CN210308895U - Screw structure for injection molding machine - Google Patents
Screw structure for injection molding machine Download PDFInfo
- Publication number
- CN210308895U CN210308895U CN201920821991.8U CN201920821991U CN210308895U CN 210308895 U CN210308895 U CN 210308895U CN 201920821991 U CN201920821991 U CN 201920821991U CN 210308895 U CN210308895 U CN 210308895U
- Authority
- CN
- China
- Prior art keywords
- ring
- loop bar
- rod
- injection molding
- molding machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000007723 die pressing method Methods 0.000 description 3
- 239000012768 molten material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a screw rod structure for injection molding machine, including the body of rod and inserted bar, the right-hand member terminal surface of the body of rod passes through welded fastening and connects the inserted bar, the horizontal annular surface of the body of rod passes through mould fixed connection external screw thread, the left end terminal surface of the body of rod passes through welded fastening and connects the loop bar, the crossing department of the body of rod and loop bar is located the annular surface department of loop bar and is provided with stop ring, stop ring cup joints the loop bar, stop ring's left side is located the horizontal annular surface department of loop bar and is provided with the check ring, the check ring cup joints the loop bar, the left end terminal surface of loop bar passes through welded fastening and connects the extrusion head, and when using, through welding the choking ring, can seal the right-hand member port of check ring, can avoid the gap overflow of check ring department when using to flow fused material, can greatly refine the degree of accuracy of single pay-off, the quality of the finished product after press-molding can be improved.
Description
Technical Field
The utility model belongs to the technical field of the injection molding machine is relevant, concretely relates to screw rod structure for injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and an all-electric type.
The existing screw structure technology for the injection molding machine has the following problems: the screw rod is at the pivoted in-process, for avoiding the material backward flow, can cup joint the non-return ring at the surface of the body of rod, and the non-return ring is when using at present, because its and the crossing gap of body of rod department is great, the phenomenon of overflow appears in the in-process of non-return easily to cause the extrusion of moulding plastics that the in-process material weight of extruding appears the deviation, lead to the lower problem of back product yields of moulding plastics.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screw rod structure for injection molding machine to solve the screw rod that proposes in the above-mentioned background art at the pivoted in-process, for avoiding the material backward flow, can cup joint the non-return ring at the surface of the body of rod, the non-return ring is great when using at present, because of its gap crossing with the body of rod department, the phenomenon of overflow easily appears in non-return in-process, thereby cause the extruded in-process material weight of moulding plastics to appear the deviation, lead to moulding plastics the lower problem of back product yields.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a screw rod structure for injection molding machine, includes the body of rod and inserted bar, the right-hand member terminal surface of the body of rod passes through welded fastening and connects the inserted bar, the horizontal annular surface of the body of rod passes through mould fixed connection external screw thread, the left end terminal surface of the body of rod passes through welded fastening and connects the loop bar, the body of rod is provided with stop device with crossing the annular surface department that is located the loop bar of being in of loop bar, stop device cup joints the loop bar, stop device's left side is provided with the non-return ring in the horizontal annular surface department that is located the loop bar, non-return ring cup joints the loop bar, the left end terminal surface of loop bar passes through welded fastening and connects the extrusion.
Preferably, the non-return ring includes ring body, disc groove, bowl form groove and the lantern ring, the horizontal surface of loop bar is provided with the ring body in the left side that is located stop device, the inside of ring body is provided with transversely runs through and is provided with the lantern ring, the lantern ring pastes with the horizontal annular surface of loop bar mutually, the left end terminal surface of ring body sets up inside sunken bowl form groove, the right-hand member terminal surface of ring body is provided with inside sunken disc groove.
Preferably, stop device includes spacing ring and chokes the flow ring, the crossing department that is located the annular surface department of loop bar of the body of rod and loop bar is provided with the spacing ring, the loop bar is cup jointed to the spacing ring, the choked flow ring of left end port through welded fastening connection of spacing ring.
Preferably, the right end inclined end surface of the extrusion head is attached to the left end concave outer surface of the non-return ring.
Preferably, the outer surface of the transverse ring of the rod body is uniformly provided with external threads, the external threads can be driven by force to rotate, the material moves leftwards when the external threads rotate clockwise, and the material moves rightwards when the external threads rotate anticlockwise.
Preferably, the inserted rod can be inserted with a shaft sleeve to connect with the motor.
Preferably, the check ring may move leftward when the rod body moves rightward, and move rightward when the rod body moves leftward.
Compared with the prior art, the utility model provides a screw rod structure for injection molding machine possesses following beneficial effect:
the limiting device comprises two parts, namely a limiting ring and a flow blocking ring, wherein the limiting ring is used, the limiting ring is fixed on the outer surface of the loop bar in a set process by welding, when the limiting device is used, the flow blocking ring is welded, the right end port of the non-return ring can be closed, the molten material can be prevented from overflowing from the gap of the non-return ring in use, the single feeding accuracy can be greatly improved, and the quality of a finished product after die pressing can be improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of an overall structure of a screw structure for an injection molding machine according to the present invention;
fig. 2 is a schematic structural view of a limiting device in a screw structure for an injection molding machine according to the present invention;
FIG. 3 is a schematic view of the structure of the right end of the check ring in the screw structure for injection molding machine of the present invention;
FIG. 4 is a schematic view of the left end structure of a check ring in a screw structure for an injection molding machine according to the present invention;
in the figure: 1. inserting a rod; 2. an external thread; 3. a rod body; 4. a non-return ring; 5. an extrusion head; 6. a loop bar; 7. a limiting device; 41. a ring body; 42. a disc groove; 43. a bowl-shaped groove; 44. a collar; 71. a limiting ring; 72. a choke ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a screw rod structure for injection molding machine, including the body of rod 3 and inserted bar 1, the right-hand member terminal surface of the body of rod 3 passes through welded fastening and connects inserted bar 1, the horizontal annular surface of the body of rod 3 passes through mould fixed connection external screw thread 2, the horizontal annular surface of the body of rod 3 is even is provided with external screw thread 2, external screw thread 2 can rotate under the drive of power, the material removes left when external screw thread 2 is to clockwise turning, the material removes right when external screw thread 2 anticlockwise turning, the body of rod 3 rotates together with external screw thread 2, can be convenient with the transmission of material.
A screw structure for an injection molding machine comprises a sleeve rod 6 fixedly connected with the left end face of a rod body 3 through welding, a limiting device 7 is arranged at the position, located on the annular outer surface of the sleeve rod 6, of the intersection of the rod body 3 and the sleeve rod 6, the limiting device 7 comprises a limiting ring 71 and a flow blocking ring 72, the position, located on the annular outer surface of the sleeve rod 6, of the intersection of the rod body 3 and the sleeve rod 6 is provided with the limiting ring 71, the limiting ring 71 is sleeved with the sleeve rod 6, the left end port of the limiting ring 71 is fixedly connected with the flow blocking ring 72 through welding, wherein a limit ring 71 is used, the limit ring 71 is fixed on the annular outer surface of the loop bar 6 by welding in the setting process, when in use, the choke ring 72 is welded to seal the right end port of the non-return ring 4, the molten material can be prevented from overflowing from the gap of the non-return ring 4 when in use, the single feeding accuracy can be greatly improved, and the quality of a finished product after die pressing can be improved.
The utility model provides a screw structure for injection molding machine, cup joint loop bar 6 including stop device 7, stop device 7's left side is provided with non-return ring 4 in the horizontal annular surface department that is located loop bar 6, non-return ring 4 cup joints loop bar 6, non-return ring 4 includes ring body 41, disc groove 42, bowl form groove 43 and lantern ring 44, the horizontal surface of loop bar 6 is provided with ring body 41 in the left side that is located stop device 7, ring body 41's inside is provided with transversely runs through and is provided with lantern ring 44, lantern ring 44 pastes with loop bar 6's horizontal annular surface mutually, ring body 41's left end terminal surface sets up inside sunken bowl form groove 43, ring body 41's right-hand member terminal surface is provided with inside sunken disc groove 42.
The utility model provides a screw rod structure for injection molding machine, passes through welded fastening connection extrusion head 5 including the left end terminal surface of loop bar 6, and the right-hand member inclined end face of extrusion head 5 pastes mutually with the sunken surface in left end of non-return ring 4, pastes mutually and can avoid the material to overflow to the surface of non-return ring 4 from the gap.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when in use, the inserted link 1 is driven by a motor, when in driving, the link body 3 rotates together with the external thread 2 on the outer surface, in the rotating process, the material is conveyed, after conveying, the non-return ring 4 can avoid the left melt material positioned on the non-return ring 4 from flowing back to the right side, the non-return ring 4 can move on the annular outer surface of the loop bar 6, the moving process can constantly keep the left side or the right side sealed, in use, the limiting device 7 is newly arranged, the limiting device 7 comprises two parts of a limiting ring 71 and a choking ring 72, wherein the limiting ring 71 is used, the limiting ring 71 is fixed on the annular outer surface of the loop bar 6 by welding in the setting process, when in use, the right end port of the non-return ring 4 can be sealed by welding the choking ring 72, the gap overflow of the non-return ring 4 can be avoided from flowing out of the fused material when in use, the accuracy of single feeding can be greatly improved, and the quality of a finished product after die pressing can be improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a screw rod structure for injection molding machine, includes the body of rod (3) and inserted bar (1), its characterized in that: the right-hand member terminal surface of the body of rod (3) passes through welded fastening and connects inserted bar (1), the horizontal annular surface of the body of rod (3) passes through mould fixed connection external screw thread (2), the left end terminal surface of the body of rod (3) passes through welded fastening and connects loop bar (6), the body of rod (3) is provided with stop device (7) with crossing the annular surface department that is located loop bar (6) of crossing of loop bar (6), loop bar (6) is cup jointed in stop device (7), the left side of stop device (7) is provided with contrary ring (4) in the horizontal annular surface department that is located loop bar (6), it cup joints loop bar (6) to contrary ring (4), the left end terminal surface of loop bar (6) passes through welded fastening and connects extrusion head (5).
2. The screw structure for an injection molding machine according to claim 1, characterized in that: non-return ring (4) are including ring body (41), disc groove (42), bowl form groove (43) and lantern ring (44), the horizontal surface of loop bar (6) is provided with ring body (41) in the left side that is located stop device (7), the inside of ring body (41) is provided with transversely runs through and is provided with lantern ring (44), the horizontal annular surface of the lantern ring (44) and loop bar (6) pastes mutually, the left end terminal surface of ring body (41) sets up inside sunken bowl form groove (43), the right-hand member terminal surface of ring body (41) is provided with inside sunken disc groove (42).
3. The screw structure for an injection molding machine according to claim 1, characterized in that: stop device (7) include spacing ring (71) and choke ring (72), the crossing of the body of rod (3) and loop bar (6) is located the annular surface department of loop bar (6) and is provided with spacing ring (71), loop bar (6) are cup jointed in spacing ring (71), the left end port of spacing ring (71) is through welding fixed connection choke ring (72).
4. The screw structure for an injection molding machine according to claim 1, characterized in that: the right end inclined end surface of the extrusion head (5) is attached to the left end concave outer surface of the non-return ring (4).
5. The screw structure for an injection molding machine according to claim 1, characterized in that: the horizontal annular surface of the body of rod (3) is even is provided with external screw thread (2), external screw thread (2) can rotate under the drive of power, the material removes to the left when external screw thread (2) are to clockwise turning, the material removes to the right when external screw thread (2) anticlockwise turning.
6. The screw structure for an injection molding machine according to claim 1, characterized in that: the inserted link (1) can be inserted with a connecting shaft sleeve to connect with a motor.
7. The screw structure for an injection molding machine according to claim 1, characterized in that: the non-return ring (4) can move leftwards when the rod body (3) moves rightwards, and the non-return ring (4) moves rightwards when the rod body (3) moves leftwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821991.8U CN210308895U (en) | 2019-06-03 | 2019-06-03 | Screw structure for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821991.8U CN210308895U (en) | 2019-06-03 | 2019-06-03 | Screw structure for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210308895U true CN210308895U (en) | 2020-04-14 |
Family
ID=70141566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920821991.8U Expired - Fee Related CN210308895U (en) | 2019-06-03 | 2019-06-03 | Screw structure for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210308895U (en) |
-
2019
- 2019-06-03 CN CN201920821991.8U patent/CN210308895U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |