CN213841982U - Utensil is examined to short-term test step shaft shoulder length dimension - Google Patents
Utensil is examined to short-term test step shaft shoulder length dimension Download PDFInfo
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- CN213841982U CN213841982U CN202120165067.6U CN202120165067U CN213841982U CN 213841982 U CN213841982 U CN 213841982U CN 202120165067 U CN202120165067 U CN 202120165067U CN 213841982 U CN213841982 U CN 213841982U
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Abstract
The utility model provides an utensil is examined to short-term test step axle shoulder length dimension, including left calliper rule, cushion and right calliper rule, left side calliper rule and cushion one end are connected, right side calliper rule and the cushion other end are connected, be used for placing the axle shoulder of step axle between left side calliper rule and the right calliper rule, the cushion is located the axle shoulder below of step axle, all be equipped with first recess on left side calliper rule and the right calliper rule, first recess is used for placing the bearing section of step axle, the size of first recess and the bearing section size looks adaptation of step axle. By adopting the scheme, the shaft shoulder lengths of a large number of step shaft parts with the same specification can be rapidly detected, and whether the step shaft parts are qualified or not is judged; and the step shaft part can be combined with a go gauge and a no-go gauge to quickly judge whether the aperture size of the step shaft part is qualified.
Description
Technical Field
The utility model relates to a machine part measures technical field, concretely relates to utensil is examined to short-term test step shaft shoulder length dimension.
Background
In the process of producing the step shaft parts in batches in factories, the length precision of the step shaft parts needs to be ensured within a tolerance range, so that the length of each produced step shaft part needs to be measured, and in the process of measuring the shaft shoulder length of the step shaft, the commonly used detection methods in the prior art comprise three-coordinate detection, universal tool microscope and caliper detection.
The three-coordinate detection is to measure the length of the shoulder grid of the step shaft by a measuring head through detecting the step surface of the excircle of the worm. This mode detection efficiency is low, and the unilateral size of step face is too little, only 1.2mm, detects the easy error that produces, can't satisfy the mass production requirement.
The universal tool microscope measures the step surface of the excircle of the worm through the microscope lens, and measures the length of the step shaft shoulder lattice. The mode has low detection efficiency and can not meet the requirement of mass production.
The caliper gauge detection mode is that the step shaft shoulder grid length is detected through the jack catch with the cardboard, and this detection mode is simple, nevertheless because cardboard locating position is unstable, the result that detects also has the error, causes and detects the precision unstability.
Therefore, in the process of mass production of stepped shaft parts of the same specification in a factory, a device capable of quickly detecting the length of the shaft shoulder of the stepped shaft part and meeting the requirement of mass production is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide a short-term test step axle shoulder length size examines utensil, adopt this scheme, can detect the axle shoulder length of the step axle part of a large amount of the same specifications fast to judge from this whether qualified.
The utility model adopts the technical proposal that: the utility model provides a short-term test step shaft shoulder length dimension examines utensil, includes left calliper, cushion and right calliper, left side calliper and cushion one end are connected, right calliper and the cushion other end are connected, be used for placing the shaft shoulder of step shaft between left side calliper and the right calliper, the cushion is located the shaft shoulder below of step shaft, all be equipped with first recess on left side calliper and the right calliper, first recess is used for placing the bearing section of step shaft, the size of first recess and the bearing section size looks adaptation of step shaft.
When the scheme is operated specifically, the cushion blocks are placed between the chucks at the left end and the right end of the caliper gauge, namely the left caliper gauge and the right caliper gauge, and the left caliper gauge, the cushion blocks and the right caliper gauge are connected into a whole, and at the moment, the distance between the left caliper gauge and the right caliper gauge needs to be preferentially set to be the required length dimension of the shaft shoulder of the step shaft; the height of the cushion block is lower than that of the left caliper gauge and the right caliper gauge, the step shaft can be placed on the upper surfaces of the left caliper gauge and the right caliper gauge, first grooves are formed in the upper surfaces of the left caliper gauge and the right caliper gauge at the moment, the first grooves are arranged along the length direction of the step shaft, the size of the first grooves is matched with that of a bearing section of the step shaft, the bearing section of the step shaft can be placed into the first grooves at the moment, a shaft shoulder in the middle of the step shaft is located between the left caliper gauge and the right caliper gauge and above the cushion block, and the step shaft can be further supported by the cushion block in contact with the shaft shoulder of the step shaft; at the moment, for a large number of step shafts with the same specification produced in a factory, if the shaft shoulder of each step shaft can be placed between the left caliper gauge and the right caliper gauge, the step shafts are judged to be qualified, and if the shaft shoulder of each step shaft cannot be placed between the left caliper gauge and the right caliper gauge, the step shafts are judged to be unqualified.
