Novel ceramic throwing device

Abstract

The utility model provides a novel ceramic throwing device, which is characterized in that a quantitative mud blank is provided by an initial pressing mechanism and placed in an outer mold, and the mud blank in the outer mold is initially pressed by a convex mold of the initial pressing mechanism, so that the mud blank roughly forms a containing body shape covering the inner wall of the outer mold, and then a conveying mechanism conveys the initially pressed mud blank to a rolling mechanism; the rolling mechanism drives an inner roller die to move downwards through a lifting driving mechanism to gradually stretch into an outer die, a driving shaft is made to be aligned with the center of the outer die, the inner roller die is located at the eccentric position and is closer to the initially-pressed mud blank, and when the inner roller die gradually descends, a rotation driving mechanism drives the inner roller die to rotate around the driving shaft in a planetary mode; and the inner roller die rolls the initially pressed mud blank until the mud blank reaches parameters such as expected thickness and size, and after rolling is completed, the lifting driving mechanism drives the inner roller die to gradually move upwards while the rotation driving mechanism continuously operates. The device has the advantages of ensuring the throwing efficiency and quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ceramic processing machinery, and particularly relates to a novel ceramic body pulling device. BACKGROUND

[0002] Traditional ceramic body pulling forming is a forming method that uses the rotating force of a body pulling machine to pull clay lumps on a turntable into various shapes in cooperation with the action of both hands, also called a wheel method. The wheel method uses the centrifugal force generated by the rapid rotation of the body pulling machine, combines the extrusion of the clay lumps controlled by both hands, masters the characteristics of the clay and the power law between the hands and the machine, and pulls the clay lumps into various shapes of hollow thin-walled round body types. Body pulling is a commonly used method in pottery making, but it has high technical requirements, and it takes a long time for a practitioner to master. Body pulling can be used to make simple shapes such as cups, plates, bowls, and bottles, and can also be used to cut and combine the shapes after body pulling forming to form various complex shapes. However, traditional manual body pulling has low efficiency and is difficult to mass-produce.

[0003] To solve the above problems, Chinese invention patent CN202311464490.6 discloses a ceramic processing device, which comprises a base, at least two groups of guide wheels are installed on the base, the guide wheels are connected by two groups of transmission chains, a plurality of core shafts are fixedly arranged between the two groups of transmission chains, a rotating seat is arranged between adjacent two groups of core shafts, one end of the rotating seat is rotatably connected with the core shaft through a rotating sleeve, a sliding rod is fixedly arranged on the rotating seat, a sliding sleeve is sleeved on the sliding rod, the sliding sleeve is fixedly installed on the core shaft on the side of the rotating seat close to the rotating sleeve, a mold fixing assembly is arranged on the rotating seat, a magnetic drive mechanism is installed on the base, and the magnetic drive mechanism is used for driving the mold to rotate; a raw material conveying mechanism is fixedly installed on the base and used for feeding raw materials into the mold; the raw material conveying mechanism comprises a second support and a material guiding cylinder, the second support is fixedly installed on the base, guide blocks are arranged on the side wall of the material guiding cylinder, guide grooves are arranged on the second support, the material guiding cylinder is slidably connected with the second support through the guide blocks and the guide grooves, guide rails are arranged on the material guiding cylinder, a group of material pushing plates are slidably arranged on the guide rails, a group of screw sleeves are fixedly connected to the material pushing plates, a group of feeding motors are fixedly installed on the second support, screw rods are installed on the rotating shafts of the feeding motors, the screw rods are connected with the screw sleeves in a matched mode, a group of mounting supports are fixedly installed on the second support, a group of first electromagnets are fixedly arranged on the end portions of the mounting supports, guide rods are fixedly arranged on the two sides of the mounting supports, sliding magnetic blocks are slidably arranged on the guide rods, two groups of sliding magnetic blocks are connected through cutting cables, second electromagnets are fixedly arranged on the top portions of the guide rods, a group of feeding cylinders are rotatably connected to the second support through supporting arms, the feeding cylinders are coaxially arranged with the material guiding cylinder, first and second fixed magnetic blocks are fixedly arranged on the feeding cylinders, and the first and second fixed magnetic blocks are respectively located on the two sides of the rotating shafts of the feeding cylinders.

[0004] The convex mold assembly comprises a telescopic cylinder, a fixed convex mold is detachably connected to the telescopic end of the telescopic cylinder, a cavity is arranged in the core portion of the fixed convex mold, a core convex mold is slidably arranged in the cavity, the core convex mold and the fixed convex mold are connected through a spring, a through hole is arranged in the top portion of the fixed convex mold, a limiting cable is arranged in the through hole, one end of the limiting cable is fixedly connected with the core convex mold, and the other end of the limiting cable is fixedly connected with the second support.

[0005] A gas pressure control assembly is fixedly installed on the second support, an opening is arranged at the end of the feeding cylinder away from the material guiding cylinder, and the opening is in communication with the gas pressure control assembly through a hose.

[0006] The magnetic driving mechanism comprises a first support fixedly installed on a base, a rotary motor fixedly installed on the base, a transmission square shaft fixedly connected to an output shaft of the rotary motor, a shaft sleeve slidingly arranged on the transmission square shaft, and a movable magnetic base fixedly installed on the shaft sleeve and provided with a plurality of magnetic columns.

[0007] A plurality of positioning holes are arranged on the magnetic base.

[0008] A moving assembly is installed at the bottom of the base, and the moving assembly comprises four universal wheels and a brake.

[0009] However, the application patent can only perform initial compression molding on the clay blank, and the clay blank still has problems of uneven thickness and irregular edges, and cannot be directly used as a clay blank product.

[0010] Therefore, the applicant has conducted in-depth research on the above problems, and thus the present application is produced. Content of the utility model

[0011] The utility model discloses a novel ceramic clay drawing device which can ensure the efficiency and quality of clay drawing.

[0012] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0013] A novel ceramic clay drawing device comprises an outer mold for containing clay blank, a conveying mechanism for conveying the outer mold, and an initial compression mechanism for performing initial compression on the clay blank; the device further comprises a rolling mechanism downstream of the initial compression mechanism for rolling the clay blank after initial compression; the rolling mechanism comprises an inner rolling mold for rolling the clay blank into the outer mold, a rotating drive mechanism for driving the inner rolling mold to rotate in a planetary manner, and a lifting drive mechanism for driving the inner rolling mold to lift; the rotating drive mechanism has a drive shaft connected to the inner rolling mold, and the inner rolling mold has a vertical rotating shaft; the axis of the drive shaft is parallel to the axis of the rotating shaft and has a spacing.

[0014] A swing rod is connected between the drive shaft and the rotating shaft.

[0015] The inner rolling mold is freely rotatably connected to the rotating shaft, or the rotating shaft is freely rotatably connected to the swing rod.

[0016] The inner rolling mold is provided with a mold cover for covering the opening of the outer mold, and the mold cover comprises an inner cover ring sleeved on the drive shaft and an outer cover ring below the inner cover ring and corresponding to the edge of the opening of the outer mold; the diameter of the outer cover ring is larger than the diameter of the opening of the outer mold.

[0017] The roller pressing mechanism further comprises a lifting support bearing a rotating driving mechanism and a fixed support bearing a lifting driving mechanism; the rotating driving mechanism comprises a rotating motor, the lifting support comprises a lifting fixed plate fixedly connected below the rotating motor and two to four upward vertically arranged guide rods; the lifting driving mechanism comprises a screw rod, a lifting motor driving the screw rod to rotate and an internally threaded hole plate matched with the screw rod; the internally threaded hole plate is connected to the upper end of the guide rod, the lifting motor is below the internally threaded hole plate and the screw rod passes through the internally threaded hole plate from bottom to top; the fixed support comprises a transverse fixed plate fixedly connected below the lifting motor and a support frame supporting the transverse fixed plate; the transverse fixed plate is provided with guide holes matched with the guide rods.

[0018] The driving shaft of the rotating motor penetrates the lifting fixed plate downward, and the rotating motor and the lifting motor are both provided with a gearbox.

[0019] The conveying mechanism comprises a conveying belt and a conveying motor driving the conveying belt to operate, and the conveying belt is provided with a plurality of connecting units connected with the outer mold.

[0020] The spraying mechanism further comprises a spraying mechanism spraying water mist on the surface of the primary-pressed clay blank.

[0021] The spraying mechanism comprises a spraying head above the outer mold, a water pipe supplying water to the spraying head and a water pump supplying water to the water pipe.

[0022] After the above technical scheme is adopted, the novel ceramic blank pulling device breaks through the structure of the traditional blank pulling device, and in the actual processing process, the primary pressing mechanism and the roller pressing mechanism are both arranged on the path of the conveying mechanism, the roller pressing mechanism is downstream of the primary pressing mechanism, the outer mold is placed on the conveying mechanism, the conveying mechanism conveys the outer mold to the primary pressing mechanism, the primary pressing mechanism provides a certain amount of clay blank in the outer mold, and the clay blank in the outer mold is primary pressed by the convex mold of the primary pressing mechanism, so that the clay blank is roughly formed into a containing body shape covering the inner wall of the outer mold, then the conveying mechanism conveys the primary-pressed clay blank to the roller pressing mechanism, the roller pressing mechanism drives the inner roller mold to gradually move downward into the outer mold by the lifting driving mechanism, and the driving shaft is aligned with the center of the outer mold, the inner roller mold is closer to the primary-pressed clay blank at the eccentric position, the inner roller mold is driven to rotate around the driving shaft in a planetary manner while gradually descending by the rotating driving mechanism, the inner roller mold rolls the primary-pressed clay blank, until the clay blank reaches the expected thickness, size and other parameters, and after the rolling is completed, the inner roller mold is gradually moved upward by the lifting driving mechanism while the rotating driving mechanism continuously operates. Compared with the prior art, the novel ceramic blank pulling device has the advantages of ensuring the pulling efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 Fig. 1 is a structural schematic view of the blank pulling device in the unrolled state of the utility model;

[0024] Fig. 2 It is a structure schematic diagram of the rolling state of the utility model;

[0025] Fig. 3 It is a structure schematic diagram of the local section of the utility model.

[0026] In the drawing,

[0027] 1-outer mold, 2-conveying mechanism, 21-connecting unit, 3-primary pressing mechanism;

[0028] 4-rolling mechanism, 41-inner roller mold, 411-rotation shaft, 42-rotation driving mechanism, 421-driving shaft, 43-lifting driving mechanism, 431-screw rod, 432-lifting motor, 433-inner threaded hole plate, 44-rocker, 45-mold cover, 451-cover inner ring, 452-cover outer ring, 46-lifting support, 461-lifting fixed plate, 462-guide rod, 47-fixed support, 471-transverse fixed plate, 472-support frame;

[0029] 5-spraying mechanism, 51-spraying head, 52-water pipe. DETAILED DESCRIPTION

[0030] In order to further explain the technical scheme of the utility model, the following will be described in detail through specific embodiments.

[0031] A novel ceramic body drawing device of the utility model, such as Figs. 1-3The utility model discloses a kind of ceramic processing device, as shown in including the outer mould 1 of containing greenware, conveying mechanism 2 conveying outer mould 1, and the initial pressure mechanism 3 for greenware is initially pressed;It also includes the roller mechanism 4 downstream of initial pressure mechanism 3 and the roller mechanism 4 for greenware after initial pressure is rolled;Roller mechanism 4 includes inner roll die 41 for greenware is rolled into outer mould 1, rotation drive mechanism 42 for driving inner roll die 41 to rotate in planetary mode, and lifting drive mechanism 43 for driving inner roll die 41 to lift;Rotation drive mechanism 42 has driving shaft 421 connected with inner roll die 41, inner roll die 41 has vertical rotation axis 411, the axis of driving shaft 421 and the axis of rotation axis 411 are parallel and have interval.The utility model in actual processing process, initial pressure mechanism 3 can directly use a kind of ceramic processing of background technology in drawing blank device, initial pressure mechanism 3 and roller mechanism 4 are all arranged on the path of conveying mechanism 2, roller mechanism 4 is downstream of initial pressure mechanism 3, outer mould 1 is placed on conveying mechanism 2, conveying mechanism 2 conveys outer mould 1 to initial pressure mechanism 3, and by initial pressure mechanism 3 provides the greenware of quantitative to be placed in outer mould 1, and by the male die of initial pressure mechanism 3 to greenware in outer mould 1 is initially pressed, so that greenware is roughly formed to contain the shape of body shape that covers in outer mould 1 inner wall, then conveying mechanism 2 conveys the greenware after initial pressure to roller mechanism 4, and roller mechanism 4 gradually extends into outer mould 1 by lifting drive mechanism 43 driving inner roll die 41 to move downwards, and make driving shaft 421 align the center of outer mould 1, inner roll die 41 is in eccentric position and more close to greenware after initial pressure, while inner roll die 41 gradually drops by rotation drive mechanism 42 driving inner roll die 41 to rotate in planetary mode around driving shaft 421, and inner roll die 41 is rolled to greenware after initial pressure, until greenware reaches expected thickness, size and other parameters, after rolling, while rotation drive mechanism 42 continues to operate, lifting drive mechanism 43 drives inner roll die 41 gradually moves upwards.Specific structure can be, driving shaft 421 and rotation axis 411 are connected with swing bar 44, make the axis of rotation axis 411 of inner roll die 41 and the axis of driving shaft 421 of rotation drive mechanism 42 not be in a straight line by swing bar 44, so that inner roll die 41 is in eccentric position, realize that inner roll die 41 rotates around the axis of driving shaft 421 in planetary mode, facilitate to realize the rolling of greenware.Further, swing bar 44 and driving shaft 421 and rotation axis 411 are connected in detachable mode, can replace different length swing bar 44 according to the ceramic size to be made, also can replace different shape inner roll die 41 and outer mould 1 according to the ceramic shape to be made.In order to make inner roll die 41 adapt to the rotation speed of rotation drive mechanism 42 and try not to scratch greenware inner surface, inner roll die 41 is in free rotation state, specific structure can be, inner roll die 41 and rotation axis 411 are freely rotatably connected, such as inner roll die 41 and rotation axis 411 are connected by bearing;Or rotation axis 411 and swing bar 44 are freely rotatably connected, such as rotation axis 411 and swing bar 44 are connected by bearing;So that inner roll die 41 can rotate freely relative to swing bar 44.In order to ensure the adaptability and friendliness of the inner roller die 41, the inner roller die 41 is made of soft elastic material such as silica gel material, and a hydrophobic film is arranged outside the inner roller die 41 to ensure that it will not be adhered to the clay blank, so that the surface of the clay blank is more flat, and the hydrophobic film can be detachably connected with the inner roller die 41, and the surface texture of the clay blank can be adjusted according to actual needs, such as stripes, dots, and squares.

[0032] Further preferably, the inner roller die 41 is provided with a die cover 45 covering the opening of the outer mold 1, the die cover 45 includes a cover inner ring 451 sleeved outside the driving shaft 421 and a cover outer ring 452 below the cover inner ring 451 and corresponding to the edge of the opening of the outer mold 1, and the diameter of the cover outer ring 452 is greater than that of the opening of the outer mold 1. During the process of the inner roller die 41 extending into the outer mold 1 to roll the clay blank, the die cover 45 can cover the opening of the outer mold 1 to avoid the overflow of the clay blank or the irregular edge, limit the clay blank in the outer mold 1, ensure the parameters of the clay blank such as quantity, thickness, and shape, ensure the quality, and also avoid the workers from touching the movable parts such as the swing lever 44 to ensure safety. The specific structure can be that the cover inner ring 451 is connected to the lower surface of the lifting fixed plate 461 and does not contact the driving shaft 421 to avoid the rotation of the die cover 45 or affect the rotation of the driving shaft 421, and the die cover 45 has a containing cylinder part extending downward and connected between the cover inner ring 451 and the cover outer ring 452, which can provide a moving space for containing the swing arm and other parts. The die cover 45 can be made of steel plate, plastic, or rubber material.

