Glue supply mechanism with high sealing performance

Abstract

The utility model relates to the technical field of dispensing, in particular to a glue supply mechanism with high sealing performance, which comprises a glue outlet valve body, a glue outlet block, a heating base and a glue barrel, the glue outlet block is arranged below the glue outlet valve body and is matched with the glue outlet valve body, the heating base is arranged below the glue outlet block and is connected with the glue outlet block, the bottom of the glue barrel is communicated with the glue outlet block, and the glue barrel is connected with the glue outlet valve body. A glue outlet channel, a glue flowing channel and a glue inlet channel are arranged in the glue outlet block, the glue inlet channel is communicated with the glue outlet channel through the glue flowing channel, a plug screw is arranged on the glue outlet block to seal the glue flowing channel, and a sealing gasket is fixedly arranged on the plug screw. When the plug screw is detached and the glue outlet block is cleaned, the sealing gasket is prevented from falling off due to the fixed connection of the sealing gasket and the plug screw, and the sealing performance of the plug screw is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing, in particular to a glue supply mechanism with high sealing performance. Background Art

[0002] Lever-type dispensing machines, as specialized dispensing equipment, typically utilize the principle of leverage to precisely control and distribute glue or other fluids. These machines typically utilize a dispensing valve body and a dispensing block. The dispensing block includes a dispensing channel, a flow channel, and a feed channel. To facilitate cleaning of the dispensing block, the flow channel extends through one side of the block and is sealed with a plug screw. To enhance the sealing performance of the plug screw, tape is wrapped around the plug screw. However, when disassembling and cleaning the plug screw, the tape can easily become damaged, requiring repeated wrapping, which wastes time. Utility Model Content

[0003] In view of the above technical problems in the prior art, the utility model provides a glue supply mechanism with high sealing performance.

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

[0005] A glue supply mechanism with high sealing performance includes a glue discharge valve body, a glue discharge block, a heating base and a glue barrel. The glue discharge block is arranged below the glue discharge valve body and cooperates with the glue discharge valve body to discharge glue. The heating base is arranged below the glue discharge block and connected to the glue discharge block. The bottom of the glue barrel is communicated with the glue discharge block. A glue discharge channel, a glue flow channel and a glue inlet channel are provided in the glue discharge block. The glue inlet channel is communicated with the glue discharge channel through the glue flow channel. The glue flow channel passes through one side of the glue discharge block. A plug screw is also provided on the side where the glue flow channel passes through the glue discharge block. The glue flow channel is sealed by the plug screw. The plug screw includes a screw head, a connecting part and a screw rod. The screw head is fixedly connected to the connecting part. The screw rod is arranged at an end away from the screw head and fixedly connected to the connecting part. A sealing groove is provided between the connecting part and the screw, and a sealing gasket is fixed in the sealing groove.

[0006] Preferably, an insulation column and a Luer connector are provided on the top of the glue discharge block. The insulation column and the Luer connector are arranged opposite to each other, and the top surface of the insulation column abuts against the bottom surface of the glue discharge valve body. The Luer connector is arranged on the top of the glue discharge block and connected to the glue feed channel, and the bottom of the glue barrel is connected to the glue inlet of the Luer connector.

[0007] Preferably, a nozzle is further provided at the bottom of the glue discharging block, the nozzle is communicated with the glue discharging channel, and a nozzle cap is further sleeved on the nozzle.

[0008] Preferably, the heating base includes a heating block and a heat insulation block. The heating block is connected to the heat insulation block. The heating block is provided with a first groove, and the heat insulation block is provided with a second groove. The glue discharging block is connected to the heating base through the first groove and the second groove. A positioning groove is further provided below the first groove, and the nozzle cap is arranged in the positioning groove.

[0009] Preferably, a receiving chamber is provided inside the glue discharging valve body. A piezoelectric component, a lever and a plunger assembly are arranged inside the receiving 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 opened at the bottom end of the positioning block.

[0010] Preferably, a first positioning post and a second positioning post are further provided inside the receiving chamber. The first positioning post is arranged at the top end of the receiving chamber and cooperates with the positioning block. The second positioning post is arranged at the bottom end of the receiving chamber, and the lever is arranged on the second positioning post.

[0011] Preferably, the receiving chamber is communicated with the glue discharging channel, and the glue discharging channel cooperates with the plunger assembly. The plunger assembly includes a plunger body, a plunger guide sleeve, a buffer spring and a return spring. The plunger body is sleeved inside the plunger guide sleeve and can slide up and down. The buffer spring is sleeved between the plunger body and the plunger guide sleeve, and the return spring is sleeved on the plunger guide sleeve. The plunger body cooperates with the nozzle through the glue discharging channel.

[0012] Preferably, one end of the lever cooperates with the piezoelectric component. A U-shaped groove is opened at the bottom end of the piezoelectric stack block in the piezoelectric component, and a U-shaped block adapted thereto is opened at the top end on the left side of the lever.

[0013] Preferably, the other end of the lever cooperates with the plunger assembly. A spherical impact table is provided on the bottom surface on the right side of the lever for impacting the plunger body, and the top surface of the return spring abuts against the bottom surface of the lever for resetting the lever.

[0014] Advantages of the present utility model:

[0015] The present utility model provides a glue supply mechanism with high sealing performance, including a glue discharging valve body, a glue discharging block, a heating base and a glue bucket. The glue discharging block is arranged below the glue discharging valve body and cooperates with the glue discharging valve body. The heating base is arranged below the glue discharging block and connected to the glue discharging block. The bottom of the glue bucket is communicated with the glue discharging block. A glue discharging channel, a glue flowing channel and a glue inlet channel are arranged inside the glue discharging block. The glue inlet channel is communicated with the glue discharging channel through the glue flowing channel. A plug screw is arranged on the glue discharging block to seal the glue flowing channel, and a sealing gasket is fixed on the plug screw. When the plug screw is disassembled to clean the glue discharging block, since the sealing gasket is fixedly connected to the plug screw, the sealing gasket can be prevented from falling off, and at the same time, the sealing performance of the plug screw is improved. Description of the drawings

[0016] Figure 1A three-dimensional view of a glue supply mechanism with high sealing performance in the embodiment.

[0017] Figure 2 A cross-sectional view of a glue supply mechanism with high sealing performance in the embodiment.

[0018] Figure 3 A three-dimensional view of a plug screw in the embodiment.

[0019] Figure 4 A three-dimensional view of a glue outlet block and a heating base in the embodiment.

[0020] Figure 5 A three-dimensional view of a lever and a striker assembly in the embodiment.

[0021] Reference numerals: 1, glue outlet valve body; 101, accommodation chamber; 102, first positioning column; 103, second positioning column; 104, piezoelectric component; 105, piezoelectric stack block; 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 table; 113, striker assembly; 114, striker body; 115, striker guide sleeve; 116, buffer spring; 117, return spring;

[0022] 2, glue outlet block; 201, glue outlet channel; 202, glue flowing channel; 203, glue inlet channel; 204, nozzle; 205, nozzle cap; 206, plug screw; 207, screw head; 208, connecting part; 209, screw rod; 210, sealing groove; 211, sealing gasket; 212, heat insulation column; 213, Luer connector;

[0023] 3, heating base; 301, heating block; 302, first groove; 303, positioning groove; 304, heat insulation block; 305, second groove;

[0024] 4, glue bucket. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0026] A glue supply mechanism with high sealing performance, as Figures 1 to 5 shown, includes a glue outlet valve body 1, a glue outlet block 2, a heating base 3 and a glue bucket 4.

[0027] A glue outlet valve body 1 is provided with an accommodation chamber 101 inside. Inside the accommodation chamber 101, a piezoelectric component 104, a lever 110 and a striker assembly 113 are sequentially arranged 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 is connected to the piezoelectric stack block 105. Specifically, a spherical convex arc surface 106 is provided at the top end of the piezoelectric stack block 105, and a spherical inner groove 109 is provided at the bottom end of the positioning block 108. The spherical convex arc surface 106 is adapted to the spherical inner groove 109. Among them, a first positioning post 102 and a second positioning post 103 are also provided inside the accommodation chamber 101. The first positioning post 102 and the second positioning post 103 are cylinders. The first positioning post 102 is arranged at the top end of the accommodation chamber 101 and is matched with the positioning block 108 in the piezoelectric component 104 to 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 column surface of the first positioning post 102. The second positioning post 103 is arranged at the bottom end of the accommodation chamber 101, and the lever 110 is arranged on the second positioning post 103 and the lever 110 is arranged above the second positioning post 102. Among them, one end of the lever 110 is matched with the piezoelectric stack block 105 in the piezoelectric component 104. Specifically, a U-shaped groove 107 is provided at the bottom end of the piezoelectric stack block 105, and a U-shaped block 111 is provided at the top left of the lever 110. The U-shaped groove 107 is adapted to the U-shaped block 111. When installing the lever 110, it has a certain guiding function to ensure the installation accuracy between the piezoelectric component 104 and the lever 110.

[0028] The other end of the lever 110 is matched with the striker assembly 113. Among them, the striker assembly 113 includes a striker body 114, a striker guide sleeve 115, a buffer spring 116 and a return spring 117. The striker body 114 is sleeved inside the striker guide sleeve 115 and the striker body 114 can slide up and down. The return spring 117 is sleeved on the striker guide sleeve 115, and the buffer spring 116 is sleeved between the striker and the striker guide sleeve 115. The bottom end of the buffer spring 116 contacts the striker guide sleeve 115, and the top end of the buffer spring 116 contacts the striker body 114. When the striker body 114 is pressed downward by force, the buffer spring 116 can prevent the striker body 114 from directly hitting the striker guide sleeve 115 and play a buffering role. A spherical impact table 112 is provided on the bottom surface of the right side of the lever 110. Due to the provision of the spherical impact table 112, the direct impact between the lever 110 and the striker body 114 is avoided, and the service life of the lever 110 is prolonged.

[0029] During use, when the piezoelectric assembly 104 is energized, the piezoelectric stack block 105 in the piezoelectric assembly 104 will undergo slight deformation, thereby generating a tiny displacement. Since the lever 110 is arranged at the bottom of the piezoelectric stack block 105, the piezoelectric stack block 105 drives the lever 100 to press down and hit the striker body 114. When the piezoelectric stack block 105 drives the lever 110 to hit the striker body 114, the return spring 117 in the striker assembly 113 resets the lever 110. 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 hits the striker body 114, the return spring 117 pushes the lever 110 upward under the action of the elastic force to achieve reset.

[0030] Furthermore, the glue discharging block 2 is arranged below the glue discharging valve body 1 and matches the glue discharging valve body 1 to discharge glue. Among them, the glue discharging block 2 is provided with a glue discharging channel 201, a glue flow channel 202 and a glue inlet channel 203. The glue discharging channel 201 is arranged on the left side of the glue flow channel 202 and is connected to the glue flow channel 202. The glue inlet channel 203 is arranged above the glue flow channel 202 and is connected to the glue flow channel 202. The glue inlet channel 203 is connected to the glue discharging channel 201 through the glue flow channel 202. The glue discharging of the glue discharging channel 201 A nozzle 204 is also provided on the mouth, and a nozzle cap 205 is also provided on the nozzle 204, wherein the glue outlet channel 201 is connected to the accommodating chamber 101, and the glue outlet channel 201 cooperates with the striker assembly 113 to discharge glue. Specifically, the striker body 114 cooperates with the nozzle 204 through the glue outlet channel 201. When the piezoelectric component 104 drives the lever 110 to press down, the lever 110 will hit the striker assembly 113, and the striker body 114 in the striker assembly 113 will push open the nozzle 204 to realize the glue discharge. Among them, the glue flow channel 202 runs through the right side of the glue outlet block 2, and a plug screw 206 is provided on the glue outlet block 2. The plug screw 206 seals the glue flow channel 202. The plug screw 206 includes a screw head 207, a connecting part 208 and a screw rod 209. The screw head 207 is fixedly connected to the connecting part 208. The screw rod 209 is arranged at an end away from the screw head 207 and is fixedly connected to the connecting part 208. A sealing groove 210 is provided between the connecting part 208 and the screw rod 209. A sealing gasket 211 is also provided in the sealing groove 210. The sealing gasket 211 is fixed in the sealing groove 210 by adhesion.

