CN207942150U - Contact pin mechanism - Google Patents
Contact pin mechanism Download PDFInfo
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- CN207942150U CN207942150U CN201721920019.3U CN201721920019U CN207942150U CN 207942150 U CN207942150 U CN 207942150U CN 201721920019 U CN201721920019 U CN 201721920019U CN 207942150 U CN207942150 U CN 207942150U
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- needle
- charging
- fixture block
- seat
- contact pin
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Abstract
The utility model belongs to pin machine technical field, more particularly, to a kind of contact pin mechanism.It is arranged in rack, including charging seat and charging ram, charging ram is connected with the first driving means of driving charging ram movement, and first passage is offered on charging seat, which is characterized in that the charging seat is equipped with needle clamping device.Advantage is：When needle is pushed into needle clamping device touching position, needle clamping device compresses needle so that the direction of needle is stably maintained at a direction, and when needle is in the direction, needle is aligned with plastic part, improves the precision of needle insertion.
Description
Technical field
The utility model belongs to pin machine technical field, more particularly, to a kind of contact pin mechanism.
Background technology
Seamless nail is a kind of wall nail, is used widely in terms of the soft dress of household, especially photo frame, photo frame wall, photo
Wall, craftwork, rimless picture, traditional Chinese Painting, cross embroidery etc..Seamless nail includes parts of plastics and steel nail part.
Patent document [CN201520004540.7] discloses a kind of transformer framework automatic needle inserting machine, including rack, machine
Frame is equipped with oscillation feed gear, contact pin apparatus, the charging that the discharge port of oscillation feed gear passes through feed pipe and contact pin apparatus
Mouth connection；Contact pin apparatus includes pin block, into syringe, send needle cylinder, thimble cylinder, needle mouth, downlink cylinder, downlink straight line to lead
Rail is provided with the feedblock for needle to be pushed into the other side from side in feeding passage, is provided in thimble channel for that will send
The needle that material block pushes over depresses to the charging ram of needle mouth.
Wherein, pin block offers feeding passage, and feedblock is arranged in feeding passage, and pin block offers vertical direction
Thimble channel and fall needle passageway, feedblock is offered into pin hole, and needle is sent to by oscillation feed gear falls needle passageway, then by
It falls needle passageway to enter into pin hole, feedblock moves to the other side from the side of feeding passage, one for falling needle passageway and falling
Needle is sent to the lower section in thimble channel.
During pushing pin, there are one crucial moment, i.e., when needle reaches the discharge end in thimble channel, the aperture in thimble channel compared with
Greatly, for charging ram during pushing needle, needle can not be always maintained at vertical state, and needle its direction in moving process occurs
Deflection, and needle needs the jack being aligned on plastic part, the precision whether being aligned to needle is more demanding, the direction of needle is omited
Micro- offset can cause needle that can not be properly inserted on plastic part, contact pin failure.If the aperture in thimble channel is arranged
Smaller, needle is not easy to skid off under the force effect that rubs, and the resistance that charging ram pushes needle to be subject to is just big, is unfavorable for contact pin.
During sending needle, since feedblock is to move back and forth, the movement of feedblock is now divided into several stages：
Needle enters the pin hole stage from fall that needle passageway enters feedblock.Should during because needle is after falling needle passageway, lower end
It being affixed on moving feedblock, the feedblock in movement has needle set the thrust of its direction of motion so that needle is in low dip state,
In order to enable needle is in vertical state, then it will enter pin hole and be arranged to be slightly larger than needle, entering pin hole and fall needle passageway phase when feedblock
When connection, because needle is in low dip state, needle occur can not drop into needle passageway.
Feedblock is falling the stage moved between needle passageway and thimble channel.Should during because needle is after falling needle passageway,
Its lower end is affixed on moving feedblock, when feedblock move it is faster, and when needle heavier-weight, the upper surface of feedblock be easy because
There is Mars in friction, and cut is there is also after long-time use, and when needle lighter in weight, then because the feedblock being subject to rushes
The problem of power, pin block itself generate vibration, and needle shakes, is unfavorable for accurately dropping into and falls needle passageway.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, needle can be compressed in contact pin process by providing one kind so that is directed to
Quasi- plastic part improves the contact pin mechanism of contact pin precision.
