Foaming limiting tool of low-pressure foaming machine
By designing a foaming limiting fixture for a low-pressure foaming machine, using pull rods and sliding grooves to facilitate core replacement, and a motor-driven lifting plate to assist in demolding, the problems of difficult core replacement and inconvenient demolding in the existing technology are solved, improving operating efficiency and product integrity.
Patent Information
- Application Number
- CN202520302741.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing foaming machine's limiting fixtures are not convenient for changing the inner core and do not have auxiliary demolding functions, resulting in time-consuming and labor-intensive operation and increasing the burden on personnel.
A foaming limiting fixture for a low-pressure foaming machine was designed, including a mold base, cover plate, inner core, limiting plate, fixed frame, moving block, limiting pin, motor-driven lifting plate and push plate, etc. The inner core can be easily replaced by a pull rod and sliding groove, and the motor-driven lifting plate assists in demolding.
It enables simple and labor-saving replacement of the inner core, improves work efficiency, has an auxiliary demolding function, reduces the burden of personnel assistance, and ensures the integrity of the product surface.
Smart Images

Figure CN223763613U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foaming tool field, especially in low pressure foaming machine's foaming limit frock. BACKGROUND
[0002] At present, the utility model with announcement number CN214447955U discloses a foaming limiting frock of foaming machine. The limiting frock can strengthen the positioning of the top cover through the fixing mechanism, avoids the top cover from being lifted by the internal foaming expansion, but there are other problems in the use process, such as inconvenient replacement of the internal core, the shape of the product is determined by the combination of the internal core and the mold base, different internal cores need to be used when processing products of different specifications, the internal core and the cover plate are fixed through screws, which is firm, but time-consuming and laborious in the dismounting process, and does not have the auxiliary demolding function. When the foaming product is solidified, some products that are easy to demold can be directly taken out, when encountering products that are not easy to demold, personnel need to hold a wooden hammer to knock the surface of the mold base, increasing the work burden of personnel. In order to solve the above-mentioned problems, we propose a foaming limiting frock of low pressure foaming machine. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims to provide a foaming limiting frock of low pressure foaming machine, which solves the problem that the existing limiting frock is inconvenient for replacing the internal core and does not have the auxiliary demolding function.
[0004] The above technical purpose of the utility model is realized through the following technical scheme: a foaming limiting frock of low pressure foaming machine, including a mold base, a cover plate placed on the top of the mold base, an internal core provided at the bottom of the cover plate, a limiting plate symmetrically welded at the top of the internal core, a fixed frame bolted on the top of the cover plate, two moving blocks provided inside the fixed frame, a limiting spring bolted between one side of the moving block and the fixed frame through a spring fixing sheet, a limiting pin welded on the other side of the moving block, a support seat bolted on the bottom of the mold base, a first screw rod rotatably connected inside the support seat, a motor fixedly sleeved at the other end of the first screw rod, a lifting plate threadedly connected on the surface of the first screw rod, and a connecting rod symmetrically welded between the top of the lifting plate and the push plate.
[0005] The above technical scheme can facilitate the replacement of the internal core, is simple and labor-saving, accelerates the work efficiency of personnel, has good stability and flexibility, can have the auxiliary demolding function, reduces the assistance burden of personnel, guarantees the integrity of the product surface, and has high practicality.
[0006] The utility model is further provided with: a pull rod welded on the top of the moving block, and a first sliding groove matched with the pull rod is formed in the top of the fixed frame.
[0007] By means of the above technical scheme, the two limiting pins can be conveniently put into the fixed frame by one hand of the personnel.
[0008] The utility model discloses further set up as: the both sides of cover plate all are welded with connecting plate, the both sides of die holder all are welded with second screw rod, the inside of connecting plate is seted up with second sliding slot, the other end of second screw rod extends to the outside of second sliding slot and is connected with nut with screw thread.
[0009] By means of the above technical scheme, the cover plate can be fixed by the connecting plate, second screw rod, second sliding slot and nut, so that the cover plate can be prevented from being lifted up when the internal product expands.
[0010] The utility model discloses further set up as: the top of lifting plate is seted up with two guide rods, and the top and bottom of guide rod are welded with die holder and support seat respectively.
[0011] By means of the above technical scheme, the lifting plate can be limited by the guide rod, so that the lifting plate can be prevented from rotating during the up and down movement.
[0012] The utility model discloses further set up as: the both sides of support seat all are welded with mounting plate, and the top of mounting plate is seted up with mounting hole.
[0013] By means of the above technical scheme, the support seat can be fixed by the mounting plate and mounting hole.
[0014] The utility model discloses further set up as: the push board and connecting rod all are made of stainless steel material.
[0015] By means of the above technical scheme, the push board and connecting rod have the characteristics of high strength, small density and excellent corrosion resistance.
[0016] In summary, the utility model has the following beneficial effects:
[0017] 1. The utility model discloses a method for replacing the inner core, which comprises the following steps: taking out the corresponding inner core according to product requirements; holding two pull rods with one hand and moving them inward; the pull rods drive the moving block and the limiting pin to move inward into the fixed frame; then, the two limiting plates on the top of the inner core are moved upward from the bottom of the cover plate; then, the pull rods are loosened; the limiting spring is reset and drives the limiting pin to move outward; the limiting pin is inserted into the limiting hole in the limiting plate; the inner core can be conveniently replaced; the operation is simple and labor-saving; the working efficiency of personnel is improved; and the stability and flexibility are good.
[0018] 2. The utility model discloses through when product foaming solidification first the cover plate is taken off from the mould base, then starts the motor and drives the first screw to rotate, and the first screw will drive the lifting plate to move up under the cooperation of guide rod when rotating, and the lifting plate will drive the push board to move up together under the cooperation of connecting rod when moving up, and the push board will push the product to move and make it separate from the mould base surface when moving up, can possess the auxiliary stripping function, has reduced the personnel's assistance burden, has guaranteed the integrality of product surface, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the utility model structure perspective view;
[0020] Figure 2 It is the utility model structure front view;
[0021] Figure 3 It is the utility model Figure 2 A place structure enlarged view in.
[0022] Reference signs: 1, mould base;2, cover plate;3, inner core;4, limit board;5, fixed frame;6, moving block;7, limit spring;8, limit pin;9, support base;10, first screw;11, motor;12, lifting plate;13, push board;14, connecting rod;15, pull rod;16, first sliding groove;17, connecting plate;18, second screw;19, second sliding groove;20, nut;21, guide rod;22, mounting plate. DETAILED DESCRIPTION
[0023] The utility model will be further explained in detail in combination with the drawings.
[0024] Example 1:
[0025] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of foaming limiting tool of low-pressure foaming machine, including mould seat 1, the top of mould seat 1 is placed with cover plate 2, the bottom of cover plate 2 is provided with inner core 3, the top of inner core 3 is symmetrically welded with limiting plate 4, the top of cover plate 2 is bolted with fixed frame 5, the inside of fixed frame 5 is provided with two moving blocks 6, between one side of moving block 6 and fixed frame 5 by spring fixing piece bolted with limiting spring 7, the other side of moving block 6 is welded with limiting pin 8, by first according to product demand, corresponding inner core 3 is taken out, after inner core 3 is taken out, hold two pull rods 15 with one hand and move inwards, pull rod 15 when moving will drive moving block 6 and limiting pin 8 and go inwards into fixed frame 5, then two limiting plates 4 on the top of inner core 3 are passed out from the bottom of cover plate 2 upwards, then pull rod 15 is loosened, after pull rod 15 is loosened, limiting spring 7 will reset and drive limiting pin 8 to move outward, limiting pin 8 when moving outward will be inserted into the limiting hole in limiting plate 4, can conveniently replace inner core 3, simple operation saves labor, accelerates the work efficiency of personnel, and stability and flexibility are good.
[0026] Reference Figure 1 And Figure 3 The top of moving block 6 is welded with pull rod 15, the top of fixed frame 5 is provided with first sliding slot 16 used in cooperation with pull rod 15, by the setting of pull rod 15 and first sliding slot 16, can conveniently personnel one hand two limiting pins 8 go inwards into fixed frame 5.
[0027] Reference Figure 1 And Figure 2 The both sides of cover plate 2 are welded with connecting plate 17, the both sides of mould seat 1 are welded with second screw 18, the inside of connecting plate 17 is provided with second sliding slot 19, the other end of second screw 18 extends to the outside of second sliding slot 19 and is screw-threaded with nut 20, by the setting of connecting plate 17, second screw 18, second sliding slot 19 and nut 20, can fix cover plate 2, prevent when internal product inflation, it is lifted up.
[0028] Brief description of use process: by first according to product demand, corresponding inner core 3 is taken out, after inner core 3 is taken out, hold two pull rods 15 with one hand and move inwards, pull rod 15 when moving will drive moving block 6 and limiting pin 8 and go inwards into fixed frame 5, then two limiting plates 4 on the top of inner core 3 are passed out from the bottom of cover plate 2 upwards, then pull rod 15 is loosened, after pull rod 15 is loosened, limiting spring 7 will reset and drive limiting pin 8 to move outward, limiting pin 8 when moving outward will be inserted into the limiting hole in limiting plate 4.
