CN213469616U - Bench drill for spring restoration - Google Patents

Abstract

The utility model belongs to the technical field of the bench drill, especially, a bench drill for spring recovers, after using for a long time to current reset spring, elastic pressure can weaken, is difficult to follow-up when leading to the aircraft nose to recover in time, influences the problem of work piece processing easily, now proposes following scheme, and it includes the base, the top fixed mounting of base has the back shaft, and sliding connection has the removal case on the back shaft, and one side of removal case is rotated and is connected with the pivot, one side of removal case is equipped with reset spring, reset spring and pivot fixed connection, and fixed mounting has the motor on the bottom inner wall of removal case, rotates on the removal case and is connected with the drill bit, and the drill bit is connected with the output shaft transmission of motor. The utility model is simple in operation, convenient to use, can be nimble control the bench drill, and its lift is operated through artifical and reset spring, and the cost is lower, can also carry out the centre gripping location to the work piece when drilling man-hour simultaneously, and the people of being convenient for use.

Description

Bench drill for spring restoration

Technical Field

The utility model relates to a bench drill technical field especially relates to a bench drill for spring recovers.

Background

A bench drilling machine is a bench drill for short, and refers to a small-sized drilling machine which can be placed on an operation table and is provided with a main shaft in vertical arrangement. The diameter of the bench drill is generally less than 13 mm, and generally not more than 25 mm. The main shaft speed change is generally realized by changing the position of a triangular belt on a tower-shaped belt wheel, and the main shaft feeding is manually operated. The spring within the drill bit is typically used to return the bit when the drill bit is in use.

An electric lifting bench drill for deep hole machining is provided with an application number of 201721144017. X. Comprises a base, an upright post arranged on the base and a bench drill support frame arranged on the upright post; one end of the bench drill support frame is provided with a drill bit and a motor; a hand swing lifting wheel is also arranged at the drill bit; a guide sleeve is arranged in the middle of the bench drill support frame, and the stand column is connected with the bench drill support frame through the guide sleeve; one side of the guide sleeve is also provided with a lead screw transmission guide sleeve; the electric lifting bench drill also comprises a cross rod support arranged at the top of the upright post support, a motor and a lead screw are arranged on the cross rod support, and a lead screw belt is connected with the motor; the lead screw passes through a lead screw transmission guide sleeve arranged on the bench drill support frame. The utility model provides an electric lift bench drill has increased lead screw and the control motor that the control bench drill support frame goes up and down on the basis of original bench drill equipment, can make bench drill support frame lift removal to realize bigger depth of processing.

The conventional bench drill is electrically lifted when in use, has poor flexibility during processing, is difficult to control and has high cost, so that the bench drill for restoring the spring is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present reset spring and after long-time the use, elastic pressure can weaken, is difficult to in time follow-up when leading to the aircraft nose to restore, influences the shortcoming of work piece processing easily, and the bench drill who is used for the spring to restore that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bench drill for spring recovers, includes the base, the top fixed mounting of base has the back shaft, and sliding connection has the removal case on the back shaft, and one side of removal case is rotated and is connected with the pivot, one side of removal case is equipped with the reset spring, reset spring and pivot fixed connection, fixed mounting has the motor on the bottom inner wall of removal case, rotates on the removal case and is connected with the drill bit, and the drill bit is connected with the output shaft transmission of motor, sliding connection has the board of placing on the back shaft, sliding connection has the splint that two symmetries set up on placing the board, and two splint cooperate with the drill bit, one side fixed mounting of removal case has the handle.

Preferably, a first gear is fixedly mounted on the rotating shaft, a rack is arranged on one side of the supporting shaft, the rack is meshed with the first gear, the moving box drives the rotating shaft to move, and the rotating shaft is meshed with the rack through the first gear to form rotation, so that the restoring spring is driven to be compressed.

Preferably, sliding connection has the buffer board on the back shaft, and the top fixed mounting of buffer board has buffer spring, buffer spring's top and removal case fixed connection, and the removal case that removes supports the ratch through buffer spring and buffer board and presses.

Preferably, place the top of board and seted up and remove the hole, remove hole and two splint sliding connection, and rotate on the inner wall in removal hole and be connected with the bull stick, be equipped with the screw thread that two symmetries set up on the bull stick, screw thread and the splint threaded connection who corresponds, two splint of threaded connection drive that pivoted bull stick can set up through two symmetries and splint move in opposite directions.

Preferably, fixed mounting has two second gears on the bull stick, and the bottom fixed mounting of buffer board has the ratch of two symmetry settings, ratch and the second gear intermeshing that corresponds, and ratch and place board sliding connection, and the buffer board that removes can drive the bull stick through the intermeshing of ratch and second gear and rotate.

