Hoisting tool for mold insert

Abstract

The utility model relates to the technical field of dies, in particular to a die insert hoisting tool which comprises a mounting hole formed in an insert. The mounting hole comprises a counter bore section and a threaded section which are communicated in sequence, and the mounting hole is formed in the center of the surface of the mold in a penetrating manner; a special-shaped part is fixed in the mounting hole and comprises a disc section and a cylindrical section which are integrally formed, the disc section is in clearance fit with the interior of the counter bore section, the surface of the disc section is flush with the surface of the mold, the cylindrical section is located in the threaded section, and the diameter of the disc section is larger than that of the threaded section; the diameter of the cylindrical section is smaller than that of the threaded section. According to the scheme, the stability of insert lifting can be guaranteed, meanwhile, the threads in the lifting holes can be prevented from being rusted and damaged, and the safety and reliability of lifting are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mould, concretely is a hoisting tool of mould insert. BACKGROUND

[0002] The mould is a tool for forming various materials (such as plastics, metal, rubber, etc.) in industrial production, which has a specific shape, and by exerting external force on raw materials, and cooperating with the specific shape surface of the mould, the physical state of the raw materials can be changed to realize the forming processing of complex shape.

[0003] For some complex mould, some inserts are also provided on the mould body, the insert is insertable in the accessory of the mould, in actual production, the size of some parts in the mould may need to be modified, and the overall cost of the mould is high, therefore, the split type insert structure is used for the parts needing to be modified in size frequently, which can facilitate disassembly and replacement, and multiple inserts can be designed as backup, so that the cost is saved and the production efficiency is improved.

[0004] For large mould, the weight of the insert is heavy, and hoisting equipment needs to be used for hoisting during disassembly or transportation, and the structure shape of some inserts cannot be fixed with the hook used for hoisting, therefore, the hoisting hole needs to be provided for the inserts, such as the prior art "hoisting hole structure of mould insert" (publication number: CN203155837U), the screw through hole and the countersunk hole are provided on the insert block to fix the hoisting device, so that the insert can be disassembled, but the prior art still has the following technical problems:

[0005] The hoisting hole is provided on the insert in the prior art, dust and water can easily enter the hoisting hole, the thread groove in the hoisting hole is blocked or the thread is rusted, so that the hoisting device cannot be installed in the hoisting hole for normal hoisting, or after the lifting ring screw is installed in the hoisting hole, the hoisting insert is unstable due to the rust damage of the thread in the hoisting hole, which can easily cause safety accidents. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of hoisting tool of mould insert, can solve the problem that existing insert is prone to cause dust and water to enter hoisting hole, block the thread groove in hoisting hole or cause thread rust, so that lifting ring screw cannot be installed in hoisting hole for safe hoisting.

[0007] The application provides the following technical scheme: a kind of hoisting tool of mould insert, including installation hole being provided on insert block;

[0008] The installation hole includes counterbore section and thread section communicated in sequence, and installation hole is provided at the center of mould surface and is communicated;

[0009] The mounting hole is fixed with a special-shaped part, the special-shaped part includes an integrally formed disc segment and a cylindrical segment, the disc segment is clearance fitted in the counterbore segment, and the surface of the disc segment is flush with the surface of the mold, the cylindrical segment is located in the threaded segment, the diameter of the disc segment is greater than the diameter of the threaded segment, and the diameter of the cylindrical segment is less than the diameter of the threaded segment.

[0010] Beneficial effects:

[0011] Avoiding thread blockage and rust damage, improving lifting safety. When lifting operation is needed, the special-shaped part is removed, the lifting ring screw can be connected to the threaded segment, and the mounting hole is opened at the center of the mold surface, so that the inlay can be uniformly stressed during lifting, ensuring the stability of the inlay lifting. When not lifting, the disc segment of the special-shaped part is located in the counterbore segment, and the diameter of the disc segment of the special-shaped part is greater than the diameter of the threaded segment, so that the disc segment can block the threaded segment, prevent dust and impurities and water stains from entering the threaded segment, avoid causing the threaded groove to be blocked, so as to ensure that the lifting ring screw can be smoothly installed in the mold to realize lifting, and also avoid the case that the lifting screw is not stably installed due to rust damage of the thread, improve the safety and reliability of lifting.

[0012] Further, a locking threaded hole is formed in the cylindrical segment.

[0013] Beneficial effects: The locking threaded hole of the cylindrical segment facilitates the use of locking parts to fix the special-shaped part in the mounting hole, realizes quick replacement, and improves convenience.

