Eccentric drill tooth pressing device

Abstract

The eccentric drill tooth pressing device comprises a machining table, a mounting frame is fastened to one side of the top of the machining table, a pressing mechanism is connected to the mounting frame through a lifting mechanism, an inclined plane is arranged at the top of the machining table, and a through groove located under the pressing mechanism is formed in the inclined plane; third fixing seats are symmetrically connected to the bottom of the machining table along the through groove, an outer sleeve is rotationally connected between the third fixing seats through a rotating shaft, one end of the rotating shaft is connected with a driving mechanism, and the outer sleeve rotates along the rotating shaft under the driving of the driving mechanism; an inner sleeve used for containing an eccentric drill is coaxially arranged in the outer sleeve, and the top of the outer sleeve is coaxially connected with a second annular base. According to the device, stable rotation of the inner sleeve at the top of the outer sleeve can be achieved, rotation adjustment of the outer sleeve is achieved when the rotating shaft is driven to rotate, different positions of the surface of the eccentric drill can be conveniently adjusted to the position under a press-fit head, and great convenience is brought to press-fit of drill teeth.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drill bit pressing, in particular to a drill bit pressing device for eccentric drill. BACKGROUND

[0002] The eccentric drill bit is a kind of drilling tool with asymmetric distribution of steel body or matrix around the axis of the drill bit. Its structure makes the center of the drill bit deviate from the axis, and the hole wall is expanded by cutting through centrifugal force when rotating. It is mainly used for casing extension, hole expansion in easy shrinkage formation and follow-up drilling in complex formation, and is often used with casing to improve hole wall stability.

[0003] The existing eccentric drill bit is usually placed manually in the mounting hole reserved at the top of the eccentric drill bit during drill bit installation, and is fastened at the top of the eccentric drill bit by manual pressing or mechanical pressing. However, both of the above methods are not convenient for placing the eccentric drill bit, and since the top of the eccentric drill bit is arc-shaped, it is not convenient for the operator to vertically place the mounting hole at the top of the eccentric drill bit and the pressing mechanism, which brings great inconvenience to production and processing, and thus reduces the processing efficiency. SUMMARY

[0004] In view of the above problems, the present application provides a drill bit pressing device for eccentric drill, which has the advantages of convenient rotation adjustment of the eccentric drill, so that different positions on the surface of the eccentric drill can be located directly below the pressing head, greatly facilitating the pressing, and solving the problems in the above background technology.

[0005] The technical scheme of the present application is as follows: a drill bit pressing device for eccentric drill, comprising a machining table, a mounting bracket is fixed on one side of the top of the machining table, a pressing mechanism is connected to the mounting bracket through a lifting mechanism, an inclined surface is provided on the top of the machining table, and a through groove is formed in the inclined surface below the pressing mechanism; a third fixing seat is symmetrically connected to the bottom of the machining table along the through groove, an outer sleeve is rotatably connected between the third fixing seats through a rotating shaft, one end of the rotating shaft is connected to a driving mechanism, and the outer sleeve rotates along the rotating shaft under the driving of the driving mechanism; an inner sleeve for placing the eccentric drill is coaxially arranged in the outer sleeve, a second annular seat is coaxially connected to the top of the outer sleeve, a first annular seat coaxial with the second annular seat is connected to the inner sleeve, and the second annular seat and the first annular seat are rotatably connected.

[0006] Optionally, a ring-shaped mounting groove is coaxially formed in the top of the second annular seat, a plurality of balls are connected inside the ring-shaped mounting groove, and a ring-shaped clamping groove is formed in the top of the first annular seat, the top of the ball being located in the ring-shaped clamping groove.

[0007] Optionally, a limiting groove is arranged at the top of the inner sleeve, and the eccentric drill is coaxially arranged in the limiting groove.

[0008] Optionally, an annular seat is coaxially arranged outside the inner sleeve, and the inner wall of the annular seat is connected with the outer wall of the inner sleeve through a plurality of reinforcing rods.

[0009] Optionally, the driving mechanism comprises a worm wheel coaxially connected to the end of the rotating shaft, and a worm is connected to the machining table through a bearing, and the worm and the worm wheel are in meshing connection.

[0010] Optionally, the top of the worm extends to the top of the inclined surface, and a support seat is coaxially connected to the top of the worm, the support seat is a circular support seat with a diameter larger than that of the worm, and a handle is vertically arranged at the top edge of the support seat and is rotationally connected to the support seat.

[0011] Optionally, the end of the rotating shaft is rotationally connected to a first fixing seat, and the first fixing seat is fixedly connected to the bottom of the machining table. The bottom of the machining table is fixedly connected to a second fixing seat, and the bottom of the worm is rotationally connected to the second fixing seat.

[0012] Optionally, the pressing mechanism comprises a support connected to the bottom of the lifting mechanism, and a pressing head is tightly fastened to the bottom of the support, and the pressing head is located above the eccentric drill.

[0013] Optionally, the lifting mechanism comprises a telescopic mechanism tightly fastened to the mounting frame, a connecting seat is tightly fastened to the bottom of the telescopic mechanism, the support is tightly fastened to the bottom of the connecting seat, a plurality of guide rods are vertically connected to the top of the support, and the top of the guide rod penetrates through the mounting frame.

[0014] Optionally, the telescopic mechanism is a hydraulic telescopic rod.

[0015] Compared with the prior art, when the annular seat is rotated, the inner sleeve can be stably rotated at the top of the outer sleeve, and the inner sleeve and the outer sleeve can be detachable, when adjusting, the handle is held to drive the support to rotate, and then under the cooperation of the worm and the worm wheel, the rotating shaft can be driven to rotate, and then the rotation adjustment of the outer sleeve can be realized, which greatly facilitates the rotation adjustment of the eccentric drill in the inner sleeve, and the different positions on the surface can be located directly below the pressing head, thereby greatly facilitating the pressing of the drill teeth, and effectively improving the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the present application.

[0018] Figure 2 It is a bottom structural schematic diagram of the present application.

[0019] Figure 3 It is an internal structural schematic diagram of the present application.

[0020] Figure 4 It is a connection diagram of the inner sleeve and the outer sleeve of the present application.

[0021] Figure 5 It is a connection diagram of the annular seat and the inner sleeve of the present application.

[0022] Figure 6 It is a connection sectional view of the annular seat and the inner sleeve of the present application.

[0023] In the figure: 1, placing groove; 2, material containing disc; 3, through groove; 4, annular seat; 5, supporting seat; 6, handle; 7, control box; 8, inclined surface; 9, processing table; 10, mounting frame; 11, pressing head; 12, support; 13, connecting seat; 14, guide rod; 15, telescopic mechanism; 16, pedal; 17, supporting pad; 18, eccentric drill; 19, first fixing seat; 20, worm gear; 21, worm; 22, second fixing seat; 23, outer sleeve; 24, inner sleeve; 25, rotating shaft; 26, third fixing seat; 27, reinforcing rod; 28, first annular seat; 29, second annular seat; 30, limiting groove; 31, bearing; 32, annular mounting groove; 33, ball; 34, annular clamping groove; 35, illuminating lamp. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below in combination with the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0025] REFERENCE Figures 1 to 6The application provides a technical scheme: an eccentric drill tooth pressing device, comprising a machining table 9, a mounting frame 10 is fixed on one side of the top of the machining table 9, and a pressing mechanism is connected to the mounting frame 10 through a lifting mechanism, wherein the pressing mechanism comprises a support 12 connected to the bottom of the lifting mechanism, a pressing head 11 for pressing the drill bit is fixed on the bottom of the support 12, and the pressing head 11 is located above the eccentric drill 18, meanwhile, the lifting mechanism comprises a telescopic mechanism 15 fixed on the mounting frame 10, the bottom of the telescopic mechanism 15 is fixed with a connecting seat 13, the support 12 is fixed on the bottom of the connecting seat 13, in order to ensure the stability of the connecting seat 13 during lifting, a plurality of guide rods 14 are vertically connected to the top of the support 12, the top of the guide rod 14 penetrates through the mounting frame 10, and under the pushing action of the telescopic mechanism 15, the up-down sliding adjustment of the pressing head 11 can be realized, and then the drill bit can be quickly pressed and installed, and in actual use, the telescopic mechanism 15 is one of a hydraulic telescopic rod, an air cylinder and an electric telescopic rod.

[0026] As shown in Figure 1 , an inclined surface 8 is arranged on the top of the machining table 9, the arranged inclined surface 8 improves the comfort of the operator during processing, and is beneficial to improving the processing efficiency, a through groove 3 located directly below the pressing mechanism is formed in the inclined surface 8, the bottom of the machining table 9 is symmetrically connected with a third fixed seat 26 along the through groove 3, and an outer sleeve 23 is rotationally connected between the third fixed seats 26 through a rotating shaft 25, one end of the rotating shaft 25 is connected with a driving mechanism, and under the driving of the driving mechanism, the outer sleeve 23 rotates along the rotating shaft 25, and when the outer sleeve 23 rotates along the rotating shaft 25, the position of the eccentric drill during processing can be conveniently adjusted, which greatly facilitates the pressing processing.

[0027] As shown in Figure 3 , 4 , wherein the driving mechanism comprises a worm wheel 20 coaxially connected to the end of the rotating shaft 25, a worm 21 is connected to the machining table 9 through a bearing 31, the worm 21 and the worm wheel 20 are meshingly connected, the end of the rotating shaft 25 is rotationally connected with a first fixed seat 19, and the first fixed seat 19 and the bottom of the machining table 9 are fixedly connected; the bottom of the machining table 9 is fixedly connected with a second fixed seat 22, and the bottom of the worm 21 is rotationally connected with the second fixed seat 22, under the cooperation of the worm 21 and the worm wheel 20, the rotating shaft 25 can be driven to rotate, and then the rotating adjustment of the outer sleeve 23 can be realized.

[0028] At the same time, in order to facilitate the user to rotate and adjust the worm 21, the top of the worm 21 extends to the top of the inclined surface 8, and a support seat 5 is coaxially connected to the top of the worm 21, the support seat 5 is a circular support seat with a diameter larger than that of the worm 21, a handle 6 is vertically arranged at the top edge of the support seat 5 and is rotationally connected to the support seat 5, when adjusting, the handle 6 is held to drive the support seat 5 to rotate, thereby achieving effective rotation of the worm 21, and since the handle 6 is arranged at the top edge of the support seat 5, the manpower during rotation can be saved, thereby greatly facilitating the adjustment.

[0029] As shown in Figure 4 , 5 , the inner sleeve 24 is coaxially arranged in the outer sleeve 23 for placing the eccentric drill 18, in order to improve the stability of the eccentric drill 18 placed in the inner sleeve 24, a limiting groove 30 is formed at the top of the inner sleeve 24, and the eccentric drill 18 is coaxially arranged in the limiting groove 30, and in order to facilitate the user to rotate the annular seat 4, the annular seat 4 is coaxially arranged outside the inner sleeve 24, and the inner wall of the annular seat 4 is connected to the outer wall of the inner sleeve 24 through a plurality of reinforcing rods 27, the gap between the annular seat 4 and the reinforcing rod 27 is beneficial to the operator to hold the annular seat 4, thereby facilitating the operation of rotation.

[0030] As shown in Figure 5 , 6 , the second annular seat 29 is coaxially connected to the top of the outer sleeve 23, the first annular seat 28 is coaxially connected to the inner sleeve 24, and the second annular seat 29 and the first annular seat 28 are rotationally connected, in order to realize stable rotation between the second annular seat 29 and the first annular seat 28, a ring-shaped mounting groove 32 is coaxially formed at the top of the second annular seat 29, a plurality of balls 33 are connected inside the ring-shaped mounting groove 32, and a ring-shaped clamping groove 34 is formed at the top of the first annular seat 28, the top of the ball 33 is located in the ring-shaped clamping groove 34, when the annular seat 4 is rotated, the inner sleeve 24 can be stably rotated at the top of the outer sleeve 23, and the inner sleeve 24 and the outer sleeve 23 can also be detachable.

[0031] In summary, the eccentric drill tooth pressing device, when in use, a placing groove 1 is formed at one side of the top of the machining table 9, and a holding tray 2 is placed in the placing groove 1, the holding tray 2 is used to place the drill teeth, which is convenient for the operator to take the drill teeth, greatly facilitates the machining, and a pedal 16 is installed at the bottom of the machining table 9, at the same time, a lighting lamp 35 is installed on the mounting bracket 10 and located at one side of the telescopic mechanism 15, which is convenient for the operator to place the legs and facilitates the production and processing, and in order to improve the stability of the device, support pads 17 are installed at the four corners of the bottom of the machining table 9, the control box 7 is also included in the present application, the controller is arranged in the control box 7, and the telescopic mechanism 15, the lighting lamp 35 and the controller are installed.

