CN212598970U - Turning fixture device with axial positioning - Google Patents

Turning fixture device with axial positioning Download PDF

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Publication number
CN212598970U
CN212598970U CN202020376386.7U CN202020376386U CN212598970U CN 212598970 U CN212598970 U CN 212598970U CN 202020376386 U CN202020376386 U CN 202020376386U CN 212598970 U CN212598970 U CN 212598970U
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China
Prior art keywords
mandrel
expansion sleeve
axial positioning
sleeve
machine tool
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CN202020376386.7U
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Chinese (zh)
Inventor
王明泉
陶晓明
左俊中
戚娟娟
赵可永
曾惠敏
张秋阳
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Jiangsu Aijisi Haizhu Machinery Co ltd
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Jiangsu Aijisi Haizhu Machinery Co ltd
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Abstract

The turning clamp device with the axial positioning function comprises an expansion sleeve, wherein an outer circle of the expansion sleeve is used for sleeving a cylinder sleeve on the expansion sleeve, an operator can take off the cylinder sleeve after the expansion sleeve is shrunk inwards, a key groove is formed in the expansion sleeve, and a conical surface is arranged in the expansion sleeve. The turning fixture device with the axial positioning function further comprises a machine tool spindle connecting disc, an inner spigot is formed in the machine tool spindle connecting disc, a spigot is formed in the machine tool spindle, and the inner spigot of the machine tool spindle connecting disc and the spigot on the machine tool spindle are matched and fastened through screws. The defect that the expansion sleeve excircle is increased and the cylinder sleeve is difficult to sleeve into the expansion sleeve due to the fact that the expansion sleeve is limited to shrink by keys of a turning clamp in the prior art but cannot be limited to move inwards when the clamp is not clamped is effectively overcome by combining other structures.

Description

Turning fixture device with axial positioning
Technical Field
The utility model belongs to the technical field of the turning anchor clamps, also relate to cover type part machine tooling technology and equip, in particular to cylinder jacket car worker cutting process field, concretely relates to turning fixture device with axial positioning.
Background
The cylinder sleeve is a cylindrical part and is arranged in a cylinder body hole of the machine body, and the cylinder sleeve is tightly pressed and fixed by a cylinder cover. The piston reciprocates in its bore and is cooled by cooling water located externally thereof. In addition, as is well known, the turning of the cylinder sleeve is often carried out by clamping with a clamp for an expanding sleeve, the expanding sleeve is divided into three to five sections, one section is provided with a key slot, a key is arranged in the key slot, the key and the mandrel are fixed by a screw, and the pull rod moves under the action of the oil cylinder to control the inner cone of the expanding sleeve and the outer cone of the mandrel to generate relative displacement. The pull rod moves inwards to control the outer circle of the expansion sleeve to increase, so that the cylinder sleeve is clamped. The pull rod moves outwards to control the reduction of the outer circle of the expansion sleeve, so that the processed cylinder sleeve is taken down. The existing clamp has the following defects: the key can only limit the reduction degree of the expansion sleeve and cannot limit the expansion sleeve from moving inwards to increase the excircle of the expansion sleeve when the clamp is not clamped, so that the cylinder sleeve is difficult to sleeve into the expansion sleeve.
Disclosure of Invention
In order to solve the problem, the utility model provides a turning fixture device with axial positioning, the key of effectively having avoided among the prior art turning fixture can only restrict the cover that rises and reduce the degree and can not restrict anchor clamps and rise when not pressing from both sides tight the cover inwards and remove and lead to the cover excircle increase that rises, make to embolia the cylinder jacket and rise the defect that produces the difficulty when covering.
In order to overcome the deficiencies in the prior art, the utility model provides a turning fixture device's solution with axial positioning specifically as follows:
the utility model provides a turning fixture device with axial positioning, its includes the cover 2 that rises, 2 excircles of cover that rise are used for sheathe the air cylinder cover above that, the cover 2 that rises can take off the air cylinder cover after the internal contraction, it has the keyway to open on the cover 2 to rise, it is equipped with the conical surface in the cover to rise.
The turning fixture device with the axial positioning function further comprises a machine tool spindle connecting disc 1, an inner spigot is formed in the machine tool spindle connecting disc 1, a spigot is formed in the machine tool spindle, and the inner spigot of the machine tool spindle connecting disc 1 is matched with the spigot on the machine tool spindle and fastened through screws.
Turning fixture device with axial positioning still includes dabber 3, dabber 3 is the hollow structure that both ends link up, and both ends link up and just form the hole of dabber 3, the left side of dabber 3 is equipped with the flange tang, it has the flange tang to open on the right of machine tool spindle connection pad 1, the flange tang of dabber 3 with the cooperation of the flange tang of machine tool spindle connection pad 1 is with screw-fastening, it has the pinhole that link up to open on the right-hand member excircle of dabber 3, be equipped with the keyway on the dabber 3, the keyway of dabber 3 with the keyway of cover 2 that rises communicates with each other, the dabber left side still has the external conical surface.
The turning fixture device with the axial positioning function further comprises a pull rod 4, and one end of the left side of the pull rod 4 penetrates through an inner hole of the mandrel 3 to be in threaded connection with an oil cylinder piston.
The turning fixture device with the axial positioning function further comprises a key 5, the key 5 is arranged between the key groove of the mandrel 3 and the key groove of the expansion sleeve 2, the bottom surface of the key groove of the mandrel 3 is in contact with the bottom surface of the key 5,
the key 5 is screwed with the mandrel 3 by a screw.
The turning fixture device with the axial positioning function further comprises a movable conical head 6 and a flat pin 7, wherein the movable conical head 6 is sleeved on the outer circle of the right end of the mandrel 3, and the movable conical head 6 is fixedly connected with the pull rod 4 through the flat pin 7; the outer conical surface of the movable conical head 6 is matched with the inner conical surface of the expansion sleeve 2, and the outer conical surface on the left side of the mandrel 3 is matched with the conical surface in the expansion sleeve 2.
The turning clamp device with the axial positioning function further comprises a tension spring 9 and a positioning screw 10, wherein the positioning screw is screwed into the pull rod 4 through a key groove of the expansion sleeve 2 and a key groove of the core shaft 3; encircle and be equipped with extension spring groove one on the both ends of cover that rises 2, extension spring 9 on the extension spring groove endotheca, extension spring 9 is used for fixing cover that rises 2 still is used for when 4 outside removal of pull rod, reduce the cover excircle that rises.
And a second tension spring groove is also formed in the outer wall of the movable conical head 6 in a surrounding mode, and the flat pin 7 is fixed by the tension spring 9 on the inner sleeve of the second tension spring groove.
The utility model has the advantages that:
the utility model discloses an axial positioning function is taken to the cover that rises, solves because of the cover that rises when the lower dress cylinder jacket of unclamping the state, and the cover that rises removes and leads to the cover that rises to rise to make the installation cylinder jacket difficult problem to appear. The working efficiency of the operator is improved, and the labor intensity of the operator is reduced.
Drawings
FIG. 1 is a cross-sectional view of the turning fixture apparatus with axial positioning of the present invention;
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the turning fixture device with axial positioning comprises an expansion sleeve 2, wherein an outer circle of the expansion sleeve 2 is used for sleeving a cylinder sleeve on the expansion sleeve, an operator can take down the cylinder sleeve after the expansion sleeve 2 contracts inwards, a key groove is formed in the expansion sleeve 2, and a conical surface is arranged in the expansion sleeve. The turning fixture device with the axial positioning function further comprises a cylindrical machine tool spindle connecting disc 1, a through type inner spigot is formed in the end wall of the machine tool spindle connecting disc 1, a spigot is formed in the machine tool spindle, and the inner spigot of the machine tool spindle connecting disc 1 and the spigot on the machine tool spindle are matched face to face and fastened through screws. Turning fixture device with axial positioning still includes cylindrical dabber 3, dabber 3 is the hollow structure that both ends link up, and both ends link up and just form dabber 3's hole, the left side of dabber 3 is equipped with the flange tang, it has the flange tang to open on the right of lathe main shaft connection pad 1, the flange tang of dabber 3 with the face-to-face cooperation of the flange tang of lathe main shaft connection pad 1 is fastened with the screw, it has the pinhole that link up to open on the right-hand member excircle of dabber 3, be equipped with the keyway on the dabber 3, the keyway of dabber 3 with the keyway of cover 2 that rises communicates with each other, the dabber left side still has the external conical surface. The turning fixture device with the axial positioning function further comprises a rod-shaped pull rod 4, and one end of the left side of the pull rod 4 penetrates through an inner hole of the mandrel 3 to be in threaded connection with an oil cylinder piston. The turning fixture device with the axial positioning function further comprises a key 5, wherein the key 5 is arranged between the key groove of the mandrel 3 and the key groove of the expansion sleeve 2, the bottom surface of the key groove of the mandrel 3 is in contact with the bottom surface of the key 5, and the key 5 is in threaded connection with the mandrel 3 through screws to be fastened. The turning fixture device with the axial positioning function further comprises a movable conical head 6 and a flat pin 7, wherein two ends of the movable conical head 6 are communicated, the movable conical head 6 is sleeved on the excircle of the right end of the mandrel 3, and the movable conical head 6 is fixedly connected with the pull rod 4 through the flat pin 7; the outer conical surface of the movable conical head 6 is matched with the inner conical surface of the expansion sleeve 2, and the outer conical surface on the left side of the mandrel 3 is matched with the conical surface in the expansion sleeve 2. The structure that the flat pin 7 fixedly connects the movable conical head 6 with the pull rod 4 is as follows: the outer wall of the movable conical head 6 and the outer wall of the pull rod 4 are provided with pin holes which face each other, and the flat pin 7 is pinned in the pin holes. The turning clamp device with the axial positioning function further comprises a tension spring 9 and a positioning screw 10, wherein the positioning screw penetrates through a key groove of the expansion sleeve 2 and a key groove of the core shaft 3 and is screwed into a screw hole formed in the pull rod 4; encircle and be equipped with extension spring groove one on the both ends of cover that rises 2, extension spring 9 on the extension spring groove endotheca, extension spring 9 can be used for fixing cover that rises 2 still is used for can when 4 outside removal of pull rod, reduce the cover excircle that rises. And a second tension spring groove is also formed in the outer wall of the movable conical head 6 in a surrounding mode, and the flat pin 7 is fixed by the tension spring 9 on the inner sleeve of the second tension spring groove. The two ends of the flat pin 7 are pressed and fixed by the tension spring 9.
When the expansion sleeve works, the cylinder sleeve is sleeved on the outer circle of the expansion sleeve, the pull rod is driven by the oil cylinder piston to pull the movable conical head in the axial direction, and the inner conical surface of the expansion sleeve, the outer conical surface of the mandrel and the outer conical surface of the movable conical head are relatively displaced, so that the expansion sleeve outwards expands the cylinder sleeve; after the processing is finished, the pull rod is driven by the oil cylinder piston to axially loosen the movable conical head, and meanwhile, the expansion sleeve moves towards the right side and is positioned under the action of the positioning screw, so that the expansion sleeve contracts inwards, and an operator takes down the cylinder sleeve. Due to the positioning effect of the positioning screws of the expansion sleeve, the expansion sleeve cannot expand to cause the difficulty in smoothly sleeving the cylinder sleeve in the process of sleeving the cylinder sleeve into the excircle of the expansion sleeve.
The utility model has the advantages that: the expansion sleeve has an axial positioning function, and the problem that the expansion sleeve is difficult to install due to expansion caused by expansion of the expansion sleeve when the expansion sleeve is installed on the cylinder sleeve in a loosened state is solved. The working efficiency of the operator is improved, and the labor intensity of the operator is reduced.
Having thus described the present invention by way of example, it will be appreciated by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, modifications and substitutions may be made without departing from the scope of the invention.

Claims (8)

1. The turning fixture device with the axial positioning function is characterized by comprising an expansion sleeve, wherein an outer circle of the expansion sleeve is used for sleeving a cylinder sleeve on the expansion sleeve, an operator can take off the cylinder sleeve after the expansion sleeve is shrunk inwards, a key groove is formed in the expansion sleeve, and a conical surface is arranged in the expansion sleeve.
2. The turning fixture device with axial positioning of claim 1, further comprising a machine tool spindle connecting disc, wherein the machine tool spindle connecting disc is provided with an inner spigot, the machine tool spindle is provided with a spigot, and the inner spigot of the machine tool spindle connecting disc and the spigot of the machine tool spindle are matched and fastened by screws.
3. The turning fixture device with axial positioning as claimed in claim 2, wherein the turning fixture device with axial positioning further comprises a mandrel, the mandrel is a hollow structure with two through ends, the two through ends form an inner hole of the mandrel, a flange spigot is arranged on the left side of the mandrel, a flange spigot is arranged on the right side of the machine tool spindle connecting disc, the flange spigot of the mandrel and the flange spigot of the machine tool spindle connecting disc are matched and fastened by screws, a through pin hole is arranged on the excircle of the right end of the mandrel, a key groove is arranged on the mandrel, the key groove of the mandrel is communicated with the key groove of the expansion sleeve, and an outer conical surface is arranged on the left side of the mandrel.
4. The turning fixture device with axial positioning of claim 3, further comprising a pull rod, wherein the left end of the pull rod passes through the inner hole of the mandrel and is in threaded connection with the cylinder piston.
5. The turning fixture device with axial positioning as claimed in claim 3, further comprising a key, wherein the key is installed between the key groove of the mandrel and the key groove of the expanding sleeve, the bottom surface of the key groove of the mandrel is in contact with the bottom surface of the key, and the key is in threaded connection with the screw for the mandrel.
6. The turning fixture device with axial positioning as claimed in claim 4, further comprising a movable conical head and a flat pin, wherein the movable conical head is sleeved on the excircle at the right end of the mandrel, and the flat pin is used for fixedly connecting the movable conical head with the pull rod; the outer conical surface of the movable conical head is matched with the inner conical surface of the expansion sleeve, and the outer conical surface on the left side of the mandrel is matched with the conical surface in the expansion sleeve.
7. The turning fixture device with axial positioning as claimed in claim 3, further comprising a tension spring and a set screw, wherein the set screw is screwed on the tension rod through the key slot of the expanding sleeve and the key slot of the mandrel; the tension spring is used for fixing the expansion sleeve and is also used for reducing the excircle of the expansion sleeve when the pull rod moves outwards.
8. The turning fixture device with axial positioning as claimed in claim 6, wherein a second tension spring slot is also opened around the outer wall of the movable cone head, and the second tension spring slot is internally sleeved with the tension spring to fix the flat pin.
CN202020376386.7U 2020-03-23 2020-03-23 Turning fixture device with axial positioning Active CN212598970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020376386.7U CN212598970U (en) 2020-03-23 2020-03-23 Turning fixture device with axial positioning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020376386.7U CN212598970U (en) 2020-03-23 2020-03-23 Turning fixture device with axial positioning

Publications (1)

Publication Number Publication Date
CN212598970U true CN212598970U (en) 2021-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020376386.7U Active CN212598970U (en) 2020-03-23 2020-03-23 Turning fixture device with axial positioning

Country Status (1)

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CN (1) CN212598970U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536067A (en) * 2022-02-25 2022-05-27 常州机电职业技术学院 Special expandable mandrel finish turning clamp for eccentric sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536067A (en) * 2022-02-25 2022-05-27 常州机电职业技术学院 Special expandable mandrel finish turning clamp for eccentric sleeve

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