High-capacity dispensing needle cylinder

Abstract

The utility model discloses a high-capacity dispensing needle cylinder which comprises a body, a conical push rod is arranged in the center of the body, a first sealing cover and a second sealing cover are arranged in the body, and a circle of heating pieces are arranged on the inner wall of the body. By means of the structure, the spiral driving part of the conical push rod partially penetrates through the first sealing cover and the second sealing cover, the transmission key block is arranged to fix the first sealing cover and the second sealing cover, the rubber gaskets arranged on the outer rings of the first sealing cover and the second sealing cover are attached to the inner wall of the body, and the silica gel ring is arranged at the position, meshed with the threaded hole, of the spiral driving part. The space between the bearing groove of the first sealing cover and the butt joint convex groove of the second sealing cover is filled with sealant, the heating piece arranged on the inner wall of the body heats glue in the needle cylinder, the good fluidity of the glue is kept, the spiral driving part stirs the glue in the body and can also rotate in the glue flow guide nozzle, and blocking of the glue at the glue flow guide nozzle is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to point glue needle cylinder technical field, especially point to a kind of large capacity point glue needle cylinder. BACKGROUND

[0002] Point glue process is mainly fixed to electronic component, and the waterproof needs of specific electronic component are sealed, and traditional manual gluing mode cannot meet the needs of modern process, and mechanical automation operation appears, and in order to control the glue amount of electronic component, point glue needle cylinder, a precise gluing tool, is needed.

[0003] Point glue needle cylinder is generally composed of needle cylinder body, push rod, glue nozzle and other components, and these components realize accurate control of glue through cooperative work, and the existing point glue needle cylinder generally has small capacity, and small capacity has high flexibility, but glue replacement is too cumbersome during frequent point glue working process, which can affect production efficiency, and frequent glue replacement can cause production process interruption, reduce the continuity and stability of production line, increase the workload of operator, the automation degree cannot reach the expectation, and glue can be left in needle cylinder, causing waste. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a large capacity point glue needle cylinder, which realizes good sealing of the device through cooperative work of various components, ensures good fluidity of glue in the needle cylinder, prevents glue from being blocked in the device, has high point glue precision during processing, and is provided with an automatic feeding device to ensure timely supplement of glue when the glue is insufficient.

[0005] In order to achieve the above-mentioned purpose, a large capacity point glue needle cylinder is provided, which comprises a body, a conical push rod is arranged at the center of the body, a first sealing cover and a second sealing cover are arranged inside the body, and a ring of heating pieces is arranged on the inner wall of the body.

[0006] According to the large capacity point glue needle cylinder, screw holes are arranged at the centers of the first sealing cover and the second sealing cover, a screw driving part is arranged on the conical push rod, the screw driving part is engaged with the screw holes and penetrates through the first sealing cover and the second sealing cover, a transmission key block is arranged at a specified position of the screw driving part, and the transmission key block is tightly combined with the clamping grooves of the first sealing cover and the second sealing cover.

[0007] According to the large capacity point glue needle cylinder, a silica gel ring is arranged in the inner ring of the first sealing cover and the second sealing cover, the silica gel ring is combined with the conical push rod, a rubber gasket is arranged in the outer ring of the first sealing cover and the second sealing cover, and the rubber gasket is combined with the inner wall of the body.

[0008] According to the large capacity point glue needle cylinder, a feeding hole is arranged on the first sealing cover and the second sealing cover, and a one-way glue valve is arranged in the feeding hole.

[0009] According to the large-capacity dispensing needle cylinder, the first sealing cover is provided with a receiving groove on one side, the second sealing cover is provided with a butt protruding groove on one side, the receiving groove and the butt protruding groove are tightly embedded, and sealing glue is filled between the receiving groove and the butt protruding groove.

[0010] According to the large-capacity dispensing needle cylinder, the body is provided with a temperature controller on the side surface, and the temperature controller is connected with a heating sheet.

[0011] According to the large-capacity dispensing needle cylinder, a residual amount detector is arranged in the second sealing cover, and a glue guide nozzle is arranged on one side of the body.

[0012] Beneficial effects:

[0013] 1. The conical push rod is provided with a screw driving part which can accurately control the output of glue by rotating through threads, part of the screw driving part of the conical push rod penetrates through the first sealing cover and the second sealing cover, a transmission key block is arranged to fix the first sealing cover and the second sealing cover, the conical push rod rotates to drive the first sealing cover and the second sealing cover, the screw driving part can stir the glue in the body, when the conical push rod is pushed to the bottom, the screw driving part rotates in the glue guide nozzle, effectively preventing the glue guide nozzle from being blocked due to increased viscosity of the glue.

[0014] 2. The heating sheet arranged on the inner wall of the body heats the glue in the needle cylinder, so that the glue always maintains good fluidity, facilitating the extrusion and use of the glue, the rubber gasket on the outer circle of the first sealing cover and the second sealing cover is attached to the inner wall of the body, a silica gel ring is arranged at the thread hole engaged by the screw driving part, and sealing glue is filled between the receiving groove of the first sealing cover and the butt protruding groove of the second sealing cover, so that the overall sealing performance of the needle cylinder is greatly enhanced, glue leakage is effectively prevented, and the stability of the glue during storage and use is ensured.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 A sectional view of a large-capacity dispensing needle cylinder according to the present application is shown in the figure.

[0018] Figure 2 A perspective view of a large-capacity dispensing needle cylinder according to the present application is shown in the figure.

[0019] Figure 3The utility model provides a structure schematic drawing of the side surface of the middle sealing cover of a large capacity glue dispensing needle cylinder.

[0020] Figure 4 The utility model provides a structure schematic drawing of the section view of the middle sealing cover of a large capacity glue dispensing needle cylinder.

[0021] Legend:

[0022] 1, body;2, conical push rod;3, glue guide nozzle;4, heating sheet;5, one-way glue valve;6, material adding channel;7, screw driving part;8, temperature controller;9, first sealing cover;10, second sealing cover;11, screw hole;12, receiving groove;13, sealing glue;14, butt joint convex slot;15, excess amount detector;16, transmission key block;17, rubber gasket;18, silica gel ring. Specific embodiment

[0023] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figures 1-4 The utility model discloses a large capacity glue dispensing needle cylinder, which comprises a body 1, the body 1 is provided with a conical push rod 2 in the center, the body 1 is internally provided with a first sealing cover 9 and a second sealing cover 10, and a ring of heating sheets 4 is arranged on the inner wall of the body 1.

[0025] The first sealing cover 9 and the second sealing cover 10 are provided with screw holes 11 in the center, the conical push rod 2 is provided with a screw driving part 7, the screw driving part 7 is engaged with the screw holes 11, and the screw driving part 7 passes through the first sealing cover 9 and the second sealing cover 10, the screw driving part 7 is provided with a transmission key block 16 at a specified position, the transmission key block 16 is tightly combined with the clamping groove of the first sealing cover 9 and the second sealing cover 10, and the transmission key block 16 drives the sealing cover to rotate when the conical push rod 2 rotates.

[0026] The first sealing cover 9 and the second sealing cover 10 are provided with silica gel rings 18 in the inner circle, the silica gel rings 18 are combined with the conical push rod 2, the first sealing cover 9 and the second sealing cover 10 are provided with rubber gaskets 17 in the outer circle, the rubber gaskets 17 are combined with the inner wall of the body 1, the rubber gaskets 17 are combined with the inner wall of the body 1, and the sealing property of the needle cylinder is enhanced.

[0027] The first sealing cover 9 and the second sealing cover 10 are provided with a feeding channel 6, the feeding channel 6 is provided with a one-way glue valve 5, the one-way glue valve 5 controls the glue to flow into the syringe in one direction only, avoiding the glue to flow out or backflow when not needed.

[0028] The first sealing cover 9 is provided with a receiving groove 12 on one side, the second sealing cover 10 is provided with a butt protruding groove 14 on one side, the receiving groove 12 and the butt protruding groove 14 are tightly fitted, and the receiving groove 12 and the butt protruding groove 14 are filled with sealing glue 13, which further improves the sealing performance.

[0029] The body 1 is provided with a temperature controller 8 on one side, the temperature controller 8 is connected with the heating sheet 4, and the temperature controller 8 controls the heating sheet 4 to heat.

[0030] The second sealing cover 10 is provided with a residual amount detector 15, the body 1 is provided with a glue guide nozzle 3 on one side, and the residual amount detector 15 monitors the residual amount of the glue in the syringe in real time, so as to supplement the glue in time.

[0031] Working principle: the large-capacity syringe body 1 is provided with a first sealing cover 9 and a second sealing cover 10, the rubber gasket 17 on the outer ring of the first sealing cover 9 and the second sealing cover 10 is attached to the inner wall of the body 1, thereby enhancing the overall sealing performance of the syringe, the threaded hole 11 in the center of the first sealing cover 9 and the second sealing cover 10 is engaged with the screw driving part 7 of the conical push rod 2, part of the screw driving part 7 penetrates through the first sealing cover 9 and the second sealing cover 10, the screw driving part 7 is provided with a silica gel ring 18 at the position where the threaded hole 11 is engaged, so as to prevent the glue from leaking from the conical push rod 2, the transmission key block 16 provided at a specified position of the screw driving part 7 of the conical push rod 2 is tightly attached to the clamping groove of the first sealing cover 9 and the second sealing cover 10, the conical push rod 2 rotates and advances, the first sealing cover 9 and the second sealing cover 10 are driven to rotate by the transmission key block 16, part of the screw driving part 7 penetrating through the first sealing cover 9 and the second sealing cover 10 stirs the glue in the body 1, the heating sheet 4 on the inner wall of the body 1 is controlled by the temperature controller 8 to heat the glue in the syringe, so as to ensure that the glue always maintains good fluidity, when the conical push rod 2 pushes the first sealing cover 9 and the second sealing cover 10 to the bottom of the body 1, the screw driving part 7 reaches the glue guide nozzle 3 outlet, pushes out the glue that may be blocked in the glue guide nozzle 3, the receiving groove 12 of the first sealing cover 9 is tightly fitted with the butt protruding groove 14 of the second sealing cover 10, and the receiving groove 12 and the butt protruding groove 14 are filled with sealing glue 13, the residual amount detector 15 provided on the second sealing cover 10 monitors the residual amount of the glue in the syringe in real time, so as to supplement the glue in time when the glue is insufficient, the glue is added from the feeding channel 6 provided on the first sealing cover 9 and the second sealing cover 10, the one-way glue valve 5 provided on the feeding channel 6 controls the glue to flow into the syringe in one direction only, avoiding the glue to flow out or backflow when not needed.

[0032] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A high capacity dispensing barrel comprising a body (1) characterised in that: The body (1) is provided with a conical push rod (2) in the center, the body (1) is provided with a first sealing cover (9) and a second sealing cover (10) inside, and the inner wall of the body (1) is provided with a ring of heating fins (4).

2. The large capacity dispensing barrel of claim 1, wherein, The first sealing cover (9) and the second sealing cover (10) are provided with threaded holes (11) in the center, the conical push rod (2) is provided with a spiral driving part (7), the spiral driving part (7) is engaged with the threaded holes (11), and the spiral driving part (7) passes through the first sealing cover (9) and the second sealing cover (10), the spiral driving part (7) is provided with a transmission key block (16) at a specified position, and the transmission key block (16) is tightly combined with the clamping grooves of the first sealing cover (9) and the second sealing cover (10).

3. The large capacity dispensing barrel of claim 1, wherein, The first sealing cover (9) and the second sealing cover (10) are provided with silica gel rings (18) in the inner ring, the silica gel rings (18) are combined with the conical push rod (2), and the first sealing cover (9) and the second sealing cover (10) are provided with rubber gaskets (17) in the outer ring, and the rubber gaskets (17) are combined with the inner wall of the body (1).

4. The large capacity dispensing barrel of claim 1 wherein, The first sealing cover (9) and the second sealing cover (10) are provided with material adding channels (6), and the material adding channels (6) are provided with one-way glue valves (5).

5. The large capacity dispensing barrel of claim 1 wherein, One side of the first sealing cover (9) is provided with a receiving groove (12), one side of the second sealing cover (10) is provided with a butt protruding groove (14), the receiving groove (12) is tightly combined with the butt protruding groove (14), and the receiving groove (12) and the butt protruding groove (14) are filled with sealing glue (13).

6. The large capacity dispensing barrel of claim 1 wherein, The body (1) is provided with a temperature controller (8) on the side, and the temperature controller (8) is connected with the heating fins (4).

7. The large capacity dispensing barrel of claim 1 wherein, The second sealing cover (10) is provided with a residual amount detector (15) inside, and the body (1) is provided with a glue guiding nozzle (3) on one side.

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