CN111790874A - Mold frame internal ejection structure - Google Patents
Mold frame internal ejection structure Download PDFInfo
- Publication number
- CN111790874A CN111790874A CN202010610991.0A CN202010610991A CN111790874A CN 111790874 A CN111790874 A CN 111790874A CN 202010610991 A CN202010610991 A CN 202010610991A CN 111790874 A CN111790874 A CN 111790874A
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- China
- Prior art keywords
- rod
- cam
- roller
- ejector rod
- mold frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to an internal ejecting structure of a die carrier, which comprises a bottom plate, wherein a plurality of through holes are formed in the bottom plate in a penetrating manner, an ejector rod is arranged in each through hole, the top end of each ejector rod is flush with the upper end surface of the through hole, the lower end of each ejector rod extends to the lower part of the bottom plate, the lower end of each ejector rod penetrates through a square fixing block and is connected with a roller, a cam is arranged below each roller, the roller is ejected upwards or naturally descended by the rotation of the cam, and the top end of each ejector rod is ejected or retracted from the top of. The invention is suitable for a multi-station continuous punch press, can quickly and efficiently improve the debugging efficiency of the die, saves the debugging cost and prolongs the service life of the ejection structure of the die frame.
Description
Technical Field
The invention relates to an internal ejection structure of a die carrier, and belongs to the technical field of machinery.
Background
The multi-station continuous forging press is frequently encountered in production practice, the ejection structure in the equipment is very important, but the ejection structure of the equipment is very easy to be abnormal, and if the ejection problem occurs in production, the following problems are caused: 1) the forging can not break away from the die cavity, and the secondary forging and pressing can damage the die. 2) Because the forging can not be separated from the die cavity, the integral die needs to be disassembled, thus seriously influencing the production rhythm. 3) Increasing the risk of personnel safety. Although some devices in the market eject abnormal alarm devices, the problem of ejection cannot be fundamentally solved. Therefore, an efficient multi-station continuous ejection structure is needed on the equipment.
Disclosure of Invention
In order to solve the technical problem, the invention provides an internal ejection structure of a die carrier, which has the following specific technical scheme:
the utility model provides an inside ejecting structure of die carrier, includes the bottom plate, the bottom plate runs through and is provided with a plurality of through-holes, every all be provided with the ejector pin in the through-hole, the top and the through-hole up end of ejector pin flush, and the lower extreme extends to the bottom plate below, and the lower extreme passes square fixed block, connects the gyro wheel, every the below of gyro wheel all is provided with the cam, and the cam is rotatory upwards pushes up the gyro wheel or descends naturally, realizes that the top of ejector pin is ejecting or retract and flushes with the through-hole top from the through-hole.
The ejection mechanism is characterized in that an ejection shaft sleeve is arranged outside the ejector rod and fixed on the lower surface of the bottom plate, two parallel plate-shaped support lugs are arranged at the lower end of the ejection shaft sleeve, a channel shaped like a Chinese character 'ao' is formed between the two support lugs, the square fixing block is positioned in the channel shaped like a Chinese character 'ao', a channel for accommodating the roller is arranged in the middle of one side of the square fixing block, the channel is perpendicular to the channel shaped like a Chinese character 'ao', and the roller is arranged in the channel. The middle part of one side, facing the square fixing block, of the square fixing block is provided with a channel for accommodating the roller, the channel is perpendicular to the channel shaped like a Chinese character 'ao', and the roller is arranged in the channel.
Further, the both ends of character cut in bas-relief shape passageway set up the diaphragm, the both ends of diaphragm are fixed with two hangers respectively, and two hangers and two diaphragms are around being the open, the top confined gyro wheel longitudinal movement surplus space in bottom.
Furthermore, mounting plates are arranged on two sides of the channel, an inner bushing penetrates through a central hole of the roller, two ends of the inner bushing penetrate through the square fixing blocks on the corresponding sides respectively, and the radial direction of the roller is parallel to the radial direction of the cam.
Furthermore, the position of the ejector rod close to the top part is reduced towards the center line platform of the ejector rod to form a shoulder structure.
Furthermore, all the cams are encircled on a transmission rod and comprise cam semi-rings and semi-rings which are oppositely butted, bolt holes are formed in two sides of each semi-ring in a penetrating way, blind end bolt holes are formed in the cam semi-rings, bolts are connected in the bolt holes in a threaded mode and are connected with the blind end bolt holes in a threaded mode,
the transmission rod is provided with a key, the semicircular ring is provided with a groove for inserting the key, and the key is matched with the groove in shape.
Furthermore, one end of the transmission rod is connected with a power rod through a coupler, the power rod is connected with a cylinder through a transmission component, and the cylinder drives the power rod to rotate and reset.
Furthermore, the transmission component comprises a rocker arm connected with the power rod, the moving plane of the rocker arm is perpendicular to the power rod, the rocker arm is connected with a cylinder piston rod, the cylinder piston rod extends out, the tail end of the rocker arm is pushed to rotate around the joint of the rocker arm and the power rod, the power rod is driven to synchronously rotate in the rotating process, the cylinder piston rod retracts, the power rod is driven to rotate and reset, the power rod rotates and resets, the cam is driven to rotate, and the ejector rod is ejected and reset by the cam.
Furthermore, reinforcing plates are arranged on two sides of all the ejection shaft sleeves and are fixed with the ejection shaft sleeves respectively.
Furthermore, a plurality of balance plates are further fixed below the bottom plate, holes are formed in the balance plates, a bearing is installed in each hole, the transmission rod penetrates through the bearing in each hole of each balance plate, the transmission rod is tightly held by the bearings, and the balance plates are located between the two adjacent rollers.
The invention has the beneficial effects that:
the invention is suitable for a multi-station continuous punch press, has simple structure, is easy to popularize and can be made into series products. By using the internal ejection structure of the die frame, the debugging efficiency of the die can be improved quickly and efficiently, the debugging cost is saved, and the service life of the ejection structure of the die frame is prolonged.
The invention can be changed on the original equipment parts without greatly adjusting the original equipment structure, and can effectively prolong the service life of the ejection structure.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is an enlarged view of a portion of figure 1 at a,
figure 3 is another angular view of figure 1,
figure 4 is a left side view of figure 1,
figure 5 is a right side view of figure 1,
figure 6 is a longitudinal cross-sectional view of one cam position of the present invention,
in the figure: the device comprises a cylinder mounting base, a cylinder 2, a cylinder 3, a cylinder piston rod 4, a rocker arm 5, a power rod mounting plate 6, a power rod 7, a reinforcing plate 8, a balance plate 9, a bolt hole 10, a key 11, a cam 11, a semicircular ring 11-1, a semicircular cam ring 11-2, a transmission rod 12, a bottom plate 13, an ejection shaft sleeve 14, an ejection lug 14-1, a coupler 15, an ejector rod 16, a bolt 17, a roller 18, an inner bushing 19, a square fixing block 20, a mounting plate 20-1 and a transverse plate 21.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The internal ejection structure of the die carrier is mainly applied to the lower surface of the bottom plate of the die carrier and is used for ejecting the forge piece from the lower die carrier, and the forge piece is often stuck to a die cavity of the lower die carrier due to strong downward extrusion force applied to the forge piece in the forging process, and needs to be ejected from the lower die carrier through the ejector rod 16, so that the forge piece is convenient to transfer.
As shown in fig. 1, 3 and 6, the bottom plate is provided with a plurality of through holes in a penetrating manner, each through hole is provided with a mandril 16, the top end of each mandril 16 is flush with the upper end face of the through hole, the lower end of each mandril 16 extends below the bottom plate and penetrates through a square fixing block to be connected with a roller 18, a cam 11 is arranged below each roller 18, the cam 11 rotates to push the roller 18 upwards or naturally descend, and the top end of each mandril 16 is ejected or retracted from the top of the through hole and is flush with the top of the through hole.
In order to stabilize the ejector rod 16, an ejection shaft sleeve is arranged outside the ejector rod 16 and fixed on the lower surface of the bottom plate, a connecting edge which extends towards two sides in a bending mode is arranged at the contact position of the ejection shaft sleeve and the lower surface of the bottom plate, a plurality of bolt holes 9 are formed in the connecting edge, and the connecting edge is screwed and fixed on the lower surface of the bottom plate through bolts, so that the connection relation is very firm. The lower end of the ejection shaft sleeve is provided with two parallel plate-shaped support lugs, a concave channel is formed between the two support lugs, the square fixing block 20 is positioned in the concave channel, transverse plates 21 are arranged at two ends of the concave channel, two ends of each transverse plate 21 are fixed with the two support lugs respectively, and the two support lugs and the two transverse plates 21 longitudinally move allowance space around the roller 18 which is open at the bottom and closed at the top. The transverse plate 21 and the support lugs form a longitudinal moving channel, the square fixing block 20 can move in the height direction in a combining mode, and the center of the square fixing block 20 is connected with the ejector rod 16 through a bolt. The square fixed block 20 is fixedly connected with the ejector rod 16 and moves synchronously.
The following describes how to install the roller 18, a channel for accommodating the roller 18 is formed in the middle of one side of the square fixed block 20, the channel is perpendicular to the channel in the shape of a Chinese character 'ao', the two sides of the channel are provided with mounting plates 20-1, the mounting plates 20-1 and the square fixed block 20 are integrally formed, the roller 18 is arranged in the channel, the inner bushing 19 of the roller 18 passes through the mounting plates 20-1 at the two sides and is connected with the outer end passing through the mounting plates 20-1 through a bolt to prevent the inner bushing from moving left and right and falling off the square fixed block 20. The radial direction of the roller 18 is parallel to the radial direction of the cam 11. The bearing is arranged outside the inner bushing, the roller is tightly held on the bearing, the roller 18 can rotate randomly in the circumferential direction, and friction to the cam 11 in the jacking process is reduced.
To provide the ram 16 with a margin of movement, the ram 16 tapers toward the centerline plateau of the ram 16 near the top, forming a shoulder structure. The diameter of the ejector rod 16 above the shoulder structure is reduced, and when the ejector rod 16 is ejected upwards, the ejector rod 16 at one end with a small diameter can extend out of the through hole of the bottom plate and cannot be blocked by the bottom plate. The through hole is provided with a circumferential sealing mechanism at a position close to the top, so that the inner diameter of the top of the through hole is shortened, and the ejector rod 16 can be prevented from being ejected too much due to accidents through a shoulder structure, and the jacking stroke limit control method is also a jacking stroke limit control means.
The multi-station forging device is suitable for multi-station forging, in order to achieve the purposes of simple control and equipment investment saving, all the cams 11 are encircled on one transmission rod, each cam 11 comprises a cam semi-ring 11-2 and a semi-circular ring 11-1 which are oppositely butted, bolt holes 9 are formed in two sides of each semi-circular ring 11-1 in a penetrating mode, blind end bolt holes 9 are formed in the cam semi-rings 11-2, and bolts 17 are connected in the bolt holes 9 in a threaded mode and are in threaded connection with the blind end bolt holes 9. The semi-circular ring 11-1 and the cam semi-ring 11-2 are relatively tightly held on the transmission rod and connected through the bolt 17, so that the cam 11 is convenient to install, after the cam semi-ring 11-2 is worn, the cam semi-ring 11-2 can be directly replaced, or a manufactured workpiece is changed, when different jacking strokes are needed, only the cam semi-ring 11-2 corresponding to the surface of the cam 11 needs to be replaced, and the equipment investment is saved.
In order to improve the installation stability of the cam 11, the reverse cam 11 rotates, the transmission rod is provided with a key 10, the semicircular ring 11-1 is provided with a groove for inserting the key 10, and the key 10 is matched with the groove in shape. The inner walls of the cam semi-ring 11-2 and/or the semicircular ring 11-1 can be provided with key grooves, the transmission rod is also provided with key grooves, the key grooves of the cam semi-ring 11-2 and/or the semicircular ring 11-1 are butted with the key grooves of the transmission rod, and the key 10 is inserted into the key grooves. The cam 11 can be effectively prevented from rotating and jacking failure can be prevented.
The driving control mechanism of the transmission rod is described below, one end of the transmission rod is connected with a power rod 6 through a coupler, the power rod 6 is connected with a cylinder 2 through a transmission component, and the cylinder 2 drives the power rod 6 to rotate and reset. The transmission component comprises a rocker arm 4 connected with a power rod 6, the moving plane of the rocker arm 4 is perpendicular to the power rod 6, the rocker arm 4 is connected with a cylinder piston rod 3, the cylinder piston rod 3 extends out, the tail end of the rocker arm 4 is pushed to rotate around the joint of the rocker arm and the power rod 6, the power rod 6 is driven to synchronously rotate in the rotating process, the cylinder piston rod 3 retracts to drive the power rod 6 to rotate and reset, the power rod 6 rotates and resets to drive a cam 11 to rotate, and the cam 11 ejects and resets an ejector rod 16. The cylinder 2 is fixed on the lower die carrier through the cylinder mounting seat 1. Simultaneously for the balanced operation of power rod 6, the one end that power rod 6 is close to rocking arm 4 is provided with power rod mounting panel 5, power rod mounting panel 5 is fixed on die carrier down, power rod mounting panel 5 sets up the hole that passes for power, fixed mounting has the bearing in this hole, power rod 6 passes from this bearing to by this bearing enclasping, power rod mounting panel 5 and bearing cooperation prevent that power rod 6 from rocking, and do not influence its rotation, prevent power loss, improve transmission efficiency.
In order to improve the overall stability of the device, all the ejection shaft sleeves are connected through reinforcing plates 7, the number of the reinforcing plates 7 is two, the reinforcing plates 7 are respectively fixed on two sides of each ejection shaft sleeve, and the reinforcing plates 7 are respectively fixed with each ejection shaft sleeve.
In order to prevent the transmission rod from shaking in the working process, a plurality of balance plates 8 are further fixed below the bottom plate, holes are formed in the balance plates 8, a bearing is installed in each hole, the transmission rod penetrates through the bearing in each hole of each balance plate 8, the transmission rod is tightly held by the bearings, and the balance plates 8 are located between two adjacent rollers 18.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides an inside ejecting structure of die carrier which characterized in that: the bottom plate is provided with a plurality of through holes in a penetrating manner, each through hole is internally provided with an ejector rod, the top end of each ejector rod is flush with the upper end face of the through hole, the lower end of each ejector rod extends to the lower part of the bottom plate and penetrates through a square fixing block to be connected with a roller, a cam is arranged below each roller, the cam rotates to push the roller upwards or naturally descend, and the top end of each ejector rod is ejected or retracted from the top of the through hole to be flush with the top of the through hole;
the ejection mechanism is characterized in that an ejection shaft sleeve is arranged outside the ejector rod and fixed on the lower surface of the bottom plate, two parallel plate-shaped support lugs are arranged at the lower end of the ejection shaft sleeve, a channel shaped like a Chinese character 'ao' is formed between the two support lugs, the square fixing block is positioned in the channel shaped like a Chinese character 'ao', a channel for accommodating the roller is arranged in the middle of one side of the square fixing block, the channel is perpendicular to the channel shaped like a Chinese character 'ao', and the roller is arranged in the channel.
2. The mold frame internal ejection structure according to claim 1, characterized in that: the both ends of character cut in bas-relief shape passageway set up the diaphragm, the both ends of diaphragm are fixed with two hangers respectively, and two hangers and two diaphragms are around being the open, the top confined gyro wheel longitudinal movement surplus space in bottom.
3. The mold frame internal ejection structure according to claim 2, characterized in that: the mounting plates are arranged on two sides of the channel, an inner bushing penetrates through a central hole of the roller, two ends of the inner bushing penetrate through the square fixing blocks on the corresponding sides respectively, and the radial direction of the roller is parallel to the radial direction of the cam.
4. The mold frame internal ejection structure according to claim 1, characterized in that: the position of the ejector rod close to the top is reduced towards the center line platform of the ejector rod to form a shoulder structure.
5. The mold frame internal ejection structure according to claim 1, characterized in that: all the cams are encircled on a transmission rod and comprise cam semi-rings and semi-rings which are oppositely butted, bolt holes are formed in two sides of each semi-ring in a penetrating way, blind end bolt holes are formed in the cam semi-rings, bolts are connected in the bolt holes in a threaded mode and are connected with the blind end bolt holes in a threaded mode,
the transmission rod is provided with a key, the semicircular ring is provided with a groove for inserting the key, and the key is matched with the groove in shape.
6. The mold frame internal ejection structure according to claim 1, characterized in that: one end of the transmission rod is connected with a power rod through a coupler, the power rod is connected with a cylinder through a transmission component, and the cylinder drives the power rod to rotate and reset.
7. The mold frame internal ejection structure according to claim 6, characterized in that: the transmission component comprises a rocker arm connected with the power rod, the moving plane of the rocker arm is perpendicular to the power rod, the rocker arm is connected with a cylinder piston rod, the cylinder piston rod extends out, the tail end of the rocker arm is pushed to rotate around the joint of the rocker arm and the power rod, the power rod is driven to synchronously rotate in the rotating process, the cylinder piston rod retracts to drive the power rod to rotate and reset, the power rod rotates and resets to drive the cam to rotate, and the push rod is ejected and reset by the cam.
8. The mold frame internal ejection structure according to claim 2, characterized in that: all the two sides of the ejection shaft sleeves are provided with reinforcing plates, and the reinforcing plates are fixed with the ejection shaft sleeves respectively.
9. The mold frame internal ejection structure according to claim 1, characterized in that: the bottom plate below still is fixed with a plurality of balance plates, and the balance plate is seted up porosely, and all installs the bearing in every hole, and the bearing hugs closely the transfer line, the transfer line passes from the bearing in every balance plate's downthehole, and the balance plate is located between two adjacent gyro wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610991.0A CN111790874A (en) | 2020-06-30 | 2020-06-30 | Mold frame internal ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610991.0A CN111790874A (en) | 2020-06-30 | 2020-06-30 | Mold frame internal ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111790874A true CN111790874A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010610991.0A Pending CN111790874A (en) | 2020-06-30 | 2020-06-30 | Mold frame internal ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111790874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453154A (en) * | 2020-11-05 | 2021-03-09 | 宁波全勤智能科技有限公司 | Five-station cold forging punch press |
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| JPS63309344A (en) * | 1987-06-08 | 1988-12-16 | Komatsu Ltd | Knockout device for forging press |
| WO2001051234A1 (en) * | 2000-01-12 | 2001-07-19 | Wafios Aktiengesellschaft | Device mounted onto a slider crank for generating a displacement of a part mounted onto the slide in relation to the latter |
| CN206869003U (en) * | 2017-06-22 | 2018-01-12 | 荣成华东锻压机床股份有限公司 | A kind of punching machine lever type mechanical bottom ejection device |
| CN107755612A (en) * | 2017-07-08 | 2018-03-06 | 嘉兴大道锻造技术咨询有限公司 | A kind of double cam material jacking mechanism of stable discharging |
| CN207127131U (en) * | 2017-05-13 | 2018-03-23 | 陈红勇 | A kind of simple effort-saving metal stamping die material jacking mechanism |
| CN108015141A (en) * | 2017-12-12 | 2018-05-11 | 嘉兴大道锻造技术咨询有限公司 | One kind supercharging toggle punching machine |
| CN108672636A (en) * | 2018-06-28 | 2018-10-19 | 南京康尼精密机械有限公司 | A kind of controllable more ejecting structures of forging press |
| CN209288194U (en) * | 2018-11-02 | 2019-08-23 | 思进智能成形装备股份有限公司 | Cold headers material removing mechanism |
| CN209349448U (en) * | 2018-11-04 | 2019-09-06 | 柏纬（泰州）铁工有限公司 | A kind of forging press hydraulic liftout apparatus |
-
2020
- 2020-06-30 CN CN202010610991.0A patent/CN111790874A/en active Pending
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|---|---|---|---|---|
| JPS63309344A (en) * | 1987-06-08 | 1988-12-16 | Komatsu Ltd | Knockout device for forging press |
| WO2001051234A1 (en) * | 2000-01-12 | 2001-07-19 | Wafios Aktiengesellschaft | Device mounted onto a slider crank for generating a displacement of a part mounted onto the slide in relation to the latter |
| CN207127131U (en) * | 2017-05-13 | 2018-03-23 | 陈红勇 | A kind of simple effort-saving metal stamping die material jacking mechanism |
| CN206869003U (en) * | 2017-06-22 | 2018-01-12 | 荣成华东锻压机床股份有限公司 | A kind of punching machine lever type mechanical bottom ejection device |
| CN107755612A (en) * | 2017-07-08 | 2018-03-06 | 嘉兴大道锻造技术咨询有限公司 | A kind of double cam material jacking mechanism of stable discharging |
| CN108015141A (en) * | 2017-12-12 | 2018-05-11 | 嘉兴大道锻造技术咨询有限公司 | One kind supercharging toggle punching machine |
| CN108672636A (en) * | 2018-06-28 | 2018-10-19 | 南京康尼精密机械有限公司 | A kind of controllable more ejecting structures of forging press |
| CN209288194U (en) * | 2018-11-02 | 2019-08-23 | 思进智能成形装备股份有限公司 | Cold headers material removing mechanism |
| CN209349448U (en) * | 2018-11-04 | 2019-09-06 | 柏纬（泰州）铁工有限公司 | A kind of forging press hydraulic liftout apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453154A (en) * | 2020-11-05 | 2021-03-09 | 宁波全勤智能科技有限公司 | Five-station cold forging punch press |
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Application publication date: 20201020 |