CN110561692B - Manufacturing die and manufacturing method of rubber vibration damper - Google Patents
Manufacturing die and manufacturing method of rubber vibration damper Download PDFInfo
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- CN110561692B CN110561692B CN201910858537.4A CN201910858537A CN110561692B CN 110561692 B CN110561692 B CN 110561692B CN 201910858537 A CN201910858537 A CN 201910858537A CN 110561692 B CN110561692 B CN 110561692B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/305—Mounting of moulds or mould support plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1742—Mounting of moulds; Mould supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
The invention discloses a manufacturing die and a manufacturing method of a rubber vibration damper, wherein the rubber vibration damper for manufacturing is formed by laminating a plurality of rubbers and a plurality of steel laminates, and a steel seat plate is arranged at the rubber part of the bottommost layer; the manufacturing mold is a closed box body consisting of a cavity, a detachable front side plate and a detachable cover plate; the cavity is a semi-closed box body consisting of a bottom plate, a left side plate, a right side plate and a rear side plate; and a plurality of steel laminates are fixed in the cavity at intervals, the front side plate and the cover plate are respectively installed on the cavity, rubber liquid is injected into the cavity of the mold through an injection port on the installed manufacturing mold, and the rubber liquid is taken out after cooling to complete the manufacturing of the rubber vibration damper. The manufacturing method can effectively limit the position of the steel laminate, avoid the deformation of the steel laminate when pouring rubber, and improve the reliability and the service life of the vibration reduction block. Meanwhile, the multilayer rubber vibration damper has the advantages of good vibration damping effect, good heat dissipation, small internal stress, difficult cracking and the like.
Description
Technical Field
The invention relates to a manufacturing die of a rubber vibration damper, and belongs to the technical field of dies.
Background
The cargo compartment vibration damping device is a vibration damping device which is required to be equipped on the mining dump truck and is used for reducing the impact of the cargo compartment on a frame and the vibration of the cargo compartment and goods generated by ground excitation, and improving the running smoothness of the vehicle. In the existing casting process, a long-strip-shaped clamping groove or no clamping groove is arranged on a grinding tool, and in the casting process, the steel laminate can deform due to the flowing of rubber liquid; more cautiously, the steel laminate has no fabrication hole, and the rubber flows unsmoothly, which results in uneven density or inadequate flow of the damping block, and the above problems all cause the reduction of the damping performance and the shortening of the service life of the damping block.
Disclosure of Invention
The invention provides a manufacturing die of a rubber vibration damper, which is used for manufacturing the rubber vibration damper.
The invention is realized according to the following technical scheme:
a manufacturing mould of a rubber vibration damper is used for manufacturing the rubber vibration damper, and the rubber vibration damper is formed by laminating a plurality of rubbers and a plurality of steel laminates, wherein a steel seat plate is arranged at the rubber part at the bottommost layer; the manufacturing mold is a closed box body consisting of a cavity, a detachable front side plate and a detachable cover plate; the cavity is a semi-closed box body consisting of a bottom plate, a left side plate, a right side plate and a rear side plate; and a plurality of steel laminates are fixed in the cavity at intervals, the front side plate and the cover plate are respectively installed on the cavity, rubber liquid is injected into the cavity of the mold through an injection port on the installed manufacturing mold, and the rubber liquid is taken out after cooling to complete the manufacturing of the rubber vibration damper.
Further, all be equipped with the corresponding circular draw-in groove of multirow along length direction on bottom plate surface and apron bottom surface, fix the steel plywood through upper and lower draw-in groove, the draw-in groove row number is unanimous with the number of piles of steel plywood.
Further, the distance between the circular clamping grooves in two adjacent rows is the same, so that the thickness of the rubber in each layer is the same.
Further, the distance between the circular clamping grooves in two adjacent rows from the front side plate to the rear side plate is gradually reduced, so that the thickness of the rubber on each layer becomes thinner from bottom to top layer by layer.
Furthermore, the bottom surface of the clamping groove, the surface of the bottom plate and the bottom surface of the cover plate are respectively provided with a height difference L1, so that after the steel laminate is fixed in the clamping groove of the cavity and the cover plate, a gap L1 is kept between the steel laminate and the upper wall and the lower wall of the mold, the rubber liquid can flow conveniently, and the steel laminate can be wrapped by rubber.
Furthermore, through holes I are formed in two ends of the surface of the steel seat plate and used for embedding bolts in the rubber vibration damper, so that the stud end faces outwards, the hexagonal bolt head is embedded in the rubber, and the hexagonal bolt head is welded with the steel seat plate; and through holes II corresponding to the through holes I are formed in the two ends of the front side plate, and the studs continuously penetrate through the through holes II and then are locked through nuts, so that the steel base plate is attached to the front side plate.
Furthermore, the size of the circumference of the steel seat plate is smaller than the size of an inner cavity of the mold, a gap of L2 is reserved in the circumference, and rubber liquid enters the preset gap to wrap the steel seat plate.
Furthermore, the front side plate and the cavity are clamped together by matching outer rabbets on the two sides of the front side plate with inner rabbets on the left side plate and the right side plate; the cross section of the cover plate is a T-shaped surface, so that the cover plate covers the cavity.
A manufacturing method of the manufacturing mold based on the rubber vibration damper comprises the following steps:
step one, cleaning up a cavity, a front side plate, a cover plate, a plurality of steel laminates, a steel base plate and a welded assembly of bolts to avoid oil stains;
step two, mounting the assembly of the steel seat plate and the bolt after welding on the front side plate, and locking the assembly through a nut;
step three, placing a plurality of steel laminates on the clamping grooves in the cavity;
step four, mounting the front side plate in the step two on the cavity in the step three;
installing a cover plate, wherein each steel laminate is required to be embedded into a clamping groove in the cover plate;
and step six, injecting the rubber liquid into the mold cavity through a set filling port, cooling and taking out to finish the manufacturing of the rubber vibration damper.
The invention has the beneficial effects that:
the manufacturing method can effectively limit the position of the steel laminate, avoid the deformation of the steel laminate when pouring rubber, and improve the reliability and the service life of the vibration reduction block. Meanwhile, the multilayer rubber vibration damper has the advantages of good vibration damping effect, good heat dissipation, small internal stress, difficult cracking and the like.
Drawings
FIG. 1 is a manufacturing mold structure of a rubber vibration damper according to the present invention;
FIG. 2 shows the steel laminate and the steel seat plate of the present invention fixed in a manufacturing mold (2 (a) is a bottom view, 2 (b) is a front view, 2 (C) is a side view, 2 (D) is an enlarged view of the C portion, and 2 (e) is an enlarged view of the D portion);
FIG. 3 is a fixing structure of the steel seat plate and the side plate of the manufacturing mold according to the present invention;
fig. 4 is a perspective view of a cavity structure (4 (a), a front view of 4 (b), a top view of 4 (c), a side view of 4 (d), and an enlarged view of part E) of the manufacturing mold according to the present invention;
fig. 5 is a perspective view of a cover plate structure (5 (a), 5 (b), 5 (c), 5 (d), 5 (e), and an enlarged view of a portion F) of the mold according to the present invention;
FIG. 6 is a view showing the structure of the rubber vibration damper according to the present invention (6 (a) is a bottom view, 6 (b) is a front view, and 6 (c) is a top view);
FIG. 7 is a welded structure of the steel seat plate and the mounting bolts according to the present invention;
FIG. 8 is a steel laminate structure of the rubber vibration damper of the present invention.
Reference numbers in the figures: 4. a rubber vibration damping device; 4-1, steel base plate; 4-2a, 4-2b, 4-2c, a rubber layer; 4-3a, 4-3b steel laminates; 4-4, embedding bolts; 40. manufacturing a mould; 40-1, a cavity; 40-2, a front side plate; 40-3, a cover plate; 40-4, a nut; 40-5 and a clamping groove.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in FIG. 1, a manufacturing mold for a rubber vibration damper, a manufacturing mold 40 is a closed box body composed of a cavity 40-1, a detachable front side plate 40-2 and a detachable cover plate 40-3; the cavity 40-1 is a semi-closed box body consisting of a bottom plate, a left side plate, a right side plate and a rear side plate; and a plurality of steel laminates 4-3a and 4-3b are fixed in the cavity 40-1 at intervals, the front side plate 40-2 and the cover plate 40-3 are respectively installed on the cavity 40-1, rubber liquid is injected into the cavity of the mold through a filling port on the installed manufacturing mold, and the rubber vibration damper 4 is taken out after cooling, so that the manufacturing of the rubber vibration damper is completed.
