CN202763507U - Fixture with clamping range adjustable - Google Patents
Fixture with clamping range adjustable Download PDFInfo
- Publication number
- CN202763507U CN202763507U CN 201220438213 CN201220438213U CN202763507U CN 202763507 U CN202763507 U CN 202763507U CN 201220438213 CN201220438213 CN 201220438213 CN 201220438213 U CN201220438213 U CN 201220438213U CN 202763507 U CN202763507 U CN 202763507U
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- CN
- China
- Prior art keywords
- anchor clamps
- claw
- drive link
- fixture
- frame
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a fixture with clamping range adjustable. The fixture with the clamping range adjustable comprises a machine frame and a fixture assembly arranged on the machine frame, and further comprises a power transmission mechanism, wherein the power transmission mechanism comprises a fixture power source and a transmission rod. A lantern ring is fixedly arranged on a spiral plate and is matched with the head end of the transmission rod in a movable and sleeved mode, and a spiral groove is arranged in the lantern ring and is in guiding fit with a rotary guiding shaft. The fixture power source is in linkage fit with a sensing rod in the axial direction. At least one axial guiding convex rib is arranged at the head end of the transmission rod and corresponds to the back side of the rotary guiding shaft. A positioning sleeve in slipping fit with the guiding convex rib in the axial direction is sleeved on the transmission rod in a movable mode, and the positioning sleeve is located and fixed on the machine frame through adjusting pins. The fixture with the clamping range adjustable has the advantages that labor intensity is greatly relieved, clamping efficiency and unloading efficiency of workpieces are improved, automation development needs of numerical control machine tools are met, and the claming range is adjustable.
Description
Technical field
The utility model relates to a kind of anchor clamps, specifically refers to a kind of the folder apart from adjustable anchor clamps, applicable to numerically controlled lathe, instrument lathe and engine lathe etc.
Background technology
Need to adopt Three-jaw fixture that part is carried out clamping in the existing lathe, then carry out digital control processing.Its structure has generally comprised claw removable cover and helical disk, center on the claw removable cover is provided with through hole, and be separated by on the capping of this claw removable cover 120 ° and be evenly equipped with three walking rails that are communicated with through hole, slippage is provided with claw on every walking rail, and the back side of claw is provided with the spiral alveolar that cooperates with the helical disk spiral.It is by the rotation of helical disk, realize claw in the walking rail in opposite directions or relative sliding, realize clamping and the unloading of workpiece.Yet, the Three-jaw fixture of prior art, the rotation of its claw helical disk is to be provided with round tooth by the rim at the claw helical disk, and manually removes to act on round tooth on the claw helical disk by bevel gear, realizes the rotation of claw helical disk.The control mode of this transmission, labour intensity is high, clamping and unloading efficient are low, does not meet the demand for development of present Digit Control Machine Tool automation.
In addition, for instrument lathe, because the size of workpiece there are differences, for the workpiece of different size, the opening and closing degree of its anchor clamps (folder distance) is also naturally different, however traditional anchor clamps, its opening and closing degree (folder distance) can not be regulated, and therefore, traditional anchor clamps are difficult to the piece-holder of applicable different size.
Summary of the invention
The purpose of this utility model is the shortcoming and defect that exists in order to overcome prior art, drive claw with external power and move and provide, realize that the folder of clamping and unloading action and anchor clamps apart from regulating, presss from both sides apart from adjustable anchor clamps with a kind of of clamping of applicable different size workpiece.
For achieving the above object, the technical solution of the utility model is to include frame and the anchor clamps assembly that is arranged on the frame, this anchor clamps assembly includes claw removable cover and helical disk, the center of described claw removable cover is provided with through hole, and the capping of this claw removable cover is provided with at least two walking rails that are communicated with and connect the capping both sides with through hole, slippage is provided with claw on every walking rail, described helical disk rotates and is arranged in the claw removable cover, and be provided with annular groove on the card of this helical disk, the back side of claw is provided with the helical tooth that the annular groove with helical disk is linked, also include power drive mechanism, this power drive mechanism includes anchor clamps power source and drive link, be provided with the axis hole adaptive with drive link on the described frame, be provided with the rotation axis of guide corresponding with claw quantity on the sidewall of the head end of described drive link, be fixedly installed the collar of joining with the head end movable sleeve of drive link on the described helical disk, be provided with on this collar and rotate direct bearing to adaptive helicla flute, described anchor clamps power source and sensor bar axially are linked, the corresponding rear side that rotates the axis of guide of the head end of described drive link is provided with at least one axial guiding convex tendon, movable sleeve is provided with the positioning sleeve that cooperates with the convex tendon axial slip that leads on this drive link, and this positioning sleeve is fixed on the frame by regulating the pin location.
By this setting, the utility model is by arranging power drive mechanism, utilize the anchor clamps power source, directly or indirectly promote drive link and move axially, thereby drive the helical disk rotation so that rotate the axis of guide, and then drive the claw synchronizing moving on the rail of being expert at, consist of clamping and the dismounting action of workpiece, therefore, the utility model can greatly reduce labour intensity, improve clamping and the unloading efficient of workpiece, adapt to the automation development needs of Digit Control Machine Tool.In addition, the utility model is set to the relative distance of rotating between the axis of guide by positioning sleeve is set by regulating pin adjusting location, just can change the shift motion of claw, thereby realized the adjusting of folder distance, had easy to adjustly, and the various workpieces clamping of applicable different size is used.
Further arranging is that spiral fluted helical angle on the described collar is 50 degree, and the opening part that spiral fluted is positioned at collar outer end is 15-20 ° of inclined-plane setting.
Further arranging is to be provided with the pin-and-hole that is communicated with axis hole on the described frame, and described adjusting pin is trip bolt, and the periphery of described positioning sleeve is provided with the location latch that cooperates with trip bolt compression location.By this setting, so that the location of regulating between pin and the positioning sleeve cooperates reliable and stable.
Further arranging is that described anchor clamps power source is the cylinder that is fixed on the frame, the tail end movable sleeve of described drive link is provided with the interlock loop bar, the hinged swing span that is provided with on this interlock loop bar, described frame is fixedly installed lower carrier plate with respect to the below of swing span, one end of this swing span and the piston rod of cylinder are hinged, and the other end and the lower carrier plate of swing span are hinged.By this setting, utilize cylinder as the anchor clamps power source, flexible by the piston rod of cylinder, realize moving axially of interlock loop bar, and then the drive drive link moves the clamping of realization claw and unloading action.
Further arranging is that described claw has three, and accordingly, described walking rail also has three, and it is radial uniform to be 120 degree angles, and described guiding convex tendon has three.
The utility model has the advantages that: greatly reduce labour intensity, improve clamping and the unloading efficient of workpiece, the automation development needs that adapt to Digit Control Machine Tool, in addition, the utility model folder distance is adjustable, and easy to adjust, and the various workpieces clamping of applicable different size is used, in addition, the utility model can also improve the material of Workpiece Machining Accuracy and saving mold.
Below in conjunction with specification drawings and specific embodiments the utility model is done further introduction.
Description of drawings
Fig. 1 the utility model specific embodiment structural representation;
Fig. 2 the utility model specific embodiment partial structurtes explosive view;
Fig. 3 the utility model specific embodiment helical disk stereo amplification figure.
The specific embodiment
Below by embodiment the utility model is carried out concrete description; only be used for the utility model is further specified; can not be interpreted as the restriction to the utility model protection domain, the technician in this field can make some nonessential improvement and adjustment to the utility model according to the content of above-mentioned utility model.
The specific embodiment of the present utility model shown in Fig. 1-2; include frame 1 and the anchor clamps assembly 2 that is arranged on the frame; this anchor clamps assembly 2 includes claw removable cover 21 and helical disk 22; the center of described claw removable cover 21 is provided with through hole 211; and the capping of this claw removable cover 21 is provided with 3 walking rails 212 that are communicated with and connect the capping both sides with through hole; slippage is provided with claw 23 on every walking rail 212; certainly the quantity of this claw of the utility model can also be done corresponding the setting according to the clamping needs of workpiece; these all belong to the identical design of the application, should fall into the application's protection domain.
In addition, the present embodiment, described helical disk 22 rotates and is arranged in the claw removable cover 21, and be provided with annular groove 221 on the card of this helical disk 22, the back side of claw 23 is provided with the helical tooth 231 that the annular groove 221 with helical disk is linked, also include power drive mechanism 3, this power drive mechanism 3 includes anchor clamps power source 31 and drive link 32, be provided with the axis hole 11 adaptive with drive link on the described frame 1, be provided with the rotation axis of guide 321 corresponding with claw 23 quantity on the sidewall of the head end of described drive link 32, be fixedly installed the collar 222 of joining with the head end movable sleeve of drive link on the described helical disk 22, be provided with the helicla flute 223 adaptive with rotating the axis of guide 321 guiding on this collar 222, described anchor clamps power source 31 axially is linked with sensor bar, particularly, the described anchor clamps power source 31 of the present embodiment is for being fixed on the cylinder on the frame, the tail end movable sleeve of described drive link 32 is provided with interlock loop bar 33, the hinged swing span 34 that is provided with on this interlock loop bar 33, described frame 1 is fixedly installed lower carrier plate 12 with respect to the below of swing span, one end of this swing span 34 and the piston rod of cylinder are hinged, and the other end of swing span 34 and lower carrier plate 12 are hinged.
In order to realize the application's the adjustable purpose of folder distance, the corresponding rear side that rotates the axis of guide of the head end of the described drive link 32 of the present embodiment is provided with 3 axial guiding convex tendons 322, movable sleeve is provided with the positioning sleeve 36 that cooperates with convex tendon 322 axial slips that lead on this drive link 32, this positioning sleeve 36 is fixed on the frame by regulating pin 35 location, the present embodiment conduct particularly, be provided with the pin-and-hole 13 that is communicated with axis hole 11 on the described frame 1, described adjusting pin 35 is trip bolt, and the periphery of described positioning sleeve 36 is provided with the location latch 341 that cooperates with trip bolt compression location.
As shown in Figure 3, the helical angle of the helicla flute 223 on the described collar 222 of the present embodiment is 50 degree, and the opening part that is positioned at collar outer end 2231 of helicla flute 223 is 15-20 ° of inclined-plane setting.
Claims (6)
1. one kind presss from both sides apart from adjustable anchor clamps, include frame and the anchor clamps assembly that is arranged on the frame, this anchor clamps assembly includes claw removable cover and helical disk, the center of described claw removable cover is provided with through hole, and the capping of this claw removable cover is provided with at least two walking rails that are communicated with and connect the capping both sides with through hole, slippage is provided with claw on every walking rail, described helical disk rotates and is arranged in the claw removable cover, and be provided with annular groove on the card of this helical disk, the back side of claw is provided with the helical tooth that the annular groove with helical disk is linked, it is characterized in that: also include power drive mechanism, this power drive mechanism includes anchor clamps power source and drive link, be provided with the axis hole adaptive with drive link on the described frame, be provided with the rotation axis of guide corresponding with claw quantity on the sidewall of the head end of described drive link, be fixedly installed the collar of joining with the head end movable sleeve of drive link on the described helical disk, be provided with on this collar and rotate direct bearing to adaptive helicla flute, described anchor clamps power source and sensor bar axially are linked, the corresponding rear side that rotates the axis of guide of the head end of described drive link is provided with at least one axial guiding convex tendon, movable sleeve is provided with the positioning sleeve that cooperates with the convex tendon axial slip that leads on this drive link, and this positioning sleeve is fixed on the frame by regulating the pin location.
2. a kind of the folder apart from adjustable anchor clamps according to claim 1, it is characterized in that: the spiral fluted helical angle on the described collar is 50 degree, and the opening part that spiral fluted is positioned at collar outer end is 15-20 ° of inclined-plane setting.
3. a kind of the folder apart from adjustable anchor clamps according to claim 1, it is characterized in that: be provided with the pin-and-hole that is communicated with axis hole on the described frame, described adjusting pin is trip bolt, and the periphery of described positioning sleeve is provided with the location latch that cooperates with trip bolt compression location.
4. according to claim 1 and 2 or 3 described a kind of folders apart from adjustable anchor clamps, it is characterized in that: described anchor clamps power source is the cylinder that is fixed on the frame, the tail end movable sleeve of described drive link is provided with the interlock loop bar, the hinged swing span that is provided with on this interlock loop bar, described frame is fixedly installed lower carrier plate with respect to the below of swing span, one end of this swing span and the piston rod of cylinder are hinged, and the other end and the lower carrier plate of swing span are hinged.
5. a kind of the folder apart from adjustable anchor clamps according to claim 4, it is characterized in that: described claw has three, and accordingly, described walking rail also has three, and it is radial uniform to be 120 degree angles.
6. a kind of the folder apart from adjustable anchor clamps according to claim 5, it is characterized in that: described guiding convex tendon has three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220438213 CN202763507U (en) | 2012-08-30 | 2012-08-30 | Fixture with clamping range adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220438213 CN202763507U (en) | 2012-08-30 | 2012-08-30 | Fixture with clamping range adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763507U true CN202763507U (en) | 2013-03-06 |
Family
ID=47770106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220438213 Expired - Fee Related CN202763507U (en) | 2012-08-30 | 2012-08-30 | Fixture with clamping range adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742501A (en) * | 2013-11-28 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Multi-level supporting pin |
| CN105834770A (en) * | 2016-04-27 | 2016-08-10 | 曹正虎 | Clamp |
-
2012
- 2012-08-30 CN CN 201220438213 patent/CN202763507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742501A (en) * | 2013-11-28 | 2014-04-23 | 无锡市优耐特石化装备有限公司 | Multi-level supporting pin |
| CN105834770A (en) * | 2016-04-27 | 2016-08-10 | 曹正虎 | Clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130830 |