CN217319104U - Mold for forming internal thread product by back-off screwing - Google Patents
Mold for forming internal thread product by back-off screwing Download PDFInfo
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- CN217319104U CN217319104U CN202220175752.1U CN202220175752U CN217319104U CN 217319104 U CN217319104 U CN 217319104U CN 202220175752 U CN202220175752 U CN 202220175752U CN 217319104 U CN217319104 U CN 217319104U
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Abstract
The utility model discloses a back-off screwing-out forming die for internal thread products, which comprises an upper die base, an upper die plate, an upper pressing block, outer wall die cores on the left side and the right side, a lower push rod, a guide pillar and guide sleeve component, a lower die plate, a lower die base, a pull rod component, a push block component and a spiral core pulling component, wherein the center of the upper die base is provided with an injection molding opening which is fixedly connected with the upper die plate, the lower end of the injection molding opening is communicated with a cavity of a forming cup sleeve which is composed of the die cores, the push block, the pull rod component and the pull rod component through a sub-runner, the spiral core pulling component comprises a hydraulic cylinder, a gear rack component, a driven gear, a positioning screw sleeve and a thread type block for forming threads on the inner wall of the cup sleeve, the outer wall die core which is arranged on the left side and the right side is adopted for forming the outer wall of the cup sleeve, and the upper pressing block and the lower pressing block in the vertical direction are used for forming the upper surface and lower surface structure of the cup sleeve in the vertical direction, and the complete thread structure of the inner wall is formed in the spiral drawing die way, the use quality and the structural strength of the cup sleeve product are improved.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to back-off revolves out mould of shaping internal thread product.
Background
The existing vacuum cup product is provided with a cup sleeve on the outer ring of a cup opening, referring to fig. 9 and 10, the front end of the cup sleeve is provided with a lock catch groove locked with an overturning cup cover, the rear end of the cup sleeve is provided with a hinged frame hinged with the overturning cup cover, when the cup sleeve is produced and prepared, in order to ensure the structural strength of the cup sleeve product and ensure the integral appearance quality of the cup sleeve, the flatness of the outer surface of the cup sleeve needs to be kept in the mold design and production, and the cup sleeve needs to be matched and screwed with the threads on the outer wall of the upper end opening of the cup body, therefore, the inner wall of the cup sleeve is also provided with threads, in order to ensure the use quality of the cup sleeve, the integral forming effect of the forming thread structure is ensured, the traditional mode of dividing the thread structure into two-end splicing forming is abandoned, therefore, a forming mold for designing the internal thread structure of the cup sleeve product needs to improve the use quality of the integral cup sleeve product, structural strength.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose: in view of the technical demand among the background, we design a mould of shaping internal thread product is unscrewed to back-off, the outer wall mould benevolence that the side set up about adopting, the outer wall of shaping glass holder cylinder type, and with the last briquetting of vertical direction and the shaping of lower surface structure design on with the glass holder of push down lever, wherein hasp groove structure adopts ejector pad mode side design shaping, articulated frame structure is with the horizontal direction mode of loosing core design shaping, for the thread forming of cooperation glass holder inner wall, under the condition of push down lever location and drawing die of being convenient for, with the complete helicitic texture of the mode shaping inner wall of spiral drawing die, promote the service quality of glass holder product, and the structure strength.
The technical scheme adopted for solving the problems is as follows:
the utility model provides a mould of shaping internal thread product is revolved out to back-off, includes outer wall mould benevolence, lower push rod, guide pillar guide pin bushing subassembly, lower bolster, die holder of upper die base, cope match-plate pattern, left and right sides and is used for the articulated pole subassembly of frame of shaping and is used for the ejector pad subassembly in shaping hasp groove to and be used for the spiral subassembly of loosing core of shaping internal thread structure.
The injection molding device is characterized in that an injection molding opening is formed in the center of the upper die base, the injection molding opening is fixedly connected with the upper die plate, the lower end of the injection molding opening is communicated with a cavity of a molding cup sleeve formed by each die core, the push block, the pull rod assembly and the pull core assembly through a sprue, upper press blocks are symmetrically arranged on two sides of the lower die plate, and the upper press blocks are cylindrical and are arranged right above the cavity.
The outer wall mold core molds the shape of the outer wall of the cup sleeve to be molded in a semi-cylindrical form, and the outer wall mold core is matched with the sliding grooves formed in the upper template and the lower template to horizontally slide to realize mold closing or mold opening.
The drawing rod component is horizontally arranged, and the position of the hinged frame of the forming cup sleeve in the cavity is horizontally sleeved to form the hinged shaft hole.
The push block assembly comprises a push block and an inclined guide rod, the inclined guide rod is in sliding fit with an inclined guide hole formed in the corresponding position of the upper template, the push block is matched with a sliding groove horizontally formed in the lower template, the inclined guide rod drives the push block to slide outwards or inwards under the action of mold opening or mold closing, and the push block is provided with a lock catch groove type cavity surface right facing the cavity.
The lower push rod is arranged vertically with the lower template, the upper end of the lower push rod is in an inverted cone shape, the lower portion of the lower push rod is in a cylindrical shape, and the periphery of the lower push rod is sleeved with a spiral core-pulling assembly.
The spiral loose core assembly comprises a hydraulic cylinder, a gear rack assembly, a driven gear, a positioning threaded sleeve and a threaded block of a formed cup sleeve inner wall thread, wherein the gear rack assembly comprises a driving gear and a rack, a hydraulic rod of the hydraulic cylinder is connected with the rack, the rack is meshed with the driving gear and drives the driving gear to rotate, the driving gear drives the driven gear to rotate, a push rod below the driven gear rotates for an axis, a drawing thread which is the same as the cup sleeve inner wall thread in a rotating direction is arranged at the lower end of the driven gear, the drawing thread is in threaded fit with the positioning threaded sleeve on the lower die base, the threaded block is fixedly connected with the upper end of the driven gear, the periphery of the threaded block is provided with a threaded cavity surface of the formed cup sleeve inner wall thread, and the threaded block rotates and performs synchronous drawing under the driving of the hydraulic cylinder.
Furthermore, cooling pipelines are further arranged in the upper template and the lower template so as to rapidly cool the injection molding raw materials after molding.
Furthermore, the guide pillar and guide sleeve assemblies are arranged at four corners of the lower die holder and are used for positioning the lower die holder, the lower die plate, the upper die plate and the upper die holder in a penetrating and sleeving matching manner.
Furthermore, a plurality of oblique guide holes are formed in the upper portion of the outer wall mold core and matched with oblique guide sliding rods fixedly connected to the lower end face of the upper template to drive the outer wall mold core to open and close the mold in the horizontal direction of the lower template.
Furthermore, the locating thread insert is fixedly connected to the lower die base through a limiting toothed plate and a bolt, the limiting toothed plate is provided with teeth meshed with peripheral teeth of the locating thread insert, and after the rotating angle is adjusted, the limiting toothed plate is meshed with the locating thread insert to be limited and is locked and fixed by the bolt.
Further, the upper end of the thread-shaped block is provided with an inverted cone-shaped avoiding groove for avoiding the pattern drawing action with an inverted cone-shaped structure arranged at the upper end of the lower push rod.
The utility model has the advantages that:
this mould of back-off screw-out shaping internal thread product adopts the outer wall mould benevolence of side setting about, the outer wall of shaping glass holder cylinder type, and with the last briquetting of vertical direction and the shaping of lower carriage structure design with the glass holder, wherein hasp groove structure adopts ejector pad mode side design shaping, articulated frame structure is with the horizontal direction mode of loosing core design shaping, for the thread forming of cooperation glass holder inner wall, under the condition of being convenient for lower carriage location and drawing die, with the complete helicitic texture of the mode shaping inner wall of spiral drawing die, promote the quality of use of glass holder product, structural strength.
