CN211277977U

CN211277977U - Clamp for grinding end hollow part

Info

Publication number: CN211277977U
Application number: CN201922159054.3U
Authority: CN
Inventors: 王俊杰
Original assignee: Changzhou Changrong Textile Co ltd
Current assignee: Changzhou Changrong Textile Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-18
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses an anchor clamps are used in grinding of end hollow part, including the third diaphragm, the bottom central position department fixed mounting of third diaphragm has first wedge, both sides all are provided with the second wedge around the bottom of first wedge, the bottom fixed mounting of second wedge has the bottom plate, the equal fixed mounting of the left and right sides lateral wall of second wedge has spacing riser, first wedge sets up between two sets of spacing risers, the equal fixed mounting in both sides has the second cylinder around the top of bottom plate, the output of second cylinder is connected with the second wedge, the second wedge sets up between two sets of second cylinders, the equal fixed mounting in both sides has electric putter around the top of third diaphragm, electric putter's output fixed mounting has the fourth diaphragm. The clamp for grinding the hollow part at the end head drives the fourth transverse plate to move through the electric push rod, drives the limiting frame to move through the first air cylinder, and clamps and fixes workpieces with different sizes under the action of the rubber pad by rotating the threaded frame.

Description

Clamp for grinding end hollow part

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps are used in grinding of hollow part in end.

Background

The clamp is a device used for fixing a processing object in the mechanical manufacturing process to accept construction or detection, the clamp is various, but in the grinding of the processing end hollow part, the workpiece end is hollow, and only a side fixing mode can be adopted for clamping and fixing, and the traditional clamp for grinding the end hollow part can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. the size of a clamp for grinding most of end hollow parts in the market is fixed, and when the length of a workpiece is large, the situation that the workpiece is unstable because the two ends of the workpiece cannot be completely clamped easily occurs;

2. most end hollow parts in the market at present are highly fixed with anchor clamps for grinding, because the height that instrument such as milling cutter was adjusted is less in the work piece processing, lead to the work piece of major diameter to be not convenient for proofread and correct the central point to be unfavorable for the processing of work piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an end hollow part's anchor clamps for grinding to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for grinding an end hollow part comprises a third transverse plate, wherein a first wedge block is fixedly installed at the bottom center position of the third transverse plate, second wedge blocks are arranged on the front side and the rear side of the bottom of the first wedge block, a bottom plate is fixedly installed at the bottom of the second wedge block, limiting vertical plates are fixedly installed on the side walls of the left side and the right side of the second wedge block, the first wedge block is arranged between the two sets of limiting vertical plates, second air cylinders are fixedly installed on the front side and the rear side of the top of the bottom plate, the output end of each second air cylinder is connected with the corresponding second wedge block, the second wedge block is arranged between the two sets of second air cylinders, electric push rods are fixedly installed on the front side and the rear side of the top of the third transverse plate, a fourth transverse plate is fixedly installed at the output end of each electric push rod, and a supporting seat is fixedly installed at the top, the left end and the right end of the top of the fourth transverse plate are both fixedly provided with a first air cylinder, the output end of the first air cylinder is fixedly provided with a first transverse plate, a mounting vertical plate is fixedly mounted on the outer side of the top of the first transverse plate, a threaded sleeve penetrating through the mounting vertical plate is embedded in the upper end of the mounting vertical plate, a threaded rack penetrating through the threaded sleeve is arranged inside the threaded sleeve, a second sliding rail is fixedly arranged on the inner side of the top of the first transverse plate, the inner part of the second slide rail is provided with a limiting frame through a second slide block, the inner side of the threaded frame is connected with the side wall of the limiting frame through a bearing, a limiting block is fixedly arranged on the inner side of the top of the limiting frame, a rubber pad is adhered on the inner side wall of the limiting block, the first slide rails are fixedly mounted at the left end and the right end of the top of the third transverse plate, and first slide blocks connected with the bottom of the fourth transverse plate are arranged inside the first slide rails.

Preferably, in the above fixture for grinding an end hollow part, the cross section of the limiting frame is L-shaped.

Based on the technical characteristics, the clamping device is convenient to clamp workpieces with small diameters.

Preferably, in the clamp for grinding the end hollow part, two groups of the limiting blocks and two groups of the rubber pads are arranged, and the two groups of the limiting blocks and two groups of the rubber pads are symmetrically arranged about the central axis of the fourth transverse plate.

Based on the technical characteristics, the workpiece can be clamped and fixed conveniently by using the friction force.

Preferably, in the clamp for grinding the end hollow part, an internal thread matched with the threaded rack is arranged inside the threaded sleeve, and the threaded rack is rotatably connected with the limiting rack through a bearing.

Based on the technical characteristics, the fixture for grinding the hollow part at the end is convenient to clamp and fix workpieces with different sizes.

Preferably, in the clamp for grinding an end hollow part, the cross sections of the first wedge-shaped block and the second wedge-shaped block are both trapezoidal.

Based on the technical characteristics, the height can be conveniently adjusted, so that the centering device is suitable for centering workpieces with different diameters.

Preferably, in the above fixture for grinding an end hollow part, the cross section of the support seat is in a concave shape.

Based on the technical characteristics, the stability of clamping the workpiece by the fixture for grinding the end hollow part is improved conveniently.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fourth transverse plate is driven to move through the electric push rod, the limiting frame is driven to move through the first air cylinder, and workpieces with different sizes are clamped and fixed under the action of the rubber pad through rotating the threaded frame, so that the novel clamping device is convenient to use for workpieces with different sizes;

2. thereby drive the second wedge through the second cylinder and drive the first wedge and remove and then adjust the height of work piece, the central point that tools such as milling cutter aimed at the work piece of being convenient for is processed.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

fig. 3 is a schematic diagram of a right-side sectional structure of the first wedge, the second wedge and the bottom plate of the present invention.

In the figure: 1. a threaded bushing; 2. a first transverse plate; 3. a first cylinder; 4. a first slide rail; 5. a first wedge block; 6. a second wedge block; 7. an electric push rod; 8. a base plate; 9. a supporting seat; 10. a limiting vertical plate; 11. a third transverse plate; 12. a first slider; 13. a fourth transverse plate; 14. installing a vertical plate; 15. a threaded rack; 16. a second slider; 17. a limiting frame; 18. a rubber pad; 19. a limiting block; 20. a second slide rail; 21. a second cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a clamp for grinding an end hollow part comprises a third transverse plate 11, a first wedge block 5 is fixedly installed at the central position of the bottom of the third transverse plate 11, the cross sections of the first wedge block 5 and the second wedge block 6 are both trapezoidal, second wedge blocks 6 are respectively arranged on the front side and the rear side of the bottom of the first wedge block 5, a bottom plate 8 is fixedly installed at the bottom of the second wedge block 6, limiting vertical plates 10 are respectively fixedly installed on the side walls of the left side and the right side of the second wedge block 6, the first wedge block 5 is arranged between the two groups of limiting vertical plates 10, second air cylinders 21 are respectively fixedly installed on the front side and the rear side of the top of the bottom plate 8, the type of each second air cylinder 21 can be SC200-25, the output end of each second air cylinder 21 is connected with the second wedge block 6, the second wedge block 6 is arranged between the two groups of second air cylinders 21, electric push rods 7 are respectively fixedly installed on the front side and, the model of the electric push rod 7 can be TF12-100, a fourth transverse plate 13 is fixedly installed at the output end of the electric push rod 7, a supporting seat 9 is fixedly installed at the middle position of the top of the fourth transverse plate 13, the cross section of the supporting seat 9 is in a concave shape, first cylinders 3 are fixedly installed at the left end and the right end of the top of the fourth transverse plate 13, the model of each first cylinder 3 can be ACQ50X5, a first transverse plate 2 is fixedly installed at the output end of each first cylinder 3, an installation vertical plate 14 is fixedly installed on the outer side of the top of each first transverse plate 2, threaded sleeves 1 penetrating through the installation vertical plates 14 are embedded at the upper ends of the interiors of the installation vertical plates 14, internal threads matched with the threaded sleeves 15 are arranged inside the threaded sleeves 1, the threaded brackets 15 are rotatably connected with limiting frames 17 through bearings, threaded brackets 15 penetrating through the threaded sleeves 1 are arranged inside the threaded sleeves 1, second sliding rails 20 are fixedly, limiting frame 17 is installed through second slider 16 in the inside of second slide rail 20, the cross section of limiting frame 17 sets up to the L type, the inboard of screw thread frame 15 is connected with limiting frame 17 lateral wall through the bearing, the inboard fixed mounting in top of limiting frame 17 has stopper 19, stopper 19 and rubber pad 18 all are provided with two sets ofly, every stopper 19 of group and rubber pad 18 all are provided with two, two sets of stopper 19 and rubber pad 18 all set up about the axis symmetry of fourth diaphragm 13, rubber pad 18 has been pasted to stopper 19's inside wall, the equal fixed mounting in both ends has first slide rail 4 about third diaphragm 11's the top, and the inside of first slide rail 4 is provided with first slider 12 that is connected bottom fourth diaphragm 13.

The working principle is as follows: when the fixture for grinding the end hollow part is used, the fixture for grinding the end hollow part is placed in a workbench area through a bottom plate 8, then an external power supply is switched on, an electric push rod 7 is started to drive a fourth transverse plate 13 to slide to a proper position in a first slide rail 4 through a first slide block 12, then two ends of a workpiece are respectively placed on a supporting seat 9, a first air cylinder 3 is started to drive a first transverse plate 2 to move up and down so as to drive a limiting frame 17 to move to a proper position, a threaded frame 15 is rotated so as to drive a limiting frame 17 to move inwards in a second slide rail 20 through a second slide block 16 under the action of a threaded sleeve 1, the limiting frame 17 drives a limiting block 19 to move so as to clamp and fix two ends of the workpiece under the action of a rubber pad 18, and further facilitate the use of workpieces with different sizes, the second air cylinder 21 is started to drive a second wedge block 6 to move, thereby drive first wedge 5 and reciprocate under the limiting action of spacing riser 10, thereby first wedge 5 drives third diaphragm 11 and removes and drive supporting seat 9 and spacing 17 and remove and then adjust the high central point of utilizing instruments such as milling cutter to aim at the work piece of work piece and carry out abrasive machining, the above does the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a clamp for grinding of end hollow part, includes third diaphragm (11), its characterized in that: a first wedge block (5) is fixedly mounted at the central position of the bottom of the third transverse plate (11), second wedge blocks (6) are arranged on the front side and the rear side of the bottom of the first wedge block (5), a bottom plate (8) is fixedly mounted at the bottom of the second wedge block (6), limiting vertical plates (10) are fixedly mounted on the side walls of the left side and the right side of the second wedge block (6), the first wedge block (5) is arranged between the two groups of limiting vertical plates (10), second cylinders (21) are fixedly mounted on the front side and the rear side of the top of the bottom plate (8), the output end of each second cylinder (21) is connected with the corresponding second wedge block (6), the second wedge block (6) is arranged between the two groups of second cylinders (21), electric push rods (7) are fixedly mounted on the front side and the rear side of the top of the third transverse plate (11), and a fourth transverse plate (13) is fixedly mounted at the output end of each electric push rod (7), a supporting seat (9) is fixedly mounted at the middle position of the top of the fourth transverse plate (13), first air cylinders (3) are fixedly mounted at the left end and the right end of the top of the fourth transverse plate (13), a first transverse plate (2) is fixedly mounted at the output end of the first air cylinders (3), a mounting vertical plate (14) is fixedly mounted at the outer side of the top of the first transverse plate (2), a threaded sleeve (1) penetrating through the mounting vertical plate (14) is inlaid at the upper end of the inside of the mounting vertical plate (14), a threaded frame (15) penetrating through the threaded sleeve (1) is arranged inside the threaded sleeve (1), a second sliding rail (20) is fixedly mounted at the inner side of the top of the first transverse plate (2), a limiting frame (17) is mounted inside the second sliding rail (20) through a second sliding block (16), and the inner side of the threaded frame (15) is connected with the side wall of the limiting frame (17), the top inner side of the limiting frame (17) is fixedly provided with a limiting block (19), the inner side wall of the limiting block (19) is pasted with a rubber pad (18), the top left end and the top right end of the third transverse plate (11) are fixedly provided with first sliding rails (4), and first sliding blocks (12) connected with the bottom of the fourth transverse plate (13) are arranged inside the first sliding rails (4).

2. A jig for grinding an end hollow part according to claim 1, wherein: the cross section of the limiting frame (17) is L-shaped.

3. A jig for grinding an end hollow part according to claim 1, wherein: stopper (19) and rubber pad (18) all are provided with two sets ofly, every stopper of group (19) and rubber pad (18) all are provided with two, and two sets ofly stopper (19) and rubber pad (18) all set up about the axis symmetry of fourth diaphragm (13).

4. A jig for grinding an end hollow part according to claim 1, wherein: the thread bushing is characterized in that an internal thread matched with the thread frame (15) is arranged inside the thread bushing (1), and the thread frame (15) is rotatably connected with the limiting frame (17) through a bearing.

5. A jig for grinding an end hollow part according to claim 1, wherein: the cross sections of the first wedge-shaped block (5) and the second wedge-shaped block (6) are both trapezoidal.

6. A jig for grinding an end hollow part according to claim 1, wherein: the cross section of the supporting seat (9) is in a concave shape.