CN222491868U - A batch bending tool - Google Patents

Abstract

The utility model relates to the technical field of inductance processes, in particular to a batch bending tool which comprises a bending table, a plurality of limiting columns, a mushroom head pressing piece and a bending pushing piece, wherein the limiting columns, the mushroom head pressing piece and the bending pushing piece are a group of bending components, the bending table comprises a top plate, the bending components are arranged on the top of the top plate in parallel, the bottom end of the limiting columns is fixed on the top of the top plate, the bending pushing piece is positioned in front of the limiting columns, the rod part of the mushroom head pressing piece penetrates through the bending pushing piece and the top plate, the rod part is in sliding fit with the bending pushing piece and the top plate, the bending pushing piece can relatively rotate on the top plate, the head part of the mushroom head pressing piece is positioned above the bending pushing piece, and a wire outlet pressing position is formed between the mushroom head pressing piece 3 and the bending pushing piece. The novel bending tool can limit the coils of a plurality of inductors or all-in-one inductors, and simultaneously bends a plurality of outgoing lines of the novel bending tool and is suitable for outgoing lines with various thicknesses.

Description

Batch bending tool

Technical Field

The utility model relates to the technical field of inductance technology, in particular to a batch bending tool.

Background

At present, the photovoltaic inverter inductance is often integrated in an all-in-one way to realize high power density. The outgoing lines of the plurality of inductors or the multiple-in-one inductor are welded at a right angle of 90 degrees, multiple insulation protection is needed to be carried out on the welding positions of the outgoing lines of the winding and the electronic wire, the labor and material cost is high, the outgoing lines are welded in opposite directions of 180 degrees preferably, the welding spot framework is not needed to be added for protection, the leakage risk is low, and the plurality of outgoing lines are required to be bent.

The existing bending mode generally adopts a mode that a plurality of staff manually uses tools such as bench clamps or bending tools to bend a plurality of outgoing lines one by one, and the bending mode is that the outgoing lines pass through bending spaces or bending steps of the bending tools to limit outgoing lines of the inductor, and then a holding rod is rotated to bend the outgoing lines.

However, the bending space or the bending step in the bending mode is limited, so that the bending space or the bending step cannot be applied to some inductors with larger outgoing line thickness, and the bending space or the bending step only limits the outgoing line of the inductor but does not limit the induction coil, so that the induction coil is biased due to suspended gravity in the bending process, the bending direction of the outgoing line of the inductor is easily deviated, the outgoing line and the bending line cannot be kept at the same horizontal plane, and the induction coil cannot be installed in the photovoltaic inverter. And the existing bending mode can not simultaneously bend a plurality of inductors or a plurality of outgoing lines of the multiple-in-one inductor in the same direction, and the uniformity of the bending direction is poor.

Disclosure of utility model

Aiming at the defects, the utility model aims to provide a batch bending tool which can limit a plurality of inductors or an all-in-one inductor, simultaneously bend a plurality of outgoing lines of the inductor and is suitable for outgoing lines with different thicknesses.

To achieve the purpose, the utility model adopts the following technical scheme:

The batch bending tool comprises a bending table, a plurality of limiting columns, a mushroom head pressing piece and a bending pushing piece, wherein the limiting columns, the mushroom head pressing piece and the bending pushing piece are a group of bending components, the bending table comprises a top plate, and the bending components are arranged at the top of the top plate in parallel;

The bottom end of the limiting column is fixed at the top of the top plate;

The bending pushing piece is positioned in front of the limiting column, the rod part of the mushroom head pressing piece penetrates through the bending pushing piece and the top plate, the rod part is in sliding fit with the bending pushing piece and the top plate, and the bending pushing piece can relatively rotate on the top plate;

the head of the mushroom head pressing piece is positioned above the bending pushing piece;

and a wire outlet compression position is formed between the mushroom head pressing piece and the bending pushing piece.

The bending pushing piece comprises a rotating head and a pushing rod, wherein the inner side of one end of the pushing rod is fixedly connected with one side of the rotating head, and the rotating head is sleeved on the rod part;

a barrier strip is fixed at the outer side edge of the push rod, and a space between the barrier strip and the rod part is an outgoing line compression position;

The other side of the rotating head is a plane, and the plane is propped against the barrier strips of the adjacent push rods.

Furthermore, a concave table is arranged at the top corner of the top plate, and the bending pushing piece and the mushroom head pressing piece are both arranged on the concave table;

The bearing surface of the bending pushing piece is flush with the top surface of the top plate, and the limiting column is arranged on the top surface of the top plate.

Furthermore, the edge of the concave table is provided with an angle limiting part, the position of the angle limiting part in the concave table is adjustable, and the bending pushing part can be propped against the angle limiting part after rotating.

Further, the angle limiting piece is provided with a long groove, and the tail part of the screw penetrates through the long groove and is fixed on the concave table;

The relative positions of the screw and the long groove are adjustable.

The bending table further comprises a base and table columns, wherein the table columns are respectively fixed at four corners of the top of the base, the other ends of the table columns are fixed at the bottom of the top plate, and one ends of the table columns are fixed at the top of the base;

The compressing mechanism is arranged at the top of the base, and is in driving connection with the bottom end of the rod part.

The bottom of the air cylinder is fixedly connected with the top of the base, the driving end of the air cylinder is fixedly connected with the bottom of the connecting table, and the bottom ends of the rod parts of the bending assemblies are fixedly connected to the top of the connecting table;

The two row spacing limiting parts are symmetrically arranged on two sides of the air cylinder, the two row spacing limiting parts are in sliding fit with the connecting table, and the row spacing limiting parts are used for limiting the downward moving position of the connecting table.

Further, through holes are formed in two sides of the connecting table;

the row spacing limiting piece comprises a fixed rod and a sliding rod, the bottom of the fixed rod is fixed at the top of the base, the bottom of the sliding rod is fixed at the top of the fixed rod, and the sliding rod is in sliding fit with the through hole;

The slide bar is fixed with the locating part, the locating part is located the connection platform with between the dead lever.

Further, the air cylinder is provided with two speed regulating valves, the speed regulating valves are arranged on the side surfaces of the air cylinder, and the speed regulating valves are connected with the air valves through pipelines.

The technical scheme provided by the utility model has the beneficial effects that the induction coil is limited on the limiting column by taking one limiting column, the mushroom head pressing piece and the bending pushing piece as a group, outgoing lines of the induction coil extend to the bending pushing piece along the top plate of the bending table and are then pressed on the bending pushing piece by the mushroom head pressing piece, the bending pushing piece is pushed to rotate, the outgoing lines can be driven to rotate for bending, the outgoing lines and the bending lines are kept at the same horizontal plane, and the bending space between the mushroom head pressing piece and the bending pushing piece can be adjusted along with the up-and-down sliding of the mushroom head pressing piece, so that the induction coil is suitable for outgoing lines with different thicknesses. Then, a plurality of groups of limiting columns, mushroom head pressing pieces and bending pushing pieces are arranged on the top plate of the bending table in parallel, and a plurality of outgoing lines of the inductor which is equal to the groups in number and is integrated with the groups in number can be bent simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a batch bending tool according to one embodiment of the present utility model;

FIG. 2 is an assembled schematic view of the bending station shown in FIG. 1;

FIG. 3 is a front view of a batch bending tool as shown in FIG. 1;

FIG. 4 is a side view of a batch bending tool as shown in FIG. 1;

fig. 5 is an enlarged schematic view of the angle limiter shown in fig. 1.

The bending table 1, a limit post 2, a mushroom head pressing part 3, a bending pushing part 4, an angle limiting part 5, a pressing mechanism 6, an air valve 7, a top plate 11, a base 12, a table post 13, a rod part 31, a head part 32, a rotating head 41, a push rod 42, a baffle strip 43, a long groove 51, a screw 52, an air cylinder 61, a connecting table 62, a row spacing limiting part 63, a concave table 111, a speed regulating valve 611, a fixing rod 631, a slide rod 632 and a limiting part 633.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A batch bending tool according to an embodiment of the present utility model is described below with reference to fig. 1 to 5.

A batch bending tool comprises a bending table 1, a plurality of limiting columns 2, a mushroom head pressing piece 3 and a bending pushing piece 4, wherein the limiting columns 2, the mushroom head pressing piece 3 and the bending pushing piece 4 are a group of bending components, the bending table 1 comprises a top plate 11, and the bending components are arranged at the top of the top plate 11 in parallel;

the bottom end of the limiting column 2 is fixed at the top of the top plate 11;

The bending pushing piece 4 is positioned in front of the limiting column 2, a rod part 31 of the mushroom head pressing piece 3 penetrates through the bending pushing piece 4 and the top plate 11, the rod part 31 is in sliding fit with the bending pushing piece 4 and the top plate 11, and the bending pushing piece 4 can relatively rotate on the top plate 11;

The head 32 of the mushroom head pressing piece 3 is positioned above the bending pushing piece 4;

An outgoing line pressing position is formed between the mushroom head pressing piece 3 and the bending pushing piece 4.

In a preferred embodiment of the present utility model, a limiting post 2, a mushroom head pressing member 3 and a bending pushing member 4 are a set of bending components, and a plurality of bending components are arranged on the top of the top plate 11 in parallel, so that the same number of inductance combined outgoing lines are simultaneously bent. Wherein, a plurality of spacing posts 2 set up in parallel at the top of roof 11, and the one end of spacing post 2 is fixed in the top of roof 11, forms fixed basis, and the other end of spacing post 2 is used for supplying inductance coil's circle mouth cover to establish, makes inductance coil's circle mouth can embolia the other end of spacing post 2 to limit inductance coil in the top of roof 11, and a plurality of fixed posts 2 set up side by side and can be spacing simultaneously a plurality of inductance or the coil of unification inductance more, realize the spacing to a plurality of inductance or unification inductance more. And then arranging a plurality of bending pushing pieces 4 on the top of the top plate 11 in parallel, and locating in front of the limiting column 2, so that a plurality of coil outgoing lines limited in the limiting column 2 extend to the bending pushing pieces 4, and a plurality of outgoing lines can be bent simultaneously.

Specifically, the rod portion 31 of the mushroom head pressing piece 3 penetrates through the bending pushing piece 4 and the top plate 11, the head portion 32 of the mushroom head pressing piece 3 is located above the bending pushing piece 4, a wire outlet pressing position is formed between the mushroom head pressing piece 3 and the bending pushing piece 4, a variable bending space is formed between the head portion 32 and the bending pushing piece 4, the mushroom head pressing piece can be applicable to wires with different thicknesses, the head portion 32 is driven to slide downwards through the rod portion 31, the bending space can be reduced, the head portion 32 can press wires, the bending pushing piece 4 is pushed to rotate around the rod portion 31, wires extending to the bending pushing piece 4 are bent, finally the head portion 32 is driven to slide upwards through the rod portion 31 to expand the bending space, the pressing of the wires can be loosened, and then a plurality of inductors or all-in-one inductors for wire outlet bending are taken out. It should be noted that, because of the changeable characteristics of the changeable bending space, the novel bending tool is not limited to bending the inductor, and can be used for bending processing of flat or round wires, rods, bars and the like.

Further, the bending pushing piece 4 comprises a rotating head 41 and a pushing rod 42, wherein the inner side of one end of the pushing rod 42 is fixedly connected with one side of the rotating head 41, and the rotating head 41 is sleeved on the rod part 31;

A blocking strip 43 is fixed at the outer edge of the push rod 42, and a space between the blocking strip 43 and the rod part 31 is an outgoing line pressing position;

The other side of the rotating head 41 is a plane which abuts against the stop bar 43 of the adjacent push rod 42.

In this embodiment, the inner side of one end of the push rod 42 is fixedly connected with one side of the rotating head 41, the top surfaces of the push rod 42 and the rotating head 41 form a supporting platform for placing outgoing wires and compressing the outgoing wires in cooperation with the head 32, the rotating head 41 is sleeved on the rod portion 31 to form a rotating base, so that pushing the push rod 42 can drive the rotating head 41 to rotate around the rod portion 31, the outgoing wires compressed on the supporting platform by the head 32 are driven to rotate, and the outgoing wires are bent.

When the hardness of outgoing lines is relatively high, the pressure of the mushroom head pressing piece 3 on the outgoing lines is insufficient, the outgoing lines are likely to shift in the bending process and slide out of the supporting platform, so that the barrier strips 43 are fixed on the outer side edges of the push rods 42, the space between the barrier strips 43 and the rod parts 31 is an outgoing line pressing position, the push rods 42 can rotate towards the inner sides of the push rods 42 to bend the outgoing lines, and when the outgoing lines are displaced, the outgoing lines are abutted against the barrier strips 43, so that the outgoing lines are prevented from sliding out of the supporting platform, and the bending operation is completed.

The other side of the rotating head 41 is a plane, and the plane is abutted against the stop bars 43 of the adjacent push rods 42, so that when the bending push rods 4 are arranged in parallel, the push rod 42 of one bending push rod 4 is pushed to rotate, and the rest push rods 42 can be driven to rotate, so that the wires are simultaneously bent in the same direction, the uniformity of bending directions is good, and the bending efficiency is high.

Furthermore, a concave table 111 is arranged at the top corner of the top plate 11, and the bending pushing piece 4 and the mushroom head pressing piece 3 are both arranged on the concave table 111;

The bearing surface of the bending pushing piece 4 is flush with the top surface of the top plate 11, and the limit post 2 is arranged on the top surface of the top plate 11.

In this embodiment, because the bending push member 4 itself has a certain thickness, when the bending push member and the limit post 2 are disposed on the top of the top plate 11 together, the top surface of the bending push member 4 and the top surface of the top plate 11 are not in the same horizontal plane, and when the inductance coil is limited on the limit post 2, the coil outgoing line is located on the top surface of the top plate 11, and when the inductance coil extends to the top surface of the bending push member 4, i.e. the support platform, the outgoing line will have a certain fall from the top surface of the top plate 11, which may result in that after bending, the outgoing line and the bending line are not in the same horizontal plane.

Therefore, the concave table 111 is formed at the top corner of the top plate 11, the bending pushing piece 4 and the mushroom head pressing piece 3 are both arranged on the concave table 111, the bearing surface of the bending pushing piece 4 is flush with the top surface of the top plate 11, and the limit post 2 is arranged on the top surface of the top plate 11, so that the outgoing line of the inductance coil is kept at the same horizontal plane when extending from the top surface of the top plate 11 to the bearing surface of the bending pushing piece 4.

Further, the edge of the concave table 111 is provided with an angle limiting part 5, the position of the angle limiting part 5 positioned at the concave table 111 is adjustable, and the bending pushing part 4 can be abutted against the angle limiting part 5 after rotating.

In this embodiment, when the bending pushing member 4 performs the bending operation, the push rod 42 rotates from one side of the concave table 111 around the rod portion 31 toward the inner side of the push rod 42 to the other side of the concave table 111, and in this process, the rotation range can be theoretically the value range of the bending angle, so in order to ensure that the bending angle is relatively accurate, the edge of the concave table 111 is provided with the angle limiting member 5, the position of the angle limiting member 5 in the concave table 111 is adjustable, that is, the push rod 42 can be made to rotate and then abut against the end of the angle limiting member 5, at this time, the rotating angle of the push rod 42 is the bending angle, and before the push rod 42 rotates, the bending angle can be obtained by abutting the end of the angle limiting member 5 against the push rod 42, connecting with the rod portion 31, and measuring the included angle between the connecting line and the push rod 42, thereby the position of the angle limiting member 5 can be adjusted in advance to preset the bending angle.

Further, the angle limiting piece 5 is provided with a long groove 51, and the tail part of the screw 52 passes through the long groove 51 and is fixed on the concave table 111;

the relative positions of the screw 52 and the elongated slot 51 are adjustable.

In this embodiment, in order to make the selectable preset bending range be large enough when the outgoing line is bent, the movable range of the angle limiting member 5 needs to be large enough, so that the angle limiting member 5 is provided with the long groove 51, the tail of the screw 52 passes through the long groove 51 and is fixed on the concave table 111, so that the angle limiting member 5 can slide through the long groove 51 and rotate around the screw 52, the installation position of the angle limiting member 5 can be flexibly adjusted, the abutting position of the end part of the angle limiting member 5 and the push rod 42 is determined, the abutting position of the angle limiting member 5 and the push rod 42 is further preset to determine the bending angle, and after the position of the angle limiting member 5 is determined, the head 32 of the screw 52 abuts against the long groove 51, so that the angle limiting member 5 is fixed, and the position change of the angle limiting member 5 is prevented.

The bending table 1 further comprises a base 12 and table columns 13, wherein the table columns 13 are respectively fixed at four corners of the top of the base 12, the other ends of the table columns 13 are fixed at the bottom of the top plate 11, and one ends of the table columns 13 are fixed at the top of the base 12;

the hold-down mechanism 6 is disposed at the top of the base 12, and the hold-down mechanism 6 is in driving connection with the bottom end of the rod 31.

In this embodiment, the columns 13 are respectively fixed at four corners of the top of the base 12, the other ends of the columns 13 are fixed at the bottom of the top plate 11, one end of the columns 13 is fixed at the top of the base 12, a working space of the pressing mechanism 6 is formed at the bottom of the top plate 11, so that the pressing mechanism 6 is in driving connection with the bottom end of the rod 31, the pressing mechanism 6 is arranged at the top of the base 12 and in the working space, and the pressing mechanism 6 can be in driving connection with the bottom end of the rod 31 above, so that the pressing mechanism 6 drives the rod 31 to slide up and down during telescopic movement, and drives the head 32 to slide up and down, so as to press or loosen outgoing lines.

Further, the compressing mechanism 6 comprises an air cylinder 61, a connecting table 62 and a row spacing limiting piece 63, wherein the bottom of the air cylinder 61 is fixedly connected with the top of the base 12, the driving end of the air cylinder 61 is fixedly connected with the bottom of the connecting table 62, and the bottom ends of the rod parts 31 of the bending assemblies are fixedly connected with the top of the connecting table 62;

The two row spacing limiting pieces 63 are symmetrically arranged on two sides of the air cylinder 61, the two row spacing limiting pieces 63 are in sliding fit with the connecting table 62, and the row spacing limiting pieces 63 are used for limiting the downward moving position of the connecting table 62.

In this embodiment, the bottom of the cylinder 61 is fixedly connected with the top of the base 12, so as to prevent displacement in the working process of the cylinder 61, the movable end of the cylinder 61 is fixedly connected with the bottom of the connecting table 62, when the driving end of the cylinder 61 performs the up-down expansion action, the connecting table 62 follows the up-down expansion action, and then the top of the connecting table 62 is fixedly connected with the bottom ends of the rod parts 31 of the plurality of bending assemblies, so that when the up-down expansion action is performed, the plurality of mushroom head pressing pieces 3 can be simultaneously driven to slide up and down, and meanwhile, a plurality of outgoing wires are pressed and loosened.

In order to prevent the mushroom head pressing member 3 from pressing the outgoing line, the outgoing line is pressed and broken due to excessive pressure, two line spacing members 63 are symmetrically arranged on two sides of the air cylinder 61, the two line spacing members 63 are in sliding fit with the connecting table 62, the line spacing members 63 are used for limiting the downward moving position of the connecting table 62, so that the maximum downward sliding distance of the connecting table 62 can be controlled by utilizing the stroke adjusting member 63, and the connecting table 62 is limited when the maximum downward sliding distance is reached.

Further, through holes are formed on both sides of the connection table 62;

The row spacing limiting piece 63 comprises a fixing rod 631 and a sliding rod 632, wherein the bottom of the fixing rod 631 is fixed at the top of the base 12, the bottom of the sliding rod 632 is fixed at the top of the fixing rod 631, and the sliding rod 632 is in sliding fit with the through hole;

the slide bar 632 is fixed with a stopper 633, and the stopper 633 is located between the connection table 62 and the fixing lever 631.

In this embodiment, in order to control the maximum sliding distance of the connection platform 62, through holes are formed on both sides of the connection platform 62 for the spacing member 63 to slide therethrough, the bottom of the fixing rod 631 is fixed to the top of the base 12, the bottom of the sliding rod 632 is fixed to the top of the fixing rod 631, the sliding rod 632 slides through the through holes to determine the setting position of the spacing member 63, and the spacing member 633 is connected to the sliding rod 632, so that the spacing member 633 is located between the connection platform 62 and the fixing rod 631, and therefore, the control of the maximum sliding distance of the connection platform 62 can be achieved by determining the position of the spacing member 633, when the connection platform 62 slides down to abut against the spacing member 633, the connection platform 62 is limited, and the sliding is stopped to prevent the mushroom head pressing member 3 from excessively pressing the outgoing line. The sliding rod 632 may be a threaded long rod or a long rod with a slot, and the limiting member 633 may be a nut or a ring with a buckle, which are not limited to the sliding rod 632 and the limiting member 633.

Further, the cylinder 61 is provided with two speed regulating valves 611, the speed regulating valves 611 are arranged on the side surfaces of the cylinder 61, and the speed regulating valves 611 are connected with the air valves 7 through pipelines.

In this embodiment, to further control the tightness of the pressing line of the mushroom head pressing member 3, two speed adjusting valves 611 are provided on the cylinder 61, the speed adjusting valves 611 are disposed on the side surfaces of the cylinder 61, and the speed adjusting valves 611 are connected with the air valves 7 through pipelines, so that when the air valves 7 are used for pressurizing or depressurizing the air supplied to the cylinder 61 through the pipelines, the air flow speed is controlled through the speed adjusting valves 611, and the expansion and contraction actions of the movable end of the cylinder 61 are alleviated, so that the driving end of the cylinder 61 drives the connecting table 62 to abut against the limiting member 633, and the operation can be stopped in time.

Other components, etc. and operation of a batch bending tool according to embodiments of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (9)

1. The batch bending tool is characterized by comprising a bending table, a plurality of limiting columns, a mushroom head pressing piece and a bending pushing piece, wherein the limiting columns, the mushroom head pressing piece and the bending pushing piece are a group of bending components;

The bottom end of the limiting column is fixed at the top of the top plate;

The bending pushing piece is positioned in front of the limiting column, the rod part of the mushroom head pressing piece penetrates through the bending pushing piece and the top plate, the rod part is in sliding fit with the bending pushing piece and the top plate, and the bending pushing piece can relatively rotate on the top plate;

the head of the mushroom head pressing piece is positioned above the bending pushing piece;

and a wire outlet compression position is formed between the mushroom head pressing piece and the bending pushing piece.

2. The batch bending tool of claim 1, wherein the bending pushing piece comprises a rotating head and a pushing rod, wherein the inner side of one end of the pushing rod is fixedly connected with one side of the rotating head, and the rotating head is sleeved on the rod part;

a barrier strip is fixed at the outer side edge of the push rod, and a space between the barrier strip and the rod part is an outgoing line compression position;

The other side of the rotating head is a plane, and the plane is propped against the barrier strips of the adjacent push rods.

3. The batch bending tool of claim 1, wherein a concave table is formed at the top corner of the top plate, and the bending pushing piece and the mushroom head pressing piece are both arranged on the concave table;

The bearing surface of the bending pushing piece is flush with the top surface of the top plate, and the limiting column is arranged on the top surface of the top plate.

4. The batch bending tool as set forth in claim 3, wherein the edge of the concave table is provided with an angle limiting part, the position of the angle limiting part positioned on the concave table is adjustable, and the bending pushing part can be abutted against the angle limiting part after rotating.

5. The batch bending tool of claim 4, wherein the angle limiting piece is provided with a long groove, and the tail part of the screw penetrates through the long groove and is fixed on the concave table;

The relative positions of the screw and the long groove are adjustable.

6. The batch bending tool of claim 1, further comprising a pressing mechanism, wherein the bending table further comprises a base and table columns, the table columns are respectively fixed at four corners of the top of the base, the other ends of the table columns are fixed at the bottom of the top plate, and one ends of the table columns are fixed at the top of the base;

The compressing mechanism is arranged at the top of the base, and is in driving connection with the bottom end of the rod part.

7. The batch bending tool of claim 6, wherein the compressing mechanism comprises an air cylinder, a connecting table and a row spacing limiting piece, the bottom of the air cylinder is fixedly connected with the top of the base, the driving end of the air cylinder is fixedly connected with the bottom of the connecting table, and the bottom ends of the rod parts of the bending assemblies are fixedly connected with the top of the connecting table;

The two row spacing limiting parts are symmetrically arranged on two sides of the air cylinder, the two row spacing limiting parts are in sliding fit with the connecting table, and the row spacing limiting parts are used for limiting the downward moving position of the connecting table.

8. The batch bending tool of claim 7, wherein through holes are formed in two sides of the connecting table;

the row spacing limiting piece comprises a fixed rod and a sliding rod, the bottom of the fixed rod is fixed at the top of the base, the bottom of the sliding rod is fixed at the top of the fixed rod, and the sliding rod is in sliding fit with the through hole;

The slide bar is fixed with the locating part, the locating part is located the connection platform with between the dead lever.

9. The batch bending tool of claim 7, wherein the air cylinder is provided with two speed regulating valves, the speed regulating valves are arranged on the side surfaces of the air cylinder, and the speed regulating valves are connected with the air valves through pipelines.