CN203495630U - Hydraulic driving type clamping device - Google Patents

Hydraulic driving type clamping device Download PDF

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Publication number
CN203495630U
CN203495630U CN201320540332.XU CN201320540332U CN203495630U CN 203495630 U CN203495630 U CN 203495630U CN 201320540332 U CN201320540332 U CN 201320540332U CN 203495630 U CN203495630 U CN 203495630U
Authority
CN
China
Prior art keywords
hydraulic
valve
hydraulic cylinder
type clamping
mouth
Prior art date
Application number
CN201320540332.XU
Other languages
Chinese (zh)
Inventor
黄冰
Original Assignee
西安志越机电科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 西安志越机电科技有限公司 filed Critical 西安志越机电科技有限公司
Priority to CN201320540332.XU priority Critical patent/CN203495630U/en
Application granted granted Critical
Publication of CN203495630U publication Critical patent/CN203495630U/en

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Abstract

The utility model discloses a hydraulic driving type clamping device. The hydraulic driving type clamping device comprises a base, a clamping component, a hydraulic cylinder, a supporting component and a hydraulic control system, wherein the supporting component is a U-shaped mounting frame; a cylinder body of the hydraulic cylinder is fixedly mounted on the U-shaped mounting frame; the end part of an ejector rod of the hydraulic cylinder is connected with the clamping component; a rodless cavity and a rod cavity of the hydraulic cylinder are respectively communicated with an M opening and an N opening of a reversing valve I; an S opening of the reversing valve I is communicated with an oil tank; a check valve is arranged on a pipeline between an R opening of the reversing valve I and an outlet of an oil pump; an energy accumulator and a pressure relay are arranged between an outlet of the check valve and the R opening of the reversing valve I; an overflowing valve is arranged at the outlet of the oil pump. The hydraulic drive type clamping device has the following characteristics of reasonable design, high automation, low labor intensity, adjustable pressing force, stable properties of the hydraulic system, high intelligentized degree, strong universality and wide application range.

Description

Hydraulic drive type clamping device

Technical field

The utility model belongs to Machining Technology field, relates to a kind of clamping device, is specifically related to a kind of hydraulic drive type clamping device.

Background technology

At present, clamping device is all widely used in all trades and professions, helical clamping apparatus is current modal clamping device, the direct clamping work pieces of its general using screw thread, or form compound clamp mechanism with other elements or mechanism, there is the advantages such as reliable clamping in helical clamping apparatus, but helical clamping apparatus equally also exists and clamps the shortcomings such as slow motion, clamping efficiency are low.Particularly, when using helical clamping apparatus frequently alternately to clamp the workpiece varying in size, need the frequent rotating screw bolt of operating personnel with clamping work pieces, greatly increased operating personnel's labour intensity, reduced production efficiency.

Utility model content

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of hydraulic drive type clamping device is provided, and it is reasonable in design, and automaticity is high, labour intensity is low, and thrust is adjustable, hydraulic system stable performance, intelligent degree is high, and highly versatile is applied widely.

For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulic drive type clamping device, comprise base, for the hold assembly of holding workpiece, for driving the hydraulic cylinder of hold assembly clamping work pieces and for fixedly mounting the support component of hydraulic cylinder, it is characterized in that: also comprise for controlling the hydraulic control system of described hydraulic cylinder action, described support component is U-shaped installing rack, the cylinder body of described hydraulic cylinder is fixedly mounted on described U-shaped installing rack, described hydraulic cylinder knock-pin end is connected with described hold assembly, the rodless cavity of described hydraulic cylinder and rod chamber are communicated with M mouth and the N mouth of reversal valve one respectively, the S mouth of described reversal valve one is communicated with fuel tank, on pipeline between the R mouth of described reversal valve one and oil pump outlet, be provided with check valve, between described check valve outlet and the R mouth of described reversal valve one, be provided with accumulator and pressure switch, described oil pump exit is provided with overflow valve, the hydraulic control mouth of described overflow valve is provided with reversal valve two.

Above-mentioned hydraulic drive type clamping device, is characterized in that: described hold assembly comprises the parallels being fixedly mounted on described base and coordinate the pressure head for workpiece pressing with described parallels, and described pressure head is arranged on the end of described hydraulic cylinder knock-pin.

Above-mentioned hydraulic drive type clamping device, is characterized in that: described reversal valve one is 3-position 4-way solenoid directional control valve, and described reversal valve two is bi-bit bi-pass solenoid directional control valve.

Above-mentioned hydraulic drive type clamping device, is characterized in that: described U-shaped installing rack welds or is mounted by means of bolts on described base.

The utility model compared with prior art has the following advantages:

(1) this hydraulic drive type clamping device design is very reasonable, and hydraulic control system can complete clamping and the unclamp operation of workpiece automatically, and automaticity is very high, has greatly improved production efficiency, has reduced operating personnel's labour intensity.

(2) in the hydraulic control system of this hydraulic drive type clamping device, be provided with pressure switch, operating personnel can regulate the thrust of this device easily.

(3) hydraulic control system of this hydraulic drive type clamping device is stable and reliable for performance, and intelligent degree is high.

(4) this hydraulic drive type clamping device is not only applicable to Machining Technology field, and being also applicable to other needs self-holding place, thereby its highly versatile, and the scope of application is very extensive.

Below by drawings and Examples, the utility model is described in further detail.

Accompanying drawing explanation

Fig. 1 is frame for movement schematic diagram of the present utility model.

Fig. 2 is hydraulic control principle schematic of the present utility model.

Description of reference numerals:

1-base; 2-parallels; 3-workpiece;

4-pressure head; 5-U-shaped installing rack; 6-hydraulic cylinder;

7-reversal valve two; 8-overflow valve; 9-oil pump;

10-check valve; 11-accumulator; 12-pressure switch;

13-reversal valve one.

The specific embodiment

A kind of hydraulic drive type clamping device as depicted in figs. 1 and 2, comprise base 1, for the hold assembly of holding workpiece 3, for driving the hydraulic cylinder 6 of hold assembly clamping work pieces 3 and for fixedly mounting the support component of hydraulic cylinder 6, also comprising for controlling the hydraulic control system of described hydraulic cylinder 6 actions, described support component is U-shaped installing rack 5, the cylinder body of described hydraulic cylinder 6 is fixedly mounted on described U-shaped installing rack 5, described hydraulic cylinder 6 knock-pin ends are connected with described hold assembly, the rodless cavity of described hydraulic cylinder 6 and rod chamber are communicated with M mouth and the N mouth of reversal valve 1 respectively, the S mouth of described reversal valve 1 is communicated with fuel tank, on pipeline between the R mouth of described reversal valve 1 and oil pump 9 outlets, be provided with check valve 10, between described check valve 10 outlets and the R mouth of described reversal valve 1, be provided with accumulator 11 and pressure switch 12, described oil pump 9 exits are provided with overflow valve 8, the hydraulic control mouth of described overflow valve 8 is provided with reversal valve 27.

As shown in Figure 1, described hold assembly comprises the parallels 2 being fixedly mounted on described base 1 and coordinates the pressure head 4 for workpiece pressing 3 with described parallels 2, and described pressure head 4 is arranged on the end of described hydraulic cylinder 6 knock-pins.

As shown in Figure 2, described reversal valve 1 is 3-position 4-way solenoid directional control valve, and described reversal valve 27 is bi-bit bi-pass solenoid directional control valve.

As shown in Figure 1, described U-shaped installing rack 5 welds or is mounted by means of bolts on described base 1.

The course of work of the utility model hydraulic drive type clamping device is: as depicted in figs. 1 and 2, first this hydraulic drive type clamping device is fixedly mounted on to operating position, when the access of the left position of 3-position 4-way solenoid directional control valve 1, hydraulic cylinder 6 rodless cavity pressure are greater than its rod chamber pressure, piston moves right, after hydraulic cylinder 6 promotion pressure heads 4 coordinate workpiece pressing 3 with parallels 2, oil pump 9 works on intrasystem input pressure is raise, when pressure reaches the setting value of pressure switch 12, pressure switch 12 sends signal and makes the upper access of bi-bit bi-pass solenoid directional control valve 7, oil pump 9 is by overflow valve 8 off-loads, now check valve 10 is closed automatically, 6 of hydraulic cylinders are by accumulator 11 pressurizes.When oil pressure is not enough, pressure switch 12 resets and makes the next access of bi-bit bi-pass solenoid directional control valve 7, and overflow valve 8 cuts out, and oil pump 9 impels check valve 10 to open, and oil pump 9 is to the rodless cavity supercharging of hydraulic cylinder 6, thereby impels pressure head 4 to continue workpiece pressings 3.After workpiece 3 machines, the right position access of 3-position 4-way solenoid directional control valve 1, hydraulic cylinder 6 rod chamber pressure are greater than its rodless cavity pressure, and piston is to left movement, when hydraulic cylinder 6 band dynamic heads 4 leave workpiece 3, now operator can take off the workpiece processing 3 easily.

