Rubber sealing ring cutting machine and cutting method thereof

Abstract

The invention provides a rubber sealing ring cutting machine which comprises a placing platform, a feeding unit, a fixing unit and a cutting unit, the feeding unit, the fixing unit and the cutting unit are all located at the top of the placing platform, and the feeding unit and the cutting unit are located at the two ends of the top of the placing platform correspondingly. By arranging the fixing cylinder and the hollow interlayer negative pressure adsorption structure in the fixing unit, the problem of deformation caused by flexibility of the rubber pipe is effectively solved, stable supporting and fixing are provided in the cutting process, the cutting thickness is more uniform, and the quality of a finished product is remarkably improved. Meanwhile, the feeding unit achieves stable conveying of the rubber pipes with different diameters through a flexible clamping structure of an air bag and adjustable fixing force, and it is guaranteed that the rubber pipes are always kept on the axis in the whole operation process. In addition, a telescopic cutter of the cutting unit can accurately control the cutting diameter, the cutting requirements of rubber pipes of various specifications can be met, and the applicability of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of rubber sealing ring cutting, and in particular to a rubber sealing ring cutting machine and a cutting method thereof. Background Art

[0002] Rubber sealing rings are a kind of sealing element widely used in industrial production. They are widely used in hydraulic, pneumatic, mechanical and other fields. They have good sealing and elasticity. Rubber sealing rings are usually made by cutting rubber tubes.

[0003] The Chinese invention patent with announcement number CN112157695A discloses a rubber sealing ring cutting machine, which realizes intermittent leftward transmission of the rubber ring by clamping the feeding device, and then the rubber ring can be cut evenly and efficiently with the cooperation of the transmission device and the cutting device; by providing a collection box and a baffle, the rubber ring falls into the collection box when it falls downward, which is convenient for collecting the rubber ring, and the baffle can block the rubber ring so that it is not easy to fall out of the collection box. However, since the rubber ring is soft and has strong elasticity, it is easy to be squeezed and deformed during the cutting process. This deformation will cause uneven cutting thickness and affect the quality of the finished product. In addition, the fixing and feeding structure of the patent has limited support capacity for flexible materials, and it is difficult to completely avoid the displacement or sliding of the rubber ring during the cutting process. This deficiency not only affects the cutting accuracy, but also easily causes material waste, and cannot meet the higher requirements of industrial production applications. Summary of the invention

[0004] Based on the above background, the purpose of the present invention is to provide a rubber sealing ring cutting machine and a cutting method thereof with high cutting accuracy and easy material loading and unloading, so as to solve the problems described in the background technology.

[0005] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0006] A rubber sealing ring cutting machine comprises a placing platform, a feeding unit, a fixing unit and a cutting unit, wherein the feeding unit, the fixing unit and the cutting unit are all located on the top of the placing platform, and the feeding unit and the cutting unit are respectively located at two ends of the top of the placing platform, and the fixing unit is located between the feeding unit and the cutting unit;

[0007] The feeding unit includes a first electric slide rail, a first connecting frame, a first connecting rod, an airbag, a shrinking space, a two-way air pump and a first pipeline, the first electric slide rail is fixed to the top of the placement platform, the sliding end of the first electric slide rail is connected to the bottom of the first connecting frame, the first connecting frame is slidably matched with the placement platform through the first electric slide rail, a first connecting rod is arranged on the upper part of the first connecting frame, and the first connecting rod is located on a side of the first connecting frame adjacent to the fixed unit, the first connecting rod is connected to the first connecting frame, an airbag is arranged outside the first connecting rod, both ends of the airbag are connected to the first connecting rod, a shrinking space is formed between the airbag and the first connecting rod, the two-way air pump is connected to one end of the airbag adjacent to the first connecting frame through the first pipeline, and the two-way air pump is communicated with the shrinking space through the first pipeline;

[0008] The fixing unit comprises a second connecting frame, a fixing cylinder, a hollow interlayer, a plurality of air extraction holes, an air extraction pump and a second pipeline, the second connecting frame is fixed to the top of the placement platform, a fixing cylinder is arranged on the top of the second connecting frame, the fixing cylinder and the second connecting frame are detachably arranged, the fixing cylinder is arranged with a hollow interlayer, a plurality of air extraction holes are arranged between the inner wall of the fixing cylinder and the hollow interlayer, the inner wall of the fixing cylinder is connected with the hollow interlayer through the plurality of air extraction holes, the air extraction pump is connected with the fixing cylinder through the second pipeline, and the air extraction pump is connected with the hollow interlayer through the second pipeline;

[0009] The cutting unit includes a third electric slide rail, a third connecting frame, a third connecting rod, a rotating motor and a telescopic tool, wherein the third electric slide rail is fixed to the top of the placement platform, the sliding end of the third electric slide rail is connected to the bottom of the third connecting frame, the third connecting frame is slidably matched with the placement platform through the third electric slide rail, a third connecting rod is arranged on the top of the third connecting frame, and the third connecting rod is located on a side of the third connecting frame adjacent to the fixed unit, the third connecting rod is connected to the third connecting frame, a rotating motor is arranged at one end of the third connecting rod away from the third connecting frame, the rotating end of the rotating motor is arranged toward the fixed unit, the rotating motor is connected to the third connecting rod, a telescopic tool is arranged at the rotating end of the rotating motor, the telescopic direction of the telescopic tool is perpendicular to the third connecting rod, and the telescopic tool is connected to the rotating motor;

[0010] The first connecting rod, the fixing tube and the third connecting rod are coaxially arranged.

[0011] Preferably, a first visual sensor is arranged at one end of the first connecting rod adjacent to the fixed tube, and the first visual sensor is connected to the first connecting rod; a third visual sensor is arranged at one end of the third connecting rod adjacent to the fixed tube, and the third visual sensor is connected to the third connecting rod.

[0012] Preferably, a collection box is provided between the fixing unit and the cutting unit, and the collection box is connected to the placement platform.

[0013] Preferably, the telescopic tool comprises a cylinder, a tool holder and a blade, wherein the tool holder is located at the top of the telescopic end of the cylinder, the tool holder is connected to the cylinder, the tool holder is provided with a blade, the cutting edge portion of the blade is located on the side of the blade away from the cylinder, and the blade and the tool holder are detachably arranged.

[0014] Preferably, the diameters of the first connecting rod and the third connecting rod are both smaller than the diameter of the fixing tube.

[0015] Preferably, the rubber sealing ring cutting machine also includes a control panel, which is connected to the placement platform, and the control panel is electrically connected to the first electric slide rail, the two-way air pump, the vacuum pump, the third electric slide rail, the rotating motor, the cylinder, the first visual sensor and the third visual sensor.

[0016] Preferably, the lengths of the first connecting rod and the third connecting rod are both greater than the length of the fixing tube.

[0017] Preferably, a shock-absorbing rubber is provided between the third connecting rod and the rotating motor.

[0018] A rubber sealing ring cutting method comprises the following steps:

[0019] S1. Put the rubber tube onto the first connecting rod provided with the airbag;

[0020] S2, turning on the two-way air pump to inflate the airbag, so that the contraction space between the airbag and the first connecting rod becomes larger, so that the inflated airbag fixes the rubber tube;

[0021] S3, starting the first electric slide rail to drive the first connecting frame and the first connecting rod to move toward the fixing unit until the rubber tube outside the airbag is sent into the fixing tube;

[0022] S4. After the rubber tube enters the fixing tube, the two-way air pump extracts the air in the airbag, so that the shrinkage space between the airbag and the first connecting rod becomes smaller, and the airbag shrinks, thereby removing the force of the airbag fixing the rubber tube;

[0023] S5, start the vacuum pump to form negative pressure between the inner wall of the fixed tube and the rubber tube through the hollow interlayer and a plurality of vacuum holes of the fixed tube, so that the rubber tube is tightly adsorbed on the inner wall of the fixed tube;

[0024] S6, starting the first electric slide rail to drive the first connecting frame and the first connecting rod to move in the opposite direction, and withdrawing the first connecting rod from the fixing cylinder;

[0025] S7, start the third electric slide rail to drive the third connecting frame and the third connecting rod to move toward the fixed unit until the rotating motor and the telescopic tool are sent into the fixed cylinder;

[0026] S8, starting the telescopic tool and the rotating motor, cutting the rubber tube by the rotating telescopic tool, moving the position of the third electric slide rail according to the required width of the sealing ring, cutting the rubber tube section by section, and forming a plurality of rubber sealing rings;

[0027] S9, after the cutting is completed, the third electric slide rail is started to drive the third connecting frame, the third connecting rod, the rotating motor and the telescopic tool to move in the opposite direction, and the rotating motor and the telescopic tool are withdrawn from the fixed cylinder;

[0028] S10, turning off the vacuum pump to release the negative pressure in the fixed cylinder;

[0029] S11, starting the two-way air pump again to inflate the airbag, so that the contraction space between the airbag and the first connecting rod becomes larger, so that the airbag expands, and the diameter of the expanded airbag is smaller than the inner wall diameter of the fixed tube;

[0030] S12, starting the first electric slide rail to drive the first connecting frame and the first connecting rod to move, and sending the airbag into the fixing cylinder;

[0031] S13, when the airbag enters the fixed tube, the airbag pushes the cut sealing ring in the fixed tube to move outward gradually, and the sealing ring leaves the fixed tube under the push of the airbag and is collected by the collection box;

[0032] S14. If the sealing ring is accumulated and stuck in the fixed tube, the two-way air pump performs alternate inflation and deflating operations, so that the airbag loosens the sealing ring under the action of shrinkage and expansion and pushing, until the sealing ring is completely pushed out of the fixed tube and collected.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] The rubber sealing ring cutting machine and cutting method of the present invention effectively solve the deformation problem caused by the flexibility of the rubber tube by setting a fixed cylinder and a hollow interlayer negative pressure adsorption structure in the fixing unit, and provide stable support and fixation during the cutting process, so that the cutting thickness is more uniform and the quality of the finished product is significantly improved. At the same time, the feeding unit realizes the stable delivery of rubber tubes of different diameters through the flexible clamping structure and adjustable fixing force of the airbag, ensuring that the rubber tube always remains on the axis during the entire operation process. In addition, the telescopic tool of the cutting unit can accurately control the cutting diameter, which can meet the cutting needs of rubber tubes of various specifications, thereby improving the applicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0036] Figure 1 is a top view of the present invention;

[0037] Figure 2 is a front view of the present invention;

[0038] Figure 3 It is a schematic diagram of the fixed cylinder structure of the present invention;

[0039] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of part A in FIG.

[0040] In the figure: 1. placing platform; 2. feeding unit; 201. first electric slide rail; 202. first connecting frame; 203. first connecting rod; 204. air bag; 205. contraction space; 206. two-way air pump; 207. first pipeline; 3. fixing unit; 301. second connecting frame; 302. fixing cylinder; 303. hollow interlayer; 304. air extraction hole; 305. air extraction pump; 306. second pipeline; 4. cutting unit; 401. third electric slide rail; 402. third connecting frame; 403. third connecting rod; 404. rotating motor; 405. telescopic tool; 405-1. cylinder; 405-2. tool holder; 405-3. blade; 5. first visual sensor; 6. third visual sensor; 7. collection box; 11. control panel; 12. shock-absorbing glue. DETAILED DESCRIPTION

[0041] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of the present invention is not limited to the following embodiments, and any form of modification and / or change made to the present invention will fall within the protection scope of the present invention.

[0042] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the art. The methods in the following embodiments, unless otherwise specified, are conventional methods in the art. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0043] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments may also be implemented by those skilled in the art without these specific details.

[0044] like Figure 1 As shown, a rubber sealing ring cutting machine includes a placing platform 1, a feeding unit 2, a fixing unit 3 and a cutting unit 4. The feeding unit 2, the fixing unit 3 and the cutting unit 4 are all located on the top of the placing platform 1, and the feeding unit 2 and the cutting unit 4 are respectively located at two ends of the top of the placing platform 1, and the fixing unit 3 is located between the feeding unit 2 and the cutting unit 4.

[0045] A collection box 7 is provided between the fixing unit 3 and the cutting unit 4, and the collection box 7 is connected to the placing platform 1. The function of the collection box 7 is to collect the finished rubber sealing rings after cutting.

[0046] like Figure 2 As shown, the feeding unit 2 includes a first electric slide rail 201, a first connecting frame 202, a first connecting rod 203, an air bag 204, a contraction space 205, a two-way air pump 206 and a first pipeline 207. The first electric slide rail 201 is fixed to the top of the placement platform 1, and the sliding end of the first electric slide rail 201 is connected to the bottom of the first connecting frame 202. The first connecting frame 202 is slidably matched with the placement platform 1 through the first electric slide rail 201. The first connecting rod 203 is arranged on the upper part of the first connecting frame 202, and the first connecting rod 203 is arranged on the upper part of the first connecting frame 202. The rod 203 is located on one side of the first connecting frame 202 adjacent to the fixed unit 3, the first connecting rod 203 is connected to the first connecting frame 202, an airbag 204 is arranged outside the first connecting rod 203, both ends of the airbag 204 are connected to the first connecting rod 203, a contraction space 205 is formed between the airbag 204 and the first connecting rod 203, a two-way air pump 206 is connected to one end of the airbag 204 adjacent to the first connecting frame 202 through a first pipe 207, and the two-way air pump 206 is connected to the contraction space 205 through the first pipe 207.

[0047] The feeding unit 2 drives the first connecting frame 202 to slide through the first electric slide rail 201, and completes the clamping and conveying of the rubber tube through the first connecting rod 203 and the airbag 204 arranged outside it. The airbag 204 is inflated or deflated by the two-way air pump 206, and the fixing force between the airbag 204 and the rubber tube can be flexibly adjusted, so that the rubber tube is stably clamped during the conveying process and is conveyed into the fixing unit 3.

[0048] like Figure 3As shown, the fixing unit 3 includes a second connecting frame 301, a fixing cylinder 302, a hollow interlayer 303, several exhaust holes 304, an exhaust pump 305 and a second pipe 306. The second connecting frame 301 is fixed to the top of the placement platform 1. The fixing cylinder 302 is arranged on the top of the second connecting frame 301. The fixing cylinder 302 and the second connecting frame 301 are detachably arranged. The fixing cylinder 302 is arranged with a hollow interlayer 303. Several exhaust holes 304 are arranged between the inner wall of the fixing cylinder 302 and the hollow interlayer 303. The inner wall of the fixing cylinder 302 is connected with the hollow interlayer 303 through several exhaust holes. The exhaust pump 305 is connected to the fixing cylinder 302 through the second pipe 306. The exhaust pump 305 is connected to the hollow interlayer 303 through the second pipe 306.

[0049] The fixing unit 3 forms a negative pressure adsorption effect through the hollow interlayer 303 of the fixing tube 302 and its inner wall, and uses the vacuum pump 305 to tightly fix the rubber tube on the inner wall of the fixing tube 302, thereby preventing the rubber tube from sliding or deforming due to the flexible material characteristics, and ensuring the accuracy and stability during cutting.

[0050] The cutting unit 4 includes a third electric slide rail 401, a third connecting frame 402, a third connecting rod 403, a rotating motor 404 and a telescopic cutter 405. The third electric slide rail 401 is fixed to the top of the placement platform 1. The sliding end of the third electric slide rail 401 is connected to the bottom of the third connecting frame 402. The third connecting frame 402 is slidably matched with the placement platform 1 through the third electric slide rail 401. The third connecting rod 403 is arranged on the top of the third connecting frame 402, and the third connecting rod 403 is located on the side of the third connecting frame 402 adjacent to the fixed unit 3. The third connecting rod 403 is connected to the third connecting frame 402. The rotating motor 404 is arranged at one end of the third connecting rod 403 away from the third connecting frame 402. The rotating end of the rotating motor 404 is arranged toward the fixed unit 3. The rotating motor 404 is connected to the third connecting rod 403. A shock-absorbing rubber 12 is arranged between the third connecting rod 403 and the rotating motor 404. The shock-absorbing rubber 12 is used to buffer the vibration and impact force generated by the rotating motor 404 during operation. A telescopic tool 405 is disposed at the rotating end of the rotating motor 404 . The telescopic direction of the telescopic tool 405 is perpendicular to the third connecting rod 403 . The telescopic tool 405 is connected to the rotating motor 404 .

[0051] The cutting unit 4 drives the third connecting frame 402 to slide through the third electric slide rail 401, driving the connected third connecting rod 403, the rotating motor 404 and the telescopic tool 405 to enter the rubber tube of the fixed cylinder 302 for cutting operation. The telescopic direction of the telescopic tool 405 is perpendicular to the third connecting rod 403, thereby ensuring precise control of the cutting position. The rotating motor 404 cuts the rubber tube by rotating the telescopic tool 405.

[0052] like Figure 4As shown, the telescopic tool 405 includes a cylinder 405-1, a knife seat 405-2 and a blade 405-3. The knife seat 405-2 is located at the top of the telescopic end of the cylinder 405-1. The knife seat 405-2 is connected to the cylinder 405-1. The knife seat 405-2 is provided with a blade 405-3. The blade portion of the blade 405-3 is located on the side of the blade 405-3 away from the cylinder 405-1. The blade 405-3 and the knife seat 405-2 are detachably arranged. The cylinder 405-1 can flexibly adjust the cutting diameter of the blade 405-3 through its telescopic action, so as to achieve adaptive cutting of rubber tubes of different diameters. The knife seat 405-2 provides a stable connection structure for the blade 405-3 to ensure the stability of the blade 405-3 during the cutting process.

[0053] The first connecting rod 203, the fixed cylinder 302 and the third connecting rod 403 are coaxially arranged. The first connecting rod 203, the fixed cylinder 302 and the third connecting rod 403 are coaxially arranged, so that the entire cutting operation is kept on a stable axis, which greatly improves the uniformity of cutting and the quality of the finished product. The diameters of the first connecting rod 203 and the third connecting rod 403 are both smaller than the diameter of the fixed cylinder 302. It is used to ensure that the first connecting rod 203 and the third connecting rod 403 can smoothly enter the interior of the fixed cylinder 302 without contacting the inner wall of the fixed cylinder 302. The lengths of the first connecting rod 203 and the third connecting rod 403 are both greater than the length of the fixed cylinder 302. It is used to enable the airbag 204 of the feeding unit 2 to completely feed the rubber tube into the interior of the fixed cylinder 302, without incomplete delivery or deviation during delivery due to insufficient length. Similarly, the length of the third connecting rod 403 is greater than the length of the fixed cylinder 302, which can ensure that the telescopic tool 405 of the cutting unit 4 can penetrate into the interior of the fixed cylinder 302 and accurately cut the rubber tube without being limited by the length of the fixed cylinder 302.

[0054] A first visual sensor 5 is disposed at one end of the first connecting rod 203 adjacent to the fixed cylinder 302 , and the first visual sensor 5 is connected to the first connecting rod 203 . A third visual sensor 6 is disposed at one end of the third connecting rod 403 adjacent to the fixed cylinder 302 , and the third visual sensor 6 is connected to the third connecting rod 403 .

[0055] The first visual sensor 5 is disposed at one end of the first connecting rod 203 adjacent to the fixed cylinder 302, and is used to monitor the positions of the rubber tube and the fixed cylinder 302 in real time, ensuring that the rubber tube can be accurately aligned with the central axis of the fixed cylinder 302 during the process of being transported to the fixed cylinder 302. The third visual sensor 6 is disposed at one end of the third connecting rod 403 adjacent to the fixed cylinder 302, and is used to monitor the positions of the telescopic tool 405 and the fixed cylinder 302 in real time, ensuring that the telescopic tool 405 can be accurately aligned with the central axis of the fixed cylinder 302 during the process of being transported to the fixed cylinder 302.

[0056] The rubber sealing ring cutting machine also includes a control panel 11, which is connected to the placement platform 1, and the control panel 11 is electrically connected to the first electric slide rail 201, the two-way air pump 206, the vacuum pump 305, the third electric slide rail 401, the rotating motor 404, the cylinder 405-1, the first visual sensor 5 and the third visual sensor 6.

[0057] The control panel 11 can integrally control the operation of the first electric slide rail 201 , the bidirectional air pump 206 , the vacuum pump 305 , the third electric slide rail 401 , the rotating motor 404 , the cylinder 405 - 1 , the first visual sensor 5 and the third visual sensor 6 .

[0058] It should be noted that the diameter of the fixed tube 302 is not single, and the fixed tube 302 and the second connecting frame 301 are detachably arranged, so that the device can replace the fixed tube 302 of different diameters according to the rubber tubes of different specifications, so as to adapt to the needs of cutting rubber tubes of different diameters, and the expansion and contraction of the airbag 204 and the length of the telescopic tool 405 are adjustable, so that the device can be easily adjusted to adapt to rubber tubes of different specifications and diameters.

[0059] A rubber sealing ring cutting method comprises the following steps:

[0060] S1, putting the rubber tube on the first connecting rod 203 provided with the air bag 204;

[0061] S2, turning on the two-way air pump 206 to inflate the airbag 204, so that the contraction space 205 between the airbag 204 and the first connecting rod 203 becomes larger, so that the inflated airbag 204 fixes the rubber tube;

[0062] S3, start the first electric slide rail 201, so that it drives the first connecting frame 202 and the first connecting rod 203 to move toward the fixing unit 3, until the rubber tube outside the airbag 204 is sent into the fixing tube 302;

[0063] S4, after the rubber tube enters the fixing tube 302, the two-way air pump 206 extracts the air in the airbag 204, so that the contraction space 205 between the airbag 204 and the first connecting rod 203 becomes smaller, and the airbag 204 contracts, thereby removing the force of the airbag 204 fixing the rubber tube;

[0064] S5, start the vacuum pump 305, and form a negative pressure between the inner wall of the fixed tube 302 and the rubber tube through the hollow interlayer 303 and the plurality of vacuum holes 304 of the fixed tube 302, so that the rubber tube is tightly adsorbed on the inner wall of the fixed tube 302;

[0065] S6, start the first electric slide rail 201 to drive the first connecting frame 202 and the first connecting rod 203 to move in the opposite direction, and withdraw the first connecting rod 203 from the fixing cylinder 302;

[0066] S7, start the third electric slide rail 401 to drive the third connecting frame 402 and the third connecting rod 403 to move toward the fixing unit 3 until the rotating motor 404 and the telescopic tool 405 are sent into the fixing cylinder 302;

[0067] S8, starting the telescopic cutter 405 and the rotating motor 404, cutting the rubber tube by the rotating telescopic cutter 405, moving the position of the third electric slide rail 401 according to the required width of the sealing ring, cutting the rubber tube section by section, and forming a plurality of rubber sealing rings;

[0068] S9, after the cutting is completed, the third electric slide rail 401 is started to drive the third connecting frame 402, the third connecting rod 403, the rotating motor 404 and the telescopic tool 405 to move in the opposite direction, and the rotating motor 404 and the telescopic tool 405 are withdrawn from the fixed cylinder 302;

[0069] S10, turning off the vacuum pump 305 to release the negative pressure in the fixed cylinder 302;

[0070] S11, start the two-way air pump 206 again to inflate the airbag 204, so that the contraction space 205 between the airbag 204 and the first connecting rod 203 becomes larger, so that the airbag 204 expands, and the diameter of the expanded airbag 204 is smaller than the inner wall diameter of the fixed tube 302;

[0071] S12, start the first electric slide rail 201 to drive the first connecting frame 202 and the first connecting rod 203 to move, and send the airbag 204 into the fixed cylinder 302;

[0072] S13, the process of the airbag 204 entering the fixed tube 302, the airbag 204 will push the cut sealing ring in the fixed tube 302 to move gradually outward, the sealing ring leaves the fixed tube 302 under the push of the airbag 204, and is collected by the collection box 7;

[0073] S14, if the sealing ring is accumulated and stuck in the fixed tube 302, the two-way air pump 206 performs alternate inflation and degassing operations, so that the airbag 204 loosens the sealing ring under the action of shrinkage and expansion and pushing, until the sealing ring is completely pushed out of the fixed tube 302 and collected.

[0074] The implementation principle of a rubber sealing ring cutting machine and a cutting method thereof of the present invention is as follows:

[0075] First, the feeding unit 2 drives the first connecting frame 202 to slide by the first electric slide rail 201, and transports the rubber tube from the placement position to the fixing unit 3. In this process, the airbag 204 clamps the rubber tube through the inflation or exhaust action of the two-way air pump 206, and the adjustment of the contraction space 205 ensures the stable transportation of rubber tubes with different diameters.

[0076] After entering the fixing unit 3, the fixing cylinder 302 fixes the rubber tube tightly to the inner wall of the cylinder through the negative pressure adsorption effect generated by the hollow interlayer 303, thereby avoiding the sliding or deformation problems caused by its flexible characteristics, and ensuring the stability and accuracy of the subsequent cutting operation. In addition, the detachable design of the fixing cylinder 302 allows the operator to replace cylinders of different diameters according to the needs of rubber tubes of different specifications, making the device widely adaptable.

[0077] The cutting unit 4, driven by the third electric slide rail 401, accurately positions the telescopic blade at the rubber tube cutting position in the fixed cylinder 302 through the third connecting frame 402. The rotating motor 404 drives the telescopic blade to rotate at high speed, and the cylinder 405-1 controls the extension and retraction of the blade 405-3, so as to flexibly adjust the cutting diameter to match the size of rubber tubes of different specifications. During the cutting process, the shock-absorbing rubber 12 arranged between the third connecting rod 403 and the rotating motor 404 effectively reduces the influence of the vibration of the rotating motor 404 on the cutting accuracy when it is working.

[0078] After the cutting is completed, the expansion structure of the airbag 204 will push the cut rubber sealing ring in the fixed tube 302 to move gradually outward, so that the sealing ring leaves the fixed tube 302 under the push of the airbag 204 and falls smoothly into the collection box 7 below, thereby completing the centralized collection of the sealing ring.

[0079] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core ideas of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A rubber sealing ring cutting machine, characterized in that: The rubber sealing ring cutting machine comprises a placement platform (1), a feeding unit (2), a fixing unit (3) and a cutting unit (4); the feeding unit (2), the fixing unit (3) and the cutting unit (4) are all located on the top of the placement platform (1), and the feeding unit (2) and the cutting unit (4) are respectively located at two ends of the top of the placement platform (1), and the fixing unit (3) is located between the feeding unit (2) and the cutting unit (4); The feeding unit (2) comprises a first electric slide rail (201), a first connecting frame (202), a first connecting rod (203), an air bag (204), a contraction space (205), a two-way air pump (206) and a first pipeline (207); the first electric slide rail (201) is fixed to the top of the placement platform (1); the sliding end of the first electric slide rail (201) is connected to the bottom of the first connecting frame (202); the first connecting frame (202) is slidably matched with the placement platform (1) through the first electric slide rail (201); the first connecting rod (203) is arranged on the upper part of the first connecting frame (202); and the first connecting rod (203) is arranged on the upper part of the first connecting frame (202); 3) located on a side of the first connecting frame (202) adjacent to the fixing unit (3), the first connecting rod (203) is connected to the first connecting frame (202), an airbag (204) is arranged outside the first connecting rod (203), both ends of the airbag (204) are connected to the first connecting rod (203), a contraction space (205) is formed between the airbag (204) and the first connecting rod (203), the two-way air pump (206) is connected to one end of the airbag (204) adjacent to the first connecting frame (202) through a first pipe (207), and the two-way air pump (206) is in communication with the contraction space (205) through the first pipe (207); The fixing unit (3) comprises a second connecting frame (301), a fixing cylinder (302), a hollow interlayer (303), a plurality of air extraction holes (304), an air extraction pump (305) and a second pipeline (306); the second connecting frame (301) is fixed to the top of the placement platform (1); a fixing cylinder (302) is arranged on the top of the second connecting frame (301); the fixing cylinder (302) and the second connecting frame (301) are detachably arranged; the fixing cylinder (302) is provided with a hollow interlayer (303), a plurality of air extraction holes (304) are provided between the inner wall of the fixed cylinder (302) and the hollow interlayer (303), the inner wall of the fixed cylinder (302) and the hollow interlayer (303) are communicated through the plurality of air extraction holes, the air extraction pump (305) is connected to the fixed cylinder (302) through a second pipe (306), and the air extraction pump (305) is connected to the hollow interlayer (303) through the second pipe (306); The cutting unit (4) comprises a third electric slide rail (401), a third connecting frame (402), a third connecting rod (403), a rotating motor (404) and a telescopic tool (405); the third electric slide rail (401) is fixed to the top of the placement platform (1); the sliding end of the third electric slide rail (401) is connected to the bottom of the third connecting frame (402); the third connecting frame (402) is slidably matched with the placement platform (1) through the third electric slide rail (401); a third connecting rod (403) is arranged on the top of the third connecting frame (402); and the third connecting rod (403) is located on the third connecting frame (40 2) on a side adjacent to the fixed unit (3), the third connecting rod (403) is connected to the third connecting frame (402), a rotating motor (404) is arranged at one end of the third connecting rod (403) away from the third connecting frame (402), the rotating end of the rotating motor (404) is arranged toward the fixed unit (3), the rotating motor (404) is connected to the third connecting rod (403), a telescopic tool (405) is arranged at the rotating end of the rotating motor (404), the telescopic direction of the telescopic tool (405) is perpendicular to the third connecting rod (403), and the telescopic tool (405) is connected to the rotating motor (404); The first connecting rod (203), the fixing tube (302) and the third connecting rod (403) are coaxially arranged.

2. The rubber sealing ring cutting machine according to claim 1, characterized in that: A first visual sensor (5) is arranged at one end of the first connecting rod (203) adjacent to the fixed cylinder (302), and the first visual sensor (5) is connected to the first connecting rod (203). A third visual sensor (6) is arranged at one end of the third connecting rod (403) adjacent to the fixed cylinder (302), and the third visual sensor (6) is connected to the third connecting rod (403).

3. The rubber sealing ring cutting machine according to claim 1, characterized in that: A collection box (7) is arranged between the fixing unit (3) and the cutting unit (4), and the collection box (7) is connected to the placement platform (1).

4. The rubber sealing ring cutting machine according to claim 2, characterized in that: The telescopic tool (405) comprises a cylinder (405-1), a knife seat (405-2) and a blade (405-3); the knife seat (405-2) is located at the top of the telescopic end of the cylinder (405-1); the knife seat (405-2) is connected to the cylinder (405-1); the knife seat (405-2) is provided with a blade (405-3); the cutting edge of the blade (405-3) is located at a side of the blade (405-3) away from the cylinder (405-1); and the blade (405-3) and the knife seat (405-2) are detachably arranged.

5. The rubber sealing ring cutting machine according to claim 2, characterized in that: The diameters of the first connecting rod (203) and the third connecting rod (403) are both smaller than the diameter of the fixing cylinder (302).

6. The rubber sealing ring cutting machine according to claim 4, characterized in that: The rubber sealing ring cutting machine also includes a control panel (11), wherein the control panel (11) is connected to the placement platform (1), and the control panel (11) is electrically connected to the first electric slide rail (201), the bidirectional air pump (206), the air pump (305), the third electric slide rail (401), the rotating motor (404), the cylinder (405-1), the first visual sensor (5), and the third visual sensor (6).

7. The rubber sealing ring cutting machine according to claim 5, characterized in that: The lengths of the first connecting rod (203) and the third connecting rod (403) are both greater than the length of the fixing tube (302).

8. The rubber sealing ring cutting machine according to claim 7, characterized in that: A shock-absorbing rubber (12) is provided between the third connecting rod (403) and the rotating motor (404).

9. A method for cutting a rubber sealing ring, characterized in that: The following steps are involved: S1, putting a rubber tube onto a first connecting rod (203) provided with an air bag (204); S2, turning on the two-way air pump (206) to inflate the airbag (204), thereby enlarging the contraction space (205) between the airbag (204) and the first connecting rod (203), so that the inflated airbag (204) fixes the rubber tube; S3, starting the first electric slide rail (201) to drive the first connecting frame (202) and the first connecting rod (203) to move toward the fixing unit (3) until the rubber tube outside the airbag (204) is sent into the fixing tube (302); S4. After the rubber tube enters the fixing tube (302), the two-way air pump (206) extracts the air in the airbag (204), so that the contraction space (205) between the airbag (204) and the first connecting rod (203) becomes smaller, and the airbag (204) contracts, thereby removing the force of the airbag (204) fixing the rubber tube; S5, starting the air pump (305), so that negative pressure is formed between the inner wall of the fixed cylinder (302) and the rubber tube through the hollow interlayer (303) and the plurality of air extraction holes (304) of the fixed cylinder (302), thereby tightly adsorbing the rubber tube onto the inner wall of the fixed cylinder (302); S6, starting the first electric slide rail (201) to drive the first connecting frame (202) and the first connecting rod (203) to move in the opposite direction, and withdrawing the first connecting rod (203) from the fixing cylinder (302); S7, starting the third electric slide rail (401) to drive the third connecting frame (402) and the third connecting rod (403) to move toward the fixed unit (3) until the rotating motor (404) and the telescopic tool (405) are sent into the fixed cylinder (302); S8, starting the telescopic cutter (405) and the rotating motor (404), cutting the rubber tube by the rotating telescopic cutter (405), moving the position of the third electric slide rail (401) according to the required width of the sealing ring, cutting the rubber tube section by section, and forming a plurality of rubber sealing rings; S9, after the cutting is completed, the third electric slide rail (401) is started to drive the third connecting frame (402), the third connecting rod (403), the rotating motor (404) and the telescopic tool (405) to move in the opposite direction, and the rotating motor (404) and the telescopic tool (405) are withdrawn from the fixed cylinder (302); S10, turning off the air pump (305) to release the negative pressure in the fixed cylinder (302); S11, starting the two-way air pump (206) again to inflate the airbag (204), so that the contraction space (205) between the airbag (204) and the first connecting rod (203) becomes larger, so that the airbag (204) expands, and the diameter of the airbag (204) after expansion is smaller than the inner wall diameter of the fixed tube (302); S12, starting the first electric slide rail (201) to drive the first connecting frame (202) and the first connecting rod (203) to move, and sending the airbag (204) into the fixing cylinder (302); S13, the process of the airbag (204) entering the fixed tube (302), the airbag (204) will push the cut sealing ring in the fixed tube (302) to move gradually outward, the sealing ring will leave the fixed tube (302) under the push of the airbag (204), and will be collected by the collection box (7); S14. If the sealing ring is accumulated and stuck in the fixed tube (302), the two-way air pump (206) performs alternate inflation and deflating operations, so that the airbag (204) loosens the sealing ring under the action of shrinkage and expansion and pushing, until the sealing ring is completely pushed out of the fixed tube (302) and collected.

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