CN211489040U - Integrated machine-shaping equipment of slide rail - Google Patents
Integrated machine-shaping equipment of slide rail Download PDFInfo
- Publication number
- CN211489040U CN211489040U CN202020081210.9U CN202020081210U CN211489040U CN 211489040 U CN211489040 U CN 211489040U CN 202020081210 U CN202020081210 U CN 202020081210U CN 211489040 U CN211489040 U CN 211489040U
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- feeding
- forming
- slide rail
- roller
- raw material
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Abstract
The utility model relates to an integrated processing and forming device of a slide rail, which comprises a slide rail raw material feeding mechanism and a slide rail forming mechanism arranged on one side of the slide rail raw material feeding mechanism, wherein the slide rail raw material feeding mechanism comprises a feeding platform and a plurality of feeding units arranged on the feeding platform at intervals, the feeding unit comprises two feeding limit turntables arranged on the feeding platform, the slide rail forming mechanism comprises a forming platform, a plurality of rolling forming groups arranged on the forming platform in sequence, each rolling forming group comprises a first rolling forming group, a second rolling forming group and a third rolling forming group, the first rolling forming group comprises a plurality of first rolling forming units at intervals, the second rolling forming group comprises a plurality of second rolling forming units at intervals, the third rolling forming group comprises a plurality of third rolling forming units at intervals, the rolling forming groups with different structures are adopted to gradually extrude and process the plates, so that the forming effect and quality of the slide rail are ensured.
Description
Technical Field
The utility model belongs to the technical field of slide rail machine-shaping and specifically relates to an integration machine-shaping equipment of slide rail.
Background
The slide rail belongs to a common mechanical accessory and mainly plays a role in sliding guide, the slide rail is in a strip shape and is mainly formed by extrusion molding of strip-shaped metal plates, the existing slide rail is mainly processed by a rolling forming machine, the slide rail with a chute is formed by gradually extruding the surfaces of the plates through an upper roller and a lower roller during processing, the coiled plates are fed towards the upper roller and the lower roller during processing of the existing rolling forming machine, the problem of plate bulging easily exists at a feeding port of the upper roller and the lower roller during actual processing, the problem of curling stress exists mainly after the plates are unreeled, in addition, the feeding of the plates is mainly pulled through the upper roller and the lower roller, and the problems of dislocation and improper extrusion molding of the plates to be processed between the upper roller and the lower roller are easily caused by;
and during actual processing, some slide rails have requirements on the angle of the inner sliding groove, the upper and lower roller sets of a structure can not meet the requirements on the forming of the slide rails, the traditional processing mode is that the angle of the sliding groove is generally corrected through manual work aiming at the slide rails with the angle requirements on the inner sliding groove, the actual processing effect is not good, in addition, the distance between the upper roller and the lower roller of the traditional rolling forming machine is inconvenient to adjust, or the high-precision gap adjustment can not be achieved, and the plate extrusion processing with different thicknesses can not be well adapted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integration machine-shaping equipment of slide rail in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an integrated processing and forming device for a slide rail comprises a slide rail raw material feeding mechanism and a slide rail forming mechanism arranged on one side of the slide rail raw material feeding mechanism, wherein the slide rail raw material feeding mechanism comprises a feeding table, a plurality of feeding units which are arranged on the feeding table and are mutually spaced, one side of the feeding table is provided with a slide rail raw material traction mechanism, each feeding unit comprises two feeding limit turntables arranged on the feeding table, a rotating shaft which is arranged at the bottom of each feeding limit turntable and is connected with the center of each feeding limit turntable, a supporting base connected with the end part of the rotating shaft, a screw rod fixedly connected with the bottom of the supporting base, a through waist-shaped groove is arranged on the feeding table, the screw rod penetrates to the bottom of the feeding table from the waist-shaped groove, the supporting base is arranged on the surface of the feeding table, a fastening nut is sleeved on the screw rod, a sliding rail raw material feeding channel is formed between two feeding limit turntables of the feeding unit, annular clamping grooves are formed in the peripheral surfaces of the feeding limit turntables, and the side surfaces of the sliding rail raw materials are in contact with the annular clamping grooves in the feeding limit turntables;
the slide rail forming mechanism comprises a forming table, a plurality of sequentially arranged rolling forming groups arranged on the forming table, wherein each rolling forming group comprises a first rolling forming group, a second rolling forming group and a third rolling forming group;
mounting frames are arranged on two sides of the top of the forming table, a lower supporting block and an upper supporting block are arranged on the mounting frames, guide plates are arranged on two sides of the upper supporting block, guide grooves are formed in the inner sides of the mounting frames, the guide plates are located in the guide grooves, screw rods are mounted on the top of the mounting frames, threaded holes are formed in the top of the upper supporting block and the top of the mounting frame, and the screw rods penetrate through the threaded holes in the top of the mounting frames and are in threaded connection with the threaded holes in the top of the upper;
the first roll forming unit comprises a first upper roll arranged between two upper supporting blocks and a first lower roll arranged between two lower supporting blocks;
the second rolling forming unit comprises a second upper roller arranged between the two upper supporting blocks and a second lower roller arranged between the two lower supporting blocks;
the third roll forming unit comprises a third upper roll arranged between the two upper supporting blocks and a third lower roll arranged between the two lower supporting blocks.