Further optimize, it has the second recess to open on the cushion, the second recess is used for placing the shaft shoulder of step axle, the size of second recess and the shaft shoulder size looks adaptation of step axle.
When this scheme specifically operated, it has the second recess to open at the cushion upper surface, and the length direction setting of step axle is followed to the second recess, and the size of second recess and the shaft shoulder size looks adaptation of step axle, to detecting qualified step axle, the shaft shoulder of step axle can be put into the second recess this moment, further stabilizes the step axle, is convenient for carry on next step.
Further optimize, still include the slider, the slider is two, two the slider branch is located step axle both ends, slider and first recess sliding connection, the slider can slide along first recess length direction, the slider top is equipped with the arc gland, the size of slider and the tip size looks adaptation of step axle, the arc gland is used for pushing down the step axle.
When this scheme specifically functions, all be equipped with a slider on left callipers rule and right callipers rule, two sliders are located the both ends of step axle respectively, and two sliders all are located first recess, and with first recess sliding connection, first recess length direction slides can be followed to the slider, and still be equipped with the arc gland at the slider top, after putting into qualified step axle, the slider at step axle both ends is removed this moment, and make the slider remove towards step axle direction, when the slider removes step axle end face, because slider and step axle end face size adaptation, the arc gland just is located step axle tip top this moment, and push down the step axle.
Further optimize, still include leading to rule and no-go gage, lead to the slider swing joint of rule and step axle one end, the slider swing joint of the no-go gage and the step axle other end, lead to rule and no-go gage and all be used for detecting the aperture of step axle.
When this scheme specifically functions, still be equipped with logical rule and no-go gage on the slider, lead to rule and no-go gage and be located step axle both ends respectively, wherein lead to the slider swing joint of rule and step axle one end, the slider swing joint of the no-go gage and the step axle other end, after the step axle is pushed down to the arc gland, remove and lead to rule and no-go gage, if lead to rule can get into step axle one end, the no-go gage can not get into the step axle other end, then judge step axle internal diameter size is qualified, this scheme is when examining step axle shoulder size, can also use to lead to rule and no-go gage short-term test step axle's internal diameter size is qualified, satisfy step axle part mass production requirement.
Preferably, the slider is provided with a first threaded hole, the first threaded hole and the step shaft are positioned on the same central axis, the go gauge and the no-go gauge are both provided with external threads, the go gauge is in threaded connection with the slider at one end of the step shaft, and the no-go gauge is in threaded connection with the slider at the other end of the step shaft.
When this scheme specifically functions, it has first screw hole to open on two sliders, leads to rule and no-go gage middle part and opens there is the external screw thread, leads to rule and no-go gage this moment all with slider threaded connection, and the axis of first screw hole and the axis of step axle are in on same straight line, after step axle tip was pushed down to the arc gland, because lead to rule and no-go gage just corresponding with the shaft hole of step axle, direct rotation leads to rule and no-go gage this moment, makes its shaft hole that gets into the step axle, can judge fast.
Preferably, the bottom of the sliding block is provided with a plurality of dovetail blocks, the first groove is provided with a plurality of dovetail grooves, and the dovetail blocks can slide in the dovetail grooves.
When this scheme specifically operated, was equipped with a plurality of dovetail blocks bottom the slider, and had a plurality of sizes and dovetail block size assorted dovetail on first recess, the slider passes through dovetail block and first recess sliding connection this moment, and the steadiness force when can further improve the slider and slide.
Further optimize, for making swing joint between left callipers rule, cushion and the right callipers rule, conveniently tear open and get, set up to: the left caliper gauge is connected with one end of the cushion block through a screw, and the right caliper gauge is connected with the other end of the cushion block through a screw.
Further optimize, for the interval between left calliper rule of location and the right calliper rule to further stabilize left calliper rule, cushion and right calliper rule, set up to: the left caliper gauge, the cushion block and the right caliper gauge are all provided with a plurality of pin holes, and the positioning pins penetrate through the pin holes and are used for connecting the left caliper gauge, the cushion block and the right caliper gauge into a whole.
Further optimizing, for removing the arc section at the intersection of the shaft shoulder and the bearing section and enabling the arc section not to participate in the detection of the length of the shaft shoulder, setting as follows: the end parts, close to the cushion blocks, of the left caliper gauge and the right caliper gauge are provided with chamfer sections, and the size of each chamfer section is matched with the size of the inner chamfer of the shaft shoulder of the step shaft.
The utility model discloses following beneficial effect has:
the scheme provides a gauge for rapidly detecting the length and the size of the shaft shoulder of the step shaft, and by adopting the scheme, the length of the shaft shoulder of a large number of step shaft parts with the same specification can be rapidly detected, and whether the step shaft parts are qualified or not is judged; and the step shaft part can be combined with a go gauge and a no-go gauge to quickly judge whether the aperture size of the step shaft part is qualified.
Drawings
FIG. 1 is a top view of a gauge for rapidly detecting the length dimension of a shoulder of a step shaft provided by the present invention;
FIG. 2 is a front view of the gauge for rapidly detecting the length and the size of the step shaft shoulder provided by the present invention;
FIG. 3 is a side view of a left caliper gauge, which is a gauge for rapidly detecting the length of the shoulder of the step shaft provided by the present invention;
FIG. 4 is a front view of a slide block, which is a gauge for rapidly detecting the length of a step shaft shoulder provided by the present invention;
FIG. 5 is a side view of a slide block, which is a gauge for rapidly detecting the length of a shoulder of a step shaft provided by the present invention;
FIG. 6 is a partial cross-sectional view of a left caliper gauge, which is a gauge for rapidly detecting the length of a shoulder of a step shaft provided by the present invention;
FIG. 7 is a side view of a block, which is a gauge for rapidly detecting the length of a shoulder of a step shaft provided by the present invention;
fig. 8 is a partial cross-sectional view of the quick detection tool for measuring the length of the shoulder of the step shaft, i.e., the right caliper gauge.
The reference numbers in the figures are: 1-left caliper gauge, 2-cushion block, 3-right caliper gauge, 4-step shaft, 41-shaft shoulder, 42-bearing section, 5-screw, 6-positioning pin, 7-first groove, 8-second groove, 10-slide block, 101-first threaded hole, 102-arc gland, 103-dovetail block, 104-dovetail groove, 11-go gauge, 12-no-go gauge and 13-chamfer section.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example (b): as shown in fig. 1 to 8, the quick detection tool for the length dimension of the step shaft shoulder comprises a left caliper 1, a cushion block 2 and a right caliper 3, wherein the left caliper 1 is connected with one end of the cushion block 2, the right caliper 3 is connected with the other end of the cushion block 2, a shaft shoulder 41 used for placing the step shaft 4 is arranged between the left caliper 1 and the right caliper 3, the cushion block 2 is located below the shaft shoulder 41 of the step shaft 4, first grooves 7 are arranged on the left caliper 1 and the right caliper 3, the first grooves 7 are used for placing a bearing section 42 of the step shaft 4, and the size of the first grooves 7 is matched with the size of the bearing section 42 of the step shaft 4.
In the embodiment, the cushion block 2 is arranged between the chucks at the left end and the right end of the caliper gauge, namely the left caliper gauge 1 and the right caliper gauge 3, the left caliper gauge 1, the cushion block 2 and the right caliper gauge 3 are connected into a whole, and the distance between the left caliper gauge 1 and the right caliper gauge 3 is preferably set to be the required length of the shaft shoulder 41 of the step shaft 4; the height of the cushion block 2 is lower than that of the left caliper gauge 1 and the right caliper gauge 3, the step shaft 4 can be placed on the upper surfaces of the left caliper gauge 1 and the right caliper gauge 3, the first grooves 7 are formed in the upper surfaces of the left caliper gauge 1 and the right caliper gauge 3 at the moment, the first grooves 7 are arranged along the length direction of the step shaft 4, the size of the first grooves 7 is matched with that of the bearing sections 42 of the step shaft 4, the bearing sections 42 of the step shaft 4 can be placed in the first grooves 7 at the moment, the shaft shoulder 41 in the middle of the step shaft 4 is located between the left caliper gauge 1 and the right caliper gauge 3 and above the cushion block 2, and the step shaft 4 can be further supported by the cushion block 2 in contact with the shaft shoulder 41 of the step shaft 4; at the moment, for a large number of step shafts 4 with the same specification produced in a factory, if the shaft shoulder 41 of the step shaft 4 can be placed between the left caliper gauge 1 and the right caliper gauge 3, the step shafts are judged to be qualified, if the shaft shoulder 41 of the step shaft 4 cannot be placed between the left caliper gauge 1 and the right caliper gauge 3, the step shafts are judged to be unqualified, the scheme can be directly placed on a workbench, a large number of step shafts 4 with the same specification are detected, and the requirement of large-batch production of parts of the step shafts 4 is met.
In this embodiment, open at cushion 2 upper surface has second recess 8, and second recess 8 sets up along the length direction of step axle 4, and the size of second recess 8 and the 41 size looks adaptations of shoulder of step axle 4, to detecting qualified step axle 4, the shoulder 41 of step axle 4 can be put into second recess 8 this moment, further stabilizes step axle 4, is convenient for carry on next step.
In this embodiment, each of the left caliper gauge 1 and the right caliper gauge 3 is provided with one slider 10, the two sliders 10 are respectively located at two ends of the step shaft 4, the two sliders 10 are located in the first groove 7 and slidably connected with the first groove 7, the sliders 10 can slide along the length direction of the first groove 7, and the top of each slider 10 is further provided with an arc-shaped gland 102, when the qualified step shaft 4 is placed, the sliders 10 at two ends of the step shaft 4 are moved at the moment, and the sliders 10 are moved towards the direction of the step shaft 4, when the sliders 10 move to the end face of the step shaft 4, due to the fact that the sliders 10 are matched with the end face of the step shaft 4 in size, the arc-shaped gland 102 is just located above the end portion of the step shaft 4 at the moment, and presses the step shaft 4.
In this embodiment, a go gauge 11 and a no-go gauge 12 are further arranged on the slider 10, the go gauge 11 and the no-go gauge 12 are respectively located at two ends of the step shaft 4, wherein the go gauge 11 is movably connected with the slider 10 at one end of the step shaft 4, the no-go gauge 12 is movably connected with the slider 10 at the other end of the step shaft 4, when the arc-shaped gland 102 presses the step shaft 4, the go gauge 11 and the no-go gauge 12 are moved, if the go gauge 11 can enter one end of the step shaft 4, and the no-go gauge 12 cannot enter the other end of the step shaft 4, it is determined that the inner diameter size of the step shaft 4 is qualified, in this scheme, while the size of the shoulder 41 of the step shaft 4 is detected, the go gauge 11 and the no-go gauge 12 can be used for rapidly detecting whether the inner diameter size of the step shaft 4 is qualified, and the requirement for mass production of the step shaft 4 parts is met.
In this embodiment, open first screw hole 101 on two sliders 10, it has the external screw thread to lead to rule 11 and no-go 12 middle part, lead to rule 11 and no-go 12 all with slider 10 threaded connection this moment, and the axis of first screw hole 101 and the axis of step axle 4 are in same straight line, after 4 tip of step axle were pushed down to arc gland 102, because lead to rule 11 and no-go 12 and just corresponding with the shaft hole of step axle 4, direct rotation leads to rule 11 and no-go 12 this moment, make it get into the shaft hole of step axle 4, can judge fast.
In this embodiment, a plurality of dovetail blocks 103 are provided at the bottom of the slider 10, and a plurality of dovetail grooves 104 having a size matching the size of the dovetail blocks 103 are provided in the first groove 7, so that the slider 10 is slidably connected to the first groove 7 via the dovetail blocks 103, thereby further improving the stability of the slider 10 during sliding.
In this embodiment, for making swing joint between left callipers rule 1, cushion 2 and the right callipers rule 3, conveniently tear open and get, set up to: still include a plurality of screws 5, all open a plurality of second screw holes on left side calliper 1, cushion 2 and the right calliper 3, left side calliper 1 is through screw 5 and 2 one end threaded connection of cushion, right side calliper 3 is through screw 5 and 2 other end threaded connection of cushion.
In this embodiment, for the interval between left calliper rule 1 of location and the right calliper rule 3 to further firm left calliper rule 1, cushion 2 and right calliper rule 3 set up to: still include a plurality of locating pins 6, all opened a plurality of pinholes on left side calliper 1, cushion 2 and the right calliper 3, locating pin 6 passes the pinhole and is used for linking left calliper 1, cushion 2 and right calliper 3 as an organic whole.
In this embodiment, in order to remove the arc segment at the intersection of the shoulder 41 and the bearing segment 42 and prevent the arc segment from participating in the detection of the length of the shoulder 41, the following steps are performed: the end parts of the left caliper gauge 1 and the right caliper gauge 3 close to the cushion block 2 are respectively provided with a chamfer section 13, and the size of the chamfer section 13 is matched with the size of the chamfer at the inner side of the shaft shoulder 41 of the step shaft 4.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a short-term test step shaft shoulder length dimension examines utensil, its characterized in that, includes left calliper (1), cushion (2) and right calliper (3), left side calliper (1) and cushion (2) one end are connected, right calliper (3) and cushion (2) other end are connected, be used for placing shoulder (41) of step axle (4) between left side calliper (1) and the right calliper (3), cushion (2) are located shoulder (41) below of step axle (4), all be equipped with first recess (7) on left side calliper (1) and the right calliper (3), first recess (7) are used for placing bearing section (42) of step axle (4), the size of first recess (7) and bearing section (42) size looks adaptation of step axle (4).
2. The gauge for rapidly detecting the length dimension of the shoulder of the step shaft as claimed in claim 1, wherein a second groove (8) is formed in the pad (2), the second groove (8) is used for placing the shoulder (41) of the step shaft (4), and the size of the second groove (8) is matched with the size of the shoulder (41) of the step shaft (4).
3. The gauge for rapidly detecting the length of the shaft shoulder of the step shaft as claimed in claim 1, further comprising two sliding blocks (10), wherein the two sliding blocks (10) are respectively arranged at two ends of the step shaft (4), the sliding blocks (10) are slidably connected with the first groove (7), the sliding blocks (10) can slide along the length direction of the first groove (7), an arc-shaped gland (102) is arranged at the top of the sliding blocks (10), the size of the sliding blocks (10) is matched with the size of the end portion of the step shaft (4), and the arc-shaped gland (102) is used for pressing the step shaft (4).
4. The gauge for rapidly detecting the length dimension of the shaft shoulder of the step shaft as claimed in claim 3, further comprising a go gauge (11) and a no-go gauge (12), wherein the go gauge (11) is movably connected with a slide block (10) at one end of the step shaft (4), the no-go gauge (12) is movably connected with the slide block (10) at the other end of the step shaft (4), and both the go gauge (11) and the no-go gauge (12) are used for detecting the hole diameter of the step shaft (4).
5. The gauge for rapidly detecting the length dimension of the shaft shoulder of the step shaft as claimed in claim 4, wherein the slide block (10) is provided with a first threaded hole (101), the first threaded hole (101) and the step shaft (4) are located on the same central axis, the go gauge (11) and the no-go gauge (12) are both provided with external threads, the go gauge (11) is in threaded connection with the slide block (10) at one end of the step shaft (4), and the no-go gauge (12) is in threaded connection with the slide block (10) at the other end of the step shaft (4).
6. The tool for rapidly detecting the length dimension of the shaft shoulder of the step shaft as claimed in claim 3, wherein a plurality of dovetail blocks (103) are arranged at the bottom of the sliding block (10), a plurality of dovetail grooves (104) are arranged on the first groove (7), and the dovetail blocks (103) can slide in the dovetail grooves (104).
7. The gauge for rapidly detecting the length of the shaft shoulder of the step shaft as claimed in claim 1, further comprising a plurality of screws (5), wherein a plurality of second threaded holes are formed in the left caliper (1), the cushion block (2) and the right caliper (3), the left caliper (1) is in threaded connection with one end of the cushion block (2) through the screws (5), and the right caliper (3) is in threaded connection with the other end of the cushion block (2) through the screws (5).
8. The gauge for rapidly detecting the length of the shaft shoulder of the step shaft as claimed in claim 7, further comprising a plurality of positioning pins (6), wherein a plurality of pin holes are formed in the left caliper gauge (1), the cushion block (2) and the right caliper gauge (3), and the positioning pins (6) penetrate through the pin holes to integrally connect the left caliper gauge (1), the cushion block (2) and the right caliper gauge (3).
9. The gauge for rapidly detecting the length dimension of the shaft shoulder of the step shaft as claimed in claim 1, wherein the left caliper gauge (1) and the right caliper gauge (3) are respectively provided with a chamfer section (13) at the end part close to the cushion block (2), and the size of the chamfer section (13) is matched with the size of the inner chamfer part of the shaft shoulder (41) of the step shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165067.6U CN213841982U (en) | 2021-01-21 | 2021-01-21 | Utensil is examined to short-term test step shaft shoulder length dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165067.6U CN213841982U (en) | 2021-01-21 | 2021-01-21 | Utensil is examined to short-term test step shaft shoulder length dimension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213841982U true CN213841982U (en) | 2021-07-30 |
Family
ID=77002210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120165067.6U Active CN213841982U (en) | 2021-01-21 | 2021-01-21 | Utensil is examined to short-term test step shaft shoulder length dimension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213841982U (en) |
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2021
- 2021-01-21 CN CN202120165067.6U patent/CN213841982U/en active Active
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