CN219581419U - Bone plate bending device - Google Patents
Bone plate bending device Download PDFInfo
- Publication number
- CN219581419U CN219581419U CN202320127521.8U CN202320127521U CN219581419U CN 219581419 U CN219581419 U CN 219581419U CN 202320127521 U CN202320127521 U CN 202320127521U CN 219581419 U CN219581419 U CN 219581419U
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- bone plate
- die holder
- bending
- positioning
- punch
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Abstract
The utility model discloses a bone plate bending device, and belongs to the technical field of medical appliances. Bone plate bending device includes: a first die holder and a second die holder; a punch, which is arranged on the first die holder and is used for stamping and forming the bone plate; the two rotating blocks are both rotatably arranged on the second die holder, and the free ends of the two rotating blocks can be mutually separated from each other to mutually spliced under the pressure action of the punch; the bending cavity is arranged at the free end of the rotating block, and when the two rotating blocks are mutually spliced, the two bending cavities form a cavity for bending the bone plate; the reset assembly is used for connecting the two rotating blocks with the second die holder, and can enable the two rotating blocks to return to the state that the free ends of the two rotating blocks are far away from each other. According to the bone plate bending device disclosed by the utility model, the bending cavity can be spliced through the rotating block, and when the punch is used for punching the bone plate, the bone plate is provided with a complete cavity support, so that the bending quality of the bone plate can be ensured.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a bone plate bending device.
Background
The rib plate is a fixing plate for realizing rib coaptation, and comprises a main body and bone claws at two sides of the main body, wherein the main body of the rib plate is required to have a radian which is suitable for the rib plate because the rib has a certain radian. At present, the bending rib plate with the required radian can be formed by manually bending by tools such as elbow pliers. However, the current manual bending has higher requirements on operators and high processing difficulty, and the processing consistency is difficult to obtain.
Disclosure of Invention
The utility model provides a bone plate bending device for solving the problems in the prior art, and aims to provide a bone plate bending device for bending and shaping a bone plate, so that the processing time is shortened, the processing cost is reduced, and the processing consistency is ensured.
In order to achieve the above object, the present utility model provides
A bone plate bending device comprising: a first die holder and a second die holder;
the punch is arranged on the first die holder and is used for stamping and forming the bone plate;
the two rotating blocks are both rotatably arranged on the second die holder, and the free ends of the two rotating blocks can be mutually separated from and rotated to be mutually spliced under the pressure action of the punch;
the bending cavity is arranged at the free end of the rotating block, and when the two rotating blocks are mutually spliced, the two bending cavities form a cavity for bending the bone plate;
the number of the reset components is two, the reset components are respectively used for connecting the two rotating blocks with the second die holder, and the reset components can enable the two rotating blocks to return to the state that the free ends of the two rotating blocks are far away from each other.
As a preferable scheme of the bone plate bending device, the reset assembly comprises a reset bolt and a compression spring, wherein the reset bolt penetrates through the second die holder and is in threaded connection with the rotating block, and the compression spring is sleeved on the reset bolt and is abutted to the second die holder.
As an optimized scheme of the bone plate bending device, the rotating block comprises a rotating shaft and a clamping block, the rotating shaft is connected with the clamping block, the rotating shaft is hinged with the second die holder, and the top of the clamping block is provided with the bending cavity.
As a preferable scheme of the bone plate bending device, the two bending cavities are of a stepped groove structure, the stepped groove structure comprises a preset groove and a bending groove, and the preset groove is used for placing the bone plate before bending; the bending groove is used for being matched with the punch to bend the bone plate.
As a preferred scheme of the bone plate bending device, each clamping block is provided with a positioning hole, a positioning sliding column is arranged in each positioning hole in a penetrating manner, at least part of the positioning sliding column protrudes out of the bending cavity and is used for positioning two sides of the bone plate, and the positioning sliding column can move along the stamping direction of the punch together with the bone plate under the pressure action of the punch.
As a preferable scheme of the bone plate bending device, the bone plate bending device further comprises a base plate, wherein the base plate is arranged at one end, far away from the punch, of the second die holder, and an elastic piece is connected between the positioning sliding column and the base plate.
As a preferred scheme of the bone plate bending device, two positioning grooves are formed in the second die holder and are communicated with the positioning holes in a one-to-one correspondence mode, the inner diameter of each positioning groove is larger than that of each positioning hole, a stepped surface is formed between each positioning groove and each positioning hole, a flange is arranged at one end, away from the bending cavity, of each positioning sliding column, and the flange can be abutted to the stepped surface.
As a preferable scheme of the bone plate bending device, one end of the positioning slide column, which is far away from the bending cavity, is provided with a chute, the backing plate is provided with a clamping groove, and two ends of the elastic piece are respectively abutted with the bottom wall of the chute and the bottom wall of the clamping groove.
As a preferable mode of the bone plate bending device, the punch is detachably mounted on the first die holder, and the rotating block is detachably mounted on the second die holder.
As a preferable scheme of the bone plate bending device, the first die holder is fixedly provided with a guide post, the second die holder is provided with a guide groove corresponding to the guide post, and the guide post is slidably arranged in the guide groove.
According to the bone plate bending device, the bending cavity can be spliced through the rotating block, when the punch is used for punching the bone plate, the bone plate is supported by the complete cavity, so that the bending quality of the bone plate can be ensured, meanwhile, the bone plate bending device is used for bending through punching by the punch, the efficiency is improved, and the processing consistency can be ensured.
Drawings
FIG. 1 is a schematic diagram of a bone plate bending device according to an embodiment of the present utility model;
FIG. 2 is a top view of a bone plate bending device according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken along the direction A-A of the bone plate bending device of FIG. 2;
fig. 4 is a schematic view of a structure of a punch of the bone plate bending device according to an embodiment of the present utility model when the punch is pressed to the lowest point.
Wherein: 1. a first die holder; 2. a second die holder; 3. a punch; 4. a rotating block; 5. a bending cavity; 6. a reset assembly; 7. positioning a sliding column; 8. a backing plate;
11. a guide post;
21. a positioning groove;
41. a rotating shaft; 42. clamping blocks; 421. positioning holes;
51. presetting a groove; 52. a bending groove;
61. a reset bolt; 62. a compression spring;
71. a flange; 72. a chute;
81. a clamping groove; 82. an elastic member.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples:
referring to fig. 1-4, the present embodiment provides a bone plate bending device comprising a first die holder 1, a second die holder 2, a punch 3, a rotating block 4, a bending cavity 5 and a reduction assembly 6. The punch 3 is arranged on the first die holder 1 for punch forming the bone plate. The two rotating blocks 4 are both rotatably arranged on the second die holder 2, and the free ends of the two rotating blocks 4 can be mutually separated from each other to mutually splice under the pressure action of the punch 3. The bending cavity 5 is arranged at the free end of the rotating block 4, and when the two rotating blocks 4 are mutually spliced, the two bending cavities 5 form a cavity for bending the bone plate.
The bone plate bending device of this embodiment can make the chamber of buckling 5 amalgamate through rotatory piece 4, and when the drift 3 carries out punching press bone plate, the bone plate has complete die cavity to support, can guarantee bone plate bending quality, and this bone plate bending device bends through the punching press of drift 3 simultaneously, raises the efficiency to can guarantee the uniformity of processing.
In this embodiment, the number of the reset assemblies 6 is two, and the reset assemblies 6 are respectively used for connecting the two rotating blocks 4 with the second die holder 2, and the reset assemblies 6 can enable the two rotating blocks 4 to return to the state that the free ends of the two rotating blocks 4 are mutually far away from each other, so that preparation can be made for the next punching press.
As shown in fig. 3, in the present embodiment, the reset assembly 6 includes a reset bolt 61 and a compression spring 62, the reset bolt 61 is threaded through the second die holder 2 and is connected with the rotating block 4, and the compression spring 62 is sleeved on the reset bolt 61 and abuts against the second die holder 2. Since the compression spring 62 is in a compressed state, when the punch 3 does not press the bone plate, the two rotating blocks 4 are abutted against the second die holder 2 and kept in a state that the free ends are away from each other. Specifically, a stepped hole is formed in the second die holder 2 for the reset assembly 6 to penetrate, the stepped hole is formed by two waist-shaped holes, and the longer direction of the waist-shaped holes is arranged along the up-down direction, so that enough space can be provided for the reset assembly 6 to move when connected with the rotating block 4. The compression spring 62 of the return assembly 6 can abut against the stepped surface in the stepped hole.
In this embodiment, the rotating block 4 includes a rotating shaft 41 and a clamping block 42, the rotating shaft 41 is connected with the clamping block 42, and is specifically in an integral structure, the rotating shaft 41 is hinged with the second die holder 2, the clamping block 42 is in a cuboid structure, and a bending cavity 5 is arranged at the top of the clamping block 42.
As shown in fig. 1 and fig. 4, the two bending cavities 5 are of a stepped groove structure, the stepped groove structure comprises a preset groove 51 and a bending groove 52, and the preset groove 51 is used for placing a bone plate before bending; the bending groove 52 is used for bending the bone plate in cooperation with the punch 3.
In this embodiment, the bone plate is a rib plate, and opposite grooves are formed on two sides of the bone plate. The locating holes 421 are formed in each clamping block 42, the locating slide columns 7 penetrate through the locating holes 421, at least part of the locating slide columns 7 protrude out of the bending cavities 5 and are used for locating grooves on two sides of a bone plate, the locating slide columns 7 can move along the stamping direction of the punch 3 together with the bone plate under the pressure action of the punch 3, and locating of the bone plate can be achieved in the stamping process.
As shown in fig. 3, the bone plate bending device of the present embodiment further includes a backing plate 8, the backing plate 8 is disposed at one end of the second die holder 2 away from the punch 3, and an elastic member 82 is connected between the positioning slide 7 and the backing plate 8.
The second die holder 2 is provided with two positioning grooves 21, the positioning grooves 21 are communicated with the positioning holes 421 in a one-to-one correspondence manner, the inner diameter of each positioning groove 21 is larger than that of each positioning hole 421, a stepped surface is formed between each positioning groove 21 and each positioning hole 421, one end, far away from the bending cavity 5, of each positioning slide column 7 is provided with a flange 71, and the flanges 71 can be abutted to the stepped surfaces and used for limiting the moving position of the corresponding positioning slide column 7.
The one end that the location traveller 7 kept away from the chamber of buckling 5 is equipped with spout 72, is equipped with draw-in groove 81 on the backing plate 8, and the both ends of elastic component 82 respectively with the diapire of spout 72 and the diapire butt of draw-in groove 81.
Further, the elastic member 82 is a compression spring.
The punch 3 is detachably mounted on the first die holder 1, and the rotary block 4 is detachably mounted on the second die holder 2, so that the punch 3 and the rotary block 4 can be replaced to realize stamping of bone plates in different forms.
The first die holder 1 is fixedly provided with a guide post 11, the second die holder 2 is provided with a guide groove corresponding to the guide post 11, and the guide post 11 is slidably mounted in the guide groove, so that the relative movement between the first die holder 1 and the second die holder 2 is kept stable.
In the present embodiment, the first die holder 1 and the second die holder 2 are an upper die holder and a lower die holder, respectively, and the upper and lower positions of the first die holder 1 and the second die holder 2 can be interchanged according to the specific situation.
When the bone plate bending device is used for bending, firstly, the bone plate is placed on the preset grooves 51 of the two clamping blocks 42, so that the positioning slide posts 7 of the two clamping blocks 42 are clamped in the grooves on two sides of the bone plate, and the bone plate can be prevented from moving; then, as shown in fig. 4, the first die holder 1 drives the punch 3 to move downwards along the guide post 11 to the bone plate, the punch 3 can enable the positioning slide post 7 and the bone plate to move downwards, the elastic piece 82 is compressed, the two clamping blocks 42 rotate around the rotation shaft 41 and approach each other, the compression spring of the reset assembly 6 is shortened, the two bending cavities 5 are abutted to form a cavity for bending the bone plate, and the bone plate is attached to the cavity to complete bending forming of the bone plate; finally, the punch 3 is separated from the bone plate, the elastic member 82 moves the positioning slide 7 upward until the flange abuts against the stepped surface, and the compression spring expands to rotate the clamp block 42 to the initial position.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A bone plate bending device, comprising: a first die holder (1) and a second die holder (2);
a punch (3) arranged on the first die holder (1) for stamping the bone plate;
the two rotating blocks (4) are both rotatably arranged on the second die holder (2), and the free ends of the two rotating blocks (4) can be mutually separated from each other to mutually spliced under the pressure action of the punch (3);
the bending cavity (5) is arranged at the free end of the rotating block (4), and when the two rotating blocks (4) are mutually combined, the two bending cavities (5) form a cavity for bending the bone plate;
the number of the reset components (6) is two, the reset components are respectively used for connecting the two rotating blocks (4) with the second die holder (2), and the reset components (6) can enable the two rotating blocks (4) to recover to the state that the free ends of the two rotating blocks (4) are far away from each other.
2. The bone plate bending device according to claim 1, wherein the reduction assembly (6) comprises a reduction bolt (61) and a compression spring (62), the reduction bolt (61) is threaded through the second die holder (2) and is in threaded connection with the rotating block (4), and the compression spring (62) is sleeved on the reduction bolt (61) and abuts against the second die holder (2).
3. The bone plate bending device according to claim 1, wherein the rotating block (4) comprises a rotating shaft (41) and a clamping block (42), the rotating shaft (41) is connected with the clamping block (42), the rotating shaft (41) is hinged with the second die holder (2), and the top of the clamping block (42) is provided with the bending cavity (5).
4. A bone plate bending device according to claim 1 or 3, characterized in that both bending cavities (5) are of a stepped groove structure comprising a pre-groove (51) and a bending groove (52), the pre-groove (51) being used for placing the bone plate before bending; the bending groove (52) is used for being matched with the punch (3) to bend the bone plate.
5. A bone plate bending device according to claim 3, wherein each clamping block (42) is provided with a positioning hole (421), a positioning slide column (7) is arranged in each positioning hole (421) in a penetrating manner, the positioning slide column (7) is at least partially protruded in the bending cavity (5) and used for positioning two sides of a bone plate, and the positioning slide column (7) can move together with the bone plate along the stamping direction of the punch (3) under the pressure of the punch (3).
6. The bone plate bending device according to claim 5, further comprising a backing plate (8), wherein the backing plate (8) is arranged at one end of the second die holder (2) away from the punch (3), and an elastic element (82) is connected between the positioning slide (7) and the backing plate (8).
7. The bone plate bending device according to claim 6, wherein two positioning grooves (21) are formed in the second die holder (2), the positioning grooves (21) are communicated with the positioning holes (421) in a one-to-one correspondence mode, the inner diameter of each positioning groove (21) is larger than that of each positioning hole (421), a stepped surface is formed between each positioning groove (21) and each positioning hole (421), a flange (71) is arranged at one end, far away from the bending cavity (5), of each positioning slide column (7), and the flanges (71) can be abutted to the stepped surfaces.
8. The bone plate bending device according to claim 6, wherein a chute (72) is arranged at one end of the positioning slide column (7) far away from the bending cavity (5), a clamping groove (81) is arranged on the backing plate (8), and two ends of the elastic piece (82) are respectively abutted against the bottom wall of the chute (72) and the bottom wall of the clamping groove (81).
9. The bone plate bending device according to claim 1, wherein the punch (3) is detachably mounted to the first die holder (1) and the rotary block (4) is detachably mounted to the second die holder (2).
10. The bone plate bending device according to claim 1, characterized in that the first die holder (1) is fixedly provided with a guide post (11), the second die holder (2) is provided with a guide groove corresponding to the guide post (11), and the guide post (11) is slidably mounted in the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127521.8U CN219581419U (en) | 2023-01-18 | 2023-01-18 | Bone plate bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127521.8U CN219581419U (en) | 2023-01-18 | 2023-01-18 | Bone plate bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219581419U true CN219581419U (en) | 2023-08-25 |
Family
ID=87696578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320127521.8U Active CN219581419U (en) | 2023-01-18 | 2023-01-18 | Bone plate bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219581419U (en) |
-
2023
- 2023-01-18 CN CN202320127521.8U patent/CN219581419U/en active Active
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