Preferably, threaded connection has the nut on the back shaft, and the nut cooperatees with placing the board, and the nut is fixed a position placing the board through the threaded connection with the back shaft.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the rack is meshed with the first gear, and the rotating shaft is connected with the restoring spring, so that the moving box can drive the rotating shaft to move, and further drive the rotating shaft to rotate, and the restoring spring is compressed;

(2) because the toothed bar and the second gear are meshed with each other, and the two threads on the rotating rod are connected with the threads of the corresponding clamping plates, the movable box can drive the two clamping plates to clamp and position the workpiece.

The utility model is simple in operation, convenient to use, can be nimble control the bench drill, and its lift is operated through artifical and reset spring, and the cost is lower, can also carry out the centre gripping location to the work piece when drilling man-hour simultaneously, and the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural diagram of a bench drill for spring restoration according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a bench drill for spring restoration according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a bench drill for spring recovery according to the present invention.

In the figure: 1. a base; 2. a support shaft; 3. a mobile box; 4. a motor; 5. a drill bit; 6. a return spring; 7. a rotating shaft; 8. a first gear; 9. placing the plate; 10. a nut; 11. a buffer plate; 12. a rack bar; 13. a buffer spring; 14. moving the hole; 15. a rotating rod; 16. a splint; 17. a second gear; 18. a handle; 19. a rack.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a bench drill for spring is resumeed, including base 1, base 1's top fixed mounting has back shaft 2, sliding connection has removal case 3 on back shaft 2, one side of removal case 3 rotates and is connected with pivot 7, one side of removal case 3 is equipped with reset spring 6, reset spring 6 and pivot 7 fixed connection, fixed mounting has motor 4 on the bottom inner wall of removal case 3, sliding connection has drill bit 5 on the removal case 3, drill bit 5 is connected with motor 4's output shaft transmission, sliding connection has on back shaft 2 places board 9, sliding connection has two splint 16 that the symmetry set up on placing board 9, two splint 16 cooperate with drill bit 5, one side fixed mounting of removal case 3 has handle 18.

In this embodiment, the first gear 8 is fixedly installed on the rotating shaft 7, a rack 19 is disposed on one side of the supporting shaft 2, and the rack 19 is meshed with the first gear 8.

In this embodiment, sliding connection has buffer plate 11 on back shaft 2, and buffer plate 11's top fixed mounting has buffer spring 13, buffer spring 13's top and removal case 3 fixed connection.

In this embodiment, place the top of board 9 and seted up removal hole 14, remove hole 14 and two splint 16 sliding connection, and rotate on the inner wall of removal hole 14 and be connected with bull stick 15, be equipped with the screw thread that two symmetries set up on bull stick 15, screw thread and the 16 threaded connection of splint that correspond.

In this embodiment, two second gears 17 are fixedly mounted on the rotating rod 15, two symmetrically-arranged toothed bars 12 are fixedly mounted at the bottom of the buffer plate 11, the toothed bars 12 are meshed with the corresponding second gears 17, and the toothed bars 12 are slidably connected with the placing plate 9.

In this embodiment, the supporting shaft 2 is screwed with a nut 10, and the nut 10 is matched with the placing plate 9.

Example two

Referring to fig. 1-3, a bench drill for spring is resumeed, including base 1, the welding of base 1's top has back shaft 2, sliding connection has removal case 3 on back shaft 2, one side of removal case 3 rotates and is connected with pivot 7, one side of removal case 3 is equipped with reset spring 6, reset spring 6 and pivot 7 fixed connection, there is motor 4 through the bolt fastening on the bottom inner wall of removal case 3, sliding connection has drill bit 5 on the removal case 3, drill bit 5 is connected with motor 4's output shaft transmission, sliding connection has place board 9 on back shaft 2, sliding connection has two splint 16 that the symmetry set up on placing board 9, two splint 16 cooperate with drill bit 5, one side welding of removal case 3 has handle 18.

In this embodiment, the welding has first gear 8 on the pivot 7, and one side of back shaft 2 is equipped with rack 19, and rack 19 and first gear 8 intermeshing, and the removal removes case 3 and drives pivot 7 and remove, thereby pivot 7 forms the rotation through the intermeshing of first gear 8 and rack 19, and then drives restoring spring 6 and appear compressing.

In this embodiment, sliding connection has buffer plate 11 on back shaft 2, and buffer spring 13 has been welded at buffer plate 11's top, and buffer spring 13's top and removal case 3 fixed connection, the removal case 3 that removes support gear lever 12 through buffer spring 13 and buffer plate 11 and press.

In this embodiment, place the top of board 9 and seted up removal hole 14, remove hole 14 and two splint 16 sliding connection, and rotate on the inner wall of removal hole 14 and be connected with bull stick 15, be equipped with the screw thread that two symmetries set up on bull stick 15, screw thread and the 16 threaded connection of splint that correspond, two splint 16 of threaded connection drive that pivoted bull stick 15 can set up through two symmetries and splint 16 move in opposite directions.

In this embodiment, the welding has two second gears 17 on the bull stick 15, and the welding has the ratch 12 that two symmetries set up in the bottom of buffer board 11, ratch 12 and the second gear 17 intermeshing that corresponds, and ratch 12 with place board 9 sliding connection, the buffer board 11 of removal can drive bull stick 15 through the intermeshing of ratch 12 with second gear 17 and rotate.

In this embodiment, threaded connection has nut 10 on the back shaft 2, and nut 10 cooperatees with placing board 9, and nut 10 fixes a position placing board 9 through the threaded connection with back shaft 2.

In the embodiment, in operation, the output shaft of the motor 4 is connected to drive the drill bit 5 to rotate through transmission, when a workpiece needs to be drilled, the workpiece is placed on the placing plate 9, the moving box 3 is pressed downwards through the handle 18, the moving box 3 drives the rotating shaft 7 to move, the rotating shaft 7 forms autorotation through the mutual engagement of the first gear 8 and the rack 19, the rotating shaft 7 drives the restoring spring 6 to compress, so as to have reverse acting force on the rotating shaft 7, meanwhile, the moving box 3 moving downwards drives the buffer plate 11 to move downwards through the buffer spring 13, the buffer plate 11 drives the rack bar 12 to move downwards, the rack bar 12 drives the rotating rod 15 to rotate through the mutual engagement with the second gear 17, the rotating rod 15 is connected with the threads of the clamp plates 16 through two symmetrically arranged threads to drive the two clamp plates 16 to approach each other, so as to clamp and position the workpiece, after the drilling is finished, the buffer spring 13 and the return spring 6 drive the movable box 3 to reset. All structures in this application can carry out the selection of material and length according to actual use condition, and the attached drawing is schematic structure chart, and specific actual dimensions can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims (6)

1. A bench drill for spring recovery comprises a base (1) and is characterized in that a supporting shaft (2) is fixedly installed at the top of the base (1), a movable box (3) is connected onto the supporting shaft (2) in a sliding manner, a rotating shaft (7) is rotatably connected to one side of the movable box (3), one side of the movable box (3) is provided with a restoring spring (6), the restoring spring (6) is fixedly connected with the rotating shaft (7), a motor (4) is fixedly arranged on the inner wall of the bottom of the movable box (3), a drill bit (5) is rotatably connected on the movable box (3), the drill bit (5) is in transmission connection with an output shaft of the motor (4), the utility model discloses a drill bit, including back shaft (2), place board (9) and place board (9) on the back shaft (2) sliding connection, place board (9) sliding connection has splint (16) that two symmetries set up, and two splint (16) cooperate with drill bit (5), one side fixed mounting of removal case (3) has handle (18).

2. The bench drill for spring return of claim 1, wherein the first gear (8) is fixedly mounted on the rotating shaft (7), a rack (19) is arranged on one side of the supporting shaft (2), and the rack (19) is meshed with the first gear (8).

3. The bench drill for spring restoration according to claim 1, wherein a buffer plate (11) is slidably connected to the support shaft (2), a buffer spring (13) is fixedly mounted on the top of the buffer plate (11), and the top end of the buffer spring (13) is fixedly connected with the movable box (3).

4. The bench drill for spring restoration according to claim 1, wherein a moving hole (14) is formed at the top of the placing plate (9), the moving hole (14) is slidably connected with the two clamping plates (16), a rotating rod (15) is rotatably connected to the inner wall of the moving hole (14), two symmetrically arranged threads are formed on the rotating rod (15), and the threads are in threaded connection with the corresponding clamping plates (16).

5. The bench drill for spring restoration according to claim 4, wherein two second gears (17) are fixedly mounted on the rotating rod (15), two symmetrically arranged toothed bars (12) are fixedly mounted on the bottom of the buffer plate (11), the toothed bars (12) are meshed with the corresponding second gears (17), and the toothed bars (12) are slidably connected with the placing plate (9).

6. The bench drill for spring return of claim 1, characterized in that a nut (10) is screwed on the support shaft (2), the nut (10) cooperating with the resting plate (9).

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