An inner layer mesh film integration mechanism for a small-sized baling and film wrapping machine

Abstract

The present invention provides an inner layer mesh film integrated mechanism of a small-sized integrated baling and film wrapping machine, and belongs to the technical field of forage processing equipment. The integrated mechanism includes a lower film frame, a mesh film installation mechanism, a mesh film conveying mechanism, and a mesh film cutting mechanism. The mesh film installation mechanism is located in front of the mesh film conveying mechanism and the mesh film cutting mechanism, and the mesh film conveying mechanism is located above the mesh film cutting mechanism. The mesh film installation mechanism includes a film loading frame, and the film loading frame is inserted into the lower film frame by a film changing limit device arranged on both sides of the lower film frame. A film supporting rubber tube is arranged below the film loading frame, and both ends of the film supporting rubber tube are rotatably connected to the lower film frame through bearing seats arranged on both side plates of the lower film frame, and the left end of the film supporting rubber tube passes through the left side plate of the lower film frame and is matched and connected with the brake shaft installed on the left side plate of the lower film frame. The integrated mechanism of the present invention has smooth mesh transmission, uniform net lowering speed, and consistent material wrapping shape.

Description

Technical Field

[0001] The invention belongs to the technical field of forage processing equipment, and in particular relates to an inner layer mesh film integration mechanism of a small-sized integrated baling and film wrapping machine. Background Art

[0002] At present, the inner mesh lowering mechanism used in the existing domestic baling and wrapping machines is complicated to operate when replacing the mesh, and the maintenance personnel have a long operation time; at the same time, the mesh is often affected by the tension of the materials in the baling room during the lowering process, and the material is often entangled and the mesh wrapping material is uneven, which makes the material wrapping density and wrapping shape poor, affecting product quality. Summary of the invention

[0003] In view of the above-mentioned defects or shortcomings of the prior art, the present invention provides an inner layer mesh integration mechanism for a small-scale baling and film wrapping machine, which solves the problems of back-entanglement of materials and uneven mesh wrapping of materials during the process of the mesh lowering, so that the mesh lowering speed is uniform and the material wrapping shape is consistent.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A small-scale integrated baling and film wrapping machine inner layer mesh film integration mechanism, including a lower film frame, a mesh film installation mechanism, a mesh film conveying mechanism, and a mesh film cutting mechanism are arranged between the two side plates of the lower film frame, the mesh film installation mechanism is located in front of the mesh film conveying mechanism and the mesh film cutting mechanism, the mesh film conveying mechanism is located above the mesh film cutting mechanism, the mesh film installation mechanism includes a film loading frame, the film loading frame is clamped into the lower film frame by film changing limit devices arranged on both sides of the lower film frame, a film supporting rubber tube is arranged under the film loading frame, both ends of the film supporting rubber tube are rotatably connected to the lower film frame through bearing seats arranged on the two side plates of the lower film frame, and the left end of the film supporting rubber tube passes through the left side plate of the lower film frame and is matched with the brake shaft installed on the left side plate of the lower film frame.

[0006] Furthermore, the mesh film cutting mechanism includes a film cutting cross-bracing square tube, which is located below the film changing limit device, with two ends of the film cutting cross-bracing square tube fixed on two side plates of the lower film frame, a film cutting device is provided below the film cutting cross-bracing square tube, a film cutting cylinder is provided between the film cutting cross-bracing square tube and the film cutting device, the lower end of the film cutting cylinder is connected to two sides of the film cutting device with cylinder hanging ears welded thereon, the upper end of the film cutting cylinder is connected to the cylinder fixed end mounting ear plate welded on the film cutting cross-bracing square tube, two ends of the film cutting mounting shaft in the film cutting device are rotatably connected through bearing seats fixed on two side plates of the lower film frame, and the film cutting knife head fixed on the film cutting mounting shaft is a serrated structure.

[0007] Furthermore, the web film conveying mechanism includes a film blocking limit plate, which is fixed on the lower film frame and located behind the film cutting device. A lower film guide roller is provided below the film blocking limit plate, and both ends of the lower film guide roller are rotatably connected to the lower film frame through bearing seats provided on the two side plates of the lower film frame. A lower film power roller is provided above the film blocking limit plate, and both ends of the lower film power roller are rotatably connected to the lower film frame through bearing seats fixedly provided on the two side plates of the lower film frame. A lower film floating roller is installed behind the lower film power roller, and both ends of the lower film floating roller are rotatably connected to the lower film frame through bearing seats fixedly provided on the two side plates of the lower film frame. The floating bearing seats on the two side plates of the lower film frame are rotatably connected, and a first film winding rod is provided above the middle position between the lower film floating roller and the lower film power roller, a tensioning roller is provided obliquely in front of the first film winding rod, and a second film winding rod is provided obliquely behind the first film winding rod. A lower film motor is provided behind the film supporting rubber tube, and the lower film motor is fixed on the inner wall of the left side plate of the lower film frame. The output shaft of the lower film motor passes through the left side plate of the lower film frame and is provided with a driving sprocket. The left end of the lower film power roller passes through the left side plate of the lower film frame and is provided with a driven sprocket. The driven sprocket and the driving sprocket are connected by chain transmission.

[0008] Furthermore, the film changing limit device includes a film rod pressure plate and a film pressure spring mounting plate. The film rod pressure plate is located obliquely at the rear of the film mounting frame. The middle part of the film rod pressure plate is hinged on the left and right side plates of the lower film frame. One end of the membrane rod pressure plate is pressed on the film mounting frame, and the other end is connected to the film pressure spring mounting plate fixed on the lower film frame through a spring. The two ends of the film mounting frame are slidably arranged in vertical grooves symmetrically arranged on the left and right side plates of the lower film frame.

[0009] Furthermore, the right end of the membrane supporting rubber tube passes through the right side plate of the lower membrane frame, and a first sensor sensing bracket is fixed on the right end surface, a first sensor mounting plate is fixed on the outer wall of the right side plate of the lower membrane frame, the first sensor mounting plate is located below the first sensor sensing bracket, and a first sensor is fixed on the first sensor mounting plate.

[0010] Furthermore, the right end of the film cutting mounting shaft in the film cutting device passes through the right side plate of the lower film frame, and a second sensor sensing bracket is fixed on the right end surface, a second sensor mounting plate is fixed on the right side plate of the lower film frame below the second sensor sensing bracket, a second sensor is mounted on the second sensor mounting plate, a third sensor mounting plate is fixed on the right side plate of the lower film frame obliquely in front of the second sensor mounting plate, and a third sensor is mounted on the third sensor mounting plate.

[0011] Furthermore, a cloth film grass baffle is arranged below the membrane supporting rubber tube, and the cloth film grass baffle is fixed to the lower front part of the lower membrane frame.

[0012] Furthermore, a lower film baffle plate is provided behind the lower film guide roller, and the lower film baffle plate is fixed to the lower rear part of the lower film frame.

[0013] Furthermore, a chain tensioning device is provided on the outer wall of the left side plate of the lower film frame, and the chain tensioning device tightens the middle part of the chain.

[0014] Compared with the prior art, the beneficial technical effects of the present invention are:

[0015] 1. By setting a film replacement limit device pressed on the film mounting frame, it is ensured that the diameter of the membrane continues to decrease after consumption, and it still remains in a completely pressed and fitted state with the membrane supporting rubber tube, thereby ensuring the flatness of the membrane during the transmission process.

[0016] 2. By setting a floating bearing seat, the lower film floating roller can be adjustably fixed between the two side plates of the lower film frame, so that the gap between the lower film floating roller and the lower film power roller can be adjusted, which is convenient for personnel to operate during the installation of the mesh film. At the same time, during the mesh lowering process, the lower film floating roller is squeezed by the floating bearing to ensure that the lower film floating roller and the lower film power roller are in close contact, so that the mesh lowering speed is uniform.

[0017] 3. Since the gap between the lower film floating roller and the lower film power roller is adjustable, different gap parameters can be adjusted according to different product types and different mesh types to achieve the same equipment for multiple products.

[0018] 4. By setting a brake on the membrane supporting rubber tube, the mesh membrane will brake according to the tension state and the speed of the membrane during the film lowering process, ensuring the tension of the membrane during the film lowering process and making the material wrapping shape consistent.

[0019] 5. The chain drive connection between the film lowering motor and the film lowering power roller ensures the uniformity of the transmission speed during the lowering process, which reduces the cost compared with existing products on the market; the use of the web film can be intelligently controlled through equipment signal transmission, and the film cutting cylinder can be controlled to drive the film cutting device to perform film cutting movement.

[0020] 6. By integrating the lower film module, the transmission module and the film cutting module into the mesh film integration mechanism, the space of the whole machine is saved, the manufacturing cost of the whole machine is reduced, and at the same time, the product integration is improved, the mesh film intermediate transmission mechanism is reduced, and the whole machine workflow is simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 It is a right side view of the present invention;

[0023] Figure 3 It is a left side view of the present invention;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the present invention from another angle;

[0025] Figure 5It is a schematic diagram of a three-dimensional structure at an angle without a lower baffle plate in the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure from another angle without the lower baffle plate in the present invention;

[0027] Figure markings: 1-lower film frame, 2-film loading frame, 3-film supporting rubber tube, 4-lower film floating roller, 5-tensioning roller, 6-film cutting cross-bracing square tube, 7-film cutting device, 8-film cutting cylinder, 9-lower film guide roller, 10-lower film power roller, 11-chain tensioning device, 12-lower film baffle plate, 13-first sensor mounting plate, 14-second sensor mounting plate, 15-first sensor sensing bracket, 16-second sensor sensing bracket, 17-film cloth grass baffle plate, 18-lower film motor, 19-film rod pressure plate, 20-first film winding rod, 21-second film winding rod, 22-film pressure spring mounting plate, 23-first sensor, 24-second sensor, 25-third sensor mounting plate, 26-brake, 27-third sensor, 28-film baffle limit plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below through preferred embodiments.

[0029] Example 1

[0030] Please see attached Figure 1-6 As shown, the present embodiment provides an inner layer mesh film integration mechanism of a small-sized integrated baling and film wrapping machine, comprising a lower film frame, wherein a mesh film installation mechanism, a mesh film conveying mechanism, and a mesh film cutting mechanism are arranged between the two side plates of the lower film frame, the mesh film installation mechanism is located in front of the mesh film conveying mechanism and the mesh film cutting mechanism, and the mesh film conveying mechanism is located above the mesh film cutting mechanism.

[0031] Specifically, the mesh film installation mechanism described in this embodiment includes a film loading frame, which is clamped into the lower film frame by film changing limit devices arranged on both sides of the lower film frame. A membrane supporting rubber tube is provided under the film loading frame, and both ends of the membrane supporting rubber tube are rotatably connected to the lower film frame through bearing seats arranged on both side plates of the lower film frame, and the left end of the membrane supporting rubber tube passes through the left side plate of the lower film frame and is connected with the brake shaft installed on the left side plate of the lower film frame.

[0032] Specifically, the mesh film cutting mechanism described in this embodiment includes a film cutting cross-bracing square tube, which is located below the film changing limit device, and two ends of the film cutting cross-bracing square tube are fixed on two side plates of the lower film frame, a film cutting device is provided below the film cutting cross-bracing square tube, and a film cutting cylinder is provided between the film cutting cross-bracing square tube and the film cutting device, the lower end of the film cutting cylinder is connected to the two sides of the film cutting device with cylinder hanging ears welded thereon, the upper end of the film cutting cylinder is connected to the cylinder fixed end mounting ear plate welded on the film cutting cross-bracing square tube, and two ends of the film cutting mounting shaft in the film cutting device are rotatably connected through bearing seats fixed on the two side plates of the lower film frame, and the film cutting knife head fixed on the film cutting mounting shaft is a serrated structure.

[0033] Specifically, the web film conveying mechanism described in this embodiment includes a film blocking and limiting plate, which is fixed on the lower film frame and located behind the film cutting device, a lower film guide roller is provided below the film blocking and limiting plate, and both ends of the lower film guide roller are rotatably connected to the lower film frame through bearing seats provided on the two side plates of the lower film frame, a lower film power roller is provided above the film blocking and limiting plate, and both ends of the lower film power roller are rotatably connected to the lower film frame through bearing seats fixedly provided on the two side plates of the lower film frame, a lower film floating roller is installed behind the lower film power roller, and both ends of the lower film floating roller are rotatably connected to the lower film frame through bearing seats fixedly provided The floating bearing seats arranged on the two side plates of the lower film frame are rotatably connected, a first film winding rod is arranged above the middle position between the lower film floating roller and the lower film power roller, a tensioning roller is arranged obliquely in front of the first film winding rod, a second film winding rod is arranged obliquely behind the first film winding rod, a lower film motor is arranged behind the film supporting rubber tube, the lower film motor is fixed on the inner wall of the left side plate of the lower film frame, the output shaft of the lower film motor passes through the left side plate of the lower film frame and is provided with a driving sprocket, the left end of the lower film power roller passes through the left side plate of the lower film frame and is provided with a driven sprocket, and the driven sprocket is connected to the driving sprocket through a chain transmission.

[0034] Specifically, the film changing limit device described in this embodiment includes a film rod pressure plate and a film pressure spring mounting plate. The membrane rod pressure plate is located obliquely at the rear of the film mounting frame. The middle part of the membrane rod pressure plate is hinged to the left and right side plates of the lower film frame. One end of the membrane rod pressure plate is pressed on the film mounting frame, and the other end is connected to the film pressure spring mounting plate fixed on the lower film frame through a spring. The two ends of the film mounting frame are slidably arranged in vertical grooves symmetrically arranged on the left and right side plates of the lower film frame.

[0035] Specifically, the right end of the membrane supporting rubber tube in this embodiment passes through the right side plate of the lower membrane frame, and a first sensor sensing bracket is fixed on the right end surface, a first sensor mounting plate is fixed on the outer wall of the right side plate of the lower membrane frame, the first sensor mounting plate is located below the first sensor sensing bracket, and a first sensor is fixed on the first sensor mounting plate; the right end of the film cutting mounting shaft in the film cutting device passes through the right side plate of the lower membrane frame, and a second sensor sensing bracket is fixed on the right end surface, a second sensor mounting plate is fixed on the right side plate of the lower membrane frame below the second sensor sensing bracket, a second sensor is installed on the second sensor mounting plate, a third sensor mounting plate is fixed on the right side plate of the lower membrane frame obliquely in front of the second sensor mounting plate, and a third sensor is installed on the third sensor mounting plate.

[0036] Preferably, a film cloth grass baffle is provided below the film supporting rubber tube in this embodiment, and the film cloth grass baffle is fixed to the lower front part of the lower film frame.

[0037] Preferably, a lower film baffle plate is provided behind the lower film guide roller in this embodiment, and the lower film baffle plate is fixed to the lower rear part of the lower film frame.

[0038] Preferably, the outer wall of the left side plate of the lower film frame is also provided with a chain tensioning device, and the chain tensioning device tightens the upper middle part of the chain.

