阅读说明：本技术 一种热敏电阻芯片焊接设备 (Welding equipment for thermistor chip ) 是由 不公告发明人 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种热敏电阻芯片焊接设备,包括框体：输送下料装置,所述输送下料装置设置于所述框体上端面前侧位置；立柱,所述立柱固定连接于所述框体的上端面后侧位置；机架,所述机架固定连接于所述立柱的上侧位置；焊接升降机构,所述焊接升降机构设置于所述机架的内部前侧位置。该热敏电阻芯片焊接设备能便于自动对热敏电阻芯片进行输送和焊接,从而能够有效的提高热敏电阻芯片的焊接效率和质量,且能便于对焊接完成的热敏电阻芯片进行自动下料和收集,从而进一步提高热敏电阻芯片焊接的效率,并且能便于根据不同型号的热敏电阻和导线对焊接头进行切换,从而提高该热敏电阻芯片焊接设备的适用性。(The invention discloses a thermistor chip welding device, which comprises a frame body: the conveying and blanking device is arranged at the front position of the upper end face of the frame body; the upright post is fixedly connected to the rear side position of the upper end face of the frame body; the stand is fixedly connected to the upper side position of the upright post; and the welding lifting mechanism is arranged at the front side position in the rack. This thermistor chip welding equipment can be convenient for carry and weld the thermistor chip automatically to welding efficiency and quality that can effectual improvement thermistor chip, and can be convenient for carry out automatic unloading and collection to the thermistor chip that welding was accomplished, thereby further improve thermistor chip welded efficiency, and can be convenient for switch according to the thermistor and the wire butt joint of different models, thereby improve this thermistor chip welding equipment's suitability.)

1. The utility model provides a thermistor chip welding equipment, includes the framework, its characterized in that:

the conveying and blanking device is arranged at the front position of the upper end face of the frame body;

the upright post is fixedly connected to the rear side position of the upper end face of the frame body;

the stand is fixedly connected to the upper side position of the upright post;

the welding lifting mechanism is arranged at the front side position inside the rack;

the welding head switching mechanism is fixedly connected to the lower side of the welding lifting mechanism;

the transmission mechanism is arranged at the left position of the rack;

and the finished product collecting box is fixedly connected to the upper side position of the right end face of the frame body.

2. A thermistor chip bonding apparatus according to claim 1, characterized in that the feeding and blanking device comprises:

the supporting plates are fixedly connected to the left side and the right side of the upper end face of the frame body;

the roller is connected to the supporting plate through a bearing;

the conveying belt is connected to the roller;

the positioning clamp is connected to the conveying belt through a shaft;

and the blanking control frame is fixedly connected to the right side of the supporting plate on the right side of the frame body.

3. A thermistor chip bonding apparatus according to claim 1, characterized in that the bonding elevator mechanism comprises:

the driving turntable is connected to the inside of the rack through a shaft;

the connecting rod is connected to the side face of the driving turntable through a shaft;

the lifting column is movably connected to the lower side position of the driving turntable;

a return spring disposed on a side of the lifting column.

4. A thermistor chip bonding apparatus according to claim 1, characterized in that the bonding head switching mechanism comprises:

the fixed block is fixedly connected to the lower end face of the lifting column;

the limiting disc is movably connected inside the fixing block;

the limiting block is connected to the inner side face of the fixing block;

the compression spring is arranged on the upper end face of the limiting block;

the switching block is fixedly connected to the middle position of the front end face of the limiting disc through a shaft;

and the welding heads are circumferentially and equidistantly distributed on the side surface of the switching block.

5. A thermistor chip bonding apparatus according to claim 1, characterized in that the transmission mechanism comprises:

the driving motor is fixedly connected to the left end face of the rack, and a shaft of the driving motor is connected with a shaft of the driving turntable;

the shaft rod seat is fixedly connected to the upper end face of the frame body;

the transmission shaft is connected to the shaft rod seat through a bearing;

the transmission belt is connected between a shaft of the driving motor and the transmission shaft;

the shifting wheel is connected to the supporting plate on the left side of the frame body through a shaft;

the transmission bevel gear is connected between a shaft of the thumb wheel and the transmission shaft;

a sheave keyed to a shaft of the roller.

6. A thermistor chip bonding apparatus according to claim 2, characterized in that: the straight line equidistance is provided with convex recess on the conveyor belt, just locating clip one side sets up in convex recess.

7. A thermistor chip bonding apparatus according to claim 2, characterized in that: the connecting shaft of the positioning clamp is provided with a torsion spring, and a round through hole is formed in the middle of one side of the positioning clamp.

8. A thermistor chip bonding apparatus according to claim 4, characterized in that: the equidistance circumference is provided with convex recess on the spacing dish side, just the stopper downside sets up to convex structure.

9. A thermistor chip bonding apparatus according to claim 5, characterized in that: and a shifting rod is arranged on the end face of the rear side of the shifting wheel, and the shifting rod on the shifting wheel corresponds to the groove position on the grooved wheel.

Technical Field

The invention relates to the technical field of welding of thermistor chips, in particular to welding equipment for thermistor chips.

Background

The thermistor is a sensor resistor, the resistance value of which changes along with the change of temperature, and the thermistor is often used as an electronic circuit element for instrument circuit temperature compensation, thermocouple cold junction temperature compensation and the like, and some thermistors need to perform wire bonding operation on welding pins before use, so that thermistor chip welding equipment is needed, but the existing thermistor chip welding equipment has the following defects:

1. the existing welding equipment for the thermistor chip needs to align the thermistor with a lead end for welding manually by an operator, the welding mode needs to weld the thermistors one by one, the welding operation efficiency is low, and manual fixation is easy to generate shaking in the welding process, so that the welding quality is influenced;

2. the existing welding equipment for the thermistor chips is inconvenient for automatically blanking and collecting the welded thermistor chips, so that the welding efficiency of the thermistor chips is reduced;

3. the existing welding equipment for the thermistor chip is inconvenient to switch the welding joints according to different types of thermistors and wires, so that the applicability of the welding equipment for the thermistor chip is poor;

therefore, a thermistor chip bonding apparatus is required to solve the above problems.

Disclosure of Invention

The invention aims to provide thermistor chip welding equipment to solve the problems of low welding operation efficiency, poor welding quality and poor applicability of the conventional thermistor chip welding equipment in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a thermistor chip bonding apparatus includes a frame body:

the conveying and blanking device is arranged at the front position of the upper end face of the frame body;

the upright post is fixedly connected to the rear side position of the upper end face of the frame body;

the stand is fixedly connected to the upper side position of the upright post;

the welding lifting mechanism is arranged at the front side position inside the rack;

the welding head switching mechanism is fixedly connected to the lower side of the welding lifting mechanism;

the transmission mechanism is arranged at the left position of the rack;

and the finished product collecting box is fixedly connected to the upper side position of the right end face of the frame body.

By adopting the technical scheme, the conveying and blanking device can convey and blank the thermistor chips conveniently, the welding lifting mechanism can weld the thermistor chips conveniently, and the welding joint switching mechanism can be used for quickly switching the welding joints conveniently.

Preferably, the conveying and blanking device comprises:

the supporting plates are fixedly connected to the left side and the right side of the upper end face of the frame body;

the roller is connected to the supporting plate through a bearing;

the conveying belt is connected to the roller;

the positioning clamp is connected to the conveying belt through a shaft;

and the blanking control frame is fixedly connected to the right side of the supporting plate on the right side of the frame body.

By adopting the technical scheme, the thermistor chip can be fixed through the positioning clamp conveniently, the thermistor chip can be conveyed at a fixed distance through the conveying belt conveniently, and automatic blanking can be performed on the thermistor chip after welding through the blanking control frame conveniently.

Preferably, the welding lifting mechanism comprises:

the driving turntable is connected to the inside of the rack through a shaft;

the connecting rod is connected to the side face of the driving turntable through a shaft;

the lifting column is movably connected to the lower side position of the driving turntable;

a return spring disposed on a side of the lifting column.

By adopting the technical scheme, the lifting column can be driven to move up and down conveniently by driving the turntable to rotate, so that the lifting column drives the welding head to move up and down to automatically weld the thermistor chip.

Preferably, the welding head switching mechanism includes:

the fixed block is fixedly connected to the lower end face of the lifting column;

the limiting disc is movably connected inside the fixing block;

the limiting block is connected to the inner side face of the fixing block;

the compression spring is arranged on the upper end face of the limiting block;

the switching block is fixedly connected to the middle position of the front end face of the limiting disc through a shaft;

and the welding heads are circumferentially and equidistantly distributed on the side surface of the switching block.

By adopting the technical scheme, the positions of the switching block and the welding head can be conveniently limited by the matching of the limiting block and the limiting disc, and the welding head can be conveniently and quickly switched by rotating the switching block.

Preferably, the transmission mechanism comprises:

the driving motor is fixedly connected to the left end face of the rack, and a shaft of the driving motor is connected with a shaft of the driving turntable;

the shaft rod seat is fixedly connected to the upper end face of the frame body;

the transmission shaft is connected to the shaft rod seat through a bearing;

the transmission belt is connected between a shaft of the driving motor and the transmission shaft;

the shifting wheel is connected to the supporting plate on the left side of the frame body through a shaft;

the transmission bevel gear is connected between a shaft of the thumb wheel and the transmission shaft;

a sheave keyed to a shaft of the roller.

By adopting the technical scheme, the driving turntable can be driven to move by rotating the driving motor, so that the driving turntable can rotate to drive the lifting column to move up and down to weld the thermistor chip, and the driving motor can be driven to rotate to drive the transmission shaft to rotate, so that the transmission shaft drives the conveying belt to move to convey the thermistor chip through the shifting wheel and the grooved pulley.

Preferably, straight line equidistance is provided with convex recess on the conveyor belt, just locating clip one side sets up in convex recess.

By adopting the technical scheme, the thermistor chip and the lead can be conveniently fixed in the arc-shaped groove which is formed in the conveying belt in a linear equidistant mode, and the thermistor chip and the lead can be conveniently clamped and fixed through the positioning clamp.

Preferably, a torsion spring is arranged on the connecting shaft of the positioning clamp, and a circular through hole is formed in the middle of one side of the positioning clamp.

By adopting the technical scheme, the positioning clamp can be conveniently fixed to the thermistor chip and the lead through the torsional spring arranged on the connecting shaft of the positioning clamp, and the welding head can be conveniently welded to the thermistor chip and the lead through the circular through hole arranged in the middle of one side of the positioning clamp.

Preferably, the side surface of the limiting disc is provided with arc-shaped grooves at equal intervals, and the lower side of the limiting block is of an arc-shaped structure.

By adopting the technical scheme, the limiting block with the arc-shaped structure and the arc-shaped groove arranged on the side surface of the limiting disc can be conveniently matched with the position of the butt joint to limit, so that the welding head can stably weld the thermistor chip and the lead.

Preferably, a shifting rod is arranged on the end face of the rear side of the shifting wheel, and the shifting rod on the shifting wheel corresponds to the groove position on the grooved wheel.

By adopting the technical scheme, the shifting rod connected to the side face of the shifting wheel can be driven to move through the rotation of the shifting wheel, and the grooved wheel can be driven to rotate through the movement of the shifting rod, so that the equidistant intermittent motion of the roller column and the conveying belt is realized, and the conveying of the thermistor chip is facilitated.

Compared with the prior art, the invention has the beneficial effects that: this thermistor chip welding equipment can be convenient for automatically carry and weld the thermistor chip to welding efficiency and quality that can effectual improvement thermistor chip, and can be convenient for carry out automatic unloading and collection to the thermistor chip that welding was accomplished, thereby further improve thermistor chip welded efficiency, and can be convenient for switch according to the thermistor and the wire butt joint of different models, thereby improve this thermistor chip welding equipment's suitability:

