CN110733114A - ceramic clay kneading equipment - Google Patents

ceramic clay kneading equipment Download PDF

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Publication number
CN110733114A
CN110733114A CN201911201353.7A CN201911201353A CN110733114A CN 110733114 A CN110733114 A CN 110733114A CN 201911201353 A CN201911201353 A CN 201911201353A CN 110733114 A CN110733114 A CN 110733114A
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CN
China
Prior art keywords
arm
driving mechanism
pressing plate
ceramic clay
connecting rod
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Granted
Application number
CN201911201353.7A
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Chinese (zh)
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CN110733114B (en
Inventor
陈志翰
黄诗福
黄太松
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FUJIAN JIAMEI GROUP Co
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FUJIAN JIAMEI GROUP Co
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Priority to CN201911201353.7A priority Critical patent/CN110733114B/en
Publication of CN110733114A publication Critical patent/CN110733114A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C3/00Apparatus or methods for mixing clay with other substances

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

kneading equipment for ceramic clay relates to the technical field of ceramic processing, wherein a workbench is horizontally arranged on a frame, a turntable is horizontally and rotatably embedded on the workbench and is provided with a ratchet wheel driving mechanism which enables the turntable to rotate in one direction, a left pressing plate and a right pressing plate are arranged on the frame in a left-right moving mode through a screw rod sliding table driving mechanism, the left pressing plate and the right pressing plate are oppositely distributed on the left side and the right side of the turntable, and the upper pressing plate is movably arranged on the frame and is positioned above the turntable in a mode that the motion trail is approximately elliptic through a multi-connecting rod driving mechanism.

Description

ceramic clay kneading equipment
Technical Field
The invention relates to the technical field of ceramic processing, in particular to ceramic clay kneading equipment.
Background
The ceramic clay is a ceramic processing material formed by uniformly mixing various raw materials according to a fixed proportion of , the process of uniformly mixing various raw materials in the manufacturing process of the ceramic clay is important processes, the existing mixing action is singly, the mixing is not uniform, and fine soil blocks still exist after the mixing.
Disclosure of Invention
The invention provides kinds of ceramic clay kneading equipment, which aims to overcome the problems of the existing ceramic clay processing equipment.
The technical scheme adopted by the invention is as follows:
A ceramic clay kneading device comprises a frame, a workbench, a turntable, an upper pressure plate, a multi-link driving mechanism, a screw rod sliding table driving mechanism, a ratchet wheel driving mechanism, a left pressure plate and a right pressure plate, wherein the workbench is horizontally arranged on the frame, the turntable is horizontally and rotatably embedded in the workbench and is provided with the ratchet wheel driving mechanism which enables the turntable to rotate in a single direction, the left pressure plate and the right pressure plate are arranged on the frame in a left-right moving mode through the screw rod sliding table driving mechanism, the left pressure plate and the right pressure plate are oppositely and oppositely distributed on the left side and the right side of the turntable, and the upper pressure plate is movably arranged on the frame in a mode that the motion trail is approximately elliptic through the multi-link driving mechanism and is.
, the multi-link driving mechanism comprises a driven shaft, a driving shaft, a left upper arm, a right upper arm, a left lower arm, a right lower arm, an upper connecting arm, a lower connecting arm and a motor, wherein the upper end of the left upper arm is hinged to the driven shaft of the rack, the upper end of the right upper arm is hinged to the driving shaft of the rack, the driving shaft is provided with a motor which enables the driving shaft to rotate, the end of the upper connecting arm is fixedly connected to the driving shaft, the end of the upper connecting arm is hinged to the upper end of the left lower arm, the lower end of the left upper arm, the middle of the left lower arm and the left end of the lower connecting arm are hinged to each other, the lower end of the right upper arm, the upper end of the right lower arm and the right end of the lower.
, the screw rod sliding table driving mechanism comprises a screw rod, a left sliding block, a left connecting rod, a right sliding block, a right connecting rod and a second motor, the screw rod is rotatably and horizontally arranged on the rack and is provided with the second motor for driving the screw rod to move, the left half part of the screw rod is a positive thread section and is provided with the left sliding block in a matched mode, the left sliding block is connected to the left pressing plate through the left connecting rod, the right half part of the screw rod is a negative thread section and is provided with the right sliding block in a matched mode, and the right sliding block is connected.
And , arranging a left inclined plane on the left side of the workbench, arranging a left connecting rod in a vertically movable penetrating manner on the left slider and matching with a left compression spring for moving the left slider downwards, and arranging a right inclined plane on the right side of the workbench, and arranging a right connecting rod in a vertically movable penetrating manner on the right slider and matching with a right compression spring for moving the right slider downwards.
, the ratchet wheel driving mechanism comprises a ratchet wheel, a swing rod, a driving pawl, a braking pawl, a torsion spring and a spring, the upper end of a transmission shaft of the ratchet wheel is fixedly connected to the bottom of the turntable, the lower end of the transmission shaft of the ratchet wheel is hinged to the swing rod, the free end of the swing rod extends to the motion track of the right connecting rod, the driving pawl is hinged to the swing rod and is provided with the torsion spring enabling the driving pawl to be tightly attached to the ratchet wheel, and the braking pawl is rotatably arranged on the workbench and is provided with the spring enabling the braking pawl to be.
And , the workbench is arranged on the rack in a manner of moving up and down through a numerical control sliding table.
Compared with the prior art, the invention has the advantages that:
, in the present invention, an upper press plate is movably disposed on a frame in a manner that a motion trajectory is substantially elliptical through a multi-link driving mechanism, the upper press plate performs vertical extrusion on ceramic clay placed on a turntable while horizontally displacing to form an action similar to manual kneading, so that ceramic clay can be effectively mixed and fine soil lumps in the ceramic clay can be crushed, in addition, the turntable can rotate while the upper press plate presses the ceramic clay, the turntable can also rotate for a certain angle before or after the upper press plate presses the ceramic clay each time, the upper press plate times can press the ceramic clay from different directions, so that the ceramic clay can be mixed more quickly and uniformly, and the fine soil lumps can be more effectively crushed, a left press plate and a right press plate are disposed on both sides of the turntable oppositely, the left press plate and the right press plate approach to the center of the turntable simultaneously, the ceramic clay pressed by the upper press plate can be gathered again, simultaneously, the mixing and crushing actions determined by can be started, so that the ceramic clay gathered together is more concentrated, the left press plate and right press plate can be moved simultaneously, so that the upper press plate and the lower press plate can be moved to process ceramic clay in a working table, so that the lower press plate moves more efficient, the left press plate and right press plate can be adjusted, and the lower table can be adjusted, and the working table can be adjusted, so that the working efficiency of the ceramic clay can be adjusted, the working table can be adjusted, and the working table can.
In the invention, the workbench is provided with the left inclined surface and the right inclined surface, and the left pressing plate and the right pressing plate are respectively connected to the left sliding block and the right sliding block in a vertically floating manner, so that the left pressing plate and the right pressing plate can be always attached to the upper end surface of the workbench. The designs can enable the left pressing plate and the right pressing plate to better avoid the motion track of the upper pressing plate, reduce the width of the equipment and enable the equipment to be more compact.
Thirdly, the free end of the swing rod extends to the motion track of the right connecting rod, and the ratchet driving mechanism is triggered through the lead screw sliding table driving mechanism.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a ratchet drive mechanism according to the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1 and 2, kinds of ceramic clay kneading equipment comprises a rack 1, a workbench 2, a turntable 3, an upper pressure plate 4, a screw rod sliding table driving mechanism 5, a multi-link driving mechanism 6, a ratchet wheel driving mechanism 7, a left pressure plate 8 and a right pressure plate 9, wherein a numerical control sliding table 10 is installed on a vertical rod of the rack 1, the left end and the right end of the workbench 2 are both arranged on the rack 1 in a vertically movable manner through the numerical control sliding table 10, the middle part of the upper end surface of the workbench 2 is a horizontal plane, and the left side and the right side are inclined planes.
