Hand-push screw feeding vehicle

Abstract

The utility model provides a hand-push screw feeding trolley. The hand-push screw feeding trolley comprises a trolley body. The feeding device is arranged on the trolley; and the weighing sensor is arranged between the trolley and the feeding device and is used for detecting the weight change of the feeding device. Through the design of the trolley, the feeding device is convenient to move, materials can be provided for different downstream devices, the multi-task requirement is met, and the flexibility of feeding operation is improved; meanwhile, a weighing sensor is integrated, materials can be accurately metered according to the requirements of downstream equipment, it is ensured that the precision of the feeding amount is within the allowable error range, and the quantitative control precision in the production process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to feeding equipment technical field, specifically relates to a hand -push screw feeding trolley. BACKGROUND

[0002] Screw feeder as a kind of common material conveying and feeding equipment, is widely used in chemical industry, plastics, food, pharmaceutical, building materials and other industries, especially in the occasion needing to accurately control material flow and stable conveying.Screw feeder is rotated by motor driving screw, thereby bringing material flow, realizes the uniform conveying of material.The traditional screw feeder has the advantages of simple structure, convenient operation, high efficiency, has become one of many industrial production lines standard equipment, however, the traditional screw feeder still has certain limitations in some specific application scenarios, especially in the following aspects:

[0003] 1, low measurement accuracy: traditional screw feeder usually does not have accurate measurement function, cannot monitor the weight of material feeding in real time.This will bring unnecessary error in some production processes with high material quantitative requirements, lead to inaccurate packaging, waste or deficiency, affect production efficiency and product quality.

[0004] 2, poor operation flexibility: many existing screw feeders are fixed in production line, once installed, it is difficult to move, and often highly integrated with automatic equipment, leading to that in the production environment without complete automation system, feeding work cannot be flexibly operated.Especially in some enterprises gradually introducing automation in later period, manual assistance screw feeder must be carried and position adjusted, and traditional heavy machine is inconvenient to operate when carrying.

[0005] 3, there are safety hazards: in some production environments, especially in workshops handling flammable, explosive or dangerous chemicals, if motor fails or generates spark, it may cause fire or explosion and other serious consequences.

[0006] In summary, the existing screw feeder has low measurement accuracy, poor operation flexibility, safety hazards and other defects and deficiencies. INVENTION CONTENTS

[0007] The utility model aims at overcoming the defects of prior art, provides a hand -push screw feeding trolley, can solve the problem of low measurement accuracy and poor operation flexibility of screw feeder in prior art.

[0008] In order to achieve the above object and other objects, the utility model is through including the following technical solutions realizes: as first aspect, the utility model proposes a kind of hand-push screw rod feeding trolley, including handcart, including frame and handle, the handle is arranged in the length direction side of the frame;Feeding device is arranged on the handcart;Weighing sensor is arranged between the handcart and the feeding device, for detecting the weight change of the feeding device;The feeding device includes support, bunker, screw rod discharge pipe and driving device;The bunker is fixed on the support;The screw rod discharge pipe is arranged at the bottom of the bunker, and it is arranged in parallel with the length direction of the frame, and the end of the screw rod discharge pipe away from the handle is provided with discharge port, and the end close to the handle is connected with the driving device;The driving device is fixed on the side plate of the support;The feeding device further includes electric control box, and the electric control box is arranged on the side plate, and is electrically connected with the driving device and weighing sensor;The weighing sensor is provided with 4, and is respectively installed between the bottom four corners of the support and the top four corners of the frame;The driving device is explosion-proof motor.

[0009] In an embodiment, the handcart includes casters; a plurality of casters are arranged at the bottom of the frame.

[0010] In an embodiment, the handle is arranged perpendicular to the frame.

[0011] In an embodiment, the handle is arranged at an obtuse angle with the upper end surface of the frame.

[0012] In an embodiment, the top of the bunker is provided with a feeding opening, and a cover plate for closing the feeding opening is arranged on the feeding opening; an air breather is arranged on the cover plate for discharging air in the bunker.

[0013] In an embodiment, a manual valve is arranged on the discharge port.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1, the utility model discloses the design of handcart, the movement of feeding device is facilitated, can provide material for different downstream equipment, satisfies multi-task demand, improves the flexibility of feeding operation;Integrating weighing sensor can accurately measure material according to the demand of downstream equipment, ensure that the precision of feeding quantity is within the allowable error range, improve the quantitative control precision in production process;

[0016] 2, the design of electric control box in the utility model can facilitate the automatic feeding process control;

[0017] 3, the design of cover plate in the utility model can close the feeding opening in non-feeding stage, and play the role of dust prevention;

[0018] 4、 The design of the manual valve in the utility model can seal the discharge port when the feeding vehicle is idle, and play a dustproof role.

[0019] 5、 The driving device adopts an explosion-proof motor in the utility model, can adapt to high-dust environments, humid environments or explosive places, can solve the problem that ordinary motors and electrical equipment in existing devices may cause safety hazards due to electrical sparks in explosive environments, and cause normal use problems. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a front projection schematic view of the hand-pushed screw feeding vehicle along the length direction of the vehicle frame.

[0021] Fig. 2 It is a front projection schematic view of the hand-pushed screw feeding vehicle along the width direction of the vehicle frame.

[0022] In the figure: 10, a handcart; 11, a vehicle frame; 12, a trundle; 13, a handle; 20, a feeding device; 21, a support; 211, a side mounting plate; 22, a bin; 221, a feeding port; 222, a cover plate; 223, an air breather; 23, a screw discharge pipe; 23a, a screw; 231, a discharge port; 24, a driving device; 25, an electric control box; 26, a manual valve; 30, a weighing sensor. DETAILED DESCRIPTION

[0023] Please refer to Figs. 1-2 The embodiments of the utility model will be described below through specific concrete examples, and other advantages and effects of the utility model can be easily understood by those skilled in the art from the content disclosed in the specification.

[0024] It should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and do not define the limiting conditions for the implementation of the utility model, so they do not have technical substantive significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope covered by the technical content disclosed by the utility model.

[0025] In the utility model, the serial numbers of components, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" in the utility model includes direct and indirect connections unless otherwise specified. The term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, in addition to including the listed elements, other elements not explicitly listed can also be included.

[0026] As Figs. 1-2 The utility model provides a hand -push screw feeding trolley, including handcart 10, feeding device 20 and weighing sensor 30. Feeding device 20 sets up on handcart 10, weighing sensor 30 sets up between handcart 10 and feeding device 20, is used for detecting the weight change of feeding device 20, to accurately calculate the feeding amount.

[0027] Handcart 10 includes frame 11, trundle 12 and handle 13. Four trundles 12 are arranged on the four corners of the bottom of frame 11 respectively, handle 13 is arranged on the length direction side of frame 11, can be arranged perpendicular to frame 11, also can be arranged with the obtuse angle of the upper end surface of frame 11, to facilitate manual pushing, and it is appropriate to save physical strength.

[0028] Feeding device 20 includes support 21, bunker 22, screw discharge pipe 23, drive device 24 and electric control box 25. Bunker 22 is fixedly installed on support 21, its top is provided with feeding opening 221, feeding opening 221 is provided with cover plate 222 for closing feeding opening 221, cover plate 222 is connected with feeding opening 221 using clamp, convenient to disassemble, and cover plate 222 is provided with air breather 223, can be used for discharging the air in bunker 22, the bottom is provided with screw discharge pipe 23. Screw discharge pipe 23 is parallelly arranged with the length direction of frame 11, including pipe body and screw 23a, the end of pipe body away from handle 13 is provided with discharge port 231, discharge port 231 is arranged downward and extends outside support 21 and frame 11, the end of pipe body close to handle 13 is provided with drive device 24, for example drive motor, drive device 24 is fixed on the side mounting plate 211 of support 21, screw 23a is arranged in pipe body, head end is located in discharge port 231, body section passes through the bottom of bunker 22 to contact material, tail end is connected with the output shaft of drive device 24, drive device 24 drives screw 23a to rotate, to transfer material to discharge port 231. Electric control box 25 is arranged on side mounting plate 211, is electrically connected with drive device 24, weighing sensor 30 and other electric devices, to control the automatic feeding and discharging of feeding device 20.

[0029] Further, to avoid the discharge port 231 of hand -push screw feeding trolley is always in the open state when idle, a manual valve 26 can be provided on the discharge port 231, which is convenient to manually close the discharge port 231 when idle. The manual valve 26 is connected and fixed with the discharge port 231 in the form of quick installation, which can be disassembled and replaced.

[0030] Weighing sensor 30 is fixedly installed between support 21 and frame 11, for detecting the overall weight change of feeding device 20, to calculate the feeding amount. Specifically, weighing sensor 30 can be provided with four, is installed on the four corners of the lower end surface of support 21 and the upper end surface of frame 11 respectively.

[0031] The utility model discloses a drive motor adopts explosion -proof motor, is applicable to the combustible and explosive material under special occasion, and the caster 12 design can adapt to the dust environment, avoid static electricity to produce, ensure safe operation.

[0032] The specific working process of the utility model is as follows: (1) material conveying: material is put into the stock bin 22 through the conveying pipeline and the feeding port 221, and the weighing sensor 30 reads the weight of the material in the stock bin 22 in real time (the initial weight of the feeding device 20 is set to 0), when the weight read by the material weighing sensor 30 reaches the set target value (which can be set according to different packaging specifications, and can also be full load), stop feeding, and manually close the feeding port 221 with the cover plate 222; (2) feeding: when the downstream equipment requires material, manually push the handle 13, and push the trolley 10 and the feeding device 20 thereon to the specified discharging position, and the discharge port 231 is connected with the feeding port of the downstream equipment; start the driving device 24 on the electric control box 25, the driving device 24 drives the screw rod 23a to push the material at the bottom of the stock bin 22 to the discharge port 231, and the material is continuously fed into the downstream equipment from the discharge port 231; the weighing sensor 30 feeds back the weight of the output material in real time, and when the downstream equipment requirement value is reached, the driving device 24 stops rotating, the screw rod 23a also stops rotating, and the material stops conveying to the downstream process; (3) material supplementing: when the remaining material in the stock bin 22 is insufficient to meet the requirement of the downstream equipment, the weighing sensor 30 reads the weight of the remaining material in the stock bin 22, the electric control box 25 prompts that the stock bin 22 needs to be supplemented, the trolley 10 and the feeding device 20 thereon are manually pushed to the upstream material discharge port position, continue to receive the material conveyed by the upstream conveying pipeline, and stop when the specified target value is reached through the feedback of the weighing sensor 30, and the next round of feeding is carried out.

[0033] In summary, through the design of the trolley 10, the movement of the feeding device 20 is facilitated, different downstream equipment can be provided with material, the multi-task requirement is met, and the flexibility of the feeding operation is improved; meanwhile, the weighing sensor 30 is integrated, the material can be accurately measured according to the requirement of the downstream equipment, the accuracy of the feeding amount is ensured to be within the allowable error range, and the quantitative control accuracy in the production process is improved.

[0034] Therefore, the utility model effectively overcomes the various shortcomings in the prior art and has high industrial utilization value. The above examples only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above examples without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A hand-propelled screw feeder cart, characterized by, The application relates to a trolley, comprising a trolley frame and a handle, the handle being arranged on one side of the trolley frame in the length direction of the trolley frame; a feeding device arranged on the trolley; a load cell arranged between the trolley and the feeding device for detecting the weight change of the feeding device; the feeding device comprising a support, a hopper, a screw discharge pipe and a driving device; the hopper being fixed on the support; the screw discharge pipe being arranged at the bottom of the hopper and parallel to the length direction of the trolley frame, the end of the screw discharge pipe away from the handle being provided with a discharge port, and the end of the screw discharge pipe close to the handle being connected with the driving device; the driving device being fixed on a side mounting plate of the support; the feeding device further comprising an electric control box, the electric control box being arranged on the side mounting plate and electrically connected with the driving device and the load cell; the load cell being arranged in four, and being arranged between the bottom corners of the support and the top corners of the trolley frame; the driving device being an explosion-proof motor; the trolley further comprising casters; a plurality of casters being arranged at the bottom of the trolley frame; the handle being arranged perpendicularly to the trolley frame; the handle being arranged at an obtuse angle with the upper end surface of the trolley frame; the top of the hopper being provided with a feeding port, the feeding port being provided with a cover plate for sealing the feeding port; the cover plate being provided with an air breather for discharging air in the hopper; the discharge port being provided with a manual valve. ​ ​ ​ ​ ​ ​ ​ 2. The hand-propelled screw conveyor of claim 1, wherein, ​ 3. The hand-propelled screw auger cart of claim 1, wherein, ​ 4. The hand-propelled screw-feeder cart of claim 1, wherein, ​ 5. The hand-propelled screw auger cart of claim 1, wherein, ​ 6. The hand-propelled screw auger cart of claim 1, wherein, ​

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