Punching device with positioning structure

Abstract

The utility model relates to the technical field of plastic bag processing, in particular to a punching device with a positioning structure, which comprises a support frame, support plates are vertically welded on two sides of the support frame respectively, a hydraulic cylinder vertically penetrates through the middle of the support frame, and a punching rod is inserted into the bottom of the hydraulic cylinder. The punching rod sequentially penetrates through the middle of the mounting plate and the middle of the supporting plate from top to bottom, the mounting plate is connected with the supporting plate through screws, and a workbench body located between the supporting frames is arranged below the supporting plate. According to the improved punching device, when punching operation is conducted, the crank can be rocked to enable the movable block to move on the wire steel so as to adjust the width of a plastic bag die needing to be punched when the punching device operates, and the length and the height of the plastic bag die needing to be punched when the punching device operates can be adjusted through mutual cooperation between the telescopic rod and the telescopic block. And therefore, accurate positioning of the plastic bag is achieved, and the situation that auxiliary punching is needed during punching operation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag processing, in particular to a punching device with a positioning structure. Background Art

[0002] As a common packaging material, plastic bags are widely used in the sales and transportation of various commodities.

[0003] Punching is a common process step in the processing of plastic bags. The main purpose of punching is to form the required openings or holes on the plastic bags to meet various packaging and usage requirements. However, there are some problems with the traditional plastic bag punching technology. These problems not only affect the quality and performance of plastic bags, but also increase production costs and time. In the modern society that pursues efficiency, punching equipment that is more convenient to manufacture and use and more accurate in punching has become an increasingly important research direction.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. The punching device easily causes uneven punching and inaccurate positioning when punching holes; 2. The punching device needs staff to assist in positioning the punching position, which increases the workload of the staff. Utility Model Content

[0005] The purpose of the present utility model is to provide a punching device with a positioning structure to solve the problems raised in the above background technology. To achieve the above purpose, the present utility model provides the following technical solutions: a punching device with a positioning structure, comprising a support frame, bracket plates are vertically welded on both sides of the support frame, a hydraulic cylinder is vertically penetrated through the middle of the support frame, a punching rod is inserted into the bottom of the hydraulic cylinder, the punching rod penetrates the middle of the mounting plate and the support plate from top to bottom, the mounting plate is connected to the support plate by screws, and a workbench body located between the support frames is provided below the support plate.

[0006] Further preferably, the mounting plate and the support plate are parallel, and center lines of the mounting plate, the support plate and the hydraulic cylinder coincide with each other.

[0007] Further preferably, a base plate is welded to the top of the workbench body, a fixing frame is welded to one side of the base plate, a fixing column is welded to one side of the fixing frame, a crank is sleeved on one side of the fixing column, a wire steel is inserted into one side of the crank, the wire steel is sleeved with a movable block through a threaded movable sleeve, a connecting column is welded to the top of the movable block, and a telescopic plate is inserted into the top of the connecting column.

[0008] Further preferably, telescopic rods are installed on the upper and lower sides of one side of the telescopic plate, a slider is welded on one side of the telescopic rod, the slider is connected to the telescopic side plate through a slide groove, slide grooves are opened on the upper and lower sides of one side of the telescopic side plate, and the telescopic side plate forms a telescopic structure with the telescopic plate through the telescopic rod.

[0009] Further preferably, the telescopic side panels and the telescopic panels are both telescopic structures.

[0010] Further preferably, the sliding block and the sliding groove on one side of the telescopic rod constitute a sliding structure.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the double-layer stable structure formed by the mounting plate and the supporting plate on the punching rod can ensure the stability and accuracy during punching.

[0013] In the utility model, the height of the plastic bag to be punched can be uniformly adjusted through the telescopic structure of the telescopic plate and the telescopic side plate, the width of the plastic bag to be punched can be adjusted by shaking the handle through the threaded movable sleeve of the wire steel and the movable block, and the length of the plastic bag to be punched can be adjusted through the telescopic structure formed by the telescopic side plate and the telescopic rod between the telescopic plates. The trinity can quickly and accurately locate the punching position of the plastic bag to be punched. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the partial structure of the hydraulic cylinder of the utility model;

[0016] Figure 3 It is a schematic diagram of the local structure of the workbench of the utility model;

[0017] Figure 4 It is a partial cross-sectional structural schematic diagram of the workbench of the utility model.

[0018] In the figure: 1, bracket plate; 2, support frame; 3, hydraulic cylinder; 4, punching rod; 5, mounting plate; 6, support plate; 7, workbench; 701, bottom plate; 702, fixed frame; 703, fixed column; 704, movable block; 705, wire steel; 706, crank; 707, connecting column; 708, telescopic rod; 709, telescopic plate; 7010, slider; 7011, slide groove; 7012, telescopic side plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a punching device with a positioning structure, including a support frame 2, bracket plates 1 are vertically welded on both sides of the support frame 2, a hydraulic cylinder 3 is vertically penetrated through the middle of the support frame 2, a punching rod 4 is inserted into the bottom of the hydraulic cylinder 3, the punching rod 4 penetrates the middle of the mounting plate 5 and the support plate 6 from top to bottom, the mounting plate 5 is connected to the support plate 6 by screws, and a workbench body 7 located between the support frames 2 is provided below the support plate 6.

[0021] In this embodiment, Figure 3 and Figure 4 As shown, the mounting plate 5 is parallel to the supporting plate 6, and the center lines of the mounting plate 5, the supporting plate 6 and the hydraulic cylinder 3 coincide with each other. This design enables the plastic bag to be better stabilized when punching holes in the plastic bag.

[0022] In this embodiment, Figure 3 and Figure 4 As shown, a base plate 701 is welded to the top of the workbench body 7, a fixing frame 702 is welded to one side of the base plate 701, a fixing column 703 is welded to one side of the fixing frame 702, a crank 706 is sleeved on one side of the fixing column 703, a wire steel 705 is inserted on one side of the crank 706, the wire steel 705 is movably sleeved with a movable block 704 through a threaded movable sleeve, a connecting column 707 is welded to the top of the movable block 704, a telescopic plate 708 is inserted on the top of the connecting column 707, and when the crank 706 is turned, the movable blocks 704 on both sides move evenly, making it more convenient to adjust the width and providing higher precision.

[0023] In this embodiment, Figure 3 and Figure 4 As shown, telescopic rods 709 are installed on the upper and lower sides of one side of the telescopic plate 708, a slider 7010 is welded on one side of the telescopic rod 709, and the slider 7010 is connected to the telescopic side plate 7012 through a slide groove 7011. Slide grooves 7011 are provided on the upper and lower sides of one side of the telescopic side plate 7012, and the telescopic side plate 7012 forms a telescopic structure with the telescopic rod 709 and the telescopic plate 708; when necessary, the length of the telescopic rod 708 can be adjusted to adjust the length of the plastic bag to be punched. When positioning preparation is performed, the telescopic structure can make it more convenient to adjust the length of the plastic bag to be punched.

[0024] In this embodiment, Figure 3 and Figure 4 As shown, the telescopic side plate 7012 and the telescopic plate 709 are both telescopic structures. When necessary, the length of the telescopic plate 709 can be adjusted to adjust the height of the plastic bag to be punched, and the telescopic plate 709 and the telescopic side plate 7012 are connected by a slider 7010 and a slide groove 7011. When adjusting, adjusting one plate can drive all the plates to be adjusted together, saving time and effort.

[0025] In this embodiment, Figure 3 and Figure 4 As shown, the slider 7010 and the slide groove 7011 on one side of the telescopic rod 708 constitute a sliding structure, and the slider 7010 allows the telescopic plate 709 to move on the slide groove 7011 in the telescopic side plate 7012 when adjusting the spacing.

[0026] The use method and advantages of the utility model: When the punching device with a positioning structure is used, the working process is as follows:

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, first determine the size of the plastic bag to be punched, shake the crank 706 to control the movable block 704, adjust the distance between the two telescopic plates 709 to adapt to the width of the plastic bag to be punched, and then use the telescopic structure formed by the telescopic side plate 7012 and the telescopic rod 708 between the telescopic plates 709 to adjust the distance between the telescopic side plate 7012 and the telescopic plate 709 to adapt to the length of the plastic bag to be punched, and then use the telescopic structure of the telescopic plate 709 and the telescopic side plate 7012 to adjust its height to adapt to the height of the plastic to be punched. After the length, width and height are determined, the precise positioning is completed, the plastic bag to be punched is placed on the bottom plate 701, and the hydraulic cylinder 3 is turned on to drive the punching rod 4 to press down. The support plate 6 first contacts the plastic bag to press down and provide support. The double-layer stable structure of the mounting plate 5 and the support plate 6 ensures that the punching rod 4 is stably and accurately pressed down to punch the plastic bag. After the punching is completed, the punching rod 4 is retracted and the hydraulic cylinder 3 is closed to complete the punching.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A punching device with a positioning structure, comprising a support frame (2), characterized in that: Support plates (1) are vertically welded on both sides of the support frame (2), a hydraulic cylinder (3) is vertically penetrated in the middle of the support frame (2), a punching rod (4) is inserted at the bottom of the hydraulic cylinder (3), and the punching rod (4) penetrates the middle of the mounting plate (5) and the supporting plate (6) in sequence from top to bottom, the mounting plate (5) and the supporting plate (6) are connected by screws, and a workbench body (7) located between the support frames (2) is provided below the supporting plate (6).

2. The punching device with a positioning structure according to claim 1, characterized in that: The mounting plate (5) and the supporting plate (6) are parallel to each other, and the center lines of the mounting plate (5), the supporting plate (6) and the hydraulic cylinder (3) coincide with each other.

3. The punching device with a positioning structure according to claim 1, characterized in that: A bottom plate (701) is welded to the top of the workbench body (7), a fixing frame (702) is welded to one side of the bottom plate (701), a fixing column (703) is welded to one side of the fixing frame (702), a crank (706) is sleeved on one side of the fixing column (703), a wire steel (705) is inserted on one side of the crank (706), the wire steel (705) is sleeved on a movable block (704) through a threaded movable sleeve, a connecting column (707) is welded to the top of the movable block (704), and a telescopic plate (708) is inserted on the top of the connecting column (707).

4. The punching device with a positioning structure according to claim 3, characterized in that: Telescopic rods (709) are installed on the upper and lower sides of one side of the telescopic plate (708); a slider (7010) is welded on one side of the telescopic rod (709); the slider (7010) is connected to a telescopic side plate (7012) via a slide groove (7011); slide grooves (7011) are provided on the upper and lower sides of one side of the telescopic side plate (7012); the telescopic side plate (7012) forms a telescopic structure with the telescopic plate (708) via the telescopic rod (709).

5. The punching device with a positioning structure according to claim 4, characterized in that: The telescopic side plate (7012) and the telescopic plate (708) are both telescopic structures.

6. The punching device with a positioning structure according to claim 4, characterized in that: The sliding block (7010) and the sliding groove (7011) on one side of the telescopic rod (709) form a sliding structure.

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