CN110238579B - Automatic feeding mechanism for T-shaped welding nails with porcelain rings - Google Patents
Automatic feeding mechanism for T-shaped welding nails with porcelain rings Download PDFInfo
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- CN110238579B CN110238579B CN201910555939.7A CN201910555939A CN110238579B CN 110238579 B CN110238579 B CN 110238579B CN 201910555939 A CN201910555939 A CN 201910555939A CN 110238579 B CN110238579 B CN 110238579B
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- automatic feeding
- feeding mechanism
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- 238000003466 welding Methods 0.000 title claims abstract description 102
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 125
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 206010005963 Bone formation increased Diseases 0.000 description 1
- 206010050031 Muscle strain Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
Abstract
The invention discloses an automatic feeding mechanism for T-shaped welding nails with porcelain rings, which comprises a transverse bracket, a longitudinal bracket, a material clamp, a discharging assembly and a material receiving and feeding assembly, wherein one end of the transverse bracket is vertically fixed on the rear side surface of the longitudinal bracket, the upper part of the material clamp is connected with the transverse bracket, and the lower part of the material clamp is connected with the longitudinal bracket; the discharging assembly comprises a material blocking rod which is arranged at the discharging end of the material clamp in a penetrating manner and can realize telescopic movement; the material receiving and feeding assembly comprises a receiving and feeding clamp and a receiving and feeding motor, wherein one end of the receiving and feeding clamp is provided with a U-shaped receiving groove with an opening facing the material clamp, the other end of the receiving and feeding clamp is sleeved on an output shaft of the receiving and feeding motor, and the receiving and feeding motor is fixed at the bottom of the longitudinal support. The automatic feeding mechanism can automatically and accurately feed the T-shaped welding nails with the porcelain rings to the welding gun, does not influence the welding operation of the welding gun, can realize the free adjustment of the operation height and the angle, and has strong universality.
Description
Technical Field
The invention relates to an automatic feeding mechanism for a T-shaped welding nail with a porcelain ring, and belongs to the technical field of automatic welding.
Background
T-shaped welding nails, also called cylindrical head welding nails, are widely adopted as shear connectors (also called shear keys) in steel structures, steel-concrete structures in building and bridge construction, and are generally welded on steel beams, steel columns and other structures by an arc stud welding method. In addition, in the arc stud welding process, in order to protect the molten metal after the welding nails and the base metal are discharged and melted from leaking, a porcelain ring needs to be sleeved on each welding nail, and the high-temperature resistant characteristic of the porcelain is utilized to protect the molten metal from leaking, so that the welding quality is improved, and the gun head damage caused by the ignition of the welding gun and the base metal is prevented.
At present, the T-shaped welding nails with porcelain rings are mainly welded manually, and a project (a high-rise building or a bridge) needs to be planted and welded with tens of thousands or even hundreds of thousands of T-shaped welding nails, according to incomplete statistics, the annual welding quantity of the T-shaped welding nails in Japan is 6000 tens of thousands, and the annual requirement of the T-shaped welding nails in steel structure buildings in China is tens of millions; in particular, with the rapid development of industries such as construction, bridge, shipbuilding, automobile manufacturing, rail transportation and the like, the welding quantity of T-shaped welding nails is rapidly increased. The adoption of the manual welding mode has the defects of low welding efficiency and incapability of ensuring welding quality, and the manual long-term bending operation can seriously influence the physical health of a welder, so that the welder can easily generate occupational defects such as lumbar muscle strain, hyperosteogeny and the like. Therefore, the technology of automatically welding the T-shaped welding nail with the porcelain ring needs to be developed in the field, and the core is to solve the problem of how to automatically and accurately feed the welding gun and not to interfere with the automatic feeding mechanism of the welding operation of the welding gun.
Disclosure of Invention
Aiming at the problems and the demands of the prior art, the invention aims to provide the automatic feeding mechanism for the T-shaped welding nails with the porcelain rings, which can accurately feed the welding gun, does not interfere with the welding operation of the welding gun and can synchronously move with the welding gun, so as to meet the requirements of high precision and high efficiency of automatic feeding of the welding gun.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the automatic feeding mechanism for the T-shaped welding nails with the porcelain rings comprises a transverse bracket, a longitudinal bracket, a material clamp, a material discharging assembly and a material receiving and feeding assembly, wherein one end of the transverse bracket is vertically fixed on the rear side surface of the longitudinal bracket, the upper part of the material clamp is connected with the transverse bracket, and the lower part of the material clamp is connected with the longitudinal bracket; the discharging assembly comprises a material blocking rod which is arranged at the discharging end of the material clamp in a penetrating manner and can realize telescopic movement; the material receiving and feeding assembly comprises a receiving and feeding clamp and a receiving and feeding motor, wherein one end of the receiving and feeding clamp is provided with a U-shaped receiving groove with an opening facing the material clamp, the other end of the receiving and feeding clamp is sleeved on an output shaft of the receiving and feeding motor, and the receiving and feeding motor is fixed at the bottom of the longitudinal support.
In one embodiment, the discharging assembly further comprises a rectangular fixed plate, a rectangular movable plate, a right-angled triangle push plate and a roller, wherein the rectangular fixed plate is fixed below the rear side of the longitudinal bracket and is close to the charging clamp, and the rectangular movable plate is connected to the inner side surface of the rectangular fixed plate in a sliding manner; a through hole is transversely formed in the middle of the rectangular movable plate, the material blocking rod is fixedly arranged at the head of the through hole, a groove for the material blocking rod to penetrate out is formed in the discharge end of the material clamp, a spring is penetrated through the tail of the through hole, the front end of the spring is freely positioned in the through hole, and the tail end of the spring is fixedly connected with the inner side surface of the rectangular fixed plate through a spring fixing plate; a right-angle side of the right-angle triangle push plate is fixedly connected with the bottom of the rectangular movable plate, and the inclined surface of the right-angle triangle push plate faces to the material clamp; the roller is fixed at the lower part of the pick-up clamp.
In one embodiment, the rectangular movable plate is fixedly connected with a sliding block, a sliding rail is arranged on the inner side surface of the rectangular fixed plate, and a sliding groove matched with the sliding rail is arranged on the sliding block.
In a further embodiment, an L-shaped limit baffle is arranged at the tops of the rectangular movable plate and the sliding block, and a limit column matched with the L-shaped limit baffle is arranged on the inner side surface of the rectangular fixed plate.
In a further embodiment, a guide post is fixedly arranged on the spring fixing plate, and the tail end of the spring is sleeved on the guide post.
A stop block is fixedly arranged at two ends of an opening of a U-shaped receiving groove of the receiving clamp, and the stop block protrudes out of the top surface of the U-shaped receiving groove.
Further preferably, an inclined plane A is arranged on the upper end face of the stop block, and an inclined plane B matched with the inclined plane A is arranged on the bottom face of the discharge end of the material clamp.
In one preferred scheme, a receiving position sensor, a welding gun material taking position sensor and a returning position sensor are respectively arranged on the periphery of the receiving and sending motor.
In one embodiment, the material clamp is formed by connecting two sliding rails through at least 2U-shaped connecting pieces, one U-shaped connecting piece positioned at the upper part of the material clamp is fixedly connected with the transverse bracket, the U-shaped connecting piece positioned near the discharge hole of the material clamp is connected with the output end of the vibrating motor, and the vibrating motor is fixed at the rear side part of the longitudinal bracket.
Preferably, an installation inclination angle of 5-60 degrees is formed between the material clamp and the horizontal plane.
Further preferably, an installation inclination angle of 5-30 degrees is formed between the material clamp and the horizontal plane.
In one preferred embodiment, the vibration motor is an eccentric vibration motor.
In one embodiment, the automatic feeding mechanism further comprises a stand column, and the transverse support is sleeved on the stand column and can do lifting motion on the stand column and rotate 360 degrees around the stand column.
In one embodiment, a linear rack is longitudinally arranged on the upright, a sliding sleeve capable of sliding up and down but not rotating around the upright is sleeved on the upright, the transverse support is rotatably sleeved on the sliding sleeve, an opening for meshing connection of a lifting gear and the linear rack is formed in the lower portion of the sliding sleeve, the lifting gear is fixed on an output shaft of a lifting motor, and the lifting motor is fixedly connected to the side portion of the sliding sleeve; and a driven gear is sleeved outside the sliding sleeve, a driving gear meshed with the driven gear is fixedly arranged on an output shaft of the rotating motor, and the rotating motor is fixedly arranged on the transverse bracket.
In one embodiment, the welding gun is fixed on the front side of the longitudinal support, and the material clamp is arranged on the left side or the right side of the longitudinal support.
Compared with the prior art, the invention has the following beneficial technical effects:
by the automatic feeding mechanism, the T-shaped welding nails with the porcelain rings can be automatically and accurately fed to the welding gun, welding operation of the welding gun is not affected, and the welding gun can synchronously move; particularly, when the automatic feeding mechanism comprises the upright post, the transverse bracket can do lifting motion on the upright post and rotate 360 degrees around the upright post, so that the automatic feeding mechanism can realize free adjustment of operation height and angle, the feeding precision of the welding gun is further ensured, the requirements of various operation ranges of the welding gun are met, and the use convenience and the universality are stronger; therefore, compared with the prior art, the invention has remarkable progress and has important value for realizing the automatic welding of the T-shaped welding nails with the porcelain rings.
Drawings
FIG. 1 is a schematic view showing a three-dimensional structure of an automatic feeding mechanism for T-shaped welding nails with porcelain rings according to an embodiment of the present invention;
FIG. 2 is a schematic left-hand view of the automatic feeding mechanism shown in FIG. 1;
FIGS. 3 and 4 are schematic structural views showing the construction of the discharge assembly and its assembly relationship with the clamp and the pick-up clamp according to the embodiments;
FIG. 5 is a schematic view showing the structure of the automatic feeding mechanism in the initial state according to the embodiment;
FIG. 6 is a schematic view showing the structure of the automatic feeding mechanism in the receiving state according to the embodiment;
FIG. 7 is a schematic view showing the structure of the automatic feeding mechanism in the feeding state according to the embodiment;
fig. 8 is a schematic view showing the structure of the automatic feeding mechanism in the embodiment in the descending state after the welding gun takes the material.
The reference numerals in the figures are shown below: 1. a transverse bracket; 2. a longitudinal support; 3. a material clamp; 31. a slide rail; 311. an inclined plane B; 32. A U-shaped connecting piece; 321. the U-shaped connecting piece is positioned at the upper part of the material clamp; 322. a U-shaped connecting piece positioned near the discharge hole of the material clamp; 33. a fixed block; 34. a vibration motor; 35. a groove; 4. a discharging assembly; 40. a material blocking rod; 41. a rectangular fixing plate; 411. a slide rail; 42. a rectangular movable plate; 421. a through hole; 43. a right triangle push plate; 431. right-angle sides; 432. an inclined plane; 44. a roller; 45. a slide block; 451. a chute; 46. a spring; 47. a spring fixing plate; 471. a guide post; 48. an L-shaped limit baffle; 49. a limit column; 5. a receiving and feeding component; 51. a pick-up clamp; 511. u-shaped material receiving groove; 512. a stop block; 5121. An inclined plane A; 52. the motor is connected and sent; 53. receiving a material level sensor; 54. a welding gun material taking level sensor; 55. a backset sensor; 6. a column; 61. a linear rack; 62. a sliding sleeve; 621. an opening; 622. the side part of the sliding sleeve; 63. a lifting gear; 64. A lifting motor; 65. a driven gear; 66. a drive gear; 67. a rotating electric machine; 7. a welding gun; 8. a porcelain ring; 9. t-shaped welding nails.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and the examples.
Examples
Please refer to fig. 1 to 4: the embodiment provides an automatic feeding mechanism for T-shaped welding nails with porcelain rings, which comprises a transverse bracket 1, a longitudinal bracket 2, a material clamp 3, a material discharging assembly 4 and a material receiving and feeding assembly 5, wherein the material discharging assembly 4 comprises a material blocking rod 40, a rectangular fixing plate 41, a rectangular movable plate 42, a right-angle triangular push plate 43 and a roller 44, and the material receiving and feeding assembly 5 comprises a material receiving and feeding clamp 51 and a material receiving and feeding motor 52; one end of the transverse bracket 1 is vertically fixed on the rear side surface of the longitudinal bracket 2, the upper part of the material clamp 3 is connected with the transverse bracket 1, and the lower part of the material clamp 3 is connected with the longitudinal bracket 2; the rectangular fixed plate 41 is fixed below the rear side of the longitudinal bracket 2 and is close to the material clamp 3, the rectangular movable plate 42 is slidably connected to the inner side surface of the rectangular fixed plate 41 (in this embodiment, the rectangular movable plate 42 is fixedly connected with a sliding block 45, a sliding rail 411 is arranged on the inner side surface of the rectangular fixed plate 41, a sliding groove 451 adapted to the sliding rail 411 is arranged on the sliding block 45, and sliding of the rectangular movable plate 42 is realized by sliding of the sliding block 45 on the sliding rail 411); a through hole 421 is transversely formed in the middle of the rectangular movable plate 42, the material blocking rod 40 is fixedly arranged at the head of the through hole 421, a groove 35 used for allowing the material blocking rod 40 to penetrate out is formed in the discharging end of the material clamp, a spring 46 is penetrated in the tail of the through hole 421, the front end of the spring 46 is freely positioned in the through hole 421, and the tail end of the spring 46 is fixedly connected with the inner side surface of the rectangular fixed plate 41 through a spring fixing plate 47; a right-angle side 431 of the right-angle triangle push plate is fixedly connected with the bottom of the rectangular movable plate 42, and an inclined plane 432 of the right-angle triangle push plate faces the material clamp 3; the roller 44 is fixed at the lower part of the pick-up and delivery clamp 51, one end of the pick-up and delivery clamp 51 is provided with a U-shaped receiving groove 511 with an opening facing the material clamp, the other end of the pick-up and delivery clamp 51 is sleeved on an output shaft of the pick-up and delivery motor 52, and the pick-up and delivery motor 52 is fixed at the bottom of the longitudinal bracket 2. A stop block 512 is fixedly arranged at both ends of the opening of the U-shaped receiving groove 511 of the receiving clamp 51, and the stop block 512 protrudes out of the top surface of the U-shaped receiving groove 511 to form a blocking effect of the porcelain ring positioned on the top surface of the U-shaped receiving groove 511, so that the T-shaped welding nails with the porcelain ring positioned in the U-shaped receiving groove 511 are prevented from falling off (see fig. 6 and 7).
In this embodiment, the material holder 3 is formed by connecting two sliding rails 31 through at least 2U-shaped connectors 32, one U-shaped connector 321 located at the upper portion of the material holder is fixedly connected with the transverse bracket 1 through a fixing block 33, the U-shaped connector 322 located near the discharge port of the material holder is connected with the output end of the vibration motor 34, and the vibration motor 34 is fixed at the rear side portion of the longitudinal bracket 2. The mounting inclination angle (preferably 5-30 degrees) is formed between the material clamp 3 and the horizontal plane, so that the T-shaped welding nail with the porcelain ring on the material clamp 3 can have the downward sliding power on one hand, and the mutual impact damage between the porcelain rings can be avoided on the other hand. The vibration motor 34 is an eccentric vibration motor, and smooth discharging of the material clamp 3 can be ensured under a smaller installation inclination angle by utilizing the eccentric vibration effect.
