350 belt transmission multi-disc type trimming and grinding machine

Abstract

The utility model belongs to the field of grinding machines, and provides a 350 belt transmission multi-disc type trimming and grinding machine which comprises a transmission box, a motor, an electric control box, a walking mechanism, a hand-held mechanism, a transmission mechanism and a grinding mechanism, and the transmission mechanism comprises a driving grinding belt wheel, a center driven grinding belt wheel and four angular orientation grinding belt wheels. The driving grinding belt wheel, the center driven grinding belt wheel and the four angular direction grinding belt wheels are in transmission fit through a belt and rotate in a three-positive and three-negative mode, a first mounting frame is arranged on the motor, a balance weight vertical shaft and a first balance weight transverse shaft are arranged at the top of the first mounting frame, and a second mounting frame is arranged on the handheld mechanism. The two sides of the second installation frame are each provided with a second balance weight transverse shaft, and the balance weight vertical shaft, the first balance weight transverse shaft and the second balance weight transverse shaft are all used for installing balance weights. The device is reasonable in design and high in grinding rotating speed, is provided with a multi-node counterweight mounting structure, is beneficial to improving the grinding efficiency, and is suitable for large-scale popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of grinding machine, especially relates to a 350 belt drive multi-disc edge trimming grinding machine. BACKGROUND

[0002] The grinding machine typically comprises a frame and a grinding disc with a grinding cutter, a motor arranged on the frame, a transmission mechanism for outputting power to the grinding disc, and a walking mechanism in contact with the ground, and a hand-held mechanism is further arranged on the rear side of the frame for pushing and moving the device along the ground.

[0003] Because the traditional grinding machine and some grinding machines now have the problems of heavy weight, not easy to move, the grinding disc and the transmission shaft are easily damaged, the oil seal is easily worn, and there is the problem of oil leakage, the applicant previously applied for CN220516274U to propose a belt drive multi-disc edge trimming grinding machine. However, in view of the different grinding conditions faced by the grinding machine in actual application, other designs also need to be adopted, such as one needs to improve the grinding speed, a speed reduction transmission design is adopted on the transmission path of the motor and the grinding shaft, the actual grinding speed of the grinding machine is reduced, and the high grinding speed requirement cannot be met; secondly, the grinding machine can be installed with a counterweight structure to meet the pressure and balance requirements of different grinding conditions, but the installation node design is not determined, and the installation node needs to be diversified to meet different pressure requirements; thirdly, the rotation state of the grinding disc is mainly 4 positive and 2 negative and 5 positive and 1 negative, and the grinding effect needs to be improved. SUMMARY

[0004] The utility model proposes a 350 belt drive multi-disc edge trimming grinding machine with reasonable design, simple structure, high grinding speed, multi-node counterweight installation structure, and high grinding efficiency.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: The 350 belt-driven multi-disc trimming and grinding machine provided by this utility model includes a transmission box. A motor and an electrical control box are located on the top of the transmission box. A walking mechanism and a hand-held mechanism are located on the rear side of the transmission box. A transmission mechanism is located inside the transmission box. The transmission mechanism includes six grinding pulleys. A grinding mechanism coaxially connected to the bottom of each grinding pulley is provided. The grinding mechanism includes a cutter holder, a cutter disc, and multiple evenly distributed blades. The six grinding pulleys include one driving grinding pulley connected to the motor via a spline. The driving grinding pulley has a centrally driven grinding pulley located on the same neutral plane as it in the transmission direction. The grinding pulleys include four angular grinding pulleys located near the corners of the transmission box on both sides of the active grinding pulley and the central driven grinding pulley. The active grinding pulley, the central driven grinding pulley, and the four angular grinding pulleys are connected by belt drive and rotate in a 3-forward, 3-reverse pattern. The motor is equipped with a first mounting bracket, which is a gate-shaped structure connected to the motor. A counterweight vertical shaft is provided on the top of the first mounting bracket, and first counterweight horizontal shafts are provided on both sides of the first mounting bracket. The handrail mechanism is equipped with a second mounting bracket, and second counterweight horizontal shafts are provided on both sides of the second mounting bracket. The counterweight vertical shaft, the first counterweight horizontal shaft, and the second counterweight horizontal shaft are all used to install counterweights.

