CN211071651U

CN211071651U - Friction press

Info

Publication number: CN211071651U
Application number: CN201921805896.5U
Authority: CN
Inventors: 张以柱
Original assignee: Jinan Xinwei Forging Co ltd
Current assignee: Jinan Xinwei Forging Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-24
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to the technical field of metal forging equipment, in particular to a friction press which comprises a frame, wherein the frame comprises a driving mechanism and a workbench, the driving mechanism is connected at the upper end of the frame, the workbench is fixedly connected at the lower end of the frame, an upper die is fixedly connected below the driving mechanism, a lower die component is connected above the workbench, the upper die and the lower die component are vertically opposite, the lower die assembly comprises a placing plate, a fixed die and a pulling die, the fixed die is connected to the upper surface of the placing plate, a first processing cavity is formed in the fixed die and penetrates through the upper end face of the fixed die, a second processing cavity is formed in the pulling die and penetrates through the upper end face of the pulling die and the lower end face of the pulling die, the upper end face of the fixed die is in plug-in connection with the lower end face of the pulling die, and the first processing cavity is communicated with the second processing cavity and forms a lower die cavity together. The utility model discloses a function that the forging after the convenience will be processed was taken out from lower mould intracavity.

Description

Friction press

Technical Field

The utility model relates to a metal forging equipment technical field, in particular to friction press.

Background

The friction press is a pressure processing machine with strong universality, is widely applied to various industries of pressure processing at present, and is used for completing the work of die forging, upsetting, bending, correcting, coining and the like.

The friction press machine in the prior art comprises a frame, wherein the frame comprises a driving mechanism and a workbench, the driving mechanism is connected to the upper end of the frame, the workbench is fixedly connected to the lower end of the frame, a sliding block is connected to the lower portion of the driving mechanism, an upper die is fixedly connected to the lower side of the sliding block, a lower die is connected to the upper portion of the workbench, the upper die and the lower die are vertically opposite, and the driving mechanism can drive the upper die to lift along the vertical direction. When the high-temperature metal is forged and pressed, the upper die is driven by the driving mechanism to repeatedly forge the high-temperature metal placed in the lower die, so that the function of forging the high-temperature metal into the shape same as that of the lower die is realized. The lower die assembly in the prior art is a formed hollow entity, the middle part of the lower die assembly is a lower die cavity, a high-temperature workpiece is placed in the lower die cavity, and then the slide block drives the hammer head to be inserted into the lower die cavity to forge and press the high-temperature workpiece, so that the high-temperature workpiece is forged and pressed into a forge piece with the same shape as the lower die cavity.

The defects of the prior art are that the forging is positioned in the lower die cavity, and the distance between the upper end surface of the lower die cavity and the workbench is greater than the distance between the upper end surface of the forging and the workbench, so that the forging is not easy to take out of the lower die cavity, and the forging and pressing efficiency of the friction press is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a friction press finishes the back to the forging processing, makes the forging conveniently take out from the lower mould intracavity.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a friction press, friction press includes the frame, and the frame includes actuating mechanism and workstation, and actuating mechanism connects the upper end in the frame, and workstation fixed connection is at the lower extreme of frame, and actuating mechanism below fixedly connected with goes up the mould, and the workstation top is connected with lower mould subassembly, goes up mould and lower mould subassembly vertical relative, and actuating mechanism can drive and go up the mould and go up and down along vertical direction, lower mould subassembly is including placing board, fixed mould and pulling mould, and the fixed mould is connected and is being placed the board upper surface, has seted up first process chamber in the fixed mould, and first process chamber runs through the fixed mould up end, has seted up the second process chamber in the pulling mould, and the second process chamber runs through pulling mould up end and pulling mould lower terminal surface, and fixed mould up end and pulling mould lower terminal surface grafting cooperation, first process chamber and second process chamber intercommunication and form.

Through adopting above-mentioned technical scheme, when forging the high temperature work piece, will stimulate mould lower extreme face and fixed mould up end grafting cooperation, then place the work piece in lower die cavity, drive the vertical downstream of mould through actuating mechanism, insert the mould in lower die cavity, go up the mould and compress tightly the work piece in lower die cavity repeatedly, make the shape of high temperature work piece forged into with lower die cavity shape the same and form the forging, then will follow vertical direction pulling drawing mould, until pulling drawing mould and forging separation, drawing mould and fixed mould separation, consequently, make the forging conveniently take out from lower die cavity, realized conveniently taking out the function of forging after processing from lower die cavity.

