Stone drilling machine with high safety

Abstract

The utility model relates to the technical field of drilling equipment, in particular to a high-safety stone drilling machine which comprises a base, a power mechanism, a clamping mechanism and a chuck, the power mechanism is installed on the base and comprises a motor, an adjusting rod and a main shaft, the main shaft is connected with an output shaft of the motor, and the adjusting rod is connected with the middle of the main shaft; the clamping mechanism comprises a chuck, the chuck is connected with the lower end of the main shaft, the power mechanism further comprises a first air cylinder and a first connecting block, two air holes of the first air cylinder are opened, one end of the first connecting block is hinged to a telescopic rod of the first air cylinder, and the other end of the first connecting block is arranged on the adjusting rod in a sleeving mode; the clamping mechanism further comprises two parallel guide rods, a top plate, a second air cylinder and a bottom plate, the tops of the guide rods are connected with the top plate, the bottoms of the guide rods are connected with the bottom plate, the second air cylinder is arranged at the top of the power mechanism, a telescopic rod of the second air cylinder is connected with the top plate, and the chuck is connected with the bottom plate. According to the drilling machine, potential safety hazards caused by falling of the main shaft and the chuck can be avoided, and the safety of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling equipment, in particular to a stone drilling machine with high safety. Background Art

[0002] A drilling machine is a general term for equipment that uses a drill bit to leave a cylindrical hole on a target object by means of rotary cutting or rotary extrusion. A drilling machine includes a motor that provides rotary power, a spindle connected to the motor, a chuck installed at the bottom of the spindle to fix the drill bit, and an adjustment mechanism that can control the lifting and lowering of the spindle. During use, if the spindle or chuck falls off, accidents are likely to occur. If it is a manual drilling machine, it is easy to cause a risk of being smashed. Especially in the process of drilling holes in stone, since the material of stone is relatively uneven compared to metal, it is easy to get stuck, which is more likely to cause the spindle or chuck to fall off.

[0003] The existing technology mostly installs a protective cover on the outside of the equipment to ensure safety. The invention patent with the authorization announcement number CN 111069661B discloses a special movable mechanism for a drilling machine, which improves the fixing performance and stability and safety of the equipment by setting a buffer plate at the bottom of the hydraulic cylinder.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the prior art: 1. The setting of the protective cover cannot hinder the operation of the equipment, the range in which the protective cover can be set is limited, and the safety hazard of the spindle or chuck falling off cannot be solved by setting the protective cover; 2. The idea of ​​setting a buffer can reduce accident damage, but there is no specific executable plan for the drilling machine. Summary of the invention

[0005] The utility model aims at the deficiencies of the prior art and develops a stone drilling machine with high safety. The drilling machine can solve the potential safety hazard caused by the falling off of the main shaft and the chuck, and improves the safety of the equipment.

[0006] The technical solution of the utility model to solve the technical problem is as follows: the embodiment of the utility model provides a stone drilling machine with high safety, including a base, a power mechanism, a clamping mechanism, and a chuck. The power mechanism is installed on the base, the power mechanism includes a motor, an adjusting rod, and a main shaft. The main shaft is connected to the output shaft of the motor, and the adjusting rod is connected to the middle part of the main shaft; the clamping mechanism includes a chuck, and the chuck is connected to the lower end of the main shaft. The power mechanism also includes a cylinder one and a connecting block one. The two air holes of the cylinder one are open, one end of the connecting block one is hinged to the telescopic rod of the cylinder one, and the other end is sleeved on the adjusting rod; the clamping mechanism also includes a guide rod, a top plate, a cylinder two, and a bottom plate. Two parallel guide rods are arranged, the top of the guide rod is connected to the top plate, and the bottom is connected to the bottom plate. The cylinder two is arranged at the top of the power mechanism, the telescopic rod of the cylinder two is connected to the top plate, and the chuck is connected to the bottom plate.

[0007] As an optimization, the clamping mechanism also includes connecting rod two, side blocks, connecting block two, and cylinder three. A side block is respectively arranged on both sides of the middle part of connecting rod two, the middle part of connecting rod two is hinged to the side block, one end of connecting rod two is hinged to the chuck, and the other end is connected to the telescopic rod of cylinder three through connecting block two, one end of connecting block two is hinged to the telescopic rod of cylinder three, and the other end is sleeved on connecting rod two.

[0008] As an optimization, an annular groove is provided on the side of the chuck, the end of the second connecting rod is U-shaped, and a spring pin is provided on both sides of the U-shaped end, and the spring pin is inserted into the groove on the side of the chuck. The spring pin can slide in the groove on the side of the chuck, thereby driving the chuck to move.

[0009] As an optimization, a long hole is set in the middle of the connecting rod 2, and the side block is connected to the long hole in the middle of the connecting rod 2 through a rotating shaft.

[0010] As an optimization, the power mechanism also includes a column, a driving wheel, a belt, a driven wheel, and a steering wheel. The motor is fixed on the side of the column, the driving wheel is installed on the output shaft of the motor, the steering wheel is installed on the column through a rotating shaft, two driven wheels are arranged on the main shaft, and the driven wheel is connected to the main shaft through a spline. The two ends of the belt are respectively connected to the driving wheel and the steering wheel, and the middle of the belt is respectively connected to the two driven wheels.

[0011] As an optimization, the power mechanism also includes an upper plate, a bottom sleeve, a connecting rod 1, an intermediate sleeve, a top sleeve, and a lower plate. The upper plate and the lower plate are arranged in parallel and spaced apart on the side of the column. The top sleeve and the bottom sleeve are respectively installed on the upper plate and the lower plate. The upper end and the lower end of the main shaft are respectively installed in the top sleeve and the bottom sleeve through bearings. The two driven wheels are respectively connected to the top sleeve and the bottom sleeve through bearings. The intermediate sleeve is arranged in the middle of the main shaft, one end of the connecting rod 1 is hinged to the column, and the other end is connected to the adjusting rod. The middle part of the connecting rod 1 is hinged to the intermediate sleeve, and the cylinder 1 is installed on the top of the upper plate.

[0012] As an optimization, protective covers are also provided on the outer sides of the driving wheel, belt, driven wheel and steering wheel.

[0013] As an optimization, a guide plate is further provided below the lower plate, a guide hole is provided on the guide plate, and the guide rod passes through the guide plate.

[0014] As an optimization, the drilling machine further comprises a clamp, which is arranged just below the chuck on the base and is used to clamp the stone to be processed.

[0015] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0016] 1. Turning the adjustment rod can control the lifting and lowering of the spindle, thereby controlling the height of the chuck, so as to adjust the depth of the drill bit. By setting cylinder 1 and connecting block 1, when the spindle falls off, the adjustment rod will fall with it, and cylinder 1 can play a buffering role, slowing down the falling speed to avoid hitting people; when the chuck is lifted or lowered, it will drive the bottom plate, guide rod, and top plate to lift or lower, and at the same time, the telescopic rod of cylinder 2 will follow the movement. When the chuck falls off, cylinder 2 can reduce the falling speed of the chuck. This drilling machine can solve the safety hazards caused by the falling of the spindle and chuck, and improve the safety of the equipment. When the chuck is lifted or lowered, it will drive the connecting rod 2 to move, and at the same time, the telescopic rod of cylinder 3 will move with it. When the chuck falls off, cylinder 3 can reduce the falling speed of the chuck to avoid falling and hitting people.

[0017] 2. The rotation of the motor can drive the driving wheel, belt, steering wheel, and driven wheel to rotate. Because the driven wheel and the main shaft are connected by splines, the main shaft will also rotate, and the main shaft can move up and down along the splines. The up and down swinging adjustment rod can drive the connecting rod to swing, thereby driving the main shaft to move up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of an embodiment of the utility model.

[0019] Figure 2 It is a left view of an embodiment of the utility model.

[0020] Figure 3 It is a three-dimensional diagram of an embodiment of the utility model.

[0021] Figure 4 It is a stereoscopic view of the power mechanism part of an embodiment of the utility model from the upper left side of the front side.

[0022] Figure 5 It is a stereoscopic view of the power mechanism part of an embodiment of the utility model from the upper right side of the front side.

[0023] Figure 6 It is a stereoscopic diagram of the power mechanism and the clamping mechanism of one embodiment of the utility model.

[0024] Figure 7 It is a three-dimensional diagram of the clamping mechanism part of an embodiment of the utility model.

[0025] Figure 8 for Figure 7 A partial enlarged view of area A.

[0026] Among them: base 1, power mechanism 2, fixture 3, clamping mechanism 4, column 21, upper plate 22, motor 23, driving wheel 24, bottom sleeve 25, adjusting rod 26, cylinder 1 27, connecting block 1 28, belt 29, driven wheel 210, connecting rod 1 211, main shaft 212, middle sleeve 213, top sleeve 214, lower plate 215, protective cover 216, steering wheel 217, guide plate 218, chuck 41, guide rod 42, top plate 43, cylinder 2 44, bottom plate 45, connecting rod 2 46, side block 47, connecting block 2 48, cylinder 3 49, spring pin 410. DETAILED DESCRIPTION

[0027] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0028] Figures 1 to 8 An embodiment of the present utility model is as follows: Figure 3 As shown, a stone drilling machine with high safety includes a base 1, a power mechanism 2, and a clamping mechanism 4. The power mechanism 2 is installed on the base 1. The drilling machine also includes a clamp 3, which is arranged directly below the chuck 41 on the base 1. The clamp 3 is used to clamp the stone to be processed.

[0029] like Figure 4 , Figure 5 As shown, the power mechanism 2 includes a motor 23, an adjusting rod 26, and a main shaft 212, wherein the main shaft 212 is connected to the output shaft of the motor 23, and the adjusting rod 26 is connected to the middle of the main shaft 212; the clamping mechanism 4 includes a chuck 41, and the chuck 41 is connected to the lower end of the main shaft 212; the power mechanism 2 also includes a cylinder 27 and a connecting block 28, wherein the two air holes of the cylinder 27 are open, one end of the connecting block 28 is hinged to the telescopic rod of the cylinder 27, and the other end is sleeved on the adjusting rod 26; the power mechanism 2 also ... chuck 41, and the chuck 41 is connected to the lower end of the main shaft 212; the power mechanism 2 also includes a chuck 41, and the chuck 41 is connected to the lower end of the main shaft 212; the power mechanism 2 also includes a chuck 41, and the chuck 41 is connected to the lower end of the main shaft 212; the power mechanism 2 also includes a chuck 41, and the chuck 41 is connected to the lower end of the main shaft 212; the power mechanism 2 also includes a chuck 41, and the chuck 41 is connected to The utility model comprises a column 21, a driving wheel 24, a belt 29, a driven wheel 210, and a steering wheel 217. The motor 23 is fixed on the side of the column 21. The driving wheel 24 is mounted on the output shaft of the motor 23. The steering wheel 217 is mounted on the column 21 through a rotating shaft. Two driven wheels 210 are arranged on the main shaft 212. The driven wheel 210 and the main shaft 212 are connected by a spline. The two ends of the belt 29 are respectively connected to the driving wheel 24 and the steering wheel 217. The middle part of the belt 29 is respectively connected to two driven wheels 210. The rotation of the motor 23 can drive the driving wheel 24, the belt 29, the steering wheel 217, and the driven wheel 210 to rotate. Since the driven wheel 210 and the main shaft 212 are connected by a spline, the main shaft 212 will also rotate accordingly. At the same time, the main shaft 212 can move up and down along the spline.

[0030] The power mechanism 2 also includes an upper plate 22, a bottom sleeve 25, a connecting rod 211, an intermediate sleeve 213, a top sleeve 214, and a lower plate 215. The upper plate 22 and the lower plate 215 are arranged in parallel and spaced apart on the side of the column 21. The top sleeve 214 and the bottom sleeve 25 are respectively installed on the upper plate 22 and the lower plate 215. The upper end and the lower end of the main shaft 212 are respectively installed in the top sleeve 214 and the bottom sleeve 25 through bearings. The two driven wheels 210 are respectively connected to the top sleeve 214 and the bottom sleeve 25 through bearings. The intermediate sleeve 213 is arranged in the middle of the main shaft 212. One end of the connecting rod 211 is hinged to the column 21 and the other end is connected to the adjusting rod 26. The middle part of the connecting rod 211 is hinged to the intermediate sleeve 213. The cylinder 27 is installed on the top of the upper plate 22. The up and down swing adjusting rod 26 can drive the connecting rod 211 to swing, thereby driving the main shaft 212 to move up and down.

[0031] A protective cover 216 is also provided on the outer sides of the driving wheel 24, the belt 29, the driven wheel 210 and the steering wheel 217. A guide plate 218 is also provided below the lower plate 215, and a guide hole is provided on the guide plate 218, through which the guide rod 42 passes.

[0032] like Figure 7 As shown, the clamping mechanism 4 also includes a guide rod 42, a top plate 43, a second cylinder 44, and a bottom plate 45. Two parallel guide rods 42 are provided, the top of the guide rod 42 is connected to the top plate 43, and the bottom is connected to the bottom plate 45. The second cylinder 44 is provided at the top of the power mechanism 2, the telescopic rod of the second cylinder 44 is connected to the top plate 43, and the clamp 41 is connected to the bottom plate 45. The clamping mechanism 4 also includes a second connecting rod 46, a side block 47, a second connecting block 48, and a third cylinder 49. A side block 47 is provided on both sides of the middle of the second connecting rod 46, the middle of the second connecting rod 46 is hinged to the side block 47, one end of the second connecting rod 46 is hinged to the clamp 41, and the other end is connected to the telescopic rod of the third cylinder 49 through the second connecting block 48, one end of the second connecting block 48 is hinged to the telescopic rod of the third cylinder 49, and the other end is sleeved on the second connecting rod 46. A long hole is arranged in the middle of the second connecting rod 46, and the side block 47 is connected to the long hole in the middle of the second connecting rod 46 through a rotating shaft. When the chuck 41 is raised or lowered, the second connecting rod 46 is driven to move, and the telescopic rod of the third cylinder 49 moves accordingly. When the chuck 41 falls off, the third cylinder 49 can reduce the falling speed of the chuck 41 to prevent it from falling and hitting people.

[0033] The adjusting rod 26 can be rotated to control the lifting and lowering of the main shaft 212, thereby controlling the height of the chuck 41, so as to adjust the depth of the drill bit. By setting the cylinder 1 27 and the connecting block 1 28, when the main shaft 212 falls off, the adjusting rod 26 will fall down with it, and the cylinder 1 27 can play a buffering role, slowing down the falling speed to avoid hitting people; when the chuck 41 rises and falls, it will drive the bottom plate 45, the guide rod 42, and the top plate 43 to rise and fall, and at the same time, the telescopic rod of the cylinder 2 44 follows the movement. When the chuck 41 falls off, the cylinder 2 44 can reduce the falling speed of the chuck 41. The drilling machine can solve the safety hazards caused by the falling of the main shaft and the chuck, and improve the safety of the equipment.

[0034] like Figure 8 As shown, an annular groove is provided on the side of the chuck 41, the end of the connecting rod 46 is U-shaped, and a spring pin 410 is provided on both sides of the U-shaped end, and the spring pin 410 is inserted into the groove on the side of the chuck 41. The spring pin 410 can slide in the groove on the side of the chuck 41, thereby driving the chuck 41 to move.

[0035] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A stone drilling machine with high safety, comprising a base (1), a power mechanism (2), and a clamping mechanism (4), wherein the power mechanism (2) is mounted on the base (1), the power mechanism (2) comprises a motor (23), an adjusting rod (26), and a spindle (212), the spindle (212) is connected to the output shaft of the motor (23), and the adjusting rod (26) is connected to the middle part of the spindle (212); the clamping mechanism (4) comprises a chuck (41), and the chuck (41) is connected to the lower end of the spindle (212), wherein: The power mechanism (2) further comprises a cylinder (27) and a connecting block (28), wherein two air holes of the cylinder (27) are open, one end of the connecting block (28) is hinged to the telescopic rod of the cylinder (27), and the other end is sleeved on the adjusting rod (26); the clamping mechanism (4) further comprises a guide rod (42), a top plate (43), a cylinder (44), and a bottom plate (45), wherein two parallel guide rods (42) are arranged, the top of the guide rod (42) is connected to the top plate (43), and the bottom is connected to the bottom plate (45), the cylinder (44) is arranged at the top of the power mechanism (2), the telescopic rod of the cylinder (44) is connected to the top plate (43), and the clamp (41) is connected to the bottom plate (45).

2. A stone drilling machine with high safety according to claim 1, characterized in that: The clamping mechanism (4) also includes a second connecting rod (46), a side block (47), a second connecting block (48), and a third cylinder (49). A side block (47) is respectively arranged on both sides of the middle part of the second connecting rod (46). The middle part of the second connecting rod (46) is hinged to the side block (47). One end of the second connecting rod (46) is hinged to the clamp (41), and the other end is connected to the telescopic rod of the third cylinder (49) through the second connecting block (48). One end of the second connecting block (48) is hinged to the telescopic rod of the third cylinder (49), and the other end is sleeved on the second connecting rod (46).

3. A stone drilling machine with high safety according to claim 2, characterized in that: An annular groove is arranged on the side of the chuck (41), the end of the second connecting rod (46) is U-shaped, and a spring pin (410) is arranged on both sides of the U-shaped end, and the spring pin (410) is inserted into the groove on the side of the chuck (41).

4. A stone drilling machine with high safety according to claim 2, characterized in that: A long hole is arranged in the middle of the second connecting rod (46), and the side block (47) is connected to the long hole in the middle of the second connecting rod (46) through a rotating shaft.

5. A stone drilling machine with high safety according to claim 1, characterized in that: The power mechanism (2) further comprises a column (21), a driving wheel (24), a belt (29), a driven wheel (210), and a steering wheel (217); the motor (23) is fixed to the side of the column (21); the driving wheel (24) is mounted on the output shaft of the motor (23); the steering wheel (217) is mounted on the column (21) via a rotating shaft; two driven wheels (210) are arranged on the main shaft (212); the driven wheel (210) and the main shaft (212) are connected via a spline; the two ends of the belt (29) are respectively connected to the driving wheel (24) and the steering wheel (217); and the middle of the belt (29) is respectively connected to the two driven wheels (210).

6. A stone drilling machine with high safety according to claim 5, characterized in that: The power mechanism (2) further comprises an upper plate (22), a bottom sleeve (25), a connecting rod (211), an intermediate sleeve (213), a top sleeve (214), and a lower plate (215); the upper plate (22) and the lower plate (215) are arranged in parallel and spaced apart on the side of the column (21); the top sleeve (214) and the bottom sleeve (25) are respectively mounted on the upper plate (22) and the lower plate (215); the upper end and the lower end of the main shaft (212) are respectively mounted via bearings. The two driven wheels (210) are respectively connected to the top sleeve (214) and the bottom sleeve (25) through bearings. The middle sleeve (213) is arranged in the middle of the main shaft (212). One end of the connecting rod (211) is hinged to the column (21) and the other end is connected to the adjusting rod (26). The middle part of the connecting rod (211) is hinged to the middle sleeve (213). The cylinder (27) is installed on the top of the upper plate (22).

7. A stone drilling machine with high safety according to claim 6, characterized in that: A protective cover (216) is also provided on the outer sides of the driving wheel (24), the belt (29), the driven wheel (210), and the steering wheel (217).

8. A stone drilling machine with high safety as claimed in claim 6, characterized in that: A guide plate (218) is also provided below the lower plate (215), and a guide hole is provided on the guide plate (218), and the guide rod (42) passes through the guide plate (218).

9. A stone drilling machine with high safety according to claim 1, characterized in that: The drilling machine further comprises a clamp (3), which is arranged directly below the clamp (41) on the base (1).

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