Forming device for processing concrete pipe

Abstract

The invention discloses a forming device for processing a concrete pipe. The forming device comprises a rack, a suspension roller and a mold, a distributing device is arranged below the suspension roller, the shaft end of one side of the distributing device communicates with a mortar mixing tank through a feeding pipe, and the feeding pipe is used for conveying mortar in the mortar mixing tank into the distributing device. The distributing device is configured to quantitatively and uniformly inject mortar entering the distributing device into the mold cavity in the axial direction, and under the action of the distributing device, the mortar is uniformly injected in the axial direction when entering the mold cavity. The problems of non-uniform thickness of a pipe body and mold shaking caused by non-uniform axial distribution of mortar under the centrifugal effect are avoided; meanwhile, the mortar is uniformly injected into the mold cavity in the axial direction in advance, the process that the mortar diffuses in the axial direction under the centrifugal effect is reduced, the centrifugal time can be shortened, and the situation that materials in the mortar are layered due to long-time centrifugation is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of precast concrete pipe processing, and specifically refers to a forming device for processing concrete pipes. Background Art

[0002] The method of manufacturing concrete pipes by the suspension roller method is to drive the suspension roller shaft and the steel mold to rotate through a suspension roller pipe making machine, and use centrifugal force and roller pressure to make the concrete mixture evenly adhere to and compact on the inner wall of the mold, forming a smooth inner wall and a dense pipe wall. The concrete pipes manufactured by this method have the advantages of high strength and good appearance quality, and are widely used in municipal drainage, highways, farmland water conservancy and other fields, which can meet the pipeline requirements of different specifications and performances. At the same time, there is less noise and dust in the production process, showing good environmental protection performance.

[0003] At present, in the feeding process of manufacturing concrete pipes by the suspension roller method, it mainly relies on a conveyor belt to transport the mixed mortar to a fixed position in the mold, and then through the rotation of the suspension roller shaft, the mortar generates centrifugal force and spreads around, gradually forming a pipe body with a certain thickness. However, in this way of feeding the mold at a fixed point, problems such as uneven distribution of aggregates in the mortar, extended centrifugation time, and deviation and shaking of the mold from the axis will all have an adverse impact on the forming of the pipe. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a forming device for processing concrete pipes to at least partially solve the problems raised in the above background art.

[0005] The technical solution adopted by the present invention is as follows: A forming device for processing concrete pipes is proposed, including: A frame, including a first frame and a second frame; A suspension roller, arranged between the first frame and the second frame; A mold, configured as a hollow cylinder with a cavity, and installed outside the suspension roller parallel to the axis of the suspension roller; A first driver, fixedly installed on the first frame and used to drive the suspension roller to rotate; Wherein, a distributor is arranged below the suspension roller, and one axial end of the distributor is connected to a mortar mixing tank through a feeding pipe, and the feeding pipe is used to transport the mortar in the mortar mixing tank to the distributor, and the distributor is configured to evenly inject the mortar entering the distributor into the cavity along the axial direction in a quantitative manner.

[0006] Furthermore, the distributor includes a feed pipe and a discharge pipe arranged parallel to the feed pipe, the feed pipe has a feed channel for accommodating mortar inside, a linear discharge channel is provided at the bottom of the discharge pipe, the length of the discharge channel is equal to the length of the mold cavity, and the distribution direction of the discharge channel is parallel to the axis of the mold, after the mortar inside the feed channel is filled in the axial direction, it overflows into the discharge pipe, so that the mortar discharged from the discharge channel can be quantitatively and simultaneously added to the mold cavity along the axial direction.

[0007] Furthermore, an agitator is provided inside the feed pipe, and a second driver for driving the agitator to rotate is fixedly provided on one axial end of the feed pipe. The agitator includes a rotating shaft and a plurality of first guide plates and second guide plates fixed on the rotating shaft. The rotating shaft is parallel to the axis of the mold, and the rotating shaft is fixedly connected to the output shaft of the second driver. The first guide plate is configured to feed the mortar in the feed channel along a first direction, and the second guide plate is configured to feed the mortar in the feed channel along a second direction, wherein the first direction and the second direction are opposite and both are parallel to the axis of the mold.

[0008] Further, the number ratio of the first guide plates to the second guide plates is 1, and the first guide plates and the second guide plates are alternately distributed in the axial direction.

[0009] Furthermore, an overflow cover is provided on the top of the feed pipe and the discharge pipe, and an overflow cavity for connecting the feed pipe and the discharge pipe is provided on the inner side of the overflow cover. After the mortar in the feed pipe is filled, it flows from the overflow cavity to the discharge pipe.

[0010] Furthermore, at least one feeding pipe is provided on the top of the overflow cover, and the feeding pipe is connected to an external auxiliary material feeding device. The feeding pipe is distributed on the top of the feed delivery pipe, and a feeding channel is provided between the feeding pipe and the feed delivery pipe, so that the material in the feeding pipe can enter the feed delivery channel through the feeding channel.

[0011] Furthermore, the auxiliary materials transported in the feed pipe include one or more of water, cement and admixtures.

[0012] Furthermore, roller shafts are fixedly provided at both ends of the suspension roller, and the roller shafts at both ends are rotatably installed on the first frame and the second frame respectively, a hanger is provided on the roller shaft, the roller shaft is rotatably connected to the hanger, the distributor is fixedly installed on the bottom of the hanger, a scraper is fixedly installed on the hanger, the scraper is located between the suspension roller and the distributor, and one end of the scraper is in contact with the outer wall of the suspension roller, so as to scrape off the attachments on the surface of the suspension roller.

[0013] Furthermore, the scraper includes a scraping section and a discharging section, wherein one end of the scraping section contacts the outer surface of the suspension roller, and the other end is connected to the discharging section, and the discharging section and the scraping section are bent to form a set angle, so that the attachments scraped off the surface of the suspension roller by the scraping section are discharged from the lower end of the discharging section.

[0014] Furthermore, a plurality of evenly distributed material equalizing plates are provided inside the feed pipe along the length direction, so that the mortar in the feed pipe can flow evenly toward the feed channel along the axial direction.

[0015] Beneficial effects: The present invention arranges a distributor below the suspension roller. Under the action of the distributor, the mortar is evenly filled in the axial direction when entering the mold cavity, thereby avoiding the problems of uneven thickness of the tube body and shaking of the mold caused by uneven axial distribution of the mortar under the action of centrifugation. At the same time, the mortar is evenly filled into the mold cavity in the axial direction in advance, which also reduces the process of axial diffusion of the mortar under the action of centrifugation, can reduce the centrifugation time, and avoid long-term centrifugation causing stratification of materials inside the mortar. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a forming device for processing a concrete pipe proposed in an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a mold is provided for an embodiment of the present invention; Figure 3 A schematic diagram of the structure of a suspension roller and a distributor is provided for an embodiment of the present invention; Figure 4 A schematic diagram of the internal structure of a distributor is provided for an embodiment of the present invention; Figure 5 A schematic diagram of a partial structure inside a distributor is provided for an embodiment of the present invention; Figure 6 The present invention provides a schematic structural diagram of a scraper between a suspension roller and a distributor.

[0017] Among them, 10, frame; 11, first frame; 12, second frame; 13, shaft seat; 20, suspension roller; 21, roller shaft; 22, hanger; 30, mold; 301, mold cavity; 31, cylinder; 32, end cover; 40, first driver; 41, transmission mechanism; 50, distributor; 51, feed pipe; 510, feed channel; 511, shaft; 512, first guide plate; 513, second guide plate; 52, discharge pipe; 520, discharge channel; 521, material equalizing plate; 53, second driver; 54, overflow cover; 540, overflow cavity; 55, feed pipe; 550, feed channel; 60, feed pipe; 70, scraper; 71, scraping section; 72, discharge section.

[0018] The accompanying drawings are used to provide a further understanding of the embodiments and form a part of the description. They are used in conjunction with the present embodiments for explanation and do not constitute a limitation to the embodiments. Detailed implementation manners

[0019] The following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments without creative efforts belong to the scope of protection.

[0020] In the description of the embodiments, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the embodiments.

[0021] The suspension roller pipe-making process mainly relies on the action of the roller pressure to compact the concrete. When making pipes with a suspension roller, the rotation speed of the pipe mold is relatively low. Therefore, the main function of the centrifugal force is to evenly distribute the material. At present, when the mortar material is transported to the middle of the pipe mold at a fixed point by a conveyor belt, when the mortar material is spread axially under the action of the centrifugal force, there will inevitably be a phenomenon of uneven aggregate distribution. The uneven aggregate distribution will cause the strength of the formed pipe to be inconsistent at various axial positions. And in order to make the mortar spread evenly axially, the rotation time of the pipe mold will also be extended. During the pipe-making process, due to uneven feeding or uneven distribution of the concrete, an unbalanced centrifugal force may be generated, resulting in the mold 30 shaking during rotation. The shaking of the mold 30 may cause the wall thickness of the concrete pipe to be uneven, affecting the overall strength and impermeability of the pipe body.

[0022] Therefore, the embodiments of the present invention provide a forming device for processing concrete pipes, aiming to achieve uniform feeding into the mold 30 and ensure the stability of the rotation of the mold 30 during the pipe-making process. The device mainly includes a frame 10, a suspension roller 20, a mold 30, a first driver 40, and a distributor 50.

[0023] As Figure 1 shown, the frame 10 includes a first frame 11 and a second frame 12. The suspension roller 20 is arranged between the first frame 11 and the second frame 12. The mold 30 is arranged as a hollow cylinder with a mold cavity 301 and is installed outside the suspension roller 20 parallel to the axis of the suspension roller 20.

[0024] Among them, the first frame 11 and the second frame 12 are respectively located at both ends of the hanging roller 20, and are used to keep the hanging roller 20 in a stable rotation state at a set position during rotation. The first frame 11 and the second frame 12 are both made of steel structure. Generally, the volume of the first frame 11 is relatively large. The first driver 40 is fixedly installed on the first frame 11 and is used to drive the hanging roller 20 to rotate. A rotating shaft seat 13 is arranged at the bottom of the first frame 11 for installing the roller shaft 21 on one side of the hanging roller 20. The second frame 12 is set as an adjustable structure, and can disengage the roller shaft 21 on the other side of the hanging roller 20 from the second frame 12, facilitating the lifting and lowering of the mold 30.

[0025] In some embodiments, the first driver 40 adopts an adjustable-speed reduction motor, and drives the hanging roller 20 to rotate through a transmission mechanism 41 on the output side. The transmission mechanism 41 generally adopts belt transmission. By arranging belt pulleys on the roller shaft 21, arranging a driving pulley at the output shaft end of the reduction motor, and sleeving a transmission belt outside the driving pulley and the belt pulley at the same time, the reduction motor can drive the hanging roller 20 to rotate.

[0026] As Figure 1 and Figure 2 shown, the mold 30 includes a cylinder body 31 and end covers 32. The mold 30 is made of steel structure material. The cylinder body 31 is formed by fitting two detachable semi-circular grooves. The two end covers 32 are respectively installed at the ends of the cylinder body 31 along the axis through bolts, preventing the mortar in the mold cavity 301 from being thrown out from both shaft ends during centrifugal rotation. The hanging roller 20 is located inside the two end covers 32 and can roll on the inner wall of the cylinder body 31, enabling the mortar filled into the mold cavity 301 to form a pipe with a certain thickness.

[0027] Furthermore, a distributor 50 is arranged below the hanging roller 20. One shaft end of the distributor 50 is connected to the mortar mixing tank through a feed pipe 60. The feed pipe 60 is used to transport the mortar in the mortar mixing tank to the distributor 50.

[0028] Generally, the raw materials need to be put into the mortar mixing tank and stirred according to a set ratio. The raw materials generally include water, aggregate, cement, admixture, and additives, etc. After the raw materials are stirred evenly in the mortar mixing tank, they are then transported to the distributor 50 through the feed pipe 60. The feed pipe 60 uses a screw conveyor to transport the mortar, which can ensure the continuity and stability of the transportation.

[0029] Furthermore, the distributor 50 is configured to uniformly inject the mortar entering the distributor 50 into the mold cavity 301 in a quantitative manner along the axial direction. In this way, compared with the current method of injecting mortar into the mold cavity 301 at a fixed point by a conveyor belt, under the action of the distributor 50 in this solution, when the mortar enters the mold cavity 301, it is uniformly injected in the axial direction, which can make the aggregate in the mortar evenly distributed in the axial direction, avoiding the problems of uneven pipe wall thickness caused by uneven axial distribution of the mortar under the centrifugal force and the shaking of the mold 30. At the same time, the mortar is uniformly injected into the mold cavity 301 in the axial direction in advance, which also reduces the process of the mortar diffusing axially under the centrifugal force, can reduce the centrifugation time, and avoid the layering of the materials inside the mortar caused by long-term centrifugation.

[0030] As Figure 3 , Figure 4 and Figure 6 shown, the distributor 50 includes a material conveying pipe 51 and a blanking pipe 52 arranged in parallel beside the material conveying pipe 51. The inside of the material conveying pipe 51 has a material conveying channel 510 for accommodating the mortar. The bottom of the blanking pipe 52 is provided with a linear blanking channel 520. The length of the blanking channel 520 is equal to the length of the mold cavity 301, and the distribution direction of the blanking channel 520 is parallel to the axis of the mold 30.

[0031] Further, when the uniformly stirred mortar in the supply pipe 60 is continuously conveyed to the material conveying pipe 51, the mortar will first fill the material conveying pipe 51 in the axial direction. After the mortar in the material conveying channel 510 is filled in the axial direction, the liquid level of the mortar in the material conveying pipe 51 will continue to move upward until it is higher than the upper end of the filled material conveying pipe 51. Then the mortar will overflow into the blanking pipe 52 beside the material conveying pipe 51, so that the mortar discharged from the blanking channel 520 can be uniformly injected into the mold cavity 301 in a quantitative and simultaneous manner along the axial direction.

[0032] Since the process of injecting the mortar into the mold cavity 301 can cover the entire axial space of the mold cavity 301 and can be quantitatively input into the mold cavity 301 at the same time, in this way, a certain amount of mortar can be added each time. After forming a pipe wall with a certain thickness, mortar is added again. The mortar can be added to the mold cavity 301 in small amounts and multiple times, which can ensure that each layer of concrete can be fully compacted, reduce the porosity, improve the strength and durability of the concrete pipe, and at the same time can avoid the layering phenomenon caused by too long centrifugal rotation time of the mortar, making the components of each layer of the concrete pipe more uniform and avoiding the performance differences caused by layering.

[0033] Although the mortar is currently added in multiple times (usually 3 - 4 times), since the mortar is added at a fixed point, if the added amount is too small, the mortar is not easily dispersed and spread axially. Therefore, the single - addition amount of this method is more than that of this solution. And compared with adding a large amount of mortar at one time currently, adding mortar in small amounts multiple times is more flexible for making pipes. For concrete pipes of different specifications and requirements, the production efficiency and product quality can be improved by adjusting the amount of concrete added each time and the centrifugation time.

[0034] Since the volume of the mixing tank is large, and there will be a mixing blind area during the mixing process of the mortar by the stirrer in the mixing tank, so there will be mortar materials that are not fully mixed entering the feeding pipe 51. In order to further mix the materials in the feeding pipe 51.

[0035] As Figure 4 and Figure 5 As shown, a stirrer is provided inside the feeding pipe 51. A second driver 53 for driving the stirrer to rotate is fixedly provided at one axial end of the feeding pipe 51. Generally, the second driver 53 uses an adjustable - speed motor, and the motor drives the stirrer to rotate along a fixed axis to stir the materials entering the feeding pipe 51.

[0036] Among them, the stirrer includes a rotating shaft 511 and a plurality of first guide plates 512 and second guide plates 513 fixed on the rotating shaft 511. The rotating shaft 511 is parallel to the axis of the mold 30, and the rotating shaft 511 is fixedly connected to the output shaft of the second driver 53. During operation, the motor drives the rotating shaft 511 to rotate, so that the first guide plates 512 and second guide plates 513 on the rotating shaft 511 further mix the materials in the feeding pipe 51, making the mortar evenly mixed.

[0037] Furthermore, the first guide plate 512 is configured to feed the mortar in the feeding channel 510 along a first direction, and the second guide plate 513 is configured to feed the mortar in the feeding channel 510 along a second direction, where the first direction and the second direction are opposite and both are parallel to the axis of the mold 30.

[0038] In some embodiments, both the first guide plate 512 and the second guide plate 513 are configured as circular plates inclined to the axis of the rotating shaft 511. The first direction is the direction in which the mortar enters the feeding pipe 51. When the rotating shaft 511 rotates to drive the first guide plate 512 and the second guide plate 513 to rotate, the first guide plate 512 feeds the mortar into the feeding pipe 51, and the second guide plate 513 feeds the mortar in the opposite direction. In the case of continuous feeding of the mortar in the feeding pipe 60, the mortar in the feeding pipe 51 is mixed axially.

[0039] Further, the quantity ratio of the first deflector 512 to the second deflector 513 is 1, and the first deflector 512 and the second deflector 513 are alternately distributed in sequence along the axial direction. In this way, the first deflector 512 and the second deflector 513 alternately mix the mortar in the axial direction, enabling the mortar in the material conveying pipe 51 to be evenly mixed.

[0040] As Figure 6 shown, further, an overflow cover 54 is provided at the top of the material conveying pipe 51 and the blanking pipe 52. An overflow cavity 540 for communicating the material conveying pipe 51 and the blanking pipe 52 is provided inside the overflow cover 54. When the mortar in the material conveying pipe 51 is filled, it flows from the overflow cavity 540 to the blanking pipe 52.

[0041] In some embodiments, the quantity of the blanking pipe 52 can be set to one or two. In the illustrated example, the quantity of the blanking pipe 52 is two, and the two blanking pipes 52 are distributed on both sides of the material conveying pipe 51. When the material in the material conveying pipe 51 is filled, it will overflow from the top of the material conveying pipe 51 to both sides and flow upward through the overflow cavity 540 to the blanking pipe 52, and then be injected into the mold cavity 301 through the blanking channel 520 in the blanking pipe 52.

[0042] Further, in order to enable the mortar flowing into the blanking pipe 52 to be evenly distributed in the axial direction, a plurality of evenly spaced distribution plates 521 are provided inside the blanking pipe 52 along the length direction. There is a flow channel between every two adjacent distribution plates 521. The mortar flowing in from the overflow cavity 540 is respectively divided by the distribution plates 521 and enters the blanking channel 520 through a plurality of flow channels, enabling the mortar in the blanking pipe 52 to flow evenly along the axial direction to the blanking channel 520.

[0043] Even if the mortar in the mixing tank is proportioned according to the set ratio, there may be certain fluctuations in the quality of the raw materials (such as cement, sand, water, etc.). For example, changes in the activity of cement, the mud content or particle size distribution of sand, etc. may all affect the consistency of the mortar. At the same time, changes in environmental temperature and humidity will also affect the consistency of the mortar. For example, high temperature will cause the water to evaporate faster, making the mortar thicker; while high humidity may cause the water in the mortar to increase, making the mortar thinner. In this case, the mortar injected into the mold cavity 301 will have a certain impact on the forming and quality of the concrete pipe. In order to eliminate the above impacts.

[0044] Further, more than one supplementary material pipe 55 is provided at the top of the overflow cover 54. The supplementary material pipe 55 is communicated with an external auxiliary material feeding device. The supplementary material pipe 55 is distributed at the top of the material conveying pipe 51, and a supplementary material channel 550 is provided between the supplementary material pipe 55 and the material conveying pipe 51, enabling the material in the supplementary material pipe 55 to enter the material conveying channel 510 through the supplementary material channel 550. Among them, the auxiliary materials conveyed in the supplementary material pipe 55 include one or more of water, cement, and additives.

[0045] According to some problems existing in the mortar after actual filling, such as the mortar becoming thinner, a small amount of cement or additive can be added to the feed channel 510 through the feed pipe 55. The added cement or additive is mixed and stirred by the agitator in the feed channel 510, and then poured into the mold cavity 301 through the discharge channel 520. It is observed whether the consistency of the mortar is appropriate, and further adjustments are made until the consistency of the mortar is appropriate. In this way, it can be ensured that the mortar filled into the mold cavity 301 is in a better state, which is beneficial to the molding of the pipe and the quality of the pipe after molding.

[0046] like Figure 2 and Figure 3 As shown, roller shafts 21 are fixedly provided at both ends of the suspension roller 20, and the roller shafts 21 at both ends are rotatably installed on the first frame 11 and the second frame 12 respectively, and a hanger 22 is provided on the roller shaft 21, and the roller shaft 21 is rotatably connected to the hanger 22, and a distributor 50 is fixedly installed at the bottom of the hanger 22.

[0047] In some embodiments, the hanger 22 is made of a strip plate, the upper end of which is used to install the roller 21, and the lower end is used to install the distributor 50. Since the connection between the hanger 22 and the roller 21 is a rotating connection, when the suspension roller 20 rotates along the fixed axis, the distributor 50 below is also in a stable state.

[0048] Furthermore, a scraper 70 is fixedly mounted on the hanger 22. The scraper 70 is located between the suspension roller 20 and the distributor 50, and one end of the scraper 70 is in contact with the outer wall of the suspension roller 20 to scrape off the attachments on the surface of the suspension roller 20. In this way, when the suspension roller 20 rotates, the upper part of the suspension roller 20 contacts the mortar in the upper part of the mold cavity 301 and compacts the mortar. The scraper 70 is located at the lower part of the outer surface of the suspension roller 20 and can scrape off the mortar attached to the outer surface of the suspension roller 20, so that the outer surface of the suspension roller 20 remains smooth, ensuring the smoothness of the inner wall of the pipe and avoiding the occurrence of pits and pits.

[0049] like Figure 6 As shown, the scraper 70 includes a scraping section 71 and a discharging section 72, wherein one end of the scraping section 71 contacts the outer surface of the suspension roller 20, and the other end is connected to the discharging section 72. The discharging section 72 and the scraping section 71 are bent to form a set angle, so that the attachments scraped off the surface of the suspension roller 20 by the scraping section 71 are discharged from the lower end of the discharging section 72.

[0050] In some embodiments, since the scraper section 71 is perpendicular to the horizontal plane, the bending angle between the scraper section 71 and the discharge section 72 is usually greater than 135° to facilitate the discharge of attachments. The other end of the discharge section 72 can be placed on the feeding pipe 55 or the overflow cover 54 so that the discharged attachments can fall into the mold cavity 301.

[0051] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0052] The above describes the implementation manner, and such description is not restrictive. What is shown in the drawings is only one of the implementation manners, and the actual structure is not limited thereto. In short, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the creation, design structures and embodiments similar to the technical solution without creative efforts, they shall fall within the protection scope.

Claims

1. A forming device for processing concrete pipes, characterized in that, Comprising: A frame (10), including a first frame (11) and a second frame (12); A hanging roller (20), arranged between the first frame (11) and the second frame (12); A mold (30), which is a hollow cylinder with a mold cavity (301), and is installed outside the hanging roller (20) parallel to the axis of the hanging roller (20); A first driver (40), fixedly installed on the first frame (11) and used to drive the hanging roller (20) to rotate; Wherein, a feeder (50) is arranged below the hanging roller (20), one shaft end of the feeder (50) is communicated with a mortar mixing tank through a feeding pipe (60), the feeding pipe (60) is used to convey the mortar in the mortar mixing tank into the feeder (50), the feeder (50) includes a feeding pipe (51) and a blanking pipe (52) arranged in parallel beside the feeding pipe (51), the feeding pipe (51) evenly distributes the incoming mortar in the axial direction into the blanking pipe (52), and the mortar is evenly injected into the mold cavity (301) along the axis through the blanking pipe (52).

2. The forming device for processing concrete pipes according to claim 1, characterized in that: The interior of the feeding pipe (51) has a feeding channel (510) for accommodating mortar, the bottom of the blanking pipe (52) is provided with a linear blanking channel (520), the length of the blanking channel (520) is equal to the length of the mold cavity (301), and the distribution direction of the blanking channel (520) is parallel to the axis of the mold (30). After the mortar in the feeding channel (510) is filled in the axial direction, it overflows into the blanking pipe (52), so that the mortar discharged from the blanking channel (520) can be quantitatively and simultaneously injected into the mold cavity (301) along the axis.

3. The forming device for processing concrete pipes according to claim 2, characterized in that: A stirrer is arranged inside the feeding pipe (51), a second driver (53) for driving the stirrer to rotate is fixedly arranged at one shaft end of the feeding pipe (51), the stirrer includes a rotating shaft (511) and a plurality of first guide plates (512) and second guide plates (513) fixed on the rotating shaft (511), the rotating shaft (511) is parallel to the axis of the mold (30), the rotating shaft (511) is fixedly connected to the output shaft of the second driver (53), the first guide plate (512) is configured to feed the mortar in the feeding channel (510) in a first direction, the second guide plate (513) is configured to feed the mortar in the feeding channel (510) in a second direction, wherein the first direction and the second direction are opposite and both are parallel to the axis of the mold (30).

4. The forming device for processing concrete pipes according to claim 3, characterized in that: The quantity ratio of the first guide plate (512) to the second guide plate (513) is 1, and the first guide plate (512) and the second guide plate (513) are alternately distributed in sequence along the axial direction.

5. The forming device for processing concrete pipes according to claim 3, characterized in that: An overflow cover (54) is provided on the top of the feed pipe (51) and the discharge pipe (52); an overflow cavity (540) for connecting the feed pipe (51) and the discharge pipe (52) is provided on the inner side of the overflow cover (54); and the mortar in the feed pipe (51) flows from the overflow cavity (540) to the discharge pipe (52) after being filled.

6. The forming device for processing concrete pipes according to claim 5, characterized in that: One or more feeding pipes (55) are provided on the top of the overflow cover (54), and the feeding pipes (55) are connected to an external auxiliary material supply device. The feeding pipes (55) are distributed on the top of the feed delivery pipe (51), and a feeding channel (550) is provided between the feeding pipe (55) and the feed delivery pipe (51), so that the material in the feeding pipe (55) can enter the feed delivery channel (510) through the feeding channel (550).

7. The forming device for processing concrete pipes according to claim 6, characterized in that: The auxiliary material transported in the feed pipe (55) includes one or more of water, cement and admixture.

8. The forming device for processing concrete pipes according to claim 1, characterized in that: Roller shafts (21) are fixedly provided at both ends of the suspension roller (20), and the roller shafts (21) at both ends are rotatably mounted on the first frame (11) and the second frame (12), respectively; a hanger (22) is provided on the roller shaft (21), and the roller shaft (21) is rotatably connected to the hanger (22); the distributor (50) is fixedly mounted on the bottom of the hanger (22); a scraper (70) is fixedly mounted on the hanger (22); the scraper (70) is located between the suspension roller (20) and the distributor (50), and one end of the scraper (70) is in contact with the outer wall of the suspension roller (20) for scraping off attachments on the surface of the suspension roller (20).

9. The forming device for processing concrete pipes according to claim 8, characterized in that: The scraper (70) comprises a scraping section (71) and a discharge section (72), wherein one end of the scraping section (71) contacts the outer surface of the suspension roller (20), and the other end is connected to the discharge section (72), and the discharge section (72) and the scraping section (71) are bent to form a set angle, so that the attachments scraped off the surface of the suspension roller (20) by the scraping section (71) are discharged from the lower end of the discharge section (72).

10. The forming device for processing concrete pipes according to claim 2, characterized in that: The interior of the discharge pipe (52) is provided with a plurality of evenly spaced material distribution plates (521) along the length direction, so that the mortar in the discharge pipe (52) flows evenly toward the discharge channel (520) along the axial direction.

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