CN211993951U - Passenger car rear threshold material part injection mold - Google Patents
Passenger car rear threshold material part injection mold Download PDFInfo
- Publication number
- CN211993951U CN211993951U CN201922405269.9U CN201922405269U CN211993951U CN 211993951 U CN211993951 U CN 211993951U CN 201922405269 U CN201922405269 U CN 201922405269U CN 211993951 U CN211993951 U CN 211993951U
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- fixed
- rod
- mold core
- ejection
- template
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- 238000002347 injection Methods 0.000 title claims abstract description 12
- 239000007924 injection Substances 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 title claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a passenger car back door threshold material injection mold, including the front template, front mold core and the back mold core that connect gradually, be fixed with pad foot and back template on the back mold core, still be fixed with the guide bar between back mold core and the back template, sliding sleeve is equipped with ejecting bottom plate and ejecting push pedal on the guide bar, be fixed with oil pole screens connecting block on ejecting push pedal and the ejecting bottom plate, oil pole screens connecting block connects oil cylinder piston rod one end, the oil cylinder piston rod other end is connected with ejecting oil cylinder, ejecting oil cylinder fixes in the back mold core outside, be fixed with thimble and oblique ejector pin one end on the ejecting push pedal, the thimble and the oblique ejector pin other end contact with the injection molding; the utility model discloses can effectively avoid the deformation and the fracture of ejector pin to one side for the ejecting action of ejector pin to one side is stable, and ejector pin and the convenient dismantlement of top to one side, the injection molding outward appearance form of preparation is better.
Description
Technical Field
The utility model belongs to the technical field of injection mold makes, a doorsill material spare injection mold behind passenger car is related to.
Background
The injection mold is important process equipment for producing various industrial products, along with the rapid development of the plastic industry, the plastic products of the injection mold are more and more widely applied in the fields of aviation, aerospace, electronics, machinery, automobiles and the like, along with the improvement of the structural complexity of the plastic products, ejection mechanisms such as an inclined ejector, a sliding block and the like are used in the mold structure to realize ejection of a back-off structure, and due to structural limitation in the prior art, an inclined ejector seat cannot be high during mold manufacturing, the length of the inclined ejector rod can only be prolonged, so that the inclined ejector rod is easy to deform and break in the ejection process.
Disclosure of Invention
In order to achieve the purpose, the utility model provides a doorsill material spare injection mold behind passenger car makes oblique ejector pin stable in structure through setting up the stabilizer bar, makes oblique ejector pin and oblique top at ejecting in-process non-deformable, fracture, has reduced the number of times and the cost of mould maintenance, strengthens the joint strength of oblique ejector pin and oblique top, makes the ejecting operation of mould stable.
The utility model adopts the technical proposal that the passenger car rear doorsill material injection mold comprises a front template, wherein a front mold core side is fixed on the front template, the other side of the front mold core is detachably connected with a rear mold core, two pad feet sides are fixed on the rear mold core far away from the front mold core side, a rear template is fixed on the other side of the two pad feet, a guide rod is fixed between the rear mold core and the rear template, an ejection push plate is sleeved on the guide rod in a sliding way and is positioned between the two pad feet, an ejection bottom plate is sleeved on the guide rod between the ejection push plate and the rear template in a sliding way, oil rod clamping connecting blocks are fixed on the ejection bottom plate and the ejection push plate, one end of an oil rod piston rod is connected on the oil rod clamping connecting block, the other end of the oil rod piston rod is connected with an ejection oil cylinder, the ejection oil cylinder is fixed on the rear mold core side wall, a travel switch is fixed on the side edge of the ejection push plate, a top plate travel switch contact block is fixed on the pad foot, and the travel switch is in contact with the top plate travel switch contact block;
the injection molding machine is characterized in that one end of an ejector pin is fixed on the ejection push plate, the other end of the ejector pin penetrates through the rear mold core to be contacted with an injection molding piece, an inclined ejector seat is fixed on the ejection push plate, a first sliding block is connected in the inclined ejector seat in a sliding mode, one end of an inclined ejector rod is fixed on the first sliding block, the other end of the inclined ejector rod penetrates through a wear-resistant block and the rear mold core to be connected with the bottom of the inclined ejector head, the top of the inclined ejector head is contacted with the injection molding piece, a stabilizing head is fixed on the side of the wear-resistant block, the stabilizing head and the wear-resistant block are fixed in the rear mold core, one end of a stabilizer bar is fixed at.
Furthermore, the oblique ejector rod is cylindrical, second sliding blocks are arranged on two sides of a cylinder body at the top of the oblique ejector rod, sliding grooves matched with the second sliding blocks are formed in the inner side of the oblique ejector head, threaded blind holes are further formed in the oblique ejector rod cylinder body between the second sliding blocks, threaded through holes are formed in the side wall of the oblique ejector head, and fixing bolts are fixed in the threaded blind holes and the threaded through holes.
The utility model has the advantages that: 1. the utility model prevents the inclined ejector rod from shaking in the ejection process by arranging the stabilizer bar, reduces the probability of deformation and fracture of the inclined ejector rod, and reduces the maintenance cost of the die; 2. the utility model discloses pass through slider and fixing bolt with oblique ejector pin and oblique top and connect, loading and unloading are convenient and increased the joint strength of oblique ejector pin and oblique top, and the action is stable when making the ejecting injection molding of mould, and injection molding surface appearance is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall structure diagram of the embodiment of the present invention.
Fig. 2 is a block diagram of the ejection system.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Fig. 4 is a sectional view of the lifter bar and the lifter head.
In the drawing, 1, a front template, 2, a front mold core, 3, a rear mold core, 4, a pad, 5, a travel switch, 6, a top plate travel switch contact block, 7, an ejection bottom plate, 8, an ejection push plate, 9, a rear template, 10, an oil rod clamping connection block, 11, an ejection oil cylinder, 12, a guide rod, 13, an ejector pin, 14, an inclined ejector rod, 15, an injection molding piece, 16, an inclined ejector seat, 17, an inclined ejector head, 18, a wear-resistant block, 19, a base, 20, a stabilizer bar, 21, a stabilizer head, 22, a second slider and 23 are fixed bolts.
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.
The passenger car rear doorsill material injection mold structure is shown in figure 1, and comprises a front mold plate 1, wherein the front mold plate 1 is connected with one side of a front mold core 2, the other side of the front mold core 2 is detachably connected with a rear mold core 3, two pad feet 4 and a rear mold plate 9 are sequentially fixed on one side of the rear mold core 3 far away from the front mold core 2, a guide rod 12 is further fixed between the rear mold core 3 and the rear mold plate 9, an ejection push plate 8 is slidably sleeved on the guide rod 12, an ejection bottom plate 7 is sleeved on the guide rod 12 between the ejection push plate 8 and the rear mold plate 9, the guide rod 12, the ejection bottom plate 7 and the ejection push plate 8 are positioned between the two pad feet 4, an oil rod clamping connecting block 10 is further fixed between the ejection bottom plate 7 and the ejection push plate 8, one end of an oil cylinder piston rod is connected on the oil rod clamping connecting block 10, the other end of the oil cylinder piston rod is connected with the ejection oil cylinder 11, the, a top plate travel switch contact block 6 is fixed on the pad foot 4, and the travel switch 5 is in contact with the top plate travel switch contact block 6.
As shown in fig. 2 and 3, the ejection push plate 8 is further connected with one end of a thimble 13, and the other end of the thimble 13 passes through the rear mold core 3 and contacts with an injection molding piece 15; an inclined top seat 16 is fixed on the ejection push plate 8, a first sliding block is connected in the inclined top seat 16 in a sliding mode, one end of an inclined top rod 14 is fixed on the first sliding block, the other end of the inclined top rod 14 penetrates through a wear-resistant block 18, the rear mold core 3 is detachably connected with the bottom end of the inclined top head 17, the top of the inclined top head 17 is in contact with an injection molding piece 15, the side wall of the wear-resistant block 18 is fixed with a stabilizing head 21, the wear-resistant block 18 and the stabilizing head 21 are both fixed in the rear mold core 3, the lower end of the stabilizing head 21 is fixed with one end of a stabilizer bar 20, the other end of the stabilizer bar 20 penetrates through.
As shown in fig. 4, the oblique ejector rod 14 is cylindrical, the second sliding blocks 22 are fixed on two sides of the top end of the cylinder of the oblique ejector rod 14, a sliding groove matched with the second sliding block 22 is formed in the oblique ejector head 17, a threaded blind hole is further formed in the side wall of the oblique ejector rod 14, a threaded through hole matched with the threaded blind hole in position and size is formed in the oblique ejector head 17, a fixing bolt 23 is fixed in the threaded blind hole and the threaded through hole, and after the oblique ejector head 17 and the oblique ejector rod 14 are connected through the second sliding blocks 22 in a sliding mode, the fixing bolt 23 sequentially penetrates through the threaded through hole of the oblique ejector head 17 and the threaded blind hole of the oblique ejector.
The utility model discloses during operation, use the compact heap to fix front template 1, back template 9 respectively on the fixed die plate and the movable mould board of injection molding machine, the holding ring on front template 1 is aimed at to the nozzle of injection molding machine, the movable mould board of injection molding machine promotes back template 9 and front template 1 closed, the die on the front mould benevolence 2 forms closed die cavity with the terrace die on the back mould benevolence 3, the injection molding machine pours into the die cavity into hot melt plastics, when plastics cool off to a certain extent, the injection molding machine drives back template 9 and separates with front template 1, ejection cylinder 11 drives oil pole screens connecting block 10 and moves to back mould benevolence 3, oil pole screens connecting block 10 drives ejecting bottom plate 7 and ejecting push pedal 8 and moves to back mould benevolence 3, thimble 13 and oblique ejector pin 14 promote injection molding 15 to leave back mould benevolence 3, make things convenient; in the ejection process, a travel switch 5 fixed on the side face of an ejection push plate 8 is separated from a top plate travel switch contact block 6 fixed on a pad 4, a mold closing signal line connected on the travel switch 5 is disconnected, an injection molding machine cannot drive a rear template 9 and a front template 1 to mold, the safety of taking out an injection molding piece 15 can be guaranteed, after the ejection process is finished, an ejection oil cylinder 11 sequentially drives an oil rod clamping connection block 10, an ejection bottom plate 7 and the ejection push plate 8 to return to the original position, the travel switch 5 and the top plate travel switch contact block 6 are closed, the mold closing signal line is conducted, and the injection molding machine drives the rear template 9 and the front template 1 to mold for injection molding circulation.
In the ejection process, the ejection push plate 8 drives the inclined ejector base 16 to move upwards, the inclined ejector base 16 pushes the inclined ejector rod 14 to slide upwards in the wear-resistant block 18 and the rear mold core 3 through the first sliding block in sliding connection inside the inclined ejector base 16, and further drives the inclined ejector head 17 to eject the injection molding 15 upwards, the stabilizer bar 20 is kept static in the process, the first sliding block slides on the stabilizer bar 20, the first sliding block and the wear-resistant block 18 limit the inclined ejector rod 14 at the same time, the shaking during the ejection motion of the inclined ejector rod 14 is reduced, the deformation and the breakage of the inclined ejector rod 14 are reduced, and the maintenance cost of the mold is saved.
The utility model discloses well 14 cylinder tops of oblique ejector pin both sides are equipped with second slider 22, second slider 22 sliding connection carries out tentatively fixing oblique ejector pin 14 and oblique ejector pin 17 in the spout in oblique ejector pin 17, then utilize fixing bolt 23 to consolidate it, the joint strength of oblique ejector pin 14 with oblique ejector pin 17 has been increased, make oblique ejector pin 17 more stable when ejecting action, the outward appearance form of injection molding 15 is better, and the maintenance is conveniently dismantled to oblique ejector pin 14 and oblique ejector pin 17.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (2)
1. The passenger car rear door threshold material part injection mold is characterized by comprising a front template (1), wherein one side of a front mold core (2) is fixed on the front template (1), the other side of the front mold core (2) is detachably connected with a rear mold core (3), one side of the rear mold core (3) far away from the front mold core (2) is fixed with one side of two pad feet (4), the other side of the two pad feet (4) is fixed with a rear template (9), a guide rod (12) is fixed between the rear mold core (3) and the rear template (9), an ejection push plate (8) is slidably sleeved on the guide rod (12), the guide rod (12) and the ejection push plate (8) are positioned between the two pad feet (4), an ejection bottom plate (7) is slidably sleeved on the guide rod (12) between the ejection push plate (8) and the rear template (9), and oil rod clamping connecting blocks (10) are fixed on the ejection bottom plate (7) and the ejection push plate (8), one end of an oil rod piston rod is connected to the oil rod clamping connecting block (10), the other end of the oil rod piston rod is connected with an ejection oil cylinder (11), the ejection oil cylinder (11) is fixed to the side wall of the rear mold core (3), a travel switch (5) is fixed to the side edge of the ejection push plate (8), a top plate travel switch contact block (6) is fixed to the pad foot (4), and the travel switch (5) is in contact with the top plate travel switch contact block (6);
one end of an ejector pin (13) is fixed on the ejection push plate (8), the other end of the ejector pin (13) passes through the rear die core (3) to be contacted with an injection molding piece (15), an inclined top seat (16) is fixed on the ejection push plate (8), the inclined top seat (16) is connected with a first slide block in a sliding way, one end of an inclined ejector rod (14) is fixed on the first slide block, the other end of the inclined ejector rod (14) penetrates through the wear-resistant block (18) and the rear die core (3) to be connected with the bottom of an inclined ejector head (17), the top of the inclined top head (17) is contacted with an injection molding piece (15), a stabilizing head (21) is fixed beside the wear-resistant block (18), the stabilizing head (21) and the wear-resistant block (18) are both fixed in the back die core (3), the bottom of the stabilizing head (21) is fixed with one end of a stabilizing rod (20), the other end of the stabilizing rod (20) penetrates through a first sliding block to be connected with a base (19), and the base (19) is fixed on the rear template (9).
2. The passenger car rear doorsill material part injection mold as claimed in claim 1, wherein the inclined ejector rod (14) is cylindrical, second sliding blocks (22) are arranged on two sides of a cylinder body at the top of the inclined ejector rod (14), a sliding groove matched with the second sliding blocks (22) is arranged on the inner side of the inclined ejector head (17), threaded blind holes are further formed in the cylinder body of the inclined ejector rod (14) between the second sliding blocks (22), threaded through holes are formed in the side wall of the inclined ejector head (17), and fixing bolts (23) are fixed in the threaded blind holes and the threaded through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405269.9U CN211993951U (en) | 2019-12-27 | 2019-12-27 | Passenger car rear threshold material part injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405269.9U CN211993951U (en) | 2019-12-27 | 2019-12-27 | Passenger car rear threshold material part injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211993951U true CN211993951U (en) | 2020-11-24 |
Family
ID=73429107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922405269.9U Expired - Fee Related CN211993951U (en) | 2019-12-27 | 2019-12-27 | Passenger car rear threshold material part injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211993951U (en) |
-
2019
- 2019-12-27 CN CN201922405269.9U patent/CN211993951U/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: 20201124 |