CN219402628U - Stacked welding type saw chain guide plate - Google Patents
Stacked welding type saw chain guide plate Download PDFInfo
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- CN219402628U CN219402628U CN202320444909.0U CN202320444909U CN219402628U CN 219402628 U CN219402628 U CN 219402628U CN 202320444909 U CN202320444909 U CN 202320444909U CN 219402628 U CN219402628 U CN 219402628U
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- middle plate
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- saw chain
- chain guide
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Abstract
The utility model relates to a laminated welding type saw chain guide plate, which is formed by splicing three plates, namely a middle plate positioned in the middle and side plates positioned at two sides, wherein the external dimension of the middle plate is smaller than the external dimension of the side plates, and after the side plates are spliced with the middle plate, a slit clamped by the side plates is formed at the external side of the middle plate; the side plates and the middle plate are fixed in a combined way of brazing and riveting, the two side surfaces of the middle plate are provided with micro grooves formed by long strips, the micro grooves are divided into three pieces of arrangement, one piece of the micro grooves is positioned in the middle of the side surface of the middle plate, and the other two pieces of the micro grooves are positioned close to the side surface of the middle plate; the side plate and the middle plate are provided with mutually corresponding riveting holes, and rivets penetrate into the riveting holes. By adopting the lamination and splicing of three plates, the processing requirement on the seam groove of the guide plate can be reduced, the mode that the middle plate and the two side plates are combined through riveting and brazing is adopted, the defect of insufficient strength caused by a single fixing mode is avoided, the plate separation phenomenon occurs, and the saw chain guide plate is ensured to have enough service life.
Description
Technical Field
The utility model belongs to the field of saw chains, and particularly relates to a laminated welding type saw chain guide plate
Background
The main working part of the saw chain is the cutting chain, and the saw chain guide plate is a guide part for supporting the cutting chain and guiding the cutting chain to move quickly. The two sides and the front end of the guide plate are provided with slots, and the cutting chain is positioned in the slots and rapidly rotates along the slots, so that the slots are required. The width of the slot is suitable, the slot and the saw chain are in clearance fit, the size cannot be small, the saw chain is easy to clamp, the saw chain is not smooth to move, but the size cannot be too large, otherwise, the saw chain is easy to shake, and the saw chain can fall out of the slot, so that potential safety hazards are caused. The slot and the saw chain are rubbed at a high speed, so that the inner side wall of the slot has high hardness, at least higher than that of the saw chain, abrasion is avoided, the saw chain is generally worn and replaced, the guide plates are always used, and one guide plate is matched with 7-10 saw chains.
At present, saw chain guide plates mainly have two structures, one is of an integral structure and is formed by directly processing a whole plate, and the other is of a split splicing structure and is formed by splicing a plurality of plates after being processed. In order to ensure the precision of the slot, the saw chain guide plate with an integral structure has higher processing requirements, and the processing cost is increased. Therefore, more split spliced structures are adopted, but the split spliced structures have insufficient splicing strength, and a plurality of plates are easily separated when the saw chain moves at a high speed, so that the service life of the saw chain guide plate is reduced.
Disclosure of Invention
The utility model provides a laminated welding type saw chain guide plate, which is formed by splicing three plates, wherein the three plates are combined by a riveting fixing mode and a welding fixing mode, and the welding is in a brazing mode, so that the splicing strength among the three plates is improved, the phenomenon that a plurality of plates are separated from each other is avoided, and the saw chain guide plate is ensured to have enough service life.
The specific technical scheme of the utility model is as follows: a laminated welding saw chain guide plate is formed by splicing three plates, namely a middle plate positioned in the middle and side plates positioned at two sides, wherein the external dimension of the middle plate is smaller than the external dimension of the side plates, and after the side plates are spliced with the middle plate, a slit clamped by the side plates is formed at the external side of the middle plate; the side plates and the middle plate are fixed in a combined way of brazing and riveting, the two side surfaces of the middle plate are provided with micro grooves formed by long strips, the micro grooves are divided into three pieces of arrangement, one piece of the micro grooves is positioned in the middle of the side surface of the middle plate, and the other two pieces of the micro grooves are positioned close to the side surface of the middle plate; the positions of the side plates close to the two sides and the positions of the middle plate close to the two sides are provided with mutually corresponding riveting holes, rivets penetrate into the riveting holes, the riveting holes on the middle plate and the riveting holes on the side plates are closed, and the two ends of the rivets are flush with the outer surfaces of the side plates.
The whole guide plate is formed by stacking and splicing three plates, so that the processing requirements on the guide plate slot can be reduced as long as the external dimensions of the middle plate and the side plates and the mutual position relation between the middle plate and the side plates are controlled, and the processing cost of the guide plate slot is reduced; the middle plate and the two side plates are fixed in a riveting and brazing combined mode, the phenomenon that the plates are separated is avoided due to insufficient strength caused by a single fixing mode, the direct welding can be avoided to locally deform in a brazing mode, the two side surfaces of the middle plate are provided with micro grooves, brazing glue is coated in the micro grooves so as to facilitate gluing and positioning, the side plates can be peripherally spread from the micro grooves when being fixed in a butt joint mode, enough glue contact surfaces are formed between the middle plate and the side plates, the side plates and the middle plate are buckled by the aid of rivets, the fixing strength between the three plates is improved, and the saw chain guide plate is guaranteed to have enough service life.
Further preferably, the micro grooves on each strip are distributed in a sectional mode, both ends of each section of micro groove are semicircular, and the periphery of each micro groove is sloped and transits by a round angle; the side surfaces of the two side plates facing the middle plate are provided with micro convex strips corresponding to the micro grooves. The sectional type micro grooves form sectional type gluing, so that the gluing positions are kept consistent, the welding and fixing of each guide plate are ensured to be consistent, and the influence of human factors is reduced; the surface of the side plate is provided with micro convex strips which are matched with the micro grooves to extrude the brazing adhesive.
Further preferably, the location of the rivet holes is offset from the location of the micro-grooves on the sides of the intermediate plate.
Further preferably, the riveting holes on the middle plate are trapezoid, and the length of the riveting hole edge close to the outer side edge of the middle plate is smaller than that of the other opposite riveting hole edge; a blocking edge for sealing is formed between the riveting hole and the outer side edge of the middle plate. The flange is arranged on the outer side of the middle riveting hole, and the flange seals the riveting hole, so that the rivet cannot expand outwards from the side edge of the middle plate when being compressed and fixed, and the bottom of the guide plate slot is ensured to be flat.
Further preferably, the rivet hole on the side plate is square, the height of the rivet hole on the side plate is the same as the height of the rivet hole on the middle plate, and the width of the rivet hole on the side plate is the same as the length of the longest side of the rivet hole on the middle plate.
Further preferably, four hole walls of the rivet holes on the side plates are inclined, and the dimension of the side of the rivet holes facing outwards is larger than that of the side of the rivet holes facing the middle plate. The pore wall of the riveting hole on the side plate is inclined, so that when the rivet is compressed and fixed, two ends of the rivet form a nail head, and meanwhile, the end part of the rivet cannot exceed the outer side surface of the guide plate.
Further preferably, the front end of the guide plate is provided with a saw chain guide wheel, the thickness of the saw chain guide wheel is slightly smaller than that of the middle plate, the front end of the middle plate is provided with a front circular groove matched with the outer contour of the saw chain guide wheel, the saw chain guide wheel is connected through a pin shaft, and two ends of the pin shaft are respectively fixed on the two side plates.
