CN107571458B - Fixing structure for hoisting inserts - Google Patents
Fixing structure for hoisting inserts Download PDFInfo
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- CN107571458B CN107571458B CN201711068439.8A CN201711068439A CN107571458B CN 107571458 B CN107571458 B CN 107571458B CN 201711068439 A CN201711068439 A CN 201711068439A CN 107571458 B CN107571458 B CN 107571458B
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Abstract
The invention discloses a fixing structure for hoisting an insert, and relates to the field of fixing structures of inserts. The movable block is detachably connected with the fixed block, when the movable block is connected with the fixed block, the first concave part of the fixed block and the second concave part of the movable block form a containing space for containing the insert, and the length of the fixing structure is smaller than that of the insert. The fixing structure for hoisting the insert solves the technical problem that the insert is easy to move due to pressure in the mould pressing process of a welding structure in the prior art. Compared with the prior art, the fixing of the insert is firmer, the insert is effectively prevented from moving due to overhigh molding pressure in the molding process, and the insert is easy to separate and detach.
Description
Technical Field
The invention relates to the field of fixing structures of inserts, in particular to a fixing structure for hoisting an insert.
Technical Field
Lifting bars are an important component of liner plates inside semi-autogenous mills, ball mills, rod mills, tube mills, blendors, and the like. Due to the large volume and heavy weight of the lifting bars, lifting is required in the installation and transportation processes. For convenient lifting, inserts are usually required to be embedded in the preparation process of lifting strips, and the lifting strips are required to fix the inserts in the mould pressing process so as to ensure the accuracy of the positions of the inserts.
In the prior art, the fixing of the inserts is mainly realized by adopting welding fixation, namely, the inserts are fixed on a steel plate at the bottom of the lifting bar through welding, and the movable blocks are combined, so that the inserts are buried inside the lifting bar, the surface of the lifting bar is reserved, the inserts are exposed outside, and the movable blocks are disassembled after the demoulding is finished by mould pressing.
However, as the welding structure is adopted for fixing in the prior art, the too high compression molding pressure of the lifting bar in the compression molding process can cause loosening of the welding structure, and the insert moves, so that the position of the insert is inaccurate; in addition, in the prior art, the movable block is not connected with the die, a gap is formed in the contact surface, rubber overflows and covers the surface of the fixed structure in the die pressing process, and the disassembly difficulty of the movable block is increased.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a fixing structure for hoisting an insert, which solves the technical problem that the insert is easy to move due to pressure in the mould pressing process of a welding structure in the prior art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides a fixing structure for hoisting an insert, which comprises a fixed block and a movable block, wherein the fixed block and the movable block are used for being fixed to a lifting bar mould, a first concave part is arranged at the lower end of the fixed block, a second concave part is arranged at the upper end of the movable block, the movable block is detachably connected with the fixed block, when the movable block is connected with the fixed block, the first concave part of the fixed block and the second concave part of the movable block form a containing space for containing the insert, and the length of the fixing structure is smaller than that of the insert.
Preferably, a groove is formed at a lower end of the fixed block, the first recess 1 is formed at a top surface of the groove, and the movable block is inserted into the groove.
Preferably, both sides of the movable block are provided with a limiting part, and the fixed block is provided with a limiting groove matched with the limiting part.
Preferably, the movable block and the fixed block are made of magnetic materials, a magnet is embedded in the movable block, and the fixed block is magnetically connected with the movable block.
Preferably, the number of the magnets is plural, and the plural magnets are distributed in the movable block at intervals along the longitudinal direction of the movable block.
Preferably, the upper end of the fixing block further includes a connection part for connecting with a mold.
Preferably, the connecting portion is screwed with the die.
Preferably, the bottom of the fixing structure adopts a cambered surface protruding downwards.
(III) beneficial effects
The invention provides a fixing structure for hoisting an insert, which has the following beneficial effects compared with the prior art:
1. the invention comprises a fixed block and a movable block, wherein the fixed block and the movable block are used for being fixed on an injection mold of a lifting bar, the lower end of the fixed block is provided with a first concave part, the first concave part is connected with the movable block provided with a second concave part to form an accommodating space of an insert, the insert is placed in the second concave part of the movable block, the insert is placed in the accommodating space after being connected with the fixed block, the fixed block and the movable block firmly fix the insert through connection, and the insert cannot move due to overhigh molding pressure in the molding process;
because fixed block and mould zonulae occludens reduce the clearance between fixed block and the mould contact surface, effectively prevent that the lifter from having rubber to spill over the surface of covering at fixed knot structure in the mould pressing process, make things convenient for the dismantlement of movable block.
2. According to the invention, the two sides of the movable block are provided with the limiting parts, and the fixed block is provided with the limiting grooves matched with the limiting parts of the movable block, so that the movable block is effectively prevented from axially moving along the insert in the mould pressing process under the restraint effect of the limiting grooves of the fixed block.
3. The fixed block and the movable block are both made of magnetic materials, the magnet is embedded in the movable block, the fixed block, the insert and the movable block are fixedly connected to form a whole through the magnetic effect, the firmness of a fixed structure is ensured, and meanwhile, when the lifting bar is demolded after mold pressing is finished, the movable block and the fixed block can be separated only by applying a certain thrust force for overcoming magnetism, so that the demolding and the disassembly are easy.
4. The bottom of the fixing structure adopts the cambered surface protruding downwards, the lifting bar is demoulded after injection molding, the fixed block is separated from the movable block, the movable block is still reserved in the lifting bar, and the movable block can be conveniently taken out by taking the insert as an axis to rotate only by applying certain pressure to one side of the movable block, so that the movable block is easy to detach and separate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a securing structure for a hoist insert according to embodiment 1 of the present invention;
FIG. 2 is a perspective view of a fixing structure of the hoist insert according to embodiment 2 of the present invention;
FIG. 3 is a side view of the securing structure of the hoist insert of embodiment 2 of the present invention;
FIG. 4 is a top view of a movable block of the fixed structure of the hoist insert of embodiment 2 of the present invention;
FIG. 5 is a side view of a movable block of the fixed structure of the hoist insert of embodiment 2 of the present invention;
fig. 6 is a front view of a movable block of a fixed structure of a hoist insert according to embodiment 2 of the present invention.
In the figure, a fixed block 1, a movable block 2, a magnet 3, an insert 4, a connecting part 5, a groove 6, a limiting part 7, a second concave part 8, a limiting groove 9 and a second concave part 10.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the fixing in the prior art is realized by welding, while the movable block in the prior art is used for reserving an opening to expose the insert, so that the operation is complex; in addition, in the molding process of the welding structure, the welding structure is loosened due to the fact that the molding pressure is too high, and the insert moves, so that the position of the insert is inaccurate; the movable block has the clearance with mould surface contact surface, has rubber to spill over and cover on the movable block in the mould pressing process, has increased the dismantlement degree of difficulty of movable block, is unfavorable for dismantling through two fixed movable blocks of bolt in addition after the completion of moulding plastics.
In view of the above-mentioned drawbacks, as shown in fig. 1, an embodiment of the present invention provides a fixing structure for lifting an insert, which includes a fixing block 1 and a movable block 2 for fixing to a lifter molding die, wherein a first recess 10 is provided at a lower end of the fixing block 1, a second recess 8 is provided at an upper end of the movable block, the movable block 2 is detachably connected to the fixing block 1, and when the movable block 2 is connected to the fixing block 1, the first recess 10 of the fixing block and the second recess 8 of the movable block 2 form a receiving space for receiving the insert 4, and a length of the fixing structure is smaller than a length of the insert 4.
According to the embodiment of the invention, through the structure, the insert is arranged in the second concave part of the movable block, the movable block is fixedly connected with the fixed block, the insert is positioned in the accommodating space formed by the first concave part of the fixed block and the second concave part of the movable block, and two ends of the fixed structure are provided with the extending parts, the fixed block and the movable block are fixedly connected with each other to firmly fix the insert, and the insert cannot move due to overhigh molding pressure in the molding process; and the two steps of fixing the insert and reserving the opening of the insert are simplified into one step, so that the operation is convenient.
Because fixed block and mould zonulae occludens reduce the clearance between fixed block and the mould contact surface, effectively prevent that the lifter from having rubber to spill over the surface of covering at fixed knot structure in the mould pressing process, make things convenient for the dismantlement of movable block.
Preferably, a groove 6 is provided at a lower end of the fixed block 1, the first recess 10 is formed on a top surface of the groove 6, and the movable block 2 is inserted into the groove 6.
As a preferable mode, the two sides of the movable block 2 are provided with a limit part 7, and the fixed block 1 is provided with a limit groove 9 matched with the limit part.
According to the embodiment of the invention, through the preferable mode, the limiting parts are arranged on the two sides of the movable block, meanwhile, the fixed block is provided with the limiting groove matched with the limiting parts of the movable block, and the movable block is effectively prevented from axially moving along the insert in the mould pressing process under the restraining effect of the limiting groove of the fixed block.
Preferably, the movable block 2 and the fixed block 1 are made of magnetic materials, the magnet 3 is embedded in the movable block 2, and the fixed block 1 and the movable block 2 are magnetically connected.
In a preferred embodiment, the number of the magnets 3 is plural, and the plural magnets are distributed in the movable block at intervals along the longitudinal direction of the movable block.
According to the embodiment of the invention, through the preferred mode, the fixed block and the movable block are made of magnetic materials, the magnet is embedded in the movable block, the fixed block, the insert and the movable block are fixedly connected to form a whole through the magnetic effect, the firmness of a fixed structure is ensured, and meanwhile, when the lifting strip is demolded after injection molding is finished, the movable block and the fixed block can be separated only by applying a certain thrust force for overcoming the magnetism, so that the demolding and the disassembly are easy.
As a preferable mode, the upper end of the fixing block 1 further includes a connection part 5 for connecting with a mold.
Preferably, the connecting portion 5 is screwed to the mold.
As a preferred mode, the bottom of the fixing structure adopts a downward protruding cambered surface.
According to the embodiment of the invention, through the preferred mode, the bottom of the fixed structure adopts the downward protruding cambered surface, after the lifting bar is molded, the demolding fixed block is separated from the movable block, the movable block is still reserved in the lifting bar, and only a certain pressure is applied to one side of the movable block, the movable block rotates by taking the insert as an axis, so that the movable block can be conveniently taken out, and the movable block is easy to detach and separate.
It will be understood by those skilled in the art that, in order to achieve the connection between the fixing block 1 and the mold, the connection is not limited to the threaded connection, and any one of welding, riveting, bolting, and bonding may be used. The fixed block 1 and the movable block 2 can be detachably connected and can be any one of magnetic connection, threaded connection and riveting.
The following is a detailed description of specific embodiments
Example 1: as shown in fig. 1, an embodiment of the present invention provides a fixing structure for a hoist insert, including a fixed block 1 and a movable block 2 for fixing to a lifter bar molding die, the fixed block 1 being connected to the lifter bar molding die by welding. In other embodiments of the present invention, the fixing block 1 and the lifter bar molding mold may be welded, riveted, bolted, or bonded.
The lower end of the fixed block 1 is provided with a first concave part 10, the upper end of the movable block is provided with a second concave part 8, the movable block 2 is connected with the fixed block 1 through a threaded connection, when the movable block 2 is connected with the fixed block 1, the first concave part 10 of the fixed block and the second concave part 8 of the movable block 2 form a containing space for containing the insert 4, and the length of the fixed structure is smaller than that of the insert 4. When the die pressing device is used, the insert is placed in the second concave part 8 of the movable block, the insert is placed in the accommodating space after being connected with the fixed block 1, the fixed block 1 and the movable block 2 are firmly fixed through connection, and the insert cannot move due to overhigh die pressing pressure in the die pressing process.
In other embodiments of the present invention, the bottom of the fixing structure may be a downwardly protruding arc surface.
Example 2: as shown in fig. 2 to 6, the fixing structure of the lifting insert according to the embodiment of the invention includes a fixed block 1 and a movable block 2, wherein the fixed block 1 is fixed to a lifting bar mold, a connecting portion 5 connected to the lifting bar mold is provided at the upper end of the fixed block 1, a bolt hole for connecting to the lifting bar mold is provided on the connecting portion 5, and the fixed block 1 is fixedly connected to the lifting bar mold through threaded connection.
The fixed block 2 lower extreme sets up recess 6, and the recess 6 top surface sets up first concave part 10, and movable block 2 upper end sets up second concave part 8, and the member inserts are arranged in the second concave part 8 of movable block 2, along with movable block 2 peg graft together in the recess of fixed block 1, and fixed block 1 and movable block 2 are firmly fixed the inserts in the accommodation space that first concave part 10 and second concave part 8 constitute through detachable fixed connection, and the inserts all have the extension at fixed knot constructs's both ends.
The both sides of movable block 2 still are provided with spacing portion 7, and fixed block 1 is provided with spacing portion 7 complex spacing groove 9, and spacing portion 7 and spacing groove 9 block behind the grafting of the surplus fixed block of movable block 2 have effectually prevented that movable block 2 from taking place axial float along inserts 4 in the lifter mould pressing process under the restriction of spacing groove.
For convenient drawing of patterns dismantlement, fixed block 1 and movable block 2 all adopt magnetic material, and the inside several magnet of following length direction interval distribution of movable block 2, fixed block 1 and movable block 2 pass through the magnetism to be connected, and fixed knot constructs the lower extreme and establishes to the cambered surface that protrudes downwards. After the mould pressing of the lifting bar is finished, the movable block 1 and the fixed block 2 can be separated only by applying certain magnetic thrust, at the moment, the movable block 2 is still reserved in the lifting bar, only certain pressure is applied to one side of the movable block 2, and the movable block 2 rotates by taking the insert as an axis, so that the movable block 2 can be conveniently taken out.
Example 3: in comparison with the embodiment 1, the lower end of the fixed block 1 is also provided with a groove 6, the first concave part 10 is arranged on the top surface of the groove 6, and the movable block 2 is inserted into the groove 6.
Example 4: compared with the embodiment 3, other structures are the same, in this embodiment, a fixing structure for hoisting an insert is provided with a limiting portion 7 on both sides of the movable block 2, and a limiting groove 9 matched with the limiting portion is provided on the fixing block 1.
Example 5: in comparison with embodiment 3, the movable block 2 and the fixed block 1 are made of magnetic materials, the magnet 3 is embedded in the movable block 2, and the fixed block 1 and the movable block 2 are magnetically connected.
Example 6: in comparison with embodiment 4, the movable block 2 and the fixed block 1 are made of magnetic materials, the magnet 3 is embedded in the movable block 2, and the fixed block 1 and the movable block 2 are magnetically connected.
Example 7: the bottom of the above-described fixing structure may employ a downwardly protruding arc surface, as compared with embodiment 6, otherwise, the same structure.
Example 8: compared with the embodiment 4, other structures are the same, the upper end of the fixing block 1 is provided with a connecting part 5 connected with the lifting bar lifting die, the connecting part 5 is provided with a bolt hole for connecting with the lifting bar lifting die, and the fixing block 1 is fixedly connected with the lifting bar die through threaded connection.
In summary, the fixing structure for hoisting the insert according to the embodiment of the invention has the following beneficial effects compared with the prior art:
1. the embodiment of the invention comprises a fixed block and a movable block, wherein the fixed block and the movable block are used for being fixed on a lifting bar mould pressing mould, the lower end of the fixed block is provided with a first concave part, the first concave part is connected with the movable block provided with a second concave part to form an accommodating space of an insert, the insert is placed in the second concave part of the movable block, the insert is placed in the accommodating space after being connected with the fixed block, the fixed block and the movable block firmly fix the insert through fixed connection, and the insert cannot move due to overhigh mould pressing pressure in the mould pressing process. Because fixed block and mould zonulae occludens reduce the clearance between fixed block and the mould contact surface, effectively prevent that the lifter from having rubber to spill over the cover at fixed knot structure surface in the mould pressing process, make things convenient for the dismantlement of movable block.
