CN108041741B

CN108041741B - Cap pressing machine convenient for die replacement

Info

Publication number: CN108041741B
Application number: CN201711135817.XA
Authority: CN
Inventors: 丁军方
Original assignee: Cixi City Changhe Town Xiangxialao Cap Factory
Current assignee: Cixi City Changhe Town Xiangxialao Cap Factory
Priority date: 2017-11-12
Filing date: 2017-11-12
Publication date: 2020-11-24
Anticipated expiration: 2037-11-12
Also published as: CN108041741A

Abstract

The invention discloses a capping machine convenient for die change, which comprises a bracket, a die assembly, an upper die changing assembly, a lower die changing assembly and a die driving assembly, wherein the die assembly, the upper die changing assembly, the lower die changing assembly and the die driving assembly are supported on the bracket, the die assembly comprises an upper die frame, a lower die frame, a plurality of upper dies and a plurality of lower dies, the upper dies are uniformly arranged along the circumferential direction and are supported on the lower surface of the upper die frame, the lower die frame is uniformly arranged along the circumferential direction and is supported on the upper surface of the lower die frame, the lower die frame is rotatably supported on the bracket through the lower die changing assembly, the upper die frame is non-rotatably fixed on the bracket, the upper die changing assembly is arranged on the bracket at a position corresponding to the upper die frame and is used for enabling the upper dies on the upper die frame to move to a. The cap pressing machine can produce caps with different shapes at different positions without disassembly, saves the die change time and improves the production efficiency.

Description

Cap pressing machine convenient for die replacement

Technical Field

The invention relates to the field of cap production and manufacturing, in particular to a cap pressing machine convenient for die replacement.

Background

The mold industry is the basic industry of national economy, is the 'mother of all trades', is the industry of never dying, and the development level of the mold industry marks a national industrial level and product development capacity. The development of the mold industry in China is over half a century from the beginning to the end, the development speed is very quick, and the mold industry in China is initially scaled at present. In this way, the mould is more labor-intensive in daily repair and maintenance, and the necessary instruments are equipped for this purpose in the initial-scale enterprises. In some domestic small-sized die factories and household workshops, the die industry releases and then the small-sized die factories and household workshops emerge like spring bamboo shoots after raining, so that the small-sized die factories and household workshops occupy the half-wall Jiangshan of the die industry, but the household workshops and the small factories are limited in economic conditions in maintenance and cannot timely follow up with matched facilities. Therefore, the daily replacement of the mold is more time-consuming and labor-consuming, and particularly, manual replacement of some small molds is normal, but one mold is easy to cause manual disability due to carelessness. The situation is more prominent in a cap pressing factory, the upper die and the lower die of a metal die for pressing caps are not large, a gantry crane which is not provided with a die changing device is not used for changing the dies in the factory, and the dies need to be manually changed every time one machine presses various types of caps. The mould of the cap pressing machine is different from most moulds, and has no strict one-to-one correspondence, and because the cap pressing machine is used for pressing different patterns, grooves and the like on caps with the same size, most of the moulds are single moulds for replacing an upper mould or a lower mould.

Disclosure of Invention

The invention mainly aims to provide a cap pressing machine convenient for die change, which is convenient for die change and can produce various caps of different types without disassembling a die.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a make things convenient for cap pressing machine of retooling, a serial communication port, including support and the mould subassembly of support on the support, go up mould retooling subassembly, lower mould retooling subassembly and mould drive assembly, the mould subassembly includes die carrier, lower die carrier, supports a plurality of last moulds that evenly set up along the circumferencial direction on the lower surface of last die carrier and supports a plurality of lower moulds that evenly set up along the circumferencial direction on the upper surface of die carrier down, the die carrier rotatably supports on the support through lower mould retooling subassembly down, it is nonrotatably fixed to the support to go up the die carrier, it sets up to go up the mould retooling subassembly the position department that corresponds with last die carrier on the support is used for making last mould on the die carrier to remove the processing station with radial movement's mode, mould drive assembly is used for the lower mould that the drive is located.

Preferably, the upper die changing assembly comprises a positioning shaft, a sliding rod and a pull rod, the positioning shaft is rotatably arranged on the support and coaxial with the upper die frame, a through hole is formed in the positioning shaft, the through hole is formed in the diameter of the positioning shaft, the positioning shaft penetrates through the through hole in a sliding mode, the pull rod capable of moving up and down is arranged at one end of the sliding rod, and the pull rod can be inserted into the upper die.

Preferably, a positioning groove is arranged on the positioning shaft and below the through hole, the positioning groove extends from the outer side wall of the positioning shaft to the position of the axis in the radial direction and extends from the through hole to the lower end of the positioning shaft in the axial direction, the extending direction of the positioning groove in the radial direction is parallel to the sliding direction of the sliding rod, and the width of the positioning groove is equal to or slightly larger than the diameter of the sliding rod.

Preferably, go up the mould changing subassembly and still include fixed positioning epaxial and be located the positioning disk, rotation connecting rod, operation panel of slide bar top and set up the semicircular arc wall of keeping away from pull rod one end on the slide bar be provided with rotatory hole on the positioning disk, the one end of rotation connecting rod is passed through rotatory stand and is rotatably set up in rotatory hole, and the other end can be swung through the swing stand and set up in the arc wall the one end that rotation connecting rod was kept away from to the rotation stand is provided with the operation panel.

Preferably, the lower die changing assembly comprises a base with one end fixed on the support, an adjusting column with one end fixed on the lower die frame, and a limiting structure, wherein the base is provided with an opening at one end far away from the support, the adjusting column is inserted into the opening of the base at one end far away from the lower die frame, and the limiting structure can selectively enable the adjusting column to rotate or be fixed relative to the base.

Preferably, the limiting structure comprises first grooves, second grooves and stop blocks, the first grooves are arranged on the inner side wall of the base opening and are equal to the lower die in number, the second grooves are arranged on the outer side wall of one end, inserted into the base opening, of the adjusting column and are equal to the lower die in number, the stop blocks are located in the second grooves, the first grooves are uniformly arranged on the inner side wall of the base opening, the second grooves are uniformly arranged on the circumferential surface of the outer side wall of the adjusting column, and each stop block can selectively extend into the corresponding first groove.

Preferably, the limit structure further comprises a pressing ring, a bolt matched with the first groove is arranged on the pressing ring towards the base, the bolt can be inserted into the first groove, and the inner side wall of the bolt is at least aligned with the inner side wall of the first groove.

Preferably, the limit structure further comprises a radial spring arranged in the second groove along the radial direction of the adjusting column, one end of the radial spring close to the base abuts against the stop block, and the radial spring is always in a compressed state.

Preferably, limit structure still includes the adjusting knob, the adjusting knob is the loop configuration, is provided with the internal thread on its inside wall, be provided with on the base with the adjusting knob on internal thread complex external screw thread, the one end of keeping away from the base of pressing ring supports the one end of keeping away from the base by the adjusting knob.

Preferably, the mold drive assembly includes a drive rod supported up and down movably on the carriage, a pedal supported up and down movably on the carriage, and a drive belt connecting the drive rod and the pedal, the drive rod having an upper end capable of selectively engaging one of the lower molds and capable of moving the lower mold upwardly into engagement with the upper mold.

Compared with the prior art, the invention has the beneficial effects that:

this press cap machine can realize the retooling under the condition that need not dismantle, has saved the time of retooling, has improved production efficiency.

Drawings

FIG. 1 is a perspective view of a preferred embodiment according to the present invention

FIG. 2 is a cross-sectional view of FIG. 1

FIG. 3 is an exploded view of the lower die change assembly

FIG. 4 is a cross-sectional view of the lower die change assembly after assembly

FIG. 5 is an exploded view of an upper die change assembly

FIG. 6 is a block diagram of the upper die changing assembly at a station where the upper die is not pulled

FIG. 7 is a block diagram of the upper die change assembly being brought to a station

FIG. 8 is a bottom view of the upper mold frame

FIG. 9 is a perspective view of the upper mold frame

FIG. 10 is a view showing the structure of the positioning shaft

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

A cap pressing machine convenient for die change as shown in fig. 1-10 comprises a support 1, and a die assembly, an upper die change assembly, a lower die change assembly and a die driving assembly supported on the support 1.

The mould subassembly includes supports last die carrier 21 and lower die carrier 22 on support 1 through the retooling subassembly respectively go up die carrier 21 and lower die carrier 22 and be disc type structure, be provided with 8 and go up mould 23 at the lower surface of last die carrier 21, be provided with 8 lower moulds 24 at the upper surface of lower die carrier 22, 8 go up mould 23 and distribute uniformly on the circumference that uses the axis of disc structure as the centre of a circle, 8 lower mould 24 corresponds with last mould 23 each other. Each lower die 24 is provided with a cap to be processed, the cap to be processed of different lower dies 24 is different in shape, and different upper dies 23 are also provided with different cap to be processed, and the complete shape of one cap is produced by matching the lower dies 24 and the upper dies 23, so that different caps of 64 can be produced by 8 upper dies 23 and 8 lower dies 24.

The upper mold frame 21 is non-rotatably fixed to the support 1 by the engagement of the fixing holes 213 provided on the edge of the upper mold frame 21 and the fixing posts 11. The upper die 23 and the lower die 24 respectively move different upper dies 23 and lower dies 24 to a processing station through an upper die changing assembly and a lower die changing assembly to realize the forming of the cap.

The lower mold 23 can be driven by a mold driving assembly and can move up and down relative to the lower mold frame 22 to realize the matching with the corresponding upper mold 23.

The lower die changing assembly comprises a base 31 with one end fixed on the support 1, an adjusting column 33 with one end fixed on the lower die frame 22 and a limiting structure, wherein an opening is formed in one end, far away from the support 1, of the base 31, one end, far away from the lower die frame 22, of the adjusting column 33 is inserted into the opening of the base 31, and the limiting structure can enable the adjusting column 33 to rotate for a specific angle relative to the base 31 so as to achieve the effect that different caps with different shapes at the processed positions are matched with each other by the lower die 24 and the upper die 23.

In order to prevent the adjusting column 33 from moving axially relative to the base 31 during normal operation, an end of the adjusting column 33 near the base 31 is provided with a protruding portion, which penetrates through the base 31, and a blocking structure such as a pin is provided on the protruding portion to ensure that the adjusting column 33 can only do rotation movement and cannot move axially.

The limiting structure comprises 8 first grooves 311 arranged on the inner side wall of the base opening, 8 second grooves 331 arranged on the outer side wall of one end, inserted into the base opening, of the adjusting column 33 and 8 stop blocks 32 located in the second grooves 331 and capable of selectively and partially extending into the first grooves 311, the first grooves 311 are uniformly arranged on the inner side wall of the base opening, and the second grooves 331 are uniformly arranged on the circumferential surface of the outer side wall of the adjusting column 33. When the stopper 32 is completely retracted into the second recess 331, the adjusting post 33 can rotate relative to the base 31 to change the mold, and when the stopper 32 partially extends into the first recess 311, the other part of the stopper 32 is located in the second recess 331, so that the rotation of the adjusting post 33 is limited, and the positioning effect is achieved. Moreover, since the angle between the adjacent first recesses 311 and the angle between the adjacent second recesses 331 are the same as the angle between the adjacent lower dies 24, when the lower die frame 22 rotates, it is possible to ensure that the upper die 23 and the lower die 24 are aligned during operation.

The limiting structure further comprises a pressing ring 35 and an adjusting button 36, wherein 8 bolts 351 matched with the first groove 311 are arranged on the pressing ring 35 towards the direction of the base 31, the bolts 351 can be inserted into the first groove 311, and the inner side walls of the bolts 351 are at least aligned with the inner side walls of the first groove 311, so that when the bolts 351 are inserted into the first groove 311 to a certain depth, the stopper 32 can be completely pushed out of the first groove 311, and the adjusting column 33 can rotate relative to the base 31.

