JP2012121034A - Partial heating and working device, and progressive die working system provided with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a partial heating and working device and a progressive die working system which are excellent in productivity by shortening working time by partial heating/thickening work.SOLUTION: The partial heating and working device includes a base 10a and an upper holder 17 arranged oppositely to the base 10a at the upper part of the base 10a. The upper holder, in the lower part of the same, connects vertical pressing cams for driving punch members 13, 14 horizontally by converting the movement in the vertical direction of the upper holder into the movement of the horizontal direction, to an upper surface supporting part including a heating unit. By lowering the upper holder, the connected vertical pressing cams and upper surface supporting part are lowered and a workpiece is clamped and held by the upper surface supporting part and a lower surface supporting part provided on the base. The heating-scheduled part of the clamped and held workpiece is heated by a heating unit provided on the upper surface supporting part and/or the lower surface supporting part, and also the punch members which are installed at the tip of the horizontal pressing cams the movement of which is converted by the cam slide surface of the vertical pressing cams and which is driven horizontally are moved in the direction toward the workpiece, and by pressing the workpiece inward from the right and left outsides, the heating-scheduled part of the workpiece is worked.

Description

  The present invention provides a partial heating processing apparatus for placing a workpiece to be processed on a base, partially heating the workpiece with a partial heating device provided in the processing apparatus, and partially processing the heated portion, and the portion The present invention relates to a progressive type processing system provided with a heating processing apparatus.

Conventionally, complicated machining in which bending, drawing, and the like are mixed for a workpiece to be machined has been proposed.
For example, it is desired to reduce the weight of rocker arms in automobile engines. However, forging and casting, it is difficult to achieve optimal design such as a thin curved shape, and the post-processing after molding is complicated and manufactured. There was a problem of high cost.
Therefore, it is generally performed to form from a material using a press molding method. Materials such as mild steel and aluminum alloy are used as workpiece materials, and the parts where thick parts are formed by bending or pressing are further complicated by processing methods such as upsetting and coining. It was processed into a simple shape.
Patent Document 1 discloses a first step of obtaining an intermediate product including a pair of both side walls and a valve stem abutting wall connecting between one end portions in the longitudinal direction of the both side walls, and a valve stem abutting of the intermediate product. The wall is compressed in the width direction by pressing to increase the thickness of the valve stem abutment wall (thickening), and a groove is formed on the lower surface side of the increased valve stem abutment wall. A rocker arm manufacturing method is described in which the groove portion is configured as a valve stem guide groove.

JP 2007-14978 A

However, in the conventional workpiece processing method, since the material is easily cracked during the cold processing, the workpiece may be unreliable, and defects such as defective product dimensions and process stoppage may occur. There is a problem that it causes a decrease in productivity.
The present invention has been made in order to solve the above-described conventional problems. By performing a thickening process using a processing system, a partial heating processing apparatus that shortens the processing time of a workpiece and is excellent in cost and productivity. And it aims at providing a progressive type processing system.

(1) The partial heat processing apparatus of this invention is equipped with the base and the upper holder arrange | positioned facing the upper direction of the said base, The said upper holder is the up-down direction of the said upper holder in the downward direction The vertical pressing means for horizontally driving the punch member by converting the movement of the horizontal direction and the upper surface support portion provided with the heating means are connected, and the upper holder is lowered to lower the connected vertical length means. The pressing means and the upper surface support portion are lowered, the workpiece is clamped and held by the upper surface support portion and the lower surface support portion provided on the base, and the heating target portion of the workpiece held by clamping is held on the upper surface A punch member provided at the tip of a lateral pressing means that is heated by a heating means provided on a support part and / or a lower surface support part and whose movement is converted by a cam slide surface of the vertical pressing means and is horizontally driven is the workpiece direction. In It is moving, by pressing inward from the right and left outer side of the workpiece, characterized in that so as to process the scheduled heating portion of the workpiece.

(2) Moreover, the partial heat processing apparatus of this invention is a partial heat processing apparatus as described in said (1), The said heating means is a contact-type electrode, The upper electrode provided in the said upper surface support part, and the said lower surface The lower electrode provided on the support portion is brought into contact with the planned heating portion of the work, and then the heated heating portion of the work is heated by energizing between the upper electrode and the lower electrode. To do.

