阅读说明：本技术 一种曲面形竹木构件的压制装置 (Pressing device for curved bamboo-wood component ) 是由 魏洋 缪坤廷 柏佳文 丁明珉 董峰辉 于 2019-11-27 设计创作，主要内容包括：一种曲面形竹木构件的压制装置,由封闭式框架、千斤顶、中间横梁、上压板、下压板组成,千斤顶、中间横梁、上压板、下压板在横向位于封闭式框架的空间内,上压板为凸出弧形表面,下压板为凹进弧形表面,上压板与下压板接触处的弧形表面相互耦合,弧形表面耦合处夹置压制竹木板,每一水平位置处的中间横梁、上压板与下压板组成一组单层压制单元,多个单层压制单元上、下相连,各个中间横梁的两端留设有与封闭式框架的两侧的立柱的固定孔对应的销接孔,销栓与固定孔及销接孔处于插入或拔开状态,实现各个单层压制单元的固定与活动。本发明实现了曲面形的竹木构件的压制,单元化构造大大提升装置的灵活性、组装装配性。(The utility model provides a suppression device of curved surface shape bamboo wood component, by closed frame, the jack, the intermediate transverse beam, the top board, the holding down plate is constituteed, the jack, the intermediate transverse beam, the top board, the holding down plate is transversely located closed frame's space, the top board is the protrusion arc surface, the holding down plate is the concave yield arc surface, the arc surface intercoupling of top board and holding down plate contact department, arc surface intercoupling department presss from both sides and presses the bamboo plank, the intermediate transverse beam of each horizontal position department, a set of individual layer suppression unit is constituteed to the top board and holding down plate, a plurality of individual layer suppression units are upper and lower continuous, the pin hole that corresponds with the fixed orifices of the stand of closed frame's both sides is left at the both ends of each intermediate transverse beam, the pin bolt is in inserting or pulling out the state with fixed orifices and pin joint department, realize the fixed. The invention realizes the pressing of the curved bamboo and wood member, and the unitized structure greatly improves the flexibility and the assembly and assembly of the device.)

1. The utility model provides a suppression device of curved surface shape bamboo timber component, by closed frame (1), jack (2), intermediate beam (3), top board (4), holding down plate (5) are constituteed, a plurality of closed frame (1) of its characterized in that are arranged along vertical parallel, link to each other with discrete batten board (101), jack (2), intermediate beam (3), top board (4), holding down plate (5) are transversely lieing in the space of closed frame (1), top board (4) are protrusion arc surface, holding down plate (5) are concave yield arc surface, arc surface intercoupling of top board (4) and holding down plate (5) contact department, arc surface intercoupling department presss from both sides suppression bamboo board (6), top board (4) are equipped with airtight cavity and store conduction oil (41) and connect endless heat conduction oil pipe (42), intermediate beam (3) of each horizontal position, The upper pressing plate (4) and the lower pressing plate (5) form a group of single-layer pressing units (100), the single-layer pressing units (100) are connected up and down, the bottom end of the jack (2) is connected onto a bottom beam (11) of the closed frame (1), the top end of the jack (2) is jacked to a middle cross beam (3) of the single-layer pressing unit (100) on the first layer, the upper pressing plate (4) of the single-layer pressing unit (100) on the last layer is connected to a top beam (12) of the closed frame (1) in a supporting mode, pin joint holes (31) corresponding to fixing holes (131) of stand columns (13) on two sides of the closed frame (1) are reserved at two ends of each middle cross beam (3), and the pin bolts (7), the fixing holes (131) and the pin joint holes (31) are in an inserting or pulling-out state, so that fixing and moving of each single-layer pressing unit (.

2. The pressing device for the curved bamboo-wood member according to claim 1, wherein the number of the single-layer pressing units (100) is more than one.

3. The pressing device for the curved bamboo-wood member according to claim 1, characterized in that the inserted or pulled-out state of the pin (7) of the middle beam (3) corresponds to the working state of the single-layer pressing unit (100), and when the single-layer pressing units (100) of each layer work, the pin (7) is in the pulled-out state, otherwise, the pin (7) is in the inserted state.

4. The pressing device for the curved bamboo-wood member as claimed in claim 1, wherein the circulating heat conducting oil pipe (42) is connected to a hot oil tank, and a separate control switch (43) for circulating the heat conducting oil is provided corresponding to each upper pressing plate (4), and a temperature sensor, a heating element and a heating switch are provided in the hot oil tank.

5. The pressing device for the curved bamboo-wood member as claimed in claim 1, wherein flexible guy cables (32) are arranged on two sides of the middle cross beam (3), each flexible guy cable (32) is connected with the upper middle cross beam (3) and the lower middle cross beam (3), and the length of each flexible guy cable (32) is greater than or equal to the coupling depth of the contact part of the upper pressing plate (4) and the lower pressing plate (5) of the single-layer pressing unit (100) on the layer.

