Flexible saddle forming die

Abstract

The utility model discloses a flexible saddle forming die which comprises an upper die and a lower die, a lower die heating plate is arranged at the bottom of the lower die, a spigot plate is arranged at the upper end of the lower die, a leather pressing plate is arranged at the upper end of the spigot plate, and the upper die is arranged above the lower die. The saddle leather surface fixing device is reasonable in structural design and convenient to use, the saddle leather surface can be fixed in the lower die in a firmer and attached mode, meanwhile, the phenomena of peduncle beating and wrinkling on the two sides of the front end and the rear end of the saddle leather surface can be avoided when the saddle leather surface is fixed, and the saddle leather surface fixing quality is improved. And the positioning steel balls and the positioning round holes are arranged, so that the upper die and the spigot plate can be conveniently positioned, the upper die can be accurately pressed on the lower die, and the production quality of the flexible saddle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of saddle production equipment, especially to a flexible saddle forming die. BACKGROUND

[0002] Foaming injection molding is a process commonly used to produce lightweight, high-strength plastic products, which can be applied to the fields of automobile parts, electronic product housings, household appliances, bicycle parts, etc. During production, the pretreated raw material liquid is usually injected into the mold to form the required shape.

[0003] In order to improve the comfort of the bicycle saddle, a foaming body is also injected into the bicycle saddle to make the saddle flexible. The current flexible saddle integrated forming equipment has the problem that the saddle skin cannot be effectively fixed during the production process, which causes the front end and the two sides of the rear end of the saddle skin to be prone to bunching and wrinkling, affecting the production quality of the flexible saddle. At the same time, the traditional flexible saddle integrated forming equipment lacks effective positioning function, which causes the upper mold to deviate during the clamping process, further affecting the production quality of the flexible saddle. Therefore, improvement is still needed. SUMMARY

[0004] The utility model discloses a flexible saddle forming die, which comprises an upper mold and a lower mold, the bottom of the lower mold is provided with a lower lower mold heating plate, the upper end of the lower mold is provided with a stop plate, the upper end of the stop plate is provided with a skin pressing plate, the upper mold is arranged above the lower mold, a saddle-shaped through slot is formed in the stop plate, positioning round holes are arranged on both sides of the saddle-shaped through slot near the front end and the rear end, anti-bunching grooves are arranged on both sides of the front end and the rear end of the outer side of the saddle-shaped through slot, and two skin positioning pins are arranged on the stop plate and are arranged at the front end and the rear end of the saddle-shaped through slot.

[0005] Preferably, a saddle-shaped through slot is also formed in the skin pressing plate, pin avoiding holes corresponding to the skin positioning pins are formed in the skin pressing plate, the pin avoiding holes are arranged at the upper and lower ends of the saddle-shaped through slot, fixed pressing blocks are arranged on the left and right sides of the skin pressing plate, and anti-bunching protrusions are arranged on the bottom of the skin pressing plate near the front end and the rear end of the saddle-shaped through slot.

[0006] Preferably, the lower mold heating plate is provided with an air extraction hole and a circulating heating water pipe, a plurality of positioning plates are arranged on the front end face of the lower mold heating plate, third air cylinders are arranged on the left and right sides of the lower mold heating plate, a pressing strip is connected to the upper end of the third air cylinder, a rotating support is arranged on the front end of the pressing strip, and the front end of the pressing strip penetrates through the rotating support.

[0007] As preferred, a plurality of negative pressure air suction holes are formed on the lower die.

[0008] As preferred, a positioning steel ball corresponding to the positioning circular hole is arranged on the upper die, and a positioning insertion hole is arranged at the left and right positions of the rear end of the upper die.

[0009] As preferred, the front end of the pressing plate, the stop plate and the lower die are all provided with a positioning tiger mouth.

[0010] As preferred, a sealing ring is arranged between the stop plate and the lower die and between the lower die and the lower die heating plate.

[0011] The saddle skin is fixed in the lower die more firmly and stably, the phenomenon of wrinkles at the front end and the rear end of the saddle skin is avoided, the positioning steel ball and the positioning circular hole are arranged to facilitate the positioning of the upper die and the stop plate, the upper die can be accurately pressed on the lower die, and the production quality of the flexible saddle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be through example and refer to the mode of the attached drawing, wherein:

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the whole structure schematic diagram of the lower die subassembly of the utility model;

[0015] Figure 3 It is the section structure schematic diagram of the utility model in Figure 2 ;

[0016] Figure 4 It is the split structure schematic diagram of the utility model;

[0017] Figure 5 It is the lower die heating plate structure schematic diagram of the utility model;

[0018] Figure 6 It is the stop plate structure schematic diagram of the utility model;

[0019] Figure 7 It is the lower die structure schematic diagram of the utility model;

