Concrete product forming and cutting equipment for building material production
By combining the design of pushing, limiting and moving mechanisms, the problem of cut tilt caused by deviation during the cutting of concrete products is solved, achieving stable cutting and high-quality cutting results.
Patent Information
- Application Number
- CN202610104212.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-26
- Publication Date
- 2026-03-06
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing concrete products are prone to tilting during the cutting process due to movement and displacement, which affects the quality of subsequent processing.
By employing a pushing mechanism, a limiting mechanism, and a moving mechanism, and through a combination of rolling wheels, auxiliary wheels, sliding blocks, springs, elastic ropes, and cutting blades, the design ensures that concrete products maintain a stable and accurate cutting direction during the cutting process.
It effectively corrects the movement direction of concrete products, prevents the cut from tilting, ensures the stability and precision of the cutting process, avoids chipping, and improves cutting quality.
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Figure CN121608282A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of concrete products and technology, specifically to a concrete product forming and cutting device for building material production. Background Technology
[0002] Concrete products are building materials made by mixing cement as a binder, sand and gravel as aggregates, and water in a certain proportion, pouring them into molds, and then curing and hardening them. They come in a wide variety of types, including precast slabs, pipe piles, blocks, and wall panels, and are widely used in construction, municipal engineering, transportation, and other fields. They are characterized by high strength, good durability, moderate cost, and strong plasticity, and can be made into various shapes and sizes according to needs. The production process requires strict control of the proportioning, vibration, and curing processes to ensure quality. With modern technology, performance can also be improved by adding admixtures and fibers to meet the special requirements of different projects.
[0003] Patent application CN202411154827.8 discloses a concrete product forming and cutting device; it includes a conveying support platform for horizontally supporting and conveying concrete products, a main frame, a guiding and positioning assembly, and a fixed length assembly. The main frame is equipped with a vertical feed cutting mechanism. The guiding and positioning assembly includes an inner support component and an outer clamping mechanism for forming an inner and outer clamping and positioning support for the concrete products. Both the inner support component and the outer clamping mechanism avoid the cutting position of the cutting mechanism on the concrete products.
[0004] During the cutting process of existing concrete products, the product may shift during movement, resulting in tilted cuts that affect subsequent processing. Summary of the Invention
[0005] In view of the shortcomings of the prior art, the purpose of this invention is to provide a concrete product forming and cutting device for building material production, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a concrete product forming and cutting equipment for building material production, comprising a fixed frame, a rolling wheel provided on the inner wall of the fixed frame, the side of the rolling wheel near the inner wall of the fixed frame being rotatably connected to the fixed frame via a first rotating shaft, a first motor installed on the outer wall of the fixed frame, the output end of the first motor being fixedly connected to the rolling wheel, and a pushing mechanism installed on the inner surface of the fixed component;
[0007] The propulsion mechanism includes:
[0008] An insert block is fixedly connected to the inside of the fixing frame on the side closest to the fixing frame. A first auxiliary wheel is rotatably connected to the side of the insert block closest to the rolling wheel via a second rotating shaft. A rotating plate is rotatably connected to the side of the insert block furthest from the second auxiliary wheel via a third rotating shaft. The first auxiliary wheel is used to restrain the concrete product.
[0009] According to the above technical solution, a second auxiliary wheel is rotatably connected to the side of the rotating plate near the rolling wheel via a third rotating shaft. A sliding block is provided on the side of the second auxiliary wheel near the second auxiliary wheel. The side of the sliding block near the rotating plate is fixedly connected to the outer wall of the rotating plate. A first sliding rod is fixedly connected to the side of the inlay block near the second auxiliary wheel. A first spring is provided on the outer wall of the first sliding rod. The side of the first spring near the first auxiliary wheel is fixedly connected to one end of the first sliding rod. The second auxiliary wheel is used to push the concrete at an angle.
