CN202742236U - Reverse clamping device for push rod - Google Patents
Reverse clamping device for push rod Download PDFInfo
- Publication number
- CN202742236U CN202742236U CN 201220213541 CN201220213541U CN202742236U CN 202742236 U CN202742236 U CN 202742236U CN 201220213541 CN201220213541 CN 201220213541 CN 201220213541 U CN201220213541 U CN 201220213541U CN 202742236 U CN202742236 U CN 202742236U
- Authority
- CN
- China
- Prior art keywords
- push rod
- clamping device
- substrate
- matrix
- housing
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a reverse clamping device for a push rod, which consists of a substrate, a casing, a pushing unit and a clamping unit, wherein the substrate consists of a base plate, a substrate limiting block, a guide rail and an air cylinder; the casing consists of an outer casing, a fixed plate, a casing limiting block and a slide rail; the pushing unit consists of a connector, a coupling flange piece, a push rod spring, a push rod, a retaining ring and a clamping ring; the clamping unit consists of a fork-shaped joint, a connecting rod, a shaft sleeve, a lower shaft pin, a clamping arm, an upper shaft pin, an adjusting gasket and a pressing head; the substrate is fixed on a fixture body; the slide rail of the casing is combined with the guide rail in the substrate together; the pushing unit is inserted into the casing; and the fork-shaped joint in the clamping unit is connected with the push rod in the pushing unit through a clamp.
Description
Technical field
The utility model relates to a kind of clamp mechanism, relates in particular to the reverse clamping device of a kind of push rod.
Background technology
In the industrial production, need to carry out fastening to certain part of product, need to use clamp mechanism, clamp mechanism is various informative, basic principle mostly is hinge linkage, and certain distance is arranged between force position and the clamping point, takes up room large, if will realize oppositely clamping in less space, then existing general clamp mechanism can't realize.To this, need are furtherd investigate existing clamp mechanism and are optimized.Maximum clamp mechanism of using on the existing manual is screw clamping mechanism, and clamping slow motion, work-handling are required great effort, time-consuming, work efficiency is low is the remarkable shortcoming of screw clamping mechanism, and particularly in the conversion of clamping thickness workpiece, the rotation thread turns is more.
Chinese patent Granted publication number: CN201988886U, Granted publication day: on September 28th, 2011, a kind of vertical pneumatic two-way clamping device is disclosed, large welding bearing is fixed on the work top, cylinder, bearing is fixedly connected with large welding bearing respectively, supporting seat, large limit base is fixedly connected with bearing respectively, little limit base is fixed on the supporting seat, " Y " font contiguous block is fixedly connected with cylinder by nut, two connecting plates are respectively by four groups of small hinge axles, small washer, little split pin one end flexibly connects on contiguous block, and the other end is connected on left rocking arm and the right rocking arm; Left rocking arm and right rocking arm flexibly connect on supporting seat by large hinge axis, large washer, large split pin, the plane space that takies under this utility model open mode is little, can realize in small space, finish product and when opposite both direction in a big way, clamp.But this utility model structure is large and Raw Material Demand is many, needs a plurality of support points of rotation, and it uses difficulty in little space simultaneously.
The utility model content
The utility model is in order to overcome the deficiencies in the prior art, to provide a kind of push rod reverse clamping device, and it is simple and compact for structure, and can realize the purpose that oppositely clamps in less space.
To achieve these goals, the utility model is by the following technical solutions:
The reverse clamping device of a kind of push rod is made of matrix, housing, pushing unit, clamping unit, and described matrix is comprised of substrate, matrix limited block, guide rail and cylinder; Described housing is comprised of shell, fixed head, housing limited block and slide rail; Described pushing unit is comprised of connector, coupling flange piece, push rod spring, push rod, back-up ring and snap ring; Described clamping unit is comprised of fork head, connecting rod, axle sleeve, lower shaft pin, clamp arm, upper pivot pin, adjustment pad and pressure head; Described matrix is fixed on the clamp body, the slide rail of housing and the track combination in the matrix together, pushing unit inserts in the housing, the forked element in the clamping unit and the push rod in the pushing unit are by clamp connection.Cylinder is received the working signal indication, and cylinder rod stretches out, and drive, housing, pushing unit and clamping unit slide along guide rail together, adopts pneumatic means to clamp, and efficient high automation degree is good, and clamps effective rapidly.
