CN210548264U

CN210548264U - Bench drill for machining flange plate of differential mechanism

Info

Publication number: CN210548264U
Application number: CN201921612610.1U
Authority: CN
Inventors: 刘传磊; 何建华; 张惠茹
Original assignee: Jinan Ruitian Mechanical Equipment Co Ltd
Current assignee: Jinan Ruitian Mechanical Equipment Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-19
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a bench drill for processing a differential flange, which comprises a drilling part, a base, a stand column arranged on the base and a workbench arranged on the stand column, wherein the workbench is axially and fixedly connected with the stand column; the upright post is provided with a driving device for driving the workbench to rotate, the driving device comprises a worm wheel sleeved on the upright post and a worm meshed with the worm wheel, and the worm wheel is fixedly connected with the workbench; a drilling disc for placing a differential flange is rotatably connected to the workbench, and a locking member for locking the drilling disc after the drilling disc rotates by an angle is arranged on the workbench; and the drilling disc is provided with a positioning piece for fixing the differential flange on the drilling disc. The utility model discloses have and make the differential mechanism ring flange reduce the operating procedure when boring a plurality of holes in the course of working, conveniently aim at the drilling position, improve work efficiency's effect.

Description

Bench drill for machining flange plate of differential mechanism

Technical Field

The utility model belongs to the technical field of small-size drilling machine's technique and specifically relates to a bench drill for processing differential mechanism ring flange.

Background

At present, a bench drilling machine is called bench drill for short, and refers to a small drilling machine which can be placed on an operation table and is vertically arranged with upright posts; the bench drilling machine is mainly used for drilling, reaming, tapping, scraping planes and the like of small and medium-sized parts and is used in a machining workshop and a die repairing and matching workshop.

The existing Chinese patent with publication number CN207414390U discloses an electric lifting bench drill, which 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 the other end of the bench drill support frame is provided with a motor; the drill bit is provided with a coaxial belt pulley, and the motor is connected with the belt pulley of the drill bit through a belt; a hand swing lifting wheel for controlling the lifting motion of the drill bit 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 belt pulley is arranged at the top of the lead screw and connected with a belt pulley of the motor through a belt; the screw rod and a screw rod transmission guide sleeve on the bench drill support frame are coaxial and penetrate through the screw rod transmission guide sleeve arranged on the bench drill support frame; and a workpiece clamping device is arranged on the base.

The utility model discloses a because of the existence of work piece screens device, and the unable lateral shifting of drill bit, only can longitudinal movement to add man-hour in the second hole to on same differential mechanism ring flange, need rise the electric drill, take out the differential mechanism ring flange from work piece screens device and remove required position, be fixed in station fastener device with the differential mechanism ring flange again on, then drill, and each hole processing later all needs the above-mentioned action of repetition.

The above prior art solutions have the following drawbacks: when each of the second and subsequent holes is machined, as described above, the operation steps are complicated and time-consuming, and the time-consuming operation is required to be performed when the number of holes to be machined is increased, which affects the work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bench drill for processing differential mechanism ring flange makes the differential mechanism ring flange reduce the operating procedure when boring a plurality of holes in the course of working, conveniently aims at the drilling position, improves work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a bench drill for processing a differential flange comprises a drilling part, a base, an upright post arranged on the base and a workbench arranged on the upright post, wherein the workbench is axially and fixedly connected with the upright post; the upright post is provided with a driving device for driving the workbench to rotate, the driving device comprises a worm wheel sleeved on the upright post and a worm meshed with the worm wheel, and the worm wheel is fixedly connected with the workbench; a drilling plate for placing a differential flange plate is rotatably connected to the workbench, and a locking member for locking the drilling plate after the drilling plate rotates by an angle is arranged on the workbench; and the drilling disc is provided with a positioning piece for fixing the differential flange disc on the drilling disc.

By adopting the technical scheme, the differential flange is placed on the drilling disk, the differential flange is fixed through the positioning piece, the worm rotates to drive the worm wheel to rotate, so that the workbench is driven to rotate, the differential flange to be processed on the workbench is driven to rotate by the rotation of the workbench, the position of the drilling part arranged on the upright post is kept unchanged, the relative position between the differential flange to be processed and the drilling part can be adjusted by rotating the workbench, the position of the differential flange to be processed, which needs to be drilled, is aligned with the drilling part, and the self-locking performance of the worm wheel and the worm effectively prevents the angular offset caused by mistakenly touching the workbench; meanwhile, the locking piece can be unlocked, the drilling disk is rotated to a proper angle, and then the locking piece is locked on the drilling disk, so that a plurality of holes on the same circumference can be conveniently and simply drilled; the differential flange plate is convenient and simple to operate, time-saving and labor-saving in the process of drilling a plurality of holes.

The utility model discloses further set up to: the mounting groove has been seted up on the workstation, the retaining member is including being fixed in the fixed block on the mounting groove and can be in the check lock lever of fixed block removal, evenly distributed, and the number is the locking hole of required drilling number multiple are seted up to the drilling dish side, check lock lever one end is worn out the fixed block with the cooperation of locking hole, the other end are worn out the fixed block is connected with operating handle.

By adopting the technical scheme, when the drilling disc is rotated, the operating handle is moved to the direction away from the center of the drilling disc to drive the locking rod to be separated from the locking hole, and then the drilling disc can be rotated; after the rotation is finished, the operating handle is moved to the direction close to the center of the drilling disc until the locking rod is matched with the locking hole, so that the drilling disc is locked again, and the rotation angle of the drilling disc is equal to the angle difference of adjacent holes on the differential flange to be processed; the angle is accurately controlled by rotating the number of the locking holes, so that the error of judging the rotation angle or measuring the rotation angle through manual experience is avoided.

The utility model discloses further set up to: the mounting groove is provided with a resetting device, and the resetting device comprises a first fixing plate fixedly arranged on the locking rod, a second fixing plate fixedly arranged on the mounting groove and a spring connected with the first fixing plate and the second fixing plate.

Through adopting above-mentioned technical scheme, when pulling the check lock lever to keeping away from drilling dish center direction when removing, the spring is elongated or the compression, and the spring is applyed the effort that can reset the check lock lever to the check lock lever, rotates the drilling dish and unclamps the check lock lever behind required angle, utilizes the elastic restoring force of spring to make the check lock lever insert the locking hole in, makes the check lock lever lock the operation process of drilling dish convenient simple again, improves work efficiency.

The utility model discloses further set up to: the locking rods comprise a first locking rod and a second locking rod, the first locking rod and the second locking rod are fixedly connected, the first locking rod can be inserted into the locking hole, one end, far away from the first locking rod, of the second locking rod is connected with the operating handle, and the diameter of the cross section of the first locking rod is larger than that of the cross section of the second locking rod; first through-hole and second through-hole have been seted up on the fixed block, first through-hole with the second through-hole communicates each other, first check lock lever set up in the first through-hole, the second check lock lever set up in the second through-hole, just first through-hole diameter with first check lock lever diameter is the same, the second through-hole with the second check lock lever diameter is the same.

Through adopting above-mentioned technical scheme for form the step face between first through-hole and the second through-hole, and carry on spacingly to the stroke of sliding of first check lock lever through the step face, effectively prevent that the check lock lever from wearing out in the pulling in-process from the fixed block, and the flexible distance of control check lock lever in the fixed block, more make things convenient for check lock lever and check lock hole to cooperate again and lock the drilling dish locking.

The utility model discloses further set up to: one end of the second locking rod, which is far away from the locking hole, is provided with a threaded section, and the operating handle is in threaded connection with the second locking rod.

Through adopting above-mentioned technical scheme, make the check lock lever simple to operate, only need stretch into the fixed block with the second check lock lever from first through-hole department to stretch out from the second through-hole, again the second check lock lever stretch out the one end installation operating handle of fixed block can.

