CN105150097A - Mold collar machining clamp - Google Patents
Mold collar machining clamp Download PDFInfo
- Publication number
- CN105150097A CN105150097A CN201510479527.1A CN201510479527A CN105150097A CN 105150097 A CN105150097 A CN 105150097A CN 201510479527 A CN201510479527 A CN 201510479527A CN 105150097 A CN105150097 A CN 105150097A
- Authority
- CN
- China
- Prior art keywords
- clamping
- collar
- screw rod
- clamp
- taper head
- 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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the field of collar outer circle machining inner hole clamps, and particularly discloses a mold collar machining clamp. The mold collar machining clamp is characterized by comprising a supporting frame, a clamping mechanism and a hydraulic cylinder; the clamping mechanism comprises a clamping jaw, a taper head, a threaded rod in threaded connection with the taper head, and a rack; a gear is arranged at the lower portion of the threaded rod, the rack is engaged with the rack, and the end of the rack is connected with a piston rod of the hydraulic cylinder; the threaded rod is located on the central axis of the clamping jaw; the clamping jaw is composed of at least two clamping rods, the middles of the clamping rods are connected with the supporting frame in a pivoted manner, and clamping heads are arranged at the ends of the clamping rods; and the supporting frame is provided with a limiting rod preventing the clamping heads from rotating along with the threaded rod, and the limiting rod penetrates the clamping heads. The clamp has the beneficial effect of being fast in collar clamping.
Description
Technical field
The present invention relates to collar Excircle machining internal clamp field, be specifically related to a kind of for mould collar clamp for machining.
Background technology
Mould, in industrial production in order to injection moulding, blowing, extrude, various mould and instrument that the method such as die casting or forging forming, smelting, punching press obtains required product.In brief, mould is used to the instrument of formed article, and this instrument is made up of various part, and different moulds is made up of different parts.It realizes the processing of article profile mainly through the change of institute's moulding material physical state.Have the title of " mother of industry ".
Usual mould makes blank become the collar having given shape and size under external force.Be widely used in stamping-out, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and in the compression moulding of goods such as engineering plastics, rubber, pottery or the formed machining of injection moulding.Mould has specific profile or cavity shape, and the contour shape that application has cutting edge can make blank be separated (stamping-out) by outline line shape.Application cavity shape can make blank obtain corresponding three-dimensional shape.Mould generally comprises dynamic model and cover half (or punch and die) two parts, the two partable.Take out product time separately, make blank inject mold cavity when closing up and be shaped.Mould is precision instrument, complex-shaped, bears the expansive force of blank, all has higher requirements to structural strength, rigidity, case hardness, surface roughness and machining accuracy, and the development level that mould is produced is one of important symbol of machine-building level.
In Making mold, in order to ensure the stable movement of dynamic model and direction accurate, to avoid in mold work process, because the reasons such as vibration cause dynamic model bumpy motion and direction of motion inaccuracy, in mould, being usually provided with lead.Lead fixing in, in order to ensure the convenient fixing of lead, usually can be designed with collar in a mold, by collar, lead is fixed.
In order to improve collar fixing precisely lead, usually need to carry out grinding deburring to collar.
When current collar grinds on grinding machine, fixing to rising by clamp, realize fixing collar.For the grinding of small-sized collar, clamp can also adapt to, but for large-scale collar, common collar can not meet the clamping to collar, because the clamp of the larger then corresponding clamping of collar is larger, large-scale clamp is heavier owing to conducting oneself with dignity, inconvenient in use, reduce clamping speed, clamp is larger in addition then proposes higher requirement to the manufacture of clamp.
Now be badly in need of the fixture of the large-scale collar of a kind of energy Quick-clamped as can be seen here.
Summary of the invention
The object of the present invention is to provide the fixture of the large-scale collar of a kind of energy Quick-clamped.
For achieving the above object, technical scheme of the present invention is as follows:
The base case that this programme provides is: for mould collar clamp for machining, comprise bracing frame, clamp system and hydraulic cylinder, described clamp system comprises jaw, taper head, the screw rod be threaded with taper head and tooth bar, the bottom of described screw rod is provided with gear, rack and pinion engages, and the end of tooth bar is connected with the piston rod of hydraulic cylinder; Screw rod is positioned on the axis of jaw; Described jaw is made up of at least two clamping bars, the middle part of this clamping bar and bracing frame pivot joint, and the end of clamping bar is provided with chuck, and support frame as described above is provided with the gag lever post preventing chuck from together rotating with screw rod, and this gag lever post runs through chuck.
Operation principle and the advantage of this programme are: the piston rod on hydraulic cylinder pulls tooth bar, rack drives pinion rotation and then make bolt rotary, bolt rotary forces taper head to move along the axial line of jaw, the clamping bar ends contact of taper head and jaw, taper head continues motion, because the end of clamping bar is extruded by taper head, clamping bar is forced to rotate, now chuck moves with clamping bar, and chuck contacts with the endoporus hole wall of collar, and by clip.Now stop pinion rotation, when after collar completion of processing, piston rod reverse push carry-over bar, makes tooth bar counter motion, and taper head moves along opposite direction before, and the extruding of taper head to clamping bar weakens, until chuck leaves from the endoporus hole wall of collar, is taken away by collar.Job step before repetition, continues the follow-up collar of processing.
For large-scale collar, this fixture realizes the motion of taper head by tooth bar motion, by the swing of jaw, chuck is clamped to collar.This fixture is using hydraulic cylinder as power, and the motion of the telescopic band carry-over bar of piston rod and then the motion of control chuck, realize the clamping of collar and relax, and relies on large-scale jig clamping collar, have clamping speed fast, the feature that manufacture difficulty is little relative to tradition.
Preferred version one: based on the preferred version of scheme, the top of described screw rod is provided with block, and avoid screw rod in rotation process, taper head comes off from screw rod.
Preferred version two: based on the preferred version of scheme or preferred version one: described screw flight portion is double thread, and in the process that screw rod rotates, taper head translational speed is very fast.
Preferred version three: the preferably preferred version of two: described chuck is spherical, and the output shaft of described motor is connected by shaft coupling with screw rod, the tapering of described taper head is 1:2-5.Chuck is spherical in shape, and making during the contact internal walls of chuck and collar is point cantact, and chuck not easily occurs that stress is concentrated.The tapering of taper head is 1:2-5, processing of being more convenient for.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for mould collar clamp for machining embodiment.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: bracing frame 10, gag lever post 11, clamp system 20, jaw 21, taper head 22, screw rod 23, gear 24, tooth bar 25, block 26, clamping bar 27, chuck 28, hydraulic cylinder 29, collar 30.
Embodiment is substantially as shown in Figure 1: for mould collar clamp for machining, comprise bracing frame 10, clamp system 20 and hydraulic cylinder 29, clamp system 20 comprises jaw 21, taper head 22, the screw rod 23 be threaded with taper head 22 and tooth bar 25, the bottom of screw rod 23 is provided with the gear 24 connected by key, tooth bar 25 engages with gear 24, and the right part of tooth bar 25 is welded with the piston rod of hydraulic cylinder 29; Screw rod 23 is positioned on the axis of jaw 21.
Bracing frame 10 is welded by rectangular steel pipe, rectangular steel pipe due to cross section be rectangle, weld time more convenient, bracing frame 10 is welded with a gag lever post 11, this gag lever post 11 runs through taper head 22.In the process that gag lever post 11 1 aspect prevents screw rod 23 from rotating, taper head 22 together rotates with screw rod 23, play the guiding role on the other hand to the motion of taper head 22.
Jaw 21 is made up of four clamping bars 27, wherein the middle part of each jaw clamping bar 27 respectively with bracing frame 10 pivot joint, the upper end of clamping bar 27 is welded with chuck 28, and this chuck 28 is spherical.
Screw thread on screw rod 23 is double thread, and the top of screw rod 23 is welded with rounded stops 26, and the tapering of taper head 22 is 1:2, and the large end of taper head down.
During concrete enforcement: the piston rod on hydraulic cylinder 29 pulls tooth bar 25, tooth bar 25 driven gear 24 rotates and then screw rod 23 is rotated, screw rod 23 rotates and forces taper head 22 to move up along the axial line of jaw 21, clamping bar 27 ends contact of taper head 22 and jaw 21, taper head 22 continues motion, because the end of clamping bar 27 is extruded by taper head 22, clamping bar 27 is forced to rotate, now chuck 28 moves with clamping bar 27, and chuck 28 contacts with the endoporus hole wall of collar 30, and is clamped by collar 30.Now quit work, when after collar 30 completion of processing, piston rod promotes tooth bar 25 makes screw rod 23 reverse, taper head 22 moves down along the axial line of jaw 21, the extruding of taper head 22 pairs of clamping bars 27 weakens, until chuck 28 leaves from the endoporus hole wall of collar 30, is taken away by collar 30.Job step before repetition, continues the follow-up collar 30 of processing.
For large-scale collar 30, this fixture realizes the motion of taper head 22 by tooth bar 25 motion, by the swing of jaw 21, chuck 28 pairs of collars 30 is clamped.This fixture pulls tooth bar 25 to move by piston rod and then makes screw rod 23 realize forward and backward, and then realizes the clamping of jaw 21 pairs of collars 30 and relax, and relies on large-scale jig clamping collar 30, have clamping speed fast, the feature that manufacture difficulty is little relative to tradition.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. for mould collar clamp for machining, it is characterized in that, comprise bracing frame, clamp system and hydraulic cylinder, described clamp system comprises jaw, taper head, the screw rod be threaded with taper head and tooth bar, the bottom of described screw rod is provided with gear, rack and pinion engages, and the end of tooth bar is connected with the piston rod of hydraulic cylinder; Screw rod is positioned on the axis of jaw; Described jaw is made up of at least two clamping bars, the middle part of this clamping bar and bracing frame pivot joint, and the end of clamping bar is provided with chuck, and support frame as described above is provided with the gag lever post preventing chuck from together rotating with screw rod, and this gag lever post runs through chuck.
2. according to claim 1ly it is characterized in that for mould collar clamp for machining, the top of described screw rod is provided with block.
3. according to claim 1 and 2ly it is characterized in that for mould collar clamp for machining, described screw flight portion is double thread.
4. according to claim 3ly it is characterized in that for mould collar clamp for machining, described chuck is spherical, and the output shaft of described motor is connected by shaft coupling with screw rod, and the tapering of described taper head is 1:2-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479527.1A CN105150097A (en) | 2015-08-07 | 2015-08-07 | Mold collar machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479527.1A CN105150097A (en) | 2015-08-07 | 2015-08-07 | Mold collar machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105150097A true CN105150097A (en) | 2015-12-16 |
Family
ID=54791293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510479527.1A Pending CN105150097A (en) | 2015-08-07 | 2015-08-07 | Mold collar machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105150097A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570382A (en) * | 2017-09-30 | 2018-01-12 | 芜湖谱瑞电子科技有限公司 | A kind of print nest of modified LED aluminum base plate |
| CN108356702A (en) * | 2018-01-30 | 2018-08-03 | 徐州同乐管业有限公司 | Two-way taper metal pepe gripper |
| CN109940423A (en) * | 2019-04-02 | 2019-06-28 | 钱贝贝 | It is a kind of to be conducive to avoid the Production of bearing of rebound with fixed device |
| CN114102325A (en) * | 2021-12-10 | 2022-03-01 | 徐州博诺威机械设备有限公司 | Grinding detects integrative processing device after steel casting weld repair |
-
2015
- 2015-08-07 CN CN201510479527.1A patent/CN105150097A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570382A (en) * | 2017-09-30 | 2018-01-12 | 芜湖谱瑞电子科技有限公司 | A kind of print nest of modified LED aluminum base plate |
| CN108356702A (en) * | 2018-01-30 | 2018-08-03 | 徐州同乐管业有限公司 | Two-way taper metal pepe gripper |
| CN109940423A (en) * | 2019-04-02 | 2019-06-28 | 钱贝贝 | It is a kind of to be conducive to avoid the Production of bearing of rebound with fixed device |
| CN114102325A (en) * | 2021-12-10 | 2022-03-01 | 徐州博诺威机械设备有限公司 | Grinding detects integrative processing device after steel casting weld repair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151216 |