Dispensing device with continuous piston metering function

Abstract

The utility model relates to the technical field of dispensing equipment, and discloses a continuous piston metering dispensing device which comprises a bottom table, a supporting rod is fixedly connected to the edge of the top of the bottom table, a lead screw is rotatably connected to the interior of the supporting rod, and a connecting block is in threaded connection with the surface of the lead screw. And one side of the connecting block is fixedly connected with a dispensing assembly. By arranging the dispensing assembly, when a worker uses the dispensing device, the servo motor B is connected to an external power supply to be electrified and drives the flat-top plug to reciprocate in the shell through the push rod, when the flat-top plug moves upwards, the air pressure at the bottom of the flat-top plug is reduced, and the outlet valve is pressed and closed; and meanwhile, when the glue bottle pushes the inlet valve open to enter the shell and the flat-top plug moves downwards, the air pressure at the bottom of the flat-top plug is increased, the inlet valve is pressed and closed, and the glue in the shell pushes the outlet valve open to be sprayed out from the spray head, so that the accuracy of the dispensing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing equipment, in particular to a continuous piston metering glue dispensing device. Background Art

[0002] A dispensing device is a device used to precisely control the flow and placement of glue or other adhesives. It is widely used in the electronics, automotive, and medical industries to precisely apply, drip, or coat glue to a specific location. A continuous piston-metered dispensing device is a high-precision dispensing device that uses a piston to control the amount of glue during continuous motion. This device is particularly suitable for applications requiring precise and stable dispensing.

[0003] Currently, existing dispensing devices on the market have the following disadvantages:

[0004] (1) Since the heights of the objects to be glued are different, the existing glue dispensing device is not convenient for adjusting the height of the objects to be glued according to the height of the objects to be glued, which reduces the applicability of the glue dispensing device;

[0005] (2) The existing dispensing device is not convenient for controlling the amount of glue applied each time through the piston, which reduces the accuracy of the dispensing device. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a continuous piston metering dispensing device.

[0007] The utility model is implemented by the following technical scheme: a continuous piston metering dispensing device, including a base, an empty slot is opened inside the base, a lifting assembly is fixedly connected inside the empty slot, a lifting plate is fixedly connected to the top of the lifting assembly, a support rod is fixedly connected to the edge of the top of the base, a screw rod is rotatably connected to the inside of the support rod, a connecting block is threadedly connected to the surface of the screw rod, and one side of the connecting block is fixedly connected to the dispensing assembly.

[0008] As a further improvement of the above scheme, the lifting assembly includes a servo motor A fixedly connected to the inside of the empty slot, the output end of the servo motor A is splined to the transmission rod A, one end of the transmission rod A is fixedly connected to the bevel gear A, the surface of the bevel gear A is meshed with the bevel gear B, the interior of the bevel gear B is sleeved with a threaded barrel, the bottom of the threaded barrel is rotatably connected to the base, the internal thread of the threaded barrel is threadedly connected to the threaded rod, and the top of the threaded rod is fixedly connected to the lifting plate.

[0009] Through the above technical solution, the setting of the lifting plate plays a role in supporting the objects that need to be adhered.

[0010] As a further improvement of the above scheme, the dispensing component includes a shell fixedly connected to one side of the connecting block, one side of the shell is fixedly connected to a motor box A, the interior of the motor box A is fixedly connected to the output end of the servo motor B, which is splined to a transmission rod B, one end of the transmission rod B is fixedly connected to a rotating disk, one side of the rotating disk is rotatably connected to a push rod, the bottom of the push rod is rotatably connected to a flat-top plug, the surface of the flat-top plug is slidably connected to the interior of the shell, and the bottom of the shell is fixedly connected to a nozzle.

[0011] Through the above technical solution and the setting of the nozzle, the purpose of controlling the glue spraying range is achieved.

[0012] As a further improvement of the above scheme, one end of the screw rod is fixedly connected to a C transmission rod, one end of the C transmission rod is splined to the output end of the C servo motor, the surface of the C servo motor is fixedly connected to a B motor box, and one end of the B motor box is fixedly connected to a support rod.

