CN219789088U - Injection mold for pen holder of ball pen - Google Patents
Injection mold for pen holder of ball pen Download PDFInfo
- Publication number
- CN219789088U CN219789088U CN202320237528.5U CN202320237528U CN219789088U CN 219789088 U CN219789088 U CN 219789088U CN 202320237528 U CN202320237528 U CN 202320237528U CN 219789088 U CN219789088 U CN 219789088U
- Authority
- CN
- China
- Prior art keywords
- template
- design groove
- shaping groove
- lower bolster
- injection mold
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 239000012778 molding material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold for a pen holder of a ball pen, which comprises a base, an upper template and a lower template, wherein the lower template is fixed on the base, a shaping groove is formed in the lower template, two ends opposite to the shaping groove are respectively a closed end and an open end, the closed end of the shaping groove is connected with a column core extending to the open end of the shaping groove, an annular push plate is sleeved outside the column core, one side of the push plate, which is positioned at the closed end of the shaping groove, is provided with a push rod penetrating the lower template, the top of the lower template is provided with a feed channel communicated into the shaping groove, the upper template is movably connected above the lower template, the upper template is provided with a baffle plate abutted against the side wall of the lower template, and the upper template is provided with a feed inlet communicated with the feed channel. The shaping groove is integrally arranged in the lower die plate, so that defects such as a convex edge and the like are avoided on the surface of the pen holder after the demoulding, subsequent edge cutting treatment is not needed, and the production efficiency of the pen holder is improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold for a ballpoint pen holder.
Background
Ball-point pens are common writing tools in daily life, and bring great convenience to people's daily life and study. In the production process of the ball-point pen, the ball-point pen holder is generally produced in an injection molding mode, and a corresponding injection mold is needed in the injection molding process. At present, some injection molds of ball pen holders adopt a transverse opening and closing mode, one half of a shaping groove is positioned on an upper mold, the other half of the shaping groove is positioned on a lower mold, after raw materials are injected into the molds by the injection molding mode, protruding edges extending along the length direction of the two opposite sides of the outer wall of the molded ball pen holder are usually reserved due to thin seams at the merging position of the injection molds, and the protruding edges with one length are required to be flattened by a blade in the later stage, so that the processing is very troublesome, and the production efficiency is low.
Disclosure of Invention
The utility model provides an injection mold for a ballpoint pen holder, which aims to solve the problems.
The utility model adopts the following technical scheme:
the utility model provides a ballpoint pen-holder injection mold, includes base, cope match-plate pattern and lower bolster, the lower bolster is fixed on the base, and the inside cylindrical design groove that is equipped with of lower bolster, the relative both ends of design groove are blind end and open end respectively, and design groove blind end is connected with the post core that extends to design groove open end, the outside cover of post core is equipped with annular push pedal, one side that the push pedal is located design groove blind end is equipped with the push rod that runs through the lower bolster, and the lower bolster top is equipped with the feed channel that communicates to the design inslot, cope match-plate pattern swing joint is in the lower bolster top, and the one end integrated into one piece that the cope match-plate pattern is located design groove open end is connected with the baffle with lower bolster lateral wall butt, is equipped with the feed inlet that communicates to the feed channel on the cope match-plate pattern.
As a preferable technical scheme of the utility model, the outer side of the shaping groove is provided with the cooling cavity, the upper half part of the cooling cavity is in one-to-one correspondence and is semi-enclosed above the shaping groove, the lower half parts of the cooling cavity are communicated together, and one side of the cooling cavity, which is positioned at the closed end of the shaping groove, is provided with the water inlet and the water outlet.
As a preferable technical scheme of the utility model, at least two push rods are arranged on one push plate, and one ends of the push rods, which are far away from the lower template, are fixedly connected to the same connecting plate.
As a preferable technical scheme of the utility model, the two sides of the lower template are provided with the supporting columns, the upper ends of the supporting columns are provided with the guide columns, the two sides of the upper template are provided with the limiting plates corresponding to the positions of the supporting columns, the limiting plates are provided with the guide holes corresponding to the positions of the guide columns, the guide columns are movably connected in the guide holes, and the outer sides of the guide columns between the limiting plates and the supporting columns are sleeved with springs.
The beneficial effects of the utility model are as follows:
the forming groove is integrally arranged in the lower die plate, so that fine residual materials are reserved on the surface of the formed penholder only at the joint of the forming groove and the feeding channel, the penholder is extruded and broken due to the thrust of the push plate in the later demoulding process, the surface of the penholder after demoulding does not have defects such as convex edges and the like, subsequent edge cutting treatment is not needed, in addition, a cooling cavity is arranged outside the forming groove, and the penholder is rapidly cooled and formed through cooling water, so that the production efficiency of the penholder is improved compared with that of the penholder.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a partial cutaway view of the lower die plate;
FIG. 3 is a side cutaway view of the present utility model;
FIG. 4 is a schematic cross-sectional view of the structure at A-A.
The symbols in the drawings illustrate:
1: base, 2: upper template, 3: lower bolster, 4: shaping groove, 5: column core, 6: push plate, 7: push rod, 8: feed channel, 9: feed inlet, 10: baffle, 11: cooling chamber, 12: water inlet, 13: water outlet, 14: connecting plate, 15: post, 16: guide post, 17: limiting plate, 18: and (3) a spring.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
In the embodiments, it should be understood that the orientation or positional relationship indicated by the terms "middle," "upper," "lower," "top," "bottom," "right," "left," "above," "below," "back," "front," "middle," "outside," "inside," etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present embodiments, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present embodiments.
As shown in fig. 1 to 4, an injection mold for a ballpoint pen holder comprises a base 1, an upper mold plate 2 and a lower mold plate 3, wherein the lower mold plate 3 is fixed on the base 1, a plurality of horizontally arranged cylindrical forming grooves 4 are formed in the lower mold plate 3, two opposite ends of the forming grooves 4 in the length direction are respectively a closed end and an open end, namely, the open end of the forming grooves 4 is communicated with the outside, a cooled and formed pen holder can be pushed out of the lower mold plate 3 from the open end of the forming grooves 4, so that demolding is completed, the closed end of the forming grooves 4 is connected with a column core 5 extending to the open end of the forming grooves 4, the forming grooves 4 are formed as forming grooves for the pen holder, after injection molding raw materials enter the forming grooves 4, a hollow column body is formed in the space between the column core 5 and the side wall of the forming grooves 4, an annular push plate 6 is sleeved outside the column core 5, one side of the push plate 6 located at the closed end of the forming grooves 4 is provided with a push rod 7 penetrating through the lower mold plate 3, namely, the push rod 7 penetrates through the side wall of the lower mold plate 3 on the side of the forming grooves 4, and then the push plate 6 is pushed out from the closed end of the forming grooves 4 to the open end of the forming grooves 4, so that the cooled and formed pen holder is pushed out of the cooling and formed by the forming grooves 4. The top of the lower die plate 3 is provided with a feeding channel 8 communicated into the shaping tank 4, and as shown in the figure, the feeding channel 8 comprises a feeding main channel and a feeding branch channel which are communicated together, wherein the feeding main channel is used for being connected with a feeding port 9 of the upper die plate 2, and the feeding branch channel is used for communicating the feeding main channel with the shaping tank 4, so that injection molding raw materials firstly enter the lower die plate 3 from the feeding main channel, and then respectively flow into the shaping tank 4 from each feeding branch channel. The upper template 2 swing joint is in lower bolster 3 top, the one end integrated into one piece that upper template 2 is located the open end of shaping groove 4 is connected with the baffle 10 with lower bolster 3 lateral wall butt, upper template 2 upper portion and baffle 10 are L type structure promptly, when upper template 2 upper portion supports and presses in lower bolster 3 top, baffle 10 butt also forms the shutoff to the open end of shaping groove 4 on the lateral wall of lower bolster 3 simultaneously, avoid moulding plastics raw materials to flow out from the open end of shaping groove 4, be equipped with the feed inlet 9 that communicates to the feed channel on the upper template 2.
