Device and method for producing a molded body

Abstract

The present disclosure relates to the field of machinery, and specifically to a device and method for manufacturing a molded body. The device for manufacturing a molded body provided by the present disclosure includes: a supporting structure; a main pressure chamber fixed to the supporting structure; a pre-compression chamber horizontally connected to the main pressure chamber, and the connection between the pre-compression chamber and the main pressure chamber has a connecting port; a feeding mechanism, the feeding mechanism is connected to the pre-compression chamber; a first pushing mechanism horizontally connected to the pre-compression chamber, the first pushing mechanism has a first pushing part and a first driving device, and the first pushing part is arranged opposite to the connecting port; and a molding end and a second pushing mechanism, respectively arranged on opposite sides of the main pressure chamber, and the second pushing mechanism has a second pushing part and a second driving device; wherein the second pushing part can be moved to the position of the connecting port under the drive of the second driving device to block the connecting port.

Description

Technical Field

[0001] The present disclosure relates to the field of machinery, and in particular to a device and method for manufacturing a molded body. Background Art

[0002] The wall material forming machine has a pre-compression chamber and a main compression chamber. The blank is first fed into the pre-compression chamber by a feeding mechanism and is initially compressed in the pre-compression chamber, and then fed into the main compression chamber for compression molding.

[0003] In an existing molding machine, the pre-compression chamber and the main compression chamber are in the same straight line, so that the molding material is always subjected to unidirectional force during extrusion molding, which easily causes uneven density and poor quality of the molded body.

[0004] Chinese invention patent publication number CN103722612 A also discloses a plastic partition wall strip forming machine. The pre-compression chamber of the forming machine is located above the main pressure chamber. A movable insert plate is provided between the pre-compression chamber and the main pressure chamber to isolate and connect the pre-compression chamber and the main pressure chamber. However, the insert plate is subjected to a large thrust when the pre-compression cylinder extrudes the blank, which easily causes deformation. Once the insert plate deforms, the forming machine cannot operate normally. Furthermore, the insert plate requires an additional insert plate cylinder to drive it, resulting in high equipment costs. The pre-compression chamber and pre-compression cylinder are located above the main pressure chamber, resulting in an excessively high overall height of the equipment, making it difficult to operate, maintain, and repair. Summary of the Invention

[0005] This summary is provided to briefly introduce concepts that will be described in detail in the detailed description below. This summary is not intended to identify key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0006] According to one or more embodiments of the present disclosure, there is provided an apparatus for manufacturing a molded body, comprising:

[0007] Support structure;

[0008] a main pressure chamber, fixed to the support structure;

[0009] A pre-compression chamber is horizontally connected to the main pressure chamber, and a communication port is provided at the connection point between the pre-compression chamber and the main pressure chamber;

[0010] a feeding mechanism, the feeding mechanism being in communication with the pre-compression chamber;

[0011] a first pushing mechanism horizontally connected to the pre-compression chamber, the first pushing mechanism comprising a first pushing portion and a first driving device, the first pushing portion being arranged opposite to the communication port; and

[0012] The forming end and the second pushing mechanism are respectively arranged on opposite sides of the main pressure chamber, and the second pushing mechanism has a second pushing portion and a second driving device;

[0013] Wherein, the second pushing portion can be moved to the position where the communication port is located under the driving of the second driving device to block the communication port.

[0014] According to one or more embodiments of the present disclosure, a method for manufacturing a molded body is provided. The molded body is manufactured using the apparatus for manufacturing a molded body provided according to one or more embodiments of the present disclosure, comprising:

[0015] Feeding process, the blank is filled into the pre-pressing cavity through the feeding mechanism;

[0016] a pre-pressing process, in which the first pushing portion, driven by the first driving device, squeezes the blank in the pre-pressing chamber while the second pushing portion is located at the position where the communicating port is located to block the communicating port, the second pushing portion, driven by the second driving device, retreats to open the communicating port, and the first pushing portion, driven by the first driving device, pushes the blank into the main pressing chamber;

[0017] In the forming step, the second pushing portion is driven by the second driving device to extrude the blank in the main pressure chamber from the forming end to obtain a formed body.

[0018] The beneficial effects of the present disclosure are:

[0019] (1) By horizontally connecting the pre-compression chamber with the main pressure chamber and horizontally connecting the first pushing mechanism with the pre-compression chamber, the pre-compression chamber and the first pushing mechanism are both arranged on the horizontal side of the main pressure chamber, thereby reducing the overall height of the device for manufacturing the molded body, making it easier for operators to repair and maintain the equipment, and making it safer for operators to operate the equipment;

[0020] (2) By enabling the second pushing portion to be moved to the position of the communication port between the pre-compression chamber and the main pressure chamber under the drive of the second driving device to block the communication port, there is no need to provide an additional movable plug plate or other movable blocking device at the communication port, nor is there a need to provide a driving device for the movable blocking device. In this way, deformation of the movable plug plate during the pre-compression process can be prevented and equipment costs can be reduced;

[0021] (3) By arranging the first pushing portion relative to the connecting port between the pre-compression chamber and the main pressure chamber, arranging the forming end relative to the second pushing portion, and connecting the pre-compression chamber to the main pressure chamber horizontally, the pushing direction of the first pushing mechanism and the pushing direction of the second pushing mechanism are perpendicular and horizontal, so that the blank receives two different horizontal extrusion forces in turn during the extrusion molding process, thereby making the extrusion of the blank in the horizontal direction more uniform, thereby improving the uniformity of the density of the formed body. This effect is particularly prominent for plate-like formed bodies with a large plane area. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other features, advantages, and aspects of the various embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the originals and elements are not necessarily drawn to scale.

[0023] Figure 1 A front view schematically showing a simplified structure of an apparatus for manufacturing a molded body according to one embodiment of the present disclosure;

[0024] Figure 2 for Figure 1 A top view of the apparatus for producing a molded body shown;

[0025] Figure 3 for Figure 1 A rear view of the apparatus for manufacturing a molded body is shown;

[0026] Figure 4 The figure is a schematic structural diagram of a pre-compression chamber according to one embodiment of the present disclosure. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present disclosure in more detail with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of protection of the present disclosure.

[0028] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to." The term "based on" means "based, at least in part, on." The term "one embodiment" means "at least one embodiment," the term "another embodiment" means "at least one additional embodiment," and the term "some embodiments" means "at least some embodiments." Other terms are defined in the following description.

[0029] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0030] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0031] Specific reference Figure 1-3 , generally indicated at 100, is an apparatus for manufacturing a molded body. The apparatus is used to compress and mold a blank into a molded body. The blank can be a non-homogeneous material with varying densities, such as agricultural waste. The apparatus for manufacturing the molded body squeezes the blank therein using a pushing structure to ultimately extrude a molded body. In some embodiments, the molded body is a sheet-like molded body.

[0032] The device 100 for manufacturing a molded body includes a support structure 110, a main pressure chamber 120, a pre-pressure chamber 130, a feeding mechanism 140, a first pushing mechanism 150, a molding end 160 and a second pushing mechanism 170, which will be described in detail below.

[0033] The support structure 110 is used to support the main pressure chamber 120. Optionally, the support structure 110 can be a fixed structure such as a frame or a base.

[0034] The main pressure chamber 120 is fixed to the support structure 110 and is used as a container for extruding the billet. The billet is extruded inside the main pressure chamber. Optionally, the main pressure chamber 120 can be roughly rectangular, with its long side in the direction of the billet being extruded by the pushing mechanism.

[0035] The pre-compression chamber 130 is horizontally connected to the main pressure chamber 120. A communication port 121 is defined at the connection point between the pre-compression chamber 130 and the main pressure chamber 120. The pre-compression chamber 130 serves as a container for the initial extrusion of the billet. The loose billet is compressed into a denser solid block within the pre-compression chamber, where it is then pushed horizontally into the main pressure chamber through the communication port 121 for further extrusion and shaping. Alternatively, the pre-compression chamber can be roughly rectangular.

[0036] The feeding mechanism 140 is in communication with the pre-pressing chamber 130 and is used to actively or passively feed the blank into the pre-pressing chamber.

[0037] The first pushing mechanism 150 is horizontally connected to the pre-compression chamber 130 and includes a first pushing portion 151 and a first driving device 152. The first pushing portion 151 is disposed opposite the communication port 121, and can be driven by the first driving device 152 to push the blank in the pre-compression chamber 130 toward the communication port 121. The first driving device can be a pneumatic cylinder, a hydraulic cylinder, or other power device that can provide a linear driving force, and can be connected to the first pushing portion via a driving rod.

[0038] The forming end 160 and the second pushing mechanism 170 are respectively arranged on opposite sides of the main pressure chamber 120, and the second pushing mechanism 170 has a second pushing portion 171 and a second driving device 172. In the embodiment of the present disclosure, the second pushing portion 171 can be moved to the position of the connecting port 121 under the drive of the second driving device 172 to block the connecting port 121. Those skilled in the art will understand that by setting the area of ​​the side of the second pushing portion 171 that is in contact with the connecting port 121 to be not less than the area of ​​the connecting port 121, the second pushing portion 171 can block the connecting port 121. The second driving device can be a pneumatic cylinder, a hydraulic cylinder or other power device that can provide a linear driving force, which can be connected to the second pushing portion through a driving rod.

[0039] The forming end 160 has a forming opening, from which the blank is extruded under the extrusion of the second pushing mechanism to form a formed body. The forming opening can be set according to the shape of the formed body. In some embodiments, the horizontal length of the forming opening is greater than the vertical height, so that it can be used to manufacture a plate-shaped formed body.

[0040] According to one or more embodiments provided by the present disclosure, a method for manufacturing a molded body using the apparatus 100 for manufacturing a molded body includes a feeding process, a pre-pressing process, and a molding process, which are described in detail as follows.

[0041] In the feeding process, the blank is filled into the pre-pressing cavity 130 through the feeding mechanism 140 .

[0042] In the pre-pressing process, when the second pushing portion 171 is located at the position of the communicating port 121 between the pre-pressing chamber 130 and the main pressure chamber 120 and blocks the communicating port 121, the pre-pressing chamber 130 forms a relatively closed space, and the first pushing portion 151 squeezes the blank in the pre-pressing chamber under the drive of the first driving device 152 to compress the blank into a solid block with a relatively higher density; after the compression is completed, the second pushing portion 171 retreats under the drive of the second driving device 172 to open the communicating port 121, and the first pushing portion 151 pushes the blank into the main pressure chamber 120 under the drive of the first driving device 152.

[0043] It should be noted that the initial default position of the second pushing portion may be located at the position where the communication port 121 is located, or may be located at other positions in the main pressure chamber, and the present disclosure does not impose such a limitation.

[0044] It should also be noted that the direction in which the second pushing portion "retreats" in the present disclosure refers to the direction opposite to the direction in which the second pushing portion pushes the blank.

[0045] Advantageously, the side of the first pushing portion 151 relative to the connecting port 121 can be designed to be no smaller than the connecting port 121. The first pushing portion 151 can stay at the position of the connecting port 121 after the blank is pushed into the main pressure chamber 120 to seal the connecting port 121, thereby providing a relatively closed space for the subsequent extrusion of the blank in the main pressure chamber, and preventing the blank from leaking from the connecting port 121 during the extrusion process.

[0046] In the forming process, the second pushing portion 171 is driven by the second driving device 172 to extrude the blank in the main pressure chamber 120 from the forming end 160 to obtain a formed body.

[0047] In the embodiment of the present disclosure, the blanks in the main pressure chamber 120 can be multiple batches of pre-pressed and compressed blanks. For a batch of blanks, the time consumed by the pre-pressing process is usually shorter than the time consumed by the forming process. Therefore, after each pre-pressing process is completed, the second pushing portion 171 can push the pre-pressed blanks located at the connecting port 121 to the forming end, thereby making room for the next batch of pre-pressed blanks. In this way, after repeating the above steps, the main pressure chamber can contain multiple batches of pre-pressed and compressed blanks. Then, the forming process is started, and multiple batches of pre-pressed and compressed blanks can be compressed and formed together, thereby improving production efficiency.

[0048] The beneficial effects of the present disclosure are:

[0049] (1) By horizontally connecting the pre-compression chamber with the main pressure chamber and horizontally connecting the first pushing mechanism with the pre-compression chamber, the pre-compression chamber and the first pushing mechanism are both arranged on the horizontal side of the main pressure chamber, thereby reducing the overall height of the device for manufacturing the molded body, making it easier for operators to repair and maintain the equipment, and making it safer for operators to operate the equipment;

[0050] (2) By enabling the second pushing portion to be moved to the position of the communication port between the pre-compression chamber and the main pressure chamber under the drive of the second driving device to block the communication port, there is no need to provide an additional movable plug plate or other movable blocking device at the communication port, nor is there a need to provide a driving device for the movable blocking device. In this way, deformation of the movable plug plate during the pre-compression process can be prevented and equipment costs can be reduced;

[0051] (3) By arranging the first pushing portion relative to the connecting port between the pre-compression chamber and the main pressure chamber, arranging the forming end relative to the second pushing portion, and connecting the pre-compression chamber to the main pressure chamber horizontally, the pushing direction of the first pushing mechanism and the pushing direction of the second pushing mechanism are perpendicular and horizontal, so that the blank receives two different horizontal extrusion forces in turn during the extrusion molding process, thereby making the extrusion of the blank in the horizontal direction more uniform, thereby improving the uniformity of the density of the formed body. This effect is particularly prominent for plate-like formed bodies with a large plane area.

[0052] In some embodiments, reference Figure 1-3 , the feeding mechanism 140 has a feeding hopper 141, a silo 142 and a third pushing mechanism 143, and the third pushing mechanism 143 has a third pushing part 1431 and a third driving device 1432. Among them, the silo 142 is horizontally connected to the pre-compression chamber 130, and the connecting port between the silo 142 and the pre-compression chamber 130 is arranged opposite to the third pushing part 1431. In the embodiment of the present disclosure, the blank enters the silo from the feeding hopper 141, and the third pushing part 1431 pushes the blank in the silo into the pre-compression chamber 130 under the drive of the third driving device 1432. Optionally, the silo is roughly rectangular, and the feeding hopper is funnel-shaped and located above the silo. The third driving device can be a pneumatic cylinder, a hydraulic cylinder or other power device that can provide linear driving force, which can be connected to the third pushing part through a driving rod.

[0053] In some embodiments, the feeding mechanism may be an opening structure located on the pre-pressing cavity, and the blank enters the pre-pressing cavity through the opening structure.

[0054] In some embodiments, reference Figure 3 A funnel-shaped feeding mechanism 240 is located above the pre-pressing chamber 230, and the blank can be poured into the pre-pressing chamber through the funnel-shaped feeding mechanism.

[0055] In some embodiments, an exhaust mechanism 180 is provided on one end of the main pressure chamber 120 near the molding end 160. By providing the exhaust mechanism, the air in the main pressure chamber can be effectively exhausted to prevent the air from forming a cavity in the molding body.

[0056] In some preferred embodiments, the exhaust mechanism 180 is located on the side and / or lower side of the main pressure chamber 120. By arranging the exhaust mechanism on the side and / or lower side of the main pressure chamber 120, the embodiment of the present disclosure can prevent the blanks brought out by the exhaust mechanism from clogging the exhaust holes, thereby achieving automatic material clearing.

