An automatic fixed-length propellant cutting device and method

Abstract

The present invention relates to the field of initiator production, and specifically discloses a fully automatic device for cutting propellant to a fixed length. The fully automatic device for cutting propellant to a fixed length includes a cutting device frame, a lower decorative plate, an upper isolation plate, an input side isolation door mechanism, a mechanism for outputting the cut propellant column, a mechanism for determining the fixed length of the propellant column, a mechanism for pressing the propellant column, a mechanism for shearing the propellant column, an output side isolation door mechanism, and a waste collection drawer. The device can cut the propellant according to the instructions of the host computer, and there is no human participation during the working process, realizing human-machine isolation operation, adapting to the intelligent and automatic assembly line charging process, ensuring the consistency of the charge amount during the ammunition production process, and improving product quality and production efficiency.

Description

Technical Field

[0001] The present invention relates to the field of initiating explosive device production, and specifically discloses a fully automatic device and method for cutting propellant to a fixed length. Background Art

[0002] During the production process of military ammunition, it is necessary to accurately control the charge amount of the propellant according to the charging process standard, otherwise the product is unqualified.

[0003] The existing production process is as follows: After the staff manually weighs the weight of the propellant column, according to the requirements of the charging process, the staff manually breaks the propellant column that needs to be adjusted in weight, and then weighs the propellant column again to confirm whether it meets the requirements. If it does not meet the requirements, the propellant column needs to be broken and weighed again. In this process, the breaking position is controlled by the staff according to experience. This working method has extremely low production efficiency, cannot ensure the consistency of product quality, cannot get rid of the dependence on the staff, cannot achieve human-machine isolation, and cannot adapt to intelligent and automated assembly line operations. At the same time, there are toxic and harmful substances in the operation site environment, which are harmful to the health of the staff and pose a great safety hazard.

[0004] Therefore, it is necessary to invent a fully automatic device for cutting propellant to a fixed length to ensure the consistency of the charge amount during the production process of military ammunition, improve product quality and production efficiency, achieve human-machine isolation, adapt to the intelligent and automated assembly line charging process, and eliminate safety hazards. Summary of the Invention

[0005] The concept of the present invention lies in: designing a fully automatic device for cutting propellant to a fixed length to realize automatic fixed-length cutting of propellant and ensure the safety of the process and the qualified shape index of the propellant.

[0006] The present invention discloses a fully automatic device for cutting propellant to a fixed length, which can automatically complete processes such as feeding of the propellant column, pressing, fixed-length determination, cutting, waste discharge, and discharging.

[0007] In a first aspect, the present invention provides a fully automatic device for cutting propellant to a fixed length, including a cutting device frame 1, a lower decorative plate 2, an upper isolation plate 3, an input side isolation door mechanism 4, a mechanism for outputting the cut propellant column 5, a mechanism for determining the fixed length of the propellant column 6, a mechanism for pressing the propellant column 7, a mechanism for shearing the propellant column 8, an output side isolation door mechanism 9, and a waste collection drawer 10;

[0008] The medicine cutting device frame 1 includes support feet 101, a square pipe welded frame 102, a bottom backing plate 103, a vertical partition 104, a first intermediate partition 105, and a second intermediate partition 106; the support feet 101 are located at the bottom of the square pipe welded frame 102; the square pipe welded frame 102 is a cube frame welded by square pipes; among the 4 square pipes forming the height of the cube frame, each adjacent pair of square pipes is vertically connected by a square pipe to enclose an intermediate plane parallel to the plane where the length and width of the cube frame are located; the first intermediate partition 105 and the second intermediate partition 106 are respectively connected to the two long sides of the intermediate plane and there is a gap between the two partitions, and the medicine column post-cut output mechanism 5, the medicine column fixed-length mechanism 6, the medicine column pressing mechanism 7, and the medicine column shearing mechanism 8 are arranged in the gap; the bottom backing plate 103 is connected to the 4 square pipes at the bottom of the square pipe welded frame 102; the vertical partition 104 is parallel to the plane where the width and height of the square pipe welded frame 102 are located and connects the bottom backing plate 103 and the intermediate plane;

[0009] The input side isolation door mechanism 4 and the output side isolation door mechanism 9 are respectively arranged above the square pipes where the width of the intermediate plane of the square pipe welded frame 102 is located; behind the input side isolation door mechanism 4, there are successively arranged the medicine column fixed-length mechanism 6, the medicine column pressing mechanism 7, and the medicine column shearing mechanism 8, and they are located on a straight line; the output side isolation door mechanism 9 and the medicine column post-cut output mechanism 5 are arranged on the side parallel to the medicine column fixed-length mechanism 6, the medicine column pressing mechanism 7, and the medicine column shearing mechanism 8, and the medicine column post-cut output mechanism 5 is connected to the output side isolation door mechanism 9 behind;

[0010] The medicine column post-cut output mechanism 5 includes a mechanically coupled rodless cylinder 501, a medicine column output chute 502, a swing cylinder 503, and a swing cylinder bracket 504; the mechanically coupled rodless cylinder 501 is fixed on the medicine cutting device frame 1; the swing cylinder 503 is fixed on the moving table of the mechanically coupled rodless cylinder 501 through the swing cylinder bracket 504; the medicine column output chute 502 is fixed on the side rotating table of the swing cylinder 503 and is located above the mechanically coupled rodless cylinder 501;

[0011] The fixed-length mechanism 6 of the propellant charge includes a module support plate 601, a module bracket 602, a bottom bracket 603 of the propellant charge pressing wheel, a synchronous belt module 604, a moving platform 605 of the synchronous belt module, a fixed-length pushing plate 606 of the propellant charge, a bottom bracket 607 of the cutting groove, a hinge 608, a planetary reducer 609, an explosion-proof servo motor 610, a turning cylinder 611 of the cutting groove for the propellant charge, and a cutting groove 612 for the propellant charge; the module support plate 601 is fixed on the cutting device frame 1, and the synchronous belt module 604 is fixed above the module support plate 601 through the module bracket 602; the moving platform 605 of the synchronous belt module is located on the track of the synchronous belt module 604, and the fixed-length pushing plate 606 of the propellant charge is fixed above the moving platform 605 of the synchronous belt module; the explosion-proof servo motor 610 is connected to the planetary reducer 609, and the synchronous belt module 604 is driven through the planetary reducer 609; the cutting groove 612 for the propellant charge is arranged in parallel on the side of the synchronous belt module 604 and on the other side of the explosion-proof servo motor 610 and the planetary reducer 609, and the cutting groove 612 for the propellant charge is fixed above the module support plate 601 through the hinge 608 and the bottom bracket 607 of the cutting groove; the turning cylinder 611 of the cutting groove for the propellant charge is located at the end of the module bracket 602; one end of the turning cylinder 611 of the cutting groove for the propellant charge is fixed on the cutting device frame 1, and the other end is connected to the bottom of the cutting groove 612 for the propellant charge; the bottom bracket 603 of the propellant charge pressing wheel is welded on the module support plate 601 and is located below the part of the cutting groove 612 close to the head end of the module bracket 602;

[0012] The propellant charge pressing mechanism 7 includes a propellant charge pressing support frame 701, an anti-static pressing wheel 702, and a pressing wheel driving device; the propellant charge pressing support frame 701 is in an inverted L shape, the bottom is welded on the cutting device frame 1, and the upper end fixes the pressing wheel driving device; the anti-static pressing wheel 702 is connected to the lower end of the pressing wheel driving device;

[0013] The propellant charge shearing mechanism 8 includes a lower cutting knife assembly, an upper cutting knife assembly, and a cutting knife driving device; the lower cutting knife assembly is fixed above the module support plate 601; the upper cutting knife assembly is connected to the driving end of the cutting knife driving device; the cutting knife driving device is fixed on the cutting device frame 1;

[0014] The vertical partition 104 divides the space below the middle plane of the square pipe welding frame 102 into two parts. The side where the input side isolation door mechanism 4 is located is the first bottom space, and the side where the output side isolation door mechanism 9 is located is the second bottom space; the waste collection drawer 10 is an upper-open container and is placed through the extraction opening to fill the second bottom space; there are a total of five lower decorative plates 2, which enclose the remaining opening planes in the first bottom space and the second bottom space except the extraction opening of the waste collection drawer 10.

[0015] Further, in the medicine column shearing mechanism 8, the lower cutter assembly includes a lower cutter seat 801, a lower cutter 802 and a protective cover 803, the upper cutter assembly includes an upper cutter 804 and an upper cutter seat 808, and the cutter driving device includes a pressing plate 805, a spring 806, a guide rod 807, a medicine cutting cylinder 809 and a medicine cutting cylinder bracket 810; the lower cutter seat 801 is fixed above the module support plate 601; the lower cutter 802 and the protective cover 803 are installed above the cutter seat 801; the upper cutter 804 is fixed below the upper cutter seat 808; two guiding holes are provided at the front end of the upper cutter seat 808, and two guide rods 807 are installed in the guiding holes; two springs 806 are sleeved outside the guide rods 807; a pressing plate 805 is fixed at the lower end of the guide rod 807; before the upper cutter 804 cuts the medicine column, the pressing plate 805 provides a pre-pressure to the medicine column, and the magnitude of the pressure is controlled by the spring 806; the upper cutter seat 808 is fixed to the moving end of the medicine cutting cylinder 809; the medicine cutting cylinder 809 is fixed to the medicine cutting device frame 1 through the medicine cutting cylinder bracket 810.

[0016] Further, in the medicine column pressing mechanism 7, the pressing wheel driving device includes a pressing wheel bracket 703, a pressing wheel bracket seat 704, a guide rod 705, a spring 706, a connecting plate 707 and a thin belt guide rod cylinder 708; the upper end of the medicine column pressing support frame 701 is fixed with the thin belt guide rod cylinder 708; the connecting plate 707 is fixed to the lower moving end of the thin belt guide rod cylinder 708, and two guiding holes are provided on the connecting plate 707; the pressing wheel bracket 703 is connected to the pressing wheel bracket seat 704, two guide rods 705 are fixed on the pressing wheel bracket seat 704, and two springs 706 are sleeved on the guide rods 705; the upper ends of the guide rods 705 pass through the two guiding holes on the connecting plate 707, and the tops of the guide rods 705 are fixed by an opening snap ring and can move up and down in the two guiding holes of the connecting plate 707; the anti-static pressing wheel 702 is connected to the lower end of the pressing wheel bracket 703 through a pin shaft.

[0017] Further, the input side isolation door mechanism 4 includes an input side isolation plate 401, an input side door frame 402, an input door 403, a belt guide rod locking cylinder 404 and an input side cushion plate 405; the input side isolation plate 401 is fixed to the medicine cutting device frame 1 by screws; the input side door frame 402 is fixed to the input side isolation plate 401 by screws; the input door 403 is installed between the input side door frame 402 and the input side isolation plate 401 and can move up and down; the upper end of the input door 403 is fixed to the moving end of the belt guide rod locking cylinder 404 by screws; the belt guide rod locking cylinder 404 is fixed to the input side isolation plate 401 by screws through the input side cushion plate 405.

[0018] Further, the output-side isolation door mechanism 9 includes an output-side isolation plate 901, an output-side door frame 902, an output door 903, and a locking cylinder with guide rod 904; the output-side isolation plate 901 is fixed to the medicine cutting device frame 1 by screws; the output-side door frame 902 is fixed to the output-side isolation plate 901 by screws; the output door 903 is installed between the output-side door frame 902 and the output-side isolation plate 901 and can move up and down; the upper end of the output door 903 is fixed to the moving end of the locking cylinder with guide rod 904 by screws; the locking cylinder with guide rod 904 is fixed to the output-side isolation plate 901 by screws through an output-side backing plate 905.

[0019] Preferably, the upper cutting knife 804 and the lower cutting knife 802 are made of beryllium bronze material.

[0020] Preferably, the upper isolation plate 3 is a 5-mm-thick stainless steel plate.

[0021] Preferably, the waste collection drawer 10 is formed by bending and welding the four sides of a 1.2-mm-thick stainless steel decorative plate.

[0022] Preferably, the lower decorative plate 2 is formed by bending the four sides of a 1.2-mm-thick stainless steel decorative plate.

[0023] In a second aspect, the present invention provides a method for performing fixed-length medicine cutting using the fully automatic fixed-length medicine cutting device described in the first aspect. The specific steps include pushing in the medicine column, fixing the length of the medicine column, cutting the medicine column, turning the material, and outputting the medicine column.

[0024] S1 Pushing in the medicine column: The locking end of the locking cylinder with guide rod 404 is opened by introducing compressed air; compressed air is introduced into the rod side of the locking cylinder with guide rod 404, the locking cylinder with guide rod 404 retracts, and the input door 403 opens; the medicine column is pushed into the interior of the fixed-length medicine cutting device for the propellant; the locking end of the locking cylinder with guide rod 404 is opened by introducing compressed air, compressed air is introduced into the non-rod side of the locking cylinder with guide rod 404, the locking cylinder with guide rod 404 extends, and the input door 403 closes.

[0025] S2 Fixing the length of the medicine column: Compressed air is introduced into the non-rod side of the thin-type cylinder with guide rod 708 of the medicine column pressing mechanism 7, the moving end of the thin-type cylinder with guide rod 708 extends, driving the connecting plate 707, the pressure wheel support seat 704, the pressure wheel support 703, the guide rod 705, the spring 706, and the antistatic pressure wheel 702 to move downward; the medicine column to be cut is sorted and pressed tightly against the bottom of the medicine cutting trough 612; according to the fixed-length instruction input by the upper computer, the synchronous belt module moving table 605 drives the medicine column fixed-length push plate 606 to move forward, and the medicine column to be cut also moves forward under the action of the medicine column fixed-length push plate 606 to determine the cutting length.

[0026] S3 Propellant Cylinder Shearing: Compressed air is introduced into the rodless side of the cutting cylinder 809. The moving end of the cutting cylinder 809 extends, driving the upper cutting knife 804 and the pressing plate 805 to move downward. The pressing plate 805 first contacts the propellant cylinder, and then the upper cutting knife 804 contacts the propellant cylinder. The upper cutting knife 804 and the lower cutting knife 802 move relative to each other to cut the propellant cylinder. The cut waste falls into the waste collection drawer 10. The cut propellant cylinder is retained in the cutting material groove 612.

[0027] S4 Material Turning: Compressed air is introduced into the rod side of the thin rod-guided cylinder 708 on the propellant cylinder pressing mechanism 7. The moving end of the thin rod-guided cylinder 708 retracts, driving the connecting plate 707, the pressing wheel support seat 704, the pressing wheel support 703, the guide rod 705, the spring 706, and the anti-static pressing wheel 702 to move upward. The anti-static pressing wheel 702 disengages from the propellant cylinder. Compressed air is introduced into the rod side of the cutting material groove turning cylinder 611 in the propellant cylinder fixed-length mechanism 6. The cutting material groove turning cylinder 611 retracts, driving the cutting material groove 612 to turn around the axis of the hinge 608. The cut propellant bundle is turned into the front groove of the propellant cylinder output material groove 502. Compressed air is introduced into the rodless side of the cutting material groove turning cylinder 611, and the cutting material groove 612 resets.

[0028] S5 Propellant Cylinder Output: The locking end of the rod-guided locking cylinder 904 is introduced with compressed air to open. Compressed air is introduced into the rod side of the rod-guided locking cylinder 904, and the rod-guided locking cylinder 904 retracts, opening the output door 903. Compressed air is introduced into one end of the mechanical joint type rodless cylinder 501. The moving platform of the mechanical joint type rodless cylinder 501 drives the swing table cylinder support 504, the swing table cylinder 503, and the propellant cylinder output material groove 502 to move towards the output side isolation door mechanism 9. The propellant cylinder output material groove 502 extends out of the output door 903. Compressed air is introduced, and the rotating side of the swing table cylinder 503 drives the propellant cylinder output material groove 502 to rotate 180 degrees, placing the cut propellant cylinder in the corresponding position of the next process. The swing table cylinder 503 rotates in the reverse direction under the action of compressed air. The mechanical joint type rodless cylinder 501 retracts to its original position. Compressed air is introduced into the rodless side of the rod-guided locking cylinder 904, and the rod-guided locking cylinder 904 extends, closing the output door 903.

[0029] Beneficial Effects Obtained by the Invention: The whole invention adopts an explosion-proof design, meeting the explosion-proof requirements for the cutting of propellant cylinders. The explosion-proof level is better than ExdⅡBT4. The propellant cylinder fixed-length mechanism adopts a drive structure of an explosion-proof servo motor and a synchronous belt module, with a positioning accuracy of up to 0.1 mm. The whole device adopts pneumatic control, with stable and reliable operation. The device cuts the propellant according to the instructions of the upper computer, and there is no human participation during the working process, realizing human-machine isolation operation, adapting to the intelligent and automated pipeline charging process, ensuring the consistency of the charge amount during the production of military ammunition launch tubes, and improving product quality and production efficiency. Description of the Drawings

[0030] Figure 1 、Isometric view from the southwest of the fully automatic propellant fixed-length cutting device

[0031] Figure 2 、Top view of the fully automatic propellant fixed-length cutting device

[0032] Figure 3 、Isometric view from the southwest of the post-cut output mechanism, fixed-length mechanism, pressing mechanism, and shearing mechanism of the propellant column

[0033] Figure 4 、Isometric view from the southwest of the frame of the cutting device

[0034] Figure 5 、Isometric view from the southeast of the input-side isolation door mechanism

[0035] Figure 6 、Isometric view from the northeast of the post-cut output mechanism of the propellant column

[0036] Figure 7 、Isometric view from the northeast of the fixed-length mechanism of the propellant column

[0037] Figure 8 、Isometric view from the northeast of the pressing mechanism of the propellant column

[0038] Figure 9 、Isometric view from the northwest of the shearing mechanism of the propellant column

[0039] Figure 10 、Isometric view from the northeast of the shearing mechanism of the propellant column

[0040] Figure 11 、Isometric view from the northwest of the output-side isolation door mechanism

[0041] In the figure, 1 - cutting device frame; 2 - lower decorative plate; 3 - upper isolation plate; 4 - input side isolation door mechanism; 5 - post - cutting output mechanism for propellant charge; 6 - propellant charge fixed - length mechanism; 7 - propellant charge pressing mechanism; 8 - propellant charge shearing mechanism; 9 - output side isolation door mechanism; 10 - waste collection drawer; 101 - support foot; 102 - square tube welding frame; 103 - bottom backing plate; 104 - vertical partition; 105 - first intermediate partition; 106 - second intermediate partition; 401 - input side isolation plate; 402 - input side door frame; 403 - input door; 404 - locking cylinder with guide rod; 405 - input side backing plate; 501 - mechanical joint type rodless cylinder; 502 - propellant charge output chute; 503 - swing table cylinder; 504 - swing table cylinder bracket; 601 - module support plate; 602 - module bracket; 603 - bottom bracket for propellant charge pressing wheel; 604 - synchronous belt module; 605 - synchronous belt module moving table; 606 - propellant charge fixed - length push plate; 607 - bottom bracket for cutting groove; 608 - stainless steel hinge; 609 - planetary reducer; 610 - explosion - proof servo motor; 611 - cutting groove turning cylinder; 612 - cutting groove; 701 - propellant charge pressing support frame; 702 - anti - static pressure wheel; 703 - pressure wheel bracket; 704 - pressure wheel bracket seat; 705 - guide rod; 706 - spring; 707 - connecting plate; 708 - thin - type cylinder with guide rod; 801 - lower cutter seat; 802 - lower cutter; 803 - protective cover; 804 - upper cutter; 805 - medicine pressing plate; 806 - spring; 807 - guide rod; 808 - upper cutter seat; 809 - cutting cylinder; 810 - cutting cylinder bracket; 901 - output side isolation plate; 902 - output side door frame; 903 - output door; 904 - locking cylinder with guide rod; 905 - output side backing plate. Detailed implementation mode

[0042] In order to make the objectives, technical solutions and advantages of the present invention more clear and definite, the present invention will be further described in detail in combination with the following embodiments. It should be noted that the present invention is not limited to the following embodiments.

[0043] Embodiment 1

[0044] A fully automatic fixed - length cutting device for propellant can automatically complete processes such as feeding, pressing, fixed - length cutting, waste discharging, and discharging of propellant charges, and includes a cutting device frame 1, a lower decorative plate 2, an upper isolation plate 3, an input side isolation door mechanism 4, a post - cutting output mechanism 5 for propellant charges, a propellant charge fixed - length mechanism 6, a propellant charge pressing mechanism 7, a propellant charge shearing mechanism 8, an output side isolation door mechanism 9, and a waste collection drawer 10;

[0045] The medicine cutting device frame 1 includes support feet 101, a square tube welded frame 102, a bottom backing plate 103, a vertical partition 104, a first intermediate partition 105, and a second intermediate partition 106; the support feet 101 are located at the bottom of the square tube welded frame 102; the square tube welded frame 102 is a cube frame welded by tubes, and 12 square tubes form the 12 edges of the cube; 4 square tubes are vertically arranged on the four edges where the height of the square tube welded frame 102 is located, and the 4 square tubes form an intermediate plane; 2 square tubes are arranged parallel to the long side on the intermediate plane, and the post-cut medicine output mechanism 5, the post-length determination mechanism 6, the post pressing mechanism 7, and the post shearing mechanism 8 are arranged between the 2 square tubes, and a first intermediate partition 105 and a second intermediate partition 106 are respectively arranged between the 2 square tubes and the long-side square tubes; the bottom backing plate 103 is connected to the square tubes on the four edges at the bottom of the square tube welded frame 102; the vertical partition 104 connects the bottom backing plate 103 and the intermediate plane;

[0046] The input-side isolation door mechanism 4 and the output-side isolation door mechanism 9 are symmetrically arranged on the short-side square tubes of the intermediate plane of the square tube welded frame 102, and are located between the 2 square tubes arranged parallel to the long side on the intermediate plane; the post-length determination mechanism 6, the post pressing mechanism 7, and the post shearing mechanism 8 are sequentially arranged behind the input-side isolation door mechanism 4; the post-cut medicine output mechanism 5 is parallel to the post-length determination mechanism 6, the post pressing mechanism 7, and the post shearing mechanism 8, and the post-cut medicine output mechanism 5 is connected to the output-side isolation door mechanism 9 at the back;

[0047] The post-cut medicine output mechanism 5 includes a mechanical engagement type rodless cylinder 501, a post output chute 502, a swing cylinder 503, and a swing cylinder bracket 504; the mechanical engagement type rodless cylinder 501 is fixed on the medicine cutting device frame 1; the swing cylinder 503 is fixedly connected to the end of the moving table of the mechanical engagement type rodless cylinder 501 through the swing cylinder bracket 504; the post output chute 502 is fixed on the rotating table of the swing cylinder 503;

[0048] The fixed-length mechanism 6 of the propellant charge includes a module support plate 601, a module bracket 602, a bottom bracket 603 of the propellant charge pressing wheel, a synchronous belt module 604, a synchronous belt module moving table 605, a fixed-length pushing plate 606 of the propellant charge, a bottom bracket 607 of the cutting groove, a hinge 608, a planetary speed reducer 609, an explosion-proof servo motor 610, a turning cylinder 611 of the cutting groove for propellant charge, and a cutting groove 612 for propellant charge; the module support plate 601 is fixed on the cutting device frame 1, and the synchronous belt module 604 is fixed above the module support plate 601 through the module bracket 602; the synchronous belt module moving table 605 is located on the track of the synchronous belt module 604, and the fixed-length pushing plate 606 of the propellant charge is fixed above the synchronous belt module moving table 605; the explosion-proof servo motor 610 is connected to the planetary speed reducer 609 and drives the synchronous belt module 604 through the planetary speed reducer 609; the cutting groove 612 for propellant charge is arranged in parallel on the side of the synchronous belt module 604 and on the other side of the explosion-proof servo motor 610 and the planetary speed reducer 609, and the cutting groove 612 for propellant charge is fixed above the module support plate 601 through the hinge 608 and the bottom bracket 607 of the cutting groove; the turning cylinder 611 of the cutting groove for propellant charge is located at the end of the module bracket 602; one end of the turning cylinder 611 of the cutting groove for propellant charge is fixed on the cutting device frame 1 and the other end is connected to the bottom of the cutting groove 612 for propellant charge; the bottom bracket 603 of the propellant charge pressing wheel is welded on the module support plate 601 and is located below the part of the cutting groove 612 for propellant charge close to the head end of the module bracket 602;

[0049] The propellant charge pressing mechanism 7 includes a propellant charge pressing support frame 701, an anti-static pressing wheel 702, a pressing wheel bracket 703, a pressing wheel bracket seat 704, a guide rod 705, a spring 706, a connecting plate 707, and a thin belt guide rod cylinder 708; the propellant charge pressing support frame 701 is in an inverted L shape, the bottom is welded on the cutting device frame 1, and the upper end fixes the thin belt guide rod cylinder 708; the connecting plate 707 is fixed to the lower moving end of the thin belt guide rod cylinder 708, and two guide holes are provided on the connecting plate 707; the pressing wheel bracket 703 is connected to the pressing wheel bracket seat 704, two guide rods 705 are fixed on the pressing wheel bracket seat 704, and two springs 706 are sleeved on the guide rods 705; the upper ends of the guide rods 705 pass through the two guide holes on the connecting plate 707, and the tops of the guide rods 705 are fixed by open circlips and can move up and down in the two guide holes of the connecting plate 707; the anti-static pressing wheel 702 is connected to the lower end of the pressing wheel bracket 703 through a pin shaft;

[0050] The medicine column shearing mechanism 8 includes a lower cutter base 801, a lower cutter 802, a protective cover 803, an upper cutter 804, a medicine pressing plate 805, a spring 806, a guide rod 807, an upper cutter base 808, a medicine cutting cylinder 809 and a medicine cutting cylinder bracket 810; the lower cutter base 801 is fixed above the module support plate 601; the lower cutter 802 and the protective cover 803 are installed above the cutter base 801; the upper cutter 804 is fixed below the upper cutter base 808; two guiding holes are provided at the front end of the upper cutter base 808, and two guide rods 807 are installed in the guiding holes; two springs 806 are sleeved outside the guide rods 807; a medicine pressing plate 805 is fixed at the lower end of the guide rod 807; before the upper cutter 804 cuts the medicine column, the medicine pressing plate 805 provides a certain pre-pressure to the medicine column, and the magnitude of the pressure is provided by the spring 806; the upper cutter base 808 is fixed on the moving end of the medicine cutting cylinder 809; the medicine cutting cylinder 809 is fixed on the medicine cutting device frame 1 through the medicine cutting cylinder bracket 810; the upper cutter 804 and the lower cutter 802 are made of beryllium bronze material, meeting the hardness requirements and explosion-proof requirements of the cutter;

[0051] The vertical partition 104 divides the space below the middle plane of the square tube welding frame 102 into two parts. The side where the input side isolation door mechanism 4 is located is the first bottom space, and the side where the output side isolation door mechanism 9 is located is the second bottom space; the waste collection drawer 10 is a container with an open upper part, and is placed into the second bottom space through the extraction port; there are a total of five lower decorative plates 2, which enclose the remaining open planes in the first bottom space and the second bottom space except the extraction port of the waste collection drawer 10. The waste collection drawer 10 is welded by bending the four sides of a 1.2 mm thick stainless steel decorative plate; the lower decorative plates 2 are all formed by bending the four sides of a 1.2 mm thick stainless steel decorative plate.

[0052] The input side isolation door mechanism 4 includes an input side isolation plate 401, an input side door frame 402, an input door 403, a guide rod locking cylinder 404 and an input side backing plate 405; the input side isolation plate 401 is fixed on the medicine cutting device frame 1 by screws; the input side door frame 402 is fixed on the input side isolation plate 401 by screws; the input door 403 is installed between the input side door frame 402 and the input side isolation plate 401 and can move up and down; the upper end of the input door 403 is fixed on the moving end of the guide rod locking cylinder 404 by screws; the guide rod locking cylinder 404 is fixed on the input side isolation plate 401 by screws through the input side backing plate 405.

[0053] The output side isolation door mechanism 9 includes an output side isolation plate 901, an output side door frame 902, an output door 903, and a locking cylinder with guide rod 904; the output side isolation plate 901 is fixed to the medicine cutting device frame 1 by screws; the output side door frame 902 is fixed to the output side isolation plate 901 by screws; the output door 903 is installed between the output side door frame 902 and the output side isolation plate 901 and can move up and down; the upper end of the output door 903 is fixed to the moving end of the locking cylinder with guide rod 904 by screws; the locking cylinder with guide rod 904 is fixed to the output side isolation plate 901 by screws through the output side backing plate 905.

[0054] The input side isolation door mechanism 4 and the output side isolation door mechanism 9 adopt cylinders with locking functions. At any time when the power supply or compressed air is missing, the input door 403 and the output door 903 will maintain their existing states to avoid uncontrollable states of the device. The medicine column shearing mechanism 8, the medicine column pressing mechanism 7, the input side isolation door mechanism 4, the output side isolation door mechanism 9, the medicine column flipping, the medicine column cutting and output mechanism 5, etc. all adopt pneumatic control, and the work is stable and reliable.

[0055] The medicine column fixed-length mechanism adopts an explosion-proof servo motor 610 + synchronous belt module 604 drive structure, with a rapid action speed of 1000 mm / s and a positioning accuracy of up to 0.1 mm.

[0056] This device cuts medicine according to the instructions of the upper computer, and there is no human participation during the working process, realizing human-machine isolation operation; it adapts to the intelligent and automated pipeline charging process, ensures the consistency of the charging amount during the production process, improves product quality and production efficiency; reduces potential safety hazards in the working environment and improves the working environment of the staff.

[0057] Embodiment 2

[0058] Use the full-automatic propellant fixed-length cutting device described in Embodiment 1 for fixed-length cutting of medicine columns. The specific steps include pushing the medicine column in, fixing the length of the medicine column, shearing the medicine column, turning the material, and outputting the medicine column.

[0059] S1 Pushing the medicine column in: The locking end of the locking cylinder with guide rod 404 is filled with compressed air to open; compressed air is introduced into the rod side of the locking cylinder with guide rod 404, the locking cylinder with guide rod 404 retracts, and the input door 403 opens; the medicine column is pushed into the internal part of the propellant fixed-length cutting device; the locking end of the locking cylinder with guide rod 404 is filled with compressed air to open, compressed air is introduced into the non-rod side of the locking cylinder with guide rod 404, the locking cylinder with guide rod 404 extends, and the input door 403 closes.

[0060] S2 Pillar Length Determination: Compressed air is introduced into the rodless side of the thin belt guide rod cylinder 708 of the pillar pressing mechanism 7. The moving end of the thin belt guide rod cylinder 708 extends, driving the connecting plate 707, the pressure wheel support seat 704, the pressure wheel support 703, the guide rod 705, the spring 706, and the anti-static pressure wheel 702 to move downward; the to-be-cut pillars are sorted and pressed tightly against the bottom of the pill cutting trough 612; according to the length determination instruction input by the host computer, the synchronous belt module moving platform 605 drives the pill length determination push plate 606 to move forward, and the to-be-cut pillars also move forward together under the action of the pill length determination push plate 606 to determine the cutting length of the pills.

[0061] S3 Pill Cutting: Compressed air is introduced into the rodless side of the pill cutting cylinder 809. The moving end of the pill cutting cylinder 809 extends, driving the upper cutting knife 804 and the pill pressing plate 805 to move downward; the pill pressing plate 805 first contacts the pill, and then the upper cutting knife 804 contacts the pill; the upper cutting knife 804 and the lower cutting knife 802 move relative to each other to cut the pill; the cut waste falls into the waste collection drawer 10; the cut pills are retained in the pill cutting trough 612.

[0062] S4 Pill Turning: Compressed air is introduced into the rod side of the thin belt guide rod cylinder 708 on the pill pressing mechanism 7. The moving end of the thin belt guide rod cylinder 708 retracts, driving the connecting plate 707, the pressure wheel support seat 704, the pressure wheel support 703, the guide rod 705, the spring 706, and the anti-static pressure wheel 702 to move upward; the anti-static pressure wheel 702 is disengaged from the pill; compressed air is introduced into the rod side of the cutting trough turning cylinder 611 in the pill length determination mechanism 6; the cutting trough turning cylinder 611 retracts, driving the pill cutting trough 612 to turn around the axis of the hinge 608; the cut pill bundle is turned into the front trough of the pill output trough 502; compressed air is introduced into the rodless side of the cutting trough turning cylinder 611, and the pill cutting trough 612 is reset.

[0063] S5 Pill Output: Compressed air is introduced into the locking end of the belt guide locking cylinder 904 to open it; compressed air is introduced into the rod side of the belt guide locking cylinder 904, and the belt guide locking cylinder 904 retracts, and the output door 903 opens; compressed air is introduced into one end of the mechanical joint type rodless cylinder 501, and the moving platform of the mechanical joint type rodless cylinder 501 drives the swing table cylinder support 504, the swing table cylinder 503, and the pill output trough 502 to move toward the output side isolation door mechanism 9; the pill output trough 502 extends out of the output door 903; compressed air is introduced, and the rotating side of the swing table cylinder 503 drives the pill output trough 502 to rotate 180 degrees to place the cut pills in the corresponding position of the next process; the swing table cylinder 503 rotates in the reverse direction under the action of compressed air; the mechanical joint type rodless cylinder 501 retracts to its original position; compressed air is introduced into the rodless side of the belt guide locking cylinder 904, and the belt guide locking cylinder 904 extends, and the output door 903 closes.

Claims

1. An automatic propellant fixed-length cutting device, characterized in that, It includes a medicine cutting device frame (1), a lower decorative plate (2), an upper isolation plate (3), an input side isolation door mechanism (4), a medicine column output mechanism after cutting (5), a medicine column fixed-length mechanism (6), a medicine column pressing mechanism (7), a medicine column shearing mechanism (8), an output side isolation door mechanism (9) and a waste collection drawer (10); The medicine cutting device frame (1) includes support feet (101), a square pipe welded frame (102), a bottom backing plate (103), a vertical partition plate (104), a first intermediate partition plate (105) and a second intermediate partition plate (106); the support feet (101) are located at the bottom of the square pipe welded frame (102); the square pipe welded frame (102) is a cube frame welded by square pipes; among the four square pipes forming the height of the cube frame, a square pipe is vertically connected between every two adjacent square pipes to enclose an intermediate plane parallel to the plane where the length and width of the cube frame are located; the first intermediate partition plate (105) and the second intermediate partition plate (106) are respectively connected to the two long sides of the intermediate plane and there is a gap between the two partition plates, and the medicine column output mechanism after cutting (5), the medicine column fixed-length mechanism (6), the medicine column pressing mechanism (7) and the medicine column shearing mechanism (8) are arranged in the gap; the bottom backing plate (103) is connected to the four bottom square pipes of the square pipe welded frame (102); the vertical partition plate (104) is parallel to the plane where the width and height of the square pipe welded frame (102) are located and connects the bottom backing plate (103) and the intermediate plane; The input side isolation door mechanism (4) and the output side isolation door mechanism (9) are respectively arranged above the square pipes where the two widths of the intermediate plane of the square pipe welded frame (102) are located; the medicine column fixed-length mechanism (6), the medicine column pressing mechanism (7) and the medicine column shearing mechanism (8) are successively arranged behind the input side isolation door mechanism (4) and are located on a straight line; the output side isolation door mechanism (9) and the medicine column output mechanism after cutting (5) are arranged on the side parallel to the medicine column fixed-length mechanism (6), the medicine column pressing mechanism (7) and the medicine column shearing mechanism (8), and the medicine column output mechanism after cutting (5) is connected to the output side isolation door mechanism (9) behind; The medicine column output mechanism after cutting (5) includes a mechanical engagement type rodless cylinder (501), a medicine column output chute (502), a swing cylinder (503) and a swing cylinder bracket (504); the mechanical engagement type rodless cylinder (501) is fixed on the medicine cutting device frame (1); the swing cylinder (503) is fixed on the moving table of the mechanical engagement type rodless cylinder (501) through the swing cylinder bracket (504); the medicine column output chute (502) is fixed on the side rotating table of the swing cylinder (503) and is located above the mechanical engagement type rodless cylinder (501); The fixed-length mechanism (6) of the propellant charge includes a module support plate (601), a module bracket (602), a bottom bracket (603) of the propellant charge pressing wheel, a synchronous belt module (604), a synchronous belt module moving table (605), a fixed-length pushing plate (606) of the propellant charge, a bottom bracket (607) of the cutting groove, a hinge (608), a planetary speed reducer (609), an explosion-proof servo motor (610), a turning cylinder (611) of the cutting groove for propellant charge, and a cutting groove for propellant charge (612); the module support plate (601) is fixed on the cutting device frame (1), and the synchronous belt module (604) is fixed above the module support plate (601) through the module bracket (602); the synchronous belt module moving table (605) is located on the track of the synchronous belt module (604), and the fixed-length pushing plate (606) of the propellant charge is fixed above the synchronous belt module moving table (605); the explosion-proof servo motor (610) is connected to the planetary speed reducer (609) and drives the synchronous belt module (604) through the planetary speed reducer (609); the cutting groove for propellant charge (612) is arranged parallel to the side of the synchronous belt module (604) and on the other side of the explosion-proof servo motor (610) and the planetary speed reducer (609), and the cutting groove for propellant charge (612) is fixed above the module support plate (601) through the hinge (608) and the bottom bracket (607) of the cutting groove; the turning cylinder (611) of the cutting groove for propellant charge is located at the end of the module bracket (602); one end of the turning cylinder (611) of the cutting groove for propellant charge is fixed on the cutting device frame (1), and the other end is connected to the bottom of the cutting groove for propellant charge (612); the bottom bracket (603) of the propellant charge pressing wheel is welded on the module support plate (601) and is located below the part of the cutting groove for propellant charge (612) close to the first end of the module bracket (602). The propellant charge pressing mechanism (7) includes a propellant charge pressing support frame (701), an anti-static pressure wheel (702), and a pressure wheel driving device; the propellant charge pressing support frame (701) is in an inverted L shape, the bottom is welded on the cutting device frame (1), and the upper end fixes the pressure wheel driving device; the anti-static pressure wheel (702) is connected to the lower end of the pressure wheel driving device. The propellant charge shearing mechanism (8) includes a lower cutting knife assembly, an upper cutting knife assembly, and a cutting knife driving device; the lower cutting knife assembly is fixed above the module support plate (601); the upper cutting knife assembly is connected to the driving end of the cutting knife driving device; the cutting knife driving device is fixed on the cutting device frame (1). The vertical partition (104) divides the space below the middle plane of the square pipe welding frame (102) into two parts. The side where the input side isolation door mechanism (4) is located is the first bottom space, and the side where the output side isolation door mechanism (9) is located is the second bottom space; the waste collection drawer (10) is a container with an upper opening and is placed through the extraction opening to fill the second bottom space; there are a total of five lower decorative plates (2) that enclose the remaining opening planes in the first bottom space and the second bottom space except for the extraction opening of the waste collection drawer (10). In the medicine column shearing mechanism (8), the lower cutter assembly includes a lower cutter seat (801), a lower cutter (802) and a protective cover (803), the upper cutter assembly includes an upper cutter (804) and an upper cutter seat (808), and the cutter driving device includes a medicine pressing plate (805), a spring A (806), a guide rod A (807), a medicine cutting cylinder (809) and a medicine cutting cylinder bracket (810); the lower cutter seat (801) is fixed above the module support plate (601); the lower cutter (802) and the protective cover (803) are installed above the lower cutter seat (801); the upper cutter (804) is fixed below the upper cutter seat (808); two guiding holes are provided at the front end of the upper cutter seat (808), and two guide rods A (807) are installed in the guiding holes; two spring A (806) are sleeved outside the guide rod A (807); a medicine pressing plate (805) is fixed at the lower end of the guide rod A (807); before the upper cutter (804) cuts the medicine column, the spring A (806) provides a pre-pressure to the medicine column through the medicine pressing plate (805); the upper cutter seat (808) is fixed on the moving end of the medicine cutting cylinder (809); the medicine cutting cylinder (809) is fixed on the medicine cutting device frame (1) through the medicine cutting cylinder bracket (810); In the medicine column pressing mechanism (7), the pressing wheel driving device includes a pressing wheel bracket (703), a pressing wheel bracket seat (704), a guide rod B (705), a spring B (706), a connecting plate (707) and a thin belt guide rod cylinder (708); the upper end of the medicine column pressing support frame (701) is fixed with the thin belt guide rod cylinder (708); the connecting plate (707) is fixed to the lower moving end of the thin belt guide rod cylinder (708), and two guiding holes are provided on the connecting plate (707); the pressing wheel bracket (703) is connected to the pressing wheel bracket seat (704), two guide rods B (705) are fixed on the pressing wheel bracket seat (704), and two spring B (706) are sleeved on the guide rod B (705); the upper ends of the guide rods B (705) pass through the two guiding holes on the connecting plate (707), and the tops of the guide rods B (705) are fixed by opening circlips and can move up and down in the two guiding holes of the connecting plate (707); the anti-static pressing wheel (702) is connected to the lower end of the pressing wheel bracket (703) through a pin shaft.

2. The automatic propellant fixed-length cutting device according to claim 1, characterized in that, The input-side isolation door mechanism (4) includes an input-side isolation plate (401), an input-side door frame (402), an input door (403), an input-side guide rod locking cylinder (404), and an input-side backing plate (405); the input-side isolation plate (401) is fixed to the cutting device frame (1) by screws; the input-side door frame (402) is fixed to the input-side isolation plate (401) by screws; the input door (403) is installed between the input-side door frame (402) and the input-side isolation plate (401) and can move up and down; the upper end of the input door (403) is fixed to the moving end of the input-side guide rod locking cylinder (404) by screws; the input-side guide rod locking cylinder (404) is fixed to the input-side isolation plate (401) by screws through the input-side backing plate (405).

3. The automatic propellant fixed-length cutting device according to claim 2, characterized in that, The output-side isolation door mechanism (9) includes an output-side isolation plate (901), an output-side door frame (902), an output door (903), and an output-side guide rod locking cylinder (904); the output-side isolation plate (901) is fixed to the cutting device frame (1) by screws; the output-side door frame (902) is fixed to the output-side isolation plate (901) by screws; the output door (903) is installed between the output-side door frame (902) and the output-side isolation plate (901) and can move up and down; the upper end of the output door (903) is fixed to the moving end of the output-side guide rod locking cylinder (904) by screws; the output-side guide rod locking cylinder (904) is fixed to the output-side isolation plate (901) by screws through the output-side backing plate (905).

4. The automatic propellant fixed-length cutting device according to claim 3, characterized in that, The upper cutting knife (804) and the lower cutting knife (802) are made of beryllium bronze material.

5. The automatic propellant fixed-length cutting device according to claim 3, characterized in that, The upper isolation plate (3) is a 5-mm thick stainless steel plate.

6. The automatic propellant fixed-length cutting device according to claim 3, characterized in that, The waste collection drawer (10) is formed by bending and welding a 1.2-mm thick stainless steel decorative plate on four sides.

7. The automatic propellant fixed-length cutting device according to claim 3, characterized in that, The lower decorative plate (2) is formed by bending a 1.2-mm thick stainless steel decorative plate on four sides.

8. A method for fixed-length cutting of propellant using the automatic propellant fixed-length cutting device according to any one of claims 3 to 7, characterized in that, The specific steps include pushing the medicine column in, determining the length of the medicine column, cutting the medicine column, turning the material, and outputting the medicine column. S1 Pushing the medicine column in: The locking end of the input-side guide rod locking cylinder (404) is opened by introducing compressed air; compressed air is introduced into the rod side of the input-side guide rod locking cylinder (404), the input-side guide rod locking cylinder (404) retracts, and the input door (403) opens; the medicine column is pushed into the internal part of the propellant fixed-length cutting device; the locking end of the input-side guide rod locking cylinder (404) is opened by introducing compressed air, compressed air is introduced into the non-rod side of the input-side guide rod locking cylinder (404), the input-side guide rod locking cylinder (404) extends, and the input door (403) closes. S2 Pillar Length Determination: Compressed air is introduced into the rodless side of the thin belt guide rod cylinder (708) of the pill pressing mechanism (7). The moving end of the thin belt guide rod cylinder (708) extends, driving the connecting plate (707), the pressure wheel support seat (704), the pressure wheel support (703), the guide rod B (705), the spring B (706), and the anti-static pressure wheel (702) to move downward; the pills to be cut are sorted and pressed tightly at the bottom of the pill cutting trough (612); according to the fixed-length instruction input by the host computer, the synchronous belt module moving table (605) drives the pill fixed-length pushing plate (606) to move forward, and the pills to be cut move forward synchronously under the action of the pill fixed-length pushing plate (606) to determine the length of pill cutting; S3 Pill Cutting: Compressed air is introduced into the rodless side of the pill cutting cylinder (809). The moving end of the pill cutting cylinder (809) extends, driving the upper cutting knife (804) and the pill pressing plate (805) to move downward; the pill pressing plate (805) first contacts the pill, and then the upper cutting knife (804) contacts the pill; the upper cutting knife (804) and the lower cutting knife (802) move relative to each other to cut the pill; the cut waste falls into the waste collection drawer (10); the cut pills are retained in the pill cutting trough (612); S4 Material Turning: Compressed air is introduced into the rod side of the thin belt guide rod cylinder (708) on the pill pressing mechanism (7). The moving end of the thin belt guide rod cylinder (708) retracts, driving the connecting plate (707), the pressure wheel support seat (704), the pressure wheel support (703), the guide rod B (705), the spring B (706), and the anti-static pressure wheel (702) to move upward; the anti-static pressure wheel (702) disengages from the pill; compressed air is introduced into the rod side of the cutting trough turning cylinder (611) in the pill fixed-length mechanism (6); the cutting trough turning cylinder (611) retracts, driving the pill cutting trough (612) to turn around the axis of the hinge (608); the cut pills are turned into the front trough of the pill output trough (502); compressed air is introduced into the rodless side of the cutting trough turning cylinder (611), and the pill cutting trough (612) returns to its original position; Output of S5 charge: The locking end of the locking cylinder with guide rod on the output side (<904>) is opened by introducing compressed air; compressed air is introduced into the rod side of the locking cylinder with guide rod on the output side (<904>), the locking cylinder with guide rod on the output side (<904>) retracts, and the output door (<903>) opens; compressed air is introduced into one end of the mechanical joint type rodless cylinder (<501>), and the moving platform of the mechanical joint type rodless cylinder (<501>) drives the swing table cylinder bracket (<504>), the swing table cylinder (<503>), and the charge output chute (<502>) to move towards the output side isolation door mechanism (<9>); the charge output chute (<502>) extends out of the output door (<903>); compressed air is introduced, and the swing table cylinder (<503>) rotates the charge output chute (<502>) by (<180>) degrees on the rotating side to place the cut charge in the corresponding position of the next process; the swing table cylinder (<503>) rotates in the reverse direction under the action of compressed air; the mechanical joint type rodless cylinder (<501>) retracts to its original position; compressed air is introduced into the rodless side of the locking cylinder with guide rod on the output side (<904>), the locking cylinder with guide rod on the output side (<904>) extends, and the output door (<903>) closes.

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