CN214395255U - Office chair seat mold - Google Patents
Office chair seat mold Download PDFInfo
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- CN214395255U CN214395255U CN202120358067.8U CN202120358067U CN214395255U CN 214395255 U CN214395255 U CN 214395255U CN 202120358067 U CN202120358067 U CN 202120358067U CN 214395255 U CN214395255 U CN 214395255U
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Abstract
The utility model discloses an office chair seat support mould, including base, die holder, upper die base and the groove of moulding plastics, seted up the notch on the base, and notch internal connection has the locating plate to the inside fixed mounting of notch has the fixed axle, and fixed axle outside cover is established simultaneously and is installed spacing spring, be provided with the die holder on the base, and be connected with the upper die base on the die holder to the groove of moulding plastics has been seted up at the upper die base top. The utility model discloses a through at inside knockout plate, movable block and the stay cord that sets up of lower die holder for when upper die base and die holder installation, the knockout plate can closely laminate with the die holder under the effort of stay cord, convenient follow-up injection moulding, and the completion cooling shaping back of moulding plastics, when separately upper die base and die holder, under first reset spring and second reset spring's effect, the knockout plate can be ejecting with the seat support of processing completion, make it break away from the die holder, conveniently take off the material, accelerate machining efficiency.
Description
Technical Field
The utility model relates to an office chair technical field specifically is an office chair seat support mould.
Background
The office chair is various chairs that are equipped for work convenience in the social activity of daily work, plays indispensable role in daily office work, and the major component of office chair has seat support, back of the chair and chair leg etc. because a large amount of demands of office chair, now for the improvement of machining efficiency, often can use the mould to make office chair seat support, but current office chair seat support mould still has certain problem:
1. the existing office chair seat molds are mostly injection molds, an upper mold base and a lower mold base are required to be connected and detached when the office chair seat molds are used, the upper mold base and the lower mold base are required to be connected each time the office chair seat molds are used, the number of connecting blocks among the mold bases is large, the time consumed by one-to-one correspondence is large, and the installation is troublesome;
2. and the inside raw materials need be demolded work after the mould is moulded plastics, and the current mostly still manual drawing of patterns, it is longer to consume time for machining efficiency reduces, and the manual drawing of patterns causes the damage of shaping material easily.
Aiming at the problems, the innovative design is carried out on the basis of the original chair seat mould of the office chair.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an office chair seat support mould, office chair seat support mould that has now on the existing market that the solution above-mentioned background art provided is mostly injection mold, need be connected upper die base and die holder when using and the split, the connecting block is more between the die base, the time that the one-to-one consumeed is more, it is comparatively troublesome when making the installation, and the mould need carry out drawing of patterns work to inside raw materials after the completion of moulding plastics, current most still manual drawing of patterns, it is longer to consume time, make the problem that machining efficiency reduces.
In order to achieve the above object, the utility model provides a following technical scheme: an office chair seat mold comprises a base, a lower die holder, an upper die holder and an injection molding groove, wherein a notch is formed in the base, a positioning plate is connected inside the notch, a fixed shaft is fixedly installed inside the notch, a limiting spring is sleeved outside the fixed shaft, the lower die holder is arranged on the base, an upper die holder is connected to the lower die holder, the injection molding groove is formed in the top of the upper die holder, a molding cavity is formed between the lower die holder and the upper die holder, the bottom end of the injection molding groove is connected with the top of the molding cavity, an ejector plate is connected to the bottom of the molding cavity, a first reset spring is connected to the bottom of the ejector plate, a limiting sleeve is arranged inside the first reset spring, a pull rope is arranged inside the limiting sleeve, the pull rope is fixedly connected with the ejector plate, a positioning shaft is arranged inside the lower die holder, a movable groove is formed inside the lower die holder, and a connecting groove is connected to the top of the movable groove, the movable groove is internally provided with a movable block, the top of the movable block is connected with an extrusion block, a connecting shaft penetrates through the middle of the movable block, a second reset spring is sleeved on the outer side of the connecting shaft, and a connecting block is fixedly mounted at the bottom of the upper die base.
Preferably, the locating plate is connected in the inside block of notch, and the locating plate cover is established in the fixed axle outside to the locating plate constitutes sliding structure in the fixed axle outside, and spacing spring is located the locating plate and is close to base central line one side simultaneously.
Preferably, the ejector plate is located on a central shaft of the lower die holder, the outer side of the ejector plate is obliquely arranged, and the ejector plate is tightly attached to the lower die holder.
Preferably, the stop collar is flexible material, and first reset spring, stop collar and stay cord set up about the vertical center pin symmetry of die holder to the stay cord laminates with location off-axial surface each other.
Preferably, both ends of the movable block are arranged in a convex shape, and the movable block forms a clamping sliding structure in the movable groove.
Preferably, the second return spring is located below the movable block, and the extrusion block and the connection block are arranged in an up-and-down corresponding manner.
Compared with the prior art, the beneficial effects of the utility model are that: the chair seat mould of the office chair comprises a mould body,
1. the base is arranged below the lower die holder, so that the lower die holder can be positioned, the positioning plate is attached to the top end of the lower die holder, and the upper end of the positioning plate is obliquely arranged, so that the upper die holder is more convenient to position during installation, the connecting block is convenient to quickly connect with the connecting groove, and the position deviation is not easy to occur;
2. through set up the knock-out plate in the lower die holder is inside, movable block and stay cord for when upper die holder and die holder installation, the knock-out plate can closely laminate with the die holder under the effort of stay cord, make things convenient for follow-up injection moulding, and the completion cooling shaping back of moulding plastics, when separating upper die holder and die holder, under first reset spring and second reset spring's effect, the knock-out plate can be ejecting with the seat support of processing completion, make it break away from the die holder, conveniently take off the material for machining efficiency.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the notch and the positioning plate of the present invention;
FIG. 3 is a schematic view of the connection structure of the connection block and the connection groove of the present invention;
FIG. 4 is a schematic view of the connection structure of the movable block and the movable groove;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a base; 2. a notch; 3. positioning a plate; 4. a fixed shaft; 5. a limiting spring; 6. a lower die holder; 7. an upper die holder; 8. injection molding a groove; 9. a molding cavity; 10. ejecting the plate; 11. a first return spring; 12. a limiting sleeve; 13. pulling a rope; 14. positioning the shaft; 15. a movable groove; 16. connecting grooves; 17. a movable block; 18. a connecting shaft; 19. a second return spring; 20. extruding the block; 21. and (4) connecting the blocks.
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. 1-5, the present invention provides a technical solution: an office chair seat mold comprises a base 1, a lower die holder 6, an upper die holder 7 and an injection molding groove 8, wherein a notch 2 is formed in the base 1, a positioning plate 3 is connected inside the notch 2, a fixing shaft 4 is fixedly installed inside the notch 2, a limiting spring 5 is sleeved outside the fixing shaft 4, the lower die holder 6 is arranged on the base 1, the upper die holder 7 is connected onto the lower die holder 6, the injection molding groove 8 is formed in the top of the upper die holder 7, a molding cavity 9 is formed between the lower die holder 6 and the upper die holder 7, the bottom end of the injection molding groove 8 is connected with the top of the molding cavity 9, an ejector plate 10 is connected to the bottom of the molding cavity 9, a first reset spring 11 is connected to the bottom of the ejector plate 10, a limiting sleeve 12 is arranged inside the first reset spring 11, a pull rope 13 is arranged inside the limiting sleeve 12, the pull rope 13 is fixedly connected with the ejector plate 10, a positioning shaft 14 is arranged inside the lower die holder 6, a movable groove 15 is formed in the lower die holder 6, the top of the movable groove 15 is connected with a connecting groove 16, a movable block 17 is arranged in the movable groove 15, the top of the movable block 17 is connected with an extrusion block 20, a connecting shaft 18 penetrates through the middle of the movable block 17, a second return spring 19 is sleeved on the outer side of the connecting shaft 18, and a connecting block 21 is fixedly arranged at the bottom of the upper die holder 7;
the positioning plate 3 is clamped and connected inside the notch 2, the positioning plate 3 is sleeved on the outer side of the fixed shaft 4, the positioning plate 3 forms a sliding structure on the outer side of the fixed shaft 4, meanwhile, the limiting spring 5 is positioned on one side, close to the central line of the base 1, of the positioning plate 3, the positioning of the upper die holder 7 and the lower die holder 6 is facilitated through the arrangement of the positioning plate 3, and the connection of the upper die holder 7 and the lower die holder 6 is facilitated;
the ejector plate 10 is positioned on the central shaft of the lower die holder 6, the outer side of the ejector plate 10 is obliquely arranged, and the ejector plate 10 is tightly attached to the lower die holder 6, so that the ejector plate 10 does not influence the forming of the chair seat, and the ejector plate 10 plays a certain supporting role on the chair seat;
the limiting sleeve 12 is made of a telescopic material, the first return spring 11, the limiting sleeve 12 and the pull rope 13 are symmetrically arranged about a longitudinal central axis of the lower die holder 6, and the pull rope 13 is attached to the outer surface of the positioning shaft 14, so that the position adjustment of the ejector plate 10 is facilitated by the first return spring 11 and the pull rope 13;
the two ends of the movable block 17 are arranged in a convex shape, and the movable block 17 forms a clamping sliding structure in the movable groove 15, so that the movable block 17 can move more stably in the movable groove 15;
The working principle is as follows: according to fig. 1-3, when using the office chair seat mold, firstly, a worker can first place the lower die holder 6 on the base 1, place the lower die holder 6 between the positioning plates 3, under the extrusion action of the lower die holder 5, the positioning plates 3 can move on the fixed shaft 4 inside the notch 2, and under the action of the limiting springs 5, the positioning plates 3 are attached to four sides of the lower die holder 6, so that the upper end of the positioning plates 3 is attached to the upper end of the lower die holder 6, then place the upper die holder 7 on the lower die holder 6, under the action of the positioning plates 3, the upper die holder 7 is conveniently positioned, and the opening of the connecting groove 16 on the lower die holder 5 is obliquely arranged, so that the connecting block 21 can be inserted into the connecting groove 16, so that the lower die holder 6 and the upper die holder 7 can be quickly installed and connected, and the connecting block 21 extrudes the extrusion block 20, so that the extrusion block 17 is driven to move inside the movable groove 15, and the pull rope 13 is driven, so that the pull rope 13 is tensioned and drives the ejector plate 10 to move downwards, and the ejector plate 10 is tightly attached to the lower die holder 6;
according to fig. 1-5, in use of the mould, the plastic material for making the seat is injected into the forming cavity 9 through the injection groove 8, so that the plastic is molded in the molding cavity 9, after the raw material is cooled and shaped, the upper die base 7 is moved upwards, the connecting block 21 of the upper die base 7 is disengaged from the connecting groove 16, when the connecting block 21 is moved upward, the movable block 17 and the pressing block 20 are moved upward by the force of the second return spring 19, and the pulling rope 13 is loosened, so that the pulling rope 13 is recovered by the force of the first return spring 11, and the first return spring 11 lifts the ejector plate 10, so that the ejector plate 10 extrudes the molding material in the molding cavity 9 to rise, the molding material is convenient to demould and collect, the material taking time is reduced, the processing efficiency of the chair seat is accelerated, the above is the working process of the mold, and what is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an office chair seat mould, includes base (1), die holder (6), upper die base (7) and moulds plastics groove (8), its characterized in that: the injection molding device is characterized in that a notch (2) is formed in the base (1), a positioning plate (3) is connected inside the notch (2), a fixed shaft (4) is fixedly installed inside the notch (2), a limiting spring (5) is sleeved outside the fixed shaft (4), a lower die base (6) is arranged on the base (1), an upper die base (7) is connected on the lower die base (6), an injection molding groove (8) is formed in the top of the upper die base (7), a molding cavity (9) is formed between the lower die base (6) and the upper die base (7), the bottom end of the injection molding groove (8) is connected with the top of the molding cavity (9), an ejection plate (10) is connected to the bottom of the molding cavity (9), a first reset spring (11) is connected to the bottom of the ejection plate (10), a limiting sleeve (12) is arranged inside the first reset spring (11), and a pull rope (13) is arranged inside the limiting sleeve (12), stay cord (13) and knock-out plate (10) fixed connection simultaneously, die holder (6) inside is provided with location axle (14), and die holder (6) inside has seted up movable groove (15) to movable groove (15) top is connected with spread groove (16), movable groove (15) inside is provided with movable block (17), and movable block (17) top is connected with extrusion piece (20) to it has connecting axle (18) to run through in the middle of movable block (17), and connecting axle (18) outside cover is established simultaneously and is installed second reset spring (19), upper die base (7) bottom fixed mounting has connecting block (21).
2. An office chair seat mold as defined in claim 1, wherein: locating plate (3) are connected at the inside block of notch (2), and locating plate (3) cover is established in fixed axle (4) outside to locating plate (3) constitute sliding structure in fixed axle (4) outside, and spacing spring (5) are located locating plate (3) and are close to base (1) central line one side simultaneously.
3. An office chair seat mold as defined in claim 1, wherein: the ejector plate (10) is located on a central shaft of the lower die holder (6), the outer side of the ejector plate (10) is obliquely arranged, and the ejector plate (10) is tightly attached to the lower die holder (6).
4. An office chair seat mold as defined in claim 1, wherein: stop collar (12) are flexible material, and first reset spring (11), stop collar (12) and stay cord (13) set up about the vertical center pin symmetry of die holder (6) to stay cord (13) and location axle (14) surface laminate each other.
5. An office chair seat mold as defined in claim 1, wherein: the two ends of the movable block (17) are arranged in a convex shape, and the movable block (17) forms a clamping sliding structure in the movable groove (15).
6. An office chair seat mold as defined in claim 1, wherein: the second return spring (19) is positioned below the movable block (17), and the extrusion block (20) and the connecting block (21) are vertically and correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358067.8U CN214395255U (en) | 2021-02-06 | 2021-02-06 | Office chair seat mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358067.8U CN214395255U (en) | 2021-02-06 | 2021-02-06 | Office chair seat mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214395255U true CN214395255U (en) | 2021-10-15 |
Family
ID=78024869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358067.8U Active CN214395255U (en) | 2021-02-06 | 2021-02-06 | Office chair seat mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214395255U (en) |
-
2021
- 2021-02-06 CN CN202120358067.8U patent/CN214395255U/en active Active
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