CN217913866U - Vertical graphite electrode pre-connection equipment - Google Patents

Abstract

The utility model relates to a vertical graphite electrode pre-joint equipment, including pre-joint a portion mechanism, docking mechanism, pre-joint b portion fixed establishment, wherein pre-joint a portion mechanism and docking mechanism are for installing at the overground part, pre-joint b portion fixed establishment is for installing at the pit part, pre-joint a portion mechanism includes double-column hoist mechanism, a portion upset fixing base and a portion clamping mechanism, pre-joint b portion mechanism includes the bottom lift, b portion fixing base and b portion clamping mechanism, docking mechanism is including screwing up mechanism and pre-joint clamping mechanism, it installs on screwing up the supporting seat to screw up the mechanism, it installs on b portion fixing base to screw up the supporting seat, pre-joint clamping mechanism installs on screwing up the mechanism. This novel rotatory upper portion electrode of screwing up mechanism screws up its thread head in the screw hole of lower partial electrode, and the thread head of upper portion electrode can rely on the thread track of the automatic screw hole that matches lower partial electrode of self gravity, solves the difficult technical problem who looks for to neutrality in the electrode butt joint field.

Description

Vertical graphite electrode pre-connection equipment

Technical Field

The utility model relates to an electrode connects technical field in advance, concretely relates to vertical graphite electrode connects equipment in advance.

Background

Before the electrode leaves a factory, a butt joint test is carried out on the connection condition of the electrode, the quantitative test is carried out on the connection condition of the electrode, the tightening torque and the product quality are checked, and the electrode is ensured to be used. The electrode pre-connection is generally that two parts of electrodes are connected through threads, the traditional pre-connection is realized by manually screwing a wrench, the electrodes are pre-connected by gradually adopting mechanical equipment in the industry in recent years, the principle of the mechanical equipment butt connection is that the equipment simulates manual action, and the electrodes are screwed by adopting a screw screwing mode. The existing pre-tightening equipment on the market has two types, one is a transverse butt joint mode, and the other is a longitudinal butt joint mode.

The transverse butt joint mode is that two butt joint parts of electrodes are transversely placed on a butt joint device, wherein one electrode is fixed, the other electrode is aligned and positioned, and the electrodes are rotated and advanced to enable the two electrodes to be in butt joint. The longitudinal butt joint mode is that two pre-jointed electrodes are arranged in a longitudinal concentric mode, the upper electrode is hoisted and fixed, and the lower electrode is jacked and rotated to butt joint the two electrodes. At present, the two butt joint modes can not solve the centering problem of the two parts of electrodes all the time, because the linearity of the graphite electrode product can not ensure the ideal degree, absolute concentricity can not be ensured accurately, that is to say, the concentricity accuracy of the two electrodes can not be ensured, the threaded holes are not completely matched, the two parts of threads are clamped mutually, commonly called as 'mutual stiffness', and the electrodes are screwed up rigidly to cause the deviation of the detection result and even damage the threads of the electrodes.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a vertical graphite electrode connects equipment in advance adopts the vertical overall arrangement butt joint equally, with first electrode thread head alignment latter half part electrode screw hole, relies on the action of gravity to make it automatic to know the knot, solves the difficult problem of centering nature.

In order to realize the purpose, the following technical scheme is adopted: a vertical graphite electrode pre-joint device comprises a pre-joint a part mechanism, a butt joint mechanism and a pre-joint b part fixing mechanism, wherein the pre-joint a part mechanism and the butt joint mechanism are installed on the overground part, the pre-joint b part fixing mechanism is installed on a pit part, the pre-joint a part mechanism comprises a double-column lifting mechanism, an a part overturning fixing seat and an a part clamping mechanism, the double-column lifting mechanism adopts a chain type lifting mode, two ends of the a part overturning fixing seat are respectively installed on the double-column lifting mechanism through a driving overturning mechanism and a driven shaft, and the a part clamping mechanism is installed on an electrode fixing hole of the a part overturning fixing seat;

the pre-connection b part mechanism comprises a bottom elevator, a b part fixing seat and a b part clamping mechanism, wherein the b part fixing seat is arranged on the surface of the opening of the pit, an electrode fixing hole of the b part fixing seat is superposed with the opening of the pit, the bottom elevator is arranged at the bottom of the pit, and the b part clamping mechanism is arranged on the electrode fixing hole of the b part fixing seat;

