CN220763407U - Batch processing die for table and chair cushion feet - Google Patents
Batch processing die for table and chair cushion feet Download PDFInfo
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- CN220763407U CN220763407U CN202322071042.1U CN202322071042U CN220763407U CN 220763407 U CN220763407 U CN 220763407U CN 202322071042 U CN202322071042 U CN 202322071042U CN 220763407 U CN220763407 U CN 220763407U
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- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 238000000465 moulding Methods 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
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Abstract
The utility model discloses a batch processing die for table and chair cushion feet, and relates to the technical field of table and chair processing. The utility model comprises a base, a template, a base block and a demolding clamping assembly, wherein the template is arranged above the base, four rows and four columns of rectangular molding holes are formed in the template, and a reset spring is fixed on the base outside the supporting rod; the upper end of the base is also fixed with a demoulding extrusion rod vertically corresponding to the forming hole position; two opposite sides of the template are fixed with two basic blocks, a shaft lever is rotationally connected between the two basic blocks which are positioned on the same straight line on the two opposite sides of the template, and four groups of demolding clamping assemblies are sleeved outside the two shaft levers. According to the utility model, by arranging the demolding extrusion rod, the base, the template, the reset spring, the demolding clamping assembly and the shaft rod, the problem that the table and chair cushion feet cannot be quickly demolded in batches after injection molding is solved; and the foot pad of the desk and chair can still be connected with the extrusion demoulding part after demoulding, so that the foot pad of the finished product can not be taken out in batches.
Description
Technical Field
The utility model belongs to the technical field of table and chair processing, and particularly relates to a batch processing die for table and chair cushion feet.
Background
The desk and chair that needs the foot to be filled is mostly desk and chair, is the desk and chair that the student uses on lessons, is also called student desk and chair, this kind of desk and chair adopts the aluminum alloy to make, its desk foot etc. of desk and chair is usually the cutting surface of fracture, it is relatively sharp, so need the relevant foot to fill up to coat, this kind of foot that fills up is usually made of rubber, one, increase the stability of the whole desk and chair, have certain buffer effect, two, wrap up positions such as the foot, prevent student's health and collide with it to hurt;
the table and chair foot pads are generally large in quantity, are made of rubber materials and are manufactured together with the table and chair, and are usually manufactured in an injection molding mode, so that related dies are required to be processed in an auxiliary mode, but the related dies still have the following defects in the actual foot pad processing process:
1. the pad feet are mostly of round table-shaped structures with holes, the hole parts are used for coating the table feet by inserting, so that one problem is caused, due to the special structure, the friction force of rubber is large, the pad feet are difficult to be guided out from forming holes in a die after being shaped, the processing time is increased, the efficiency is reduced, the problem of inconvenient demoulding is caused no matter the pad feet are formed in an inverted mode or in a positive mode, and the round table-shaped pad feet are subjected to inverted forming treatment;
2. because the round table-shaped foot pad is formed in an inverted mode, after the round table-shaped foot pad is extruded, the round table-shaped foot pad still can be connected with an extruded demolding part due to the existence of a hollow part of the round table-shaped foot pad, and the round table-shaped foot pad still cannot be taken out in batches.
Disclosure of Invention
The utility model aims to provide a batch processing die for table and chair cushion feet, which solves the problem that the table and chair cushion feet cannot be rapidly and batched demoulded after injection molding by arranging a demould extrusion rod, a base, a template, a reset spring, a demould clamping component and a shaft lever; and the foot pad of the desk and chair can still be connected with the extrusion demoulding part after demoulding, so that the foot pad of the finished product can not be taken out in batches.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a batch processing die for table and chair cushion feet, which comprises a base, a template, a base block and a demolding clamping assembly, wherein the template is arranged above the base, four rows and four columns of rectangular forming holes are formed in the template, ear plates are fixed at four corners of the template, supporting rods are fixed at four corners of the upper end of the base, the upper parts of the supporting rods penetrate through the ear plates, and a reset spring is fixed on the base outside the supporting rods;
the upper end of the base is also fixed with a demoulding extrusion rod vertically corresponding to the forming hole position;
in the normal state of the reset spring, the upper end of the demoulding extrusion rod is arranged in a forming hole, then corresponding materials are injected into the forming hole in the template, a foot pad finished product is formed after cooling and solidification, the base is used as an installation carrier, the installation support rod and the demoulding extrusion rod are used, and the support rod is matched with the reset spring to carry out certain limit support on the template;
two opposite side surfaces of the template are fixed with two basic blocks, a shaft lever is rotationally connected between the two basic blocks which are positioned on the same straight line on the two opposite side surfaces of the template, and four groups of demolding clamping assemblies are movably sleeved outside the two shaft levers;
the demolding clamping assembly is moved by rotating the shaft rod and matching with the thread design on the surface of the shaft rod;
each demolding clamping assembly comprises a clamping strip I and a clamping strip II which are arranged in a mirror image mode, and two end parts of the clamping strip I and the clamping strip II are connected with the peripheries of the two shaft rods in a threaded mode;
when the shaft rod rotates due to the two opposite thread designs, the clamping strip I and the clamping strip II in the demolding clamping assembly can be far away from or close to each other, so that the demolding extrusion rod is clamped.
Further, the bottom end of the return spring is fixed with the upper end face of the base, and the upper end of the return spring is fixed with the bottom end of the ear plate at the corresponding position; the design of the return spring keeps the position of the template constant under the action of no external force.
Further, a cylindrical limiting block is fixed at the top end of the supporting rod and is positioned above the ear plate, and the inner diameter of the limiting block is larger than that of the supporting rod; through the big internal diameter setting of stopper, guarantee that the otic placode can not break away from branch, realize spacing use.
Further, the upper end part of the demolding extrusion rod is arranged in the molding hole, the height of the upper end surface of the demolding extrusion rod is lower than that of the upper end surface of the molding hole, the molding hole is of an inverted truncated cone-shaped hole structure, and the inner diameter of the demolding extrusion rod is equal to the inner diameter of the bottom surface of the molding hole;
after the demolding extrusion rod is inserted into the molding hole, the resulting table and chair cushion foot structure can be formed, and demolding treatment can be performed after molding.
Further, a group of demolding clamping assemblies are arranged on the templates outside each row of molding holes, cambered surface grooves are formed in opposite surfaces of the clamping strips I and the clamping strips II in the demolding clamping assemblies, the cambered surface grooves face the direction of the molding holes, and the radius of the cambered surface grooves is equal to that of the demolding extrusion rods;
and after the clamping strip I and the clamping strip II are mutually close, the corresponding cambered surface groove is attached to the periphery of the demolding extrusion rod, and the demolding extrusion rod is clamped and locked.
Further, threads are formed on the outer circumferential surfaces of the shaft rods at the connection positions of the first clamping strip and the second clamping strip and the shaft rod, and the directions of the threads at the connection positions of the first clamping strip and the shaft rod and the threads at the connection positions of the second clamping strip and the shaft rod are opposite; a motor is also fixed on the side surface of the base block at any end of the shaft rod, and an output shaft of the motor penetrates through the base block and is fixedly connected with the end part of the shaft rod;
the motor is driven to rotate the shaft rod, the clamping strips I and II are mutually close to or far away from each other due to the reverse thread design on the surface of the shaft rod, and the supporting rod extending out of the forming hole is clamped and limited.
Further, handles are fixed on two adjacent side surfaces of the template and the base block; through the setting of handle, hand handle can push down the template.
The utility model has the following beneficial effects:
1. according to the utility model, the problem that the table and chair cushion feet cannot be rapidly demoulded in batches after injection molding is solved by arranging the demould extrusion rod, the base and the template; after the foot pads are formed in the forming holes through injection molding, the template is pressed down, so that the foot pads in the forming holes are completely extruded by the demolding extrusion rod, quick batch demolding treatment is realized, the time is saved, and the efficiency is high.
2. By arranging the reset spring, the demolding clamping assembly and the shaft rod, the problem that the foot cushion of the table and chair can still be connected with the extrusion demolding part after demolding and the foot cushion of the finished product cannot be taken out in batches is solved; after the foot pad is extruded into the forming hole, the motor works, the driving shaft rod rotates, the opposite threads on the surface of the motor are designed, the clamping strip I and the clamping strip II are mutually close to each other, the supporting rod extending out of the forming hole is clamped and limited, then the base plate is loosened, the base plate is restored to the original position under the action of the reset spring, and the foot pad can be rapidly extruded out of the cushion block clamped at the top end of the demolding extruding rod through the clamping strip I and the clamping strip II due to the fact that the inner diameter of the upper portion of the foot pad is larger than the inner diameter of the demolding extruding rod, namely the inner diameter of the cambered surface groove is larger than the inner diameter of the demolding extruding rod.
Drawings
FIG. 1 is a perspective view of a batch processing mold for table and chair foot pads;
FIG. 2 is a block diagram of the template after being depressed;
FIG. 3 is a view of the connection of the template to the base after being cut away;
FIG. 4 is a block diagram of a base;
FIG. 5 is a connection diagram of a stripper clamp assembly with a shaft;
FIG. 6 is a cross-sectional view of the stripper clamp assembly shown connected to a shaft;
fig. 7 is an enlarged view of the structure at a in fig. 6.
Reference numerals:
1. a base; 101. demolding the extrusion rod; 102. a return spring; 103. a support rod; 1031. a limiting block; 2. a template; 201. ear plates; 202. a handle; 203. forming a hole; 3. a base block; 301. a motor; 302. a shaft lever; 3021. a thread; 4. a demolding clamping assembly; 401. clamping the first strip; 402. clamping a second strip; 403. a cambered surface groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-7, the utility model discloses a batch processing mold for feet of a table and chair, which comprises a base 1, a template 2, a base block 3 and a demolding clamping assembly 4, wherein the template 2 is arranged above the base 1, four rows and four columns of rectangular forming holes 203 are formed in the template 2, ear plates 201 are fixed at four corners of the template 2, supporting rods 103 are fixed at four corners of the upper end of the base 1, the upper parts of the supporting rods 103 penetrate through the ear plates 201, and reset springs 102 are fixed on the base 1 outside the supporting rods 103;
the upper end of the base 1 is also fixed with a demoulding extrusion rod 101 which vertically corresponds to the position of the forming hole 203;
in the normal state of the reset spring 102, the upper end of the demolding extrusion rod 101 is arranged in a forming hole 203, then corresponding materials are injected into the forming hole 203 in the template 2, a foot pad finished product is formed after cooling and solidification, the base 1 is used as an installation carrier, the support rod 103 and the demolding extrusion rod 101 are installed, and the support rod 103 is matched with the reset spring 102 to carry out certain limiting support on the template 2;
two opposite side surfaces of the template 2 are fixed with two base blocks 3, a shaft lever 302 is rotatably connected between the two base blocks 3 which are positioned on the same straight line on the two opposite side surfaces of the template 2, and four groups of demolding clamping assemblies 4 are movably sleeved outside the two shaft levers 302;
by rotating the shaft 302, the movement of the demolding clamping assembly 4 is realized by matching with the design of threads 3021 on the surface of the shaft 302;
each demolding clamping assembly 4 comprises a clamping strip I401 and a clamping strip II 402 which are arranged in a mirror image mode, and two end parts of the clamping strip I401 and the clamping strip II 402 are connected to the peripheries of the two shaft rods 302 through threads 3021;
the two opposing threads 3021 are designed such that when the shaft 302 is rotated, the first 401 and second 402 gripping bars in the stripper gripping assembly 4 may be moved away from or toward each other to grip the stripper bar 101.
The bottom end of the return spring 102 is fixed with the upper end surface of the base 1, and the upper end of the return spring 102 is fixed with the bottom end of the ear plate 201 at the corresponding position; the design of the return spring 102 keeps the position of the die plate 2 constant without the effect of external force.
A cylindrical limiting block 1031 is fixed at the top end of the supporting rod 103, the limiting block 1031 is positioned above the ear plate 201, and the inner diameter of the limiting block 1031 is larger than that of the supporting rod 103; through the large inner diameter setting of stopper 1031, guarantee that otic placode 201 can not break away from branch 103, realize spacing use.
The upper end part of the demoulding extrusion rod 101 is arranged in the forming hole 203, but the height of the upper end surface of the demoulding extrusion rod 101 is lower than that of the upper end surface of the forming hole 203, the forming hole 203 is of an inverted truncated cone-shaped hole structure, and the inner diameter of the demoulding extrusion rod 101 is equal to the inner diameter of the bottom surface of the forming hole 203;
after the demolding extrusion rod 101 is inserted into the molding hole 203, the resulting table and chair foot cushion structure can be formed, and demolding treatment can be performed after molding.
A group of demolding clamping assemblies 4 are arranged on the mold plates 2 outside each row of molding holes 203, cambered surface grooves 403 are formed in opposite surfaces of the clamping strips 401 and 402 in the demolding clamping assemblies 4, the cambered surface grooves 403 face the direction of the molding holes 203, and the radius of the cambered surface grooves 403 is equal to that of the demolding extrusion rod 101;
after the clamping strip I401 and the clamping strip II 402 are mutually close, the corresponding cambered surface groove 403 is attached to the periphery of the demolding extrusion rod 101, and clamps and locks the demolding extrusion rod 101.
Threads 3021 are arranged on the outer circumferential surface of the shaft rod 302 at the connection position of the clamping strip I401 and the clamping strip II 402 and the shaft rod 302, and the directions of the threads 3021 at the connection position of the clamping strip I401 and the shaft rod 302 and the threads 3021 at the connection position of the clamping strip II 402 and the shaft rod 302 are opposite; the side surface of the base block 3 at any end of the shaft rod 302 is also fixed with a motor 301, and an output shaft of the motor 301 penetrates through the base block 3 and is fixedly connected with the end part of the shaft rod 302;
the motor 301 is driven to rotate the shaft 302, and the opposite threads 3021 on the surface of the shaft are designed to enable the first clamping bar 401 and the second clamping bar 402 to approach or separate from each other, so as to clamp and limit the supporting rod 103 extending out of the forming hole 203.
Handles 202 are fixed on two sides of the template 2 adjacent to the base block 3; by providing the handle 202, the die plate 2 can be pressed down by holding the handle 202.
The specific working principle of the utility model is as follows: in the normal state of the reset spring 102, the upper end of the demolding extrusion rod 101 is placed in the molding hole 203, then corresponding materials are injected into the molding hole 203 in the template 2, a foot pad finished product is obtained after cooling and solidification, then the template 2 is pressed down by holding the handle 202, the reset spring 102 is compressed, the demolding extrusion rod 101 extrudes all the foot pads in the molding hole 203, then the shaft rod 302 is driven by the motor 301 to rotate, opposite threads 3021 on the surface of the shaft rod 302 are designed, the clamping strip I401 and the clamping strip II 402 are close to each other, the supporting rod 103 extending out of the molding hole 203 is clamped and limited, at the moment, the handle 202 is released, the template 2 is restored to the original position under the action of the reset spring 102, and in the process, the inner diameter of the upper part of the foot pad is larger than the inner diameter of the demolding extrusion rod 101, namely, than the inner diameter of the cambered surface groove 403, so that a cushion block which is fast clamped at the top end of the demolding extrusion rod 101 can be rapidly extruded through the clamping strip I401 and the clamping strip II 402, and the foot pad can be completely separated, and the finished foot pad is obtained.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (7)
1. The utility model provides a batch mold processing of table chair cushion foot, includes base (1), template (2), basic block (3) and drawing of patterns centre gripping subassembly (4), its characterized in that: the template (2) is arranged above the base (1), four rows and four columns of rectangular forming holes (203) are formed in the template (2), ear plates (201) are fixed at four corners of the template (2), supporting rods (103) are fixed at four corners of the upper end of the base (1), the upper parts of the supporting rods (103) penetrate through the ear plates (201), and reset springs (102) are fixed on the base (1) outside the supporting rods (103);
the upper end of the base (1) is also fixed with a demoulding extrusion rod (101) vertically corresponding to the position of the forming hole (203);
two opposite side surfaces of the template (2) are fixed with two base blocks (3), a shaft lever (302) is rotationally connected between the two base blocks (3) which are positioned on the same straight line on the two opposite side surfaces of the template (2), and four groups of demolding clamping assemblies (4) are sleeved outside the two shaft levers (302) in a movable mode;
each demolding clamping assembly (4) comprises a clamping strip I (401) and a clamping strip II (402) which are arranged in a mirror image mode, and two end portions of the clamping strip I (401) and the clamping strip II (402) are connected with the peripheries of the two shafts (302) through threads (3021).
2. The batch processing mold for table and chair cushion feet according to claim 1, wherein: the bottom end of the return spring (102) is fixed with the upper end face of the base (1), and the upper end of the return spring (102) is fixed with the bottom end of the lug plate (201) at the corresponding position.
3. The batch processing mold for table and chair cushion feet according to claim 1, wherein: a cylindrical limiting block (1031) is fixed at the top end of the supporting rod (103), the limiting block (1031) is located above the ear plate (201), and the inner diameter of the limiting block (1031) is larger than that of the supporting rod (103).
4. The batch processing mold for table and chair cushion feet according to claim 1, wherein: the upper end part of the demolding extrusion rod (101) is arranged in the molding hole (203), but the height of the upper end surface of the demolding extrusion rod (101) is lower than that of the upper end surface of the molding hole (203), the molding hole (203) is of an inverted truncated cone-shaped hole structure, and the inner diameter of the demolding extrusion rod (101) is equal to the inner diameter of the bottom surface of the molding hole (203).
5. The batch processing die for table and chair cushion feet according to claim 4, wherein: and a group of demolding clamping assemblies (4) are arranged on the templates (2) outside the molding holes (203) in each row, cambered surface grooves (403) are formed on opposite surfaces of the clamping strips I (401) and the clamping strips II (402) in the demolding clamping assemblies (4), the cambered surface grooves (403) face the molding holes (203) and the radiuses of the cambered surface grooves (403) are equal to the radiuses of the demolding extrusion rods (101).
6. The batch processing mold for table and chair cushion feet according to claim 1, wherein: threads (3021) are arranged on the outer circumferential surfaces of the shaft rods (302) at the connection positions of the first clamping strip (401) and the second clamping strip (402) and the shaft rods (302), and the directions of the threads (3021) at the connection positions of the first clamping strip (401) and the shaft rods (302) and the threads (3021) at the connection positions of the second clamping strip (402) and the shaft rods (302) are opposite; the side face of the base block (3) at any end of the shaft lever (302) is also fixed with a motor (301), and an output shaft of the motor (301) penetrates through the base block (3) and is fixedly connected with the end part of the shaft lever (302).
7. The batch processing mold for table and chair cushion feet according to claim 1, wherein: handles (202) are fixed on two side surfaces of the template (2) adjacent to the base block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071042.1U CN220763407U (en) | 2023-08-02 | 2023-08-02 | Batch processing die for table and chair cushion feet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071042.1U CN220763407U (en) | 2023-08-02 | 2023-08-02 | Batch processing die for table and chair cushion feet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763407U true CN220763407U (en) | 2024-04-12 |
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ID=90618457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071042.1U Active CN220763407U (en) | 2023-08-02 | 2023-08-02 | Batch processing die for table and chair cushion feet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763407U (en) |
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2023
- 2023-08-02 CN CN202322071042.1U patent/CN220763407U/en active Active
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