CN202639127U - Floating clamp - Google Patents
Floating clamp Download PDFInfo
- Publication number
- CN202639127U CN202639127U CN 201220282313 CN201220282313U CN202639127U CN 202639127 U CN202639127 U CN 202639127U CN 201220282313 CN201220282313 CN 201220282313 CN 201220282313 U CN201220282313 U CN 201220282313U CN 202639127 U CN202639127 U CN 202639127U
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- lower jaw
- mentioned
- spring
- jaw
- adjusting bolt
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Abstract
The utility model discloses a floating clamp and belongs to the technical field of machinery. The floating clamp solves the problems that the existing clamp is easily bent and deformed, so that during the process of stamping, impacting is repeatedly generated so that clamping pressure of an air cylinder is out of work, and therefore, machining errors are large and even machining can not be achieved. The floating clamp comprises an upper jaw, a lower jaw and an air cylinder, wherein the air cylinder is used for driving the upper jaw and the lower jaw to clamp, the upper jaw is hinged with the lower jaw, an adjusting bolt is arranged on the tail end of the lower jaw in penetrating and hanging mode, a pad iron seat is connected with the bottom end of the adjusting bolt, the edge place of the inner end of the pad iron seat is hinged with the lower jaw, a first spring is arranged between the outer end of the pad iron seat and the lower jaw in hanging mode, a second spring is sleeved on the upper end of the adjusting bolt, the bottom end of the second spring is against the lower jaw, and the top end of the second spring is against the head portion of the adjusting bolt. A floating structure is arranged on the floating clamp in additional mode, a lever principle is utilized, and gripping intensity is improved, so that reliability, stability and durability are enhanced. The floating clamp is particularly suitable for thick plates.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of clamp, particularly a kind of floating clamp.
Background technology
Numerical control press is the abbreviation of numerically controlled punching machine, is a kind of automated machine tool that program control system is housed.This control system can logically be processed has control coding or other symbolic instruction regulated procedures, and with its decoding, thereby make punch press action and processing parts.
Along with the development of science and technology, the extensive use of mechanization transport model that matches with punch press, and become or indispensable pith.Wherein the pay-off in the numerical control press is generally used for plate, sheet material body are carried.In present stage, the numerical-control feed machine is masterly for sending to of thin plate, but exists action effect not good for the hitch feed of slab, or simply can't realize the problems such as punch process of slab.
Its reason is existing common feeder clamp structure as shown in Figure 1, its clamping to thin plate is respond well, because than light sheet although flexural deformation being arranged, but its flexural deformation can recover during punching course, cylinder can be controlled its impact that causes in other words, but the common clamp of this kind seems when running into slab and has been pale and weak.Because the flexural deformation of slab sheet material is irreversible to a certain extent, in punching course, sheet material transmits the immense pressure of forcing press, through sheet material cylinder is applied repeatedly impact, cylinder pressure lost efficacy easily, and then sheet material just lost control, the consequence that causes sheet material to come off in punch process.Even should change the cylinder of larger model by existing clamp structure, even increase the quantity of clamp, still can't change, existing common clamp can't clamp under slab is processed occasion thus.
Yet in modern industry, the processing mode of increasing slab has changed numerical control press into, and is higher to the requirement of numerical control press manufacturer like this, requires to create the clamp that is more suitable for the slab punching press.
The utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, a kind of cooperatively interacting by articulated structure and spring structure proposed, thereby when being subjected to upper and lower impulsive force, realize the unsteady and impact-absorbing energy of buffer displacement, reach the floating clamp of firm clamping effect.
The purpose of this utility model can realize by following technical proposal: a kind of floating clamp, comprise upper jaw, the cylinder of lower jaw and both holding actions of driving, described upper jaw and lower jaw are and are hinged and connected, it is characterized in that, be on the tail end of described lower jaw and run through the vertical adjusting bolt that is provided with, the bottom of described adjusting bolt is connected with the parallels seat, and inner edge and the above-mentioned lower jaw of described parallels seat are hinged, hang down between the outer end of described parallels seat and the above-mentioned lower jaw and establish spring one, the upper end of described adjusting bolt is arranged with spring two, and the bottom of described spring two is against above-mentioned lower jaw, and its top is against the head of above-mentioned adjusting bolt.
This floating clamp can be widely used in the pay-off of numerical control press, and it is fixed on the Y-workbench by the parallels seat, and can be as required uniform arrangement several are installed.Further the leading screw by the Y-workbench drives along the Y-direction translation, also can drive whole Y-workbench by the X-workbench simultaneously and move along X-direction, finishes thus the operation to plate.The front end of upper jaw and lower jaw is the clamping working end, and its tail end is floating end, and is positioned at the spring one of tail end and spring two and all belongs to spring under the compressive state.So firm clamping plate of front end by upper jaw and lower jaw, when carrying out punch process, if the flexural deformation of plate forms a power that makes progress to this floating clamp, clamping working end perk up this moment, hinged because of parallels seat and lower jaw, so floating end sinks, spring is once compressed, and cylinder can not be extruded, so upper jaw and lower jaw are still controlled plate.After punch process finished, spring restPosed first, and this process is the mechanism for upwards floating just.If the flexural deformation of plate forms a downward power to this floating clamp, this moment, the clamping working end reduced down, because of parallels seat and lower jaw hinged, so floating end rises, spring two is just compressed, and cylinder can not be extruded, so upper jaw and lower jaw are still controlled plate.After punch process finished, second spring restPosed, and this process just is the mechanism of floating downwards.
In above-mentioned floating clamp, vertically offer installing hole on the end face of described parallels seat, described spring one stands in the above-mentioned installing hole vertically, and stretch out spring one upper end and with above-mentioned lower jaw against.The corresponding coupling of external diameter specification of the internal diameter specification of installing hole and spring one so that spring one slit of distance is little and suitable between the two after being arranged in the installing hole, it is firm to be beneficial to thus spring one holding capacity vertically, is unlikely under pressure deflection to occur and loses efficacy.
In above-mentioned floating clamp, the quantity of described spring one is two, and the quantity of described installing hole is two, and two installing holes are the uniform arrangement in the left and right sides.Two springs one that are symmetrical set can be divided stamping press equally simultaneously, make the caliper stress equalization, and floating displacement are steady.
In above-mentioned floating clamp, described spring one is sheathed on the above-mentioned adjusting bolt, and its lower end and above-mentioned parallels seat against, its upper end and above-mentioned lower jaw against.The corresponding coupling of external diameter specification of the internal diameter specification of spring one and adjusting bolt, the slit of distance is little and suitable between the two after the periphery of adjusting bolt so that spring one is sheathed on, it is firm to be beneficial to thus spring one holding capacity vertically, is unlikely under pressure deflection occurs and loses efficacy; Guarantee simultaneously spring one in that slippage is stable and smooth relatively by compression or under the state that discharges, and do not produce between the perisporium of adjusting bolt and hinder friction.
In above-mentioned floating clamp, described lower jaw is " Η " type cross section body, and described parallels seat is embedded in the cavity down of above-mentioned " Η " type cross section body, and described upper jaw is embedded in the cavity up of above-mentioned " Η " type cross section body.The outer wall of parallels seat is affixed with the two side of cavity down and can relative slippage, down cavity to embed parallels seat in it have take in, locate, the effect such as guiding, make thus the Relative Floating displacement between parallels seat and the lower jaw more accurate, more steady, more direct effectively.
In above-mentioned floating clamp, the front end place of described upper jaw and lower jaw is along laterally running through bearing pin one, and described bearing pin one all connects the sidewall of the cavity up that wears above-mentioned upper jaw and lower jaw; The inner of described parallels seat is along laterally running through bearing pin two, and the equal correspondence in the two ends of described bearing pin two wears the sidewall of the cavity down that stretches out above-mentioned lower jaw.Upper jaw can form the radian rotation by relative lower jaw around the axis of bearing pin one; Lower jaw can form the radian rotation by relative parallels seat around the axis of bearing pin two
In above-mentioned floating clamp, described cylinder is fixedly arranged on the tail end end face of above-mentioned upper jaw, offers through hole on the position of the corresponding cylinder of described upper jaw, and described cylinder stretches out the expansion link that can pass above-mentioned through hole and lean above-mentioned lower jaw down.During clamping action, the bottom surface of cavity up of the decline of air cylinder driven expansion link and conflict lower jaw, it is hinged to be positioned at the front end place by upper jaw and lower jaw, so under the promotion of expansion link, so that rise around the pin joint radian in the rear end of upper jaw, and the work termination of the upper jaw of pin joint front end pressed down and carry out clamping action.
In above-mentioned floating clamp, offer screwed hole on the end face of described parallels seat, described adjusting bolt can correspondence be arranged in formation threaded engagement connection in the above-mentioned screwed hole.The rotation adjusting bolt can be controlled its overhanging height, and the thus tensioning degree of regulating spring one and spring two, and interaction force is between the two followed variation, namely the lower jaw of sandwiched between spring one and the spring two is realized the adjustment of horizontal level.
In above-mentioned floating clamp, the front end of described upper jaw and lower jaw, and have on the two relative medial surfaces up and down and be continuous zigzag clamping end face.This continuous zigzag clamping end face can increase the coefficient of friction of clamping plate contact-making surface, thereby makes clamping action stronger, reliable, firm.
In above-mentioned floating clamp, described parallels seat has for the installation portion that is connected with workbench.The height value of parallels seat makes parallels seat bottom protrude the edge of cavity down greater than the depth value of cavity down, is beneficial to thus the installation of parallels seat, and the required height of floating displacement of lower jaw tail end is provided.
Compared with prior art, this floating clamp is arranged to caliper and parallels seat to be hinged and connected, and cooperates simultaneously the spring structure with buffering and absorbability energy, thereby forms lever principle.Because the clamping plate has flexural deformation, and when punch process to caliper front end (clamping working end) be applied with, lower impulsive force, lever principle by said structure formation, make the caliper backend synchronization do corresponding floating displacement, and then shifted the direct extruding of impulsive force to cylinder, guarantee thus the lasting clamping action to plate; Further promoted the dynamics of clamping, its reliability, stationarity and persistence are strengthened; The utility model structure understands simultaneously, is easy to make, and is convenient to apply in feeding mechanical device, has the very strong market competitiveness.
Description of drawings
Fig. 1 is the perspective view of prior art clamp.
Fig. 2 is the perspective view of this floating clamp.
Fig. 3 is the perspective view of another angle of this floating clamp.
Fig. 4 is the fitting plane structural representation of this floating clamp.
Among the figure, 1, upper jaw; 2, lower jaw; 3, cylinder; 4, adjusting bolt; 5, parallels seat; 6, spring one; 7, spring two; 8, bearing pin one; 9, bearing pin two; 10, clamping end face; 11, Y-workbench; 12, X-workbench.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment one
Such as Fig. 2, Fig. 3 and shown in Figure 4, this floating clamp comprises upper jaw 1, lower jaw 2 and drives the cylinder 3 of both holding actions, and upper jaw 1 and lower jaw 2 are and are hinged and connected, and the front end of upper jaw 1 and lower jaw 2 is the clamping working end, and its tail end is floating end.
