CN219591250U

CN219591250U - Automatic pin inserting machine

Info

Publication number: CN219591250U
Application number: CN202320515669.9U
Authority: CN
Inventors: 郑焕章
Original assignee: Dongguan Yinhai Plastic Electronics Co ltd
Current assignee: Dongguan Yinhai Plastic Electronics Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-25
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses an automatic pin inserting machine, which aims to solve the technical problems of low efficiency, low precision and poor quality of pin inserting processing procedures and high manufacturing cost in the prior art.

Description

Automatic pin inserting machine

Technical Field

The utility model belongs to the field of machinery, and particularly relates to an automatic pin inserting machine.

Background

The pin inserting machine is a device for inserting wiring posts into insulating frameworks of various coils and transformers. In the needle inserting procedure, the needle thread is straightened, the needle is inserted into the stator and then sheared, but the existing needle inserting machine has the following problems:

1. most of the pin inserting machines can break away from pin holes due to vibration when cutting the pin wires, follow-up pin inserting errors occur, repeated pin inserting is needed for products with unqualified pins, the working time of equipment is wasted, the manufacturing cost is increased, the working efficiency is reduced,

2. in the process that the needle thread enters the needle insertion hole during feeding, the rotation angle of the gear is not easy to control, and the needle thread is driven to approach the needle insertion hole, so that the feeding is easy to occur too fast or too slow, the needle insertion hole of a workpiece cannot be aligned accurately, and the needle insertion is poor.

In order to smooth the steps of the whole pin inserting process and improve the working efficiency of the whole process, an automatic pin inserting machine with high efficiency is required to be designed.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an automatic pin inserting machine, which aims to solve the technical problems of low efficiency, low precision, poor quality and high manufacturing cost of pin inserting processing procedures in the prior art.

(2) Technical proposal

An automatic pin machine, includes workstation, its characterized in that: the wire feeding device comprises a workbench, and is characterized in that a wire feeding unit, a press mounting unit and a working unit are arranged on the workbench, the wire feeding unit comprises a stepping motor, a wire conveying roller with left and right axes positioned on the same horizontal line and a wire placing rolling wheel, the press mounting unit comprises a press mounting part and a plurality of press mounting columns, the working unit comprises a shearing structure and a die, a plurality of second pin holes are formed in the die, the shearing structure comprises a shearing plate, a plurality of first pin holes are formed in the shearing plate, the die can be used for placing products to be processed, and a plurality of jacks to be formed in the products to be processed.

Further, the press-fitting part comprises a press-fitting machine, a connecting rod and a connecting plate, and a mounting position for placing the press-fitting column is arranged on the connecting plate.

Further, the die is provided with a plurality of press-fit positions which are adaptive to the mounting positions.

Further, the workbench is provided with a through hole which is opposite to the press-fit unit.

Further, a gap is arranged between the two wire conveying rollers, a wire fixing block is arranged right above the gap, and a plurality of guide holes corresponding to the gap are formed in the wire fixing block.

Further, the surface of the wire conveying rod is provided with a plurality of tooth grooves, a plurality of groups of needle wires are wound on the wire placing rolling wheel, when the surface of the needle wires passes through the tooth grooves, the needle wires are pressed by the tooth grooves to form two rows of opposite toothed steps, and the surface of the guide hole is provided with toothed clamping positions corresponding to the toothed steps in size.

Further, the shearing structure further comprises a shearing cylinder, a sliding rod and a long block, wherein the long block is fixedly connected with the sliding rod.

Further, the shearing structure further comprises a screw, a first screw hole is formed in the shearing plate, a second screw hole is formed in the long block, and the screw is screwed into the first screw hole and the second screw hole in sequence, so that the shearing plate is fixed with the long block.

Furthermore, the long block is sequentially provided with a pin position a, a pin position b, a pin position c and a pin position d along the 0- > X direction.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the stepping motor, the rotating speed is uniform, so that the needle and line of each group can be stably and accurately transferred into the first pin hole, the moving distance of the needle and line of each group is accurately controlled, and in the moving process, the needle and line in the first pin hole falls off due to friction and vibration between the shearing knife and the needle and line when the previous group is sheared, meanwhile, a plurality of groups of products to be processed are rapidly inserted, the working efficiency is greatly improved, and the pin yield is improved.

2. The automatic pin inserting machine has the advantages of simple integral structure, convenient assembly, optimized working steps and reduced equipment production and manufacturing cost.

Drawings

Fig. 1: three-dimensional structure diagram of the present utility model.

Fig. 2: the utility model relates to a three-dimensional structure diagram of a product to be processed.

Fig. 3: the utility model relates to an explosion diagram of a pin inserting machine.

Fig. 4: the utility model relates to a three-dimensional structure diagram of a wire feeding unit.

Fig. 5: explosion diagram of the working unit of the utility model.

Fig. 6: explosion diagram of the working unit of the utility model.

The components in the drawings are marked as follows: 1-a workbench; 11-through holes; 2-a wire feeding unit; 21-a stepper motor; 22-wire conveying stick; 221-tooth slots; 23-arranging a wire rolling wheel; 24-gap; 25-a wire fixing block; 251-guiding hole; 252-tooth-like detents; 3-press-fitting units; 31-a press-fitting part; 311-pressing machine; 312-connecting rods; 313-connecting plates; 314-mounting location; 32-press-fitting the column; 4-working units; 41-shear structure; 411-shear plates; 412-a first pin hole; 413—a shear cylinder; 414-slide bar; 415-long blocks; 416-a first screw hole; 417-second screw holes; 418-screws; 42-a mold; 43-second pin hole; 44-press-fitting position; 5-a product to be processed; 51-to-be-plugged holes; 6-needling; 61-dentiform steps.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model,

referring to figures 1-6 of the drawings,

as shown in fig. 1 and 2, an automatic pin inserting machine comprises a workbench 1, wherein a wire feeding unit 2, a press mounting unit 3 and a working unit 4 are arranged on the workbench 1, the wire feeding unit 2 comprises a stepping motor 21, a wire feeding roller 22 with left and right axes positioned at the same horizontal line and a wire arranging rolling wheel 23, a plurality of groups of needle wires 6 are wound on the wire arranging rolling wheel 23, the press mounting unit 3 comprises a press mounting part 31 and a plurality of press mounting columns 32, the working unit 4 comprises a shearing structure 41 and a die 42, a plurality of second pin holes 43 are arranged on the die 42, the shearing structure 41 comprises a shearing plate 411, a plurality of first pin holes 412 are arranged on the shearing plate 411, the die 42 can be used for placing a product 5 to be processed, the product 5 to be processed is provided with a plurality of holes 51 to be processed, and it is to be noted that the stepper motor 21 has the advantages that the rotation speed is uniform, the product 5 to be processed is placed in the die 42, the holes 51 to be processed correspond to the second pin holes 43 in position, the stepper motor 21 is connected with the wire conveying rollers 22, the two wire conveying rollers 22 drive the two wire conveying rollers 22 to rotate relatively through the stepper motor 21, the clamped needle wire 6 passes through the first pin holes 412 upwards, the positions of the needle wire 6 are fixed, the needle wire 6 is prevented from shifting when entering the second pin holes 43, meanwhile, the needle wire 6 of each group can be ensured to enter the first pin holes 412 stably and accurately, the needle wire 6 is accurately controlled to enter the holes 51 to be processed, the processing yield is ensured, and the product rejection rate is reduced.

As shown in fig. 3, since the needle and line 6 is conveyed into the hole 51 of the product 5 to be processed from bottom to top, the press-fitting unit 3 is disposed above the workbench 1, the press-fitting portion 31 includes a press-fitting machine 311, a connecting rod 312 and a connecting plate 313, the connecting plate 313 is provided with a mounting position 314 for placing the press-fitting column 32, the mold 42 is provided with a plurality of press-fitting positions 44 corresponding to the mounting position 314, the press-fitting positions 44 are used for placing the product 5 to be processed, when the product 5 to be processed is inserted, the press-fitting machine 311 works, so that the connecting rod 312 drives the connecting plate 313 and the press-fitting column 32 to move downward to be in contact with the product 5 to be processed in the press-fitting positions 44, thereby preventing the needle and line from entering the product 5 to be processed upward, and the upward force slightly ejects the product 5 to be processed from the press-fitting positions 44, which results in insufficient positions of the pins and failed insertion.

Specifically, a through hole 11 opposite to the press-fitting unit 3 is provided on the workbench 1, a certain gap 24 is provided between the two wire conveying rollers 22, the gap 24 just can make the wire conveying rollers 22 contact with the surface of the needle wire 6, and the two wire conveying rollers 22 relatively rotate, so that the needle wire 6 can be driven to move upwards and pass through the gap 24 and the through hole 11, and finally be inserted into the to-be-inserted hole 51;

as shown in fig. 4, in a normal state, the surface of the needle thread 6 is smooth, and is easy to slide down from the gap 24 in an upward conveying process, so that a poor conveying effect is caused, a plurality of tooth grooves 221 are formed on the surfaces of the two thread conveying rods 22, when the needle thread 6 enters the upward moving process of the gap 24, and the surface of the needle thread 6 passes through the tooth grooves 221, two rows of opposite tooth steps 61 are formed by slightly pressing the needle thread 6 in a state of not influencing the overall shape of the needle thread 6, a wire fixing block 25 is arranged right above the gap 24, a plurality of guide holes 251 corresponding to the gap 24 are formed on the wire fixing block 25, tooth-shaped clamping positions 252 corresponding to the tooth steps 61 are formed on the surfaces of the guide holes 251, and when the needle thread 6 moves upwards, the needle thread 6 is clamped on the tooth-shaped clamping positions 252, but the upward moving of the needle thread 6 is not influenced, and even if gravity acts in the upward moving process of the needle thread 6, the needle thread 6 is not separated from the first pin hole 412 downwards due to the downward sliding effect of the needle thread 24.

As shown in fig. 5 and 6, the cutting structure 41 further includes a cutting cylinder 413, a sliding rod 414, a long block 415, and a screw 418, where the long block 415 is fixedly connected to the sliding rod 414, a first screw hole 416 is provided on the cutting plate 411, a second screw hole 417 is provided on the long block 415, the screw 418 is screwed into the first screw hole 416 and the second screw hole 417 in sequence, so that the cutting plate 411 and the long block 415 are fixed, the sliding rod 414 drives the long block 415 to reciprocate along the 0-X axis direction by driving the cutting cylinder 413, and then drives the cutting plate 411 to reciprocate along the 0-X axis direction at the lower end surface of the die 42, at this time, the positions of the first pin hole 412, the second pin hole 43, and the to-be-inserted hole 51 are corresponding to each other in the 0-Z axis direction, and the needle wire 6 located in the first pin hole 412 is driven along the 0-X axis direction, so that the needle wire 6 enters the second pin hole 43 and the to-be-inserted hole 51 from the first pin hole 412, and the step motor 21 is driven.

More specifically, when the needle thread 6 is completely inserted into the insertion hole 51 to be inserted, the needle thread 6 needs to be cut off for subsequent insertion, so the embodiment sets the upper end face of the cutting plate 411 to be closely attached to the lower end face of the die 42, when the strip 415 moves reciprocally along the 0-X axis direction, the cutting plate 411 is driven to move together, at this time, the upper end face of the cutting plate 411 moves relative to the lower end face of the die 42 to form a shearing force, the needle thread 6 between the first needle insertion hole 412 and the second needle insertion hole 43 is cut off by the shearing force, and in the process of forming the shearing force, the needle thread 6 in the first needle insertion hole 412 is supported by the lower wire fixing block 25 due to slight vibration of the cutting plate 411 after the shearing is completed, so as to effectively prevent the needle thread 6 from being separated from the first needle insertion hole 412 due to the vibration.

Specifically, the long block 415 is sequentially provided with a pin position a, a pin position b, a pin position c and a pin position d along the 0- > X direction (as shown in fig. 5), the shearing cylinder 413 may drive the needle and line 6 located in the first pin hole 412 to move to the pin position a to align with the to-be-inserted hole 51 and insert the pin, then sequentially move to the pin position b, the pin position c and the pin position d to insert the pin, and after the sequence is completed, the to-be-processed product 5 with the inserted pin in the die 42 is replaced, and then sequentially returns to insert the pin; or firstly insert the pin from the pin position d, then insert the pin through the pin position c, the pin position b and the pin position a, the sequence of the pins can be set according to actual needs, the flexibility is high, and the setting realizes the quick pin insertion of a plurality of groups of products to be processed at the same time, so that the working efficiency is effectively improved.

Working principle:

firstly, a needle thread 6 placed on a thread placing rolling wheel 23 sequentially passes through a gap 24 and a through hole 11 and then is positioned in a first pin hole 411, a product 5 to be processed is placed in a press-fit position 44, and a to-be-processed hole 51 corresponds to a second pin hole 43; starting the stepping motor 21 to enable the two thread conveying sticks 22 to relatively rotate to convey the needle thread 6 upwards, pressing the surface of the needle thread 6 through the tooth grooves 221 to form two rows of opposite toothed steps 61, and enabling the needle thread 6 of the toothed steps 61 to pass through the guide holes 251;

then, the first pin hole 411 containing the pin wire 6 moves to the pin position a, the pin wire 6 is inserted into the second pin hole 43 from the first pin hole 411 and enters the to-be-inserted position 51, and the press-fitting machine 311 is driven to drive the connecting rod 312 to drive the connecting plate 313 and the press-fitting column 32 to move downwards to press the to-be-processed product 5 in the press-fitting position 44, so that the pin is realized;

the shearing cylinder 413 is driven to enable the sliding rod 414 to drive the strip 415 to move along the 0- > X direction, and then the shearing plate 411 is driven to reciprocate along the 0-X axis direction on the lower end face of the die 42, the needle thread 6 between the first needle insertion hole 412 and the second needle insertion hole 43 is sheared by shearing force, so that the thread is sheared, meanwhile, the first needle insertion hole 411 with the needle thread 6 is moved to the needle insertion position b, and needle insertion, thread shearing and displacement are repeated, so that automatic needle insertion is realized.

In a word, the automatic pin inserting machine has the advantages of simple integral structure, convenience in assembly, optimization of working steps and reduction of equipment production cost.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. An automatic pin inserting machine comprises a workbench (1), and is characterized in that: be equipped with on workstation (1) and send line unit (2), pressure equipment unit (3), work unit (4), send line unit (2) including step motor (21), control line rod (22) that the axis is located same horizontal line and put line roll wheel (23), pressure equipment unit (3) include pressure equipment portion (31), a plurality of pressure equipment post (32), work unit (4) are including shearing structure (41) and mould (42), be equipped with a plurality of second contact pin hole (43) on mould (42), shearing structure (41) are including shearing board (411), be equipped with a plurality of first contact pin hole (412) on shearing board (411), mould (42) can be used for placing and wait to process product (5), be equipped with a plurality of on waiting to process product (5) jack (51).

2. An automatic pin machine according to claim 1, wherein: the press-fitting part (31) comprises a press-fitting machine (311), a connecting rod (312) and a connecting plate (313), wherein an installation position (314) for placing the press-fitting column (32) is arranged on the connecting plate (313).

3. An automatic pin machine according to claim 2, characterized in that: the die (42) is provided with a plurality of press-fit positions (44) which are matched with the mounting positions (314).

4. An automatic pin machine according to claim 3, wherein: the workbench (1) is provided with a through hole (11) which is opposite to the press-fit unit (3).

5. An automatic pin machine according to claim 4, wherein: a gap (24) is arranged between the two wire conveying rollers (22), a wire fixing block (25) is arranged right above the gap (24), and a plurality of guide holes (251) corresponding to the gap (24) are formed in the wire fixing block (25).

6. An automatic pin machine according to claim 5, wherein: the surface of the wire conveying roller (22) is provided with a plurality of tooth grooves (221), a plurality of groups of needle wires (6) are wound on the wire placing rolling wheel (23), when the surface of the needle wires (6) passes through the tooth grooves (221), the needle wires are pressed by the tooth grooves (221) to form two rows of opposite toothed steps (61), and the surface of the guide hole (251) is provided with toothed clamping positions (252) corresponding to the toothed steps (61).

7. An automatic pin machine according to claim 6, wherein: the shearing structure (41) further comprises a shearing cylinder (413), a sliding rod (414) and a long block (415), and the long block (415) is fixedly connected with the sliding rod (414).

8. An automatic pin machine according to claim 7, wherein: the shearing structure (41) further comprises a screw (418), a first screw hole (416) is formed in the shearing plate (411), a second screw hole (417) is formed in the long block (415), and the screw (418) is screwed into the first screw hole (416) and the second screw hole (417) in sequence, so that the shearing plate (411) is fixed with the long block (415).

9. An automatic pin machine according to claim 8, wherein: the long block (415) is sequentially provided with a pin position a, a pin position b, a pin position c and a pin position d along the 0-X direction.