(3) Moreover, the partial heat processing apparatus of this invention is a partial heat processing apparatus as described in said (2), The said punch member is a tapered wedge shape, and it supplies with electricity between the said upper electrode and the said lower electrode. After heating the part to be heated of the workpiece, the wedge shape of the punch member is inserted between the upper and lower surface support portions from the left and right outer sides of the workpiece in the holding state, and the upper and lower surface support portions are separated from each other between the upper and lower electrodes. The punch member is further moved in the direction of the workpiece, and the heated portion of the workpiece is pressed inward from the left and right sides to process the heated portion. .
(4) Moreover, the partial heat processing apparatus of this invention is the partial heat processing apparatus in any one of said (1)-(3), The process of the heating scheduled part of the said workpiece | work increases the thickness of a workpiece partially. It is a meat processing.
(5) Moreover, the partial heat processing apparatus of this invention WHEREIN: In the partial heat processing apparatus in any one of said (1)-(4), the said upper surface support part and the said lower surface support part are the upper part of the said lower surface support part. A position sensor for detecting the placement state of the workpiece held under pressure is provided.
(6) The partial heat processing apparatus of the present invention is characterized in that the partial heat processing apparatus according to any one of the above (1) to (5) is incorporated in a progressive type processing system.

According to the present invention, the workpiece is clamped and held from the left and right outer sides of the workpiece by the punch member, so that the partial heating process that shortens the machining time of the workpiece and is excellent in cost and productivity. An apparatus and a progressive machining system can be provided.
That is, with the above-described configuration, the upper and lower surfaces of the work are clamped and held by the upper and lower electrodes, the work is partially heated, and the punch members provided on the left and right outer sides of the work are pressed against the work partial heating portion. By moving it, a thickened portion having a partially increased thickness can be formed on the workpiece.

It is a front view which shows schematic structure of the partial heat processing apparatus of the Example of this invention. It is a partial explanatory view of a processing process of a work in a partial heat processing apparatus of an example, (a) is a schematic explanatory view before punch insertion, and (b) is a schematic explanatory view after punch insertion. It is the schematic diagram which demonstrated the partial heat processing process of the workpiece | work in the partial heat processing apparatus of an Example in steps, (a) is sectional drawing and top view which show the workpiece | work W before partial heat processing, (b) is FIG. 5 is a cross-sectional view and a plan view showing a state in which the lower electrode and the upper electrode of the partial heating processing apparatus are in contact with the scheduled heating portion, and (c) is a cross-sectional view and a plan view after processing. It is a schematic block diagram of the electricity heating structure applied to the partial heat processing apparatus of an Example. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic explanatory drawing of the progressive type processing system which incorporated the partial heating processing apparatus of the Example in the series of processing processes, (a) is a schematic sectional drawing which shows the manufacturing process example of a rocker arm, (b) FIG. 3 is a plan view showing a state of change in shape of a material. It is explanatory drawing which shows the manufacturing process of a rocker arm using the progressive die processing system of an Example, (a) shows the whole process, (b) is explanatory drawing expanded centering on the process in a progressive die processing system. It is. It is a schematic perspective view which shows the rocker arm manufactured in the progressive type processing system of a present Example.

The partial heat processing apparatus according to the present embodiment includes a base and an upper holder disposed so as to be opposed to the upper side of the base, and the upper holder is below the upper holder in the vertical direction. By connecting the vertical pressing means for horizontally driving the punch member by converting the movement into the horizontal movement and the upper surface support portion provided with the heating means, the upper holder is lowered to connect the vertical pressing means The workpiece and the upper surface support portion are lowered, and the workpiece is clamped and held between the upper surface support portion and the lower surface support portion provided on the base, and the heated heating portion (hereinafter referred to as “part” A horizontal pressing means that heats the upper surface support portion and / or the lower surface support portion by a heating means provided on the upper surface support portion and / or the lower surface support portion, and that is moved horizontally by a cam slide surface of the vertical pressure means. Beyond Punch member provided on said moving the work direction, is pressed inwardly from left and right outer sides of the workpiece, and so as to process the scheduled heating portion of the workpiece.
With the above configuration, the upper and lower electrodes of the workpiece are held with pressure by the upper and lower electrodes, the workpiece is partially heated, and the punch members provided on the left and right outer sides of the workpiece are moved so as to press the partial heating portion of the workpiece. As a result, a thickened portion having a partially increased thickness can be formed on the workpiece.

The base is disposed to face the upper holder, and a guide and a lower surface support portion (and a lower electrode) described later are placed thereon. The material of the base is not particularly limited, but metals such as tool steel and ceramics can be applied.
The upper holder has a vertical pressing means (vertical cam) and a horizontal pressing means (horizontal cam) below the upper holder, and the horizontal pressing means converts the vertical movement of the upper holder into horizontal movement via the vertical pressing means. Then, the punch member is driven horizontally.
More specifically, when the upper holder descends, the vertical cam descends following the upper holder. Further, a stripper is connected to the upper holder below, and an upper surface support portion having an upper electrode is provided below the upper holder, and the connected stripper and upper surface support portion are lowered by lowering the upper holder. Can be made.

On the other hand, a lower surface support portion having a lower electrode is provided on the base, and the lower surface support portion is a member for holding the work by contacting the work lower surface. A lower electrode is provided on the lower surface support portion.
After the heating target portion of the workpiece is held in contact with the upper surface support portion and the lower surface support portion, energization is performed between the upper electrode provided on the upper surface support portion and the lower electrode provided on the lower surface support portion. Is started and the heating part of the workpiece is heated.

The end surfaces of the vertical cam and the horizontal cam are inclined surfaces (cam slide surfaces), and the direction of force is changed from vertical to horizontal by the cam slide surfaces of the vertical cam and horizontal cam as the vertical cam descends. It is like that.
A punch member is provided on the end surface of the side cam opposite to the cam slide surface, and the punch member presses the workpiece to be heated from the left and right (Y direction in FIG. 1) from the outside to the inside. It has become.
Moreover, the front-end | tip (part contact | abutted with a workpiece | work) of a punch member is a tapered wedge shape (taper shape).

The upper surface support portion is disposed above the lower surface support portion so as to be movable up and down, and holds the workpiece between the lower surface support portion.
Sensors for detecting the pressing force and the vertical position can be arranged on the upper surface support portion as necessary, and each operation of the partial heating apparatus is controlled based on these sensor signals. It is also possible.

The partial heat processing apparatus of this embodiment can be provided with a seating sensor (position sensor) that is provided in pairs on the left and right side ends or the upper part of the lower surface support part and detects the contact state of the left and right side ends of the workpiece.
As a result, the work can be securely clamped and held between the lower surface support portion and the upper surface support portion to prevent malfunctions in the partial heating process, and based on these sensor signals, It is also possible to efficiently perform the heating and punching member control operations.

  As a seating sensor (position sensor), for example, a limit switch type that operates by mechanical contact, or an eddy current displacement sensor that can be operated in a non-contact state by utilizing a change in a high-frequency magnetic field generated by a coil Etc. can be applied. The eddy current displacement sensor generates a high-frequency magnetic field by a coil inside the sensor head, detects a change in impedance of the sensor coil due to the passage of magnetic flux and a vertical eddy current on the surface of the measurement object, and measures the measurement object. For example, the product name: Keyence EX-V series manufactured by Keyence Corporation can be applied.

A series of movements of the specific members described above are as follows.
First, the upper holder moves downward, and the slide surfaces of the vertical cam and the horizontal cam first come into contact with each other. Subsequently, the stripper for connecting the upper electrode is lowered using a lowering means (for example, an air cylinder disposed between the upper surface support portion), and the work is held between the upper electrode and the lower electrode. Then, the part to be heated is heated by energizing between the upper electrode and the lower electrode.
After heating the part to be heated of the workpiece for a predetermined time, the vertical cam is moved downward by further lowering the upper holder, and the horizontal cam is moved in the horizontal direction via the cam slide surface.
Thereby, the punch member connected to the tip of the lateral cam is moved in the horizontal direction, and the wedge shape of the punch member is inserted between the upper surface support portion and the lower surface support portion from the left and right outside of the workpiece in the holding state. Thus, the upper surface support portion and the lower surface support portion are separated from each other along the wedge-shaped outer shape, and the energization between the upper electrode and the lower electrode is interrupted.

  Further, by moving in the horizontal direction of the punch member, the punch member presses the workpiece inwardly from the left and right sides of the workpiece to process the planned heating portion of the workpiece (the portion heated by the heating means). In addition, the process which a punch member performs is the thickness increase process which partially increases the thickness of the part heated by the heating means of the workpiece | work.

(Example)
Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, a rocker arm is described as an example of the work W to which the present invention is applicable.
FIG. 1 is a front view showing a schematic configuration of a partial heat processing apparatus according to an embodiment of the present invention.
FIG. 2 is a partial explanatory view of a workpiece processing step in the partial heat processing apparatus of the embodiment, (a) is a schematic explanatory view before inserting a punch, and (b) is a schematic explanatory view after inserting the punch. .
FIG. 3 is a schematic diagram illustrating stepwise the partial heat processing step of the work in the partial heat processing apparatus of the example, (a) is a cross-sectional view and a plan view showing the work W before the partial heat processing, (B) is sectional drawing and the top view which show the state which made the lower electrode and upper electrode of the partial heating processing apparatus contact | abut a heating scheduled part, (c) is sectional drawing and top view after a process.

As shown in FIGS. 1 to 3, the partial heating apparatus 10 partially heats and processes the scheduled heating portion S of the workpiece W while holding the workpiece W between the lower surface support portion 11 and the upper surface support portion 12. It is a device for.
Moreover, the partial heat processing apparatus 10 is provided with the base 10a and the upper holder 17 arrange | positioned facing the upper direction of the base 10a.
The upper holder 17 includes a vertical pressing means (vertical cam) 20a for converting the vertical movement of the upper holder 17 into a horizontal movement to drive the punch members 13 and 14 horizontally, and a heating means. The upper surface support part (upper electrode) 12 is connected.
When the upper holder 17 is lowered, the connected vertical pressing means (vertical cam) 20a and the upper surface support portion 12 are lowered, and the upper surface support portion 12 and the lower surface support portion (lower electrode) provided on the base 10a. 11), the workpiece W is held under pressure.
Next, the heating target portion S of the workpiece W held under pressure is heated by the heating means provided on the upper surface support portion 12 and / or the lower surface support portion 11, and the cam slide surface of the vertical pressing means (vertical cam) 20a. The punch members 13 and 14 provided at the tip of the lateral pressing means (lateral cam) 20b whose motion is converted and horizontally driven by K are moved in the direction of the workpiece W and pressed from the left and right outside of the workpiece W inward. The heating target portion S of the workpiece W is processed.

The lower surface support portion 11 is fixed to the base 10a through fixing means such as bolts, and a lower electrode 11a that is a means for heating the workpiece W is provided in the lower surface support portion 11. The lower electrode 11a is in contact with the lower side of the heating planned portion S of the workpiece W to perform partial heating.
The upper surface support portion 12 is connected to the stripper 22 via the electrode pressurization control device 16, and the upper electrode 12 a that contacts the upper side of the heating target portion S of the workpiece W and partially heats the upper surface support portion 12. Is provided.

As shown in FIG. 1, the electrode pressurization control device 16 is fixed to the upper holder 17 and is electrically connected to a control means (not shown). The electrode 12a is lowered and brought into contact with the upper side of the work W to be pressed.
Further, in order to ensure a normal placement state of the workpiece W held between the lower surface support portion 11 and the upper surface support portion 12 before processing, an eddy current displacement sensor 12b as a seating sensor is provided on the upper surface support. One or more are provided at the lower end of the part 12 so that it can be detected whether or not the upper surface support part 12 is normally fitted to the upper part of the workpiece W.

As shown in the drawing, the left and right punch members 13 and 14 are respectively arranged to face the left and right side surfaces H of the workpiece W placed on the lower surface support portion 11 of the base 10a, and each tip pressing portion is pressed. The parts 13b and 14b are inward from the left and right outer sides of the workpiece W toward the left and right side surfaces H through the longitudinal pressing means (vertical cam) 20a, the cam slide surface K, and the lateral pressing means (lateral cam) 20b in this order. It is designed to be pressed.
In addition, inclined surfaces (cam slide surfaces K) are formed on the respective end surfaces of the vertical cam 20a and the horizontal cam 20b, and the vertical movement of the vertical cam 20a is converted into the horizontal movement of the horizontal cam 20b. Yes.
A pair of punch members 13 and 14 are provided on the end surface of the side cam 20b opposite to the cam slide surface K, respectively, and the workpiece W is moved from the horizontal direction via the respective tip pressing portions 13b and 14b. It is comprised so that it can press in the left-right direction.

The pair of punch members 13 and 14 are processing punches having a predetermined shape made of heat-resistant tool steel or the like, and are provided so as to freely advance and retract into the upper surface support portion 12 and the lower surface support portion 11 in a combined state.
In this embodiment, when the partial heating part (including the heating scheduled part S) of the workpiece W is thickened, the vertical movement of the upper holder is converted into the horizontal movement of the punch member using a general-purpose press machine or the like. It is configured to drive.
That is, as shown in FIG. 2 (a), the punch members 13 and 14 are driven to slide in the horizontal direction by converting the vertical reciprocating motion of the stripper 22 into horizontal motion via the longitudinal cam 20a and lateral cam 20b in order. It has become so.
And each front-end | tip press part 13b, 14b of a pair of punch members 13 and 14 has a tapered wedge-shaped taper part, and as shown in FIG.2 (b), front-end | tip press parts 13b and 14b are mutually connected. In order to make them approach each other, they are horizontally moved inward in the direction of the workpiece W to hold the left and right side surfaces H of the workpiece W, and the upper and lower electrodes 11a and 12a are respectively side surfaces of the wedge-shaped tapered portions of the punch members 13 and 14. By inserting the slide, the upper and lower electrodes are separated and the energization therebetween is released.

Next, partial heat processing of the workpiece W performed using the partial heat processing apparatus of the present invention will be described.
FIG. 3 is a cross-sectional view and a plan view of the workpiece W schematically illustrating the stage of the partial heating process.
FIG. 3 (a) shows a workpiece W before partial heating processing, which has a uniform thickness and has a substantially rectangular planar shape (partially has left and right side surfaces H), and two heating scheduled portions in the width direction. S.
FIG. 3B is a cross-sectional view and a plan view showing a state in which the lower electrode 11a in the lower surface support portion 11 and the upper electrode 12a in the upper surface support portion 12 of the partial heating apparatus are in contact with the scheduled heating portion S. FIG. 3C is a cross-sectional view and a plan view showing the workpiece W after processing.
FIG. 4 is a schematic configuration diagram of an energization heating configuration applied to the partial heat processing apparatus of the embodiment.

First, the lower electrode 11a provided on the upper surface of the lower surface support portion 11 is brought into contact with the scheduled heating portion S of the work W from the bottom surface side, and is held by the upper surface support portion 12 from the upper side of the work W. Then, the heating target portion S of the workpiece W is held with pressure from both the upper and lower sides and heated by the pair of upper and lower electrodes 11a and 12a.
The part to be heated S of the workpiece W held between the pair of lower electrode 11a and upper electrode 12a is partially heated by energizing between the pair of lower electrode 11a and upper electrode 12a.
The energization heating configuration is a schematic configuration as shown in FIG. 4 and can be energized and heated at high speed. Therefore, the heating of the heating scheduled portion S is completed by heating for several seconds.

Next, as shown in FIG. 3B, a pair of punch members 13 and 14 provided on the left and right sides between the lower surface support portion 11 and the upper surface support portion 12 holding and holding the work W are sandwiched. Insert it. That is, the heating scheduled portion S is pressed by the punch members 13 and 14 from the left and right sides toward the center portion (inward) in the width direction of the workpiece W.
When the scheduled heating portion S is pressed by the punch members 13 and 14, the thickness increases in the vertical direction as shown in the sectional view of FIG.
On the other hand, as can be seen from a comparison between the plan view of FIG. 3 (a) before heat processing and the plan view of FIG. 3 (c) after heat processing, the left and right side surfaces H in the width direction of the planned heating portion S are thickened portions Z. It disappears when pushed into.
A partial thickened portion Z is formed in the workpiece W by the above flow.

Moreover, in this partial heating processing apparatus 10, the position of the upper surface support part 12 is detected by an eddy current displacement sensor 12b or the like that senses the seating state of the workpiece W, and the quality of the workpiece W is determined as good or bad. It can also be set as a structure.
That is, when the workpiece W is normally placed, the process proceeds to the next process, but in the abnormal state, the workpiece W is temporarily removed from the lower surface support portion 11 via a robot arm or the like, It is also possible to perform a defective product handling process such as replacing the abnormal product with the next one.