In addition, in this embodiment, the automatic feeding mechanism further includes a stand column 6, the transverse bracket 1 is sleeved on the stand column 6, and can perform lifting motion on the stand column 6 and rotate 360 degrees around the stand column 6 (in a specific embodiment of this embodiment, a linear rack 61 is longitudinally arranged on the stand column 6, a sliding sleeve 62 capable of sliding up and down on the stand column 6 but not rotating around the linear rack 61 is sleeved on the stand column 6, the transverse bracket 1 is rotatably sleeved on the sliding sleeve 62, an opening 621 for meshing connection of a lifting gear 63 and the linear rack 61 is formed in the lower portion of the sliding sleeve 62, the lifting gear 63 is fixed on an output shaft of a lifting motor 64, the lifting motor 64 is fixedly connected to a side 622 of the sliding sleeve, a driven gear 65 is sleeved on the outer portion of the sliding sleeve 62, a driving gear 66 in meshed connection with the driven gear 65 is fixedly arranged on an output shaft of a rotating motor 67, and the rotating motor 67 is fixedly arranged on the transverse bracket 1.
The lifting motor 64 is fixedly connected with the sliding sleeve 62, so that the lifting gear 63 can be driven to ascend or descend on the linear rack 61 through the forward rotation or the reverse rotation of the lifting motor 64, so that the sliding sleeve 62 is driven to ascend or descend on the upright post 6, and the driven gear 65 sleeved on the sliding sleeve 62 is meshed with the driving gear 66, the driving gear 66 is fixed on an output shaft of the rotating motor 67, and the rotating motor 67 is fixedly arranged on the transverse bracket 1, so that the transverse bracket 1 can ascend or descend on the upright post 6 through the lifting of the sliding sleeve 62; in addition, when the rotating motor 67 drives the driving gear 66 to rotate, the transverse bracket 1 and the sliding sleeve 62 are rotatably connected, and the sliding sleeve 62 cannot rotate around the upright post 6, so that the driven gear 65 and the sliding sleeve 62 cannot rotate, and the transverse bracket 1 rotates 360 degrees around the sliding sleeve 62 under the rotation action of the driving gear 66, and the sliding sleeve 62 is sleeved on the upright post 6, so that the transverse bracket 1 can rotate 360 degrees around the upright post 6; and because the transverse bracket 1 is fixedly connected with the longitudinal bracket 2, the material clamp 3 is respectively connected with the transverse bracket 1 and the longitudinal bracket 2, and the discharging component 4 and the receiving and feeding component 5 are both fixed on the longitudinal bracket 2, the integral lifting and rotation of the longitudinal bracket 2, the material clamp 3, the discharging component 4 and the receiving and feeding component 5 can be realized through realizing the lifting movement and 360-degree rotation of the transverse bracket 1, thereby being beneficial to the automatic feeding mechanism to realize the free adjustment of the operation height and the angle according to the requirement of the welding position, and ensuring the accurate feeding of the welding gun and meeting the requirement of various operation ranges of the welding gun.
As a preferable scheme:
an L-shaped limit baffle 48 is arranged at the tops of the rectangular movable plate 42 and the sliding block 45, a limit post 49 matched with the L-shaped limit baffle 48 is arranged on the inner side surface of the rectangular fixed plate 41, and accurate resetting of the rectangular movable plate 42 can be ensured through the matching blocking effect of the L-shaped limit baffle 48 and the limit post 49. In addition, a guide post 471 is fixed on the spring fixing plate 47, and the tail end of the spring 46 is sleeved on the guide post 471 to avoid that the spring 46 cannot return linearly after being compressed and deformed.
The upper end face of the stop block 512 is provided with an inclined plane A5121, the bottom surface of the discharge end of the material clamp is provided with an inclined plane B311 matched with the inclined plane A5121, and the T-shaped welding nail with the porcelain ring positioned at the discharge hole of the material clamp can be ensured to accurately fall into the U-shaped receiving groove 511 of the receiving clamp 51 through the joint between the inclined plane A5121 and the inclined plane B311.
A receiving position sensor 53, a welding gun receiving position sensor 54 and a returning position sensor 55 are respectively provided on the circumferential side of the receiving and sending motor 52 to limit and monitor the rotational position of the receiving and sending clamp 51.
The welding gun 7 is fixed on the front side surface of the longitudinal support 2, and the material clamp 3 is arranged on the left side or the right side of the longitudinal support 2 (in this embodiment, the material clamp 3 is arranged on the left side of the longitudinal support 2 as an example), so that the material taking operation of the welding gun 7 can be facilitated, the space can be saved, and the synchronous movement of the material clamp 3 and the welding gun 7 can be realized. Of course, the mounting direction of the pick-up clamp 51 is adapted to the mounting direction of the magazine 3, for example: if the material clamp 3 is disposed on the left side of the longitudinal frame 2, the receiving clamp 51 is installed in such a direction that the opening of the U-shaped receiving groove 511 is directed to the left. The welding gun 7 can adopt an automatic welding gun for realizing arc stud welding of T-shaped welding nails disclosed in Chinese patent application ZL 201610195248.7, and is not particularly limited herein.
By adopting the automatic feeding mechanism, the automatic feeding process for feeding the T-shaped welding nails with the porcelain rings to the welding gun is realized as follows:
1) Referring to fig. 5, in the initial state of the automatic feeding mechanism of the present invention, the pick-up clip 51 is located under the welding gun 7, the spring 46 is in an initial state of extension, the rectangular movable plate 42 is pushed by the spring 46 to the side of the material clip 3 and is limited by the cooperation of the L-shaped limiting baffle 48 and the limiting post 49, so that the material blocking rod 40 at this time passes through the groove 35 to block in the discharge hole of the material clip 3, and the material clip 3 is in a state to be discharged;
2) When the pickup motor 52 drives the pickup clamp 51 to rotate towards the direction of the material clamp 3, as the pickup clamp 51 approaches to the discharge end of the material clamp, the roller 44 positioned at the lower part of the pickup clamp 51 is in rolling contact with the inclined surface 432 of the right triangle push plate, because the roller 44 rolls from low to high direction on the inclined surface 432, as the roller 44 rolls towards the high end of the inclined surface 432, the roller 44 can generate an outward thrust action on the inclined surface 432, because the right triangle push plate 43 is fixedly connected with the rectangular movable plate 42, the inclined surface 432 can drive the rectangular movable plate 42 to move outwards after receiving the outward thrust of the roller 44, and as the material blocking rod 40 is fixedly arranged on the rectangular movable plate 42, the material blocking rod 40 also moves outwards along with the outward movement of the rectangular movable plate 42; when the pick-up clamp 51 rotates to the position that the opening of the U-shaped receiving groove 511 is just butted with the discharge hole of the material clamp 3 (the pick-up motor 52 can be used for limiting the induction of the material level sensor 53), the roller 44 rolls to the highest end of the inclined plane 432, the rectangular movable plate 42 is subjected to the maximum outward thrust action, so that the L-shaped limiting baffle 48 is separated from the limiting column 49, the spring 46 is compressed, and the head of the material blocking rod 40 is retracted into the groove 35; because the mounting of the material clamp 3 has a certain inclination angle and has the vibration function of the vibration motor 34, the T-shaped welding nails 9 with the porcelain rings 8 positioned on the material clamp 3 can smoothly fall into the U-shaped receiving grooves 511 along with the retraction of the head parts of the material blocking rods 40 (please refer to the combination of fig. 5 and 6);
3) When the receiving and sending motor 52 drives the receiving and sending clamp 51 to rotate towards the welding gun material taking position, the roller 44 rolls from the highest end of the inclined plane 432 to the lower end until the receiving and sending clamp is separated from the inclined plane 432, so that the outward thrust generated by the roller 44 on the inclined plane 432 gradually decreases until the receiving and sending clamp is disappeared, the rectangular movable plate 42 is pushed to the side of the material clamp 3 under the action of the resilience force of the spring 46 until the receiving and sending clamp is limited under the cooperation of the L-shaped limit baffle 48 and the limit column 49, so that the material blocking rod 40 penetrates through the concave groove 35 to be blocked in the material outlet of the material clamp 3 (because the head diameter of the T-shaped welding nail 9 is larger than the diameter of the column shaft, a gap for the material blocking rod 40 to penetrate is formed between the column shafts of the T-shaped welding nail 9), and the material clamp 3 is in a material waiting and discharging state again; when the pick-up clamp 51 rotates to the position right below the welding gun 7, the pick-up motor 52 can stop rotating by sensing of the welding gun material taking position sensor 54, and wait for the welding gun 7 to take materials; in addition, in this embodiment, two ends of the opening of the U-shaped receiving groove 511 of the receiving and sending clamp 51 are fixedly provided with a stop block 512, and the stop block 512 protrudes from the top surface of the U-shaped receiving groove 511, so that the porcelain ring 8 on the top surface of the U-shaped receiving groove 511 can be blocked by the stop block 512, and therefore, when the receiving and sending clamp 51 for receiving materials rotates to the welding gun material taking position, the porcelain ring 8 on the U-shaped receiving groove 511 and the T-shaped welding nails 9 sleeved in the porcelain ring 8 can not slide down (please refer to fig. 6 and 7);
4) After the material of the welding gun 7 is taken out, the pick-up clamp 51 is retracted to the other side of the welding gun 7 under the drive of the pick-up motor 52 so as not to influence the welding operation of the lower row of the welding gun 7, and when the retraction is in place, the pick-up motor 52 stops rotating under the induction of the retraction sensor 55 (see fig. 8);
5) When the welding gun 7 completes the welding operation to the position to be taken, the pick-up clamp 51 is returned to the position immediately below the welding gun 7 by the drive of the pick-up motor 52 to perform the next cycle.
In addition, before automatic welding, the automatic feeding mechanism of the invention needs to adjust the welding gun 7 and the material clamp 3 to the position to be welded and the proper height through the lifting motor 64 and the rotating motor 67; the T-shaped welding nails 9 with the porcelain rings 8 in the material clamp 3 can be placed manually or by adopting a device for realizing automatic feeding of the T-shaped welding nails, which is described in the patent ZL 201620260551.6.
Finally, it is necessary to point out here that: the foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be covered by the present invention.
Claims (9)
1. A automatic feeding mechanism that is used for taking T type of ceramic ring to weld nail, its characterized in that: the automatic feeding device comprises a transverse bracket, a longitudinal bracket, a material clamp, a discharging assembly and a receiving and feeding assembly, wherein one end of the transverse bracket is vertically fixed on the rear side surface of the longitudinal bracket, the upper part of the material clamp is connected with the transverse bracket, and the lower part of the material clamp is connected with the longitudinal bracket; the discharging assembly comprises a material blocking rod which is arranged at the discharging end of the material clamp in a penetrating manner and can realize telescopic movement; the receiving and feeding assembly comprises a receiving and feeding clamp and a receiving and feeding motor, wherein one end of the receiving and feeding clamp is provided with a U-shaped receiving groove with an opening facing the material clamp, the other end of the receiving and feeding clamp is sleeved on an output shaft of the receiving and feeding motor, and the receiving and feeding motor is fixed at the bottom of the longitudinal bracket; the discharging assembly further comprises a rectangular fixed plate, a rectangular movable plate, a right triangle push plate and rollers, wherein the rectangular fixed plate is fixed below the rear side of the longitudinal bracket and is close to the charging clamp, and the rectangular movable plate is connected to the inner side surface of the rectangular fixed plate in a sliding manner; a through hole is transversely formed in the middle of the rectangular movable plate, the material blocking rod is fixedly arranged at the head of the through hole, a groove for the material blocking rod to penetrate out is formed in the discharge end of the material clamp, a spring is penetrated through the tail of the through hole, the front end of the spring is freely positioned in the through hole, and the tail end of the spring is fixedly connected with the inner side surface of the rectangular fixed plate through a spring fixing plate; a right-angle side of the right-angle triangle push plate is fixedly connected with the bottom of the rectangular movable plate, and the inclined surface of the right-angle triangle push plate faces to the material clamp; the roller is fixed at the lower part of the pick-up clamp; in the initial state, the spring is in an initial state of stretching, the rectangular movable plate is pushed to the side of the material clamp by the spring, and the material blocking rod penetrates out of the groove to block the material outlet of the material clamp, so that the material clamp is in a state to be discharged; as the receiving and sending clamp approaches to the discharging end of the material clamp, the roller at the lower part of the receiving and sending clamp is in rolling contact with the inclined plane of the right triangle push plate, the roller can generate an outward thrust action on the inclined plane along with the rolling of the roller to the high end of the inclined plane, and the rectangular movable plate is driven to move outwards after the inclined plane receives the outward thrust of the roller, and the material blocking rod also moves outwards along with the outward movement of the rectangular movable plate; when the roller rolls to the highest end of the inclined plane, the rectangular movable plate receives the maximum outward thrust action, and at the moment, the spring is compressed, and the head of the material blocking rod retreats into the groove, so that the T-shaped welding nails with the porcelain rings positioned on the material clamp can smoothly fall into the U-shaped material receiving groove along with the retraction of the head of the material blocking rod; when the roller rolls from the highest end of the inclined surface to the lower end until the roller is separated from the inclined surface, the outward thrust generated by the roller on the inclined surface gradually decreases until the roller disappears, so that the rectangular movable plate is pushed to the side of the material clamp under the action of the resilience force of the spring, the material blocking rod penetrates out of the groove again to block the material outlet of the material clamp, and the material clamp is in a state to be discharged again.
2. The automatic feeding mechanism for a T-shaped welding nail with a porcelain ring according to claim 1, wherein: the rectangular movable plate is fixedly connected with a sliding block, a sliding rail is arranged on the inner side face of the rectangular fixed plate, and a sliding groove matched with the sliding rail is arranged on the sliding block.
3. The automatic feeding mechanism for a T-shaped welding nail with a porcelain ring according to claim 2, wherein: an L-shaped limit baffle is arranged at the tops of the rectangular movable plate and the sliding block, and a limit column matched with the L-shaped limit baffle is arranged on the inner side surface of the rectangular fixed plate.
4. The automatic feeding mechanism for a T-shaped welding nail with a porcelain ring according to claim 1, wherein: a guide post is fixedly arranged on the spring fixing plate, and the tail end of the spring is sleeved on the guide post.
5. The automatic feeding mechanism for a T-shaped welding nail with a porcelain ring according to claim 1, wherein: a stop block is fixedly arranged at two ends of the opening of the U-shaped receiving groove of the receiving clamp and protrudes out of the top surface of the U-shaped receiving groove.
6. The automatic feeding mechanism for a porcelain ring-equipped T-shaped welding nail of claim 5, wherein: the upper end face of the stop block is provided with an inclined plane A, and the bottom surface of the discharge end of the material clamp is provided with an inclined plane B which is matched with the inclined plane A.
7. The automatic feeding mechanism for a T-shaped welding nail with a porcelain ring according to claim 1, wherein: and a receiving position sensor, a welding gun material taking position sensor and a returning position sensor are respectively arranged on the periphery of the receiving and delivering motor.
8. The automatic feeding mechanism for a T-stud with a porcelain ring according to any one of claims 1 to 7, wherein: the automatic feeding mechanism further comprises a stand column, and the transverse support is sleeved on the stand column and can do lifting motion on the stand column and rotate 360 degrees around the stand column.
9. The automatic feeding mechanism for a porcelain ring-equipped T-shaped welding nail of claim 8, wherein: the vertical column is longitudinally provided with a linear rack, a sliding sleeve capable of sliding up and down but not rotating around the linear rack is sleeved on the vertical column, the transverse support is rotatably sleeved on the sliding sleeve, the lower part of the sliding sleeve is provided with an opening for meshing connection of a lifting gear and the linear rack, the lifting gear is fixed on an output shaft of a lifting motor, and the lifting motor is fixedly connected to the side part of the sliding sleeve; and a driven gear is sleeved outside the sliding sleeve, a driving gear meshed with the driven gear is fixedly arranged on an output shaft of the rotating motor, and the rotating motor is fixedly arranged on the transverse bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910555939.7A CN110238579B (en) | 2019-06-25 | 2019-06-25 | Automatic feeding mechanism for T-shaped welding nails with porcelain rings |
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| CN201910555939.7A CN110238579B (en) | 2019-06-25 | 2019-06-25 | Automatic feeding mechanism for T-shaped welding nails with porcelain rings |
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| CN110238579B true CN110238579B (en) | 2024-01-16 |
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