CN213255421U - Glue dispenser, piezoelectric injection valve and runner quick assembly and disassembly device thereof - Google Patents
Glue dispenser, piezoelectric injection valve and runner quick assembly and disassembly device thereof Download PDFInfo
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- CN213255421U CN213255421U CN202021522363.9U CN202021522363U CN213255421U CN 213255421 U CN213255421 U CN 213255421U CN 202021522363 U CN202021522363 U CN 202021522363U CN 213255421 U CN213255421 U CN 213255421U
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Abstract
The utility model relates to the technical field of a flow channel loading and unloading structure of a piezoelectric injection valve, in particular to a dispenser, a piezoelectric injection valve and a flow channel quick loading and unloading device thereof, wherein the flow channel quick loading and unloading device comprises a bottom support and a supporting seat; one end of the bottom support is rotatably arranged at the bottom end of the valve body, the other end of the bottom support is rotatably provided with a lock rod, and the lock rod is in threaded connection with a locking nut; the supporting seat is provided with a side groove for screwing in or screwing out the locking rod, the utility model discloses a collet which is rotatably installed at the bottom end of the valve body is combined with the design of rotating the locking rod installed on the collet, so that the runner body can be supported when the collet is rotated upwards, and after the locking rod is rotated into the side groove of the supporting seat, the runner body can be clamped between the bottom end part of the valve body and the collet by screwing up the locking nut, thus completing the installation of the valve body; when dismantling, only need unscrew lock nut, then with the locking lever roll-over side groove, alright relieve the collet to the compressing tightly of runner body fast, lose the runner body that the collet compressed tightly, can directly take off from the valve body, the operation is very simple and convenient, very big simplification the maintenance flow.
Description
Technical Field
The utility model belongs to the technical field of piezoelectric injection valve's runner loading and unloading technical field and specifically relates to a runner fast loading and unloading device, in addition, the utility model discloses still relate to a piezoelectric injection valve including above-mentioned runner fast loading and unloading device and including above-mentioned piezoelectric injection valve's point gum machine.
Background
With the rapid development of the electronic industry, the requirement on electronic packaging is higher and higher, and aiming at the high-requirement electronic packaging technology, the non-contact injection valve is more and more widely applied in the field of electronic packaging with the advantages of high efficiency, high precision and the like, and the piezoelectric stack with high response speed and high precision is used as a core driving component of the non-contact piezoelectric injection valve and is also widely applied in the non-contact injection valve;
as is well known, the main structure of a piezoelectric injection valve is composed of a valve body, a piezoelectric actuator arranged in the valve body, an amplifier, a flow channel assembly and the like, and the main principle of the piezoelectric injection valve is as follows: amplifying the deformation of the piezoelectric ceramic in the piezoelectric actuator after being electrified by using an amplifier through a lever principle, and transmitting the deformation to a striker in the runner assembly, so that glue solution in the runner assembly is ejected by using the striker;
the piezoelectric injection valve on the market at present generally adopts a detachable connection structure about the connection between a flow passage component and a valve body, and aims to facilitate the cleaning and replacement of a flow passage in the flow passage component; but the detachable structure between the flow channel assembly and the valve body of the prior piezoelectric injection valve is generally complex, and the assembly and disassembly of the flow channel assembly on the valve body are complicated and time-consuming;
in view of this, the present invention provides a quick assembling and disassembling device for flow channel based on the existing piezoelectric injection valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the comparatively loaded down with trivial details problem consuming time of loading and unloading between valve body and the runner subassembly among the prior art, the utility model provides a runner fast loading and unloading device now, in addition, the utility model discloses still provide a piezoelectricity injection valve and the point gum machine including above-mentioned piezoelectricity injection valve of including above-mentioned runner fast loading and unloading device.
The utility model provides a technical scheme that its technical problem adopted is: a runner fast loading and unloading device is used for a piezoelectric injection valve, the piezoelectric injection valve comprises a valve body and a runner assembly arranged at the bottom end of the valve body, the runner assembly is provided with a runner body and a firing pin positioned on the runner body, the firing pin is inserted into the valve body from a mounting hole at the bottom end of the valve body, and the runner fast loading and unloading device comprises a bottom support and a supporting seat;
one end of the bottom support is rotatably arranged at the bottom end of the valve body, the other end of the bottom support is rotatably provided with a lock rod, and the lock rod is in threaded connection with a locking nut;
the supporting seat is fixed on the valve body and located above the bottom support, a side groove for screwing in or screwing out the locking rod is formed in the supporting seat, when the locking rod is located in the side groove and the locking nut is screwed down to abut against the upper surface of the supporting seat, the bottom support abuts against the flow channel body upwards, and the flow channel body abuts against the bottom end portion of the valve body upwards.
According to the scheme, through the design that the bottom support rotatably mounted at the bottom end of the valve body is combined with the lock rod rotatably mounted on the bottom support, the bottom support can support the flow channel body when rotating upwards, and after the lock rod is rotated into the side groove of the supporting seat, the flow channel body can be clamped between the bottom end part of the valve body and the bottom support by screwing the locking nut, so that the valve body is mounted; when dismantling, only need unscrew lock nut, then with the locking lever roll-over side groove, alright relieve the collet to the compressing tightly of runner body fast, lose the runner body that the collet compressed tightly, can directly take off from the valve body, the operation is very simple and convenient, very big simplification the maintenance flow.
Furthermore, a clamping groove is formed in the lower surface of the bottom support, which is located at the end where the lock rod is located, of the upper surface, the clamping groove is matched with the flow channel body, and when the bottom support upwards supports against the flow channel body and the flow channel body upwards supports against the end portion of the bottom end of the valve body, the flow channel body is located in the clamping groove; utilize the draw-in groove to block the runner body, can prevent that the runner body from deflecting about to improve the steadiness of runner body installation on the valve body.
The flow passage comprises a flow passage body, a valve body and a positioning rod, wherein the flow passage body is provided with a positioning hole matched with the positioning rod; the positioning rod is matched with the positioning hole in the flow channel body, and the valve body mounting hole is matched with the firing pin of the flow channel body, so that the flow channel body can be positioned at the bottom end of the valve body, and the flow channel body only has the freedom degree of moving along the axis direction of the positioning rod.
Furthermore, a guide sleeve matched with the mounting hole is fixed on the flow channel body, and the top end of the firing pin penetrates through the guide sleeve; the guide sleeve of the runner body is inserted into the mounting hole, so that the positioning rod is matched with the guide sleeve to position the runner body at the bottom end of the valve body.
Furthermore, the bottom end of the valve body is provided with a sliding hole matched with the positioning rod, the positioning rod is arranged in the sliding hole in a sliding mode, a spring is arranged between the upper end of the positioning rod and the hole bottom of the sliding hole, one end of the spring abuts against the hole bottom of the sliding hole, the other end of the spring abuts against the upper end of the positioning rod, and the lower end of the positioning rod abuts against the hole bottom of the positioning hole; therefore, certain elasticity exists between the runner body and the valve body, the friction force between the internal thread of the locking nut and the external thread of the locking rod can be improved, and the locking nut can be effectively prevented from being loosened due to vibration when the valve body works normally, so that the runner body is prevented from being easily loosened, and the dispensing effect is ensured; meanwhile, when the valve body is disassembled, the spring also helps to push the flow passage body to be separated from the valve body.
Furthermore, an elongated slot is formed in the positioning rod, a limiting rod is connected to the valve body in a threaded manner, the limiting rod is connected to the valve body in a threaded manner, and the limiting rod is inserted into the elongated slot; the limiting rod is inserted into the long groove of the positioning rod, so that the positioning rod can be prevented from falling off from the sliding hole, and the sliding stroke of the positioning rod is limited within the length range of the long groove.
Furthermore, the locking rod is rotatably arranged on the front side and the rear side of the bottom support, the side grooves are formed in the front side face and the rear side face of the supporting seat, and the locking rod is located in the side groove on the side where the locking rod is located.
Furthermore, the upper surface of the flow channel body is provided with a matching bulge, and the upper surface of the matching bulge is contacted with the bottom end part of the valve body; the bottom end part of the matching bulge and the valve body is contacted, so that finish machining can be performed only on the matching bulge, the machining cost is reduced, and the bottom end parts of the flow channel body and the valve body are more attached.
The utility model also provides a piezoelectricity injection valve, including foretell runner fast loading and unloading device.
The utility model also provides a dispensing valve, including foretell piezoelectricity injection valve.
