Hot press forming die for forklift tray

Abstract

According to the hot press forming die for the forklift tray, guide columns are fixed to the four corners of the bottom face of an upper die frame, and the guide columns are matched with guide holes formed in the four corners of the upper end face of a lower die frame; a plurality of V-shaped grooves used for forming anti-skid grains on the tray face of the forklift tray are formed in the bottom face of the upper die, a plurality of cavity inserts are installed on the inner bottom face of the lower die, gaps reserved between the adjacent cavity inserts form reinforcing rib cavities, a die base used for supporting the lower die is arranged below the lower die, and a demolding plate is positioned between the die base and the lower die. The demolding plate is provided with a demolding auxiliary device connected with the lower mold and part of the cavity insert in the lower mold in a matched mode, and the demolding auxiliary device is driven by the upwards-moving demolding plate to jack up the forklift tray formed in the lower mold for mold drawing. According to the utility model, the problem that the forklift pallet is difficult to demould is solved, the mould stripping difficulty of the formed forklift pallet is reduced, the mould stripping efficiency and the mould stripping quality are improved, the processing period is shortened, and the processing efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of forming molds, and in particular relates to a hot pressing forming mold for a forklift pallet. Background Art

[0002] Pallets are an important equipment used for logistics loading and unloading, handling and transportation. Grid pallets are used to facilitate cargo loading and unloading, transportation, storage and distribution. They are composed of a load surface that can carry a certain number of items and a forklift socket. With the continuous development of the logistics industry, pallets are used more and more widely, and the strength requirements for pallets are getting higher and higher. In order to improve the strength of pallets, the bottom structure is particularly important. Since the pallet with more bottom reinforcement ribs has a mesh structure, it is difficult to demold. In order to meet the requirements of hot pressing of glass fiber materials for pallets with more bottom reinforcement ribs, it is necessary to design a molding mold that is convenient and quick to demold. Utility Model Content

[0003] The technical problem solved by the utility model is as follows: a hot pressing forming mold for a forklift pallet is provided, which realizes hot pressing forming of a glass fiber board in a hot melt state by cooperation of a lower mold with a plurality of cavity inserts installed on the inner bottom surface and an upper mold with a V-shaped groove on the bottom surface, and a demoulding auxiliary device which is adaptively connected to the lower mold and part of the cavity inserts in the lower mold is arranged on a demoulding plate between the lower mold and the mold base, and the demoulding auxiliary device is driven by the upwardly moved demoulding plate to lift up the forklift pallet formed in the lower mold to demould, thereby solving the problem of great difficulty in demoulding the forklift pallet, reducing the demoulding difficulty of the formed forklift pallet, improving the demoulding efficiency and demoulding quality, shortening the processing cycle, and improving the processing efficiency.

[0004] The technical solution adopted by the utility model is as follows: a hot pressing forming mold for a forklift pallet comprises a lower mold and an upper mold arranged above the lower mold and fixedly connected to a hydraulic power punch, guide pillars are fixed at the four corners of the bottom surface of the upper mold frame, and the guide pillars are adapted to guide holes arranged at the four corners of the upper end surface of the lower mold frame; a plurality of V-shaped grooves for forming anti-skid patterns on the disk surface of the forklift pallet are formed on the bottom surface of the upper mold, a plurality of cavity inserts are installed on the inner bottom surface of the lower mold, and the gaps reserved between adjacent cavity inserts form a reinforcing rib cavity, a mold base for supporting the lower mold is arranged below the lower mold, and a stripping plate is positioned between the mold base and the lower mold, a stripping plate is provided on the stripping plate, a stripping auxiliary device which is adapted to be connected to the lower mold and part of the cavity inserts in the lower mold is provided, and the stripping auxiliary device is driven by the upwardly moved stripping plate to lift and strip the forklift pallet formed in the lower mold.

[0005] Among them, the upper end surface of the mold base is evenly distributed with a plurality of support columns whose upper ends are fixedly connected to the bottom surface of the lower mold, and the support columns are stepped shafts with a lower end diameter larger than an upper end diameter. The stripping plate is provided with a plurality of through holes corresponding to the positions of the support columns, and the small diameter section of the support column is adapted to the through holes on the stripping plate, and the stripping plate is positioned by a positioning platform formed at the transition position between the small diameter section and the large diameter section of the support column.

