CN117583443B - Special-shaped highway guardrail compression molding equipment - Google Patents
Special-shaped highway guardrail compression molding equipment Download PDFInfo
- Publication number
- CN117583443B CN117583443B CN202410069426.6A CN202410069426A CN117583443B CN 117583443 B CN117583443 B CN 117583443B CN 202410069426 A CN202410069426 A CN 202410069426A CN 117583443 B CN117583443 B CN 117583443B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- guardrail
- forming
- plate
- joint type
- 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
- 238000000748 compression moulding Methods 0.000 title claims abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 67
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 67
- 241001330002 Bambuseae Species 0.000 claims description 67
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 67
- 239000011425 bamboo Substances 0.000 claims description 67
- 238000003825 pressing Methods 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 44
- 238000005096 rolling process Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 25
- 239000010959 steel Substances 0.000 description 25
- 238000007493 shaping process Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 230000002159 abnormal effect Effects 0.000 description 8
- 230000007306 turnover Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
- B21D9/03—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/08—Bending tubes using mandrels or the like in press brakes or between rams and anvils or abutments; Pliers with forming dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention belongs to the technical field of compression molding processing, in particular to special-shaped highway guardrail compression molding equipment, which aims at solving the problem that cavity deformation and guardrail damage caused by guardrail pressurization. The special-shaped highway guardrail is processed in a rolling mode, when the special-specification bent guardrail is needed, the bending forming assembly can be used for bending the special-shaped guardrail, the shape of the special-shaped guardrail can be effectively ensured during processing, and the damage to the shape of the guardrail caused by bending operation is avoided, so that the subsequent combined installation is influenced.
Description
Technical Field
The invention relates to the technical field of compression molding equipment, in particular to special-shaped highway guardrail compression molding equipment.
Background
The highway guardrail is called highway crash barrier, is the most important traffic infrastructure, is important maintenance and safety guarantee facility of highway, and its material includes low-carbon steel wire, galvanized wire, stainless steel wire, almag silk and plastic spraying, has corrosion-resistant, pleasing to the eye, equipment nimble, durable and effectively play the characteristics of protection.
The highway guardrail is processed into the tubular of cavity often, and the cavity adopts special-shaped structure generally, can effectually improve the whole of guardrail like this and support and crashproof effect, and the present dysmorphism highway guardrail processing adopts roll forming's mode more, and highway has crooked highway section, in order to accord with the installation conditions on highway, need press bending to handle it after dysmorphism guardrail shaping, directly exert pressure the guardrail can lead to the cavity to warp, destroys the dysmorphism structure of guardrail.
Disclosure of Invention
The invention discloses special-shaped highway guardrail compression molding equipment, and aims to solve the technical problem that a cavity is deformed and a special-shaped structure of a guardrail is damaged due to guardrail compression in the background art.
The invention provides special-shaped highway guardrail compression molding equipment which comprises a molding table, wherein one side of the molding table is provided with a conveying table, the upper side of the conveying table is fixedly connected with a table plate, two symmetrical round holes are formed in the table plate, rotating shafts are movably connected to the inside of the round holes, conveying rollers are fixedly connected to the outside of the two rotating shafts, traction gears are fixedly connected to the lower ends of the two rotating shafts, the two traction gears are meshed with each other, a conveying motor is fixedly connected to the lower side of the conveying table, the output end of the conveying motor is connected with a short shaft through a coupling, the other end of the short shaft is fixedly connected with one traction gear, one side, far away from the molding table, of the conveying table is provided with a discharging table, one side of the discharging table is provided with a side table, and press bending molding assemblies are arranged on the discharging table and the side table.
Through being provided with shaping platform, delivery table, platen, conveying roller, traction gear, conveying motor, ejection of compact platform, side platform and bending forming assembly, the device adopts rolling mode processing abnormal shape highway guardrail, and when the crooked guardrail of special specification is needed, bending forming assembly can press bending to the abnormal shape guardrail, can effectively guarantee the shape of abnormal shape guardrail during the processing, avoids bending operation to lead to guardrail shape impaired, influences subsequent composite installation.
In a preferred scheme, the press bending forming assembly comprises a plurality of bamboo joint type front plates and bamboo joint type rear plates, round holes are formed in two sides of the bamboo joint type front plates and the bamboo joint type rear plates, outer attaching rollers are movably connected in the round holes, two symmetrical attaching sockets are fixedly connected to two sides of the bamboo joint type front plates, two symmetrical attaching sleeve seats are fixedly connected to two sides of the bamboo joint type rear plates, and the same deflection shaft is movably connected between each two adjacent attaching sleeve seats and each attaching socket; the device comprises a plurality of bamboo joint type front plates and bamboo joint type rear plates, wherein the bamboo joint type front plates and the bamboo joint type rear plates are arranged alternately, the bamboo joint type front plates and the bamboo joint type rear plates are located above a discharging table, a plurality of equidistant side pressure seats are arranged on the sides of the bamboo joint type front plates and the bamboo joint type rear plates, a pressing roller is movably connected to one side, close to the bamboo joint type front plates and the bamboo joint type rear plates, of the side pressure seats, a plurality of equidistant radian adjusting type hydraulic cylinders are fixedly connected to one side, close to the discharging table, of the side pressure seats, and the telescopic ends of the radian adjusting type hydraulic cylinders are fixedly connected with the side pressure seats respectively.
The bending forming assembly is arranged and pushes the guardrail from the outer side of the conveyed guardrail, so that the guardrail is bent into a required radian, and the bamboo joint type front plate and the bamboo joint type rear plate effectively support the guardrail in the guardrail during bending, so that deformation of a special-shaped inner cavity of the guardrail caused by bending is avoided, and subsequent installation of the guardrail is influenced; the radian of the formed guardrail is limited by a plurality of radian adjusting hydraulic cylinders, so that the guardrail is convenient to adapt to the bending processing operation of guardrails with different radian specifications; the bamboo joint type front plate and the bamboo joint type rear plate which can be adjusted by self can adapt to the internal supporting requirements of guardrails with different radians, and the shape of the special-shaped inner cavity in the bending process of the guardrails is guaranteed.
In a preferred scheme, two symmetrical upper seats are fixedly connected to the upper side of the forming table, two symmetrical portal frames are fixedly connected to the upper sides of the two upper seats, and the same top seat is fixedly connected to the upper ends of the four portal frames; the upper side fixedly connected with of shaping platform adds the location seat, and two upper seats are the symmetric distribution to add the both sides of location seat, add one side fixedly connected with die sleeve that is close to the transport platform on the location seat of aggravating, fixedly connected with connection platform on the die sleeve, fixedly connected with between the other end of connection platform and the bamboo joint front bezel, and the top of shaping platform is provided with guardrail shaping subassembly.
The die sleeve and the connecting table are arranged, and the process of rolling the steel plate into the special-shaped guardrail is performed outside the die sleeve, so that the formed inner cavity of the guardrail meets the special-shaped specification; the connecting table is connected with the die sleeve, the bamboo joint type front plate and the bamboo joint type rear plate, and the bamboo joint type front plate and the bamboo joint type rear plate after the special-shaped guardrail is formed can be supported in the inner cavity of the guardrail.
In a preferred scheme, the guardrail forming assembly comprises a middle plate, two symmetrical mounting grooves are formed in the lower side of a top seat, a pressing forming hydraulic cylinder is fixedly connected to the inner parts of the two mounting grooves, the telescopic ends of the two pressing forming hydraulic cylinders are fixedly connected with the upper side of the middle plate, two symmetrical frame platforms are fixedly connected to the lower side of the middle plate, the same pressing forming plate is fixedly connected to the lower side of the two frame platforms, and the pressing forming plate is located right above a die sleeve; rectangular mounting grooves are formed in two sides of the lower pressing forming plate, symmetrical turnover forming plates are movably connected in the two rectangular mounting grooves, a plurality of symmetrical side group platforms are fixedly connected to the upper side of the middle plate, a supporting rod is fixedly connected to one side, far away from the middle plate, of each side group platform, a movable position rod is movably connected to the front end of each supporting rod, a reset spring is fixedly connected to the front end of each movable position rod, and the reset springs on the movable position rods on the same side are fixedly connected with the turnover forming plates on the same side; the top of putting the board in is provided with the lifter plate, put the upside fixedly connected with side pressure shaping type pneumatic cylinder of board in, the flexible end of side pressure shaping type pneumatic cylinder and the downside fixed connection of lifter plate, and four two liang of symmetrical depression bars of downside fixedly connected with of lifter plate, the equal fixedly connected with seat of lower extreme of depression bar, two seats that are located the homonymy are symmetrical distribution, the equal swing joint in opposite side has side pressure cylinder on two seats that are located the homonymy, side pressure cylinder and the outer wall contact of the upset shaping board of homonymy.
The guardrail forming assembly is arranged, and the steel plates are respectively rolled and attached to the upper end and the two sides of the die sleeve by utilizing the middle plate and the two overturning forming plates, so that the special-shaped guardrail is formed, the process is continuous, manual operation is not needed, and the assembly line processing of the special-shaped guardrail is adapted; the rolling process adopts a sectional rolling processing mode of the top, the side surface and the bottom, so that the attaching effect of the steel plate and the outer wall of the die sleeve can be improved, and the overall quality of the guardrail after being molded is improved; the reset spring can assist in overturning the forming plate to reset, and smoothness of repeated machining operation of the device is guaranteed.
In a preferred scheme, a rectangular groove is formed in the upper side of the forming table, an upper press forming plate is arranged in the rectangular groove, the upper press forming plate is located right below the die sleeve, two symmetrical rectangular mounting grooves are formed in the rectangular groove of the forming table, upper press forming hydraulic cylinders are fixedly connected to the inner parts of the two rectangular mounting grooves, and the telescopic ends of the two upper press forming hydraulic cylinders are fixedly connected with the lower side of the upper press forming plate; two the spout has all been seted up to one side that is relative on the seat of putting on, the inside of spout all is provided with electronic slide rail, the equal swing joint in inside of two spouts has the motor cabinet, equal fixedly connected with driving motor on the motor cabinet, driving motor's output all has the minor axis through the coupling joint, the equal fixedly connected with cutting knife of the other end of minor axis, and the outside swing joint who aggravates the retainer seat has the drawing of patterns push pedal, the laminating of drawing of patterns push pedal and the outer wall of die sleeve, the threaded hole is seted up on the drawing of patterns push pedal, the upside that aggravates the retainer seat is fluted, it has the round hole to weigh to set up on the retainer seat, the inside of round hole intercommunication recess, the outside fixedly connected with reverse motor who aggravates the retainer seat, reverse motor's output has the lead screw through the coupling joint, the other end of lead screw passes the round hole that aggravates the retainer seat and the screw hole of drawing of patterns push pedal and one side inner wall swing joint of recess, pass through inner wall screw threaded connection between lead screw and the screw of drawing of patterns push pedal.
Therefore, the special-shaped highway guardrail press forming equipment provided by the invention has the advantages that the special-shaped highway guardrail is processed in a rolling mode, when the special-specification bent guardrail is needed, the special-shaped guardrail can be subjected to bending processing by the bending forming assembly, the shape of the special-shaped guardrail can be effectively ensured during processing, and the damage to the guardrail shape caused by bending operation is avoided, so that the subsequent combined installation is influenced.
Drawings
Fig. 1 is a schematic diagram of the whole structure of the special-shaped highway guardrail compression molding equipment provided by the invention;
Fig. 2 is a schematic diagram of a press bending forming assembly of the special-shaped highway guardrail press forming device provided by the invention;
Fig. 3 is a schematic diagram of a conveying table of the special-shaped highway guardrail compression molding equipment provided by the invention;
Fig. 4 is a schematic diagram of a bamboo joint type front plate and a bamboo joint type rear plate of the special-shaped highway guardrail compression molding device provided by the invention;
Fig. 5 is a schematic diagram of a side view of a molding table of the special-shaped highway guardrail compression molding device provided by the invention;
FIG. 6 is a schematic diagram showing the sectional structure of a forming table of the special-shaped highway guardrail press forming device;
FIG. 7 is a schematic view of the structure of a weighted retention seat of the special-shaped highway guardrail press forming device;
fig. 8 is a schematic diagram of a guardrail forming assembly of the special-shaped highway guardrail pressing forming device provided by the invention.
In the figure: 1. a forming table; 2. a conveying table; 3. a platen; 4. a conveying roller; 5. a traction gear; 6. a conveying motor; 7. a discharging table; 8. a side table; 9. a press bending forming assembly; 901. bamboo joint type front plate; 902. bamboo joint type back plate; 903. an outer roller; 904. an attached socket; 905. attaching a sleeve seat; 906. a deflection shaft; 907. a side pressing seat; 908. a pressurizing roller; 909. radian adjusting hydraulic cylinder; 10. an upper seat; 11. a portal frame; 12. a top base; 13. a weight retention seat; 14. a die sleeve; 15. a connection station; 16. a guardrail forming assembly; 1601. a middle plate; 1602. a pressing-down forming hydraulic cylinder; 1603. a frame; 1604. pressing down the forming plate; 1605. turning over the forming plate; 1606. an edge group table; 1607. a support rod; 1608. a movable rod; 1609. a return spring; 1610. a lifting plate; 1611. a side pressure forming type hydraulic cylinder; 1612. a compression bar; 1613. a connecting seat; 1614. a side pressure roller; 17. pressing the forming plate; 18. an upward pressing forming type hydraulic cylinder; 19. a motor base; 20. a driving motor; 21. a cutting knife; 22. demoulding pushing plate; 23. a reversing motor; 24. and (5) a screw rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The special-shaped highway guardrail compression molding equipment disclosed by the invention is mainly applied to the scene that the cavity is deformed and the special-shaped structure of the guardrail is damaged when the guardrail is pressed.
Referring to fig. 1 to 8, the special-shaped highway guardrail compression molding equipment of the invention comprises a molding table 1, wherein one side of the molding table 1 is provided with a conveying table 2, the upper side of the conveying table 2 is connected with a table plate 3 through bolts, two symmetrical round holes are formed in the table plate 3, the interiors of the round holes are respectively connected with rotating shafts through bearings in a rotating way, the exteriors of the two rotating shafts are respectively connected with a conveying roller 4 through bolts, the lower ends of the two rotating shafts are respectively connected with a traction gear 5 through bolts, the two traction gears 5 are meshed with each other, the lower side of the conveying table 2 is connected with a conveying motor 6 through bolts, the output end of the conveying motor 6 is connected with a short shaft through a coupler, the other end of the short shaft is connected with one traction gear 5 through bolts, one side of the conveying table 2, which is far away from the molding table 1, one side of the discharging table 7 is provided with a side table 8, and the side table 7 and the side table 8 are provided with a press bending molding assembly 9.
Specifically, a steel plate with uniform specification is placed on a forming table 1 to be rolled into a special-shaped guardrail, then the guardrail is transferred to a position of a conveying table 2, a conveying motor 6 drives two traction gears 5 to be meshed in a rotating mode, a conveying roller 4 pushes the guardrail forwards, when the guardrail needs to be subjected to bending operation, a bending forming assembly 9 is adjusted in advance, and when the conveying roller 4 pushes the guardrail to a discharging table 7, the bending forming assembly 9 bends the guardrail into a required radian; the device adopts rolling mode processing abnormal shape highway guardrail, and when the crooked guardrail of special specification is needed, the shaping subassembly 9 of bending can press the bending to the abnormal shape guardrail, can effectively guarantee the shape of abnormal shape guardrail during the processing, avoids the bending operation to lead to the guardrail shape impaired, influences subsequent combination installation.
Referring to fig. 1,2,3 and 4, the press bending forming assembly 9 includes a plurality of bamboo-type front plates 901 and bamboo-type rear plates 902, circular holes are formed in two sides of the bamboo-type front plates 901 and the bamboo-type rear plates 902, outer rollers 903 are rotatably connected in the circular holes through bearings, two symmetrical auxiliary sockets 904 are connected to two sides of the bamboo-type front plates 901 through bolts, two symmetrical auxiliary sleeve seats 905 are connected to two sides of the bamboo-type rear plates 902 through bolts, and the same deflection shaft 906 is rotatably connected between each adjacent auxiliary sleeve seat 905 and each auxiliary socket 904 through bearings; the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 are alternately arranged, the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 are located above the discharging table 7, a plurality of equidistant side pressure seats 907 are arranged on the sides of the bamboo joint type front plate 901 and the bamboo joint type rear plate 902, a pressing roller 908 is connected to one side, close to the bamboo joint type front plate 901 and the bamboo joint type rear plate 902, of the side seat 907 through bearing rotation, a plurality of equidistant radian adjusting type hydraulic cylinders 909 are connected to one side, close to the discharging table 7, of the side seat 8 through bolts, and telescopic ends of the radian adjusting type hydraulic cylinders 909 are connected with the side pressure seats 907 through bolts.
Specifically, the press bending forming assembly 9 is adjusted according to the required bending radian, and the process is as follows: after the preset radian is determined, starting the radian adjusting hydraulic cylinder 909 to enable the combined radian of the plurality of pressing rollers 908 to be consistent with the preset radian, wherein in the process, the bamboo-type front plate 901 and the bamboo-type rear plate 902 are pushed by the pressing rollers 908 to deflect; during the bending operation, the outer side of the pushed guardrail is subjected to the pushing force of the pressurizing roller 908 to bend and deflect, and the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 which are combined support the guardrail at the inner side of the guardrail, so that the abnormal inner cavity of the guardrail is unchanged in the bending process;
In a specific application scene, the press bending forming assembly 9 is suitable for a press bending operation link of the special-shaped guardrail, namely, the press bending forming assembly 9 pushes the guardrail from the outer side of the conveyed guardrail, so that the guardrail is pressed into a required radian, and in the press bending process, the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 effectively support the guardrail in the guardrail, so that deformation of a special-shaped inner cavity of the guardrail caused by press bending is avoided, and the subsequent installation of the guardrail is influenced; the radian of the formed guardrail is limited by a plurality of radian adjusting hydraulic cylinders 909, so that the guardrail is convenient to adapt to the bending processing operation of guardrails with different radian specifications; the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 which can be adjusted by self can adapt to the internal supporting requirements of guardrails with different radians, and the shape of the special-shaped inner cavity in the bending process of the guardrails is guaranteed.
Referring to fig. 1,2 and 5, two symmetrical upper seats 10 are connected to the upper side of the forming table 1 through bolts, two symmetrical portal frames 11 are connected to the upper sides of the two upper seats 10 through bolts, and the same top seat 12 is connected to the upper ends of the four portal frames 11 through bolts; the upside of shaping platform 1 is through bolted connection having and is added the location seat 13, and two overhead seats 10 are located the both sides of aggravating the location seat 13 and are symmetrical distribution, and the one side that is close to on the location seat 13 of aggravating and carries platform 2 has die sleeve 14 through bolted connection, has connection platform 15 through bolted connection on the die sleeve 14, connects through bolted connection between the other end of platform 15 and the bamboo joint type front bezel 901, and the top of shaping platform 1 is provided with guardrail shaping subassembly 16.
Specifically, the process of rolling the steel plate into the special-shaped guardrail is performed outside the die sleeve 14, so that the inner cavity of the molded guardrail meets the special-shaped specification; the die sleeve 14 and a plurality of bamboo joint type front plates 901 and bamboo joint type rear plates 902 are connected to the connecting table 15, and the bamboo joint type front plates 901 and the bamboo joint type rear plates 902 can be supported in the inner cavity of the guardrail after the special-shaped guardrail is formed.
Referring to fig. 5, 6 and 8, the guardrail forming assembly 16 includes a middle plate 1601, two symmetrical mounting grooves are formed in the lower side of the top base 12, the two mounting grooves are connected with a pressing forming hydraulic cylinder 1602 through bolts, the telescopic ends of the two pressing forming hydraulic cylinders 1602 are connected with the upper side of the middle plate 1601 through bolts, two symmetrical frame blocks 1603 are connected with the lower side of the middle plate 1601 through bolts, the same pressing forming plate 1604 is connected with the lower side of the two frame blocks 1603 through bolts, and the pressing forming plate 1604 is located right above the die sleeve 14.
And, rectangular mounting grooves have all been seted up to the both sides of pushing down shaping board 1604, the inside in two rectangular mounting grooves is connected with symmetrical upset shaping board 1605 through the bearing rotation, and put the upside of board 1601 and have a plurality of symmetrical limit group's platform 1606 through bolted connection, the one side that keeps away from in putting the board 1601 on a plurality of limit group's platforms 1606 all has branch 1607 through bolted connection, the front end of branch 1607 all is connected with movable pole 1608 through the bearing rotation, the front end of movable pole 1608 all has reset spring 1609 through bolted connection, pass through bolted connection between reset spring 1609 on a plurality of movable poles 1608 of homonymy and the upset shaping board 1605 of homonymy.
Further, a lifting plate 1610 is disposed above the middle plate 1601, a side pressure forming hydraulic cylinder 1611 is connected to the upper side of the middle plate 1601 through a bolt, a telescopic end of the side pressure forming hydraulic cylinder 1611 is connected to the lower side of the lifting plate 1610 through a bolt, four compression rods 1612 symmetrical to each other are connected to the lower side of the lifting plate 1610 through bolts, the lower ends of the compression rods 1612 are all connected with a seat 1613 through bolts, two seats 1613 located on the same side are symmetrically distributed, side pressure rollers 1614 are connected to opposite sides of the two seats 1613 located on the same side through bearings in a rotating mode, and the side pressure rollers 1614 are in contact with the outer wall of the turnover forming plate 1605 on the same side.
Specifically, the steel plate is placed above the upper seat 10, then cut into a required width, the push-down forming hydraulic cylinder 1602 starts to extend to drive the middle plate 1601 to move downwards, the steel plate rolls to fit the top of the die sleeve 14, then the side push forming hydraulic cylinder 1611 starts to shrink to drive the lifting plate 1610 to move downwards, the four compression rods 1612 move downwards synchronously, the side push rollers 1614 roll-down the flip forming plates 1605, the two flip forming plates 1605 press the steel plate to fit the two sides of the die sleeve 14, and finally the steel plate rolls to the bottom of the die sleeve 14.
In a specific application scene, the guardrail forming assembly 16 is suitable for a rolling forming link of the special-shaped guardrail, namely the guardrail forming assembly 16 utilizes a middle plate 1601 to be matched with two overturning forming plates 1605 to respectively roll and attach steel plates at the upper end and two sides of the die sleeve 14, so that the special-shaped guardrail is formed, the process is continuous, manual operation is not needed, and the assembly line processing of the special-shaped guardrail is adapted; the rolling process adopts a sectional rolling processing mode of the top, the side surface and the bottom, so that the attaching effect of the steel plate and the outer wall of the die sleeve 14 can be improved, and the overall quality of the guardrail after being molded can be improved; the reset spring 1609 can assist in resetting the turnover forming plate 1605, so that smoothness of repeated machining operation of the device is ensured.
It should be noted that, the front ends of the two overturn forming plates 1605 (i.e. the ends far away from the pressing forming plate 1604) are provided with inward bosses, so that after the two overturn forming plates 1605 overturn and attach to the die sleeve 14, the steel plate below the die sleeve 14 can be bent, so that the subsequent bottom rolling is facilitated.
Referring to fig. 1, 5, 6 and 7, a rectangular groove is formed in the upper side of the forming table 1, an upper press forming plate 17 is arranged in the rectangular groove, the upper press forming plate 17 is located right below the die sleeve 14, two symmetrical rectangular mounting grooves are formed in the rectangular groove of the forming table 1, upper press forming hydraulic cylinders 18 are connected to the two rectangular mounting grooves through bolts, and telescopic ends of the two upper press forming hydraulic cylinders 18 are connected to the lower side of the upper press forming plate 17 through bolts.
The slide grooves are formed in one side, opposite to each other, of the two upper seats 10, the electric slide rails are arranged in the slide grooves, the motor seat 19 is connected with the two slide grooves in a sliding mode, the motor seat 19 is connected with the driving motor 20 through bolts, the output end of the driving motor 20 is connected with a short shaft through a coupling, the other end of the short shaft is connected with the cutting knife 21 through bolts, the demoulding push plate 22 is connected with the outer wall of the die sleeve 14 in a sliding mode, the demoulding push plate 22 is attached to the outer wall of the die sleeve 14, a threaded hole is formed in the demoulding push plate 22, a groove is formed in the upper side of the weighing and retaining seat 13, a round hole is formed in the round hole, the inside of the groove is communicated with the groove, the outer side of the weighing and retaining seat 13 is connected with the reversing motor 23 through bolts, the other end of the reversing motor 23 is connected with the lead screw 24 through the coupling, the other end of the lead screw 24 penetrates through the round hole of the weighing and the threaded hole of the retaining seat 13 and the inner wall of the demoulding push plate 22 to be in a rotating connection with the inner wall of the groove through a bearing, and the threaded hole of the demoulding push plate 22 is in a threaded connection through the inner wall of the inner wall.
Specifically, the upper press forming hydraulic cylinder 18 stretches to push the upper press forming plate 17 to move upwards, and the upper press forming plate 17 rolls and adheres the steel plate on the lower side of the die sleeve 14 to the bottom of the die sleeve 14; after the rolling forming of the special-shaped guardrail is completed, the reversing motor 23 drives the screw rod 24 to rotate, the demolding push plate 22 moves towards the die sleeve 14 on the weight retention seat 13, the demolding push plate 22 is inserted into the die sleeve 14, the pressing forming plate 1604 and the forming openings of the turnover forming plate 1605, and the formed special-shaped guardrail is pushed forward to be separated from the die sleeve 14 and enters the conveying table 2; cutting process of steel plate on the upper seat 10: after the steel plate is placed, the driving motor 20 drives the cutting knife 21 to rotate, the motor base 19 moves on the electric sliding rail at a constant speed, and the cutting knife 21 cuts off the redundant part of the placed steel plate, so that the width of the steel plate meets the machining size of the special-shaped guardrail.
The guardrail forming assembly 16 is used for a rolling forming link of the special guardrail, welding equipment can be arranged between the forming table 1 and the conveying table 2, and the welding equipment is welded from the bottom of the guardrail after rolling forming, so that the guardrail is thoroughly formed; the side table 8 and the press bending forming assembly 9 can be assembled according to actual needs, and the connecting table 15 and the press bending forming assembly 9 can be disassembled when the straight bar guardrail is produced.
When in use, firstly, a steel plate with uniform specification is put on the forming table 1 to be rolled into a special-shaped guardrail, and the process is as follows: the steel plate is placed above the upper seat 10 and then cut into a required width (the driving motor 20 drives the cutting knife 21 to rotate, the motor seat 19 moves on the electric sliding rail at a constant speed), the cutting knife 21 cuts off the redundant part of the placed steel plate so that the width of the steel plate meets the machining size of the special-shaped guardrail), the lower-pressure forming hydraulic cylinder 1602 starts to extend to drive the middle plate 1601 to move downwards, the steel plate rolls and is attached to the top of the die sleeve 14, then the side-pressure forming hydraulic cylinder 1611 starts to shrink to drive the lifting plate 1610 to move downwards, the four pressure rods 1612 move downwards synchronously, the side-pressure roller 1614 carries out rolling pressing on the turnover forming plate 1605, the two turnover forming plates 1605 downwards press the steel plate to attach to two sides of the die sleeve 14, and finally rolling of the steel plate at the bottom of the die sleeve 14 is carried out (the upper-pressure forming hydraulic cylinder 18 extends to push the upper-pressure forming plate 17 to move upwards, and the upper-pressure forming plate 17 rolls the steel plate at the lower side of the die sleeve 14 to attach the bottom of the die sleeve 14 to the die sleeve 14);
after rolling forming, demolding is carried out (a reversing motor 23 drives a screw rod 24 to rotate, a demolding push plate 22 moves towards a die sleeve 14 on a weight retention seat 13, the demolding push plate 22 is inserted into forming openings of the die sleeve 14, a pressing forming plate 1604 and a turnover forming plate 1605, the formed special-shaped guardrail is pushed forward to be separated from the die sleeve 14), then the guardrail is transferred to a conveying table 2, and a conveying motor 6 drives two traction gears 5 to be meshed in a rotating way, so that the guardrail is pushed forward by a conveying roller 4;
When the guardrail needs to be bent, the bending forming assembly 9 is adjusted in advance (after the preset radian is determined, the radian adjusting hydraulic cylinder 909 is started, so that the combined radian of the plurality of pressing rollers 908 is consistent with the preset radian, in the process, the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 are pushed by the pressing rollers 908 to deflect), when the conveying rollers 4 push the guardrail to the discharging table 7, the bending forming assembly 9 can bend the guardrail into the required radian (the pushed guardrail is pushed by the pressing rollers 908 to bend and deflect, and the bamboo joint type front plate 901 and the bamboo joint type rear plate 902 of the plurality of combinations support the guardrail at the inner side of the guardrail, so that the abnormal inner cavity of the guardrail is unchanged in the bending process.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The special-shaped highway guardrail compression molding equipment comprises a molding table (1), and is characterized in that one side of the molding table (1) is provided with a conveying table (2), the upper side of the conveying table (2) is fixedly connected with a bedplate (3), two symmetrical round holes are formed in the bedplate (3), the inside of each round hole is movably connected with a rotating shaft, the outside of each rotating shaft is fixedly connected with a conveying roller (4), the lower ends of the two rotating shafts are fixedly connected with traction gears (5), the two traction gears (5) are meshed with each other, the lower side of the conveying table (2) is fixedly connected with a conveying motor (6), the output end of the conveying motor (6) is connected with a short shaft through a coupler, the other end of the short shaft is fixedly connected with one traction gear (5), one side, far away from the molding table (1), of the conveying table (2) is provided with a discharging table (7), one side of the discharging table (7) is provided with a side table (8), and the discharging table (7) and the side table (8) is provided with a buckling molding assembly (9);
Two symmetrical upper seats (10) are fixedly connected to the upper side of the forming table (1), two symmetrical portal frames (11) are fixedly connected to the upper sides of the two upper seats (10), the same top seat (12) is fixedly connected to the upper ends of the four portal frames (11), weighting retention seats (13) are fixedly connected to the upper side of the forming table (1), the two upper seats (10) are symmetrically distributed on the two sides of the weighting retention seats (13), a die sleeve (14) is fixedly connected to one side, close to the conveying table (2), of the weighting retention seats (13), a connecting table (15) is fixedly connected to the die sleeve (14), the other end of the connecting table (15) is fixedly connected with a bamboo joint type front plate (901), and a guardrail forming assembly (16) is arranged above the forming table (1);
The guardrail forming assembly (16) comprises a middle plate (1601), two symmetrical mounting grooves are formed in the lower side of a top seat (12), a pressing forming hydraulic cylinder (1602) is fixedly connected to the inner parts of the two mounting grooves, telescopic ends of the two pressing forming hydraulic cylinders (1602) are fixedly connected with the upper side of the middle plate (1601), two symmetrical frame platforms (1603) are fixedly connected to the lower side of the middle plate (1601), the same pressing forming plate (1604) is fixedly connected to the lower side of the two frame platforms (1603), and the pressing forming plate (1604) is located right above a die sleeve (14);
Rectangular mounting grooves are formed in two sides of the pressing forming plate (1604), symmetrical overturning forming plates (1605) are movably connected in the two rectangular mounting grooves, a plurality of symmetrical side group platforms (1606) are fixedly connected to the upper side of the middle plate (1601), a supporting rod (1607) is fixedly connected to one side, far away from the middle plate (1601), of the side group platforms (1606), a movable position rod (1608) is movably connected to the front end of the supporting rod (1607), a reset spring (1609) is fixedly connected to the front end of the movable position rod (1608), and the reset springs (1609) on the movable position rods (1608) on the same side are fixedly connected with the overturning forming plates (1605) on the same side;
The lifting plate (1610) is arranged above the middle plate (1601), a side pressure forming type hydraulic cylinder (1611) is fixedly connected to the upper side of the middle plate (1601), the telescopic end of the side pressure forming type hydraulic cylinder (1611) is fixedly connected with the lower side of the lifting plate (1610), four two-to-two symmetrical pressure rods (1612) are fixedly connected to the lower side of the lifting plate (1610), the lower ends of the pressure rods (1612) are fixedly connected with connecting seats (1613), the two connecting seats (1613) located on the same side are symmetrically distributed, side pressure rollers (1614) are movably connected to the opposite sides of the two connecting seats (1613) located on the same side, and the side pressure rollers (1614) are in contact with the outer wall of the overturning forming plate (1605) on the same side;
the upper side of the forming table (1) is provided with a rectangular groove, an upper press forming plate (17) is arranged in the rectangular groove, the upper press forming plate (17) is positioned right below the die sleeve (14), two symmetrical rectangular mounting grooves are formed in the rectangular groove of the forming table (1), an upper press forming hydraulic cylinder (18) is fixedly connected to the inner parts of the two rectangular mounting grooves, and the telescopic ends of the two upper press forming hydraulic cylinders (18) are fixedly connected with the lower side of the upper press forming plate (17);
the two upper seats (10) are provided with sliding grooves on one opposite side, electric sliding rails are arranged in the sliding grooves, motor seats (19) are movably connected in the two sliding grooves, driving motors (20) are fixedly connected to the motor seats (19), short shafts are connected to output ends of the driving motors (20) through couplings, and cutting knives (21) are fixedly connected to the other ends of the short shafts;
The outside sliding connection who aggravates retainer seat (13) has drawing of patterns push pedal (22), the laminating of the outer wall of drawing of patterns push pedal (22) and die sleeve (14), set up threaded hole on drawing of patterns push pedal (22), set up flutedly on the upside that aggravates retainer seat (13), set up the round hole on aggravate retainer seat (13), the inside of round hole intercommunication recess, the outside that aggravates retainer seat (13) is through bolted connection having reverse motor (23), the output of reverse motor (23) has lead screw (24) through the coupling joint, the other end of lead screw (24) is passed the round hole that aggravates retainer seat (13) and the threaded hole of drawing of patterns push pedal (22) and one side inner wall of recess are passed through the bearing and are rotated and are connected, pass through inner wall screw thread rotation between lead screw (24) and the threaded hole of drawing of patterns push pedal (22).
2. The special-shaped highway guardrail compression molding device according to claim 1, wherein the compression molding assembly (9) comprises a plurality of bamboo joint type front plates (901) and bamboo joint type rear plates (902), round holes are formed in two sides of the bamboo joint type front plates (901) and the bamboo joint type rear plates (902), outer attaching rollers (903) are movably connected to the inside of the round holes, two symmetrical attaching sockets (904) are fixedly connected to two sides of the bamboo joint type front plates (901), two symmetrical attaching sleeve bases (905) are fixedly connected to two sides of the bamboo joint type rear plates (902), and one deflection shaft (906) is movably connected between each adjacent attaching sleeve base (905) and each attaching socket (904).
3. The special-shaped highway guardrail compression molding device according to claim 2, wherein a plurality of bamboo joint type front plates (901) and bamboo joint type rear plates (902) are arranged alternately, the bamboo joint type front plates (901) and the bamboo joint type rear plates (902) are located above the discharging table (7), a plurality of equidistant side pressure seats (907) are arranged on the sides of the bamboo joint type front plates (901) and the bamboo joint type rear plates (902), pressing rollers (908) are movably connected to one sides, close to the bamboo joint type front plates (901) and the bamboo joint type rear plates (902), of the side pressure seats (907), a plurality of equidistant radian adjusting hydraulic cylinders (909) are fixedly connected to one sides, close to the discharging table (7), of the side pressure seats (907), and telescopic ends of the radian adjusting hydraulic cylinders (909) are fixedly connected with the side pressure seats (907) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410069426.6A CN117583443B (en) | 2024-01-18 | 2024-01-18 | Special-shaped highway guardrail compression molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410069426.6A CN117583443B (en) | 2024-01-18 | 2024-01-18 | Special-shaped highway guardrail compression molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117583443A CN117583443A (en) | 2024-02-23 |
| CN117583443B true CN117583443B (en) | 2024-04-30 |
Family
ID=89916906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410069426.6A Active CN117583443B (en) | 2024-01-18 | 2024-01-18 | Special-shaped highway guardrail compression molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117583443B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250115A (en) * | 1996-03-14 | 1997-09-22 | Nippon Kokan Light Steel Kk | Beam for guard rail and production method and device thereof |
| EP2047924A2 (en) * | 2007-10-09 | 2009-04-15 | Outimex AG | Method and device for manufacturing a guard rail |
| KR20120126455A (en) * | 2011-05-11 | 2012-11-21 | 주식회사 성우하이텍 | Bending device |
| JP2013146762A (en) * | 2012-01-20 | 2013-08-01 | Hirotec Corp | Method of manufacturing different diameter pipe and apparatus for manufacturing different diameter pipe |
| CN204381143U (en) * | 2015-01-12 | 2015-06-10 | 富阳思博工业设计有限公司 | A kind of aluminium profile bender |
| KR20160053305A (en) * | 2014-11-03 | 2016-05-13 | 주식회사 새한산업 | Guard rail and the method thereof |
| CN108787808A (en) * | 2018-07-28 | 2018-11-13 | 河北虎牌集团奥笛柜业有限公司 | A kind of quick bending equipment of safety cabinet shell |
| CN209077484U (en) * | 2018-11-27 | 2019-07-09 | 意特利（滁州）智能数控科技有限公司 | A kind of bullodozer |
| CN110252862A (en) * | 2019-07-19 | 2019-09-20 | 安庆米锐智能科技有限公司 | A kind of sheet metal component cold stamping method |
| CN212633944U (en) * | 2020-08-04 | 2021-03-02 | 上海和达汽车配件有限公司 | Multi-section reducing roll bending forming core |
| CN213350341U (en) * | 2020-09-17 | 2021-06-04 | 沧州惠邦交通通讯产品制造有限公司 | Sheet metal equipment for medical instrument production |
| CN113102586A (en) * | 2021-04-09 | 2021-07-13 | 耿海生 | Manufacturing, forming and processing method of alloy plastic-sprayed wire and cable bridge |
| CN113210475A (en) * | 2021-04-17 | 2021-08-06 | 蔡剑杰 | Be used for highway guardrail press forming equipment |
| CN214321408U (en) * | 2020-12-14 | 2021-10-01 | 无锡市源隆金属制品有限公司 | Flexible core rod of elbow |
| CN114101431A (en) * | 2021-11-04 | 2022-03-01 | 安徽明豪汽车科技有限公司 | Cold punching production process of closed auxiliary frame longitudinal arm |
| CN218855451U (en) * | 2022-12-05 | 2023-04-14 | 宿州弘科电气科技有限公司 | Bending machine for machining vehicle parts |
| CN116493454A (en) * | 2023-06-30 | 2023-07-28 | 吉林省新诺达交通设备有限公司 | Large-section aluminum profile bending device |
| CN219483867U (en) * | 2023-02-22 | 2023-08-08 | 安徽鑫宇护栏有限公司 | Guardrail bending equipment with adjustable bending angle |
-
2024
- 2024-01-18 CN CN202410069426.6A patent/CN117583443B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250115A (en) * | 1996-03-14 | 1997-09-22 | Nippon Kokan Light Steel Kk | Beam for guard rail and production method and device thereof |
| EP2047924A2 (en) * | 2007-10-09 | 2009-04-15 | Outimex AG | Method and device for manufacturing a guard rail |
| KR20120126455A (en) * | 2011-05-11 | 2012-11-21 | 주식회사 성우하이텍 | Bending device |
| JP2013146762A (en) * | 2012-01-20 | 2013-08-01 | Hirotec Corp | Method of manufacturing different diameter pipe and apparatus for manufacturing different diameter pipe |
| KR20160053305A (en) * | 2014-11-03 | 2016-05-13 | 주식회사 새한산업 | Guard rail and the method thereof |
| CN204381143U (en) * | 2015-01-12 | 2015-06-10 | 富阳思博工业设计有限公司 | A kind of aluminium profile bender |
| CN108787808A (en) * | 2018-07-28 | 2018-11-13 | 河北虎牌集团奥笛柜业有限公司 | A kind of quick bending equipment of safety cabinet shell |
| CN209077484U (en) * | 2018-11-27 | 2019-07-09 | 意特利（滁州）智能数控科技有限公司 | A kind of bullodozer |
| CN110252862A (en) * | 2019-07-19 | 2019-09-20 | 安庆米锐智能科技有限公司 | A kind of sheet metal component cold stamping method |
| CN212633944U (en) * | 2020-08-04 | 2021-03-02 | 上海和达汽车配件有限公司 | Multi-section reducing roll bending forming core |
| CN213350341U (en) * | 2020-09-17 | 2021-06-04 | 沧州惠邦交通通讯产品制造有限公司 | Sheet metal equipment for medical instrument production |
| CN214321408U (en) * | 2020-12-14 | 2021-10-01 | 无锡市源隆金属制品有限公司 | Flexible core rod of elbow |
| CN113102586A (en) * | 2021-04-09 | 2021-07-13 | 耿海生 | Manufacturing, forming and processing method of alloy plastic-sprayed wire and cable bridge |
| CN113210475A (en) * | 2021-04-17 | 2021-08-06 | 蔡剑杰 | Be used for highway guardrail press forming equipment |
| CN114101431A (en) * | 2021-11-04 | 2022-03-01 | 安徽明豪汽车科技有限公司 | Cold punching production process of closed auxiliary frame longitudinal arm |
| CN218855451U (en) * | 2022-12-05 | 2023-04-14 | 宿州弘科电气科技有限公司 | Bending machine for machining vehicle parts |
| CN219483867U (en) * | 2023-02-22 | 2023-08-08 | 安徽鑫宇护栏有限公司 | Guardrail bending equipment with adjustable bending angle |
| CN116493454A (en) * | 2023-06-30 | 2023-07-28 | 吉林省新诺达交通设备有限公司 | Large-section aluminum profile bending device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117583443A (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117583443B (en) | Special-shaped highway guardrail compression molding equipment | |
| CN111589944A (en) | Split type guardrail production line of highway | |
| CN113210475A (en) | Be used for highway guardrail press forming equipment | |
| CN108357144B (en) | Element box apparatus for producing | |
| CN115889599A (en) | Stamping die for sheet metal parts | |
| CN212350024U (en) | Stamping device is used in mould production | |
| CN213856745U (en) | Earphone steel band forming device | |
| CN211709841U (en) | Large-curvature laminated part forming device | |
| CN114769490A (en) | Screw cold heading forming device and using method thereof | |
| CN216582399U (en) | Tobacco conveying copper bar chain correcting device | |
| CN113998386B (en) | Tobacco conveying copper bar chain correcting device | |
| CN216582398U (en) | Tobacco conveying copper bar chain pressing type correcting device | |
| CN2238731Y (en) | Machinery matched mould structure for plastic | |
| CN110271084B (en) | Extrusion saddle plate forming machine | |
| CN219683835U (en) | Compressing device for straightener | |
| CN210208182U (en) | Arc suppression frock | |
| CN215657391U (en) | Guiding and conveying device for die assembly of steel bar truss | |
| CN220650008U (en) | Testing mechanism of round pressing die | |
| CN2140273Y (en) | Assembled roller composite support cold bending steel mill | |
| CN2234855Y (en) | Large-medium sized matched mould mechanism for blow moulding machine | |
| CN214719936U (en) | Stamping and bending die | |
| CN115119861B (en) | Three-roller shaping machine for processing flour products | |
| CN219114237U (en) | Punching device for plastic molding | |
| CN220161396U (en) | Adjustable corner cut device of assembled water tank die pressing plate | |
| CN213224002U (en) | Four-column hydraulic machine for production of automobile parts |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |