CN212191392U

CN212191392U - Improved bench drilling machine

Info

Publication number: CN212191392U
Application number: CN202020912426.5U
Authority: CN
Inventors: 栾虔勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-22
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses an improved bench drill, the lower extreme welding that includes the drill bushing has the adapter sleeve, one side lower extreme of drill bushing has the motor through bolt fixed mounting, the power take off end welding of motor has first spiral shell dish, one side joint of first spiral shell dish has the second spiral shell dish, first bull stick, second bull stick and third bull stick have been cup jointed to the inside of adapter sleeve, the third spiral shell dish has been cup jointed to the upper end outside of first bull stick, the fourth spiral shell dish has been cup jointed to the lower extreme outside of first bull stick, two fifth spiral shell dishes have been cup jointed to the outside of second bull stick; this practicality sets up each spiral shell dish and assorted auxiliary structure can provide higher rotational speed through the motor rotation, when using, holistic work efficiency is higher to inside bull stick all matches limit structure, when using, can provide limit structure, uses more stably.

Description

Improved bench drilling machine

Technical Field

The utility model relates to a drilling equipment design field specifically is a modified bench drill.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed and a cutter does rotary motion.

A bench drill is a small-sized hole processing machine tool which is convenient to operate and usually arranged on a special worktable. The drilling diameter of the bench drilling machine is generally below 13 mm, and the maximum drilling diameter does not exceed 16 mm. And current bench drill has certain problem:

the structure of current bench drill is comparatively simple, can't control the drilling rod of drill bit when using, its holistic altitude mixture control scope is less, it is not convenient enough when adjusting, there is certain limitation, and current bench drill is when using, its variable speed effect is relatively poor, the rotational speed of drill bit is not fast enough, add man-hour, efficiency is lower, and the variable speed structure of inside has the problem of not stable enough, current bench drill still has the condition of fixing unstability when using in addition, there is certain use problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified bench drill to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved bench drilling machine comprises a drill bushing welded at the lower end of the drill bushing, a motor is fixedly mounted at the lower end of one side of the drill bushing through bolts, a first spiral shell plate is welded at the power output end of the motor, a second spiral shell plate is clamped at one side of the first spiral shell plate, a first rotating rod, a second rotating rod and a third rotating rod are sleeved in the connecting sleeve, a third spiral shell plate is sleeved at the outer side of the upper end of the first rotating rod, a fourth spiral shell plate is sleeved at the outer side of the lower end of the first rotating rod, two fifth spiral shell plates are sleeved at the outer side of the second rotating rod, a fifth spiral shell plate is sleeved at the outer side of the lower end of the third rotating rod, a rotating handle is sleeved at the upper end of the drill bushing, a connecting column is welded at the lower end of the rotating handle, a first spiral shell is welded at the outer side of the connecting column, a limiting ring is connected at the outer side of the rotating handle in a threaded manner, a second spiral shell is welded at the outer side of the first, the lower end of the connecting column is welded with a drill bit.

Preferably, the lower extreme welding of one side of adapter sleeve has the bracing piece, the lower extreme welding of bracing piece has the bottom plate, the stop collar has been cup jointed in the outside of bracing piece, the welding of one side of stop collar has the thing board of putting, fixing bolt has been seted up in the outside of stop collar.

Preferably, the fourth screw disc is matched with the fifth screw disc, the first screw sleeve is matched with the second screw sleeve, and the third screw disc is matched with the second screw disc.

Preferably, the first rotating rod, the second rotating rod and the third rotating rod are all sleeved with limiting circular seats welded with the connecting sleeve.

Preferably, the upper end of the drill bushing is in threaded connection with a plurality of fixing screw rods, and one ends of the second rotating rod and the third rotating rod penetrate through a limiting plate connected with a welding machine in a sleeved mode.

Compared with the prior art, the beneficial effects of the utility model are that:

through each spiral shell dish that sets up and assorted auxiliary structure thereof, can provide higher rotational speed through the motor rotation, when using, holistic work efficiency is higher, and inside bull stick all matches limit structure, when using, can provide limit structure, it is more stable to use, possess certain practicality, holistic beneficial effect has been strengthened greatly, in addition through the rotation handle that sets up and its assorted auxiliary structure, when using, the position of control drill bit that can be better, possess certain beneficial effect, more outstanding than traditional structure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2A according to the present invention;

fig. 4 is a top view of the present invention.

In the figure: 10-a drill bushing; 11-turning the handle; 12-a motor; 13-a first spiral disc; 14-a second spiral disc; 15-fixing the screw rod; 16-a first rotating rod; 17-a third spiral disc; 18-fourth disc; 20-connecting sleeves; 21-connecting column; 22-a drill bit; 23-a first thread insert; 24-a second rotating bar; 25-a third rotating rod; 26-fifth helicoidal disc; 27-a limiting plate; 28-a second thread insert; 29-a stop collar; 30-a support bar; 31-a base plate; 32-a storage plate; 33-a stop collar; 34-fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an improved bench drill includes a drill bushing 10 welded at a lower end thereof with a connection sleeve 20, a motor 12 fixedly mounted at a lower end of one side of the drill bushing 10 through bolts, a first screw disc 13 welded at a power output end of the motor 12, a second screw disc 14 clamped at one side of the first screw disc 13, a first rotating rod 16, a second rotating rod 24 and a third rotating rod 25 sleeved inside the connection sleeve 20, a third screw disc 17 sleeved outside an upper end of the first rotating rod 16, a fourth screw disc 18 sleeved outside a lower end of the first rotating rod 16, two fifth screw discs 26 sleeved outside the second rotating rod 24, a fifth screw disc 26 sleeved outside a lower end of the third rotating rod 25, a rotation handle 11 sleeved in an upper end of the drill bushing 10, a connection column 21 welded at a lower end of the rotation handle 11, a first screw bushing 23 welded outside the connection column 21, the outer side of the rotating handle 11 is in threaded connection with a limiting ring 29, one side, located on the first threaded sleeve 23, of the outer side of the third rotating rod 25 is welded with a second threaded sleeve 28, and the lower end of the connecting column 21 is welded with the drill 22.

The lower end of one side of the connecting sleeve 20 is welded with a supporting rod 30, the lower end of the supporting rod 30 is welded with a bottom plate 31, the outer side of the supporting rod 30 is sleeved with a limiting sleeve 33, one side of the limiting sleeve 33 is welded with an object placing plate 32, the outer side of the limiting sleeve 33 is provided with a fixing bolt 34, the integral supporting structure and the fixing structure of the plate are further described, and the partial structure is mainly used for integrally fixing and fixing a workpiece to be punched; the fourth screw disc 18 is matched with the fifth screw disc 26, the first screw sleeve 23 is matched with the second screw sleeve 28, and the third screw disc 17 is matched with the second screw disc 14, so that the rotating speed caused by the rotation of the motor is provided through the mechanical transmission between each screw disc and each screw sleeve, and the rotating speed is higher and more stable; the first rotating rod 16, the second rotating rod 24 and the third rotating rod 25 are respectively sleeved with a limiting round seat welded with the connecting sleeve 20 and used for limiting each rotating rod to avoid shaking and deviation; the upper end threaded connection of drill bushing 10 has a plurality of clamping screw 15, the limiting plate 27 with the adapter sleeve 20 welding machine is all run through to the one end of second bull stick 24 and third bull stick 25 for provide spacing effect to second bull stick 24 and third bull stick 25, the condition that can not appear rocking takes place when rotating.

The working principle is as follows: when the rotary drill bit is used, a workpiece to be machined is fixed on the object placing plate 32 through a bolt, then the rotary handle 11 is rotated, the limiting sleeve 33 is lifted to a proper position and then the limiting sleeve 33 is fixed through the fixing bolt 34, and then the motor is turned on, the motor drives the first thread plate 13 to rotate, and finally the second thread sleeve 28 is driven to rotate through mechanical transmission, so that the first thread sleeve 23 is driven to rotate, and rotary power is provided for the drill bit 22.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modified bench drill, has adapter sleeve (20) including the lower extreme welding of drill bushing (10), there is motor (12), its characterized in that at one side lower extreme of drill bushing (10) through bolt fixed mounting: the power output end of the motor (12) is welded with a first spiral plate (13), one side of the first spiral plate (13) is connected with a second spiral plate (14) in a clamping manner, a first rotating rod (16), a second rotating rod (24) and a third rotating rod (25) are sleeved in the connecting sleeve (20), a third spiral plate (17) is sleeved outside the upper end of the first rotating rod (16), a fourth spiral plate (18) is sleeved outside the lower end of the first rotating rod (16), two fifth spiral plates (26) are sleeved outside the second rotating rod (24), a fifth spiral plate (26) is sleeved outside the lower end of the third rotating rod (25), a rotating handle (11) is sleeved on the upper end of the drill sleeve (10), a lower end connecting column (21) of the rotating handle (11) is welded with the lower end of the connecting column (21), a first spiral sleeve (23) is welded outside the connecting column (21), and the outer side of the rotating handle (11) is connected with a limiting ring (29) through threads, and a second threaded sleeve (28) is welded on one side, located on the first threaded sleeve (23), of the outer side of the third rotating rod (25), and a drill bit (22) is welded at the lower end of the connecting column (21).

2. An improved bench drill as claimed in claim 1, wherein: the welding of one side lower extreme of adapter sleeve (20) has bracing piece (30), the welding of the lower extreme of bracing piece (30) has bottom plate (31), stop collar (33) have been cup jointed in the outside of bracing piece (30), the welding of one side of stop collar (33) has puts thing board (32), fixing bolt (34) have been seted up in the outside of stop collar (33).

3. An improved bench drill as claimed in claim 1, wherein: the fourth screw disc (18) is matched with the fifth screw disc (26), the first screw sleeve (23) is matched with the second screw sleeve (28), and the third screw disc (17) is matched with the second screw disc (14).

4. An improved bench drill as claimed in claim 1, wherein: and the first rotating rod (16), the second rotating rod (24) and the third rotating rod (25) are all sleeved with limiting circular seats welded with the connecting sleeve (20).

5. An improved bench drill as claimed in claim 1, wherein: the upper end threaded connection of drill bushing (10) has a plurality of clamping screw (15), limiting plate (27) with adapter sleeve (20) welding machine are all run through to the one end of second bull stick (24) and third bull stick (25).