Plunger type hot melt pump

Abstract

The utility model discloses a plunger type hot melt pump which comprises a vertically-arranged air cylinder, a glue taking cylinder sleeve with the upper end connected with a cylinder body portion of the air cylinder and a pressing disc arranged under the glue taking cylinder sleeve. The lower end of an upper linkage shaft vertically installed at the lower end of a piston rod of the air cylinder penetrates into the glue taking cylinder sleeve. A glue outlet through hole communicated with an inner cavity of the glue taking cylinder sleeve is formed in the center of the upper surface of the pressing disc, the lower end of the upper connecting shaft is connected with a lower connecting shaft through a connecting rod, and a glue taking spoon capable of extending into the glue outlet through hole of the pressing disc is installed on the vertically-extending lower connecting shaft. And a heating module is arranged on the outer side of the glue taking cylinder sleeve and between the glue outlet and the pressure plate in a sleeving manner. On the basis that continuous high-precision outward glue supply is realized through the cooperation of the pressure plate and the glue taking spoon, hot melt glue entering the glue taking cylinder sleeve can be continuously heated to ensure that the hot melt glue always has good flowability, so that the continuity of glue supply and the consistency of glue output are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of glue supply, in particular to a plunger type hot melt pump. Background Art

[0002] Photovoltaic building integration can combine solar power generation with the exterior wall of a building. A plunger pump is usually used to transport the glue in the glue barrel to the glue-spraying device, and then glue is applied to the solar cell module before it is installed on the building. The plunger pump of the prior art cannot continuously heat the glue during the transportation process, cannot ensure the good fluidity of the hot melt adhesive, easily affects the continuous glue supply, and cannot ensure the continuity of the glue supply and the consistency of the glue output. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a plunger type hot melt pump, which can continuously heat the hot melt adhesive entering the adhesive cylinder sleeve to ensure that the hot melt adhesive always has good fluidity, thereby ensuring the continuity of adhesive supply and the consistency of adhesive output.

[0004] The cam is an airtight container, the upper end of which is connected to the bottom of the container, and the lower end of the container is connected to the inner wall of the container, and the container is closed by the push-pull mechanism, and the push-pull mechanism can be turned off when the push-pull is turned on.

[0005] The further improved scheme in the above technical scheme is as follows:

[0006] 1. In the above scheme, the heating module includes a heating body with a plurality of mica heating sheets built in and a temperature sensor.

[0007] 2. In the above solution, a protective cover is provided on the outside of the heating module.

[0008] 3. In the above scheme, a round nut is mounted on the outer side of the upper end of the glue cylinder sleeve, and a fixing plate is mounted below the round nut threadedly connected to the glue cylinder sleeve and on the outer side of the glue cylinder sleeve. The lower surface of the round nut overlaps the upper surface of the fixing plate, and the fixing plate is connected to the support plate through at least two vertically arranged positioning columns.

[0009] 4. In the above scheme, the lower end of the glue cylinder sleeve is sealed and connected to a glue passing sleeve above the glue taking spoon, and the lower end of the glue passing sleeve with a sealing plate at the upper end is sealed and connected to a glue suction cylinder, and the lower end of the glue suction cylinder is embedded in the glue outlet through hole on the pressure plate.

[0010] 5. In the above scheme, a movable part that can move in the vertical direction is arranged inside the glue passing sleeve and below the sealing plate, and the sealing sleeve is mounted on the lower connecting shaft. The lower part of the movable part can be sealed and connected with the upper end of the glue sucking cylinder, so that a glue feeding chamber is formed between the glue passing sleeve, the glue sucking cylinder and the movable part. A movable sleeve is mounted on the outer side of the connecting rod, and a stopper is arranged above the movable sleeve that can move in the vertical direction. The outer surface of the lower part of the movable sleeve is sealed and connected with the inner wall of the glue taking cylinder sleeve, so that A glue storage chamber is formed between the lower part of the sleeve and the sealing plate of the glue passing sleeve. The lower part of the connecting rod has a radially outward protrusion. The lower end of the movable sleeve can be sealed with the upper surface of the protrusion, thereby forming a glue discharge chamber between the movable sleeve and the connecting rod. The glue inlet chamber and the glue storage chamber are connected through a plurality of glue passing holes opened on the sealing plate. A glue discharge hole connected to the glue discharge chamber is opened on the side wall of the upper part of the movable sleeve, and a glue discharge flow channel is provided between the glue discharge hole and the glue outlet on the glue cylinder sleeve.

[0011] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0012] The utility model discloses a plunger type hot melt pump, the lower end of an upper connecting shaft vertically installed at the lower end of the cylinder piston rod penetrates into the glue cylinder sleeve, and the upper surface of the pressure plate is provided with a glue outlet hole connected to the inner cavity of the glue cylinder sleeve at the center of the upper surface of the pressure plate, and a glue outlet is provided on the side wall of the upper end of the glue cylinder sleeve that is connected to the glue outlet hole on the pressure plate. The glue outlet is above the glue outlet and is located between the glue cylinder sleeve and the upper connecting shaft. A sealing component is arranged above the glue outlet and between the glue cylinder sleeve and the upper connecting shaft. The lower end of the upper connecting shaft connected with the piston rod of the cylinder at the upper end is connected to the lower connecting shaft through a connecting rod. A glue spoon that can be extended into the glue outlet hole of the pressure plate is installed on the vertically extending lower connecting shaft. A heating module is arranged on the outer side of the glue cylinder sleeve and between the glue outlet and the pressure plate. On the basis of realizing continuous and high-precision glue supply to the outside through the cooperation of the pressure plate and the glue spoon, the hot melt glue entering the glue cylinder sleeve can be continuously heated to ensure that the hot melt glue always has good fluidity, thereby ensuring the continuity of glue supply and the consistency of glue output. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 This is a schematic diagram of the overall structure of the plunger-type hot melt pump of the utility model;

[0014] Attached Figure 2 For the utility model Figure 1 Schematic diagram of the cross section along AA;

[0015] Attached Figure 3 For the utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0016] Attached Figure 4 It is a partial structural schematic diagram of the plunger type hot melt pump of the utility model;

[0017] Attached Figure 5 It is a partial structural sectional view of the plunger type hot melt pump of the utility model;

[0018] Attached Figure 6 For the utility model Figure 5 The enlarged schematic diagram of the center C;

[0019] Attached Figure 7 For the utility model Figure 5 Enlarged schematic diagram of point D in the middle.

[0020] In the above drawings: 1, pressure plate; 2, heating module; 3, protective cover; 4, glue outlet hole; 5, lower connecting shaft; 6, glue spoon; 7, movable part; 8, movable sleeve; 81, glue outlet hole; 9, glue inlet chamber; 10, glue storage chamber; 11, glue outlet chamber; 12, glue outlet channel; 13, retaining ring; 14, lower nut; 141, first flange; 15, glue sleeve; 151, sealing plate; 152, glue outlet hole; 16, Glue suction cylinder; 161, second flange portion; 17, connecting rod; 171, raised portion; 18, connecting sleeve; 19, flange ring; 20, sealing gasket; 21, cylinder; 211, cylinder body; 212, piston rod; 22, glue cylinder sleeve; 24, upper connecting shaft; 241, stopper; 251, round nut; 252, fixing plate; 253, positioning column; 254, support plate; 26, glue outlet; 28, sealing assembly. DETAILED DESCRIPTION

[0021] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0022] Embodiment 1: A plunger hot melt pump, comprising: a vertically arranged cylinder 21, a glue cylinder sleeve 22 connected to the cylinder body 211 of the cylinder 21 at the upper end, and a pressure plate 1 arranged directly below the glue cylinder sleeve 22, a lower end of an upper link shaft 24 vertically installed at the lower end of the piston rod 212 of the cylinder 21 penetrates into the glue cylinder sleeve 22, a glue outlet through hole 4 connected to the inner cavity of the glue cylinder sleeve 22 is provided in the center of the upper surface of the pressure plate 1, and a glue outlet through hole 4 at the upper end of the glue cylinder sleeve 22 connected to the glue outlet through hole 4 on the pressure plate 1 is provided. A glue outlet 26 is provided on the side wall, a sealing assembly 28 is provided above the glue outlet 26 and between the glue cylinder sleeve 22 and the upper link shaft 24, the lower end of the upper link shaft 24 connected to the piston rod 212 of the cylinder 21 is connected to a lower link shaft 5 through a connecting rod 17, a glue spoon 6 which can be inserted into the glue outlet through hole 4 of the pressure plate 1 is installed on the vertically extending lower link shaft 5, and a heating module 2 is installed on the outer side of the glue cylinder sleeve 22 and between the glue outlet 26 and the pressure plate 1;

[0023] The glue liquid entering the glue dispensing cylinder sleeve always maintains good fluidity under the heating of the outer heating module to ensure the continuity of glue dispensing and the consistency of glue dispensing amount.

[0024] The heating module 2 comprises a heating body with a plurality of mica heating sheets built in and a temperature sensor.

[0025] A protective cover 3 is disposed outside the heating module 2 .

[0026] A round nut 251 is sleeved on the outer side of the upper end of the above-mentioned glue cylinder sleeve 22, and a fixing plate 252 is sleeved below the round nut 251 threadedly connected to the glue cylinder sleeve 22 and located on the outer side of the glue cylinder sleeve 22. The lower surface of the round nut 251 overlaps the upper surface of the fixing plate 252, and the fixing plate 252 is connected to the support plate 254 through at least two vertically arranged positioning columns 253.

[0027] The lower end of the above-mentioned glue cylinder sleeve 22 is sealedly connected to a glue passing sleeve 15 located above the glue taking spoon 6, and the lower end of the glue passing sleeve 15 with a sealing plate 151 at the upper end is sealedly connected to a glue suction cylinder 16, and the lower end of the glue suction cylinder 16 is embedded in the glue outlet through hole 4 on the pressure plate 1.

[0028] Embodiment 2: A plunger hot melt pump, comprising: a vertically arranged cylinder 21, a glue dispensing cylinder sleeve 22 connected to the cylinder body 211 of the cylinder 21 at the upper end, and a pressure plate 1 arranged directly below the glue dispensing cylinder sleeve 22, a lower end of an upper link shaft 24 vertically installed at the lower end of the piston rod 212 of the cylinder 21 penetrates into the glue dispensing cylinder sleeve 22, a glue dispensing through hole 4 connected to the inner cavity of the glue dispensing cylinder sleeve 22 is provided in the center of the upper surface of the pressure plate 1, and a glue dispensing through hole 4 at the upper end of the glue dispensing cylinder sleeve 22 is connected to the glue dispensing through hole 4 on the pressure plate 1 A glue outlet 26 is provided on the side wall, a sealing assembly 28 is provided above the glue outlet 26 and between the glue cylinder sleeve 22 and the upper link shaft 24, the lower end of the upper link shaft 24 connected to the piston rod 212 of the cylinder 21 is connected to a lower link shaft 5 through a connecting rod 17, a glue spoon 6 which can be inserted into the glue outlet through hole 4 of the pressure plate 1 is installed on the vertically extending lower link shaft 5, and a heating module 2 is installed on the outer side of the glue cylinder sleeve 22 and between the glue outlet 26 and the pressure plate 1;

[0029] When in use, the pressure plate is moved down to contact the surface of the heated liquid hot melt adhesive, and then the cylinder is started. The repeated pulling and pulling of the cylinder piston rod drives the glue spoon to continuously discharge the glue liquid in the glue outlet hole from the glue outlet of the glue cylinder sleeve.

[0030] The heating module 2 comprises a heating body with a plurality of mica heating sheets built in and a temperature sensor.

[0031] The lower end of the above-mentioned glue cylinder sleeve 22 is sealedly connected to a glue passing sleeve 15 located above the glue taking spoon 6, and the lower end of the glue passing sleeve 15 with a sealing plate 151 at the upper end is sealedly connected to a glue suction cylinder 16, and the lower end of the glue suction cylinder 16 is embedded in the glue outlet through hole 4 on the pressure plate 1.

