CN211373394U

CN211373394U - Sine gauge for detecting cutter teeth of spiral bevel gear milling cutter

Info

Publication number: CN211373394U
Application number: CN201922134428.6U
Authority: CN
Inventors: 何猛; 韩卫民; 任池; 赵卫民; 郑潘妥
Original assignee: Hanjiang Tool Co ltd
Current assignee: Hanjiang Tool Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-28
Anticipated expiration: 2029-12-03

Abstract

A sine gauge for detecting cutter teeth of a spiral bevel gear milling cutter comprises a detection main body and two identical cylinders, wherein strip-shaped baffle tables are respectively arranged on two sides of the top surface of the detection main body, a clamping space is formed between each strip-shaped baffle table and the top surface of the detection main body, and a clamping mechanism for clamping the cutter teeth is arranged at the front end of the detection main body; because the clamping mechanism capable of adjusting the clamping space is arranged at the front end of the detection main body, the cutter teeth of the spiral bevel gear milling cutter with different specifications can be correspondingly adjusted and clamped, the clamping mechanism is simple in structure, only the cutter handle of the cutter teeth to be detected needs to be arranged on the detection main body, and then the cutter handle is clamped firmly through the clamping mechanism. According to the above, the utility model discloses a quick centre gripping of sword tooth to and enlarge the purpose to the detection range of sword tooth.

Description

Sine gauge for detecting cutter teeth of spiral bevel gear milling cutter

Technical Field

The utility model belongs to the technical field of cutter check out test set, a anchor clamps is related to, specifically is the sine gauge for detecting spiral bevel gear milling cutter sword tooth.

Background

The spiral bevel gear has the advantages of stable transmission, high bearing capacity, long service life and the like, and is widely applied to the fields of power generation equipment, petroleum machinery, rail transit, aviation and the like. Because spiral bevel gears have high precision requirements, when the spiral bevel gears are machined, the spiral bevel gears can require high precision on corresponding cutters. A common tool for machining spiral bevel gears is a spiral bevel gear milling cutter. The spiral bevel gear milling cutter comprises a disc cutter body and cutter teeth. As shown in fig. 1, the cutter teeth include a toothed surface and a shank. The tooth-shaped surface is an Archimedes spiral surface, and the knife handle is of a flat structure. When the nominal diameter of the spiral bevel gear milling cutter is 1.5-3.5 ', the spiral bevel gear milling cutter adopts an integral structure, and 3.5-60' -adopts an assembly structure. Tooth angles alone are classified into 48 tool types due to differences in nominal diameter and positioning of the teeth. And the evaluation of the accuracy of the cutter teeth is obtained by detecting the tooth profile. The precision of the cutter teeth directly influences the precision of the arc bevel gear milling cutter.

The tool used for detecting the precision of the cutter teeth of the arc bevel gear milling cutter at present is a sine gauge. The existing sine gauge is in one-to-one correspondence with the cutter teeth. That is, a single gauge sine gauge can only detect teeth corresponding to a single gauge. However, the types of the cutters to be detected are various, and complete sine gauge clamps cannot be arranged on the site for producing the cutter teeth, so that the cutter teeth of a plurality of arc bevel gear milling cutters cannot be detected after production. Thereby influencing the control of the precision of the arc bevel gear milling cutter.

Disclosure of Invention

In view of this, the utility model provides a sine gauge for detecting spiral bevel gear milling cutter sword tooth can adapt to the spiral bevel gear milling cutter sword tooth of multiple specification to realize the quick centre gripping of sword tooth, with this detection range who enlarges the spiral bevel gear milling cutter sword tooth.

The utility model adopts the technical proposal that: a sine gauge for detecting cutter teeth of a spiral bevel gear milling cutter comprises a detection main body and two identical cylinders, wherein the two cylinders are fixed at the bottom of the detection main body in parallel, and the top surface of the detection main body is rectangular and is parallel to a plane where the axes of the two cylinders are located; the method is characterized in that: the two sides of the top surface of the detection main body are respectively provided with a strip-shaped baffle table, the two strip-shaped baffle tables are symmetrical in shape, a clamping space is formed between the two strip-shaped baffle tables and the top surface of the detection main body, and the front end of the detection main body is provided with a clamping mechanism for clamping cutter teeth; fixture includes crossbeam, U-shaped pressure frame and screw, the crossbeam is close to the front end that detects the main part to span and be fixed in the top that two bars kept off the platform, the U-shaped pressure frame includes two vertical depression bars and fixes the connecting rod in two depression bars upper ends, set up two fore-and-aft through-holes on the crossbeam, the pass and the interval of two through-holes with two depression bars of U-shaped pressure frame correspond, and two depression bars pass respectively from the through-hole and form slidable clearance fit with the through-hole, the screw vertically passes the connecting rod offsets with the upper surface of crossbeam, screw and connecting rod threaded connection.

Furthermore, a reinforcing rod is fixedly connected to the positions, close to the lower ends, of the two pressure rods.

Furthermore, two grooves are formed in the opposite surfaces, close to the front ends, of the two strip-shaped blocking platforms, the clamping mechanism further comprises two adjusting blocks, the two adjusting blocks can be respectively inserted into the two grooves to form clearance fit, the width of each adjusting block is larger than the depth of the corresponding groove, and the opposite surfaces of the two adjusting blocks are clamping surfaces.

Furthermore, two bar-shaped baffle tables are provided with transverse bar-shaped holes on the side surfaces corresponding to the grooves, the adjusting blocks are inserted into one side of the grooves to be provided with threaded holes, and the locking screws penetrate through the bar-shaped holes to be in threaded connection with the threaded holes of the adjusting blocks.

Further, fixture still includes the cushion, and the cushion inlay card keeps off between the platform at two bars, the bottom surface of cushion with the top surface laminating of detection subject, the top surface of cushion is parallel with the top surface of detecting the subject.

The utility model has the advantages that: because the front end of the detection main body is provided with the clamping mechanism capable of adjusting the clamping space, the cutter teeth of the spiral bevel gear milling cutter with different specifications can be correspondingly adjusted and clamped, the clamping mechanism is simple in structure, only the cutter handle of the cutter teeth to be detected needs to be arranged on the detection main body, and then the U-shaped pressing frame is pressed down through the rotating screw to firmly clamp the cutter handle. According to the above, the utility model discloses a quick centre gripping of sword tooth to and enlarge the purpose to the detection range of sword tooth.

In the additional technical characteristics, the detachable adjusting block and the detachable cushion block are additionally arranged, so that the clamping mechanism can change the clamping space from a plurality of directions, and the detection range of the cutter teeth with different specifications is further expanded.

Drawings

FIG. 1 is a schematic view of a spiral bevel gear milling cutter tooth construction.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a view of the present invention from direction a.

Fig. 4 is a view from direction B of the present invention.

Fig. 5 is a schematic view of a clamping cutter tooth according to the present invention.

Fig. 6 is a schematic diagram of the present invention for detecting teeth.

In the figure: 1. the detection device comprises a cutter tooth 1-1, a toothed surface 1-2, a transition section 1-3, a cutter handle 2, a cylinder 3, a detection main body 4, a strip-shaped baffle table 5, a beam 6, a U-shaped pressing frame 6-1, a connecting rod 6-2, a pressure rod 7, a screw 8, a reinforcing rod 9, an adjusting block 10, a strip-shaped hole 11, a locking screw 12, a cushion block 13, a base 14, an arc-shaped hole 15 and a dial indicator.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a sine rule for detecting spiral bevel gear milling cutter sword tooth, is including detecting main part 3 and two the same cylinders 2, and two cylinders 2 parallel fixation are in the bottom that detects main part 3, and the top surface that detects main part 3 is the plane parallel that rectangle and two cylinders 2 axis were located.

As shown in fig. 1, the left and right sides of the top surface of the detection main body 3 are respectively provided with a strip-shaped block platform 4. The two strip-shaped baffle tables 4 are symmetrical in shape. A clamping space is formed between the two strip-shaped blocking platforms 4 and the top surface of the detection main body 3. The front end of the detection body 3 is provided with a clamping mechanism for clamping the cutter teeth 1. The utility model discloses an emphasis lies in, through fixture's adjustment for the centre gripping space is fit for the sword tooth 1 that corresponds, and then realizes carrying out the centre gripping and detecting to the sword tooth 1 of multiple specification on a sine rule.

As shown in fig. 2 to 4, the clamping mechanism includes a cross beam 5, a U-shaped pressing frame 6, and a screw 7. The beam 5 is close to the front end of the detection main body 3 and spans and is fixed above the two strip-shaped baffle tables 4. The position of the cross beam 5 determines the position of the clamping means. The U-shaped pressing frame 6 comprises two pressing rods 6-2 and a connecting rod 6-1. The connecting rod 6-1 is vertical to the two pressure rods 6-2 and fixed at the upper end positions of the two pressure rods 6-2. The lower ends of the two pressure levers 6-2 are clamping ends. The positions of the two pressure rods 6-2 close to the lower end are fixedly connected with a reinforcing rod 8 for increasing the strength of the U-shaped pressure frame 6. Two longitudinal through holes are formed in the cross beam 5, and the hole pattern and the distance of the two through holes correspond to the cross sections and the interval positions of the two pressing rods 6-2 of the U-shaped pressing frame 6. Two compression bars 6-2 respectively pass through the through holes and form slidable clearance fit with the through holes. A threaded hole is formed in the middle of a connecting rod 6-1 of the U-shaped pressing frame 6, a screw 7 is screwed into and penetrates through the threaded hole of the connecting rod 6-1, and the end part of the screw 7 is vertically abutted against the upper surface of the cross beam 5. With the above structure, when the screw 7 is rotated, the U-shaped pressing frame 6 is displaced downward or upward along with the rotation direction of the screw 7. Accordingly, the holding space formed by the push-down bar 6-2, the bar-shaped block 4, and the detecting body 3 is also reduced or enlarged. Therefore, the purpose of clamping and detecting the cutter teeth 1 with various specifications can be realized.

In order to clamp the cutter tooth 1 more stably, an adjusting block 9 for transversely adjusting the clamping space and a cushion block 12 for longitudinally and further finely adjusting the clamping space are added in the clamping mechanism. The concrete structure is as follows:

as shown in fig. 2 and 4, two grooves are formed on the opposite surfaces of the two strip-shaped baffle tables 4 near the front ends. The two adjusting blocks 9 can be respectively inserted into the two grooves to form clearance fit. The width of the adjusting block 9 needs to be larger than the depth of the groove to realize the adjustment of the clamping space in the transverse direction. The opposite surfaces of the two adjusting blocks 9 are clamping surfaces. As can be seen from fig. 1, the lengths of the left and right sides of the shank 1-3 of the cutter tooth 1 are different, so that the distance between the two adjusting blocks 9 protruding from the front end of the detecting body 3 needs to be considered for the stability during clamping. The specific structure is as shown in fig. 2 and fig. 3, two strip-shaped baffle tables 4 are provided with transverse strip-shaped holes 10 on the side surfaces corresponding to the grooves. One side of the adjusting block 9 inserted in the groove is provided with a threaded hole. The strip-shaped holes 10 and the threaded holes are positioned at the same height. A locking screw 11 passing through the strip-shaped hole 10 is in threaded connection with the threaded hole of the adjusting block 9. When the distance that the front end of the adjusting block 9 extends out of the front end of the detection main body 3 needs to be adjusted, only the locking screw 11 needs to be loosened, the adjusting block 9 is subjected to sliding displacement, and the locking bolt is screwed after the preset position is reached. As shown in FIG. 5, after the adjusting cushion block 12 is adjusted, the two sides of the tool shanks 1-3 are attached to the adjusting block 9, so that a more stable clamping effect is obtained.

As shown in fig. 2 and 4, the clamping mechanism further includes a spacer 12. The cushion block 12 is embedded between the two strip-shaped baffle tables 4 in a clamping manner, the bottom surface of the cushion block 12 is attached to the top surface of the detection main body 3, and the top surface of the cushion block 12 is parallel to the top surface of the detection main body 3. If the clamping mechanism is simultaneously provided with the adjusting block 9, the side surface of the cushion block 12 is abutted against the clamping surface of the adjusting block 9.

According to the above, the utility model discloses can be through the size in regulation centre gripping space to this sword tooth 1 that adapts to different specification spiral bevel gear milling cutter. The purpose of expanding the application range is realized. And the clamping mechanism has simple structure and simple operation. The purpose of simple clamping is also achieved.

As shown in fig. 6, the utility model discloses when needing to cooperate with the curved hole 14 that has the scale to measure. The respective component positions need to be defined. The method comprises the following specific steps:

one of the cylinders 2 fixed at the bottom of the detection body 3 is located at one end of the bottom of the detection body 3, and one end of the cylinder 2 is hinged with the detection base 13. The utility model can rotate around the cylinder 2 on the base 13. A hole which can simultaneously penetrate through the adjusting shaft is arranged at the same position of the two strip-shaped baffle tables 4. The axis of the adjustment shaft is parallel to the axes of the two cylinders 2. One end of the adjusting shaft is inserted into an arc-shaped hole 14 with scales on the side surface of the base 13, so that the adjusting shaft can move along the arc-shaped hole 14. When the adjusting shaft reaches a preset position, the other end of the adjusting shaft is locked and positioned through the locking screw 11.

Use the utility model discloses the time, through U-shaped pressure frame 6, adjusting block 9 and cushion 12 among the fixture with the firm back of handle of a knife 1-3 centre gripping of sword tooth 1, adjust the angle of sine rule, make the tooth profile 1-1 of sword tooth 1 reachs and wait to detect the plane, cooperate corresponding detection method and amesdial 15's reading, can obtain required detection value, and then realize the control to 1 precision of arc tooth bevel gear milling cutter sword tooth.

Claims

1. A sine gauge for detecting cutter teeth of a spiral bevel gear milling cutter comprises a detection main body and two identical cylinders, wherein the two cylinders are fixed at the bottom of the detection main body in parallel, and the top surface of the detection main body is rectangular and is parallel to a plane where the axes of the two cylinders are located; the method is characterized in that: the two sides of the top surface of the detection main body are respectively provided with a strip-shaped baffle table, the two strip-shaped baffle tables are symmetrical in shape, a clamping space is formed between the two strip-shaped baffle tables and the top surface of the detection main body, and the front end of the detection main body is provided with a clamping mechanism for clamping cutter teeth; fixture includes crossbeam, U-shaped pressure frame and screw, the crossbeam is close to the front end that detects the main part to span and be fixed in the top that two bars kept off the platform, the U-shaped pressure frame includes two vertical depression bars and fixes the connecting rod in two depression bars upper ends, set up two fore-and-aft through-holes on the crossbeam, the pass and the interval of two through-holes with two depression bars of U-shaped pressure frame correspond, and two depression bars pass respectively from the through-hole and form slidable clearance fit with the through-hole, the screw vertically passes the connecting rod offsets with the upper surface of crossbeam, screw and connecting rod threaded connection.

2. A sine gauge for sensing the teeth of a spiral bevel gear milling cutter according to claim 1, wherein: the positions of the two pressure rods, which are close to the lower ends, are fixedly connected with a reinforcing rod.

3. A sine gauge for sensing the teeth of a spiral bevel gear milling cutter according to claim 1, wherein: two grooves are formed in the opposite surfaces, close to the front ends, of the two strip-shaped baffle tables, the clamping mechanism further comprises two adjusting blocks, the two adjusting blocks can be respectively inserted into the two grooves to form clearance fit, the width of each adjusting block is larger than the depth of each groove, and the opposite surfaces of the two adjusting blocks are clamping surfaces.

4. A sine gauge for sensing the teeth of a spiral bevel gear milling cutter according to claim 3, wherein: the two strip-shaped baffle tables are provided with transverse strip-shaped holes on the side surfaces corresponding to the grooves, the adjusting blocks are inserted into one side of the grooves to be provided with threaded holes, and the locking screws penetrate through the strip-shaped holes to be in threaded connection with the threaded holes of the adjusting blocks.

5. A sine gauge for sensing the teeth of a spiral bevel gear milling cutter according to claim 1, wherein: the clamping mechanism further comprises a cushion block, the cushion block is embedded between the two strip-shaped retaining platforms in a clamped mode, the bottom face of the cushion block is attached to the top face of the detection main body, and the top face of the cushion block is parallel to the top face of the detection main body.