[0031] On the top of the glue discharging block 2, there is also a Luer connector 213. The Luer connector 213 is arranged on the glue inlet channel 203. The glue outlet of the Luer connector 213 is communicated with the glue inlet of the glue inlet channel 203. The glue bucket 4 is arranged above the Luer connector 213. The glue outlet of the glue bucket 4 is communicated with the glue inlet of the Luer connector 213. The glue in the glue bucket 4 enters the glue inlet channel 203 through the Luer connector 213, then passes through the glue flowing channel 202 and finally reaches the glue outlet channel 201. On the top of the glue discharging block 2, there is also a heat insulation column 212. The heat insulation column 212 is arranged on the opposite side of the Luer connector 213. The heat insulation column 212 is made of ceramic. The heat insulation column 212 is adhered to the glue discharging block 2 by glue. The top of the heat insulation column 212 abuts against the bottom of the glue discharging valve body 1. By arranging the heat insulation column 212 on the top of the glue discharging block 2, the glue discharging block 2 body can be prevented from directly contacting the glue discharging valve body 1, and the heat of the glue discharging block 2 can be prevented from being conducted to the glue discharging valve body 1.

[0032] Furthermore, the heating base 3 is arranged below the glue discharging block 2 and connected to the glue discharging block 2 to heat the glue discharging block 2. The heating base 3 includes a heating block 301 and a heat insulation block 304. The heating block 301 is detachably connected to the heat insulation block 304. There is a first groove 302 on the heating block 301, and a second groove 305 on the heat insulation block 304. The body of the glue discharging block 2 is arranged in the first groove 302 and the second groove 305. There is also a positioning groove 303 below in the first groove 302. Among them, the nozzle cap 205 is arranged in the positioning groove 303. During installation, first align the positioning groove 303 with the nozzle cap 205, and then move the heating base 3 upward. When the nozzle cap 205 passes through the positioning groove 303, the installation is completed. At this time, the heating block 301 wraps the side wall and the bottom of the glue discharging block 2. When the glue in the glue bucket 4 flows from the glue inlet channel 203 to the glue outlet channel 201, the heating block 301 heats it.

[0033] In the description of the present invention, obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Usually, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the above detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but only represents the 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 efforts belong to the scope of protection of the present invention.

[0035] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "middle", "upper", "lower", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "set", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Claims

1. A glue supply mechanism with high sealing performance, comprising a glue outlet valve body (1), a glue outlet block (2), a heating base (3) and a glue bucket (4), characterized in that, The glue discharging block (2) is arranged below the glue discharging valve body (1) and cooperates with the glue discharging valve body (1) to discharge glue. The heating base (3) is arranged below the glue discharging block (2) and connected to the glue discharging block (2). The bottom of the glue bucket (4) is communicated with the glue discharging block (2). The glue discharging block (2) is provided with a glue discharging channel (201), a glue flowing channel (202) and a glue feeding channel (203). The glue feeding channel (203) is communicated with the glue discharging channel (201) through the glue flowing channel (202). The glue flowing channel (202) penetrates through one side of the glue discharging block (2). A plug screw (206) is also arranged on the side where the glue flowing channel (202) penetrates through the glue discharging block (2). The glue flowing channel (202) is sealed by the plug screw (206). The plug screw (206) includes a screw head (207), a connecting part (208) and a screw rod (209). The screw head (207) is fixedly connected to the connecting part (208). The screw rod (209) is arranged at one end far from the screw head (207) and fixedly connected to the connecting part (208). A sealing groove (210) is arranged between the connecting part (208) and the screw rod (209). A sealing gasket (211) is fixedly arranged in the sealing groove (210).

2. The glue supply mechanism with high sealing performance according to claim 1, characterized in that, Heat insulation columns (212) and Luer connectors (213) are also arranged on the top of the glue discharging block (2). The heat insulation columns (212) and the Luer connectors (213) are arranged oppositely. The top surface of the heat insulation column (212) abuts against the bottom surface of the glue discharging valve body (1). The Luer connector (213) is arranged on the top of the glue discharging block (2) and communicated with the glue feeding channel (203). The bottom of the glue bucket (4) is communicated with the glue inlet of the Luer connector (213).

3. The glue supply mechanism with high sealing performance according to claim 1, wherein, A nozzle (204) is also arranged at the bottom of the glue discharging block (2). The nozzle (204) is communicated with the glue discharging channel (201). A nozzle cap (205) is also sleeved on the nozzle (204).

4. The glue supply mechanism with high sealing performance according to claim 3, characterized in that, The heating base (3) includes a heating block (301) and a heat insulation block (304). The heating block (301) is connected to the heat insulation block (304). A first groove (302) is arranged on the heating block (301). A second groove (305) is arranged on the heat insulation block (304). The glue discharging block (2) is connected to the heating base (3) through the first groove (302) and the second groove (305). A positioning groove (303) is also arranged below the first groove (302). The nozzle cap (205) is arranged in the positioning groove (303).

5. A glue supply mechanism with high sealing performance according to claim 3, characterized in that, A receiving chamber (101) is arranged in the glue discharging valve body (1). A piezoelectric component (104), a lever (110) and a striker component (113) are arranged in the receiving chamber (101). 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 connected to the piezoelectric stack block (105). A spherical convex arc surface (106) is arranged at the upper end of the piezoelectric stack block (105). A spherical inner groove (109) adapted thereto is opened at the bottom end of the positioning block (108).

6. The glue supply mechanism with high sealing performance according to claim 5, characterized in that A first positioning post (102) and a second positioning post (103) are further provided in the accommodating chamber (101). The first positioning post (102) is arranged at the top end of the accommodating chamber (101) and is matched with the positioning block (108). The second positioning post (103) is arranged at the bottom end of the accommodating chamber (101), and the lever (110) is arranged on the second positioning post (103).

7. The glue supply mechanism with high sealing performance according to claim 5, characterized in that, The accommodating chamber (101) is communicated with the glue outlet channel (201), and the glue outlet channel (201) is matched with the plunger assembly (113). The plunger assembly (113) includes a plunger body (114), a plunger guide sleeve (115), a buffer spring (116) and a return spring (117). The plunger body (114) is sleeved in the plunger guide sleeve (115) and the plunger body (114) can slide up and down. The buffer spring (116) is sleeved between the plunger body (114) and the plunger guide sleeve (115). The return spring (117) is sleeved on the plunger guide sleeve (115). The plunger body (114) is matched with the nozzle (204) through the glue outlet channel (201).

8. The glue supply mechanism with high sealing performance according to claim 7, characterized in that, One end of the lever (110) is matched with the piezoelectric component (104). A U-shaped groove (107) is formed at the bottom end of the piezoelectric stack block (105) in the piezoelectric component (104). A U-shaped block (111) adapted thereto is formed at the top end on the left side of the lever (110).

9. The glue supply mechanism with high sealing performance according to claim 8, characterized in that The other end of the lever (110) is matched with the plunger assembly (113). A spherical impact platform (112) is provided on the bottom surface on the right side of the lever (110) for impacting the plunger body (114). The top surface of the return spring (117) abuts against the bottom surface of the lever (110) for the lever (110) to return to its original position.

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