The adjusting button 36 is of an annular structure, an internal thread is arranged on the inner side wall of the adjusting button, an external thread matched with the internal thread on the adjusting button 36 is arranged on the base 31, one end, far away from the base 31, of the pressing ring 35 abuts against one end, far away from the base 31, of the adjusting button 36, the pressing ring 35 can be pushed to move towards the direction of the base 31 by screwing the adjusting button 36, then the bolt 351 can be inserted into the first groove 311, and a certain depth can be inserted to push the stopper 32 out of the first groove 311.

The limiting structure further comprises an axial spring 34 arranged between the pressing ring 35 and the base 31, the axial spring 34 is always in a compressed state, and when the adjusting knob 36 moves towards the direction away from the base, the axial spring 34 can push the pressing ring 35 to move towards the direction away from the base 31.

A radial spring 34 is disposed in the second recess 331 along the radial direction of the adjusting column 33, one end of the radial spring 34 close to the base 31 abuts against the stopper 32 and is always in a compressed state, and when the latch 351 moves a certain distance away from the base 31, the stopper 32 is partially inserted into the first recess 311.

The upper die changing assembly comprises a positioning shaft 41, the upper end of the positioning shaft 41 is rotatably fixed on the support 1 and is coaxial with the upper die frame 21, the lower end of the positioning shaft 41 is a processing station, an upper die positioning mechanism is arranged on the positioning shaft 41, and the upper die positioning mechanism can pull the upper die 23 to the position of the lower end of the positioning shaft 41 to be aligned with one of the lower dies 24.

The upper mold positioning mechanism comprises a slide rod 42, the slide rod 42 passes through a through hole 411 arranged on the positioning shaft 41 and can slide relative to the positioning shaft 41, the axis of the through hole 411 is positioned on one diameter of the positioning shaft 41, and a pull rod 43 used for pulling the upper mold 23 to move along one diameter of the upper mold frame 21 is arranged at one end of the slide rod 42. Specifically, four mold slide grooves 211 are formed in the lower surface of the lower mold frame 23, each mold slide groove 211 extends along the diameter direction of the upper mold frame 21, the interval angles between the adjacent mold slide grooves 211 are the same, and the upper end of the upper mold frame 23 is fixed to the upper mold frame 21 so as to be movable back and forth along the mold slide grooves 211. A pull rod slide groove 212 is provided on the upper mold frame 21 at a position corresponding to each mold slide groove 211, and in use, the pull rod 43 is inserted into the upper end of the upper mold 23 through the pull rod slide groove 212 and the slide rod 42 can move the upper mold 23 along the mold slide groove 211 by pulling the pull rod 43. The width of the pull rod sliding groove 212 is equal to or slightly larger than the diameter of the pull rod 43, so that the pull rod sliding groove 212 can play a role in guiding and can reduce the shaking of the pull rod 43 in the moving process.

A positioning groove 412 is provided on the positioning shaft 41 below the through hole 411, the positioning groove 412 extends from the outer side wall of the positioning shaft 41 to the axis in the radial direction, extends from the through hole 411 to the lower end surface of the positioning shaft 41 in the axial direction, and the width of the positioning groove 412 is equal to or slightly larger than the diameter of the pull rod 43, so that under the pulling of the slide rod 42, the pull rod 43 can move to the position of the axis of the positioning shaft 41, and the center of the upper die 23 can be located on the axis of the positioning shaft 43, that is, one of the upper dies 23 can be moved to the processing station by pulling the slide rod 42.

When the upper die 23 needs to be replaced, the used upper die 23 is moved to the outermost side through the sliding rod 42, the pull rod 43 is moved upwards to be separated from the used upper die 23, the positioning shaft 41 is rotated, the sliding rod 42 and the pull rod 43 rotate along with the rotation, when the required upper die 23 is rotated, the pull rod 43 is inserted into the upper end of the upper die 23, and the upper die 23 is pulled to a station through the sliding rod 42.

A semicircular arc-shaped groove 44 is formed in one end, far away from the pull rod 43, of the sliding rod 42, a positioning disc 47 is further fixed on the positioning shaft 41, a rotating hole 472 is formed in the positioning disc 47, and the diameter of the positioning disc 47 where the rotating hole 472 is located is parallel to that of the sliding rod 42.

The upper die positioning mechanism further comprises a rotating connecting rod 45, one end of the rotating connecting rod 45 is rotatably arranged in the rotating hole 472 through a rotating upright post 451, the other end of the rotating connecting rod 45 is inserted into the arc-shaped groove 44 through a swinging upright post 452, an operating panel 46 is arranged at one end of the rotating upright post 451, which is far away from the rotating connecting rod 45, and through the rotating operating panel 46, the rotating connecting rod 45 rotates to drive the sliding rod 42 to move back and forth along the length direction of the sliding rod 42 so as to drive the upper die 23 to move back and.

In order to prevent the positioning plate 47 from blocking the up-and-down movement of the pull rod 43, a relief hole 471 is provided in the positioning plate 47 at a position corresponding to the pull rod 43.

The die driving assembly comprises a transmission rod 46 which is supported on the bracket 1 in a vertically movable mode, a pedal 41 which is supported on the bracket 1 in a vertically movable mode, and a transmission belt 45 which is used for connecting the transmission rod 46 and the pedal 41, wherein the transmission wheel 44 is further arranged on the bracket 1, the arrangement position of the transmission wheel 44 is higher than the lower end of the transmission rod 46 and the pedal 41, the transmission belt 45 bypasses from the upper side of the transmission wheel 44, so that the transmission rod 46 can be driven to move upwards when the pedal 41 is stepped downwards, the upper end of the transmission rod 46 penetrates through a through hole in the lower die frame to enter a counter bore of the lower die 24, and then the lower die 24 is jacked up to.

In order to reduce the swing of the transmission rod 46, a positioning plate 461 is arranged at the lower end of the transmission rod 46, the positioning plate 461 is provided with two positioning holes which are symmetrically arranged relative to the axis of the transmission rod 46, and a vertically arranged guide rod 462 matched with the positioning holes is arranged on the bracket 1, so that when the transmission rod 46 moves up and down, a stabilizing effect can be achieved.

Specifically, the pedal 41 is supported on the bracket 1 by a vertically disposed connecting rod 42, and the pedal 41 is movable up and down with respect to the connecting rod 42. A return spring 43 is arranged on the connecting rod 42 between the pedal 41 and the frame 1, said return spring 43 at least being able to return the pedal 41 to a position when it is not subjected to a pedaling force, which enables sufficient slack in the belt to ensure that the transmission rod 46 can be disengaged from the lower mold 24.

A rotary disk 48 capable of abutting on the bracket 1 is provided at the upper end of the transmission rod 46, and the rotary disk 48 is screw-engaged with the transmission rod 46, so that when the transmission rod 46 moves upward to engage the lower mold 24 with the upper mold 23, the pedal 41 is released by rotating the rotary disk 48 to abut on the bracket, and the transmission rod 46 does not move downward to engage the upper mold 23 with the lower mold 24 for a sufficient time. When the lower mold 24 needs to be moved downward, the rotary disk 48 only needs to be rotated in the reverse direction.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a make things convenient for cap pressing machine of retooling, a serial communication port, including support and the mould subassembly that supports on the support, go up mould retooling subassembly, lower mould retooling subassembly and mould drive assembly, the mould subassembly includes die carrier, lower die carrier, supports a plurality of last moulds that evenly set up along the circumferencial direction on the lower surface of last die carrier and supports a plurality of lower moulds that evenly set up along the circumferencial direction on the upper surface of die carrier down, the die carrier rotatably supports on the support through lower mould retooling subassembly down, go up the die carrier nonrotatably fixed to the support, it sets up to go up the mould retooling subassembly on the support with the position department that the last die carrier corresponds for making last mould on the die carrier move to the processing station with radial movement's mode, mould drive assembly is used for driving the lower mould that is located the processing station to reciprocate, go up the mould retooling subassembly including rotatably set up on the support and with the coaxial location, The mould changing assembly comprises a slide rod and a pull rod, wherein a through hole is formed in the positioning shaft and positioned on one diameter of the slide rod, the slide rod penetrates through the through hole formed in the positioning shaft and can slide relative to the positioning shaft, one end of the slide rod is provided with the pull rod capable of moving up and down, the pull rod can be inserted into an upper mould, a positioning groove is formed in the positioning shaft and positioned below the through hole, the positioning groove radially extends from the outer side wall of the positioning shaft to the position of an axis and axially extends from the through hole to the lower end of the positioning shaft, the radial extending direction of the positioning groove is parallel to the sliding direction of the slide rod, the width of the positioning groove is equal to or slightly larger than the diameter of the pull rod, the upper mould changing assembly further comprises a positioning disc, a rotating connecting rod, an operating disc and a semicircular arc-shaped groove, the positioning disc is fixedly positioned, the positioning plate is provided with a rotating hole, one end of a rotating connecting rod is rotatably arranged in the rotating hole through a rotating stand column, the other end of the rotating connecting rod is arranged in the arc-shaped groove through a swinging stand column in a swinging mode, an operating plate is arranged at one end, far away from the rotating connecting rod, of the rotating stand column, and the circle center of the circumference where the lower dies are located is arranged in an eccentric mode compared with the axis of the positioning shaft.

2. The cap pressing machine convenient for die change according to claim 1, wherein the lower die change assembly comprises a base with one end fixed on the bracket, an adjusting column with one end fixed on the lower die frame, and a limit structure, the base is provided with an opening at the end far away from the bracket, the end far away from the lower die frame of the adjusting column is inserted into the opening of the base, and the limit structure can selectively enable the adjusting column to rotate or be fixed relative to the base.

3. The cap pressing machine convenient for die change as claimed in claim 2, wherein the limiting structure comprises a number of first grooves provided on the inner side wall of the base opening and equal to the number of the lower dies, a number of second grooves provided on the outer side wall of the end of the adjusting post inserted into the base opening and equal to the number of the lower dies, and a stopper located in each second groove, the first grooves are uniformly provided on the inner side wall of the base opening, the second grooves are uniformly provided on the circumferential surface of the outer side wall of the adjusting post, and each stopper can selectively extend into the corresponding first groove.

4. The cap pressing machine convenient for die change as claimed in claim 3, wherein the limiting structure further comprises a pressing ring, a bolt matched with the first groove is arranged on the pressing ring towards the base, the bolt can be inserted into the first groove, and the inner side wall of the bolt is at least aligned with the inner side wall of the first groove.

5. The cap pressing machine convenient for die changing as claimed in claim 4, wherein the limiting structure further comprises a radial spring disposed in the second groove along the radial direction of the adjusting column, one end of the radial spring close to the base abuts against the stopper and the radial spring is always in a compressed state.

6. The cap pressing machine convenient for die change as claimed in claim 5, wherein the limiting structure further comprises an adjusting button, the adjusting button is of a ring structure, an internal thread is provided on an inner side wall of the adjusting button, an external thread matched with the internal thread on the adjusting button is provided on the base, and one end of the pressing ring, far away from the base, abuts against one end of the adjusting button, far away from the base.

7. A die press facilitating die change as set forth in claim 1 wherein said die drive assembly includes a drive link supported up and down on a carriage, a pedal supported up and down on the carriage, and a drive belt connecting the drive link to the pedal, said drive link having an upper end capable of selectively engaging one of the lower dies and capable of moving the lower die upwardly into engagement with the upper die.