CN212372682U - Self-adaptive molding device for pressure-injection rubber type elastic handle - Google Patents
Self-adaptive molding device for pressure-injection rubber type elastic handle Download PDFInfo
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- CN212372682U CN212372682U CN202021231245.2U CN202021231245U CN212372682U CN 212372682 U CN212372682 U CN 212372682U CN 202021231245 U CN202021231245 U CN 202021231245U CN 212372682 U CN212372682 U CN 212372682U
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Abstract
The utility model relates to a mould shaping field specifically is pressure injection rubber formula elastic handle self-adaptation forming device, include through two sets of locating pins with the cable wire in the rubber elastic body fixed and utilize the pressurization to realize the fashioned self-adaptation formula lower mould pedestal of self-adaptation formula and the mould pedestal on the self-adaptation formula, set up the screwed joint fixed position cover on the self-adaptation formula lower mould pedestal, its concrete one shot forming step as follows: s1: shearing materials; s2: assembling; s3: heating; s4: processing; adopt the utility model discloses a solved the production characteristic of pressure injection rubber formula elastic handle before the rubber is not pressure injected, the length of the fixed cable wire of steel ball can produce the manufacturing error of regulation through receiving at the cable wire both ends, solved and received and pressed the fixed cable wire of steel ball and can not be because of length variation, and the pressure injection rubber formula elastic handle that leads to makes the cable wire crooked when pressure injection rubber in pressure injection rubber, the influence is pressed and is injected the phenomenon that the power of pulling up after rubber formula elastic handle pressure injection rubber can not satisfy the designing requirement.
Description
Technical Field
The utility model relates to a mould shaping field specifically is pressure injection rubber formula elastic handle self-adaptation forming device.
Background
The rubber-injection type elastic handle is formed by a handle at one end, a threaded joint at one end, a steel cable and two compression steel balls, wherein the steel cable firstly penetrates through holes prefabricated in the handle and the threaded joint, the two ends of the steel cable are fixed by the two steel balls through the compression steel balls at the two ends of the steel cable respectively, and then rubber is injected by a rubber injection device to obtain an elastic handle product. Because the production characteristic of the pressure injection rubber type elastic handle before rubber is injected, the length of the steel cable is fixed at two ends of the steel cable through the pressure receiving steel balls, the length of the steel cable has specified errors, the original pressure injection rubber type elastic handle pressure injection rubber forming device adopts a fixed structure with fixed length, the change of the length of the steel cable cannot be adapted, the condition that the pressure injection rubber type elastic handle and the tensioning steel cable with no gap of a threaded joint cannot be met is met, the steel cable can be bent in the pressure injection rubber, the pulling force after the pressure injection rubber type elastic handle is injected with rubber cannot meet the design requirement, and the phenomena that the production yield of the pressure injection rubber type elastic handle pressure injection rubber is low and the manufacturing cost is high are caused.
Disclosure of Invention
In order to solve the problem, the utility model provides a pressure injection rubber formula elastic handle self-adaptation forming device.
The self-adaptive forming device for the pressure-injection rubber type elastic handle comprises a self-adaptive lower die base body and a self-adaptive upper die base body which are used for fixing a steel cable in a rubber elastic body through two groups of positioning pins and realizing self-adaptive forming by utilizing pressurization, and a screwed joint fixing and positioning sleeve which is arranged on the self-adaptive lower die base body and is used for fixing a screwed joint.
The self-adaptive lower die base body is provided with two groups of positioning pin holes I matched with positioning pins, a half-round hole I matched with a handle in the pressure injection rubber type elastic handle and used for the length direction self-adaption function when the pressure injection rubber type elastic handle is used for pressure injection rubber, a cavity I matched with a rubber elastic body in the pressure injection rubber type elastic handle, a half-round hole II matched with a threaded joint in the pressure injection rubber type elastic handle, a half-round hole III matched with a threaded joint fixing and positioning sleeve, a half-cone hole I matched with the threaded joint fixing and positioning sleeve, and a 45-degree oblique angle I with a marking direction, so that the pressure injection rubber type elastic handle can be conveniently pried from the self-adaptive lower die base body and the self-adaptive upper die base body and distributed on prying planes at four corners of the self-adaptive lower die base body and the self-adaptive upper die base body.
And an outer cylinder matched with the semicircular hole III is arranged on the screwed joint fixing and positioning sleeve.
The self-adaptive upper die base body is provided with two groups of positioning pin holes II matched with the positioning pins, a semicircular hole IV matched with a handle in the pressure injection rubber type elastic handle and used for the length direction self-adaptive function when the pressure injection rubber type elastic handle is used for pressure injection of rubber, a cavity II matched with a rubber elastic body in the pressure injection rubber type elastic handle, a semicircular hole V matched with a threaded joint in the pressure injection rubber type elastic handle, a semicircular hole VI matched with a threaded joint fixing positioning sleeve, a semicircular hole II matched with a threaded joint fixing positioning sleeve, a 45-degree oblique angle II with a marking direction and overflow troughs used for excess rubber distributed on two sides of the cavity II when the pressure injection rubber type elastic handle is pressed.
The first locating pin and the first locating pin hole keep the interference press-in amount of 0.015-0.02; and the positioning pin and the second positioning pin hole keep an interference press-in amount of 0.08-0.12.
The threaded joint fixing and positioning sleeve is provided with a convex conical surface which is matched with the first half-conical hole and the second half-conical hole and used for limiting axial movement of the threaded joint in the pressure injection rubber type elastic handle, and the self-adaptive upper die base body is provided with a guiding outer cone matched with the second positioning pin hole.
Two groups of positioning pins are provided with outer cylinders I matched with the two groups of positioning pin holes I of the self-adaptive lower die seat body; and the two groups of positioning pins are provided with outer cylinders II matched with the two groups of positioning pin holes II of the self-adaptive lower die seat body.
The utility model has the advantages that: adopt the utility model discloses a solved the production characteristic of pressure injection rubber formula elastic handle before the rubber is not pressure injected, the length of the fixed cable wire of pressure steel ball can produce the manufacturing error of regulation in the cable wire both ends, it can not be because of length variation to have solved the fixed cable wire of pressure steel ball, and the pressure injection rubber formula elastic handle that leads to makes the cable wire crooked in pressure injection rubber when pressure injection rubber, the influence is pressed and is injected the phenomenon that the power of pulling up after rubber is injected to rubber formula elastic handle pressure and can not satisfy the designing requirement, it is low to have solved pressure injection rubber formula elastic handle pressure and has annotated rubber production qualification rate, artifical intensity of labour is big, the high class problem of manufacturing cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the structure of the rubber-injection type elastic handle of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic structural view of the self-adaptive lower mold base of the present invention;
FIG. 5 is a schematic structural view of the self-adaptive upper mold base of the present invention;
fig. 6 is a schematic structural view of the positioning pin of the present invention;
fig. 7 is a schematic view of the structure of the screwed joint fixing and positioning sleeve of the present invention.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, and the utility model is further explained below.
As shown in fig. 1 to 7, the self-adaptive molding device for the rubber-injection type elastic handle includes a self-adaptive lower die base 1 and a self-adaptive upper die base 2 for fixing a steel cable c in a rubber elastic body d by two sets of positioning pins 3 and realizing self-adaptive molding by pressurization, and a nipple fixing and positioning sleeve 4 provided on the self-adaptive lower die base 1 for fixing a nipple e.
The screwed joint fixing and positioning sleeve 4 is provided with an internal thread 401 for fastening a screwed joint e.
As shown in fig. 1, a reference sign a is a pull handle, a reference sign b is a compression steel ball, a reference sign c is a steel cable, and a reference sign d is a threaded joint.
The half taper hole 106 of the self-adaptive lower die seat body 1 is matched with the convex taper surface 402 of the threaded joint fixing and positioning sleeve 4, so that the axial movement of a threaded joint e in the pressure injection rubber type elastic handle can be limited; the self-adaptive lower die base body 1 and the semicircular hole 102 matched with the handle a in the pressure injection rubber type elastic handle enable the axial length direction to be free of constraint, and therefore the length direction self-adaptive function is achieved when the pressure injection rubber type elastic handle is used for pressure injection rubber.
The rubber elastomer d is a raw rubber blank, and can be solidified and molded by heating, pressurizing and heat preservation of a die.
The self-adaptive lower die base body 1 is provided with two groups of positioning pin holes I101 matched with the positioning pins 3, a semicircular hole I102 matched with a handle a in the pressure injection rubber type elastic handle and used for the length direction self-adaptive function when the pressure injection rubber type elastic handle is used for pressure injection rubber, a cavity I103 matched with a rubber elastic body d in the pressure injection rubber type elastic handle, and a semicircular hole II 104 matched with a threaded joint e in the pressure injection rubber type elastic handle, the three semicircular holes 105 matched with the threaded joint fixing and positioning sleeve 4, the first semi-conical hole 106 matched with the threaded joint fixing and positioning sleeve 4, the first 45-degree oblique angle 107 with the marking direction and the prying plane 108 which is convenient for prying the pressure-injection rubber type elastic handle from the self-adaptive lower die base body 1 and the self-adaptive upper die base body 2 and is distributed at four corners of the self-adaptive lower die base body 1 and the self-adaptive upper die base body 2.
Adopt the utility model discloses a solved the production characteristic of pressure rubber formula elastic handle before not pressure rubber, the length of the fixed cable wire c of steel ball b can produce the manufacturing error of regulation through the receipts pressure at cable wire c both ends, it can not be because of length variation to have solved the fixed cable wire c of receipts pressure steel ball b, and the pressure rubber formula elastic handle that leads to makes cable wire c crooked when pressure rubber in pressure rubber, the influence is drawn the pulling-up force behind the pressure rubber formula elastic handle pressure rubber and is satisfied the phenomenon of not having the designing requirement, so far pressure rubber formula elastic handle pressure rubber production qualification rate is low, artifical intensity of labour is big, the high class problem of manufacturing cost, the rubber of this department is the rubber elastomer d in the work piece.
The screwed joint fixing and positioning sleeve 4 is provided with an outer cylinder 403 matched with the semicircular hole III 105.
The self-adaptation is realized by fixing a threaded joint e on the pressure-injection rubber type elastic handle on a die without axial displacement, a handle a at the other end can realize the self-adaptation in the axial displacement of the die, the self-adaptation lower die base body 1 and the self-adaptation upper die base body 2 extrude a rubber blank of a rubber elastic body d in the die, and the axial flow of the rubber blank moves the pressure-injection rubber type elastic handle end to an unconstrained die end until a steel cable c is tensioned to meet the requirement.
The self-adaptive upper die base body 2 is provided with two groups of positioning pin holes 201 matched with the positioning pins 3, a semicircular hole four 202 matched with a handle a in the pressure injection rubber type elastic handle and used for the length direction self-adaptive function when the pressure injection rubber type elastic handle is used for pressure injection rubber, a cavity two 203 matched with a rubber elastic body d in the pressure injection rubber type elastic handle, a semicircular hole five 204 matched with a threaded joint e in the pressure injection rubber type elastic handle, a semicircular hole six 205 matched with a threaded joint fixing and positioning sleeve 4, a semicircular hole two 206 matched with a threaded joint fixing and positioning sleeve 4, a 45-degree oblique angle two 207 with a marking direction and a flash groove 208 used for excess rubber distributed on two sides of the cavity two 203 when the pressure injection rubber type elastic handle is pressed.
The positioning pin 3 and the positioning pin hole I101 keep the interference press-in amount of 0.015-0.02; the positioning pin 3 and the second positioning pin hole 201 keep the interference press-in amount of 0.08-0.12.
The screwed joint fixing and positioning sleeve 4 is provided with a convex conical surface 402 which is matched with the first half-conical hole 106 and the second half-conical hole 206 and is used for limiting the axial movement of the screwed joint e in the pressure injection rubber type elastic handle, and the self-adaptive upper die base body 2 is provided with a guide external cone 303 matched with the second positioning pin hole 201.
The two groups of positioning pins 3 are respectively provided with an outer cylinder I301 matched with the two groups of positioning pin holes I101 of the self-adaptive lower die seat body 1; and two groups of positioning pins 3 are provided with two outer cylinders 302 matched with two groups of positioning pin holes 201 of the self-adaptive lower die seat body 1.
The one-step molding method of the pressure injection rubber type elastic handle self-adaptive molding device comprises the following specific steps:
s1: material shearing: cutting the required mixed rubber material into strip-shaped material by using scissors, wherein the ratio of the cut weight to the finished product sealant surface weight is 10-15%; the finished product of the rubber surface of the pressure injection rubber type elastic handle weighs 85g, the blanking weight is 85.85g-86.28g,
s2: assembling: putting the strip-shaped material into a first cavity 103 of a self-adaptive lower die base body 1:
a. firstly, a steel cable c and two compression steel balls b are used, the steel cable c penetrates through holes prefabricated by a handle a and a threaded joint e, the two steel balls b are respectively fixed at the two ends of the steel cable c through the compression steel balls b, and the handle a at one end and the threaded joint e at the other end of the compression rubber type elastic handle are respectively fixed in the steel cable c through the compression steel balls b;
b. assembling and fastening a threaded joint e in the pressure-injection rubber type elastic handle into a threaded joint fixing and positioning sleeve 4; then matching an outer cylinder 403 and a convex conical surface 402 of an assembled screwed joint fixing and positioning sleeve 4 into a semicircular hole III 105 and a semicircular hole III 105 of a self-adaptive lower die seat body 1;
c. assembling outer cylinders I301 of two positioning pins 3 with two same positioning pin holes I101 of a self-adaptive lower die base body 1 respectively, and keeping interference press-in quantity of 0.015-0.02;
d. aligning a 45-degree oblique angle II 207 of an alignment mark direction of a self-adaptive upper die base body 2 with a 45-degree oblique angle I107 of an alignment mark direction of a self-adaptive lower die base body 1, guiding two identical positioning pin holes II 201 of the self-adaptive upper die base body 2 by using the guiding outer cones 303 of two positioning pins 3, and positioning the outer cylinders I301 of the two positioning pins 3 and the two identical positioning pin holes II 201 of the self-adaptive upper die base body 2 to determine that a cavity I103 of the self-adaptive lower die base body 1 and a cavity II 203 of the self-adaptive upper die base body 2 meet requirements;
s3: heating: putting the pressure-injection rubber type elastic handle self-adaptive forming device between an upper heating plate and a lower heating plate of a 25-ton flat vulcanizing machine, starting a hydraulic pump of the vulcanizing machine to close and pressurize the pressure-injection rubber type elastic handle self-adaptive forming device to 15MPa at the temperature of 151 +/-2 ℃, and preserving heat and pressure for 40 min;
s4: processing: unloading 25 tons of flat plates to remove the pressure of a vulcanizing machine, taking down the molding device, passing through a self-adaptive lower die base body 1 and distributing the molding device on prying planes 108 at four corners; prying and decomposing a self-adaptive lower die base body 1 and a self-adaptive upper die base body 2, taking out the molded pressure-injection rubber type elastic handle from a first molding device cavity 103 by using a copper opener, and trimming residual glue and burrs to obtain a qualified product.
The mixed rubber material in the step S1 is natural rubber; the width and length of the strip-shaped material are 4mm-5mm larger than the first cavity 103 of the self-adaptive lower die seat body 1; the width and length of the strip-shaped material are 4mm-5mm larger than the second cavity 203 of the self-adaptive upper die seat body 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Pressure injection rubber formula elasticity handle self-adaptation forming device, its characterized in that: the self-adapting lower die base body (1) and the self-adapting upper die base body (2) which fix a steel cable (c) in a rubber elastic body (d) through two groups of positioning pins (3) and realize self-adapting forming by utilizing pressurization, and a screwed joint fixing and positioning sleeve (4) which is arranged on the self-adapting lower die base body (1) and is used for fixing a screwed joint (e).