the butt joint mechanism comprises a tightening mechanism and a pre-joint clamping mechanism, the tightening mechanism is installed on a tightening support seat, the tightening support seat is installed on the b-part fixed seat, and the pre-joint clamping mechanism is installed on the tightening mechanism;

the electrode fixing hole of the screwing support seat is concentric with the electrode through hole of the part a clamping mechanism, the part b clamping mechanism, the pre-joint clamping mechanism and the screwing mechanism.

Furthermore, initiative tilting mechanism includes motor fixed plate, driving shaft and upset motor, a portion upset fixing base pass through the driving shaft and be connected with the motor fixed plate, the motor fixed plate is installed on two stand hoisting mechanism, the upset motor is installed on the motor fixed plate, the upset motor passes through the gear interlock drive with the driving shaft.

Further, tightening mechanism includes hollow rotating shaft, pivot fixing base, toothed disc, drive gear and protection casing, the pivot fixing base install on tightening the supporting seat, hollow rotating shaft installs in the pivot fixing base, hollow rotating shaft is concentric with the electrode fixed orifices of tightening the supporting seat, hollow rotating shaft's periphery installation toothed disc, toothed disc and drive gear interlock, drive gear passes through hydraulic motor drive, hydraulic motor fixes on tightening the supporting seat, pre-joint clamping mechanism install at toothed disc and nested on hollow shaft is rotatory, hollow rotating shaft, pivot fixing base, toothed disc and drive gear all be located the protection casing, the protection casing is fixed on tightening the supporting seat.

Furthermore, the clamping mechanism of the part a, the clamping mechanism of the part b and the pre-connected clamping mechanism have the same structure, the clamping mechanism comprises a clamping mechanism base, a guide turntable, a propulsion oil cylinder and a centering shaft, six centering fixing holes are uniformly formed in the same section of the outer wall of a seat cylinder of the clamping mechanism base, centering shaft sleeves are welded on the centering fixing holes, the centering shaft is installed in the centering shaft sleeves, a centering claw is arranged at the front end of the centering shaft, and a guide roller is installed on a shaft body of the centering shaft; the guide turntable is provided with a guide inclined long-strip hole corresponding to the centering shaft, the guide turntable is nested on the outer wall of the seat barrel of the clamping mechanism base, and the guide roller on the centering shaft is nested in the guide inclined long-strip hole; the tail end of the propulsion oil cylinder is fixed on the clamping mechanism base, and the front end of an oil cylinder lever is connected with the guide turntable.

Further, a portion upset fixing base adopts eccentric counterweight structural mounting on double-column hoist mechanism, eccentric counterweight structure specifically be a portion upset fixing base and include horizontal fixing base and two vertical mounting panels of tip, horizontal fixing base and two vertical mounting panels are "concave" style of calligraphy, two vertical mounting panels are installed on double-column hoist mechanism through initiative tilting mechanism and driven shaft respectively.

Furthermore, the centering surface of the centering claw is in a V shape, and a polyurethane cushion block is embedded in the centering surface.

Further, the V-shaped opening angle of the centering surface is between 140 and 160.

The utility model discloses beneficial effect:

1. adopt two stands to promote tilting mechanism not only to replace traditional hoist and mount fixed mode to can compare hoist and mount mode accuracy nature and hoist and mount efficiency and improve greatly in screwing up the mechanism with upper portion electrode automatic installation, and the security is higher.

2. The screwing mechanism is adopted to rotate the upper partial electrode, the thread head of the upper partial electrode is screwed in the thread hole of the lower partial electrode, the thread head of the upper partial electrode can be automatically matched with the thread channel of the thread hole of the lower partial electrode by means of self gravity, namely, the thread head is commonly called as 'automatic fastening', and the technical problem that the centering property in the electrode butt joint field is difficult to find is solved.

3. Through the cooperation of loosening and clamping of part a clamping mechanism and pre-connection clamping mechanism, the upper part electrode is found accurate screwing positioning action and is rotated and screwed up the action and link up perfectly, and the smoothness degree is high.

