An efficient glue injection pump

Abstract

The present invention discloses an efficient glue injection pump, belonging to the technical field of pump body equipment. It includes: a pump body and a motor. The pump body includes a housing, a rotor and a linkage component. Liquid inlet chambers and liquid outlet chambers are respectively formed on both sides of the housing. A plurality of card slots are formed on the outer side of the rotor, and a pushing mechanism is installed in each of the plurality of card slots. The pushing mechanism includes a piston, a plurality of springs and a transmission component. An annular groove is formed inside the rotor, and an annular body is rotatably sleeved in the middle of the rotor. A convex block is fixedly installed on one side of the annular body close to the liquid inlet chamber. Multiple groups of transmission components alternately contact the convex block. Two connecting rods are symmetrically and slidably installed in the radial direction on the front side of the housing, and the inner ends of the two connecting rods are fixedly connected to the front side of the annular body. The outer ends of the two connecting rods are connected with an adjusting mechanism. An overflow groove is formed on the inner wall of the upper end of the housing, and the overflow groove is communicated with the liquid outlet chamber. The present invention effectively solves the problem that the rotor needs to rotate half a turn to realize the pushing of the glue liquid, resulting in low efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of pump body equipment, and particularly to an efficient glue injection pump. Background Art

[0002] In existing industrial production, a glue injection device is often required to inject some colloidal fluids onto the surface of products or into some small gaps. The glue injection pump is mainly used to transport high-viscosity fluid media and can be used to achieve dotting, line drawing, circular or arc-shaped operations.

[0003] Among existing glue injection pumps, the gear pump is a commonly used pump body structure. For example, the invention patent application with the publication number CN119288856A discloses a glue injection gear pump for intelligent industrial production, and the patent with the publication number CN107614876B discloses a gear pump. In the above pump bodies, through the meshing of the rotors, high-pressure and low-pressure areas are formed to achieve the transportation of glue liquid. The rotor needs to rotate half a turn to push the glue liquid, resulting in low efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide an efficient glue injection pump to solve the problem that the rotor needs to rotate half a turn to push the glue liquid, resulting in low efficiency as proposed in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] An efficient glue injection pump, comprising: a pump body and a motor. The pump body includes a housing, a rotor, and a linkage component. The linkage component is used for torque transmission between the output end of the motor and the rotor.

[0007] The rotor is rotatably sleeved in the housing and is in sealed sliding contact with the inner wall of the housing. Liquid inlet chambers and liquid outlet chambers are respectively opened on both sides of the housing. A plurality of clamping grooves are opened on the outer side of the rotor, and a pushing mechanism is installed in each of the plurality of clamping grooves.

[0008] The pushing mechanism includes a piston, a plurality of springs, and a transmission component. The piston is sealingly and slidably sleeved in the clamping groove. The plurality of springs are all arranged in the clamping groove and are respectively fixedly connected to the inner end of the piston and the inner wall of the clamping groove at both ends. An annular groove is opened inside the rotor, and an annular body is rotatably sleeved in the middle of the rotor. A convex block is fixedly installed on one side of the annular body close to the liquid inlet chamber. Multiple groups of transmission components alternately contact the convex block, and the piston reciprocates under the drive of the transmission component and the spring.

[0009] Two connecting rods are symmetrically and slidably installed radially on the front side of the housing. The inner ends of the two connecting rods are fixedly connected to the front side of the annular body, and the outer ends of the two connecting rods are connected to an adjusting mechanism.

[0010] An overflow groove is opened on the inner wall of the upper end of the housing, and the overflow groove is communicated with the liquid outlet chamber.

[0011] Preferably, the linkage component includes a main shaft, a coupling, and two connecting rods. The two connecting rods are horizontally arranged radially and symmetrically. The two ends of each connecting rod are fixedly connected to the back surface of the housing and the front end surface of the motor respectively. A diversion pipe is horizontally and fixedly installed at the port of the liquid inlet cavity, and a drain pipe is horizontally and fixedly installed at the port of the liquid outlet cavity. The main shaft is horizontally and radially rotatably sleeved in the housing and penetrates through the front and back sides of the housing. The rotor is fixedly sleeved on the main shaft, and the output end of the motor is fixedly connected to the tail end of the main shaft through a coupling.

[0012] Preferably, the transmission component includes a support plate, a gear, a pin rod, a first rack, a push rod, a second rack, and a ball. The two ends of the support plate are fixedly connected to the inner walls of both sides of the card slot respectively. The pin rod is fixedly installed on the support plate. The gear is rotatably sleeved on the pin rod. The end of the first rack is fixedly installed at the inner end of the piston. The push rod is slidably sleeved in the rotor, and both ends are respectively located in the card slot and the ring groove. The second rack is fixedly installed at the end of the push rod located in the card slot. Both the first rack and the second rack are meshed with the gear and are located on both sides. The ball is rotatably embedded at the end of the push rod located in the ring groove.

[0013] Preferably, the convex block is in a stepped shape, and the adjacent steps are smoothly connected. Multiple balls alternately roll into contact with the convex block.

[0014] Preferably, the adjusting mechanism includes an impeller, two tension springs, and a snap ring. Two sliding grooves are symmetrically formed on the front side of the main shaft. The impeller is slidably sleeved on the main shaft and is located in the sliding grooves. The upper and lower sides of the back surface of the snap ring are respectively fixedly connected to the front ends of two connecting rods. The front end of the snap ring is rotatably sleeved on the rear end of the impeller. Both of the two tension springs are horizontally arranged and symmetrically arranged up and down. The two ends of each tension spring are fixedly connected to the mutually approaching surfaces of the snap ring and the housing respectively.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. With the cooperation of the pushing mechanism, the rotor rotates, enabling the card slot to complete liquid suction, and then the glue can be released in advance through the overflow groove without waiting until it moves to the area of the liquid outlet cavity, shortening the transfer stroke of the glue and improving the efficiency.

[0017] 2. When the glue is discharged, the spring releases elastic force, which has a pressurizing and pushing effect on the glue, further improving the conveying speed of the glue and thus improving the efficiency.

[0018] 3. With the cooperation of the adjusting mechanism, the size of the effective cavity formed by the card slot can be adjusted. At high rotational speeds, a large cavity is formed, with a short conveying time and a large carrying capacity. At low rotational speeds, a small cavity is formed, with a long conveying time and a small carrying capacity, thereby achieving efficient adjustment of the size of the glue conveying volume. Description of the Drawings

[0019] Figure 1 The front three-dimensional structure schematic diagram of an efficient glue injection pump proposed by the present invention;

[0020] Figure 2 The rear three-dimensional structure schematic diagram of an efficient glue injection pump proposed by the present invention;

[0021] Figure 3 The front partial cross-sectional structure schematic diagram of an efficient glue injection pump proposed by the present invention;

[0022] Figure 4 is Figure 2 The enlarged view of the structure at position A in

[0023] Figure 5 is Figure 3 The enlarged view of the structure at position B in

[0024] In the figure: 1. Motor; 2. Coupling; 3. Housing; 4. Rotor; 5. Liquid inlet chamber; 6. Liquid outlet chamber; 7. Card slot; 8. Piston; 9. Spring; 10. Ring groove; 11. Ring body; 12. Convex block; 13. Connecting rod; 14. Overflow groove; 15. Main shaft; 16. Connecting frame; 17. Diversion pipe; 18. Drain pipe; 19. Support plate; 20. Gear; 21. Pin rod; 22. First rack; 23. Push rod; 24. Second rack; 25. Ball; 26. Impeller; 27. Tension spring; 28. Snap ring; 29. Slide groove. Specific embodiments

[0025] Next, in combination with the accompanying drawings, the technical solutions of the present invention will be clearly and completely described. Obviously, the described ones are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] Refer to Figures 1-5 , an efficient glue injection pump, including: a pump body and a motor 1. The pump body includes a housing 3, a rotor 4 and a linkage component. The linkage component is used for torque transmission between the output end of the motor 1 and the rotor 4;

[0027] The rotor 4 is rotatably sleeved in the housing 3 and is in sealed sliding contact with the inner wall of the housing 3. Liquid inlet chambers 5 and liquid outlet chambers 6 are respectively opened on both sides of the housing 3. A plurality of card slots 7 are opened on the outer side of the rotor 4, and a pushing mechanism is installed in each of the plurality of card slots 7;

[0028] The pushing mechanism includes a piston 8, multiple springs 9 and transmission components. The piston 8 is hermetically and slidably sleeved in the clamping groove 7. The multiple springs 9 are all arranged in the clamping groove 7, and the two ends are respectively fixedly connected to the inner end of the piston 8 and the inner wall of the clamping groove 7. An annular groove 10 is formed inside the rotor 4. A ring body 11 is rotatably sleeved in the middle of the rotor 4. A convex block 12 is fixedly installed on one side of the ring body 11 close to the liquid inlet cavity 5. Multiple groups of transmission components alternately contact the convex block 12. The piston 8 reciprocates under the drive of the transmission components and the springs 9;

[0029] Two connecting rods 13 are symmetrically and slidably installed radially on the front side of the housing 3. The inner ends of the two connecting rods 13 are both fixedly connected to the front side of the ring body 11. The outer ends of the two connecting rods 13 are connected with an adjusting mechanism;

[0030] An overflow groove 14 is formed on the inner wall of the upper end of the housing 3. The overflow groove 14 communicates with the liquid outlet cavity 6.

[0031] The linkage components include a main shaft 15, a coupling 2 and two connecting frames 16. The two connecting frames 16 are horizontally and radially arranged and symmetrically placed. The two ends of the connecting frame 16 are respectively fixedly connected to the back of the housing 3 and the front end face of the motor 1. A guide pipe 17 is horizontally and fixedly installed at the port of the liquid inlet cavity 5. The guide pipe 17 is connected to the glue storage device for supplying glue. A drain pipe 18 is horizontally and fixedly installed at the port of the liquid outlet cavity 6. The drain pipe 18 is used to connect to the glue-using end to output the glue. The main shaft 15 is horizontally and radially rotatably sleeved in the housing 3 and penetrates through the front and back sides of the housing 3. The rotor 4 is fixedly sleeved with the main shaft 15. The output end of the motor 1 is fixedly connected to the tail end of the main shaft 15 through the coupling 2.

[0032] The transmission components include a support plate 19, a gear 20, a pin rod 21, a first rack 22, a push rod 23, a second rack 24 and a ball 25. The two ends of the support plate 19 are respectively fixedly connected to the inner walls on both sides of the clamping groove 7. The pin rod 21 is fixedly installed on the support plate 19. The gear 20 is rotatably sleeved on the pin rod 21. The end of the first rack 22 is fixedly installed at the inner end of the piston 8. The push rod 23 is slidably sleeved in the rotor 4, and the two ends are respectively located in the clamping groove 7 and the annular groove 10. The second rack 24 is fixedly installed at the end of the push rod 23 located in the clamping groove 7. The first rack 22 and the second rack 24 are both meshed with the gear 20 and are located on both sides. The ball 25 is rotatably embedded at the end of the push rod 23 located in the annular groove 10.

[0033] The convex block 12 is stepped, and the adjacent steps are smoothly connected. Multiple balls 25 alternately roll and contact the convex block 12.

[0034] The lift of the steps on the convex block 12 is different. Close to the center of the rotor 4, the lift is smaller, and far from the center of the rotor 4, the lift is larger, so as to realize the adjustment of the moving distance of the push rod 23. The drop between adjacent steps is less than the radius of the ball 25.

[0035] When using this device to transport the glue liquid, start the motor 1. The motor 1 drives the main shaft 15 to rotate through the coupling 2. The main shaft 15 drives the rotor 4 to rotate counterclockwise to push the glue liquid.

[0036] As the rotor 4 rotates, the pushing mechanism rotates to the area of the liquid inlet cavity 5. At this time, the ball 25 rolls into contact with the convex block 12 and enters the lift, causing the push rod 23 to be pushed. The push rod 23 drives the second rack 24, and the second rack 24 drives the gear 20 to rotate. The gear 20 causes the first rack 22 to drive the piston 8 to retract into the clamping groove 7, forming a cavity, and at the same time compressing the spring 9. The glue liquid enters the cavity formed at the outer end of the clamping groove 7 as the rotor 4 rotates.

[0037] When the clamping groove 7 with the glue liquid disengages from the area of the liquid inlet cavity 5 and rotates to the upper side area of the housing 3, the outer end of the clamping groove 7 is communicated with the overflow groove 14. At the same time, the push rod 23 disengages from the convex block 12, the thrust is released, the spring 9 returns to its original length, releases the elastic force, and pushes the piston 8 out to reset. The piston 8 pushes out the glue liquid, and the glue liquid enters the liquid outlet cavity 6 through the overflow groove 14 and is finally exported through the drain pipe 18 to realize the transportation of the glue liquid.

[0038] With the cooperation of the pushing mechanism, the rotor 4 rotates, enabling the clamping groove 7 to complete liquid suction, and then the glue liquid can be released in advance through the overflow groove 14 without waiting until it moves to the area of the liquid outlet cavity 6, shortening the travel of the glue liquid transfer and improving the efficiency.

[0039] When discharging the glue liquid, the spring 9 releases the elastic force, which has a pressurizing and pushing effect on the glue liquid, further improving the transportation speed of the glue liquid and thus improving the efficiency.

[0040] The adjusting mechanism includes an impeller 26, two tension springs 27 and a snap ring 28. Two sliding grooves 29 are symmetrically arranged on the front side of the main shaft 15. The impeller 26 is slidably sleeved on the main shaft 15 and is located in the sliding grooves 29. The upper and lower sides of the back of the snap ring 28 are respectively fixedly connected to the front ends of the two connecting rods 13. The front end of the snap ring 28 is rotatably sleeved on the rear end of the impeller 26. The two tension springs 27 are both horizontally arranged and are symmetrically arranged up and down. The two ends of the tension springs 27 are respectively fixedly connected to the mutually approaching surfaces of the snap ring 28 and the housing 3.

[0041] During the rotation of the main shaft 15, it drives the rotor 4 to rotate. By adjusting the speed of the motor 1, the speed of the rotor 4 can be realized, and then the output speed of the glue liquid can be adjusted to adjust the output volume.

[0042] The main shaft 15 rotates, driving the impeller 26 to rotate simultaneously, generating an air flow. When the rotational speed of the main shaft 15 is relatively fast, the impeller 26 rotates at a high speed, generating a large aerodynamic force, stretching the tension spring 27, and the impeller 26 moves towards the front end of the main shaft 15, driving the snap ring 28 to move. The snap ring 28 drives the ring body 11 to move through two connecting rods 13, and the ring body 11 drives the convex block 12 to move, so that the area of the convex block 12 with a large upward stroke is opposite to the ball 25, thereby enabling the push rod 23 to obtain a larger stroke, and further enabling the piston 8 to have a longer displacement. Thus, when the card slot 7 is in the liquid inlet cavity 5, the formed effective cavity is larger, and more glue can be transported.

[0043] When the rotational speed of the main shaft 15 is relatively slow, the impeller 26 rotates at a low speed, and the aerodynamic force is small. Under the action of the tension of the tension spring 27, the impeller 26 moves towards the rear end of the main shaft 15, so that the area of the convex block 12 with a small upward stroke is opposite to the ball 25, thereby enabling the push rod 23 to obtain a smaller stroke, and further enabling the piston 8 to have a shorter displacement. The effective cavity formed by the card slot 7 is smaller, and less glue can be transported.

[0044] With the cooperation of the adjusting mechanism, the size of the effective cavity formed by the card slot 7 can be adjusted. At high rotational speeds, a large cavity is formed, the conveying time is short, and the carrying capacity is large. At low rotational speeds, a small cavity is formed, the conveying time is long, and the carrying capacity is small, thereby realizing the efficient adjustment of the size of the glue conveying amount.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency glue injection pump, comprising: A pump body and an electric motor (1), the pump body comprising a housing (3), a rotor (4) and a linkage component, the linkage component being used for transmitting torque between an output end of the electric motor (1) and the rotor (4); The invention is characterized in that: the rotor (4) is rotatably sleeved in the housing (3) and is in sealing sliding contact with the inner wall of the housing (3); a liquid inlet cavity (5) and a liquid outlet cavity (6) are respectively provided on two sides of the housing (3); a plurality of slots (7) are provided on the outer side of the rotor (4); and a pushing mechanism is installed in each of the plurality of slots (7); The pushing mechanism comprises a piston (8), a plurality of springs (9) and a transmission component. The piston (8) is sealingly and slidingly sleeved in the slot (7). The plurality of springs (9) are all arranged in the slot (7) and have two ends fixedly connected to the inner end of the piston (8) and the inner wall of the slot (7) respectively. An annular groove (10) is provided inside the rotor (4). A ring body (11) is rotatably sleeved in the middle of the rotor (4). A protrusion (12) is fixedly mounted on one side of the ring body (11) close to the liquid inlet chamber (5). The plurality of transmission components are alternately in contact with the protrusion (12). The piston (8) moves back and forth under the drive of the transmission component and the spring (9). Two connecting rods (13) are symmetrically and radially mounted on the front side of the shell (3), the inner ends of the two connecting rods (13) are fixedly connected to the front side of the ring body (11), and the outer ends of the two connecting rods (13) are connected to an adjustment mechanism; An overflow groove (14) is provided on the inner wall of the upper end of the shell (3), and the overflow groove (14) is in communication with the liquid outlet cavity (6); The linkage component comprises a main shaft (15), a coupling (2) and two connecting frames (16), the two connecting frames (16) are arranged horizontally and radially and are symmetrically disposed, the two ends of the connecting frames (16) are respectively fixedly connected to the back surface of the housing (3) and the front surface of the motor (1), the port of the liquid inlet chamber (5) is horizontally fixedly mounted with a guide pipe (17), the port of the liquid outlet chamber (6) is horizontally fixedly mounted with a discharge pipe (18), the main shaft (15) is horizontally and radially rotatably sleeved in the housing (3) and penetrates the front and rear sides of the housing (3), the rotor (4) is fixedly sleeved with the main shaft (15), and the output end of the motor (1) is fixedly connected to the tail end of the main shaft (15) via the coupling (2); The transmission component comprises a support plate (19), a gear (20), a pin rod (21), a first rack (22), a push rod (23), a second rack (24) and a ball (25); the two ends of the support plate (19) are respectively fixedly connected to the inner walls of the slot (7) at both sides; the pin rod (21) is fixedly mounted on the support plate (19); the gear (20) is rotatably sleeved on the pin rod (21); the end of the first rack (22) is fixedly mounted on the inner end of the piston (8); the push rod (23) is slidably sleeved in the rotor (4) and the two ends are respectively located in the slot (7) and the annular groove (10); the second rack (24) is fixedly mounted on the end of the push rod (23) located in the slot (7); the first rack (22) and the second rack (24) are both meshedly connected to the gear (20) and are located on both sides; the ball (25) is rollingly embedded in the end of the push rod (23) located in the annular groove (10); The regulating mechanism comprises an impeller (26), two tension springs (27) and a retaining ring (28). Two slide grooves (29) are symmetrically provided on the front side of the main shaft (15). The impeller (26) is slidably sleeved on the main shaft (15) and is located in the slide groove (29). The upper and lower sides of the back side of the retaining ring (28) are respectively fixedly connected to the front ends of the two connecting rods (13). The front end of the retaining ring (28) is rotatably sleeved with the rear end of the impeller (26). The two tension springs (27) are both horizontally arranged and symmetrically arranged in the upper and lower directions. The two ends of the tension spring (27) are respectively fixedly connected to the side of the retaining ring (28) and the housing (3) that are close to each other.

2. A high-efficiency glue injection pump according to claim 1, characterized in that: The protrusion (12) is in a stepped shape, and adjacent steps are smoothly connected, and a plurality of balls (25) are in rolling contact with the protrusion (12) alternately.

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