CN203804959U - Workpiece position adjusting device - Google Patents

Abstract

The utility model discloses a work piece position control device, this adjusting device include swing bottom plate (2), support (3) and bottom plate location adjustment mechanism, and the swing bottom plate is used for supporting the work piece and the bottom of this swing bottom plate articulates on the support in order to swing around hinge point (A), and bottom plate location adjustment mechanism is used for adjusting the swing bottom plate around the swing position of hinge point and make this swing bottom plate location. Wherein, a workpiece (such as a suspension arm 100) can be stably supported on the swinging bottom plate through the support (1), and on the basis, the swinging position of the swinging bottom plate can be adjusted through the bottom plate positioning adjusting mechanism, so that the reference surface (B) of the workpiece supported on the swinging bottom plate can be conveniently controlled to be vertical to the fixed platform (200). When the installation adjusting process of using the davit, convenient operation, labour saving and time saving, the support of davit is little with the influence each other between the regulation of reference surface moreover, can promote work efficiency greatly.

Description

Workpiece position adjustment device

technical field

The utility model belongs to the technical field of boom manufacture, and in particular relates to a boom position adjustment device in the scribing process of a quasi-elliptical boom.

Background technique

In a truck crane, the boom is the main load-bearing part that affects the performance of the crane. Most of the jibs are quasi-elliptical, and the production of the jib, especially the improvement of the efficiency of the marking process, has become one of the main bottlenecks in the production of the quasi-elliptical jib structural parts.

As shown in Fig. 1, in the scribing process of the quasi-elliptical boom 100, the boom 100 is supported on a fixed platform 200 (that is, the scribing platform in the scribing process) by a plurality of supports 1, and by adjusting the support 1 so that the reference plane B of the boom 100 is perpendicular to the plane of the fixed platform 200, and the boom 100 is stably supported. Specifically, the supporting member 1 in the prior art mostly adopts the form of a support seat (the supporting member 1 on the right side) and a jack (the supporting member 1 on the left side). As shown in FIG. 1 , the boom 100 is supported by two support bases, and the datum plane B is adjusted to be perpendicular to the plane of the fixed platform 200 by a jack. Due to the heavy weight of the boom 100, it is difficult to use a jack to operate, and the support surface of the boom is curved, which is not conducive to stable support. It is necessary to coordinate the vertical reference plane and obtain stable support, resulting in time-consuming and labor-intensive operations. The efficiency of the scribing operation is low.

Utility model content

The purpose of the utility model is to provide a workpiece position adjustment device, which is easy to operate and improves the efficiency of marking operation.

In order to achieve the above object, the utility model provides a workpiece position adjustment device, the adjustment device includes a swing base plate, a bracket and a base plate positioning adjustment mechanism, the swing base plate is used to support the workpiece and the bottom of the swing base plate is hinged to the bracket To be able to swing around the hinge point, the bottom plate positioning adjustment mechanism is used to adjust the swing position of the swing bottom plate around the hinge point and make the swing bottom plate positioned.

Preferably, the adjusting device further includes a plurality of supports, the plurality of supports are arranged on the swing bottom plate to support the workpiece, and the plurality of supports are arranged on both sides of the hinge point.

Preferably, the adjusting device further includes a ball screw mechanism installed on the swing base plate, and the support member is installed on a nut of the ball screw mechanism.

More preferably, the supporting member is a supporting roller.

Preferably, a guide rod is further provided on the swing base plate, the guide rod is parallel to and spaced apart from the screw rod of the ball screw mechanism, and the support member is movably sleeved on the guide rod.

Preferably, the base plate positioning adjustment mechanism includes a swing support rod and a swing rod drive mechanism, one end of the swing support rod is hinged to the swing base plate, and the other end is connected to the swing rod drive mechanism, and the swing rod drive mechanism It is used to drive the swing strut to move and lock the position.

Preferably, the bracket is fixedly installed on a fixed platform, the swing rod driving mechanism includes a screw drive mechanism and a threaded sleeve, the screw drive mechanism is installed on the fixed platform through a screw mounting seat, and the screw drive mechanism The screw rod extends into one end connected to the threaded sleeve, and the other end of the threaded sleeve is hinged to the swing strut.

Preferably, a fixed bottom plate is installed on the fixed platform, and the fixed bottom plate is provided with a linear slide rail and a sliding seat that are slidingly fitted, and the threaded sleeve is installed on the sliding seat.

Preferably, the screw transmission mechanism is a worm gear transmission mechanism.

According to the above technical solution, in the workpiece position adjusting device of the present invention, the boom is supported on the swing base plate through the support member, the swing base plate is hinged on the bracket, and the bracket is then installed on the fixed platform. On the basis of the stable support of the boom, the swing position of the swing bottom plate can be adjusted through the bottom plate positioning adjustment mechanism, so that the reference plane of the boom supported on the swing bottom plate can be conveniently controlled to be perpendicular to the fixed platform. This installation and adjustment process is easy to operate, saves time and effort, and the interaction between the support of the boom and the adjustment of the reference plane is small, which can greatly improve work efficiency.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, together with the following specific embodiments, are used to explain the utility model, but do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the structural representation of the boom marking support device in the prior art when in use;

Fig. 2 is a schematic structural view of the workpiece position adjusting device in use according to a preferred embodiment of the present invention;

Fig. 3 is a D-D sectional view among Fig. 2;

Fig. 4 is a sectional view of the screw mount shown in Fig. 2;

Fig. 5 is a top view of the swing base plate and its installation structure shown in Fig. 2;

Fig. 6 is a state diagram of the workpiece position adjusting device shown in Fig. 2 at the first limit swing position;

Fig. 7 is a state diagram of the workpiece position adjusting device shown in Fig. 2 at the second limit swing position.

Explanation of reference signs

1 Support piece 2 Swing bottom plate

3 bracket 4 guide rod

5 1st ball screw 6 2nd ball screw

7 screw drive mechanism 8 thread sleeve

9 Swing strut 10 Screw mount

11 Sliding seat 12 Fixed bottom plate

21 Longitudinal support

100 boom 200 fixed platform

A hinge point B reference plane

C linear slide

Detailed ways

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

In the present utility model, in the case of no contrary description, the used orientation words such as "up, down, left and right" usually refer to the up, down, left and right shown in the accompanying drawings; "Refers to the inside and outside of the outline of each part itself.

As shown in Figure 2, the utility model provides a workpiece position adjustment device, the adjustment device includes a swing base plate 2, a bracket 3 and a base plate positioning adjustment mechanism, the swing base plate 2 is used to support the workpiece and the bottom of the swing base plate 2 is hinged on The bracket 3 can swing around the hinge point A, and the bottom plate positioning adjustment mechanism is used to adjust the swing position of the swing bottom plate 2 around the hinge point A and make the swing bottom plate 2 position. As a general design concept, in this utility model, the workpiece (such as the boom 100 in this embodiment) is stably supported on the swing base 2 through the support 1, and the swing base 2 can be hinged to the fixed platform 200 (such as this embodiment) The scribing platform in the center) on the bracket 3, so as to be able to swing around the bracket 3, so as to conveniently adjust the reference plane B to be perpendicular to the fixed platform 200 and position it through the bottom plate positioning adjustment mechanism. In this process, the boom 100 is first stably supported, and then the datum plane B of the boom is adjusted to be vertical and positioned. The interaction between the support of the boom and the adjustment of the datum plane is small, and there is no need for the structure shown in Figure 1. Coordinate and take care of jacks and supports. Moreover, considering that the large weight and shape of the boom are not conducive to support, it is obviously more time-saving and labor-saving than operating the jack to adjust the reference plane B by controlling the swing angle of the swing bottom plate 2, thereby greatly improving the operating efficiency of the marking process of the boom . It should be noted that, in this embodiment, only the boom marking process is taken as an example for illustration, but the present invention is not limited thereto. The workpiece can be any other workpiece except the boom. Correspondingly, the fixed platform is also limited to the marking platform, and can be other platform foundations. Moreover, the workpiece position adjustment device can be used to position the workpiece at any position, not limited to making a certain reference plane of the workpiece perpendicular to the fixed platform.

Wherein, the supporting member 1 is used to align the elliptical boom 100 for supporting. Optionally, the supporting member 1 may be a supporting seat, a jack, etc. as shown in FIG. 1 . In this embodiment, the supporting member 1 is preferably in the form of supporting rollers as shown in FIG. 2 , so as to support and even clamp the quasi-elliptical boom 100 whose supporting surface is in the form of a curved surface. Further, the supporting member 1 is preferably multiple and arranged on both sides of the hinge point A, so that the boom 100 can also be firmly supported when swinging about the hinge point A left and right. The supports 1 on both sides of the hinge point can be support rollers as shown in the figure, or one side can use support rollers, and the other side can use other supports such as support seats. As shown in FIG. 2 and FIG. 5, when a plurality of support members 1 are arranged at intervals along the transverse direction of the swing base plate 2, more preferably, a plurality of longitudinal support portions 21 arranged at intervals along the longitudinal direction may also be formed on the swing base plate 2, so as to Make the support more reliable. It should be noted that, in the description here and below, “transverse direction” refers to the transverse direction of the paper, corresponding to FIG. 2 , that is, the width direction of the cross section of the boom 100 and the swing base 2 . Correspondingly, "longitudinal" refers to the lengthwise direction of the boom 100 .

In this embodiment, in order to facilitate the adjustment of the support position of each support member 1, so that the support to the boom 100 is more reasonable and reliable, see Fig. 2 and Fig. For the screw mechanism, the support member 1 is installed on the nut of the ball screw mechanism. In this way, it is convenient to shake the threaded mandrel to push the support member 1 on the nut to move left and right in the figure, supporting and clamping the boom 100 . Further, a guide rod 4 can also be arranged on the swing base plate 2, and the guide rod 4 is arranged parallel to and spaced apart from the screw rod of the ball screw mechanism. The support member 1 may be provided with a through hole, which is sleeved on the guide rod 4 through the through hole so as to be able to move along the axial direction of the guide rod 4 , and the guide rod 4 plays the role of guiding and protecting the support member 1 .

Wherein, the ball screw mechanism preferably includes a first ball screw 5 and a second ball screw 6 arranged on lateral sides of the hinge point A, the first ball screw 5 and the second ball screw 6 Support pieces 1 are respectively installed on the respective nuts. Referring to FIG. 5 , on the left and right sides of the swing base 2 , the handle of the ball screw mechanism is shaken to drive the screw to rotate, thereby causing the supporting rollers to move linearly. The layout structure and installation method of the ball screw mechanism here can conveniently drive and control the support member 1 and adjust its support position. Preferably, the screw rods of the first ball screw 5 and the second ball screw 6 can pass through the central hole of the screw mount 10 with the structure shown in FIG. . In order to facilitate the installation of the ball screw and guide rod 4, as shown in Figure 2, four installation supports can be arranged on the swing base plate 2, and the screw installation seat 10 is installed in it, and the guide rod 4 is connected between the two installation supports. between. The installation bracket in the middle of the swing bottom plate 2 shown in FIG. 5 can also form a longitudinal support portion 21 to strengthen the support.

The above describes the installation structure of the swing base 2 and the support 1 provided thereon, so that the boom 100 can be stably supported. On this basis, it is necessary to adjust the swing position of the swing base plate 2 through the base plate positioning adjustment mechanism so that the reference plane B is perpendicular to the fixed platform 200 . Optionally, jacks can be provided on both sides of the bracket 3 at the bottom of the fixed platform 200 as the bottom plate positioning adjustment mechanism, and the heavy boom 100 can be jacked up by manually operating the jack. In this embodiment, a floor positioning adjustment mechanism as shown in Fig. 2 and Fig. 3 is adopted to facilitate adjustment, control and automatic operation. The base plate positioning adjustment mechanism includes a swing strut 9 and its drive mechanism. One end of the swing strut 9 can be hinged to the swing base 2, and the other end is connected to the swing strut drive mechanism. The swing strut drive mechanism is used to drive the swing strut. 9 Move and lock the positioning. In other words, the swing support rod 9 is driven to move and locked for positioning by the swing rod driving mechanism, thereby changing the swing position of the swing base plate 2 relative to the bracket 3 and making the swing base plate 2 be positioned under the swing position. It can be understood that the swing rod driving mechanism may be the above-mentioned threaded screw mechanism with locking function or other oil cylinders, air cylinders and the like. In this embodiment, as shown in FIG. 2, the swing rod driving mechanism is preferably a screw transmission mechanism 7 and includes a threaded sleeve 8 as an intermediate transition piece. The screw transmission mechanism 7 can also be installed through the screw mounting seat 10 shown in FIG. 4 On the fixed platform 200 , the screw rod of the screw drive mechanism 7 is screwed into the threaded sleeve 8 , one end of the swing strut 9 is hinged to the threaded sleeve 8 , and the other end is hinged to the swinging bottom plate 2 . On the basis of this structure, the screw drive mechanism 7 is manipulated to rotate the screw manually, thereby causing the threaded sleeve 8 to move linearly, pulling the hinged swing strut 9 and the swing bottom plate 2, and adjusting the swing angle and position of the swing bottom plate 2. The threaded connection between the screw rod and the threaded sleeve 8 is preferably a T-shaped thread with self-locking function, etc., so that at the swing position when the reference plane B is vertically fixed to the platform 200, the bottom plate positioning adjustment mechanism can lock the swing bottom plate 2 in this swing position.

Wherein, since the transmission force between the screw rod and the threaded sleeve 8 is relatively large, and the direction of force at both ends of the threaded sleeve 8 is unbalanced, it is preferable to set a holding mechanism at the hinged end between the threaded sleeve 8 and the swinging strut 9 , so that the threaded sleeve 8 keeps moving linearly. For this reason, the fixed base plate 12 is preferably installed on the fixed platform 200, and the linear slide rail C and the slide seat 11 that slide fit are provided on this fixed base plate 12, and the threaded sleeve 8 is installed on the slide base 11, and the slide base 11 is installed on the linear guide rail C. The slide rail C is inseparable in the vertical direction. In this way, the threaded sleeve 8 can be balanced under force and keep moving linearly along the linear slide rail C. Wherein as shown in Figure 2, the fixed base plate 12 is preferably a flat plate, and its width is approximately the same as that of the fixed platform 200. On this side edge portion of 200, the extension section on the other side can be screwed on the edge portion of the fixed platform 200 on this side by passing through fasteners such as bolts, so that the fixed bottom plate 12 is firmly installed on the fixed platform 200 superior.

It should be noted that the above-mentioned screw transmission mechanism 7 may be a manually operated ball screw mechanism, but when the weight of the boom is relatively large and the swing position needs to be precisely adjusted, the screw transmission mechanism 7 in this embodiment preferably adopts The worm gear transmission mechanism and the screw transmission mechanism not only have a large thrust, but also can be controlled by electric control or movement, which is convenient for realizing automation and more precise control. Similarly, the ball screw mechanism provided on the swing bottom plate 2 can also be set as a worm gear transmission mechanism, which is set according to specific working conditions.

Based on the structure of the workpiece position adjustment device described above, it can be seen that when performing the scribing process of the boom 100, the boom 100 is first placed on the swing base 2, and the first ball screw 5 and the second ball screw are shaken. 6. Control the movement of the supporting member 1 so as to support and clamp the boom 100 . Then, the screw can be driven to rotate by the power unit of the screw transmission mechanism 7, and the screw drives the threaded sleeve 8 to make the threaded sleeve 8 move back and forth on the linear slide rail C, and the swing base plate 2 is driven to swing around the hinge point A by the swing strut 9. Therefore, the final swing angle and position of the swing base 2 are adjusted so that the reference plane B is perpendicular to the fixed platform 200 . Wherein, the swing bottom plate 2 can be locked at any swing position between the first limit swing position shown in FIG. 6 and the second limit swing position shown in FIG. 7 .

The preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the specific details of the above-mentioned embodiment, and within the scope of the technical concept of the utility model, the technical solution of the utility model can be carried out in many ways. These simple modifications all belong to the protection scope of the present utility model.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be explained separately.

In addition, any combination of various implementations of the present invention can also be made, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (10)

1. a location of workpiece adjusting device, it is characterized in that, this adjusting device comprises swing base plate (2), support (3) and base plate positioning regulating mechanism, described swing base plate (2) is upper swinging around hinge (A) in described support (3) for the bottom-hinged of supporting workpiece and this swing base plate (2), and described base plate positioning regulating mechanism is used for regulating described swing base plate (2) around the swing position of described hinge (A) and makes this swing base plate (2) location.

2. location of workpiece adjusting device according to claim 1, it is characterized in that, this adjusting device also comprises multiple support members (1), it is upper with supporting workpiece that described multiple support member (1) is arranged on described swing base plate (2), and multiple described support member (1) is arranged in the both sides of described hinge (A).

3. location of workpiece adjusting device according to claim 1, is characterized in that, this adjusting device also comprises the ball wire rod mechanism being arranged on described swing base plate (2), and described support member (1) is arranged on the nut of described ball wire rod mechanism.

4. location of workpiece adjusting device according to claim 3, is characterized in that, described support member (1) is support roller.

5. location of workpiece adjusting device according to claim 3, it is characterized in that, on described swing base plate (2), be also provided with guide rod (4), parallel and the interval of the screw mandrel of this guide rod (4) and described ball wire rod mechanism arranges, and described support member (1) is set on described guide rod (4) movably.

6. location of workpiece adjusting device according to claim 3, it is characterized in that, described ball wire rod mechanism comprises the first ball screw (5) and second ball screw (6) of the both lateral sides that is arranged in described hinge (A), on the nut separately of this first ball screw (5) and the second ball screw (6), is separately installed with described support member (1).

7. according to the location of workpiece adjusting device described in any one in claim 1-6, it is characterized in that, described base plate positioning regulating mechanism comprises swing strut (9) and fork driving mechanism, one end of described swing strut (9) is articulated with described swing base plate (2), the other end is connected with described fork driving mechanism, and described fork driving mechanism is used for driving the mobile also locking of this swing strut (9) location.

8. location of workpiece adjusting device according to claim 7, it is characterized in that, described support (3) is fixedly mounted in fixed platform (200), described fork driving mechanism comprises screw drive mechanism (7) and thread bush (8), described screw drive mechanism (7) is arranged in described fixed platform (200) by screw rod mount pad (10), the screw rod of described screw drive mechanism (7) stretches in the one end that is connected in described thread bush (8), the hinged described swing strut of the other end (9) of described thread bush (8).

9. location of workpiece adjusting device according to claim 8, it is characterized in that, fixed base plate (12) is installed in described fixed platform (200), this fixed base plate (12) is provided with the linear slide rail (C) and the slide (11) that are slidably matched, and described thread bush (8) is arranged on described slide (11).

10. location of workpiece adjusting device according to claim 8, is characterized in that, described screw drive mechanism (7) is Worm and worm-wheel gearing.