[0029] Example 2:
[0030] Reference Figure 1 And Figure 2The utility model provides a kind of foaming limiting tool of low-pressure foaming machine, the bottom of mould base 1 is bolted with support seat 9, first screw rod 10 is rotatably connected in the inside of support seat 9, motor 11 is fixedly sleeved on the other end of first screw rod 10, lifting plate 12 is threadedly connected on the surface of first screw rod 10, push plate 13 is arranged in the inside of mould base 1, connecting rod 14 is symmetrically welded between the top of lifting plate 12 and push plate 13, when product foaming solidifies, first, cover plate 2 is taken off from mould base 1, then motor 11 is started to drive first screw rod 10 to rotate, first screw rod 10 is moved upwards by the cooperation of guide rod 21 when rotating, push plate 13 is moved upwards by the cooperation of connecting rod 14 when lifting plate 12 is moved upwards, push plate 13 is moved to make it separate from the surface of mould base 1 when moving upwards, can have the function of auxiliary stripping, reduce the burden of personnel assistance, guarantee the completeness of product surface, and high practicality.
[0031] Reference Figure 2 The top of lifting plate 12 is provided with two guide rods 21, and the top end and the bottom end of the guide rod 21 are welded with the mould base 1 and the support seat 9 respectively, and the lifting plate 12 is limited by the guide rod 21, to prevent the lifting plate 12 from rotating during the upward and downward movement.
[0032] Reference Figure 1 And Figure 2 The two sides of the support seat 9 are welded with mounting plates 22, and the top of the mounting plate 22 is provided with a mounting hole, and the mounting plate 22 and the mounting hole are provided to facilitate the personnel to fix the support seat 9 with screws.
[0033] Reference Figure 2 The push plate 13 and the connecting rod 14 are made of stainless steel material, and the push plate 13 and the connecting rod 14 have the characteristics of high strength, small density and excellent corrosion resistance.
[0034] The use process is briefly described: when product foaming solidifies, first, cover plate 2 is taken off from mould base 1, then motor 11 is started to drive first screw rod 10 to rotate, first screw rod 10 is moved upwards by the cooperation of guide rod 21 when rotating, push plate 13 is moved upwards by the cooperation of connecting rod 14 when lifting plate 12 is moved upwards, push plate 13 is moved to make it separate from the surface of mould base 1 when moving upwards.
[0035] This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A foaming limiting tool for a low-pressure foaming machine, comprising a mold base (1), characterized in that: The top of the mold base (1) is provided with a cover plate (2), the bottom of the cover plate (2) is provided with an inner core (3), the top of the inner core (3) is symmetrically welded with a limiting plate (4), the top of the cover plate (2) is bolted with a fixed frame (5), the inside of the fixed frame (5) is provided with two moving blocks (6), the side of the moving block (6) and the fixed frame (5) are bolted with a limiting spring (7) through a spring fixing sheet, the other side of the moving block (6) is welded with a limiting pin (8), the bottom of the mold base (1) is bolted with a support seat (9), the inside of the support seat (9) is rotatably connected with a first screw rod (10), the other end of the first screw rod (10) is fixedly sleeved with a motor (11), the surface of the first screw rod (10) is threadedly connected with a lifting plate (12), the inside of the mold base (1) is provided with a push plate (13), the top of the lifting plate (12) and the push plate (13) are symmetrically welded with a connecting rod (14).
2. The foaming limiting tool of a low-pressure foaming machine according to claim 1, characterized in that, The top of the moving block (6) is welded with a pull rod (15), the top of the fixed frame (5) is provided with a first sliding groove (16) matched with the pull rod (15).
3. The foaming limiting tool of a low-pressure foaming machine according to claim 1, wherein, Both sides of the cover plate (2) are welded with a connecting plate (17), both sides of the mold base (1) are welded with a second screw rod (18), the inside of the connecting plate (17) is provided with a second sliding groove (19), the other end of the second screw rod (18) extends to the outside of the second sliding groove (19) and is threadedly connected with a nut (20).
4. The foaming limiting tool of a low-pressure foaming machine according to claim 1, wherein, The top of the lifting plate (12) is provided with two guide rods (21), the top end and the bottom end of the guide rod (21) are welded with the mold base (1) and the support seat (9) respectively.
5. The foaming limiting tool of a low-pressure foaming machine according to claim 1, wherein, Both sides of the support seat (9) are welded with a mounting plate (22), the top of the mounting plate (22) is provided with a mounting hole.
6. The foaming limiting tool of a low-pressure foaming machine according to claim 1, wherein, The push plate (13) and the connecting rod (14) are both made of stainless steel material.
Citation Information
Patent Citations
Foaming limiting tool of foaming machine
CN214447955U