CN110000291B - Outer bowl closing-in die - Google Patents
Outer bowl closing-in die Download PDFInfo
- Publication number
- CN110000291B CN110000291B CN201910335156.8A CN201910335156A CN110000291B CN 110000291 B CN110000291 B CN 110000291B CN 201910335156 A CN201910335156 A CN 201910335156A CN 110000291 B CN110000291 B CN 110000291B
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- China
- Prior art keywords
- movable seat
- special
- hole
- shaped table
- outer bowl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 235000004443 Ricinus communis Nutrition 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009347 mechanical transmission Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Forging (AREA)
Abstract
The invention discloses an outer bowl closing die, which comprises a fixed seat and a movable seat, wherein the movable seat is provided with a special-shaped table, the top end of the special-shaped table is provided with a workpiece placing surface, the side surface of the special-shaped table is provided with a plurality of first matching surfaces distributed in an annular array around the central axis of the special-shaped table, the first matching surfaces are connected with oblique pushing blocks in a sliding manner, each oblique pushing block is provided with a head end and a tail end, the fixed seat is also provided with lower inserting knives which are equal to the first matching surfaces in number and distributed in an annular array around the periphery of the special-shaped table, the lower inserting knives extend into the movable seat and slide relatively to each other, the top end of each lower inserting knife is provided with a second matching surface, the tail end of each lower inserting knife is connected with the second matching surface in a sliding manner, a pressing block is further arranged on the oblique pushing block, one end of each pressing block is in butt joint with the corresponding first reset spring which is in butt joint with the oblique pushing block from top to bottom and is arranged above the workpiece placing surface; the second reset spring is arranged between the fixed seat and the movable seat. The closing-in die has the characteristics of convenience in closing-in and automatic resetting.
Description
Technical Field
The invention relates to the technical field of caster manufacturing, in particular to an outer bowl closing-in die.
Background
The casters include movable casters and fixed casters. The movable castor is also called a universal wheel, and the structure of the movable castor allows 360 degrees of rotation; the fixed castor is also called a directional castor, which has no rotating structure and can not rotate. Usually two casters are used in combination, for example, a cart is constructed with two directional wheels at the front and two universal wheels at the rear, near the pushing handrail. Casters also come in a variety of materials such as cast iron wheels, nylon wheels, and the like.
As shown in fig. 7, in the manufacturing process of the caster, a turnover steel ball 101 needs to be arranged at the periphery of the caster 100 and is wrapped in the outer bowl 102, the bowl mouth of the outer bowl 102 is initially straight-sided, after being wrapped on the steel ball 101, the bowl mouth is bent, so that the bowl mouth is arc-shaped, the steel ball 101 is wrapped therein, and falling is avoided, but no device capable of automatically completing the closing of the bowl mouth is available, and the overall effect is poor. Accordingly, the invention provides an outer bowl closing die.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the outer bowl closing-in die which has the characteristics of convenience in closing-in and automatic resetting.
In order to solve the technical problems, the aim of the invention is realized as follows: the invention relates to an outer bowl closing die which comprises a fixed seat and a movable seat, wherein the movable seat is arranged above the fixed seat and moves up and down relative to the fixed seat, a special-shaped table is arranged on the movable seat, a workpiece placing surface is arranged at the top end of the special-shaped table, a plurality of first matching surfaces distributed in an annular array around the central axis of the special-shaped table are arranged on the side surface of the special-shaped table, an inclined pushing block is connected onto the first matching surfaces in a sliding manner, the inclined pushing block is provided with a head end and a tail end, two adjacent head ends are close together and two adjacent tail ends are separated, lower slotting tools which are equal in number with the first matching surfaces and distributed in an annular array around the periphery of the special-shaped table are also arranged on the fixed seat, the lower slotting tools extend into the movable seat and slide relatively to each other, a second matching surface for the tail ends to abut against is arranged at the top end of the lower slotting tools, the tail ends are connected onto the second matching surfaces in a sliding manner, a pressing block which moves together with the movable seat is also arranged between the pressing block and the inclined pushing block, and a reset spring with one end abutting against the pressing block is arranged;
comprises an upper die head which moves from top to bottom and is arranged above the workpiece placing surface;
The second reset spring is arranged between the fixed seat and the movable seat.
The invention is further provided with: the fixed seat is provided with a stepped hole, the stepped hole consists of a first hole and a second hole with the diameter larger than that of the first hole and positioned below the first hole, a uniform-height sleeve is connected in a sliding mode in the stepped hole, a uniform-height screw is connected to the uniform-height sleeve in a threaded mode, and the uniform-height screw comprises a rod portion in threaded connection with the movable seat and a head portion arranged on the second hole and capable of moving up and down.
The invention is further provided with: the positioning needle protrudes out of the workpiece placing surface; the bottom of the upper die head is provided with a positioning hole into which a positioning needle extends.
The invention is further provided with: the movable seat is provided with a pressing plate, and the pressing plate is provided with a guide groove for the inclined pushing block to slide in.
The invention is further provided with: and the second reset spring is buried in the fixing seat.
In summary, the invention has the following beneficial effects:
1. The movable seat and the fixed seat are extruded from top to bottom, the lower slotting tool pushes the inclined pushing block, so that the head ends are close, the outer bowl is extruded, and the outer bowl is closed, so that the operation is convenient;
2. The pure mechanical transmission structure has no electric control component, low failure rate, simple and convenient manufacture and good safety;
3. the reset spring is arranged, so that the reset operation of the device after closing in is realized, automatic reset is realized, and the outer bowl is convenient to clamp;
4. The equal-height sleeve and the equal-height screw are arranged for connecting the movable seat and the fixed seat, so that the separation of the movable seat and the fixed seat is avoided, and an indirect guiding effect is achieved;
5. The positioning needle is convenient for clamping the outer bowl, so that the function of pre-positioning is achieved;
6. The second reset spring is arranged on the fixed seat in a burying mode, so that the whole volume of the closing-in die is reduced, and the spring is convenient to install.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the removed platen of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the present invention;
FIG. 4 is a schematic view of the internal structure of FIG. 3;
FIG. 5 is a schematic view of a construction of a lower cutting insert embodying the present invention;
FIG. 6 is a schematic diagram of a structure embodying the invention of a movable seat;
fig. 7 is a schematic view of the structure of a conventional outer bowl.
Detailed Description
The invention will be further described with reference to the drawings and preferred embodiments.
Referring to fig. 1 to 7, an outer bowl closing die according to this embodiment includes a fixed seat 10 and a movable seat 20 disposed above the fixed seat 10 and moving up and down relative to the fixed seat 10, the movable seat 20 has a shaped table 21, a top end of the shaped table 21 has a workpiece placement surface 211, a side surface of the shaped table 21 has a plurality of matching surfaces one 212 distributed around a central axis annular array of the shaped table 21, the matching surface one 212 is slidably connected with an oblique push block 22, the oblique push block 22 has a head end 221 and a tail end 222, two adjacent head ends 221 are close together and two adjacent tail ends 222 are separated, the fixed seat 10 is further provided with lower insert knives 11 which are equal to the number of the matching surfaces one 212 and distributed around a peripheral annular array of the shaped table 21, the lower insert knives 11 extend into the movable seat 20 and slide relatively to each other, a top end of the lower insert knives 11 has a matching surface two 111 for the tail end 222 to abut against, the tail end 222 is slidably connected with the matching surface two 111, the oblique push block 22 is further provided with an oblique push block 23 which moves together with the movable seat 20, and the oblique push block 23 abuts against one end of the oblique push block 22;
Comprises an upper die head 30 which moves from top to bottom and is arranged above the workpiece placing surface 211;
and a second return spring 40 arranged between the fixed seat 10 and the movable seat 20.
Further, the fixed seat 10 is provided with a stepped hole 12, the stepped hole 12 is formed by a hole one 121 and a hole two 122 with a diameter larger than that of the hole one 121 and located below the hole one 121, the stepped hole 12 is slidably connected with a constant-height sleeve 13, the constant-height sleeve 13 is in threaded connection with a constant-height screw 14, the constant-height screw 14 comprises a rod portion 141 in threaded connection with the movable seat 20 and a head portion 142 arranged on the hole two 122 to move up and down, the movable seat 20 moves together with the movable seat 20 in the process of moving up and down relative to the fixed seat 10, and the constant-height sleeve 13 and the constant-height screw 14 move up and down in the stepped hole 12, but are limited to move in the stepped hole 12, so that the movable seat 20 is connected with the fixed seat 10, separation of the two is avoided, and an indirect guiding effect is achieved.
Further, the positioning needle 50 protrudes from the workpiece placement surface 211; the bottom of the upper die head 30 is provided with a positioning hole (not shown in the figure) into which the positioning needle 50 extends, the workpiece placing surface 211 is used for clamping the outer bowl 102, the outer bowl 102 is provided with a central hole 103, and the positioning needle 50 is inserted into the central hole 103, so that the clamping of the outer bowl 102 is facilitated, and the function of pre-positioning is achieved.
Further, the movable seat 20 is provided with a pressing plate 25, and the pressing plate 25 is provided with a guide groove 251 for the inclined pushing block 22 to slide inside, so that the inclined pushing block 22 slides along the guide groove 251 in the process of pushing the inclined pushing block 22 by the lower slotting tool 11, and the closing effect is better due to the sliding along the track.
Further, the second return spring 40 is embedded in the fixing base 10, the second return spring 40 is arranged in the fixing base 10 in an embedded manner, the overall size of the closing die is reduced, and the second return spring 40 is convenient to install.
In the present embodiment, first, the upper die head 30 is located at a set position above the workpiece placement surface 211, the second return spring 40 is naturally expanded, and the movable seat 20 is jacked up, so that the lower slotting tool 11 does not fully extend into the movable seat 20, and the inclined push block 22 is located at a low position; then, placing the pre-assembled foot fork 100, the steel ball 101 and the outer bowl 102 (as shown in a state of fig. 7) on the workpiece placing surface 211, wherein the outer bowl 102 is inverted on the workpiece placing surface 211, the bowl opening of the outer bowl 102 is in a straight edge shape, and the center hole 103 of the outer bowl 102 is sleeved on the positioning needle 50, so that the clamping of the outer bowl 102 is completed; then, the upper die head 30 moving from top to bottom extrudes the outer bowl 102, the movable seat 20 moves downwards, the second reset spring 40 is compressed, the lower slotting tool 11 gradually and completely stretches into the movable seat 20, the inclined pushing block 22 is pushed, the tail end 222 is abutted by the second matching surface 111 at the top end of the lower slotting tool 11 and gradually pushes the inclined pushing block 22, the first reset spring 24 is compressed, the inclined pushing block 22 slides along the first matching surface 212 and the guide groove 251, the head end 221 gradually closes and extrudes the bowl mouth of the outer bowl 102 to form an arc bowl mouth, the steel ball 101 is wrapped in the bowl mouth, dropping is avoided, and the closing operation of the outer bowl 102 is completed;
in the resetting process, only the upper die head 30 is required to be lifted, the first reset spring 24 and the second reset spring 40 are restored to deform and expand, so that the distance between the pressing block 23 and the lower slotting tool 11 is increased, the inclined pushing block 22 is retracted into the movable seat 20 and does not wrap the outer bowl 102 any more, and the outer bowl 102 is replaced.
According to the outer bowl closing die, the movable seat and the fixed seat are extruded from top to bottom, the lower slotting tool pushes the inclined pushing block, so that the head ends are close, the outer bowl is extruded, the outer bowl is closed, and the operation is convenient; the pure mechanical transmission structure is adopted, no electric control component is adopted, the failure rate is low, the manufacture is simple and convenient, and the safety is good; the reset operation of the device after closing is realized through the arrangement of the reset spring, so that the automatic reset is realized, and the outer bowl is convenient to clamp; the movable seat and the fixed seat are connected through the arrangement of the equal-height sleeve and the equal-height screw, so that the separation of the movable seat and the fixed seat is avoided, and an indirect guiding effect is achieved; the positioning needle is arranged, so that the outer bowl is convenient to clamp, and the function of pre-positioning is achieved; the second reset spring is arranged on the fixed seat in a burying mode, so that the whole size of the closing-in die is reduced, and the spring is convenient to install.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (3)
1. Outer bowl binding off mould, its characterized in that: the movable seat is provided with a special-shaped table, the top end of the special-shaped table is provided with a workpiece placing surface, the side surface of the special-shaped table is provided with a plurality of first matching surfaces distributed around the central axis of the special-shaped table in an annular array, the first matching surfaces are slidably connected with inclined pushing blocks, the inclined pushing blocks are provided with head ends and tail ends, the two adjacent head ends are close to each other and the two adjacent tail ends are separated, the fixed seat is also provided with lower inserting blades which are equal to the first matching surfaces in number and distributed around the peripheral annular array of the special-shaped table, the lower inserting blades extend into the movable seat and slide relatively to each other, the top ends of the lower inserting blades are provided with second matching surfaces for the tail ends to abut against, the tail ends are slidably connected with the second matching surfaces, the inclined pushing blocks are also provided with pressing blocks which move together with the movable seat, and reset springs I, one ends of the pressing blocks abut against the pressing blocks, and the other ends of the first reset springs abut against the inclined pushing blocks, and the other ends of the pressing blocks are arranged between the pressing blocks;
comprises an upper die head which moves from top to bottom and is arranged above the workpiece placing surface;
the second reset spring is arranged between the fixed seat and the movable seat;
The fixed seat is provided with a stepped hole, the stepped hole consists of a first hole and a second hole with the diameter larger than that of the first hole and positioned below the first hole, the stepped hole is connected with a constant-height sleeve in a sliding mode, the constant-height sleeve is connected with a constant-height screw in a threaded mode, and the constant-height screw comprises a rod part in threaded connection with the movable seat and a head part arranged on the second hole for up-down movement; and the second reset spring is buried in the fixing seat.
2. The outer bowl closing die according to claim 1, wherein: the positioning needle protrudes out of the workpiece placing surface; the bottom of the upper die head is provided with a positioning hole into which a positioning needle extends.
3. The outer bowl closing die according to claim 2, wherein: the movable seat is provided with a pressing plate, and the pressing plate is provided with a guide groove for the inclined pushing block to slide in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335156.8A CN110000291B (en) | 2019-04-24 | 2019-04-24 | Outer bowl closing-in die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335156.8A CN110000291B (en) | 2019-04-24 | 2019-04-24 | Outer bowl closing-in die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110000291A CN110000291A (en) | 2019-07-12 |
| CN110000291B true CN110000291B (en) | 2024-05-24 |
Family
ID=67173958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910335156.8A Active CN110000291B (en) | 2019-04-24 | 2019-04-24 | Outer bowl closing-in die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110000291B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201012Y (en) * | 2007-12-20 | 2009-03-04 | 天津市东丽区宝兴机械有限公司 | Binding off mold of radiating apparatus leader |
| CN201389598Y (en) * | 2009-03-19 | 2010-01-27 | 葛明兴 | Hydraulic necking-in machine |
| KR20100109078A (en) * | 2009-03-31 | 2010-10-08 | 신성정밀공업주식회사 | Necking device and method of square can |
| CN102756046A (en) * | 2011-04-29 | 2012-10-31 | 南车戚墅堰机车车辆工艺研究所有限公司 | Closing tool for end socket of air cylinder |
| CN103894802A (en) * | 2014-04-21 | 2014-07-02 | 石家庄中兴机械制造有限公司 | Process for machining necked large-aperture slewing rings |
| CN105689558A (en) * | 2016-04-08 | 2016-06-22 | 苏州事达同泰汽车零部件有限公司 | Car exhausting pipe opening shrinking die |
| CN205463933U (en) * | 2016-03-14 | 2016-08-17 | 北京首航科学技术开发有限公司 | Binding off mould and go up mould thereof |
| CN108971359A (en) * | 2018-08-28 | 2018-12-11 | 北京蓝箭空间科技有限公司 | Plunger closing method and mold |
| CN209969376U (en) * | 2019-04-24 | 2020-01-21 | 圣路机械(嘉兴)制造有限公司 | External bowl closing die |
-
2019
- 2019-04-24 CN CN201910335156.8A patent/CN110000291B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201012Y (en) * | 2007-12-20 | 2009-03-04 | 天津市东丽区宝兴机械有限公司 | Binding off mold of radiating apparatus leader |
| CN201389598Y (en) * | 2009-03-19 | 2010-01-27 | 葛明兴 | Hydraulic necking-in machine |
| KR20100109078A (en) * | 2009-03-31 | 2010-10-08 | 신성정밀공업주식회사 | Necking device and method of square can |
| CN102756046A (en) * | 2011-04-29 | 2012-10-31 | 南车戚墅堰机车车辆工艺研究所有限公司 | Closing tool for end socket of air cylinder |
| CN103894802A (en) * | 2014-04-21 | 2014-07-02 | 石家庄中兴机械制造有限公司 | Process for machining necked large-aperture slewing rings |
| CN205463933U (en) * | 2016-03-14 | 2016-08-17 | 北京首航科学技术开发有限公司 | Binding off mould and go up mould thereof |
| CN105689558A (en) * | 2016-04-08 | 2016-06-22 | 苏州事达同泰汽车零部件有限公司 | Car exhausting pipe opening shrinking die |
| CN108971359A (en) * | 2018-08-28 | 2018-12-11 | 北京蓝箭空间科技有限公司 | Plunger closing method and mold |
| CN209969376U (en) * | 2019-04-24 | 2020-01-21 | 圣路机械(嘉兴)制造有限公司 | External bowl closing die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110000291A (en) | 2019-07-12 |
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