CN211027826U - Sheet material scratch device is prevented in sheet metal material shearing machine unloading - Google Patents
Sheet material scratch device is prevented in sheet metal material shearing machine unloading Download PDFInfo
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- CN211027826U CN211027826U CN201921867411.5U CN201921867411U CN211027826U CN 211027826 U CN211027826 U CN 211027826U CN 201921867411 U CN201921867411 U CN 201921867411U CN 211027826 U CN211027826 U CN 211027826U
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Abstract
The utility model discloses a device for preventing sheet material from being scratched during blanking of a sheet material shearing machine, relating to the technical field of sheet material machining; the front supporting wheel mechanism and the rear supporting wheel mechanism are arranged at a feed inlet and a discharge outlet of a feeding platform of the plate shearing machine, the front supporting wheel mechanism comprises a rolling piece for supporting a feed end of a thin plate material, the rear supporting wheel mechanism comprises a rolling piece for supporting a discharge end of the thin plate material, the front supporting wheel mechanism is arranged above the feeding platform of the plate shearing machine and close to the front of an upper shearing blade of the plate shearing machine, and the front supporting wheel mechanism comprises a rolling piece for pressing the thin plate material to enter the front of the upper shearing blade; through implementing this technical scheme, can effectively solve the technical problem that causes the surface to be the scratch easily when current sheet material shearing machine unloading, can realize preventing that the sheet material from being scratched by the material loading platform of shearing machine and shearing machine cutting edge from producing the fish tail to the sheet material, can show the surface quality who improves after the sheet material machining, have better practicality.
Description
Technical Field
The utility model relates to a sheet metal material machining technical field especially relates to a sheet material scratch device is prevented to sheet metal material shearing machine unloading.
Background
A plate shearing machine belongs to one of forging and pressing machines and mainly plays a role in the metal processing industry. The plate shearing machine is commonly used for shearing plate blanks at the straight edges, and the shearing process can ensure the requirements of the straightness and the parallelism of the sheared surfaces of the sheared plates and reduce the distortion of the plates as much as possible so as to obtain high-quality workpieces. At present, most of feeding platforms of plate shearing machines are planar working platforms, because of frequent use, the working platforms generate deep drawing marks and myomas, and for plates with the thickness less than 4mm, especially stainless steel sheets with softer materials, the surface of the plate is easily drawn and damaged in the discharging process, so that the surface quality of the plate is obviously influenced.
As shown in fig. 5, in the process of implementing the embodiment of the present invention, the inventor finds that at least the following technical problems exist in the blanking process of the existing sheet material shearing machine: on one hand, when the thin plate enters the working table surface of the shearing machine, hard marks are often marked by myomas on the working table surface; on the other hand, when the thin plate enters into shearing, the thin plate can be bent and arched and can be taken down to cause friction between the plate and the upper and lower shear blades, and the shear blades can be blunt to generate notches and sharp burrs, so that the plate is easy to scratch when the upper and lower shear blades are rubbed.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned technical problem who causes the surface easily when current sheet material shearing machine unloading to be scratched, the utility model aims to provide a sheet material scratch device is prevented to sheet material shearing machine unloading can prevent effectively that the sheet material from being scratched by the material loading platform of shearing machine and the shearing machine cutting edge produces the fish tail to the sheet material, can show the surface quality who improves behind the sheet material machining, has better practicality.
The utility model adopts the technical scheme as follows:
sheet material shearing machine unloading prevents sheet material scratch device, includes that set gradually along sheet material feeding direction
The front supporting wheel mechanism is arranged at a feed inlet of a feeding platform of the plate shearing machine, and comprises a first fixing frame and a front supporting wheel set arranged on the first fixing frame, the front supporting wheel set comprises at least two first rollers for supporting a plate material, and the upper planes of the first rollers are the same in height, are higher than the feeding platform and are lower than the upper shearing edge of the plate shearing machine;
the front pressing wheel mechanism is arranged above the feeding platform of the plate shearing machine and close to the front of an upper shearing edge of the plate shearing machine, and comprises a support frame, a front pressing wheel group arranged on the support frame and an adjusting mechanism used for adjusting the height of the front pressing wheel group, wherein the front pressing wheel group comprises at least two second rollers used for limiting the arching of a plate material, and the lower plane of each second roller is lower than the upper shearing edge of the plate shearing machine and is pressed and attached to the upper plane of the plate material;
the rear supporting wheel mechanism is arranged at a discharge port of the feeding platform of the plate shearing machine and comprises a second fixing frame and a rear supporting wheel group arranged on the second fixing frame, the rear supporting wheel group comprises at least two third idler wheels used for supporting plates, and the upper planes of the third idler wheels are the same in height and are higher than the feeding platform and lower than the upper shearing edge of the plate shearing machine.