In order to achieve the above objectives, the utility model uses following technical proposal：This contact pin mechanism is arranged in rack,
Including charging seat and charging ram, charging ram is connected with the first driving means of driving charging ram movement, is offered on charging seat
First passage, which is characterized in that the charging seat is equipped with needle clamping device.
In above-mentioned contact pin mechanism, the needle clamping device includes at least two fixture blocks, and the fixture block is by turning
Moving axis is rotatablely connected with charging seat, and elastic component is equipped between the fixture block and charging seat, charging is offered on the fixture block
Divide slot, charging that slot is divided to synthesize second channel, the first passage is connected with second channel.
In above-mentioned contact pin mechanism, the charging divides slot to be located at below rotation axis, and elastic component is located above rotation axis.
In above-mentioned contact pin mechanism, there is the first guide surface, the first guide surface to be obliquely installed on the fixture block.
In above-mentioned contact pin mechanism, locating slot is offered on the charging seat, the fixture block is equipped with the first pressure
Tight face, the bottom wall of the locating slot are and matched second seal face of the first seal face.
In above-mentioned contact pin mechanism, offered on the charging seat with the matched limition orientation slot of fixture block, it is described
Fixture block be slidably connected with limition orientation slot inner wall, the fixture block be equipped with third seal face, the madial wall of limition orientation slot
For with matched 4th seal face of third seal face.
In above-mentioned contact pin mechanism, the elastic component is spring, and ammunition feed is formed between the fixture block and charging seat
The compression stroke of spring compression.
In above-mentioned contact pin mechanism, feed device, feeding dress are equipped between the charging ram and charging seat
The second driving device including material feeding seat and driving material feeding seat movement is set, feedhole is offered on the material feeding seat, it is described
Material feeding seat is equipped with the groove being connected with feedhole, and groove is bar shaped, the direction of groove and the moving direction phase of material feeding seat
Together.
In above-mentioned contact pin mechanism, the groove is located at the side of feedhole, and the material feeding seat is equipped with blocking
Face, blocking surface are located at the other side of feedhole.
In above-mentioned contact pin mechanism, guide groove is provided on the blocking surface, guide groove is in same with feedhole
On axis.
Compared with prior art, it is the advantages of this contact pin mechanism：
First, when needle is pushed into needle clamping device touching position, needle clamping device compresses needle so that the direction of needle is steady
Fixed to maintain in one direction, when needle is in the direction, needle is aligned with plastic part, improves the precision of needle insertion.
Second, the movement of material feeding seat itself will not send syringe itself to be to maintain stable to sending syringe to act, from
And needle is avoided to be shaken during falling into feedhole, needle is improved from sending syringe to enter the precision in feedhole.
There is the second needle body of Forward componental movement to be tightly attached to blocking surface, slide into feedhole, carry along blocking surface for third
High needle is from sending syringe to drop into the precision in feedhole.
4th, by the way that wear-resisting portion is arranged on pedestal, to improve the wearability of material feeding seat, service life is elongated, and
After wear-resisting portion damages, entire material feeding seat need not be removed, it is only necessary to wear-resisting portion is removed, new wear-resisting portion is replaced with,
It is more convenient.
5th, material feeding seat includes pedestal and wear-resisting portion, and pedestal can bear larger impact load, the wearability in wear-resisting portion
It is good, it is not easy to damage, substantially prolong the service life of material feeding seat on the whole.
Description of the drawings
Fig. 1 is the stereogram of contact pin mechanism provided by the utility model.
Fig. 2 is the front view of contact pin mechanism provided by the utility model.
Fig. 3 is the side view of contact pin mechanism provided by the utility model.
Fig. 4 is the vertical view of contact pin mechanism provided by the utility model.
Fig. 5 is the stereogram of material feeding seat provided by the utility model.
Fig. 6 is the vertical view of material feeding seat provided by the utility model.
Fig. 7 is the side view of material feeding seat provided by the utility model.
Fig. 8 is the sectional view of material feeding seat provided by the utility model.
Fig. 9 is the stereogram at one visual angle of charging seat provided by the utility model.
Figure 10 is the stereogram at another visual angle of charging seat provided by the utility model.
Figure 11 is the front view of charging seat provided by the utility model.
Figure 12 is the sectional view of charging seat provided by the utility model.
Figure 13 is the enlarged drawing at the places Figure 12-A provided by the utility model.
Figure 14 is the stereogram of needle clamping device provided by the utility model.
Figure 15 is the stereogram of single fixture block provided by the utility model.
Figure 16 is the stereogram at one visual angle of charging seat after removing needle clamping device provided by the utility model.
Figure 17 is the stereogram at another visual angle of removing needle clamping device rear feeding seat provided by the utility model.
In figure, rack 1, charging seat 2, charging ram 3, first driving means 4, first passage 5, the driving dress of material feeding seat 6, second
Set 7, feedhole 8, groove 9, blocking surface 10, the first upper surface 11, the second upper surface 12, guide groove 13, pedestal 14, wear-resisting portion
15, the first needle body 16, the second needle body 17, send syringe 18, needle clamping device 19, fixture block 20, elastic component 21, second channel 22, turn
Moving axis 23, charging divide slot 24, the first guide surface 25, the first seal face 26, the second seal face 27, compression stroke 28, limition orientation
Slot 29, locating slot 30, third seal face 31, the 4th seal face 32.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 1-17, this contact pin mechanism is arranged in rack 1, including charging seat 2 and charging ram 3, charging ram 3 with
The first driving means 4 that driving charging ram 3 moves are connected, and first passage 5 is offered on charging seat 2, and charging seat 2 is equipped with needle
Clamping device 19, when needle, which is pushed into, to be in contact with needle clamping device 19, needle clamping device 19 compresses needle.Feed device will
Needle is sent to charging seat 2, and needle drops into first passage 5, and first passage 5 temporarily stores needle, and driving device drives pusher
Bar, charging ram push needle, and needle is moved along first passage 5, and when needle is pushed to at needle clamping device 19, needle clamping device 19 is pressed
Tight needle so that the direction of needle is stably maintained at a direction, and when needle is in the direction, needle is aligned with plastic part, improves needle and inserts
The precision entered.
Wherein, needle clamping device 19 includes at least two fixture blocks 20, and the fixture block 20 passes through rotation axis 23 and charging seat
2 rotation connections, are equipped with elastic component 21 between the fixture block 20 and charging seat 2, offering charging on the fixture block 20 divides slot
24, charging divides slot 24 to synthesize second channel 22, and the first passage 5 is connected with second channel 22.Second channel 22 it is straight
Diameter is less than the diameter of needle, and after needle is pressed into second channel 22, fixture block 20 compresses needle under the effect of elastic component 21, so needle
Towards a direction is stably maintained at, when needle is in the direction, needle is aligned with plastic part, improves the precision of needle insertion.
Charging divides slot 24 to be located at 23 lower section of rotation axis, and elastic component 21 is located at 23 top of rotation axis, and each fixture block 20 is in elasticity
Close up under the elastic force effect of part 21, the charging on fixture block 20 divides slot 24 to surround second channel 22 jointly.Fixture block 20 compresses the side of needle
There are many formula, and the present embodiment is by the way of swinging clamping.More specifically, the lower part of needle is resisted against the top of second channel 22,
Charging ram 3 pushes needle, and the top of second channel 22 is overcome the elastic force of elastic component 21,20 outside side-sway of fixture block by the pressure of needle
Dynamic, the upper port of second channel 22 becomes larger at this time, and the lower end of needle slides into second channel 22, and fixture block 20 can be swung, more conducively
Needle enters second channel 22 from first passage 5.After needle enters second channel 22, the top of second channel 22 is no longer by needle lower part
Pressure, fixture block 20 resets again under the action of elastic component 21, and charging divides slot 24 to close up to form second channel 22, fixture block 20
Needle is compressed, the direction of needle is stably maintained at a direction, and when needle is in the direction, needle is aligned with plastic part, improves needle insertion
Precision.
There is the first guide surface 25, the first guide surface 25 to be obliquely installed on fixture block 20.The diameter of second channel 22 is less than the
The diameter in one channel 5, needle can be by certain blockings, by setting during entering second channel 22 from first passage 5
Set the first guide surface 25 so that needle lower part can slide into along the first guide surface 25 in second channel 22, be conducive to needle from first
Channel 5 enters second channel 22.
Locating slot 30 is offered on charging seat 2, locating slot 30 positions fixture block 20 in swing, avoids the pendulum of fixture block 20
Dynamic direction deflects so that fixture block 20 being capable of accurate clamping formation second channel 22.Fixture block 20 is equipped with the first seal face 26,
The bottom wall of locating slot 30 be and 26 matched second seal face 27 of the first seal face.The under the elastic force effect of elastic component 21
One seal face 26 and the second seal face 27 fit, and second channel 22 when the first seal face 26 and the second seal face 27 fit
It is formed.First seal face 26 and the second seal face 27 keep the state after the reset of fixture block 8 so that second channel as against point
22 smoothly form after the reset of fixture block 20.
It is offered on charging seat 2 and 20 matched limition orientation slot 29 of fixture block, fixture block 20 and 29 inner wall of limition orientation slot
It is slidably connected, fixture block 20 is equipped with third seal face 31, and the madial wall of limition orientation slot 29 is to be matched with third seal face 31
The 4th seal face 32.The tool of limition orientation slot 29, first, to being limited before and after fixture block 20, avoids fixture block there are two effect
20 there is the position being moved forward and backward in swing process, second is that being oriented to the swaying direction of fixture block 20, avoid fixture block 20
Swaying direction deflects.So that fixture block 20 being capable of accurate clamping formation second channel 22.Locating slot 30 is to fixture block 20
End portion is positioned, and limition orientation slot 29 carries out guide-localization to the upper part of fixture block 20, and the two combines so that fixture block
20 being capable of accurate clamping.
Elastic component 21 is spring, and the compression stroke 28 for spring-compressed, charging seat 2 are formed between fixture block 20 and charging seat 2
On offer and 20 matched limition orientation slot 29 of fixture block.Compression stroke 28 facilitates spring-compressed and fixture block 20 to swing out
Fixture block 20 is two, and is symmetrical arranged relative to first passage 5.
Feed device is equipped between charging ram 3 and charging seat 2, feed device includes that material feeding seat 6 and driving material feeding seat 6 move
The second driving device 7, feedhole 8 is offered on material feeding seat 6, material feeding seat 6 is equipped with the groove 9 being connected with feedhole 8, and
Groove 9 is bar shaped, and the direction of groove 9 is identical as the moving direction of material feeding seat 6.
For feed device between charging ram 3 and charging seat 2, the top of material feeding seat 6, which is equipped with, send syringe 18, material feeding seat 6 past
5 direction of first passage is moved, and the first needle body 16 has been inserted in the feedhole 8 of material feeding seat 6, from the second needle for sending syringe 18 to export
Body 17 drops into the groove 9 of material feeding seat 6, and the first needle body 16 is sent in the first passage 5 of charging seat 2 by material feeding seat 6, then,
Material feeding seat 6 back moves, and the second needle body 17 drops into feedhole 8, in cycles.
During being somebody's turn to do, the movement of of material feeding seat 6 itself will not send syringe 18 to be to maintain in itself to sending syringe 18 to act
It is stable, to avoid needle from being shaken during falling into feedhole 8, needle is improved from sending syringe 18 to enter feedhole 8
In precision.
Wherein, groove 9 is located at the side of feedhole 8, and material feeding seat 6 is equipped with blocking surface 10, and blocking surface 10 is located at feedhole
8 other side.During material feeding seat 6 moves forward, the second needle body 17 has the componental movement of Forward under the action of material feeding seat 6, and
Material feeding seat 6 there is the second needle body 17 of Forward componental movement to be tightly attached to blocking surface 10, along blocking surface during toward return
10 slide into feedhole 8, improve needle from sending syringe 18 to drop into the precision in feedhole 8.
Wherein, there is material feeding seat 6 first upper surface 11 and the second upper surface 12, the first upper surface 11 to be higher than the second upper surface
12, blocking surface 10 connects the first upper surface 11 and the second upper surface 12, groove 9 are opened on the second upper surface 12.First upper end
Face 11 is higher than the second upper surface 12, extends the time that needle drops into groove 9, to reduce between 9 inner wall of needle and groove
The time being in contact reduces the time that the two is in Frotteurism, to reduce state of the movement to needle of material feeding seat 6
Influence.Further, blocking surface 10 is equipped with guide groove 13, and guide groove 13 is in feedhole 8 on same axis.Guide groove 13
Being moved into needle has guiding role in feedhole 8, improve needle from sending syringe 18 to drop into the precision in feedhole 8.
Material feeding seat 6 includes pedestal 14 and wear-resisting portion 15, and feedhole 8 is opened in whole or in part in wear-resisting portion 15.Feeding
Hole 8 is all opened in wear-resisting portion 15, and feedhole 8 is only opened in wear-resisting portion 15, without being opened on pedestal 14.It send
It refers to that 8 part of feedhole is opened in wear-resisting portion 15 that material 8 part of hole, which is opened in wear-resisting portion 15, and a part is opened in pedestal 14
On, two parts collectively constitute feedhole 8.By the way that wear-resisting portion 15 is arranged on pedestal 14, to improve the wear-resisting of material feeding seat 6
Property, service life is elongated, and after wear-resisting portion 15 damages, and need not remove entire material feeding seat 6, it is only necessary to remove wear-resisting portion
15, new wear-resisting portion 15 is replaced with, it is more convenient.
The wearability in wear-resisting portion 15 is higher than the wearability of pedestal 14, and the load-bearing capacity that absorbs impact of pedestal 14 is more than wear-resisting portion
15 absorb impact load-bearing capacity.Charging ram 3 pushes the needle in feedhole 8 to direction of discharge, during being somebody's turn to do, pusher
Bar 3 constantly rubs with wear-resisting portion 15, after needle drops into the groove 9 of material feeding seat 6, when material feeding seat 6 moves, needle with it is resistance to
It rubs between mill portion 15, after prolonged use, material feeding seat 6 is scrapped because of serious wear.In addition, material feeding seat 6 is
Under the action of two driving devices 7, greater impact occurs between continuous reciprocating movement, with charging seat 2, also easily damages.It is comprehensive
Upper can be seen that proposes two requirements to material feeding seat 6, when it is wear-resisting, second is that larger impact load can be born.And thing
Often can not be satisfactory to both parties, for that can bear larger impact load, then wearability is inadequate, good for wearability, then not
It can bear larger impact load.So material feeding seat 6 is designed to two parts, pedestal 14 and wear-resisting portion 15,14 energy of pedestal
Larger impact load is enough born, the wearability in wear-resisting portion 15 is good, it is not easy to damage, substantially prolong material feeding seat 6 on the whole
Service life.
More specifically, the material in wear-resisting portion 15 is Cr12, and the material of pedestal 14 is 45# steel.Cr12 is a kind of alloy work
Have steel, there is preferable quenching degree and good wearability, is mainly used as absorbing impact load smaller, it is desirable that the object of high abrasion
Part, 45# steel ensures its good mechanical performance, and can obtain the hardness requirement on surface, larger for making bearing load.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although term is used more herein, it does not preclude the possibility of using other terms.Use these terms
Just for the sake of more easily describing and explaining the essence of the utility model；It is construed as any one of the additional limitations all
It is contrary to the spirit of the present invention.
Claims (10)
1. a kind of contact pin mechanism is arranged in rack (1), including charging seat (2) and charging ram (3), charging ram (3) are pushed away with driving
The mobile first driving means (4) of material bar (3) are connected, and first passage (5) are offered on charging seat (2), which is characterized in that institute
The charging seat (2) stated is equipped with needle clamping device (19).
2. contact pin mechanism according to claim 1, which is characterized in that the needle clamping device (19) includes at least two
Fixture block (20), the fixture block (20) are rotatablely connected by rotation axis (23) and charging seat (2), the fixture block (20) and charging
It is equipped with elastic component (21) between seat (2), charging is offered on the fixture block (20) and divides slot (24), charging divides slot (24) synthesis the
Two channels (22), the first passage (5) are connected with second channel (22).
3. contact pin mechanism according to claim 2, which is characterized in that the charging divides slot (24) to be located at rotation axis (23)
Lower section, elastic component (21) are located above rotation axis (23).
4. contact pin mechanism according to claim 2 or 3, which is characterized in that have the first guiding on the fixture block (20)
Face (25), the first guide surface (25) are obliquely installed.
5. contact pin mechanism according to claim 2 or 3, which is characterized in that offer locating slot on the charging seat (2)
(30), the fixture block (20) is equipped with the first seal face (26), and the bottom wall of the locating slot (30) is and the first seal face
(26) matched second seal face (27).
6. contact pin mechanism according to claim 5, which is characterized in that offered on the charging seat (2) and fixture block
(20) matched limition orientation slot (29), the fixture block (20) is slidably connected with limition orientation slot (29) inner wall, described
Fixture block (20) is equipped with third seal face (31), and the madial wall of limition orientation slot (29) is matched with third seal face (31)
4th seal face (32).
7. contact pin mechanism according to claim 2 or 3, which is characterized in that the elastic component (21) is spring, described
The compression stroke (28) for spring-compressed is formed between fixture block (20) and charging seat (2).
8. contact pin mechanism according to claim 1 or 2 or 3, which is characterized in that the charging ram (3) and charging seat (2)
Between be equipped with feed device, the feed device include material feeding seat (6) and driving material feeding seat (6) move the second driving device
(7), feedhole (8) is offered on the material feeding seat (6), the material feeding seat (6) is equipped with to be connected with feedhole (8)
Groove (9), and groove (9) is bar shaped, the direction of groove (9) is identical as the moving direction of material feeding seat (6).
9. contact pin mechanism according to claim 8, which is characterized in that the groove (9) is located at the one of feedhole (8)
Side, the material feeding seat (6) are equipped with blocking surface (10), and blocking surface (10) is located at the other side of feedhole (8).
10. contact pin mechanism according to claim 9, which is characterized in that be provided with guide groove on the blocking surface (10)
(13), guide groove (13) is in feedhole (8) on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920019.3U CN207942150U (en) | 2017-12-29 | 2017-12-29 | Contact pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920019.3U CN207942150U (en) | 2017-12-29 | 2017-12-29 | Contact pin mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207942150U true CN207942150U (en) | 2018-10-09 |
Family
ID=63701338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920019.3U Active CN207942150U (en) | 2017-12-29 | 2017-12-29 | Contact pin mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207942150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000102A (en) * | 2017-12-29 | 2018-05-08 | 浙江宏日自动化科技有限公司 | Contact pin mechanism |
-
2017
- 2017-12-29 CN CN201721920019.3U patent/CN207942150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000102A (en) * | 2017-12-29 | 2018-05-08 | 浙江宏日自动化科技有限公司 | Contact pin mechanism |
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