Further, a cooling cavity 11 is arranged on the outer side of the shaping groove 4, the upper half part of the cooling cavity 11 is in one-to-one correspondence and is semi-enclosed above the shaping groove 4, the lower half parts of the cooling cavity 11 are communicated together, and a water inlet 12 and a water outlet 13 are arranged on one side of the cooling cavity 11, which is located at the closed end of the shaping groove 4. After the molding material fills the molding groove, cooling water is introduced into the cooling cavity 11, the cooling water surrounds the outer side of the molding groove 4, and exchanges heat with the high-temperature molding material and takes away heat, so that the molding material is rapidly cooled and molded, the molding time of the pen holder is shortened, the production efficiency is improved, the cooling water is emptied after the cooling and molding of the pen holder are finished, and the pen holder can be demolded. In addition, the feeding branch is communicated with the top of the shaping tank 4, in the process, the feeding branch is isolated from the cooling cavity 11, namely, the section of the feeding branch, which is positioned in the cooling cavity 11, is a closed pipeline, and the lower end of the feeding branch directly penetrates through the side wall between the cooling cavity 11 and the shaping tank 4 to be communicated with the shaping tank 4, so that injection molding raw materials cannot enter the cooling cavity 11 and directly enter the shaping tank 4.
Further, at least two push rods 7 are provided on one push plate 6, and one end of the push rod 7 far away from the lower die plate 3 is fixedly connected to the same connecting plate 14. In this way, pushing the push rod 7 is facilitated by the connecting plate 14, wherein the push rod 7 can be made of a steel rod with higher hardness, and the push rod can be pushed to be demoulded.
Further, the two sides of the lower template 3 are provided with the supporting columns 15, as shown in the figure, the supporting columns 15 are arranged on the two sides of the lower template 3 in the length direction of the shaping groove 4, so that demolding of a penholder is not hindered, the upper end of the supporting columns 15 is provided with the guide columns 16, the two sides of the upper template 2 are provided with the limiting plates 17 corresponding to the positions of the supporting columns 15, the limiting plates 17 are provided with guide holes corresponding to the positions of the guide columns 16, the guide columns 16 are movably connected in the guide holes, and springs 18 are sleeved on the outer sides of the guide columns 16 between the limiting plates 17 and the supporting columns 15. When the upper template 2 is pressed down, the limiting plates 17 on two sides of the upper template can squeeze the springs 18, the springs 18 are deformed by pressure to generate reaction force, the instant force generated when the upper template 2 is pressed down is slowed down, the upper template 2 and the lower template 3 are prevented from being damaged by hard collision, and the service life of the die is prolonged.
The application principle of the utility model is as follows: firstly, the push plate 6 is moved to the closed end of the shaping groove 4, then the upper template 2 is covered above the lower template 3 (when the upper template 2 is pressed down and continuously covered above the lower template 3, the operation can be performed through a driving mechanism), a person skilled in the art can adopt the conventional driving mechanism for driving the upper template to move up and down, only the movement of moving down and lifting the upper template 2 can be realized, the structure and principle of the driving mechanism are not repeated here), the feeding inlet 9 of the upper template 2 can be aligned with the feeding main channel of the lower template 3 under the cooperation of the guide post 16 and the guide hole, meanwhile, the baffle 10 is abutted to the open end of the shaping groove 4 to form a closing effect on the open end of the shaping groove 4, after the upper template 2 is covered and stabilized, injection molding raw materials are introduced into the shaping groove 4 of the lower template from the feeding inlet 9, cooling water is introduced into the cooling cavity 11 after the injection molding is finished, the raw materials in the shaping groove 4 are rapidly cooled through the cooling water, after the cooling shaping and shaping cooling water is finished, the upper template 2 is lifted up from the upper template 3, and finally, the push plate 6 is pushed out of the push plate 6 by pushing the baffle 10, and finally the push plate 6 is pushed out of the shaping groove 6.
Finally, it should be noted that: these embodiments are merely for illustrating the present utility model and do not limit the scope of the present utility model. Further, various other changes and modifications will be apparent to those skilled in the art from the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (4)
1. The utility model provides a ballpoint pen-holder injection mold, includes base (1), cope match-plate pattern (2) and lower bolster (3), its characterized in that: the lower bolster (3) is fixed on base (1), and lower bolster (3) inside is equipped with a plurality of horizontal cylindrical design groove (4), the both ends that design groove (4) are blind end and open end respectively, design groove (4) blind end is connected with the post core that extends to design groove (4) open end, post core (5) outside cover is equipped with annular push pedal (6), push pedal (6) are located one side of design groove (4) blind end and are equipped with push rod (7) of through lower bolster (3), and lower bolster (3) top is equipped with feed channel (8) that communicate to in design groove (4), cope match-plate pattern (2) swing joint is in lower bolster (3) top, and cope match-plate pattern (2) are located the one end integrated into one piece of design groove (4) open end and are connected with baffle (10) with lower bolster (3) lateral wall butt, are equipped with feed inlet (9) that communicate to feed channel (8) on cope match-plate pattern (2).
