CN210689430U

CN210689430U - Detection tool for detecting position degree of gear sleeve hole

Info

Publication number: CN210689430U
Application number: CN201921552674.7U
Authority: CN
Inventors: 孙明智; 颜磊
Original assignee: Tianjin Testing & Measure Technology Co ltd
Current assignee: Tianjin Testing & Measure Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-05
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a checking fixture for detecting the position degree of a gear sleeve hole, which comprises a working platform, a workpiece fixing device arranged on the working platform and a plurality of detecting devices; the workpiece fixing device comprises a base disc fixedly arranged in the center of the working platform and a spline positioning disc fixedly connected with the base disc in an inserting mode, a gear sleeve workpiece is fixedly sleeved on the outer side of the spline positioning disc in a sleeved mode, and the bottom surface of the gear sleeve workpiece is in contact with the base disc; the detection device comprises a positioning device and a measuring rod which are fixedly arranged on the working platform, the measuring rod is arranged in the positioning device, and the central axis of the measuring rod coincides with the central axis of the hole in the gear sleeve workpiece. The utility model discloses can realize at job site quick clamping, rapid survey, the position in three holes on the simultaneous measurement work piece, its is efficient, easy and simple to handle.

Description

Detection tool for detecting position degree of gear sleeve hole

Technical Field

The utility model belongs to machine parts makes the field, especially relates to an examine utensil for detecting tooth cover hole site degree of putting.

Background

As shown in fig. 1, a gear sleeve of a gear sleeve workpiece has gear sleeve holes, wherein the gear sleeve holes are uniformly distributed, and the hole position degree requires phi 0.2, after the existing gear sleeve is produced, a three-coordinate detection mode is usually used for detecting whether the hole position degree is qualified, but the three-coordinate detection has long measurement period, complex operation and low efficiency; in the process of mass production, a convenient and fast checking fixture for detecting the position degree of the gear sleeve hole is urgently needed.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide an examine utensil for detecting tooth cover hole is position degree, utilizes this to examine the hole position degree of utensil to the tooth cover to detect, can realize at the quick clamping of processing scene, quick measurement, whether all porotic position degrees on the simultaneous measurement work piece are accurate, its is efficient, easy and simple to handle.

In order to solve the technical problem, the utility model discloses a technical scheme is: a detection tool for detecting the position degree of a gear sleeve hole comprises a working platform, a workpiece fixing device and a plurality of detection devices, wherein the workpiece fixing device is arranged on the working platform; the workpiece fixing device comprises a base disc fixedly arranged in the center of the working platform and a spline positioning disc fixedly connected with the base disc in an inserting mode, a gear sleeve workpiece is fixedly sleeved on the outer side of the spline positioning disc in a sleeved mode, and the bottom surface of the gear sleeve workpiece is in contact with the base disc; the detection device comprises a positioning device and a measuring rod which are fixedly arranged on the working platform, the measuring rod is arranged in the positioning device, and the central axis of the measuring rod coincides with the central axis of the hole in the gear sleeve workpiece.

Furthermore, the positioning device comprises a linear guide rail, a guide rail sliding block and a fixed base; the linear guide rail is fixedly arranged on the working platform, the guide rail sliding block is fixedly arranged at the bottom of the fixed base, and the linear guide rail is connected with the guide rail sliding block in a sliding manner; the measuring rod is arranged in the fixed base in a penetrating mode.

Furthermore, the positioning device further comprises a sliding block, the fixed base is provided with a notch and matched with the sliding block in a sliding mode, and the measuring rod penetrates through the sliding block. The measuring rod is characterized in that a first through hole is formed in the sliding block, a second through hole is formed in the fixing base, the diameter of the first through hole is the same as that of the second through hole and is the same as that of the measuring rod, and the central axis of the first through hole coincides with that of the second through hole after the sliding block is matched with the fixing base.

Furthermore, the gear sleeve workpiece is provided with a large gear and an annular groove, and the through hole to be detected is positioned in the middle of the large gear; the spline positioning disc is provided with fixing keys and positioning holes, a fixing groove is formed between the two fixing keys, and the large teeth are matched with the fixing groove; the fixed key is meshed with the inner teeth of the gear sleeve workpiece, and the upper half part of the spline positioning disc is a semicircular disc; the base disc comprises a bottom disc and an upper disc which are fixedly connected with each other coaxially, the upper disc is inserted into the positioning hole, and the diameter of the upper disc is equal to the aperture of the positioning hole.

Further, the head of the sliding block is of a wedge-shaped block structure, and the head of the sliding block is inserted into the annular groove.

Furthermore, unable adjustment base is dovetail groove type base, its it has the triangle-shaped notch to open on the unable adjustment base, the afterbody of slider be with triangle-shaped notch assorted triangle-shaped slider, the top of triangle-shaped slider still is provided with the dog.

Further, positioner still includes adjusting device, adjusting device fixed mounting in work platform is last, adjusting device pass through the regulating plate with unable adjustment base fixed connection.

Furthermore, the adjusting device comprises a supporting plate base, a first supporting plate and a second supporting plate are fixedly arranged on the supporting plate base, a track sleeve is fixedly arranged on the first supporting plate, a guide rod is arranged in the track sleeve and penetrates through the first supporting plate, a rotating handle is rotatably connected to the second supporting plate through a pin shaft and is rotatably connected with one end of a middle movable plate, the other end of the middle movable plate is rotatably connected with one end of the guide rod, and the other end of the guide rod is fixedly connected with the adjusting plate.

Furthermore, the number of the detection devices is the same as that of the through holes to be detected of the gear sleeve workpiece, the number of the through holes of the gear sleeve workpiece is three, and the number of the detection devices is three.

Further, the angle between the central axes of the two adjacent measuring rods is the same as the angle of the central axes of the two adjacent through holes of the gear sleeve workpiece.

The utility model has the advantages and positive effects that:

1. the device adopts manual clamping of the gear sleeve workpiece, and is provided with a plurality of detection devices, so that whether the position degrees of all through holes on the gear sleeve workpiece are qualified or not can be detected simultaneously, the measurement is rapid, and the efficiency is high;

2. the adjusting device can drive the guide rail slide block to linearly slide along the linear guide rail, so that the gear sleeve workpiece can be quickly clamped and disassembled; when the gear sleeve workpiece is produced in a large scale, the device can realize quick clamping and quick measurement on site, so that the production efficiency is improved, the time required by measurement is reduced, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of a configuration of a sleeve workpiece according to the present embodiment;

fig. 2 is a schematic overall structure diagram of a checking fixture for detecting the position accuracy of a gear sleeve hole of the present invention;

fig. 3 is a top view of the inspection device for detecting the position accuracy of the gear sleeve hole of the present invention;

fig. 4 is a schematic structural view of a workpiece fixing device in a checking fixture for detecting the position degree of a toothed sleeve hole of the present invention;

fig. 5 is a schematic structural diagram of a first state of an adjusting device in the checking fixture for detecting the position degree of the gear sleeve hole of the present invention;

fig. 6 is a schematic structural view of a spline positioning plate in a gauge for detecting the position degree of a gear sleeve hole of the present invention;

fig. 7 is a top view of a spline positioning plate in a gauge for detecting the position degree of a gear sleeve hole of the present invention;

fig. 8 is a schematic structural view of a base disc in the checking fixture for detecting the position degree of the tooth socket hole of the present invention;

fig. 9 is a schematic diagram of a second adjusting device state in the inspection device for detecting the position degree of the gear sleeve hole of the utility model.

In the figure: 1-a working platform, 2-a detection device, 201-a positioning device, 202-a measurement rod, 203-an adjusting device, 2031-a support plate base, 2032-a first support plate, 2033-a second support plate, 2034-a track sleeve, 2035-a guide rod, 2036-a rotating handle, 2037-a middle movable plate, 2038-a first pin shaft, 2039-a second pin shaft and 2040-a third pin shaft; 204-adjusting plate, 205-linear guide rail, 206-guide rail sliding block, 207-fixed base, 2071-through hole two, 208-sliding block, 2081-through hole one, 2082-stop block, 3-base disc, 301-bottom disc, 302-upper disc, 4-spline positioning disc, 401-fixed key, 402-positioning hole, 403-fixed groove, 5-gear sleeve workpiece, 501-large gear and 502-annular groove.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1-9, a checking fixture for detecting the position degree of a gear sleeve hole comprises a working platform 1, a workpiece fixing device arranged on the working platform 1 and a plurality of detecting devices 2; the workpiece fixing device comprises a base disc 3 fixedly installed in the center of the working platform 1 and a spline positioning disc 4 fixedly connected with the base disc 3 in an inserting mode, a tooth sleeve workpiece 5 is fixedly sleeved on the outer side of the spline positioning disc 4 in a sleeved mode, and the bottom surface of the tooth sleeve workpiece 5 is in contact with the base disc 3; the detection device 2 comprises a positioning device 201 and a measuring rod 202 which are fixedly arranged on the working platform 1, the measuring rod 202 is arranged in the positioning device 201, and the central axis of the measuring rod 202 coincides with the central axis of the hole in the gear sleeve workpiece 5. The positioning device 201 is used for fixing and adjusting the position of the measuring rod 202, the base disc 3 is used for fixing the position of the spline fixed disc 4 and bearing the gear sleeve workpiece 5, and the spline fixed disc 4 is used for restraining the placement position of the gear sleeve workpiece 5 to realize the positioning of the gear sleeve workpiece 5.

In this embodiment, further, the positioning device 201 includes a linear guide rail 205, a guide rail slider 206, and a fixed base 207; the linear guide rail 205 is fixedly installed on the working platform 1, the guide rail sliding block 206 is fixedly installed at the bottom of the fixed base 207, the linear guide rail 205 is connected with the guide rail sliding block 206 in a sliding manner, and the measuring rod 202 is arranged in the fixed base 207 in a penetrating manner. The guide rail sliding block 206 can drive the fixed base 207 to slide linearly along the linear guide rail 205.

In this embodiment, the positioning device 201 further includes a sliding block 208, the fixing base 207 is notched and is slidably matched with the sliding block 208, and the measuring rod 202 penetrates through the sliding block 208.

In this embodiment, further, a first through hole 2081 is formed in the slider 208, a second through hole 2071 is formed in the fixed base 207, the first through hole 2081 and the second through hole 2071 have the same hole diameter and the same rod diameter of the measuring rod 202, and the central axes of the first through hole 2081 and the second through hole 2071 of the slider 208 are overlapped after the slider 208 is matched with the fixed base 207. The measuring rod 202 penetrates through the first through hole 2081 and the second through hole 2071 and can move back and forth along the first through hole 2081 and the second through hole 2071. The slide block 208 is arranged to place the measuring rod 202 so that the measuring rod 202 can keep horizontal and straight running, and when the measuring rod 202 is moved, the slide block can only move along the first through hole 2081 and the second through hole 2071.

As shown in fig. 1, in the present embodiment, further, a large tooth 501 and an annular groove 502 are provided on the gear sleeve workpiece 5, and a through hole to be detected is located in the middle of the large tooth 501; a fixing key 401 and a positioning hole 402 are arranged on the spline positioning disk 4, a fixing groove 403 is formed between the two fixing keys 401, and the large teeth 501 are matched with the fixing groove 403; the fixed key 401 is meshed with the inner teeth of the gear sleeve workpiece 5, and the upper half part of the spline positioning plate 4 is a semicircular disc; the plate spline positioning disc 4 is used for positioning, and the diameter line of a semicircular disc of the plate spline positioning disc is superposed with the central axis of one of the measuring rods 202; the base disc 3 comprises a bottom disc 301 and an upper disc 302 which are coaxially and fixedly connected, the upper disc 302 is inserted into the positioning hole 402, and the diameter of the upper disc 302 is equal to the aperture of the positioning hole 402. The large teeth 501 are matched with the fixing grooves 403 for positioning so as to determine the placement position of the gear sleeve workpiece 5, the fixing keys 401 are used for fixing the positions of the gear sleeve workpiece 5 and the spline positioning disc 4, and the relative positions of the gear sleeve workpiece 5 and the spline positioning disc 4 are not changed after the gear sleeve workpiece is placed and clamped; the upper disc 302 is inserted with the spline positioning disc 4 and is used for determining the position of the spline positioning disc 4.

In this embodiment, further, the head of the sliding block 208 is in a wedge-shaped block structure, and the head of the sliding block 208 is inserted into the annular groove 502. The wedge-shaped block structure has a small head section, can be conveniently inserted into the annular groove 502 for positioning, and is easier to insert compared with a rectangular or cylindrical head.

In this embodiment, further, the fixing base 207 is a dovetail groove-shaped base, a triangular notch is formed in the fixing base 207, a triangular slider matched with the triangular notch is arranged at the tail of the slider 208, and a stop 2082 is further arranged at the top of the triangular slider. The triangular notches are matched with the triangular sliding blocks, so that the sliding blocks 208 can be conveniently inserted into the fixed base 207, meanwhile, the stop blocks 2082 are used for limiting the positions of the sliding blocks 208, and when the fixed base 207 and the sliding blocks 208 move leftwards and rightwards, the fixed base 207 and the sliding blocks 208 cannot be separated due to the limiting effect of the triangular notches and the triangular sliding blocks.

In this embodiment, further, the positioning device 201 further includes an adjusting device 203, the adjusting device 203 is fixedly installed on the working platform 1, and the adjusting device 203 is fixedly connected to the fixing base 207 through an adjusting plate 204. When the adjusting device 203 is adjusted backwards, the adjusting plate 204 drives the fixed base 207 to move backwards, and then the guide rail sliding block 206 slides backwards along the linear guide rail 205; when the adjusting device 203 is adjusted forward, the fixed base 207 is driven by the adjusting plate 204 to move forward, and the guide rail slider 206 slides forward along the linear guide rail 205.

As shown in fig. 5 and 9, in this embodiment, the adjusting device 203 further includes a supporting plate base 2031, a first supporting plate 2032 and a second supporting plate 2033 are fixedly disposed on the supporting plate base 2031, a track sleeve 2034 is fixedly disposed on the first supporting plate 2032, a guide rod 2035 is disposed in the track sleeve 2034, the guide rod 2035 penetrates through the first supporting plate 2032, the second supporting plate 2033 is rotatably connected to a rotating handle 2036 through a first pin 2038, the rotating handle 2036 is rotatably connected to one end of an intermediate movable plate 2037 through a second pin 2039, the other end of the intermediate movable plate 2037 is rotatably connected to one end of the guide rod 2035 through a third pin 2040, and the other end of the guide rod 2035 is fixedly connected to the adjusting plate 204. As can be seen from comparing fig. 5 and fig. 9, when the rotating handle 2036 rotates backward along the first pin 2038, the middle movable plate 2037 is driven to move backward, and at the same time, the guide rod 2035 is driven to move backward in the track sleeve 2034, the guide rod 2035 drives the adjusting plate 204 to move backward, and the adjusting plate 204 drives the guide rail slider 206 to slide backward along the linear guide rail 205 through the fixing base 207; when the rotating handle 2036 rotates forward along the first pin 2038, the intermediate movable plate 2037 is driven to move forward, and at the same time, the guide rod 2035 is driven to move forward in the track sleeve 2034, the guide rod 2035 drives the adjusting plate 204 to move forward, and the adjusting plate 204 drives the guide rail slider 206 to slide forward along the linear guide rail 205 through the fixing base 207. Therefore, the adjusting device can adjust the distance between the sliding block 208 and the gear sleeve workpiece 5, and is convenient for clamping and disassembling the workpiece.

In this embodiment, further, the number of the detection devices 2 is the same as the number of the through holes to be detected of the gear sleeve workpiece 5, the number of the through holes of the gear sleeve workpiece 5 is three, and the number of the detection devices 2 is three. After the detection devices 2 are installed, the central axis of the measuring rod 202 fixed on each detection device 2 is opposite to the central axis of the through hole on the gear sleeve workpiece 5 correspondingly measured.

In this embodiment, further, the angle between the central axes of two adjacent measuring rods 202 is the same as the angle of the central axes of two adjacent through holes of the gear sleeve workpiece 5.

The utility model discloses when using:

sleeving a spline positioning disc 4 on a bottom disc 3, sleeving an upper disc 302 in the positioning hole 402, enabling a diameter line of a semicircular disc on the upper part of the spline positioning disc 4 to coincide with a central axis of the measuring rod 202, namely determining the position of the spline positioning disc 4, sleeving a gear sleeve workpiece 5 outside the spline positioning disc 4, enabling a large gear 501 to be inserted into a fixing groove 403, and further fixing the gear sleeve workpiece 5 and the spline positioning disc 4; when the rotating handle 2036 rotates forwards along the first pin 2038, the middle movable plate 2037 is driven to move forwards, the guide rod 2035 is driven to move forwards in the track sleeve 2034 at the same time, the guide rod 2035 drives the adjusting plate 204 to move forwards, the adjusting plate 204 drives the guide rail sliding block 206 to slide forwards along the linear guide rail 205 through the fixed base 207 until the sliding block 208 is inserted into the annular groove 502, the measuring rod 202 moves forwards along the first through hole 2081 and the second through hole 2071, and if the measuring rod 202 can be inserted into the through hole of the gear sleeve workpiece 5, the position of the hole is accurate, and the workpiece is qualified; if the workpiece cannot be inserted into the through hole of the gear sleeve workpiece 5, the position of the through hole is inaccurate, and the workpiece is unqualified.

As shown in fig. 1 and 2, taking the example that the gear sleeve workpiece includes three through holes, when the device detects the same gear sleeve workpiece, the three through holes can be simultaneously detected, and the position of the gear sleeve workpiece does not need to be moved to detect the other two holes after one through hole is detected, so that the device is simple to operate and high in measurement speed compared with a three-coordinate detection tool; the measurement cost is reduced, and the measurement efficiency is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an examine utensil for detecting tooth cover hole site degree of putting which characterized in that: comprises a working platform (1), a workpiece fixing device arranged on the working platform (1) and a plurality of detection devices (2);

the workpiece fixing device comprises a base disc (3) fixedly arranged at the center of the working platform (1) and a spline positioning disc (4) fixedly inserted with the base disc (3), a gear sleeve workpiece (5) is fixedly sleeved on the outer side of the spline positioning disc (4), and the bottom surface of the gear sleeve workpiece (5) is in contact with the base disc (3);

the detection device (2) comprises a positioning device (201) and a measuring rod (202) which are fixedly installed on the working platform (1), the measuring rod (202) is arranged in the positioning device (201), and the central axis of the measuring rod (202) coincides with the central axis of the through hole in the gear sleeve workpiece (5).

2. The tool for detecting the position degree of the gear sleeve hole as claimed in claim 1, wherein: the positioning device (201) comprises a linear guide rail (205), a guide rail sliding block (206) and a fixed base (207); the linear guide rail (205) is fixedly arranged on the working platform (1), the guide rail sliding block (206) is fixedly arranged at the bottom of the fixed base (207), and the linear guide rail (205) is in sliding connection with the guide rail sliding block (206); the measuring rod (202) is arranged in the fixed base (207) in a penetrating mode.

3. The detection tool for detecting the position degree of the gear sleeve hole as claimed in claim 2, wherein: positioner (201) still includes slider (208), unable adjustment base (207) open have the notch and with slider (208) slide to match, it runs through to measure stick (202) slider (208), it has through-hole one (2081) to open on slider (208), it has through-hole two (2071) to open on unable adjustment base (207), the hole diameter of through-hole one (2081) and through-hole two (2071) is the same and with the stick diameter of measuring stick (202) is the same, slider (208) with its through-hole one (2081) and the coincidence of the hole axis of through-hole two (2071) after unable adjustment base (207) match.

4. The detection tool for detecting the position degree of the gear sleeve hole as claimed in claim 2 or 3, wherein: the gear sleeve workpiece (5) is provided with a large gear (501) and an annular groove (502), and a through hole to be detected is positioned in the middle of the large gear (501); a fixing key (401) and a positioning hole (402) are arranged on the spline positioning disc (4), a fixing groove (403) is formed between the two fixing keys (401), and the large tooth (501) is matched with the fixing groove (403); the fixed key (401) is meshed with the inner teeth of the gear sleeve workpiece (5), and the upper half part of the spline positioning disc (4) is a semicircular disc; the base disc (3) comprises a bottom disc (301) and an upper disc (302) which are coaxially and fixedly connected, the upper disc (302) is inserted into the positioning hole (402), and the diameter of the upper disc (302) is equal to the aperture of the positioning hole (402).

5. The tool for detecting the position degree of the gear sleeve hole as claimed in claim 4, wherein: the head of the sliding block (208) is in a wedge-shaped block structure, and the head of the sliding block (208) is inserted into the annular groove (502).

6. The detection tool for detecting the position degree of the gear sleeve hole as claimed in claim 2, wherein: the fixed base (207) is a dovetail groove type base, a triangular notch is formed in the fixed base (207), a triangular sliding block matched with the triangular notch is arranged at the tail of the sliding block (208), and a stop block (2082) is further arranged at the top of the triangular sliding block.

7. The detection tool for detecting the position degree of the gear sleeve hole as claimed in claim 2, wherein: the positioning device (201) further comprises an adjusting device (203), the adjusting device (203) is fixedly installed on the working platform (1), and the adjusting device (203) is fixedly connected with the fixing base (207) through an adjusting plate (204).

8. The tool for detecting the position degree of the gear sleeve hole as claimed in claim 7, wherein: the adjusting device (203) comprises a supporting plate base (2031), a first supporting plate (2032) and a second supporting plate (2033) are fixedly arranged on the supporting plate base (2031), a track sleeve (2034) is fixedly arranged on the first supporting plate (2032), a guide rod (2035) is arranged in the track sleeve (2034), the guide rod (2035) penetrates through the first supporting plate (2032), a rotating hand (2036) is rotatably connected to the second supporting plate (2033) through a pin shaft, the rotating hand (2036) is rotatably connected with one end of an intermediate movable plate (2037), the other end of the intermediate movable plate (2037) is rotatably connected with one end of the guide rod (2035), and the other end of the guide rod (2035) is fixedly connected with the adjusting plate (204).

9. The tool for detecting the position degree of the gear sleeve hole as claimed in claim 1, wherein: the number of the detection devices (2) is the same as that of the through holes to be detected of the gear sleeve workpiece (5), the number of the through holes of the gear sleeve workpiece (5) is three, and the number of the detection devices (2) is three.

10. The tool for detecting the position degree of the gear sleeve hole as claimed in claim 1, wherein: the angle between the central axes of two adjacent measuring rods (202) is the same as the angle of the central axes of two adjacent through holes of the gear sleeve workpiece (5).