[0006] Furthermore, two groups of symmetrically arranged ear plate seats are fixed on the plate surfaces at both ends of the stripping plate, and the lifting chains pinned to the ear plate seats are used to be connected to the crane.

[0007] Furthermore, the side walls around the lower mold are of a double-layer structure with a water cooling cavity inside, and the outer wall of the lower mold is provided with a water inlet pipe for connecting to the cooling water pipeline and a water outlet pipe for discharging internal water and communicating with the return water pipe.

[0008] Furthermore, the demoulding auxiliary device includes a plurality of lower edge demoulding columns and a plurality of top plate demoulding columns, the lower ends of the lower edge demoulding columns and the top plate demoulding columns are fixed to the upper plate surface of the demoulding plate, the bottom surface of the lower mold is provided with a plurality of through holes connected to the interior thereof, and the lower edge demoulding columns whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold are located in the reinforcing rib cavity and are flush with the inner bottom surface of the lower mold, while the top plate demoulding columns whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold pass through the through holes on the cavity inserts at corresponding positions and are flush with the upper end surface of the cavity inserts.

[0009] Furthermore, the shapes of the cavity inserts include square, rectangle, triangle and trapezoid, and the depth of the reinforcing rib cavity on the outer periphery of the two square cavity inserts at the four corners of the inner bottom surface of the lower mold is greater than the depth of the reinforcing rib cavity at other positions, forming four legs on the bottom surface of the forklift pallet.

[0010] The advantages of this utility model compared with the prior art:

[0011] 1. Under the premise that the mold base and the support column reliably support the lower mold, the technical solution realizes the hot pressing molding of the hot-melt fiberglass board through the cooperation of the lower mold and the upper mold. The gap reserved between the two adjacent cavity inserts in the lower mold forms a reinforcing rib cavity. By arranging a demoulding auxiliary device that is adaptively connected to the lower mold and part of the cavity inserts in the lower mold on the demoulding plate between the lower mold and the mold base, the demoulding auxiliary device is driven by the upwardly moved demoulding plate to lift the forklift pallet formed in the lower mold to demould, thereby solving the problem of difficulty in demoulding the forklift pallet;

[0012] 2. The support column of this technical solution adopts a stepped structure consisting of a small diameter section at the upper end and a large diameter section at the lower end, which provides conditions for the reliable positioning of the stripping plate on the support column, ensures the height of the stripping auxiliary device on the stripping plate, and ensures the quality of the forklift pallet;

[0013] 3. This technical solution has a simple structure and reasonable design. It is convenient and quick to demould while ensuring the quality of the forklift pallet, reduces the demoulding difficulty of the molded forklift pallet, improves the demoulding efficiency and demoulding quality, shortens the processing cycle, and improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the front view of the lower mold structure of the utility model;

[0015] Figure 2 This is a bottom view of the lower mold structure of the utility model;

[0016] Figure 3 This is the front view of the upper mold structure of the utility model;

[0017] Figure 4 It is a top view of the upper mold structure of the utility model. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiment of the present utility model Figure 1-4 The technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0021] Thermoforming dies for forklift pallets, such as Figure 1-4 As shown, it includes a lower die 1 and an upper die 2 arranged above the lower die 1 and fixedly connected to a hydraulic power punch, the four corners of the bottom surface of the frame of the upper die 2 are fixed with guide pillars 11, and the guide pillars 11 are adapted to guide holes 12 arranged at the four corners of the upper end surface of the frame of the lower die 1; the bottom surface of the upper die 2 is formed with a plurality of V-shaped grooves 13 for forming anti-skid patterns on the forklift pallet disk, a plurality of cavity inserts 3 are installed on the inner bottom surface of the lower die 1, and the reserved gaps between adjacent cavity inserts 3 form a reinforcing rib cavity 4, a die base 5 for supporting the lower die 1 is provided below the lower die 1, and a stripping plate 6 is positioned between the die base 5 and the lower die 1, and the stripping plate 6 is provided with a die that is adapted to connect with the lower die 1 and part of the cavity inserts 3 in the lower die 1 The demoulding auxiliary device is provided, and the demoulding auxiliary device is driven by the upwardly moving demoulding plate 6 to lift up the forklift pallet formed in the lower mold 1 to demould; in the above structure, under the premise that the mold base 5 and the support column 7 reliably support the lower mold 1, the hot-melt state glass fiber board is hot-pressed by the cooperation of the lower mold 1 and the upper mold 2, and the gap reserved between the two adjacent cavity inserts 3 in the lower mold 1 forms a reinforcing rib cavity 4, and a demoulding auxiliary device is provided on the demoulding plate 6 between the lower mold 1 and the mold base 5, which is adaptively connected to the lower mold 1 and part of the cavity inserts 3 in the lower mold 1, and the demoulding auxiliary device is driven by the upwardly moving demoulding plate 6 to lift up the forklift pallet formed in the lower mold 1 to demould, thereby solving the problem of difficulty in demoulding the forklift pallet;