[0020] Figure 8 It is the upper die structure schematic diagram of the utility model;

[0021] Figure 9 It is the local structure schematic diagram of the utility model in Figure 4 ;

[0022] Figure 10 is a partial structure schematic view of the utility model Figure 2 ;

[0023] In the figure: 1, the skin plate; 2, the stop board; 3, the lower mould; 4, the lower mould heating plate; 5, the positioning plate; 6, the lower pressing plate; 7, the fixed pressing block; 8, the sealing ring; 9, the air extraction hole; 10, the saddle skin; 11, the positioning tiger mouth; 12, the circulating heating water pipe; 13, the positioning round hole; 14, the anti-punching recess; 15, the skin positioning pin; 16, the negative pressure air suction hole; 17, the upper mould; 18, the positioning steel ball; 19, the positioning jack; 20, the air cylinder; 21, the pressing strip; 22, the rotating support. DETAILED DESCRIPTION

[0024] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any manner, except where features or steps are mutually exclusive.

[0025] Any feature of the present specification, unless explicitly stated to the contrary, can be replaced by alternative features or equivalents.

[0026] As shown in Figure 1 , 2 , 3, 4, 6, a flexible saddle forming die, including upper mould 17 and lower mould 3, the bottom of the lower mould 3 is provided with lower lower mould heating plate 4, the upper end of the lower mould 3 is provided with stop board 2, the upper end of the stop board 2 is provided with skin plate 1, the upper mould 17 is arranged above the lower mould 3, the stop board 2 is provided with saddle-shaped through slot, the two sides near the front end position and the two sides near the rear end position of the saddle-shaped through slot are provided with positioning round hole 13, the front end two sides and the rear end two sides of the outside edge of the saddle-shaped through slot are provided with anti-punching recess 14, the stop board 2 is provided with two skin positioning pins 15 and the two skin positioning pins 15 are arranged at the front end and the rear end of the saddle-shaped through slot.

[0027] As shown in Figure 2 , the skin plate 1 is also provided with saddle-shaped through slot, the skin plate 1 is provided with pin avoiding hole corresponding to the skin positioning pin 15, the pin avoiding hole is arranged at the upper and lower ends of the saddle-shaped through slot, the left and right sides of the skin plate are provided with fixed pressing block 7, the bottom of the skin plate 1 is provided with anti-punching protrusion near the front end two sides and the rear end two sides of the saddle-shaped through slot.

[0028] As shown in Figure 4 , 5, 9 The lower mold heating plate 4 is provided with an air extraction hole 9 and a circulating heating water pipe 12, a plurality of positioning plates 5 are arranged on the front end face of the lower mold heating plate 4 at intervals, third air cylinders 20 are arranged on the left and right sides of the lower mold heating plate 4, a pressing strip 21 is connected to the upper end of the third air cylinder 20, and a rotating support 22 is arranged on the front end of the pressing strip 21.

[0029] As shown in Figure 7 , a plurality of negative pressure air suction holes 16 are arranged on the lower mold 3.

[0030] As shown in Figure 1 , 8 , the upper mold 17 is provided with positioning steel balls 18 corresponding to the positioning round holes 13, positioning insertion holes 19 are arranged on the rear end of the upper mold 17 close to the left and right sides, and a lower pressing plate 6 is arranged on the upper end of the upper mold.

[0031] As shown in Figure 10 , the front ends of the pressing plate 1, the stop plate 2 and the lower mold 3 are provided with positioning tiger mouths 11.

[0032] As shown in Figure 3 , sealing rings 8 are arranged between the stop plate 2 and the lower mold 3 and between the lower mold 3 and the lower mold heating plate 4.

[0033] A gap with a thickness of a saddle skin 10 is reserved between the stop plate 2 and the pressing plate 1, which can facilitate the placement of the saddle skin 10.

[0034] In use, the positioning insertion holes 19 can facilitate the fixation of the saddle bottom plate on the upper mold 17; the positioning steel balls 18 cooperate with the positioning round holes 13 to enable the upper mold 17 to be accurately pressed on the lower mold 3, thereby improving the quality of saddle forming.

[0035] The left and right sides of the pressing plate 1 are provided with fixed pressing blocks 7, which can be pressed on the stop plate 2 after the pressing plate 1 is pressed on the stop plate 2, and the pressing strip 21 is driven upward by the air cylinder 20 to rotate around the rotating support 22, so that the pressing strip 21 is pressed on the fixed pressing block 7, thereby better pressing and clamping the saddle skin 10; the anti-knocking convex blocks on the bottom of the pressing plate 1 and the anti-knocking grooves 14 on the stop plate 2 are pressed together, which can press and fix the front end and the two sides of the rear end of the saddle skin 10 placed on the stop plate 2, avoiding the phenomenon of knocking wrinkles on the front end and the two sides of the rear end of the saddle skin 10; the arrangement of the skin positioning pin 15 can facilitate the preliminary fixation of the saddle skin 10 on the stop plate 2.

[0036] The air extraction hole 9 can form a vacuum cavity between the lower mold 3 and the lower mold heating plate 4 through air extraction after the saddle skin 10 is placed on the stop plate 2, and further, the negative pressure suction hole 16 generates suction force on the saddle skin 10, so that the saddle skin 10 is attached to the lower mold 3, and in the process, the circulating heating water pipe 12 in the lower mold heating plate 4 heats the saddle skin 10, so that the saddle skin 10 is softened and better attached to the lower mold 3.

[0037] The positioning plate 5 is arranged, so that the lower mold heating plate 4 can be quickly positioned and installed on the rack.

[0038] The positioning tiger mouth 11 is arranged, so that the stop plate 2, the leather pressing plate 1 and the lower mold 3 are more tightly covered.

[0039] The sealing ring 8 is arranged between the stop plate 2 and the lower mold 3 and between the lower mold 3 and the lower mold heating plate 4, so that the air extraction hole 9 can smoothly extract air, the vacuum cavity is formed between the stop plate 2 and the lower mold 3, and further, the negative pressure suction hole 16 on the lower mold 3 can smoothly generate suction force to suction the saddle skin 10 on the lower mold 3.

[0040] The saddle skin is more firmly attached to the lower mold, and the front end and the rear end of the saddle skin are prevented from being wrinkled when the saddle skin is fixed, the positioning steel ball and the positioning round hole are arranged, so that the upper mold and the stop plate can be positioned, the upper mold can be accurately pressed on the lower mold, and the production quality of the flexible saddle is improved.

[0041] The utility model is not limited to the foregoing specific embodiments. The utility model extends to any new feature or any new combination disclosed in the specification, and any new method or process step or any new combination.

Claims

1. A flexible saddle forming mold, comprising an upper mold (17) and a lower mold (3), characterized in that, The lower mold (3) is provided with a lower mold heating plate (4) at the bottom, and a stop plate (2) is provided at the upper end of the lower mold (3). A pressure plate (1) is provided at the upper end of the stop plate (2). The upper mold (17) is provided above the lower mold (3). A saddle-shaped through groove is provided on the stop plate (2). Positioning round holes (13) are provided on both sides of the saddle-shaped through groove near the front end and on both sides of the saddle-shaped through groove near the rear end. Anti-snagging grooves (14) are provided on both sides of the outer side of the saddle-shaped through groove at the front end and on both sides of the rear end. Two leather-faced positioning pins (15) are provided on the stop plate (2) and the two leather-faced positioning pins (15) are respectively located at the front end and the rear end of the saddle-shaped through groove.

2. The flexible saddle forming mold according to claim 1, characterized in that, The pressing plate (1) is also provided with a saddle-shaped through groove. The pressing plate (1) is provided with a pin avoidance hole corresponding to the leather surface positioning pin (15). The pin avoidance holes are located at the upper and lower ends of the saddle-shaped through groove. The left and right sides of the pressing plate are provided with fixing blocks (7). The bottom of the pressing plate (1) is provided with anti-snagging protrusions at the front and rear ends of the saddle-shaped through groove.

3. The flexible saddle forming mold according to claim 1, characterized in that, The lower mold heating plate (4) is provided with an air extraction hole (9) and a circulating heating water pipe (12). Multiple positioning plates (5) are spaced apart on the front end face of the lower mold heating plate (4). A third cylinder (20) is provided on both the left and right sides of the lower mold heating plate (4). A pressure strip (21) is connected to the upper end of the third cylinder (20). A rotating bracket (22) is provided at the front end of the pressure strip (21), and the front end of the pressure strip (21) passes through the rotating bracket (22).

4. The flexible saddle forming mold according to claim 1, characterized in that, The lower mold (3) has several negative pressure suction holes (16).

5. The flexible saddle forming mold according to claim 1, characterized in that, The upper mold (17) is provided with positioning steel balls (18) corresponding to the positioning round holes (13). Positioning insertion holes (19) are provided at the rear end of the upper mold (17) near the left and right sides. A lower pressure plate (6) is installed at the upper end of the upper mold.

6. The flexible saddle forming mold according to claim 1, characterized in that, The front ends of the pressure plate (1), the stop plate (2) and the lower mold (3) are all provided with positioning slots (11).

7. The flexible saddle forming mold according to claim 1, characterized in that, A sealing ring (8) is provided between the stop plate (2) and the lower mold (3) and between the lower mold (3) and the lower mold heating plate (4).

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