CN212443093U

CN212443093U - Sand core preparation mould

Info

Publication number: CN212443093U
Application number: CN202020835246.1U
Authority: CN
Inventors: 王芬雨; 宫顺; 王波; 郭琰; 江朋世
Original assignee: Qingdao Haichuan Zhongxin Machinery Co ltd
Current assignee: Qingdao Haichuan Zhongxin Machinery Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-02
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a sand core preparation mould, which relates to the field of casting industry, and the technical proposal is characterized in that the mould comprises a mould and a heating pipe inserted into the mould, one side of the mould is provided with a connecting plate, and the connecting plate is provided with a connecting device for connecting the heating pipe; the connecting device comprises a connecting block, a second bolt, a supporting frame, a threaded rod and a clamping plate, wherein the second bolt penetrates through the strip hole and is in threaded connection with the connecting block, the supporting frame is arranged on the connecting block, the cross section of the clamping plate is U-shaped, the threaded rod is in threaded connection with the two ends of the supporting frame, the clamping plate is rotatably connected to one side, close to the threaded rod, and the clamping plate is arc-shaped. The invention has the effect of conveniently inserting and pulling out the heating pipe on the die at the same time.

Description

Sand core preparation mould

Technical Field

The utility model relates to a casting industry field especially relates to a psammitolite preparation mould.

Background

The sand core is a material used for manufacturing a core in casting production, and is generally formed by mixing molding materials such as casting sand, a molding sand binder, an auxiliary additive and the like according to a certain proportion. The production of large-scale castings generally adopts core sand of a hot core box. The hot core box core making is core sand prepared with liquid thermosetting resin adhesive and curing agent, and the sand is filled into the core box heated to certain temperature, so that the sand core near the surface of the core box is heated and the adhesive may be condensated and hardened in short time. Therefore, a heating pipe needs to be inserted into the sand core preparation mould to heat the sand core preparation mould. In order to heat the mold uniformly and shorten the heating time of the entire mold, it is necessary to insert a plurality of heating pipes into the mold. The number of the inserted heating pipes is large, so that the inserting and pulling processes are complicated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a psammitolite preparation mould inserts and extracts the heating pipe on the mould when can be convenient.

In order to achieve the above purpose, the utility model provides a following technical scheme: a sand core preparation mold comprises a mold and a heating pipe inserted into the mold, wherein a connecting plate is arranged on one side of the mold, and a connecting device for connecting the heating pipe is arranged on the connecting plate; the connecting device comprises a connecting block, a second bolt, a supporting frame, a threaded rod and a clamping plate, wherein the second bolt penetrates through the strip hole and is in threaded connection with the connecting block, the supporting frame is arranged on the connecting block, the cross section of the clamping plate is U-shaped, the threaded rod is in threaded connection with the two ends of the supporting frame, the clamping plate is rotatably connected to one side, close to the threaded rod, and the clamping plate is arc-shaped.

Through adopting above-mentioned technical scheme, the connecting block pass through second bolted connection at the connecting plate and with the position of through-hole to right usefulness, fix the heating pipe through the pinch-off blades for install a plurality of heating pipes simultaneously on a connecting plate, insert in the mould or extract from the mould with a plurality of heating pipes through removing the connecting plate convenience simultaneously.

The utility model discloses further set up to: the connecting block is connected with a supporting block in a sliding mode, and the supporting frame is arranged on the supporting block.

Through adopting above-mentioned technical scheme, the position that can drive the support frame with connecting block sliding connection's supporting shoe changes, makes things convenient for the alignment of heating pipe and through-hole more, makes things convenient for the insertion of heating pipe.

The utility model discloses further set up to: the supporting block is provided with a T-shaped groove at one side close to the connecting block, a T-shaped block sliding in the T-shaped groove is arranged on the supporting block, and a screw rod connected with the T-shaped block in a threaded manner is rotationally connected in the T-shaped groove.

By adopting the technical scheme, the screw rod is rotated to conveniently drive the T-shaped block sliding in the T-shaped groove to move, so that the supporting block is conveniently driven to move.

The utility model discloses further set up to: the supporting block is provided with a sliding groove, one side of the supporting frame, which is close to the sliding groove, is fixed with a sliding block which slides in the sliding groove, the sliding groove is internally fixed with a fixed rod which penetrates through the sliding block, two ends of the fixed rod are sleeved with springs, and two ends of the springs are respectively abutted to the end parts of the sliding block and the sliding groove.

Through adopting above-mentioned technical scheme, the support frame can slide on the slide bar, and when the alignment of grip block and through-hole produced less deviation, the spring provided certain buffer stroke for the removal of support frame, is convenient for the heating pipe insert in the through-hole.

The utility model discloses further set up to: and a connecting piece for connecting the connecting plate and the die is arranged on the connecting plate.

Through adopting above-mentioned technical scheme, the stability of work and placing in-process connecting plate position can be increased in the connection of connecting plate and mould.

The utility model discloses further set up to: and a cushion block for enabling a gap to exist between the die and the connecting plate is fixed on one side of the connecting plate close to the die.

Through adopting above-mentioned technical scheme, the cushion makes to have the clearance between mould and the connecting plate, and the clearance supplies placing of connecting block, places at the connecting piece connection in-process for the connecting block excessively is close to the mould and causes to connect fast damage, increases the life of connecting block.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the connecting block is connected with the connecting plate through the second bolt and is aligned with the through hole, the heating pipes are fixed through the clamping plate, so that the heating pipes are simultaneously installed on one connecting plate, and the heating pipes can be conveniently and simultaneously inserted into the mold or pulled out of the mold by moving the connecting plate;

2. the supporting block which is connected with the connecting block in a sliding mode can drive the position of the supporting frame to change, so that the heating pipe is more convenient to align with the through hole, and the heating pipe is convenient to insert;

3. the cushion makes to have the clearance between mould and the connecting plate, and the clearance supplies placing of connecting block, places at the connecting piece connection in-process for the connecting block excessively is close to the mould and causes to connect fast damage, increases the life of connecting block.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of a mold;

FIG. 3 is a schematic view showing a structure of a connection plate;

FIG. 4 is a schematic structural view of a connecting block;

fig. 5 is a sectional view of the connecting block.

In the figure: 1. a mold; 11. a through hole; 2. heating a tube; 3. a connecting plate; 31. a strip hole; 32. cushion blocks; 33. a first bolt; 4. a connecting device; 41. connecting blocks; 411. a T-shaped slot; 412. a screw; 42. a second bolt; 43. a support block; 431. a T-shaped block; 432. fixing the rod; 433. a spring; 434. a chute; 44. a support frame; 441. a slider; 45. a clamping plate; 46. a threaded rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a sand core preparation mold is shown in figure 1 and comprises a mold 1, a heating pipe 2 inserted into the mold 1, a connecting plate 3 arranged on one side of the mold 1 and a connecting device 4 arranged on the connecting plate 3 and used for connecting the heating pipe 2. The connecting device 4 is located on the side of the connecting plate 3 close to the mould 1.

Referring to fig. 1 and 2, the number of the molds 1 is two, and cavities for molding the sand cores are arranged on the sides close to each other. A plurality of through holes 11 are formed in one side of the die 1, and the heating pipes 2 are placed in the through holes 11. The positions where the through holes 11 are opened are different because the shapes (depths) of the cavities are different.

Referring to fig. 3, the connecting plate 3 is provided with a plurality of elongated holes 31, and the elongated holes 31 are parallel to each other. The connecting means 4 are arranged on the elongated hole 31. A cushion block 32 is fixed on one side of the connecting plate 3 close to the die 1, and a gap for placing the connecting device 4 is formed between the connecting plate 3 and the die 1 through the cushion block 32. The connecting plate 3 is further in threaded connection with a first bolt 33, and the first bolt 33 can penetrate through the cushion block 32 to be in threaded connection with the die 1, so that the connecting plate 3 is fixed.

Referring to fig. 4 and 5, the connecting device 4 includes a connecting block 41 disposed on a side of the connecting plate 3 close to the mold 1 and abutting against the connecting plate 3, a second bolt 42 capable of passing through the elongated hole 31 and threadedly connected to the connecting block 41, a supporting block 43 slidably connected to a top end of the connecting block 41, a supporting bracket 44 slidably connected to the supporting block 43, a clamping plate 45 disposed on the supporting bracket 44, and a threaded rod 46 threadedly connected to the supporting bracket 44 and rotatably connected to the clamping plate 45.

The shank of the second bolt 42 can pass through the web 3, but the head cannot. When the second bolt 42 is tightened, the resistance to relative sliding between the connecting block 41 and the connecting plate 3 increases, so that the connecting block 41 is difficult to slide on the connecting plate 3, and the connecting block 41 is fixed.

The bottom mounting of supporting shoe 43 has T-shaped piece 431, and the gliding T-slot 411 of confession T-shaped piece 431 is seted up on the top of connecting block 41, and the internal rotation of T-slot 411 is connected with screw rod 412, and screw rod 412 and T-shaped piece 431 threaded connection, and the position that can drive T-shaped piece 431 through rotating screw rod 412 changes to the position that drives supporting shoe 43 changes.

The top of supporting shoe 43 has seted up spout 434, and spout 434 internal fixation has dead lever 432, has cup jointed spring 433 on the dead lever 432. A sliding block 441 which slides in the sliding groove 434 is fixed at the bottom end of the supporting frame 44; the fixing rod 432 passes through the slider 441 and is slidably coupled to the slider 441. The number of the sliding blocks 441 is two, and the two sliding blocks are respectively located at two ends of the supporting frame 44. The number of springs 433 is two and the same size and all in a compressed state. Respectively located on both sides of the chute 434; both ends of the spring 433 abut against the ends of the slider 441 and the sliding groove 434, respectively.

The cross-section of the support frame 44 is U-shaped and includes a horizontal section horizontally disposed and a vertical section vertically fixed at both ends of the horizontal section. Threaded rods 46 are threaded onto the vertical sections of the support brackets 44. The clamping plates 45 are arc-shaped, and the distance between the two clamping plates 45 can be changed by rotating the threaded rod 46, thereby fixing the heating pipe 2 placed between the two clamping plates 45.

The using method comprises the following steps: the connecting blocks 41 with the same number as the through holes are arranged on the connecting plate 3, the positions of the connecting blocks 41 and the supporting blocks 43 are adjusted, so that the clamping plates 45 can be aligned with the through holes 11, then the heating pipe 2 is fixed, and the connecting plate 3 provided with the heating pipe 2 moves towards the direction close to the die 1, so that the connecting pipe is inserted into the through holes 11. When taking out, directly move connecting plate 3, conveniently take out a plurality of heating pipes 2 simultaneously.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a psammitolite preparation mould, includes mould (1), inserts heating pipe (2) inside mould (1), offers on mould (1) and supplies heating pipe (2) male through-hole, its characterized in that: a connecting plate (3) is arranged on one side of the die (1), and a connecting device (4) for connecting the heating pipe (2) is arranged on the connecting plate (3); the connecting plate is characterized in that a plurality of strip holes (31) are formed in the connecting plate (3), the connecting device (4) comprises a connecting block (41), a second bolt (42) which penetrates through the strip holes (31) and is in threaded connection with the connecting block (41), a supporting frame (44) which is arranged on the connecting block (41) and has a U-shaped cross section, threaded rods (46) which are in threaded connection with the two ends of the supporting frame (44) and a clamping plate (45) which is rotatably connected to one side, which is close to the threaded rods (46), wherein the clamping plate (45) is arc-shaped.

2. The sand core making mold of claim 1, wherein: the connecting block (41) is connected with a supporting block (43) in a sliding mode, and the supporting frame (44) is arranged on the supporting block (43).

3. The sand core making mold of claim 2, wherein: one side of the supporting block (43) close to the connecting block (41) is provided with a T-shaped groove (411), the supporting block (43) is provided with a T-shaped block (431) sliding in the T-shaped groove (411), and a screw (412) in threaded connection with the T-shaped block (431) is rotationally connected in the T-shaped groove (411).

4. The sand core making mold of claim 3, wherein: a sliding groove (434) is formed in the supporting block (43), and a sliding block (441) which slides in the sliding groove (434) is fixed on one side, close to the sliding groove (434), of the supporting frame (44); a fixing rod (432) penetrating through the sliding block (441) is fixed in the sliding groove (434), springs (433) are sleeved at two ends of the fixing rod (432), and two ends of each spring (433) are respectively abutted to the ends of the sliding block (441) and the sliding groove (434).

5. The sand core making mold of claim 1, wherein: and a connecting piece for connecting the connecting plate (3) and the die (1) is arranged on the connecting plate (3).

6. The sand core making mold of claim 5, wherein: and a cushion block (32) for enabling a gap to exist between the die (1) and the connecting plate (3) is fixed on one side of the connecting plate (3) close to the die (1).