Manipulator for bag clamping machine

Abstract

The utility model relates to the technical field of bag clamping machines, and discloses a mechanical arm for a bag clamping machine, which comprises a base, an air cylinder is fixedly arranged on the side surface of the base, a piston rod is arranged on the air cylinder, a clamping jaw is movably connected onto the piston rod, a connecting rod is movably connected onto the clamping jaw, and the connecting rod is fixedly connected onto the base. The end, away from the clamping jaw, of the connecting rod is further movably connected with the base. The base is further provided with a mounting assembly and an auxiliary assembly. The mounting assembly comprises a chain wheel rotationally arranged in the base, a chain arranged in a cavity in the base and a fixing nut fixedly mounted on the side wall of the inner cavity of the base. According to the mechanical arm for the bag clamping machine, the mounting assembly is arranged, and the states of the multiple connecting bolts in the mounting assembly are linked, so that the positions of the multiple connecting bolts can be adjusted at the same time, the mechanical arm is rapidly mounted on the bag clamping machine, meanwhile, the disassembly step of the mechanical arm can be simplified, and the use efficiency is improved; and subsequent corresponding processes can be conveniently carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to bag clamping machine technical field, concretely is a kind of mechanical hand for bag clamping machine. BACKGROUND

[0002] Bag clamping machine is mainly composed of feeder, bag clamping device, sealer and other parts, and its working principle is that product is sent into bag by feeder, then bag is clamped by bag clamping device, and finally bag is sealed by sealer.

[0003] Therefore, the structure of the whole bag clamping machine is complex, especially in the maintenance process of the mechanical hand used for clamping bag, the state of multiple bolts needs to be adjusted to disassemble the mechanical hand module, so that the whole step operation is cumbersome, which affects the actual use efficiency, therefore, the utility model provides a kind of mechanical hand for bag clamping machine to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of mechanical hand for bag clamping machine, solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: a kind of mechanical hand for bag clamping machine, it include: base, the side surface of the base is fixedly arranged with pneumatic cylinder, the pneumatic cylinder is provided with piston rod, the piston rod is movably connected with clamping jaw, the clamping jaw is movably connected with connecting rod, the end portion of the connecting rod away from clamping jaw is also movably connected with base, installation assembly and auxiliary assembly are also provided on the base;The installation assembly includes sprocket rotatably arranged in the base, chain arranged at the cavity of the base and fixed nut fixedly installed in the cavity side wall of the base, the side surface of the sprocket is fixedly installed with square bar, the square bar is slidably connected with connecting bolt, and the upper end of square bar is fixedly installed with stop block, the connecting bolt is also threadedly connected with fixed nut;The auxiliary assembly includes connecting shaft rotatably arranged in the base, the upper end of the connecting shaft is fixedly connected with sprocket, and the lower end of the connecting shaft is fixedly installed with cylindrical head, T-shaped rod is also slidably arranged on the connecting shaft, the end portion of the T-shaped rod is fixedly installed with friction ring, the inside of the cylindrical head is slidably arranged with sliding plate, the side surface of the sliding plate is fixedly installed with return spring, the upper end of the return spring is fixedly connected with cylindrical head, and the sliding plate is also fixedly connected with T-shaped rod.

[0006] Preferably, the sprocket is provided with four, and the four sprockets are connected by chain transmission.

[0007] Preferably, the stop block is located in the connecting bolt, and the stop block is also slidably connected with the connecting bolt.

[0008] Preferably, the base is provided with an auxiliary hole for passing a connecting bolt, and the part of the connecting bolt passing through the base can be screwed with the body of the bag clamping machine.

[0009] Preferably, the connecting bolt is located above a columnar head, and the columnar head is provided with a hexagonal socket for inserting a hexagonal wrench.

[0010] Preferably, the friction ring can form a contact surface with the base, and the contact surface is provided with friction lines for enhancing friction.

[0011] Preferably, the columnar head is provided with a through hole for passing a T-shaped rod, and the T-shaped rod is also slidingly connected with the columnar head.

[0012] Preferably, the shape of the sliding plate is consistent with the shape of the hexagonal through hole.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The mechanical hand for the bag clamping machine, through the installation assembly, the state of the multiple connecting bolts in the installation assembly is connected, so that the positions of the multiple connecting bolts can be adjusted at the same time, the mechanical hand is quickly installed on the bag clamping machine, the disassembly steps of the mechanical hand are simplified, the use efficiency is improved, and the subsequent corresponding process is facilitated.

[0015] 2. The mechanical hand for the bag clamping machine, through the state of the connecting bolt driven by the auxiliary assembly, and the friction ring and the reset spring in the auxiliary assembly, a certain friction force can be formed to lock the internal structure, so that the stability of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the partial structure of the utility model;

[0018] Figure 3 It is an exploded view of the installation assembly structure of the utility model;

[0019] Figure 4 It is an exploded view of the auxiliary assembly structure of the utility model.

[0020] In the drawing: 1, base; 2, air cylinder; 3, piston rod; 4, connecting rod; 5, clamping jaw; 6, installation assembly; 61, connecting bolt; 62, fixed nut; 63, chain wheel; 64, chain; 65, square rod; 66, stop block; 7, auxiliary assembly; 71, columnar head; 72, connecting shaft; 73, friction ring; 74, T-shaped rod; 75, reset spring; 76, sliding plate. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4 A mechanical hand for a bag clamping machine, comprising: a base 1, a side surface of the base 1 is fixedly provided with a gas cylinder 2, the gas cylinder 2 is provided with a piston rod 3, the piston rod 3 is movably connected with a clamping jaw 5, the clamping jaw 5 is movably connected with a connecting rod 4, the end of the connecting rod 4 away from the clamping jaw 5 is also movably connected with the base 1, the base 1 is also provided with a mounting assembly 6 and an auxiliary assembly 7.

[0023] The mounting assembly 6 comprises a sprocket 63 rotatably arranged in the base 1, a chain 64 arranged in the cavity of the base 1, and a fixed nut 62 fixedly installed on the inner wall of the base 1, the side surface of the sprocket 63 is fixedly installed with a square rod 65, the square rod 65 is slidably connected with a connecting bolt 61, the upper end of the square rod 65 is fixedly installed with a stop block 66, and the connecting bolt 61 is also threadedly connected with the fixed nut 62; the sprocket 63 is provided with four, the four sprockets 63 are drivingly connected through the chain 64, which can effectively improve the flexibility of the overall structural design, so as to improve the use efficiency of the overall structure, the stop block 66 is located in the connecting bolt 61, and the stop block 66 is also slidably connected with the connecting bolt 61, the base 1 is provided with an auxiliary hole for penetrating the connecting bolt 61, and the part of the connecting bolt 61 penetrating the base 1 can be threadedly connected with the body of the bag clamping machine.

[0024] The auxiliary assembly 7 comprises a connecting shaft 72 rotatably arranged in the base 1, the upper end of the connecting shaft 72 is fixedly connected with the sprocket 63, and the connecting shaft 72 is fixedly installed through the lower end of the base 1 and has a columnar head 71, a T-shaped rod 74 is slidably arranged on the connecting shaft 72, the T-shaped rod 74 is fixedly installed through the end of the connecting shaft 72 and has a friction ring 73, a sliding plate 76 is slidably arranged in the columnar head 71, a return spring 75 is fixedly installed on the side of the sliding plate 76, the upper end of the return spring 75 is fixedly connected with the columnar head 71, the sliding plate 76 is also fixedly connected with the T-shaped rod 74, the connecting bolt 61 is located above the columnar head 71, a hexagonal socket is formed in the columnar head 71 and can be inserted with a hexagonal wrench, the friction ring 73 can be in contact with the base 1 to form a contact surface, and the contact surface is provided with friction lines for enhancing friction, a through hole is formed in the columnar head 71 for passing through the T-shaped rod 74, and the T-shaped rod 74 is also slidably connected with the columnar head 71, the shape of the sliding plate 76 is consistent with the shape of the hexagonal through hole, so that after the hexagonal wrench is inserted, the sliding plate 76 is synchronously slid to change the position of the friction ring 73.

[0025] The working principle is that when the clamping and opening processing is performed, the cylinder 2 is started, so that the piston rod 3 on the cylinder 2 slides up and down, the two ends of the connecting rod 4 are respectively movably connected with the base 1 and the clamping jaw 5, and the clamping jaw 5 is also rotatably connected with the piston rod 3, so that the angle between the two clamping jaws 5 can be changed during the up and down sliding of the piston rod 3, so as to achieve the purpose of clamping and opening the opening;

[0026] When the whole mechanical hand is installed in the body of the bag clamping machine, the hexagonal wrench is inserted into the columnar head 71, the sliding plate 76 is pressed, the friction ring 73 is pushed to slide through the T-shaped rod 74, a gap is formed between the friction ring 73 and the base 1, and then the columnar head 71 is rotated through the hexagonal wrench, the connecting shaft 72 fixedly connected with the columnar head 71 and the sprocket 63 fixedly connected with the connecting shaft 72 are synchronously rotated in the base 1, a plurality of sprockets 63 are drivingly connected through the chain 64, the plurality of sprockets 63 can be synchronously rotated, the square rod 65 slidably connected with the connecting bolt 61 is fixedly arranged on the sprocket 63, the connecting bolt 61 is also threadedly connected with the fixing nut 62 fixedly arranged in the base 1, after the sprocket 63 is rotated, the plurality of connecting bolts 61 can be rotated out of the base 1 and then rotated into the body of the bag clamping machine, so that the whole structure is installed, finally the wrench is pulled out, the gap between the friction ring 73 and the base 1 is eliminated under the action of the return spring 75 fixedly connected with the sliding plate 76 and the columnar head 71, the friction lines on the friction ring 73 are in close contact with the base 1 to form a certain friction force, so that the internal structure movement can be locked, and the stability of the whole device is improved.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A robotic arm for a bag clamping machine, characterized in that, Include: The base (1), the side of the base (1) is fixedly provided with a pneumatic cylinder (2), the pneumatic cylinder (2) is provided with a piston rod (3), the piston rod (3) is movably connected with a clamping jaw (5), the clamping jaw (5) is movably connected with a connecting rod (4), the end of the connecting rod (4) away from the clamping jaw (5) is also movably connected with the base (1), the base (1) is also provided with a mounting assembly (6) and an auxiliary assembly (7); The mounting assembly (6) includes a sprocket (63) rotatably arranged in the base (1), a chain (64) arranged in the cavity of the base (1), and a fixed nut (62) fixedly installed on the side wall of the inner cavity of the base (1), the side of the sprocket (63) is fixedly installed with a square rod (65), the square rod (65) is slidably connected with a connecting bolt (61), and the upper end of the square rod (65) is fixedly installed with a stop block (66), the connecting bolt (61) is also threadedly connected with the fixed nut (62); The auxiliary assembly (7) includes a connecting shaft (72) rotatably arranged in the base (1), the upper end of the connecting shaft (72) is fixedly connected with the sprocket (63), and the connecting shaft (72) is fixedly installed with a cylindrical head (71) through the lower end of the base (1), the connecting shaft (72) is also slidably provided with a T-shaped rod (74), the end of the T-shaped rod (74) is fixedly installed with a friction ring (73) through the connecting shaft (72), the inner part of the cylindrical head (71) is slidably provided with a sliding plate (76), the side of the sliding plate (76) is fixedly installed with a return spring (75), the upper end of the return spring (75) is fixedly connected with the cylindrical head (71), and the sliding plate (76) is also fixedly connected with the T-shaped rod (74).

2. The mechanical hand for a bag sealer according to claim 1, characterized in that, The sprocket (63) is provided with four, and the four sprockets (63) are drivingly connected by the chain (64).

3. The mechanical hand for a bag sealer as claimed in claim 1, wherein The stop block (66) is located in the connecting bolt (61), and the stop block (66) is also slidably connected with the connecting bolt (61).

4. The machine hand for bag-sealing machines according to claim 1, characterized in that, The base (1) is provided with an auxiliary hole for passing through the connecting bolt (61), and the part of the connecting bolt (61) passing through the base (1) can be threadedly connected with the body of the bag clamping machine.

5. The mechanical hand for a bag placing machine according to claim 1, characterized in that, The connecting bolt (61) is located above the cylindrical head (71), and a hexagonal socket is formed in the cylindrical head (71) for inserting a hexagonal wrench.

6. The mechanical hand for a bag placing machine according to claim 1, wherein The friction ring (73) can contact the base (1) to form a contact surface, and the contact surface is provided with friction lines for enhancing friction.

7. The machine hand for bag-sealing machines according to claim 1, characterized in that, The cylindrical head (71) is provided with a through hole for passing through the T-shaped rod (74), and the T-shaped rod (74) is also slidably connected with the cylindrical head (71).

8. The machine hand for bag-sealing machines according to claim 5, characterized in that, The shape of the sliding plate (76) is consistent with the shape of the hexagonal socket.

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