[0014] Further, a connecting piece is further included, an end of the connecting piece is provided with a thread, and the end of the connecting piece is connected and fixed into the locking threaded hole of the cylindrical segment from the center of the inlay.

[0015] Beneficial effects: The connecting piece is inserted into the locking threaded hole of the cylindrical segment from the center of the inlay, and the disc segment of the special-shaped part is located in the counterbore segment, so as to tension the special-shaped part and realize the fixation of the special-shaped part.

[0016] Further, a large end is arranged at an end of the connecting piece away from the threaded end, and the diameter of the large end is greater than the diameter of the rod part of the connecting piece.

[0017] Beneficial effects: The large end of the connecting piece can prevent the connecting piece from passing through the center of the inlay, so as to realize the tensioning of the special-shaped part by the connecting piece.

[0018] Further, the mounting hole further includes a via segment communicated below the threaded segment, and the rod part of the connecting piece is located in the via segment.

[0019] Beneficial effects: The via segment facilitates the passage of the rod part of the connecting piece, prevents the inlay from contacting and interfering with the rod part of the connecting piece, and improves the locking stability of the connecting piece to the special-shaped part.

[0020] Further, the mounting hole further comprises a deep hole section communicated below the through hole section, and the large end of the connecting piece is located in the deep hole section.

[0021] Beneficial effects: the deep hole section can accommodate the large end of the connecting piece, so that the connecting piece is entirely sunk into the insert, preventing interference of the connecting piece at the connecting part of the insert and the mold body, and improving processability.

[0022] Further, the connecting piece is threadedly connected in the insert block, the upper end of the connecting piece extends out of the top of the special-shaped piece, and the top end of the connecting piece is provided with a hexagonal head, the special-shaped piece is threadedly connected with the connecting piece, a rubber pad is sleeved above the special-shaped piece, and a nut is arranged above the rubber pad.

[0023] Beneficial effects: the connecting piece can be taken out from directly above the insert block by rotating the hexagonal head with a wrench, so that the special-shaped piece can be quickly removed, and the nut can press the rubber pad to block the gap of the threaded connection part of the connecting piece and the special-shaped piece, prevent external water vapor from entering the threaded section, and avoid causing the thread to rust. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure front view of the utility model.

[0025] Figure 2 It is Figure 1 It is a front view of the insert block after the special-shaped piece and the connecting piece are removed.

[0026] Figure 3 It is Figure 1 It is a front view of the special-shaped piece.

[0027] Figure 4 It is a front view of the second embodiment. DETAILED DESCRIPTION

[0028] The following will be further described in detail through specific embodiments:

[0029] The marks in the drawings of the specification comprise: an insert block 1, a threaded section 2, a special-shaped piece 3, a disc section 31, a cylindrical section 32, a locking threaded hole 33, a connecting piece 4, a through hole section 5, a large end 6, a deep hole section 7, and a counterbore section 8.

[0030] Embodiment one

[0031] As shown in Figures 1 to 3 A hoisting tool for a mold insert block, comprising a mounting hole formed in the insert block 1, a special-shaped piece 3 located in the mounting hole, and a connecting piece 4 for fixing the special-shaped piece 3 on the insert block 1.

[0032] As shown in Figure 2As shown, the mounting hole is provided through the middle axis of the insert 1, and the mounting hole includes a counterbore section 8, a threaded section 2, a through-hole section 5 and a deep hole section 7 in sequence, and the threaded section 2 is internally threaded to facilitate the installation of the lifting screw.

[0033] As shown in Figure 3 The special-shaped part 3 includes a disc section 31 and a cylindrical section 32, and the cylindrical section 32 is provided with a locking threaded hole 33 in the center, the disc section 31 is clearance fitted in the counterbore section 8, and when the special-shaped part 3 is correctly assembled in the mounting hole, the upper surface of the disc section 31 is flush with the surface of the mold, the cylindrical section 32 is located in the threaded section 2, the diameter of the disc section 31 is greater than that of the threaded section 2, and the diameter of the cylindrical section 32 is smaller than that of the threaded section 2, so that the disc section 31 can block the threaded section 2, prevent dust, impurities and water stains from entering the threaded section 2, avoid the threaded groove from being blocked, and ensure that the lifting ring screw can be smoothly installed in the insert 1 to realize lifting during subsequent lifting operation, and also avoid the situation that the lifting screw is not stably installed due to rust damage of the threaded section, thereby improving the safety and reliability of lifting.

[0034] As shown in Figure 1 The connecting piece 4 includes a rod portion and a large head end 6, the rod portion of the connecting piece 4 extends into the locking threaded hole 33 of the cylindrical section 32 from the through-hole section 5 to be connected and fixed, so as to tension the special-shaped part 3 and fix the special-shaped part 3 on the insert 1, and also facilitate quick disassembly and replacement. The large head end 6 of the connecting piece 4 has a diameter greater than that of the rod portion of the connecting piece 4, and the large head end 6 is located in the deep hole section 7; the deep hole section 7 can accommodate the large head end 6 of the connecting piece 4, so that the connecting piece 4 is entirely sunk into the insert 1, preventing the connecting piece 4 from interfering with the connecting part of the insert 1 and the mold body, and improving the processability.

[0035] The use method of the tooling is as follows:

[0036] When lifting operation is needed, the special-shaped part 3 is removed, and the lifting ring screw is screwed into the threaded section 2, so that normal lifting can be performed by using lifting equipment; when lifting is not performed, the special-shaped part 3 is placed in the mounting hole, so that the disc section 31 of the special-shaped part 3 is located in the counterbore section 8, and the cylindrical section 32 is located in the threaded section 2, and the special-shaped part 3 is locked by using the connecting piece 4, so that the disc section 31 can block the threaded section 2, prevent dust, impurities and water stains from entering the threaded section 2, avoid the threaded groove from being blocked, and ensure that the lifting ring screw can be smoothly installed in the mold to realize lifting during subsequent lifting operation, and also avoid the situation that the lifting screw is not stably installed due to rust damage of the threaded section, thereby improving the safety and reliability of lifting.

[0037] Example Two

[0038] As shown in Figure 4As shown, the difference between the embodiment and the embodiment one is that the connecting piece 4 is screwed in the insert block 1, the upper end of the connecting piece 4 extends out of the top of the special-shaped piece 3, and the top end of the connecting piece 4 is provided with a hexagonal head 9, the special-shaped piece 3 is screwed with the connecting piece 4, a rubber pad 11 is sleeved above the special-shaped piece 3, and a nut 10 is arranged above the rubber pad 11.

[0039] The embodiment can use a wrench to rotate the hexagonal head 9 to take out the connecting piece 4 from the top of the insert block 1, thereby quickly dismounting the special-shaped piece 3, and meanwhile the nut 10 can press the rubber pad 11 to block the gap of the threaded connection between the connecting piece 4 and the special-shaped piece 3, prevent external water vapor from entering the inside of the threaded section 2, and avoid causing the thread to rust.

[0040] The above is only the embodiment of the utility model, and the utility model is not limited to the field involved in the embodiment, and the common knowledge such as specific structures and characteristics in the scheme is not described too much herein. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the effect and practicality of the utility model. The protection scope of the application should be subject to the content of the claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A mold insert hoisting tool, characterized by, The installation hole is arranged on the insert; The installation hole comprises a threaded section and a counterbore section which are communicated in sequence, and the installation hole is arranged through the center of the surface of the mold; The installation hole is fixed with a special-shaped part, the special-shaped part comprises a disc section and a cylindrical section which are integrally formed, the disc section is clearance fit in the counterbore section, and the surface of the disc section is flush with the surface of the mold, the cylindrical section is located in the threaded section, the diameter of the disc section is larger than the diameter of the threaded section, and the diameter of the cylindrical section is smaller than the diameter of the threaded section.

2. The mold insert lifting tooling of claim 1, wherein: A locking threaded hole is further arranged on the cylindrical section.

3. The mold insert handling tool of claim 2, wherein: A connecting piece is further arranged, the end of the connecting piece is provided with a thread, and the end of the connecting piece is connected and fixed into the locking threaded hole of the cylindrical section from the center of the insert.

4. The mold insert handling tool of claim 3, wherein: The end of the connecting piece away from the threaded end is provided with a big head end, and the diameter of the big head end is larger than the diameter of the rod of the connecting piece.

5. The mold insert handling apparatus of claim 4, wherein: The installation hole further comprises a via section which is communicated below the threaded section, and the rod of the connecting piece is located in the via section.

6. A mould insert handling tool according to claim 5, characterised in that: The installation hole further comprises a deep hole section which is communicated below the via section, and the big head end of the connecting piece is located in the deep hole section.

7. The mold insert handling apparatus of claim 1, wherein: A connecting piece is further arranged, the connecting piece is threadedly connected in the insert, the upper end of the connecting piece is arranged outside the top of the special-shaped part, the top end of the connecting piece is provided with a hexagonal head, the special-shaped part is threadedly connected with the connecting piece, a rubber pad is sleeved above the special-shaped part, and a nut is arranged above the rubber pad.

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