CN111070593A - Inclined top tunnel glue feeding structure for injection mold - Google Patents
Inclined top tunnel glue feeding structure for injection mold Download PDFInfo
- Publication number
- CN111070593A CN111070593A CN201911336493.5A CN201911336493A CN111070593A CN 111070593 A CN111070593 A CN 111070593A CN 201911336493 A CN201911336493 A CN 201911336493A CN 111070593 A CN111070593 A CN 111070593A
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- CN
- China
- Prior art keywords
- block
- die holder
- injection mold
- pipe
- sliding connection
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 239000003292 glue Substances 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 2
- 239000002994 raw 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
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an inclined ejection tunnel glue feeding structure for an injection mold, which comprises a movable mold base frame body, wherein a fixed mold base is arranged at the top of the movable mold base frame body, an inclined ejection block is connected in a sliding manner in a lower cavity body, the inclined ejection block comprises an upper inclined ejection block and a lower inclined ejection block, the sliding connection block is connected with a vertical chute on the right side of the lower cavity body in a sliding manner, a material guide pipe communicated with a bent cold flow channel in the sliding connection block is arranged at the top of the sliding connection block, the bent cold flow channel is also communicated with a cold flow channel in the upper inclined ejection block, a heat flow pipeline penetrating through a first bulge is arranged at the top of the fixed mold base, the bottom of the heat flow pipeline extends into the material guide pipe through a circular hole at the top of the vertical chute and then is inserted into the material guide pipe, and a plurality of groups of point gate pipes communicated with the cold. The fixed die holder and the movable die holder frame are firmly and stably connected; the integral movement stability of the inclined ejecting block is good; the cold runner and the sprue runner pipe in the upper inclined top block can be cleaned conveniently.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an inclined top tunnel glue feeding structure for an injection mold.
Background
The cold runner, the hot runner and the spot sprue of the existing injection mold are integrally arranged, after the injection mold is used for a long time, the cleaning is lacked, the smooth injection molding of raw materials is not facilitated to manufacture a finished product, horizontal position deviation is easily generated when the inclined ejecting block moves upwards, the stability is not enough, the smooth ejection of a formed part is not facilitated, and therefore the inclined ejecting tunnel glue feeding structure for the injection mold is pushed out.
Disclosure of Invention
The invention aims to provide a rubber feeding structure of an inclined top tunnel for an injection mold, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an injection mold advances glued structure with oblique top tunnel, includes the movable mould seat framework, movable mould seat framework top is equipped with the fixed mould seat, movable mould seat framework inner chamber is equipped with last cavity and the lower cavity that is the echelonment and communicates from top to bottom, the bottom of fixed mould seat is equipped with the first arch that inserts to the last cavity, first bellied bottom is equipped with the second arch of inserting to cavity down, the internal sliding connection of lower cavity has oblique kicking block, oblique kicking block includes oblique kicking block and lower oblique kicking block, the right side of going up oblique kicking block is equipped with the sliding connection piece, the sliding connection piece sliding connection is in the vertical spout on lower cavity right side, the top of sliding connection piece is equipped with the passage rather than inside bending cold flow channel intercommunication, bending cold flow channel still communicates with the inside cold flow channel of last oblique kicking block, fixed mould seat top is equipped with and runs through first bellied hot flow pipe, hot flow pipe bottom is inserted to the passage after stretching into via the round hole at vertical spout top, the top of the upper inclined ejector block is also provided with a plurality of groups of point gate pipes communicated with the cold runner.
Preferably, the top of the movable die holder frame is provided with a vertical positioning rod, and the top of the vertical positioning rod penetrates through the fixed die holder and locks the fixed die holder through a nut.
Preferably, vertical plug boards are arranged at the front and the rear of the lower end of the upper inclined ejector block and are inserted into plug slots in the lower inclined ejector block and then fixed through countersunk screws.
Preferably, the left side and the right side of the bottom of the lower inclined ejector block are connected with cylindrical guide cylinders through L-shaped connecting pieces, and the cylindrical guide cylinders are sleeved on the polished rod.
Preferably, the polished rod upper end is connected in the bottom of moving the die holder framework, the lower extreme of polished rod is connected in the upper end of bottom plate, the piston rod of the pneumatic cylinder at bottom plate upper end middle part is connected in the bottom of oblique kicking block down, still cup jointed on the polished rod and be located the spring of cylinder type guide cylinder upper end.
Preferably, the point gate pipe comprises a pipe body, a protruding point gate is arranged at the top of the pipe body, and the lower end of the pipe body is connected to the top of the upper inclined top block through an external thread pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the bottom of the fixed die holder is provided with the first bulge inserted into the upper cavity, the bottom of the first bulge is provided with the second bulge inserted into the lower cavity, and the top of the vertical positioning rod penetrates through the fixed die holder and locks the fixed die holder through the nut, so that the fixed die holder and the movable die holder frame are firmly and stably connected;
when the inclined ejecting block integrally moves, the vertical chute and the cylindrical guide cylinder which are connected to the right side of the lower cavity in a sliding mode are sleeved on the polished rod, so that the inclined ejecting block is prevented from moving in the horizontal direction when integrally moving, and the integral moving stability of the inclined ejecting block is facilitated;
the inclined ejector block comprises an upper inclined ejector block and a lower inclined ejector block, and a vertical plug board at the lower end of the upper inclined ejector block is inserted into a plug groove on the lower inclined ejector block and then fixed through a sunk screw, so that the upper inclined ejector block and the lower inclined ejector block can be conveniently assembled and installed;
after the upper inclined ejector block and the lower inclined ejector block are disassembled, a cold runner in the upper inclined ejector block can be conveniently cleaned; because the lower extreme of some gate pipes including body, body passes through external screw thread union coupling in the top of last oblique kicking block for some gate pipes can be dismantled, the some gate pipes of being convenient for wash.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of a connection and disassembly structure of the fixed mold base and the movable mold base;
FIG. 4 is a schematic view of the connection and disassembly structure of the lower and upper slanted ejecting blocks of the present invention;
FIG. 5 is a schematic view of a spot-gated tube of the present invention.
In the figure: 1 pneumatic cylinder, 2 bottom plates, 3 polished rods, 4 cylinder type guide cylinders, 5 springs, 6L type connecting piece, 7 oblique kicking blocks, 71 oblique kicking blocks down, 72 oblique kicking blocks, 8 move the die holder framework, 81 go up the cavity, 82 cavity down, 9 fixed die holders, 91 first arch, 92 second arch, 10 vertical locating levers, 11 nuts, 12 heat flow pipeline, 13 vertical spout, 14 cold runner, 15 some runner pipes, 151 salient point runner, 152 body, 153 external screw thread pipe, 16 curved cold flow passageway, 17 sliding block, 18 passage, 19 round holes, 20 vertical plugboard, 21 countersunk screw, 22 inserting grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an inclined top tunnel glue feeding structure for an injection mold comprises a movable mold base frame body 8, wherein a fixed mold base 9 is arranged at the top of the movable mold base frame body 8, an inner cavity of the movable mold base frame body 8 is provided with an upper cavity 81 and a lower cavity 82 which are in a step shape and are communicated from top to bottom, a first bulge 91 inserted into the upper cavity 81 is arranged at the bottom of the fixed mold base 9, a second bulge 92 inserted into the lower cavity 82 is arranged at the bottom of the first bulge 91, an inclined top block 7 is connected in the lower cavity 82 in a sliding manner, the inclined top block 7 comprises an upper inclined top block 72 and a lower inclined top block 71, a sliding connection block 17 is arranged on the right side of the upper inclined top block 72, the sliding connection block 17 is connected to a vertical sliding chute 13 on the right side of the lower cavity 82 in a sliding manner, a guide pipe 18 communicated with a bent cold flow passage 16 inside the sliding connection block 17 is arranged at the top of the sliding connection block 17, the bent cold flow passage 16 is also communicated with a cold flow passage 14 inside the upper inclined top of the inclined top block 72, the bottom of the heat flow pipeline 12 extends into the guide pipe 18 through a circular hole 19 at the top of the vertical chute 13, and a plurality of groups of point gate pipes 15 communicated with the cold runner 14 are arranged at the top of the upper inclined top block 72.
Specifically, a vertical positioning rod 10 is arranged at the top of the movable die holder frame body 8, and the top of the vertical positioning rod 10 penetrates through the fixed die holder 9 and locks the fixed die holder 9 through a nut 11.
Specifically, vertical plug boards 20 are arranged at the front and the rear of the lower end of the upper inclined top block 72, and the vertical plug boards 20 are inserted into the plug slots 22 on the lower inclined top block 71 and fixed through countersunk screws 21.
Specifically, the left side and the right side of the bottom of the lower inclined top block 71 are connected with cylindrical guide cylinders 4 through L-shaped connecting pieces 6, and the cylindrical guide cylinders 4 are sleeved on the polished rod 3.
Specifically, the upper end of the polish rod 3 is connected to the bottom of the movable die holder frame body 8, the lower end of the polish rod 3 is connected to the upper end of the bottom plate 2, the piston rod of the hydraulic cylinder 1 in the middle of the upper end of the bottom plate 2 is connected to the bottom of the lower inclined ejector block 71, and the polish rod 3 is further sleeved with a spring 5 located at the upper end of the cylindrical guide cylinder 4.
Specifically, the spot gate pipe 15 includes a pipe body 152, a protruding spot gate 151 is disposed on the top of the pipe body 152, and the lower end of the pipe body 152 is connected to the top of the upper inclined top block 72 through an external threaded pipe 153.
Specifically, when the die holder is used, the bottom of the fixed die holder 9 is provided with a first protrusion 91 inserted into the upper cavity 81, the bottom of the first protrusion 91 is provided with a second protrusion 92 inserted into the lower cavity 82, and the top of the vertical positioning rod 10 penetrates through the fixed die holder 9 and locks the fixed die holder 9 through the nut 11, so that the fixed die holder 9 and the movable die holder frame 8 are firmly and stably connected;
raw materials are sequentially injected into the bent cold flow channel 16 and the cold flow channel 14 through the heat flow pipeline 12 and the material guide pipe 18, and finally injected into a mold cavity through the convex point gate 151 on the top of the pipe body 152 for pressure maintaining and cooling to obtain a formed part, then a piston rod of the hydraulic cylinder 1 extends out to enable the inclined top block 7 to move upwards integrally until the formed part is ejected out of the mold cavity, and demolding is completed;
when the inclined ejecting block 7 integrally moves, the vertical chute 13 and the cylindrical guide cylinder 4 which are connected to the right side of the lower cavity 82 in a sliding mode through the sliding block 17 are sleeved on the polished rod 3, so that the inclined ejecting block 7 is prevented from displacing in the horizontal direction when integrally moves, and the integral moving stability of the inclined ejecting block 7 is facilitated;
the inclined ejecting block 7 comprises an upper inclined ejecting block 72 and a lower inclined ejecting block 71, and the vertical plug board 20 at the lower end of the upper inclined ejecting block 72 is inserted into the plug groove 22 on the lower inclined ejecting block 71 and is fixed through the countersunk head screw 21, so that the upper inclined ejecting block 72 and the lower inclined ejecting block 71 are conveniently assembled and installed;
after the upper inclined ejector block 72 and the lower inclined ejector block 71 are disassembled, the cold runner 14 in the upper inclined ejector block 72 can be conveniently cleaned; because the lower extreme of the spot-pouring gate pipe 15 including body 152, body 152 passes through external thread pipe 153 to be connected in the top of last sloping kicking block 72 for the spot-pouring gate pipe 15 can be dismantled, is convenient for spot-pouring gate pipe 15 and washs.
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 (6)
1. The utility model provides an injection mold advances glued structure with oblique top tunnel, includes movable mould seat framework (8), its characterized in that: the cold flow guide device is characterized in that a fixed die holder (9) is arranged at the top of the movable die holder frame body (8), an upper cavity (81) and a lower cavity (82) which are in a step shape and are communicated up and down are arranged in the inner cavity of the movable die holder frame body (8), a first bulge (91) inserted into the upper cavity (81) is arranged at the bottom of the fixed die holder frame body (8), a second bulge (92) inserted into the lower cavity (82) is arranged at the bottom of the first bulge (91), an inclined ejection block (7) is connected in the lower cavity (82) in a sliding manner, the inclined ejection block (7) comprises an upper inclined ejection block (72) and a lower inclined ejection block (71), a sliding connection block (17) is arranged on the right side of the upper inclined ejection block (72), the sliding connection block (17) is connected with a vertical sliding chute (13) on the right side of the lower cavity (82) in a sliding manner, a guide pipe (18) communicated with a bent cold flow channel (16) inside the sliding connection block (16) is arranged at the top of the sliding connection block (17), and the cold flow channel, the fixed die holder (9) top is equipped with thermal current pipeline (12) that run through first arch (91), thermal current pipeline (12) bottom stretches into the back and inserts in passage (18) via round hole (19) at vertical spout (13) top, go up the top of oblique kicking block (72) and still be equipped with a plurality of groups and point runner pipe (15) of cold runner (14) intercommunication.
2. The inclined top tunnel glue feeding structure for the injection mold according to claim 1, characterized in that: the top of the movable die holder frame body (8) is provided with a vertical positioning rod (10), and the top of the vertical positioning rod (10) penetrates through the fixed die holder (9) and locks the fixed die holder (9) through a nut (11).
3. The inclined top tunnel glue feeding structure for the injection mold according to claim 1, characterized in that: vertical plug boards (20) are arranged at the front and the rear of the lower end of the upper inclined ejector block (72), and the vertical plug boards (20) are inserted into plug grooves (22) in the lower inclined ejector block (71) and then fixed through sunk screws (21).
4. The inclined top tunnel glue feeding structure for the injection mold according to claim 1, characterized in that: the left side and the right side of the bottom of the lower inclined jacking block (71) are connected with cylindrical guide cylinders (4) through L-shaped connecting pieces (6), and the cylindrical guide cylinders (4) are sleeved on the polished rod (3).
5. The inclined top tunnel glue feeding structure for the injection mold according to claim 4, characterized in that: polished rod (3) upper end is connected in the bottom of moving die holder framework (8), the lower extreme of polished rod (3) is connected in the upper end of bottom plate (2), the piston rod of pneumatic cylinder (1) at bottom plate (2) upper end middle part is connected in the bottom of oblique kicking block (71) down, spring (5) that are located cylinder type guide cylinder (4) upper end have still been cup jointed on polished rod (3).
6. The inclined top tunnel glue feeding structure for the injection mold according to claim 1, characterized in that: the point gate pipe (15) comprises a pipe body (152), a protruding point gate (151) is arranged at the top of the pipe body (152), and the lower end of the pipe body (152) is connected to the top of the upper inclined top block (72) through an external threaded pipe (153).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336493.5A CN111070593A (en) | 2019-12-23 | 2019-12-23 | Inclined top tunnel glue feeding structure for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336493.5A CN111070593A (en) | 2019-12-23 | 2019-12-23 | Inclined top tunnel glue feeding structure for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111070593A true CN111070593A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911336493.5A Pending CN111070593A (en) | 2019-12-23 | 2019-12-23 | Inclined top tunnel glue feeding structure for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111070593A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203650855U (en) * | 2013-10-14 | 2014-06-18 | 浙江万豪模塑有限公司 | Multi-point glue inlet mechanism for injection mold ejector block |
| CN105946183A (en) * | 2016-06-08 | 2016-09-21 | 上海文业扬实业有限公司 | Plastic mold used for automotive interior |
| CN207256792U (en) * | 2017-09-21 | 2018-04-20 | 东莞市磊强实业有限公司 | A kind of Novel router outer casing mold liftout attachment |
| CN208827024U (en) * | 2018-09-03 | 2019-05-07 | 苏州准一精密工业有限公司 | A kind of liftout attachment for vertical injection mould |
| CN209191210U (en) * | 2018-10-26 | 2019-08-02 | 东莞市热恒注塑科技有限公司 | A kind of hot flow path submarine pin-point gate structure |
-
2019
- 2019-12-23 CN CN201911336493.5A patent/CN111070593A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203650855U (en) * | 2013-10-14 | 2014-06-18 | 浙江万豪模塑有限公司 | Multi-point glue inlet mechanism for injection mold ejector block |
| CN105946183A (en) * | 2016-06-08 | 2016-09-21 | 上海文业扬实业有限公司 | Plastic mold used for automotive interior |
| CN207256792U (en) * | 2017-09-21 | 2018-04-20 | 东莞市磊强实业有限公司 | A kind of Novel router outer casing mold liftout attachment |
| CN208827024U (en) * | 2018-09-03 | 2019-05-07 | 苏州准一精密工业有限公司 | A kind of liftout attachment for vertical injection mould |
| CN209191210U (en) * | 2018-10-26 | 2019-08-02 | 东莞市热恒注塑科技有限公司 | A kind of hot flow path submarine pin-point gate structure |
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