Conveying type bag clamping mechanism

Abstract

The utility model provides a conveying type bag clamping mechanism which comprises a frame body and further comprises a conveying mechanism and a clamping mechanism which are installed on the frame body. The conveying mechanism comprises a gear box installed on the frame body, a driving motor driving a gear in the gear box to rotate, a transmission assembly in transmission fit with the gear box and a multi-wedge belt pulley matched with the transmission assembly. The clamping mechanism comprises a first clamping arm rotationally connected to the bottom end of the frame body, a second clamping arm arranged opposite to the first clamping arm, a driving air cylinder driving the first clamping arm and the second clamping arm to swing in the opposite direction or the reverse direction, and a first conveying frame connected to the bottom end of the first clamping arm. The second conveying frame is connected to the bottom end of the second clamping arm, and the two clamping plates protrude out of the inner side of the first conveying frame and the inner side of the second conveying frame correspondingly. The device is stable in conveying and flat in clamping, dust can be prevented from running out, and the seaming effect can be better.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a conveying bag clamping mechanism. Background Art

[0002] There are many molded bag clamping mechanisms on the market now, and most of them can be used, but their clamping strength is not enough, the movement is not smooth, and the clamped objects are easily out of sync with the conveyor belt during use, causing tilting and serious powder leakage. Utility Model Content

[0003] Based on the above problems, the utility model aims to provide a conveying bag clamping mechanism with stable conveying and smooth clamping.

[0004] In view of the above problems, the following technical solutions are provided: a conveying bag clamping mechanism, comprising a frame, a conveying mechanism and a clamping mechanism installed on the frame, wherein the conveying mechanism comprises a gear box installed on the frame, a driving motor for driving the gears in the gear box to rotate, a transmission assembly matched with the gear box, and a multi-gear pulley matched with the transmission assembly, and the clamping mechanism comprises a first clamping arm rotatably connected to the bottom end of the frame, a second clamping arm arranged opposite to the first clamping arm, and a driving motor for driving the first clamping arm and the second clamping arm to swing toward or in the opposite direction. A moving cylinder, a first conveyor frame connected to the bottom end of the first clamping arm, a second conveyor frame connected to the bottom end of the second clamping arm, and two clamping plates respectively protruding from the inner sides of the first conveyor frame and the second conveyor frame, the multi-wedge pulley includes a driving wheel matched with the transmission assembly and a driven wheel driven by the driving wheel through a synchronous belt, the driving wheel and the driven wheel are each provided with two groups, which are respectively located at the bottom of the first conveyor frame and the second conveyor frame, and the outer edges of the driving wheel and the driven wheel protrude from the inner edges of the first conveyor frame and the second conveyor frame to a position tangent to the inner wall of the clamping plate.

[0005] In the above structure, in the initial state, the driving cylinder is in an extended state, the first clamping arm, the second clamping arm and the first conveying frame, the second conveying frame are in an open state, and when the belt conveyor on the equipment conveys the bag to between the first conveying frame and the second conveying frame, the driving cylinder controls the cylinder shaft to retract, controls the first clamping arm and the second clamping arm to swing toward each other, so that the first conveying frame and the second conveying frame are displaced toward each other, and the two clamping plates clamp the bag mouth of the bag, so that the bag mouth is closed to prevent dust from spraying out; then the driving motor controls the gear in the gear box to rotate, the gear controls the driving wheel to rotate through the transmission assembly, the driving wheel drives the driven wheel to rotate through the synchronous belt, and the belt conveyor on the equipment is started at the same time, so that the two are synchronously cooperated to convey the bag to the folding machine, thereby avoiding the bag from tilting, improving the beauty of the seam and the effect of the seam. By setting the conveying mechanism, the utility model can synchronously convey the bag through the synchronous belt and the belt conveyor on the equipment, thereby improving the stability of the bag displacement. By setting two clamping plates to clamp the bag mouth, the flatness of the bag mouth can be further improved, and the effect of the seam is improved. The outer edges of the driving wheel and the driven wheel protrude from the first conveying frame and the inner edges of the second conveying frame to facilitate the synchronous belt to abut against the bag opening for conveying, thereby improving the synchronization of bag conveying and further improving the stability of the bag.

[0006] The utility model is further configured such that the transmission assembly includes a first transmission shaft that is transmission-matched with the gear in the gear box, a second transmission shaft that is transmission-matched with the driving wheel, and a connecting shaft that connects the first transmission shaft and the second transmission shaft through a universal joint coupling.

[0007] In the above structure, the first transmission shaft, the second transmission shaft, the universal joint coupling and the connecting shaft cooperate to realize the driving motor controlling the rotation of the multi-wheel pulley, and can improve the stability of the transmission component, thereby improving the reliability of the utility model.

[0008] The utility model is further configured that the bottom of the frame body and the tops of the first conveying frame and the second conveying frame are all provided with bearing seats for connecting the first transmission shaft and the second transmission shaft, and the universal joint coupling is fixed to the end of the bearing seat.

[0009] In the above structure, the bearing seat is provided to facilitate the installation of the first transmission shaft, the second transmission shaft and the universal joint coupling, thereby improving the stability of the conveying mechanism and further improving the reliability of the utility model.

[0010] The utility model is further configured that the multi-wheel pulley also includes a plurality of transition wheels arranged at intervals between the driving wheel and the driven wheel.

[0011] In the above structure, by providing multiple transition wheels, the tension of the synchronous belt can be increased, and the stability of the contact between the synchronous belt and the bag opening can be improved, thereby improving the stability of the synchronous conveying of the bags by the belt conveyor of the conveying mechanism and the equipment.

[0012] The utility model is further configured that one end of the driving cylinder is connected to the middle part of the first clamping arm, and the other end is connected to the middle part of the second clamping arm.

[0013] The above structure can improve the stability of the first clamping arm and the second clamping arm when they are swinging, thereby improving the reliability of the bag clamping device of the utility model.

[0014] The utility model is further configured such that a plurality of the first clamping arms and the second clamping arms are spaced apart from each other, the plurality of the first clamping arms are connected by a first connecting rod, and the plurality of the second clamping arms are connected by a second connecting rod.

[0015] The above structure can improve the clamping force of the clamping mechanism, thereby improving the reliability of the utility model. The first connecting rod and the second connecting rod can improve the synchronization of each first clamping arm and the second clamping arm, thereby improving the flatness of the clamping bag of the utility model.

[0016] The utility model is further configured that a polished rod is provided below the frame, both ends of the polished rod are connected to the bottom of the frame through lugs, two groups of the polished rod are symmetrically arranged, and the top ends of the first clamping arm and the second clamping arm are both rotatably matched with the polished rod.

[0017] By adopting the above structure, the first clamping arm and the second clamping arm can be rotatably connected to the bottom of the frame.

[0018] The utility model is further configured such that a meshing tooth is provided on a side of the top end of the first clamping arm facing the second clamping arm, and a meshing groove matched with the meshing tooth is provided on a side of the second clamping arm facing the first clamping arm.

[0019] In the above structure, the top of the first clamping arm and the second clamping arm cooperate with the meshing teeth and the meshing groove to improve the synchronization of the swing of the first clamping arm and the second clamping arm, and can improve the strength of the clamping plate clamping the bag opening, thereby improving the reliability of the utility model.

[0020] The utility model is further configured such that the bottom ends of the first clamping arm and the second clamping arm are respectively fixed to the first conveying frame and the second conveying frame through double ear seats.

[0021] In the above structure, fixing by the double ear seat can improve the connection strength between the first clamping arm, the second clamping arm and the first conveying frame, the second conveying frame, thereby improving the structural strength of the utility model.

[0022] The utility model is further configured that the clamping mechanism is provided with two groups at both ends of the frame, and baffles are installed on both side walls of the frame.