Lower jaw 2 is " Η " type cross section body, upper jaw 1 is embedded in the cavity up of this " Η " type cross section body, upper jaw 1 and lower jaw 2 are up and down and are set up in parallel thus, and the front end place of upper jaw 1 and lower jaw 2 is by the horizontal sidewall that all connects the cavity up that wears upper jaw 1 and lower jaw 2 in bearing pin one 8 edges, so that upper jaw 1 can rotate by relative lower jaw 2 formation radians around the axis of bearing pin 1.Cylinder 3 is fixedly arranged on the tail end end face of upper jaw 1, and the position of the corresponding cylinder 3 in the tail end place of upper jaw 1 offers through hole, and cylinder 3 stretches out expansion link down, and this expansion link can pass through hole corresponding on the tail end and rely on the bottom surface of cavity up of lower jaw 2.During clamping action, cylinder 3 drives the bottom surface of cavity up of expansion link decline and conflict lower jaw 2, it is hinged to be positioned at the front end place by upper jaw 1 and lower jaw 2, so under the promotion of expansion link, so that rise around the pin joint radian in the rear end of upper jaw 1, and the work termination of the upper jaw 1 of pin joint front end pressed down and carry out clamping action.
Running through hangs down is provided with adjusting bolt 4 in order to be on the tail end of " Η " type cross section body for lower jaw 2, and the lower end of adjusting bolt 4 is stretched into down in the cavity, and its upper end wears out cavity up, and the bottom of adjusting bolt 4 is connected with parallels seat 5.Offer screwed hole on the end face of parallels seat 5, adjusting bolt 4 correspondences are arranged in and form the threaded engagement connection in this screwed hole.On the end face of parallels seat 5 and be positioned at outer distolateral two installing holes that vertically offer, these two installing holes are the uniform arrangement in the left and right sides, two springs 1 separately correspondence stand in two installing holes vertically, and the lower end of two springs 1 is all at the bottom of the hole of installing hole, and its upper end is stretched out and all is resisted against the end face of cavity down.The corresponding coupling of external diameter specification of the internal diameter specification of installing hole and spring 1, so that spring 1 slit of distance is little and suitable between the two after being arranged in the installing hole, it is firm to be beneficial to thus spring 1 holding capacity vertically, is unlikely under pressure deflection occurs and loses efficacy.Symmetrical two springs 1 are set can divide stamping press equally simultaneously, make the caliper stress equalization, and floating displacement is steady.The upper end of adjusting bolt 4 is arranged with spring 27, and the bottom of spring 27 is against the bottom surface of cavity up, and its top is against the head of adjusting bolt 4.The corresponding coupling of external diameter specification of the internal diameter specification of spring 27 and adjusting bolt 4, the slit of distance is little and suitable between the two after the periphery of adjusting bolt 4 so that spring 27 is sheathed on, it is firm to be beneficial to thus spring 27 holding capacity vertically, is unlikely under pressure deflection occurs and loses efficacy; Guarantee simultaneously spring 27 in that slippage is stable and smooth relatively by compression or under the state that discharges, and do not produce between the perisporium of adjusting bolt 4 and hinder friction.Spring 1 in the present embodiment and spring 27 all belong to the spring under the compressive state.
Parallels seat 5 is embedded in the cavity down of " Η " type cross section body, and the height value of parallels seat 5 makes parallels seat 5 bottoms protrude the edge certain altitude of cavity down greater than the depth value of cavity down.The inner of parallels seat 5 is along laterally running through bearing pin 29, the equal correspondence in the two ends of bearing pin 29 wears stretches out the sidewall of cavity down, parallels seat 5 forms hinged with lower jaw 2 thus, simultaneously the outer wall of parallels seat 5 is affixed with the two side of cavity down and can relative slippage, and namely lower jaw 2 can rotate by relative parallels seat 5 formation radians around the axis of bearing pin 29.The cavity down of lower jaw 2 to embed parallels seat 5 in it have take in, locate, the effect such as guiding, make thus the Relative Floating displacement between parallels seat 5 and the lower jaw 2 more accurate, more steady, more direct effectively.Parallels seat 5 also has for the installation portion that is connected with workbench.
The front end of upper jaw 1 and lower jaw 2, it is the clamping working end, and have on the two relative medial surfaces up and down and be continuous zigzag clamping end face 10, this clamping end face 10 can increase the coefficient of friction of clamping plate contact-making surface, thereby makes clamping action stronger, reliable, firm.
The concrete mounting means of this floating clamp is: at first, parallels seat 5 is installed on the clamp fixed head of feeder, then two spring one 6 correspondences are put in the installing hole on the parallels seat 5, then with bearing pin 29 lower jaw 2 is hinged on the parallels seat 5, simultaneously spring 27 is set on the adjusting bolt 4, and make adjusting bolt 4 pass lower jaw 2 to be threaded with parallels seat 5, and then with bearing pin 1 upper jaw 1 and lower jaw 2 are hinged and connected, at last cylinder 3 is fixed on the upper jaw 1.After assembling, rotation adjusting bolt 4 controls to adjust its overhanging height, thus the tensioning degree of regulating spring 1 and spring 27, and interaction force is between the two followed variation, namely the lower jaw 2 of sandwiched between spring 1 and the spring 27 is realized the adjustment of horizontal level.
This floating clamp can be widely used in the pay-off of numerical control press, and it is fixed on the Y-workbench 11 by parallels seat 5, and can be as required uniform arrangement several are installed.Drive the clamping plates by cylinder 3, further the leading screw by Y-workbench 11 drives along the Y-direction translation, also can drive whole Y-workbench 11 by X-workbench 12 simultaneously and move along X-direction, finishes thus the operation to plate.
When carrying out punch process, if the flexural deformation of plate forms a power that makes progress to this floating clamp, clamping working end perk up this moment, because of parallels seat 5 and lower jaw 2 hinged, so floating end sinks, spring 1 is just compressed, and cylinder 3 can not be extruded, so upper jaw 1 is still controlled plate with lower jaw 2.After punch process finished, one 6 on spring restPosed, and this process is the mechanism for upwards floating just.If the flexural deformation of plate forms a downward power to this floating clamp, this moment, the clamping working end reduced down, because of parallels seat 5 and lower jaw 2 hinged, so floating end rises, spring 27 is just compressed, and cylinder 3 can not be extruded, so upper jaw 1 is still controlled plate with lower jaw 2.After punch process finished, 27 on spring restPosed, and this process just is the mechanism of floating downwards.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, different place is: the spring 1 between parallels seat 5 and lower jaw 2 is sheathed on the adjusting bolt 4, be after adjusting bolt 4 bottoms connect parallels seat 5, it is arranged in the part of cavity down, and the length of this section part is parallels seat 5 and the distance between the cavity end face down.Spring one 6 lower ends and parallels seat 5 against, its upper end and cavity end face down against.The corresponding coupling of external diameter specification of the internal diameter specification of spring 1 and adjusting bolt 4, the slit of distance is little and suitable between the two after the periphery of adjusting bolt 4 so that spring 1 is sheathed on, it is firm to be beneficial to thus spring 1 holding capacity vertically, is unlikely under pressure deflection occurs and loses efficacy; Guarantee simultaneously spring 1 in that slippage is stable and smooth relatively by compression or under the state that discharges, and do not produce between the perisporium of adjusting bolt 4 and hinder friction.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used upper jaw 1; Lower jaw 2; Cylinder 3; Adjusting bolt 4; Parallels seat 5; Spring 1; Spring 27; Bearing pin 1; Bearing pin 29; Clamping end face 10; Y-workbench 11; X-workbench 12 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. floating clamp, comprise upper jaw, the cylinder of lower jaw and both holding actions of driving, described upper jaw and lower jaw are and are hinged and connected, it is characterized in that, be on the tail end of described lower jaw and run through the vertical adjusting bolt that is provided with, the bottom of described adjusting bolt is connected with the parallels seat, and inner edge and the above-mentioned lower jaw of described parallels seat are hinged, hang down between the outer end of described parallels seat and the above-mentioned lower jaw and establish spring one, the upper end of described adjusting bolt is arranged with spring two, and the bottom of described spring two is against above-mentioned lower jaw, and its top is against the head of above-mentioned adjusting bolt.
2. floating clamp according to claim 1 is characterized in that, vertically offers installing hole on the end face of described parallels seat, and described spring one stands in the above-mentioned installing hole vertically, and stretch out spring one upper end and with above-mentioned lower jaw against.
3. floating clamp according to claim 2 is characterized in that, the quantity of described spring one is two, and the quantity of described installing hole is two, and two installing holes are the uniform arrangement in the left and right sides.
4. floating clamp according to claim 1 is characterized in that, described spring one is sheathed on the above-mentioned adjusting bolt, and its lower end and above-mentioned parallels seat against, its upper end and above-mentioned lower jaw against.
5. according to claim 1 and 2 or 3 or 4 described floating clamps, it is characterized in that, described lower jaw is " Η " type cross section body, and described parallels seat is embedded in the cavity down of above-mentioned " Η " type cross section body, and described upper jaw is embedded in the cavity up of above-mentioned " Η " type cross section body.
6. floating clamp according to claim 5 is characterized in that, the front end place of described upper jaw and lower jaw is along laterally running through bearing pin one, and described bearing pin one all connects the sidewall of the cavity up that wears above-mentioned upper jaw and lower jaw; The inner of described parallels seat is along laterally running through bearing pin two, and the equal correspondence in the two ends of described bearing pin two wears the sidewall of the cavity down that stretches out above-mentioned lower jaw.
7. according to claim 1 and 2 or 3 or 4 described floating clamps, it is characterized in that, described cylinder is fixedly arranged on the tail end end face of above-mentioned upper jaw, offer through hole on the position of the corresponding cylinder of described upper jaw, described cylinder stretches out the expansion link that can pass above-mentioned through hole and lean above-mentioned lower jaw down.
8. according to claim 1 and 2 or 3 or 4 described floating clamps, it is characterized in that, offer screwed hole on the end face of described parallels seat, described adjusting bolt can correspondence be arranged in and forms threaded engagement in the above-mentioned screwed hole and connect.
9. according to claim 1 and 2 or 3 or 4 described floating clamps, it is characterized in that, the front end of described upper jaw and lower jaw, and have on the two relative medial surfaces up and down and be continuous zigzag clamping end face.
10. according to claim 1 and 2 or 3 or 4 described floating clamps, it is characterized in that described parallels seat has for the installation portion that is connected with workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282313 CN202639127U (en) | 2012-06-15 | 2012-06-15 | Floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282313 CN202639127U (en) | 2012-06-15 | 2012-06-15 | Floating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639127U true CN202639127U (en) | 2013-01-02 |
Family
ID=47408305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282313 Expired - Fee Related CN202639127U (en) | 2012-06-15 | 2012-06-15 | Floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639127U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671195A (en) * | 2017-10-09 | 2018-02-09 | 武汉市工程科学技术研究院 | A kind of floating clamp |
| CN108188970A (en) * | 2018-01-17 | 2018-06-22 | 北京现代汽车有限公司 | Relay extracting tool |
| CN109676049A (en) * | 2019-01-04 | 2019-04-26 | 济南凯丰数控机械有限公司 | Four side folding brakes clamp rotation feeder |
-
2012
- 2012-06-15 CN CN 201220282313 patent/CN202639127U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671195A (en) * | 2017-10-09 | 2018-02-09 | 武汉市工程科学技术研究院 | A kind of floating clamp |
| CN108188970A (en) * | 2018-01-17 | 2018-06-22 | 北京现代汽车有限公司 | Relay extracting tool |
| CN109676049A (en) * | 2019-01-04 | 2019-04-26 | 济南凯丰数控机械有限公司 | Four side folding brakes clamp rotation feeder |
| CN109676049B (en) * | 2019-01-04 | 2024-01-09 | 济南凯丰数控机械有限公司 | Clamping rotary feeding device of four-side flanging machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180615 |