CN218317744U - Ton package automatic clamping device - Google Patents

Abstract

The utility model relates to the technical field of industrial ton-pack unloading machinery, and discloses an automatic clamping device for ton-pack, in order to solve the technical problems existing in the clamping of the unloading set of ton-pack in the prior art. The top of the frame is equipped with a main frame, the bottom of the connecting frame is equipped with a chassis, the middle part of the main frame is provided with a connecting cylinder, and the connecting cylinder passes through the chassis, and the chassis is provided with multiple clamps for clamping ton bags along the circumferential direction. An elastic clamping mechanism, the end of the elastic clamping mechanism is connected with the air bag ring arranged inside the connecting frame. On the one hand, the present invention can effectively realize automation. During the movement of the clamping mechanism, by controlling the gas pressure of the compressed gas, the volume change of the airbag ring can be controlled indirectly, so as to achieve reasonable control of the stroke of the clamping mechanism and ensure the cutting of different specifications. The openings can reasonably fix and clamp the ton bags to avoid material waste due to lax binding.

Description

A ton bag automatic clamping device

technical field

The utility model relates to the technical field of industrial ton bag unloading machinery, in particular to an automatic clamping device for ton bag.

Background technique

At present, in the process of factory production, it is often encountered that during the unloading process of filter presses, centrifuges and flash dryers, there are repeated replacements of ton bags, which increases the working pressure of operators; ton bags and discharge ports When the binding is not tight or when the clamping force is too small and the tons of bags fall off, it is easy to cause material run-off, dust flying, material waste, reduce the direct yield of products, and at the same time cause certain harm to the physical safety of employees, and even damage the environmental quality .

With the continuous improvement of the automation level, various clamping devices have emerged, but there are few special clamping devices for the feeding port of the special equipment in the workshop. The current clamping devices are rigid and inelastic, and it is difficult to rely on manual operation. Large, labor-intensive employees; in order to make the ton bag seal tightly to prevent material leakage, a rope will be used to fasten the bag mouth, and the fastening status must be inspected at all times. This operation process is cumbersome and low in technical content, low in automation, and low in efficiency. High strength; prone to operating errors, can not ensure complete clamping, resulting in leakage of materials, there are hidden dangers that endanger human safety and environmental safety. All of these limit the production efficiency and also affect the output of the product.

Utility model content

The purpose of the utility model is to provide an automatic clamping device for tons of bales in order to solve the technical problems existing in the clamping of the unloading set of ton bales in the prior art.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic clamping device for tons of bales, including a connecting frame, a main frame is installed on the top of the connecting frame, a chassis is installed on the bottom of the connecting frame, a connecting cylinder is arranged in the middle of the main frame, and the connecting cylinder passes through the chassis, and the bottom of the connecting frame is equipped with a connecting cylinder. A plurality of elastic clamping mechanisms for clamping ton bags are arranged along the circumferential direction, and the ends of the elastic clamping mechanisms are connected with the airbag ring arranged inside the connecting frame.

Further, the elastic clamping mechanism includes guide rail grooves that are evenly distributed along the circumferential direction and detachably mounted on the chassis. Sliders are installed in the guide rail grooves. shaped platen.

Further, a spring is installed between the two sides of the arc-shaped pressing plate and the two sides of the guide rail groove.

Further, the side of the slider away from the arc-shaped pressure plate is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is fixed to the airbag circle.

Further, a protective ring is fixed on the inner side of the connecting frame, the airbag ring is arranged in the protective ring, and the protective ring at the connection between the airbag ring and the arc-shaped connecting plate is provided with a groove.

Further, both sides of the airbag ring are connected with airbag connecting pipes, and the airbag connecting pipes pass through the connecting frame and are connected with compressed gas pipelines, and the compressed gas pipelines are equipped with self-control valves.

Further, a first fixed block is fixed on both sides of the arc-shaped pressure plate, a second fixed block is fixed on both sides of the guide rail groove, and a spring is installed between the first fixed block and the second fixed block.

Further, both ends of the connecting cylinder are provided with a plurality of bolt holes.

Further, a rubber ring is provided on the inner side of the arc-shaped pressing plate.

Further, a flexible gasket is installed at the joint between the air bag connecting pipe and the connecting frame.

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

1. The present invention drives the volume of the airbag ring to become larger by means of compressed gas, thereby pushing the arc-shaped pressure plate of the clamping mechanism, so that the clamping mechanism as a whole moves relatively along the rectangular guide rail groove. On the one hand, automation can be effectively realized, and the movement of the clamping mechanism During the process, by controlling the gas pressure of the compressed gas, the volume change of the air bag ring is controlled indirectly, so as to achieve a reasonable control of the stroke of the clamping mechanism, and ensure that the different specifications of the feeding port can be properly fixed and clamped ton bags, avoiding the Material waste due to lax binding.

2. The present invention can limit the movement distance of the clamping mechanism on the horizontal plane through the rectangular guide rail groove, effectively prevent the clamping mechanism from overrunning, and can effectively prevent the clamping mechanism from causing pinch injuries to employees. The rectangular guide rail groove can be disassembled and replaced according to different specifications The length of the rectangular guide rail groove is designed at the discharge port to increase the service life of the device and expand the use range of the device.

3. In the present invention, springs are arranged on the clamping mechanism, on the one hand, the recovery speed of the clamping mechanism is increased, and the work efficiency is improved; The clamping mechanism is stuck, and the recovery speed of the clamping mechanism is increased at the same time to prevent the mechanical injury caused by the clamping mechanism to the employee when the employee is dragging the mouth of the ton bag, and to avoid the occurrence of operational accidents.

4. The present invention increases the friction force between the ton bag and the clamping mechanism by setting the arc rubber ring on the arc-shaped pressing plate, effectively preventing the ton bag from falling off and the damage caused by the clamping mechanism to the ton bag; When the pressure is high, the impact force of the clamping mechanism on the discharge port is reduced to protect the discharge port from deformation.

5. The present invention relies on compressed air as the driving force, and the self-control valve as the control end, so as to realize the reduction of device use cost and effectively reduce the cost expenditure. It can realize automatic clamping, the clamping process takes a short time, reduces the labor intensity of employees, has a high level of automation, and improves work efficiency.

6. The present invention has strong practicability. According to the adjustment of the meshing position of the positioning mounting bolts, it can be applied to different equipment and feeding ports of different specifications, so as to improve work efficiency and increase the yield of qualified products.

Description of drawings

Figure 1 is a schematic diagram of the structure of the utility model.

Fig. 2 is a sectional view of the utility model.

Fig. 3 is a schematic diagram of the structure of the main frame of the utility model.

Fig. 4 is a top view of the chassis and clamping mechanism of the present invention.

Fig. 5 is a structural schematic diagram of the utility model after removing the connecting frame.

Fig. 6 is a structural schematic diagram of the slider of the present invention.

Fig. 7 is a sectional view of the connecting frame of the present invention.

The meanings of reference signs are as follows: 1. Main body frame; 11. Connecting cylinder; 12. Bolt hole; 2. Connecting frame; 3. Chassis; 4. Slide block; 41. Rubber ring; 5. Rail groove; 6. Spring; 61. First fixed block; 62. Second fixed block; 7. Air bag ring; 71. Air bag connection; 72. Flexible washer; 8. Self-control valve; 9. Compression gas pipeline.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

As shown in Figure 1-7, an automatic clamping device for tons of bales includes a connecting frame 2. The top of the connecting frame 2 is equipped with a main body frame 1 through bolts, and the bottom of the connecting frame 2 is equipped with a chassis 3 through bolts. The middle part of the frame 1 is integrally provided with a connecting cylinder 11, and the two ends of the connecting cylinder 11 are provided with a plurality of bolt holes 12 for installing positioning bolts, and the connecting cylinder 11 passes through the chassis 3, and the chassis 3 is provided with multiple bolt holes along the circumferential direction. An elastic clamping mechanism for clamping tons of bags, the end of the elastic clamping mechanism is connected with the airbag ring 7 arranged on the inner side of the connecting frame 2.

The elastic clamping mechanism includes guide rail grooves 5 that are evenly distributed at 90 degrees along the circumferential direction and installed on the chassis 3 through bolts. Slider 4 is slid inside guide rail groove 5, and an arc-shaped pressing plate 42 is fixed on one end of the sliding block 4. The arc-shaped pressing plate The inboard of 42 is provided with rubber ring 41, and spring 6 is housed between the both sides of arc-shaped pressing plate 42 and the both sides of guide rail groove 5, and the both sides of arc-shaped pressing plate 42 are welded with first fixed piece 61, two sides of guide rail groove 5 The side is welded with a second fixed block 62, and the spring 6 is installed between the first fixed block 61 and the second fixed block 62; the side of the slider 4 away from the arc-shaped pressing plate 42 is fixedly provided with an arc-shaped connecting plate 43, and the arc-shaped Connecting plate 43 is fixed with air bag ring 7, and the inboard of connecting frame 2 is welded and is provided with protective ring 21, and air bag ring 7 is arranged in the protective ring 21, and the protective ring 21 of air bag ring 7 and arc-shaped connecting plate 43 joints is provided with concave. groove. Both sides of the airbag ring 7 are connected with an airbag connecting pipe 71 (one is an intake pipe and the other is an air outlet pipe). The airbag connecting pipe 71 passes through the connecting frame 2 and is connected with a compressed gas pipeline 9, and the compressed gas pipeline 9 is equipped with a self-control valve. 8. A flexible gasket 72 is installed at the joint of the airbag connecting pipe 71 and the connecting frame 2 .

The working principle of the utility model is as follows:

Before the installation of the device, the connecting cylinder 11 of the main frame 1 is smoothly placed on the equipment discharge port. At this time, the discharge port is located inside the connection cylinder 11, and the connecting cylinder 11 of the main frame 1 is kept in line with the center line of the equipment discharge port. completely coincident. Then tighten the positioning mounting bolts so that the connecting cylinder 11 and the feeding port are integrated. After the installation of the equipment is completed, use compressed air to stretch the ton bag, put the material connection port in the center of the ton bag on the outer surface of the connecting cylinder 11, and then prepare for the clamping operation. (the bottom of the ton bag is supported, this part is the prior art).

When carrying out the clamping operation, tap the control button of the automatic control valve 8 to control the action of the air bag ring 7, check the integrity of the air bag ring 7 and the controllability of the automatic control valve, so that the device meets the use requirements. Thereafter, the control button of the automatic control valve 8 is jogged to control the volume of the air bag ring 7 to continuously increase, and the air bag ring 7 pushes the clamping mechanism 4 to move linearly along the rectangular guide rail groove 5 . The four sets of clamping mechanisms 4 are evenly distributed in 360°, and the air bag ring 7 acts as the center clamping of the four sets of clamping mechanisms 4 . The self-control valve 8 adjusts the volume change of the air bag ring 7, and the air bag ring 7 adjusts the expansion and contraction of the clamping mechanism 4 in the direction of the rectangular guide rail groove 5 guide rail arc pressure plate 42, and adjusts the size of the clamping force.

When carrying out the clamping operation, the spring 6 is in a state of continuous tension. When the clamping operation is over, the self-control valve at the air outlet end of the air bag ring 7 is jogged, and the air bag ring 7 starts to release pressure, the volume is reduced, and the pressure is reduced. The synchronous spring 6 quickly pulls the clamping mechanism 4 along the rectangular guide rail under the action of elastic force. Slot 5 is quickly recovered. Each time the clamping operation is performed, the air bag ring 7 and the four sets of clamping mechanisms 4 reciprocate in this way, and the clamping operation can be successfully completed each time. The size of the pressing plate 42, the linear guide rail and the arc-shaped connecting plate 43, or adjusting the length of the rectangular guide rail groove 5 can meet the requirements of use and improve the clamping operation efficiency.

Claims (10)

1. An automatic clamping device for tons of bales, which is characterized in that it includes a connecting frame (2), the main body frame (1) is installed on the top of the connecting frame (2), and the chassis (3) is installed on the bottom of the connecting frame (2). ), the middle part of the main body frame (1) is provided with a connecting cylinder (11), and the connecting cylinder (11) passes through the chassis (3), The chassis (3) is provided with a plurality of elastic clamping mechanisms for clamping ton bags along the circumferential direction, and the ends of the elastic clamping mechanisms are connected with the air bag ring (7) arranged inside the connecting frame (2). 2. An automatic ton bag clamping device according to claim 1, characterized in that: the elastic clamping mechanism includes guide rail grooves (5) uniformly distributed along the circumferential direction and detachably installed on the chassis (3), A slide block (4) is slidably installed in the guide rail groove (5), and one end of the slide block (4) is connected with the air bag ring (7), and the other end of the slide block (4) is provided with an arc-shaped pressing plate (42). 3. The ton bag automatic clamping device according to claim 2, characterized in that: a spring (6) is installed between the two sides of the arc-shaped pressing plate (42) and the two sides of the guide rail groove (5) . 4. An automatic clamping device for tons of bales according to claim 3, characterized in that: the side of the slider (4) away from the arc-shaped pressing plate (42) is provided with an arc-shaped connecting plate (43), the arc Shape connecting plate (43) is fixed with air bag ring (7). 5. An automatic clamping device for tons of bales according to claim 4, characterized in that: a protective ring (21) is fixed on the inner side of the connecting frame (2), and the air bag ring (7) is set on the protective In the ring (21), and the protective ring (21) at the junction of the airbag ring (7) and the arc connecting plate (43) is provided with a groove. 6. An automatic clamping device for tons of bales according to claim 1, characterized in that: both sides of the airbag ring (7) are connected with airbag connecting pipes (71), and the airbag connecting pipes (71) pass through the connecting frame (2) A compressed gas pipeline (9) is connected to the rear, and a self-control valve (8) is installed on the compressed gas pipeline (9). 7. The ton bag automatic clamping device according to claim 5, characterized in that: first fixing blocks (61) are fixed on both sides of the arc-shaped pressing plate (42), and the guide rail groove (5) A second fixed block (62) is fixed on both sides of the two sides, and the spring (6) is installed between the first fixed block (61) and the second fixed block (62). 8. The ton bag automatic clamping device according to claim 1, characterized in that: both ends of the connecting cylinder (11) are provided with a plurality of bolt holes (12) for installing positioning bolts. 9. The automatic ton bag clamping device according to claim 2, characterized in that: a rubber ring (41) is provided on the inner side of the arc-shaped pressing plate (42). 10. The automatic ton bag clamping device according to claim 6, characterized in that: a flexible washer (72) is installed at the joint between the air bag connecting pipe (71) and the connecting frame (2).

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