CN114260343B - High-low voltage power distribution cabinet connection copper bar multistation bender - Google Patents
High-low voltage power distribution cabinet connection copper bar multistation bender Download PDFInfo
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- CN114260343B CN114260343B CN202210200669.XA CN202210200669A CN114260343B CN 114260343 B CN114260343 B CN 114260343B CN 202210200669 A CN202210200669 A CN 202210200669A CN 114260343 B CN114260343 B CN 114260343B
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Abstract
The invention relates to the technical field of bending, in particular to a multi-station bending machine for connecting copper bars of high-low voltage power distribution cabinets, which comprises a bottom plate, supporting vertical plates, a bending base, supporting columns, a top plate, a pressing hydraulic cylinder and a pressing panel, wherein the bending base is arranged above the bottom plate and is installed on the bottom plate through the plurality of supporting vertical plates which are distributed at equal intervals, the top plate is arranged above the bending base, and the top plate is fixed on the bottom plate through the four supporting columns. The invention can simultaneously bend and form a plurality of copper bars, and mainly primarily limits the positions of the copper bars by bending the horizontal section at the left side of the base and a plurality of clamping and limiting mechanisms on a panel of the base, and then limits the left and right positions of the copper bars by bending the pressing plates and the positioning panels at the left and right sides of the base, so as to ensure that the length of the first vertical section and the length of the second vertical section of the copper bar meet the specification requirements during final forming.
Description
Technical Field
The invention relates to the technical field of bending, in particular to a multi-station bending machine for connecting copper bars of high-voltage and low-voltage power distribution cabinets.
Background
The busbar is a connecting copper bar or aluminum bar of a main switch in a power distribution cabinet and a switch in each shunt circuit in a power supply system, and the surface of the busbar is subjected to insulation treatment and mainly used as a lead. As shown in fig. 8, the copper bar is sequentially divided into a first vertical section, a first horizontal section, an inclined section, a second horizontal section and a second vertical section from left to right.
Copper bar need prescribe a limit to the position of copper bar before bending to ensure that each segmentation of copper bar bending dimension accords with the specification requirement, and current a lot of equipment of bending do not carry out the automatic restriction to the copper bar position, often need the manual work to adjust the copper bar position, current most bender can not be simultaneously bent a plurality of copper bars in step, need go on one by one.
Because the copper bar is in rectangular shape structure before bending, the bender pushes down when bending and carries out the end and need with copper bar upper surface contact, this just makes the copper bar can't effectively restrict copper bar width direction before bending, leads to the problem that the copper bar is along copper bar width direction incline appearing easily at the in-process of bending.
Disclosure of Invention
The invention provides a multi-station bending machine for connecting copper bars of high-voltage and low-voltage power distribution cabinets, which can solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high-low voltage power distribution cabinet connects copper bar multistation bender, includes the bottom plate, supports the riser, bends base, support column, roof, pushes down the pneumatic cylinder and pushes down the panel, the bottom plate top is provided with the base of bending, and bends the base and install on the bottom plate through a plurality of equidistant distribution's support riser, the base top of bending is provided with the roof, and the roof fixes on the bottom plate through four support columns, the roof with bend and be provided with down the panel between the base, and push down the panel and slide and set up on the support column, roof mid-mounting has the pneumatic cylinder that pushes down, and pushes down the pneumatic cylinder bottom and be connected with pushing down the panel.
The bending base is integrally of a step structure with a left high bottom and a right bottom, the upper end face of the bending base is sequentially divided into a left horizontal section, a middle vertical section and a right horizontal section from left to right, the corner of the joint of the left horizontal section of the bending base and the middle vertical section is set to be an inclined plane structure, and the corner of the joint of the right horizontal section of the bending base and the middle vertical section is of a right-angle structure.
The base panel is arranged above the right horizontal section of the bending base, the lower end of the base panel is connected with a plurality of supporting rods, the lower ends of the supporting rods slide through the bending base and the end part of the bending base to be provided with a connecting circular plate, a first spring is sleeved on the supporting rods and located between the connecting circular plate and the bending base, and the upper end face of the base panel and the left horizontal section of the bending base are provided with a plurality of clamping limiting mechanisms which are distributed at equal intervals from front to back.
Turn right from a left side and has set gradually down the locating plate and the framework of bending in the push down panel below, the framework of bending is connected with the push down panel through a plurality of equidistant distribution's connecting plate, it is connected with a plurality of evenly distributed's lower depression bar to press down the locating plate upper end, the depression bar top slides and runs through push down panel and tip and install supplementary plectane down, the cover is equipped with the second spring down on the depression bar, and the second spring both ends are connected respectively on pressing down locating plate and push down panel, push down the panel left side and install the push down riser, the height that highly is higher than the height of pressing down locating plate bottom of push down riser bottom.
The base right side wall of bending slides from top to bottom and is provided with the jacking board of bending, the jacking pneumatic cylinder is all installed to bottom plate up end and both sides around being located the jacking board of bending, and the connecting seat that sets up on jacking pneumatic cylinder output and the jacking board of bending is connected.
According to a preferred technical scheme, the clamping and limiting mechanism comprises a limiting vertical plate, guide rods, guide grooves and a reset spring, the limiting grooves are symmetrically distributed in the front and back direction on the upper end face of the base panel and the horizontal section of the left side of the bending base, the limiting vertical plate is arranged in each limiting groove, the two guide rods which are arranged up and down are arranged at the left end and the right end of each limiting vertical plate, the guide grooves for the guide rods to slide are formed in the left side and the right side of each limiting groove, and the reset spring is connected between the side wall of each limiting vertical plate and each limiting groove.
As a preferable technical scheme of the invention, the guide groove is of a V-shaped structure with a vertical lower end and an inclined upper end, an included angle between the upper end and the lower end of the guide groove is larger than 90 degrees, and the distance from the inclined section of the upper end of the guide groove to the midpoint between the two limiting vertical plates is gradually reduced from top to bottom.
According to a preferred technical scheme, two inverted U-shaped frames which are distributed left and right are mounted at the tops of the limiting vertical plates, limiting pressing strips are arranged in the U-shaped frames in a sliding mode up and down, limiting springs are connected between the limiting pressing strips and the tops of the U-shaped frames, grooves matched with the U-shaped frames and the limiting pressing strips are formed in the lower end faces of the pressing positioning plates and the lower end faces of the bending frame bodies, and elastic arc-shaped plates are arranged at the upper ends of the opposite sides of the two limiting vertical plates which are distributed front and back.
As a preferred technical scheme of the invention, a vertical positioning panel is arranged on the right side of the bending base, and the positioning panel is fixed on the right side wall of the bending base through two L-shaped connecting rods.
As a preferred technical scheme, the front end and the rear end of the left side wall of the bending base are respectively provided with an L-shaped mounting strip which is bent upwards, the left side of the bending base is provided with a pressing plate, the front end and the rear end of the pressing plate are respectively arranged on the two L-shaped mounting strips in a sliding mode, and a pressing spring is connected between the pressing plate and the vertical section of the L-shaped mounting strip.
In a preferred embodiment of the present invention, the bending frame is a U-shaped structure with an open upper end, and the bottom of the left side of the bending frame is provided with an inclined surface structure, and the inclined surface of the bottom of the left side of the bending frame is parallel to the inclined surface of the bending base.
As a preferable technical scheme of the invention, the height from the bottom of the inclined plane of the bending base to the horizontal section at the right side of the bending base is greater than or equal to the thickness of the base panel.
The invention has the beneficial effects that: 1. the invention can simultaneously bend and form a plurality of copper bars, and mainly primarily limits the positions of the copper bars by bending the horizontal section at the left side of the base and a plurality of clamping and limiting mechanisms on a panel of the base, and then limits the left and right positions of the copper bars by bending the pressing plates and the positioning panels at the left and right sides of the base, so as to ensure that the length of the first vertical section and the length of the second vertical section of the copper bar meet the specification requirements during final forming.
2. According to the invention, the copper bar can be bent to form a first horizontal section, an inclined section and a second horizontal section by bending the left horizontal section and the inclined plane of the base, the base panel, the pressing positioning plate and the bending frame body, and then the left side and the right side of the copper bar are respectively bent by pressing the vertical plate and the jacking bending plate so as to form a first vertical section and a second vertical section.
3. According to the invention, the limiting vertical plates are movably guided by utilizing the guide grooves with the V-shaped structures, so that when the copper bar is bent downwards by pressing the positioning plate and the bending frame body, the limiting vertical plates are pushed to move downwards along the guide grooves through the guide rods until the elastic arc-shaped plates on the two limiting vertical plates clamp the front and back of the copper bar, and the problem that the copper bar deflects along the width direction of the copper bar when being bent is prevented.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic structural diagram of a bottom plate, a supporting vertical plate, a bending base, a base panel, a clamping and limiting mechanism, a copper bar, a positioning panel, a pressing plate and a jacking bending plate in the invention.
Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
Fig. 4 is a front sectional view of the copper bar of the present invention before bending.
Fig. 5 is a front sectional view of the bent copper bar of the present invention.
FIG. 6 is a side cross-sectional view of the clamping and limiting mechanism, the bending base and the pressing and positioning plate of the present invention.
Fig. 7 is a partial enlarged view of the invention at B in fig. 6.
Fig. 8 is a schematic view of the copper bar after being bent and formed according to the present invention.
In the figure: 100. copper bars; 110. a first vertical section; 120. a first horizontal segment; 130. an inclined section; 140. a second horizontal segment; 150. a second vertical section; 1. a base plate; 2. a support vertical plate; 3. bending the base; 311. a left horizontal segment; 312. a middle vertical section; 313. an inclined surface; 314. a right horizontal section; 32. a base panel; 33. a support bar; 34. connecting the circular plate; 35. a first spring; 36. a clamping and limiting mechanism; 361. a limiting vertical plate; 362. a guide rod; 363. a guide groove; 364. a return spring; 365. a U-shaped frame; 366. limiting and pressing strips; 367. a limiting spring; 368. an elastic arc plate; 37. jacking a bent plate; 38. a jacking hydraulic cylinder; 39. a connecting seat; 301. a positioning panel; 302. an L-shaped connecting rod; 303. an L-shaped mounting bar; 304. a compression plate; 305. a compression spring; 4. a support pillar; 5. a top plate; 6. pressing down the hydraulic cylinder; 7. pressing down the panel; 71. pressing the positioning plate; 72. bending the frame body; 73. a connecting plate; 74. a lower pressure lever; 75. an auxiliary circular plate; 76. a second spring; 77. the vertical plate is pressed down.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, a copper bar multistation bender is connected to high-low voltage power distribution cabinet, including bottom plate 1, support riser 2, the base 3 of bending, support column 4, roof 5, push down pneumatic cylinder 6 and push down panel 7, 1 top of bottom plate is provided with the base 3 of bending, and the base 3 of bending installs on bottom plate 1 through a plurality of equidistant support risers 2 that distribute, 3 tops of the base of bending are provided with roof 5, and roof 5 fixes on bottom plate 1 through four support columns 4, roof 5 and bend and be provided with push down panel 7 between the base 3, and push down panel 7 slides and set up on support column 4, 5 mid-mounting of roof has push down pneumatic cylinder 6, and push down pneumatic cylinder 6 bottom is connected with push down panel 7.
Referring to fig. 1, 2, 4 and 5, the whole bending base 3 is of a step structure with a left high bottom and a right high bottom, the upper end surface of the bending base 3 is sequentially divided into a left horizontal section 311, a middle vertical section 312 and a right horizontal section 314 from left to right, the corner at the joint of the left horizontal section 311 and the middle vertical section 312 of the bending base 3 is provided with an inclined plane 313 structure, the corner at the joint of the right horizontal section 314 and the middle vertical section 312 of the bending base 3 is of a right-angle structure, and the height from the bottom of the inclined plane 313 of the bending base 3 to the right horizontal section 314 of the bending base 3 is greater than or equal to the thickness of the base panel 32, so as to ensure that the inclined section 130 and the second horizontal section 140 of the copper bar 100 are smoothly bent and formed; bend 3 right sides horizontal segment 314 tops of base and be provided with base panel 32, base panel 32 lower extreme is connected with a plurality of bracing pieces 33, bracing piece 33 lower extreme slides and runs through bend base 3 and end portion and installs connection plectane 34, the cover is equipped with first spring 35 on the bracing piece 33, and first spring 35 is located connection plectane 34 and bends between the base 3, base panel 32 up end and bend 3 left sides horizontal segment 311 of base all are provided with from the past backward equidistant a plurality of centre gripping stop gear 36 that distribute.
Referring to fig. 1, 2, 4 and 5, a pressing positioning plate 71 and a bending frame 72 are sequentially arranged from left to right below the lower pressing plate 7, the bending frame 72 is connected with the lower pressing plate 7 through a plurality of connecting plates 73 distributed at equal intervals, the upper end of the pressing positioning plate 71 is connected with a plurality of lower pressing rods 74 distributed uniformly, the top of each lower pressing rod 74 penetrates through the lower pressing plate 7 in a sliding manner, an auxiliary circular plate 75 is installed at the end of each lower pressing rod 74, a second spring 76 is sleeved on each lower pressing rod 74, two ends of each second spring 76 are respectively connected to the pressing positioning plate 71 and the lower pressing plate 7, a lower pressing vertical plate 77 is installed on the left side of the lower pressing plate 7, and the bottom of each lower pressing vertical plate 77 is higher than the bottom of the pressing positioning plate 71; the bending frame body 72 is of a U-shaped structure with an open upper end, an inclined plane structure is arranged at the bottom of the left side of the bending frame body 72, and the inclined plane at the bottom of the left side of the bending frame body 72 is parallel to the inclined plane 313 of the bending base 3.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, the right side wall of the bending base 3 is provided with a jacking bending plate 37 in a vertically sliding manner, the upper end surface of the bottom plate 1 is provided with jacking hydraulic cylinders 38 on the front and rear sides of the jacking bending plate 37, and the output ends of the jacking hydraulic cylinders 38 are connected with connecting seats 39 arranged on the jacking bending plate 37.
When the copper bar bending machine works, a plurality of copper bars 100 to be bent are placed on the left horizontal section 311 of the bending base 3 and the base panel 32 at equal intervals, the positions of the copper bars are limited by the clamping limiting mechanism 36, the left and right positions of the copper bars 100 are adjusted, then the pressing hydraulic cylinder 6 pushes the pressing panel 7 to move downwards, then the pressing positioning plate 71 moves downwards through the matching of the pressing rod 74 and the second spring 76 to press the copper bars 100 on the left horizontal section 311 of the bending base 3 so as to fix the copper bars 100, meanwhile, the pressing panel 7 drives the bending frame body 72 to move downwards through the connecting plate 73, so that the copper bars 100 start to bend downwards along the right end of the left horizontal section 311 of the bending base 3, when the bending frame body 72 pushes the base panel 32 to move downwards to the right horizontal section 314 of the bending base 3 through the copper bars 100, the bending frame body 72 bends the copper bars 100 to press the inclined surface 313 of the bending base 3, thereby forming a first horizontal section 120, an inclined section 130 and a second horizontal section 140 of the copper bar 100, wherein the first spring 35 is in a stretching state, the second spring 76 is in a compressing state, and the pressing vertical plate 77 on the left side of the pressing panel 7 synchronously moves downwards when the bending frame body 72 bends the copper bar 100, so that the copper bar 100 starts to bend downwards along the left end of the horizontal section 311 on the left side of the bending base 3 until the left end of the copper bar 100 is bent downwards to 90 degrees, and at this time, the bending and forming of the first vertical section 110 on the left side of the copper bar 100 are completed; afterwards promote the jacking through jacking pneumatic cylinder 38 and bend board 37 and shift up, make the jacking bend board 37 along the 3 right-hand members of base of bending the right-hand members of copper bar 100 that upwards bend, upwards bend to 90 until copper bar 100 right-hand members, accomplish the second vertical segment 150 shaping of bending on copper bar 100 right side this moment, make the jacking bend board 37 through jacking pneumatic cylinder 38 and push down pneumatic cylinder 6 after that, push down riser 77, press down locating plate 71 and bend framework 72 and return initial position department, and press down locating plate 71 and need cooperate second spring 76 and just can get back to initial position smoothly, then base panel 32 shifts up to initial position smoothly under the effect of first spring 35, then take out the copper bar 100 of accomplishing the bending.
Referring to fig. 3, 6 and 7, the clamping and limiting mechanism 36 includes a limiting vertical plate 361, a guide rod 362, a guide groove 363 and a return spring 364, the upper end surface of the base panel 32 and the horizontal section 311 on the left side of the bending base 3 are both provided with limiting grooves symmetrically distributed in the front and back direction, the limiting groove is internally provided with the limiting vertical plate 361, two guide rods 362 arranged up and down are respectively installed at the left end and the right end of the limiting vertical plate 361, the left side and the right side of the limiting groove are both provided with the guide groove 363 for the guide rod 362 to slide, and the return spring 364 is connected between the sidewall of the limiting vertical plate 361 and the limiting groove; the guide groove 363 is a V-shaped structure with a vertical lower end and an inclined upper end, an included angle between the upper end and the lower end of the guide groove 363 is larger than 90 degrees, and the distance from the inclined section of the upper end of the guide groove 363 to the middle point between the two limiting vertical plates 361 gradually decreases from top to bottom.
Referring to fig. 3 and 6, two inverted U-shaped frames 365 which are distributed left and right are mounted at the tops of the limiting vertical plates 361, limiting pressing strips 366 are arranged in the U-shaped frames 365 in a vertically sliding mode, limiting springs 367 are connected between the tops of the limiting pressing strips 366 and the tops of the U-shaped frames 365, grooves matched with the U-shaped frames 365 and the limiting pressing strips 366 are formed in the lower end faces of the pressing positioning plates 71 and the lower end faces of the bending frame bodies 72, and elastic arc-shaped plates 368 are arranged at the upper ends of the opposite sides of the two limiting vertical plates 361 which are distributed front and back.
When in specific work, when the copper bar 100 is placed between the base panel 32 and the two limit vertical plates 361 on the left horizontal section 311 of the bent base 3, so as to preliminarily limit the front and back positions of the copper bar 100, avoid the problem that the copper bar 100 is bent to form deflection due to the front and back deflection of the copper bar 100, when the pressing positioning plate 71 and the bending frame body 72 move downwards, the pressing positioning plate 71 and the bending frame body 72 are firstly contacted with the top of the limit vertical plate 361, and pushes the limit vertical plate 361 downwards, so that the limit vertical plate 361 moves towards the copper bar 100 in the guide groove 363 of the V-shaped structure through the guide rod 362, the limit vertical plate 361 first inclines downwards and moves towards the copper bar 100, so that the copper bar 100 is clamped by the elastic arc plates 368 on the two limiting vertical plates 361, then, the vertical limit plate 361 continues to move downward, so that the lower end surface of the pressing positioning plate 71 and the lower end surface of the bending frame body 72 can be surely brought into contact with the copper bar 100. The problem that the copper bar 100 is overturned and inclined forwards and backwards exists in the process that the two elastic arc-shaped plates 368 clamp the front side and the rear side of the copper bar 100, so that the copper bar 100 cannot be flatly placed on the base panel 32 and the left horizontal section 311 of the bent base 3, the limiting pressing strip 366 can press the front end and the rear end of the copper bar 100 downwards under the action of the limiting spring 367, and the copper bar 100 is prevented from being overturned and inclined forwards and backwards.
Referring to fig. 1, 2, 4, 5 and 8, a vertical positioning panel 301 is disposed on the right side of the bending base 3, and the positioning panel 301 is fixed on the right side wall of the bending base 3 through two L-shaped connecting rods 302; bend 3 left side wall front and back ends of base and all install the L type mounting bar 303 of upwards buckling, 3 left sides of base of bending are provided with pressure strip 304, and slide respectively to set up on two L type mounting bars 303 at both ends around pressure strip 304, be connected with pressure spring 305 between the vertical section of pressure strip 304 and L type mounting bar 303. During specific work, because the length of the copper bar 100 is fixed, the positions and the lengths of the first vertical section 110, the first horizontal section 120, the inclined section 130, the second horizontal section 140 and the second vertical section 150 formed by bending the copper bar 100 have specification requirements, and therefore the left and right positions of the copper bar 100 need to be limited and adjusted before the copper bar 100 is bent, the copper bar 100 only needs to be pushed rightwards during adjustment until the right end of the copper bar 100 is in contact with the positioning panel 301 on the right side of the bending base 3, meanwhile, the left side of the copper bar 100 is in contact with the pressure strip 304, then the pressure strip 304 pushes the copper bar 100 rightwards under the cooperation of the pressure spring 305, and the right end of the copper bar 100 is in contact with the positioning panel 301 all the time, so that the right end of the copper bar 100 is in contact with the positioning panel 301 before the copper bar 100 on the horizontal section 311 on the left side of the bending base 3 is pressed by the pressure positioning plate 71, and the right end of the copper bar 100 is in contact with the positioning panel 301.
The invention comprises the following working steps: the first step is as follows: at first place a plurality of copper bars 100 of waiting to bend on base panel 32 and the left side horizontal segment 311 of base 3 of bending to position about copper bar 100 is injectd through a plurality of centre gripping stop gear 36, then promotes copper bar 100 and moves to the right until copper bar 100 right-hand member and location panel 301 contact, copper bar 100 left end and pressure strip 304 contact simultaneously, tentatively accomplish the injecing to copper bar 100 position this moment.
The second step is that: the hydraulic cylinder 6 pushes the pressing panel 7 to move downwards, so that the pressing panel 7 drives the pressing positioning plate 71 and the bending frame 72 to move downwards respectively through the pressing rod 74 and the connecting plate 73, the pressing positioning plate 71 compresses and fixes the copper bar 100 on the left horizontal section 311 of the bending base 3 firstly, the limiting vertical plate 361 compresses and fixes the copper bar 100 through the guide groove 363 of the V-shaped structure in the compression process, the elastic arc-shaped plate 368 clamps the copper bar 100 tightly, the front end and the rear end of the copper bar 100 are pressed downwards through the limiting pressing strip 366, and the problem of tilting of the copper bar before and after the copper bar 100 is prevented from appearing.
The third step: after the copper bar 100 is pressed and fixed by pressing the positioning plate 71, the pressing panel 7 continues to drive the bending frame body 72 to move downwards until the bending frame body 72 pushes the base panel 32 to move downwards to the right horizontal section 314 of the bending base 3 through the copper bar 100, and at the moment, the bending forming of the first horizontal section 120, the inclined section 130 and the second horizontal section 140 of the copper bar 100 is completed; meanwhile, the downward pressing vertical plate 77 on the left side of the downward pressing panel 7 moves downward synchronously in the process that the bending frame body 72 continues to push the base panel 32 to move downward, so that the left side of the copper bar 100 is bent downward, and at this time, the bending and forming of the first vertical section 110 of the copper bar 100 is completed.
The fourth step: the jacking hydraulic cylinder 38 pushes the jacking bending plate 37 to move upwards, so that the jacking bending plate 37 starts to bend the right side of the copper bar 100 upwards, and the second vertical section 150 of the copper bar 100 is bent and formed; and then the pressing positioning plate 71, the bending frame body 72, the base panel 32, the lower vertical pressing plate 77 and the jacking bending plate 37 are all returned to the initial positions under the driving of the lower hydraulic cylinder 6 and the jacking hydraulic cylinder 38, and then the bent and molded copper bar 100 is taken out.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-low voltage power distribution cabinet connects copper bar multistation bender, includes bottom plate (1), support riser (2), base (3) of bending, support column (4), roof (5), pushes down pneumatic cylinder (6) and pushes down panel (7), its characterized in that: a bending base (3) is arranged above the bottom plate (1), the bending base (3) is installed on the bottom plate (1) through a plurality of supporting vertical plates (2) which are distributed at equal intervals, a top plate (5) is arranged above the bending base (3), the top plate (5) is fixed on the bottom plate (1) through four supporting columns (4), a pressing panel (7) is arranged between the top plate (5) and the bending base (3), the pressing panel (7) is arranged on the supporting columns (4) in a sliding mode, a pressing hydraulic cylinder (6) is installed in the middle of the top plate (5), and the bottom of the pressing hydraulic cylinder (6) is connected with the pressing panel (7); wherein:
the bending base (3) is integrally of a step structure with a high left and a low right, the upper end face of the bending base (3) is sequentially divided into a left horizontal section (311), a middle vertical section (312) and a right horizontal section (314) from left to right, the corner of the joint of the left horizontal section (311) and the middle vertical section (312) of the bending base (3) is of an inclined plane (313) structure, and the corner of the joint of the right horizontal section (314) and the middle vertical section (312) of the bending base (3) is of a right-angle structure;
a base panel (32) is arranged above a right horizontal section (314) of the bending base (3), the lower end of the base panel (32) is connected with a plurality of supporting rods (33), the lower ends of the supporting rods (33) penetrate through the bending base (3) in a sliding mode, a connecting circular plate (34) is installed at the end portion of each supporting rod (33), a first spring (35) is sleeved on each supporting rod (33), the first springs (35) are located between the connecting circular plates (34) and the bending base (3), and a plurality of clamping and limiting mechanisms (36) which are distributed at equal intervals from front to back are arranged on the upper end face of the base panel (32) and the left horizontal section (311) of the bending base (3);
the clamping limiting mechanism (36) comprises a limiting vertical plate (361), guide rods (362), guide grooves (363) and a reset spring (364), limiting grooves which are symmetrically distributed in the front and back are formed in the upper end face of the base panel (32) and the left horizontal section (311) of the bending base (3), the limiting vertical plate (361) is arranged in each limiting groove, two guide rods (362) which are arranged up and down are arranged at the left end and the right end of the limiting vertical plate (361), the guide grooves (363) for the guide rods (362) to slide are formed in the left side and the right side of each limiting groove, and the reset spring (364) is connected between the side wall of the limiting vertical plate (361) and each limiting groove;
the guide groove (363) is of a V-shaped structure with a vertical lower end and an inclined upper end, an included angle between the upper end and the lower end of the guide groove (363) is larger than 90 degrees, and the distance from the inclined section of the upper end of the guide groove (363) to the midpoint between the two limiting vertical plates (361) is gradually reduced from top to bottom;
the pressing positioning plate (71) and the bending frame body (72) are sequentially arranged from left to right below the lower pressing panel (7), the bending frame body (72) is connected with the lower pressing panel (7) through a plurality of connecting plates (73) which are distributed at equal intervals, the upper end of the pressing positioning plate (71) is connected with a plurality of lower pressing rods (74) which are uniformly distributed, the top of each lower pressing rod (74) penetrates through the lower pressing panel (7) in a sliding mode, an auxiliary circular plate (75) is installed at the end of each lower pressing rod (74), a second spring (76) is sleeved on each lower pressing rod (74), the two ends of each second spring (76) are respectively connected to the pressing positioning plate (71) and the lower pressing panel (7), a lower pressing vertical plate (77) is installed on the left side of the lower pressing panel (7), and the bottom of each lower pressing vertical plate (77) is higher than the bottom of the pressing positioning plate (71) in an initial state;
the bending base (3) is characterized in that a jacking bending plate (37) is arranged on the right side wall of the bending base in an up-and-down sliding mode, jacking hydraulic cylinders (38) are installed on the upper end face of the bottom plate (1) and located on the front side and the rear side of the jacking bending plate (37), and the output ends of the jacking hydraulic cylinders (38) are connected with connecting seats (39) arranged on the jacking bending plate (37).
2. The multi-station bending machine for the connecting copper bars of the high-low voltage power distribution cabinets according to claim 1, is characterized in that: spacing riser (361) top install two U type frame (365) of controlling the inversion that distribute, it is provided with spacing layering (366) to slide from top to bottom in U type frame (365), be connected with spacing spring (367) between spacing layering (366) and U type frame (365) top, press locating plate (71) down terminal surface and bend framework (72) down terminal surface all seted up with U type frame (365) and spacing layering (366) matched with recess, two that distribute around the upper end of the relative one side of spacing riser (361) is provided with elasticity arc (368).
3. The multi-station bending machine for the connecting copper bars of the high-low voltage power distribution cabinets according to claim 1, is characterized in that: the bending machine is characterized in that a vertical positioning panel (301) is arranged on the right side of the bending base (3), and the positioning panel (301) is fixed on the right side wall of the bending base (3) through two L-shaped connecting rods (302).
4. The multi-station bending machine for the connecting copper bars of the high-low voltage power distribution cabinets according to claim 1, is characterized in that: bend base (3) left side wall front and back end and all install L type mounting bar (303) of upwards buckling, it is provided with pressure strip (304) to bend base (3) left side, and slides respectively to set up on two L type mounting bars (303) at both ends around pressure strip (304), be connected with pressure spring (305) between pressure strip (304) and the vertical section of L type mounting bar (303).
5. The multi-station bending machine for the connecting copper bars of the high-low voltage power distribution cabinets according to claim 1, is characterized in that: the bending frame body (72) is integrally of a U-shaped structure with an open upper end, an inclined plane structure is arranged at the bottom of the left side of the bending frame body (72), and the inclined plane at the bottom of the left side of the bending frame body (72) is parallel to the inclined plane (313) of the bending base (3).
6. The multi-station bending machine for the connecting copper bars of the high-low voltage power distribution cabinets according to claim 1, is characterized in that: the height from the bottom of the inclined surface (313) of the bending base (3) to the right horizontal section (314) of the bending base (3) is greater than or equal to the thickness of the base panel (32).
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| CN108043928A (en) * | 2017-11-29 | 2018-05-18 | 艾来得科技（苏州）有限公司 | A kind of zigzag bronze medal bending equipment |
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| CN213701299U (en) * | 2020-10-30 | 2021-07-16 | 张家港市天昇电气有限公司 | Bender is used in switch board production |
| CN113680858A (en) * | 2021-08-11 | 2021-11-23 | 江苏舒尔驰精密金属成形有限公司 | Stamping die resilience quick adjusting device that bends |
| CN214976836U (en) * | 2021-07-12 | 2021-12-03 | 衡水帅印橡塑制品有限公司 | Quick automatic molding bender |
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| CA2052514A1 (en) * | 1990-10-01 | 1992-04-02 | Reinier Baartman | Method of bending a laminate having a thermoplastic core layer and metal sheets on each side |
| CN103551456A (en) * | 2013-09-29 | 2014-02-05 | 昆山振兴精密模具有限公司 | Z-shaped bending mold |
| CN206500501U (en) * | 2017-02-22 | 2017-09-19 | 东莞沃登精工模具有限公司 | A kind of rapid shaping steel mold |
| CN108043928A (en) * | 2017-11-29 | 2018-05-18 | 艾来得科技（苏州）有限公司 | A kind of zigzag bronze medal bending equipment |
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| CN213701299U (en) * | 2020-10-30 | 2021-07-16 | 张家港市天昇电气有限公司 | Bender is used in switch board production |
| CN112845697A (en) * | 2020-12-29 | 2021-05-28 | 广州奇典皮件有限公司 | Angle-adjustable bending machine for sheet metal part production and bending method thereof |
| CN214976836U (en) * | 2021-07-12 | 2021-12-03 | 衡水帅印橡塑制品有限公司 | Quick automatic molding bender |
| CN113680858A (en) * | 2021-08-11 | 2021-11-23 | 江苏舒尔驰精密金属成形有限公司 | Stamping die resilience quick adjusting device that bends |
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