CN210360614U - Internal and external grinding machine - Google Patents
Internal and external grinding machine Download PDFInfo
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- CN210360614U CN210360614U CN201921200658.1U CN201921200658U CN210360614U CN 210360614 U CN210360614 U CN 210360614U CN 201921200658 U CN201921200658 U CN 201921200658U CN 210360614 U CN210360614 U CN 210360614U
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- driving part
- semicircular ring
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- clamping piece
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Abstract
The utility model belongs to the technical field of inner and outer circle grinding, and discloses an inner and outer circle grinding machine, which comprises a machine tool, an inner circle clamp, an inner circle grinding tool, an outer circle clamp, an outer circle grinding tool, a first rotating motor, a first lifting driving part, a second rotating motor and a second lifting driving part; the first rotating motor is in transmission connection with the inner circle clamp, and the second rotating motor is in transmission connection with the outer circle clamp; the first lifting driving part drives the inner circle grinding tool to lift, and the second lifting driving part drives the outer circle grinding tool to lift; the inner circular clamp driving part drives the driving rod to move forward and penetrate through the elastic clamping part or move reversely towards the rotating mounting disc; the outer diameter of the front end of the driving rod is larger than the inner diameter of the elastic clamping piece. The elastic clamping piece can be an elastic expansion sleeve, and the workpiece cannot be damaged in the clamping process.
Description
Technical Field
The utility model belongs to the technical field of the interior excircle is polished, concretely relates to interior excircle grinding machine.
Background
When the excircle of automobile parts is polished, the automobile parts are clamped through the chuck normally, the chuck can directly contact the automobile parts, the automobile parts are easily damaged in the clamping process, and therefore the inner and outer circle grinding machine is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide an internal and external grinding machine.
The utility model discloses the technical scheme who adopts does:
an internal and external grinding machine comprises a machine tool, an internal grinding tool, an external grinding tool, a first rotating motor, a first lifting driving part, a second rotating motor and a second lifting driving part;
the first rotating motor and the second rotating motor are both arranged on the machine tool, and are arranged in a left-right manner;
the first rotating motor is in transmission connection with the inner circle clamp, and the second rotating motor is in transmission connection with the outer circle clamp;
the first lifting driving part and the second lifting driving part are both arranged on a rack above the machine tool, and the second lifting driving part and the first lifting driving part are arranged in a left-right mode;
the output end of the first lifting driving part is connected with the inner grinding tool, the first lifting driving part drives the inner grinding tool to lift, the output end of the second lifting driving part is connected with the outer grinding tool, and the second lifting driving part drives the outer grinding tool to lift;
the inner circle clamp comprises a rotating mounting disc, a first annular connecting disc, a second annular connecting disc, a clamping piece mounting disc, an elastic clamping piece, an inner circle clamp driving part and a driving rod, and the rotating mounting disc, the first annular connecting disc and the second annular connecting disc are sequentially connected;
the elastic clamping piece is of a hollow T-shaped structure, and a T-shaped end of the elastic clamping piece is mounted on the second annular connecting disc through the clamping piece mounting disc;
the inner circular clamp driving part is arranged on one side end face, close to the first annular connecting disc, of the rotating mounting disc, and drives the driving rod to move in the positive direction to penetrate through the elastic clamping piece or move in the reverse direction towards the rotating mounting disc;
one end of the driving rod, which is far away from the inner circle clamp driving part, sequentially penetrates through the first annular connecting disc and the second annular connecting disc and extends into the elastic clamping piece;
the outer diameter of the front end of the driving rod is larger than the inner diameter of the elastic clamping piece.
Further, the outer diameter of the front end of the driving rod is gradually increased.
Furthermore, the excircle clamp comprises a first semicircular ring, a second semicircular ring, a first folding driving part and a second folding driving part, wherein the first semicircular ring and the second semicircular ring are arranged in opposite directions;
the first folding driving part is connected with the first semicircular ring, and the second folding driving part is connected with the second semicircular ring;
the first folding driving part drives the first semicircular ring to move towards the second semicircular ring and enables the first semicircular ring and the second semicircular ring to be folded into a whole circular ring or drives the first semicircular ring to move away from the second semicircular ring;
the inner sides of the first semicircular ring and the second semicircular ring are respectively provided with an elastic semicircular ring, and the inner diameter of the elastic semicircular ring is 4-6mm smaller than the outer diameter of the workpiece.
Furthermore, a horizontal guide rail is arranged on the rack, and the first lifting driving part and the second lifting driving part are arranged on the horizontal guide rail in a sliding manner along the horizontal direction.
Further, the clamp mounting plate is detachably connected to the second annular connecting plate by two screws.
Further, the inner circle clamp driving part is an inner circle driving cylinder.
The utility model has the advantages that:
when the inner circular clamp is used, the driving rod can be driven to move towards the elastic clamping piece, so that the driving rod moves in the positive direction and extends out of the elastic clamping piece; in addition, when the internal and external grinding machine is used, the external grinding can be carried out on the first workpiece, and the internal grinding can be carried out on the second workpiece; after the completion, dismantle two work pieces and exchange the position of two work pieces, then just can carry out interior round to polish to first work piece, carry out the excircle to polish to second work piece simultaneously, parallel operation efficiency is higher like this.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the internal clamp of the present invention.
Fig. 3 is a schematic view of the process of clamping the workpiece by the internal clamp of the present invention.
Fig. 4 is a schematic structural view of the driving lever of the present invention.
Fig. 5 is a schematic structural view of the cylindrical clamp of the present invention.
Fig. 6 is a schematic view of the process of folding the first and second semicircular rings into a complete circular ring.
In the figure: 10-a machine tool; 11-a frame; 20-an excircle clamp; 21-a first semicircular ring; 22-a second semicircular ring; 23-a first folding cylinder; 24-a second folding cylinder; 25-an elastic semicircular ring; 26-a turntable; 30-inner circular clamp; 31-rotating the mounting plate; 32-a first annular land; 33-second ring-shaped land; 34-a clamp mounting plate; 35-a resilient clamp; 36-a drive rod; 361-front end of the drive rod; 37-inner circle driving cylinder; 371-piston rod of the inner circle driving cylinder; 38-bolt; 41-a first rotating electrical machine; 42-a second rotating electrical machine; 51-an internal grinding tool; 52-cylindrical grinding tool; 61-a first lifting cylinder; 62-a second lifting cylinder; 70-workpiece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1, an internal and external grinding machine of the present embodiment includes a machine tool 10, an internal grinding jig 30, an internal grinding tool 51, an external grinding jig 20, an external grinding tool 52, a first rotating motor 41, a first elevation driving part, a second rotating motor 42, and a second elevation driving part.
The first rotating electrical machine 41 and the second rotating electrical machine 42 are both mounted on the machine tool 10; first rotating electrical machines and second rotating electrical machines are arranged about, and first rotating electrical machines and second rotating electrical machines during operation are mutual noninterference.
The first rotating motor is in transmission connection with the inner circle clamp, and the second rotating motor is in transmission connection with the outer circle clamp; when the first rotating motor operates, the inner circle clamp can be driven to rotate. When the second rotating motor operates, the outer circle clamp can be driven to rotate.
The first lifting driving part and the second lifting driving part are both arranged on a machine frame 11 above the machine tool; the first lifting driving part and the second lifting driving part are also arranged left and right. The first lifting driving part and the second lifting driving part are not interfered with each other when working.
The output end of the first lifting driving part is connected with the inner grinding tool, the first lifting driving part drives the inner grinding tool to lift, the output end of the second lifting driving part is connected with the outer grinding tool, and the second lifting driving part drives the outer grinding tool to lift; the first lifting driving part is a first lifting cylinder 61, and a piston rod of the first lifting cylinder is connected with the inner circle grinding tool 51; the second lifting driving component is a second lifting cylinder 62, and a piston rod of the second lifting cylinder is connected with the cylindrical grinding tool 52. When the piston rod of the first lifting cylinder extends out, the inner circle grinding tool can be driven to descend and contact the inner circle of the workpiece, and when the piston rod of the first lifting cylinder retracts, the inner circle grinding tool can be driven to ascend and be far away from the workpiece. When the piston rod of the second lifting cylinder stretches out, the outer circle grinding tool can be driven to descend and contact the outer circle of the workpiece, and when the piston rod of the second lifting cylinder retracts, the outer circle grinding tool can be driven to ascend and be far away from the workpiece.
The inner circle clamp 30 comprises a rotary mounting disc 31, a first annular connecting disc 32, a second annular connecting disc 33, a clamping piece mounting disc 34, an elastic clamping piece 35, an inner circle clamp driving part and a driving rod 36, wherein the rotary mounting disc 31, the first annular connecting disc 32 and the second annular connecting disc 33 are sequentially connected; the rotating mounting plate 31, the first annular connecting plate 32 and the second annular connecting plate 33 can be connected together by means of bolts of suitable size.
The elastic clamping piece 35 is of a hollow T-shaped structure, and a T-shaped end of the elastic clamping piece is mounted on the second annular connecting disc 33 through a clamping piece mounting disc; as shown in fig. 2 and 3, the clamp mounting plate 34 is detachably connected to the second annular connecting plate 33 by two bolts 38, so that the elastic clamp can be mounted and fixed, and the elastic clamp can be conveniently detached and replaced.
The inner circular clamp driving part is arranged on one side end face, close to the first annular connecting disc, of the rotating mounting disc and drives the driving rod to move in the positive direction to penetrate through the elastic clamping piece or move in the reverse direction towards the rotating mounting disc; the inner circle clamp driving part is specifically an inner circle driving cylinder 37, and when a piston rod 371 of the inner circle driving cylinder extends out, the driving rod is driven to displace in the positive direction to extend out of the elastic clamping piece 35; when the piston rod of the inner circle driving cylinder retracts, the driving rod can be driven to move towards the reverse direction of the rotating installation disc.
One end of the driving rod 36, which is far away from the inner circular clamp driving part, sequentially penetrates through the first annular connecting disc 32 and the second annular connecting disc 33 and extends into the elastic clamping piece 35 (as shown in fig. 2), so that the driving rod can extend out of the elastic clamping piece 35 under the driving of the inner circular driving cylinder.
The working process of the internal and external grinding machine of the embodiment is as follows:
firstly, a first workpiece 70 is sleeved on the elastic clamping piece 35 of the inner circle clamp, the inner circle driving cylinder 37 is started, a piston rod of the inner circle driving cylinder extends out, the driving rod 36 is driven to move in the positive direction and extend out of the elastic clamping piece 35, and the elastic clamping piece can be compressed because the outer diameter of the front end of the driving rod is larger than the inner diameter of the elastic clamping piece, so that the first workpiece 70 can be stably clamped (as shown in fig. 3); then clamping and fixing the second workpiece 70 through an outer circle clamp, so that the outer circle clamp is clamped on the outer circle of the second workpiece; the piston rod of the first lifting cylinder extends out to drive the inner circle grinding tool to descend to contact the inner circle of the second workpiece; the piston rod of the second lifting cylinder extends out to drive the excircle grinding tool to descend to contact the excircle of the first workpiece; finally, the first rotating motor 41 and the second rotating motor 42 are started to drive the inner circle clamp 30 and the outer circle clamp 20 to rotate, so that the first workpiece and the second workpiece are driven to rotate, the outer circle of the first workpiece can be polished, and the inner circle of the second workpiece can be polished; after the completion, dismantle two work pieces and exchange the position of two work pieces, according to above-mentioned operation again, just can carry out interior round to polish to first work piece, carry out the excircle to polish to second work piece, parallel operation efficiency is higher like this.
Preferably, a horizontal guide rail is provided on the frame 11, and the first elevation driving part and the second elevation driving part are both slidably provided on the horizontal guide rail in a horizontal direction, so that the positions of the first elevation driving part and the second elevation driving part can be conveniently adjusted, and thus the positions of the inner grinding tool and the outer grinding tool can be adjusted.
Taking the regulation of the cylindrical grinding tool as an example for explanation: the second lifting cylinder 62 slides horizontally to drive the external grinding tool 52 to horizontally move to an outer annular area aligned with the workpiece 70 (the external grinding tool is not required to be accurate, and only the external grinding tool is required to be ensured not to collide with the workpiece in the descending process); starting the second lifting cylinder 62 to extend a piston rod of the second lifting cylinder to drive the cylindrical grinding tool 52 to move downwards to be positioned on the outer side of the workpiece; then, the second lifting cylinder 62 is horizontally slid to make the cylindrical grinding tool 52 circumscribe the workpiece 70 (as shown in fig. 1).
In this embodiment, it is preferable that the outer diameter of the front end 361 of the driving rod is increased (as shown in fig. 4), so that the workpiece can be better clamped when the workpiece is clamped by driving the elastic clamping member 35 to protrude.
Example 2:
on the basis of embodiment 1, the present embodiment is different in that: as shown in fig. 5, the outer circular fixture 20 includes a first semicircular ring 21, a second semicircular ring 22, a first folding driving member and a second folding driving member, and the first semicircular ring and the second semicircular ring are disposed opposite to each other.
The first folding driving part is connected with the first semicircular ring, and the second folding driving part is connected with the second semicircular ring; the first folding driving part is a first folding cylinder 23, a piston rod of the first folding cylinder is connected with the first semicircular ring 21, when the piston rod of the first folding cylinder extends out, the first semicircular ring is driven to move towards the second semicircular ring, and when the piston rod of the first folding cylinder retracts, the first semicircular ring is driven to move away from the second semicircular ring. The second folding driving part is a second folding cylinder 24, a piston rod of the second folding cylinder is connected with the second semicircular ring 22, when the piston rod of the second folding cylinder extends out, the second semicircular ring is driven to move towards the first semicircular ring, and when the piston rod of the second folding cylinder retracts, the second semicircular ring is driven to move away from the first semicircular ring.
Before installation, piston rods of the first folding cylinder and the second folding cylinder are extended out, and the first folding cylinder and the second folding cylinder are moved to enable the first semicircular ring and the second semicircular ring to be folded into a whole circular ring. Then, the first folding cylinder 23 and the second folding cylinder 24 are installed and fixed above the turntable 26 (as shown in fig. 5), and the turntable is connected with the second rotating motor in a transmission manner. The first folding driving part drives the first semicircular ring to move towards the second semicircular ring and enables the first semicircular ring and the second semicircular ring to be folded into a whole circular ring or drives the first semicircular ring to move away from the second semicircular ring;
the piston rod of the first folding cylinder can be retracted (the piston rod of the first folding cylinder is connected with the first semicircular ring 21), and the second semicircular ring 22 is kept still; the workpiece is held to enable the outer side of the workpiece 70 to be attached to the inner side of the second semicircular ring 22, then the piston rod of the first folding cylinder is extended, so that the first semicircular ring can be displaced towards the second semicircular ring, and the first semicircular ring and the second semicircular ring are folded into a whole circular ring (as shown in fig. 6), and the whole circular ring is clamped on the outer side of the workpiece 70; the hands can be loosened when the folding is carried out.
As shown in fig. 6, the inner sides of the first semicircular ring and the second semicircular ring are both provided with elastic semicircular rings 25, after the first semicircular ring and the second semicircular ring are folded, the elastic semicircular rings at the inner sides of the first semicircular ring and the second semicircular ring can be folded, and because the inner diameter of each elastic semicircular ring is 4-6mm smaller than the outer diameter of the workpiece, the workpiece can be arranged in the elastic whole circular ring formed by folding the two elastic semicircular rings in an interference manner, so that the workpiece is guaranteed to be clamped, and the workpiece cannot be damaged.
After the workpiece is clamped, the piston rod of the first lifting cylinder is extended, the inner circle grinding tool 51 is internally tangent to the workpiece, then the second rotating motor 41 is started, the outer circle fixture is driven to rotate, and therefore the clamped workpiece is driven to rotate to polish the inner circle of the workpiece.
