CN219336282U - Lifting protective cover for workbench of direct-push wire cutting machine - Google Patents
Lifting protective cover for workbench of direct-push wire cutting machine Download PDFInfo
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- CN219336282U CN219336282U CN202320592262.6U CN202320592262U CN219336282U CN 219336282 U CN219336282 U CN 219336282U CN 202320592262 U CN202320592262 U CN 202320592262U CN 219336282 U CN219336282 U CN 219336282U
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Abstract
The utility model discloses a lifting protective cover of a workbench of a direct-push wire cutting machine, which comprises two upright posts fixedly arranged on the wire cutting machine at intervals, a rear protective plate is fixedly arranged between the upright posts so as to cover the rear side of the workbench, the lifting protective cover also comprises a base and a movable protective plate, wherein the base and the movable protective plate are semi-enclosed structures extending at the left side, the right side and the front side of the workbench so as to be matched with the upright posts and the rear protective plate, and a closed-loop structure is formed at the periphery of the workbench. The movable guard board can automatically lift, the protective cover is closed when the movable guard board is lifted, the protective cover is opened when the movable guard board is lowered, an operator is not required to manually execute opening and closing actions when the movable guard board is used, the automation degree is high, meanwhile, the movable guard board is stored inside the base when the movable guard board is lowered, the left side, the right side and the front side of the workbench are completely opened, shielding is avoided, the mechanical arm can extend into the workbench to operate at any angle, the control difficulty of the mechanical arm is low, interference between the mechanical arm and the protective cover is not easy to occur, and the automatic transformation of a production line is facilitated.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to a lifting protective cover of a workbench of a direct-push wire cutting machine.
Background
Wire cutting machines are common machining equipment for cutting metal workpieces. The workbench protective cover of the existing wire cutting machine is arranged around the workbench and used for protecting operators and preventing cooling liquid and metal scraps from splashing when processing workpieces. The common opening mode of the existing protective cover is a sliding door type or a vertical hinged door type. In the use process, an operator is required to manually open and close the protective cover, and the degree of automation of the protective cover is low.
When carrying out automatic transformation to the production line including wire-electrode cutting machine, can adopt the arm to replace the manual work to accomplish the operation of getting of work piece on the wire-electrode cutting machine workstation, and current protection casing receives its mode of opening, the door body, frame construction's restriction, even under the open condition, still has more shielding to the workstation, the arm can only open the window of one side by the protection casing and stretch into the operation on the workstation, the arm control degree of difficulty is big, and interfere with the protection casing easily, be unfavorable for the automatic transformation of production line.
Disclosure of Invention
The utility model aims to provide a lifting protective cover for a workbench of a direct-push wire cutting machine.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the lifting protective cover comprises two upright posts which are fixedly arranged on the linear cutting machine at intervals, a rear protective plate is fixedly arranged between the upright posts so as to cover the rear side of the workbench, the lifting protective cover also comprises a base and a movable protective plate, wherein the base and the movable protective plate are semi-enclosed structures which extend at the left side, the right side and the front side of the workbench so as to be matched with the upright posts and the rear protective plate, and a closed-loop structure is formed at the periphery of the workbench;
the base is fixedly arranged on the linear cutting machine, the movable guard plate is movably arranged on the inner side of the base in a stacked and nested manner, one or two groups of power mechanisms are arranged on the base at the front side of the workbench, each power mechanism comprises a movable seat, a screw rod motor and a guide seat, the screw rod motor and the guide seats are fixedly arranged on the base, a first transverse hole is formed in each guide seat, and the movable seat is in transmission connection with the screw rod motor through screw rod nuts so as to reciprocate along the first transverse hole under the driving of the screw rod motor;
the movable guard board is driven by the power mechanism to push up and lift.
As a further improved technical scheme of the utility model, at least two movable guard plates are arranged, the top of each movable guard plate is provided with an inward turned flange, the bottom of each movable guard plate is provided with an outward turned flange, the flanges on adjacent movable guard plates can be mutually overlapped to transfer upward moving acting force between the movable guard plates, and the top of the base is provided with an inward turned flange to be overlapped with the flange at the bottom of the outermost movable guard plate so as to limit the maximum lifting distance of the movable guard plates.
As a further improved technical scheme of the utility model, the power mechanism is a group, the movable seat of the power mechanism is hinged with the bottom end of one side connecting rod of the folding connecting rod mechanism, and the bottom end of the other side connecting rod of the folding connecting rod mechanism is hinged with the fixed seat fixedly arranged on the base.
As a further improved technical scheme of the utility model, the two groups of power mechanisms are symmetrically arranged at two sides of the folding connecting rod mechanism, and the movable seats of the power mechanisms are respectively hinged with the bottom ends of the connecting rods at two sides of the folding connecting rod mechanism.
As a further improved technical scheme of the utility model, the top end of the folding link mechanism is hinged with a triangular swing rod, the two ends of the top of the triangular swing rod are provided with first rollers, a guide plate is fixedly arranged on the innermost movable guard plate so as to form a second transverse hole in cooperation with the innermost movable guard plate, the first rollers can move in the second transverse hole, and the left and right equally-divided surfaces of the movable guard plate are always positioned between the two first rollers in the lifting process of the movable guard plate.
As a further improved technical scheme of the utility model, a plurality of second rollers are arranged on the matching surfaces of the adjacent movable guard plates and the matching surfaces of the movable guard plates and the base so as to reduce the movement resistance of the movable guard plates.
As a further improved technical scheme of the utility model, the upright post is provided with a guide groove for guiding the lifting movement of the movable guard plate.
As a further improved technical scheme of the utility model, the base is provided with a first protection shell covered on the outer side of the power mechanism.
As a further improved technical scheme of the utility model, the innermost movable guard plate is provided with a second protective shell covered on the outer sides of the guide plate and the triangular swing rod.
Compared with the prior art, the utility model has the technical effects that:
the movable guard board can automatically lift, the protective cover is closed when the movable guard board is lifted, the protective cover is opened when the movable guard board is lowered, an operator is not required to manually execute opening and closing actions when the movable guard board is used, the automation degree is high, meanwhile, the movable guard board is stored inside the base when the movable guard board is lowered, the left side, the right side and the front side of the workbench are completely opened, shielding is avoided, the mechanical arm can extend into the workbench to operate at any angle, the control difficulty of the mechanical arm is low, interference between the mechanical arm and the protective cover is not easy to occur, and the automatic transformation of a production line is facilitated.
Drawings
Fig. 1 is a schematic perspective view of a lifting shield of a workbench of a linear cutting machine in an embodiment of the utility model;
fig. 2 is a schematic perspective view of another view angle of a lifting shield of a workbench of a linear cutting machine according to an embodiment of the utility model;
FIG. 3 is a schematic perspective view of a working table lifting shield of a linear cutting machine according to an embodiment of the present utility model, with first and second shield shells removed;
FIG. 4 is a schematic view of a partially enlarged structure of a triangular swing link at the top end of the folding link mechanism;
FIG. 5 is a schematic view of a partially enlarged construction of the folding linkage bottom power mechanism and the mounting base;
fig. 6 is a schematic diagram of a distribution structure of the second roller.
Detailed Description
The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.
It should be noted that the front, rear, left, right, and other orientations described herein are based on the view angle shown in fig. 1.
Referring to fig. 1 to 6, a lifting protective cover for a workbench of a direct-push wire cutting machine comprises two upright posts 1 which are fixedly arranged on the wire cutting machine at intervals, a rear protective plate 2 is fixedly arranged between the upright posts 1 so as to shield the rear side of the workbench, a base 3 and a movable protective plate 6 are further included, the base 3 and the movable protective plate 6 are semi-enclosed structures extending at the left side, the right side and the front side of the workbench, and are matched with the upright posts 1 and the rear protective plate 2 to form a closed-loop structure at the periphery of the workbench.
The base 3 is fixedly arranged on the wire cutting machine, the movable guard plate 6 is movably arranged on the inner side of the base 3 in a stacked and nested manner, and the term "movable" of the movable guard plate 6 means that the movable guard plate 6 can move in the up-and-down direction.
One or two groups of power mechanisms 5 are arranged on the base 3 positioned on the front side of the workbench, the power mechanisms 5 comprise a movable seat 51, a screw rod motor 52 and a guide seat 53, the screw rod motor 52 and the guide seat 53 are fixedly arranged on the base 3, a first transverse hole 54 is formed in the guide seat 53, and the movable seat 51 is in transmission connection with the screw rod motor 52 through a screw rod nut 55 so as to reciprocate along the first transverse hole 54 under the driving of the screw rod motor 52;
the folding mechanism further comprises a folding link mechanism 7, and the bottom ends of the links on one side or two sides of the folding link mechanism 7 are hinged with the movable seat 51 so as to push up and lift the movable guard plate 6 under the drive of the power mechanism 5. The movable guard plate 6 can be driven by the power mechanism 5 or fall back by self weight during the descending process.
It should be noted that, the folding link mechanism 7 is formed by hinging a plurality of links (in this embodiment, two long rods and two short rods are included), specifically, the butt joint and the intersection of the end portions of the plurality of links are hinged, and when the bottom ends of the links are pushed and pulled to the left and right sides, the links swing at the hinge positions, so that the folding link mechanism 7 is lengthened or shortened.
Further, in this embodiment, the number of the moving guard plates 6 is three, the top of the moving guard plate 6 is provided with an inwardly turned flange 8, the bottom of the moving guard plate 6 is provided with an outwardly turned flange 8, the flanges 8 on adjacent moving guard plates 6 can overlap each other (the bottom flange 8 overlaps the flange 8 on the top of the outer moving guard plate 6 when the inner moving guard plate 6 is lifted), so that the acting force of upward movement is transferred between the moving guard plates 6, the top of the base 3 is provided with an inwardly turned flange 8 to overlap the flange 8 on the bottom of the outermost moving guard plate 6, the maximum lifting distance of the moving guard plate 6 is limited, and the moving guard plate 6 is prevented from falling out of the base 3 in the lifting process.
Further, in this embodiment, the power mechanism 5 is a group, the moving seat 51 of the power mechanism 5 is hinged to the bottom end of the left link of the folding link mechanism 7, and the bottom end of the right link of the folding link mechanism 7 is hinged to the fixed seat 4 fixed on the base 3.
This embodiment requires only one set of power mechanisms 5, and is a low cost, preferred embodiment. But since the folding linkage 7 is pushed to be elongated from only one side, the top part moves laterally during the elongation of the folding linkage 7. Specifically, the movable seat 51 of the power mechanism 5 moves rightward with the bottom end of the left link of the folding link mechanism 7, the folding link mechanism 7 extends, the movable guard 6 is pushed up and lifted, and in the process, the top of the folding link mechanism 7 moves leftward.
Since the movable guard 6 is in a laterally symmetrical shape, the center of gravity thereof is located on a horizontal bisecting plane (a plane bisecting the movable guard 6 in the front-rear direction), when a single point (the top of the folding link mechanism 7) is applied with force, if the top of the folding link mechanism 7 moves laterally, the movable guard 6 will be inclined to the left and right due to the deviation of the point of application of force from the plane in which the center of gravity of the movable guard 6 is located during the lifting of the movable guard 6, and the movable guard 6 will be likely to be stuck during operation.
Further, the top end of the folding link mechanism 7 is hinged with a triangular swing rod 9, two ends of the top of the triangular swing rod 9 are provided with first rollers 10, a guide plate 11 is fixedly arranged on the innermost movable guard plate 6 so as to form a second transverse hole 12 in cooperation with the innermost movable guard plate 6, the first rollers 10 can move in the second transverse hole 12, and the left-right bisecting surface of the movable guard plate 6 is always positioned between the two first rollers 10 in the lifting process of the movable guard plate 6.
Through setting up the bifurcated triangle pendulum rod 9 in top, increase the contact application point of folding link mechanism 7 and moving backplate 6 to two points (two first gyro wheels 10), the synchronous sideslip in the top of moving backplate 6 in-process triangle pendulum rod 9 along with folding link mechanism 7 only need rationally set up the bifurcation width (the interval of two first gyro wheels 10) of triangle pendulum rod 9 for the moving backplate 6 in-process of rising, the left and right sides bisection face that focus is located between two first gyro wheels 10 all the time, can effectively reduce the stress that moves backplate 6 in-process produced and inclines to the left and right sides, can let and move backplate 6 operation more smooth and easy.
In other embodiments, the power mechanisms 5 may be two groups, the two groups of power mechanisms 5 are symmetrically disposed at two sides of the folding link mechanism 7, and the movable seat 51 of the power mechanism 5 is hinged to the bottom ends of the links at two sides of the folding link mechanism 7 respectively. The two groups of power mechanisms 5 synchronously push the folding link mechanism 7 to extend, the top of the folding link mechanism 7 cannot transversely move, and only the top of the folding link mechanism 7 is required to be aligned with the left and right middle parts of the movable guard plate 6, so that the triangular swing rod 9 and the guide plate 11 are not required to be arranged in the embodiment, but the manufacturing cost is high due to the fact that one group of power mechanisms 5 is added.
Further, a plurality of second rollers 13 are arranged on the matching surfaces of the adjacent movable guard plates 6 and the matching surfaces of the movable guard plates 6 and the base 3 so as to reduce the movement resistance of the movable guard plates 6. The second roller 13 has a horizontal rotation axis direction for changing the moving guard plates 6 into rolling contact with each other and the moving guard plates 6 and the base 3, and has small running resistance. The second roller 13 is provided on the left, right, and front sides.
Further, the upright 1 is provided with a guide groove 14 for guiding the lifting movement of the movable guard plate 6. The guide groove 14 is provided vertically, and both end portions of the rear side of the moving fence 6 are provided in the guide groove 14.
Further, the base 3 is provided with a first protection housing 15 covering the outside of the power mechanism 5. The first protective housing 15 extends in the present embodiment to the holder 4.
Further, a second protection shell 16 covering the outer sides of the guide plate 11 and the triangular swing rod 9 is arranged on the innermost movable guard plate 6.
The working process of the utility model is as follows:
when the protective cover is initially opened, three movable protective plates 6 are nested and arranged on the inner side of the base 3 in a stacked mode, the base 3 supports the movable protective plates 6, when the protective cover needs to be closed, the screw motor 52 of the power mechanism 5 drives the movable seat 51 to move rightwards along the first transverse hole 54 on the guide seat 53, the end part of the connecting rod hinged with the movable seat 51 moves rightwards in the process, the folding connecting rod mechanism 7 stretches, the folding connecting rod mechanism 7 pushes the innermost movable protective plate 6 to lift, force is transferred through the overlapped flanging 8 in the lifting process of the innermost movable protective plate 6, and all the movable protective plates 6 can be driven to lift (shown in figures 1, 2 and 3).
Compared with the prior art, the utility model has the technical effects that:
the movable guard plate 6 can automatically lift, namely the protective cover is closed when the movable guard plate 6 is lifted, namely the protective cover is opened when the movable guard plate 6 is lowered, and an operator does not need to manually execute opening and closing actions when the movable guard plate 6 is used, so that the automatic lifting machine is high in automation degree, meanwhile, when the movable guard plate 6 is lowered, the movable guard plate is stored inside the base 3, the left side, the right side and the front side of the workbench are completely opened, no shielding exists, the mechanical arm can extend into the workbench to operate at any angle, the control difficulty of the mechanical arm is low, interference between the mechanical arm and the protective cover is difficult, and the automatic lifting machine is beneficial to automatic improvement of a production line.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. The lifting protective cover of the workbench of the direct-push wire cutting machine comprises two upright posts which are fixedly arranged on the wire cutting machine at intervals, a rear protective plate is fixedly arranged between the upright posts so as to cover the rear side of the workbench, and the lifting protective cover is characterized by also comprising a base and a movable protective plate, wherein the base and the movable protective plate are semi-enclosed structures extending at the left side, the right side and the front side of the workbench so as to be matched with the upright posts and the rear protective plate, and a closed-loop structure is formed at the periphery of the workbench;
the base is fixedly arranged on the linear cutting machine, the movable guard plate is movably arranged on the inner side of the base in a stacked and nested manner, one or two groups of power mechanisms are arranged on the base at the front side of the workbench, each power mechanism comprises a movable seat, a screw rod motor and a guide seat, the screw rod motor and the guide seats are fixedly arranged on the base, a first transverse hole is formed in each guide seat, and the movable seat is in transmission connection with the screw rod motor through screw rod nuts so as to reciprocate along the first transverse hole under the driving of the screw rod motor;
the movable guard board is driven by the power mechanism to push up and lift.
2. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein the number of the movable guard plates is at least two, the top of the movable guard plates is provided with an inward turned flange, the bottom of the movable guard plates is provided with an outward turned flange, the flanges on adjacent movable guard plates can be mutually overlapped to transfer upward moving acting force between the movable guard plates, and the top of the base is provided with an inward turned flange to be overlapped with the flange at the bottom of the outermost movable guard plate so as to limit the maximum lifting distance of the movable guard plates.
3. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein the power mechanism is a group, a movable seat of the power mechanism is hinged with the bottom end of a connecting rod at one side of the folding connecting rod mechanism, and the bottom end of a connecting rod at the other side of the folding connecting rod mechanism is hinged with a fixed seat fixedly arranged on the base.
4. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein the two groups of power mechanisms are symmetrically arranged on two sides of the folding link mechanism, and the movable seat of the power mechanism is hinged with the bottom ends of the connecting rods on two sides of the folding link mechanism respectively.
5. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 3, wherein the top end of the folding link mechanism is hinged with a triangular swing rod, two ends of the top of the triangular swing rod are provided with first rollers, a guide plate is fixedly arranged on the innermost movable guard plate so as to form a second transverse hole in cooperation with the innermost movable guard plate, the first rollers can move in the second transverse hole, and the left-right bisecting surface of the movable guard plate is always positioned between the two first rollers in the lifting process of the movable guard plate.
6. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein a plurality of second rollers are arranged on the matching surfaces of the adjacent movable guard plates and the matching surfaces of the movable guard plates and the base so as to reduce the movement resistance of the movable guard plates.
7. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein the upright post is provided with a guide groove for guiding lifting movement of the movable guard plate.
8. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 1, wherein the base is provided with a first shield shell covered outside the power mechanism.
9. The lifting shield of a workbench of a direct-push wire cutting machine according to claim 5, wherein a second shield shell covered on the outer sides of the guide plate and the triangular swing rod is arranged on the innermost movable guard plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320592262.6U CN219336282U (en) | 2023-03-23 | 2023-03-23 | Lifting protective cover for workbench of direct-push wire cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320592262.6U CN219336282U (en) | 2023-03-23 | 2023-03-23 | Lifting protective cover for workbench of direct-push wire cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219336282U true CN219336282U (en) | 2023-07-14 |
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ID=87111179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320592262.6U Active CN219336282U (en) | 2023-03-23 | 2023-03-23 | Lifting protective cover for workbench of direct-push wire cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219336282U (en) |
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2023
- 2023-03-23 CN CN202320592262.6U patent/CN219336282U/en active Active
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