Mechanical cigarette box clamping device

Abstract

The present invention relates to a mechanical cigarette box clamping device, comprising a fixing device, a movable device, and a fixed ejection inclined block. The fixing device comprises a clamping mounting base, a first slide bar fixing block, and a second slide bar fixing block. The first slide bar fixing block and the second slide bar fixing block are mounted on the clamping mounting base. The movable device comprises a movable slider, a return compression spring, an outer movable block, a guide rod, a slide bar rolling bearing, a clamping ejection block, a clamping return spring, and a retaining spring. The clamping ejection block is fixed on the outer movable block. When the slide bar is ejected by the fixed ejection inclined block, the clamping ejection block cooperates with the rolling bearing to push the movable device outward. The beneficial effects are as follows: the fixing device plays a positioning and guiding role, the sliding and rolling of the movable device are well lubricated, the mechanism adopts the elastic force of elastic elements for the clamping and return actions of the cigarette box, the spring durability and cycle life can ensure a certain cycle, and the replacement and adjustment of the parts of the mechanism are convenient and quick.

Description

Technical Field

[0001] The invention relates to the field of tobacco industry packaging machinery, and in particular to a mechanical cigarette box clamping device. Background Art

[0002] Tobacco packaging machine equipment is a comprehensive equipment that packages shredded tobacco into cigarettes, cigarettes into small boxes, small boxes into cigarette rods, and cigarette rods into whole boxes. To achieve fully automated packaging is the pursuit of cigarette companies. Ordinary small boxes of cigarettes are all packaged into boxes in one go, but the packaging and molding process of individual categories of cigarettes requires special customized shapes and sizes of non-universal formed cigarette boxes. Such cigarette boxes are produced separately, and the process of putting the cigarettes into the box does not achieve one-time packaging. Currently, they are packed manually, and the process is to load the packaged cigarettes into the cigarette box manually as required. This type of small package of cigarettes has problems such as incorrect packaging quantity, incorrect category, and defects in the appearance of the cigarettes, resulting in a high defective rate, low work efficiency, high cost, and poor consistency, making it difficult to guarantee market demand.

[0003] Therefore, in order to realize the automatic packaging of cigarettes into formed cigarette boxes, a device that can clamp and loosen the formed cigarette boxes is needed to complete the entire packaging process, ultimately improve packaging efficiency and quality, and realize semi-automatic production operations. Summary of the invention

[0004] The object of the present invention is to overcome the deficiencies of the prior art and to provide a mechanical cigarette box clamping device which has a simple structure and can clamp and release a formed cigarette box.

[0005] The present invention provides a mechanical cigarette box clamping device, and its technical solution is as follows:

[0006] A mechanical cigarette box clamping device comprises a fixing device, a movable device and a fixed ejection inclined block (5), wherein the fixing device comprises a clamping mounting base (1), a first slide bar fixing block (7) and a second slide bar fixing block (13), wherein the first slide bar fixing block (7) and the second slide bar fixing block (13) are mounted on the clamping mounting base (1); the movable device comprises a movable slider (2), a return compression spring (3), an outer movable block (10), a guide rod (15), a slide bar rolling bearing (4), a slide bar (6), a rolling bearing (9), a clamping ejection block (11), a clamping return spring (12) and a retaining spring (14), wherein the guide rod (15) is passed through the clamping mounting base (1), one end of which is connected to the movable slider (2) and the other end of which is connected to the movable slider (2). The end is connected with the outer movable block (10), a return compression spring (3) is arranged between the clamping installation base (1) and the movable slide block (2), and the clamping installation base (1) and the movable slide block (2) form a cigarette box placement platform; the slide bar rolling bearing (4) and the rolling bearing (9) are fixedly arranged on the slide bar (6), the retaining spring (14) is clamped on the retaining spring groove of the slide bar (6), the clamping return spring (12) is inserted between the second slide bar fixed block (13) and the retaining spring (14), and the slide bar (6) can slide in the gap in the installation hole; the clamping ejection block (11) is fixed on the outer movable block (10), and when the slide bar (6) is ejected by the fixed ejection inclined block (5), the clamping ejection block (11) cooperates with the rolling bearing (9) to push the movable device outward.

[0007] Furthermore, the slide bar (6), the slide bar rolling bearing (4), the rolling bearing (9), the retaining spring (14), and the clamping return spring (12) are integrally installed in the inner holes of the first slide bar fixing block (7) and the second slide bar fixing block (13).

[0008] Furthermore, the movable slider (2), the return compression spring (3), the guide rod (15), and the outer movable block (10) are assembled in the form of threads in the mounting hole to form a rectangular structure, and can freely slide axially in the hole.

[0009] Furthermore, an oil-free bushing 8 is provided at the through-holes of the clamping mounting base (1) and the guide rod (15).

[0010] Furthermore, a slide bar limiting cushion block (16) is provided on the second slide bar fixing block (13).

[0011] Furthermore, the sliding rod rolling bearing (4) and the rolling bearing (9) are connected to the internal threaded hole of the sliding rod (6) by means of bolts.

[0012] Furthermore, the fixed ejection inclined block (5) is installed at a position where the cigarette box (17) needs to be opened, and the fixed ejection inclined block (5) has an inclined surface that cooperates with the sliding rod rolling bearing (4).

[0013] Furthermore, the clamping and ejecting block (11) has an inclined surface that cooperates with the rolling bearing (9).

[0014] Furthermore, the clamping mounting base (1) is fixed to the main motion mechanism by means of positioning pins and bolts.

[0015] Furthermore, the main motion mechanism is a circular track.

[0016] The implementation of the present invention includes the following technical effects:

[0017] The mechanical cigarette box clamping device of the present invention comprises a clamping device and a movable device. The fixing device plays a role in positioning and guiding. The sliding and rolling of the movable device are well lubricated. The mechanism adopts the elastic force of the elastic element for both the clamping and return actions of the cigarette box. The durability and cycle life of the spring can ensure a certain cycle. The replacement and adjustment of the parts of the mechanism are convenient and fast. It is a firm and reliable device. The fixed ejection bevel block is installed at the workstation where the cigarette box needs to be clamped and released, so that the clamping device can be opened and closed smoothly; the main motion mechanism can realize equal-periodic intermittent motion, and the mechanism can realize reference positioning to ensure that the motion deviation is within the allowable range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a mechanical cigarette box clamping device according to an embodiment of the present invention;

[0019] Figure 2 It is a schematic diagram of the overall structure of a mechanical cigarette box clamping device according to an embodiment of the present invention;

[0020] Figure 3 This is a schematic structural diagram of an open state of a mechanical cigarette box clamping device according to an embodiment of the present invention;

[0021] Figure 4 The figure is a schematic diagram of the clamping state structure of a mechanical cigarette box clamping device according to an embodiment of the present invention.

[0022] In the figure: 1-clamping mounting base, 2-movable slider, 3-return compression spring, 4-slide rod rolling bearing, 5-fixed ejection inclined block, 6-slide rod, 7-first slide rod fixed block, 8-oil-free bushing, 9-rolling bearing, 10-outer movable block, 11-clamping ejection block, 12-clamping return spring, 13-second slide rod fixed block, 14-circlip, 15-guide rod, 16-slide rod limit pad, 17-cigarette box. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below in conjunction with embodiments and drawings. It should be pointed out that the described embodiments are only intended to facilitate the understanding of the present invention and do not have any limiting effect on the present invention.

[0024] The mechanical cigarette box clamping device of this embodiment is used for secondary packaging of cigarettes in formed cigarette boxes, and can complete the clamping and loosening functions of incoming cigarette boxes of the production line. It solves the problems of low efficiency of manual packaging of small boxes of cigarettes in the prior art, and the cigarette box clamping device is installed on the work station, which can realize the process of clamping the cigarette box 17, putting cigarettes into the box, and loosening and releasing in the same cycle during the operation of the packaging equipment.

[0025] See also Figures 1 to 4 As shown, a mechanical cigarette box clamping device of this embodiment includes a fixing device, a movable device, and a fixed ejection inclined block 5. The fixing device includes a clamping mounting base 1, a first slide rod fixing block 7, and a second slide rod fixing block 13. The first slide rod fixing block 7 and the second slide rod fixing block 13 are installed on the clamping mounting base 1 by bolts; the movable device includes a movable slider 2, a return compression spring 3, an outer movable block 10, a guide rod 15, a slide rod rolling bearing 4, a slide rod 6, a rolling bearing 9, a clamping ejection block 11, a clamping return spring 12 and a retaining spring 14. The guide rod 15 is penetrated on the clamping mounting base 1, one end of which is connected to the movable slider 2, and the other end is connected to the movable slider 2. One end is connected to the outer movable block 10, and a return compression spring 3 is arranged between the clamping mounting base 1 and the movable slider 2. The clamping mounting base 1 and the movable slider 2 constitute a platform for placing the cigarette box 17; the slide rod rolling bearing 4 and the rolling bearing 9 are fixedly arranged on the slide rod 6, the retaining spring 14 is clamped on the retaining spring groove of the slide rod 6, and the clamping return spring 12 is inserted between the second slide rod fixed block 13 and the retaining spring 14, and the slide rod 6 can slide in the gap in the mounting hole; the clamping ejection block 11 is fixed on the outer movable block 10, and when the slide rod 6 is ejected by the fixed ejection oblique block 5, the clamping ejection block 11 cooperates with the rolling bearing 9 to push the movable device outward (the process of loosening the cigarette box).

[0026] See also Figure 1 As shown, the slide bar 6, the slide bar rolling bearing 4, the rolling bearing 9, the retaining spring 14, and the clamping return spring 12 are integrally installed in the inner holes of the first slide bar fixing block 7 and the second slide bar fixing block 13. The movable slider 2, the return compression spring 3, the guide rod 15, and the outer movable block 10 are assembled through the threaded form of the mounting hole to form a rectangular structure, and can slide freely axially in the hole. The through-holes of the clamping mounting base 1 and the guide rod 15 are provided with oil-free bushings 8, which are tightly embedded in the clamping mounting base 1 through mechanical cooperation, so as to facilitate the clamping and loosening operations of the guide rod 15. See Figure 2 As shown, a slide bar limiting pad 16 is provided on the second slide bar fixing block 13. Specifically, the slide bar rolling bearing 4 and the rolling bearing 9 are connected to the internal threaded hole of the slide bar 6 by bolts. The fixed ejection bevel block 5 is bolted to the position where the cigarette box 17 needs to be opened, and the fixed ejection bevel block 5 has an inclined surface that cooperates with the slide bar rolling bearing 4. The clamping ejection block 11 has an inclined surface that cooperates with the rolling bearing 9. The clamping mounting base 1 is fixed to the main motion mechanism, such as the annular track, by positioning pins and bolts.

[0027] In the mechanical cigarette box clamping device of the present invention, the compression or recovery of the return compression spring 3 can complete the action of clamping the cigarette box 17 or loosening the cigarette box 17; under normal circumstances, the return compression spring 3 is in a natural state and can clamp the cigarette box 17 to move. The fixed ejection bevel block 5 is installed at the position where the formed cigarette box 17 needs to be placed or the formed cigarette box 17 needs to be loosened. The cigarette box 17 clamping device moves with the main motion mechanism. When it moves to the position of the fixed ejection bevel block 5, the slide rod rolling bearing 4 contacts the inclined surface of the fixed ejection bevel block 5, and the slide rod 6 moves axially along the slide rod 6 under the push of the slide rod rolling bearing 4. At this time, the clamping return spring 12 is compressed, and the rolling bearing 9 under the action of the clamping ejection block 11, the entire movable device moves axially along the guide rod 15, and at the highest point of the fixed ejection bevel block 5, the gap between the movable slide block 2 and the cigarette box positioning edge of the clamping mounting base 1 increases, and the cigarette box 17 can be freely placed in and removed. The cigarette box clamping device continues to move, and after passing the fixed ejection inclined block 5, the movable device retracts to the original state under the action of the return compression spring 3 and the clamping return spring 12, clamping the special-shaped cigarette box 17 to complete the clamping function. Figure 3 This is a schematic structural diagram of the mechanical cigarette box clamping device of this embodiment in an open state;

[0028] Figure 4 Schematic diagram of the clamping state structure of the mechanical cigarette box clamping device of the embodiment.

