Feeding machine for cement culvert pipe production
By introducing a spiral conveyor and a filter assembly into the feeding machine used in cement culvert production, and utilizing a cam and limit hole structure to control the specifications of sand and gravel, the problem of non-compliant sand and gravel affecting concrete quality was solved, thus improving production efficiency and concrete quality.
Patent Information
- Application Number
- CN202423025978.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In the production of cement culverts, non-standard sand and gravel particles can affect the uniformity and strength of concrete, making it impossible to meet the concrete standards for producing cement culverts of specific specifications.
A feeding machine for cement culvert production was designed, comprising a spiral conveyor pipe and a filter assembly. The filter screen is driven up and down by a cam to shake off non-standard sand and gravel, and the filter screen can be quickly replaced through a limit hole and a threaded rod.
This improved the quality of concrete, ensured that only qualified sand and gravel entered the production line, reduced filter replacement time, and prevented a decrease in processing efficiency.
Smart Images

Figure CN223657282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cement culvert production technical field, concretely is a kind of cement culvert production is used in feeding machine. BACKGROUND
[0002] In the manufacturing process of cement culvert, the feeding link plays a crucial role, which is directly related to the continuity of subsequent production and product quality. Currently, the cement culvert production line generally uses a spiral conveying structure as a concrete feeding device. The spiral conveying structure exhibits high efficiency and reliability in the production process due to its continuous and stable conveying characteristics, and therefore has been widely applied in the field of cement culvert manufacturing.
[0003] However, in actual production process, different specifications of cement culvert have strict requirements on the specifications of sand and stone raw materials. Since the control of sand and stone specifications in the production process of concrete often has a certain flexibility to adapt to raw materials of different sources and batches, it leads to the possibility of mixing some non-standard sand and stone into concrete. These non-standard sand and stone particles not only affect the uniformity and strength of concrete, but also may cause the produced concrete to fail to meet the concrete standards required for producing specific specifications of cement culvert. SUMMARY
[0004] The utility model aims at providing a cement culvert production feeding machine to solve the problem of non-standard stones affecting the quality of concrete for producing cement culvert.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A cement culvert production feeding machine comprises a placing box, a spiral conveying pipe arranged on the placing box, a filtering assembly arranged on the placing box, the filtering assembly comprising a fixed plate arranged on the placing box and a filter screen arranged on the fixed plate, a cam arranged on the placing box, and a replacement assembly arranged on the fixed plate, the replacement assembly comprising a placing groove arranged on the fixed plate and a threaded rod arranged on the fixed plate, and the replacement assembly is used for replacing the filter screen.
[0007] Preferably, the filtering assembly further comprises a hanging ear arranged on one side of the fixed plate on the placing box, a rotating rod arranged on the hanging ear, and the rotating rod penetrates through the hanging ear, the rotating rod is arranged on both sides of the fixed plate, and one end of the placing box is provided with a sorting box.
[0008] Preferably, the bottom of the fixed plate is provided with a fixed rod, one side of the fixed rod is provided with a motor, the output end of the motor is provided with a main shaft, the main shaft penetrates through the fixed rod, and the middle part of the main shaft is provided with a cam.
[0009] The bottom of the fixing rod is provided with a sliding rod, and one end of the sliding rod is arranged on the placing box.
[0010] The upper end of the placing box is provided with a fixing block, the middle part of the fixing block is provided with a connecting shaft, and the connecting shaft penetrates through the fixing block.
[0011] The connecting shaft is provided with a roller corresponding to the cam, and the roller is in contact with the cam.
[0012] The replacement assembly further comprises limiting holes arranged on both sides of the filter screen, and the filter screen is movably arranged on the placing groove.
[0013] The fixing plate is provided with a threaded rod corresponding to the limiting hole, the threaded rod penetrates through the fixing plate, one end of the threaded rod is provided with a rotating piece, and the threaded rod is movably arranged in the limiting hole.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] Through the rotation of the cam, the fixed plate is driven to move up and down, so that the filter screen can shake off the larger size gravel into the sorting box when filtering the concrete, the staff can conveniently concentrate on the treatment of the gravel not meeting the specifications, and thus the quality of the filtered concrete is better.
[0016] Through the cooperation of the limiting hole and the threaded rod, the filter screen can be quickly replaced, so that when the filter screen is damaged, the time required by the staff for replacing the filter screen is reduced, and the processing efficiency is not reduced due to the damage of the filter screen. DRAWINGS
[0017] Figure 1 It is a front view of the utility model;
[0018] Figure 2 It is a top view of the utility model;
[0019] Figure 3 It is a three-dimensional structure schematic diagram of the replacement assembly of the utility model;
[0020] Figure 4 It is a three-dimensional structure schematic diagram of the filter screen of the utility model.
[0021] In the drawing: 1, placing box; 2, rotating rod; 3, fixed plate; 4, filter screen; 5, motor; 6, main shaft; 7, fixing rod; 8, sliding rod; 9, spiral conveying pipe; 10, cam; 11, roller; 12, connecting shaft; 13, rotating piece; 14, threaded rod; 15, placing groove; 16, limiting hole; 17, fixing block; 18, hanging ear; 19, sorting box. DETAILED DESCRIPTION
[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0023] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.
[0024] As shown in Figures 1-4 , the present application provides a feeding machine for cement pipe production, comprising: a placing box 1, a spiral conveying pipe 9 is arranged on the placing box 1, a filter assembly is arranged on the placing box 1, the filter assembly comprises a fixed plate 3 arranged on the placing box 1, a filter screen 4 is arranged on the fixed plate 3, a cam 10 is arranged on the placing box 1, and the filter assembly is used for filtering concrete gravel.
[0025] Specifically, as shown in Figure 1 , the filter assembly further comprises a hanging ear 18 arranged on one side of the fixed plate 3 on the placing box 1, a rotating rod 2 is arranged on the hanging ear 18, and the rotating rod 2 penetrates through the hanging ear 18, the rotating rod 2 is arranged on both sides of the fixed plate 3, and a sorting box 19 is arranged at one end of the placing box 1. Through the sorting box 19 arranged, the collected larger gravel can be concentrated together, which is convenient for the workers to handle.
[0026] Specifically, as shown in Figure 1 , the bottom of the fixed plate 3 is provided with a fixed rod 7, one side of the fixed rod 7 is provided with a motor 5, the output end of the motor 5 is provided with a main shaft 6, and the main shaft 6 penetrates through the fixed rod 7, the middle part of the main shaft 6 is provided with a cam 10, and the rotation of the motor 5 can drive the rotation of the cam 10, so as to drive the up and down movement of the filter screen 4, and realize the collection of the gravel after filtering which does not meet the specifications.
[0027] Specifically, as shown in Figure 1 , the bottom of the fixed rod 7 is provided with a sliding rod 8, one end of the sliding rod 8 is arranged on the placing box 1, and the sliding rod 8 can limit the movement direction of the fixed rod 7, so that the fixed rod 7 can stably ascend and descend.
[0028] Specifically, as shown in Figure 1 , the upper end of the placing box 1 is provided with a fixed block 17, the middle part of the fixed block 17 is provided with a connecting shaft 12, and the connecting shaft 12 penetrates through the fixed block 17. The connecting shaft 12 can support the roller 11, and increase the rotation flexibility of the roller 11.
[0029] Specifically, as shown in Figure 1 The connecting shaft 12 is provided with a roller 11 corresponding to the cam 10, the roller 11 is in contact with the cam 10, the roller 11 is in sliding connection with the cam 10, and the cam 10 can be supported to make the cam 10 rotate more smoothly.
[0030] The fixed plate 3 is provided with a replacement assembly, the replacement assembly comprises a placing groove 15 provided on the fixed plate 3, and the fixed plate 3 is provided with a threaded rod 14, and the replacement assembly is used for replacing the filter screen 4.
[0031] Specifically, as shown in Figure 3 The replacement assembly further comprises limiting holes 16 provided on both sides of the filter screen 4, and the filter screen 4 is movably arranged on the placing groove 15, and the placing groove 15 can realize pre-positioning of the filter screen 4 and facilitate subsequent fixing.
[0032] Specifically, as shown in Figure 3 The fixed plate 3 is provided with a threaded rod 14 corresponding to the limiting hole 16, the threaded rod 14 penetrates the fixed plate 3, one end of the threaded rod 14 is provided with a rotating part 13, the threaded rod 14 is movably arranged in the limiting hole 16, and the threaded rod 14 is screwed into the limiting hole 16, so that the filter screen 4 can be quickly fixed, and the filter screen 4 can be quickly disassembled and installed by the worker.
[0033] In the embodiment, through the rotation of the cam 10, the fixed plate 3 can be driven to move up and down, so as to drive the filter screen 4 to move up and down, so that the filtered sand and stone can be shaken into the sorting box 19 when the filter screen 4 is used to filter the concrete, and the worker can conveniently concentrate on processing. Through the cooperation of the limiting hole 16 and the threaded rod 14, the filter screen 4 can be disassembled and installed, the filter screen 4 can be quickly replaced, and the processing efficiency can be prevented from being reduced due to the breakage of the filter screen 4.
[0034] The specific scheme is: when the concrete for producing cement culvert is needed to be filtered, the motor 5 is started, so that the main shaft 6 drives the cam 10 to rotate, the up-down movement of the fixed rod 7 is realized, the cam 10 rotates on the roller 11, so that the roller 11 supports the cam 10 when the cam 10 rotates, the cam 10 rotates more flexibly, after the sand and stones are filtered by the filter screen 4, because the filter screen 4 has a certain inclination angle, the sand and stones not meeting the specifications can be shaken off into the sorting box 19 while the filter screen 4 moves up and down, the sand and stones can avoid plugging the holes on the filter screen 4, the filtered concrete can be conveyed to the mold for producing cement culvert through the spiral conveying pipe 9, the feeding is realized, the filter screen 4 is placed on the placing groove 15, the pre-positioning of the filter screen 4 is realized, the worker twists the rotating part 13 to drive the threaded rod 14 to move, the filter screen 4 is quickly disassembled and installed by the worker twisting the rotating part 13.
[0035] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as above, which are not provided in details for the sake of simplicity.
[0036] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.
Claims
1. A feeding machine for cement pipe production, comprising: The utility model provides a placing box (1) is provided with spiral conveying pipe (9) on it, characterized by, The utility model provides a filter assembly is arranged on the placing box (1), the filter assembly includes the fixed plate (3) arranged on the placing box (1), the fixed plate (3) is provided with filter screen (4), the placing box (1) is provided with cam (10), and the filter assembly is used for the filtration of concrete sand and stone, The utility model provides a replacement assembly is arranged on the fixed plate (3), the replacement assembly includes the placing groove (15) arranged on the fixed plate (3), the fixed plate (3) is provided with threaded rod (14), and the replacement assembly is used for the replacement of filter screen (4).
2. The feeding machine for producing cement culvert according to claim 1, characterized in that, The filter assembly further includes that the fixed plate (3) is provided with the lug (18) on one side of the fixed plate (3) on the placing box (1), the lug (18) is provided with the rotary rod (2), and the rotary rod (2) penetrates the lug (18), the rotary rod (2) is arranged on both sides of the fixed plate (3), and one end of the placing box (1) is provided with the sorting box (19).
3. The feeding machine for producing cement culvert according to claim 1, characterized in that, The bottom of the fixed plate (3) is provided with the fixed rod (7), one side of the fixed rod (7) is provided with the motor (5), the output end of the motor (5) is provided with the main shaft (6), the main shaft (6) penetrates the fixed rod (7), and the middle part of the main shaft (6) is provided with the cam (10).
4. The feeding machine for producing cement culvert according to claim 3, characterized in that, The bottom of the fixed rod (7) is provided with the sliding rod (8), and one end of the sliding rod (8) is arranged on the placing box (1).
5. The feeding machine for producing cement culvert according to claim 4, characterized in that, The upper end of the placing box (1) is provided with the fixed block (17), and the middle part of the fixed block (17) is provided with the connecting shaft (12), and the connecting shaft (12) penetrates the fixed block (17).
6. The feeding machine for producing cement culvert according to claim 5, characterized in that, The connecting shaft (12) is provided with the roller (11) corresponding to the cam (10), and the roller (11) is in contact with the cam (10).
7. The feeding machine for producing cement culvert according to claim 1, characterized in that, The replacement assembly further includes the limiting hole (16) arranged on both sides of the filter screen (4), and the filter screen (4) is movably arranged on the placing groove (15).
8. The feeding machine for producing cement culvert according to claim 7, characterized in that, The fixed plate (3) is provided with the threaded rod (14) corresponding to the limiting hole (16), and the threaded rod (14) penetrates the fixed plate (3), one end of the threaded rod (14) is provided with the rotating part (13), and the threaded rod (14) is movably arranged in the limiting hole (16).