4. The a part overturning fixing seat adopts an eccentric counterweight structure, so that the supporting burden of the double upright posts is reduced, and the stability of the equipment is ensured.

5. The whole equipment is reasonable in layout, the logical matching degree of the mechanisms is high, the equipment operation is higher in efficiency compared with the existing butt joint equipment, and the speed of butt joint of the electrodes is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side elevation cut-away view of the present invention;

FIG. 3 is a front view of a connection structure of a double-column lifting mechanism and a part a turning fixing seat;

FIG. 4 is a top view of a connection structure of a double-column lifting mechanism and a part a turning fixing seat;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a front view of the clamp tightening mechanism and a structural relationship to the tightening mechanism base;

FIG. 7 is a top view of the clamp tightening mechanism and a structural relationship to the tightening mechanism base;

FIG. 8 is a schematic view of the pre-clamping mechanism;

fig. 9 isbase:Sub>A schematic view of the planebase:Sub>A-base:Sub>A of fig. 8.

As shown in the figure: 1. a double-column lifting mechanism; 2. a part overturning fixing seat; 3. a part a clamping mechanism; 4. a bottom lift; 5. a part b fixed seat; 6. a b-part clamping mechanism; 7. a tightening mechanism; 8. pre-connecting a clamping mechanism; 9. b, a middle section fixing seat; 10. screwing down the supporting seat; 11. pre-connecting a part b electrode; 12. pre-connecting a part electrode; 71. a hollow rotating shaft; 72. a rotating shaft fixing seat; 73. a gear plate; 74. a drive gear; 75. a protective cover; 76. a hydraulic motor; 100. a clamping mechanism base; 101. a guide turntable; 102. a propulsion cylinder; 103. a centering shaft; 104. a centering fixing hole; 105. a centering shaft sleeve; 106. a centering claw; 107. a guide roller; 108. guiding the oblique long holes; 109. an oil cylinder fixing seat; 200. a transverse fixing seat; 201. a longitudinal mounting plate; 202. a driven shaft; 203. a motor fixing plate; 204. a drive shaft; 205. and (5) overturning the motor.

Detailed Description

Examples

The following further explains, with reference to the accompanying drawings, fig. 1 to 9 are schematic diagrams of this example, and a vertical graphite electrode pre-joint apparatus as shown in the drawings comprises a pre-joint a part mechanism, a butt joint mechanism, and a pre-joint b part fixing mechanism, wherein the pre-joint a part mechanism and the butt joint mechanism are installed on the ground, and the pre-joint b part fixing mechanism is installed on the pit and adopts a longitudinal structural layout. The pre-joint part a mechanism comprises a double-upright-column lifting mechanism 1, a part a overturning fixed seat 2 and a part a clamping mechanism 3, the pre-joint part b mechanism comprises a bottom lifter 4, a part b fixed seat 5 and a part b clamping mechanism 6, and the butt joint mechanism comprises a screwing mechanism 7 and a pre-joint clamping mechanism 8. The part a clamping mechanism 3, the part b clamping mechanism 6, the pre-joint clamping mechanism 8 and the tightening mechanism 7 are concentric in electrode through hole. The a-part clamping mechanism 3, the b-part clamping mechanism 6 and the pre-joint clamping mechanism 8 have the same structure.

Designing and assembling a clamping mechanism: the clamping mechanism is designed into a six-claw clamping centering mechanism and comprises a clamping mechanism base 100, a guide turntable 101, a propulsion oil cylinder 102 and a centering shaft 103, six centering fixing holes 104 are uniformly formed in the same cross section of the outer wall of a base cylinder of the clamping mechanism base 100, centering shaft sleeves 105 are welded on the centering fixing holes 104, the centering shaft 103 is installed in the centering shaft sleeves 105, a centering claw 106 is arranged at the front end of the centering shaft 103, and a guide roller 107 is installed on a shaft body of the centering shaft 103. The guide turntable 101 is provided with a guide inclined elongated hole 108 corresponding to the centering shaft 103, the guide turntable 101 is nested on the outer wall of the seat barrel of the clamping mechanism base 100, and the guide roller 107 on the centering shaft 103 is embedded in the guide inclined elongated hole 108. An oil cylinder fixing seat 109 is welded on the outer wall of a seat cylinder of the tightening mechanism base 100, a rotary disc bulge is designed on the guide rotary disc 101, the tail end of the propulsion oil cylinder 102 is fixed on the oil cylinder fixing seat 109, and the front end of an oil cylinder lever is connected to the rotary disc bulge of the guide rotary disc 101, so that the propulsion oil cylinder 102 is ensured to be in a horizontal state. When the pushing oil cylinder 102 acts, the guiding rotary disc 101 is pushed to rotate, meanwhile, the guiding roller 107 is forced to displace in the guiding inclined long hole 108, the guiding roller 107 drives the centering shaft 103 to move towards the center of the guiding rotary disc 101, the centering claw 106 at the front end of the centering shaft 103 fixes the electrode, and therefore the clamping function is achieved, in order to enable the centering claw 106 to have a larger contact surface with the electrode and avoid scratching the surface of the electrode, the centering surface of the centering claw 106 is in a V shape, the opening angle of the V shape is 140-160 degrees, and a polyurethane material cushion block is embedded in the centering surface.

Pre-connecting a part mechanism design and assembly: the double-column lifting mechanism 1 adopts a synchronous chain type lifting mode. In order to reduce the burden of supporting the upright columns, the a-part overturning fixing seat 2 is designed to be an eccentric counterweight structure, the two ends of the transverse fixing seat 200 of the a-part overturning fixing seat 2 are respectively welded with the longitudinal mounting plates 201, the transverse fixing seat 200 and the two longitudinal mounting plates 201 are in a concave shape, the longitudinal mounting plates 201 at the two ends are used as connection points with the double-upright-column lifting mechanism 1, one connection point is a driving overturning connection point, and the other connection point is a driven overturning connection point. The active turnover connection points are connected through an active turnover mechanism, and the driven turnover connection points are directly connected through a driven shaft 202. The driving overturning mechanism comprises a motor fixing plate 203, a driving shaft 204 and an overturning motor 205, wherein a longitudinal mounting plate 201 is connected with the motor fixing plate 203 through the driving shaft 204, the motor fixing plate 203 is mounted on the double-column lifting mechanism 1 through a connecting piece, the overturning motor 205 is mounted on the motor fixing plate 203, and the overturning motor 205 and the driving shaft 204 are driven through meshing of gears. The clamping mechanism base of the part a clamping mechanism 3 is arranged on the electrode fixing hole of the part a overturning fixing seat 2.

B, designing and assembling a pre-joint b part mechanism: and (4) carrying out civil engineering foundation engineering to build a pit, wherein the pit is concentric with the electrode fixing hole of the part a overturning fixing seat 2. b portion fixing base 5 is installed on pit opening surface, and the electrode fixed orifices of b portion fixing base 5 and pit opening coincidence, and bottom lift 4 is installed in the pit bottom, and the clamping mechanism pedestal mounting of b portion clamping mechanism 6 is on the electrode fixed orifices of b portion fixing base 5, for the stability of assurance electrode, still is equipped with b middle section fixing base 9 at the pit terminal. The pre-joint b part electrode 11 is arranged in the pre-joint b part mechanism in advance, the front section of the pre-joint b part electrode is fixed in a b part fixing seat 5, the tail end of the pre-joint b part electrode is arranged on the bottom lifter 4, the middle section of the pre-joint b part electrode is fixed in a b part middle section fixing seat 9, and when the pre-joint action is carried out, the pre-joint b part electrode 11 is jacked to a pre-joint position by the bottom lifter 4 and is clamped by a b part clamping mechanism 6. And a tightening support seat 10 for mounting the tightening mechanism 7 is arranged on the b-part fixing seat 5.

Design and assembly of docking mechanism and tightening mechanism 7: the tightening mechanism 7 comprises a hollow rotating shaft 71, a rotating shaft fixing seat 72, a gear disc 73, a driving gear 74 and a protective cover 75. The rotating shaft fixing seat 72 is installed on the tightening support seat 10, the hollow rotating shaft 71 is installed in the rotating shaft fixing seat 72, the hollow rotating shaft 71 is concentric with an electrode fixing hole of the tightening support seat 10, a gear disc 73 is installed on the periphery of the hollow rotating shaft 71, the gear disc 73 is meshed with a driving gear 74, the driving gear 74 is driven by a hydraulic motor 76, the hydraulic motor 76 is fixed on the tightening support seat 10, the hollow rotating shaft 71, the rotating shaft fixing seat 72, the gear disc 73 and the driving gear 74 are all located in a protective cover 75, and the protective cover 75 is fixed on the tightening support seat 10. The clamping mechanism base of the pre-clamping mechanism 8 is mounted on the gear plate 73 and is nested on the hollow rotating shaft 71. When the tightening action is performed, the electrode is clamped by the action of the pre-clamping mechanism 8, the driving motor 76 works, and the driving gear 74 drives the gear disc 73 and the pre-clamping mechanism 8 to rotate around the hollow rotating shaft 71 under the driving of the driving motor 76, so that the tightening process is realized.

The working process is as follows: feeding, butting, screwing, loosening and discharging.

The feeding process comprises the following steps: firstly, pre-mounting a pre-joint b part electrode 11 in a pre-joint b part mechanism, adjusting the pre-joint position of the pre-joint b part electrode 11 through a bottom lifter 4, and clamping the pre-joint b part electrode 11 by the action of a b part clamping mechanism 6; the pre-connection a part electrode 12 is transversely fixed on a roller conveyor, and then the pre-connection a part electrode 12 is adjusted to be concentric when the electrode of the a part overturning fixing seat 2 is fixed Kong Yuci through the matching adjustment of the double-upright-column lifting mechanism 1 and the active overturning mechanism, so that the roller conveyor can be ensured to transport the pre-connection a part electrode 12 into the electrode fixing hole of the a part overturning fixing seat 2, and when the pre-connection a part electrode 12 is transported in place, the a part clamping mechanism 3 acts to clamp the pre-connection a part electrode 12, and the feeding action is completed.

The butt joint process: after the feeding action is completed, the pre-joint a part electrode 12 is erected through the matching adjustment of the double-column lifting mechanism 1 and the active turnover mechanism of the pre-joint a part mechanism, the double-column lifting mechanism 1 drives the a part turnover fixing seat 2 to descend, the pre-joint a part electrode 12 is sequentially placed to the pre-joint position through the tightening mechanism 7 and the pre-joint clamping mechanism 8, and the pre-joint a part electrode 12 is in butt joint with the pre-joint b part electrode 11.

And (3) screwing process: the a part clamping mechanism 3 acts to loosen the pre-connected a part electrode 12, at the moment, the pre-connected a part electrode 12 automatically matches a thread channel of a threaded hole of the pre-connected b part electrode 11 under the action of the self gravity of the pre-connected a part electrode 12, the pre-connected a part electrode 12 is clamped by the action of the pre-connected clamping mechanism 8, the tightening mechanism 7 starts to act to drive the pre-connected clamping mechanism 8 to rotate, and then the pre-connected a part electrode 12 is driven to rotate, so that the tightening function is realized. After the butt joint and the screwing, the connection condition of the electrodes is checked, and relevant data are reflected through an external test system.

Loosening process: the tightening mechanism 7 is reversed to screw out the pre-contact a-portion electrode 12.

The unloading process comprises the following steps: the pre-joint clamping mechanism 8 acts to loosen the pre-joint a-part electrode 12, the a-part clamping mechanism 3 acts to clamp the pre-joint a-part electrode 12, the double-upright-column lifting mechanism 1 drives the a-part overturning fixing seat 2 to ascend, the pre-joint a-part electrode 12 is sequentially separated from the screwing mechanism 7 and the pre-joint clamping mechanism 8, the pre-joint a-part electrode 12 is overturned to be in a horizontal state through the matching adjustment of the double-upright-column lifting mechanism 1 and the active overturning mechanism, and the a-part clamping mechanism 3 is loosened after the position is adjusted to discharge.

The present invention is not limited to the embodiment, and any equivalent concept or change within the technical scope of the present invention is all listed as the protection scope of the present invention.

Claims (7)

1. A vertical graphite electrode pre-joint device comprises a pre-joint a part mechanism, a butt joint mechanism and a pre-joint b part fixing mechanism, wherein the pre-joint a part mechanism and the butt joint mechanism are installed on the ground, and the pre-joint b part fixing mechanism is installed on a pit part;

the pre-connection b part mechanism comprises a bottom elevator, a b part fixing seat and a b part clamping mechanism, wherein the b part fixing seat is arranged on the surface of the opening of the pit, an electrode fixing hole of the b part fixing seat is superposed with the opening of the pit, the bottom elevator is arranged at the bottom of the pit, and the b part clamping mechanism is arranged on the electrode fixing hole of the b part fixing seat;

the butt joint mechanism comprises a tightening mechanism and a pre-joint clamping mechanism, the tightening mechanism is installed on a tightening support seat, the tightening support seat is installed on the b-part fixed seat, and the pre-joint clamping mechanism is installed on the tightening mechanism;

the electrode fixing hole of the tightening support seat is concentric with the electrode through holes of the part a clamping mechanism, the part b clamping mechanism, the pre-joint clamping mechanism and the tightening mechanism.

2. The vertical graphite electrode pre-jointing device according to claim 1, wherein the active overturning mechanism comprises a motor fixing plate, a driving shaft and an overturning motor, the part a overturning fixing seat is connected with the motor fixing plate through the driving shaft, the motor fixing plate is installed on the double-column lifting mechanism through a connecting piece, the overturning motor is installed on the motor fixing plate, and the overturning motor and the driving shaft are driven through meshing of gears.

3. The vertical graphite electrode pre-connection device as claimed in claim 1, wherein the tightening mechanism comprises a hollow rotating shaft, a rotating shaft fixing seat, a gear disc, a driving gear and a protective cover, the rotating shaft fixing seat is mounted on the tightening supporting seat, the hollow rotating shaft is mounted in the rotating shaft fixing seat, the hollow rotating shaft is concentric with the electrode fixing hole of the tightening supporting seat, the gear disc is mounted on the periphery of the hollow rotating shaft and is meshed with the driving gear, the driving gear is driven by a hydraulic motor, the hydraulic motor is fixed on the tightening supporting seat, the pre-connection clamping mechanism is mounted on the gear disc and is embedded on the hollow shaft, the hollow rotating shaft, the rotating shaft fixing seat, the gear disc and the driving gear are all located in the protective cover, and the protective cover is fixed on the tightening supporting seat.

4. The vertical graphite electrode pre-joint device according to claim 1, wherein the a-part clamping mechanism, the b-part clamping mechanism and the pre-joint clamping mechanism have the same structure, the clamping mechanism comprises a clamping mechanism base, a guide turntable, a thrust cylinder and a centering shaft, six centering fixing holes are uniformly formed in the outer wall of a seat cylinder of the clamping mechanism base on the same cross section, centering shaft sleeves are welded on the centering fixing holes, the centering shaft is installed in the centering shaft sleeves, a centering claw is arranged at the front end of the centering shaft, and a guide roller is installed on a shaft body of the centering shaft; the guide turntable is provided with a guide inclined long-strip hole corresponding to the centering shaft, the guide turntable is nested on the outer wall of the seat barrel of the clamping mechanism base, and the guide roller on the centering shaft is nested in the guide inclined long-strip hole; the tail end of the propulsion oil cylinder is fixed on the clamping mechanism base, and the front end of an oil cylinder lever is connected with the guide turntable.

5. The vertical graphite electrode pre-jointing apparatus according to claim 1, wherein the a-part turnover fixing seat is mounted on the double-column lifting mechanism by using an eccentric counterweight structure, the eccentric counterweight structure is specifically that the a-part turnover fixing seat comprises a transverse fixing seat and two end longitudinal mounting plates, the transverse fixing seat and the two longitudinal mounting plates are in a concave shape, and the two longitudinal mounting plates are mounted on the double-column lifting mechanism through the active turnover mechanism and the driven shaft respectively.

6. The vertical graphite electrode pre-jointing device according to claim 4, wherein the centering surface of the centering claw is V-shaped, and a polyurethane material cushion block is embedded in the centering surface.

7. The apparatus of claim 6, wherein the centering surface has a V-shaped opening angle of between about 140 ° and about 160 °.

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