2. The injection mold for a ballpoint pen shaft according to claim 1, wherein: the outside of design groove (4) is equipped with cooling chamber (11), the first half of cooling chamber (11) is arc structure one-to-one and partly surrounds in design groove (4) top, and cooling chamber (11) lower half intercommunication is in the same place, and one side that cooling chamber (11) are located the blind end of design groove (4) is equipped with water inlet (12) and delivery port (13).
3. The injection mold for a ballpoint pen shaft according to claim 1, wherein: one push plate (6) is provided with at least two push rods (7), and one end of each push rod (7) far away from the lower template (3) is fixedly connected to the same connecting plate (14).
4. The injection mold for a ballpoint pen shaft according to claim 1, wherein: the two sides of the lower template (3) are provided with supporting columns (15), the upper ends of the supporting columns (15) are provided with guide columns (16), two sides of the upper template (2) are provided with limiting plates (17) corresponding to the positions of the supporting columns (15), guide holes corresponding to the positions of the guide columns (16) are formed in the limiting plates (17), the guide columns (16) are movably connected in the guide holes, and springs (18) are sleeved on the outer sides of the guide columns (16) between the limiting plates (17) and the supporting columns (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237528.5U CN219789088U (en) | 2023-01-31 | 2023-01-31 | Injection mold for pen holder of ball pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237528.5U CN219789088U (en) | 2023-01-31 | 2023-01-31 | Injection mold for pen holder of ball pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789088U true CN219789088U (en) | 2023-10-03 |
Family
ID=88185603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320237528.5U Active CN219789088U (en) | 2023-01-31 | 2023-01-31 | Injection mold for pen holder of ball pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789088U (en) |
-
2023
- 2023-01-31 CN CN202320237528.5U patent/CN219789088U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112848104A (en) | Double-color injection mold for automobile instrument board decoration strip | |
| CN219789088U (en) | Injection mold for pen holder of ball pen | |
| CN211518316U (en) | Automobile double-color injection mold | |
| CN217803133U (en) | Rotary ejection mechanism of injection mold | |
| CN216267329U (en) | Mould with supplementary plug-in choked flow injection mould structure | |
| CN211683292U (en) | Worm-shaped rolling brush shaft forming die | |
| CN210553225U (en) | Portable demoulding structure of hardware mould | |
| CN208826965U (en) | A kind of vehicle air conditioning outlet mold | |
| CN106584789A (en) | Injection molding mould for upper cover of cylinder body of automobile engine | |
| CN208066989U (en) | High pressure welding ball valve valve stem sleeve disposal molding mold | |
| CN113510899A (en) | Cask injection mold | |
| CN112757583A (en) | Injection mold for ejecting injection molding piece and operation method | |
| CN219338456U (en) | Injection mold pushed out by inclined ejection | |
| CN210940261U (en) | Inner slide structure of injection mold | |
| CN206690461U (en) | One kind injection stamping die | |
| CN217414773U (en) | Mold device convenient for demolding | |
| CN210940307U (en) | Inner slide structure of injection mold for perforated part | |
| CN219686414U (en) | Pen tube tool clamp die | |
| CN218196641U (en) | Injection mold with secondary ejection | |
| CN216884990U (en) | Forming die of filter tank | |
| CN217622012U (en) | Plastic chair mold with combined inclined top demolding mechanism | |
| CN215242524U (en) | Thin-wall plastic part mould with combined ejector rod structure | |
| CN215703402U (en) | Printer side cover production mold capable of being double-time classified | |
| CN209613992U (en) | It is a kind of for producing the pumping heart shaping mold of water pump oil seal seat | |
| CN218948302U (en) | Mould for preparing automobile skylight control box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |