Gluing and pushing mechanism

Abstract

The utility model belongs to the field of gluing mechanisms, and discloses a gluing and pushing mechanism which comprises a glue pushing assembly, a driving mechanism, a valve assembly and a glue outlet head, the glue pushing assembly comprises a shell used for containing a glue stick and a pushing and pressing component penetrating into the shell, the shell is provided with a dismounting part used for filling the glue stick, and the driving mechanism is arranged on the shell. The driving mechanism drives the pushing and pressing component to move in the axial direction of the shell, and the shell is communicated with the glue outlet head through the valve assembly. The shell is provided with a first connecting part which is communicated with the interior of the shell and is used for introducing gas. After the glue stick is beaten, a new glue stick can be conveniently and quickly installed by opening the dismounting part, the complexity and the cost of the mechanism are also reduced, gas can be conveniently introduced through the first connecting part, the gas can balance the internal air pressure, glue overflowing at the tail of the glue stick can be prevented, and glue pushing is more stable and smoother.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gluing mechanism, concretely relates to a gluing and pushing mechanism. BACKGROUND

[0002] The gluing equipment is usually used for gluing the corresponding parts of the target parts, so that the target parts can be used for bonding with other parts or forming a seal after gluing.

[0003] In the prior art, a commonly used gluing equipment is a pushing mechanism driven by a mechanical arm to move in multiple axes for gluing. The pushing mechanism mainly pushes the glue out by first filling glue into a glue bucket or delivering glue to the glue bucket through a glue storage device connected to the glue bucket, and then pushing and extruding the glue out of the glue bucket through the pushing of the piston inside the glue bucket. The extruded glue enters the glue outlet and is extruded out of the glue outlet, thereby achieving glue extrusion. However, the pushing mechanism needs to be pre-filled with glue or pre-stored through the storage device, which leads to a complex structure and increased cost, and the purchased glue needs to be removed from the package for injection or storage, which is inconvenient to use and not conducive to the replaceable use of glue products such as glue sticks. SUMMARY

[0004] Therefore, the utility model aims to provide a gluing and pushing mechanism to solve the problem that the existing pushing mechanism is not conducive to the replaceable use of glue products such as glue sticks.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A gluing and pushing mechanism, comprising a pushing assembly, a driving mechanism, a valve assembly and a glue outlet, the pushing assembly comprising a shell for accommodating a glue stick and a pushing member penetrating into the shell, the shell being provided with a detachable part for loading the glue stick, the driving mechanism driving the pushing member to move axially along the shell, and the shell being connected to the glue outlet through the valve assembly; the shell is provided with a first connecting part for communicating with the inside of the shell and for introducing gas.

[0007] In a possible implementation, the detachable part comprises a first end cover arranged at the end of the shell, and the first end cover is separable from the shell.

[0008] In a possible implementation, the shell comprises a barrel part and a second end cover, the first end cover and the second end cover are respectively arranged at one end of the barrel part, the connecting part is arranged on the barrel part, and the pushing member penetrates through the second end cover and is in sliding fit with the second end cover through a sliding sealing member.

[0009] In a possible implementation, the pushing member comprises a rod part and a pressing part connected to the rod part, and the diameter of the pressing part is smaller than the inner diameter of the tail cover of the glue stick.

[0010] In a possible implementation, the driving mechanism is a linear driving mechanism, and a pressure sensor is arranged between the pushing member and the driving mechanism, and the pressure sensor and the linear driving mechanism are electrically connected with the controller.

[0011] In a possible implementation, the linear driving mechanism is a screw nut pair driving mechanism driven by a servo motor, and the servo motor is electrically connected with the controller.

[0012] In a possible implementation, the valve assembly comprises a screw valve and a driving motor one driving the screw valve, the feeding end of the screw valve is communicated with the shell through a pipeline, and the discharging end of the screw valve is communicated with the glue discharging head.

