CN109107825B - Heating assembly of dispensing needle cylinder - Google Patents
Heating assembly of dispensing needle cylinder Download PDFInfo
- Publication number
- CN109107825B CN109107825B CN201811317872.5A CN201811317872A CN109107825B CN 109107825 B CN109107825 B CN 109107825B CN 201811317872 A CN201811317872 A CN 201811317872A CN 109107825 B CN109107825 B CN 109107825B
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- China
- Prior art keywords
- dispensing
- sleeve
- needle cylinder
- wire drawing
- heating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a heating component of a dispensing needle cylinder, which comprises a sleeve, a heating element and an anti-wiredrawing component, wherein the sleeve is of an annular structure with openings at the upper end and the lower end, the sleeve is sleeved on the outer side of the dispensing needle cylinder, and the heating element is arranged on the sleeve; the wire drawing prevention assembly is arranged below the dispensing end part of the dispensing needle cylinder, the wire drawing prevention assembly is rotatably arranged, and the rotating axis direction of the wire drawing prevention assembly is perpendicular to the axis direction of the dispensing needle cylinder; and the colloid wire drawing at the end part of the dispensing end of the cutting-point colloid needle cylinder under the rotation state of the wire drawing prevention assembly. The invention provides a heating component of a dispensing needle cylinder, which can effectively reduce the generation of colloid wiredrawing and eliminate the colloid wiredrawing generated during dispensing.
Description
Technical Field
The invention belongs to the field of dispensing equipment, and particularly relates to a heating assembly of a dispensing needle cylinder.
Background
In industrial production, the dispensing processing of a workpiece is one of very important working procedures, the dispensing precision and the dispensing form have certain influence on the product, in the actual dispensing process, the melting state of colloid is different due to the environment or sol temperature, or the orifice of a dispensing needle cylinder is blocked, and the like, when the dispensing needle cylinder is lifted after dispensing, a section of colloid wiredrawing can appear at a dispensing opening, so that the appearance and the product performance are seriously influenced on the product because the adhesive solution after wiredrawing is remained on the product, the next dispensing operation is also influenced to a certain extent, and the dispensing needle cylinder can stay with a certain volume of the adhesive, is easy to condense in a low-temperature environment, and further leads to the generation of colloid wiredrawing.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the heating component of the dispensing needle cylinder, which can effectively reduce the generation of colloid wiredrawing and eliminate the colloid wiredrawing generated during dispensing.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the invention is as follows:
the heating component of the dispensing needle cylinder comprises a sleeve, a heating element and an anti-wiredrawing component, wherein the sleeve is of an annular structure with openings at the upper end and the lower end, the sleeve is sleeved on the outer side of the dispensing needle cylinder, and the heating element is arranged on the sleeve; the wire drawing prevention assembly is arranged below the dispensing end part of the dispensing needle cylinder, the wire drawing prevention assembly is rotatably arranged, and the rotating axis direction of the wire drawing prevention assembly is perpendicular to the axis direction of the dispensing needle cylinder; and the colloid wire drawing at the end part of the dispensing end of the cutting-point colloid needle cylinder under the rotation state of the wire drawing prevention assembly.
Further, prevent wire drawing subassembly includes shredding cutter and turning block, two fixed lug symmetries set up in the lateral wall both sides of point gum needle cylinder, just fixed lug is close to telescopic bottom tip setting, two the turning block rotates respectively and sets up on two fixed lugs, and the plane of rotation of two turning blocks is parallel to each other, the axis of rotation of turning block is the horizontal direction, shredding cutter is horizontal between two turning blocks, just shredding cutter interval point gum needle cylinder's point gum terminal portion.
Further, the shredding cutter is a heating resistance wire, two ends of the shredding cutter respectively extend to form connecting portions, and the connecting portions are tightly clung to the rotating blocks and extend upwards.
Further, the sleeve comprises an outer ring layer and an inner ring layer, an annular mounting cavity is formed between the outer ring layer and the inner ring layer, and the heating element is arranged in the mounting cavity.
Further, the heating element is two independent resistance wires, each resistance wire is wound along the axial direction of the sleeve, the two resistance wires are wound at intervals in a staggered mode, the two connecting parts respectively extend into the mounting cavity and are respectively and electrically connected with one end of one resistance wire, and the other ends of the two resistance wires are connected with a power supply to form an electrical loop.
Further, the rotating block comprises a hanging rod and a deflection block, one end of the hanging rod is rotated on the fixed lifting lug, the other end of the hanging rod is connected with the deflection block, the deflection block is a plate body in a fan shape, and the arc-shaped surface of a larger arc of the deflection block is arranged downwards.
Further, the top end of the sleeve is provided with a supporting plate, the upper top surface of the supporting plate is concavely provided with at least one groove, and a permanent magnet is arranged in the groove.
The beneficial effects are that: according to the invention, the temperature of the sol in the dispensing needle cylinder and the melting state of the sol can be effectively maintained through the heating effect of the heating element, the dispensing of the dispensing opening is facilitated, meanwhile, the wire drawing preventing assembly below the dispensing end rotates in the direction perpendicular to the axis of the dispensing needle cylinder, and the wire drawing of the colloid lifted on the dispensing needle cylinder is directly cut, so that the device is simple and convenient; the cutting tool is a heating resistance wire, and the heating resistance wire is enabled to rotate and cut through the deflection swinging effect generated by the dead weight of the deflection block, so that the whole structure is simple and the design is ingenious.
Drawings
FIG. 1 is a front view of the whole structure of the invention in a state of being matched with a dispensing needle cylinder;
FIG. 2 is an enlarged schematic view of the part A of the present invention;
FIG. 3 is a schematic perspective view of the anti-wiredrawing assembly of the present invention;
FIG. 4 is a schematic illustration of deflection of the anti-wire assembly of the present invention in a spot gel state;
FIG. 5 is a schematic perspective view of a sleeve according to the present invention;
FIG. 6 is a schematic view of another view of the sleeve of the present invention;
fig. 7 is a schematic view in semi-section of a sleeve according to the invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a heating assembly of a dispensing syringe comprises a sleeve 21, a heating element 20 and an anti-wiredrawing assembly 2, wherein the sleeve 21 is of an annular structure with openings at the upper end and the lower end, the sleeve 21 is sleeved on the outer side of the dispensing syringe 1, and the heating element 20 is arranged on the sleeve 21; the wire drawing prevention assembly 2 is arranged below the dispensing end part of the dispensing needle cylinder 1, the wire drawing prevention assembly 2 is rotatably arranged, and the rotation axis direction of the wire drawing prevention assembly 2 is perpendicular to the axis direction of the dispensing needle cylinder 1; and the glue at the end part of the dispensing end of the glue cylinder 1 is drawn by the glue at the cutting point under the rotation state of the wire drawing prevention assembly 2. According to the invention, the temperature of the sol in the dispensing needle cylinder and the melting state of the sol can be effectively maintained through the heating effect of the heating element, the dispensing of the dispensing opening is facilitated, meanwhile, the wire drawing preventing assembly below the dispensing end rotates in the direction perpendicular to the axis of the dispensing needle cylinder, and the wire drawing of the colloid lifted on the dispensing needle cylinder is directly cut, so that the device is simple and convenient;
as shown in fig. 2 to 4, the wire drawing preventing assembly 2 includes a wire cutting tool 7 and a rotating block 5, two fixing lifting lugs 4 are symmetrically arranged on two sides of an outer side wall of the sleeve 21, and the fixing lifting lugs 4 are close to bottom end parts of the sleeve 21, two rotating blocks 5 are respectively and rotatably arranged on the two fixing lifting lugs 4, and rotating planes of the two rotating blocks 5 are parallel to each other, a rotating axis of the rotating block 5 is in a horizontal direction, the wire cutting tool 7 is horizontally arranged between the two rotating blocks 5, and a distance between the wire cutting tool 7 and a gap are used for dispensing end part of the dispensing needle cylinder 1. When the dispensing needle cylinder is lifted, the rotating block 5 drives the shredding cutter to rotate, and the shredding cutter 7 swings below the dispensing end, so that colloid wiredrawing is cut off.
The shredding cutter 7 is a heating resistor wire, the two ends of the shredding cutter 7 respectively extend upwards to form a connecting part 6, the connecting part 6 is clung to the rotating blocks 5 and extends upwards, the heating resistor wire part between the two rotating blocks 5 is in a straight state, the two ends of the heating resistor wire part are respectively fixed on the two rotating blocks, the two connecting parts extend upwards along the rotating blocks 5, the interference of the heating resistor wire to a glue dispensing opening is avoided, and the resistor wire can be orderly arranged.
As shown in fig. 5 to 7, the sleeve 21 is of an annular structure with openings at the upper end and the lower end, the shape of the sleeve inner cavity 12 of the sleeve 21 is matched with the shape of the dispensing syringe 1, the sleeve 21 is sleeved on the outer side of the dispensing syringe 1, the supporting plate 14 is arranged at the top end of the sleeve 21, a through hole structure through which the dispensing syringe can pass is arranged on the supporting plate, the dispensing syringe 1 extends into the sleeve 21 through the supporting plate, a discharge hole of the dispensing syringe extends out of the sleeve 21, the supporting plate 14 is arranged at the driven end of the linear displacement module 25, and the heating element 20 is arranged on the sleeve 21 and is fixed and supports the sleeve 21 through the supporting plate 14. The top surface on backup pad 14 is concave to be equipped with at least one recess 16, be provided with the permanent magnet in the recess 16, utilize backup pad 14 direct absorption on the slider of the driven end of linear displacement module 25, the dismouting is very convenient.
The sleeve 21 comprises an outer ring layer 23 and an inner ring layer 22, an annular mounting cavity 13 is formed between the outer ring layer 23 and the inner ring layer 22, and the heating element 20 is arranged in the mounting cavity 13. The heating element 20 is two independent resistance wires, each resistance wire is wound along the axial direction of the sleeve 21, and the two resistance wires are wound at intervals in a staggered manner, namely, a double-spiral winding mode is formed, so that the heat is uniform, the two connecting parts 6 respectively extend into the mounting cavity 13 and are respectively electrically connected with one end of one resistance wire, and the other ends of the two resistance wires are connected with a power supply to form an electrical loop. The two heating elements 10 and the shredding cutter 7 form an electrical loop, the structure is simple, the structure is ingenious, and the heat of the resistance wire is utilized to fuse the colloid wire drawing. The inner ring layer 22 is made of iron sheet or copper sheet, on one hand, protects the resistance wire, on the other hand, can also increase the heat conduction, and the outer ring layer 23 is made of heat insulation material, so that the heat of the resistance wire is reduced to the outside as much as possible.
A battery box 15 is arranged on one side wall of the supporting plate 14, a first threading hole 18 is formed in the bottom of the battery box 15, and a second threading hole 19 is formed in one side, adjacent to the threading hole 18, of the sleeve 21. The battery box 15 is internally provided with a storage battery to provide a power supply for heating the resistance wire, the two ends of the resistance wire are respectively penetrated out from the two second threading holes 19 after being wound in the mounting cavity 13 to prevent interference, and the two ends of the resistance wire are respectively extended into the battery box through the first threading holes 18 to be connected with a storage battery circuit into a loop.
As shown in fig. 2 to 4, the rotating block 5 includes a hanging rod 9 and a deflection block 10, one end of the hanging rod 9 rotates on the fixed lifting lug 4, the other end of the hanging rod is connected with the deflection block 10, the fixed lifting lug 4 is of a block structure, a rotating groove 8 is formed by penetrating along the direction perpendicular to the axis of the dispensing syringe, the rotating groove 8 is a rectangular groove, the hanging rod 9 is of a long rod body structure with a rectangular section, an annular rotating part is formed at the top end and rotates on the fixed lifting lug, the consistency of the rotating direction of the rotating block 5 can be ensured through the rectangular rotating groove, the swinging of the rotating block 5 in one plane is ensured, the deflection block 10 is a plate body with a fan shape, and the arc-shaped surface 11 of a larger arc of the deflection block 10 is arranged downwards. The shredding cutter 7 is perpendicular to the sectors of the two deflector blocks 10, and the shredding cutter 7 is located close to the circular arc profile 11 and at the midpoint of the circular arc profile 11.
Under the natural sagging state of the deflection block 10, the shredding cutter 7 is in clearance under the dispensing opening of the dispensing needle cylinder 1, the diameter of the shredding cutter is larger than the diameter of the colloid wire drawing, when the dispensing needle cylinder is displaced downwards to dispense the glue, the deflection block 10 is firstly contacted with the upper surface of a workpiece, then under the continuous downward displacement action, the deflection block 10 passively rotates and deflects to one side of the rotating direction, so that the deflection block and the resistance wire deviate from the dispensing position, and the dispensing needle cylinder is displaced downwards and dispenses the glue at a preset position;
after the adhesive dispensing beam is dispensed, the adhesive dispensing needle cylinder moves upwards, the heating resistance wire deflects and rotates under the action of the dead weight of the deflection block and deflects to one side of an adhesive dispensing opening, the deflection block 10 is obliquely upwards moved in the upward displacement process, the adhesive after adhesive dispensing cannot be interfered, meanwhile, the deflection block 10 can cut the resistance wire relative to the adhesive wire drawing in the deflection process due to the dead weight and rotation inertia so as to cut off the adhesive wire drawing, and the deflection action starts to occur when the dead weight of the deflection block is lifted up, so that the distance between the cutting action and a workpiece is smaller, and the length of the wire drawing can be greatly reduced.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (7)
1. A heating element of point gum needle cylinder, its characterized in that: the automatic glue dispensing device comprises a sleeve (21), a heating element (20) and a wire drawing prevention assembly (2), wherein the sleeve (21) is of an annular structure with openings at the upper end and the lower end, the sleeve (21) is sleeved on the outer side of a glue dispensing needle cylinder (1), and the heating element (20) is arranged on the sleeve (21); the wire drawing prevention assembly (2) is arranged below the dispensing end part of the dispensing needle cylinder (1), the wire drawing prevention assembly (2) is rotatably arranged, and the rotation axis direction of the wire drawing prevention assembly (2) is perpendicular to the axis direction of the dispensing needle cylinder (1); the glue at the end part of the glue dispensing end of the glue dispensing cylinder (1) is cut off under the rotating state of the wire drawing prevention assembly (2);
wire drawing subassembly (2) are prevented including shredding cutter (7) and rotating block (5), shredding cutter (7) are heating resistor silk, two rotating block (5) rotate respectively and set up, and the rotation plane of two rotating blocks (5) is parallel to each other, the axis of rotation of rotating block (5) is the horizontal direction, shredding cutter (7) are horizontal between two rotating blocks (5), just shredding cutter (7) interval point gum needle cylinder (1) glue end tip.
2. The heating assembly for a dispensing syringe of claim 1, wherein: the two fixed lifting lugs (4) are symmetrically arranged on two sides of the outer side wall of the dispensing needle cylinder (1), the fixed lifting lugs (4) are arranged close to the bottom end part of the sleeve (21), and the two rotating blocks (5) are respectively and rotatably arranged on the two fixed lifting lugs (4).
3. The heating assembly for a dispensing syringe of claim 2, wherein: the two ends of the shredding cutter (7) respectively extend to form connecting parts (6), and the connecting parts (6) are clung to the rotating block (5) and extend upwards.
4. A heating assembly for a dispensing cartridge as recited in claim 3, wherein: the sleeve (21) comprises an outer ring layer (23) and an inner ring layer (22), an annular mounting cavity (13) is formed between the outer ring layer (23) and the inner ring layer (22), and the heating element (20) is arranged in the mounting cavity (13).
5. The heating assembly for a dispensing syringe of claim 4, wherein: the heating element (20) is two independent resistance wires, each resistance wire is wound along the axial direction of the sleeve (21), the two resistance wires are wound at intervals in a staggered mode, the two connecting parts (6) respectively extend into the mounting cavity (13) and are respectively and electrically connected with one end of one resistance wire, and the other ends of the two resistance wires are connected with a power supply to form an electrical loop.
6. The heating assembly for a dispensing syringe of claim 2, wherein: the rotating block (5) comprises a hanging rod (9) and a deflection block (10), one end of the hanging rod (9) is rotated on the fixed lifting lug (4), the other end of the hanging rod is connected with the deflection block (10), the deflection block (10) is a plate body in a fan-shaped shape, and a circular arc profile (11) of a larger arc of the deflection block (10) is arranged downwards.
7. The heating assembly for a dispensing syringe of claim 1, wherein: the top end of the sleeve (21) is provided with a supporting plate (14), the upper top surface of the supporting plate (14) is concavely provided with at least one groove (16), and a permanent magnet is arranged in the groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317872.5A CN109107825B (en) | 2018-11-07 | 2018-11-07 | Heating assembly of dispensing needle cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317872.5A CN109107825B (en) | 2018-11-07 | 2018-11-07 | Heating assembly of dispensing needle cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109107825A CN109107825A (en) | 2019-01-01 |
| CN109107825B true CN109107825B (en) | 2023-06-23 |
Family
ID=64853612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811317872.5A Active CN109107825B (en) | 2018-11-07 | 2018-11-07 | Heating assembly of dispensing needle cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109107825B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126342A1 (en) * | 2011-03-18 | 2012-09-27 | 常州和康医疗器材有限公司 | Structure for use in disposable injector and disposable injector |
| CN206883736U (en) * | 2017-04-17 | 2018-01-16 | 广州欣东塑胶玩具有限公司 | Sizing material shearing device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3079880B2 (en) * | 1993-12-21 | 2000-08-21 | 豊田合成株式会社 | Threading prevention device for injection mold using hot runner |
| JP2004330075A (en) * | 2003-05-07 | 2004-11-25 | Fuji Photo Film Co Ltd | Adhesive applicator |
| JP2012143678A (en) * | 2011-01-07 | 2012-08-02 | Denso Corp | Coating applicator |
| CN203508302U (en) * | 2013-09-17 | 2014-04-02 | 大陆汽车系统（天津）有限公司 | Glue injection head and glue injection machine comprising same |
| CN204955276U (en) * | 2015-08-07 | 2016-01-13 | 谢树彬 | Prevent hot mouth of plastic wire drawing |
| CN207628681U (en) * | 2017-12-19 | 2018-07-20 | 东莞市天琨电子科技有限公司 | A kind of inductance dispensing syringe of improvement |
| CN207774778U (en) * | 2017-12-26 | 2018-08-28 | 广州市白云化工实业有限公司 | A kind of rotation chasing-attachment and the bulking system comprising it |
| CN209502120U (en) * | 2018-11-07 | 2019-10-18 | 无锡商业职业技术学院 | A kind of heating of point glue equipment removes wire-drawing frame |
-
2018
- 2018-11-07 CN CN201811317872.5A patent/CN109107825B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126342A1 (en) * | 2011-03-18 | 2012-09-27 | 常州和康医疗器材有限公司 | Structure for use in disposable injector and disposable injector |
| CN206883736U (en) * | 2017-04-17 | 2018-01-16 | 广州欣东塑胶玩具有限公司 | Sizing material shearing device |
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| Publication number | Publication date |
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| CN109107825A (en) | 2019-01-01 |
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