CN214351023U - Milling machine fixture - Google Patents
Milling machine fixture Download PDFInfo
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- CN214351023U CN214351023U CN202120367252.3U CN202120367252U CN214351023U CN 214351023 U CN214351023 U CN 214351023U CN 202120367252 U CN202120367252 U CN 202120367252U CN 214351023 U CN214351023 U CN 214351023U
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- positioning
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- 238000003801 milling Methods 0.000 title claims abstract description 31
- 230000007704 transition Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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Abstract
The utility model discloses a milling machine fixture, including fixing base, location parallel key, rotation hand wheel, backup pad, locking bolt, axle bush, main movable block pivot, main movable block body, main movable block push rod, main movable block positioning element, connecting axle, vice movable block pivot, vice movable block body, vice movable block push rod, vice movable block positioning element, compress tightly the dish, compress tightly the support, compress tightly hand wheel, fixing bolt, long connecting rod, short connecting rod. The utility model adopts the above design for thin wall sleeve class part has improved positioning accuracy when the location, has reduced radial deformation at the clamping in-process, has improved the machining precision and can also select the quantity of connecting axle and vice movable block structure in a flexible way, applicable in different length dimension's thin wall sleeve class part.
Description
Technical Field
The utility model relates to the technical field of machining, specifically a milling machine fixture.
Background
The milling machine is a machine tool for milling a workpiece by using a milling cutter with a plurality of cutter teeth, and can be used for processing plane, curved surface, groove and rotary parts. When the milling machine is used for processing, a workpiece is installed and fixed on a fixture of the milling machine, the main motion of the milling machine is the rotation of the milling cutter, and the feed motion of the milling machine is the movement of the workpiece. The common clamps of the milling machine comprise flat tongs, a pressure plate, a dividing head and a three-jaw chuck, and when the clamps are used for clamping thin-wall sleeve parts, the radial deformation of the workpieces is easily caused, and the machining precision is influenced. Accordingly, a milling jig has been designed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the above-mentioned background art, the utility model provides a milling machine fixture.
The utility model provides a technical scheme that this technical problem adopted is: the utility model provides a milling machine fixture, includes the fixing base, the intermediate position of fixing base bottom is equipped with the flat key of location, the both ends position of fixing base bottom is equipped with the installation bolt hole that link up from top to bottom, the front of fixing base is equipped with the round hole that the horizontal direction link up, the round hole below of fixing base is equipped with a backup pad that is the level and places, the intermediate position of backup pad is equipped with the screw hole the threaded hole is equipped with locking bolt. The bearing bush is arranged in a round hole in the front of the fixing seat, a rotating hand wheel penetrates into an inner hole of the bearing bush, a positioning shaft is arranged on the left side of the rotating hand wheel, and a threaded hole which is communicated up and down is arranged right above the positioning shaft.
The left end location axle of rotating the hand wheel is connected with the locating hole that main movable block pivot right-hand member was equipped with, be equipped with the screw hole that link up from top to bottom directly over the right-hand member locating hole of main movable block pivot, main movable block pivot is installed and is in the round hole that the horizontal direction link up that main movable block was equipped with. The side of the main movable block body is provided with a through round hole, and a main movable block push rod is arranged in the round hole on the side of the main movable block body. One end of the main movable block push rod is in contact with the middle working part of the main movable block rotating shaft, the other end of the main movable block push rod is fixedly connected with the main movable block positioning element, a short connecting rod is arranged on the main movable block body, and the other end of the short connecting rod is arranged on the end face of the fixed seat.
The left end of the main movable block rotating shaft is provided with a positioning hole, a threaded hole which is communicated from top to bottom is formed right above the positioning hole at the left end of the main movable block rotating shaft, and a right end positioning shaft of the connecting shaft is connected with the positioning hole at the left end of the main movable block rotating shaft. The two ends of the connecting shaft are provided with protruding positioning shafts, and threaded holes which are communicated up and down are formed right above the positioning shafts at the two ends of the connecting shaft. The positioning shaft at the left end of the connecting shaft is connected with the positioning hole at the right end of the auxiliary movable block rotating shaft, and a threaded hole which is communicated up and down is arranged right above the positioning hole at the right end of the auxiliary movable block rotating shaft.
The auxiliary movable block rotating shaft is arranged in a round hole which is formed in the auxiliary movable block body and is communicated in the horizontal direction, a through round hole is formed in the side face of the auxiliary movable block body, and an auxiliary movable block push rod is arranged in the round hole in the side face of the auxiliary movable block body. One end of the auxiliary movable block push rod is contacted with the middle working part of the auxiliary movable block rotating shaft, and the other end of the auxiliary movable block push rod is fixedly connected with the auxiliary movable block positioning element. The auxiliary movable block is provided with a long connecting rod, and the other end of the long connecting rod is arranged on the end face of the main movable block.
The left side of vice movable block locating element is equipped with and compresses tightly the support, the intermediate position that compresses tightly the support bottom is equipped with the location parallel key, the both ends that compress tightly the support bottom are equipped with the mounting bolt hole that link up from top to bottom, the front that compresses tightly the support is equipped with the screw hole that is the horizontal direction and link up. And a pressing hand wheel is connected with the threaded hole in the front of the pressing support, and a pressing disc is arranged at the right end of the pressing hand wheel.
Preferably, the positioning flat key at the bottom of the fixing seat is a B-type common flat key, and the mounting bolt hole at the bottom of the fixing seat is a long round hole. The locking bolt is characterized in that a round hole formed in the front face of the fixing seat is in transition fit with the bearing bush, and the head of the locking bolt mounted on the fixing seat supporting plate is subjected to knurling treatment.
Preferably, the rotating hand wheel is in clearance fit with the bearing bush, and a handle is arranged at the right end of the rotating hand wheel.
Preferably, the main movable block is divided into a left part and a right part, and is fastened by a fixing bolt. The main movable block rotating shaft and the main movable block are provided with a circular hole which is communicated in the horizontal direction and is in clearance fit, a main movable block push rod is in clearance fit with the main movable block side face, the circular hole is communicated with the main movable block side face, the main movable block push rod is arranged in two numbers and is symmetrically arranged in the horizontal direction, the middle working part of the main movable block rotating shaft is in an oval shape, one end of the main movable block push rod is spherical and is in contact with the oval working part of the main movable block rotating shaft, and the contact mode of the main movable block push rod is point contact. The other end of the main movable block push rod is fixedly connected with the main movable block positioning element in a welding mode. The number of the main movable block positioning elements is two, the main movable block positioning elements are symmetrically arranged in the horizontal direction, the shape of the main movable block positioning elements is semicircular, and a convex positioning semicircular plate is arranged at the right end of the main movable block positioning elements.
Preferably, the auxiliary movable block is divided into a left part and a right part, and is fastened by a fixing bolt. The vice movable block pivot with the cooperation that the round hole that is the horizontal direction and link up that vice movable block body was equipped with adopts is clearance fit, vice movable block push rod with the cooperation that link up the round hole that vice movable block body side was equipped with and adopts is clearance fit, the quantity of vice movable block push rod is two and is symmetrical arrangement in the horizontal direction, the middle work part shape of vice movable block pivot is oval, the one end of vice movable block push rod be spherical and with the oval work position of vice movable block pivot contacts, and its contact mode is the point contact. The other end of the auxiliary movable block push rod is fixedly connected with the auxiliary movable block positioning element in a welding mode. The number of the auxiliary moving block positioning elements is two, the auxiliary moving block positioning elements are symmetrically arranged in the horizontal direction, and the shape of each auxiliary moving block positioning element is semicircular. The auxiliary moving block positioning element and the main moving block positioning element are parallel to each other.
Preferably, the number of the short connecting rods is two, and the number of the long connecting rods is two.
Preferably, the positioning flat key at the bottom of the pressing support is a B-type common flat key, the mounting bolt holes at two ends of the bottom of the pressing support are oblong holes, and the right end of the pressing hand wheel is fastened with the pressing disc by bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses when location thin wall sleeve class part, adopt main movable block positioning element and vice movable block positioning element's outer arc surface to fix a position, positioning accuracy is high.
(2) The utility model discloses when pressing from both sides tight thin wall sleeve class part, compress tightly the hand wheel through the operation and make to compress tightly a set horizontal migration to compress tightly this part at the horizontal direction, reduced the radial deformation of this part, improved the machining precision.
(3) The utility model discloses in the use, can select the quantity of connecting axle and vice movable block structure in a flexible way, applicable in different length dimension's thin wall sleeve class part.
Drawings
Fig. 1 is a 3D perspective view of the present invention;
FIG. 2 is a schematic view of the present invention showing the structure thereof;
FIG. 3 is a schematic view of the main movable block of the present invention;
FIG. 4 is a schematic view of the overall structure of the auxiliary movable block of the present invention;
in the figure: 1. the device comprises a fixed seat, 2, a positioning flat key, 3, a rotating hand wheel, 4, a supporting plate, 5, a locking bolt, 6, a bearing bush, 7, a main movable block rotating shaft, 8, a main movable block body, 9, a main movable block push rod, 10, a main movable block positioning element, 11, a connecting shaft, 12, an auxiliary movable block rotating shaft, 13, an auxiliary movable block body, 14, an auxiliary movable block push rod, 15, an auxiliary movable block positioning element, 16, a pressing disc, 17, a pressing support, 18, a pressing hand wheel, 19, a fixing bolt, 20, a long connecting rod, 21 and a short connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a milling machine fixture, includes fixing base 1, and the intermediate position of 1 bottoms of fixing base is equipped with a location flat key 2, and the both ends position of 1 bottoms of fixing base is equipped with the slotted hole that link up from top to bottom that is used for the construction bolt, and fixing base 1 passes through location flat key 2 and fixes a position in the T type groove of milling machine workstation, penetrates T type bolt and fastening in the slotted hole to be connected fixing base 1 with the milling machine workstation. The front of fixing base 1 is equipped with the round hole that the horizontal direction link up, and the round hole below of fixing base 1 is equipped with a backup pad 4 that is the level and places, and the intermediate position of backup pad 4 is equipped with the screw hole, penetrates locking bolt 5 in the screw hole, and locking bolt 5's head adopts the annular knurl to handle to adopt from the below of backup pad 4 by the lower supreme orientation locking bolt 5 of screwing. The round hole internally mounted of fixing base 1 has axle bush 6, and axle bush 6 adopts transition fit's mode with the round hole of fixing base 1. The rotating hand wheel 3 penetrates into the inner hole of the bearing bush 6 from right to left, and the rotating hand wheel 3 is in clearance fit with the inner hole of the bearing bush 6. A convex positioning shaft is arranged on the left side of the rotating hand wheel 3, and a threaded hole which is communicated up and down is arranged right above the positioning shaft. The left side positioning shaft of the rotating hand wheel 3 is connected with the positioning hole arranged on the right side of the main movable block rotating shaft 7, and the matching mode is transition matching. A threaded hole which is communicated up and down is arranged right above the positioning hole at the right side of the main movable block rotating shaft 7, and the rotating hand wheel 3 and the main movable block rotating shaft 7 are fastened by adopting a fixing bolt 19.
The middle working part of the main movable block rotating shaft 7 is oval, and the main movable block body 8 adopts a split structure. Firstly, the main movable block rotating shaft 7 is installed in a circular hole penetrating in the horizontal direction of the main movable block body 8, and the matching mode adopts clearance fit. Subsequently, the main movable block 8 is fastened by the fixing bolt 19, and both ends of the short connecting rod 21 are connected to the fixing base 1 and the main movable block 8, respectively. The side surface of the main movable block body 8 is provided with a through round hole which is vertical to the axis of the main movable rotating shaft 7. Two main movable block push rods 9 are respectively arranged in the side round holes of the main movable block body 8, and the matching modes of the two main movable block push rods and the main movable block body are in clearance fit. One end of each of the two main movable block push rods 9 is spherical and is respectively contacted with the elliptic part of the main movable block rotating shaft 7 in a point contact mode. The other ends of the two main movable block push rods 9 are respectively connected with a main movable block positioning element 10 in a welding mode. The left end of the main movable block rotating shaft 7 is provided with a positioning hole, and a threaded hole which is through up and down is arranged right above the positioning hole. The right end positioning shaft of the connecting shaft 11 is connected with the positioning hole at the left end of the main movable block rotating shaft 7, the two ends of the connecting shaft 11 are provided with convex positioning shafts, and threaded holes which are communicated up and down are arranged right above the positioning shafts at the two ends of the connecting shaft 11. The right end positioning shaft of the connecting shaft 11 is connected with the left end positioning hole of the main movable block rotating shaft 7, and the matching mode adopts transition matching. The positioning shaft at the left end of the connecting shaft 11 is connected with the positioning hole at the right end of the auxiliary movable block rotating shaft 12, and the matching mode adopts transition matching. A threaded hole which is through from top to bottom is arranged right above the positioning hole at the right end of the auxiliary movable block rotating shaft 12, and the connecting shaft 11 and the auxiliary movable block rotating shaft 12 are fastened by adopting a fixing bolt 19.
The middle working part of the auxiliary movable block rotating shaft 12 is elliptical, and the auxiliary movable block body 13 is of a split structure. First, the sub-movable block rotating shaft 12 is fitted into a horizontally through circular hole of the sub-movable block body 13 in a clearance fit manner. Subsequently, the sub movable block 13 is fastened using the fixing bolt 19, and both ends of the long connecting rod 21 are connected to the sub movable block 13 and the main movable block 8, respectively.
The auxiliary movable block rotating shaft 12 is installed in a circular hole penetrating in the horizontal direction of the auxiliary movable block body 13, and the matching mode adopts clearance fit. The side of the auxiliary movable block body 13 is provided with a through round hole which is vertical to the axis of the auxiliary movable block rotating shaft 12. Two auxiliary movable block push rods 14 are respectively arranged in the side round holes of the auxiliary movable block body 13, and the matching modes of the two auxiliary movable block push rods and the auxiliary movable block body are in clearance fit. One end of each of the two auxiliary moving block push rods 14 is spherical, one end of each of the two auxiliary moving block push rods 14 is in contact with the elliptical portion of the auxiliary moving block rotating shaft 12, and the other end of each of the two auxiliary moving block push rods 14 is connected with an auxiliary moving block positioning element 15 in a welding mode.
A pressing support 17 is installed on the left side of the auxiliary movable block positioning element 15, a positioning flat key 2 is arranged in the middle of the bottom of the pressing support 17, and long round holes which are used for installing bolts and run through up and down are formed in the positions of two ends of the bottom of the pressing support 17. The pressing support 17 is positioned in a T-shaped groove of the milling machine workbench through the positioning flat key 2, and the pressing support 17 is fastened with the milling machine workbench through a T-shaped bolt. The front surface of the pressing support 17 is provided with a threaded hole, and a pressing hand wheel 18 is connected with the threaded hole. The right end of the pressing hand wheel 18 is provided with a pressing disc 16, the pressing disc 16 is fastened at the right end of the pressing hand wheel 18 through a fixing bolt 19, and the pressing disc 16, the auxiliary moving block rotating shaft 12, the connecting shaft 11, the main moving block rotating shaft 7 and the rotating hand wheel 3 meet the coaxiality requirement in the space position, so that the installation position is ensured to be on the same axis.
The working principle is as follows:
when the milling machine fixture works, the fixing seat 1 is firstly fastened on a milling machine workbench, then the structures of all parts are sequentially installed, and then the thin-wall sleeve parts are installed. When the part is installed, the part is placed on the arc surfaces of the main movable block positioning element 10 and the auxiliary movable block positioning element 15, and then the positioning surface of the part is contacted with the positioning semicircular plate of the main movable block positioning element 10, so that the axial positioning of the part is realized. Afterwards, the handle of the rotating hand wheel 3 is operated, thereby the main movable block rotating shaft 7, the connecting shaft 11 and the auxiliary movable block rotating shaft 12 are driven to rotate simultaneously by rotating the handle, the main movable block 8 is fixed on the fixing seat 1 through the short connecting rod 21, and the auxiliary movable block 13 is fixed on the main movable block 8 through the long connecting rod 20, so that the fixed supporting function of the main movable block 8 and the auxiliary movable block 13 is realized. When the main motion block rotation shaft 7 and the sub motion block rotation shaft 12 rotate, their elliptical working portions rotate, thereby driving the main motion block push rod 9 and the sub motion block push rod 14, which are in contact with them, to linearly move. In the case of their linear movement, the movable block positioning element 10 and the secondary movable block positioning element 15 are thus brought to move simultaneously. Finally, the outer arc surfaces of the movable block positioning element 10 and the auxiliary movable block positioning element 15 are respectively contacted with the inner hole of the thin-wall sleeve part, namely, the positioning by adopting an internal expansion positioning mode is realized. Then, the pressing support 17 is fixed on a milling machine action table, and the pressing hand wheel 18 is rotated to drive the pressing disc 16 to move linearly, so that axial pressing is realized. When the axial dimension of the thin-wall sleeve type part is changed, the machining requirement can be met by increasing or decreasing the number of the connecting shafts 11 and the auxiliary movable block structures.
Claims (7)
1. A milling machine jig characterized in that: the fixing device comprises a fixing seat (1), wherein a positioning flat key (2) is arranged in the middle of the bottom of the fixing seat (1), mounting bolt holes which are communicated up and down are arranged at two end positions of the bottom of the fixing seat (1), a round hole which is communicated in the horizontal direction is arranged in the front of the fixing seat (1), a horizontally-placed supporting plate (4) is arranged below the round hole of the fixing seat (1), a threaded hole is arranged in the middle of the supporting plate (4), and a locking bolt (5) is arranged in the threaded hole; a bearing bush (6) is arranged in a circular hole in the front face of the fixed seat (1), a rotating hand wheel (3) penetrates into an inner hole of the bearing bush (6), a positioning shaft is arranged on the left side of the rotating hand wheel (3), and a threaded hole which is through up and down is arranged right above the positioning shaft;
a left end positioning shaft of the rotating hand wheel (3) is connected with a positioning hole arranged at the right end of a main movable block rotating shaft (7), a threaded hole which is through up and down is arranged right above the positioning hole at the right end of the main movable block rotating shaft (7), and the main movable block rotating shaft (7) is arranged in a round hole which is through in the horizontal direction and is arranged in a main movable block body (8); a through round hole is formed in the side face of the main movable block body (8), and a main movable block push rod (9) is arranged in the round hole in the side face of the main movable block body (8); one end of the main movable block push rod (9) is contacted with the middle working part of the main movable block rotating shaft (7), and the other end of the main movable block push rod is fixedly connected with the main movable block positioning element (10);
a positioning hole is formed in the left end of the main movable block rotating shaft (7), a threaded hole which is through up and down is formed right above the positioning hole, and a right end positioning shaft of the connecting shaft (11) is connected with the positioning hole in the left end of the main movable block rotating shaft (7); two ends of the connecting shaft (11) are provided with protruding positioning shafts, and threaded holes which are communicated up and down are formed right above the positioning shafts at the two ends of the connecting shaft (11); a positioning shaft at the left end of the connecting shaft (11) is connected with a positioning hole at the right end of the auxiliary movable block rotating shaft (12), and a threaded hole which is through up and down is arranged right above the positioning hole at the right end of the auxiliary movable block rotating shaft (12);
the auxiliary movable block rotating shaft (12) is arranged in a horizontally through round hole formed in an auxiliary movable block body (13), a through round hole is formed in the side surface of the auxiliary movable block body (13), and an auxiliary movable block push rod (14) is arranged in the round hole in the side surface of the auxiliary movable block body (13); one end of the auxiliary moving block push rod (14) is contacted with the middle working part of the auxiliary moving block rotating shaft, and the other end of the auxiliary moving block push rod is fixedly connected with an auxiliary moving block positioning element (15);
a pressing support (17) is arranged on the left side of the auxiliary movable block positioning element (15), a positioning flat key (2) is arranged in the middle of the bottom of the pressing support (17), mounting bolt holes which are vertically communicated are formed in two ends of the bottom of the pressing support (17), and threaded holes which are horizontally communicated are formed in the front of the pressing support (17); and a pressing hand wheel (18) is connected with a threaded hole in the front of the pressing support (17), and a pressing disc (16) is arranged at the right end of the pressing hand wheel (18).
2. The milling machine fixture of claim 1, wherein: the positioning flat key (2) at the bottom of the fixed seat (1) is a B-type common flat key, and the mounting bolt hole at the bottom of the fixed seat (1) is a long round hole; the front face of the fixing seat (1) is provided with a round hole which is in transition fit with a bearing bush (6), and the head of a locking bolt arranged on the fixing seat supporting plate (4) is subjected to knurling treatment.
3. The milling machine fixture of claim 1, wherein: the rotating hand wheel (3) and the bearing bush (6) are in clearance fit, and a handle is arranged at the right end of the rotating hand wheel (3).
4. The milling machine fixture of claim 1, wherein: the main movable block rotating shaft (7) and the main movable block body (8) are provided with circular holes which are communicated in the horizontal direction in a clearance fit mode, the main movable block push rods (9) are two and are symmetrically arranged in the horizontal direction, the middle working part of the main movable block rotating shaft (7) is oval in shape, one end of each main movable block push rod (9) is spherical and is in contact with the oval working part of the main movable block rotating shaft (7), and the contact mode is point contact; the other end of the main movable block push rod (9) is fixedly connected with the main movable block positioning element (10) in a welding mode.
5. The milling machine fixture of claim 4, wherein: the number of the main movable block positioning elements (10) is two, the main movable block positioning elements are symmetrically arranged in the horizontal direction, the shape of the main movable block positioning elements (10) is semicircular, and a convex positioning semicircular plate is arranged at the right end of the main movable block positioning elements (10).
6. The milling machine fixture of claim 1, wherein: the auxiliary movable block rotating shaft (12) and the auxiliary movable block body (13) are provided with circular holes which are communicated in the horizontal direction in a clearance fit mode, the auxiliary movable block push rods (14) and the circular holes which are arranged on the side faces of the auxiliary movable block body (13) in a clearance fit mode, the auxiliary movable block push rods (14) are two and are symmetrically arranged in the horizontal direction, the middle working part of the auxiliary movable block rotating shaft (12) is oval in shape, one end of each auxiliary movable block push rod (14) is spherical and is in contact with the oval working part of the auxiliary movable block rotating shaft (12), and the contact mode is point contact; the other end of the auxiliary movable block push rod (14) is fixedly connected with the auxiliary movable block positioning element (15) in a welding mode; the number of the auxiliary moving block positioning elements (15) is two, the auxiliary moving block positioning elements are symmetrically arranged in the horizontal direction, and the shape of each auxiliary moving block positioning element (15) is semicircular; the auxiliary moving block positioning element (15) and the main moving block positioning element (10) are parallel to each other.
7. The milling machine fixture of claim 1, wherein: the positioning flat key (2) at the bottom of the pressing support (17) is a B-type common flat key, the mounting bolt holes at two ends of the bottom of the pressing support (17) are long round holes, and the right end of the pressing hand wheel (18) is fastened with the pressing disc (16) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367252.3U CN214351023U (en) | 2021-02-09 | 2021-02-09 | Milling machine fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367252.3U CN214351023U (en) | 2021-02-09 | 2021-02-09 | Milling machine fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214351023U true CN214351023U (en) | 2021-10-08 |
Family
ID=77964803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120367252.3U Expired - Fee Related CN214351023U (en) | 2021-02-09 | 2021-02-09 | Milling machine fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214351023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809432A (en) * | 2021-02-09 | 2021-05-18 | 河北建筑工程学院 | Milling machine fixture |
-
2021
- 2021-02-09 CN CN202120367252.3U patent/CN214351023U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809432A (en) * | 2021-02-09 | 2021-05-18 | 河北建筑工程学院 | Milling machine fixture |
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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: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |