CN219214057U - Bottle blank clamping device for bottle blowing machine - Google Patents
Bottle blank clamping device for bottle blowing machine Download PDFInfo
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- CN219214057U CN219214057U CN202320196901.7U CN202320196901U CN219214057U CN 219214057 U CN219214057 U CN 219214057U CN 202320196901 U CN202320196901 U CN 202320196901U CN 219214057 U CN219214057 U CN 219214057U
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- bottle blank
- blowing machine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model discloses a bottle blank clamping device for a bottle blowing machine, which comprises a fixed rod, a bottle blank seat, a plurality of elastic pieces, a plurality of jacking blocks, a thrust sleeve and a lifting driving mechanism, wherein the fixed rod is fixedly arranged on a bottle blank conveying chain; the bottle blank seat is detachably and fixedly arranged at the top end of the fixed rod; the elastic pieces are fixedly arranged on the outer side wall of the bottle blank seat along the circumferential direction of the bottle blank seat; the top block comprises a top block main body, a first wedge block and a second wedge block which are respectively and fixedly arranged at the upper end and the lower end of the top block main body, and the top block main body is fixedly connected with the corresponding elastic piece; the thrust sleeve is movably sleeved on the outer surface of the fixed rod and is positioned below the bottle blank seat; the output end of the lifting driving mechanism is fixedly connected with the thrust sleeve. The lifting driving mechanism can drive the thrust sleeve to rise, so that the thrust sleeve can drive the ejector block main body to shrink inwards through extruding the second wedge block, and the clamping effect of the ejector block on the bottle blank opening is relieved, and bottle blanks are convenient to take down from the bottle blank seat.
Description
Technical Field
The utility model relates to the technical field of container bottle processing, in particular to a bottle blank clamping device for a bottle blowing machine.
Background
The bottle blowing machine is a device for manufacturing plastic particles into hollow containers through a blow molding process, and most of the bottle blowing machines at present adopt a two-step method bottle blowing machine, namely, plastic raw materials are firstly manufactured into bottle blanks, and then blowing is carried out. The bottle blowing machine needs to heat the bottle blank to a softened state, place the bottle blank in a split die, immediately introduce compressed air into the blank after closing the die, enable the plastic blank to be blown up and cling to the inner wall of the die, and obtain various hollow products after cooling and demoulding.
In the process of heating and softening the bottle blank, the bottle blank needs to be driven by a conveying chain to continuously move forwards, and in order to keep the bottle blank stable, the bottle blank needs to be fixed on the conveying chain through a clamping device. The patent with the application number of 201920156542.6 discloses a bottle blank clamping device, which utilizes the elastic force of an elastic piece to push a movable block to prop against the inner wall of a bottle blank mouth, thereby realizing the clamping effect on the bottle blank. However, when the bottle blank is taken down, the friction force between the bottle blank and the movable block needs to be overcome to take down the bottle blank, when the friction force between the movable block and the bottle blank is larger, the bottle taking operation can be difficult, and particularly, when the wall of the bottle blank is thinner or the softening degree of the bottle blank is higher, the bottle taking operation can be more difficult.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a bottle blank clamping device for a bottle blowing machine, which solves the technical problems that in the prior art, when the bottle blank clamping device is used for taking bottle blanks, the bottle blanks can be taken down only by overcoming the friction force between the bottle blanks and a movable block, when the friction force between the movable block and the bottle blanks is larger, the bottle taking operation is difficult, and particularly, when the bottle blank wall is thinner or the softening degree of the bottle blanks is higher, the bottle blank taking operation is more difficult.
To achieve the above technical object, the present utility model provides a bottle blank holding device for a bottle blowing machine, comprising:
the fixed rod is fixedly arranged on the bottle blank conveying chain;
the bottle blank seat is detachably and fixedly arranged at the top end of the fixed rod;
the elastic pieces are fixedly arranged on the outer side wall of the bottle blank seat along the circumferential direction of the bottle blank seat;
the top blocks comprise top block main bodies, and first wedge-shaped blocks and second wedge-shaped blocks which are respectively and fixedly arranged at the upper end and the lower end of the top block main bodies, and the top block main bodies are fixedly connected with the corresponding elastic pieces;
the thrust sleeve is movably sleeved on the outer surface of the fixed rod and positioned below the bottle blank seat, and the inner diameter of the thrust sleeve is smaller than the outer diameter of an circumscribed circle formed by a plurality of ejector block main bodies of the elastic piece in a natural state;
and the output end of the lifting driving mechanism is fixedly connected with the thrust sleeve.
Further, the bottle blank clamping device for the bottle blowing machine further comprises an end cover, a screw and a nut, wherein a step hole is formed in the center of the end cover, and the screw is installed in the step hole;
the fixing rod is a screw rod, the center of the top end of the fixing rod is provided with a threaded hole, and the top end of the fixing rod movably passes through the center of the bottle blank seat and then is in threaded fit with the screw;
the nut is in threaded connection with the fixing rod so as to compress the bottle blank seat on the bottom end face of the end cover.
Further, the outer side surface of the bottle blank seat is provided with a plurality of mounting grooves corresponding to the elastic pieces one by one along the circumferential direction of the bottle blank seat, the elastic pieces and the top blocks are respectively fixedly and movably arranged in the mounting grooves, and the distal ends of the elastic pieces are fixedly connected with the corresponding top blocks; the top block can slide along the radial direction of the bottle blank seat in the mounting groove.
Further, the bottle blank clamping device for the bottle blowing machine further comprises a plurality of guide rods, a row of guide holes are vertically formed in the mounting groove, the guide rods are movably arranged in the guide holes, and the distal ends of the guide rods are fixedly connected with the jacking block main body.
Further, the number of the top blocks is at least 3.
Further, the first wedge block and the second wedge block are integrally formed on the top block main body.
Further, the outer edges of the joints of the first wedge block and the second wedge block and the top block main body are provided with round corners.
Further, a fillet or an inclined plane parallel to the inclined plane of the second wedge block is formed on the inner side of the top end of the thrust sleeve.
Further, the lifting driving mechanism comprises a sleeve nut fixedly arranged at the bottom end of the thrust sleeve, the fixed rod is a screw rod, and the sleeve nut is in threaded fit with the fixed rod.
Further, the lifting driving mechanism further comprises a connecting sleeve, the top end of the connecting sleeve is rotationally connected with the bottom end surface of the thrust sleeve, and the bottom end of the connecting sleeve is fixedly connected with the sleeve nut.
Compared with the prior art, the utility model has the beneficial effects that:
in the bottle blank clamping device for the bottle blowing machine, the lifting driving mechanism can drive the thrust sleeve to ascend, and as the inner diameter of the thrust sleeve is smaller than the outer diameter of an circumscribed circle formed by the plurality of top block main bodies in a natural state of the elastic piece, the thrust sleeve can drive the top block main bodies to shrink inwards by extruding the second wedge blocks, so that the clamping effect of the top blocks on bottle blank openings is relieved, and bottle blanks are conveniently taken down from the bottle blank seats; the bottle taking difficulty of bottle blanks with thinner bottle blank walls or serious softening is reduced.
Drawings
FIG. 1 is a schematic view of a bottle blank holding apparatus for a bottle blowing machine according to the present utility model;
fig. 2 is a schematic cross-sectional view of a preform clamping device for a bottle blowing machine according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a bottle blank clamping device for a bottle blowing machine, which is shown in figure 1, and comprises a fixed rod 1, a bottle blank seat 2, a plurality of elastic pieces 3, a plurality of top blocks 4 which are in one-to-one correspondence with the elastic pieces 3, a thrust sleeve 5 and a lifting driving mechanism 6, wherein the fixed rod 1 is fixedly arranged on a bottle blank conveying chain; the bottle blank seat 2 is detachably and fixedly arranged at the top end of the fixed rod 1; the elastic pieces 3 are fixedly arranged on the outer side wall of the bottle blank seat 2 along the circumferential direction; specifically, the elastic piece 3 is a spring; the top block 4 comprises a top block main body 41, and a first wedge block 42 and a second wedge block 43 which are respectively and fixedly arranged at the upper end and the lower end of the top block main body 41, wherein the top block main body 41 is fixedly connected with the corresponding elastic piece 3; the thrust sleeve 5 is movably sleeved on the outer surface of the fixed rod 1 and is positioned below the bottle blank seat 2, and the inner diameter of the thrust sleeve 5 is smaller than the outer diameter of a circumcircle formed by a plurality of top block main bodies 41 of the elastic piece 3 in a natural state; the output end of the lifting driving mechanism 6 is fixedly connected with the thrust sleeve 5.
In the bottle blank clamping device for a bottle blowing machine, the lifting driving mechanism 6 can drive the thrust sleeve 5 to ascend, and as the inner diameter of the thrust sleeve 5 is smaller than the outer diameter of a circumcircle formed by a plurality of top block main bodies 41 of the elastic piece 3 in a natural state, the thrust sleeve 5 can drive the top block main bodies 41 to shrink inwards by extruding the second wedge-shaped blocks 43, so that the clamping effect of the top blocks 4 on bottle blank openings is relieved, and bottle blanks are convenient to take off from the bottle blank seats 2; the bottle taking difficulty of bottle blanks with thinner bottle blank walls or serious softening is reduced.
With continued reference to fig. 2, specifically, the outer side surface of the bottle blank seat 2 is provided with a plurality of mounting grooves 20 corresponding to the elastic pieces 3 one by one along the circumferential direction thereof, the elastic pieces 3 and the top blocks 4 are respectively fixed and movably arranged in the mounting grooves 20, and the distal ends of the elastic pieces 3 are fixedly connected with the corresponding top blocks 4; the top block 4 is slidable in the radial direction of the preform base 2 in the mounting groove 20.
With continued reference to fig. 1, in order to realize the detachable arrangement of the bottle blank holder 2 on the fixing rod 1, the bottle blank clamping device for a bottle blowing machine further comprises an end cover 7, a screw 8 and a nut 9, wherein a step hole 70 is formed in the center of the end cover 7, and the screw 8 is installed in the step hole 70;
the fixed rod 1 is a screw rod, the center of the top end of the fixed rod is provided with a threaded hole, and the top end of the fixed rod 1 movably passes through the center of the bottle blank seat 2 and then is in threaded fit with the screw 8;
the nut 9 is in threaded connection with the fixing rod 1 so as to press the bottle blank seat 2 on the bottom end face of the end cover 7.
With continued reference to fig. 2, in order to make the direction of movement of the top block 4 in the mounting groove 20 always be along the radial direction parallel to the bottle preform seat 2, as a preferred embodiment, the bottle preform clamping device for a bottle blowing machine further includes a plurality of guide rods 10, a row of guide holes are vertically formed in the mounting groove 20, the axial direction of the guide holes is parallel to the radial direction of the bottle preform seat 2, the guide rods 10 are movably disposed in the guide holes, and the distal ends of the guide rods 10 are fixedly connected with the top block main body 41.
With continued reference to fig. 1, in order to achieve stable clamping of the bottle preform, the number of top blocks 4 is at least 3 as a preferred embodiment.
In order to facilitate rapid machining of the top block 4, as a preferred embodiment, the first wedge block 42 and the second wedge block 43 are integrally formed on the top block body 41.
In order to enable the bottle blank to be smoothly sleeved on the bottle blank seat 2 and the top block 4 outside the bottle blank seat, as a preferred embodiment, the outer edges of the connection parts of the first wedge-shaped block 42 and the second wedge-shaped block 43 and the top block main body 41 are provided with round corners.
In order to enable the thrust sleeve 5 to cooperate with the inclined surface of the second wedge 43, as a preferred embodiment, the inside of the tip of the thrust sleeve 5 is provided with a rounded or parallel inclined surface 50 to the inclined surface of the second wedge 43.
As a preferred embodiment, the lifting driving mechanism 6 includes a sleeve nut 61 fixedly disposed at the bottom end of the thrust sleeve 5, the fixing rod 1 is a screw, and the sleeve nut 61 is in threaded engagement with the fixing rod 1.
With continued reference to fig. 2, in order to enable the lifting driving mechanism 6 to drive the thrust sleeve 5 only to move up or down, as a preferred embodiment, the lifting driving mechanism 6 further includes a connecting sleeve 62, where a top end of the connecting sleeve 62 is rotatably connected to a bottom end surface of the thrust sleeve 5, and a bottom end of the connecting sleeve is fixedly connected to the sleeve nut 61.
It can be appreciated that, since the upper and lower ends of the connecting sleeve 62 are respectively connected with the thrust sleeve 5 and the sleeve nut 61 in a rotating and fixed manner, when the sleeve nut 61 is rotated, the thrust sleeve 5 only moves up or down, so as to avoid the thrust sleeve 5 from rotating along with the sleeve nut 61, and avoid excessive wear between the thrust sleeve 5 and the second wedge block 43.
For a convenient understanding of the present utility model, the following details of the working principle of the present solution are described with reference to fig. 1 and 2:
during operation, the bottle blank mouth of the bottle blank is sleeved from the top of the bottle blank seat 2, during the period, the inner wall of the bottle blank mouth continuously extrudes the top block main body 41 towards the inner side of the mounting groove 20 through the first wedge block 42 until the bottle blank mouth abuts against the upper end face of the thrust sleeve 5, and at the moment, the top block main body 41 can exert an outward supporting force on the inner wall of the bottle blank mouth, so that the bottle blank is clamped. An external conveying chain is started to drive the bottle blank to enter the heating device for heating so as to soften the bottle blank.
After the bottle blank is softened, the external conveying belt drives the bottle blank to move to the outside of the heating device, and the sleeve nut 61 is rotated, so that the sleeve nut 61 is matched with the threads on the outer surface of the fixing rod 1, at the moment, the sleeve nut 61 can drive the thrust sleeve 5 to move upwards, and the thrust sleeve 5 can drive the top block main body 41 to shrink towards the inner side of the mounting groove 20 by extruding the second wedge block 43, so that the top block main body 41 releases the clamping state of the bottle blank opening, and the bottle blank can be smoothly taken down from the conveying chain.
The utility model provides a bottle blank clamping device for a bottle blowing machine, which has the following beneficial effects:
(1) The lifting driving mechanism 6 can drive the thrust sleeve 5 to ascend, and as the inner diameter of the thrust sleeve 5 is smaller than the outer diameter of an circumscribing circle formed by a plurality of top block main bodies 41 of the elastic piece 3 in a natural state, the thrust sleeve 5 can drive the top block main bodies 41 to shrink inwards by extruding the second wedge-shaped blocks 43, so that the clamping effect of the top blocks 4 on bottle blank openings is relieved, and bottle blanks are convenient to take down from the bottle blank seats 2; the difficulty of taking out the bottle blank due to thinner bottle blank wall or serious softening is reduced;
(2) Because the upper and lower ends of the connecting sleeve 62 are respectively and fixedly connected with the thrust sleeve 5 and the sleeve nut 61 in a rotating manner, when the sleeve nut 61 is rotated, the thrust sleeve 5 only moves up or down, so that the thrust sleeve is prevented from rotating along with the sleeve nut 61, and excessive abrasion between the thrust sleeve 5 and the second wedge-shaped block 43 is prevented.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. A bottle blank holding device for a bottle blowing machine, comprising:
the fixed rod is fixedly arranged on the bottle blank conveying chain;
the bottle blank seat is detachably and fixedly arranged at the top end of the fixed rod;
the elastic pieces are fixedly arranged on the outer side wall of the bottle blank seat along the circumferential direction of the bottle blank seat;
the top blocks comprise top block main bodies, and first wedge-shaped blocks and second wedge-shaped blocks which are respectively and fixedly arranged at the upper end and the lower end of the top block main bodies, and the top block main bodies are fixedly connected with the corresponding elastic pieces;
the thrust sleeve is movably sleeved on the outer surface of the fixed rod and positioned below the bottle blank seat, and the inner diameter of the thrust sleeve is smaller than the outer diameter of an circumscribed circle formed by a plurality of ejector block main bodies of the elastic piece in a natural state;
and the output end of the lifting driving mechanism is fixedly connected with the thrust sleeve.
