CN220560375U - Casting tin bar production die - Google Patents

Abstract

The utility model discloses a cast tin bar production die, which solves the problem of slow delivery efficiency of tin bars caused by small quantity of formed products. The device comprises a fixed die, a movable die and a machine base, wherein the fixed die is fixedly arranged on the machine base, a middle die is arranged between the fixed die and the movable die, and a cavity for forming tin bars is formed in the middle die; when the mold is closed, the middle mold cover is tightly pressed on the fixed mold, and the movable mold cover is tightly pressed on the middle mold; the machine seat is provided with a guide post, a lifting mechanism for lifting the movable die and a lifting mechanism for lifting the middle die, and the movable die and the middle die are respectively connected to the guide post in a sliding manner so as to lift along the height direction of the guide post. The forming cavity of the middle die is increased, which is equivalent to a double-layer forming surface, the number of tin bars which can be formed in one casting period is doubled, the processing efficiency is improved, and the lifting mechanism, the hoisting mechanism and other mechanisms are utilized to automatically open and close the die, so that the operator saves more labor and time, and the production efficiency is improved.

Description

Casting tin bar production die

Technical Field

The utility model relates to the technical field of tin bar processing, in particular to a cast tin bar production die.

Background

The tin bar is strip-shaped tin solder, is mainly used for wave soldering and dip soldering, and is the variety with the largest consumption in the current electronic solder; the small amount of the material is also used for flame brazing or soldering iron welding large structural parts and long welding seams, and is the most important and indispensable connecting material for all products such as electronic and electric appliances. The tin bar is generally cast, so that a tin bar casting mold is needed in the production and processing of the tin bar.

The Chinese patent utility model discloses: a casting tin bar production mould (publication number: CN 211803686U) comprises a fixed mould and a movable mould which are detachably connected, and the casting tin bar production mould can be cooled in multiple directions by matching a first cooling water channel, a second cooling water channel and a third cooling water channel, so that the forming speed is increased, and the production efficiency is improved. The die improves production efficiency by accelerating cooling speed, however, the die is opened by a mode that the movable die and the fixed die are overturned around the pin shaft, the die is opened manually by an operator, the degree of automation is low, casting processing of a group of tin bars can be carried out each time, the number of forming is small, and the time length of one casting period is not short because of cooling and knocking down, so that the whole casting time length is time-consuming, and the delivery efficiency of the tin bars is still influenced.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a cast tin bar production die, which solves the problem of slow delivery efficiency of tin bars caused by small quantity of formed products.

The technical scheme of the utility model is as follows: the device comprises a fixed die, a movable die and a machine base, wherein the fixed die is fixedly arranged on the machine base, a middle die is arranged between the fixed die and the movable die, and a cavity for forming tin bars is formed in the middle die; when the mold is closed, the middle mold cover is tightly pressed on the fixed mold, and the movable mold cover is tightly pressed on the middle mold; the machine seat is provided with a guide post, a lifting mechanism for lifting the movable die and a lifting mechanism for lifting the middle die, and the movable die and the middle die are respectively connected to the guide post in a sliding manner so as to lift along the height direction of the guide post.

By adopting the technical scheme, the molding cavity of the middle mold is increased, which is equivalent to a molding surface with double layers, the number of the tin bars which can be molded in one casting period is doubled, the processing efficiency is improved, and the mechanism such as a lifting mechanism and a hoisting mechanism is utilized to automatically open and close the mold, so that an operator saves more labor and time, and the production efficiency is improved.

In one possible design, the bottom end of the guide post is hinged on the machine base, the hoisting mechanism comprises a telescopic cylinder, a hoisting support and a sling, the hoisting support is fixedly arranged on one side of the machine base, one end of the telescopic cylinder is hinged on the hoisting support, the other end is an output end, the output end is connected with the top end of the guide post, one end of the sling is fixed on the middle die, and the rope body of the sling passes through the top end of the guide post to be fixed on the hoisting support; the output end of the telescopic cylinder acts to drive the guide post to rotate around the bottom end of the guide post, and the sling lifts the middle die due to the outward movement of the top end of the guide post.

By adopting the design, the guide pillar swings outwards through the telescopic cylinder, so that the top end of the guide pillar moves outwards, the fixed die, the middle die and the movable die form staggered positions during die opening, the die opening is convenient for taking down tin bar forming products, the convenience of lifting operation is facilitated, in addition, the outer moving of the top end of the guide pillar is unchanged in length, the sling can lift the middle die in a homeotropic manner, a driving piece is not required to be additionally arranged for driving the middle die to open the die, and the equipment cost is reduced.

In one possible design, the lifting mechanism comprises a lifting cylinder, the cylinder body of the lifting cylinder is fixed at the top end of the guide post, and the output end of the lifting cylinder is hinged with the movable die.

By adopting the design, the lifting cylinder is utilized to move the die to be matched with the middle die, and the die is tightly pressed on the middle die, so that the molding of a cavity of the middle die is facilitated, the die clamping force is enough, and the design is reasonable.

In one possible design, the guide post is provided with a track hole along the height direction, the two sides of the middle die and the movable die are fixed with pin shafts, and the pin shafts can be movably inserted into the track hole.

By adopting the design, the movable die and the middle die are prevented from being driven to swing and incline when the guide post is stressed and inclined, and pressure can be applied to the middle die to pour the formed tin bars.

In one possible design, the top end of the guide post is rotatably mounted with a roller on which the sling is threaded.

By adopting the design, the friction force of the sling is reduced by the roller, and the track change of the sling is smoother.

In one possible design, a rotating shaft is installed on the machine base, the bottom end of the guide post is rotationally connected with the rotating shaft, a groove is formed in the machine base, and one side wall of the groove is propped against the guide post when the die is assembled.

By adopting the design, the swing stroke of the guide post is limited, and particularly when the die is closed, the guide post returns to the vertical state, so that the die closing is facilitated.

Drawings

FIG. 1 is a schematic diagram of a mold clamping state of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic view of an open mold structure of the present utility model;

1, fixing the mold; 2. a movable mold; 3. a base; 4. middle mold; 41. a cavity; 5. a guide post; 6. a lifting mechanism; 7. a hoisting mechanism; 71. a telescopic cylinder; 72. hoisting the bracket; 73. a sling; 61. a lifting cylinder; 51. a track hole; 42. a pin shaft; 52. a roller; 31. a rotating shaft; 32. a groove.

Detailed Description

The production mold for casting tin bars as shown in fig. 1-3 comprises a fixed mold 1, a movable mold 2 and a machine base 3, wherein the fixed mold 1 is fixedly arranged on the machine base 3, a middle mold 4 is arranged between the fixed mold 1 and the movable mold 2, a cavity 41 for forming tin bars is formed in the middle mold 4, the fixed mold 1 is also provided with the cavity 41, when the mold is closed, the middle mold 4 is covered and tightly pressed on the fixed mold 1, and the movable mold 2 is covered and tightly pressed on the middle mold 4; the machine base 3 is provided with a guide post 5, a lifting mechanism 6 for lifting the movable die 2 and a lifting mechanism 7 for lifting the middle die 4, and the movable die 2 and the middle die 4 are respectively connected to the guide post 5 in a sliding manner so as to lift along the height direction of the guide post 5. The fixed die 1 and the middle die 4 are respectively provided with a forming cavity 41, and can be opened and closed through the lifting mechanism 6 and the lifting mechanism 7, so that the number of tin bar finished products in one casting period is increased and the automatic level is lifted.

The bottom of guide pillar 5 articulates on frame 3, hoist and mount mechanism 7 is including flexible cylinder 71, hoist and mount support 72 and hoist and mount 73, hoist and mount support 72 fixed mounting is in one side of frame 3, and the one end of flexible cylinder 71 articulates and installs on hoist and mount support 72, and the other end is the output telescopic link, and this output articulates with the top of guide pillar 5 mutually, and hoist and mount of one end of hoist and mount 73 are fixed in on the middle mould 4, and the cable body of hoist and mount 73 is passed and is extended to hoist and mount support 72 direction behind the top of guide pillar 5, until the other end of hoist and mount 73 is fixed in hoist and mount support 72 department. In the process of die sinking, the output end of the telescopic cylinder 71 extends outwards to drive the guide post 5 to rotate outwards for a certain angle around the bottom end of the telescopic cylinder, the telescopic cylinder 71 can swing downwards for a certain angle around one end of the telescopic cylinder, and meanwhile, under the condition that the length of the sling 73 is unchanged due to the outwards movement of the top end of the guide post 5, the sling 73 can hoist the middle die 4 along with the swinging of the guide post 5, so that die sinking operation of the middle die 4 is realized. When the die is required to be closed, the output end of the telescopic cylinder 71 is retracted, the guide post 5 is driven to rotate back inwards around the bottom end of the telescopic cylinder, the top end of the guide post 5 moves towards the lifting support 72, and the middle die 4 gradually falls down to be close to the fixed die 1. The slings 73 may be rope rigging such as ropes, chains, wires, etc.

The lifting mechanism 6 comprises a lifting cylinder 61, the cylinder body of the lifting cylinder 61 is fixed at the top end of the guide post 5, and the output end of the lifting cylinder 61 is hinged with the movable die 2. The lifting cylinder 61 is used for lifting the movable die 2, separating the movable die 2 from the middle die 4 and pressing the middle die 4.

The guide post 5 is provided with a track hole 51 along the height direction, the two sides of the middle die 4 and the movable die 2 are fixed with pin shafts 42, and the pin shafts 42 can be movably inserted into the track hole 51. The track hole 51 serves to restrict the pin 42 to move only in the direction of the track hole 51, and the pin 42 is rotatable within the track hole 51. The pin shaft 42 should be at the middle position of the movable die 2 and the middle die 4, so that the pin shaft is prevented from tilting to one side when no acting force is applied.

The top end of the guide post 5 is rotatably provided with a roller 52, and a sling 73 is wound on the roller 52. When the guide post 5 swings, the roller 52 rotates to drive the track of the sling 73 to change.

The rotary shaft 31 is arranged on the machine base 3, the bottom end of the guide post 5 is rotationally connected with the rotary shaft 31, the machine base 3 is provided with a groove 32, one side wall of the groove 32 is propped against the guide post 5 when the die is assembled, and the side wall of the groove 32 is vertically distributed. During die assembly, the guide post 5 contacts the side wall of the groove 32 to enable the guide post 5 to rotate to be in a vertical state, so that die assembly is performed on a vertical surface.

Claims (6)

1. The utility model provides a pouring tin bar production mould, is including cover half (1), movable mould (2) and frame (3), cover half (1) fixed mounting is on frame (3), its characterized in that: a middle die (4) is arranged between the fixed die (1) and the movable die (2), and a cavity (41) for forming tin bars is formed in the middle die (4); when the mold is closed, the middle mold (4) is covered and tightly pressed on the fixed mold (1), and the movable mold (2) is covered and tightly pressed on the middle mold (4); the lifting mechanism (6) for lifting the movable mould (2) and the lifting mechanism (7) for lifting the middle mould (4) are arranged on the machine base (3), and the movable mould (2) and the middle mould (4) are respectively connected onto the guide column (5) in a sliding manner so as to lift along the height direction of the guide column (5).

2. The cast tin bar production mold according to claim 1, wherein: the bottom end of the guide post (5) is hinged to the machine base (3), the lifting mechanism (7) comprises a telescopic cylinder (71), a lifting support (72) and a sling (73), the lifting support (72) is fixedly arranged on one side of the machine base (3), one end of the telescopic cylinder (71) is hinged to the lifting support (72), the other end of the telescopic cylinder is an output end, the output end is connected with the top end of the guide post (5), one end of the sling (73) is fixed to the middle die (4), and the cable body of the sling (73) passes through the top end of the guide post (5) until being fixed at the lifting support (72); the output end of the telescopic cylinder (71) acts to drive the guide post (5) to rotate around the bottom end of the guide post, and the sling (73) lifts the middle die (4) due to the outward movement of the top end of the guide post (5).

3. The cast tin bar production mold according to claim 1 or 2, wherein: the lifting mechanism (6) comprises a lifting cylinder (61), a cylinder body of the lifting cylinder (61) is fixed at the top end of the guide post (5), and the output end of the lifting cylinder (61) is hinged with the movable die (2).

4. The cast tin bar production mold according to claim 1 or 2, wherein: the guide post (5) is provided with a track hole (51) along the height direction, pin shafts (42) are fixed on two sides of the middle die (4) and the movable die (2), and the pin shafts (42) can be movably inserted into the track hole (51).

5. The cast tin bar production mold according to claim 2, wherein: the top end of the guide post (5) is rotatably provided with a roller (52), and the sling (73) is wound on the roller (52) in a penetrating way.

6. The cast tin bar production mold according to claim 2, wherein: the die is characterized in that a rotating shaft (31) is arranged on the base (3), the bottom end of the guide post (5) is rotationally connected with the rotating shaft (31), a groove (32) is formed in the base (3), and one side wall of the groove (32) is propped against the guide post (5) when the die is assembled.