Saw blade power tool apron

Abstract

The utility model relates to the technical field of machining equipment, in particular to a saw blade power tool apron which comprises a power seat, a transmission mechanism and an input transmission shaft, the power seat comprises a box body, an upper end cover and a lower end cover, the transmission mechanism comprises a first transmission shaft and a second transmission shaft, and the first transmission shaft comprises a first rotating shaft, a first bevel gear and a first transmission gear. The second transmission shaft comprises a second rotating shaft and a second transmission gear, the second transmission gear is meshed with the first transmission gear, the upper end of the second rotating shaft is fixedly provided with a saw blade through a key pin, the input transmission shaft comprises an input shaft, a second bevel gear and an input gear, and the second bevel gear is fixedly arranged at the left end of the input shaft through a key pin and is meshed with the first bevel gear; the input gear is fixedly arranged at the right end of the input shaft through a key pin and meshed with an external transmission mechanism. Through the two sets of transmission shafts which are vertically arranged, mechanical conversion between a power source and an output point is simplified, kinetic energy loss is reduced, and meanwhile the size of the tool apron is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a saw blade power tool holder. Background Art

[0002] The power tool holder refers to a tool holder installed on a power turret and driven by a servo motor. This type of tool holder is generally used on turning and milling machines, and a few can also be used on machining centers with power turrets.

[0003] Its working principle is: the output shaft of the external motor is coaxially fixedly connected to the transmission shaft, and then the external cutter head is coaxially fixedly installed on the cutter head mounting shaft, the output shaft of the drive motor is driven to rotate, and the rotation of the output shaft of the motor drives the transmission shaft to rotate. The transmission shaft is connected through the meshing connection of the first bevel gear and the second bevel gear to drive the cutter head mounting shaft to rotate, thereby driving the cutter head to rotate to process the object.

[0004] The existing power tool holder can only process similar groove processes with low processing efficiency. In addition, the tool holder undergoes complex mechanical conversion from the power source to the output point, which makes its structure complex, resulting in high cost and large size. Utility Model Content

[0005] The utility model provides a saw blade power tool holder to solve the problems of the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a saw blade power tool holder, comprising:

[0007] A power seat, the power seat comprises a box body, an upper end cover and a lower end cover, a transmission cavity is provided through the box body, the transmission cavity comprises a first transmission cavity and a second transmission cavity, an input shaft hole is provided through the side wall of the box body, the upper end cover is fixed to the upper end of the box body by bolts and a trapezoidal cavity is provided at the side end, the upper end of the trapezoidal cavity is provided correspondingly to the input shaft hole, the lower end of the trapezoidal cavity is provided with the first transmission cavity, an output shaft hole is provided through the left side of the upper end cover, the output shaft hole and the second transmission cavity are provided through, and the lower end cover is fixed to the lower end surface of the box body by bolts;

[0008] The transmission mechanism comprises a first transmission shaft and a second transmission shaft, the first transmission shaft comprises a first rotating shaft, a first bevel gear and a first transmission gear, the first rotating shaft is rotatably arranged in the first transmission cavity, the bevel gear is sleeved on the upper end of the first rotating shaft and fixed by a key, the first transmission gear is sleeved on the lower end of the first rotating shaft and fixed by a key, the second transmission shaft comprises a second rotating shaft and a second transmission gear, the second rotating shaft is rotatably arranged in the second transmission cavity and the lower end is fixed with a second transmission gear by a key, the second transmission gear is meshed with the first transmission gear, and a saw blade is fixedly arranged on the upper end of the second rotating shaft by a key;

[0009] An input transmission shaft comprises an input shaft, a second bevel tooth and an input gear, wherein the second bevel tooth is fixedly arranged at the left end of the input shaft by a key pin and meshes with the first bevel tooth, and the input gear is fixedly arranged at the right end of the input shaft by a key pin and meshes with an external transmission mechanism.

[0010] As a further improvement, a positioning hole is provided on the right side of the box body, and a positioning pin is inserted into the positioning hole.

[0011] As a further improvement, a first bearing assembly is sleeved on the first rotating shaft, an inner ring of the first bearing assembly abuts against the first rotating shaft, and an outer ring of the first bearing assembly abuts against an inner wall of the first transmission cavity.

[0012] A further improvement is that the first bearing assembly includes a first upper bearing and a first lower bearing, a first support sleeve is arranged between the first upper bearing and the first lower bearing, the upper end of the first support sleeve abuts against the lower surface of the inner ring of the first upper bearing, and the lower end of the first support sleeve abuts against the upper surface of the inner ring of the first lower bearing.

[0013] As a further improvement, a second bearing assembly is sleeved on the second rotating shaft, an inner ring of the second bearing assembly abuts against the second rotating shaft, and an outer ring of the second bearing assembly abuts against an inner wall of the second transmission cavity.