Further, slide rail raw and other materials drive mechanism is including setting up the platform that pulls in pay-off platform one side, fixes the support frame on pulling the platform, installs last carry over pinch rolls and the carry over pinch rolls down on the support frame, goes up the end connection driving motor of carry over pinch rolls, and slide rail raw and other materials are located carry over pinch rolls and are pulled down between the carry over pinch rolls.
Furthermore, the first lower roller is cylindrical, and the surface of the first upper roller is provided with two first extrusion conical surfaces which are symmetrical with each other.
Furthermore, the second lower roller is cylindrical, the surface of the second upper roller is provided with two second extrusion conical surfaces which are symmetrical with each other, and the inclination angle of the second extrusion conical surfaces is larger than that of the first extrusion conical surfaces.
Furthermore, the third lower roller is cylindrical, and the surface of the third upper roller is provided with two annular extrusion flanges which are symmetrical to each other.
Furthermore, the end parts of the first upper roller, the first lower roller, the second upper roller, the second lower roller, the third upper roller and the third lower roller are provided with rotating shafts, the rotating shafts are rotatably connected with the upper supporting block and the lower supporting block, and the end part of the rotating shaft on the upper supporting block is connected with a driving system.
Further, the distance between the two feeding limit turntables of the feeding unit is controlled by the moving amplitude of the screw rod in the kidney-shaped groove.
The utility model has the advantages that: the device is characterized in that a plurality of feeding units which are spaced from each other are arranged on a feeding table, a sliding rail raw material feeding channel is formed between two feeding limit turntables of the feeding units, annular clamping grooves are formed in the peripheral surfaces of the feeding limit turntables, during feeding, the side surfaces of the sliding rail raw materials are in contact with the annular clamping grooves in the feeding limit turntables, the sliding rail raw materials are axially and longitudinally limited through the feeding limit turntables on the two sides, the end parts of the sliding rail raw materials are positioned between an upper traction roller and a lower traction roller and are pulled, in the process of pulling the sliding rail raw materials, the feeding limit turntables on the two sides of the sliding rail raw materials rotate along with the rotation, the pulled sliding rail raw materials are conveyed into a rolling forming machine to be processed, the feeding limit turntables on the two sides of;
in addition, a screw rod is fixedly connected to the bottom of the supporting base, a through waist-shaped groove is formed in the feeding table, the screw rod penetrates from the waist-shaped groove to the bottom of the feeding table, the supporting base is arranged on the surface of the feeding table, a fastening nut is sleeved on the screw rod, the top surface of the fastening nut is abutted to the bottom surface of the feeding table, the end portion of the rotating shaft is rotatably connected with the supporting base, the supporting base is locked on the surface of the feeding table through the fastening nut, if the width of the sliding rail raw material changes, the fastening nut can be unscrewed, the screw rod can move in the waist-shaped groove, and therefore the distance between two feeding limit turntables on the feeding table is controlled, the sliding rail raw material feeding device is suitable for the width of the sliding rail raw material, the feeding flexibility;
the slide rail forming mechanism is characterized in that a plurality of roll forming groups which are sequentially arranged are arranged on a forming table of the slide rail forming mechanism, each roll forming group comprises a first roll forming group, a second roll forming group and a third roll forming group, when a slide rail is machined, a plate sequentially passes through the first roll forming groups, the second roll forming groups and the third roll forming groups, when the plate passes through the first roll forming groups, a plurality of first roll forming units of the first roll forming groups perform first-step extrusion processing on the plate, at the moment, a first upper roller and a first lower roller extrude the plate, in the extrusion process, a first extrusion conical surface on the surface of the first upper roller extrudes the plate to enable two sides of the plate to be bent into an arc shape, when the plate passes through the second roll forming groups, a plurality of second roll forming units of the second roll forming groups perform first-step extrusion processing on the plate, and because the surface of the second upper roller has two second extrusion conical surfaces which are symmetrical to each other, the inclination angle of the second extrusion conical surface is larger than that of the first extrusion conical surface, two sides of the plate are further extruded and bent by the second upper roller, the bent and formed plate is formed by third roller pressing, two symmetrical annular extrusion flanges are arranged on the surface of the third upper roller, two sides of the bent plate are formed by the annular extrusion flanges in an extrusion mode, the cross section of the formed plate is C-shaped, the roller pressing forming machine adopts a plurality of roller pressing forming groups with different structures to gradually extrude the plate, and the forming effect and the quality of the slide rail are guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the feeding table of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
fig. 5 is a schematic structural view of the slide rail forming mechanism of the present invention;
fig. 6 is a schematic view of the installation of the first roll-forming unit of the present invention on the installation frame;
fig. 7 is a schematic view of a first roll-forming unit according to the present invention;
fig. 8 is a schematic view of a second roll forming unit according to the present invention;
fig. 9 is a schematic view of a third roll forming unit according to the present invention.
Detailed Description
As shown in fig. 1 to 9, an integrated processing and forming device for a slide rail comprises a slide rail raw material feeding mechanism 100 and a slide rail forming mechanism 200 arranged on one side of the slide rail raw material feeding mechanism 100, wherein the slide rail raw material feeding mechanism 100 comprises a feeding table 101, a plurality of feeding units arranged on the feeding table 101 at intervals, one side of the feeding table 101 is provided with a slide rail raw material traction mechanism, each feeding unit comprises two feeding limit turntables 102 arranged on the feeding table 101, a rotating shaft 103 arranged at the bottom of the feeding limit turntables 102 and connected with the centers of the feeding limit turntables 102, a supporting base 104 connected with the end part of the rotating shaft 103, a screw 105 fixedly connected with the bottom of the supporting base 104, a through waist-shaped groove 106 is arranged on the feeding table 101, the screw 105 penetrates from the waist-shaped groove 106 to the bottom of the feeding table 101, and the supporting base 104 is arranged on the surface of the, the screw 105 is sleeved with a fastening nut 107, the top surface of the fastening nut 107 abuts against the bottom surface of the feeding table 101, a sliding rail raw material feeding channel is formed between the two feeding limit turntables 102 of the feeding unit, the circumferential surface of each feeding limit turntable 102 is provided with an annular clamping groove 108, and the side surface of each sliding rail raw material 109 is in contact with the annular clamping groove 108 on the feeding limit turntable 102.
Further, the slide rail raw material traction mechanism comprises a traction table 110 arranged on one side of the feeding table 101, a support frame 1011 fixed on the traction table 110, an upper traction roller 1012 and a lower traction roller 1013 mounted on the support frame 1011, wherein the end part of the upper traction roller 1012 is connected with a driving motor, and the slide rail raw material 109 is positioned between the upper traction roller 1012 and the lower traction roller 1013 and is pulled. The rail stock 109 is a metal plate.
In the present invention, the width of the supporting base 104 is larger than the width of the waist-shaped groove 106, and the waist-shaped groove 106 extends toward the width direction of the feeding table 101. The end of the rotating shaft 103 is rotatably connected to a support base 104, and the support base 104 is locked to the surface of the feeding table 101 by a fastening nut 107. The distance between the two feed limit dials 102 of the feed unit is controlled by the amplitude of the movement of the screw 105 within the kidney slot 106.
When the mechanism feeds materials, the side surfaces of the sliding rail raw materials 109 are in contact with the annular clamping grooves 108 on the feeding limit turntables 102, the sliding rail raw materials 109 are axially and longitudinally limited by the feeding limit turntables 102 on the two sides, the end parts of the sliding rail raw materials 102 are positioned between the upper traction rollers 1012 and the lower traction rollers 1013 and are pulled, in the process of pulling the sliding rail raw materials 109, the feeding limit turntables 102 on the two sides of the sliding rail raw materials 109 rotate, the pulled sliding rail raw materials 109 are conveyed into a rolling forming machine to be processed, the feeding limit turntables 102 on the two sides of the sliding rail raw materials 109 ensure that the sliding rail raw materials 109 cannot bulge or shake, the feeding is stable, and the forming quality;
in addition, the bottom of the supporting base 104 is fixedly connected with a screw 105, the feeding table 101 is provided with a through waist-shaped groove 106, the screw 105 penetrates from the waist-shaped groove 106 to the bottom of the feeding table 101, the supporting base 104 is arranged on the surface of the feeding table 101, the screw 105 is sleeved with a fastening nut 107, the top surface of the fastening nut 107 is abutted against the bottom surface of the feeding table 101, the end part of the rotating shaft 103 is rotatably connected with the supporting base 104, the supporting base 104 is locked on the surface of the feeding table 101 through the fastening nut 107, if the width of the sliding rail raw material 109 changes, the fastening nut 107 can be unscrewed, the screw 105 can move in the waist-shaped groove 106, so that the distance between the two feeding limit turntables 102 on the feeding table 101 is controlled, the sliding rail raw material feeding device adapts to the width of the sliding rail raw material 109, the sliding rail raw material feeding flexibility.
Further, the slide rail forming mechanism 200 includes a forming table 20, a plurality of sequentially arranged roll forming sets installed on the forming table 20, the roll forming sets include a first roll forming set 1, a second roll forming set 2 and a third roll forming set 3, the first roll forming set 1 includes a plurality of first roll forming units 11 spaced from each other, the second roll forming set 2 includes a plurality of second roll forming units 21 spaced from each other, and the third roll forming set 3 includes a plurality of third roll forming units 31 spaced from each other;
mounting frames 4 are arranged on two sides of the top of the forming table 20, a lower supporting block 41 and an upper supporting block 42 are arranged on each mounting frame 4, guide plates 43 are arranged on two sides of each upper supporting block 42, guide grooves 44 are formed in the inner sides of the mounting frames 4, the guide plates 43 are located in the guide grooves 44, screws 45 are arranged on the tops of the mounting frames 4, threaded holes are formed in the tops of the upper supporting blocks 42 and the tops of the mounting frames 4, and the screws 45 penetrate through the threaded holes in the tops of the mounting frames 4 and are in threaded connection with the threaded holes in the tops of the upper supporting blocks;
the first roll forming unit 11 includes a first upper roll 111 installed between the two upper support blocks 42, a first lower roll 112 installed between the two lower support blocks 41; the first lower roll 112 has a cylindrical shape, and the surface of the first upper roll 111 has two first extrusion tapered surfaces 113 that are symmetrical to each other.
The second roll forming unit 21 includes a second upper roll 211 installed between the two upper support blocks 42, and a second lower roll 212 installed between the two lower support blocks 41; the second lower roller 212 has a cylindrical shape, the surface of the second upper roller 211 has two second extrusion tapered surfaces 213 that are symmetrical to each other, and the inclination angle of the second extrusion tapered surface 213 is greater than that of the first extrusion tapered surface 113
The third calender molding unit 31 includes a third upper roll 311 installed between the two upper support blocks 42, and a third lower roll 312 installed between the two lower support blocks 41. The third lower roller 312 has a cylindrical shape, and the surface of the third upper roller 311 has two annular pressing flanges 313 symmetrical to each other.
Furthermore, the ends of the first upper roller 111, the first lower roller 112, the second upper roller 211, the second lower roller 212, the third upper roller 311 and the third lower roller 312 are provided with a rotating shaft 5, the rotating shaft 5 is rotatably connected with the upper support block 42 and the lower support block 41, and the end of the rotating shaft on the upper support block 42 is connected with a driving system.
A plurality of rolling forming groups which are sequentially arranged are arranged on a forming table of the rolling forming machine, each rolling forming group comprises a first rolling forming group 1, a second rolling forming group 2 and a third rolling forming group 3, when a slide rail is machined, a plate passes through the first rolling forming group 1, the second rolling forming group 2 and the third rolling forming group 3 in sequence, when the plate passes through the first rolling forming group 1, a plurality of first rolling forming units 11 of the first rolling forming group perform first-step extrusion processing on the plate, at the moment, a first upper roller 111 and a first lower roller 112 extrude the plate, in the extrusion process, a first extrusion conical surface 113 on the surface of the first upper roller 111 extrudes the plate to enable two sides of the plate to be bent into circular arc shapes, when the plate passes through the second rolling forming group 2, a plurality of second rolling forming units 21 of the second rolling forming group perform first-step extrusion processing on the plate, because the surface of the second upper roller 211 is provided with two second extrusion conical surfaces 213 which are symmetrical to each other, the inclination angle of the second extrusion conical surface 213 is larger than that of the first extrusion conical surface 113, two sides of the plate are further extruded and bent by the second upper roller 211, the bent and formed plate is subjected to the third roll forming group 3, because the surface of the third upper roller 311 is provided with two annular extrusion flanges 313 which are symmetrical to each other, two sides of the bent plate are extruded and formed by the annular extrusion flanges 313, the cross section of the formed plate is C-shaped, the roll forming machine adopts a plurality of roll forming groups with different structures to gradually extrude the plate, and the forming effect and the quality of the slide rail are ensured;
in addition, mounting frames 4 are arranged on two sides of the top of the forming table 20, a lower supporting block 41 and an upper supporting block 42 are arranged on the mounting frame 4, guide plates 43 are arranged on two sides of the upper supporting block 42, a guide groove 44 is arranged on the inner side of the mounting frame 4, the guide plates 43 are positioned in the guide groove 44, a screw 45 is arranged on the top of the mounting frame 4, threaded holes are arranged on the top of the upper supporting block 42 and the top of the mounting frame 4, the screw 45 penetrates through the threaded hole on the top of the mounting frame 4 and is in threaded connection with the threaded hole on the top of the upper supporting block 42, because the upper roller is arranged on the upper supporting block, the lower roller is arranged on the lower supporting block, when the gap between the upper roller and the lower roller needs to be adjusted, the screw 45 is rotated, the upper supporting block 42 slides up and down relative to the mounting frame 4 under the condition of circumferential limit, in the sliding process, the guide groove 44 plays, the clearance adjustment precision is high, is fit for the panel extrusion of different thickness.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An integrated processing and forming device for a slide rail comprises a slide rail raw material feeding mechanism and a slide rail forming mechanism arranged on one side of the slide rail raw material feeding mechanism, and is characterized in that the slide rail raw material feeding mechanism comprises a feeding table, a plurality of feeding units arranged on the feeding table at intervals, a slide rail raw material traction mechanism is arranged on one side of the feeding table, each feeding unit comprises two feeding limit turntables arranged on the feeding table, a rotating shaft arranged at the bottom of each feeding limit turntable and connected with the center of the corresponding feeding limit turntable, a supporting base connected with the end part of the rotating shaft, a screw fixedly connected with the bottom of the supporting base, a through waist-shaped groove is arranged on the feeding table, the screw penetrates through the bottom of the feeding table from the waist-shaped groove, the supporting base is arranged on the surface of the feeding table, a fastening nut is sleeved on the screw, and the top surface of the fastening nut, a sliding rail raw material feeding channel is formed between two feeding limit turntables of the feeding unit, annular clamping grooves are formed in the peripheral surfaces of the feeding limit turntables, and the side surfaces of the sliding rail raw materials are in contact with the annular clamping grooves in the feeding limit turntables;
the slide rail forming mechanism comprises a forming table, a plurality of sequentially arranged rolling forming groups arranged on the forming table, wherein each rolling forming group comprises a first rolling forming group, a second rolling forming group and a third rolling forming group;
mounting frames are arranged on two sides of the top of the forming table, a lower supporting block and an upper supporting block are arranged on the mounting frames, guide plates are arranged on two sides of the upper supporting block, guide grooves are formed in the inner sides of the mounting frames, the guide plates are located in the guide grooves, screw rods are mounted on the top of the mounting frames, threaded holes are formed in the top of the upper supporting block and the top of the mounting frame, and the screw rods penetrate through the threaded holes in the top of the mounting frames and are in threaded connection with the threaded holes in the top of the upper;
the first roll forming unit comprises a first upper roll arranged between two upper supporting blocks and a first lower roll arranged between two lower supporting blocks;
the second rolling forming unit comprises a second upper roller arranged between the two upper supporting blocks and a second lower roller arranged between the two lower supporting blocks;
the third roll forming unit comprises a third upper roll arranged between the two upper supporting blocks and a third lower roll arranged between the two lower supporting blocks.
2. The integrated processing and forming equipment for the slide rail as claimed in claim 1, wherein the raw material drawing mechanism for the slide rail comprises a drawing table arranged on one side of the feeding table, a support frame fixed on the drawing table, an upper drawing roller and a lower drawing roller which are arranged on the support frame, the end part of the upper drawing roller is connected with a driving motor, and the raw material for the slide rail is positioned between the upper drawing roller and the lower drawing roller and is drawn.
3. The integrated processing and forming device for the sliding rail as claimed in claim 1, wherein the first lower roller is cylindrical, and the surface of the first upper roller is provided with two first extrusion conical surfaces which are symmetrical with each other.
4. The integrated machining and forming device for the sliding rail as claimed in claim 3, wherein the second lower roller is cylindrical, the surface of the second upper roller is provided with two second extrusion conical surfaces which are symmetrical to each other, and the inclination angle of the second extrusion conical surfaces is larger than that of the first extrusion conical surfaces.
5. The integrated processing and forming equipment for the slide rail as claimed in claim 4, wherein the third lower roller is cylindrical, and the surface of the third upper roller is provided with two annular extrusion flanges which are symmetrical with each other.
6. The integrated processing and forming equipment for the sliding rail as claimed in claim 5, wherein the ends of the first upper roller, the first lower roller, the second upper roller, the second lower roller, the third upper roller and the third lower roller are provided with rotating shafts, the rotating shafts are rotatably connected with the upper supporting block and the lower supporting block, and the ends of the rotating shafts on the upper supporting block are connected with a driving system.
7. The integrated processing and forming equipment for the sliding rail according to claim 5, wherein the distance between the two feeding limit turntables of the feeding unit is controlled by the moving amplitude of the screw rod in the kidney-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081210.9U CN211489040U (en) | 2020-01-15 | 2020-01-15 | Integrated machine-shaping equipment of slide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081210.9U CN211489040U (en) | 2020-01-15 | 2020-01-15 | Integrated machine-shaping equipment of slide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211489040U true CN211489040U (en) | 2020-09-15 |
Family
ID=72399998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020081210.9U Expired - Fee Related CN211489040U (en) | 2020-01-15 | 2020-01-15 | Integrated machine-shaping equipment of slide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211489040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140095A (en) * | 2023-10-08 | 2023-12-01 | 河北永广矿山设备有限公司 | Forming production line and production process of hexagonal drill rod |
-
2020
- 2020-01-15 CN CN202020081210.9U patent/CN211489040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140095A (en) * | 2023-10-08 | 2023-12-01 | 河北永广矿山设备有限公司 | Forming production line and production process of hexagonal drill rod |
| CN117140095B (en) * | 2023-10-08 | 2024-04-16 | 河北永广矿山设备有限公司 | Forming production line and production process of hexagonal drill rod |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20220115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |