A pulp mold heating plate and a pulp mold fixing structure

Abstract

The utility model relates to paper pulp mould technical field discloses a kind of paper pulp mould heating plate, including plate body and inlay nut. Multiple mounting holes are provided on plate body, mounting hole includes cylindrical hole and strip slot, cylindrical hole is through plate body along the height direction of plate body, and strip slot is set on the bottom surface of plate body. Inlay nut includes cylinder and rotation-stopping strip, rotation-stopping strip is fixedly set in the lower end of cylinder, and it extends along the direction perpendicular to cylinder axis, and the top end of cylinder is provided with the threaded hole extending along cylinder axis, and cylinder is set in cylindrical hole, and rotation-stopping strip is set in strip slot. The paper pulp mould heating plate of the utility model, inlay nut simple structure, easy to install, it is convenient to mass production, and production cost is low, and the overall structure size of inlay nut is smaller, and it is convenient to arrange on plate body. The above setting makes that paper pulp mould heating plate structure is simpler, reduces the production cost of paper pulp mould heating plate, is favorable to the hole spacing of screw hole on paper pulp mould heating plate.

Description

Technical Field

[0001] This utility model relates to the field of pulp mold technology, and in particular to a pulp mold heating plate and a pulp mold fixing structure. Background Technology

[0002] After the pulp molding process, the wet preform needs to be hot-pressed in a hot press to obtain the dry product. The hot press is fixed to the heating plate by a threaded connection. The heating plate is generally made of aluminum alloy 6061 and the temperature is above 150℃. At this high temperature, drilling a threaded hole directly into the aluminum plate will quickly damage it. The common practice is to make an inlaid nut, which is made of stainless steel and the thread can be reused repeatedly at high temperatures.

[0003] There are two specifications of the existing insert nut. The first structure is a combination of a cylinder at one end and a square at the other end. The cylindrical end has a threaded hole to fix the mold, and the square end prevents rotation. The protrusion on the mating surface of the square and the cylinder prevents the insert nut from coming off upwards. The second structure is to make stainless steel insert blocks of different shapes. These insert blocks are fixed to the heating plate with screws. The heating plate needs to be machined with grooves of different shapes to install these insert blocks. Threaded holes are drilled on these insert blocks to install the mold.

[0004] There are two existing types of insert nuts. The first type of insert nut can be mass-produced, but the processing cost is high (the insert nut itself and the mounting holes on the heating plate for insert nut installation are both relatively complex to process), and the hole spacing cannot be too small. The second type has a complex structure, with different shapes of insert blocks in different positions. This insert block itself also needs to be installed by screws. Installing these screws also requires machining threaded holes in the high-temperature aluminum plate on the heating plate. The stability is not good, and it is not convenient for mass production.

[0005] Therefore, there is an urgent need for a pulp mold heating plate and a pulp mold fixing structure to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a pulp mold heating plate and a pulp mold fixing structure, which is simple in structure, easy to mass-produce, and easy to reduce the hole spacing between threaded holes.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] A pulp mold heating plate includes a plate body and an embedded nut;

[0009] The plate body is provided with a plurality of mounting holes at intervals. The mounting holes include cylindrical holes and strip grooves. The cylindrical holes penetrate the plate body along the height direction, and the strip grooves are provided on the bottom surface of the plate body.

[0010] The inlaid nut includes a cylinder and an anti-rotation strip. The anti-rotation strip is fixedly disposed at the lower end of the cylinder and extends in a direction perpendicular to the axis of the cylinder. The top end of the cylinder is provided with a threaded hole extending along the axis of the cylinder. The cylinder is disposed in the cylinder hole, and the anti-rotation strip is disposed in the strip groove.

[0011] As an improvement to the above technical solution, the anti-rotation strip is cylindrical, and the axis of the anti-rotation strip is perpendicular to and intersects the axis of the cylinder.

[0012] As an improvement to the above technical solution, the anti-rotation strip is exposed on both sides of the cylinder.

[0013] As an improvement to the above technical solution, a through hole is provided at the lower end of the cylinder, and the anti-rotation strip passes through the through hole.

[0014] As an improvement to the above technical solution, the anti-rotation strip is interference-fitted with the through hole.

[0015] As an improvement to the above technical solution, the inlaid nut is made of stainless steel.

[0016] As an improvement to the above technical solution, a pad is also included, wherein the plate body is disposed on the pad, and the bottom end of the embedded nut abuts against the top surface of the pad.

[0017] A pulp mold fixing structure includes a pulp mold heating plate as described in any of the above claims, and also includes a pulp mold and screws. The pulp mold is provided with connecting holes, all of which penetrate the pulp mold along the height direction. The screws pass through the connecting holes and extend into the threaded holes to be threadedly connected to the embedded nut.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model discloses a pulp mold heating plate with a simple embedded nut structure, which is easy to install, facilitates mass production, and has low production costs. The overall structural dimensions of the embedded nut are small, making it easy to arrange on the plate. Furthermore, the cylindrical holes and slots on the plate for installing the embedded nut are simple and easy to machine. These features simplify the structure of the pulp mold heating plate, reduce production costs, and allow for smaller hole spacing between threaded holes. The relative positions of the threaded holes can vary, and each pulp mold heating plate can be compatible with multiple different pulp molds. Attached Figure Description

[0020] Figure 1 This is a top view of the pulp mold fixing structure provided in this embodiment of the utility model;

[0021] Figure 2 yes Figure 1 Sectional view at point AA;

[0022] Figure 3 yes Figure 2 Enlarged view of point B in the middle;

[0023] Figure 4 yes Figure 2 Axonometric view of the pulp mold fixing structure after mid-section;

[0024] Figure 5 This is a schematic diagram of the embedded nut structure of the pulp mold heating plate provided in this embodiment of the utility model;

[0025] Figure 6 This is a front view of the embedded nut of the pulp mold heating plate provided in this embodiment of the utility model;

[0026] Figure 7 This is a top view of the embedded nut of the pulp mold heating plate provided in this embodiment of the utility model.

[0027] In the picture:

[0028] 1. Plate body; 11. Mounting hole; 111. Cylindrical hole; 112. Strip groove;

[0029] 2. Embedded nut; 21. Nut body; 211. Threaded hole; 22. Anti-rotation strip;

[0030] 10. Pulp mold; 101. Connecting hole; 20. Screw. Detailed Implementation

[0031] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0032] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0035] like Figures 1-7 As shown, this embodiment provides a pulp mold heating plate, including a plate body 1 and an embedded nut 2. The plate body 1 has multiple mounting holes 11 spaced apart. Each mounting hole 11 includes a cylindrical hole 111 and a strip groove 112. The cylindrical hole 111 penetrates the plate body 1 along its height direction, and the strip groove 112 is located on the bottom surface of the plate body 1. The embedded nut 2 includes a nut body 21 and an anti-rotation strip 22. The anti-rotation strip 22 is fixedly disposed at the lower end of the nut body 21 and extends in a direction perpendicular to the axis of the nut body 21. The top end of the nut body 21 has a threaded hole 211 extending along the axis of the nut body 21. The threaded hole 211 is used to install a screw 20. In this embodiment, the threaded hole 211 is a blind threaded hole, meaning that the bottom end of the threaded hole 211 does not penetrate the nut body 21. The nut body 21 is disposed within the cylindrical hole 111, and the anti-rotation strip 22 is disposed within the strip groove 112. The top and bottom of the inlaid nut 2 are not exposed outside the mounting hole 11. That is to say, the top of the inlaid nut 2 does not protrude from the top surface of the plate 1, and the bottom does not protrude from the bottom surface of the plate 1.

[0036] In this embodiment, when the pulp mold heating plate is assembled, the embedded nut 2 is inserted into the mounting hole 11 from the bottom of the plate body 1 until the top of the nut body 21 extends into the top of the cylindrical hole 111. At this time, the anti-rotation strip 22 abuts against the bottom of the groove 112.

[0037] The pulp mold heating plate provided in this embodiment has an embedded nut 2 installed in the mounting hole 11 on the main body. A threaded hole 211 is provided at the top of the nut body 21 for fixing the pulp mold 10, and an anti-rotation strip 22 is provided at the bottom to prevent the embedded nut 2 from moving upwards and rotating. The embedded nut 2 has a simple structure, is easy to install, and has a small overall size, making it easy to arrange on the plate body 1. Furthermore, the cylindrical hole 111 and the strip groove 112 on the plate body 1 for installing the embedded nut 2 are simple and easy to process. The above-mentioned design simplifies the overall structure of the pulp mold heating plate, reduces the production cost, and helps to reduce the hole spacing of the threaded holes 211 on the pulp mold heating plate. The relative positions of the threaded holes 211 vary, allowing each pulp mold heating plate to be compatible with multiple different pulp molds 10.

[0038] Furthermore, the pulp mold heating plate provided in this embodiment also includes a pad plate. The plate body 1 is disposed on the pad plate, and the bottom end of the embedded nut 2 abuts against the top surface of the pad plate to prevent the embedded nut 2 from displacing downward. That is to say, the pulp mold heating plate provided in this embodiment achieves axial positioning of the embedded nut 2 through the cooperation between the bottom of the strip groove 112 and the pad plate, and prevents the embedded nut 2 from rotating around the axis of the cylinder through the anti-rotation strip 22. The axial direction mentioned here is the axial direction of the cylinder.

[0039] Optionally, such as Figures 2-7 As shown, both the nut body 21 and the anti-rotation strip 22 are cylindrical, and the axis of the anti-rotation strip 22 is perpendicular to and intersects the axis of the nut body 21. The cylindrical anti-rotation strip 22 is easy to enter the strip groove 112, which facilitates the installation of the nut 2. Furthermore, the cylindrical nut body 21 and the cylindrical anti-rotation strip 22 are easy to process, which facilitates the batch processing of the nut 2.

[0040] Optionally, such as Figures 2-7 As shown, the anti-rotation strip 22 is exposed on both sides of the nut body 21 so that the anti-rotation strip 22 can better prevent the embedded nut 2 from rotating and make the interaction force between the anti-rotation strip 22 and the cylinder more evenly distributed.

[0041] Optionally, such as Figures 2-7 As shown, the diameter of the anti-rotation strip 22 is smaller than the diameter of the nut body 21. The lower end of the nut body 21 is provided with a through hole. The axis of the through hole is perpendicular to and intersects with the axis of the nut body 21. The anti-rotation strip 22 is inserted into the through hole. The anti-rotation strip 22 is inserted and installed with the cylinder. The installation is convenient and facilitates the batch processing of the embedded nut 2.

[0042] Optionally, the anti-rotation strip 22 is interference-fitted with the through hole to prevent the anti-rotation strip from coming out of the through hole.

[0043] Optionally, the embedded nut 2 is made of stainless steel to ensure that the embedded nut 2 has sufficient structural strength so that it can be reused at high temperatures.

[0044] The pulp mold heating plate provided in this embodiment features a simple structure with an embedded nut 2, which is easy to install, facilitates mass production, and has low production costs. The overall size of the embedded nut 2 is also relatively small, making it easy to arrange on the plate body 1. Furthermore, the cylindrical hole 111 and the slot 112 that mate with the embedded nut 2 are simple and easy to machine. These features simplify the structure of the pulp mold heating plate, reduce its production cost, and allow for a smaller spacing between the threaded holes 211 on the heating plate. The relative positions of the threaded holes 211 can vary, and each pulp mold heating plate can be compatible with multiple different pulp molds 10.

[0045] like Figures 1-4 As shown, this embodiment also provides a pulp mold fixing structure, including the aforementioned pulp mold heating plate, a pulp mold 10, and screws 20. The pulp mold 10 is provided with connecting holes 101, which penetrate the pulp mold 10 along its height direction. Screws 20 pass through the connecting holes 101 and extend into threaded holes 211 to be threadedly connected to the embedded nut 2, thereby fixing the pulp mold 10 to the pulp mold heating plate. The pulp mold heating plate is used to heat the pulp mold 10. In this embodiment, the pulp mold 10 is also a hot press mold.

[0046] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A pulp mold heating plate, characterized in that, Includes a plate (1) and an inlaid nut (2); The plate (1) is provided with a plurality of mounting holes (11) spaced apart. The mounting holes (11) include cylindrical holes (111) and strip grooves (112). The cylindrical holes (111) penetrate the plate (1) along the height direction of the plate (1), and the strip grooves (112) are provided on the bottom surface of the plate (1). The inlaid nut (2) includes a nut body (21) and an anti-rotation strip (22). The anti-rotation strip (22) is fixedly disposed at the lower end of the nut body (21) and extends in a direction perpendicular to the axis of the nut body (21). The top end of the nut body (21) is provided with a threaded hole (211) extending along the axis of the nut body (21). The nut body (21) is disposed in the cylindrical hole (111), and the anti-rotation strip (22) is disposed in the strip groove (112).

2. The pulp mold heating plate according to claim 1, characterized in that, Both the nut body and the anti-rotation strip (22) are cylindrical, and the axis of the anti-rotation strip (22) is perpendicular to and intersects the axis of the nut body (21).

3. The pulp mold heating plate according to claim 1, characterized in that, The anti-rotation strip (22) is exposed on both sides of the nut body (21).

4. The pulp mold heating plate according to claim 3, characterized in that, The lower end of the nut body (21) is provided with a through hole, and the anti-rotation strip (22) passes through the through hole.

5. The pulp mold heating plate according to claim 4, characterized in that, The anti-rotation strip (22) is interference-fitted with the through hole.

6. The pulp mold heating plate according to any one of claims 1-5, characterized in that, The inlaid nut (2) is made of stainless steel.

7. The pulp mold heating plate according to any one of claims 1-5, characterized in that, It also includes a pad, the plate (1) is disposed on the pad, and the bottom end of the inlaid nut (2) abuts against the top surface of the pad.

8. A pulp mold fixing structure, characterized in that, The invention includes a pulp mold heating plate as described in any one of claims 1-7, and further includes a pulp mold (10) and a screw (20). The pulp mold (10) is provided with a connecting hole (101), and the connecting hole (101) extends through the pulp mold (10) along the height direction. The screw (20) passes through the connecting hole (101) and extends into the threaded hole (211) to be threadedly connected to the inlaid nut (2).

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