CN102699684A - Manufacturing method and device of U-shaped connecting piece - Google Patents

Manufacturing method and device of U-shaped connecting piece Download PDF

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Publication number
CN102699684A
CN102699684A CN2012102160557A CN201210216055A CN102699684A CN 102699684 A CN102699684 A CN 102699684A CN 2012102160557 A CN2012102160557 A CN 2012102160557A CN 201210216055 A CN201210216055 A CN 201210216055A CN 102699684 A CN102699684 A CN 102699684A
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China
Prior art keywords
type connector
patrix
center line
rod
plate
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CN2012102160557A
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Chinese (zh)
Inventor
李代君
黄国焕
张桂宝
张治湘
付超
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JIANGSU ZHENGUANG POWER EQUIPMENT CONSTRUCTION CO Ltd
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JIANGSU ZHENGUANG POWER EQUIPMENT CONSTRUCTION CO Ltd
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Priority to CN2012102160557A priority Critical patent/CN102699684A/en
Publication of CN102699684A publication Critical patent/CN102699684A/en
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Abstract

The invention relates to a manufacturing method and device of a U-shaped connecting piece, belonging to machining methods and devices. The manufacturing method comprises the following process steps: A) shearing process step; B) punching process step; C) positioning process step; D) heating process step; and E) bending forming process step. The manufacturing device comprises a shearing machine or a numerical control cutting machine, a numerical control punching machine and a heating facility, namely an oxyacetylene baking gun or a super-audio frequency induction coil, and is characterized by further comprising a hydraulic machine for starting an upper die cutter plate to move downwards vertically and a bending forming machine which is matched with the vertical downward movement of the upper die cutter plate for jointly machining the U-shaped connecting piece, and the bending forming machine comprises a positioning mechanism, an extrusion bending mechanism and a jacking mechanism. Trials prove that: compared with the prior art, the manufacturing method has the following beneficial effects: the dimensional precision of a finished product is high, and the qualification rate is high; and the machining process steps are reduced from 8 lines in the prior art to 5 lines, the time for completing bending forming is reduced from 9-11 minutes in the prior art to 2 minutes, the production efficiency is greatly improved, and labor hours and material cost are reduced.

Description

U type connector manufacturing approach and equipment
Technical field: the invention belongs to machining process and equipment, particularly a kind of U type connector manufacturing approach and equipment.
Background technology: U type connector be strip steel plate with long 400-1600 millimeter, wide 200-500 millimeter 180 ° of center line position bendings, become the cross section and become the U type, be designed with 4-16 at its 2 tabular parallel portion close ends the bolt of same center line is connected the connector with the hole.U type connector is usually used in the structure connection of power transmission tower as the connector between the pipe tower member.
The prior art manufacturing approach and the equipment of U type connector are: 1, shear operation: use plate shearing machine to cut into blank by the length dimension of the width dimensions of specification requirement, specification requirement 5% surplus that extends again; 2, punching operation: use perforating press at a near-end position of blank, go out 4-16 bolt connection by specification requirement and use the hole; 3, heating process: have bolt to connect to use an end in hole to be benchmark to dash, in the 1/2 place setting-out by the specification requirement specific length of blank, the operative employee uses oxycetylene to dry by the fire rifle to heat 1/2 setting-out place to steel plate and become bolarious 850-900 ℃; 4, brake forming operation: by the hand-held specific purpose tool nip blank two ends of 2 operative employees; 1/2 setting-out between making is wherein burnt red place and is leaned against fixing leaning on the post mold; 1 operative employee using oxycetylene baking rifle continues under the condition of heating simultaneously; Rely on 2 operative employees' at nip blank two ends hand-held strength curved blank,, become the semi-finished product blank that the cross section becomes the U type until 180 ° of center line position bendings; Be grade spacing of opening of 2 tabular parallel portion of U type connector with the column external diameter that leans on post mold in the BENDING PROCESS, with dash the end that has bolt to connect to use the hole as the benchmaring bending part whether just on center line; 5, surplus cutting action: have the bolt connection to use an end in hole accurately to calculate the length dimension of specification requirement as benchmark to dash; Meet the setting-out of length dimension place at the other end, use the oxycetylene cutting gun to cut away the part of the unnecessary about length 5% of semi-finished product blank end along other end setting-out place; 6, scarfing cinder polishing operation: use specific purpose tool to remove oxycetylene cutting gun cutting residue, the corner angle that form in the polishing cutting make it level and smooth; 7, drilling operating: connect a end with the hole at U type semi-finished product blank non-bolt; Thickness separates the identical central dividing plate of shelves spacing with 2 tabular parallel portion on pad between its 2 tabular parallel portion earlier; 4-16 the bolt connection of having gone out with an end is as the criterion with the hole; Use drilling machine to pass existing bolt connection by drill bit and use the hole, 4-16 the bolt that processes the same center line of the other end one by one connects uses the hole; 8, edge, hole burr polishing operation: use the special grinding instrument to grind off edge, the hole burr that boring procedure produces, accomplish whole molding procedure.
The prior art manufacturing approach and the equipment of U type connector have shown following deficiency in actual use:
1, U type connector finished size low precision, product qualified rate is low.Because the brake forming operation is by the hand-held specific purpose tool nip blank two ends of 2 operative employees; 1/2 setting-out between making is wherein burnt red place and is leaned against fixing leaning on the post mold; 1 operative employee using oxycetylene baking rifle continues under the condition of heating simultaneously, relies on 2 operative employees' at nip blank two ends hand-held strength curved blank, until 180 ° of center line position bendings; Be to be grade spacing of opening of 2 tabular parallel portion of U type connector in the bending with the column external diameter that leans on post mold; With dash the end have bolt to connect to use the hole as the benchmaring bending part whether just on center line, the brake forming of this dependence manpower confirms that according to simple die bending part is whether just on center line; Must be poor dimensional precision, product qualified rate be low.
2, complicated, the time and effort consuming of operation seriously restricts the raising of production efficiency.As stated, at first on the U type connector bolt at two ends connect with brill behind the subpunch of hole and carry out edge, the hole burr of polishing again after the boring at twice; Secondly the definite of length dimension also is to leave 5% surplus earlier, and cutting sanction is again gone after the brake forming, and then scarfing cinder polishing, the not only complicated but also time and effort consuming low precision of operation.
3, not only time cost is high, and material cost also cuts into blank and increases because of processing technology 5% surplus that requires to extend.
This shows, study and design that a kind of finished size precision is high, qualification rate is high, increased substantially production efficiency again, reduced cost improvement U type connector manufacturing approach and equipment be necessary.
Summary of the invention: the objective of the invention is to overcome the deficiency of prior art, study and design that a kind of finished size precision is high, qualification rate is high, increased substantially production efficiency again, reduced cost improvement U type connector manufacturing approach and equipment.
Technical scheme of the present invention is:
A kind of U type connector manufacturing approach is characterized in that comprising following operation:
A, shear operation: use plate shearing machine or numerical control cutting machine accurately to cut into blank by the width dimensions of specification requirement, the length dimension of specification requirement;
B, punching operation: use the numerical control punching machine to go out whole bolts connections at U type connector blank both ends and use the hole by specification requirement;
C, positioning process: with U type connector blank be placed horizontally at bender detent mechanism, squeeze the bender structure, above the jacking mechanism; Make the center line of U type connector be positioned at patrix knife plate center line earlier---the vertical plane at upper plate center line place; Manual adjustments handwheel rotating stand spacing adjusting screw(rod), rotational positioning distance between plates adjusting screw(rod) then are connected with the hole socket that coincides the bolt at both ends on the reference column that is positioned at location-plate and the U type connector;
D, heating process: use oxycetylene baking rifle or superaudio induction coil heating U type connector blank center line position to be heated to blank and be bolarious 850-900 ℃;
E, brake forming operation: startup is linked with the patrix knife plate and makes it downward hydraulic press; The spindle nose center line aligning U type connector blank center line of patrix knife plate is pressed down; Hold out against on the upper plate of bender jacking mechanism descending together; It is descending that the top end that is linked in the upper plate two ends overcomes the elastic restoring force of top spring thereupon; The oblique shape side of top end overcomes following locking wheel that the elastic restoring force extruding of back-moving spring is positioned at crank one end to two lateral movements, and the last locking wheel that drives the crank other end moves upward along the arc surfaced confined planes that has a down dip of locking projection, force two ends be linked in versatilely respectively between 2 crank middle bent points of homonymy 2 compress supporting-point roller each other near; Extruding makes it middle bent to U type connector, two ends upwarp; The bolt at U type connector both ends connects to deviate from from the reference column of socket with the hole, and parallel up to 2 plate portions of U type connector, touch near switch the top end lower end; Cut off to connect the patrix knife plate and make it the power supply of downward hydraulic press, the patrix knife plate stops to press down; Under the effect of the elastic restoring force of top spring, will bend to the U type connector finished product that meets specification requirement through the U of punching-heating type connector blank and upwards eject, accomplish whole manufacture processes.
A kind of pipe fitting end U type connector manufacturing equipment; Comprise plate shearing machine or numerical control cutting machine, numerical control punching machine, heating facility oxycetylene baking rifle or superaudio induction coil; It is characterized in that also comprising the vertical descending hydraulic press of startup patrix knife plate; The bender that cooperates the vertical descending common processing U type connector of patrix knife plate; It comprises detent mechanism, squeezes the bender structure, and jacking mechanism: detent mechanism comprises 2 closed slides that are fixed on the pedestal of ground; Cross-over connection and be displaced into two closed slide two ends, 2 be used to cooperate that bolt connects the bearing with the hole on the U type connector of location; The 1 standoff distance adjusting screw(rod) that is used for 2 standoff distance of transfer is installed on the adjusting handle of spacing adjusting screw(rod) one end, and each is provided with above the bearing and is matched with that bolt connects 2 reference columns with the hole on the U type connector; Said each 2 reference column above the bearing lay respectively on 2 location-plates with the perpendicular configuration of standoff distance adjusting screw(rod), and each is provided with the location-plate spacing adjusting screw(rod) that is used for transfer location-plate spacing above the bearing; Squeeze the supporting seat that the bender structure comprises 2 cross-over connections and is displaced into 2 closed slide mid point both sides; The U type connector that is used to regulate 2 supporting seat spacings is opened a grade spacing adjusting screw(rod); Being positioned at U type connector opens a grade spacing adjusting screw(rod) mid point, is socketed on U type connector versatilely and opens the screw bolt seat on grade spacing adjusting screw(rod); Pass the adjustment hole of supporting seat base portion; Cooperate U type connector to open the lock(ing) bolt that grade spacing adjusting screw(rod) is used the supporting seat locking position on both sides; Lay respectively at 4 connecting rod supports of both sides on the involutory vertical plane of two supporting seats, an end is linked in 4 connecting rods on the connecting rod support respectively versatilely, and middle bent point is linked in 4 cranks of the connecting rod other end respectively versatilely; 2 of being linked in versatilely respectively between 2 crank middle bent points of homonymy in two ends compress supporting-point roller; Go up locking wheel, 4 following locking wheels for 4 that are linked in the crank two ends respectively versatilely, be matched with 4 locking projections of locking wheel respectively, will lock 4 locking projection seats that projection is fixed in both sides on the involutory vertical plane of supporting seat respectively; One end is linked in down 4 bolts that locking wheel, the other end are individually fixed in both sides on the involutory vertical plane of supporting seat respectively, is matched with down locking wheel respectively, is socketed in 4 back-moving springs on the bolt; Jacking mechanism comprises 2 top springs of spring coil center line and patrix knife plate centerline both sides on same vertical plane; The upper end is connected in 2 top ends that shape side spring top, 2 tops, oblique is matched with down locking wheel respectively; The upper plate of 2 top end upper ends is fixed in cross-over connection; The crooked completion of the U type connector that is matched with the top end lower end used near switch, be linked in the upper plate two ends, lasso center line and patrix knife plate centerline be on same vertical plane
U type connector manufacturing approach and equipment that the present invention's enforcement obtains through on probation, have compared with prior art shown following beneficial effect:
1, the finished size precision is high, qualification rate is high.On the one hand with the shear operation of prior art in length dimension must extend again that to cut into blank different for 5% surplus; Owing to accurately locate through the detent mechanism of bender before the heating-brake forming operation; Guaranteed that U type connector bending part accurately is positioned on the center line; Therefore the surplus that need not to extend cuts, and disposable length according to specification requirement accurately cuts, and has avoided confirming for several times in the prior art length mismachining tolerance that benchmark causes; On the other hand with the U type connector of prior art on the bolt at two ends to connect with the hole be that the hole of subpunch one end, the hole that the other end is bored in the back are carried out different at twice; Use perforating press to go out whole bolts connections at U type connector blank both ends in the punching operation and use the hole by specification requirement; Owing to accurately locate through the mechanism of bender before the heating-brake forming operation; Guaranteed that U type connector bending part accurately is positioned on the center line, the bolt of also just guaranteeing the U type connector two ends after the brake forming connects with center, hole correspondence one by one; Again on the one hand with the dependence manpower brake forming of prior art; Confirm that according to simple die bending part is different; Adopting makes the center line of U type connector be positioned at patrix knife plate center line earlier---the vertical plane at upper plate center line place; Manual adjustments handwheel rotating stand spacing adjusting screw(rod), rotational positioning distance between plates adjusting screw(rod) then are connected with the hole socket that coincides the bolt at both ends on the reference column that is positioned at location-plate and the U type connector; Start then and be linked with the patrix knife plate and make it downward hydraulic press; The spindle nose center line aligning U type connector blank center line of patrix knife plate is pressed down; Under the detent mechanism of bender, crowded bender structure, jacking mechanism acting in conjunction,, improved the finished size precision from above three aspects by the machine power brake forming.Just because of removed the randomness that prior art relies on the manpower brake forming to process, use the uniformity of machine power brake forming high, also just must improve product qualified rate.
2, increased substantially production efficiency, reduced cost.Need not surplus cutting action of the prior art, scarfing cinder polishing operation on the one hand; Drilling operating, edge, hole burr polishing operation, the whole machining process operation is reduced to 5 roads by 8 roads; On the other hand; Because machine power is far longer than two people's manpower in the brake forming; Reduce to 3-4 minute by 5-7 minute of prior art heat time heating time in same heating process, in same brake forming operation, accomplishes the brake forming time to reduce to 2 minutes by 9-11 minute of prior art.According to initial estimate, accomplish the 0.8 hour people of every U type connector average man-hours by prior art, shorten to 0.1 hour people, production efficiency improves 8 times.Except reducing work hours, because 5% surplus that need not as prior art, to extend cuts into blank, material cost also must reduce 5%.
Description of drawings: Fig. 1 is the sketch map that meets the thematic structure of manufacturing equipment among the present invention; Fig. 2 be among the present invention manufacturing equipment schematic top plan view; Fig. 3 be among the present invention in the manufacturing equipment use U type connector be bent sketch map; Fig. 4 be among the present invention in the manufacturing equipment use brake forming of U type connector accomplish sketch map.
The specific embodiment: with manufacturing approach implementation detail explanation of the present invention as follows below in conjunction with accompanying drawing:
A, shear operation: use plate shearing machine or numerical control cutting machine accurately to cut into blank as shown in Figure 18 by the width dimensions of specification requirement, the length dimension of specification requirement;
B, punching operation: use the numerical control punching machine to go out bolt all as shown in Figure 1 at U type connector blank 8 both ends and connect with hole 81 by specification requirement;
C, positioning process: with U type connector blank 8 be placed horizontally at bender detent mechanism 2, squeeze bender structure 3, above the jacking mechanism 4; Make the center line of U type connector be positioned at patrix knife plate 1 center line earlier---the vertical plane at upper plate 43 center lines place; Manual adjustments handwheel 231 rotating stand spacing adjusting screw(rod)s 23, rotational positioning distance between plates adjusting screw(rod) 223 then are connected with hole 81 socket that coincides the bolt at both ends on the reference column 221 that is positioned at location-plate 222 and the U type connector;
D, heating process: use oxycetylene baking rifle or superaudio induction coil heating U type connector blank 8 center line positions, be heated to blank and be bolarious 850-900 ℃;
E, brake forming operation: like Fig. 1,2,3, shown in 4; Start and be linked with patrix knife plate 11 and make it downward hydraulic press 1; The spindle nose 12 center lines aligning U type connector blank center line of patrix knife plate is pressed down; Hold out against on the upper plate 43 of bender jacking mechanism descendingly together, it is descending that the top end 42 that is linked in the upper plate two ends overcomes the elastic restoring force of top spring 41 thereupon, and the oblique shape side of top end overcomes following locking wheel 37 that the elastic restoring force extruding of back-moving spring 372 is positioned at crank 34 1 ends to two lateral movements; The last locking wheel 36 that drives the crank other end moves upward along the arc surfaced confined planes that has a down dip of locking projection 361; Force two ends be linked in versatilely respectively between 2 crank middle bent points of homonymy 2 compress supporting-point roller 35 each other near, extruding makes it middle bent to U type connector, two ends upwarp, the bolt at U type connector both ends connects to deviate from from the reference column 221 of socket with hole 81; 2 plate portions up to U type connector are parallel; Touch near switch 44 the top end lower end, cuts off the power supply that is linked with the patrix knife plate and makes it downward hydraulic press, and the patrix knife plate stops to press down; Under the effect of the elastic restoring force of top spring, upwards eject bending to the U type connector finished product that meets specification requirement, accomplish whole manufacture processes.
Like Fig. 1,2,3, shown in 4; A kind of pipe fitting end U type connector manufacturing equipment comprises plate shearing machine, perforating press, heating facility, it is characterized in that also comprising startup patrix knife plate 11 vertical descending hydraulic presses 1; The bender that cooperates the vertical descending common processing U type connector 8 of patrix knife plate; It comprises detent mechanism 2, squeezes bender structure 3, jacking mechanism 4:
---detent mechanism comprises 2 closed slides 21 that are fixed on the pedestal of ground; Cross-over connection and be displaced into two closed slide two ends, 2 be used to cooperate that bolt connects the bearing 22 with hole 81 on the U type connector of location; The 1 standoff distance adjusting screw(rod) 23 that is used for 2 standoff distance of transfer; Be installed on the adjusting handle 231 of spacing adjusting screw(rod) one end; Each is provided with above the bearing and is matched with bolt on the U type connector and connects 2 reference columns 221 with the hole; Said each 2 reference column above the bearing lay respectively on 2 location-plates 222 with the perpendicular configuration of standoff distance adjusting screw(rod), and each is provided with the location-plate spacing adjusting screw(rod) 223 that is used for transfer location-plate spacing above the bearing;
---squeeze the supporting seat 31 that the bender structure comprises 2 cross-over connections and is displaced into 2 closed slide mid point both sides; The U type connector that is used to regulate 2 supporting seat spacings is opened a grade spacing adjusting screw(rod) 32; Being positioned at U type connector opens a grade spacing adjusting screw(rod) mid point, is socketed on U type connector versatilely and opens the screw bolt seat 321 on grade spacing adjusting screw(rod); Pass the adjustment hole 312 of supporting seat base portion; Cooperate U type connector to open the lock(ing) bolt 311 that grade spacing adjusting screw(rod) is used the supporting seat locking position on both sides; Lay respectively at that 4 connecting rod support 331, one ends of both sides are linked in 4 connecting rods 33 on the connecting rod support respectively versatilely on the involutory vertical plane of two supporting seats, middle bent point is linked in 4 cranks 34 of the connecting rod other end respectively versatilely; 2 of being linked in versatilely respectively between 2 crank middle bent points of homonymy in two ends compress supporting-point roller 35; Go up 36,4 following locking wheels 37 of locking wheel for 4 that are linked in the crank two ends respectively versatilely, be matched with 4 locking projections 361 of locking wheel respectively, will lock 4 locking projection seats 362 that projection is fixed in both sides on the involutory vertical plane of supporting seat respectively; One end is linked in down 4 bolts 371 that locking wheel, the other end are individually fixed in both sides on the involutory vertical plane of supporting seat respectively, is matched with down locking wheel respectively, is socketed in 4 back-moving springs 372 on the bolt;
---jacking mechanism comprises 2 top springs 41 of spring coil center line and patrix knife plate centerline both sides on same vertical plane; The upper end is connected in 2 top ends 42 that shape side spring top, 2 tops, oblique is matched with down locking wheel respectively; The upper plate 43 of 2 top end upper ends is fixed in cross-over connection; The crooked completion of the U type connector that is matched with the top end lower end used near switch 44; Be linked in the upper plate two ends, lasso center line and the guide pin bushing 45 of patrix knife plate centerline on same vertical plane, post center line and the guide pillar that versatilely pass guide pin bushing 46 of patrix knife plate centerline on same vertical plane.
Like Fig. 1,3, shown in 4, described patrix knife plate 1 lower end is linked with replaceable spindle nose 12.The replacing of described replaceable spindle nose 12 is meant the difference of opening grade spacing dimension according to 2 tabular parallel portion of U type connector, replaceable go up axle external diameter and its 2 tabular parallel portion open the identical spindle nose of grade spacing dimension.
Like Fig. 1, shown in 2; Described be used for cooperating bolt on the U type connector of location to connect being provided with above the bearing with the bearing 22 in hole 81 and each be matched with on the U type connector bolt connection with the cooperation of 2 reference columns 221 in hole; Be meant that the center line that makes U type connector 8 earlier is positioned at patrix knife plate 1 center line---the vertical plane at upper plate 43 center lines place; Manual adjustments handwheel 231 rotating stand spacing adjusting screw(rod)s 23, rotational positioning distance between plates adjusting screw(rod) 223 then are connected with the hole socket that coincides the bolt at both ends on the reference column that is positioned on the location-plate and the U type connector.
Like Fig. 1,3, shown in 4, the line at described crank 34 middle bent points to upper and lower locking wheel 36,37 centers is vertical each other.
Like Fig. 1,3, shown in 4, described 4 confined planes of locking between projection 361 and the last locking wheel 36 that are matched with locking wheel respectively are the arc surfaceds that has a down dip.Confined planes between described locking projection 361 and the last locking wheel 36 is to have a down dip in the cambered surface, and the center of arc position of the cambered surface that has a down dip is lower than the center of circle of going up locking wheel.
Like Fig. 1,3, shown in 4, the upper surface circle diameter of described top end 42 is greater than the top spring ring diameter of top spring 41.
Like Fig. 1,3, shown in 4; The oblique shape side of described top end 42 is matched with down the cooperation in the locking wheel; Be meant that in the U type connector forming process patrix knife plate is about to U type connector for 1 time and holds out against in upper plate 43; Upper plate is together with top end---top spring 41 presses down, when the oblique shape side of top end is close to down locking wheel, force down locking wheel along the oblique shape side of top end to two lateral movements.
As shown in Figure 4; Described crooked completion of U type connector that is matched with the top end lower end used near the crooked completion of the U type connector in the switch 44; Be meant the following locking wheel 37 that is positioned at crank 34 1 ends along the oblique shape side of top end 42 when two lateral movements; The last locking wheel 36 that drives the crank other end moves upward along the arc surfaced confined planes that has a down dip of locking projection 361; Force two ends be linked in versatilely respectively between 2 crank middle bent points of homonymy 2 compress supporting-point roller 35 each other near, the U type connector 8 that bends to 2 tabular parallel portion is continued extruding, touch up to the top end lower end and just stop near switch.

Claims (10)

1. U type connector manufacturing approach is characterized in that comprising following operation:
A, shear operation: use plate shearing machine or numerical control cutting machine accurately to cut into blank by the width dimensions of specification requirement, the length dimension of specification requirement;
B, punching operation: use the numerical control punching machine to go out whole bolts connections at U type connector blank both ends and use the hole by specification requirement;
C, positioning process: with U type connector blank be placed horizontally at bender detent mechanism, squeeze the bender structure, above the jacking mechanism; Make the center line of U type connector be positioned at patrix knife plate center line earlier---the vertical plane at upper plate center line place; Manual adjustments handwheel rotating stand spacing adjusting screw(rod), rotational positioning distance between plates adjusting screw(rod) then are connected with the hole socket that coincides the bolt at both ends on the reference column that is positioned at location-plate and the U type connector;
D, heating process: use oxycetylene baking rifle or superaudio induction coil heating U type connector blank center line position to be heated to blank and be bolarious 850-900 ℃;
E, brake forming operation: startup is linked with the patrix knife plate and makes it downward hydraulic press; The spindle nose center line aligning U type connector blank center line of patrix knife plate is pressed down; Hold out against on the upper plate of bender jacking mechanism descending together; It is descending that the top end that is linked in the upper plate two ends overcomes the elastic restoring force of top spring thereupon; The oblique shape side of top end overcomes following locking wheel that the elastic restoring force extruding of back-moving spring is positioned at crank one end to two lateral movements, and the last locking wheel that drives the crank other end moves upward along the arc surfaced confined planes that has a down dip of locking projection, force two ends be linked in versatilely respectively between 2 crank middle bent points of homonymy 2 compress supporting-point roller each other near; Extruding makes it middle bent to U type connector, two ends upwarp; The bolt at U type connector both ends connects to deviate from from the reference column of socket with the hole, and parallel up to 2 plate portions of U type connector, touch near switch the top end lower end; Cut off to connect the patrix knife plate and make it the power supply of downward hydraulic press, the patrix knife plate stops to press down; Under the effect of the elastic restoring force of top spring, will bend to the U type connector finished product that meets specification requirement through the U of punching-heating type connector blank and upwards eject, accomplish whole manufacture processes.
2. U type connector manufacturing equipment; Comprise plate shearing machine or numerical control cutting machine, numerical control punching machine, heating facility oxycetylene baking rifle or superaudio induction coil; It is characterized in that also comprising starting the vertical descending hydraulic press (1) of patrix knife plate (11) that cooperate the bender of the vertical descending common processing U type connector (8) of patrix knife plate, it comprises detent mechanism (2); Squeeze bender structure (3), jacking mechanism (4):
---detent mechanism comprises 2 closed slides (21) that are fixed on the pedestal of ground; Cross-over connection and be displaced into two closed slide two ends, 2 be used for cooperating that bolt connects the bearing (22) with hole (81) on the U type connector of location; The 1 standoff distance adjusting screw(rod) (23) that is used for 2 standoff distance of transfer; Be installed on the adjusting handle (231) of spacing adjusting screw(rod) one end; Each is provided with above the bearing and is matched with bolt on the U type connector and connects 2 reference columns (221) with the hole; Said each 2 reference column above the bearing lay respectively on 2 location-plates (222) with the perpendicular configuration of standoff distance adjusting screw(rod), and each is provided with the location-plate spacing adjusting screw(rod) (223) that is used for transfer location-plate spacing above the bearing;
---squeeze the supporting seat (31) that the bender structure comprises 2 cross-over connections and is displaced into 2 closed slide mid point both sides; The U type connector that is used to regulate 2 supporting seat spacings is opened a grade spacing adjusting screw(rod) (32); Being positioned at U type connector opens a grade spacing adjusting screw(rod) mid point, is socketed on U type connector versatilely and opens the screw bolt seat (321) on grade spacing adjusting screw(rod); Pass adjustment hole (312), the cooperation U type connector of supporting seat base portion and open the lock(ing) bolt (311) that grade spacing adjusting screw(rod) is used the supporting seat locking position on both sides; Lay respectively at 4 connecting rod supports (331) of both sides on the involutory vertical plane of two supporting seats; One end is linked in 4 connecting rods (33) on the connecting rod support respectively versatilely; Middle bent point is linked in 4 cranks (34) of the connecting rod other end respectively versatilely; 2 of being linked in versatilely respectively between 2 crank middle bent points of homonymy in two ends compress supporting-point roller (35); Go up locking wheel (36), 4 following locking wheels (37) for 4 that are linked in the crank two ends respectively versatilely, be matched with 4 locking projections (361) of locking wheel respectively, will lock 4 locking projection seats (362) that projection is fixed in both sides on the involutory vertical plane of supporting seat respectively; One end is linked in down 4 bolts (371) that locking wheel, the other end are individually fixed in both sides on the involutory vertical plane of supporting seat respectively, is matched with down locking wheel respectively, is socketed in 4 back-moving springs (372) on the bolt;
---jacking mechanism comprises 2 top springs (41) of spring coil center line and patrix knife plate centerline both sides on same vertical plane; The upper end is connected in 2 top ends (42) that shape side spring top, 2 tops, oblique is matched with down locking wheel respectively; The upper plate (43) of 2 top end upper ends is fixed in cross-over connection; The crooked completion of the U type connector that is matched with the top end lower end used near switch (44); Be linked in the upper plate two ends, lasso center line and the guide pin bushing (45) of patrix knife plate centerline on same vertical plane, post center line and the patrix knife plate centerline guide pillar that passes guide pin bushing versatilely (46) on same vertical plane.
3. U type connector manufacturing equipment according to claim 2; It is characterized in that described patrix knife plate (1) lower end is linked with replaceable spindle nose (11); Described replacing is meant the difference of opening grade spacing dimension according to 2 tabular parallel portion of U type connector, replaceable go up axle external diameter and its 2 tabular parallel portion open the identical spindle nose of grade spacing dimension.
4. U type connector manufacturing equipment according to claim 2; It is characterized in that described be used for cooperating bolt on the U type connector of location to connect being provided with above the bearing with the bearing (22) of hole (81) and each be matched with on the U type connector bolt connection with the cooperation of 2 reference columns (221) in hole; Be meant that the center line that makes U type connector (8) earlier is positioned at patrix knife plate (1) center line---the vertical plane at upper plate (43) center line place; Manual adjustments handwheel (231) rotating stand spacing adjusting screw(rod) (23), rotational positioning distance between plates adjusting screw(rod) (223) then are connected with the hole socket that coincides the bolt at both ends on the reference column that is positioned on the location-plate and the U type connector.
5. U type connector manufacturing equipment according to claim 2 is characterized in that the line at described crank (34) middle bent point to upper and lower locking wheel (36,37) center is vertical each other.
6. U type connector manufacturing equipment according to claim 2 is characterized in that the confined planes between described locking projection (361) and the last locking wheel (36) is the arc surfaced that has a down dip.
7. U type connector manufacturing equipment according to claim 6 is characterized in that the center of arc position of the described cambered surface that has a down dip is lower than the center of circle of going up locking wheel.
8. U type connector manufacturing equipment according to claim 2 is characterized in that the top spring ring diameter of the upper surface circle diameter of described top end (42) greater than top spring (41).
9. U type connector manufacturing equipment according to claim 2; The oblique shape side that it is characterized in that described top end (42) is matched with down cooperation in the locking wheel and is meant that under patrix knife plate (1) in the U type connector forming process, being about to U type connector holds out against in upper plate (43); Upper plate is together with top end---and top spring (41) presses down; When the oblique shape side of top end is close to down locking wheel, force down locking wheel along the oblique shape side of top end to two lateral movements.
10. U type connector manufacturing equipment according to claim 2; It is characterized in that the described U type connector that is matched with the top end lower end crooked accomplish to use near the U type connector in the switch (44) is crooked accomplish; Be meant the following locking wheel (37) that is positioned at crank (34) one ends along the oblique shape side of top end (42) when two lateral movements; The last locking wheel (36) that drives the crank other end moves upward along the arc surfaced confined planes that has a down dip of locking projection (361); Force two ends be linked in versatilely respectively between 2 crank middle bent points of homonymy 2 compress supporting-point roller (35) each other near; The U type connector (8) that bends to 2 tabular parallel portion is continued extruding draw close, shake-up just stops near switch up to the top end lower end.
CN2012102160557A 2012-06-26 2012-06-26 Manufacturing method and device of U-shaped connecting piece Pending CN102699684A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922288A (en) * 2012-10-30 2013-02-13 杭州汽轮机股份有限公司 Device and method for processing U-shaped sealing ring of gas turbine
CN103722081A (en) * 2013-12-14 2014-04-16 苏州博汇精密机械有限公司 Die for U-shaped parts
CN106180297A (en) * 2016-08-29 2016-12-07 广东利迅达机器人系统股份有限公司 A kind of fan-shaped sheet metal component flattens bending docking facilities
CN106734782A (en) * 2016-12-31 2017-05-31 陈科 A kind of preparation method of the metal connecting piece of clothes hanger
CN111660109A (en) * 2020-06-23 2020-09-15 泰州鸿材科技有限公司 Panel drilling is from polishing integrative device
CN111940563A (en) * 2020-07-27 2020-11-17 河南鼎力杆塔股份有限公司 Q460C extra-high voltage steel tube tower steel member machining device and method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102922288A (en) * 2012-10-30 2013-02-13 杭州汽轮机股份有限公司 Device and method for processing U-shaped sealing ring of gas turbine
CN102922288B (en) * 2012-10-30 2015-11-04 杭州汽轮机股份有限公司 The processing unit (plant) of the U-shaped sealing ring of gas turbine and processing method
CN103722081A (en) * 2013-12-14 2014-04-16 苏州博汇精密机械有限公司 Die for U-shaped parts
CN106180297A (en) * 2016-08-29 2016-12-07 广东利迅达机器人系统股份有限公司 A kind of fan-shaped sheet metal component flattens bending docking facilities
CN106734782A (en) * 2016-12-31 2017-05-31 陈科 A kind of preparation method of the metal connecting piece of clothes hanger
CN106734782B (en) * 2016-12-31 2018-06-22 陈科 A kind of production method of the metal connecting piece of clothes hanger
CN111660109A (en) * 2020-06-23 2020-09-15 泰州鸿材科技有限公司 Panel drilling is from polishing integrative device
CN111660109B (en) * 2020-06-23 2021-10-01 泰州鸿材科技有限公司 Panel drilling is from polishing integrative device
CN111940563A (en) * 2020-07-27 2020-11-17 河南鼎力杆塔股份有限公司 Q460C extra-high voltage steel tube tower steel member machining device and method

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Application publication date: 20121003