CN213106297U - Single cylinder crankshaft grinding connecting rod neck anchor clamps - Google Patents
Single cylinder crankshaft grinding connecting rod neck anchor clamps Download PDFInfo
- Publication number
- CN213106297U CN213106297U CN202021027934.1U CN202021027934U CN213106297U CN 213106297 U CN213106297 U CN 213106297U CN 202021027934 U CN202021027934 U CN 202021027934U CN 213106297 U CN213106297 U CN 213106297U
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- mounting hole
- core rod
- positioning
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to a single cylinder crankshaft grinding connecting rod neck anchor clamps, contain anchor clamps base and location plug, be provided with bent axle mounting hole, bent axle locking hole and plug mounting hole on the anchor clamps base, the axis of bent axle mounting hole and plug mounting hole is parallel with the central line of anchor clamps base, bent axle locking hole is perpendicular with the central line of anchor clamps base, bent axle mounting hole is used for installing the bent axle, bent axle locking hole is used for installing bent axle locking screw; the positioning core rod is in rotating fit with the core rod mounting hole, a positioning disc is arranged on the positioning core rod, the positioning disc is coaxial with the positioning core rod and the core rod mounting hole, and the positioning disc is provided with an outer circumferential structure matched with a connecting rod neck of the crankshaft and a notch structure avoiding the crankshaft; according to the scheme, the positioning core rod and the positioning disc which are eccentrically clamped are matched with the connecting rod neck of the crankshaft, so that the crankshaft can be quickly installed and positioned, and the connecting rod neck is subjected to grinding processing; the whole structure is simple, the cost is low, the use is convenient, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to a single cylinder bent axle grinding connecting rod neck anchor clamps belongs to frock clamp technical field.
Background
In the production process of the single-cylinder crankshaft, the connecting rod neck of the single-cylinder crankshaft needs to be ground, a special machine tool or a crankshaft is needed in the past, the cost is high, and the clamping is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single cylinder bent axle grinding connecting rod neck anchor clamps in order to overcome prior art not enough.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a single-cylinder crankshaft grinding connecting rod neck clamp comprises a clamp base and a positioning core rod, wherein a crankshaft mounting hole, a crankshaft locking hole and a core rod mounting hole are formed in the clamp base; the positioning core rod is matched with the core rod mounting hole, a positioning disc is arranged on the positioning core rod, the positioning disc is coaxial with the positioning core rod and the core rod mounting hole, and the positioning disc is provided with an outer circumference structure matched with a connecting rod neck of the crankshaft and a notch structure avoiding the crankshaft.
Preferably, a positioning sleeve is arranged in the crankshaft mounting hole and is in interference fit with the crankshaft.
Preferably, a connecting line from the axis of the crankshaft mounting hole to the center line of the clamp base is perpendicular to a connecting line from the axis of the mandrel mounting hole to the center line of the clamp base.
Preferably, the front side of the clamp base is provided with a circular truncated cone structure, the outer circumference of the circular truncated cone structure is provided with a platform structure at one side close to the crankshaft mounting hole, and the crankshaft locking hole is formed in the platform structure.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the clamp for grinding the connecting rod neck of the single-cylinder crankshaft has a simple structure, and the crankshaft can be quickly installed and positioned by matching the eccentrically clamped positioning core rod and the positioning disc with the connecting rod neck of the crankshaft, so that the connecting rod neck is ground; the whole structure is simple, the cost is low, the use is convenient, and the processing efficiency is improved.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
fig. 1 is a front view of a single-cylinder crankshaft grinding connecting rod neck clamp of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a left side view of the single cylinder crankshaft grinding connecting rod neck clamp;
FIG. 4 is a top view of the single cylinder crankshaft grinding connecting rod neck clamp.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIGS. 1-4, a single cylinder bent axle grinding connecting rod neck anchor clamps, contain anchor clamps base 1 and location plug 2, be provided with bent axle mounting hole 3, bent axle locking hole 4 and plug mounting hole on the anchor clamps base 1, the axis of bent axle mounting hole 3 and plug mounting hole is parallel with the central line of anchor clamps base 1, the line of bent axle mounting hole 3 to the central line of anchor clamps base 1 and the line mutually perpendicular of the axis of plug mounting hole to the central line of anchor clamps base 1.
A circular truncated cone structure 8 is arranged on the front side of the clamp base 1, a platform structure is arranged on one side, close to the crankshaft mounting hole 3, of the outer circumference of the circular truncated cone structure 8, a crankshaft locking hole 4 is formed in the platform structure, and the crankshaft locking hole 4 is perpendicular to the central line of the clamp base 1; the crankshaft mounting hole 3 is used for mounting a crankshaft 5, a positioning sleeve 7 is arranged in the crankshaft mounting hole 3, the positioning sleeve 7 is in interference fit with the crankshaft 5, and the crankshaft locking hole 4 is used for mounting a crankshaft locking screw.
The positioning core rod 2 is matched with the core rod mounting hole in a rotating mode, a positioning disc 6 is arranged on the positioning core rod 2, the positioning disc 6 is coaxial with the positioning core rod 2 and the core rod mounting hole, and the positioning disc 6 is provided with an outer circumference structure matched with a connecting rod neck of the crankshaft 5 and a notch structure avoiding the crankshaft 5.
The clamp has a simple structure, the specification is changed simply and quickly, the clamp base is firstly arranged on the three-jaw chuck of the M1332 cylindrical grinding machine during processing, and the center distance is adjusted to ensure that the rotation center of the clamp is superposed with the center of the machine tool; then the crankshaft is placed in a positioning sleeve for radial and axial positioning, then the positioning core rod and a positioning disc are used for positioning the position of the connecting rod neck, so that the roughly machined connecting rod neck and the rotation center of the clamp are basically overlapped, then the crankshaft is locked by a copper head locking screw, then the positioning core rod is rotated, the notch side faces the crankshaft, the core rod can be drawn out, and the connecting rod neck is ground.
The positioning disc 6 can be made of metal material integrally processed with the positioning core rod 2; the positioning disc 6 can also be made of TPU material, and is sleeved on the positioning core rod 2 through interference fit, the TPU material can ensure the hardness of the material, so that the positioning precision is ensured, the appearance is smooth, and the workpiece can not be abraded.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a single cylinder crankshaft grinding connecting rod neck anchor clamps which characterized in that: the fixture comprises a fixture base (1) and a positioning core rod (2), wherein a crankshaft mounting hole (3), a crankshaft locking hole (4) and a core rod mounting hole are formed in the fixture base (1), the axes of the crankshaft mounting hole (3) and the core rod mounting hole are parallel to the central line of the fixture base (1), the crankshaft locking hole (4) is perpendicular to the central line of the fixture base (1), the crankshaft mounting hole (3) is used for mounting a crankshaft (5), and the crankshaft locking hole (4) is used for mounting a crankshaft locking screw; the positioning core rod (2) is matched with the core rod mounting hole, a positioning disc (6) is arranged on the positioning core rod (2), the positioning disc (6) is coaxial with the positioning core rod (2) and the core rod mounting hole, and the positioning disc (6) is provided with an outer circumference structure matched with a connecting rod neck of the crankshaft (5) and a notch structure avoiding the crankshaft (5).
2. The single cylinder crankshaft grinding connecting rod neck clamp of claim 1, wherein: a positioning sleeve (7) is arranged in the crankshaft mounting hole (3), and the positioning sleeve (7) is in interference fit with the crankshaft (5).
3. The single cylinder crankshaft grinding connecting rod neck clamp of claim 1, wherein: and a connecting line from the axis of the crankshaft mounting hole (3) to the central line of the clamp base (1) is vertical to a connecting line from the axis of the mandrel mounting hole to the central line of the clamp base (1).
4. The single cylinder crankshaft grinding connecting rod neck clamp of claim 1, wherein: the front side of the clamp base (1) is provided with a circular truncated cone structure (8), the outer circumference of the circular truncated cone structure (8) is provided with a platform structure at one side close to the crankshaft mounting hole (3), and the crankshaft locking hole (4) is arranged on the platform structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027934.1U CN213106297U (en) | 2020-06-08 | 2020-06-08 | Single cylinder crankshaft grinding connecting rod neck anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027934.1U CN213106297U (en) | 2020-06-08 | 2020-06-08 | Single cylinder crankshaft grinding connecting rod neck anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213106297U true CN213106297U (en) | 2021-05-04 |
Family
ID=75670677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021027934.1U Expired - Fee Related CN213106297U (en) | 2020-06-08 | 2020-06-08 | Single cylinder crankshaft grinding connecting rod neck anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213106297U (en) |
-
2020
- 2020-06-08 CN CN202021027934.1U patent/CN213106297U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |