Bottle cap tightening device

Abstract

The utility model discloses a bottle cap tightening device which comprises a base, a conveying mechanism is arranged on the base, the conveying mechanism comprises a conveying strip and a conveying wheel, the conveying wheel is connected to the base, a first driving mechanism is further arranged on the base, the conveying strip comprises two connecting sections and two conveying sections, the two connecting sections and the two conveying sections are connected to form a closed loop, and the first driving mechanism is arranged on the base. A first sliding seat and a second sliding seat are further connected to the base in a sliding mode, a first cap screwing wheel set is connected to the first sliding seat, a second cap screwing wheel set is connected to the second sliding seat, an avoiding groove is formed in the base, the first sliding seat is connected to one conveying section, and the second sliding seat is connected to the other conveying section. Therefore, the first sliding seat and the second sliding seat can be simultaneously driven to get close to each other or get away from each other through the movement of one conveying strip, so that the number of conveying mechanisms is reduced, the production cost is reduced, and meanwhile, the size of the bottle cap tightening device can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of personal care product manufacturing equipment, in particular to a bottle cap tightening device. Background Art

[0002] In current personal care products, bottles are often used for packaging. For example, shampoo, shower gel and other care products need to be packaged in bottles. Among them, the sealing of the bottle has a direct impact on the product quality and shelf life. The tightening of the bottle cap is not only related to the sealing effect of the product, but also directly affects the production efficiency and cost control. The traditional manual capping method is labor-intensive, inefficient and inconsistent, and has gradually been replaced by automated capping equipment.

[0003] In order to enable the capping device to tighten bottle caps of different sizes, two sets of capping wheels are often used to tighten the bottle caps. This requires two sets of mechanisms to drive the two sets of capping wheels to approach each other for capping, which leads to a complex structure and high manufacturing cost.

[0004] The utility model is made based on the above situation. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art and provides a bottle cap tightening device which can simultaneously drive a first cap screwing wheel group and a second cap screwing wheel group to approach each other for cap screwing through a group of transmission mechanisms.

[0006] The utility model is realized by the following technical solutions:

[0007] The conveying wheel is rotatably connected to the base through a first rotating shaft, and the base is also provided with a first driving mechanism for driving one or more of the conveying wheels to rotate. The conveying wheel comprises two connecting sections connected to the conveying wheel and two conveying sections connected to the connecting sections, and the two connecting sections are connected to the two conveying sections to form a closed loop. The base is also slidably connected with a first sliding seat and a second sliding seat, the first sliding seat is connected with a first capping wheel group that can extend from the bottom of the base, the second sliding seat is connected with a second capping wheel group that can extend from the bottom of the base and cooperate with the first capping wheel group to tighten the cap, the base is provided with an avoidance groove that provides avoidance space for the movement of the first capping wheel group and the second capping wheel group, the first sliding seat is connected to one conveying section, and the second sliding seat is connected to the other conveying section.

[0008] In the bottle cap tightening device as described above, a mounting frame is further provided between the first sliding seat and the second sliding seat, a pressing block capable of pressing the bottle cap downward is movably connected below the mounting frame, and a fourth driving mechanism for driving the pressing block to move up and down is provided on the mounting frame.

[0009] A bottle cap tightening device as described above, wherein the first cap tightening wheel group includes a second rotating shaft rotatably connected to the first sliding seat and a second driving mechanism driving the second rotating shaft to rotate, the lower end of the second rotating shaft passes through the avoidance groove, and the lower end of the second rotating shaft is connected to the first cap tightening wheel that can rotate along with the second rotating shaft, and the second cap tightening wheel group includes a third rotating shaft rotatably connected to the second sliding seat and a third driving mechanism driving the third rotating shaft to rotate, the lower end of the third rotating shaft passes through the avoidance groove, and the lower end of the third rotating shaft is connected to the second cap tightening wheel that can rotate along with the third rotating shaft.

[0010] In the bottle cap tightening device as described above, a sensor capable of detecting whether the bottle reaches a preset area is disposed on the base, and the bottle cap tightening device also includes a control unit capable of receiving the sensor signal and controlling the operation of the first drive mechanism, the second drive mechanism, the third drive mechanism and the fourth drive mechanism to tighten the cap.

[0011] In the bottle cap tightening device as described above, the first sliding seat and the second sliding seat are both connected with clamping plates for clamping the conveying bar so that the first sliding seat and the second sliding seat move along with the conveying bar.

[0012] In the bottle cap tightening device as described above, a guide frame is further provided on the base, and the guide frame includes two connecting blocks arranged at intervals and a guide column arranged between the two connecting blocks, and the first sliding seat and the second sliding seat are both slidably connected to the guide column.

