A concrete cutting machine

Abstract

The present invention provides a concrete cutting machine, including a lifting mechanism, a swinging mechanism, a saw blade fixing structure and one or more saw blade structures capable of cutting concrete; the swinging mechanism includes a first driving device, a driving gear, a transmission shaft, two eccentric wheels and two transmission connecting rods, the output end of the first driving device is connected to the driving gear, the driving gear drives the transmission shaft to rotate through a chain, the two eccentric wheels are symmetrically arranged at the left and right ends of the transmission shaft, and each eccentric wheel is connected to the saw blade fixing structure through a transmission connecting rod; one or more saw blade structures are arranged in an array on the saw blade fixing structure, and the lifting mechanism is slidably connected to the saw blade fixing structure. The concrete cutting machine described in the present invention solves the technical problem that the aerated concrete block cutting equipment in the prior art is complex in structure and large in size, and cannot realize fully automated production of aerated concrete blocks.

Description

Technical Field

[0001] The invention belongs to the technical field of concrete processing, and in particular relates to a concrete cutting machine. Background Art

[0002] Aerated concrete blocks are a new type of building material that is lightweight, porous, heat-insulating, fire-resistant, can be nailed, sawed, planed, and has a certain degree of earthquake resistance. As early as the early 1930s, China began to produce this product and it was widely used in high-rise frame structures. It is an excellent new building material and has advantages such as environmental protection. The aerated concrete block cutting equipment currently on the market has a complex structure and a large volume, and cannot achieve fully automated production of aerated concrete blocks. Summary of the invention

[0003] In view of this, the present invention aims to propose a concrete cutting machine to solve the technical problems in the prior art that the aerated concrete block cutting equipment has a complex structure and a large volume and cannot achieve fully automated production of aerated concrete blocks.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A concrete cutting machine comprises a lifting mechanism, a swinging mechanism, a saw blade fixing structure and one or more saw blade structures capable of cutting concrete;

[0006] The swing mechanism includes a first driving device, a driving gear, a transmission shaft, two eccentric wheels and two transmission connecting rods, the output end of the first driving device is connected to the driving gear, the driving gear drives the transmission shaft to rotate through a chain, the two eccentric wheels are symmetrically arranged at the left and right ends of the transmission shaft, and each of the eccentric wheels is connected to the saw blade fixing structure through one of the transmission connecting rods;

[0007] One or more saw blade structures are arranged on the saw blade fixing structure, and the lifting mechanism is slidably connected to the saw blade fixing structure.

[0008] Furthermore, the lifting mechanism includes a second driving device, a lifting frame, a lifting active gear, a lifting passive gear, a lifting transmission main shaft, two lifting transmission screws and two lifting transmission boxes. The output end of the second driving device is connected to the lifting active gear, and the lifting active gear drives the lifting transmission main shaft to rotate through the lifting passive gear. The front and rear ends of the lifting transmission main shaft are connected to a lifting transmission screw through a lifting transmission box, and the bottoms of the two lifting transmission screws are connected to the lifting frame, and the lifting frame is slidably connected to the saw blade fixing structure.

[0009] Furthermore, the saw blade fixing structure includes two swinging saw frames and two saw frame swinging guide shafts. The two swinging saw frames are arranged in parallel. One swinging saw frame is connected to the other swinging saw frame through the two saw frame swinging guide shafts. The two saw frame swinging guide shafts are slidably connected to the lifting frame. One or more saw blade structures are arranged on the two swinging saw frames.

[0010] Furthermore, each of the saw frame swing guide shafts is slidably connected to the lifting frame via two swing guide sleeves.

[0011] Furthermore, the saw blade structure includes a saw blade and two saw blade tensioning devices, and the front and rear ends of the saw blade are connected to one of the swing saw frames through one of the saw blade tensioning devices;

[0012] The saw blade tensioning device includes a tensioning support frame, a tensioning nut and a tensioning screw. The tensioning support frame is arranged inside the swinging saw frame. The tensioning screw is connected to the saw blade through a pin shaft. The pin shaft is arranged inside the tensioning support frame. The tensioning screw is threadedly connected to the tensioning nut. The tensioning nut is arranged outside the tensioning support frame.

[0013] Furthermore, the swing saw frame is made of unequal angle steel.

[0014] Furthermore, two lifting guide sleeves are provided on both the front and rear sides of the lifting frame, each of the lifting guide sleeves cooperates with a lifting guide rod, and the setting direction of the lifting guide rod is parallel to the moving direction of the lifting frame.

[0015] Furthermore, the cutting machine also includes a frame base and two frames, the two frames are symmetrically arranged front and back, the frame base is arranged between the two frames, and the first driving device is installed on one of the frames through a swing system base.

[0016] Furthermore, the cutting machine also includes a support plate capable of placing the blank, and the support plate is slidably connected to the frame base via two slide rails.

[0017] Furthermore, the cutting machine also includes a controller, and the first driving device and the second driving device are both connected to the controller.

[0018] Compared with the prior art, the concrete cutting machine described in the present invention has the following advantages:

[0019] A concrete cutting machine described in the present invention comprises a swinging mechanism, a lifting mechanism, a saw blade fixing structure and one or more saw blade structures capable of cutting concrete. The swinging mechanism can realize the automated operation of the horizontal swinging action of the saw blade fixing structure; the lifting mechanism can realize the automated control of the height of the lifting frame, thereby controlling the height of the saw blade fixing structure; the overall use and operation process of the cutting machine greatly improves the production efficiency, reduces energy consumption, saves costs, and generates greater economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 A side view of a concrete cutting machine according to an embodiment of the present invention;

[0022] Figure 2 This is a front view of a concrete cutting machine according to an embodiment of the present invention;

[0023] Figure 3 A schematic diagram of a saw blade fixing structure in a concrete cutting machine according to an embodiment of the present invention;

[0024] Figure 4 A top view of a swing mechanism in a concrete cutting machine according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the combined structure of a lifting frame and a swing saw frame in a concrete cutting machine according to an embodiment of the present invention;

[0026] Figure 6 It is a schematic diagram of another angle of the combined structure of the lifting frame and the swing saw frame in the concrete cutting machine according to an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of a lifting mechanism in a concrete cutting machine according to an embodiment of the present invention;

[0028] Figure 8 It is a structural schematic diagram of another angle of a lifting mechanism structure in a concrete cutting machine according to an embodiment of the present invention;

[0029] Fig. 9 A schematic diagram of the internal structure of a transmission box in a concrete cutting machine according to an embodiment of the present invention;

[0030] Fig.10 This is a schematic structural diagram of a saw blade tensioning device in a concrete cutting machine according to an embodiment of the present invention;

[0031] Fig.11 The present invention is a schematic diagram of the combined structure of a saw blade and a saw blade tensioning device in a concrete cutting machine according to an embodiment of the present invention.

[0032] Description of reference numerals:

[0033] 1. First driving device; 2. Driving gear; 3. Transmission shaft; 4. Transmission connecting rod; 5. Eccentric wheel; 6. Lifting frame; 7. Swinging saw frame; 8. Saw blade tensioning device; 9. Support plate; 10. Slide rail; 11. Frame; 12. Guide rod; 13. Lifting transmission system base; 14. Lifting transmission box; 15. Lifting active gear; 16. Lifting passive gear; 17. Second driving device; 18. Lifting transmission screw; 19. Lifting transmission main shaft; 121. Lifting guide sleeve; 61. Saw blade; 62. Swinging system base; 71. Saw frame swinging guide shaft; 72. Swinging guide sleeve; 14A. First bearing seat; 14B. Second bearing seat; 140. Transmission box housing; 141. Transmission box passive gear; 142. Transmission box active gear; 143. Positioning screw. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0037] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0038] A concrete cutting machine, such as Figure 1 As shown, it includes a lifting mechanism, a swinging mechanism, a saw blade fixing structure and one or more saw blade structures capable of cutting concrete;

[0039] like Figure 4 As shown, the swing mechanism includes a first driving device 1, a driving gear 2, a transmission shaft 3, two eccentric wheels 5 and two transmission connecting rods 4. The output end of the first driving device 1 is connected to the driving gear 2, and the driving gear 2 drives the transmission shaft 3 to rotate through a chain. The two eccentric wheels 5 are symmetrically arranged at the left and right ends of the transmission shaft 3. Each eccentric wheel 5 is connected to the saw blade fixed structure through a transmission connecting rod 4. The swing mechanism can complete the automatic operation of the horizontal swing action of the saw blade fixed structure.

[0040] One or more saw blade structures are arranged on the saw blade fixing structure, and the lifting mechanism is slidably connected to the saw blade fixing structure. In this embodiment, there are 6 saw blade structures.

[0041] like Figure 7 , 8 As shown, the lifting mechanism includes a second driving device 17, a lifting frame 6, a lifting active gear 15, a lifting passive gear 16, a lifting transmission main shaft 19, two lifting transmission screws 18 and two lifting transmission boxes 14. The output end of the second driving device 17 is connected to the lifting active gear 15. The lifting active gear 15 drives the lifting transmission main shaft 19 to rotate through the lifting passive gear 16. The front and rear ends of the lifting transmission main shaft 19 are connected to a lifting transmission screw 18 through a lifting transmission box 14. The bottoms of the two lifting transmission screws 18 are connected to the lifting frame 6. The lifting frame 6 is slidably connected to the saw blade fixing structure. The lifting mechanism can realize automatic control of the height of the lifting frame 6, thereby controlling the height of the saw blade fixing structure.

[0042] In this embodiment, the lifting transmission box 14 includes a transmission box housing 140, a transmission box driving gear 142, and a transmission box passive gear 143. The transmission shaft 3 is connected to the transmission box passive gear 141 through the transmission box driving gear 142, and the transmission box passive gear 141 is connected to the lifting transmission screw 18. The transmission shaft 3 is connected to the transmission box housing 140 through the second bearing seat 14B, and the second bearing seat 14B is connected to the transmission box housing 140 through a positioning screw 143. The lifting transmission screw 18 is connected to the transmission box housing 140 through the first bearing seat 14A, and the first bearing seat 14A is connected to the transmission box housing 140 through a positioning screw 143. The transmission box driving gear 14B and the transmission box passive gear 14A are both arranged inside the transmission box housing 140.

[0043] like Figure 3As shown, the saw blade fixing structure includes two swinging saw frames 7 and two saw frame swinging guide shafts 71. The two swinging saw frames 7 are arranged in parallel, and one swinging saw frame 7 is connected to the other swinging saw frame 7 through two saw frame swinging guide shafts 71. The two saw frame swinging guide shafts 71 are slidably connected to the lifting frame 6. One or more saw blade structures are arranged on the two swinging saw frames 7, and each saw frame swinging guide shaft 71 is slidably connected to the lifting frame 6 through two swinging guide sleeves 72.

[0044] The saw blade structure includes a saw blade 61 and two saw blade tensioning devices 8. The front and rear ends of the saw blade 61 are connected to a swinging saw frame 7 through a saw blade tensioning device 8; the saw blade tensioning device 8 includes a tensioning support frame 81, a tensioning nut 82 and a tensioning screw 83. The tensioning support frame 81 is arranged inside the swinging saw frame 7. The tensioning screw 83 is connected to the saw blade 61 through a pin shaft 84. The pin shaft 84 is arranged inside the tensioning support frame 81. The tensioning screw 83 is threadedly connected to the tensioning nut 82. The tensioning nut 82 is arranged on the outside of the tensioning support frame 81. The saw blade tensioning device can facilitate the disassembly and assembly of the saw blade 61. In this embodiment, the swinging saw frame 7 is an unequal angle steel.

[0045] Two lifting guide sleeves 121 are provided on both the front and rear sides of the lifting frame 6. Each lifting guide sleeve 121 cooperates with a lifting guide rod 12. The setting direction of the lifting guide rod 12 is parallel to the moving direction of the lifting frame 6, thereby improving the stability of the lifting frame 6 during the lifting process.

[0046] like Figure 1 , 2 As shown, the cutting machine further includes a frame base and two frames 11, the two frames 11 are symmetrically arranged front and back, the frame base is arranged between the two frames 11, and the first driving device 1 is installed on one frame 11 through a swing system base 62. The cutting machine further includes a support plate 9 capable of placing a blank, and the support plate 9 is slidably connected to the frame base through two slide rails 10.

[0047] The cutting machine further comprises a controller, and the first driving device 1 and the second driving device 17 are both connected to the controller. In this embodiment, the first driving device 1 and the second driving device 17 are both existing motors, and the controller is an existing single chip microcomputer or an existing PLC.

[0048] How this example works

[0049] The blank in this embodiment is aerated concrete. First, the aerated concrete blank is placed on the support plate 9, and the second drive device 17 is started to adjust the height of the saw blade fixing structure through the lifting frame 6 in the lifting mechanism, so that the height of the saw blade 61 can be adjusted. Then, the first drive device 1 is started to drive the saw blade 61 to swing horizontally through the swing mechanism, so that the cutting of the aerated concrete blank can be completed. When the cutting machine completes the transverse cutting and longitudinal cutting of the aerated concrete blank, an aerated concrete block is formed.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete cutting machine, characterized in that: It includes a lifting mechanism, a swinging mechanism, a saw blade fixing structure and one or more saw blade structures capable of cutting concrete; The swing mechanism comprises a first driving device (1), a driving gear (2), a transmission shaft (3), two eccentric wheels (5) and two transmission connecting rods (4); the output end of the first driving device (1) is connected to the driving gear (2); the driving gear (2) drives the transmission shaft (3) to rotate via a chain; the two eccentric wheels (5) are symmetrically arranged at the left and right ends of the transmission shaft (3); each eccentric wheel (5) is connected to the saw blade fixing structure via one of the transmission connecting rods (4); and the swing mechanism can complete the horizontal swinging action of the saw blade fixing structure; One or more saw blade structures are arranged on the saw blade fixing structure, and the lifting mechanism is slidably connected to the saw blade fixing structure; The lifting mechanism comprises a second driving device (17), a lifting frame (6), a lifting active gear (15), a lifting passive gear (16), a lifting transmission main shaft (19), two lifting transmission lead screws (18) and two lifting transmission boxes (14); the output end of the second driving device (17) is connected to the lifting active gear (15); the lifting active gear (15) drives the lifting transmission main shaft (19) to rotate through the lifting passive gear (16); the front and rear ends of the lifting transmission main shaft (19) are connected to one of the lifting transmission lead screws (18) through one of the lifting transmission boxes (14); the bottoms of the two lifting transmission lead screws (18) are connected to the lifting frame (6); and the lifting frame (6) is slidably connected to the saw blade fixing structure; The saw blade fixing structure comprises two swing saw frames (7) and two saw frame swing guide shafts (71), the two swing saw frames (7) are arranged in parallel, one swing saw frame (7) is connected to the other swing saw frame (7) via the two saw frame swing guide shafts (71), the two saw frame swing guide shafts (71) are slidably connected to the lifting frame (6), and one or more saw blade structures are arranged on the two swing saw frames (7); Each of the saw frame swing guide shafts (71) is slidably connected to the lifting frame (6) via two swing guide sleeves (72); The saw blade structure comprises a saw blade (61) and two saw blade tensioning devices (8), and the front and rear ends of the saw blade (61) are connected to one of the swing saw frames (7) via one of the saw blade tensioning devices (8); The saw blade tensioning device (8) comprises a tensioning support frame (81), a tensioning nut (82) and a tensioning screw (83); the tensioning support frame (81) is arranged inside the swing saw frame (7); the tensioning screw (83) is connected to the saw blade (61) via a pin shaft (84); the pin shaft (84) is arranged inside the tensioning support frame (81); the tensioning screw (83) is threadedly connected to the tensioning nut (82); and the tensioning nut (82) is arranged outside the tensioning support frame (81).

2. A concrete cutting machine according to claim 1, characterized in that: The swing saw frame (7) is an unequal angle steel.

3. A concrete cutting machine according to claim 2, characterized in that: Two lifting guide sleeves (121) are provided on both the front and rear sides of the lifting frame (6), and each of the lifting guide sleeves (121) cooperates with a lifting guide rod (12). The setting direction of the lifting guide rod (12) is parallel to the moving direction of the lifting frame (6).

4. A concrete cutting machine according to claim 3, characterized in that: The cutting machine further comprises a frame base and two frames (11), wherein the two frames (11) are symmetrically arranged front and back, the frame base is arranged between the two frames (11), and the first driving device (1) is installed on one of the frames (11) via a swing system base (62).

5. A concrete cutting machine according to claim 4, characterized in that: The cutting machine also includes a support plate (9) capable of placing the blank, and the support plate (9) is slidably connected to the frame base via two slide rails (10).

6. A concrete cutting machine according to any one of claims 3 to 5, characterized in that: The cutting machine further comprises a controller, and the first drive device (1) and the second drive device (17) are both connected to the controller.

Images