The utility model discloses further set up to: fixedly connected with fixed disk on the periphery wall of fixed mould upper end, the slip hole has been seted up to the fixed disk upper surface, and the slip hole sets up a plurality ofly along fixed disk circumferencial direction, lower module includes the installed part, the installed part includes spacing bolt and supports tight piece, and spacing bolt passes tight piece and slip hole along vertical direction in proper order, spacing bolt lower extreme and place board threaded connection.

By adopting the technical scheme, when the forge piece is required to be forged into different shapes, the fixed die is required to be replaced, the fixed die is placed at the center of the placing plate, the limiting bolt sequentially penetrates through the abutting block and the sliding hole, then the limiting bolt is in threaded connection with the placing plate, the abutting block is abutted by the limiting bolt, the fixed disk is pressed and fixed under the abutting action of the abutting block, and therefore the fixed die is fixed at the center of the placing plate; when the fixed mould needs to be replaced, the limiting bolt is rotated, so that the limiting bolt is separated from the placing plate, the fixed mould can be taken out and replaced at the moment, and the function of conveniently replacing the fixed mould is realized.

The utility model discloses further set up to: the vertical side wall of one side of the abutting block is an arc-shaped surface.

Through adopting above-mentioned technical scheme, when terminal surface and fixed mould up end joint cooperation under will pulling the mould, rotate the arcwall face to with pulling mould lateral wall butt cooperation, then will support tight piece through spacing bolt and compress tightly to be fixed in the fixed disk top, support tight piece by fixed, arcwall face and pulling mould lateral wall butt simultaneously, consequently make the pulling mould difficult emergence relative slip in forging process.

The utility model discloses further set up to: fixedly connected with supports tight device on the fixed disk, supports tight device and can play the tight limiting displacement of support to the periphery wall of drawing the movable mould.

Through adopting above-mentioned technical scheme, further spacing to the drawing mould through supporting tight device for the drawing mould is difficult for taking place relative slip with spacing mould, has consequently realized making drawing mould and fixed mould peg graft more stable function.

The utility model discloses further set up to: support tight device and include fixing base and fixing bolt, fixing base along vertical direction fixed connection on the fixed disk upper surface, fixing bolt passes the fixing base along the horizontal direction and with pulling mould periphery wall butt.

Through adopting above-mentioned technical scheme, when needs will stimulate the mould and support tight spacing, rotate fixing bolt, make fixing bolt will stimulate the mould periphery wall and support tightly, consequently realized will stimulate the mould and further support tight spacing effect.

The utility model discloses further set up to: the end part of the fixing bolt close to the pulling die is an arc-shaped part, and the arc-shaped part is in inserting fit with the outer side wall of the pulling die.

Through adopting above-mentioned technical scheme, when needs support the pulling mould tight, rotate fixing bolt for fixing bolt removes to the direction that is close to the pulling mould for the fixed seat, and arc portion supports the pulling mould lateral wall tightly under fixing bolt's drive, because arc portion and pulling mould lateral wall grafting cooperation, consequently makes the difficult relative slip that takes place of pulling mould, has consequently realized further supporting tight spacing effect with the pulling mould.

The utility model discloses further set up to: the placing plate is fixed on the workbench through a first device, the first device comprises a first bolt and a first nut, the first plate is fixedly connected to the outer side wall of the placing plate, a first hole is formed in the upper surface of the first plate, a first sliding groove is formed in the upper surface of the workbench, the first bolt sequentially penetrates through the first nut and the first hole along the vertical direction, a first sliding block is fixedly connected to the lower end of the first bolt, and the first sliding block is in sliding fit with the first sliding groove.

By adopting the technical scheme, when the placing plate is required to be fixed on the upper surface of the workbench, the first nut is rotated along the first bolt, so that the first nut moves towards the direction close to the first hole until the first nut tightly supports the upper surface of the first plate, and therefore the placing plate is tightly supported on the upper surface of the workbench under the supporting and tightening effect of the first nut, and the function of enabling the placing plate and the workbench to be detachably and fixedly connected is realized.

The utility model discloses further set up to: the fixed slide rail that is provided with along vertical direction on the vertical inside wall of frame, actuating mechanism includes the slider, goes up the mould and connects in the slider below, slider and slide rail sliding connection, the guiding gutter has been seted up to the workstation upper surface, and the guiding gutter is relative and is located the slide rail below along vertical direction with the slide rail.

Through adopting above-mentioned technical scheme, in order to make the slider can follow the slide rail even traveling, and then make and go up the mould better to the forging effect of high temperature metal piece, consequently need add lubricated liquid between slider and slide rail, when lubricated liquid follows the slide rail along vertical direction landing, in the guiding gutter can fall to lubricated liquid, lubricated liquid gathering is in the guiding gutter, make lubricated liquid be difficult for causing the influence to the workstation, simultaneously when the lubricated liquid gathering in the guiding gutter is more, can collect the lubricated liquid in the guiding gutter, the realization utilizes the collection of lubricated liquid.

To sum up, the utility model discloses following technological effect has:

1. by adopting the lower die component structure comprising the fixed die and the pulling die, the function of conveniently taking out the processed forge piece from the lower die cavity is realized;

2. by adopting the structure of the abutting device, the function of enhancing the connection stability between the pulling die and the fixed die is realized;

3. through adopting to support tight piece and pulling mould lateral wall butt complex structure, realized making the pulling mould supported tight spacing function.

Drawings

FIG. 1 is a three-dimensional perspective view of the present embodiment;

FIG. 2 is a three-dimensional perspective view illustrating the attachment of the lower die assembly to the table;

FIG. 3 is a three-dimensional perspective view showing the internal structure of the stent;

FIG. 4 is a three-dimensional schematic view of the assembly of the projecting fixed die and the pulling die.

In the figure, 1, a frame; 11. a drive mechanism; 111. a slider; 112. a slide rail; 12. a work table; 121. a first chute; 122. a diversion trench; 123. a catheter; 2. an upper die; 3. a lower die assembly; 31. placing the plate; 311. a first plate; 3111. a first hole; 312. a first device; 3121. a first bolt; 31211. a first slider; 3122. a first nut; 32. a fixed mold; 321. a clamping table; 322. fixing the disc; 3221. a slide hole; 323. a mounting member; 3231. a limit bolt; 3232. a propping block; 32321. an arc-shaped surface; 324. a first processing cavity; 33. pulling the mold; 331. a second processing cavity; 332. an arc-shaped slot; 34. a tightening device; 341. a fixed seat; 342. fixing the bolt; 343. an arc-shaped portion.

Detailed Description

As shown in fig. 1, the utility model provides a friction press, friction press includes frame 1, and frame 1 includes actuating mechanism 11 and workstation 12, and actuating mechanism 11 is connected in the upper end of frame 1, and workstation 12 fixed connection is at the lower extreme of frame 1, and actuating mechanism 11 below fixedly connected with goes up mould 2, and workstation 12 top is connected with lower mould subassembly 3, goes up mould 2 and lower mould subassembly 3 vertical relative, and actuating mechanism 11 can drive and go up mould 2 and go up and down along vertical direction. When the workpiece is forged and pressed, the workpiece is placed in the lower die assembly 3, then the driving mechanism 11 drives the upper die 2 to compress the workpiece in the lower die assembly 3 to form a forging and pressing operation, and then the upper die 2 repeatedly forges and presses the workpiece, so that the function of forging and pressing the workpiece is realized.

As shown in fig. 2, actuating mechanism 11 can refer to the utility model patent with the grant publication number of CN202293371U, actuating mechanism 11 includes slider 111, it connects in slider 111 below to go up mould 2, be provided with slide rail 112 along the vertical direction is fixed on the vertical inside wall of frame 1, slider 111 and slide rail 112 sliding connection, in order to make slider 111 can follow slide rail 112 even traveling, and then make and go up mould 2 better to the forging and pressing effect of high temperature metal block, consequently need add lubricated liquid between slider 111 and slide rail 112, when lubricated liquid along slide rail 112 along the landing of vertical direction, lubricated liquid flows through workstation 12 easily and then causes the pollution to workstation 12, consequently the utility model discloses guiding gutter 122 has been add. The guide groove 122 is opposite to the slide rail 112 in the vertical direction and located below the slide rail 112, two ends of the guide groove 122 are sealed, one end of the guide groove 122 is communicated with the liquid guide pipe 123, lubricating liquid falls into the guide groove 122 along the slide rail 112, when the lubricating liquid in the guide groove 122 is accumulated more, the liquid in the guide groove 122 can flow out along the guide pipe through the guide pipe, and therefore the function of preventing the lubricating liquid from flowing out along the workbench 12 and further polluting the workbench 12 is achieved.

