CN217772132U - Composite chopping board - Google Patents
Composite chopping board Download PDFInfo
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- CN217772132U CN217772132U CN202221762388.5U CN202221762388U CN217772132U CN 217772132 U CN217772132 U CN 217772132U CN 202221762388 U CN202221762388 U CN 202221762388U CN 217772132 U CN217772132 U CN 217772132U
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Abstract
The utility model relates to the technical field of bamboo wood processing, in particular to a composite chopping board, which comprises a first surface layer, a sandwich layer and a second surface layer which are sequentially stacked; the fiber distribution direction of the sandwich layer is perpendicular to the fiber distribution direction of the first surface layer and the second surface layer. The utility model discloses can reduce chopping block fracture risk, extension chopping block life.
Description
Technical Field
The utility model belongs to the technical field of the bamboo wood processing technique and specifically relates to indicate a compound chopping block.
Background
The chopping block that current adoption natural material made in market has the unstable problem of quality performance in the environment that changes futilely wet greatly, if the problem that the curved fracture of tile easily appears in the wet environment that changes of doing of full wood chopping block, the problem that the cementing layer ftractures easily appears in the wet environment that changes of doing of multilayer composite chopping block, directly influences the life and the use experience of chopping block.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a composite chopping block, which prolongs the service life of the bamboo chopping block.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a composite chopping block comprises a first surface layer, a sandwich layer and a second surface layer which are sequentially stacked;
the distribution direction of the fibers of the sandwich layer on the horizontal plane is mutually vertical to the distribution direction of the fibers of the first surface layer and the second surface layer on the horizontal plane.
Further, the sandwich layer comprises at least two sandwich bodies;
the sandwich bodies are sequentially arranged along the fiber distribution direction of the first surface layer, and gaps are formed between the adjacent sandwich bodies.
Further, the width of the gap is 0.6% -1% of the width of the sandwich layer.
Furthermore, the device also comprises a frame;
the frame encircles the setting of sandwich layer, just the frame presss from both sides and locates first surface course with between the second surface course.
Furthermore, the frame is connected with the sandwich layer through a mortise and tenon structure.
Furthermore, the tenon-and-mortise structures are distributed along the fiber distribution direction of the first surface layer.
Further, the frame and the sandwich layer are connected through fixing pins.
Further, the first surface layer and the second surface layer are both made of wood, and the sandwich layer is made of carbonized bamboo.
Furthermore, the ratio of the thickness of the first surface layer to the thickness of the sandwich layer is 0.23-0.43.
Further, the density of the first surface layer and the second surface layer is 0.9g/cm 3 -1.4g/cm 3 。
The beneficial effects of the utility model reside in that: through the range upon range of setting with fibre distribution direction mutually perpendicular's sandwich layer and first surface course and second surface course, constitute the three layer construction that fibre vertically and horizontally staggered set up, through sandwich layer to first surface course and second surface course applyed with the fibre distribution direction mutually perpendicular's of first surface course and second surface course effort, avoid first surface course and second surface course fracture, improve the whole anti bending deformation ability under the condition of dry-wet degree transform of chopping block, and then the life of extension chopping block.
Drawings
FIG. 1 is a schematic longitudinal section of a composite bamboo-wood chopping block along the distribution direction of the fibers of the sandwich layer in the first embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of the composite bamboo-wood chopping block of the present invention;
fig. 3 is a schematic longitudinal section of a composite bamboo chopping block along the distribution direction of the fibers of the sandwich layer in the second embodiment of the present invention.
Description of reference numerals:
1. a first facing;
2. a sandwich layer; 21. a sandwich body; 22. positioning a groove; 23. a tenon;
3. a second facing;
4. a frame; 41. a long edge strip; 42. short edge strips; 43. mortises;
5. and fixing the pin.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-3, a composite chopping board includes a first surface layer, a sandwich layer and a second surface layer sequentially stacked;
the distribution direction of the fibers of the sandwich layer on the horizontal plane is mutually vertical to the distribution direction of the fibers of the first surface layer and the second surface layer on the horizontal plane.
From the above description, the beneficial effects of the utility model reside in that: through the sandwich layer with fibre distribution direction mutually perpendicular with the range upon range of setting of first surface course and second surface course, constitute the three layer construction that fibre vertically and horizontally staggered set up, through the great produced tensile strength of following the line direction of sandwich layer to the first surface course with this sandwich layer contact, the first surface course of second surface course perpendicular to, the effort of second surface course fibre distribution direction, avoid first surface course and second surface course fracture, improve the whole anti bending deformation ability under the condition of dry-wet transform of chopping block, and then prolong the life of chopping block.
Further, the sandwich layer comprises at least two sandwich bodies;
the sandwich bodies are sequentially arranged along the fiber distribution direction of the first surface layer, and gaps are formed between the adjacent sandwich bodies.
According to the description, the sandwich bodies are arranged at intervals, so that deformation space is provided for the sandwich bodies when the sandwich bodies are subjected to wet expansion or dry shrinkage, the sandwich layers can be always kept consistent with the first surface layer and the second surface layer, and the conditions of internal bursting or surface cracking cannot occur.
Further, the width of the gap is 0.6% -1% of the width of the sandwich layer.
As can be seen from the description, in the width range, the good support of the first surface layer and the second surface layer can be ensured, the strength and the hardness of the whole structure of the chopping block can be ensured, and a deformation space can be provided for the sandwich body during wet expansion or dry shrinkage.
Furthermore, the device also comprises a frame;
the frame encircles the setting of sandwich layer, and the frame presss from both sides and locates between first surface course and the second surface course.
As can be seen from the above description, the frame is provided to fix the sandwich layer, so as to ensure the stability of the sandwich layer.
Furthermore, the frame is connected with the sandwich layer through a mortise and tenon structure.
According to the description, the frame is connected with the sandwich layer through the mortise and tenon structure, the use of the adhesive is reduced, the risk of cracking of the cementing layer is reduced, and the service life is prolonged.
Furthermore, the tenon-and-mortise structures are distributed along the fiber distribution direction of the first surface layer.
According to the description, the tenon-and-mortise structures are distributed along the fiber distribution direction of the first surface layer, so that the connection stability between the sandwich bodies is improved.
Further, the frame and the sandwich layer are connected through fixing pins.
As can be seen from the above description, the connection stability is improved by the fixed pin connection.
Further, the first surface layer and the second surface layer are both made of wood, and the sandwich layer is made of carbonized bamboo.
From the above description, it can be known that the high hardness of wood and the good toughness of bamboo are utilized to reduce the cracking risk of the chopping board while ensuring the hardness of the chopping board.
Furthermore, the ratio of the thickness of the first surface layer to the thickness of the sandwich layer is 0.23-0.43.
From the above description, in this thickness range, the expansion stress and the dry shrinkage stress between the sandwich layer and the two surface layers are always kept in the best balance state, so that the chopping board is flat and not easy to bend.
Further, the density of the first surface layer and the second surface layer is 0.9g/cm 3 -1.4g/cm 3 。
As can be seen from the above description, the first surface layer and the second surface layer with the density are adopted, so that the first surface layer and the second surface layer are in the optimal hardness range, and the structure of the chopping board is more stable.
Referring to fig. 1-2, a first embodiment of the present invention is:
a composite chopping block comprises a first surface layer 1, a sandwich layer 2 and a second surface layer 3; the first surface layer 1, the sandwich layer 2 and the second surface layer 3 are sequentially stacked; the distribution direction of the fibers of the sandwich layer 2 on the horizontal plane is mutually vertical to the distribution direction of the fibers of the first surface layer 1 and the second surface layer 3 on the horizontal plane; optionally, the first surface layer 1 and the second surface layer 3 are both made of wood, the sandwich layer 2 is made of carbonized bamboo, and the moisture content of the sandwich layer 2 is 8-16%.
In the present embodiment, the sandwich layer 2 includes at least two sandwich bodies 21; the sandwich bodies 21 are sequentially arranged along the fiber distribution direction of the first surface layer 1, and a gap a is formed between the adjacent sandwich bodies 21.
In the present embodiment, the width of the gap a is 0.6% to 1% of the width of the core layer 2. Preferably, the width of the gap a is 0.7%, 0.8% or 0.9% of the width of the core layer 2.
In this embodiment, the device further includes a frame 4; frame 4 encircles sandwich layer 2 and sets up, and frame 4 presss from both sides and locates between first surface course 1 and the second surface course 3. Wherein, frame 4 includes long strake 41 and short strake 42, and in this embodiment, long strake 41 distributes along the fibre distribution direction of first surface course 1, and short strake 42 distributes along the fibre distribution direction of sandwich layer 2, and in other equivalent embodiments, also can be short strake 42 and distribute along the fibre distribution direction of first surface course 1, and long strake 41 distributes along the fibre distribution direction of sandwich layer 2.
In this embodiment, frame 4 passes through fixed pin 5 with sandwich layer 2 in this embodiment to be connected, and fixed pin 5 distributes along the fibre distribution direction of first surface course 1, specifically does, offer respectively on sandwich layer 2 and frame 4 with fixed pin 5 assorted constant head tank 22, and fixed pin 5 inserts simultaneously and locates in the constant head tank 22 on sandwich layer 2 and frame 4 that fixed pin 5 runs through sandwich layer 2 and two short strake 42 settings promptly, and fixed pin 5 and constant head tank 22 interference fit. In other equivalent embodiments, in order to improve the aesthetic appearance of the cutting board, the core layer 2 may also be directly glued to the frame 4, and the fixing pin 5 and the long side bar 41 are parallel to each other and disposed through the core layer 2, so that both ends of the fixing pin 5 are covered in the frame 4.
Preferably, the frame 4 is made of wood. In the embodiment, the first surface layer 1, the second surface layer 3 and the sandwich layer 2 are all selected from one of ironwood, ebony, rosewood or surf green boards, and the wood is used for improving the hardness of the first surface layer 1, the second surface layer 3 and the frame 4 and prolonging the service life; in order to improve the bacteriostatic performance, the pH value of the selected wood is acidic (the pH value is 4-5), through detection, the antibacterial rate of the wood in the pH value range on escherichia coli, staphylococcus aureus and candida albicans reaches 99.9%, and the density of the first surface layer 1, the second surface layer 3 and the frame 4 is 0.9g/cm 3 -1.4g/cm 3 After long-term use, the surface of the chopping block has small knife mark, is not easy to generate burrs and is easy to clean. Preferably, the density of the wood selected for the first surface layer 1, the second surface layer 3 and the frame 4 is 1.0g/cm 3 、1.1g/cm 3 、1.2g/cm 3 Or 1.36g/cm 3 。
In the present embodiment, the ratio of the thickness of the first surface layer 1 to the thickness of the core layer 2 is 0.23 to 0.43. Preferably, the above thickness ratio is 0.24, 0.25, 0.26, 0.27, 0.3, 0.33, 0.35, 0.38, 0.40 or 0.41.
The manufacturing steps of the composite bamboo-wood chopping block in the embodiment are as follows:
s1: manufacturing long edge strips 41, short edge strips 42 and the sandwich body 21 according to the size of the anvil plate;
s2: positioning grooves 22 are formed in the contact surfaces of the long side strips 41 and the sandwich body 21 and the contact surfaces of the short side strips 42 and the long side strips 41;
s3: connecting the long edge strips 41, the short edge strips 42 and the sandwich body 21 through fixing pins 5, and enabling equal gaps a to be reserved between the adjacent sandwich bodies 21 to form an intermediate blank layer;
when the chopping board is in a dry-wet change environment, a gap a reserved between the sandwich bodies 21 can be kept consistent with the first surface layer 1 and the second surface layer 3 when the sandwich layer 2 is subjected to wet expansion or dry shrinkage, internal bursting or surface cracking is avoided, and the width of the gap a is 0.6-1% of that of the sandwich bodies 21;
s4: sanding the combined middle layer blank, the first surface layer 1 and the second surface layer 3 in a fixed thickness;
s5: rolling the intermediate layer blank on two sides with glue, wherein the coating weight is 220-260g/m 2 Pressing with the first surface layer 1 and the second surface layer 3 under 2-5 MPa for 30-60 min;
s6: and milling drainage grooves in the first surface layer 1 and the second surface layer 3, punching holes to install handles, performing surface treatment, and packaging to obtain a finished product.
Referring to fig. 3, a second embodiment of the present invention is:
the difference between the embodiment and the first embodiment is that the frame 4 and the sandwich layer 2 are connected through a mortise and tenon structure. Preferably, the tenon-and-mortise structures are distributed along the fiber distribution direction of the first surface layer 1. Specifically, the mortise 43 and the tenon 23 matched with the mortise 43 are directly arranged on the sandwich layer 2 and the frame 4, so that the sandwich layer 2 and the frame 4 are directly connected. The mortise 43 is not limited to be disposed on the sandwich layer 2 or the frame 4, and the tenons 23 are disposed in the same manner. In other equivalent embodiments, in order to improve the aesthetic appearance of the cutting board, the sandwich layer 2 can also be directly glued to the frame 4, and the mortise 43 and the tenon 23 are parallel to the long side bar 41 and only penetrate through the sandwich layer 2, so that the two ends of the mortise 43 and the tenon 23 are wrapped in the frame 4.
And compared with the manufacturing steps of the composite bamboo chopping board in the embodiment, the manufacturing steps of the composite bamboo chopping board are different from those of the S2 and the S3, and the manufacturing method specifically comprises the following steps:
s2: forming mortises 43 on the contact surfaces of the long side strips 41 and the sandwich body 21, and milling tenons 23 matched with the mortises 43 on the contact surfaces of the sandwich body 21, the short side strips 42 and the long side strips 41;
s3: the long edge strips 41, the short edge strips 42 and the sandwich body 21 are connected through the mortises 43 and the tenons 23, and equal gaps a are left between the adjacent sandwich bodies 21 to form an intermediate blank layer.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A composite chopping board is characterized by comprising a first surface layer, a sandwich layer and a second surface layer which are sequentially stacked;
the distribution direction of the fibers of the sandwich layer on the horizontal plane is mutually vertical to the distribution direction of the fibers of the first surface layer and the second surface layer on the horizontal plane.
2. The composite cutting board of claim 1, wherein the sandwich layer comprises at least two sandwich bodies;
the sandwich bodies are sequentially arranged along the fiber distribution direction of the first surface layer, and gaps are formed between the adjacent sandwich bodies.
3. A composite anvil plate according to claim 2, wherein said gap has a width of 0.6-1% of the width of said core layer.
4. A composite cutting board according to any one of claims 1 to 3 further comprising a border;
the frame encircles the setting of sandwich layer, just the frame clamp is located first surface course with between the second surface course.
5. The composite cutting board of claim 4, wherein the frame and the sandwich layer are connected by a mortise and tenon joint structure.
6. A composite cutting board according to claim 5 wherein said mortise and tenon structures are distributed along the direction of distribution of the fibers of said first face layer.
7. A composite cutting board according to claim 4, characterized in that the frame is connected to the core layer by means of fixing pins.
8. The composite cutting board according to claim 1 wherein the first and second surface layers are both wood and the core layer is carbonized bamboo.
9. A composite anvil plate according to claim 1 or 8, wherein the ratio of the thickness of said first face layer to the thickness of said core layer is 0.23-0.43.
10. A composite anvil plate according to claim 1 or 8, wherein said first surface layer and said second surface layer have a density of 0.9g/cm 3 -1.4g/cm 3 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221762388.5U CN217772132U (en) | 2022-07-07 | 2022-07-07 | Composite chopping board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221762388.5U CN217772132U (en) | 2022-07-07 | 2022-07-07 | Composite chopping board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217772132U true CN217772132U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221762388.5U Active CN217772132U (en) | 2022-07-07 | 2022-07-07 | Composite chopping board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217772132U (en) |
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2022
- 2022-07-07 CN CN202221762388.5U patent/CN217772132U/en active Active
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