[0013] Through the above technical solution, through the setting of the C servo motor, the staff can control the rotation of the screw by inputting electrical signals, thereby controlling the position of the dispensing component and the nozzle.

[0014] As a further improvement of the above solution, one side of the support rod is fixedly connected to a limit plate, and the surface of the limit plate is slidably connected to a connection block.

[0015] Through the above technical solution and the provision of the limiting plate, the purpose of limiting the rotation of the connecting block is achieved.

[0016] As a further improvement of the above solution, a connecting pipe is connected through the surface of the shell, one end of the connecting pipe is threadedly connected to a glue bottle, an inlet valve is provided inside the connecting pipe, and an outlet valve is provided on the side of the shell near the flat-top plug.

[0017] Through the above technical solution, by arranging the connecting pipe and the glue bottle, the purpose of facilitating the addition of glue is achieved.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model sets a lifting component. When the staff uses the dispensing device, they connect the A servo motor to the external power supply and energize it, so that the A transmission rod drives the A bevel gear to rotate, and drives the B bevel gear to rotate through the gear meshing, and drives the threaded barrel to rotate at the same time. Because the lifting plate is restricted by the support rod and cannot rotate and is connected to the threaded rod, the threaded rod is pushed by the thread during the rotation of the threaded barrel to drive the lifting plate to rise or fall, so that the high dispensing device can adjust the object placement height according to the height of the object to be adhered, thereby improving the applicability of the dispensing device.

[0020] The utility model is provided with a dispensing component. When a staff member uses the dispensing device, he connects the B servo motor to an external power supply and energizes it, so that the B transmission rod drives the rotating disk to rotate, and drives the flat-top plug to reciprocate inside the shell through the push rod. When the flat-top plug moves upward, the air pressure at the bottom of the flat-top plug decreases, the outlet valve is pressed and closed, and at the same time, the glue bottle pushes the inlet valve open to enter the shell. When the flat-top plug moves downward, the air pressure at the bottom of the flat-top plug increases, the inlet valve is pressed and closed, and at the same time, the glue in the shell pushes the outlet valve open to be sprayed from the nozzle, so that the dispensing device can control the amount of glue applied each time through the piston, thereby improving the accuracy of the dispensing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the lifting component of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the dispensing component of the utility model.

[0025] Description of main symbols:

[0026] 1. Base; 2. Lifting assembly; 201. Servo motor A; 202. Drive rod A; 203. Bevel gear A; 204. Bevel gear B; 205. Threaded barrel; 206. Threaded rod; 3. Lifting plate; 4. Support rod; 5. Screw; 6. Connecting block; 7. Glue dispensing assembly; 701. Housing; 702. Motor box A; 703. Servo motor B; 704. Drive rod B; 705. Rotating disk; 706. Push rod; 707. Flat-top plug; 8. Nozzle; 9. Servo motor C; 10. Motor box B; 11. Limit plate; 12. Connecting pipe; 13. Glue bottle. DETAILED DESCRIPTION

[0027] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] Example:

[0029] Please combine Figure 1-4, a continuous piston metering dispensing device of the present embodiment is implemented by the following technical solutions: a continuous piston metering dispensing device, comprising a base 1, an empty slot is opened inside the base 1, and a lifting assembly 2 is fixedly connected to the inside of the empty slot. By setting the lifting assembly 2, when the staff uses the dispensing device, they connect the A servo motor 201 to the external power supply and energize it, so that the A transmission rod 202 drives the A bevel gear 203 to rotate, and drives the B bevel gear 204 to rotate through the gear meshing, and at the same time drives the threaded cylinder 205 to rotate. Since the lifting plate 3 is restricted by the support rod 4 and cannot rotate and is connected to the threaded rod 206, the threaded cylinder 205 pushes the threaded rod 206 to drive the lifting plate 3 to rise or fall during the rotation of the threaded cylinder 205, so that the high dispensing device can adjust the object placement height according to the height of the object to be adhered, thereby improving the applicability of the dispensing device, the top of the lifting assembly 2 is fixedly connected to the lifting plate 3, and the top of the base 1 The edge of the glue dispensing device is fixedly connected to a support rod 4, and the inner rotation of the support rod 4 is connected to a screw rod 5, and the surface of the screw rod 5 is threadedly connected to a connecting block 6, and one side of the connecting block 6 is fixedly connected to a glue dispensing component 7. By setting the glue dispensing component 7, when the staff uses the glue dispensing device, they connect the B servo motor 703 to an external power supply to energize it, so that the B transmission rod 704 drives the rotating disk 705 to rotate, and drives the flat-top plug 707 to reciprocate inside the shell 701 through the push rod 706. When the flat-top plug 707 moves upward, the air pressure at the bottom of the flat-top plug 707 decreases, and the outlet valve is pressed and closed. At the same time, the glue bottle 13 pushes the inlet valve open to enter the shell 701. When the flat-top plug 707 moves downward, the air pressure at the bottom of the flat-top plug 707 increases, and the inlet valve is pressed and closed. At the same time, the glue in the shell 701 pushes the outlet valve open and is sprayed from the nozzle 8, so that the glue dispensing device can control the amount of glue applied each time by the piston, thereby improving the accuracy of the glue dispensing device.

[0030] The lifting component 2 includes an A servo motor 201 fixedly connected to the inside of the empty slot, the output end of the A servo motor 201 is splined to the A transmission rod 202, one end of the A transmission rod 202 is fixedly connected to the A bevel gear 203, the surface of the A bevel gear 203 is meshed with the B bevel gear 204, the inside of the B bevel gear 204 is sleeved with a threaded barrel 205, the bottom of the threaded barrel 205 is rotatably connected to the base 1, the internal thread of the threaded barrel 205 is threadedly connected to the threaded rod 206, the top of the threaded rod 206 is fixedly connected to the lifting plate 3, and the setting of the lifting plate 3 plays a role in supporting the object that needs to be adhered.

[0031] The glue dispensing component 7 includes a shell 701 fixedly connected to one side of the connecting block 6, one side of the shell 701 is fixedly connected to the A motor box 702, the interior of the A motor box 702 is fixedly connected to the output end of the B servo motor 703 is splined to the B transmission rod 704, one end of the B transmission rod 704 is fixedly connected to the rotating disk 705, one side of the rotating disk 705 is rotatably connected to the push rod 706, the bottom of the push rod 706 is rotatably connected to the flat-top plug 707, the surface of the flat-top plug 707 is slidably connected to the interior of the shell 701, and the bottom of the shell 701 is fixedly connected to the nozzle 8. Through the setting of the nozzle 8, the purpose of controlling the glue spraying range is achieved.

[0032] One end of the screw rod 5 is fixedly connected to the C transmission rod, one end of the C transmission rod is splined to the output end of the C servo motor 9, the surface of the C servo motor 9 is fixedly connected to the B motor box 10, and one end of the B motor box 10 is fixedly connected to the support rod 4. Through the setting of the C servo motor 9, the staff can control the rotation of the screw rod 5 by inputting electrical signals, thereby controlling the position of the dispensing component 7 and the nozzle 8.

[0033] One side of the support rod 4 is fixedly connected to a limit plate 11 , and the surface of the limit plate 11 is slidably connected to the connection block 6 . The setting of the limit plate 11 can achieve the purpose of limiting the rotation of the connection block 6 .

[0034] A connecting tube 12 is connected to the surface of the housing 701. One end of the connecting tube 12 is threadedly connected to a glue bottle 13. An inlet valve is provided inside the connecting tube 12. An outlet valve is provided on the side of the housing 701 near the flat-top plug 707. The arrangement of the connecting tube 12 and the glue bottle 13 facilitates the addition of glue.

[0035] The implementation principle of a continuous piston metering dispensing device in the embodiment of the present application is as follows: when the staff uses the dispensing device, they connect the A servo motor 201 to the external power supply and energize it, so that the A transmission rod 202 drives the A bevel gear 203 to rotate, and drives the B bevel gear 204 to rotate through the gear meshing, and drives the threaded cylinder 205 to rotate at the same time. Since the lifting plate 3 is restricted by the support rod 4 and cannot rotate and is connected to the threaded rod 206, the threaded cylinder 205 drives the lifting plate 3 to rise or fall to a suitable position through the thread pushing the threaded rod 206 during the rotation process. Then the staff The staff connects the B servo motor 703 to an external power supply and powers it on, so that the B transmission rod 704 drives the rotating disk 705 to rotate, and drives the flat-top plug 707 to reciprocate inside the shell 701 through the push rod 706. When the flat-top plug 707 moves upward, the air pressure at the bottom of the flat-top plug 707 decreases, and the outlet valve is pressed closed. At the same time, the glue bottle 13 pushes open the inlet valve and enters the interior of the shell 701. When the flat-top plug 707 moves downward, the air pressure at the bottom of the flat-top plug 707 increases, and the inlet valve is pressed closed. At the same time, the glue in the shell 701 pushes open the outlet valve and is sprayed out from the nozzle 8.

[0036] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A continuous piston metering dispensing device, comprising a base (1), characterized in that: The base (1) is provided with an empty slot inside, a lifting assembly (2) is fixedly connected inside the empty slot, a lifting plate (3) is fixedly connected to the top of the lifting assembly (2), a support rod (4) is fixedly connected to the edge of the top of the base (1), a screw rod (5) is rotatably connected inside the support rod (4), a connecting block (6) is threadedly connected to the surface of the screw rod (5), and a glue dispensing assembly (7) is fixedly connected to one side of the connecting block (6); The lifting assembly (2) comprises an A servo motor (201) fixedly connected to the inside of the empty slot, the output end of the A servo motor (201) is spline-connected to an A transmission rod (202), one end of the A transmission rod (202) is fixedly connected to an A bevel gear (203), the surface of the A bevel gear (203) is meshingly connected to a B bevel gear (204), the interior of the B bevel gear (204) is sleeved with a threaded barrel (205), the bottom of the threaded barrel (205) is rotatably connected to the base (1), the interior of the threaded barrel (205) is threadedly connected to a threaded rod (206), and the top of the threaded rod (206) is fixedly connected to the lifting plate (3); The dispensing assembly (7) comprises a housing (701) fixedly connected to one side of the connecting block (6); a motor box A (702) is fixedly connected to one side of the housing (701); an output end of a servo motor B (703) is fixedly connected to the interior of the motor box A (702); a transmission rod B (704) is spline-connected to one end of the transmission rod B (704); a rotating disk (705) is fixedly connected to one side of the rotating disk (705); a push rod (706) is rotatably connected to the bottom of the push rod (706); a flat-top plug (707) is rotatably connected to the interior of the housing (701); and a nozzle (8) is fixedly connected to the bottom of the housing (701).

2. A continuous piston metering dispensing device according to claim 1, characterized in that: One end of the screw rod (5) is fixedly connected to a C transmission rod, one end of the C transmission rod is spline-connected to the output end of a C servo motor (9), a surface of the C servo motor (9) is fixedly connected to a B motor box (10), and one end of the B motor box (10) is fixedly connected to a support rod (4).

3. The continuous piston metering dispensing device according to claim 1, characterized in that: One side of the support rod (4) is fixedly connected to a limit plate (11), and a surface of the limit plate (11) is slidably connected to a connection block (6).

4. The continuous piston metering dispensing device according to claim 1, characterized in that: A connecting pipe (12) is connected through the surface of the housing (701), one end of the connecting pipe (12) is threadedly connected to a glue bottle (13), an inlet valve is provided inside the connecting pipe (12), and an outlet valve is provided on one side of the housing (701) close to the flat-top plug (707).

Images