[0032] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An eccentric drill bit pressing device, comprising a processing table (9), characterized in that, A mounting frame (10) is fastened on one side of the top of the processing table (9), and a pressing mechanism is connected to the mounting frame (10) through a lifting mechanism; the top of the processing table (9) is provided with an inclined surface (8), and a through slot (3) is formed in the inclined surface (8) below the pressing mechanism; A third fixing seat (26) is symmetrically connected to the bottom of the processing table (9) along the through slot (3), and an outer sleeve (23) is rotatably connected between the third fixing seat (26) through a rotating shaft (25); one end of the rotating shaft (25) is connected to a driving mechanism, and the outer sleeve (23) rotates along the rotating shaft (25) under the driving of the driving mechanism; The inner sleeve (24) is coaxially arranged in the outer sleeve (23) for placing the eccentric drill (18); the top of the outer sleeve (23) is coaxially connected with a second annular seat (29); the inner sleeve (24) is connected with a first annular seat (28) coaxial with the second annular seat (29); and the second annular seat (29) and the first annular seat (28) are rotatably connected.

2. The eccentric drill bit press assembly of claim 1, wherein, A ring-shaped mounting groove (32) is coaxially formed in the top of the second annular seat (29), and a plurality of rolling balls (33) are connected inside the ring-shaped mounting groove (32); a ring-shaped clamping groove (34) is formed in the top of the first annular seat (28), and the top of the rolling ball (33) is located in the ring-shaped clamping groove (34).

3. The eccentric drill bit press assembly of claim 1 wherein, A limiting groove (30) is formed in the top of the inner sleeve (24), and the eccentric drill (18) is coaxially located in the limiting groove (30).

4. The eccentric drill bit press assembly of claim 3, wherein, A ring-shaped seat (4) is coaxially arranged on the outer portion of the inner sleeve (24), and the inner wall of the ring-shaped seat (4) is connected to the outer wall of the inner sleeve (24) through a plurality of reinforcing rods (27).

5. The eccentric drill bit press assembly of claim 1 wherein, The driving mechanism comprises a worm gear (20) coaxially connected to the end of the rotating shaft (25); a worm shaft (21) is connected to the processing table (9) through a bearing (31); and the worm shaft (21) and the worm gear (20) are meshingly connected.

6. The eccentric drill bit press assembly of claim 5, wherein, The top of the worm shaft (21) extends to the top of the inclined surface (8), and a support seat (5) is coaxially connected to the top of the worm shaft (21); the support seat (5) is a circular support seat with a diameter larger than that of the worm shaft (21); and a handle (6) is vertically arranged at the top edge of the support seat (5) and rotatably connected to the support seat (5).

7. The eccentric drill bit press assembly of claim 5 wherein, A first fixing seat (19) is rotatably connected to the end of the rotating shaft (25); and the first fixing seat (19) is fixedly connected to the bottom of the processing table (9); A second fixing seat (22) is fixedly connected to the bottom of the processing table (9), and the bottom of the worm shaft (21) is rotatably connected to the second fixing seat (22).

8. An eccentric drill bit press assembly as claimed in any one of claims 1 to 7, wherein, The pressing mechanism comprises a support (12) connected to the bottom of the lifting mechanism; the bottom of the support (12) is fastened with a pressing head (11); and the pressing head (11) is located above the eccentric drill (18).

9. The eccentric drill bit press assembly of claim 8, wherein, The lifting mechanism comprises a telescopic mechanism (15) fastened to the mounting frame (10); the bottom of the telescopic mechanism (15) is fastened with a connecting seat (13); the support (12) is fastened to the bottom of the connecting seat (13); and a plurality of guide rods (14) are vertically connected to the top of the support (12) and penetrate through the mounting frame (10).

10. The eccentric drill bit press assembly of claim 9, wherein, The telescopic mechanism (15) is a hydraulic telescopic rod.

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