CN210550425U - Internal grinding machine - Google Patents
Internal grinding machine Download PDFInfo
- Publication number
- CN210550425U CN210550425U CN201921200774.3U CN201921200774U CN210550425U CN 210550425 U CN210550425 U CN 210550425U CN 201921200774 U CN201921200774 U CN 201921200774U CN 210550425 U CN210550425 U CN 210550425U
- Authority
- CN
- China
- Prior art keywords
- semicircular ring
- driving mechanism
- ring
- semicircular
- screw 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of inner circle grinding, and discloses an inner circle grinding machine, which comprises a machine tool, a first driving mechanism, a second driving mechanism, a lifting driving mechanism, a clamp, an inner circle grinding tool, a rotary driving mechanism and a turntable; the rotary driving mechanism drives the turntable to rotate; the lifting driving mechanism drives the inner circle grinding tool to move towards the workpiece or move away from the workpiece; a first full circular ring formed by folding the first semi-circular ring and the second semi-circular ring, and a second full circular ring formed by folding the third semi-circular ring and the fourth semi-circular ring are coaxially arranged from top to bottom; elastic semicircular rings are arranged on the inner sides of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring, and the inner diameters of the elastic semicircular rings are 4-6mm smaller than the outer diameter of the workpiece. First whole ring and second whole ring centre gripping respectively fix at the upper and lower both ends of work piece, and dual fixed assurance work piece centre gripping is more stable, is convenient for subsequent interior round polishing operation.
Description
Technical Field
The utility model belongs to the technical field of interior round of polishing, concretely relates to internal grinding machine.
Background
When the inner circle of an automobile part is polished, the automobile part is clamped through a clamp, the clamp is generally made of metal, the automobile part is easy to damage in the clamping process, and therefore the inner 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 grinding machine.
The utility model discloses the technical scheme who adopts does:
an internal grinding machine comprises a machine tool, a first driving mechanism, a second driving mechanism, a lifting driving mechanism, a clamp, an internal grinding tool, a rotary driving mechanism and a turntable;
the rotary driving mechanism is arranged on the machine tool and is in transmission connection with the turntable, and the rotary driving mechanism drives the turntable to rotate;
the lifting driving mechanism is arranged above the turntable, the output end of the lifting driving mechanism is connected with the inner circle grinding tool, and the lifting driving mechanism drives the inner circle grinding tool to move towards a workpiece or move away from the workpiece;
the first driving mechanism and the second driving mechanism are arranged on the turntable;
the clamp comprises a first semicircular ring, a second semicircular ring, a third semicircular ring and a fourth semicircular ring, and the first driving mechanism 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 first whole circular ring or drives the first semicircular ring to move away from the second semicircular ring;
the second driving mechanism drives the third semicircular ring to move towards the fourth semicircular ring and enables the third semicircular ring and the fourth semicircular ring to be folded into a second complete circular ring or drives the third semicircular ring to move away from the fourth semicircular ring;
a first full circular ring formed by folding the first semicircular ring and the second semicircular ring and a second full circular ring formed by folding the third semicircular ring and the fourth semicircular ring are coaxially arranged from top to bottom;
elastic semicircular rings are arranged on the inner sides of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring, and the inner diameters of the elastic semicircular rings are 4-6mm smaller than the outer diameter of the workpiece.
Furthermore, the first driving mechanism comprises two first air cylinders, wherein a piston rod of one first air cylinder is connected with the first semicircular ring, and a piston rod of the other first air cylinder is connected with the second semicircular ring.
Furthermore, the second driving mechanism comprises two second cylinders, a piston rod of one of the second cylinders is connected with the third semicircular ring, a piston rod of the other second cylinder is connected with the fourth semicircular ring, and the piston rods of the second cylinders are perpendicular to the piston rod of the first cylinder and are not at the same longitudinal height.
Further, the first driving mechanism comprises a first motor and a first screw rod, and the first motor is in transmission connection with the first screw rod;
a first screw rod hole is formed in a first mounting piece on the first semicircular ring and matched with the first screw rod;
the second semi-circle ring is mounted on the first cylinder section of the first lead screw through a first rotating bearing.
Further, the second driving mechanism comprises a second motor and a second screw rod, and the second motor is in transmission connection with the second screw rod;
the second screw rod and the first screw rod are mutually vertical and are not at the same longitudinal height;
a second screw rod hole is formed in a second mounting piece on the third semicircular ring and matched with the second screw rod;
the fourth semicircular ring is mounted on the second cylinder section of the second screw rod through a second rotating bearing.
Furthermore, the lifting driving mechanism is a lifting cylinder, the lifting cylinder is installed on a rack of the machine tool, and a piston rod of the lifting cylinder is connected with the inner circle grinding tool.
Furthermore, a horizontal guide rail is arranged on the rack, and the lifting cylinder is arranged on the horizontal guide rail in a sliding manner along the horizontal direction.
The utility model has the advantages that:
in a word, the utility model discloses a when the internal grinding machine used, can make first semicircle ring orientation the second semicircle ring displacement makes first semicircle ring reaches the second semicircle ring folds into first whole ring, still can make the third semicircle ring orientation the fourth semicircle ring displacement makes the third semicircle ring reaches the fourth semicircle ring folds into second whole ring, and first whole ring and second whole ring centre gripping are fixed at the upper and lower both ends of work piece respectively, and dual fixed assurance work piece centre gripping is more stable, and the subsequent interior round of the operation of polishing of being convenient for, in addition, the setting of elasticity semicircle ring can make work piece interference setting in the elasticity whole ring that two elasticity semicircle rings fold, guarantees that the work piece is tight when pressing from both sides tightly, still can not harm the work piece.
Drawings
FIG. 1 is a schematic structural view of example 1.
FIG. 2 is a side view of embodiment 1.
FIG. 3 is a schematic structural view of embodiment 2.
FIG. 4 is a side view of embodiment 2.
Fig. 5 is a schematic structural diagram of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring of the present invention.
In the figure: 10-a machine tool; 11-a frame; 21-a first cylinder; 22-a second cylinder; 201-a first motor; 202-a second electric machine; 203-a first lead screw; 204-a second lead screw; 205-a first mount; 206-a second mount; 207-a first rotational bearing; 208-a second rotational bearing; 31-a first semi-circular ring; 32-a second semicircular ring; 33-a third semicircular ring; 34-a fourth semicircular ring; 35-an elastic semicircular ring; 41-a rotating electrical machine; 42-a turntable; 51-a lifting cylinder; 52-internal grinding tool; 60-workpiece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an internal grinding machine of the present embodiment includes a machine tool 10, a first driving mechanism, a second driving mechanism, a lifting driving mechanism, a jig, an internal grinding tool, a rotation driving mechanism, and a turntable.
The rotary driving mechanism is installed on the machine tool 10, the rotary driving mechanism drives the turntable to rotate, the rotary driving mechanism is a rotary motor 41, the rotary motor is in transmission connection with the turntable 42, if the rotary motor 41 is connected with the turntable 42 through a coupler, when the rotary motor 41 runs, the turntable 42 is driven to rotate.
The lifting driving mechanism is arranged above the turntable and drives the inner circle grinding tool to move towards or away from the workpiece; the lifting driving mechanism is specifically a lifting cylinder 51, as shown in fig. 1, the lifting cylinder is mounted on the frame 11 of the machine tool, and the output end of the lifting driving mechanism is connected with the inner grinding tool, that is, the piston rod of the lifting cylinder is connected with the inner grinding tool 52. When the piston rod of the lifting cylinder extends out, the inner grinding tool can be displaced towards the workpiece 60; when the piston rod of the lift cylinder retracts, the inner grinding tool can be displaced away from the workpiece 60.
Preferably, a horizontal guide rail is provided on the frame 11, and the elevation cylinder 51 is slidably provided on the horizontal guide rail in a horizontal direction, so that the horizontal position of the elevation cylinder can be adjusted to allow the internal grinding tool to be inscribed in the workpiece.
The first driving mechanism and the second driving mechanism are mounted on the turntable 42; the clamp comprises a first semicircular ring 31, a second semicircular ring 32, a third semicircular ring 33 and a fourth semicircular ring 34, and the first driving mechanism drives the first semicircular ring to displace towards the second semicircular ring and enables the first semicircular ring and the second semicircular ring to be folded into a first complete circular ring or drives the first semicircular ring to displace away from the second semicircular ring; the first driving mechanism comprises two first air cylinders 21, as shown in fig. 1, wherein a piston rod of one first air cylinder 21 is connected with the first semicircular ring 31, and a piston rod of the other first air cylinder 21 is connected with the second semicircular ring 32. During installation, the piston rods of the two first cylinders are oppositely arranged and are in an extending state, the first semicircular ring and the second semicircular ring are folded into a first full circular ring, the outer end of the first semicircular ring is connected with the piston rod of one of the first cylinders, and the outer end of the second semicircular ring is connected with the piston rod of the other first cylinder.
The second driving mechanism drives the third semicircular ring to move towards the fourth semicircular ring and enables the third semicircular ring and the fourth semicircular ring to be folded into a second whole circular ring to drive the third semicircular ring to move away from the fourth semicircular ring to be separated. The second driving mechanism includes two second cylinders 22, as shown in fig. 2, a piston rod of one of the second cylinders 22 is connected to the third semicircular ring 33, and a piston rod of the other second cylinder 22 is connected to the fourth semicircular ring 34, and similarly, the outer end of the third semicircular ring may be connected to the piston rod of one of the second cylinders according to the above installation process, and the outer end of the fourth semicircular ring may be connected to the piston rod of the other second cylinder.
Because the piston rod of the second cylinder is perpendicular to the piston rod of the first cylinder and is not at the same longitudinal height, the displacement directions of the first semicircular ring and the third semicircular ring are perpendicular to each other, and the displacement of the first semicircular ring and the displacement of the third semicircular ring cannot interfere with each other.
After the installation is finished, the piston rod of one of the second cylinders can be retracted (the piston rod of the second cylinder is connected with the third semicircular ring 33), the piston rod of the other second cylinder is connected with the fourth semicircular ring 34, the piston rod of one of the first cylinders is retracted (the piston rod of the first cylinder is connected with the first semicircular ring 31), and the piston rod of the other first cylinder is connected with the second semicircular ring 32, so that the fourth semicircular ring and the second semicircular ring can be kept still, the workpiece is held by hand to enable the outer side of the workpiece 60 to be attached to the inner sides of the fourth semicircular ring 34 and the second semicircular ring 32 at the same time, and then the piston rod of one of the first cylinders is extended, so that the first semicircular ring can be displaced towards the second semicircular ring, and the first whole circular ring formed by folding of the first semicircular ring and the second semicircular ring is clamped at the upper end of the workpiece 60; the hands can be loosened when the folding is carried out; the piston rod of one of the second cylinders is extended, so that the third semicircular ring is displaced toward the fourth semicircular ring, and the second circular ring formed by the third semicircular ring and the fourth semicircular ring is clamped at the lower end of the workpiece 60 (as shown in fig. 1 and 2).
The utility model discloses an internal grinding machine's working process as follows: clamping a workpiece 60 according to the clamping process, namely clamping a first whole circular ring formed by folding a first semicircular ring and a second semicircular ring at the upper end of the workpiece, clamping a second whole circular ring formed by folding a third semicircular ring and a fourth semicircular ring at the lower end of the workpiece, wherein the first whole circular ring formed by folding the first semicircular ring and the second whole circular ring formed by folding the third semicircular ring and the fourth semicircular ring are coaxially arranged from top to bottom; the horizontal sliding lifting cylinder 51 drives the inner grinding tool 52 to horizontally displace to an inner circular hole aligned with the workpiece 60 (the inner grinding tool is not required to be accurate, and only the inner grinding tool is ensured not to collide with the workpiece in the descending process); starting the lifting cylinder 51 to extend a piston rod of the lifting cylinder to drive the inner circle grinding tool 52 to move downwards and extend into an inner circle hole of a workpiece; then horizontally sliding the lifting cylinder to make the outer side of the internal grinding tool 52 tangent with the inner circle of the workpiece 60 (as shown in fig. 2); finally, the rotating motor 41 is started to drive the turntable 42 to rotate, so as to drive the first driving part, the second driving part and the fixture on the turntable to rotate, and drive the workpiece 60 clamped by the fixture to rotate, so that the inner circle grinding tool 52 can grind the inner circle of the rotating workpiece.
As shown in fig. 5, the inner sides of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring are all provided with elastic semicircular rings 35, 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 an 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.
Similarly, after the third semicircular ring and the fourth semicircular ring are folded, the elastic semicircular rings at the inner sides of the third semicircular ring and the fourth semicircular ring can be folded, and the inner diameter of each elastic semicircular ring is 4-6mm smaller than the outer diameter of the workpiece, so that the workpiece can be arranged in another elastic whole circular ring formed by folding the other two elastic semicircular rings in an interference manner, and the workpiece is guaranteed to be clamped tightly without being damaged.
Example 2:
on the basis of embodiment 1, the present embodiment is different in that: as shown in fig. 3, the first driving mechanism includes a first motor 201 and a first lead screw 203, the first motor 201 is connected to the first lead screw 203 in a transmission manner, and a first mounting part 205 on the first semicircular ring is provided with a first lead screw hole, and the first lead screw hole is matched with the first lead screw. During installation, the first installation part 205 is sleeved on the first screw rod 203 in a matching manner, and the second semicircular ring 32 is installed on the first column body section of the first screw rod through the first rotating bearing 207, so that the first motor can drive the first screw rod to rotate when running, and can drive the first installation part to axially displace along the first screw rod, so that the first semicircular ring is driven to horizontally displace and is folded into a first whole circular ring or away from the second semicircular ring displacement with the second semicircular ring, and the second semicircular ring 32 cannot displace due to the arrangement of the first rotating bearing.
On the basis of embodiment 1, the present embodiment is different in that: as shown in fig. 4, the second driving mechanism includes a second motor 202 and a second lead screw 204, the second motor 202 is connected to the second lead screw 204 in a transmission manner, and a second mounting member 206 on the third semicircular ring is provided with a second lead screw hole, and the second lead screw hole is matched with the second lead screw. During the installation, match the cover with second installed part 206 on the second lead screw to make fourth semicircle ring 34 install through second rolling bearing 208 on the second cylinder section of second lead screw, when the second motor operates like this, can drive the second lead screw and rotate, still can drive second installed part 206 along second lead screw axial displacement, thereby drive third semicircle ring horizontal displacement and fold with the fourth semicircle ring and become second whole ring or keep away from fourth semicircle ring displacement, and fourth semicircle ring 34 can not the displacement because of second rolling bearing's setting.
Because the second lead screw 203 and the first lead screw 204 are perpendicular to each other and not at the same longitudinal height, the displacement directions of the first semicircular ring and the third semicircular ring are perpendicular to each other, and the displacement of the first semicircular ring and the displacement of the third semicircular ring do not interfere with each other.
After the installation is finished, the fourth semicircular ring 34 and the second semicircular ring 32 are kept still, the workpiece is held by hand to enable the outer side of the workpiece to be attached to the inner sides of the fourth semicircular ring and the second semicircular ring at the same time, then the first motor 201 is started, the first screw rod 203 is driven to rotate, the first semicircular ring 31 is driven to displace towards the second semicircular ring 32, and the first full circular ring formed by folding the first semicircular ring and the second semicircular ring is clamped at the upper end of the workpiece 60; the hands can be loosened when the folding is carried out; when the second motor 202 is started again, the third semi-circular ring 33 is driven to move toward the fourth semi-circular ring 34, and the second circular ring formed by the third semi-circular ring and the fourth semi-circular ring is clamped at the lower end of the workpiece 60.
The utility model discloses an internal grinding machine's working process as follows: clamping a workpiece according to the clamping process, namely clamping a first whole circular ring formed by folding a first semicircular ring and a second semicircular ring at the upper end of the workpiece, clamping a second whole circular ring formed by folding a third semicircular ring and a fourth semicircular ring at the lower end of the workpiece, wherein the first whole circular ring formed by folding the first semicircular ring and the second whole circular ring formed by folding the third semicircular ring and the fourth semicircular ring are coaxially arranged from top to bottom; the horizontal sliding lifting cylinder 51 drives the inner circle grinding tool 52 to horizontally displace to an inner circle hole aligned with the workpiece (without precision, only the inner circle grinding tool is ensured not to collide with the workpiece in the descending process); starting the lifting cylinder 51 to extend a piston rod of the lifting cylinder, so as to drive the inner circle grinding tool 52 to displace downwards and extend into the inner circle hole of the workpiece 60; then horizontally sliding the lifting cylinder to enable the outer side of the inner circle grinding tool to be tangent with the inner circle of the workpiece; finally, the rotating motor 41 is started to drive the turntable 42 to rotate, so as to drive the first driving part, the second driving part and the clamp on the turntable to rotate, and drive the workpiece clamped by the clamp to rotate, so that the inner circle grinding tool can grind the inner circle of the rotating workpiece.
In a word, the utility model discloses a when the internal grinding machine used, can make first semicircle ring orientation the second semicircle ring displacement makes first semicircle ring reaches the second semicircle ring folds into first whole ring, still can make the third semicircle ring orientation the fourth semicircle ring displacement makes the third semicircle ring reaches the fourth semicircle ring folds into second whole ring, and first whole ring and second whole ring centre gripping are fixed at the upper and lower both ends of work piece respectively, and dual fixed assurance work piece centre gripping is more stable, the subsequent interior round operation of polishing of being convenient for.
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 (7)
1. An internal grinding machine, characterized in that: the automatic grinding machine comprises a machine tool, a first driving mechanism, a second driving mechanism, a lifting driving mechanism, a clamp, an inner circle grinding tool, a rotary driving mechanism and a turntable;
the rotary driving mechanism is arranged on the machine tool and is in transmission connection with the turntable, and the rotary driving mechanism drives the turntable to rotate;
the lifting driving mechanism is arranged above the turntable, the output end of the lifting driving mechanism is connected with the inner circle grinding tool, and the lifting driving mechanism drives the inner circle grinding tool to move towards a workpiece or move away from the workpiece;
the first driving mechanism and the second driving mechanism are arranged on the turntable;
the clamp comprises a first semicircular ring, a second semicircular ring, a third semicircular ring and a fourth semicircular ring, and the first driving mechanism 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 first whole circular ring or drives the first semicircular ring to move away from the second semicircular ring;
the second driving mechanism drives the third semicircular ring to move towards the fourth semicircular ring and enables the third semicircular ring and the fourth semicircular ring to be folded into a second complete circular ring or drives the third semicircular ring to move away from the fourth semicircular ring;
a first full circular ring formed by folding the first semicircular ring and the second semicircular ring and a second full circular ring formed by folding the third semicircular ring and the fourth semicircular ring are coaxially arranged from top to bottom;
elastic semicircular rings are arranged on the inner sides of the first semicircular ring, the second semicircular ring, the third semicircular ring and the fourth semicircular ring, and the inner diameters of the elastic semicircular rings are 4-6mm smaller than the outer diameter of the workpiece.
2. The internal grinding machine of claim 1, wherein: the first driving mechanism comprises two first air cylinders, wherein a piston rod of one first air cylinder is connected with the first semicircular ring, and a piston rod of the other first air cylinder is connected with the second semicircular ring.
3. The internal grinding machine of claim 2, wherein: the second driving mechanism comprises two second cylinders, a piston rod of one second cylinder is connected with the third semicircular ring, a piston rod of the other second cylinder is connected with the fourth semicircular ring, and the piston rods of the second cylinders are perpendicular to the piston rod of the first cylinder and are not at the same longitudinal height.
4. The internal grinding machine of claim 1, wherein: the first driving mechanism comprises a first motor and a first screw rod, and the first motor is in transmission connection with the first screw rod;
a first screw rod hole is formed in a first mounting piece on the first semicircular ring and matched with the first screw rod;
the second semi-circle ring is mounted on the first cylinder section of the first lead screw through a first rotating bearing.
5. The internal grinding machine of claim 4, wherein: the second driving mechanism comprises a second motor and a second screw rod, and the second motor is in transmission connection with the second screw rod;
the second screw rod and the first screw rod are mutually vertical and are not at the same longitudinal height;
a second screw rod hole is formed in a second mounting piece on the third semicircular ring and matched with the second screw rod;
the fourth semicircular ring is mounted on the second cylinder section of the second screw rod through a second rotating bearing.
6. The internal grinding machine according to any one of claims 1 to 5, wherein: the lifting driving mechanism is a lifting cylinder, the lifting cylinder is installed on the machine frame of the machine tool, and a piston rod of the lifting cylinder is connected with the inner circle grinding tool.
7. The internal grinding machine of claim 6, wherein: the frame is provided with a horizontal guide rail, and the lifting cylinder is arranged on the horizontal guide rail in a sliding manner along the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200774.3U CN210550425U (en) | 2019-07-26 | 2019-07-26 | Internal grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200774.3U CN210550425U (en) | 2019-07-26 | 2019-07-26 | Internal grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210550425U true CN210550425U (en) | 2020-05-19 |
Family
ID=70676479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200774.3U Expired - Fee Related CN210550425U (en) | 2019-07-26 | 2019-07-26 | Internal grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210550425U (en) |
-
2019
- 2019-07-26 CN CN201921200774.3U patent/CN210550425U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201283385Y (en) | Vertical type numerical control spin-forging machine | |
| CN218254380U (en) | Deep groove ball bearing outer ring channel grinding device | |
| CN116329989B (en) | Pump body clamping device for centrifugal pump machining | |
| CN115476176A (en) | Machining device and machining method for tangential key groove of motor shaft | |
| CN210550425U (en) | Internal grinding machine | |
| CN212946944U (en) | Deburring device for magnetic ring production | |
| CN111673617B (en) | Grinding machine floating claw chuck | |
| CN210209707U (en) | Cylindrical grinding machine | |
| CN201979298U (en) | Vertical type rotary worktable of novel NC (numerical control) machine tool | |
| CN208976862U (en) | A kind of combined type Three-jaw fixture | |
| CN201102152Y (en) | Tool changing device of horizontal machining center | |
| CN216730900U (en) | Shaft type precision part deburring device | |
| CN209811376U (en) | Gear positioning and clamping device for machine manufacturing | |
| CN210281754U (en) | Gear machining grinding mechanism | |
| CN203956910U (en) | Crystal pearl processing equipment hand | |
| CN206747615U (en) | A kind of clamp assembly for die casting drilling equipment | |
| CN210360614U (en) | Internal and external grinding machine | |
| CN112518367A (en) | Clamp protection device of automobile shaft part machine tool | |
| CN205166562U (en) | Bent axle lapping machine | |
| CN219131573U (en) | Double-end processing equipment of steering shaft | |
| CN218050342U (en) | Double-combination rotary arm tool reversing mechanism | |
| CN212285912U (en) | Internal support chuck device | |
| CN111761138B (en) | Gear scraping machine | |
| CN218801796U (en) | Frock clamp with two-way locate function | |
| CN212762208U (en) | Shaft precision machining device with rotary positioning fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |