Billiard log rod body pusher with high stability

Abstract

The invention discloses a high-stability rod body pusher for a billiard log rod body, the rod body pusher is used for pushing the billiard log rod body, the rod body pusher comprises a supporting base, a driving device, a rod body placing device, a detecting device, a negative pressure stabilizing device and a rod body moving-out device, the supporting base is connected with the driving device, and the rod body moving-out device is connected with the driving device. The driving device is connected with the rod body placing device, the detection device is connected with the rod body placing device, the negative pressure stabilizing device is connected with the rod body placing device, the billiard log rod body is connected with the rod body placing device, the negative pressure stabilizing device is electrically connected with the detection device, the billiard log rod body abuts against the detection device, and the negative pressure stabilizing device is connected with the rod body moving-out device. The negative pressure end of the negative pressure stabilizing device makes contact with the billiard log rod body, the rod body moving-out device is connected with the driving device, the rod body moving-out device is connected with the rod body placing device, and the rod body moving-out device abuts against the billiard log rod body.

Description

Technical Field

[0001] The invention relates to the technical field of rod body pushers, in particular to a rod body pusher for a billiard log rod with relatively high stability. Background Art

[0002] The billiard cue is a tool for hitting the ball in the sport of billiards. If the cue is too long, it will be difficult to exert force; if the cue is too short, it will be difficult to control the direction of the ball. Therefore, it is particularly important to choose a billiard cue that suits you during a competitive game.

[0003] Billiard cues are made of logs as raw materials during the production process. However, the transportation of logs mainly relies on conveyor belts. In the process of transporting logs, conveyor belts are easily affected by the force of the conveyor belt, which causes the logs to shake during transportation, making the neatly arranged billiard logs become scattered. When they are transported to the designated location, they need to be rearranged manually, increasing the workload of workers. When the force of the conveyor belt is large, the logs are easy to slip off the conveyor belt. The logs that slip off the conveyor belt need to be picked up and put back on the conveyor belt for transportation. The slipped logs may be picked up many times during the transportation process, increasing the burden and workload of workers. Summary of the invention

[0004] The object of the present invention is to provide a billiard log cue body pusher with high stability to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A billiard log rod pusher with high stability, the rod pusher is used to push the billiard log rod, the rod pusher comprises a supporting base, a driving device, a rod placing device, a detecting device, a negative pressure stabilizing device, and a rod removing device, the supporting base is tightly connected to the driving device, the driving device is tightly connected to the rod placing device, the detecting device is tightly connected to the rod placing device, the negative pressure stabilizing device is tightly connected to the rod placing device, the billiard log rod is slidably connected to the rod placing device, the negative pressure stabilizing device is electrically connected to the detecting device, the billiard log rod abuts against the detecting device, the negative pressure stabilizing device is tightly connected to the rod removing device, the negative pressure end of the negative pressure stabilizing device contacts the billiard log rod, the rod removing device is tightly connected to the driving device, the rod removing device is tightly connected to the rod placing device, and the rod removing device abuts against the billiard log rod.

[0007] The supporting base serves as an integral supporting device for supporting the entire device; the driving device serves as a power source for providing power for the movement of the rod placing device, so that the driving device can push the rod placing device to move on a horizontal plane; the rod placing device is used to place the billiard log rod that needs to be pushed; and at the same time, the rod placing device also provides installation conditions for the detection device and the negative pressure stabilization device; the detection device is used to detect the magnitude of the shaking force generated by the billiard log rod during the pushing process; the negative pressure stabilization device is used to stabilize the billiard log rod; the greater the shaking force generated by the billiard log rod during the pushing process, the greater the electrical signal fed back to the negative pressure stabilization device by the detection device, and the greater the electrical signal, the greater the adsorption force generated by the negative pressure stabilization device.

[0008] Furthermore, the driving device includes a slide rail, a slider, a driving cylinder, a connecting block, a baffle, and a driving base. The slide rail is firmly connected to the supporting base, the slide rail is slidably connected to the slider, the supporting base is firmly connected to the baffle, the slide rail is firmly connected to the baffle, the driving cylinder is firmly connected to the supporting base, the output end of the driving cylinder is firmly connected to the connecting block, the connecting block is firmly connected to the driving base, the slider is firmly connected to the driving base, and the driving base and the rod placing device are firmly connected.

[0009] The slide rail is used as a support to support the driving base. The driving cylinder is used as a power source to drive the connecting block to move when outputting displacement outward. The movement of the connecting block drives the driving base to move. The movement of the driving base drives the slider to move. The baffle is used to prevent the slider from falling off.

[0010] Furthermore, the rod body placement device is provided with a detection installation cavity, a negative pressure installation cavity, and a rod body installation groove. The detection installation cavity is provided with a detection device, the negative pressure installation cavity is provided with a negative pressure stabilization device, and the rod body installation groove is provided with a billiard log rod body.

[0011] The detection installation cavity is used as an installation base for installing the detection device, and the negative pressure installation cavity is used as an installation base for installing the negative pressure stabilization device.

[0012] Furthermore, the detection device includes a detection plate, a connecting rod, an iron core, a spring, and a detection body. The detection plate is abutted against the billiard log rod body, the detection plate is tightly connected to the connecting rod, the connecting rod is tightly connected to the iron core, the spring is tightly connected to the iron core, the iron core is made of magnetic material, the spring is tightly connected to the detection body, the detection body is tightly connected to the detection mounting cavity, a mounting groove is provided on the detection body, the iron core and the spring are placed in the mounting groove, the iron core is slidably connected to the mounting groove, and an induction coil is provided outside the mounting groove.

[0013] The detection body serves as the installation basis for installing other components. The detection board serves as the induction component for transmitting the shaking force of the billiard log rod. The greater the shaking force, the greater the shaking force transmitted to the spring by the detection board through the connecting rod and the iron core. At the same time, the greater the deformation of the spring, the deformation generated by the spring drives the iron core to move. The movement of the iron core causes the magnetic flux inside the induction coil to change, generating an induced current. The greater the change in magnetic flux, the greater the induced current, which is then fed back to the negative pressure stabilization device. The greater the feedback induced current, the greater the adsorption force generated by the negative pressure stabilization device, thereby achieving the stability of the billiard log rod during the pushing process.

[0014] Furthermore, the negative pressure stabilization device includes a negative pressure suction cup, a negative pressure tube, and a negative pressure pump. The negative pressure suction cup is in contact with the billiard log shaft, the negative pressure suction cup is connected to the negative pressure tube pipeline, the air inlet end of the negative pressure pump is connected to the negative pressure tube pipeline, and the negative pressure tube is placed in the negative pressure installation cavity.

[0015] The negative pressure suction cup is adsorbed on the billiard log shaft, and the air in the negative pressure tube is extracted by a negative pressure pump to reduce the air pressure in the negative pressure tube. The pipe opening connecting the negative pressure tube and the negative pressure suction cup generates suction on the billiard log shaft, and the billiard log shaft is adsorbed by the negative pressure suction cup.

[0016] Furthermore, the rod body removing device comprises a removing block and a removing cylinder, the removing block is tightly connected to the driving base, and the removing block is tightly connected to the rod body placing device.

[0017] When the billiard log rod body is pushed to the specified position, the billiard log rod body no longer shakes, the billiard log rod body is not subjected to adsorption force, and the cylinder is moved outward to output displacement, driving the billiard log rod body to move, so that part of the billiard log rod body is moved out of the rod placement device, making it convenient for workers to take it out for the next step of processing.

[0018] Furthermore, the rod body installation groove includes a trapezoidal groove and a circular groove, the trapezoidal groove is inverted and connected to the circular groove, the circular groove is connected to the detection installation cavity and the negative pressure installation cavity, and the billiard log rod body is placed in the circular groove.

[0019] The trapezoidal groove is used to install the billiard log shaft into the circular groove. When the billiard log shaft needs to be installed, it does not need to be aligned with the circular groove, and can be directly placed on the trapezoidal groove, and then the billiard log shaft will fall into the circular groove due to gravity.

[0020] Furthermore, the removal block is provided with a pump body installation cavity and a cylinder installation cavity, a negative pressure pump is provided in the pump body installation cavity, and a removal cylinder is provided in the cylinder installation cavity.

[0021] The pump body installation cavity provides an installation position for the negative pressure pump, and the cylinder installation cavity provides an installation position for the removed cylinder.

[0022] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention drives the driving base to move by driving the cylinder, and the movement of the driving base drives the rod body placing device to move, thereby realizing the pushing of the billiard log rod body. In the process of pushing the billiard log rod body, the shaking force generated by the shaking of the billiard log rod body is transmitted through the detection plate. The greater the shaking force, the greater the deformation amount generated by the spring. The greater the deformation amount, the greater the displacement of the iron core. The greater the displacement of the iron core, the greater the change in the magnetic flux in the induction coil. The greater the change in the magnetic flux, the greater the induced current generated. The greater the induced current generated, the greater the electrical signal transmitted to the negative pressure pump, the greater the intensity of the air pumped by the negative pressure pump, and the greater the adsorption force of the negative pressure tube mouth on the billiard log rod body, thereby realizing the stability of the billiard log rod pushing process under different shaking conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the driving device of the present invention;

[0026] Figure 3 It is a schematic structural diagram of the rod placement device of the present invention;

[0027] Figure 4 yes Figure 3 Enlarged view of the B-direction section of the view;

[0028] Figure 5 It is a schematic structural diagram of the rod body removal device of the present invention;

[0029] Figure 6 yes Figure 5 A-direction section view;

[0030] Figure 7 yes Figure 6 A partial C magnified view of the view;

[0031] In the figure: 1-support base, 2-driving device, 21-slide rail, 22-slider, 23-driving cylinder, 24-connecting block, 25-baffle, 26-driving base, 3-rod body placement device, 31-detection installation cavity, 32-negative pressure installation cavity, 33-rod body installation groove, 331-trapezoidal groove, 332-circular groove, 4-detection device, 41-detection plate, 42-connecting rod, 43-iron core, 44-spring, 45-detection body, 46-induction coil, 5-negative pressure stabilizing device, 51-negative pressure suction cup, 52-negative pressure tube, 53-negative pressure pump, 6-rod body removal device, 61-removal block, 611-pump body installation cavity, 612-cylinder installation cavity, 62-removal cylinder, 7-billiard log rod body. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention provides a technical solution:

[0034] like Figure 1-2 As shown, a billiard log rod pusher with high stability is used to push the billiard log rod 7. The rod pusher includes a support base 1, a driving device 2, a rod placement device 3, a detection device 4, a negative pressure stabilizing device 5, and a rod removal device 6. The support base 1 is tightly connected to the driving device 2, the driving device 2 is tightly connected to the rod placement device 3, the detection device 4 is tightly connected to the rod placement device 3, and the negative pressure stabilizing device 5 is tightly connected to the rod placement device 6. 3 is tightly connected, the billiard log rod body 7 is slidably connected to the rod body placement device 3, the negative pressure stabilizing device 5 is electrically connected to the detection device 4, the billiard log rod body 7 abuts against the detection device 4, the negative pressure stabilizing device 5 is tightly connected to the rod body removal device 6, the negative pressure end of the negative pressure stabilizing device 5 is in contact with the billiard log rod body 7, the rod body removal device 6 is tightly connected to the driving device 2, the rod body removal device 6 is tightly connected to the rod body placement device 3, and the rod body removal device 6 and the billiard log rod body 7 abut.

[0035] The support base 1 serves as an integral supporting device for supporting the entire device. The driving device 2 serves as a power source to provide power for the movement of the rod body placing device 3, so that the driving device 2 can push the rod body placing device 3 to move on a horizontal plane. The rod body placing device 3 is used to place the billiard log rod body 7 that needs to be pushed. At the same time, the rod body placing device 3 also provides installation conditions for the detection device 4 and the negative pressure stabilization device 5. The detection device 4 is used to detect the size of the shaking force generated by the billiard log rod body 7 during the pushing process. The negative pressure stabilization device 5 is used to stabilize the billiard log rod body 7. The greater the shaking force generated during the pushing process of the billiard log rod body 7, the greater the electrical signal fed back to the negative pressure stabilization device 5 by the detection device 4, and the greater the electrical signal, the greater the adsorption force generated by the negative pressure stabilization device 5.

[0036] like Figure 1-2 As shown, the driving device 2 includes a slide rail 21, a slider 22, a driving cylinder 23, a connecting block 24, a baffle 25, and a driving base 26. The slide rail 21 is firmly connected to the supporting base 1, the slide rail 21 is slidably connected to the slider 22, the supporting base 1 is firmly connected to the baffle 25, the slide rail 21 is firmly connected to the baffle 25, the driving cylinder 23 is firmly connected to the supporting base 1, the output end of the driving cylinder 23 is firmly connected to the connecting block 24, the connecting block 24 is firmly connected to the driving base 26, the slider 22 is firmly connected to the driving base 26, and the driving base 26 and the rod placing device 3 are firmly connected.

[0037] The slide rail 21 is used as a support to support the driving base 26. The driving cylinder 23 is used as a power source to drive the connecting block 24 to move when outputting displacement outward. The movement of the connecting block 24 drives the driving base 26 to move. The movement of the driving base 26 drives the slider 22 to move. The baffle 25 is used to prevent the slider 22 from falling off.

[0038] like Figure 4 , Figure 6 , Figure 7 As shown, the rod body placement device 3 is provided with a detection installation cavity 31, a negative pressure installation cavity 32, and a rod body installation groove 33. The detection installation cavity 31 is provided with a detection device 4, the negative pressure installation cavity 32 is provided with a negative pressure stabilizing device 5, and the rod body installation groove 33 is provided with a billiard log rod body 7.

[0039] The detection installation cavity 31 is used as an installation base for installing the detection device 4 , and the negative pressure installation cavity 32 is used as an installation base for installing the negative pressure stabilization device 5 .

[0040] like Figure 2 , Figure 4As shown, the detection device 4 includes a detection plate 41, a connecting rod 42, an iron core 43, a spring 44, and a detection body 45. The detection plate 41 is in contact with the billiard log rod body 7. The detection plate 41 is tightly connected to the connecting rod 42, the connecting rod 42 is tightly connected to the iron core 43, the spring 44 is tightly connected to the iron core 43, the iron core 43 is made of magnetic material, the spring 44 is tightly connected to the detection body 45, the detection body 45 is tightly connected to the detection mounting cavity 31, a mounting groove is provided on the detection body 45, the iron core 43 and the spring 44 are placed in the mounting groove, the iron core 43 is slidably connected to the mounting groove, and an induction coil 46 is provided outside the mounting groove.

[0041] The detection body 45 is used as an installation base for installing other components. The detection plate 41 is used as an induction component to transmit the shaking force of the billiard log rod body 7. The greater the shaking force, the greater the shaking force transmitted by the detection plate 41 to the spring 44 through the connecting rod 42 and the iron core 43. At the same time, the larger the deformation of the spring 44, the deformation generated by the spring 44 drives the iron core 43 to move. The movement of the iron core 43 causes the magnetic flux inside the induction coil 46 to change, thereby generating an induced current. The greater the change in the magnetic flux, the greater the induced current, which is then fed back to the negative pressure stabilization device 5. The greater the fed-back induced current, the greater the adsorption force generated by the negative pressure stabilization device 5, thereby achieving the stability of the billiard log rod body 7 during the pushing process.

[0042] like Figure 5 , Figure 7 As shown, the negative pressure stabilization device 5 includes a negative pressure suction cup 51, a negative pressure tube 52, and a negative pressure pump 53. The negative pressure suction cup 51 is in contact with the billiard log rod body 7. The negative pressure suction cup 51 is connected to the negative pressure tube 52. The air inlet end of the negative pressure pump 53 is connected to the negative pressure tube 52. The negative pressure tube 52 is placed in the negative pressure installation cavity 32.

[0043] The negative pressure suction cup 51 is adsorbed onto the billiard log shaft 7, and the air in the negative pressure tube 52 is extracted by the negative pressure pump 53, so that the air pressure in the negative pressure tube 52 becomes lower. The pipe opening where the negative pressure tube 52 is connected to the negative pressure suction cup 51 generates suction force on the billiard log shaft 7, and the billiard log shaft 7 is adsorbed by the negative pressure suction cup 51.

[0044] like Figure 6-7 As shown, the rod body removing device 6 includes a removing block 61 and a removing cylinder 62 . The removing block 61 is firmly connected to the driving base 26 , and the removing block 61 is firmly connected to the rod body placing device 3 .

[0045] When the billiard log rod body 7 is stably pushed to the specified position, the billiard log rod body 7 no longer shakes, and the billiard log rod body 7 is not subjected to adsorption force. The removal cylinder 62 outputs displacement outward, driving the billiard log rod body 7 to move, so that part of the billiard log rod body 7 moves out of the rod body placement device 3, which is convenient for workers to take out and carry out the next step of processing.

[0046] like Figure 3-4 As shown, the rod body installation groove 33 includes a trapezoidal groove 331 and a circular groove 332 . The trapezoidal groove 331 is inverted and connected to the circular groove 332 . The circular groove 332 is connected to the detection installation cavity 31 and the negative pressure installation cavity 32 . The billiard log rod body 7 is placed in the circular groove 332 .

[0047] The trapezoidal groove 331 is used to install the billiard log rod body 7 into the circular groove 332. When the billiard log rod body 7 needs to be installed, it does not need to be aligned with the circular groove 332. It can be placed directly on the trapezoidal groove 331, and then the billiard log rod body 7 will fall into the circular groove 332 under the action of gravity.

[0048] like Figure 6-7 As shown, the removal block 61 is provided with a pump body installation cavity 611 and a cylinder installation cavity 612 , the pump body installation cavity 611 is provided with a negative pressure pump 53 , and the cylinder installation cavity 612 is provided with a removal cylinder 62 .

[0049] The pump body installation cavity 611 provides an installation position for the negative pressure pump 53 , and the cylinder installation cavity 612 provides an installation position for the removal cylinder 62 .

[0050] Working principle of the present invention:

[0051] The driving cylinder 23 drives the driving base 26 to move, and the movement of the driving base 26 drives the rod body placement device 3 to move, thereby realizing the pushing of the billiard log rod body 7. In the process of pushing the billiard log rod body 7, the shaking force generated by the shaking of the billiard log rod body 7 is transmitted through the detection plate 41. The greater the shaking force, the greater the deformation generated by the spring 44. The greater the deformation, the greater the displacement of the iron core 43. The greater the displacement of the iron core 43, the greater the change in the magnetic flux in the induction coil 46, the greater the change in the magnetic flux, the greater the induced current generated, the greater the induced current generated, the greater the electrical signal transmitted to the negative pressure pump 53, the greater the intensity of the air pumped by the negative pressure pump 53, and the greater the adsorption force of the negative pressure tube 52 on the billiard log rod body 7, thereby realizing the stability of the pushing process of the billiard log rod body 7 under different shaking conditions.

[0052] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0053] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A billiard log rod body pusher with high stability, the rod body pusher is used to push the billiard log rod body (7), characterized in that: The rod pusher comprises a support base (1), a driving device (2), a rod placement device (3), a detection device (4), a negative pressure stabilizing device (5), and a rod removal device (6); the support base (1) is tightly connected to the driving device (2); the driving device (2) is tightly connected to the rod placement device (3); the detection device (4) is tightly connected to the rod placement device (3); the negative pressure stabilizing device (5) is tightly connected to the rod placement device (3); the billiard log rod (7) is tightly connected to the rod placement device (3); ) are slidably connected, the negative pressure stabilizing device (5) is electrically connected to the detection device (4), the billiard log rod body (7) is in contact with the detection device (4), the negative pressure stabilizing device (5) is tightly connected to the rod body removal device (6), the negative pressure end of the negative pressure stabilizing device (5) is in contact with the billiard log rod body (7), the rod body removal device (6) is tightly connected to the driving device (2), the rod body removal device (6) is tightly connected to the rod body placement device (3), and the rod body removal device (6) and the billiard log rod body (7) are in contact.

2. The billiard log rod body pusher with high stability according to claim 1, characterized in that: The driving device (2) comprises a slide rail (21), a slider (22), a driving cylinder (23), a connecting block (24), a baffle (25), and a driving base (26); the slide rail (21) is firmly connected to the supporting base (1); the slide rail (21) is slidably connected to the slider (22); the supporting base (1) is firmly connected to the baffle (25); the slide rail (21) is firmly connected to the baffle (25); the driving cylinder (23) is firmly connected to the supporting base (1); the output end of the driving cylinder (23) is firmly connected to the connecting block (24); the connecting block (24) is firmly connected to the driving base (26); the slider (22) is firmly connected to the driving base (26); and the driving base (26) is firmly connected to the rod body placement device (3).

3. The billiard log rod body pusher with high stability according to claim 1, characterized in that: The rod body placement device (3) is provided with a detection installation cavity (31), a negative pressure installation cavity (32), and a rod body installation groove (33); the detection installation cavity (31) is provided with a detection device (4); the negative pressure installation cavity (32) is provided with a negative pressure stabilization device (5); and the billiard wood rod body (7) is placed in the rod body installation groove (33).

4. The billiard log rod body pusher with high stability according to claim 1, characterized in that: The detection device (4) comprises a detection plate (41), a connecting rod (42), an iron core (43), a spring (44), a detection body (45), and an induction coil (46). The detection plate (41) is in contact with a billiard log rod body (7). The detection plate (41) is tightly connected to the connecting rod (42). The connecting rod (42) is tightly connected to the iron core (43). The spring (44) is tightly connected to the iron core (43). The iron core (43) is made of magnetic material. The spring (44) is tightly connected to the detection body (45). The detection body (45) is tightly connected to a detection installation cavity (31). A mounting groove is provided on the detection body (45). The iron core (43) and the spring (44) are placed in the mounting groove. The iron core (43) is slidably connected to the mounting groove. An induction coil (46) is provided outside the mounting groove.

5. The billiard log rod body pusher with high stability according to claim 1, characterized in that: The negative pressure stabilizing device (5) comprises a negative pressure suction cup (51), a negative pressure pipe (52), and a negative pressure pump (53); the negative pressure suction cup (51) is in contact with the billiard log shaft (7); the negative pressure suction cup (51) is connected to the negative pressure pipe (52); the air inlet end of the negative pressure pump (53) is connected to the negative pressure pipe (52); and the negative pressure pipe (52) is placed in the negative pressure installation cavity (32).

6. The billiard log rod body pusher with high stability according to claim 1, characterized in that: The rod body removal device (6) comprises a removal block (61) and a removal cylinder (62); the removal block (61) is tightly connected to the driving base (26); and the removal block (61) is tightly connected to the rod body placement device (3).

7. The billiard log rod body pusher with high stability according to claim 3, characterized in that: The rod body installation groove (33) comprises a trapezoidal groove (331) and a circular groove (332); the trapezoidal groove (331) is inverted and communicated with the circular groove (332); the circular groove (332) is communicated with the detection installation cavity (31) and the negative pressure installation cavity (32); and the billiard wood rod body (7) is placed in the circular groove (332).

8. The billiard log rod body pusher with high stability according to claim 6, characterized in that: The removal block (61) is provided with a pump body installation cavity (611) and a cylinder installation cavity (612); a negative pressure pump (53) is provided in the pump body installation cavity (611); and a removal cylinder (62) is provided in the cylinder installation cavity (612).

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