CN211517031U

CN211517031U - Thimble grinding die

Info

Publication number: CN211517031U
Application number: CN201921895246.4U
Authority: CN
Inventors: 魏立炯
Original assignee: Shanghai Yusheng Needle Co ltd
Current assignee: Shanghai Yusheng Needle Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-09-18
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a thimble grinding jig relates to mould technical field. This thimble grinding die, the on-line screen storage device comprises a base, the last fixed surface of base installs a plurality of slide cartridge, the equal activity of one end that the base was kept away from to the slide cartridge is pegged graft and is had the slide bar, the slide bar is kept away from the one end fixed mounting of slide cartridge has the backup pad, spring A has been cup jointed to the periphery of slide bar, spring A's both ends respectively with backup pad and slide cartridge fixed connection, the one end fixed mounting that the slide bar was kept away from to the backup pad has a plurality of support column, the one end fixed mounting that the backup pad was kept away from to the support column has the support, the. This thimble grinds mould through setting up rotating electrical machines A, band pulley A and polishing post etc. has reached the rotation through rotating electrical machines and then the thimble carries out the effect of polishing, has solved present current thimble and has ground that the manual work is handheld the thimble on the grindstone, and grinding efficiency is low, grinds the not good problem of effect.

Description

Thimble grinding die

Technical Field

The utility model relates to the technical field of mold, specifically be a thimble grinds mould.

Background

The thimble is a plastic mould accessory and is used in a plastic mould. The ejector pins can be also called push rods, insert pins, middle pins, support pins and the like, sometimes, the center for a lathe is also called an ejector pin, the ejector pins of the die are relatively long parts, the number is large in the die manufacturing process, the outer diameter error of the ejector pins is large, great difficulty is brought to die assembly of bench workers and mass production of the die, the outer walls of the ejector pins need to be ground, however, the existing ejector pin grinding is that the ejector pins are manually held to grind on grinding stones, the grinding efficiency is low, and the grinding effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a thimble grinding jig has solved present thimble and has ground all to be artifical handheld thimble on the grindstone, and grinding efficiency is low, grinds the not good problem of effect.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a thimble grinding die comprises a base, wherein a plurality of sliding barrels are fixedly arranged on the upper surface of the base, sliding rods are movably inserted into one ends of the sliding barrels, which are far away from the base, supporting plates are fixedly arranged at one ends of the sliding rods, which are far away from the sliding barrels, springs A are sleeved on the circumferential surfaces of the sliding rods, two ends of each spring A are respectively fixedly connected with the supporting plates and the sliding barrels, a plurality of supporting columns are fixedly arranged at one ends of the supporting plates, which are far away from the sliding rods, a support is fixedly arranged at one ends of the supporting columns, which are far away from the supporting plates, frames are fixedly arranged at the upper surfaces of the left end and the right end of the base and at one ends, which are positioned outside the supports, a rotating motor A is arranged at the left end of each frame, a rotating support A is fixedly sleeved on the circumferential surface of the rotating motor, the left end of pivot A link up the support and is located the outside of frame, pivot A's right-hand member activity is pegged graft at the right-hand member of support, pivot A and the periphery that is located the one end of support top is fixed to be cup jointed and is polished the post, the periphery that is located the pivot A's of middle part left end is fixed to be cup jointed two band pulleys A, the periphery that is located the pivot A's of front end is fixed to be cup jointed two band pulleys B, the left end that is located the pivot A of rear end is fixed to be cup jointed band pulley C, band pulley D is connected with the band pulley B transmission that is located the right-hand member, the band pulley B that is located the left end is connected with the band pulley A transmission that is located the.

The grinding machine comprises a grinding column, thimbles are arranged at one end, positioned inside a left frame and a right frame, of the grinding column, the left end and the right end of the thimbles are respectively provided with a sliding column, the thimbles are slidably connected with the sliding columns, clamping screws are movably inserted at the front end and the rear end of the circumferential surface of the sliding columns, the clamping screws are fixedly clamped with the thimbles positioned inside the sliding columns, sleeves are movably sleeved on the circumferential surface of the sliding columns, the mutually-away ends of the sleeves at the left end and the right end are movably inserted inside the frames, telescopic rods are arranged inside the sleeves, the two ends of the telescopic rods are respectively and fixedly connected with the right inner walls of the sliding columns and the sleeves, springs B are sleeved on the circumferential surface of the telescopic rods, the two ends of the springs B are respectively and fixedly connected with the right inner walls of the sliding columns and the sleeves, rotating shafts B are fixedly arranged on the right end surfaces of, the periphery of rotating electrical machines B is fixed to be cup jointed with rotating support B, the left end face and the frame fixed connection of rotating support B, the fixed belt pulley D that has cup jointed of rotating electrical machines B's output, the belt pulley E has been cup jointed to the periphery of the pivot B that is located the front end, two belt pulleys F have been fixed to the periphery of the pivot B that is located the middle part, two belt pulleys G have been fixed to the periphery of the pivot B that is located the rear end, belt pulley E and the belt pulley F that is located the left end are connected in the transmission, the belt pulley F that is located the right-hand member is connected in the transmission with the belt pulley G that is located the right-hand member.

Preferably, the circumferential surfaces of the pulleys G and D are connected together through a transmission belt, and the axes of the pulleys G and D are collinear.

Preferably, the frames at the left and right ends have the same shape and size and are on the same plane, and the frames at the left and right ends are symmetrically distributed along the axis of the base.

Preferably, the shape and size of the sleeves are completely the same and on the same plane, and the sleeves at the left end and the right end are symmetrically distributed along the axis of the base.

Preferably, the shape and size of the support columns are identical and on the same plane, and the support columns are symmetrically distributed on the axis of the support.

Preferably, the slide bars are identical in shape and size and are located on the same plane, and the slide bars are symmetrically distributed along the axis of the support plate.

(III) advantageous effects

The utility model provides a thimble grinding jig. The method has the following beneficial effects:

1. this thimble grinds mould, through setting up rotating electrical machines A, rotating electrical machines B, band pulley A and the post of polishing etc, when the thimble needs to polish, put into the traveller with the both ends of thimble respectively inside, the traveller passes through telescopic link and spring B's cooperation work, and then can play tight effect to the thimble, it further carries out the chucking to the thimble to press from both sides tight screw rod through the rotation, at this moment, rotating electrical machines A and rotating electrical machines B are opened, and then drive band pulley A, band pulley B etc. rotate, and then drive pivot A and pivot B and rotate, and then drive and polish post and thimble and rotate, thereby make the post of polishing polish to the thimble, the effect of polishing through rotating electrical machines's rotation and then the thimble has been reached, it all grinds to be artifical handheld thimble on the grindstone to have solved present thimble grinding, low grinding efficiency, the not good problem of grinding effect.

2. This thimble grinding mold, through setting up the base, the traveller, the slide bar, spring A and backup pad etc, when the column of polishing along with the change of the diameter of thimble at the in-process of polishing to the thimble, elasticity through spring A drives the backup pad rebound, and then the slide bar also rebound thereupon, and then drive synchronous rebound such as rotating electrical machines A and support, and then make the column of polishing polish to the thimble all the time, reached through the flexible and then highly the effect of adjusting to the column of polishing of spring A.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the polishing column of the present invention;

FIG. 3 is a schematic view of the connection structure of the belt wheel of the present invention;

FIG. 4 is a schematic view of the connection structure of the telescopic rod and the sleeve of the present invention;

the grinding machine comprises a base 1, a support plate 2, a frame 3, a rotating support A4, a belt wheel D5, a belt wheel B6, a belt wheel A7, a belt wheel C8, a rotating shaft A9, a thimble 10, a grinding column 11, a clamping screw 12, a sleeve 13, a sliding column 14, a supporting column 15, a support 16, a belt wheel E17, a belt wheel F18, a belt wheel G19, a rotating shaft B20, a rotating motor B21, a rotating support B22, a sliding barrel 23, a sliding rod 24, a spring A25, a telescopic rod 26, a spring B27, a rotating motor A28 and a belt wheel H29.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides an ejector pin grinding mold, as shown in fig. 1-4, including base 1, the upper surface of base 1 is fixedly provided with a plurality of slide cylinders 23, slide rod 24 is movably inserted into the end of slide cylinder 23 far away from base 1, a support plate 2 is fixedly arranged at the end of slide rod 24 far away from slide cylinder 23, the shape and size of slide rod 24 are completely the same and on the same plane, slide rod 24 is symmetrically distributed with the axis of support plate 2, the synchronism of movement is guaranteed by the shape and position relation of slide rod 24, spring A25 is sleeved on the circumference of slide rod 24, the two ends of spring A25 are respectively fixedly connected with support plate 2 and slide cylinder 23, a plurality of support columns 15 are fixedly arranged at the end of support plate 2 far away from slide rod 24, support column 15 is fixedly arranged at the end of support plate 2 far away from support plate 16, the shape and size of support column 15 are, the supporting columns 15 are symmetrically distributed along the axis of the bracket 16, the shape and position relation of the supporting columns 15 ensure the stability of the bracket 16, the frames 3 are fixedly installed on the upper surfaces of the left end and the right end of the base 1 and on one end positioned outside the bracket 16, the shapes and sizes of the frames 3 at the left end and the right end are completely the same and on the same plane, the frames 3 at the left end and the right end are symmetrically distributed along the axis of the base 1, the shape and position relation of the frames 3 ensure the horizontality of the thimble 10, the left end of the frame 3 at the left end is provided with a rotating motor A28, the circumferential surface of the rotating motor A28 is fixedly sleeved with a rotating bracket 387A 2, the bottom surface of the rotating bracket A4 is fixedly connected with the supporting plate 2, the output end of the rotating motor A28 is fixedly sleeved with a belt wheel D5, a plurality of rotating shafts A9 are arranged above the bracket 16, the left end of the rotating shaft A9 penetrates, the grinding column 11 is fixedly sleeved on the circumferential surface of one end of the rotating shaft A9 above the support 16, two belt wheels A7 are fixedly sleeved on the circumferential surface of the left end of the rotating shaft A9 in the middle, two belt wheels B6 are fixedly sleeved on the circumferential surface of the left end of the rotating shaft A9 in the front end, a belt wheel C8 is fixedly sleeved on the left end of the rotating shaft A9 in the rear end, a belt wheel D5 is in transmission connection with a belt wheel B6 in the right end, a belt wheel D5 is connected with a belt wheel B6 in the right end through a conveyor belt, a belt wheel B6 in the left end is in transmission connection with a belt wheel A7 in the left end, a belt wheel B6 in the left end is connected with a belt wheel A7 in the left end through a conveyor belt, a belt wheel A7 in the right end is in transmission connection with a belt wheel C8, and a belt wheel A63.

A thimble 10 is arranged above the grinding column 11 and at one end positioned inside the left and right frames 3, a sliding column 14 is arranged at each of the left and right ends of the thimble 10, the thimble 10 is connected with the sliding column 14 in a sliding manner, clamping screws 12 are movably inserted at each of the front and rear ends of the circumferential surface of the sliding column 14, the clamping screws 12 are fixedly clamped with the thimble 10 positioned inside the sliding column 14, sleeves 13 are movably sleeved on the circumferential surface of the sliding column 14, the sleeves 13 are identical in shape and size and are positioned on the same plane, the sleeves 13 at the left and right ends are symmetrically distributed along the axis of the base 1, the clamping effect is ensured by the shape and position relation of the sleeves 13, the ends of the sleeves 13 at the left and right ends, which are far away from each other, are movably inserted inside the frames 3, a telescopic rod 26 is arranged inside the sleeves 13, the two ends of the telescopic rod 26 are respectively fixedly connected with the right inner walls of the sliding column 14 and, two ends of a spring B27 are respectively fixedly connected with the slide column 14 and the right inner wall of the sleeve 13, the right end face of the sleeve 13 is fixedly provided with a rotating shaft B20, the rotating shaft B20 penetrates through the frame 3 at the right end rightwards and is positioned outside the frame 3, the outside of the rear end of the right end frame 3 is provided with a rotating motor B21, the circumferential surface of the rotating motor B21 is fixedly sleeved with a rotating bracket B22, the left end face of the rotating bracket B22 is fixedly connected with the frame 3, the output end of the rotating motor B21 is fixedly sleeved with a belt wheel H29, the circumferential surface of the rotating shaft B20 at the front end is sleeved with a belt wheel E17, the circumferential surface of the rotating shaft B20 at the middle part is fixedly sleeved with two belt wheels F18, the circumferential surface of the rotating shaft B20 at the rear end is fixedly sleeved with two belt wheels G19, the belt wheel E17 is in transmission connection with the belt wheel F18 at the left end, the belt wheel F18 at the right end is in transmission connection, the circumferential surfaces of the pulley G19 and the pulley H29 are connected together by a transmission belt, and the axes of the pulley G19 and the pulley H29 are collinear.

