A plate shearing machine

Abstract

The utility model belongs to mechanical equipment technical field provides a plate shearing machine, the plate shearing machine includes the bench, is equipped with left and right a pair of sliding seat on the bench, is equipped with the sliding plate between the sliding seat, is equipped with the shearing cutter below the sliding plate, still is equipped with the pre -press mechanism on the sliding plate corresponding shearing cutter, the pre -press mechanism includes the pre -press plate and adjusting assembly, the pre -press plate passes through adjusting assembly and installs on the sliding plate, the pre -press plate below evenly is equipped with a row of pressure column, adjusting assembly includes the pair of guide rod fixed on the bench, the top of guide rod passes out pre -press plate and then twists into the limit nut, is equipped with the spring between the top of guide rod and limit nut located pre -press plate on, still is equipped with the elevating assembly in the bench. The utility model aims at providing a plate shearing machine, aims at solving the problem that the existing plate shearing machine is difficult to accurately adjust the force and position of pre -press according to the plate of different thickness and material, leads to the poor pre -press effect, influences the problem of shearing accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical equipment technology, and in particular relates to a shearing machine. Background Technology

[0002] In the field of machining, shearing machines are essential equipment for shearing sheet metal, widely used in metallurgy, light industry, machinery manufacturing, construction, and many other sectors. With the continuous development of industrial production, higher demands are being placed on shearing machines in terms of shearing precision, stability, and automation.

[0003] In order to prevent the sheet metal from moving during the shearing process, existing shearing machines usually have a pre-compression mechanism to pre-compress and fix the sheet metal. However, the traditional pre-compression mechanism has a relatively simple structure, and the connection between the pre-compression plate and the slide plate is not flexible enough. It is difficult to accurately adjust the pre-compression force and position according to the sheet metal of different thicknesses and materials, resulting in poor pre-compression effect and affecting shearing accuracy. Utility Model Content

[0004] In view of the above problems, the purpose of this utility model is to provide a shearing machine that solves the problem that existing shearing machines are unable to accurately adjust the pre-compression force and position according to the different thicknesses and materials of the plates, resulting in poor pre-compression effect and affecting the shearing accuracy.

[0005] The present invention adopts the following technical solution:

[0006] The shearing machine includes a machine base with a pair of left and right slides on the machine base. A slide plate is provided between the slides, and a shearing blade is provided below the slide plate. A pre-pressing mechanism is also provided on the slide plate corresponding to the shearing blade. The pre-pressing mechanism includes a pre-pressing plate and an adjusting component. The pre-pressing plate is installed on the slide plate through the adjusting component. A row of pressure columns is evenly arranged below the pre-pressing plate. The adjusting component includes a pair of guide rods fixed to the machine base. The top of the guide rods passes through the pre-pressing plate and is screwed into a limit nut. A spring is provided on the guide rod between the top of the pre-pressing plate and the limit nut. A lifting component is also provided inside the machine base to drive the slide plate to move up and down.

[0007] Furthermore, the slide plate is provided with a pair of left and right limiting components, and the pre-press plate is provided with a pair of left and right fixing seats above it. The fixing seats have guide grooves, and the limiting components are installed in the guide grooves for front and rear limiting. The top of the fixing seats is screwed into the adjusting screws facing downwards.

[0008] Furthermore, the lifting assembly includes a rotating shaft with a pair of rotating disks on it, and the rotating shaft is located at an eccentric position on the rotating disks. The rotating disks are equipped with push-pull rods, the upper ends of which are rotatably mounted on the corresponding positions of the slide plate. The rotating shaft is equipped with a driven gear plate. The machine base is also equipped with a lifting motor, and the drive shaft of the lifting motor is equipped with a driving gear plate. The driving gear plate and the driven gear plate are meshed together.

[0009] Furthermore, the limiting component includes a locking sleeve fixed on the slide plate and a limiting screw. The limiting screw has a limiting washer fitted on it and passes through the guide groove of the fixing seat before being screwed into the locking sleeve.

[0010] Furthermore, a shallow groove is formed at the bottom of the slide plate, and the shearing blade is installed in the shallow groove.

[0011] The beneficial effects of this utility model are:

[0012] 1. The pre-compression mechanism of this device can precisely adjust the pre-compression force and position according to the thickness and material of the plate by adjusting the components and limiting components, thereby improving the pre-compression effect and shearing accuracy.

[0013] 2. A row of pressure columns evenly arranged below the pre-pressure plate can ensure that the plate is subjected to uniform pressure during the shearing process, preventing the plate from warping and moving, and further improving the shearing quality. Attached Figure Description

[0014] Figure 1 This utility model provides an overall drawing of a shearing machine.

[0015] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0016] Figure 3 This utility model provides a schematic diagram of the installation of the shearing blade.

[0017] Figure 4 This is a schematic diagram of the lifting component provided by this utility model. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model patent clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0019] To illustrate the technical solution described in this utility model, specific embodiments are described below.

[0020] For ease of explanation, only the parts relevant to the embodiments of this utility model are shown.

[0021] Combination Figure 1-2 As shown, the shearing machine includes a machine base 1, on which a pair of left and right slides 2 are provided, and a slide plate 3 is provided between the slides 2. A shearing blade 4 is provided below the slide plate 3. A pre-pressing mechanism is also provided on the slide plate 3 corresponding to the shearing blade 4. The pre-pressing mechanism includes a pre-pressing plate 5 and an adjusting component. The pre-pressing plate 5 is installed on the slide plate 3 through the adjusting component. A row of pressure columns 6 is evenly provided below the pre-pressing plate 5. The adjusting component includes a pair of guide rods 7 fixed on the machine base 1. The top of the guide rod 7 passes through the pre-pressing plate 5 and is screwed into a limit nut 61. A spring 8 is provided on the guide rod 7 between the top of the pre-pressing plate 5 and the limit nut. A lifting component is also provided inside the machine base 1. The lifting component is used to drive the slide plate 3 to move up and down.

[0022] When using a shearing machine to cut sheet metal, the sheet metal is first placed on the machine platform at the position corresponding to the shearing blade. Then, the slide plate slides downwards under the drive of the lifting assembly, and the preload plate moves downwards accordingly. Since the guide rod is stationary, the distance between the preload plate and the limit nut increases, and the compression of the spring decreases, but the preload is still maintained. When the pressure column contacts the sheet metal, the preload plate stops moving downwards, the slide plate continues to descend, and the pressure column below the preload plate contacts the sheet metal first. Under the action of the spring, the pressure column applies preload pressure to the sheet metal and preloads and fixes the sheet metal. The slide plate continues to descend until the shearing blade completes the cutting of the sheet metal.

[0023] After the sheet material is sheared, the lifting assembly moves the slide plate upwards, and the pre-pressure plate also rises until the pressure column is completely detached from the sheet material surface. When the slide plate rises to the initial position, the motor stops rotating.

[0024] In practice, the preload on the sheet metal can be adjusted by the pressure column below the preload plate according to the sheet metal thickness. During adjustment, the operator uses a special wrench to rotate the limit nut. As the limit nut moves up and down with the guide rod, the compression of the spring changes accordingly.

[0025] As a specific structure, such as Figure 2 The slide plate 3 is provided with a pair of left and right limiting components, and the pre-press plate 5 is provided with a pair of left and right fixing seats 9 above it. The fixing seats 9 have guide grooves 10, and the limiting components are installed in the guide grooves 10 for front and rear limiting. The top of the fixing seat 9 is screwed with an adjusting screw 11.

[0026] The limiting component includes a locking sleeve 12 fixed on the slide plate 3 and a limiting screw 13. The limiting screw 13 is fitted with a limiting washer 14 and passes through the guide groove of the fixing seat 9 before being screwed into the locking sleeve 12. The locking sleeve is an internal thread locking sleeve.

[0027] In the initial state, under the action of the spring, the bottom of the adjusting screw abuts against the limiting screw. In practice, the height of the preload plate can be finely adjusted by turning the adjusting screw. When the adjusting screw is tightened, it moves down a small distance within the guide groove of the fixed seat, thus reducing the height of the preload plate.

[0028] In this structure, the limiting screw serves two purposes: firstly, it mounts the preload plate via the fixing seat; secondly, when the preload plate moves up and down, the limiting screw moves up and down within the guide groove of the fixing seat. The guide groove guides the limiting screw as it moves up and down, making the up and down movement of the preload plate more stable.

[0029] Since the diameters of the locking sleeve and the limiting washer are slightly larger than the width of the guide groove of the fixed seat, the limiting washer and the locking sleeve play the role of limiting the front and rear movement of the fixed seat.

[0030] As a preferred structure, such as Figure 3 The lifting assembly includes a rotating shaft 15, on which a pair of rotating disks 16 are provided, and the rotating shaft 15 is located at an eccentric position of the rotating disks 16. The rotating disks 16 are provided with push-pull rods 17, and the upper end of the push-pull rods 17 is rotatably installed at the corresponding position of the slide plate 3. The rotating shaft 15 is provided with a driven gear plate 18. The machine base 1 is also provided with a lifting motor 19, and the drive shaft of the lifting motor 19 is provided with a drive gear plate 20. The drive gear plate 20 and the driven gear plate 18 are meshed together.

[0031] The machine is equipped with a lifting assembly to move the slide plate up and down. When the lifting motor is working, it drives the drive gear plate to rotate, which in turn drives the driven gear plate and the rotating shaft to rotate. The rotating disk rotates eccentrically around the rotating shaft, thereby driving the push-pull rod to move up and down, pushing the slide plate up and down along the slide block, realizing the lifting and lowering of the shearing blade, and completing the shearing action.

[0032] At the same time, such as Figure 3 A shallow groove 21 is formed under the slide plate 3, and the shearing blade is installed in the shallow groove. Installing the shearing blade in the shallow groove under the slide plate facilitates quick blade replacement.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shearing machine, characterized in that: The shearing machine includes a machine base with a pair of left and right slides on the machine base. A slide plate is provided between the slides, and a shearing blade is provided below the slide plate. A pre-pressing mechanism is also provided on the slide plate corresponding to the shearing blade. The pre-pressing mechanism includes a pre-pressing plate and an adjusting component. The pre-pressing plate is installed on the slide plate through the adjusting component. A row of pressure columns is evenly arranged below the pre-pressing plate. The adjusting component includes a pair of guide rods fixed to the machine base. The top of the guide rods passes through the pre-pressing plate and is screwed into a limit nut. A spring is provided on the guide rod between the top of the pre-pressing plate and the limit nut. A lifting component is also provided inside the machine base to drive the slide plate to move up and down.

2. The shearing machine as described in claim 1, characterized in that: The slide plate is provided with a pair of left and right limiting components, and the pre-press plate is provided with a pair of left and right fixing seats above it. The fixing seats have guide grooves, and the limiting components are installed in the guide grooves for front and rear limiting. The top of the fixing seat is screwed into an adjusting screw.

3. The shearing machine as described in claim 2, characterized in that: The lifting assembly includes a rotating shaft with a pair of rotating disks on it. The rotating shaft is located at an eccentric position on the rotating disks. The rotating disks are equipped with push-pull rods, the upper ends of which are rotatably mounted on the corresponding positions of the slide plate. The rotating shaft is equipped with a driven gear plate. The machine base is also equipped with a lifting motor. The drive shaft of the lifting motor is equipped with a driving gear plate. The driving gear plate and the driven gear plate are meshed together.

4. A shearing machine as described in claim 3, characterized in that: The limiting assembly includes a locking sleeve fixed on the slide plate and a limiting screw. The limiting screw has a limiting washer fitted on it and passes through the guide groove of the fixing seat before being screwed into the locking sleeve.

5. A shearing machine as described in claim 4, characterized in that: A shallow groove is formed on the underside of the slide plate, and the shearing blade is installed in the shallow groove.

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