[0033] Another embodiment of the die cover 45 is that the inner roller die 41 and the swing lever 44 are provided with the die cover 45 covering the opening of the outer mold 1, the die cover 45 has a cover hole for the rotating shaft 411 to pass through, the diameter of the cover hole is greater than that of the rotating shaft 411, and the diameter of the die cover 45 is greater than that of the opening of the outer mold 1. During the process of the inner roller die 41 extending into the outer mold 1 to roll the clay blank, the die cover 45 can cover the opening of the outer mold 1 to avoid the overflow of the clay blank or the irregular edge, limit the clay blank in the outer mold 1, ensure the parameters of the clay blank such as quantity, thickness, and shape, and ensure the quality. The diameter of the cover hole is large enough for the rotating shaft 411 to move, and the diameter of the die cover 45 is large enough to cover the opening of the outer mold 1. The die cover 45 and the swing lever 44 are provided with a pressing plate pressing the die cover 45, and the die cover 45 has a gap for free horizontal movement between the pressing plate and the inner roller die 41.

[0034] Further preferably, the roller pressing mechanism 4 further comprises a lifting support 46 carrying a rotating driving mechanism 42, and a fixed support 47 carrying a lifting driving mechanism 43; the rotating driving mechanism 42 comprises a rotating motor, the lifting support 46 comprises a lifting fixed plate 461 fixedly connected below the rotating motor, and two to four upward vertically arranged guide rods 462; the lifting driving mechanism 43 comprises a screw rod 431, a lifting motor 432 driving the rotation of the screw rod 431, and an internally threaded hole plate 433 cooperating with the screw rod 431; the internally threaded hole plate 433 is connected to the upper end of the guide rod 462, the lifting motor 432 is below the internally threaded hole plate 433, and the screw rod 431 passes through the internally threaded hole plate 433 from bottom to top; the fixed support 47 comprises a transverse fixed plate 471 fixedly connected below the lifting motor 432, and a support frame 472 supporting the transverse fixed plate 471; the transverse fixed plate 471 is provided with guide holes cooperating with the guide rods 462. In actual work process, the lifting motor 432 drives the rotation of the screw rod 431, and drives the lifting movement of the internally threaded hole plate 433, the guide rods 462 and the lifting fixed plate 461 cooperating with the screw rod 431, so as to realize the lifting movement of the whole roller pressing mechanism 4 including the rotating motor, the swing rod 44 and the inner roller die 41. In order to ensure the lifting stability of the lifting support 46, four guide rods 462 are evenly distributed around the axis of the screw rod 431. The specific structure can be that the driving shaft 421 of the rotating motor penetrates downward through the lifting fixed plate 461, and the rotating motor and the lifting motor 432 are both provided with a gearbox. The guide hole is provided with a sliding sleeve in contact with the guide rod 462, which can be POM resin material and has self-lubricating effect.

[0035] Further preferably, the conveying mechanism 2 comprises a conveying belt and a conveying motor driving the operation of the conveying belt, and the conveying belt is provided with a plurality of connection units 21 connected with the outer die 1. The conveying motor is a stepping motor, which ensures the accuracy of conveying the position of the outer die 1. The conveying mechanism 2 can directly adopt the conveying mechanism 2 of a pulling device for ceramic processing in the background art.

[0036] Further preferably, it further comprises a spraying mechanism 5 spraying water mist on the surface of the primary-pressed clay blank. The spraying mechanism 5 is between the primary pressing mechanism 3 and the roller pressing mechanism 4, and sprays water mist on the surface of the clay blank after the primary pressing mechanism 3 performs primary pressing on the clay blank and before the roller pressing mechanism 4 performs roller pressing on the clay blank, so as to make the surface of the clay blank wet, facilitate the roller pressing forming by the inner roller die 41, and avoid cracks, wrinkles and the like on the surface of the clay blank. The specific structure can be that the spraying mechanism 5 comprises a spray head 51 above the outer die 1, a water pipe 52 supplying water to the spray head 51, and a water pump supplying water to the water pipe 52. The water pipe 52 can be fixed on the support of the primary pressing mechanism 3 or the roller pressing mechanism 4, and the spray head 51 is downwardly arranged and aligned with the outer die 1.

[0037] The product form of the utility model is not limited to the case of the drawings and the embodiments, and any person can make appropriate changes or modifications to the similar ideas, which should be considered as not departing from the patent category of the utility model.

Claims

1. A novel ceramic pulling apparatus comprising an outer mold for containing a green body, a conveying mechanism for conveying the outer mold, and a preliminary pressing mechanism for preliminarily pressing the green body; characterized in that: The roll pressing mechanism comprises an inner roll die which extends into the outer die to press the green sand, a rotating drive mechanism which drives the inner roll die to rotate in a planetary manner, and a lifting drive mechanism which drives the inner roll die to lift and drop. The rotating drive mechanism has a drive shaft connected with the inner roll die, and the inner roll die has a vertical rotating shaft, and the axis of the drive shaft is parallel to the axis of the rotating shaft and has a spacing.

2. The novel ceramic pulling apparatus of claim 1, wherein: A swing rod is connected between the drive shaft and the rotating shaft.

3. The novel ceramic pulling apparatus of claim 2, wherein: The inner roll die is freely rotatable with the rotating shaft, or the rotating shaft is freely rotatable with the swing rod.

4. The novel ceramic pulling apparatus of claim 3, wherein: The inner roll die is provided with a die cover which covers the opening of the outer die, and the die cover comprises a cover inner ring which is sleeved on the outside of the drive shaft and a cover outer ring which is below the cover inner ring and corresponds to the edge of the opening of the outer die, and the diameter of the cover outer ring is larger than the diameter of the opening of the outer die.

5. The novel ceramic pulling apparatus of claim 3, wherein: The roll pressing mechanism further comprises a lifting support which carries the rotating drive mechanism, and a fixed support which carries the lifting drive mechanism; the rotating drive mechanism comprises a rotating motor, the lifting support comprises a lifting fixed plate which is fixedly connected below the rotating motor, and two to four upward vertically arranged guide rods; the lifting drive mechanism comprises a screw rod, a lifting motor which drives the screw rod to rotate, and an inner threaded hole plate which cooperates with the screw rod; the inner threaded hole plate is connected to the upper end of the guide rod, the lifting motor is below the inner threaded hole plate, and the screw rod passes through the inner threaded hole plate from bottom to top; the fixed support comprises a transverse fixed plate which is fixedly connected below the lifting motor, and a support frame which supports the transverse fixed plate; the transverse fixed plate is provided with guide holes which cooperate with the guide rods.

6. The novel ceramic pulling apparatus of claim 5, wherein: The drive shaft of the rotating motor penetrates the lifting fixed plate downward, and the rotating motor and the lifting motor are both provided with gearboxes.

7. The novel ceramic pulling apparatus of claim 1, wherein: The conveying mechanism comprises a conveying belt and a conveying motor which drives the conveying belt to operate, and the conveying belt is provided with a plurality of connection units which are connected with the outer die.

8. The novel ceramic pulling apparatus according to any one of claims 1-7, characterized in that: The spraying mechanism comprises a nozzle which is above the outer die, a water pipe which supplies water to the nozzle, and a water pump which supplies water to the water pipe.

9. The novel ceramic pulling apparatus of claim 8, wherein: The spraying mechanism comprises a nozzle which is above the outer die, a water pipe which supplies water to the nozzle, and a water pump which supplies water to the water pipe.

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