Drilling machine with drill bit convenient to replace

Abstract

The utility model provides a drilling machine with a drill bit convenient to replace, which comprises a support, a drilling machine main body and a material placing table are arranged on the support, a driving shaft is arranged at the bottom end of a main shaft box of the drilling machine main body, and an assembling seat is arranged at the bottom end of the driving shaft; the drill bit main body is arranged on the assembly seat, and a plurality of reinforcing ribs are arranged on the outer wall of the tail part of the drill bit main body; the assembling part is arranged on the assembling seat and the drill bit main body and is used for limiting the horizontal movement of the drill bit main body on the assembling seat; according to the drilling machine with the drill bit convenient to replace, the locking part is arranged to control the clamping part, the drilling machine body can be rapidly taken, placed and fixed in the assembling part, the drill bit body can be conveniently and rapidly disassembled and assembled, the operation difficulty of workers is reduced, the time for replacing the drill bit is greatly saved, and the workpiece machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the drilling machine technical field, specifically, relate to a drilling machine convenient to replace drill bit. BACKGROUND

[0002] Drilling machine refers to the main use drill bit on the workpiece and processes the hole's machine tool, usually drill bit rotation is the main movement, drill bit axial movement is the feed movement, drilling machine structure is simple, and the machining precision is relatively low, and the drilling machine can drill through hole, blind hole, and special tool can be replaced, and the drilling machine can expand, counter bore, reaming or carry out tapping processing, and the workpiece does not move in the machining process, and the tool moves, and the tool center is aligned with the hole center, and the tool rotates, and the characteristics of the drilling machine is that the workpiece is fixed, and the tool rotates, but the existing drilling machine still has certain defects when using.

[0003] But the drilling machine needs to replace the drill bit frequently according to different processing requirements when using, and the operation of replacing the drill bit needs to rely on special dismounting tools, is difficult to correct quickly, replacing the drill bit is more cumbersome, is not convenient enough, and the efficiency of using the drill bit is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a drilling machine convenient to replace drill bit to solve above-mentioned problem.

[0005] In order to realize the above-mentioned purpose, the utility model embodiment provides a drilling machine convenient to replace drill bit, which comprises a support, the upper installation of the support has a drilling machine main body and a material placing table, the main shaft box bottom end of the drilling machine main body is equipped with a driving shaft, the bottom end of the driving shaft is installed with an assembly seat;

[0006] Drill bit main body, the drill bit main body is arranged on the assembly seat, and the tail part outer wall of the drill bit main body is provided with a plurality of reinforcing ribs;

[0007] Assembly part, the assembly part is arranged on the assembly seat and the drill bit main body, and is used for limiting the horizontal movement of the drill bit main body on the assembly seat;

[0008] Clamping portion, the clamping portion is installed in the assembly seat, and the clamping portion is radially inwards close to the drill bit main body;

[0009] Locking portion, the locking portion is arranged on the assembly seat and is used for limiting the movement of the clamping portion, wherein

[0010] Drive the locking portion, and the clamping portion carries out radial expansion and radial contraction.

[0011] Further, the assembling part comprises an assembling groove formed on the assembling base and matched with the drill bit body and the reinforcing ribs, a guide protrusion fixed on the inner wall of the assembling groove and extending to the outside of the assembling groove, and a guide groove formed on the drill bit body and corresponding to the guide protrusion.

[0012] Further, the clamping part comprises two clamping grooves symmetrically formed in the assembling base and communicated with the assembling groove, two wedge-shaped clamping blocks slidingly installed in the clamping grooves, two clamping springs with one end fixedly connected with the inner walls of the two clamping grooves respectively and the other end fixedly connected with the two wedge-shaped clamping blocks respectively, and two positioning grooves symmetrically formed on the drill bit body.

[0013] Further, the locking part comprises a top control groove formed on the inner wall of the assembling groove, a top control ring slidingly installed in the top control groove and movably sleeved on the outside of the drill bit body, two locking grooves symmetrically formed in the assembling base and communicated with the two clamping grooves respectively, two L-shaped locking rods movably installed in the two locking grooves respectively and with one end extending into the two clamping grooves respectively, two control grooves symmetrically formed in the assembling base, two control rods with one end symmetrically fixed on the top control ring and movably installed in the two control grooves respectively, and two bevel grooves symmetrically formed on the top control ring and matched with the two wedge-shaped clamping blocks.

