CN213672004U - Bench drill for engineering that practicality is strong - Google Patents

Abstract

The utility model belongs to the technical field of mechanical equipment and specifically relates to a bench drill for engineering that practicality is strong is related to, its technical scheme main points are including headstock and the axis of rotation that can control the headstock motion, be provided with retarding mechanism in the axis of rotation, retarding mechanism includes first belt pulley, second belt pulley and belt, first belt pulley is connected through the belt with the second belt pulley, first belt pulley and axis of rotation fixed connection, the second belt pulley sets up on the headstock and is connected with the headstock rotation, reduce the possibility that the too big drill bit or work piece that leads to of feed volume harm.

Description

Bench drill for engineering that practicality is strong

Technical Field

The application relates to the field of mechanical equipment, in particular to a bench drill for engineering with high practicability.

Background

The bench drilling machine is a small drilling machine widely used at present, and is mainly used for drilling, reaming and the like of small and medium-sized parts.

Referring to fig. 1, bench drill among the relevant art includes base 1, pole setting 2, headstock 3 and workstation 6, pole setting 2 sets up and plays the supporting role to headstock 3 between base 1 and headstock 3, headstock 3 can rotate and reciprocate on pole setting 2, workstation 6 sets up and is used for fixed work piece on base 1, be provided with drill bit 8 with headstock 3 fixed connection above workstation 6, headstock 3 is provided with axis of rotation 31, axis of rotation 31 can drive headstock 3 and work, be provided with handle 5 on the axis of rotation 31, handle 5 and axis of rotation 31 fixed connection, handle 5 drives axis of rotation 31 and rotates and then control headstock 3.

In view of the above-mentioned related art solutions, the inventors found that: since the feed amount of the headstock 3 is controlled by the operator through the control handle 5, when the feed amount is excessively large due to operator's operation mistake, the drill 8 or the workpiece may be damaged.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of damaging a drill bit or a workpiece caused by excessive feeding, the application provides a bench drill for engineering with strong practicability.

The application provides a bench drill for engineering that practicality is strong adopts following technical scheme:

the utility model provides a bench drill for engineering that practicality is strong, includes headstock and the axis of rotation that can control the headstock motion, is provided with retarding mechanism in the axis of rotation, and retarding mechanism includes first belt pulley, second belt pulley and belt, and first belt pulley is connected through the belt with the second belt pulley, first belt pulley and axis of rotation fixed connection, and the second belt pulley setting is on the headstock and is connected with the headstock rotation.

Through adopting above-mentioned technical scheme, the axis of rotation can drive the headstock and move on vertical direction, uses the handle to drive the axis of rotation and rotates, and when handle turned angle was too big, the slow mechanism can slow down the rotation by a wide margin of handle, reduces the transmission and to the epaxial slew velocity of rotation, and the axis of rotation drives the removal of headstock also can slow down to reduce the feed volume of headstock, reduce because the feed volume is too big and the drill bit that leads to or the possibility of work piece harm.

Preferably, a handle capable of driving the second belt pulley to rotate is arranged on the second belt pulley.

Through adopting above-mentioned technical scheme, use the handle to drive the second belt pulley and rotate, it is rotatory to rotate the handle and can drive the second belt pulley, and then controls the motion of headstock.

Preferably, the handle comprises three drive bars arranged uniformly circumferentially along the second pulley.

Through adopting above-mentioned technical scheme, use the handle to drive the second belt pulley, have three actuating lever of evenly arranging on the handle, can use three actuating lever in proper order to drive when using the handle.

Preferably, a tension pulley is provided between the first pulley and the second pulley, and the tension pulley abuts against the belt.

Through adopting above-mentioned technical scheme, make the belt carry out the pretension between first belt pulley and second belt pulley through using the take-up pulley, increase the frictional force of belt on first belt pulley and second belt pulley, reduce the belt pulley and influence power transmission's possibility because the belt is lax in the use.

Preferably, one side of the tensioning wheel, which is far away from the belt, is provided with a pre-tightening spring, one end of the pre-tightening spring is fixedly connected with the spindle box, and the other end of the pre-tightening spring is rotatably connected with the tensioning wheel through an ear plate.

Through adopting above-mentioned technical scheme, the take-up pulley carries out the pretension through the spring, and when the take-up pulley was to the belt tensioning, the spring was in by compression state, and after the belt relaxed, the spring can kick-back and carry out the tensioning with the belt, makes the belt can stably transmit power.

Preferably, a base is arranged below the spindle box, and a universal wheel with a brake is arranged below the base.

Through adopting above-mentioned technical scheme, when needs remove the bench drill, only need loosen the brake on the universal wheel and can promote the bench drill and remove, made things convenient for the removal of bench drill, remove the target location after, step on the brake and can make the bench drill place at the target location.

Preferably, a table is provided on the base, and a clamp plate capable of clamping the workpiece is provided on the table.

