阅读说明：本技术 一种贴片电阻电镀工艺中的取料装置 (Material taking device in chip resistor electroplating process ) 是由 孙永光 于 2019-11-29 设计创作，主要内容包括：本发明公布了一种贴片电阻电镀工艺中的取料装置,它包括滚筒、滚筒支架、取料机架,滚筒包括外筒、内筒,外筒架设于滚筒支架上,且两端设有外筒齿轮；外筒上设有盖板,内筒上设有料口,盖板通过快速锁止机构与料口配合；内筒壁上设有过液孔和朝向料口的出气孔；取料时,出气孔通过管路与压力气源导通；取料机架上设有第一电机,第一电机输出端设有第一齿轮；取料机架下方设有筛料板,底部设有取料导轨,筛料板上设有振动电机,取料导轨设有使取料机架移动的第一驱动机构；取料机架设有与盖板可拆卸连接的抓取机构。本发明的目的是通过该取料装置将滚筒翻转后进行吹气取料,取料快速、彻底,同时通过筛分机构将球分离,提高劳效。(The invention discloses a taking device in a chip resistor electroplating process, which comprises a roller, a roller bracket and a taking rack, wherein the roller comprises an outer cylinder and an inner cylinder, the outer cylinder is erected on the roller bracket, and outer cylinder gears are arranged at two ends of the outer cylinder; a cover plate is arranged on the outer barrel, a material port is arranged on the inner barrel, and the cover plate is matched with the material port through a quick locking mechanism; the inner cylinder wall is provided with a liquid passing hole and an air outlet hole facing the material port; when the material is taken, the air outlet is communicated with a pressure air source through a pipeline; a first motor is arranged on the material taking rack, and a first gear is arranged at the output end of the first motor; a material screening plate is arranged below the material taking rack, a material taking guide rail is arranged at the bottom of the material taking rack, a vibration motor is arranged on the material screening plate, and the material taking guide rail is provided with a first driving mechanism for moving the material taking rack; the material taking rack is provided with a grabbing mechanism detachably connected with the cover plate. The invention aims to perform air blowing and material taking after the roller is turned over by the material taking device, the material taking is rapid and thorough, and meanwhile, balls are separated by the screening mechanism, so that the labor efficiency is improved.)

1. The taking device in the chip resistor electroplating process is characterized by comprising a roller (1), a roller bracket (2) and a taking rack (3), wherein the roller (1) comprises an outer cylinder (11) and an inner cylinder (12), the outer cylinder (11) can be rotatably erected on the roller bracket (2) around a horizontal shaft, and outer cylinder gears (111) are coaxially arranged at two ends of the outer cylinder; a cover plate (112) is arranged on the wall of the outer cylinder (11), a material port (121) is arranged on the outer wall of the inner cylinder (12), and the cover plate (112) is matched with the material port (121) through a quick locking mechanism (4); the wall of the inner cylinder (12) is provided with a liquid passing hole (122) in a penetrating way, and the inner wall is provided with an air outlet hole (123) facing the material port (121); when the materials are taken, the air outlet (123) is communicated with a pressure air source through a pipeline;

a first motor (31) is arranged on the material taking rack (3), and a first gear (32) matched with the outer cylinder gear (111) is arranged at the output end of the first motor (31); a material screening plate (33) is arranged below the material taking rack (3), a material taking guide rail (34) is arranged at the bottom of the material taking rack, a vibration motor (35) is arranged on the material screening plate (33), and the material taking guide rail (34) is provided with a first driving mechanism (5) for moving the material taking rack (3); the material taking rack (3) is provided with a grabbing mechanism (6) detachably connected with the cover plate (112).

2. The material taking device in the chip resistor electroplating process according to claim 1, wherein the inner cylinder (12) is provided with inner cylinder rotating shafts (124) at both ends, and the outer cylinder (11) is provided with outer cylinder shaft sleeves (114) matched with the inner cylinder rotating shafts at both ends; a first air inlet hole (125) and a second air inlet hole (126) are formed in the outer circumference of the inner cylinder rotating shaft (124), the surfaces of the center of the material passing hole (121) and the axis of the inner cylinder (12) are taken as symmetrical surfaces, an air outlet hole (123) on one side of the symmetrical surfaces is communicated with the first air inlet hole (125) through an internal channel, and an air outlet hole (123) on the other side of the symmetrical surfaces is communicated with the second air inlet hole (126) through the internal channel; the first air inlet hole (125) and the second air inlet hole (126) are selectively communicated with a pressure air source through pipelines.

3. The material taking device in the chip resistor electroplating process according to claim 2, wherein an air inlet nozzle (113) selectively communicated with the first air inlet hole (125) and the second air inlet hole (126) is arranged on the outer circumference of the outer cylinder shaft sleeve (114), a first air cylinder (36) is arranged below the material taking rack (3), and an air pipe joint (37) matched with the air inlet nozzle (113) is arranged at the telescopic end of the first air cylinder (36).

4. The taking device in the chip resistor electroplating process according to claim 1, wherein a telescopic sleeve (38) is arranged at a feeding port of the screen plate (33).

5. The material taking device in the chip resistor electroplating process according to claim 1, wherein the quick locking mechanism (4) comprises a latch (41) and an outer cylinder insertion hole (42), the latch (41) is arranged along the axial direction of the outer cylinder (11) and movably arranged on the cover plate (112) through a clamping groove, and the end part of the latch is matched with the outer cylinder insertion hole (42) arranged at the end part of the outer cylinder (11).

6. The taking device in the chip resistor electroplating process according to claim 5, wherein the grabbing mechanism (6) comprises a first support (61), a grabbing motor (62) and a grabbing electromagnet (63), the first support (61) can move transversely, a grabbing rack (64) is arranged on the first support, the grabbing rack (64) is matched with a gear on an output shaft of the grabbing motor (62), a grabbing rod (65) is arranged on the output end of the grabbing electromagnet (63), and a grabbing hole (66) matched with the grabbing rod (65) is arranged on the latch (41).

7. The taking device in the chip resistor electroplating process according to claim 6, wherein an annular protrusion (67) is arranged at one end of the grabbing rod (65) far away from the grabbing electromagnet (63), and an annular groove (68) matched with the grabbing protrusion is arranged in the grabbing hole (66).

8. The taking device in the chip resistor electroplating process according to claim 1, wherein the taking device in the chip resistor electroplating process according to claim 1 is characterized in that the first driving mechanism (5) comprises a first lead screw (51), a first lead screw nut (52) and a first driving motor (53), the first lead screw (51) is in transmission connection with an output end of the first driving motor (53), and the first lead screw (51) is arranged along the extending direction of the taking guide rail (34) and is in transmission matching with the first lead screw nut (52) arranged at the bottom of the taking rack (3).

Technical Field

The invention belongs to the technical field of electronic processing, and particularly relates to a material taking device in a chip resistor electroplating process.

Background

A Chip Resistor (SMD Resistor), also known as a Chip Fixed Resistor, is one of the metal glass enamel resistors. The resistor is made by mixing metal powder and glass glaze powder and printing the mixture on a substrate by a screen printing method, has the advantages of moisture resistance, high temperature resistance and small temperature coefficient, can greatly save the space cost of a circuit, has finer design, and is widely applied to circuit boards of mainstream electronic products.

The chip resistor is generally composed of: the ceramic substrate, back electrode, surface electrode, resistance body, primary glass, secondary glass, end electrode, intermediate electrode, external electrode, its technological process of production roughly: put ceramic substrate → back conductor print dry → front conductor print dry → sinter → resistor layer print dry → sinter → primary protective layer print dry → sinter → laser trimming → secondary protective layer print dry → sinter → resistance code print dry → sinter → folding strip → vacuum sputtering → dry → folding strip → Ni, Sn plating → dry → magnetic screening → resistance test screening → braid etc.

In the existing electroplating treatment, a roller is generally used for electrolytic electroplating in an electroplating solution, electrons obtained by taking the roller end as an electrolytic cathode are reduced into nickel/tin at a cathode end, and Ni metal/Sn metal is used as an anode electron losing to be oxidized into Ni2+/Sn2+ at an electrolyzer end, so that nickel/tin ions in an electrolyte are supplemented; during the electrolysis process, in order to obtain better conductivity, Al2O3 balls and Steel balls are generally added into the roller before electroplating, and the stirring is more uniform.

However, after the electrolysis is completed, the resistor needs to be separated from the ball, most of the existing methods are manual operation, and the requirement of high-efficiency production of factories cannot be met, so that the problem needs to be solved urgently.

Disclosure of Invention

The invention aims to solve the problems, and provides a material taking device in a chip resistor electroplating process.

In order to realize the purpose, the invention adopts the technical scheme that: a material taking device in a chip resistor electroplating process comprises an outer cylinder and an inner cylinder, wherein the outer cylinder can be rotatably erected on a cylinder bracket around a horizontal shaft, and outer cylinder gears are coaxially arranged at two ends of the outer cylinder; a cover plate is arranged on the wall of the outer cylinder, a material port is arranged on the outer wall of the inner cylinder, and the cover plate is matched with the material port through a quick locking mechanism; the inner cylinder wall is provided with a liquid passing hole in a penetrating way, and the inner wall is provided with an air outlet hole facing the material port; when the material is taken, the air outlet is communicated with a pressure air source through a pipeline; a first motor is arranged on the material taking rack, and a first gear matched with the outer barrel gear is arranged at the output end of the first motor; a material screening plate is arranged below the material taking rack, a material taking guide rail is arranged at the bottom of the material taking rack, a vibration motor is arranged on the material screening plate, and the material taking guide rail is provided with a first driving mechanism for moving the material taking rack; the material taking rack is provided with a grabbing mechanism detachably connected with the cover plate.

Furthermore, both ends of the inner cylinder are provided with an inner cylinder rotating shaft, and both ends of the outer cylinder are provided with an outer cylinder shaft sleeve matched with the outer cylinder rotating shaft; a first air inlet hole and a second air inlet hole are formed in the outer circumference of the inner cylinder rotating shaft, the surfaces of the center of the material passing hole and the axis of the inner cylinder are taken as symmetrical surfaces, an air outlet hole on one side of the symmetrical surfaces is communicated with the first air inlet hole through an internal channel, and an air outlet hole on the other side of the symmetrical surfaces is communicated with the second air inlet hole through the internal channel; the first air inlet and the second air inlet are selectively communicated with a pressure air source through pipelines.

Furthermore, an air inlet nozzle which is selectively communicated with the first air inlet and the second air inlet is arranged on the outer circumference of the outer cylinder shaft sleeve, a first air cylinder is arranged below the material taking rack, and an air pipe connector matched with the air inlet nozzle is arranged at the telescopic end of the first air cylinder.

Furthermore, the feed inlet of sieve flitch is equipped with the telescope tube.

Furthermore, quick locking mechanism includes breech, urceolus jack, the breech sets up along urceolus axial direction, and sets up on the apron through the draw-in groove activity, and its tip cooperatees with the urceolus jack that sets up at the urceolus tip.

Furthermore, snatch the mechanism and include first support, snatch the motor, snatch the electro-magnet, but first support lateral shifting is equipped with on it and snatchs the rack, snatchs the rack and snatchs the gear cooperation on the motor output shaft, is equipped with on the snatchs the electro-magnet output end and snatchs the pole, be equipped with on the bolt and snatch pole matched with and snatch the hole.

Furthermore, one end of the grabbing rod, which is far away from the grabbing electromagnet, is provided with an annular bulge, and an annular groove matched with the grabbing hole is formed in the grabbing hole.

Furthermore, first actuating mechanism includes first lead screw, first screw-nut, first driving motor, first lead screw is connected with the transmission of first driving motor output, and first lead screw sets up along the extending direction who gets the material guide rail, and with set up in getting the first screw-nut cooperation transmission of material frame bottom.

The invention has the beneficial effects that: this extracting device gets the material through blowing behind with the cylinder upset, gets the material quick, thoroughly, separates the ball through screening mechanism simultaneously, replaces the manual work, improves production efficiency by a wide margin.

1. When pressure gas is fed into the first air inlet hole, the second air inlet hole is blocked, the air outlet hole on one side of the symmetrical surface blows air to the material outlet, the inner cylinder deflects by a small angle due to the action of the reaction force and is switched to be ventilated to the second air inlet hole, the first air inlet hole is blocked, the air outlet hole on the other side of the symmetrical surface blows air to the material outlet, the inner cylinder deflects by a small angle in the opposite direction due to the action of the reaction force, the inner cylinder and the inner cylinder are alternately carried out, the inner cylinder is shaken by alternate rotation while blowing air, a resistor or a ball attached to the inner wall of the inner cylinder can be quickly shaken off, and.

2. When the material is required to be taken, the roller rotates, the material port faces downwards, the first cylinder extends out, so that the opening of the air pipe connector is in contact with and communicated with the air inlet nozzle, then air is supplied to the inner cylinder to take the material, and after the material is taken out, the first cylinder retracts, and the material taking device is very convenient to use.

3. When the material screening plate extends to the lower part of the material opening, the elastic telescopic sleeve completely surrounds the material screening plate, so that scattering caused by taking secondary gas is prevented.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention.

Fig. 3 is a schematic top view of the assembly of the grasping mechanism of fig. 1 according to the present invention.

Fig. 4 is a schematic top view of the quick locking mechanism of fig. 1 according to the present invention.

FIG. 5 is a schematic view of the main section of the inner cylinder of FIG. 1 with the opening facing downward for taking material.

FIG. 6 is an enlarged view of a portion of the structure shown in FIG. 5B according to the present invention.

FIG. 7 is a schematic view of the fitting structure of the air pipe joint and the air inlet nozzle when the inner cylinder in FIG. 1 is opened downward for taking material.

FIG. 8 is an enlarged view of a portion of the structure of FIG. 7 at C according to the present invention.

The text labels in the figures are represented as: 1. a drum; 11. an outer cylinder; 111. an outer cylinder gear; 112. a cover plate; 113. an air inlet nozzle; 114. an outer cylinder shaft sleeve; 12. an inner barrel; 121. a material port; 122. a liquid passing hole; 123. an air outlet; 124. an inner cylinder rotating shaft; 125. a first air intake hole; 126. a second air intake hole; 2. a drum support; 3. a material taking rack; 31. a first motor; 32. a first gear; 33. a material sieving plate; 34. a material taking guide rail; 35. a vibration motor; 36. a first cylinder; 37. a gas pipe joint; 38. a telescopic sleeve; 4. a quick locking mechanism; 41. a latch; 42. an outer cylinder jack; 5. a first drive mechanism; 51. a first lead screw; 52. a first lead screw nut; 53. a first drive motor; 6. a grabbing mechanism; 61. a first bracket; 62. a grabbing motor; 63. grabbing an electromagnet; 64. grabbing a rack; 65. a grabbing rod; 66. grabbing holes; 67. an annular projection; 68. an annular groove.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 8, the specific structure of the present invention is: a material taking device in a chip resistor electroplating process comprises a material taking device, a machine body and a feeding device; the material taking device comprises a roller 1, a roller bracket 2 and a material taking rack 3, wherein the roller 1 comprises a cylindrical outer barrel 11 and an inner barrel 12 which are in clearance fit, the outer barrel 11 can be erected on the roller bracket 2 around a horizontal shaft in a rotating way, the roller bracket 2 can stretch the roller 1 into and take out of electrolyte, and outer barrel gears 111 are coaxially arranged at two ends of the outer barrel 11; a cover plate 112 is arranged on the wall of the outer cylinder 11, a material port 121 is arranged on the outer wall of the inner cylinder 12, and the cover plate 112 is matched with the material port 121 through a quick locking mechanism 4 to realize quick opening and locking; a liquid passing hole 122 penetrates through the circumferential wall of the inner cylinder 12, the liquid passing hole 122 is smaller than the size of the resistor and the ball and is used for passing electrolyte, and air outlet holes 123 facing the material port 121 are arranged on the inner wall of the inner cylinder 12 in a staggered mode and are used for blowing off materials adhered to the inner wall; when the material is taken, the air outlet 123 is communicated with a pressure air source through a pipeline; the material taking rack 3 is provided with a first motor 31, the output end of the first motor 31 is provided with a first gear 32 matched with the outer cylinder gear 111, the first motor 31 drives the first gear 32 to rotate, when the first motor is in contact transmission with the outer cylinder gear 111, the first gear is used for adjusting and enabling the material opening 121 to be in an upward state, preferably, the outer cylinder gear 111 is provided with an induction position, the material taking rack 3 is provided with an induction switch, when the outer cylinder gear 111 rotates and the induction position is in contact with the induction switch, the material opening 121 is located at the upward position, and the induction position is fed back to the controller to enable the first motor 31 to stop rotating; a material screening plate 33 is arranged below the material taking rack 3, a damping spring is arranged at the joint of the material screening plate 33 and the material taking rack 3, a material taking guide rail 34 is arranged at the bottom of the material taking rack 3, a vibration motor 35 is arranged on the material screening plate 33, and a first driving mechanism 5 for enabling the material taking rack 3 to move towards the roller 1 is arranged on the material taking guide rail 34; the material taking rack 3 is provided with a grabbing mechanism 6 detachably connected with the cover plate 112.

Preferably, both ends of the inner cylinder 12 are provided with inner cylinder rotating shafts 124, through holes for passing through electrode wires are further formed in the inner cylinder rotating shafts 124, and both ends of the outer cylinder 11 are provided with outer cylinder shaft sleeves 114 matched with the inner cylinder rotating shafts 124; a first air inlet hole 125 and a second air inlet hole 126 are arranged on the outer circumference of the inner cylinder rotating shaft 124, the surfaces of the center of the material passing hole 121 and the axis of the inner cylinder 12 are taken as symmetrical surfaces, an air outlet hole 123 on one side of the symmetrical surfaces is communicated with the first air inlet hole 125 through an internal channel (namely, a flow channel is communicated between the circumferential cylinder body and the side wall of the inner cylinder 12 and the inner cylinder rotating shaft 124), and an air outlet hole 123 on the other side of the symmetrical surfaces is communicated with the second air inlet hole 126 through the internal channel; the first air inlet 125 and the second air inlet 126 are selectively communicated with a pressure air source through pipelines. A corner limiting mechanism is arranged between the inner cylinder rotating shaft 124 and the outer cylinder shaft sleeve 114 to limit the deflection angle. When the first air inlet holes 125 are used for introducing pressure gas, the second air inlet holes 126 are not communicated, the air outlet holes 123 on one side of the symmetrical plane blow gas to the material port 121, the inner cylinder 12 deflects by a small angle due to the action of reaction force and is switched to the second air inlet holes 126 for ventilation, the first air inlet holes 125 are not communicated, the air outlet holes 123 on the other side of the symmetrical plane blow gas to the material port 121, the inner cylinder 12 deflects by a small angle in the opposite direction due to the action of reaction force and alternately performs the two operations, the inner cylinder 12 is shaken by alternate rotation while blowing gas, and then resistors or balls attached to the inner wall of the inner cylinder 12 can be quickly shaken off, and the material taking is very thorough.

Preferably, an air inlet nozzle 113 selectively communicated with the first air inlet 125 and the second air inlet 126 is arranged on the outer circumference of the outer cylinder sleeve 114, a first air cylinder 36 is arranged below the material taking rack 3, an air pipe joint 37 matched with the air inlet nozzle 113 is arranged at the telescopic end of the first air cylinder 36, and the air pipe joint 37 is connected with an air pump pipeline. When materials need to be taken, the roller 1 rotates, the material port 121 faces downwards, and the first cylinder 36 extends out, so that the opening of the air pipe joint 37 is in contact with and communicated with the air inlet nozzle 113, then the inner cylinder 12 is supplied with air and taken materials, after the materials are taken out, the first cylinder 36 retracts, and the use is very convenient.

Preferably, a telescopic sleeve 38 is arranged at the feed inlet of the sieving plate 33. When the sieve plate 33 extends below the material opening 121, the elastic telescopic sleeve 38 completely surrounds the sieve plate, so that scattering caused by taking secondary gas is prevented.

Preferably, the quick locking mechanism 4 includes a latch 41 and an outer cylinder insertion hole 42, the latch 41 is disposed along the axial direction of the outer cylinder 11 and movably disposed on the cover plate 112 through a slot, and an end of the latch is matched with the outer cylinder insertion hole 42 disposed at an end of the outer cylinder 11. The latch 41 moves along the latch groove and is inserted into the outer cylinder insertion hole 42 to lock the cover plate 112. The surface of the latch 41 matched with the outer cylinder insertion hole 42 is rough and plays a role of skid resistance.

Preferably, the grabbing mechanism 6 comprises a first support 61, a grabbing motor 62 and a grabbing electromagnet 63, the first support 61 can move transversely and is mounted on the material taking rack 3 through a sliding sleeve, a grabbing rack 64 is arranged on the first support, the grabbing rack 64 is matched with a gear on an output shaft of the grabbing motor 62, a grabbing rod 65 is arranged at the output end of the grabbing electromagnet 63, and a grabbing hole 66 matched with the grabbing rod 65 is arranged on the latch 41. When the cover plate 112 is opened, the grabbing electromagnet 63 can enable the grabbing rod 65 to rapidly extend into the grabbing hole 66, when the grabbing motor 62 drives the gear to rotate, the grabbing rack 64 can be enabled to transversely move, the latch 41 is pulled out of the outer cylinder insertion hole 42, the grabbing electromagnet 63 is recovered, the cover plate 112 moves upwards to be opened, and the actions are opposite when the cover plate is closed.

Preferably, an annular protrusion 67 is disposed at an end of the grabbing rod 65 away from the grabbing electromagnet 63, and an annular groove 68 is disposed in the grabbing hole 66 and is matched with the grabbing hole. The annular protrusion 67 can cooperate with the annular groove 68 to effectively prevent the grabbing rod 65 from sliding out of the grabbing hole 66.

Preferably, the first driving mechanism 5 includes a first lead screw 51, a first lead screw nut 52 and a first driving motor 53, the first lead screw 51 is connected with the output end of the first driving motor 53 in a transmission manner, and the first lead screw 51 is arranged along the extending direction of the material taking guide rail 34 and is in a transmission manner in cooperation with the first lead screw nut 52 arranged at the bottom of the material taking rack 3. The first driving motor 53 drives the first lead screw 51 to rotate, and the first lead screw nut 52 is matched with the first lead screw 51 to force the material taking rack 3 to move back and forth along the extending direction of the material taking guide rail 34.

When the material taking machine is used specifically, the material taking rack 3 is close to the roller 1, the first motor 31 adjusts the material opening 121 to face upwards, the grabbing mechanism 6 opens the cover plate 112 upwards, the first motor 31 adjusts the material opening 121 again to rotate downwards, the material falls onto the material sieving plate 33, the separation of the resistor and the ball is realized under the action of the vibration motor 35, meanwhile, the air outlet 123 blows off the material adhered to the inner wall, the separation is thorough, after the separation is completed, the first motor 31 adjusts the material opening 121 again to rotate upwards, the grabbing mechanism 6 closes the cover plate 112 downwards, and the material taking rack 3 is far away from the roller 1;

it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.