Pretreatment vacuum packaging equipment and method for production of quick-frozen green sword beans

Abstract

The invention discloses pretreatment vacuum packaging equipment for producing quick-frozen green sword beans and a method of the pretreatment vacuum packaging equipment, and belongs to the technical field of vacuum packaging. The pretreatment vacuum packaging equipment for quick-frozen green sword bean production comprises a main shaft and a discharging conveyor, a plurality of vacuum boxes are arranged on the periphery of the main shaft, the vacuum boxes are annularly distributed, a transferring assembly is arranged on one side of the bottom of the main shaft, and the discharging conveyor is located on one side of the main shaft. In order to solve the problems that in the existing vacuum packaging process of quick-frozen green sword beans, manual feeding and discharging need to be conducted manually, in the manual operation process, the quick-frozen green sword beans make contact with unpackaged quick-frozen green sword beans inevitably, bacteria are prone to breeding, and the manual feeding and discharging efficiency is relatively low. The bagged quick-frozen green sword beans are clamped and put into the vacuum box through the transfer assembly to be subjected to vacuum plastic packaging operation, manual operation is not needed in the whole process, the working efficiency can be improved, and bacterium breeding can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum packaging, in particular to pre-treatment vacuum packaging equipment and a method thereof for producing quick-frozen green beans. Background Art

[0002] In the processing of semi-finished vegetables, the most important thing is hygiene, environmental protection, low energy consumption, time and labor saving, and high production efficiency. In the current production process of quick-frozen green beans, they are stored for a long time through vacuum packaging. Vacuum packaging is also called reduced pressure packaging. The air in the packaging container is completely extracted and sealed to maintain a highly reduced pressure in the bag. The scarce air is equivalent to the low oxygen effect, which deprives microorganisms of living conditions, so as to achieve the purpose of fresh fruit and no disease or rot.

[0003] The existing quick-frozen green beans need to be manually loaded and unloaded during vacuum packaging. During the manual operation, it is inevitable to contact with the quick-frozen green beans that have not been packaged, which is easy to breed bacteria, and the efficiency of manual loading and unloading is relatively low. Summary of the invention

[0004] The purpose of the present invention is to provide a pre-treatment vacuum packaging device and method for the production of quick-frozen green beans. The quick-frozen green beans that have been bagged are clamped and transported into a vacuum box for vacuum plastic sealing through a transfer component. No manual operation is required during the entire process, which can not only improve work efficiency but also avoid the growth of bacteria, thereby solving the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a pretreatment vacuum packaging equipment for quick-frozen green beans production, comprising a main shaft and a discharging conveyor, wherein a plurality of vacuum boxes are arranged around the main shaft, and the vacuum boxes are distributed in a ring shape. A transfer assembly is arranged on one side of the bottom of the main shaft, and the discharging conveyor is located on one side of the main shaft. The discharging conveyor comprises a conveyor belt, wherein a blanking baffle is arranged at one end of the conveyor belt, and a driving motor is arranged at the other end of the conveyor belt. The main shaft equipped with the vacuum box is placed on one side of the packaging equipment, and a transfer assembly is installed between the two. The quick-frozen green beans that have been bagged are clamped and conveyed into the vacuum box through the transfer assembly for vacuum plastic sealing. No manual operation is required in the whole process, which can not only improve work efficiency but also avoid the breeding of bacteria.

[0006] Furthermore, the transfer assembly includes an electrically-controlled clamp and a hanger, a traveling rocker arm is provided at the bottom of the hanger, the traveling rocker arm is rotatably connected to the hanger, the electrically-controlled clamp is rotatably connected to the hanger via a support shaft, wherein a swinging rocker arm is provided at the bottom of the electrically-controlled clamp, the swinging rocker arm is rotatably connected to the electrically-controlled clamp, the traveling rocker arm is responsible for controlling the extension and contraction operations of the entire transfer assembly, while the swinging rocker arm is responsible for the extension and contraction operations of the electrically-controlled clamp, and the packaging bag is transferred to the interior of the vacuum box by means of the electrically-controlled clamp.

[0007] Furthermore, the spindle includes a turntable, the vacuum box is connected to the turntable by bolts, a plurality of transfer tubes are arranged above the turntable, the transfer tubes are connected to the vacuum box by flanges, a rotating motor is arranged above the transfer tubes, the rotating motor is connected to the spindle by a bracket, a transmission central shaft is arranged at one end of the rotating motor, the transmission central shaft is connected to the turntable by bolts, and the turntable is responsible for driving the vacuum box to rotate counterclockwise, thereby realizing continuous vacuum plastic sealing processing.