[0013] In a possible implementation, the driving motor one is connected with the controller through an encoder.

[0014] In a possible implementation, the mounting bracket is further provided, and the glue pushing assembly, the driving mechanism and the valve assembly are arranged on the mounting bracket, and the mounting bracket is provided with a second connecting portion for connecting a mechanical arm.

[0015] In a possible implementation, the glue pushing assembly and the valve assembly are arranged on one side of the mounting bracket, the driving mechanism is arranged on the other side, and the driving mechanism is connected with the pushing member through a connecting piece.

[0016] Compared with the prior art, the glue pushing mechanism has the following beneficial effects:

[0017] The glue pushing mechanism has the following beneficial effects:

[0018] The glue pushing mechanism has the following beneficial effects: The glue pushing mechanism has the following beneficial effects:

[0019] Figure 1 It is a perspective view of the glue pushing mechanism from a first perspective;

[0020] Figure 2 It is a perspective view of the glue pushing mechanism from a second perspective, and the pipeline is hidden;

[0021] Figure 3It is a sectional view of a pushing assembly of a glue pushing mechanism;

[0022] Figure 4 It is a sectional view of a glue stick used by a glue pushing mechanism;

[0023] Figure 5 It is a sectional view of a valve assembly of a glue pushing mechanism;

[0024] Figure 6 It is a perspective view of a glue pushing mechanism when installed on a mechanical arm.

[0025] In the figure: 1-pushing assembly; 11-pushing member; 111-rod part; 112-pressing part; 12-second end cover; 13-cylinder part; 14-disassembly part; 141-first end cover; 15-first connecting part; 16-oil seal bushing; 2-driving mechanism; 21-servo motor; 22-guide rail; 23-sliding block; 3-valve assembly; 31-encoder; 32-driving motor one; 33-screw valve; 4-glue outlet head; 5-glue stick; 51-glue stick shell; 52-tail cover; 53-nozzle part; 6-pressure sensor; 7-pipeline; 8-connecting piece; 9-second connecting part; 10-mechanical arm; 100-mounting bracket. DETAILED DESCRIPTION

[0026] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be further described in detail below in combination with specific embodiments.

[0027] Please refer to Figures 1-4 The embodiment of the present application provides a glue pushing mechanism, which comprises a pushing assembly 1, a driving mechanism 2, a valve assembly 3 and a glue outlet head 4, the pushing assembly 1 comprises a shell for accommodating a glue stick 5 and a pushing member 11 penetrating into the shell, the shell is provided with a disassembly part 14 for loading the glue stick 5, the driving mechanism 2 drives the pushing member 11 to move axially along the shell, and the shell is communicated with the glue outlet head 4 through the valve assembly 3; the shell is provided with a first connecting part 15 which is communicated with the inside of the shell and used for introducing gas.

[0028] The glue pushing assembly 1 is used to push the glue stick 5, the glue stick 5 is installed through the shell capable of accommodating the glue stick 5, the glue stick 5 in the shell can be pressed through the pushing member 11, and then the glue in the glue stick 5 can be squeezed out and enter the glue outlet head 4 through the valve assembly 3 to be coated. The shell is provided with a dismounting part 14 capable of opening the shell, the glue stick 5 can be conveniently filled or removed through the dismounting part 14, the dismounting part 14 can be arranged at the axial end or the circumferential side of the shell, and the dismounting part 14 can be separated or arranged in a mounting structure similar to a hatch door, so as to conveniently fill and remove the glue stick 5, and is not limited. The driving mechanism 2 is used to drive the pushing member 11 to push the glue stick 5 along the axial direction of the glue stick 5, so that the glue in the glue stick 5 can be squeezed out from the head to the tail of the nozzle 53. Since the glue stick 5 is squeezed in the shell, there is an imbalance between the circumferential pressure and the end pressure, so the first connecting part 15 is arranged to facilitate the connection of the gas filling device, so that the internal pressure can be increased by introducing gas after connection to maintain the balance of the internal pressure, and prevent the glue stick 5 from overflowing during the glue pushing process. In the specific implementation process, the first connecting part 15 can be a connecting hole arranged on the shell.

[0029] Through the above technical scheme, the glue pushing assembly 1 is arranged through the dismounting part 14 to facilitate the filling and replacement of the glue stick 5, the glue in the glue stick 5 can be pushed out by the valve assembly 3 to the glue outlet head 4 for glue coating when the glue is squeezed out by the pushing member 11 driven by the driving mechanism 2, a new glue stick 5 can be filled after the glue stick 5 is used up by opening the dismounting part 14, which is convenient and fast, and also reduces the complexity and cost of the mechanism. The first connecting part 15 can facilitate the introduction of gas, the gas can balance the internal air pressure, and then prevent the glue stick 5 from overflowing at the tail, so that the glue pushing is more stable and smooth.

[0030] In an embodiment, the dismounting part 14 includes a first end cover 141 arranged at the end of the shell.

[0031] In this way, the first end cover 141 arranged at the end of the shell is used as the dismounting part 14, the shell end is opened by dismounting and separating the first end cover 141, and then the glue stick 5 can be conveniently put in or taken out; the connection mode of the first end cover 141 and the shell can be threaded connection or clamping, as long as it can facilitate the filling of the glue stick 5, and is not limited.

[0032] Further, the shell includes a cylinder part 13 and a second end cover 12, the first end cover 141 and the second end cover 12 are arranged at one end of the cylinder part 13 respectively, the connecting part is arranged on the cylinder part 13, and the pushing member 11 passes through the second end cover 12 and is in sliding fit with the second end cover 12 through a sliding seal.

[0033] In this way, the two ends of the cylinder portion 13 are connected with the first end cover 141 and the second end cover 12 respectively, the first end cover 141 is connected with the valve assembly 3 and the valve assembly 3 can be separated from the shell with the first end cover 141, the second end cover 12 is used for the push member 11 to pass through and simultaneously slide sealing by the sliding seal, so that the internal pressure can be relatively stable. Specifically, the sliding seal can be an oil seal bushing 16.

[0034] In order to be adapted to a glue stick 5, further, the push member 11 comprises a rod portion 111 and a pressing portion 112 connected with the rod portion 111, and the diameter of the pressing portion 112 is smaller than the inner diameter of the tail cover 52 of the glue stick 5.

[0035] As shown in Figure 4 The glue stick 5 adopts a glue stick 5 provided with a mouth portion 53 and a tail cover 52, the tail cover 52 is fixedly and sealingly arranged at the inner side of the glue stick shell 51, and the tail cover 52 is provided with a cylindrical groove structure, when the pressing portion 112 with the diameter smaller than the inner diameter of the tail cover 52 of the glue stick 5 axially presses the tail cover 52, the connection between the tail cover 52 and the cylindrical glue stick shell 51 will be broken, at this time, the tail cover 52 will move axially in the glue stick shell 51 as a piston to extrude the internal glue, when the tail cover 52 reaches the other end of the glue stick shell 51, the glue will be basically extruded, so as to realize the pushing of the glue, and at the same time, after the air is introduced through the first connecting portion 15, the larger internal air pressure can prevent the tail of the glue stick 5 from overflowing glue during the extrusion process.

[0036] Please continue to refer to Figures 1-4 In the embodiment of the application, the driving mechanism 2 is a linear driving mechanism, the push member 11 and the driving mechanism 2 are provided with a pressure sensor 6, and the pressure sensor 6 and the linear driving mechanism are simultaneously electrically connected with a controller (not shown in the figure).

[0037] The linear driving mechanism can drive the push member 11 to move linearly to push the glue linearly, the controller can directly obtain or obtain the moving stroke of the linear driving mechanism through a related position sensor, when the moving stroke and the moving stroke required by the current glue stick 5 corresponding to the current glue stick 5 are zero, the glue is completed. The pressure sensor 6 can be used for detecting the pressure change in the pushing process, and the feedback pressure parameter can facilitate the controller to control the linear driving mechanism to stop driving or to calibrate, such as the force feedback parameter obtained by the existing test after filling the new glue stick 5, the calibration 0 position, and the linear stroke parameter L of the total amount of the current glue stick 5 according to the test, the linear distance change X obtained by the driving parameter of the linear driving mechanism, when L-X=0, the glue is completed. Of course, the controller can adopt a controller with certain programming function, such as PLC controller, and is not limited.

[0038] Preferably, the linear driving mechanism is a screw-nut pair driving mechanism driven by a servo motor 21, and the servo motor 21 is electrically connected with the controller. The cooperation of the servo motor 21 and the screw-nut pair driving mechanism can realize more accurate driving, and the linear distance change X can be calculated by the servo motor 21 parameters + screw parameters, so that the glue output can be better controlled.

[0039] In a preferred embodiment of the valve assembly 3, the valve assembly 3 comprises a screw valve 33 and a driving motor 32 driving the screw valve 33, and the feeding end of the screw valve 33 is communicated with the housing through a pipeline 7, and the discharging end of the screw valve 33 is communicated with the glue head 4. Figure 5 As shown in the drawings, the valve assembly 3 comprises a screw valve 33 and a driving motor 32 driving the screw valve 33, and the feeding end of the screw valve 33 is communicated with the housing through a pipeline 7, and the discharging end of the screw valve 33 is communicated with the glue head 4.

[0040] The driving motor 32 drives the screw valve 33 to run, and the screw valve 33 can deliver the glue in the screw valve 33 to the glue head 4 through the pipeline 7, and the screw valve 33 as a conveying component can also facilitate accurate control of the glue output. The first end cover 141 is also provided with a connecting nozzle for connecting the pipeline 7.

[0041] On this basis, the driving motor 32 is connected with the controller through an encoder 31. The encoder 31 can facilitate the collection of the displacement of the rotating shaft of the driving motor 32 and generate a pulse signal feedback to the controller, so as to facilitate the coordination with the servo motor 21 of the linear driving mechanism to realize accurate control of the glue output.

[0042] In order to facilitate the connection of a movable mechanism such as a mechanical arm 10 for gluing work, as shown in Figure 1 and Figure 6 The mounting bracket 100 is provided with a second connecting part 9 for connecting the mechanical arm 10.

[0043] The pushing glue assembly 1, the driving mechanism 2 and the valve assembly 3 provided on the mounting bracket 100 can move integrally with the mounting bracket 100, so that the mechanical arm 10 connected with the mounting bracket 100 through the second connecting part 9 can move flexibly to realize multi-angle gluing of the target workpiece or part, which is more convenient and practical. Specifically, the second connecting part 9 is a connecting plate connected perpendicularly with the mounting bracket 100.

[0044] Specifically, the pushing glue assembly 1 and the valve assembly 3 are arranged on one side of the mounting bracket 100, and the driving mechanism 2 is arranged on the other side, and the driving mechanism 2 is connected with the pushing member 11 through the connecting piece 8.

[0045] In order to better linear drive, the linear drive mechanism further comprises a guide rail 22 and a sliding block 23 slidingly arranged on the guide rail 22, the guide direction of the guide rail 22 is parallel to the moving direction of the pushing member 11, and the sliding block 23 is connected with a lead screw nut pair drive mechanism (not shown in the figure) driven by the servo motor 21, the lead screw nut pair drive mechanism is arranged inside the guide rail 22, so that the sliding block 23 can move linearly under the driving of the servo motor 21, the push rod can be driven to move linearly through the connecting piece 8 while the sliding block 23 moves, and then the pushing and gluing action can be realized.

[0046] The use method of the gluing and pushing mechanism in the embodiment of the application is as follows:

[0047] 1. Artificially filling the branch-shaped glue;

[0048] 2. The controller controls the linear drive mechanism to drive the pushing member 11 to reset, and detects the resetting to 0 point through the pressure sensor 6;

[0049] 3. Normally performing the gluing operation, and setting different glue discharging amounts according to different glue sticks 5 products;

[0050] 4. Giving a glue changing signal after detecting that the gluing is completed.

[0051] The above is only the preferred embodiment of the application, and it should be pointed out that the above preferred embodiment should not be regarded as the limitation of the application, and the protection scope of the application should be limited by the scope defined by the claims. For ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the spirit and scope of the application, and these improvements and refinements should also be regarded as the protection scope of the application.

Claims

1. A gluing and pushing mechanism, characterized in that, The application relates to a glue pushing device, which comprises a glue pushing assembly (1), a driving mechanism (2), a valve assembly (3) and a glue outlet head (4), the glue pushing assembly (1) comprises a shell for accommodating a glue stick (5) and a pushing member (11) penetrating into the shell, the shell is provided with a detachable part (14) for loading the glue stick (5), the driving mechanism (2) drives the pushing member (11) to move axially along the shell, and the shell is communicated with the glue outlet head (4) through the valve assembly (3); the shell is provided with a first connecting part (15) communicated with the inside of the shell and used for introducing gas.

2. The gluing and pushing mechanism according to claim 1, wherein The detachable part (14) comprises a first end cover (141) arranged at the end of the shell, and the first end cover (141) is separable from the shell.

3. A gluing and pushing mechanism according to claim 2, characterized in that The shell comprises a cylinder part (13) and a second end cover (12), the first end cover (141) and the second end cover (12) are arranged at one end of the cylinder part (13) respectively, the connecting part is arranged on the cylinder part (13), and the pushing member (11) penetrates through the second end cover (12) and is in sliding fit with the second end cover (12) through a sliding sealing piece.

4. The gluing and pushing mechanism according to claim 2, wherein The pushing member (11) comprises a rod part (111) and a pressing part (112) connected with the rod part (111), and the diameter of the pressing part (112) is smaller than the inner diameter of a tail cover (52) of the glue stick (5).

5. The gluing and pushing mechanism according to claim 1, wherein The driving mechanism (2) is a linear driving mechanism, a pressure sensor (6) is arranged between the pushing member (11) and the driving mechanism (2), and the pressure sensor (6) and the linear driving mechanism are simultaneously electrically connected with a controller.

6. A gluing and pushing mechanism according to claim 5, characterized in that The linear driving mechanism is a screw nut pair driving mechanism driven by a servo motor (21), and the servo motor (21) is electrically connected with the controller.

7. The gluing and pushing mechanism according to claim 1 or 5, wherein The valve assembly (3) comprises a screw valve (33) and a driving motor (32) for driving the screw valve (33), the feeding end of the screw valve (33) is communicated with the shell through a pipeline (7), and the discharging end of the screw valve (33) is communicated with the glue outlet head (4).

8. A gluing and pushing mechanism according to claim 7, characterized in that The driving motor (32) is connected with the controller through an encoder (31).

9. The gluing and pushing mechanism according to claim 1, wherein The glue pushing device further comprises a mounting bracket (100), the glue pushing assembly (1), the driving mechanism (2) and the valve assembly (3) are arranged on the mounting bracket (100), and the mounting bracket (100) is provided with a second connecting part (9) used for connecting a mechanical arm (10).

10. The gluing and pushing mechanism according to claim 9, wherein The glue pushing assembly (1) and the valve assembly (3) are arranged on one side of the mounting bracket (100), the driving mechanism (2) is arranged on the other side, and the driving mechanism (2) is connected with the pushing member (11) through a connecting piece (8).

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