The utility model has the advantages that: the utility model discloses a runner fast loading and unloading device combines the design of the locking lever that the rotation is installed on the collet of valve body bottom through rotating, can hold the runner body when making the collet rotate upwards, and after shifting the locking lever into the side channel of supporting seat, screw up lock nut and can clamp the runner body between the bottom end of valve body and collet, accomplish the installation of valve body; when dismantling, only need unscrew lock nut, then with the locking lever roll-over side groove, alright relieve the collet to the compressing tightly of runner body fast, lose the runner body that the collet compressed tightly, can directly take off from the valve body, the operation is very simple and convenient, very big simplification the maintenance flow.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an exploded view of the rapid loading and unloading device for a flow channel of the present invention;
FIG. 2 is a three-dimensional schematic view of the flow channel quick assembling and disassembling device of the present invention;
FIG. 3 is a schematic cross-sectional view of the quick assembling and disassembling device for flow passages of the present invention;
FIG. 4 is a schematic view of the direction A-A in FIG. 3;
FIG. 5 is a schematic front view of the quick assembling and disassembling device for flow passages of the present invention;
FIG. 6 is a three-dimensional schematic view of the runner quick-mounting/dismounting device of the present invention;
FIG. 7 is a three-dimensional schematic view of a flow channel assembly of the flow channel quick-release apparatus of the present invention;
fig. 8 is a schematic view of the flow channel quick assembling and disassembling device of the present invention, in which the lock rod is installed on the bottom support.
In the figure: 1. a valve body 11, a mounting hole 12 and a sliding hole;
2. the flow channel assembly comprises a flow channel assembly 21, a flow channel body 211, a positioning hole 212, a flow channel 213, a matching bulge 22, a striker 23, a guide sleeve 24, a threaded sleeve 25 and a nozzle;
3. a bottom support 31, a clamping groove 32 and a long hole;
4. a lock lever;
5. locking the nut;
6. a support seat 61 and a side groove;
7. positioning rods 71, elongated slots;
8. a spring;
9. a limiting rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-8, a flow channel quick-mounting and-dismounting device for a piezoelectric injection valve, the piezoelectric injection valve includes a valve body 1 and a flow channel assembly 2 disposed at the bottom end of the valve body 1, the flow channel assembly 2 has a flow channel body 21 and a striker 22 located on the flow channel body 21, the striker 22 is inserted into the valve body 1 from a mounting hole 11 at the bottom end of the valve body 1, the flow channel quick-mounting and-dismounting device includes a bottom support 3 and a support base 6;
one end of the bottom support 3 is rotatably arranged at the bottom end of the valve body 1, the other end of the bottom support is rotatably provided with a lock rod 4, and the lock rod 4 is in threaded connection with a locking nut 5;
the supporting seat 6 is fixed on the valve body 1 and is positioned above the bottom support 3, the supporting seat 6 is provided with a side groove 61 for the locking rod 4 to be screwed in or out, when the locking rod 4 is positioned in the side groove 61 and the locking nut 5 is screwed to abut against the upper surface of the supporting seat 6, the bottom support 3 abuts against the flow passage body 21 upwards, and the flow passage body 21 abuts against the end part of the bottom end of the valve body 1 upwards.
In this embodiment, the upper surface of the bottom support 3 at the end of the lock rod 4 is provided with a clamping groove 31 downward, the clamping groove 31 is matched with the flow channel body 21, and when the bottom support 3 upwards supports against the flow channel body 21 and the flow channel body 21 upwards supports against the end part of the bottom end of the valve body 1, the flow channel body 21 is positioned in the clamping groove 31; the clamping groove 31 is used for clamping the flow channel body 21, so that the flow channel body 21 can be prevented from deflecting left and right, and the mounting stability of the flow channel body 21 on the valve body 1 is improved.
The flow passage comprises a flow passage body 21 and a positioning rod 7, wherein the flow passage body comprises a bottom end, a bottom end and a bottom end, the bottom end is provided with a valve body 1, the positioning rod 7 is arranged at the bottom end of the valve body 1, the lower end of the positioning rod 7 protrudes out of the bottom end of the valve body 1, the flow passage body 21 is provided with a positioning hole 211 matched with the positioning rod 7, and the positioning rod 7; the positioning rod 7 is engaged with the positioning hole 211 of the flow path body 21, and the mounting hole 11 of the valve body 1 is engaged with the striker 22 of the flow path body 21, so that the flow path body 21 can be positioned at the bottom end of the valve body 1, and the flow path body 21 has only a degree of freedom of movement in the axial direction of the positioning rod 7.
Specifically, a guide sleeve 23 matched with the mounting hole 11 is fixed on the runner body 21, and the top end of the striker 22 penetrates through the guide sleeve 23; the guide sleeve 23 of the flow path body 21 is inserted into the mounting hole 11, and the positioning rod 7 is engaged with the guide sleeve 23 to position the flow path body 21 at the bottom end of the valve body 1.
In the embodiment, the bottom end of the valve body 1 is provided with a sliding hole 12 matched with the positioning rod 7, the positioning rod 7 is arranged in the sliding hole 12 in a sliding mode, a spring 8 is arranged between the upper end of the positioning rod 7 and the hole bottom of the sliding hole 12, one end of the spring 8 abuts against the hole bottom of the sliding hole 12, the other end of the spring 8 abuts against the upper end of the positioning rod 7, and the lower end of the positioning rod 7 abuts against the hole bottom of the positioning hole 211; therefore, certain elasticity exists between the flow channel body 21 and the valve body 1, the friction force between the internal thread of the locking nut 5 and the external thread of the locking rod 4 can be improved, and the locking nut 5 can be effectively prevented from being loosened due to vibration when the valve body 1 works normally, so that the flow channel body 21 is prevented from being easily loosened, and the dispensing effect is ensured; at the same time, the spring 8 also helps to push the flow path body 21 downward to be separated from the bottom end of the valve body 1 when disassembled.
In the embodiment, the positioning rod 7 is provided with an elongated slot 71, the valve body 1 is in threaded connection with a limiting rod 9, the limiting rod 9 is in threaded connection with the valve body 1, and the limiting rod 9 is inserted into the elongated slot 71; the stopper rod 9 is inserted into the elongated groove 71 of the positioning rod 7, so that the positioning rod 7 is prevented from falling out of the slide hole 12, and the sliding stroke of the positioning rod 7 is limited within the length range of the elongated groove 71.
In this embodiment, the locking rod 4 is rotatably mounted on the front side and the rear side of the bottom support 3, the side grooves 61 are formed on the front side and the rear side of the supporting seat 6, and the locking rod 4 is located in the side groove 61 on the side where the locking rod is located.
The upper surface of the flow path body 21 in this embodiment has a fitting projection 213, and the upper surface of the fitting projection 213 is in contact with the bottom end of the valve body 1; the matching protrusion 213 is contacted with the bottom end of the valve body 1, so that the upper surface of the matching protrusion 213 can be finely processed, the processing cost is reduced, the flow channel body 21 is more attached to the bottom end of the valve body 1, and the mounting stability of the flow channel body 21 is improved; specifically, there are two fitting projections 213 on the shoe 3, which are respectively in contact with the left and right ends of the bottom end portion of the valve body 1.
The bottom end of the flow channel body 21 in this embodiment is in threaded connection with a threaded sleeve 24, the nozzle 25 is located in the threaded sleeve 24, the striker 22 extends into the nozzle 25, and the flow channel body 21 is provided with a flow channel 212 communicated with the nozzle 25; the bottom support 3 is provided with a long hole 32 for the threaded sleeve 24 to pass through.
The operating principle of the runner quick assembly and disassembly device of the embodiment is as follows:
when the flow channel assembly 2 is installed: firstly, aligning a guide sleeve 23 on a flow channel body 21 with a mounting hole 11 at the bottom end of a valve body 1, then rotating the flow channel body 21 to align a positioning hole 211 on the flow channel body with a positioning rod 7 on the valve body 1, and moving the flow channel body 21 upwards to insert the positioning rod 7 into the positioning hole 211, so that the flow channel body 21 is positioned on the valve body 1; then the bottom support 3 is rotated upwards, so that the bottom support 3 supports the runner body 21, and the lock rod 4 is rotated to the side groove 61 of the support seat 6; finally, the locking nut 5 is screwed down to enable the locking nut 5 to abut against the upper surface of the supporting seat 6, so that the flow channel body 21 can be clamped between the bottom end part of the valve body 1 and the bottom support 3, and the valve body 1 is installed;
when flow channel assembly 2 is dismantled, only need unscrew lock nut 5, then with locking lever 4 roll-out side groove 61, alright downwardly rotating collet 3, remove 3 the compressing tightly of convection current way body 21 of collet fast, lose the flow channel body 21 that collet 3 compressed tightly, can directly take out from the bottom of valve body 1, operate very portably, very big simplification the maintenance flow.
Wherein, the locating lever 7 is supported tightly on runner body 21 all the time under the effect of spring 8 to make runner body 21 be in the state that compresses tightly always, increase the steadiness of runner body 21 installation on valve body 1, cause runner body 21's vibrations when preventing piezoelectric injection valve high frequency oscillation, can effectively improve the effect of gluing.
Example 2
The utility model also provides a piezoelectricity injection valve, including foretell runner fast loading and unloading device.
Example 3
The utility model also provides a dispensing valve, including the piezoelectricity injection valve among the above-mentioned embodiment 2.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a runner fast loading and unloading device for piezoelectric injection valve, this piezoelectric injection valve includes valve body (1) and disposes runner subassembly (2) in valve body (1) bottom, and runner subassembly (2) have runner body (21) and be located firing pin (22) on runner body (21), and firing pin (22) are inserted in valve body (1) from mounting hole (11) at valve body (1) bottom, its characterized in that: the quick flow channel assembling and disassembling device comprises a bottom support (3) and a supporting seat (6);
one end of the bottom support (3) is rotatably arranged at the bottom end of the valve body (1), the other end of the bottom support is rotatably provided with a lock rod (4), and the lock rod (4) is in threaded connection with a locking nut (5);
supporting seat (6) are fixed on valve body (1) to be located the top of collet (3), set up side channel (61) that supply locking lever (4) screw in or screw out on supporting seat (6), when locking lever (4) are located side channel (61) and lock nut (5) are screwed up to the upper surface that supports supporting seat (6), collet (3) upwards support runner body (21), and runner body (21) upwards support the bottom tip of valve body (1).
2. The runner quick-attach and detach device according to claim 1, wherein: bottom support (3) are located the upper surface downward of locking lever (4) place end and have been seted up draw-in groove (31), draw-in groove (31) and runner body (21) phase-match, upwards support runner body (21) when bottom support (3), and when runner body (21) upwards supported the bottom tip of valve body (1), runner body (21) were located draw-in groove (31).
3. The runner quick-attach and detach device according to claim 1, wherein: the flow passage comprises a flow passage body (21) and is characterized by further comprising a positioning rod (7), wherein the positioning rod (7) is arranged at the bottom end of the valve body (1), the lower end of the positioning rod (7) protrudes out of the end portion of the bottom end of the valve body (1), a positioning hole (211) matched with the positioning rod (7) is formed in the flow passage body (21), and the positioning rod (7) is inserted into the positioning hole (211).
4. The runner quick-attach and detach device according to claim 3, wherein: a guide sleeve (23) matched with the mounting hole (11) is fixed on the runner body (21), and the top end of the firing pin (22) penetrates through the guide sleeve (23).
5. The runner quick-attach and detach device according to claim 3, wherein: the bottom of valve body (1) seted up with locating lever (7) assorted slide opening (12), locating lever (7) slide and set up in slide opening (12), be equipped with spring (8) between the upper end of locating lever (7) and the hole bottom of slide opening (12), the one end of spring (8) supports the hole bottom at slide opening (12), and the other end supports the upper end of locating lever (7), the lower extreme of locating lever (7) supports the hole bottom of locating hole (211).
6. The runner quick-attach and detach device according to claim 5, wherein: an elongated slot (71) is formed in the positioning rod (7), a limiting rod (9) is connected to the valve body (1) in a threaded mode, the limiting rod (9) is connected with the valve body (1) in a threaded mode, and the limiting rod (9) is inserted into the elongated slot (71).
7. The runner quick-attach and detach device according to claim 1, wherein: the front side and the rear side of the bottom support (3) are respectively provided with one locking rod (4), the front side and the rear side of the supporting seat (6) are respectively provided with one side groove (61), and the locking rod (4) is positioned in the side groove (61) on the side where the locking rod is positioned.
8. The runner quick-attach and detach device according to claim 1, wherein: the upper surface of runner body (21) has cooperation arch (213), the upper surface of cooperation arch (213) and the bottom end contact of valve body (1).
9. A piezoelectric injection valve characterized by: comprising a runner quick-release device according to any one of claims 1-8.
10. A dispensing valve is characterized in that: comprising a piezoelectric injection valve as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522363.9U CN213255421U (en) | 2020-07-28 | 2020-07-28 | Glue dispenser, piezoelectric injection valve and runner quick assembly and disassembly device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522363.9U CN213255421U (en) | 2020-07-28 | 2020-07-28 | Glue dispenser, piezoelectric injection valve and runner quick assembly and disassembly device thereof |
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| Publication Number | Publication Date |
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| CN213255421U true CN213255421U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021522363.9U Active CN213255421U (en) | 2020-07-28 | 2020-07-28 | Glue dispenser, piezoelectric injection valve and runner quick assembly and disassembly device thereof |
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| CN (1) | CN213255421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233911A (en) * | 2022-02-21 | 2022-03-25 | 常州铭赛机器人科技股份有限公司 | Quick-release quick-lock mechanism for flow channel |
-
2020
- 2020-07-28 CN CN202021522363.9U patent/CN213255421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233911A (en) * | 2022-02-21 | 2022-03-25 | 常州铭赛机器人科技股份有限公司 | Quick-release quick-lock mechanism for flow channel |
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