CN210025678U - Vibration press mould - Google Patents

Abstract

The utility model provides a vibration press die, which comprises a lower die, an upper die and a guide post, wherein the upper die is sleeved in the guide post in a sliding way and driven by a pressure cylinder of the vibration press to move up and down; the top of going up the mould is provided with two at least the same vibrating motor, and the component of the vibration force that these vibrating motors produced offsets each other in the horizontal direction, and the component in the vertical direction syntropy all the time. The die can avoid the vibration in the horizontal direction, and is favorable for improving the compaction degree of the blank.

Description

Vibration press mould

Technical Field

The utility model relates to a vibration press technical field, in particular to vibration press mould.

Background

In the production of ceramic tiles, a vibration press is generally used to press raw materials into a blank, and the blank is then transported to a sintering furnace for sintering. In the vibration press, the raw materials are pressed through the closing of the air cylinder or the hydraulic cylinder, then the upper die of the die vibrates through the vibration motor, the vibration process can effectively discharge air in the raw materials, huge impact force can be generated to compact the raw materials, meanwhile, the suction holes are formed in the lower die, and redundant moisture and air in the raw materials are pumped away from the suction holes by a vacuum pumping system.

General vibration press is provided with single vibrating motor, vibrating motor carries out the vibration through the vibration force that produces when inside eccentric wheel rotates, the vibration force that produces can unavoidably have the component of horizontal direction, can't produce the vibration force of pure vertical direction, consequently can lead to going up the mould and produce the vibration of horizontal direction, not only harm the parts that are not suitable for horizontal atress in the vibration press (if be used for going on the guide post that leads to going on to last mould, the damping spring of vibration press bottom etc.), still can make the raw materials bear the shear force and reduce the compaction degree of blank.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art's weak point, the utility model aims to provide a vibration press mould can avoid producing the vibration of horizontal direction.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a vibration press die comprises a lower die, an upper die and a guide post, wherein the upper die is sleeved in the guide post in a sliding mode and driven by a pressure cylinder of a vibration press to move up and down; the top of going up the mould is provided with two at least the same vibrating motor, and the component of the vibration force that these vibrating motors produced offsets each other in the horizontal direction, and the component in the vertical direction syntropy all the time.

In the mould for the vibrating press, the vibrating motors are arranged in an even number and are horizontally arranged, the vibrating motors are averagely divided into two groups, the two groups of vibrating motors are in one-to-one correspondence, all the vibrating motors in one group are parallel and symmetrically arranged with the corresponding vibrating motors in the other group, and the two corresponding vibrating motors can reversely rotate at a constant speed.

In the mould of the vibration press, the vibration motors are arranged in odd numbers and horizontally arranged along a circumference, the rotating shafts of the vibration motors are arranged along the tangential direction of the circumference, and all the vibration motors can rotate synchronously.

In the mould of the vibration press, the top of the lower mould is provided with a lower barrier strip respectively at the left side and the right side of the pressing area; the bottom of the upper die is provided with a convex block which is opposite to the pressing area, and the front side and the rear side of the convex block are respectively provided with an upper barrier strip; the pressing area, the lower barrier strip, the convex block and the upper barrier strip can jointly form a closed cavity when the upper die descends.

In the mould of the vibration press, the lower barrier strip can move left and right, and the top of the lower mould is provided with a first cylinder for driving the lower barrier strip to move; the upper blocking strip can move up and down, and a second air cylinder used for driving the upper blocking strip to move is arranged on the upper die.

In the mould of the vibration press, a plurality of waist holes extending along the left and right directions are formed in the lower barrier strip, a guide pin penetrates through each waist hole, and the guide pins are fixedly connected with the lower mould.

In the mould of the vibration press, a plurality of limiting blocks are arranged on the outer side of the upper barrier strip, the inner side surface of the upper barrier strip is abutted against the convex block, and the outer side surface of the upper barrier strip is abutted against the limiting blocks.

In the vibration press mold, an air suction cavity is formed in the position, located in the pressing area, of the top of the lower mold, a sealing cover is arranged on the upper cover of the air suction cavity, the suction holes are uniformly formed in the sealing cover, an air suction hole communicated to the air suction cavity is further formed in the lower mold, and the air suction hole is communicated with an external vacuum pumping system.

In the vibration press mold, a plurality of air suction holes are uniformly formed in the left side surface and the right side surface of the lower mold, and all the air suction holes in the same side are arranged along a straight line; and the left side surface and the right side surface of the lower die are respectively provided with an exhaust pipe, all the air suction holes on the same side are communicated with the corresponding exhaust pipes, and the exhaust pipes are used for being connected with an external vacuum pumping system.

In the mould of the vibration press, the upper mould is connected with the guide post in a sliding way through the guide sleeve; the guide sleeve comprises an outer sleeve body which is arranged in the upper die in a penetrating way and is fixedly connected with the upper die, and an inner sleeve body which is inserted in the outer sleeve body; the inner sleeve body is in clearance fit with the outer sleeve body, and the end part of the inner sleeve body is fixedly connected with the end part of the outer sleeve body; the inner sleeve body is connected with the guide post in a sliding way.

Has the advantages that:

the utility model provides a vibration press mould sets up a plurality of vibrating motors at the cope match-plate pattern top, these vibrating motor average level set up, arrange these vibrating motors through specific mode of arranging, and when making them rotate with corresponding direction of rotation constant speed, can guarantee that the component of the vibration force that these vibrating motors produced offsets each other in the horizontal direction, and the component in vertical side syntropy all the time, thereby make total vibration force all the time in vertical direction, avoid producing the vibration of horizontal direction and influence the compaction degree of blank.

Drawings

Fig. 1 is the structural schematic diagram of the vibration press mold provided by the utility model, in which a vibration motor is not drawn.

Fig. 2 is a front view of the upper die and the lower die in the die of the vibrating press provided by the utility model.

Fig. 3 is a left side view of the upper die and the lower die in the die of the vibration press provided by the utility model.

Fig. 4 is the structure diagram of the upper die after turning in the die of the vibration press provided by the utility model.

Fig. 5 is the structural schematic diagram of the lower die in the die of the vibration press provided by the utility model.

Fig. 6 is a cross-sectional view of the lower die in the die of the vibration press provided by the utility model.

Fig. 7 is the structural schematic diagram of the guide sleeve in the die of the vibration press provided by the utility model.

Fig. 8 is a side view of a vibratory press using the vibratory press mold provided by the present invention.

Fig. 9 is a motor layout diagram of the vibrating press die provided by the present invention, when having 2 vibrating motors.

Fig. 10 is a motor layout diagram of the vibrating press die provided by the present invention, in which 4 vibrating motors are provided.

Fig. 11 is a motor layout diagram of the vibrating press die provided by the present invention when 6 vibrating motors are provided.

Fig. 12 is a motor layout diagram of the vibrating press die provided by the present invention when 3 vibrating motors are provided.

Detailed Description

The utility model provides a vibration press mould, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Herein, front refers to the direction of blank transport, i.e. left in fig. 8, rear is opposite to front; the left and right are perpendicular to the front and rear in the horizontal direction, i.e., the direction perpendicular to the paper in fig. 8.

Referring to fig. 1-12, the utility model provides a mold for a vibration press, which comprises a lower mold 1, an upper mold 2 and a guide post 3, wherein the upper mold is slidably sleeved in the guide post and driven by a pressure cylinder 90 of the vibration press to move up and down, the middle part of the lower mold 1 is a pressing area a, the pressing area is provided with a plurality of suction holes 4, and the suction holes are communicated with an external vacuum pumping system; the top of the upper die 2 is provided with at least two same vibration motors 5, and the components of the vibration force generated by the vibration motors in the horizontal direction are mutually offset and are always in the same direction in the vertical direction.

