CN210907591U - Punch press with prevent pressing from both sides and hinder device - Google Patents
Punch press with prevent pressing from both sides and hinder device Download PDFInfo
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- CN210907591U CN210907591U CN201922044464.3U CN201922044464U CN210907591U CN 210907591 U CN210907591 U CN 210907591U CN 201922044464 U CN201922044464 U CN 201922044464U CN 210907591 U CN210907591 U CN 210907591U
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Abstract
The utility model relates to a punch press with an anti-pinch device, which comprises a frame, an upper die and a lower die which are arranged on the frame, wherein the upper part of the frame is fixedly connected with an installation rod, one side of the upper die, which is far away from the frame, is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with the upper die, the other end of the connecting rod is rotatably connected with a first connecting rod, one end of the first connecting rod, which is far away from the connecting rod, is connected with an L-shaped second connecting rod, one end of the second connecting rod is rotatably connected with the first connecting rod, the other end of the second connecting rod is connected with a protection rod, in the process of moving the upper die, an included angle between the first connecting rod and the second connecting rod is always an obtuse angle, and a connecting point of the first connecting rod and the second connecting rod is always positioned above a connecting line between one end of the first connecting rod, which is far away from the second connecting rod, and the top angle of the second connecting rod. The utility model discloses can push away operating personnel's hand when last mould descends, avoid the hand to press from both sides and hinder.
Description
Technical Field
The utility model belongs to the technical field of the technique of punch press and specifically relates to a punch press with prevent pressing from both sides and hinder device is related to.
Background
The punching machine is a platform punching type press machine, and in national production, the punching process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators, capability of making products which cannot be achieved by machining through various die applications and the like compared with the traditional machining, so that the punching machine is more and more widely applied. The stamping production mainly aims at plates, blanking, punching, forming, deep drawing, trimming, fine stamping, shaping, riveting, extruding and the like can be carried out through a die, and the stamping production is widely applied to various fields.
The punch press mainly comprises a frame, an upper die arranged on the upper portion of the frame and a lower die arranged on the lower portion of the frame, wherein the workpiece is required to be positioned, the workpiece to be machined is generally placed on the lower die manually during machining, then the upper die is driven by a motor to move downwards and is abutted against the lower die to machine the workpiece, and the workpiece is continuously manually replaced in the machining process so as to continuously produce.
However, when the workpiece is replaced by hands, the replacement is dangerous, the hands of the operator may not be timely withdrawn, and the hands of the operator are further damaged by clamping, so that great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a punch press with prevent pressing from both sides and hinder device, its advantage lies in: the hands of the operator can be pushed open when the upper die descends, so that clamping injury can be prevented.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a punch press with prevent pressing from both sides hindering device, include the frame, set up in last mould on frame upper portion with set up in the lower mould of frame lower part, the upper portion fixedly connected with installation pole of frame, go up the mould and keep away from one side fixedly connected with connecting rod of frame, the one end fixed connection of connecting rod in go up the mould, the other end of connecting rod rotates and is connected with first connecting rod, first connecting rod is kept away from the one end of connecting rod is connected with the second connecting rod of L shape, the one end of second connecting rod with first connecting rod rotates to be connected, the other end of second connecting rod is connected with the guard bar, the apex angle department of second connecting rod rotate connect in the installation pole is kept away from the one end of frame go up the in-process of mould motion, first connecting rod with contained angle between the second connecting rod is the obtuse angle all the time, and first connecting rod with the tie point of second connecting rod is located all the time first And the end of the second connecting rod is above a connecting line between the end of the second connecting rod and the top corner of the second connecting rod.
By adopting the technical scheme, when the upper die descends, the connecting rod descends to drive the first connecting rod to descend, the first connecting rod pulls the second connecting rod to rotate downwards so as to drive the protective rod to swing anticlockwise, when the upper die ascends, the connecting rod ascends to drive the first connecting rod to ascend, the first connecting rod pulls the second connecting rod to rotate upwards so as to drive the protective rod to swing clockwise, and through the back-and-forth swing of the protective rod, the hands of operators can be pushed away when the upper die descends, so that clamping injury is avoided, and the safety during operation is improved; because the included angle between the first connecting rod and the second connecting rod is always an obtuse angle, the situation that the connecting point of the first connecting rod and the second connecting rod rotates to the position below the connecting line between one end of the first connecting rod, which is far away from the second connecting rod, and the vertex angle of the second connecting rod is avoided, and the situation that the protective rod is difficult to contact the hand due to the change of the rotating direction of the protective rod is prevented; the connecting rod is used for spacing the first connecting rod from the rack, and the rotation of the first connecting rod is prevented from being blocked.
The utility model discloses further set up to: the connecting rod is kept away from the one end of first connecting rod has seted up the constant head tank, a positioning bolt is worn to be equipped with respectively at the both ends of constant head tank, the connecting rod with go up the mould and pass through positioning bolt fixes.
Through adopting above-mentioned technical scheme, positioning bolt is used for fixing a position the connecting rod, avoids the connecting rod to take place to rotate and leads to fender rod wobbling angle to receive the influence, and the fender rod can push operating personnel's hand open when guaranteeing to go up the mould decline.
The utility model discloses further set up to: the upper portion of constant head tank extends to the direction of keeping away from constant head tank cross-section center and forms the holding tank.
Through adopting above-mentioned technical scheme, the holding tank is used for hiding positioning bolt's nut, avoids positioning bolt's nut to cause the hindrance to the rotation of second connecting rod.
The utility model discloses further set up to: and one end of the mounting rod, which is far away from the second connecting rod, is connected with a reinforcing rod, and two ends of the reinforcing rod are fixedly connected to the rack through bolts.
Through adopting above-mentioned technical scheme, the area of contact between anchor rod and the frame can be increased in setting up of anchor strut, has improved the fastness of installation pole, leads to the connection of installation pole not hard up when avoiding fender rod and hand contact.
The utility model discloses further set up to: the protection rod is in threaded connection with the second connecting rod.
Through adopting above-mentioned technical scheme, the threaded connection of fender rod and second connecting rod is convenient for the dismouting of fender rod, conveniently pulls down the fender rod when changing the mould, prevents that the fender rod from causing the hindrance to the change of mould.
The utility model discloses further set up to: the outer side cover of fender rod is equipped with the protective sheath.
Through adopting above-mentioned technical scheme, the protective sheath can protect the hand, prevents that the protective rod from hurting operating personnel's hand.
The utility model discloses further set up to: the guard bar is of a hollow structure.
Through adopting above-mentioned technical scheme, the cavity setting of guard bar can reduce the dynamics that the guard bar was strikeed to the hand, further plays the guard action to the hand, avoids the hand to be bruised.
The utility model discloses further set up to: first connecting rod with wear to be equipped with first pivot between the connecting rod, first connecting rod with wear to be equipped with the second pivot between the second connecting rod, the second connecting rod with wear to be equipped with the third pivot between the installation pole, the both ends of first pivot the both ends of second pivot and the both ends of third pivot are all overlapped and are equipped with the bearing.
Through adopting above-mentioned technical scheme, the setting of bearing can reduce first connecting rod and second connecting rod and receive frictional force when rotating, makes first connecting rod and second connecting rod rotate more easily, has also reduced the wearing and tearing of first pivot, second pivot and third pivot simultaneously, avoids connecting not hard up.
To sum up, the utility model discloses a beneficial technological effect does:
in the process of lifting the upper die, the connecting rod lifts to drive the first connecting rod to lift, the first connecting rod pulls the second connecting rod to rotate, and then the protective rod is driven to swing left and right, so that the hands of an operator can be pushed open when the upper die descends, and the hands are prevented from being clamped;
the arrangement of the reinforcing rods can increase the contact area between the mounting rods and the rack, improve the firmness of the mounting rods and avoid loose connection of the mounting rods when the protective rods are in contact with hands;
the protective sleeve can protect the hands, and the hands are prevented from being bruised by the protective rod when the protective rod is in contact with the hands;
the setting of bearing can reduce first connecting rod and second connecting rod and receive frictional force when rotating, has also reduced the wearing and tearing of first pivot, second pivot and third pivot simultaneously, avoids connecting not hard up.
Drawings
Fig. 1 is a schematic view of the middle upper die of the present invention located above.
Fig. 2 is a schematic view of the middle upper die of the present invention located below.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a frame; 11. an upper die; 12. a lower die; 13. mounting a rod; 14. a reinforcing rod; 2. a connecting rod; 21. positioning a groove; 22. positioning the bolt; 23. accommodating grooves; 3. a first link; 4. a second link; 5. a first rotating shaft; 6. a second rotating shaft; 7. a third rotating shaft; 8. a bearing; 9. a guard bar; 91. and (6) a protective sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a punch press with prevent pressing from both sides hindering device, including frame 1, movable mounting in last mould 11 on frame 1 upper portion and fixed mounting in the lower mould 12 of frame 1 lower part.
Referring to fig. 2 and 3, an installation rod 13 is installed on the upper portion of the frame 1, the installation rod 13 is vertically and fixedly installed in the middle of the side wall of the frame 1 through a bolt, a connecting rod 2 is installed on one side, away from the frame 1, of the upper die 11, a positioning groove 21 is formed in one end of the connecting rod 2, positioning bolts 22 are respectively arranged at two ends of the positioning groove 21 in a penetrating mode, and one end of the connecting rod 2 is fixedly connected to the middle of the side wall of the upper die 11 through the positioning.
The other end of connecting rod 2 is connected with first connecting rod 3, wears to be equipped with first pivot 5 between the one end of first connecting rod 3 and the connecting rod 2, and first connecting rod 3 is articulated mutually through first pivot 5 with connecting rod 2. One end of the first connecting rod 3, which is far away from the connecting rod 2, is connected with an L-shaped second connecting rod 4, a second rotating shaft 6 is arranged between one end of the second connecting rod 4 and the first connecting rod 3 in a penetrating manner, and the second connecting rod 4 is hinged to the first connecting rod 3 through the second rotating shaft 6. The vertex angle department of second connecting rod 4 connects in the one end that frame 1 was kept away from to installation pole 13, wears to be equipped with third pivot 7 between the vertex angle department of second connecting rod 4 and installation pole 13, and second connecting rod 4 is articulated mutually through third pivot 7 with installation pole 13. One end of the second connecting rod 4 far away from the first connecting rod 3 is connected with a cylindrical protective rod 9, and the protective rod 9 is in threaded connection with the second connecting rod 4.
In the process of lifting the upper die 11, the included angle between the first connecting rod 3 and the second connecting rod 4 is always an obtuse angle, and the hinge point of the first connecting rod 3 and the second connecting rod 4 is always positioned above the connecting line between one end of the first connecting rod 3, which is far away from the second connecting rod 4, and the vertex angle of the second connecting rod 4.
When the upper die 11 descends, the connecting rod 2 descends to drive the first connecting rod 3 to descend, the first connecting rod 3 pulls the second connecting rod 4 to rotate downwards, and then the protecting rod 9 is driven to swing anticlockwise, when the upper die 11 ascends, the connecting rod 2 ascends to drive the first connecting rod 3 to ascend, the first connecting rod 3 pulls the second connecting rod 4 to rotate upwards, and then the protecting rod 9 is driven to swing clockwise. The lifting of the upper die 11 drives the protection rod 9 to swing back and forth, so that the hands of an operator can be pushed open when the upper die 11 descends, clamping injury is avoided, and the safety during operation is improved. Positioning bolt 22 is used for fixing a position connecting rod 2, avoids connecting rod 2 to take place to rotate and leads to fender rod 9 wobbling angle to receive the influence, guarantees that fender rod 9 can push away operating personnel's hand when going up mould 11 and descend.
The first half of constant head tank 21 extends to the direction of keeping away from constant head tank 21 cross-section center and forms holding tank 23 to be used for hiding positioning bolt 22's nut, avoid positioning bolt 22's nut to cause the hindrance to the rotation of second connecting rod 4, and then guarantee that guard bar 9 can normally swing.
Due to the fact that the protection rod 9 is in threaded connection with the second connecting rod 4, the protection rod 9 can be conveniently disassembled and assembled, the protection rod 9 can be conveniently disassembled when a mold is replaced, and the protection rod 9 is prevented from hindering replacement of the mold.
The inside of fender rod 9 is hollow structure and the outside cover of fender rod 9 is equipped with the protective layer that the material was glued to the excelling in, and the cavity setting of fender rod 9 can reduce the dynamics that the fender rod 9 collided with the hand, and then protects the hand, avoids the hand to be bruised. The protective cover 91 can further protect the hands, and prevent the hand of the operator from being hit by the protective bar 9.
One end of the mounting rod 13, which is far away from the second connecting rod 4, is welded with a reinforcing rod 14, the reinforcing rod 14 is perpendicular to the mounting rod 13, and two ends of the reinforcing rod 14 are fixedly mounted on the side wall of the rack 1 through bolts. The reinforcing rod 14 can increase the contact area between the mounting rod 13 and the rack 1, improve the firmness of the mounting rod 13 and prevent the mounting rod 13 from being connected loosely when the protection rod 9 is in contact with the hand.
Both ends of first pivot 5, the both ends of second pivot 6 and the both ends of third pivot 7 all overlap and be equipped with bearing 8, and first pivot 5 rotates with connecting rod 2 and first connecting rod 3 through bearing 8 to be connected, and second pivot 6 rotates with first connecting rod 3 and second connecting rod 4 through bearing 8 to be connected, and third pivot 7 rotates with second connecting rod 4 and installation pole 13 through bearing 8 to be connected. The bearing 8 is used for reducing the friction force of the first connecting rod 3 and the second connecting rod 4 when rotating, so that the first connecting rod 3 and the second connecting rod 4 can rotate more easily, meanwhile, the abrasion of the first rotating shaft 5, the second rotating shaft 6 and the third rotating shaft 7 generated when rotating is also reduced, and the connection looseness is avoided.
The implementation principle of the embodiment is as follows: through setting up connecting rod 2, first connecting rod 3, second connecting rod 4 and installation pole 13, drive connecting rod 2 through last mould 11 and go up and down, and then drive first connecting rod 3 and go up and down, the lift in-process of first connecting rod 3 can drive second connecting rod 4 and take place to rotate, and then make fender beam 9 horizontal hunting, in order to push away operating personnel's hand when lower mould 12 descends, avoid operating personnel's hand to be pressed from both sides and hinder, security when having improved the operation.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a punch press with prevent pressing from both sides and hindering device, include frame (1), set up in last mould (11) on frame (1) upper portion with set up in lower mould (12) of frame (1) lower part, its characterized in that: the upper portion fixedly connected with installation pole (13) of frame (1), go up mould (11) and keep away from one side fixedly connected with connecting rod (2) of frame (1), the one end fixed connection in go up mould (11) of connecting rod (2), the other end of connecting rod (2) rotates and is connected with first connecting rod (3), the one end that connecting rod (2) were kept away from in first connecting rod (3) is connected with L shape second connecting rod (4), the one end of second connecting rod (4) with first connecting rod (3) rotate and are connected, the other end of second connecting rod (4) is connected with guard bar (9), the apex angle department of second connecting rod (4) rotates and is connected with the one end that frame (1) were kept away from in installation pole (13), go up the in-process of mould (11) motion, contained angle between first connecting rod (3) and the second connecting rod (4) is the obtuse angle all the time, and the connecting point of the first connecting rod (3) and the second connecting rod (4) is always positioned above the connecting line between one end of the first connecting rod (3) far away from the second connecting rod (4) and the top corner of the second connecting rod (4).
2. The punch press with anti-pinch device of claim 1, wherein: locating slot (21) has been seted up to the one end of keeping away from first connecting rod (3) connecting rod (2), locating bolt (22) are worn to be equipped with respectively at the both ends of locating slot (21), connecting rod (2) with go up mould (11) and pass through locating bolt (22) are fixed.
3. The punch press with anti-pinch device of claim 2, wherein: the upper portion of constant head tank (21) to keeping away from the direction of constant head tank (21) cross-section center extends and forms holding tank (23).
4. The punch press with anti-pinch device of claim 1, wherein: one end, far away from the second connecting rod (4), of the mounting rod (13) is connected with a reinforcing rod (14), and two ends of the reinforcing rod (14) are fixedly connected to the rack (1) through bolts.
5. The punch press with anti-pinch device of claim 1, wherein: the protection rod (9) is in threaded connection with the second connecting rod (4).
6. The punch press with anti-pinch device of claim 1, wherein: the outer side of the protection rod (9) is sleeved with a protection sleeve (91).
7. The punch press with anti-pinch device of claim 1, wherein: the protection rod (9) is of a hollow structure.
8. The punch press with anti-pinch device of claim 1, wherein: first connecting rod (3) with wear to be equipped with first pivot (5) between connecting rod (2), first connecting rod (3) with wear to be equipped with second pivot (6) between second connecting rod (4), second connecting rod (4) with wear to be equipped with third pivot (7) between installation pole (13), the both ends of first pivot (5 the both ends of second pivot (6) and the both ends of third pivot (7) all are equipped with bearing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044464.3U CN210907591U (en) | 2019-11-23 | 2019-11-23 | Punch press with prevent pressing from both sides and hinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044464.3U CN210907591U (en) | 2019-11-23 | 2019-11-23 | Punch press with prevent pressing from both sides and hinder device |
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| Publication Number | Publication Date |
|---|---|
| CN210907591U true CN210907591U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922044464.3U Active CN210907591U (en) | 2019-11-23 | 2019-11-23 | Punch press with prevent pressing from both sides and hinder device |
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| CN (1) | CN210907591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170601A (en) * | 2020-10-29 | 2021-01-05 | 岩卡 | Cleaning device of punching machine |
| CN112474903A (en) * | 2020-11-06 | 2021-03-12 | 武汉科技大学 | Full-automatic plate bending device |
-
2019
- 2019-11-23 CN CN201922044464.3U patent/CN210907591U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170601A (en) * | 2020-10-29 | 2021-01-05 | 岩卡 | Cleaning device of punching machine |
| CN112474903A (en) * | 2020-11-06 | 2021-03-12 | 武汉科技大学 | Full-automatic plate bending device |
| CN112474903B (en) * | 2020-11-06 | 2022-08-02 | 武汉科技大学 | Full-automatic plate bending device |
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