CN210548615U

CN210548615U - Quick tapping equipment based on uniformly distributed mounting holes in outer end face of automobile rear axle differential shell

Info

Publication number: CN210548615U
Application number: CN201921190678.5U
Authority: CN
Inventors: 李业文
Original assignee: Shandong Gengchen Machinery Technology Co Ltd
Current assignee: Shandong Gengchen Machinery Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-19
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a quick tapping device based on mounting holes evenly distributed on the outer end face of an automobile rear axle differential shell, which comprises a planetary female gear, a bearing seat, a planetary pinion gear, a drill chuck, a guide rod and a dispersion cover; the bench drill main body is an existing vertical small bench drill, a welding plate is welded in the original workbench area of an upright post of the bench drill main body, and a row constellation is welded on the top surface of the welding plate; the drill chuck arranged at the bottom side of the rotating shaft of the bench drill main body extends into an extension hole formed in the top surface of the planet seat, the gears are arranged on a welding plate welded on a drilling machine upright post through a circular cavity seat, and a clamping plate for jacking of the air cylinder is arranged at the bottom side of the welding plate and used for clamping and placing the differential case, so that after the differential case is clamped tightly, 8 screw taps synchronously rotating at the top can quickly tap out internal threads from 8 through holes of the differential case, and therefore the problem provided by the background technology is solved, and the working efficiency is improved.

Description

Quick tapping equipment based on uniformly distributed mounting holes in outer end face of automobile rear axle differential shell

Technical Field

The utility model belongs to the technical field of automobile rear axle accessory processing, more specifically say, in particular to quick tapping equipment based on outer terminal surface equipartition mounting hole of automobile rear axle differential casing.

Background

The differential mechanism shell is an external shell part of the automobile differential mechanism, sand mold manufacturing is carried out before machining of the shell, the shell is formed by casting, a circle of 8 mounting holes used for enabling two split shells to be in butt joint are uniformly distributed in the shell of the differential mechanism, internal threads are arranged on the mounting holes, the two differential mechanism shells are used for penetrating and connecting bolts when being in butt joint, and the design is explained for tapping machining of the 8 threaded holes of the differential mechanism shells.

Based on the above-mentioned description, this 8 department screw hole tapping processing's of differential casing traditional mode utilizes the frock to clamp the differential casing on bench drill, the drill chuck that utilizes the drilling machine roating seat bottom will the tap clamping, and with these 8 holes tapping internal thread one by one, obviously this kind is to the mode work efficiency of hole tapping very low one by one, the rotation that still need not be stopped is by the differential casing of clamping, in order to change by the through-hole of tapping, work efficiency can be influenced to this kind of mode, increase the cost of labor, thereby make finished product differential casing market value higher, do not easily occupy market.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a device for quickly tapping mounting holes uniformly distributed on the outer end surface of the differential shell of the rear axle of the automobile is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a quick tapping equipment based on outer terminal surface equipartition mounting hole of car rear axle differential casing, the traditional mode of 8 department screw holes tapping processing of differential casing for solving current car utilizes the frock to clamp differential casing on bench drill, the drill chuck that utilizes the drilling machine roating seat bottom is with the screw tap clamping, and attack this 8 hole one by one out the internal thread, obviously this kind is to the mode work efficiency of hole tapping very low, and the rotation that still will not stop when in proper order to these hole taps is by the differential casing of clamping, influence work efficiency's problem.

The utility model discloses based on purpose and the efficiency of the quick tapping equipment of outer terminal surface equipartition mounting hole of car rear axle differential casing, by following concrete technological means reach:

the quick tapping equipment comprises a bench drill main body, a welding plate, a rotary hole, a clamping plate, a clamping groove, a discharge hole, a lock plunger, a cylinder, a planet carrier, an extending hole, a rotary rod, a screw tap, a planet female gear, a bearing seat, a planet sub-gear, a drill chuck, a guide rod and a dispersing cover; the bench drill main body is an existing vertical small bench drill, a welding plate is welded in the original workbench area of an upright post of the bench drill main body, and a row constellation is welded on the top surface of the welding plate; a drill chuck arranged at the bottom side of the rotating shaft of the bench drill main body extends into an extension hole formed in the top surface of the planet seat and continues to extend inwards; the clamping plate is also guided on the upright post of the bench drill main body, is just positioned at the bottom side of the welding plate and is parallel to the welding plate; a dispersion cover is welded in the middle of the bottom surface of the clamping piece plate; the cylinder is connected with an external existing air pressure machine through a pipeline, the cylinder is vertically mounted on a base of the bench drill main body, and an action extending rod of the cylinder is jacked on the bottom surface of the clamping piece plate.

Further: the guide rod is arranged at the left part and the right part, the guide rod and the guide rod are welded on the base surface of the bench drill main body, and the clamping piece plate is in sliding fit with the guide rod.

Further: the middle position of the clamping piece plate is provided with a clamping groove of a U-shaped groove structure, two sides of the clamping groove are respectively penetrated with a threaded sleeve, and a lock bolt is matched in the two threaded sleeves in a penetrating way.

Further: the planet carrier is of a circular seat cavity structure, a circle of bearing seats are mounted on the top surface of an inner cavity of the planet carrier, rotating rods are matched in the bearing seats, screw taps are welded on the bottom sides of the rotating rods, and the rotating rods penetrate through large-gap rotating holes formed in the welding plates and then penetrate out downwards.

Further: the drill chuck is provided with a planet female gear after extending into the planet carrier, the planet female gear is matched and connected with an external circle of planet sub-gears, and the circle of planet sub-gears are respectively arranged on a rotating rod at the outer side of the female gear through key slots.

Further: and a circle of discharge holes are also formed in the clamping groove, the discharge holes are positioned at the bottom side of the screw tap one by one, and the size of the discharge holes is slightly larger than the diameter of the screw tap.

Further: the dispersion cover arranged on the bottom surface of the clamping piece plate is of a conical cavity structure, and the cylinder is positioned on the inner side of the dispersion cover.

Compared with the prior art, the utility model discloses following beneficial effect has:

the purchased bench drilling machine is functionally added aiming at the tapping treatment of 8 threaded holes of a differential shell, a planet female gear is arranged on a drill clamp which synchronously rotates at the bottom side of a rotary base of the drilling machine, so when the drilling machine rotates, the planet female gear synchronously moves, 8 sub gears are arranged at the outer side of the female gear, the sub gears are respectively provided with a downward vertical rotary rod piece, and the bottoms of the rotary rod pieces are respectively welded with a screw tap, therefore, when the female gear rotates, the sub gears synchronously rotate, so that the 8 screw taps can be simultaneously driven to synchronously rotate, the gears are arranged on a welding plate which is welded on an upright post of the drilling machine through a circular cavity base, a clamping plate which performs the jacking action of an air cylinder is arranged at the bottom side of the welding plate and is used for clamping the differential shell, so that the differential shell is clamped, the 8 screw taps with the top synchronously rotating action can quickly tap the internal thread on the 8 through holes of the differential shell, thereby solving the problems in the prior art and improving the working efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a rear view angle of the present invention drawn from fig. 1.

Fig. 3 is a schematic structural diagram of the bottom view of the present invention.

Fig. 4, fig. 5 and fig. 6 are schematic diagrams of the inner structure of the row constellation of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bench drill body; 2. welding the plate; 201. hole turning; 3. a clamping plate; 4. a clamping groove; 401. a discharge hole; 5. a lock bolt; 6. a cylinder; 7. a row constellation; 701. an access hole; 702. a rotating rod; 703. tapping; 704. a planetary female gear; 705. a bearing seat; 706. a planet pinion gear; 8. drilling; 9. a guide bar; 10. a dispersion cover.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a quick tapping equipment based on outer terminal surface equipartition mounting hole of automobile rear axle differential casing, including bench drill main part 1, welded plate 2, commentaries on classics hole 201, folder board 3, clamping groove 4, relief hole 401, set bar 5, cylinder 6, planet seat 7, stretch into hole 701, bull stick 702, screw 703, planet female gear 704, bearing frame 705, planet pinion 706, drill chuck 8, guide bar 9 and dispersion cover 10; the bench drill main body 1 is an existing vertical small bench drill, a welding plate 2 is welded in the original workbench area of an upright post, and a row constellation 7 is welded on the top surface of the welding plate 2; a drill chuck 8 arranged at the bottom side of the rotating shaft of the bench drill main body 1 extends into an extending hole 701 formed in the top surface of the planet seat 7 and continues to extend inwards; the clamping plate 3 is also guided on the upright post of the bench drill main body 1, the clamping plate 3 is just positioned at the bottom side position of the welding plate 2, and the clamping plate 3 is parallel to the welding plate 2; a dispersion cover 10 is welded at the middle position of the bottom surface of the clamping piece plate 3; the cylinder 6 is connected with an external existing air pressure machine pipeline, the cylinder 6 is installed on the base of the bench drill main body 1 in a vertical mode, and an action extending rod of the cylinder 6 is jacked on the bottom surface of the clamping piece plate 3.

Wherein: the guide rods 9 are welded on the left and right of the base surface of the bench drill body 1, and the clamping plate 3 is in sliding fit with the guide rods 9, so that the clamping plate 3 which is in guiding fit can slide up and down, and the power of the upward jacking sliding motion of the clamping plate is from the cylinder 6 at the bottom.

Wherein: the middle position of the clamping piece plate 3 is provided with a clamping groove 4 with a U-shaped groove structure, the clamping groove 4 is used for placing a differential case blank processed by tapping, two sides of the clamping groove 4 are both provided with a threaded sleeve in a penetrating manner, and a lock bolt 5 used for clamping two sides of the differential case placed in the groove cavity is also matched in the two threaded sleeves in a penetrating manner.

Wherein: as shown in fig. 4, 5, and 6, the row constellation 7 is a circular seat cavity structure, a circle of bearing seats 705 is installed on the top surface of the inner cavity of the row constellation, a rotating rod 702 is further fitted in each of the bearing seats 705, a tap 703 is welded on the bottom side of each of the rotating rods 702, the rotating rod 702 penetrates through a large-gap rotating hole 201 formed in the welding plate 2 and then penetrates out downwards, and an eight-station drilling mode can be performed during the rotation of the eight-station tap 703, so that the working efficiency is improved.

Wherein: the cooperation principle of the eight-station drilling structure is as follows: the drill chuck 8 is provided with a planetary female gear 704 after extending into the row 7, the planetary female gear 704 is connected with an outer circle of planetary sub-gears 706 in a matching manner, and the circle of planetary sub-gears 706 are respectively arranged on the rotating rods 702 on the outer side of the female gear 704 through key slots, so that the rotating action of the eight-station tap 703 is realized by the rotating action of the planetary female gear 704 in the middle rotating action, and the planetary female gear 704 synchronously rotates.

Wherein: a circle of discharge holes 401 are further formed in the clamping groove 4, the discharge holes 401 are located on the bottom side of the screw tap 703 one by one, the size of each discharge hole 401 is slightly larger than the diameter of the screw tap 703, the discharge holes 401 are used for discharging waste materials downwards, and the discharge holes are used for enabling the eight-station screw tap 703 drilled downwards to extend downwards, so that structural rationality is improved.

Wherein: the dispersion cover 10 that the 3 bottom surfaces of folder board were installed is the toper cavity structure, and above-mentioned cylinder 6 is located the inboard that disperses cover 10, and the dispersion cover 10 of toper cavity structure is used for preventing that the waste material from directly pounding on falling cylinder 6 to the downward exhaust tapping waste material of relief hole 401, having improved the rationality of structure simultaneously.

The specific use mode and function of the embodiment are as follows:

the differential case of the automobile rear axle with eight drilled holes is clamped in a clamping groove 4 and is pressed inwards through lock bolts 5 at two sides, so that the case is fixed, eight mounting holes drilled in the case member are upward, after the equipment is electrified, a rotating base in the prior art rotates and simultaneously drives a drill chuck 8 to rotate, in the rotating process of the drill chuck 8, a planetary mother gear 704 installed at the bottom of the planetary mother gear 704 in a refitting mode rotates synchronously, eight planetary son gears 706 meshed with the planetary mother gear 704 rotate synchronously when the planetary mother gear 704 rotates synchronously, so that a rotating rod 702 installed on the planetary son gears 706 rotates synchronously, an eight-station tapping screw tap rotates, at the moment, an air cylinder 6 at the bottom pushes up a clamping piece 3 due to air pressure introduction of air machine equipment connected with an external pipeline, the extending rod lifts the clamping piece upwards to push the clamping piece 3, the case member clamped in the clamping groove 4 of the differential board 3 moves upwards, eight mounting holes on it slowly contact with eight station taps 703 of rotatory action, carry out the synchronous tapping of eight quick holes and handle, improved work efficiency, the waste material is discharged downwards. Therefore, when the female gear rotates, the sub-gears can rotate synchronously, so that 8 screw taps can be driven to rotate synchronously, the gears are installed on a welding plate welded on a drilling machine upright post through a circular cavity seat, and a clamping plate for jacking the air cylinder is installed at the bottom side of the welding plate and used for clamping the differential case, so that after the differential case is clamped tightly, 8 screw taps with synchronously rotating top can quickly tap internal threads from 8 through holes of the differential case, thereby solving the problems in the background art and improving the working efficiency.

The design is a targeted design aiming at tapping processing of eight mounting holes of a differential shell of a machine company, a bench drill is the prior art, and the structural technology of a rotary drill for clamping a drill bit is not disclosed in the design and is explained here.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Based on quick tapping equipment in outer terminal surface equipartition mounting hole of car rear axle differential casing, its characterized in that: the quick tapping equipment based on the uniformly distributed mounting holes on the outer end face of the automobile rear axle differential shell comprises a bench drill main body (1), a welding plate (2), a rotary hole (201), a clamping plate (3), a clamping groove (4), a discharge hole (401), a lock bolt (5), an air cylinder (6), a row star (7), an extending hole (701), a rotary rod (702), a tap (703), a planet female gear (704), a bearing seat (705), a planet sub-gear (706), a drill chuck (8), a guide rod (9) and a dispersing cover (10); the bench drill main body (1) is an existing vertical small bench drill, a welding plate (2) is welded in an original working table area of an upright column, and a constellation (7) is welded on the top surface of the welding plate (2); a drill chuck (8) arranged at the bottom side of the rotating shaft of the bench drill main body (1) extends into an extension hole (701) formed in the top surface of the row constellation (7) and continues to extend inwards; the clamping plate (3) is also guided on the upright post of the bench drill main body (1), the clamping plate (3) is just positioned at the bottom side position of the welding plate (2), and the clamping plate (3) is parallel to the welding plate (2); a dispersion cover (10) is welded at the middle position of the bottom surface of the clamping piece plate (3); the cylinder (6) is connected with an external existing air pressure machine through a pipeline, the cylinder (6) is vertically mounted on a base of the bench drill main body (1), and an action extending rod of the cylinder (6) is jacked on the bottom surface of the clamping piece plate (3).

2. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: the guide rod (9) is arranged at the left part and the right part, the guide rod and the guide rod are welded on the base surface of the bench drill main body (1), and the clamping piece plate (3) is in sliding fit on the guide rod (9).

3. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: the middle position of the clamping piece plate (3) is provided with a clamping groove (4) with a U-shaped groove structure, two sides of the clamping groove (4) are respectively penetrated with a thread sleeve, and the two thread sleeves are respectively penetrated with a lock bolt (5).

4. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: the row constellation (7) is of a circular seat cavity structure, a circle of bearing seats (705) are mounted on the top surface of an inner cavity of the row constellation, rotating rods (702) are matched in the bearing seats (705), a screw tap (703) is welded on the bottom sides of the rotating rods (702), and the rotating rods (702) penetrate out downwards after penetrating through large-gap rotating holes (201) formed in the welding plate (2).

5. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: the drill chuck (8) is provided with a planet female gear (704) after extending into the row constellation (7), the planet female gear (704) is matched and connected with an outer circle of planet sub-gears (706), and the circle of planet sub-gears (706) are respectively arranged on rotary rods (702) on the outer side of the female gear (704) through key slots.

6. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: a circle of discharge holes (401) are further formed in the clamping groove (4), the discharge holes (401) are located on the bottom side of the screw tap (703) in a one-to-one mode, and the size of the discharge holes (401) is slightly larger than the diameter of the screw tap (703).

7. The quick tapping device based on the uniformly distributed mounting holes on the outer end surface of the differential shell of the rear axle of the automobile as claimed in claim 1, wherein: the dispersing cover (10) arranged on the bottom surface of the clamping piece plate (3) is of a conical cavity structure, and the cylinder (6) is located on the inner side of the dispersing cover (10).