Referring to fig. 1 and 2, a turntable 3 is embedded in the middle of the upper end surface of the table 2, and a ratchet drive mechanism 7 for rotating the turntable 3 in one direction is provided.
Referring to fig. 1 and 2, the upper platen 4 is movably disposed on the frame 1 via a multi-link driving mechanism 5 in a manner that a motion trajectory is substantially elliptical and is located above the turntable 3.
Referring to fig. 1 and 2, a left pressing plate 8 and a right pressing plate 9 are arranged on the frame 1 through the screw rod sliding table driving mechanism 5 in a manner of moving left and right, the left pressing plate 8 and the right pressing plate 9 are oppositely distributed on the left side and the right side of the turntable 3, and the lower end surfaces of the left pressing plate 8 and the right pressing plate 9 are in contact with the upper end surface of the workbench 2.
Referring to fig. 1 and 2, specifically, the screw sliding table driving mechanism 5 includes a screw 51, a left slider 52, a left connecting rod 53, a right slider 54, a right connecting rod 55 and a second motor 56, both ends of the screw 51 are respectively and horizontally disposed on the sliders of numerical control sliding tables 10 in a rotatable manner, and a second motor 56 for operating the screw 51 is provided, a left half portion of the screw 51 is a normal thread section and is provided with the left slider 52, the left connecting rod 53 is vertically and vertically disposed through the left slider 52, and an upper end of the left connecting rod 53 is connected to the left pressure plate 8, a lower end of the left connecting rod 53 is fixedly provided with a left disk, a left compression spring 57 for moving the left connecting rod 53 downward is provided between the left disk and the left slider 52, a right half portion of the screw 51 is a normal thread section and is provided with the right slider 54, the right connecting rod 55 is vertically and vertically disposed through the right slider 54, and an upper end of the right connecting rod 55 is connected to the right pressure plate 9, a lower end of the right connecting rod 55 is fixedly provided with a right disk, a right disk is provided between the right disk and the right disk is provided with a right compression spring 58 for moving the right pressure plate 8 and the left slider 52, and the left slider 5, and the left slider and right slider 53 are respectively, and the left slider 5 are connected to stabilize the left slider.
Referring to fig. 1 and 2, specifically, the ratchet drive mechanism 7 specifically includes a ratchet 71, a swing lever 72, a drive pawl 73, a brake pawl 74, a torsion spring, and a spring 75. Wherein, the transmission shaft 711 of the ratchet 71 is rotatably disposed on the working platform 2, the upper end of the transmission shaft 711 is fixedly connected to the bottom of the rotating disc 3, and the upper end of the transmission shaft 711 is hinged with a swing link 72 (an elastic member, such as a torsion spring, is assembled between the swing link and the transmission shaft for restoring the swing link). The free end of the swing link 72 extends to the motion track of the right connecting rod 55, and the swing link 72 is shifted by the right connecting rod 55, so as to trigger the ratchet driving mechanism 7. The driving pawl 73 is hinged to the swing lever 72 and provided with the above-described torsion spring (not shown) for bringing the same into close contact with the ratchet, and the braking pawl 74 is rotatably provided on the table 2 and provided with a spring 75 for bringing the same into close contact with the ratchet.
Referring to fig. 1 and 2, in detail, the multi-link driving mechanism 6 includes a driven shaft 61, a driving shaft 62, a left upper arm 63, a right upper arm 64, a left lower arm 65, a right lower arm 66, an upper connecting arm 67, a lower connecting arm 68 and a third motor , wherein the driven shaft 61 and the driving shaft 62 are both rotatably disposed on the frame 1, and the driving shaft 62 is equipped with the third motor 69 for rotating the driving shaft 62, an upper end of the left upper arm 63 is hinged to the driven shaft 61, an upper end of the right upper arm 64 is hinged to the driving shaft 62, an end of the upper connecting arm 67 is fixedly connected to the driving shaft 62, another end is hinged to an upper end of the left lower arm 65, a lower end of the left upper arm 63, a middle of the left lower arm 65 and a left end of the lower connecting arm 68 are hinged to each other, a lower end of the right upper arm 64, an upper end of the right lower arm 66 and a right end of the.
The working principle of the invention is that (1) a proper amount of ceramic clay to be processed is stacked at the central position of a rotary table 3, (2) an th motor 69 is used as a power source, an upper pressure plate 4 moves through a multi-link driving mechanism 6, the movement track of the upper pressure plate 4 is roughly elliptical, and the upper pressure plate 4 is matched with the rotary table 3 to press and process the ceramic clay, (3) the rotary table 3 moves up and down through a numerical control sliding table 10 to adjust the distance between the rotary table 3 and the upper pressure plate 4 and to press and process the ceramic clay in a matched manner with the upper pressure plate 4, (4) a second motor 56 is used as a power source, a left pressure plate 8 and a right pressure plate 9 are mutually opened and closed through a screw rod sliding table driving mechanism 5 to press and process the ceramic clay, (5) the second motor 56 is used as a power source, a right connecting rod 55 moves in a small amplitude through the screw rod sliding table driving mechanism 5, a swing rod 72 is shifted through the right connecting rod 55 to trigger a ratchet driving mechanism 7, so that the rotary table 3 lattices rotate the ceramic clay, and the ceramic clay can be processed according to different combinations, such as different sequences:
, steps (2) and (3) can be carried out simultaneously and repeatedly, so that the upper pressing plate 4 and the rotary table 3 are opened and closed repeatedly, the elliptical motion mode of the upper pressing plate 4 can make the ceramic clay flow in the vertical direction, even if the ceramic clay at the bottom is gradually transferred upwards, the ceramic clay at the top is gradually transferred downwards.
Step (3) and step (5) can be simultaneously and repeatedly carried out, the rotating disc 3 is driven to move up and down to press the ceramic clay, and the rotating disc 3 is driven to rotate in a single direction of 3 grids grids, at the same time, the rotation of the rotating disc 3 can enable the ceramic clay to generate horizontal flow, even if the ceramic clay on the left side gradually moves towards the right, and the ceramic clay on the right side gradually moves towards the left.
Step (2), (3) and (5) can be performed simultaneously and repeatedly, and the specific principle refers to the above.
And fourthly, the steps (4) and (5) can be carried out in sequence and repeatedly according to , and the left pressing plate 8 and the right pressing plate 9 are opened and closed times when the turntable 3 rotates , so that the ceramic clay at different positions can be processed, and all the ceramic clay can be gathered again and positioned at the central position of the turntable.
And fifthly, the steps (2), (4) and (5) can be carried out in sequence and repeatedly, namely, the rotary table 3 opens and closes times the left pressing plate 8 and the right pressing plate 9 after rotating grids, and the upper pressing plate 4 rotates at least circles when the left pressing plate 8 and the right pressing plate 9 open each time.
Step (2), (3), (4) and (5) can be according to fixed order and go on repeatedly, namely carousel 3 rotates check and opens and shuts times left clamp plate 8 and right clamp plate 9, when left clamp plate 8 and right clamp plate 9 open each time, upper clamp plate 4 and carousel 3 open and shut times at least.
The combination of steps (2), (3), (4) and (5) is not limited to the above, and cannot be listed here as long as the processing equipment can be ensured to operate normally.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims (6)

