CN216227363U

CN216227363U - Fixing device is used in worm gear processing

Info

Publication number: CN216227363U
Application number: CN202122549361.XU
Authority: CN
Inventors: 蒲节童
Original assignee: Chongqing Gulisen Transmission Machinery Co ltd
Current assignee: Chongqing Gulisen Transmission Machinery Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-08
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of worm gear machining, in particular to a fixing device for worm gear machining, which comprises a base and a support arranged on the upper side face of the base, wherein a supporting disc is arranged in the middle of the support, the supporting disc is connected with the support through an angle adjusting assembly, and a positioning and fixing assembly is arranged on the upper side face of the supporting disc; the fixed subassembly in location includes the location platform, the location platform sets up on the supporting disk side, side middle part sets up the locating lever on the location platform, a side surface sets up first spring in the first cell body, first spring one end sets up first locating pin, first locating pin activity sets up in first cell body, a side surface sets up the second spring in the second cell body, second spring one end sets up the second locating pin, second locating pin activity sets up in the second cell body. The utility model can position and fix the fast points of worm gears with different specifications, and has adjustable processing angle and high processing efficiency.

Description

Fixing device is used in worm gear processing

Technical Field

The utility model relates to the technical field of worm gear machining, in particular to a fixing device for worm gear machining.

Background

Worm and worm gear mechanisms are commonly used to transfer motion and power between two interleaved shafts. The worm wheel and worm correspond to a gear and rack in their mid-plane, the gear reduction ratio of the worm wheel is typically 20:1, sometimes even up to 300:1 or more, and the worm wheel needs to be fixed during machining to enable it to be machined.

The utility model discloses a worm wheel processing fixed station as grant notice number is CN208662733U, including stand and base, the top middle part welding of base has the stand, the U type fluting has been seted up at the middle part of stand, the inside horizontal interlude of U type fluting is provided with the screwed pipe, the inside screw thread interlude of screwed pipe is provided with first lead screw, the bearing has been cup jointed to the one end of first lead screw, the fixed backup pad that is provided with of top avris of bearing, the middle part skin weld of backup pad has the sleeve pipe, sheathed tube top threaded connection has the fixing base, the bolt hole has all been seted up to the bottom both sides side of fixing base, the sheathed tube outer wall both sides interlude respectively is provided with the bolt, the one end of two bolts respectively with two bolt hole threaded connection. The utility model can conveniently adjust the position of the supporting plate through the sliding rod, the bearing, the screwed pipe, the remote rod and the first screw rod, and can conveniently adjust the telescopic position of the worm wheel by using the first screw rod and the remote rod, so that the processing and cutting of a user are facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the utility model provides a fixing device for processing a worm gear, which comprises a base and a support arranged on the upper side surface of the base, wherein a support disc is arranged in the middle of the support, the support disc is connected with the support through an angle adjusting assembly, and a positioning and fixing assembly is arranged on the upper side surface of the support disc;

the fixed subassembly in location includes the locating platform, the locating platform sets up on the supporting disk side, side middle part sets up the locating lever on the locating platform, locating lever surface lower part symmetry sets up first cell body and second cell body, a side surface sets up first spring in the first cell body, first spring one end sets up first locating pin, first locating pin activity sets up in first cell body, a side surface sets up the second spring in the second cell body, second spring one end sets up the second locating pin, second locating pin activity sets up in the second cell body.

Preferably, the cross sections of the first positioning pin and the second positioning pin are both isosceles trapezoids, and the specifications of the first positioning pin and the second positioning pin are the same.

Preferably, a threaded section is arranged on the upper side face of the positioning rod, and a locking nut is arranged on the threaded section.

Preferably, the locating lever of lock nut lower part cup joints the pressure cover, it sets up the pressure pad to press to be annular equidistance on the cover downside.

Preferably, angle adjusting part includes first pivot and second pivot, first pivot and second pivot symmetry set up in supporting disk surface both sides, a side surface rotates in first pivot one end and the support and is connected, second pivot one end runs through the support to rotate with a side surface in the box body and be connected, the box body sets up at a support side surface, cup joint the gear in the second pivot, wheel and rack toothing, the rack sets up one side in the box body, rack side surface sets up adjusting nut, adjusting nut is connected with adjusting screw, adjusting screw rotates and sets up in the recess, a side surface in the box body is seted up to the recess.

Preferably, one end of the adjusting screw rod is connected with an adjusting hand wheel, and the adjusting hand wheel is arranged at the top of the box body.

Preferably, the top of the supporting disk is provided with a balance limiting rod, the upper side of the base is provided with a balance limiting block, and the balance limiting rod is attached to the balance limiting block.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the first positioning pin and the second positioning pin can be attached to the inner walls of the inner rings of the worm gears with different specifications through the elastic forces of the first spring and the second spring, so that the quick positioning function of the worm gears with different specifications is realized, and the positioning and fixing of the worm gears with different specifications are facilitated.

2. According to the utility model, through the arrangement of the angle adjusting assembly, the processing angle of the worm wheel can be adjusted, the processing range of the worm wheel is improved, the processing requirements of different angles are met, and the processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a fixing device for worm and gear machining according to a first embodiment;

FIG. 2 is a front sectional view of a positioning and fixing component in the fixing device for processing worm and gear;

FIG. 3 is a schematic structural diagram according to a second embodiment;

FIG. 4 is a front sectional view of an angle adjusting assembly in the fixing device for worm gear processing;

fig. 5 is a right sectional view of the angle adjusting unit in the fixing device for worm gear processing.

Reference numerals: 1. positioning and fixing the assembly; 2. an angle adjustment assembly; 3. balancing the limiting rod; 4. a base; 5. a support; 6. a support disc; 7. a balance limiting block; 21. a first rotating shaft; 22. a second rotating shaft; 23. A box body; 24. a gear; 25. adjusting a hand wheel; 26. adjusting the screw rod; 27. adjusting the nut; 28. a groove; 29. a rack; 101. a positioning table; 102. a first positioning pin; 103. a first tank body; 104. a first spring; 105. positioning a rod; 106. a threaded segment; 107. locking the nut; 108. a second tank body; 109. A second spring; 110. a second positioning pin; 111. pressing the sleeve; 112. and a pressure pad.

Detailed Description

Example one

As shown in fig. 1-2, the fixing device for processing a worm gear and a worm provided by the utility model comprises a base 4 and a bracket 5 arranged on the upper side surface of the base 4, wherein a supporting disc 6 is arranged in the middle of the bracket 5, the supporting disc 6 is connected with the bracket 5 through an angle adjusting assembly 2, and a positioning fixing assembly 1 is arranged on the upper side surface of the supporting disc 6;

the positioning fixing assembly 1 comprises a positioning table 101, the positioning table 101 is arranged on the upper side face of a supporting disc 6, a positioning rod 105 is arranged in the middle of the upper side face of the positioning table 101, a first groove 103 and a second groove 108 are symmetrically arranged on the lower portion of the outer surface of the positioning rod 105, a first spring 104 is arranged on one side surface in the first groove 103, a first positioning pin 102 is arranged at one end of the first spring 104, the first positioning pin 102 is movably arranged in the first groove 103, a second spring 109 is arranged on one side surface in the second groove 108, a second positioning pin 110 is arranged at one end of the second spring 109, and the second positioning pin 110 is movably arranged in the second groove 108.

In this embodiment, firstly, the worm wheel is sleeved on the positioning rod 105, then the inner ring of the worm wheel simultaneously extrudes the first positioning pin 102 and the second positioning pin 110, the first positioning pin 102 compresses the first spring 104, the second positioning pin 110 compresses the second spring 109, and after the worm wheel is attached to the positioning table 101, the first spring 104 and the second spring 109 enable the first positioning pin 102 and the second positioning pin 110 to be attached to the inner ring of the worm wheel under the action of elastic force, so as to rapidly position the worm wheel.

The cross sections of the first positioning pin 102 and the second positioning pin 110 are both isosceles trapezoids, and the specifications of the first positioning pin 102 and the second positioning pin 110 are the same, so that the worm wheel can drive the first positioning pin 102 and the second positioning pin 110 to move at the same time.

The upper side surface of the positioning rod 105 is provided with a threaded section 106, the threaded section 106 is provided with a locking nut 107, after the worm wheel is positioned, the locking nut 107 is screwed, the locking nut 107 is attached to the worm wheel, and the worm wheel is fixed on the positioning table 101.

6 tops of supporting disk set up balanced gag lever post 3, set up balanced stopper 7 on the side on base 4, balanced gag lever post 3 and the laminating of balanced stopper 7 can carry on spacingly to the balanced position of worm wheel, are convenient for quick adjustment to balanced position, improve the machining precision.

Example two

As shown in fig. 3, compared with the first embodiment, the fixing device for processing a worm gear according to the present invention further includes a pressing sleeve 111 sleeved on the positioning rod 105 at the lower portion of the locking nut 107, and pressing pads 112 annularly and equidistantly disposed on the lower side of the pressing sleeve 111.

In this embodiment, firstly, the worm wheel is sleeved on the positioning rod 105, then the inner ring of the worm wheel simultaneously extrudes the first positioning pin 102 and the second positioning pin 110, the first positioning pin 102 compresses the first spring 104, the second positioning pin 110 compresses the second spring 109, after the worm wheel is attached to the positioning table 101, the first spring 104 and the second spring 109 are under the action of elastic force, so that the first positioning pin 102 and the second positioning pin 110 are attached to the inner ring of the worm wheel, the worm wheel is rapidly positioned, then the locking nut 107 is screwed, the locking nut 107 drives the pressing sleeve 111 to move downwards, the pressing sleeve 111 drives the pressing pad 112 to move downwards, so that the pressing pad 112 is tightly attached to the worm wheel, and the firmness of the worm wheel in fixing is further improved.

EXAMPLE III

As shown in fig. 4 and fig. 5, compared with the first or second embodiment, the fixing device for processing a worm gear according to the present invention further includes an angle adjusting assembly 2, the angle adjusting assembly 2 includes a first rotating shaft 21 and a second rotating shaft 22, the first rotating shaft 21 and the second rotating shaft 22 are symmetrically disposed on two sides of an outer surface of the supporting plate 6, one end of the first rotating shaft 21 is rotatably connected to an inner side surface of the bracket 5, one end of the second rotating shaft 22 penetrates through the bracket 5 and is rotatably connected to an inner side surface of the box 23, the box 23 is disposed on an inner side surface of the bracket 5, the second rotating shaft 22 is sleeved with a gear 24, the gear 24 is engaged with a rack 29, the rack 29 is disposed on an inner side of the box 23, an adjusting nut 27 is disposed on an inner side surface of the rack 29, the adjusting nut 27 is connected to an adjusting screw 26, the adjusting screw 26 is rotatably disposed in a groove 28, the groove 28 is disposed on an inner side surface of the box 23, one end of the adjusting screw 26 is connected with an adjusting hand wheel 25, and the adjusting hand wheel 25 is arranged at the top of the box body 23.

In this embodiment, when the machining angle of worm wheel needs to be adjusted, rotate adjusting hand wheel 25, adjusting hand wheel 25 drives adjusting screw 26 and rotates, and adjusting nut 27 drives rack 29 and removes, and rack 29 removes and drives gear 24 and rotate, and gear 24 rotates and drives second pivot 22 and rotate, and the brace table drives first pivot 21 and rotates, and then the brace table drives the worm wheel and rotates, and then adjusts the machining angle of worm wheel.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A fixing device for processing a worm gear and a worm comprises a base (4) and a support (5) arranged on the upper side face of the base (4), and is characterized in that a support disc (6) is arranged in the middle of the support (5), the support disc (6) is connected with the support (5) through an angle adjusting assembly (2), and a positioning and fixing assembly (1) is arranged on the upper side face of the support disc (6);

the positioning fixing assembly (1) comprises a positioning table (101), the positioning table (101) is arranged on the upper side face of the supporting disc (6), a positioning rod (105) is arranged in the middle of the upper side face of the positioning table (101), a first groove body (103) and a second groove body (108) are symmetrically arranged on the lower portion of the outer surface of the positioning rod (105), a first spring (104) is arranged on one side surface in the first groove body (103), a first positioning pin (102) is arranged at one end of the first spring (104), the first positioning pin (102) is movably arranged in the first groove body (103), a second spring (109) is arranged on one side surface in the second groove body (108), a second positioning pin (110) is arranged at one end of the second spring (109), and the second positioning pin (110) is movably arranged in the second groove body (108).

2. The worm and gear machining fixing device as claimed in claim 1, wherein the cross sections of the first positioning pin (102) and the second positioning pin (110) are isosceles trapezoids, and the first positioning pin (102) and the second positioning pin (110) are the same in specification.

3. The worm gear and worm machining fixing device as claimed in claim 1, characterized in that a threaded section (106) is arranged on the upper side surface of the positioning rod (105), and a locking nut (107) is arranged on the threaded section (106).

4. The fixing device for worm and gear processing as claimed in claim 3, wherein the positioning rod (105) at the lower part of the locking nut (107) is sleeved with a pressing sleeve (111), and the pressing pads (112) are arranged on the lower side of the pressing sleeve (111) in an annular shape at equal intervals.

5. The fixing device for processing the worm and gear according to claim 1, wherein the angle adjusting assembly (2) comprises a first rotating shaft (21) and a second rotating shaft (22), the first rotating shaft (21) and the second rotating shaft (22) are symmetrically arranged on two sides of the outer surface of the supporting plate (6), one end of the first rotating shaft (21) is rotatably connected with one side surface in the bracket (5), one end of the second rotating shaft (22) penetrates through the bracket (5) and is rotatably connected with one side surface in the box body (23), the box body (23) is arranged on one side surface of the bracket (5), a gear (24) is sleeved on the second rotating shaft (22), the gear (24) is engaged with a rack (29), the rack (29) is arranged on one side in the box body (23), an adjusting nut (27) is arranged on one side surface of the rack (29), and the adjusting nut (27) is connected with an adjusting screw (26), the adjusting screw rod (26) is rotatably arranged in a groove (28), and the groove (28) is formed in the surface of one side in the box body (23).

6. The fixing device for processing the worm and gear according to claim 5, wherein one end of the adjusting screw rod (26) is connected with an adjusting hand wheel (25), and the adjusting hand wheel (25) is arranged at the top of the box body (23).

7. The fixing device for processing the worm and gear according to claim 1, wherein a balance limiting rod (3) is arranged at the top of the supporting disk (6), a balance limiting block (7) is arranged on the upper side surface of the base (4), and the balance limiting rod (3) is attached to the balance limiting block (7).