Next, a progressive die processing system in which the partial heat processing apparatus 10 of the present invention is incorporated in a series of processing steps will be described. In this embodiment, the progressive machining system will be described with reference to FIG.
FIG. 5A is a schematic cross-sectional view showing an example of a manufacturing process of a rocker arm in a progressive die processing system, and FIG. 5B is a shape of a material in a rocker arm manufacturing step using this progressive die processing system. It is a top view which shows the state of a change.
In the progressive die processing system of the present embodiment, the partial heating processing device 10 is incorporated in a part of the progressive die processing system for continuously producing the rocker arm, as shown in FIG. In addition, materials such as trim, partial heating (electrically heated thickening), swaging, coining, shape trim, side wall molding, and product cut-off are continuously processed in order.

FIG. 6 is an explanatory view showing a manufacturing process of a rocker arm using the progressive type machining system of the embodiment, (a) shows the whole process, and (b) focuses on the process in the progressive type machining system. It is explanatory drawing expanded.
FIG. 7 is a schematic perspective view showing a rocker arm manufactured in the progressive machining system of the present embodiment.
As shown in FIG. 6 and FIG. 7, if the progressive machining system of this embodiment is used, a part having a complicated shape is continuously manufactured by partially heating using a flat plate as a material. It is possible to achieve a significant cost reduction.

As described above, the partial heating processing apparatus of the present invention holds the workpiece between the lower surface support portion and the upper surface support portion, partially heats the workpiece, and partially heats the heating portion. This is intended to form a thickened portion by pressing with a punch member, whereby the thickened portion can be reliably and effectively formed on a part of the workpiece.
In addition, the workpiece manufactured according to the present invention can be continuously manufactured in a series of processing systems by subjecting a partially formed thickened portion to continuous swaging, coining, etc. Can be obtained.

DESCRIPTION OF SYMBOLS 10 Partial heating processing apparatus 10a Base 11 Lower surface support part 11a Lower electrode 12 Upper surface support part 12a Upper electrode 12b Eddy current type displacement sensor (seating sensor)
13, 14 Punch members 13a, 14a Partially heated openings 13b, 14b Tip pressing portions 13c, 14c Side wall support drive ram 15a Punch drive ram 15b Upper holder 16 Electrode pressure controller 17 Upper holder 18, 19 Side wall support 20a Vertical pressing means (vertical cam)
20b Lateral pressing means (lateral cam)
22 Stripper K Cam slide surface H Left and right side S Heating planned part Z Thickening part W Workpiece

Claims (6)

A base and an upper holder disposed to face above the base;
The upper holder is
Below that, a vertical pressing means for horizontally driving the punch member by converting the vertical movement of the upper holder into a horizontal movement;
Connecting the upper surface support portion provided with heating means,
By lowering the upper holder,
Lowering the connected vertical pressing means and the upper surface support,
The workpiece is clamped and held between the upper surface support portion and the lower surface support portion provided on the base,
While heating the planned heating part of the workpiece held under pressure by heating means provided on the upper surface support part and / or the lower surface support part,
The punch member provided at the tip of the lateral pressing means whose movement is converted and horizontally driven by the cam slide surface of the vertical pressing means is moved in the workpiece direction,
Press inward from the left and right outside of the workpiece,
A partial heating processing apparatus characterized in that a portion to be heated of the workpiece is processed. The heating means is a contact-type electrode;
An upper electrode provided on the upper surface support portion and a lower electrode provided on the lower surface support portion,
After coming into contact with the part to be heated of the workpiece,
2. The partial heat processing apparatus according to claim 1, wherein the part to be heated is heated by energizing between the upper electrode and the lower electrode. The punch member has a tapered wedge shape;
After energizing between the upper electrode and the lower electrode to heat the heating target portion of the workpiece,
Inserting the wedge shape of the punch member between the upper and lower surface support portions from the left and right outer sides of the workpiece in the holding state, and separating the upper and lower surface support portions to cut off the energization between the upper and lower electrodes,
Furthermore, the said punch member is moved to the direction of the said workpiece | work, The part of the said heated workpiece | work is pressed inward from right and left outwards, The said heating scheduled part is processed, It is characterized by the above-mentioned. The partial heat processing apparatus as described. The partial heating processing apparatus according to any one of claims 1 to 3, wherein the processing of the part to be heated of the workpiece is a thickening process that partially increases the thickness of the workpiece. The position sensor which detects the mounting state of the said workpiece | work clamped by the said upper surface support part and the said lower surface support part was provided in the upper part of the said lower surface support part, The any one of Claims 1-4 characterized by the above-mentioned. The partial heat processing apparatus of crab. A progressive die processing system comprising the partial heating processing device according to claim 1.