CN114918160A

CN114918160A - Full-automatic discharging equipment of capacitor

Info

Publication number: CN114918160A
Application number: CN202210558071.8A
Authority: CN
Inventors: 廖文昌; 唐元安; 苏得龙
Original assignee: Shenzhen Znengd Automation Equipment Co ltd
Current assignee: Shenzhen Znengd Automation Equipment Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-08-19

Abstract

The invention is suitable for the field of static aging equipment of capacitors, and provides full-automatic blanking equipment of a capacitor. The capacitor feeding mechanism is used for transporting the capacitor to the capacitor placing platform; the capacitance testing mechanism is used for detecting the performance of the capacitor and judging the quality of the capacitor; the capacitor blanking mechanism is used for blanking the capacitors in a classified mode. According to the full-automatic blanking equipment, the whole detection and blanking process does not need manual operation, so that the labor cost is saved, and the production efficiency is improved. Meanwhile, in the blanking process of the capacitor, the clamp heads are adopted to clamp, so that the capacitor is not easy to drop.

Description

Full-automatic discharging equipment of capacitor

Technical Field

The invention belongs to the field of static aging equipment of capacitors, and particularly relates to full-automatic blanking equipment of a capacitor.

Background

In the production process of the soldering lug capacitor, a plurality of complex manufacturing procedures are required, so that oxide films on the surfaces of internal electrode foils (particularly positive electrode foils) are damaged to different degrees, and therefore, the damaged electrode foil oxide films can be repaired by aging the capacitor, namely applying a rated aging voltage and aging for a certain time in a constant high-temperature environment.

Soldering lug condenser is owing to characteristics such as bulky, capacitanc, still mostly regard manual ageing as the owner at present, and electric capacity inserts the bent, the bent goes into oven, bent circular telegram, sets up electrical parameter, sets up ageing time, and these processes all need manual completion, and production efficiency is low, and ageing effect is poor, and the defective products that the human factor leads to are more, bring unnecessary loss. The other extreme failure mode is that burrs are generated when the electrode foil is subjected to edge cutting, electrolyte or electrolytic paper contains impurities, so that the burrs and the tips of the electrode foil discharge to generate an implosion phenomenon in the charging process of the capacitor, the explosion is generated due to the bad effect, and a shell is cracked to cause fire; if the internal explosion happens, the shell bulges or the appearance is not obviously changed, and the shell cannot be detected by a common detection means, so that the shell is taken as a qualified product and flows into a client to cause a great quality problem, and great loss is caused to a client.

The conventional aging equipment comprises dynamic aging equipment and static aging equipment, wherein a capacitor is inserted on a strip frame provided with a special clamp by a feeding mechanism, the whole strip frame is grabbed onto a conveying chain of a tunnel furnace by a manipulator through chain conveying, a conductive device is arranged at two ends of the strip frame and is connected with each clamp, the strip frame does intermittent motion in the tunnel furnace, and power is supplied by adopting a contact type electric brush, so that continuous power supply cannot be realized, and the defects that the electric brush is in friction contact in the moving process of the strip frame, ignition is easy to generate, and a conductive module is burnt out are brought; due to the friction contact, the contact part is easy to wear, and poor contact is caused; due to the characteristics of the structure of the soldering lug capacitor, the pins of the positive electrode and the negative electrode are short, the clamping position is limited, the speed cannot be too high in the reciprocating motion, and the soldering lug capacitor is easy to drop to cause mechanical failure.

The existing static aging equipment inserts a capacitor on a simple clamp, and although the capacitor can be inserted by directly pressing, the capacitor is not firmly clamped and is easy to drop. A plurality of clamps share the electric connection strip, and the phenomenon of poor contact occurs, and a plurality of circuits of the strip rack lead-out wires are complicated and inconvenient to arrange.

Disclosure of Invention

The invention aims to provide full-automatic blanking equipment of a capacitor, which is matched with the rear section of static aging equipment of the capacitor for use and can solve the problems of blanking and detection of the capacitor on a rack and screening and classification of aging effects after static aging of the capacitor in the prior art is finished.

The invention is realized in such a way that the full-automatic blanking equipment of the capacitor is used for detecting the aged capacitor and taking down the capacitor from a strip rack; the full-automatic blanking equipment comprises a feeding line, a capacitor feeding mechanism, a blanking line, a capacitor placing platform, a capacitor testing mechanism and a capacitor blanking mechanism;

the feeding line is used for feeding a strip rack loaded with a capacitor;

the capacitor feeding mechanism is used for clamping the capacitor on the strip frame and conveying the capacitor to the capacitor placing platform, and is provided with a chuck for clamping the capacitor;

the blanking line is used for blanking the vacant rack;

the capacitor placement platform is used for fixing a capacitor;

the capacitance testing mechanism is used for detecting the performance of the capacitor on the capacitance placing platform and judging the quality of the capacitor;

the capacitor blanking mechanism is used for clamping the detected capacitor and blanking the capacitor in a classified mode, and is provided with a chuck used for clamping the capacitor.

In one embodiment, the feeding line and the discharging line are both a chain transmission mechanism or a belt conveying mechanism.

In one embodiment, the blanking equipment further comprises a strip frame lifting mechanism, and the strip frame lifting mechanism drives a positioning block arranged on the linear guide rail to move together through a lifting cylinder so as to lift the strip frame to a certain height.

In an embodiment, the blanking device further comprises a strip frame testing mechanism, the strip frame testing mechanism comprises a fixed clamping groove for fixing the strip frame and a connector located at the tail end of the strip frame, the connector is installed on the linear guide rail and matched with the tail end of the strip frame, and the connector is electrically connected with the strip frame under the driving of the stepping motor and the lead screw transmission module.

In an embodiment, unloading equipment is still including being used for carrying the strip frame after ageing to the transportation manipulator that is close to electric capacity feed mechanism position, transport the horizontal lead screw module and the vertical lead screw module that the manipulator includes cross arrangement, horizontal lead screw module is fixed in the frame, parallel clamping jaw cylinder is installed to vertical lead screw module end, the end symmetry of piston rod of parallel clamping jaw cylinder is provided with a plurality of chucks, the draw-in groove that the strip frame of being convenient for snatched is seted up at the centre gripping position of chuck.

In an embodiment, a silicone sleeve for increasing the clamping force is arranged at a position where a chuck of the capacitor feeding mechanism is in contact with the capacitor.

In one embodiment, the capacitance placing platform is an indexing turntable, and the indexing turntable is driven by a divider or a servo motor to realize simple harmonic motion; the indexing turntable is uniformly provided with a plurality of clamping devices, the clamping devices are driven by a connecting rod mechanism to rotate so as to open two chucks symmetrically arranged on the linear guide rail, and the two chucks are automatically closed under the action of spring tension.

In one embodiment, the cylinder of the capacitance testing mechanism drives the link mechanism to drive the conductive contact mounted on the linear guide rail to act, so that the conductive contact is in contact with and conducted with the capacitor pin, and performance testing is performed.

In one embodiment, the capacitor blanking mechanism comprises a fixedly arranged cylinder, a vertically arranged vertical lead screw module and a horizontally arranged horizontal lead screw module, and the cylinder drives the vertical lead screw module arranged on a horizontal linear guide rail to move horizontally; be equipped with clamping jaw cylinder and revolving cylinder on the vertical pole module, install the chuck that is used for pressing from both sides the clamp and gets the condenser on the clamping jaw cylinder, revolving cylinder is used for turning to the condenser that presss from both sides and gets, makes the condenser pin upwards place, install the slip table cylinder on the horizontal lead screw module, the slip table cylinder drives clamping jaw cylinder fore-and-aft action, after the condenser was got to the chuck clamp, control system control the horizontal lead screw module removes corresponding position, carries out classification to the condenser after the test.

In an embodiment, the blanking device further comprises a sorting belt for collecting and sorting the tested capacitors, wherein the sorting belt comprises a plurality of conveying belts arranged in parallel and a single conveying belt.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides full-automatic blanking equipment for a capacitor, which is used for detecting the aged capacitor, taking the capacitor off a strip rack and sorting and putting the capacitor according to the quality of different grades. The whole process does not need manual operation, so that the labor cost is saved, and the production efficiency is improved. And moreover, a professional instrument is adopted to detect the capacitor, so that the operation is stable, and the reliability of a detection result is high.

Meanwhile, in the blanking process of the capacitor, the clamp is adopted to clamp, so that the capacitor is not easy to fall off.

Drawings

FIG. 1 is a schematic structural diagram of a bar rack provided by an embodiment of the invention;

fig. 2 is a schematic structural diagram of a full-automatic discharging device of a capacitor according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a feeding line in the blanking apparatus shown in FIG. 2;

FIG. 4 is a schematic structural view of a bar frame lifting mechanism in the blanking apparatus shown in FIG. 2;

FIG. 5 is a schematic structural diagram of a strip rack testing mechanism in the blanking apparatus shown in FIG. 2;

FIG. 6 is a schematic structural view of a transfer robot in the blanking apparatus shown in FIG. 2;

fig. 7 is a schematic structural view of a clamp opening mechanism in the blanking device shown in fig. 2;

FIG. 8 is a schematic structural diagram of a capacitor charging mechanism in the blanking apparatus shown in FIG. 2;

fig. 9 is a schematic structural view of a clamping device of an index dial in the blanking apparatus shown in fig. 2;

FIG. 10 is a schematic structural diagram of a capacitance testing mechanism in the blanking apparatus shown in FIG. 2;

fig. 11 is a schematic structural view of a capacitor blanking mechanism in the blanking apparatus shown in fig. 2;

fig. 12 is a schematic view of the sorting belt of the blanking apparatus shown in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected with each other or indirectly connected with each other through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a full-automatic blanking device of a capacitor, which is used for detecting the aged capacitor and taking down the capacitor from a bar rack 1 (shown in figure 1). Sixteen clamps 11 are uniformly arranged on the bar frame 1, each clamp 11 is provided with a lead which is led out and is respectively and independently connected with a terminal connector 12, wire harnesses are regularly arranged in a wire protecting cover 13 and a side cover 14, and a positioning pin 15 is respectively arranged in front of and behind an L-shaped base of the bar frame 1.

Referring to fig. 2, the full-automatic blanking apparatus includes a feeding line 31, an opening mechanism 32, a capacitor feeding mechanism 33, a blanking line 34, a capacitor placement platform (i.e., an indexing turntable 35), a capacitor testing mechanism 36, a capacitor blanking mechanism 37, a strip rack lifting mechanism 38, a strip rack testing mechanism 39, a transfer robot 3a for transporting the tested strip rack 1 to a position close to the capacitor feeding mechanism 33, and a sorting belt 3 b.

Referring to fig. 3, a loading line 31 is used for loading the bar frame 1 carrying the capacitor. In this embodiment, the feeding line 31 is composed of two parallel chains 311 with nylon end caps, and is driven by a speed reduction motor 312, and is provided with an in-place detection switch, and the feeding and discharging chains 311 have opposite running directions, so as to realize the feeding and discharging processes of the bar frame 1. Of course, in practical application, a mechanism capable of conveying materials, such as a belt conveying mechanism, can be replaced.

Referring to fig. 4, the rack lifting mechanism 38 drives the positioning block 383 mounted on the linear guide 382 to move together through the lifting cylinder 381, so that the rack 1 is lifted to a certain height.

Referring to fig. 5, the bar frame testing mechanism 39 includes a fixing slot 391 for fixing the bar frame 1 and a connector 392 at the end of the bar frame 1, the connector 392 is mounted on the linear guide rail 393 to match with the end of the bar frame 1, and the connector 392 is electrically connected with the bar frame 1 by the driving of the stepping motor 394 and the screw rod transmission module 395.

Referring to fig. 6, the transferring manipulator 3a includes a transverse screw rod module and a longitudinal screw rod module, the transverse screw rod module is fixed on the frame, the end of the longitudinal screw rod module is provided with a parallel clamping jaw cylinder 31a, the end of the piston rod of the parallel clamping jaw cylinder 31a is symmetrically provided with four clamping heads 32a, and the clamping position of the clamping head 32a is provided with a clamping groove for facilitating the grabbing of the rack 1.

Referring to fig. 7, the clamp opening mechanism 32 is used to open the clamp, and the front pushing cylinder 321 pushes the top rod 324 with the bearing 323 at the front end of the linear guide rail 322, so that the two sides of the clamp opening mechanism simultaneously operate to complete the clamp opening.

Referring to fig. 8, the capacitor loading mechanism 33 is used for clamping the capacitors on the rack 1 and conveying the capacitors to the index turntable 35. The capacitor feeding mechanism 33 is provided with a clamping head 330 for clamping the capacitor, the capacitor feeding mechanism 33 drives a clamping jaw air cylinder 335 to move along a specific sliding chute through a connecting rod mechanism 334 by a fixedly arranged air cylinder 331 and an air cylinder 333 which is arranged on a linear guide rail 332 and moves, and the movement between four different positions can be realized according to different strokes of the air cylinder 333. The chuck 336 of the capacitor feeding mechanism 33 is in four-point line contact with the capacitor, and a silica gel sleeve for increasing the clamping force is arranged at the contact position of the chuck 336 and the capacitor.

The blanking line 34 is used for blanking the empty bar rack 1.

The index dial 35 is used to fix the capacitor; the indexing turntable 35 is driven by a divider or a servo motor to realize simple harmonic motion; eight clamping devices are uniformly arranged on the indexing turntable 35, please refer to fig. 9, the clamping devices are driven by the connecting rod mechanism 351 to rotate and open two clamping heads 353 symmetrically arranged on the linear guide rail 352, and the two clamping heads 353 are automatically closed under the action of the pulling force of the spring 354.

Referring to fig. 10, the capacitance testing mechanism 36 is used to detect the performance of the capacitor on the index dial 35 and determine the quality of the capacitor. The cylinder 361 of the capacitance testing mechanism 36 drives the link mechanism 362 to drive the conductive contact 364 mounted on the linear guide rail 363 to act, so that the conductive contact 364 is in contact with and conducted with the capacitor pin to perform performance testing.

Referring to fig. 11, the capacitor discharging mechanism 37 is used for clamping the detected capacitor and taking the capacitor off the rack 1, and collecting the capacitor according to good or bad products. The capacitor blanking mechanism 37 is provided with a fixedly arranged cylinder 371, a vertically arranged vertical screw rod module 372 and a horizontally arranged horizontal screw rod module 373, and the cylinder 371 drives the vertical screw rod module 372 arranged on a horizontal linear guide rail 374 to move horizontally; be equipped with clamping jaw cylinder 375 and revolving cylinder 376 on the vertical lead screw module 372, install C font chuck 377 on the clamping jaw cylinder 375, the condenser is got through four-point line contact clamp to chuck 377, revolving cylinder 376 is used for turning to the condenser that presss from both sides and gets, make the condenser pin upwards place, install slip table cylinder 378 on the horizontal lead screw module 373, slip table cylinder 378 drives clamping jaw cylinder 375 fore-and-aft action, chuck 377 presss from both sides and gets behind the condenser, according to the test result of the process of the previous way, control system control horizontal lead screw module 373 moves corresponding position, carry out classification to the condenser after the test.

Referring to fig. 12, a sorting belt 3b is used for collecting and sorting the tested capacitors, and the sorting belt 3b includes seven conveyor belts 31b arranged in parallel and a single conveyor belt 32b arranged separately.

In conclusion, the full-automatic blanking equipment that this embodiment provided has realized the automation of strip frame material loading, condenser unloading, condenser detection and strip frame unloading. The whole process does not need manual operation, so that the labor cost is saved, and the production efficiency is improved. And moreover, a professional instrument is adopted to detect the capacitor, so that the operation is stable, and the reliability of a detection result is high.

Meanwhile, in the blanking process of the capacitor, the capacitor is clamped through the clamping head 336, and when the capacitor on the indexing turntable 35 is detected, the capacitor is clamped through the clamping head 353, so that the capacitor is not easy to fall off. The plurality of clamps 11 are respectively provided with independent electric connection strips, so that the phenomenon of poor contact is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The full-automatic blanking equipment of the capacitor is used for detecting the aged capacitor and taking down the capacitor from a strip rack; the full-automatic blanking device is characterized by comprising a feeding line, a capacitor feeding mechanism, a blanking line, a capacitor placing platform, a capacitor testing mechanism and a capacitor blanking mechanism;

the feeding line is used for feeding a bar rack loaded with capacitors;

the blanking line is used for blanking the vacant rack;

the capacitor placement platform is used for fixing a capacitor;

2. The full-automatic blanking device according to claim 1, wherein the feeding line and the blanking line are both chain conveying mechanisms or belt conveying mechanisms.

3. The full-automatic blanking device according to claim 1, further comprising a bar frame lifting mechanism, wherein the bar frame lifting mechanism drives a positioning block mounted on the linear guide rail to move together through a lifting cylinder, so that the bar frame is lifted to a certain height.

4. The full-automatic blanking device according to claim 1, wherein the blanking device further comprises a bar rack testing mechanism, the bar rack testing mechanism comprises a fixing clamping groove for fixing the bar rack and a connector located at the tail end of the bar rack, the connector is installed on the linear guide rail and matched with the tail end of the bar rack, and the connector is electrically connected with the bar rack under the driving of the stepping motor and the lead screw transmission module.

5. The full-automatic blanking device according to claim 1, wherein the blanking device further comprises a transferring manipulator for transferring the aged bar frame to a position close to the capacitor feeding mechanism, the transferring manipulator comprises a transverse screw rod module and a longitudinal screw rod module which are arranged in a crossed manner, the transverse screw rod module is fixed on the frame, a parallel clamping jaw cylinder is installed at the tail end of the longitudinal screw rod module, a plurality of clamping heads are symmetrically arranged at the tail end of a piston rod of the parallel clamping jaw cylinder, and a clamping groove convenient for the bar frame to grab is formed in a clamping position of each clamping head.

6. The full-automatic blanking device according to claim 1, wherein a silica gel sleeve for increasing clamping force is arranged at a position where a chuck of the capacitor feeding mechanism is contacted with the capacitor.

7. The full-automatic blanking device according to claim 1, wherein the capacitor placement platform is an indexing turntable, and the indexing turntable is driven by a divider or a servo motor to realize simple harmonic motion; the indexing turntable is uniformly provided with a plurality of clamping devices, the clamping devices are driven by a connecting rod mechanism to rotate so as to open two chucks symmetrically arranged on the linear guide rail, and the two chucks are automatically closed under the action of spring tension.

8. The full-automatic blanking device according to claim 1, wherein the cylinder of the capacitance testing mechanism drives the link mechanism to drive the conductive contact mounted on the linear guide rail to move, so as to realize the contact conduction between the conductive contact and the capacitor pin, thereby performing the performance test.

9. The full-automatic blanking device according to claim 1, wherein the capacitor blanking mechanism comprises a fixedly arranged air cylinder, a vertically arranged screw rod module and a horizontally arranged screw rod module, and the air cylinder drives the vertically arranged screw rod module which is arranged on a horizontal linear guide rail to move horizontally; be equipped with clamping jaw cylinder and revolving cylinder on the lead screw module of vertical setting, install the chuck that is used for pressing from both sides the clamp and gets the condenser on the clamping jaw cylinder, revolving cylinder is used for turning to the condenser that presss from both sides and gets, makes the condenser pin upwards place, install the slip table cylinder on the horizontal lead screw module, the slip table cylinder drives clamping jaw cylinder fore-and-aft movement, after the condenser was got to the chuck clamp, control system control the horizontal lead screw module removes corresponding position, carries out classification to the condenser after the test.

10. The full-automatic blanking device according to claim 1, wherein the blanking device further comprises a sorting belt for collecting and sorting the tested capacitors, and the sorting belt comprises a plurality of conveying belts arranged in parallel and a single conveying belt.