CN214893050U

CN214893050U - Air passage core box positioning system for solving problem of unqualified partial verticality of conjoined volute head

Info

Publication number: CN214893050U
Application number: CN202120659443.7U
Authority: CN
Inventors: 李景涛; 刘松奇; 齐晓波; 张召; 陈大帅
Original assignee: Nanyang Feilong Automobile Parts Co ltd
Current assignee: Nanyang Feilong Automobile Parts Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-26
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a positioning system for an air passage core box, which solves the problem that the partial verticality of a conjoined volute head is unqualified, a core box static die and a core box movable die are arranged oppositely from left to right, and the core box static die is provided with a positioning sleeve, a calibration hole, a positioning groove and a core strip forming groove; a convex block is arranged beside the core strip forming groove; a first forming groove is formed in the outer side of the convex block; a second forming groove is arranged on the outer side of the first forming groove; a first positioning pin is arranged between the first forming groove and the second forming groove; a second positioning pin is arranged on the outer side of the second forming groove; the core box static mould is provided with a pressure plate groove; the core box moving die is provided with a positioning sleeve, a first sliding groove and a second sliding groove; the first sliding groove is provided with a first movable block, a third forming groove and a second movable block in a sliding mode, and the third forming groove can also slide on the second sliding groove. The first movable block and the second movable block are provided with a first positioning sleeve and a second positioning sleeve. The utility model discloses can ensure that the loose piece is accurate in the position of core box, the position degree is qualified, and the finished product is within qualified scope.

Description

Air passage core box positioning system for solving problem of unqualified partial verticality of conjoined volute head

Technical Field

The invention relates to the technical field of dies, in particular to an air passage core box positioning system for solving the problem that an integrated volute head is not qualified in partial verticality.

Background

The four-cylinder turbine shell has the advantages of long tube core, long head, more cylinders and complex structure, the clearance is slightly increased after the core box is used for a period of time, the head of the turbine after core manufacturing deviates to one side, the verticality is unqualified, and the proportion of waste products after processing is larger.

Patent CN201721422140.3 discloses an air passage core box, wherein an inlet of the air passage core box is an outer flaring structure, and the outer flaring structure is an opening structure which is flared from inside to outside along the air passage core box. The utility model provides an air flue core box sets up outer flaring structure through the entry with the air flue core box for external air current is at the in-process that gets into the air flue core box, and through outer flaring structure, reduces flow area gradually, has avoided gaseous entrance air current disturbance at the air flue core box, has effectively improved and has used the embodiment of the utility model provides a stability and the accuracy of the air flue test result of blowing of air flue core box. But does not solve the problem that the partial verticality of the volute head is not qualified.

Disclosure of Invention

The utility model discloses a solve above-mentioned problem and taken following technical scheme: the air passage core box positioning system for solving the problem that the partial verticality of the connected volute head is unqualified comprises a core box static die and a core box movable die, wherein the core box static die and the core box movable die are arranged in a left-right opposite mode,

the side surface of the core box static die, which is opposite to the core box movable die, is provided with a positioning hole for positioning, a positioning sleeve for positioning the core box body, a calibration hole for calibration, a positioning groove for positioning the core box and a core strip forming groove for positioning the core strip; a convex block is arranged beside the core strip forming groove; a first forming groove is formed in the outer side of the bump; a second forming groove is formed in the outer side of the first forming groove; two first positioning pins are arranged between the first forming groove and the second forming groove; two second positioning pins are arranged on the outer side of the second forming groove; the middle part of the core box static die is provided with a pressure plate groove for guiding the movable block of the air cylinder to guide;

four corners of the side surface of the core box movable die opposite to the core box static die are provided with positioning sleeves for positioning the core box body; the core box moving die is provided with a first sliding groove and a second sliding groove; the first sliding groove is provided with a first movable block, a third forming groove and a second movable block in a sliding mode, and the third forming groove can also slide on the second sliding groove. And the first movable block and the second movable block are respectively provided with a first positioning sleeve and a second positioning sleeve corresponding to the two first positioning pins and the two second positioning pins.

Preferably, bolt holes for penetrating bolts are formed in the side surfaces of the core box static die and the core box movable die.

Preferably, the number of the positioning holes is two, and the positioning holes are square in shape.

Preferably, the positioning sleeve and the calibration hole are both provided with two circular shapes and are symmetrically arranged at two ends of the opposite surface of the core box static die and the core box moving die.

Preferably, the number of the positioning grooves is two, and the positioning grooves are U-shaped.

Preferably, the first forming groove and the second forming groove are semicircular in shape.

The utility model discloses an actively beneficial effect: the positioning pin of the core box static die is inserted into the core box movable die positioning sleeve in the die assembly process, so that the loose piece can be accurately in place and the position degree is qualified, the head position of a finished product turbine after die assembly can be ensured to be within a qualified range, deviation is avoided, the verticality is qualified, the reduction of waste materials is facilitated, the waste materials are reduced to 3%, and the improvement effect is obvious.

Drawings

Fig. 1 is a schematic structural diagram of an air passage core box positioning system for solving the problem that the partial verticality of the conjoined volute head is unqualified.

Fig. 2 is a schematic view of a stationary die structure of the core box of fig. 1.

Fig. 3 is a schematic structural diagram of a core box movable die in fig. 1.

In the figure: 1. the core box forming device comprises a positioning hole, 2, a pressing plate groove, 3, a positioning sleeve, 4, a calibration hole, 5, a positioning sleeve, 6, a first forming groove, 7, a second forming groove, 8, a core strip forming groove, 9, a bolt hole, 10, a core box static die, 11, a second positioning pin, 12, a first positioning pin, 13, a core box movable die, 14, a second movable block, 15, a first movable block, 16, a third forming groove, 17, a first sliding groove, 18, a second sliding groove, 19, a second positioning sleeve, 20, a first positioning sleeve and 21, a bump.

Detailed Description

The invention will be further described with reference to some specific embodiments.

The air passage core box positioning system for solving the problem that the partial verticality of the conjoined volute head is unqualified in figures 1-3 comprises a core box static die 10 and a core box movable die 13, and is characterized in that the core box static die 10 and the core box movable die 13 are oppositely arranged left and right,

the side surface of the core box static die 10 opposite to the core box movable die 13 is provided with a positioning hole 1 for positioning, a positioning sleeve 3 for positioning the core box body, a calibration hole 4 for calibration, a positioning groove 5 for positioning the core box and a core strip forming groove 8 for positioning the core strip; a convex block 21 is arranged beside the core strip forming groove 8; a first forming groove 6 is formed in the outer side of the bump 21; a second forming groove 7 is arranged on the outer side of the first forming groove 6; two first positioning pins 12 are arranged between the first forming groove 6 and the second forming groove 7; two second positioning pins 11 are arranged on the outer side of the second forming groove 7; the middle part of the core box static die 10 is provided with a pressure plate groove 2 for guiding the movable block of the cylinder;

four corners of the side surface of the core box movable die 13 opposite to the core box stationary die 10 are provided with positioning sleeves 3 for positioning the core box body; the core box moving die 13 is provided with a first sliding groove 17 and a second sliding groove 18; the first sliding groove 17 is provided with a first loose piece 15, a third forming groove 16 and a second loose piece 14 in a sliding manner, and the third forming groove 16 can also slide on a second sliding groove 18. The first loose piece 15 and the second loose piece 14 are respectively provided with a first positioning sleeve 20 and a second positioning sleeve 19 corresponding to the two first positioning pins and the two second positioning pins.

The side surfaces of the core box static die 10 and the core box movable die 13 are provided with bolt holes 9 for penetrating bolts; two positioning holes 1 are arranged and are square; the two positioning sleeves 3 and the two calibration holes 4 are both circular in shape and symmetrically arranged at two ends of the opposite surface of the core box static die 10 and the core box movable die 13; two positioning grooves 5 are arranged and are in a U shape; the first forming groove 6 and the second forming groove 7 are semicircular in shape.

The working principle is as follows: the core box static die 10 and the core box movable die 13 are oppositely arranged left and right, molding sand is injected into the first molding groove 6, the second molding groove 7, the core strip molding groove 8 and the third molding groove 16, a first positioning pin 12 and a second positioning pin 11 are inserted into a first positioning sleeve 20 and a second positioning sleeve 19 during molding to check whether a first movable block 15, a second movable block 14 and the third molding groove 16 are in place or not, then the core box static die 10 and the core box movable die 13 are combined to start die assembly, the core box static die 10 and the core box movable die 13 are separated after molding, a molding turbine is taken down, and then residual molding sand is blown out by an air gun.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The air passage core box positioning system for solving the problem that the partial verticality of the connected volute head is unqualified comprises a core box static die (10) and a core box movable die (13), and is characterized in that the core box static die (10) and the core box movable die (13) are oppositely arranged on the left and right,

the side surface of the core box static die (10) opposite to the core box moving die (13) is provided with a positioning hole (1) for positioning, a positioning sleeve (3) for positioning the core box body, a calibration hole (4) for calibration, a positioning groove (5) for positioning the core box and a core strip forming groove (8) for positioning the core strip; a convex block (21) is arranged beside the core strip forming groove (8); a first forming groove (6) is formed in the outer side of the bump (21); a second forming groove (7) is arranged on the outer side of the first forming groove (6); two first positioning pins (12) are arranged between the first forming groove (6) and the second forming groove (7); two second positioning pins (11) are arranged on the outer side of the second forming groove (7); a pressure plate groove (2) for guiding a cylinder loose piece to guide is formed in the middle of the core box static die (10);

four corners of the side surface of the core box movable die (13) opposite to the core box static die (10) are provided with positioning sleeves (3) for positioning the core box body; the core box moving die (13) is provided with a first sliding groove (17) and a second sliding groove (18); first sliding tray (17) go up the slip and are provided with first loose piece (15), third one-tenth type groove (16) and second loose piece (14), and third one-tenth type groove (16) also can slide on second sliding tray (18), be provided with respectively on first loose piece (15) and the second loose piece (14) with two first location tip and two first position sleeve (20) and second position sleeve (19) that the second location tip is corresponding.

2. The air passage core box positioning system for solving the problem of the unqualified partial verticality of the conjoined volute head according to claim 1, wherein bolt holes (9) for penetrating bolts are opened on the side surfaces of the core box static die (10) and the core box moving die (13).

3. The positioning system for the air passage core box for solving the problem of the partial verticality failure of the conjoined volute head according to claim 1, wherein two positioning holes (1) are arranged and are square in shape.

4. The air passage core box positioning system for solving the problem of unqualified partial verticality of the conjoined volute head according to claim 1, wherein two positioning sleeves (3) and two calibration holes (4) are arranged, are circular in shape, and are symmetrically arranged at two ends of the opposite surfaces of the core box static die (10) and the core box movable die (13).

5. The positioning system for the air passage core box for solving the problem of the unqualified partial verticality of the conjoined volute head according to claim 1, wherein two positioning grooves (5) are arranged and are in a U shape.

6. The positioning system for the air passage core box for solving the problem of the partial verticality failure of the conjoined volute head according to claim 1, wherein the first forming groove (6) and the second forming groove (7) are semicircular in shape.