CN219026653U

CN219026653U - Internal expanding clamp

Info

Publication number: CN219026653U
Application number: CN202222842461.6U
Authority: CN
Inventors: 阮康
Original assignee: Dongguan Hengcheng Automotive Equipment Technology Co ltd
Current assignee: Dongguan Hengcheng Automotive Equipment Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-16
Anticipated expiration: 2032-10-27

Abstract

The utility model provides an internal expanding type clamp which comprises a supporting seat, wherein a clamping screw is arranged on the supporting seat, a moving block is symmetrically sleeved on the upper part of the clamping screw, a scale plate is arranged on the side surface of the supporting seat, tensioning plates are symmetrically arranged on the upper part and the lower part of the side surface, two shrinkage grooves are formed in the side surfaces of the two tensioning plates which are symmetrically distributed on the upper part and the lower part, a chute is formed in the lower end of each shrinkage groove, one end or the whole of a coal contact shell is sleeved on the two tensioning plates when the coal contact shell is clamped, a transmission mechanism drives the clamping mechanism to move, the clamping plates in the clamping mechanism are far away from the tensioning plates until a rotary arm rod is perpendicular to the tensioning plates, and the two moving blocks are driven to relatively move far away through rotation of the clamping screw, so that an electrically controlled double internal expanding type detection clamp is formed, and three effects of inner diameter measurement, pressure measurement and fixed clamping are realized.

Description

Internal expanding clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to an internal expanding type coal-contacting shell clamp with a detection function.

Background

The catalyst shell is a shell used for catalysts in an automobile exhaust system, has a circular tube-shaped structure, has high processing precision requirement, has certain processing size requirement, and has thin material and high required circular tube precision in processing, so that after a processed product is formed, deep processing procedures such as rounding or measuring are performed to ensure that the shell can be completely used for safety and use in the exhaust system.

The car touches coal shell and need carry out the centre gripping fixed to it at deep processing's in-process, current anchor clamps are most to the car touch the outer wall of coal shell and carry out the centre gripping fixed, when handling the surface of car touch the coal shell after the centre gripping like this, it is very inconvenient, and the position of quilt centre gripping then can't handle, need handle again after changing the centre gripping position, dismantle the centre gripping many times, can't guarantee the accuracy of its location, machining precision has been reduced, and the operation is comparatively loaded down with trivial details, greatly reduced work efficiency, and because the material is thin, its material thickness control is around 2mm, the deformation of its tubular part is also caused easily to the centre gripping many times. The existing coal-touching shell clamp has single function, can not simultaneously measure the inner diameter and the pressure capability of the coal-touching shell in the process of clamping and fixing the coal-touching shell, and a worker needs to manually or by other mechanical equipment to perform additional measurement.

Disclosure of Invention

The utility model aims to provide an internal expanding type coal-contacting shell clamp with a detection function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an internal expanding anchor clamps, includes supporting seat, its characterized in that: the side of supporting seat passes through the bolt and installs E type seat, the inboard of E type seat installs the centre gripping screw rod, and the side bilateral symmetry welding of E type seat has a pair of L type fixed block, the symmetry sets up and threaded connection has two movable blocks on the centre gripping screw rod, the side of E type seat is provided with the scale plate, the side of E type seat is provided with the tensioning plate from top to bottom symmetrically, and is connected with the movable block respectively, and two tensioning plates outwards remove or the amalgamation piece removal by the unified rotatory drive of centre gripping screw rod, two shrink grooves have all been seted up to the side of two tensioning plates of upper and lower symmetric distribution, the spout has been seted up to the lower extreme correspondence position of shrink groove, the rectangle leads to the groove has been seted up to the upper end of tensioning plate, the upper end welding of tensioning plate has the pilot plate, and corresponds with the scale plate, but symmetrical mounting free expansion's fixture on the tensioning plate respectively, and locate shrink groove within range slip, install drive mechanism in the spout, open or shrink by drive mechanism drive clamping mechanism, but open or shrink, form the two outside internal stretching clamp of free electric control.

Preferably, the clamping mechanism comprises: the tension device comprises a rotary gear, a rotary arm rod, a clamping plate and a protection pad, wherein the rotary gear is rotationally connected in the tension plate through a pin shaft, the rotary arm rod is welded on the side face of the rotary gear, the rotary arm rod is in sliding connection with a shrinkage groove, one end of the rotary arm rod, which is far away from the rotary gear, is hinged with the clamping plate, the protection pad is bonded on the side face of the clamping plate, and the top of the protection pad is flush with the top of the indication plate.

Preferably, the transmission mechanism comprises: the movable plate, transmission pinion rack and electric telescopic handle, sliding connection fly leaf in the spout, the upper end symmetry welding transmission pinion rack of fly leaf, transmission pinion rack and rotary gear meshing, the electric telescopic handle is welded to the one end of fly leaf, electric telescopic handle imbeds in the tensioning board, drives the fly leaf through electric telescopic handle is slided along the spout, and the fly leaf drives the transmission pinion rack simultaneously and removes to drive clamping mechanism and open or tighten up.

Preferably, the clamping screw is a round rod, left-handed threads and right-handed threads are symmetrically arranged at two ends of the round rod, the left-handed threads and the right-handed threads are respectively arranged on the two moving blocks, the clamping screw is rotated in the same direction, the two moving blocks are driven to move in the clamping direction or in a separated mode, and the clamping screw is rotationally connected with the E-shaped seat.

Preferably, one end of the tensioning plate is connected with the moving block through a bolt.

Preferentially, the scale plate is connected with the L-shaped fixed block through a screw, a nut is sleeved at one end of the screw, the scale plate penetrates through the rectangular through groove, and the scale plate is in sliding connection with the rectangular through groove.

Preferentially, the indication arrow is welded on the indication board, the indication arrow corresponds to the scale board, the tensioning board is in a long rod shape, so that the whole or part of the coal-touching shell tube is conveniently clamped, and the contact area is large. And a pressure sensor is arranged between the clamping plate and the protection pad.

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

the internal stretching type coal-touching shell clamp is reasonable in structural design, simple and convenient to operate and high in practicability, when an automobile coal-touching shell is required to be clamped and fixed, one end or the whole of the coal-touching shell is sleeved on two tensioning plates, then a transmission mechanism drives a clamping mechanism to move, the clamping plates in the clamping mechanism are far away from the tensioning plates until a rotary arm rod is perpendicular to the tensioning plates, then two moving blocks are driven to relatively move far away through rotation of a clamping screw rod, meanwhile, the two moving blocks drive the two tensioning plates to relatively move far away, the tensioning plates drive the clamping mechanism to move, the two clamping mechanisms support the inner wall of the coal-touching shell, and the coal-touching shell is clamped and fixed in the two clamping mechanisms through Zhang Conger; when the clamping mechanism clamps and fixes the coal-touching shell, the indication arrow points to the scale mark on the scale plate, and a pressure sensor is arranged on the indication plate, so that the inner diameter and the pressure value of the coal-touching shell can be seen; the internal clamp is used for clamping and fixing the coal-touching shell, the outer surface of the coal-touching shell of the automobile cannot be affected, and the inner diameter and the pressure of the coal-touching shell can be measured while clamping, so that the function of the clamp is improved, and meanwhile, the working efficiency is greatly improved.

2. The clamping screw is controlled by electric power to uniformly rotate to drive the two tensioning plates to be outwards opened or spliced, the tensioning plates are symmetrically provided with clamping mechanisms capable of being freely expanded and slide in the range of the shrinkage groove, the transmission mechanism is arranged in the chute, the clamping mechanisms are driven by the transmission mechanism to be outwards opened or shrunk, the pressure sensor is arranged, the double-internal-opening type detection and fixing clamp capable of being controlled by electric power is formed, the tensioning plates are in a long rod shape, the clamping of the whole or part of the coal-touching shell is facilitated, the clamping of any part can be realized, the contact area is large, and the clamping device is very applicable and accurate and controllable.

3. The device has the advantages of simple and practical use method and strong controllability, simultaneously realizes three effects of inner diameter measurement, pressure measurement and fixed clamping of the coal contact shell for other external processing, and is very suitable for the requirements of precise deep processing of the coal contact shell tube.

Drawings

FIG. 1 is a schematic diagram of the structure of an internal-expanding coal-contacting shell clamp of the utility model;

FIG. 2 is a schematic view of the structure of the E-type seat, clamping screw and scale plate of the present utility model;

fig. 3 is a schematic view of the structure of the tensioning plate, clamping mechanism and transmission mechanism of the present utility model.

