Filter stick launching pipeline switching device of comprehensive test board

Abstract

The utility model discloses a filter stick launching pipeline switching device of a comprehensive test board. The filter stick launching pipeline switching device comprises a double-acting air cylinder, a base and a sliding block. A sliding groove is formed in the base, a bottom plate is fixed to the bottom face of the sliding groove, and a filter stick inlet connected with a filter stick launching device is formed in the bottom plate. The double-acting air cylinder is arranged on one side of the sliding groove, a piston rod of the double-acting air cylinder is connected with the sliding block, the sliding block is connected into the sliding groove in a sliding mode, two threaded holes are formed in the sliding block in the direction of the sliding groove, and launching tubes are connected into the threaded holes through hollow bolts. The double-acting air cylinder can drive the sliding block to do reciprocating motion along the sliding groove so that the filter stick inlet can be communicated with any transmitting pipe. According to the utility model, the filter sticks emitted by the sampling device can be shunted to two different comprehensive test benches. When different launching tubes are switched, positioning is accurate, and the situation that a filter stick is scraped and broken in the filter stick launching process is avoided.

Description

Technical Field

[0001] The utility model relates to the field of cigarette filter rod testing, and more specifically to a filter rod launching pipeline switching device of a comprehensive testing platform. Background Art

[0002] The filter rod comprehensive test bench can conduct comprehensive tests on the weight, circumference, length, and draw resistance of filter rods. It is an important test equipment in the filter rod manufacturing process. The accuracy of its test results is directly related to the quality control of cigarette and filter rod processing. A filter rod forming machine is equipped with a comprehensive test bench. The filter rod passes through the sampling tube, the launch device, the launch pipeline, and the receiving device and enters the comprehensive test bench. The comprehensive test bench tests the weight, circumference, length, and draw resistance of the filter rod. However, the device can only realize one-to-one sampling function and cannot meet the one-to-many sampling needs.

[0003] Therefore, in order to achieve the comparison and calibration of the test results between the online integrated test bench and the superior integrated test bench, the filter rods produced by the same filter rod forming machine need to be sent to the online integrated test bench and the superior integrated test bench for measurement respectively. Utility Model Content

[0004] One purpose of the utility model is to provide a new technical solution for a filter rod launching pipeline switching device of a comprehensive test bench to solve the problems raised in the above-mentioned background technology.

[0005] According to a first aspect of the utility model, a filter rod launching pipeline switching device for a comprehensive test bench is provided, comprising a double-acting cylinder, a base and a slide block;

[0006] A slide groove is provided in the base, a bottom plate is fixed to the bottom surface of the slide groove, and a filter rod inlet connected to the filter rod launching device is provided on the bottom plate;

[0007] The double-acting cylinder is arranged on one side of the slide groove, and the piston rod of the double-acting cylinder is connected to the slider, the slider is slidably connected in the slide groove, and two threaded holes are provided on the slider along the direction of the slide groove, and a launching tube is connected to the threaded hole through a hollow bolt. The double-acting cylinder can drive the slider to reciprocate along the slide groove so that the filter rod inlet is connected to any launching tube.

[0008] Optionally, according to the filter rod launching pipeline switching device of the comprehensive test bench described in the utility model, a floating connector and a fixed block are provided between the double-acting cylinder and the slider, one end of the floating connector is connected to the piston rod through a threaded rod, and the other end is provided with a first truncated cone and a second truncated cone, and the first truncated cone is embedded in the connecting hole on the end surface of the slider;

[0009] The fixing block is provided with a U-shaped notch, the U-shaped notch is clamped between the first truncated cone and the second truncated cone, and is fixedly connected to the end surface of the sliding block to fix the first truncated cone in the connecting hole.

[0010] Optionally, according to the filter rod launching pipeline switching device of the comprehensive test bench described in the utility model, there is a clearance fit between the first truncated cone and the connecting hole, and between the U-shaped notch and the threaded rod.

[0011] Optionally, according to the comprehensive test bench filter rod launching pipe switching device described in the utility model, L-shaped first guide rails and second guide rails are symmetrically provided on both sides of the slide slot, the angle between the first guide rail and the second guide rail fits with the two sides of the slide slot, and protrusions are provided on both side edges of the slider, and the protrusions are located on the lower side of the first guide rail and the second guide rail.

[0012] Optionally, according to the comprehensive test bench filter rod launching pipeline switching device described in the utility model, the two ends of the slide slot are also respectively provided with a first stopper and a second stopper, the double-acting cylinder is fixed on the first stopper, and the first stopper is provided with a through hole for the piston rod to pass through.

[0013] Optionally, according to the filter rod launching pipe switching device of the comprehensive test bench described in the utility model, a first positioning block is provided on the inner side of the first stopper facing the slide slot, and when the slider contacts the first positioning block, the filter rod inlet is connected to the launching pipe away from the first positioning block;

[0014] A second positioning block is provided on the inner side of the second stopper facing the slide groove. When the sliding block contacts the second positioning block, the filter rod inlet is communicated with the launching tube away from the second positioning block.

[0015] Optionally, according to the comprehensive test bench filter rod launching pipe switching device described in the utility model, a dust cover is also provided on the top of the sliding block, and a waist-shaped hole for the launching pipe to pass through is provided on the dust cover.

[0016] Optionally, according to the filter rod launching pipeline switching device of the comprehensive test bench described in the utility model, both sides of the dust cover are bent downward to wrap the outer surfaces of both sides of the slide groove.

[0017] Optionally, according to the filter rod launching pipeline switching device of the comprehensive test bench described in the utility model, the top surface of the sliding block is higher than the top surfaces of the first guide rail and the second guide rail.

[0018] Optionally, according to the comprehensive test bench filter rod launching pipe switching device described in the utility model, a conical hole is opened between the threaded hole of the slider and the filter rod inlet, the conical hole and the threaded hole are designed to be concentric circles, and the maximum diameter of the conical hole is larger than the diameter of the filter rod inlet, and the minimum diameter is smaller than the diameter of the launching tube.

[0019] The beneficial effects brought by the technical solution of the utility model are:

[0020] 1. The utility model can realize the diversion of the filter rods emitted by the sampling device to two different comprehensive test benches.

[0021] 2. The utility model has a compact structure and accurate positioning when switching different launching tubes, and the filter rod will not be scratched during the filter rod launching process.

[0022] 3. The positioning block and the double-acting cylinder work together to accurately position the launch channel on the slider and the filter rod entrance to avoid the filter rod being blocked in the slider channel.

[0023] 4. Install a dust cover on the device to reduce the entry of dust into the device.

[0024] 5. The cylinder and the slide are connected by a floating head to eliminate the installation error between the cylinder piston rod and the slide.

[0025] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0027] Figure 1 It is a structural schematic diagram of the filter rod launching pipeline switching device of the comprehensive test bench disclosed in the utility model;

[0028] Figure 2 It is a cross-sectional view of the filter rod launching pipeline switching device of the comprehensive test bench disclosed in the utility model;

[0029] Figure 3 for Figure 2 Cross-section of the middle AA;

[0030] Figure 4 It is a schematic diagram of the connection between the slider and the double-acting cylinder disclosed in the utility model;

[0031] Figure 5 The utility model is a schematic diagram of the use of the filter rod launching pipeline switching device of the comprehensive test bench disclosed in the utility model.

[0032] Description of reference numerals:

[0033] 1. First hollow bolt; 2. Second hollow bolt; 3. First launch tube; 4. Second launch tube; 5. First screw; 6. Dust cover; 7. Floating connector; 8. Second screw; 9. First positioning block; 10. Third screw; 11. First guide rail; 12. Double-acting cylinder; 13. Fourth screw; 14. First air pipe joint; 15. Second air pipe joint; 16. First stopper; 17. Piston rod; 18. Fixed block; 19. Fifth screw; 20. Base; 22. Sixth screw; 23. Second guide rail; 24. Seventh screw; 25. Second stopper; 26. Second positioning block; 27. Eighth screw; 28. Ninth screw; 29. ​​Bottom plate; 291. Filter rod inlet; 30. Slider; 301. Conical hole; 302. Connecting hole; 701. First truncated cone; 702. Slot; 703. Second truncated cone; 704. Threaded rod; 181. U-shaped notch;

[0034] 401, first integrated test bench; 402, first filter rod launching pipeline switching device; 403, first filter rod launching device; 404, second integrated test bench; 405, third integrated test bench; 406, second filter rod launching pipeline switching device; 407, second filter rod launching device. DETAILED DESCRIPTION

[0035] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0036] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0037] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0038] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0039] according to Figures 1 to 5 As shown, the utility model provides a filter rod launching pipeline switching device for a comprehensive test bench, comprising a double-acting cylinder 12, a base 20 and a slider 30;

[0040] A slide groove is provided in the base 20, and a bottom plate 29 is fixed to the bottom surface of the slide groove by a ninth screw 28. A filter rod inlet 291 connected to the filter rod launching device is provided on the bottom plate 29;

[0041] The double-acting cylinder 12 is arranged on one side of the slideway, and the piston rod 17 of the double-acting cylinder 12 is connected to the slider 30. The double-acting cylinder 12 is provided with a first air pipe joint 14 and a second air pipe joint 15, respectively, for adjusting the transmission of the high-pressure gas in the double-acting cylinder 12, so as to control the double-acting cylinder 12 to drive the piston rod 17 to extend and retract.

[0042] The slider 30 is slidably connected in the slide groove, and two threaded holes are provided on the slider 30 along the direction of the slide groove. The first launch tube 3 and the second launch tube 4 are respectively connected through the first hollow bolt 1 and the second hollow bolt 2 in the threaded holes. The double-acting cylinder 12 can drive the slider 30 to reciprocate along the slide groove so that the filter rod inlet 291 is connected to the first launch tube 3 or the second launch tube 4.

[0043] Furthermore, a floating connector 7 and a fixed block 18 are provided between the double-acting cylinder 12 and the slider 30. One end of the floating connector 7 is connected to the piston rod 17 through a threaded rod 704, and the other end is provided with a first round table 701 and a second round table 703. The first round table 701 is embedded in the connecting hole 302 on the end surface of the slider 30.

[0044] The fixing block 18 is provided with a U-shaped notch 181 , which is engaged in the slot 702 between the first truncated platform 701 and the second truncated platform 703 , and is fixedly connected to the end surface of the slider 30 by a plurality of fifth screws 19 to fix the first truncated platform 701 in the connecting hole 302 .

[0045] Furthermore, there is clearance fit between the first truncated cone 701 and the connecting hole 302 , and between the U-shaped notch 181 and the first truncated cone 701 and the slot 702 of the second truncated cone 703 , so as to compensate for the precision error between the piston rod 17 and the floating connector 7 .

[0046] Furthermore, L-shaped first guide rails 11 and second guide rails 23 are symmetrically arranged on both sides of the chute, the horizontal plane of the first guide rail 11 is fixedly connected to the top surface of one side of the chute by a third screw 10, and the second guide rail 23 is fixedly connected to the top surface of the other side of the chute by a sixth screw 22, the angle between the first guide rail 11 and the second guide rail 23 fits the two sides of the chute, and the two sides of the slider 30 are provided with protrusions, which are located at the lower sides of the first guide rail 11 and the second guide rail 23. During implementation, the protrusions of the slider 30 are restricted by the first guide rail 11 and the second guide rail 23 to ensure that the slider 30 reciprocates along the chute under the action of the double-acting cylinder 12, thereby avoiding the misalignment between the first launch tube 3 and the second launch tube 4 and the filter rod inlet 291.

[0047] Furthermore, a first stopper 16 and a second stopper 25 are respectively provided at both ends of the slide. The first stopper 16 is fixedly connected to the end face of the slide by a plurality of fourth screws 13, and the second stopper 25 is fixedly connected to the other end face of the slide by a plurality of seventh screws 24. The double-acting cylinder 12 is fixed on the first stopper 16, and a through hole is provided on the first stopper 16 for the piston rod 17 to pass through.

[0048] The first stopper 16 is provided with a first positioning block 9 on the inner side facing the chute through a second screw 8. When the slider 30 contacts the first positioning block 9, the filter rod inlet 291 is communicated with the launch tube away from the first positioning block 9. The second stopper 25 is provided with a second positioning block 26 on the inner side facing the chute through an eighth screw 27. When the slider 30 contacts the second positioning block 26, the filter rod inlet 291 is communicated with the launch tube away from the second positioning block 26.

[0049] In this embodiment, when the piston rod 17 is retracted, the slider 30 moves to contact the first positioning block 9, the first launching tube 3 is communicated with the filter rod inlet 291, and the filter rod can be launched to the corresponding test bench through the first launching tube 3; when the piston rod 17 is extended, the slider 30 moves to contact the second positioning block 26, the second launching tube 4 is communicated with the filter rod inlet 291, and the filter rod can be launched to the corresponding test bench through the second launching tube 4.

[0050] Furthermore, a dust cover 6 is provided on the top of the slider 30, and the dust cover 6 is mounted on the slider 30 by a plurality of first screws 5. The dust cover 6 is provided with a waist-shaped hole for the launch tube to pass through. Both sides of the dust cover 6 are bent downward to wrap the outer surfaces of both sides of the slideway to prevent dust, tobacco and other debris from entering the slider 30, thereby affecting the movement of the slider 30.

[0051] Optionally, according to the filter rod launching pipeline switching device of the comprehensive test bench of the utility model, the top surface of the slider 30 is higher than the top surfaces of the first guide rail 11 and the second guide rail 23 to avoid wear of the first guide rail 11 and the second guide rail 23.

[0052] Furthermore, a conical hole 301 is provided between the threaded hole of the slider 30 and the filter rod inlet 291. The conical hole 301 is designed to be concentric with the threaded hole, and the maximum diameter of the conical hole 301 is larger than the diameter of the filter rod inlet 291, and the minimum diameter is smaller than the diameter of the launch tube, which can prevent the filter rod from being scratched during the launch process.

[0053] For example Figure 5As shown, the utility model is provided with a first filter rod launching pipeline switching device 402 and a second filter rod launching pipeline switching device 406, which are respectively located between the first integrated test bench 401, the second integrated test bench 404 and the third integrated test bench 405, and correspondingly, a first filter rod launching device 403 and a second filter rod launching device 407 are also provided, which are respectively connected with the first filter rod launching pipeline switching device 402 and the second filter rod launching pipeline switching device 406, and the first filter rod launching pipeline switching device 402 and the second filter rod launching pipeline switching device 406 are respectively connected with the first integrated test bench 401, the second integrated test bench 404 and the third integrated test bench 405 through a plurality of launching tubes, when the piston rod 17 drives the slider 30 to move left and right, the switching of the launching pipeline is realized, and the filter rod can be launched by the forming machine to different integrated test benches.

[0054] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A filter rod launching pipeline switching device for a comprehensive test bench, characterized in that: It includes a double-acting cylinder, a base and a slide; A slide groove is provided in the base, a bottom plate is fixed to the bottom surface of the slide groove, and a filter rod inlet connected to the filter rod launching device is provided on the bottom plate; The double-acting cylinder is arranged on one side of the slide groove, and the piston rod of the double-acting cylinder is connected to the slider, the slider is slidably connected in the slide groove, and two threaded holes are provided on the slider along the direction of the slide groove, and a launching tube is connected to the threaded hole through a hollow bolt. The double-acting cylinder can drive the slider to reciprocate along the slide groove so that the filter rod inlet is connected to any launching tube.

2. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 1 is characterized in that: A floating connector and a fixed block are provided between the double-acting cylinder and the slider, one end of the floating connector is connected to the piston rod through a threaded rod, and the other end is provided with a first truncated cone and a second truncated cone, the first truncated cone being embedded in a connecting hole on the end surface of the slider; The fixing block is provided with a U-shaped notch, the U-shaped notch is clamped between the first truncated cone and the second truncated cone, and is fixedly connected to the end surface of the sliding block to fix the first truncated cone in the connecting hole.

3. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 2 is characterized in that: There is a clearance fit between the first truncated cone and the connecting hole, and between the U-shaped notch and the threaded rod.

4. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 2 is characterized in that: An L-shaped first guide rail and a second guide rail are symmetrically arranged on both sides of the slide groove, and the angle between the first guide rail and the second guide rail fits the two sides of the slide groove. Bumps are arranged on both sides of the slider, and the bumps are located at the lower side of the first guide rail and the second guide rail.

5. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 4 is characterized in that: A first stopper and a second stopper are respectively provided at both ends of the slide slot, the double-acting cylinder is fixed on the first stopper, and a through hole for the piston rod to pass through is provided on the first stopper.

6. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 5 is characterized in that: A first positioning block is provided on the inner side of the first stopper facing the slide groove, and when the slide block contacts the first positioning block, the filter rod inlet is connected to the launch tube away from the first positioning block; A second positioning block is provided on the inner side of the second stopper facing the slide groove. When the sliding block contacts the second positioning block, the filter rod inlet is communicated with the launching tube away from the second positioning block.

7. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 6 is characterized in that: A dust cover is also provided on the top of the sliding block, and a waist-shaped hole is provided on the dust cover for the transmitting tube to pass through.

8. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 7 is characterized in that: The two sides of the dust cover are bent downward to wrap the outer surfaces of the two sides of the slide groove.

9. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 8 is characterized in that: The top surface of the sliding block is higher than the top surfaces of the first guide rail and the second guide rail.

10. The filter rod launching pipeline switching device of the comprehensive test bench according to claim 1 is characterized in that: A conical hole is provided between the threaded hole of the slider and the filter rod inlet. The conical hole and the threaded hole are designed to be concentric circles, and the maximum diameter of the conical hole is larger than the diameter of the filter rod inlet, and the minimum diameter is smaller than the diameter of the launch tube.

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