CN217789513U - Shaping device suitable for polar claw of automobile motor shell - Google Patents

Abstract

The utility model relates to a shaping device suitable for automobile motor casing's polar claw, include: the upper die pressing mechanism is suitable for being matched with the upper die pressing mechanism and the lower die pressing mechanism is positioned below the upper die pressing mechanism; the lower die pressing mechanism comprises a lower die base, a shaping positioning block, a shaping convex die and a clamping piece, wherein the shaping positioning block is arranged on the lower die base and is suitable for supporting the inner side wall of the motor shell, the shaping convex die is arranged in the shaping positioning block, and the clamping piece is suitable for folding and unfolding; the clamping piece is arranged between the shaping male die and the inner wall of the shaping positioning block; the clamping piece and the shaping male die are both suitable for moving up and down along the longitudinal direction of the shaping positioning block; an annular gap suitable for embedding the pole claws of the motor shell is formed between the inner side wall of the clamping piece and the outer side wall of the shaping male die; when the clamping piece is gradually folded from an open state, the inner side wall of the clamping piece and the outer side wall of the shaping male die are suitable for clamping the pole claws of the motor shell. The utility model discloses can effectively guarantee the plastic precision in addition on effectively guaranteeing plastic efficiency's basis.

Description

Shaping device suitable for polar claw of automobile motor shell

Technical Field

The utility model relates to an auto-parts processing technology field particularly, relates to a shaping device suitable for automobile motor casing's utmost point claw.

Background

The stepping motor comprises a rotor and a stator, wherein the stator comprises a middle pole plate, a coil assembly and a casing. Usually, a framework for a winding coil is arranged in the magnetic pole, after the wire resistor is electrified, the magnetizer generates N and S pole magnetic fields, the excitation mode of the winding is changed, the magnetic pole surface of the soft magnet continuously changes N and S poles, and the N and S poles and a magnetic ring (a rotor) of the middle N and S poles regularly attract and repel each other, so that the rotating motion is carried out on the rotating shaft. One end of the shell forms a shell bottom, shell claws are arranged on the shell bottom, the claw claws are perpendicular to the shell bottom, and a circle of claw claws are uniformly distributed around the center. The inner diameter of the coil framework is matched with the outer diameter of the center of the pole claw, a magnetic ring (rotor) with N and S poles is arranged in the middle of the motor, namely in the middle of the pole claw of the motor shell, and a certain theoretical design gap is kept between the inner diameter of the pole claw and the outer diameter of the magnetic ring (rotor) because the magnetic ring (rotor) can rotate after the motor is electrified.

Therefore, the pole claw at the bottom of the casing is relatively important part of the motor. The stability of pole claw structure directly influences the installation of motor inner assembly, influences the performance of motor even. The polar claws of the motor shell are different in shape according to different motors, and the polar claws are more, less, longer, shorter, larger and smaller. These various housing claws also differ in the process of manufacture. The outer ring of the polar claw is sleeved with the coil framework, and the inner ring is sleeved with the magnetic ring (rotor), so that the requirement on the dimensional accuracy of the polar claw is higher. However, the pole claws are easy to deform in the production process of the pole claws or in the circulation of the subsequent process, so that some components of the motor cannot be installed in the machine shell in the assembling process, or the framework can be wiped even if the components can be installed in the machine shell, and the magnetic ring (rotor) is wiped, namely, the practical performance of the motor can be influenced even if the components can be normally installed, and the service life of the motor is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shaping device of utmost point claw suitable for car motor casing to solve the technical problem who improves utmost point claw overall structure's plastic precision.

The utility model discloses a shaping device suitable for automobile motor shell's utmost point claw is realized like this:

a truing device for a pole claw of an automotive motor housing comprising: the upper die pressing mechanism is suitable for being matched with the lower die pressing mechanism which is positioned below the upper die pressing mechanism; wherein

The lower die pressing mechanism comprises a lower die base, a shaping positioning block, a shaping male die and a clamping piece, wherein the shaping positioning block is arranged on the lower die base and is suitable for supporting the inner side wall of the motor shell, the shaping male die is arranged in the shaping positioning block in a built-in mode, and the clamping piece is suitable for furling and opening;

the clamping piece is arranged between the shaping male die and the inner wall of the shaping positioning block; the clamping piece and the shaping male die are both suitable for moving up and down along the longitudinal direction of the shaping positioning block; and

an annular gap suitable for embedding the pole claw of the motor shell is formed between the inner side wall of the clamping piece and the outer side wall of the shaping male die; when the clamping piece is gradually folded from an open state, the inner side wall of the clamping piece and the outer side wall of the shaping male die are suitable for clamping the pole claws of the motor shell.

In an alternative embodiment of the present invention, the outer wall of the clamping member has a frustum-shaped structure; and

the clamping piece comprises a plurality of split type clamping blocks distributed along the circumferential direction.

In an alternative embodiment of the present invention, the shaping positioning block has a hollow accommodating cavity penetrating through the bottom end surface and the top end surface thereof;

the shaping male die and the clamping piece are both accommodated in the hollow accommodating cavity; and

the wall of the hollow accommodating cavity is provided with a conical table surface which is formed by extending downwards from the top end surface and is suitable for being matched with the outer side wall of the clamping piece.

In an optional embodiment of the present invention, the shaping male die is further connected to a lower post rod penetrating through a bottom end surface of the hollow accommodating cavity; and

and one end of the lower ejector rod, which deviates from the shaping male die, is connected with an elastic base.

In an alternative embodiment of the present invention, the shaping male die includes a cylindrical body and an annular groove formed on a side wall of the cylindrical body.

In an optional embodiment of the present invention, each of the split clamping blocks includes an arc-shaped body, an inner circular portion formed on the inner concave surface of the arc-shaped body and concentrically distributed with the outer circular surface of the cylindrical body, and a protrusion adapted to be inserted into the annular groove; and

an L-shaped transition is formed between the inner circular part and the bulge.

The utility model discloses in the optional embodiment, lower moulding-pressing mechanism still establishes the elasticity structure of unloading on the shaping locating piece lateral wall including the cover.

In an optional embodiment of the present invention, the lower mold base includes a lower mold base, a lower pad plate disposed at an end of the lower mold base facing the shaping positioning block, and a fixing plate connected to an end of the lower pad plate away from the lower mold base; wherein

And the shaping positioning block penetrates through the fixing plate and is connected with the lower base plate.

In an optional embodiment of the present invention, the elastic discharging structure includes a discharging plate sleeved on the outer side wall of the shaping positioning block and a spring connected and fixed to an end of the discharging plate away from the motor casing; and

and one end of the spring, which is far away from the stripper plate, sequentially penetrates through the fixed plate and the lower backing plate and then is fixedly connected with the lower die base.

In an optional embodiment of the present invention, the upper pressing mechanism includes an upper pressing block and a driving structure for connecting the upper pressing block to drive the upper pressing block to move up and down.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: the utility model discloses a shaping device suitable for automobile motor casing's polar claw goes up moulding press and constructs when the compound die with lower moulding press, realizes pressing from both sides tight to motor casing's polar claw through the process that the clamping piece was drawn in gradually by the state of opening to play to the polar claw plastic effect, the swift high efficiency of whole plastic operation. And the polar claw enters into the annular gap that forms between clamping piece and the plastic lug when the clamping piece is the state of opening, at this in-process, the polar claw inserts above-mentioned annular gap's in-process, the size of the annular gap that corresponds when the clamping piece is the state of opening is greater than the thickness of polar claw, just also make the polar claw can insert above-mentioned annular gap fast in, the degree of difficulty of counterpointing has been reduced, thereby can avoid having the problem that the defective goods appears in the plastic that leads to because of the inaccurate and condition that brings polar claw plastic operation of polar claw counterpoint, also can pass through the utility model discloses a plastic device still effectively guarantees the plastic precision on the basis of effectively guaranteeing plastic efficiency.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 shows a schematic structural diagram of an upper molding mechanism and a lower molding mechanism of a shaping device for a claw of an automobile motor casing, which are provided by an embodiment of the present invention, in a state of opening a mold;

