CN210477915U - Friction plate die capable of preventing sliding cavity - Google Patents

Abstract

The utility model provides a friction plate die for preventing sliding cavity, which comprises a lower die, a middle die, an upper die, a cushion block and a plurality of pressing blocks, wherein the lower part of the middle die is arranged on the upper part of the lower die in a vertically linear moving way and can be upwards supported through a supporting spring group arranged on the lower die, and at least one cavity vertically communicated with the upper part and the lower part is arranged on the middle die; the at least one die cavity is linearly arranged along the front-back direction, and pressure spring anti-skidding cavity assemblies which can stretch out and press the left side and the right side of the pressing block under the action of pressure springs are arranged on the side wall of the lower part of each die cavity. The utility model discloses the die cavity lower part of friction plate mould is provided with pressure spring antiskid chamber subassembly, can increase the frictional force that the briquetting both sides received through pressure spring's pressure, can guarantee the static of briquetting in the die cavity more effectively, can prevent effectively that the not enough smooth chamber that causes of frictional force between briquetting and the die cavity, has solved smooth chamber difficult problem.

Description

Friction plate die capable of preventing sliding cavity

Technical Field

The utility model relates to a braking piece field specifically relates to a prevent friction disc mould in sliding chamber.

Background

The existing friction plate mould is composed of an upper mould, a middle mould, a lower mould, a cushion block and a plurality of pressing blocks, wherein the middle mould is provided with a cavity which is through up and down, the pressing blocks are arranged in the cavity during pressing, the pressing work of a plurality of layers of friction plates in the same cavity is realized by the friction force between the pressing blocks and the cavity wall of the cavity, the pressing is realized by applying pressure through the upper mould, after friction materials are formed under certain pressure, the friction materials are finally stacked and stacked in the cavity until the cavity is filled with the pressing blocks and the friction plates layer by layer, the rest of the pressing blocks in the cavity is realized by the balance of the friction force between the pressing blocks and the inner wall of the cavity, the gravity and the pressure of the pressing blocks at the bottom not only needs to bear the self gravity but also bear the pressure of the pressing blocks at the top, so that the pressing blocks at the bottom often fall, the sliding cavity is formed, once the sliding cavity can not only cause the scrapping of the whole cavity friction plate, but also cause the great waste of human resources and material resources, and therefore the friction plate mold capable of preventing the sliding cavity is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect and not enough of prior art, the utility model provides a prevent friction disc mould in sliding chamber for solve the briquetting and easily slide the problem in chamber in the die cavity.

The utility model provides a friction plate mould for preventing sliding cavity, which comprises a lower mould, a middle mould, an upper mould, a cushion block and a plurality of pressing blocks, wherein the lower part of the middle mould can be vertically and linearly arranged on the upper part of the lower mould and can be upwards supported through a pressure spring group arranged on the lower mould; the at least one die cavity is linearly arranged along the front-back direction, and pressure spring anti-skidding cavity assemblies which can stretch out and press the left side and the right side of the pressing block under the action of pressure springs are arranged on the side wall of the lower part of each die cavity.

Preferably, the pressure spring anti-skid cavity assembly comprises at least two tightening units which are respectively arranged on the left side and the right side of the cavity, and each tightening unit comprises a tightening body, a spring and a stopper; be provided with respectively on the left and right sides wall body of well mould and install the recess of spring, the bottom of recess is provided with and runs through the wall body extremely the mounting hole of die cavity, the tight end in top of the tight body of top passes the mounting hole stretches into extremely in the die cavity, and can follow left right direction rectilinear movement, be provided with the guide on the tight end in top the inclined plane of briquetting downstream, the dog is installed in the opening of recess, the spring mounting in the recess and one end support by in the dog, the other end compresses tightly to lean on the tip of the tight body in top.

Furthermore, a limiting block is further arranged at one end of the jacking body, which deviates from the jacking end.

Furthermore, the end face of the tight-pushing end is square, the upper plane of the tight-pushing end is parallel to the horizontal plane, and the included angle between the inclined plane and the upper plane is 45-70 degrees.

Furthermore, the number of the jacking units is two, and the jacking units are bilaterally symmetrical along the cavity.

Preferably, well mould with the lower mould is connected through lower mould connection structure in at least two sets of, well lower mould connection structure includes connecting plate, first connecting bolt, second connecting bolt, be provided with a connect the via hole and one along the waist hole that vertical direction extends on the connecting plate, first connecting bolt passes connect the via hole with well mould threaded connection, second connecting bolt passes the waist hole with lower mould threaded connection.

Preferably, the cavity is enclosed by a plurality of inner plates, and the inner plates are detachably mounted on the middle die.

Furthermore, a cavity mounting hole which is through up and down is formed in the middle die, and the inner plates are mounted in the cavity mounting hole and are mounted in the cavity mounting hole through wedge-shaped bodies in a wedging mode.

Preferably, a moving handle is arranged on the cushion block.

Preferably, a heater is arranged on the middle die, and a heat insulation plate is arranged outside the middle die.

The utility model has the advantages of it is following, the utility model discloses the die cavity lower part of friction plate mould is provided with pressure spring antiskid chamber subassembly, can increase the frictional force that the briquetting both sides received through pressure spring's pressure, can guarantee the static of briquetting in the die cavity more effectively, can prevent effectively that the not enough smooth chamber that causes of frictional force between briquetting and the die cavity, has solved smooth chamber difficult problem. Additionally because the utility model discloses in compress tightly in the briquetting both sides through the compression spring effect to the gap is less between the upper and lower briquetting, so at the mould unloading in-process, the top briquetting can be along with the automatic below briquetting position that gets into that moves down of below briquetting and by compression spring antiskid chamber subassembly top tight, the utility model discloses prevent the friction disc mould in smooth chamber, easy operation dismantles the convenience, and the cost is lower.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a front view of an embodiment of the present invention during pressure relief;

fig. 2 is a left side view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is an enlarged view of portion I of FIG. 1;

FIG. 5 is a structural diagram of the tightening body according to the embodiment of the present invention;

fig. 6 is a schematic position diagram of the components in the pressurized state according to the embodiment of the present invention.

Reference numerals

10 upper die

101 male die

20 middle mould

201 inner plate

202 insulating board

203 die cavity

204 wedge

205 mounting hole

206 groove

30 lower die

301 supporting spring group

401 first briquetting

402 second briquetting

50 cushion block

60 friction plate

70 connecting plate

701 connecting through hole

702 kidney hole

80 pressure spring antiskid chamber subassembly

801 jacking body

802 pressure spring

803 stop head

8011 pressing end

8012 limiting block

8013 inclined plane

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a friction plate die for preventing sliding cavity, which comprises a lower die 30, a middle die 20, an upper die 10, a cushion block 50 and a plurality of pressing blocks;

the lower die 30 is provided with a supporting spring set 301, and the supporting spring set 301 is arranged on the lower die 30 and can be compressed along the vertical direction;

the lower part of the middle die 20 is arranged on the upper part of the lower die 30 and can move up and down linearly, and can be lifted upwards by the supporting spring set 301, and two cavities 203 which are vertically communicated up and down are arranged on the middle die 20 and correspond to the upper part of the cushion block 50; the two cavities 203 are linearly arranged along the front-back direction, and the side wall of the lower part of each cavity 203 is provided with a pressure spring anti-skid cavity component 80 which can extend out and press the left side and the right side of the pressing block under the action of a pressure spring 802;

the cushion block 50 is arranged on the lower die 30 right below the cavity 203 and can linearly move along the front-back direction, and the upper profile of the cushion block 50 is the same as the upper surface profile of the friction plate 60 to be pressed;

the upper part of the pressing block is provided with a first molding surface capable of molding the lower surface of the friction plate 60, the lower part of the pressing block is provided with a second molding surface capable of molding the upper surface of the friction plate 60, and a plurality of pressing blocks can be clamped between the left cavity wall and the right cavity wall of the cavity 203 and can vertically move up and down;

the upper die 10 is arranged right above the cavities 203, the lower part of the upper die 10 is provided with the punches 101 corresponding to the number and the positions of the cavities 203, and the punches 101 can be inserted into the corresponding cavities 203.

The utility model fixes the upper die 10 on the upper workbench of the press when in use, fixes the lower die 30 on the lower workbench of the press, when the friction plate 60 is needed to be pressed, firstly moves the cushion block 50 below the cavity 203, then puts the first pressing block 401 in the cavity 203, the left and right side walls of the first pressing block 401 are clamped between the left and right side walls of the cavity 203 and keep still under the action of friction force, then puts the first friction material on the first pressing block 401, presses the second pressing block 402 on the first friction material, the press drives the upper die 10 to move downwards and enables the male die 101 to be inserted into the corresponding cavity 203, and the two pressing blocks slide downwards together, under the action of the friction force of the two pressing blocks, the middle die 20 overcomes the pressure of the supporting spring group 301 to move downwards, until the lower part of the first pressing block 401 is abutted against the cushion block 50, the pressure spring anti-sliding cavity component 80 is adjusted to stretch out from the left and right sides and tightly against the left and right sides, the first friction plate 60 is pressed and formed under the action of the pressure of the punch 101, then the upper die 10 moves upwards, the middle die 20 drives the pressing block to reset under the action of the supporting spring set 301, the left side wall and the right side wall of the first pressing block 401 are tightly pressed and remained at the bottom of the cavity 203 by the pressure spring anti-slip cavity assembly 80, then the second friction material is put above the second pressing block 402, a third pressing block is put on the second friction material, the punch 101 presses downwards, the middle die 20 moves downwards again to the first pressing block 401 to press the cushion block 50 under the action of the friction force, the second friction plate is pressed and formed under the action of the pressure, the cycle is carried out until the cavity 203 is filled with the pressing block, at the moment, the die is unloaded, the cushion block 50 is removed firstly, the upper punch 101 moves downwards, the second pressing block 402 is pushed into the position of the original first pressing block 401 while pushing the first pressing block 60 and the first pressing block out of the cavity 203, and the first pressing block and the second pressing block are respectively tightly attached to, therefore, with the unloading of the first pressing block and the friction plate 60 thereon, the second pressing block directly enters the first pressing block position below and is tightly pushed by the pressure spring anti-slip cavity assembly 80, after the first pressing block and the first friction material are taken away, the cushion block 50 is moved back to the position below the cavity 203, the friction material is put on the uppermost pressing block in the cavity 203, the pressing blocks are placed on the friction material, and the pressing is performed circularly.