[0014] Further, the locking part further comprises a control sleeve movably sleeved on the outside of the assembling base, two first control sliding grooves and two second control sliding grooves symmetrically formed on the control sleeve and corresponding to the two L-shaped locking rods and the two control rods respectively.

[0015] The other end of the two L-shaped locking rods is slidingly inserted into the two first control sliding grooves respectively, and the other end of the two control rods is slidingly inserted into the two second control sliding grooves respectively.

[0016] Further, the locking part further comprises two limiting blocks symmetrically fixed on the outer wall of the assembling base, two movable grooves symmetrically formed on the control sleeve and corresponding to the two limiting blocks respectively, and a friction pattern arranged at the lower end of the control sleeve.

[0017] Further, the storage drawer is slidingly connected in the material placing table, and the storage drawer is provided with a placing rack.

[0018] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:

[0019] The drill head convenient to replace of the utility model, through setting up locking part can control clamping part, quickly complete the old drill head body in assembly slot fixed release and new drill head body inserted in assembly slot quick fixing, ensure the efficiency of drill head replacement, and do not need to help special tool, replace more simple and convenient, at the same time, when completing the replacement of drill head body, locking part can effectively limit the activity of clamping part, so that when the drill head body is used, clamping part will not appear accidental release of the fixed condition of drill head body, ensure the stability of drill head body when using after assembly, convenient safe use;

[0020] The drill head convenient to replace of the utility model, when completing the old drill head body from assembly slot, when inserting new drill head body in assembly slot, the guide groove on new drill head body is aligned with the guide block extending from assembly slot, so that the assembly angle of new drill head body is quickly determined, and it is not necessary to rotate and position multiple times when replacing and assembling drill head body, reduce the operation difficulty of workers, and improve the efficiency of workpiece machining operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Figure 1 The utility model shows the perspective view of the utility model;

[0023] Figure 2 The utility model shows the local front view of the utility model;

[0024] Figure 3 The utility model shows the local split perspective of the utility model Figure 1 ;

[0025] Figure 4 The utility model shows the local split perspective of the utility model Figure 1 ;

[0026] Figure 5 The utility model shows the local split perspective of the utility model Figure 2 ;

[0027] Figure 6 The utility model shows the local split perspective of the utility model Figure 2 ;

[0028] Figure 7 The utility model shows the local perspective of the utility model.

[0029] In the drawing

[0030] 1, support; 2, drill main body; 3, material placing table; 4, driving shaft; 5, assembly seat; 6, drill bit main body; 7, reinforcing rib; 8, assembly part; 9, clamping part; 10, locking part; 11, assembly groove; 12, guide protrusion; 13, guide groove; 14, clamping groove; 15, wedge-shaped clamping block; 16, clamping spring; 17, positioning groove; 18, top control groove; 19, top control ring; 20, locking groove; 21, L-shaped locking rod; 22, control groove; 23, control rod; 24, chamfered groove; 25, control sleeve; 26, first control sliding groove; 27, second control sliding groove; 28, limiting block; 29, movable groove; 30, friction pattern; 31, storage drawer; 32, placing rack. DETAILED DESCRIPTION

[0031] The utility model will be explained in further detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so it only shows the structure related to the utility model.

[0032] As Figures 1-7 shown, a drill press convenient for replacing drill bits, comprising: support 1, the upper installation of support 1 has drill main body 2 and material placing table 3, the bottom end of main shaft box of drill main body 2 is equipped with driving shaft 4, and the bottom end of driving shaft 4 is installed with assembly seat 5;

[0033] Drill bit main body 6 is arranged on assembly seat 5, and the outer wall of the tail of drill bit main body 6 is provided with a plurality of reinforcing ribs 7;

[0034] Assembly part 8 is arranged on assembly seat 5 and drill bit main body 6 and is used to limit the horizontal movement of drill bit main body 6 on assembly seat 5;

[0035] Clamping part 9 is installed in assembly seat 5, and clamping part 9 is radially inwards close to drill bit main body 6;

[0036] Locking part 10 is arranged on assembly seat 5 and is used to limit the movement of clamping part 9, wherein

[0037] Drive locking part 10, and clamping part 9 carries out radial expansion and radial contraction;

