Drilling device for machining pulley yoke for pulley production

Abstract

The utility model relates to the technical field of pulley yoke processing, and discloses a drilling device for pulley yoke processing for pulley production, which solves the problem that the current drill bit is more complicated to replace, and comprises a mounting plate, a motor is mounted at the bottom of the mounting plate, a transmission shaft is fixedly connected onto the motor, and a limiting mechanism is arranged on the outer side of the transmission shaft. A drill bit is arranged below the limiting mechanism, and a fixing mechanism is arranged between the drill bit and the transmission shaft. According to the drilling machine, through the cooperation between the top block and the bottom frame and the cooperation between the positioning block and the positioning plate, a drill bit can be conveniently placed at the bottom end of the transmission shaft, through the cooperation between the screw rod and the threaded sleeve and the cooperation between the sliding plate and the U-shaped round rod, when the rotating disc is rotated anticlockwise, the two insertion rods can be conveniently inserted into the two insertion holes respectively, and the top block and the bottom frame can be fixed; and when the rotating disc is rotated clockwise, the two inserting rods can be conveniently separated from the two inserting holes, fixing of the top block and the bottom frame can be relieved, and therefore the drill bit can be conveniently and rapidly disassembled and assembled.

Description

Technical Field

[0001] The utility model belongs to the technical field of pulley frame processing, in particular to a drilling device for processing a pulley frame used in pulley production. Background Art

[0002] The main function of the pulley frame is to support and fix the pulley so that the pulley can rotate and support heavy objects such as steel cables. It is also light, flexible, safe and reliable, and can meet various handling and fixing needs. The pulley frame is a multifunctional, efficient and practical handling and fixing device, which is widely used in many fields such as industry, logistics, home and office. The pulley frame needs to be drilled during the processing process.

[0003] When the existing drilling device needs to change the diameter of the drill hole, it is necessary to withdraw the drilling equipment from the drilling area and replace the drill bit, and then the drilling equipment is put into the drilling area. The drill bit is mostly installed and fixed by multiple bolts, which makes replacement more cumbersome. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a drilling device for processing a pulley frame for pulley production, which effectively solves the problem of complicated drill bit replacement at present.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drilling device for processing a pulley frame for pulley production, comprising a mounting plate, a motor is mounted at the bottom of the mounting plate, a transmission shaft is fixedly connected to the motor, a limiting mechanism is arranged on the outer side of the transmission shaft, a drill bit is arranged below the limiting mechanism, and a fixing mechanism is arranged between the drill bit and the transmission shaft;

[0006] The fixing mechanism includes a bottom frame fixed to the bottom end of the transmission shaft, a top block is fixedly connected to the top of the drill bit, the top block is inserted into the bottom frame, two positioning grooves are symmetrically arranged on the bottom frame, two positioning blocks are symmetrically fixedly connected to the outer side of the top block, and the two positioning blocks are respectively inserted into the two positioning grooves.

[0007] Preferably, two positioning plates are symmetrically provided on the outer side of the bottom frame, the two positioning plates are both fixed to the bottom end of the transmission shaft, and the two positioning blocks are movably sleeved on the outer sides of the two positioning plates respectively.

[0008] Preferably, a U-shaped round rod is fixedly connected between the two positioning plates, a sleeve plate is fixedly sleeved on the middle part of the outer side of the U-shaped round rod, the sleeve plate is fixed to the bottom end of the transmission shaft, a slide plate is movably sleeved on the outer side of the U-shaped round rod, and two plug rods are symmetrically fixedly connected to the bottom of the slide plate.

[0009] Preferably, the two positioning plates are provided with a socket on one side close to the skateboard, the two positioning blocks are provided with a through hole on one side close to the skateboard, the two insertion rods pass through the two through holes respectively, and the two insertion rods are inserted into the two sockets respectively.

[0010] Preferably, a screw is rotatably connected to the outer side of the bottom frame, a turntable is fixedly installed on the end of the screw away from the bottom frame, a screw sleeve is threadedly sleeved on the outer side of the screw, the screw sleeve is fixed to the bottom of the skateboard, a support plate is fixedly installed on the bottom of the sleeve, the screw passes through the support plate and is rotatably connected to the support plate.

[0011] Preferably, the limiting mechanism includes a limiting ring located on the outside of the transmission shaft, a plurality of connecting columns are fixedly connected at equal angles between the limiting ring and the mounting plate, an annular groove is provided on the inner side of the limiting ring, and a plurality of balls that are in contact with the outer wall of the transmission shaft are installed at equal angles in the annular groove.

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

[0013] (1) The utility model facilitates the placement of the drill bit at the bottom end of the transmission shaft through the cooperation between the top block and the bottom frame and between the positioning block and the positioning plate. The cooperation between the screw rod and the screw sleeve and between the slide plate and the U-shaped round rod facilitates the insertion of two plug rods into two plug holes when the turntable is rotated counterclockwise, thereby fixing the top block and the bottom frame. When the turntable is rotated clockwise, the two plug rods are separated from the two plug holes, thereby releasing the fixation of the top block and the bottom frame, thereby facilitating the rapid disassembly and assembly of the drill bit.

[0014] (2) The new type facilitates the limiting of the transmission shaft through the cooperation between the connecting column, the limiting ring and the ball, thereby ensuring the stable rotation of the transmission shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of a drilling device for processing a pulley frame for pulley production of the utility model;

[0018] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the bottom frame and top block of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0021] In the figure: 1. mounting plate; 2. fixing mechanism; 201. bottom frame; 202. top block; 203. screw rod; 204. slide plate; 205. U-shaped round rod; 206. turntable; 207. support plate; 208. sleeve plate; 209. screw sleeve; 2010. plug rod; 2011. positioning block; 2012. positioning plate; 2013. positioning groove; 2014. socket; 2015. through hole; 3. limiting mechanism; 301. limiting ring; 302. ball; 303. annular groove; 304. connecting column; 4. drill bit; 5. transmission shaft; 6. motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1 The utility model includes a mounting plate 1, a motor 6 is mounted at the bottom of the mounting plate 1, a transmission shaft 5 is fixedly connected to the motor 6, a limiting mechanism 3 is provided on the outer side of the transmission shaft 5, a drill bit 4 is provided below the limiting mechanism 3, and a fixing mechanism 2 is provided between the drill bit 4 and the transmission shaft 5.

[0024] Specifically, by Figure 2-3The fixing mechanism 2 includes a bottom frame 201 fixed to the bottom end of the transmission shaft 5, a top block 202 is fixedly connected to the top of the drill bit 4, the top block 202 is inserted into the bottom frame 201, two positioning grooves 2013 are symmetrically arranged on the bottom frame 201, two positioning blocks 2011 are symmetrically fixedly connected to the outer side of the top block 202, the two positioning blocks 2011 are respectively inserted into the two positioning grooves 2013, two positioning plates 2012 are symmetrically arranged on the outer side of the bottom frame 201, the two positioning plates 2012 are both fixed to the bottom end of the transmission shaft 5, the two positioning blocks 2011 are respectively movably sleeved on the outer sides of the two positioning plates 2012, a U-shaped round rod 205 is fixedly connected between the two positioning plates 2012, the outer middle part of the U-shaped round rod 205 is fixedly sleeved with a sleeve plate 208, the sleeve plate 208 is fixed to the bottom end of the transmission shaft 5, the U-shaped round rod 20 5 is movably sleeved with a slide plate 204, and two plug rods 2010 are symmetrically fixedly connected to the bottom of the slide plate 204, and two positioning plates 2012 are provided with a plug hole 2014 on one side close to the slide plate 204, and two positioning blocks 2011 are provided with a through hole 2015 on one side close to the slide plate 204, and the two plug rods 2010 respectively penetrate the two through holes 2015, and the two plug rods 2010 are respectively inserted into the two plug holes 2014, and the outer side of the bottom frame 201 is rotatably connected with a screw rod 203, and a rotating disk 206 is fixedly installed at one end of the screw rod 203 away from the bottom frame 201, and a screw sleeve 209 is threadedly sleeved on the outer side of the screw rod 203, and the screw sleeve 209 is fixed to the bottom of the slide plate 204, and a support plate 207 is fixedly installed at the bottom of the sleeve plate 208, and the screw rod 203 penetrates the support plate 207 and is rotatably connected to the support plate 207;

[0025] When in use, first place the top block 202 in the bottom frame 201 so that the two positioning blocks 2011 are respectively inserted into the two positioning grooves 2013, and at the same time, the two positioning blocks 2011 are respectively sleeved on the outside of the two positioning plates 2012, and then the turntable 206 is rotated counterclockwise to drive the screw rod 203 to rotate, and the slide plate 204 is driven to slide along the U-shaped round rod 205 through the screw sleeve 209, and the two insertion rods 2010 are driven to move and respectively pass through the two through holes 2015, until the two insertion rods 2010 are respectively inserted into the two insertion holes 2014, fix the top block 202 to the bottom frame 201, and complete the installation of the drill bit 4, when the turntable 206 is rotated clockwise, the two insertion rods 2010 are driven to move and disengage from the two insertion holes 2014, respectively, release the fixation of the top block 202 to the bottom frame 201, complete the disassembly of the drill bit 4, and finally realize the rapid disassembly and assembly of the drill bit 4.

[0026] Specifically, by Figure 4 The limiting mechanism 3 includes a limiting ring 301 located outside the transmission shaft 5, a plurality of connecting columns 304 are fixedly connected at equal angles between the limiting ring 301 and the mounting plate 1, an annular groove 303 is provided on the inner side of the limiting ring 301, and a plurality of balls 302 are installed at equal angles in the annular groove 303 so as to fit the outer wall of the transmission shaft 5;

[0027] When in use, firstly, a limit ring 301 is set on the outer side of the transmission shaft 5. The limit ring 301 is fixed to the mounting plate 1 through multiple connecting columns 304, and an annular groove 303 is opened in the limit ring 301. Multiple balls 302 that are in contact with the outer wall of the transmission shaft 5 are evenly arranged in the annular groove 303 to limit the transmission shaft 5 and avoid shaking during the rotation of the transmission shaft 5, thereby ensuring stable drilling work.

Claims

1. A drilling device for processing a pulley frame for pulley production, comprising a mounting plate (1), characterized in that: A motor (6) is installed at the bottom of the mounting plate (1), a transmission shaft (5) is fixedly connected to the motor (6), a limiting mechanism (3) is provided on the outer side of the transmission shaft (5), a drill bit (4) is provided below the limiting mechanism (3), and a fixing mechanism (2) is provided between the drill bit (4) and the transmission shaft (5); The fixing mechanism (2) comprises a bottom frame (201) fixed to the bottom end of the transmission shaft (5); a top block (202) is fixedly connected to the top end of the drill bit (4); the top block (202) is inserted into the bottom frame (201); two positioning grooves (2013) are symmetrically provided on the bottom frame (201); two positioning blocks (2011) are symmetrically fixedly connected to the outer side of the top block (202); and the two positioning blocks (2011) are respectively inserted into the two positioning grooves (2013).

2. A drilling device for processing a pulley frame for pulley production according to claim 1, characterized in that: Two positioning plates (2012) are symmetrically arranged on the outer side of the bottom frame (201), the two positioning plates (2012) are both fixed to the bottom end of the transmission shaft (5), and the two positioning blocks (2011) are movably sleeved on the outer sides of the two positioning plates (2012).

3. A drilling device for processing a pulley frame for pulley production according to claim 2, characterized in that: A U-shaped round rod (205) is fixedly connected between the two positioning plates (2012); a sleeve plate (208) is fixedly sleeved on the middle part of the outer side of the U-shaped round rod (205); the sleeve plate (208) is fixed to the bottom end of the transmission shaft (5); a slide plate (204) is movably sleeved on the outer side of the U-shaped round rod (205); and two insertion rods (2010) are symmetrically fixedly connected to the bottom of the slide plate (204).

4. A drilling device for processing a pulley frame for pulley production according to claim 2, characterized in that: The two positioning plates (2012) are each provided with a plug hole (2014) on one side close to the slide plate (204), the two positioning blocks (2011) are each provided with a through hole (2015) on one side close to the slide plate (204), the two insertion rods (2010) respectively penetrate the two through holes (2015), and the two insertion rods (2010) are respectively inserted into the two plug holes (2014).

5. A drilling device for processing a pulley frame for pulley production according to claim 1, characterized in that: The outer side of the bottom frame (201) is rotatably connected with a screw rod (203), one end of the screw rod (203) away from the bottom frame (201) is fixedly mounted with a turntable (206), the outer side of the screw rod (203) is threadedly sleeved with a screw sleeve (209), the screw sleeve (209) is fixed to the bottom of the slide plate (204), the bottom of the sleeve plate (208) is fixedly mounted with a support plate (207), and the screw rod (203) penetrates the support plate (207) and is rotatably connected with the support plate (207).

6. A drilling device for processing a pulley frame for pulley production according to claim 1, characterized in that: The limiting mechanism (3) comprises a limiting ring (301) located outside the transmission shaft (5); a plurality of connecting columns (304) are fixedly connected at equal angles between the limiting ring (301) and the mounting plate (1); an annular groove (303) is provided on the inner side of the limiting ring (301); a plurality of balls (302) are installed at equal angles in the annular groove (303) and are in contact with the outer wall of the transmission shaft (5).

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