[0013] In the bottle cap tightening device as described above, the first sliding seat includes two symmetrically designed sliders, the tops of the two sliders are provided with top plates, a mounting plate is provided below the top plates, both ends of the mounting plate are respectively connected to the two sliders, and a mounting area is provided between the top plates and the mounting plates.

[0014] In the bottle cap tightening device as described above, the first driving mechanism includes a first motor connected to a base, and a first gear set for transmission is provided between an output shaft of the first motor and the first rotating shaft.

[0015] A bottle cap tightening device as described above, wherein the second driving mechanism includes a second motor connected to the top plate, the output shaft of the second motor extends into the installation area, the second rotating shaft is rotatably connected to the mounting plate, the upper end of the second rotating shaft extends into the installation area, a second gear set for transmission is provided between the output shaft of the second motor and the upper end of the second rotating shaft, the first sliding seat has the same structure as the second sliding seat, and the third driving mechanism has the same structure as the second driving mechanism; a support column for supporting the base is connected to the base, and the sensor is connected to the support column.

[0016] In the bottle cap tightening device as described above, the two connecting sections and the two conveying sections are integrally formed.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] In this case, the conveying strip includes two connecting sections connected to the conveying wheel and two conveying sections connected to the connecting sections. The two connecting sections are connected to the two conveying sections to form a closed loop. The first sliding seat is connected to one conveying section, and the second sliding seat is connected to the other conveying section. Therefore, the movement of one conveying strip can simultaneously drive the first sliding seat and the second sliding seat to move closer to or away from each other, thereby reducing the number of conveying mechanisms, thereby reducing production costs, and also effectively reducing the volume of the bottle cap tightening device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0022] Figure 3 It is a schematic diagram of the structure of the utility model after the base is removed;

[0023] Figure 4 It is an exploded schematic diagram of the utility model after the base is removed;

[0024] Figure 5 The utility model is a cross-sectional view Figure 1 ;

[0025] Figure 6 The utility model is a cross-sectional view Figure 2 ;

[0026] Figure 7 It is a schematic diagram of the movement of the first sliding seat and the second sliding seat moving away from each other in the utility model;

[0027] Figure 8 It is a schematic diagram of the movement of the first sliding seat and the second sliding seat approaching each other in the utility model. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings:

[0029] like Figures 1 to 8 The bottle cap tightening device shown in the figure comprises a base 1, on which a conveying mechanism is provided, the conveying mechanism comprises a conveying bar 21 and at least two conveying wheels 22 for driving the conveying bar 21 to move, the conveying wheels 22 are rotatably connected to the base 1 via a first rotating shaft 23, and the base 1 is further provided with a first driving mechanism 24 for driving one or more of the conveying wheels 22 to rotate, the conveying bar 21 comprises two connecting sections 211 connected to the conveying wheels 22 and two conveying sections 212 connected to the connecting sections 211, the two connecting sections 211 are connected to the two conveying sections 212 to form a closed loop, and the two connecting sections 211 are connected to the two conveying sections 212 to form a closed loop. The connecting section 211 and the two conveying sections 212 are integrally formed, and the base 1 is also slidably connected with a first sliding seat 3 and a second sliding seat 4, the first sliding seat 3 is connected with a first capping wheel set 50 that can extend from the bottom of the base 1, and the second sliding seat 4 is connected with a second capping wheel set 500 that can extend from the bottom of the base 1 and cooperate with the first capping wheel set 50 to perform capping, and the base 1 is provided with an escape groove 11 that provides an escape space for the movement of the first capping wheel set 50 and the second capping wheel set 500, the first sliding seat 3 is connected to one conveying section 212, and the second sliding seat 4 is connected to another conveying section 212. Thus, the first sliding seat 3 and the second sliding seat 4 can be simultaneously driven to move closer to or away from each other through the movement of a conveying bar 21, thereby reducing the number of conveying mechanisms, thereby reducing production costs, and also effectively reducing the volume of the bottle cap tightening device.

[0030] Specifically, the above-mentioned conveying bar 21 can be a conveying belt or a conveying chain. When the conveying bar 21 is a conveying belt, the above-mentioned conveying wheel 22 is a belt wheel. When the conveying bar 21 is a conveying chain, the above-mentioned conveying wheel 22 is a sprocket wheel.

[0031] In one embodiment, a mounting frame 6 is further provided between the first sliding seat 3 and the second sliding seat 4, and a pressing block 61 capable of pressing the bottle cap downward is movably connected below the mounting frame 6, and a fourth driving mechanism 62 for driving the pressing block 61 to move up and down is provided on the mounting frame 6. The fourth driving mechanism 62 may be a linear motor or a cylinder, and the pressing block 61 is connected to the telescopic rod of the linear motor or the cylinder through a threaded fastener. The mounting frame 6 is connected to the base 1 through a threaded fastener, and the pressing block 61 presses the bottle cap downward while twisting the bottle cap, so that the bottle cap is more stable when twisting, and the twisting is more precise.

[0032] In one embodiment, the first capping wheel set 50 includes a second rotating shaft 53 rotatably connected to the first sliding seat 3 and a second driving mechanism 54 driving the second rotating shaft 53 to rotate, the lower end of the second rotating shaft 53 passes through the avoidance groove 11, the lower end of the second rotating shaft 53 is connected to a first capping wheel 51 that can rotate with the second rotating shaft 53, and the second capping wheel set 500 includes a third rotating shaft 56 rotatably connected to the second sliding seat 4 and a third driving mechanism 55 driving the third rotating shaft 56 to rotate, the lower end of the third rotating shaft 56 passes through the avoidance groove 11, and the lower end of the third rotating shaft 56 is connected to a second capping wheel 52 that can rotate with the third rotating shaft 56. There are two first capping wheels 51 and two second capping wheels 52, and the first capping wheels 51 and the second capping wheels 52 surround the bottle cap when capping, and the capping is performed by friction when rotating.

[0033] In one embodiment, the base 1 is provided with a sensor 7 that can detect whether the bottle reaches the preset area, the preset area and the capping position below the base 1, and the bottle cap tightening device also includes a control unit that can receive the sensor 7 signal, and then control the first drive mechanism 24, the second drive mechanism 54, the third drive mechanism 55 and the fourth drive mechanism 62 to work, so as to screw the cap, and the control unit can be an electric control box or a computer terminal. The base 1 is connected to a support column 12 for supporting the base 1, and the support column 12 is connected to the base 1 through a threaded fastener, and the sensor 7 is connected to the support column 12, and the sensor 7 can be connected to the support column 12 through other connection structures such as threaded fasteners or snap rings.

[0034] In one embodiment, the first sliding seat 3 and the second sliding seat 4 are both connected with a clamping plate 8 for clamping the conveying bar 21 so that the first sliding seat 3 and the second sliding seat 4 move along with the conveying bar 21. The clamping plate 8 is connected to the first sliding seat 3 or the second sliding seat 4 through a threaded fastener to clamp the conveying bar 21.

[0035] In one embodiment, the base 1 is further provided with a guide frame 9, which includes two connection blocks 91 spaced apart and a guide column 92 disposed between the two connection blocks 91, and the first sliding seat 3 and the second sliding seat 4 are both slidably connected to the guide column 92. The two connection blocks 91 are connected to the base 1 by threaded fasteners, and the guide column 92 can be connected to the two connection blocks 91 by threaded connection or other connection structures. The guide column 92 guides the movement of the first sliding seat 3 and the second sliding seat 4, so that the movement of the first sliding seat 3 and the second sliding seat 4 is more stable.

[0036] In one embodiment, the first driving mechanism 24 includes a first motor 241 connected to the base 1, and a first gear set 242 for transmission is provided between the output shaft of the first motor 241 and the first rotating shaft 23. The first motor 241 is a motor capable of forward and reverse rotation. The first motor 241 is connected to the base through a threaded fastener. The first rotating shaft 23 is rotatably connected to the base 1 through a bearing structure.

[0037] In one embodiment, the first sliding seat 3 includes two symmetrically designed sliders 31, the top of the two sliders 31 is provided with a top plate 32, the bottom of the top plate 32 is provided with a mounting plate 33, the two ends of the mounting plate 33 are respectively connected to the two sliders 31, and a mounting area 34 is provided between the top plate 32 and the mounting plate 33. The second driving mechanism 54 includes a second motor 541 connected to the top plate 32, the output shaft of the second motor 541 extends into the mounting area 34, the second rotating shaft 53 is rotatably connected to the mounting plate 33, the upper end of the second rotating shaft 53 extends into the mounting area 34, and a second gear set 542 for transmission is provided between the output shaft of the second motor 541 and the upper end of the second rotating shaft 53. Among them, the second rotating shaft 53 is rotatably connected to the mounting plate 33 through a bearing structure. The top plate 32 is connected to the slider 31 through a threaded fastener, and the mounting plate 33 is connected to the slider 31 through a threaded fastener. The first sliding seat 3 has the same structure as the second sliding seat 4, and the third driving mechanism 55 has the same structure as the second driving mechanism 54.

[0038] In one embodiment, two sets of conveying mechanisms and two sets of capping mechanisms are provided on the base 1 for secondary capping, thereby ensuring that the bottle cap is tightened more tightly.

Claims

1. A bottle cap tightening device, characterized in that: The invention comprises a base (1), wherein a conveying mechanism is provided on the base (1), wherein the conveying mechanism comprises a conveying bar (21) and at least two conveying wheels (22) for driving the conveying bar (21) to move, wherein the conveying wheels (22) are rotatably connected to the base (1) via a first rotating shaft (23), and the base (1) is further provided with a first driving mechanism (24) for driving one or more of the conveying wheels (22) to rotate, wherein the conveying bar (21) comprises two connecting sections (211) connected to the conveying wheels (22) and two conveying sections (212) connected to the connecting sections (211), wherein the two connecting sections (211) and the two conveying sections (212) are connected to form a closed connection. The base (1) is also slidably connected to a first sliding seat (3) and a second sliding seat (4); the first sliding seat (3) is connected to a first cap-twisting wheel group (50) that can extend from the bottom of the base (1); the second sliding seat (4) is connected to a second cap-twisting wheel group (500) that can extend from the bottom of the base (1) and cooperate with the first cap-twisting wheel group (50) to tighten the cap; the base (1) is provided with an avoidance groove (11) that provides an avoidance space for the movement of the first cap-twisting wheel group (50) and the second cap-twisting wheel group (500); the first sliding seat (3) is connected to a transmission section (212), and the second sliding seat (4) is connected to another transmission section (212).

2. A bottle cap tightening device according to claim 1, characterized in that: A mounting frame (6) is also provided between the first sliding seat (3) and the second sliding seat (4); a pressing block (61) capable of pressing the bottle cap downward is movably connected below the mounting frame (6); and a fourth driving mechanism (62) for driving the pressing block (61) to move up and down is provided on the mounting frame (6).

3. A bottle cap tightening device according to claim 2, characterized in that: The first cap-tightening wheel assembly (50) comprises a second rotating shaft (53) rotatably connected to the first sliding seat (3) and a second driving mechanism (54) driving the second rotating shaft (53) to rotate, the lower end of the second rotating shaft (53) passes through the avoidance groove (11), and the lower end of the second rotating shaft (53) is connected to a first cap-tightening wheel (51) capable of rotating along with the second rotating shaft (53), and the second cap-tightening wheel assembly (500) comprises a third rotating shaft (56) rotatably connected to the second sliding seat (4) and a third driving mechanism (55) driving the third rotating shaft (56) to rotate, the lower end of the third rotating shaft (56) passes through the avoidance groove (11), and the lower end of the third rotating shaft (56) is connected to a second cap-tightening wheel (52) capable of rotating along with the third rotating shaft (56).

4. A bottle cap tightening device according to claim 3, characterized in that: The base (1) is provided with a sensor (7) capable of detecting whether the bottle has reached a preset area, and the bottle cap tightening device also includes a control unit capable of receiving a signal from the sensor (7) and controlling the operation of a first drive mechanism (24), a second drive mechanism (54), a third drive mechanism (55) and a fourth drive mechanism (62), thereby tightening the cap.

5. A bottle cap tightening device according to claim 4, characterized in that: The first sliding seat (3) and the second sliding seat (4) are both connected with clamping plates (8) for clamping the conveying bar (21) so that the first sliding seat (3) and the second sliding seat (4) move along with the conveying bar (21).

6. A bottle cap tightening device according to claim 1, characterized in that: The base (1) is also provided with a guide frame (9), the guide frame (9) comprising two spaced connection blocks (91) and a guide column (92) provided between the two connection blocks (91), and the first sliding seat (3) and the second sliding seat (4) are both slidably connected to the guide column (92).

7. A bottle cap tightening device according to claim 4, characterized in that: The first sliding seat (3) comprises two symmetrically designed sliding blocks (31), a top plate (32) being provided on the top of the two sliding blocks (31), a mounting plate (33) being provided below the top plate (32), two ends of the mounting plate (33) being respectively connected to the two sliding blocks (31), and a mounting area (34) being provided between the top plate (32) and the mounting plate (33).

8. The bottle cap tightening device according to claim 1, characterized in that: The first driving mechanism (24) comprises a first motor (241) connected to the base (1), and a first gear set (242) for transmission is provided between the output shaft of the first motor (241) and the first rotating shaft (23).

9. The bottle cap tightening device according to claim 7, characterized in that: The second driving mechanism (54) comprises a second motor (541) connected to the top plate (32), the output shaft of the second motor (541) extends into the mounting area (34), the second rotating shaft (53) is rotatably connected to the mounting plate (33), the upper end of the second rotating shaft (53) extends into the mounting area (34), a second gear set (542) for transmission is provided between the output shaft of the second motor (541) and the upper end of the second rotating shaft (53), the first sliding seat (3) and the second sliding seat (4) have the same structure, and the third driving mechanism (55) and the second driving mechanism (54) have the same structure; a supporting column (12) for supporting the base (1) is connected to the base (1), and the sensor (7) is connected to the supporting column (12).

10. The bottle cap tightening device according to claim 1, characterized in that: The two connecting sections (211) and the two conveying sections (212) are integrally formed.

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