CN213079637U - Bender with lower mould upset auxiliary fixtures - Google Patents

Abstract

The bending machine comprises a bending machine body, wherein the bending machine body comprises an upper die base and a lower die base, a bending upper die is arranged on the upper die base, a bending lower die is arranged on the lower die base, a lower die overturning auxiliary tool is arranged on the bending machine body, and the lower die overturning auxiliary tool comprises a lifting part and an overturning part; the lifting component comprises a hook, rolling columns and a connecting belt, the hook is arranged on two end faces of the upper die base, the rolling columns are arranged on two end faces of the bending lower die, and the hook and the rolling columns are connected through the connecting belt; the turnover part comprises a limiting rod, a connecting rod and a turnover handle, the limiting rod is arranged at the two ends of the connecting rod, the two limiting rods are arranged at the same side of the connecting rod and are perpendicular to the connecting rod, and the turnover handle is arranged on one side of the connecting rod away from the limiting rod. This application has the effect of making things convenient for the lower mould upset.

Description

Bender with lower mould upset auxiliary fixtures

Technical Field

The application relates to the field of bending equipment, in particular to a bending machine with a lower die overturning auxiliary tool.

Background

The bending machine is a machine capable of bending a thin plate, and generally adopts a multi-angle bending lower die when bending the plate at different angles. The multi-angle bending lower die comprises a plurality of knife grooves, and the lower die knife grooves can be replaced only by turning over the lower die when bending different angles.

The utility model discloses a chinese utility model patent with application number 201120512234.6, which discloses a bending machine die lower die with four grooves, comprising a lower die body, wherein the lower die body is cuboid, the end surface of the lower die body is square, the lower die body comprises a first side surface, a second side surface, a third side surface and a fourth side surface, wherein the first side surface and the third side surface are parallel to each other, and the second side surface and the fourth side surface are parallel to each other; at least more than 1V-shaped groove parallel to the axis of the lower die body is arranged on each side surface, and the sizes of the V-shaped grooves are different. Meanwhile, lifting and adjusting holes are formed in the centers of the two end faces of the lower die body. When the bending machine lower die is turned over, the lower die needs to be turned over by using additional equipment.

Aiming at the related technology, the lower die is overturned by using other equipment, and the inventor thinks that the defect of inconvenient overturning of the lower die exists.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the overturning of the lower die, the application provides a bending machine with a lower die overturning auxiliary tool.

The application provides a pair of bender with lower mould upset auxiliary fixtures adopts following technical scheme:

the bending machine with the lower die overturning auxiliary tool comprises a bending machine body, wherein the bending machine body comprises an upper die holder and a lower die holder, an upper bending die is arranged on the upper die holder, a lower bending die is arranged on the lower die holder, the bending machine body is provided with the lower die overturning auxiliary tool, and the lower die overturning auxiliary tool comprises a lifting part and an overturning part; the lifting component comprises a hook, rolling columns and a connecting belt, the hook is arranged on two end faces of the upper die base, the rolling columns are arranged on two end faces of the bending lower die, and the hook and the rolling columns are connected through the connecting belt; the turnover part comprises a limiting rod, a connecting rod and a turnover handle, wherein the limiting rod and the two limiting rods are arranged at two ends of the connecting rod and are arranged at the same side of the connecting rod and are perpendicular to the connecting rod, and the turnover handle is arranged on one side, away from the limiting rod, of the connecting rod.

By adopting the technical scheme, when the lower die is turned and bent, the fixing device of the lower die base is adjusted to enable the fixing device of the lower die base to be far away from the side wall of the lower bending die, the fixing of the lower die base to the lower bending die is cancelled, the connecting belt is moved to enable the connecting belt to be sleeved on the hook and the rolling column, the upper die base is adjusted to ascend and drive the hook to ascend, the connecting belt is tensioned and drives the lower bending die to ascend through the rolling column until the lower bending die is suspended; installing a turnover part, enabling the two limiting rods to clamp the lower bending die in the middle, applying force to a turnover handle, and driving the lower bending die to turn over through the limiting rods until a required bending groove rotates to one side far away from the lower die base; applying force to the overturning part to enable the overturning part to move in the direction away from the lower bending die until the overturning part is detached from the lower bending die, adjusting the upper die base to move downwards, enabling the lower bending die to move downwards along with the upper die base under the action of gravity until the lower bending die is abutted against the lower die base, and taking down the connecting belt; adjusting a fixing device of the lower die holder, fixing the lower bending die on the lower die holder, and turning over the lower bending die; the arranged lifting component and the overturning component are convenient for overturning the bending lower die through auxiliary tools; the arranged hook, the rolling column and the connecting belt drive the lower bending die to suspend in the air through the upper bending die, so that the overturning resistance of the lower bending die is reduced; the limiting rod, the connecting rod and the overturning handle are arranged, the lower die is bent through the limiting rod in a clamping mode, the lower die is bent through the overturning handle in a folding mode to apply force, the lower die is convenient to drive to be bent to overturn, force application points are provided for the lower die to be bent in an overturning mode, time is saved, the operation is simple, the efficiency of lower die overturning in a bending mode is improved, and the practicability is high.

Preferably, the turnover handle is arranged at the joint of the connecting rod and the limiting rod and is parallel to the plane where the connecting rod and the limiting rod are arranged, and the included angle between the turnover handle and the connecting rod is between 90 degrees and 180 degrees.

Through adopting above-mentioned technical scheme, set up the upset handle of slope, changed the direction of the arm of force, be convenient for to the application of force of upset handle.

Preferably, the turnover handle comprises a sleeve and an extension section inserted in the sleeve, and the sleeve is in threaded connection with the extension section.

Through adopting above-mentioned technical scheme, the sleeve and the extension section that set up can adjust the length of upset handle, and the increase arm of force reduces the effort that applys to the upset handle, reduces intensity of labour, and the installation and the dismantlement of being convenient for have improved the efficiency of the lower mould of bending of upset.

Preferably, the upset part still includes the screens piece, the screens piece includes a plurality of positioning bolt, a plurality of screw thread through-holes have been seted up on the gag lever post, the screw thread through-hole sets up along connecting rod length direction, positioning bolt pass through screw thread through-hole threaded connection in on the gag lever post.

By adopting the technical scheme, before applying force to the overturning handle, the positioning bolt is adjusted to move towards the direction close to the lower bending die until the positioning bolt tightly abuts against the side wall of the lower bending die, and then the force is applied to the overturning handle to overturn the lower bending die; the positioning bolt can fix the bending lower die with the limiting rod, so that relative movement between the bending lower die and the limiting rod is reduced, and the possibility of sliding of the limiting rod in the overturning process of the bending lower die is reduced.

Preferably, an elastic cushion layer is arranged on the end wall of the positioning bolt penetrating out of the threaded through hole.

By adopting the technical scheme, the elastic cushion layer is arranged, the possibility of damage to the surface of the lower bending die caused by the positioning bolt is reduced, the friction force between the surface of the lower bending die and the surface of the lower bending die is increased, and the connection relation between the lower bending die and the overturning part is strengthened.

Preferably, a plurality of balls are arranged on the side wall of the rolling column.

Through adopting above-mentioned technical scheme, the ball that sets up changes into the point contact by the face contact between connecting band and the rolling post, has reduced the frictional force between rolling post and the connecting band, and the upset of the mould of being convenient for, labour saving and time saving has and then improved the efficiency of the lower mould upset of bending.

Preferably, one end, far away from the bending lower die, of the rolling column is provided with a stop block.

Through adopting above-mentioned technical scheme, the sliding range of connecting band on the rolling post has been injectd to the fender position piece that sets up, has avoided the unexpected emergence that causes the lower mould of bending to drop because of the connecting band landing, has increased the security.

Preferably, the lower die overturning auxiliary tool further comprises a guide part, the guide part comprises a positioning plate, an expansion spring and a hanging ring, the positioning plate is arranged on two end faces of the lower die base, the hanging ring is connected with the positioning plate through the expansion spring, the hanging ring is hung on the rolling column, and the expansion spring enables the rolling column to have a tendency of moving towards the direction close to the lower die base.

By adopting the technical scheme, the guide part resists the shaking of the bending lower die in the ascending or descending process through the elastic force of the spring, the stability of the bending lower die in the overturning process is ensured, and the safety is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting component and the overturning component are arranged, and the lower die is overturned and bent through the auxiliary tool, so that the lower die is conveniently overturned and bent; the arranged hook, the rolling column and the connecting belt drive the lower bending die to suspend in the air through the upper bending die, so that the overturning resistance of the lower bending die is reduced; the limiting rod, the connecting rod and the overturning handle are arranged, the bending lower die is clamped and connected with the limiting rod, the overturning handle applies force to the bending lower die to drive the bending lower die to overturn conveniently, a force application point is provided for overturning the bending lower die, the time is saved, the operation is simple, the overturning efficiency of the bending lower die is improved, and the practicability is high;

2. the lower bending die and the limiting rod can be fixed by the aid of the positioning bolts, relative movement between the lower bending die and the limiting rod is reduced, and the possibility of sliding of the limiting rod in the overturning process of the lower bending die is reduced;

3. the guide part resists the shaking of the bending lower die in the ascending or descending process through the elastic force of the spring, the stability of the bending lower die in the overturning process is ensured, and the safety is improved.

