Upward-screwing cap assembling mechanism and cap assembling machine

The modularly designed top-spinning cap assembly mechanism uses a servo motor to drive a splined shaft for cap assembly, solving the problems of complex structure and high cost of existing cap assembly mechanisms, and achieving efficient cap assembly and improved equipment stability.

CN223820019UActive Publication Date: 2026-01-23上海宇田机电设备有限公司
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Patent Information

Application Number
CN202520292176.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-23
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The existing assembly mechanism is complex, costly, and has poor long-term operational stability, making it difficult to improve production efficiency and reduce costs.

Method used

The modular upper rotating cap assembly mechanism includes a lower rotating disk, an upper rotating disk, and multiple cap assembly modules. It uses a servo motor to drive the spline shaft to perform gripping, rotating, and pressing actions, simplifying the structure, reducing the number of transmission stages, and realizing actions such as gripping, rotating, pressing, and releasing caps.

Benefits of technology

The simplified structure of the cover assembly mechanism facilitates disassembly and maintenance, reduces manufacturing costs, and improves equipment stability and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an upper screw cap assembling mechanism and a cap assembling machine, and the upper screw cap assembling mechanism comprises a lower rotating disc, an upper rotating disc and a plurality of cap assembling modules; the upper rotating disc is fixed at the top of the lower rotating disc; the multiple cover assembling modules are arranged between the lower rotating disc and the upper rotating disc in a circular array mode. One cover assembling module comprises two guide rods, a first transmission block, a second transmission block, a pressing rod, a spline shaft and a driving module. The modularized cover assembling mechanism is adopted, disassembly and maintenance are convenient, the internal structure is simple, multi-stage transmission is not needed, the actions of cover grabbing, cover screwing, cover pressing, cover sucking, cover removing and the like during cover assembling can be achieved, and the cover assembling requirement is met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the production and processing technical field of bottle cap, especially relates to a upper rotation cover assembling mechanism and cover assembling machine. BACKGROUND

[0002] The combined cover is a functional packaging assembly formed by the assembly of a top cover and a bottom cover, and precise assembly work needs to be completed by a special cover assembling device in the industrial production process. The current industry generally uses an upper rotation cover assembling mechanism as a core execution unit, and the working principle is as follows: a vacuum chuck or a mechanical gripper is precisely grabbed by a servo drive system, the top cover is vertically pressed to the bottom cover station through a preset motion trajectory, and the meshing positioning and pressure sealing of the two are realized by cooperating with the rotation torque control in the contact process. However, the current technical scheme has a significant technical bottleneck: the cover assembling mechanism is often configured with multi-stage transmission gear sets, high-precision guide rails and complex pneumatic and electrical coupling control systems, which not only leads to complex and cumbersome structure design and prolonged assembly and debugging period, but also causes high manufacturing cost due to the high-specification processing requirements of precise parts, and the mechanical wear of multiple motion pairs also poses a potential risk to the long-term operation stability of the equipment, which has become an important technical obstacle restricting the improvement of combined cover production efficiency and the optimization of manufacturing cost. SUMMARY

[0003] According to the utility model embodiment, a kind of upper rotation cover assembling mechanism is provided, include: lower rotary disc, upper rotary disc and multiple cover assembling modules;

[0004] The upper rotary disc is fixed on the top of the lower rotary disc;

[0005] Multiple cover assembling modules are arranged in a circular array between the lower rotary disc and the upper rotary disc;

[0006] One of the cover assembling modules includes two guide rods, a first transmission block, a second transmission block, a compression rod, a spline shaft and a driving module;

[0007] The two guide rods are arranged between the lower rotary disc and the upper rotary disc;

[0008] The first transmission block is slidably sleeved on the two guide rods;

[0009] The second transmission block is slidably sleeved on the two guide rods and located at the bottom of the first transmission block;

[0010] The top of the compression rod is fixed on the first transmission block, and the bottom of the compression rod penetrates the lower rotary disc;

[0011] The top of the spline shaft is rotatably arranged on the second transmission block through a bearing, the spline shaft is sleeved on the compression rod, and the bottom of the spline shaft penetrates the lower rotary disc;

[0012] The driving module is arranged on the lower rotary disc and connected with the spline shaft, and is used for driving the spline shaft to rotate.

[0013] Further, the driving module comprises a mounting frame, a servo motor, a plane bearing, a connecting sleeve, a transmission sleeve and a transmission assembly.

[0014] The mounting frame is arranged on the lower rotary disc.

[0015] The servo motor is arranged on the mounting frame.

[0016] The plane bearing is arranged on the lower rotary disc, and the plane bearing is sleeved on the spline shaft.

[0017] The bottom of the connecting sleeve is connected with the inner ring of the plane bearing, and the connecting sleeve is sleeved on the spline shaft.

[0018] The bottom of the transmission sleeve is connected with the connecting sleeve, and the transmission sleeve is sleeved on the spline shaft, when the transmission sleeve rotates, the spline shaft can be driven to rotate, and the spline shaft can be axially lifted and lowered relative to the transmission sleeve.

[0019] The transmission assembly is connected with the output end of the servo motor and the transmission sleeve, and is used for transmitting the power of the servo motor to drive the transmission sleeve to rotate.

[0020] Further, the transmission assembly comprises a driving gear, a transmission gear and a driven gear.

[0021] The driving gear is arranged on the output end of the servo motor.

[0022] The transmission gear is rotatably connected to the mounting frame and engaged with the driving gear.

[0023] The driven gear is sleeved on the transmission sleeve and engaged with the transmission gear.

[0024] Further, the driving module further comprises a mounting groove, and the mounting groove is arranged on the lower rotary disc and used for placing the plane bearing.

[0025] Further, the driving module further comprises a first rolling element and a second rolling element.

[0026] The first rolling element is arranged on the first transmission block.

[0027] The second rolling element is arranged on the second transmission block.

[0028] Further, the driving module further comprises a suction channel, and the suction channel is arranged on the pressing rod.

[0029] Further, the driving module further comprises two guide sleeves, and the two guide sleeves are respectively arranged between the spline shaft and the top and bottom of the pressing rod.

[0030] Further, the driving module further comprises a plurality of supporting rods, and the plurality of supporting rods are arranged in a circular array between the lower rotary disc and the upper rotary disc.

[0031] Further, the bottom end outer wall of the spline shaft is provided with threads.

[0032] According to another embodiment of the present application, a cover assembling machine is provided, comprising the upper-rotation cover assembling mechanism of the previous embodiment.

[0033] According to the upper-rotation cover assembling mechanism of the present application, the modular cover assembling mechanism is convenient to disassemble and maintain, and has simple internal structure, and can realize cover grabbing, cover rotating, cover pressing, cover sucking and cover removing during cover assembling without multi-stage transmission, thereby meeting the cover assembling requirement.

[0034] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS

[0035] Fig. 1 FIG. 1 is a perspective view of an upper-rotation cover assembling mechanism according to an embodiment of the present application.

[0036] Fig. 2 FIG. 2 is a perspective view of a cover assembling module of the upper-rotation cover assembling mechanism according to the embodiment of the present application.

[0037] Fig. 3 FIG. 3 is a sectional view of the cover assembling module of the upper-rotation cover assembling mechanism according to the embodiment of the present application. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, and the present application will be further described.

[0039] Firstly, the upper-rotation cover assembling mechanism according to the embodiment of the present application will be described in combination with Figs. 1-3 the application scenarios are very wide.

[0040] As shown in Figs. 1-3 the upper-rotation cover assembling mechanism according to the embodiment of the present application comprises a lower rotating disc 100, an upper rotating disc 200 and a plurality of cover assembling modules.

[0041] Specifically, as shown in Fig. 1 the upper rotating disc 200 is fixed on the top of the lower rotating disc 100, and the plurality of cover assembling modules are arranged in a circular array between the lower rotating disc 100 and the upper rotating disc 200.

[0042] Specifically, as shown in Figs. 1-3As shown in the figure, one of the group cover modules comprises two guide rods 301, a first transmission block 3021, a second transmission block 3022, a pressing rod 303, a spline shaft 304 and a driving module. The two guide rods 301 are arranged between the lower rotary disc 100 and the upper rotary disc 200; the first transmission block 3021 is slidingly sleeved on the two guide rods 301; the second transmission block 3022 is slidingly sleeved on the two guide rods 301 and is located at the bottom of the first transmission block 3021; the top of the pressing rod 303 is fixed on the first transmission block 3021, and the bottom of the pressing rod 303 penetrates the lower rotary disc 100; the top of the spline shaft 304 is rotatably arranged on the second transmission block 3022 through a bearing, the spline shaft 304 is sleeved on the pressing rod 303, and the bottom of the spline shaft 304 penetrates the lower rotary disc 100; the driving module is arranged on the lower rotary disc 100 and is connected with the spline shaft 304, and is used for driving the spline shaft 304 to rotate.

[0043] Further, as shown in the figure, Figs. 1-3 the driving module comprises a mounting frame 3051, a servo motor 3052, a plane bearing 3053, a connecting sleeve 3054, a transmission sleeve 3055 and a transmission assembly; the mounting frame 3051 is arranged on the lower rotary disc 100; the servo motor 3052 is arranged on the mounting frame 3051; the plane bearing 3053 is arranged on the lower rotary disc 100 and is sleeved on the spline shaft 304; the bottom of the connecting sleeve 3054 is connected with the inner ring of the plane bearing 3053, and the connecting sleeve 3054 is sleeved on the spline shaft 304; the bottom of the transmission sleeve 3055 is connected with the connecting sleeve 3054, the transmission sleeve 3055 is sleeved on the spline shaft 304, when the transmission sleeve 3055 rotates, the spline shaft 304 can be driven to rotate, and the spline shaft 304 can be axially lifted and lowered relative to the transmission sleeve 3055; the transmission assembly is connected with the output end of the servo motor 3052 and the transmission sleeve 3055, and is used for transmitting the power of the servo motor 3052 to drive the transmission sleeve 3055 to rotate.

[0044] Further, as shown in the figure, Figs. 1-3 the transmission assembly comprises a driving gear 3056, a transmission gear 3057 and a driven gear 3058; the driving gear 3056 is arranged on the output end of the servo motor 3052; the transmission gear 3057 is rotatably connected on the mounting frame 3051 and is engaged with the driving gear 3056; the driven gear 3058 is sleeved on the transmission sleeve 3055 and is engaged with the transmission gear 3057.

[0045] Further, as shown in the figure, Figs. 1-3 the driving module further comprises a mounting groove 306, the mounting groove 306 is arranged on the lower rotary disc 100 and is used for placing the plane bearing 3053, so as to facilitate the positioning and installation of the plane bearing 3053.

[0046] Further, as shown in the figure, Figs. 1-3As shown, the utility model discloses a kind of upper rotary cover assembling mechanisms further include: first rolling member 401 and second rolling member 402;First rolling member 401 is set on first transmission block 3021;Second rolling member 402 is set on second transmission block 3022.First rolling member 401 and second rolling member 402 can be used bearing, for on the cam disk 500 of cover assembling machine, along cam track 501 movement, further let first transmission block 3021, second transmission block 3022 on two guide rods 301 lift movement, to control the lift movement of press rod 303, spline shaft 304.

[0047] Further, as shown, Figs. 1-3 The utility model discloses a kind of upper rotary cover assembling mechanisms further include: adsorption passage (not shown in figure), adsorption passage is set on press rod 303, by adsorption passage can realize vacuumizing, reach the effect of adsorbing bottle cap.

[0048] Further, as shown, Figs. 1-3 The utility model discloses a kind of upper rotary cover assembling mechanisms further include: two guide sleeves 403, two guide sleeves 403 are respectively set between spline shaft 304 and press rod 303 top, bottom, guarantee the stability of press rod 303 lift movement.

[0049] Further, as shown, Figs. 1-3 The utility model discloses a kind of upper rotary cover assembling mechanisms further include: multiple support rods 404, multiple support rods 404 circular array between lower rotary disc 100 and upper rotary disc 200.

[0050] Further, as shown, Figs. 1-3 The bottom end outer wall of spline shaft 304 is equipped with thread 405, so that corresponding cover assembling head can be replaced according to the different kinds of bottle cap, meet the grasping demand of different bottle cap.

[0051] Working principle:

[0052] According to cover assembling demand, corresponding cover assembling head is installed at the bottom end of spline shaft 304, and a kind of upper rotary cover assembling mechanism is set to cover assembling machine;

[0053] By driving lower rotary disc 100, upper rotary disc 200 and multiple cover assembling modules synchronous rotation, further can let first rolling member 401 and second rolling member 402 on multiple cover assembling modules on the cam disk 500 of cover assembling machine, along cam track 501 movement, so that first transmission block 3021, second transmission block 3022 in specified place individual lift movement, so that press rod 303, spline shaft 304 in specified place individual lift movement, realize the grasping, depression and uncapping action of bottle cap;

[0054] When the capping action needs to be performed, the servo motor 3052 is controlled to move, and power is transmitted to the transmission sleeve 3055 through the driving gear 3056, the transmission gear 3057 and the driven gear 3058, so that the transmission sleeve 3055 rotates, and then the spline shaft 304 rotates, so that the capping head and the bottle cap in the capping head rotate, and the capping action is completed.

[0055] The above, with reference to Figs. 1-3 The above, with reference to

[0056] According to another embodiment of the utility model, a capping machine is provided, which comprises the upper-rotation capping mechanism of the previous embodiment.

[0057] It should be noted that in the present specification, the terms "comprise", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the elements defined by the statement "contain" do not exclude the presence of other identical elements in the process, method, article or equipment comprising the elements.

[0058] Although the content of the utility model has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and alternatives of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the appended claims.

Claims

1. A top-spinning cap assembly mechanism, characterized in that, Includes: a lower rotating disk, an upper rotating disk, and multiple cover assembly modules; The upper rotating disk is fixed to the top of the lower rotating disk; The circular array of multiple cover modules is arranged between the lower rotating disk and the upper rotating disk; One of the assembly modules includes: two guide rods, a first transmission block, a second transmission block, a pressure rod, a splined shaft, and a drive module; The two guide rods are disposed between the lower rotating disk and the upper rotating disk; The first transmission block is slidably sleeved on the two guide rods; The second transmission block is slidably sleeved on the two guide rods and is located at the bottom of the first transmission block; The top of the pressure rod is fixed to the first transmission block, and the bottom of the pressure rod passes through the lower rotating disk; The top of the spline shaft is rotatably mounted on the second transmission block via a bearing, the spline shaft is sleeved on the pressure rod, and the bottom of the spline shaft passes through the lower rotating disk; The drive module is mounted on the lower rotating disk and connected to the spline shaft, and is used to drive the spline shaft to rotate.

2. The upper rotating cover mechanism as described in claim 1, characterized in that, The drive module includes: a mounting bracket, a servo motor, a plane bearing, a connecting sleeve, a transmission sleeve, and a transmission assembly; The mounting bracket is mounted on the lower rotating disk; The servo motor is mounted on the mounting bracket; The planar bearing is mounted on the lower rotating disk and is sleeved on the splined shaft; The bottom of the connecting sleeve is connected to the inner ring of the planar bearing, and the connecting sleeve is sleeved on the splined shaft; The bottom of the transmission sleeve is connected to the connecting sleeve. The transmission sleeve is sleeved on the spline shaft. When the transmission sleeve rotates, it can drive the spline shaft to rotate. The spline shaft can move axially up and down relative to the transmission sleeve. The transmission assembly connects the output end of the servo motor and the transmission sleeve, and is used to transmit the power of the servo motor and drive the transmission sleeve to rotate.

3. The upper rotating cover mechanism as described in claim 2, characterized in that, The transmission assembly includes: a driving gear, a transmission gear, and a driven gear; The drive gear is located at the output end of the servo motor. The transmission gear is rotatably connected to the mounting bracket and meshes with the drive gear; The driven gear is sleeved on the transmission sleeve and meshes with the transmission gear.

4. The upper rotating cover mechanism as described in claim 2, characterized in that, The drive module further includes a mounting slot, which is formed on the lower rotating disk for placing and mounting the planar bearing.

5. The upper rotating cover mechanism as described in claim 1, characterized in that, It also includes: a first rolling element and a second rolling element; The first rolling element is disposed on the first transmission block; The second rolling element is disposed on the second transmission block.

6. The upper rotating cover mechanism as described in claim 1, characterized in that, It also includes: an adsorption channel, which is formed on the pressure rod.

7. The upper rotating cover mechanism as described in claim 1, characterized in that, It also includes: two guide sleeves, which are respectively disposed between the top and bottom of the spline shaft and the pressure rod.

8. The upper rotating cover mechanism as described in claim 1, characterized in that, It also includes: a plurality of support rods arranged in a circular array between the lower rotating disk and the upper rotating disk.

9. The upper rotating cover mechanism as described in claim 1, characterized in that, The splined shaft has threads on the outer wall of its bottom end.

10. A cap-assembling machine, characterized in that, It includes the upper rotating cover mechanism as described in any one of claims 1 to 9.