Through adopting above-mentioned technical scheme, when the work piece is processed, the drill bit can rotate and cut on the work piece, steps up the work piece and reduces the possibility that the work piece follows the drill bit and rotates.

Preferably, a vertical rod is arranged between the spindle box and the base, a drill bit is arranged below the spindle box, a reserved groove is formed in the workbench, and the reserved groove is arc-shaped and is located under the drill bit.

Through adopting above-mentioned technical scheme, be provided with the preformed groove on the workstation, when the bench drill was driped, the drill bit can pass the work piece and enter into inside the workstation, consequently has seted up the preformed groove on the workstation, and the drill bit can enter into the preformed groove after passing the work piece inside, reduces the damage to the workstation because drill bit and headstock rotate around the stand, consequently the preformed groove is circular-arc with the stand is coaxial.

In summary, the present application has the following technical effects:

1. the handle is arranged and is provided with three driving rods which are uniformly arranged, the handle is rotated by rotating the three driving rods, and the three driving rods are sequentially rotated, so that the handle is more convenient to use;

2. through having set up the reservation groove on the workstation, when the drill bit was drilled the work piece, the drill bit entered into the reservation inslot portion through the work piece, has reduced the harm of drill bit to the workstation.

Drawings

FIG. 1 is a schematic view of a structure of a bench drill in the related art;

FIG. 2 is a schematic view showing the overall structure of a bench drill according to the embodiment of the present application;

FIG. 3 is a schematic view of another perspective of the bench drill of the present application;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure, 1, a base; 11. a universal wheel; 2. erecting a rod; 3. a main spindle box; 31. a rotating shaft; 4. a retarding mechanism; 41. a first pulley; 42. a second pulley; 43. a belt; 44. a tension wheel; 45. pre-tightening the spring; 5. a handle; 6. a work table; 61. reserving a groove; 7. a splint; 8. a drill bit.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 2 and 3, the application provides a bench drill for engineering that practicality is strong, which comprises a base 1, pole setting 2, headstock 3 and workstation 6, pole setting 2 sets up on base 1, and pole setting 2 is mutually perpendicular with base 1, headstock 3 sets up the one end of keeping away from base 1 in pole setting 2, and headstock 3 can rotate on pole setting 2, be provided with drill bit 8 on headstock 3's the lower surface, drill bit 8 is connected with headstock 3, workstation 6 sets up in drill bit 8's below and with base 1 fixed connection, when using the bench drill, place the work piece on workstation 6, drill bit 8 on workstation 6 rotates on headstock 3 and follows headstock 3 and to the direction removal that is close to workstation 6, drill bit 8 can punch the processing to the work piece on workstation 6.

Referring to fig. 3 and 4, a rotating shaft 31 is disposed inside the headstock 3, the rotating shaft 31 can drive the headstock 3 to move on the upright rod 2, a first belt pulley 41 with a horizontal central axis is disposed outside the headstock 3, the rotating shaft 31 penetrates through the headstock 3 and is fixedly connected with the first belt pulley 41, a second belt pulley 42 with a horizontal central axis is disposed outside the headstock 3, the second belt pulley 42 is disposed on one side of the rotating shaft 31 away from the upright rod 2, a belt 43 is disposed between the first belt pulley 41 and the second belt pulley 42, the first belt pulley 41 is connected with the second belt pulley 42 through the belt 43, when the second belt pulley 42 rotates, the first belt pulley 41 and the rotating shaft 31 are driven to rotate, so as to drive the headstock 3 to move and machine and feed, when the second belt pulley 42 rotates at an excessive speed, the first belt pulley 41 and the belt 43 do not rotate together with the second belt pulley 42, the belt 43 slips between the first pulley 41 and the second pulley 42, so that the rotation speed of the first pulley 41 is lower than that of the second pulley 42, and the rotation of the rotating shaft 31 and the movement of the headstock 3 are reduced, thereby limiting the feed amount.

Referring to fig. 3 and 4, a handle 5 is arranged on the second belt pulley 42, the handle 5 is fixedly connected with the second belt pulley 42, the handle 5 rotates to drive the second belt pulley 42 to rotate to realize power input, the handle 5 comprises three driving rods uniformly arranged along the circumferential direction of the second belt pulley 42, when a worker uses the handle 5, the three driving rods are rotated, the three driving rods uniformly arranged uniformly divide the stroke of the circumferentially-rotating handle 5 into three parts, the stroke of the driving rods is reduced, and the use of the handle 5 by the worker is facilitated.

Referring to fig. 3 and 4, a tension pulley 44 is disposed between the first pulley 41 and the second pulley 42, the tension pulley 44 abuts against the belt 43, a pre-tightening spring 45 is disposed at one end of the tension pulley 44 away from the belt 43, the pre-tightening spring 45 is rotatably connected with the tension pulley 44 through an ear plate, one end of the pre-tightening spring 45 away from the tension pulley 44 is fixedly connected with the spindle head 3, the pre-tightening spring 45 is in a compressed state, the tension pulley 44 tightly presses the belt 43 to enable the belt 43 to be in a tensioned state, and after the belt 43 is loosened, the pre-tightening spring 45 rebounds to enable the tension pulley 44 to still abut against the belt 43 and enable the belt 43 to be in the tensioned state, so that the power transmission of the belt.

Referring to fig. 2 and 3, four universal wheels 11 with brakes are arranged below the base 1, the four universal wheels 11 are uniformly distributed at four corner positions below the base 1, when the bench drill is required to be used at different positions, the brakes on the universal wheels 11 are loosened, the bench drill can be pushed to move, the bench drill is greatly convenient to move, and after the bench drill is moved to a target position, the bench drill can be limited to move by treading the brakes on the universal wheels 11.

Referring to fig. 2 and 3, a reserved groove 61 is formed in the workbench 6, the reserved groove 61 is arc-shaped, the center of the arc is located on the axis of the vertical rod 2, the radius of the arc where the reserved groove 61 is located is equal to the distance from the center of the drill bit 8 to the center of the vertical rod 2, when the workpiece is punched, the drill bit 8 can penetrate through the workpiece to reach the inside of the reserved groove 61, the drill bit 8 and the spindle box 3 rotate on the vertical rod 2, the reserved groove 61 is matched with the drill bit 8 to move to be arc-shaped, the circle center of the arc is arranged on the axis of the vertical rod 2, when the drill bit 8 is used at different positions, the inside of the reserved groove 61 can be entered, and damage of.

Referring to fig. 2 and 3, a clamping plate 7 is arranged on the workbench 6, the clamping plate 7 is made of elastic materials, the clamping plate 7 is arranged on the workbench 6 and close to the vertical rod 2, one end of the clamping plate 7 is rotatably connected with the workbench 6, the other end of the clamping plate is abutted to the workbench 6, the middle of the clamping plate is in an arched shape which is bent upwards, the clamping plate 7 can tighten a workpiece placed on the workbench 6, and the workpiece can not be displaced under the action of a drill 8 when being machined, so that the machining precision is improved.

To sum up, the application process of this application is: when the bench drill is used, a workpiece is placed on the workbench 6, the workpiece is clamped by the clamping plate 7, then the bench drill is started, the drill bit 8 starts to rotate, the spindle box 3 is rotated to move the drill bit 8 to a target position, then the spindle box 3 is moved towards the direction close to the workbench 6 by using the handle 5 to process the workpiece on the workbench 6, and after the processing is finished, the spindle box 3 is moved away, the clamping plate 7 is moved away, and the processed workpiece is taken down.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. The utility model provides a bench drill for engineering that practicality is strong, includes headstock (3) and axis of rotation (31) that can control headstock (3) motion, its characterized in that: be provided with retarding mechanism (4) on axis of rotation (31), retarding mechanism (4) are including first belt pulley (41), second belt pulley (42) and belt (43), and first belt pulley (41) are connected through belt (43) with second belt pulley (42), first belt pulley (41) and axis of rotation (31) fixed connection, and second belt pulley (42) set up on headstock (3) and rotate with headstock (3) and be connected.

2. The bench drill for engineering that a practicality is strong according to claim 1, characterized in that: a handle (5) which can drive the second belt pulley (42) to rotate is arranged on the second belt pulley (42).

3. The bench drill for engineering that a practicality is strong according to claim 2, characterized in that: the handle (5) comprises three drive rods uniformly arranged circumferentially along the second pulley (42).

4. The bench drill for engineering that a practicality is strong according to claim 2, characterized in that: a tension pulley (44) is arranged between the first pulley (41) and the second pulley (42), and the tension pulley (44) is in contact with the belt (43).

5. The bench drill for engineering that a practicality is strong according to claim 4, characterized by: one side of the tension wheel (44) far away from the belt (43) is provided with a pre-tightening spring (45), one end of the pre-tightening spring (45) is fixedly connected with the spindle box (3), and the other end of the pre-tightening spring is rotatably connected with the tension wheel (44) through an ear plate.

6. The bench drill for engineering that a practicality is strong according to claim 1, characterized in that: a base (1) is arranged below the spindle box (3), and a universal wheel (11) with a brake is arranged below the base (1).

7. The bench drill for engineering that a practicality is strong according to claim 1, characterized in that: a workbench (6) is arranged on the base (1), and a clamping plate (7) capable of clamping a workpiece is arranged on the workbench (6).

8. The bench drill for engineering that a practicality is strong according to claim 7, characterized by: a vertical rod (2) is arranged between the spindle box (3) and the base (1), a drill bit (8) is arranged below the spindle box (3), a reserved groove (61) is formed in the workbench (6), and the reserved groove (61) is arc-shaped and is coaxial with the vertical rod (2) and located under the drill bit (8).

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