CN214720326U - Hand former half body blank - Google Patents

Abstract

The utility model discloses a hand mould half-body blank, which comprises a hand mould body, an arm connecting piece, a plurality of slag ladles, an exhaust piece and a gap bridge piece; a front horizontal transition section is arranged between the front surface of each slag ladle and the front end of each finger of the hand mould body; the convex surface of hand former body still is provided with a plurality of reference columns. The utility model discloses hand former half-body blank is used for and anchor clamps go up a great deal of detailed design through parallel transition section, cinder ladle, reference column, feed inlet, especially when carrying out laser welding or other mode welding the recess that corresponds closely, plays the fixed effect of product location, makes the product be unlikely to produce the off normal and lead to producing badly when the welding assembly, after the welding is accomplished, handles a plurality of reference columns through CNC processing or polishing and polish, makes hand former surfacing smooth. Due to a plurality of detailed designs, the whole manufacturing process is more efficient, the product yield is higher, the product quality is more reliable, and the product attractiveness is better.

Description

Hand former half body blank

Technical Field

The utility model relates to a novel hand former mould technical field especially relates to a hand former halfbody blank.

Background

At present, in the production process of gloves such as latex, butyronitrile, PU or PVC, the procedures such as gum dipping and the like are needed to be carried out by utilizing a hand model, and the quality of the hand model is directly related to the quality of the gloves. Most of the existing hand molds are ceramic hand molds and integral metal hand molds cast by gravity. The ceramic hand mold has the defects of high energy consumption in the production process, easy damage of the mold, no recycling value of the scrapped mold and incapability of realizing recycling treatment, thereby causing ultrahigh production cost and environmental protection cost; the gravity casting has the defects of poor surface leveling quality, uneven thickness of single products, extremely low same precision and repeated similarity between each product, great difference, sand holes, more internal defects, low product percent of pass, low production efficiency, high labor intensity, incapability of recycling sand casting molds used in the production process, easy environmental pollution, high production cost and the like in the production process.

Therefore, a new metal hand mold blank is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a hand former halfbody blank.

The utility model provides a hand mould half-body blank, which comprises a hand mould body, an arm connecting piece, a plurality of slag bags, an exhaust piece and a bridge piece; a front horizontal transition section is arranged between the front surface of each slag ladle and the front end of each finger of the hand mould body; the convex surface of hand former body still is provided with a plurality of reference columns.

Preferably, the thickness of the front face horizontal transition section is 0.4-5.0 mm, the length of the front face horizontal transition section is 0.1-10mm, and the width of the front face horizontal transition section is 0.1-40 mm.

Preferably, the shape of the positioning columns is circular, eccentric, square, trapezoid or conical; the height of each positioning column is 0.1-100mm, and the length, width and diameter of each positioning column are 0.1-100 mm.

Preferably, the number of the positioning columns is 1-50, and the spacing distance between the positioning columns is 0.1-280 mm.

Preferably, an inclined plane transition section and a back plane transition section are arranged between the back of each slag ladle and the front end of each finger of the hand mould body, the length of the inclined plane transition section is 0.1-10mm, the width of the inclined plane transition section is 0.1-40mm, and the thickness of the inclined plane transition section is 0.1-25 mm; the angle range of the inclined plane transition section is 1-70 degrees; the shape of the slag ladle can be trapezoid, sector, cone, square, rectangle, triangle, semicircle, circle or parallelogram, the length of the slag ladle is 1-80mm, the width of the slag ladle is 1-70mm, the diameter of the slag ladle is 1-80mm, and the thickness of the slag ladle is 0.1-60 mm.

Preferably, the gap bridge piece is a connecting piece between every two fingers, and comprises a first gap bridge piece and a second gap bridge piece, and the second gap bridge piece is arranged at the upper end of the first gap bridge piece; the thickness of the first gap bridge piece is 0.1-5.0 mm.

Preferably, the arm connecting piece comprises a plurality of feeding main pieces and a plurality of feeding side pieces; the feeding main parts are arranged on two sides of an arm of the hand die body; the feeding side parts are respectively connected with the feeding main parts; the quantity of feeding side spare is 1 ~ 30, the width of feeding side spare is 1 ~ 280mm, the thickness of feeding side spare is 1 ~ 40mm, the length of feeding side spare is 1 ~ 100 mm.

Preferably, it is a plurality of the feeding main part is the echelonment overall arrangement, and is a plurality of the quantity of feeding main part is 1 ~ 3, the thickness of feeding main part is 1 ~ 40mm, the width of feeding main part is 5 ~ 40mm, the length of feeding main part is 5 ~ 300 mm.

Preferably, the R angle range of the horizontal transition section between the front surface of the cinder ladle of the hand die half blank and the front surface of the hand die half blank is R0.1-R10 or the C angle range is C0.1-C10.

Preferably, the blank of the half hand die is divided into a left half hand die blank and a right half hand die blank, and the thickness of the left half hand die blank is different from that of the right half hand die blank, but the thicknesses can be interchanged from left to right; the hand die left half body blank and the hand die right half body blank are mutually pressed and welded, and are subjected to CNC (computerized numerical control) machining or polishing and grinding to form a hand die body; the welding surface of the hand die left half body blank and the hand die right half body blank is not a middle-dividing position.

Implement the utility model discloses hand former half body blank's technical scheme has above advantage or technological effect: the utility model discloses hand former half body blank, through a great deal of detailed design such as parallel transition section, cinder ladle, reference column, feed inlet, especially, the reference column is used for and the recess that corresponds on the anchor clamps cooperates closely when carrying out laser welding, plays the fixed effect of product location, makes the product be unlikely to produce the off normal and lead to producing badly when the welding assembly, after the welding is accomplished, handles a plurality of reference columns through CNC processing or polishing and polish, makes hand former surfacing smooth. Due to a plurality of detailed designs, the whole manufacturing process is more efficient, the product yield is higher, the product quality is more reliable, and the product attractiveness is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in the drawings:

fig. 1 is an exploded schematic view of a novel mold according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a novel mold and a hand mold half-body blank according to an embodiment of the present invention;

fig. 3 is a schematic view of a fixed mold core of the novel mold according to the embodiment of the invention;

fig. 4 is a schematic view of a movable mold core of the novel mold according to the embodiment of the invention;

fig. 5 is a partial schematic view of a movable mold slag ladle groove of the movable mold core of the novel mold of the embodiment of the invention;

FIG. 6 is a schematic view of a hand mold half blank according to an embodiment of the present invention;

fig. 7 is a partial schematic view of the front side of the slag ladle of the hand mold half blank according to the embodiment of the invention;

fig. 8 is a partial schematic view of the R angle of the front surface of the slag ladle of the blank of the hand mold half body according to the embodiment of the present invention;

fig. 9 is a partial schematic view of the back of the cinder ladle of the hand die half blank according to the embodiment of the invention.

The mold comprises a movable mold core 12, a hand mold boss 121, a feeding water gap runner 122, a movable mold slag ladle groove 124, an exhaust groove 125, an inclined surface transition groove 1211, a movable mold plane transition groove 1212, a feeding main runner 1221, a feeding branch runner 1222, a fixed mold core 22, a hand mold concave surface 221, a fixed mold horizontal transition groove 222, a fixed mold slag ladle groove 223, a positioning groove 2211, a first bridge groove 2212, a second bridge groove 2213, a hand mold half body blank 1000, a hand mold body 1100, an arm connecting piece 1200, a slag ladle 1300, an exhaust piece 1400, a bridge piece 1500, a positioning column 1101, a feeding main piece 1201, a feeding side piece 1202, a front horizontal transition section 1301, an inclined surface transition section 1302 and a back surface transition section 1303.

Detailed Description

In order to make the objects, solutions and advantages of the present invention more apparent, the various embodiments to be described above will be referred to the accompanying drawings, which form a part hereof, and in which are described various embodiments that may be employed for carrying out the present invention. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present invention. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

At present, other metal hand moulds are formed by welding the left half body and the right half body of the hand mould in a split mode without a convex edge, the hand mould for manufacturing (welding) has the defects of surface depression, bubbles, sand holes and the like of the hand mould, nitrogen is needed for isolation during welding, and the split mode has the problems of poor welding and the like. Therefore, the utility model discloses develop a novel mould (being the novel mould of aluminum alloy die-casting) and hand former halfbody blank of preparation thereof.