[0010] According to the above technical solution, a movable block is fixedly connected to the side of the first spring away from the first sliding rod. The inner wall of the movable block is slidably connected to the outer wall of the first sliding rod. The mechanism is set in two sets, and both are symmetrically arranged with the middle of the fixed frame as the center. The first spring is used to push the movable block to move.
[0011] According to the above technical solution, it also includes a limiting mechanism, which includes a positioning block. The side of the positioning block near the fixed frame is fixedly connected to the outer wall of the fixed frame, and the side of the positioning block near the first motor is fixedly connected to a fixing rod. The positioning block is used to ensure the position of the fixing rod.
[0012] According to the above technical solution, the positioning block is rotatably connected to a rotating block via a first bearing on the side away from the fixed rod. A connecting rod is fixedly connected to the side of the rotating block away from the fixed rod. A movable rod is slidably connected to the inner wall of the connecting rod. An elastic rope is fixedly connected to the outer wall of the fixed rod. The fixed rod is used to limit the pulling range of the elastic rope.
[0013] According to the above technical solution, a swing plate is fixedly connected to the side of the elastic rope away from the fixed rod. The side of the swing plate close to the rotating block is rotatably connected to the rotating block through a second bearing. The limiting mechanism is set in two sets, both symmetrically arranged with the middle of the fixed frame as the center. The swing plate is used to fix the position of the concrete.
[0014] According to the above technical solution, it also includes a moving mechanism, which includes a base plate. The side of the base plate near the fixed frame is fixedly connected to the top of the inner wall of the fixed frame. Two sets of second sliding rods are provided on the inner wall of the base plate. The side of each set of second sliding rods near the base plate is fixedly connected to the inner wall of the base plate. A clamping plate is slidably connected to the outer wall of each set of second sliding rods. A cutting blade is rotatably connected to the side of each set of clamping plates that is close to each other through a third bearing. A second motor is installed on the side of the base plate near the first motor. The clamping plate is used to fix the cutting blade.
[0015] According to the above technical solution, the output end of the second motor is fixedly connected to the cutting blade, and a circular ring is fixedly connected to the outer wall of each of the two sets of clamping plates. Two sets of arc-shaped rods are fixedly connected to the top of the bottom plate. The outer wall of each of the two sets of arc-shaped rods is slidably connected to the circular ring. A second spring is fixedly connected to the outer wall of each of the two sets of arc-shaped rods. A pull rod is fixedly connected to the side of each of the two sets of second springs away from the arc-shaped rod. The pull plate is used to slow down the downward movement speed of the cutting blade.
[0016] Compared with the prior art, the present invention provides a concrete product forming and cutting device for building material production, which has the following beneficial effects:
[0017] 1. The present invention, by setting a pushing mechanism, can ensure that when concrete is moving, the pushing mechanism can correct the direction of movement of the concrete, thereby ensuring that when one side of the concrete tilts, the concrete can be pushed back to the horizontal line by pushing one side of the concrete.
[0018] 2. By setting a movable block, the present invention can ensure that when the sliding block moves, the movable block is pushed forward by magnetic force, thereby unlocking the first spring, so that the concrete will be pushed by the force, and the angle of the concrete can be corrected by the offset angle of the concrete.
[0019] 3. The present invention can ensure that when concrete needs to be cut, the concrete can be restricted by the limiting mechanism, thereby ensuring that the pressure received by the concrete during cutting will not cause the concrete to move again.
[0020] 4. By setting up a moving mechanism, the present invention can ensure that when cutting concrete, the mechanism can stop during the downward movement, thereby ensuring that the concrete will not collapse due to the excessive downward speed of the cutting blade. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of the present invention;
[0022] Figure 2 This is a schematic diagram of the structure of the first motor of the present invention;
[0023] Figure 3 This is a schematic diagram of the structure of the first auxiliary wheel of the present invention;
[0024] Figure 4 This is a schematic diagram of the structure of the actuating mechanism of the present invention;
[0025] Figure 5 This is a schematic diagram of the cutting blade of the present invention;
[0026] Figure 6 This is a schematic diagram of the limiting mechanism of the present invention;
[0027] Figure 7 This is a schematic diagram of the structure of the second motor of the present invention;
[0028] Figure 8 This is a schematic diagram of the moving mechanism of the present invention.
