CN112275904A - Light steel framework positioning and punching device for fabricated building - Google Patents

Light steel framework positioning and punching device for fabricated building Download PDF

Info

Publication number
CN112275904A
CN112275904A CN202011144210.XA CN202011144210A CN112275904A CN 112275904 A CN112275904 A CN 112275904A CN 202011144210 A CN202011144210 A CN 202011144210A CN 112275904 A CN112275904 A CN 112275904A
Authority
CN
China
Prior art keywords
conveying
fixedly connected
side wall
light steel
steel framework
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.)
Withdrawn
Application number
CN202011144210.XA
Other languages
Chinese (zh)
Inventor
张爱丽
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011144210.XA priority Critical patent/CN112275904A/en
Publication of CN112275904A publication Critical patent/CN112275904A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/021Control or correction devices in association with moving strips
    • B21D43/023Centering devices, e.g. edge guiding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/12Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses an assembly type building light steel framework positioning and punching device which comprises a conveying table, wherein a conveying groove is formed in the conveying table, a conveying mechanism is arranged in the conveying groove, guide retaining strips are arranged on two sides of the conveying groove, a guide positioning mechanism is arranged on the guide retaining strips, two supporting plates are fixedly connected to the conveying table, supporting shafts are fixedly connected to the side walls of the supporting plates, the supporting shafts are rotatably connected with a rotating disc, a cavity is formed in the rotating disc, a plurality of threaded openings are formed in the outer side wall of the rotating disc, drilling assemblies are connected to the threaded openings in a threaded mode, a motor is arranged on the side wall of the conveying table. According to the invention, the light steel framework is conveyed by the conveying belt arranged on the conveying table, and during conveying, the light steel framework is guided and positioned under the action of the arc-shaped retaining strips and the guide retaining strips arranged on the two sides of the conveying belt, so that the light steel framework can be ensured to be positioned at the same position during drilling, manual adjustment and positioning are not needed, and the processing efficiency is improved.

Description

Light steel framework positioning and punching device for fabricated building
Technical Field
The invention relates to the technical field of building steel punching equipment, in particular to an assembly type building light steel framework positioning and punching device.
Background
The assembly type building is characterized in that a large amount of field operations in the traditional building mode are transferred to a factory for carrying out, components and accessories for the building are processed and manufactured in advance in the factory, and the components and the accessories are assembled and installed together on the site in a reliable connection mode after being transported to a building construction site; the light steel keel is a metal framework for buildings, which is formed by rolling a high-quality continuous hot-galvanized plate strip serving as a raw material through a cold bending process, and is used for modeling and decorating non-bearing walls and building roofs with light plates such as paper-faced gypsum boards, decorative gypsum boards and the like as veneers; it is suitable for the modeling decoration of various building roofs, the internal and external walls of buildings and the basic material of a shed frame type suspended ceiling.
Present building skeleton adds man-hour, place equipment department through the manual work, fix a position through positioner, rethread punching equipment carries out drilling treatment, after the drilling treatment of accomplishing a department, need the manual work to adjust building skeleton's position, fix a position through positioner again, carry out drilling treatment once more, add man-hour in drilling a building skeleton, need advance many times and fix a position, and adjusting position, make machining efficiency very low, through observing the discovery, building skeleton assembles in order to make things convenient for, the position and the distance relatively fixed of its trompil, avoid the condition of inconvenient assembly to take place, for this reason, an assembly type structure light steel skeleton location punching device is proposed now, it can realize automatic positioning and automatic drilling, effectively improve drilling efficiency.
Disclosure of Invention
The invention aims to solve the defects that the existing building framework needs to be positioned for multiple times and the position needs to be adjusted when drilling and machining are carried out, so that the machining efficiency is very low, and the defects that the building framework is convenient to assemble, the position and the distance of an opening of the building framework are relatively fixed, and the condition of inconvenient assembly is avoided are observed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an assembly type structure light steel skeleton location punching device, includes carries the platform, carry the bench conveyer trough of having seted up, be provided with conveying mechanism in the conveyer trough, the conveyer trough both sides are provided with the guide blend stop, be provided with guide positioning mechanism on the guide blend stop, carry two backup pads of bench fixedly connected with, backup pad lateral wall fixedly connected with back shaft, the back shaft rotates and is connected with the rotary disk, the cavity has been seted up in the rotary disk, a plurality of screw threads have been seted up on the rotary disk lateral wall, screw thread threaded connection has drilling assembly, carry a lateral wall to be provided with the motor, the motor output is provided with drive mechanism.
Preferably, conveying mechanism is including setting up two transport axles in the conveyer trough, carry an lateral wall fixedly connected with driving pulley, two driving pulley is connected with the conveyer belt jointly, the conveyer belt lateral wall evenly is provided with two rows of cushion blocks.
Preferably, the guiding and positioning mechanism comprises an arc-shaped barrier strip connected with the end of the guiding barrier strip, a plurality of rectangular grooves are formed in the side wall of the arc-shaped barrier strip, fixed shafts are fixedly connected in the rectangular grooves, and guiding rollers are rotatably connected to the outer side wall of each fixed shaft.
Preferably, a plurality of threaded holes penetrating through the side wall are formed in the guide barrier strip, the threaded holes are in threaded connection with adjusting columns, and adjustable positioning blocks are fixedly connected to the end portions of the adjusting columns.
Preferably, the drilling subassembly includes the spliced pole of removable connection with screw thread threaded connection, set up the removal mouth that runs through the lateral wall on the spliced pole of removable connection, lateral wall sliding connection has the awl of punching a hole in the removal mouth, awl one end fixedly connected with arc briquetting punches a hole, the answer spring and the spliced pole end connection on the awl lateral wall of punching a hole are established through the cover to the arc briquetting, the supporting axle tip runs through to in the cavity to fixedly connected with pneumatic cylinder, pneumatic cylinder output fixedly connected with is the impact block that the arc set up.
Preferably, drive mechanism includes the drive sprocket of fixed connection at the motor output, the solid fixed ring of rotary disk lateral wall fixedly connected with, the fixed ring lateral wall fixedly connected with drive ring, the meshing of drive ring is connected with drive gear, drive gear fixedly connected with transmission shaft, outside extension of backup pad lateral wall is run through to transmission shaft one end to fixedly connected with rotating sprocket, drive sprocket passes through the chain with rotating sprocket and is connected.
Preferably, the end part of the conveying shaft on one side of the rotating disc penetrates through the side wall of the conveying table to extend outwards and is fixedly connected with the end part of the output end of the motor.
Preferably, the side wall of the conveying table is provided with a fixed seat, and the motor is arranged on the fixed seat.
Compared with the prior art, the invention has the beneficial effects that:
1. carry the conveyer belt of bench to light steel skeleton through setting up, when carrying, can guide the location to light steel skeleton under the effect of arc blend stop and the guide blend stop of setting in the conveyer belt both sides, guarantee that it can guarantee to be in same position when drilling to need not the manual work and adjust the location, accelerate machining efficiency.
2. When the conveyer belt transports light steel skeleton, at motor drive, drive sprocket, rotatory sprocket, the transmission shaft, under the effect of drive gear and drive ring gear, make solid fixed ring drive the rotary disk and rotate, the drilling subassembly that sets up on the rotary disk can remove the rotary disk bottom in proper order, at the pneumatic cylinder, under the effect of impact block and arc briquetting, through the drilling processing of the awl realization to light steel skeleton that punches a hole, through adjusting the position of drilling subassembly on the rotary disk, thereby adjust the distance of drilling on the light steel skeleton, thereby guarantee when light steel skeleton is assembling, can standardize.
Drawings
FIG. 1 is a schematic structural diagram of an assembly type building light steel framework positioning and punching device provided by the invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a side face of the positioning and punching device for the light steel framework of the fabricated building, which is provided by the invention;
fig. 4 is an enlarged schematic view of a portion B in fig. 3.
In the figure: the automatic punching machine comprises a conveying table 1, a guide barrier strip 2, a support plate 3, a support shaft 4, a rotating disc 5, a threaded opening 6, a motor 7, a conveying shaft 8, a transmission belt wheel 9, a conveying belt 10, a cushion block 11, an arc barrier strip 12, a guide roller 13, an adjusting column 14, an adjustable positioning block 15, a detachable connecting column 16, a punching cone 17, an arc pressing block 18, a hydraulic cylinder 19, an impact block 20, a transmission chain wheel 21, a fixing ring 22, a transmission gear 23, a rotating chain wheel 24, a transmission shaft 25 and a transmission toothed ring 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an assembly type structure light steel skeleton location punching device, including carrying platform 1, the conveyer trough has been seted up on carrying platform 1, be provided with conveying mechanism in the conveyer trough, furthermore, conveying mechanism is including setting up two transport axle 8 in the conveyer trough, carry axle 8 and conveyer trough inside wall transport axle 8 lateral wall fixedly connected with driving pulley 9, two driving pulley 9 are connected with conveyer belt 10 jointly, the conveyer belt 10 lateral wall evenly is provided with two rows of cushion 11, realize will building skeleton can be lifted by the cushion 11 that sets up on conveyer belt 10 in the transmission course through setting up cushion 11, thereby guarantee when holing through strikeing awl 17, can not cause the damage to conveyer belt 10, and can guarantee easy trompil to building skeleton.
The two sides of the conveying groove are provided with guide barrier strips 2, the guide barrier strips 2 are provided with guide positioning mechanisms, furthermore, the guide positioning mechanisms comprise arc barrier strips 12 connected with the end parts of the guide barrier strips 2, the side walls of the arc barrier strips 12 are provided with a plurality of rectangular grooves, fixed shafts are fixedly connected in the rectangular grooves, the outer side walls of the fixed shafts are rotatably connected with guide rollers 13, friction is reduced by arranging the guide rollers 13, and angle adjustment of the light steel framework is guaranteed; still further, offer a plurality of screw holes that run through the lateral wall on the guide blend stop 2, screw hole threaded connection has the regulation post 14, and 14 one end of regulation post is provided with the knob, conveniently rotates regulation post 14, and the adjustable locating piece 15 of 14 end fixedly connected with of regulation post through setting up adjustable locating piece 15 and adjusting the position of adjustable locating piece 15 according to the light steel skeleton of equidimension, the assurance is to the location of light steel skeleton.
The conveying table 1 is fixedly connected with two supporting plates 3, the side walls of the supporting plates 3 are fixedly connected with a supporting shaft 4, the supporting shaft 4 is rotatably connected with a rotating disc 5, a cavity is formed in the rotating disc 5, the outer side wall of the rotating disc 5 is provided with a plurality of threaded openings 6, the threaded openings 6 are in threaded connection with drilling components, the threaded openings 6 formed in the rotating disc 5 can be provided with a plurality of threaded openings, the drilling components can be arranged in the threaded openings 6 according to specific needs, so that the consistency of drilling distances is ensured, further, the drilling components comprise detachable connecting columns 16 in threaded connection with the threaded openings 6, the detachable connecting columns 16 are provided with moving openings penetrating through the side walls, the inner side walls of the moving openings are in sliding connection with punching cones 17, one ends of the punching cones 17 are fixedly connected with arc-shaped pressing blocks 18, the arc-shaped pressing, 4 tip of back shaft run through to the cavity in to fixedly connected with pneumatic cylinder 19, pneumatic cylinder 19 are prior art, do not describe here any more, and pneumatic cylinder 19 output end fixedly connected with is the impact piece 20 of arc setting, impact piece 20 and with arc briquetting 18 between looks adaptation, when strikeing the contact, can realize relative slip.
The side wall of the conveying table 1 is provided with a motor 7, the motor 7 is the prior art and is not described herein, and the output end of the motor 7 is provided with a transmission mechanism; further, drive mechanism includes fixed connection at the drive sprocket 21 of 7 output ends of motor, the solid fixed ring 22 of 5 lateral walls fixedly connected with of rotary disk, gu fixed ring 22 lateral wall fixedly connected with drive ring 26, drive ring 26 meshing is connected with drive gear 23, drive gear 23 fixedly connected with transmission shaft 25, 3 lateral walls of backup pad are run through to transmission shaft 25 one end and outwards extend, and fixedly connected with rotating sprocket 24, realize rotating through first bearing between transmission shaft 25 and the backup pad 3 run-through mouth and be connected, drive sprocket 21 passes through the chain with rotating sprocket 24 and is connected.
Further, 8 tip of carrying axle that lie in rotary disk 5 one side run through and carry 1 lateral wall of platform and outwards extend to with 7 output end fixed connection of motor, carry 1 lateral wall of platform to be provided with the fixing base, motor 7 sets up on the fixing base, supports motor 7 through the fixing base and operates.
When the building framework is machined, the building framework is equidistantly transmitted to the conveying belt 10 on the conveying table 1 through the conveying belt, when the motor 7 is started, the motor 7 can drive the conveying shaft 8 connected with the motor to rotate, the conveying shaft 8 can drive the conveying belt 10 to transmit through the driving belt wheel 9, the building framework can be driven by the conveying belt 10 to be transported, when the building framework deviates, the guiding roller 13 arranged on the arc-shaped barrier strip 12 at one end of the building framework can guide the deviated building framework, the building framework is transmitted on the conveying belt 10 at a preset angle by adjusting the position, and the building framework can be lifted by the cushion block 11 arranged on the conveying belt 10 in the transmission process, so that the conveying belt 10 cannot be damaged when the hole is drilled through the impact cone 17, and the building framework can be drilled easily;
when the building framework is driven to move to the rotating disc 5, the output end of the motor 7 rotates to drive the transmission chain wheel 21 to rotate, the transmission chain wheel 21 drives the rotating chain wheel 24 to rotate through a chain, the rotating chain wheel 24 drives the transmission gear 23 to rotate through the transmission shaft 25, the transmission gear 23 drives the transmission toothed ring 26 in meshed connection with the transmission chain wheel to rotate, when the transmission toothed ring 26 rotates, the rotating disc 5 connected with the transmission chain wheel through the fixing ring 22 can rotate, and when the rotating disc 5 rotates, the drilling assembly arranged on the rotating disc 5 can move along with the rotation;
rotary disk 5 is when carrying out the rotation, conveyer belt 10 moves building skeleton in the area of driving, make drilling distance between the two keep unanimous, through adjusting 19 the activation time of pneumatic cylinder, when rotary disk 5 drives drilling subassembly and removes the bottom, pneumatic cylinder 19 starts, 19 output of pneumatic cylinder drives impact block 20 and moves down fast, impact block 20 moves down can be hit and is beaten on arc briquetting 18, make arc briquetting 18 drive impact awl 17 fast and move down, impact awl 17 can be quick and be located the building skeleton on conveyer belt 10 and carry out the trompil, arc briquetting 18 can realize the recovery under the effect of conflict spring fast after accomplishing the trompil, make impact awl 17 withdraw, the realization is handled the drilling of building skeleton.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. An assembly type positioning and punching device for a light steel framework of a building comprises a conveying platform (1), it is characterized in that the conveying table (1) is provided with a conveying groove, a conveying mechanism is arranged in the conveying groove, guide barrier strips (2) are arranged on two sides of the conveying groove, a guide positioning mechanism is arranged on the guide barrier strips (2), two supporting plates (3) are fixedly connected on the conveying table (1), supporting shafts (4) are fixedly connected on the side walls of the supporting plates (3), the supporting shaft (4) is rotatably connected with a rotating disc (5), a cavity is formed in the rotating disc (5), a plurality of threaded openings (6) are formed in the outer side wall of the rotating disc (5), the threaded openings (6) are in threaded connection with a drilling assembly, the conveying table is characterized in that a motor (7) is arranged on the side wall of the conveying table (1), and a transmission mechanism is arranged at the output end of the motor (7).
2. The assembly type building light steel framework positioning and punching device according to claim 1, characterized in that the conveying mechanism comprises two conveying shafts (8) arranged in the conveying trough, the outer side walls of the conveying shafts (8) are fixedly connected with driving belt wheels (9), the two driving belt wheels (9) are commonly connected with a conveying belt (10), and two rows of cushion blocks (11) are uniformly arranged on the outer side walls of the conveying belt (10).
3. The assembly type light steel framework positioning and punching device for the building as recited in claim 1, wherein the guiding and positioning mechanism comprises an arc-shaped barrier strip (12) connected with the end of the guiding barrier strip (2), a plurality of rectangular grooves are formed in the side wall of the arc-shaped barrier strip (12), a fixed shaft is fixedly connected in the rectangular grooves, and a guiding roller (13) is rotatably connected to the outer side wall of the fixed shaft.
4. The assembly type light steel framework positioning and punching device for the building as recited in claim 1, wherein a plurality of threaded holes penetrating through the side wall are formed in the guide barrier strip (2), the threaded holes are in threaded connection with adjusting columns (14), and adjustable positioning blocks (15) are fixedly connected to the ends of the adjusting columns (14).
5. The assembly type light steel framework positioning and punching device for building as claimed in claim 1, wherein the drilling assembly comprises a detachable connection column (16) in threaded connection with a threaded opening (6), a moving opening penetrating through the side wall is formed in the detachable connection column (16), a punching cone (17) is slidably connected to the inner side wall of the moving opening, an arc-shaped pressing block (18) is fixedly connected to one end of the punching cone (17), the arc-shaped pressing block (18) is connected with the end portion of the detachable connection column (16) through a return spring sleeved on the outer side wall of the punching cone (17), the end portion of the support shaft (4) penetrates into the cavity, a hydraulic cylinder (19) is fixedly connected with an impact block (20) arranged in an arc shape, and the output end of the hydraulic cylinder (19) is fixedly connected with.
6. The assembly type building light steel framework positioning and punching device according to claim 1, characterized in that the transmission mechanism comprises a transmission chain wheel (21) fixedly connected to the output end of the motor (7), a fixed ring (22) is fixedly connected to the side wall of the rotating disk (5), a transmission gear ring (26) is fixedly connected to the side wall of the fixed ring (22), the transmission gear ring (26) is engaged with a transmission gear (23), the transmission gear (23) is fixedly connected with a transmission shaft (25), one end of the transmission shaft (25) extends outwards through the side wall of the supporting plate (3) and is fixedly connected with a rotating chain wheel (24), and the transmission chain wheel (21) is connected with the rotating chain wheel (24) through a chain.
7. The assembly type building light steel framework positioning and punching device as claimed in claim 2, characterized in that the end of the conveying shaft (8) on one side of the rotating disc (5) extends outwards through the side wall of the conveying table (1) and is fixedly connected with the output end of the motor (7).
8. The assembly type building light steel framework positioning and punching device according to claim 1, characterized in that a fixed seat is arranged on the side wall of the conveying table (1), and the motor (7) is arranged on the fixed seat.
CN202011144210.XA 2020-10-23 2020-10-23 Light steel framework positioning and punching device for fabricated building Withdrawn CN112275904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011144210.XA CN112275904A (en) 2020-10-23 2020-10-23 Light steel framework positioning and punching device for fabricated building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011144210.XA CN112275904A (en) 2020-10-23 2020-10-23 Light steel framework positioning and punching device for fabricated building

Publications (1)

Publication Number Publication Date
CN112275904A true CN112275904A (en) 2021-01-29

Family

ID=74423691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011144210.XA Withdrawn CN112275904A (en) 2020-10-23 2020-10-23 Light steel framework positioning and punching device for fabricated building

Country Status (1)

Country Link
CN (1) CN112275904A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116851548A (en) * 2023-09-04 2023-10-10 山西七建集团有限公司 Positioning and punching device for light steel framework of assembled building

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116851548A (en) * 2023-09-04 2023-10-10 山西七建集团有限公司 Positioning and punching device for light steel framework of assembled building
CN116851548B (en) * 2023-09-04 2023-11-24 山西七建集团有限公司 Positioning and punching device for light steel framework of assembled building

Similar Documents

Publication Publication Date Title
CN112275904A (en) Light steel framework positioning and punching device for fabricated building
CN111331171B (en) Radial drill for civil air defense door
CN205129370U (en) Cutting of rotation tubular product and numerical control unit of processing
CN215879476U (en) Punching device suitable for multi-size pipe fittings
CN211386988U (en) Drilling equipment is used in tubular product processing
CN206343657U (en) A kind of Multistation drilling machine
CN113857858B (en) Automatic production line for aluminum shutters
CN210789385U (en) Automatic processing device for boiler barrel groove
CN201300159Y (en) Double-carrier-roller rolling machine
CN210996842U (en) Sawing machine with feeding device
CN113798415A (en) Water conservancy construction reinforcing bar cutting device
JPS6478718A (en) Rolling band saw cutting device
CN109290373B (en) Numerical control rolling mill
CN113231690A (en) Processing equipment of aluminum alloy section for doors and windows with energy-saving effect
CN112475593A (en) Laser processing platform convenient to processing
CN207288739U (en) A kind of construction bar cropper
CN207888155U (en) A kind of aluminium profiles plate edge knurling machine
CN221717173U (en) Building board perforating device
CN216578098U (en) Jig saw light guide plate device
CN219358115U (en) Axle material guiding mechanism
CN218983693U (en) Hot riveting welding device for steel structure machining
CN221415700U (en) Automatic clamping lifting device for tooth-forming and strip-penetrating integrated machine
CN216705601U (en) Automatic device of taking lead of seamless bearing steel pipe
CN219946599U (en) A peeler for wood working
CN217223608U (en) Improved numerically controlled lathe

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210129