CN214813889U - Headrest rod bending device - Google Patents
Headrest rod bending device Download PDFInfo
- Publication number
- CN214813889U CN214813889U CN202121751324.0U CN202121751324U CN214813889U CN 214813889 U CN214813889 U CN 214813889U CN 202121751324 U CN202121751324 U CN 202121751324U CN 214813889 U CN214813889 U CN 214813889U
- Authority
- CN
- China
- Prior art keywords
- placing seat
- bending
- driving piece
- rod
- headrest
- 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.)
- Active
Links
Images
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a pipe bending device, in particular to a headrest rod bending device, which has the technical proposal that the device comprises a vertical extrusion bending rod, a bending head, a second placing seat, a first driving piece and a rotating component, wherein one side of the second placing seat is provided with a fixed first placing seat, and the extrusion bending rod is connected on the first placing seat; the bending head and the first driving piece are both arranged on the second placing seat, the bending head is in sliding connection with the second placing seat, the first driving piece is arranged below the bending head, the free end of the first driving piece is hinged with the bending head, and the first driving piece is hinged with the second placing seat; the rotating assembly is arranged below the first placing seat, and the second placing seat is rotatably connected with the first placing seat; the bending device realizes automatic bending of the headrest rod, reduces labor intensity and improves production efficiency.
Description
Technical Field
The application relates to a pipe bending device, in particular to a headrest rod bending device.
Background
The pipe bender is a processing device for bending and forming pipe workpieces, and is often used for bending and processing headrest rods.
In the related art, chinese patent publication No. CN107081357A discloses a manual hydraulic pipe bender, which comprises a pump body, a pipe bending die and a plunger pump, wherein the plunger pump is arranged at the upper end of the pump body, a handle sleeve is arranged on the plunger pump, the handle sleeve is connected with a handle, a pull piece is arranged at the other end of the handle sleeve and connected with the pump body, the pump body is connected with an oil cylinder base through an oil tank, the oil cylinder base is connected with the pipe bending die, an oil filling port is arranged on the oil tank, an upper wing plate and a lower wing plate are arranged above and below the oil cylinder base, the upper wing plate is fixedly mounted on the oil cylinder base through a wing plate pin, a wheel fixed through a rear wheel fork is connected to the bottom surface of the lower wing plate, a supporting wheel is arranged between the upper wing plate and the lower wing plate, a pulley fixed through a front wheel fork is arranged on the side wall of the pump body, an oil filtering cover is arranged at the bottom of the pump body, and a switch is arranged on the side wall of the pump body.
In view of the above-mentioned related art solutions, the inventors found that: because the headrest rod needs to be bent for many times to be processed and formed, when the manual hydraulic pipe bender is used for bending, the whole process is basically manually bent, the labor intensity of workers is high due to the operation, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
For the convenience of bending headrest rods, the bending labor intensity is reduced, and the production efficiency is improved.
The application provides a headrest pole bending device adopts following technical scheme:
a headrest rod bending device comprises a vertical extrusion bending rod, a bending head, a second placing seat, a first driving piece and a rotating assembly, wherein one side of the second placing seat is provided with a fixed first placing seat, and the extrusion bending rod is connected to the first placing seat; the bending head and the first driving piece are both arranged on the second placing seat, the bending head is in sliding connection with the second placing seat, the first driving piece is arranged below the bending head, the free end of the first driving piece is hinged with the bending head, and the first driving piece is hinged with the second placing seat; the rotating assembly is arranged below the first placing seat, and the second placing seat is rotatably connected with the first placing seat.
By adopting the technical scheme, when the headrest rod is bent, the headrest rod is firstly placed between the extrusion bending rod and the bending head, then the first driving piece is started to drive the bending head to move towards the direction close to the extrusion bending rod until the bending head is contacted with the headrest rod, and then the rotating assembly is started to drive the second placing seat to rotate along the first placing seat, so that the headrest rod can be bent; the bending device realizes automatic bending of the headrest rod, reduces labor intensity and improves production efficiency.
Preferably, a starting pedal is arranged below the second placing seat, a controller is arranged on one side of the second placing seat, the starting pedal is electrically connected with the controller, and the first driving piece is electrically connected with the controller.
By adopting the technical scheme, when the first driving part is started, a worker steps on the starting pedal by feet, the starting signal is fed back to the controller, and the controller drives the first driving part to realize starting; the controller and the starting pedal are arranged, so that the automation of operation is realized, the workload of workers for starting the first driving piece in a back-and-forth walking mode is reduced, and the production efficiency is improved.
Preferably, the second placing seat is hollow, and the upper end and the lower end of the second placing seat are both open; the first driving piece is arranged inside the second placing seat.
Through adopting above-mentioned technical scheme, the setting up of seat is placed to the second provides the guard action for first driving piece, has reduced the possibility that first driving piece takes place the damage under the effect of external force.
Preferably, be provided with the slider between first driving piece and the elbow, the seat is placed for sliding connection with the second to the slider, and the slider is fixed connection with the elbow of rolling over, and the slider is articulated with the free end of first driving piece.
Through adopting above-mentioned technical scheme, the setting up of slider makes to roll over the elbow and place the seat with the second and has realized sliding connection, has guaranteed to roll over the gliding stationarity of elbow on the seat is placed to the second.
Preferably, the rotating assembly comprises a fixed shaft vertically arranged in the first placing seat and the second placing seat and rotatably connected with the first placing seat, a fixed shaft fixedly connected with the second placing seat, a first chain wheel arranged on the fixed shaft and fixedly connected with the fixed shaft, a chain wound outside the first chain wheel and meshed with the first chain wheel, a second driving piece arranged below the first placing seat and a second chain wheel arranged on an output shaft of the second driving piece and meshed with the chain, and the second driving piece is electrically connected with the controller.
By adopting the technical scheme, when the headrest rod is bent, the second driving piece is started to drive the second chain wheel to rotate, the fixed rod rotates along with the chain and the first chain wheel, and the fixed rod is rotatably connected with the first placing seat and fixedly connected with the second placing seat, so that the second placing seat rotates along the axis of the fixed rod under the action of the fixed rod, and the headrest rod is bent; the rotating assembly is arranged to realize automatic bending of the headrest rod, so that the labor intensity is reduced, and the production efficiency is improved.
Preferably, one end of the bending head, which is far away from the extrusion bending rod, is provided with an adjusting assembly; the adjusting assembly comprises a fixing block fixedly connected to the upper end of the sliding block, a screw rod penetrating through the fixing block and connected with the bending head in a rotating mode and a guide rail arranged on the end face of the bending head close to the sliding block, the screw rod is in threaded connection with the fixing block, the guide rail is in sliding connection with the sliding block, and a sliding chute for sliding the guide rail is formed in the end face of the sliding block close to the bending head.
By adopting the technical scheme, when headrest rods with different diameters are bent and fixed by the bending head and the extrusion bending rod, the screw rod is rotated to drive the bending head to move along the extending direction of the guide rail, so that the headrest rods can be bent and fixed by the bending head and the extrusion bending rod; by the design, the headrest rods with different diameters can be placed between the bending head and the extrusion bending rod, so that the headrest rods with different diameters can be bent, and the use diversity is improved.
Preferably, a hand wheel is arranged on one side, away from the bending head, of the fixing block, and the hand wheel is coaxial with and fixedly connected with the screw rod.
Through adopting above-mentioned technical scheme, the setting of hand wheel has improved the convenience of operation.
Preferably, the bending headrest is close to the end face of the extrusion bending rod, and a first arc-shaped placing groove is formed in the end face of the extrusion bending rod.
Through adopting above-mentioned technical scheme, the headrest pole of being convenient for of seting up of first arc standing groove is placed, has reduced the headrest pole and has caused the possibility of destruction by the bending head at the in-process of bending, has guaranteed the integrality of headrest pole.
Preferably, the side face of the extrusion bending rod close to the bending head and two adjacent side faces are provided with second arc-shaped placing grooves.
Through adopting above-mentioned technical scheme, seting up of second arc standing groove is convenient for the headrest pole and is placed, has reduced the headrest pole and has been bent the in-process and be extruded the possibility that the pole caused destruction, has guaranteed the integrality of headrest pole.
In summary, the present application has the following technical effects:
1. when the headrest rod is bent, firstly, the headrest rod is placed between the extrusion bending rod and the bending head, then the first driving piece is started to drive the bending head to move towards the direction close to the extrusion bending rod until the bending head is contacted with the headrest rod, and then the rotating assembly is started to drive the second placing seat to rotate along the first placing seat, so that the headrest rod can be bent; the arrangement of the bending device realizes the automatic bending of the headrest rod, reduces the labor intensity and improves the production efficiency;
2. when the headrest rod is bent, the second driving piece is started to drive the second chain wheel to rotate, the fixed rod rotates along with the chain and the first chain wheel, and the fixed rod is rotatably connected with the first placing seat and fixedly connected with the second placing seat, so that the second placing seat can rotate along the axis of the fixed rod under the action of the fixed rod, and the headrest rod is bent; the arranged rotating assembly realizes automatic bending of the headrest rod, reduces labor intensity and improves production efficiency;
3. when headrest rods with different diameters are bent and fixed by the bending head and the extrusion bending rod, the screw rod is rotated to drive the bending head to move along the extending direction of the guide rail, so that the headrest rods can be bent and fixed by the bending head and the extrusion bending rod; by the design, the headrest rods with different diameters can be placed between the bending head and the extrusion bending rod, so that the headrest rods with different diameters can be bent, and the use diversity is improved.
Drawings
FIG. 1 is a schematic structural view of a bending apparatus in an embodiment of the present application;
FIG. 2 is a partial cross-sectional view highlighting a rotating assembly in an embodiment of the present application;
fig. 3 is a system diagram of a control device in the embodiment of the present application.
In the figure, 1, a first placing seat; 2. a second placing seat; 3. extruding the bending rod; 31. a second arc-shaped placing groove; 4. bending the elbow; 41. a first arc-shaped placing groove; 5. a first driving member; 6. a rotating assembly; 61. a first sprocket; 62. a chain; 63. a second sprocket; 64. a second driving member; 7. a slider; 8. an adjustment assembly; 81. a fixed block; 82. a screw; 83. a guide rail; 84. a hand wheel; 9. a control device; 91. a controller; 92. the pedal is actuated.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, the application provides a headrest rod bending device, which comprises a vertical extrusion bending rod 3, a bending head 4, a second placing seat 2, a first driving piece 5 and a rotating assembly 6, wherein one side of the second placing seat 2 is provided with a first placing seat 1 for placing the extrusion bending rod 3, the first placing seat 1 is fixedly connected with the ground, the extrusion bending rod 3 is connected to the first placing seat 1 through a bolt, and the second placing seat 2 is rotatably connected with the first placing seat 1; the bending head 4 and the first driving piece 5 are both arranged on the second placing seat 2, the first driving piece 5 is arranged below the bending head 4, the bending head 4 is in sliding connection with the second placing seat 2, and the rotating assembly 6 is arranged below the second placing seat 2; the end face of the bending bend 4 close to the extrusion bending rod 3 is provided with a first arc-shaped placing groove 41 for placing the headrest rod, and the side face of the extrusion bending rod 3 close to the bending bend 4 and two adjacent side faces are provided with second arc-shaped placing grooves 31 for placing the headrest rod.
When the headrest rod is bent, a worker firstly places the headrest rod between the extrusion bending rod 3 and the bending head 4, then starts the first driving piece 5 to drive the bending head 4 to move towards the direction close to the extrusion bending rod 3 until the bending head 4 is contacted with the headrest rod, and then starts the rotating assembly 6 to drive the second placing seat 2 to rotate along the first placing seat 1, so that the headrest rod can be bent; the arranged bending device realizes automatic bending of the headrest rod, reduces labor intensity and improves production efficiency; the first arc-shaped placing groove 41 and the second arc-shaped placing groove 31 are convenient for placing the headrest rods, the possibility that the headrest rods are damaged by the bending heads 4 and the bending rods 3 in a bending process is reduced, and the integrity of the headrest rods is ensured; the extrusion bending rod 3 and the first placing seat 1 are connected through bolts, so that the extrusion bending rod 3 can be replaced conveniently, the extrusion fixing is convenient for the headrest rods with different diameters, and the use diversity is greatly improved.
Referring to fig. 1, the second is placed seat 2 and is inside hollow, and upper and lower end is all uncovered, and first driving piece 5 sets up in seat 2 is placed to the second, and places seat 2 with the second and articulate, and first driving piece 5 can adopt hydraulic cylinder, pneumatic cylinder etc. in this application embodiment, first driving piece 5 adopts hydraulic cylinder, and the free end of piston rod is articulated with bend 4 among the hydraulic cylinder, and hydraulic cylinder's cylinder body is articulated with first seat 1 of placing.
When the headrest rod is bent and fixed, the first driving piece 5 is started, and under the action of the piston rod of the first driving piece 5, the bending head 4 slides along the extending direction of the second placing seat 2, so that the bending and fixing of the headrest rod can be realized; the first driving piece 5 is arranged to realize bending and fixing of the headrest rod, so that the possibility of deflection of the headrest rod during bending is reduced, and the machining precision of the headrest rod is ensured; the setting of second placing seat 2 provides the guard action for first driving piece 5, has reduced first driving piece 5 and has taken place the possibility that the damage takes place under the effect of external force.
Referring to fig. 1, in order to enable the bending head 4 to be slidably connected with the second placing seat 2, a sliding block 7 is arranged between the bending head 4 and the first driving member 5, the extending direction of the sliding block 7 is parallel to the extending direction of the bending head 4, the sliding block 7 is slidably connected with the second placing seat 2, the sliding block 7 is fixedly connected with the bending head 4, and the sliding block 7 is hinged with the free end of the first driving member 5; the setting of slider 7 makes bend head 4 place seat 2 with the second and has realized sliding connection, has guaranteed bend head 4 and has placed gliding stationarity on seat 2 at the second.
Referring to fig. 2, in order to enable the bending head 4 to bend and fix headrest rods with different diameters, an adjusting assembly 8 is arranged at one end, away from the extrusion bending rod 3, of the bending head 4, and the adjusting assembly 8 comprises a fixing block 81, a screw 82 and a guide rail 83, wherein the fixing block 81 is vertically arranged at one side, away from the extrusion bending rod 3, of the bending head 4 and is connected to the upper end of the sliding block 7 through a bolt, the screw 82 is horizontally arranged, penetrates through the fixing block 81 and is in rotary connection with the bending head 4, and the screw 82 is in threaded connection with the fixing block 81; the guide rail 83 is arranged on the central line of the end face of the bending head 4 close to the slide block 7, and is fixedly connected with the bending head 4, and the end face of the slide block 7 close to the bending head 4 is provided with a sliding chute for the guide rail 83 to slide.
When headrest rods with different diameters are bent and fixed by the bending head 4 and the extrusion bending rod 3, the screw 82 is rotated to drive the bending head 4 to move along the extending direction of the guide rail 83, so that the headrest rods can be bent and fixed by the bending head 4 and the extrusion bending rod 3; by the design, the headrest rods with different diameters can be placed between the bending head 4 and the extrusion bending rod 3, so that the headrest rods with different diameters can be bent, and the use diversity is improved.
Referring to fig. 2, in order to facilitate driving the screw rod 82 to rotate, a hand wheel 84 is disposed on one side of the fixing block 81 away from the bending head 4, and the hand wheel 84 is coaxial and fixedly connected with the screw rod 82.
Referring to fig. 2, the rotating assembly 6 includes a fixed shaft (not shown), a first chain wheel 61, a chain 62, a second chain wheel 63, and a second driving member 64, wherein the fixed shaft 61 is disposed in the first placing base 1 and the second placing base 2 and is coaxial with the squeezing and bending rod 3, and the fixed shaft 61 is rotatably connected to the first placing base 1 and is fixedly connected to the second placing base 2; the first chain wheel 61 is coaxial with the fixed shaft 61 and is fixedly connected to the outer peripheral surface of the lower end of the fixed shaft 61, the chain 62 is wound on the outer side of the first chain wheel 61 and is meshed with the first chain wheel 61, and the second chain wheel 63 is arranged on one side of the first chain wheel 61 and is meshed with the chain 62; the output shaft of the second driving member 64 is coaxial with the second chain wheel 63, and the second chain wheel 63 is fixedly connected to the output shaft of the second driving member 64; the second driving member 64 may be a driving motor, a hydraulic motor, etc., and in the present embodiment, the second driving member 64 is a hydraulic motor.
When the headrest rod is bent, the second driving piece 64 is started to drive the second chain wheel 63 to rotate, the fixed rod rotates along with the chain 62 and the first chain wheel 61, and the fixed rod is rotatably connected with the first placing seat 1 and fixedly connected with the second placing seat 2, so that the second placing seat 2 rotates along the axis of the fixed rod under the action of the fixed rod, and the headrest rod is bent; the rotating assembly 6 is arranged to realize automatic bending of the headrest rod, so that the labor intensity is reduced, and the production efficiency is improved.
Referring to fig. 1 and 3, a control device 9 is arranged on the first placing seat 1, the control device 9 includes a controller 91 and a starting pedal 92, wherein the controller 91 may adopt a single chip microcomputer, a PLC, etc., in this embodiment, the controller 91 adopts a PLC, the starting pedal 92 is arranged below the second placing seat 2 and is fixedly connected with the ground, the controller 91 is electrically connected with the starting pedal 92, and both the first driving member 5 and the second driving member 64 are electrically connected with the controller 91.
When the headrest rod is bent, a worker firstly places the headrest rod in a second arc-shaped placing groove 31 formed in the extrusion bending rod 3, then treads a starting pedal 92 by feet to feed a starting signal back to the controller 91, the first driving piece 5 drives the bending head 4 to move towards the direction close to the extrusion bending rod 3 until the bending head 4 is attached to the headrest rod, and then the fifth driving piece drives the fixing rod to rotate, namely drives the second placing seat 2 to rotate, so that the headrest rod can be bent; finally, the worker steps on the starting pedal 92 again, the first driving piece 5 drives the bending head 4 to move in the direction away from the extrusion bending rod 3, and meanwhile, the second driving piece 64 drives the second placing seat 2 to realize rotary reset; the controller 91 and the start pedal 92 are arranged to realize automation of operation, so that the workload of workers walking back and forth to start the first driving piece 5 and the second driving piece 64 is reduced, and the production efficiency is improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a headrest pole bending device which characterized in that: the bending device comprises a vertical extrusion bending rod (3), a bending head (4), a second placing seat (2), a first driving piece (5) and a rotating assembly (6), wherein a fixed first placing seat (1) is arranged on one side of the second placing seat (2), and the extrusion bending rod (3) is connected to the first placing seat (1); the bending head (4) and the first driving piece (5) are both arranged on the second placing seat (2), the bending head (4) and the second placing seat (2) are in sliding connection, the first driving piece (5) is arranged below the bending head (4), the free end of the first driving piece (5) is hinged with the bending head (4), and the first driving piece (5) is hinged with the second placing seat (2); the rotating assembly (6) is arranged below the first placing seat (1), and the second placing seat (2) is rotatably connected with the first placing seat (1).
2. The headrest pole bending device according to claim 1, characterized in that: a starting pedal (92) is arranged below the second placing seat (2), a controller (91) is arranged on one side of the second placing seat (2), the starting pedal (92) is electrically connected with the controller (91), and the first driving piece (5) is electrically connected with the controller (91).
3. The headrest pole bending device according to claim 1, characterized in that: the second placing seat (2) is hollow, and the upper end and the lower end of the second placing seat are both open; the first driving piece (5) is arranged inside the second placing seat (2).
4. The headrest pole bending device according to claim 1, characterized in that: be provided with slider (7) between first driving piece (5) and the elbow (4) of rolling over, slider (7) and second are placed seat (2) and are sliding connection, and slider (7) are fixed connection with the elbow (4) of rolling over, and slider (7) are articulated with the free end of first driving piece (5).
5. The headrest pole bending device according to claim 2, characterized in that: the rotating assembly (6) comprises a first placing seat (1) and a second placing seat (2) which are vertically arranged and are rotatably connected with the first placing seat (1), a fixed shaft fixedly connected with the second placing seat (2), a first chain wheel (61) which is arranged on the fixed shaft and is fixedly connected with the fixed shaft, a chain (62) which is wound on the outer side of the first chain wheel (61) and is meshed with the first chain wheel (61), a second driving piece (64) which is arranged below the first placing seat (1) and a second chain wheel (63) which is arranged on an output shaft of the second driving piece (64) and is meshed with the chain (62), wherein the second driving piece (64) is electrically connected with the controller (91).
6. The headrest pole bending apparatus according to claim 4, wherein: an adjusting component (8) is arranged at one end of the bending head (4) far away from the extrusion bending rod (3); adjusting part (8) include fixed block (81) of fixed connection in slider (7) upper end, run through fixed block (81) and with roll over elbow (4) for screw rod (82) of rotating the connection and set up and be close to guide rail (83) on slider (7) terminal surface rolling over elbow (4), screw rod (82) are threaded connection with fixed block (81), guide rail (83) are sliding connection with slider (7), slider (7) are close to the terminal surface of rolling over elbow (4) and offer the gliding spout of confession guide rail (83).
7. The headrest pole bending device according to claim 6, wherein: a hand wheel (84) is arranged on one side of the fixing block (81) far away from the bending head (4), and the hand wheel (84) is coaxial with and fixedly connected with the screw rod (82).
8. The headrest pole bending device according to claim 1, characterized in that: the end surface of the bending head (4) close to the extrusion bending rod (3) is provided with a first arc-shaped placing groove (41).
9. The headrest pole bending device according to claim 1, characterized in that: the side face of the extrusion bending rod (3) close to the bending head (4) and two adjacent side faces are provided with second arc-shaped placing grooves (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751324.0U CN214813889U (en) | 2021-07-29 | 2021-07-29 | Headrest rod bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751324.0U CN214813889U (en) | 2021-07-29 | 2021-07-29 | Headrest rod bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214813889U true CN214813889U (en) | 2021-11-23 |
Family
ID=78874396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121751324.0U Active CN214813889U (en) | 2021-07-29 | 2021-07-29 | Headrest rod bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214813889U (en) |
-
2021
- 2021-07-29 CN CN202121751324.0U patent/CN214813889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201198050Y (en) | Full automatic transverse cutting machine | |
| CN104044957B (en) | A kind of earth connection wrapping head | |
| CN212636090U (en) | Cutting mechanism for processing aerated concrete building blocks | |
| CN205414626U (en) | Tubular product external screw thread forming device | |
| CN112845860A (en) | Stamping die for metal plate forming | |
| CN113547007B (en) | Headrest rod bending system and method | |
| US5833411A (en) | Vertical broaching machine | |
| CN214813889U (en) | Headrest rod bending device | |
| CN215237024U (en) | Headrest rod extrusion fixing device | |
| CN111872472A (en) | Shearing machine for steel belt of end cover of prestressed concrete pipe pile | |
| CN116237589A (en) | Quick cutting process for copper rod drawing forming | |
| CN210848556U (en) | Anti-bending pipe cutting device | |
| CN111716168B (en) | Auxiliary device for side stitching of bra | |
| CN212733669U (en) | Bending mechanism of bending machine | |
| CN215430963U (en) | Headrest rod mounting and fixing device | |
| CN220533125U (en) | Sawing machine feeding frame and sawing machine | |
| CN218555319U (en) | Round pipe flattening and bending die | |
| CN203863349U (en) | Pipe cutting and necking integrated machine | |
| CN219771159U (en) | Production basket suitable for glass cover plate and capable of reducing abrasion in sheet taking process | |
| CN219052793U (en) | Straightening mechanism of bolt thread rolling machine | |
| CN219724212U (en) | Sleeve type pipe fitting pipe bending mechanism | |
| CN113070922B (en) | Low temperature building pipeline processingequipment | |
| CN220218888U (en) | Numerical control grooving machine | |
| CN220387902U (en) | 3D follow-up wire drawing machine pay-off rack | |
| CN218311958U (en) | Electric heating tube straightening and cutting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |