CN214747857U

CN214747857U - Automobile transmission combines gear finishing drift profile of tooth height to examine utensil

Info

Publication number: CN214747857U
Application number: CN202121045060.7U
Authority: CN
Inventors: 刘海潮
Original assignee: Wuxi Geruisi Precision Machinery Co ltd
Current assignee: Wuxi Geruisi Precision Machinery Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-16
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses an automobile transmission combines gear finishing drift profile of tooth height to examine utensil, including work piece locating part and survey part, it is fixed that survey part passes through the locating pin on the work piece locating part, and surveys the upper portion that part was fixed at work piece locating part, and work piece locating part passes through end panel, left side board and the right side board on the bottom plate and fixes the shaping drift. The invention mainly solves the problems of accurate positioning of parts and unified measuring point positions. According to the shape of a finishing punch and the characteristics of a finishing process, a checking tool for rapid detection is designed and manufactured, the back inclined plane of the finishing punch is tightly attached to the peripheral inclined plane in a finishing die, the angle of the inclined plane is 10 degrees, the precision is high, a cushion block with 10 degrees is filled on the back surface of the finishing punch, the finishing punch is horizontally placed, the position of a measuring point on the finishing punch is fixed, the placing modes of different finishing punches are consistent, the measuring points are consistent, the sizes of the finishing punches detected by the checking tool are uniform, and the combined gear finished by the finishing punch is high in quality.

Description

Automobile transmission combines gear finishing drift profile of tooth height to examine utensil

Technical Field

The utility model relates to a drift profile of tooth highly examines a technical field, especially an automobile transmission combines gear finishing drift profile of tooth highly to examine utensil.

Background

In order to prevent the automobile from gear shifting during running, the combined teeth are usually designed into an inverted cone shape, and the tooth width of the combined teeth at the outer end in the axial direction is larger than that of the inner teeth. The traditional combined tooth back taper is obtained by cutting and processing by a gear shaping machine, and the method has low production efficiency and low product precision; the combined teeth are produced by cutting, the strength of the combined teeth is obviously reduced, and the phenomenon of tooth breakage is easy to occur in use. The high-quality combined teeth are produced by stamping through a finishing die, the production efficiency is high, the product size is stable, and the consistency is good.

After the combination teeth with the inverted cone are preformed into straight teeth, the combination teeth are placed on a shaping die according to the mode of the drawing, a punch presses the combination teeth, the combination gear moves downwards to push a combination teeth finishing punch to move downwards, the back of the finishing punch is an inclined plane, a conical locking ring matched with the finishing punch is arranged on the periphery of the finishing punch, and the finishing punch moves horizontally when moving downwards to finish the formation of the inverted cone teeth. The reverse taper teeth of the combined teeth are formed, one tooth needs one piece of finishing punch, so that the requirement of the finishing punch is large, and the finishing punch needs to ensure the size consistency in order to ensure the precision of the combined teeth.

The distance consistency from the tooth form of the finishing punch head to the inclined plane of the back is very important, the finishing punch head is irregular in shape and inconvenient to detect by a conventional method, and a three-coordinate instrument is adopted for detecting or a height gauge is used for detecting, so that the following defects are overcome:

1. frequent detection of the three-coordinate measuring instrument is needed, and the occupied capacity of the three-coordinate measuring instrument is occupied.

2. The three-coordinate detecting instrument has long detection time, so that processing waiting is caused;

3. the altimeter detects that the measuring point is a sharp point, so that measuring errors are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a utensil is highly examined to motor transmission combination gear finishing drift profile of tooth has been designed.

Realize above-mentioned purpose the technical scheme of the utility model be, an automobile transmission combines gear finishing drift profile of tooth height to examine utensil, including work piece locating part and survey part, it is fixed that survey part passes through the locating pin on the work piece locating part, and surveys the upper portion that part fixed at work piece locating part, work piece locating part passes through end panel, left side board and the right side board on the bottom plate and fixes the plastic drift.

As right the utility model discloses a further explanation, the work piece locating component includes the bottom plate, be provided with left side board, right side board and end panel on the bottom plate, be provided with the inclined plane locating piece between left side board and the right side board.

As a right description of the present invention, the end plate is disposed on one side of the left side plate and the right side plate, and one side of the left side plate and the right side plate is attached to the surface of the end plate.

As a further explanation of the present invention, the upper portion of the end plate is fixedly provided with a cushion block, and the upper surface of the cushion block is provided with a positioning pin.

As a further explanation of the present invention, the measuring part includes a measuring head guide plate, and the measuring head guide plate is fixedly mounted on the cushion block.

As right the utility model discloses a further explanation, be provided with on the gauge head deflector and run through the groove, the upper portion of gauge head deflector is provided with the backing plate, and the upper portion of backing plate is provided with the show fixed plate of T type.

As right the utility model discloses a further explanation, the one end upper surface that the table fixed plate stretches out is provided with mu level instruction table, the vertical direction department in table fixed plate lower surface correspondence mu level instruction table place is provided with the probe pole.

As to the utility model discloses a further explanation, the upper end fixed mounting of gauge head pole is on the lower surface of table fixed plate, and the other end stretches into the through inslot on the gauge head deflector.

As right the utility model discloses a further explanation, it lifts the driving lever to run through the inslot rotation connection on the gauge head deflector, the one end that the driving lever was lifted to the gauge head stretches out in the outer end that runs through the groove, and the other end is fixed on the gauge head pole.

The invention has the advantages that the invention mainly solves the problems of accurate positioning of parts and unified measuring point position. According to the shape of a finishing punch and the characteristics of a finishing process, a checking tool for rapid detection is designed and manufactured, the back inclined plane of the finishing punch is tightly attached to the peripheral inclined plane in a finishing die, the angle of the inclined plane is 10 degrees, the precision is high, a cushion block with 10 degrees is filled on the back surface of the finishing punch, the finishing punch is horizontally placed, the position of a measuring point on the finishing punch is fixed, the placing modes of different finishing punches are consistent, the measuring points are consistent, the sizes of the finishing punches detected by the checking tool are uniform, and the combined gear finished by the finishing punch is high in quality.

1. By adopting the detection tool, the detection time is greatly shortened, the three-dimensional detection needs 5-8 minutes at a time, and only 10-20 seconds are needed at present.

2. The checking fixture only needs simple training, and a processor can automatically detect the checking fixture.

3. After the first piece three-coordinate detection, other parts only need to be compared and measured with the first piece to confirm the height condition of the first piece.

Drawings

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

FIG. 2 is a schematic view of the structure of the workpiece positioning element;

FIG. 3 is a schematic view of the structure of the measuring unit.

In the figure, 1, a bottom plate; 2. an inclined plane positioning block; 3. a left side plate; 4. a right side plate; 5. shaping a punch; 6. an end panel; 7. cushion blocks; 8. positioning pins; 9. a probe guide plate; 10. the measuring head lifts the deflector rod; 11. a base plate; 12. a display fixing plate; 13. a probe rod; 14. and a mu-level indication table.

Detailed Description

The existing method needs frequent detection of the three-coordinate instrument and occupies the capacity of the three-coordinate instrument; the three-coordinate detecting instrument has long detection time, so that processing waiting is caused; the altimeter detects that the measuring point is a sharp point, so that the problems of measuring errors and the like are easy to occur, so that the technical scheme of the utility model is elaborated in detail according to the attached drawings;

it is right next to combine the attached drawing the utility model discloses it is concrete to describe, as shown in fig. 1, the finishing drift is according to circumference evenly distributed in the plastic mould, V type location portion inserts plays the positioning action in mould center locating piece, back inclined plane and the laminating of mould outer lane inclined plane, the mould outer lane is a high accuracy part, each inclined plane of outer lane is unanimous to central distance, profile of tooth shaping portion decides the jump of profile of tooth after the finishing with the distance at the back, if the back taper profile of tooth after the inconsistent finishing of distance is beated and can be out of tolerance. After the tooth-shaped forming part of the shaping punch 5 is machined, the distance from the tooth shape to the back inclined plane needs to be detected in time, and if the size fluctuation trend occurs, the machining parameters need to be adjusted in time, so that the machined sizes of the parts are consistent.

The finishing punch tooth profile height gauge consists of a workpiece positioning part and a measuring part. The workpiece positioning component is as shown in fig. 2, the workpiece positioning component comprises a bottom plate 1, a left side plate 3 is arranged on the bottom plate 1, a right side plate 4 and an end plate 6 are arranged on the bottom plate 1, an inclined plane positioning block 2 is arranged between the left side plate 3 and the right side plate 4, the end plate 6 is arranged on one side of the left side plate 3 and one side of the right side plate 4 are attached to the surface of the end plate 6, a cushion block 7 is fixedly arranged on the upper portion of the end plate 6, a positioning pin 8 is arranged on the upper surface of the cushion block 7, the measuring component comprises a measuring head guide plate 9, and the measuring head guide plate 9 is fixedly arranged on the cushion block 7.

Workpiece positioning part need guarantee that the finishing drift is placed and is examined the utensil back part vertical, gets to put smoothly, can not appear rocking the phenomenon. The sizes of the 2-degree angle 10 degrees and the 9-degree thickness of the inclined plane positioning block are important, the 10-degree angle ensures the precision of +/-1', and the 9-degree thickness ensures the tolerance of +0.01 to + 0.015. The positioning part is provided with two pins with the diameter of 6 which are connected with the measuring part, so that the accuracy of the measuring point is ensured. The measuring part is shown in fig. 3, the measuring part comprises a measuring head guide plate 9, the measuring head guide plate 9 is fixedly installed on a cushion block 7, a through groove is formed in the measuring head guide plate 9, a backing plate 11 is arranged on the upper portion of the measuring head guide plate 9, a T-shaped indicator fixing plate 12 is arranged on the upper portion of the backing plate 11, a mu-level indicator 14 is arranged on the upper surface of one extending end of the indicator fixing plate 12, a measuring head rod 13 is arranged on the vertical direction of the lower surface of the indicator fixing plate 12 corresponding to the mu-level indicator 14, the upper end of the measuring head rod 13 is fixedly installed on the lower surface of the indicator fixing plate 12, the other end of the measuring head rod extends into the through groove in the measuring head guide plate 9, a measuring head lifting deflector rod 10 is rotatably connected to the through groove in the measuring head guide plate 9, one end of the measuring head lifting deflector rod 10 extends out of the outer end of the through groove, and the other end of the measuring head lifting deflector rod is fixed on the measuring head rod 13.

The measuring part is a component, the relative positions of the measuring head through holes and the pin holes on the measuring head guide plate 9 are important, and the relative position degree of the holes and the holes is 0.02. Different shaping punches 5 have different specifications and different measuring points. The shaping punch 5 with different specifications only needs to manufacture the measuring head guide plate 9 and the display fixing plate 12 with different specifications. The fixing part and the measuring part are assembled respectively, then the two parts are connected together, a pin is arranged between the two components for positioning, the two parts are screwed down by bolts after assembly, and the measuring point is ensured to be at the designated position of the shaping punch 5.

The working principle is as follows: the using method comprises the following steps: pressing the measuring head to lift the deflector rod 10 to lift the measuring head, placing the first piece of the shaping punch 5 qualified in three-coordinate detection in the fixed part, pressing the shaping punch 5 tightly to enable the back surface of the shaping punch 5 to be tightly attached to the inclined surface of the inclined surface positioning block 2, enabling the end surface to be tightly attached to the end surface plate 6, releasing the measuring head to lift the deflector rod 10, enabling the measuring head to be in contact with the tooth-shaped surface of the shaping punch 5, displaying a meter to display a reading, and rotating the meter dial to return to zero. The measuring head is lifted by pressing the measuring head lifting deflector rod 10, the first qualified product is taken out, the shaping punch 5 required to be detected is placed, the reading of the indicating sheet is read, the product is qualified after the reading is +/-0.01, and the detection can be simply, conveniently and quickly implemented by a circular detection method.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The tooth profile height detection tool for the finishing punch combined with the gear of the automobile gearbox is characterized by comprising a workpiece positioning component and a determination component, wherein the determination component is fixed through a positioning pin (8) on the workpiece positioning component, the determination component is fixed at the upper part of the workpiece positioning component, and the workpiece positioning component fixes a finishing punch (5) through an end face plate (6), a left side plate (3) and a right side plate (4) on a bottom plate (1).

2. The tool for detecting the tooth profile height of the finishing punch of the automobile gearbox combined with the gear is characterized in that the workpiece positioning component comprises a bottom plate (1), a left side plate (3), a right side plate (4) and an end plate (6) are arranged on the bottom plate (1), and a bevel positioning block (2) is arranged between the left side plate (3) and the right side plate (4).

3. The automobile gearbox combined gear finishing punch tooth profile height checking fixture is characterized in that the end plate (6) is arranged on one side of the left side plate (3) and the right side plate (4), and one side of the left side plate (3) and one side of the right side plate (4) are attached to the surface of the end plate (6).

4. The tool for checking the tooth profile height of the automobile gearbox combined gear finishing punch is characterized in that a cushion block (7) is fixedly arranged at the upper part of the end plate (6), and a positioning pin (8) is arranged on the upper surface of the cushion block (7).

5. The tool for detecting the tooth profile height of the automobile gearbox combined with the gear finishing punch is characterized in that the measuring part comprises a measuring head guide plate (9), and the measuring head guide plate (9) is fixedly arranged on the cushion block (7).

6. The tool for detecting the tooth profile height of the finishing punch of the gearbox of the automobile according to claim 5, wherein a through groove is formed in the measuring head guide plate (9), a base plate (11) is arranged on the upper portion of the measuring head guide plate (9), and a T-shaped indicator fixing plate (12) is arranged on the upper portion of the base plate (11).

7. The tool for checking the tooth profile height of the finishing punch of the gearbox of the automobile is combined with the gear according to claim 6, wherein a mu-level indicating gauge (14) is arranged on the upper surface of the extending end of the indicating fixing plate (12), and a measuring head rod (13) is arranged on the lower surface of the indicating fixing plate (12) in the vertical direction corresponding to the mu-level indicating gauge (14).

8. The tool for checking the tooth profile height of the finishing punch of the gearbox of the automobile combined with the gear is characterized in that the upper end of the measuring head rod (13) is fixedly arranged on the lower surface of the indicating fixed plate (12), and the other end of the measuring head rod extends into a through groove on the measuring head guide plate (9).

9. The tool for detecting the tooth profile height of the finishing punch of the automobile gearbox combined with the gear is characterized in that a measuring head lifting deflector rod (10) is rotatably connected to a through groove in the measuring head guide plate (9), one end of the measuring head lifting deflector rod (10) extends out of the outer end of the through groove, and the other end of the measuring head lifting deflector rod is fixed to a measuring head rod (13).