Frog peeling device
By designing a frog skin peeling device including a clamping assembly and a sliding assembly, the problem of high labor intensity and low efficiency of frog skin removal operations in the prior art is solved, and a simple and efficient separation effect of frog skin and frog meat is achieved.
Patent Information
- Application Number
- CN202421904801.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-07
AI Technical Summary
In the prior art, bullfrogs and other frogs have high labor intensity and low peeling efficiency, and require manual cutting and manual tearing of the skin through a knife.
A frog-like peeling device is designed, including a fixing frame, an operating plate, a first clamping assembly and a second clamping assembly. Automatic separation of frog skin and frog meat is achieved by clamping the frog skin and frog meat and separating it with sliding components.
This device makes the separation operation of frog skin and frog meat simple, the labor intensity is small, and the peeling efficiency is high, and it is suitable for large-scale promotion.
Smart Images
Figure CN222982354U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of frog processing, and particularly relates to a frog skinning device. Background Art
[0002] At present, a series of frogs such as bullfrogs and frogs have gradually come into people's view in the market and become people's food products. Their meat is tender, delicious, rich in nutrition, and has certain medicinal value.
[0003] At present, before economic frogs such as bullfrogs and frogs are eaten, they often need to be skinned. The functions of frog meat and frog skin are different. Frog meat is a top-quality delicious food and a high-grade health-care medicinal diet, and it also has the effect of nourishing and detoxifying. Surgical patients can promote wound healing by eating it, etc. Frog skin is a high-quality musical instrument material, a top-grade leather-making raw material, and can also be refined into high-grade glue. At present, the skinning operation of bullfrogs, etc. is mainly carried out manually. The frog epidermis is cut with a knife or the frog head is cut off to form an incision, and then after the incision is manually expanded, one hand holds the frog meat tightly and the other hand holds the frog skin tightly and tears it. The labor intensity is high and the skinning efficiency is low. Summary of the Utility Model
[0004] Based on this, the purpose of the utility model is to provide a frog skinning device to solve the problems existing in the prior art.
[0005] The utility model provides a frog skinning device, which includes a fixing frame. An operation board is arranged on the fixing frame. An installation area is opened on the operation board. A first clamping component is arranged on one side of the installation area. The first clamping component is fixedly connected to the surface of the operation board. The first clamping component includes a first separating column and a first pressing member that slides relative to the first separating column. The first separating column and the first pressing member cooperate to clamp the frog skin or frog meat. A first sliding component is arranged below the installation area. The first sliding component is fixedly connected to the bottom of the operation board. A second clamping component is arranged on the first sliding component. The second clamping component includes a second separating column and a second pressing member that slides relative to the second separating column. The second separating column and the second pressing member cooperate to clamp the frog meat or frog skin. The first separating column and the second separating column are arranged oppositely to separate the clamped frog meat and frog skin parts. The second clamping component slides relative to the first sliding component to completely separate the clamped frog meat and frog skin to complete the skinning operation.
[0006] The beneficial effects of the present utility model are as follows: The frog skinning device provided by the present utility model includes a fixing frame, on which an operation board is provided. An installation area is formed on the operation board. On one side of the installation area, a first clamping assembly is provided. Below the installation area, a first sliding assembly is provided, which is fixedly connected to the bottom of the operation board. A second clamping assembly is arranged on the first sliding assembly. During use, only the operation of sleeving the incision needs to be completed. The frog skin and frog meat are respectively clamped by the two clamping assemblies, and then the two clamping assemblies slide relative to each other and separate, so that the frog skin and frog meat can be separated. The operation is simple, the labor intensity is small, and the skinning efficiency is high, which is suitable for large-scale promotion.
[0007] Preferably, the first clamping assembly further includes a first fixing plate and a first fixing block fixedly connected to the operation board. A first auxiliary cylinder is arranged on the first fixing plate, and the telescopic shaft of the first auxiliary cylinder is fixedly connected to the first pressing member to adjust the relative position of the first pressing member and the first separating column. A separating column support block is arranged at the bottom of the first separating column, and the separating column support block is slidably connected to the first fixing block.
[0008] Preferably, the first sliding assembly includes symmetrically arranged connecting blocks. The two connecting blocks are respectively arranged on both sides of the installation area and fixedly connected to the bottom of the operation board. A plurality of first sliding rods are arranged between the two connecting blocks, and a first sliding block slidably connected to the first sliding rod is sleeved on the first sliding rod.
[0009] Preferably, the second clamping assembly further includes a support block. The bottom of the support block is fixedly connected to the first sliding block. On both sides of the top of the support block, a second fixing plate and a second fixing block are respectively fixedly connected. A second auxiliary cylinder is arranged on the second fixing plate, and the telescopic shaft of the second auxiliary cylinder is fixedly connected to the second pressing member to adjust the relative position of the second pressing member and the second separating column. The second separating column is fixed on the second fixing block.
[0010] Preferably, the bottom sizes of both the first separating column and the second separating column are larger than the top sizes. The end faces of the first separating column and the second separating column close to each other are vertical end faces, and the end faces of the first separating column and the second separating column far from each other are inclined end faces.
[0011] Preferably, first anti-slip protrusions are arranged on the end face of the first pressing member close to the first separating column and on the end face of the second pressing member close to the second separating column.
[0012] Preferably, a separating component is fixedly arranged on one side of the fixing frame, and the separating component is used to separate the separated frog skin and frog meat and transport them to a designated position.
[0013] Preferably, the separation component includes a support frame fixedly connected to the fixed frame. A second sliding component is fixedly connected to the support frame, and two picking and placing components are arranged on the second sliding component. The two picking and placing components are respectively used for clamping the separated frog skin and frog meat.
[0014] Preferably, the second sliding component includes a second sliding rod arranged on the support frame. A second slider is slidably connected to the second sliding rod. A sliding cylinder is fixedly connected to the second slider. The end of the telescopic shaft of the sliding cylinder is fixedly connected to a sliding plate. The bottom of the sliding plate is slidably connected to the top of the sliding cylinder. A support plate is fixedly arranged on the sliding plate. The support plate includes two symmetrically arranged support areas, and the two picking and placing components are respectively fixed on the two support areas.
[0015] Preferably, the picking and placing component includes a picking and placing motor fixedly connected to the support area. A rotating block is rotatably connected to the output end of the picking and placing motor. A chute is arranged on the rotating block, and a clamping hand is slidably arranged in the chute. The clamping hand includes two relatively arranged clamping blocks, and second anti-slip protrusions are arranged on the opposite surfaces of the two clamping blocks.
[0016] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings
[0017] Figure 1 is a schematic structural diagram of the frog skinning device provided by the present utility model;
[0018] Figure 2 is Figure 1 a schematic structural diagram from another perspective;
[0019] Figure 3 is Figure 1 a schematic structural diagram of the mounting component on the operation board in;
[0020] Figure 4 is Figure 1 a schematic connection structure diagram of the first clamping component, the first sliding component, and the second clamping component in;
[0021] Figure 5 is Figure 1 a schematic structural diagram of the separation component in;
[0022] Figure 6 is Figure 5 a schematic structural diagram of the picking and placing component in.
[0023] Main Component Symbol Explanation:
[0024] 10. Fixed frame; 11. Operation panel; 12. Installation area; 13. Deflector; 14. Collection basket; 15. Storage basket; 16. Universal wheel; 20. First clamping assembly; 21. First separation column; 211. Separation column support block; 22. First pressing member; 23. First fixing plate; 24. First auxiliary cylinder; 25. First fixing block; 26. First anti-slip protrusion; 30. First sliding assembly; 31. Connecting block; 32. Main cylinder; 33. First sliding rod; 34. First slider; 40. Second clamping assembly; 41. Second separation column; 42. Second pressing member; 43. Support block; 44. Second fixing plate; 45. Second auxiliary cylinder; 46. Second fixing block; 50. Detachment assembly; 51. Support frame; 52. Second sliding assembly; 521. Second sliding rod; 522. Second slider; 523. Sliding cylinder; 524. Slide plate; 525. Support plate; 526. Support area; 53. Pick-and-place component; 531. Pick-and-place motor; 532. Rotating block; 533. Chute; 534. Clamping block; 535. Second anti-slip protrusion.
[0025] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. Specific embodiments
[0026] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0029] Embodiment 1
[0030] As Figures 1 to 6As shown in the figure, a frog skinning device is used to remove the skin of a frog whose head has been removed. The frog can be a bullfrog or a frog, etc. In this embodiment, a frog is used for illustration, and other frogs such as bullfrogs are similar. The skinning device includes a fixing frame 10. An operation board 11 is provided on the fixing frame 10. An installation area 12 is opened on the operation board 11. A first clamping assembly 20 is provided on one side of the installation area 12. The first clamping assembly 20 is fixedly connected to the surface of the operation board 11. The first clamping assembly 20 includes a first separating column 21 and a first pressing member 22 that slides relative to the first separating column 21. The first separating column 21 and the first pressing member 22 cooperate to clamp the frog skin / frog meat. A first sliding assembly 30 is provided below the installation area 12. The first sliding assembly 30 is fixedly connected to the bottom of the operation board 11. A second clamping assembly 40 is provided on the first sliding assembly 30. The second clamping assembly 40 includes a second separating column 41 and a second pressing member 42 that slides relative to the second separating column 41. The second separating column 41 and the second pressing member 42 cooperate to clamp the frog meat / frog skin. The first separating column 21 and the second separating column 41 are arranged oppositely to separate the frog meat and frog skin parts that are respectively clamped. The second clamping assembly 40 slides relative to the first sliding assembly 30 to completely separate the frog meat and frog skin that are respectively clamped, so as to complete the skinning operation.
[0031] Optionally, in this embodiment, as Figure 1 shown, the first clamping assembly 20 is fixedly arranged on the left side of the upper surface of the operation board 11 for clamping the frog skin. The second clamping assembly 40 is fixedly arranged on the first sliding assembly 30 below the installation area 12 of the operation board 11 for clamping the frog meat. When in use, as Figure 2 shown, first separate the first separating column 21 and the first pressing member 22, and separate the second separating column 41 and the second pressing member 42. Slide the second clamping assembly 40 to the left so that the first separating column 21 and the second separating column 41 are close to each other. Then tear open the neck incision of the frog whose head has been removed and put it on the close first separating column 21 and second separating column 41, so that the neck incision expands, as Figure 4 shown. Then press the first separating column 21 and the first pressing member 22, and the second separating column 41 and the second pressing member 42. The first clamping assembly 20 clamps the frog skin, and the second clamping assembly 40 clamps the frog meat. Finally, slide the second clamping assembly 40 to the right so that the frog skin and frog meat respectively clamped by the first clamping assembly 20 and the second clamping assembly 40 are completely separated. Through the frog skinning device of this embodiment, only the operation of putting on the incision needs to be completed. Clamp the frog skin and frog meat respectively by the two clamping assemblies, and then let the two clamping assemblies slide relative to each other and separate, so that the frog skin and frog meat can be separated. The operation is simple, the labor intensity is small, and the skinning efficiency is high.
[0032] Optionally, in this embodiment, as Figure 4As shown, the first clamping assembly 20 further includes a first fixing plate 23 fixedly connected to the operation plate 11. A first auxiliary cylinder 24 is provided on the first fixing plate 23. The telescopic shaft of the first auxiliary cylinder 24 is fixedly connected to the first pressing member 22 to adjust the relative position between the first pressing member 22 and the first separating column 21. Preferably, the first clamping assembly 20 further includes a first fixing block 25 fixedly connected to the operation plate 11. A separating column support block 211 is provided at the bottom of the first separating column 21. The first fixing block 25 is slidably connected to the separating column support block 211.
[0033] Optionally, in this embodiment, the first auxiliary cylinder 24 is provided with a telescopic shaft that can telescopically move within the first auxiliary cylinder 24. The end of the telescopic shaft is fixedly connected to the first pressing member 22. The first auxiliary cylinder controls the telescopic movement of the telescopic shaft, thereby adjusting the distance between the first pressing member 22 and the first separating column 21 to achieve the clamping and loosening of the frog skin; the first separating column 21 is provided at the right edge of the separating column support block 211.
[0034] Optionally, as Figure 4 shown, the first sliding assembly 30 includes symmetrically arranged connecting blocks 31. Both connecting blocks 31 are fixedly connected to the bottom of the operation plate 11. A main cylinder 32 is provided on the connecting block. A plurality of first sliding rods 33 are provided between the two connecting blocks 31. A first slider 34 adapted to the first sliding rod 33 is sleeved on the first sliding rod 33; the main cylinder is used to push the first slider 34 to slide on the first sliding rod 33; the second clamping assembly 40 further includes a support block 43. The bottom of the support block 43 is fixedly connected to the first slider 34. A second fixing plate 44 is fixedly provided on one side of the top of the support block 43. A second auxiliary cylinder 45 is provided on the second fixing plate 44. The telescopic shaft of the second auxiliary cylinder 45 is fixedly connected to the second pressing member 42 to adjust the relative position between the second pressing member 42 and the second separating column 41. Preferably, a second fixing block 46 is provided on the other side of the top of the support block 43. The second fixing plate 44 and the second fixing block 46 are respectively provided at the two side edges of the support block 43. The second fixing block 46 is arranged close to the first fixing block 25; the second separating column 41 is provided at the edge of the second fixing block 46 away from the second pressing member 42.
[0035] Similarly, in this embodiment, the components in the second clamping assembly 40 are similar to those in the first clamping assembly 20, and the connection methods are also similar, which will not be elaborated here.
[0036] Further, needle-shaped first anti-slip protrusions 26 are provided on the end face of the first pressing member 22 close to the first separating column 21 and the end face of the second pressing member 42 close to the second separating column 41. The anti-slip protrusions can improve the fastening of clamping the frog meat and frog skin and prevent falling off; further, as Figure 5 and Figure 6As shown, the bottom sizes of the first separation column 21 and the second separation column 41 are both larger than the top sizes. The end faces of the first separation column 21 and the second separation column 41 that are close to each other are both vertical end faces, and the end faces of the first separation column 21 and the second separation column 41 that are far from each other are both inclined end faces. By setting the separation columns to be inclined and smaller at the top and larger at the bottom, it is beneficial to sleeving the frog on the separation column and reducing the sleeving resistance. Further, the tops of the first separation column 21 and the second separation column 41 are both arc-shaped; the end faces of the first separation column 21 and the second separation column 41 that are close to each other are both vertical end faces, which facilitates the two separation columns to be closely attached.
[0037] Optionally, a diversion cover 13 is provided at the bottom of the operation board 11, and a collection basket 14 is provided below the diversion cover 13. The collection basket 14 is used to collect the separated frog skins and frog meats; a storage basket 15 is also provided on the fixing frame 10, and the storage basket 15 is used to store the frogs to be processed. Universal wheels 16 are provided at the bottom of the fixing frame to facilitate the movement of the device.
[0038] Optionally, in this embodiment, as Figure 1 、 Figure 5 and Figure 6 shown, a detachment assembly 50 is fixedly provided on one side of the fixing frame 10. The detachment assembly 50 is used to transport the separated frog skins and frog meats to a designated position; the detachment assembly 50 includes a support frame 51 fixedly connected to the fixing frame 10, a second sliding assembly 52 is fixedly connected to the support frame 51, and two picking and placing components 53 are provided on the second sliding assembly 52. The two picking and placing components 53 are respectively used to clamp the separated frog skins and frog meats; the second sliding assembly 52 includes a second sliding rod 521 provided on the support frame 51, a second sliding block 522 is slidably connected to the second sliding rod 521, a sliding cylinder 523 is fixedly connected to the second sliding block 522, the end of the telescopic shaft of the sliding cylinder 523 is fixedly connected to a sliding plate 524, the bottom of the sliding plate 524 is slidably connected to the top of the sliding cylinder 523, and a support plate 525 is fixedly provided on the sliding plate 524. The support plate 525 includes two symmetrically arranged support areas 526, and the two picking and placing components 53 are respectively fixed on the two support areas 526. Specifically, the sliding direction of the second sliding block 522 relative to the second sliding rod 521 is parallel to the length direction of the operation board 11, that is, sliding left and right, so as to place the frog skins and frog meats picked up by the picking and placing components 53 at the designated position. The sliding direction of the sliding plate 524 relative to the top of the sliding cylinder 523 is parallel to the width direction of the operation board 11, that is, sliding back and forth, so as to drive the picking and placing components 53 to approach or move away from the frog skins and frog meats.
[0039] Further, the picking and placing component 53 includes a picking and placing motor 531 fixedly connected to the support area. A rotating block 532 rotatably connected to the output end of the picking and placing motor 531 is provided with a sliding groove 533. A clamping hand is slidably arranged in the sliding groove 533. The clamping hand includes two oppositely arranged clamping blocks 534. Second anti-slip protrusions 535 are provided on the opposite surfaces of the two clamping blocks 534. The clamping hand is formed by the two oppositely arranged clamping blocks 534 to clamp the separated frog skin and frog meat.
[0040] In summary, the frog skinning device provided by the present utility model includes a fixing frame 10. An operation board 11 is provided on the fixing frame 10. An installation area 12 is opened on the operation board 11. A first clamping component 20 is provided on one side of the installation area 12. A first sliding component 30 is provided below the installation area 12. The first sliding component 30 is fixedly connected to the bottom of the operation board 11. A second clamping component 40 is provided on the first sliding component 30. During use, first separate the first separation column 21 and the first pressing member 22, and separate the second separation column 41 and the second pressing member 42. Slide the second clamping component 40 to the left so that the first separation column 21 and the second separation column 41 are close to each other. Then tear open the neck incision of the frog with its head removed and put it on the close first separation column 21 and second separation column 41 to expand the neck incision. Then press the first separation column 21 and the first pressing member 22 and the second separation column 41 and the second pressing member 42. The first clamping component 20 clamps the frog skin, and the second clamping component 40 clamps the frog meat. Finally, slide the second clamping component 40 to the right so that the frog skin and frog meat respectively clamped by the first clamping component 20 and the second clamping component 40 are completely separated; through the frog skinning device of this embodiment, only the operation of setting the incision needs to be completed. Clamp the frog skin and frog meat respectively by the two clamping components, and then make the two clamping components slide relative to each other and separate, and the frog skin and frog meat can be separated. The operation is simple, the labor intensity is small, the skinning efficiency is high, and it is suitable for large-scale promotion.
[0041] It should be noted that the above implementation process is only to illustrate the feasibility of the present application, but this does not mean that the frog skinning device of the present application only has the above implementation process. On the contrary, as long as the frog skinning device of the present application can be implemented, it can be included in the feasible implementation solutions of the present application.
[0042] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0043] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.
Claims
1. A frog skinning device, characterized in that: It includes a fixing frame, an operating panel is provided on the fixing frame, an installation area is provided on the operating panel, a first clamping assembly is provided on one side of the installation area, the first clamping assembly is fixedly connected to the surface of the operating panel, the first clamping assembly includes a first separation column and a first pressing piece that slides relative to the first separation column, the first separation column and the first pressing piece cooperate to clamp the frog skin or frog meat, a first sliding assembly is provided below the installation area, the first sliding assembly is fixedly connected to the bottom of the operating panel, a second clamping assembly is provided on the first sliding assembly, the second clamping assembly includes a second separation column and a second pressing piece that slides relative to the second separation column, the second separation column and the second pressing piece cooperate to clamp the frog meat or frog skin, the first separation column and the second separation column are arranged relative to each other, and are used to partially separate the clamped frog meat and frog skin, and the second clamping assembly slides relative to the first sliding assembly, and is used to completely separate the clamped frog meat and frog skin to complete the skinning operation.
2. The frog skinning device according to claim 1, characterized in that: The first clamping assembly also includes a first fixed plate and a first fixed block fixedly connected to the operating plate, a first auxiliary cylinder is provided on the first fixed plate, a telescopic shaft of the first auxiliary cylinder is fixedly connected to the first clamping member to adjust the relative position of the first clamping member and the first separation column, a separation column support block is provided at the bottom of the first separation column, and the separation column support block is slidably connected to the first fixed block.
3. The frog skinning device according to claim 1, characterized in that: The first sliding assembly includes symmetrically arranged connecting blocks, wherein the two connecting blocks are respectively arranged on both sides of the installation area and fixedly connected to the bottom of the operating panel, and a plurality of first sliding rods are arranged between the two connecting blocks, and the first sliding rods are sleeved with first sliding blocks slidably connected thereto.
4. The frog skinning device according to claim 3, characterized in that: The second clamping assembly also includes a support block, the bottom of the support block is fixedly connected to the first sliding block, and the second fixed plate and the second fixed block are respectively fixedly connected on both sides of the top of the support block. A second auxiliary cylinder is provided on the second fixed plate, and the telescopic shaft of the second auxiliary cylinder is fixedly connected to the second clamping piece to adjust the relative position of the second clamping piece and the second separation column. The second separation column is fixed on the second fixed block.
5. The frog skinning device according to claim 1, characterized in that: The bottom dimensions of the first separation column and the second separation column are both larger than the top dimensions, the end faces of the first separation column and the second separation column that are close to each other are both vertical end faces, and the end faces of the first separation column and the second separation column that are away from each other are both inclined end faces.
6. The frog skinning device according to claim 1, characterized in that: A first anti-slip protrusion is provided on the end surface of the first pressing member close to the first separation column and the end surface of the second pressing member close to the second separation column.
7. The frog skinning device according to claim 1, characterized in that: A separation component is fixedly provided on one side of the fixing frame, and the separation component is used for separating the frog skin and frog meat after separation and transporting them to a designated location.
8. The frog skinning device according to claim 7, characterized in that: The detaching assembly comprises a supporting frame fixedly connected to the fixing frame, a second sliding assembly is fixedly connected to the supporting frame, and two picking and placing components are arranged on the second sliding assembly, and the two picking and placing components are respectively used to clamp the frog skin and frog meat after detachment.
9. The frog skinning device according to claim 8, characterized in that: The second sliding assembly includes a second sliding rod arranged on the supporting frame, a second sliding block is slidably connected to the second sliding rod, a sliding cylinder is fixedly connected to the second sliding block, a sliding plate is fixedly connected to the end of the telescopic shaft of the sliding cylinder, the bottom of the sliding plate is slidably connected to the top of the sliding cylinder, a supporting plate is fixedly provided on the sliding plate, the supporting plate includes two symmetrically arranged supporting areas, and the two picking and placing components are respectively fixed on the two supporting areas.
10. The frog skinning device according to claim 9, characterized in that: The picking and placing component includes a pick-up and discharge motor fixedly connected to the supporting area, the output end of the pick-up and discharge motor is provided with a rotating block rotatably connected thereto, the rotating block is provided with a slide groove, a clamp is slidably provided in the slide groove, the clamp includes two clamping blocks arranged opposite to each other, and second anti-slip protrusions are provided on the opposite surfaces of the two clamping blocks.