[0057] In some embodiments, a sieve plate having through holes is provided at the connection between the feed mechanism and the pre-pressing chamber. By providing a sieve plate having through holes at the connection between the feed mechanism and the pre-pressing chamber, the disclosed embodiments can filter out large impurities in the blank, thereby improving the quality and fineness of the formed body.

[0058] In some embodiments, the width of the connecting port 121 in the first direction is W, and the distance between the connecting port 121 and the forming end 160 in the first direction is L; wherein L is greater than or equal to nW, and n is a positive integer; the first direction is the moving direction of the second pushing portion. The length of the pre-compressed blank in the main pressure chamber is usually equal to the width W of the connecting port 121. The length from the connecting port 121 to the forming end 160 on the main pressure chamber 120 of the embodiment of the present disclosure is greater than a positive integer multiple of the connecting port 121, so that multiple batches of pre-compressed blanks can be temporarily stored in the main pressure chamber. For a batch of blanks, the time consumed in the pre-compression process is usually shorter than the time consumed in the forming process. Therefore, the device for manufacturing a formed body in the embodiment of the present disclosure can compress and form multiple batches of pre-compressed blanks in the main pressure chamber at one time after pre-compressing the blanks multiple times, thereby improving production efficiency.

[0059] It should be noted that, in the present disclosure, “the distance L between the communicating port and the forming end in the first direction” refers to the distance in the first direction between an end of the communicating port close to the forming end and an end of the forming end close to the communicating port.

[0060] While the apparatus and method for manufacturing a molded article of the present invention have been described above, the present disclosure is not limited thereto. Each component constituting the apparatus and method for manufacturing a molded article may be replaced with any other component that performs the same function. Furthermore, any additional components may be provided.

[0061] According to one or more embodiments of the present disclosure, there is provided a device for manufacturing a formed body, comprising: a supporting structure; a main pressure chamber fixed to the supporting structure; a pre-compression chamber horizontally connected to the main pressure chamber, the connection between the pre-compression chamber and the main pressure chamber having a connecting port; a feeding mechanism, the feeding mechanism being connected to the pre-compression chamber; a first pushing mechanism horizontally connected to the pre-compression chamber, the first pushing mechanism having a first pushing part and a first driving device, the first pushing part being arranged opposite to the connecting port; and a forming end and a second pushing mechanism, respectively arranged on opposite sides of the main pressure chamber, the second pushing mechanism having a second pushing part and a second driving device; wherein the second pushing part can be moved to the position of the connecting port under the drive of the second driving device to seal the connecting port.

[0062] According to one or more embodiments of the present disclosure, an exhaust mechanism is provided on one end of the main pressure chamber close to the molding end.

[0063] According to one or more embodiments of the present disclosure, the exhaust mechanism is located on a side of the main pressure chamber.

[0064] According to one or more embodiments of the present disclosure, a sieve plate is provided at the connection point between the feeding mechanism and the pre-pressing chamber, and the sieve plate has a through hole.

[0065] According to one or more embodiments of the present disclosure, the feeding mechanism has a feeding port, a silo and a third pushing mechanism; the third pushing mechanism has a third pushing part and a third driving device; the silo is horizontally connected to the pre-compression chamber, and the connecting port between the silo and the pre-compression chamber is arranged opposite to the third pushing part.

[0066] According to one or more embodiments of the present disclosure, the width of the connecting port in the first direction is W, and the distance between the connecting port and the forming end in the first direction is L; wherein L is greater than or equal to nW, and n is a positive integer; the first direction is the moving direction of the second pushing portion.

[0067] According to one or more embodiments of the present disclosure, the forming end has a forming opening, and the horizontal length of the forming opening is greater than the vertical height.

