Material injection device capable of ascending and descending through crank

The crank lifting system driven by a servo motor solves the problem of low efficiency of existing oil injection devices when dealing with workpieces or containers of different specifications, and realizes convenient adjustment of the injection device and improved production efficiency.

CN223457215UActive Publication Date: 2025-10-21ONLY YIHUI (SHANGHAI) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202423135519.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-10-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing oil injection devices require adjusting the height of the lifting cylinder when dealing with workpieces or containers of different sizes, resulting in low production efficiency.

Method used

The crank lifting system driven by a servo motor controls the movement of the swing arm, connecting rod, and lifting rod through program control, thereby achieving vertical adjustment of the filling device to adapt to different container heights.

Benefits of technology

It enables convenient adjustment of the injection device, improves production efficiency, and avoids production delays caused by differences in container height.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a material injection device capable of ascending and descending through a crank, which comprises a servo motor, a crank lifting mechanism and a crank lifting mechanism, the swing arm is connected with the servo motor; the connecting rod is movably connected to the tail end of the swing arm; the lifting rod is movably connected to the tail end of the connecting rod, the lifting rod is sleeved with a guide sleeve, the guide sleeve is in a fixed state, and the part, penetrating through the guide sleeve, of the lifting rod is fixedly connected with a material injection assembly; the servo motor is set to rotate according to a program, the swing arm is driven to drive the connecting rod and the lifting rod to move up and down, and finally the material injection assembly is driven to move vertically, so that when containers with different heights are met, the containers with different heights are adapted by changing the program, and the situation that the whole production process is delayed is avoided.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of automatic manufacturing of cosmetic products, and in particular to a material injection device lifted by a crank. BACKGROUND

[0002] Cosmetic products are indispensable in daily life, which are used to modify skin defects and improve people's appearance. In the production process, automatic manufacturing technology is basically adopted to meet the huge demand for sales, especially for filling products, which need to be filled into containers by filling equipment.

[0003] According to the automatic oil injection device disclosed in Chinese patent CN215764519U, the oil injection gun is fixed on the lifting cylinder, and the oil injection end of the oil injection gun is lifted in the oil injection port under the driving of the lifting cylinder, so that the workpiece can be automatically injected. However, in actual production, different specifications of workpieces, containers and the like are often encountered. When the device faces workpieces and containers of different heights, the lifting height of the lifting cylinder needs to be adjusted, thereby delaying the overall production process and resulting in low efficiency.

[0004] Therefore, it is necessary to develop a material injection device lifted by a crank to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a material injection device lifted by a crank which is convenient to adjust.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a material injection device lifted by a crank, comprising:

[0007] A servo motor is controlled by program programming.

[0008] An oscillating arm is connected to the servo motor.

[0009] A connecting rod is movably connected to the end of the oscillating arm.

[0010] A lifting rod is movably connected to the end of the connecting rod, a guide sleeve is sleeved on the lifting rod, the guide sleeve is in a fixed state, and the lifting rod penetrating through the guide sleeve is fixedly connected with a material injection assembly.

[0011] Further, the connecting rod is provided with a connecting hole penetrating through both sides of the connecting rod, a connecting bearing is installed in the connecting hole, the connecting rod comprises a connecting bolt, and the connecting bolt penetrates through the connecting hole and the end of the oscillating arm.

[0012] Further, the connecting bolt penetrates through the other end of the connecting rod and the lifting rod, so as to movably connect the connecting rod and the lifting rod.

[0013] Further, one end of the swing arm has a larger diameter than the other end, the larger-diameter end is connected with the servo motor, and the smaller-diameter end is connected with the connecting rod, and the swing arm rotates around the larger-diameter end.

[0014] Further, the connecting rod is also provided with an adjusting screw, and two ends of the adjusting screw are screwed with the connecting rod.

[0015] Further, the bottom of the lifting rod is provided with a base, the base is used for bearing the lifting rod and is connected with the connecting rod, and the top of the lifting rod extends vertically upward.

[0016] Further, the upper side of the swing arm is provided with a limiting block, the limiting block is located on the moving track of the swing arm, and is used for limiting the swing amplitude of the swing arm.

[0017] Further, the lower side of the swing arm is provided with a reference block, the reference block is located on the moving track of the swing arm, and is used as a starting point for the swing of the swing arm.

[0018] Compared with the prior art, the beneficial effects of the present application are that the injection device is lifted by a crank, has the characteristics of being convenient to adjust, and through the program setting rotation of the servo motor, the connecting rod and the lifting rod are driven to move up and down, finally drive the vertical movement of the moving platform and the injection assembly, when different height containers are encountered, the program is changed to adapt to different height containers, and the overall production process is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor, and the drawings are as follows:

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the injection device lifted by a crank;

[0021] Figure 2 It is Figure 1 It is a partial structure schematic diagram of the injection device lifted by a crank;

[0022] Figure 3 It is Figure 1 It is a structure schematic diagram of the injection assembly of the injection device lifted by a crank;

[0023] Figure 4 It is Figure 1The injection assembly of the injection device shown by the crank lifting is exploded and structured schematically.

[0024] Figure 5 For Figure 1 The injection assembly of the injection device shown by the crank lifting is partially structured schematically.

[0025] Figure 6 For Figure 1 The fixed bolt structure of the injection device with the quick-release injection nozzle is schematically shown.

[0026] In the figure: 1, driving member; 2, transmission assembly; 3, moving platform; 4, injection assembly; 21, swing arm; 22, connecting rod; 23, lifting rod; 221, connecting hole; 222, connecting bearing; 223, connecting bolt; 224, adjusting screw; 231, base; 24, limiting block; 25, reference block; 26, guide sleeve; 41, filling head; 42, material conveying pipe; 43, blocking rod; 44, lifting driving member; 45, material conveying pipeline; 46, connecting block; 411, cavity; 441, driving rod; 461, through hole; 462, butt joint hole; 47, fixed bolt; 471, bolt head; 472, bolt rod; 473, first through hole; 474, second through hole; 475, step; 48, spring; 431, blocking part; 432, annular groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1 to 6 The present application is an injection device lifted by a crank, which comprises a servo motor 1, a transmission assembly 2 connected to the servo motor 1, a moving platform 3 connected to the transmission assembly 2, and an injection assembly 4 arranged on the moving platform 3.

[0029] Please refer to Figure 1 The servo motor 1 is provided with a fixed bearing at the end, and the servo motor 1 can work and rotate according to the program, and the rotation amplitude and distance are determined by the program (the servo motor 1 rotates by program programming, which is prior art, so it is not explained in detail).

[0030] Please refer to Figures 1 to 2The transmission assembly 2 comprises a swing arm 21 connected to the servo motor 1, a connecting rod 22 and a lifting rod 23 installed at the end of the swing arm 21. The swing arm 21 has one end with a larger diameter than the other end. The end with the larger diameter is connected to the servo motor 1, and the end with the smaller diameter is connected to the connecting rod 22. The swing arm 21 rotates around the end with the larger diameter as the center.

[0031] Both ends of the connecting rod 22 are provided with connecting holes 221 penetrating through the two sides of the connecting rod 22, and connecting bearings 222 installed in the connecting holes 221. The transmission assembly 2 further comprises connecting bolts 223. One end of the connecting rod 22 penetrates through the connecting hole 221 and the end of the swing arm 21 through the connecting bolt 223, thereby achieving the movable connection between the connecting rod 22 and the swing arm 21. The other end of the connecting rod 22 penetrates through the connecting hole 221 and the lifting rod 23 through the connecting bolt 223, thereby achieving the movable connection between the connecting rod 22 and the lifting rod 23. Both ends of the connecting rod 22 can rotate around the connecting bearings 222 as the center.

[0032] Preferably, the connecting rod 22 is further provided with an adjusting screw 224, and both ends of the adjusting screw 224 are screwed with the connecting rod 22, thereby changing the length of the connecting rod 22.

[0033] The bottom of the lifting rod 23 is provided with a base 231 for bearing the lifting rod 23 and connecting with the connecting rod 22. The top of the lifting rod 23 extends vertically upward and is fixedly connected with the moving platform 3. The lifting rod 23 is sleeved with a guide sleeve 26, which is in a fixed state and fixed on other fixed platforms.

[0034] The number of the lifting rod 23 can be changed according to the requirements. In this embodiment, the number of the lifting rod 23 is one pair. Preferably, the lifting rod 23 can be a telescopic rod according to the requirements.

[0035] In another embodiment, the upper side of the swing arm 21 is provided with a limiting block 24 located on the moving track of the swing arm 21, for limiting the swing amplitude of the swing arm 21. The lower side of the swing arm 21 is provided with a reference block 25 located on the moving track of the swing arm 21, for serving as the starting point of the swing of the swing arm 21.

[0036] The moving platform 3 is in a horizontal state.

[0037] Please refer to Figures 3 to 6The injection assembly 4 comprises a filling head 41, a feeding pipe 42 installed in the filling head 41, a stopper rod 43 extended into the feeding pipe 42, and a lifting servo motor 44 driving the stopper rod 43 to move. The filling head 41 has a cavity 411 formed inside for accommodating the material. The injection assembly 4 further has a feeding pipeline 45 which is extended from outside of the filling head 41 and communicates with the cavity 411. The top of the feeding pipe 42 is extended through the bottom of the filling head 41 and into the cavity 411, and the bottom thereof extends vertically downward. When the material needs to be injected, the material is injected from the feeding pipe 42 into the cavity 411 and then into other containers through the feeding pipe 42.

[0038] The lifting servo motor 44 is installed on the top of the filling head 41 and is a kind of air cylinder having a driving rod 441 fixedly connected with the lifting servo motor 44 at one end and having a connecting block 46 fixedly connected with the other end and extending vertically downward. The connecting block 46 has a through hole 461 extending through opposite sides thereof and a butt joint hole 462 recessed inward from the lower surface and communicating with the through hole 461.

[0039] The injection assembly 4 further comprises a fixing bolt 47 having a bolt head 471, a bolt rod 472 and a through hole 473 extending through the bolt rod 472. The bolt rod 472 can be extended into the through hole 461 so that the through hole 473 and the butt joint hole 462 are vertically overlapped. The bolt rod 472 is sleeved with a spring 48 which is abutted with the connecting block 46 at one end and abutted with the bolt head 471 at the other end.

[0040] The fixing bolt 47 further comprises a second through hole 474 adjacent to the first through hole 473 and a step 475 arranged outside the second through hole 474. The diameter of the first through hole 473 is larger than that of the second through hole 474 and corresponds to the butt joint hole 462.

[0041] The top of the stopper rod 43 has an annular groove 432 recessed inward from the surface and extended into the through hole 473 and the butt joint hole 462. The spring 48 pushes the fixing bolt 47 to move radially by its elastic force, the fixing bolt 47 enters the second through hole 474, and the annular groove 432 is vertically clamped with the step 475 to fix the top of the stopper rod 43 in the connecting block 46. The bottom of the stopper rod 43 extends vertically downward through the filling head 41 and into the feeding pipe 42.

[0042] Preferably, the length of the plugging rod 43 is greater than the feeding pipe 42 and the diameter is less than the feeding pipe 42, the end of the plugging rod 43 passes through the end of the feeding pipe 42, and then the plugging rod 43 extends radially outward at the end to form a plugging part 431, the diameter of the plugging part 431 is greater than the diameter of the feeding pipe 42, when the plugging rod 43 drives the plugging part 431 to move vertically upward, the plugging part 431 seals the feeding pipe 42, and the material stops injection, when the plugging rod 43 drives the plugging part 431 to move vertically downward, the plugging part 431 is away from the feeding pipe 42, and the material continues to inject.

[0043] The injection device which is lifted by the crank is used, the servo motor 1 is set by program, rotates according to demand, drives the swing arm 21 to rotate with one end as the center, the other end of the swing arm 21 moves, drives the connecting rod 22 and the lifting rod 23 to move up and down, the two ends of the connecting rod 22 are movably connected, other direction activities except vertical movement caused by the swing arm 21 are eliminated, and finally the vertical movement of the moving platform 3 and the injection assembly 4 is driven.

[0044] The injection device which is lifted by the crank has the characteristics that adjustment is facilitated, the servo motor is set by program to rotate, drives the swing arm to drive the connecting rod and the lifting rod to move up and down, finally drives the vertical movement of the moving platform and the injection assembly, when different height containers are encountered, different height containers are adapted by changing the program, and the overall production process is avoided.

[0045] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.

Claims

1. A material feeding device by crank lifting, characterized by, It includes: Servo motor (1) is controlled by program programming; Swing arm (21) is connected with the servo motor (1); Connecting rod (22) is movably connected to the end of the swing arm (21); Lifting rod (23) is movably connected to the end of the connecting rod (22), the lifting rod (23) is sleeved with guide sleeve (26), the guide sleeve (26) is in a fixed state, the lifting rod (23) penetrating through the guide sleeve (26) is fixedly connected with injection assembly (4).

2. The material feeding device by cranked lifting according to claim 1, characterized in that, The connecting rod (22) is provided with connecting hole (221) penetrating through both sides of the connecting rod (22), connecting bearing (222) is installed in the connecting hole (221), the connecting rod (22) comprises connecting bolt (223), the connecting bolt (223) penetrates through the connecting hole (221) and the end of the swing arm (21).

3. The material lifting device by means of a crank according to claim 2, characterized in that, The connecting bolt (223) penetrates through the other end of the connecting rod (22) and the lifting rod (23), so that the connecting rod (22) and the lifting rod (23) are movably connected.

4. The material lifting device by cranks according to claim 1, characterized in that, One end of the swing arm (21) is larger in diameter than the other end, the larger end is connected with the servo motor (1), and the smaller end is connected with the connecting rod (22).

5. The material lifting device by means of a crank according to claim 1, characterized in that, The connecting rod (22) is further provided with adjusting screw (224), and the two ends of the adjusting screw (224) are respectively screwed with the connecting rod (22).

6. The material lifting device by means of a crank according to claim 1, characterized in that, The bottom of the lifting rod (23) is provided with base (231), the base (231) bears the lifting rod (23) and is connected with the connecting rod (22), and the top of the lifting rod (23) extends vertically upward.

7. The material lifting device by means of a crank according to claim 1, characterized in that, The upper side of the swing arm (21) is provided with limit block (24), the limit block (24) is located on the moving track of the swing arm (21), and is used for limiting the swing amplitude of the swing arm (21).

8. The material lifting device by means of a crank according to claim 1, characterized in that, The lower side of the swing arm (21) is provided with reference block (25), the reference block (25) is located on the moving track of the swing arm (21), and is used as the starting point of the swing of the swing arm (21).

Citation Information

Patent Citations

  • Automatic oiling device

    CN215764519U