In the working principle, when the thimble 10 needs to be polished, two ends of the thimble 10 are respectively inserted into the sliding column 14, the sliding column 14 works through the cooperation of the telescopic rod 26 and the spring B27, so as to clamp the thimble 10, when the thimble 10 is clamped by rotating the clamping screw 12, the rotary motor A28 and the rotary motor B21 are turned on, thereby driving the belt wheel A7, the belt wheel B6 and the like to rotate, further driving the rotating shaft A9 and the rotating shaft B20 to rotate, thereby driving the grinding column 11 and the thimble 10 to rotate, so that the grinding column 11 grinds the thimble 10, when the grinding column 11 is along with the diameter change of the thimble 10 during the process of grinding the thimble 10, the supporting plate 2 is driven to move upwards by the elastic force of the spring A25, the slide bar 24 moves upward to drive the rotary motor a28 and the bracket 16 to move upward synchronously, so that the grinding column 11 can grind the thimble 10 all the time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thimble grinding die utensil, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly provided with a plurality of sliding barrels (23), one ends of the sliding barrels (23) far away from the base (1) are movably inserted with sliding rods (24), one ends of the sliding rods (24) far away from the sliding barrels (23) are fixedly provided with supporting plates (2), the circumferential surfaces of the sliding rods (24) are sleeved with springs A (25), two ends of each spring A (25) are fixedly connected with the supporting plates (2) and the sliding barrels (23) respectively, one ends of the supporting plates (2) far away from the sliding rods (24) are fixedly provided with a plurality of supporting columns (15), one ends of the supporting columns (15) far away from the supporting plates (2) are fixedly provided with brackets (16), the upper surfaces of the left end and the right end of the base (1) and one ends of the supporting columns (16) outside are fixedly provided with frames (3), the left end of each frame (3) at the left end is provided with a rotating motor A (28), and the circumferential, the bottom surface of a rotating support A (4) is fixedly connected with a supporting plate (2), the output end of a rotating motor A (28) is fixedly sleeved with a belt wheel D (5), a plurality of rotating shafts A (9) are arranged above the support (16), the left end of each rotating shaft A (9) penetrates through the support (16) and is positioned outside a frame (3), the right end of each rotating shaft A (9) is movably inserted at the right end of the support (16), the circumferential surface of one end of each rotating shaft A (9) positioned above the support (16) is fixedly sleeved with a grinding column (11), the circumferential surface of the left end of the rotating shaft A (9) positioned in the middle is fixedly sleeved with two belt wheels A (7), the circumferential surface of the left end of the rotating shaft A (9) positioned in the front end is fixedly sleeved with two belt wheels B (6), the left end of the rotating shaft A (9) positioned in the rear end is fixedly sleeved with a belt wheel C (8), and the belt wheel D (5) is in, the belt wheel B (6) at the left end is in transmission connection with the belt wheel A (7) at the left end, and the belt wheel A (7) at the right end is in transmission connection with the belt wheel C (8);

a thimble (10) is arranged at one end above the grinding column (11) and positioned inside the left frame (3) and the right frame (3), sliding columns (14) are arranged at the left end and the right end of the thimble (10), the thimble (10) is connected with the sliding columns (14) in a sliding manner, clamping screws (12) are movably inserted at the front end and the rear end of the circumferential surface of each sliding column (14), the clamping screws (12) are fixedly clamped with the thimbles (10) positioned inside the sliding columns (14), sleeves (13) are movably sleeved on the circumferential surface of each sliding column (14), one ends of the sleeves (13) at the left end and the right end, which are far away from each other, are movably inserted inside the frames (3), an expansion link (26) is arranged inside the sleeves (13), two ends of the expansion link (26) are respectively fixedly connected with the right inner walls of the sliding columns (14) and the sleeves (13), a spring B (27) is sleeved on the circumferential surface of the expansion link (26), two ends of the spring B (27) are respectively fixedly connected with the, the right end face of the sleeve (13) is fixedly provided with a rotating shaft B (20), the rotating shaft B (20) penetrates through the frame (3) at the right end rightwards and is positioned outside the frame (3), the outside of the rear end of the right end frame (3) is provided with a rotating motor B (21), the circumferential face of the rotating motor B (21) is fixedly sleeved with a rotating support B (22), the left end face of the rotating support B (22) is fixedly connected with the frame (3), the output end of the rotating motor B (21) is fixedly sleeved with a belt pulley H (29), the circumferential face of the rotating shaft B (20) at the front end is sleeved with a belt pulley E (17), the circumferential face of the rotating shaft B (20) at the middle part is fixedly sleeved with two belt pulleys F (18), the circumferential face of the rotating shaft B (20) at the rear end is fixedly sleeved with two belt pulleys G (19), and the belt pulley E (17) is in transmission connection with the belt, the belt wheel F (18) positioned at the right end is in transmission connection with the belt wheel G (19) positioned at the right end, and the belt wheel G (19) positioned at the left end is in transmission connection with the belt wheel H (29).

2. The ejector pin grinding die of claim 1, wherein: the circumferential surfaces of the belt wheel G (19) and the belt wheel H (29) are connected together through a conveying belt, and the axes of the belt wheel G (19) and the belt wheel H (29) are collinear.

3. The ejector pin grinding die of claim 1, wherein: the frames (3) at the left end and the right end are completely the same in shape and size and are on the same plane, and the frames (3) at the left end and the right end are symmetrically distributed by the axis of the base (1).

4. The ejector pin grinding die of claim 1, wherein: the shape and the size of the sleeves (13) are completely the same and are on the same plane, and the sleeves (13) at the left end and the right end are symmetrically distributed along the axis of the base (1).

5. The ejector pin grinding die of claim 1, wherein: the shapes and the sizes of the supporting columns (15) are completely the same and are on the same plane, and the supporting columns (15) are symmetrically distributed with the axis of the bracket (16).

6. The ejector pin grinding die of claim 1, wherein: the shapes and the sizes of the sliding rods (24) are completely the same and are on the same plane, and the sliding rods (24) are symmetrically distributed by the axis of the support plate (2).