CN212645567U

CN212645567U - Screw testing device

Info

Publication number: CN212645567U
Application number: CN202021801177.9U
Authority: CN
Inventors: 董春华; 韩胜忠
Original assignee: Suzhou Jinyuan Fastener Co ltd
Current assignee: Suzhou Jinyuan Fastener Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-02
Anticipated expiration: 2030-08-25

Abstract

The application relates to the technical field of screw testing, in particular to a screw testing device which comprises a base, wherein one end of the base is provided with a motor, and the other end of the base is provided with a quick clamp; the motor is coaxially connected with a rotating clamping block, the quick clamp comprises a push rod for pushing a workpiece to be tested, and one end of the push rod, which is close to the motor, is connected with a rotating seat through a bearing; the rotation center line of the rotating seat and the rotation center line of the rotating clamping block are on the same straight line, and the workpiece to be measured is clamped between the rotating seat and the rotating clamping block. The motor drives the workpiece to be measured to rotate, so that the go gauge on the workpiece to be measured can be moved conveniently. The application has the effect of improving the testing efficiency.

Description

Screw testing device

Technical Field

The application relates to the technical field of screw testing, in particular to a screw testing device.

Background

The screw is used as a fastener, various performances of the screw need to be tested in the production process, and the dimensional tolerance of the screw is one of the contents to be tested.

At present, a thread ring gauge is mainly used for detecting standard external threads, and two thread ring gauges are a set, namely a go gauge and a no-go gauge. When the go gauge is used, after the go gauge is aligned with the measured thread, the go gauge is rotated by a thumb and a forefinger, the go gauge is screwed in a free state and passes through the whole length of the thread, and then the pass gauge is judged to be qualified, otherwise, the pass gauge is judged to be not qualified. When the no-go gauge is used, after the no-go gauge is aligned with the measured thread, the no-go gauge is rotated by a thumb and a forefinger, the length of the screwed-in thread of the no-go gauge is within 2 thread pitches, and the no-go gauge is qualified, otherwise, the no-go gauge is unqualified.

According to the related technology, when the external thread of the workpiece to be tested is long, the thumb and the index finger are used for rotating the universal gauge from one end of the workpiece to be tested to the other end, time and labor are wasted, and the testing efficiency is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve efficiency of software testing, the application provides a screw testing arrangement.

The application provides a screw testing arrangement adopts following technical scheme:

a screw testing device comprises a base, wherein one end of the base is provided with a motor, and the other end of the base is provided with a quick clamp; the motor is coaxially connected with a rotating clamping block, the rapid clamp comprises a push rod for pushing a workpiece to be tested, and one end of the push rod, which is close to the motor, is connected with a rotating seat through a bearing; the rotation center line of the rotating seat and the rotation center line of the rotating clamping block are on the same straight line, and a workpiece to be measured is clamped between the rotating seat and the rotating clamping block.

By adopting the technical scheme, the workpiece to be measured can be fixed between the motor and the push rod, and the push rod supports the workpiece to be measured on the rotary clamping block. The motor is started to rotate the workpiece to be measured, and the go gauge sleeved on the workpiece to be measured can rotate along with the workpiece to be measured. At the moment, the side wall of the through gauge is abutted to enable the through gauge to advance along the rotation direction of the thread of the workpiece to be measured, the through gauge is moved to one end close to the motor from one end, close to the push rod, of the workpiece to be measured, if the through gauge can run off all the external threads, the through gauge is qualified, and otherwise, the through gauge is unqualified. For the mode of manual rotation expert's rule on the work piece that is surveyed in the past, this scheme can make the work piece autogiration that is surveyed, only needs to support to lead to the rule can walk whole external screw threads fast, improves detection efficiency greatly.

Optionally, the push rod moves along the direction of the centre line of revolution of the rotating clamping block.

By adopting the technical scheme, when the push rod abuts against the workpiece to be measured, the axis line of the workpiece to be measured can be consistent with the rotation center, and the inclination of the workpiece to be measured is reduced.

Optionally, a groove is formed in the end portion, close to the workpiece to be measured, of the rotating clamping block, and the end portion, close to the rotating clamping block, of the workpiece to be measured is placed in the groove.

Through adopting above-mentioned technical scheme, will be surveyed the tip of work piece and fix in the recess, be convenient for fix the work piece that is surveyed.

Optionally, a dust cover is arranged on the motor.

Through adopting above-mentioned technical scheme, the dust cover can shelter from the dust, reduces the dust and influences the condition of motor operation.

Optionally, a switch for controlling the motor to rotate forward and backward is arranged on the dust cover.

By adopting the technical scheme, when the universal gauge moves to one end, close to the motor, of the workpiece to be measured, the switch needs to be started, the workpiece to be measured is enabled to rotate reversely, and the universal gauge is dismounted.

Optionally, the upper surface of base is equipped with a plurality of T type grooves, and is a plurality of T type groove sets up side by side.

Through adopting above-mentioned technical scheme, can press from both sides the motor with quick and fix on the base through T type groove, and T type groove can provide the location effect.

Optionally, a fixed seat is arranged on the base, and the fixed seat is connected with the base through a bolt; the quick clamp is fixed on the fixed seat.

Through adopting above-mentioned technical scheme, be used for the fixing base to grasp quick clamp to make the fixing base pass through the bolt fastening on the base, the mode convenient to detach fixing base that the bolt set up.

Optionally, an elastic sheet is arranged between the fixing seat and the base.

By adopting the technical scheme, when the axial lead of the push rod is lower than the rotation center of the motor rotor, the fixing seat can be heightened through the elastic sheet.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of motor and quick clamp, can fix the work piece of being surveyed between motor and quick clamp, the rotation of work piece just can be realized being surveyed to the starter motor. The through gauge can move on the workpiece to be detected only by abutting against the through gauge on the workpiece to be detected, and compared with a mode of manually rotating the workpiece to be detected, the scheme can greatly improve the detection efficiency;

2. the setting in improvement base upper surface T type groove, T type groove can fix the motor and press from both sides fast, and T type groove has the function of location, is convenient for aim at the motor and presss from both sides fast.

Drawings

FIG. 1 is a schematic overall view of a screw testing apparatus according to an embodiment of the present application;

FIG. 2 is an exploded view of the screw testing apparatus;

fig. 3 is an exploded view of the screw testing device in different directions.

Description of reference numerals: 1. a base; 2. a motor; 3. quickly clamping; 4. a fixed seat; 5. a workpiece to be tested; 6. go gauge; 11. a T-shaped groove; 21. a motor seat plate; 22. a dust cover; 23. a switch; 24. rotating the clamping block; 241. a groove; 31. a push rod; 32. a handle; 33. a rotating base; 331. a square groove; 34. rotating the top block; 341. fixing grooves; 41. a horizontal plate; 42. a support block; 43. a through hole; 44. countersunk and punched; 45. clamping and sewing; 46. an elastic sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a screw testing arrangement. Referring to fig. 1 and 2, the screw testing device includes a rectangular base 1, a motor 2 is disposed on an upper surface of the base 1 along one end of the base in the length direction, and a quick clamp 3 is disposed on the upper surface of the base 1 along the other end of the base in the length direction. During the measurement, will overlap the cover and be equipped with logical rule 6 by measuring workpiece 5 and place between motor 2 and quick clamp 3, use quick clamp 3 will be measured workpiece 5 and push up on motor 2, the rotatory drive of motor 2 is surveyed workpiece 5 and is rotated together. When the workpiece 5 to be measured rotates, the go gauge 6 sleeved on the workpiece 5 to be measured also rotates along with the workpiece 5 to be measured, at the moment, the go gauge 6 abuts against the side wall of the go gauge 6 and moves from one end of the workpiece 5 to be measured to the other end, if the go gauge 6 can be screwed to pass through all the thread lengths on the workpiece 5 to be measured, the qualification is judged, otherwise, the judgment is not made.

Referring to fig. 1, a plurality of T type grooves 11 have been seted up to base 1's upper surface, and a plurality of T type grooves 11 set up side by side, and a plurality of T type grooves 11 set up along base 1 width direction equidistant, and each T type groove 11 all extends to the other end from base 1 length direction's one end. The bottom of motor 2 is equipped with motor bedplate 21, and motor bedplate 21 passes through the bolt fastening on base 1, and the upper end of bolt supports motor bedplate 21, supports on the inner wall at T type groove 11 with bolted connection's nut. The motor 2 is further provided with a dust cover 22 for preventing dust, and a switch 23 for controlling the forward and reverse rotation of the motor 2 is fixed on the outer surface of the dust cover 22. When the drift gauge 6 moves from one end of the workpiece 5 to be measured, which is close to the quick clamp 3, to one end of the workpiece, which is close to the motor 2, the switch 23 is started, the workpiece 5 to be measured is reversed, and the drift gauge 6 is detached from the workpiece 5 to be measured.

Referring to fig. 1, the quick clamp 3 is a four-bar linkage mechanism, and includes a handle 32 and a push rod 31 that moves linearly, and the push rod 31 abuts against the end of the workpiece 5 to be measured. The upper surface of base 1 still is equipped with the fixing base 4 of fixed quick-witted clamp 3, and fixing base 4 passes through the bolt fastening at the upper surface of base 1. Specifically, the fixing seat 4 includes a horizontal plate 41 and a supporting block 42 fixed on the upper surface of the horizontal plate 41, and a through hole 43 is opened on the side wall of the supporting block 42. The axial lead of the through hole 43 is consistent with the axial lead of the rotor of the motor 2, and the quick clamp 3 is arranged in the through hole 43 in a penetrating way. The push rod 31 is located on a side of the supporting block 42 close to the motor 2, and the handle 32 is located on a side of the supporting block 42 opposite to the motor 2.

Referring to fig. 1, a clamping seam 45 is formed on the upper surface of the supporting block 42, the bottom end of the clamping seam 45 is connected to the through hole 43, a countersunk hole 44 is formed in the side wall of the supporting block 42 and above the through hole 43, and the countersunk hole 44 penetrates through the clamping seam 45. When the quick clamp 3 is arranged in the through hole 43 in a penetrating way, a bolt is arranged in the countersunk through hole 44 in a penetrating way, and the bolt and the nut are screwed, so that the clamping seam 45 is contracted, and the quick clamp 3 is clamped. An elastic sheet 46 is further arranged between the fixed seat 4 and the base 1, the elastic sheet 46 is a rubber sheet, and when the axial lead of the through hole 43 is lower than the axial lead of the rotor of the motor 2, the height of the axial lead of the through hole 43 can be increased by using the elastic sheet 46.

Referring to fig. 1 and 3, in order to support the workpiece 5 to be measured, the motor 2 is coaxially connected with a rotary clamping block 24. The rotary clamping block 24 is cylindrical, a groove 241 is arranged at the end part of the rotary clamping block 24 close to the workpiece 5 to be measured, and one end part of the workpiece 5 to be measured is fixed in the groove 241. One end of the push rod 31 close to the motor 2 is provided with a groove for arranging a bearing, one end of the push rod 31 close to the motor 2 is also provided with a rotating seat 33, the rotating seat 33 is cylindrical, one end of the rotating seat 33 close to the push rod 31 is fixed in the bearing, and the rotating center line of the rotating seat 33 and the rotating center line of the rotating clamping block 24 are on the same straight line. The side wall middle part that roating seat 33 is close to motor 2 has seted up square groove 331, still is equipped with rotatory kicking block 34 between roating seat 33 and measured work piece 5, and rotatory kicking block 34 is square near the one end of roating seat 33, and rotatory kicking block 34 is close to the one end of roating seat 33 and establishes in square groove 331, is equipped with the fixed slot 341 of fixed measured work piece 5 tip near the terminal surface of measured work piece 5 at rotatory kicking block 34. When the workpiece 5 to be measured is fixed, one end of the workpiece 5 to be measured is fixed in the groove 241, the handle 32 is swung to move the push rod 31 along the direction of the rotation center line of the rotating clamp 24, and the other end of the workpiece 5 to be measured is fixed in the fixing groove 341 to abut the workpiece 5 to be measured against the rotating clamp 24.

The implementation principle of the embodiment is as follows: for a workpiece needing to detect the tolerance of the external thread, one end of the workpiece 5 to be detected is arranged in the groove 241 of the rotating clamping block 24, the other end of the workpiece 5 to be detected is aligned with the fixing groove 341 of the rotating top block 34, the handle 32 is swung, the push rod 31 moves towards the workpiece 5 to be detected, and the end part of the workpiece 5 to be detected extends into the fixing groove 341 of the rotating top block 34. And starting the motor 2 to rotate the workpiece 5 to be measured, abutting against the through gauge 6 on the workpiece 5 to be measured, and abutting the through gauge 6 from one end of the workpiece 5 to be measured to the other end of the workpiece 5 to be measured. If the go gauge 6 finishes the process of walking through all the external threads of the workpiece 5 to be detected, the workpiece is qualified, otherwise, the workpiece is not qualified. When the drift gauge 6 moves from one end of the workpiece 5 to be detected, which is close to the push rod 31, to one end of the motor 2, the switch 23 is turned on, the motor 2 rotates reversely, the drift gauge 6 moves from one end of the workpiece 5 to be detected, which is close to the motor 2, to one end of the push rod 31, the drift gauge 6 is detached, and the detection is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A screw testing arrangement which characterized in that: the device comprises a base (1), wherein one end of the base (1) is provided with a motor (2), and the other end of the base (1) is provided with a quick clamp (3); the motor (2) is coaxially connected with a rotary clamping block (24), the quick clamp (3) comprises a push rod (31) for pushing the workpiece (5) to be tested, and one end, close to the motor (2), of the push rod (31) is connected with a rotary seat (33) through a bearing; the rotation center line of the rotating seat (33) and the rotation center line of the rotating clamping block (24) are on the same straight line, and the workpiece (5) to be measured is clamped between the rotating seat (33) and the rotating clamping block (24).

2. The screw testing device of claim 1, wherein: the push rod (31) moves along the direction of the rotary central line of the rotary clamping block (24).

3. The screw testing device of claim 1, wherein: the end part of the rotating clamping block (24) close to the workpiece (5) to be measured is provided with a groove (241), and the end part of the workpiece (5) to be measured close to the rotating clamping block (24) is arranged in the groove (241).

4. The screw testing device of claim 1, wherein: and a dust cover (22) is arranged on the motor (2).

5. The screw testing device of claim 4, wherein: and a switch (23) for controlling the motor (2) to rotate forward and backward is arranged on the dust cover (22).

6. The screw testing device of claim 1, wherein: the upper surface of base (1) is equipped with a plurality of T type groove (11), and is a plurality of T type groove (11) set up side by side.

7. The screw testing device of claim 1, wherein: a fixed seat (4) is arranged on the base (1), and the fixed seat (4) is connected with the base (1) through a bolt; the quick clamp (3) is fixed on the fixed seat (4).

8. The screw testing device of claim 7, wherein: an elastic sheet (46) is arranged between the fixed seat (4) and the base (1).