Automatic pushing and injecting device for defoaming agent production
By introducing a locking mechanism into the defoamer production unit, the problem of unstable injection head connection was solved, enabling convenient installation and stable connection of the injection head, reducing the risk of production interruption and material leakage, and improving production efficiency.
Patent Information
- Application Number
- CN202520406199.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-08
AI Technical Summary
Existing automatic injection devices for defoamer production are inadequate in terms of the stability of the injection head connection. They are prone to loosening due to equipment vibration, leading to inaccurate injection and material leakage, which increases production costs.
An automatic injection device comprising a cylinder, a piston head, and a locking mechanism was designed. Through the cooperation of the locking pin and the locking groove, the injection head can be conveniently installed and securely connected, preventing it from loosening and falling off.
Ensure a stable connection between the injection head and the cylinder to reduce the risk of production interruption and material leakage, and improve production efficiency and equipment reliability.
Smart Images

Figure CN223919995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to defoaming agent production technical field, specifically to a kind of automatic injection device for defoaming agent production. BACKGROUND
[0002] In chemical production field, defoaming agent is widely used in food, pharmaceutical, papermaking, printing and dyeing and many other industries as an important auxiliary agent. With the acceleration of industrial automation process, the requirements for defoaming agent production efficiency and quality are increasingly improved, and efficient and accurate production equipment becomes the key demand for industry development.
[0003] At present, automatic injection device for defoaming agent production, but there are obvious deficiencies in the stability of push-in head connection, and threaded, clamp or plug-in connection push-in head is mostly used. Threaded connection is easy to loosen due to production vibration, and the connection reliability decreases after long-term use of threaded wear; The clamp of clamp connection will fatigue deformation, and the holding force will decrease to cause the displacement of push-in head; Plug-in connection has the worst stability, and slight external force can cause it to fall off. In the production process, due to the vibration and movement of equipment and frequent use, the connection part of push-in head and device main body is prone to looseness, which not only affects the accuracy of injection, but also may cause material leakage, resulting in waste of raw materials and pollution of production environment, thereby limiting the improvement of defoaming agent production efficiency and increasing production cost. Therefore, we propose an automatic injection device for defoaming agent production. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problems of overcoming the defects of the prior art, providing an automatic injection device for defoaming agent production, which is convenient to install, stable in connection, can prevent loosening and falling off, reduce the risk of production interruption and material leakage, and effectively solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic injection device for defoaming agent production, comprising a cylinder, an adjustable piston head inside the cylinder, a push-in head cooperatively installed at the front end of the cylinder, and a locking mechanism.
[0006] The locking mechanism comprises a connecting frame, a sliding hole, a locking column and a locking groove. The connecting frame is arranged at the front end of the outer arc surface of the cylinder. The front end of the outer arc surface of the connecting frame is provided with uniformly distributed sliding holes. The inside of the sliding hole is slidably connected with a locking column. The push-in head is inserted into the front end of the cylinder. The rear end of the outer arc surface of the push-in head is provided with a locking groove. The end of the locking column close to the locking groove is cooperatively installed with the locking groove. The push-in head is convenient to install, stable in connection, can prevent loosening and falling off, and reduce the risk of production interruption and material leakage.
[0007] Further, the outer arc surface lower end of the barrel is provided with a handle, the front side of the handle is provided with a control switch, the input end of the control switch is electrically connected with an external power supply, and the control is stable.
[0008] Further, the locking mechanism further comprises a mounting sheet and a spring, the outer arc surface middle part of the locking column is provided with the mounting sheet, the side of the mounting sheet away from the locking groove is provided with the spring between the barrel, the spring is sleeved on the outer arc surface of the adjacent locking column, and the locking column is reset.
[0009] Further, the locking mechanism further comprises a locking frame and a locking nut, the locking frame is arranged at the outer arc surface middle part of the push head, the rear end of the locking frame is threadedly connected with the locking nut, the rear end of the locking nut is threadedly connected with the front end of the connecting frame, and the locking is further locked.
[0010] Further, the inner arc surface of the barrel is provided with a bearing between the upper end and the lower end of the rear end through the mounting frame, the inner circle of the bearing inner ring is fixedly connected with a rotating barrel, the rear end of the rotating barrel is provided with a nut, the inner thread of the nut is threadedly connected with a stud, the front end of the stud is located in the inner part of the rotating barrel, the front end of the stud is rotatably connected with a piston head, the piston head is arranged in cooperation with the inner part of the barrel, the rear side wall middle part of the barrel is provided with a avoiding hole corresponding to the stud, and the piston head is driven to move.
[0011] Further, the outer arc surface middle part of the rotating barrel is fixedly sleeved with a driven gear, the rear end bottom wall of the barrel is provided with a motor, the output shaft end of the motor is provided with a gear, the gear is meshingly connected with the driven gear, the input end of the motor is electrically connected with the output end of the control switch, and the driving is stable.
[0012] Further, the upper end of the barrel is provided with an adding barrel, the adding barrel is communicated with the barrel, and the lower end of the adding barrel is connected with a valve in series, and the adding barrel is used for adding.
[0013] Compared with the prior art, the automatic push injection device for the defoamer production has the following advantages:
[0014] When the push head is connected to the barrel, the worker only needs to insert the push head into the front end of the barrel, rotate the locking nut, and the locking column can be quickly clamped into the locking groove, the whole operation is simple and fast, without complex steps and additional tools, at the same time, the double locking design of the locking frame and the locking nut, and the spring auxiliary locking column to keep the position, make the connection of the push head and the barrel more stable, in the vibration, movement and other operation process of the defoamer production, the push head can be effectively prevented from loosening or falling off, the stable operation of the device is ensured, and the production interruption and material leakage risk caused by the connection problem of the parts are reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the front end of the utility model;
[0016] Figure 2 is a structure schematic view of the partial explosion of the barrel and the push head of the utility model;
[0017] Figure 3 is a structure schematic view of the enlarged A place of the utility model;
[0018] Figure 4 is a structure schematic view of the enlarged B place of the utility model;
[0019] Figure 5 is a structure schematic view of the rear end of the utility model;
[0020] Figure 6 is a structure schematic view of the rear view of the left side section of the utility model.
[0021] In the figure: 1 barrel, 2 locking mechanism, 21 connecting frame, 22 sliding hole, 23 locking column, 24 mounting piece, 25 spring, 26 locking frame, 27 locking groove, 28 locking nut, 3 push head, 4 adding barrel, 5 valve, 6 mounting frame, 7 bearing, 8 rotating barrel, 9 nut, 10 stud, 11 piston head, 12 avoiding hole, 13 driven gear, 14 gear, 15 motor, 16 handle, 17 control switch. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-6The embodiment provides a technical scheme: an automatic injection device for defoaming agent production, which comprises a cylinder 1, the outer arc surface lower end of the cylinder 1 is provided with a handle 16, the front side of the handle 16 is provided with a control switch 17, the input end of the control switch 17 is electrically connected with an external power supply, the inside of the cylinder 1 is provided with an adjustable piston head 11, the rear end between the upper and lower inner arc surfaces of the cylinder 1 is provided with a bearing 7 through a mounting frame 6, the inside of the inner ring of the bearing 7 is fixedly connected with a rotating barrel 8, the rear end of the rotating barrel 8 is provided with a nut 9, the inside of the nut 9 is threadedly connected with a stud 10, the front end of the stud 10 is located in the inside of the rotating barrel 8, the front end of the stud 10 is rotatably connected with the piston head 11, the piston head 11 is arranged in cooperation with the inside of the cylinder 1 (the outer arc surface of the piston head 11 is slidably connected with the inner wall of the cylinder 1, the bottom of the inner arc surface of the cylinder 1 is provided with a rib, the lower end of the outer arc surface of the piston head 11 is provided with a rib groove, and the rib groove is slidably connected with the rib), the rear side wall of the cylinder 1 is provided with an avoiding hole 12 corresponding to the stud 10 (a sealing ring can be inlaid or adhered on the inner arc surface of the avoiding hole 12), the middle of the outer arc surface of the rotating barrel 8 is fixedly sleeved with a driven gear 13, the rear end bottom wall of the cylinder 1 is provided with a motor 15, the output shaft end of the motor 15 is provided with a gear 14, the gear 14 is meshingly connected with the driven gear 13, the input end of the motor 15 is electrically connected with the output end of the control switch 17, the upper end of the cylinder 1 is provided with an adding barrel 4, the adding barrel 4 is connected with the cylinder 1 in communication, the lower end of the adding barrel 4 is connected with a valve 5 in series, the upper end of the adding barrel 4 is provided with a pipeline for pouring defoaming agent, the front end of the cylinder 1 is provided with an injection head 3 in cooperation, workers pour defoaming agent into the inside of the adding barrel 4 through the pipeline, then the defoaming agent enters the inside of the cylinder 1 through the adding barrel 4, then the workers close the valve 5 according to the situation, then hold the handle 16, control the control switch 17 to make the motor 15 run, the output shaft of the motor 15 drives the gear 14 to rotate, at this moment, the gear 14 drives the driven gear 13 to rotate synchronously under the meshing effect, at this moment, the rotating barrel 8 also rotates, thereby driving the nut 9 to rotate, under the rotating limiting cooperation of the threads of the nut 9 and the rib groove and the rib, the stud 10 drives the piston head 11 to move forward (the avoiding hole 12 can provide avoidance for the stud 10), the piston head 11 slowly pushes out the defoaming agent in the injection cylinder through the injection head 3, automatic injection is realized, and the device further comprises a locking mechanism 2.
[0024] The locking mechanism 2 comprises a connecting frame 21, a sliding hole 22, a locking column 23 and a locking groove 27. The connecting frame 21 is arranged at the front end of the outer arc surface of the barrel 1. The front end of the outer arc surface of the connecting frame 21 is provided with uniformly distributed sliding holes 22. The inner part of the sliding hole 22 is slidingly connected with the locking column 23 (the upper end of the locking column 23 is provided with a circular arc chamfer). The push head 3 is inserted into the front end of the barrel 1. The rear end of the outer arc surface of the push head 3 is provided with a locking groove 27. The end of the locking column 23 close to the locking groove 27 is matched and installed with the locking groove 27. The locking mechanism 2 further comprises an installation piece 24 and a spring 25. The middle part of the outer arc surface of the locking column 23 is provided with the installation piece 24. The side of the installation piece 24 away from the locking groove 27 is provided with the spring 25 between the barrel 1. The spring 25 is sleeved on the outer arc surface of the adjacent locking column 23. The locking mechanism 2 further comprises a locking frame 26 and a locking nut 28. The locking frame 26 is arranged at the middle part of the outer arc surface of the push head 3. The rear end of the locking frame 26 is threadedly connected with the locking nut 28. The rear end of the locking nut 28 is threadedly connected with the front end of the connecting frame 21. The worker inserts the push head 3 into the front end of the barrel 1. At this time, the locking groove 27 at the rear end of the push head 3 is adjacent to the locking column 23. At this time, the worker rotates the locking nut 28. The locking nut 28 is rotated backward under the thread cooperation. During the process of rotating the locking nut 28 backward, the rear end of the locking nut 28 is threadedly connected with the front end of the connecting frame 21 (at this time, the front end of the locking nut 28 is threadedly connected with the locking frame 26, and the rear end of the locking nut 28 is threadedly connected with the connecting frame 21). Gradually, the locking column 23 is gradually pressed. The locking column 23 moves in the inner part of the sliding hole 22 to the direction close to the locking groove 27 and enters the inner part of the locking groove 27. At this time, the spring 25 receives the pulling force (the main function of the spring 25 is to keep the position of the locking column 23 in cooperation with the installation piece 24 to prevent the locking column 23 from falling when the push head 3 is not connected with the barrel 1). At this time, the connection work of the push head 3 with the barrel 1 is completed, which is convenient for installing the push head 3 with the barrel 1.
[0025] The working principle of the automatic injection device for defoaming agent production is as follows: firstly, the worker inserts the injection head 3 into the front end of the cylinder 1, at this time, the locking groove 27 at the rear end of the injection head 3 is adjacent to the locking column 23, at this time, the worker rotates the locking nut 28, the locking nut 28 rotates backward under the cooperation of the threads, in the process of the backward rotation of the locking nut 28, the rear end of the locking nut 28 is threadedly connected with the front end of the connecting frame 21 (at this time, the front end of the locking nut 28 is connected with the locking frame 26 through threads, and the rear end of the locking nut 28 is connected with the connecting frame 21 through threads), gradually, the locking column 23 is gradually extruded, the locking column 23 moves in the sliding hole 22 to the direction close to the locking groove 27 and enters the inside of the locking groove 27, at this time, the spring 25 is subjected to a pulling force (the main function of the spring 25 is to keep the position of the locking column 23 in cooperation with the mounting piece 24, and prevent the locking column 23 from falling when the injection head 3 is not connected with the cylinder 1), at this time, the connection work of the injection head 3 and the cylinder 1 is completed, the worker pours the defoaming agent into the inside of the adding barrel 4 through the pipeline, then the defoaming agent enters the cylinder 1 through the adding barrel 4, then the worker closes the valve 5 according to the situation, then holds the handle 16, controls the control switch 17 to make the motor 15 rotate, the output shaft of the motor 15 drives the gear 14 to rotate, at this time, the gear 14 is meshed, and the driven gear 13 is synchronously rotated, at this time, the rotating barrel 8 is also rotated, and the nut 9 is rotated, under the rotation limiting cooperation of the threads of the nut 9 and the rib groove and the rib, the stud 10 drives the piston head 11 to move forward (the avoiding hole 12 can provide an avoiding space for the stud 10), the piston head 11 slowly pushes out the defoaming agent in the injection cylinder through the injection head 3, and automatic injection is realized.
[0026] It is worth noting that the motor 15 disclosed in the above embodiment can be a 47 series stepper motor, and the control switch 17 is provided with a control button corresponding to the motor 15 and used for controlling the switch of the motor 15.
[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. An automatic injection device for defoamer production, comprising a cylinder (1), wherein an adjustable piston head (11) is provided inside the cylinder (1), and an injection head (3) is fitted to the front end of the cylinder (1), characterized in that: It also includes a locking mechanism (2); Locking mechanism (2): It includes a connecting frame (21), a sliding hole (22), a locking pin (23) and a locking groove (27). The connecting frame (21) is located at the front end of the outer arc face of the cylinder (1). The front end of the outer arc face of the connecting frame (21) is provided with evenly distributed sliding holes (22). The locking pin (23) is slidably connected inside the sliding holes (22). The injection head (3) is inserted into the front end of the cylinder (1). The rear end of the outer arc face of the injection head (3) is provided with a locking groove (27). The end of the locking pin (23) near the locking groove (27) is installed in conjunction with the locking groove (27).
2. The automatic dispensing device for defoamer production according to claim 1, characterized in that: The lower end of the outer arc surface of the cylinder (1) is provided with a handle (16), and the front side of the handle (16) is provided with a control switch (17). The input end of the control switch (17) is electrically connected to an external power source.
3. The automatic dispensing device for defoamer production according to claim 1, characterized in that: The locking mechanism (2) also includes mounting plates (24) and springs (25). Mounting plates (24) are provided in the middle of the outer arc surface of the locking post (23). Springs (25) are provided between the side of the mounting plate (24) away from the locking groove (27) and the cylinder (1). The springs (25) are all sleeved on the outer arc surface of the adjacent locking post (23).
4. The automatic dispensing device for defoamer production according to claim 1, characterized in that: The locking mechanism (2) further includes a locking frame (26) and a locking nut (28). The locking frame (26) is located in the middle of the outer arc surface of the injection head (3). The rear end of the locking frame (26) is threadedly connected to the locking nut (28). The rear end of the locking nut (28) is threadedly connected to the front end of the connecting frame (21).
5. An automatic dispensing device for defoamer production according to claim 2, characterized in that: The inner arc surface of the cylinder (1) is connected to the rear end of the upper and lower ends by a mounting bracket (6) and a bearing (7) is provided. The inner ring of the bearing (7) is fixedly connected to a rotating barrel (8). The rear end of the rotating barrel (8) is provided with a nut (9). The nut (9) is threadedly connected to a stud (10). The front end of the stud (10) is located inside the rotating barrel (8). The front end of the stud (10) is rotatably connected to a piston head (11). The piston head (11) is fitted with the interior of the cylinder (1). The rear side wall of the cylinder (1) is provided with a clearance hole (12) corresponding to the stud (10).
6. An automatic dispensing device for defoamer production according to claim 5, characterized in that: A driven gear (13) is fixedly sleeved in the middle of the outer arc surface of the rotating drum (8). A motor (15) is installed on the bottom wall of the rear end of the cylinder (1). A gear (14) is provided at the end of the output shaft of the motor (15). The gear (14) meshes with the driven gear (13). The input end of the motor (15) is electrically connected to the output end of the control switch (17).
7. An automatic dispensing device for defoamer production according to claim 1, characterized in that: The upper end of the cylinder (1) is provided with an adding bucket (4), which is connected to the cylinder (1), and a valve (5) is connected in series at the lower end of the adding bucket (4).