CN112589969A

CN112589969A - A intermittent type formula continuous forming equipment for ceramic plate production

Info

Publication number: CN112589969A
Application number: CN202011419230.3A
Authority: CN
Inventors: 温怡彰; 邓耀顺; 陈延林; 谈建豪; 梁超寰; 周性聪; 苏龙保; 丁亚辉; 温证钧
Original assignee: Foshan Henglitai Machinery Co Ltd
Current assignee: Foshan Henglitai Machinery Co Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-04-02

Abstract

The invention discloses intermittent continuous forming equipment for ceramic plate production, which comprises a conveying belt, a rack, a main cylinder, a movable beam, a base plate and a mold core, wherein the main cylinder is arranged at the upper part of the rack, the movable beam is arranged at the lower end of the main cylinder, and the mold core is arranged at the lower end of the movable beam; the base plate is arranged at the lower part of the rack, and the conveying belt is arranged above the base plate; the bottom surface of the mold core is provided with a prepressing inclined plane and a molding plane. By adopting the invention, powder is continuously conveyed on the conveying belt, the powder is pressed into the pre-pressing area, the forming area and the transition area by the mold core in the primary pressing process, then the distance of the forming area is conveyed by the conveying belt, and then the secondary pressing is carried out, so that the ceramic plate with any length and size can be produced, and the online flexible production switching of any product specification can be realized by matching with the cutting device.

Description

A intermittent type formula continuous forming equipment for ceramic plate production

Technical Field

The invention relates to ceramic plate forming equipment, in particular to intermittent continuous forming equipment for ceramic plate production.

Background

In the existing known ceramic tile forming equipment, a mold 1 ' is fixed on a working table surface of a press, a lower mold core 2 ' is connected with an ejection device 3 ', and the ejection device 3 ' can drive the lower mold core 2 ' to move up and down; the upper die core 4 'is fixed on the movable beam 5' and is driven by the main oil cylinder 6 'to press the powder 7' into bricks.

The existing process is that a material distributing device directly extends into a working space of a press, powder is filled in a mold frame, and a formed green brick is pushed onto a conveying line.

The defect is that the equipment is not suitable for forming large-size ceramic slabs, and the flexible production switching of ceramic slabs (bricks) with any length and specification cannot be realized. In the prior art, the mode of replacing a mould is required to realize the conversion of the production specification of the green bricks. For large-sized ceramic plates, the weight of the die is large, and the replacement needs to be stopped, so that the time and labor are wasted.

Disclosure of Invention

The invention aims to solve the technical problem that the existing ceramic plate forming equipment can only press plate blanks with preset specifications, provides intermittent continuous forming equipment for ceramic plate production, can produce ceramic plates with any length and size, and can realize online flexible production switching of any product specification by matching with a cutting device.

The scheme also solves the forming problem of large-specification ceramic plates and improves the production efficiency.

In order to solve the technical problem, the invention provides intermittent continuous forming equipment for ceramic plate production, which comprises a conveying belt, a rack, a main cylinder, a movable beam, a base plate and a mold core, wherein the main cylinder is arranged at the upper part of the rack, the movable beam is arranged at the lower end of the main cylinder, and the mold core is arranged at the lower end of the movable beam; the base plate is arranged at the lower part of the rack, and the conveying belt is arranged above the base plate; the bottom surface of the mold core is provided with a prepressing inclined plane and a molding plane.

As an improvement of the scheme, the conveying belt is provided with continuously arranged powder and can drive the powder to move horizontally relative to the mold core; the mold core can move up and down to cooperate with the backing plate to press powder on the conveying belt, so that a ceramic plate blank with any length is formed.

The improvement of the scheme is characterized in that the pre-pressing inclined plane is close to the feeding side, and the pre-pressing inclined plane gradually inclines upwards from the joint of the pre-pressing inclined plane and the forming plane.

As an improvement of the scheme, a transition arc surface is arranged at the joint of the forming plane and the pre-pressing inclined plane.

As an improvement of the scheme, the edges of two sides of the bottom surface of the mold core are also provided with edge pressing convex edges.

The improvement of the scheme comprises a material blocking mechanism and a clamping mechanism; the material blocking mechanisms are arranged on the base plate and positioned on two sides of the powder and comprise transverse oil cylinders and baffle plates, and the transverse oil cylinders are connected with the baffle plates and can drive the baffle plates to move along the width direction of the powder; the clamping mechanism is arranged above the base plate and positioned on the discharge side of the conveying belt and comprises a fixed supporting beam, a longitudinal oil cylinder arranged in the supporting beam and a pressing plate connected with the longitudinal oil cylinder.

As an improvement of the scheme, the baffle is connected with a piston rod of a transverse oil cylinder, and the transverse oil cylinder can drive the piston rod of the transverse oil cylinder to extend and retract so as to drive the baffle to extend and retract.

As an improvement of the above scheme, the pressing plate is connected with a piston rod of a longitudinal oil cylinder, and the longitudinal oil cylinder can drive the piston rod to stretch and contract so as to fix the pressing plate at a preset height above the conveying belt in the pressing process; the supporting beam extends along the width direction of the powder, and more than two longitudinal oil cylinders are arranged in the supporting beam at intervals and preset distances.

As an improvement of the scheme, the material blocking mechanism further comprises a support, and a piston cavity of the transverse oil cylinder is formed in the support.

As an improvement of the above scheme, the stock stop further comprises a support, the support is provided with an accommodating groove, and more than two transverse oil cylinders are arranged in the accommodating groove at intervals of a preset distance.

As an improvement of the scheme, the bottom of the transverse oil cylinder is abutted with the bottom of the accommodating groove, and the upper side and the lower side of the transverse oil cylinder are abutted with the upper groove surface and the lower groove surface of the accommodating groove.

The implementation of the invention has the following beneficial effects:

this scheme of adoption, the powder is carried by continuous transport on the conveyer belt, and the mold core is at a pressing in-process, presses the powder into preforming district, shaping district and transition region, then carries the distance in a shaping district through the transmission band, carries out the suppression for the second time then, can produce the ceramic plate of arbitrary length size, and cooperation cutting device can realize the online flexible production switching of arbitrary product specification. In the pressing process, the pre-pressing area can pre-press and form the powder gradually, and simultaneously plays a role in connecting the powder area and the forming area, so that the powder is in a gradually-changed state from loose to compact. And pressing the powder in the forming area under a preset pressure to form a finished ceramic plate blank. The powder in the transition zone serves to join the formed slab to the forming slab.

Drawings

Fig. 1 to 3 are schematic views of a conventional ceramic plate forming process;

FIG. 4 is a schematic view showing the construction of a batch type continuous forming apparatus for ceramic plate production according to the present invention;

FIG. 5 is a schematic structural view of the mold core of the present invention;

FIG. 6 is a schematic view of the A-direction structure of FIG. 4;

FIG. 7 is a schematic view showing the construction of a batch type continuous forming apparatus for ceramic plate production according to a second embodiment of the present invention;

FIG. 8 is a schematic view of the A-direction structure of FIG. 7;

fig. 9 is a schematic structural view of the striker mechanism of the present invention;

FIG. 10 is a sectional view of the FF face of FIG. 9;

FIG. 11 is a schematic structural view of the clamping mechanism of the present invention;

FIG. 12 is a sectional view of the EE face of FIG. 11;

FIG. 13 is a schematic view of a batch type continuous forming method for ceramic plate production according to the present invention;

FIG. 14 is a cross-sectional view taken along the plane BB of FIG. 13;

FIG. 15 is a schematic view showing a powder transfer distance of a batch type continuous forming method for ceramic plate production according to the present invention;

FIG. 16 is a schematic diagram of a preferred arrangement of a batch continuous forming process for ceramic plate production according to the present invention;

fig. 17 is a cross-sectional view taken along plane CC of fig. 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

As shown in fig. 4 to 6, a first embodiment of the present invention provides an intermittent continuous forming apparatus for ceramic plate production, comprising a conveyor belt 1, a frame 2, a main cylinder 3, a movable beam 4, a backing plate 5 and a mold core 6, wherein the main cylinder 3 is arranged at the upper part of the frame 2, the movable beam 4 is arranged at the lower end of the main cylinder 3, and the mold core 6 is arranged at the lower end of the movable beam 4; the backing plate 5 is arranged at the lower part of the rack 2, and the conveying belt 1 is arranged above the backing plate 5; the bottom surface of the mold core 6 is provided with a prepressing bevel 61 and a molding plane 62. The conveying belt 1 is provided with continuously arranged powder 7 and can drive the powder 7 to move horizontally relative to the mold core 6; the mold core 6 can move up and down to press powder on the conveying belt 1 by matching with the backing plate 5, so that a ceramic plate blank with any length is formed. The pre-pressing inclined surface 61 is close to the feeding side, and the pre-pressing inclined surface 61 gradually inclines upwards from the joint of the pre-pressing inclined surface 61 and the forming plane 62. The transmission belt 1 may be a belt or a steel belt.

This scheme of adoption, the powder is carried by continuous transport on transmission band 1, and mold core 6 presses the powder into preforming district, shaping district and transition region in a suppression process, then carries the distance in a shaping district through transmission band 1, carries out the suppression for the second time then, can produce the ceramic plate of arbitrary length size, and cooperation cutting device 10 can realize the online flexible production switching of arbitrary product specification. In the pressing process, the pre-pressing area can pre-press and form the powder gradually, and simultaneously plays a role in connecting the powder area and the forming area, so that the powder is in a gradually-changed state from loose to compact. And pressing the powder in the forming area under a preset pressure to form a finished ceramic plate blank. The powder in the transition zone serves to join the formed slab to the forming slab.

Preferably, a transition arc surface 63 is arranged at the joint of the forming plane 62 and the pre-pressing inclined surface 61, and the transition arc surface 63 can be an arc surface or other optimized curves, so that the powder in the forming area and the pre-pressing forming area has smooth transition.

In order to improve the quality of the side edges of the pressed green bricks, the edge pressing convex edges 64 are also arranged at the two side edges of the bottom surface of the mold core 6. By arranging the blank pressing convex edge 64, the transverse expansion deformation of powder or a blank at two sides can be resisted during pressing, so that the blank is higher in forming quality, uniform and compact, and the defects can be reduced.

With reference to fig. 7 to 12, the second embodiment of the present invention is different from the first embodiment in that a material stop mechanism 8 and a clamping mechanism 9 are further included; the material blocking mechanism 8 is arranged on the backing plate 5 and positioned on two sides of the powder and comprises a transverse oil cylinder 81 and a baffle 82, wherein the transverse oil cylinder 81 is connected with the baffle 82 and can drive the baffle 82 to move along the width direction of the powder; the clamping mechanism 9 is arranged above the backing plate 5 and on the discharging side of the conveying belt 1, and comprises a fixed supporting beam 91, a longitudinal oil cylinder 92 arranged in the supporting beam 91, and a pressing plate 93 connected with the longitudinal oil cylinder 92. The baffle 82 is connected with a piston rod of a transverse oil cylinder 81, and the transverse oil cylinder 81 can drive the piston rod to extend and retract so as to drive the baffle 82 to extend and retract. The supporting beam 91 extends along the width direction of the powder, and more than two longitudinal oil cylinders 92 are arranged in the supporting beam 91 at a predetermined interval. During compression molding, the baffle 82 extends out to resist powder or plate blanks; during ejection and feeding, the platen 93 is withdrawn. During the compression molding, the piston of the transverse oil cylinder 81 drives the baffle plate 82 to resist the powder or the plate blank so as to resist the expansion deformation of the powder or the plate blank in the lateral direction. The feed end of transmission band 1 still is equipped with cloth mechanism 11, cloth mechanism 11 is used for arranging the powder on average on transmission band 1.

Preferably, the pressing plate 93 is connected with a piston rod of a longitudinal cylinder 92, and the longitudinal cylinder 92 can drive the piston rod to extend and retract so as to fix the pressing plate 93 at a preset height above the conveying belt 1 in the pressing process. During press forming, the piston of the longitudinal cylinder 92 drives the pressing plate 93 to clamp the formed slab, so that clamping force is generated to resist the expansion deformation of the powder or the slab in the forward direction in the forming area.

As the first embodiment of the material blocking mechanism 8, the material blocking mechanism 8 further includes a support 83, the support 83 is formed with a piston cavity of the transverse oil cylinder 81 (the structure and the arrangement position of the piston cavity are similar to the accommodating groove 831 in the second embodiment), and the piston rod of the transverse oil cylinder 81 are arranged in the piston cavity. By adopting the embodiment, the support 83 is directly machined to form the piston cavity of the transverse oil cylinder 81 in a machining mode, namely the support 83 is used as a shell of the transverse oil cylinder 81, so that the integrity is stronger, the material can be saved, and the machining cost is reduced.

As a second embodiment of the material blocking mechanism 8, in order to improve the overall strength of the material blocking mechanism 8, the material blocking mechanism 8 further includes a support 83, the support 83 is provided with an accommodating groove 831, and more than two transverse oil cylinders 81 are arranged in the accommodating groove 831 at a predetermined distance from each other. The bottom of the transverse oil cylinder 81 is abutted with the bottom of the accommodating groove 831, and the upper side and the lower side of the transverse oil cylinder 81 are abutted with the upper groove surface and the lower groove surface of the accommodating groove 831.

Referring to fig. 13 and 14, a third embodiment of the present invention provides an intermittent continuous forming method for ceramic plate production, which can utilize the intermittent continuous forming equipment described above to press and form powder, wherein the mold core 6 is fixed on the main cylinder 3 of the press through the walking beam 4, the main cylinder 3 is arranged on the upper portion of the frame 2 of the press, the backing plate 5 is arranged on the lower portion of the frame 2 of the press, and the conveying belt 1 is arranged between the mold core 6 and the backing plate 5. The method comprises the following steps:

s001, arranging powder on the conveying belt 1 through a material distribution mechanism;

s002, driving the mold core 6 with the prepressing inclined surface 61 and the molding plane 62 on the bottom surface to descend, pressing powder right below the mold core on the conveying belt 1 and the backing plate 5, and keeping preset pressure and preset time; dividing the powder area corresponding to the pre-pressing inclined surface 61 in the pressing process into a pre-pressing area a with the length of L1, wherein the powder area corresponding to the part, between the length of the forming plane 62 close to the discharging end L3 and the discharging end, is a transition area b, and the length of the powder area corresponding to the forming plane 62 is L2 after the transition area is removed;

s003, as shown in FIG. 15, the mold core 6 rises to a high position, and the transmission belt 1 drives the powder to be conveyed forward for an L2 distance;

and S004, repeating the steps S002 and S003 to press-form the ceramic slab with any length.

Preferably, the length of L2 is greater than that of L1, i.e. the length of the forming zone is greater than that of the prepressing zone, and the forming zone is the main working zone, and the length of the forming zone is the longest, so that the pressing efficiency can be improved to the greatest extent. The length of the L3 is less than the length of the L1, i.e. the length of the transition zone is shortest. The powder in the transition area plays a role in connecting the formed plate blank with the forming plate blank, the length of the transition area is properly shortened, and the pressing efficiency can be further improved. The pre-pressing bevel 61 and the forming plane 62 have an angle α.

Preferably, a blank holder flange 64 may be further provided at both side edges of the bottom surface of the mold core 6 during the pressing process. In the pressing process of S002, the side edge of the powder is firstly compacted and fixed by the side edge convex edge 64, so that the powder or the slab can be resisted to be transversely expanded and deformed at two sides during pressing, the slab is higher in forming quality, uniform and compact, and the defects can be reduced.

Preferably, a transition arc 63 may be provided at the junction of the forming plane 62 and the pre-pressing inclined plane 61, so as to provide a smooth transition for the powders in the forming area and the pre-pressing area of step S002.

Preferably, the method may further include step S005: the blanks of predetermined length are cut by a cutting device 10 provided at the discharge end. Through control cloth width, can control the finished product width of adobe, through controlling the length of cutting off to the adobe, can control the finished product length of adobe, consequently through above-mentioned setting, can be under the condition of not changing the mould the size of online regulation adobe, satisfy the needs of flexible production.

Preferably, in conjunction with fig. 17, a step S002-1 may be added between steps S001 and S002: the material blocking mechanisms 8 are arranged on two sides of the powder, the material blocking mechanisms 8 are provided with baffle plates 82 capable of moving in the width direction of the powder, and the powder is arranged into a preset width through the baffle plates 82 of the material blocking mechanisms 8. During compression molding, the baffle 82 extends out to resist powder or plate blanks; during ejection and feeding, the platen 93 is withdrawn. During the compression molding, the piston of the transverse oil cylinder 81 drives the baffle plate 82 to resist the powder or the plate blank so as to resist the expansion deformation of the powder or the plate blank in the lateral direction.

Preferably, in conjunction with fig. 16, step S002-2 may be added between steps S002 and S003: constant pressure is applied to the front and back sides of the pressed powder by the holding mechanism 9. During press forming, the piston of the longitudinal cylinder 92 drives the pressing plate 93 to clamp the formed slab, so that clamping force is generated to resist the expansion deformation of the powder or the slab in the forward direction in the forming area.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. An intermittent continuous forming equipment for ceramic plate production, characterized in that, comprising a conveyor belt, a frame, a master cylinder, a moving beam, a backing plate and a mold core;

The master cylinder is arranged on the upper part of the frame, the moving beam is arranged at the lower end of the master cylinder, and the mold core is arranged at the lower end of the moving beam;

the backing plate is arranged at the lower part of the frame, and the conveying belt is arranged above the backing plate;

The bottom surface of the mold core has a pre-compression slope and a forming plane.

2. The intermittent continuous forming equipment for producing ceramic plates according to claim 1, wherein the conveyor belt is provided with continuously arranged powder, and can drive the powder to translate relative to the mold core; the The mold core can move up and down to cooperate with the backing plate to press the powder on the conveyor belt to form a ceramic slab of any length.

3. The intermittent continuous forming equipment for the production of ceramic plates according to claim 1, wherein the pre-pressing slope is close to the feeding side, and the pre-pressing slope is gradually formed from the intersection with the forming plane Tilt up.

4 . The intermittent continuous forming equipment for ceramic plate production according to claim 1 , wherein a transition arc surface is provided at the intersection of the forming plane and the pre-pressing slope. 5 .

5 . The intermittent continuous forming equipment for producing ceramic plates according to claim 1 , wherein the edges of the two sides of the bottom surface of the mold core are further provided with blanking flanges. 6 .

6. The intermittent continuous forming equipment for ceramic plate production according to claim 1, characterized in that it comprises a material blocking mechanism and a clamping mechanism; the material blocking mechanism is arranged on the backing plate and located at two sides of the powder material. The side, which includes a transverse oil cylinder and a baffle plate, the transverse oil cylinder is connected with the baffle plate, and can drive the baffle plate to move along the width direction of the powder; the clamping mechanism is arranged above the backing plate and is located on the discharge side of the conveyor belt, It includes a fixed support beam, a longitudinal oil cylinder arranged in the support beam, and a pressure plate connected with the longitudinal oil cylinder; the baffle is connected with the piston rod of the transverse oil cylinder, and the transverse oil cylinder can drive its piston rod to expand and contract to The drive shutter extends and retracts.

7. The intermittent continuous forming equipment for ceramic plate production according to claim 6, wherein the pressing plate is connected with the piston rod of the longitudinal oil cylinder, and the longitudinal oil cylinder can drive its piston rod to expand and contract, so as to press During the process, the pressing plate is fixed at a predetermined height above the conveyor belt; the support beam extends along the width direction of the powder, and two or more of the longitudinal oil cylinders are arranged in the support beam at a predetermined distance from each other.

8 . The intermittent continuous forming equipment for ceramic plate production according to claim 6 , wherein the stopper mechanism further comprises a support, and the support is formed with a piston cavity of the transverse oil cylinder. 9 .

9 . The intermittent continuous forming equipment for ceramic plate production according to claim 6 , wherein the material blocking mechanism further comprises a support, and the support is provided with a accommodating groove, and two or more of the The transverse oil cylinders are arranged in the accommodating groove with a predetermined distance from each other.

10 . The intermittent continuous forming equipment for ceramic plate production according to claim 9 , wherein the bottom of the transverse oil cylinder is in contact with the bottom of the accommodating tank, and the upper and lower sides of the transverse oil cylinder are in contact with the bottom of the accommodating tank. The upper and lower groove surfaces of the accommodating groove are in contact with each other.