1. the driving motor rotates to drive the transmission shaft to rotate, the transmission shaft drives the dial wheel to rotate through the transmission bevel gear, the dial wheel dials the grooved pulley through the shifting lever connected with the side surface of the dial wheel, so that the grooved pulley drives the roller column and the conveying belt to perform equidistant intermittent motion, automatic conveying operation of the thermistor chip and the wire is realized, the driving motor rotates to drive the driving turntable to rotate, the driving turntable drives the lifting column to perform reciprocating lifting motion through the eccentric shaft and the connecting rod connected with the side surface of the driving turntable, the fixed block drives the welding head to perform welding operation between the thermistor chip and the wire, and therefore the thermistor chip can be conveniently and automatically conveyed and welded, and welding efficiency and quality of the thermistor chip are effectively improved;

2. when the positioning clamp passes through the blanking control frame, the left side of the positioning clamp is extruded by the blanking control frame, so that the positioning clamp rotates to loosen the welded thermistor chips, and the welded thermistor chips fall into the finished product collecting box under the action of gravity to be automatically collected, so that the welded thermistor chips can be automatically blanked and collected conveniently, and the welding efficiency of the thermistor chips is further improved;

3. make it rotate through the inside spacing dish of axle drive fixed block through rotating the switching piece, the convex recess on the spacing dish extrudees stopper and pressure spring for the stopper upward movement makes in the stopper enters into another convex recess on the spacing dish through rotating the switching piece, makes the soldered connection that needs the use perpendicular towards conveyor belt's upper surface, thereby can be convenient for switch according to the thermistor and the wire butt joint of different models, improved this thermistor chip welding equipment's suitability.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of point a of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of point b of FIG. 5 according to the present invention;

FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 5 in accordance with the present invention;

FIG. 8 is an enlarged view of point c of FIG. 7 according to the present invention;

FIG. 9 is a rear perspective view of the present invention;

fig. 10 is an enlarged view of point d in fig. 9 according to the present invention.

In the figure: 1. a frame body; 2. a conveying and blanking device; 201. a support plate; 202. a roller; 203. a conveyor belt; 204. positioning clips; 205. a blanking control frame; 3. a column; 4. a frame; 5. welding a lifting mechanism; 501. driving the turntable; 502. a connecting rod; 503. a lifting column; 504. a return spring; 6. a welding head switching mechanism; 601. a fixed block; 602. a limiting disc; 603. a limiting block; 604. a compression spring; 605. a switching block; 606. welding a head; 7. a transmission mechanism; 701. a drive motor; 702. a spindle base; 703. a drive shaft; 704. a drive belt; 705. a thumb wheel; 706. a drive bevel gear; 707. a grooved wheel; 8. and (5) collecting a finished product.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution:

a thermistor chip bonding apparatus includes a frame body 1:

the conveying and blanking device 2 is arranged at the front position of the upper end face of the frame body 1; carry unloader 2 including: support plates 201, the support plates 201 are fixedly connected to the left and right sides of the upper end surface of the frame body 1; the roller 202, the roller 202 is connected to the shoe plate 201 through the bearing; a conveyor belt 203, the conveyor belt 203 being connected to the roller 202; the positioning clamp 204 is connected to the conveying belt 203 through a shaft, and the positioning clamp 204 is connected to the conveying belt 203 through a shaft; a blanking control frame 205, wherein the blanking control frame 205 is fixedly connected to the right position of the support plate 201 on the right side of the frame body 1; arc-shaped grooves are linearly and equidistantly formed in the conveying belt 203, and one side of the positioning clamp 204 is arranged in the arc-shaped grooves; a torsion spring is arranged on the connecting shaft of the positioning clamp 204, and a circular through hole is arranged in the middle of one side of the positioning clamp 204; pressing the positioning clamp 204 to separate one end of the positioning clamp from the surface of the conveying belt 203, placing the thermistor chip and the lead into the arc-shaped groove of the conveying belt 203, and loosening the positioning clamp 204 to fix the thermistor chip and the lead; the driving motor 701 rotates to drive the transmission shaft 703 to rotate through the transmission belt 704, the transmission shaft 703 drives the shifting wheel 705 to rotate through the transmission bevel gear 706, the shifting wheel 705 shifts the grooved wheel 707 through the shifting rod connected with the side surface of the shifting wheel 705, so that the grooved wheel 707 drives the roller column 202 and the conveying belt 203 to perform equidistant and intermittent motion, and the conveying operation of the thermistor chip and the lead is realized.

The upright column 3 is fixedly connected to the rear side position of the upper end face of the frame body 1; the frame 4 is fixedly connected to the upper side position of the upright post 3; the welding lifting mechanism 5 is arranged at the front position inside the rack 4; welding elevating system 5 is including: the driving turntable 501, the driving turntable 501 is connected to the inside of the frame 4 through a shaft; a connecting rod 502, wherein the connecting rod 502 is connected to the side surface of the driving turntable 501 through a shaft; the lifting column 503 is movably connected to the lower side position of the driving turntable 501; a return spring 504, the return spring 504 being disposed on a side surface of the lifting column 503; when the thermistor chip and the lead are conveyed to the position right below the frame 4, the driving motor 701 rotates to drive the driving turntable 501 to rotate, the driving turntable 501 drives the lifting column 503 to reciprocate and lift through the eccentric shaft and the connecting rod 502 connected to the side surface of the driving turntable 501, and therefore the fixing block 601 drives the welding head 606 to weld the thermistor chip and the lead.

The welding head switching mechanism 6 is fixedly connected to the lower side of the welding lifting mechanism 5; soldered connection switching mechanism 6 includes: the fixed block 601 is fixedly connected to the lower end face of the lifting column 503; the limiting disc 602, the limiting disc 602 is movably connected to the inside of the fixing block 601; a limiting block 603, wherein the limiting block 603 is connected to the inner side surface of the fixing block 601; the pressing spring 604 is arranged on the upper end face of the limiting block 603; the switching block 605 is fixedly connected to the middle position of the front end face of the limiting disc 602 through a shaft; welding heads 606, the welding heads 606 being circumferentially equally spaced on the sides of the switching block 605; arc-shaped grooves are formed in the side face of the limiting disc 602 at equal intervals in the circumferential direction, and the lower side of the limiting block 603 is of an arc-shaped structure; when thermistors and leads of different models need to be welded, the switching block 605 is rotated to drive the limiting disc 602 inside the fixing block 601 to rotate through the shaft, the arc-shaped groove on the limiting disc 602 extrudes the limiting block 603 and the compression spring 604, so that the limiting block 603 moves upwards, the limiting block 603 enters the other arc-shaped groove on the limiting disc 602 by rotating the switching block 605, the welding head 606 which needs to be used vertically faces the upper surface of the conveying belt 203, and the switching operation of the quick welding head 606 can be realized.

The transmission mechanism 7 is arranged at the left position of the rack 4; the transmission mechanism 7 comprises: the driving motor 701, the driving motor 701 is fixedly connected to the left end face of the frame 4, and the shaft of the driving motor 701 is connected with the shaft of the driving turntable 501; a shaft rod seat 702, wherein the shaft rod seat 702 is fixedly connected with the upper end surface of the frame body 1; the transmission shaft 703 is connected to the shaft rod seat 702 through a bearing; a driving belt 704, the driving belt 704 being connected between the shaft of the driving motor 701 and the driving shaft 703; a thumb wheel 705, the thumb wheel 705 is connected to the support plate 201 on the left side of the frame 1 through a shaft; the transmission bevel gear 706 is connected between the shaft of the thumb wheel 705 and the transmission shaft 703; a sheave 707, wherein the sheave 707 is connected with the shaft of the roller 202 in a key way; a shifting rod is arranged on the end face of the rear side of the shifting wheel 705, and the shifting rod on the shifting wheel 705 corresponds to the groove position on the grooved wheel 707; the finished product collecting box 8 is fixedly connected to the upper side position of the right end face of the frame body 1; after the welding of the thermistor chip and the lead wire is completed, the conveying belt 203 conveys the welded thermistor chip to the right position of the frame body 1, when the positioning clamp 204 passes through the blanking control frame 205, the left side of the positioning clamp 204 is extruded by the blanking control frame 205, so that the positioning clamp 204 rotates to loosen the welded thermistor chip, and the welded thermistor chip falls into the finished product collecting box 8 under the action of gravity to be collected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.