Optionally, the height of the upper plane of the first roller is the same as the height of the upper plane of the third roller. Therefore, when the sheet passes through, the sheet can be supported by the first roller of the front carrier roller group and the third roller of the rear carrier roller group, on one hand, the original sliding friction of the sheet is changed into rolling friction, the surface of the sheet is prevented from being scratched by a feeding platform of the shearing machine, and the surface quality of the sheet is protected; on the other hand, the plate can have better linearity in the shearing process, and the shearing effect of the plate is ensured.
Optionally, the first roller and the third roller are 8-12cm higher than the plate shearing machine feeding platform. In order to ensure that the thin plate materials are not scratched when passing through the feeding platform, according to multiple tests of an applicant, aiming at the stainless steel plate materials with the thickness smaller than 4mm, the first roller and the third roller are designed to be 8-12cm higher than the feeding platform of the plate shearing machine, so that the thin plate materials can be effectively prevented from being scratched when contacting with the feeding platform in the feeding process; on the other hand, the scratch caused by the contact with the upper cutting edge of the shearing machine can be effectively avoided, and the practicability is better.
Optionally, the front idler set includes five first idler wheels, the rear idler set includes five third idler wheels, an arrangement direction of the five first idler wheels is perpendicular to a sheet feeding direction, and an arrangement direction of the five third idler wheels is perpendicular to the sheet feeding direction. The first idler wheel and the third idler wheel which are arranged in this way form a stable plate supporting structure, and the plate can be effectively supported on the basis of saving cost and guaranteeing stable stress.
Optionally, the first roller comprises a first roller shaft and a first bearing sleeved on the first roller shaft, two ends of the first bearing are fixed on the first fixing frame through a first supporting plate, the first supporting plate is specifically L type steel plates and is welded and fixed on the first fixing frame, the structural design and installation are simple, the bearing is used as a rolling piece for supporting the plate, the material of the bearing is easy to obtain, the rolling effect is good after the bearing is used for a long time, and the practicability is good.
Optionally, the third roller includes a third roller shaft and a third bearing sleeved on the third roller shaft, and two ends of the third bearing are fixed on the second fixing frame through a third supporting plate. As mentioned above, the structure material is convenient to obtain, the assembly is simple, the bearing bears small load, the service life is long, the better rolling performance can be effectively utilized to enable the sheet material to achieve rapid feeding, and the sheet material is prevented from being in contact with the feeding platform to cause strain.
Optionally, the two ends of the support frame are fixed on the feeding platform through bolts, a horizontal protruding section is arranged in the middle of the support frame, the adjusting mechanism is arranged on the horizontal protruding section, and the front pressing wheel set is connected with the adjusting mechanism through a fixing support. For guaranteeing that the lower pressing surface of the front pressing wheel set is located at the same horizontal plane, the design of the horizontal protruding section can facilitate the adjusting mechanism to adjust the lower pressing surface of the front pressing wheel set on the same horizontal plane under the condition that the front pressing wheel set is provided with a plurality of second rollers, so that the lower pressing surface has a better limiting effect on the plate material.
Optionally, the adjusting mechanism comprises two threaded rods which penetrate through the horizontal protruding section of the support frame and are arranged oppositely to the horizontal protruding section, the upper ends of the two threaded rods are fixed to the support frame in a limiting mode through first nuts, and the lower ends of the two threaded rods are fixed to the fixed support in a limiting mode through second nuts. The adjusting mechanism which is used as the front pressing wheel group to move upwards or downwards is arranged on the threaded rod nut structure, so that the front pressing wheel group can press and paste thin plate materials with different thicknesses, the phenomenon that the plates with different thicknesses are arched in front of the shearing edge of the plate shearing machine is prevented, the adjusting is convenient, the fixed connection is stable after the adjusting, and the phenomenon that the plates are damaged due to downward movement under the action of the gravity of the front pressing wheel group can be effectively avoided.
Optionally, the front pressing roller set comprises two second rollers, the lower planes of the two second rollers are located on the same horizontal plane, the arrangement direction of the two second rollers is perpendicular to the plate feeding direction, and the two second rollers are arranged at the bottom of the fixed support. Therefore, the two second rollers can press and adhere the two sides of the sheet material in the feeding direction to limit the arching of the sheet material and roll along with the movement of the sheet material, the limiting effect is good, and the upper surface of the sheet material can be effectively prevented from being scratched.
Optionally, the second roller comprises a second roller shaft and a second bearing sleeved on the second roller shaft, and two ends of the second bearing are fixed to the bottom of the fixing support through a second support plate. The structure design and installation principle of the front pressure wheel set is the same as that of the front riding wheel set and the rear riding wheel set, the structure design and installation are simple, the bearing is used as a rolling piece for supporting the plate, and the material is easy to obtain and has a good rolling effect after being used for a long time; the front pinch roller mechanism is combined to be integrally designed in front of the shearing edge of the plate shearing machine, so that the thin plate material can be effectively pressed and prevented from arching in front of the shearing edge of the plate shearing machine, the bearing is used as a rolling piece to press and paste the thin plate material, the arching can be effectively limited, the upper surface of the plate material can be protected, the front pinch roller mechanism is prevented from scratching the thin plate material, and the structural design is ingenious and reasonable.
As described above, the present invention has at least the following advantages:
1. the front riding wheel mechanism and the rear riding wheel mechanism are respectively arranged at the feed inlet and the discharge outlet of the feeding platform of the plate shearing machine, so that the thin plate can be effectively supported, the original sliding friction of the thin plate along the feeding mode of the feeding platform is changed into rolling friction, the surface of the thin plate is prevented from being scratched by the feeding platform of the plate shearing machine, and the surface quality of the plate is protected; and then the height of the upper plane of the first roller in the front riding wheel mechanism is the same as that of the upper plane of the third roller in the rear riding wheel mechanism, and the first roller and the third roller are positioned on the same horizontal plane, so that the height of the plate passing through the space below the shear blades is ensured to be the thickness of the plate, and the contact friction between the plate and the upper and lower shear blades is avoided.
2. The utility model is provided with the front pinch roller mechanism above the feeding platform of the plate shearing machine and close to the upper shearing blade of the plate shearing machine, and combines the design of the rear riding wheel mechanism, so that the plate has better linearity in the shearing process, and the phenomenon of arching and lifting of the thin plate material due to the soft material of the thin plate material can be ingeniously solved, so that the plate passes through the upper shearing blade and the lower shearing blade smoothly and is prevented from contacting with the upper shearing blade and the lower shearing blade, and the plate is prevented from being strained by the shearing blades; and can effectively prevent the sheet material from generating deformation due to unstable stress in the shearing process, ensure the shearing effect of the sheet material and improve the product quality.
3. The utility model discloses preceding riding wheel mechanism and back riding wheel mechanism all utilize two bearings as the rolling member that holds up the sheet material, and the array orientation and the sheet material direction of feed mutually perpendicular of five rolling members in the preceding riding wheel mechanism, the array orientation and the sheet material direction of feed mutually perpendicular of two rolling members in the back riding wheel mechanism, utilize the bearing as the rolling member who holds up the sheet material, its material obtains easily, structural design installs simple and conveniently, and long-time the use all has better roll effect, thereby can hold up the sheet material effectively on the basis of saving cost and guaranteeing the atress stability, avoid the sheet material to contact at the feeding in-process with material loading platform and by the fish tail, be particularly useful for the stainless steel sheet material that thickness is less than 4 mm.
4. The utility model discloses the design installation principle of preceding riding wheel group is the same with the principle of preceding riding wheel group and back riding wheel group, utilize the bearing as the rolling element that holds up the sheet material, the global design of pinch roller mechanism is being close to plate shearing machine shear blade the place ahead before combining, not only can effectively press and paste the sheet metal material and prevent its phenomenon that the hunch appears before the plate shearing machine shear blade, and it utilizes the bearing to press and paste the sheet metal material as the rolling element, can effectively reach and protect the sheet metal upper surface when restricting its hunch-up, pinch roller mechanism self produces the scratch to the sheet metal material before avoiding, this structural design is ingenious reasonable.