The beneficial effects of the utility model are as follows: the whole guide plate is formed by stacking and splicing three plates, so that the processing requirements on the guide plate slot can be reduced as long as the external dimensions of the middle plate and the side plates and the mutual position relation between the middle plate and the side plates are controlled, and the processing cost of the guide plate slot is reduced; the middle plate and the two side plates are fixed in a riveting and brazing combined mode, the phenomenon that the plates are separated is avoided due to insufficient strength caused by a single fixing mode, the direct welding can be avoided to locally deform in a brazing mode, the two side surfaces of the middle plate are provided with micro grooves, brazing glue is coated in the micro grooves so as to facilitate gluing and positioning, the side plates can be peripherally spread from the micro grooves when being fixed in a butt joint mode, enough glue contact surfaces are formed between the middle plate and the side plates, the side plates and the middle plate are buckled by the aid of rivets, the fixing strength between the three plates is improved, and the saw chain guide plate is guaranteed to have enough service life.
Drawings
FIG. 1 is a schematic view of a construction of the present utility model;
FIG. 2 is a schematic illustration of a side panel culling of the present utility model;
FIG. 3 is a schematic illustration of a rivet setting process of the present utility model;
FIG. 4 is a schematic illustration of a rivet hole structure according to the present utility model;
FIG. 5 is a schematic illustration of the structure of the rivet holes in the intermediate plate of the present utility model;
in the figure: 1. the saw chain guide wheel comprises a side plate, 2, rivets, 3, a saw chain guide wheel, 4, a connecting groove, 5, a fixing hole, 6, an installation positioning port, 7, a slot, 8, a micro groove, 9, an intermediate plate, 10, a trapezoid riveting hole, 11, a square riveting hole, 12 and a flange.
Detailed Description
The utility model will now be further described by way of specific examples with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 5, a laminated welding saw chain guide plate is formed by splicing three plates, namely a middle plate 9 positioned in the middle and two side plates 1 positioned on two sides, wherein the external dimension of the middle plate is smaller than the external dimension of the side plates, and after the side plates are spliced and fixed with the middle plate, a slot 7 clamped by the side plates is formed on the external side of the middle plate. The front end of the guide plate is in a convex semicircular shape, the tail end of the guide plate is in a concave semicircular installation positioning port 6, and a connecting groove 4 and fixing holes 5 positioned on two sides of the connecting groove are arranged at the position, close to the tail end, of the guide plate. The front end of the guide plate is hinged with a toothed saw chain guide wheel 3 through a pin shaft, and the outer teeth of the saw chain guide wheel extend out of the front end of the guide plate. The thickness of the saw chain guide wheel is slightly smaller than that of the middle plate, a front circular groove matched with the outer contour of the saw chain guide wheel is formed in the front end of the middle plate, the saw chain guide wheel is connected through a pin shaft, and two ends of the pin shaft are respectively fixed on the two side plates.
The side plates and the middle plate are fixed in a combined manner by brazing and riveting, the two side surfaces of the middle plate are provided with micro grooves 8 formed by long strips, the micro grooves are divided into three strips, one strip is positioned in the middle of the side surface of the middle plate, and the other two strips are positioned close to the side edges of the side surface of the middle plate. The micro grooves on each strip are distributed in a sectional mode, the two ends of each section of micro groove are semicircular, and the periphery of each micro groove is sloped and transits by a round angle. The surface of the side plate facing the middle plate is provided with weft raised lines, and the shape of the micro raised lines is matched with the micro grooves. The positions of the side plates close to the two sides and the positions of the middle plate close to the two sides are provided with corresponding riveting holes, the riveting holes on the middle plate are trapezoid riveting holes 10, and the riveting holes on the side plates are rectangular square riveting holes 11. The positions of the riveting holes are staggered with the positions of the micro grooves on the side edges of the middle plate, and the rivets 2 penetrate through the riveting holes to fix the side plates and the middle plate. The riveting holes on the middle plate and the side plates are closed, and the two ends of the rivet are flush with the outer surfaces of the side plates.
The short side of the trapezoid riveting hole on the middle plate faces to the side edge of the middle plate, and a blocking edge 12 for sealing is formed between the short side of the trapezoid riveting hole and the outer side edge of the middle plate.
The height of the square riveting hole is equal to that of the trapezoid riveting hole, and the width of the square riveting hole is equal to the length of the long side of the trapezoid riveting hole on the middle plate. Four pore walls of the square riveting hole are inclined, and the size of one outward side of the square riveting hole is larger than that of one side of the square riveting hole facing the middle plate.
The cross section of the rivet is trapezoid, after the rivet passes through the rivet hole, two ends of the rivet are pressed and expanded, and finally, a trapezoid with the middle matched with the trapezoid rivet hole is formed, and square prism platforms with two ends matched with the square rivet hole are formed.
The micro grooves are internally coated with brazing glue, and the brazing glue is extruded and distributed on the contact surface between the whole middle plate and the side plate along with the approach of the split joint between the side plate and the middle plate.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. The laminated welding type saw chain guide plate is characterized by being formed by splicing three plates, namely a middle plate (9) positioned in the middle and side plates (1) positioned at two sides, wherein the external dimension of the middle plate is smaller than the external dimension of the side plates, and after the side plates are spliced with the middle plate, a slit (7) clamped by the side plates is formed at the external side of the middle plate; the side plates and the middle plate are fixed in a combined way of brazing and riveting, the two side surfaces of the middle plate are provided with micro grooves (8) formed by long strips, the micro grooves are divided into three pieces of arrangement, one piece of the micro grooves is positioned in the middle of the side surface of the middle plate, and the other two pieces of the micro grooves are positioned close to the side edges on the side surface of the middle plate; the positions of the side plates close to the two sides and the positions of the middle plate close to the two sides are provided with mutually corresponding riveting holes, rivets (2) penetrate into the riveting holes, the riveting holes on the middle plate and the riveting holes on the side plates are closed, and the two ends of the rivets are flush with the outer surfaces of the side plates.
2. The stacked and welded saw chain guide of claim 1, wherein the micro grooves on each strip are distributed in a segmented manner, both ends of each segment of micro groove are semicircular, and the peripheries of the micro grooves are sloped and transition with rounded corners; the side surfaces of the two side plates facing the middle plate are provided with micro convex strips corresponding to the micro grooves.
3. A stacked, welded saw chain guide as claimed in claim 1 or claim 2, wherein the location of the rivet holes is offset from the location of the micro-grooves on the sides of the intermediate plate.
4. The stacked and welded saw chain guide of claim 1, wherein the rivet holes in the intermediate plate are trapezoidal in shape, and the length of the rivet hole edge adjacent to the outer side edge of the intermediate plate is smaller than the length of the opposite other rivet hole edge; a blocking edge for sealing is formed between the riveting hole and the outer side edge of the middle plate.
5. The laminate welding type saw chain guide as claimed in claim 1 or 4, wherein the rivet holes in the side plates are square in shape, the rivet holes in the side plates are the same in height as the rivet holes in the intermediate plate, and the rivet holes in the side plates are the same in width as the longest sides of the rivet holes in the intermediate plate.
6. The stacked, welded saw chain guide of claim 5, wherein four walls of the rivet holes in the side plates are sloped with the rivet holes having an outward side that is larger in size than the side of the rivet holes that faces the middle plate.
7. The laminated welding type saw chain guide plate according to claim 1, 2 or 4, wherein the saw chain guide wheel is arranged at the front end of the guide plate, the thickness of the saw chain guide wheel is slightly smaller than that of the middle plate, a front circular groove matched with the outer contour of the saw chain guide wheel is arranged at the front end of the middle plate, the saw chain guide wheel is connected through a pin shaft, and two ends of the pin shaft are respectively fixed on the two side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444909.0U CN219402628U (en) | 2023-03-10 | 2023-03-10 | Stacked welding type saw chain guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444909.0U CN219402628U (en) | 2023-03-10 | 2023-03-10 | Stacked welding type saw chain guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402628U true CN219402628U (en) | 2023-07-25 |
Family
ID=87235100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320444909.0U Active CN219402628U (en) | 2023-03-10 | 2023-03-10 | Stacked welding type saw chain guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402628U (en) |
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2023
- 2023-03-10 CN CN202320444909.0U patent/CN219402628U/en active Active
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