The first embodiment is as follows:

as shown in fig. 1-5, the present invention provides a novel mold embodiment, which comprises a fixed mold core 22 and a movable mold core 12; the front surface of the fixed mold core 22 is provided with a hand mold concave surface 221, a plurality of fixed mold horizontal transition grooves 222 and a plurality of fixed mold slag ladle grooves 223; a plurality of positioning grooves 2211 are formed in the inner side of the hand die concave surface 221; the front surface of the movable mould core 12 is provided with a hand mould boss 121; the hand mold concave surface 221 of the fixed mold core 22 and the hand mold boss 121 of the movable mold core 12 are matched to form a hand mold cavity for manufacturing a hand mold half body blank, specifically, the fixed mold core is fixed on a fixed mold head plate of a die casting machine through the fixed mold base, the movable mold core is fixed on a movable mold middle plate of the die casting machine through the movable mold base, and the movable mold core and the fixed mold core are matched and fixed together along with the movement of the die casting machine to manufacture the hand mold half body blank through die casting. It should be noted that, the utility model discloses the mould is except that fixed mold core and movable mold core, still must include fixed mold frame, material pipe and cover half discharge valve, movable mold frame and movable mould discharge valve, mold foot square bar, mold foot clamp plate, thimble planker, thimble board, chaplet, a plurality of thimbles and paper clip etc. these structures all are irrelevant with this patent, and other patents have had detailed description, for this reason, do not describe and restrict in this patent.

Specifically, the hand mold concave surface 221 comprises a plurality of finger grooves, and each fixed mold horizontal transition groove 222 is arranged between each fixed mold cinder ladle groove 223 and the front end of each finger groove; the thickness of the fixed die horizontal transition groove 222 is 0.4-5.0 mm, the length of the fixed die horizontal transition groove 222 is 0.1-10mm, and the width of the fixed die horizontal transition groove 222 is 0.1-40 mm. More specifically, a first gap bridge slot 2212 and a second gap bridge slot 2213 are arranged between the finger grooves, and the second gap bridge slot 2213 is located at the lower side inside the first gap bridge slot 2212; the depth of the first gap bridge slot 2212 is 0.1-5.0 mm. Specifically, the length, the width and the diameter of the fixed mould slag ladle groove can be completely the same as the parameters of the movable mould slag ladle groove. The shape of the fixed mold slag ladle groove 223 and the movable mold slag ladle groove 124 can be trapezoid, fan-shaped, conical, square, rectangular, triangular, semicircular, circular or parallelogram, the length of the fixed mold slag ladle groove 223 and the movable mold slag ladle groove 124 is 1-80mm, the width of the fixed mold slag ladle groove 223 and the movable mold slag ladle groove 124 is 1-70mm, the diameter of the fixed mold slag ladle groove 223 and the movable mold slag ladle groove 124 is 1-80mm, and the depth of the fixed mold slag ladle groove 223 and the movable mold slag ladle groove 124 is 0.1-60 mm. Specifically, the depth of the fixed mold slag ladle groove 223 and the depth of the movable mold slag ladle groove 124 may be the same, or the depth of the fixed mold slag ladle groove 223 is greater or smaller than the depth of the movable mold slag ladle groove 124.

Specifically, a plurality of positioning grooves 2211 are arranged on the inner side of the hand mold concave surface 221 of the fixed mold core 22; the depth of each positioning groove 2211 is 0.1-100mm, and the length, width and diameter of each positioning groove 2211 are 0.1-100 mm. Preferably, the shape of the positioning grooves 2211 is circular, offset, square, trapezoid or conical, but other shapes are also possible, and are not limited in this respect. The number of the positioning grooves 2211 is 1-50, a plurality of the positioning grooves 2211 are distributed on the inner side of the concave surface of the hand die, the positions of the positioning grooves 2211 are any positions of the concave surface product area of the fixed die and are dispersed, and the spacing distance between the positioning grooves 2211 is 0.1-280 mm. The positioning column produced by the positioning groove after the product is formed can be round, eccentric, square, cylindrical, conical and the like.

In the present embodiment, the front surface of the movable mold core 12 has a mold boss 121, a material inlet runner 122, a plurality of movable mold slag ladle grooves 124 and an exhaust groove 125; the feeding water gap flow passage comprises a plurality of feeding main flow passages 1221 and a plurality of feeding branch flow passages 1222; the feeding main flow channels 1221 are arranged on two sides of an arm of the hand mold boss 121; each movable mould slag ladle groove 124 is arranged at the front end of each finger of the hand mould boss 121; an inclined surface transition groove 1211 and a movable mold plane transition groove 1212 are arranged between each movable mold slag ladle groove 124 and the front end of each finger of the hand mold boss 121, the length of the inclined surface transition groove 1211 is 0.1-10mm, the width of the inclined surface transition groove 1211 is 0.1-40mm, and the thickness of the inclined surface transition groove 1211 is 0.1-25 mm. The inclined surface transition groove 1211 is an inclined surface with a height facing the slag ladle, and the angle of the inclined surface transition groove 1211 ranges from 1 to 70 degrees.

In the present embodiment, a plurality of feed sub-runners 1222 are respectively communicated with the feed main runner 1221; the number of the feeding runner 1222 is 1-30, the width of the feeding runner 1222 is 1-280mm, the thickness of the feeding runner 1222 is 1-40mm, and the length of the feeding runner 1222 is 1-100 mm. The feeding main runner 1221 is the echelonment overall arrangement, the quantity of feeding main runner 1221 is 1 ~ 3, the thickness of feeding main runner 1221 is 1 ~ 40mm, the width of feeding main runner 1221 is 5 ~ 40mm, the length of feeding main runner 1221 is 5 ~ 300 mm.

The utility model discloses the novel mould divide into left half novel mould and right half novel mould, left half novel mould is used for making hand former left half blank, right half novel mould is used for making hand former right half blank, the thickness of hand former left half blank is different with the thickness of hand former right half blank; the hand die left half body blank and the hand die right half body blank are mutually pressed and welded, and are subjected to CNC (computerized numerical control) machining or polishing and grinding to form a hand die body; the welding surface of the hand die left half body blank and the hand die right half body blank is not a middle-dividing position.

As is well known, the utility model discloses hand former half body blank of mould production, when hand former half body blank carries out laser welding process, the best processing mode becomes perpendicular 90 degrees for the face of weld of laser beam and welding piece, because only just so can avoid laser refraction or focus deviation to lead to the bad phenomenon of welding. The welding seam of the left half body blank and the right half body blank of the hand die adopts a partial processing mode with interchangeable left and right sizes in order to effectively solve the problem that the laser beam and the welding surface of laser welding are guaranteed to be close to a vertical angle as much as possible so as to be convenient for welding, and the average partial welding processing of the metal hand die is abandoned.

The utility model discloses mould and hand former half body blank of preparation thereof, through many detailed designs such as parallel transition section, cinder ladle, reference column, feed inlet, especially, the reference column is used for and the recess that corresponds on the anchor clamps cooperates closely when carrying out laser welding, plays the fixed effect of product location, makes the product be unlikely to produce the off normal and lead to producing badly when the welding assembly, after the welding is accomplished, handles a plurality of reference columns through CNC processing or polishing, makes the hand former surfacing smooth. Due to a plurality of detailed designs, the whole manufacturing process is more efficient, the product yield is higher, the product quality is more reliable, and the product attractiveness is better.

Example two:

as shown in fig. 6-9, the present invention further provides an embodiment of the blank of the hand mold half body, wherein the blank of the hand mold half body is made by the novel mold of the first embodiment. The hand die half body blank 1000 comprises a hand die body 1100, an arm connecting piece 1200, a plurality of slag ladles 1300, an exhaust piece 1400 and a bridge piece 1500; a front horizontal transition section is arranged between the back surface of each slag ladle 1300 and the front end of each finger of the hand mould body 1100; specifically, the thickness of the front-side horizontal transition section 1301 is 0.4-5.0 mm, the length of the front-side horizontal transition section 1301 is 0.1-10mm, and the width of the front-side horizontal transition section 1301 is 0.1-40 mm.

Specifically, the convex surface of the hand mold body 1100 is further provided with a plurality of positioning pillars 1101, the positioning pillars 1101 are circular, eccentric, square, cylindrical, trapezoidal and/or conical, and the like, the specific shape is not limited herein, the height of each positioning pillar 1101 is 0.1-100mm, the length, width and diameter of each positioning pillar 1101 are 0.1-100mm, the number of the positioning pillars 1101 is 1-50, the positions of the positioning pillars 1101 are any positions of the product area of the hand mold body 1100, the positioning pillars are distributed in a dispersed manner, and the spacing distance between the positioning pillars 1101 is 0.1-280 mm.

Specifically, a slope transition section 1302 and a back plane transition section 1303 are arranged between the back surface of each slag ladle 1300 and the front end of each finger of the hand die body 1100, the length of the slope transition section 1302 is 0.1-10mm, the width of the slope transition section is 0.1-40mm, and the thickness of the slope transition section is 0.1-25 mm. The inclined plane transition section 1302 is an inclined plane with the height facing the slag ladle, and the angle of the inclined plane transition section 1302 ranges from 1 degree to 70 degrees. Specifically, the back surface plane transition section 1303 and the front surface plane transition section 1301 have the same size, the thickness of the front surface plane transition section 1301 and the back surface plane transition section 1303 is 0.4-5.0 mm, the length of the front surface plane transition section 1301 and the back surface plane transition section 1303 is 0.1-10mm, and the width of the front surface plane transition section 1301 and the back surface plane transition section 1303 is 0.1-40 mm.

Specifically, the bridge piece 1500 is a connecting piece between every two fingers, the bridge piece 1500 includes a first bridge piece 1501 and a second bridge piece 1502, and the second bridge piece 1502 is arranged at the upper end of the first bridge piece 1501; the thickness of the gap bridge piece 1501 is 0.1-5.0 mm.

Specifically, the arm link 1200 includes a plurality of feeding main members 1201 and a plurality of feeding side members 1202; the feeding main part 1201 is arranged on two sides of an arm of the hand die body 1100; a plurality of the feeding side pieces 1202 are respectively connected with a plurality of the feeding main pieces 1201; the number of the feeding side pieces 1202 is 1-30, the width of the feeding side pieces 1202 is 1-280mm, the thickness of the feeding side pieces 1202 is 1-40mm, and the length of the feeding side pieces 1202 is 1-100 mm. The feeding main parts 1201 are in a step-shaped layout, the number of the feeding main parts 1201 is 1-3, the thickness of the feeding main parts 1201 is 1-40mm, the width of the feeding main parts 1201 is 5-40 mm, and the length of the feeding main parts 1201 is 5-300 mm. The R angle range of the horizontal transition 1301 between the front surface of the slag ladle 1300 of the hand die half blank and the front surface of the hand die half blank is R0.1-R10 or the C angle range is C0.1-C10. Specifically, the slag ladle 1300 includes a slag ladle front side (stationary mold slag ladle) and a slag ladle back side (movable mold slag ladle). The shape of the slag ladle 1300 can be trapezoid, fan-shaped, conical, square, rectangular, triangular, semicircular, round or parallelogram, the length of the slag ladle 1300 is 1-80mm, the width of the slag ladle 1300 is 1-70mm, the diameter of the slag ladle 1300 is 1-80mm, and the thickness of the slag ladle 1300 is 0.1-60 mm. Specifically, the thickness of the slag ladle 1300 is 0.1-60mm, but the thickness of the front surface (fixed mold slag ladle) of the slag ladle and the thickness of the back surface (movable mold slag ladle) of the slag ladle can be the same, or the thickness of the front surface (fixed mold slag ladle) of the slag ladle is larger or smaller than the thickness of the back surface (movable mold slag ladle) of the slag ladle.

The utility model discloses a hand mould half-body blank is divided into a hand mould left half-body blank and a hand mould right half-body blank, the thickness of the hand mould left half-body blank is different from that of the hand mould right half-body blank, but the thicknesses can be exchanged from left to right; the hand die left half body blank and the hand die right half body blank are mutually pressed and welded, and are subjected to CNC (computerized numerical control) machining or polishing and grinding to form a hand die body; the welding surface of the hand die left half body blank and the hand die right half body blank is not a middle-dividing position. The utility model discloses hand former half body blank is hand type hand former, and this hand former half body blank can come the whole size of confirming as required, if can be big-size, medium-size, small size etc. concrete restriction is no longer done to specific size and dimension. The utility model discloses a hand former halfbody blank or novel mould, the restriction to above-mentioned size can come the same scale enlargement or reduce according to the whole size of hand former halfbody blank or novel mould to be not used for the strict limitation of size.

The utility model discloses hand former half body blank, through a great deal of detailed design such as parallel transition section, cinder ladle, reference column, feed inlet, especially, the reference column is used for and the recess that corresponds on the anchor clamps cooperates closely when carrying out laser welding, plays the fixed effect of product location, makes the product be unlikely to produce the off normal and lead to producing badly when the welding assembly, after the welding is accomplished, handles a plurality of reference columns through CNC processing or polishing and polish, makes hand former surfacing smooth. Due to a plurality of detailed designs, the whole manufacturing process is more efficient, the product yield is higher, the product quality is more reliable, and the product attractiveness is better.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (10)

1. A hand die half blank is characterized in that the hand die half blank (1000) comprises a hand die body (1100), an arm connecting piece (1200), a plurality of slag ladles (1300), an exhaust piece (1400) and a bridge piece (1500); a front horizontal transition section (1301) is arranged between the front face of each slag ladle (1300) and the front end of each finger of the hand model body (1100);

the convex surface of the hand die body (1100) is also provided with a plurality of positioning columns (1101).

2. A hand mould half blank according to claim 1, characterised in that the front side lay flat transition (1301) has a thickness of 0.4-5.0 mm, the length of the front side lay flat transition (1301) is 0.1-10mm and the width of the front side lay flat transition (1301) is 0.1-40 mm.

3. The hand mold half blank according to claim 1, wherein a plurality of said locator posts (1101) are circular, offset, square, trapezoidal or conical in shape;

the height of each positioning column (1101) is 0.1-100mm, and the length, the width and the diameter of each positioning column (1101) are 0.1-100 mm.

4. A hand mould half blank according to claim 3, characterised in that the number of location posts (1101) is 1-50 and the spacing between the location posts (1101) is 0.1-280 mm.

5. The hand mold half blank of claim 1, wherein a bevel transition (1302) and a back planar transition (1303) are included between the back of each cinder ladle (1300) and the front of each finger of the hand mold body (1100);

the length of the inclined plane transition section (1302) is 0.1-10mm, the width of the inclined plane transition section (1302) is 3-30mm, the thickness of the inclined plane transition section (1302) is 0.1-25mm, and the angle range of the inclined plane transition section (1302) is 1-70 degrees;

the shape of the slag ladle (1300) can be trapezoid, sector, cone, square, rectangle, triangle, semicircle, circle or parallelogram, the length of the slag ladle (1300) is 1-80mm, the width of the slag ladle (1300) is 1-70mm, the diameter of the slag ladle (1300) is 1-80mm, and the thickness of the slag ladle (1300) is 0.1-60 mm.

6. A hand mould half blank according to claim 1, characterised in that the bridge piece (1500) is a connection between every two fingers, the bridge piece (1500) comprising a first bridge piece (1501) and a second bridge piece (1502), the second bridge piece (1502) being arranged at the upper end of the first bridge piece (1501);

the thickness of the gap bridge piece (1501) is 0.1-5.0 mm.

7. The hand mold half blank of claim 1, wherein the arm connector (1200) comprises a plurality of feed main pieces (1201) and a plurality of feed side pieces (1202); the feeding main part (1201) is arranged on two sides of an arm of the hand die body (1100);

a plurality of the feeding side pieces (1202) are respectively connected with a plurality of the feeding main pieces (1201);

the number of the feeding side pieces (1202) is 1-30, the width of the feeding side pieces (1202) is 1-280mm, the thickness of the feeding side pieces (1202) is 1-40mm, and the length of the feeding side pieces (1202) is 1-100 mm.

8. The hand die half blank according to claim 7, wherein the plurality of feeding main parts (1201) are arranged in a step shape, the number of the plurality of feeding main parts (1201) is 1-3, the thickness of the feeding main parts (1201) is 1-40mm, the width of the feeding main parts (1201) is 5-40 mm, and the length of the feeding main parts (1201) is 5-300 mm.

9. The hand mold half blank of claim 1, wherein the R angle of the front face of the cinder ladle (1300) of the hand mold half blank to the front face level transition (1301) of the hand mold half blank ranges from R0.1 to R10 or the C angle ranges from C0.1 to C10.

10. The hand mold half blank of any one of claims 1-9 wherein the hand mold half blank is divided into a hand mold left half blank and a hand mold right half blank, the hand mold left half blank having a thickness different from, but interchangeable from, the thickness of the hand mold right half blank;

the hand die left half body blank and the hand die right half body blank are mutually pressed and welded, and are subjected to CNC (computerized numerical control) machining or polishing and grinding to form a hand die body; the welding surface of the hand die left half body blank and the hand die right half body blank is not a middle-dividing position.

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