As shown in fig. 2 and 3, the lower die assembly 3 includes a placing plate 31, a fixed die 32 and a pulling die 33, the placing plate 31 is connected above the working table 12, the fixed die 32 is connected above the placing plate 31, a first processing cavity 324 is formed in the fixed die 32, the first processing cavity 324 penetrates through the upper end surface of the fixed die 32, a second processing cavity 331 is formed in the pulling die 33, the second processing cavity 331 penetrates through the upper end surface of the pulling die 33 and the lower end surface of the pulling die 33, a clamping platform 321 is fixedly arranged on the upper end surface of the fixed die 32, the clamping platform 321 is a step-shaped circular platform, the lower end surface of the pulling die 33 is in inserted fit with the clamping platform 321, and the first processing cavity 324 is communicated with the second processing cavity 331 to form. When forging and pressing a workpiece, the lower end face of the pulling die 33 is in plug-in fit with the upper end face of the fixed die 32, then the workpiece is placed in the lower die cavity, the driving mechanism 11 drives the sliding block 111 to vertically move downwards, the upper die 2 is inserted into the lower die cavity, then the driving mechanism 11 drives the upper die 2 to repeatedly compress the workpiece in the lower die cavity, so that the shape of the workpiece is forged and pressed into a forged piece which is the same as the shape of the lower die cavity to form a forged piece, then the pulling die 33 is pulled in the vertical direction until the pulling die 33 is separated from the forged piece, and the pulling die 33 is separated from the fixed die 32, so that the forged piece is conveniently taken out from the lower die cavity, and the function of conveniently taking.

When the forging is forged to different shapes, the fixed die 32 needs to be replaced, so that the fixed die 32 is replaced conveniently, therefore, the utility model discloses set up to the structure that can dismantle fixed connection with the fixed die 32 and place the board 31. As shown in fig. 3, a fixed plate 322 is fixedly connected to the outer peripheral wall of the upper end of the fixed die 32, a plurality of sliding holes 3221 are formed in the upper surface of the table 12 on the upper surface of the fixed plate 322, the fixed plate 322 is fixed to the placing plate 31 through a mounting part 323, the mounting part 323 comprises a limiting bolt 3231 and a abutting block 3232, the limiting bolt 3231 sequentially penetrates through the abutting block 3232 and the sliding holes 3221 along the vertical direction, and the lower end of the limiting bolt 3231 is in threaded connection with the placing plate 31. When the fixed mold 32 is installed or replaced, the fixed mold 32 is placed at the center of the placing plate 31, the limiting bolt 3231 sequentially penetrates through the abutting block 3232 and the sliding hole 3221, then the limiting bolt 3231 is in threaded connection with the placing plate 31, the limiting bolt 3231 abuts against the abutting block 3232, so that the fixed disk 322 is pressed and fixed under the abutting action of the abutting block 3232, and therefore the fixed mold 32 is fixed at the center of the placing plate 31; when the fixed die 32 needs to be disassembled, the limiting bolt 3231 is rotated, so that the limiting bolt 3231 is separated from the placing plate 31, and the fixed die 32 can be taken out for replacement, thereby realizing the function of conveniently replacing the fixed die 32. The vertical side wall on one side of the abutting block 3232 is an arc-shaped surface 32321, when the lower end surface of the pulling die 33 is clamped and matched with the upper end surface of the fixed die 32, the abutting block arc-shaped surface 32321 is rotated to abut against the outer side wall of the pulling die 33, then the abutting block 3232 is pressed and fixed above the fixed disk 322 through the limiting bolt 3231, and the arc-shaped surface 32321 is in abutting fit with the outer side wall of the pulling die 33, so that the pulling die 33 is not easy to slide relatively in the forging process.

