CN216760647U - Plastic chair backrest pattern plate insert block exchanging mechanism - Google Patents
Plastic chair backrest pattern plate insert block exchanging mechanism Download PDFInfo
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- CN216760647U CN216760647U CN202220102692.0U CN202220102692U CN216760647U CN 216760647 U CN216760647 U CN 216760647U CN 202220102692 U CN202220102692 U CN 202220102692U CN 216760647 U CN216760647 U CN 216760647U
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- pattern plate
- insert
- mounting groove
- block
- plastic chair
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Abstract
The utility model provides a plastic chair backrest pattern plate insert exchanging mechanism, and belongs to the technical field of moulds. The lower die plate comprises a lower die plate, wherein a backrest pattern plate insert is arranged on the lower die plate, the backrest pattern plate insert is embedded into the lower die plate and is detachably connected with the lower die plate, and an ejection block movably connected with the backrest pattern plate insert and an ejection assembly connected with the ejection block are arranged in the lower die plate. The backrest pattern plate insert which is detachably arranged on the lower template can be detached and replaced, so that the corresponding backrest pattern plate insert can be replaced according to the pattern on the needed plastic chair backrest, the mold cost in the production of the plastic chair backrest can be reduced, and the ejection assembly can drive the ejection block to lift along the vertical direction, so that the backrest pattern plate insert can be ejected out of the lower template when the backrest pattern plate insert needs to be detached.
Description
Technical Field
The utility model belongs to the technical field of dies, and relates to a plastic chair backrest pattern plate insert block exchange mechanism.
Background
When the plastic chair backrest is produced, different patterns need to be formed on the backrest in an injection molding mode, but when the mold in the prior art is used for producing the plastic chair backrest with different patterns, the backrest pattern plate insert cannot be detached, and when the plastic chair backrest with different patterns is produced, the plastic chair backrest needs to be produced through different molds, so that the mold cost of the plastic chair backrest is high during production.
In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a chinese patent discloses a plastic chair back mold gas-assisted flash mechanism [ application number: 201420403833.8], comprising an upper compound plate and a lower compound plate of the mould, wherein a fixed mould plate is arranged under the upper compound plate, two mould feet are arranged on the lower compound plate, a movable mould fixed plate is arranged on the mould feet, a movable mould plate is arranged on the movable mould fixed plate, a mould cavity is arranged between the movable mould plate and the fixed mould plate, an injection moulding product is arranged in the mould cavity, an upper top plate and a lower top plate are arranged between the two mould feet, an ejector rod is connected to the upper top plate and penetrates through the movable mould plate to contact with the product, a flash tank is arranged on the movable mould plate at one side of the mould cavity, the flash tank is communicated with the mould cavity through an overflow channel, a block is arranged in the overflow channel, and the block is driven by an oil cylinder, but the problems also exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a plastic chair backrest pattern plate insert exchanging mechanism.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a plastic chair back card board interchanging mechanism of inserting, includes the lower bolster, the lower bolster on be equipped with the back card board and insert, the back card board insert and imbed to the lower bolster and can dismantle with the lower bolster and be connected, the lower bolster in be equipped with the back card board insert swing joint's ejecting piece and with ejecting continuous ejecting subassembly of piece.
In the plastic chair backrest pattern plate insert block exchanging mechanism, the top of the lower template is provided with an inward-concave insert block mounting groove, and the backrest pattern plate insert block is arranged in the insert block mounting groove.
In the plastic chair back pattern plate insert block exchange mechanism, the middle part of the insert block mounting groove is provided with an ejection block mounting groove, the ejection block mounting groove is vertically arranged and is in sliding connection with an ejection block, and the upper end of the ejection block mounting groove is also provided with an ejection block limiting structure.
In the plastic chair back pattern plate insert block exchanging mechanism, the ejection assembly comprises a driving rod groove horizontally arranged in the lower template, a rotatable driving rod is horizontally arranged in the driving rod groove, the inner end of the driving rod is fixedly connected with a driving gear, and the side part of the ejection block is provided with a rack meshed with the driving gear.
In the plastic chair backrest pattern plate insert block exchanging mechanism, the driving rod groove is also internally provided with a gear cover structure, and the driving gear is arranged in the gear cover structure.
In the plastic chair back pattern plate insert block exchanging mechanism, the gear cover structure comprises a gear cover with an annular cross section, the outer diameter of the gear cover is the same as the inner diameter of the groove of the driving rod, the end part of the driving rod is inserted into the gear cover and is connected with the driving gear, and a gear window is arranged on one side, close to the ejection block, of the gear cover.
In the plastic chair backrest pattern plate insert block exchanging mechanism, the side part of the gear cover is fixedly connected with a connecting plate which is rotatably connected with the driving rod.
In the plastic chair back pattern plate insert exchanging mechanism, the ejection block limiting structure comprises a limiting block mounting groove arranged at the upper end of the ejection block mounting groove, a limiting block is arranged in the limiting block mounting groove, and a limiting sliding groove matched with the ejection block mounting groove is formed in the middle of the limiting block.
In the plastic chair back pattern plate insert block exchanging mechanism, the limiting block is detachably fixed in the limiting block mounting groove through a plurality of bolts.
In the plastic chair backrest pattern plate insert block exchanging mechanism, the bottom of the ejection block mounting groove penetrates through the lower template.
Compared with the prior art, the utility model has the advantages that:
1. the backrest pattern plate insert which is detachably arranged on the lower template can be detached and replaced, so that the corresponding backrest pattern plate insert can be replaced according to the pattern on the needed plastic chair backrest, the mold cost in the production of the plastic chair backrest can be reduced, and the ejection assembly can drive the ejection block to lift along the vertical direction, so that the backrest pattern plate insert can be ejected out of the lower template when the backrest pattern plate insert needs to be detached.
2. The driving rod can be rotated to drive the driving gear to rotate, and the driving gear can drive the ejection block to ascend or descend along the vertical direction.
3. The gear cover structure can fix the driving rod, so that the driving rod can keep a horizontal state, and the gear cover structure can also protect the driving gear.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the overall structure of a lower template;
FIG. 2 is a schematic view of the structure at the insert mounting pocket;
fig. 3 is a schematic structural diagram of the ejection assembly.
In the figure: the lower die plate comprises a lower die plate 1, a backrest pattern plate insert 2, an ejection block 3, an ejection assembly 4, an insert mounting groove 5, an ejection block limiting structure 7, a driving rod groove 8, a driving rod 9, a driving gear 10, a gear cover structure 11, a gear cover 12, a gear window 13, a connecting plate 14, a limiting block mounting groove 15, a limiting block 16 and a limiting sliding groove 17.
Detailed Description
As shown in fig. 1 to 3, the plastic chair back pattern plate insert block exchanging mechanism comprises a lower template 1, wherein a backrest pattern plate insert block 2 is arranged on the lower template 1, the backrest pattern plate insert block 2 is embedded into the lower template 1 and detachably connected with the lower template 1, and an ejection block 3 movably connected with the backrest pattern plate insert block 2 and an ejection assembly 4 connected with the ejection block 3 are arranged in the lower template 1.
In this embodiment, the back card that can dismantle the setting on the lower bolster is inserted and can be dismantled the change to corresponding back card is inserted according to the pattern change on the required plastics back, thereby the mould cost when can reducing the production plastics chair back, thereby ejecting subassembly can drive ejecting piece and go up and down along vertical direction so that can insert the back card and follow the lower bolster ejecting when the back card is inserted and need dismantle.
Specifically, as shown in fig. 1 and fig. 2, the top of the lower template 1 is provided with an inwardly recessed insert mounting groove 5, and the back face pattern plate insert 2 is arranged in the insert mounting groove 5.
Specifically, as shown in fig. 1 to 3, an ejection block mounting groove is formed in the middle of the insert mounting groove 5, the ejection block mounting groove is vertically formed, the ejection block 3 is slidably connected with the ejection block 3, and an ejection block limiting structure 7 is further arranged at the upper end of the ejection block mounting groove. The ejection block limiting structure can limit the ejection block when the ejection block moves.
Specifically, as shown in fig. 1 to fig. 3, the ejection assembly 4 includes a driving rod groove 8 horizontally disposed in the lower mold plate 1, a rotatable driving rod 9 is horizontally disposed in the driving rod groove 8, the inner end of the driving rod 9 is fixedly connected with a driving gear 10, and a rack engaged with the driving gear 10 is disposed on the side of the ejection block 3. The driving rod can be rotated to drive the driving gear to rotate, and the driving gear can drive the ejection block to ascend or descend along the vertical direction.
Preferably, as shown in fig. 3, a gear cover structure 11 is further disposed in the driving rod groove 8, and the driving gear 10 is disposed in the gear cover structure 11. The gear cover structure can fix the actuating lever, makes the actuating lever keep the horizontality, and the gear cover structure can also protect drive gear.
Specifically, as shown in fig. 3, the gear cover structure 11 includes a gear cover 12 having an annular cross section, an outer diameter of the gear cover 12 is the same as an inner diameter of the driving rod groove 8, an end of the driving rod 9 is inserted into the gear cover 12 and connected to the driving gear 10, and a gear window 13 is disposed on a side of the gear cover 12 close to the ejector block 3. The gear cover 12 is fixed in the driving rod groove, the outer diameter of the driving rod is smaller than the outer diameter of the driving rod groove, one side of the ejection block with the rack is inserted into the gear window, and the rack is meshed with the driving gear in the gear cover.
Specifically, as shown in fig. 3, a connecting plate 14 rotatably connected to the driving rod 9 is further attached to a side portion of the gear cover 12. The connecting plate is connected with the driving rod in a rotating mode, and the connecting plate can support and fix the driving rod.
Specifically speaking, as shown in fig. 3, the ejecting block limiting structure 7 includes a limiting block mounting groove 15 disposed at the upper end of the ejecting block mounting groove, a limiting block 16 is disposed in the limiting block mounting groove 15, and a limiting sliding groove 17 matched with the ejecting block mounting groove is disposed in the middle of the limiting block 16. The limiting sliding groove in the limiting block can limit the ejection block.
Preferably, as shown in fig. 2, the stopper 16 is detachably fixed in the stopper mounting groove 15 by a plurality of bolts so as to be detached.
Preferably, the bottom of the ejecting block mounting groove penetrates through the lower template 1, so that the ejecting block can be conveniently mounted and dismounted.
The working principle of the utility model is as follows: the backrest pattern plate insert which is detachably arranged on the lower template can be detached and replaced, so that the corresponding backrest pattern plate insert can be replaced according to the required pattern on the plastic chair backrest, the mold cost in the production of the plastic chair backrest can be reduced, and the ejection assembly can drive the ejection block to lift in the vertical direction, so that the backrest pattern plate insert can be ejected from the lower template when the backrest pattern plate insert needs to be detached;
the ejection block limiting structure can limit the ejection block when the ejection block moves, the driving rod is rotated to drive the driving gear to rotate, and the driving gear rotates to drive the ejection block to ascend or descend along the vertical direction;
the gear cover structure can be fixed to the actuating lever, make the actuating lever keep the horizontality, the gear cover structure can also protect drive gear, gear cover 12 is fixed at the actuating lever inslot, the external diameter in the little bull stick actuating lever groove of external diameter of actuating lever, ejecting piece has rack one side and inserts to gear window department, and the rack meshes with the drive gear in the gear cover, connecting plate and actuating lever rotate and connect, the connecting plate can support and fix the actuating lever, spacing spout in the spacing piece can carry on spacingly to ejecting piece, stopper 16 is fixed in stopper mounting groove 15 so that the stopper is dismantled through a plurality of bolt detachable, ejecting piece mounting groove bottom runs through lower bolster 1 and can be convenient for install and dismantle ejecting piece.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the lower die plate 1, the back face plate insert 2, the ejector block 3, the ejector assembly 4, the insert mounting groove 5, the ejector block limiting structure 7, the driving rod groove 8, the driving rod 9, the driving gear 10, the gear cover structure 11, the gear cover 12, the gear window 13, the connecting plate 14, the limiting block mounting groove 15, the limiting block 16, the limiting slide groove 17, etc., are used more frequently herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a plastic chair back card board interchanging mechanism of inserting, includes lower bolster (1), its characterized in that, lower bolster (1) on be equipped with back card board and insert (2), back card board insert (2) embedding to lower bolster (1) and can dismantle with lower bolster (1) and be connected, lower bolster (1) in be equipped with back card board insert (2) swing joint ejecting block (3) and ejecting subassembly (4) that link to each other with ejecting block (3).
2. The plastic chair back pattern plate insert exchanging mechanism according to claim 1, wherein an insert mounting groove (5) which is recessed inwards is formed in the top of the lower template (1), and the back pattern plate insert (2) is arranged in the insert mounting groove (5).
3. The plastic chair back pattern plate insert exchanging mechanism according to claim 2, characterized in that an ejection block mounting groove is formed in the middle of the insert mounting groove (5), the ejection block mounting groove is vertically arranged, the ejection block (3) is slidably connected with the ejection block (3), and an ejection block limiting structure (7) is further arranged at the upper end of the ejection block mounting groove.
4. The plastic chair back pattern plate insert exchanging mechanism according to claim 3, wherein the ejection assembly (4) comprises a driving rod groove (8) horizontally arranged in the lower mold plate (1), a rotatable driving rod (9) is horizontally arranged in the driving rod groove (8), a driving gear (10) is fixedly connected to the inner end of the driving rod (9), and a rack meshed with the driving gear (10) is arranged on the side portion of the ejection block (3).
5. The plastic chair back pattern plate insert exchanging mechanism according to claim 4, characterized in that a gear cover structure (11) is further arranged in the driving rod groove (8), and the driving gear (10) is arranged in the gear cover structure (11).
6. The plastic chair back pattern plate insert interchanging mechanism according to claim 5, characterized in that the gear cover structure (11) comprises a gear cover (12) with an annular cross section, the outer diameter of the gear cover (12) is the same as the inner diameter of the driving rod groove (8), the end part of the driving rod (9) is inserted into the gear cover (12) and is connected with the driving gear (10), and a gear window (13) is arranged on one side of the gear cover (12) close to the ejection block (3).
7. The plastic chair back pattern plate insert exchanging mechanism according to claim 6, wherein a connecting plate (14) rotatably connected with the driving rod (9) is further fixedly connected to the side portion of the gear cover (12).
8. The plastic chair back pattern plate insert exchanging mechanism according to claim 3, wherein the ejector block limiting structure (7) comprises a limiting block mounting groove (15) arranged at the upper end of the ejector block mounting groove, a limiting block (16) is arranged in the limiting block mounting groove (15), and a limiting sliding groove (17) matched with the ejector block mounting groove is arranged in the middle of the limiting block (16).
9. The plastic chair back pattern plate insert exchanging mechanism according to claim 8, wherein the limiting block (16) is detachably fixed in the limiting block mounting groove (15) through a plurality of bolts.
10. The plastic chair back pattern plate insert exchanging mechanism according to claim 3, wherein the bottom of the ejection block mounting groove penetrates through the lower template (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220102692.0U CN216760647U (en) | 2022-01-14 | 2022-01-14 | Plastic chair backrest pattern plate insert block exchanging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220102692.0U CN216760647U (en) | 2022-01-14 | 2022-01-14 | Plastic chair backrest pattern plate insert block exchanging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216760647U true CN216760647U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220102692.0U Active CN216760647U (en) | 2022-01-14 | 2022-01-14 | Plastic chair backrest pattern plate insert block exchanging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216760647U (en) |
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- 2022-01-14 CN CN202220102692.0U patent/CN216760647U/en active Active
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