  1. The ceramic clay kneading equipment is characterized by comprising a rack, a workbench, a rotary table, an upper pressing plate, a multi-connecting-rod driving mechanism, a screw rod sliding table driving mechanism, a ratchet wheel driving mechanism, a left pressing plate and a right pressing plate, wherein the workbench is horizontally arranged on the rack, the rotary table is horizontally and rotatably embedded in the workbench and is provided with the ratchet wheel driving mechanism enabling the rotary table to rotate in a single direction, the left pressing plate and the right pressing plate are arranged on the rack in a left-right moving mode through the screw rod sliding table driving mechanism and are oppositely distributed on the left side and the right side of the rotary table, and the upper pressing plate is movably arranged on the rack in a mode that the motion track is approximately elliptic through the multi-connecting-rod driving mechanism and is located above the rotary table.
  2. 2. The ceramic clay kneading apparatus according to claim 1, wherein the multi-link driving mechanism includes a driven shaft, a driving shaft, an upper left arm, an upper right arm, a lower left arm, a lower right arm, an upper connecting arm, a lower connecting arm, and a th motor, the upper end of the upper left arm is hinged to the driven shaft of the frame, the upper end of the upper right arm is hinged to the driving shaft of the frame, and the driving shaft is equipped with a th motor for rotating the driving shaft, the end of the upper connecting arm is fixedly connected to the driving shaft, the other end is hinged to the upper end of the lower left arm, the lower end of the upper left arm, the middle portion of the lower left arm, and the left end of the lower connecting arm are hinged to each other, the lower end of the upper right arm, the upper end of the lower right arm, and the right end of the lower arm are hinged to.
  3. 3. The ceramic clay kneading apparatus according to claim 1, wherein the screw slide table drive mechanism includes a screw rotatably horizontally disposed on the frame and provided with a second motor for operating the screw, a left slider rotatably horizontally disposed on the frame and provided with a left slider having a right-hand threaded section and connected to the left press plate via a left connecting rod, a right slider having a reverse-threaded section and provided with a right slider connected to the right press plate via a right connecting rod, and a left connecting rod, a right slider, a right connecting rod, and a second motor.
  4. 4. The kneading apparatus for ceramic clay according to claim 3, wherein a left inclined surface is provided on the left side of the table, the left connecting rod is vertically movably inserted through the left slider and provided with a left compression spring for moving it downward, and a right inclined surface is provided on the right side of the table, the right connecting rod is vertically movably inserted through the right slider and provided with a right compression spring for moving it downward.
  5. 5. A ceramic clay kneading apparatus according to claim 3 or 4, wherein the ratchet driving mechanism includes a ratchet wheel, a swing link, a driving pawl, a braking pawl, a torsion spring and a spring, the upper end of the transmission shaft of the ratchet wheel is fixedly connected to the bottom of the turntable, the lower end of the transmission shaft of the ratchet wheel is hinged to the swing link, the free end of the swing link extends to the motion track of the right connecting rod, the driving pawl is hinged to the swing link and provided with the torsion spring for tightly adhering the driving pawl to the ratchet wheel, and the braking pawl is rotatably provided on the worktable and provided with the spring for tightly adhering the braking pawl to the ratchet wheel.
  6. 6. The kind of ceramic clay kneading apparatus according to claim 1, wherein the table is provided to the frame movably up and down by a numerical control slide table.
CN201911201353.7A 2019-11-29 2019-11-29 Ceramic clay kneading equipment Active CN110733114B (en)

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Application Number Priority Date Filing Date Title
CN201911201353.7A CN110733114B (en) 2019-11-29 2019-11-29 Ceramic clay kneading equipment

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Application Number Priority Date Filing Date Title
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CN110733114B CN110733114B (en) 2020-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091609A (en) * 2022-08-26 2022-09-23 陶瓷工业设计研究院(福建)有限公司 Pottery clay mixer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030015687A1 (en) * 2001-01-08 2003-01-23 Sud-Chemie Ag Plate-shaped pressed bodies
JP2004016740A (en) * 2002-06-20 2004-01-22 Sadashi Shimozawa Device for consolidating ceramic clay for manufacture of artificial tooth
JP4707971B2 (en) * 2004-05-31 2011-06-22 日本電産シンポ株式会社 Clay mill
CN106976159A (en) * 2017-05-05 2017-07-25 佛山市东方智柏纳米材料科技有限公司 A kind of ceramic pugging equipment
CN109262828A (en) * 2018-09-04 2019-01-25 罗永学 Quickly pugging equipment and its application method in a kind of ceramic process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030015687A1 (en) * 2001-01-08 2003-01-23 Sud-Chemie Ag Plate-shaped pressed bodies
JP2004016740A (en) * 2002-06-20 2004-01-22 Sadashi Shimozawa Device for consolidating ceramic clay for manufacture of artificial tooth
JP4707971B2 (en) * 2004-05-31 2011-06-22 日本電産シンポ株式会社 Clay mill
CN106976159A (en) * 2017-05-05 2017-07-25 佛山市东方智柏纳米材料科技有限公司 A kind of ceramic pugging equipment
CN109262828A (en) * 2018-09-04 2019-01-25 罗永学 Quickly pugging equipment and its application method in a kind of ceramic process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
丁洪生,荣辉等: "《机械原理》", 31 December 2016, 北京理工大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091609A (en) * 2022-08-26 2022-09-23 陶瓷工业设计研究院(福建)有限公司 Pottery clay mixer

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