CN214687986U - Automatic ear band hot-welding device for mask machine - Google Patents

Automatic ear band hot-welding device for mask machine Download PDF

Info

Publication number
CN214687986U
CN214687986U CN202120385648.0U CN202120385648U CN214687986U CN 214687986 U CN214687986 U CN 214687986U CN 202120385648 U CN202120385648 U CN 202120385648U CN 214687986 U CN214687986 U CN 214687986U
Authority
CN
China
Prior art keywords
mask
positioning
ear
welding
welding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120385648.0U
Other languages
Chinese (zh)
Inventor
唐鹤然
马振尉
邓浮池
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Yihe Electronic Technology Co ltd
Original Assignee
Guangzhou Yihe Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Yihe Electronic Technology Co ltd filed Critical Guangzhou Yihe Electronic Technology Co ltd
Priority to CN202120385648.0U priority Critical patent/CN214687986U/en
Application granted granted Critical
Publication of CN214687986U publication Critical patent/CN214687986U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The utility model discloses an automatic ironing welding device of ear belt for mask machine belongs to gauze mask production apparatus technical field. The gantry type welding machine comprises a workbench, a gantry support, a driving cylinder and a welding mechanism; the worktable is provided with a sliding seat mechanism, two groups of positioning mechanisms arranged on the sliding seat mechanism and a connecting rod used for connecting the two groups of positioning mechanisms; the positioning mechanism comprises a mounting base, a mask positioning base plate and a pressing plate, wherein the mask positioning base plate and the pressing plate are mounted on the mounting base; one end of the mask positioning base plate, which is far away from the pressing plate, is provided with a trapezoidal positioning part, and the mask is sleeved on the trapezoidal positioning part; a clamping inclined plane is arranged at the bottom of one end of the pressing plate, and a mask clamping space is formed between the clamping inclined plane and the mask positioning base plate; one end of the pressing plate is provided with two U-shaped clearance grooves, the top of the pressing plate is provided with an ear belt positioning groove communicated with the U-shaped clearance grooves, and the top of the pressing plate is also provided with an ear belt clamping assembly. The utility model aims at providing an automatic boiling hot welding device in ear area for gauze mask machine for realize the ear area welding process of gauze mask.

Description

Automatic ear band hot-welding device for mask machine
Technical Field
The utility model relates to a gauze mask production apparatus technical field, concretely relates to automatic ironing welding device of ear area for gauze mask machine.
Background
The mask machine is a device which manufactures a mask with certain filtering performance by processes of hot pressing, folding and forming, ultrasonic welding, waste material cutting, ear band and nose bridge strip welding and the like of a plurality of layers of non-woven fabrics; at present, when the duckbilled mask is produced, in order to reduce the cost of production equipment, ear band welding is mostly carried out manually, an ear band rope needs to be pressed manually during welding, the mask is moved to the position below a welding mechanism for welding, and the operation has certain potential safety hazards and is low in production efficiency; in addition, the position of the mask is determined by the hand feeling of an operator, so that the problem of asymmetric position of the ear band is easily caused during welding, and the attractiveness of the mask is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic boiling hot welding device in ear area for mask machine mainly solves among the prior art lower and the easy asymmetric problem in ear area position that appears of ear area welding efficiency of gauze mask.
The utility model discloses the technical scheme who adopts: an automatic ear belt hot welding device for a mask machine comprises a workbench, a gantry support arranged on the workbench, a driving cylinder arranged on the gantry support, and a welding mechanism arranged at the output end of the driving cylinder; the welding mechanism consists of an ultrasonic generator and two welding heads vertical to the workbench, the welding heads are driven by a driving cylinder to perform lifting action, and the workbench is provided with a sliding seat mechanism, two groups of positioning mechanisms which are arranged on the sliding seat mechanism and can move towards the left and right directions of the workbench, and a connecting rod for connecting the two groups of positioning mechanisms; the positioning mechanism comprises a mounting base arranged on the sliding seat mechanism, and a mask positioning base plate and a pressing plate which are sequentially arranged on the mounting base from bottom to top; one end of the mask positioning base plate, which is far away from the pressure plate, is provided with a trapezoidal positioning part matched with the shape of the interior of the mask, and the mask is sleeved on the trapezoidal positioning part; the bottom of one end of the pressure plate, which is close to the trapezoidal positioning part, is provided with a clamping inclined plane, and a clamping space capable of clamping the edge of the opening of the mask is formed between the clamping inclined plane and the mask positioning base plate; the one end that the clamp plate is close to trapezoidal location portion is equipped with two U-shaped clearance grooves with bonding tool looks adaptation, the clamp plate top is equipped with and supplies the ear area rope to pass and top open-ended ear area constant head tank, the ear area constant head tank is linked together with U-shaped clearance groove, and the clamp plate top still is equipped with the ear area centre gripping subassembly that is used for carrying out the centre gripping to the ear area rope.
As a preferred scheme, bosses are arranged on two sides of the two ear belt positioning grooves, and a guide inclined plane is arranged on the boss between the two ear belt positioning grooves; the guide inclined plane is positioned on one side of the boss far away from the opening end of the U-shaped clearance groove. Further preferred scheme, ear area centre gripping subassembly is including setting up the fixed block and the balancing weight of rotating the connection in the fixed block upper end in clamp plate both sides, the balancing weight can be pressed on the ear area rope that passes the ear area constant head tank.
Preferably, the angle between the clamping inclined plane and the mask positioning cushion plate is 2-5 degrees, the minimum distance between the clamping inclined plane and the mask positioning cushion plate is smaller than the thickness of the mask, and the maximum distance between the clamping inclined plane and the mask positioning cushion plate is larger than the thickness of the mask.
As a preferred scheme, the sliding seat mechanism comprises two mounting seats fixedly connected to the workbench, a pair of guide rods with two ends fixedly connected to the two mounting seats, and a plurality of sliding blocks which are slidably connected to the guide rods through linear bearings and can slide along the axial direction of the guide rods; and two ends of the guide rod are provided with limiters, and the mounting base is fixedly connected to the sliding block. In a further preferred scheme, the limiting stopper is annular, the inner ring of the limiting stopper is matched with the outer diameter of the guide rod, a through hole perpendicular to the axial direction of the limiting stopper is formed in one side of the limiting stopper, and a locking handle is connected to the inner thread of the through hole. In a further preferred scheme, two ends of the connecting rod are respectively and fixedly connected to the sliding blocks corresponding to the two positioning mechanisms.
The utility model adopts the beneficial effect behind the above structure to do: by structurally designing the positioning mechanism, the ear band welding positions of each mask are consistent, so that the attractiveness of the mask can be improved; the device is provided with at least two stations, when the first station is welded, an operator can install the mask and the ear strap rope at the second station, the operator does not need to press the mask all the time, and the production safety and the production efficiency are improved; and the positioning mechanism can be automatically controlled by installing a single-cylinder, so that the production efficiency can be effectively improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a structural sectional view of a positioning mechanism in an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 labeled A;
fig. 4 is a schematic structural view of the positioning mechanism without a mask according to the embodiment of the present invention;
fig. 5 is a schematic structural view of the positioning mechanism after being mounted with the mask in the embodiment of the present invention;
fig. 6 is a schematic bottom view of the positioning mechanism according to the embodiment of the present invention.
In the figure: 1-a workbench, 2-a gantry support, 3-a driving cylinder, 4-a welding head, 5-a sliding seat mechanism, 6-a positioning mechanism, 7-a connecting rod, 8-an ear belt clamping component, 9-a mask and 10-an ear belt rope; 51-mounting seat, 52-guide rod, 53-slide block, 54-limiter and 55-locking handle; 61-mounting a base, 62-mask positioning cushion plate, 63-pressing plate, 64-trapezoidal positioning part, 65-clamping inclined plane, 66-U-shaped clearance groove, 67-ear belt positioning groove, 68-boss and 69-guide inclined plane; 81-fixed block, 82-counterweight block.
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.
The automatic ear belt ironing and welding device for the mask machine shown in the figures 1-6 comprises a workbench 1, a gantry support 2 arranged on the workbench 1, a driving cylinder 3 arranged on the gantry support 2, and a welding mechanism arranged at the output end of the driving cylinder 3; the welding mechanism is composed of an ultrasonic generator (not shown in the figure) and two welding heads 4 vertical to the workbench 1, the welding heads 4 are driven by a driving cylinder 3 to perform lifting action, and the workbench 1 is provided with a sliding seat mechanism 5, two groups of positioning mechanisms 6 which are arranged on the sliding seat mechanism 5 and can move towards the left and right directions of the workbench 1 and a connecting rod 7 for connecting the two groups of positioning mechanisms 6; the positioning mechanism 6 comprises a mounting base 61 arranged on the sliding seat mechanism 5, and a mask positioning base plate 62 and a pressing plate 63 which are sequentially arranged on the mounting base 61 from bottom to top; one end of the mask positioning backing plate 62, which is far away from the pressure plate 63, is provided with a trapezoidal positioning part 64 matched with the internal shape of the mask 9, and the mask 9 is sleeved on the trapezoidal positioning part 64; a clamping inclined surface 65 is arranged at the bottom of one end of the pressing plate 63 close to the trapezoidal positioning part 64, and a clamping space capable of clamping the opening edge of the mask 9 is formed between the clamping inclined surface 65 and the mask positioning cushion plate 62; the one end that clamp plate 63 is close to trapezoidal location portion 64 is equipped with two U-shaped clearance grooves 66 with bonding tool 4 looks adaptation, the clamp plate 63 top is equipped with and supplies the ear area rope 10 to pass and top open-ended ear area constant head tank 67, ear area constant head tank 67 is linked together with U-shaped clearance groove 66, and clamp plate 63 top still is equipped with the ear area centre gripping subassembly 8 that is used for carrying out the centre gripping to ear area rope 10. Mask location backing plate 62 and trapezoidal location portion 64 are formed by the corrosion resistant plate integrated processing who has certain thickness, the thickness of corrosion resistant plate can adopt 3mm-6mm, just so can carry out the bearing to bonding tool 4 when bonding tool 4 welds ear belt rope 10, improve the laminating degree between ear belt rope 10 and the gauze mask 9, also avoid taking place in the condition that deformation appears in mask location backing plate 62 under long-term the pressing of bonding tool 4, for the intensity that improves mask location backing plate 62, also can weld the stainless steel reinforcing plate that sets up perpendicularly and length direction extends towards trapezoidal location portion 64 direction below mask location backing plate 62.
The ultrasonic generator and the welding head 4 are common mask ear belt rope welding equipment in the prior art, and manufacturers can select the ultrasonic generators with different models and the welding head 4 matched with the ultrasonic generators according to actual production cost; by structurally designing the positioning mechanism, the positioning mechanism can effectively assist an operator in carrying out a process of welding the ear straps on the mask 9, and the overall attractiveness of the mask 9 and the accuracy of the welding position of the ear strap ropes 10 are improved; when in use, an operator sleeves the edge-sealed mask 9 (the edge-sealed mask 9 can be replaced by the mask positioning cushion plate 62 matched with the shape of the edge-sealed mask 9) on the trapezoidal positioning part 64 on the mask positioning cushion plate 62, and the upper edge of the opening of the mask 9 is clamped in the clamping space to realize the fixation of the mask 9; after the mask 9 is fixed, the two ends of the ear strap rope 10 respectively penetrate through the ear strap positioning grooves 67, the end heads of the ear strap ropes 10 are located at the specified positions, then the ear strap ropes 10 are clamped through the ear strap clamping assemblies 8, the ear strap ropes 10 are prevented from displacing, then an operator pushes the first positioning mechanism 6 to move to the position below the welding head 4, the welding head 4 is driven by the driving cylinder 3 to move downwards, and the ear strap ropes 10 are welded on the mask 9; in the welding process, an operator can install the ear belt rope 10 and the mask 9 to be welded on the second positioning mechanism 6 according to the steps so as to improve the production efficiency; after the welding is finished, an operator pushes the second positioning mechanism 6 to the position below the welding head 4 to continue welding, and the first positioning mechanism 6 moves towards the direction far away from the welding head 4 under the driving of the connecting rod 7 in the pushing process; after the pushing operation is finished, the operator can remove the mask 9 of the first positioning mechanism 6, and install the ear band rope 10 and the mask 9 which need to be welded, or weld the ear band on the other side surface of the mask 9 after turning the mask 9 for 180 degrees.
Preferably, the manufacturer can design the size of the opening edge of the U-shaped clearance groove 66 so that the operator can adjust the length of the end of the ear strap cord 10 extending out of the ear strap positioning groove 67 by using the opening edge of the U-shaped clearance groove 66 as a positioning point, for example, adjusting the end of the ear strap cord 10 to be aligned with the opening edge of the U-shaped clearance groove 66.
As a preferable scheme, bosses 68 are arranged on both sides of the two ear belt positioning grooves 67, and a guide inclined surface 69 is arranged on the boss 68 between the two ear belt positioning grooves 67; the guide inclined surface 69 is positioned on one side of the boss 68 far away from the open end of the U-shaped clearance groove 66; the lug boss 68 is arranged to increase the depth of the ear belt positioning groove 67 and prevent the ear belt rope 10 from falling off the ear belt positioning groove 67; the guide slope 69 is provided to facilitate the welded ear strap cord 10 to be pulled out of the ear strap positioning groove 67 and the ear strap holding assembly 8 along with the mask 9. In a further preferred scheme, the ear band clamping assembly 8 comprises fixing blocks 81 arranged on two sides of the pressing plate 63 and a balancing weight 82 rotatably connected to the upper end of the fixing block 81, and the balancing weight 82 can be pressed on an ear band line passing through the ear band positioning groove 67; when in use, the counterweight block 82 is only required to be directly turned over to be pressed on the ear belt rope 10, the structure is simple and effective, and the operation is very convenient; the weight block 82 can be made of stainless steel, so that the weight is large, and the clamping effect on the ear belt rope 10 is better.
Preferably, the angle between the clamping inclined surface 65 and the mask positioning cushion plate 62 is 2-5 degrees, the minimum distance between the clamping inclined surface 65 and the mask positioning cushion plate 62 is smaller than the thickness of the mask 9, and the maximum distance between the clamping inclined surface 65 and the mask positioning cushion plate 62 is larger than the thickness of the mask 9; this design can be convenient for centre gripping gauze mask 9, avoids gauze mask 9 to appear breaking away from or the phenomenon that takes place the displacement at welding/removal in-process.
Preferably, the slide mechanism 5 includes two mounting seats 51 fixedly connected to the worktable 1, a pair of guide rods 52 with both ends fixedly connected to the two mounting seats 51, and a plurality of sliders 53 slidably connected to the guide rods 52 through linear bearings and capable of sliding along the axial direction of the guide rods 52; two ends of the guide rod 52 are provided with a limiter 54, and the mounting base 61 is fixedly connected to the sliding block 53; the structure is a conventional sliding seat structure, and is simple and stable in structure and long in service life. In a further preferable scheme, the stopper 54 is annular, the inner ring of the stopper 54 is matched with the outer diameter of the guide rod 52, one side of the stopper 54 is provided with a through hole perpendicular to the axial direction of the stopper 54, and a locking handle 55 is connected with the through hole in an internal thread manner; this structure can effectively restrict the sliding position of the slider 53, so that each mask 9 stays at the optimum welding position. In a further preferred scheme, two ends of the connecting rod 7 are respectively and fixedly connected to the sliding blocks 53 corresponding to the two positioning mechanisms 6, so that the structure is the most compact, and the connecting rod 7 is convenient to mount.
Preferably, a single cylinder (not shown) is fixedly connected to the mounting seat 51, and an output end of the single cylinder is fixedly connected to one of the sliding blocks 53; the design can realize the automatic welding function of the ear belt of the mask 9, the two air inlets of the single-cylinder can realize the back-and-forth switching function of the two groups of positioning mechanisms 6 by sequentially feeding air, and an operator only needs to manually replace the mask 9 on the positioning mechanisms 6; the operator only needs to program the single cylinder and the driving cylinder 3 in the PLC or the single chip microcomputer in the prior art to realize the function of automatic welding.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims (7)

1. An automatic ear belt hot welding device for a mask machine comprises a workbench (1), a gantry support (2) arranged on the workbench (1), a driving cylinder (3) arranged on the gantry support (2), and a welding mechanism arranged at the output end of the driving cylinder (3); the welding mechanism comprises an ultrasonic generator and two welding heads (4) which are perpendicular to the workbench (1), wherein the welding heads (4) are driven by a driving cylinder (3) to move up and down, and the welding mechanism is characterized in that: the worktable (1) is provided with a sliding seat mechanism (5), two groups of positioning mechanisms (6) which are arranged on the sliding seat mechanism (5) and can move towards the left and right directions of the worktable (1), and a connecting rod (7) used for connecting the two groups of positioning mechanisms (6); the positioning mechanism (6) comprises a mounting base (61) arranged on the sliding seat mechanism (5), and a mask positioning cushion plate (62) and a pressing plate (63) which are sequentially arranged on the mounting base (61) from bottom to top; one end, far away from the pressure plate (63), of the mask positioning cushion plate (62) is provided with a trapezoidal positioning part (64) matched with the internal shape of the mask (9), and the mask (9) is sleeved on the trapezoidal positioning part (64); a clamping inclined plane (65) is arranged at the bottom of one end, close to the trapezoidal positioning part (64), of the pressing plate (63), and a clamping space capable of clamping the edge of the opening of the mask (9) is formed between the clamping inclined plane (65) and the mask positioning cushion plate (62); one end that clamp plate (63) are close to trapezoidal location portion (64) is equipped with two U-shaped clearance grooves (66) of keeping away with bonding tool (4) looks adaptation, clamp plate (63) top is equipped with and supplies ear belt rope (10) to pass and top open-ended ear belt constant head tank (67), ear belt constant head tank (67) are linked together with U-shaped clearance groove (66), and clamp plate (63) top still is equipped with and is used for carrying out ear belt centre gripping subassembly (8) of centre gripping to ear belt rope (10).
2. The automatic ear band ironing and welding device for mask machine according to claim 1, characterized in that: bosses (68) are arranged on two sides of the two ear belt positioning grooves (67), and a guide inclined surface (69) is arranged on the boss (68) between the two ear belt positioning grooves (67); the guide inclined surface (69) is positioned on one side of the boss (68) far away from the opening end of the U-shaped clearance groove (66).
3. The automatic ear band ironing and welding device for mask machine according to claim 2, characterized in that: ear area centre gripping subassembly (8) are including setting up fixed block (81) and the balancing weight (82) of rotating the connection in fixed block (81) upper end in clamp plate (63) both sides, balancing weight (82) can be pressed on ear area rope (10) of passing ear area constant head tank (67).
4. The automatic ear band ironing and welding device for mask machine according to claim 1, characterized in that: the angle between the clamping inclined plane (65) and the mask positioning cushion plate (62) is 2-5 degrees, the minimum distance between the clamping inclined plane (65) and the mask positioning cushion plate (62) is smaller than the thickness of the mask (9), and the maximum distance between the clamping inclined plane (65) and the mask positioning cushion plate (62) is larger than the thickness of the mask (9).
5. The automatic ear band ironing and welding device for mask machine according to claim 1, characterized in that: the sliding seat mechanism (5) comprises two installation seats (51) fixedly connected to the workbench (1), a pair of guide rods (52) with two ends fixedly connected to the two installation seats (51), and a plurality of sliding blocks (53) which are connected to the guide rods (52) in a sliding mode through linear bearings and can slide along the axial direction of the guide rods (52); and two ends of the guide rod (52) are provided with limiters (54), and the mounting base (61) is fixedly connected to the sliding block (53).
6. The automatic ear band ironing and welding device for mask machine according to claim 5, characterized in that: the limiting stopper (54) is annular, the inner ring of the limiting stopper (54) is matched with the outer diameter of the guide rod (52), a through hole perpendicular to the axial direction of the limiting stopper (54) is formed in one side of the limiting stopper (54), and a locking handle (55) is connected to the through hole in an internal thread mode.
7. The automatic ear band ironing and welding device for mask machine according to claim 5, characterized in that: and two ends of the connecting rod (7) are respectively and fixedly connected to the sliding blocks (53) corresponding to the two positioning mechanisms (6).
CN202120385648.0U 2021-02-22 2021-02-22 Automatic ear band hot-welding device for mask machine Expired - Fee Related CN214687986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120385648.0U CN214687986U (en) 2021-02-22 2021-02-22 Automatic ear band hot-welding device for mask machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120385648.0U CN214687986U (en) 2021-02-22 2021-02-22 Automatic ear band hot-welding device for mask machine

Publications (1)

Publication Number Publication Date
CN214687986U true CN214687986U (en) 2021-11-12

Family

ID=78567896

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120385648.0U Expired - Fee Related CN214687986U (en) 2021-02-22 2021-02-22 Automatic ear band hot-welding device for mask machine

Country Status (1)

Country Link
CN (1) CN214687986U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742340A (en) * 2022-11-15 2023-03-07 安徽金牛药械股份有限公司 Ear belt crimping and detection equipment are used in production of antibiotic C type gauze mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115742340A (en) * 2022-11-15 2023-03-07 安徽金牛药械股份有限公司 Ear belt crimping and detection equipment are used in production of antibiotic C type gauze mask
CN115742340B (en) * 2022-11-15 2023-08-25 安徽金牛药械股份有限公司 Ear strap crimping and detection equipment is used in production of antibiotic C gauze mask
WO2024103585A1 (en) * 2022-11-15 2024-05-23 安徽金牛药械股份有限公司 Ear loop crimping and detection device for antibacterial c-shaped face mask production

Similar Documents

Publication Publication Date Title
CN214687986U (en) Automatic ear band hot-welding device for mask machine
CN213673284U (en) Zinc alloy processing grinding device
CN210209399U (en) Cutting device is used in knitting needle production
CN208132390U (en) A kind of Escalator step automation deburring production line
CN217253191U (en) Novel accurate cutting of steel sheet device
CN213765158U (en) Novel double-end burr-grinding machine
CN212351409U (en) Port deburring device for production of automobile brake pipe joint
KR100908386B1 (en) Welding Bead Dressing Device
CN207915668U (en) A kind of high efficiency cutting equipment for back
CN113930960B (en) A ultrasonic wave cutting equipment for cloth
CN212468017U (en) Leather trunk production is with tailorring equipment fast
CN217572450U (en) Clamp tool suitable for polishing glass edge
CN213227632U (en) Automatic change gauze mask ear area welding machine
CN214563000U (en) Gauze mask ear area spot welder that security performance is high
CN214089144U (en) Single-station cutting device for weftless fabric
CN215748543U (en) CICc high-speed bearing channel ultra-precision grinding device
CN111778706B (en) Cutting bed cloth is led with integral type and is sent device of tailorring
CN214559733U (en) Polishing device with trimming function for machining TYPE-C shell
CN209140539U (en) Pipeline internal groove automatic machining device
CN212145041U (en) Novel welding workbench
CN208375609U (en) A kind of high boron glass pipe cutting machine
CN213437554U (en) Semi-automatic vehicle side opening machine
CN216706764U (en) Cutting device is used in mount design
CN216829115U (en) Special pre-spot welding machine for parallel seam welding
CN214624735U (en) Punching device for iron core plate of reactor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211112