[0022] like Figure 2 As shown, the positioning structure of the stripping plate 6 is specifically as follows: the upper end surface of the mold base 5 is evenly distributed with a plurality of support columns 7 whose upper ends are fixedly connected to the bottom surface of the lower mold 1, and the support columns 7 are stepped shafts with a lower diameter larger than an upper diameter, and the stripping plate 6 is formed with a plurality of through holes corresponding to the positions of the support columns 7, and the small diameter sections of the support columns 7 are adapted to the through holes on the stripping plate 6, and the positioning platform formed by the transition position between the small diameter section and the large diameter section of the support columns 7 is used to position the stripping plate 6; specifically, two groups of symmetrically arranged ear plate seats 8 are fixed on both end plate surfaces of the stripping plate 6, and a lifting chain pinned to the ear plate seats 8 is used to connect to a crane, wherein an oil cylinder can also be provided between the stripping plate 6 and the mold base 5 to lift the stripping plate 6; in the above structure, the support columns 7 adopt a stepped structure composed of an upper small diameter section and a lower large diameter section, which provides conditions for reliable positioning of the stripping plate 6 on the support columns 7, ensures the height of the stripping auxiliary device on the stripping plate 6, and ensures the quality of the forklift pallet;

[0023] like Figure 2 As shown, the side walls of the lower mold 1 are of a double-layer structure with a water cooling cavity inside, and the outer wall of the lower mold 1 is provided with a water inlet pipe 14 for connecting to a cooling water pipeline and a water outlet pipe 15 for discharging internal water and communicating with a return water pipe.

[0024] like Figure 2As shown, the specific structure of the demoulding auxiliary device is as follows: the demoulding auxiliary device includes a plurality of lower edge demoulding columns 9 and a plurality of top plate demoulding columns 10, the lower ends of the lower edge demoulding columns 9 and the top plate demoulding columns 10 are fixed to the upper plate surface of the demoulding plate 6, the bottom surface of the lower mold 1 is provided with a plurality of through holes connected to the interior thereof, and the lower edge demoulding columns 9 whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold 1 are located in the reinforcing rib cavity 4 and are flush with the inner bottom surface of the lower mold 1, and the top plate demoulding columns 10 whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold 1 pass through the through holes on the corresponding position cavity insert 3 and are flush with the upper end surface of the cavity insert 3.

[0025] Among them, the shapes of the cavity inserts 3 include square, rectangle, triangle and trapezoid, and the depth of the reinforcing rib cavity 4 on the outer periphery of the two square cavity inserts 3 at the four corners of the inner bottom surface of the lower mold 1 is greater than the depth of the reinforcing rib cavity 4 at other positions, and forms four legs on the bottom surface of the forklift pallet.

[0026] Among them, the cavity inserts 3 in the lower mold 1 are provided with three rows, which are two square cavity inserts 3 and two rows of rectangular cavity inserts 3 alternately distributed from left to right, and two rows of square rows between adjacent square rows. The square rows include small square cavity inserts 3 at both ends and multiple large square cavity inserts 3 between the two groups of small square cavity inserts 3. Among them, there are V-shaped reinforcing rib cavities 4 on the two rows of square rows. This structural distribution can greatly improve the strength of the forklift pallet.

[0027] The technical solution has a simple structure and a reasonable design. It is convenient and quick to demould while ensuring the quality of the forklift pallet, reduces the demoulding difficulty of the formed forklift pallet, improves the demoulding efficiency and demoulding quality, shortens the processing cycle, and improves the processing efficiency.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Thermoforming mould for forklift pallets, characterized by: The invention comprises a lower die (1) and an upper die (2) arranged above the lower die (1) and fixedly connected to a hydraulic power punch, wherein the four corners of the bottom surface of the frame of the upper die (2) are fixed with guide pillars (11), and the guide pillars (11) are adapted to guide holes (12) arranged at the four corners of the upper end surface of the frame of the lower die (1); the bottom surface of the upper die (2) is provided with a plurality of V-shaped grooves (13) for forming anti-skid patterns on the forklift pallet plate, and the inner bottom surface of the lower die (1) is provided with a plurality of cavity inserts (3), and adjacent cavities are provided with a plurality of V-shaped grooves (13) for forming anti-skid patterns on the forklift pallet plate; The gaps reserved between the inserts (3) form a reinforcing rib cavity (4); a die base (5) for supporting the lower die (1) is provided below the lower die (1); a stripping plate (6) is positioned between the die base (5) and the lower die (1); a stripping plate (6) is provided on the stripping plate (6) for adapting and connecting with the lower die (1) and part of the cavity inserts (3) in the lower die (1); and the stripping plate (6) is driven by the upwardly moving stripping plate (6) to lift up the forklift pallet formed in the lower die (1) to release the die.

2. The hot pressing forming die for forklift pallets according to claim 1, characterized in that: The upper end surface of the die base (5) is evenly distributed with a plurality of support columns (7) whose upper ends are fixedly connected to the bottom surface of the lower die (1), and the support columns (7) are stepped shafts with a lower diameter larger than an upper diameter. The stripping plate (6) is provided with a plurality of through holes corresponding to the positions of the support columns (7), and the small diameter section of the support column (7) is adapted to the through holes on the stripping plate (6), and the stripping plate (6) is positioned by a positioning platform formed at the transition position between the small diameter section and the large diameter section of the support column (7).

3. The hot pressing forming die for forklift pallets according to claim 2, characterized in that: Two sets of symmetrically arranged ear plate seats (8) are fixed on both end plate surfaces of the stripping plate (6), and a lifting chain pin-connected to the ear plate seats (8) is used to connect to a crane.

4. The hot pressing forming die for a forklift pallet according to claim 1, characterized in that: The side walls around the lower mold (1) are in a double-layer structure with a water cooling cavity inside, and the outer wall of the lower mold (1) is provided with a water inlet pipe (14) for connecting to a cooling water pipeline and a water outlet pipe (15) for discharging internal water and communicating with a return water pipe.

5. The hot pressing forming die for a forklift pallet according to claim 1, characterized in that: The demoulding auxiliary device comprises a plurality of lower edge demoulding columns (9) and a plurality of top plate demoulding columns (10), wherein the lower ends of the lower edge demoulding columns (9) and the top plate demoulding columns (10) are fixed to the upper plate surface of the demoulding plate (6), and the bottom surface of the lower mold (1) is provided with a plurality of through holes connected to the interior thereof, and the lower edge demoulding columns (9) whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold (1) are located in the reinforcing rib cavity (4) and are flush with the inner bottom surface of the lower mold (1), and the top plate demoulding columns (10) whose upper ends pass through the corresponding through holes on the bottom surface of the lower mold (1) pass through the through holes on the corresponding position cavity inserts (3) and are flush with the upper end surface of the cavity inserts (3).

6. The hot pressing forming die for a forklift pallet according to any one of claims 1 to 5, characterized in that: The shapes of the cavity inserts (3) include square, rectangular, triangular and trapezoidal, and the depth of the reinforcing rib cavities (4) on the outer periphery of the two square cavity inserts (3) at the four corners of the inner bottom surface of the lower mold (1) is greater than the depth of the reinforcing rib cavities (4) at other positions, and forms four legs on the bottom surface of the forklift pallet.

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