Tray integrated forming equipment
By combining a cylinder and cam mechanism with a guide groove design, along with a hydraulic system and gear rack synchronous transmission, the problems of unstable demolding and inaccurate positioning in pallet manufacturing have been solved, achieving efficient and stable demolding of pallets and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI LIANGYUAN PLASTICS CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-05-15
AI Technical Summary
Existing pallet manufacturing processes suffer from low production efficiency, insufficient connection strength, and easy deformation or jamming during demolding, especially material displacement and inaccurate positioning during hot pressing.
The design employs a combination of cylinder and cam mechanism with guide grooves. The cylinder drives the slide to move horizontally, while the cam drives the guide frame to eject the tray vertically. The combination of guide rail and slider reduces friction, achieving efficient and stable demolding. At the same time, the hydraulic system is used for step-by-step positioning and the gear and rack synchronous design to ensure positioning accuracy and controllable force.
It achieves efficient and stable demolding of pallets, improves production efficiency and demolding accuracy, avoids pallet deformation and mold jamming, and enhances production controllability and consistency.
Smart Images

Figure CN224240340U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pallet production technology, specifically a pallet one-piece molding equipment. Background Technology
[0002] With the rapid development of the modern logistics industry, pallets, as an important warehousing and transportation carrier, are experiencing continuous market demand growth. Traditional pallet manufacturing mostly employs assembly processes, which suffers from low production efficiency and insufficient connection strength. To meet the demands of large-scale industrial production, one-piece molded pallet equipment has emerged. This equipment uses a hot-press molding process to process raw materials into integral pallets in a single step, not only improving production efficiency but also significantly enhancing the structural strength and durability of the product. This automated molding technology is particularly suitable for pallet production made of materials such as plastics and wood-plastic composites, effectively reducing production costs, improving product consistency, and aligning with the intelligent and efficient development trend of modern manufacturing.
[0003] According to CN219380947U, a molding device for molded pallets is disclosed. This technology discloses a "molding device for molded pallets, which relates to the field of molded pallet technology, including a base plate, support rods fixedly installed at the four corners of the upper surface of the base plate, a top plate fixedly installed at the top of the support rods, a first hydraulic cylinder fixedly installed on the top plate, a movable plate fixedly installed at the piston rod end of the first hydraulic cylinder, a patterned plate detachably installed at the lower end of the movable plate, a lower mold fixedly installed on the upper surface of the base plate, a connecting frame fixedly installed at the bottom end of the base plate, and a lifting mechanism set inside the connecting frame." The technology has the following effects: "When the molded pallet is formed, the lifting mechanism is activated to lift the molded pallet, and then the second hydraulic cylinder is activated to push the molded pallet out by the ejector plate, avoiding direct contact between the operator and the newly formed molded pallet, and solving the problem that the temperature of the molded pallet is high after forming in the molding device in the prior art, and the operator is easily burned when removing the molded pallet."
[0004] In existing technologies, the demolding process often uses a single hydraulic ejection or manual operation, which can easily lead to tray deformation or mold jamming due to uneven force. At the same time, the loose mechanical structure is prone to shaking, affecting demolding accuracy and production efficiency. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides an integrated pallet molding equipment that achieves efficient and stable demolding through a cylinder and cam mechanism. It utilizes a hydraulic system to complete the positioning and hot pressing of the sheet material in stages, and the synchronous design of gears and racks ensures positioning accuracy. The overall structure is compact and the demolding force is controllable, making it suitable for the efficient production of high-density pallets.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a pallet integral molding device, comprising a base, with a lower mold base fixed to the top of the base, characterized in that: a processing mechanism is provided on the lower mold base for demolding after pallet molding, the processing mechanism comprising:
[0007] A molding assembly, mounted on the base, is used for tray thermoforming.
[0008] The demolding assembly includes a base located below the lower mold base, a mounting seat located above the base, a top rod fixed to the top of the mounting seat, guide rods fixed to the four corners of the bottom of the mounting seat and slidingly installed through the base, guide frames fixed to both ends of the bottom of the mounting seat, guide grooves opened inside the guide frames, a cylinder installed on one side of the base, a slide fixed to the output end of the cylinder, and cams rotatably installed at both ends of the slide, with the cams located inside the guide grooves.
[0009] Preferably, the demolding assembly further includes a guide rail fixed to the top of the base, a slider slidably mounted on the guide rail, and a slide block fixed to the top of the slider.
[0010] Preferably, the demolding assembly further includes mounting brackets fixed to both ends of the top of the base, and the mounting brackets are fixed to the bottom of the lower mold base.
[0011] Preferably, the molding component includes a frame fixed to the upper end of the processing mechanism, with balance bars fixed at both ends inside the frame, an upper mold base slidably mounted on the balance bars, and a first hydraulic cylinder mounted on the upper end of the frame for driving the upper mold base to rise and fall.
[0012] Preferably, the molding assembly further includes a positioning frame slidably mounted on a balance bar, and a second hydraulic cylinder is installed on both sides of the upper end of the frame for driving the positioning frame to rise and fall.
[0013] Preferably, the molding assembly further includes a shaft rotatably mounted inside the upper part of the frame, with gears fixed at both ends of the shaft, and racks fixed at both ends of the top of the positioning frame and meshing with the gears for transmission.
[0014] Beneficial effects
[0015] This utility model provides a pallet one-piece molding device. Compared with the prior art, it has the following advantages:
[0016] 1. The slide block is driven to move horizontally by the output end of the cylinder. The slide block drives the guide frame to move upward through the cam and guide groove. The guide frame drives the ejector rod through the mounting seat to eject the formed tray from the lower mold base and demold. The horizontal movement is converted into vertical ejection force. The structure is compact and the demolding force is controllable. In addition, the combination of guide rail and slider reduces the friction and shaking when the slide block moves.
[0017] 2. The output end of the second hydraulic cylinder drives the positioning frame to press and position the plate in the lower mold base to prevent material displacement during hot pressing. Furthermore, during the lifting and lowering of the positioning frame, the rack and pinion are driven by gears at both ends of the shaft, which mesh with the racks at both ends respectively. By forcing the racks at both ends to move synchronously, the risk of tilting of the positioning frame is eliminated. Then, the output end of the first hydraulic cylinder drives the upper mold base to descend, and the workpiece in the lower mold base is hot-pressed and formed. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a schematic diagram of the molding component in this utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the lower mold base in this utility model;
[0021] Figure 4 This is a schematic diagram of the demolding component in this utility model;
[0022] Figure 5 This is a partial structural diagram of the demolding component in this utility model.
[0023] In the diagram: 1. Machining mechanism; 11. Molding component; 111. Frame; 112. Balance bar; 113. Upper mold base; 114. First hydraulic cylinder; 115. Positioning frame; 116. Second hydraulic cylinder; 117. Shaft; 118. Gear; 119. Rack; 12. Demolding component; 121. Base; 122. Mounting seat; 123. Push rod; 124. Guide rod; 125. Guide frame; 126. Guide groove; 127. Cylinder; 128. Slide; 129. Cam; 1210. Guide rail; 1211. Slider; 1212. Mounting frame; 2. Machine base; 3. Lower mold base. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1 - Figure 5 This utility model provides a technical solution: a pallet integrated molding equipment, including a base 2, a lower mold base 3 fixed on the top of the base 2, and a processing mechanism 1 provided on the lower mold base 3 for demolding after pallet molding. The processing mechanism 1 includes:
[0026] Molding component 11 is mounted on base 2 and used for tray hot pressing molding;
[0027] The demolding assembly 12 includes a base 121 disposed below the lower mold base 3, a mounting base 122 disposed above the base 121, a push rod 123 fixed to the top of the mounting base 122, guide rods 124 fixed to the four corners of the bottom of the mounting base 122 and slidably mounted through the base 121, guide frames 125 fixed to both ends of the bottom of the mounting base 122, guide grooves 126 opened inside the guide frames 125, a cylinder 127 mounted on one side of the base 121, a slide block 128 fixed to the output end of the cylinder 127, and cams 129 rotatably mounted on both ends of the slide block 128, with the cams 129 located inside the guide grooves 126.
[0028] In this embodiment, the slide block 128 is driven to move horizontally by the output end of the cylinder 127. The slide block 128 drives the guide frame 125 to move upward through the cam 129 and the guide groove 126. The guide frame 125 drives the ejector rod 123 through the mounting seat 122 to eject the formed tray from the lower mold base 3 and demold. The horizontal movement is converted into vertical ejection force, which is compact and the demolding force is controllable.
[0029] Specifically, the demolding assembly 12 also includes a guide rail 1210 fixed to the top of the base 121, a slider 1211 slidably mounted on the guide rail 1210, and a slide block 128 fixed to the top of the slider 1211.
[0030] In this embodiment, the combination of guide rail 1210 and slider 1211 reduces friction and shaking when the slide block 128 moves.
[0031] Specifically, the demolding assembly 12 also includes mounting brackets 1212 fixed at both ends of the top of the base 121, and the mounting brackets 1212 are fixed at the bottom of the lower mold base 3.
[0032] In this embodiment, the mounting bracket 1212 rigidly connects the demolding component 12 to the lower mold base 3, dispersing the reaction force during demolding and preventing deformation of the base. Furthermore, the modular design allows the demolding component 12 to be disassembled and repaired as a whole.
[0033] Specifically, the molding component 11 includes a frame 111 fixed to the upper end of the processing mechanism 1. Balance bars 112 are fixed at both ends inside the frame 111. An upper mold base 113 is slidably mounted on the balance bars 112. A first hydraulic cylinder 114 is mounted on the upper end of the frame 111 and is used to drive the upper mold base 113 to rise and fall.
[0034] In this embodiment, the upper mold base 113 is driven to descend by the output end of the first hydraulic cylinder 114 to hot press the workpiece in the lower mold base 3.
[0035] Specifically, the molding assembly 11 also includes a positioning frame 115 that is slidably mounted on the balance bar 112. A second hydraulic cylinder 116 is installed on both sides of the upper end of the frame 111 and is used to drive the positioning frame 115 to rise and fall.
[0036] In this embodiment, the positioning frame 115 is driven by the output end of the second hydraulic cylinder 116 to press and position the plate in the lower mold base 3, so as to prevent the material from shifting during hot pressing.
[0037] Specifically, the molding assembly 11 also includes a shaft 117 rotatably mounted inside the upper end of the frame 111. Gears 118 are fixed at both ends of the shaft 117, and racks 119 are fixed at both ends of the top of the positioning frame 115 and mesh with the gears 118 for transmission.
[0038] In this embodiment, during the lifting and lowering process of the positioning frame 115, the rack 119 is used for transmission, and the gears 118 at both ends of the shaft 117 mesh with the racks 119 at both ends respectively. By forcing the racks 119 at both ends to move synchronously, the risk of tilting of the positioning frame 115 is eliminated.
[0039] The working principle and usage process of this utility model are as follows: First, the output end of the second hydraulic cylinder 116 drives the positioning frame 115 to press and position the plate in the lower mold base 3 to prevent material displacement during hot pressing; and, during the lifting and lowering process of the positioning frame 115, it drives the rack 119 through the rack 119, and the gears 118 at both ends of the shaft 117 mesh with the rack 119 at both ends respectively, thereby forcing the racks 119 at both ends to move synchronously and eliminating the risk of tilting of the positioning frame 115; then, the output end of the first hydraulic cylinder 114 drives the upper mold base 113 to descend, and hot presses the workpiece in the lower mold base 3 to form it.
[0040] The cylinder 127 drives the slide 128 to move horizontally. The slide 128 drives the guide frame 125 to move upward through the cam 129 and the guide groove 126. The guide frame 125 drives the ejector rod 123 through the mounting base 122 to eject the formed tray from the lower mold base 3 and demold. The horizontal movement is converted into vertical ejection force. The structure is compact and the demolding force is controllable. In addition, the combination of the guide rail 1210 and the slider 1211 reduces the friction and shaking when the slide 128 moves.
[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pallet integral molding device, comprising a base (2), wherein a lower mold base (3) is fixed on the top of the base (2), characterized in that: The lower mold base (3) is provided with a processing mechanism (1) for demolding after tray forming. The processing mechanism (1) includes: A molding component (11) is mounted on a base (2) and used for tray thermoforming; The demolding assembly (12) includes a base (121) located below the lower mold base (3), a mounting base (122) located above the base (121), a top rod (123) fixed on the top of the mounting base (122), guide rods (124) fixed at the four corners of the bottom of the mounting base (122) and slidingly connected to the base (121), guide frames (125) fixed at both ends of the bottom of the mounting base (122), guide grooves (126) opened inside the guide frames (125), a cylinder (127) installed on one side of the base (121), a slide (128) fixed at the output end of the cylinder (127), and cams (129) rotatably installed at both ends of the slide (128), with the cams (129) located inside the guide grooves (126).
2. The pallet integral molding equipment according to claim 1, characterized in that: The demolding assembly (12) also includes a guide rail (1210) fixed to the top of the base (121), a slider (1211) is slidably mounted on the guide rail (1210), and a slide block (128) is fixed to the top of the slider (1211).
3. The pallet integral molding equipment according to claim 1, characterized in that: The demolding assembly (12) also includes mounting brackets (1212) fixed at both ends of the top of the base (121), and the mounting brackets (1212) are fixed at the bottom of the lower mold base (3).
4. The pallet integral molding equipment according to claim 1, characterized in that: The molding assembly (11) includes a frame (111) fixed to the upper end of the processing mechanism (1). Balance bars (112) are fixed at both ends inside the frame (111). An upper mold base (113) is slidably mounted on the balance bar (112). A first hydraulic cylinder (114) is installed at the upper end of the frame (111) and is used to drive the upper mold base (113) to rise and fall.
5. The pallet integral molding equipment according to claim 4, characterized in that: The molding assembly (11) also includes a positioning frame (115) slidably mounted on a balance bar (112). A second hydraulic cylinder (116) is installed on both sides of the upper end of the frame (111) and is used to drive the positioning frame (115) to rise and fall.
6. The pallet integral molding equipment according to claim 5, characterized in that: The molding assembly (11) also includes a shaft (117) rotatably mounted inside the upper end of the frame (111). Gears (118) are fixed at both ends of the shaft (117), and racks (119) are fixed at both ends of the top of the positioning frame (115) and mesh with the gears (118) for transmission.