The utility model discloses further set up to: the setting element includes the reference column, a screw hole has been seted up on the drilling dish, reference column threaded connection in on the screw hole, just the transversal trapezoidal setting of personally submitting of reference column.

By adopting the technical scheme, because the processing object is the differential flange, the differential flange can be placed on the drilling disc and then fixed by the positioning column, and when the differential flange is fixed, the positioning column is screwed down to enable the side surface of the positioning column to be abutted against the differential flange, so that the differential flange can rotate together with the drilling disc when the rotation of the rotary drilling disc is adjusted; in addition, different positioning columns can be replaced to perform positioning and locking work when differential flange plates with different inner diameters are machined; convenient fixation and wide application range.

The utility model discloses further set up to: and a rubber layer is arranged on the surface of the positioning column.

By adopting the technical scheme, the positioning column and the differential flange are stably fixed by the arrangement of the rubber layer, so that the differential flange and the drilling disc are prevented from relatively rotating; the surface of the rubber belt body fixing column is tightly abutted to the differential flange, so that the differential flange is prevented from being damaged, and a protection effect is achieved.

The utility model discloses further set up to: a horizontally arranged support frame is connected to the upright column in a sliding manner, the support frame is arranged above the drilling disc, the drilling part comprises a drill bit and a first motor, the drill bit is arranged on the support frame, the drill bit penetrates out of the support frame and is aligned with the drilling disc, the first motor is arranged on the support frame, a coaxial first belt pulley is arranged on the drill bit, a second belt pulley coaxial with a rotating shaft is arranged on the first motor, and a belt is connected between the first belt pulley and the second belt pulley; a horizontally arranged supporting plate is fixed at the top of the upright post, a lead screw is rotatably connected to the supporting plate, the lead screw is axially fixed to the supporting plate, a connecting block is fixedly arranged on the supporting frame, the lead screw downwards penetrates through the supporting plate and the connecting block and is in threaded connection with the connecting block, and a second motor for driving the lead screw to rotate is fixedly connected to the supporting plate; the upper end of the lead screw is fixedly connected with a first gear, and a rotating shaft of the second motor is fixedly connected with a second gear meshed with the first gear.

Through adopting above-mentioned technical scheme, second motor axis of rotation rotates and drives second gear revolve to drive and the first gear rotation with second gear engagement, thereby drive the lead screw and rotate, the lead screw rotates and drives the lift of second connecting block, the lift of second connecting block drives first connecting block and the bracing piece fixed with the second connecting block and goes up and down, thereby the change is fixed in drill bit on the bracing piece and the distance of first motor to drilling disc, thereby can realize bigger depth of working.

To sum up, the utility model discloses a beneficial technological effect does:

1. the workbench and the drilling disc can rotate, so that a plurality of holes can be conveniently drilled on the differential flange, and time and labor are saved;

2. the locking piece controls the rotation and locking of the drilling plate, so that the drilling plate is effectively prevented from rotating in the drilling process, and the deviation of the drilling position is avoided;

3. the positioning column positions the differential flange on the drilling disc, and prevents the differential flange from displacing in the drilling process, so that the drilling position is prevented from deviating.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the connection structure between the column and the working table of the present invention;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 4 is a schematic view of the structure of the drilling plate of the present invention;

FIG. 5 is a schematic view of the locking member of the present invention;

fig. 6 is a schematic structural view of the locking lever of the present invention;

fig. 7 is a schematic structural view of the drilling member of the present invention.

In the figure, 1, a base; 2. a column; 21. a work table; 22. a drive device; 221. a worm gear; 222. a worm; 2221. a handle; 23. a locking member; 231. a fixed block; 2311. a first through hole; 2312. a second through hole; 232. a locking lever; 2321. a first locking lever; 2322. a second locking lever; 233. an operating handle; 234. a threaded segment; 24. installing a groove; 3. drilling a hole plate; 31. a positioning member; 311. a positioning column; 3111. a rubber layer; 32. a locking hole; 33. a threaded hole; 4. a resetting device; 41. a first fixing plate; 42. a second fixing plate; 43. a spring; 5. a support frame; 51. connecting blocks; 6. a drilling component; 61. a drill bit; 611. a first pulley; 62. a first motor; 621. a second pulley; 7. a belt; 8. a support plate; 81. a lead screw; 811. a first gear; 82. a second motor; 821. 91, a fixture block; 92. a clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a bench drill for processing differential mechanism ring flange, including the base 1 of level setting, weld stand 2 on base 1, install workstation 21 on stand 2 and set up drilling part 6 on stand 2.