[0006] Preferably, the transmission mechanism further includes two reversing pulleys symmetrically distributed about the driving grinding pulley, namely reversing pulley #1 and reversing pulley #2, and four angular grinding pulleys namely angular grinding pulley #1, angular grinding pulley #2, angular grinding pulley #3 and angular grinding pulley #4. The belt engages with the driving grinding pulley in a C-shape and extends towards angular grinding pulley #1. The transmission path of the belt passes sequentially through the outer side of angular grinding pulley #1, the outer side of angular grinding pulley #2, the inner side of reversing pulley #2, the inner side of angular grinding pulley #3, the outer side of the central driven grinding pulley, the inner side of angular grinding pulley #4, and the outer side of reversing pulley #1.

[0007] Preferably, the second mounting bracket includes a square groove tube, which is nested with the side of the handrail mechanism. The handrail mechanism is provided with a positioning shaft that is axially connected to the square groove tube. The two ends of the positioning shaft are provided with clamps. The square groove tube and the handrail mechanism are provided with a plurality of vertically spaced positioning holes. The second counterweight horizontal shaft is axially connected to the positioning holes.

[0008] Preferably, the transmission box has a rectangular shell structure, and the side of the transmission box is provided with a U-shaped impact-resistant shell.

[0009] As preferred, the section of the impact-resistant shell is triangular and comprises an upper inclined wall and a lower inclined wall, the end of the upper inclined wall is in sliding fit with the end of the lower inclined wall, and a plurality of reset pull holes are arranged on the upper inclined wall and the lower inclined wall.

[0010] Compared with the prior art, the utility model has the advantages and positive effects that:

[0011] 1、 the 350 belt drive multi-disc type trimming grinding machine provided by the utility model adopts direct connection driving of motor and transmission mechanism, reduces the speed reduction mechanism, can guarantee that the transmission mechanism and the grinding mechanism have high grinding rotation speed, and the transmission mechanism adopts 3 positive 3 reverse transmission design, which is beneficial to improve the grinding efficiency; the first mounting frame and the second mounting frame can be used to install counterweights from multiple directions, which can be used to balance the pressure of the device during grinding, and improve the grinding effect. The device has the advantages of reasonable design, high grinding rotation speed, multi-node counterweight mounting structure and improved grinding efficiency, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 The axial view of the 350 belt drive multi-disc type trimming grinding machine provided for the embodiment;

[0014] Figure 2 The front view of the 350 belt drive multi-disc type trimming grinding machine provided for the embodiment;

[0015] Figure 3 The Figure 2 The sectional view of the 350 belt drive multi-disc type trimming grinding machine in G-G direction;

[0016] Figure 4 The distribution schematic diagram of the transmission mechanism in the transmission box provided for the embodiment;

[0017] Figure 5 The transmission diagram of the transmission mechanism in the transmission box provided for the embodiment;

[0018] Figure 6 The axial view of the second mounting frame provided for the embodiment;

[0019] Figure 7 The axial view of the driving grinding pulley provided for the embodiment;

[0020] In the above figures, 1. Transmission box; 2. Motor; 3. Electrical control box; 4. Walking mechanism; 5. Transmission mechanism; 51. Active grinding pulley; 52. Central driven grinding pulley; 53. Grinding pulley #1 at angle; 54. Grinding pulley #2 at angle; 55. Grinding pulley #3 at angle; 56. Grinding pulley #4 at angle; 57. Reversing pulley #1; 58. Reversing pulley #2; 59. Belt; 6. Grinding mechanism; 61. Tool holder; 62. Tool disc; 63. Blade; 7. First mounting bracket; 8. Counterweight vertical shaft; 9. First counterweight horizontal shaft; 10. Second mounting bracket; 101. Square groove tube; 102. Positioning shaft; 103. Clamp; 104. Positioning hole; 11. Second counterweight horizontal shaft; 12. Impact-resistant shell; 121. Upper inclined wall; 122. Lower inclined wall; 123. Reset pull hole. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Examples, such as Figures 1-7 As shown, the 350 belt-driven multi-disc edge-trimming and grinding machine provided by this utility model includes a transmission box 1. A motor 2 and an electrical control box 3 are mounted on the top of the transmission box 1. A walking mechanism 4 and a hand-holding mechanism are mounted on the rear side of the transmission box 1. A transmission mechanism 5 is installed inside the transmission box 1. The transmission mechanism 5 includes six grinding pulleys. A grinding mechanism 6, coaxially connected to the bottom of each grinding pulley, is mounted on the bottom of the pulleys. The grinding mechanism 6 includes a cutter holder 61, a cutter disc 62, and multiple evenly distributed blades 63. If this equipment is used for home floor grinding, a single-phase voltage motor 2 can be used. The electrical control box 3, walking mechanism 4, and hand-holding mechanism are existing mature technologies and will not be described in detail here. Since the transmission mechanism 5 and the grinding mechanism 6 directly affect the grinding efficiency of this equipment, this utility model focuses on proposing beneficial improvements to the transmission mechanism 5 and the grinding mechanism 6.

[0024] Specifically, the six grinding pulleys include one driving grinding pulley 51 connected with the motor 2 through a spline, the driving grinding pulley 51 is provided with one central driven grinding pulley 52 in the same neutral plane direction, four corner orientation grinding pulleys are arranged on both sides of the driving grinding pulley 51 and the central driven grinding pulley 52 and are distributed close to the corners of the transmission box 1, the driving grinding pulley 51, the central driven grinding pulley 52 and the four corner orientation grinding pulleys are driven and matched through the belt 59 and rotate in the form of three positive and three reverse, the motor 2 is provided with the first mounting frame 7, the first mounting frame 7 is connected with the motor 2 in a door type structure, the top of the first mounting frame 7 is provided with a counterweight vertical shaft 8, both sides of the first mounting frame 7 are provided with first counterweight horizontal shafts 9, the hand-held mechanism is provided with the second mounting frame 10, both sides of the second mounting frame 10 are provided with second counterweight horizontal shafts 11, and the counterweight vertical shaft 8, the first counterweight horizontal shafts 9 and the second counterweight horizontal shafts 11 are used to install counterweights.

[0025] In the device, the six grinding pulleys in the transmission mechanism 5 are driven through the belt 59, without the risk of oil leakage, and can be applied to high-end ground grinding operations, and each grinding pulley adopts a single cantilever shaft structure, which is more convenient to install and more convenient and fast to replace the belt 59; the motor 2 is directly connected and driven with the transmission mechanism 5, reducing the speed reduction mechanism, which can ensure that the transmission mechanism 5 and the grinding mechanism 6 have a high grinding speed, and the transmission mechanism 5 adopts a 3 positive and 3 reverse transmission design, which has higher grinding efficiency and more smooth grinding, so as to ensure the grinding effect and improve the grinding efficiency; the first mounting frame 7 and the second mounting frame 10 can install counterweights from multiple directions, increase the detachable counterweights, adapt to different ground conditions, balance the pressure of the device during grinding, ensure the grinding quality, and improve the utilization rate of the device under different operation requirements.

[0026] In order to improve the grinding quality of the device, the transmission mechanism 5 further comprises two reversing pulleys symmetrically distributed about the driving grinding pulley 51, which are 1# reversing pulley 57 and 2# reversing pulley 58 respectively, four angular orientation grinding pulleys, which are 1# angular orientation grinding pulley 53, 2# angular orientation grinding pulley 54, 3# angular orientation grinding pulley 55 and 4# angular orientation grinding pulley 56 respectively, and the belt 59 is in C-shaped meshing transmission with the driving grinding pulley 51 and extends to the 1# angular orientation grinding pulley, the transmission path of the belt 59 sequentially passes through the outer side of the 1# angular orientation grinding pulley, the outer side of the 2# angular orientation grinding pulley, the inner side of the 2# reversing pulley 58, the inner side of the 3# angular orientation grinding pulley, the outer side of the center driven grinding pulley 52, the inner side of the 4# angular orientation grinding pulley and the outer side of the 1# reversing pulley 57. Among them, the driving grinding pulley 51, the 1# angular orientation grinding pulley and the 2# angular orientation grinding pulley are in triangular distribution, the center driven grinding pulley 52, the 3# angular orientation grinding pulley and the 4# angular orientation grinding pulley are also in triangular distribution, through the transmission relationship of the belt 59, the grinding directions of the 1# angular orientation grinding pulley, the 2# angular orientation grinding pulley and the center driven grinding pulley 52 are consistent, and the grinding directions of the driving grinding pulley 51, the 3# angular orientation grinding pulley and the 4# angular orientation grinding pulley are consistent. In this way, there are two different rotation directions in the same triangular relationship, and the 6 grinding pulleys are in 3 positive and 3 reverse transmission design, which is beneficial to ensure that the 6 grinding mechanisms 6 on the same grinding plane have better grinding flatness and is beneficial to improve the grinding efficiency of synchronous grinding of all grinding mechanisms 6.

[0027] In order to improve the installation selectivity of the counterweight, the second mounting frame 10 comprises a 1# square groove pipe 101, the 1# square groove pipe 101 is nested with the side surface of the hand holding mechanism, a positioning shaft 102 is arranged on the hand holding mechanism and is connected with the 1# square groove pipe 101 in a shaft connection mode, a ring groove is arranged on the positioning shaft 102 at positions close to the two ends of the positioning shaft 102, and a clamp 103 is arranged in the ring groove and is used for mounting. The clamp 103 plays a role in limiting the transverse movement range of the positioning shaft, a plurality of vertically and spaced apart positioning holes 104 are arranged on the 1# square groove pipe 101 and the hand holding mechanism, and the second counterweight horizontal shaft 11 is connected with the positioning holes 104 in a shaft connection mode. Among them, the hand holding mechanism comprises a rear axle connected with the transmission box 1, a vertical square pipe is arranged on the rear axle, a rotatable handrail is arranged on the top of the square pipe, and a handle is arranged on the top of the handrail. The side surface of the 1# square groove pipe 101 is slotted, the slotted position is clamped with the square pipe, the first positioning is realized through the positioning shaft 102, the shaft end of the second counterweight horizontal shaft 11 is connected with the positioning holes 104 on the 1# square groove pipe 101 and the hand holding mechanism, thereby realizing the second positioning, on the one hand, the 1# square groove pipe 101 is fixed, and on the other hand, the second counterweight horizontal shaft 11 has a plurality of selectable positions in the vertical direction, which is beneficial to improve the rationality of the installation of the counterweight of the device.

[0028] In view of the fact that the grinding mechanism 6 may collide with surrounding objects after lifting the ground clearance of the transmission case 1, the transmission case 1 is provided in a rectangular shell structure, and the side of the transmission case 1 is provided with a back-shaped impact-resistant shell 12. The impact-resistant shell 12 provides a certain buffer, which is conducive to ensuring the durability of the transmission case 1 and the connection reliability of the internal transmission mechanism 5. Specifically, the cross section of the impact-resistant shell 12 is triangular and includes an upper inclined wall 121 and a lower inclined wall 122. The end of the upper inclined wall 121 is in sliding fit with the end of the lower inclined wall 122, and a plurality of reset pull holes 123 are arranged on the upper inclined wall 121 and the lower inclined wall 122. In this way, the upper inclined wall 121 and the lower inclined wall 122 can slide along the inclined surface of the other when colliding, and can be automatically and quickly reset when the collision force is within the bearing range of the impact-resistant shell 12. When the impact-resistant shell 12 is exceeded, corresponding deformation can occur, and the reset pull hole 123 is installed on the tension tool, and the upper inclined wall 121 and the lower inclined wall 122 can be basically restored to the previous shape by being pulled outward.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall still fall within the protection scope of the present application.