2. According to the embodiment of the invention, the limiting parts are arranged on two sides of the movable block, the fixed block is provided with the limiting grooves matched with the limiting parts of the movable block, and the movable block is effectively prevented from axially moving along the insert in the mould pressing process under the restraining effect of the limiting grooves of the fixed block.
3. The fixed block and the movable block are made of magnetic materials, the magnet is embedded in the movable block, the fixed block, the insert and the movable block are fixedly connected to form a whole through the magnetic effect, the firmness of a fixed structure is guaranteed, and meanwhile, when demoulding is carried out after mould pressing of the lifting bar is finished, the movable block can be separated from the fixed block only by applying a certain thrust force for overcoming magnetism, and the demoulding and the disassembly are easy.
4. According to the embodiment of the invention, the bottom of the fixing structure adopts the cambered surface protruding downwards, the lifting bar is demoulded after mould pressing, the movable block is still reserved in the lifting bar after the fixed block is separated from the movable block, and the movable block can be conveniently taken out by taking the insert as an axis to rotate only by applying certain pressure to one side of the movable block, so that the movable block is easy to detach and separate.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The fixing structure for hoisting the inserts is characterized by comprising a movable block (2) and a fixed block (1) for being fixed to a lifter bar mould pressing die, wherein a second concave part (8) is arranged at the upper end of the movable block, a first concave part (10) is arranged at the lower end of the fixed block (1), and the movable block (2) is detachably connected with the fixed block (1);
when the movable block (2) is connected with the fixed block (1), a first concave part (10) of the fixed block and a second concave part (8) of the movable block (2) form a containing space for containing the insert (4), and the length of the fixed structure is smaller than that of the insert (4);
both sides of the movable block (2) are provided with limiting parts (7), and the fixed block (1) is provided with limiting grooves (9) matched with the limiting parts (7);
the movable block (2) and the fixed block (1) are made of magnetic materials, a magnet (3) is embedded in the movable block (2), and the fixed block (1) is magnetically connected with the movable block (2);
the cross section of the accommodating space is round or elliptical;
the bottom of the fixing structure adopts a cambered surface protruding downwards;
demolding after the lifting bar is molded to separate the fixed block from the movable block, wherein the movable block is still reserved in the lifting bar;
and applying pressure to one side of the movable block to enable the movable block to rotate and take out by taking the insert as an axis, wherein the original movable block position forms a reserved insert opening.
2. A fixing structure according to claim 1, characterized in that the lower end of the fixing block (1) is provided with a groove (6), the first recess (10) is provided on the top surface of the groove (6), and the movable block (2) is inserted in the groove (6).
3. A fixed structure according to claim 1, wherein the number of magnets (3) is plural, and plural of the magnets are arranged in the movable block (2) at intervals along the length direction of the movable block.
4. A fixing structure according to any one of claims 1-3, characterized in that the fixing block (1) further comprises a connection (5) at its upper end for connection with a lifter bar moulding tool.
5. The fixing structure according to claim 4, wherein the connecting portion (5) is screwed with the lifter bar molding die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068439.8A CN107571458B (en) | 2017-11-03 | 2017-11-03 | Fixing structure for hoisting inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068439.8A CN107571458B (en) | 2017-11-03 | 2017-11-03 | Fixing structure for hoisting inserts |
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| Publication Number | Publication Date |
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| CN107571458A CN107571458A (en) | 2018-01-12 |
| CN107571458B true CN107571458B (en) | 2023-09-29 |
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| CN201711068439.8A Active CN107571458B (en) | 2017-11-03 | 2017-11-03 | Fixing structure for hoisting inserts |
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| CN107571458A (en) | 2018-01-12 |
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