The vibration motor is the prior art, mainly relies on the centrifugal force of the eccentric wheel of inside when rotating to produce the vibration, can directly purchase from the market directly and get, like the sheger TZD vibrating motor. Vibrating motor 5's quantity can set up according to actual need, and when adopting vibrating motor 5 of different quantity, the accessible is specific to be arranged the mode to adopt the rotational speed that corresponds at the during operation, can realize that "the component of the initial vibration power of production offsets each other in the horizontal direction, and the effect of the component syntropy all the time in vertical side" can be realized:

when the number of the vibration motors 5 is even, the vibration motors are horizontally arranged (namely, the rotating shafts of the vibration motors are horizontal, and compared with the situation that the rotating shafts are not horizontal, the arrangement mode of the vibration motors is simpler), the vibration motors are averagely divided into two groups, the two groups of vibration motors are in one-to-one correspondence, all the vibration motors in one group are mutually parallel (namely, the rotating shafts are mutually parallel) and symmetrically arranged with the corresponding vibration motors in the other group, and the two corresponding vibration motors can reversely rotate at a constant speed.

As shown in fig. 8 and 9, in the case of having 2 vibration motors, for the sake of convenience of illustration, the arrows indicating the rotation directions in fig. 9 are drawn on the horizontal plane, but these arrows are actually on the vertical plane perpendicular to the paper plane (the same applies to fig. 10, 11 and 12), and at this time, the two vibration motors are parallel and symmetrical to each other (the eccentrics in the vibration motors are also symmetrical), and during operation, they rotate in opposite directions at the same rotation speed, for example, one rotates clockwise and the other rotates counterclockwise, and at this time, the component forces of the excitation forces of the two vibration motors in the horizontal direction are always equal and opposite, and the component forces in the vertical direction are always the same. In fact, two vibrating motors are parallel to each other and asymmetric can also ensure that the forces in the horizontal direction offset each other, but can produce a rotation moment, and the rotation moment is harmful to the corresponding facility, and vibrating motors are parallel to each other and symmetric can avoid the problem.

As shown in fig. 10, in the case of having 4 vibration motors 5, 2 vibration motors are used as a group, as shown in the figure, the left and lower vibration motors are a first group, and the right and upper vibration motors are a second group, the left vibration motor corresponds to the right vibration motor, and the upper vibration motor corresponds to the lower vibration motor; during operation, the two corresponding vibration motors operate in the same manner as in the example of fig. 9, so that the horizontal component forces of the corresponding vibration motors can cancel each other; and the vertical component forces of all the vibrating motors can be ensured to be in the same direction only by ensuring that the initial positions of the eccentric wheels in all the vibrating motors are correct (such as all the eccentric wheels are positioned at the lowest point) during installation, so that mutual offset is avoided.

As shown in fig. 11, in the case of having 6 vibration motors 5, 3 vibration motors are set in one group, such as a first group of 3 left, lower, and middle left sides, and a second group of 3 right, upper, and middle right sides, the left vibration motor corresponds to the right vibration motor, the upper vibration motor corresponds to the lower vibration motor, and the middle left vibration motor corresponds to the middle right vibration motor; during operation, the two corresponding vibration motors operate in the same manner as in the example of fig. 9, so that the horizontal component forces of the corresponding vibration motors can cancel each other; and the vertical component forces of all the vibrating motors can be ensured to be in the same direction only by ensuring that the initial positions of the eccentric wheels in all the vibrating motors are correct (such as all the eccentric wheels are positioned at the lowest point) during installation, so that mutual offset is avoided.

Similarly, when there are more even numbers of the vibration motors 5, the arrangement may be made according to the above-described arrangement principle.

When vibrating motor 5 is provided with odd number, these vibrating motor levels set up (vibrating motor's pivot level promptly, contrast pivot condition not horizontal, and vibrating motor's arrangement mode is simpler), and these vibrating motor evenly arrange along a circumference, and vibrating motor's pivot sets up along the tangential of this circumference, and all vibrating motor can synchronous rotation. Synchronous rotation means that the rotating speeds of all the vibrating motors are the same, and the moment when the vibration force reaches the radial inward direction of the circumference is always the same, namely, the mass center position of the eccentric wheels of the vibrating motors always reaches the radial inward position of the circumference at the same time.

As shown in fig. 12, in the case of having 3 vibration motors 5, these vibration motors are uniformly arranged along a circumference 5.1, and the rotating shafts of the vibration motors are arranged along the tangential direction of the circumference 5.1, when in use, the rotating speeds of the vibration motors are the same, and the barycenter positions of the eccentric wheels of the vibration motors always reach the radially inward position of the circumference at the same time (which can be realized by setting the initial positions of the eccentric wheels to be the same, such as all being at the lowest position), at this time, the horizontal component forces of the vibration motors all simultaneously face inward or outward along the radial direction of the circumference, and the magnitudes are always the same, so the total horizontal component force is zero.

Similarly, when there are more odd number of the vibration motors 5, the arrangement may be made according to the above-described arrangement principle.

The above is merely an illustration of the arrangement of the vibration motor 5, and other arrangements may be used to achieve the same effect, which is not listed here.

In a word, when the local oscillation press mold works, the raw material is conveyed to the pressing area a of the lower mold 1 by the filtering conveying belt 91, then the upper mold 2 presses down the raw material, and then the vibration motor is started and the external vacuum-pumping system sucks away the exhausted air and excessive moisture through the suction hole 4. Because arrange vibrating motor 5 through specific mode of arranging to when making them rotate with corresponding direction of rotation constant speed, can guarantee that the component of the vibration force that these vibrating motors produced offsets each other in the horizontal direction, and the component in vertical direction is syntropy all the time, thereby make total vibration force in vertical direction all the time, avoid producing the vibration of horizontal direction and influence the degree of compaction of blank.

Further, as shown in fig. 1-6, the top of the lower die 1 is provided with a lower barrier strip 6 on each of the left and right sides of the pressing area a; the bottom of the upper die 2 is provided with a convex block 2.1 which is opposite to the pressing area A, and the front side and the rear side of the convex block are respectively provided with an upper barrier strip 7; the pressing area a, the lower stop 6, the projection 2.1 and the upper stop 7 together enclose a closed chamber when the upper mould 2 is lowered. When the vacuum-pumping device works, the raw materials are in the outer chamber, and the outer vacuum-pumping system vacuumizes the outer chamber through the suction holes 4, so that higher negative pressure can be formed, and moisture and air in the raw materials can be more effectively sucked away.

Preferably, the lower barrier strip 6 can move left and right, and the top of the lower die 1 is provided with a first cylinder 8 for driving the lower barrier strip to move; the upper barrier strip 7 can move up and down, and the upper die 2 is provided with a second cylinder 9 for driving the upper barrier strip to move.

Since the width of the material laid on the filter transfer belt 91 varies even when tiles of the same size are produced, if the position of the lower barrier 6 is fixed, it may cause the material at the edge to be blocked by the lower barrier 6 and not enter the pressing area a, and the lower barrier 6 may be withdrawn first and then be extended to push the material to a predetermined position when the material enters the pressing area a. And for the ceramic tiles with different thicknesses, the heights of the upper die 2 during pressing are correspondingly different, so that the upper blocking strip 7 is arranged to move up and down, the bottom of the upper blocking strip 7 can be guaranteed to be pressed on the top of the lower die 1 all the time, and the sealing performance of the cavity is guaranteed.

Here, the top of the lower die 1 is provided with a mounting plate 1.1 on one side of each lower barrier strip 6, the mounting plate is parallel to the lower barrier strips, and the first cylinder 8 is fixed on the mounting plate 1.1. The number of the first cylinders 8 corresponding to each lower barrier 6 can be set according to actual needs, and is preferably two. The second air cylinders 9 are vertically downwards fixed at the top of the upper die 2, and the number of the second air cylinders 9 corresponding to each upper barrier strip 7 can be set according to actual needs, preferably two.

The lower barrier strip 6 may be provided with a position avoiding opening 6.1 at the inner side of the bottom thereof, as shown in fig. 2, when the lower barrier strip 6 extends inward, the interference with the edge of the filter conveyor belt 91 can be avoided through the position avoiding opening 6.1. The bottom of the upper barrier strip 7 can be provided with a sealing strip mounting groove 7.1 along the length direction, as shown in fig. 3, and an elastic sealing strip (not shown in the figure) is mounted in the sealing strip mounting groove, so that the sealing property between the upper barrier strip and the lower die 1 can be ensured through the elastic sealing strip.

Preferably, as shown in fig. 5 and 6, the lower barrier 6 is provided with a plurality of waist holes 6.2 extending in the left-right direction, each waist hole is provided with a guide pin 6.3 in a penetrating manner, and the guide pins are fixedly connected with the lower die 1 (welded, screwed, glued, etc.). Through the cooperation of guide pin and waist hole, can guarantee that the moving direction of lower blend stop is correct, also can avoid the piston rod of first cylinder 8 to receive tangential force and warp.

See fig. 4, a plurality of limiting blocks 10 are arranged on the outer side of the upper barrier strip 7, the inner side surface of the upper barrier strip abuts against the convex blocks 2.1, and the outer side surface abuts against the limiting blocks. Through the limiting action of the convex block and the limiting block, the upper barrier strip 7 can be ensured to move only along the vertical direction.

In this embodiment, as shown in fig. 5 and 6, an air suction cavity 1.2 is formed in the top of the lower die 1 at the position of the pressing area a, a sealing cover 11 is covered on the air suction cavity, the suction holes 4 are uniformly formed in the sealing cover 11, an air suction hole 1.3 communicated to the air suction cavity is further formed in the lower die 1, and the air suction hole is communicated with an external vacuum pumping system. The pressing area A of the structure is convenient and simple to manufacture, and the air suction cavity 1.2 can play a role in stabilizing pressure, so that the negative pressure of the cavity is stable and uniform everywhere.

Here, the bottom of the suction chamber 1.2 is provided with a plurality of bosses 1.2a, and the cover 11 is fixed to the bosses by screws, as shown in fig. 6.

Furthermore, a plurality of air suction holes 1.3 are uniformly formed in the left side surface and the right side surface of the lower die 1, and all the air suction holes on the same side are arranged along a straight line; the left side and the right side of the lower die are respectively provided with an exhaust pipe 12, all the air suction holes on the same side are communicated with the corresponding exhaust pipes, and the exhaust pipes are used for being connected with an external vacuum pumping system. The plurality of air suction holes are formed, so that negative pressure at each position in the air suction cavity 1.2 is uniform, the air suction holes on the same side are all connected to the same exhaust pipe 12, only one connecting pipe is needed to be connected with an external vacuum pumping system on one side, and the pipeline arrangement is simple and tidy.

Here, the suction pipe 12 may be provided as a pipe having a rectangular cross section and fixed to the side of the lower die 1 by screws.

Preferably, as shown in fig. 1, 7 and 8, the upper die 2 is slidably connected with the guide post 3 through a guide sleeve 13; the guide sleeve comprises an outer sleeve body 13.1 which is arranged in the upper die 2 in a penetrating way and fixedly connected with the upper die, and an inner sleeve body 13.2 which is inserted in the outer sleeve body; the inner sleeve body is in clearance fit with the outer sleeve body, and the end part of the inner sleeve body is fixedly connected with the end part of the outer sleeve body; the inner sleeve body 13.2 is connected with the guide post 3 in a sliding way.

Firstly, the guide sleeve 13 is matched with the guide post 3 to ensure the accurate movement direction of the upper die 2 and avoid the upper die 2 from shaking; secondly, because the inner sleeve body is in clearance fit with the outer sleeve body, only the end part is connected, the damping of transverse vibration can be improved, even if the transverse vibration exists, the vibration energy can be greatly consumed when the transverse vibration is transmitted to the guide post 3 after the vibration is reduced by the guide sleeve, thereby avoiding the damage of the guide post 3 and reducing the vibration of the whole vibration press frame.

Here, the inner sleeve 13.2 consists of an upper part 13.2a, a middle part 13.2b and a lower part 13.2c, which abut against each other (i.e. the three parts are separated), the upper part 13.2a being flanged to the upper end of the outer sleeve 13.1 and the lower part 13.2c being flanged to the lower end of the outer sleeve 13.1. By arranging the inner sleeve body 13.2 into a three-section structure, the damping can be further improved, and the vibration reduction effect of transverse vibration can be improved. The outer sleeve 13.1 is flanged to the upper die 2.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims (10)

1. A vibration press mould comprises a lower mould, an upper mould and a guide post, and is characterized in that the upper mould is sleeved in the guide post in a sliding manner and driven by a pressure cylinder of a vibration press to move up and down, the middle part of the lower mould is a pressing area, the pressing area is provided with a plurality of suction holes, and the suction holes are communicated with an external vacuum-pumping system; the top of going up the mould is provided with two at least the same vibrating motor, and the component of the vibration force that these vibrating motors produced offsets each other in the horizontal direction, and the component in the vertical direction syntropy all the time.

2. The oscillating press die of claim 1, wherein there are an even number of oscillating motors, the oscillating motors are horizontally arranged, the oscillating motors are divided into two groups, the two groups of oscillating motors are in one-to-one correspondence, all the oscillating motors of one group are arranged in parallel and symmetrically with the corresponding oscillating motors of the other group, and the two corresponding oscillating motors can rotate in opposite directions at a constant speed.

3. The oscillating press die of claim 1, wherein there are an odd number of oscillating motors, the oscillating motors are horizontally disposed, the oscillating motors are evenly arranged along a circumference, and the axes of rotation of the oscillating motors are arranged tangentially to the circumference, all of the oscillating motors being capable of rotating synchronously.

4. The oscillating press die of claim 1, wherein the lower die top has a lower bar on each of the left and right sides of the nip; the bottom of the upper die is provided with a convex block which is opposite to the pressing area, and the front side and the rear side of the convex block are respectively provided with an upper barrier strip; the pressing area, the lower barrier strip, the convex block and the upper barrier strip can jointly form a closed cavity when the upper die descends.

5. The oscillating press die of claim 4, wherein the lower bars are movable left and right, and a first cylinder for driving the lower bars to move is arranged at the top of the lower die; the upper blocking strip can move up and down, and a second air cylinder used for driving the upper blocking strip to move is arranged on the upper die.

6. The oscillating press die of claim 5, wherein the lower dam has a plurality of waist holes extending in the left-right direction, and each waist hole has a guide pin passing therethrough, the guide pin being fixedly connected to the lower die.

7. The oscillating press die of claim 5, wherein the upper barrier has a plurality of stops disposed on an outer side thereof, an inner side of the upper barrier abutting against the protrusions, and an outer side of the upper barrier abutting against the stops.

8. The mold for the vibration press according to claim 1, wherein the top of the lower mold is provided with an air suction cavity at the position of the pressing area, the air suction cavity is covered by a sealing cover, the air suction holes are uniformly formed in the sealing cover, the lower mold is further provided with an air suction hole communicated to the air suction cavity, and the air suction hole is communicated with an external vacuum system.

9. The mold according to claim 8, wherein a plurality of the air suction holes are uniformly formed on the left side surface and the right side surface of the lower mold, and all the air suction holes on the same side are arranged along a straight line; and the left side surface and the right side surface of the lower die are respectively provided with an exhaust pipe, all the air suction holes on the same side are communicated with the corresponding exhaust pipes, and the exhaust pipes are used for being connected with an external vacuum pumping system.

10. The oscillating press die set of claim 1, wherein the upper die is slidably connected to the guide posts by guide sleeves; the guide sleeve comprises an outer sleeve body which is arranged in the upper die in a penetrating way and is fixedly connected with the upper die, and an inner sleeve body which is inserted in the outer sleeve body; the inner sleeve body is in clearance fit with the outer sleeve body, and the end part of the inner sleeve body is fixedly connected with the end part of the outer sleeve body; the inner sleeve body is connected with the guide post in a sliding way.

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