CN210677719U - Piston centre bore processing agency - Google Patents
Piston centre bore processing agency Download PDFInfo
- Publication number
- CN210677719U CN210677719U CN201921229378.3U CN201921229378U CN210677719U CN 210677719 U CN210677719 U CN 210677719U CN 201921229378 U CN201921229378 U CN 201921229378U CN 210677719 U CN210677719 U CN 210677719U
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- rod
- bearing assembly
- shaft
- shaft sleeve
- drill bit
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Abstract
The utility model discloses a piston centre bore processing agency, its characterized in that: the mechanism comprises a circular truncated cone-shaped shaft sleeve, the front end and the rear end of the shaft sleeve are respectively provided with a bearing assembly, the bearing assembly comprises two bearings and a spacer sleeve clamped between the two bearings, a main shaft is supported in the shaft sleeve through the bearing assembly, two ends of the shaft sleeve are also provided with a gland, one end of the main shaft is provided with an inserting hole, a drill bit is inserted in the inserting hole, meanwhile, the main shaft is also in threaded connection with a jackscrew matched with the drill bit, one end of the main shaft far away from the inserting hole is connected with the end part of the feed rod, the other end of the feeding rod is connected with the swing rod through a first rotating shaft, the first rotating shaft is connected in a first long hole arranged on the swing rod in a sliding manner, the other end of the swing rod is provided with a second long hole, a second rotating shaft arranged at the end part of the driving rod is connected in the second long hole in a sliding mode, and the other end of the driving rod can be in contact with a middle dragging plate of a machine tool.
Description
Technical Field
The utility model relates to a machine tooling field, especially a piston centre bore processing agency.
Background
The piston is a core component of the engine, and the processing quality of the piston directly influences the service life and the safety of the engine. Therefore, the thickness difference of the inner cavity wall of the piston is strictly controlled in the piston machining process. When a center hole of a piston is machined in the prior art, an outer circle is machined firstly, then a positioning center hole is machined at the head of the piston, and then a clamping and jacking mode is adopted for machining the center hole. By adopting the mode to process the center hole of the piston, the working procedures are multiple, and the clamping operation needs to be frequently carried out, so that the whole processing time is longer, and the working efficiency is relatively lower. Meanwhile, the quality of the whole processing process is completely controlled by manual alignment of an operator, and the hidden danger of quality problems caused by human factors is large. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
Disclosure of Invention
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide an easy operation, repeated positioning accuracy is high, can accomplish the processing of excircle and centre bore in a clamping, reduces process and clamping number of times, raises the efficiency and the precision, guarantees product processingquality's piston centre bore processing agency.
The technical solution of the utility model is that: the utility model provides a piston centre bore processing agency which characterized in that: the mechanism comprises a truncated cone-shaped shaft sleeve 1, wherein the front end and the rear end of the shaft sleeve 1 are respectively provided with a bearing assembly, the bearing assembly comprises two bearings 2 and a spacer 3 clamped between the two bearings, a spindle 4 is supported in the shaft sleeve 1 through the bearing assembly, two ends of the shaft sleeve 1 are also provided with a gland 5, one end of the spindle 4 is provided with an insertion hole 6, a drill bit 7 is inserted in the insertion hole 6, meanwhile, the spindle 4 is also in threaded connection with a jackscrew 8 matched with the drill bit 7, one end of the spindle 4 far away from the insertion hole 6 is connected with the end part of a feed rod 9, the other end of the feed rod 9 is connected with a swing rod 11 through a first rotating shaft 10, the first rotating shaft 10 is in sliding connection with a first long hole 12 arranged on the swing rod 11, the other end of the swing rod 11 is provided with a second long hole 13, and a second rotating shaft 15 arranged at the end part of a driving rod 14 is, the other end of the driving rod 14 can contact with a middle carriage 16 of the machine tool,
the middle part of the main shaft 4 is provided with a limiting step 17, the main shaft 4 is also sleeved with a spring 18, and two ends of the spring 18 respectively prop against the limiting step 17 and a bearing assembly close to the drill bit 7.
Compared with the prior art, the utility model, have following advantage:
this kind of structural style's piston centre bore processing agency, its simple structure, design benefit, rationally distributed, it compares with the traditional positioning fixture who is applied to the piston, and the operation is simpler, and repeated positioning accuracy is high, can accomplish the processing of excircle and centre bore in a clamping, reduces process and clamping number of times, raises the efficiency and the precision, guarantees product processingquality's piston centre bore processing agency. And the manufacturing process is simple, the manufacturing cost is low, so that the novel LED lamp has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1: a piston center hole processing mechanism comprises a truncated cone-shaped shaft sleeve 1 (namely, the outer wall of the shaft sleeve has a certain taper to adapt to an inner hole with taper on a machine tool), the front end and the rear end of the shaft sleeve 1 are respectively provided with a bearing assembly, the bearing assembly comprises two bearings 2 and a spacer 3 clamped between the two bearings, a spindle 4 is supported in the shaft sleeve 1 through the bearing assembly, two ends of the shaft sleeve 1 are also provided with glands 5, one end of the spindle 4 is provided with an insertion hole 6, a drill bit 7 is inserted in the insertion hole 6, meanwhile, the spindle 4 is further in threaded connection with a jackscrew 8 matched with the drill bit 7, one end of the spindle 4 far away from the insertion hole 6 is connected with the end part of a feed rod 9, the other end of the feed rod 9 is connected with a swing rod 11 through a first rotating shaft 10, the first rotating shaft 10 is in a first long hole 12 opened on the swing rod 11 in a sliding connection manner, a second long hole 13 is arranged at the other end of the swing rod 11, a second rotating shaft 15 arranged at the end part of a driving rod 14 is connected in the second long hole 13 in a sliding way, the other end of the driving rod 14 can be contacted with a middle planker 16 of a machine tool,
the middle part of the main shaft 4 is provided with a limiting step 17, the main shaft 4 is also sleeved with a spring 18, and two ends of the spring 18 respectively prop against the limiting step 17 and a bearing assembly close to the drill bit 7.
The utility model discloses piston centre bore processing agency's working process as follows: firstly, installing a shaft sleeve 1 in a main shaft positioning taper hole of a machine tool and fixing the shaft sleeve, enabling a main shaft 4 and a drill bit 7 to be in a contraction state under the action of a spring 18, starting the machine tool, firstly processing an excircle and other parts of a workpiece 19, and finally processing a center hole of a head, wherein in the process, a middle planker 16 on the machine tool moves and pushes a driving rod 14 to move, the horizontal movement of the driving rod 14 can be converted into the swing of a swing rod 11, the other end of the swing rod 11 drives a feed rod 9 to move, and finally the main shaft 4 is driven to move towards the direction of the workpiece 19, the workpiece 19 rotates, and when the drill bit 7 is contacted with the surface of the workpiece 19, holes are drilled on the; during the above process, the spring 18 is compressed;
when the middle dragging plate 16 moves reversely and is no longer in contact with the driving rod 14, the spring 18 drives the main shaft 4 to move reversely, and the swing rod 11, the feeding rod 9 and the driving rod 14 move reversely and wait for the next action.
Claims (1)
1. The utility model provides a piston centre bore processing agency which characterized in that: the mechanism comprises a truncated cone-shaped shaft sleeve (1), wherein the front end and the rear end of the shaft sleeve (1) are respectively provided with a bearing assembly, the bearing assembly comprises two bearings (2) and a spacer sleeve (3) clamped between the two bearings, a spindle (4) is supported in the shaft sleeve (1) through the bearing assembly, two ends of the shaft sleeve (1) are also provided with glands (5), one end of the spindle (4) is provided with an insertion hole (6), a drill bit (7) is inserted in the insertion hole (6), meanwhile, the spindle (4) is also in threaded connection with a jackscrew (8) matched with the drill bit (7), one end, far away from the insertion hole (6), of the spindle (4) is connected with the end of a feed rod (9), the other end of the feed rod (9) is connected with a swing rod (11) through a first rotating shaft (10), the first rotating shaft (10) is in a first long hole (12) formed in the swing rod (11) in a sliding connection mode, a second long hole (13) is formed in the other end of the swing rod (11), a second rotating shaft (15) arranged at the end part of the driving rod (14) is connected in the second long hole (13) in a sliding manner, the other end of the driving rod (14) can be contacted with a middle planker (16) of a machine tool,
the middle of the main shaft (4) is provided with a limiting step (17), the main shaft (4) is further sleeved with a spring (18), and two ends of the spring (18) are respectively supported against the limiting step (17) and a bearing assembly close to the drill bit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229378.3U CN210677719U (en) | 2019-08-01 | 2019-08-01 | Piston centre bore processing agency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229378.3U CN210677719U (en) | 2019-08-01 | 2019-08-01 | Piston centre bore processing agency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210677719U true CN210677719U (en) | 2020-06-05 |
Family
ID=70888766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921229378.3U Active CN210677719U (en) | 2019-08-01 | 2019-08-01 | Piston centre bore processing agency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210677719U (en) |
-
2019
- 2019-08-01 CN CN201921229378.3U patent/CN210677719U/en active Active
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