Drawings

Fig. 1 is a schematic structural diagram of a bending machine with a lower die overturning auxiliary tool in an embodiment of the application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the turning member and the locking member.

Description of reference numerals: 1. a bending machine body; 11. an upper die holder; 12. bending the upper die; 13. a lower die holder; 14. bending the lower die; 2. a lower die overturning auxiliary tool; 21. a lifting member; 211. hooking; 212. a rolling post; 213. a connecting belt; 214. a ball bearing; 215. a stop block; 22. a turning part; 221. a limiting rod; 222. a connecting rod; 223. turning over the handle; 2231. a sleeve; 2232. an extension section; 224. a clamping piece; 2241. positioning the bolt; 2242. an elastic cushion layer; 23. a guide member; 231. positioning a plate; 232. a tension spring; 233. and hanging and connecting a ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses bender with lower mould upset auxiliary fixtures. Referring to fig. 1, the bending machine with the lower die overturning auxiliary tool comprises a bending machine body 1, wherein the bending machine body 1 comprises an upper die holder 11 and a lower die holder 13, the upper die holder 11 and the lower die holder 13 are fixed on the bending machine body 1 through bolts, an upper bending die 12 is installed on the upper die holder 11, the upper bending die 12 is clamped on the upper die holder 11 through bolts, a lower bending die 14 is installed on the lower die holder 13, and the lower bending die 14 is clamped on the lower die holder 13 through bolts; be provided with lower mould upset auxiliary fixtures 2 on bender body 1, lower mould upset auxiliary fixtures 2 includes lifting unit 21, upset part 22 and guide part 23.

Referring to fig. 1 and 2, the lifting member 21 includes a hook 211, a rolling post 212 and a connecting band 213, the hook 211 is welded and fixed on two end faces of the upper die holder 11, the rolling post 212 is welded and fixed on two end faces of the bending lower die 14, a plurality of balls 214 are embedded on a side wall of the rolling post 212, a stop block 215 is integrally arranged at one end of the rolling post 212 far away from the bending lower die 14, and the connecting band 213 is hung and connected on the hook 211 and the rolling post 212.

Referring to fig. 1 and 3, the turning part 22 includes a limit rod 221, a connecting rod 222, a turning handle 223, and a blocking member 224; two limiting rods 221 are arranged and welded at two ends of the connecting rod 222, the two limiting rods 221 are distributed at the same side of the connecting rod 222, and the limiting rods 221 are perpendicular to the connecting rod 222; the turning handle 223 is arranged along the plane where the connecting rod 222 and the limiting rod 221 are located, the turning handle 223 comprises a sleeve 2231 and an extension section 2232 inserted in the sleeve 2231, the sleeve 2231 is provided with an internal thread, the side wall of the extension section 2232 is provided with an external thread matched with the internal thread of the sleeve 2231, one end of the sleeve 2231 is welded and fixed at the joint of the connecting rod 222 and the limiting rod 221, the other end of the sleeve 2231 is far away from the connecting rod 222 and is in threaded connection with the extension section 2232, and the included angle between the turning handle 223 and the connecting rod 222 is 135 degrees; screens 224 includes six sets of positioning bolt 2241, has seted up three sets of screw through-holes on each gag lever post 221, and the screw through-hole sets up along connecting rod 222 length direction, and positioning bolt 2241 passes through screw through-hole threaded connection on gag lever post 221, and positioning bolt 2241 bonds on the end wall that the screw through-hole was worn out from and has resilient cushion 2242.

Referring to fig. 1, the guide member 23 includes a positioning plate 231, two extension springs 232 and two hanging rings 233, the positioning plate 231 is fixed on two end faces of the lower die base 13 by bolts, the hanging rings 233 are semi-rings, the hanging rings 233 are hung on the rolling columns 212, the extension springs 232 are provided in two numbers, one end of each extension spring 232 is welded on the end face of the corresponding hanging ring 233, the other end of each extension spring 232 is welded on the positioning plate 231, and the extension springs 232 enable the rolling columns 212 to have a tendency of moving towards a direction close to the lower die base 13.

The implementation principle of the bending machine with the lower die overturning auxiliary tool in the embodiment of the application is as follows: when the bending lower die 14 is turned over, the positioning bolt 2241 of the lower die base 13 is adjusted to move towards the direction away from the bending lower die 14 until the fixing device of the lower die base 13 is far away from the side wall of the bending lower die 14, and the fixing of the lower die base 13 to the bending lower die 14 is cancelled; moving the connection belt 213 to make the connection belt 213 sleeved on the hook 211 and the rolling column 212; force is applied to the hanging ring 233, so that the hanging ring 233 is hung on the rolling column 212, and the extension spring 232 is in a stretching state at the moment; adjusting the upper die holder 11 to move upwards to drive the hook 211 to move upwards, stretching the telescopic spring 232 by the hooking ring 233, tensioning the connecting belt 213 and driving the bending lower die 14 to move upwards through the rolling column 212 until the bending lower die 14 is suspended; installing the turning part 22, enabling the two limiting rods 221 to clamp the lower bending die 14 in the middle, and adjusting the positioning bolts 2241 to enable the positioning bolts 2241 to move towards the direction close to the lower bending die 14 until the elastic cushion 2242 tightly abuts against the side wall of the lower bending die 14; the extension section 2232 is rotated to move in the direction away from the sleeve 2231 until the turning handle 223 reaches a proper length, force is applied to the turning handle 223, the limiting rod 221 drives the bending lower die 14 to turn over until the required bending groove rotates to the side away from the lower die base 13; adjusting the positioning bolt 2241 to enable the positioning bolt 2241 to move towards the direction away from the bending lower die 14 until the elastic cushion layer 2242 is away from the side wall of the bending lower die 14; applying force to the turnover part 22 to enable the turnover part 22 to move away from the bending lower die 14 until the turnover part 22 is detached from the bending lower die 14; adjusting the upper die holder 11 to move downwards, moving the lower bending die 14 downwards along with the connecting belt 213 under the action of gravity until the lower bending die 14 is abutted to the lower die holder 13, applying force to the hanging ring 233 to enable the hanging ring 233 to be far away from the rolling column 212, and then taking down the connecting belt 213; and adjusting the positioning bolt 2241 of the lower die holder 13, so that the positioning bolt 2241 moves towards the direction close to the lower bending die 14 until the fixing device of the lower die holder 13 fixes the lower bending die 14, namely, the lower bending die 14 is turned over. Moving the plate to be processed to the lower bending die 14, adjusting the upper die holder 11 to drive the upper bending die 12 to move downwards, and bending the plate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a bender with lower mould upset auxiliary fixtures, includes bender body (1), bender body (1) includes upper die base (11) and die holder (13), be provided with mould (12) of bending on upper die base (11), be provided with on die holder (13) the lower mould (14) of bending, its characterized in that: the bending machine body (1) is provided with a lower die overturning auxiliary tool (2), and the lower die overturning auxiliary tool (2) comprises a lifting component (21) and an overturning component (22); the lifting component (21) comprises a hook (211), a rolling column (212) and a connecting belt (213), the hook (211) is arranged on two end faces of the upper die holder (11), the rolling column (212) is arranged on two end faces of the bending lower die (14), and the hook (211) and the rolling column (212) are connected through the connecting belt (213); the turnover part (22) comprises a limiting rod (221), a connecting rod (222) and a turnover handle (223), wherein the limiting rod (221) is arranged at two ends of the connecting rod (222), the limiting rod (221) is arranged at the same side of the connecting rod (222), the connecting rod (222) is perpendicular to the limiting rod (221), and the turnover handle (223) is arranged on one side, away from the limiting rod (221), of the connecting rod (222).

2. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: the overturning handle (223) is arranged at the joint of the connecting rod (222) and the limiting rod (221) and is parallel to the plane where the connecting rod (222) and the limiting rod (221) are located, and the included angle between the overturning handle (223) and the connecting rod (222) is between 90 degrees and 180 degrees.

3. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: the turnover handle (223) comprises a sleeve (2231) and an extension section (2232) inserted in the sleeve (2231), wherein the sleeve (2231) and the extension section (2232) are in threaded connection.

4. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: upset part (22) still includes screens piece (224), screens piece (224) include a plurality of positioning bolt (2241), a plurality of screw through-holes have been seted up on gag lever post (221), the screw through-hole sets up along connecting rod (222) length direction, positioning bolt (2241) through screw through-hole threaded connection in on gag lever post (221).

5. The bending machine with the lower die overturning auxiliary tool according to claim 4, is characterized in that: and an elastic cushion layer (2242) is arranged on the end wall of the positioning bolt (2241) which penetrates out of the threaded through hole.

6. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: a plurality of balls (214) are arranged on the side wall of the rolling column (212).

7. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: and a stop block (215) is arranged at one end, far away from the bending lower die (14), of the rolling column (212).

8. The bending machine with the lower die overturning auxiliary tool according to claim 1, is characterized in that: lower mould upset auxiliary fixtures (2) still include guide part (23), guide part (23) include locating plate (231), expanding spring (232) and articulate ring (233), locating plate (231) set up on the both ends face of lower die base (13), articulate ring (233) and locating plate (231) and pass through expanding spring (232) and be connected, articulate ring (233) articulate on roll post (212), expanding spring (232) make roll post (212) have the trend to being close to lower die base (13) direction motion.

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