The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.

Claims (4)

1. a hydraulic drive type clamping device, comprise base (1), for the hold assembly of holding workpiece (3), for driving the hydraulic cylinder (6) of hold assembly clamping work pieces (3) and for fixedly mounting the support component of hydraulic cylinder (6), it is characterized in that: also comprise for controlling the hydraulic control system of described hydraulic cylinder (6) action, described support component is U-shaped installing rack (5), the cylinder body of described hydraulic cylinder (6) is fixedly mounted on described U-shaped installing rack (5), described hydraulic cylinder (6) knock-pin end is connected with described hold assembly, the rodless cavity of described hydraulic cylinder (6) and rod chamber are communicated with M mouth and the N mouth of reversal valve one (13) respectively, the S mouth of described reversal valve one (13) is communicated with fuel tank, on pipeline between the R mouth of described reversal valve one (13) and oil pump (9) outlet, be provided with check valve (10), between described check valve (10) outlet and the R mouth of described reversal valve one (13), be provided with accumulator (11) and pressure switch (12), described oil pump (9) exit is provided with overflow valve (8), the hydraulic control mouth of described overflow valve (8) is provided with reversal valve two (7).
2. according to hydraulic drive type clamping device claimed in claim 1, it is characterized in that: described hold assembly comprises the parallels (2) being fixedly mounted on described base (1) and coordinate the pressure head (4) for workpiece pressing (3) with described parallels (2), described pressure head (4) is arranged on the end of described hydraulic cylinder (6) knock-pin.
3. according to hydraulic drive type clamping device claimed in claim 1, it is characterized in that: described reversal valve one (13) is 3-position 4-way solenoid directional control valve, and described reversal valve two (7) is bi-bit bi-pass solenoid directional control valve.
4. according to hydraulic drive type clamping device claimed in claim 1, it is characterized in that: described U-shaped installing rack (5) welds or is mounted by means of bolts on described base (1).
CN201320540332.XU 2013-08-31 2013-08-31 Hydraulic driving type clamping device CN203495630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320540332.XU CN203495630U (en) 2013-08-31 2013-08-31 Hydraulic driving type clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320540332.XU CN203495630U (en) 2013-08-31 2013-08-31 Hydraulic driving type clamping device

Publications (1)

Publication Number Publication Date
CN203495630U true CN203495630U (en) 2014-03-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320540332.XU CN203495630U (en) 2013-08-31 2013-08-31 Hydraulic driving type clamping device

Country Status (1)

Country Link
CN (1) CN203495630U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308618A (en) * 2014-10-27 2015-01-28 太仓市锦立得粉末冶金有限公司 Bevel gear cylindrical surface drilling clamp
CN105666210A (en) * 2016-04-17 2016-06-15 柴德维 Fastening device for columnar workpiece
CN108818077A (en) * 2018-07-20 2018-11-16 芜湖清柏白露智能信息科技有限公司 Hydraulic clamping device is used in a kind of processing of metal pipe material
CN110640502A (en) * 2019-10-28 2020-01-03 邳州捷昌新材料有限公司 Pipe fitting processing clamping device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308618A (en) * 2014-10-27 2015-01-28 太仓市锦立得粉末冶金有限公司 Bevel gear cylindrical surface drilling clamp
CN105666210A (en) * 2016-04-17 2016-06-15 柴德维 Fastening device for columnar workpiece
CN108818077A (en) * 2018-07-20 2018-11-16 芜湖清柏白露智能信息科技有限公司 Hydraulic clamping device is used in a kind of processing of metal pipe material
CN110640502A (en) * 2019-10-28 2020-01-03 邳州捷昌新材料有限公司 Pipe fitting processing clamping device

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20140831