Go up mould 2 when forging and pressing the work piece, go up mould 2 and apply vertical direction pressure to the work piece, the pressure of vertical direction transmits to fixed mould 32 and drawing mould 33 through the work piece, for making fixed mould 32 and drawing mould 33 be difficult for the vibration that takes place under vertical pressure's the repetitive action, and then lead to fixed mould 32 and drawing mould 33 to take place to peg graft unstably, consequently the utility model discloses add and to tight device 34 and be used for making the drawing mould 33 difficult emergence relative slip, to tight device 34 can adopt the bolt to support modes such as tight mode or the cooperation of pegging graft, the utility model discloses an above-mentioned first mode. As shown in fig. 3, the fastening device 34 includes a fixing base 341 and a fixing bolt 342, the fixing base 341 is fixedly connected to the upper surface of the fixing plate 322 along the vertical direction, as shown in fig. 4, the fixing bolt 342 passes through the fixing base 341 along the horizontal direction to abut against the outer peripheral wall of the pulling mold 33, one end of the fixing bolt 342 close to the outer side of the pulling mold 33 is an arc-shaped portion 343, an arc-shaped slot 332 is formed in the outer peripheral wall of the pulling mold 33, and the arc-shaped slot 332 is matched with the arc-shaped portion 343. When the pulling die 33 needs to be abutted tightly, the fixing bolt 342 is rotated, so that the fixing bolt 342 moves towards the direction close to the pulling die 33 relative to the fixing seat 341, and the arc-shaped part 343 is driven by the fixing bolt 342 to abut against the outer side wall of the pulling die 33, so that the pulling die 33 is further abutted tightly for limiting; because arc portion 343 and arc groove 332 are pegged graft to cooperate, be carved with the friction line on the arc portion 343 simultaneously, the friction line has increased the frictional force between arc portion 343 and pulling mould 33, consequently makes pulling mould 33 be difficult for taking place relative slip in the forging process.

When slider 111 drives and goes up mould 2 and forge the forging that lies in the die cavity repeatedly, go up mould 2 and produce the vibrational force to lower module 3 and transmit to placing board 31 through fixed mould 32, make easily and place board 31 and cause the damage, consequently need change and place board 31, consequently the utility model discloses set up to the messenger and place board 31 and workstation 12 can dismantle fixed connection. As shown in fig. 2, the placing plate 31 is fixed on the workbench 12 through a first device 312, the first device 312 includes a first bolt 3121 and a first nut 3122, the first plate 311 is fixedly connected to an outer side wall of the placing plate 31, a first hole 3111 is formed on an upper surface of the first plate 311, a first sliding groove 121 is formed on an upper surface of the workbench 12, the first bolt 3121 sequentially passes through the first nut 3122 and the first hole 3111 along a vertical direction, a first slider 31211 is fixedly connected to a lower end of the first bolt 3121, and the first slider 31211 is in sliding fit with the first sliding groove 121. When the placing plate needs to be fixed on the upper surface of the workbench 12, the first nut 3122 is rotated along the first bolt 3121, so that the first nut 3122 moves towards the direction close to the first hole 3111 until the first nut 3122 tightly abuts against the upper surface of the first plate 311, and therefore the placing plate 31 is tightly abutted against the upper surface of the workbench 12 under the abutting action of the first nut 3122, and the function of detachably and fixedly connecting the placing plate 31 with the workbench 12 is realized.

The utility model discloses a theory of operation does:

when the high-temperature metal block is forged, the placing plate 31 is placed at the center of the workbench 12, the first nut 3122 is rotated along the first bolt 3121, so that the first nut 3122 moves towards the direction close to the first hole 3111 until the first nut 3122 tightly presses the upper surface of the first plate 311, and therefore the placing plate 31 is tightly pressed on the upper surface of the workbench 12 under the pressing action of the first nut 3122; then, the limiting bolt 3231 sequentially penetrates through the abutting block 3232 and the sliding hole 3221, and then the limiting bolt 3231 is in threaded connection with the placing plate 31, so that the fixed plate 322 is pressed and fixed by the abutting block 3232 under the abutting action of the limiting bolt 3231, and thus the fixed die 32 is fixed at the center of the placing plate 31; then, the pulling die 33 is in inserted fit with the fixed die 32, the abutting block 3232 is rotated to enable the arc-shaped surface 32321 to be in abutted fit with the outer side wall of the pulling die 33, and the fixing bolt 342 is rotated to enable the arc-shaped part 343 to be in inserted fit with the arc-shaped groove 332, so that the pulling die 33 is further limited under the abutting action of the abutting block 3232 and the fixing bolt 342, and the pulling die 33 is not easy to slide relatively in the forging process; after forging and pressing are finished, the drawing die 33 is drawn in the vertical direction, and the forged piece is far away from the drawing die 33, so that the function of conveniently taking out the machined forged piece from the lower die cavity is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a friction press, friction press includes frame (1), frame (1) includes actuating mechanism (11) and workstation (12), actuating mechanism (11) are connected in the upper end of frame (1), workstation (12) fixed connection is at the lower extreme of frame (1), actuating mechanism (11) below fixed connection has last mould (2), workstation (12) top is connected with lower mould subassembly (3), it is vertical relative with lower mould subassembly (3) to go up mould (2), actuating mechanism (11) can drive and go up mould (2) and go up and down along vertical direction, a serial communication port, lower mould subassembly (3) are including placing board (31), fixed mould (32) and pulling mould (33), fixed mould (32) are connected and are being placed board (31) upper surface, first processing chamber (324) have been seted up in fixed mould (32), first processing chamber (324) run through fixed mould (32) up end, a second processing cavity (331) is formed in the drawing die (33), the second processing cavity (331) penetrates through the upper end face of the drawing die (33) and the lower end face of the drawing die (33), the upper end face of the fixed die (32) is in plug-in fit with the lower end face of the drawing die (33), and the first processing cavity (324) is communicated with the second processing cavity (331) and forms a lower die cavity together.

2. The friction press according to claim 1, wherein a fixed plate (322) is fixedly connected to the outer peripheral wall of the upper end of the fixed die (32), a plurality of sliding holes (3221) are formed in the upper surface of the fixed plate (322), the sliding holes (3221) are formed in the circumferential direction of the fixed plate (322), the lower die assembly (3) comprises a mounting part (323), the mounting part (323) comprises a limiting bolt (3231) and a abutting block (3232), the limiting bolt (3231) sequentially penetrates through the abutting block (3232) and the sliding holes (3221) in the vertical direction, and the lower end of the limiting bolt (3231) is in threaded connection with the placing plate (31).

3. A friction press according to claim 2, characterized in that the vertical side wall of one side of the abutment block (3232) is an arc-shaped face (32321).

4. A friction press as claimed in claim 2, characterized in that said fixed plate (322) is fixedly connected with a holding device (34), said holding device (34) being capable of holding and limiting the outer peripheral wall of said drawing die (33).

5. A friction press according to claim 4, characterized in that said contrast means (34) comprise a fixed seat (341) and a fixed bolt (342), the fixed seat (341) being fixedly connected to the upper surface of the fixed plate (322) in the vertical direction, the fixed bolt (342) passing through the fixed seat (341) in the horizontal direction and abutting against the peripheral wall of the drawing die (33).

6. A friction press according to claim 5, characterized in that the end of the fixing bolt (342) close to the drawing die (33) is an arc-shaped portion (343), and the arc-shaped portion (343) is in plug-in engagement with the outer side wall of the drawing die (33).

7. The friction press according to claim 1, wherein the placing plate (31) is fixed on the working table (12) through a first device (312), the first device (312) comprises a first bolt (3121) and a first nut (3122), the first plate (311) is fixedly connected to the outer side wall of the placing plate (31), a first hole (3111) is formed in the upper surface of the first plate (311), a first sliding chute (121) is formed in the upper surface of the working table (12), the first bolt (3121) sequentially penetrates through the first nut (3122) and the first hole (3111) along the vertical direction, a first slider (31211) is fixedly connected to the lower end of the first bolt (3121), and the first slider (31211) is in sliding fit with the first sliding chute (121).

8. The friction press according to claim 1, wherein a slide rail (112) is fixedly arranged on a vertical inner side wall of the frame (1) along a vertical direction, the driving mechanism (11) comprises a slide block (111), the upper die (2) is connected below the slide block (111), the slide block (111) is slidably connected with the slide rail (112), a guide groove (122) is formed in the upper surface of the workbench (12), and the guide groove (122) is opposite to the slide rail (112) along the vertical direction and is located below the slide rail (112).