Referring to fig. 1 and 2, the worktable 21 is horizontally disposed, and the worktable 21 is axially fixed to the column 2. Wherein, the accessible is seted up the perforation on workstation 21, and the perforation diameter is the same with stand 2 diameter size, and is provided with fixture block 91 on the perforation, is provided with on the stand 2 with fixture block 91 complex draw-in groove 92 to make workstation 21 pass through draw-in groove 92 and fixture block 91 axial fixation on stand 2.

Referring to fig. 3, a driving device 22 is disposed on the column 2, the driving device 22 includes a worm wheel 221 and a worm 222 engaged with the worm wheel 221, wherein the worm 222 can be manually driven to rotate by a handle, and the worm wheel 221 is sleeved on the column 2 through a bearing (not shown) and is fixedly connected to the table 21.

Referring to fig. 4 and 5, a drilling disc 3 for placing a differential flange is rotatably connected to the workbench 21 through a rotating shaft, the drilling disc 3 is cylindrical, a threaded hole 33 which is coaxial and vertical to the drilling disc 3 is formed in the drilling disc 3, a positioning piece 31 is in threaded connection with the threaded hole 33, the positioning piece 31 comprises a positioning column 311 and a threaded column, the cross section of the positioning column 311 is in an inverted trapezoid shape, a rubber layer 3111 is arranged on the side surface of the positioning column 311, and the rubber layer 3111 is fixed on the side surface of the positioning column 311 through glue.

A plurality of locking holes 32 which can be matched with the first locking rods 2321 are uniformly distributed on the side surface of the drilling disc 3, the number of the locking holes 32 is multiple of the required number of the drilling holes, and one end of each first locking rod 2321, which extends out of the fixing block 231, is matched with the corresponding locking hole 32; one end of the second locking rod 2322, which extends out of the fixing block 231, is provided with a threaded section 234, and an operating handle 233 is threadedly connected to the threaded section 234.

The workbench 21 is provided with a mounting groove 24, the mounting groove 24 is in a cuboid shape, and the mounting groove 24 is provided with a locking piece 23.

The locking member 23 includes a fixing block 231 and a locking bar 232, and the fixing block 231 is fixed to the mounting groove 24. Wherein, the fixing block 231 is welded to the mounting groove 24.

Referring to fig. 5, the locking rod 232 is horizontally disposed, the locking rod 232 includes a first locking bar 2321 and a second locking bar 2322, the first locking bar 2321 is fixedly connected to the second locking bar 2322 (wherein, the first locking bar 2321 is welded to the second locking bar 2322), the diameter of the cross section of the first locking rod 2321 is greater than the diameter of the cross section of the second locking rod 2322, a first through hole 2311 is formed in the surface of the fixing block 231 facing the drilling disc 3, a second through hole 2312 is formed in the surface of the fixing block 231 facing away from the drilling disc 3, the first through hole 2311 is communicated with the second through hole 2312, the diameter of the first through hole 2311 is the same as that of the first locking rod 2321, the diameter of the second through hole 2312 is the same as that of the second locking rod 2322, the connection between the second locking rod 2322 and the first locking rod 2321 is located in the first through hole 2311, one end of the second locking rod 2322 penetrates out of the second through hole 2312, a threaded section 234 is arranged, and an operating handle 233 is connected to the threaded section 234 in a threaded manner; an end of the first locking bar 2321 remote from the 2322 protrudes through the first through hole 2311 and is inserted into the locking hole 32.

Referring to fig. 6, the mounting groove 24 is further provided with a reset device 4, the reset device 4 includes a first fixing plate 41, a second fixing plate 42 and a spring 43, the first fixing plate 41 is welded to the first locking bar 2321 and is located between the drilling plate 3 and the fixing block 231, the second fixing plate 42 is welded to the mounting groove 24 and is located between the first fixing plate 41 and the fixing block 231, and two ends of the spring 43 are respectively welded to the first fixing plate 41 and the second fixing plate 42.

Referring to fig. 7, a horizontally disposed support frame 5 is slidably connected to the upright column 2, the support frame 5 is disposed above the drilling disc 3, the drilling component 6 includes a drill bit 61 and a first motor 62, the drill bit 61 is disposed on the support frame 5, and the drill bit 61 penetrates through the support frame 5 and aligns with the drilling disc 3, the first motor 62 is disposed on the support frame 5, a first coaxial belt pulley 611 is disposed on the drill bit 61, a second coaxial belt pulley 621 is coaxially fixed on an output shaft of the first motor 62, and a belt 7 is connected between the first belt pulley 611 and the second belt pulley 621.

A horizontally arranged support plate 8 is fixed at the top of the upright column 2, a screw 81 is rotatably connected to the support plate 8, the screw 81 is axially fixed on the support plate 8, a connecting block 51 is fixedly arranged on the support frame 5, the screw 81 downwards penetrates through the support plate 8 and the connecting block 51 and is in threaded connection with the connecting block 51, and a second motor 82 for driving the screw 81 to rotate is fixedly connected to the support plate 8; a first gear 811 is fixedly connected to an upper end of the screw 81, and a second gear 821 engaged with the first gear 811 is fixedly connected to a rotation shaft of the second motor 82.

The implementation principle of the embodiment is as follows: when the differential flange is drilled, the worm 222 is rotated to drive the worm wheel 221 matched with the worm wheel to rotate, the worm wheel 221 rotates to drive the workbench 21 to rotate, so that the relative position of the drill bit 61 to the center of the differential flange is changed, after the relative position of the drill bit 61 to the center of the differential flange is determined, the operating handle 233 is pulled, the locking rod 232 moves towards the direction far away from the locking hole 32, the drilling disc 3 is rotated, after the drilling position is determined, the locking rod 232 is loosened, the locking rod 232 is matched with the locking hole 32 again, the drilling disc 3 is locked, and drilling can be performed.

When the first hole is drilled, the operation handle 233 is pulled only, the locking rod 232 is moved in the direction away from the locking hole 32, the operation handle 233 is loosened after the drilling disk 3 is rotated to a desired position, the locking rod 232 is matched with the locking hole 32 again, the drilling disk 3 is locked again, and then a subsequent hole can be drilled.

When the adjustment drilling depth, second motor 82 axis of rotation rotates, drives second gear 821 and rotates to drive and rotate with first gear 811 of second gear 821 meshing, thereby drive lead screw 81 and rotate, lead screw 81 rotates and drives connecting block 51 and goes up and down, and connecting block 51 goes up and down to drive and goes up and down with the fixed support frame 5 of connecting block 51, thereby changes drill bit 61 and the distance of first motor 62 to drilling disc 3 that are fixed in on support frame 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bench drill for processing differential mechanism ring flange, includes drilling part (6), base (1), sets up stand (2) on base (1) and installs workstation (21) on stand (2), its characterized in that: the workbench (21) is axially and fixedly connected with the upright post (2); the upright post (2) is provided with a driving device (22) for driving the workbench (21) to rotate, the driving device (22) comprises a worm wheel (221) sleeved on the upright post (2) and a worm (222) meshed with the worm wheel (221), and the worm wheel (221) is fixedly connected with the workbench (21); the workbench (21) is rotatably connected with a drilling disc (3) for placing a differential flange, and a locking piece (23) for locking the drilling disc (3) after the drilling disc (3) rotates by an angle is arranged on the workbench (21); and a positioning piece (31) for fixing the differential flange plate on the drilling disc (3) is arranged on the drilling disc (3).

2. The bench drill for machining a differential flange as defined in claim 1, wherein: mounting groove (24) have been seted up on workstation (21), retaining member (23) are including being fixed in fixed block (231) on mounting groove (24) and can be in locking lever (232) of removal in fixed block (231), evenly distributed, and locking hole (32) that the number is required drilling number multiple are seted up to drilling dish (3) side, wear out locking lever (232) one end fixed block (231) with locking hole (32) cooperation, the other end are worn out fixed block (231) and be connected with operating handle (233).

3. The bench drill for machining a differential flange as defined in claim 2, wherein: the mounting groove (24) is provided with a resetting device (4), and the resetting device (4) comprises a first fixing plate (41) fixedly arranged on the locking rod (232), a second fixing plate (42) fixedly arranged on the mounting groove (24) and a spring (43) connected with the first fixing plate (41) and the second fixing plate (42).

4. The bench drill for machining a differential flange as defined in claim 2, wherein: the locking rod (232) comprises a first locking rod (2321) and a second locking rod (2322), the first locking rod (2321) is fixedly connected with the second locking rod (2322), the first locking rod (2321) can be inserted into the locking hole (32), one end, far away from the first locking rod (2321), of the second locking rod (2322) is connected with the operating handle (233), and the diameter of the cross section of the first locking rod (2321) is larger than that of the cross section of the second locking rod (2322); the fixing block (231) is provided with a first through hole (2311) and a second through hole (2312), the first through hole (2311) and the second through hole (2312) are communicated with each other, the first locking rod (2321) is arranged in the first through hole (2311), the second locking rod (2322) is arranged in the second through hole (2312), the diameter of the first through hole (2311) is the same as that of the first locking rod (2321), and the diameter of the second through hole (2312) is the same as that of the second locking rod (2322).

5. The bench drill for machining a differential flange as defined in claim 4, wherein: one end, far away from the locking hole (32), of the second locking rod (2322) is provided with a threaded section (234), and the operating handle (233) is in threaded connection with the second locking rod (2322).

6. The bench drill for machining a differential flange as defined in claim 1, wherein: the positioning piece (31) comprises a positioning column (311), a threaded hole (33) is formed in the drilling disc (3), the positioning column (311) is in threaded connection with the threaded hole (33), and the cross section of the positioning column (311) is in an inverted trapezoid shape.

7. The bench drill for machining a differential flange as defined in claim 6, wherein: and a rubber layer (3111) is arranged on the surface of the positioning column (311).

8. The bench drill for machining a differential flange as defined in claim 1, wherein: the vertical column (2) is connected with a horizontally arranged support frame (5) in a sliding manner, the support frame (5) is arranged above the drilling disc (3), the drilling component (6) comprises a drill bit (61) and a first motor (62), the drill bit (61) is arranged on the support frame (5), the drill bit (61) penetrates through the support frame (5) and is aligned to a drilling position on a differential flange, the first motor (62) is arranged on the support frame (5), a coaxial first belt pulley (611) is arranged on the drill bit (61), a second belt pulley (621) coaxial with a rotating shaft is arranged on the first motor (62), and a belt (7) is connected between the first belt pulley (611) and the second belt pulley (621); a horizontally arranged supporting plate (8) is fixed to the top of the upright post (2), a lead screw (81) is rotatably connected to the supporting plate (8), the lead screw (81) is axially fixed to the supporting plate (8), a connecting block (51) is fixedly arranged on the supporting frame (5), the lead screw (81) downwards penetrates through the supporting plate (8) and the connecting block (51) and is in threaded connection with the connecting block (51), and a second motor (82) for driving the lead screw (81) to rotate is fixedly connected to the supporting plate (8); the upper end of the lead screw (81) is fixedly connected with a first gear (811), and a rotating shaft of the second motor (82) is fixedly connected with a second gear (821) meshed with the first gear (811).