CN211992422U - Honing mould for connecting rod small end hole - Google Patents

Honing mould for connecting rod small end hole Download PDF

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Publication number
CN211992422U
CN211992422U CN202020565114.1U CN202020565114U CN211992422U CN 211992422 U CN211992422 U CN 211992422U CN 202020565114 U CN202020565114 U CN 202020565114U CN 211992422 U CN211992422 U CN 211992422U
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head
small
plate
hole
connecting rod
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CN202020565114.1U
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Chinese (zh)
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韩薇
苗志杰
许欣
温国贺
范英杰
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Nangong Jingqiang Connecting Rod Co ltd
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Nangong Jingqiang Connecting Rod Co ltd
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Abstract

The utility model relates to a connecting rod microcephaly hole honing mould, it includes: the honing tool comprises a base, wherein a bottom plate is arranged above the base, a first abdicating hole with the same size as the cross section of the honing head is arranged on the bottom plate, a large head clamping mechanism and a small head clamping mechanism are detachably connected above the bottom plate, and a honing head through hole which is coaxial with the first abdicating hole and has the same size is arranged on the small head clamping mechanism; the large-head clamping mechanism comprises two large-head clamping units which are arranged up and down, and the small-head clamping mechanism comprises two small-head clamping units which are arranged up and down; the left end and the rear end of the large-head clamping unit are communicated, the length of the through opening is larger than the width of the large head of the connecting rod, a U-shaped guide notch is formed in the small-head clamping unit, and the size of the guide notch is larger than the outer diameter of the small head of the connecting rod; the side wall of the small-head clamping unit is provided with a threaded hole for a positioning screw to pass through, the front end of the positioning screw is provided with a positioning bulge, and the mold honing efficiency is high.

Description

Honing mould for connecting rod small end hole
Technical Field
The utility model relates to a connecting rod fixture technical field especially relates to a connecting rod microcephaly hole honing mould.
Background
The connecting rod is one of the main transmission mechanisms of the automobile engine, connects a piston and a crankshaft, transmits the pressure of expansion gas acting on the top of the piston to the crankshaft, and enables the reciprocating linear motion of the piston to be reversibly converted into the rotary motion of the crankshaft to output power, and a small end hole is arranged on a small end of the connecting rod in order to realize the function of the connecting rod, as shown in figure 1. At present, when a small end hole needs to be honed on a small end of a connecting rod, a connecting rod needs to be manually placed on a honing jig of the small end hole of the connecting rod, the small end of the connecting rod is manually aligned to an upper hole of the honing jig to clamp and position the connecting rod, then honing machine equipment is started, a honing cutter moves downwards, the small end hole of the connecting rod is self-centered, the honing cutter expands, and the honing cutter rotates and reciprocates up and down.
The honing mould for the connecting rod small end hole consumes longer time when the connecting rod is clamped and positioned, and the honing tool is easily damaged due to inaccurate positioning in a manual clamping and positioning mode; in addition, the clamping fixture can only clamp one connecting rod at a time, and after the previous connecting rod is machined, the new connecting rod needs to be repositioned and clamped, so that the steps are complicated, the working efficiency is low, and the honing equipment needs to be started and stopped frequently, which is not beneficial to the service life of the equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a connecting rod microcephaly hole honing mould that improves honing efficiency, guarantees the honing precision is provided.
In order to solve the above problems, the utility model adopts the following technical proposal:
a connecting rod small end hole honing mould comprises: the honing tool comprises a base, wherein a bottom plate is arranged above the base, a first abdicating hole with the same size as the cross section of a honing head is arranged on the bottom plate, a large head clamping mechanism and a small head clamping mechanism are detachably connected above the bottom plate, and a honing head through hole which is coaxial with the first abdicating hole and has the same size is arranged on the small head clamping mechanism;
the large-head clamping mechanism comprises two large-head clamping units which are arranged up and down, the small-head clamping mechanism comprises two small-head clamping units which are arranged up and down, the large-head clamping units are used for accommodating large heads of the connecting rods, and the small-head clamping units are used for accommodating small heads of the connecting rods;
the left end and the rear end of the large-head clamping unit are communicated, the width of the through opening is larger than that of the large head of the connecting rod, the small-head clamping unit is provided with a U-shaped guide notch, the guide notch comprises an arc section and two straight line sections, and the distance between the two straight line sections and the diameter of the arc section are both larger than the outer diameter of the small head of the connecting rod;
the side wall of the small-end clamping unit is provided with a threaded hole for a positioning screw to pass through, the front end of the positioning screw is provided with a positioning bulge, and the positioning bulge is used for contacting with the outer wall of the small end of the connecting rod when passing through the threaded hole for a preset distance, so that the connecting rod is positioned.
As a further improvement, the big head clamping mechanism is by lower supreme including: the device comprises a large-head lower base plate, two large-head lower partition plates, a large-head middle base plate, two large-head upper partition plates and a large-head top plate, wherein the large-head upper partition plates and the large-head lower partition plates are identical in size and shape;
the big-end lower backing plate is detachably connected with the bottom plate and is a rectangular plate, the big-end lower partition plate is in a long strip shape, the length of the big-end lower partition plate is matched with the width of the big-end lower backing plate, the two big-end lower partition plates are respectively positioned on two short sides of the big-end lower backing plate, the big-end middle backing plate is a rectangular plate provided with a U-shaped through groove, the size of the big-end middle backing plate is matched with that of the big-end lower backing plate, the two big-end upper partition plates are respectively positioned on two short sides of the big-end middle backing plate, and the size and the shape of the big-end top plate and the big-end middle backing plate are consistent;
the lower large head base plate, the two lower large head partition plates and the middle large head base plate form one large head clamping unit, and the middle large head base plate, the two upper large head partition plates and the large head top plate form the other large head clamping unit.
As a further improvement, still be equipped with on the bottom plate and step down the hole with the coaxial and the same second of size in connecting rod big head hole, be equipped with on the big head lower bolster with the second step down the coaxial and the same big head lower bolster through-hole of size in hole.
As a further improvement, the utility model discloses a bottom plate the major part lower bolster, two baffle under the major part backing plate in the major part, two baffle on the major part with all can dismantle the connection through the bolt between the major part roof.
As a further improvement of the utility model, microcephaly clamping machine constructs and includes: the small head lower base plate, the small head lower partition plate, the small head middle base plate, the small head upper partition plate and the small head top plate are all the same in size and shape, and the small head upper partition plate and the small head lower partition plate are all the same in size and shape;
the small-head lower base plate is detachably connected with the bottom plate, the small-head lower base plate is a rectangular plate, a through hole which is coaxial with the first abdicating hole and has the same size is formed in the center of the small-head lower base plate, the small-head lower partition plate is a rectangular plate provided with the guide notch, and the axis of the guide notch is coaxial with the first abdicating hole;
the small head lower backing plate, the small head lower partition plate and the small head middle backing plate form one small head clamping unit, and the small head middle backing plate, the small head upper partition plate and the small head top plate form the other small head clamping unit.
As a further improvement of the utility model, the bottom plate the microcephaly lower bolster the microcephaly lower baffle the microcephaly middle bolster the microcephaly upper baffle with all can dismantle the connection through the bolt between the microcephaly roof.
As a further improvement, the nut is fixedly arranged on the lateral wall of the small-head lower partition plate and the small-head upper partition plate, the inner diameter of the nut is equal to the inner diameter of the threaded hole, and the positioning screw passes through the nut in sequence and the threaded hole.
As a further improvement of the utility model, the base includes the base bottom plate, the fixed backup pad that is provided with two vertical and be parallel to each other on the base bottom plate, two be equipped with the base roof between the backup pad top, and every the backup pad all with the base roof passes through fastening bolt and connects, the bottom plate set up in on the base roof.
As a further improvement, still be provided with bits material through the mouth on the base roof center, bits material through mouthful below is equipped with and is located on the base bottom plate and open-top's chip storage groove.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides a connecting rod microcephaly hole honing mould, can once realize two connecting rod honing work of team, honing efficiency is higher, and be provided with set screw, guaranteed the connecting rod when the installation is placed, distance between the axle center of its connecting rod microcephaly and the axle center of honing head is unanimous with the location oblique angle width of honing head, make honing head down time, can be from centering connecting rod microcephaly hole, guarantee that connecting rod microcephaly is coaxial with honing equipment, honing precision has both been provided, no longer need the manual work to aim at honing mould upper bore, honing equipment's life-span has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a honing head provided in the related art.
Fig. 2 is a top view of a connecting rod small end hole honing mould provided by the embodiment of the invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a front view of a connecting rod small end hole honing mould provided by the embodiment of the invention.
Fig. 5 is a relative position diagram of a positioning screw and a connecting rod small end outer wall during honing provided by the embodiment of the invention.
Fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention.
Fig. 7 is a top view of a base plate according to an embodiment of the present invention.
Fig. 8 is a sectional view of B-B in fig. 7.
Fig. 9 is an exploded view of a large head clamping mechanism according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a large-head clamping mechanism according to an embodiment of the present invention.
Fig. 11 is an exploded view of a small end clamping mechanism according to an embodiment of the present invention.
Fig. 12 is a schematic structural diagram of a small end clamping mechanism provided by an embodiment of the present invention.
Wherein: 100-small connecting rod head, 200-large connecting rod head, 1-base, 11-base floor, 12-supporting plate, 13-base top plate, 131-scrap through port, 132-connecting through hole, 2-base plate, 21-first abdicating hole, 22-second abdicating hole, 3-large head clamping mechanism, 300-large head clamping unit, 31-large head lower backing plate, 32-large head lower spacer plate, 33-large head middle backing plate, 34-large head upper spacer plate, 35-large head top plate, 36-connecting through hole, 4-small head clamping mechanism, 41-small head lower backing plate, 42-small head lower spacer plate, 43-small head middle backing plate, 44-small head upper spacer plate, 45-small head top plate, 46-nut, 47-connecting through hole, 400-small head clamping unit, 410-guide notch, 411-threaded hole, 5-positioning screw and 51-positioning projection.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to the accompanying drawings and specific embodiments is provided for clarity and completeness.
The embodiment of the present invention provides a size in a name is relatively defined in the name, such as: a small connecting rod head 100, a large connecting rod head 200 and a small connecting rod head hole. The embodiment of the utility model provides a pair of connecting rod microcephaly hole honing mould, this mould are applicable to the honing head that the bottom was equipped with the location oblique angle down, and should fix a position the width at oblique angle and be d, as shown in fig. 1.
As shown in fig. 2 to 8, it includes: the honing tool comprises a base 1 and a base plate 2, wherein the base plate 1 is arranged above the base 1, a first abdicating hole 21 with the same size as the cross section of a honing head is arranged on the base plate 2, a large head clamping mechanism 3 and a small head clamping mechanism 4 are detachably connected above the base plate 2, and a honing head through hole which is coaxial with the first abdicating hole 21 and has the same size is arranged on the small head clamping mechanism 4.
The big end clamping mechanism 3 comprises two big end clamping units 300 arranged up and down, the small end clamping mechanism comprises two small end clamping units 400 arranged up and down, the big end clamping unit 300 is used for accommodating a big end 200 of the connecting rod, and the small end clamping unit 400 is used for accommodating a small end 100 of the connecting rod.
The left end and the rear end of the large-head clamping unit 300 are communicated, the width of the through opening is larger than that of the large connecting rod head 200, the small-head clamping unit 400 is provided with a U-shaped guide notch 410, the size of the guide notch 410 is larger than the outer diameter of the small connecting rod head 100, specifically, the guide notch 410 comprises an arc section and two parallel straight line sections, the distance between the two straight line sections is larger than the outer diameter of the small connecting rod head 100, and the diameter of the arc section is larger than the outer diameter of the small connecting rod head 100.
