High-safety heating type glue dispenser

Abstract

The utility model relates to the technical field of glue dispensing, in particular to a high-safety heating type glue dispenser which comprises a glue outlet valve body, a glue inlet and outlet assembly and a heating glue barrel assembly, the glue inlet and outlet assembly is arranged at the bottom of the glue outlet valve body and matched with the glue outlet valve body to discharge glue, and the lower portion of the heating glue barrel assembly is communicated with the glue inlet and outlet assembly. The heating glue barrel assembly comprises a glue barrel, a heating barrel and a base, the heating barrel is arranged on the base, a heat insulation base is further arranged on the base, the glue barrel is sleeved with the heating barrel, a sealing plug is connected to the top of the glue barrel, a rotating rod is further arranged on the heating barrel, a jacking screw is further arranged on the rotating rod, and the jacking screw is matched with the sealing plug. Through cooperation of the jacking screw rod and the sealing plug, the situation that when the heating cylinder heats the glue barrel, air pressure in the glue barrel is too high, and the sealing plug and glue are sprayed out to scald an operator is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing, in particular to a high-safety heating type glue dispensing machine. Background Art

[0002] During the dispensing process, different glues are used depending on the product. Some glues are solid at room temperature and need to be heated to a specified temperature before dispensing. Existing glue heating methods place the glue in a barrel, which is sealed with a sealing plug. A heating cartridge is then placed over the barrel to heat the glue. To improve heating efficiency, a sealing plug is often added to the barrel to extend the time the hot air stays inside. However, prolonged heating increases the pressure inside the barrel, causing the hot air to eject the sealing plug and the glue inside the barrel, potentially scalding the operator. Utility Model Content

[0003] In view of the above technical problems in the prior art, the utility model provides a highly safe heating type dispensing machine.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A high-safety heating type glue dispensing machine includes a glue dispensing valve body, a glue inlet and outlet assembly and a heated glue barrel assembly. The glue inlet and outlet assembly is arranged at the bottom of the glue dispensing valve body and cooperates with the glue dispensing valve body to discharge glue. The heated glue barrel assembly is connected to the side wall of the glue dispensing valve body. The bottom of the heated glue barrel assembly is connected to the glue inlet and outlet assembly. The heated glue barrel assembly includes a glue barrel, a heating cylinder and a base. The heating cylinder is arranged on the base, and the base is also provided with a heat insulation seat. The glue barrel is arranged in the heating cylinder. A sealing plug is connected to the top of the glue barrel. The heating cylinder is also provided with a rotating rod. The rotating rod is also provided with a tightening screw for pressing the sealing plug.

[0006] Preferably, the tightening screw is threadedly engaged with the sealing plug, and a screw hole groove that cooperates with the tightening screw is provided on the top surface of the sealing plug. An air release channel is also provided in the sealing plug, which is connected to the rubber barrel, and the outlet of the air release channel is provided on the side wall of the sealing plug.

[0007] Preferably, a accommodating chamber is provided in the discharging valve body, and a piezoelectric component, a lever and a striker component are provided in the accommodating chamber. The piezoelectric component includes a piezoelectric stack block and a positioning block. The positioning block is arranged above the piezoelectric stack block and connected to the piezoelectric stack block. A spherical convex arc surface is provided at the upper end of the piezoelectric stack block, and a spherical inner groove adapted thereto is provided at the lower end of the positioning block.

[0008] Preferably, a first positioning column and a second positioning column are further provided in the accommodating chamber. The first positioning column is arranged at the top of the accommodating chamber and cooperates with the positioning block. The second positioning column is arranged at the bottom of the accommodating chamber, and the lever is arranged on the second positioning column.

[0009] Preferably, the firing pin assembly includes a firing pin, a firing pin guide sleeve, a buffer spring and a return spring. The firing pin sleeve is arranged in the firing pin guide sleeve and the firing pin can slide up and down. The buffer spring is arranged between the firing pin and the firing pin guide sleeve, and the return spring is arranged on the firing pin guide sleeve.

[0010] Preferably, one end of the lever cooperates with the piezoelectric assembly, a U-shaped groove is provided at the bottom end of the piezoelectric stack block in the piezoelectric assembly, and a U-shaped block adapted thereto is provided at the top left side of the lever.

[0011] Preferably, the other end of the lever cooperates with the striker assembly, and the right bottom surface of the lever is provided with a spherical impact platform for striking the striker, and the top surface of the reset spring abuts against the bottom surface of the lever for resetting the lever.

[0012] Preferably, the glue inlet and outlet assembly includes a glue inlet and outlet block, a glue outlet channel is provided in the glue inlet and outlet block, the glue outlet channel is connected to the accommodating chamber, a nozzle is also provided on the glue inlet and outlet block, the nozzle is arranged at the outlet of the glue outlet channel, a nozzle cap is also provided on the nozzle, the glue outlet channel and the accommodating chamber, and the striker cooperates with the nozzle through the glue outlet channel.

[0013] Preferably, a glue inlet channel is provided in the glue inlet and outlet block, the glue outlet of the glue inlet channel is connected to the glue outlet channel and is located above the nozzle, the glue inlet of the glue inlet channel is connected to a Luer connector, and the glue outlet of the glue barrel is connected to the Luer connector.

[0014] Preferably, the glue inlet and outlet assembly further includes a glue outlet base, the glue inlet and outlet block is arranged on the glue outlet base and is detachably connected to the glue outlet base, a nozzle cap groove is provided on the glue outlet base, and the nozzle cap is arranged on the nozzle cap groove.

[0015] Beneficial effects of the utility model:

[0016] The utility model discloses a high-safety heating type glue dispensing machine, comprising a glue dispensing valve body, a glue inlet and outlet assembly and a heated glue barrel assembly, the glue inlet and outlet assembly is arranged below the glue dispensing valve body and cooperates with the glue dispensing valve body, the lower part of the heated glue barrel assembly is communicated with the glue inlet and outlet assembly, the heated glue barrel assembly comprises a glue barrel, a heating cylinder and a base, the heating cylinder is arranged on the base, a heat insulation seat is also provided on the base, the glue barrel is sleeved in the heating cylinder, a sealing plug is connected to the top of the glue barrel, a rotating rod is also provided on the heating cylinder, a tightening screw is also provided on the rotating rod, the tightening screw and the sealing plug cooperate, and the tightening screw and the sealing plug cooperate to prevent the sealing plug and glue from being sprayed out and scalding the operator due to excessive air pressure in the glue barrel when the heating cylinder heats the glue barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of a high-safety heating type dispensing machine in an embodiment.

[0018] Figure 2 Schematic diagram of the explosion of the heated glue barrel assembly in the embodiment.

[0019] Figure 3 2 is a cross-sectional view of the sealing plug in the embodiment.

[0020] Figure 4 It is a cross-sectional view of the glue discharge valve body and the glue inlet and outlet components.

[0021] Figure 5 Schematic diagram of the explosion of the lever and firing pin assembly in the embodiment.

[0022] Figure 6 Schematic diagram of the explosion of the glue inlet and outlet components in the embodiment.

[0023] Reference numerals: 1, dispensing valve body; 101, accommodating chamber; 102, first positioning post; 103, second positioning post; 104, piezoelectric assembly; 105, piezoelectric stack; 106, spherical convex arc surface; 107, U-shaped groove; 108, positioning block; 109, spherical inner groove; 110, lever; 111, U-shaped block; 112, spherical impact platform; 113, striker assembly; 114, striker; 115, striker guide sleeve; 116, buffer spring; 117, return spring;

[0024] 2. Glue inlet and outlet assembly; 201. Glue inlet and outlet block; 202. Glue outlet channel; 203. Nozzle; 204. Nozzle cap; 205. Glue inlet channel; 206. Luer connector; 207. Glue outlet base; 208. Nozzle cap slot;

[0025] 3. Heating glue barrel assembly; 301. Glue barrel; 302. Heating tube; 303. Base; 304. Heat insulation seat; 305. Rotating rod; 306. Tightening screw; 307. Sealing plug; 308. Air release channel; 309. Screw hole groove. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0027] like Figures 1 to 6 As shown, a high-safety heating type dispensing machine includes a glue dispensing valve body 1, a glue inlet and outlet assembly 2 and a heated glue barrel assembly 3. The side wall of the glue dispensing valve body 1 is connected to an open fixed ring, and the heated glue barrel assembly 3 is arranged on the fixed ring. The heated glue barrel assembly 3 includes a glue barrel 301, a heating cylinder 302, and a base 303. The heating cylinder 302 is arranged on the base 303, and the base 303 is also provided with a heat insulation seat 304. The glue barrel 301 is sleeved in the heating cylinder 302. The heating cylinder 302 is provided with a heating rod and a temperature probe. The glue barrel 301 can be heated by the heating rod, and the temperature probe can understand the heating temperature of the heating rod to prevent the heating rod from being too hot and burning the glue.

[0028] A sealing plug 307 is also connected to the top of the glue barrel 301. An air release channel 308 is opened in the sealing plug 307. The air release channel 308 is connected to the glue barrel 301. The inlet of the air release channel 308 is set at the bottom of the sealing plug 307, and the outlet of the air release channel 308 is set on the side wall of the sealing plug 307. The air release channel 308 can discharge excess hot air in the glue barrel 301 in time to prevent the sealing plug 307 and glue from being sprayed out and scalding the operator due to excessive air pressure in the barrel when the heating tube 302 heats the glue barrel 301.

[0029] The heating cylinder 302 is also provided with a rotating rod 305, which can rotate around the heating cylinder 302. The rotating rod 305 includes a bottom rod and a top rod. The bottom rod is rotatably connected to the side wall of the heating cylinder 302 to drive the top rod to rotate. A tightening screw 306 is also provided on the top rod. The tightening screw 306 is perpendicular to the top rod and can move up and down by means of a thread. The tightening screw 306 cooperates with the sealing plug 307 to fix the sealing plug 307. The top of the sealing plug 307 There is also a screw hole groove 309 that cooperates with the tightening screw 306. When the tightening screw 306 cooperates with the sealing plug 307, the push rod is first rotated to the top of the sealing plug 307 and then the tightening screw 306 is rotated downward until the tightening screw 306 is connected with the screw hole groove 309. The tightening screw 306 will apply downward pressure to the sealing plug 307 to fix the sealing plug 307 on the top of the glue barrel 301, so as to prevent the air pressure in the glue barrel 301 from being too high and spraying out the sealing plug 307 and glue to burn the operator.

[0030] Furthermore, a accommodating chamber 101 is provided in the discharging valve body 1, and a piezoelectric component 104, a lever 110 and a striker assembly 113 are provided in the accommodating chamber 101 from top to bottom. The piezoelectric component 104 includes a piezoelectric stack block 105 and a positioning block 108. The positioning block 108 is arranged above the piezoelectric stack block 105, and the positioning block 108 is connected to the piezoelectric stack block 105. A spherical convex arc surface 106 is provided at the upper end of the piezoelectric stack block 105, and a spherical inner groove 109 is provided at the lower end of the positioning block 108. The spherical convex arc surface 106 is adapted to the spherical inner groove 109. A first positioning column 102 and a second positioning column 103 are also provided in the accommodating chamber 101. The first positioning column 102 and the second positioning column 103 are cylindrical. The first positioning column 102 is set at the top of the accommodating chamber 101. The first positioning column 102 and the positioning block 108 position the positioning block 108. Specifically, an arc-shaped groove is provided at the top of the positioning block 108, and the arc-shaped groove is adapted to the first positioning column 102. The second positioning column 103 is set at the bottom of the accommodating chamber 101, and the lever 110 is set on the second positioning column 103.

[0031] The firing pin assembly 113 includes a firing pin 114, a firing pin guide sleeve 115, a buffer spring 116 and a return spring 117. The firing pin 114 is sleeved in the firing pin guide sleeve 115 and can slide up and down. The return spring 117 is sleeved on the firing pin guide sleeve 115. The buffer spring 116 is sleeved between the firing pin 114 and the firing pin guide sleeve 115. The lower end of the buffer spring 116 contacts the firing pin guide sleeve 115, and the upper end of the buffer spring 116 contacts the firing pin 114. When the firing pin 114 is pressed downward by force, the buffer spring 116 can play a buffering role.

[0032] Furthermore, one end of the lever 110 cooperates with the piezoelectric component 104. Specifically, a U-shaped groove 107 is provided at the lower end of the piezoelectric stack block 105 in the piezoelectric component 104. A U-shaped block 111 is provided on the top left side of the lever 110. The U-shaped groove 107 and the U-shaped block 111 are adapted to each other, and the right side of the lever 110 cooperates with the striker assembly 113. Since the U-shaped groove 107 and the U-shaped block 111 cooperate with each other, when the piezoelectric component 104 and the lever 110 are installed, a certain guiding function is provided to ensure the installation accuracy between the electric component and the lever 110.

[0033] The other end of the lever 110 cooperates with the striker assembly 113. Specifically, the striker assembly 113 is arranged below the lever 110. The lever 110 strikes the striker 114 under the drive of the piezoelectric assembly 104, so that the striker 114 can slide up and down in the striker guide sleeve 115. A spherical striker platform 112 is provided on the bottom surface of the right side of the lever 110. Due to the provision of the spherical striker platform 112, direct collision between the lever 110 and the striker body 124 is avoided, thereby extending the service life of the lever 110. When the piezoelectric assembly 104 drives the lever 110 to strike the striker 114, it is reset by the return spring 117. Specifically, the bottom end of the return spring 117 contacts the striker guide sleeve 115, and the top end of the return spring 117 contacts the lever 110. When the lever 110 strikes the striker body 114, the return spring 117 pushes the lever 110 upward under the action of the elastic force to achieve reset.

[0034] Furthermore, the glue inlet and outlet assembly 2 is arranged below the glue outlet valve body 1 and cooperates with the striker assembly 113 in the glue outlet valve body 1. The glue inlet and outlet assembly 2 includes a glue inlet and outlet block 201, a glue outlet channel 202 is provided in the glue inlet and outlet block 201, and the glue outlet channel 202 is communicated with the accommodating chamber 101. A nozzle 203 is provided on the glue inlet and outlet block 201, and the nozzle 203 is communicated with the glue outlet of the glue outlet channel 202. A nozzle cap 204 is also provided on the nozzle 203. The striker 114 cooperates with the nozzle 203 through the glue outlet channel 202. The glue inlet and outlet block 201 is also provided with a glue inlet channel 203. 5. The glue inlet of the glue inlet channel 205 is also connected to a Luer connector 206, which communicates with the glue outlet of the glue barrel 301 in the heated glue barrel assembly 3. The glue outlet of the glue inlet channel 205 is connected to the glue outlet channel 202 and is located above the nozzle 203 on the glue inlet and outlet block 201. Glue in the glue barrel 301 flows from the glue inlet channel 205 into the glue outlet channel 202. When the piezoelectric assembly 104 drives the lever 110 downward, the lever 110 strikes the striker assembly 113, and the striker 114 in the striker assembly 113 pushes open the nozzle 203 to enable glue discharge. The glue inlet and outlet assembly 2 also includes a glue outlet base 207, which is detachably connected to the glue inlet and outlet block 201. The glue outlet base 207 is provided with a nozzle cap groove 208, and the nozzle cap 204 is disposed in the nozzle cap groove 208.

[0035] In the description of the present invention, it is obvious that the embodiments described are only some embodiments of the present invention, rather than all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention as claimed, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0037] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., etc., are used solely for distinction and should not be construed as indicating or implying relative importance.

[0038] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "disposed," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections. They may refer to mechanical connections or electrical connections. They may refer to connections directly or indirectly through an intermediary, or they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

Claims

1. A high-safety heated glue dispensing machine, comprising a glue dispensing valve body (1), a glue inlet and outlet assembly (2) and a heated glue barrel assembly (3), characterized in that: The glue inlet and outlet assembly (2) is arranged at the bottom of the glue outlet valve body (1) and cooperates with the glue outlet valve body (1) to discharge glue. The heating glue barrel assembly (3) is connected to the side wall of the glue outlet valve body (1). The bottom of the heating glue barrel assembly (3) is connected to the glue inlet and outlet assembly (2). The heating glue barrel assembly (3) includes a glue barrel (301), a heating cylinder (302) and a base (303). The heating cylinder (302) is arranged on the base (303). The base (303) is also provided with a heat insulation seat (304). The glue barrel (301) is arranged in the heating cylinder (302). The top of the glue barrel (301) is connected to a sealing plug (307). The heating cylinder (302) is also provided with a rotating rod (305). The rotating rod (305) is also provided with a tightening screw (306) for pressing the sealing plug (307).

2. A high-safety heating type dispensing machine according to claim 1, characterized in that: The tightening screw (306) is threadedly engaged with the sealing plug (307). A screw hole groove (309) is provided on the top surface of the sealing plug (307) to match the tightening screw (306). An air release channel (308) is also provided in the sealing plug (307). The air release channel (308) is communicated with the rubber barrel (301), and the outlet of the air release channel (308) is provided on the side wall of the sealing plug (307).

3. A high-safety heating type dispensing machine according to claim 1, characterized in that: A accommodating chamber (101) is provided in a dispensing valve body (1), and a piezoelectric assembly (104), a lever (110) and a striker assembly (113) are provided in the accommodating chamber (101). The piezoelectric assembly (104) includes a piezoelectric stack block (105) and a positioning block (108). The positioning block (108) is arranged above the piezoelectric stack block (105) and connected to the piezoelectric stack block (105). The upper end of the piezoelectric stack block (105) is provided with a spherical convex arc surface (106), and the lower end of the positioning block (108) is provided with a spherical inner groove (109) adapted thereto.

4. A high-safety heating type dispensing machine according to claim 3, characterized in that: A first positioning column (102) and a second positioning column (103) are also provided in the accommodating chamber (101). The first positioning column (102) is arranged at the top end of the accommodating chamber (101) and cooperates with the positioning block (108). The second positioning column (103) is arranged at the bottom end of the accommodating chamber (101), and the lever is arranged on the second positioning column (103).

5. A high-safety heating type dispensing machine according to claim 3, characterized in that: The striker assembly (113) comprises a striker (114), a striker guide sleeve (115), a buffer spring (116) and a return spring (117); the striker (114) is sleeved in the striker guide sleeve (115) and the striker (114) can slide up and down; the buffer spring (116) is sleeved between the striker (114) and the striker guide sleeve (115); and the return spring (117) is sleeved on the striker guide sleeve (115).

6. A high-safety heating type dispensing machine according to claim 5, characterized in that: One end of the lever (110) is matched with the piezoelectric component (104), the bottom end of the piezoelectric stack block (105) in the piezoelectric component (104) is provided with a U-shaped groove (107), and the top left side of the lever (110) is provided with a U-shaped block (111) adapted thereto.

7. A high-safety heating type dispensing machine according to claim 6, characterized in that: The other end of the lever (110) cooperates with the striker assembly (113), and the right bottom surface of the lever (110) is provided with a spherical impact platform (112) for impacting the striker (114). The top surface of the reset spring (117) abuts against the bottom surface of the lever (110) for resetting the lever (110).

8. A high-safety heating type dispensing machine according to claim 5, characterized in that: The glue inlet and outlet assembly (2) comprises a glue inlet and outlet block (201), a glue outlet channel (202) is provided in the glue inlet and outlet block (201), the glue outlet channel (202) is communicated with the accommodating chamber (101), a nozzle (203) is further provided on the glue inlet and outlet block (201), the nozzle (203) is arranged at the outlet of the glue outlet channel (202), a nozzle cap (204) is further sleeved on the nozzle (203), the glue outlet channel (202) is connected to the accommodating chamber (101), and the striker (114) cooperates with the nozzle (203) through the glue outlet channel (202).

9. A high-safety heating type dispensing machine according to claim 6, characterized in that: A glue inlet channel (205) is further provided in the glue inlet and outlet block (201), a glue outlet of the glue inlet channel (205) is connected to the glue outlet channel (202) and is located above the nozzle (203), a Luer connector (206) is connected to the glue inlet of the glue inlet channel (205), and a glue outlet of the glue barrel (301) is connected to the Luer connector (206).

10. A high-safety heating type dispensing machine according to claim 6, characterized in that: The glue inlet and outlet assembly (2) further comprises a glue outlet base (207), the glue inlet and outlet block (201) is arranged on the glue outlet base (207) and is detachably connected to the glue outlet base (207), a nozzle cap groove (208) is provided on the glue outlet base (207), and the nozzle cap (204) is arranged on the nozzle cap groove (208).

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