[0038] When the drill bit body 6 needs to be replaced during the use of the drilling machine body 2, the control sleeve 25 is first rotated, so that the two movable grooves 29 on the control sleeve 25 are aligned with the two limiting blocks 28 on the assembly seat 5, then the control sleeve 25 is lifted up, which can drive the two L-shaped locking rods 21 and the two control rods 23 to move upwards in sequence, so that the two L-shaped locking rods 21 release the activity restriction on the two wedge-shaped clamping blocks 15, the top control ring 19 is driven by the two control rods 23 to move upwards, pushes the two wedge-shaped clamping blocks 15 to move in the two clamping groove 14, and compresses the two clamping springs 16, at this time, the two wedge-shaped clamping blocks 15 are separated from the two positioning grooves 17 on the drill bit body 6 to be replaced, so that the drill bit body 6 to be replaced can be directly pulled out from the assembly groove 11, and the new drill bit body 6 is inserted into the assembly groove 11, which ensures the quickness of disassembling the drill bit body 6; When the new drill bit body 6 is inserted, the guide groove 13 and the guide protrusion 12 cooperate to quickly complete the positioning of the new drill bit insertion angle, so that the new drill bit body 6 does not need to be rotated and positioned multiple times during replacement and assembly, which improves the efficiency of drill bit assembly; After the new drill bit body 6 is inserted into the assembly groove 11, the control sleeve 25 is loosened, and under the elastic force of the two clamping springs 16, the two wedge-shaped clamping blocks 15 are inserted into the two positioning grooves 17 on the new drill bit body 6, which limits the movement of the new drill bit body 6 in the assembly groove 11, completes the quick assembly of the new drill bit body 6, ensures the efficiency of drill bit replacement, and does not need to rely on special tools, which is more simple and convenient to replace; At the same time, under the pushing of the two wedge-shaped clamping blocks 15, the top control ring 19 drives the control sleeve 25 to move downwards and reset, and then drives the two L-shaped locking rods 21 to be inserted into the two clamping grooves 14, respectively, which limits the movement of the two wedge-shaped clamping blocks 15, and when the two movable grooves 29 on the control sleeve 25 are dislocated with the two limiting blocks 28 on the assembly seat 5, the vertical movement of the control sleeve 25 is limited, which ensures the position limiting effect of the two L-shaped locking rods 21 on the two wedge-shaped clamping blocks 15, so that when the drilling machine body 2 works, the drive shaft 4 controls the assembly seat 5 to drive the drilling machine body 2 to rotate and work, the clamping part 9 will not be loose, which ensures the stability of the drill bit body 6 during use after assembly, and facilitates safe use; At the same time, the storage drawer 31 in the placement table 3 can store the drill bit body 6 during replacement, which is convenient for subsequent replacement and use of the drill bit body 6.

[0039] Optionally, the assembly part 8 comprises an assembly groove 11 opened on the assembly seat 5 and matched with the drill bit body 6 and the reinforcing ribs 7, a guide protrusion 12 fixed on the inner wall of the assembly groove 11 and extending to the outside of the assembly groove 11, and a guide groove 13 opened on the drill bit body 6 and corresponding to the guide protrusion 12. In use, the guide groove 13 on the drill bit body 6 is aligned with the guide protrusion 12 extending out of the assembly groove 11, so that the assembly angle of the drill bit body 6 is quickly determined, and the drill bit body 6 does not need to be rotated and positioned multiple times during replacement and assembly, thereby reducing the operation difficulty of workers and improving the efficiency of workpiece assembly operation.

[0040] Optionally, the clamping part 9 comprises two clamping grooves 14 symmetrically opened in the assembly seat 5 and communicated with the assembly groove 11, two wedge-shaped clamping blocks 15 slidingly installed in the clamping grooves 14, two clamping springs 16 having one end fixedly connected with the inner walls of the two clamping grooves 14 and the other end fixedly connected with the two wedge-shaped clamping blocks 15, and two positioning grooves 17 symmetrically opened on the drill bit body 6. In use, under the control of the locking part 10, the two wedge-shaped clamping blocks 15 are simultaneously pushed into the clamping grooves 14, and at this time, the drill bit body 6 can be taken out of the assembly groove 11, and the drill bit body 6 is replaced. After the replacement is completed, the control of the locking part 10 on the two wedge-shaped clamping blocks 15 is released, the two wedge-shaped clamping blocks 15 are pushed to approach the drill bit body 6 by the two clamping springs 16, and enter the two positioning grooves 17 on the drill bit body 6, respectively, thereby limiting the vertical movement of the drill bit body 6, and the drill bit body 6 is quickly and stably clamped and fixed in the assembly groove 11.

[0041] Optionally, the locking part 10 comprises a top control groove 18 opened on the inner wall of the assembly groove 11, a top control ring 19 slidingly installed in the top control groove 18 and movably sleeved outside the drill bit body 6, two locking grooves 20 symmetrically opened in the assembly seat 5 and respectively communicated with the two clamping grooves 14, two L-shaped locking rods 21 respectively movably installed in the two locking grooves 20 and respectively extended into the two clamping grooves 14, two control grooves 22 symmetrically opened in the assembly seat 5, two control rods 23 symmetrically fixed on the top control ring 19 and respectively movably arranged in the two control grooves 22, and two beveled grooves 24 symmetrically opened on the top control ring 19 and matched with the two wedge-shaped clamping blocks 15. After the drill bit body 6 is installed in the assembly part 8 through the clamping part 9, the two L-shaped locking rods 21 are respectively inserted into the two clamping grooves 14 to limit the positions of the two wedge-shaped clamping blocks 15, so that the two wedge-shaped clamping blocks 15 are not separated from the two positioning grooves 17 due to centrifugal force when the drill bit body 6 is driven to rotate by the working drill body 2, and the drill bit body 6 is not accidentally separated to cause certain safety problems. When the drill bit body 6 needs to be replaced, the two L-shaped locking rods 21 can be lifted to move in the two locking grooves 20 to release the limitation on the two wedge-shaped clamping blocks 15, and the two control rods 23 are lifted to control the top control ring 19 to move in the top control groove 18, so that the two wedge-shaped clamping blocks 15 are simultaneously separated from the positioning grooves 17 to release the limitation on the drill bit body 6, and the drill bit body 6 is quickly removed. At the same time, since the two beveled grooves 24 matched with the two wedge-shaped clamping blocks 15 are opened on the top control ring 19, the horizontal rotation of the top control ring 19 is effectively limited when the two wedge-shaped clamping blocks 15 abut against the top control ring 19, so that the top control ring 19 is not rotated and deviated to affect the installation of the drill bit body 6 in the assembly part 8.

[0042] Optionally, the locking part 10 further comprises a control sleeve 25 movably sleeved outside the assembly seat 5, two first control sliding grooves 26 and two second control sliding grooves 27 symmetrically opened on the control sleeve 25 and respectively corresponding to the two L-shaped locking rods 21 and the two control rods 23.

[0043] The other ends of the two L-shaped locking rods 21 are respectively slidably inserted into the two first control sliding grooves 26, and the other ends of the two control rods 23 are respectively slidably inserted into the two second control sliding grooves 27. During use, with the lifting of the control sleeve 25, the two L-shaped locking rods 21 and the two control rods 23 inserted into the two first control sliding grooves 26 and the two second control sliding grooves 27 are simultaneously lifted, and when the control sleeve 25 is rotated, the two L-shaped locking rods 21 and the two control rods 23 move in the two first control sliding grooves 26 and the two second control sliding grooves 27, respectively, without affecting the rotation of the control sleeve 25, thereby facilitating the position limitation of the control sleeve 25.

[0044] Optionally, the locking part 10 further comprises two limiting blocks 28 symmetrically fixed on the outer wall of the assembly seat 5, two movable grooves 29 symmetrically formed on the control sleeve 25 and corresponding to the two limiting blocks 28, respectively, and a friction pattern 30 arranged at the lower end of the control sleeve 25. The friction pattern 30 effectively increases the friction between the hands of the worker and the control sleeve 25, so that the worker can effectively rotate and lift the control sleeve 25. When the two movable grooves 29 are misaligned with the two limiting blocks 28, the two limiting blocks 28 can effectively limit the vertical movement of the control sleeve 25 on the assembly seat 5, avoid accidental touch, affect the control of the locking part 10 on the clamping part 9, cause the drill bit body 6 to be accidentally detached, and cause safety problems. When the control sleeve 25 is rotated, the two movable grooves 29 are aligned with the two limiting blocks 28, the control sleeve 25 can be pulled upward, the two limiting blocks 28 are inserted into the two movable grooves 29, respectively, and the two control rods 23 and the two L-shaped locking rods 21 are simultaneously lifted under the driving of the control sleeve 25.

[0045] Optionally, the storage table 3 is slidably connected with a storage drawer 31, and the storage drawer 31 is provided with a placing rack 32. During use, the commonly used drill bits can be placed on the placing rack 32, and part of the commonly used tools can be placed in the space between the placing rack 32 and the storage drawer 31 for storage. Thus, when needed, the storage drawer 31 can be quickly pulled out of the storage table 3 to find the drill bits and tools needed for use, thereby facilitating the operation of the worker.

[0046] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. 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. A drill press facilitating replacement of a drill bit, characterized by, Include: Support (1), the upper installation of the support (1) is provided with a drilling machine body (2) and a material placing table (3), the bottom end of the main shaft box of the drilling machine body (2) is provided with a driving shaft (4), and the bottom end of the driving shaft (4) is provided with an assembly seat (5); Drill body (6), the drill body (6) is arranged on the assembly seat (5), and the tail outer wall of the drill body (6) is provided with a plurality of reinforcing ribs (7); Assembly part (8), the assembly part (8) is arranged on the assembly seat (5) and the drill body (6), and is used for limiting the horizontal movement of the drill body (6) on the assembly seat (5); The clamping part (9) is installed in the assembly seat (5), and the clamping part (9) is radially retracted close to the drill body (6); Locking part (10), the locking part (10) is arranged on the assembly seat (5), and is used for limiting the movement of the clamping part (9), wherein Drive the locking part (10), the clamping part (9) is radially expanded and radially retracted.

2. The drill bed of claim 1, wherein The assembly part (8) comprises an assembly groove (11) opened in the assembly seat (5) and matched with the drill body (6) and a plurality of reinforcing ribs (7), a guide protrusion (12) fixed on the inner wall of the assembly groove (11) and extending to the outside of the assembly groove (11), and a guide groove (13) opened in the drill body (6) and corresponding to the guide protrusion (12).

3. The drill bed of claim 2, wherein The clamping part (9) comprises two clamping grooves (14) symmetrically opened in the assembly seat (5) and communicated with the assembly groove (11), two wedge-shaped clamping blocks (15) slidingly installed in the clamping grooves (14), two clamping springs (16) having one end fixedly connected with the inner walls of the two clamping grooves (14) and the other end fixedly connected with the two wedge-shaped clamping blocks (15), and two positioning grooves (17) symmetrically opened on the drill body (6).

4. The drill bed of claim 3, wherein The locking part (10) comprises a top control groove (18) formed on the inner wall of the assembly groove (11), a top control ring (19) slidingly installed in the top control groove (18) and movably sleeved outside the drill bit body (6), two locking grooves (20) symmetrically formed in the assembly seat (5) and respectively communicated with the two clamping grooves (14), two L-shaped locking rods (21) respectively movably installed in the two locking grooves (20) and respectively extending into the two clamping grooves (14), two control grooves (22) symmetrically formed in the assembly seat (5), two control rods (23) symmetrically fixed on the top control ring (19) and respectively movably arranged in the two control grooves (22), and two chamfered grooves (24) symmetrically formed on the top control ring (19) and matched with the two wedge-shaped clamping blocks (15).

5. The drill press with drill bit convenient to replace according to claim 4, characterized in that, The locking part (10) further comprises a control sleeve (25) movably sleeved outside the assembly seat (5), two first control sliding grooves (26) and two second control sliding grooves (27) symmetrically formed on the control sleeve (25) and respectively corresponding to the two L-shaped locking rods (21) and the two control rods (23); The other ends of the two L-shaped locking rods (21) are respectively slidably inserted into the two first control sliding grooves (26), and the other ends of the two control rods (23) are respectively slidably inserted into the two second control sliding grooves (27).

6. The drill press with drill bit convenient to replace according to claim 5, characterized in that, The locking part (10) further comprises two limiting blocks (28) symmetrically fixed on the outer wall of the assembly seat (5), a movable groove (29) symmetrically formed on the control sleeve (25) and respectively corresponding to the two limiting blocks (28), and a friction pattern (30) arranged at the lower end of the control sleeve (25).

7. The drill press with drill bit convenient to replace according to claim 1, characterized in that, The storage drawer (31) is slidingly connected in the material placing table (3), and the storage drawer (31) is provided with a placing rack (32).

Images