As preferably, substrate is L-type, and described slide rail is located on the side plate of substrate.
As preferably, the connector in the described pushing unit and the piston rod of the cylinder in the matrix are threaded connection.So that this reverse ram clamping device can not occur becoming flexible when operation.
As preferably, described matrix limited block is positioned at the top of substrate, and the substrate of described matrix is fixedly connected with cylinder.Limited block is a kind of position limiting structure that limits the clamp mechanism position.
As preferably, the push rod spring of described pushing unit is located between coupling flange piece and the back-up ring.
As preferably, described back-up ring and snap ring are fixed on the push rod, and described snap ring is located at the upper end of back-up ring.
As preferably, described fixed head, housing limited block and slide rail are fixed on the described shell, and described housing limited block is located at the middle side edge of shell.
As preferably, the forked element of described clamping unit is connected with described connecting rod by pivot pin I, and described clamp arm is L-type, and described connecting rod passes through pivot pin II and is connected with clamp arm, and described adjustment pad is located between clamp arm and the pressure head.When carrying out the adjustment of anchor clamps location or clamped position adjustment, need to use pad.
Compared with prior art, the utlity model has following beneficial effect: simple in structure, can in small space, realize oppositely clamping, and clamp effective.
Description of drawings
Fig. 1 is the structural representation of the utility model when not clamping.
Structural representation when Fig. 2 is the reverse clamping of the utility model realization.
Fig. 3 is the structural representation of the utility model matrix.
Fig. 4 is the structural representation of the utility model housing.
Fig. 5 is the structural representation of the utility model push rod unit.
Fig. 6 is the structural representation of the utility model clamping unit.
Among the figure, 1-substrate, 2-substrate limited block, 3-guide rail, 4-cylinder, 5-shell, 6-fixed head, 7-housing limited block, 8-slide rail, 9-connector, 10-coupling flange piece, 11-push rod, 12-back-up ring, 13-snap ring, 14-forked element, 15-connecting rod, 16-connecting rod pivot pin, 17-clamp arm, 18-clamp arm pivot pin, 19-adjustment pad, 20-pressure head.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Such as Fig. 1 or the reverse clamping device of a kind of push rod shown in Figure 2, the reverse clamping device of described push rod is made of matrix, housing, pushing unit, clamping unit, and matrix as shown in Figure 3 is comprised of with cylinder 4 substrate 1, matrix limited block 2, guide rail 3; Housing as shown in Figure 4 is comprised of shell 5, fixed head 6, housing limited block 7 and slide rail 8; Pushing unit as shown in Figure 5 is comprised of connector 9, coupling flange piece 10, push rod spring, push rod 11, back-up ring 12 and snap ring 13; Clamping unit as shown in Figure 6 is comprised of forked element 14, connecting rod 15, connecting rod pivot pin 16, clamp arm 17, clamp arm pivot pin 18, adjustment pad 19 and pressure head 20; Described matrix is fixed on the clamp body, and the slide rail 8 of housing is combined with the guide rail 3 in the matrix, and pushing unit inserts in the housing, and the forked element 14 in the clamping unit and the push rod 11 in the pushing unit are by clamp connection.
Described substrate 1 is L-type, and described slide rail 8 is located on the side plate of substrate 1.Connector 9 in the described pushing unit and the piston rod of the cylinder 4 in the matrix are threaded connection.Described matrix limited block 2 is positioned at the top of substrate 1, and the substrate 1 of described matrix is fixedly connected with cylinder 4.On the body of rod of push rod 11, the two ends of described push rod spring were resisted against respectively the back-up ring 12 of described coupling flange piece 10 and push rod 11 shown in the push rod spring of described pushing unit was sheathed on.Described push rod 11 is cylindric, shown in back-up ring 12 be located at the cross section of an end of push rod 11 and this back-up ring 12 greater than the cross section of push rod 11 bodies of rod, described snap ring 13 is located at the other end of push rod 11.Described fixed head 6, housing limited block 7 and slide rail 8 are fixed on the described shell 5, and described housing limited block 7 is located at the middle side edge of shell 5.The forked element 14 of described clamping unit is connected with described connecting rod 15 by connecting rod pivot pin 16, and described clamp arm 17 is L-type, and described connecting rod 15 is connected with clamp arm 17 by clamp arm pivot pin 18, and described adjustment pad 19 is located between clamp arm 17 and the pressure head 20.
Work of the present utility model was originally: the piston rod of cylinder 4 promotes clamping unit under the effect of driving force, pushing unit and housing slide along guide rail together, after the substrate limited block puts in place, the housing stop motion, pushing unit overcomes push rod spring 11 under the driving force effect reaction force continues push rod 12 is pushed ahead, push rod 12 promotes forked type joints 15 at this moment, forked type joint 15 promotes connecting rod 16, connecting rod 16 promotes clamp arm 19, clamp arm 19 is rotated around the fixing pivot pin 20 existing track along housing, behind clamp arm 19 90-degree rotations, pressure head 20 has also namely rotated 90 degree, because pressure head 20 initial clamping directions and driving force have formed 90 degree angles, through having realized the reverse clamping with driving force after the 90 degree rotations.
Claims (8)
1. reverse clamping device of push rod, it is characterized in that: the reverse clamping device of described push rod is made of matrix, housing, pushing unit, clamping unit, and described matrix is comprised of with cylinder (4) substrate (1), matrix limited block (2), guide rail (3); Described housing is comprised of shell (5), fixed head (6), housing limited block (7) and slide rail (8); Described pushing unit is comprised of connector (9), coupling flange piece (10), push rod spring, push rod (11), back-up ring (12) and snap ring (13); Described clamping unit is comprised of forked element (14), connecting rod (15), connecting rod pivot pin (16), clamp arm (17), clamp arm pivot pin (18), adjustment pad (19) and pressure head (20); Described matrix is fixed on the clamp body, and the slide rail of housing (8) is combined with the guide rail (3) in the matrix, and pushing unit inserts in the housing, and the push rod (11) in the forked element in the clamping unit (14) and the pushing unit is by clamp connection.
2. the reverse clamping device of push rod according to claim 1, it is characterized in that: described substrate (1) is L-type, and described slide rail (8) is located on the side plate of substrate (1).
3. the reverse clamping device of push rod according to claim 1 is characterized in that: the piston rod of the cylinder (4) in the connector in the described pushing unit (9) and the matrix is threaded connection.
4. the reverse clamping device of push rod according to claim 1 and 2, it is characterized in that: described matrix limited block (2) is positioned at the top of substrate (1), and the substrate of described matrix (1) is fixedly connected with cylinder (4).
5. the reverse clamping device of push rod according to claim 1, it is characterized in that: on the body of rod of push rod shown in the push rod spring of described pushing unit is sheathed on (11), the two ends of described push rod spring are resisted against respectively the back-up ring (12) of described coupling flange piece (10) and push rod (11).
6. the reverse clamping device of push rod according to claim 1 or 5, it is characterized in that: described push rod (11) is cylindric, shown in back-up ring (12) be located at the cross section of an end of push rod (11) and this back-up ring (12) greater than the cross section of push rod (11) body of rod, described snap ring (13) is located at the other end of push rod (11).
7. the reverse clamping device of push rod according to claim 1, it is characterized in that: described fixed head (6), housing limited block (7) and slide rail (8) are fixed on the described shell (5), and described housing limited block (7) is located at the middle side edge of shell (5).
8. the reverse clamping device of push rod according to claim 1, it is characterized in that: the forked element of described clamping unit (14) is connected with described connecting rod (15) by connecting rod pivot pin (16), described clamp arm (17) is L-type, described connecting rod (15) is connected with clamp arm (17) by clamp arm pivot pin (18), and described adjustment pad (19) is located between clamp arm (17) and the pressure head (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213541 CN202742236U (en) | 2012-05-11 | 2012-05-11 | Reverse clamping device for push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213541 CN202742236U (en) | 2012-05-11 | 2012-05-11 | Reverse clamping device for push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742236U true CN202742236U (en) | 2013-02-20 |
Family
ID=47701683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220213541 Expired - Lifetime CN202742236U (en) | 2012-05-11 | 2012-05-11 | Reverse clamping device for push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202742236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397666A (en) * | 2014-09-10 | 2016-03-16 | 汉达精密电子(昆山)有限公司 | Product positioning and clamping device |
-
2012
- 2012-05-11 CN CN 201220213541 patent/CN202742236U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397666A (en) * | 2014-09-10 | 2016-03-16 | 汉达精密电子(昆山)有限公司 | Product positioning and clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |