside of the material taking opening 24, thereby conveniently taking the bone plate quickly and increasing the bending efficiency.

[0035] Please refer to Figure 1 , as a further embodiment for fixing the device to the outside world: external blocks 31 are fixedly arranged on the two side surfaces of the base 27.

[0036] Specifically, the user can fix the processing equipment with the outside world through the external block 31.

[0037] In summary, the overall device in use: the user can first put the craniofacial bone plate into the placement frame 2, then rotate the hand wheel 11 to make the pressing plate 10 move down, so as to tightly fix the upper end of the bone plate, then control the air cylinder 3 to make the first bending die 4 move, so as to press the bone plate to the outer wall of the second bending die 5, and then realize the bending effect, the user can also pull the pull block 18 to make the bolt 16 disengage from the slot 17, at this time, the plug-in column 14 can be taken out from the inside of the plug-in slot 15, so as to replace the first bending die 4, and the second bending die 5 can also be taken out from the inside of the placement frame 2 by screwing the block 30 to disassemble the connecting screw 23, so as to replace the second bending die 5, so as to bend the craniofacial bone plate into different shapes, increase flexibility, after processing, the output end of the electric push rod 28 can drive the discharging plate 25 to move down, so that the bent bone plate leaks from the inside of the material taking port 24, and then the bone plate can be quickly taken, and the bending efficiency is improved.

[0038] The other parts not described in the utility model belong to the prior art, so they are not described here.

[0039] In all the above-mentioned schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection methods, which are not described one by one. In the above, whenever there is a fixed connection, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A craniofacial bone plate bending apparatus comprising a base (1), characterized in that: The upper end surface of the base (1) is fixedly provided with a placing frame (2), an air cylinder (3) is arranged on the outer wall of the placing frame (2), a first bending die (4) is arranged at the output end of the air cylinder (3), a second bending die (5) is movably arranged on one side of the first bending die (4) and inside the placing frame (2), support plates (6) are fixedly arranged on the upper end surface of the base (1) and at both sides, a top plate (7) is arranged on the upper end surface of the support plate (6), a threaded hole (8) is formed in the middle position of the top plate (7), a threaded column (9) is arranged in the threaded hole (8), a pressing plate (10) is rotatably arranged at the lower end of the threaded column (9) and penetrates through the top plate (7), a hand wheel (11) is fixedly arranged at the upper end of the threaded column (9), sliding blocks (12) are arranged at both ends of the pressing plate (10), sliding holes (13) are formed in the outer wall of the support plate (6) and correspond to each other, the sliding blocks (12) are slidably arranged in the sliding holes (13), an insertion column (14) is arranged on the outer wall of the first bending die (4), an insertion groove (15) is formed in the output end of the air cylinder (3) and corresponds to the insertion column (14), and the insertion column (14) is arranged in the insertion groove (15).

2. The craniofacial bone plate bending apparatus according to claim 1, wherein: A latch (16) is movably arranged at the output end of the air cylinder (3), the lower end of the latch (16) extends into the insertion groove (15), an insertion slot (17) is formed in the outer wall of the insertion column (14) and corresponds to the lower end of the latch (16), the lower end of the latch (16) is arranged in the insertion slot (17), a pulling block (18) is fixedly arranged at the upper end of the latch (16), and a first spring (19) is fixedly arranged between the pulling block (18) and the output end of the air cylinder (3).

3. The craniofacial bone plate bending apparatus according to claim 2, wherein: Mounting blocks (20) are arranged at both ends of the second bending die (5), mounting grooves (21) are formed in the inner wall of the placing frame (2) and correspond to the mounting blocks (20), the mounting blocks (20) are arranged in the mounting grooves (21), and connecting holes (22) are formed in the outer walls of the placing frame (2) and the mounting blocks (20) and correspond to each other.

4. The craniofacial bone plate bending apparatus according to claim 1, wherein: A material taking opening (24) is formed in the bottom of the placing frame (2) and above the base (1), a discharging plate (25) is movably arranged in the material taking opening (24), support columns (26) are arranged at the lower end surface of the base (1) and at four corners, and a base (27) is arranged at the lower end of each support column (26).

5. The craniofacial bone plate bending apparatus according to claim 4, wherein: Electric push rods (28) are arranged at the upper end surface of the base (27) and at both sides, and the output ends of the electric push rods (28) are fixedly connected with the lower end surface of the discharging plate (25).

6. The craniofacial bone plate bending apparatus according to claim 4, wherein: Limiting blocks (29) are fixedly arranged at the lower end surface of the discharging plate (25) and at both sides, and the upper end surfaces of the limiting blocks (29) are in contact with the lower end surface of the base (1).

7. The craniofacial bone plate bending apparatus according to claim 3, wherein: One end of each connecting screw (23) is fixedly provided with a screwing block (30).

8. The craniofacial bone plate bending apparatus according to claim 4, wherein: External connecting blocks (31) are fixedly arranged at both sides of the base (27).