Rim valve hole shaping and punching die
Technical Field
The utility model belongs to the technical field of rim processing equipment, and relates to a rim valve hole forming and punching die.
Background
The valve hole of rim is according to the product characteristic difference, need carry out the valve hole shaping, and after the valve hole shaping, need pump the valve hole, among the prior art, generally pump the valve hole again after the valve hole shaping, causes the position in valve hole to appear the deviation like this easily, causes the product disqualification.
Disclosure of Invention
The utility model aims at the problems existing in the prior art, and provides a rim valve hole forming and punching die, which aims at solving the technical problems that: how to improve the punching precision.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a rim valve hole shaping and punching die, includes cope match-plate pattern and lower plate, its characterized in that, install cope match-plate pattern and drift on the cope match-plate pattern, be connected with elastic component one between cope match-plate pattern and the cope match-plate pattern, cope match-plate pattern and drift sliding connection and the lower part of drift are located the cope match-plate pattern inside, install mold core and lower mould on the lower plate pattern with the upper portion of mold core sliding connection and mold core is located the lower mould, the mold core can follow stretch out in the lower mould, be provided with elastic component two between lower plate pattern and the lower mould, the cope match-plate pattern with the lower mould can offset and the drift can follow wear out and stretch into in the cope match-plate pattern in the mold core.
The working principle is as follows: the mould is under the split state, put the rim on the lower mould, afterwards the mould compound die, go up mould downwardly moving and then contact with lower Fang Lunwang, upper mould and lower mould compress down the in-process with the rim, go up mould and last in-process elastic component two of going down is compressed, make the mold core extrude the shape from the lower mould, the mold core will need to pump the position of valve hole on the rim, when mold core and last mould paste tightly, go up the mould and continue to push down, elastic component one is compressed and the drift is protruding from last mould, the drift begins to punch a hole on the rim, it is corresponding valve hole to pump the valve hole to go out at fashioned needs to pump.
When the die is split, the compressed elastic piece pushes the upper die downwards to enable the punch to retract to the initial position, and the compressed elastic piece pushes the lower die upwards to enable the lower die to be higher than the die core, so that the rim can be conveniently taken out, and the rim can be conveniently placed next time better.
The die can meet the requirements of forming and punching all rim valve holes, forming and punching are performed in one process, punching precision is high, product quality is guaranteed to be qualified, one process is saved, production efficiency is greatly improved, and personnel operation is more convenient.
In the rim valve hole forming and punching die, the first guide rod is arranged on the lower bottom plate, and the lower die is connected to the first guide rod in a sliding mode.
The guide rod plays a role in guiding the lower die, so that the stability of the lower die during movement is improved.
In the rim valve hole forming and punching die, the guide plate is mounted at the top of the upper die, the guide rod II is mounted at the lower portion of the upper die plate, the guide plate is slidably connected to the guide rod II, the punch is slidably connected to the guide plate and penetrates through the guide plate in the thickness direction of the guide plate, and the elastic piece I is mounted between the upper die plate and the guide plate.
The guide rod two plays a guide role on the guide plate, the guide plate plays a good guide role on the punch, the punch is stable when moving due to the structure, deviation is not easy to occur when punching, and punching accuracy is further improved.
In the rim valve hole forming and punching die, the lower bottom plate is provided with the guide post, the guide post is provided with the guide sleeve, and the upper die plate is slidably connected to the guide sleeve.
The guide post and the guide sleeve form a positioning guide structure, the guide structure guides the upper die plate in the pressing process of the upper die plate, deviation of the upper die and the punch in the moving process is prevented, and the forming and punching precision is improved.
In the rim valve hole forming and punching die, the first fixing plate is arranged at the lower part of the upper die, and the second guide rod is fixed on the first fixing plate.
The first fixing plate fixes the second guide rod on the upper die, so that the installation stability of the second guide rod is improved.
In the rim valve hole forming and punching die, the second fixing plate is arranged on the lower bottom plate, and the lower portion of the second elastic piece is fixed on the second fixing plate.
The second elastic piece is fixed on the lower bottom plate by the second fixing plate, and the second elastic piece is installed more firmly.
In the rim valve hole forming and punching die, the elastic piece I is a spring or a rubber sleeve.
In the rim valve hole forming and punching die, the elastic piece II is a spring or a rubber sleeve.
Compared with the prior art, the utility model has the following advantages:
1. the die can meet the requirements of forming and punching all rim valve holes, forming and punching are performed in one process, punching precision is high, product quality is guaranteed to be qualified, one process is saved, production efficiency is greatly improved, and personnel operation is more convenient.
2. When the die is in the die-separating state, the lower die is higher than the top of the die core, and when the rim is placed on the lower die, the lower die can be tightly attached to the lower die, the lower die is more random in placement, a specific position is not required to be aligned, and the rim is convenient to place.
Drawings
Fig. 1 is a schematic structural view of the present mold.
In the figure: the tire bead rim comprises an upper die plate 1, a lower base plate 2, an upper die 3, a punch 4, an elastic piece I, a die core 6, a lower die 7, an elastic piece II, a guide rod I9, a guide plate 10, a guide rod II 11, a guide column 12, a guide sleeve 13, a fixing plate I14, a fixing plate II 15 and a rim 16.
Detailed Description
The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, the die comprises an upper die plate 1 and a lower base plate 2, wherein an upper die 3 and a punch 4 are arranged on the upper die plate 1, an elastic piece I5 is connected between the upper die 3 and the upper die plate 1, the upper die 3 is in sliding connection with the punch 4, the lower part of the punch 4 is positioned inside the upper die 3, a die core 6 and a lower die 7 are arranged on the lower base plate 2, the lower die 7 is in sliding connection with the die core 6, the upper part of the die core 6 is positioned in the lower die 7, the die core 6 can extend out of the lower die 7, an elastic piece II 8 is arranged between the lower base plate 2 and the lower die 7, the upper die 3 can abut against the lower die 7, and the punch 4 can penetrate out of the upper die 3 and extend into the die core 6.
In the separated state, the rim 16 is placed on the lower die 7, then the dies are clamped, the upper die 3 moves downwards and then contacts with the lower rim 16, the upper die 3 and the lower die 7 compress the rim 16 in the pressing process, the elastic piece II 8 is compressed in the continuous descending process of the upper die 3, the die core 6 protrudes from the lower die 7, the die core 6 extrudes the shape at the position of the rim 16, which is required to be inflated, when the die core 6 is tightly attached to the upper die 3, the upper die 3 continues to press, the elastic piece I5 is compressed and the punch 4 protrudes from the upper die 3, the punch 4 starts to punch on the rim 16, and corresponding valve holes are punched when the molded valve holes are required to be inflated.
When the die separation is started, the compressed elastic piece I5 pushes the upper die 3 downwards to enable the punch 4 to retract to the initial position, and the compressed elastic piece II 8 pushes the lower die 7 upwards to enable the lower die to be higher than the die core 6, so that the rim 16 is conveniently taken out, and the next better placement of the rim 16 is also facilitated.
The first elastic piece 5 can be a spring or a rubber sleeve, and the second elastic piece 8 can also be a spring or a rubber sleeve.
As shown in fig. 1, in this embodiment, a first guide rod 9 is mounted on the lower base plate 2, and the lower die 7 is slidably connected to the first guide rod 9.
The first guide rod 9 plays a guide role on the lower die 7, and improves the stability of the lower die 7 during movement.
As shown in fig. 1, in the present embodiment, a guide plate 10 is mounted on the top of the upper die 3, a second guide rod 11 is mounted on the lower portion of the upper die plate 1, the guide plate 10 is slidably connected to the second guide rod 11, a punch 4 is slidably connected to the guide plate 10 and penetrates the guide plate 10 along the thickness direction of the guide plate 10, and a first elastic member 5 is mounted between the upper die plate 1 and the guide plate 10.
The guide rod II 11 plays a guide role on the guide plate 10, the guide plate 10 plays a good guide role on the punch 4, the punch 4 is stable in moving due to the structure, deviation is not easy to occur in punching, and punching accuracy is further improved.
As shown in fig. 1, in this embodiment, a guide post 12 is mounted on the lower base plate 2, a guide sleeve 13 is mounted on the guide post 12, and the upper die plate 1 is slidably connected to the guide sleeve 13.
The guide post 12 and the guide sleeve 13 form a positioning guide structure, the guide structure guides the upper die plate 1 in the pressing process of the upper die plate 1, deviation of the upper die 3 and the punch 4 in the moving process is prevented, and the forming and punching precision is improved.
As shown in fig. 1, in this embodiment, a first fixing plate 14 is mounted on the lower portion of the upper die 3, and a second guide rod 11 is fixed to the first fixing plate 14. The first fixing plate 14 fixes the second guide rod 11 on the upper die 3, so that the installation stability of the second guide rod 11 is improved.
As shown in fig. 1, in this embodiment, the second fixing plate 15 is mounted on the lower base plate 2, and the lower portion of the second elastic member 8 is fixed on the second fixing plate 15. The second elastic piece 8 is fixed on the lower bottom plate 2 by the second fixing plate 15, and the second elastic piece 8 is installed more firmly.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.