[0008] Furthermore, a support bearing is provided inside the turntable, and a base is provided at the bottom of the support bearing, wherein the turntable is rotatably connected to the base through the support bearing, a vacuum pump pipe is provided inside the support bearing, and the transfer pipe is connected to the vacuum pump through the vacuum pump pipe, and an independent control valve is provided at the connection between each transfer pipe and the vacuum pump pipe, and after the valve body is opened, the transfer pipe extracts the air inside the vacuum box to realize a vacuum state.

[0009] Furthermore, a vacuum chamber is provided inside the vacuum box, and a glass cover plate is provided outside the vacuum box, wherein a suspension shaft is provided on the outer surface of the glass cover plate, the suspension shaft is rotatably connected to the vacuum box, a linkage arm is provided at one end of the suspension shaft, the linkage arm is rotatably connected to the suspension shaft, the transfer tube extends to the interior of the vacuum chamber, the linkage arm is connected to the driving device, and the linkage arm can be used to control the flipping opening and flipping closing operations of the glass cover plate through the suspension shaft, and when the glass cover plate is closed, the valve body inside the transfer tube opens, and conversely, when the glass cover plate is opened, the valve body inside the transfer tube closes.

[0010] Furthermore, a pressure gauge is provided on one side of the top of the vacuum box, a clamping linkage is provided on the bottom of the vacuum box, and connecting rods are provided on both sides of the vacuum chamber, wherein the connecting rods are rotatably connected to the vacuum box through the clamping linkage, and a clamp is provided on the top of the connecting rod. After the bagged quick-frozen green beans are placed into the vacuum box, the clamps on both sides will clamp the packaging bag on the inner wall, and then the glass cover is closed. After waiting for the glass cover to be opened again, the clamps are released and the plastic-sealed packaging bag will leave the vacuum box.

[0011] Furthermore, a rubber pad is provided above the clamp, and the rubber pad is connected to the glass cover plate through a slot, a metal sealing block is provided on one side of the rubber pad, and a hydraulic cylinder is provided at one end of the metal sealing block, wherein the hydraulic cylinder is installed on the back of the vacuum box, and the metal sealing block is telescopically connected to the hydraulic cylinder through a push rod, and after the metal sealing block is pushed out, the packaging bag opening can be pressed against the rubber pad, so that the bag opening area can be plastic-sealed.

[0012] A method for using a pretreatment vacuum packaging device for quick-frozen green beans production comprises the following steps:

[0013] Step 1: After the frozen green beans are bagged by the packaging equipment, the transfer component clamps the bag and puts it into the vacuum chamber inside the vacuum box. Then the connecting rod drives the clamp to rotate under the drive of the external motor to clamp the bag, and the glass cover is closed at the same time;

[0014] Step 2: The main shaft drives the vacuum box to rotate counterclockwise. During the process, the vacuum pump extracts the air inside the vacuum chamber through the adapter tube. Under the influence of pressure, the air inside the packaging bag is also squeezed out. After the vacuum is achieved, the hydraulic cylinder presses the metal sealing block against the surface of the rubber pad to perform plastic sealing;

[0015] Step 3: After the plastic sealing operation is completed, the hydraulic cylinder is reset. When the vacuum box moves to the top of the discharge conveyor, the glass cover is opened and the clamp is flipped outward, and the vacuum-sealed packaging bag slides onto the discharge conveyor.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, the main shaft equipped with the vacuum box is placed on one side of the packaging equipment, and a transfer component is installed between the two. The transfer component is used to clamp and transport the bagged quick-frozen green beans into the vacuum box for vacuum plastic sealing. No manual operation is required during the whole process, which can not only improve work efficiency but also avoid the breeding of bacteria.

[0018] 2. The present invention utilizes the linkage arm to control the flipping and opening and flipping and closing operations of the glass cover through the hanging shaft. When the glass cover is closed, the valve body inside the transfer tube is opened. Conversely, when the glass cover is opened, the valve body inside the transfer tube is closed. The main shaft drives the vacuum box to rotate counterclockwise. During the process, the vacuum pump extracts the air inside the vacuum chamber through the transfer tube. Under the influence of pressure, the air inside the packaging bag is also squeezed out. After the vacuum is achieved, the hydraulic cylinder presses the bag opening with the metal sealing block against the surface of the rubber pad for plastic sealing. After the plastic sealing operation is completed, the hydraulic cylinder resets. When the vacuum box moves to the top of the discharge conveyor, the glass cover is opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the overall front view of the present invention;

[0020] Figure 2 It is a schematic diagram of the main shaft structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the main shaft cross-section structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the transfer component of the present invention;

[0023] Figure 5 It is a schematic diagram of the vacuum box structure of the present invention;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the vacuum box of the present invention.

[0025] In the figure: 1. spindle; 2. vacuum box; 3. discharge conveyor; 4. transfer assembly; 101. turntable; 102. transfer tube; 103. base; 104. rotating motor; 1021. vacuum pump tube; 1041. transmission center shaft; 1042. support bearing; 201. glass cover; 202. vacuum chamber; 203. clamping linkage; 204. pressure gauge; 205. hydraulic cylinder; 2011. hanging shaft; 2012. linkage arm; 2013. rubber pad; 2031. connecting rod; 2032. clamp; 2051. metal sealing block; 301. blanking baffle; 302. conveyor belt; 303. drive motor; 401. bracket; 402. swing rocker; 403. travel rocker; 404. electric control fixture. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In order to solve the problem that the existing quick-frozen green beans need to be manually loaded and unloaded during vacuum packaging, and the manual operation inevitably involves contact with the unpacked quick-frozen green beans, which is easy to breed bacteria, and the manual loading and unloading efficiency is relatively low; please refer to Figure 1-6 , this embodiment provides the following technical solutions:

[0028] Embodiment 1:

[0029] A pre-treatment vacuum packaging device for quick-frozen green beans production comprises a main shaft 1 and a discharging conveyor 3. A plurality of vacuum boxes 2 are arranged around the main shaft 1, and the vacuum boxes 2 are distributed in a ring shape. A transfer assembly 4 is arranged on one side of the bottom of the main shaft 1. The discharging conveyor 3 is located on one side of the main shaft 1. The discharging conveyor 3 comprises a conveyor belt 302, wherein a material drop baffle 301 is arranged at one end of the conveyor belt 302, and a driving motor 303 is arranged at the other end of the conveyor belt 302. The main shaft 1 equipped with the vacuum box 2 is placed on one side of the packaging device, and a transfer assembly 4 is installed between the two. The quick-frozen green beans that have been bagged are clamped and conveyed into the vacuum box 2 for vacuum plastic sealing operation through the transfer assembly 4. No manual operation is required in the whole process, which can not only improve work efficiency but also avoid bacterial breeding.

[0030] The transfer assembly 4 includes an electric-controlled clamp 404 and a hanger 401. A traveling rocker arm 403 is provided at the bottom of the hanger 401. The traveling rocker arm 403 is rotatably connected to the hanger 401. The electric-controlled clamp 404 is rotatably connected to the hanger 401 through a support shaft. A swinging rocker arm 402 is provided at the bottom of the electric-controlled clamp 404. The swinging rocker arm 402 is rotatably connected to the electric-controlled clamp 404. The traveling rocker arm 403 is responsible for controlling the entire transfer assembly 4 to perform extension and contraction operations, while the swinging rocker arm 402 is responsible for the extension and contraction operations of the electric-controlled clamp 404. The electric-controlled clamp 404 is used to transfer the packaging bag to the inside of the vacuum box 2.

[0031] Embodiment 2:

[0032] The spindle 1 includes a turntable 101, the vacuum box 2 is connected to the turntable 101 by bolts, a plurality of transfer tubes 102 are arranged above the turntable 101, the transfer tubes 102 are connected to the vacuum box 2 by flanges, a rotating motor 104 is arranged above the transfer tubes 102, the rotating motor 104 is connected to the spindle 1 by a bracket, a transmission center shaft 1041 is arranged at one end of the rotating motor 104, the transmission center shaft 1041 is connected to the turntable 101 by bolts, and the turntable 101 is responsible for driving the vacuum box 2 to rotate counterclockwise, thereby realizing continuous vacuum plastic molding. Sealing processing, a support bearing 1042 is arranged inside the turntable 101, and a base 103 is arranged at the bottom of the support bearing 1042, wherein the turntable 101 is rotatably connected to the base 103 through the support bearing 1042, a vacuum pump pipe 1021 is arranged inside the support bearing 1042, and the transfer pipe 102 is connected to the vacuum pump through the vacuum pump pipe 1021, and each connection between the transfer pipe 102 and the vacuum pump pipe 1021 is provided with an independent control valve, and after the valve body is opened, the transfer pipe 102 extracts the air inside the vacuum box 2 to realize a vacuum state.

[0033] Embodiment 3:

[0034] A vacuum chamber 202 is provided inside the vacuum box 2, and a glass cover plate 201 is provided outside the vacuum box 2, wherein a suspension shaft 2011 is provided on the outer surface of the glass cover plate 201, and the suspension shaft 2011 is rotatably connected to the vacuum box 2, and a linkage arm 2012 is provided at one end of the suspension shaft 2011, and the linkage arm 2012 is rotatably connected to the suspension shaft 2011, and the transfer tube 102 extends to the inside of the vacuum chamber 202, and the linkage arm is connected to the driving device, and the linkage arm 2012 can be used to control the flipping opening and flipping closing operations of the glass cover plate 201 through the suspension shaft 2011, and when the glass cover plate 201 is closed, the valve body inside the transfer tube 102 is opened, and vice versa, when the glass cover plate 201 is opened, the valve body inside the transfer tube 102 is closed;

[0035] A pressure gauge 204 is provided on one side of the top of the vacuum box 2, a clamping linkage 203 is provided on the bottom of the vacuum box 2, and connecting rods 2031 are provided on both sides of the vacuum chamber 202, wherein the connecting rod 2031 is rotatably connected to the vacuum box 2 through the clamping linkage 203, and a clamp 2032 is provided on the top of the connecting rod 2031. After the bagged quick-frozen green beans are put into the vacuum box 2, the clamps 2032 on both sides will clamp the packaging bag on the inner wall, and then the glass cover 201 is closed. After the glass cover 201 is opened again, the clamps 2032 are released, and the plastic-sealed packaging bag will be separated from the vacuum box 2;

[0036] A rubber pad 2013 is arranged above the clamp 2032, and the rubber pad 2013 is connected to the glass cover 201 through a slot, and a metal sealing block 2051 is arranged on one side of the rubber pad 2013, and a hydraulic cylinder 205 is arranged at one end of the metal sealing block 2051, wherein the hydraulic cylinder 205 is installed on the back of the vacuum box 2, and the metal sealing block 2051 is telescopically connected to the hydraulic cylinder 205 through a push rod. After the metal sealing block 2051 is pushed out, the packaging bag opening can be pressed against the rubber pad 2013, so that the bag opening area can be plastic-sealed.

[0037] Working principle: after the frozen green beans are bagged by the packaging equipment, the transfer component 4 clamps the bag and puts it into the vacuum chamber 202 inside the vacuum box 2, and then the connecting rod 2031 drives the clamp 2032 to rotate under the drive of the external motor to clamp the packaging bag. At the same time, the glass cover 201 is linked to close, and the main shaft 1 drives the vacuum box 2 to rotate counterclockwise. During the process, the vacuum pump extracts the air inside the vacuum chamber 202 through the transfer tube 102. Under the influence of pressure, the air inside the packaging bag is also squeezed out. After the vacuum is achieved, the hydraulic cylinder 205 presses the bag opening with the metal sealing block 2051 against the surface of the rubber pad 2013 for plastic sealing. After the plastic sealing operation is completed, the hydraulic cylinder 205 resets, and when the vacuum box 2 moves to the top of the discharge conveyor 3, the glass cover 201 is opened and the clamp 2032 is flipped outward, and the packaging bag after vacuum plastic sealing slides onto the discharge conveyor 3.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A pretreatment vacuum packaging equipment for quick-frozen green beans production, characterized in that: The invention comprises a main shaft (1) and a discharge conveyor (3), wherein a plurality of vacuum boxes (2) are arranged around the main shaft (1), and the vacuum boxes (2) are distributed in a ring shape. A transfer assembly (4) is arranged on one side of the bottom of the main shaft (1), and the discharge conveyor (3) is located on one side of the main shaft (1). The discharge conveyor (3) comprises a conveyor belt (302), wherein a material drop baffle (301) is arranged at one end of the conveyor belt (302), and a drive motor (303) is arranged at the other end of the conveyor belt (302).

2. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 1, characterized in that: The transfer assembly (4) comprises an electrically controlled clamp (404) and a hanger (401); a traveling rocker arm (403) is arranged at the bottom of the hanger (401); the traveling rocker arm (403) is rotatably connected to the hanger (401); the electrically controlled clamp (404) is rotatably connected to the hanger (401) via a support shaft; wherein a swinging rocker arm (402) is arranged at the bottom of the electrically controlled clamp (404); the swinging rocker arm (402) is rotatably connected to the electrically controlled clamp (404).

3. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 1, characterized in that: The main shaft (1) comprises a turntable (101), the vacuum box (2) is connected to the turntable (101) by bolts, a plurality of transfer tubes (102) are arranged above the turntable (101), the transfer tubes (102) are connected to the vacuum box (2) by flanges, a rotating motor (104) is arranged above the transfer tubes (102), the rotating motor (104) is connected to the main shaft (1) by a bracket, a transmission center shaft (1041) is arranged at one end of the rotating motor (104), and the transmission center shaft (1041) is connected to the turntable (101) by bolts.

4. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 3, characterized in that: A support bearing (1042) is arranged inside the turntable (101), and a base (103) is arranged at the bottom of the support bearing (1042), wherein the turntable (101) is rotatably connected to the base (103) via the support bearing (1042), a vacuum pump pipe (1021) is arranged inside the support bearing (1042), and the transfer pipe (102) is connected to the vacuum pump via the vacuum pump pipe (1021).

5. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 3, characterized in that: A vacuum chamber (202) is arranged inside the vacuum box (2), and a glass cover plate (201) is arranged outside the vacuum box (2), wherein a suspension shaft (2011) is arranged on the outer surface of the glass cover plate (201), the suspension shaft (2011) is rotatably connected to the vacuum box (2), a linkage arm (2012) is arranged at one end of the suspension shaft (2011), the linkage arm (2012) is rotatably connected to the suspension shaft (2011), and the transfer tube (102) extends to the inside of the vacuum chamber (202).

6. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 5, characterized in that: A pressure gauge (204) is provided on one side of the top of the vacuum box (2), a clamping linkage (203) is provided on the bottom of the vacuum box (2), and connecting rods (2031) are provided on both sides of the vacuum chamber (202), wherein the connecting rod (2031) is rotatably connected to the vacuum box (2) via the clamping linkage (203), and a clamp (2032) is provided on the top of the connecting rod (2031).

7. The pretreatment vacuum packaging equipment for quick-frozen green beans according to claim 6, characterized in that: A rubber pad (2013) is arranged above the clamp (2032), the rubber pad (2013) is connected to the glass cover plate (201) via a slot, a metal sealing block (2051) is arranged on one side of the rubber pad (2013), and a hydraulic cylinder (205) is arranged at one end of the metal sealing block (2051), wherein the hydraulic cylinder (205) is installed on the back side of the vacuum box (2), and the metal sealing block (2051) is telescopically connected to the hydraulic cylinder (205) via a push rod.

8. A method for using a pretreatment vacuum packaging device for quick-frozen green beans production, which is implemented based on the pretreatment vacuum packaging device for quick-frozen green beans production according to claim 7, characterized in that: The steps include: Step 1: After the frozen green beans are bagged by the packaging equipment, the bag is clamped by the transfer component (4) and placed into the vacuum chamber (202) inside the vacuum box (2), and then the connecting rod (2031) drives the clamp (2032) to rotate under the drive of the external motor to clamp the packaging bag, and at the same time the glass cover plate (201) is linked to close; Step 2: The main shaft (1) drives the vacuum box (2) to rotate counterclockwise. During the process, the vacuum pump extracts the air inside the vacuum chamber (202) through the transfer tube (102). Under the influence of pressure, the air inside the packaging bag is also squeezed out. After the vacuum is achieved, the hydraulic cylinder (205) presses the metal sealing block (2051) against the surface of the rubber pad (2013) to perform plastic sealing; Step 3: After the plastic sealing operation is completed, the hydraulic cylinder (205) is reset, and when the vacuum box (2) moves to the top of the discharge conveyor (3), the glass cover plate (201) is opened and the clamp (2032) is turned outward, and the packaging bag after vacuum plastic sealing slides onto the discharge conveyor (3).

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