CN218137445U

CN218137445U - Adjustable hold-down mechanism

Info

Publication number: CN218137445U
Application number: CN202221762931.1U
Authority: CN
Inventors: 林玉清; 黄阿彬; 高达勇; 花俊; 蔡礼泽; 王禹; 罗昌展
Original assignee: Fuzhou Fuyao Mould Technology Co ltd
Current assignee: Fuzhou Fuyao Mould Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-12-27
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to the technical field of fixtures and inspection tool equipment, in particular to an adjustable pressing mechanism, which comprises a positioning component and a push-clamp component which are arranged oppositely, wherein a to-be-detected piece is clamped between the push-clamp component and the positioning component, and the push-clamp component comprises a push rod, a movable pressure head, a reset piece and a fixed seat; the fixing base be equipped with locating component relative the locating part that sets up, the locating part is passed in the horizontal activity of push rod, the push rod is close to locating component one end with the activity pressure head is connected, reset the piece cover and locate the push rod outside and by the clamp locate between activity pressure head and the locating part, just the push rod is in activity space has in the axial between activity pressure head and the locating part, wait to detect the piece and be pressed from both sides and locate activity pressure head with between the locating component. The pressing force can be prevented from being excessive to cause damage to the piece to be detected, and the purpose of pressing and stabilizing the piece to be detected can be achieved quickly and effectively.

Description

Adjustable hold-down mechanism

Technical Field

The utility model relates to an anchor clamps and examine a frock technical field, especially relate to an adjustable hold-down mechanism.

Background

The bright trim strip of car is as the decoration of car, can promote the aesthetic property and the automobile body grade of car on the whole. Before formal use, the bright decoration strip needs to be subjected to precision detection, and the detection method comprises the following steps: referring to fig. 1, firstly, the bright decoration strip is placed on the inspection tool (2) as the object to be inspected (1) for positioning and then measurement is performed. The existing positioning detection tool is matched with a pressing mechanism by adopting a positioning assembly (3) to press and position the bright decorative strip, so that the mounting precision of the bright decorative strip is ensured. Specifically, the bright decorative strip is placed on the lateral positioning block and the forward positioning block, and then the bright decorative strip is clamped together with the lateral positioning block and the forward positioning block in the lateral direction and the forward direction through at least two pressing mechanisms, so that the bright decorative strip is pressed and positioned on the detection tool (2).

Hold-down mechanism is including pushing away clamp assembly (4) that can follow length direction towards the motion of side direction locating piece, current hold-down mechanism's the drive that pushes away the clamp and rely on lever pressing tongs (41) and move, because lever pressing tongs (41) dynamics is fixed, and the different bright trim between the thickness differ, lever pressing tongs (41) are used in the power of pushing away on the clamp and can't control the power degree of exerting according to the thickness of bright trim, easily because exert the too big product of leading to of dynamics on bright trim to press the bending deformation, the influence is to precision and the accuracy judgement nature of product detection.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a pressing mechanism capable of adaptively adjusting the pressing force is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the adjustable pressing mechanism comprises a positioning assembly and a push-clamp assembly which are oppositely arranged, a piece to be detected is clamped between the push-clamp assembly and the positioning assembly, and the push-clamp assembly comprises a push rod, a movable pressure head, a reset piece and a fixed seat;

the fixing base is provided with a limiting part, the push rod horizontally penetrates through the limiting part, one end of the push rod is close to the positioning assembly and is connected with the movable pressure head, the reset piece is sleeved outside the push rod and clamped between the movable pressure head and the limiting part, and the piece to be detected is clamped between the movable pressure head and the positioning assembly.

Furthermore, a limiting part which is abutted against the reset part is arranged in the limiting part.

Furthermore, the lateral wall of locating part is seted up along the spout of axial distribution, the opening orientation of spout is kept away from locating component's one side sets up, be equipped with on the push rod can be in gliding spacer pin in the spout.

Furthermore, the spout is provided with two, and two the spout is followed the radial symmetry of locating part sets up, the both ends of spacer pin inlay respectively in locating corresponding the spout.

Furthermore, one end of the push rod, which is far away from the positioning assembly, is also provided with a limiting sleeve, and the outer wall of the limiting sleeve is provided with a resistance surface.

Further, the reset piece is a pressure spring.

Furthermore, the limiting part comprises a shaft barrel and a shaft seat arranged around the outer edge of the shaft barrel, the shaft barrel is embedded in the fixing block, and the shaft seat is abutted against one end, far away from the positioning assembly, of the fixing seat. The limiting part comprises a shaft barrel and a shaft seat arranged on the outer edge of the shaft barrel in a surrounding mode, the shaft barrel is embedded in the fixed seat, and the shaft seat is abutted against one side, far away from the positioning assembly, of the fixed seat.

Furthermore, the positioning assembly comprises a first positioning block, the push rod and the first positioning block are arranged oppositely, and the first positioning block and the movable pressure head are clamped on the edge of the piece to be detected together.

Furthermore, the positioning assembly further comprises a second positioning block arranged right below the piece to be detected and a pressing piece arranged right above the piece to be detected, and the pressing piece and the second positioning block are clamped on the front and back surfaces of the piece to be detected together.

Further, the push rod is provided with a movable gap between the push rod and the movable pressure head in the axial direction.

The beneficial effects of the utility model reside in that: the utility model provides an adjustable hold-down mechanism, through establish the piece that resets at the push rod overcoat and will reset the piece clamp and establish between activity pressure head and locating part, through moving the push rod towards the locating component direction along the axial displacement, make activity pressure head can with the common centre gripping of locating component wait to detect the piece, the activity pressure head receives the piece effect self-adaptation regulation that resets and acts on the packing force that waits to detect on the piece, thereby can wait to detect the packing force that the thickness regulation of piece acted on waiting to detect, prevent that the packing force from excessively causing and wait to detect the piece and damage, also can fast effectual reach compresses tightly the purpose that the piece was detected to the firm.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

fig. 2 is a schematic structural view of an adjustable pressing mechanism of the present invention;

figure 3 shows an exploded view of the push-clamp assembly of the adjustable hold-down mechanism of the present invention

Fig. 4 is a schematic view illustrating an operation state of the push-clamp assembly of the adjustable pressing mechanism of the present invention;

fig. 5 is a schematic view illustrating a non-operating state of a push-clamp assembly of an adjustable pressing mechanism according to the present invention;

fig. 6 is a schematic structural view of a limiting member of an adjustable pressing mechanism according to the present invention;

description of the prior art reference numbers:

1. a piece to be detected; 2. a checking fixture; 3. a positioning assembly; 4. a push-clamp assembly; 41. a lever pressing clamp.

The utility model discloses a reference numeral explains:

1. a piece to be detected; 3. a positioning assembly; 31. a first positioning block; 32. a second positioning block; 4. a push-clamp assembly; 42. A push rod; 43. a movable pressure head; 44. a limiting member; 45. a reset member; 46. a fixed seat; 47. a limiting sleeve; 441. a shaft cylinder; 442. a shaft seat; 443. a chute; 5. a base; 51. a boss; 511. fixing grooves; 6. And a pressing member.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 2 to 6, the present invention provides an adjustable pressing mechanism, which includes a positioning assembly and a pushing and clamping assembly, wherein the positioning assembly and the pushing and clamping assembly are arranged oppositely, a to-be-detected object is clamped between the pushing and clamping assembly and the positioning assembly, and the pushing and clamping assembly includes a push rod, a movable pressure head, a reset element and a fixing seat;

From the above description, the beneficial effects of the present invention are: the utility model provides an adjustable hold-down mechanism, through establish the piece that resets at the push rod overcoat and will reset the piece clamp and establish between movable pressure head and locating part, move towards the locating component direction through along the axial displacement push rod, make movable pressure head can with the common centre gripping of locating component wait to detect the piece, movable pressure head receives the self-adaptation regulation of the piece effect that resets and acts on the packing force that waits to detect on the piece, thereby can be according to waiting to detect the thickness regulation of piece and act on waiting to detect the packing force, prevent that the packing force from excessively causing to detect a damage, also can fast effectual reach and compress tightly the purpose of waiting to detect the piece.

Furthermore, a limiting part which is pressed against the reset part is arranged in the limiting part.

As can be seen from the above description, the limiting part is pressed against the reset part by the limiting part, so that the reset part can be pressed between the movable pressing head and the limiting part at any time to maintain the pressing force.

From the above description, the push rod can slide in the spout through the spacer pin, drives the movable pressure head and waits to detect the mode that a piece compressed tightly, and the spout can realize spacingly to the removal of push rod. Meanwhile, when the limiting pin on the push rod is moved to the position limiting part and is far away from one end of the positioning component to the outside, the limiting pin can be separated from the sliding groove by rotating the push rod, the limiting pin is abutted against the end face of the position limiting part, which is far away from one end of the positioning component, and the movable pressure head is separated from the part to be detected. The push rod realizes the limiting effect on the moving process of the push rod through the matching of the limiting pin and the sliding groove.

From the above description, it can be known that the stability of the limiting pin in the moving process along the sliding grooves can be improved by symmetrically arranging the two sliding grooves along the radial direction of the limiting piece.

As can be known from the above description, the end of the push rod far away from the positioning assembly is further provided with the limiting sleeve, so that the push rod can be conveniently driven to move along the axial direction and rotate along the circumferential direction.

Further, the reset piece is a pressure spring.

From the above description, the reset piece is a pressure spring, and the pressure spring has good self-adaptive force and can realize self-adaptive adjustment according to the thickness of the piece to be detected.

Furthermore, the limiting part comprises a shaft cylinder and a shaft seat arranged on the outer edge of the shaft cylinder in a surrounding mode, the shaft cylinder is embedded in the fixed seat, and the shaft seat is abutted against one side, away from the positioning assembly, of the fixed seat.

From the above description, the shaft sleeve of the limiting part is embedded in the fixing block, the shaft seat is abutted against one end of the fixing seat far away from the positioning component, and the shaft seat can be abutted against the limiting pin to limit the push rod.

According to the above description, the first positioning block and the movable pressure head clamp the edge of the piece to be detected together, the edge of the piece to be detected is pressed and positioned in a clamping mode, and the purpose of laterally pressing the piece to be detected can be achieved quickly and effectively.

Furthermore, the positioning assembly further comprises a second positioning block arranged right below the piece to be detected and a pressing piece arranged right above the piece to be detected, and the pressing piece and the second positioning block are clamped on the front side and the back side of the piece to be detected together.

According to the above description, the positioning assembly can compress and position the front and back surfaces of the piece to be detected through the second positioning block and the pressing piece, the movable pressing head and the first positioning block can be better matched to compress and position the piece to be detected in the lateral direction, and meanwhile, the piece to be detected can be ensured to be positioned on the tool in the lateral direction and in the forward direction.

As can be seen from the above description, the movable gap between the push rod and the movable pressure head in the axial direction ensures the moving space between the push rod and the movable pressure head.

Application scenarios: the utility model provides a pair of adjustable hold-down mechanism mainly uses in the automobile accessories, like the location processing of bright trim.

Referring to fig. 2 to 6, a first embodiment of the present invention is: the utility model provides an adjustable hold-down mechanism, including base 5, set up locating component 3 and the push away clamp assembly 4 that just is relative setting on base 5, locating component 3 includes and is the first locating piece 31 of relative interval setting, sets up at base 5's up end and is located push away clamp assembly 4 and the second locating piece 32 between first locating piece 31 and just to setting up the compressing part 6 in second locating piece 32 top with push away clamp assembly 4 on the horizontal direction. The structure of the pressing piece is the same as that of the push-clamp assembly in the prior art, and the pressing piece is the push-clamp assembly applied to clamping the bright decoration strip in the vertical direction in the prior art.

In this embodiment, a boss 51 is disposed at the middle position of the base 5, and a fixing groove 511 is disposed on the boss 51. The second positioning block 32 is disposed in the fixing groove 511, the bottom of the first positioning block 31 is fixed to one side of the boss 51, and the upper portion of the first positioning block 31 is used for abutting against the element 1 to be detected. Preferably, the object to be detected is a decorative part of an automobile.

In this embodiment, the push-clamp assembly 4 includes a push rod 42, a movable pressure head 43, a limiting member 44, a reset member 45 and a fixing seat 46, the fixing seat 46 is L-shaped, and the bottom of the fixing seat 46 is fixed on the base 5 and located on the other side of the boss 51. The limiting member 44 includes a shaft cylinder 441 and a shaft seat 442 disposed around the outer edge of the shaft cylinder 441, the shaft cylinder 441 of the limiting member 44 horizontally passes through the fixing seat 46 and is disposed opposite to the abutting portion of the first positioning block 31, and the shaft seat 442 passes through the fixing seat 46 and abuts against a side wall of one end of the fixing seat 46 far away from the positioning assembly 3. The limiting member 44 is provided with a shaft hole adapted to the push rod 42, and the push rod 42 is slidably disposed in the shaft hole. The limiting seat is further provided with a sliding groove 443 axially distributed on the side wall of the shaft hole, the sliding groove 443 extends from the shaft seat 442 to the middle of the shaft cylinder 441, the sliding groove 443 is further provided with a notch, and the notch is located on the shaft seat 442. In addition, the number of the sliding grooves 443 is two, and the two sliding grooves 443 are symmetrically arranged in the radial direction of the stopper 44.

In this embodiment, the push rod 42 is a cylindrical rod, two ends of the push rod 42 respectively penetrate through the shaft holes of the limiting seats to the outside, one end of the push rod 42 close to the positioning component 3 is connected with the movable pressure head 43, one end of the push rod 42 far away from the positioning component 3 is provided with two limiting pins symmetrically arranged along the radial direction, and the two limiting pins can be respectively embedded in the two sliding grooves 443 and slide along the sliding grooves 443.

In this embodiment, the restoring member 45 is preferably a compression spring, and the restoring member 45 is sleeved outside the push rod 42 and is sandwiched between the movable ram 43 and the limiting member 44. Specifically, the inner side wall of the end of the shaft cylinder 441 of the limiting member 44 close to the shaft seat 442 is provided with a limiting portion, and two ends of the reset member 45 respectively abut against the movable pressure head 43 and the limiting portion. The pressure spring is selected as the reset piece 45, the circle diameter and the circle number of the pressure spring can be adjusted according to the bearing capacity of the piece to be detected 1, and the pressure spring is replaced, so that the pressure requirement of the piece to be detected 1 is met.

In this embodiment, the movable pressure head 43 is preferably made of nylon, and the nylon has good flexibility, so that the movable pressure head 43 and the piece 1 to be detected can reduce abrasion damage when being pressed tightly. One end of the movable pressure head 43 is provided with a fixing hole matched with one end of the push rod 42 close to the positioning component 3, and one end of the push rod 42 close to the positioning component 3 is installed in the fixing hole in a pluggable manner.

In this embodiment, a limiting sleeve 47 is further disposed at one end of the push rod 42, which is far away from the positioning assembly 3, and an outer wall of the limiting sleeve 47 has a resistance surface, which is preferably a rhombus road surface, and the push rod 42 is conveniently driven by hand to move along the axial direction and rotate along the circumferential direction through the resistance surface.

The working principle is as follows:

1. moving a push rod 42 of the push-clamp assembly 4 in a direction away from one end of the positioning assembly 3, rotating the push rod 42 around the axial direction simultaneously, so that a limit pin abuts against the outer side wall of the shaft seat 442, and at the moment, a placing space for placing the to-be-detected part 1 is formed between the movable pressure head 43 and the first positioning block 31;

2. placing the piece 1 to be detected on the second positioning block 32, simultaneously enabling the side face of the piece 1 to be detected to be in contact with the first positioning block 31, and driving the pressing piece 6 to press the front face of the piece 1 to be detected;

3. the push rod 42 of the push-clamp assembly 4 moves along the direction away from one end of the positioning assembly 3 and rotates the push rod 42 until the limit pin is aligned with the sliding groove 443, then the push rod 42 is slowly loosened, the push rod 42 is acted by the reset force of the reset piece 45 to move the limit pin along the sliding groove 443 until the limit pin abuts against the bottom of the sliding groove 443, and at the moment, the movable press head 43 abuts against the other side surface of the to-be-detected piece 1, so that the movable press head 43 and the first positioning block 31 clamp the to-be-detected piece 1 in the lateral direction together.

To sum up, the utility model provides a pair of adjustable hold-down mechanism, through establish at the push rod overcoat that resets and will reset the piece clamp and establish between activity pressure head and locating part, through moving the push rod towards the locating component direction along the axial displacement, make the activity pressure head can wait to detect the piece with the common centre gripping of locating component, the activity pressure head receives the packing force that resets that the piece effect self-adaptation regulation acts on waiting to detect the piece, thereby can be according to waiting to detect the packing force that the thickness adjustment of piece acted on waiting to detect the piece, prevent that the packing force from excessively causing to detect the piece and damaging, also can fast effectual reach compress tightly the purpose of waiting to detect the piece.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. An adjustable pressing mechanism comprises a positioning assembly and a push-clamp assembly which are oppositely arranged, and a piece to be detected is clamped between the push-clamp assembly and the positioning assembly, and is characterized in that the push-clamp assembly comprises a push rod, a movable pressure head, a reset piece and a fixed seat;

2. The adjustable clamping mechanism of claim 1 wherein said retaining member defines a retaining portion that abuts against said reset member.

3. The adjustable pressing mechanism according to claim 1, wherein the side wall of the position-limiting member is provided with sliding grooves distributed along the axial direction, the opening of the sliding groove is disposed toward a side away from the positioning assembly, and the push rod is provided with a position-limiting pin capable of sliding in the sliding groove.

4. The adjustable pressing mechanism according to claim 3, wherein there are two sliding grooves, the two sliding grooves are symmetrically disposed along a radial direction of the limiting member, and two ends of the limiting pin are slidably inserted into the corresponding sliding grooves respectively.

5. The adjustable compression mechanism of claim 1, wherein a stop collar is further disposed at an end of the push rod away from the positioning assembly, and an outer wall of the stop collar has a resistance surface.

6. The adjustable hold-down mechanism of claim 1, wherein the return member is a compression spring.

7. The adjustable pressing mechanism of claim 1, wherein the limiting member comprises a shaft barrel and a shaft seat circumferentially disposed on an outer edge of the shaft barrel, the shaft barrel is embedded in the fixing seat, and the shaft seat abuts against a side of the fixing seat away from the positioning assembly.

8. The adjustable pressing mechanism according to claim 1, wherein the positioning assembly comprises a first positioning block, the push rod is arranged opposite to the first positioning block, and the first positioning block and the movable pressing head are clamped on the edge of the to-be-detected member together.

9. The adjustable pressing mechanism according to claim 1 or 8, wherein the positioning assembly further comprises a second positioning block disposed right below the piece to be detected and a pressing member disposed right above the piece to be detected, and the pressing member and the second positioning block are clamped on the front and back surfaces of the piece to be detected together.

10. The adjustable hold down mechanism of claim 1, wherein the push rod has a clearance between the push rod and the movable ram in the axial direction.