[0068] According to one or more embodiments of the present disclosure, a method for manufacturing a molded body is provided, and a molded body is manufactured using an apparatus for manufacturing a molded body provided by one or more embodiments of the present disclosure, including: a feeding process, in which the blank is filled into a pre-pressing chamber through a feeding mechanism; a pre-pressing process, in which when the second pushing part is located at the position where the communicating port is located to block the communicating port, the first pushing part squeezes the blank in the pre-pressing chamber under the drive of a first driving device, the second pushing part retreats under the drive of the second driving device to open the communicating port, and the first pushing part pushes the blank into the main pressure chamber under the drive of the first driving device; a molding process, in which the second pushing part squeezes the blank in the main pressure chamber from the molding end under the drive of the second driving device to obtain the molded body.

[0069] In addition, although each operation is described in a specific order, this should not be understood as requiring these operations to be performed in the specific order shown or in a sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Similarly, although some specific implementation details have been included in the above discussion, these should not be interpreted as limiting the scope of the present disclosure. Some features described in the context of a separate embodiment can also be implemented in a single embodiment in combination. On the contrary, the various features described in the context of a single embodiment can also be implemented in multiple embodiments individually or in any suitable sub-combination mode.

[0070] Although the subject matter has been described using language specific to structural features, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features described above. Rather, the specific features described above are merely example forms of implementing the claims.

Claims

1. A device for manufacturing a molded body, characterized in that include: Support structure; A main pressure chamber, fixed to the support structure; A pre-compression chamber, horizontally connected to the main pressure chamber, wherein the connection between the pre-compression chamber and the main pressure chamber is provided with a communication port; A feeding mechanism, the feeding mechanism being in communication with the pre-compression chamber; A first pushing mechanism is horizontally connected to the pre-compression chamber, the first pushing mechanism comprises a first pushing portion and a first driving device, the first pushing portion is arranged opposite to the communication port; as well as The forming end and the second pushing mechanism are respectively arranged on two opposite sides of the main pressure chamber, and the second pushing mechanism has a second pushing part and a second driving device; Wherein, the second pushing portion can be moved to the position where the communication port is located under the driving of the second driving device to block the communication port.

2. The device for manufacturing a molded body according to claim 1, characterized in that An exhaust mechanism is arranged on one end of the main pressure chamber close to the forming end.

3. The device for manufacturing a molded body according to claim 2, characterized in that: The exhaust mechanism is located on a side surface of the main pressure chamber.

4. The device for manufacturing a molded body according to claim 1, characterized in that A sieve plate is provided at the connection point between the feeding mechanism and the pre-pressing chamber, and the sieve plate has a through hole.

5. The device for manufacturing a molded body according to claim 1, characterized in that: The feeding mechanism comprises a feeding port, a silo and a third pushing mechanism; The third pushing mechanism comprises a third pushing portion and a third driving device; The material bin is horizontally connected to the pre-compression chamber, and a connecting port between the material bin and the pre-compression chamber is arranged opposite to the third pushing portion.

6. The device for manufacturing a molded body according to claim 1, characterized in that The width of the communication port in the first direction is W, and the distance between the communication port and the forming end in the first direction is L; Wherein, L is greater than or equal to nW, n is a positive integer; and the first direction is the moving direction of the second pushing portion.

7. The device for manufacturing a molded body according to claim 1, characterized in that The forming end has a forming opening, and the horizontal length of the forming opening is greater than the vertical height.

8. A method for producing a molded body, characterized in that: A method for manufacturing a molded body using the device for manufacturing a molded body according to any one of claims 1 to 7, comprising: A feeding process in which the blank is filled into the pre-pressing cavity through the feeding mechanism; A pre-pressing process, in which the first pushing part squeezes the blank in the pre-pressing chamber under the drive of the first driving device when the second pushing part is located at the position where the communicating port is located to block the communicating port, the second pushing part retreats under the drive of the second driving device to open the communicating port, and the first pushing part pushes the blank into the main pressing chamber under the drive of the first driving device; In the forming step, the second pushing portion, driven by the second driving device, extrude the blank in the main pressure chamber from the forming end to obtain a formed body.

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