Prestressed steel strand cutting equipment
By using a dual-grinding wheel cutting system driven alternately, the problem of easy damage to grinding wheels in existing equipment is solved, achieving efficient cutting of prestressed steel strands and improving the durability of the equipment.
Patent Information
- Application Number
- CN202520393592.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing prestressed steel strand cutting equipment suffers from low cutting efficiency because the grinding wheel is easily damaged due to its high hardness.
The dual-grinding wheel cutting system uses two motors to alternately drive the grinding wheels to rotate. By cooperating with the actuating rod and connecting rod, the system achieves efficient cutting and temperature management of the grinding wheels, avoiding overheating damage caused by continuous operation of a single grinding wheel.
It improves the efficiency of steel strand cutting, reduces damage to the grinding wheel, and extends the service life of the equipment.
Smart Images
Figure CN223811498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of prestressed steel strand cutting, in particular to a prestressed steel strand cutting equipment. BACKGROUND
[0002] Steel strand is a twisted steel cable composed of 2, 3, 7 or 19 high-strength steel wires, and is subjected to stress relief treatment (stabilization treatment), suitable for prestressed concrete and similar purposes. The main feature of the prestressed steel strand is high strength and good relaxation performance, and it is relatively straight when expanded, and the yield strength of the steel is also very high. In the production process of steel strand, the steel strand needs to be cut off. The existing cutting steel strand generally adopts cutting equipment for direct cutting treatment. The existing cutting equipment is composed of a motor and a grinding wheel. The motor drives the grinding wheel to rotate at high speed and contact with the steel strand for cutting operation. However, the hardness of the steel strand is high, and the cutting time is long. At this time, the temperature of the grinding wheel itself will be very high, which is easy to damage, affecting the cutting efficiency. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above-mentioned problem that the hardness of the steel strand is high, the cutting time is long, and the temperature of the grinding wheel itself is very high at this time, which is easy to damage, affecting the cutting efficiency, the present application provides a prestressed steel strand cutting equipment.
[0004] The prestressed steel strand cutting equipment provided by the present application adopts the following technical scheme:
[0005] A prestressed steel strand cutting equipment, comprising a support plate and a support, the two ends of the bottom of the support are welded with the edges of the support plate, the two ends of the top of the support plate are both installed with a clamping piece for clamping the steel strand, a round hole is opened in one side of the support, a poking rod is arranged on one side of the support, a rotating shaft is welded on one side of the poking rod, the rotating shaft is movably penetrated through the round hole, a bearing is arranged in the inside of the round hole for limiting the rotating shaft, a connecting rod is welded on the other end of the rotating shaft, two motors are installed on one side of the connecting rod, the power shafts of the two motors are both rotatably penetrated through the connecting rod, two grinding wheels are installed on the end portions of the power shafts of the two motors through two fixing pieces, a through hole is opened in the middle of the top end of the support plate, and the through hole is located directly below the grinding wheels.
[0006] Preferably, the clamping piece is composed of a fixed block and a servo electric cylinder, the fixed block is welded on one corner of the top end of the support plate, the servo electric cylinder is installed on one side of the fixed block, the telescopic end of the servo electric cylinder is movably penetrated through the fixed block, an active clamping block is welded on the end portion of the telescopic end of the servo electric cylinder, and a fixed clamping block is welded on the other corner of the support plate. A semicircular arc hole is opened in one side of the active clamping block and one side of the fixed clamping block.
[0007] Preferably, the outer ring of the bearing is fixedly installed inside the circular hole, and the inner ring of the bearing is fixedly sleeved outside the rotating shaft.
[0008] Preferably, the fixing member is composed of a fixing sheet, a hexagon nut and a screw, the fixing sheet is welded at the end of the power shaft of the motor, the hexagon nut is welded at one side of the fixing sheet, the grinding wheel is sleeved outside the hexagon nut, the screw is threadedly inserted into the inside of the hexagon nut, and one end of the screw abuts against one side of the grinding wheel.
[0009] Preferably, the top end of the support is welded with a limiting block, both ends of the poking rod are provided with insertion holes, one end of a plug movably penetrates through the inside of one of the insertion holes, and one end of the plug movably penetrates through the limiting block.
[0010] Preferably, four supporting legs are welded at four corners of the bottom end of the supporting plate, and bolts are threadedly penetrated through the top ends of the four supporting legs.
[0011] In summary, the application has the following beneficial technical effects: the power shaft of one of the motors drives the grinding wheel to rotate, then the poking rod drives the rotating shaft to drive the connecting rod to rotate, the connecting rod drives the motor and the grinding wheel to rotate, so that the high-speed rotating grinding wheel cuts the steel strand, when the temperature of the grinding wheel is too high, the motor driving the grinding wheel is turned off, then another motor drives another grinding wheel to rotate, at the same time, the poking rod drives the rotating shaft to drive the connecting rod to rotate, the connecting rod drives the motor and the grinding wheel to rotate, so that the high-speed rotating grinding wheel cuts the steel strand again; compared with the prior art, two grinding wheels are used to replace the cutting of the steel strand, so that the damage of the single grinding wheel caused by the high temperature due to the continuous work of the single grinding wheel can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a schematic view of the overall structure of the application embodiment one.
[0013] Figure 2 is a schematic view of the bottom structure of the application embodiment one.
[0014] Figure 3 is a schematic view of the partial structure of the application embodiment one.
[0015] Figure 4 is a schematic view of the split structure of the fixing sheet, the hexagon nut and the screw in the application embodiment one.
[0016] Explanation of reference signs: 1, support plate; 2, clamping piece; 21, fixed block; 22, servo electric cylinder; 23, movable clamping block; 24, fixed clamping block; 3, support; 41, push rod; 42, rotating shaft; 43, connecting rod; 44, electric motor; 45, grinding wheel; 5, bearing; 6, fixed piece; 61, fixed sheet; 62, hexagonal nut; 63, screw; 71, limiting block; 72, insertion nail; 81, supporting leg; 82, bolt. DETAILED DESCRIPTION
[0017] The following description will be made in conjunction with the accompanying drawings Figure 1 - the accompanying drawings Figure 4 The application is further described in detail.
[0018] Example one:
[0019] A prestressed steel strand cutting device, referring to Figures 1-4, including support plate 1 and support 3, both ends of the bottom of the support 3 and the edge of the support plate 1 are welded, both ends of the top of the support plate 1 are provided with clamping piece 2 for clamping the strand, clamping piece 2 is composed of a fixed block 21 and a servo cylinder 22, fixed block 21 is welded in one corner of the top of the support plate 1, servo cylinder 22 is installed on one side of the fixed block 21, servo cylinder 22 is electrically connected with external power supply through external switch, servo cylinder 22 is preferably MPED-180 type, the telescopic end of servo cylinder 22 is movably penetrated through the fixed block 21, the telescopic end of servo cylinder 22 is welded with movable clamping block 23, another corner of the support plate 1 is welded with fixed clamping block 24, one side of movable clamping block 23 and one side of fixed clamping block 24 are provided with semicircular arc hole, after the strand is placed between the fixed clamping block 24 and the movable clamping block 23, the servo cylinder 22 is started by using external switch, the telescopic end of servo cylinder 22 drives movable clamping block 23 to approach fixed clamping block 24, then it can clamp and fix the strand by cooperating with fixed clamping block 24, one side of the support 3 is provided with round hole, one side of the support 3 is provided with the lever 41, one side of the lever 41 is welded with the rotating shaft 42, the rotating shaft 42 is movably penetrated through the round hole, the inside of the round hole is provided with bearing 5 for limiting the rotating shaft 42, the outer ring of the bearing 5 is fixedly installed in the inside of the round hole, the inner ring of the bearing 5 is fixedly sleeved on the outside of the rotating shaft 42, which can ensure that the rotating shaft 42 can only rotate in the inside of the round hole, the other end of the rotating shaft 42 is welded with connecting rod 43, one side of the connecting rod 43 is installed with two motors 44, the two motors 44 are electrically connected with external power supply through two external control switches respectively, the two motors 44 are preferably YE2132M-4 type, the power shafts of the two motors 44 are rotatably penetrated through the connecting rod 43, the power shaft ends of the two motors 44 are installed with two grinding wheels 45 through two fixed pieces 6, the fixed piece 61 is welded on the power shaft end of the motor 44, the hexagonal nut 62 is welded on one side of the fixed piece 61, the grinding wheel 45 is sleeved on the outer surface of the hexagonal nut 62, and one side of the grinding wheel 45 abuts against one side of the fixed piece 61, the screw 63 is threadedly inserted in the inside of the hexagonal nut 62, one end of the screw 63 abuts against one side of the grinding wheel 45, which can fixedly install the grinding wheel 45 on the power shaft end of the motor 44, the middle of the top of the support plate 1 is provided with through hole, the through hole is located directly below the grinding wheel 45, so that the grinding wheel 45 will not touch the support plate 1, then one of the external control switches is used to control one of the motors 44 to work, the power shaft of the motor 44 drives the grinding wheel 45 to rotate, then the rotating shaft 42 is driven to rotate by using the lever 41, the connecting rod 43 drives the motor 44 and the grinding wheel 45 to rotate, so that the high-speed rotating grinding wheel 45 cuts the strand, when the temperature of the grinding wheel 45 is too high, the motor 44 driving the grinding wheel 45 to rotate is turned off,Then another motor 44 is started by another peripheral control switch, the power shaft of the motor 44 drives the grinding wheel 45 to rotate, then the rotating shaft 42 is poked by the poking rod 41 to drive the connecting rod 43 to rotate reversely, the connecting rod 43 drives the motor 44 and the grinding wheel 45 to rotate, so that the high-speed rotating grinding wheel 45 cuts the steel strand again.
[0020] With reference to Figure 1 And Figure 2 The top end of the support 3 is welded with a limiting block 71, both ends of the poking rod 41 are provided with insertion holes, one of the insertion holes is movably penetrated by an insertion pin 72, one end of the insertion pin 72 movably penetrates the limiting block 71, the poking rod 41 can be fixed, the rotating shaft 42 and the connecting rod 43 cannot be rotated randomly, the four corners of the bottom end of the support plate 1 are welded with supporting legs 81, the top end of the four supporting legs 81 are threadedly penetrated by bolts 82, the rotating four bolts 82 are threadedly connected with the workbench surface, so that the support plate 1 can be installed on the workbench.
[0021] The above describes the exemplary embodiment of the prestressed steel strand cutting device provided by the present disclosure with reference to the preferred embodiment, however, those skilled in the art can understand that various modifications and changes can be made to the above specific embodiment without departing from the concept of the present disclosure, and various technical features and structures provided by the present disclosure can be combined without exceeding the protection scope of the present disclosure, the protection scope of the present disclosure is determined by the appended claims.
Claims
1. A pre-stressed steel strand cutting apparatus comprising a support plate (1) and a bracket (3), characterized in that, The both ends of the bottom of the support (3) are welded with the edges of the support plate (1), the both ends of the top of the support plate (1) are provided with the clamping pieces (2) for clamping the steel strand, one side of the support (3) is provided with the round hole, one side of the support (3) is provided with the poking rod (41), one side of the poking rod (41) is welded with the rotating shaft (42), the rotating shaft (42) is movably penetrated through the round hole, the inside of the round hole is provided with the bearing (5) for limiting the rotating shaft (42), the other end of the rotating shaft (42) is welded with the connecting rod (43), one side of the connecting rod (43) is provided with the two electric motors (44), the power shafts of the two electric motors (44) are movably penetrated through the connecting rod (43), the power shaft ends of the two electric motors (44) are provided with the two grinding wheels (45) through the two fixing pieces (6), the middle of the top of the support plate (1) is provided with the through hole, the through hole is located directly below the grinding wheel (45).
2. A pre-stressed steel strand cutting apparatus according to claim 1, characterized in that: The clamping piece (2) is composed of a fixed block (21) and a servo electric cylinder (22), the fixed block (21) is welded at one corner of the top of the support plate (1), the servo electric cylinder (22) is installed on one side of the fixed block (21), the telescopic end of the servo electric cylinder (22) is movably penetrated through the fixed block (21), the telescopic end of the servo electric cylinder (22) is welded with the movable clamping block (23), the other corner of the support plate (1) is welded with the fixed clamping block (24), one side of the movable clamping block (23) and one side of the fixed clamping block (24) are provided with the semicircular arc holes.
3. The pre-stressed steel strand cutting apparatus according to claim 1, wherein: The outer ring of the bearing (5) is fixedly installed in the inside of the round hole, the inner ring of the bearing (5) is fixedly sleeved on the outside of the rotating shaft (42).
4. The pre-stressed steel strand cutting apparatus according to claim 1, wherein: The fixing piece (6) is composed of a fixed sheet (61), a hexagonal nut (62) and a screw (63), the fixed sheet (61) is welded on the power shaft end of the electric motor (44), the hexagonal nut (62) is welded on one side of the fixed sheet (61), the grinding wheel (45) is sleeved on the outer surface of the hexagonal nut (62), the screw (63) is threadedly inserted in the inside of the hexagonal nut (62), one end of the screw (63) abuts against one side of the grinding wheel (45).
5. The pre-stressed steel strand cutting apparatus of claim 1, wherein: The top of the support (3) is welded with the limiting block (71), the both ends of the poking rod (41) are provided with the insertion holes, the inside of one of the insertion holes is movably penetrated through the insertion peg (72), one end of the insertion peg (72) is movably penetrated through the limiting block (71).
6. The pre-stressed steel strand cutting apparatus of claim 1, wherein: The four corners of the bottom of the support plate (1) are welded with the supporting legs (81), the top of the four supporting legs (81) is threadedly penetrated through the bolts (82).