Multi-station following filling machine

Abstract

The utility model relates to the technical field of filling machines, and discloses a multi-station following filling machine which comprises a machine frame, a feeding trolley assembly detachably connected with the machine frame and a multi-station filling translation assembly. The multi-station filling translation assembly is arranged on the portion, on one side of the bottle body conveying line, of the rack, and a filling head of the multi-station filling translation assembly right faces the bottle body conveying line and conducts multi-station filling on bottle bodies on the bottle body conveying line. The feeding trolley assembly comprises a trolley and a stock bin arranged on the trolley, and the output end of the stock bin is in butt joint with the input end of the filling head of the multi-station filling translation assembly through a hose. Compared with the prior art, the feeding part and the filling part are separated, so that filling materials are convenient to replace, later maintenance is convenient, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filling machine technical field, especially relate to a multi -station following filling machine. BACKGROUND

[0002] With the development of mechanical automation, many production steps in traditional production process are gradually replaced by automatic machinery to save labor cost and improve production efficiency; in daily chemical, food, medicine and other industries, the filling machine belongs to one of the core equipment, and the filling machine is necessary equipment for material filling into a device, mainly used for the subpackaging of fluid, such as liquid beverage, cosmetics, food, etc., for liquid beverage, cosmetics, food, etc., there are thousands of varieties on the market. Usually after producing a large number of products, the filling machine is used for subpackaging according to different subpackaging bottle capacity specifications, and after the subpackaging bottle is filled, the cap screwing process is carried out, that is, the filling, cap screwing and other processes of the subpackaging bottle are carried out on the conveying track.

[0003] The cost of the filling machine is large, and the cost is extremely high for enterprises, the one-time investment cost is extremely large, due to the limitation of cost and scale, the enterprise cannot unlimitedly increase the filling machine, which leads to increasing production pressure, and only by cleaning the existing tank equipment and replacing another product can the production pressure be reduced, and when the variety is changed, the material storage box, three-way valve, piston rod and filling head of the filling machine all need to be thoroughly cleaned. Thus, the whole filling production line needs to be stopped due to the change of type, and the disassembly of parts is complex, which greatly reduces the production efficiency and causes huge losses to the enterprise.

[0004] Therefore, it is urgent to design a multi-station following filling machine, which can adapt to the subpackaging of various liquid materials and is convenient for later maintenance. INVENTION CONTENT

[0005] The utility model discloses a multi-station following filling machine, which is convenient for replacing filling materials and convenient for later maintenance, and improves work efficiency.

[0006] Technical scheme: the utility model provides a multi -station following filling machine, including frame, with frame detachable connection's feed trolley subassembly and multi -station filling translation subassembly, be provided with bottle body conveying line on the frame, the multi -station filling translation subassembly sets up on the frame in bottle body conveying line one side and the filling head of multi -station filling translation subassembly is opposite bottle body conveying line, carries out multi -station filling to bottle body on bottle body conveying line, the feed trolley subassembly includes trolley and the bin that sets up on the trolley, the bin output end passes through the hose and is docked with the filling head input end of multi -station filling translation subassembly.

[0007] Further, the trolley is detachably connected with a feeding platform, the feeding platform is provided with a plurality of three-way valves, the first opening of the plurality of three-way valves is communicated with the output end of the silo, the second opening of the plurality of three-way valves is communicated with a discharging driving assembly, and the third opening of the plurality of three-way valves is connected with the input end of the filling head of the multi-station filling translation assembly through a hose.

[0008] Further, the number of three-way valves corresponds to the number of filling heads of the multi-station filling translation assembly.

[0009] Further, the discharging driving assembly comprises a piston cylinder connected to the second opening of the three-way valve, the piston cylinder is provided with a piston rod, and the piston rod is further provided with a piston rod driving mechanism.

[0010] Further, the piston rod driving mechanism comprises a first driving motor, a ball screw, and a piston rod fixing base, the first driving motor is drivingly connected with the ball screw, and the piston rod fixing base is threadedly connected with the ball screw.

[0011] Further, the switch of the three-way valve is rotatably connected with the extension end of a switch cylinder through a rotating piece, and the bottom end of the switch cylinder is rotatably connected with the rack.

[0012] Further, the trolley is further provided with a height adjusting assembly for carrying and adjusting the height of the feeding platform.

[0013] Further, the height adjusting assembly comprises a hand wheel and a height adjusting screw provided on the trolley, the hand wheel is fixedly connected with one end of the height adjusting screw, the height adjusting screw is threadedly connected with an adjusting plate, the adjusting plate is fixedly connected with a pair of triangular fixing plates, a pair of the triangular fixing plates are detachably connected with the feeding platform, and the two ends of the adjusting plate are further arranged on vertical slide rails.

[0014] Further, the multi-station filling translation assembly further comprises a longitudinal driving assembly and a transverse driving assembly, a plurality of the filling heads are arranged on the transverse driving assembly through a filling platform, the transverse driving assembly drives the plurality of the filling heads to move along the transmission direction of the bottle body conveying line at a transmission speed consistent with the transmission speed of the bottle body conveying line, the transverse driving assembly is arranged on the longitudinal driving assembly, and the longitudinal driving assembly drives the transverse driving assembly and the plurality of the filling heads arranged thereon to move up and down.

[0015] Further, the longitudinal driving assembly comprises a second driving motor and a belt wheel assembly, the belt of the belt wheel assembly is fixedly connected with a bottom connecting plate, and the bottom connecting plate is connected with the transverse driving assembly through guide shafts on both sides.

[0016] Further, the transverse driving assembly is an electric sliding rail, and the filling platform is arranged on the electric sliding rail.

[0017] Further, a hose support rod is arranged on the rack, and a plurality of hose racks matched with the number of filling heads are arranged on the hose support rod in intervals, and the hoses pass through the hose racks and are connected with the output end of the silo and the input end of the filling head of the multi-station filling translation assembly respectively.

[0018] Further, a plurality of rollers are arranged on the two sides of the rack at the docking position of the feeding trolley assembly or on the two sides of the feeding trolley assembly, and the rollers are in rolling contact with the feeding trolley assembly or the rack.

[0019] Further, a quick pressing clamp is fixed on the rack, and when the feeding trolley assembly is docked, the pressure head of the quick pressing clamp is opposite to the feeding trolley assembly and presses the feeding trolley assembly on the rack.

[0020] Further, a pair of quick pressing clamps are arranged on one side of the three-way valve, and the quick pressing clamps press the three-way valve on the feeding platform.

[0021] Further, polyurethane limiting bumpers are arranged at the two ends of the feeding trolley assembly, and when the rack is docked with the feeding trolley assembly, the polyurethane limiting bumpers are in contact with the rack.

[0022] Further, a filling positioning block is further communicated with the output end of the filling head, and the lower end of the filling positioning block is in a circular arc shape and is recessed inward to form a conical structure.

[0023] Beneficial effects

[0024] 1. The feeding trolley assembly and the multi-station filling translation assembly are arranged in the utility model, the feeding part and the filling part are separated, the feeding trolley and the multi-station filling translation assembly are detachably connected, so that when the liquid material needs to be replaced, only the feeding trolley assembly needs to be replaced, the overall filling machine does not need to be replaced or cleaned, and maintenance is facilitated. The three-way valve is used for controlling filling materials, and precise filling is facilitated.

[0025] 2. The utility model is provided with a multi-station filling translation assembly, i.e. a plurality of filling heads are arranged on the filling machine, the filling of a plurality of bottle bodies at the same time is realized, the number of three-way valves corresponds to the number of filling heads, the three-way valves can be simultaneously controlled to be opened to realize the simultaneous filling of the plurality of filling heads, and the working efficiency is improved.

[0026] 3. The utility model discloses a piston cylinder is realized the control of filling material volume through a piston cylinder at the second opening position of three -way valve, and piston rod is driven mechanism drives piston rod up and down telescoping, and piston rod moves down and realizes that liquid material in bunker passes three -way valve and enters the piston cylinder, and piston rod moves up and realizes that liquid material in piston cylinder passes the third opening and enters the hose and fills the head and realizes filling. And the up and down movement of piston rod is realized through the ball screw, and the ball screw is driven to rotate through the first drive motor and drives piston rod fixed base up and down movement, and drives piston rod up and down movement.

[0027] 4. The utility model discloses still be provided with guide rod and guide sleeve around the ball screw, and guide sleeve, guide rod play the guiding role to piston rod fixed base.

[0028] 5. The utility model discloses still be provided with switch air cylinder at three -way valve switch position, and switch air cylinder telescoping drives rotary piece rotation, realizes the opening and closing of three -way valve, like this, when not needing filling, can close between bunker and three -way valve through three -way valve switch, prevents liquid material leakage. In addition, before the butt joint of material supply trolley assembly or needs to leave filling machine, piston rod is driven to leave piston cylinder through the first drive motor, when needing to close three -way valve switch through switch air cylinder, prevents liquid material leakage. When butt joint, three -way valve switch also needs to close, prevents piston rod and piston cylinder butt joint when influencing liquid material.

[0029] 6. The utility model discloses still be provided with height -adjusting assembly on the trolley, one side adjusts the height of material supply platform, makes the material supply platform on material supply trolley assembly adapt to the height of different filling machine, rotates height -adjusting screw through hand wheel, makes the material supply platform on height -adjusting screw up and down movement, and both sides'slide rail plays the steady guiding role, after adjusting to certain height, the material supply platform is supported on the frame, and after being fixed on the frame through the detachable connection mode. Another side is adjusted through height -adjusting assembly and moves down along with the adjusting plate on the trolley, triangle fixed plate, leaves the material supply platform, can then remove the trolley from multi -position following filling machine, so that the trolley can realize one -trolley -multiple -use, and then shifts other material supply platform and bunker.

[0030] 7. The utility model discloses the filling head is set up on horizontal drive assembly, the purpose is to make filling head move along with horizontal drive assembly along the transmission direction of bottle body conveying line, like this, when filling, filling head can follow the transmission of bottle body, can realize filling without stopping bottle body conveying line, improves filling efficiency. In addition, longitudinal drive assembly can drive filling head to move up and down distance, adapts to the bottle body filling of different height, and when not needing filling, drives filling head to move up, does not influence bottle body transmission line itself's work.

[0031] 8、The soft pipe frame arranged on the rack can support the soft pipe, when filling, there is liquid material in the soft pipe, and the soft pipe is easily pulled downward under its own gravity, which may affect filling, so the soft pipe is supported by the soft pipe frame to prevent the soft pipe from being bent.

[0032] 9、The utility model discloses a roller is arranged between the material supply trolley assembly and the rack, when the trolley and the rack butt joint, can play the direction and reduce the friction effect.

[0033] 10. The utility model discloses a material supply trolley assembly and the rack are directly pressed by quick compression clamp, convenient, also convenient dismantle, in addition, the three -way valve on the material supply platform can also be fixed by quick compression clamp, convenient to dismantle and clean the three -way valve, convenient maintenance.

[0034] 11. The utility model discloses a polyurethane limiting bump in the position of the material supply trolley, when the trolley and the rack butt joint, can play the limiting effect of preventing the collision, and the limiting bump is polyurethane, and has certain elasticity.

[0035] 12、The utility model discloses a filling positioning block is further arranged on the filling head, and the conical structure is matched with the shape of the upper end of the traditional bottle body, and the precise positioning of the bottle body can be realized through the filling positioning block. DRAWINGS

[0036] Figure 1 It is the whole front structure schematic diagram of the utility model;

[0037] Figure 2 It is the whole back structure schematic diagram of the utility model;

[0038] Figure 3 It is the structure schematic diagram of the material supply trolley assembly of the utility model;

[0039] Figure 4 It is the structure schematic diagram of the three -way valve of the material supply trolley assembly of the utility model;

[0040] Figure 5 It is the structure schematic diagram of the height adjusting assembly of the utility model;

[0041] Figure 6 It is the structure schematic diagram of the material supply platform, the triangular fixed plate between the bolt positioning structure of the utility model;

[0042] Figure 7 It is the structure schematic diagram of the multi -position filling translation assembly of the utility model;

[0043] Figure 8 It is the structure schematic diagram of the filling positioning block of the multi -position filling translation assembly of the utility model;

[0044] Figure 9The utility model discloses a piston rod and piston rod drive mechanism structure schematic diagram.

[0045] Figure 10 The utility model discloses a quick compression clamp structure schematic diagram.

[0046] Among them, 1 - feed trolley assembly, 101 - trolley, 102 - feed platform, 103 - stock bin, 104 - three -way valve, 1041 - first opening, 1042 - second opening, 1043 - third opening, 105 - piston cylinder, 106 - piston rod, 107 - first drive motor, 108 - ball screw, 109 - piston rod fixed base, 110 - guide rod, 111 - guide sleeve, 112 - rotating piece, 113 - switch cylinder, 114 - hand wheel, 115 - height adjusting screw, 116 - slide rail, 117 - gyro wheel, 118 - quick compression clamp, 119 - polyurethane limit bump, 120 - adjusting plate, 121 - triangular fixed plate, 122 - bolt, 2 - rack, 201 - hose support rod, 202 - hose frame, 3 - multi -station filling translation subassembly, 301 - filling head, 302 - filling platform, 303 - second drive motor, 304 - driving wheel, 305 - driven wheel, 306 - belt, 307 - bottom connecting plate, 308 - guide shaft, 309 - electric slide rail, 310 - filling positioning block, 4 - hose. DETAILED DESCRIPTION

[0047] The utility model will be introduced in detail below in connection with the drawings.

[0048] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to a particular orientation, configuration and operation, and therefore cannot be understood as limiting the utility model.

[0049] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0050] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relationship, unless another definite limitation.For the ordinary skill in the art, the above terms can be understood according to the specific meaning in the utility model of specific circumstances.

[0051] The utility model discloses a multi-station follow filling machine, refer to Figures 1 to 10 , including frame 2, with frame 2 detachable connection's feed trolley subassembly 1 and multi-station filling translation subassembly 3.Frame 2 is provided with bottle body conveying line (not shown in the drawing), and multi-station filling translation subassembly 3 is arranged at the side of bottle body conveying line and the filling head 301 of multi-station filling translation subassembly 3 is directly opposite bottle body conveying line, and the multi-station filling of bottle body on bottle body conveying line is carried out.The output end of filling head 301 is also communicated with filling positioning block 310, and the lower end of filling positioning block 310 is arc-shaped and recessed inward to form a conical structure.

[0052] Feed trolley subassembly 1 includes trolley 101, feed platform 102, and trolley 101 is detachably connected with feed platform 102.After the butt joint of feed platform 102 and frame 2, trolley 101 can move away for one trolley multi-use.Feed platform 102 is provided with hopper 103 and several three-way valves 104, the first opening of several three-way valves 104 is communicated with the output end of hopper 103, the second opening of several three-way valves 104 is communicated with discharge driving assembly, and the third opening of several three-way valves 104 is butt jointed with the input end of filling head 301 of multi-station filling translation subassembly 3 through hose 4.In the embodiment, the number of three-way valves 104 corresponds to the number of filling head 301 of multi-station filling translation subassembly 3, refer to Figure 1 , the number of filling head 301 of multi-station filling translation subassembly 3 is set to 6, forming 6-station follow filling machine.In order to butt joint feed trolley subassembly 1 and frame 2 conveniently, in the embodiment, quick pressure clamping forceps 118 are fixed on frame 2, and when butt joint feed trolley subassembly 1, the pressure head of quick pressure clamping forceps 118 is directly opposite feed trolley subassembly 1 and presses feed platform 102 of feed trolley subassembly 1 on frame 2, refer to Figure 4 .

[0053] In addition, a pair of quick clamps 118 are also provided on one side of each three-way valve 104. The quick clamps 118 clamp the three-way valve 104 on the feeding platform 102 of the feeding trolley assembly 1. The quick clamps 118 are common clamps on the market. They can be loosened and clamped by pulling or pressing the handle. The model used in this embodiment is WDC201-BSS, see Figure 10 .

[0054] The discharge drive assembly includes a piston cylinder 105 connected to the second opening of the three-way valve 104. A piston rod 106 is disposed within the piston cylinder 105, and a piston rod drive mechanism is also disposed on the piston rod 106. The piston rod drive mechanism includes a first drive motor 107, a ball screw 108, and a piston rod fixed base 109. The first drive motor 107 is drivingly connected to the ball screw 108, and the piston rod fixed base 109 is threadedly connected to the ball screw 108. A guide rod 110 is also provided circumferentially around the ball screw 108, and a guide sleeve 111 is provided on the piston rod fixed base 109. The guide rod 110 extends through the guide sleeve 111. Figure 9 .

[0055] The switch of the three-way valve 104 is rotatably connected to the telescopic end of the switch cylinder 113 through the rotating piece 112, and the bottom end of the switch cylinder 113 is rotatably connected to the frame 2. Figure 4 The switch cylinder 113 extends and retracts to realize the rotation of the rotating piece 112, thereby controlling the switch of the three-way valve 104.

[0056] A height adjustment component is also provided on the trolley 101 for carrying the feeding platform 102 and adjusting the height of the feeding platform 102. Figures 3 to 6 The height adjustment assembly includes a handwheel 114 and a height adjustment screw 115. The handwheel 114 is fixedly connected to one end of the height adjustment screw 115. An adjustment plate 120 is threadedly connected to the height adjustment screw 115. A pair of triangular fixing plates 121 are fixed on the adjustment plate 120. The pair of triangular fixing plates 121 are detachably connected to the feeding platform 102. In this embodiment, the triangular fixing plates 121 and the feeding platform 102 are plugged and positioned by pins 122. The two ends of the adjustment plate 120 are also respectively arranged on vertical slide rails 116.

[0057] The multi-station filling translation assembly 3 includes a longitudinal drive assembly and a transverse drive assembly. Multiple filling heads 301 are arranged on the transverse drive assembly through the filling platform 302. The transverse drive assembly drives the multiple filling heads 301 to move along the transmission direction of the bottle conveyor line and the transmission speed is consistent with the transmission speed of the bottle conveyor line. The transverse drive assembly is arranged on the longitudinal drive assembly, and the longitudinal drive assembly drives the transverse drive assembly and the multiple filling heads 301 arranged thereon to move up and down.

[0058] The longitudinal driving assembly comprises a second driving motor 303, a pulley assembly comprising a driving pulley 304, a driven pulley 305 and a belt 306, and a bottom connecting plate 307 fixed on the belt 306, and the bottom connecting plate 307 is connected with the transverse driving assembly through guide shafts 308 on both sides.

[0059] The rack 2 is further provided with a hose supporting rod 201, and a plurality of hose racks 202 matched with the number of the filling heads 301 are arranged on the hose supporting rod 201 at intervals, and the hoses 4 pass through the hose racks 202 and are connected with the output end of the silo 103 (i.e. one opening of the three-way valve 104) and the input end of the filling head 301 of the multi-station filling translation assembly 3 respectively.

[0060] A plurality of rollers 117 are arranged on both sides of the rack 2 or both sides of the feeding trolley assembly 1 at the abutting position of the feeding trolley assembly 1 and the rack 2, and the rollers 117 are in rolling contact with the feeding trolley assembly 1 or the rack 2, as shown in Figure 2 In the embodiment, the rollers 117 are arranged on both sides of the rack 2, and when the feeding trolley assembly 1 is abutted with the rack 2, the trolley 101 of the feeding trolley assembly 1 is in rolling contact with the rollers 117.

[0061] A polyurethane limiting bump 119 is further arranged at both ends of the trolley 101 of the feeding trolley assembly 1, and when the rack 2 is abutted with the feeding trolley assembly 1, the polyurethane limiting bump 119 is in contact with the rack 2, so as to play a limiting and anti-collision role.

[0062] Working principle:

[0063] 1. After the silo 103 is filled, the three-way valve 104 is pressed on the trolley feeding platform 102 by the quick pressing clamp 118, the trolley 101 is pushed to the position of the rack 2, the height of the feeding platform 102 is adjusted by the hand wheel 114 according to the height of the rack 2, so that the feeding platform 102 is located on the rack 2, the trolley 101 is pushed forward to the position of the rack 2, the feeding platform 102 is pressed on the rack 2 by the quick pressing clamp 118, then the latch 122 is pulled out, the height of the adjusting plate 120 is adjusted by the adjusting hand wheel 114, so that the trolley 101 moves away from the rack 2.

[0064] 2. The hose 4 is connected with the filling head 301 and the third opening output end of the three-way valve 104.

[0065] 3. The three-way valve is controlled to open by the switch cylinder 113. The first drive motor 107 drives the ball screw 108 to rotate, driving the piston rod 106 downward, transferring the liquid in the silo 103 to the piston cylinder 105. The first drive motor 107 is then driven again to push the piston rod 106 upward. The liquid enters the hose 4 through the third opening of the three-way valve 104 and is then filled into the bottle through the filling head 301. During this process, the three-way valve opening and the movement of the piston rod 106 coordinate to ensure that the liquid enters the piston cylinder 105 from the silo 103 and is then transferred from the piston cylinder 105 to the hose 4.

[0066] 4. During filling, when the bottle conveyor line drives the bottle to the position facing the filling head 301, accurate positioning can be achieved here by the infrared detection sensor. The second drive motor 303 drives the driving wheel 304 to rotate, driving the expectation 306 on it to rotate, thereby driving the bottom connecting plate 307 to move downward until the filling positioning block 310 presses the bottle body and the bottle cap is located in the conical structure. Filling begins, and during filling, the electric slide 309 drives the filling head 301 on it to move along with the bottle conveyor.

[0067] 5. After the filling is completed, the second drive motor 303 drives the filling head 301 to leave the bottle body, and the electric slide 309 drives the filling head 301 back to its original position to wait for the next filling.

[0068] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A multi-station follow filling machine, characterized in that: The invention comprises a frame (2), a feeding trolley assembly (1) detachably connected to the frame (2), and a multi-station filling translation assembly (3); a bottle conveying line is provided on the frame (2); the multi-station filling translation assembly (3) is provided on the frame (2) on one side of the bottle conveying line, and a filling head of the multi-station filling translation assembly (3) faces the bottle conveying line, and performs multi-station filling on the bottles on the bottle conveying line; the feeding trolley assembly (1) comprises a trolley (101) and a silo (103) provided on the trolley (101); an output end of the silo (103) is connected to an input end of a filling head (301) of the multi-station filling translation assembly (3) through a hose (4); The trolley (101) is also detachably connected to a feeding platform (102), and a plurality of three-way valves (104) are provided on the feeding platform (102). The first openings of the plurality of three-way valves (104) are connected to the output end of the silo (103), the second openings of the plurality of three-way valves (104) are connected to the discharge drive assembly, and the third openings of the plurality of three-way valves (104) are connected to the input end of the filling head (301) of the multi-station filling translation assembly (3) through a hose (4); The switch of the three-way valve (104) is rotatably connected to the telescopic end of the switch cylinder (113) via a rotating piece (112), and the bottom end of the switch cylinder (113) is rotatably connected to the frame (2).

2. A multi-station follow-up filling machine according to claim 1, characterized in that: The discharge drive assembly comprises a piston cylinder (105) connected to the second opening of the three-way valve (104), a piston rod (106) is provided in the piston cylinder (105), and a piston rod drive mechanism is also provided on the piston rod (106).

3. The multi-station follow-up filling machine according to claim 2, characterized in that: The piston rod driving mechanism comprises a first driving motor (107), a ball screw (108), and a piston rod fixing base (109); the first driving motor (107) is drivingly connected to the ball screw (108); and the piston rod fixing base (109) is threadedly connected to the ball screw (108).

4. The multi-station follow-up filling machine according to claim 1, characterized in that: The trolley (101) is also provided with a height adjustment component for carrying the feeding platform (102) and adjusting the height of the feeding platform (102).

5. The multi-station follow-up filling machine according to claim 4, characterized in that: The height adjustment assembly includes a handwheel (114) and a height adjustment screw (115) provided on the trolley (101), wherein the handwheel (114) is fixedly connected to one end of the height adjustment screw (115), an adjustment plate (120) is threadedly connected to the height adjustment screw (115), a pair of triangular fixing plates (121) are fixed to the adjustment plate (120), and the pair of triangular fixing plates (121) are detachably connected to the feeding platform (102), and both ends of the adjustment plate (120) are respectively provided on vertical slide rails (116).

6. The multi-station follow-up filling machine according to claim 1, characterized in that: The multi-station filling translation assembly (3) further comprises a longitudinal drive assembly and a transverse drive assembly. The plurality of filling heads (301) are arranged on the transverse drive assembly via a filling platform (302). The transverse drive assembly drives the plurality of filling heads (301) to move along the transmission direction of the bottle conveyor line at a transmission speed consistent with the transmission speed of the bottle conveyor line. The transverse drive assembly is arranged on the longitudinal drive assembly. The longitudinal drive assembly drives the transverse drive assembly and the plurality of filling heads (301) arranged thereon to move up and down.

7. The multi-station follow-up filling machine according to claim 6, characterized in that: The longitudinal drive assembly comprises a second drive motor (303) and a pulley assembly, a bottom connecting plate (307) is fixed on the belt (306) of the pulley assembly, and both sides of the bottom connecting plate (307) are connected to the transverse drive assembly via guide shafts (308).

8. A multi-station follow-up filling machine according to claim 6 or 7, characterized in that: The transverse drive assembly is an electric slide rail (309), and the filling platform (302) is arranged on the electric slide rail (309).

9. The multi-station follow-up filling machine according to claim 1, characterized in that: The frame (2) is further provided with a hose support rod (201), and hose racks (202) are arranged at intervals on the hose support rod (201) in a number matching the number of filling heads (301). The hose (4) passes through the hose rack (202) and is respectively connected to the output end of the silo (103) and the input end of the filling head (301) of the multi-station filling translation assembly (3).

10. The multi-station follow-up filling machine according to claim 1, characterized in that: A plurality of rollers (117) are provided on both sides of the frame (2) or on both sides of the feeding trolley assembly (1) at the docking position between the feeding trolley assembly (1) and the frame (2), and the rollers (117) are in rolling contact with the feeding trolley assembly (1) or the frame (2).

11. The multi-station follow-up filling machine according to claim 1, characterized in that: A quick-pressing clamp (118) is fixed on the frame (2). When docked with the feeding trolley assembly (1), the pressure head of the quick-pressing clamp (118) faces the feeding trolley assembly (1) and presses the feeding trolley assembly (1) onto the frame (2).

12. The multi-station follow-up filling machine according to claim 1, characterized in that: A pair of quick-pressing clamps (118) are provided on one side of the three-way valve (104), and the quick-pressing clamps (118) press the three-way valve (104) onto the feeding platform (102).

13. The multi-station follow-up filling machine according to claim 1, characterized in that: Polyurethane limit bumpers (119) are also provided at both ends of the feeding trolley assembly (1). When the frame (2) and the feeding trolley assembly (1) are docked, the polyurethane limit bumpers (119) contact the frame (2).

14. The multi-station follow-up filling machine according to claim 1, characterized in that: The output end of the filling head (301) is also connected to a filling positioning block (310), and the lower end of the filling positioning block (310) is arc-shaped and concave inward to form a conical structure.

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