Claims

1. A 350 belt drive multi-disc trimming grinder, comprising a transmission box, the top of the transmission box is provided with a motor and an electric control box, the rear side of the transmission box is provided with a walking mechanism and a hand holding mechanism, the inside of the transmission box is provided with a transmission mechanism, the transmission mechanism comprises six grinding pulleys, the bottom of the grinding pulleys is provided with a grinding mechanism coaxially connected therewith, the grinding mechanism comprises a tool holder, a tool disc and a plurality of uniformly distributed blades, characterized in that, 6 grinding belt wheels include a driving grinding belt wheel connected with the motor through spline, the driving direction of the driving grinding belt wheel is provided with a central driven grinding belt wheel in the same neutral plane direction, the two sides of the driving grinding belt wheel and the central driven grinding belt wheel are provided with four angle orientation grinding belt wheels distributed near the corner position of the transmission box, the driving grinding belt wheel, the central driven grinding belt wheel and the four angle orientation grinding belt wheels are matched through belt transmission and the rotation form is 3 positive and 3 reverse, the motor is provided with a first mounting frame, the first mounting frame is connected with the motor in a door type structure, the top of the first mounting frame is provided with a counterweight vertical shaft, the two sides of the first mounting frame are provided with first counterweight horizontal shafts, the hand-held mechanism is provided with a second mounting frame, the two sides of the second mounting frame are provided with second counterweight horizontal shafts, and the counterweight vertical shaft, the first counterweight horizontal shaft and the second counterweight horizontal shaft are used to install counterweights.

2. The 350-belt-driven multi-disk trim-sanding machine of claim 1, wherein, The transmission mechanism further comprises two reversing pulleys symmetrically distributed about the driving grinding belt wheel and respectively 1# reversing pulley and 2# reversing pulley, four angle orientation grinding belt wheels are respectively 1# angle orientation grinding belt wheel, 2# angle orientation grinding belt wheel, 3# angle orientation grinding belt wheel and 4# angle orientation grinding belt wheel, the belt is in C-shaped engagement transmission with the driving grinding belt wheel and extends to the 1# angle orientation grinding belt wheel, and the transmission path of the belt sequentially passes through the outer side of the 1# angle orientation grinding belt wheel, the outer side of the 2# angle orientation grinding belt wheel, the inner side of the 2# reversing pulley, the inner side of the 3# angle orientation grinding belt wheel, the outer side of the central driven grinding belt wheel, the inner side of the 4# angle orientation grinding belt wheel and the outer side of the 1# reversing pulley.

3. The 350-belt-driven multi-disk trim-sanding machine of claim 2, wherein, The second mounting frame comprises a square groove pipe, the square groove pipe is nested with the side surface of the hand-held mechanism, a positioning shaft is arranged on the hand-held mechanism and is in shaft connection with the square groove pipe, clamps are arranged at the two ends of the positioning shaft, a plurality of vertically spaced positioning holes are arranged on the square groove pipe and the hand-held mechanism, and the second counterweight horizontal shaft is in shaft connection with the positioning hole.

4. The 350 belt drive multi-disk trim sander of claims 1 or 3, wherein, The transmission box is a rectangular shell structure, and the side surface of the transmission box is provided with a back-shaped impact-resistant shell.

5. The 350-belt-driven multi-disk trim-sanding machine of claim 4, wherein, The section of the impact-resistant shell is in triangular structure and comprises an upper inclined wall and a lower inclined wall, the end of the upper inclined wall is in sliding connection with the end of the lower inclined wall, and a plurality of reset pull holes are arranged on the upper inclined wall and the lower inclined wall.

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