fig. 2 shows a schematic structural diagram of an upper pressing mechanism and a lower pressing mechanism of a shaping device for a pole claw of an automobile motor casing, which are provided by the embodiment of the invention, in a mold closing state;

fig. 3 is a schematic structural diagram of a motor casing to which a shaping device for a claw of an automobile motor casing according to an embodiment of the present invention is applied;

fig. 4 shows a schematic structural diagram of a shaping male die of a shaping device for a pole claw of an automobile motor shell, which is provided by the embodiment of the invention;

fig. 5 shows a schematic structural diagram of a clamping member of a shaping device for a claw of an automobile motor casing, according to an embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a motor case of a shaping device for a claw of an automobile motor case, which is provided by the embodiment of the present invention, when the motor case is not pressed down on a shaping male die;

fig. 7 shows a schematic structural diagram of a motor case of a shaping device for a pole claw of an automobile motor case, which is provided by the embodiment of the invention, just before the motor case is pressed onto a shaping male die;

fig. 8 shows a schematic structural diagram of the shaping device for a claw of an automobile motor casing according to an embodiment of the present invention when the motor casing is completely pressed down onto the shaping male die.

In the figure: the device comprises a motor shell 100, a pole claw 101, an upper pressing block 1, a shaping positioning block 2, a conical table surface 21, an annular gap K, a cylindrical body 31, an annular groove 32, a split type clamping block 4, an inner circle part 41, a protrusion 42, a lower ejector rod 5, a supporting base plate 61, an elastic body 62, a bottom plate 63, a lower die base 71, a fixing plate 72, a lower base plate 73, a discharging plate 81 and a spring 82.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1 to 8, the present embodiment provides a shaping device for a pole claw of a motor housing of an automobile, including: the upper die pressing mechanism is suitable for being matched with the lower die pressing mechanism positioned below the upper die pressing mechanism.

For example, in an alternative case, the upper pressing mechanism includes an upper pressing block 1 and an upper pressing block 1

So as to drive the upper pressing block 1 to do lifting movement. Namely, the process of the mold closing operation of the upper molding mechanism and the lower molding mechanism is realized by the downward pressing movement of the upper molding mechanism relative to the lower molding mechanism, and the lower molding mechanism is kept still.

The lower die pressing mechanism comprises a lower die base, a shaping positioning block 2 which is arranged on the lower die base and is suitable for supporting the inner side wall of the motor shell 100, a shaping male die which is arranged in the shaping positioning block 2 in a built-in mode, and a clamping piece which is suitable for folding and unfolding; the clamping piece is arranged between the shaping convex die and the inner wall of the shaping positioning block 2. An annular gap K suitable for embedding the pole claw 101 of the motor shell 100 is formed between the inner side wall of the clamping piece and the outer side wall of the shaping male die; the inner side wall of the clamping piece and the outer side wall of the shaping male are suitable for clamping the pole claw 101 of the motor casing 100 when the clamping piece is gradually folded from the opened state.

In more detail, the clamping piece and the shaping male die are both suitable for moving up and down along the longitudinal direction of the shaping positioning block 2, when the upper die pressing mechanism moves down to realize the die closing process with the lower die pressing mechanism, the clamping piece and the shaping male die also synchronously move down along the longitudinal direction of the shaping positioning block 2, and when the upper die pressing mechanism moves upwards, the clamping piece and the shaping male die can move upwards along the longitudinal direction of the shaping positioning block 2 to restore to the initial state. That is to say, when the upper molding mechanism and the lower molding mechanism are in a mold opening state, the clamping piece and the shaping male die protrude 42 towards the end of the upper molding mechanism at the end of the shaping positioning block 2 towards the upper molding mechanism, along with the downward pressing movement of the upper molding mechanism, the upper pressing block 1 gradually presses the motor case 100 down onto the shaping male die, the pole claw 101 on the motor case 100 is just inserted into the annular gap K formed by the clamping piece and the shaping male die, and the part of the clamping piece and the shaping male die protruding out of the shaping positioning block 2 is gradually pushed into the shaping positioning block 2 through the downward movement of the motor case 100, in the process, the clamping piece is gradually folded from the opening movement, so that the clamping piece is matched with the shaping male die to clamp the pole claw 101, and the shaping effect on the pole claw 101 is achieved.

Next, as an alternative to the illustration in the attached drawings, there is first a shaping punch comprising a cylindrical body 31 and an annular groove 32 formed in the side wall of the cylindrical body 31. It should be noted that, the specific distribution position of the annular groove 32 on the cylindrical body 31 here may be a middle part, and may also be a middle upper region of the middle part near one end of the cylindrical body 31 facing the upper pressing mechanism, as long as it is ensured that the annular groove 32 is not disposed at the end of the cylindrical body 31 facing the upper pressing mechanism, that is, for the whole cylindrical body 31, for the circumferential side wall thereof, from the axial view point of the end facing the upper pressing mechanism to the axial view point of being far away from the upper pressing mechanism, the side wall of the cylindrical body 31 is sequentially a columnar part, the annular groove 32 and the columnar part. The drawing of this embodiment merely exemplifies a case where the annular groove 32 is provided in the middle-upper region of the cylindrical body 31.

The outer wall of the clamping piece is of a frustum-shaped structure; and the clamping piece comprises a plurality of split clamping blocks 4 distributed along the circumferential direction. Here three or four split clamping blocks 4. It should be noted that, the plurality of split clamping blocks 4 are separate bodies, and form a clamping member capable of clamping the pole claw 101 by enclosing in a split manner.

On the basis of the above structure, it should be further noted that any of the split-type clamping blocks 4 includes an arc-shaped body, an inner circular portion 41 formed on the inner concave surface of the arc-shaped body and distributed concentrically with the outer circular surface of the cylindrical body 31, and a protrusion 42 adapted to be inserted into the annular groove 32; and an L-shaped transition is formed between the inner circular portion 41 and the protrusion 42. Under the structure, the clamping piece can synchronously move up and down along with the shaping male die.

For the ascending resetting process of the shaping male die and the clamping piece, the ascending resetting process is realized through the following structure: namely, the shaping male die is also connected with a lower ejector rod 5 which penetrates through the bottom end face of the hollow accommodating cavity; and one end of the lower ejector rod 5 departing from the shaping male die is connected with an elastic base. Under such structure, when the shaping terrace die is the downstream motion and draws in shaping locating piece 2, elastic base is extruded and is out of shape for when going up the pushing down effect disappearance of moulding mechanism to lower moulding mechanism, elastic base's the effect of restoring to the throne that the shaping terrace die and clamping piece can do the upward motion and resume the state before the compound die under the reset effect. The elastic base comprises a support base plate 61 connected with the lower mandril 5, an elastic body 62 connected with the support base plate 61, and a bottom plate 63 connected with one end of the elastic body 62 away from the support base plate 61.

Also to be noted is a truing and positioning block 2 having a hollow accommodating cavity penetrating through the bottom end face and the top end face thereof; the shaping male die and the clamping piece are both contained in the hollow containing cavity; and a conical table surface 21 which is formed on the wall of the hollow accommodating cavity and extends downwards from the top end surface of the hollow accommodating cavity and is suitable for being matched with the outer side wall of the clamping piece. The taper table surface 21 is matched with the outer side wall of the clamping piece, so that when the clamping piece moves downwards along the longitudinal direction of the shaping boss, the split clamping blocks 4 are gradually folded under the action of the taper table surface 21.

Finally, by way of example with reference to the accompanying drawings, the lower die base adopted in this embodiment includes a lower die base 71, a lower pad plate 73 disposed at an end of the lower die base 71 facing the shaping and positioning block 2, and a fixing plate 72 connected to an end of the lower pad plate 73 away from the lower die base 71; wherein the shaping positioning block 2 penetrates through the fixing plate 72 and then is connected with the lower backing plate 73.

On the basis of the above structure, the lower pressing mechanism adopted in this embodiment further includes an elastic unloading structure sleeved on the outer side wall of the shaping positioning block 2. The elastic unloading structure is mainly designed to ensure that the motor shell 100 can be automatically separated from the shaping positioning block 2 when the upper pressing mechanism and the lower pressing mechanism are in a die opening state.

For example, in an optional manner, the elastic discharging structure adopted in this embodiment includes a discharging plate 81 sleeved on the outer side wall of the shaping positioning block 2, and a spring 82 connected and fixed to one end of the discharging plate 81 away from the motor casing 100; and one end of the spring 82, which is far away from the stripper plate 81, penetrates through the fixing plate 72 and the lower backing plate 73 in sequence and then is fixedly connected with the lower die base 71. With such a structure, in the process of closing the upper pressing mechanism and the lower pressing mechanism, the motor casing 100 generates a jacking action on the discharging plate 81 under the action of the upper pressing block 1, so that the spring 82 is gradually compressed, and the discharging plate 81 moves towards the fixing plate 72, so that the discharging plate 81 does not influence the motor casing 100 to be sleeved on the shaping positioning block 2; in the process of opening the upper pressing mechanism and the lower pressing mechanism, the stripper plate 81 moves upwards under the elastic force of the spring 82, so that the stripper plate 81 can lift the motor casing 100 away from the shaping positioning block 2 in the process of moving upwards.

In summary, the specific use principle of the shaping device suitable for the pole claw of the motor casing of the automobile of the embodiment is as follows:

firstly, the motor casing 100 is sleeved on the shaping positioning block 2, and the bottom end of the motor casing 100 is supported by the discharging plate 81. When the upper press block 1 is pressed downwards, the upper press block firstly contacts the top end face of the motor shell 100, the upper press block 1 is pressed downwards continuously until the inner surface of the shell contacts the shaping male die, then the upper press block descends continuously along with the motor shell 100, the inner surface of the shell contacts the shaping male die and the clamping piece bulge 42 on the top end face of the shaping positioning block 2, the clamping piece contacts the conical table face 21 of the hollow accommodating cavity of the shaping positioning block 2 due to the fact that the outer side wall face of the clamping piece is in the shape of a frustum, the split type clamping blocks 4 are stressed towards the center of a circle and then move towards the center of the circle, the inner surfaces of the split type clamping blocks 4 contact the outer surface of the polar claw 101 to move together, the split type clamping blocks 4 are split and tighten towards the center after being stressed, and until the inner surface of the polar claw 101 of the shell contacts the outer wall face of the shaping male die, and therefore the shaping male die 101 of the motor shell 100 can be shaped and machined through clamping of the clamping piece and the shaping.

After the shaping processing is completed, the upper pressing block 1 is lifted, the motor shell 100 is lifted under the action of the discharging plate 81, the shaping male die is also lifted under the action of the lower ejector rod 5 to drive the plurality of split type clamping blocks 4 to synchronously move upwards, and the split type clamping blocks 4 are changed into an opening state from a folding state under the action of the shaping male die, so that the pole claw 101 of the motor shell 100 can be taken out.

The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it should be understood that the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless expressly stated or limited otherwise, a first feature may comprise a first and a second feature in direct contact, or the first and second features may be in contact by means of another feature not in direct contact but in between. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (10)

1. A shaping device suitable for a pole claw of an automobile motor shell is characterized by comprising: the upper die pressing mechanism is suitable for being matched with the upper die pressing mechanism and the lower die pressing mechanism is positioned below the upper die pressing mechanism; wherein

The lower die pressing mechanism comprises a lower die base, a shaping positioning block, a shaping male die and a clamping piece, wherein the shaping positioning block is arranged on the lower die base and is suitable for supporting the inner side wall of the motor shell, the shaping male die is arranged in the shaping positioning block in a built-in mode, and the clamping piece is suitable for folding and unfolding;

the clamping piece is arranged between the shaping male die and the inner wall of the shaping positioning block; the clamping piece and the shaping male die are both suitable for moving up and down along the longitudinal direction of the shaping positioning block; and

an annular gap suitable for embedding the pole claws of the motor shell is formed between the inner side wall of the clamping piece and the outer side wall of the shaping male die; when the clamping piece is gradually folded from an open state, the inner side wall of the clamping piece and the outer side wall of the shaping male die are suitable for clamping the pole claws of the motor shell.

2. The shaping device for a claw suitable for a motor case of an automobile according to claim 1, wherein an outer wall of the clamping member has a frustum-shaped structure; and

the clamping piece comprises a plurality of split clamping blocks distributed along the circumferential direction.

3. The shaping device of claim 2, wherein the shaping positioning block has a hollow accommodating cavity penetrating through a bottom end face and a top end face of the shaping positioning block;

the shaping male die and the clamping piece are both accommodated in the hollow accommodating cavity; and

the wall of the hollow accommodating cavity is provided with a conical table surface which is formed by extending downwards from the top end surface and is suitable for being matched with the outer side wall of the clamping piece.

4. The shaping device of the claw suitable for the motor shell of the automobile as claimed in claim 3, wherein the shaping male die is further connected with a lower ejector rod penetrating through the bottom end face of the hollow accommodating cavity; and

and one end of the lower ejector rod, which is far away from the shaping male die, is connected with an elastic base.

5. The device for reshaping a pole jaw of an automobile motor case as claimed in any one of claims 2 to 4, wherein the reshaping punch comprises a cylindrical body and an annular groove formed on a side wall of the cylindrical body.

6. The shaping device of a pole claw suitable for an automobile motor shell as claimed in claim 5, wherein any one of the split clamping blocks comprises an arc-shaped body, an inner circular part formed on the inner concave surface of the arc-shaped body and distributed concentrically with the outer circular surface of the cylindrical body, and a protrusion adapted to be inserted into the annular groove; and

an L-shaped transition is formed between the inner circular part and the bulge.

7. The device for shaping the pole claw of the motor casing of the automobile according to claim 1, wherein the lower molding mechanism further comprises an elastic unloading structure sleeved on an outer side wall of the shaping positioning block.

8. The shaping device of the claw suitable for the motor shell of the automobile as claimed in claim 7, wherein the lower die base comprises a lower die base, a lower backing plate arranged at one end of the lower die base facing the shaping positioning block, and a fixing plate connected with one end of the lower backing plate away from the lower die base; wherein

And the shaping positioning block penetrates through the fixing plate and is connected with the lower base plate.

9. The polar claw reshaping device suitable for the motor shell of the automobile as claimed in claim 8, wherein the elastic discharging structure comprises a discharging plate sleeved on the outer side wall of the reshaping positioning block and a spring fixedly connected with one end of the discharging plate away from the motor shell; and

and one end of the spring, which is far away from the stripper plate, sequentially penetrates through the fixed plate and the lower backing plate and then is fixedly connected with the lower die base.

10. The apparatus for shaping a claw suitable for a motor casing of an automobile according to claim 1, wherein the upper pressing mechanism comprises an upper pressing block and a driving structure for connecting the upper pressing block to drive the upper pressing block to move up and down.

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