Embedded spatially oriented fiber concrete preparation device and preparation method thereof
Through the embedded spatially oriented fiber concrete preparation device, the slide rail mechanism and the magnet delivery block are used to achieve precise positioning and delivery of fibers, which solves the problem of unsatisfactory fiber orientation effect in the existing technology and improves the preparation efficiency and mechanical properties of fiber concrete.
Patent Information
- Application Number
- CN202310938214.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-28
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2043-07-28
AI Technical Summary
The electromagnetic orienting equipment in the existing technology is complicated to operate, the steel fiber orientation effect is not ideal, it cannot achieve fixed-point delivery, and it cannot orient other types of fibers, resulting in the inability to improve the mechanical properties of specific parts of fiber concrete components.
An embedded spatially oriented fiber concrete preparation device is used, and the fiber delivery mechanism is precisely positioned through two-dimensional and three-dimensional mobile slide mechanisms. The magnetic delivery block and return spring are combined to achieve precise fiber delivery. X-ray scanning imaging technology is used to verify the three-dimensional directional distribution, and the concrete mold fixture is set to adapt to different shapes and sizes.
It achieves precise and directional placement of fibers in concrete, improves work efficiency and mechanical properties, expands the scope of application, and ensures the integrity of fiber insertion and the uniformity of concrete layer laying.
Smart Images

Figure CN116945327B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of concrete preparation, and in particular to an embedded spatially oriented fiber concrete preparation device and a preparation method thereof. Background Art
[0002] Fiber concrete is a general term for composite materials composed of fibers and a cement matrix. Cement-based composite materials composed of cement paste, mortar, or concrete as the base material and fibers as the reinforcing material are called fiber concrete. The high tensile strength and elongation of fibers improve the tensile, flexural, and impact strengths, elongation, and toughness of concrete. The primary function of fibers in fiber concrete is to limit the propagation of cracks in the cement matrix under external forces. Compared to conventional concrete, fiber concrete exhibits higher ultimate tensile and flexural strengths, with a particularly significant improvement in toughness.
[0003] In the prior art, electromagnetic orienting equipment is usually used to prepare oriented steel fiber concrete, and steel fibers are randomly placed to prepare fiber concrete. However, on the one hand, the electromagnetic orienting equipment is complicated to operate and the orienting effect of the steel fibers in the concrete is not ideal. It cannot be placed into the concrete at a fixed point and the amount of steel fibers used is relatively large. On the other hand, the random placement process cannot achieve the purpose of obtaining excellent mechanical properties in specific parts of the concrete component. There is also the problem that the electromagnetic orienting equipment can only achieve the orientation of steel fibers, and cannot achieve the orientation of other types of fibers. Therefore, an embedded spatial oriented fiber concrete preparation device is developed to achieve the preparation of various oriented fiber concretes. Summary of the Invention
[0004] The present invention overcomes the deficiencies of the prior art and provides an embedded spatially oriented fiber concrete preparation device and a preparation method thereof.
[0005] In order to achieve the above object, the technical solution adopted by the present invention is:
[0006] An embedded spatially oriented fiber concrete preparation device, comprising:
[0007] The base is located at the bottom of the entire device;
[0008] A first two-dimensional movable slide rail mechanism is horizontally arranged on the base;
[0009] A concrete mold installation platform is provided on the first two-dimensional movable slide rail mechanism, and the concrete mold installation platform can be moved at a fixed point on a horizontal plane through the first two-dimensional movable slide rail mechanism;
[0010] A second two-dimensional movable slide rail mechanism is vertically arranged on the base and close to one end of the base;
[0011] A fiber delivery mechanism is provided on the second two-dimensional movable slide mechanism, and the fiber delivery mechanism can be moved at a fixed point on a vertical plane through the second two-dimensional movable slide mechanism, comprising:
[0012] a manipulator, the manipulator being hollow inside and capable of storing a certain amount of fibers, and being connected to the second two-dimensional movable slide mechanism;
[0013] A fiber delivery channel, one end of which is fixedly connected to the manipulator and the other end of which is connected to the fiber injection mechanism;
[0014] The fiber injection mechanism includes: a fixed cylinder threadedly connected to the fiber delivery channel, a plurality of magnet delivery blocks arranged inside the fixed cylinder, and a delivery needle clamped at the center of the plurality of magnet delivery blocks; the inner wall of the fixed cylinder is provided with a linear push unit and the magnet delivery blocks, and a delivery rail slidably connected to the magnet delivery blocks;
[0015] The linear pushing unit includes: a static iron core arranged on one side of the inner wall of the fixed cylinder, and a return spring for connecting the static iron core and the magnet delivery block; the magnet delivery block is a strong magnet;
[0016] The fiber injection mechanism is provided with an interlayer, the interlayer is surrounded by a conductive coil, and the conductive coil is electrically connected to an external power supply mechanism for providing driving force for the linear propulsion unit;
[0017] A fiber calibration cylinder is fixedly provided at one end of the fiber delivery channel, a telescopic needle cylinder is coaxially slidably connected to the fiber calibration cylinder, and a pulling spring is provided between the outer wall of the telescopic needle cylinder and the inner wall of the fiber calibration cylinder;
[0018] A first vertical slide rail mechanism is vertically fixed on the base and is arranged near the other end of the base. A crossbeam is connected to the first vertical slide rail mechanism, and a concrete feeding funnel is installed on the crossbeam;
[0019] A control unit is drivingly connected to the first two-dimensional movable slide rail mechanism, the second two-dimensional movable slide rail mechanism, the first vertical slide rail mechanism and the fiber injection mechanism.
[0020] In a preferred embodiment of the above device of the present invention, the first two-dimensional movable slide rail mechanism includes:
[0021] A first transverse slide rail mechanism is installed on the base and arranged along the X direction;
[0022] The second transverse slide rail mechanism is installed on the first transverse slide rail mechanism and arranged along the Y direction.
[0023] In a preferred embodiment of the above device of the present invention, the second two-dimensional movable slide rail mechanism includes:
[0024] The second vertical slide rail mechanism is vertically fixed on the base, and the second vertical slide rail mechanism is connected to the third horizontal slide rail mechanism. The manipulator is installed on the third horizontal slide rail mechanism. The manipulator can move at a fixed point on a vertical plane through the second vertical slide rail mechanism and the third horizontal slide rail mechanism.
[0025] In a preferred embodiment of the above device of the present invention, the first vertical slide rail mechanism, the second vertical slide rail mechanism, the first transverse slide rail mechanism, the second transverse slide rail mechanism and the third transverse slide rail mechanism are all ball screw mechanisms.
[0026] In a preferred embodiment of the above device of the present invention, a plurality of fixing clamps are provided on the concrete mold installation platform, and the plurality of fixing clamps can clamp and fix the concrete mold in multiple directions.
[0027] In a preferred embodiment of the above device of the present invention, a feeding switch is provided on the concrete feeding hopper.
[0028] The present invention further discloses a preparation method based on the embedded spatially oriented fiber concrete preparation device, comprising the following steps:
[0029] S1. Input the fiber spatial position design file to the calculation and monitoring device to calculate the fiber spatial position coordinates, convert the fiber spatial position into spatial coordinate information, and transmit it to the control unit via Bluetooth serial port communication;
[0030] S2. The control unit receives the spatial coordinate information and drives the second two-dimensional movable slide mechanism to complete the spatial positioning of the fiber delivery mechanism;
[0031] S3. Current is supplied to the power supply mechanism, so that the static iron core becomes an electromagnet with the same magnetic pole as the magnet delivery block, pushing the magnet delivery block to drive the delivery syringe to receive the fiber, and gradually reducing the magnetism of the electromagnet to make the fiber move toward the fiber feeding device. After the current is disconnected, the fiber is delivered into the fiber feeding device under the action of the gravity of the magnet delivery block itself; after the fiber leaves the telescopic syringe, current is supplied again, so that the magnet delivery block drives the delivery syringe to receive the fiber again;
[0032] S4. Optimizing the particle size of the coarse aggregate in the concrete to be laid, driving the concrete mold mounting platform to move at a fixed point on a horizontal plane via the first two-dimensional movable slide rail mechanism, and pouring concrete into the concrete mold via the feeding funnel;
[0033] S5. Use X-ray scanning imaging technology to verify the three-dimensional directional distribution effect of the fiber and obtain a small-scale fiber concrete specimen with three-dimensional directional distribution.
[0034] As a preferred embodiment of the above-mentioned preparation method of the present invention, step S3, the diameter and length of the fiber are detected by the detection unit to obtain diameter data and length data, and the diameter data and length data are sent to the control unit for controlling the pushing distance of the fiber injection mechanism. Beneficial effects
[0035] The present invention solves the defects existing in the background technology and has the following beneficial effects:
[0036] First, the present invention uses a fiber delivery unit and a concrete layer laying unit to precisely locate the delivery position, and controls a robot to deliver the fiber. The fiber injection mechanism protects the fiber concrete to prevent the fiber from being dislocated or deformed during the insertion process, thereby ensuring the integrity and accuracy of the fiber insertion. The mobile concrete mold mounting platform moves between the concrete feeding funnel and the fiber delivery unit, ensuring that the preparation work can be completed in a short time, thereby improving work efficiency.
[0037] Second, the present invention is provided with a fiber delivery unit, which calculates the spatial position of the fiber into spatial coordinate information through a solution monitoring device and transmits it to the embedded device control unit. The control unit receives the spatial coordinate information and drives the second two-dimensional mobile slide mechanism to complete the spatial positioning of the fiber delivery mechanism; it solves the problem that the electromagnetic orientation equipment in the prior art is complicated to operate and the orientation effect of the steel fiber in the concrete is not ideal, ensures the accuracy of fixed-point delivery, and is simple and convenient to use, ensuring the practicality of the device; the present invention also provides an adjustment unit in the device control unit, which corrects the final position through the position information feedback sensor and positions the manipulator, further improving the accuracy of delivery.
[0038] Third, the present invention controls the mobile manipulator to the delivery position, drives the delivery syringe by driving the magnet delivery block, and simultaneously pushes the fiber in the fiber delivery channel. When the delivery syringe is inserted into the concrete, it is withdrawn so that the fiber is placed in the original position, solving the problem that the random delivery process in the existing technology cannot achieve excellent mechanical properties in specific parts of the concrete component, ensuring that the fiber will not be deformed during the insertion of the concrete, and ensuring the delivery effect.
[0039] Fourth. In the present invention, a reset spring is provided on one side of the magnet delivery block. After the delivery is completed, the magnet delivery block automatically returns to the initial position under the action of the reset spring, and the diameter and length of the fiber are detected by the detection unit. The pushing distance of the fiber injection mechanism is controlled by the control unit. Fibers of different lengths and diameters can be used for delivery, which solves the problem in the prior art that other types of fibers cannot be oriented, and expands the application scope of the present invention.
[0040] Fifth. The present invention is provided with a concrete layer paving unit, which controls the guide rail parts to move the concrete mold installation platform in multiple directions, and controls the opening and closing of the delivery switch through the delivery control motor to make the funnel output concrete for layer paving. A speed control motor is also provided to control the movement speed of the concrete mold installation platform, thereby ensuring the uniformity of the concrete layer paving and improving the mechanical properties of the concrete components.
[0041] Sixth, the present invention is provided with a plurality of fixing fixtures on the concrete mold mounting platform to clamp the concrete member in multiple directions, which can adapt to concrete members of different shapes and sizes, making the scope of use of the present invention wider.
[0042] Seventh, the present invention sets a movable slide mechanism between the fiber delivery unit and the concrete layer laying unit, which can conveniently control the concrete mold installation platform to move back and forth quickly between the two areas, thereby improving the delivery and layer laying speed and ensuring the preparation efficiency of fiber concrete. BRIEF DESCRIPTION OF THE DRAWINGS
[0043] Figure 1 is a flow chart of a preferred embodiment of the present invention;
[0044] Figure 2 is a vertical cross-sectional perspective structural diagram of a fiber injection mechanism according to a preferred embodiment of the present invention;
[0045] Figure 3 This is a perspective structural diagram of the entire linear propulsion unit according to a preferred embodiment of the present invention;
[0046] Figure 4 is a detailed sectional three-dimensional structural diagram of a linear propulsion unit according to a preferred embodiment of the present invention;
[0047] Figure 5 is a cross-sectional perspective structural diagram of a fiber feeding device according to a preferred embodiment of the present invention;
[0048] Figure 6 is a horizontal cross-sectional perspective structural diagram of a fiber injection mechanism according to a preferred embodiment of the present invention;
[0049] Figure 7 This is an overall three-dimensional structural diagram of a concrete layer laying unit according to a preferred embodiment of the present invention;
[0050] Figure 8 This is an overall three-dimensional structural diagram of a concrete mold installation platform of a concrete layer laying unit according to a preferred embodiment of the present invention;
[0051] Figure 9 is a top view of the layout position of the motor of a preferred embodiment of the present invention;
[0052] In the figure: 1. Fiber delivery unit; 11. Fiber injection mechanism; 12. Fiber delivery channel; 121. Fiber feeding device; 122. Fiber calibration cylinder; 123. Telescopic needle cylinder; 124. Pull spring; 13. Fixed cylinder; 14. Magnet delivery block; 141. Delivery rail; 15. Delivery needle cylinder; 16. Linear push unit; 161. Static iron core; 162. Return spring; 17. Interlayer; 171. Conductor coil; 2. Concrete layer laying unit; 21. Concrete mold installation platform; 22. Guide rail member; (221, 222) second horizontal slide rail mechanism; 23. Funnel; 24. Beam; 3. First horizontal slide rail mechanism; 4. First vertical slide rail mechanism; 5. Manipulator; (6, 61, 62) motor; 7. Fixing fixture; 71. Telescopic rod group; 711. Inner rod; 712. Outer rod; 713. Clamping spring; 714. Through slot. DETAILED DESCRIPTION
[0053] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0054] Figure 1 This is a flow chart of an embedded spatially oriented fiber concrete preparation device in the present invention, which includes:
[0055] The base is located at the bottom of the entire device;
[0056] The first two-dimensional movable slide mechanism is horizontally arranged on the base;
[0057] The concrete mold installation platform 21 is arranged on the first two-dimensional movable slide rail mechanism, and the concrete mold installation platform 21 can be moved at a fixed point on the horizontal plane through the first two-dimensional movable slide rail mechanism;
[0058] The second two-dimensional movable slide rail mechanism is vertically arranged on the base and is arranged near one end of the base;
[0059] The fiber delivery mechanism is provided on the second two-dimensional movable slide mechanism, and the fiber delivery mechanism can be moved at a fixed point on a vertical plane through the second two-dimensional movable slide mechanism, including:
[0060] Manipulator 5, which is hollow inside and can store a certain amount of fiber, and is connected to the second two-dimensional movable slide mechanism;
[0061] The fiber delivery channel 12 has one end fixedly connected to the manipulator 5 and the other end connected to the fiber injection mechanism 11 .
[0062] Figure 2This is a vertical cross-sectional perspective structural diagram of a fiber injection mechanism 11 according to a preferred embodiment of the present invention. The fiber injection mechanism 11 comprises: a fixed barrel 13 threadedly connected to a fiber delivery channel; a plurality of magnet delivery blocks 14 disposed within the fixed barrel 13; and a delivery syringe 15 clamped to the magnet delivery blocks 14. The inner wall of the fixed barrel 13 is provided with a linear push unit and magnet delivery blocks 14, as well as a delivery rail 141 slidably connected to the magnet delivery blocks 14.
[0063] The reason for adopting several magnet delivery blocks is that the sizes of the magnet delivery blocks are different. By changing the size of the magnet delivery block, the fixed cylinder 13 is threadedly connected to the fiber delivery channel 12. When the fixed cylinder 13 is separated from the fiber delivery channel 12, the size of the magnet delivery block 14 can be replaced, and delivery syringes of different diameters can be clamped. Delivery syringes of different diameters can realize the delivery of fibers of different diameters.
[0064] Figure 3 FIG1 is a perspective cross-sectional view of the overall structure of the linear propulsion unit 16 of a preferred embodiment of the present invention. The linear propulsion unit 16 includes: a static iron core 161 disposed on one side of the inner wall of the fixed cylinder 13; and a return spring 162 for connecting the static iron core 161 and the magnet delivery block 14. The static iron core 161 is made of either silicon steel or soft iron.
[0065] The fiber injection mechanism 11 is provided with an interlayer 17, and a conductive coil 171 is provided inside the interlayer 17. The conductive coil 171 is electrically connected to an external power supply mechanism for providing driving force for the linear propulsion unit 16.
[0066] Figure 4 It is a detailed sectional three-dimensional structural diagram of the linear propulsion unit 16 of the preferred embodiment of the present invention; it should be noted that the ratio of the number of turns of the conductive coil 171 arranged on the side of the fiber injection mechanism 11 close to the fiber delivery channel 12 to the number of turns of the conductive coil 171 arranged on the other side is 5-6:1; it is used to ensure the magnetism of the electromagnet formed by the static iron core 161.
[0067] Figure 5 This is a cross-sectional perspective structural diagram of a fiber delivery channel 12 according to a preferred embodiment of the present invention. A fiber calibration cylinder 122 is fixedly provided at one end of the fiber delivery channel 12. A telescopic needle cylinder 123 is coaxially slidably connected to the fiber calibration cylinder. A tension spring 124 is provided between the outer wall of the telescopic needle cylinder 123 and the inner wall of the fiber calibration cylinder.
[0068] The first vertical slide rail mechanism 4 is vertically fixed on the base and is arranged near the other end of the base. The first vertical slide rail mechanism 4 is connected to a crossbeam 24, and a concrete feeding funnel 23 is installed on the crossbeam 24;
[0069] The control unit is drivingly connected to the first two-dimensional movable slide rail mechanism, the second two-dimensional movable slide rail mechanism, the first vertical slide rail mechanism 4 and the linear pushing unit.
[0070] The present invention uses the fiber delivery unit 1 and the concrete layer laying unit 2 to control the robot 5 to deliver the fiber after accurately positioning the delivery position, and uses the fiber injection mechanism 11 to protect the fiber concrete to prevent the fiber from being dislocated or deformed during the insertion process, thereby ensuring the integrity and accuracy of the fiber insertion. Then, the mobile concrete mold installation platform 21 moves between the concrete feeding funnel 23 and the fiber delivery unit 1, ensuring that the preparation work can be completed in a short time, thereby improving work efficiency.
[0071] Figure 6 It is a horizontal cross-sectional stereoscopic structural diagram of the fiber injection mechanism 11 of the preferred embodiment of the present invention; in the present invention, a return spring 16 is provided on one side of the magnet delivery block 14, and after the delivery is completed, the magnet delivery block 14 automatically returns to the initial position under the action of the return spring 16, and the diameter and length of the fiber are detected by the detection unit, and the pushing distance of the linear pushing unit is controlled by the control unit. Fibers of different lengths and diameters can be used for delivery, which solves the problem in the prior art that other types of fibers cannot be oriented, and expands the application scope of the present invention.
[0072] The first two-dimensional movable slide rail mechanism includes: a first transverse slide rail mechanism 3 installed on the base and arranged along the X direction; a second transverse slide rail mechanism installed on the first transverse slide rail mechanism 3 and arranged along the Y direction.
[0073] The second two-dimensional movable slide rail mechanism includes: a second vertical slide rail mechanism, which is vertically fixed on the base, the second vertical slide rail mechanism is connected to the third horizontal slide rail mechanism, and the third horizontal slide rail mechanism is installed with a manipulator 5. The manipulator 5 can move at a fixed point on a vertical plane through the second vertical slide rail mechanism and the third horizontal slide rail mechanism.
[0074] Figure 7 It is an overall three-dimensional structural diagram of the concrete layer laying unit 22 of the preferred embodiment of the present invention; it should be noted that the first vertical slide rail mechanism 4, the second vertical slide rail mechanism, the first transverse slide rail mechanism 3, the second transverse slide rail mechanism and the third transverse slide rail mechanism are all ball screw mechanisms, which can conveniently control the concrete mold mounting platform 21 to move back and forth quickly between the two areas, thereby improving the delivery and layer laying speed and ensuring the preparation efficiency of fiber concrete.
[0075] Figure 8This is a three-dimensional diagram of the overall structure of the concrete mold mounting platform 21 of the concrete layer laying unit 2 according to a preferred embodiment of the present invention. Several fixing clamps 7 are provided on the concrete mold mounting platform 21. These clamps 7 can clamp the concrete mold in multiple directions, accommodating concrete pieces of various shapes and sizes, thus expanding the scope of application of the present invention. It should be noted that the concrete feeding hopper 23 is equipped with a feeding switch.
[0076] Figure 9 It is a top view of the layout position of the motor of the preferred embodiment of the present invention; the present invention controls the guide rail part 22 to move the concrete mold installation platform 21 in multiple directions, controls the opening and closing of the delivery switch to enable the funnel 23 to output concrete for layer laying, and also provides a speed control motor to control the movement speed of the concrete mold installation platform 21, thereby ensuring the uniformity of the concrete layer laying and improving the mechanical properties of the concrete component.
[0077] The present invention also provides a method for preparing an embedded spatially oriented fiber concrete preparation device, which is characterized by comprising the following steps:
[0078] S1. Input the fiber spatial position design file to the calculation and monitoring device to calculate the fiber spatial position coordinates, convert the fiber spatial position into spatial coordinate information, and transmit it to the control unit via Bluetooth serial port communication;
[0079] S2, the control unit receives the spatial coordinate information and drives the second two-dimensional movable slide mechanism to complete the spatial positioning of the fiber delivery mechanism;
[0080] S3. Current is supplied to the power supply mechanism, causing the static iron core 161 to become an electromagnet with the same magnetic pole as the magnet delivery block 14, pushing the magnet delivery block 14 to drive the delivery syringe 15 to receive the fiber, and gradually reducing the magnetism of the electromagnet to cause the fiber to move toward the fiber delivery device 121. After the current is disconnected, the magnet delivery block 14 delivers the fiber into the fiber delivery device 121 under the action of its own gravity; after the fiber leaves the telescopic syringe 123, current is supplied again, causing the magnet delivery block 14 to drive the delivery syringe 15 to receive the fiber again;
[0081] S4. Optimize the particle size of the coarse aggregate in the concrete to be laid, drive the concrete mold mounting platform 21 to move at a fixed point on the horizontal plane through the first two-dimensional movable slide mechanism, and pour concrete into the concrete mold through the feeding funnel 23;
[0082] S5. Use X-ray scanning imaging technology to verify the three-dimensional directional distribution effect of the fiber and obtain a small-scale fiber concrete specimen with three-dimensional directional distribution.
[0083] It should be noted that the specific steps of fiber delivery are as follows: the control unit controls the linear propulsion unit 16 to propel the fiber in the fiber delivery channel 12, and current is supplied through an external power supply mechanism to impart a charge to the static iron core 161, forming an electromagnet with the same magnetic pole as the magnet delivery block 14. The electromagnet generates a thrust due to the repulsion of the same polarity, so that the magnet delivery block 14 drives the delivery syringe 15 to approach the fiber delivery channel 12 to receive the fiber;
[0084] Then, the current is gradually reduced to reduce the magnetism of the electromagnet, which can shorten the distance between the static iron core 161 and the magnet delivery block 14, so that the fiber gradually approaches the fiber delivery device 121. After the current is disconnected, the electromagnet loses its magnetism, and the magnet delivery block 14 delivers the fiber into the fiber delivery device 121 under the action of its own gravity. After the fiber leaves the telescopic needle 123, the current is applied again, so that the magnet delivery block 14 drives the delivery needle 15 to receive the fiber again.
[0085] The spatial position of the fiber is calculated into spatial coordinate information by the calculation monitoring device and then transmitted to the embedded device control unit. The control unit receives the spatial coordinate information and drives the second two-dimensional movable slide mechanism to complete the spatial positioning of the fiber delivery mechanism; it solves the problem in the prior art that the electromagnetic orientation equipment is complicated to operate and the orientation effect on the steel fiber in the concrete is not ideal, ensures the accuracy of fixed-point delivery, and is simple and convenient to use, thereby ensuring the practicality of the device; the present invention also provides an adjustment unit in the device control unit, corrects the final position through the position information feedback sensor, and positions the manipulator 5, further improving the accuracy of delivery.
[0086] In step S3 of the present invention, the diameter and length of the fiber are detected by the detection unit to obtain diameter data and length data, which are then sent to the control unit for controlling the pushing distance of the linear pushing unit.
[0087] The spatial position of the fiber is calculated into spatial coordinate information by the calculation monitoring device and then transmitted to the embedded device control unit. The control unit receives the spatial coordinate information and drives the second two-dimensional movable slide mechanism to complete the spatial positioning of the fiber delivery mechanism; it solves the problem in the prior art that the electromagnetic orientation equipment is complicated to operate and the orientation effect on the steel fiber in the concrete is not ideal, ensures the accuracy of fixed-point delivery, and is simple and convenient to use, thereby ensuring the practicality of the device; the present invention also provides an adjustment unit in the device control unit, corrects the final position through the position information feedback sensor, and positions the manipulator 5, further improving the accuracy of delivery.
[0088] When the present invention is used, the fiber spatial position design file is first input into the solution monitoring device to solve the fiber spatial position coordinates, and the fiber spatial position is converted into spatial coordinate information, which is transmitted to the embedded device control unit via Bluetooth serial communication; the spatial coordinate information is then received by the control unit in the device control unit, converted into the angle position data of the manipulator 5 slide rail motor and the angle control information data of the manipulator 5 joint motor, and a plurality of positioning motors are driven to complete the spatial positioning of the manipulator 5;
[0089] Then, the final position of the manipulator 5 is corrected by the position information feedback sensor provided in the adjustment unit in the device control unit. The fiber is detected by the detection unit, and the linear propulsion unit is controlled to push the fiber in the fiber delivery channel 12, and the fiber is delivered to the inside of the fiber feeding device 121. The pulling spring 124 controls the telescopic needle 123 to perform telescopic movement inside the manipulator 5. The telescopic needle 123 retracts so that the fiber remains in the concrete, completing the fiber delivery.
[0090] Finally, the particle size of the coarse aggregate in the concrete was optimized and calculated. Several motors were used to control the multi-directional movement of the concrete mold mounting platform 21 on the guide rail 22, and the pouring of concrete in the funnel 23 was controlled by the release switch. Finally, X-ray scanning imaging technology was used to verify the three-dimensional directional distribution effect of the fiber, and a small-scale fiber concrete specimen with three-dimensional directional distribution was obtained.
[0091] The above description is based on the ideal embodiment of the present invention. Based on the above description, relevant personnel can make various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the content of the specification and must be determined according to the scope of the claims.
Claims
1. An embedded spatially oriented fiber concrete preparation device, characterized in that: include: The base is located at the bottom of the entire device; A first two-dimensional movable slide rail mechanism is horizontally arranged on the base; A concrete mold installation platform is provided on the first two-dimensional movable slide rail mechanism, and the concrete mold installation platform can be moved at a fixed point on a horizontal plane through the first two-dimensional movable slide rail mechanism; A second two-dimensional movable slide rail mechanism is vertically arranged on the base and close to one end of the base; A fiber delivery mechanism is provided on the second two-dimensional movable slide mechanism, and the fiber delivery mechanism can be moved at a fixed point on a vertical plane through the second two-dimensional movable slide mechanism, comprising: a manipulator having an internal cavity for storing fibers and connected to the second two-dimensional movable slide mechanism; A fiber delivery channel, one end of which is fixedly connected to the manipulator and the other end of which is connected to the fiber injection mechanism; The fiber injection mechanism includes: a fixed cylinder threadedly connected to the fiber delivery channel, a plurality of magnet delivery blocks arranged inside the fixed cylinder, and a delivery needle clamped at the center of the plurality of magnet delivery blocks; the inner wall of the fixed cylinder is provided with a linear push unit and the magnet delivery blocks, and a delivery rail slidably connected to the magnet delivery blocks; The linear pushing unit includes: a static iron core arranged on one side of the inner wall of the fixed cylinder, and a return spring for connecting the static iron core and the magnet delivery block; The fiber injection mechanism is provided with an interlayer, the interlayer is surrounded by a conductive coil, and the conductive coil is electrically connected to an external power supply mechanism for providing an electromagnetic driving force for the linear propulsion unit; A fiber feeding device is fixedly provided at one end of the fiber feeding channel, and the fiber feeding device comprises: a fiber calibration cylinder, a telescopic needle cylinder is coaxially slidably connected to the fiber calibration cylinder, and a pulling spring is provided between the outer wall of the telescopic needle cylinder and the inner wall of the fiber calibration cylinder; a first vertical slide rail mechanism, which is vertically fixed on the base and disposed near the other end of the base, the first vertical slide rail mechanism being connected to a crossbeam, the crossbeam being mounted with a concrete feeding funnel; A control unit is connected to the first two-dimensional movable slide rail mechanism, the second two-dimensional movable slide rail mechanism, the first vertical slide rail mechanism and the power supply mechanism.
2. The embedded spatially oriented fiber concrete preparation device according to claim 1, characterized in that: The first two-dimensional movable slide rail mechanism includes: A first transverse slide rail mechanism is installed on the base and arranged along the X direction; The second transverse slide rail mechanism is installed on the first transverse slide rail mechanism and arranged along the Y direction.
3. The embedded spatially oriented fiber concrete preparation device according to claim 1, characterized in that: The second two-dimensional movable slide rail mechanism includes: The second vertical slide rail mechanism is vertically fixed on the base, and the second vertical slide rail mechanism is connected to the third horizontal slide rail mechanism. The manipulator is installed on the third horizontal slide rail mechanism. The manipulator can move at a fixed point on a vertical plane through the second vertical slide rail mechanism and the third horizontal slide rail mechanism.
4. The embedded spatially oriented fiber concrete preparation device according to claim 3, characterized in that: The first vertical slide rail mechanism, the second vertical slide rail mechanism, the first transverse slide rail mechanism, the second transverse slide rail mechanism and the third transverse slide rail mechanism are all ball screw mechanisms.
5. The embedded spatially oriented fiber concrete preparation device according to claim 1, characterized in that: The concrete mold installation platform is provided with a plurality of fixing clamps, and the plurality of fixing clamps can clamp and fix the concrete mold in multiple directions.
6. The embedded spatially oriented fiber concrete preparation device according to claim 1, characterized in that: The concrete feeding hopper is provided with a feeding switch.
7. A method for preparing the embedded spatially oriented fiber concrete preparation device according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1. Input the fiber spatial position design file to the calculation and monitoring device to calculate the fiber spatial position coordinates, convert the fiber spatial position into spatial coordinate information, and transmit it to the control unit via Bluetooth serial port communication; S2. The control unit receives the spatial coordinate information and drives the second two-dimensional movable slide mechanism to complete the spatial positioning of the fiber delivery mechanism; S3. Current is supplied to the power supply mechanism, so that the static iron core becomes an electromagnet with the same magnetic pole as the magnet delivery block, pushing the magnet delivery block to drive the delivery syringe to receive the fiber, and gradually reducing the magnetism of the electromagnet to make the fiber move toward the fiber feeding device. After the current is disconnected, the fiber is delivered into the fiber feeding device under the action of the gravity of the magnet delivery block itself; after the fiber leaves the telescopic syringe, current is supplied again, so that the magnet delivery block drives the delivery syringe to receive the fiber again; S4. Optimizing the particle size of the coarse aggregate in the concrete to be laid, driving the concrete mold mounting platform to move at a fixed point on a horizontal plane via the first two-dimensional movable slide rail mechanism, and pouring concrete into the concrete mold via the feeding funnel; S5. Use X-ray scanning imaging technology to verify the three-dimensional directional distribution effect of the fiber and obtain a small-scale fiber concrete specimen with three-dimensional directional distribution.
8. The method for preparing an embedded spatially oriented fiber concrete preparation device according to claim 7, characterized in that: Step S3, detecting the diameter and length of the fiber by a detection unit to obtain diameter data and length data, and sending the diameter data and length data to a control unit for controlling the pushing distance of the fiber injection mechanism.
Citation Information
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