阅读说明：本技术 一种纸浆模塑成型机冷挤压装置 (Cold extrusion device of pulp molding machine ) 是由 宾东明 吴姣平 胡金鹏 欧阳天濠 于 2020-05-09 设计创作，主要内容包括：本发明涉及纸浆模塑技术领域,公开了一种纸浆模塑成型机冷挤压装置,设于纸浆模塑成型机转鼓的上方,包括机架、转轴、连杆和设于所述机架内部的拉杆、导向机构、冷挤压模,所述转轴可转动地设置在所述机架的顶部,所述转轴的两端各铰接一个所述连杆,所述连杆的另一端连接纸浆模塑成型机的驱动机构,所述拉杆的一端连接所述转轴,另一端与所述导向机构铰接,所述冷挤压模设置在所述导向机构的下端。本发明使得正对转鼓的上方设有与转鼓上的凸模相适配的冷挤压模,并保证冷挤压模在垂直方向作往复运动,从而使得产品在成型后及热压前先进行冷挤压,不仅可以挤走湿坯中水分,而且可以去除毛刺、改善产品的厚薄度、提高产品的表面质量。(The invention relates to the technical field of paper pulp molding, and discloses a cold extrusion device of a paper pulp molding machine, which is arranged above a rotary drum of the paper pulp molding machine and comprises a rack, a rotating shaft, a connecting rod, a pull rod, a guide mechanism and a cold extrusion die, wherein the pull rod, the guide mechanism and the cold extrusion die are arranged in the rack, the rotating shaft is rotatably arranged at the top of the rack, two ends of the rotating shaft are respectively hinged with one connecting rod, the other end of each connecting rod is connected with a driving mechanism of the paper pulp molding machine, one end of the pull rod is connected with the rotating shaft, the other end of the pull rod is hinged with the guide mechanism, and. The invention ensures that the cold extrusion die matched with the convex die on the rotary drum is arranged above the rotary drum and can make reciprocating motion in the vertical direction, thereby leading the product to be subjected to cold extrusion after molding and before hot pressing, not only extruding the moisture in a wet blank, but also removing burrs, improving the thickness of the product and improving the surface quality of the product.)

1. A cold extrusion device of a pulp molding machine is arranged above a rotary drum of the pulp molding machine, and is characterized in that: including frame, pivot, connecting rod and locating pull rod, guiding mechanism, the cold extrusion mould of frame inside, the pivot rotationally sets up the top of frame, the both ends of pivot respectively articulate one the connecting rod, the actuating mechanism of pulp molding machine is connected to the other end of connecting rod, the one end of pull rod is connected the pivot, the other end with guiding mechanism articulates, the cold extrusion mould sets up guiding mechanism's lower extreme.

2. The pulp molding machine cold extrusion apparatus of claim 1, wherein: the guide mechanism comprises a movable frame and a guide assembly arranged at the end part of the movable frame, the guide assembly is fixed on the rack, the cold extrusion die is arranged at the bottom end of the movable frame, and the pull rod is connected with the upper end of the movable frame.

3. The pulp molding machine cold extrusion apparatus of claim 2, wherein: the guide assembly comprises a guide rod fixedly arranged on the rack and a guide sleeve fixedly arranged on the movable frame, and the guide sleeve is sleeved on the guide rod and moves along the axial direction of the guide rod.

4. The pulp molding machine cold extrusion apparatus of claim 2, wherein: the movable frame is rectangular, the guide assemblies are four groups, and the four groups of guide assemblies are respectively arranged at four corners of the movable frame.

5. The pulp molding machine cold extrusion apparatus of claim 1, wherein: and a die holder is arranged between the cold extrusion die and the guide mechanism, the cold extrusion die is fixed at the lower end of the die holder, the upper end of the die holder is connected with a vent pipe, and the vent pipe is communicated with the cold extrusion die.

6. The pulp molding machine cold extrusion apparatus of claim 5, wherein: the lower end of the guide mechanism is provided with a connecting rod, the lower end of the connecting rod is provided with a connecting plate, the connecting plate is connected with the die holder through a bolt, a compression spring is sleeved on the bolt, and the compression spring is located between the connecting plate and the die holder.

7. The pulp molding machine cold extrusion device of any one of claims 1 to 6, wherein: a first rocker is arranged between the connecting rod and the rotating shaft, one end of the first rocker is connected with the rotating shaft, and the other end of the first rocker is hinged with the connecting rod.

8. The pulp molding machine cold extrusion device of any one of claims 1 to 6, wherein: and a second rocker is arranged between the pull rod and the rotating shaft, one end of the second rocker is connected with the rotating shaft, and the other end of the second rocker is hinged with the pull rod.

9. The pulp molding machine cold extrusion device of any one of claims 1 to 6, wherein: the outside of frame is equipped with the shrouding, the top of frame is equipped with the guard shield.

10. The pulp molding machine cold extrusion device of any one of claims 1 to 6, wherein: the cold extrusion die is made of polyurethane.

Technical Field

The invention relates to the technical field of paper pulp molding, in particular to a cold extrusion device of a paper pulp molding machine.

Background

The three-dimensional papermaking technology in the paper pulp molding is widely applied, the manufacturing process of the three-dimensional papermaking technology generally comprises raw material beating, batching, compression molding, drying, hot pressing and the like, however, in practical use, the problems of surface burrs and surface unevenness of products obtained by the processes are generally found.

Disclosure of Invention

In order to solve the technical problems, the invention provides a cold extrusion device of a paper pulp molding machine, which removes burrs on the surface of a product and improves the quality of the product.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the cold extrusion device of the pulp molding machine is arranged above a rotary drum of the pulp molding machine and comprises a frame, a rotating shaft, a connecting rod, a pull rod, a guide mechanism and a cold extrusion die, wherein the pull rod, the guide mechanism and the cold extrusion die are arranged in the frame, the rotating shaft is rotatably arranged at the top of the frame, two ends of the rotating shaft are respectively hinged with one connecting rod, the other end of the connecting rod is connected with a driving mechanism of the pulp molding machine, one end of the pull rod is connected with the rotating shaft, the other end of the pull rod is hinged with the guide mechanism, and the cold extrusion die is arranged at the lower.

Preferably, the guide mechanism comprises a movable frame and a guide assembly arranged at the end part of the movable frame, the guide assembly is fixed on the rack, the cold extrusion die is arranged at the bottom end of the movable frame, and the pull rod is connected with the upper end of the movable frame.

Preferably, the guide assembly comprises a guide rod fixedly arranged on the rack and a guide sleeve fixedly arranged on the movable frame, and the guide sleeve is sleeved on the guide rod and moves along the axial direction of the guide rod.

Preferably, the movable frame is rectangular, the number of the guide assemblies is four, and the four guide assemblies are respectively arranged at four corners of the movable frame.

Preferably, a die holder is arranged between the cold extrusion die and the guide mechanism, the cold extrusion die is fixed at the lower end of the die holder, the upper end of the die holder is connected with a vent pipe, and the vent pipe is communicated with the cold extrusion die.

Preferably, the lower end of the guide mechanism is provided with a connecting rod, the lower end of the connecting rod is provided with a connecting plate, the connecting plate is connected with the die holder through a bolt, the bolt is sleeved with a compression spring, and the compression spring is located between the connecting plate and the die holder.

Preferably, a first rocker is arranged between the connecting rod and the rotating shaft, one end of the first rocker is connected with the rotating shaft, and the other end of the first rocker is hinged with the connecting rod.

Preferably, a second rocker is arranged between the pull rod and the rotating shaft, one end of the second rocker is connected with the rotating shaft, and the other end of the second rocker is hinged with the pull rod.

Preferably, a sealing plate is arranged on the outer side of the rack, and a protective cover is arranged at the top of the rack.

Preferably, the material of the cold extrusion die is polyurethane.

Compared with the prior art, the cold extrusion device of the paper pulp molding machine has the beneficial effects that: the cold extrusion device of the pulp molding machine is arranged above the rotary drum of the pulp molding machine, so that the cold extrusion die matched with the convex die on the rotary drum is arranged above the rotary drum, and the reciprocating motion of the cold extrusion die in the vertical direction is ensured through the connecting rod and the guide mechanism, so that the product is subjected to cold extrusion after molding and before hot pressing, the moisture in a wet blank can be extruded, burrs can be removed, the thickness of the product is improved, and the surface quality of the product is improved. The invention has simple structure, good use effect and easy popularization and use.

Drawings

Fig. 1 is a schematic structural view of a cold extrusion device of a pulp molding machine of the present invention.

Fig. 2 is an isometric view of the cold press apparatus of the pulp molding machine of the present invention.

Fig. 3 is a schematic view of the connecting structure of the guiding mechanism and the cold extrusion die of the cold extrusion device of the pulp molding machine of the present invention.

FIG. 4 is a schematic view of the connecting structure between the pull rod and the cold extrusion die of the cold extrusion device of the pulp molding machine of the present invention.

Wherein: 1-a frame, 2-a rotating shaft, 3-a connecting rod, 4-a pull rod, 5-a guide mechanism, 51-a moving frame, 52-a guide rod, 53-a guide sleeve, 54-a connecting rod, 55-a connecting plate, 56-a bolt, 57-a compression spring, 6-a cold extrusion die, 7-a first rocker, 8-a second rocker, 9-a die holder, an a-vent pipe and b-a sealing plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, a cold extrusion device of a pulp molding machine according to a preferred embodiment of the present invention is disposed above a drum of the pulp molding machine, and includes a frame 1, a rotating shaft 2, a connecting rod 3, and a pull rod 4, a guide mechanism 5, and a cold extrusion die 6 disposed inside the frame 1, wherein the rotating shaft 2 is rotatably disposed on the top of the frame 1, two ends of the rotating shaft 2 are respectively hinged to one of the connecting rods 3, the other end of the connecting rod 3 is connected to a driving mechanism of the pulp molding machine, one end of the pull rod 4 is connected to the rotating shaft 2, the other end is hinged to the guide mechanism 5, and the cold extrusion die 6 is disposed at the lower end of the guide mechanism 5. Preferably, the material of the cold extrusion die 6 is polyurethane.

The cold extrusion device of the paper pulp molding machine based on the technical characteristics is characterized in that the cold extrusion device of the paper pulp molding machine is arranged above a rotary drum of the paper pulp molding machine, so that a cold extrusion die 6 matched with a convex die on the rotary drum is arranged above the rotary drum, and the reciprocating motion of the cold extrusion die 6 in the vertical direction is ensured through a connecting rod 3 and a guide mechanism 5, so that a product is subjected to cold extrusion after molding and before hot pressing, the moisture in a wet blank can be extruded, burrs can be removed, the thickness of the product is improved, and the surface quality of the product is improved. The invention has simple structure, good use effect and easy popularization and use.

In this embodiment, the guiding mechanism 5 includes a moving frame 51 and a guiding component disposed at an end of the moving frame 51, the guiding component is fixed on the frame 1, the cold extrusion die 6 is disposed at a bottom end of the moving frame 51, and the pull rod 4 is connected to an upper end of the moving frame 51. Specifically, the guide assembly includes a guide rod 52 fixedly disposed on the frame 1 and a guide sleeve 53 fixedly disposed on the moving frame 51, and the guide sleeve 53 is sleeved on the guide rod 52 and moves along the axial direction of the guide rod 52. During work, the connecting rod 3 drives the rotating shaft 2 to rotate under the action of the driving mechanism, the rotating shaft 2 drives the pull rod 4 to move, and meanwhile, the cold extrusion die 6 reciprocates along the vertical direction under the cooperation of the guide rod 52 and the guide sleeve 53.

In addition, for achieving the best effect, the movable frame 51 is rectangular, the guide assemblies are four groups, and the four groups of guide assemblies are respectively arranged at four corners of the movable frame 51, so that the stability of the cold extrusion die 6 moving along the guide mechanism 5 is ensured.

In this embodiment, a die holder 9 is disposed between the cold extrusion die 6 and the guiding mechanism 5, the cold extrusion die 6 is fixed at the lower end of the die holder 9, an air pipe a is connected to the upper end of the die holder 9, and the air pipe a is communicated with the cold extrusion die 6. Through set up on the die holder 9 breather pipe a carries high-pressure gas, works as cold extrusion die 6 has realized blowing to the product after the extrusion of product, makes the product stay on the terrace die of rotary drum, prevents that the product from following cold extrusion die 6 moves, guarantees going on smoothly of product preparation.

In addition, in order to ensure the cold extrusion effect and avoid the damage of the die or the product caused by the direct rigid contact between the cold extrusion die 6 and the male die on the rotary drum, the lower end of the guide mechanism 5 is provided with a connecting rod 54, the lower end of the connecting rod 54 is provided with a connecting plate 55, the connecting plate 55 is connected with the die holder 9 through a bolt 56, the bolt 56 is sleeved with a compression spring 57, and the compression spring 57 is positioned between the connecting plate 55 and the die holder 9, so that the damage possibly caused is avoided under the action of the compression spring 57.

In this embodiment, a first rocker 7 is arranged between the connecting rod 3 and the rotating shaft 2, one end of the first rocker 7 is fixedly connected to the rotating shaft 2, and the other end of the first rocker 7 is hinged to the connecting rod 3, so that the first rocker 7 swings along the rotating shaft 2; meanwhile, a second rocker 8 is arranged between the pull rod 4 and the rotating shaft 2, one end of the second rocker 8 is fixedly connected with the rotating shaft 2, the other end of the second rocker 8 is hinged to the pull rod 4, when the rotating shaft 2 rotates under the action of the first rocker 7, the rotating shaft 2 drives the second rocker 8 to swing along the rotating shaft 2, and therefore the second rocker 8 is driven by the first rocker 7 to swing along the shaft. Meanwhile, the other end of the pull rod 4 is hinged with the guide mechanism 5, so that the cold extrusion die 6 can reciprocate vertically under the action of the guide assembly 5.

In this embodiment, a sealing plate b is disposed on an outer side of the frame 1, and a protective cover (not shown) is disposed on a top of the frame 1. Through setting up shrouding b reaches the guard shield has not only improved the aesthetic property of paper pulp molding machine cold extrusion device also can protect its life to its inside structure.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.