[0032] A movable part 7 movable in the vertical direction is arranged inside the above-mentioned glue sleeve 15 and below the sealing plate 151. The lower part of the movable part 7, which is sealed on the lower connecting shaft 5, can be sealed and connected with the upper end of the glue sucking cylinder 16, so that a glue feeding chamber 9 is formed between the glue sleeve 15, the glue sucking cylinder 16 and the movable part 7. A movable sleeve 8 is sleeved on the outer side of the connecting rod 17. A stopper 241 is arranged above the movable sleeve 8 movable in the vertical direction. The outer surface of the lower part of the movable sleeve 8 is sealed and connected with the inner wall of the glue taking cylinder sleeve 22, so that the lower part of the movable sleeve 8 is sealed and connected with the glue sleeve 1 5, a glue storage chamber 10 is formed between the sealing plates 151, the lower part of the connecting rod 17 has a radially outward protrusion 171, the lower end of the movable sleeve 8 can be sealed with the upper surface of the protrusion 171, so as to form a glue discharge chamber 11 between the movable sleeve 8 and the connecting rod 17, the glue inlet chamber 9 and the glue storage chamber 10 are connected through a plurality of glue through holes 152 opened on the sealing plate 151, a glue discharge hole 81 connected to the glue discharge chamber 11 is opened on the side wall of the upper part of the movable sleeve 8, and a glue discharge flow channel 12 is provided between the glue discharge hole 81 and the glue outlet 26 on the glue cylinder sleeve 22.

[0033] The stopper 241 is disposed at the lower portion of the upper link shaft 24 .

[0034] The upper surface of the raised portion 171 on the connecting rod 17 is a conical surface with an open lower end, and the lower end of the movable sleeve 8 is provided with an inner chamfered surface that can fit with the conical surface.

[0035] A retaining ring 13 is arranged between the above-mentioned glue sleeve 15 and the glue suction tube 16. The upper surface of the retaining ring 13 is sealedly connected to the lower end surface of the glue sleeve 15 via an O-ring, and the lower surface is sealedly connected to the upper end surface of the glue suction tube 16 via an O-ring. The upper end of the retaining ring 13 is provided with an inner chamfer, and the inner chamfer surface is in sealing contact with the movable part 7.

[0036] A lower nut 14 is threadedly connected to the outer wall of the lower end of the glue cylinder sleeve 22 . The lower nut 14 is sleeved on the outer side of the glue sleeve 15 and is sealed with the outer wall of the glue sleeve 15 .

[0037] The inner wall of the lower end of the above-mentioned lower nut 14 has a first flange portion 141 radially inward, and the outer wall of the upper end of the above-mentioned glue suction tube 16 has a second flange portion 161 radially outward, the lower surface of the second flange portion 161 overlaps and contacts with the upper surface of the first flange portion 141, and the outer surface of the second flange portion 161 is sealed and connected to the inner wall of the lower nut 14.

[0038] A connecting sleeve 18 is provided between the lower nut 14 and the pressure plate 1 and outside the rubber suction tube 16. The lower end of the connecting sleeve 18 is embedded in a flange ring 19 and is sealedly connected to the inner wall of the flange ring 19. The flange ring 19 is connected to the upper surface of the pressure plate 1 by bolts, and the inner wall of the connecting sleeve 18 is sealedly connected to the outer wall of the rubber suction tube 16.

[0039] A sealing gasket 20 is arranged between the flange ring 19 and the upper surface of the pressure plate body 1 .

[0040] The working principle of the utility model is as follows:

[0041] When in use, the pressure plate is moved down to contact the surface of the heated liquid hot melt adhesive, and then the cylinder is started. The cylinder piston rod is repeatedly pulled and pulled to drive the glue spoon to continuously output the glue liquid in the glue outlet hole from the glue outlet of the glue cylinder sleeve. The glue liquid entering the glue cylinder sleeve always maintains good fluidity under the heating of the outer heating module to ensure the continuity of glue discharge and the consistency of glue discharge amount.

[0042] When the above-mentioned plunger hot melt pump is used, on the basis of realizing continuous and high-precision glue supply to the outside through the cooperation of the pressure plate and the glue spoon, the hot melt glue entering the glue cylinder sleeve can be continuously heated to ensure that the hot melt glue always has good fluidity, thereby ensuring the continuity of glue supply and the consistency of glue output.

[0043] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A plunger type hot melt pump, comprising: A vertically arranged cylinder (21), a glue cylinder sleeve (22) whose upper end is connected to the cylinder body (211) of the cylinder (21), and a pressure plate (1) arranged directly below the glue cylinder sleeve (22), characterized in that: the lower end of an upper connecting shaft (24) vertically installed at the lower end of the piston rod (212) of the cylinder (21) penetrates into the glue cylinder sleeve (22), a glue outlet through hole (4) connected to the inner cavity of the glue cylinder sleeve (22) is provided in the center of the upper surface of the pressure plate (1), and a side wall of the upper end of the glue cylinder sleeve (22) whose lower end is connected to the glue outlet through hole (4) on the pressure plate (1) is provided A glue outlet (26) is provided above the glue outlet (26) and between the glue cylinder sleeve (22) and the upper link shaft (24). The lower end of the upper link shaft (24) is connected to the piston rod (212) of the cylinder (21) through a connecting rod (17). A glue spoon (6) is installed on the vertically extending lower link shaft (5) and can be inserted into the glue outlet through hole (4) of the pressure plate (1). A heating module (2) is installed on the outer side of the glue cylinder sleeve (22) and between the glue outlet (26) and the pressure plate (1).

2. The plunger type hot melt pump according to claim 1, characterized in that: The heating module (2) comprises a heating body with a plurality of mica heating sheets built in and a temperature sensor.

3. The plunger type hot melt pump according to claim 1, characterized in that: A protective cover (3) is provided on the outside of the heating module (2).

4. The plunger type hot melt pump according to claim 1, characterized in that: A round nut (251) is sleeved on the outer side of the upper end of the glue cylinder sleeve (22), and a fixing plate (252) is sleeved below the round nut (251) threadedly connected to the glue cylinder sleeve (22) and located on the outer side of the glue cylinder sleeve (22), the lower surface of the round nut (251) overlaps the upper surface of the fixing plate (252), and the fixing plate (252) is connected to a support plate (254) via at least two vertically arranged positioning columns (253).

5. The plunger type hot melt pump according to claim 1, characterized in that: A glue passing sleeve (15) is sealedly connected to the lower end of the glue taking cylinder sleeve (22) and is located above the glue taking spoon (6). A glue sucking cylinder (16) is sealedly connected to the lower end of the glue passing sleeve (15) having a sealing plate (151) at the upper end. The lower end of the glue sucking cylinder (16) is embedded in the glue outlet through hole (4) on the pressure plate (1).

6. The plunger type hot melt pump according to claim 5, characterized in that: A movable part (7) movable in the vertical direction is arranged inside the glue passing sleeve (15) and below the sealing plate (151). The lower part of the movable part (7) is sealingly sleeved on the lower connecting shaft (5) and can be sealedly connected to the upper end of the glue sucking cylinder (16), so that a glue feeding chamber (9) is formed between the glue passing sleeve (15), the glue sucking cylinder (16) and the movable part (7). A movable sleeve (8) is sleeved on the outer side of the connecting rod (17). A stopper (241) is arranged above the movable sleeve (8) movable in the vertical direction. The outer surface of the lower part of the movable sleeve (8) is sealingly connected to the inner wall of the glue taking cylinder sleeve (22), so that the lower part of the movable sleeve (8) is sealed with the glue passing sleeve (15). A glue storage chamber (10) is formed between the sealing plates (151); the lower part of the connecting rod (17) has a radially outward protrusion (171); the lower end of the movable sleeve (8) can be sealed with the upper surface of the protrusion (171), so that a glue discharge chamber (11) is formed between the movable sleeve (8) and the connecting rod (17); the glue inlet chamber (9) and the glue storage chamber (10) are connected through a plurality of glue through holes (152) formed on the sealing plates (151); a glue discharge hole (81) connected to the glue discharge chamber (11) is formed on the side wall of the upper part of the movable sleeve (8); and a glue discharge channel (12) is provided between the glue discharge hole (81) and the glue discharge port (26) on the glue extraction cylinder sleeve (22).

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