The utility model discloses the die cavity 203 lower part of friction plate mould is provided with pressure spring antiskid chamber subassembly 80, can increase the frictional force that the briquetting both sides received through pressure spring 802's pressure, can guarantee the static of briquetting in die cavity 203 more effectively, can prevent effectively that the not enough smooth chamber that leads to the fact of frictional force between briquetting and the die cavity 203, has solved smooth chamber difficult problem. Additionally because the utility model discloses in compress tightly in the briquetting both sides through compression spring 802 effect to because friction disc 60 and the upper and lower briquetting between closely laminating the gap less, so at the mould unloading in-process, the top briquetting can be along with moving down of below briquetting automatically get into below briquetting position and by compression spring antiskid chamber subassembly 80 top tight, the utility model discloses prevent the friction disc mould in sliding chamber, easy operation dismantles the convenience, and the cost is lower.

The pressure spring anti-slip cavity assembly 80 of the utility model can adopt a structure that the pressure spring 802 realizes elastic compression on two sides of the pressing block, preferably, the pressure spring anti-slip cavity assembly 80 in the embodiment comprises two tightening units which are respectively arranged on the left side and the right side of the cavity 203, and each tightening unit comprises a tightening body 801, a pressure spring 802 and a stopper 803; the left side wall body and the right side wall body of the middle mold 20 are respectively provided with a groove 206 capable of mounting a spring, the bottom of the groove 206 is provided with a mounting hole 205 penetrating the wall body to the cavity 203, a jacking end 8011 of the jacking body 801 penetrates through the mounting hole 205 to extend into the cavity 203 and can linearly move along the left and right direction, the jacking end 8011 is provided with an inclined plane 8013 guiding the pressing block to move downwards, the stopper 803 is mounted in an opening of the groove 206 through threaded connection, the spring is mounted in the groove 206, one end of the spring abuts against the stopper 803, and the other end of the spring is pressed against the end of the jacking body 801. The inclined surface 8013 can guide the pressing block to slide down to the position between the surfaces of the two abutting ends 8011 along the inclined surfaces 8013 of the two abutting ends 8011, so as to prevent the blocking phenomenon caused by a large gap between the upper pressing block and the lower pressing block, and can decompose the force exerted on the inclined surface 8013 of the pressing block into component force for compressing the compression spring, so that the pressing block can smoothly enter between the end surfaces of the two abutting bodies 801.

The utility model discloses can not set up stopper 8012 on the tight body 801 of top, nevertheless pop out to die cavity 203 in from mounting hole 205 in order to prevent the tight body 801 of top, the one end that deviates from the tight end 8011 of top on the tight body 801 of top still is provided with stopper 8012 in this embodiment.

The cross-sectional shape of the middle pressing end 8011 of the present invention may not be limited, as long as the inclined plane 8013 capable of downward tilting is disposed thereon to guide the pressing block to enter, but for better guiding function, the end surface of the pressing end 8011 is square in this embodiment, the upper plane of the pressing end 8011 is parallel to the horizontal plane, and the included angle a between the inclined plane 8013 and the upper plane is 45-70 °.

The utility model discloses the number and the position of the tight unit in well top can not be injectd as long as can follow die cavity 203 both sides tightly with the briquetting top can, but the tight unit in top is two in this embodiment of preferred, and two tight units in top are along die cavity 203 bilateral symmetry, and the tight body 801 in top of two tight units in top is on same straight line.

The utility model discloses well mould 20 and lower mould 30 are connected through at least two sets of well lower mould 30 connection structure, the utility model provides a well lower mould 30 connection structure can be for the guide pin bushing guide pillar etc. commonly used among the prior art can realize the structure of direction connection, and well lower mould 30 connection structure includes connecting plate 70, first connecting bolt, second connecting bolt in this embodiment, is provided with a connect the via hole 701 on the connecting plate 70 and one along the waist hole 702 of vertical direction extension, and first connecting bolt passes connect the via hole 701 and well mould 20 threaded connection, and second connecting bolt passes waist hole 702 and lower mould 30 threaded connection.

The utility model provides a die cavity 203 can directly be seted up on well mould 20, and in order to facilitate the change, the middle-sized chamber 203 of this embodiment is enclosed by polylith inner panel 201, and polylith inner panel 201 detachable installs on well mould 20.

The utility model discloses well inner panel 201 can be realized through multiple means in the installation on well mould 20, like bolted connection or riveting etc, but well mould 20 is provided with die cavity 203 mounting hole 205 that link up from top to bottom in this embodiment, and polylith inner panel 201 is installed in die cavity 203 mounting hole 205 to install in die cavity 203 mounting hole 205 through wedge 204 wedging, this kind of wedging structure can prevent that die cavity 203 from warping, and be convenient for change.

In order to move the pad 50 during the pressing process, the pad 50 is provided with a moving handle in this embodiment.

The utility model discloses also can be used to coldly press, but the preferred, be provided with the heater on well mould 20 in this embodiment, well mould 20 outside is provided with heat insulating board 202. Thus, the hot-press molding can be directly carried out without additional baking.

To sum up, the utility model discloses prevent that friction disc mould in sliding chamber can increase the frictional force that the briquetting both sides received through compression spring's pressure, can guarantee the static of briquetting in the die cavity more effectively, can prevent effectively that the sliding chamber that frictional force is not enough to cause between briquetting and the die cavity, has solved the difficult problem in sliding chamber.

The above-described embodiments are merely illustrative of the principles of the present invention and its efficacy, rather than limiting the same, and various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the invention, such modifications and variations all falling within the scope of the appended claims.

Claims (10)

1. A friction plate die capable of preventing a sliding cavity comprises a lower die, a middle die, an upper die, a cushion block and a plurality of pressing blocks, wherein the lower part of the middle die is vertically and linearly arranged on the upper part of the lower die and can be upwards supported through a supporting spring group arranged on the lower die; the at least one die cavity is linearly arranged along the front-back direction, and pressure spring anti-skidding cavity assemblies which can stretch out and press the left side and the right side of the pressing block under the action of pressure springs are arranged on the side wall of the lower part of each die cavity.

2. The sliding cavity preventing friction plate mold according to claim 1, wherein the pressure spring sliding cavity preventing assembly comprises at least two tightening units respectively arranged at the left side and the right side of the cavity, and the tightening units comprise tightening bodies, pressure springs and stoppers; be provided with respectively on the left and right sides wall body of well mould and install the recess of spring, the bottom of recess is provided with and runs through the wall body extremely the mounting hole of die cavity, the tight end in top of the tight body of top passes the mounting hole stretches into extremely in the die cavity, and can follow left right direction rectilinear movement, be provided with the guide on the tight end in top the inclined plane of briquetting downstream, the dog is installed in the opening of recess, the spring mounting in the recess and one end support by in the dog, the other end compresses tightly to lean on the tip of the tight body in top.

3. The friction plate die for preventing the sliding cavity according to claim 2, wherein a limiting block is further arranged at one end of the tightening body, which is far away from the tightening end.

4. The sliding cavity prevention friction plate die as claimed in claim 3, wherein the end face of the puller end is square, the upper plane of the puller end is parallel to the horizontal plane, and the included angle between the inclined plane and the upper plane is 45-70 °.

5. The sliding cavity prevention friction plate mold as recited in claim 2, wherein the number of the tightening units is two, and the tightening units are symmetrical left and right along the cavity.

6. The sliding cavity prevention friction plate die as claimed in claim 1, wherein the middle die and the lower die are connected by at least two sets of middle and lower die connecting structures, each middle and lower die connecting structure comprises a connecting plate, a first connecting bolt and a second connecting bolt, a connecting through hole and a waist hole extending in a vertical direction are formed in the connecting plate, the first connecting bolt penetrates through the connecting through hole to be in threaded connection with the middle die, and the second connecting bolt penetrates through the waist hole to be in threaded connection with the lower die.

7. The sliding cavity prevention friction plate mold of claim 1, wherein the cavity is defined by a plurality of inner plates, and the inner plates are detachably mounted on the middle mold.

8. The sliding cavity prevention friction plate mold as recited in claim 7, wherein the middle mold is provided with a cavity mounting hole penetrating up and down, and the inner plates are mounted in the cavity mounting hole and are wedged and mounted in the cavity mounting hole through a wedge.

9. The slip cavity prevention friction plate mold of claim 1 wherein a shift knob is provided on said spacer.

10. The sliding cavity prevention friction plate mold according to claim 1, wherein a heater is provided on the middle mold, and a heat insulation plate is provided outside the middle mold.

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