Drawings
FIG. 1 is a schematic structural diagram of a mold for forming an internal threaded product by back-off spinning in the present embodiment;
FIG. 2 is a schematic structural view of the mold of this embodiment with the upper mold base, the upper mold plate, and the outer wall mold core on one side removed;
fig. 3 is a schematic structural view of the mold in the state where the upper mold base, the upper mold plate, the outer wall mold core on one side, and the lower mold plate are removed according to the embodiment;
fig. 4 is a schematic diagram illustrating a meshing state of the positioning threaded sleeve and the limiting toothed plate in the embodiment;
FIG. 5 is a side plan view of the upper press block, the cup holder product, the thread block, the driven gear, the positioning threaded sleeve, the limit toothed plate and the lower push rod according to the embodiment;
FIG. 6 is a side plan view of the upper pressing block, the cup holder product, the positioning threaded sleeve, the limiting toothed plate and the lower push rod according to the embodiment;
FIG. 7 is a schematic structural diagram of a combination of a thread form block and a driven gear according to the present embodiment;
fig. 8 is a schematic structural view of the push block according to the present embodiment;
FIG. 9 is a schematic structural view of the sleeve product according to the present embodiment;
FIG. 10 is a side bottom view of the sleeve product of this embodiment;
wherein, 1-an injection port, 2-an upper die holder, 3-an upper die plate, 4-a spiral loose core assembly, 5-a lower die holder, 6-a driving gear, 7-a lower die plate, 8-an outer wall die core, 9-a slant guide slide rod, 10-a push block, 11-a support frame, 12-a hydraulic cylinder, 13-a guide post and guide sleeve assembly, 14-an upper press block, 15-a driven gear, 16-a rack, 17-a positioning screw sleeve, 18-a positioning screw sleeve peripheral tooth, 19-a limit toothed plate, 20-a cup sleeve product, 21-a thread type block, 22-a lower push rod, 23-an inverted cone, 24-an avoidance groove, 25-a thread cavity surface, 26-a driven gear tooth, 27-a drawing die thread, 28-a lock catch groove surface, and 29-a hinged frame, 30-inner wall thread, 31-locking groove.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings.
Referring to fig. 1-10, the present embodiment provides a mold for forming an internal thread product by back-off screwing out, including an upper mold base 2, an upper mold plate 3, an upper pressing block 14, outer wall mold cores 8 on left and right sides, a lower push rod 22, a guide post and guide bush assembly 13, a lower mold plate 7, a lower mold base 5, a pulling rod assembly for forming a hinge frame 29, a pushing block assembly for forming a locking groove 31, and a spiral core pulling assembly 4 for forming an internal thread structure.
Referring to fig. 1-3, an injection port 1 is arranged at the center of an upper die holder 2, the injection port 1 is fixedly connected with an upper die plate 3, the lower end of the injection port 1 is communicated with a cavity of a forming cup sleeve consisting of each die core, a push block 10, a pull rod assembly and a pull core assembly through a split runner, upper press blocks 14 are symmetrically arranged at two sides of a lower die plate 7, the upper press blocks 14 are cylindrical and are arranged over the cavity,
the outer wall mold core 8 molds the outer wall shape of the cup sleeve to be molded in a semi-cylindrical form, and is matched with the chutes arranged on the upper template 3 and the lower template 7 to horizontally slide to realize mold closing or opening,
the drawing rod component is horizontally arranged, the position of the forming cup sleeve hinging frame 29 in the cavity is horizontally sleeved to form a hinging shaft hole,
referring to fig. 8, the push block assembly includes a push block 10 and an inclined guide rod for forming a lock catch groove 31, the inclined guide rod is in sliding fit with an inclined guide hole provided at a corresponding position of the upper mold plate 3, the push block 10 is in sliding fit with a horizontally arranged slide groove of the lower mold plate 7, the inclined guide rod drives the push block 10 to slide outwards or inwards under the action of mold opening or mold closing, a cavity surface 28 of the lock catch groove 31 is provided at a surface of the push block 10 facing the cavity,
referring to fig. 3, the lower push rod 22 is vertically arranged with the lower template 7, the upper end of the lower push rod 22 is in an inverted cone shape 23, the lower part is in a cylindrical shape, the periphery is sleeved with the spiral core-pulling assembly 4,
referring to fig. 5 and 6, the spiral core pulling assembly 4 includes a hydraulic cylinder 12 fixedly connected to the outer side of the lower die holder 5, a rack and pinion 16 assembly, a driven gear 15, a positioning screw sleeve 17, and a thread block 21 for forming threads 30 on the inner wall of the cup sleeve, the rack and pinion 16 assembly includes a driving gear 6 and a rack 16, a hydraulic rod of the hydraulic cylinder 12 is connected to the rack 16, the rack 16 is engaged with the driving gear 6 and drives the driving gear 6 to rotate, the driving gear 6 drives the driven gear 15 to rotate, a push rod 22 below the driven gear 15 is used as an axis to rotate, a mold drawing thread 27 having the same direction as the threads 30 on the inner wall of the cup sleeve is arranged at the lower end of the driven gear 15, the mold drawing thread 27 is in threaded engagement with the positioning screw sleeve 17 arranged on the lower die holder 5, the thread block 21 is fixedly connected to the upper end of the driven gear 15, and a thread cavity surface 25 for forming the threads 30 on the inner wall of the cup sleeve is arranged at the periphery, the screw-shaped block 21 is driven by the hydraulic cylinder 12 to rotate and perform drawing synchronous action.
Further, cooling pipelines are further arranged in the upper template 3 and the lower template 7, so that the injection molding raw materials can be rapidly cooled after being molded.
Further, the guide pillar and guide sleeve assemblies 13 are arranged at four corners of the lower die holder 5, and the lower die holder 5, the lower template 7, the upper template 3 and the upper die holder 2 are positioned in a sleeving matching manner.
Furthermore, a plurality of oblique guide holes are formed in the upper portion of the outer wall mold core 8 and are matched with oblique guide sliding rods 9 fixedly connected to the lower end face of the upper template 3, so that the outer wall mold core 8 is driven to open and close the mold in the horizontal direction of the lower template 7.
Further, referring to fig. 4, the positioning threaded sleeve 17 is fixedly connected to the lower die base 5 through a limiting toothed plate 19 and a bolt, the limiting toothed plate 19 is provided with teeth engaged with the peripheral teeth of the positioning threaded sleeve 17, and after the rotation angle is adjusted, the limiting toothed plate 19 is engaged with the positioning threaded sleeve 17 for limiting and is locked and fixed by the bolt.
Further, referring to fig. 7, an avoiding groove 24 of the reverse taper 23 is formed at the upper end of the thread-shaped block 21, and is used for avoiding a pattern drawing action with the reverse taper 23 structure formed at the upper end of the lower push rod 22.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mould of shaping internal thread product is unscrewed to back-off which characterized in that: comprises an upper die holder, an upper die plate, an upper pressing block, outer wall die cores on the left side and the right side, a lower push rod, a guide post and guide sleeve assembly, a lower die plate, a lower die holder, a pull rod assembly for forming a hinged frame, a push block assembly for forming a lock catch groove and a spiral core pulling assembly for forming an internal thread structure,
the center of the upper die base is provided with an injection port which is fixedly connected with the upper die plate, the lower end of the injection port is communicated with a die cavity of a forming cup sleeve consisting of each die core, a push block, a pull rod component and a pull core component through a sprue, upper press blocks are symmetrically arranged on two sides of the lower die plate, the upper press blocks are cylindrical and are arranged right above the die cavity,
the outer wall mold core molds the outer wall shape of the cup sleeve to be molded in a semi-cylindrical surface form, and the outer wall mold core is matched with the sliding grooves arranged on the upper template and the lower template to horizontally slide to realize mold closing or mold opening,
the draw-bar component is horizontally arranged, the position of the hinge frame of the forming cup sleeve in the cavity is horizontally sleeved to form a hinge shaft hole,
the push block assembly comprises a push block and an inclined guide rod for forming a lock catch groove, the inclined guide rod is in sliding fit with an inclined guide hole arranged at a position corresponding to the upper template, the push block is matched with a sliding groove horizontally arranged on the lower template, the inclined guide rod drives the push block to slide outwards or inwards under the action of mold opening or mold closing, a lock catch groove-shaped cavity surface is arranged on one surface of the push block, which is opposite to the cavity,
the lower push rod and the lower template are vertically arranged, the upper end of the lower push rod is in an inverted cone shape, the lower part of the lower push rod is in a cylindrical shape, the periphery of the lower push rod is sleeved with a spiral core-pulling assembly,
the spiral loose core assembly comprises a hydraulic cylinder, a gear rack assembly, a driven gear, a positioning threaded sleeve and a threaded block of a formed cup sleeve inner wall thread, wherein the gear rack assembly comprises a driving gear and a rack, a hydraulic rod of the hydraulic cylinder is connected with the rack, the rack is meshed with the driving gear and drives the driving gear to rotate, the driving gear drives the driven gear to rotate, a push rod below the driven gear rotates for an axis, a drawing thread which is the same as the cup sleeve inner wall thread in a rotating direction is arranged at the lower end of the driven gear, the drawing thread is in threaded fit with the positioning threaded sleeve on the lower die base, the threaded block is fixedly connected with the upper end of the driven gear, the periphery of the threaded block is provided with a threaded cavity surface of the formed cup sleeve inner wall thread, and the threaded block rotates and performs synchronous drawing under the driving of the hydraulic cylinder.
2. The mold for back-off unscrewing of a molded internally threaded product as claimed in claim 1, wherein: the guide post and guide sleeve assemblies are arranged at four corners of the lower die base and are used for positioning the lower die base, the lower die plate, the upper die plate and the upper die base in a penetrating and sleeving matching manner.
3. The mold for back-off unscrewing of a molded internally threaded product as claimed in claim 1, wherein: and a plurality of oblique guide holes are formed in the upper part of the outer wall die core and are matched with oblique guide sliding rods fixedly connected to the lower end face of the upper die plate to drive the outer wall die core to open and close the die in the horizontal direction of the lower die plate.
4. The mold for back-off unscrewing of a molded internally threaded product as claimed in claim 1, wherein: the positioning threaded sleeve is fixedly connected to the lower die base through a limiting toothed plate and a bolt, the limiting toothed plate is provided with teeth meshed with peripheral teeth of the positioning threaded sleeve, and after the rotation angle is adjusted, the limiting toothed plate is meshed with the positioning threaded sleeve to be limited and is locked and fixed by the bolt.
5. The mold for back-off unscrewing of a molded internally threaded product as claimed in claim 1, wherein: the upper end of the thread-shaped block is provided with an inverted cone-shaped avoiding groove.
6. The mold for molding an internally threaded product by back-off unscrewing of claim 1, wherein: and cooling pipelines are also arranged in the upper template and the lower template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175752.1U CN217319104U (en) | 2022-01-24 | 2022-01-24 | Mold for forming internal thread product by back-off screwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175752.1U CN217319104U (en) | 2022-01-24 | 2022-01-24 | Mold for forming internal thread product by back-off screwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217319104U true CN217319104U (en) | 2022-08-30 |
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ID=82996309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220175752.1U Active CN217319104U (en) | 2022-01-24 | 2022-01-24 | Mold for forming internal thread product by back-off screwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217319104U (en) |
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2022
- 2022-01-24 CN CN202220175752.1U patent/CN217319104U/en active Active
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