CN111451802A - Clamp for machining - Google Patents

Clamp for machining Download PDF

Info

Publication number
CN111451802A
CN111451802A CN202010344433.4A CN202010344433A CN111451802A CN 111451802 A CN111451802 A CN 111451802A CN 202010344433 A CN202010344433 A CN 202010344433A CN 111451802 A CN111451802 A CN 111451802A
Authority
CN
China
Prior art keywords
pressing block
positioning
block
base
screw
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
Application number
CN202010344433.4A
Other languages
Chinese (zh)
Inventor
郝永鹏
姜月良
任宝平
陈雷
李京云
李霞
靳保生
卢昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Fenxi Heavy Industry Co Ltd
Original Assignee
Shanxi Fenxi Heavy Industry Co Ltd
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 Shanxi Fenxi Heavy Industry Co Ltd filed Critical Shanxi Fenxi Heavy Industry Co Ltd
Priority to CN202010344433.4A priority Critical patent/CN111451802A/en
Publication of CN111451802A publication Critical patent/CN111451802A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

Abstract

The embodiment of the invention provides a clamp for machining, which is characterized by comprising the following components: a positioning portion and a clamping portion; the positioning part comprises a base, a positioning block, a pressing block and a positioning screw; the positioning block is fixedly connected to the base; the pressing block is fixedly connected to the base. The clamping part comprises a screw, a linkage rod, a pressing block and a pressing cover; one end of the screw rod is inserted into the round hole of the pressing block, and the other end of the screw rod is fixed on the positioning block through the gland; one end of the linkage rod is in threaded connection with the screw rod, and the other end of the linkage rod is connected with the pressing block.

Description

Clamp for machining
Technical Field
The invention belongs to the field of machining tool fixtures, and particularly relates to a fixture for machining.
Background
The size, shape and precision of the machined part are ensured by a machine tool clamp. The cost of processing a product is large, and the cost of the clamp is very large in many times, so the quality, cost and applicability of the clamp design are very important in relation to the efficiency, quality and cost of product production. Parts of special-shaped structures such as cylinders and curved surfaces are frequently encountered in daily production and machining, common clamps such as pressing plates, vices and chucks cannot be used for clamping of the parts, and special clamps need to be manufactured to enable the parts to be correspondingly produced.
Disclosure of Invention
The embodiment of the invention provides a clamp for machining, which is convenient for clamping and positioning the outer surfaces of special-shaped parts such as cylinders, polyhedrons or cuboids in the machining process of a machine tool, has strong universality and improves the efficiency of part machining.
In order to achieve the purpose, the invention adopts the following scheme
The present invention provides a jig for machining, including:
a positioning portion and a clamping portion;
the positioning part comprises a base, a positioning block, a pressing block and a positioning screw; the positioning block is fixedly connected to the base;
the pressing block is fixedly connected to the base.
The clamping part comprises a screw, a linkage rod, a pressing block and a pressing cover; one end of the screw rod is inserted into the round hole of the pressing block, and the other end of the screw rod is fixed on the positioning block through the gland; one end of the linkage rod is in threaded connection with the screw rod, and the other end of the linkage rod is connected with the pressing block.
Optional
The base is of an L-shaped structure, one side of the base, which is arranged on the workbench, is fixedly connected with the pressing block, and the other side of the base is fixedly connected with the positioning block.
Optional
The plane of the pressing block is parallel to the plane of the positioning block.
Optional
The base is in threaded connection with a machine tool workbench through the positioning screws.
Optional
The gland is fixed on the positioning block through a fixing screw.
Optional
Two gaskets are cushioned at two ends of the gland.
Optional
The outer end plane of the pressing block and the outer end plane of the pressing block are located on the same plane.
Optional
One end of the screw rod is round, and the other end of the screw rod is square.
Optional
The pressing block is of a U-shaped structure.
Optional
The circle center of the circular hole of the pressing block is coaxial with the hole center of the gland.
The invention adopts the method that the inclined screw rod rotates to drive the pressing block to move in the horizontal direction, realizes the purpose of clamping the special-shaped part, improves the universality of the clamp and improves the convenience of clamping the part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described,
it is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is an assembly schematic of an embodiment of the present invention;
FIG. 2 is a schematic view of a gland structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a base structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a linkage rod according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a compact structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a screw structure according to an embodiment of the present invention.
Description of the symbols:
1-base 2-positioning block 3-gland 4-fixing screw 5-washer 6-screw 7-linkage rod
8-pressing block 9-positioning screw 10-pressing block
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a fixture for machining, as shown in fig. 1, including: a positioning portion and a clamping portion;
the positioning part comprises a base, a positioning block, a pressing block and a positioning screw; the positioning block is fixedly connected to the base;
the pressing block is fixedly connected to the base.
The base has two planes, and a plane is connected with a rectangle part and is used as the locating piece, is used for the location of part. The other plane consists of three rectangular parts which are arranged in parallel, and an inclined rectangle protrudes from the middle rectangular part to be used as a pressing block for pressing the part.
The clamping part comprises a screw, a linkage rod, a pressing block and a pressing cover; one end of the screw rod is inserted into the round hole of the pressing block,
the other end is fixed on the positioning block through the gland; one end of the linkage rod is connected with the screw rod through threads,
the other end is connected with the pressing block.
The screw rod is located between locating piece and the compact heap, is the tilt state, is equipped with the screw thread on the screw rod. As shown in FIG. 4, one end of the linkage rod is of an annular structure, and the interior of the linkage rod is provided with threads which are connected with the rod body of the screw rod. The other end of the linkage rod is fixedly connected with a pressing block which is used for pressing an external part.
As shown in fig. 2, the pressing cover is of an arch structure and forms a circle which can enable one end of the screw to pass through together with the recess of the terminal part of the positioning block.
Optional
As shown in fig. 3, the base is in an L-shaped structure, one side of the base, which is arranged on the workbench, is fixedly connected with the pressing block, and the other side of the base is fixedly connected with the pressing block
The surface is fixedly connected with the positioning block.
The use environment of this anchor clamps is machine tooling, therefore one side should be fixed on the workstation, guarantees the stability of this anchor clamps. The other side is fixedly connected with a positioning block for fixing the position of the screw rod.
Optional
As shown in fig. 3, the plane of the pressing block is parallel to the plane of the positioning block.
The screw rod is connected between the pressing block and the positioning block, the two planes are parallel, the screw rod can be well fixed, and the rotation of the screw rod can also be realized.
Optional
As shown in fig. 1, the base is in threaded connection with the machine tool workbench through the positioning screw.
The positioning screw is used for fixing the relative position of the tool and the machine tool workbench, the connection mode can be riveting, and the connection mode is not used as the limitation of the invention.
Optional
As shown in fig. 1, the pressing cover is fixed on the positioning block by a fixing screw.
The two end parts of the gland are fixed on the positioning block through screws, and the connection mode can also be riveting, and the connection mode is not used as the limitation of the invention.
Optional
As shown in fig. 1, two gaskets are padded at two ends of the gland.
The gasket is arranged between the gland and the screw rod, and reduces friction between the gland and one end of the screw rod.
Optional
As shown in fig. 3, the outer end plane of the pressing block and the outer end plane of the pressing block are in the same plane.
The outer end of the pressing block is sunken and presses the part together with the pressing block.
Optional
As shown in fig. 6, one end of the screw is round and the other end is square.
The round end is inserted into the round hole of the pressing block, and the square end is fixed on the positioning block.
Optional
As shown in FIG. 5, the pressing block adopts a U-shaped structure.
The structure can be suitable for clamping special-shaped parts in a large range, such as cylinders, rectangles, polyhedrons and the like, and has strong universality. The pressing block moves horizontally in the process of moving along with the linkage rod, so that the part can be pressed in the horizontal direction.
Optional
As shown in fig. 3, the circle center of the circular hole of the pressing block is coaxial with the hole center of the gland.
The middle part of the pressing block is provided with a round hole, the circle center of the round hole and the hole center of the gland are positioned on the same axis, and the screw rod is installed between the two parts, is inclined and can rotate. When the screw rod is rotated, the linkage rod can be driven to move horizontally and vertically, and the linkage rod can be driven to move axially along the screw rod.
The invention adopts the method that the inclined screw rod rotates to drive the pressing block to move in the horizontal direction, realizes the purpose of clamping the special-shaped part, improves the universality of the clamp and improves the convenience of clamping the part.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A fixture for machining, comprising:
a positioning portion and a clamping portion;
the positioning part comprises a base, a positioning block, a pressing block and a positioning screw; the positioning block is fixedly connected to the base; the pressing block is fixedly connected to the base.
The clamping part comprises a screw, a linkage rod, a pressing block and a pressing cover; one end of the screw rod is inserted into the round hole of the pressing block, and the other end of the screw rod is fixed on the positioning block through the gland; one end of the linkage rod is in threaded connection with the screw rod, and the other end of the linkage rod is connected with the pressing block.
2. The jig for machining according to claim 1, characterized in that:
the base is of an L-shaped structure, one side of the base, which is arranged on the workbench, is fixedly connected with the pressing block, and the other side of the base is fixedly connected with the positioning block.
3. The jig for machining according to claim 1, characterized in that:
the plane of the pressing block is parallel to the plane of the positioning block.
4. The jig for machining according to claim 1, characterized in that:
the base is in threaded connection with a machine tool workbench through the positioning screws.
5. The jig for machining according to claim 1, characterized in that:
the gland is fixed on the positioning block through a fixing screw.
6. The jig for machining according to claim 1, characterized in that:
two gaskets are cushioned at two ends of the gland.
7. The jig for machining according to claim 1, characterized in that:
the outer end plane of the pressing block and the outer end plane of the pressing block are located on the same plane.
8. The jig for machining according to claim 1, characterized in that:
one end of the screw rod is round, and the other end of the screw rod is square.
9. The jig for machining according to claim 1, characterized in that:
the pressing block is of a U-shaped structure.
10. The jig for machining according to claim 1, characterized in that:
the circle center of the circular hole of the pressing block is coaxial with the hole center of the gland.
CN202010344433.4A 2020-04-27 2020-04-27 Clamp for machining Pending CN111451802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010344433.4A CN111451802A (en) 2020-04-27 2020-04-27 Clamp for machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010344433.4A CN111451802A (en) 2020-04-27 2020-04-27 Clamp for machining

Publications (1)

Publication Number Publication Date
CN111451802A true CN111451802A (en) 2020-07-28

Family

ID=71673691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010344433.4A Pending CN111451802A (en) 2020-04-27 2020-04-27 Clamp for machining

Country Status (1)

Country Link
CN (1) CN111451802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112264815A (en) * 2020-10-16 2021-01-26 潘功良 Intelligent machining multi-head clamp structure with telescopic switching function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112264815A (en) * 2020-10-16 2021-01-26 潘功良 Intelligent machining multi-head clamp structure with telescopic switching function
CN112264815B (en) * 2020-10-16 2022-01-21 杭州鑫聘机械科技有限公司 Intelligent machining multi-head clamp structure with telescopic switching function

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