[0039] Example 2

[0040] A method for wrapping the inner layer of a straw bale with a mesh film, specifically, using the inner layer mesh film integrated mechanism of the small-sized baling and wrapping machine of Example 1 for wrapping, the steps comprising: before work, manually installing the mesh film on the film loading frame, the film loading frame is integrally inserted into the lower film machine frame, the film loading frame is affected by the weight of the mesh film, the mesh film contacts the film supporting rubber tube, the mesh film passes from the inside to the outside through the gap between the film supporting rubber tube and the mesh film, wraps 3 / 4 of the film supporting rubber tube counterclockwise, and then wraps upward clockwise through the tensioning roller, the mesh film wraps 1 / 2 of the tensioning roller, and then wraps downward counterclockwise around the first film winding rod Then wrap the second film winding rod clockwise upward, and after wrapping the second film winding rod, pass through the gap between the lower film floating roller and the lower film power roller; when the whole machine is working, when the amount of material in the baling room reaches the design requirement, the controller gives a driving signal to the lower film motor, and the rotation of the lower film motor drives the lower film power roller to rotate through the chain. The lower film power roller and the lower film floating roller are in close contact. The rotation of the lower film power roller gives power to the web film passing through the lower film power roller and the lower film floating roller to move downward, so that the web film is transported downward and wrapped around the material. During the transmission process, the web film drives the film supporting rubber The tube rotates, and the brake on the membrane supporting rubber tube operates simultaneously during the rotation process, and the rotation speed of the membrane supporting rubber tube is adjusted to keep a constant speed at all times. The mesh membrane is in a tensioned state. At this time, the first sensor sensing bracket on the membrane supporting rubber tube rotates continuously, and the first sensor receives the signal and transmits the signal to the controller. When the accumulation of the signal transmitted by the first sensor reaches the designed value, the controller sends a command to the hydraulic system and the lower membrane motor, and the lower membrane motor stops working, the mesh membrane stops transmitting, and the hydraulic system starts working to drive the film cutting cylinder to move. The film cutting cylinder drives the film cutting device to perform film cutting. At this time, the second sensor sensing bracket installed at the right end of the film cutting installation shaft in the film cutting device starts to rotate. When it rotates to the second sensor position, the film cutting device completes the film cutting action. The second sensor senses and transmits a signal to the controller. The controller sends a signal to the hydraulic system, and the film cutting cylinder starts to move in the opposite direction, driving the film cutting device to rotate clockwise. When the second sensor sensing bracket rotates to the third sensor, the third sensor receives the sensing and transmits the signal to the controller. The controller sends a signal to the hydraulic system, and the film cutting cylinder stops working.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An inner layer web film integrated mechanism of a small-sized baling and film wrapping machine, comprising a lower film frame, a web film installation mechanism, a web film conveying mechanism, and a web film cutting mechanism are arranged between two side plates of the lower film frame, the web film installation mechanism is located in front of the web film conveying mechanism and the web film cutting mechanism, the web film conveying mechanism is located above the web film cutting mechanism, the web film installation mechanism comprises a film mounting frame, and is characterized in that: The film loading frame is clamped into the lower film frame by the film changing limit devices arranged on both sides of the lower film frame, and a film supporting rubber tube is arranged under the film loading frame. Both ends of the film supporting rubber tube are rotatably connected with the lower film frame through the bearing seats arranged on the two side plates of the lower film frame, and the left end of the film supporting rubber tube passes through the left side plate of the lower film frame and is matched and connected with the brake shaft installed on the left side plate of the lower film frame; The mesh film cutting mechanism comprises a film cutting cross brace square tube, which is located below the film changing limit device, and two ends of the film cutting cross brace square tube are fixed to two side plates of the lower film frame, a film cutting device is arranged below the film cutting cross brace square tube, a film cutting oil cylinder is arranged between the film cutting cross brace square tube and the film cutting device, the lower end of the film cutting oil cylinder is connected to the oil cylinder hanging ears welded on both sides of the film cutting device, the upper end of the film cutting oil cylinder is connected to the oil cylinder fixed end mounting ear plate welded on the film cutting cross brace square tube, two ends of the film cutting mounting shaft in the film cutting device are rotatably connected through bearing seats fixed on two side plates of the lower film frame, and the film cutting knife head fixed on the film cutting mounting shaft is a sawtooth structure; The web film conveying mechanism includes a film blocking limit plate, which is fixed on the lower film frame and located behind the film cutting device. A lower film guide roller is provided below the film blocking limit plate. Both ends of the lower film guide roller are rotatably connected to the lower film frame through bearing seats provided on both side plates of the lower film frame. A lower film power roller is provided above the film blocking limit plate. Both ends of the lower film power roller are rotatably connected to the lower film frame through bearing seats fixedly provided on both side plates of the lower film frame. A lower film floating roller is installed behind the lower film power roller. Both ends of the lower film floating roller are connected to the lower film frame through bearing seats fixedly provided on the lower film frame. The floating bearing seats on the two side plates of the frame are rotatably connected, a first film winding rod is provided above the middle position between the lower film floating roller and the lower film power roller, a tensioning roller is provided obliquely in front of the first film winding rod, a second film winding rod is provided obliquely behind the first film winding rod, a lower film motor is provided behind the film supporting rubber tube, the lower film motor is fixed on the inner wall of the left side plate of the lower film frame, the output shaft of the lower film motor passes through the left side plate of the lower film frame and is provided with a driving sprocket, the left end of the lower film power roller passes through the left side plate of the lower film frame and is provided with a driven sprocket, and the driven sprocket is connected to the driving sprocket through a chain transmission; The film-changing limiting device comprises a film rod pressure plate and a film pressure spring mounting plate. The film rod pressure plate is located obliquely behind the film mounting frame. The middle part of the film rod pressure plate is hinged on the left and right side plates of the lower film frame. One end of the film rod pressure plate is pressed on the film mounting frame, and the other end is connected to the film pressure spring mounting plate fixed on the lower film frame through a spring. The two ends of the film mounting frame are slidably arranged in vertical grooves symmetrically arranged on the left and right side plates of the lower film frame. The right end of the membrane supporting rubber tube passes through the right side plate of the lower membrane frame, and a first sensor induction bracket is fixed on the right end surface, a first sensor mounting plate is fixed on the outer wall of the right side plate of the lower membrane frame, the first sensor mounting plate is located below the first sensor induction bracket, and a first sensor is fixed on the first sensor mounting plate; The right end of the film cutting installation shaft in the film cutting device passes through the right side plate of the lower film frame, and a second sensor sensing bracket is fixed on the right end surface, a second sensor mounting plate is fixed on the right side plate of the lower film frame below the second sensor sensing bracket, a second sensor is mounted on the second sensor mounting plate, a third sensor mounting plate is fixed on the right side plate of the lower film frame obliquely in front of the second sensor mounting plate, and a third sensor is mounted on the third sensor mounting plate.

2. The inner layer web film integration mechanism of the small-sized baling and film wrapping machine according to claim 1 is characterized by: A film cloth grass baffle is arranged below the film supporting rubber tube, and the film cloth grass baffle is fixed to the lower front part of the lower film frame.

3. The inner layer web film integration mechanism of the small-sized baling and film wrapping machine according to claim 1 is characterized by: A lower film baffle plate is arranged behind the lower film guide roller, and the lower film baffle plate is fixed to the lower rear part of the lower film frame.

4. The inner layer web film integration mechanism of the small-sized baling and film wrapping machine according to claim 1 is characterized by: The outer wall of the left side plate of the lower film frame is also provided with a chain tensioning device, and the chain tensioning device tightens the middle part of the chain.

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