Bench drill

Abstract

The utility model discloses a bench drill, and relates to the technical field of mechanical industry manufacturing. The bench drill comprises a bottom plate, a top plate, a lifting mechanism, a mounting disc, a quick mounting mechanism and a drill bit, the top plate is arranged above the bottom plate, the lifting mechanism is mounted between the bottom plate and the top plate, a lifting plate is arranged on the lifting mechanism, a first driving motor is fixedly connected to the top end of the lifting plate, and the output end of the first driving motor penetrates through the top wall of the lifting plate; and a quick mounting mechanism is arranged in the mounting disc, and the quick mounting mechanism is used for clamping a drill bit. According to the bench drill, drilling is achieved through matched use of the lifting mechanism and the first driving motor, in addition, the drill bit can be rapidly installed and detached according to drilling requirements through the arrangement of the rapid installation mechanism, convenience and rapidness are achieved, and the problems that an electric drill is held by a hand in a traditional mode, and operation is not convenient due to unstable gripping force of an operator are solved. And the drill bit is easy to break.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical industry manufacturing technical field, specifically, relate to a bench drill. BACKGROUND

[0002] Bench drill is a tool commonly used for drilling, screwing and unscrewing in mechanical industry, building industry and decoration industry. In the nineteenth century, Austrian Arthur James Arnot and William Blanch Brain combined motor and drill together and invented the earliest electric drill. In use, the traditional electric drill usually needs to be held by the staff, but this way, in narrow space, if the staff's gripping force is unstable, the drill bit will be broken, which is difficult to meet the needs of the staff, and in actual drilling, it is also inconvenient to install and disassemble the drill bit according to the needs of the staff, reducing the practicability of the device.

[0003] Therefore, how to avoid the phenomenon of drill bit breakage due to unstable gripping force in narrow space and realize quick installation and disassembly of drill bit has been the goal of improvement in the industry. SUMMARY

[0004] The main purpose of the utility model is to provide a bench drill to solve the technical problem that the prior art cannot realize how to avoid the phenomenon of drill bit breakage due to unstable gripping force in narrow space and quickly install and disassemble the drill bit.

[0005] In order to achieve the above purpose, according to the first aspect of the utility model, a bench drill is provided, which comprises a bottom plate, a top plate, a lifting mechanism, a mounting disc, a quick mounting mechanism and a drill bit, wherein the top plate is arranged above the bottom plate, the lifting mechanism is installed between the bottom plate and the top plate, the lifting plate is arranged on the lifting mechanism, the first driving motor is fixedly connected to the top end of the lifting plate, the output end of the first driving motor penetrates the top wall of the lifting plate and is connected with the mounting disc, the quick mounting mechanism is arranged in the mounting disc, and the quick mounting mechanism clamps the drill bit.

[0006] Further, the lifting mechanism comprises guide rods and lead screws, and the guide rods and the lead screws are provided with two groups, respectively, and the two ends of the two groups of guide rods are welded with the bottom plate and the top plate.

[0007] Further, the two groups of lead screws are rotationally connected between the guide rods and the lead screws, the lifting plate is threadedly connected to the lead screws, and the lifting plate is slidingly connected to the outer surface of the guide rods.

[0008] Further, the top of the screw rod is fixedly connected with a first bevel gear, and the top end of the top plate is fixedly installed with a double-shaft motor.

[0009] Further, the output ends of the double-shaft motor are fixedly installed with second bevel gears, and the second bevel gears are engaged with the first bevel gear.

[0010] Further, the outer surface of the guide rod is sleeved with a buffer spring, the bottom of the buffer spring is fixedly connected with the bottom plate, and the other end of the buffer spring is fixedly connected with a buffer plate, and the buffer plate is slidingly connected with the guide rod.

[0011] Further, the quick mounting mechanism comprises rotating rings, the inner portions of the mounting discs are rotatably connected with the rotating rings, the inner and outer circumferential surfaces of the rotating rings are respectively connected with inner teeth and outer teeth, and the mounting discs are rotatably connected with a group of driving gears and a plurality of groups of driven gears.

[0012] Further, the driving gears are engaged with the outer teeth, and the plurality of groups of driven gears are engaged with the inner teeth.

[0013] Further, a fixing ring is welded in the mounting disc, a plurality of groups of clamping pieces are slidingly connected with the inner portion of the fixing ring, the plurality of groups of clamping pieces are fixedly installed with racks, and the plurality of groups of racks are respectively engaged with the plurality of groups of driven gears.

[0014] Further, the mounting disc is further provided with a second driving motor for driving the driving gears to rotate, the output end of the second driving motor drives the driving gears to rotate, so that the outer teeth, the rotating rings and the inner teeth rotate as a whole, and then all the driven gears synchronously rotate.

[0015] The table drill disclosed by the utility model realizes drilling through the cooperation of the lifting mechanism and the first driving motor, and the quick mounting mechanism is arranged, the drill bit can be quickly mounted and dismounted according to the drilling requirement, and the table drill disclosed by the utility model can drill 1mm holes in narrow space, avoids the phenomenon of drill bit breakage caused by the unstable holding force of operators when the traditional handheld electric drill is used, meets the requirement of workers, improves the practicability of the device, and the function is also diversified. ACCURATE DRAWINGS

[0016] Figure 1 It is a first view angle structural schematic view of the table drill in the utility model embodiment.

[0017] Figure 2 It is a second view angle structural schematic view of the table drill in the utility model embodiment.

[0018] Figure 3 It is a local enlarged structural schematic view of the table drill in the utility model embodiment.

[0019] Figure 4 It is partial enlarged structural schematic view of quick mounting mechanism of bench drill in the embodiment of the utility model.

[0020] The drawings mark: bottom plate 1, top plate 101, lifting mechanism 2, lifting plate 102, first drive motor 103, mounting disc 104, quick mounting mechanism 3, drill bit 105, guide rod 201, screw rod 202, first bevel gear 203, double-shaft motor 204, second bevel gear 205, buffer spring 206, buffer plate 207, rotating ring 301, inner tooth 302, outer tooth 303, driving gear 304, driven gear 305, fixed ring 306, holding piece 307, rack 308, second drive motor 309. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below. In the description of the utility model, it is understood that the orientation words such as 'front, back, up, down, left, right', 'horizontal, vertical, perpendicular, horizontal' and 'top, bottom' and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the protection scope of the utility model; the orientation words 'inner, outer' refer to the inner and outer of the contour of each component itself.

[0022] In the embodiment, please refer to Figures 1-4 A multifunctional bench drill includes a bottom plate 1, a top plate 101 is arranged directly above the bottom plate 1, a lifting mechanism 2 is installed between the bottom plate 1 and the top plate 101, a lifting plate 102 is arranged on the lifting mechanism 2, a first drive motor 103 is fixedly connected to the top end of the lifting plate 102, the output end of the first drive motor 103 penetrates through the top wall of the lifting plate 102 and is connected with a mounting disc 104, the inside of the mounting disc 104 is provided with a quick mounting mechanism 3, and the quick mounting mechanism 3 is used for clamping a drill bit 105.

[0023] In the embodiment, please refer to Figure 1 The lifting mechanism 2 includes guide rods 201 and screw rods 202, the guide rods 201 and the screw rods 202 are both provided with two groups, the two ends of the two groups of guide rods 201 are respectively welded with the bottom plate 1 and the top plate 101, the two groups of screw rods 202 are both rotationally connected between the guide rods 201 and the screw rods 202, the lifting plate 102 is threadedly connected on the screw rods 202, and the lifting plate 102 is slidingly connected to the outer surface of the guide rods 201.

[0024] In the embodiment, please refer to Figure 1 As shown in the figure, the top of the screw rod 202 is fixedly connected with a first bevel gear 203, the top end of the top plate 101 is fixedly installed with a double-shaft motor 204, the output ends of the double-shaft motor 204 are fixedly installed with second bevel gears 205, and the second bevel gears 205 are engaged with the first bevel gear 203.

[0025] In the embodiment, please refer to Figure 1 As shown in the figure, the outer surface of the guide rod 201 is sleeved with a buffer spring 206, the bottom of the buffer spring 206 is fixedly connected with the bottom plate 1, and the other end of the buffer spring 206 is fixedly connected with a buffer plate 207, and the buffer plate 207 is slidingly connected with the guide rod 201.

[0026] In the embodiment, the output ends of the double-shaft motor 204 drive two groups of second bevel gears 205 to synchronously rotate, so that two groups of first bevel gears 203 and the screw rod 202 synchronously rotate as a whole, so that the lifting plate 102 reciprocates up and down along the outer surface of the guide rod 201, and when moving downward, the buffer spring 206 is contracted when the lifting plate 102 contacts with the buffer plate 207, so as to play a buffering role.

[0027] In the embodiment, please refer to Figure 2 and Figure 4 As shown in the figure, the quick mounting mechanism 3 includes rotating rings 301, the inside of the mounting disc 104 is rotatably connected with the rotating rings 301, the inner and outer circumferential surfaces of the rotating rings 301 are respectively connected with inner teeth 302 and outer teeth 303, and the inside of the mounting disc 104 is further rotatably connected with a group of driving gears 304 and a plurality of groups of driven gears 305.

[0028] In the embodiment, please refer to Figure 4 As shown in the figure, the driving gears 304 are engaged with the outer teeth 303, and the plurality of groups of driven gears 305 are engaged with the inner teeth 302.

[0029] In the embodiment, please refer to Figure 3 and Figure 4 As shown in the figure, the mounting disc 104 is welded with a fixed ring 306, a plurality of groups of clamping pieces 307 are slidingly connected inside the fixed ring 306, a plurality of groups of racks 308 are fixedly installed on the plurality of groups of clamping pieces 307, the plurality of groups of racks 308 are respectively engaged with the plurality of groups of driven gears 305, and the mounting disc 104 is further provided with a second driving motor 309 for driving the driving gears 304 to rotate.

[0030] In the embodiment, the output end of the second driving motor 309 drives the driving gear 304 to rotate, so that the outer gear 303, the rotating ring 301 and the inner gear 302 rotate as a whole, drive all the driven gears 305 to rotate synchronously, and then all the racks 308 move synchronously towards the position close to or away from the center of the rotating ring 301, so that all the clamping pieces 307 move synchronously towards the position close to or away from the center of the rotating ring 301, when close, the drill bit 105 is clamped and fixed, and when away, the drill bit 105 is released, so that the drill bit 105 is quickly installed and disassembled.

[0031] In the embodiment, the working principle and use process of the bench drill include the following aspects:

[0032] S1, when the bench drill in the utility model is used, the output end of the second driving motor 309 drives the driving gear 304 to rotate, so that the outer gear 303, the rotating ring 301 and the inner gear 302 rotate as a whole, drive all the driven gears 305 to rotate synchronously, and then all the racks 308 move synchronously towards the position close to the center of the rotating ring 301, so that all the clamping pieces 307 move synchronously towards the position close to the center of the rotating ring 301, and the drill bit 105 is clamped and fixed;

[0033] S2, then the output end of the double-shaft motor 204 drives two groups of second bevel gears 205 to rotate synchronously, so that two groups of first bevel gears 203 and the lead screw 202 rotate synchronously as a whole, the lifting plate 102 moves downwards along the outer surface of the guide rod 201, and the first driving motor 103 is started, so that the mounting disc 104 and the drill bit 105 rotate as a whole, and drilling is realized, the bench drill can drill 1mm holes in narrow spaces, avoids the traditional way of handheld electric drill, and the phenomenon of drill bit breakage caused by unstable operator grip is avoided, and the needs of workers are met.

[0034] The bench drill disclosed by the utility model realizes drilling through the cooperation of the lifting mechanism and the first driving motor, and then the quick mounting mechanism is arranged, the drill bit can be quickly mounted and disassembled according to the drilling requirement, convenience and efficiency are achieved, the bench drill disclosed by the utility model can drill 1mm holes in narrow spaces, the traditional way of handheld electric drill is avoided, the phenomenon of drill bit breakage caused by unstable operator grip is avoided, the needs of workers are met, the practicability of the device is improved, and the function also has diversity.

[0035] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A bench drill, characterized in that, The table drill comprises a bottom plate, a top plate, a lifting mechanism, a mounting disc, a quick mounting mechanism and a drill bit, wherein the top plate is arranged above the bottom plate, the lifting mechanism is arranged between the bottom plate and the top plate, the lifting plate is arranged on the lifting mechanism, the first driving motor is fixedly connected to the top end of the lifting plate, the output end of the first driving motor penetrates the top wall of the lifting plate and is connected with the mounting disc, the quick mounting mechanism is arranged in the mounting disc, and the quick mounting mechanism clamps the drill bit.

2. A bench drill according to claim 1, characterised in that The lifting mechanism comprises guide rods and lead screws, and two groups of the guide rods and the lead screws are arranged.

3. A bench drill according to claim 2, characterised in that The two groups of lead screws are rotationally connected between the guide rods and the lead screws, the lifting plate is threadedly connected to the lead screws, and the lifting plate is slidingly connected to the outer surface of the guide rods.

4. A bench drill according to claim 2, characterised in that The top of the lead screw is fixedly connected with a first bevel gear, and the top end of the top plate is fixedly installed with a double-shaft motor.

5. A bench drill according to claim 4, characterised in that The output ends of the double-shaft motor are fixedly installed with second bevel gears, and the second bevel gears are engaged with the first bevel gears.

6. A bench drill according to claim 2, characterised in that The outer surface of the guide rod is sleeved with a buffer spring, the bottom of the buffer spring is fixedly connected with the bottom plate, and the other end of the buffer spring is fixedly connected with a buffer plate, and the buffer plate is slidingly connected with the guide rod.

7. A bench drill according to claim 1, characterised in that The quick mounting mechanism comprises a rotating ring, the rotating ring is rotationally connected in the mounting disc, the inner and outer circumferential surfaces of the rotating ring are respectively connected with inner and outer teeth, and the mounting disc is further rotationally connected with a group of driving gears and a plurality of driven gears.

8. A bench drill according to claim 7, characterised in that The driving gear is engaged with the outer tooth, and the plurality of driven gears are engaged with the inner tooth.

9. A bench drill according to claim 7, characterised in that The mounting disc is welded with a fixed ring, a plurality of clamping pieces are slidingly connected in the fixed ring, the plurality of clamping pieces are fixedly installed with racks, and the plurality of racks are respectively engaged with the plurality of driven gears.

10. A bench drill according to claim 7, characterised in that The mounting disc is further provided with a second driving motor for driving the driving gear to rotate, the output end of the second driving motor drives the driving gear to rotate, so that the outer tooth, the rotating ring and the inner tooth rotate as a whole, and all the driven gears are driven to rotate synchronously.

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