Concrete prefabricated part cutting device

Abstract

The utility model discloses a precast concrete component cutting device, which relates to the technical field of cutting devices, and comprises a working table, a U-shaped frame is arranged above the end part of the working table, a screw rod is in threaded connection with the inside of one side of the U-shaped frame, a first motor is arranged at one end of the screw rod, a hydraulic cylinder is arranged at the upper end of the U-shaped frame, and a lifting plate is arranged on the inner side of the U-shaped frame; a plurality of evenly-distributed supporting plates are fixedly arranged at the bottom end of the lifting plate in the horizontal direction, first shafts are arranged in the upper ends of the multiple supporting plates in a penetrating mode, second motors are arranged at one ends of the first shafts, second shafts are arranged in the lower ends of the single supporting plates in a penetrating mode, and the second shafts and the first shafts rotate synchronously. A spring sleeves the outer side of the telescopic rod, a rectangular plate is detachably mounted on the inner side of the rectangular box, and a saw wheel is fixedly arranged at the outer side end of the rectangular plate; a plurality of prefabricated parts can be cut at a time by increasing or decreasing the number of the sawing wheels, the cutting distance can be adjusted, and the cutting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a cutting device for concrete precast components. Background Art

[0002] Concrete precast components are building components prefabricated in factories with concrete as the basic material, including beams, slabs, columns, and building decoration accessories, etc.

[0003] In the production process of existing concrete precast components, they need to be cut by a device. However, due to different specifications and cutting quantities of the precast components, multiple cuts are required to complete, resulting in low cutting efficiency.

[0004] In view of the above problems, the utility model provides a cutting device for concrete precast components. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a cutting device for concrete precast components, which can complete one-time multi-piece cutting of precast components by increasing or decreasing the number of saw wheels, and the cutting spacing is adjustable, so as to improve the cutting efficiency, thus solving the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A cutting device for concrete precast components, including a workbench, a U-shaped frame is arranged above the end of the workbench, a lead screw is threadedly connected inside one side of the U-shaped frame, a first motor is arranged at one end of the lead screw, a hydraulic cylinder is arranged at the upper end of the U-shaped frame, a lifting plate is arranged inside the U-shaped frame, a plurality of uniformly distributed support plates are horizontally fixed at the bottom end of the lifting plate, a first shaft penetrates through the upper parts of the plurality of support plates, a second motor is arranged at one end of the first shaft, a second shaft penetrates through the lower part of a single support plate, the second shaft and the first shaft rotate synchronously, a rectangular box is fixed at one end of the second shaft, a telescopic rod is arranged at the upper end of the rectangular box, a spring is sleeved outside the telescopic rod, a rectangular plate is detachably installed inside the rectangular box, and a saw wheel is fixed at the outer end of the rectangular plate.

[0007] Further, the telescopic rod is slidably connected with the upper end of the rectangular box, a handle is fixedly connected to the upper end of the telescopic rod, both ends of the spring are tightly connected between the handle and the rectangular box, the rectangular plate is mutually engaged with the inside of the rectangular box, a positioning hole is opened at the upper end of the rectangular plate, and the spring drives the lower end of the telescopic rod to be mutually engaged with the inside of the positioning hole.

[0008] Further, a second pulley is arranged on one side of the support plate, the second pulley is fixedly installed outside the second shaft, a first pulley is fixedly installed outside the first shaft, a belt is sleeved and connected outside the first pulley and the second pulley, both the first shaft and the second shaft are rotatably connected inside the support plate through bearings, one end of the first shaft is fixedly connected to the output end of the second motor, and the second motor is fixedly installed at the bottom end of the lifting plate.

[0009] Furthermore, hydraulic cylinders are fixedly installed on both sides of the upper end of the U-shaped frame, and the output ends of the hydraulic cylinders extend downward and are fixedly connected to the upper end of the lifting plate.

[0010] Furthermore, a guide rod is slidably connected inside the U-shaped frame on the side away from the lead screw. Side plates are provided at both ends of the lead screw and the guide rod. The side plates are fixedly connected to the side of the workbench. The first motor is fixedly installed on the side plate. One end of the lead screw is rotatably connected to the inside of the side plate through a bearing, and the other end passes through the side plate and is fixedly connected to the output end of the first motor. Both ends of the guide rod are fixedly connected to the side plate.

[0011] Furthermore, support legs are fixedly connected to the four corners of the bottom end of the workbench.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] A cutting device for concrete precast components provided by the present utility model can increase or decrease the number of saw wheels according to the cutting needs. Manually stretch the telescopic rod outwards and insert the rectangular plate into the rectangular box. At this time, the spring is stretched. Then release the telescopic rod. Driven by the spring to restore deformation, the telescopic rod is inserted into the rectangular plate. At this time, the saw wheel is installed. The second motor drives the first shaft to rotate, drives all the second shafts to rotate synchronously, and then drives the saw wheels to rotate synchronously. Then the output end of the hydraulic cylinder drives the rotating saw wheel to move downward through the lifting plate to cut one end of the precast component. Then the first motor drives the lead screw to rotate, and drives the saw wheel to move horizontally in a straight line through the U-shaped frame to complete the cutting. The purpose of such a design is to complete one-time multi-piece cutting of the precast component by increasing or decreasing the number of saw wheels, and the cutting spacing is adjustable, improving the cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the structure of the bottom end of the lifting plate in the present utility model;

[0016] Figure 3 is a schematic diagram of the position of the second shaft in the present utility model;

[0017] Figure 4 is a schematic diagram of the structure of the rectangular box in the present utility model.

[0018] In the figure: 1, workbench; 2, side plate; 3, lead screw; 4, guide rod; 5, first motor; 6, U-shaped frame; 7, hydraulic cylinder; 8, lifting plate; 9, support plate; 10, first shaft; 11, first pulley; 12, second pulley; 13, belt; 14, second shaft; 15, rectangular box; 16, rectangular plate; 17, saw wheel; 18, telescopic rod; 19, handle; 20, spring; 21, positioning hole; 22, second motor; 23, support leg. Detailed implementation manners

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] To solve the technical problem of how to effectively cut, as Figures 1-4 shown, the following preferred technical solutions are provided:

[0021] A cutting device for concrete precast components, including a workbench 1. Above the end of the workbench 1, a U-shaped frame 6 is provided. Inside one side of the U-shaped frame 6, a lead screw 3 is threadedly connected. One end of the lead screw 3 is provided with a first motor 5. Above the upper end of the U-shaped frame 6, a hydraulic cylinder 7 is provided. Inside the U-shaped frame 6, a lifting plate 8 is provided. Horizontally and fixedly arranged at the bottom end of the lifting plate 8 are a number of uniformly distributed support plates 9. Inside the upper ends of the several support plates 9, a first shaft 10 is penetrated. One end of the first shaft 10 is provided with a second motor 22. Inside the lower ends of a single support plate 9, a second shaft 14 is penetrated. The second shaft 14 and the first shaft 10 rotate synchronously. One end of the second shaft 14 is fixedly provided with a rectangular box 15. Above the rectangular box 15, a telescopic rod 18 is provided. A spring 20 is sleeved outside the telescopic rod 18. Inside the rectangular box 15, a rectangular plate 16 is detachably installed. A saw wheel 17 is fixedly provided at the outer end of the rectangular plate 16.

[0022] Specifically, according to the cutting requirements, the number of saw wheels 17 is increased or decreased. Manually stretch the telescopic rod 18 outwards and insert the rectangular plate 16 into the rectangular box 15. At this time, the spring 20 is stretched. Then release the telescopic rod 18. Under the pulling of the spring 20 during the restoration of deformation, the telescopic rod 18 is inserted into the rectangular plate 16. At this time, the saw wheel 17 is installed. The second motor 22 drives the first shaft 10 to rotate, driving all the second shafts 14 to rotate synchronously, and then driving the saw wheels 17 to rotate synchronously. Then the output end of the hydraulic cylinder 7 drives the rotating saw wheels 17 to move downwards through the lifting plate 8 to cut one end of the precast component. Then the first motor 5 drives the lead screw 3 to rotate, driving the saw wheels 17 to move horizontally in a straight line through the U-shaped frame 6 to complete the cutting. The purpose of such a design is to complete one-time multi-piece cutting of the precast component by increasing or decreasing the number of saw wheels 17, and the cutting spacing can be adjusted, improving the cutting efficiency.

[0023] Furthermore, as Figure 4 shown, the following preferred technical solutions are provided:

[0024] The telescopic rod 18 is slidably connected to the upper end of the rectangular box 15. A handle 19 is fixedly connected to the upper end of the telescopic rod 18. Both ends of the spring 20 are tightly connected between the handle 19 and the rectangular box 15. The rectangular plate 16 is engaged with the inner side of the rectangular box 15. A positioning hole 21 is formed in the upper end of the rectangular plate 16. The spring 20 drives the lower end of the telescopic rod 18 to be engaged with the inner side of the positioning hole 21. The purpose of this design is to facilitate the disassembly and assembly of the saw wheel 17.

[0025] Further, as Figures 1-4 shown, the following preferred technical solutions are provided:

[0026] A second pulley 12 is provided on one side of the support plate 9. The second pulley 12 is fixedly installed on the outer side of the second shaft 14. A first pulley 11 is fixedly installed on the outer side of the first shaft 10. A belt 13 is sleeved and connected on the outer sides of the first pulley 11 and the second pulley 12. Both the first shaft 10 and the second shaft 14 are rotatably connected to the inside of the support plate 9 through bearings. One end of the first shaft 10 is fixedly connected to the output end of the second motor 22. The second motor 22 is fixedly installed on the bottom end of the lifting plate 8. The purpose of this design is that the second motor 22 drives the first shaft 10 to rotate, and through the transmission of the belt 13, drives all the second shafts 14 to rotate synchronously.

[0027] Further, as Figure 1 shown, the following preferred technical solutions are provided:

[0028] Hydraulic cylinders 7 are fixedly installed on both sides of the upper end of the U-shaped frame 6. The output ends of the hydraulic cylinders 7 extend downward and are fixedly connected to the upper end of the lifting plate 8. The purpose of this design is to drive the lifting plate 8 to lift through the hydraulic cylinders 7, and then drive the saw wheel 17 to lift.

[0029] Further, as Figure 1 shown, the following preferred technical solutions are provided:

[0030] A guide rod 4 is slidably connected to the inside of the U-shaped frame 6 on the side away from the lead screw 3. Side plates 2 are provided at both ends of the lead screw 3 and the guide rod 4. The side plates 2 are fixedly connected to the side surface of the workbench 1. The first motor 5 is fixedly installed on the side plate 2. One end of the lead screw 3 is rotatably connected to the inside of the side plate 2 through a bearing, and the other end passes through the side plate 2 and is fixedly connected to the output end of the first motor 5. Both ends of the guide rod 4 are fixedly connected to the side plate 2. The purpose of this design is that the first motor 5 drives the lead screw 3 to rotate, and then drives the U-shaped frame 6 to perform a horizontal reciprocating linear motion.

[0031] Further, as Figure 1 shown, the following preferred technical solutions are provided:

[0032] Support legs 23 are fixedly connected to the four corners of the bottom end of the workbench 1. The purpose of this design is to support the workbench 1.

[0033] In summary: According to the cutting requirements, the number of saw wheels 17 is increased or decreased. Manually stretch the telescopic rod 18 outwards and insert the rectangular plate 16 into the rectangular box 15. At this time, the spring 20 is stretched. Then release the telescopic rod 18. Under the pulling force of the spring 20 recovering its deformation, the telescopic rod 18 is inserted into the interior of the rectangular plate 16. At this time, the saw wheels 17 are installed. The second motor 22 drives the first shaft 10 to rotate, driving all the second shafts 14 to rotate synchronously, and then driving the saw wheels 17 to rotate synchronously. Then, the output end of the hydraulic cylinder 7 drives the rotating saw wheels 17 to move downwards through the lifting plate 8 to cut one end of the precast member. Then, the first motor 5 drives the lead screw 3 to rotate, and drives the saw wheels 17 to move horizontally in a straight line through the U-shaped frame 6 to complete the cutting. The purpose of this design is to complete one-time cutting of multiple precast members by increasing or decreasing the number of saw wheels 17, and the cutting spacing can be adjusted to improve the cutting efficiency.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for concrete precast components, characterized in that: It includes a workbench (1). Above the end of the workbench (1), a U-shaped frame (6) is provided. Inside one side of the U-shaped frame (6), a lead screw (3) is threadedly connected. One end of the lead screw (3) is provided with a first motor (5). At the upper end of the U-shaped frame (6), a hydraulic cylinder (7) is provided. Inside the U-shaped frame (6), a lifting plate (8) is provided. Horizontally fixed to the bottom end of the lifting plate (8) are a number of uniformly distributed support plates (9). Inside the upper ends of the several support plates (9), a first shaft (10) is passed through. One end of the first shaft (10) is provided with a second motor (22). Inside the lower end of a single support plate (9), a second shaft (14) is passed through. The second shaft (14) and the first shaft (10) rotate synchronously. One end of the second shaft (14) is fixedly provided with a rectangular box (15). At the upper end of the rectangular box (15), a telescopic rod (18) is provided. Outside the telescopic rod (18), a spring (20) is sleeved. Inside the rectangular box (15), a rectangular plate (16) is detachably installed. At the outer end of the rectangular plate (16), a saw wheel (17) is fixedly provided.

2. A cutting device for precast concrete components according to claim 1, characterized in that: The telescopic rod (18) is slidably connected to the upper end of the rectangular box (15). The upper end of the telescopic rod (18) is fixedly connected to a handle (19). Both ends of the spring (20) are tightly connected between the handle (19) and the rectangular box (15). The rectangular plate (16) is mutually engaged with the inside of the rectangular box (15). A positioning hole (21) is opened at the upper end of the rectangular plate (16). The spring (20) drives the lower end of the telescopic rod (18) to be mutually engaged with the inside of the positioning hole (21).

3. A concrete precast member cutting device according to claim 1, characterized in that: On one side of the support plate (9), a second pulley (12) is provided. The second pulley (12) is fixedly installed on the outside of the second shaft (14). On the outside of the first shaft (10), a first pulley (11) is fixedly installed. A belt (13) is sleeved and connected outside the first pulley (11) and the second pulley (12). The outside of both the first shaft (10) and the second shaft (14) is rotationally connected to the inside of the support plate (9) through bearings. One end of the first shaft (10) is fixedly connected to the output end of the second motor (22). The second motor (22) is fixedly installed on the bottom end of the lifting plate (8).

4. A cutting device for precast concrete components according to claim 1, characterized in that: On both sides of the upper end of the U-shaped frame (6), hydraulic cylinders (7) are fixedly installed. The output ends of the hydraulic cylinders (7) extend downward and are fixedly connected to the upper end of the lifting plate (8).

5. A cutting device for concrete precast components according to claim 1, characterized in that: Inside the side of the U-shaped frame (6) away from the lead screw (3), a guide rod (4) is slidably connected. At both ends of the lead screw (3) and the guide rod (4), side plates (2) are provided. The side plates (2) are fixedly connected to the side surface of the workbench (1). The first motor (5) is fixedly installed on the side plate (2). One end of the lead screw (3) is rotationally connected to the inside of the side plate (2) through a bearing, and the other end passes through the side plate (2) and is fixedly connected to the output end of the first motor (5). Both ends of the guide rod (4) are fixedly connected to the side plate (2).

6. The cutting device for precast concrete components according to claim 1, characterized in that: At the four corners of the bottom end of the workbench (1), support legs (23) are fixedly connected.

Images