CN210147539U

CN210147539U - Box milling fixing device applied to worm gear reducer

Info

Publication number: CN210147539U
Application number: CN201921003966.5U
Authority: CN
Inventors: 管水康; 斯朕
Original assignee: HANGZHOU JIAHUANG TRANSMISSION TECHNOLOGY Co Ltd
Current assignee: HANGZHOU JIAHUANG TRANSMISSION TECHNOLOGY Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-03-17
Anticipated expiration: 2029-06-29

Abstract

The milling and fixing device for the box body of the worm gear reducer comprises a fixed bottom plate which is horizontally arranged, two vertically arranged end positioning plates and a vertical positioning column positioned at the front side of each end positioning plate are arranged on the upper surface of the fixed bottom plate, the vertical positioning columns are inserted into corresponding positioning holes on the box body, a clamping space is formed between the two end positioning plates, a transverse plate is connected between the middle parts of the rear sides of the two end positioning plates, a locking screw rod is arranged in the middle part of the transverse plate in a penetrating way, one end of the locking screw rod is sleeved with a tool matching part positioned on the rear surface of the transverse plate, the other end of the locking screw rod extends into the clamping space, one end of the locking screw rod extending into the clamping space is connected with two arc plates which are symmetrical by the axis of the locking screw rod, and a transmission structure which can drive the arc-shaped plate to expand outwards and is supported on the inner wall of the box hole when the locking screw rod rotates and moves towards the rear side of the transverse plate is arranged between the locking screw rod and the arc-shaped plate.

Description

Box milling fixing device applied to worm gear reducer

Technical Field

The utility model belongs to the technical field of the reduction gear, especially, relate to a be applied to box of worm gear reduction gear and mill processing fixing device.

Background

The structure of the worm gear speed reducer comprises a box body, an output shaft, a worm wheel connected to the output shaft and a worm meshed with the worm wheel are arranged in the box body, one end of the output shaft is fixed in the box body through a bearing, and the other end of the output shaft penetrates through a worm wheel end cover.

One side of box has a plurality of stabilizer blades, needs to mill the plane processing.

The tradition adopts to lie flat to the fixed mode of box, namely, with the stabilizer blade of box up, the milling cutter is located the stabilizer blade top, then mills the plane processing.

The above-mentioned fixed another blank face that adopts relative with the stabilizer blade to the box is the benchmark, then the vice compresses tightly, and it has great error owing to its existence of blank face, leads to the straightness precision of hanging down of box main shaft hole and stabilizer blade to be difficult to reach the settlement requirement, and simultaneously, the disability rate is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a box that is applied to worm gear reduction gear mills processing fixing device who designs more rationally and can reduce the disability rate is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the milling and fixing device for the box body of the worm gear reducer comprises a fixed bottom plate which is horizontally arranged, two vertically arranged end positioning plates and a vertical positioning column positioned at the front side of each end positioning plate are arranged on the upper surface of the fixed bottom plate, the vertical positioning columns are inserted into corresponding positioning holes on the box body, a clamping space is formed between the two end positioning plates, a transverse plate is connected between the middle parts of the rear sides of the two end positioning plates, a locking screw rod is arranged in the middle part of the transverse plate in a penetrating way, one end of the locking screw rod is sleeved with a tool matching part positioned on the rear surface of the transverse plate, the other end of the locking screw rod extends into the clamping space, one end of the locking screw rod extending into the clamping space is connected with two arc plates which are symmetrical by the axis of the locking screw rod, and a transmission structure which can drive the arc-shaped plate to expand outwards and is supported on the inner wall of the box hole when the locking screw rod rotates and moves towards the rear side of the transverse plate is arranged between the locking screw rod and the arc-shaped plate.

