CN212711442U

CN212711442U - Product conveying device for irradiation workshop

Info

Publication number: CN212711442U
Application number: CN202021362798.1U
Authority: CN
Inventors: 杨昌荣; 阙龙飞
Original assignee: Sichuan Runxiang Irradiation Technology Co ltd
Current assignee: Sichuan Runxiang Irradiation Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-16
Anticipated expiration: 2030-07-13

Abstract

The application relates to a product conveying device in an irradiation workshop, which comprises a frame, it is provided with a plurality of rollers to rotate in the frame, be provided with in the frame and be used for driving roller pivoted drive arrangement, a certain section of frame is located irradiation device below, be provided with the guide rail in the frame, it is provided with a plurality of transport table to slide on the guide rail, it is provided with and places the board to rotate on the transport table, the bottom of transport table is provided with and is used for the drive to place board pivoted first gear, it is provided with the first rack with first gear engagement to lie in irradiation region in the frame, be provided with on the transport table and be used for restricting first gear pivoted friction disc. Place and slide on the board and be provided with the limiting plate, the limiting plate is provided with a plurality of along placing board circumference, places and is provided with the second drive assembly who is used for ordering about the limiting plate and is close to the board of placing on the board. This application enables each position homoenergetic of product and is radiated, effectively improves the irradiation effect of device.

Description

Product conveying device for irradiation workshop

Technical Field

The application relates to the field of irradiation devices, in particular to a product conveying device for an irradiation workshop.

Background

The irradiation processing means that energy of an electron beam generated by an electron accelerator or y rays generated by a radioactive isotope (Cs-137 or C0-60) is transferred to an irradiated substance, the ionizing radiation acts on the irradiated substance to generate ionization and excitation, so that guide electrons are released to form free radicals, and the physical property and the chemical composition of the irradiated substance are changed by controlling the radiation conditions, so that the irradiated substance can become a new substance required by people, or organisms (microorganisms and the like) are subjected to unrecoverable loss and damage, so that the required target of people is achieved.

The patent with the publication number of CN205675639U discloses an electron irradiation product conveyor, including carrying frame, cylinder, location guide rail, transport table and control drive arrangement, carry frame connection control drive arrangement, the upper end equipartition of carrying the frame is equipped with a plurality of parallel arrangement's cylinder, and the upper end of cylinder sets up location guide rail and transport table, and open at the lower extreme middle part of transport table has the guide rail recess, carry the frame to include support and arc, the arc is connected in the support upper end. When the transport table moves under the action of the roller, the transport table can stably move on the transport table under the limiting action of the guide rail.

The above prior art solutions have the following drawbacks: when the conveying device conveys the product to the radiation device for irradiation, the irradiation device is usually fixed in position, then a large-area radiation opening is adopted to face the conveying belt to irradiate the product, and the direction of the radiated electron beam is fixed, so that the irradiation in each direction of a single product is uneven, and the irradiation effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the irradiation effect of device, make the product processed by the irradiation more evenly, this application provides an irradiation workshop product conveyor.

The application provides a product conveying device for an irradiation workshop, which adopts the following technical scheme:

the utility model provides an irradiation workshop product conveyor, includes the frame, it is provided with a plurality of rollers, a plurality of to rotate in the frame the roller evenly arranges along the length direction of frame, is provided with in the frame and is used for driving roller pivoted drive arrangement, be provided with irradiation apparatus in the frame, a certain section of frame is located irradiation apparatus below, be provided with the guide rail in the frame, it is provided with a plurality of transport table, a plurality of to slide on the guide rail the transport table sets up along the even interval of length direction of frame, it is provided with places the board to rotate on the transport table, the bottom of transport table is provided with and is used for the drive to place board pivoted first drive assembly, it is provided with the limiting plate to slide on the board to place, the limiting plate is provided with a plurality ofly along placing board circumference, it is provided with the second drive assembly that is used.

Through adopting above-mentioned technical scheme, place the product of needs irradiation on placing the board, thereby order about the limiting plate through second drive assembly and be close to with the product clamp tightly, prevent that the product from dropping, open drive arrangement and drive the roller and begin to rotate, with the regional transportation of the irradiation of transport table to irradiation device, open the drive of first drive assembly and place the board and begin to rotate, make each position homoenergetic of product by the irradiation, effectively improve the irradiation effect of device.

Preferably, the first driving assembly comprises a first gear and a first rack, a groove is formed in the bottom of the transport table, the first gear is arranged in the groove and is coaxially and fixedly connected with a rotating shaft of the placing plate, the first rack is located in an irradiation area of the irradiation device and is fixedly arranged on the rack, the first rack is arranged along the length direction of the guide rail, and the first rack is meshed with the first gear when the placing plate passes through the irradiation area of the irradiation device.

Through adopting above-mentioned technical scheme, place the product place the board on the back, the product is transported irradiation region of irradiation arrangement, and when the transport table was through first rack, first rack and first gear contact and intermeshing along with the motion of transport table, place the board and begin to rotate under the drive of gear, the messenger places the homoenergetic all around of the product on the board and is irradiated, effectively improves the irradiation effect of device to the product.

Preferably, it is provided with the friction disc that is used for restricting first gear revolve to slide on the transport table, the top of friction disc is provided with the first spring that is used for ordering about friction disc and first gear contact, the one end of first spring and the diapire fixed connection of transport table, the other end and the roof fixed connection of friction disc, be provided with the wedge that is used for with first rack contact on the friction disc, the inclined plane of wedge is located the downstream edge of wedge.

Through adopting above-mentioned technical scheme, when the transport table is not in irradiation region of irradiation device, the friction disc contacts with first gear under the drive of first spring, the board rotation is placed in the restriction, when the transport table moves to irradiation region of irradiation device, the inclined plane contact of rack and wedge and with the friction disc jack-up that makes progress, then first gear orders about with first rack toothing and places the board and begin to rotate, leave away from with first rack behind irradiation region of irradiation device when the transport table, the friction disc is in the gear contact of raining under the effect of first spring, make first gear deceleration until placing board stall through frictional force, make things convenient for the exposure to accomplish back staff and carry the product.

Preferably, one end of the first rack close to the feeding hole of the irradiation device is provided with a roller for contacting with the wedge block, and the axis of the roller is horizontally arranged and is perpendicular to the first rack.

By adopting the technical scheme, the resistance of the rack in contact with the wedge-shaped block is effectively reduced, and the device can move more smoothly.

Preferably, the second drive assembly includes reel and cable wire, place and radially seted up a plurality of spouts along self on the board, the bottom of limiting plate slides and sets up in the spout, interior the one end and limiting plate fixed connection, the other end of cable wire are around establishing on the reel, the reel sets up the one end that is close to placing the board center at the spout along the width direction of spout, it is provided with drive reel pivoted drive division to place on the board.

Through adopting above-mentioned technical scheme, place the product place the board on the back, open the drive division and order about the reel and begin to rotate, thereby the reel is close to the centre with cable wire rolling pulling limiting plate and fixes spacingly to the product, effectively prevents that transportation and irradiation in-process product from dropping.

Preferably, the driving part comprises a pressing plate, a second gear and a second gear, a stand column is fixedly arranged at the bottom of the pressing plate, a lifting groove matched with the stand column is formed in the center of the placing plate, the lifting groove is communicated with the sliding groove, the second gear is fixedly connected with the winding drum in a coaxial mode, the second gear is arranged on the stand column in the vertical direction, and the second gear are meshed with each other.

Through adopting above-mentioned technical scheme, the staff places the product and places the clamp plate pushing down when the bench, and the clamp plate drives the stand lapse, and second rack and second gear engagement on the stand rotate to make the reel rotate with the cable wire rolling, the limiting plate lasts to fix spacingly to the product under the action of gravity of product self, realizes through the gravity of product self with self tight effect of clamp, makes operation process convenient and fast more.

Preferably, one side that the lifting groove was kept away from to the limiting plate is provided with the second spring, offer the holding tank that is used for holding the second spring on the lateral wall of spout, the one end of second spring and the lateral wall fixed connection of holding tank, the other end and limiting plate fixed connection.

Through adopting above-mentioned technical scheme, when the staff put the product on the clamp plate, the stand accumulated elastic potential energy with the second spring compression, and the staff resets the stand jack-up with the second spring after taking off the product, drives the clamp plate and rises, conveniently puts the product next time.

Preferably, the roller is sleeved with an anti-slip sleeve.

Through adopting above-mentioned technical scheme, increase the frictional force between roller and the transport table, make the transportation more smooth and easy, effectively improve the work efficiency of device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the conveying table is rotatably provided with a placing plate, a gear is coaxially and fixedly arranged at the bottom of the placing plate, a rack which is used for being meshed with the gear is arranged in an irradiation area on the rack, the rack is meshed with the gear when the conveying table moves to the irradiation area, the placing plate is driven to drive a product to rotate while the conveying table moves, the periphery of the product can be irradiated, and the irradiation effect of the device on the product is effectively improved;

2. the friction plate is arranged on the transport table and is in contact with the gear, the wedge-shaped block is socially free on the friction plate, the friction plate is jacked up by the contact of the rack and the wedge-shaped block when the transport table is conveyed to an irradiation area, and the friction plate is in contact with the gear after the transport table leaves the irradiation area so that the gear is decelerated until the gear stops, and the product can be conveniently replaced by a worker;

3. the placing plate is provided with the limiting plate, so that the product can be clamped and positioned, and the product can be prevented from sliding down when the placing plate rotates.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially sectional schematic view of a transportation table and a placing plate in the embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic plan sectional view of the transportation table and the placing plate.

Description of reference numerals: 1. a frame; 2. a roller; 3. a drive device; 4. a guide rail; 5. a transport table; 51. a sliding groove; 52. an opening; 53. a groove; 6. placing the plate; 61. a rotating shaft; 7. a first drive assembly; 71. a first gear; 72. a first rack; 73. a friction plate; 74. a first spring; 75. a wedge block; 76. a roller; 8. a limiting plate; 9. a second drive assembly; 91. a reel; 92. a steel cord; 93. a drive section; 931. pressing a plate; 932. a column; 933. a second gear; 934. a second rack; 935. a second spring; 936. a lifting groove; 94. a chute; 10. an irradiation device; 11. an anti-slip sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses irradiation workshop product conveyor. Referring to fig. 1, the product conveying device for the irradiation workshop comprises a frame 1, wherein the two sides of the frame 1 are symmetrical, supporting legs are arranged at the bottom of the frame 1, a plurality of rollers 2 are horizontally arranged on the frame 1 in a rotating mode, the rollers 2 are perpendicular to the two sides of the frame 1, the rollers 2 are evenly distributed along the edge of the frame 1, and an anti-slip sleeve 11 made of rubber is sleeved on each roller 2. One side of frame 1 is provided with and is used for driving drum pivoted drive arrangement 3, including driving motor, sprocket and chain, and the coaxial key joint of sprocket is in one side of roller 2, and around being equipped with the chain on two adjacent sprockets, driving motor passes through the coaxial fixed connection of shaft coupling with arbitrary roller 2, and driving motor is provided with a plurality of at even interval in frame 1, and a plurality of driving motor rotates with fast. An irradiation device 10 is arranged above a certain section of the machine frame 1 for irradiating passing products.

Referring to fig. 1, a guide rail 4 is arranged above the roller 2, the guide rail 4 is welded on the frame 1, the guide rail 4 is located in the middle of the frame 1 and is parallel to the edges of the two sides of the frame 1, and a through hole for the roller 2 to pass through is formed in the guide rail 4. A plurality of square transport platforms 5 are arranged on the guide rails 4 in a sliding mode, the bottoms of the transport platforms 5 are in surface contact with the rollers 2, sliding grooves 51 matched with the guide rails 4 are formed in the bottoms of the transport platforms 5, and the transport platforms 5 can be assembled and disassembled according to actual needs.

Referring to fig. 2 and 3, a circular placing plate 6 is arranged above the transportation table 5, the placing plate 6 is rotatably arranged on the transportation table 5 through a rotating shaft 61, a circular through hole matched with the cross section of the rotating shaft 61 is formed in the middle of the transportation table 5, the rotating through hole is arranged in a penetrating mode, and a ball bearing is arranged between the rotating shaft 61 and the through hole, so that the rotating shaft 61 is smoother when rotating. The bottom of the transportation table 5 is provided with a groove 53, and a first driving assembly 7 for driving the rotating shaft 61 to drive the placing plate 6 to rotate is arranged in the groove 53.

Referring to fig. 3 and 4, the first driving device 3 includes a first gear 71 and a first rack 72. The first gear 71 is coaxially welded to the bottom end of the rotating shaft 61, and the first rack 72 is provided on the gantry 1 in the irradiation region. The first rack 72 is welded on the frame 1 through a connecting rod and is parallel to the guide rail 4, the tooth surface of the first rack 72 faces one side of the guide rail 4, and the bottom of the transport table 5 is provided with an opening 52 for the rack to pass through. When the transport table 5 moves to the irradiation region, the first rack 72 passes through the transport table 5 from the opening 52 and is meshed with the gear, and the placing plate 6 is driven to rotate by the meshing of the first rack 72 and the first gear 71 while the transport table 5 moves, so that the periphery of the product on the placing plate 6 can be irradiated by the irradiation device 10.

Referring to fig. 3 and 4, a friction plate 73 is disposed in the recess 53 and contacts an upper surface of the first gear 71, and the friction plate 73 is made of a ceramic fiber material. A through hole for the rotating shaft 61 to pass through is formed in the middle of the friction plate 73, the friction plate 73 can slide up and down along the rotating shaft 61, four first springs 74 are arranged at four corners of the friction plate 73, and the first springs 74 are compression springs used for driving the friction plate 73 to contact with the first gear 71. One end of the first spring 74 is welded to the top wall of the groove 53, and the other end is welded to the top wall of the friction plate 73. One side of the friction plate 73 close to the first rack 72 is fixedly provided with a wedge block 75, the inclined plane of the wedge block 75 inclines from bottom to top along the moving direction of the transport table 5, one end of the first rack 72, which is firstly contacted with the wedge block 75, is rotatably provided with a roller 76, the rotating shaft 61 of the roller 76 is parallel to the length direction of the roller 2, and the roller 76 is used for reducing the friction between the first rack 72 and the inclined plane of the wedge block 75. When the transport table 5 moves to the irradiation area, the roller 76 on the first rack 72 firstly contacts with the inclined surface of the wedge block 75, the friction plate 73 is jacked up upwards by the inclined surface action, so that the friction plate 73 is far away from the top surface of the gear, and the first rack 72 is meshed with the first gear 71 to drive the placing plate 6 to rotate; after the transport table 5 leaves the irradiation area, the friction plate 73 is pressed downwards by the first spring 74, the friction plate 73 is in contact with the gear, the first gear 71 is driven to start to decelerate through friction force until the placing plate 6 stops rotating, and therefore the irradiated product can be taken down by the worker conveniently.

In another embodiment, the first driving device 3 may adopt a servo motor, the servo motor is mounted on the transportation table 5 through a bolt, and an output shaft of the servo motor is coaxially and fixedly connected with the rotating shaft 61 through a coupler. Servo motor passes through PLC single chip microcomputer control, and servo motor drives when 5 entering irradiation zone districts of transport table and places board 6 and begin to rotate, makes the homoenergetic all around of product by the irradiation, and servo motor stall when 5 leaving irradiation zone districts of transport table makes and places board 6 stall, makes things convenient for the staff to change the product.

Referring to fig. 3 and 4, the placing plate 6 is provided with four limiting plates 8 for preventing the product from sliding off the placing plate 6 due to centrifugal force when the placing plate 6 rotates. Four sliding grooves 94 are formed in the placing plate 6 along the radial direction of the placing plate, the two adjacent sliding grooves 94 are perpendicular to each other, the placing plate 6 is arranged in the sliding grooves 94 in a sliding mode along the vertical direction, a second driving assembly 9 which drives the limiting plate 8 to be close to the center of the placing plate 6 is arranged in the sliding grooves 94, and the second driving assembly comprises a winding drum 91, a steel cable 92 and a driving portion 93 which drives the winding drum 91 to rotate. The drum is rotatably disposed at one end of the sliding chute 94 close to the center of the placing plate 6 along the horizontal direction, the rotating shaft is perpendicular to the length direction of the sliding chute 94, one end of the steel cable 92 is fixedly connected with the limiting plate 8, and the other end of the steel cable is fixedly connected with the winding drum 91 and is wound on the winding drum 91.

Referring to fig. 3 and 4, the driving portion 93 of the winding drum 91 includes a pressing plate 931, a column 932, four second gears 933 and four second racks 934, a lifting groove 936 communicated with the four sliding grooves 94 is formed in the center of the placing plate 6, the column 932 is slidably disposed in the lifting groove 936, the four second gears 933 are respectively and coaxially welded to the winding drum 91, the four second racks 934 are fixedly disposed on the column 932 along the vertical direction and are respectively and mutually engaged with the second gears 933, and the pressing plate 931 is horizontally welded to the top end of the column 932. One side that drives limiting plate 8 and keep away from lift groove 936 is provided with second spring 935, and second spring 935 is for driving the extension spring that limiting plate 8 kept away from lift groove 936 about, offers the holding tank that is used for holding second spring 935 on the lateral wall of spout. After a product is placed on the pressing plate 931, the upright 932 is pressed downwards to press the four second racks 934 to slide downwards, the reel 91 is driven to rotate through the meshing of the second racks 934 and the second gear 933, so that the steel cable 92 is wound, and the steel cable 92 drives the limiting plate 8 to slide to clamp and limit the product; after the product is taken down, the second spring 935 resets to drive the limiting plate 8 to drive the upright 932 to ascend, so that the pressing plate 931 returns to the initial position, and the worker can place the product next time conveniently.

The implementation principle of the irradiation workshop product conveying device in the embodiment of the application is as follows: drive arrangement 3 on the start frame 1 orders about roller 2 and begins to rotate, places the product on placing board 6, and the product pushes down clamp plate 931 under self action of gravity, and clamp plate 931 and stand 932 move down the in-process and drive reel 91 through the meshing drive of second rack 934 and second gear 933 and rotate, thereby reel 91 drives limiting plate 8 with the rolling of cable 92 and slides to the center of placing board 6 and press from both sides the product tightly, and roller 2 rotates and drives transport table 5 and move along frame 1. When the transport table 5 moves to the irradiation area, the roller 76 on the first rack 72 contacts with the inclined surface of the wedge block 75 and enables the friction plate 73 to leave the surface of the first gear 71, and the first rack 72 and the first gear 71 are meshed for transmission to drive the placing plate 6 to rotate, so that the periphery of a product can be irradiated by the irradiation device 10, and the irradiation efficiency of the device is effectively improved; when the transport table 5 leaves the irradiation area, the first rack 72 leaves the first gear 71, the friction plate 73 is pushed by the first spring 74 to contact with the top surface of the first gear 71, and the first gear 71 is decelerated until the rotation is stopped by friction force, so that a worker can conveniently replace the irradiated product. Through the scheme, the irradiation of the product by the irradiation device 10 can be uniformly carried out when the product enters the irradiation area, and the irradiation efficiency of the irradiation device 10 to the product is effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an irradiation workshop product conveyor, includes frame (1), it is provided with a plurality of rollers (2) to rotate in frame (1), and is a plurality of roller (2) are evenly arranged along the length direction of frame (1), are provided with in frame (1) and are used for driving roller (2) pivoted drive arrangement (3), be provided with irradiation apparatus (10) in frame (1), a certain section of frame (1) is located irradiation apparatus (10) below, its characterized in that: be provided with guide rail (4) on frame (1), it is provided with a plurality of transport table (5), a plurality of to slide on guide rail (4) the even interval of length direction of frame (1) sets up transport table (5), it is provided with places board (6) to rotate on transport table (5), the bottom of transport table (5) is provided with and is used for the drive to place board (6) pivoted first drive assembly (7), it is provided with limiting plate (8) to slide on board (6) to place, limiting plate (8) are provided with a plurality ofly along placing board (6) circumference, it is provided with second drive assembly (9) that are used for ordering about limiting plate (8) and are close to each other to place on board (6).

2. The irradiation plant product conveying apparatus according to claim 1, wherein: the first driving assembly (7) comprises a first gear (71) and a first rack (72), a groove (53) is formed in the bottom of the transport table (5), the first gear (71) is arranged in the groove (53) and is coaxially and fixedly connected with a rotating shaft of the placing plate (6), the first rack (72) is located in an irradiation area of the irradiation device (10) and is fixedly arranged on the rack (1), the first rack (72) is arranged along the length direction of the guide rail (4), and the first rack (72) is meshed with the first gear (71) when the placing plate (6) passes through the irradiation area of the irradiation device (10).

3. The irradiation plant product conveying apparatus according to claim 2, wherein: the utility model discloses a transport table, including transport table (5), be provided with on the slip of transport table (5) and be used for restricting first gear (71) pivoted friction disc (73), the top of friction disc (73) is provided with and is used for driving friction disc (73) and first gear (71) contact first spring (74), the one end of first spring (74) and the diapire fixed connection of transport table (5), the roof fixed connection of the other end and friction disc (73), be provided with wedge (75) that are used for with first rack (72) contact on friction disc (73), the inclined plane of wedge (75) is located the downstream edge of wedge (75).

4. An irradiation plant product transport apparatus as claimed in claim 3, wherein: one end, close to the feeding hole of the irradiation device (10), of the first rack (72) is provided with a roller (76) used for being in contact with the wedge block (75), and the axis of the roller (76) is horizontally arranged and is perpendicular to the first rack (72).

5. The irradiation plant product conveying apparatus according to claim 1, wherein: second drive assembly (9) are including reel (91) and cable wire (92), place on board (6) along self radially seted up a plurality of spouts (94), the bottom of limiting plate (8) slides and sets up in spout (94), in the one end and limiting plate (8) fixed connection, the other end of cable wire (92) are around establishing on reel (91), reel (91) set up the one end that is close to placing board (6) center in spout (94) along the width direction of spout (94), it is provided with drive reel (91) pivoted actuating portion (93) on board (6) to place.

6. The irradiation plant product conveying apparatus according to claim 5, wherein: the driving part (93) comprises a pressing plate (931), a second gear (933) and a second rack (934), a vertical column (932) is fixedly arranged at the bottom of the pressing plate (931), a lifting groove (936) matched with the vertical column (932) is formed in the center of the placing plate (6), the lifting groove (936) is communicated with a sliding groove (94), the second gear (933) is coaxially and fixedly connected with a winding drum (91), the second rack (934) is arranged on the vertical column (932) along the vertical direction, and the second rack (934) and the second gear (933) are meshed with each other.

7. The irradiation plant product conveying apparatus according to claim 5, wherein: one side that lifting groove (936) was kept away from to limiting plate (8) is provided with second spring (935), offer the holding tank that is used for holding second spring (935) on the lateral wall of spout (94), the lateral wall fixed connection of the one end of second spring (935) and holding tank, the other end and limiting plate (8) fixed connection.

8. The irradiation plant product conveying apparatus according to claim 1, wherein: the roller (2) is sleeved with an anti-skid sleeve (11).