CN114664550A

CN114664550A - Current transformer casting mold

Info

Publication number: CN114664550A
Application number: CN202210361176.4A
Authority: CN
Inventors: 周楠; 田明江; 赵美珍
Original assignee: Jiangsu Jingjiang Transformer Co ltd
Current assignee: Jiangsu Jingjiang Transformer Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-06-24
Anticipated expiration: 2042-04-07
Also published as: CN114664550B

Abstract

The invention discloses a current transformer casting mold, and relates to the technical field of current transformer production. Be provided with bubble removal mechanism on the base, an operation is got rid of to bubble for in the mould, bubble removal mechanism includes connecting piece and a plurality of mould, a plurality of mould equidistance distribute in connecting piece week side, the mould includes die and terrace die, the feed port has been seted up on the die, the die runs through and is provided with a plurality of guide arms, the cover is equipped with first spring on the guide arm, be connected with the pull rod on the die, it has the transfer line to articulate behind the pull rod through-connection spare, it is connected with a plurality of pivots to rotate on the connecting piece, be connected with the crank in the pivot, the waist groove has been seted up on the crank, transfer line tip sliding connection is at the waist inslot, be provided with a plurality of first striking pieces that are used for striking the mould on the base. According to the invention, the arranged bubble removing mechanism can impact the die and realize repeated beating and oscillation effects on the die, so that bubbles in the casting piece are reduced, and the quality of the casting piece of the current transformer is improved.

Description

Current transformer casting mold

Technical Field

The invention belongs to the technical field of current transformer production, and particularly relates to a current transformer casting mold.

Background

The current transformer has the function of converting primary current with larger value into secondary current with smaller value through a certain transformation ratio for protection, measurement and other purposes. The demand on the current transformer in the electronic industry is huge, and the influence of the quality of the current transformer on the whole system is huge, so that the casting mold of the current transformer is required to have high production efficiency and high product quality.

In the process of pouring the current transformer, a plurality of bubbles can be generated on a pouring piece, the quality of the current transformer is influenced, and the existing pouring mold is single in function and cannot effectively solve the problem of bubbles.

Disclosure of Invention

Aiming at the problems, the invention provides a current transformer casting mold, which solves the problem that the quality of a current transformer is influenced because bubbles cannot be effectively reduced by the current transformer casting mold.

The technical scheme for solving the technical problems is as follows: the bubble removing mechanism is arranged on the base and used for bubble removing operation in a die, the bubble removing mechanism comprises a connecting piece and a plurality of dies, the dies are equidistantly distributed on the periphery of the connecting piece, the dies comprise a female die and a male die, a feed hole is formed in the female die, a plurality of guide rods penetrate through the female die and are connected with the female die in a sliding mode, the end portions of the guide rods are connected with the connecting piece, first springs are sleeved on the guide rods and are positioned between the female die and the connecting piece, pull rods are connected onto the female die and are hinged to the connecting piece after penetrating through the connecting piece, the pull rods are connected with the connecting piece in a sliding mode, a plurality of rotating shafts are rotatably connected onto the connecting piece, cranks are connected onto the rotating shafts, waist grooves are formed in the cranks, the end portions of the transmission rods are connected into the waist grooves in a sliding mode, and a plurality of first impact blocks for impacting the dies are arranged on the base; the base is provided with a first driving mechanism for driving the connecting piece to rotate, the base is provided with a second driving mechanism for driving the crank to rotate, the base is provided with a die opening mechanism and a demoulding mechanism, and the die opening mechanism is linked with the demoulding mechanism.

Furthermore, first actuating mechanism includes first motor and rotation post, and first motor is installed in the base downside, rotates post one end and is connected with the connecting piece downside, rotates the post other end and runs through behind the base with first motor output coaxial coupling, rotates the post and rotates with the base and be connected.

Further, second actuating mechanism includes second motor and sleeve, and the second motor is installed in the base upside, and second motor output shaft cover is equipped with first bevel gear, rotates the post cover and is equipped with sleeve and both rotate the connection, and the sleeve cover is equipped with the second bevel gear with first bevel gear meshing, and the cover is equipped with first spur gear on the sleeve, overlaps in the pivot to be equipped with the second spur gear with first spur gear meshing.

Further, the die sinking mechanism includes slip post and briquetting, and the die both sides all run through and are provided with the slip post, slip post and die sliding connection, and slip post one end is connected with the briquetting, and the cover is equipped with the second spring on the slip post, and the second spring is in between briquetting and the die, and the slip post other end is connected with the movable block, and it has first push rod to articulate on the movable block, and first push rod tip articulates there is the retaining member, retaining member and die sliding connection, the terrace die both sides all be provided with retaining member matched with joint spare, be provided with the second striking piece that is used for striking the briquetting on the base.

Further, demoulding mechanism includes roof and connecting rod spare, the roof both sides all articulate there is the connecting rod spare, spacing spout has all been seted up to the die both sides, the connecting rod spare passes through spacing spout and die sliding connection, it has the second push rod to articulate on the movable block, the second push rod is articulated with the connecting rod spare, be provided with the cooperation board between roof and the die, sliding connection has the stripper plate in the die, the stripper plate passes through a plurality of ejector pins and cooperation board fixed connection, the ejector pin runs through the die and both sliding connection, the cover is equipped with the third spring on the ejector pin, the third spring is in between cooperation board and the die.

The invention has the beneficial effects that:

(1) according to the invention, the arranged bubble removing mechanism can impact the die and realize repeated beating and oscillation effects on the die, so that bubbles in the casting piece are reduced, and the quality of the casting piece of the current transformer is improved.

(2) According to the invention, the first driving mechanism and the second driving mechanism are arranged to work in a matching manner, so that multiple times of impact operation of the die is realized, the generation of bubbles is effectively reduced, and the die opening mechanism and the demolding mechanism are integrally operated.

(3) According to the invention, the die opening mechanism and the demolding mechanism are linked, so that the opening operation of the die is realized firstly, and then the casting piece which is vibrated and knocked to remove bubbles is pushed out of the die, so that the integrated operation of pouring, bubble removal, die opening and demolding of a plurality of dies is realized, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the guide bar of the present invention.

Fig. 3 is a schematic view of the tie rod of the present invention.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic view of a second drive mechanism of the present invention.

FIG. 6 is a schematic view of a first spur gear of the present invention.

Fig. 7 is a schematic view of the first mold opening mechanism of the invention.

Fig. 8 is a schematic view of a second mold opening mechanism of the present invention.

Figure 9 is a schematic view of a stripper plate of the present invention.

Reference numerals: 1. a base; 2. a bubble removal mechanism; 21. a connecting member; 22. a mold; 221. a female die; 222. a male die; 23. a feed port; 24. a guide bar; 25. a first spring; 26. a pull rod; 27. a transmission rod; 28. a rotating shaft; 29. a crank; 210. a waist groove; 211. a first impact block; 3. a first drive mechanism; 31. a first motor; 32. rotating the column; 4. a second drive mechanism; 41. a second motor; 42. a sleeve; 43. a first bevel gear; 44. a second bevel gear; 45. a first spur gear; 46. a second spur gear; 5. a mold opening mechanism; 51. a sliding post; 52. briquetting; 53. a second spring; 54. a moving block; 55. a first push rod; 56. a locking member; 57. a clamping piece; 58. a second impact block; 6. a demolding mechanism; 61. a top plate; 62. a link member; 63. a limiting chute; 64. a second push rod; 65. a mating plate; 66. a stripper plate; 67. a top rod; 68. and a third spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, 2, 3, 4, 7, and 8, in the pouring mold for a current transformer provided in this embodiment, a bubble removing mechanism 2 is disposed on a base 1 and is used for removing bubbles in a mold 22, the bubble removing mechanism 2 includes a connecting member 21 and a plurality of molds 22, the plurality of molds 22 are equidistantly distributed around the connecting member 21, in this embodiment, four molds 22 are disposed, each mold 22 includes a female mold 221 and a male mold 222, a feeding hole 23 is disposed on the female mold 221, the female mold 221 is provided with a plurality of guide rods 24 in a penetrating manner, in this embodiment, the number of the guide rods 24 connected to each female mold 221 is two, the guide rods 24 are slidably connected to the female mold 221, an end portion of each guide rod 24 is connected to the connecting member 21, the guide rods 24 are sleeved with a first spring 25, the first spring 25 is disposed between the female mold 221 and the connecting member 21, the female mold 221 is connected to a pull rod 26, the pull rod 26 is hinged to a driving rod 27 after penetrating the connecting member 21, pull rod 26 and connecting piece 21 sliding connection, it is connected with a plurality of pivots 28 to rotate on the connecting piece 21, be connected with crank 29 on the pivot 28, waist groove 210 has been seted up on the crank 29, transfer line 27 tip sliding connection is in waist groove 210, be provided with a plurality of first striking block 211 that are used for striking mould 22 on the base 1, the quantity of first striking block 211 is three in this embodiment, the design has the exhaust hole that is used for carminative on the current mould, through first spring 25, crank 29, waist groove 210, the cooperation work of first striking block 211, can strike mould 22 and first striking block 211 each other, realize vibrations to the pouring member in the mould 22 and beat the operation, effectively discharge the bubble.

As shown in fig. 1, fig. 4, fig. 5, and fig. 6, a first driving mechanism 3 for driving the connecting member 21 to rotate is arranged on the base 1, the first driving mechanism 3 includes a first motor 31 and a rotating column 32, the first motor 31 is installed on the lower side of the base 1, one end of the rotating column 32 is connected with the lower side of the connecting member 21, the other end of the rotating column 32 penetrates through the base 1 and then is coaxially connected with the output end of the first motor 31, the rotating column 32 is rotatably connected with the base 1, the first motor 31 drives the rotating column 32 to rotate, and then drives the connecting member 21 and four molds 22 to rotate, and the four molds 22 to rotate perform multiple times of oscillating and knocking operations.

As shown in fig. 1, 4, 5, and 6, a second driving mechanism 4 for driving the crank 29 to rotate is disposed on the base 1, the second driving mechanism 4 includes a second motor 41 and a sleeve 42, the second motor 41 is mounted on the upper side of the base 1, an output shaft of the second motor 41 is sleeved with a first bevel gear 43, the rotating column 32 is sleeved with the sleeve 42 and rotatably connected with the sleeve 42, the sleeve 42 is sleeved with a second bevel gear 44 meshed with the first bevel gear 43, the sleeve 42 is sleeved with a first spur gear 45, the rotating shaft 28 is sleeved with a second spur gear 46 meshed with the first spur gear 45, the second driving mechanism 4 cooperates with the first driving mechanism 3 to drive the crank 29 to rotate, so as to achieve the reciprocating operation of the pull rod 26 and the mold 22, and collide with the first striking block 211 to achieve the oscillating and striking operation.

As shown in fig. 1, 3, 7, 8 and 9, a base 1 is provided with a mold opening mechanism 5 and a demolding mechanism 6, the mold opening mechanism 5 is linked with the demolding mechanism 6, the mold opening mechanism 5 comprises a sliding column 51 and a pressing block 52, the two sides of the female mold 221 are both provided with the sliding column 51 in a penetrating manner, the sliding column 51 is connected with the female mold 221 in a sliding manner, one end of the sliding column 51 is connected with the pressing block 52, the sliding column 51 is sleeved with a second spring 53, the second spring 53 is positioned between the pressing block 52 and the female mold 221, the other end of the sliding column 51 is connected with a moving block 54, the moving block 54 is hinged with a first push rod 55, the end part of the first push rod 55 is hinged with a locking block 56, the locking block 56 is connected with the female mold 221 in a sliding manner, the two sides of the male mold 222 are both provided with clamping parts 57 matched with the locking block 56, the base 1 is provided with a second striking block 58 for striking the pressing block 52, the second driving mechanism 4 drives the mold 22 to move, so that the pressing block 52 collides with the second striking block 58, the pressing block 52 pushes the moving block 54, and the locking part 56 is separated from the clamping part 57 through the first push rod 55, so that automatic die opening operation is realized.

As shown in fig. 1, 3, 7, 8, and 9, the demolding mechanism 6 includes a top plate 61 and a link member 62, the link member 62 is hinged to both sides of the top plate 61, the limit sliding groove 63 is formed in both sides of the die 221, the link member 62 is slidably connected to the die 221 through the limit sliding groove 63, the moving block 54 is hinged to a second push rod 64, the second push rod 64 is hinged to the link member 62, a matching plate 65 is disposed between the top plate 61 and the die 221, the demolding plate 66 is slidably connected to the die 221, the demolding plate 66 is fixedly connected to the matching plate 65 through a plurality of push rods 67, the push rods 67 penetrate through the die 221 and are slidably connected to the matching plate 65, the third springs 68 are sleeved on the push rods 67, the third springs 68 are disposed between the matching plate 65 and the die 221, in this embodiment, the link member 62 is a four-link mechanism, and the movement of the top plate 61 is realized through the actions of the second push rods 64 and the limit sliding groove 63, so that the top plate 61 extrudes the matching plate 65, the mating plate 65 effects the demolding operation by ejecting the cast part from the mold 22 through the stripper plate 66.

The working principle of the embodiment is as follows:

the method comprises the following steps: the second motor 41 is operated to drive the first bevel gear 43 and the second bevel gear 44 to rotate, the second bevel gear 44 drives the sleeve 42 and the first spur gear 45 to synchronously rotate, the first spur gear 45 drives the second spur gear 46 to rotate, the second spur gear 46 drives the rotating shaft 28 and the crank 29 to rotate, when the crank 29 rotates, the transmission rod 27 is stressed at one end of the waist slot 210, the transmission rod 27 moves to drive the pull rod 26 to move towards the connecting piece 21, the pull rod 26 drives the mould 22 to move towards the connecting piece 21, at the moment, the first spring 25 is in a compressed state, the second motor 41 is stopped before the transmission rod 27 rebounds due to the elastic force of the first spring 25, and at the moment, the first spring 25 is in a power storage compressed state.

Step two: pouring raw materials for pouring into the cavity die 221 from the feeding hole 23 to perform pouring operation, operating the first motor 31, rotating the first motor 31 to drive the rotating column 32 to rotate, driving the connecting piece 21 to rotate by the rotating column 32, driving the die 22 to the position of the first impact block 211 by the connecting piece 21, stopping the first motor 31, operating the second motor 41 again, continuing to rotate the crank 29, ejecting the transmission rod 27 from one end to the other end in the waist groove 210 due to the acting force of the first spring 25, moving the pull rod 26 and the die 22 towards the direction of the first impact block 211, and colliding the die 22 with the first impact block 211 to realize vibration striking operation and further discharge bubbles in the vibration striking operation.

Step three: repeating the above operations, sequentially performing multiple impact operations to effectively discharge air bubbles, operating the first motor 31 to drive the mold 22 to move to the position of the second impact block 58, rotating the crank 29 to enable the transmission rod 27 to rebound, moving the pull rod 26 and the mold 22 towards the second impact block 58 through the acting force of the first spring 25, enabling the second impact block 58 to contact with the press block 52, pushing the sliding column 51 to slide on the female mold 221 after the press block 52 is extruded, enabling the second spring 53 to be in a compressed state, enabling the sliding column 51 to drive the moving block 54 to move, enabling the moving block 54 to act on the locking piece 56 through the first push rod 55, enabling the locking piece 56 to slide on the female mold 221 to separate from the clamping piece 57, realizing the separation of the female mold 221 and the male mold 222, driving the connecting rod 62 to move through the second push rod 64 when the sliding column 51 continues to move, driving the top plate 61 to move towards the female mold 221 when the connecting rod 62 moves, and enabling the top plate 61 to press the matching plate 65, the mating plate 65 moves the stripper plate 66 via the ejector 67 so that the stripper plate 66 ejects the cast member from the mold 22 for demolding.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a current transformer casting mold, includes base (1), its characterized in that: be provided with bubble removal mechanism (2) on base (1) for the operation is got rid of to the bubble in mould (22), bubble removal mechanism (2) includes connecting piece (21) and a plurality of mould (22), a plurality of mould (22) equidistance distribute in connecting piece (21) week side, mould (22) include die (221) and terrace die (222), feed port (23) have been seted up on die (221), die (221) run through and are provided with a plurality of guide arms (24), guide arm (24) and die (221) sliding connection, guide arm (24) tip is connected with connecting piece (21), the cover is equipped with first spring (25) on guide arm (24), first spring (25) are in between die (221) and connecting piece (21), be connected with pull rod (26) on die (221), pull rod (26) run through articulated behind connecting piece (21) have transfer line (27), pull rod (26) and connecting piece (21) sliding connection, the connecting piece (21) is rotatably connected with a plurality of rotating shafts (28), the rotating shafts (28) are connected with cranks (29), waist grooves (210) are formed in the cranks (29), the end parts of the transmission rods (27) are connected in the waist grooves (210) in a sliding mode, and a plurality of first impact blocks (211) used for impacting the mold (22) are arranged on the base (1); the base (1) is provided with a first driving mechanism (3) for driving the connecting piece (21) to rotate, the base (1) is provided with a second driving mechanism (4) for driving the crank (29) to rotate, the base (1) is provided with a die opening mechanism (5) and a demolding mechanism (6), and the die opening mechanism (5) is linked with the demolding mechanism (6).

2. The casting mold for the current transformer according to claim 1, wherein: first actuating mechanism (3) include first motor (31) and rotate post (32), and first motor (31) are installed in base (1) downside, rotate post (32) one end and are connected with connecting piece (21) downside, rotate post (32) other end and run through behind base (1) with first motor (31) output coaxial coupling, rotate post (32) and rotate with base (1) and be connected.

3. The casting mold for the current transformer according to claim 2, wherein: second actuating mechanism (4) include second motor (41) and sleeve (42), second motor (41) are installed in base (1) upside, second motor (41) output shaft cover is equipped with first bevel gear (43), it is connected to rotate post (32) cover and be equipped with sleeve (42) and both rotations, sleeve (42) cover is equipped with second bevel gear (44) with first bevel gear (43) meshing, the cover is equipped with first spur gear (45) on sleeve (42), the cover is equipped with second spur gear (46) with first spur gear (45) meshing on pivot (28).

4. The casting mold for the current transformer according to claim 1, wherein: die sinking mechanism (5) are including slip post (51) and briquetting (52), die (221) both sides all run through and are provided with slip post (51), slip post (51) and die (221) sliding connection, slip post (51) one end is connected with briquetting (52), the cover is equipped with second spring (53) on slip post (51), second spring (53) are in between briquetting (52) and die (221), slip post (51) other end is connected with movable block (54), it has first push rod (55) to articulate on movable block (54), first push rod (55) tip articulates there is retaining member (56), retaining member (56) and die (221) sliding connection, terrace die (222) both sides all are provided with joint spare (57) with retaining member (56) matched with, be provided with second striking piece (58) that are used for striking briquetting (52) on base (1).

5. The current transformer casting mold according to claim 4, wherein: demoulding mechanism (6) include roof (61) and connecting rod spare (62), roof (61) both sides all articulate connecting rod spare (62), spacing spout (63) have all been seted up to die (221) both sides, connecting rod spare (62) are through spacing spout (63) and die (221) sliding connection, it has second push rod (64) to articulate on movable block (54), second push rod (64) are articulated with connecting rod spare (62), be provided with cooperation board (65) between roof (61) and die (221), sliding connection has stripper plate (66) in die (221), stripper plate (66) are through a plurality of ejector pins (67) and cooperation board (65) fixed connection, ejector pin (67) run through die (221) and both sliding connection, the cover is equipped with third spring (68) on ejector pin (67), third spring (68) are in between cooperation board (65) and die (221).