CN105834128A - A potentiometer automatic detection equipment - Google Patents

Abstract

The invention provides automatic potentiometer detection equipment which comprises a workbench, an analysis control mechanism, a rotating mechanism, a sorting mechanism and a testing mechanism, wherein the analysis control mechanism, the sorting mechanism and the testing mechanism are arranged on the surface of the workbench; the analysis control mechanism comprises an analyzer and a human-computer exchange interface; the rotating mechanism comprises a telescopic sleeve, a rotating motor, an adjusting piece and a lifting cylinder; the sorting mechanism comprises a support frame, a base plate, a rotary cylinder and a clamping arm; the testing mechanism comprises a first detecting module and a second detecting module. The potentiometer detection device can automatically detect multiple performances such as conformity, resolution, sliding noise and the like of the potentiometer and classify good products and defective products, has the advantages of simple and quick detection process, less error and high automation degree, improves the production efficiency, lightens the labor intensity and reduces the labor cost. The two-hand switch can prevent the operation error of the operating personnel and avoid injury.

Description

A potentiometer automatic detection equipment

technical field

The invention relates to the technical field of potentiometer detection equipment, in particular to a potentiometer automatic detection equipment.

Background technique

A potentiometer is an adjustable electronic component used to adjust voltage (including DC voltage and signal voltage) and current. As shown in FIG. 1 , the potentiometer includes several pins 1 , a main body 2 and a rotating shaft 3 . The pins are connected to the circuit, and the rotating shaft is used to adjust the voltage or current.

After the potentiometer is produced, it must undergo performance testing, such as compliance, resolution, sliding noise, etc. The traditional detection method is manual detection, and its operation method is mainly to manually operate the detection needle to contact the pin, and rotate the shaft for measurement, and judge whether the potentiometer is qualified according to the data on the detector. It mainly has the following deficiencies:

First, multiple performances cannot be tested at the same time, and the detection efficiency is low; second, the detection needle and pins are prone to poor contact, which makes the detection results deviate; third, the labor cost is high, which is not conducive to production.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic detection device for potentiometers with accurate and fast detection and low detection cost according to the deficiencies of the above-mentioned prior art.

Technical scheme of the present invention is as follows:

An automatic detection device for potentiometers, comprising a workbench, an analysis control mechanism, a rotation mechanism, a sorting mechanism and a testing mechanism, the analysis control mechanism, the sorting mechanism and the testing mechanism are arranged on the workbench surface, and the rotation mechanism set within the workbench;

The analysis control mechanism includes an analyzer and a man-machine exchange interface, and the analyzer and the man-machine exchange interface are arranged on the workbench; the analysis control mechanism is electrically connected to the rotating mechanism, the sorting mechanism and the testing mechanism respectively. sexual connection;

The rotating mechanism includes an expansion sleeve, a rotating motor, an adjustment member and a lifting cylinder; the rotating motor is connected to the expansion installation through a coupling and drives the expansion sleeve to rotate; the lifting motor is connected to the The adjusting part is connected by transmission and drives the adjusting part to move up and down. The adjusting part is sleeved on the outer edge of the expansion sleeve, and the movement of the adjustment part controls the contraction or expansion of the expansion sleeve;

The sorting mechanism includes a support frame, a base plate, a rotating cylinder, and a clamping arm. The base is arranged on the support frame, and a chute is provided on the front of the base. On the front of the substrate, the rotary cylinder is arranged on the back of the substrate, and the rotary cylinder is connected to the upper end of the clamping arm and drives the clamping arm to move along the chute; the lower end of the clamping arm equipped with a clamping device;

The test mechanism includes a first detection module and a second detection module; the first detection module includes a first detection needle group and a push cylinder, the push cylinder is arranged on the table top of the workbench, and the push cylinder It is connected with the transmission of the first detection needle group and drives the movement of the first detection needle group; the second detection module includes a second detection needle group, and the second detection needle group is arranged at the lower end of the clamping arm , the clamping arm drives the first detection needle to move.

Further, the diameter of the expansion sleeve gradually decreases from top to bottom, and several gaps are provided on the upper side of the expansion sleeve; the upward movement of the adjustment member drives the upper part of the expansion sleeve to shrink, and the adjustment member The downward movement drives the expansion of the upper part of the expansion sleeve.

Further, blocks are provided on both sides of the chute, and telescopic buffers that cooperate with the blocks are provided on both sides of the upper end of the clamping arm.

Further, a position sensor is arranged on the block.

Further, the clamping device includes a connecting plate, a pneumatic clamp and a clamping cylinder, the connecting plate is connected to the lower end of the clamping arm, the clamping cylinder is installed on the connecting plate, and the clamping cylinder is connected to the clamping arm. The pneumatic clamp is connected by transmission and drives the pneumatic clamp to close or open.

Further, the second detection needle group is vertically arranged on the side of the clamping cylinder.

Further, the pushing cylinder is provided with a sliding table, the sliding table is connected to the transmission shaft of the pushing cylinder, and the second detection needle group is arranged on the upper end surface of the sliding table.

Further, a separation sleeve, a good product collection box and a defective product collection box are provided in the workbench, the separation sleeve is provided with a good product channel and a defective product channel, the good product collection box is arranged at the lower end of the good product channel, the The defective product collection box is arranged at the lower end of the defective product channel.

Further, the table top of the workbench is provided with a two-hand switch.

Compared with the prior art, the present invention has the following beneficial effects: it can automatically detect multiple performances of the potentiometer, such as compliance, resolution, and sliding noise, and classify good and bad products. The detection process is simple and fast, and the error is small. The high degree of automation not only improves production efficiency, but also reduces labor intensity and labor costs. The two-hand switch can prevent operators from making mistakes and avoiding injuries.

Description of drawings

Figure 1 is a perspective view of a potentiometer.

Fig. 2 is a perspective view of an embodiment of the present invention.

Fig. 3 is a perspective view of the embodiment of the present invention without the workbench and the analysis control mechanism.

Fig. 4 is a perspective view of the rotating mechanism of the embodiment of the present invention.

Fig. 5 is a perspective view of the sorting mechanism and the second detection module according to the embodiment of the present invention.

Fig. 6 is a perspective view of a second detection module according to an embodiment of the present invention.

reference sign

1. Main body, 2. Pins, 3. Shaft;

10. Working table, 11. Separation sleeve, 12. Good product collection box, 13. Defective product collection box, 14. Two-hand switch;

20. Analysis control mechanism, 21. Analyzer, 22. Human-machine exchange interface;

30. Rotary mechanism, 31. Expansion sleeve, 32. Rotary motor, 33. Regulator, 34. Lifting cylinder;

40. Sorting mechanism, 41. Support frame, 42. Base plate, 43. Clamping arm, 44. Connecting plate, 45. Pneumatic clamp, 46. Clamping cylinder;

51. The first detection needle group. 52. The push cylinder. 53. The second detection needle group.

detailed description

In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 is a perspective view of a potentiometer, and the present invention is used to detect the potentiometer shown in Fig. 1 .

As shown in Fig. 2 and Fig. 3, a kind of potentiometer automatic detection equipment provided by the present invention includes a workbench 10, an analysis control mechanism 20, two rotating mechanisms 30, a sorting mechanism 40 and two testing mechanisms. The control mechanism 20 , the sorting mechanism 40 and the testing mechanism are arranged on the table of the workbench 10 , and the rotation mechanism 30 is arranged in the workbench 10 .

The analysis control mechanism 20 includes an analyzer 21 and a man-machine exchange interface 22, and the analyzer 21 and the man-machine exchange interface 22 are arranged on the table top of the workbench 10; , the sorting mechanism 40 and the testing mechanism are electrically connected.

Among them, the man-machine exchange interface 22 is used to set the parameters of equipment operation, such as test voltage, test time, etc.; the analyzer 21 is used to receive and analyze the data obtained by the testing mechanism, and control the operation of the sorting mechanism 40 according to the data.

As shown in FIG. 4 , the rotating mechanism 30 includes an expansion sleeve 31 , a rotating motor 32 , an adjusting member 33 and a lifting cylinder 34 , wherein the direction of the arrow is the moving direction of the corresponding components. The rotating motor 32 is connected to the expansion and contraction installation through a coupling and drives the expansion and contraction sleeve 31 to rotate; the lifting motor is in transmission connection with the adjustment member 33 and drives the adjustment member 33 to move up and down. The adjustment member 33 is sheathed on the outer edge of the expansion sleeve 31 , and the movement of the adjustment member 33 controls the contraction or expansion of the expansion sleeve 31 .

The diameter of the expansion sleeve 31 gradually decreases from top to bottom, and several gaps are provided on the upper side of the expansion sleeve 31; the upward movement of the adjustment member 33 drives the upper part of the expansion sleeve 31 to shrink, and the adjustment The downward movement of the member 33 drives the expansion of the upper part of the expansion sleeve 31 .

The upper end of the expansion sleeve 31 is also provided with a mounting block (shown in the figure), and the mounting block is provided with a positioning hole matching the main body 1 of the potentiometer.

Among them, the rotating shaft 3 of the potentiometer is inserted in the expansion sleeve 31, the main body 1 is installed in the positioning hole, the adjustment member 33 moves upward to force the upper part of the expansion sleeve 31 to contract and clamp the rotating shaft 3, and the rotating motor 32 passes through the coupling The expansion sleeve 31 is driven to rotate, and the rotating shaft 3 is thus driven to rotate.

As shown in Figure 5, the sorting mechanism 40 includes a support frame 41, a base plate 42, a rotating cylinder (shown in the figure) and a clamping arm 43, the base is arranged on the support frame 41, the The front of the base is provided with a chute, the upper end of the rotating clamping arm 43 is installed on the front of the base plate 42, the rotating cylinder is arranged on the back of the base plate 42, and the rotating cylinder is connected to the upper end of the clamping arm 43. The transmission is connected and drives the clamping arm 43 to move along the chute. The lower end of the clamping arm 43 is provided with two clamping devices.

Blocks are provided on both sides of the chute, and telescopic buffers that cooperate with the blocks are provided on both sides of the upper end of the clamping arm 43 . The block is provided with a position sensor.

Wherein, the cooperation of the clamping block and the telescopic buffer can prevent the clamping arm 43 from being damaged due to collision during use, thereby improving the service life of the clamping arm 43; the position sensor can send a signal to the analyzer 21, and the analyzer 21 according to the signal The control command is issued to the clamping mechanism, which improves the accuracy of the equipment.

The clamping device includes a connecting plate 44, a pneumatic clamp 45 and a clamping cylinder 46, the connecting plate 44 is connected to the lower end of the clamping arm 43, the clamping cylinder 46 is installed on the connecting plate 44, the The clamping cylinder 46 is in transmission connection with the pneumatic clamp 45 and drives the pneumatic clamp 45 to close or open.

Wherein, the clamping device moves along the chute driven by the clamping arm 43 , and the pneumatic clamp 45 clamps or releases the main body 1 of the potentiometer under the action of the clamping cylinder 46 .

As shown in FIG. 5 and FIG. 6 , the testing mechanism includes a first detection module and a second detection module, wherein the direction of the arrow is the movement direction of the corresponding component. The first detection module includes a first detection needle group 51 and a push cylinder 52, the push cylinder 52 is arranged on the table top of the workbench 10, the push cylinder 52 is transmission connected with the first detection needle group 51 and drive the first detection needle group 51 to move; the second detection module includes a second detection needle group 53, the second detection needle group 53 is arranged at the lower end of the clamping arm 43, and the clamping arm 43 driving the first detection needle to move.

The second detection pin group 53 is vertically arranged on the side of the clamping cylinder 46 .

The pushing cylinder 52 is provided with a sliding table, and the sliding table is connected to the transmission shaft of the pushing cylinder 52 , and the second detection needle group 53 is arranged on the upper end surface of the sliding table.

Among them, the first detection needle group 51 is in contact with the pin 2 of the potentiometer installed in the expansion sleeve 31 under the push of the push cylinder 52; the second detection needle group 53 is driven by the clamping arm 43 and installed in the The pin 2 of the potentiometer in the shrink sleeve 31 is in contact; the testing mechanism tests the potentiometer and feeds back the signal to the analyzer 21 .

As shown in Figure 3, a separation sleeve 11, a good product collection box 12 and a defective product collection box 13 are arranged in the workbench 10, the separation sleeve 11 is provided with a good product passage and a defective product passage, and the good product collection box 12 is provided with At the lower end of the good product passage, the defective product collection box 13 is arranged at the lower end of the defective product passage.

The table top of the workbench 10 is provided with a two-hand switch 14 .

Among them, the sorting device puts the unqualified potentiometers into the defective product channel, and puts the qualified potentiometers into the good product channel. When operating the equipment, the operator must use both hands to press the two-hand switch 14 to start the equipment, which can avoid operating personnel's misoperation, prevent work-related injuries, and improve safety.

When the present invention is used: 1. The operator sets the corresponding parameters on the man-machine exchange interface 22, inserts the rotating shaft 3 of the potentiometer into the expansion sleeve 31, presses the two-hand switch 14, and the equipment starts to run, and the lifting motor drives the adjusting part 33 The rise forces the expansion sleeve 31 to shrink and clamp the shaft 3; 2. The clamping arm 43 drives the first detection needle group 51 to contact the pin 2 of the potentiometer, and pushes the cylinder 52 to drive the second detection needle group 53 to contact the lead pin of the potentiometer. The pin 2 contacts, the clamping arm 43 closes and clamps both sides of the potentiometer main body 1; 3. The testing mechanism applies a voltage to the potentiometer, the rotating motor 32 drives the expansion sleeve 31 to rotate and drives the rotating shaft 3 to rotate, and the analyzer 21 records the testing mechanism Feedback signals about the performance of the potentiometer, and make a judgment on whether it is a qualified product; 4. The lifting motor drives the adjustment part 33 to descend to force the expansion sleeve 31 to expand and release the shaft 3, and the clamping arm 43 drives the potentiometer to break away from the expansion Shrink the sleeve 31; when the potentiometer runs to the top of the defective product channel, the analyzer 21 controls the clamping device to release the unqualified potentiometer, and puts the potentiometer in the defective product channel; when the potentiometer runs to the top of the good product channel, The analyzer 21 controls the clamping device to release the qualified potentiometer, puts the potentiometer in the good product channel, and the detection is completed. Such a cycle of work, again and again.

The invention can automatically detect multiple performances of the potentiometer, such as compliance, resolution and sliding noise, and classify good products and defective products. The detection process is simple and fast, with few errors and high degree of automation. Reduce labor intensity and reduce labor cost. The two-hand switch 14 can prevent operating personnel from misoperation and avoid injury.

The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (9)

1. an Automatic detection equipment for potentiometer, it is characterised in that: include workbench, analysis and Control mechanism, rotating mechanism, sorting Mechanism and mechanism for testing, described analysis and Control mechanism, mechanism for sorting and mechanism for testing are arranged at described table surface, institute State rotating mechanism to arrange and in described workbench；

Described analysis and Control mechanism includes that analyser and alternating interface between man and computer, described analyser and alternating interface between man and computer are arranged at institute State table surface；Described analysis and Control mechanism is electrically connected with described rotating mechanism, mechanism for sorting and mechanism for testing respectively；

Described rotating mechanism includes scalable set, electric rotating machine, regulating part and lift cylinder；Described electric rotating machine passes through shaft coupling It is in transmission connection with described scalable installation and drives described scalable set to rotate；Described lifting motor and described regulating part are in transmission connection also Driving described regulating part to move up and down, described regulating part is sheathed on described scalable set outer rim, the motor control institute of described regulating part State contraction or the expansion of scalable set；

Described mechanism for sorting includes that bracing frame, substrate, rotary cylinder and clamping limb, described pedestal are arranged at support frame as described above On, described pedestal front is provided with chute, and described rotation described clamping limb upper end is installed on described substrate front side, described rotary pneumatic Cylinder is arranged and described substrate back, and described rotary cylinder and described clamping limb upper end are in transmission connection and drive described clamping limb along institute State runner movement；Described clamping limb lower end is provided with clamping device；

Described mechanism for testing includes the first detection module and the second detection module；Described first detection module includes the first detection pin Group and promotion cylinder, described promotion cylinder is arranged and described table surface, described promotion cylinder and described first detection pin group It is in transmission connection and drives described first detection pin group motion；Described second detection module includes the second detection pin group, described second Detection pin group is arranged at described clamping limb lower end, and described clamping limb drives described first detection needle movement.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: the diameter of described scalable set from Top to bottm tapering into, the upper side of described scalable set is provided with some gaps；Described regulating part moves upward described in drive Scalable set top is shunk, and described regulating part moves downward the expansion of drive described scalable set top.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: described chute both sides are provided with Fixture block, both sides, described clamping limb upper end are provided with the flexible buffer coordinated with described fixture block.

A kind of Automatic detection equipment for potentiometer the most according to claim 3, it is characterised in that: it is provided with position on described fixture block Put induction apparatus.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: described clamping device includes even Fishplate bar, pneumatic clamps and gripper cylinder, described connecting plate is connected with described clamping limb lower end, and described gripper cylinder is installed on described Connecting plate, described gripper cylinder is in transmission connection with described pneumatic clamps and drives described pneumatic clamps close up or open.

A kind of Automatic detection equipment for potentiometer the most according to claim 5, it is characterised in that: described second detection pin group is hung down Directly it is arranged at described gripper cylinder side.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: described promotion cylinder is provided with Slide unit, described slide unit is connected with the power transmission shaft of described promotion cylinder, and described second detection pin group is arranged and described slide unit upper surface.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: it is provided with in described workbench Separating set, non-defective unit collecting box and defective products collecting box, described separation set is provided with non-defective unit passage and defective products passage, described good Product collecting box is arranged at described non-defective unit passage lower end, and described defective products collecting box is arranged at described defective products passage lower end.

A kind of Automatic detection equipment for potentiometer the most according to claim 1, it is characterised in that: described table surface is arranged Both hands are had to switch.