Automatic rubber sleeve replacing mechanism

Abstract

The utility model discloses an automatic glue barrel replacing mechanism which is used for a glue dispensing unit, the glue dispensing unit comprises a glue supply barrel, a valve body located on one side of the glue supply barrel and a glue inlet block installed on the lower end face of the valve body, the part replacing mechanism comprises a three-axis driving mechanism installed on a machine table, and the lower end of the glue supply barrel is connected with a glue supply block internally provided with a glue supply runner. A connecting block internally provided with a communicating runner is installed on the side end face of the end, facing the glue supply block, of the glue inlet block, an elastic gasket is installed on the glue supply block and located on the outer side of the horizontal section of the glue supply runner in a sealed mode, an installation hole communicated with the communicating runner is formed in the connecting block, and one end of a connecting needle extending horizontally is installed in the installation hole in an embedded mode. According to the utility model, the automatic continuous operation in the dispensing process is realized, the dispensing efficiency is improved, and in the inserting and pulling process of a connecting needle for replacing a glue supply barrel connected with the valve body, not only can the quick communication of a glue liquid flow channel be quickly realized, but also the condition that residual glue liquid overflows during separation can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to point gum technical field, especially point to a kind of glue cylinder automatic replacement mechanism. BACKGROUND

[0002] Point gum, also known as glue application, glue coating, glue filling, glue dropping, etc., is a process of applying, filling or dropping electronic glue, oil or other liquids onto products to achieve the effects of sticking, filling, insulation, fixing and surface smoothing. In the prior art, the glue cylinder needs to be replaced manually after the glue is used up, which is low in efficiency and prone to glue overflow during the replacement of the glue cylinder. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem to provide a kind of glue cylinder automatic replacement mechanism, the glue cylinder automatic replacement mechanism realizes the automatic continuous operation of point gum process, improves the efficiency of point gum, and in the connecting needle plug-in process of replacement of the glue supply cylinder connected with valve body, glue liquid flow channel can be quickly connected, and the situation of residual glue liquid overflow when separating can be effectively avoided.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a kind of glue cylinder automatic replacement mechanism, for a point glue unit, the point glue unit includes: glue supply cylinder, valve body located at one side of glue supply cylinder and glue inlet block installed on the lower end face of valve body, the glue inlet block is respectively provided with glue inlet flow channel and glue outlet flow channel communicated with each other, the automatic replacement mechanism includes: three-axis drive mechanism installed on machine table, the valve body is installed on the three-axis drive mechanism, the glue supply cylinder is connected to the side of valve body opposite to three-axis drive mechanism, at least 2 material seats for placing glue supply cylinder are installed on the machine table, the lower end of the glue supply cylinder is connected with glue supply block with glue supply flow channel inside, a connecting block with communication flow channel inside is installed on the side end face of the glue inlet block towards glue supply block, the vertical section upper end of the glue supply flow channel is communicated with the glue outlet of the glue supply cylinder, the horizontal section of the glue supply flow channel extends towards the direction close to connecting block at the end opposite to vertical section, a elastic gasket is sealingly installed on the glue supply block and located outside the horizontal section of glue supply flow channel, a mounting hole communicated with the communication flow channel is formed on the side end face of the connecting block towards glue supply block, one end of a horizontally extending connecting needle is embedded and installed in the mounting hole, when the other end of the connecting needle extends into the glue supply flow channel through the elastic gasket, the glue supply flow channel on the glue supply block and the mounting hole on the connecting block are communicated through the transition flow channel formed on the connecting needle.

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

[0006] 1. The scheme, the upper surface of the material seat is provided with a containing hole for embedding the glue supply cylinder, the containing hole is through to the side surface of the material seat facing the three-axis driving mechanism, the material seat facing the three-axis driving mechanism side and located on both sides of the containing hole is respectively installed with a blocking strip, when the glue supply cylinder is embedded in the containing hole, the blocking strip is in contact with the glue supply cylinder.

[0007] 2. The scheme, the elastic gasket is rubber gasket or silica gel gasket.

[0008] 3. The scheme, the connecting needle further comprises a connecting part screwing with the inner wall of the mounting hole and a tapered part capable of passing through the elastic gasket, the outer diameter of the tapered part gradually decreases in the direction away from the connecting part.

[0009] 4. The scheme, the glue outlet of the lower end of the glue supply cylinder is communicated with the glue supply flow channel on the glue supply block through a connecting nozzle.

[0010] 5. The scheme, the upper end of the glue supply cylinder is installed with an air inlet nozzle.

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

[0012] The glue cylinder automatic replacement mechanism of the utility model, the glue cylinder is connected to the valve body opposite to the three-axis driving mechanism side, at least two material seats for placing the glue cylinder are installed on the machine table, a glue supply block with a glue supply flow channel is connected to the lower end of the glue cylinder, a connecting block with a communication flow channel is installed on the side end face of the end of the glue supply block, the glue outlet of the glue supply cylinder is communicated with the glue supply flow channel, the horizontal section of the glue supply flow channel extends to the direction close to the connecting block opposite to the vertical section, an elastic gasket is sealingly installed on the glue supply block and located outside the horizontal section of the glue supply flow channel, a mounting hole communicated with the communication flow channel is formed on the side end face of the end of the connecting block, one end of a horizontally extending connecting needle is embedded in the mounting hole, when the other end of the connecting needle passes through the elastic gasket and extends into the glue supply flow channel, the glue supply flow channel on the glue supply block is communicated with the mounting hole on the connecting block through the transition flow channel formed on the connecting needle, through the movement of the three-axis mechanism, the old glue cylinder connected to the valve body can be automatically placed in the containing hole of the material seat and separated from the valve body, and then the valve body is connected with the new glue cylinder in another material seat, so that the automatic continuous operation of the glue dispensing process is realized, the glue dispensing efficiency is improved, and in the process of inserting and pulling the connecting needle for replacing the glue cylinder connected to the valve body, the quick communication of the glue inlet nozzle on the valve body with the glue liquid flow channel inside the glue supply block on the new glue cylinder can be quickly realized, and the overflow of the residual glue liquid in the old glue cylinder when the valve body is separated from the old glue cylinder can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] ATTACH Figure 1This is a structural diagram of the automatic replacement mechanism for the rubber cartridge of the present utility model;

[0014] Attachment Figure 2 For this utility model Figure 1 A magnified schematic diagram of point A in the middle;

[0015] Attachment Figure 3 This is a partial structural diagram of the automatic replacement mechanism for the rubber cartridge of the present utility model;

[0016] Attachment Figure 4 For this utility model Figure 3 Schematic diagram of the cross section along the AA direction;

[0017] Attachment Figure 5 For this utility model Figure 4 A magnified schematic diagram of point B in the middle;

[0018] Attachment Figure 6 This is a schematic diagram of the partial structure of the automatic replacement mechanism of the rubber cartridge of the present invention.

[0019] In the above drawings: 1. Glue supply block; 2. Connecting block; 3. Glue supply channel; 31. Vertical section; 32. Horizontal section; 4. Connecting channel; 5. Elastic gasket; 6. Mounting hole; 7. Connecting needle; 71. Transition channel; 72. Connecting part; 73. Conical part; 8. Mounting groove; 9. Pressing block; 10. Glue supply cylinder; 11. Glue outlet; 12. Valve body; 13. Glue feed block; 131. Glue feed channel; 132. Glue outlet channel; 14. Connecting nozzle; 15. Air inlet; 16. Material seat; 161. Accommodating hole; 162. Baffle. DETAILED DESCRIPTION