2. The bottle blank holding device for a bottle blowing machine according to claim 1, further comprising an end cover, a screw and a nut, wherein a stepped hole is formed in the center of the end cover, and the screw is installed in the stepped hole;
the fixing rod is a screw rod, the center of the top end of the fixing rod is provided with a threaded hole, and the top end of the fixing rod movably passes through the center of the bottle blank seat and then is in threaded fit with the screw;
the nut is in threaded connection with the fixing rod so as to compress the bottle blank seat on the bottom end face of the end cover.
3. The bottle blank clamping device for a bottle blowing machine according to claim 1, wherein a plurality of mounting grooves which are in one-to-one correspondence with the elastic pieces are formed in the outer side surface of the bottle blank seat along the circumferential direction of the bottle blank seat, the elastic pieces and the top blocks are respectively fixedly and movably arranged in the mounting grooves, and the distal ends of the elastic pieces are fixedly connected with the corresponding top blocks; the top block can slide along the radial direction of the bottle blank seat in the mounting groove.
4. The bottle blank holding device for a bottle blowing machine according to claim 3, further comprising a plurality of guide rods, wherein a row of guide holes are vertically formed in the mounting groove, the guide rods are movably arranged in the guide holes, and the distal ends of the guide rods are fixedly connected with the top block main body.
5. The bottle blank holding device for a bottle blowing machine as set forth in claim 1, wherein the number of the top blocks is at least 3.
6. The bottle blank holding device for a bottle blowing machine as set forth in claim 1 wherein the first wedge block and the second wedge block are integrally formed on the top block body.
7. The bottle blank holding device for a bottle blowing machine as set forth in claim 5, wherein the outside edges of the junction of the first wedge block and the second wedge block with the top block main body are rounded.
8. The bottle blank holding device for a bottle blowing machine according to claim 1, wherein a rounded corner or an inclined plane parallel to the inclined plane of the second wedge block is provided on the inner side of the top end of the thrust sleeve.
9. The bottle blank holding device for a bottle blowing machine according to claim 1, wherein the lifting driving mechanism comprises a sleeve nut fixedly arranged at the bottom end of the thrust sleeve, the fixing rod is a screw rod, and the sleeve nut is in threaded fit with the fixing rod.
10. The bottle blank holding device for a bottle blowing machine as set forth in claim 9, wherein the elevation driving mechanism further comprises a connecting sleeve, the top end of the connecting sleeve is rotatably connected to the bottom end surface of the thrust sleeve, and the bottom end is fixedly connected to the sleeve nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320196901.7U CN219214057U (en) | 2023-02-08 | 2023-02-08 | Bottle blank clamping device for bottle blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320196901.7U CN219214057U (en) | 2023-02-08 | 2023-02-08 | Bottle blank clamping device for bottle blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219214057U true CN219214057U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320196901.7U Active CN219214057U (en) | 2023-02-08 | 2023-02-08 | Bottle blank clamping device for bottle blowing machine |
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| Country | Link |
|---|---|
| CN (1) | CN219214057U (en) |
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- 2023-02-08 CN CN202320196901.7U patent/CN219214057U/en active Active
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