CN216912306U - Gantry shearing machine with pressing mechanism - Google Patents
Gantry shearing machine with pressing mechanism Download PDFInfo
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- CN216912306U CN216912306U CN202122760718.9U CN202122760718U CN216912306U CN 216912306 U CN216912306 U CN 216912306U CN 202122760718 U CN202122760718 U CN 202122760718U CN 216912306 U CN216912306 U CN 216912306U
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Abstract
The utility model relates to a gantry shearing machine with a pressing mechanism, wherein a pressing oil cylinder arranged at the front end of a front baffle of a gantry drives a sliding plate arranged at the front end of the baffle and a pressing plate arranged at the lower end of the sliding plate, the pressing plate can press a metal plate to be sheared on a material table, hinge shafts at the upper end and the lower end of the pressing oil cylinder can respond to small-amplitude vibration generated when a moving cutter head is sheared, a limiting plate enables the sliding plate to vertically limit and slide, an adjusting bolt penetrating through the baffle can adjust the transverse position of the sliding plate, and a fixing bolt arranged in a transverse long groove on the sliding plate can fix the position of the sliding plate. The pressing oil cylinder and the sliding plate are arranged in the middle of the front baffle plate, the pressing plate extends to the position close to the movable cutter head, the metal plate is prevented from being cut to be displaced, when the sliding plate and the limiting plate are abraded, the sliding plate can be transversely pushed inwards tightly, the limiting plate and the sliding plate can be tightly attached, the pressing plate can continue to operate stably, the cutting speed and the cutting efficiency are improved, the service life of the device is prolonged, and a large amount of cost is saved.
Description
Technical Field
The utility model belongs to the technical field of shearing machines, and particularly relates to a gantry shearing machine with a pressing mechanism.
Background
The gantry shears are often used when metal is sheared, and have the advantages of large shearing force, convenience in use and the like. The gantry shear comprises a gantry frame, a material platform, a cutting board, a front baffle and a rear baffle, wherein the front baffle and the rear baffle are arranged on the inner wall of the inner upper end of the gantry frame at intervals, the cutting board is arranged between the front baffle and the rear baffle in a sliding manner, the upper end of the cutting board is connected with a piston rod extending downwards of a hydraulic cylinder arranged at the upper end of the gantry frame, and an inclined moving cutter head is arranged at the lower end of the cutting board; a material platform is arranged in the portal frame below the cutter plate, and a static cutter head is arranged at the rear end of the material platform; the shearing action between the movable cutter head and the static cutter head can shear the steel plate placed on the material platform into a required size.
In the above-mentioned structure, place stably and can normally accomplish the shearing in order to guarantee the steel sheet of material bench, go back to the hold-down mechanism who sets up the steel sheet on the portal frame, if: and a pressing plate or a pressing strip which can swing towards the material table is arranged on the portal frame on the side surface of the material table, and before shearing, the pressing plate or the pressing strip swings and rotates under the driving of the oil cylinder and is pressed on the steel plate. In practical use, the movable cutter head is inclined, and the pressing force of the pressing plate or the pressing bar is also provided by the oil cylinder on the inclined side, so that the steel plate can be transversely displaced integrally or obliquely displaced close to the end part of the movable cutter head under the action of two inclined forces in the shearing process, and the shearing speed and effect are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a gantry shearing machine with a pressing mechanism, wherein a sliding plate is arranged at the front end of a front baffle, a pressing plate is arranged at the lower end of the sliding plate, and a pressing oil cylinder can drive the sliding plate to drive the pressing plate to press a metal plate to be sheared, which is placed on a material table.
The technical scheme adopted by the utility model is as follows:
the utility model provides a gantry shearing machine with hold-down mechanism, includes portal frame, material platform, cutting board, preceding baffle and backplate, and the portal frame upper end sets up preceding baffle and backplate, and vertical slip sets up the cutting board between the two, and cutting board lower extreme front end sets up moves the tool bit, sets up in the portal frame of cutting board below the material platform, wherein, the preceding baffle surface of material bench side is provided with can vertical gliding hold-down mechanism, and the hold-down end of this hold-down mechanism lower extreme can press the up end of treating the shearing metal sheet of placing on the material platform.
The contact position of the pressing end at the lower end of the pressing mechanism and the upper end face of the metal plate to be sheared is close to the front end face of the movable cutter head.
The pressing mechanism comprises a sliding plate and a pressing plate, the sliding plate is vertically limited and slidably arranged on the front end face of the front baffle, and the pressing plate arranged at the lower end of the sliding plate can press the upper end face of a metal plate to be sheared, which is placed on the material table; and a pressing oil cylinder for driving the sliding plate to vertically slide is arranged on the front baffle.
The lower end of the front end face of the front baffle is transversely provided with two baffles at intervals, each baffle is provided with a limiting plate capable of transversely adjusting the position, and the two limiting plates are respectively embedded with the end parts of two sides of the sliding plate in a sliding mode.
The end parts of the two sides of the sliding plate are set to be wedge surfaces, the surface of the limiting plate aligned with the wedge surfaces is an inclined surface, and the wedge surfaces are in sliding fit with the inclined surfaces.
The side face of the baffle is provided with an adjusting bolt, the adjusting bolt penetrates through the baffle and can be abutted to the side face aligned with the limiting plate, and each limiting plate is provided with a fixing bolt for fixing the limiting plate after the position is adjusted.
The upper end of a compression oil cylinder is hinged above the front end face of the front baffle, and the lower end of the compression oil cylinder is hinged on the front end face of the sliding plate.
The utility model has the advantages and positive effects that:
according to the utility model, the pressing oil cylinder arranged at the front end of the front baffle plate of the portal frame can drive the sliding plate arranged at the front end of the baffle plate and the pressing plate arranged at the lower end of the sliding plate, the pressing plate can press a metal plate to be sheared on the material table, the hinge shafts at the upper end and the lower end of the pressing oil cylinder can deal with small-amplitude vibration generated when the movable cutter head is sheared, the limiting plate enables the sliding plate to vertically limit and slide, the adjusting bolt penetrating through the baffle plate can adjust the transverse position of the sliding plate, and the fixing bolt arranged in the transverse long groove on the sliding plate can fix the position of the sliding plate. The pressing oil cylinder and the sliding plate are arranged in the middle of the front baffle, the pressing plate extends to the position close to the movable cutter head, the metal plate is prevented from being cut to be displaced, when the sliding plate and the limiting plate generate friction loss after working for a long time, the sliding plate can be transversely pushed inwards tightly, the limiting plate and the sliding plate can be tightly attached, the pressing plate can continue to operate stably, the cutting speed and efficiency are improved, the service life of the device is prolonged, and a large amount of cost is saved.
Drawings
FIG. 1 is a cross-cut gantry with hold-down mechanism;
FIG. 2 is an enlarged view of section I of FIG. 1;
FIG. 3 is an operational state diagram of FIG. 2;
fig. 4 is a top view of the sliding plate of fig. 2.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the utility model.
The utility model discloses a gantry shearing machine with a pressing mechanism, which comprises a portal frame 2, a material table 11, a cutter plate, a front baffle plate 12 and a rear baffle plate, wherein the upper end of the portal frame is provided with a vertical front baffle plate and a vertical rear baffle plate, the front baffle plate and the rear baffle plate are arranged at intervals in a front-rear alignment mode, the cutter plate is vertically arranged in a gap between the front baffle plate and the rear baffle plate in a sliding mode, the front end of the lower end of the cutter plate is provided with a movable cutter head 8, the cutter plate is connected with a main piston rod 3 of a hydraulic cylinder 1 at the upper end of the portal frame, the hydraulic cylinder can drive the cutter plate to drive the movable cutter head to vertically slide between the front baffle plate and the rear baffle plate in a limiting mode, and the material table is arranged in the portal frame below the cutter plate, and the utility model has the innovation that: the surface of the front baffle above the material platform is provided with a pressing mechanism capable of sliding vertically, and the pressing end at the lower end of the pressing mechanism can press the upper end surface of a metal plate 17 to be sheared, which is placed on the material platform. The contact position of the pressing end at the lower end of the pressing mechanism and the upper end surface of the metal plate to be sheared is close to the front end surface of the movable cutter head.
The pressing mechanism comprises a sliding plate 7 and a pressing plate 10, the sliding plate is vertically arranged on the front end face of the front baffle in a limiting sliding mode, the lower end of the sliding plate is provided with a transverse pressing plate, the pressing plate transversely extends towards the movable cutter head from the lower end of the sliding plate, and in order to enable metal plates to be cut of different sizes to be pressed, the rear end of the pressing plate should be close to the front end face of the movable cutter head as far as possible. The lower end of the sliding plate is fixedly connected with the upper end face of the front end of the pressing plate, the pressing plate can vertically move along with the vertical limiting sliding of the sliding plate, and the pressing plate can be pressed on the upper end face of a metal plate to be sheared, which is placed on the material table, when moving downwards.
Two baffles 16 are transversely arranged at intervals at the lower end of the front end face of the front baffle, a limiting plate 6 capable of transversely adjusting the position is arranged on the inner side of each baffle, and the inner sides of the two limiting plates are respectively embedded with the end parts at two sides of the sliding plate in a sliding mode. The end parts of the two sides of the sliding plate are inclined plane wedge surfaces 9 which extend backwards gradually towards the two sides of the sliding plate, the surface of the limiting plate which is aligned with the inclined plane is an inclined plane which extends forwards gradually towards the inner side, the inclined plane of the two sides of the sliding plate and the inclined plane of the inner side of the limiting plate are in sliding fit with each other, the sliding plate is limited on the front baffle plate and can vertically limit and slide.
The side face of the baffle is provided with an adjusting bolt 13 which penetrates through the baffle from outside to inside, the tail end of the adjusting bolt is positioned at the inner side of the baffle and can be propped against the side face of the limiting plate in alignment, each limiting plate is provided with a transverse elongated slot, and a fixing bolt 14 for fixing the limiting plate after the position is adjusted is arranged in each elongated slot. When the position of the limiting plate needs to be adjusted, the fixing bolt is firstly unscrewed, the adjusting bolt is rotated, the tail end of the adjusting bolt abuts against the limiting plate to adjust the transverse position of the limiting plate by adjusting the transverse position of the adjusting bolt, and then the fixing bolt is screwed down, so that the limiting plate can be fixed at the adjusted position.
A pressing oil cylinder 5 for driving the sliding plate to vertically slide is arranged on the front baffle plate, the upper end of the pressing oil cylinder is hinged on the front baffle plate, and a hinge shaft 4 at the upper end of the pressing oil cylinder is axially vertical to the front baffle plate, so that the pressing oil cylinder can transversely swing on the front baffle plate in a small range; the lower end of a piston rod 18 of the hold-down cylinder is hinged at the lower end of the front end surface of the sliding plate, and a hinge shaft 15 at the lower end of the piston rod is axially arranged transversely on two sides of the portal frame, so that the sliding plate and the hold-down plate can swing back and forth by a small amplitude. When the pressure strip pressed on the metal plate to be sheared, the shearing force of the movable cutter head acted on the rear end of the metal plate to be sheared, the front end of the metal plate to be sheared can generate an upward force due to the lever effect, and the pressure strip pressed on the front end of the metal plate to be sheared can better resist the generated lever force. Because the shearing force of the movable cutter head is large, the front end of the metal plate to be sheared can generate vertical small-amplitude vibration due to lever force in the shearing process, and at the moment, the hinge shaft at the lower end of the piston rod can counteract most of vibration; because the shearing surface of the movable cutter head is inclined, the shearing force acting on the metal plate to be sheared gradually moves from one side of the portal frame to the other side, small-amplitude vibration can be generated on the two transverse sides of the metal plate to be sheared up and down in the shearing process, at the moment, a hinge shaft at the upper end of the compression oil cylinder can offset most vibration, and damage to the compression oil cylinder is avoided. Meanwhile, the compression oil cylinder and the sliding plate which are arranged in the middle of the front baffle can provide relatively uniform pressure, and the pressing plate which extends to the position close to the movable cutter head can integrally press the metal plate to be sheared, so that the transverse displacement of the metal plate to be sheared in the shearing process is avoided.
What produce between the vertical slip of sliding plate and the limiting plate is sliding friction, can produce great frictional force when the operation is cut to the longmen between sliding plate and the limiting plate, the sliding plate with the limiting plate inevitable can produce the friction loss after the longmen is cut to work a period, the gap grow between sliding plate and the limiting plate this moment, can produce great the rocking because the spacing effect variation of limiting plate when the sliding plate vertical slip. Can adjust the transverse position of limiting plate through adjusting bolt this moment, push up the limiting plate to the inboard tightly, reduce the gap between sliding plate and the limiting plate, because the contact surface of sliding plate and limiting plate is wedge face and inclined plane contact to can compress tightly the sliding plate in the front on the baffle and spacing its vertical slip orbit, finally make the pressure strip can continue steady operation.
According to the utility model, the sliding plate and the pressing oil cylinder are arranged at the front end of the front baffle plate of the portal frame, the pressing oil cylinder can drive the sliding plate and the pressing plate arranged at the lower end of the sliding plate to press a metal plate to be sheared on the material table, the hinge shafts at the upper end and the lower end of the pressing oil cylinder can deal with small-amplitude vibration generated when the movable cutter head is sheared, the limiting plates at two sides of the sliding plate enable the sliding plate to vertically limit and slide, the adjusting bolts penetrating through the baffle plates at two sides of the sliding plate can adjust the transverse position of the sliding plate, and the fixing bolts arranged in the transverse long grooves arranged on the sliding plate can fix the position of the sliding plate after the sliding plate is positioned. The pressing oil cylinder and the sliding plate are arranged in the middle of the front baffle, the pressing plate at the lower end of the sliding plate extends to the position close to the movable cutter head, the metal plate to be sheared on the pressing plate table can be tightly pressed, the metal plate to be sheared is avoided to be displaced, friction loss is generated after the sliding plate and the limiting plate work for a long time, the sliding plate can be pushed inwards and tightly transversely, the limiting plate and the sliding plate can be tightly attached, the sliding plate is fastened and limited, the pressing plate can continue to operate stably, the pressing plate to be sheared needs to be pressed for a long time, the shearing speed and the shearing efficiency are improved, the service life of the device is prolonged, and a large amount of cost is saved.
Claims (7)
1. The utility model provides a longmen cutter with hold-down mechanism, includes portal frame, material platform, cutting board, preceding baffle and backplate, and the portal frame upper end sets up preceding baffle and backplate, and vertical slip sets up the cutting board between the two, and cutting board lower extreme front end sets up moves the tool bit, sets up in the portal frame of cutting board below the material platform, its characterized in that: the surface of the front baffle above the material table is provided with a pressing mechanism capable of sliding vertically, and the pressing end at the lower end of the pressing mechanism can press the upper end surface of a metal plate to be sheared, which is placed on the material table.
2. The gantry shearing machine with the pressing mechanism according to claim 1, wherein: the contact position of the pressing end at the lower end of the pressing mechanism and the upper end surface of the metal plate to be sheared is close to the front end surface of the movable cutter head.
3. A gantry shearing machine with a pressing mechanism according to claim 1 or 2, characterized in that: the pressing mechanism comprises a sliding plate and a pressing plate, the sliding plate is vertically limited and slidably arranged on the front end face of the front baffle, and the pressing plate arranged at the lower end of the sliding plate can press the upper end face of a metal plate to be sheared, which is placed on the material table; and a pressing oil cylinder for driving the sliding plate to vertically slide is arranged on the front baffle.
4. The gantry shearing machine with the pressing mechanism according to claim 3, wherein: the lower end of the front end face of the front baffle is transversely provided with two baffles at intervals, each baffle is provided with a limiting plate capable of transversely adjusting the position, and the two limiting plates are respectively embedded with the end parts of the two sides of the sliding plate in a sliding manner.
5. The gantry shearing machine with the pressing mechanism according to claim 4, wherein: the end parts of the two sides of the sliding plate are provided with inclined wedge surfaces, the surface of the limiting plate aligned with the inclined wedge surfaces is an inclined surface, and the inclined wedge surfaces are in sliding fit with the inclined surfaces.
6. A gantry shearing machine with a pressing mechanism according to claim 4 or 5, characterized in that: the side face of the baffle is provided with an adjusting bolt which can be propped against the side face of the limiting plate after penetrating through the baffle, and each limiting plate is provided with a fixing bolt for fixing the limiting plate after the position is adjusted.
7. A gantry shearing machine with a pressing mechanism according to claim 4 or 5, characterized in that: the upper end of a compression oil cylinder is hinged above the front end face of the front baffle, and the lower end of the compression oil cylinder is hinged on the front end face of the sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122760718.9U CN216912306U (en) | 2021-11-12 | 2021-11-12 | Gantry shearing machine with pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122760718.9U CN216912306U (en) | 2021-11-12 | 2021-11-12 | Gantry shearing machine with pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216912306U true CN216912306U (en) | 2022-07-08 |
Family
ID=82248064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122760718.9U Active CN216912306U (en) | 2021-11-12 | 2021-11-12 | Gantry shearing machine with pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216912306U (en) |
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2021
- 2021-11-12 CN CN202122760718.9U patent/CN216912306U/en active Active
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