5. The utility model discloses still dispose the threaded rod nut structure and regard as going upward or the adjustment mechanism that moves down of preceding pinch roller group, can make preceding pinch roller group press the subsides to the sheet metal material of different thickness, prevent that the phenomenon of arching from appearing in the panel of different thickness before the plate shearing machine cutting edge, it adjusts conveniently, and adjusts back fixed connection and stabilize, can effectively avoid preceding pinch roller group action of gravity and appear shifting down and damage the phenomenon of sheet metal.
As mentioned above, the bearing rolling members are installed at the feed inlet and the discharge outlet of the plate shearing machine as auxiliary supports, when a sheet material passes through, the sheet material is lifted up and does not contact with the feeding platform surface when entering the feeding platform of the plate shearing machine, so that the myomas on the feeding platform surface are prevented from causing strain to the sheet material; furthermore, a pressing rolling piece and a supporting rolling piece are respectively arranged at the front and the rear of the shear blades, so that the plates pass through the upper and the lower shear blades smoothly, a certain gap is formed between the plates and the shear blades, the rolling of the rolling pieces along with the stretching advance of the thin plate materials changes the sliding friction with the feeding platform surface into the rolling friction, the plates can be effectively prevented from being scratched by the shear blades, the thin plate materials can be further prevented from being unstably deformed in the shearing process, the surface quality of the thin plate materials after machining can be obviously improved, and the sheet material shearing device has better practicability.
Drawings
The invention will be described by way of example only and with reference to the accompanying drawings, in which
Fig. 1 is an installation schematic view of a blanking anti-plate scratching device of a sheet shearing machine in the embodiment of the invention;
FIG. 2 is a schematic illustration of the mounting of the front idler mechanism of FIG. 1;
FIG. 3 is a schematic illustration of the installation of the rear idler mechanism of FIG. 1;
FIG. 4 is a schematic illustration of the mounting of the front clamping roller mechanism of FIG. 1;
fig. 5 is a schematic diagram of a blanking process of a conventional sheet material shearing machine.
Description of reference numerals: 100-front riding wheel mechanism; 110-a first mount; 12-a front riding wheel group; 120-a first roller; 121-a first roller shaft; 122 — a first bearing; 123-a first support plate; 200-a front pinch roller mechanism; 210-a support frame; 211-a horizontal convex section; 22-front pressure wheel group; 220-a second roller; 221-a second roller shaft; 222-a second bearing; 223-a second support plate; 230-an adjustment mechanism; 231-a threaded rod; 232-a first nut; 233-a second nut; 240-fixed support; 300-a rear riding wheel mechanism; 310-a second mount; 32-a rear riding wheel group; 320-a third roller; 321-a third roller shaft; 322-a third bearing; 323 a third support plate; 40-a feeding platform; 50-upper shear blade; 60-lower shear blade; 70-plate material; 80-direction of sheet material feeding; 90-shear direction.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
The embodiment is basically as shown in figure 1: the embodiment provides a device for preventing a sheet material from being scratched during blanking of a sheet material shearing machine, which is particularly suitable for a sheet material 70 with the thickness of less than 4mm, and comprises a front riding wheel mechanism 100, a front pinch wheel mechanism 200 and a rear riding wheel mechanism 300 which are sequentially arranged along a sheet material feeding direction 80; specifically, referring to fig. 1 and fig. 2, the front riding wheel mechanism 100 is disposed at a feeding port of the plate shearing machine feeding platform 40, and includes a first fixing frame 110 and a front riding wheel set 12 disposed on the first fixing frame 110, the first fixing frame 110 is a horizontal bracket made of channel steel, the front idler set 12 is integrally mounted on the feeding platform 40, the front idler set 12 includes at least two first rollers 120 for supporting the feeding end of the sheet material 70, in this embodiment, five first rollers 120 are preferably provided as an example (fig. 2 only shows three first rollers 120), the arrangement direction of the five first rollers 120 is perpendicular to the sheet material feeding direction 80, the number of the first rollers 120 is determined according to the width of the sheet material 70 to form a stable supporting structure, the upper plane of each first roller 120 is the same in height and is higher than the feeding platform 40 and lower than the upper cutting edge 50 of the plate shearing machine, thus, the sheet material 70 is fed and lifted by the first roller 120 to ensure that the lifted plane is flush with the horizontal plane.
In this embodiment, the rear riding wheel mechanism 300 is disposed at the discharge port of the feeding platform 40 of the plate shearing machine, and the specific position of the rear riding wheel mechanism 300 between the discharge port and the upper shearing edge 50 and the lower shearing edge 60 of the plate shearing machine is adjusted according to the size specification of the sheet metal 70, as shown in fig. 1 and fig. 3, the rear riding wheel mechanism 300 includes a second fixing frame 310 and a rear riding wheel set 32 disposed on the second fixing frame 310, the second fixing frame 310 adopts a horizontal bracket made of channel steel for integrally mounting the rear riding wheel set 32 on the feeding platform 40, the rear riding wheel set 32 includes at least two third rollers 320 for supporting the discharge end of the sheet metal 70, in this embodiment, preferably, five third rollers 320 are provided as an example (fig. 3 only shows two first rollers 120), the arrangement direction of the five third rollers 320 is perpendicular to the sheet metal feeding direction 80, the upper plane height of each third roller 320 is the same as and is higher than the feeding platform 40 and lower than the upper shearing edge 50 of the plate shearing machine, therefore, the first roller 120 and the third roller 320 form a stable plate 70 supporting structure, and the plate 70 can be effectively supported on the basis of saving cost and ensuring stable stress.
Further, in the embodiment, the height of the upper plane of the first roller 120 is the same as the height of the upper plane of the third roller 320, and the first roller 120 and the third roller 320 are 8-12cm higher than the feeding platform of the plate shearing machine, in the embodiment, preferably, the first roller 120 and the third roller 320 are 10cm higher than the feeding platform of the plate shearing machine, according to multiple tests of the applicant, for a stainless steel plate with a thickness smaller than 4mm, on one hand, the thin plate 70 can be effectively prevented from being scratched due to contact with the feeding platform 40 in the feeding process; on the other hand, the scratch caused by the contact between the upper shearing edge 50 and the lower shearing edge 60 of the shearing machine can be effectively avoided, and the practicability is better; the design positions of the first roller 120 and the third roller 320 are adapted according to the size specification of the sheet material 70, so that the stress stability of the sheet material 70 is ensured, the sheet material 70 can be prevented from sliding along the lateral direction by combining the height design, the height of the sheet material 70 passing through the space between the feeding platform 40 and the upper cutting edge 50 of the plate shearing machine along the horizontal direction can be ensured to be the thickness of the sheet material 70, and the sheet material 70 and the upper and lower cutting edges 60 are prevented from generating contact friction.
In order to prevent the plate from entering the upper cutting edge 50 and the lower cutting edge 60 to arch forward, in this embodiment, a front pinch roller mechanism 200 is disposed above the feeding platform 40 of the plate shearing machine and near the front of the upper cutting edge 50 of the plate shearing machine, as shown in fig. 1 and fig. 4, the front pinch roller mechanism 200 includes a support frame 210, a front pinch roller set 22 disposed on the support frame 210, and an adjusting mechanism 230 for adjusting the height of the front pinch roller set 22, specifically, two ends of the support frame 210 are fixed on the feeding platform 40 by bolts, and the middle of the support frame 210 has a horizontal convex section 211, the adjusting mechanism is disposed on the horizontal convex section 211, and the front pinch roller set 22 is connected with the adjusting mechanism by a fixing bracket 240, and the adjusting mechanism in this embodiment may be designed as an adjusting mechanism in the prior art for adjusting the height of the lower pressing surface of the front pinch roller set 22 to adapt to the plate materials; in order to ensure that the pressing surfaces of the front pressing wheel set 22 are located on the same horizontal plane, the design of the horizontal convex section 211 can facilitate the adjusting mechanism 230 to adjust the pressing surfaces of the front pressing wheel set 22 to be located on the same horizontal plane under the condition that the plurality of second rollers 220 are arranged in the front pressing wheel set 22, so that a better limiting effect is achieved on the plate material 70; the front pressing wheel set 22 includes at least two second rollers 220 for limiting the arching of the sheet material 70, in this embodiment, preferably, two second rollers 220 are provided, the lower planes of the two second rollers 220 are located on the same horizontal plane, the arrangement direction of the two second rollers is perpendicular to the sheet material feeding direction 80, the two second rollers are arranged at the bottom of the fixed support, and the lower plane of each second roller 220 is lower than the upper cutting edge 50 of the plate shearing machine and is pressed against the upper plane of the sheet material 70.
The specific implementation manner of this embodiment is: when a sheet material 70 with the thickness less than 4mm enters the feeding platform 40, the front riding wheel mechanism 100 and the rear riding wheel mechanism 300 can effectively support the front end and the rear end of the sheet material 70, so that the feeding mode of the sheet material 70 along the feeding platform 40 is changed from the original sliding friction into rolling friction, the surface of the sheet material 70 is prevented from being scratched by the feeding platform 40 of the shearing machine, and the surface quality of the sheet material is protected; the upper planes of the rolling parts for supporting the sheet material 70 in the front riding wheel mechanism 100 and the rear riding wheel mechanism 300 are the same in height and are positioned on the same horizontal plane, so that the height of the sheet material passing through the space below the shearing blades is the thickness of the sheet material, and the sheet material 70 is prevented from being in contact with the upper shearing blades 60 and the lower shearing blades 60; meanwhile, by combining the design of the front pinch roller mechanism 200, the sheet material can smoothly pass through the upper and lower shearing blades 60, and a certain gap is ensured between the sheet material 70 and the shearing blades, so that strain of the sheet material caused by the shearing blades is avoided, the deformation of the sheet material 70 due to unstable stress in the shearing process can be effectively prevented, the shearing effect of the sheet material in the shearing direction 90 is ensured, and the product quality is improved.
Example 2
The embodiment 2 is substantially the same as the embodiment 1, except that the first roller 120 provided by this embodiment includes a first roller shaft 121 and a first bearing 122 sleeved on the first roller shaft 121, both ends of the first bearing 122 are fixed on the first fixing frame 110 through a first supporting plate 123, the first supporting plate 123 is specifically an L type steel plate welded and fixed on the first fixing frame 110, the third roller 320 includes a third roller shaft 321 and a third bearing 322 sleeved on the third roller shaft 321, both ends of the third bearing 322 are welded and fixed on the second fixing frame 310 through a third supporting plate 323.
The structural design and installation principle of the front pinch roller set 22 in this embodiment is the same as that of the front pinch roller set 12 and the rear pinch roller set 32, specifically, the second roller 220 includes a second roller shaft 221 and a second bearing 222 sleeved on the second roller shaft 221, and two ends of the second bearing 222 are welded and fixed at the bottom of the fixing bracket 240 through a second supporting plate 223; the first bearing, the second bearing and the third bearing provided by the embodiment are 6206 type deep groove ball bearings, the structural design and the installation are simple, the 6206 type deep groove ball bearings are used as rolling pieces for supporting the plate material 70, and the materials are easy to obtain and have good rolling effects after being used for a long time; the front pinch roller mechanism 200 is integrally designed to be close to the front of the shearing edge of the plate shearing machine, so that the thin plate material 70 can be effectively pressed and prevented from arching in front of the shearing edge of the plate shearing machine, the bearing is used as a rolling piece to press and paste the thin plate material 70, the arching can be effectively limited, the upper surface of the plate material 70 can be protected, the front pinch roller mechanism 200 can be prevented from scratching the thin plate material 70, and the structural design is ingenious and reasonable.
Example 3
Example 3 is substantially the same as example 2 except that: in order to adjust the height of the lower pressing surface of the front pressing wheel set 22, the adjusting mechanism 230 provided in this embodiment includes two threaded rods 231 passing through the horizontal protruding section 211 of the supporting frame 210 and oppositely disposed along the horizontal protruding section 211, the upper ends of the two threaded rods 231 are fixed to the supporting frame 210 by a first nut 232, and the lower ends of the threaded rods 231 are fixed to the fixing bracket 240 by a second nut 233; in the embodiment, the adjusting mechanism 230 which is of the threaded rod 231 and is used as the upward or downward moving part of the front pressing wheel set 22 can press and paste the thin plate materials 70 with different thicknesses by the front pressing wheel set 22, so that the phenomenon that the plate materials with different thicknesses are arched before the shearing edge of the plate shearing machine is avoided, the adjustment is convenient, the fixed connection is stable after the adjustment, the phenomenon that the plate materials 70 are damaged due to downward movement under the action of the gravity of the front pressing wheel set 22 can be effectively avoided, and the practicality is better.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a sheet material scratch device is prevented in sheet material shearing machine unloading which characterized in that: the plate shearing machine comprises front supporting wheel mechanisms which are sequentially arranged along the plate feeding direction, are arranged at a feeding port of a plate shearing machine feeding platform and comprise a first fixing frame and front supporting wheel sets arranged on the first fixing frame, wherein each front supporting wheel set comprises at least two first idler wheels used for supporting a plate, and the upper planes of the first idler wheels are the same in height, are higher than the feeding platform and are lower than the upper shearing edge of the plate shearing machine;
the front pressing wheel mechanism is arranged above the feeding platform of the plate shearing machine and close to the front of an upper shearing edge of the plate shearing machine, and comprises a support frame, a front pressing wheel group arranged on the support frame and an adjusting mechanism used for adjusting the height of the front pressing wheel group, wherein the front pressing wheel group comprises at least two second rollers used for limiting the arching of a plate material, and the lower plane of each second roller is lower than the upper shearing edge of the plate shearing machine and is pressed and attached to the upper plane of the plate material;
the rear supporting wheel mechanism is arranged at a discharge port of the feeding platform of the plate shearing machine and comprises a second fixing frame and a rear supporting wheel group arranged on the second fixing frame, the rear supporting wheel group comprises at least two third idler wheels used for supporting plates, and the upper planes of the third idler wheels are the same in height and are higher than the feeding platform and lower than the upper shearing edge of the plate shearing machine.
2. The sheet material shearing machine blanking plate material scratching prevention device according to claim 1, characterized in that: the height of the upper plane of the first roller is the same as that of the upper plane of the third roller.
3. The sheet material shearing machine blanking plate material scratching prevention device according to claim 2, characterized in that: the first roller and the third roller are 8-12cm higher than the feeding platform of the plate shearing machine.
4. The sheet material shearing machine blanking plate material scratching prevention device according to claim 1, characterized in that: the front idler wheel set comprises five first idler wheels, the rear idler wheel set comprises five third idler wheels, the arrangement direction of the five first idler wheels is perpendicular to the plate feeding direction, and the arrangement direction of the five third idler wheels is perpendicular to the plate feeding direction.
5. The sheet material shearing machine blanking plate material scratching prevention device according to claim 4, characterized in that: the first roller comprises a first roller shaft and a first bearing sleeved on the first roller shaft, and two ends of the first bearing are fixed on the first fixing frame through a first supporting plate.
6. The sheet material shearing machine blanking plate material scratching prevention device according to claim 4, characterized in that: the third roller comprises a third roller shaft and a third bearing sleeved on the third roller shaft, and two ends of the third bearing are fixed on the second fixing frame through a third supporting plate.
7. The sheet material shearing machine blanking plate material scratching prevention device according to claim 4, characterized in that: the two ends of the supporting frame are fixed on the feeding platform through bolts, a horizontal protruding section is arranged in the middle of the supporting frame, the adjusting mechanism is arranged on the horizontal protruding section, and the front pressing wheel set is connected with the adjusting mechanism through a fixing support.
8. The sheet material shearing machine blanking plate material scratching prevention device according to claim 7, characterized in that: the adjusting mechanism comprises two threaded rods which penetrate through the horizontal protruding section of the support frame and are arranged oppositely, the upper ends of the threaded rods are fixed with the support frame in a limiting mode through first nuts, and the lower ends of the threaded rods are fixed with the fixed support in a limiting mode through second nuts.
9. The sheet material shearing machine blanking plate material scratching prevention device according to claim 8, characterized in that: the front pressing wheel set comprises two second rollers, the lower planes of the two second rollers are located on the same horizontal plane, the arrangement direction of the two second rollers is perpendicular to the feeding direction of the plate, and the two second rollers are arranged at the bottom of the fixed support.
10. The sheet material shearing machine blanking plate material scratching prevention device according to claim 9, characterized in that: the second roller comprises a second roller shaft and a second bearing sleeved on the second roller shaft, and two ends of the second bearing are fixed at the bottom of the fixed support through a second supporting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921867411.5U CN211027826U (en) | 2019-11-01 | 2019-11-01 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
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| CN201921867411.5U CN211027826U (en) | 2019-11-01 | 2019-11-01 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756678A (en) * | 2019-11-01 | 2020-02-07 | 中车眉山车辆有限公司 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756678A (en) * | 2019-11-01 | 2020-02-07 | 中车眉山车辆有限公司 | Sheet material scratch device is prevented in sheet metal material shearing machine unloading |
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