The side wall of the small-head clamping unit 400 is provided with a threaded hole 411 for the positioning screw 5 to pass through, the front end of the positioning screw 5 is provided with a positioning protrusion 51, and the positioning protrusion 51 is used for contacting with the outer wall of the connecting rod small head 100 when passing through the threaded hole 411 by a preset distance, so as to position the connecting rod.
The embodiment of the utility model provides a connecting rod microcephaly hole honing mould is applicable to and carries out the sight of honing to connecting rod microcephaly 100. When the small end 100 of the connecting rod needs to be honed, the clamping fixture is fixed on honing equipment, and the honing head is positioned above the small end clamping mechanism 4. Before honing, two connecting rods are horizontally placed, so that the big end of each connecting rod is positioned in the big end clamping unit 300, the small end is positioned in the small end clamping unit 400, the front end of the positioning screw 5 is protruded to be in contact with the outer wall of the small end of the connecting rod, and when the honing head moves downwards from the upper part of the small end clamping mechanism 4, the small end holes in the two connecting rods can be honed in sequence.
In the honing process, because the lower bottom of the honing head is provided with the positioning bevel angle with the width of d, when the honing head gradually moves downwards to the small hole of the small connecting rod head 100 in the honing process, the small connecting rod head 100 is driven to move d along the direction far away from the positioning screw 5, as shown in fig. 3 and 5, and then the honing head self-centers the small connecting rod head hole, and the small connecting rod hole is coaxial with the honing head.
The embodiment of the utility model provides a connecting rod microcephaly hole honing mould, can once realize two connecting rod honing work of team, honing efficiency is higher, and be provided with set screw 5, when having guaranteed that the connecting rod is placed in the installation, distance between the axle center of its connecting rod microcephaly hole and the axle center of honing head is unanimous with the location oblique angle width of honing head, make honing head down time, can be from centering connecting rod microcephaly hole, guarantee that connecting rod microcephaly hole and honing equipment are coaxial, honing precision has both been provided, no longer need the manual work to aim at honing mould upper hole again, honing equipment's life-span has been improved.
It should be noted that, in the embodiment of the present invention, the difference between the length of the through opening and the width of the large end 200 of the connecting rod, the difference between the distance between two straight line segments and the outer diameter of the small end 100 of the connecting rod, the difference between the diameter of the circular arc segment and the outer diameter of the small end 100 of the connecting rod, and the preset distance that the positioning protrusion 51 passes through the threaded hole 411 are all related to the width d of the positioning bevel angle at the lower bottom of the honing head. In a possible implementation manner, when the width of the positioning bevel is 1.5mm, the difference between the length of the through opening in the large-head clamping unit 300 and the width of the large head 200 of the connecting rod is 1.5mm, the difference between the distance between two straight line segments in the small-head clamping unit 400 and the outer diameter of the small head 100 of the connecting rod is 2mm, and the difference between the diameter of the circular arc segment and the outer diameter of the small head 100 of the connecting rod is 4mm, in this case, the preset distance that the positioning protrusion 51 passes through the threaded hole 411 is 0.5 mm.
For example: the width of the positioning bevel angle is 1.5mm, the width of the large end 200 of the connecting rod is 78mm, and when the outer diameter of the small end 100 of the connecting rod is 36mm, the length of a through opening in the large end clamping unit 300 is 79.5mm, the distance between two straight line segments in the small end clamping unit 400 is 38mm, and the diameter of an arc segment is 40 mm.
Regarding the structure of the large head clamping mechanism 3, in one possible implementation manner, as shown in fig. 9-10, it includes, from bottom to top: the large-head lower cushion plate 31, the two large-head lower partition plates 32, the large-head middle cushion plate 33, the two large-head upper partition plates 34 and the large-head top plate 35 are arranged in parallel, wherein the size and the shape of each large-head upper partition plate 34 and the size and the shape of each large-head lower partition plate 32 are the same;
the big-end lower cushion plate 31 is detachably connected with the bottom plate 2, the big-end lower cushion plate 31 is a rectangular plate, the big-end lower partition plate 32 is in a strip shape, the length of the big-end lower partition plate 32 is matched with the width of the big-end lower cushion plate 31, the two big-end lower partition plates 32 are respectively positioned on two short sides of the big-end lower cushion plate 31, the big-end middle cushion plate 33 is a rectangular plate provided with a U-shaped through groove, the size of the big-end middle cushion plate 33 is matched with the big-end lower cushion plate 31, the two big-end upper partition plates 34 are respectively positioned on the two short sides of the big-end middle cushion plate 33, and the size and the shape of the big-end top;
the big head lower backing plate 31, the two big head lower clapboards 32 and the big head middle backing plate 33 form a big head clamping unit 300, and the big head middle backing plate 33, the two big head upper clapboards 34 and the big head top plate 35 form another big head clamping unit 300.
