A novel inner membrane hot stamping mechanism

Abstract

This utility model discloses a novel inner film heat-sealing mechanism. The support base has an inner film heat-sealing device for heat sealing. A rotating shaft with a fixed cam is horizontally arranged on the support base. A drive motor drives the rotating shaft to rotate. The adsorption opening strip is connected to a cam sleeve fitted on the outside of the cam. A front-to-back displacement cylinder is installed on the support base, which drives the heat-sealing base to move back and forth. A lateral displacement cylinder is installed on the heat-sealing base. The push rods of the two sets of lateral displacement cylinders are connected to the bag opening heat-sealing blocks on the left and right sides. This utility model has the following advantages: The drive motor of this application drives the adsorption opening strip to move up and down through the cam and cam sleeve. The adsorption opening strip, in conjunction with the lower adsorption plate, opens the bag opening. The bag opening heat-sealing block extends into the bag body, and the inner and outer bag bodies are heat-sealed using a heating strip or ultrasonic waves. This design improves the accuracy and automation of the equipment, thereby reducing the manufacturer's manpower and material resources, and improving the production efficiency and product quality of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of woven bag manufacturing, and in particular to a novel inner film hot-pressing mechanism, belonging to the technical field of bag making equipment. Background Technology

[0002] Currently, traditional woven bags with inner linings consist of an inner lining and an outer woven bag. The inner lining is typically 3-5 cm longer than the outer bag due to packaging requirements. Before use, finished woven bags are manually welded together using ultrasonic welding; this entire process is done manually. First, the inner lining and outer bag are aligned manually, with the inner lining manually opened and the alignment completed by visual inspection. Second, the inner edge of the bag opening is manually folded and pressed tightly. Finally, the bag opening is heat-sealed manually while being pressed tightly. This entire process requires manual intervention, which easily leads to inconsistent quality at the interface between the inner and outer bags, low yield, and low labor productivity. Furthermore, the heat-sealing process requires manual feeding and clamping, posing certain safety hazards. Additionally, the operator's skill level and mood significantly impact product quality, resulting in poor product quality stability and negatively affecting the company's economic benefits. Utility Model Content

[0003] To address the shortcomings of the existing technology, this utility model provides a novel inner membrane heat-sealing mechanism to heat-seal the bag body and the inner membrane together.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a novel inner membrane hot-sealing mechanism, comprising a support seat mounted on a frame, the support seat having a bag opening heat-sealing block for heat sealing, a rotating shaft with several cams fixed on it being arranged laterally on the support seat, a drive motor driving the rotating shaft to rotate, an adsorption opening strip being connected to a cam sleeve fitted on the outside of the cam, a front-to-back displacement cylinder being provided on the support seat, the front-to-back displacement cylinder driving the heat sealing base to move back and forth, a lateral displacement cylinder being provided on the heat sealing base, the push rods of two sets of lateral displacement cylinders being connected to the bag opening heat-sealing blocks on the left and right sides, and the adsorption opening strip being connected to an exhaust pump.

[0005] Specifically, the support base has slide rails on both sides inside. The sliders on both sides of the adsorption opening horizontal bar move up and down along the slide rails. The cam sleeve is connected to the top of the adsorption opening horizontal bar through the connecting rod. The cam sleeve can drive the adsorption opening horizontal bar to move up and down and move along the slide rails to achieve linear motion and improve the accuracy of the equipment.

[0006] Specifically, the bottom of the adsorption opening strip is provided with several through holes, which are connected to the air outlet at the top. The air outlet is connected to the exhaust pump through an exhaust pipe. The exhaust pump is used to adsorb the bag opening of the woven bag, thereby opening the bag opening.

[0007] Specifically, the support seat is located on one side of the bag transfer assembly platform of the frame. The support seat is provided with an outer shell baffle to prevent external dust from entering the interior and contaminating the bag opening heat sealing block, thus avoiding affecting the heat sealing effect.

[0008] Specifically, the bag opening heat-sealing block is set on the mounting plate, the push rods of the two sets of lateral displacement cylinders are respectively connected to the mounting plate, the heat-sealing base is provided with double lateral guide rails, and the lateral slider at the bottom of the mounting plate moves left and right along the double lateral guide rails.

[0009] Specifically, the support base is equipped with double slide rails, and the front and rear displacement cylinders installed on the support base are connected to the bottom of the heat-sealing base. The slider of the heat-sealing base moves back and forth along the double slide rails.

[0010] Preferably, a lower adsorption plate is provided below the adsorption opening strip, the through holes of the lower adsorption plate are connected to the air pump, and a lifting drive device is provided below the lower adsorption plate, which drives the lower adsorption plate to move up and down.

[0011] Preferably, a number of bag transfer components are provided on the rear side of the frame, and the tail of the bag is clamped between two sets of synchronous belts that fit together on the upper and lower sides of the bag transfer component. The two sets of synchronous belts can jointly drag and move the bag.

[0012] Preferably, the bag transfer assembly further includes a pressure block on the frame, which allows the timing belts to abut against the pressure block when the tail of the bag is clamped between the two timing belts.

[0013] This utility model has at least the following advantages: The drive motor of this application drives the adsorption opening crossbar to move up and down through a cam and cam sleeve. The adsorption opening crossbar, together with the lower adsorption plate, opens the bag opening. The bag opening heat sealing block extends into the bag body, and the inner and outer bag bodies are heat-sealed by using a heating strip or ultrasonic waves. This design improves the accuracy and automation of the equipment, thereby reducing the manufacturer's manpower and material resources, and improving the production efficiency and product quality of the equipment. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present invention.

[0015] Figure 2 This is a diagram of the internal structure of this utility model.

[0016] Figure 3 This is a top view of the present invention.

[0017] Figure 4 This is the front view of this utility model.

[0018] Figure 5 yes Figure 4 A diagram of the back side.

[0019] Figure 6 This is a schematic diagram of the bag transfer assembly.

[0020] Labeling instructions: 1. Frame; 2. Support base; 3. Drive motor; 4. Adsorption opening crossbar; 5. Front and rear displacement cylinder; 6. Lateral displacement cylinder; 7. Bag opening heat sealing block; 8. Slide rail; 9. Slider; 10. Lower adsorption plate; 11. Bag transfer assembly platform; 12. Outer shell baffle; 21. Outer shell baffle; 31. Cam; 32. Rotary shaft; 51. Heat sealing base; 111. Synchronous belt; 112. Pressure block; 113. Pressure block seat. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 6 The diagram illustrates a novel inner membrane heat sealing mechanism, comprising a support base mounted on a frame. The support base has a bag opening heat-sealing block for heat sealing. A rotating shaft with several fixed cams is horizontally mounted on the support base. A drive motor rotates the shaft. An adsorption opening strip is connected to a cam sleeve fitted outside the cams. A front-to-back displacement cylinder is mounted on the support base, driving the heat-sealing base to move back and forth. A lateral displacement cylinder is mounted on the heat-sealing base. The push rods of two sets of lateral displacement cylinders are connected to the bag opening heat-sealing blocks on the left and right sides. The adsorption opening strip is connected to a suction pump. The support base is located on one side of the bag transfer assembly platform of the frame, and an outer shell baffle is provided outside the support base. A controller is electrically connected to the drive motor, the front-to-back displacement cylinder, the lateral displacement cylinder, and the bag opening heat-sealing block.

[0023] The bag transfer assembly transports the woven bag with the inner film to the designated position. At this point, the adsorption opening strip and the lower adsorption plate are activated to clamp the bag opening, and the air pump draws air to create negative pressure, adsorbing the upper and lower layers of the bag opening. Then, the drive motor and the lifting drive device are activated to separate the adsorption opening strip and the lower adsorption plate, opening the bag opening. Next, the front and rear displacement cylinders are activated to move the entire heat-sealing base forward, allowing the bag opening heat-sealing block to extend into the bag body. Then, the two lateral displacement cylinders are activated to push the bag opening heat-sealing blocks on the left and right sides outward, and the three sections of bag opening heat-sealing blocks (left, middle, and right) heat-seal the inner film and the woven bag. Similarly, the cylinders and motor drive each component to reset, thus completing the inner film heat sealing step, and the bag transfer assembly transports the bag to the next workstation.

[0024] In the above scheme, the support base has slide rails on both sides, and the sliders on both sides of the adsorption opening horizontal bar move up and down along the slide rails. The cam sleeve is connected to the top of the adsorption opening horizontal bar through a connecting rod. The bottom of the adsorption opening horizontal bar has several through holes, which are connected to the air outlet at the top. The air outlet is connected to the exhaust pump through an exhaust pipe. A lower adsorption plate is set below the adsorption opening horizontal bar. The through holes of the lower adsorption plate are connected to the exhaust pump. A lifting drive device is set below the lower adsorption plate. The lifting drive device drives the lower adsorption plate to move up and down. The lifting drive device can be a lifting cylinder or a drive motor that drives the lower adsorption plate to move up and down through a cam.

[0025] Both the adsorption opening strip and the lower adsorption plate are connected to the air pump. The controller sends signals to control the air pump to turn on and off. The upper and lower surfaces of the bag opening are adsorbed through the adsorption opening strip and the lower adsorption plate.

[0026] In the above scheme, the bag opening heat-sealing block is set on the mounting plate, the push rods of the two sets of lateral displacement cylinders are respectively connected to the mounting plate, the heat-sealing base is provided with double lateral guide rails, the lateral slider at the bottom of the mounting plate moves left and right along the double lateral guide rails, the support base is provided with double slide rails, the front and rear displacement cylinders installed on the support base are connected to the bottom of the heat-sealing base, and the slider of the heat-sealing base moves back and forth along the double slide rails.

[0027] The heating module on the bag opening heat-sealing block is connected to the power supply module to achieve the heating function, which can reduce the heat loss of the inner bag film on the outer woven bag. Moreover, it can be replaced with an ultrasonic heat-sealing device to use ultrasound to heat seal the inner and outer films.

[0028] In the above scheme, several sets of bag transfer components are provided on the rear side of the frame. The tail of the bag is clamped between two sets of synchronous belts that fit together. The two sets of synchronous belts can jointly drag the bag. The bag transfer component also includes a pressure block on the frame. When the tail of the bag is clamped between the two sets of synchronous belts, the synchronous belts and the pressure block can abut against each other.

[0029] Furthermore, several sets of bag-transferring components are also arranged in parallel on the rear side of the aforementioned frame to realize the translation of the bag body. The bag-transferring components include two sets of synchronous belts that are arranged vertically and attached together. The tail of the bag body is clamped by the two sets of synchronous belts. When the synchronous belts are running, the bag body can be dragged to the folding mechanism for the folding process, or dragged to the next station for other processes.

[0030] Specifically, since the two sets of synchronous belts need to clamp the bag in order to drag it, a pressure block seat with several pressure blocks is also set on the frame. The pressure block seat is located in the upper set of synchronous belts, and there is a certain gap between the pressure block and the lower side of the synchronous belt. When the bag is clamped between the two sets of synchronous belts, the upper synchronous belt will move upward slightly, thereby abutting against the pressure block. The pressure block can thus restrict the synchronous belt from clamping the bag in the opposite direction, so that the bag can be dragged.

[0031] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A novel internal film searing mechanism comprising a support base mounted on a frame, the support base having a bag opening heat sealing block for heat sealing, characterised in that: A rotating shaft with several fixed cams is horizontally arranged on the support base. The drive motor drives the rotating shaft to rotate. The adsorption opening bar is connected to the cam sleeve sleeve on the outside of the cam. The support base is equipped with a front and rear displacement cylinder. The front and rear displacement cylinder drives the heat sealing base to move back and forth. The heat sealing base is equipped with a lateral displacement cylinder. The push rods of the two sets of lateral displacement cylinders are connected to the bag opening heat sealing blocks on the left and right sides. The adsorption opening bar is connected to the exhaust pump.

2. A novel internal film searing mechanism as claimed in claim 1, characterized in that: The support base has slide rails on both sides inside. The sliders on both sides of the adsorption opening horizontal bar move up and down along the slide rails. The cam sleeve is connected to the top of the adsorption opening horizontal bar through the connecting rod.

3. A novel internal film searing mechanism as claimed in claim 2, wherein: The bottom of the adsorption opening strip is provided with several through holes, which are connected to the air outlet at the top. The air outlet is connected to the exhaust pump through an air outlet pipe.

4. A novel internal film searing mechanism as claimed in claim 1, wherein: The support seat is located on one side of the bag transfer assembly platform of the frame, and an outer shell baffle is provided on the outside of the support seat.

5. A novel internal film searing mechanism as claimed in claim 1, wherein: The bag opening heat-sealing block is mounted on the mounting plate. The push rods of the two sets of lateral displacement cylinders are respectively connected to the mounting plate. The heat-sealing base is equipped with double lateral guide rails. The lateral slider at the bottom of the mounting plate moves left and right along the double lateral guide rails.

6. A novel internal film searing mechanism as claimed in claim 1, characterized in that: The support base is equipped with double slide rails, and the front and rear displacement cylinders installed on the support base are connected to the bottom of the heat-sealing base. The slider of the heat-sealing base moves back and forth along the double slide rails.

7. A novel internal film searing mechanism as claimed in claim 1, wherein: A lower adsorption plate is provided below the adsorption opening strip. The through holes of the lower adsorption plate are connected to the air pump. A lifting drive device is provided below the lower adsorption plate, which drives the lower adsorption plate to move up and down.

8. A novel internal film searing mechanism as claimed in claim 1, characterized in that: Several sets of bag transfer components are provided on the rear side of the frame. The tail of the bag is clamped between two sets of synchronous belts that fit together on the upper and lower sides of the bag transfer component. The two sets of synchronous belts can drag the bag together.

9. A novel internal film searing mechanism as claimed in claim 8, characterized in that: The bag transfer assembly also includes a pressure block on the frame, which allows the timing belts to abut against the pressure block when the tail of the bag is clamped between the two sets of timing belts.

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