[0020] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0021] Embodiment 1: A glue cartridge automatic replacement mechanism, used for a glue dispensing unit, the glue dispensing unit comprising: a glue supply cartridge 10, a valve body 12 located on one side of the glue supply cartridge 10 and a glue feed block 13 installed on the lower end surface of the valve body 12, the glue feed block 13 being respectively provided with a glue feed channel 131 and a glue discharge channel 132 which are interconnected, the automatic replacement mechanism comprising: a three-axis drive mechanism 18 installed on a machine table 17, the valve body 12 being installed on the three-axis drive mechanism 18, the glue supply cartridge 10 being connected to the side of the valve body 12 which is opposite to the three-axis drive mechanism 18, at least two material seats 16 for placing the glue supply cartridge 10 being installed on the machine table 17, the lower end of the glue supply cartridge 10 being connected to a glue supply block 1 having a glue supply channel 3 therein, the glue feed block 13 being towards the side end surface of one end of the glue supply block 1 A connecting block 2 with a communication channel 4 is installed on it. The upper end of the vertical section 31 of the glue supply channel 3 is connected to the glue outlet 11 of the glue supply cylinder 10. The horizontal section 32 of the glue supply channel 3 extends in the direction close to the connecting block 2 opposite to one end of the vertical section 31. An elastic gasket 5 is sealed on the glue supply block 1 and located on the outside of the horizontal section 32 of the glue supply channel 3. A mounting hole 6 communicating with the communication channel 4 is provided on the side end surface of the connecting block 2 facing one end of the glue supply block 1. One end of a horizontally extending connecting needle 7 is embedded in the mounting hole 6. When the other end of the connecting needle 7 passes through the elastic gasket 5 and extends into the glue supply channel 3, the glue supply channel 3 on the glue supply block 1 and the mounting hole 6 on the connecting block 2 are connected via a transition channel 71 provided on the connecting needle 7;

[0022] Under normal dispensing conditions, the three-axis drive mechanism drives the valve body connected to the glue supply cylinder to move above the product to be dispensed. At the same time, the glue supply cylinder supplies glue to the valve body, and the valve body accurately and quantitatively dispenses glue to achieve continuous dispensing of the product.

[0023] The upper surface of the material holder 16 is provided with a receiving hole 161 for inserting the rubber supply cylinder 10. The receiving hole 161 is connected to the side surface of the material holder 16 facing the three-axis drive mechanism 18. A stop bar 162 is installed on the side of the material holder 16 facing the three-axis drive mechanism 18 and on both sides of the receiving hole 161. When the rubber supply cylinder 10 is inserted into the receiving hole 161, the stop bar 162 blocks the contact with the rubber supply cylinder 10.

[0024] When the glue in the glue supply cylinder is used up, the valve body stops dispensing glue, and then the three-axis drive mechanism drives the valve body to move, so that the old glue supply cylinder connected to the valve body moves to an empty material seat. Then the three-axis drive mechanism drives the valve body away from the old glue supply cylinder. At this time, the old glue supply cylinder is restricted by the material seat and cannot move with the valve body, so that the connecting needle installed on the valve body is pulled out from the glue supply channel on the glue supply block installed on the old glue supply cylinder. At this time, the residual glue in the glue supply channel will not overflow under the action of the elastic gasket.

[0025] The elastic gasket 5 is a rubber gasket.

[0026] The connecting needle 7 further includes a connecting portion 72 threadedly connected to the inner wall of the mounting hole 6 and a tapered portion 73 capable of passing through the elastic gasket 5 . The outer diameter of the tapered portion 73 gradually decreases in a direction away from the connecting portion 72 .

[0027] The glue outlet 11 at the lower end of the glue supply cylinder 10 is connected to the glue supply channel 3 on the glue supply block 1 through a connecting nozzle 14 .

[0028] An air inlet nozzle 15 is installed at the upper end of the glue supply cylinder 10 .

[0029] The glue supply cartridge 10 is embedded and installed in the receiving hole 161 of at least one of the material holders 16 , and the glue supply cartridge 10 is not installed in the receiving hole 161 of at least one of the material holders 16 .

[0030] The pressing block 9 is provided with a through hole 10 for the connecting needle 7 to pass through.

[0031] The valve body 13 is an injection valve body.