In the milling and fixing device applied to the box body of the worm gear speed reducer, the transmission structure comprises transmission supports, the transmission supports are outwards inclined from one end, extending into the clamping space, of the locking screw rod to the other end of the locking screw rod, the two transmission supports are distributed in a splayed shape, one ends of the transmission supports are hinged to the middle of the inner arc concave surface of the arc plate, the other ends of the transmission supports are hinged to the side part of the locking screw rod, and a first pressure spring is connected between one end, extending into the clamping space, of the locking screw rod and the transmission supports;

the clamping mechanism is characterized in that a fixing sleeve connected with the locking screw in a circumferential rotating mode is sleeved at one end, extending into the clamping space, of the locking screw, two hinged seats are arranged on the fixing sleeve, the transmission supports are hinged with the hinged seats one by one, and a first pressure spring is connected between the fixing sleeve and the transmission supports.

In foretell box that is applied to worm gear reduction gear mills processing fixing device, diaphragm one end articulate on the trailing flank of one of them tip locating plate through the hinge, be equipped with spacing adjusting rod on the trailing flank of another tip locating plate or PMKD, the relative tip locating plate of diaphragm rotates and forces the other end of diaphragm to place at spacing adjusting rod top, is equipped with vertical grafting connection structure between the other end of diaphragm and spacing adjusting rod top.

In the milling and fixing device applied to the box body of the worm gear reducer, the vertical inserting and connecting structure comprises a bolt arranged on the lower surface of the other end of the transverse plate, and a bolt hole for inserting the bolt is formed in the upper end of the limiting adjusting rod.

In the milling and fixing device applied to the box body of the worm gear reducer, the upper side of the middle part of the transverse plate is provided with the positioning notch and the insertion block detachably connected with the positioning notch, and the locking screw penetrates through the insertion block and is in threaded connection with the insertion block.

In the milling and fixing device applied to the box body of the worm gear reducer, the inner wall of the positioning notch is provided with the U-shaped slot, and the circumferential direction of the insertion block is provided with the U-shaped protrusion inserted into the U-shaped slot.

In the milling and fixing device applied to the box body of the worm gear speed reducer, the upper side edge of the transverse plate is connected with the rotating locking block through the connecting shaft, and the rotating locking block is transversely arranged on the upper surface of the insertion block after the insertion block is inserted into the positioning notch.

Compared with the prior art, the turbine end cover applied to the worm gear reducer has the advantages that:

the locking screw rod relatively moves towards the rear side of the end positioning plate and then drives the transmission structure to drive the arc-shaped plate to move radially outwards to be tightly attached to the inner wall of the box hole, namely, three-point fixation is formed between the locking screw rod and the vertical positioning column, the fixing is stable and firm, the precision of a milling plane and the verticality of the milling plane and the box hole can be ensured, and the design is more reasonable.

The rejection rate is greatly reduced, and the production requirements of current enterprises are met.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a schematic sectional structural view provided by the present invention.

Fig. 3 is a schematic diagram of a state of the internal close contact in the implementation of the present invention.

Fig. 4 is a schematic view of a vertical plug connection structure provided by the present invention.

Fig. 5 is a schematic diagram of a partially simplified structure provided by the present invention.

Fig. 6 is a schematic structural diagram after the milling machine is mounted on the utility model.

Fig. 7 is a schematic structural view after the support is added.

Fig. 8 is a schematic view of the supporting structure provided by the present invention.

In the figure, a fixed bottom plate 1, an end positioning plate 2, a vertical positioning column 3, a transverse plate 4, a hinge shaft 41, a limit adjusting rod 42, a bolt 43, a bolt hole 44, a positioning notch 45, a U-shaped slot 451, an inserting block 46, a U-shaped bulge 461, a rotating locking block 47, a locking screw rod 5, a fixed sleeve 51, a hinge seat 52, a tool matching part 6, an arc-shaped plate 7, a transmission bracket 71, a first pressure spring 72 and a second pressure spring 73.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, this box that should be applied to worm gear reduction gear mills processing fixing device is including being PMKD 1 that the level set up, and PMKD 1 is rectangular form, is equipped with the extension piece at PMKD 1's both ends, and PMKD 1 places on the milling machine platform, and the clamp plate on the milling machine platform then presses on the extension piece, and its dismouting and the fixing of being convenient for of this kind of mode.

The upper surface of the fixed bottom plate 1 is provided with two end positioning plates 2 which are vertically arranged, the lower end parts of the end positioning plates 2 are provided with a plurality of threaded holes, a plurality of bolts which are in threaded connection with the threaded holes one by one are arranged on the fixed bottom plate 1 in a penetrating way, and the fixing mode is simple and quick.

Secondly, be connected with the horizontal piece between the lower extreme of two tip locating plates 2, the both ends terminal surface of horizontal piece is anastomotic with the internal surface in opposite directions of two tip locating plates 2, and it can ensure being parallel to each other of two tip locating plates 2 to this kind of structure, has avoided empting and has leaded to the stability and the accuracy of fixed box to receive the influence, simultaneously, can also improve the fixed firm nature between two tip locating plates 2.

Similarly, the transverse block and the end positioning plate 2 are fixedly connected together through a plurality of bolts.

And the vertical positioning columns 3 are positioned on the front sides of the end positioning plates 2, the vertical positioning columns 3 are inserted into corresponding positioning holes in the box body, the upper ends of the vertical positioning columns 3 are respectively provided with a quenching layer, and the service life of the vertical positioning columns 3 can be prolonged.

The lower end of the vertical positioning column 3 is connected with the fixed bottom plate 1 in a welding or threaded connection mode.

A holding space is formed between the two end positioning plates 2, the box body part is arranged in the holding space, and the support legs of the box body a contact with the front side surfaces of the end positioning plates 2 or leave gaps.

Be connected with diaphragm 4 between the rear side middle part of two tip locating plates 2, furtherly, diaphragm 4 one end articulates on the trailing flank of one of them tip locating plate 2 through hinge 41, is equipped with spacing regulation pole 42 on the trailing flank of another tip locating plate 2 or PMKD 1, and the relative tip locating plate 2 of diaphragm 4 rotates and forces the other end of diaphragm 4 to place at spacing regulation pole 42 top, is equipped with vertical grafting connection structure between the other end of diaphragm 4 and spacing regulation pole 42 top. Through the structural design, the transverse plate 4 can be conveniently opened, so that the space between the end positioning plates 2 can be cleaned.

As shown in figure 4 of the drawings,

the vertical plug-in connection structure comprises a plug pin 43 arranged on the lower surface of the other end of the transverse plate 4, and a plug pin hole 44 for the plug pin 43 to insert is arranged at the upper end of the limit adjusting rod 42. The vertical splicing connection structure can ensure the stability of the other end of the transverse plate 4 for fixing, and free up-and-down swinging is avoided.

As shown in the figures 1-5 of the drawings,

a locking screw rod 5 penetrates through the middle of the transverse plate 4, one end of the locking screw rod 5 is sleeved with a tool matching part 6 positioned on the rear surface of the transverse plate 4, the tool matching part 6 is in threaded connection with the locking screw rod 5, the locking screw rod 5 can be forced to move relatively to the rear side of the end positioning plate 2 by rotating the tool matching part 6, the rotating tool matching part 6 is always in contact with the rear surface of the transverse plate 4, the other end of the locking screw rod 5 extends into the clamping space, two arc plates 7 which are symmetrical with the axis of the locking screw rod 5 are connected to one end of the locking screw rod 5 extending into the clamping space, and a transmission structure which can drive the arc plates 7 to expand outwards and support the inner wall of the box body hole 1 when the locking screw rod 5 rotates and moves towards the rear side of the transverse plate 4 is arranged between the locking screw rod 5 and the arc plates.

The locking screw rod 5 relatively moves towards the rear side of the end positioning plate 2, then the transmission of the transmission structure is driven to force the arc-shaped plate 7 to move radially outwards to be tightly attached to the inner wall of the box hole, namely, three-point fixation is formed between the locking screw rod and the vertical positioning column 3, the fixation is stable and firm, the precision of a milling plane and the verticality of the milling plane and the box hole can be ensured, and the design is more reasonable.

And secondly, the rejection rate is greatly reduced, and the production requirements of current enterprises are met.

Specifically, the transmission structure of this embodiment includes transmission support 71, and transmission support 71 is the H support, and transmission support 71 is the splayed distribution and inclines outwards from the one end that locking screw 5 stretched into in the clamping space to the other end of locking screw 5, and one end of transmission support 71 is articulated with the concave surface middle part of the interior arc of arc 7, and the other end of transmission support 71 is articulated with the lateral part of locking screw 5.

A second pressure spring 73 is connected with the front ends of the transmission bracket 71 and the inner arc concave surface of the arc plate 7.

One end of the locking screw 5 extending into the clamping space is sleeved with a fixed sleeve 51 which is connected with the locking screw 5 in a circumferential rotating manner, the fixed sleeve 51 is provided with two hinged seats 52, and the transmission supports 71 are hinged with the hinged seats 52 one by one.

A first pressure spring 72 is connected between the fixed sleeve 51 and the transmission bracket 71.

Locking screw 5 relatively moves then to the rear side of tip locating plate 2 and drives the relative locking screw 5 of transmission support 71 and rotate, also drives the relative arc 7 of transmission support 71 simultaneously and rotates, and force arc 7 to be inserted just can make the contact of outer arc convex surface and box downthehole wall of arc 7 after to the box hole under the effect of pressure spring 72 and pressure spring two 73, along with locking screw 5 constantly removes, just also can force arc 7 and box downthehole wall to realize the tight fit, promptly, tight support rises.

The design of the hinge base 52 can facilitate the mounting connection of the transmission bracket 71.

Secondly, the inner wall of the fixed sleeve 51 is provided with a bearing which is sleeved on the locking screw 5.

In addition, the upper side of the middle part of the transverse plate 4 is provided with a positioning notch 45 and an insertion block 46 detachably connected with the positioning notch 45, and the locking screw 5 penetrates through the insertion block 46 and is in threaded connection with the insertion block 46.

After the processing is finished, the locking of the tool matching part 6 is cancelled, the tool matching part 6 is a hexagon nut, the locking screw 5 is upwards separated from the positioning notch 45, namely, the inserting block 46 is also synchronously upwards separated, and the box body can be separated from the arc-shaped plate 7 after being separated from the vertical positioning column.

In an optimized scheme, a U-shaped slot 451 is arranged on the inner wall of the positioning notch 45, and a U-shaped protrusion 461 inserted into the U-shaped slot 451 is arranged on the circumferential direction of the insertion block 46.

Next, a rotation locking block 47 is connected to the upper side of the horizontal plate 4 through a connecting shaft, and the rotation locking block 47 is horizontally placed on the upper surface of the insertion block 46 after the insertion block 46 is inserted into the positioning notch 45. The locking block 47 is rotated to prevent the insertion block 46 from being separated upwards, so that the limiting effect is achieved, and after the machining is completed, the limiting effect can be cancelled as long as the locking block 47 is rotated.

As shown in fig. 1-6, the working principle of the present embodiment is as follows:

the arc-shaped plate 7 connected to the locking screw 5 is inserted into a box hole in advance, then two holes a2 on the lower surface of the box are aligned with and fixed on the vertical positioning column, a quenching layer is arranged at the upper end of the vertical positioning column, and a limiting convex shoulder is positioned below the quenching layer and can position the upper position and the lower position.

The insert block 46 connected to the locking screw 5 is inserted into the positioning notch 45, the tool kit 6 on the locking screw 5 abuts against the insert block 46 and rotates relative to the insert block 46, the locking screw 5 can be driven to move towards the rear side of the fixed base plate 1 at the moment, the transmission bracket 71 rotates relative to the locking screw 5 to force the arc-shaped plate 7 to be in close contact with the box body hole, and then the horizontal milling cutter b on the milling machine is in contact with the box body support leg and is milled.

After the milling process is finished, the tool matching part 6 is rotated reversely, the arc-shaped plate 7 and the box body hole at the moment are cancelled to be in close contact, and the box body and the locking screw rod 5 are upwards separated and finally disassembled.

As shown in the figures 7-8 of the drawings,

two circular ring limiting support frames 53 are rotatably connected to the locking screw 5, the circular ring limiting support frames 53 are located between the two arc plates 7, and a space is reserved between the inner walls of the arc plates 7 and the peripheries of the circular ring limiting support frames 53.

Two circular ring limiting supports 53 are located outside the two ends of the fixing sleeve 51.

The designed circular ring limiting support frame 53 can prevent the arc-shaped plates 7 from being automatically and inwards approaching to each other, namely, the limiting function in the limit is achieved.

The ring limit support 53 includes an inner ring connected to an outer ring by a plurality of circumferentially evenly distributed extension rods.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Be applied to box milling processing fixing device of worm gear reduction gear, including the PMKD (1) that is the level setting, its characterized in that, be equipped with two tip locating plates (2) that are vertical setting on the upper surface of PMKD (1), and be located the vertical reference column (3) of every tip locating plate (2) front side, vertical reference column (3) are inserted in the corresponding locating hole on the box, form the centre gripping space between two tip locating plates (2), be connected with diaphragm (4) between the rear side middle part of two tip locating plates (2), wear to be equipped with locking screw (5) in the middle part of diaphragm (4), one pot head of locking screw (5) is equipped with the instrument of locating the rear surface of diaphragm (4) and joins in marriage external member (6), the other end of locking screw (5) stretches into in the centre gripping space, one end that locking screw (5) stretches into the centre gripping space is connected with two arc plates (7) with locking screw (5) axis symmetry, a transmission structure which can drive the arc-shaped plate (7) to expand outwards and is supported on the inner wall of the box hole when the locking screw rod (5) rotates and moves towards the rear side of the transverse plate (4) is arranged between the locking screw rod (5) and the arc-shaped plate (7).

2. The box milling and fixing device applied to the worm and gear speed reducer is characterized in that the transmission structure comprises two transmission supports (71), one ends of the transmission supports (71) extending into the clamping space from the locking screw (5) incline outwards towards the other ends of the locking screw (5), the two transmission supports (71) are distributed in a splayed shape, one ends of the transmission supports (71) are hinged to the middle of the inner arc concave surface of the arc plate (7), the other ends of the transmission supports (71) are hinged to the side portion of the locking screw (5), and the front ends of the inner arc concave surfaces of the transmission supports (71) and the arc plate (7) are connected with a second pressure spring (73); one pot head that stretches into in the centre gripping space at locking screw (5) is equipped with fixed cover (51) of being connected with locking screw (5) circumferential direction, is equipped with two articulated seats (52) on fixed cover (51), transmission support (71) articulated with articulated seat (52) one by one, be connected with pressure spring (72) between fixed cover (51) and transmission support (71).

3. The milling and fixing device for the box body of the worm and gear speed reducer as claimed in claim 1, wherein one end of the transverse plate (4) is hinged to the rear side of one of the end positioning plates (2) through a hinge shaft (41), a limit adjusting rod (42) is arranged on the rear side of the other end positioning plate (2) or the fixed bottom plate (1), the opposite end positioning plate (2) of the transverse plate (4) rotates to force the other end of the transverse plate (4) to be placed at the top of the limit adjusting rod (42), and a vertical splicing and connecting structure is arranged between the other end of the transverse plate (4) and the top of the limit adjusting rod (42).

4. The milling and fixing device for the box body of the worm and gear speed reducer as claimed in claim 3, wherein the vertical plug-in connection structure comprises a plug pin (43) arranged on the lower surface of the other end of the transverse plate (4), and a plug pin hole (44) for inserting the plug pin (43) is formed in the upper end of the limit adjusting rod (42).

5. The milling and fixing device for the box body of the worm gear and worm reducer as claimed in claim 3, wherein the transverse plate (4) is provided with a positioning notch (45) at the upper side of the middle part and an insertion block (46) detachably connected with the positioning notch (45), and the locking screw (5) penetrates through the insertion block (46) and is in threaded connection with the insertion block (46).

6. The milling and fixing device for the box body of the worm and gear speed reducer is characterized in that a U-shaped slot (451) is formed in the inner wall of the positioning notch (45), and a U-shaped protrusion (461) inserted into the U-shaped slot (451) is formed in the circumferential direction of the insertion block (46).