Bottom opening door sample collector

Abstract

The utility model discloses a bottom opening door sample collector, and belongs to the technical field of sample collection. A shell is mounted on a weighing support; the turntable is rotationally mounted on a bottom plate of the shell; a plurality of uniformly distributed blanking holes are formed in the turntable; the driving assembly is used for driving the turntable to rotate; the plurality of collecting barrels are fixed in the blanking holes in a one-to-one correspondence manner; a feeding pipe matched with the collecting barrel is arranged on a top plate of the shell, and a discharging pipe matched with the collecting barrel is arranged on a bottom plate of the shell; the sealing plates seal the lower side surfaces of the blanking holes in a one-to-one correspondence manner; the control air cylinder is fixed to one side of the discharging pipe and used for pushing and pulling the sealing plate located above the discharging pipe. The combination of the turntable and the collecting barrels enables each collecting barrel to independently receive materials, the switching of the plurality of collecting barrels can be realized through the rotation of the turntable, the collecting efficiency is improved, and the quantitative collection of samples is realized by matching with the weighing sensor; the blanking hole can be smoothly opened and closed by controlling the air cylinder to be matched with the sealing plate, and the convenience of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample collection technical field, concretely relates to a bottom open door sample collector. BACKGROUND

[0002] In the field of sample collection, the bottom open door sample collector is a commonly used device, widely used in various laboratory mineral or metal sample preparation, chemical industry, pharmaceutical and food processing industries. Its core function is to efficiently collect, store and transfer samples to meet the needs of different sample processing. The bottom open door sample collector controls the discharge through the valve at the bottom, and the instability of the structure will directly affect the overall performance of the equipment and the user experience. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a bottom open door sample collector for improving the stability of the collector discharge.

[0004] The utility model adopts the following technical scheme: a bottom open door sample collector, including a weighing support and a shell installed on the weighing support, further comprising:

[0005] A turntable is rotatably installed on the bottom plate of the shell. A plurality of discharge holes are formed on the turntable and are uniformly distributed around the rotation center of the turntable.

[0006] A drive assembly is used to drive the rotation of the turntable.

[0007] A plurality of collection barrels are fixed one by one in the discharge holes on the turntable. The upper and lower ends of the collection barrels are open. A feed pipe matched with the collection barrels is arranged on the top plate of the shell, and a discharge pipe matched with the collection barrels is arranged on the bottom plate of the shell.

[0008] A plurality of sealing plates are slidably installed on the lower side of the turntable. The sealing plates are one by one sealed on the lower side of the discharge hole.

[0009] A control cylinder is fixed on one side of the discharge pipe and is used to push and pull the sealing plate above the discharge pipe.

[0010] Further, a rotary table is fixed on the bottom plate of the shell, and the turntable is fixed on the rotary table.

[0011] The drive assembly includes a rotating shaft fixedly connected at the center of the turntable. The upper end of the rotating shaft penetrates the top plate of the shell. A motor is fixedly connected with the upper end of the rotating shaft.

[0012] The two sides of the sealing plate have protruding guide strips, and the lower side of the turntable is provided with dovetail type sliding grooves. The guide strips on both sides of the sealing plate are slidably installed in the sliding grooves of the turntable.

[0013] The outer side end of the sealing plate is provided with a pair of elastic rods; a gap is formed between the two elastic rods, and an arc-shaped positioning groove is formed on the side of the two elastic rods away from each other;

[0014] A pair of limiting round head bolts are fixed in the chute and matched with the two elastic rods; when the sealing plate is sealed on the lower side of the blanking hole, the two limiting round head bolts are respectively embedded in the arc-shaped positioning grooves on the sides of the two elastic rods.

[0015] The lower side of the sealing plate is fixed with a cross bar, and the force receiving end of the cross bar extends out of the sealing plate and is matched with the piston rod end of the control cylinder.

[0016] The piston rod end of the control cylinder is provided with a sunken groove, and a U-shaped poking piece is fixed in the sunken groove and used for poking the force receiving end of the cross bar.

[0017] The force receiving column is rotatably installed on the lower side of the force receiving end of the cross bar; and the force receiving column of the sealing plate above the discharging pipe is located in the U-shaped poking piece.

[0018] A weighing sensor is fixed at each corner of the weighing support, and the shell is installed on the four weighing sensors.

[0019] The upper end of the blanking hole is provided with a stopper, and the collecting barrel is matched and installed in the stopper of the blanking hole; one side of the collecting barrel is fixed with a connecting lug, and the connecting lug is fixedly connected with the rotating disc through bolts.

[0020] The combination of the rotating disc and the collecting barrel enables each collecting barrel to independently receive materials, the switching of the multiple collecting barrels can be realized through the rotation of the rotating disc, the collection efficiency is improved, and the quantitative collection of samples is realized by cooperating with the weighing sensor; the elastic rods on the outer side end of the sealing plate are matched with the limiting round head bolts in the chute, so that the sealing plate can be stably sealed on the lower side of the blanking hole during the rotation of the rotating disc; the control cylinder controls the sealing plate through the U-shaped poking piece and the force receiving column, and the switching of the three states of the near position, the middle position and the far position avoids the interference between the U-shaped poking piece and the force receiving column during the rotation of the rotating disc, and improves the safety of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1It is the front view of the bottom opening door sample collector.

[0023] Figure 2 It is the three-dimensional schematic view of the internal structure of the bottom opening door sample collector.

[0024] Figure 3 It is the structural schematic view of the bottom of the turntable.

[0025] Figure 4 It is Figure 3 It is the enlarged view of A in the middle.

[0026] Figure 5 It is the assembly structural schematic view of the control cylinder and the sealing plate.

[0027] Explanation of reference signs:

[0028] 1, the weighing support; 11, the weighing sensor;

[0029] 2, the shell; 21, the feeding pipe; 22, the top plate; 23, the bottom plate; 24, the discharging pipe; 25, the rotary table;

[0030] 3, the rotary table; 31, the blanking hole; 32, the chute;

[0031] 4, the driving assembly; 41, the rotating shaft; 42, the motor;

[0032] 5, the collection barrel; 51, the connecting lug;

[0033] 6, the sealing plate; 61, the cross bar; 62, the stress column; 63, the elastic rod; 631, the arc-shaped positioning groove; 64, the limiting round head bolt;

[0034] 7, the control cylinder; 71, the U-shaped toggle. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0036] Embodiment one:

[0037] As Figures 1 to 3The utility model provides a kind of bottom opening door sample collector, mainly including weighing support 1 and shell 2 being installed on weighing support 1. Shell 2 side is equipped with box door, and the bottom plate 23 of shell 2 is rotatably installed carousel 3. Carousel 3 is equipped with 6 blanking holes 31 that are evenly distributed around the rotation center of carousel 3, and blanking hole 31 penetrates carousel 3 from top to bottom, and the upper end of blanking hole 31 is equipped with a stop. Six collecting barrels 5 are fixed in blanking hole 31 one by one, and the upper end and lower end of collecting barrel 5 are both open, and the lower end of collecting barrel 5 is matched with the stop of blanking hole 31. Connecting lug 51 is fixed on the side of collecting barrel 5, and connecting lug 51 is fixedly connected with carousel 3 by bolt.

[0038] The top plate 22 of shell 2 is provided with a feeding pipe 21 matched with the collecting barrel 5 of feeding position, and the bottom plate 23 of shell 2 is provided with a discharging pipe 24 matched with the collecting barrel 5 of discharging position. The lower side of each blanking hole 31 is provided with a sealing plate 6 for plugging the lower end of the collecting barrel 5. The control cylinder 7 is fixed on the bottom plate 23 on the side of the discharging pipe 24, which is used to push and pull the sealing plate 6 at the feeding position to realize the discharging of the collecting barrel 5. The shell 2 is provided with a driving assembly 4 for driving the carousel 3 to rotate, and the predetermined collecting barrel 5 can be controlled to be opposite to the feeding pipe 21 or the discharging pipe 24 by the driving assembly 4 to realize the feeding and discharging of the collecting barrel 5.

[0039] Further combination Figure 4 And Figure 5 As shown, the sliding installation structure of the sealing plate 6 is:

[0040] A dovetail type sliding groove 32 is formed on the lower side of the carousel 3, and the blanking hole 31 is located at the outer end of the sliding groove 32; the sealing plate 6 has protruding guide strips on both sides, and the guide strips on both sides of the sealing plate 6 are slidingly installed in the sliding groove 32 of the carousel 3; when the sealing plate 6 slides along the sliding groove 32 to the inner end, the blanking hole 31 is opened; when the sealing plate 6 slides along the sliding groove 32 to the outer end, the blanking hole 31 is closed.

[0041] In order to ensure the stability of the closed state of the sealing plate 6, the outer end of the sealing plate 6 has a pair of elastic rods 63 in this embodiment, and the two elastic rods 63 have a gap therebetween, so that the outer end of the elastic rod 63 can be bent inward. An arc-shaped positioning groove 631 is formed on the side surface of the two elastic rods 63 away from each other. A pair of limit head bolts 64 are fixed in the outer position of the sliding groove 32, and when the sealing plate 6 is in the closed state, the sealing plate 6 is plugged on the lower side of the blanking hole 31, and the two limit head bolts 64 are respectively embedded in the arc-shaped positioning grooves 631 on the side surfaces of the two elastic rods 63, so that the sealing plate 6 can be stably plugged on the lower side of the blanking hole 31 during the rotation of the carousel 3.

[0042] Combination Figure 2 And Figure 5 As shown, the control cylinder 7 is used to control the opening and closing of the sealing plate 6 at the discharging position:

[0043] The arrangement direction of the control cylinder 7 is parallel to the sliding direction of the sealing plate 6 in the discharging position, the piston rod end of the control cylinder 7 is provided with a sunken groove, and a U-shaped toggle 71 is fixed in the sunken groove. The piston rod end of the control cylinder 7 has three states of proximal position, middle position and distal position. The lower side of the sealing plate 6 is fixed with a crossbar 61, the force receiving end of the crossbar 61 extends out of the sealing plate 6, and a force receiving column 62 is rotatably installed on the lower side of the force receiving end of the crossbar 61. When the sealing plate 6 is in the discharging position, the piston rod end of the control cylinder 7 is in the middle position, the force receiving column 62 is located in the U-shaped toggle 71, and does not contact the two sides of the U-shaped toggle 71.

[0044] Example two:

[0045] On the basis of the above-mentioned example one, in combination with Figure 1 As shown in the figure, the rotary table 25 is fixed at the center of the bottom plate 23, and the rotating disc 3 is fixed on the rotary table 25, so that the rotating disc 3 can rotate around the axis of the rotary table 25. The driving assembly 4 includes a rotating shaft 41 and a motor 42, the lower end of the rotating shaft 41 is fixedly connected at the axis of the rotating disc 3, and the upper end of the rotating shaft 41 penetrates out of the top plate 22; the motor 42 is fixed on the upper side of the top plate 22, and the output end of the motor 42 is fixedly connected with the upper end of the rotating shaft 41.

[0046] Example three:

[0047] On the basis of the above-mentioned example two, in combination with Figure 1 As shown in the figure, a weighing sensor 11 is fixed at each corner position of the weighing support 1, and the shell 2 is installed on the four weighing sensors 11, so that the weight of the entire shell 2 can be measured in real time through the four weighing sensors 11, and then the weight of the material entering the collecting barrel 5 is obtained, which is convenient for realizing the quantitative collection of samples.

[0048] Working process:

[0049] When feeding, the rotating shaft 41 and the rotating disc 3 are driven to rotate by the motor 42, so that the predetermined collecting barrel 5 enters the feeding position, i.e. below the feeding pipe 21; the material is conveyed, so that the material enters the predetermined collecting barrel 5 through the feeding pipe 21; then the rotating disc 3 is rotated again, so that the material can be conveyed to other collecting barrels 5;

[0050] When discharging, the rotating shaft 41 and the rotating disc 3 are driven to rotate by the motor 42, so that the predetermined collecting barrel 5 enters the discharging position, i.e. above the discharging pipe 24; at this time, the force bearing column 62 of the discharging position is located in the U-shaped toggle 71; the control cylinder 7 is started, and the piston rod end of the control cylinder 7 pushes the force bearing column 62 through the U-shaped toggle 71, drives the horizontal rod 61 and the sealing plate 6 to move inward; when the piston rod of the control cylinder 7 is in the remote position, the blanking hole 31 is completely opened, and all the materials in the collecting barrel 5 are discharged through the discharging pipe 24; then, the piston rod of the control cylinder 7 is retracted to the near position, and the sealing plate 6 is in the closed state again, at this time, the elastic rod 63 at the end of the sealing plate 6 just clamps the two limit round head bolts 64; finally, the piston rod of the control cylinder 7 is extended to the middle position, so as to avoid the interference between the U-shaped toggle 71 and the force bearing column 62 during rotation.

[0051] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A bottom-opening sample collector comprising a weighing support (1) and a housing (2) mounted on the weighing support (1), characterized in that, Also include: Rotary disc (3), rotary installed on the bottom plate (23) of the shell (2); The rotary disc (3) is provided with a plurality of blanking holes (31) which are uniformly distributed around the rotation center of the rotary disc (3); Driving assembly (4) for driving the rotary disc (3) to rotate; A plurality of collection barrels (5) are fixed one by one in the blanking holes (31) on the rotary disc (3); The upper and lower ends of the collection barrel (5) are open, and the feeding pipe (21) matched with the collection barrel (5) is arranged on the top plate (22) of the shell (2), and the discharge pipe (24) matched with the collection barrel (5) is arranged on the bottom plate (23) of the shell (2); A plurality of sealing plates (6) are slidably installed on the lower side of the rotary disc (3); The sealing plate (6) is correspondingly sealed on the lower side of the blanking hole (31); Control cylinder (7) is fixed on one side of the discharge pipe (24), which is used for pushing and pulling the sealing plate (6) above the discharge pipe (24).

2. A bottom-opening door sample collector according to claim 1, characterized in that: The bottom plate (23) of the shell (2) is fixed with a rotary table (25), and the rotary disc (3) is fixed on the rotary table (25).

3. A bottom-opening door sample collector according to claim 1, characterized in that: The driving assembly (4) includes a rotating shaft (41) fixedly connected at the center of the rotary disc (3), and the upper end of the rotating shaft (41) penetrates through the top plate (22) of the shell (2); The top plate (22) is fixed with a motor (42) connected with the upper end of the rotating shaft (41).

4. A bottom-opening door sample collector according to claim 1, characterized in that: The two sides of the sealing plate (6) have protruding guide strips, and the lower side of the rotary disc (3) is provided with dovetail type sliding grooves (32), and the guide strips on both sides of the sealing plate (6) are slidably installed in the sliding grooves (32) of the rotary disc (3).

5. A bottom-opening door sample collector according to claim 4, characterized in that: The outer side of the sealing plate (6) has a pair of elastic rods (63); The two elastic rods (63) have a gap therebetween, and the side face away from each other of the two elastic rods (63) is provided with an arc-shaped positioning groove (631); A pair of limiting round head bolts (64) matched with the two elastic rods (63) are fixed in the sliding groove (32); When the sealing plate (6) is sealed on the lower side of the blanking hole (31), the two limiting round head bolts (64) are respectively embedded in the arc-shaped positioning grooves (631) on the side faces of the two elastic rods (63).

6. A bottom-opening door sample collector according to claim 1, characterized in that: The lower side of the sealing plate (6) is fixed with a cross bar (61), and the stress end of the cross bar (61) extends out of the sealing plate (6) and cooperates with the piston rod end of the control cylinder (7).

7. A bottom-opening door sample collector according to claim 6, characterized in that: The piston rod end of the control cylinder (7) is provided with a sunken groove, and a U-shaped tab (71) for pushing the stress end of the cross bar (61) is fixed in the sunken groove.

8. A bottom-opening door sample collector according to claim 7, characterized in that: The stress column (62) is rotatably installed on the lower side of the stress end of the cross bar (61); The stress column (62) of the sealing plate (6) above the discharge pipe (24) is located in the U-shaped tab (71).

9. A bottom-opening door sample collector according to claim 1, characterized in that: Four corners of the weighing support (1) are respectively fixed with a weighing sensor (11), and the shell (2) is installed on the four weighing sensors (11).

10. A bottom-opening door sample collector according to claim 1, characterized in that: The blanking hole (31) is provided with a stopper at the upper end, and the collecting barrel (5) is fitted and installed in the stopper of the blanking hole (31); one side of the collecting barrel (5) is fixed with a connecting lug (51), and the connecting lug (51) is fixedly connected with the rotating disc (3) through bolts.

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