CN214685439U - Machine shell inner hole machining clamp - Google Patents
Machine shell inner hole machining clamp Download PDFInfo
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- CN214685439U CN214685439U CN202120516862.5U CN202120516862U CN214685439U CN 214685439 U CN214685439 U CN 214685439U CN 202120516862 U CN202120516862 U CN 202120516862U CN 214685439 U CN214685439 U CN 214685439U
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- supporting plate
- plate
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- positioning
- transition block
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Abstract
The utility model discloses a machine shell inner hole machining clamp, which relates to the technical field of clamp manufacturing, and comprises a reference plate provided with a main shaft positioning hole, wherein a first supporting plate and a second supporting plate are respectively arranged on the reference surface of the reference plate, and a transition block is arranged between the second supporting plate and the first supporting plate; a plurality of return bolts penetrate through the first supporting plate, the tail ends of the return bolts penetrate through the first supporting plate and are abutted against the transition block, and return springs are sleeved on rod sections of the return bolts between bolt heads and the first supporting plate; a screw rod with a handle is arranged on the first supporting plate, and the tail end of the screw rod penetrates through the first supporting plate and is abutted to the transition block; a plurality of compression columns are arranged on the transition block; and a plurality of positioning pins corresponding to the plurality of pressing columns are arranged on the second supporting plate respectively. Compared with the prior art, the utility model discloses can solve the poor problem of machining precision of current casing.
Description
Technical Field
The utility model belongs to the technical field of the anchor clamps manufacturing technology and specifically relates to an anchor clamps for processing of vehicle air conditioner compressor casing hole.
Background
The machine shell is an important element of an automobile air-conditioning compressor, the machine shell is provided with a machine barrel body with an inner hole, and a plurality of threaded holes are circumferentially distributed on the end surface of an air inlet end of the machine barrel body; the outer edge of the machine barrel body is provided with a plurality of mounting foot holes, and the axial lead of the mounting foot holes and the axial lead of the inner hole of the machine barrel body are vertically arranged. Because the shell is matched with the bearing driving the moving shaft through a plurality of threaded holes at the air inlet end of the machine barrel body, the fixed scroll plate is arranged in the other end of the machine barrel body of the shell through the rear cover of the fixed scroll plate, the fixed scroll plate is connected with the movable scroll plate, and the movable scroll plate is arranged in the machine barrel body through the bearing seat; therefore, the axial lead of the inner hole of the machine barrel body and the axial leads of a plurality of threaded holes which are distributed in the circumferential direction on the end face of the air inlet end of the machine barrel body are required to be arranged coaxially, if the coaxiality of the inner hole of the machine barrel body and the axial leads of the threaded holes is out of tolerance, the rotating shaft lead of the movable scroll plate is not arranged on the rotation center of the driving shaft, the movable scroll plate can impact the inner wall of the bearing seat to generate abnormal sound, and riding comfort is reduced. At present, the machining steps of the inner hole of the machine barrel body of the machine shell are as follows: firstly, finishing the processing of the end surface of the air inlet end of the machine barrel body of the machine shell on a common lathe; secondly, re-clamping the workpiece on the turning center, and re-clamping the workpiece on the turning center, wherein the end face of the air inlet end is used as a positioning base surface to machine an inner hole of a machine shell body of the machine shell; thirdly, re-clamping the machining center, and machining a plurality of threaded holes in the end face of the air inlet end of the machine barrel body by taking the end face and the inner hole of the air inlet end as positioning base planes; the processing of the three procedures not only increases clamping errors, but also causes poor processing precision; in addition, the part of the machine shell which is processed is easy to collide with due to multiple times of clamping and carrying.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a shell hole adds clamping apparatus is provided to solve the poor problem of machining precision of current casing.
The utility model provides a technical scheme that technical problem adopted does: the clamp for machining the inner hole of the shell comprises a reference plate provided with a main shaft positioning hole, wherein the axis line of the main shaft positioning hole of the reference plate is perpendicular to the reference surface of the reference plate; a transition block is arranged between the second supporting plate and the first supporting plate; a plurality of return bolts penetrate through the first supporting plate, the tail ends of the return bolts penetrate through the first supporting plate and are abutted against the transition block, and return springs are sleeved on rod sections of the return bolts between bolt heads and the first supporting plate; a screw rod with a handle is arranged on the first supporting plate, and the tail end of the screw rod penetrates through the first supporting plate and is abutted to the transition block; a plurality of compression columns are arranged on the transition block; a plurality of positioning pins corresponding to the plurality of pressing columns are arranged on the second supporting plate respectively, and a positioning column section part is arranged at one end, facing the pressing columns, of each positioning pin; the axis of each positioning pin is perpendicular to the axis of the main shaft positioning hole of the reference plate.
Among the above-mentioned casing hole adds clamping apparatus technical scheme, more specific technical scheme can also be: each compression leg is abutted against the transition block through a threaded rod section arranged at one end.
Further: the other end of each positioning pin is provided with an insertion column section part, each positioning pin is inserted into the second supporting plate through the insertion column section part, and the second supporting plate is provided with an insertion hole for inserting the insertion column section part of each positioning pin.
Further: a limiting rod is arranged between the first supporting plate and the second supporting plate, one end of the limiting rod is connected with the second supporting plate, and the other end of the limiting rod is connected with the first supporting plate.
Further: and supporting plate positioning pins are arranged between the second supporting plate and the reference plate and between the first supporting plate and the reference plate.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has: 1. the first support plate and the second support plate on the reference plate of the machine shell inner hole machining clamp are symmetrically arranged by the axial lead of the main shaft positioning hole of the reference plate, the transition block is arranged between the second support plate and the first support plate, the transition block is provided with a plurality of compression columns, and the second support plate is provided with a plurality of positioning pins; during machining, the machine shell can be clamped by using the clamp without taking the end face of the air inlet end of the machine barrel body of the machine shell as an installation reference surface in the machining process, and the second supporting plate is provided with a plurality of positioning pins which can ensure that the axial lead of the machine shell is superposed with the axial lead of the main shaft of the turning center; the machine shell limits six degrees of freedom under the clamping of the transition plate, reduces the clamping times of workpieces, improves the consistency of the end surface of the air inlet end of the machine barrel body of the machine shell and the inner hole in the machining process, and improves the machining precision; 2. the original three processes are integrated into one process, so that the clamping times of two operators are reduced, the utilization rate of a machine tool is increased, and the economic benefit is improved.
Drawings
Fig. 1 is a schematic structural diagram of the housing of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is an isometric view of an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a reference plate according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second supporting plate according to an embodiment of the present invention.
Fig. 6 is a structural schematic diagram of the first support plate according to the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a transition plate according to an embodiment of the present invention.
Fig. 8 to 10 are schematic structural views of a plurality of positioning pins according to an embodiment of the present invention.
Fig. 11 is a schematic structural view of the compression leg according to the embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3, the casing 6 has a barrel body with an inner hole, six threaded holes are circumferentially distributed on an end surface of an air inlet end of the barrel body, and an exhaust hole and three mounting pin holes are arranged on an outer edge of the barrel body, wherein the three mounting pin holes are a first mounting pin hole, a second mounting pin hole and a third mounting pin hole respectively; the axis of the mounting pin holes is perpendicular to the axis of the inner hole of the machine barrel body of the machine shell 6.
The machine shell inner hole processing clamp shown in fig. 2 and 3 comprises a reference plate 11 provided with a main shaft positioning hole 112, wherein the axis line of the main shaft positioning hole 112 of the reference plate 11 is perpendicular to a reference surface 111 of the reference plate 11, as shown in fig. 4; in the present embodiment, the first support plate 3 and the second support plate 7 are respectively disposed on the reference surface 111 of the reference plate 11, as shown in fig. 5 and 6, the first support plate 3 and the second support plate 7 are both disposed perpendicular to the reference surface 111 of the reference plate 11, and the first support plate 3 and the second support plate 7 are symmetrically disposed about the axis of the spindle positioning hole 112 of the reference plate 11; support plate positioning pins are arranged between the second support plate and the reference plate and between the first support plate and the reference plate; a support plate positioning pin is arranged between the second support plate 7 and the reference plate 11, and the second support plate 7 is connected with the reference plate 11 through a fastening bolt; a support plate positioning pin is arranged between the first support plate 3 and the reference plate 11, and the first support plate 3 is connected with the reference plate 11 through a fastening bolt; in the embodiment, two limiting rods 5 are arranged between the first supporting plate 3 and the second supporting plate 7, one end of each limiting rod 5 is provided with a threaded rod section, and the other end of each limiting rod 5 is provided with an internal threaded hole; a threaded rod section at one end of the limiting rod 5 penetrates through the first supporting plate 3, a flat-head gasket, a spring gasket and a hexagon nut are sequentially sleeved on the rod section extending out of the first supporting plate 3 of the limiting rod 5, and the limiting rod 5 is connected with the first supporting plate 3 through the hexagon nut so as to ensure the stability of the vertical arrangement of the first supporting plate 3 and the second supporting plate 7 with the reference surface 111 of the reference plate 11; a transition block 4 is arranged between the second support plate 7 and the first support plate 3, as shown in fig. 7; three return bolts 10 are arranged on the first supporting plate 3 in a penetrating manner, the tail ends of the return bolts 10 penetrate through the first supporting plate 3 and are connected with the transition block 4, and a return spring 12 is sleeved on a rod section of each return bolt 10 between a bolt head and the first supporting plate 3; a screw rod 1 with a handle is arranged on the first supporting plate 3, and the tail end of the screw rod 1 penetrates through the first supporting plate 3 to be connected with a transition block 4; four compression columns 9 are arranged on the transition block 3, and one end of each compression column 9 is provided with a threaded rod section and is connected with the transition block 3 through the threaded rod section, as shown in fig. 11; a plurality of positioning pins corresponding to the four pressing columns 9 are arranged on the second supporting plate 7, a positioning column section part is arranged at one end of each positioning pin facing the corresponding pressing column 9, and an insertion column section part is arranged at the other end of each positioning pin and inserted into the second supporting plate 7 through the insertion column section parts; the four positioning pins of the present embodiment include an exhaust hole positioning pin 13 (opposite hole J), a first mounting pin hole positioning pin 8 (opposite hole H), a second mounting pin hole positioning pin (opposite hole K), and a third mounting pin hole positioning pin 14 (opposite hole L), as shown in fig. 8, 9, and 10; the exhaust hole positioning pin 13, one end of the exhaust hole positioning pin 13 facing the compression leg 9 is provided with a positioning column section 132, the other end of the exhaust hole positioning pin 13 is provided with an insertion column section 131 and is inserted in the exhaust hole positioning pin insertion hole J of the second supporting plate 7 through the insertion column section 131; a positioning column section part 142 is arranged at one end of the third pin hole positioning pin 14 facing the compression column 9, and an inserting column section part 141 is arranged at the other end of the third pin hole positioning pin 14 and is inserted into a third pin hole positioning pin inserting hole L of the second supporting plate 7 through the inserting column section part 141; the second mounting pin hole positioning pin is provided with a positioning column section part at one end facing the compression column 9, and the other end of the second mounting pin hole positioning pin is provided with an insertion column section part and is inserted in a second mounting pin hole positioning pin insertion hole K of the second support plate 7 through the insertion column section part; a positioning column section part 802 is arranged at one end, facing the compression column 9, of the first mounting pin hole positioning pin 8, and an insertion column section part 801 is arranged at the other end of the first mounting pin hole positioning pin 8 and is inserted into a first mounting pin hole positioning pin insertion hole H of the second support plate 7 through the insertion column section part 801; the axial lead of the vent hole positioning pin 13 (relative hole J), the axial lead of the first mounting pin hole positioning pin 8 (relative hole H), the axial lead of the second mounting pin hole positioning pin and the axial lead of the third mounting pin hole positioning pin 14 (relative hole L) of the present embodiment are all perpendicular to the axial lead of the spindle positioning hole 112 of the reference plate 11; the first support plate 3 and the second support plate 7 are both arranged perpendicular to the reference plane 111 of the reference plate 11.
The steps of using the machine shell inner hole machining clamp to machine the machine shell 6 are as follows:
A. sleeving a machine shell inner hole machining clamp on a main shaft of a turning center through a main shaft positioning hole 112 on a reference plate 11, and locking the machine shell inner hole machining clamp through three M6 bolts to ensure that the position degree of the reference plate 11 and the axial lead of the main shaft positioning hole 112 coincide with the axial lead of the main shaft of the turning center;
B. placing the shell blank to be processed between a second supporting plate 7 and a transition block 4 of the shell inner hole processing clamp with the opening facing outwards; after aligning the first mounting pin hole positioning pin 8, the second mounting pin hole positioning pin and the third mounting pin hole positioning pin 14 with the three compression posts 9, respectively inserting the positioning column section 802 of the first mounting pin hole positioning pin 8, the positioning column section of the second mounting pin hole positioning pin and the positioning column section 142 of the third mounting pin hole positioning pin 14 into the first mounting pin hole, the second mounting pin hole and the third mounting pin hole of the casing 6, and inserting the positioning column section 132 of the vent hole positioning pin 13 into the vent hole of the casing 6;
C. the screw 1 is driven by the screw 1 to move downwards to clamp the machine shell through a handle screw 1, and then the end surface and the inner hole of the air inlet end of the machine barrel body of the machine shell 6 and six threaded holes on the end surface of the air inlet end of the machine barrel body are processed in sequence;
D. and rotating the handle of the screw rod 1 to enable the screw rod 1 to drive the transition block 4 to move upwards to loosen the machined shell.
The first support plate and the second support plate on the reference plate of the machine shell inner hole machining clamp are symmetrically arranged by the axial lead of the main shaft positioning hole of the reference plate, the transition block is arranged between the second support plate and the first support plate, the transition block is provided with a plurality of compression columns, and the second support plate is provided with a plurality of positioning pins; during machining, the machine shell can be clamped by using the clamp without taking the end face of the air inlet end of the machine barrel body of the machine shell as an installation reference surface in the machining process, and the second supporting plate is provided with a plurality of positioning pins which can ensure that the axial lead of the machine shell is superposed with the axial lead of the main shaft of the turning center; the machine shell limits six degrees of freedom under the clamping of the transition plate, reduces the clamping times of workpieces, improves the consistency of the end surface of the air inlet end of the machine barrel body of the machine shell and the inner hole in the machining process, and can integrate the processes and reduce the carrying time of operators.
Claims (5)
1. The utility model provides a shell hole adds clamping apparatus which characterized in that: the device comprises a reference plate provided with a main shaft positioning hole, wherein the axis of the main shaft positioning hole of the reference plate is perpendicular to the reference surface of the reference plate, a first supporting plate and a second supporting plate are respectively arranged on the reference surface of the reference plate, the first supporting plate and the second supporting plate are both perpendicular to the reference surface of the reference plate, and the first supporting plate and the second supporting plate are symmetrically arranged with the axis of the main shaft positioning hole of the reference plate; a transition block is arranged between the second supporting plate and the first supporting plate; a plurality of return bolts penetrate through the first supporting plate, the tail ends of the return bolts penetrate through the first supporting plate and are abutted against the transition block, and return springs are sleeved on rod sections of the return bolts between bolt heads and the first supporting plate; a screw rod with a handle is arranged on the first supporting plate, and the tail end of the screw rod penetrates through the first supporting plate and is abutted to the transition block; a plurality of compression columns are arranged on the transition block; a plurality of positioning pins corresponding to the plurality of pressing columns are arranged on the second supporting plate respectively, and a positioning column section part is arranged at one end, facing the pressing columns, of each positioning pin; the axis of each positioning pin is perpendicular to the axis of the main shaft positioning hole of the reference plate.
2. The machine shell inner hole machining clamp of claim 1, characterized in that: each compression leg is abutted against the transition block through a threaded rod section arranged at one end.
3. The machine shell inner hole machining clamp of claim 1, characterized in that: the other end of each positioning pin is provided with an insertion column section part, each positioning pin is inserted into the second supporting plate through the insertion column section part, and the second supporting plate is provided with an insertion hole for inserting the insertion column section part of each positioning pin.
4. The machine shell inner hole machining clamp of claim 1, 2 or 3, characterized in that: a limiting rod is arranged between the first supporting plate and the second supporting plate, one end of the limiting rod is connected with the second supporting plate, and the other end of the limiting rod is connected with the first supporting plate.
5. The machine shell inner hole machining clamp of claim 4, wherein: and supporting plate positioning pins are arranged between the second supporting plate and the reference plate and between the first supporting plate and the reference plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120516862.5U CN214685439U (en) | 2021-03-11 | 2021-03-11 | Machine shell inner hole machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120516862.5U CN214685439U (en) | 2021-03-11 | 2021-03-11 | Machine shell inner hole machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214685439U true CN214685439U (en) | 2021-11-12 |
Family
ID=78570870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120516862.5U Active CN214685439U (en) | 2021-03-11 | 2021-03-11 | Machine shell inner hole machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214685439U (en) |
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2021
- 2021-03-11 CN CN202120516862.5U patent/CN214685439U/en active Active
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