CN110421450A - A kind of workpiece pressuring clamping device - Google Patents
A kind of workpiece pressuring clamping device Download PDFInfo
- Publication number
- CN110421450A CN110421450A CN201910860504.3A CN201910860504A CN110421450A CN 110421450 A CN110421450 A CN 110421450A CN 201910860504 A CN201910860504 A CN 201910860504A CN 110421450 A CN110421450 A CN 110421450A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- briquetting
- down head
- connects
- hold
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Abstract
A kind of workpiece pressuring clamping device, there are 3 driving assemblies set gradually on bracket, have on the driving assembly on both sides and determines hold-down head, being located in the middle on driving assembly has dynamic hold-down head, the driving assembly on both sides can drive hold-down head of determining thereon to move downward compression to realize workpiece both ends, intermediate driving assembly can drive dynamic hold-down head thereon to realize the compression in workpiece centre region, and dynamic hold-down head can follow workpiece rotation.The present invention reduces processing cost while having many advantages, such as to improve processing efficiency compared with prior art.
Description
Technical field
The present invention relates to a kind of machinery processing apparatus more particularly to a kind of compression to compress.
Background technique
It in Mechanical processing of casting field, needs just to can enter the process segment by pretreatment after the cast molding of casting, and casts
The pretreatment of part includes the processes such as rough polishing, polishing, essence throwing, wherein and grinding process is very crucial process, currently, casting
Grinding process mainly uses intelligent polishing machine tool, and in practical bruting process, casting needs first to compress it polishes again, existing
Some pressing devices mainly pass through cylinder or hydraulic cylinder is directly connected to single hold-down head, and existing pressing device is in practical work
When work, due to by workpiece own form and lathe polishing space limited, the compression point of pressing device and near
Region cannot achieve polishing, especially for casting such as engine cylinder body or cylinder caps, when polishing, need other fixture, and
And change the positioning posture of workpiece, it is just able to achieve the polishing of rest position, this just makes troubles to actual processing, influences processing effect
Processing cost is increased while rate.
Summary of the invention
It is an object of the invention to provide a kind of workpiece pressuring clamping devices, cannot achieve compression point to solve existing pressing device
And the polishing of near zone, also need the technical issues of being equipped with fixture and changing positioning posture.
The specific technical solution of the present invention is as follows:
A kind of workpiece pressuring clamping device, including bracket, driving assembly, determine hold-down head and dynamic hold-down head, have on the bracket
There are 3 driving assemblies set gradually, has on the driving assembly on both sides and determine hold-down head, be located in the middle on driving assembly
With dynamic hold-down head, the driving assembly on the both sides can drive hold-down head of determining thereon to move downward to realize workpiece both ends
It compresses, the driving assembly of the centre can drive dynamic hold-down head thereon to realize the compression in workpiece centre region, described dynamic
Hold-down head can follow workpiece rotation.
Further, the driving component include cylinder, connector, guide rod, pin shaft, sliding bearing, limit plate and
Connecting plate, the cylinder are vertically set on bracket, and the piston end of cylinder sets connector, and the lower part of connector is T connector portion, institute
The top for stating guide rod sets T-slot corresponding with the lower part of connector, and the T connector portion of connector connects with the T-slot of guide rod,
The lower part of the guide rod connects with one end of connecting plate, and the connecting plate is fixed on the guide bar by the nut of its underpart, institute
It states guide rod and is located at connecting plate upper position and install sliding bearing, the radial part of the sliding bearing is arranged in the metal pedestal of bracket,
Realizing axially through the limit plate of upper part and lower part for sliding bearing limits, and limit plate is bolted on the metal of bracket
On seat, the outer wall of the guide rod has the guide groove being from top to bottom arranged in the shape of a spiral, the pin shaft setting vertical with guide rod
On guide groove, the both ends of pin shaft pass through the sliding bearing and by the metal seat supports on bracket, pin shaft by its nearby with
Above-mentioned metal pedestal is threadedly coupled screw in compression.
Further, it is described determine hold-down head include on mandrel A, briquetting A and pressing plate A, the mandrel A have one circle
The top of platform A, mandrel A are connected by bolt with the connecting plate other end of the driving component, and the lower part of the mandrel A connects pressure
Block A.
Further, there is a central through hole A on the briquetting A, the lower end of mandrel A protrude into central through hole A and with
Pressing plate A is connected by bolt, and pressing plate A realizes the limit downward to briquetting A, and there are two setting up and down for the upper end tool of the briquetting A
Spheric washer A, the upper end of top spheric washer A connects with the lower end rotary table A of mandrel A, the lower end of lower spherical washer A and pressure
The upper end of block A connects, to realize the limit upward to briquetting A.
Further, the dynamic hold-down head includes mandrel B, briquetting B, pressing plate B, radial bearing and thrust bearing, described
Mandrel B installs the first radial bearing and the second radial bearing setting up and down close to upper part position respectively, pacifies on the mandrel B
The spacer to connect with the lower end of the second radial bearing is filled, the thrust bearing to connect with the lower end of spacer, institute are installed on the mandrel B
State the rotary table B on mandrel B with one, the lower end of above-mentioned thrust bearing connects with the upper end of rotary table B, the connecting plate it is another
End sets mounting hole, and mandrel B and the first radial bearing, the second radial bearing, spacer and thrust bearing thereon are respectively provided with
In mounting hole, the lower end of first radial bearing connects with the annular table upper end in mounting hole, second radial bearing
Upper end connect with the annular table lower end in mounting hole, the inner ring of first radial bearing passes through internal gland and compresses, internal gland
It is bolted on the upper end of mandrel, the outer ring of second radial bearing is compressed by outer press cover, and outer press cover passes through bolt
It is fixed on the upper end of connecting plate；The lower part of the mandrel B connects briquetting B.
Further, there is a central through hole B on the briquetting B, the lower end of mandrel B protrude into central through hole B and with
Pressing plate B is connected by bolt, and pressing plate B realizes the limit downward to briquetting B, and there are two setting up and down for the upper end tool of the briquetting B
Spheric washer B, the upper end of top spheric washer B connects with the lower end rotary table B of mandrel B, the lower end of lower spherical washer B and pressure
The upper end of block B connects, to realize the limit upward to briquetting B.
Further, the connecting plate is bar shaped bent plate.
The present invention can be realized all positon polishing of many casting class workpiece such as engine cylinder body, cylinder cap, not will receive work
The limitation in part own form and lathe polishing space, especially compresses point and near zone is still able to achieve polishing, and existing
Technology is compared, and when polishing, is reduced while improving processing efficiency without other fixture without changing the positioning posture of workpiece
Processing cost.
Detailed description of the invention
Fig. 1 is schematic front view of the invention.
Fig. 2 is the driving assembly partial schematic diagram one of Fig. 1.
Fig. 3 is the driving assembly partial schematic diagram two of Fig. 1.
Fig. 4 is the A-A view of Fig. 1.
Fig. 5 is the guide rod schematic diagram of Fig. 1.
Fig. 6 is the D-D view of Fig. 1.
Fig. 7 is the C-C view of Fig. 1.
Fig. 8 is the B-B view of Fig. 1.
Specific embodiment
Next it just elaborates in conjunction with attached drawing to the present invention
A kind of workpiece pressuring clamping device as shown in Figure 1, including bracket 1, driving assembly 2, determine hold-down head 3 and dynamic hold-down head
4, there are on the bracket 13 driving assemblies 2 set gradually, have on the driving assembly on both sides and determine hold-down head 3, position
In having dynamic hold-down head 4 on intermediate driving assembly, the driving assembly on the both sides can drive thereon to determine hold-down head downward
The compression to realize workpiece both ends is moved, the driving assembly of the centre can drive dynamic hold-down head thereon to realize in workpiece
The compression in heart district domain, the dynamic hold-down head can follow workpiece rotation.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, driving assembly includes cylinder 201, connector 202, guide rod
203, pin shaft 204, sliding bearing 205, limit plate 206 and connecting plate 207a, the cylinder 201 are vertically set on bracket 1,
The piston end of cylinder sets connector 202, and the lower part of connector is T connector portion, and the top of the guide rod 203 is set and connector
The corresponding T-slot 2031 in lower part, the T connector portion of connector connect with the T-slot of guide rod, the lower part of the guide rod and connection
One end of plate 207 connects, and the connecting plate is fixed on the guide bar by the nut 5 of its underpart, and the guide rod is located at connecting plate
Upper position installs sliding bearing 205, and the radial part of the sliding bearing is arranged in the metal pedestal 101 of bracket, the axis of sliding bearing
Limit is realized to by the limit plate 206 of upper part and lower part, and limit plate is bolted in the metal pedestal of bracket, described
The outer wall of guide rod has the guide groove 2032 being from top to bottom arranged in the shape of a spiral, and pin shaft 204 setting vertical with guide rod exists
On guide groove, the both ends of pin shaft pass through the sliding bearing and are supported by the metal pedestal 101 on bracket, pin shaft by its nearby with
Above-mentioned metal pedestal is threadedly coupled screw 6 and compresses.
As shown in fig. 7, determining hold-down head includes having on mandrel A301, briquetting A302 and pressing plate A303, the mandrel A301
There is integrated rotary table A3011, the top of mandrel A is connected by bolt with the connecting plate 207b other end, and the lower part of the mandrel A connects
Meet briquetting A302, there is a central through hole A3021 on the briquetting A, the lower end of mandrel A protrude into central through hole A and with pressure
Plate A303 is connected by bolt, and pressing plate A realizes the limit downward to briquetting A, and there are two setting up and down for the upper end tool of the briquetting A
Spheric washer A304, the upper end of top spheric washer A connects with the lower end rotary table A of mandrel A, the lower end of lower spherical washer A
Connect with the upper end of briquetting A, to realize the limit upward to briquetting A.
As shown in figure 8, dynamic hold-down head includes mandrel B401, briquetting B402, pressing plate B403, radial bearing and thrust bearing
406, the mandrel B401 install setting up and down first radial bearing 4041 and second to mandrel close to upper part position respectively
4042 are held, the spacer 405 to connect with the lower end of the second radial bearing, installation and spacer on the mandrel B are installed on the mandrel B
The thrust bearing 406 that connects of lower end, there is on the mandrel B rotary table B4011 of one, the lower end of above-mentioned thrust bearing and circle
The upper end of platform B connects, and the other end of the connecting plate 207a sets mounting hole, mandrel B and the first radial bearing thereon,
Two radial bearings, spacer and thrust bearing are arranged in mounting hole, in the lower end and mounting hole of first radial bearing
2071 upper end of annular table connect, the upper end of second radial bearing connects with the annular table lower end in mounting hole, described
The inner ring of one radial bearing is compressed by internal gland 407, and internal gland is bolted on the upper end of mandrel, and described second is centripetal
The outer ring of bearing is compressed by outer press cover 408, and outer press cover is bolted on the upper end of connecting plate；The lower part of the mandrel B
Connect briquetting B402, there is on the briquetting B central through hole B4021, the lower end of mandrel B protrude into central through hole B and with
Pressing plate B403 is connected by bolt, and pressing plate B realizes the limit downward to briquetting B, and there are two above divide into the upper end tool of the briquetting B
The upper end of the spheric washer B409 set, top spheric washer B connect with the lower end rotary table B of mandrel B, under lower spherical washer B
End connects with the upper end of briquetting B, to realize the limit upward to briquetting B.
This workpiece pressuring clamping device determines hold-down head 3 and dynamic hold-down head 4 is all withdrawn under shutdown status；It is first when grinding workpieces
First, dynamic hold-down head is driven to move downward positioned at the cylinder of midway drive component 2, the central area of workpiece pressing is, it can be achieved that work
The polishing of the regions such as the two sides of part, dynamic hold-down head can follow workpiece autobiography, be conducive to each side of polishing workpiece；Polishing workpiece
When central area, the cylinder driving positioned at the driving assembly on both sides is determined hold-down head and is moved downward, and the two side areas of workpiece pressing is moved
Hold-down head resets, it can be achieved that the central area to workpiece is polished.In the driving assembly of this workpiece pressuring clamping device, cylinder driving guiding
While bar moves downward, it can rotate, it can be achieved that the connecting plate of guide rod lower part rotates, connecting plate rotates the change of angle just
The change of compacted position may be implemented, to realize the compacted position point for determining hold-down head or dynamic hold-down head according to different workpieces adjustment.
Claims (7)
1. a kind of workpiece pressuring clamping device, it is characterized in that: including bracket, driving assembly, determining hold-down head and dynamic hold-down head, the branch
There are 3 driving assemblies set gradually on frame, have on the driving assembly on both sides and determine hold-down head, be located in the middle driving
There is dynamic hold-down head, the driving assembly on the both sides can drive hold-down head of determining thereon to move downward to realize workpiece on component
The compression at both ends, the driving assembly of the centre can drive dynamic hold-down head thereon to realize the compression in workpiece centre region,
The dynamic hold-down head can follow workpiece rotation.
2. workpiece pressuring clamping device according to claim 1, it is characterized in that: the driving component includes cylinder, connector, leads
To bar, pin shaft, sliding bearing, limit plate and connecting plate, the cylinder is vertically set on bracket, and the piston end of cylinder sets company
The lower part of connector, connector is T connector portion, and the top of the guide rod sets T-slot corresponding with the lower part of connector, connector
T connector portion connect with the T-slot of guide rod, the lower part of the guide rod connects with one end of connecting plate, which passes through
The nut of its underpart is fixed on the guide bar, and the guide rod is located at connecting plate upper position and installs sliding bearing, the sliding bearing
Radial part be arranged in the metal pedestal of bracket, sliding bearing axially through the limit plate of upper part and lower part realize limit,
Limit plate is bolted in the metal pedestal of bracket, and the outer wall of the guide rod has from top to bottom to be arranged in the shape of a spiral
Guide groove, the pin shaft vertical with guide rod are arranged on guide groove, and the both ends of pin shaft pass through the sliding bearing and by bracket
Metal seat supports, pin shaft nearby with above-mentioned metal pedestal is threadedly coupled screw in compression by it.
3. workpiece pressuring clamping device according to claim 2, it is characterized in that: it is described determine hold-down head include mandrel A, briquetting A with
And there is the rotary table A of one on pressing plate A, the mandrel A, the top of mandrel A passes through the connecting plate of bolt and the driving component
The other end connects, and the lower part of the mandrel A connects briquetting A.
4. workpiece pressuring clamping device according to claim 3, it is characterized in that: having a central through hole A, core on the briquetting A
The lower end of axis A is protruded into central through hole A and is connected with pressing plate A by bolt, and pressing plate A realizes the limit downward to briquetting A, institute
The upper end tool of briquetting A is stated there are two spheric washer A setting up and down, under the upper end of top spheric washer A and the rotary table A of mandrel A
End connects, and the lower end of lower spherical washer A connects with the upper end of briquetting A, to realize the limit upward to briquetting A.
5. workpiece pressuring clamping device according to claim 1-4, it is characterized in that: the dynamic hold-down head include mandrel B,
Briquetting B, pressing plate B, radial bearing and thrust bearing, the mandrel B install setting up and down close to upper part position respectively
One radial bearing and the second radial bearing install the spacer to connect with the lower end of the second radial bearing, the core on the mandrel B
The thrust bearing to connect with the lower end of spacer is installed on axis B, there is the rotary table B of one on the mandrel B, above-mentioned thrust bearing
Lower end connects with the upper end of rotary table B, and the other end of the connecting plate sets mounting hole, mandrel B and thereon first to mandrel
It holds, the second radial bearing, spacer and thrust bearing are arranged in mounting hole, the lower end of first radial bearing and installation
Annular table upper end in hole connects, and the upper end of second radial bearing connects with the annular table lower end in mounting hole, and described
The inner ring of one radial bearing is compressed by internal gland, and internal gland is bolted on the upper end of mandrel, and described second to mandrel
The outer ring held is compressed by outer press cover, and outer press cover is bolted on the upper end of connecting plate；The lower part of the mandrel B connects pressure
Block B.
6. workpiece pressuring clamping device according to claim 5, it is characterized in that: having a central through hole B, core on the briquetting B
The lower end of axis B is protruded into central through hole B and is connected with pressing plate B by bolt, and pressing plate B realizes the limit downward to briquetting B, institute
The upper end tool of briquetting B is stated there are two spheric washer B setting up and down, under the upper end of top spheric washer B and the rotary table B of mandrel B
End connects, and the lower end of lower spherical washer B connects with the upper end of briquetting B, to realize the limit upward to briquetting B.
7. workpiece pressuring clamping device described according to claim 1 or 2 or 3 or 4 or 6, it is characterized in that: the connecting plate is that bar shaped is curved
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860504.3A CN110421450A (en) | 2019-09-11 | 2019-09-11 | A kind of workpiece pressuring clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860504.3A CN110421450A (en) | 2019-09-11 | 2019-09-11 | A kind of workpiece pressuring clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110421450A true CN110421450A (en) | 2019-11-08 |
Family
ID=68418050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860504.3A Pending CN110421450A (en) | 2019-09-11 | 2019-09-11 | A kind of workpiece pressuring clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110421450A (en) |
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| JP3150289U (en) * | 2009-02-23 | 2009-05-07 | エスアールエンジニアリング株式会社 | Clamping device |
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| CN203956582U (en) * | 2013-11-25 | 2014-11-26 | 重庆市璧山爱华有限责任公司 | Drilling machine vertical clamping mechanism |
| CN206084504U (en) * | 2016-07-29 | 2017-04-12 | 商丘金振源电子科技有限公司 | A tool for highlight processing technology |
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2019
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