FIG. 2 shows the manner in which the steel laminates 4-3a, 4-3b and the steel seat plate 4-1 of the present invention are secured in the manufacturing mold 40. Fig. 3 shows a fixing structure of the steel seat plate 4-1 and the front side plate 40-2.
Fig. 4 shows the structure of the cavity 40-1 of the manufacturing mold 40 according to the present invention. A bottom plate of the steel laminated plate is provided with a plurality of rows of round clamping grooves 40-5 for fixing the steel laminated plates 4-3a and 4-3b, and the number of rows of the clamping grooves 40-5 is consistent with the number of layers of the steel laminated plates. As shown in fig. 4 (e), the slot 40-5 is matched with the steel laminates 4-3a and 4-3b, and the bottom surface of the slot 40-5, the surface of the bottom plate and the bottom surface of the cover plate 40-3 have a height difference L1, so that after the steel laminate is fixed in the slot 40-5 of the cavity 40-1 and the cover plate 40-3, a gap L1 is kept between the steel laminate and the upper and lower walls of the manufacturing mold 40, which facilitates the flow of rubber liquid and realizes the wrapping of the steel laminate by rubber.
It should be noted that, the distances between the circular slots 40-5 in two adjacent rows are the same, so that the rubber thickness of each layer is the same. Or the distance between the two adjacent rows of circular clamping grooves 40-5 from the front side plate to the rear side plate is gradually reduced, so that the thickness of each layer of rubber becomes thinner layer by layer from bottom to top.
The number of rows of the clamping grooves 40-5 is not limited, and can be determined according to needs, and the number of rows of the clamping grooves 40-5 is different, so that the rubber layers and the steel laminates in the rubber vibration damping device 4 are different in layer number. The example of fig. 2 is merely intended to illustrate a general construction scheme of the rubber vibration damper 4 and does not represent the whole scheme.
Fig. 5 shows the structure of the cover plate 40-3 of the manufacturing mold 40 according to the present invention. The bottom surface of the cover plate 40-3 is provided with a plurality of rows of circular clamping grooves 40-5 for fixing the steel laminates 4-3a and 4-3b, and the number of rows of the clamping grooves 40-5 is consistent with the number of layers of the steel laminates. As shown in FIG. 5 (e), the slot 40-5 is matched with the steel laminates 4-3a and 4-3b, and the bottom surface of the slot 40-5 and the bottom surface of the cover plate 40-3 have a height difference L1.
The height difference L1 shown in fig. 4 and 5 can keep a certain gap between the circumference of the steel layer plates 4-3a and 4-3b and the inner cavity surface of the manufacturing mold 40, so that the rubber wraps the steel layer plates, and the structural characteristics of the rubber vibration damping device 4 are realized. In addition, the clearance is favorable for the flowing of rubber liquid, avoids the dead angle.
The die 40 is installed as follows:
firstly, the method comprises the following steps: cleaning up all welded components of the cavity 40-1, the side plate 40-2, the cover plate 40-3, the steel laminates 4-3a and 4-3b, the steel seat plate 4-1 and the bolt 4-4 to avoid oil stain;
secondly, the method comprises the following steps: the assembly formed by welding the steel seat plate 4-1 and the bolt 4-4 is arranged on the side plate 40-2 and is locked by the nut 40-4;
thirdly, the method comprises the following steps: according to the figure 2, steel laminates 4-3a and 4-3b are placed on a clamping groove 40-5 in a cavity 40-1;
fourthly: mounting the assembly shown in figure 3 to the position shown in figure 2;
fifth, the method comprises the following steps: installing the cover plate 40-3, and ensuring that the steel laminates 4-3a and 4-3b are embedded into the clamping grooves on the cover plate 40-3;
sixth: the rubber liquid is injected into the cavity of the manufacturing mold 40 through a set filling port (not shown herein), cooled and taken out, and the manufacturing of the rubber vibration damping device 4 is completed.
After the steel laminates 4-3a and 4-3b shown in fig. 2 (d) are fixed in the cavity 40-1 and the clamping groove 40-5 of the cover plate 40-3, a gap of L1 is kept between the steel laminates and the inner cavity wall of the manufacturing mold 40, so that rubber liquid can flow conveniently, and dead corners are avoided. Meanwhile, the gap L1 can wrap the steel laminates 4-3a and 4-3b by rubber, and exposure is avoided. After the rubber vibration damper 4 is manufactured, a process circular hole is left at the position of the clamping groove, and the edge of the steel laminate in the process circular hole is exposed.
The size of the circumference of the steel seat plate 4-1 shown in fig. 2 (e) is smaller than the size of the inner cavity of the mold 40, a gap of L2 is reserved on the circumference, and rubber liquid enters the preset gap to wrap the steel seat plate 4-1.
According to the rubber vibration damper 4 produced by the manufacturing method, the rubber wraps the steel laminates 4-3a and 4-3b and the steel seat plate 4-1, only the edge of the steel laminate at the clamping groove is exposed, the bottom surface of the steel seat plate 4-1 is exposed, but the steel seat plate 4-1 is finally installed with the top plate of the frame in a matching way and cannot be exposed in the using process.
The cavity 40-1 and the clamping groove 40-5 of the cover plate 40-3 can effectively fix the steel laminates 4-3a and 4-3b, and prevent the steel laminates 4-3a and 4-3b from being distorted and deformed in the process of pouring rubber liquid to influence the vibration damping performance.
Under the condition that the overall length, width and height of the rubber vibration damper 4 are the same, the more the number of layers is, the higher the rigidity is, and the smaller the deflection under the same stress is.
The rubber vibration damper 4 of the invention is not only suitable for damping the cargo system of the articulated dump truck, but also suitable for damping the cargo system of any similar dump truck.
The rubber vibration damper 4 manufactured by the manufacturing die has the characteristics of large bearing capacity, good heat dissipation, long service life and the like; the rubber layer has good adhesion with the steel laminates 4-3a and 4-3b, and is not easy to delaminate; the rubber liquid flows smoothly and is distributed uniformly in the pouring process; the rubber vibration damper 4 can effectively reduce the vibration and impact of the articulated dump truck cargo carrying system and reduce the influence of road surface vibration excitation on the running stability of the vehicle.
The rubber damper manufactured by the manufacturing mold will be further described below.
As shown in fig. 6, the rubber vibration damper 4 includes a rubber layer and a steel laminate, and a plurality of rubber layers 4-2a, 4-2b, 4-2c and a plurality of steel laminates 4-3a, 4-3b are laminated. The steel seat plate 4-1 is arranged at the rubber position of the bottom layer, the circumferential surface and the top surface of the steel seat plate 4-1 are covered by rubber, and the bottom surface of the steel seat plate 4-1 is not covered by rubber and is connected with the frame through a fastening piece.
The circumference size of the steel laminates 4-3a and 4-3b is smaller than that of the rubber layers 4-2a, 4-2b and 4-2c, the steel laminates 4-3a and 4-3b are wrapped in the rubber, and the steel laminates 4-3a and 4-3b are beneficial to the dispersion of internal heat and avoid heat accumulation.
It should be noted that, as shown in fig. 7, through holes are formed at two ends of the surface of the steel seat plate 4-1 for embedding bolts 4-4 inside the rubber vibration damping device, so that the stud end faces outwards, the bolt hexagonal head is embedded inside the rubber, the bolt hexagonal head is welded with the steel seat plate 4-1, and the rubber vibration damping device 4 is fixed with the frame by screwing nuts outside.
As shown in FIG. 8, a large number of holes are formed in the surface of the steel laminate, so that rubber liquid can flow conveniently during rubber vulcanization, and bending deformation of the steel laminates 4-3a and 4-3b caused by poor flow is avoided. The steel laminates 4-3a and 4-3b are provided with a large number of holes on the surfaces, so that the mutual fusion of the rubber layers 4-2a, 4-2b and 4-2c is facilitated, the adhesion between the rubber layers 4-2a, 4-2b and 4-2c and the steel laminates 4-3a and 4-3b is facilitated, and the delamination is avoided. Before the steel laminates 4-3a and 4-3b are placed in a manufacturing mold, the surface needs to be cleaned, oil stains are forbidden, and the adhesion of rubber and the steel laminates 4-3a and 4-3b is prevented from being influenced.
While the present application has been described with reference to exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (5)
1. A manufacturing mold of a rubber vibration damper is characterized in that: the rubber vibration damper for manufacturing is formed by laminating a plurality of rubbers and a plurality of steel laminates, and a steel seat plate is arranged at the rubber part at the bottommost layer;
the manufacturing mold is a closed box body consisting of a cavity, a detachable front side plate and a detachable cover plate;
the cavity is a semi-closed box body consisting of a bottom plate, a left side plate, a right side plate and a rear side plate;
a plurality of steel laminates are fixed in the cavity at intervals, the front side plate and the cover plate are respectively installed on the cavity, rubber liquid is injected into the cavity of the mold through an injection port on the installed manufacturing mold, and the rubber liquid is taken out after cooling to complete the manufacturing of the rubber vibration damper;
a plurality of rows of corresponding circular clamping grooves are formed in the surface of the bottom plate and the bottom surface of the cover plate along the length direction, the steel laminate is fixed through the upper clamping groove and the lower clamping groove, and the number of rows of the clamping grooves is consistent with the number of layers of the steel laminate;
the bottom surfaces of the clamping grooves, the surface of the bottom plate and the bottom surface of the cover plate are respectively provided with a height difference L1, so that after the steel laminate is fixed in the clamping grooves of the cavity and the cover plate, a gap L1 is kept between the steel laminate and the upper wall and the lower wall of the mold, rubber liquid can flow conveniently, and the steel laminate can be wrapped by rubber;
through holes I are formed in two ends of the surface of the steel base plate and used for embedding bolts in the rubber vibration damper in a pre-buried mode, so that the stud end faces outwards, the bolt hexagonal head is buried in the rubber, and the bolt hexagonal head is welded with the steel base plate;
through holes II corresponding to the through holes I are formed in the two ends of the front side plate, and the studs continuously penetrate through the through holes II and then are locked through nuts, so that the steel base plate is attached to the front side plate;
the size of the circumference of the steel seat plate is smaller than that of an inner cavity of the mold, a gap of L2 is reserved in the circumference, and rubber liquid enters the preset gap to wrap the steel seat plate.
2. The manufacturing mold of a rubber vibration damping device according to claim 1, wherein: the distance between the two adjacent rows of circular clamping grooves is the same, so that the thickness of each layer of rubber is the same.
3. The manufacturing mold of a rubber vibration damping device according to claim 1, wherein: the distance between the two adjacent rows of circular clamping grooves from the front side plate to the rear side plate is gradually reduced, so that the rubber thickness of each layer becomes thinner from bottom to top layer by layer.
4. The manufacturing mold of a rubber vibration damping device according to claim 1, wherein: the front side plate is clamped with the cavity through the matching of outer rabbets on the two sides of the front side plate and inner rabbets on the left side plate and the right side plate; the cross section of the cover plate is a T-shaped surface, so that the cover plate covers the cavity.
5. A method of manufacturing a mold for manufacturing a rubber damper according to any one of claims 1 to 4, characterized by comprising:
step one, cleaning up a cavity, a front side plate, a cover plate, a plurality of steel laminates, a steel base plate and a welded assembly of bolts to avoid oil stains;
step two, mounting the assembly of the steel seat plate and the bolt after welding on the front side plate, and locking the assembly through a nut;
step three, placing a plurality of steel laminates on the clamping grooves in the cavity;
step four, mounting the front side plate in the step two on the cavity in the step three;
installing a cover plate, wherein each steel laminate is required to be embedded into a clamping groove in the cover plate;
and step six, injecting the rubber liquid into the mold cavity through a set filling port, cooling and taking out to finish the manufacturing of the rubber vibration damper.
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| CN201910858537.4A CN110561692B (en) | 2019-09-11 | 2019-09-11 | Manufacturing die and manufacturing method of rubber vibration damper |
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| CN201910858537.4A CN110561692B (en) | 2019-09-11 | 2019-09-11 | Manufacturing die and manufacturing method of rubber vibration damper |
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