CN212151576U

CN212151576U - Pneumatic filling machine

Info

Publication number: CN212151576U
Application number: CN202020831763.1U
Authority: CN
Inventors: 蒋林烽; 戴江峰
Original assignee: Shaoxing Jinkui Daily Chemical Products Co ltd
Current assignee: Shaoxing Jinkui Daily Chemical Products Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-15
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of the technique of liquid material filling and specifically relates to a pneumatic liquid filling machine is related to, which comprises a frame, be provided with the delivery outlet that is used for the ejection of compact in the frame, be connected with the platform of placing that is used for placing the filling bottle on the frame lateral wall, place the platform and be located the delivery outlet below, set up flutedly in the frame, it is connected with the connecting block to place the bench, the connecting block slides and connects in the recess, be provided with the lifting unit who drives the connecting block and go up and down in the frame, lifting unit includes rack and gear, rack and connecting block fixed connection, wheel and rack toothing, be connected with on the gear and drive gear revolve's dwang, be connected with the. The utility model discloses a setting up of lifting unit makes the elevating platform can adjust the delivery outlet to placing the distance between the platform according to the height dimension of filling bottle, makes pneumatic filling machine can carry out the filling to multiple different height dimension's filling bottle.

Description

Pneumatic filling machine

Technical Field

The utility model belongs to the technical field of the technique of liquid material filling and specifically relates to a pneumatic liquid filling machine is related to.

Background

The pneumatic filling machine is a device for filling by using compressed gas as a power source, and objects in the forms of liquid, gas, paste, powder and the like are filled into a container. The pneumatic filling machine can fill the liquid fragrance into the filling bottles.

The Chinese utility model patent with the publication number of CN208053692U discloses a vertical pneumatic filling machine, which comprises a filling mechanism, wherein the filling mechanism comprises a control module, a temporary storage cavity, a suction mechanism and an extrusion mechanism, and an input port of the filling mechanism is arranged at the cavity wall of the temporary storage cavity and is provided with a check valve; the suction mechanism is connected with the temporary storage cavity through a suction tube; when filling operation is carried out, the check valve conducts an input port of the filling mechanism, the suction mechanism drives the suction tube to suck materials to be filled with preset temporary storage quantity into the temporary storage cavity, then the check valve closes the input port of the filling mechanism, the suction mechanism reversely drives the suction tube to apply pressure to the materials to be filled in the temporary storage cavity, and the extrusion mechanism extracts the materials in the temporary storage cavity according to the preset filling quantity and guides the materials into an external packaging container; the utility model discloses a can conveniently carry out the filling of small batch to the high value material of high viscosity, and be difficult for influencing the pleasing to the eye degree of finished product and packing volume because of the bubble, can clear up the maintenance to equipment conveniently moreover.

The utility model discloses a when carrying out the filling to the filling bottle, the check valve switches on filling mechanism's input port, inhales mechanism's drive suction tube and inhales the intracavity of temporarily storing to the filling material of treating of predetermineeing the temporary storage volume, then filling mechanism's input port is closed to the check valve, inhales mechanism's back drive suction tube and exerts pressure to the filling material of treating of temporarily storing the intracavity, and extrusion mechanism draws the material of temporarily storing the intracavity and with its leading-in filling bottle according to predetermineeing the filling volume.

In this process, generally place the platform at the delivery outlet below fixedly connected with of filling device, the operation workman places the filling bottle at placing bench, and liquid flows out to the filling bottle back in from the delivery outlet, and the operation workman will be equipped with the filling bottle of liquid again and take out from placing bench.

The above prior art solutions have the following drawbacks: when the height dimension of filling bottle changed, place the platform and can not adjust according to the height of filling bottle, make this pneumatic liquid filling machine can not the filling of multiple different height dimension's filling bottle. When the height of the filling bottle is reduced, the distance from the filling bottle to the output port is large, and the liquid flowing out of the output port is easy to deviate from the direction of the bottle mouth of the filling bottle under the conditions of wind power and air pressure, so that the liquid cannot well enter the filling bottle, and the liquid is wasted; when the high size grow of filling bottle, make the delivery outlet to the height that places the distance between the platform and be less than the filling bottle, make the filling bottle be difficult for placing and carry out the filling in placing the bench, increase the operation degree of difficulty.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a pneumatic liquid filling machine makes the elevating platform can adjust the delivery outlet to placing the distance between the platform according to the height dimension of filling bottle through setting up of lifting unit, makes pneumatic liquid filling machine can carry out the filling to the filling bottle of multiple different height dimensions.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pneumatic liquid filling machine, includes the frame, be provided with the delivery outlet that is used for the ejection of compact in the frame, be connected with the platform of placing that is used for placing the filling bottle on the frame lateral wall, it is located the delivery outlet below to place the platform, set up flutedly in the frame, it is connected with the connecting block to place the bench, the connecting block slides and connects in the recess, be provided with the lifting unit who drives the connecting block and go up and down in the frame, lifting unit includes rack and gear, rack and connecting block fixed connection, wheel and rack toothing, be connected with on the gear and drive gear revolve's dwang, be connected with the handle on the dwang, be provided with in the frame and prevent handle pivoted.

Through adopting above-mentioned technical scheme, when the height dimension of filling bottle diminishes, open spacing subassembly, the twist grip drives gear revolve, gear revolve drives the rack and rises, the rack rises to drive the connecting block and rises along recess length direction, the connecting block rises to make and places the platform and rise, thereby the distance that makes between placing platform and the delivery outlet diminishes, make the distance between filling bottle and the delivery outlet shorten, reduce the influence of wind-force and atmospheric pressure to the liquid that flows from the delivery outlet, make in liquid gets into the filling bottle betterly, reduce the waste of liquid. When the height dimension grow of filling bottle, open spacing subassembly, turning handle drives gear revolve, and gear revolve drives the rack and descends, and the rack descends and drives the connecting block and descend along recess length direction, and the connecting block descends to make and places the platform and descend, makes the distance grow between placing platform and the delivery outlet, makes the great filling bottle of height dimension can easily place and carry out the filling in placing the bench, reduces the operating personnel degree of difficulty of operating. The setting up of lifting unit makes the elevating platform can adjust the delivery outlet to placing the distance between the platform according to the height dimension of filling bottle, makes pneumatic filling machine can carry out the filling to the filling bottle of multiple different height dimensions.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a bolt and a limiting disc, the handle is eccentrically provided with a second connecting hole, the limiting disc is fixedly connected to the outer side wall of the rack, a plurality of limiting holes distributed along the circumferential direction of the limiting disc are formed in the limiting disc, and the bolt penetrates through the second connecting hole and then is in plug-in fit with the limiting holes.

Through adopting above-mentioned technical scheme, after the handle rotation finishes, need carry on spacingly to the handle, prevent that the operation workman from touching the handle by mistake and causing the handle to rotate to avoid finishing the back handle rotation at altitude mixture control and drive the rack lift, and then drive and place the platform and go up and down. When the handle is limited, the plug pin penetrates through a second connecting hole in the handle and then is in plug fit with the limiting hole; when the handle needs to be rotated, the bolt is pulled out from the limiting hole, and then the handle can be rotated.

The present invention may be further configured in a preferred embodiment as: the plug pin is provided with a tight component for tightly abutting the plug pin on the limiting hole, the tight component comprises a compression spring and a tight abutting block, the tight abutting block is fixedly connected to the plug pin and located between the handle and the limiting disc, one end of the compression spring abuts against one end face, far away from the limiting disc, of the tight abutting block, and the other end of the compression spring abuts against one end, close to the limiting disc, of the handle.

Through adopting above-mentioned technical scheme, when spacing the handle, the bolt passes behind the second connecting hole on the handle and pegs graft with spacing hole and cooperate, compression spring applys elastic force to the piece of supporting and the handle one end that is close to spacing dish, and be connected through the bearing between dwang on the handle and the frame, handle axial fixity connects on the dwang, then compression spring applys the elastic force that is close to spacing dish direction to the piece of supporting, further make the bolt afterbody support tightly in spacing downthehole, guarantee to have better joint strength between bolt and the spacing hole. When the handle needs to be rotated, the bolt is moved towards the direction far away from the limiting disc, the tail part of the bolt is pulled out of the limiting hole, the handle can be rotated, and the bolt can be effectively prevented from being lost in the process.

The present invention may be further configured in a preferred embodiment as: the placing table is provided with a through hole which is coaxial with the output port, and the diameter of the through hole is larger than the inner diameter of the output port.

Through adopting above-mentioned technical scheme, when the delivery outlet ejection of compact, the operation workman does not in time place the filling bottle in placing the bench, and the setting up of through-hole makes liquid directly drop from the through-hole after flowing out from the delivery outlet, reduces liquid long-pending stay in placing bench surface on, and then avoids liquid long-pending stay to lead to placing bench surface coefficient of friction to reduce to a certain extent, reduces the smooth possibility of falling of filling bottle.

The present invention may be further configured in a preferred embodiment as: the placing table is provided with a collecting device below for collecting liquid flowing out from the through hole, the collecting device comprises a collecting bag and a supporting frame for supporting the collecting bag, and the supporting frame is connected to the rack.

By adopting the technical scheme, the liquid flowing out of the through hole is collected into the collecting bag, so that the liquid flowing out of the through hole is prevented from flowing to the ground, and the ground is prevented from being polluted; the support frame struts the collection bag and plays a certain positioning role for the collection bag.

The present invention may be further configured in a preferred embodiment as: the support frame is provided with a clamp for positioning the collection bag.

Through adopting above-mentioned technical scheme, the setting of clip further plays the effect of location collection bag, prevents to collect the bag and drops from the support frame, makes to collect the bag and collects the liquid that drops from placing the bench.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the output port is sleeved with a guide pipe, and the guide pipe is provided with a locking assembly which fixedly connects the guide pipe to the output port; locking Assembly includes clamp and locking bolt, the clamp includes first clamp piece and second clamp piece, first clamp piece is articulated with second clamp piece, first clamp piece is connected on the guiding tube lateral wall with second clamp piece, the first fixed block of one end fixedly connected with of first clamp piece and second clamp piece pin joint is kept away from to first clamp piece, the one end fixedly connected with second fixed block of first clamp piece and second clamp piece pin joint is kept away from to second clamp piece, locking bolt has lock nut through threaded connection behind first fixed block and the second fixed block.

Through adopting above-mentioned technical scheme, the setting of guiding tube has the effect of guide liquid outflow direction to when placing the platform and adjusting to the highest, filling bottle still has certain distance to the delivery outlet between, the longer guiding tube of length is changed to the accessible, and the one end that makes the guiding tube keep away from the delivery outlet is suitable to the distance of filling bottle bottleneck, further reduces wind-force and atmospheric pressure to the influence from the liquid of delivery outlet outflow, makes in liquid gets into the filling bottle betterly, reduces the waste of liquid. When the guiding tube is installed, the guiding tube is firstly sleeved on the outer side wall of the output port, then the clamp is connected to the outer side wall of the guiding tube, the locking bolt penetrates through the first fixing block and the second fixing block and then is connected with the locking nut in a threaded mode, the guiding tube is fixedly connected to the output port through the locking bolt and the clamp, and the guiding tube is prevented from falling off from the output port to a certain extent.

The present invention may be further configured in a preferred embodiment as: the delivery outlet is coated with drainage cloth which is positioned between the guide pipe and the delivery outlet.

Through adopting above-mentioned technical scheme, the setting up of drainage cloth makes the guiding tube be connected with the delivery outlet better to drainage cloth can filter the liquid that flows from the delivery outlet, reduces the impurity in the liquid behind the drainage cloth.

The present invention may be further configured in a preferred embodiment as: the placing table is provided with a third through hole, the connecting block is provided with a second threaded hole, the third through hole is connected with a fastening bolt, and the fastening bolt penetrates through the third through hole and then is in threaded connection with the second threaded hole.

Through adopting above-mentioned technical scheme, when placing the platform and taking place the damage after long-term the use, the operation workman will twist fastening bolt earlier and send the back and take off, will place the platform again and take off from the connecting block, then more renewedly place the platform, will place the platform and place on the connecting block, make the third perforation align with the second screw hole, pass fastening bolt again the third perforation after with second screw hole threaded connection, make newly place the platform fixed connection on the connecting block can, make and place the platform and change convenient simple.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the lifting platform can adjust the distance between the output port and the placing platform according to the height of the filling bottles through the arrangement of the lifting assembly, so that the pneumatic filling machine can fill various filling bottles with different heights;

2. when the handle is limited, the bolt penetrates through a second connecting hole in the handle and then is in plug fit with the limiting hole, the compression spring applies elastic acting force to the abutting block and one end of the handle close to the limiting disc, the compression spring applies elastic acting force to the abutting block in the direction close to the limiting disc, the tail of the bolt is further abutted in the limiting hole, and good connecting strength between the bolt and the limiting hole is guaranteed;

3. when the placing table is damaged after long-term use, the placing table can be replaced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the outlet structure showing the structure of the diverter cloth, guide tube and locking assembly;

FIG. 3 is a schematic view of the locking assembly;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 1, illustrating the construction of the lift assembly;

FIG. 5 is a schematic view of the lifting assembly and the limiting assembly;

FIG. 6 is a schematic view of a gear and a retaining member;

fig. 7 is an exploded view of the collection device structure showing the shape of the support frame.

In the figure, 1, a frame; 11. a groove; 12. connecting blocks; 13. a slide rail; 14. a first connection hole; 2. an output port; 21. drainage cloth; 22. a guide tube; 3. a locking assembly; 31. locking the bolt; 311. locking the nut; 4. clamping a hoop; 41. a first clamp block; 411. a first fixed block; 42. a second clamp block; 421. a second fixed block; 5. a lifting assembly; 51. a rack; 511. a chute; 52. a gear; 521. rotating the rod; 522. a handle; 6. a limiting component; 61. a bolt; 62. a limiting disc; 621. a limiting hole; 7. a propping component; 71. a compression spring; 72. a propping block; 8. a placing table; 81. a through hole; 82. fastening a bolt; 9. a collection device; 91. a collection bag; 92. a support frame; 93. and (4) a clamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a pneumatic filling machine, including frame 1, frame 1 sets up into the cuboid shape.

Referring to fig. 1 and 2, an output port 2 for discharging is fixedly connected to the frame 1, a drainage cloth 21 is wrapped at the bottom end of the output port 2, and a guide pipe 22 is sleeved outside the drainage cloth 21. The outer side wall of the guide tube 22 is provided with a locking assembly 3, and the locking assembly 3 comprises a clamp 4 and a locking bolt 31.

Referring to fig. 2 and 3, the clamp 4 includes a first clamp block 41 and a second clamp block 42, the first clamp block 41 is hinged to the second clamp block 42, a first fixing block 411 is integrally disposed at one end of the first clamp block 41 away from a hinge point of the first clamp block 41 and the second clamp block 42, and a second fixing block 421 is integrally disposed at one end of the second clamp block 42 away from a hinge point of the first clamp block 41 and the second clamp block 42. The first fixing block 411 is provided with a first through hole (not shown in the figure) for the locking bolt 31 to pass through, the second fixing block 421 is provided with a second through hole (not shown in the figure) for the locking bolt 31 to pass through, the locking bolt 31 is connected with the locking nut 311 through the first through hole and the second through hole in a threaded manner, and an end face of the locking nut 311 close to the second fixing block 421 abuts against the second fixing block 421.

Referring to fig. 1 and 4, a groove 11 is formed in the frame 1 and arranged in the height direction of the frame 1, a connecting block 12 is connected to the groove 11 in a sliding manner, the connecting block 12 is located below the guide tube 22, and a lifting assembly 5 for driving the connecting block 12 to lift is arranged on the frame 1.

Referring to fig. 4 and 5, the lifting assembly 5 includes a rack 51 and a gear 52, the rack 51 and the gear 52 are both disposed in the rack 1, the rack 51 is fixedly connected with the connecting block 12, the rack 1 is provided with a slide rail 13 fixedly connected on the inner side wall of one side of the groove 11, the rack 51 is provided with a slide groove 511 slidably matched with the slide rail 13, and the cross sections of the slide rail 13 and the slide groove 511 are both set to be T-shaped.

Gear 52 and rack 51 meshing, coaxial fixedly connected with dwang 521 on the gear 52, the length direction of dwang 521 and the length direction parallel arrangement of connecting block 12, frame 1 is seted up and has been seted up first connecting hole 14 on the lateral wall of one side of recess 11, dwang 521 passes through the bearing with first connecting hole 14 and is connected, the one end that gear 52 was kept away from to dwang 521 is worn out first connecting hole 14 back an organic whole and is provided with handle 522, handle 522 sets to cylindrically, and with the coaxial setting of dwang 521.

Referring to fig. 5 and 6, the rack 1 is provided with a limiting component 6, the limiting component 6 includes a bolt 61 and a limiting disc 62, the limiting disc 62 is fixedly connected to the outer side wall of one side of the rack 1 provided with the groove 11, and the limiting disc 62 is provided with a plurality of limiting holes 621 uniformly distributed along the same circumference of the limiting disc 62. The handle 522 is provided with a second connecting hole which is eccentrically arranged, and the bolt 61 passes through the second connecting hole and then is in inserting fit with the limiting hole 621.

The bolt 61 is provided with a resisting component 7, and the resisting component 7 comprises a compression spring 71 and a resisting block 72. The abutting block 72 is coaxially and fixedly connected to the bolt 61, and the abutting block 72 is located between the handle 522 and the limiting plate 62. One end of the compression spring 71 abuts against one end face of the abutting block 72 far away from the limiting disc 62, and the other end abuts against one end of the handle 522 close to the limiting disc 62.

Referring to fig. 1, a placing table 8 is connected to the connecting block 12, a third through hole (not shown in the third through hole) is formed in the placing table 8 and arranged in the vertical direction, a second bolt hole (not shown in the second bolt hole) is formed in the connecting block 12 and arranged in the vertical direction, a fastening bolt 82 is connected to the third through hole, and the fastening bolt 82 penetrates through the third through hole from top to bottom and then is in threaded connection with the second threaded hole. The placing table 8 is provided with a through hole 81 coaxially arranged with the output port 2, and the diameter of the through hole 81 is larger than the inner diameter of the guide pipe 22.

Referring to fig. 1 and 7, a collecting device 9 is arranged below the placing table 8, the collecting device 9 includes a collecting bag 91 and a support frame 92, the support frame 92 is configured as a rectangular frame, the collecting bag 91 is placed in the support frame 92, the upper end of the collecting bag 91 is turned out of the support frame 92, and a clamp 93 for positioning the collecting bag 91 on the support frame 92 is connected to the wide side of the support frame 92.

The implementation principle of the embodiment is as follows:

when the height dimension of filling bottle diminishes, earlier with bolt 61 to the direction removal of keeping away from spacing dish 62, make the spacing hole 621 of bolt 61 afterbody extract, turning handle 522 drives gear 52 and rotates, gear 52 rotates and drives rack 51 and rises, rack 51 rises and drives connecting block 12 along 11 length direction of recess and rise, connecting block 12 rises and makes and place platform 8 and rise, thereby the distance that makes between placing platform 8 and the delivery outlet 2 diminishes, make the distance between filling bottle and the delivery outlet 2 shorten. Then, the plug pin 61 penetrates through the second connecting hole on the handle 522 and then is in inserting fit with the limiting hole 621, and the compression spring 71 applies elastic acting force to the abutting block 72 in the direction close to the limiting disc 62, so that the tail of the plug pin 61 abuts against the limiting hole 621.

When the height dimension grow of filling bottle, earlier with bolt 61 to the direction removal of keeping away from spacing dish 62, make bolt 61 afterbody extract spacing hole 621, rotate handle 522 again and drive gear 52 and rotate, gear 52 rotates and drives rack 51 decline, rack 51 decline drives connecting block 12 along 11 length direction decline, connecting block 12 decline makes and places platform 8 decline, makes the distance grow between placing platform 8 and the delivery outlet 2. Then, the plug pin 61 penetrates through the second connecting hole on the handle 522 and then is in inserting fit with the limiting hole 621, and the compression spring 71 applies elastic acting force to the abutting block 72 in the direction close to the limiting disc 62, so that the tail of the plug pin 61 abuts against the limiting hole 621.

When placing platform 8 and taking place the damage after using for a long time, the operation workman will twist fastening bolt 82 earlier and send the back and take off, will place platform 8 again and take off from connecting block 12, then more new platform 8 of placing will place platform 8 and place on connecting block 12, make the third perforation align with the second screw hole, pass fastening bolt 82 again behind the third perforation with second screw hole threaded connection, make new platform 8 fixed connection of placing on connecting block 12 can.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pneumatic liquid filling machine, includes frame (1), be provided with delivery outlet (2) that are used for the ejection of compact in frame (1), be connected with on frame (1) lateral wall and be used for placing filling bottle place platform (8), place platform (8) and be located delivery outlet (2) below, its characterized in that: the utility model discloses a spacing assembly of handle, including frame (1), place and be connected with connecting block (12) on platform (8), connecting block (12) slide and connect in recess (11), be provided with lifting unit (5) that drive connecting block (12) go up and down on frame (1), lifting unit (5) are including rack (51) and gear (52), rack (51) and connecting block (12) fixed connection, gear (52) and rack (51) meshing, be connected with on gear (52) and drive gear (52) pivoted dwang (521), be connected with handle (522) on dwang (521), be provided with on frame (1) and prevent handle (522) pivoted spacing assembly (6).

2. A pneumatic filling machine as defined in claim 1 wherein: spacing subassembly (6) are including bolt (61) and spacing dish (62), it is provided with the second connecting hole to have seted up the eccentric on handle (522), spacing dish (62) fixed connection is on frame (1) lateral wall, a plurality of spacing holes (621) along spacing dish (62) circumference distribution have been seted up on spacing dish (62), bolt (61) pass behind the second connecting hole with spacing hole (621) the cooperation of pegging graft.

3. A pneumatic filling machine as defined in claim 2 wherein: be provided with on bolt (61) and support tight subassembly (7) on spacing hole (621) with bolt (61), support tight subassembly (7) including compression spring (71) and support tight piece (72), support tight piece (72) fixed connection on bolt (61), just support tight piece (72) and be located between handle (522) and spacing dish (62), compression spring (71) one end and support tight piece (72) keep away from the one end terminal surface butt of spacing dish (62), the other end and handle (522) are close to the one end butt of spacing dish (62).

4. A pneumatic filling machine as defined in claim 1 wherein: the placing table (8) is provided with a through hole (81) which is coaxial with the output port (2), and the diameter of the through hole (81) is larger than the inner diameter of the output port (2).

5. A pneumatic filling machine as defined in claim 4 wherein: a collecting device (9) used for collecting liquid flowing out of the through hole (81) is arranged below the placing table (8), the collecting device (9) comprises a collecting bag (91) and a supporting frame (92) used for supporting the collecting bag (91), and the supporting frame (92) is connected to the rack (1).

6. A pneumatic filling machine as defined in claim 5 wherein: the supporting frame (92) is provided with a clamp (93) used for positioning the collecting bag (91).

7. A pneumatic filling machine as defined in claim 1 wherein: a guide pipe (22) is sleeved on the outer side wall of the output port (2), and a locking assembly (3) for fixedly connecting the guide pipe (22) to the output port (2) is arranged on the guide pipe (22); locking Assembly (3) are including clamp (4) and locking bolt (31), clamp (4) are including first clamp piece (41) and second clamp piece (42), first clamp piece (41) are articulated with second clamp piece (42), first clamp piece (41) and second clamp piece (42) are connected on guiding tube (22) lateral wall, the first fixed block (411) of one end fixedly connected with of first clamp piece (41) and second clamp piece (42) pin joint is kept away from in first clamp piece (41), the one end fixedly connected with second fixed block (421) of first clamp piece (41) and second clamp piece (42) pin joint are kept away from in second clamp piece (42), threaded connection has lock nut (311) behind locking bolt (31) the first fixed block (411) of passing and second fixed block (421).

8. A pneumatic filling machine as defined in claim 7 wherein: the delivery outlet (2) is coated with a flow guide cloth (21), and the flow guide cloth (21) is positioned between the guide pipe (22) and the delivery outlet (2).

9. A pneumatic filling machine as defined in claim 1 wherein: the placing table (8) is provided with a third through hole, the connecting block (12) is provided with a second threaded hole, the third through hole is connected with a fastening bolt (82), and the fastening bolt (82) penetrates through the third through hole and then is in threaded connection with the second threaded hole.