The distance between the two big-head upper clapboards 34 or the two big-head lower clapboards 32 is the length of the through opening in the big-head clamping unit 300.
The bottom plate 2 is further provided with a second abdicating hole 22 which is coaxial with the connecting rod big end 200 hole and has the same size, and the big end lower cushion plate 31 is provided with a big end lower cushion plate 31 through hole which is coaxial with the second abdicating hole 22 and has the same size.
In addition, for convenience of disassembly, the bottom plate 2, the large-head lower cushion plate 31, the two large-head lower partition plates 32, the large-head middle cushion plate 33, the two large-head upper partition plates 34 and the large-head top plate 35 are detachably connected through bolts.
As regards the structure of the small end chuck, in one possible implementation, as shown in fig. 11-12, the small end chuck 4 comprises: the small-head lower cushion plate 41, the small-head lower partition plate 42, the small-head middle cushion plate 43, the small-head upper partition plate 44 and the small-head top plate 45 are arranged in parallel, wherein the small-head lower cushion plate 41, the small-head middle cushion plate 43 and the small-head top plate 45 are identical in size and shape, and the small-head upper partition plate 44 and the small-head lower partition plate 42 are identical in size and shape;
the small-head lower backing plate 41 is detachably connected with the bottom plate 2, the small-head lower backing plate 41 is a rectangular plate, a through hole which is coaxial with the first abdicating hole 21 and has the same size is arranged in the center of the small-head lower backing plate, the small-head lower partition plate 42 is a rectangular plate provided with a U-shaped guide notch 410, the axis of the guide notch is coaxial with the first abdicating hole 21, and the through hole of the small-head lower backing plate 41, the guide notch on the small-head lower partition plate 42, the through hole of the small-head middle backing plate 43, the guide notch on the small-head upper partition plate 44 and the through hole of the small-head.
The small-head lower backing plate 41, the small-head lower partition plate 42 and the small-head middle backing plate 43 form a small-head clamping unit 400, and the small-head middle backing plate 43, the small-head upper partition plate 44 and the small-head top plate 45 form another small-head clamping unit 400.
In addition, for the convenience of disassembly, the bottom plate 2, the small-head lower backing plate 41, the small-head lower partition plate 42, the small-head middle backing plate 43, the small-head upper partition plate 44 and the small-head top plate 45 are detachably connected through bolts.
In the above case, in order to prevent the set screw 5 from falling, as shown in fig. 1, a nut 46 is fixedly provided outside the screw hole 411 of the lower small-head partition plate 42 and the upper small-head partition plate 44, and the set screw 5 is inserted through the nut 46 and the screw hole 411 in this order.
Regarding the structure of the base 1, in a possible implementation manner, as shown in fig. 6, the base 1 includes a base bottom plate 11, two vertical and parallel supporting plates 12 are fixedly disposed on the base bottom plate 11, a base top plate 13 is disposed between tops of the two supporting plates 12, each supporting plate 12 is connected with the base top plate 13 through a fastening bolt, and the bottom plate 2 is disposed on the base top plate 13.
In addition, a scrap passing hole 131 is further formed in the center of the base top plate 13, and a scrap storage groove which is located on the base bottom plate 11 and is open at the top is formed below the scrap passing hole 131.
Taking the positioning bevel angle width of 1.5mm as an example, the specific implementation mode is as follows:
the clamping fixture is fixed on honing equipment, a honing head is positioned above a small head top plate 45 and is coaxial with a through hole on the small head top plate 45, a connecting rod is put into the connecting rod from a through hole at the left end of a large head clamping unit 300, a small head 100 of the connecting rod gradually moves leftwards and enters a U-shaped guide notch 410 on an upper small head partition plate 44 or a lower small head partition plate 42, and when the connecting rod cannot move forwards due to the fact that the connecting rod is blocked by the side wall of the upper small head partition plate 44 or the lower small head partition plate 42, the left side and the right side of the connecting rod are; rotating the positioning screw 5 to enable the positioning screw 5 to be in contact with the nut 46, wherein the positioning bulge 51 penetrates through the threaded hole by 0.5mm, and moving the middle parts of the connecting rod big head 200 and the connecting rod small head 100 to enable the connecting rod to be in contact with the positioning point at the front end of the screw so as to complete positioning of the front side and the rear side of the connecting rod; when the honing head moves downwards from the upper part of the small head top plate 45, the small head holes on the two connecting rods can be honed in sequence, in the honing process, the small head 100 of the connecting rod moves 1.5mm along the direction far away from the positioning screw 5, so that the small hole of the connecting rod and the honing head are coaxial, and then the honing head self-centers the small head hole of the connecting rod to finish honing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (9)

1. A connecting rod microcephaly hole honing mould which characterized in that, it includes: the honing tool comprises a base (1), wherein a bottom plate (2) is arranged above the base (1), a first abdicating hole (21) with the same size as the cross section of a honing head is formed in the bottom plate (2), a large-head clamping mechanism (3) and a small-head clamping mechanism (4) are detachably connected above the bottom plate (2), and a honing head through hole which is coaxial with the first abdicating hole (21) and has the same size is formed in the small-head clamping mechanism (4);
the large-head clamping mechanism (3) comprises two large-head clamping units (300) which are arranged up and down, the small-head clamping mechanism (4) comprises two small-head clamping units (400) which are arranged up and down, the large-head clamping units (300) are used for accommodating the large heads (200) of the connecting rods, and the small-head clamping units (400) are used for accommodating the small heads (100) of the connecting rods;
the left end and the rear end of the large-head clamping unit (300) are communicated, the width of a through opening is larger than that of the large connecting rod head (200), a U-shaped guide notch (410) is formed in the small-head clamping unit (400), and the size of the guide notch (410) is larger than the outer diameter of the small connecting rod head (100);
be equipped with on the lateral wall of microcephaly clamping unit (400) and be used for supplying screw hole (411) that set screw (5) passed, the front end of set screw (5) is equipped with location arch (51), location arch (51) are used for passing screw hole (411) when predetermineeing the distance with the outer wall contact of connecting rod microcephaly (100), thereby it is right the connecting rod is fixed a position.
2. Connecting rod small end hole honing mould according to claim 1, characterized in that the large end clamping mechanism (3) comprises from bottom to top: the device comprises a big-head lower cushion plate (31), two big-head lower partition plates (32), a big-head middle cushion plate (33), two big-head upper partition plates (34) and a big-head top plate (35), wherein the big-head upper partition plates (34) and the big-head lower partition plates (32) are identical in size and shape;
the large-head lower cushion plate (31) is detachably connected with the base plate (2), the large-head lower cushion plate (31) is a rectangular plate, the large-head lower partition plate (32) is in a long strip shape, the length of the large-head lower partition plate (32) is matched with the width of the large-head lower cushion plate (31), the two large-head lower partition plates (32) are respectively located on two short sides of the large-head lower cushion plate (31), the large-head middle cushion plate (33) is a rectangular plate provided with a U-shaped through groove, the size of the large-head middle cushion plate (33) is matched with the large-head lower cushion plate (31), the two large-head upper partition plates (34) are respectively located on the two short sides of the large-head middle cushion plate (33), and the size and the shape of the large-head top plate (35) and the large-head middle cushion plate (33) are consistent;
the large-head lower backing plate (31), the two large-head lower clapboards (32) and the large-head middle backing plate (33) form one large-head clamping unit (300), and the large-head middle backing plate (33), the two large-head upper clapboards (34) and the large-head top plate (35) form the other large-head clamping unit (300).
3. The connecting rod small end hole honing mould according to claim 2, wherein the bottom plate (2) is further provided with a second abdicating hole (22) coaxial with and the same as the connecting rod large end (200) hole, and the large end lower cushion plate (31) is provided with a large end lower cushion plate (31) through hole coaxial with and the same as the second abdicating hole (22).
4. Connecting rod small end hole honing mould according to claim 2, characterized in that the bottom plate (2), the large end lower backing plate (31), the two large end lower partition plates (32), the large end middle backing plate (33), the two large end upper partition plates (34) and the large end top plate (35) are detachably connected through bolts.
5. Connecting rod small end hole honing mould according to claim 1, characterized in that the small end clamping mechanism (4) comprises: the small head structure comprises a small head lower base plate (41), a small head lower partition plate (42), a small head middle base plate (43), a small head upper partition plate (44) and a small head top plate (45), wherein the small head lower base plate (41), the small head middle base plate (43) and the small head top plate (45) are identical in size and shape, and the small head upper partition plate (44) and the small head lower partition plate (42) are identical in size and shape;
the small-head lower backing plate (41) is detachably connected with the bottom plate (2), the small-head lower backing plate (41) is a rectangular plate, a through hole which is coaxial with the first yielding hole (21) and has the same size is formed in the center of the small-head lower backing plate, the small-head lower partition plate (42) is a rectangular plate provided with the guide notch (410), and the axis of the guide notch (410) is coaxial with the first yielding hole (21);
the small head lower backing plate (41), the small head lower partition plate (42) and the small head middle backing plate (43) form one small head clamping unit (400), and the small head middle backing plate (43), the small head upper partition plate (44) and the small head top plate (45) form the other small head clamping unit (400).
6. The connecting rod small end hole honing mould according to claim 5, characterized in that the bottom plate (2), the small end lower backing plate (41), the small end lower partition plate (42), the small end middle backing plate (43), the small end upper partition plate (44) and the small end top plate (45) are detachably connected through bolts.
7. The connecting rod small end hole honing mould according to claim 6, characterized in that nuts (46) are fixedly arranged on the outer side walls of the small end lower partition plate (42) and the small end upper partition plate (44), the inner diameter of each nut (46) is equal to the inner diameter of the corresponding threaded hole (411), and the positioning screws (5) sequentially penetrate through the nuts (46) and the corresponding threaded holes (411).
8. Connecting rod small end hole honing mould according to claim 1, characterized in that the base (1) comprises a base bottom plate (11), two vertical and parallel supporting plates (12) are fixedly arranged on the base bottom plate (11), a base top plate (13) is arranged between the tops of the two supporting plates (12), each supporting plate (12) is connected with the base top plate (13) through a fastening bolt, and the bottom plate (2) is arranged on the base top plate (13).
9. Connecting rod microcephaly hole honing mould according to claim 8, characterized in that the center of the base top plate (13) is further provided with a chip passing hole (131), and a chip storage groove which is positioned on the base bottom plate (11) and is opened at the top is arranged below the chip passing hole (131).
CN202020565114.1U 2020-04-16 2020-04-16 Honing mould for connecting rod small end hole Active CN211992422U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775831A (en) * 2021-01-21 2021-05-11 常州机电职业技术学院 Floating clamp for honing big end hole of connecting rod
CN116276617A (en) * 2023-05-23 2023-06-23 南宫市精强连杆有限公司 Multi-shaft multi-station honing device for connecting rod assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775831A (en) * 2021-01-21 2021-05-11 常州机电职业技术学院 Floating clamp for honing big end hole of connecting rod
CN116276617A (en) * 2023-05-23 2023-06-23 南宫市精强连杆有限公司 Multi-shaft multi-station honing device for connecting rod assembly
CN116276617B (en) * 2023-05-23 2024-01-09 南宫市精强连杆有限公司 Multi-shaft multi-station honing device for connecting rod assembly

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