In the figure: 1. a support base; 2. an E-shaped seat; 21. clamping a screw; 22. an L-shaped fixed block; 23. a moving block; 3. a scale plate; 4. a tensioning plate; 41. a shrink tank; 42. a chute; 43. rectangular through grooves; 44. an indication board; 5. a rotary gear; 51. a rotary arm; 52. a clamping plate; 53. a protective pad; 6. a movable plate; 61. a drive toothed plate; 62. an electric telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an internal expanding type touch coal shell anchor clamps with detect function, includes supporting seat 1, and E type seat 2 is installed through the bolt to the side of supporting seat 1, and clamping screw 21 is installed to the inboard of E type seat 2, and left-handed screw and right-handed screw have been seted up to the both ends symmetry that clamping screw 21 was a round bar, and clamping screw 21 rotates with E type seat 2 to be connected, and the one end of clamping screw 21 and the output shaft joint of motor, and the motor passes through the bolt to be installed in the upper end of E type seat 2.

The side bilateral symmetry welding of E type seat 2 has a pair of L type fixed block 22, the upper symmetry cover of clamping screw 21 is equipped with movable block 23, the side of E type seat 2 is provided with scale plate 3, the side of E type seat 2 is provided with tensioning plate 4 from top to bottom symmetry, movable block 23 and clamping screw 21 threaded connection, the one end of tensioning plate 4 passes through the bolt and is connected with movable block 23, two shrink grooves 41 have all been seted up to the side of two tensioning plates 4 of upper and lower symmetry distribution, spout 42 has been seted up to the lower extreme of shrink groove 41, rectangular through groove 43 has been seted up to the upper end of tensioning plate 4, scale plate 3 passes through rectangular through groove 43 with the cover of L type fixed block 22, and scale plate 3 and rectangular through groove 43 sliding connection, drive clamping screw 21 through the motor shaft rotates, make two movable blocks 23 remove along clamping screw 21, two movable blocks 23 keep away from or be close to each other, two tensioning plates 4 are kept away from or are close to each other to drive two tensioning plates 4, when tensioning plate 4 removes, both rectangular through the scale plate 3 slides along rectangular through groove 43, scale plate 3 up and down along rectangular through scale plate 3.

The upper end welding of tensioning board 4 has the instruction board 44, has the instruction arrow on the instruction board 44, and the instruction arrow on the instruction board 44 points to the scale mark on the scale board 3, installs fixture on the tensioning board 4, and fixture is including: the rotary gear 5, the rotary arm rod 51, the clamping plate 52 and the protection pad 53 are rotationally connected with the rotary gear 5 through a pin shaft in the tensioning plate 4, the rotary arm rod 51 is welded on the side face of the rotary gear 5, the rotary arm rod 51 is in sliding connection with the shrinkage groove 41, the clamping plate 52 is hinged to one end, far away from the rotary gear 5, of the rotary arm rod 51, the protection pad 53 is bonded on the side face of the clamping plate 52, a pressure sensor (the sensor of the pressure sensor is not marked in the figure) is further arranged between the clamping plate 52 and the protection pad 53, the top of the protection pad 53 is flush with the top of the indicating plate 44, the rotary gear 5 is arranged in the shrinkage groove 41, when the clamping mechanism clamps a coal shell, the pressure sensor simultaneously measures the pressure, the protection pad 53 contacts with the inner wall of the coal shell, and deformation of the coal shell caused by overlarge clamping force is prevented.

A transmission mechanism is arranged in the chute 42, and the transmission mechanism comprises: the movable plate 6, the transmission toothed plate 61 and the electric telescopic rod 62 are connected with the movable plate 6 in a sliding way in the sliding groove 42, the transmission toothed plate 61 is symmetrically welded at the upper end of the movable plate 6, the transmission toothed plate 61 is meshed with the rotary gear 5, the electric telescopic rod 62 is welded at one end of the movable plate 6, the electric telescopic rod 62 is embedded in the tensioning plate 4, the movable plate 6 is driven to slide along the sliding groove 42 through the expansion of the electric telescopic rod 62, and meanwhile the movable plate 6 drives the transmission toothed plate 61 to move, so that the clamping mechanism is driven to open or tighten.

When the car coal touching shell needs to be clamped, one end of the coal touching shell is sleeved or integrally sleeved on the two tensioning plates 4, the electric telescopic rods 62 extend out, the movable plates 6 are pushed by the electric telescopic rods 62 to slide along the sliding grooves 42, the movable plates 6 drive the transmission toothed plates 61 to move, the transmission toothed plates 61 drive the rotary gears 5 to rotate, the rotary gears 5 drive the rotary arm rods 51 to rotate outwards, the rotary arm rods 51 drive the clamping plates 52 to be far away from the tensioning plates 4 until the rotary arm rods 51 are vertical to the tensioning plates 4, the motor shafts drive the clamping screws 21 to rotate, the two moving blocks 23 move along the clamping screws 21, the two moving blocks 23 move relatively far away, meanwhile, the two moving blocks 23 drive the two tensioning plates 4 to move relatively far away, the clamping mechanisms drive the clamping mechanisms to support and fix the inner wall of the coal touching shell, and the coal touching shell is clamped and fixed through the two clamping mechanisms outwards and inwards Zhang Conger; when the tensioning plate 4 moves to drive the indicating plate 44 to move, and when the clamping mechanism clamps and fixes the coal-contacting shell, an indicating arrow on the indicating plate 44 points to a scale mark on the scale plate 3, and a pressure sensor is arranged, so that the inner diameter and the pressure value of the coal-contacting shell can be seen; the internal clamp is used for clamping and fixing the coal-touching shell, so that the outer surface of the automobile coal-touching shell is not affected, the inner diameter and the pressure of the coal-touching shell can be measured while clamping, the function of the clamp is improved, and meanwhile, the working efficiency is greatly improved; when the clamping is completed, the clamping mechanism is driven by the transmission mechanism to tighten inwards, so that the clamping mechanism approaches the tensioning plate 4, and the coal-contacting shell is conveniently taken down.

The principle and the using method of the device are a measuring method of the inner diameter and the compression capacity of the coal-touching shell or a fixing method of the coal-touching shell.

The measurement comprises the following steps:

s1, one end or the whole of the coal-touching shell is sleeved on two tensioning plates, and then the clamping mechanism is driven to move through the transmission mechanism, so that the clamping plates in the clamping mechanism are far away from the tensioning plates until the rotary arm rod is vertical to the tensioning plates;

s2, driving the two moving blocks to move relatively far away through rotation of the clamping screw rods, driving the two tensioning plates to move relatively far away, driving the clamping mechanisms to move by the tensioning plates, supporting the inner wall of the coal-contacting shell through the two clamping mechanisms, and clamping and fixing the coal-contacting shell through Zhang Conger in the two clamping mechanisms;

s3, driving the indicating plate to move when the tensioning plate moves, and when the clamping mechanism clamps and fixes the coal-touching shell, indicating arrows on the indicating plate point to scale marks on the scale plate, so that the inner diameter of the coal-touching shell can be seen; the pressure sensor between the clamping plate and the protection pad can measure the normal pressure-bearing capacity of the inner shell of the coal-contacting shell.

Meanwhile, the method comprises the following measurement processing modes:

1) When the measured internal diameter or pressure value is in the normal standard range, the product is qualified, and the next processing procedure is processed normally according to the normal range value.

2) When the measured internal diameter or pressure value exceeds the normal standard range value, but at an acceptable area value, the next processing procedure is correspondingly processed according to the range exceeding the acceptable range.

3) When the measured internal diameter or pressure value exceeds the normal standard range value and is at an unacceptable area value, the product is a defective product, the next working procedure is not carried out, and the previous shaping working procedure is returned.

When the pressure value of the maximum expansion of the spot check product is required to be measured, the tension plate moves to continue to expand until the coal-touching shell tube is slightly deformed, so that the pressure value is obtained, and the spot check is carried out without conventional detection.

If additional second clamping processing is needed, the driving of the tensioning plate motor can be accurately controlled through the pressure range and the inner diameter value, so that more accurate and rapid expansion clamping is achieved, and more precise driving processing is achieved.

The clamping screw is controlled by electric power to uniformly rotate to drive the two tensioning plates to open or split outwards, the tensioning plates are symmetrically provided with clamping mechanisms capable of expanding freely and are arranged in the range of the shrinkage groove to slide, the transmission mechanism is arranged in the chute, the clamping mechanisms are driven by the transmission mechanism to open or shrink outwards, the sensor is arranged, the double-internal-expansion type detection and fixing clamp capable of being controlled by electric power is formed, the tensioning plates are in a long rod shape, the clamping of the whole or part of the coal-touching shell tube is facilitated, the clamping of any part can be realized, the contact area is large, the device is very suitable, and the device is completely driven by electric power (the motor driving principle is controlled, the pressure sensor and the circuit are not used for further description, and belongs to the mature technical principle), and the device is very accurate and controllable.

The device has the advantages of simple and practical use method and strong controllability, achieves two use effects of measurement and fixed use processing, and is very suitable for the requirement of precise deep processing of the subsequent coal-contact shell tube.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An internal expanding clamp comprises a supporting seat (1), and is characterized in that: clamping screw (21) are equipped with in supporting seat (1), clamping screw (21) go up symmetry setting and threaded connection have two movable blocks (23), and the side is provided with scale plate (3), movable block (23) be connected with tensioning plate (4), and upper and lower symmetry setting, two shrink grooves (41) have all been seted up to the side of two tensioning plates (4), spout (42) have been seted up in the lower extreme corresponding position of shrink groove (41), the upper end welding of tensioning plate (4) has instruction board (44), and corresponds with scale plate (3), but the fixture of free expansion is installed to symmetry on tensioning plate (4) respectively, install drive mechanism in spout (42), outwards open or shrink by drive mechanism drive, fixture, form two internal tension and detect anchor clamps.

2. An internal expanding clamp as claimed in claim 1, wherein: the clamping mechanism comprises: the rotary arm rod (51) is connected with the rotary gear (5) through pin shaft rotation in the tensioning plate (4), the rotary arm rod (51) is welded on the side face of the rotary gear (5), the rotary arm rod (51) is connected with the shrinkage groove (41) in a sliding mode, one end, far away from the rotary gear (5), of the rotary arm rod (51) is hinged with the clamping plate (52), the side face of the clamping plate (52) is adhered with the protection pad (53), and the top of the protection pad (53) is flush with the top of the indication plate (44).

3. An internal expanding clamp as claimed in claim 1, wherein: the transmission mechanism comprises: fly leaf (6), transmission pinion rack (61) and electric telescopic handle (62), spout (42) sliding connection fly leaf (6), upper end symmetry welding transmission pinion rack (61) of fly leaf (6), transmission pinion rack (61) and rotation gear (5) meshing, the one end welding electric telescopic handle (62) of fly leaf (6), electric telescopic handle (62) imbeds in tensioning board (4), drives fly leaf (6) through electric telescopic handle (62) are flexible to slide along spout (42), and fly leaf (6) drive transmission pinion rack (61) simultaneously to drive clamping mechanism and open or tighten up.

4. An internal expanding clamp as claimed in claim 1, wherein: e type seat (2) are installed through the bolt to the side of supporting seat (1), clamping screw (21) are installed to the inboard of E type seat (2), and the side bilateral symmetry welding of E type seat (2) is a pair of L type fixed block (22), the side of E type seat (2) sets up scale plate (3), the side of E type seat (2) sets up tensioning board (4) from top to bottom symmetry, rectangle logical groove (43) have been seted up to the upper end of tensioning board (4), clamping mechanism locates and contracts groove (41) within range and slide.

5. An internal expanding clamp as claimed in claim 1, wherein: the clamping screw (21) is characterized in that left-handed threads and right-handed threads are symmetrically formed in two ends of a round rod, left-handed threads and right-handed threads are respectively formed in two moving blocks (23) to enable the clamping screw (21) to rotate in the same direction, so that the two moving blocks (23) are driven to clamp in the same direction or to move in a separated mode, and the clamping screw (21) is rotationally connected with the E-shaped seat (2).

6. An internal expanding clamp as claimed in claim 1, wherein: one end of the tensioning plate (4) is connected with the moving block (23) through a bolt.

7. An internal expanding clamp as defined in claim 4, wherein: the scale plate (3) is connected with the L-shaped fixed block (22) through a screw, a nut is sleeved at one end of the screw, the scale plate (3) penetrates through the rectangular through groove (43), and the scale plate (3) is in sliding connection with the rectangular through groove (43).

8. An internal expanding clamp as defined in claim 7, wherein: an indication arrow is welded on the indication plate (44), and the indication arrow corresponds to the scale plate (3).

9. An internal expanding clamp as claimed in claim 1, wherein: the tensioning plate (4) is in a long rod shape.

10. An internal expanding clamp as claimed in claim 2, wherein: and a pressure sensor is arranged between the clamping plate (52) and the protection pad (53).