CN113634702A

CN113634702A - Clamping device with good centering effect

Info

Publication number: CN113634702A
Application number: CN202111185800.1A
Authority: CN
Inventors: 高仕恒; 王海平; 高建辉
Original assignee: Xuzhou Dayi Heavy Forging Equipment Co ltd
Current assignee: Xuzhou Dayi Heavy Forging Equipment Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2021-11-12

Abstract

The invention discloses a clamping device with good centering effect, which comprises a slide block, wherein two symmetrical guide rails are arranged on the front side wall of the slide block, an installation block which is in sliding connection with the guide rails is arranged between the two guide rails, a clamping oil cylinder is arranged on the slide block above the mounting block, an output rod of the clamping oil cylinder is fixedly connected with the mounting block, the bottom end of the mounting block is provided with a abdicating groove, the middle part of the notch at the bottom end of the abdicating groove is hinged with a rotating arm, the two sides of the bottom surface of the sliding block are provided with mounting seats, the front end of the mounting seat is provided with an alarm, the bottom end of the mounting seat is provided with a rotatable transmission shaft, an angle sensor is arranged on the end surface of the transmission shaft and is linearly connected with the alarm, the transmission shaft is fixedly connected with a clamping device, and the clamping device comprises a large arm and a connecting wall which are fixed on the transmission shaft. Compared with the prior art, the invention has the advantages that: the centering effect is good, and the centre gripping is stable.

Description

Clamping device with good centering effect

Technical Field

The invention relates to the technical field of clamping equipment, in particular to a clamping device with a good centering effect.

Background

In the forging and cogging process of the bearing and gear ring parts, a round bar stock needs to be subjected to upsetting and punching. In order to ensure that the punch is in the middle of the cake piece, the cake material needs to be centered after the upsetting process is completed. The early punching centering is to finish centering by manpower and place the work of drift, and this work intensity of labour is big, leads to the poor stability of product, and work efficiency is low, for this reason, urgently needs a clamping device that can solve above-mentioned technical problem.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the technical defects and provides a clamping device with good centering effect and stable clamping.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a clamping device with good centering effect comprises a slider, wherein two symmetrical guide rails are installed on the front side wall of the slider, an installation block which is connected with the guide rails in a sliding manner is installed between the two guide rails, a clamping oil cylinder is installed above the installation block on the slider, an output rod of the clamping oil cylinder is fixedly connected with the installation block, a yielding groove is formed in the bottom end of the installation block, a rotary arm is hinged to the middle of a notch at the bottom end of the yielding groove, installation seats are arranged on two sides of the bottom surface of the slider, an alarm is arranged at the front end of each installation seat, a rotatable transmission shaft is arranged at the bottom end of each installation seat, an angle sensor is arranged on the end surface of each transmission shaft and is linearly connected with the alarm, a clamping device is fixedly connected onto the transmission shaft and comprises a large arm and a connecting wall which are fixed onto the transmission shaft, and a small arm is hinged to one end, far away from the transmission shaft, of the large arm, the one end of even wall keeping away from the transmission shaft is articulated with rocking arm bottom, detachable clamp splice is installed to the forearm bottom.

Furthermore, an extension spring is hung between the large arm and the small arm, a handle bolt with an adjustable angle is arranged at the hinged position of the large arm and the small arm, and the included angle between the large arm and the small arm ranges from 80 degrees to 110 degrees.

Furthermore, a V-shaped groove is formed in the bottom end of the clamping block, a plurality of protrusions which are uniformly arranged are arranged on the inner walls of the two sides of the V-shaped groove, and the protrusions are hemispherical.

Furthermore, each transmission shaft is provided with at least 3 mounting seats.

After adopting the structure, the invention has the following advantages:

1. the clamping device is driven by a single rotating arm, so that the large arms symmetrically arranged on two sides drive the small arms to synchronously clamp, clamping deviation is not easy to exist, the synchronism of centering is structurally guaranteed, and the centering efficiency is greatly improved.

2. Through set up angle sensor on the transmission shaft, whether the rotation angle that can monitor two transmission shafts constantly is the same, and when the rotation angle of transmission shaft is different, the alarm reports to the police to avoid the transmission shaft to drive big arm and produce angular deviation in long-time application wearing and tearing, influence centering effect, can in time correct it.

3. The big arm and the small arm are fixedly connected through the handle screw, so that the included angle between the big arm and the small arm can be conveniently adjusted, and meanwhile, the tension spring is arranged between the big arm and the small arm and used for balancing the gravity borne by the small arm, and the phenomenon that the joint of the big arm and the small arm is loosened to generate an angle error is avoided.

4. The clamping device is arranged in the middle of the bottom surface of the sliding block, the oil cylinder and the clamping device are arranged in a staggered mode, the device is favorable for assembly, and production cost is low.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a bottom cross-sectional view of the present invention

Fig. 3 is a schematic view of the structural connection of the present invention.

As shown in the figure: 1. the device comprises a sliding block, 2, a guide rail, 3, an installation block, 4, a clamping oil cylinder, 5, a rotating arm, 6, an installation base, 7, an alarm, 8, a transmission shaft, 9, an angle sensor, 10, a clamping device, 101, a large arm, 102, a connecting wall, 103, a small arm, 104, a clamping block, 105, a V-shaped groove, 106, a protrusion, 11, a tension spring, 12 and a handle bolt.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "above", "front", "middle", "both sides", "bottom", and the like herein indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1, fig. 2 and fig. 3.

In specific implementation of the invention, the clamping device with good centering effect comprises a sliding block 1, two symmetrical guide rails 2 are arranged on the front side wall of the sliding block 1, an installation block 3 connected with the two guide rails in a sliding manner is arranged between the two guide rails 2, a clamping oil cylinder 4 is arranged on the sliding block 1 and positioned above the installation block 3, an output rod of the clamping oil cylinder 4 is fixedly connected with the installation block 3, the bottom end of the installation block 3 is provided with a abdicating groove (not shown in the figure), the middle part of a notch at the bottom end of the abdicating groove is hinged with a rotating arm 5, two sides of the bottom surface of the sliding block 1 are provided with installation seats 6, the front end of each installation seat 6 is provided with an alarm 7, the bottom end of each installation seat 6 is provided with a rotatable transmission shaft 8, the end surface of each transmission shaft 8 is provided with an angle sensor 9, the angle sensors 9 are linearly connected with the alarm 7, and the clamping device 10 is fixedly connected onto the transmission shaft 8, the clamping device 10 comprises a large arm 101 and a connecting wall 102 which are fixed on the transmission shaft 8, wherein one end, far away from the transmission shaft 8, of the large arm 101 is hinged with a small arm 103, one end, far away from the transmission shaft 8, of the connecting wall 102 is hinged with the bottom end of the rotating arm 5, and a detachable clamping block 104 is installed at the bottom end of the small arm 103.

An extension spring 11 is hung between the large arm 101 and the small arm 103, the traction force of the small arm is balanced by the extension spring, a handle bolt 12 with an adjustable angle is arranged at the hinged position of the large arm 101 and the small arm 103, the rotation angle between the small arm and the large arm can be conveniently adjusted, and the included angle between the large arm 101 and the small arm 103 ranges from 80 degrees to 110 degrees.

The bottom of clamp splice 104 is seted up V type groove 105, be equipped with a plurality of align to grid's arch 106 on the both sides inner wall of V type groove 105, arch 106 be hemispherical. The design is in order to increase the frictional force of clamp splice and centre gripping thing like this, prevents that the centre gripping thing from droing.

Each transmission shaft 8 is provided with at least 3 mounting seats 6.

The working principle of the invention is as follows: when the workpiece releasing device is used, a workpiece is arranged below the clamping device through the transmission device, the clamping oil cylinder output rod drives the mounting block to slide upwards, the connecting arm is pulled to rotate along with the upward movement of the rotating arm, the rotating connecting arm drives the large arm and the small arm to synchronously move towards the middle through the transmission shaft, the workpiece is clamped through the clamping block, when the workpiece needs to be released, the output rod of the clamping oil cylinder drives the mounting block to move downwards, the mounting block drives the connecting arm to rotate downwards around the transmission shaft through the rotating arm, and the small arm and the large arm rotate outwards so as to release the workpiece.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an effectual clamping device centers, includes slider (1), its characterized in that: two symmetrical guide rails (2) are installed on the front side wall of the slider (1), two guide rails (2) are installed with a sliding connection installation block (3) therebetween, the slider (1) is provided with a clamping oil cylinder (4) above the installation block (3), an output rod of the clamping oil cylinder (4) is fixedly connected with the installation block (3), a yielding groove is formed in the bottom end of the installation block (3), a rotating arm (5) is hinged to the middle of a notch at the bottom end of the yielding groove, installation seats (6) are arranged on two sides of the bottom surface of the slider (1), an alarm (7) is arranged at the front end of each installation seat (6), a rotatable transmission shaft (8) is arranged at the bottom end of each installation seat (6), an angle sensor (9) is arranged on the end surface of each transmission shaft (8), and the angle sensors (9) are linearly connected with the alarm (7), transmission shaft (8) on fixedly connected with clamping device (10), clamping device (10) including fix big arm (101) on transmission shaft (8) with link wall (102), the one end that transmission shaft (8) were kept away from in big arm (101) articulates there is forearm (103), link wall (102) keep away from the one end of transmission shaft (8) and articulated with rocking arm (5) bottom, detachable clamp splice (104) are installed to forearm (103) bottom.

2. A centering clamping device as claimed in claim 1, wherein: the telescopic arm is characterized in that an extension spring (11) is hung between the large arm (101) and the small arm (103), an angle-adjustable handle bolt (12) is arranged at the hinged position of the large arm (101) and the small arm (103), and an included angle between the large arm (101) and the small arm (103) is 80-110 degrees.

3. A centering clamping device as claimed in claim 1, wherein: v type groove (105) have been seted up to the bottom of clamp splice (104), be equipped with a plurality of align to grid's arch (106) on the both sides inner wall of V type groove (105), arch (106) be hemispherical.

4. A centering clamping device as claimed in claim 1, wherein: each transmission shaft (8) is provided with at least 3 mounting seats (6).