6. The pressing device for the curved bamboo-wood member according to claim 1, characterized in that the jacks (2) and the middle cross beam (3) correspond to the closed frames (1) and are arranged in the plane of the closed frames (1), the jacks (2) in the closed frames (1) have the same jacking speed, and the jacks (2) are tension-compression type jacks.

7. The pressing device for the curved bamboo-wood member as claimed in claim 1, wherein two side surfaces of the middle cross beam (3) are closely in sliding contact with the inner side surfaces of the upright columns (13), or rollers (33) are arranged to be closely in rolling contact with the inner side surfaces of the upright columns (13).

8. The pressing device for the curved bamboo-wood member as claimed in claim 1, wherein the fixing holes (131) of the upright columns (13) at the two sides of the closed frame (1) are in one-to-one correspondence with the heights of the left and right upright columns.

Technical Field

The invention belongs to the technical field of building material processing, relates to a pressing device for a bamboo member, and particularly relates to a pressing device for a curved bamboo member.

Background

At present, most building structures in China adopt brick-concrete structures and reinforced concrete structures, a large amount of clay products, cement and steel are needed to be used, and the building materials have the defects of high energy consumption, high pollution, difficult degradation after abandonment, poor heat insulation performance, poor earthquake resistance and the like. Under the current large environment of developing low-carbon economy, the novel building materials are the direction of the preferential development of civil engineering. The bamboo material is one of the most representative green and environment-friendly materials at present, and has the advantages of being green, ecological, environment-friendly, low-carbon and the like, wherein the curved-surface bamboo component is widely applied to civil engineering, such as a curved-surface bamboo component with an attractive effect, a cylindrical bamboo component, a circular concrete pier, a cylindrical construction template and the like.

However, the current pressing process of the bamboo and wood member is single, and only the bamboo and wood member can be pressed into a planar shape, for example, chinese patent CN106042135A discloses a reconstituted bamboo circulating pressing device, the die of which adopts a structure similar to channel steel, and the pressing of the solid cuboid reconstituted bamboo member is realized through a conveying device, a die closing device, a feeding device, a pressing machine and the like; for another example, chinese patent CN102862196A discloses a cold press for gluing bamboo-wood members, which utilizes a longitudinal pressing assembly, a lateral pressing member and a vertical pressing assembly arranged on a rack unit to process bamboo, wood, bamboo-wood composite and other composite materials into a glued beam member; the bamboo and wood members are pressed into regular shapes by the technology, such as cuboids, and the bamboo and wood members cannot be pressed into curved surfaces.

The technical problem of the pressing device of the prior curved surface-shaped bamboo component is that the curved surface-shaped die is complex in structure, the phenomena of wire explosion, cracking and the like are easily generated due to the influence of curvature when the bamboo fiber presses the curved surface, the pressing manufacturing process of the curved surface-shaped component is complex, and the production efficiency is low.

Disclosure of Invention

The invention relates to a pressing device for a curved bamboo component, which realizes efficient and high-quality manufacturing of the curved bamboo component and solves the technical problem of pressing of the curved bamboo component.

The invention provides a pressing device for a curved bamboo component, which solves the problem of pressing the bamboo component into a curved surface, uses a closed frame and a jack as the main body of the pressing device, uses a middle cross beam, an upper pressing plate and a lower pressing plate to form a group of single-layer pressing units, heats the bamboo component through circulating heat conduction oil stored in the upper pressing plate, keeps the bamboo component to finish pressing work in a heating state, avoids the phenomena of wire explosion, cracking and the like easily caused by the influence of curvature when the bamboo fiber presses the curved surface, realizes simultaneous pressing of a multi-layer curved bamboo component by combining a plurality of groups of single-layer pressing units up and down, can flexibly increase and decrease the pressing of the multi-layer curved bamboo component according to the needs, can realize the pressing of the curved bamboo component with various radians simultaneously, the production efficiency and the applicable flexibility of the pressing device are greatly improved.

In order to achieve the purpose, the invention adopts the following technical scheme: a pressing device for curved bamboo members is composed of a plurality of closed frames, jacks, middle cross beams, an upper pressing plate and a lower pressing plate, and is characterized in that the closed frames are arranged in parallel along the longitudinal direction and are connected by discrete batten plates, the jacks, the middle cross beams, the upper pressing plate and the lower pressing plate are transversely positioned in the space of the closed frames, the upper pressing plate is a convex arc-shaped surface, the lower pressing plate is a concave arc-shaped surface, the arc-shaped surfaces at the contact parts of the upper pressing plate and the lower pressing plate are mutually coupled, the bamboo plates are pressed at the coupling parts of the arc-shaped surfaces by clamping, the upper pressing plate is provided with a closed cavity for storing heat conduction oil and connecting with circulating heat conduction oil pipes, the bamboo members are heated by the circulating heat conduction oil stored in the upper pressing plate, the pressing work of the bamboo members is finished under the heating state, and the middle cross beams, the, the single-layer pressing units are connected up and down, the bottom ends of the jacks are connected onto the bottom beams of the closed frame, the top ends of the jacks are jacked to the middle cross beams of the single-layer pressing units on the first layer, the upper pressure plate of the single-layer pressing unit on the last layer is supported and connected to the top beams of the closed frame, pin connection holes corresponding to the fixing holes of the stand columns on the two sides of the closed frame are reserved at the two ends of each middle cross beam, and the pin bolts, the fixing holes and the pin connection holes are in an inserted or pulled-out state, so that the fixing and the moving of each single-layer pressing unit are.