In a word, when the internal and external grinding machine of the utility model is used, the external circle of the first workpiece can be ground, and the internal circle of the second workpiece can be ground simultaneously; after the completion, dismantle two work pieces and exchange the position of two work pieces, then just can carry out interior round to polish to first work piece, carry out the excircle to polish to second work piece simultaneously, parallel operation efficiency is higher like this.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (6)
1. An internal and external grinding machine, characterized in that: the device comprises a machine tool, an inner circle clamp, an inner circle grinding tool, an outer circle clamp, an outer circle grinding tool, a first rotating motor, a first lifting driving part, a second rotating motor and a second lifting driving part;
the first rotating motor and the second rotating motor are both arranged on the machine tool, and are arranged in a left-right manner;
the first rotating motor is in transmission connection with the inner circle clamp, and the second rotating motor is in transmission connection with the outer circle clamp;
the first lifting driving part and the second lifting driving part are both arranged on a rack above the machine tool, and the second lifting driving part and the first lifting driving part are arranged in a left-right mode;
the output end of the first lifting driving part is connected with the inner grinding tool, the first lifting driving part drives the inner grinding tool to lift, the output end of the second lifting driving part is connected with the outer grinding tool, and the second lifting driving part drives the outer grinding tool to lift;
the inner circle clamp comprises a rotating mounting disc, a first annular connecting disc, a second annular connecting disc, a clamping piece mounting disc, an elastic clamping piece, an inner circle clamp driving part and a driving rod, and the rotating mounting disc, the first annular connecting disc and the second annular connecting disc are sequentially connected;
the elastic clamping piece is of a hollow T-shaped structure, and a T-shaped end of the elastic clamping piece is mounted on the second annular connecting disc through the clamping piece mounting disc;
the inner circular clamp driving part is arranged on one side end face, close to the first annular connecting disc, of the rotating mounting disc, and drives the driving rod to move in the positive direction to penetrate through the elastic clamping piece or move in the reverse direction towards the rotating mounting disc;
one end of the driving rod, which is far away from the inner circle clamp driving part, sequentially penetrates through the first annular connecting disc and the second annular connecting disc and extends into the elastic clamping piece;
the outer diameter of the front end of the driving rod is larger than the inner diameter of the elastic clamping piece.
2. The internal and external grinding machine according to claim 1, wherein: the outer diameter of the front end of the driving rod is gradually increased.
3. The internal and external grinding machine according to claim 2, wherein: the excircle clamp comprises a first semicircular ring, a second semicircular ring, a first folding driving part and a second folding driving part, wherein the first semicircular ring and the second semicircular ring are arranged in opposite directions;
the first folding driving part is connected with the first semicircular ring, and the second folding driving part is connected with the second semicircular ring;
the first folding driving part drives the first semicircular ring to move towards the second semicircular ring and enables the first semicircular ring and the second semicircular ring to be folded into a whole circular ring or drives the first semicircular ring to move away from the second semicircular ring;
the inner sides of the first semicircular ring and the second semicircular ring are respectively provided with an elastic semicircular ring, and the inner diameter of the elastic semicircular ring is 4-6mm smaller than the outer diameter of the workpiece.
4. The internal and external grinding machine according to any one of claims 1 to 3, wherein: the rack is provided with a horizontal guide rail, and the first lifting driving part and the second lifting driving part are arranged on the horizontal guide rail in a sliding manner along the horizontal direction.
5. The internal and external grinding machine according to claim 4, wherein: the clamping piece mounting disc is detachably connected with the second annular connecting disc through two screws.
6. The internal and external grinding machine according to claim 5, wherein: the inner circle clamp driving part is an inner circle driving cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200658.1U CN210360614U (en) | 2019-07-26 | 2019-07-26 | Internal and external grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200658.1U CN210360614U (en) | 2019-07-26 | 2019-07-26 | Internal and external grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360614U true CN210360614U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200658.1U Active CN210360614U (en) | 2019-07-26 | 2019-07-26 | Internal and external grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210360614U (en) |
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2019
- 2019-07-26 CN CN201921200658.1U patent/CN210360614U/en active Active
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