Paper pulp molding semi-dry pressing mold

Abstract

The utility model discloses a paper pulp molding semi-dry pressing mould, which relates to the technical field of paper pulp molding, and comprises a platform, an upper mould plate and a lower mould plate, the upper mould plate and the lower mould plate are vertically and oppositely arranged, the lower mould plate comprises a bottom plate and side walls, the bottom plate is arranged on the platform, the side walls are distributed in a circumferential array mode, and the side walls are connected to the upper portion of the platform in a sliding mode. The pulp molding semi-dry pressing mold comprises a plurality of side walls, one side of each side wall is fixedly connected with a threaded rod, each side wall forms a square lower mold plate outer wall, the outer side of each threaded rod is sleeved with a threaded pipe in a threaded mode, the outer side of each threaded pipe is fixedly sleeved with a worm gear, and one side of each worm gear is connected with a worm in a meshed mode. According to the paper pulp molding semi-dry pressing mold, the lower mold plate is arranged, the worm wheel, the worm and other driving assemblies are arranged, and therefore after product machining is completed, only the mold cavity of the lower mold plate needs to be opened in a side wall separation mode, material taking in a manual digging mode is avoided, and therefore the machining convenience and the working efficiency of the paper pulp molding semi-dry pressing mold are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper pulp molding, in particular to a semi-dry pressing mold for paper pulp molding. Background Art

[0002] Pulp molding is a three-dimensional papermaking technology. It uses waste paper as raw material, shaping paper products into specific shapes using specialized molds on a molding machine. It offers four key advantages: The raw material, including waste paper such as cardboard, waste carton paper, and waste white-edged paper, is widely available; the production process, consisting of pulping, adsorption molding, and drying and shaping, is environmentally friendly; it is recyclable; and its volume is smaller than that of foamed plastic, allowing for stacking and convenient transportation. In addition to making lunch boxes and tableware, pulp molding is also increasingly used for industrial cushioning packaging, and is experiencing rapid growth.

[0003] Currently, after pulp molded products are pressed through a mold, the pressed products will be stuck in the lower mold, so workers need to manually pick out the products from the mold. This material removal method is not only troublesome, but also has low product processing efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a semi-dry pressing mold for pulp molding, so as to solve the problem in the prior art that it is inconvenient to take out materials from the semi-dry pressing mold for pulp molding.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-dry pressing mold for pulp molding, comprising a platform, an upper template and a lower template, the upper template and the lower template being arranged opposite each other up and down, the lower template comprising a base plate arranged on the platform and side walls distributed in a circular array, the side walls being slidably connected to the upper part of the platform, a threaded rod being fixedly connected to one side of the side wall, each of the side walls forming a U-shaped outer wall of the lower template, a threaded tube being provided on the outer threaded sleeve of the threaded rod, a worm being provided on the outer fixed sleeve of the threaded tube, a worm being meshed with a worm on one side of the worm wheel, the worm wheel and the worm being rotatably connected to the upper part of the platform, and an adjustment mechanism being provided on the platform for driving each worm to rotate together.

[0006] Preferably, the bottom plate includes bottom rods distributed in a linear array, a mounting groove is provided on the upper portion of the platform, the bottom rods are slidably connected in the cavity of the mounting groove, and sliding grooves are formed on the inner walls on both sides of the mounting groove. Sliders that are slidably connected to the sliding grooves are fixedly connected on both sides of the bottom rods, a spring is provided between the slider and the top wall inside the sliding groove, and two adjacent bottom rods are in contact with each other.

[0007] Preferably, a ball block is fixedly connected to the bottom of the bottom rod, a turntable is rotatably connected to the inner wall of the mounting groove, two ball grooves arranged in mirror symmetry are opened on the upper part of the turntable, the ball block is adapted to the ball groove, and each ball block is on the same circular track as the ball groove.

[0008] Preferably, the adjustment mechanism includes three sets of bevel gear assemblies, which include two bevel gears meshing with each other. The three sets of bevel gear assemblies are respectively arranged between each two adjacent worms, and the two bevel gears are respectively fixedly connected to the ends of the two adjacent worms.

[0009] Preferably, two servo motors are installed on the platform, and the movable ends of the two servo motors are fixedly connected to the worm end at the end and the bottom of the turntable respectively. The servo motors are electrically connected to the power supply. The servo motors used in this application are purchased parts, which are selected according to power and size requirements. The system for controlling the switch adopts the module provided by the corresponding merchant, and this application will not go into details.

[0010] Preferably, vertical rods distributed in a circular array are fixedly connected to the upper part of the platform, vertical holes are opened at corresponding positions of the upper template relative to each vertical rod, each of the vertical rods is slidably connected to each vertical hole, and a mounting plate is fixedly connected to the top of the vertical rod, a hydraulic rod is installed on the mounting plate, and the telescopic end of the hydraulic rod is fixedly connected to the upper part of the upper template.

[0011] Preferably, two inclined support plates are fixedly connected to one side of the side wall, and the inclined support plates are slidably connected to the upper part of the platform.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The present application sets up multiple detachable side walls and sets up driving components such as worm gears and worms. After the product processing is completed, it is only necessary to open the mold cavity of the lower template by separating the side walls, thereby avoiding manual picking to remove materials, and thus effectively improving the convenience and work efficiency of pulp molding semi-dry pressing mold processing.

[0014] 2. The present application sets up a bottom plate composed of multiple bottom rods. When it is necessary to take out materials, it is only necessary to lower each bottom rod one by one, so that the adhesion areas between the bottom plate and the product can be separated one by one, thereby avoiding the damage caused by the product being scratched due to the picking method, and thus improving the convenience of taking out materials from the pulp molding semi-dry pressing mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of an overall semi-dry pressing mold for pulp molding according to the present invention;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of an overall semi-dry pressing mold for pulp molding according to the present invention;

[0017] Figure 3This is a three-dimensional schematic diagram of the coordination of the side wall, worm and bevel gear of a semi-dry pressing mold for pulp molding according to the present invention;

[0018] Figure 4 This is a bottom plate schematic diagram of a semi-dry pressing mold for pulp molding according to the present invention;

[0019] Figure 5 This is a three-dimensional schematic diagram of a turntable of a semi-dry pressing mold for pulp molding according to the present invention.

[0020] Numbers in the figure: 1. Platform; 2. Upper template; 3. Lower template; 4. Base plate; 401. Bottom rod; 402. Slider; 5. Side wall; 6. Threaded rod; 7. Worm gear; 8. Worm; 9. Mounting groove; 10. Ball block; 11. Turntable; 12. Ball groove; 13. Bevel gear; 14. Servo motor; 15. Vertical rod; 16. Mounting plate; 17. Hydraulic rod; 18. Tilt support plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example: Figure 1 - Figure 5 As shown, the utility model provides a technical solution for a semi-dry pressing mold for pulp molding, comprising a platform 1, an upper template 2 and a lower template 3, the upper template 2 and the lower template 3 being arranged opposite each other up and down, the lower template 3 comprising a bottom plate 4 arranged on the platform 1 and side walls 5 distributed in a circumferential array, the side walls 5 being slidably connected to the upper part of the platform 1, a threaded rod 6 being fixedly connected to one side of the side wall 5, each side wall 5 forming an outer wall of the lower template 3 in the shape of a square, a threaded tube being provided on the outer threaded sleeve of the threaded rod 6, a worm gear 7 being provided on the outer fixed sleeve of the threaded tube, a worm 8 being meshedly connected to one side of the worm gear 7, the worm gear 7 and the worm 8 being both rotatably connected to the upper part of the platform 1, and an adjustment mechanism for driving each worm 8 to rotate together being provided on the platform 1;

[0023] After the product is processed by the upper template 2 and the lower template 3, the worm gear 7 is used to drive the threaded tube to rotate by rotating each worm 8. The threaded tube is then driven by the threaded rod 6 to drive the side wall 5 to slide on the platform 1, thereby facilitating the separation of the mold cavity of the lower template 3 and taking out the product.

[0024] like Figure 2As shown, the bottom plate 4 includes bottom rods 401 distributed in a linear array, a mounting groove 9 is opened on the upper part of the platform 1, the bottom rod 401 is slidably connected in the cavity of the mounting groove 9, and sliding grooves are formed on the inner walls on both sides of the mounting groove 9. Sliders 402 that are slidably connected to the sliding grooves are fixedly connected on both sides of the bottom rod 401, and a spring is provided between the slider 402 and the top wall inside the sliding groove, and two adjacent bottom rods 401 are in contact with each other.

[0025] like Figure 2 、 Figure 4 and Figure 5 As shown, a ball block 10 is fixedly connected to the bottom of the bottom rod 401, and a turntable 11 is rotatably connected to the inner wall of the mounting groove 9. Two ball grooves 12 arranged in mirror symmetry are opened on the upper part of the turntable 11. The ball blocks 10 are adapted to the ball grooves 12, and each ball block 10 is on the same circumferential track with the ball groove 12;

[0026] The ball block 10 and the turntable 11 are in contact with each other to stabilize the bottom rod 401 and prevent it from rising or falling.

[0027] After the product processing is completed, by rotating the turntable 11, the ball groove 12 on the turntable 11 passes through the ball block 10 on each bottom rod 401. When the ball block 10 is facing the notch of the ball groove 12, the bottom rod 401 is lowered by the elastic force of the spring, and the ball block 10 on the bottom rod 401 is stuck in the cavity of the ball groove 12, so that each bottom rod 401 is lowered and reset in turn.

[0028] like Figure 1 and Figure 3 As shown, the adjustment mechanism includes three sets of bevel gear assemblies, each of which includes two bevel gears 13 meshing with each other. The three sets of bevel gear assemblies are respectively arranged between each two adjacent worms 8, and the two bevel gears 13 are respectively fixedly connected to the ends of the two adjacent worms 8.

[0029] like Figure 1 and Figure 2 As shown, two servo motors 14 are installed on the platform 1. The movable ends of the two servo motors 14 are fixedly connected to the end of the worm 8 at the end and the bottom of the turntable 11 respectively. The servo motors 14 are electrically connected to the power supply. The servo motors 14 used in this application are purchased parts, which are selected according to the power and size requirements. The system for controlling the switch adopts the module provided by the corresponding merchant, and this application will not go into details.

[0030] The servo motor 14 drives one of the worms 8 to rotate, and the worm 8 drives the corresponding worm wheel 7 to rotate. At the same time, the bevel gear 13 drives the other worms 8 to rotate together, so that the side walls 5 can move outward or inward together.

[0031] like Figure 1 and Figure 2As shown, vertical rods 15 distributed in a circumferential array are fixedly connected to the upper part of the platform 1, and vertical holes are opened in the upper template 2 at the corresponding position of each vertical rod 15. Each vertical rod 15 is slidably connected to each vertical hole. The top of the vertical rod 15 is fixedly connected to a mounting plate 16, and a hydraulic rod 17 is installed on the mounting plate 16. The telescopic end of the hydraulic rod 17 is fixedly connected to the upper part of the upper template 2;

[0032] The hydraulic rod 17 is used to drive the upper template 2 to rise and fall.

[0033] like Figure 1 As shown, two inclined support plates 18 are fixedly connected to one side of the side wall 5, and the inclined support plates 18 are slidably connected to the upper part of the platform 1;

[0034] The inclined support plate 18 is used to improve the sliding stability of the side wall 5 .

[0035] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A semi-dry pressing mold for pulp molding, comprising a platform (1), an upper mold plate (2) and a lower mold plate (3), characterized in that: The lower template (3) comprises a bottom plate (4) arranged on the platform (1) and side walls (5) distributed in a circumferential array, the side walls (5) are slidably connected to the upper part of the platform (1), a threaded rod (6) is fixedly connected to one side of the side wall (5), the outer threaded sleeve of the threaded rod (6) is provided with a threaded tube, the outer fixed sleeve of the threaded tube is provided with a worm gear (7), one side of the worm gear (7) is meshedly connected with a worm (8), the worm gear (7) and the worm (8) are both rotatably connected to the upper part of the platform (1), and an adjustment mechanism is provided on the platform (1) to drive each worm gear (8) to rotate together.

2. The semi-dry pressing mold for pulp molding according to claim 1, characterized in that: The bottom plate (4) includes bottom rods (401) distributed in a linear array, a mounting groove (9) is provided on the upper portion of the platform (1), the bottom rod (401) is slidably connected in the cavity of the mounting groove (9), and a slide groove is formed on both sides of the inner wall of the mounting groove (9), and sliders (402) slidably connected to the slide groove are fixedly connected to both sides of the bottom rod (401), and a spring is provided between the slider (402) and the top wall inside the slide groove.

3. The semi-dry pressing mold for pulp molding according to claim 2, characterized in that: The bottom of the bottom rod (401) is fixedly connected to a ball block (10), and the inner wall of the mounting groove (9) is rotatably connected to a turntable (11). The upper part of the turntable (11) is provided with two ball grooves (12) arranged in a mirror-symmetrical manner. The ball blocks (10) are adapted to the ball grooves (12), and each of the ball blocks (10) and the ball grooves (12) are on the same circular track.

4. The semi-dry pressing mold for pulp molding according to claim 1, characterized in that: The adjustment mechanism comprises three sets of bevel gear assemblies, each of which comprises two bevel gears (13) meshing with each other. The three sets of bevel gear assemblies are respectively arranged between each two adjacent worms (8), and the two bevel gears (13) are respectively fixedly connected to the ends of the two adjacent worms (8).

5. The semi-dry pressing mold for pulp molding according to claim 1, characterized in that: Two servo motors (14) are installed on the platform (1), and the movable ends of the two servo motors (14) are respectively fixedly connected to the end of the worm (8) at the end and the bottom of the turntable (11).

6. The semi-dry pressing mold for pulp molding according to claim 1, characterized in that: The upper part of the platform (1) is fixedly connected with vertical rods (15) distributed in a circumferential array, the upper template (2) is provided with vertical holes at corresponding positions relative to each vertical rod (15), each of the vertical rods (15) is slidably connected to each vertical hole, the top of the vertical rod (15) is fixedly connected with a mounting plate (16), a hydraulic rod (17) is installed on the mounting plate (16), and the telescopic end of the hydraulic rod (17) is fixedly connected to the upper part of the upper template (2).

7. The semi-dry pressing mold for pulp molding according to claim 1, characterized in that: Two inclined support plates (18) are fixedly connected to one side of the side wall (5), and the inclined support plates (18) are slidably connected to the upper part of the platform (1).

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