Fixed clamping device
By designing a fixed clamping device, the cam drives the push plate to drive the clamping block to rotate, the stable clamping of the empty box is achieved, the problem of unstable clamping of the shrapnel is solved, and the accuracy of the moisture packing into the box is ensured.
Patent Information
- Application Number
- CN202422034999.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-21
Smart Images
Figure CN223071208U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tobacco manufacturing, and particularly relates to a fixed clamping device. Background Art
[0002] The production line of "Medium Branch Great Nine" of Yunyan is a fully automated production line with a double-compartment moisturizing and flavor-preserving specification. It can complete the automatic packaging process of multiple special processes such as double-compartment, fresh-keeping packaging, fully side-opening small boxes, and special-shaped strip boxes. Among them, the moisturizing package into box equipment YB621E is mainly used to complete the packaging of the moisturizing package into empty small boxes. Since the existing die box for placing empty small boxes uses elastic pieces to limit the empty small boxes. However, in the actual production process, it is found that using elastic pieces cannot clamp the empty small boxes well, and unstable situations such as the empty small boxes popping out and skewing are likely to occur, which cannot meet the purpose of accurately packing the moisturizing package into the box. Therefore, how to be able to clamp the empty small boxes well and not easily have the situations of the empty small boxes popping out and skewing has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a fixed clamping device to solve the above technical problems in the prior art.
[0004] To achieve the above purpose, the utility model provides the following technical solutions:
[0005] A fixed clamping device includes a bottom plate, a left swing clamping block, a right swing clamping block, a guide rail, a slider, and a push plate. A left baffle is arranged on the left side of the top surface of the bottom plate, a right baffle opposite to the left baffle is arranged on the right side of the top surface of the bottom plate, and a rear baffle is arranged on the rear side of the top surface of the bottom plate; the left swing clamping block is rotationally connected to the front end of the left baffle through a first rotating shaft, the axis of the first rotating shaft is perpendicular to the top surface of the bottom plate, a first elastic piece is arranged on the left side wall of the front end of the left baffle, and the front end of the first elastic piece is in contact with the left side wall of the left swing clamping block; the right swing clamping block is rotationally connected to the front end of the right baffle through a second rotating shaft, the second rotating shaft is parallel to the first rotating shaft, a second elastic piece is arranged on the right side wall of the front end of the right baffle, and the front end of the second elastic piece is in contact with the right side wall of the right swing clamping block; both the upper ends of the left swing clamping block and the right swing clamping block have L-shaped clamping parts adapted to the corners of the empty small boxes, and both the lower ends of the left swing clamping block and the right swing clamping block have blocking parts extending obliquely backward; the guide rail is arranged on the front side of the bottom surface of the bottom plate and extends in the front-rear direction, the slider is slidably arranged on the guide rail, and the push plate is arranged on the slider; the rear end of the push plate is used to contact with a cam on the moisturizing package into box equipment, and the front end of the push plate is used to contact with the two blocking parts.
[0006] Preferably, it further includes a limit block which is arranged on the rear side of the bottom surface of the base plate, and the limit block is used for abutting against the rear end of the slider.
[0007] Preferably, the limit block is detachably connected to the bottom surface of the base plate.
[0008] Preferably, a first mounting shaft is arranged at one end of the blocking portion close to the push plate, a first bearing for contacting the push plate is arranged on the first mounting shaft, and the axis of the first mounting shaft is parallel to the axis of the first rotating shaft.
[0009] Preferably, a second mounting shaft is arranged at the front end of the push plate, a second bearing for contacting the cam is arranged on the second mounting shaft, and the second mounting shaft is parallel to the first mounting shaft.
[0010] Preferably, the push plate includes an isosceles trapezoidal plate and two pointed ends, and the two pointed ends are respectively arranged on the left and right sides of the front end of the isosceles trapezoidal plate, and the two pointed ends are respectively used for contacting the two first bearings.
[0011] Preferably, the two pointed ends and the isosceles trapezoidal plate are of an integral structure.
[0012] Preferably, four mounting holes for connecting with the slider are arranged on the push plate.
[0013] The beneficial effects of the present utility model are as follows:
[0014] For the fixed clamping device of the present utility model, when in use, the cam on the moisturizing packaging box equipment contacts the rear end of the push plate. As the cam rotates, the cam will push the push plate to drive the slider to move forward on the guide rail. At this time, the front end of the push plate will push the left swing clamping block and the right swing clamping block to rotate around the first rotating shaft and the second rotating shaft respectively through the two blocking portions, so that the two L-shaped clamping portions swing outwards and away from each other. When the highest point of the cam contacts the push plate, the two L-shaped clamping portions swing outwards to the maximum position. At this time, the empty small box enters between the left baffle and the right baffle. Then, under the restoring force of the first elastic piece and the second elastic piece, the two L-shaped clamping portions return to their positions and respectively fit against the outer wall surfaces of the left and right two corners at the front end of the empty small box, and press the empty small box against the rear baffle, thereby being able to clamp the empty small box well and it is not easy for the empty small box to pop out and skew. Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments, and will further elaborate on the specific embodiments of the present utility model in conjunction with the drawings, wherein
[0016] Figure 1 Schematic diagram of the bottom of the fixed clamping device provided by an embodiment of the present utility model;
[0017] Figure 2 Schematic diagram of the top of the fixed clamping device provided by an embodiment of the present utility model;
[0018] Figure 3 Schematic diagram when the second bearing contacts the highest point of the cam provided by an embodiment of the present utility model;
[0019] Figure 4 Schematic diagram when the two L-shaped clamping parts swing outwards to the maximum position provided by an embodiment of the present utility model;
[0020] Figure 5 Schematic diagram when the two L-shaped clamping parts clamp an empty small box provided by an embodiment of the present utility model.
[0021] Markings in the drawings:
[0022] 11. Bottom plate, 12. Rear baffle;
[0023] 21. Left baffle, 22. First elastic piece, 23. First rotating shaft;
[0024] 31. Right baffle, 32. Second elastic piece, 33. Second rotating shaft;
[0025] 41. Left swing clamping block, 42. Right swing clamping block, 43. L-shaped clamping part,
[0026] 44. Blocking part, 45. First mounting shaft, 46. First bearing, 47. Connecting part;
[0027] 51. Guide rail, 52. Slide block;
[0028] 61. Push plate, 62. Second mounting shaft, 63. Second bearing, 64. Mounting hole,
[0029] 65. Tip part; 71. Limit block; 81. Empty small box; 91. Cam. Detailed implementation manners
[0030] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the following will further introduce this solution in detail in combination with specific embodiments.
[0031] As Figures 1 to 5As shown in the figure, an embodiment of the present utility model provides a fixed clamping device, which includes a bottom plate 11, a left swing clamping block 41, a right swing clamping block 42, a guide rail 51, a slider 52, and a push plate 61. A left baffle 21 is provided on the left side of the top surface of the bottom plate 11, a right baffle 31 opposite to the left baffle is provided on the right side of the top surface of the bottom plate, and a rear baffle 12 is provided on the rear side of the top surface of the bottom plate; the left swing clamping block 41 is rotatably connected to the front end of the left baffle 21 through a first rotating shaft 23, the axis of the first rotating shaft is perpendicular to the top surface of the bottom plate, and a first elastic sheet 22 is provided on the left side wall of the front end of the left baffle, and the front end of the first elastic sheet is in contact with the left side wall of the left swing clamping block; the right swing clamping block 42 is rotatably connected to the front end of the right baffle 31 through a second rotating shaft 33, the second rotating shaft is parallel to the first rotating shaft, and a second elastic sheet 32 is provided on the right side wall of the front end of the right baffle, and the front end of the second elastic sheet is in contact with the right side wall of the right swing clamping block; the upper ends of the left swing clamping block and the right swing clamping block both have L-shaped clamping portions 43 adapted to the corners of the empty small box, and the lower ends of the left swing clamping block and the right swing clamping block both have blocking portions 44 extending obliquely backward; the guide rail is provided on the front side of the bottom surface of the bottom plate and extends in the front-rear direction, the slider is slidably provided on the guide rail, and the push plate 61 is provided on the slider 52; the rear end of the push plate is used to contact with a cam 91 on the moisturizing bag-in-box device, and the front end of the push plate 61 is used to contact with the two blocking portions 44.
[0032] In the fixed clamping device provided by the embodiment of the present utility model, when in use, the cam on the moisturizing bag-in-box device contacts with the rear end of the push plate 61. As the cam rotates, the cam will push the push plate to drive the slider to move forward on the guide rail. At this time, the front end of the push plate 61 will push the left swing clamping block 41 and the right swing clamping block 42 to rotate around the first rotating shaft and the second rotating shaft respectively through the two blocking portions, so that the two L-shaped clamping portions swing outward and move away from each other. When the highest point of the cam contacts with the push plate, the two L-shaped clamping portions 43 swing outward to the maximum position. At this time, the empty small box is allowed to enter between the left baffle and the right baffle. Then, under the restoring force of the first elastic sheet 22 and the second elastic sheet 32, the two L-shaped clamping portions return to their positions and respectively fit with the outer wall surfaces of the left and right two corners at the front end of the empty small box, and press the empty small box against the rear baffle, thereby realizing good clamping of the empty small box and preventing the empty small box from popping out and skewing.
[0033] Further, the fixed clamping device further includes a limit block 71, the limit block 71 is provided on the rear side of the bottom surface of the bottom plate 11, and the limit block 71 is used to block and connect with the rear end of the slider 52. With this solution, the limit block can be used to limit the slider and prevent the slider from disengaging from the rear end of the guide rail.
[0034] Preferably, the limiting block 71 is detachably connected to the bottom surface of the bottom plate, facilitating the replacement or repair of the limiting block.
[0035] In one embodiment, an elastic reset member may be provided between the front end of the guide rail and the front end of the slider, enabling the slider to return quickly by the restoring force of the elastic reset member.
[0036] Furthermore, a first mounting shaft 45 is provided at one end of the blocking portion 44 close to the push plate. A first bearing 46 for contacting the push plate is provided on the first mounting shaft, and the axis of the first mounting shaft is parallel to the axis of the first rotating shaft. With this solution, the friction can be reduced, enabling the push plate to more easily push the left swing clamping block and the right swing clamping block to rotate around the first rotating shaft and the second rotating shaft respectively when moving forward.
[0037] Specifically, a second mounting shaft 62 is provided at the front end of the push plate 61. A second bearing 63 for contacting the cam is provided on the second mounting shaft, and the second mounting shaft is parallel to the first mounting shaft. With this solution, the friction is effectively reduced by the contact between the second bearing and the cam, making it easier to drive the push plate to move forward.
[0038] It can be understood that the two bearings and the two mounting shafts are coaxially arranged respectively; the first bearing and the second bearing can both be rolling bearings. The inner ring of the first bearing is in interference fit with the first mounting shaft, and the inner ring of the second bearing is in interference fit with the second mounting shaft. When the two blocking portions swing back and forth simultaneously, that is, swing in and out, the outer ring of the first bearing rotates around its inner ring and the first mounting shaft; when the push plate moves back and forth, the outer ring of the second bearing rotates around its inner ring and the second mounting shaft. The slider is movably fitted on the guide rail, that is, the slider can move back and forth along the guide rail and cannot be disengaged from the side of the guide rail away from the bottom plate.
[0039] In another embodiment, the first bearing and the second bearing can be replaced by a first roller and a second roller respectively, that is, a first roller is rotatably provided on the first mounting shaft, and a second roller is rotatably provided on the second mounting shaft. The first roller is coaxial with the first mounting shaft, and the second roller is coaxial with the second mounting shaft.
[0040] Preferably, the L-shaped clamping part of the left swing clamping block 41 is located on the right side wall of its upper end, and the L-shaped clamping part of the right swing clamping block is located on the left side wall of its upper end, that is, the two L-shaped clamping parts are respectively located on the inner side walls of the two swing clamping blocks. Specifically, a notch is provided on the right side of the bottom plate. The front end of the right baffle first bends downward and then extends horizontally forward and is located in the notch. The upper end of the right swing clamping block 42 has a connecting part 47, which is located on the upper side of the front end of the right baffle. The connecting part is rotatably connected to the front end of the right baffle through a first rotating shaft. The rear end of the first elastic sheet is connected to the upper end of the bent part of the right baffle, and the left side wall of the front end of the first elastic sheet is attached to the connecting part and the right side wall of the right swing clamping block; the same structure can also be adopted between the left side of the bottom plate and the left baffle.
[0041] Further, the push plate 61 includes an isosceles trapezoidal plate and two pointed ends 65. The two pointed ends 65 are respectively arranged on the left and right sides of the front end of the isosceles trapezoidal plate, and the two pointed ends 65 are respectively used to contact the two first bearings 46. With this solution, the structure of the push plate is relatively simple.
[0042] Preferably, the two pointed ends and the isosceles trapezoidal plate are of an integral structure, so that the overall strength of the push plate is relatively high.
[0043] Specifically, four mounting holes 64 for connecting with the slider are provided on the push plate 61. With this solution, by using four bolts to respectively pass through the four mounting holes and cooperate with the corresponding threaded holes on the slider and tighten, the firm connection between the push plate and the slider can be achieved. Preferably, the four mounting holes are distributed in a rectangle on the push plate.
[0044] In other embodiments, both the first elastic sheet and the second elastic sheet can be replaced by a tension spring, and the tension of the tension spring can be flexibly adjusted according to actual needs. With this solution, the empty small box can also be better stably fixed and reliably clamped.