[0029] In the diagram: 1. Fixed frame; 2. Rolling wheel; 3. First motor; 4. Second motor; 5. Cutting blade; 6. Pushing mechanism; 601. Inlay block; 602. First auxiliary wheel; 603. Second auxiliary wheel; 604. Rotating plate; 605. First sliding rod; 606. First spring; 607. Moving block; 608. Sliding block; 7. Limiting mechanism; 701. Positioning block; 703. Rotating block; 704. Connecting rod; 705. Movable rod; 706. Swing plate; 707. Elastic rope; 708. Fixed rod; 8. Moving mechanism; 801. Base plate; 802. Second sliding rod; 803. Second spring; 804. Pulling rod; 805. Circular ring; 806. Arc rod; 807. Clamping plate. Detailed Implementation
[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.
[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.
[0032] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0033] Example 1: See Figures 1-4 The present invention provides a technical solution: a concrete product forming and cutting device for building material production, comprising a fixed frame 1, a rolling wheel 2 disposed on the inner wall of the fixed frame 1, the side of the rolling wheel 2 near the inner wall of the fixed frame 1 being rotatably connected to the fixed frame 1 via a first rotating shaft, a first motor 3 mounted on the outer wall of the fixed frame 1, the output end of the first motor 3 being fixedly connected to the rolling wheel 2, and a pushing mechanism 6 mounted on the inner surface of the fixed component, the pushing mechanism 6 including an insert block 601, the side of the insert block 601 near the fixed frame 1 being fixedly connected to the inner wall of the fixed frame 1, the insert block 601 near the rolling wheel 2 being fixedly connected to the inner wall of the fixed frame 1. A first auxiliary wheel 602 is rotatably connected to one side of the moving wheel 2 via a second rotating shaft. A rotating plate 604 is rotatably connected to the side of the inlay block 601 away from the second auxiliary wheel 603 via a third rotating shaft. By setting the rotating plate 604, the angle of the tilted concrete can be measured, and the tilted side can be pushed to ensure that the concrete block can be straightened. The first auxiliary wheel 602 is used to restrict the concrete product, and the second auxiliary wheel 603 is rotatably connected to the side of the rotating plate 604 near the moving wheel 2 via a third rotating shaft. A sliding block 608 is provided on the side of the second auxiliary wheel 603 near the second auxiliary wheel 603. By setting the sliding block 608, the first restriction can be unlocked, thereby ensuring that when the first spring 606 stops working, it will not interfere with the distance between the moving block 607 and the sliding block 608. The side of the sliding block 608 near the rotating plate 604 is fixedly connected to the outer wall of the rotating plate 604. A first sliding rod 605 is fixedly connected to the side of the inlay block 601 near the second auxiliary wheel 603. A first spring 606 is provided on the outer wall of the first sliding rod 605. The side of the first auxiliary wheel 602 near the second auxiliary wheel 603 is fixedly connected to one end of the first sliding rod 605. The second auxiliary wheel 603 is used to push the concrete at an angle. The side of the first spring 606 away from the first sliding rod 605 is fixedly connected to the moving block 607. The inner wall of the moving block 607 is slidably connected to the outer wall of the first sliding rod 605. The inner wall of the sliding block 608 is slidably connected to the outer wall of the first sliding rod 605. This mechanism is set in two sets, and both are symmetrically arranged with the middle of the fixed frame 1 as the center. The first spring 606 is used to push the moving block 607 to move.
[0034] The working principle of this embodiment is as follows: When concrete needs to be cut, an angular shift will occur during the movement of the concrete, resulting in a deviation in the direction of movement. This mechanism addresses this issue. When the operator starts the first motor 3, the first motor 3 drives the rolling wheel 2 to move. As the rolling wheel 2 moves, it drives the concrete to move synchronously, allowing the concrete to continuously move. When the concrete comes into contact with the second auxiliary wheel 603, the second auxiliary wheel 603 begins to rotate, and it drives the rotating plate 604 to rotate. When the rotating plate 604 rotates, it drives the sliding block 608 to rotate on the first sliding rod 605. As the sliding block 608 slides, it gradually moves closer to the moving block 607. At this time, the sliding block 608 magnetically attracts the protruding zero of the moving block 607, which is stuck in the first sliding rod 605. This causes the moving block 607 to release the restriction of the first spring 606, causing the first spring 606 to rebound and push the moving block 607 to move. When the moving block 607 moves, it pushes the sliding block 608, which in turn pushes the rotating plate 604 to rotate. This causes the first auxiliary wheel 602 to start pushing the concrete. Through the continuous rotation of the first auxiliary wheel 602, the concrete can start to change direction and eventually reach the same horizontal line as the rolling wheel 2, thus completing the work.
[0035] Example 2: Please refer to Figures 5-6Based on Embodiment 1, the present invention provides a technical solution that further includes a limiting mechanism 7. The limiting mechanism 7 includes a positioning block 701. The side of the positioning block 701 closest to the fixed frame 1 is fixedly connected to the outer wall of the fixed frame 1. A fixing rod 708 is fixedly connected to the side of the positioning block 701 closest to the first motor 3. The positioning block 701 is used to ensure the position of the fixing rod 708. A rotating block 703 is rotatably connected to the side of the positioning block 701 furthest from the fixing rod 708 via a first bearing. A connecting rod 704 is fixedly connected to the side of the rotating block 703 furthest from the fixing rod 708. A movable rod 705 is slidably connected to the inner wall of the connecting rod 704. By setting the movable rod 705, it can be ensured that when the rocking plate 706 moves to one side, the movable rod 705 will be stuck inside the rocking plate 706. This ensures the swaying plate 706 can push the concrete. An elastic rope 707 is fixedly connected to the outer wall of the fixing rod 708. The fixing rod 708 is used to limit the pulling range of the elastic rope 707. By setting the elastic rope 707, it can be ensured that when the elastic rope 707 is subjected to tension or pressure, it can push or pull the swaying plate 706, thereby ensuring the stability of the swaying plate 706 and preventing it from tilting. The side of the elastic rope 707 away from the fixing rod 708 is fixedly connected to the swaying plate 706. The side of the swaying plate 706 near the rotating block 703 is rotatably connected to the rotating block 703 through the second bearing. The limiting mechanism 7 is set in two sets, both symmetrically arranged with the middle of the fixing frame 1 as the center. The swaying plate 706 is used to fix the position of the concrete.
[0036] The working principle of this embodiment is as follows: When concrete needs to be cut, the concrete will be subjected to downward pressure, which may cause the concrete to sway left and right, thus affecting the cutting process. This mechanism will address this issue. When concrete needs to be cut, the swaying plate 706 will be in contact with the outer wall of the concrete. When the concrete sways during cutting, the swaying plate 706 will be pushed. When the swaying plate 706 is pushed, it will begin to swing to one side. When the swaying plate 706 pushes towards the movable rod 705, the fixed rod 7... The elastic rope 707 on the fixed rod 708 will start to pull the swing plate 706, thereby ensuring that the swing plate 706 will start to push the concrete and prevent it from moving to the left or right, thus ensuring the stability of the concrete during cutting. When the concrete swings towards the fixed rod 708, the connecting rod 704 will drive the movable rod 705 to tilt slightly. At this time, the elastic rope 707 will start to rebound, so that the swing plate 706 will be locked on the movable rod 705. Then the movable rod 705 will start to move backward, thereby pulling the swing plate 706 to reset, thus completing the work.
[0037] Example 3: Please refer to Figures 7-8Based on Embodiments 1 and 2, the present invention provides a technical solution that further includes a moving mechanism 8. The moving mechanism 8 includes a base plate 801. The side of the base plate 801 near the fixed frame 1 is fixedly connected to the top of the inner wall of the fixed frame 1. Two sets of second sliding rods 802 are provided on the inner wall of the base plate 801. The side of each of the two sets of second sliding rods 802 near the base plate 801 is fixedly connected to the inner wall of the base plate 801. A locking plate 807 is slidably connected to the outer wall of each of the two sets of second sliding rods 802. A cutting blade 5 is rotatably connected to the side of each of the two sets of locking plates 807 that is close to each other through a third bearing. A second motor 4 is installed on the side of the base plate 801 near the first motor 3. The locking plate 807 is used to fix the cutting blade 5. The output end of the second motor 4 is connected to... The cutting blade 5 is fixedly connected, and two sets of clamping plates 807 are each fixedly connected to a circular ring 805 on their outer walls. Two sets of arc-shaped rods 806 are fixedly connected to the top of the base plate 801. The outer walls of the two sets of arc-shaped rods 806 are slidably connected to the circular rings 805. The outer walls of the two sets of arc-shaped rods 806 are each fixedly connected to a second spring 803. The side of the two sets of second springs 803 away from the arc-shaped rods 806 is fixedly connected to a pull rod 804. By setting the pull plate, it can be ensured that when cutting concrete, the pull plate can effectively slow down the downward movement speed of the cutting blade 5, thereby ensuring that the cutting is not too fast when cutting concrete, thus preventing the concrete from chipping. The pull plate is used to slow down the downward movement speed of the cutting blade 5.
[0038] The working principle of this embodiment is as follows: When the second motor 4 drives the cutting blade 5 to move, the cutting blade 5 will start to move downward. When the cutting blade 5 moves downward, it will start to move downward with the clamping plate 807. When the clamping plate 807 moves downward, it will drive the circular ring 805 to slide downward on the arc rod 806. When the circular ring 805 slides, it will push the pulling rod 804. When the pulling rod 804 is subjected to rod pressure, it will start to press the second spring 803. At this time, the second spring 803 will start to contract, which will slow down the downward movement speed of the circular ring 805. When the clamping plate 807 moves downward, it will slide downward on the outer surface of the second sliding rod 802, thus ensuring that the clamping plate 807 can slide downward even when constrained, so as not to stop. This avoids problems when cutting concrete and completes the work.
[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0040] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A concrete product forming and cutting device for building material production, comprising a fixed frame (1), a rolling wheel (2) is arranged on the inner wall of the fixed frame (1), the rolling wheel (2) is rotatably connected to the fixed frame (1) through a first rotating shaft near one side of the inner wall of the fixed frame (1), a first motor (3) is installed on the outer wall of the fixed frame (1), and the output end of the first motor (3) is fixedly connected with the rolling wheel (2), characterized in that, The inner surface of the fixing part is provided with a pushing mechanism (6); The pushing mechanism (6) comprises: The mosaic block (601) is fixedly connected to the inner side of the fixed frame (1) near one side of the fixed frame (1), and the first auxiliary wheel (602) is rotatably connected to the mosaic block (601) near the side of the rolling wheel (2) through a second rotating shaft, and the rotating plate (604) is rotatably connected to the side of the mosaic block (601) away from the second auxiliary wheel (603) through a third rotating shaft, and the first auxiliary wheel (602) is used for limiting the concrete product.
2. A concrete product forming and cutting apparatus for the production of building materials as claimed in claim 1 wherein: The rotating plate (604) is rotatably connected to the side of the rolling wheel (2) through a third rotating shaft, and the second auxiliary wheel (603) is arranged on the side of the second auxiliary wheel (603) near the second auxiliary wheel (603), and the sliding block (608) is fixedly connected to the outer wall of the rotating plate (604) near the side of the rotating plate (604), and the first sliding rod (605) is fixedly connected to the side of the mosaic block (601) near the second auxiliary wheel (603), and the first spring (606) is arranged on the outer wall of the first sliding rod (605), and the first spring (606) is fixedly connected to one end of the first sliding rod (605) near the first auxiliary wheel (602), and the second auxiliary wheel (603) is used for pushing the concrete in the angle.
3. A concrete article forming and cutting apparatus for the production of building materials as claimed in claim 2 wherein: The first spring (606) is fixedly connected to the moving block (607) away from the first sliding rod (605), and the inner wall of the moving block (607) is slidably connected with the outer wall of the first sliding rod (605), and the inner wall of the sliding block (608) is slidably connected with the outer wall of the first sliding rod (605), and the mechanism is provided as two groups, and is symmetrically arranged with the middle part of the fixed frame (1) as the center, and the first spring (606) is used for pushing the moving block (607) to move.
4. A concrete product forming and cutting apparatus for the production of building materials as defined in claim 1, characterized in that: The limiting mechanism (7) further comprises a positioning block (701), and the positioning block (701) is fixedly connected to the outer wall of the fixed frame (1) near one side of the fixed frame (1), and the fixed rod (708) is fixedly connected to the side of the positioning block (701) near the first motor (3), and the positioning block (701) is used for ensuring the position of the fixed rod (708).
5. A concrete article forming and cutting apparatus for the production of building materials as claimed in claim 4 wherein: The rotating block (703) is rotatably connected to the side of the positioning block (701) away from the fixed rod (708) through a first bearing, the connecting rod (704) is fixedly connected to the side of the rotating block (703) away from the fixed rod (708), the movable rod (705) is slidably connected to the inner wall of the connecting rod (704), and the elastic rope (707) is fixedly connected to the outer wall of the fixed rod (708), and the fixed rod (708) is used for limiting the pulling range of the elastic rope (707).
6. A concrete article forming and cutting apparatus for the production of building materials as claimed in claim 5 wherein: The elastic rope (707) is fixedly connected with a swing plate (706) away from one side of the fixed rod (708), one side of the swing plate (706) close to the rotating block (703) is rotatably connected with the rotating block (703) through a second bearing, the limiting mechanism (7) is provided in two groups and is symmetrically arranged at the middle part of the fixed frame (1), and the swing plate (706) is used for fixing the position of the concrete.
7. A concrete product forming and cutting apparatus for the production of building materials as defined in claim 1, characterized in that: Further comprising a moving mechanism (8), the moving mechanism (8) comprises a bottom plate (801), one side of the bottom plate (801) close to the fixed frame (1) is fixedly connected with the inner wall top of the fixed frame (1), the inner wall of the bottom plate (801) is provided with two groups of second sliding rods (802), one side of the two groups of second sliding rods (802) close to the bottom plate (801) is fixedly connected with the inner wall of the bottom plate (801), the outer walls of the two groups of second sliding rods (802) are slidably connected with clamping plates (807), one side of the two groups of clamping plates (807) close to each other is rotatably connected with cutting knives (5) through third bearings, one side of the bottom plate (801) close to the first motor (3) is provided with a second motor (4), and the clamping plate (807) is used for fixing the cutting knife (5).
8. A concrete article forming and cutting apparatus for the production of building materials as claimed in claim 7 wherein: The output end of the second motor (4) is fixedly connected with the cutting knife (5), the outer walls of the two groups of clamping plates (807) are fixedly connected with circular rings (805), the top of the bottom plate (801) is fixedly connected with two groups of arc-shaped rods (806), the outer walls of the two groups of arc-shaped rods (806) are slidably connected with the circular rings (805), the outer walls of the two groups of arc-shaped rods (806) are fixedly connected with second springs (803), and one side of the two groups of second springs (803) away from the arc-shaped rods (806) is fixedly connected with pulling rods (804). The pulling plate is used for slowing down the downward speed of the cutting knife (5).
Citation Information
Patent Citations
A concrete product forming and cutting device
CN118664765B