Concrete mold for manufacturing mortar cakes

Abstract

The invention discloses a concrete mold for manufacturing a mortar cake, and relates to the technical field of concrete molds, the concrete mold comprises a mold body, the top end of the mold body is provided with a cover plate, the cover plate is used for sealing the mold body, the mold body is internally provided with a mold cavity, and the mold cavity is used for manufacturing and forming the mortar cake; the top end of the mold body is provided with a cake making assembly, the cake making assembly comprises a propelling screw rod, the surface of the propelling screw rod is sleeved with a limiting sleeve, the bottom end of the limiting sleeve is connected with a propelling ring, and the propelling ring is embedded into the mold cavity. The mortar cake is not easy to damage, and the accuracy of later leveling is ensured; on the whole, the mortar cake quality is improved, the construction quality of a wood floor base layer is guaranteed, the rework and maintenance cost is reduced, and much convenience and remarkable benefits are brought to building construction.

Description

Technical Field

[0001] The invention relates to the technical field of concrete moulds, in particular to a concrete mould for making ash cakes. Background Art

[0002] There are pre-buried water heating pipes in the base of the wooden floor. When laying the wooden floor, the indoor floor must be level, otherwise the wooden floor will cause hollowing. Therefore, when pouring the base, the base needs to be leveled. Generally, the leveling work requires making ash cakes in each room area according to the indoor height baseline. The ash cake is a conical pile of cement mortar piled on the ground by a bricklayer, and a flat tile or cement piece is placed on the top of the conical pile. The height of the tile or cement piece is then adjusted to a predetermined height. After the cement pile solidifies, it can be used as the horizontal standard height of the area.

[0003] In this regard, the patent with publication number CN219968307U discloses an ash cake making device comprising: a bracket, a support rod is arranged on the side of the bracket, a rotating piece is arranged at one end of the support rod, a threaded hole is opened on the surface of the mold, a screw is arranged in the threaded hole, a movable plug disc is arranged at one end of the screw, a round tube is arranged on the surface of the mold, and a scale is arranged on the side of the round tube; the beneficial effect is: the ash cake making device proposed in the utility model, when in use, the screw rod is moved down by rotating the handle, and the position of the movable plug disc in the mold is controlled by the scale arranged on the side of the round tube, and then the mortar of the same grade as the required concrete is poured into the mold through the feeding pipe, and compacted by the movable plug disc, after meeting the requirements, the rotating piece is unscrewed, and the adjusting handle is lifted to release the ash cake, so that the height of the ash cake can be accurately adjusted according to the needs, the applicability is good, and the structure is simple, the operation is convenient, the construction efficiency is improved, and manpower and material resources are saved.

[0004] The traditional method of making ash cakes is for a bricklayer to pile a conical pile of cement mortar on the ground, and then place a flat tile or cement sheet on the top of the conical pile. By repeatedly adjusting the height of the tile or cement sheet to a predetermined height, after the cement pile solidifies, this is used as the horizontal standard height of the area. However, this traditional production method has many disadvantages. On the one hand, workers are required to repeatedly lay and measure, and the operation process is very cumbersome, which greatly consumes manpower and time costs. On the other hand, the strength of the cement pile built by hand is low and it is easy to be damaged during the subsequent construction process. There are frequent personnel exchanges and material handling operations at the construction site, and the ash cake is easily collided and squeezed. Once the ash cake is damaged and its height changes, the accuracy of the subsequent leveling will be greatly reduced.

[0005] In view of the above problems, a concrete mold for making ash cakes is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a concrete mold for making ash cakes, which solves the problem of complicated ash cake making in the background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a concrete mold for making ash cakes, comprising a mold body, a cover plate is installed on the top of the mold body, the cover plate is used to seal the mold body, a mold cavity is opened inside the mold body, there are two mold bodies, the two mold bodies are spliced ​​on the left and right and connected by a fixing piece, and the two connected mold bodies are spliced ​​to form a sealed mold cavity inside, the mold cavity is used for making and molding ash cakes, a threaded rod is embedded in the cover plate, the bottom end of the threaded rod is connected to an adjustment plate, and the threaded rod and the adjustment plate are used to adjust the height of the mold cavity; A cake-making assembly is installed at the top of the mold body, and the cake-making assembly includes an advancing screw, a surface of the advancing screw is sleeved with a limiting sleeve, one side of the limiting sleeve is connected to a advancing ring, the advancing ring is embedded in the interior of the mold cavity, the advancing ring and the mold cavity are slidingly connected, the inner side of the advancing ring is connected to a diaphragm, the diaphragm is a sheet structure made of flexible material, the inner side of the diaphragm is connected to a top sheet, and a support ring is also embedded in the interior of the mold body, the support ring is fitted on one side of the diaphragm, and the support ring and the mold body are slidingly connected.

[0008] Preferably, the propulsion ring, the diaphragm and the top sheet are sealed and connected to each other, the diaphragm is embedded between the propulsion ring and the top sheet, and one side of the propulsion ring, the diaphragm and the top sheet are kept flush.

[0009] Preferably, one side of the top sheet is connected with a compaction component, the compaction component includes a conductive ball, the conductive ball is a spherical structure, the interior of the conductive ball is configured to be hollow, and the surface of the conductive ball is provided with evenly distributed through holes.

[0010] Preferably, a resonance claw is embedded in the through hole opened on the surface of the conductive ball, a knocking ball is connected to the end of the resonance claw, a connecting rod is connected to the side of the knocking ball away from the resonance claw, and the knocking ball is connected to the outer wall of the mold body through the connecting rod.

[0011] Preferably, a plurality of the resonant claws are provided, and every two resonant claws correspond to one through hole, and the ends of the resonant claws are connected to the hole wall of the through hole.

[0012] Preferably, the resonance claws are embedded in the through holes on each conductive ball in a divergent shape, and a plurality of resonance claws are embedded in the interior of the striking ball, and the resonance claws and the striking ball are fixedly connected.

[0013] Preferably, a mesh covering component is fixedly connected to the outer wall of the mold body, and the mesh covering component includes a mesh covering block. The mesh covering block is fixedly connected to both sides of the outer wall of the mold body, and the height of the mesh covering block is kept flush with the height of the mold body.

[0014] Preferably, a guide groove is provided inside the mesh block, a nylon mesh is embedded inside the guide groove, the nylon mesh extends from the inside of one mesh block to the inside of another mesh block, and the nylon mesh is laid transversely inside the mold cavity.

[0015] Preferably, a compacting block is connected to the top of the mesh covering block, and the compacting block is inserted into the guide groove. The compacting block is inserted into the inside of the guide groove to fix the two ends of the nylon mesh.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a concrete mold for making ash cakes, which improves the strength of the ash cakes so that the ash cakes are not easily damaged, ensuring the accuracy of later leveling; in addition, in order to solve the hollowing problem, the vibration structure of the mold can automatically vibrate after the concrete is filled, avoiding the hollowing of the ash cakes; and the design of filling nylon mesh effectively prevents the cracking of the ash cakes. Overall, the invention improves the quality of ash cakes, ensures the construction quality of the wood flooring base, reduces the cost of rework and repair, and brings many conveniences and significant benefits to construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic structural diagram of the cover plate and the advancing screw rod of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the phantom of the present invention; Figure 4 It is a schematic diagram of the structure of the mesh covering block and the compacting block of the present invention; Figure 5 It is a structural schematic diagram of the covering mesh block and the nylon mesh of the present invention; Figure 6 It is a schematic diagram of the structure of the membrane and the top sheet of the present invention; Figure 7 It is a schematic diagram of the structure of the support ring and the top sheet of the present invention; Figure 8 It is a schematic diagram of the structure of the top sheet and the conductive ball of the present invention; Fig. 9 It is a structural schematic diagram of the connecting rod and the striking ball of the present invention; Fig.10 It is a structural schematic diagram of the mold cavity and the push ring in the sliding separation state of the present invention.

[0018] In the figure: 11, mold body; 12, cover plate; 13, mold cavity; 14, threaded rod; 15, adjustment plate; 2, cake making assembly; 21, push screw; 22, support ring; 23, limit sleeve; 24, push ring; 25, diaphragm; 26, top plate; 3, mesh covering assembly; 31, mesh covering block; 32, compacting block; 33, nylon mesh; 34, guide groove; 4, shock compaction assembly; 41, connecting rod; 42, knocking ball; 43, resonance claw; 44, conduction ball. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0021] Combination Figure 1-Figure 10 A concrete mold for making ash cakes of the present invention comprises a mold body 11, a cover plate 12 is installed on the top of the mold body 11, the cover plate 12 is used to seal the mold body 11, a mold cavity 13 is opened inside the mold body 11, there are two mold bodies 11, the two mold bodies 11 are spliced ​​left and right and connected by a fixing piece, and the two connected mold bodies 11 are spliced ​​to form a sealed mold cavity 13 inside, and the mold cavity 13 is used for making and molding ash cakes, a threaded rod 14 is embedded in the cover plate 12, and an adjusting plate 15 is rotatably connected to the bottom end of the threaded rod 14, and the threaded rod 14 and the adjusting plate 15 are used to adjust the height of the mold cavity 13. In the production of ash cakes, the rise or fall of the threaded rod 14 drives the rise or fall of the adjusting plate 15 to adjust the height of the ash cakes; In addition, in the production of ash cakes, the mold body 11 is placed in a suitable position, and a scale is set on the inner wall of the mold cavity 13. The height of the concrete pouring can be judged by observing the scale. When making ash cakes of different heights, the concrete is poured from the top of the mold body 11 into the inside of the mold cavity 13, and the pouring is completed by controlling the filling amount of the poured concrete. After pouring, the cover plate 12 is covered, and the threaded rod 14 and the adjusting plate 15 are adjusted so that the adjusting plate 15 covers the upper surface of the concrete.

[0022] The sealing structure of the mold can not only prevent the overflow of concrete during the ash cake production process and ensure the cleanliness of the construction site, but also create a relatively stable environment for the molding of the ash cake inside the mold cavity 13 to avoid interference of external factors on the molding quality of the ash cake.

[0023] A cake-making assembly 2 is installed at the top of the mold body 11. The cake-making assembly 2 includes a propulsion screw 21, which is connected to the top of the mold body 11 through a mounting sleeve. The surface of the propulsion screw 21 is sleeved with a limiting sleeve 23, and one side of the limiting sleeve 23 is connected with a propulsion ring 24. The propulsion ring 24 is embedded in the interior of the mold body 11. Two groups of propulsion rings 24, a diaphragm 25 and a top sheet 26 are combined with the mold body 11 to form a mold cavity 13. The propulsion ring 24 and the mold cavity 13 are slidably connected. The top surfaces of the mold body 11 and the propulsion ring 24 are covered with the rear cover plate 12. The adjustment plate 15 arranged at the bottom end of the cover plate 12 is embedded in the interior of the mold cavity 13, covering the top of the mold cavity 13, so that the mold cavity 13 forms a closed space. In addition, a silicone ring is surrounded at the edge of the adjustment plate 15. As the propulsion rings 24 get closer, the extrusion of the silicone ring at the edge of the adjustment plate 15 will be increased, forcing it to deform, thereby increasing the degree of fit. In addition, by rotating the threaded rod 14, the threaded rod 14 descends, so that the adjustment plate 15 slides downward along the inner wall of the mold cavity 13, thereby squeezing the concrete. As the adjustment plate 15 squeezes the concrete, the bubbles remaining on the surface are broken, and high-pressure gas is formed inside during the downward pressing process. The high-pressure gas floats up and breaks through the seal of the silicone ring, so that the air inside can be discharged. The inner side of the propulsion ring 24 is connected to a diaphragm 25, which is a sheet structure made of flexible material. The inner side of the diaphragm 25 is connected to a top sheet 26. The ring 24, the diaphragm 25 and the top sheet 26 are arranged on the side of the mold body 11. The internal space of the mold cavity 13 is changed by moving the position of the push ring 24, the diaphragm 25 and the top sheet 26. A support ring 22 is also embedded in the mold body 11. The support ring 22 is attached to one side of the diaphragm 25. The support ring 22 and the mold body 11 are slidingly connected. The push ring 24, the diaphragm 25 and the top sheet 26 are sealed and connected. The diaphragm 25 is embedded between the push ring 24 and the top sheet 26. One side of the push ring 24, the diaphragm 25 and the top sheet 26 remain flush.

[0024] In the production of ash cakes, in order to improve the production efficiency of ash cakes, concrete is poured into the interior of the assembled mold body 11, and concrete is poured into the interior of the mold cavity 13. After molding, an ash cake can be formed, wherein the shape of the mold cavity 13 can be square or conical. The shape of the mold cavity 13 can be diversified according to market demand.

[0025] In the production of ash cakes, concrete is first poured into the mold cavity 13, and then the cover plate 12 is preliminarily covered on the top of the mold body 11 for preliminary sealing, and then the push screw 21 is rotated. When the push screw 21 rotates, it is pushed to one side. The push of the push screw 21 drives the movement of the push ring 24. When the push ring 24 moves, it drives the movement of the diaphragm 25 and the top sheet 26. That is, the movement of the push ring 24 changes the internal space of the mold cavity 13. When the internal space of the mold cavity 13 changes, the concrete will be squeezed. After squeezing, the concrete can eliminate the internal hollows and make the concrete filling more compact. Under different working conditions, a partition plate can be placed inside the mold cavity 13. After the partition is placed, two ash cakes can be formed by one pouring. As the internal space of the mold cavity 13 is squeezed and reduced by the push ring 24, the concrete filled inside is squeezed, and then the excess concrete will overflow. At this time, the concrete will overflow from the joint between the mold body 11 and the cover plate 12 that has not been completely sealed. Then, the cover plate 12 is sealed by the fixing member, so that the mold body 11 and the cover plate 12 are completely sealed, and the pouring of concrete is completed. In order to increase the filling density of concrete after pouring, the concrete can be vibrated by the vibration assembly 4. The vibration can increase the flow of concrete inside the mold cavity 13 and eliminate the hollow inside. The specific operation is as follows: Traditional molds eliminate internal hollows by knocking the mold to generate vibrations, thereby promoting the flow of internal concrete. However, knocking the mold will cause the mold to deform, which will cause the size of the formed ash cake to change. In order to solve this problem, a vibration component 4 is provided to solve the deformation of the mold caused by the above-mentioned knocking. One side of the top plate 26 is connected to a shock component 4, which includes a conductive ball 44. The conductive ball 44 is a spherical structure. The interior of the conductive ball 44 is set to be hollow. The surface of the conductive ball 44 is provided with evenly distributed through holes. Resonance claws 43 are embedded in the through holes opened on the surface of the conductive ball 44. The end of the resonance claw 43 is connected to a knocking ball 42. The side of the knocking ball 42 away from the resonance claw 43 is connected to a connecting rod 41. The knocking ball 42 is connected to the outer wall of the mold body 11 through the connecting rod 41. There are multiple resonance claws 43, and every two resonance claws 43 correspond to a through hole. The end of the resonance claw 43 is connected to the hole wall of the through hole. The resonance claws 43 are embedded in the through hole on each conductive ball 44 in a divergent shape. Multiple resonance claws 43 are embedded in the inside of the knocking ball 42, and the resonance claws 43 and the knocking ball 42 are fixedly connected.

[0026] When the thickness of the cast ash cake is thicker, due to the large volume of concrete, a plurality of resonance claws 43 need to be set accordingly, so as to ensure a good resonance effect. When the thickness of the ash cake is thinner, the volume of concrete is small, and fewer resonance claws 43 can be set, which reduces the volume of the overall device. Different compaction effects can be achieved by setting different numbers of resonance claws 43.

[0027] When the vibration is realized, the staff knocks the knocking ball 42 to make the knocking ball 42 vibrate. When the knocking ball 42 is vibrated, the force will be transmitted to the resonance claw 43. Since the length and thickness of the resonance claw 43 are different, the vibration amplitude of each resonance claw 43 is different at this time, and the vibration of different amplitudes is transmitted to the top sheet 26, so that the top sheet 26 starts to vibrate. Since the diaphragm 25 is in direct contact with the concrete in the mold, this vibration of different frequencies can act on the concrete more comprehensively and meticulously. In the process of concrete filling the mold, there may be differences in the fluidity and density of concrete in different areas, and this multi-frequency vibration can make the particles in the concrete squeeze and fill each other in different directions and with different forces, effectively avoiding the appearance of gaps and unevenness inside the concrete, thereby making the ash cake more compact as a whole and improving the strength and stability of the ash cake. In the traditional ash cake production, it is difficult to achieve such fine and comprehensive manual vibration, which leads to weak points inside the ash cake. This design solves this problem well. In addition, vibrations of different amplitudes make it easier for the gas inside the concrete to gather and discharge upward. The vibration of the top plate 26 drives the vibration of the concrete, which changes the movement trajectory of the gas in the concrete, allowing the gas to escape upward through the gaps in the concrete more smoothly, reducing the risk of hollowing inside the ash cake and ensuring the quality of the ash cake.

[0028] In addition, the knocking ball 42 replaces the traditional direct knocking method of the mold, which frequently causes the mold to be subjected to impact force. Under long-term action, the structure of the mold is easily damaged, such as edge wear and surface depression. The knocking ball 42 is used to indirectly vibrate the concrete, which can effectively prevent the mold from being directly subjected to the impact force of the knocking, greatly reduce the possibility of mold deformation, and extend the service life of the mold. This means that in the long-term construction process, there is no need to frequently replace the mold, which reduces construction costs and improves resource utilization.

[0029] In addition, in the production of the ash cake, the nylon mesh 33 is filled into the interior of the mesh component 3 through the mesh component 3, and the specific operation is as follows: The outer wall of the mold body 11 is fixedly connected with a mesh assembly 3, which includes a mesh block 31. The mesh block 31 is fixedly connected to both sides of the outer wall of the mold body 11. The bottom end of the mesh block 31 is embedded in the interior of the mold body 11, and the height of the mesh block 31 is kept flush with the height of the mold body 11. A guide groove 34 is opened inside the mesh block 31, and the guide groove 34 is connected to the mold cavity 13. A nylon net 33 is embedded in the guide groove 34. The nylon net 33 extends from the inside of one of the mesh blocks 31 to the inside of another mesh block 31. The nylon net 33 is laid horizontally inside the mold cavity 13. A compacting block 32 is connected to the top of the mesh block 31. The compacting block 32 is inserted into the guide groove 34. The compacting block 32 is inserted into the inside of the guide groove 34 to fix the two ends of the nylon net 33. Filling the nylon mesh 33 in the ash cake production has the effect of preventing cracking, and the creep between the nylon mesh 33 and the concrete during the compaction process further strengthens this effect; The nylon mesh 33 has high strength and toughness. When the concrete generates internal stress due to shrinkage, temperature change and other factors, the nylon mesh 33 can disperse these stresses. When the concrete is subjected to tensile stress, the nylon mesh 33 can bear part of the tensile force to avoid cracks in the concrete due to local stress concentration. In addition, during vibration, the creep of the nylon mesh 33 and the upper and lower layers of concrete makes the stress distribution inside the concrete more uniform. During the vibration process, the coarse aggregate, fine aggregate and cement paste in the concrete will be more evenly mixed due to the interaction with the nylon mesh 33, reducing the voids and uneven areas inside the concrete. The creep of the nylon mesh 33 and the concrete increases the friction and mechanical bite force between the nylon mesh 33 and the concrete, so that the nylon mesh 33 is better combined with the concrete as a whole, and at the same time plays a role similar to a "skeleton", limiting the excessive flow and deformation of the concrete. Since the two ends of the nylon mesh 33 are fixed and relatively static during vibration, it can constrain the movement of the upper and lower layers of concrete, preventing the concrete from local collapse or uneven settlement during vibration, thereby ensuring the overall stability of the ash cake during the molding process, which helps to produce ash cakes with regular shapes and stable quality.

[0030] In summary, in terms of structural design, the combination of the mold body 11, the cover plate 12 and the mold cavity 13 of the present invention not only ensures the sealing of the concrete during the production process, avoids overflow and external interference, but also provides a stable space for the ash cake forming. The advancing screw 21, the limiting sleeve 23, the advancing ring 24, the diaphragm 25, the top plate 26 and the support ring 22 of the cake making assembly 2 cooperate with each other to achieve efficient extrusion and forming operations of the concrete in the mold cavity 13, which can not only eliminate the hollowing inside the concrete, but also realize the casting of multiple ash cakes at one time by placing a partition plate, greatly improving the production efficiency.

[0031] The design of the vibration component 4 uses the vibration of different amplitudes of the resonance claw 43 by striking the striking ball 42, so that the top plate 26 drives the diaphragm 25 to vibrate the concrete comprehensively and carefully. This not only solves the problem of deformation caused by traditional striking the mold, prolongs the service life of the mold, and reduces the construction cost, but also greatly improves the density, strength and stability of the ash cake, effectively reduces the internal hollowing phenomenon, and ensures the quality of the ash cake.

[0032] The use of nylon mesh 33 in the covering mesh component 3 prevents the ash cake from cracking. At the same time, it further enhances the uniformity of the internal structure of the concrete through creeping with the concrete during vibration, improves the bonding force between the concrete and the nylon mesh 33, limits excessive flow and deformation of the concrete, and ensures the overall stability of the ash cake during the molding process.

[0033] In general, the mold effectively solves the problems of low efficiency, unstable quality, and easy damage of the mold in the traditional ash cake production process. It provides an efficient and reliable solution for ash cake production in construction, helps to improve the overall construction quality, and has broad application prospects and promotion value in the construction industry.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete mold for making ash cakes, characterized by: It comprises a mold body, a cover plate is installed on the top of the mold body, the cover plate is used to seal the mold body, a mold cavity is opened inside the mold body, there are two mold bodies in total, the two mold bodies are spliced ​​on the left and right and connected by a fixing piece, and the two connected mold bodies are spliced ​​to form a sealed mold cavity inside, the mold cavity is used for making and molding ash cakes, a threaded rod is embedded in the cover plate, the bottom end of the threaded rod is connected to an adjustment plate, the threaded rod and the adjustment plate are used to adjust the height of the mold cavity, and the mold cavity is used for making and molding ash cakes; A cake-making assembly is installed at the top of the mold body, and the cake-making assembly includes a propulsion screw, a limiting sleeve is sleeved on the surface of the propulsion screw, a propulsion ring is connected to one side of the limiting sleeve, the propulsion ring is embedded in the mold cavity, the propulsion ring and the mold cavity are slidably connected, a diaphragm is connected to the inner side of the propulsion ring, the diaphragm is a sheet structure made of flexible material, the inner side of the diaphragm is connected to a top sheet, a support ring is also embedded in the mold body, the support ring is attached to one side of the diaphragm, and the support ring and the mold body are slidably connected; A shock assembly is connected to one side of the top sheet, and the shock assembly includes a conductive ball. The conductive ball is a spherical structure. The interior of the conductive ball is set to be hollow. The surface of the conductive ball is provided with evenly distributed through holes. Resonance claws are embedded in the through holes on the surface of the conductive ball. The end of the resonance claw is connected to a knocking ball. The side of the knocking ball away from the resonance claw is connected to a connecting rod. The knocking ball is connected to the outer wall of the mold body through the connecting rod. There are multiple resonance claws, and every two resonance claws correspond to a through hole. The ends of the resonance claws are connected to the hole wall of the through hole. The resonance claws are embedded in the through holes on each conductive ball in a divergent shape. Multiple resonance claws are embedded in the interior of the knocking ball, and the resonance claws and the knocking ball are fixedly connected.

2. The concrete mold for making ash cakes according to claim 1 is characterized in that: The push ring, the diaphragm and the top sheet are sealed and connected to each other. The diaphragm is embedded between the push ring and the top sheet. The push ring, the diaphragm and one side of the top sheet are kept flush.

3. The concrete mold for making ash cakes according to claim 1 is characterized in that: A mesh covering component is fixedly connected to the outer wall of the mold body, and the mesh covering component includes a mesh covering block. The mesh covering block is fixedly connected to both sides of the outer wall of the mold body, and the height of the mesh covering block is kept flush with the height of the mold body.

4. The concrete mold for making ash cakes according to claim 3 is characterized in that: A guide groove is provided inside the mesh block, a nylon mesh is embedded inside the guide groove, the nylon mesh extends from the inside of one mesh block to the inside of another mesh block, and the nylon mesh is horizontally laid inside the mold cavity.

5. The concrete mold for making ash cakes according to claim 4 is characterized in that: The top of the mesh covering block is connected with a compacting block, and the compacting block is inserted into the guide groove. The compacting block is inserted into the inside of the guide groove to fix the two ends of the nylon mesh.

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