Dispensing head and dispensing device

Abstract

The utility model belongs to the technical field of automatic processing, and particularly relates to a dispensing head and a dispensing device, the dispensing head comprises a lifting driving assembly, a support plate, a rotary driving assembly, a reset sensing assembly, a dispensing valve mounted on the support plate, and a dispensing pipe rotationally mounted on the dispensing valve; the supporting plate is installed at the output end of the lifting driving assembly. The rotary driving assembly is installed on the supporting plate and connected with the dispensing pipe. The reset sensing assembly comprises a sensing piece installed on the dispensing pipe and a sensor installed on the supporting plate. And the rotary driving assembly is used for driving the dispensing pipe to rotate until the induction sheet is inserted into the groove of the inductor so as to finish resetting of the dispensing pipe. According to the glue dispensing head, when the induction sheet on the glue dispensing pipe is inserted into the groove of the inductor, the glue dispensing pipe is rotated to the reset position, so that a positioning mechanism does not need to be additionally arranged for the glue dispensing head, the compactness of the glue dispensing head is improved, and the working space required when the glue dispensing head works is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automated processing, in particular to a glue dispensing head and a glue dispensing device. Background Art

[0002] Gluing is to apply, fill, and drip electronic glue, oil, etc. to specific locations on products in order to achieve the effects of adhesion, filling, insulation, fixation, and smooth surface. In the manufacturing process of 3C products (computers, communications, and consumer electronics), it is often necessary to use related equipment to perform glue dispensing on products.

[0003] The dispensing machine can automatically complete the automatic dispensing of products, and the dispensing head is the part of the dispensing machine that automatically dispenses glue. After the dispensing head completes the dispensing work, it needs to complete the reset work; in the prior art, the three-axis drive part on the dispensing device needs to drive the dispensing head to move to the positioning mechanism to complete the reset work; this positioning method not only makes the dispensing machine structure complicated, but also requires a larger operating space. Utility Model Content

[0004] The utility model solves the technical problems of the prior art glue dispensing machine having a complex structure and requiring a large operating workpiece, and provides a glue dispensing head and a glue dispensing device.

[0005] In view of the above problems, the embodiment of the utility model provides a dispensing head, comprising a lifting drive assembly, a support plate, a rotation drive assembly, a reset sensing assembly, a dispensing valve mounted on the support plate, and a dispensing tube rotatably mounted on the dispensing valve; the support plate is mounted on the output end of the lifting drive assembly, the rotation drive assembly is mounted on the support plate and connected to the dispensing tube;

[0006] The reset sensing component includes a sensing sheet installed on the dispensing tube and a sensor installed on the support plate; the rotary drive component is used to drive the dispensing tube to rotate until the sensing sheet is inserted into the groove of the sensor to complete the resetting of the dispensing tube.

[0007] Optionally, the rotary drive assembly includes a first rotary drive member, a first synchronous wheel, a second synchronous wheel and a synchronous belt sleeved between the first synchronous wheel and the second synchronous wheel; the first rotary drive member is installed on the support plate, the first synchronous wheel is installed at the output end of the first rotary drive member, and the second synchronous wheel is sleeved on the dispensing tube.

[0008] Optionally, the dispensing head also includes a back plate, and the lifting drive assembly includes a second rotating drive member, a screw rotatably mounted on the back plate, and a nut threadedly sleeved on the screw; the nut is mounted on the support plate, and the second rotating drive member is mounted on the back plate and connected to the screw.

[0009] Optionally, the dispensing head further includes a first guide rail mounted on the back plate and a first slider mounted on the support plate, the first slider is slidably connected to the first guide rail, and the first guide rail is arranged parallel to the screw rod.

[0010] Optionally, the dispensing head further includes a support frame mounted on the back plate and a visual camera mounted on the support frame.

[0011] Optionally, the dispensing head further includes a light source emitter mounted on the support frame, and the light source emitter is located below the visual camera.

[0012] Optionally, the glue dispensing tube includes a glue outlet tube, a connecting ring and a glue dispensing needle tube; the glue outlet tube is rotatably mounted on the glue dispensing valve, and the glue dispensing needle tube is detachably mounted on one end of the glue outlet tube away from the glue dispensing valve through the connecting ring.

[0013] Optionally, the dispensing needle tube includes a vertical tube section and a bent tube section connected to the vertical tube section, the vertical tube section is coaxially arranged with the glue outlet pipe, and the angle between the bent tube section and the vertical tube section is an acute angle.

[0014] Another embodiment of the utility model further provides a glue dispensing device, comprising the above-mentioned glue dispensing head.

[0015] In the utility model, the rotary drive assembly is installed on the support plate and connected to the dispensing tube. The rotary drive assembly can drive the dispensing tube to rotate. When the sensor sheet on the dispensing tube is inserted into the groove of the sensor, it indicates that the dispensing tube has been rotated to the reset position, thereby eliminating the need to set up a positioning mechanism for the dispensing head, thereby improving the compactness of the dispensing head and reducing the working space required for the dispensing head to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 A schematic diagram of the structure of a dispensing head provided in one embodiment of the utility model;

[0018] Figure 2 A schematic structural diagram of a dispensing head from another perspective provided in one embodiment of the utility model.

[0019] The reference numerals in the specification are as follows:

[0020] 1. Lifting drive assembly; 11. Second rotary drive member; 12. Screw; 13. First guide rail; 14. First slider; 15. Nut; 2. Support plate; 3. Rotation drive assembly; 31. First rotary drive member; 32. First synchronous wheel; 33. Second synchronous wheel; 4. Glue dispensing valve; 5. Glue dispensing tube; 51. Glue outlet tube; 52. Connecting ring; 53. Glue dispensing needle tube; 61. Sensor sheet; 62. Sensor; 7. Back plate; 71. Support frame; 8. Visual camera; 9. Light source emitter. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0023] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides a dispensing head, including a lifting drive component 1, a support plate 2, a rotation drive component 3, a reset sensing component, a dispensing valve 4 installed on the support plate 2, and a dispensing tube 5 rotatably installed on the dispensing valve 4; the support plate 2 is installed at the output end of the lifting drive component 1, and the rotation drive component 3 is installed on the support plate 2 and connected to the dispensing tube 5; it can be understood that the lifting drive component 1 includes but is not limited to a linear motor, a hydraulic cylinder, a pneumatic cylinder, and a screw nut mechanism, etc., and the rotation drive component 3 includes but is not limited to a rotating motor, a gear mechanism, etc.; after the dispensing tube 5 is installed on the dispensing valve 4, the dispensing tube 5 is also connected to the dispensing valve 4, so that the dispensing valve 4 can control whether the dispensing tube 5 discharges glue and the dispensing speed, etc.

[0024] The reset sensing assembly includes a sensing sheet 61 mounted on the dispensing tube 5 and a sensor 62 mounted on the support plate 2; the rotary drive assembly 3 is used to drive the dispensing tube 5 to rotate until the sensing sheet 61 is inserted into the groove of the sensor 62 to complete the reset of the dispensing tube 5. It can be understood that the sensor 62 includes but is not limited to a laser sensor, etc. When the sensing sheet 61 is inserted into the groove of the sensor 62, the sensor 62 can sense that the dispensing tube 51 rotates to the reset position.

[0025] In the utility model, the rotary drive component 3 is installed on the support plate 2 and connected to the glue dispensing tube 5. The rotary drive component 3 can drive the glue dispensing tube 5 to rotate. When the sensor sheet 61 on the glue dispensing tube 5 is inserted into the groove of the sensor 62, it indicates that the glue dispensing tube 5 has been rotated to the reset position, so there is no need to set up a positioning mechanism for the glue dispensing head, which improves the compactness of the glue dispensing head and reduces the working space required for the glue dispensing head to work.

[0026] In one embodiment, if Figure 1 As shown, the rotary drive assembly 3 includes a first rotary drive member 31, a first synchronous wheel 32, a second synchronous wheel 33, and a synchronous belt (not shown in the figure) sleeved between the first synchronous wheel 32 and the second synchronous wheel 33; the first rotary drive member 31 is installed on the support plate 2, the first synchronous wheel 32 is installed at the output end of the first rotary drive member 31, and the second synchronous wheel 33 is sleeved on the dispensing tube 5. It can be understood that the first rotary drive member 31 includes but is not limited to a rotary motor, a rotary cylinder, etc. Specifically, the first rotary drive member 31 drives the first synchronous wheel 32 to rotate, the first synchronous wheel 32 drives the second synchronous wheel 33 to rotate through the synchronous belt, and the second synchronous wheel 33 drives the dispensing tube 5 to rotate around the dispensing tube 5. In this embodiment, the rotary drive assembly 3 has a compact structure and occupies a small space.

[0027] In one embodiment, if Figure 1 and Figure 2As shown, the dispensing head also includes a back plate 7, and the lifting drive assembly 1 includes a second rotary drive member 11, a screw 12 rotatably mounted on the back plate 7, and a nut 15 threadedly sleeved on the screw 12; the nut 15 is mounted on the support plate 2, and the second rotary drive member 11 is mounted on the back plate 7 and connected to the screw 12. It can be understood that the second rotary drive member 11 includes but is not limited to a rotary motor, a rotary cylinder, etc. Specifically, the second rotary drive member 11 drives the screw 12 to rotate, and the screw 12 drives the support plate 2 to move up and down through the nut 15, thereby realizing the function of the lifting drive assembly 1 driving the support plate 2 and the dispensing valve 4, the dispensing tube 5, etc. thereon to move up and down. In this embodiment, the lifting drive assembly 1 has a compact structure and occupies a small space.

[0028] In one embodiment, if Figure 1 and Figure 2 As shown, the dispensing head also includes a first guide rail 13 installed on the back plate 7 and a first slider 14 installed on the support plate 2, the first slider 14 is slidably connected to the first guide rail 13, and the first guide rail 13 is arranged parallel to the screw rod 12. It can be understood that the first guide rail 13 and the screw rod 12 are both installed on the back plate 7 in the vertical direction. Specifically, when the lifting drive assembly 1 drives the support plate 2, the support plate 2 slides on the first guide rail 13 through the first slider 14, thereby ensuring the stability of the support plate 2 moving up and down.

[0029] Preferably, the screw rod 12 and the first guide rail 13 are arranged side by side, thereby further improving the compactness of the dispensing head.

[0030] In one embodiment, if Figure 1 and Figure 2 As shown, the dispensing head further includes a support frame 71 mounted on the back plate 7 and a visual camera 8 mounted on the support frame 71. It can be understood that the visual camera 8 can automatically identify the part to be dispensed on the part to be dispensed, so that the dispensing device drives the dispensing head to move according to the identified trajectory, and the dispensing head completes the dispensing work of the part to be dispensed on the part to be dispensed, thereby improving the automation of the dispensing device.

[0031] In one embodiment, if Figure 1 and Figure 2As shown, the dispensing head also includes a light source emitter 9 mounted on the support frame 71, and the light source emitter 9 is located below the visual camera 8. It can be understood that the light source emitter 9 can provide a lighting environment for the visual camera 8, thereby ensuring the clarity of the photos taken by the visual camera 8. In this embodiment, the visual camera 8 and the light source emitter 9 are also integrated on the dispensing head, further improving the compactness of the dispensing head.

[0032] In one embodiment, if Figure 1 and Figure 2 As shown, the dispensing tube 5 includes a dispensing tube 51, a connecting ring 52 and a dispensing needle tube 53; the dispensing tube 51 is rotatably mounted on the dispensing valve 4, and the dispensing needle tube 53 is detachably mounted on the end of the dispensing tube 51 away from the dispensing valve 4 through the connecting ring 52. It can be understood that the dispensing needle tube 53 is connected to the dispensing valve 5 through the dispensing tube 51; specifically, the dispensing tube 51 is provided with a first external thread section, the dispensing needle tube 53 is provided with a second external thread section, and the connecting ring 52 is provided with an internal thread hole, and the first external thread section and the second external thread section are both threadedly connected in the internal thread hole, so that the connecting ring 52 connects the dispensing tube 51 and the dispensing needle tube 53 together, and the disassembly and assembly between the connecting ring 52, the dispensing tube 51 and the dispensing needle tube 53 are simple.

[0033] In one embodiment, if Figure 1 and Figure 2 As shown, the dispensing needle tube 53 includes a vertical tube section and a bent tube section connected to the vertical tube section, the vertical tube section is coaxially arranged with the glue outlet tube 51, and the angle between the bent tube section and the vertical tube section is an acute angle. It can be understood that the angle between the straight tube section and the bent tube section can be designed according to actual needs; in this embodiment, the design of the bent tube section enables the dispensing needle tube 53 to perform dispensing operations on complex padding parts, thereby improving the applicability and versatility of the dispensing head.

[0034] Another embodiment of the utility model further provides a glue dispensing device, comprising the above-mentioned glue dispensing head.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dispensing head, characterized in that: It includes a lifting drive component, a support plate, a rotation drive component, a reset sensing component, a dispensing valve installed on the support plate, and a dispensing tube rotatably installed on the dispensing valve; the support plate is installed at the output end of the lifting drive component, and the rotation drive component is installed on the support plate and connected to the dispensing tube; The reset sensing component includes a sensing sheet installed on the dispensing tube and a sensor installed on the support plate; the rotary drive component is used to drive the dispensing tube to rotate until the sensing sheet is inserted into the groove of the sensor to complete the resetting of the dispensing tube.

2. The dispensing head according to claim 1, characterized in that: The rotary drive assembly includes a first rotary drive member, a first synchronous wheel, a second synchronous wheel and a synchronous belt sleeved between the first synchronous wheel and the second synchronous wheel; the first rotary drive member is mounted on the support plate, the first synchronous wheel is mounted on the output end of the first rotary drive member, and the second synchronous wheel is sleeved on the dispensing tube.

3. The dispensing head according to claim 1, characterized in that: The dispensing head also includes a back plate, and the lifting drive assembly includes a second rotary drive member, a screw rotatably mounted on the back plate, and a nut threadedly sleeved on the screw; The nut is mounted on the support plate, and the second rotary drive member is mounted on the back plate and connected to the screw rod.

4. The dispensing head according to claim 3, characterized in that: The dispensing head also includes a first guide rail installed on the back plate and a first slider installed on the support plate. The first slider is slidably connected to the first guide rail, and the first guide rail is arranged parallel to the screw rod.

5. The dispensing head according to claim 3, characterized in that: The dispensing head also includes a support frame installed on the back plate and a visual camera installed on the support frame.

6. The dispensing head according to claim 5, characterized in that: The dispensing head also includes a light source emitter installed on the support frame, and the light source emitter is located below the visual camera.

7. The dispensing head according to claim 1, characterized in that: The glue dispensing tube comprises a glue outlet tube, a connecting ring and a glue dispensing needle tube; the glue outlet tube is rotatably mounted on the glue dispensing valve, and the glue dispensing needle tube is detachably mounted on one end of the glue outlet tube away from the glue dispensing valve through the connecting ring.

8. The dispensing head according to claim 7, characterized in that: The dispensing needle tube comprises a vertical tube section and a bent tube section connected to the vertical tube section, the vertical tube section is coaxially arranged with the dispensing tube, and the angle between the bent tube section and the vertical tube section is an acute angle.

9. A dispensing device, characterized in that: It comprises a dispensing head as described in any one of claims 1 to 8.

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