2. The injection-molding rubber-type elastic handle adaptive molding device according to claim 1, characterized in that: the self-adaptive lower die base body (1) is provided with two groups of positioning pin holes I (101) matched with the positioning pins (3), a first semicircular hole (102) matched with a handle (a) in the pressure injection rubber type elastic handle and used for the length direction self-adaptive function when the pressure injection rubber type elastic handle is used for pressure injection rubber, a first cavity (103) matched with a rubber elastic body (d) in the pressure injection rubber type elastic handle, a second semicircular hole (104) matched with a threaded joint (e) in the pressure injection rubber type elastic handle, a third semicircular hole (105) matched with a threaded joint fixed positioning sleeve (4), a first semicircular hole (106) matched with the threaded joint fixed positioning sleeve (4), a first 45-degree oblique angle (107) with a marking direction, and a flat base body which is convenient to pry up the pressure injection rubber type elastic handle from the self-adaptive lower die base body (1) and the self-adaptive upper die base body (2) and is distributed on the flat base body at four corners of the self-adaptive lower die (1) and the self-adaptive upper die (2) A face (108).
3. The self-adaptive molding device for the rubber-injection-type elastic handle according to claim 2, characterized in that: and an outer cylinder (403) matched with the semicircular hole III (105) is arranged on the screwed joint fixing and positioning sleeve (4).
4. The self-adaptive molding device for the rubber-injection-type elastic handle according to claim 2, characterized in that: the self-adaptive upper die base body (2) is provided with two groups of positioning pin holes II (201) matched with the positioning pins (3), a semicircular hole IV (202) matched with a handle (a) in the pressure injection rubber type elastic handle and used for the length direction self-adaptive function when the pressure injection rubber type elastic handle is used for pressure injection rubber, a cavity II (203) matched with a rubber elastic body (d) in the pressure injection rubber type elastic handle, and a semicircular hole V (204) matched with a threaded joint (e) in the pressure injection rubber type elastic handle, a semicircular hole six (205) matched with a screwed joint fixing and positioning sleeve (4), a semi-conical hole two (206) matched with the screwed joint fixing and positioning sleeve (4), a 45-degree oblique angle two (207) with a marking direction, and flash tanks (208) for excess rubber distributed on two sides of the cavity two (203) when pressing and injecting the rubber type elastic handle.
5. The injection-molding rubber-type elastic handle adaptive molding device according to claim 4, wherein: the positioning pin (3) and the positioning pin hole I (101) keep an interference press-in amount of 0.015-0.02; and the positioning pin (3) and the second positioning pin hole (201) keep an interference press-in amount of 0.08-0.12.
6. The injection-molding rubber-type elastic handle adaptive molding device according to claim 4, wherein: the screwed joint fixing and positioning sleeve (4) is provided with a convex conical surface (402) which is matched with the first half-conical hole (106) and the second half-conical hole (206) and used for limiting the axial movement of the screwed joint (e) in the pressure injection rubber type elastic handle, and the self-adaptive upper die base body (2) is provided with a guide outer cone (303) matched with the second positioning pin hole (201).
7. The injection-molding rubber-type elastic handle adaptive molding device according to claim 4, wherein: two groups of positioning pins (3) are respectively provided with an outer cylinder I (301) matched with two groups of positioning pin holes I (101) of the self-adaptive lower die seat body (1); and two groups of positioning pins (3) are provided with two outer cylinders (302) matched with two groups of positioning pin holes (201) of the self-adaptive lower die seat body (1).
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| CN202021231245.2U CN212372682U (en) | 2020-06-29 | 2020-06-29 | Self-adaptive molding device for pressure-injection rubber type elastic handle |
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| CN202021231245.2U CN212372682U (en) | 2020-06-29 | 2020-06-29 | Self-adaptive molding device for pressure-injection rubber type elastic handle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688166A (en) * | 2020-06-29 | 2020-09-22 | 安徽天航机电有限公司 | Self-adaptive molding device for pressure-injection rubber type elastic handle and one-step molding method thereof |
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- 2020-06-29 CN CN202021231245.2U patent/CN212372682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688166A (en) * | 2020-06-29 | 2020-09-22 | 安徽天航机电有限公司 | Self-adaptive molding device for pressure-injection rubber type elastic handle and one-step molding method thereof |
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