[0045] The general working process of the present utility model is as follows:
[0046] Fix the bottom plate on the turntable of the equipment and rotate with it. At this time, both L-shaped clamping parts 43 are in the initial position, as Figure 2As shown in the figure, when the fixed clamping device is about to rotate to the entrance of the empty small box, the second bearing contacts the cam 91 on the device. The cam pushes the push plate and the slider to move forward along the guide rail through the second bearing. The push plate is used to push the two blocking parts to swing outwards simultaneously, driving the left swing clamping block and the right swing clamping block to rotate around the first rotating shaft and the second rotating shaft respectively, so that the two L-shaped clamping parts also swing outwards and move away from each other. At the same time, the first elastic piece and the second elastic piece undergo elastic deformation due to the rotation of the two swing clamping blocks. When the second bearing contacts the highest point of the cam, the two L-shaped clamping parts swing outwards to the maximum position, enabling the empty small box to smoothly enter between the left baffle and the right baffle. After the empty small box enters between the left baffle and the right baffle, the height of the part of the cam in contact with the second bearing gradually decreases, that is, the length of the cam in the front-rear direction gradually becomes smaller, and it can no longer push the push plate forward. At this time, under the restoring force of the first elastic piece and the second elastic piece, the two L-shaped clamping parts 43 return to their positions and respectively fit against the outer wall surfaces of the left and right two corners at the front end of the empty small box, and press the empty small box 81 against the rear baffle, so that the empty small box 81 is limited between the left baffle, the right baffle, the rear baffle and the two L-shaped clamping parts, as Figure 5 shown, realizing reliable clamping and fixing of the empty small box.
[0047] The structure of the present utility model is simple and operates stably. It can realize automatic clamping of the empty small box, has a better stabilizing effect on the empty small box, can solve unstable situations such as the empty small box popping out and skewing, and can better meet the technical requirements for accurately placing the moisture-proof package into the box.
[0048] The above is only the preferred embodiment of the present utility model. It should be noted that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. Moreover, after reading the content of the present utility model, those skilled in the relevant art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by the appended claims of this application.
Claims
1. A fixed clamping device, characterized in that, It includes a bottom plate, a left swing clamping block, a right swing clamping block, a guide rail, a slider, and a push plate. A left baffle is provided on the left side of the top surface of the bottom plate, a right baffle opposite to the left baffle is provided on the right side of the top surface of the bottom plate, and a rear baffle is provided on the rear side of the top surface of the bottom plate; the left swing clamping block is rotatably connected to the front end of the left baffle through a first rotating shaft, the axis of the first rotating shaft is perpendicular to the top surface of the bottom plate, a first elastic sheet is provided on the left side wall of the front end of the left baffle, and the front end of the first elastic sheet is in contact with the left side wall of the left swing clamping block; the right swing clamping block is rotatably connected to the front end of the right baffle through a second rotating shaft, the second rotating shaft is parallel to the first rotating shaft, a second elastic sheet is provided on the right side wall of the front end of the right baffle, and the front end of the second elastic sheet is in contact with the right side wall of the right swing clamping block; the upper ends of the left swing clamping block and the right swing clamping block both have L-shaped clamping parts adapted to the corners of the empty small box, and the lower ends of the left swing clamping block and the right swing clamping block both have blocking parts extending obliquely backward; the guide rail is provided on the front side of the bottom surface of the bottom plate and extends in the front-rear direction, the slider is slidably arranged on the guide rail, and the push plate is arranged on the slider; the rear end of the push plate is used to contact a cam on the moisturizing and packaging box equipment, and the front end of the push plate is used to contact the two blocking parts.
2. The fixed clamping device according to claim 1, wherein, It further includes a limit block, the limit block is provided on the rear side of the bottom surface of the bottom plate, and the limit block is used to block the rear end of the slider.
3. The fixed clamping device according to claim 2, wherein The limit block is detachably connected to the bottom surface of the bottom plate.
4. The fixed clamping device according to claim 1, characterized in that, A first mounting shaft is provided at one end of the blocking part close to the push plate, and a first bearing for contacting the push plate is provided on the first mounting shaft, and the axis of the first mounting shaft is parallel to the axis of the first rotating shaft.
5. The fixed clamping device according to claim 4, characterized in that, A second mounting shaft is provided at the front end of the push plate, and a second bearing for contacting the cam is provided on the second mounting shaft, and the second mounting shaft is parallel to the first mounting shaft.
6. The fixed clamping device according to claim 4, characterized in that, The push plate includes an isosceles trapezoidal plate and two pointed ends, and the two pointed ends are respectively arranged on the left and right sides of the front end of the isosceles trapezoidal plate, and the two pointed ends are respectively used to contact the two first bearings.
7. The fixed clamping device according to claim 6, wherein The two pointed ends and the isosceles trapezoidal plate are of an integral structure.
8. The fixed clamping device according to claim 6, wherein, Four mounting holes for connecting with the slider are provided on the push plate.