[0032] Embodiment 2: A glue cartridge automatic replacement mechanism, used for a glue dispensing unit, the glue dispensing unit comprising: a glue supply cartridge 10, a valve body 12 located on one side of the glue supply cartridge 10 and a glue feed block 13 installed on the lower end surface of the valve body 12, the glue feed block 13 respectively provided with a glue feed flow channel 131 and a glue discharge flow channel 132 that are interconnected, the automatic replacement mechanism comprising: a three-axis drive mechanism 18 installed on a machine table 17, the valve body 12 installed on the three-axis drive mechanism 18, the glue supply cartridge 10 is connected to the side of the valve body 12 that is opposite to the three-axis drive mechanism 18, at least two material seats 16 for placing the glue supply cartridge 10 are installed on the machine table 17, the lower end of the glue supply cartridge 10 is connected to a glue supply block 1 with a glue supply flow channel 3 therein, the glue feed block 13 faces the side end surface of one end of the glue supply block 1 A connecting block 2 with a connecting channel 4 is installed on it. The upper end of the vertical section 31 of the glue supply channel 3 is connected to the glue outlet 11 of the glue supply cylinder 10. The horizontal section 32 of the glue supply channel 3 extends in the direction close to the connecting block 2 opposite to one end of the vertical section 31. An elastic gasket 5 is sealed on the glue supply block 1 and located on the outside of the horizontal section 32 of the glue supply channel 3. A mounting hole 6 connected to the connecting channel 4 is provided on the side end surface of the connecting block 2 facing one end of the glue supply block 1. One end of a horizontally extending connecting needle 7 is embedded in the mounting hole 6. When the other end of the connecting needle 7 passes through the elastic gasket 5 and extends into the glue supply channel 3, the glue supply channel 3 on the glue supply block 1 is connected to the mounting hole 6 on the connecting block 2 through a transition channel 71 provided on the connecting needle 7.

[0033] The upper surface of the material holder 16 is provided with a receiving hole 161 for the glue supply cylinder 10 to be embedded. The receiving hole 161 is connected to the side surface of the material holder 16 facing the three-axis drive mechanism 18. A stop bar 162 is installed on the side of the material holder 16 facing the three-axis drive mechanism 18 and on both sides of the receiving hole 161. When the glue supply cylinder 10 is embedded in the receiving hole 161, the stop bar 162 blocks the contact with the glue supply cylinder 10.

[0034] The elastic gasket 5 is a silicone gasket.

[0035] The connecting needle 7 further includes a connecting portion 72 threadedly connected to the inner wall of the mounting hole 6 and a tapered portion 73 capable of passing through the elastic gasket 5 . The outer diameter of the tapered portion 73 gradually decreases in a direction away from the connecting portion 72 .

[0036] The valve body 13 is a piezoelectric ceramic injection valve body.

[0037] The lower end of the obliquely arranged communicating channel 4 is communicated with an end of the horizontally extending glue inlet channel 131 on the glue inlet block 13 , which is opposite to the glue outlet channel 132 .

[0038] A sealing ring is provided between the connection block 2 and the glue feeding block 13 and on the outside of the connection between the communication channel 4 and the glue feeding channel 131 .

[0039] The mounting hole 6 is communicated with the upper end of the communication channel 4 .

[0040] The elastic gasket 5 is provided with a cross-line groove for the connecting needle 7 to pass through.

[0041] The above-mentioned glue supply block 1 is provided with a mounting groove 8 on the side end surface facing one end of the connecting block 2, which is connected to the glue supply channel 3. The elastic gasket 5 embedded in the mounting groove 8 is provided with a pressing block 9 on the side opposite to the glue supply channel 3. The pressing block 9 fixedly connected to the glue supply block 1 is in compression contact with one side surface of the elastic gasket 5, so that the other side surface of the elastic gasket 5 is in compression contact with the bottom surface of the mounting groove 8.

[0042] The working principle of this utility model is as follows:

[0043] Under normal dispensing conditions, the three-axis drive mechanism drives the valve body connected to the glue supply cylinder to move above the product to be dispensed. At the same time, the glue supply cylinder supplies glue to the valve body, and the valve body accurately and quantitatively dispenses glue, realizing continuous dispensing of the product.

[0044] When the glue liquid in the glue cylinder is used up, the valve body stops dispensing glue, then the three-axis driving mechanism drives the valve body to move, so that the old glue cylinder connected to the valve body moves to an empty material seat, then the three-axis driving mechanism drives the valve body to move away from the old glue cylinder, at this time, the old glue cylinder cannot move with the valve body due to the limitation of the material seat, so that the connecting needle mounted on the valve body is pulled out of the glue flow channel on the glue block mounted on the old glue cylinder, at this time, the glue liquid remaining in the glue flow channel will not overflow under the action of the elastic pad;

[0045] Then, the three-axis driving mechanism drives the valve body to move to the outside of the new glue cylinder mounted in another material seat, and makes the connecting needle connected with the valve body consistent with the elastic pad on the new glue cylinder, then the three-axis driving mechanism drives the valve body to move close to the new glue cylinder and inserts the connecting needle on the new glue cylinder into the glue flow channel through the elastic pad on the new glue cylinder.

[0046] When the above-mentioned glue cylinder automatic replacement mechanism is used, through the movement of the three-axis mechanism, the old glue cylinder connected to the valve body can be automatically placed in the containing hole of the material seat and separated from the valve body, and the valve body can be connected with the new glue cylinder in another material seat, so that automatic continuous operation of the dispensing process is realized, the dispensing efficiency is improved, and in the process of inserting and pulling the connecting needle connected with the valve body of the glue cylinder, the internal glue liquid flow channel of the glue block on the valve body can be quickly connected with the glue block on the new glue cylinder, and the situation that the remaining glue liquid in the old glue cylinder overflows when the valve body is separated from the old glue cylinder can be effectively avoided.

[0047] The above-mentioned embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable people skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic glue cartridge replacement mechanism for a glue dispensing unit, the glue dispensing unit comprising: A glue supply cylinder (10), a valve body (12) located on one side of the glue supply cylinder (10), and a glue feed block (13) installed on the lower end surface of the valve body (12), wherein the glue feed block (13) is respectively provided with a glue feed flow channel (131) and a glue discharge flow channel (132) that are interconnected, and the automatic replacement mechanism comprises: a three-axis drive mechanism (18) installed on a machine (17), the valve body (12) is installed on the three-axis drive mechanism (18), and the glue supply cylinder (10) is connected to the valve body (12) on the side opposite to the three-axis drive mechanism (18), and is characterized in that: at least two material seats (16) for placing the glue supply cylinder (10) are installed on the machine (17); The lower end of the glue supply cylinder (10) is connected to a glue supply block (1) having a glue supply flow channel (3) therein, and the side end surface of the glue feed block (13) facing one end of the glue supply block (1) is provided with a connecting block (2) having a connecting flow channel (4) therein, the upper end of the vertical section (31) of the glue supply flow channel (3) is connected to the glue outlet (11) of the glue supply cylinder (10), the horizontal section (32) of the glue supply flow channel (3) extends in a direction close to the connecting block (2) opposite to one end of the vertical section (31), and the horizontal section (32) of the glue supply flow channel (3) on the glue supply block (1) is located. ) is sealed with an elastic gasket (5) on the outside, and a mounting hole (6) connected to the connecting channel (4) is provided on the side end surface of the connecting block (2) facing one end of the glue supply block (1). One end of a horizontally extending connecting needle (7) is embedded in the mounting hole (6). When the other end of the connecting needle (7) passes through the elastic gasket (5) and extends into the glue supply channel (3), the glue supply channel (3) on the glue supply block (1) and the mounting hole (6) on the connecting block (2) are connected through a transition channel (71) provided on the connecting needle (7).

2. The automatic rubber cartridge replacement mechanism according to claim 1, characterized in that: The upper surface of the material seat (16) is provided with a receiving hole (161) for the glue supply cylinder (10) to be embedded. The receiving hole (161) is connected to the side surface of the material seat (16) facing the three-axis drive mechanism (18). A blocking bar (162) is installed on the side of the material seat (16) facing the three-axis drive mechanism (18) and on both sides of the receiving hole (161). When the glue supply cylinder (10) is embedded in the receiving hole (161), the blocking bar (162) blocks the contact with the glue supply cylinder (10).

3. The automatic rubber cartridge replacement mechanism according to claim 1, characterized in that: The elastic gasket (5) is a rubber gasket or a silicone gasket.

4. The automatic rubber cartridge replacement mechanism according to claim 1, characterized in that: The connecting needle (7) further comprises a connecting portion (72) threadedly connected to the inner wall of the mounting hole (6) and a tapered portion (73) capable of passing through the elastic gasket (5), wherein the outer diameter of the tapered portion (73) gradually decreases in a direction away from the connecting portion (72).

5. The automatic rubber cartridge replacement mechanism according to claim 1, characterized in that: The glue outlet (11) at the lower end of the glue supply cylinder (10) is connected to the glue supply channel (3) on the glue supply block (1) via a connecting nozzle (14).

6. The automatic rubber cartridge replacement mechanism according to claim 1, characterized in that: An air inlet nozzle (15) is installed at the upper end of the glue supply cylinder (10).

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