The number of the single-layer pressing units is more than one, and the curvature radius and the size of the multiple groups of single-layer pressing units are random.

The inserting or pulling-out state of the pin bolt of the middle cross beam corresponds to the working state of the single-layer pressing units, when the single-layer pressing units of each layer work, the pin bolt is in the pulling-out state, otherwise, the pin bolt is in the inserting state, and the inserting or pulling-out of the pin bolt of the middle cross beam can determine the number of the single-layer pressing units participating in the work.

The circulating heat conduction oil pipe is connected to the hot oil tank, an independent control switch for circulating heat conduction oil is arranged corresponding to each upper pressing plate, a temperature sensor, a heating element and a heating switch are arranged in the hot oil tank, and each control switch can control whether the circulating heat conduction oil stored in the upper pressing plate of each single-layer pressing unit participates in the circulating work.

The two sides of the middle cross beam are provided with flexible cables, each flexible cable is connected with the upper middle cross beam and the lower middle cross beam, the length of each flexible cable is larger than or equal to the coupling depth of the contact part of the upper pressing plate and the lower pressing plate of the single-layer pressing unit on the layer, and the flexible cables can drive the lower pressing plates to be separated from the corresponding upper pressing plates when the jack contracts, so that the bamboo board formed by pressing can be conveniently demoulded.

The jacks and the middle cross beams correspond to the closed frames and are arranged in the plane of each closed frame, the lifting speeds of the jacks in the closed frames are the same, and the jacks are tension-compression type jacks.

The two side surfaces of the middle cross beam are in close sliding contact with the inner side surfaces of the upright columns, or the rollers are arranged to be in close rolling contact with the inner side surfaces of the upright columns, and the arranged rollers reduce friction force in the pressing and demolding processes.

The heights of the left and right upright posts of the fixing holes of the upright posts on the two sides of the closed frame are the same in a one-to-one correspondence mode.

The oil cylinder stroke of the jack is more than or equal to the sum of the coupling depths of the contact parts of the upper pressing plates and the lower pressing plates of the multiple groups of single-layer pressing units.

In the invention, the whole pressing device is in a vertical or horizontal state, when in the vertical state, the jack is vertically arranged at the bottom or vertically arranged at the top, and when in the horizontal state, the jack is horizontally arranged.

The invention has the advantages of obvious advantages and the following beneficial effects:

(1) the pressing of the bamboo and wood components with curved surfaces is realized, the method can be directly applied to actual engineering, and the usability of the bamboo and wood materials is greatly improved.

(2) The middle cross beam, the upper pressing plate and the lower pressing plate are used as single-layer pressing units, and the flexibility and the assembling performance of the device are greatly improved due to the unitized structure.

(3) The flexible temperature control keeps the bamboo and wood components to finish the pressing work in a heating state, and avoids the defects of wire explosion, cracking and the like of the bamboo and wood fibers when the curved surfaces are pressed.

(4) The multi-group single-layer pressing units are combined into more than one unit up and down, the curvature radius and the size of the multi-group single-layer pressing units are random, simultaneous pressing of the multi-layer curved-surface bamboo and wood members is achieved, and pressing of the multi-layer curved-surface bamboo and wood members can be flexibly increased and decreased according to needs.

(5) The manufacturing process is fast, convenient and flexible, and has higher production efficiency.

Description of the drawings:

FIG. 1 is a front view of the overall structure of a pressing apparatus for curved bamboo-wood members;

FIG. 2 is a top view of a curved bamboo member pressing apparatus at section A-A;

FIG. 3 is a front view of a pressing apparatus for curved bamboo members provided with rollers;

FIG. 4 is a front view of a pressing apparatus for curved bamboo-wood members in a ready-to-press state;

FIG. 5 is a front view of a single layer press unit of a press apparatus for curved bamboo and wood components;

FIG. 6 is a top view of a single layer press unit of a press for curved bamboo and wood components;

FIG. 7 is a side view of a single layer press unit of a press for curved bamboo and wood components;

in the drawings, 1 is a closed frame; 11 is a bottom beam; 12 is a top beam; 13 is a column; 131 is a fixing hole; 2 is a jack; 3 is a middle beam; 31 is a pin joint hole; 32 is a flexible inhaul cable; 33 is a roller; 4 is an upper pressure plate; 41 is heat conducting oil; 42 is a heat conducting oil pipe; 43 is a control switch; 5 is a lower pressing plate; 6 is a bamboo board; 7 is a pin bolt; 100 is a single layer press unit; 101 is a batten plate.

The specific implementation mode is as follows:

the invention is further described with reference to the accompanying drawings and the detailed description below: the invention provides a pressing device for a curved bamboo-wood member, which consists of closed frames 1, jacks 2, intermediate beams 3, an upper pressing plate 4 and a lower pressing plate 5, and is characterized in that a plurality of closed frames 1 are longitudinally arranged in parallel and connected by discrete batten plates 101, the jacks 2, the intermediate beams 3, the upper pressing plate 4 and the lower pressing plate 5 are transversely positioned in a space of the closed frames 1, the upper pressing plate 4 is a convex arc-shaped surface, the lower pressing plate 5 is a concave arc-shaped surface, the arc-shaped surfaces at the contact parts of the upper pressing plate 4 and the lower pressing plate 5 are mutually coupled, the arc-shaped surface coupling parts sandwich and press bamboo-wood plates 6, the upper pressing plate 4 is provided with a closed cavity for storing heat conduction oil 41 and a heat conduction oil pipe 42 for connecting and circulating, the intermediate beams 3, the upper pressing plate 4 and the lower pressing plate 5 at each horizontal position form a group of single-layer pressing units 100, and the, The bottom ends of the jacks 2 are connected to the bottom beam 11 of the closed frame 1, the top ends of the jacks 2 are jacked to the middle cross beam 3 of the first layer of single-layer pressing units 100, the upper pressure plate 4 of the last layer of single-layer pressing units 100 is connected to the top beam 12 of the closed frame 1 in a supporting mode, pin joint holes 31 corresponding to the fixing holes 131 of the upright posts 13 on the two sides of the closed frame 1 are reserved at the two ends of each middle cross beam 3, and the pin bolts 7, the fixing holes 131 and the pin joint holes 31 are in an inserting or pulling-out state, so that the fixing and the moving of each single-layer pressing unit 100 are achieved.

The number of the single-layer pressing units 100 is more than one, and the curvature radius and the size of the multiple groups of single-layer pressing units 100 are arbitrary.

The inserted or pulled-out state of the pin 7 of the middle cross beam 3 corresponds to the working state of the single-layer pressing unit 100, when the single-layer pressing units 100 of each layer work, the pin 7 is in the pulled-out state, otherwise, the pin 7 is in the inserted state.

The circulating heat conducting oil pipe 42 is connected to the hot oil tank, an independent control switch 43 for circulating the heat conducting oil is arranged corresponding to each upper pressing plate 4, and a temperature sensor, a heating element and a heating switch are arranged in the hot oil tank.

The two sides of the middle cross beam 3 are provided with flexible guy cables 32, each flexible guy cable 32 is connected with the upper middle cross beam 3 and the lower middle cross beam 3, the length of the flexible guy cable 32 is more than or equal to the coupling depth of the contact part of the upper pressing plate 4 and the lower pressing plate 5 of the single-layer pressing unit 100 of the layer, and the flexible guy cable 32 is one of a flexible rope and a metal chain.

The jacks 2 and the middle cross beam 3 correspond to the closed frames 1 and are arranged in the plane of each closed frame 1, the jacks 2 in the closed frames 1 have the same jacking speed, and the jacks 2 are tension-compression type jacks.

The two side surfaces of the middle cross beam 3 are closely in sliding contact with the inner side surface of the upright post 13, or are provided with rollers 33 which are closely in rolling contact with the inner side surface of the upright post 13.

The heights of the left and right vertical columns of the fixing holes 131 of the vertical columns 13 on the two sides of the closed frame 1 are the same in a one-to-one correspondence mode.

The oil cylinder stroke of the jack 2 is more than or equal to the sum of the coupling depths of the contact parts of the upper pressing plate 4 and the lower pressing plate 5 of the multiple groups of single-layer pressing units 100.

In the invention, the whole pressing device is in a vertical or horizontal state, when the pressing device is in the vertical state, the jack 2 is vertically arranged at the bottom or vertically arranged at the top, and when the pressing device is in the horizontal state, the jack 2 is horizontally arranged. In the embodiment, the jack 2 is vertically arranged at the bottom, and the jack 2 is positioned at the bottom of the closed frame 1; if the jack 2 is vertically arranged, namely the device rotates 180 degrees, the jack 2 is positioned at the top of the closed frame 1; when the jack 2 is horizontally placed, the device of the embodiment rotates 90 degrees.