[0023] In the above structure, the baffle can play a protective role by being provided, thereby improving the reliability of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 This is a schematic diagram of the structure of the utility model without a baffle on one side.

[0026] Figure 3 This is a schematic diagram of the structure without the baffle in the utility model. Figure 1 .

[0027] Figure 4 This is a schematic diagram of the structure without the baffle in the utility model. Figure 2 .

[0028] Figure 5 This is a schematic diagram of the structure without the baffle in the utility model. Figure 3 .

[0029] Figure 6 It is a structural schematic diagram of the clamping mechanism of the utility model in the initial state.

[0030] Figure 7 It is a structural schematic diagram of the clamping mechanism of the utility model in the clamping state.

[0031] Meanings of the numbers in the figure: 1-frame; 2-conveying mechanism; 3-clamping mechanism; 21-gear box; 22-driving motor; 23-transmission assembly; 24-multi-gear pulley; 31-first clamping arm; 32-second clamping arm; 33-driving cylinder; 34-first conveying frame; 35-second conveying frame; 36-clamping plate; 241-driving wheel; 242-driven wheel; 231-first transmission shaft; 232-second transmission shaft; 4-universal joint coupling; 233-connecting shaft; 5-bearing seat; 243-transition wheel; 6-first connecting rod; 7-second connecting rod; 11-naked rod; 12-lug; 311-meshing teeth; 321-meshing groove; 8-double-lug seat; 9-baffle. DETAILED DESCRIPTION

[0032] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0033] It should be noted that the multi-gear pulley, synchronous belt, belt conveyor drive cylinder and drive motor in this article all adopt existing conventional technologies and will not be described in detail here.

[0034] like Figures 1 to 7 The conveying bag clamping mechanism shown in the figure includes a frame 1, a conveying mechanism 2 and a clamping mechanism 3 installed on the frame 1, the conveying mechanism 2 includes a gear box 21 installed on the frame 1, a driving motor 22 driving the gears in the gear box 21 to rotate, a transmission assembly 23 matched with the gear box 21, and a multi-gear pulley 24 matched with the transmission assembly 23, the clamping mechanism 3 includes a first clamping arm 31 rotatably connected to the bottom end of the frame 1, a second clamping arm 32 arranged opposite to the first clamping arm 31, a driving cylinder 33 driving the first clamping arm 31 and the second clamping arm 32 to swing toward or in the opposite direction, and a first clamping arm 31 connected to the second clamping arm 32. The first conveyor frame 34 at the bottom, the second conveyor frame 35 connected to the bottom end of the second clamping arm 32, and two clamping plates 36 protruding from the inner sides of the first conveyor frame 34 and the second conveyor frame 35 respectively, the multi-key pulley 24 includes a driving wheel 241 that cooperates with the transmission assembly 23 and a driven wheel 242 that is driven by the driving wheel 241 through a synchronous belt. The driving wheel 241 and the driven wheel 242 are each provided with two groups, which are respectively located at the bottom of the first conveyor frame 34 and the second conveyor frame 35. The outer edges of the driving wheel 241 and the driven wheel 242 protrude from the inner edges of the first conveyor frame 34 and the second conveyor frame 35 to a position tangent to the inner wall of the clamping plate 36.

[0035] In the above structure, in the initial state, the driving cylinder 33 is in an extended state, and the first clamping arm 31, the second clamping arm 32 and the first conveying frame 34, the second conveying frame 35 are in an open state. When the belt conveyor on the equipment conveys the bag to between the first conveying frame 34 and the second conveying frame 35, the driving cylinder 33 controls the cylinder shaft to retract, controls the first clamping arm 31 and the second clamping arm 32 to swing toward each other, so that the first conveying frame 34 and the second conveying frame 35 are displaced toward each other, so that the two clamping plates 36 clamp the bag opening of the bag, so that the bag opening is closed to prevent dust from being sprayed out; then the driving motor 22 controls the rotation of the gear in the gear box 21, and the gear controls the rotation of the driving wheel 241 through the transmission assembly 23. The driving wheel 241 drives the driven wheel 242 to rotate and cooperate through the synchronous belt, and the belt conveyor on the equipment is started at the same time, so that the two cooperate synchronously to convey the bag to the folding machine, thereby preventing the bag from tilting and improving the beauty of the sewing and the effect of the sewing. By setting the conveying mechanism 2, the utility model can synchronously convey the bag through the synchronous belt and the belt conveyor on the equipment, thereby improving the stability of the bag displacement. By setting two clamping plates 36 to clamp the bag opening, the flatness of the bag opening can be further improved, and the seam effect is improved. The outer edges of the driving wheel 241 and the driven wheel 242 protrude from the inner edges of the first conveying frame 34 and the second conveying frame 35 to facilitate the synchronous belt to abut against the bag opening for conveying, improve the synchronization of bag conveying, and thereby improve the stability of the bag.

[0036] In this embodiment, the transmission assembly 23 includes a first transmission shaft 231 that is in transmission cooperation with the gear inside the gear box 21, a second transmission shaft 232 that is in transmission cooperation with the driving wheel 241, and a connecting shaft 233 that connects the first transmission shaft 231 and the second transmission shaft 232 through a universal joint coupling 4.

[0037] In the above structure, the first transmission shaft 231, the second transmission shaft 232, the universal joint coupling 4 and the connecting shaft 233 cooperate with each other, so as to realize the driving motor 22 controlling the rotation of the multi-wheel pulley 24, and can improve the stability of the transmission component 23, thereby improving the reliability of the utility model.

[0038] In this embodiment, the bottom of the frame body 1 and the tops of the first conveying frame 34 and the second conveying frame 35 are all provided with bearing seats 5 for connecting the first transmission shaft 231 and the second transmission shaft 232 , and the universal joint coupling 4 is fixed to the end of the bearing seat 5 .

[0039] In the above structure, the bearing seat 5 is provided to facilitate the installation of the first transmission shaft 231, the second transmission shaft 232 and the universal joint coupling 4, thereby improving the stability of the conveying mechanism 2 and further improving the reliability of the utility model.

[0040] In this embodiment, the multi-wheel pulley 24 further includes a plurality of transition wheels 243 disposed at intervals between the driving wheel 241 and the driven wheel 242 .

[0041] In the above structure, by providing multiple transition wheels 243, the tension of the synchronous belt can be increased, and the stability of the contact between the synchronous belt and the bag opening can be improved, thereby improving the stability of the conveying mechanism 2 cooperating with the belt conveyor of the equipment to synchronously convey the bags.

[0042] In this embodiment, one end of the driving cylinder 33 is connected to the middle of the first clamping arm 31 , and the other end is connected to the middle of the second clamping arm 32 .

[0043] The above structure can improve the stability of the first clamping arm 31 and the second clamping arm 32 when they are swinging, thereby improving the reliability of the bag clamping device of the utility model.

[0044] In this embodiment, a plurality of the first clamping arms 31 and the second clamping arms 32 are arranged at intervals, the plurality of the first clamping arms 31 are connected by a first connecting rod 6 , and the plurality of the second clamping arms 32 are connected by a second connecting rod 7 .

[0045] The above structure can improve the clamping force of the clamping mechanism 3, thereby improving the reliability of the utility model. The first connecting rod 6 and the second connecting rod 7 can improve the synchronization of each first clamping arm 31 and the second clamping arm 32, thereby improving the flatness of the clamping bag of the utility model.

[0046] In this embodiment, a light rod 11 is provided under the frame 1. Both ends of the light rod 11 are connected to the bottom of the frame 1 through lugs 12. Two groups of light rods 11 are symmetrically arranged. The top ends of the first clamping arm 31 and the second clamping arm 32 are both rotatably matched with the light rod 11.

[0047] By adopting the above structure, the first clamping arm 31 and the second clamping arm 32 can be rotatably connected to the bottom of the frame body 1 .

[0048] In this embodiment, a meshing tooth 311 is formed on the top of the first clamping arm 31 facing the second clamping arm 32 , and a meshing groove 321 matched with the meshing tooth 311 is formed on the side of the second clamping arm 32 facing the first clamping arm 31 .

[0049] In the above structure, the tops of the first clamping arm 31 and the second clamping arm 32 cooperate with the meshing teeth 311 and the meshing grooves 321 to improve the synchronization of the swinging of the first clamping arm 31 and the second clamping arm 32, and to improve the strength of the clamping plate 36 in clamping the bag opening, thereby improving the reliability of the utility model.

[0050] In this embodiment, the bottom ends of the first clamping arm 31 and the second clamping arm 32 are respectively fixed to the first conveying frame 34 and the second conveying frame 35 through the double ear seats 8.

[0051] In the above structure, fixing by the double-ear seat 8 can improve the connection strength between the first clamping arm 31, the second clamping arm 32 and the first conveying frame 34, the second conveying frame 35, thereby improving the structural strength of the utility model.

[0052] In this embodiment, two groups of the clamping mechanisms 3 are provided at both ends of the frame 1 , and baffles 9 are installed on both side walls of the frame 1 .

[0053] In the above structure, the baffle 9 can play a protective role, thereby improving the reliability of the utility model.

[0054] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. A conveyor bag clamping mechanism, comprising a frame, characterized in that: The cam is an angular contact surface that is provided on a bottom surface of the cam, and the cam is provided with a toothed structure that is cooperative with the toothed structure. The toothed structure is provided with a toothed structure that is cooperative with the toothed structure. The toothed structure is provided with a toothed structure that is cooperative with the toothed structure.

2. A conveying bag clamping mechanism according to claim 1, characterized in that: The transmission assembly includes a first transmission shaft that is in transmission cooperation with the gear in the gear box, a second transmission shaft that is in transmission cooperation with the driving wheel, and a connecting shaft that connects the first transmission shaft and the second transmission shaft through a universal joint coupling.

3. A conveying bag clamping mechanism according to claim 2, characterized in that: The bottom of the frame body and the tops of the first conveying frame and the second conveying frame are all provided with bearing seats for connecting the first transmission shaft and the second transmission shaft, and the universal joint coupling is fixed to the end of the bearing seat.

4. A conveying bag clamping mechanism according to claim 3, characterized in that: The multi-gear pulley also includes a plurality of transition wheels which are arranged at intervals between the driving wheel and the driven wheel.

5. A conveying bag clamping mechanism according to claim 1, characterized in that: One end of the driving cylinder is connected to the middle part of the first clamping arm, and the other end is connected to the middle part of the second clamping arm.

6. A conveying bag clamping mechanism according to claim 5, characterized in that: A plurality of the first clamping arms and the second clamping arms are arranged at intervals, the plurality of the first clamping arms are connected by a first connecting rod, and the plurality of the second clamping arms are connected by a second connecting rod.

7. A conveying bag clamping mechanism according to claim 6, characterized in that: A polished rod is provided below the frame, and both ends of the polished rod are connected to the bottom of the frame through lugs. Two groups of polished rods are symmetrically arranged, and the top ends of the first clamping arm and the second clamping arm are both rotatably matched with the polished rod.

8. A conveying bag clamping mechanism according to claim 7, characterized in that: A meshing tooth is provided on the top of the first clamping arm facing the side of the second clamping arm, and a meshing groove matched with the meshing tooth is provided on the side of the second clamping arm facing the first clamping arm.

9. A conveying bag clamping mechanism according to claim 8, characterized in that: The bottom ends of the first clamping arm and the second clamping arm are respectively fixed on the first conveying frame and the second conveying frame through double ear seats.

10. A conveying bag clamping mechanism according to claim 9, characterized in that: The clamping mechanism is provided with two groups at both ends of the frame, and baffles are installed on both side walls of the frame.

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