[0014] A further improvement is that the second bearing assembly includes a second upper bearing and a second lower bearing, a second support sleeve is arranged between the second upper bearing and the second lower bearing, the upper end of the second support sleeve abuts against the lower surface of the inner ring of the second upper bearing, and the lower end of the second support sleeve abuts against the upper surface of the inner ring of the first lower bearing.

[0015] As a further improvement, a locking nut is threadedly connected to the upper end of the second rotating shaft, and the locking nut is used to fix the saw blade.

[0016] As a further improvement, the lower ends of the first transmission shaft and the second rotating shaft are both threadedly connected with locking nuts.

[0017] As a further improvement, first buffer pads are provided on both upper and lower sides of the first bearing assembly.

[0018] As a further improvement, second buffer pads are sleeved on both upper and lower sides of the second bearing assembly.

[0019] Compared with the prior art, the utility model has the following beneficial effects: in actual use, the utility model drives the input transmission shaft to rotate through an external driving mechanism, and drives the first bevel tooth meshing with it to rotate through the second bevel tooth, thereby realizing the rotation of the first transmission shaft, and at the same time, drives the second transmission gear meshing with it to rotate through the first transmission gear, and finally realizes the rotation of the second transmission shaft, realizing the cutting of the workpiece by the saw blade, and through the design of two groups of vertically arranged transmission shafts, the mechanical conversion between the power source and the output point is simplified, the kinetic energy loss is reduced, and at the same time the volume of the tool holder is reduced, so that it can be installed in a limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the power seat of the utility model;

[0024] Figure 5 It is an exploded diagram of the transmission mechanism of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the input transmission shaft of the utility model.

[0026] In the figure, 1, power seat; 11, housing; 111, transmission cavity; 1111, first transmission cavity; 1112, second transmission cavity; 112, input shaft hole; 113, positioning hole; 1131, positioning pin; 12, upper end cover; 121, trapezoidal cavity; 122, output shaft hole; 13, lower end cover; 2, transmission mechanism; 21, first transmission shaft; 211, first rotating shaft; 2111, first bearing assembly; 21111, first upper bearing; 21112, first lower bearing; 21113, first support sleeve; 211 14. First buffer pad; 212. First bevel gear; 213. First transmission gear; 22. Second transmission shaft; 221. Second rotating shaft; 2211. Second bearing assembly; 22111. Second upper bearing; 22112. Second lower bearing; 22113. Second support sleeve; 22114. First locking nut; 22115. Second buffer pad; 222. Second transmission gear; 223. Saw blade; 3. Input transmission shaft; 31. Input shaft; 32. Second bevel gear; 33. Input gear; 4. Second locking nut. DETAILED DESCRIPTION

[0027] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The following is combined with the embodiments and attached Figures 1 to 6 , the technical solution of the utility model is further elaborated.

[0030] Example 1

[0031] A saw blade power tool holder, comprising:

[0032] The power seat 1 comprises a housing 11, an upper end cover 12 and a lower end cover 13. A transmission chamber 111 is provided inside the housing 11, and the transmission chamber 111 comprises a first transmission chamber 1111 and a second transmission chamber 1112. An input shaft hole 112 is provided on the side wall of the housing 11. The upper end cover 12 is fixed to the upper end of the housing 11 by bolts and a trapezoidal chamber 121 is provided on the side end. The upper end of the trapezoidal chamber 121 is provided correspondingly to the input shaft hole 112, and the lower end of the trapezoidal chamber 121 is provided correspondingly to the first transmission chamber 1111. An output shaft hole 122 is provided on the left side of the upper end cover 12. The output shaft hole 122 and the second transmission chamber 1112 are provided in a through manner. The lower end cover 13 is fixed to the lower end surface of the housing 11 by bolts.

[0033] The transmission mechanism 2 includes a first transmission shaft 21 and a second transmission shaft 22. The first transmission shaft 21 includes a first rotating shaft 211, a first bevel gear 212 and a first transmission gear 213. The first rotating shaft 211 is rotatably arranged in the first transmission cavity 1111. The bevel gear 212 is sleeved on the upper end of the first rotating shaft 211 and fixed by a key. The first transmission gear 213 is sleeved on the lower end of the first rotating shaft 211 and fixed by a key. The second transmission shaft 22 includes a second rotating shaft 221 and a second transmission gear 222. The second rotating shaft 221 is rotatably arranged in the second transmission cavity 1112 and the lower end is fixed with the second transmission gear 222 by a key. The second transmission gear 222 is meshed with the first transmission gear 213. The upper end of the second rotating shaft 221 is fixed with a saw blade 223 by a key.

[0034] The input transmission shaft 3 includes an input shaft 31, a second bevel tooth 32 and an input gear 33. The second bevel tooth 32 is fixedly arranged at the left end of the input shaft 31 by a key pin and meshes with the first bevel tooth 212. The input gear 33 is fixedly arranged at the right end of the input shaft 31 by a key pin and meshes with the second transmission gear 222 of the external transmission mechanism to rotate synchronously, thereby realizing the second transmission shaft 22.

[0035] like Figures 1 to 6 As shown, in actual use of the utility model, the input transmission shaft 3 is driven to rotate by an external driving mechanism, and the first bevel tooth 212 meshing with the second bevel tooth 32 is driven to rotate, thereby realizing the rotation of the first transmission shaft 21, and at the same time, the second transmission gear 222 meshing with the first transmission gear 213 is driven to rotate, and finally the second transmission shaft 22 is realized to cut the workpiece by the saw blade 223. The design of two sets of vertically arranged transmission shafts simplifies the mechanical conversion between the power source and the output point, reduces the kinetic energy loss, and reduces the volume of the tool holder so that it can be installed in a limited space.

[0036] As a further preferred embodiment, a positioning hole 113 is provided on the right side of the box body 11, and a positioning pin 1131 is inserted into the positioning hole 113. The box body 11 is positioned by the positioning pin 1131 to improve the installation accuracy of the tool holder.

[0037] As a further preferred embodiment, a first bearing assembly 2111 is sleeved on the first rotating shaft 211, the inner ring of the first bearing assembly 2111 abuts against the first rotating shaft 211, and the outer ring of the first bearing assembly 2111 abuts against the inner wall of the first transmission chamber 1111. The first bearing assembly 2111 reduces the friction between the first rotating shaft 211 and the first transmission chamber 1111, thereby improving the service life of the equipment and meeting the requirements of high-speed processing.

[0038] As a further preferred embodiment, the first bearing assembly 2111 includes a first upper bearing 21111 and a first lower bearing 21112, and a first support sleeve 21113 is arranged between the first upper bearing 21111 and the first lower bearing 21112, the upper end of the first support sleeve 21113 abuts against the lower surface of the inner ring of the first upper bearing 21111, and the lower end of the first support sleeve 21113 abuts against the upper surface of the inner ring of the first lower bearing 21112. The first support sleeve 21113 supports the first upper bearing 21111 and the first lower bearing 21112, thereby improving the stability of the equipment and meeting the process requirements of high-speed rotation.

[0039] As a further preferred embodiment, a second bearing assembly 2211 is sleeved on the second rotating shaft 221, the inner ring of the second bearing assembly 2211 abuts against the second rotating shaft 221, and the outer ring of the second bearing assembly 2211 abuts against the inner wall of the second transmission chamber 1112. The second bearing assembly 2211 reduces the friction between the second rotating shaft 221 and the second transmission chamber 1112, thereby improving the service life of the equipment and meeting the requirements of high-speed processing.

[0040] As a further preferred embodiment, the second bearing assembly 2211 includes a second upper bearing 22111 and a second lower bearing 22112, a second support sleeve 22113 is arranged between the second upper bearing 22111 and the second lower bearing 22112, the upper end of the second support sleeve 22113 abuts against the lower surface of the inner ring of the second upper bearing 22111, and the lower end of the second support sleeve 22113 abuts against the upper surface of the inner ring of the first lower bearing 21112, and the second upper bearing 22111 and the second lower bearing 22112 are supported by the second support sleeve 22113 to improve the stability of the equipment and meet the process requirements of high-speed rotation.

[0041] As a further preferred embodiment, the upper end of the second rotating shaft 221 is threadedly connected with a first locking nut 22114, and the first locking nut 22114 is used to fix the saw blade 223. The saw blade 223 is locked by the first locking nut 22114 to improve the stability of the saw blade 223 when cutting a workpiece.

[0042] As a further preferred embodiment, the lower ends of the first transmission shaft 21 and the second rotating shaft 221 are both threadedly connected with second locking nuts 4, and the first transmission shaft 21 and the second rotating shaft 221 are locked by the second locking nuts 4 to improve the stability of the equipment.

[0043] As a further preferred embodiment, first buffer pads 21114 are sleeved on both the upper and lower sides of the first bearing assembly 2111. The first buffer pads 21114 are used to dampen vibrations generated during the operation of the equipment, thereby extending the service life of the equipment.

[0044] As a further preferred embodiment, second buffer pads 22115 are sleeved on both the upper and lower sides of the second bearing assembly 2211. The second buffer pads 22115 are used to dampen vibrations generated during the operation of the equipment, thereby extending the service life of the equipment.

[0045] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A saw blade power tool holder, characterized in that: include: A power base (1), the power base (1) comprising a housing (11), an upper end cover (12) and a lower end cover (13); a transmission chamber (111) is provided through the housing (11); the transmission chamber (111) comprises a first transmission chamber (1111) and a second transmission chamber (1112); an input shaft hole (112) is provided through the side wall of the housing (11); the upper end cover (12) is fixed to the upper end of the housing (11) by bolts and the side wall is provided with a plurality of holes (112); A trapezoidal cavity (121) is provided at the end, the upper end of the trapezoidal cavity (121) is arranged correspondingly to the input shaft hole (112), the lower end of the trapezoidal cavity (121) is arranged correspondingly to the first transmission cavity (1111), an output shaft hole (122) is provided through the left side of the upper end cover (12), the output shaft hole (122) and the second transmission cavity (1112) are provided through, and the lower end cover (13) is fixedly provided on the lower end surface of the box body (11) by bolts; A transmission mechanism (2), the transmission mechanism (2) comprising a first transmission shaft (21) and a second transmission shaft (22), the first transmission shaft (21) comprising a first rotating shaft (211), a first bevel gear (212) and a first transmission gear (213), the first rotating shaft (211) being rotatably disposed in the first transmission cavity (1111), the bevel gear (212) being sleeved on the upper end of the first rotating shaft (211) and being fixed by a key, the first transmission gear (213) being sleeved on the lower end of the first rotating shaft (211) and being fixed by a key, the second transmission shaft (22) comprising a second rotating shaft (221) and a second transmission gear (222), the second rotating shaft (221) being rotatably disposed in the second transmission cavity (1112) and having a second transmission gear (222) fixed at the lower end by a key, the second transmission gear (222) being meshed with the first transmission gear (213), and a saw blade (223) being fixed at the upper end of the second rotating shaft (221) by a key; An input transmission shaft (3), the input transmission shaft (3) comprising an input shaft (31), a second bevel tooth (32) and an input gear (33), the second bevel tooth (32) being fixedly arranged at the left end of the input shaft (31) by a key pin and meshing with the first bevel tooth (212), the input gear (33) being fixedly arranged at the right end of the input shaft (31) by a key pin and meshing with an external transmission mechanism.

2. A saw blade power tool holder according to claim 1, characterized in that: A positioning hole (113) is provided on the right side of the box body (11), and a positioning pin (1131) is inserted into the positioning hole (113).

3. The saw blade power tool holder according to claim 1, characterized in that: A first bearing assembly (2111) is sleeved on the first rotating shaft (211), the inner ring of the first bearing assembly (2111) abuts against the first rotating shaft (211), and the outer ring of the first bearing assembly (2111) abuts against the inner wall of the first transmission cavity (1111).

4. A saw blade power tool holder according to claim 3, characterized in that: The first bearing assembly (2111) comprises a first upper bearing (21111) and a first lower bearing (21112); a first support sleeve (21113) is arranged between the first upper bearing (21111) and the first lower bearing (21112); an upper end of the first support sleeve (21113) abuts against a lower surface of an inner ring of the first upper bearing (21111); and a lower end of the first support sleeve (21113) abuts against an upper surface of an inner ring of the first lower bearing (21112).

5. The saw blade power tool holder according to claim 4, characterized in that: A second bearing assembly (2211) is sleeved on the second rotating shaft (221), the inner ring of the second bearing assembly (2211) abuts against the second rotating shaft (221), and the outer ring of the second bearing assembly (2211) abuts against the inner wall of the second transmission chamber (1112).

6. The saw blade power tool holder according to claim 5, characterized in that: The second bearing assembly (2211) comprises a second upper bearing (22111) and a second lower bearing (22112), a second support sleeve (22113) being arranged between the second upper bearing (22111) and the second lower bearing (22112), an upper end of the second support sleeve (22113) abutting against a lower surface of an inner ring of the second upper bearing (22111), and a lower end of the second support sleeve (22113) abutting against an upper surface of an inner ring of the first lower bearing (21112).

7. The saw blade power tool holder according to claim 1, characterized in that: The upper end of the second rotating shaft (221) is threadedly connected with a first locking nut (22114), and the first locking nut (22114) is used to fix the saw blade (223).

8. The saw blade power tool holder according to claim 1, characterized in that: The lower ends of the first transmission shaft (21) and the second rotating shaft (221) are both threadedly connected with a second locking nut (4).

9. A saw blade power tool holder according to claim 3 or 4, characterized in that: The first bearing assembly (2111) is sleeved with first buffer pads (21114) on both upper and lower sides.

10. A saw blade power tool holder according to claim 5 or 6, characterized in that: Second buffer pads (22115) are sleeved on both the upper and lower sides of the second bearing assembly (2211).

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