[0029] The mechanical cigarette box clamping device of the present invention includes a fixing device and a movable device. The fixing device plays a role in positioning and guiding. The sliding and rolling of the movable device are well lubricated. The mechanism uses the elastic force of the elastic element for both clamping and returning the cigarette box 17. The durability and cycle life of the spring can ensure a certain cycle. The replacement and adjustment of the parts of the mechanism are convenient and fast. It is a firm and reliable device. The fixed ejection bevel block is installed at the station where the cigarette box 17 needs to be clamped and released, so that the clamping device can be smoothly opened and closed; the main motion mechanism can realize equal-periodic intermittent motion, and the mechanism can realize reference positioning to ensure that the motion deviation is within the allowable range.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A mechanical cigarette box clamping device, comprising a fixing device, a movable device, and a fixed ejection inclined block (5), characterized in that: The fixing device comprises a clamping mounting base (1), a first slide bar fixing block (7), and a second slide bar fixing block (13), wherein the first slide bar fixing block (7) and the second slide bar fixing block (13) are mounted on the clamping mounting base (1); the movable device comprises a movable slider (2), a return compression spring (3), an outer movable block (10), a guide rod (15), a slide bar rolling bearing (4), a slide bar (6), a rolling bearing (9), a clamping ejection block (11), a clamping return spring (12) and a retaining spring (14), wherein the guide rod (15) is passed through the clamping mounting base (1), one end of which is connected to the movable slider (2), and the other end of which is connected to the outer movable block (10). A return compression spring (3) is arranged between the clamping mounting base (1) and the movable slide block (2), and the clamping mounting base (1) and the movable slide block (2) form a cigarette box placement platform; the slide bar rolling bearing (4) and the rolling bearing (9) are fixedly arranged on the slide bar (6), the retaining spring (14) is clamped on the retaining spring groove of the slide bar (6), the clamping return spring (12) is inserted between the second slide bar fixed block (13) and the retaining spring (14), and the slide bar (6) can slide in the gap in the mounting hole; the clamping ejection block (11) is fixed on the outer movable block (10), and when the slide bar (6) is ejected by the fixed ejection inclined block (5), the clamping ejection block (11) cooperates with the rolling bearing (9) to push the movable device outward; The fixed ejection inclined block (5) is installed at a position where the cigarette box (17) needs to be opened, and the fixed ejection inclined block (5) has an inclined surface that matches the sliding rod rolling bearing (4); the clamping ejection block (11) has an inclined surface that matches the rolling bearing (9); the clamping mounting base (1) is fixed to the main motion mechanism by means of positioning pins and bolts; the main motion mechanism is a ring track.

2. A mechanical cigarette box clamping device according to claim 1, characterized in that: The slide rod (6), the slide rod rolling bearing (4), the rolling bearing (9), the retaining spring (14), and the clamping return spring (12) are integrally installed in the inner holes of the first slide rod fixing block (7) and the second slide rod fixing block (13).

3. A mechanical cigarette box clamping device according to claim 1, characterized in that: The movable slide block (2), the return compression spring (3), the guide rod (15), and the outer movable block (10) are assembled in the form of threads in the mounting hole to form a rectangular structure, and can freely slide axially in the hole.

4. A mechanical cigarette box clamping device according to claim 1, characterized in that: Oil-free bushings (8) are provided at the through holes of the clamping mounting base (1) and the guide rod (15).

5. A mechanical cigarette box clamping device according to claim 1, characterized in that: The second slide bar fixing block (13) is provided with a slide bar limiting cushion block (16).

6. A mechanical cigarette box clamping device according to claim 1, characterized in that: The sliding rod rolling bearing (4) and the rolling bearing (9) are connected to the internal threaded hole of the sliding rod (6) via bolts.

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