Shearing mechanism

Abstract

The utility model relates to the technical field of bucket packaging film shearing, and discloses a shearing mechanism which comprises a bottom plate, a first shearing assembly and a second shearing assembly are arranged on the left side and the right side of the bottom plate respectively, clamping assemblies are arranged at the lower ends of the first shearing assembly and the second shearing assembly, and a bucket is placed at the upper end of the bottom plate. Plastic films are arranged on the two sides of the water barrel, heating pieces are arranged on the first shearing assembly and the second shearing assembly, the second shearing assembly comprises a second pressing plate, and a first square groove is formed in the left side of the second pressing plate. A first hydraulic press and a second hydraulic press move relatively, meanwhile, heating pieces are arranged on the opposite faces of a first pressing plate and a second pressing plate, so that a plastic film is clamped and welded, meanwhile, a cutter capable of sliding in the second pressing plate and a first spring are arranged, so that the plastic film is sheared in the clamping and welding process, and the plastic film is cut off. And meanwhile, the clamping assembly is arranged, so that stable shearing and welding of the device are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shearing of bucket packaging films, in particular to a shearing mechanism. Background Art

[0002] Putting a plastic bag on the barrel can not only block some dust, but also make the product look more beautiful.

[0003] In the traditional process of covering a bucket with film, the plastic film is first softened, then adhered, and finally sheared. The operation is cumbersome and easily causes damage to the plastic film, so a shearing mechanism is proposed. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the shortcomings of the existing technology, the utility model provides a shearing mechanism with the advantages of simultaneous shearing and welding, which solves the problem that the traditional bucket film covering process is cumbersome and easily causes damage to the plastic film.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned purpose of simultaneous shearing and welding, the present invention provides the following technical solutions:

[0008] A shearing mechanism includes a base plate, a first shearing assembly and a second shearing assembly are respectively provided on the left and right sides of the base plate, a clamping assembly is provided at the lower end of the first shearing assembly and the second shearing assembly, a bucket is placed on the upper end of the base plate, plastic film is provided on both sides of the bucket, and heating plates are provided on the first shearing assembly and the second shearing assembly.

[0009] The second shearing assembly includes a second pressure plate, a square groove 1 is provided on the left side of the second pressure plate, and a circular through hole 1 is provided on the right side. The through hole 1 is communicated with the groove 1. A tool is provided inside the groove 1, and the tool can move left and right through the through hole 1. A first spring is sleeved on the tool, and a second hydraulic pressure is installed on the right end of the tool. A strip-shaped heating plate is provided on the left end face of the second pressure plate, and is distributed in front and behind the groove 1.

[0010] As a preferred technical solution of the present invention, the first shearing assembly includes a first pressure plate, and the opposite surfaces of the first pressure plate and the second pressure plate are provided with a groove 2 of the same size as the groove 1. Strip-shaped heating plates are provided on both sides of the right end face of the first pressure plate, and correspond to the heating plates on the first pressure plate. A first hydraulic press is installed at the left end of the first pressure plate.

[0011] As a preferred technical solution of the present invention, one of the clamping components includes two square plates, the bottom ends of the square plates are fixedly mounted on the upper surface of the base plate, the two square plates are respectively connected with two groups of mirror-symmetrical clamps, the opposite ends of the two groups of clamps are rotatably connected with rollers, each group of the clamps includes several clamps, and each clamp is sleeved with two second springs.

[0012] As a preferred technical solution of the present invention, the first hydraulic press and the second hydraulic press have the same elongation during operation, and the two plastic films are located between the first shearing assembly and the second shearing assembly and are perpendicular to the first shearing assembly and the second shearing assembly.

[0013] As a preferred technical solution of the present invention, the roller contacts the first shearing assembly or the second shearing assembly on that side, and the clamps are distributed in a left-right straight line on the square plate.

[0014] As an optimal technical solution of the present utility model, the tool consists of three parts, the leftmost end is the cutter part, the middle part is the round rod part, and the rightmost end is the end plate part. The tool is plugged into the circular through hole of the second pressure plate through the round rod part and can slide along the direction of the round rod. The first spring is sleeved on the round rod, and the first spring is located between the second pressure plate and the end plate.

[0015] As an optimal technical solution of the present utility model, one of the clamps is composed of three parts, the leftmost end is a pancake-shaped structure, the middle part is two small rods, and the rightmost end is composed of a square sleeve. Each of the small rods is sleeved with a second spring, the roller is rotatably connected to the square sleeve, and the second spring is located between the square plate and the square sleeve.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the present invention provides a shearing mechanism with the following beneficial effects:

[0018] The shearing mechanism shears the plastic film through the first shearing component and the second shearing component, and drives the first hydraulic press and the second hydraulic press to make the first pressure plate and the second pressure plate move relative to each other, thereby clamping the two plastic films. At the same time, the heating plates on the opposite sides of the first pressure plate and the second pressure plate continue to heat up. When the heating plates on the opposite sides of the first pressure plate and the second pressure plate contact each other, the two plastic films clamped in the two groups of heating plates soften and fuse to each other. At this time, the first hydraulic press and the second hydraulic press are still in working state. At this time, the tool will move to the left, and at the same time, the first pressure plate and the second pressure plate will move to the right under the action of the first spring to cut off the welded plastic film, realizing simultaneous welding and shearing. At the same time, the device is provided with a right clamping component to clamp the bottom of the first pressure plate and the second pressure plate to ensure the stability of the movement of the first pressure plate and the second pressure plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall new structure of this utility model;

[0020] Figure 2 This is a schematic structural diagram of the first shearing assembly and the second shearing assembly of the utility model;

[0021] Figure 3 This is an exploded view of the second shear assembly structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0023] In the figure: 1. Base plate; 2. First shearing assembly; 3. Second shearing assembly; 4. Clamping assembly; 5. Bucket; 6. Plastic film; 7. Heat generating plate; 201. First pressure plate; 202. First hydraulic press; 301. Second pressure plate; 302. Cutting tool; 303. First spring; 304. Second hydraulic press; 401. Square plate; 402. Clamp; 403. Roller; 404. Second spring. DETAILED DESCRIPTION

[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0027] See also Figure 1 A shearing mechanism includes a base plate 1, a first shearing component 2 and a second shearing component 3 are respectively provided on the left and right sides of the base plate 1, a clamping component 4 is provided at the lower end of the first shearing component 2 and the second shearing component 3, a water bucket 5 is placed on the upper end of the base plate 1, plastic films 6 are provided on both sides of the water bucket 5, and heating sheets 7 are provided on the first shearing component 2 and the second shearing component 3.

[0028] See also Figure 3 The second shearing assembly 3 includes a second pressure plate 301. A square groove 1 is opened on the left side of the second pressure plate 301, and a circular through hole 1 is opened on the right side. The through hole 1 is connected to the groove 1. A tool 302 is arranged inside the groove 1. The tool 302 can move left and right through the through hole 1. A first spring 303 is sleeved on the tool 302. A second hydraulic press 304 is installed on the right end of the tool 302. A strip-shaped heating plate 7 is arranged on the left end face of the second pressure plate 301, and is distributed in front and behind the groove 1.

[0029] It should be noted that the device achieves shearing of the plastic film 6 by the relative sliding of the second pressing plate 301 and the cutter 302, and at the same time, the two plastic films 6 can be clamped by the first pressing plate 201 and the second pressing plate 301. At the same time, heating plates 7 are provided at the opposite ends of the first pressing plate 201 and the second pressing plate 301, which also have the effect of welding in the process of clamping the plastic film 6, so that the shearing and welding of the plastic film 6 are carried out simultaneously.

[0030] See also Figure 2In this embodiment, the first shearing component 2 includes a first pressing plate 201, and a groove 2 having the same size as the groove 1 is provided on the surface opposite to the second pressing plate 301. Strip-shaped heating plates 7 are provided on both sides of the right end face of the first pressing plate 201, and correspond to the heating plates 7 on the first pressing plate 201. A first hydraulic press 202 is installed on the left end of the first pressing plate 201.

[0031] It should be noted that the groove 1 and the groove 2 are shearing grooves of the tool 302, through which the plastic film 6 is sheared. At the same time, the heating plate 7 provided on the first pressing plate 201 and the second pressing plate 301 is continuously energized to generate heat.

[0032] See also Figure 4 In this embodiment, a clamping assembly 4 includes two square plates 401, the bottom ends of the square plates 401 are fixedly installed on the upper surface of the base plate 1, and the two square plates 401 are respectively plugged with two groups of mirror-symmetrical clamps 402. The opposite ends of the two groups of clamps 402 are rotatably connected to rollers 403. Each group of clamps 402 includes several clamps 402, and each clamp 402 is sleeved with two second springs 404.

[0033] It should be noted that the clamping force of the clamping component 4 on the first pressure plate 201 and the second pressure plate 301 is relatively small, and the elastic force generated by the first spring 303 is greater than the clamping force generated by the second spring 404. The clamping component 4 is mainly used to maintain the stability of the first pressure plate 201 and the second pressure plate 301 in the front-to-back direction, and prevent the heating plate 7 on the first pressure plate 201 and the heating plate 7 on the second pressure plate 301 from colliding with each other, resulting in the problem of welding and shearing failure.

[0034] In this embodiment, the first hydraulic press 202 and the second hydraulic press 304 have the same extension during operation, and the two plastic films 6 are located between the first shearing assembly 2 and the second shearing assembly 3 and are perpendicular to the first shearing assembly 2 and the second shearing assembly 3 .

[0035] It should be noted that the first hydraulic press 202 and the second hydraulic press 304 have the same extension, so that the welding and cutting position of the plastic film 6 is located in the middle of the device, ensuring that the size of each cut plastic film 6 is the same.

[0036] In this embodiment, the roller 403 contacts the first shearing assembly 2 or the second shearing assembly 3 on that side, and the clampers 402 are distributed in a straight line on the left and right sides of the square plate 401 .

[0037] It should be noted that the contact between the rotatable roller 403 provided on the clamper 402 and the first pressure plate 201 or the second pressure plate 301 effectively reduces the friction generated by the clamping assembly 4 during the clamping process, while also ensuring the stability of the movement of the first pressure plate 201 and the second pressure plate 301.

[0038] In this embodiment, the tool 302 consists of three parts, the leftmost end is the cutting knife part, the middle part is the round rod part, and the rightmost end is the end plate part. The tool 302 is connected to the circular through hole of the second pressure plate 301 through the round rod part and can slide along the direction of the round rod. The first spring 303 is sleeved on the round rod, and the first spring 303 is located between the second pressure plate 301 and the end plate.

[0039] It should be noted that the provided tool 302 can move left and right in the second pressure plate 301, and the second hydraulic press 304 directly pushes the tool 302 to cut, while the function of the first spring 303 is to make the tool 302 and the second pressure plate 301 move relative to each other during shearing.

[0040] In this embodiment, a clamp 402 consists of three parts: a pancake-shaped structure at the leftmost end, two small rods in the middle, and a square sleeve at the rightmost end. Each small rod is sleeved with a second spring 404, and the roller 403 is rotatably connected to the square sleeve. The second spring 404 is located between the square plate and the square sleeve.

[0041] It should be noted that the clamp 402 is provided with two small rods to prevent the clamp 402 from rotating itself. At the same time, the second spring 404 is in a compressed state. The second spring 404 pushes the clamp 402 so that the roller 403 contacts the bottom of the first pressure plate 201 or the second pressure plate 301 and has a certain pressure, ensuring that the first pressure plate 201 and the second pressure plate 301 are stable in the front and rear directions and can slide left and right without affecting the shearing work.

[0042] In summary, the shearing mechanism shears the plastic film 6 through the first shearing assembly 2 and the second shearing assembly 3, and drives the first hydraulic press 202 and the second hydraulic press 304 to make the first pressing plate 201 and the second pressing plate 301 move relative to each other, thereby clamping the two plastic films. At the same time, the heating sheets 7 on the opposite sides of the first pressing plate 201 and the second pressing plate 301 continue to heat up. When the heating sheets 7 on the opposite sides of the first pressing plate 201 and the second pressing plate 301 contact each other, the two heating sheets 7 sandwiched between the two groups of heating sheets 7 are The plastic film 6 softens and welds to each other. At this time, the first hydraulic press 202 and the second hydraulic press 304 are still in working condition. At this time, the tool 302 will move to the left. At the same time, the first pressure plate 201 and the second pressure plate 301 will move to the right under the action of the first spring 303 to cut off the welded plastic film 6, thereby realizing simultaneous welding and shearing. At the same time, the device is provided with a right clamping assembly 4 to clamp the bottom of the first pressure plate 201 and the second pressure plate 301 to ensure the stability of the movement of the first pressure plate 201 and the second pressure plate 301.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shearing mechanism comprising a base plate, characterized in that: A first shearing assembly and a second shearing assembly are respectively provided on the left and right sides of the bottom plate, and a clamping assembly is provided at the lower end of each of the first shearing assembly and the second shearing assembly. A water bucket is placed on the upper end of the bottom plate, and plastic films are provided on both sides of the water bucket. A heating sheet is provided on each of the first shearing assembly and the second shearing assembly; The second shearing assembly includes a second pressure plate, a square groove 1 is provided on the left side of the second pressure plate, and a circular through hole 1 is provided on the right side. The through hole 1 is communicated with the groove 1. A tool is provided inside the groove 1, and the tool can move left and right through the through hole 1. A first spring is sleeved on the tool, and a second hydraulic pressure is installed on the right end of the tool. A strip-shaped heating plate is provided on the left end face of the second pressure plate, and is distributed in front and behind the groove 1.

2. A shearing mechanism according to claim 1, characterized in that: The first shearing assembly includes a first pressing plate, and a groove 2 having the same size as groove 1 is provided on the opposite surface of the first pressing plate and the second pressing plate. Strip-shaped heating plates are provided on both sides of the right end face of the first pressing plate, and correspond to the heating plates on the first pressing plate. A first hydraulic press is installed on the left end of the first pressing plate.

3. A shearing mechanism according to claim 2, characterized in that: One of the clamping assemblies includes two square plates, the bottom ends of the square plates are fixedly mounted on the upper surface of the base plate, and the two square plates are respectively connected with two groups of mirror-symmetrical clamps, and the opposite ends of the two groups of clamps are rotatably connected with rollers, each group of clamps includes several clamps, and each clamp is sleeved with two second springs.

4. A shearing mechanism according to claim 3, characterized in that: The first hydraulic press and the second hydraulic press have the same extension amount during operation, and the two plastic films are located between the first shearing assembly and the second shearing assembly and are perpendicular to the first shearing assembly and the second shearing assembly.

5. A shearing mechanism according to claim 4, characterized in that: The roller contacts the first shearing assembly or the second shearing assembly on the side, and the clamps are distributed in a left-right straight line on the square plate.

6. A shearing mechanism according to claim 5, characterized in that: The tool consists of three parts, the leftmost end is the cutter part, the middle part is the round rod part, and the rightmost end is the end plate part. The tool is plugged into the circular through hole of the second pressure plate through the round rod part and can slide along the direction of the round rod. The first spring is sleeved on the round rod, and the first spring is located between the second pressure plate and the end plate.

7. A shearing mechanism according to claim 6, characterized in that: The clamp is composed of three parts: a pancake-shaped structure at the leftmost end, two small rods in the middle, and a square sleeve at the rightmost end. Each of the small rods is sleeved with a second spring. The roller is rotatably connected to the square sleeve, and the second spring is located between the square plate and the square sleeve.

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