Slip casting equipment for ceramic flowerpot

Abstract

The slip casting equipment comprises an outer mold body with an opening in the top, an inner mold body is inserted into the outer mold body from the top opening of the outer mold body, a slip casting space is formed between the outer mold body and the inner mold body, the inner mold body comprises a circular bottom plate, and a plurality of surrounding plates are evenly distributed around the circular bottom plate; the inner mold body is provided with a circular bottom plate and a surrounding plate, the surrounding plate is provided with a bottom angle arc-shaped part, the bottom angle arc-shaped part is attached to the periphery of the circular bottom plate to form the complete bottom face of the inner mold body, and the top of the bottom angle arc-shaped part is provided with a vertical wall part extending upwards. The movable wall plates are controlled to be separated from the green body in a rotating and folding mode through the expansion assembly, then the enclosing plates are disassembled one by one, and finally the circular bottom plate is disassembled, so that demolding of the inner mold body is divided into three ordered steps, and damage to the inner surface of the green body is effectively avoided while the efficient demolding speed is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of ceramic slurry mold technology, and in particular to a slurry molding device for ceramic flower pots. Background Technology

[0002] Slurry injection is a common production process for ceramic flower pots. It uses a plaster mold for slurry injection, where the plaster mold absorbs the moisture of the slurry and forms a green body inside the mold. After the green body dries and sets, the mold is removed. This single-layer mold slurry injection process is mainly used for the production of small-sized flower pots.

[0003] The molding mold used in the grouting production process of large-sized flower pots is double-layered, and grouting is performed between the two layers of molds. The double-layer molds can stably support the drying and shaping of large-sized blanks. However, in the double-layer grouting molds currently used for forming large-sized flower pot blanks, the inner mold is an integral or simple combination type, which makes it difficult and inefficient to dismantle the inner mold, and it is easy to damage the blank. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, the purpose of this invention is to provide a slip casting molding device for ceramic flower pots, which solves the problem that the inner mold is difficult to remove, has low removal efficiency, and is prone to damage to the blank in the double-layer slip casting mold currently used for forming large-size flower pot blanks.

[0005] To address the problems of the prior art, the technical solution of the present invention is as follows:

[0006] A grouting molding device for ceramic flower pots includes an outer mold body with an open top, and an inner mold body inserted into the outer mold body from its top opening. The outer mold body and the inner mold body form a grouting space. The inner mold body includes a circular base plate, and multiple enclosing plates are evenly distributed around the circular base plate. The enclosing plates have arc-shaped bottom corners, which fit against the outer perimeter of the circular base plate to form a complete bottom surface of the inner mold body. The top of the arc-shaped bottom corners has an upwardly extending vertical wall. Movable wall plates are fitted between adjacent vertical wall sections. The movable wall plates, the vertical wall sections, and the arc-shaped bottom corners fit together to form a complete side wall of the inner mold body. An expansion component is provided inside the inner mold body. The expansion component is used to drive the movable wall plates to expand and fit against the vertical wall sections or to retract and separate from the vertical wall sections.

[0007] Preferably, the expansion assembly includes a base plate and a shaft. The center of the base plate has a sleeve, the bottom of the shaft has a threaded portion, and the top of the shaft has a circular handle fixed thereon. The threaded portion is threadedly connected to the sleeve. Multiple torsion arms are rotatably mounted on the upper surface of the base plate. The torsion arms are fixedly connected to a movable wall plate. The movable wall plate is hinged to a connecting rod. A rotating seat is rotatably mounted on the surface of the shaft. The connecting rod is rotatably connected to the rotating seat. Rotating the shaft moves up and down relative to the base plate, causing the connecting rod to push and pull the movable wall plate to rotate and converge or expand.

[0008] Preferably, a screw cylinder is fixed at the center of the upper surface of the circular base plate, the sleeve is adapted to fit the outside of the screw cylinder, and the threaded part passes through the sleeve and is threadedly connected to the screw cylinder.

[0009] Preferably, the upper surface of the circular base plate has a lower groove, the lower surface of the seat plate has an upper groove, the edge of the bottom corner arc portion is fixed with a positioning plate, the positioning plate is adapted to be inserted between the lower groove and the upper groove, a positioning post is fixed in the lower groove, and the positioning post slides upward through the positioning plate and the seat plate.

[0010] Preferably, the top periphery of the vertical wall section and the movable wall panel has a reduced diameter section, and a sleeve is rotatably installed on the outside of the shaft, the sleeve being adapted to fit the reduced diameter section.

[0011] Preferably, the outer mold body is composed of two separate parts that fit together. The mating surfaces of the two separate parts have slots and plugs for fitting and insertion. Groove plates are fixed on the outer sides of the two separate parts. Ear plates are symmetrically fixed on both sides of the sleeve. The ear plates are inserted into the groove plates and then fixed by screws.

[0012] Preferably, the movable wall panel has a matching stepped groove at the edge where it fits the vertical wall and the bottom corner arc portion, and the inner arc edge of the bottom corner arc portion has a shoulder edge that fits the upper surface edge of the circular base plate. In the combined state, the top of the inner mold body is higher than the top of the outer mold body.

[0013] Compared with the prior art, the advantages of the present invention are as follows:

[0014] 1. This invention uses a double-layer mold for injection molding of large-sized flower pots. The inner mold is composed of a circular base plate, a surrounding plate, and a movable wall plate. The movable wall plate is separated from the blank by rotating and retracting through an expansion component. Then, the surrounding plates are removed one by one, and finally the circular base plate is removed. The demolding of the inner mold is divided into three orderly steps, which ensures efficient demolding speed while effectively avoiding damage to the inner surface of the blank, thereby improving the dimensional accuracy and surface quality of the large-sized flower pot.

[0015] 2. The circular base plate, enclosure plate, and seat plate of the present invention are quickly assembled to form an inner mold body by superimposing and engaging the positioning plate with the lower and upper slots and vertically inserting the positioning post, and then engaging and locking the threaded part with the screw cylinder. This makes the structure of the inner mold body stable and the assembly operation convenient.

[0016] 3. The outer mold body of the present invention is composed of two separate parts that fit together. The inserts are connected to the slots by fitting and plugging in. Two downwardly extending ear plates are symmetrically welded to the periphery of the sleeve. The assembled inner mold body is inserted downward into the outer mold body, so that the ear plates are inserted downward into the slot plates. Then, the ear plates and the slot plates are fixed by screws, so that the two separate parts are fixed and held together, forming a stable outer mold body. This not only keeps the inner mold body and the outer mold body fixed, but also accurately maintains the grouting space size between the inner mold body and the outer mold body. Attached Figure Description

[0017] Figure 1 This is a schematic diagram showing the distribution of the outer mold body and the inner mold body of the present invention.

[0018] Figure 2 This is a schematic diagram of the overall assembly state of the present invention.

[0019] Figure 3 This is one of the schematic diagrams of the inner mold assembly of the present invention.

[0020] Figure 4 This is the second schematic diagram of the inner mold assembly of the present invention.

[0021] Figure 5 This is a schematic diagram of the retractable wall panel structure of the present invention.

[0022] Figure 6 This is a schematic diagram of the movable wall panel expansion structure of the present invention.

[0023] Figure 7 This is a schematic diagram of the enclosure plate structure of the present invention.

[0024] Figure 8 This is a schematic diagram of the fit between the movable wall panel and the vertical wall portion of the present invention.

[0025] Figure 9 This is a schematic diagram of the positioning and connection structure of the enclosure plate, circular base plate, and seat plate of the present invention.

[0026] Reference numerals: 1. Outer mold body; 11. Slot; 12. Insert block; 13. Groove plate; 2. Circular base plate; 21. Screw barrel; 22. Lower groove; 23. Positioning post; 3. Enclosing plate; 31. Bottom corner arc part; 32. Vertical wall part; 33. Positioning plate; 34. Shoulder; 4. Movable wall panel; 5. Expansion assembly; 51. Seat plate; 52. Sleeve; 53. Shaft; 54. Threaded part; 55. Torsion arm; 56. Connecting rod; 57. Rotary seat; 58. Upper groove; 6. Stepped groove; 7. Diameter reduction part; 8. Hoop; 81. Ear plate. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0028] A type of slip casting equipment for ceramic flower pots, such as Figure 1 , Figure 2 As shown, it includes an outer mold body 1 and an inner mold body. The top of the outer mold body 1 is open, and the inner mold body is inserted into the interior of the outer mold body 1 through the top opening, forming a grouting space between the outer mold body 1 and the inner mold body.

[0029] The internal mold body has the following structural components:

[0030] like Figure 3 , Figure 4 As shown, the inner mold body includes a circular base plate 2, and multiple enclosing plates 3 are evenly distributed around the periphery of the circular base plate 2. The enclosing plates 3 are composed of bottom corner arc-shaped parts 31 and vertical wall parts 32. The bottom corner arc-shaped parts 31 are arc-shaped corner plates. The top of the bottom corner arc-shaped parts 31 is integrally fixed to the upwardly extending vertical wall parts 32. The inner arc edge of the bottom corner arc-shaped parts 31 has a shoulder 34. The inner arc side of the bottom corner arc-shaped parts 31 is attached to the outer edge of the circular base plate 2, and the shoulder 34 is attached to the upper surface edge of the circular base plate 2. The edges of adjacent bottom corner arc-shaped parts 31 are attached to each other to form a complete bottom surface of the inner mold body. Multiple movable wall plates 4 are distributed in a ring. The movable wall plates 4 are attached one by one between adjacent vertical wall parts 32. The bottom of the movable wall plates 4 is attached to the top edge of the bottom corner arc-shaped parts 31 to form a complete side wall of the inner mold body.

[0031] An expansion component 5 is provided inside the inner mold. The expansion component 5 is used to drive the movable wall panel 4 to expand and fit against the vertical wall portion 32 or to retract and separate from the vertical wall portion 32. The specific structure of the expansion component 5 is as follows:

[0032] like Figure 5 , Figure 6 As shown, the expansion assembly 5 includes a seat plate 51 and a shaft 53. The seat plate 51 is circular in shape, and a sleeve 52 that protrudes upward is integrally fixed at the center of the seat plate 51. The bottom of the shaft 53 has a threaded part 54, which is threaded to the top of the sleeve 52. A circular handle is fixed to the top of the shaft 53, which allows for easy manual rotation of the shaft 53. Multiple torsion arms 55 are distributed and rotatably installed in a ring on the upper surface of the seat plate 51. The top of each torsion arm 55 is fixed to each movable wall plate 4 by a screw. The hinged part at the bottom of the torsion arm 55 is lower than the bottom of the movable wall plate 4, allowing the movable wall plate 4 to swing by relying on the torsion arm 55.

[0033] Each movable wall panel 4 is hinged with a connecting rod 56. A rotating seat 57 is mounted on the surface of the shaft 53 via a bearing. The tops of all connecting rods 56 are tilted upwards and rotated to connect with the rotating seat 57. By rotating the shaft 53, the movable wall panel 4 moves up and down relative to the seat plate 51, causing the connecting rods 56 to push and pull the movable wall panel 4 to rotate and converge or expand.

[0034] like Figure 3 , Figure 4 , Figure 8 As shown, the mating edges of the movable wall panel 4, the vertical wall portion 32, and the bottom corner arc portion 31 have matching stepped grooves 6, which enable the movable wall panel 4 to be precisely sealed and fitted with the vertical wall portion 32 and the bottom corner arc portion 31, preventing leakage of grout at the splicing parts.

[0035] The assembly and positioning of the expansion component 5, the circular base plate 2, and the enclosure plate 3 are as follows:

[0036] like Figure 3-9 As shown, a screw cylinder 21 is fixed at the center of the upper surface of the circular base plate 2. A sleeve 52 can be fitted to the outside of the screw cylinder 21. The threaded part 54 passes through the sleeve 52 and can be threadedly connected to the screw cylinder 21. A lower groove 22 is provided on the edge of the upper surface of the circular base plate 2, and an upper groove 58 is provided on the edge of the lower surface of the seat plate 51. The lower groove 22 and the upper groove 58 are vertically aligned, and the number of the lower groove 22 and the upper groove 58 is the same as the number of the enclosing plates 3. A positioning plate 33 is fixed on the inner arc edge of the bottom corner arc part 31. A circular hole is provided through the surface of the positioning plate 33 and the upper groove 58. The positioning plate 33 is fitted and inserted between the lower groove 22 and the upper groove 58. A positioning post 23 is fixed in the lower groove 22. The positioning post 23 slides upward through the positioning plate 33 and the seat plate 51.

[0037] The specific assembly process of the inner mold body is as follows:

[0038] Place the circular base plate 2 flat, and surround the outer perimeter of the circular base plate 2 with the surrounding plates 3 one by one. Insert the positioning plate 33 vertically into the lower groove 22. The positioning post 23 passes through the positioning plate 33, so that the inner arc side of the bottom corner arc part 31 is attached to the outer perimeter of the circular base plate 2, and the edges of adjacent bottom corner arc parts 31 are attached to form the complete bottom surface of the inner mold body. In this state, the positioning plate 33 protrudes from the lower groove 22.

[0039] By inserting the sleeve 52 into the screw cylinder 21, the seat plate 51 is concentrically attached to the upper surface of the circular base plate 2. The upper grooves 58 at the bottom of the seat plate 51 are engaged with the protruding parts of the positioning plate 33, and the positioning pin 23 penetrates the seat plate 51. By engaging the positioning plate 33 with the lower groove 22 and the upper groove 58, and by inserting the positioning pin 23 into the positioning plate 33 and the seat plate 51, the radial and torsional positions of the seat plate 51, the enclosure plate 3, and the circular base plate 2 are precisely locked. In this state, the movable wall panels 4 are aligned with the gap between the vertical wall parts 32.

[0040] Then, the shaft 53 is rotated so that the threaded part 54 passes down through the sleeve 52 and is threadedly connected to the screw cylinder 21, thereby locking the axial position between the circular base plate 2, the enclosure plate 3, and the seat plate 51. When the shaft 53 is rotated down, the connecting rod 56 pushes the movable wall plate 4 to rotate outward and expand, so that the edge of the movable wall plate 4 fits with the adjacent vertical wall part 32, and the bottom of the movable wall plate 4 fits with the top edge of the bottom corner arc part 31, forming a complete side wall of the inner mold body, thus completing the combination and fixation of the inner mold body.

[0041] like Figure 4 , Figure 5 As shown, the top periphery of the vertical wall 32 and the movable wall plate 4 has a reduced diameter section 7. The center part of the sleeve 8 is rotatably connected to the shaft 53 through a bearing. During the process of rotating the shaft 53 to descend and push the movable wall plate 4 to expand, the sleeve 8 descends synchronously with the shaft 53, so that the sleeve 8 fits the periphery of the reduced diameter section 7 to reinforce and maintain the circular combined contour of the top of the inner mold body.

[0042] like Figure 1 , Figure 2 As shown, the outer mold body 1 is composed of two separate parts that fit together. The mating surfaces of the two separate parts have matching slots 11 and inserts 12. The inserts 12 fit into the slots 11 to make the two separate parts precisely aligned. The outer sides of the two separate parts are fixed with groove plates 13. The outer periphery of the sleeve 8 is symmetrically welded with two downward-extending ear plates 81. The width of the two ear plates 81 is slightly smaller than the distance between the groove plates 13 on the surfaces of the two separate parts. The assembled inner mold body is inserted downward into the outer mold body 1, so that the ear plates 81 are inserted downward into the groove plates 13 respectively. Then, the ear plates 81 are fixed to the groove plates 13 with screws. The ear plates 81 fix and hold the two separate parts together to form a stable outer mold body 1. At the same time, the inner mold body and the outer mold body 1 are fixed together, and the grouting space between the inner mold body and the outer mold body 1 is precisely maintained.

[0043] After the inner mold body and outer mold body 1 are fixedly combined, grout is injected into the grouting space through the top gap between the outer mold body 1 and the inner mold body. In the combined state, the top of the inner mold body is higher than the top of the outer mold body 1 to prevent grout from splashing into the inner mold body during grouting. After the grout dries and solidifies, a large-sized flower pot blank is formed. The steps for disassembling the inner mold body, outer mold body 1 and flower pot blank are as follows:

[0044] Remove the screws from the ear plate 81 and the slot plate 13, and slowly rotate the shaft 53 upwards, so that each connecting rod 56 pulls the movable wall plate 4 to gradually rotate and retract, separating it from the inner wall of the blank. At this time, due to the support of the vertical wall part 32, the movable wall plate 4 is less likely to cause deformation and damage to the blank during the separation process. When the threaded part 54 rotates upwards and separates from the screw barrel 21, the movable wall plate 4 is also completely separated from the inner wall of the blank. At the same time, the sleeve 8 also moves upwards with the shaft 53 and separates from the diameter reduction part 7. The outer dimension of the movable wall plate 4 after retraction is smaller than the inner diameter of the blank, so the expansion component 5 and the movable wall plate 4 can be pulled out upwards from the inside of the blank.

[0045] The enclosure plate 3 is disassembled one by one. Each enclosure plate 3 has a small adhesion area to the inner wall of the blank, making it easy to separate. First, move the enclosure plate 3 upward so that the positioning plate 33 comes out of the lower groove 22, and also distribute the insertion of the positioning plate 33 and the positioning post 23. Then move the enclosure plate 3 towards the center and take it out. After removing the enclosure plates 3 one by one, only the circular base plate 2 remains. Hold the screw cylinder 21 and separate the circular base plate 2 from the blank to complete the separation and removal of the inner mold body from the blank.

[0046] When the expansion component 5 is removed upward from the blank, the ear plate 81 is simultaneously pulled out from the groove plate 13, releasing the lock on the split part, and the two split parts can be directly separated to complete the separation of the outer mold body 1 from the blank.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A slip casting molding device for ceramic flower pots, comprising an outer mold body (1) with an open top, an inner mold body inserted into the outer mold body (1) from its top opening, wherein the outer mold body (1) and the inner mold body form a slip casting space, characterized in that, The inner mold body includes a circular base plate (2), and multiple enclosure plates (3) are evenly distributed around the circular base plate (2). The enclosure plates (3) have bottom corner arc-shaped parts (31). The bottom corner arc-shaped parts (31) are attached to the outer periphery of the circular base plate (2) to form a complete bottom surface of the inner mold body. The top of the bottom corner arc-shaped parts (31) has an upwardly extending vertical wall part (32). A movable wall plate (4) is attached between adjacent vertical wall parts (32). The movable wall plate (4) is attached to the vertical wall part (32) and the bottom corner arc-shaped parts (31) to form a complete side wall of the inner mold body. An expansion component (5) is provided in the inner mold body. The expansion component (5) is used to drive the movable wall plate (4) to expand and attach to the vertical wall part (32) or to retract and separate from the vertical wall part (32).

2. The slip casting equipment for ceramic flower pots according to claim 1, characterized in that, The expansion assembly (5) includes a base plate (51) and a shaft (53). The center of the base plate (51) has a sleeve (52), and the bottom of the shaft (53) has a threaded part (54). The threaded part (54) is threadedly connected to the sleeve (52). Multiple torsion arms (55) are rotatably mounted on the upper surface of the base plate (51). The torsion arms (55) are fixedly connected to the movable wall plate (4). The movable wall plate (4) is hinged to a connecting rod (56). A rotating seat (57) is rotatably mounted on the surface of the shaft (53). The connecting rod (56) is rotatably connected to the rotating seat (57). Rotating the shaft (53) moves up and down relative to the base plate (51), causing the connecting rod (56) to push and pull the movable wall plate (4) to rotate and converge or expand.

3. The slip casting equipment for ceramic flower pots according to claim 2, characterized in that, A screw cylinder (21) is fixed at the center of the upper surface of the circular base plate (2). The sleeve (52) is adapted to fit the outside of the screw cylinder (21). The threaded part (54) passes through the sleeve (52) and is threadedly connected to the screw cylinder (21).

4. The slip casting equipment for ceramic flower pots according to claim 2, characterized in that, The upper surface of the circular base plate (2) has a lower groove (22) and the lower surface of the seat plate (51) has an upper groove (58). The edge of the bottom corner arc part (31) is fixed with a positioning plate (33). The positioning plate (33) is adapted to be inserted between the lower groove (22) and the upper groove (58). The lower groove (22) is fixed with a positioning post (23). The positioning post (23) slides upward through the positioning plate (33) and the seat plate (51).

5. The slip casting equipment for ceramic flower pots according to claim 2, characterized in that, The top periphery of the vertical wall section (32) and the movable wall panel (4) has a reduced diameter section (7), and a sleeve (8) is rotatably installed on the outside of the shaft (53), the sleeve (8) being adapted to fit the reduced diameter section (7).

6. The slip casting equipment for ceramic flower pots according to claim 5, characterized in that, The outer mold body (1) is composed of two separate parts that fit together. The mating surfaces of the two separate parts have slots (11) and inserts (12) for fitting. A groove plate (13) is fixed on the outer side of the two separate parts. Ear plates (81) are symmetrically fixed on both sides of the sleeve (8). The ear plates (81) are inserted into the groove plate (13) and then fixed by screws.

7. The slip casting equipment for ceramic flower pots according to claim 2, characterized in that, A circular handle is fixed to the top of the shaft (53).

8. The slip casting equipment for ceramic flower pots according to claim 1, characterized in that, The movable wall panel (4) has a matching stepped groove (6) at the fitting edge of the vertical wall part (32) and the bottom corner arc part (31).

9. The slip casting equipment for ceramic flower pots according to claim 1, characterized in that, The inner arc edge of the bottom corner arc portion (31) has a shoulder (34), which fits the edge of the upper surface of the circular base plate (2).

10. The slip casting equipment for ceramic flower pots according to claim 1, characterized in that, In the combined state, the top of the inner mold body is higher than the top of the outer mold body (1).

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